| 1 | use anyhow::Result; |
| 2 | use arboard::Clipboard; |
| 3 | use crossterm::event::{self, Event, KeyEvent, MouseEvent}; |
| 4 | use std::path::{Path, PathBuf}; |
| 5 | use std::time::{Duration, Instant}; |
| 6 | |
| 7 | use crate::buffer::Buffer; |
| 8 | use crate::input::{Key, Modifiers, Mouse, Button}; |
| 9 | use crate::lsp::{CompletionItem, Diagnostic, HoverInfo, Location, ServerManagerPanel}; |
| 10 | use crate::render::{PaneBounds as RenderPaneBounds, PaneInfo, Screen, TabInfo}; |
| 11 | use crate::terminal::TerminalPanel; |
| 12 | use crate::workspace::{PaneDirection, Tab, Workspace}; |
| 13 | |
| 14 | use super::{Cursor, Cursors, History, Operation, Position}; |
| 15 | |
| 16 | /// How long to wait after last edit before writing idle backup (seconds) |
| 17 | const BACKUP_IDLE_SECS: u64 = 30; |
| 18 | |
| 19 | /// Which input field is active in find/replace |
| 20 | #[derive(Debug, Clone, Copy, PartialEq)] |
| 21 | enum FindReplaceField { |
| 22 | Find, |
| 23 | Replace, |
| 24 | } |
| 25 | |
| 26 | /// Entry in the fortress file explorer |
| 27 | #[derive(Debug, Clone, PartialEq)] |
| 28 | struct FortressEntry { |
| 29 | /// File/directory name |
| 30 | name: String, |
| 31 | /// Full path |
| 32 | path: PathBuf, |
| 33 | /// Is this a directory? |
| 34 | is_dir: bool, |
| 35 | } |
| 36 | |
| 37 | /// A command in the command palette |
| 38 | #[derive(Debug, Clone, PartialEq)] |
| 39 | struct PaletteCommand { |
| 40 | /// Display name (e.g., "Save File") |
| 41 | name: &'static str, |
| 42 | /// Keyboard shortcut (e.g., "Ctrl+S") |
| 43 | shortcut: &'static str, |
| 44 | /// Category for grouping (e.g., "File", "Edit") |
| 45 | category: &'static str, |
| 46 | /// Unique command identifier |
| 47 | id: &'static str, |
| 48 | /// Fuzzy match score (computed during filtering) |
| 49 | score: i32, |
| 50 | } |
| 51 | |
| 52 | impl PaletteCommand { |
| 53 | const fn new(name: &'static str, shortcut: &'static str, category: &'static str, id: &'static str) -> Self { |
| 54 | Self { name, shortcut, category, id, score: 0 } |
| 55 | } |
| 56 | } |
| 57 | |
| 58 | /// All available commands for the command palette |
| 59 | const ALL_COMMANDS: &[PaletteCommand] = &[ |
| 60 | // File operations |
| 61 | PaletteCommand::new("Save File", "Ctrl+S", "File", "save"), |
| 62 | PaletteCommand::new("Save All", "", "File", "save-all"), |
| 63 | PaletteCommand::new("Open File Browser", "Ctrl+O", "File", "open"), |
| 64 | PaletteCommand::new("New Tab", "Alt+T", "File", "new-tab"), |
| 65 | PaletteCommand::new("Close Tab", "Alt+Q", "File", "close-tab"), |
| 66 | PaletteCommand::new("Next Tab", "Alt+.", "File", "next-tab"), |
| 67 | PaletteCommand::new("Previous Tab", "Alt+,", "File", "prev-tab"), |
| 68 | PaletteCommand::new("Quit", "Ctrl+Q", "File", "quit"), |
| 69 | |
| 70 | // Edit operations |
| 71 | PaletteCommand::new("Undo", "Ctrl+Z", "Edit", "undo"), |
| 72 | PaletteCommand::new("Redo", "Ctrl+]", "Edit", "redo"), |
| 73 | PaletteCommand::new("Cut", "Ctrl+X", "Edit", "cut"), |
| 74 | PaletteCommand::new("Copy", "Ctrl+C", "Edit", "copy"), |
| 75 | PaletteCommand::new("Paste", "Ctrl+V", "Edit", "paste"), |
| 76 | PaletteCommand::new("Select All", "Ctrl+A", "Edit", "select-all"), |
| 77 | PaletteCommand::new("Select Line", "Ctrl+L", "Edit", "select-line"), |
| 78 | PaletteCommand::new("Select Word", "Ctrl+D", "Edit", "select-word"), |
| 79 | PaletteCommand::new("Toggle Line Comment", "Ctrl+/", "Edit", "toggle-comment"), |
| 80 | PaletteCommand::new("Join Lines", "Ctrl+J", "Edit", "join-lines"), |
| 81 | PaletteCommand::new("Duplicate Line", "Alt+Shift+Down", "Edit", "duplicate-line"), |
| 82 | PaletteCommand::new("Move Line Up", "Alt+Up", "Edit", "move-line-up"), |
| 83 | PaletteCommand::new("Move Line Down", "Alt+Down", "Edit", "move-line-down"), |
| 84 | PaletteCommand::new("Delete Line", "", "Edit", "delete-line"), |
| 85 | PaletteCommand::new("Indent", "Tab", "Edit", "indent"), |
| 86 | PaletteCommand::new("Outdent", "Shift+Tab", "Edit", "outdent"), |
| 87 | PaletteCommand::new("Transpose Characters", "Ctrl+T", "Edit", "transpose"), |
| 88 | |
| 89 | // Search operations |
| 90 | PaletteCommand::new("Find", "Ctrl+F", "Search", "find"), |
| 91 | PaletteCommand::new("Find and Replace", "Ctrl+R", "Search", "replace"), |
| 92 | PaletteCommand::new("Find Next", "F3", "Search", "find-next"), |
| 93 | PaletteCommand::new("Find Previous", "Shift+F3", "Search", "find-prev"), |
| 94 | PaletteCommand::new("Search in Files", "F4", "Search", "search-files"), |
| 95 | |
| 96 | // Navigation |
| 97 | PaletteCommand::new("Go to Line", "Ctrl+G", "Navigation", "goto-line"), |
| 98 | PaletteCommand::new("Go to Beginning of File", "Ctrl+Home", "Navigation", "goto-start"), |
| 99 | PaletteCommand::new("Go to End of File", "Ctrl+End", "Navigation", "goto-end"), |
| 100 | PaletteCommand::new("Go to Matching Bracket", "Ctrl+M", "Navigation", "goto-bracket"), |
| 101 | PaletteCommand::new("Page Up", "PageUp", "Navigation", "page-up"), |
| 102 | PaletteCommand::new("Page Down", "PageDown", "Navigation", "page-down"), |
| 103 | |
| 104 | // Selection |
| 105 | PaletteCommand::new("Expand Selection to Brackets", "", "Selection", "select-brackets"), |
| 106 | PaletteCommand::new("Add Cursor Above", "Ctrl+Alt+Up", "Selection", "cursor-above"), |
| 107 | PaletteCommand::new("Add Cursor Below", "Ctrl+Alt+Down", "Selection", "cursor-below"), |
| 108 | |
| 109 | // View / Panes |
| 110 | PaletteCommand::new("Split Pane Vertical", "Alt+V", "View", "split-vertical"), |
| 111 | PaletteCommand::new("Split Pane Horizontal", "Alt+S", "View", "split-horizontal"), |
| 112 | PaletteCommand::new("Close Pane", "Alt+Q", "View", "close-pane"), |
| 113 | PaletteCommand::new("Focus Next Pane", "Alt+N", "View", "next-pane"), |
| 114 | PaletteCommand::new("Focus Previous Pane", "Alt+P", "View", "prev-pane"), |
| 115 | PaletteCommand::new("Toggle File Explorer", "Ctrl+B", "View", "toggle-explorer"), |
| 116 | |
| 117 | // LSP / Code Intelligence |
| 118 | PaletteCommand::new("Go to Definition", "F12", "LSP", "goto-definition"), |
| 119 | PaletteCommand::new("Find References", "Shift+F12", "LSP", "find-references"), |
| 120 | PaletteCommand::new("Rename Symbol", "F2", "LSP", "rename"), |
| 121 | PaletteCommand::new("Show Hover Info", "Ctrl+K Ctrl+I", "LSP", "hover"), |
| 122 | PaletteCommand::new("Trigger Completion", "Ctrl+Space", "LSP", "completion"), |
| 123 | PaletteCommand::new("LSP Server Manager", "Alt+M", "LSP", "server-manager"), |
| 124 | |
| 125 | // Bracket/Quote operations |
| 126 | PaletteCommand::new("Jump to Bracket", "Alt+]", "Brackets", "jump-bracket"), |
| 127 | PaletteCommand::new("Cycle Bracket Type", "Alt+[", "Brackets", "cycle-brackets"), |
| 128 | PaletteCommand::new("Remove Surrounding", "Alt+Backspace", "Brackets", "remove-surrounding"), |
| 129 | |
| 130 | // Help |
| 131 | PaletteCommand::new("Command Palette", "Ctrl+P", "Help", "command-palette"), |
| 132 | PaletteCommand::new("Help / Keybindings", "Shift+F1", "Help", "help"), |
| 133 | ]; |
| 134 | |
| 135 | /// A keybinding entry for the help menu |
| 136 | #[derive(Debug, Clone, PartialEq)] |
| 137 | struct HelpKeybind { |
| 138 | /// Keyboard shortcut (e.g., "Ctrl+S") |
| 139 | shortcut: &'static str, |
| 140 | /// Alternative shortcut (shown when "/" is held) |
| 141 | alt_shortcut: &'static str, |
| 142 | /// Description of what the keybind does |
| 143 | description: &'static str, |
| 144 | /// Category for grouping |
| 145 | category: &'static str, |
| 146 | } |
| 147 | |
| 148 | impl HelpKeybind { |
| 149 | const fn new(shortcut: &'static str, description: &'static str, category: &'static str) -> Self { |
| 150 | Self { shortcut, alt_shortcut: "", description, category } |
| 151 | } |
| 152 | |
| 153 | const fn with_alt(shortcut: &'static str, alt_shortcut: &'static str, description: &'static str, category: &'static str) -> Self { |
| 154 | Self { shortcut, alt_shortcut, description, category } |
| 155 | } |
| 156 | } |
| 157 | |
| 158 | /// All keybindings for the help menu - comprehensive list |
| 159 | const ALL_KEYBINDS: &[HelpKeybind] = &[ |
| 160 | // File Operations |
| 161 | HelpKeybind::new("Ctrl+S", "Save file", "File"), |
| 162 | HelpKeybind::new("Ctrl+O", "Open file browser (Fortress)", "File"), |
| 163 | HelpKeybind::new("Ctrl+Q", "Quit editor", "File"), |
| 164 | HelpKeybind::with_alt("Ctrl+B", "F3", "Toggle file explorer", "File"), |
| 165 | |
| 166 | // Tabs |
| 167 | HelpKeybind::new("Alt+T", "New tab", "Tabs"), |
| 168 | HelpKeybind::new("Alt+Q", "Close tab/pane", "Tabs"), |
| 169 | HelpKeybind::new("Alt+.", "Next tab", "Tabs"), |
| 170 | HelpKeybind::new("Alt+,", "Previous tab", "Tabs"), |
| 171 | HelpKeybind::new("Alt+1-9", "Switch to tab 1-9", "Tabs"), |
| 172 | |
| 173 | // Panes |
| 174 | HelpKeybind::new("Alt+V", "Split vertical", "Panes"), |
| 175 | HelpKeybind::new("Alt+S", "Split horizontal", "Panes"), |
| 176 | HelpKeybind::new("Alt+H/J/K/L", "Navigate panes (vim-style)", "Panes"), |
| 177 | HelpKeybind::new("Alt+N", "Next pane", "Panes"), |
| 178 | HelpKeybind::new("Alt+P", "Previous pane", "Panes"), |
| 179 | |
| 180 | // Editing |
| 181 | HelpKeybind::new("Ctrl+Z", "Undo", "Edit"), |
| 182 | HelpKeybind::with_alt("Ctrl+]", "Ctrl+Shift+Z", "Redo", "Edit"), |
| 183 | HelpKeybind::new("Ctrl+C", "Copy", "Edit"), |
| 184 | HelpKeybind::new("Ctrl+X", "Cut", "Edit"), |
| 185 | HelpKeybind::new("Ctrl+V", "Paste", "Edit"), |
| 186 | HelpKeybind::new("Ctrl+J", "Join lines", "Edit"), |
| 187 | HelpKeybind::new("Ctrl+/", "Toggle line comment", "Edit"), |
| 188 | HelpKeybind::new("Ctrl+T", "Transpose characters", "Edit"), |
| 189 | HelpKeybind::new("Tab", "Indent", "Edit"), |
| 190 | HelpKeybind::new("Shift+Tab", "Outdent", "Edit"), |
| 191 | HelpKeybind::new("Backspace", "Delete backward", "Edit"), |
| 192 | HelpKeybind::new("Delete", "Delete forward", "Edit"), |
| 193 | HelpKeybind::new("Ctrl+W", "Delete word backward", "Edit"), |
| 194 | HelpKeybind::new("Alt+D", "Delete word forward", "Edit"), |
| 195 | HelpKeybind::new("Alt+Backspace", "Delete word backward", "Edit"), |
| 196 | HelpKeybind::new("Ctrl+K", "Kill to end of line", "Edit"), |
| 197 | HelpKeybind::new("Ctrl+U", "Kill to start of line", "Edit"), |
| 198 | HelpKeybind::new("Ctrl+Y", "Yank (paste from kill ring)", "Edit"), |
| 199 | HelpKeybind::new("Alt+Y", "Cycle yank stack", "Edit"), |
| 200 | |
| 201 | // Line Operations |
| 202 | HelpKeybind::new("Alt+Up", "Move line up", "Lines"), |
| 203 | HelpKeybind::new("Alt+Down", "Move line down", "Lines"), |
| 204 | HelpKeybind::new("Alt+Shift+Up", "Duplicate line up", "Lines"), |
| 205 | HelpKeybind::new("Alt+Shift+Down", "Duplicate line down", "Lines"), |
| 206 | |
| 207 | // Movement |
| 208 | HelpKeybind::new("Arrow keys", "Move cursor", "Movement"), |
| 209 | HelpKeybind::with_alt("Home", "Ctrl+A", "Go to line start (smart)", "Movement"), |
| 210 | HelpKeybind::with_alt("End", "Ctrl+E", "Go to line end", "Movement"), |
| 211 | HelpKeybind::with_alt("Alt+Left", "Alt+B", "Move word left", "Movement"), |
| 212 | HelpKeybind::with_alt("Alt+Right", "Alt+F", "Move word right", "Movement"), |
| 213 | HelpKeybind::new("PageUp", "Page up", "Movement"), |
| 214 | HelpKeybind::new("PageDown", "Page down", "Movement"), |
| 215 | HelpKeybind::with_alt("Ctrl+G", "F5", "Go to line", "Movement"), |
| 216 | |
| 217 | // Selection |
| 218 | HelpKeybind::new("Shift+Arrow", "Extend selection", "Selection"), |
| 219 | HelpKeybind::new("Ctrl+L", "Select line", "Selection"), |
| 220 | HelpKeybind::new("Ctrl+D", "Select word / next occurrence", "Selection"), |
| 221 | HelpKeybind::new("Escape", "Clear selection / collapse cursors", "Selection"), |
| 222 | HelpKeybind::new("Ctrl+Alt+Up", "Add cursor above", "Selection"), |
| 223 | HelpKeybind::new("Ctrl+Alt+Down", "Add cursor below", "Selection"), |
| 224 | |
| 225 | // Search |
| 226 | HelpKeybind::new("Ctrl+F", "Find", "Search"), |
| 227 | HelpKeybind::new("Ctrl+R", "Find and replace", "Search"), |
| 228 | HelpKeybind::new("F3", "Find next", "Search"), |
| 229 | HelpKeybind::new("Shift+F3", "Find previous", "Search"), |
| 230 | HelpKeybind::new("F4", "Search in files", "Search"), |
| 231 | HelpKeybind::new("Alt+I", "Toggle case sensitivity (in find)", "Search"), |
| 232 | HelpKeybind::new("Alt+X", "Toggle regex mode (in find)", "Search"), |
| 233 | HelpKeybind::new("Alt+Enter", "Replace all (in find)", "Search"), |
| 234 | |
| 235 | // Brackets & Quotes |
| 236 | HelpKeybind::with_alt("Alt+[", "Alt+]", "Jump to matching bracket", "Brackets"), |
| 237 | HelpKeybind::new("Alt+'", "Cycle quote type (\"/'/`)", "Brackets"), |
| 238 | HelpKeybind::new("Alt+\"", "Remove surrounding quotes", "Brackets"), |
| 239 | HelpKeybind::new("Alt+(", "Cycle bracket type (/{/[)", "Brackets"), |
| 240 | HelpKeybind::new("Alt+)", "Remove surrounding brackets", "Brackets"), |
| 241 | |
| 242 | // LSP / Code Intelligence |
| 243 | HelpKeybind::new("F1", "Show hover info", "LSP"), |
| 244 | HelpKeybind::new("F2", "Rename symbol", "LSP"), |
| 245 | HelpKeybind::new("F12", "Go to definition", "LSP"), |
| 246 | HelpKeybind::new("Shift+F12", "Find references", "LSP"), |
| 247 | HelpKeybind::new("Ctrl+N", "Trigger completion", "LSP"), |
| 248 | HelpKeybind::new("Alt+M", "LSP server manager", "LSP"), |
| 249 | |
| 250 | // Help & Commands |
| 251 | HelpKeybind::new("Ctrl+P", "Command palette", "Help"), |
| 252 | HelpKeybind::new("Shift+F1", "Help / keybindings", "Help"), |
| 253 | |
| 254 | // File Explorer (Fortress/Fuss mode) |
| 255 | HelpKeybind::new("Up/Down", "Navigate files", "Explorer"), |
| 256 | HelpKeybind::new("Enter", "Open file/directory", "Explorer"), |
| 257 | HelpKeybind::new("Right", "Expand directory", "Explorer"), |
| 258 | HelpKeybind::new("Left", "Collapse / go to parent", "Explorer"), |
| 259 | HelpKeybind::new("Space", "Toggle selection", "Explorer"), |
| 260 | HelpKeybind::new("a", "Add file", "Explorer"), |
| 261 | HelpKeybind::new("d", "Delete selected", "Explorer"), |
| 262 | HelpKeybind::new("m", "Move/rename selected", "Explorer"), |
| 263 | HelpKeybind::new("p", "Paste", "Explorer"), |
| 264 | HelpKeybind::new("u", "Undo last action", "Explorer"), |
| 265 | HelpKeybind::new("f", "Create folder", "Explorer"), |
| 266 | HelpKeybind::new("t", "Open in new tab", "Explorer"), |
| 267 | HelpKeybind::new("l", "Open in vertical split", "Explorer"), |
| 268 | HelpKeybind::new("Alt+G", "Git status", "Explorer"), |
| 269 | HelpKeybind::new("Alt+.", "Toggle hidden files", "Explorer"), |
| 270 | ]; |
| 271 | |
| 272 | /// Prompt state for quit confirmation |
| 273 | #[derive(Debug, Clone, PartialEq)] |
| 274 | enum PromptState { |
| 275 | /// No prompt active |
| 276 | None, |
| 277 | /// Quit prompt: Save/Discard/Cancel |
| 278 | QuitConfirm, |
| 279 | /// Close buffer prompt: Save/Discard/Cancel |
| 280 | CloseBufferConfirm, |
| 281 | /// Restore prompt: Restore/Discard |
| 282 | RestoreBackup, |
| 283 | /// Text input prompt (label, current input buffer) |
| 284 | TextInput { label: String, buffer: String, action: TextInputAction }, |
| 285 | /// LSP rename modal with original name shown |
| 286 | RenameModal { |
| 287 | original_name: String, |
| 288 | new_name: String, |
| 289 | path: String, |
| 290 | line: u32, |
| 291 | col: u32, |
| 292 | }, |
| 293 | /// LSP references panel |
| 294 | ReferencesPanel { |
| 295 | locations: Vec<Location>, |
| 296 | selected_index: usize, |
| 297 | /// Search query being typed (for filtering) |
| 298 | query: String, |
| 299 | }, |
| 300 | /// Find/Replace dialog in status bar |
| 301 | FindReplace { |
| 302 | /// Search query |
| 303 | find_query: String, |
| 304 | /// Replacement text |
| 305 | replace_text: String, |
| 306 | /// Which field is active |
| 307 | active_field: FindReplaceField, |
| 308 | /// Case insensitive search |
| 309 | case_insensitive: bool, |
| 310 | /// Regex mode |
| 311 | regex_mode: bool, |
| 312 | }, |
| 313 | /// Fortress mode - file explorer modal |
| 314 | Fortress { |
| 315 | /// Current directory being browsed |
| 316 | current_path: PathBuf, |
| 317 | /// Directory entries (directories first, then files) |
| 318 | entries: Vec<FortressEntry>, |
| 319 | /// Currently selected index |
| 320 | selected_index: usize, |
| 321 | /// Filter/search query |
| 322 | filter: String, |
| 323 | /// Scroll offset for long lists |
| 324 | scroll_offset: usize, |
| 325 | }, |
| 326 | /// Multi-file search modal (F4) |
| 327 | FileSearch { |
| 328 | /// Search query |
| 329 | query: String, |
| 330 | /// Search results: (file_path, line_number, line_content) |
| 331 | results: Vec<FileSearchResult>, |
| 332 | /// Currently selected index |
| 333 | selected_index: usize, |
| 334 | /// Scroll offset for long lists |
| 335 | scroll_offset: usize, |
| 336 | /// Whether search is in progress |
| 337 | searching: bool, |
| 338 | }, |
| 339 | /// Command palette (Ctrl+P) |
| 340 | CommandPalette { |
| 341 | /// Search/filter query (with > prefix) |
| 342 | query: String, |
| 343 | /// Filtered commands matching query |
| 344 | filtered: Vec<PaletteCommand>, |
| 345 | /// Currently selected index |
| 346 | selected_index: usize, |
| 347 | /// Scroll offset for long lists |
| 348 | scroll_offset: usize, |
| 349 | }, |
| 350 | /// Help menu (Shift+F1) |
| 351 | HelpMenu { |
| 352 | /// Search/filter query |
| 353 | query: String, |
| 354 | /// Filtered keybinds matching query |
| 355 | filtered: Vec<HelpKeybind>, |
| 356 | /// Currently selected index |
| 357 | selected_index: usize, |
| 358 | /// Scroll offset for long lists |
| 359 | scroll_offset: usize, |
| 360 | /// Show alternative keybindings (toggled with "/") |
| 361 | show_alt: bool, |
| 362 | }, |
| 363 | } |
| 364 | |
| 365 | /// A single result from multi-file search |
| 366 | #[derive(Debug, Clone, PartialEq)] |
| 367 | struct FileSearchResult { |
| 368 | /// Relative path to file |
| 369 | path: PathBuf, |
| 370 | /// Line number (1-indexed for display) |
| 371 | line_num: usize, |
| 372 | /// The matching line content (trimmed) |
| 373 | line_content: String, |
| 374 | } |
| 375 | |
| 376 | /// Action to perform when text input is complete |
| 377 | #[derive(Debug, Clone, PartialEq)] |
| 378 | enum TextInputAction { |
| 379 | /// Commit with the entered message |
| 380 | GitCommit, |
| 381 | /// Create a git tag |
| 382 | GitTag, |
| 383 | /// Go to line (and optionally column) |
| 384 | GotoLine, |
| 385 | } |
| 386 | |
| 387 | /// LSP UI state |
| 388 | #[derive(Debug, Default)] |
| 389 | struct LspState { |
| 390 | /// Current hover information to display |
| 391 | hover: Option<HoverInfo>, |
| 392 | /// Whether hover popup is visible |
| 393 | hover_visible: bool, |
| 394 | /// Original unfiltered completion list from LSP |
| 395 | completions_original: Vec<CompletionItem>, |
| 396 | /// Current filtered completion list |
| 397 | completions: Vec<CompletionItem>, |
| 398 | /// Selected completion index |
| 399 | completion_index: usize, |
| 400 | /// Whether completion popup is visible |
| 401 | completion_visible: bool, |
| 402 | /// Filter text typed while completion is open |
| 403 | completion_filter: String, |
| 404 | /// Cursor column when completion was opened (to track popup position) |
| 405 | completion_start_col: usize, |
| 406 | /// Current diagnostics for the active file |
| 407 | diagnostics: Vec<Diagnostic>, |
| 408 | /// Go-to-definition results (for multi-result navigation) |
| 409 | definition_locations: Vec<Location>, |
| 410 | /// Pending request IDs (to match responses) |
| 411 | pending_hover: Option<i64>, |
| 412 | pending_completion: Option<i64>, |
| 413 | pending_definition: Option<i64>, |
| 414 | pending_references: Option<i64>, |
| 415 | /// Last known buffer hash (to detect changes) |
| 416 | last_buffer_hash: Option<u64>, |
| 417 | /// Last file path that was synced to LSP |
| 418 | last_synced_path: Option<PathBuf>, |
| 419 | } |
| 420 | |
| 421 | /// A search match position |
| 422 | #[derive(Debug, Clone, PartialEq)] |
| 423 | struct SearchMatch { |
| 424 | line: usize, |
| 425 | start_col: usize, |
| 426 | end_col: usize, |
| 427 | } |
| 428 | |
| 429 | /// Search state for find/replace |
| 430 | #[derive(Debug, Default)] |
| 431 | struct SearchState { |
| 432 | /// All matches in the current buffer |
| 433 | matches: Vec<SearchMatch>, |
| 434 | /// Current match index (which one is "active") |
| 435 | current_match: usize, |
| 436 | /// Last search query (to detect changes) |
| 437 | last_query: String, |
| 438 | /// Last search settings |
| 439 | last_case_insensitive: bool, |
| 440 | last_regex: bool, |
| 441 | } |
| 442 | |
| 443 | /// Cached bracket match result |
| 444 | #[derive(Debug, Default)] |
| 445 | struct BracketMatchCache { |
| 446 | /// Cursor position when cache was computed (line, col) |
| 447 | cursor_pos: Option<(usize, usize)>, |
| 448 | /// The cached match result |
| 449 | result: Option<(usize, usize)>, |
| 450 | /// Whether the cache is valid (invalidated on buffer changes) |
| 451 | valid: bool, |
| 452 | } |
| 453 | |
| 454 | /// Main editor state |
| 455 | pub struct Editor { |
| 456 | /// The workspace (owns tabs, panes, fuss mode, and config) |
| 457 | workspace: Workspace, |
| 458 | /// Terminal screen |
| 459 | screen: Screen, |
| 460 | /// Is the editor running? |
| 461 | running: bool, |
| 462 | /// System clipboard (if available) |
| 463 | clipboard: Option<Clipboard>, |
| 464 | /// Fallback internal clipboard if system clipboard unavailable |
| 465 | internal_clipboard: String, |
| 466 | /// Message to display in status bar |
| 467 | message: Option<String>, |
| 468 | /// Escape key timeout in milliseconds (for Alt key detection) |
| 469 | escape_time: u64, |
| 470 | /// Current prompt state |
| 471 | prompt: PromptState, |
| 472 | /// Time of last edit (for idle backup timing), None if no pending backup |
| 473 | last_edit_time: Option<Instant>, |
| 474 | /// LSP-related UI state |
| 475 | lsp_state: LspState, |
| 476 | /// LSP server manager panel |
| 477 | server_manager: ServerManagerPanel, |
| 478 | /// Search state for find/replace |
| 479 | search_state: SearchState, |
| 480 | /// Cached bracket match for rendering |
| 481 | bracket_cache: BracketMatchCache, |
| 482 | /// Yank stack (kill ring) - separate from system clipboard |
| 483 | yank_stack: Vec<String>, |
| 484 | /// Current index in yank stack when cycling with Alt+Y |
| 485 | yank_index: Option<usize>, |
| 486 | /// Length of last yank (for replacing when cycling) |
| 487 | last_yank_len: usize, |
| 488 | /// Integrated terminal panel |
| 489 | terminal: TerminalPanel, |
| 490 | /// Terminal resize: dragging in progress |
| 491 | terminal_resize_dragging: bool, |
| 492 | /// Terminal resize: starting Y position of drag |
| 493 | terminal_resize_start_y: u16, |
| 494 | /// Terminal resize: starting height when drag began |
| 495 | terminal_resize_start_height: u16, |
| 496 | } |
| 497 | |
| 498 | impl Editor { |
| 499 | pub fn new() -> Result<Self> { |
| 500 | // Default workspace is current directory |
| 501 | let workspace_root = std::env::current_dir().unwrap_or_else(|_| PathBuf::from(".")); |
| 502 | Self::new_with_workspace(workspace_root) |
| 503 | } |
| 504 | |
| 505 | pub fn new_with_workspace(workspace_root: PathBuf) -> Result<Self> { |
| 506 | let mut screen = Screen::new()?; |
| 507 | screen.enter_raw_mode()?; |
| 508 | Self::new_with_screen_and_workspace(screen, workspace_root) |
| 509 | } |
| 510 | |
| 511 | pub fn new_with_screen_and_workspace(screen: Screen, workspace_root: PathBuf) -> Result<Self> { |
| 512 | // Read escape timeout from environment, default to 5ms |
| 513 | // Similar to vim's ttimeoutlen or tmux's escape-time |
| 514 | let escape_time = std::env::var("FAC_ESCAPE_TIME") |
| 515 | .ok() |
| 516 | .and_then(|s| s.parse().ok()) |
| 517 | .unwrap_or(5); |
| 518 | |
| 519 | // Try to initialize system clipboard, fall back to internal if unavailable |
| 520 | let clipboard = Clipboard::new().ok(); |
| 521 | |
| 522 | let workspace = Workspace::open(workspace_root)?; |
| 523 | |
| 524 | // Check if there are backups to restore |
| 525 | let has_backups = workspace.has_backups(); |
| 526 | |
| 527 | // Create terminal panel with screen dimensions |
| 528 | let terminal = TerminalPanel::new(screen.cols, screen.rows); |
| 529 | |
| 530 | let mut editor = Self { |
| 531 | workspace, |
| 532 | screen, |
| 533 | running: true, |
| 534 | clipboard, |
| 535 | internal_clipboard: String::new(), |
| 536 | message: None, |
| 537 | escape_time, |
| 538 | prompt: PromptState::None, |
| 539 | last_edit_time: None, // No pending backup initially |
| 540 | lsp_state: LspState::default(), |
| 541 | server_manager: ServerManagerPanel::new(), |
| 542 | search_state: SearchState::default(), |
| 543 | bracket_cache: BracketMatchCache::default(), |
| 544 | yank_stack: Vec::with_capacity(32), |
| 545 | yank_index: None, |
| 546 | last_yank_len: 0, |
| 547 | terminal, |
| 548 | terminal_resize_dragging: false, |
| 549 | terminal_resize_start_y: 0, |
| 550 | terminal_resize_start_height: 0, |
| 551 | }; |
| 552 | |
| 553 | // If there are backups, show restore prompt |
| 554 | if has_backups { |
| 555 | editor.prompt = PromptState::RestoreBackup; |
| 556 | editor.message = Some("Recovered unsaved changes. [R]estore / [D]iscard / [Esc]".to_string()); |
| 557 | } |
| 558 | |
| 559 | Ok(editor) |
| 560 | } |
| 561 | |
| 562 | pub fn open(&mut self, path: &str) -> Result<()> { |
| 563 | let file_path = PathBuf::from(path); |
| 564 | |
| 565 | // If this is the initial open (empty default tab), use workspace detection |
| 566 | let is_initial = self.workspace.tabs.len() == 1 |
| 567 | && !self.workspace.tabs[0].is_modified() |
| 568 | && self.workspace.tabs[0].path().is_none(); |
| 569 | |
| 570 | if is_initial { |
| 571 | // Replace workspace with one detected from the file path |
| 572 | // This finds existing .fackr/ in parent dirs or uses file's parent |
| 573 | self.workspace = Workspace::open_with_file(&file_path)?; |
| 574 | } else { |
| 575 | // Just open the file in the current workspace |
| 576 | self.workspace.open_file(&file_path)?; |
| 577 | } |
| 578 | |
| 579 | Ok(()) |
| 580 | } |
| 581 | |
| 582 | // ============================================================ |
| 583 | // ACCESSOR METHODS - These provide access to current tab/pane/buffer |
| 584 | // ============================================================ |
| 585 | |
| 586 | /// Get the workspace root path |
| 587 | pub fn workspace_root(&self) -> PathBuf { |
| 588 | self.workspace.root.clone() |
| 589 | } |
| 590 | |
| 591 | /// Get the current tab mutably |
| 592 | #[inline] |
| 593 | fn tab_mut(&mut self) -> &mut Tab { |
| 594 | self.workspace.active_tab_mut() |
| 595 | } |
| 596 | |
| 597 | /// Get current buffer (read-only) |
| 598 | #[inline] |
| 599 | fn buffer(&self) -> &Buffer { |
| 600 | let tab = self.workspace.active_tab(); |
| 601 | let pane = &tab.panes[tab.active_pane]; |
| 602 | &tab.buffers[pane.buffer_idx].buffer |
| 603 | } |
| 604 | |
| 605 | /// Get current buffer (mutable) |
| 606 | #[inline] |
| 607 | fn buffer_mut(&mut self) -> &mut Buffer { |
| 608 | let tab = self.workspace.active_tab_mut(); |
| 609 | let pane_idx = tab.active_pane; |
| 610 | let buffer_idx = tab.panes[pane_idx].buffer_idx; |
| 611 | &mut tab.buffers[buffer_idx].buffer |
| 612 | } |
| 613 | |
| 614 | /// Invalidate syntax highlight cache from a given line onward. |
| 615 | /// Call this when buffer content changes at or after the specified line. |
| 616 | #[inline] |
| 617 | fn invalidate_highlight_cache(&mut self, from_line: usize) { |
| 618 | let tab = self.workspace.active_tab_mut(); |
| 619 | let pane_idx = tab.active_pane; |
| 620 | let buffer_idx = tab.panes[pane_idx].buffer_idx; |
| 621 | tab.buffers[buffer_idx].highlighter.invalidate_cache(from_line); |
| 622 | } |
| 623 | |
| 624 | /// Invalidate the bracket match cache (call on buffer changes) |
| 625 | #[inline] |
| 626 | fn invalidate_bracket_cache(&mut self) { |
| 627 | self.bracket_cache.valid = false; |
| 628 | } |
| 629 | |
| 630 | /// Get cached bracket match for current cursor position. |
| 631 | /// Computes and caches the result if needed. |
| 632 | fn get_bracket_match(&mut self) -> Option<(usize, usize)> { |
| 633 | let cursor = self.cursor(); |
| 634 | let cursor_pos = (cursor.line, cursor.col); |
| 635 | |
| 636 | // Check if cache is valid and for the same position |
| 637 | if self.bracket_cache.valid { |
| 638 | if let Some(cached_pos) = self.bracket_cache.cursor_pos { |
| 639 | if cached_pos == cursor_pos { |
| 640 | return self.bracket_cache.result; |
| 641 | } |
| 642 | } |
| 643 | } |
| 644 | |
| 645 | // Cache miss - compute the bracket match |
| 646 | let result = self.buffer().find_matching_bracket(cursor_pos.0, cursor_pos.1); |
| 647 | |
| 648 | // Update cache |
| 649 | self.bracket_cache.cursor_pos = Some(cursor_pos); |
| 650 | self.bracket_cache.result = result; |
| 651 | self.bracket_cache.valid = true; |
| 652 | |
| 653 | result |
| 654 | } |
| 655 | |
| 656 | /// Get current cursors (read-only) |
| 657 | #[inline] |
| 658 | fn cursors(&self) -> &Cursors { |
| 659 | let tab = self.workspace.active_tab(); |
| 660 | &tab.panes[tab.active_pane].cursors |
| 661 | } |
| 662 | |
| 663 | /// Get current cursors (mutable) |
| 664 | #[inline] |
| 665 | fn cursors_mut(&mut self) -> &mut Cursors { |
| 666 | let tab = self.workspace.active_tab_mut(); |
| 667 | let pane_idx = tab.active_pane; |
| 668 | &mut tab.panes[pane_idx].cursors |
| 669 | } |
| 670 | |
| 671 | /// Get current history (mutable) |
| 672 | #[inline] |
| 673 | fn history_mut(&mut self) -> &mut History { |
| 674 | let tab = self.workspace.active_tab_mut(); |
| 675 | let pane_idx = tab.active_pane; |
| 676 | let buffer_idx = tab.panes[pane_idx].buffer_idx; |
| 677 | &mut tab.buffers[buffer_idx].history |
| 678 | } |
| 679 | |
| 680 | /// Get current buffer entry (immutable) |
| 681 | #[inline] |
| 682 | fn buffer_entry(&self) -> &crate::workspace::BufferEntry { |
| 683 | let tab = self.workspace.active_tab(); |
| 684 | let pane_idx = tab.active_pane; |
| 685 | let buffer_idx = tab.panes[pane_idx].buffer_idx; |
| 686 | &tab.buffers[buffer_idx] |
| 687 | } |
| 688 | |
| 689 | /// Get current buffer entry (mutable) |
| 690 | #[inline] |
| 691 | fn buffer_entry_mut(&mut self) -> &mut crate::workspace::BufferEntry { |
| 692 | let tab = self.workspace.active_tab_mut(); |
| 693 | let pane_idx = tab.active_pane; |
| 694 | let buffer_idx = tab.panes[pane_idx].buffer_idx; |
| 695 | &mut tab.buffers[buffer_idx] |
| 696 | } |
| 697 | |
| 698 | /// Get current viewport line |
| 699 | #[inline] |
| 700 | fn viewport_line(&self) -> usize { |
| 701 | let tab = self.workspace.active_tab(); |
| 702 | tab.panes[tab.active_pane].viewport_line |
| 703 | } |
| 704 | |
| 705 | /// Set current viewport line |
| 706 | #[inline] |
| 707 | fn set_viewport_line(&mut self, line: usize) { |
| 708 | let tab = self.workspace.active_tab_mut(); |
| 709 | let pane_idx = tab.active_pane; |
| 710 | tab.panes[pane_idx].viewport_line = line; |
| 711 | } |
| 712 | |
| 713 | /// Get current viewport column (horizontal scroll offset) |
| 714 | #[inline] |
| 715 | fn viewport_col(&self) -> usize { |
| 716 | let tab = self.workspace.active_tab(); |
| 717 | tab.panes[tab.active_pane].viewport_col |
| 718 | } |
| 719 | |
| 720 | /// Set current viewport column (horizontal scroll offset) |
| 721 | #[inline] |
| 722 | fn set_viewport_col(&mut self, col: usize) { |
| 723 | let tab = self.workspace.active_tab_mut(); |
| 724 | let pane_idx = tab.active_pane; |
| 725 | tab.panes[pane_idx].viewport_col = col; |
| 726 | } |
| 727 | |
| 728 | /// Get current filename |
| 729 | #[inline] |
| 730 | fn filename(&self) -> Option<PathBuf> { |
| 731 | let tab = self.workspace.active_tab(); |
| 732 | let pane = &tab.panes[tab.active_pane]; |
| 733 | tab.buffers[pane.buffer_idx].path.clone() |
| 734 | } |
| 735 | |
| 736 | pub fn run(&mut self) -> Result<()> { |
| 737 | // Initial render |
| 738 | self.screen.refresh_size()?; |
| 739 | self.render()?; |
| 740 | |
| 741 | while self.running { |
| 742 | // Track whether we need to re-render |
| 743 | let mut needs_render = false; |
| 744 | |
| 745 | // Poll with a short timeout to allow LSP processing |
| 746 | // This balances responsiveness with CPU usage |
| 747 | if event::poll(Duration::from_millis(50))? { |
| 748 | match event::read()? { |
| 749 | Event::Key(key_event) => self.process_key(key_event)?, |
| 750 | Event::Mouse(mouse_event) => self.process_mouse(mouse_event)?, |
| 751 | Event::Resize(cols, rows) => { |
| 752 | self.screen.cols = cols; |
| 753 | self.screen.rows = rows; |
| 754 | self.terminal.update_screen_size(cols, rows); |
| 755 | } |
| 756 | _ => {} |
| 757 | } |
| 758 | needs_render = true; |
| 759 | |
| 760 | // Process any additional queued events before rendering |
| 761 | while event::poll(Duration::from_millis(0))? { |
| 762 | match event::read()? { |
| 763 | Event::Key(key_event) => self.process_key(key_event)?, |
| 764 | Event::Mouse(mouse_event) => self.process_mouse(mouse_event)?, |
| 765 | Event::Resize(cols, rows) => { |
| 766 | self.screen.cols = cols; |
| 767 | self.screen.rows = rows; |
| 768 | self.terminal.update_screen_size(cols, rows); |
| 769 | } |
| 770 | _ => {} |
| 771 | } |
| 772 | } |
| 773 | } |
| 774 | |
| 775 | // Poll terminal for output (only render if data received) |
| 776 | if self.terminal.visible && self.terminal.poll() { |
| 777 | needs_render = true; |
| 778 | } |
| 779 | |
| 780 | // Process LSP messages from language servers |
| 781 | if self.process_lsp_messages() { |
| 782 | needs_render = true; |
| 783 | } |
| 784 | |
| 785 | // Poll for completed server installations |
| 786 | if self.server_manager.poll_installs() { |
| 787 | needs_render = true; |
| 788 | } |
| 789 | |
| 790 | // Check if it's time for idle backup |
| 791 | self.maybe_idle_backup(); |
| 792 | |
| 793 | // Only render if something changed |
| 794 | if needs_render { |
| 795 | self.screen.refresh_size()?; |
| 796 | self.render()?; |
| 797 | } |
| 798 | } |
| 799 | |
| 800 | self.screen.leave_raw_mode()?; |
| 801 | Ok(()) |
| 802 | } |
| 803 | |
| 804 | /// Write idle backups if enough time has passed since last edit |
| 805 | fn maybe_idle_backup(&mut self) { |
| 806 | if let Some(last_edit) = self.last_edit_time { |
| 807 | if last_edit.elapsed() >= Duration::from_secs(BACKUP_IDLE_SECS) { |
| 808 | if self.workspace.has_unsaved_changes() { |
| 809 | let _ = self.workspace.backup_all_modified(); |
| 810 | // Mark all modified buffers as backed up |
| 811 | for tab in &mut self.workspace.tabs { |
| 812 | for buffer_entry in &mut tab.buffers { |
| 813 | if buffer_entry.is_modified() { |
| 814 | buffer_entry.backed_up = true; |
| 815 | } |
| 816 | } |
| 817 | } |
| 818 | } |
| 819 | self.last_edit_time = None; // Reset until next edit |
| 820 | } |
| 821 | } |
| 822 | } |
| 823 | |
| 824 | /// Called after key handling - triggers backup if buffer was modified |
| 825 | fn on_buffer_edit(&mut self) { |
| 826 | // Check buffer state |
| 827 | let (is_modified, needs_first_backup) = { |
| 828 | let buffer_entry = self.buffer_entry_mut(); |
| 829 | (buffer_entry.is_modified(), !buffer_entry.backed_up && buffer_entry.is_modified()) |
| 830 | }; |
| 831 | |
| 832 | // Update edit time if buffer has unsaved changes (for idle backup) |
| 833 | if is_modified { |
| 834 | self.last_edit_time = Some(Instant::now()); |
| 835 | } |
| 836 | |
| 837 | // First edit since save/load - backup immediately |
| 838 | if needs_first_backup { |
| 839 | let backup_info: Option<(PathBuf, String)> = { |
| 840 | let buffer_entry = self.buffer_entry(); |
| 841 | buffer_entry.path.as_ref().map(|path| { |
| 842 | let full_path = if buffer_entry.is_orphan { |
| 843 | path.clone() |
| 844 | } else { |
| 845 | self.workspace.root.join(path) |
| 846 | }; |
| 847 | let content = buffer_entry.buffer.contents(); |
| 848 | (full_path, content) |
| 849 | }) |
| 850 | }; |
| 851 | |
| 852 | if let Some((full_path, content)) = backup_info { |
| 853 | let _ = self.workspace.write_backup(&full_path, &content); |
| 854 | self.buffer_entry_mut().backed_up = true; |
| 855 | } |
| 856 | } |
| 857 | } |
| 858 | |
| 859 | /// Process LSP messages. Returns true if any messages were processed. |
| 860 | fn process_lsp_messages(&mut self) -> bool { |
| 861 | use crate::lsp::LspResponse; |
| 862 | |
| 863 | // Process pending messages from language servers |
| 864 | self.workspace.lsp.process_messages(); |
| 865 | |
| 866 | let mut had_response = false; |
| 867 | |
| 868 | // Handle any responses that came in |
| 869 | while let Some(response) = self.workspace.lsp.poll_response() { |
| 870 | had_response = true; |
| 871 | match response { |
| 872 | LspResponse::Completions(id, items) => { |
| 873 | if self.lsp_state.pending_completion == Some(id) { |
| 874 | self.lsp_state.completions_original = items.clone(); |
| 875 | self.lsp_state.completions = items; |
| 876 | self.lsp_state.completion_index = 0; |
| 877 | self.lsp_state.completion_visible = !self.lsp_state.completions.is_empty(); |
| 878 | self.lsp_state.completion_filter.clear(); |
| 879 | self.lsp_state.completion_start_col = self.cursor().col; |
| 880 | self.lsp_state.pending_completion = None; |
| 881 | } |
| 882 | } |
| 883 | LspResponse::Hover(id, info) => { |
| 884 | if self.lsp_state.pending_hover == Some(id) { |
| 885 | self.lsp_state.hover = info; |
| 886 | self.lsp_state.hover_visible = self.lsp_state.hover.is_some(); |
| 887 | self.lsp_state.pending_hover = None; |
| 888 | if self.lsp_state.hover.is_none() { |
| 889 | self.message = Some("No hover info available".to_string()); |
| 890 | } |
| 891 | } |
| 892 | } |
| 893 | LspResponse::Definition(id, locations) => { |
| 894 | if self.lsp_state.pending_definition == Some(id) { |
| 895 | self.lsp_state.definition_locations = locations.clone(); |
| 896 | self.lsp_state.pending_definition = None; |
| 897 | // Jump to first definition |
| 898 | if let Some(loc) = locations.first() { |
| 899 | self.goto_location(loc); |
| 900 | } else { |
| 901 | self.message = Some("No definition found".to_string()); |
| 902 | } |
| 903 | } |
| 904 | } |
| 905 | LspResponse::References(id, locations) => { |
| 906 | if self.lsp_state.pending_references == Some(id) { |
| 907 | self.lsp_state.pending_references = None; |
| 908 | if locations.is_empty() { |
| 909 | self.message = Some("No references found".to_string()); |
| 910 | } else if locations.len() == 1 { |
| 911 | // Single reference - just go there |
| 912 | self.goto_location(&locations[0]); |
| 913 | } else { |
| 914 | // Multiple references - show the references panel |
| 915 | self.prompt = PromptState::ReferencesPanel { |
| 916 | locations, |
| 917 | selected_index: 0, |
| 918 | query: String::new(), |
| 919 | }; |
| 920 | self.message = None; |
| 921 | } |
| 922 | } |
| 923 | } |
| 924 | LspResponse::Symbols(id, symbols) => { |
| 925 | // TODO: Show symbols panel |
| 926 | let _ = (id, symbols); |
| 927 | } |
| 928 | LspResponse::Formatting(id, edits) => { |
| 929 | // Apply formatting edits |
| 930 | let _ = (id, edits); |
| 931 | // TODO: Apply text edits to buffer |
| 932 | } |
| 933 | LspResponse::Rename(_id, workspace_edit) => { |
| 934 | // Apply rename edits across all affected files |
| 935 | let mut total_edits = 0; |
| 936 | let mut files_changed = 0; |
| 937 | |
| 938 | for (uri, edits) in &workspace_edit.changes { |
| 939 | if let Some(path_str) = crate::lsp::uri_to_path(uri) { |
| 940 | // Check if we have this file open |
| 941 | let path = std::path::PathBuf::from(&path_str); |
| 942 | if let Some(tab_idx) = self.workspace.find_tab_by_path(&path) { |
| 943 | // Apply edits to the open buffer (in reverse order to preserve positions) |
| 944 | let mut sorted_edits = edits.clone(); |
| 945 | sorted_edits.sort_by(|a, b| { |
| 946 | // Sort by start position, descending |
| 947 | b.range.start.line.cmp(&a.range.start.line) |
| 948 | .then(b.range.start.character.cmp(&a.range.start.character)) |
| 949 | }); |
| 950 | |
| 951 | for edit in sorted_edits { |
| 952 | self.workspace.apply_text_edit(tab_idx, &edit); |
| 953 | total_edits += 1; |
| 954 | } |
| 955 | files_changed += 1; |
| 956 | } else { |
| 957 | // File not open - would need to open, edit, and save |
| 958 | self.message = Some(format!("Note: {} not open, skipped", path_str)); |
| 959 | } |
| 960 | } |
| 961 | } |
| 962 | |
| 963 | if total_edits > 0 { |
| 964 | self.message = Some(format!("Renamed: {} edits in {} file(s)", total_edits, files_changed)); |
| 965 | } else { |
| 966 | self.message = Some("No rename edits to apply".to_string()); |
| 967 | } |
| 968 | } |
| 969 | LspResponse::CodeActions(id, actions) => { |
| 970 | // TODO: Show code actions menu |
| 971 | let _ = (id, actions); |
| 972 | } |
| 973 | LspResponse::Error(id, message) => { |
| 974 | // Clear any pending state for this request |
| 975 | if self.lsp_state.pending_completion == Some(id) { |
| 976 | self.lsp_state.pending_completion = None; |
| 977 | } |
| 978 | if self.lsp_state.pending_hover == Some(id) { |
| 979 | self.lsp_state.pending_hover = None; |
| 980 | } |
| 981 | if self.lsp_state.pending_definition == Some(id) { |
| 982 | self.lsp_state.pending_definition = None; |
| 983 | } |
| 984 | if self.lsp_state.pending_references == Some(id) { |
| 985 | self.lsp_state.pending_references = None; |
| 986 | } |
| 987 | // Optionally show error |
| 988 | if !message.is_empty() { |
| 989 | self.message = Some(format!("LSP: {}", message)); |
| 990 | } |
| 991 | } |
| 992 | } |
| 993 | } |
| 994 | |
| 995 | // Update diagnostics for current file (need full path to match LSP URIs) |
| 996 | if let Some(path) = self.current_file_path() { |
| 997 | let path_str = path.to_string_lossy(); |
| 998 | self.lsp_state.diagnostics = self.workspace.lsp.get_diagnostics(&path_str); |
| 999 | } |
| 1000 | |
| 1001 | // Sync document changes to LSP if buffer has changed |
| 1002 | self.sync_document_to_lsp(); |
| 1003 | |
| 1004 | had_response |
| 1005 | } |
| 1006 | |
| 1007 | /// Sync document changes to LSP server |
| 1008 | fn sync_document_to_lsp(&mut self) { |
| 1009 | let current_path = self.filename(); |
| 1010 | let current_hash = self.buffer_mut().content_hash(); |
| 1011 | |
| 1012 | // Check if we switched files |
| 1013 | let file_changed = current_path != self.lsp_state.last_synced_path; |
| 1014 | |
| 1015 | // Check if buffer content changed |
| 1016 | let content_changed = self.lsp_state.last_buffer_hash != Some(current_hash); |
| 1017 | |
| 1018 | if file_changed { |
| 1019 | // Close the old document if we had one open |
| 1020 | if let Some(ref old_path) = self.lsp_state.last_synced_path { |
| 1021 | let old_path_str = old_path.to_string_lossy(); |
| 1022 | let _ = self.workspace.lsp.close_document(&old_path_str); |
| 1023 | } |
| 1024 | |
| 1025 | // Open the new document |
| 1026 | if let Some(ref path) = current_path { |
| 1027 | let tab = self.workspace.active_tab(); |
| 1028 | let pane = &tab.panes[tab.active_pane]; |
| 1029 | let buffer_entry = &tab.buffers[pane.buffer_idx]; |
| 1030 | |
| 1031 | let full_path = if buffer_entry.is_orphan { |
| 1032 | path.clone() |
| 1033 | } else { |
| 1034 | self.workspace.root.join(path) |
| 1035 | }; |
| 1036 | let path_str = full_path.to_string_lossy(); |
| 1037 | let content = self.buffer().contents(); |
| 1038 | let _ = self.workspace.lsp.open_document(&path_str, &content); |
| 1039 | } |
| 1040 | |
| 1041 | self.lsp_state.last_synced_path = current_path; |
| 1042 | self.lsp_state.last_buffer_hash = Some(current_hash); |
| 1043 | } else if content_changed { |
| 1044 | // Content changed - send didChange notification |
| 1045 | if let Some(ref path) = current_path { |
| 1046 | let tab = self.workspace.active_tab(); |
| 1047 | let pane = &tab.panes[tab.active_pane]; |
| 1048 | let buffer_entry = &tab.buffers[pane.buffer_idx]; |
| 1049 | |
| 1050 | let full_path = if buffer_entry.is_orphan { |
| 1051 | path.clone() |
| 1052 | } else { |
| 1053 | self.workspace.root.join(path) |
| 1054 | }; |
| 1055 | let path_str = full_path.to_string_lossy(); |
| 1056 | let content = self.buffer().contents(); |
| 1057 | let _ = self.workspace.lsp.document_changed(&path_str, &content); |
| 1058 | } |
| 1059 | |
| 1060 | self.lsp_state.last_buffer_hash = Some(current_hash); |
| 1061 | } |
| 1062 | } |
| 1063 | |
| 1064 | /// Navigate to an LSP location |
| 1065 | fn goto_location(&mut self, location: &Location) { |
| 1066 | use crate::lsp::uri_to_path; |
| 1067 | |
| 1068 | if let Some(path) = uri_to_path(&location.uri) { |
| 1069 | let path_buf = PathBuf::from(&path); |
| 1070 | // Open the file if not already open |
| 1071 | if let Err(e) = self.workspace.open_file(&path_buf) { |
| 1072 | self.message = Some(format!("Failed to open {}: {}", path, e)); |
| 1073 | return; |
| 1074 | } |
| 1075 | |
| 1076 | // Move cursor to the location |
| 1077 | let line = location.range.start.line as usize; |
| 1078 | let col = location.range.start.character as usize; |
| 1079 | |
| 1080 | self.cursors_mut().collapse_to_primary(); |
| 1081 | self.cursor_mut().line = line.min(self.buffer().line_count().saturating_sub(1)); |
| 1082 | self.cursor_mut().col = col.min(self.buffer().line_len(self.cursor().line)); |
| 1083 | self.cursor_mut().desired_col = self.cursor().col; |
| 1084 | self.cursor_mut().clear_selection(); |
| 1085 | self.scroll_to_cursor(); |
| 1086 | } |
| 1087 | } |
| 1088 | |
| 1089 | /// Get the full path to the current file |
| 1090 | fn current_file_path(&self) -> Option<PathBuf> { |
| 1091 | let tab = self.workspace.active_tab(); |
| 1092 | let pane = &tab.panes[tab.active_pane]; |
| 1093 | let buffer_entry = &tab.buffers[pane.buffer_idx]; |
| 1094 | |
| 1095 | buffer_entry.path.as_ref().map(|p| { |
| 1096 | if buffer_entry.is_orphan { |
| 1097 | p.clone() |
| 1098 | } else { |
| 1099 | self.workspace.root.join(p) |
| 1100 | } |
| 1101 | }) |
| 1102 | } |
| 1103 | |
| 1104 | /// LSP: Go to definition |
| 1105 | fn lsp_goto_definition(&mut self) { |
| 1106 | if let Some(path) = self.current_file_path() { |
| 1107 | let path_str = path.to_string_lossy().to_string(); |
| 1108 | let line = self.cursor().line as u32; |
| 1109 | let col = self.cursor().col as u32; |
| 1110 | |
| 1111 | match self.workspace.lsp.request_definition(&path_str, line, col) { |
| 1112 | Ok(id) => { |
| 1113 | self.lsp_state.pending_definition = Some(id); |
| 1114 | self.message = Some("Finding definition...".to_string()); |
| 1115 | } |
| 1116 | Err(e) => { |
| 1117 | self.message = Some(format!("LSP error: {}", e)); |
| 1118 | } |
| 1119 | } |
| 1120 | } else { |
| 1121 | self.message = Some("No file open".to_string()); |
| 1122 | } |
| 1123 | } |
| 1124 | |
| 1125 | /// LSP: Find references |
| 1126 | fn lsp_find_references(&mut self) { |
| 1127 | if let Some(path) = self.current_file_path() { |
| 1128 | let path_str = path.to_string_lossy().to_string(); |
| 1129 | let line = self.cursor().line as u32; |
| 1130 | let col = self.cursor().col as u32; |
| 1131 | |
| 1132 | match self.workspace.lsp.request_references(&path_str, line, col, true) { |
| 1133 | Ok(id) => { |
| 1134 | self.lsp_state.pending_references = Some(id); |
| 1135 | self.message = Some("Finding references...".to_string()); |
| 1136 | } |
| 1137 | Err(e) => { |
| 1138 | self.message = Some(format!("LSP error: {}", e)); |
| 1139 | } |
| 1140 | } |
| 1141 | } else { |
| 1142 | self.message = Some("No file open".to_string()); |
| 1143 | } |
| 1144 | } |
| 1145 | |
| 1146 | /// LSP: Show hover information |
| 1147 | fn lsp_hover(&mut self) { |
| 1148 | if let Some(path) = self.current_file_path() { |
| 1149 | let path_str = path.to_string_lossy().to_string(); |
| 1150 | let line = self.cursor().line as u32; |
| 1151 | let col = self.cursor().col as u32; |
| 1152 | |
| 1153 | match self.workspace.lsp.request_hover(&path_str, line, col) { |
| 1154 | Ok(id) => { |
| 1155 | self.lsp_state.pending_hover = Some(id); |
| 1156 | self.message = Some("Loading hover info...".to_string()); |
| 1157 | } |
| 1158 | Err(e) => { |
| 1159 | self.message = Some(format!("LSP error: {}", e)); |
| 1160 | } |
| 1161 | } |
| 1162 | } else { |
| 1163 | self.message = Some("No file open".to_string()); |
| 1164 | } |
| 1165 | } |
| 1166 | |
| 1167 | /// LSP: Trigger completion |
| 1168 | fn lsp_complete(&mut self) { |
| 1169 | if let Some(path) = self.current_file_path() { |
| 1170 | let path_str = path.to_string_lossy().to_string(); |
| 1171 | let line = self.cursor().line as u32; |
| 1172 | let col = self.cursor().col as u32; |
| 1173 | |
| 1174 | match self.workspace.lsp.request_completions(&path_str, line, col) { |
| 1175 | Ok(id) => { |
| 1176 | self.lsp_state.pending_completion = Some(id); |
| 1177 | self.message = Some("Loading completions...".to_string()); |
| 1178 | } |
| 1179 | Err(e) => { |
| 1180 | self.message = Some(format!("LSP error: {}", e)); |
| 1181 | } |
| 1182 | } |
| 1183 | } else { |
| 1184 | self.message = Some("No file open".to_string()); |
| 1185 | } |
| 1186 | } |
| 1187 | |
| 1188 | /// Toggle the LSP server manager panel |
| 1189 | fn toggle_server_manager(&mut self) { |
| 1190 | if self.server_manager.visible { |
| 1191 | self.server_manager.hide(); |
| 1192 | } else { |
| 1193 | self.server_manager.show(); |
| 1194 | } |
| 1195 | } |
| 1196 | |
| 1197 | /// Handle key input when server manager panel is visible |
| 1198 | fn handle_server_manager_key(&mut self, key: Key, mods: Modifiers) -> Result<()> { |
| 1199 | let max_visible = 10; // Should match screen.rs |
| 1200 | |
| 1201 | // Alt+M toggles the panel closed |
| 1202 | if key == Key::Char('m') && mods.alt { |
| 1203 | self.server_manager.hide(); |
| 1204 | return Ok(()); |
| 1205 | } |
| 1206 | |
| 1207 | // Handle confirm mode |
| 1208 | if self.server_manager.confirm_mode { |
| 1209 | match key { |
| 1210 | Key::Char('y') | Key::Char('Y') => { |
| 1211 | // Start install in background thread (non-blocking) |
| 1212 | self.server_manager.start_install(); |
| 1213 | } |
| 1214 | Key::Char('n') | Key::Char('N') | Key::Escape => { |
| 1215 | self.server_manager.cancel_confirm(); |
| 1216 | } |
| 1217 | _ => {} |
| 1218 | } |
| 1219 | return Ok(()); |
| 1220 | } |
| 1221 | |
| 1222 | // Handle manual info mode |
| 1223 | if self.server_manager.manual_info_mode { |
| 1224 | match key { |
| 1225 | Key::Char('c') | Key::Char('C') => { |
| 1226 | // Copy install instructions to clipboard |
| 1227 | if let Some(text) = self.server_manager.get_manual_install_text() { |
| 1228 | if let Some(ref mut clip) = self.clipboard { |
| 1229 | if clip.set_text(&text).is_ok() { |
| 1230 | self.server_manager.mark_copied(); |
| 1231 | } else { |
| 1232 | self.server_manager.status_message = Some("Failed to copy".to_string()); |
| 1233 | } |
| 1234 | } else { |
| 1235 | // Fall back to internal clipboard |
| 1236 | self.internal_clipboard = text; |
| 1237 | self.server_manager.mark_copied(); |
| 1238 | } |
| 1239 | } |
| 1240 | } |
| 1241 | Key::Escape | Key::Char('q') => { |
| 1242 | self.server_manager.cancel_confirm(); |
| 1243 | } |
| 1244 | _ => {} |
| 1245 | } |
| 1246 | return Ok(()); |
| 1247 | } |
| 1248 | |
| 1249 | // Normal panel navigation |
| 1250 | match key { |
| 1251 | Key::Up | Key::Char('k') => { |
| 1252 | self.server_manager.move_up(); |
| 1253 | } |
| 1254 | Key::Down | Key::Char('j') => { |
| 1255 | self.server_manager.move_down(max_visible); |
| 1256 | } |
| 1257 | Key::Enter => { |
| 1258 | self.server_manager.enter_confirm_mode(); |
| 1259 | } |
| 1260 | Key::Char('r') | Key::Char('R') => { |
| 1261 | self.server_manager.refresh(); |
| 1262 | } |
| 1263 | Key::Escape | Key::Char('q') => { |
| 1264 | self.server_manager.hide(); |
| 1265 | } |
| 1266 | _ => {} |
| 1267 | } |
| 1268 | |
| 1269 | Ok(()) |
| 1270 | } |
| 1271 | |
| 1272 | /// LSP: Rename symbol - opens prompt for new name |
| 1273 | fn lsp_rename(&mut self) { |
| 1274 | if let Some(path) = self.current_file_path() { |
| 1275 | let path_str = path.to_string_lossy().to_string(); |
| 1276 | let line = self.cursor().line as u32; |
| 1277 | let col = self.cursor().col as u32; |
| 1278 | |
| 1279 | // Get the word under cursor to show in prompt |
| 1280 | let buffer = self.buffer(); |
| 1281 | let cursor = self.cursor(); |
| 1282 | let current_word = if let Some(line_slice) = buffer.line(cursor.line) { |
| 1283 | let line_text: String = line_slice.chars().collect(); |
| 1284 | let mut start = cursor.col; |
| 1285 | let mut end = cursor.col; |
| 1286 | |
| 1287 | // Find word boundaries |
| 1288 | while start > 0 { |
| 1289 | let ch = line_text.chars().nth(start - 1).unwrap_or(' '); |
| 1290 | if ch.is_alphanumeric() || ch == '_' { |
| 1291 | start -= 1; |
| 1292 | } else { |
| 1293 | break; |
| 1294 | } |
| 1295 | } |
| 1296 | while end < line_text.len() { |
| 1297 | let ch = line_text.chars().nth(end).unwrap_or(' '); |
| 1298 | if ch.is_alphanumeric() || ch == '_' { |
| 1299 | end += 1; |
| 1300 | } else { |
| 1301 | break; |
| 1302 | } |
| 1303 | } |
| 1304 | line_text[start..end].to_string() |
| 1305 | } else { |
| 1306 | String::new() |
| 1307 | }; |
| 1308 | |
| 1309 | if current_word.is_empty() { |
| 1310 | self.message = Some("No symbol under cursor".to_string()); |
| 1311 | return; |
| 1312 | } |
| 1313 | |
| 1314 | self.prompt = PromptState::RenameModal { |
| 1315 | original_name: current_word, |
| 1316 | new_name: String::new(), |
| 1317 | path: path_str, |
| 1318 | line, |
| 1319 | col, |
| 1320 | }; |
| 1321 | } else { |
| 1322 | self.message = Some("No file open".to_string()); |
| 1323 | } |
| 1324 | } |
| 1325 | |
| 1326 | /// Accept the currently selected completion and insert it |
| 1327 | fn accept_completion(&mut self) { |
| 1328 | if self.lsp_state.completions.is_empty() { |
| 1329 | return; |
| 1330 | } |
| 1331 | |
| 1332 | let completion = self.lsp_state.completions[self.lsp_state.completion_index].clone(); |
| 1333 | |
| 1334 | // Determine the text to insert |
| 1335 | let insert_text = if let Some(ref text_edit) = completion.text_edit { |
| 1336 | // Use text edit if provided (includes range to replace) |
| 1337 | // For now, just use the new text - proper range replacement would be more complex |
| 1338 | text_edit.new_text.clone() |
| 1339 | } else if let Some(ref insert) = completion.insert_text { |
| 1340 | insert.clone() |
| 1341 | } else { |
| 1342 | completion.label.clone() |
| 1343 | }; |
| 1344 | |
| 1345 | // Find the start of the word being completed (walk back from cursor) |
| 1346 | let buffer = self.buffer(); |
| 1347 | let cursor = self.cursor(); |
| 1348 | let line_idx = cursor.line; |
| 1349 | let cursor_col = cursor.col; |
| 1350 | let mut word_start = cursor_col; |
| 1351 | |
| 1352 | // Walk back to find word start (alphanumeric or underscore) |
| 1353 | if let Some(line_slice) = buffer.line(line_idx) { |
| 1354 | let line_text: String = line_slice.chars().collect(); |
| 1355 | while word_start > 0 { |
| 1356 | let prev_char = line_text.chars().nth(word_start - 1).unwrap_or(' '); |
| 1357 | if prev_char.is_alphanumeric() || prev_char == '_' { |
| 1358 | word_start -= 1; |
| 1359 | } else { |
| 1360 | break; |
| 1361 | } |
| 1362 | } |
| 1363 | } |
| 1364 | |
| 1365 | // Delete the partial word and insert completion |
| 1366 | if word_start < cursor_col { |
| 1367 | // Select from word start to cursor |
| 1368 | let cursor = self.cursor_mut(); |
| 1369 | cursor.anchor_line = cursor.line; |
| 1370 | cursor.anchor_col = word_start; |
| 1371 | cursor.selecting = true; |
| 1372 | } |
| 1373 | |
| 1374 | // Insert the completion text (this will replace selection if any) |
| 1375 | for ch in insert_text.chars() { |
| 1376 | self.insert_char(ch); |
| 1377 | } |
| 1378 | |
| 1379 | // Clear completion state |
| 1380 | self.dismiss_completion(); |
| 1381 | } |
| 1382 | |
| 1383 | /// Dismiss the completion popup |
| 1384 | fn dismiss_completion(&mut self) { |
| 1385 | self.lsp_state.completion_visible = false; |
| 1386 | self.lsp_state.completions.clear(); |
| 1387 | self.lsp_state.completions_original.clear(); |
| 1388 | self.lsp_state.completion_index = 0; |
| 1389 | self.lsp_state.completion_filter.clear(); |
| 1390 | } |
| 1391 | |
| 1392 | /// Filter completions based on typed text |
| 1393 | fn filter_completions(&mut self) { |
| 1394 | let filter = self.lsp_state.completion_filter.to_lowercase(); |
| 1395 | if filter.is_empty() { |
| 1396 | self.lsp_state.completions = self.lsp_state.completions_original.clone(); |
| 1397 | } else { |
| 1398 | self.lsp_state.completions = self.lsp_state.completions_original |
| 1399 | .iter() |
| 1400 | .filter(|item| item.label.to_lowercase().contains(&filter)) |
| 1401 | .cloned() |
| 1402 | .collect(); |
| 1403 | } |
| 1404 | // Reset selection to first item |
| 1405 | self.lsp_state.completion_index = 0; |
| 1406 | } |
| 1407 | |
| 1408 | /// Process a key event, handling ESC as potential Alt prefix |
| 1409 | fn process_key(&mut self, key_event: KeyEvent) -> Result<()> { |
| 1410 | use crossterm::event::{KeyCode, KeyModifiers}; |
| 1411 | |
| 1412 | // Ctrl+` or Ctrl+j toggles terminal (works in both editor and terminal mode) |
| 1413 | // Ctrl+j is alternate since Ctrl+` can conflict with tmux |
| 1414 | if (key_event.code == KeyCode::Char('`') || key_event.code == KeyCode::Char('j')) |
| 1415 | && key_event.modifiers.contains(KeyModifiers::CONTROL) |
| 1416 | { |
| 1417 | let _ = self.terminal.toggle(); |
| 1418 | self.terminal_resize_dragging = false; |
| 1419 | return Ok(()); |
| 1420 | } |
| 1421 | |
| 1422 | // If terminal is visible, route input to terminal |
| 1423 | if self.terminal.visible { |
| 1424 | // ESC hides terminal |
| 1425 | if key_event.code == KeyCode::Esc { |
| 1426 | self.terminal.hide(); |
| 1427 | self.terminal_resize_dragging = false; |
| 1428 | return Ok(()); |
| 1429 | } |
| 1430 | // Send all other keys to terminal |
| 1431 | let _ = self.terminal.send_key(&key_event); |
| 1432 | return Ok(()); |
| 1433 | } |
| 1434 | |
| 1435 | // Check if this is a bare Escape key (potential Alt prefix) |
| 1436 | if key_event.code == KeyCode::Esc && key_event.modifiers.is_empty() { |
| 1437 | // Check if more data is available within escape_time |
| 1438 | // Escape sequences from terminals arrive together, so short timeouts work |
| 1439 | let timeout = Duration::from_millis(self.escape_time); |
| 1440 | |
| 1441 | if event::poll(timeout)? { |
| 1442 | if let Event::Key(next_event) = event::read()? { |
| 1443 | // Check for CSI sequences (ESC [ ...) which are arrow keys etc. |
| 1444 | if next_event.code == KeyCode::Char('[') { |
| 1445 | // CSI sequence - read the rest |
| 1446 | if event::poll(timeout)? { |
| 1447 | if let Event::Key(csi_event) = event::read()? { |
| 1448 | let mods = Modifiers { alt: true, ..Default::default() }; |
| 1449 | return match csi_event.code { |
| 1450 | KeyCode::Char('A') => self.handle_key_with_mods(Key::Up, mods), |
| 1451 | KeyCode::Char('B') => self.handle_key_with_mods(Key::Down, mods), |
| 1452 | KeyCode::Char('C') => self.handle_key_with_mods(Key::Right, mods), |
| 1453 | KeyCode::Char('D') => self.handle_key_with_mods(Key::Left, mods), |
| 1454 | _ => Ok(()), // Unknown CSI sequence |
| 1455 | }; |
| 1456 | } |
| 1457 | } |
| 1458 | return Ok(()); // Incomplete CSI |
| 1459 | } |
| 1460 | |
| 1461 | // Regular Alt+key (ESC followed by a normal key) |
| 1462 | let (key, mut mods) = Key::from_crossterm(next_event); |
| 1463 | mods.alt = true; |
| 1464 | return self.handle_key_with_mods(key, mods); |
| 1465 | } |
| 1466 | } |
| 1467 | // No key followed - it's a real Escape |
| 1468 | return self.handle_key_with_mods(Key::Escape, Modifiers::default()); |
| 1469 | } |
| 1470 | |
| 1471 | // Normal key processing |
| 1472 | let (key, mods) = Key::from_crossterm(key_event); |
| 1473 | self.handle_key_with_mods(key, mods) |
| 1474 | } |
| 1475 | |
| 1476 | /// Process a mouse event |
| 1477 | fn process_mouse(&mut self, mouse_event: MouseEvent) -> Result<()> { |
| 1478 | if let Some(mouse) = Mouse::from_crossterm(mouse_event) { |
| 1479 | self.handle_mouse(mouse)?; |
| 1480 | } |
| 1481 | Ok(()) |
| 1482 | } |
| 1483 | |
| 1484 | /// Handle mouse input |
| 1485 | fn handle_mouse(&mut self, mouse: Mouse) -> Result<()> { |
| 1486 | // Calculate offsets for fuss mode and tab bar |
| 1487 | let left_offset = if self.workspace.fuss.active { |
| 1488 | self.workspace.fuss.width(self.screen.cols) as usize |
| 1489 | } else { |
| 1490 | 0 |
| 1491 | }; |
| 1492 | let top_offset = if self.workspace.tabs.len() > 1 { 1 } else { 0 }; |
| 1493 | |
| 1494 | // Calculate line number column width (same as in screen.rs) |
| 1495 | let line_num_width = { |
| 1496 | let line_count = self.buffer().line_count(); |
| 1497 | let digits = if line_count == 0 { 1 } else { (line_count as f64).log10().floor() as usize + 1 }; |
| 1498 | digits.max(3) |
| 1499 | }; |
| 1500 | let text_start_col = left_offset + line_num_width + 1; |
| 1501 | |
| 1502 | // Handle terminal resize dragging |
| 1503 | if self.terminal.visible { |
| 1504 | let title_row = self.screen.rows.saturating_sub(self.terminal.height); |
| 1505 | |
| 1506 | match mouse { |
| 1507 | Mouse::Click { button: Button::Left, row, .. } if row == title_row => { |
| 1508 | // Start dragging on title bar |
| 1509 | self.terminal_resize_dragging = true; |
| 1510 | self.terminal_resize_start_y = row; |
| 1511 | self.terminal_resize_start_height = self.terminal.height; |
| 1512 | return Ok(()); |
| 1513 | } |
| 1514 | Mouse::Drag { button: Button::Left, row, .. } if self.terminal_resize_dragging => { |
| 1515 | // Resize while dragging |
| 1516 | let delta = self.terminal_resize_start_y as i32 - row as i32; |
| 1517 | let new_height = (self.terminal_resize_start_height as i32 + delta).max(3) as u16; |
| 1518 | self.terminal.resize_height(new_height); |
| 1519 | return Ok(()); |
| 1520 | } |
| 1521 | Mouse::Up { button: Button::Left, .. } if self.terminal_resize_dragging => { |
| 1522 | // Stop dragging |
| 1523 | self.terminal_resize_dragging = false; |
| 1524 | return Ok(()); |
| 1525 | } |
| 1526 | _ => {} |
| 1527 | } |
| 1528 | } |
| 1529 | |
| 1530 | match mouse { |
| 1531 | Mouse::Click { button: Button::Left, col, row, modifiers } => { |
| 1532 | // Convert screen coordinates to buffer coordinates |
| 1533 | let screen_row = row as usize; |
| 1534 | let screen_col = col as usize; |
| 1535 | |
| 1536 | // Check if click is in the text area (not line numbers, not status bar, not fuss pane) |
| 1537 | let status_row = self.screen.rows.saturating_sub(1) as usize; |
| 1538 | if screen_row >= top_offset && screen_row < status_row && screen_col >= text_start_col { |
| 1539 | // Calculate buffer position (accounting for top_offset) |
| 1540 | let buffer_line = self.viewport_line() + (screen_row - top_offset); |
| 1541 | let buffer_col = screen_col - text_start_col; |
| 1542 | |
| 1543 | // Clamp to valid positions |
| 1544 | if buffer_line < self.buffer().line_count() { |
| 1545 | let line_len = self.buffer().line_len(buffer_line); |
| 1546 | let clamped_col = buffer_col.min(line_len); |
| 1547 | |
| 1548 | if modifiers.ctrl { |
| 1549 | // Ctrl+click: add or remove cursor at position |
| 1550 | self.toggle_cursor_at(buffer_line, clamped_col); |
| 1551 | } else { |
| 1552 | // Normal click: move cursor to clicked position |
| 1553 | self.cursors_mut().collapse_to_primary(); |
| 1554 | self.cursor_mut().line = buffer_line; |
| 1555 | self.cursor_mut().col = clamped_col; |
| 1556 | self.cursor_mut().desired_col = clamped_col; |
| 1557 | self.cursor_mut().clear_selection(); |
| 1558 | } |
| 1559 | } |
| 1560 | } |
| 1561 | } |
| 1562 | Mouse::Drag { button: Button::Left, col, row, .. } => { |
| 1563 | // Extend selection while dragging |
| 1564 | let screen_row = row as usize; |
| 1565 | let screen_col = col as usize; |
| 1566 | |
| 1567 | let status_row = self.screen.rows.saturating_sub(1) as usize; |
| 1568 | if screen_row >= top_offset && screen_row < status_row && screen_col >= text_start_col { |
| 1569 | let buffer_line = self.viewport_line() + (screen_row - top_offset); |
| 1570 | let buffer_col = screen_col - text_start_col; |
| 1571 | |
| 1572 | if buffer_line < self.buffer().line_count() { |
| 1573 | let line_len = self.buffer().line_len(buffer_line); |
| 1574 | let clamped_col = buffer_col.min(line_len); |
| 1575 | |
| 1576 | // Start selection if not already selecting |
| 1577 | if !self.cursor().selecting { |
| 1578 | self.cursor_mut().start_selection(); |
| 1579 | } |
| 1580 | |
| 1581 | // Move cursor (extends selection) |
| 1582 | self.cursor_mut().line = buffer_line; |
| 1583 | self.cursor_mut().col = clamped_col; |
| 1584 | self.cursor_mut().desired_col = clamped_col; |
| 1585 | } |
| 1586 | } |
| 1587 | } |
| 1588 | Mouse::ScrollUp { .. } => { |
| 1589 | // Scroll up 3 lines |
| 1590 | let new_line = self.viewport_line().saturating_sub(3); |
| 1591 | self.set_viewport_line(new_line); |
| 1592 | } |
| 1593 | Mouse::ScrollDown { .. } => { |
| 1594 | // Scroll down 3 lines |
| 1595 | // Calculate visible rows (accounting for tab bar, gap, and status bar) |
| 1596 | let top_offset = if self.workspace.tabs.len() > 1 { 1 } else { 0 }; |
| 1597 | let visible_rows = (self.screen.rows as usize).saturating_sub(2 + top_offset); |
| 1598 | // Max viewport is when the last line is at the bottom of visible area |
| 1599 | let max_viewport = self.buffer().line_count().saturating_sub(visible_rows).max(0); |
| 1600 | let new_line = (self.viewport_line() + 3).min(max_viewport); |
| 1601 | self.set_viewport_line(new_line); |
| 1602 | } |
| 1603 | _ => {} |
| 1604 | } |
| 1605 | |
| 1606 | Ok(()) |
| 1607 | } |
| 1608 | |
| 1609 | fn render(&mut self) -> Result<()> { |
| 1610 | // Calculate fuss pane width if active |
| 1611 | let fuss_width = if self.workspace.fuss.active { |
| 1612 | self.workspace.fuss.width(self.screen.cols) |
| 1613 | } else { |
| 1614 | 0 |
| 1615 | }; |
| 1616 | |
| 1617 | // Render fuss mode sidebar if active |
| 1618 | if self.workspace.fuss.active { |
| 1619 | let visible_rows = self.screen.rows.saturating_sub(2) as usize; |
| 1620 | self.workspace.fuss.update_viewport(visible_rows); |
| 1621 | |
| 1622 | if let Some(ref tree) = self.workspace.fuss.tree { |
| 1623 | let repo_name = self.workspace.repo_name(); |
| 1624 | let branch = self.workspace.git_branch(); |
| 1625 | self.screen.render_fuss( |
| 1626 | tree.visible_items(), |
| 1627 | self.workspace.fuss.selected, |
| 1628 | self.workspace.fuss.scroll, |
| 1629 | fuss_width, |
| 1630 | self.workspace.fuss.hints_expanded, |
| 1631 | &repo_name, |
| 1632 | branch.as_deref(), |
| 1633 | self.workspace.fuss.git_mode, |
| 1634 | )?; |
| 1635 | } |
| 1636 | } |
| 1637 | |
| 1638 | // Build tab info for tab bar |
| 1639 | let tabs: Vec<TabInfo> = self.workspace.tabs.iter_mut().enumerate().map(|(i, tab)| { |
| 1640 | TabInfo { |
| 1641 | name: tab.display_name(), |
| 1642 | is_active: i == self.workspace.active_tab, |
| 1643 | is_modified: tab.is_modified(), |
| 1644 | index: i, |
| 1645 | } |
| 1646 | }).collect(); |
| 1647 | |
| 1648 | // Render tab bar (returns height: 1 if multiple tabs, 0 if single tab) |
| 1649 | let top_offset = self.screen.render_tab_bar(&tabs, fuss_width)?; |
| 1650 | |
| 1651 | // Get pane count and filename before potentially getting mutable reference |
| 1652 | let pane_count = { |
| 1653 | let tab = self.workspace.active_tab(); |
| 1654 | tab.panes.len() |
| 1655 | }; |
| 1656 | let filename = { |
| 1657 | let tab = self.workspace.active_tab(); |
| 1658 | let pane = &tab.panes[tab.active_pane]; |
| 1659 | tab.buffers[pane.buffer_idx].path.as_ref().and_then(|p| p.to_str()).map(|s| s.to_string()) |
| 1660 | }; |
| 1661 | let filename_ref = filename.as_deref(); |
| 1662 | |
| 1663 | // Use multi-pane rendering if we have more than one pane |
| 1664 | if pane_count > 1 { |
| 1665 | // Pre-compute is_modified for each buffer (needs mutable access) |
| 1666 | let buffer_modified: Vec<bool> = { |
| 1667 | let tab = self.workspace.active_tab_mut(); |
| 1668 | tab.buffers.iter_mut().map(|be| be.is_modified()).collect() |
| 1669 | }; |
| 1670 | |
| 1671 | let tab = self.workspace.active_tab(); |
| 1672 | // Build PaneInfo for each pane |
| 1673 | let pane_infos: Vec<PaneInfo> = tab.panes.iter().enumerate().map(|(i, pane)| { |
| 1674 | let buffer_entry = &tab.buffers[pane.buffer_idx]; |
| 1675 | let buffer = &buffer_entry.buffer; |
| 1676 | let cursor = pane.cursors.primary(); |
| 1677 | let bracket_match = buffer.find_matching_bracket(cursor.line, cursor.col); |
| 1678 | |
| 1679 | PaneInfo { |
| 1680 | buffer, |
| 1681 | cursors: &pane.cursors, |
| 1682 | viewport_line: pane.viewport_line, |
| 1683 | bounds: RenderPaneBounds { |
| 1684 | x_start: pane.bounds.x_start, |
| 1685 | y_start: pane.bounds.y_start, |
| 1686 | x_end: pane.bounds.x_end, |
| 1687 | y_end: pane.bounds.y_end, |
| 1688 | }, |
| 1689 | is_active: i == tab.active_pane, |
| 1690 | bracket_match, |
| 1691 | is_modified: buffer_modified[pane.buffer_idx], |
| 1692 | } |
| 1693 | }).collect(); |
| 1694 | |
| 1695 | self.screen.render_panes( |
| 1696 | &pane_infos, |
| 1697 | filename_ref, |
| 1698 | self.message.as_deref(), |
| 1699 | fuss_width, |
| 1700 | top_offset, |
| 1701 | ) |
| 1702 | } else { |
| 1703 | // Single pane - use simpler render path with syntax highlighting |
| 1704 | // Get cached bracket match (this may compute it if not cached) |
| 1705 | let bracket_match = self.get_bracket_match(); |
| 1706 | |
| 1707 | // Get is_modified first (needs mutable access for hash caching) |
| 1708 | let is_modified = { |
| 1709 | let tab = self.workspace.active_tab_mut(); |
| 1710 | let pane = &tab.panes[tab.active_pane]; |
| 1711 | tab.buffers[pane.buffer_idx].is_modified() |
| 1712 | }; |
| 1713 | |
| 1714 | // Get values we need before mutable borrow for highlighter |
| 1715 | let (viewport_line, viewport_col, cursors, line_count) = { |
| 1716 | let tab = self.workspace.active_tab(); |
| 1717 | let pane = &tab.panes[tab.active_pane]; |
| 1718 | let buffer_entry = &tab.buffers[pane.buffer_idx]; |
| 1719 | let buffer = &buffer_entry.buffer; |
| 1720 | let cursors = pane.cursors.clone(); |
| 1721 | (pane.viewport_line, pane.viewport_col, cursors, buffer.line_count()) |
| 1722 | }; |
| 1723 | |
| 1724 | // Now get mutable access to highlighter and buffer for rendering |
| 1725 | { |
| 1726 | let tab = self.workspace.active_tab_mut(); |
| 1727 | let buffer_idx = tab.panes[tab.active_pane].buffer_idx; |
| 1728 | let buffer_entry = &mut tab.buffers[buffer_idx]; |
| 1729 | let buffer = &buffer_entry.buffer; |
| 1730 | |
| 1731 | self.screen.render_with_syntax( |
| 1732 | buffer, |
| 1733 | &cursors, |
| 1734 | viewport_line, |
| 1735 | viewport_col, |
| 1736 | filename_ref, |
| 1737 | self.message.as_deref(), |
| 1738 | bracket_match, |
| 1739 | fuss_width, |
| 1740 | top_offset, |
| 1741 | is_modified, |
| 1742 | &mut buffer_entry.highlighter, |
| 1743 | )?; |
| 1744 | } |
| 1745 | |
| 1746 | // Render diagnostics markers in gutter |
| 1747 | if !self.lsp_state.diagnostics.is_empty() { |
| 1748 | self.screen.render_diagnostics_gutter( |
| 1749 | &self.lsp_state.diagnostics, |
| 1750 | viewport_line, |
| 1751 | fuss_width, |
| 1752 | top_offset, |
| 1753 | )?; |
| 1754 | } |
| 1755 | |
| 1756 | // Render completion popup if visible |
| 1757 | if self.lsp_state.completion_visible && !self.lsp_state.completions.is_empty() { |
| 1758 | let cursor = cursors.primary(); |
| 1759 | // Calculate cursor screen position |
| 1760 | let cursor_row = (cursor.line.saturating_sub(viewport_line)) as u16 + top_offset; |
| 1761 | let line_num_width = self.screen.line_number_width(line_count) as u16; |
| 1762 | let cursor_col = cursor.col as u16 + line_num_width + 1; |
| 1763 | |
| 1764 | self.screen.render_completion_popup( |
| 1765 | &self.lsp_state.completions, |
| 1766 | self.lsp_state.completion_index, |
| 1767 | cursor_row, |
| 1768 | cursor_col, |
| 1769 | fuss_width, |
| 1770 | )?; |
| 1771 | } |
| 1772 | |
| 1773 | // Render hover popup if visible |
| 1774 | if self.lsp_state.hover_visible { |
| 1775 | if let Some(ref hover) = self.lsp_state.hover { |
| 1776 | let cursor = cursors.primary(); |
| 1777 | let cursor_row = (cursor.line.saturating_sub(viewport_line)) as u16 + top_offset; |
| 1778 | let line_num_width = self.screen.line_number_width(line_count) as u16; |
| 1779 | let cursor_col = cursor.col as u16 + line_num_width + 1; |
| 1780 | |
| 1781 | self.screen.render_hover_popup( |
| 1782 | hover, |
| 1783 | cursor_row, |
| 1784 | cursor_col, |
| 1785 | fuss_width, |
| 1786 | )?; |
| 1787 | } |
| 1788 | } |
| 1789 | |
| 1790 | // Render server manager panel if visible (on top of everything) |
| 1791 | if self.server_manager.visible { |
| 1792 | self.screen.render_server_manager_panel(&self.server_manager)?; |
| 1793 | } |
| 1794 | |
| 1795 | // Render terminal panel if visible (overlays editor content) |
| 1796 | if self.terminal.visible { |
| 1797 | self.screen.render_terminal(&self.terminal)?; |
| 1798 | } |
| 1799 | |
| 1800 | // Render rename modal if active |
| 1801 | if let PromptState::RenameModal { ref original_name, ref new_name, .. } = self.prompt { |
| 1802 | self.screen.render_rename_modal(original_name, new_name)?; |
| 1803 | } |
| 1804 | |
| 1805 | // Render references panel if active |
| 1806 | if let PromptState::ReferencesPanel { ref locations, selected_index, ref query } = self.prompt { |
| 1807 | self.screen.render_references_panel(locations, selected_index, query, &self.workspace.root)?; |
| 1808 | } |
| 1809 | |
| 1810 | // Render fortress modal if active |
| 1811 | if let PromptState::Fortress { |
| 1812 | ref current_path, |
| 1813 | ref entries, |
| 1814 | selected_index, |
| 1815 | ref filter, |
| 1816 | scroll_offset, |
| 1817 | } = self.prompt { |
| 1818 | // Convert entries to tuple format for render function |
| 1819 | let entries_tuples: Vec<(String, PathBuf, bool)> = entries |
| 1820 | .iter() |
| 1821 | .map(|e| (e.name.clone(), e.path.clone(), e.is_dir)) |
| 1822 | .collect(); |
| 1823 | self.screen.render_fortress_modal( |
| 1824 | current_path, |
| 1825 | &entries_tuples, |
| 1826 | selected_index, |
| 1827 | filter, |
| 1828 | scroll_offset, |
| 1829 | )?; |
| 1830 | return Ok(()); // Modal handles cursor |
| 1831 | } |
| 1832 | |
| 1833 | // Render file search modal if active |
| 1834 | if let PromptState::FileSearch { |
| 1835 | ref query, |
| 1836 | ref results, |
| 1837 | selected_index, |
| 1838 | scroll_offset, |
| 1839 | searching, |
| 1840 | } = self.prompt { |
| 1841 | // Convert results to tuple format for render function |
| 1842 | let results_tuples: Vec<(PathBuf, usize, String)> = results |
| 1843 | .iter() |
| 1844 | .map(|r| (r.path.clone(), r.line_num, r.line_content.clone())) |
| 1845 | .collect(); |
| 1846 | self.screen.render_file_search_modal( |
| 1847 | query, |
| 1848 | &results_tuples, |
| 1849 | selected_index, |
| 1850 | scroll_offset, |
| 1851 | searching, |
| 1852 | )?; |
| 1853 | return Ok(()); // Modal handles cursor |
| 1854 | } |
| 1855 | |
| 1856 | // Render command palette if active |
| 1857 | if let PromptState::CommandPalette { |
| 1858 | ref query, |
| 1859 | ref filtered, |
| 1860 | selected_index, |
| 1861 | scroll_offset, |
| 1862 | } = self.prompt { |
| 1863 | // Convert commands to tuple format for render function |
| 1864 | let commands_tuples: Vec<(String, String, String, String)> = filtered |
| 1865 | .iter() |
| 1866 | .map(|c| (c.name.to_string(), c.shortcut.to_string(), c.category.to_string(), c.id.to_string())) |
| 1867 | .collect(); |
| 1868 | self.screen.render_command_palette( |
| 1869 | query, |
| 1870 | &commands_tuples, |
| 1871 | selected_index, |
| 1872 | scroll_offset, |
| 1873 | )?; |
| 1874 | return Ok(()); // Modal handles cursor |
| 1875 | } |
| 1876 | |
| 1877 | // Render help menu if active |
| 1878 | if let PromptState::HelpMenu { |
| 1879 | ref query, |
| 1880 | ref filtered, |
| 1881 | selected_index, |
| 1882 | scroll_offset, |
| 1883 | show_alt, |
| 1884 | } = self.prompt { |
| 1885 | // Convert keybinds to tuple format for render function |
| 1886 | // Use alt_shortcut when show_alt is true (for entries that have one) |
| 1887 | let keybinds_tuples: Vec<(String, String, String)> = filtered |
| 1888 | .iter() |
| 1889 | .map(|kb| { |
| 1890 | let shortcut = if show_alt && !kb.alt_shortcut.is_empty() { |
| 1891 | kb.alt_shortcut.to_string() |
| 1892 | } else { |
| 1893 | kb.shortcut.to_string() |
| 1894 | }; |
| 1895 | (shortcut, kb.description.to_string(), kb.category.to_string()) |
| 1896 | }) |
| 1897 | .collect(); |
| 1898 | self.screen.render_help_menu( |
| 1899 | query, |
| 1900 | &keybinds_tuples, |
| 1901 | selected_index, |
| 1902 | scroll_offset, |
| 1903 | show_alt, |
| 1904 | )?; |
| 1905 | return Ok(()); // Modal handles cursor |
| 1906 | } |
| 1907 | |
| 1908 | // Render find/replace bar if active (replaces status bar) |
| 1909 | if let PromptState::FindReplace { |
| 1910 | ref find_query, |
| 1911 | ref replace_text, |
| 1912 | active_field, |
| 1913 | case_insensitive, |
| 1914 | regex_mode, |
| 1915 | } = self.prompt { |
| 1916 | let is_find_active = active_field == FindReplaceField::Find; |
| 1917 | self.screen.render_find_replace_bar( |
| 1918 | find_query, |
| 1919 | replace_text, |
| 1920 | is_find_active, |
| 1921 | case_insensitive, |
| 1922 | regex_mode, |
| 1923 | self.search_state.matches.len(), |
| 1924 | self.search_state.current_match, |
| 1925 | fuss_width, |
| 1926 | )?; |
| 1927 | return Ok(()); // Skip cursor repositioning, bar handles it |
| 1928 | } |
| 1929 | |
| 1930 | // After all overlays are rendered, reposition cursor to the correct location |
| 1931 | // (overlays may have moved the terminal cursor position) |
| 1932 | let cursor = cursors.primary(); |
| 1933 | let cursor_row = (cursor.line.saturating_sub(viewport_line)) as u16 + top_offset; |
| 1934 | let line_num_width = self.screen.line_number_width(line_count) as u16; |
| 1935 | // Account for horizontal scroll offset |
| 1936 | let cursor_screen_col = fuss_width + line_num_width + 1 + (cursor.col.saturating_sub(viewport_col)) as u16; |
| 1937 | self.screen.show_cursor_at(cursor_screen_col, cursor_row)?; |
| 1938 | |
| 1939 | Ok(()) |
| 1940 | } |
| 1941 | } |
| 1942 | |
| 1943 | fn handle_key_with_mods(&mut self, key: Key, mods: Modifiers) -> Result<()> { |
| 1944 | // Handle Ctrl+F/Ctrl+R specially - they can toggle/switch even when in FindReplace prompt |
| 1945 | if let PromptState::FindReplace { .. } = &self.prompt { |
| 1946 | match (&key, &mods) { |
| 1947 | (Key::Char('f'), Modifiers { ctrl: true, .. }) => { |
| 1948 | self.open_find(); |
| 1949 | return Ok(()); |
| 1950 | } |
| 1951 | (Key::Char('r'), Modifiers { ctrl: true, .. }) => { |
| 1952 | self.open_replace(); |
| 1953 | return Ok(()); |
| 1954 | } |
| 1955 | // Alt+I: toggle case insensitivity |
| 1956 | (Key::Char('i'), Modifiers { alt: true, .. }) => { |
| 1957 | self.toggle_case_sensitivity(); |
| 1958 | return Ok(()); |
| 1959 | } |
| 1960 | // Alt+X: toggle regex mode |
| 1961 | (Key::Char('x'), Modifiers { alt: true, .. }) => { |
| 1962 | self.toggle_regex_mode(); |
| 1963 | return Ok(()); |
| 1964 | } |
| 1965 | // Alt+Enter or Ctrl+Shift+Enter: replace all |
| 1966 | (Key::Enter, Modifiers { alt: true, .. }) | |
| 1967 | (Key::Enter, Modifiers { ctrl: true, shift: true, .. }) => { |
| 1968 | self.replace_all(); |
| 1969 | return Ok(()); |
| 1970 | } |
| 1971 | _ => {} |
| 1972 | } |
| 1973 | } |
| 1974 | |
| 1975 | // Handle active prompts first |
| 1976 | if self.prompt != PromptState::None { |
| 1977 | return self.handle_prompt_key(key); |
| 1978 | } |
| 1979 | |
| 1980 | // Handle server manager panel when visible |
| 1981 | if self.server_manager.visible { |
| 1982 | return self.handle_server_manager_key(key, mods); |
| 1983 | } |
| 1984 | |
| 1985 | // Clear message on any key |
| 1986 | self.message = None; |
| 1987 | |
| 1988 | // Toggle fuss mode: Ctrl+B or F3 (works in both modes) |
| 1989 | if matches!((&key, &mods), (Key::Char('b'), Modifiers { ctrl: true, .. }) | (Key::F(3), _)) { |
| 1990 | self.toggle_fuss_mode(); |
| 1991 | return Ok(()); |
| 1992 | } |
| 1993 | |
| 1994 | // Route to fuss mode handler if active |
| 1995 | if self.workspace.fuss.active { |
| 1996 | return self.handle_fuss_key(key, mods); |
| 1997 | } |
| 1998 | |
| 1999 | // Handle completion popup navigation when visible |
| 2000 | if self.lsp_state.completion_visible { |
| 2001 | match (&key, &mods) { |
| 2002 | // Navigate up in completion list |
| 2003 | (Key::Up, _) => { |
| 2004 | if self.lsp_state.completion_index > 0 { |
| 2005 | self.lsp_state.completion_index -= 1; |
| 2006 | } else { |
| 2007 | // Wrap to bottom |
| 2008 | self.lsp_state.completion_index = self.lsp_state.completions.len().saturating_sub(1); |
| 2009 | } |
| 2010 | return Ok(()); |
| 2011 | } |
| 2012 | // Navigate down in completion list |
| 2013 | (Key::Down, _) => { |
| 2014 | if self.lsp_state.completion_index < self.lsp_state.completions.len().saturating_sub(1) { |
| 2015 | self.lsp_state.completion_index += 1; |
| 2016 | } else { |
| 2017 | // Wrap to top |
| 2018 | self.lsp_state.completion_index = 0; |
| 2019 | } |
| 2020 | return Ok(()); |
| 2021 | } |
| 2022 | // Select completion with Enter or Tab |
| 2023 | (Key::Enter, _) | (Key::Tab, _) => { |
| 2024 | self.accept_completion(); |
| 2025 | return Ok(()); |
| 2026 | } |
| 2027 | // Dismiss completion popup with Escape |
| 2028 | (Key::Escape, _) => { |
| 2029 | self.dismiss_completion(); |
| 2030 | return Ok(()); |
| 2031 | } |
| 2032 | // Backspace: remove from filter (if any) and continue |
| 2033 | (Key::Backspace, _) => { |
| 2034 | if !self.lsp_state.completion_filter.is_empty() { |
| 2035 | self.lsp_state.completion_filter.pop(); |
| 2036 | self.filter_completions(); |
| 2037 | } else { |
| 2038 | // No filter left, dismiss popup |
| 2039 | self.dismiss_completion(); |
| 2040 | } |
| 2041 | // Continue to normal backspace handling |
| 2042 | } |
| 2043 | // Character input: add to filter and continue typing |
| 2044 | (Key::Char(c), Modifiers { ctrl: false, alt: false, .. }) => { |
| 2045 | self.lsp_state.completion_filter.push(*c); |
| 2046 | self.filter_completions(); |
| 2047 | // If no matches left, dismiss |
| 2048 | if self.lsp_state.completions.is_empty() { |
| 2049 | self.dismiss_completion(); |
| 2050 | } |
| 2051 | // Continue to normal character handling |
| 2052 | } |
| 2053 | // Any other key dismisses popup |
| 2054 | _ => { |
| 2055 | self.dismiss_completion(); |
| 2056 | } |
| 2057 | } |
| 2058 | } |
| 2059 | |
| 2060 | // Dismiss hover popup on any key press |
| 2061 | if self.lsp_state.hover_visible { |
| 2062 | self.lsp_state.hover_visible = false; |
| 2063 | self.lsp_state.hover = None; |
| 2064 | // Let Escape just dismiss the popup without doing anything else |
| 2065 | if matches!(key, Key::Escape) { |
| 2066 | return Ok(()); |
| 2067 | } |
| 2068 | } |
| 2069 | |
| 2070 | // Break undo group on any non-character key (movement, commands, etc.) |
| 2071 | // This ensures each "typing session" is its own undo unit |
| 2072 | let is_typing = matches!( |
| 2073 | (&key, &mods), |
| 2074 | (Key::Char(_), Modifiers { ctrl: false, alt: false, .. }) |
| 2075 | ); |
| 2076 | if !is_typing { |
| 2077 | self.history_mut().maybe_break_group(); |
| 2078 | } |
| 2079 | |
| 2080 | match (&key, &mods) { |
| 2081 | // === System === |
| 2082 | // Quit: Ctrl+Q |
| 2083 | (Key::Char('q'), Modifiers { ctrl: true, .. }) => { |
| 2084 | self.try_quit(); |
| 2085 | } |
| 2086 | // Save: Ctrl+S |
| 2087 | (Key::Char('s'), Modifiers { ctrl: true, .. }) => { |
| 2088 | self.save()?; |
| 2089 | } |
| 2090 | // Escape: clear selection and collapse to single cursor |
| 2091 | (Key::Escape, _) => { |
| 2092 | if self.cursors().len() > 1 { |
| 2093 | self.cursors_mut().collapse_to_primary(); |
| 2094 | } else { |
| 2095 | self.cursors_mut().primary_mut().clear_selection(); |
| 2096 | } |
| 2097 | } |
| 2098 | |
| 2099 | // === Undo/Redo === |
| 2100 | (Key::Char('z'), Modifiers { ctrl: true, shift: false, .. }) => { |
| 2101 | self.undo(); |
| 2102 | } |
| 2103 | (Key::Char('z'), Modifiers { ctrl: true, shift: true, .. }) |
| 2104 | | (Key::Char(']'), Modifiers { ctrl: true, .. }) |
| 2105 | | (Key::Char('5'), Modifiers { ctrl: true, .. }) // Ctrl+] reports as Ctrl+5 on some terminals |
| 2106 | | (Key::Char('\x1d'), _) => { // 0x1D = Ctrl+] as raw control character |
| 2107 | self.redo(); |
| 2108 | } |
| 2109 | |
| 2110 | // === Clipboard === |
| 2111 | (Key::Char('c'), Modifiers { ctrl: true, .. }) => { |
| 2112 | self.copy(); |
| 2113 | } |
| 2114 | (Key::Char('x'), Modifiers { ctrl: true, .. }) => { |
| 2115 | self.cut(); |
| 2116 | } |
| 2117 | (Key::Char('v'), Modifiers { ctrl: true, .. }) => { |
| 2118 | self.paste(); |
| 2119 | } |
| 2120 | |
| 2121 | // === Multi-cursor operations (must come before other movement to capture Ctrl+Alt) === |
| 2122 | // Add cursor above: Ctrl+Alt+Up |
| 2123 | (Key::Up, Modifiers { ctrl: true, alt: true, .. }) => self.add_cursor_above(), |
| 2124 | // Add cursor below: Ctrl+Alt+Down |
| 2125 | (Key::Down, Modifiers { ctrl: true, alt: true, .. }) => self.add_cursor_below(), |
| 2126 | |
| 2127 | // === Line operations (must come before movement to capture Alt+arrows) === |
| 2128 | // Move line up/down: Alt+Up/Down |
| 2129 | (Key::Up, Modifiers { alt: true, shift: false, .. }) => self.move_line_up(), |
| 2130 | (Key::Down, Modifiers { alt: true, shift: false, .. }) => self.move_line_down(), |
| 2131 | // Duplicate line: Alt+Shift+Up/Down |
| 2132 | (Key::Up, Modifiers { alt: true, shift: true, .. }) => self.duplicate_line_up(), |
| 2133 | (Key::Down, Modifiers { alt: true, shift: true, .. }) => self.duplicate_line_down(), |
| 2134 | |
| 2135 | // Word movement: Alt+Left/Right |
| 2136 | (Key::Left, Modifiers { alt: true, shift, .. }) => self.move_word_left(*shift), |
| 2137 | (Key::Right, Modifiers { alt: true, shift, .. }) => self.move_word_right(*shift), |
| 2138 | // Unix-style word movement: Alt+B (back), Alt+F (forward) |
| 2139 | (Key::Char('b'), Modifiers { alt: true, .. }) => self.move_word_left(false), |
| 2140 | (Key::Char('f'), Modifiers { alt: true, .. }) => self.move_word_right(false), |
| 2141 | |
| 2142 | // === Movement with selection === |
| 2143 | (Key::Up, Modifiers { shift, .. }) => self.move_up(*shift), |
| 2144 | (Key::Down, Modifiers { shift, .. }) => self.move_down(*shift), |
| 2145 | (Key::Left, Modifiers { shift, .. }) => self.move_left(*shift), |
| 2146 | (Key::Right, Modifiers { shift, .. }) => self.move_right(*shift), |
| 2147 | |
| 2148 | // Home/End |
| 2149 | (Key::Home, Modifiers { shift, .. }) => self.move_home(*shift), |
| 2150 | (Key::End, Modifiers { shift, .. }) => self.move_end(*shift), |
| 2151 | (Key::Char('a'), Modifiers { ctrl: true, shift, .. }) => self.smart_home(*shift), |
| 2152 | (Key::Char('e'), Modifiers { ctrl: true, shift, .. }) => self.move_end(*shift), |
| 2153 | |
| 2154 | // Page movement |
| 2155 | (Key::PageUp, Modifiers { shift, .. }) => self.page_up(*shift), |
| 2156 | (Key::PageDown, Modifiers { shift, .. }) => self.page_down(*shift), |
| 2157 | |
| 2158 | // Join lines: Ctrl+J |
| 2159 | (Key::Char('j'), Modifiers { ctrl: true, .. }) => self.join_lines(), |
| 2160 | |
| 2161 | // Toggle line comment: Ctrl+/ |
| 2162 | // Different terminals send: Ctrl+/, Ctrl+_, \x1f (ASCII 31), or Ctrl+7 |
| 2163 | (Key::Char('/'), Modifiers { ctrl: true, .. }) |
| 2164 | | (Key::Char('_'), Modifiers { ctrl: true, .. }) |
| 2165 | | (Key::Char('\x1f'), _) |
| 2166 | | (Key::Char('7'), Modifiers { ctrl: true, .. }) => self.toggle_line_comment(), |
| 2167 | |
| 2168 | // Select line: Ctrl+L |
| 2169 | (Key::Char('l'), Modifiers { ctrl: true, .. }) => self.select_line(), |
| 2170 | // Select word: Ctrl+D (select word at cursor, or next occurrence if already selected) |
| 2171 | (Key::Char('d'), Modifiers { ctrl: true, .. }) => self.select_word(), |
| 2172 | |
| 2173 | // === Find/Replace === |
| 2174 | // Find: Ctrl+F |
| 2175 | (Key::Char('f'), Modifiers { ctrl: true, .. }) => self.open_find(), |
| 2176 | // Replace: Ctrl+R (or Ctrl+H for compatibility) |
| 2177 | (Key::Char('r'), Modifiers { ctrl: true, .. }) | |
| 2178 | (Key::Char('h'), Modifiers { ctrl: true, alt: true, .. }) => self.open_replace(), |
| 2179 | // Find next: F3 |
| 2180 | (Key::F(3), Modifiers { shift: false, .. }) => self.find_next(), |
| 2181 | // Find previous: Shift+F3 |
| 2182 | (Key::F(3), Modifiers { shift: true, .. }) => self.find_prev(), |
| 2183 | |
| 2184 | // === File operations === |
| 2185 | // Open file browser (Fortress mode): Ctrl+O |
| 2186 | (Key::Char('o'), Modifiers { ctrl: true, .. }) => self.open_fortress(), |
| 2187 | // Go to line: Ctrl+G or F5 |
| 2188 | (Key::Char('g'), Modifiers { ctrl: true, .. }) | |
| 2189 | (Key::F(5), _) => self.open_goto_line(), |
| 2190 | // Multi-file search: F4 |
| 2191 | (Key::F(4), _) => self.open_file_search(), |
| 2192 | // Command palette: Ctrl+P |
| 2193 | (Key::Char('p'), Modifiers { ctrl: true, .. }) => self.open_command_palette(), |
| 2194 | |
| 2195 | // === Editing === |
| 2196 | (Key::Char(c), Modifiers { ctrl: false, alt: false, .. }) => { |
| 2197 | self.insert_char(*c); |
| 2198 | } |
| 2199 | (Key::Enter, _) => self.insert_newline(), |
| 2200 | (Key::Backspace, Modifiers { alt: true, .. }) => self.delete_word_backward(), |
| 2201 | (Key::Backspace, _) | (Key::Char('h'), Modifiers { ctrl: true, .. }) => { |
| 2202 | self.delete_backward(); |
| 2203 | } |
| 2204 | (Key::Delete, _) => self.delete_forward(), |
| 2205 | (Key::Tab, _) => self.insert_tab(), |
| 2206 | (Key::BackTab, _) => self.dedent(), |
| 2207 | |
| 2208 | // Delete word backward: Ctrl+W |
| 2209 | (Key::Char('w'), Modifiers { ctrl: true, .. }) => self.delete_word_backward(), |
| 2210 | // Delete word forward: Alt+D |
| 2211 | (Key::Char('d'), Modifiers { alt: true, .. }) => self.delete_word_forward(), |
| 2212 | |
| 2213 | // Unix-style kill commands |
| 2214 | // Kill to end of line: Ctrl+K |
| 2215 | (Key::Char('k'), Modifiers { ctrl: true, .. }) => self.kill_to_end_of_line(), |
| 2216 | // Kill to start of line: Ctrl+U |
| 2217 | (Key::Char('u'), Modifiers { ctrl: true, .. }) => self.kill_to_start_of_line(), |
| 2218 | // Yank from kill ring: Ctrl+Y |
| 2219 | (Key::Char('y'), Modifiers { ctrl: true, .. }) => self.yank(), |
| 2220 | // Cycle yank stack: Alt+Y |
| 2221 | (Key::Char('y'), Modifiers { alt: true, .. }) => self.yank_cycle(), |
| 2222 | |
| 2223 | // Character transpose: Ctrl+T |
| 2224 | (Key::Char('t'), Modifiers { ctrl: true, .. }) => self.transpose_chars(), |
| 2225 | |
| 2226 | // === Bracket/Quote operations === |
| 2227 | // Jump to matching bracket: Alt+[ or Alt+] |
| 2228 | (Key::Char('['), Modifiers { alt: true, .. }) | |
| 2229 | (Key::Char(']'), Modifiers { alt: true, .. }) => self.jump_to_matching_bracket(), |
| 2230 | // Cycle quotes: Alt+' (cycles " -> ' -> ` -> ") |
| 2231 | (Key::Char('\''), Modifiers { alt: true, shift: false, .. }) => self.cycle_quotes(), |
| 2232 | // Remove surrounding quotes/brackets: Alt+Shift+' (Alt+") |
| 2233 | (Key::Char('"'), Modifiers { alt: true, .. }) => self.remove_surrounding(), |
| 2234 | // Cycle bracket type: Alt+Shift+9 (cycles ( -> { -> [ -> () |
| 2235 | (Key::Char('('), Modifiers { alt: true, .. }) => self.cycle_brackets(), |
| 2236 | // Remove surrounding brackets: Alt+Shift+0 |
| 2237 | (Key::Char(')'), Modifiers { alt: true, .. }) => self.remove_surrounding_brackets(), |
| 2238 | |
| 2239 | // === Pane operations === |
| 2240 | // Split vertical: Alt+V |
| 2241 | (Key::Char('v'), Modifiers { alt: true, .. }) => { |
| 2242 | self.split_vertical(); |
| 2243 | } |
| 2244 | // Split horizontal: Alt+S |
| 2245 | (Key::Char('s'), Modifiers { alt: true, .. }) => { |
| 2246 | self.split_horizontal(); |
| 2247 | } |
| 2248 | // Close pane/tab: Alt+Q |
| 2249 | (Key::Char('q'), Modifiers { alt: true, .. }) => { |
| 2250 | self.close_pane(); |
| 2251 | } |
| 2252 | // Navigate panes: Alt+H/J/K/L (vim-style) |
| 2253 | (Key::Char('h'), Modifiers { alt: true, .. }) => { |
| 2254 | self.navigate_pane_left(); |
| 2255 | } |
| 2256 | (Key::Char('j'), Modifiers { alt: true, .. }) => { |
| 2257 | self.navigate_pane_down(); |
| 2258 | } |
| 2259 | (Key::Char('k'), Modifiers { alt: true, .. }) => { |
| 2260 | self.navigate_pane_up(); |
| 2261 | } |
| 2262 | (Key::Char('l'), Modifiers { alt: true, .. }) => { |
| 2263 | self.navigate_pane_right(); |
| 2264 | } |
| 2265 | // Next/Prev pane: Alt+N / Alt+P |
| 2266 | (Key::Char('n'), Modifiers { alt: true, .. }) => { |
| 2267 | self.next_pane(); |
| 2268 | } |
| 2269 | (Key::Char('p'), Modifiers { alt: true, .. }) => { |
| 2270 | self.prev_pane(); |
| 2271 | } |
| 2272 | |
| 2273 | // === Tab operations === |
| 2274 | // Switch to tab by number: Alt+1-9 |
| 2275 | (Key::Char('1'), Modifiers { alt: true, .. }) => self.workspace.switch_to_tab(0), |
| 2276 | (Key::Char('2'), Modifiers { alt: true, .. }) => self.workspace.switch_to_tab(1), |
| 2277 | (Key::Char('3'), Modifiers { alt: true, .. }) => self.workspace.switch_to_tab(2), |
| 2278 | (Key::Char('4'), Modifiers { alt: true, .. }) => self.workspace.switch_to_tab(3), |
| 2279 | (Key::Char('5'), Modifiers { alt: true, .. }) => self.workspace.switch_to_tab(4), |
| 2280 | (Key::Char('6'), Modifiers { alt: true, .. }) => self.workspace.switch_to_tab(5), |
| 2281 | (Key::Char('7'), Modifiers { alt: true, .. }) => self.workspace.switch_to_tab(6), |
| 2282 | (Key::Char('8'), Modifiers { alt: true, .. }) => self.workspace.switch_to_tab(7), |
| 2283 | (Key::Char('9'), Modifiers { alt: true, .. }) => self.workspace.switch_to_tab(8), |
| 2284 | // Next/Prev tab: Alt+. / Alt+, |
| 2285 | (Key::Char('.'), Modifiers { alt: true, .. }) => self.workspace.next_tab(), |
| 2286 | (Key::Char(','), Modifiers { alt: true, .. }) => self.workspace.prev_tab(), |
| 2287 | // New tab: Alt+T |
| 2288 | (Key::Char('t'), Modifiers { alt: true, .. }) => self.workspace.new_tab(), |
| 2289 | |
| 2290 | // === LSP operations === |
| 2291 | // Go to definition: F12 |
| 2292 | (Key::F(12), Modifiers { shift: false, .. }) => self.lsp_goto_definition(), |
| 2293 | // Find references: Shift+F12 |
| 2294 | (Key::F(12), Modifiers { shift: true, .. }) => self.lsp_find_references(), |
| 2295 | // Hover info: F1 |
| 2296 | (Key::F(1), Modifiers { shift: false, .. }) => self.lsp_hover(), |
| 2297 | // Code completion: Ctrl+N (vim-style) |
| 2298 | (Key::Char('n'), Modifiers { ctrl: true, .. }) => self.lsp_complete(), |
| 2299 | // Rename: F2 |
| 2300 | (Key::F(2), _) => self.lsp_rename(), |
| 2301 | // Server manager: Alt+M |
| 2302 | (Key::Char('m'), Modifiers { alt: true, .. }) => self.toggle_server_manager(), |
| 2303 | |
| 2304 | // === Help === |
| 2305 | // Help / keybindings: Shift+F1 |
| 2306 | (Key::F(1), Modifiers { shift: true, .. }) => self.open_help_menu(), |
| 2307 | |
| 2308 | _ => {} |
| 2309 | } |
| 2310 | |
| 2311 | // Check if buffer was edited and needs backup |
| 2312 | self.on_buffer_edit(); |
| 2313 | |
| 2314 | self.scroll_to_cursor(); |
| 2315 | Ok(()) |
| 2316 | } |
| 2317 | |
| 2318 | // === Cursor helpers === |
| 2319 | |
| 2320 | /// Get reference to primary cursor |
| 2321 | fn cursor(&self) -> &Cursor { |
| 2322 | self.cursors().primary() |
| 2323 | } |
| 2324 | |
| 2325 | /// Get mutable reference to primary cursor |
| 2326 | fn cursor_mut(&mut self) -> &mut Cursor { |
| 2327 | self.cursors_mut().primary_mut() |
| 2328 | } |
| 2329 | |
| 2330 | // === Multi-cursor operations === |
| 2331 | |
| 2332 | /// Add a cursor on the line above the topmost cursor |
| 2333 | fn add_cursor_above(&mut self) { |
| 2334 | // Find the topmost cursor |
| 2335 | let topmost = self.cursors().all().iter().map(|c| c.line).min().unwrap_or(0); |
| 2336 | let col = self.cursors().primary().col; |
| 2337 | |
| 2338 | if topmost > 0 { |
| 2339 | let new_line = topmost - 1; |
| 2340 | let line_len = self.buffer().line_len(new_line); |
| 2341 | let new_col = col.min(line_len); |
| 2342 | self.cursors_mut().add(new_line, new_col); |
| 2343 | } |
| 2344 | } |
| 2345 | |
| 2346 | /// Add a cursor on the line below the bottommost cursor |
| 2347 | fn add_cursor_below(&mut self) { |
| 2348 | // Find the bottommost cursor |
| 2349 | let bottommost = self.cursors().all().iter().map(|c| c.line).max().unwrap_or(0); |
| 2350 | let col = self.cursors().primary().col; |
| 2351 | let line_count = self.buffer().line_count(); |
| 2352 | |
| 2353 | if bottommost + 1 < line_count { |
| 2354 | let new_line = bottommost + 1; |
| 2355 | let line_len = self.buffer().line_len(new_line); |
| 2356 | let new_col = col.min(line_len); |
| 2357 | self.cursors_mut().add(new_line, new_col); |
| 2358 | } |
| 2359 | } |
| 2360 | |
| 2361 | /// Toggle cursor at position (for Ctrl+click) |
| 2362 | /// Returns true if cursor was added, false if removed |
| 2363 | fn toggle_cursor_at(&mut self, line: usize, col: usize) -> bool { |
| 2364 | self.cursors_mut().toggle_at(line, col) |
| 2365 | } |
| 2366 | |
| 2367 | // === Movement === |
| 2368 | |
| 2369 | fn move_up(&mut self, extend_selection: bool) { |
| 2370 | // Get line lengths we need before borrowing cursors mutably |
| 2371 | let line_count = self.buffer().line_count(); |
| 2372 | let line_lens: Vec<usize> = (0..line_count).map(|l| self.buffer().line_len(l)).collect(); |
| 2373 | |
| 2374 | // Apply to all cursors |
| 2375 | for cursor in self.cursors_mut().all_mut() { |
| 2376 | if cursor.line > 0 { |
| 2377 | let new_line = cursor.line - 1; |
| 2378 | let line_len = line_lens.get(new_line).copied().unwrap_or(0); |
| 2379 | let new_col = cursor.desired_col.min(line_len); |
| 2380 | cursor.move_to(new_line, new_col, extend_selection); |
| 2381 | } else { |
| 2382 | // On first line, move to start of line |
| 2383 | cursor.move_to(0, 0, extend_selection); |
| 2384 | } |
| 2385 | } |
| 2386 | self.cursors_mut().merge_overlapping(); |
| 2387 | } |
| 2388 | |
| 2389 | fn move_down(&mut self, extend_selection: bool) { |
| 2390 | let line_count = self.buffer().line_count(); |
| 2391 | let line_lens: Vec<usize> = (0..line_count).map(|l| self.buffer().line_len(l)).collect(); |
| 2392 | |
| 2393 | for cursor in self.cursors_mut().all_mut() { |
| 2394 | if cursor.line + 1 < line_count { |
| 2395 | let new_line = cursor.line + 1; |
| 2396 | let line_len = line_lens.get(new_line).copied().unwrap_or(0); |
| 2397 | let new_col = cursor.desired_col.min(line_len); |
| 2398 | cursor.move_to(new_line, new_col, extend_selection); |
| 2399 | } else { |
| 2400 | // On last line, move to end of line |
| 2401 | let line_len = line_lens.get(cursor.line).copied().unwrap_or(0); |
| 2402 | cursor.move_to(cursor.line, line_len, extend_selection); |
| 2403 | } |
| 2404 | } |
| 2405 | self.cursors_mut().merge_overlapping(); |
| 2406 | } |
| 2407 | |
| 2408 | fn move_left(&mut self, extend_selection: bool) { |
| 2409 | let line_count = self.buffer().line_count(); |
| 2410 | let line_lens: Vec<usize> = (0..line_count).map(|l| self.buffer().line_len(l)).collect(); |
| 2411 | |
| 2412 | for cursor in self.cursors_mut().all_mut() { |
| 2413 | if cursor.col > 0 { |
| 2414 | cursor.move_to(cursor.line, cursor.col - 1, extend_selection); |
| 2415 | cursor.desired_col = cursor.col; |
| 2416 | } else if cursor.line > 0 { |
| 2417 | let new_line = cursor.line - 1; |
| 2418 | let new_col = line_lens.get(new_line).copied().unwrap_or(0); |
| 2419 | cursor.move_to(new_line, new_col, extend_selection); |
| 2420 | cursor.desired_col = cursor.col; |
| 2421 | } |
| 2422 | } |
| 2423 | self.cursors_mut().merge_overlapping(); |
| 2424 | } |
| 2425 | |
| 2426 | fn move_right(&mut self, extend_selection: bool) { |
| 2427 | let line_count = self.buffer().line_count(); |
| 2428 | let line_lens: Vec<usize> = (0..line_count).map(|l| self.buffer().line_len(l)).collect(); |
| 2429 | |
| 2430 | for cursor in self.cursors_mut().all_mut() { |
| 2431 | let line_len = line_lens.get(cursor.line).copied().unwrap_or(0); |
| 2432 | if cursor.col < line_len { |
| 2433 | cursor.move_to(cursor.line, cursor.col + 1, extend_selection); |
| 2434 | cursor.desired_col = cursor.col; |
| 2435 | } else if cursor.line + 1 < line_count { |
| 2436 | cursor.move_to(cursor.line + 1, 0, extend_selection); |
| 2437 | cursor.desired_col = 0; |
| 2438 | } |
| 2439 | } |
| 2440 | self.cursors_mut().merge_overlapping(); |
| 2441 | } |
| 2442 | |
| 2443 | fn move_word_left(&mut self, extend_selection: bool) { |
| 2444 | // Collect line data before borrowing cursors mutably |
| 2445 | let line_count = self.buffer().line_count(); |
| 2446 | let line_lens: Vec<usize> = (0..line_count).map(|l| self.buffer().line_len(l)).collect(); |
| 2447 | let line_strs: Vec<String> = (0..line_count) |
| 2448 | .map(|l| self.buffer().line_str(l).unwrap_or_default()) |
| 2449 | .collect(); |
| 2450 | |
| 2451 | for cursor in self.cursors_mut().all_mut() { |
| 2452 | let (mut line, mut col) = (cursor.line, cursor.col); |
| 2453 | |
| 2454 | // If at start of line, go to end of previous line |
| 2455 | if col == 0 && line > 0 { |
| 2456 | line -= 1; |
| 2457 | col = line_lens.get(line).copied().unwrap_or(0); |
| 2458 | } |
| 2459 | |
| 2460 | if let Some(line_str) = line_strs.get(line) { |
| 2461 | let chars: Vec<char> = line_str.chars().collect(); |
| 2462 | if col > 0 { |
| 2463 | col = col.min(chars.len()); |
| 2464 | // Skip whitespace |
| 2465 | while col > 0 && chars.get(col - 1).map_or(false, |c| c.is_whitespace()) { |
| 2466 | col -= 1; |
| 2467 | } |
| 2468 | // Determine what kind of characters to skip based on char before cursor |
| 2469 | if col > 0 { |
| 2470 | let prev_char = chars[col - 1]; |
| 2471 | if is_word_char(prev_char) { |
| 2472 | // Skip word characters |
| 2473 | while col > 0 && chars.get(col - 1).map_or(false, |c| is_word_char(*c)) { |
| 2474 | col -= 1; |
| 2475 | } |
| 2476 | } else { |
| 2477 | // Skip punctuation/symbols |
| 2478 | while col > 0 && chars.get(col - 1).map_or(false, |c| !is_word_char(*c) && !c.is_whitespace()) { |
| 2479 | col -= 1; |
| 2480 | } |
| 2481 | } |
| 2482 | } |
| 2483 | } |
| 2484 | } |
| 2485 | |
| 2486 | cursor.move_to(line, col, extend_selection); |
| 2487 | cursor.desired_col = col; |
| 2488 | } |
| 2489 | self.cursors_mut().merge_overlapping(); |
| 2490 | } |
| 2491 | |
| 2492 | fn move_word_right(&mut self, extend_selection: bool) { |
| 2493 | let line_count = self.buffer().line_count(); |
| 2494 | let line_lens: Vec<usize> = (0..line_count).map(|l| self.buffer().line_len(l)).collect(); |
| 2495 | let line_strs: Vec<String> = (0..line_count) |
| 2496 | .map(|l| self.buffer().line_str(l).unwrap_or_default()) |
| 2497 | .collect(); |
| 2498 | |
| 2499 | for cursor in self.cursors_mut().all_mut() { |
| 2500 | let (mut line, mut col) = (cursor.line, cursor.col); |
| 2501 | let line_len = line_lens.get(line).copied().unwrap_or(0); |
| 2502 | |
| 2503 | // If at end of line, go to start of next line |
| 2504 | if col >= line_len && line + 1 < line_count { |
| 2505 | line += 1; |
| 2506 | col = 0; |
| 2507 | } |
| 2508 | |
| 2509 | if let Some(line_str) = line_strs.get(line) { |
| 2510 | let chars: Vec<char> = line_str.chars().collect(); |
| 2511 | if col < chars.len() { |
| 2512 | let curr_char = chars[col]; |
| 2513 | if is_word_char(curr_char) { |
| 2514 | // Skip word characters |
| 2515 | while col < chars.len() && chars.get(col).map_or(false, |c| is_word_char(*c)) { |
| 2516 | col += 1; |
| 2517 | } |
| 2518 | } else if !curr_char.is_whitespace() { |
| 2519 | // Skip punctuation/symbols |
| 2520 | while col < chars.len() && chars.get(col).map_or(false, |c| !is_word_char(*c) && !c.is_whitespace()) { |
| 2521 | col += 1; |
| 2522 | } |
| 2523 | } |
| 2524 | } |
| 2525 | // Skip whitespace |
| 2526 | while col < chars.len() && chars.get(col).map_or(false, |c| c.is_whitespace()) { |
| 2527 | col += 1; |
| 2528 | } |
| 2529 | } |
| 2530 | |
| 2531 | cursor.move_to(line, col, extend_selection); |
| 2532 | cursor.desired_col = col; |
| 2533 | } |
| 2534 | self.cursors_mut().merge_overlapping(); |
| 2535 | } |
| 2536 | |
| 2537 | fn move_home(&mut self, extend_selection: bool) { |
| 2538 | for cursor in self.cursors_mut().all_mut() { |
| 2539 | let line = cursor.line; |
| 2540 | cursor.move_to(line, 0, extend_selection); |
| 2541 | cursor.desired_col = 0; |
| 2542 | } |
| 2543 | self.cursors_mut().merge_overlapping(); |
| 2544 | } |
| 2545 | |
| 2546 | fn smart_home(&mut self, extend_selection: bool) { |
| 2547 | // Toggle between column 0 and first non-whitespace |
| 2548 | let line_count = self.buffer().line_count(); |
| 2549 | let line_strs: Vec<String> = (0..line_count) |
| 2550 | .map(|l| self.buffer().line_str(l).unwrap_or_default()) |
| 2551 | .collect(); |
| 2552 | |
| 2553 | for cursor in self.cursors_mut().all_mut() { |
| 2554 | let line = cursor.line; |
| 2555 | let col = cursor.col; |
| 2556 | if let Some(line_str) = line_strs.get(line) { |
| 2557 | let first_non_ws = line_str.chars().position(|c| !c.is_whitespace()).unwrap_or(0); |
| 2558 | let new_col = if col == first_non_ws || col == 0 { |
| 2559 | if col == 0 { first_non_ws } else { 0 } |
| 2560 | } else { |
| 2561 | first_non_ws |
| 2562 | }; |
| 2563 | cursor.move_to(line, new_col, extend_selection); |
| 2564 | cursor.desired_col = new_col; |
| 2565 | } |
| 2566 | } |
| 2567 | self.cursors_mut().merge_overlapping(); |
| 2568 | } |
| 2569 | |
| 2570 | fn move_end(&mut self, extend_selection: bool) { |
| 2571 | let line_count = self.buffer().line_count(); |
| 2572 | let line_lens: Vec<usize> = (0..line_count).map(|l| self.buffer().line_len(l)).collect(); |
| 2573 | |
| 2574 | for cursor in self.cursors_mut().all_mut() { |
| 2575 | let line = cursor.line; |
| 2576 | let line_len = line_lens.get(line).copied().unwrap_or(0); |
| 2577 | cursor.move_to(line, line_len, extend_selection); |
| 2578 | cursor.desired_col = line_len; |
| 2579 | } |
| 2580 | self.cursors_mut().merge_overlapping(); |
| 2581 | } |
| 2582 | |
| 2583 | fn page_up(&mut self, extend_selection: bool) { |
| 2584 | let page = self.screen.rows.saturating_sub(2) as usize; |
| 2585 | let line_count = self.buffer().line_count(); |
| 2586 | let line_lens: Vec<usize> = (0..line_count).map(|l| self.buffer().line_len(l)).collect(); |
| 2587 | |
| 2588 | for cursor in self.cursors_mut().all_mut() { |
| 2589 | let new_line = cursor.line.saturating_sub(page); |
| 2590 | let line_len = line_lens.get(new_line).copied().unwrap_or(0); |
| 2591 | let new_col = cursor.desired_col.min(line_len); |
| 2592 | cursor.move_to(new_line, new_col, extend_selection); |
| 2593 | } |
| 2594 | self.cursors_mut().merge_overlapping(); |
| 2595 | } |
| 2596 | |
| 2597 | fn page_down(&mut self, extend_selection: bool) { |
| 2598 | let page = self.screen.rows.saturating_sub(2) as usize; |
| 2599 | let line_count = self.buffer().line_count(); |
| 2600 | let max_line = line_count.saturating_sub(1); |
| 2601 | let line_lens: Vec<usize> = (0..line_count).map(|l| self.buffer().line_len(l)).collect(); |
| 2602 | |
| 2603 | for cursor in self.cursors_mut().all_mut() { |
| 2604 | let new_line = (cursor.line + page).min(max_line); |
| 2605 | let line_len = line_lens.get(new_line).copied().unwrap_or(0); |
| 2606 | let new_col = cursor.desired_col.min(line_len); |
| 2607 | cursor.move_to(new_line, new_col, extend_selection); |
| 2608 | } |
| 2609 | self.cursors_mut().merge_overlapping(); |
| 2610 | } |
| 2611 | |
| 2612 | // === Selection === |
| 2613 | |
| 2614 | fn select_line(&mut self) { |
| 2615 | // Select the entire current line (including newline if not last line) |
| 2616 | let line_len = self.buffer().line_len(self.cursor().line); |
| 2617 | self.cursor_mut().anchor_line = self.cursor().line; |
| 2618 | self.cursor_mut().anchor_col = 0; |
| 2619 | self.cursor_mut().col = line_len; |
| 2620 | self.cursor_mut().desired_col = line_len; |
| 2621 | self.cursor_mut().selecting = true; |
| 2622 | } |
| 2623 | |
| 2624 | fn select_word(&mut self) { |
| 2625 | // If primary cursor has a selection, find next occurrence and add cursor there |
| 2626 | if self.cursor().has_selection() { |
| 2627 | self.select_next_occurrence(); |
| 2628 | return; |
| 2629 | } |
| 2630 | |
| 2631 | // No selection - select word at cursor |
| 2632 | if let Some(line_str) = self.buffer().line_str(self.cursor().line) { |
| 2633 | let chars: Vec<char> = line_str.chars().collect(); |
| 2634 | let col = self.cursor().col.min(chars.len()); |
| 2635 | |
| 2636 | // Find word boundaries |
| 2637 | let mut start = col; |
| 2638 | let mut end = col; |
| 2639 | |
| 2640 | // If cursor is on a word char, expand to word boundaries |
| 2641 | if col < chars.len() && is_word_char(chars[col]) { |
| 2642 | // Expand left |
| 2643 | while start > 0 && is_word_char(chars[start - 1]) { |
| 2644 | start -= 1; |
| 2645 | } |
| 2646 | // Expand right |
| 2647 | while end < chars.len() && is_word_char(chars[end]) { |
| 2648 | end += 1; |
| 2649 | } |
| 2650 | } else if col > 0 && is_word_char(chars[col - 1]) { |
| 2651 | // Cursor is just after a word |
| 2652 | end = col; |
| 2653 | start = col - 1; |
| 2654 | while start > 0 && is_word_char(chars[start - 1]) { |
| 2655 | start -= 1; |
| 2656 | } |
| 2657 | } |
| 2658 | |
| 2659 | if start < end { |
| 2660 | self.cursor_mut().anchor_line = self.cursor().line; |
| 2661 | self.cursor_mut().anchor_col = start; |
| 2662 | self.cursor_mut().col = end; |
| 2663 | self.cursor_mut().desired_col = end; |
| 2664 | self.cursor_mut().selecting = true; |
| 2665 | } |
| 2666 | } |
| 2667 | } |
| 2668 | |
| 2669 | /// Find the next occurrence of the selected text and add a cursor there |
| 2670 | fn select_next_occurrence(&mut self) { |
| 2671 | // Get the selected text from primary cursor |
| 2672 | let selected_text = { |
| 2673 | let cursor = self.cursor(); |
| 2674 | if !cursor.has_selection() { |
| 2675 | return; |
| 2676 | } |
| 2677 | let (start, end) = cursor.selection().ordered(); |
| 2678 | let buffer = self.buffer(); |
| 2679 | |
| 2680 | // Extract selected text |
| 2681 | let mut text = String::new(); |
| 2682 | for line_idx in start.line..=end.line { |
| 2683 | if let Some(line) = buffer.line_str(line_idx) { |
| 2684 | let line_start = if line_idx == start.line { start.col } else { 0 }; |
| 2685 | let line_end = if line_idx == end.line { end.col } else { line.len() }; |
| 2686 | if line_start < line_end && line_end <= line.len() { |
| 2687 | text.push_str(&line[line_start..line_end]); |
| 2688 | } |
| 2689 | if line_idx < end.line { |
| 2690 | text.push('\n'); |
| 2691 | } |
| 2692 | } |
| 2693 | } |
| 2694 | text |
| 2695 | }; |
| 2696 | |
| 2697 | if selected_text.is_empty() { |
| 2698 | return; |
| 2699 | } |
| 2700 | |
| 2701 | // Find the position to start searching from (after the last cursor with this selection) |
| 2702 | let search_start = { |
| 2703 | let cursors = self.cursors(); |
| 2704 | let mut max_pos = (0usize, 0usize); |
| 2705 | for cursor in cursors.all() { |
| 2706 | if cursor.has_selection() { |
| 2707 | let (_, end) = cursor.selection().ordered(); |
| 2708 | if (end.line, end.col) > max_pos { |
| 2709 | max_pos = (end.line, end.col); |
| 2710 | } |
| 2711 | } |
| 2712 | } |
| 2713 | max_pos |
| 2714 | }; |
| 2715 | |
| 2716 | // Search for next occurrence |
| 2717 | let buffer = self.buffer(); |
| 2718 | let line_count = buffer.line_count(); |
| 2719 | let search_text = &selected_text; |
| 2720 | |
| 2721 | // Start searching from the line after the last selection end |
| 2722 | for line_idx in search_start.0..line_count { |
| 2723 | if let Some(line) = buffer.line_str(line_idx) { |
| 2724 | let start_col = if line_idx == search_start.0 { search_start.1 } else { 0 }; |
| 2725 | |
| 2726 | // Search for the text in this line (only works for single-line selections for now) |
| 2727 | if !search_text.contains('\n') { |
| 2728 | if let Some(found_col) = line[start_col..].find(search_text) { |
| 2729 | let match_start = start_col + found_col; |
| 2730 | let match_end = match_start + search_text.len(); |
| 2731 | |
| 2732 | // Add a new cursor with selection at this location |
| 2733 | self.cursors_mut().add_with_selection( |
| 2734 | line_idx, |
| 2735 | match_end, |
| 2736 | line_idx, |
| 2737 | match_start, |
| 2738 | ); |
| 2739 | return; |
| 2740 | } |
| 2741 | } |
| 2742 | } |
| 2743 | } |
| 2744 | |
| 2745 | // Wrap around to beginning if not found |
| 2746 | for line_idx in 0..=search_start.0 { |
| 2747 | if let Some(line) = buffer.line_str(line_idx) { |
| 2748 | let end_col = if line_idx == search_start.0 { |
| 2749 | // Don't search past where we started |
| 2750 | search_start.1.saturating_sub(search_text.len()) |
| 2751 | } else { |
| 2752 | line.len() |
| 2753 | }; |
| 2754 | |
| 2755 | if !search_text.contains('\n') { |
| 2756 | if let Some(found_col) = line[..end_col].find(search_text) { |
| 2757 | let match_start = found_col; |
| 2758 | let match_end = match_start + search_text.len(); |
| 2759 | |
| 2760 | // Check if this position already has a cursor |
| 2761 | let already_has_cursor = self.cursors().all().iter().any(|c| { |
| 2762 | c.line == line_idx && c.col == match_end |
| 2763 | }); |
| 2764 | |
| 2765 | if !already_has_cursor { |
| 2766 | self.cursors_mut().add_with_selection( |
| 2767 | line_idx, |
| 2768 | match_end, |
| 2769 | line_idx, |
| 2770 | match_start, |
| 2771 | ); |
| 2772 | return; |
| 2773 | } |
| 2774 | } |
| 2775 | } |
| 2776 | } |
| 2777 | } |
| 2778 | |
| 2779 | // No more occurrences found |
| 2780 | self.message = Some("No more occurrences".to_string()); |
| 2781 | } |
| 2782 | |
| 2783 | // === Bracket/Quote Operations === |
| 2784 | |
| 2785 | fn jump_to_matching_bracket(&mut self) { |
| 2786 | // First check if cursor is on a bracket |
| 2787 | if let Some((line, col)) = self.buffer().find_matching_bracket(self.cursor().line, self.cursor().col) { |
| 2788 | self.cursor_mut().clear_selection(); |
| 2789 | self.cursor_mut().line = line; |
| 2790 | self.cursor_mut().col = col; |
| 2791 | self.cursor_mut().desired_col = col; |
| 2792 | return; |
| 2793 | } |
| 2794 | |
| 2795 | // If not on a bracket, find surrounding brackets and jump to opening |
| 2796 | if let Some((open_idx, close_idx, _, _)) = self.buffer().find_surrounding_brackets(self.cursor().line, self.cursor().col) { |
| 2797 | let cursor_idx = self.buffer().line_col_to_char(self.cursor().line, self.cursor().col); |
| 2798 | // Jump to whichever bracket we're not at |
| 2799 | let (target_line, target_col) = if cursor_idx == open_idx + 1 { |
| 2800 | self.buffer().char_to_line_col(close_idx) |
| 2801 | } else { |
| 2802 | self.buffer().char_to_line_col(open_idx) |
| 2803 | }; |
| 2804 | self.cursor_mut().clear_selection(); |
| 2805 | self.cursor_mut().line = target_line; |
| 2806 | self.cursor_mut().col = target_col; |
| 2807 | self.cursor_mut().desired_col = target_col; |
| 2808 | } |
| 2809 | } |
| 2810 | |
| 2811 | fn cycle_quotes(&mut self) { |
| 2812 | // Find surrounding quotes (across lines) and cycle: " -> ' -> ` -> " |
| 2813 | if let Some((open_idx, close_idx, quote_char)) = self.buffer().find_surrounding_quotes(self.cursor().line, self.cursor().col) { |
| 2814 | let new_quote = match quote_char { |
| 2815 | '"' => '\'', |
| 2816 | '\'' => '`', |
| 2817 | '`' => '"', |
| 2818 | _ => return, |
| 2819 | }; |
| 2820 | |
| 2821 | let cursor_before = self.cursor_pos(); |
| 2822 | self.history_mut().begin_group(); |
| 2823 | |
| 2824 | // Replace closing quote first (to maintain positions) |
| 2825 | self.buffer_mut().delete(close_idx, close_idx + 1); |
| 2826 | self.buffer_mut().insert(close_idx, &new_quote.to_string()); |
| 2827 | self.history_mut().record_delete(close_idx, quote_char.to_string(), cursor_before, cursor_before); |
| 2828 | self.history_mut().record_insert(close_idx, new_quote.to_string(), cursor_before, cursor_before); |
| 2829 | |
| 2830 | // Replace opening quote |
| 2831 | self.buffer_mut().delete(open_idx, open_idx + 1); |
| 2832 | self.buffer_mut().insert(open_idx, &new_quote.to_string()); |
| 2833 | self.history_mut().record_delete(open_idx, quote_char.to_string(), cursor_before, cursor_before); |
| 2834 | self.history_mut().record_insert(open_idx, new_quote.to_string(), cursor_before, cursor_before); |
| 2835 | |
| 2836 | self.history_mut().end_group(); |
| 2837 | } |
| 2838 | } |
| 2839 | |
| 2840 | fn cycle_brackets(&mut self) { |
| 2841 | // Find surrounding brackets (across lines) and cycle: ( -> { -> [ -> ( |
| 2842 | if let Some((open_idx, close_idx, open, close)) = self.buffer().find_surrounding_brackets(self.cursor().line, self.cursor().col) { |
| 2843 | let (new_open, new_close) = match open { |
| 2844 | '(' => ('{', '}'), |
| 2845 | '{' => ('[', ']'), |
| 2846 | '[' => ('(', ')'), |
| 2847 | _ => return, |
| 2848 | }; |
| 2849 | |
| 2850 | let cursor_before = self.cursor_pos(); |
| 2851 | self.history_mut().begin_group(); |
| 2852 | |
| 2853 | // Replace closing bracket first |
| 2854 | self.buffer_mut().delete(close_idx, close_idx + 1); |
| 2855 | self.buffer_mut().insert(close_idx, &new_close.to_string()); |
| 2856 | self.history_mut().record_delete(close_idx, close.to_string(), cursor_before, cursor_before); |
| 2857 | self.history_mut().record_insert(close_idx, new_close.to_string(), cursor_before, cursor_before); |
| 2858 | |
| 2859 | // Replace opening bracket |
| 2860 | self.buffer_mut().delete(open_idx, open_idx + 1); |
| 2861 | self.buffer_mut().insert(open_idx, &new_open.to_string()); |
| 2862 | self.history_mut().record_delete(open_idx, open.to_string(), cursor_before, cursor_before); |
| 2863 | self.history_mut().record_insert(open_idx, new_open.to_string(), cursor_before, cursor_before); |
| 2864 | |
| 2865 | self.history_mut().end_group(); |
| 2866 | } |
| 2867 | } |
| 2868 | |
| 2869 | fn remove_surrounding(&mut self) { |
| 2870 | // Remove surrounding quotes OR brackets (whichever is innermost/closest) |
| 2871 | let cursor_idx = self.buffer().line_col_to_char(self.cursor().line, self.cursor().col); |
| 2872 | |
| 2873 | // Find both surrounding quotes and brackets |
| 2874 | let quotes = self.buffer().find_surrounding_quotes(self.cursor().line, self.cursor().col); |
| 2875 | let brackets = self.buffer().find_surrounding_brackets(self.cursor().line, self.cursor().col); |
| 2876 | |
| 2877 | // Pick whichever has the closer opening (innermost) |
| 2878 | let (open_idx, close_idx, open_char, close_char) = match (quotes, brackets) { |
| 2879 | (Some((qo, qc, qch)), Some((bo, bc, bop, bcl))) => { |
| 2880 | if qo > bo { (qo, qc, qch, qch) } else { (bo, bc, bop, bcl) } |
| 2881 | } |
| 2882 | (Some((qo, qc, qch)), None) => (qo, qc, qch, qch), |
| 2883 | (None, Some((bo, bc, bop, bcl))) => (bo, bc, bop, bcl), |
| 2884 | (None, None) => return, |
| 2885 | }; |
| 2886 | |
| 2887 | let cursor_before = self.cursor_pos(); |
| 2888 | self.history_mut().begin_group(); |
| 2889 | |
| 2890 | // Delete closing first (to maintain open position) |
| 2891 | self.buffer_mut().delete(close_idx, close_idx + 1); |
| 2892 | self.history_mut().record_delete(close_idx, close_char.to_string(), cursor_before, cursor_before); |
| 2893 | |
| 2894 | // Delete opening |
| 2895 | self.buffer_mut().delete(open_idx, open_idx + 1); |
| 2896 | self.history_mut().record_delete(open_idx, open_char.to_string(), cursor_before, cursor_before); |
| 2897 | |
| 2898 | // Adjust cursor position |
| 2899 | if cursor_idx > open_idx { |
| 2900 | self.cursor_mut().col = self.cursor().col.saturating_sub(1); |
| 2901 | } |
| 2902 | // Recalculate line/col after deletions |
| 2903 | let new_cursor_idx = if cursor_idx > close_idx { |
| 2904 | cursor_idx - 2 |
| 2905 | } else if cursor_idx > open_idx { |
| 2906 | cursor_idx - 1 |
| 2907 | } else { |
| 2908 | cursor_idx |
| 2909 | }; |
| 2910 | let (new_line, new_col) = self.buffer().char_to_line_col(new_cursor_idx.min(self.buffer().len_chars().saturating_sub(1))); |
| 2911 | self.cursor_mut().line = new_line; |
| 2912 | self.cursor_mut().col = new_col; |
| 2913 | self.cursor_mut().desired_col = new_col; |
| 2914 | |
| 2915 | self.history_mut().end_group(); |
| 2916 | } |
| 2917 | |
| 2918 | fn remove_surrounding_brackets(&mut self) { |
| 2919 | // Remove only surrounding brackets (not quotes) |
| 2920 | if let Some((open_idx, close_idx, open, close)) = self.buffer().find_surrounding_brackets(self.cursor().line, self.cursor().col) { |
| 2921 | let cursor_idx = self.buffer().line_col_to_char(self.cursor().line, self.cursor().col); |
| 2922 | let cursor_before = self.cursor_pos(); |
| 2923 | self.history_mut().begin_group(); |
| 2924 | |
| 2925 | // Delete closing first |
| 2926 | self.buffer_mut().delete(close_idx, close_idx + 1); |
| 2927 | self.history_mut().record_delete(close_idx, close.to_string(), cursor_before, cursor_before); |
| 2928 | |
| 2929 | // Delete opening |
| 2930 | self.buffer_mut().delete(open_idx, open_idx + 1); |
| 2931 | self.history_mut().record_delete(open_idx, open.to_string(), cursor_before, cursor_before); |
| 2932 | |
| 2933 | // Recalculate cursor position after deletions |
| 2934 | let new_cursor_idx = if cursor_idx > close_idx { |
| 2935 | cursor_idx - 2 |
| 2936 | } else if cursor_idx > open_idx { |
| 2937 | cursor_idx - 1 |
| 2938 | } else { |
| 2939 | cursor_idx |
| 2940 | }; |
| 2941 | let (new_line, new_col) = self.buffer().char_to_line_col(new_cursor_idx.min(self.buffer().len_chars().saturating_sub(1))); |
| 2942 | self.cursor_mut().line = new_line; |
| 2943 | self.cursor_mut().col = new_col; |
| 2944 | self.cursor_mut().desired_col = new_col; |
| 2945 | |
| 2946 | self.history_mut().end_group(); |
| 2947 | } |
| 2948 | } |
| 2949 | |
| 2950 | // === Editing === |
| 2951 | |
| 2952 | fn cursor_pos(&self) -> Position { |
| 2953 | Position::new(self.cursor().line, self.cursor().col) |
| 2954 | } |
| 2955 | |
| 2956 | /// Get all cursor positions (for multi-cursor undo/redo) |
| 2957 | fn all_cursor_positions(&self) -> Vec<Position> { |
| 2958 | self.cursors().all().iter().map(|c| Position::new(c.line, c.col)).collect() |
| 2959 | } |
| 2960 | |
| 2961 | fn delete_selection(&mut self) -> bool { |
| 2962 | if let Some((start, end)) = self.cursor().selection_bounds() { |
| 2963 | let start_idx = self.buffer().line_col_to_char(start.line, start.col); |
| 2964 | let end_idx = self.buffer().line_col_to_char(end.line, end.col); |
| 2965 | |
| 2966 | // Record for undo |
| 2967 | let deleted_text: String = self.buffer().slice(start_idx, end_idx).chars().collect(); |
| 2968 | let cursor_before = self.cursor_pos(); |
| 2969 | |
| 2970 | // Invalidate caches |
| 2971 | self.invalidate_highlight_cache(start.line); |
| 2972 | self.invalidate_bracket_cache(); |
| 2973 | |
| 2974 | self.buffer_mut().delete(start_idx, end_idx); |
| 2975 | |
| 2976 | self.cursor_mut().line = start.line; |
| 2977 | self.cursor_mut().col = start.col; |
| 2978 | self.cursor_mut().desired_col = start.col; |
| 2979 | self.cursor_mut().clear_selection(); |
| 2980 | |
| 2981 | let cursor_after = self.cursor_pos(); |
| 2982 | self.history_mut().record_delete(start_idx, deleted_text, cursor_before, cursor_after); |
| 2983 | self.history_mut().maybe_break_group(); |
| 2984 | |
| 2985 | true |
| 2986 | } else { |
| 2987 | false |
| 2988 | } |
| 2989 | } |
| 2990 | |
| 2991 | /// Insert text at all cursor positions (for multi-cursor support) |
| 2992 | fn insert_text_multi(&mut self, text: &str) { |
| 2993 | if self.cursors().len() == 1 { |
| 2994 | // Single cursor - use simple path |
| 2995 | self.insert_text_single(text); |
| 2996 | return; |
| 2997 | } |
| 2998 | |
| 2999 | // Multi-cursor: compute absolute character indices FIRST from a frozen view of the buffer. |
| 3000 | // Then sort by ASCENDING char index, apply edits from start to end, |
| 3001 | // and track cumulative offset to adjust subsequent positions. |
| 3002 | |
| 3003 | // Step 1: Compute char indices for all cursors from current buffer state |
| 3004 | let mut cursor_char_indices: Vec<(usize, usize)> = self.cursors().all() |
| 3005 | .iter() |
| 3006 | .enumerate() |
| 3007 | .map(|(i, c)| { |
| 3008 | let char_idx = self.buffer().line_col_to_char(c.line, c.col); |
| 3009 | (i, char_idx) |
| 3010 | }) |
| 3011 | .collect(); |
| 3012 | |
| 3013 | // Step 2: Sort by ASCENDING char index (process from start of document) |
| 3014 | cursor_char_indices.sort_by(|a, b| a.1.cmp(&b.1)); |
| 3015 | |
| 3016 | // Invalidate caches from the earliest cursor's line |
| 3017 | if let Some(&(first_cursor_idx, _)) = cursor_char_indices.first() { |
| 3018 | let first_line = self.cursors().all()[first_cursor_idx].line; |
| 3019 | self.invalidate_highlight_cache(first_line); |
| 3020 | } |
| 3021 | self.invalidate_bracket_cache(); |
| 3022 | |
| 3023 | // Record all cursor positions before the operation |
| 3024 | let cursors_before = self.all_cursor_positions(); |
| 3025 | self.history_mut().begin_group(); |
| 3026 | self.history_mut().set_cursors_before(cursors_before); |
| 3027 | |
| 3028 | let text_char_count = text.chars().count(); |
| 3029 | let cursor_before = self.cursor_pos(); |
| 3030 | |
| 3031 | // Step 3: Apply inserts from start to end, tracking cumulative offset |
| 3032 | let mut cumulative_offset: usize = 0; |
| 3033 | let mut new_positions: Vec<(usize, usize, usize)> = Vec::new(); // (cursor_idx, line, col) |
| 3034 | |
| 3035 | for (cursor_idx, original_char_idx) in cursor_char_indices { |
| 3036 | // Adjust position by cumulative offset from previous inserts |
| 3037 | let adjusted_char_idx = original_char_idx + cumulative_offset; |
| 3038 | |
| 3039 | self.buffer_mut().insert(adjusted_char_idx, text); |
| 3040 | self.history_mut().record_insert(adjusted_char_idx, text.to_string(), cursor_before, cursor_before); |
| 3041 | |
| 3042 | // New cursor position is right after the inserted text |
| 3043 | let new_char_idx = adjusted_char_idx + text_char_count; |
| 3044 | let (new_line, new_col) = self.buffer().char_to_line_col(new_char_idx); |
| 3045 | new_positions.push((cursor_idx, new_line, new_col)); |
| 3046 | |
| 3047 | // Update cumulative offset for next cursor |
| 3048 | cumulative_offset += text_char_count; |
| 3049 | } |
| 3050 | |
| 3051 | // Step 4: Update all cursor positions at once |
| 3052 | for (cursor_idx, new_line, new_col) in new_positions { |
| 3053 | let cursor = &mut self.cursors_mut().all_mut()[cursor_idx]; |
| 3054 | cursor.line = new_line; |
| 3055 | cursor.col = new_col; |
| 3056 | cursor.desired_col = new_col; |
| 3057 | } |
| 3058 | |
| 3059 | // Record all cursor positions after the operation |
| 3060 | let cursors_after = self.all_cursor_positions(); |
| 3061 | self.history_mut().set_cursors_after(cursors_after); |
| 3062 | self.history_mut().end_group(); |
| 3063 | self.cursors_mut().merge_overlapping(); |
| 3064 | } |
| 3065 | |
| 3066 | /// Insert text at single (primary) cursor position |
| 3067 | fn insert_text_single(&mut self, text: &str) { |
| 3068 | self.delete_selection(); |
| 3069 | |
| 3070 | let cursor_before = self.cursor_pos(); |
| 3071 | let edit_line = self.cursor().line; |
| 3072 | let idx = self.buffer().line_col_to_char(self.cursor().line, self.cursor().col); |
| 3073 | |
| 3074 | self.buffer_mut().insert(idx, text); |
| 3075 | self.invalidate_highlight_cache(edit_line); |
| 3076 | self.invalidate_bracket_cache(); |
| 3077 | self.history_mut().record_insert(idx, text.to_string(), cursor_before, Position::new(0, 0)); |
| 3078 | |
| 3079 | // Update cursor position |
| 3080 | for c in text.chars() { |
| 3081 | if c == '\n' { |
| 3082 | self.cursor_mut().line += 1; |
| 3083 | self.cursor_mut().col = 0; |
| 3084 | } else { |
| 3085 | self.cursor_mut().col += 1; |
| 3086 | } |
| 3087 | } |
| 3088 | self.cursor_mut().desired_col = self.cursor().col; |
| 3089 | |
| 3090 | // Update the cursor_after in history |
| 3091 | let cursor_after = self.cursor_pos(); |
| 3092 | if let Some(op) = self.history_mut().undo_stack_last_mut() { |
| 3093 | if let Operation::Insert { cursor_after: ref mut ca, .. } = op { |
| 3094 | *ca = cursor_after; |
| 3095 | } |
| 3096 | } |
| 3097 | } |
| 3098 | |
| 3099 | fn insert_text(&mut self, text: &str) { |
| 3100 | self.insert_text_multi(text); |
| 3101 | } |
| 3102 | |
| 3103 | fn insert_char(&mut self, c: char) { |
| 3104 | // For multi-cursor, use simple insert (skip auto-pair complexity for now) |
| 3105 | if self.cursors().len() > 1 { |
| 3106 | self.insert_text_multi(&c.to_string()); |
| 3107 | return; |
| 3108 | } |
| 3109 | |
| 3110 | // Single cursor: handle auto-pair |
| 3111 | // Check for auto-pair closing: if typing a closing bracket/quote |
| 3112 | // and the next char is the same, just move cursor right |
| 3113 | if let Some(next_char) = self.char_at_cursor() { |
| 3114 | if c == next_char && (c == ')' || c == ']' || c == '}' || c == '"' || c == '\'' || c == '`') { |
| 3115 | self.cursor_mut().col += 1; |
| 3116 | self.cursor_mut().desired_col = self.cursor().col; |
| 3117 | return; |
| 3118 | } |
| 3119 | } |
| 3120 | |
| 3121 | // Check for auto-pair opening: insert pair and place cursor between |
| 3122 | let pair = match c { |
| 3123 | '(' => Some(')'), |
| 3124 | '[' => Some(']'), |
| 3125 | '{' => Some('}'), |
| 3126 | '"' => Some('"'), |
| 3127 | '\'' => Some('\''), |
| 3128 | '`' => Some('`'), |
| 3129 | _ => None, |
| 3130 | }; |
| 3131 | |
| 3132 | if let Some(close) = pair { |
| 3133 | // For quotes, only auto-pair if not inside a word |
| 3134 | let should_pair = if c == '"' || c == '\'' || c == '`' { |
| 3135 | // Don't auto-pair if previous char is alphanumeric (e.g., typing apostrophe in "don't") |
| 3136 | let prev_char = if self.cursor().col > 0 { |
| 3137 | let idx = self.buffer().line_col_to_char(self.cursor().line, self.cursor().col); |
| 3138 | self.buffer().char_at(idx.saturating_sub(1)) |
| 3139 | } else { |
| 3140 | None |
| 3141 | }; |
| 3142 | !prev_char.map_or(false, |ch| ch.is_alphanumeric()) |
| 3143 | } else { |
| 3144 | true |
| 3145 | }; |
| 3146 | |
| 3147 | if should_pair { |
| 3148 | self.delete_selection(); |
| 3149 | let cursor_before = self.cursor_pos(); |
| 3150 | let idx = self.buffer().line_col_to_char(self.cursor().line, self.cursor().col); |
| 3151 | let pair_str = format!("{}{}", c, close); |
| 3152 | |
| 3153 | self.buffer_mut().insert(idx, &pair_str); |
| 3154 | self.cursor_mut().col += 1; // Position cursor between the pair |
| 3155 | self.cursor_mut().desired_col = self.cursor().col; |
| 3156 | |
| 3157 | let cursor_after = self.cursor_pos(); |
| 3158 | self.history_mut().record_insert(idx, pair_str, cursor_before, cursor_after); |
| 3159 | return; |
| 3160 | } |
| 3161 | } |
| 3162 | |
| 3163 | self.insert_text(&c.to_string()); |
| 3164 | } |
| 3165 | |
| 3166 | /// Get character at cursor position (if any) |
| 3167 | fn char_at_cursor(&self) -> Option<char> { |
| 3168 | let idx = self.buffer().line_col_to_char(self.cursor().line, self.cursor().col); |
| 3169 | self.buffer().char_at(idx) |
| 3170 | } |
| 3171 | |
| 3172 | fn insert_newline(&mut self) { |
| 3173 | self.history_mut().maybe_break_group(); |
| 3174 | self.insert_text("\n"); |
| 3175 | self.history_mut().maybe_break_group(); |
| 3176 | } |
| 3177 | |
| 3178 | fn insert_tab(&mut self) { |
| 3179 | if self.cursor().has_selection() { |
| 3180 | self.indent_selection(); |
| 3181 | } else { |
| 3182 | self.insert_text(" "); |
| 3183 | } |
| 3184 | } |
| 3185 | |
| 3186 | /// Indent all lines in selection |
| 3187 | fn indent_selection(&mut self) { |
| 3188 | if let Some((start, end)) = self.cursor().selection_bounds() { |
| 3189 | let cursor_before = self.cursor_pos(); |
| 3190 | self.history_mut().begin_group(); |
| 3191 | |
| 3192 | // Indent each line from start to end (inclusive) |
| 3193 | for line_idx in start.line..=end.line { |
| 3194 | let line_start = self.buffer().line_col_to_char(line_idx, 0); |
| 3195 | let indent = " "; |
| 3196 | self.buffer_mut().insert(line_start, indent); |
| 3197 | self.history_mut().record_insert(line_start, indent.to_string(), cursor_before, cursor_before); |
| 3198 | } |
| 3199 | |
| 3200 | // Adjust selection to cover the indented text |
| 3201 | self.cursor_mut().anchor_col += 4; |
| 3202 | self.cursor_mut().col += 4; |
| 3203 | self.cursor_mut().desired_col = self.cursor().col; |
| 3204 | |
| 3205 | self.history_mut().end_group(); |
| 3206 | } |
| 3207 | } |
| 3208 | |
| 3209 | /// Delete backward at all cursor positions (multi-cursor) |
| 3210 | fn delete_backward_multi(&mut self) { |
| 3211 | // Multi-cursor: compute absolute character indices FIRST from a frozen view of the buffer. |
| 3212 | // Sort by ASCENDING, process start to end, track cumulative offset. |
| 3213 | |
| 3214 | // Step 1: Compute char indices for all cursors from current buffer state |
| 3215 | let mut cursor_char_indices: Vec<(usize, usize)> = self.cursors().all() |
| 3216 | .iter() |
| 3217 | .enumerate() |
| 3218 | .map(|(i, c)| { |
| 3219 | let char_idx = self.buffer().line_col_to_char(c.line, c.col); |
| 3220 | (i, char_idx) |
| 3221 | }) |
| 3222 | .collect(); |
| 3223 | |
| 3224 | // Step 2: Sort by ASCENDING char index (process from start of document) |
| 3225 | cursor_char_indices.sort_by(|a, b| a.1.cmp(&b.1)); |
| 3226 | |
| 3227 | // Record all cursor positions before the operation |
| 3228 | let cursors_before = self.all_cursor_positions(); |
| 3229 | self.history_mut().begin_group(); |
| 3230 | self.history_mut().set_cursors_before(cursors_before); |
| 3231 | |
| 3232 | let cursor_before = self.cursor_pos(); |
| 3233 | |
| 3234 | // Step 3: Apply deletes from start to end, tracking cumulative offset |
| 3235 | let mut cumulative_offset: isize = 0; |
| 3236 | let mut new_positions: Vec<(usize, usize, usize)> = Vec::new(); |
| 3237 | |
| 3238 | for (cursor_idx, original_char_idx) in cursor_char_indices { |
| 3239 | if original_char_idx == 0 { |
| 3240 | // Can't delete backward from position 0, keep cursor where it is |
| 3241 | let cursor = &self.cursors().all()[cursor_idx]; |
| 3242 | new_positions.push((cursor_idx, cursor.line, cursor.col)); |
| 3243 | continue; |
| 3244 | } |
| 3245 | |
| 3246 | // Adjust position by cumulative offset from previous deletes |
| 3247 | let adjusted_char_idx = (original_char_idx as isize + cumulative_offset) as usize; |
| 3248 | |
| 3249 | if adjusted_char_idx > 0 { |
| 3250 | let deleted = self.buffer().char_at(adjusted_char_idx - 1).map(|c| c.to_string()).unwrap_or_default(); |
| 3251 | self.buffer_mut().delete(adjusted_char_idx - 1, adjusted_char_idx); |
| 3252 | self.history_mut().record_delete(adjusted_char_idx - 1, deleted, cursor_before, cursor_before); |
| 3253 | |
| 3254 | // New cursor position is at the delete point |
| 3255 | let new_char_idx = adjusted_char_idx - 1; |
| 3256 | let (new_line, new_col) = self.buffer().char_to_line_col(new_char_idx); |
| 3257 | new_positions.push((cursor_idx, new_line, new_col)); |
| 3258 | |
| 3259 | // Update cumulative offset (we deleted 1 char, so offset decreases by 1) |
| 3260 | cumulative_offset -= 1; |
| 3261 | } |
| 3262 | } |
| 3263 | |
| 3264 | // Step 4: Update all cursor positions at once |
| 3265 | for (cursor_idx, new_line, new_col) in new_positions { |
| 3266 | let cursor = &mut self.cursors_mut().all_mut()[cursor_idx]; |
| 3267 | cursor.line = new_line; |
| 3268 | cursor.col = new_col; |
| 3269 | cursor.desired_col = new_col; |
| 3270 | } |
| 3271 | |
| 3272 | // Record all cursor positions after the operation |
| 3273 | let cursors_after = self.all_cursor_positions(); |
| 3274 | self.history_mut().set_cursors_after(cursors_after); |
| 3275 | self.history_mut().end_group(); |
| 3276 | self.cursors_mut().merge_overlapping(); |
| 3277 | } |
| 3278 | |
| 3279 | /// Delete forward at all cursor positions (multi-cursor) |
| 3280 | fn delete_forward_multi(&mut self) { |
| 3281 | // Multi-cursor: compute absolute character indices FIRST from a frozen view of the buffer. |
| 3282 | // Sort by ASCENDING, process start to end, track cumulative offset. |
| 3283 | |
| 3284 | let total_chars = self.buffer().char_count(); |
| 3285 | |
| 3286 | // Step 1: Compute char indices for all cursors from current buffer state |
| 3287 | let mut cursor_char_indices: Vec<(usize, usize)> = self.cursors().all() |
| 3288 | .iter() |
| 3289 | .enumerate() |
| 3290 | .map(|(i, c)| { |
| 3291 | let char_idx = self.buffer().line_col_to_char(c.line, c.col); |
| 3292 | (i, char_idx) |
| 3293 | }) |
| 3294 | .collect(); |
| 3295 | |
| 3296 | // Step 2: Sort by ASCENDING char index (process from start of document) |
| 3297 | cursor_char_indices.sort_by(|a, b| a.1.cmp(&b.1)); |
| 3298 | |
| 3299 | // Record all cursor positions before the operation |
| 3300 | let cursors_before = self.all_cursor_positions(); |
| 3301 | self.history_mut().begin_group(); |
| 3302 | self.history_mut().set_cursors_before(cursors_before); |
| 3303 | |
| 3304 | let cursor_before = self.cursor_pos(); |
| 3305 | |
| 3306 | // Step 3: Apply deletes from start to end, tracking cumulative offset |
| 3307 | let mut cumulative_offset: isize = 0; |
| 3308 | let mut new_positions: Vec<(usize, usize, usize)> = Vec::new(); |
| 3309 | |
| 3310 | for (cursor_idx, original_char_idx) in cursor_char_indices { |
| 3311 | // Adjust position by cumulative offset from previous deletes |
| 3312 | let adjusted_char_idx = (original_char_idx as isize + cumulative_offset) as usize; |
| 3313 | let current_total = (total_chars as isize + cumulative_offset) as usize; |
| 3314 | |
| 3315 | if adjusted_char_idx < current_total { |
| 3316 | let deleted = self.buffer().char_at(adjusted_char_idx).map(|c| c.to_string()).unwrap_or_default(); |
| 3317 | // Don't delete newlines in multi-cursor mode for simplicity |
| 3318 | if deleted != "\n" { |
| 3319 | self.buffer_mut().delete(adjusted_char_idx, adjusted_char_idx + 1); |
| 3320 | self.history_mut().record_delete(adjusted_char_idx, deleted, cursor_before, cursor_before); |
| 3321 | cumulative_offset -= 1; |
| 3322 | } |
| 3323 | } |
| 3324 | |
| 3325 | // Cursor position: convert from adjusted char index (cursor doesn't move for delete forward) |
| 3326 | let (new_line, new_col) = self.buffer().char_to_line_col(adjusted_char_idx.min(self.buffer().char_count())); |
| 3327 | new_positions.push((cursor_idx, new_line, new_col)); |
| 3328 | } |
| 3329 | |
| 3330 | // Step 4: Update all cursor positions at once |
| 3331 | for (cursor_idx, new_line, new_col) in new_positions { |
| 3332 | let cursor = &mut self.cursors_mut().all_mut()[cursor_idx]; |
| 3333 | cursor.line = new_line; |
| 3334 | cursor.col = new_col; |
| 3335 | cursor.desired_col = new_col; |
| 3336 | } |
| 3337 | |
| 3338 | // Record all cursor positions after the operation |
| 3339 | let cursors_after = self.all_cursor_positions(); |
| 3340 | self.history_mut().set_cursors_after(cursors_after); |
| 3341 | self.history_mut().end_group(); |
| 3342 | self.cursors_mut().merge_overlapping(); |
| 3343 | } |
| 3344 | |
| 3345 | fn delete_backward(&mut self) { |
| 3346 | // For multi-cursor, use simplified delete |
| 3347 | if self.cursors().len() > 1 { |
| 3348 | self.delete_backward_multi(); |
| 3349 | return; |
| 3350 | } |
| 3351 | |
| 3352 | if self.delete_selection() { |
| 3353 | return; |
| 3354 | } |
| 3355 | |
| 3356 | // Invalidate caches from cursor line (or previous line if merging) |
| 3357 | let invalidate_line = if self.cursor().col == 0 && self.cursor().line > 0 { |
| 3358 | self.cursor().line - 1 |
| 3359 | } else { |
| 3360 | self.cursor().line |
| 3361 | }; |
| 3362 | self.invalidate_highlight_cache(invalidate_line); |
| 3363 | self.invalidate_bracket_cache(); |
| 3364 | |
| 3365 | if self.cursor().col > 0 { |
| 3366 | let cursor_before = self.cursor_pos(); |
| 3367 | let idx = self.buffer().line_col_to_char(self.cursor().line, self.cursor().col); |
| 3368 | let prev_char = self.buffer().char_at(idx - 1); |
| 3369 | let next_char = self.buffer().char_at(idx); |
| 3370 | |
| 3371 | // Check for auto-pair deletion: if deleting opening bracket/quote |
| 3372 | // and next char is the matching close, delete both |
| 3373 | let is_pair = match (prev_char, next_char) { |
| 3374 | (Some('('), Some(')')) => true, |
| 3375 | (Some('['), Some(']')) => true, |
| 3376 | (Some('{'), Some('}')) => true, |
| 3377 | (Some('"'), Some('"')) => true, |
| 3378 | (Some('\''), Some('\'')) => true, |
| 3379 | (Some('`'), Some('`')) => true, |
| 3380 | _ => false, |
| 3381 | }; |
| 3382 | |
| 3383 | if is_pair { |
| 3384 | // Delete both characters |
| 3385 | let deleted = format!("{}{}", prev_char.unwrap(), next_char.unwrap()); |
| 3386 | self.buffer_mut().delete(idx - 1, idx + 1); |
| 3387 | self.cursor_mut().col -= 1; |
| 3388 | self.cursor_mut().desired_col = self.cursor().col; |
| 3389 | |
| 3390 | let cursor_after = self.cursor_pos(); |
| 3391 | self.history_mut().record_delete(idx - 1, deleted, cursor_before, cursor_after); |
| 3392 | } else { |
| 3393 | let deleted = prev_char.map(|c| c.to_string()).unwrap_or_default(); |
| 3394 | |
| 3395 | self.buffer_mut().delete(idx - 1, idx); |
| 3396 | self.cursor_mut().col -= 1; |
| 3397 | self.cursor_mut().desired_col = self.cursor().col; |
| 3398 | |
| 3399 | let cursor_after = self.cursor_pos(); |
| 3400 | self.history_mut().record_delete(idx - 1, deleted, cursor_before, cursor_after); |
| 3401 | } |
| 3402 | } else if self.cursor().line > 0 { |
| 3403 | let cursor_before = self.cursor_pos(); |
| 3404 | let prev_line_len = self.buffer().line_len(self.cursor().line - 1); |
| 3405 | let idx = self.buffer().line_col_to_char(self.cursor().line, 0); |
| 3406 | |
| 3407 | self.buffer_mut().delete(idx - 1, idx); |
| 3408 | self.cursor_mut().line -= 1; |
| 3409 | self.cursor_mut().col = prev_line_len; |
| 3410 | self.cursor_mut().desired_col = self.cursor().col; |
| 3411 | |
| 3412 | let cursor_after = self.cursor_pos(); |
| 3413 | self.history_mut().record_delete(idx - 1, "\n".to_string(), cursor_before, cursor_after); |
| 3414 | self.history_mut().maybe_break_group(); |
| 3415 | } |
| 3416 | } |
| 3417 | |
| 3418 | fn delete_forward(&mut self) { |
| 3419 | // For multi-cursor, use simplified delete |
| 3420 | if self.cursors().len() > 1 { |
| 3421 | self.delete_forward_multi(); |
| 3422 | return; |
| 3423 | } |
| 3424 | |
| 3425 | if self.delete_selection() { |
| 3426 | return; |
| 3427 | } |
| 3428 | |
| 3429 | // Invalidate caches from cursor line |
| 3430 | self.invalidate_highlight_cache(self.cursor().line); |
| 3431 | self.invalidate_bracket_cache(); |
| 3432 | |
| 3433 | let line_len = self.buffer().line_len(self.cursor().line); |
| 3434 | let idx = self.buffer().line_col_to_char(self.cursor().line, self.cursor().col); |
| 3435 | |
| 3436 | if self.cursor().col < line_len { |
| 3437 | let cursor_before = self.cursor_pos(); |
| 3438 | let deleted = self.buffer().char_at(idx).map(|c| c.to_string()).unwrap_or_default(); |
| 3439 | self.buffer_mut().delete(idx, idx + 1); |
| 3440 | let cursor_after = self.cursor_pos(); |
| 3441 | self.history_mut().record_delete(idx, deleted, cursor_before, cursor_after); |
| 3442 | } else if self.cursor().line + 1 < self.buffer().line_count() { |
| 3443 | let cursor_before = self.cursor_pos(); |
| 3444 | self.buffer_mut().delete(idx, idx + 1); |
| 3445 | let cursor_after = self.cursor_pos(); |
| 3446 | self.history_mut().record_delete(idx, "\n".to_string(), cursor_before, cursor_after); |
| 3447 | self.history_mut().maybe_break_group(); |
| 3448 | } |
| 3449 | } |
| 3450 | |
| 3451 | fn delete_word_backward(&mut self) { |
| 3452 | // For multi-cursor, use multi version |
| 3453 | if self.cursors().len() > 1 { |
| 3454 | self.delete_word_backward_multi(); |
| 3455 | return; |
| 3456 | } |
| 3457 | |
| 3458 | if self.delete_selection() { |
| 3459 | return; |
| 3460 | } |
| 3461 | |
| 3462 | let start_col = self.cursor().col; |
| 3463 | self.move_word_left(false); |
| 3464 | |
| 3465 | if self.cursor_mut().line == self.cursor().line && self.cursor().col < start_col { |
| 3466 | let cursor_before = Position::new(self.cursor().line, start_col); |
| 3467 | let start_idx = self.buffer().line_col_to_char(self.cursor().line, self.cursor().col); |
| 3468 | let end_idx = self.buffer().line_col_to_char(self.cursor().line, start_col); |
| 3469 | let deleted: String = self.buffer().slice(start_idx, end_idx).chars().collect(); |
| 3470 | |
| 3471 | self.buffer_mut().delete(start_idx, end_idx); |
| 3472 | self.yank_push(deleted.clone()); |
| 3473 | let cursor_after = self.cursor_pos(); |
| 3474 | self.history_mut().record_delete(start_idx, deleted, cursor_before, cursor_after); |
| 3475 | self.history_mut().maybe_break_group(); |
| 3476 | } |
| 3477 | } |
| 3478 | |
| 3479 | fn delete_word_backward_multi(&mut self) { |
| 3480 | // Collect cursor positions, process from bottom to top |
| 3481 | let mut cursor_data: Vec<(usize, usize, usize)> = self.cursors().all() |
| 3482 | .iter() |
| 3483 | .enumerate() |
| 3484 | .map(|(i, c)| (i, c.line, c.col)) |
| 3485 | .collect(); |
| 3486 | |
| 3487 | // Sort by position, bottom-right first |
| 3488 | cursor_data.sort_by(|a, b| { |
| 3489 | match b.1.cmp(&a.1) { |
| 3490 | std::cmp::Ordering::Equal => b.2.cmp(&a.2), |
| 3491 | ord => ord, |
| 3492 | } |
| 3493 | }); |
| 3494 | |
| 3495 | // Record all cursor positions before the operation |
| 3496 | let cursors_before = self.all_cursor_positions(); |
| 3497 | self.history_mut().begin_group(); |
| 3498 | self.history_mut().set_cursors_before(cursors_before); |
| 3499 | |
| 3500 | for (cursor_idx, line, col) in cursor_data { |
| 3501 | if col == 0 { |
| 3502 | continue; // Can't delete word at start of line in multi-cursor mode |
| 3503 | } |
| 3504 | |
| 3505 | // Find word start (same logic as move_word_left) |
| 3506 | let line_str = self.buffer().line_str(line).unwrap_or_default(); |
| 3507 | let chars: Vec<char> = line_str.chars().collect(); |
| 3508 | let mut new_col = col; |
| 3509 | |
| 3510 | // Skip whitespace backward |
| 3511 | while new_col > 0 && chars.get(new_col - 1).map(|c| c.is_whitespace()).unwrap_or(false) { |
| 3512 | new_col -= 1; |
| 3513 | } |
| 3514 | |
| 3515 | // Skip word characters backward |
| 3516 | if new_col > 0 { |
| 3517 | let is_word = chars.get(new_col - 1).map(|c| is_word_char(*c)).unwrap_or(false); |
| 3518 | if is_word { |
| 3519 | while new_col > 0 && chars.get(new_col - 1).map(|c| is_word_char(*c)).unwrap_or(false) { |
| 3520 | new_col -= 1; |
| 3521 | } |
| 3522 | } else { |
| 3523 | // Skip punctuation |
| 3524 | while new_col > 0 && chars.get(new_col - 1).map(|c| !c.is_whitespace() && !is_word_char(*c)).unwrap_or(false) { |
| 3525 | new_col -= 1; |
| 3526 | } |
| 3527 | } |
| 3528 | } |
| 3529 | |
| 3530 | if new_col < col { |
| 3531 | let cursor_before = Position::new(line, col); |
| 3532 | let start_idx = self.buffer().line_col_to_char(line, new_col); |
| 3533 | let end_idx = self.buffer().line_col_to_char(line, col); |
| 3534 | let deleted: String = self.buffer().slice(start_idx, end_idx).chars().collect(); |
| 3535 | |
| 3536 | self.buffer_mut().delete(start_idx, end_idx); |
| 3537 | self.history_mut().record_delete(start_idx, deleted, cursor_before, cursor_before); |
| 3538 | |
| 3539 | // Update cursor position |
| 3540 | let cursor = &mut self.cursors_mut().all_mut()[cursor_idx]; |
| 3541 | cursor.col = new_col; |
| 3542 | cursor.desired_col = new_col; |
| 3543 | } |
| 3544 | } |
| 3545 | |
| 3546 | // Record all cursor positions after the operation |
| 3547 | let cursors_after = self.all_cursor_positions(); |
| 3548 | self.history_mut().set_cursors_after(cursors_after); |
| 3549 | self.history_mut().end_group(); |
| 3550 | self.cursors_mut().merge_overlapping(); |
| 3551 | } |
| 3552 | |
| 3553 | fn delete_word_forward(&mut self) { |
| 3554 | if self.delete_selection() { |
| 3555 | return; |
| 3556 | } |
| 3557 | |
| 3558 | let start_line = self.cursor().line; |
| 3559 | let start_col = self.cursor().col; |
| 3560 | self.move_word_right(false); |
| 3561 | |
| 3562 | let cursor_before = Position::new(start_line, start_col); |
| 3563 | let start_idx = self.buffer().line_col_to_char(start_line, start_col); |
| 3564 | let end_idx = self.buffer().line_col_to_char(self.cursor().line, self.cursor().col); |
| 3565 | |
| 3566 | if end_idx > start_idx { |
| 3567 | let deleted: String = self.buffer().slice(start_idx, end_idx).chars().collect(); |
| 3568 | self.buffer_mut().delete(start_idx, end_idx); |
| 3569 | self.yank_push(deleted.clone()); |
| 3570 | self.cursor_mut().line = start_line; |
| 3571 | self.cursor_mut().col = start_col; |
| 3572 | let cursor_after = self.cursor_pos(); |
| 3573 | self.history_mut().record_delete(start_idx, deleted, cursor_before, cursor_after); |
| 3574 | self.history_mut().maybe_break_group(); |
| 3575 | } |
| 3576 | } |
| 3577 | |
| 3578 | /// Push text onto the yank stack (kill ring) |
| 3579 | fn yank_push(&mut self, text: String) { |
| 3580 | if text.is_empty() { |
| 3581 | return; |
| 3582 | } |
| 3583 | // Limit stack size to 32 entries |
| 3584 | const MAX_YANK_STACK: usize = 32; |
| 3585 | if self.yank_stack.len() >= MAX_YANK_STACK { |
| 3586 | self.yank_stack.remove(0); |
| 3587 | } |
| 3588 | self.yank_stack.push(text); |
| 3589 | // Reset cycling state |
| 3590 | self.yank_index = None; |
| 3591 | } |
| 3592 | |
| 3593 | /// Yank (paste) from yank stack (Ctrl+Y) |
| 3594 | fn yank(&mut self) { |
| 3595 | if self.yank_stack.is_empty() { |
| 3596 | self.message = Some("Yank stack empty".to_string()); |
| 3597 | return; |
| 3598 | } |
| 3599 | |
| 3600 | // Delete selection first if any |
| 3601 | self.delete_selection(); |
| 3602 | |
| 3603 | // Get the most recent entry |
| 3604 | let text = self.yank_stack.last().unwrap().clone(); |
| 3605 | let cursor_before = self.cursor_pos(); |
| 3606 | |
| 3607 | // Insert the text |
| 3608 | let idx = self.buffer().line_col_to_char(self.cursor().line, self.cursor().col); |
| 3609 | self.buffer_mut().insert(idx, &text); |
| 3610 | |
| 3611 | // Move cursor to end of inserted text |
| 3612 | let text_len = text.chars().count(); |
| 3613 | self.last_yank_len = text_len; |
| 3614 | |
| 3615 | // Update cursor position |
| 3616 | for ch in text.chars() { |
| 3617 | if ch == '\n' { |
| 3618 | self.cursor_mut().line += 1; |
| 3619 | self.cursor_mut().col = 0; |
| 3620 | } else { |
| 3621 | self.cursor_mut().col += 1; |
| 3622 | } |
| 3623 | } |
| 3624 | self.cursor_mut().desired_col = self.cursor().col; |
| 3625 | |
| 3626 | let cursor_after = self.cursor_pos(); |
| 3627 | self.history_mut().record_insert(idx, text, cursor_before, cursor_after); |
| 3628 | |
| 3629 | // Set yank index for cycling |
| 3630 | self.yank_index = Some(self.yank_stack.len() - 1); |
| 3631 | } |
| 3632 | |
| 3633 | /// Cycle through yank stack (Alt+Y) - must be used after Ctrl+Y |
| 3634 | fn yank_cycle(&mut self) { |
| 3635 | // Only works if we just yanked |
| 3636 | let current_idx = match self.yank_index { |
| 3637 | Some(idx) => idx, |
| 3638 | None => { |
| 3639 | self.message = Some("No active yank to cycle".to_string()); |
| 3640 | return; |
| 3641 | } |
| 3642 | }; |
| 3643 | |
| 3644 | if self.yank_stack.len() <= 1 { |
| 3645 | self.message = Some("Only one item in yank stack".to_string()); |
| 3646 | return; |
| 3647 | } |
| 3648 | |
| 3649 | // Calculate previous index (cycle backwards through stack) |
| 3650 | let new_idx = if current_idx == 0 { |
| 3651 | self.yank_stack.len() - 1 |
| 3652 | } else { |
| 3653 | current_idx - 1 |
| 3654 | }; |
| 3655 | |
| 3656 | // Delete the previously yanked text |
| 3657 | let cursor_before = self.cursor_pos(); |
| 3658 | let end_idx = self.buffer().line_col_to_char(self.cursor().line, self.cursor().col); |
| 3659 | let start_idx = end_idx.saturating_sub(self.last_yank_len); |
| 3660 | |
| 3661 | if start_idx < end_idx { |
| 3662 | let deleted: String = self.buffer().slice(start_idx, end_idx).chars().collect(); |
| 3663 | self.buffer_mut().delete(start_idx, end_idx); |
| 3664 | |
| 3665 | // Move cursor back |
| 3666 | let (line, col) = self.buffer().char_to_line_col(start_idx); |
| 3667 | self.cursor_mut().line = line; |
| 3668 | self.cursor_mut().col = col; |
| 3669 | self.cursor_mut().desired_col = self.cursor().col; |
| 3670 | } |
| 3671 | |
| 3672 | // Insert the new text from yank stack |
| 3673 | let text = self.yank_stack[new_idx].clone(); |
| 3674 | let idx = self.buffer().line_col_to_char(self.cursor().line, self.cursor().col); |
| 3675 | self.buffer_mut().insert(idx, &text); |
| 3676 | |
| 3677 | // Move cursor to end of inserted text |
| 3678 | let text_len = text.chars().count(); |
| 3679 | self.last_yank_len = text_len; |
| 3680 | |
| 3681 | for ch in text.chars() { |
| 3682 | if ch == '\n' { |
| 3683 | self.cursor_mut().line += 1; |
| 3684 | self.cursor_mut().col = 0; |
| 3685 | } else { |
| 3686 | self.cursor_mut().col += 1; |
| 3687 | } |
| 3688 | } |
| 3689 | self.cursor_mut().desired_col = self.cursor().col; |
| 3690 | |
| 3691 | let cursor_after = self.cursor_pos(); |
| 3692 | self.history_mut().record_insert(idx, text, cursor_before, cursor_after); |
| 3693 | |
| 3694 | // Update yank index |
| 3695 | self.yank_index = Some(new_idx); |
| 3696 | } |
| 3697 | |
| 3698 | /// Kill (delete) from cursor to end of line (Ctrl+K) |
| 3699 | fn kill_to_end_of_line(&mut self) { |
| 3700 | if self.delete_selection() { |
| 3701 | return; |
| 3702 | } |
| 3703 | |
| 3704 | let line = self.cursor().line; |
| 3705 | let col = self.cursor().col; |
| 3706 | let line_len = self.buffer().line_len(line); |
| 3707 | |
| 3708 | if col >= line_len { |
| 3709 | // At end of line - delete the newline to join with next line |
| 3710 | if line < self.buffer().line_count().saturating_sub(1) { |
| 3711 | let cursor_before = self.cursor_pos(); |
| 3712 | let idx = self.buffer().line_col_to_char(line, col); |
| 3713 | self.buffer_mut().delete(idx, idx + 1); |
| 3714 | self.yank_push("\n".to_string()); |
| 3715 | let cursor_after = self.cursor_pos(); |
| 3716 | self.history_mut().record_delete(idx, "\n".to_string(), cursor_before, cursor_after); |
| 3717 | } |
| 3718 | } else { |
| 3719 | // Delete from cursor to end of line |
| 3720 | let cursor_before = self.cursor_pos(); |
| 3721 | let start_idx = self.buffer().line_col_to_char(line, col); |
| 3722 | let end_idx = self.buffer().line_col_to_char(line, line_len); |
| 3723 | let deleted: String = self.buffer().slice(start_idx, end_idx).chars().collect(); |
| 3724 | self.buffer_mut().delete(start_idx, end_idx); |
| 3725 | self.yank_push(deleted.clone()); |
| 3726 | let cursor_after = self.cursor_pos(); |
| 3727 | self.history_mut().record_delete(start_idx, deleted, cursor_before, cursor_after); |
| 3728 | } |
| 3729 | self.history_mut().maybe_break_group(); |
| 3730 | } |
| 3731 | |
| 3732 | /// Kill (delete) from cursor to start of line (Ctrl+U) |
| 3733 | fn kill_to_start_of_line(&mut self) { |
| 3734 | if self.delete_selection() { |
| 3735 | return; |
| 3736 | } |
| 3737 | |
| 3738 | let line = self.cursor().line; |
| 3739 | let col = self.cursor().col; |
| 3740 | |
| 3741 | if col == 0 { |
| 3742 | // At start of line - delete the newline before to join with previous line |
| 3743 | if line > 0 { |
| 3744 | let cursor_before = self.cursor_pos(); |
| 3745 | let idx = self.buffer().line_col_to_char(line, 0); |
| 3746 | self.buffer_mut().delete(idx - 1, idx); |
| 3747 | self.yank_push("\n".to_string()); |
| 3748 | // Move cursor to end of previous line |
| 3749 | self.cursor_mut().line = line - 1; |
| 3750 | self.cursor_mut().col = self.buffer().line_len(line - 1); |
| 3751 | self.cursor_mut().desired_col = self.cursor().col; |
| 3752 | let cursor_after = self.cursor_pos(); |
| 3753 | self.history_mut().record_delete(idx - 1, "\n".to_string(), cursor_before, cursor_after); |
| 3754 | } |
| 3755 | } else { |
| 3756 | // Delete from start of line to cursor |
| 3757 | let cursor_before = self.cursor_pos(); |
| 3758 | let start_idx = self.buffer().line_col_to_char(line, 0); |
| 3759 | let end_idx = self.buffer().line_col_to_char(line, col); |
| 3760 | let deleted: String = self.buffer().slice(start_idx, end_idx).chars().collect(); |
| 3761 | self.buffer_mut().delete(start_idx, end_idx); |
| 3762 | self.yank_push(deleted.clone()); |
| 3763 | self.cursor_mut().col = 0; |
| 3764 | self.cursor_mut().desired_col = 0; |
| 3765 | let cursor_after = self.cursor_pos(); |
| 3766 | self.history_mut().record_delete(start_idx, deleted, cursor_before, cursor_after); |
| 3767 | } |
| 3768 | self.history_mut().maybe_break_group(); |
| 3769 | } |
| 3770 | |
| 3771 | fn transpose_chars(&mut self) { |
| 3772 | // Transpose the two characters around the cursor |
| 3773 | // If at end of line, swap the two chars before cursor |
| 3774 | // If at start of line, do nothing |
| 3775 | let line_len = self.buffer().line_len(self.cursor().line); |
| 3776 | if line_len < 2 { |
| 3777 | return; |
| 3778 | } |
| 3779 | |
| 3780 | let (swap_pos, move_cursor) = if self.cursor_mut().col == 0 { |
| 3781 | // At start of line - nothing to transpose |
| 3782 | return; |
| 3783 | } else if self.cursor().col >= line_len { |
| 3784 | // At or past end of line - swap last two chars |
| 3785 | (self.cursor().col - 2, false) |
| 3786 | } else { |
| 3787 | // In middle - swap char before cursor with char at cursor |
| 3788 | (self.cursor().col - 1, true) |
| 3789 | }; |
| 3790 | |
| 3791 | let idx = self.buffer().line_col_to_char(self.cursor().line, swap_pos); |
| 3792 | let char1 = self.buffer().char_at(idx); |
| 3793 | let char2 = self.buffer().char_at(idx + 1); |
| 3794 | |
| 3795 | if let (Some(c1), Some(c2)) = (char1, char2) { |
| 3796 | let cursor_before = self.cursor_pos(); |
| 3797 | self.history_mut().begin_group(); |
| 3798 | |
| 3799 | // Delete both chars |
| 3800 | let deleted = format!("{}{}", c1, c2); |
| 3801 | self.buffer_mut().delete(idx, idx + 2); |
| 3802 | self.history_mut().record_delete(idx, deleted, cursor_before, cursor_before); |
| 3803 | |
| 3804 | // Insert in swapped order |
| 3805 | let swapped = format!("{}{}", c2, c1); |
| 3806 | self.buffer_mut().insert(idx, &swapped); |
| 3807 | |
| 3808 | if move_cursor { |
| 3809 | self.cursor_mut().col += 1; |
| 3810 | self.cursor_mut().desired_col = self.cursor().col; |
| 3811 | } |
| 3812 | |
| 3813 | let cursor_after = self.cursor_pos(); |
| 3814 | self.history_mut().record_insert(idx, swapped, cursor_before, cursor_after); |
| 3815 | self.history_mut().end_group(); |
| 3816 | } |
| 3817 | } |
| 3818 | |
| 3819 | fn dedent(&mut self) { |
| 3820 | if self.cursor().has_selection() { |
| 3821 | self.dedent_selection(); |
| 3822 | } else { |
| 3823 | self.dedent_line(self.cursor().line); |
| 3824 | self.history_mut().maybe_break_group(); |
| 3825 | } |
| 3826 | } |
| 3827 | |
| 3828 | /// Dedent a single line, returns number of spaces removed |
| 3829 | fn dedent_line(&mut self, line_idx: usize) -> usize { |
| 3830 | if let Some(line_str) = self.buffer().line_str(line_idx) { |
| 3831 | let spaces_to_remove = line_str.chars().take(4).take_while(|c| *c == ' ').count(); |
| 3832 | if spaces_to_remove > 0 { |
| 3833 | let cursor_before = self.cursor_pos(); |
| 3834 | let line_start = self.buffer().line_col_to_char(line_idx, 0); |
| 3835 | let deleted: String = " ".repeat(spaces_to_remove); |
| 3836 | |
| 3837 | self.buffer_mut().delete(line_start, line_start + spaces_to_remove); |
| 3838 | |
| 3839 | // Only adjust cursor if this is the cursor's line |
| 3840 | if line_idx == self.cursor().line { |
| 3841 | self.cursor_mut().col = self.cursor().col.saturating_sub(spaces_to_remove); |
| 3842 | self.cursor_mut().desired_col = self.cursor().col; |
| 3843 | } |
| 3844 | |
| 3845 | let cursor_after = self.cursor_pos(); |
| 3846 | self.history_mut().record_delete(line_start, deleted, cursor_before, cursor_after); |
| 3847 | return spaces_to_remove; |
| 3848 | } |
| 3849 | } |
| 3850 | 0 |
| 3851 | } |
| 3852 | |
| 3853 | /// Dedent all lines in selection |
| 3854 | fn dedent_selection(&mut self) { |
| 3855 | if let Some((start, end)) = self.cursor().selection_bounds() { |
| 3856 | self.history_mut().begin_group(); |
| 3857 | |
| 3858 | let mut total_removed_anchor_line = 0; |
| 3859 | let mut total_removed_cursor_line = 0; |
| 3860 | |
| 3861 | // Dedent each line from start to end (inclusive) |
| 3862 | // We need to track adjustments carefully since positions shift |
| 3863 | for line_idx in start.line..=end.line { |
| 3864 | let removed = self.dedent_line(line_idx); |
| 3865 | if line_idx == self.cursor().anchor_line { |
| 3866 | total_removed_anchor_line = removed; |
| 3867 | } |
| 3868 | if line_idx == self.cursor().line { |
| 3869 | total_removed_cursor_line = removed; |
| 3870 | } |
| 3871 | } |
| 3872 | |
| 3873 | // Adjust selection columns |
| 3874 | self.cursor_mut().anchor_col = self.cursor().anchor_col.saturating_sub(total_removed_anchor_line); |
| 3875 | self.cursor_mut().col = self.cursor().col.saturating_sub(total_removed_cursor_line); |
| 3876 | self.cursor_mut().desired_col = self.cursor().col; |
| 3877 | |
| 3878 | self.history_mut().end_group(); |
| 3879 | } |
| 3880 | } |
| 3881 | |
| 3882 | // === Line operations === |
| 3883 | |
| 3884 | fn move_line_up(&mut self) { |
| 3885 | if self.cursor().line > 0 { |
| 3886 | let cursor_before = self.cursor_pos(); |
| 3887 | self.history_mut().begin_group(); |
| 3888 | |
| 3889 | let curr_line = self.cursor().line; |
| 3890 | let prev_line = curr_line - 1; |
| 3891 | |
| 3892 | let curr_content = self.buffer().line_str(curr_line).unwrap_or_default(); |
| 3893 | |
| 3894 | // Delete current line (including its newline) |
| 3895 | let curr_start = self.buffer().line_col_to_char(curr_line, 0); |
| 3896 | let delete_start = curr_start.saturating_sub(1); // Include newline before |
| 3897 | let delete_end = curr_start + curr_content.len(); |
| 3898 | let deleted: String = self.buffer().slice(delete_start, delete_end).chars().collect(); |
| 3899 | self.buffer_mut().delete(delete_start, delete_end); |
| 3900 | self.history_mut().record_delete(delete_start, deleted, cursor_before, cursor_before); |
| 3901 | |
| 3902 | // Insert current line before previous line |
| 3903 | let prev_start = self.buffer().line_col_to_char(prev_line, 0); |
| 3904 | let insert_text = format!("{}\n", curr_content); |
| 3905 | let cursor_col = self.cursor().col; |
| 3906 | self.buffer_mut().insert(prev_start, &insert_text); |
| 3907 | self.history_mut().record_insert(prev_start, insert_text, cursor_before, Position::new(prev_line, cursor_col)); |
| 3908 | |
| 3909 | self.cursor_mut().line = prev_line; |
| 3910 | self.history_mut().end_group(); |
| 3911 | } |
| 3912 | } |
| 3913 | |
| 3914 | fn move_line_down(&mut self) { |
| 3915 | if self.cursor().line + 1 < self.buffer().line_count() { |
| 3916 | let cursor_before = self.cursor_pos(); |
| 3917 | self.history_mut().begin_group(); |
| 3918 | |
| 3919 | let curr_line = self.cursor().line; |
| 3920 | let next_line = curr_line + 1; |
| 3921 | |
| 3922 | let curr_content = self.buffer().line_str(curr_line).unwrap_or_default(); |
| 3923 | |
| 3924 | // Delete current line (including newline after) |
| 3925 | let curr_start = self.buffer().line_col_to_char(curr_line, 0); |
| 3926 | let next_start = self.buffer().line_col_to_char(next_line, 0); |
| 3927 | let deleted: String = self.buffer().slice(curr_start, next_start).chars().collect(); |
| 3928 | self.buffer_mut().delete(curr_start, next_start); |
| 3929 | self.history_mut().record_delete(curr_start, deleted, cursor_before, cursor_before); |
| 3930 | |
| 3931 | // Insert current line after what was the next line (now at curr_line) |
| 3932 | let new_line_end = self.buffer().line_col_to_char(curr_line, self.buffer().line_len(curr_line)); |
| 3933 | let insert_text = format!("\n{}", curr_content); |
| 3934 | let cursor_col = self.cursor().col; |
| 3935 | self.buffer_mut().insert(new_line_end, &insert_text); |
| 3936 | self.history_mut().record_insert(new_line_end, insert_text, cursor_before, Position::new(next_line, cursor_col)); |
| 3937 | |
| 3938 | self.cursor_mut().line = next_line; |
| 3939 | self.history_mut().end_group(); |
| 3940 | } |
| 3941 | } |
| 3942 | |
| 3943 | fn duplicate_line_up(&mut self) { |
| 3944 | let cursor_before = self.cursor_pos(); |
| 3945 | self.history_mut().begin_group(); |
| 3946 | let content = self.buffer().line_str(self.cursor().line).unwrap_or_default(); |
| 3947 | let line_start = self.buffer().line_col_to_char(self.cursor().line, 0); |
| 3948 | let insert_text = format!("{}\n", content); |
| 3949 | self.buffer_mut().insert(line_start, &insert_text); |
| 3950 | // Cursor stays on same logical line (now shifted down by 1) |
| 3951 | self.cursor_mut().line += 1; |
| 3952 | let cursor_after = self.cursor_pos(); |
| 3953 | self.history_mut().record_insert(line_start, insert_text, cursor_before, cursor_after); |
| 3954 | self.history_mut().end_group(); |
| 3955 | } |
| 3956 | |
| 3957 | fn duplicate_line_down(&mut self) { |
| 3958 | let cursor_before = self.cursor_pos(); |
| 3959 | self.history_mut().begin_group(); |
| 3960 | let content = self.buffer().line_str(self.cursor().line).unwrap_or_default(); |
| 3961 | let line_end = self.buffer().line_col_to_char(self.cursor().line, self.buffer().line_len(self.cursor().line)); |
| 3962 | let insert_text = format!("\n{}", content); |
| 3963 | self.buffer_mut().insert(line_end, &insert_text); |
| 3964 | self.cursor_mut().line += 1; |
| 3965 | let cursor_after = self.cursor_pos(); |
| 3966 | self.history_mut().record_insert(line_end, insert_text, cursor_before, cursor_after); |
| 3967 | self.history_mut().end_group(); |
| 3968 | } |
| 3969 | |
| 3970 | fn join_lines(&mut self) { |
| 3971 | if self.cursor().line + 1 < self.buffer().line_count() { |
| 3972 | let cursor_before = self.cursor_pos(); |
| 3973 | self.history_mut().begin_group(); |
| 3974 | |
| 3975 | let line_len = self.buffer().line_len(self.cursor().line); |
| 3976 | let idx = self.buffer().line_col_to_char(self.cursor().line, line_len); |
| 3977 | |
| 3978 | // Delete newline |
| 3979 | self.buffer_mut().delete(idx, idx + 1); |
| 3980 | |
| 3981 | // Move cursor to join point |
| 3982 | self.cursor_mut().col = line_len; |
| 3983 | self.cursor_mut().desired_col = self.cursor().col; |
| 3984 | |
| 3985 | let cursor_after = self.cursor_pos(); |
| 3986 | self.history_mut().record_delete(idx, "\n".to_string(), cursor_before, cursor_after); |
| 3987 | self.history_mut().end_group(); |
| 3988 | } |
| 3989 | } |
| 3990 | |
| 3991 | /// Toggle line comment on current line or all lines in selection |
| 3992 | /// Works like VSCode: if all lines are commented, uncomment them; otherwise comment them all |
| 3993 | fn toggle_line_comment(&mut self) { |
| 3994 | // Get the comment prefix for current language |
| 3995 | let comment_prefix = match self.buffer_entry().highlighter.line_comment() { |
| 3996 | Some(prefix) => prefix, |
| 3997 | None => { |
| 3998 | self.message = Some("No line comment syntax for this file type".to_string()); |
| 3999 | return; |
| 4000 | } |
| 4001 | }; |
| 4002 | |
| 4003 | // Determine line range to operate on |
| 4004 | let (start_line, end_line) = if let Some((start, end)) = self.cursor().selection_bounds() { |
| 4005 | // Selection: operate on all lines in selection |
| 4006 | (start.line, end.line) |
| 4007 | } else { |
| 4008 | // No selection: operate on current line only |
| 4009 | let line = self.cursor().line; |
| 4010 | (line, line) |
| 4011 | }; |
| 4012 | |
| 4013 | // Check if all lines in range are commented |
| 4014 | let all_commented = (start_line..=end_line).all(|line_idx| { |
| 4015 | if let Some(line) = self.buffer().line_str(line_idx) { |
| 4016 | let trimmed = line.trim_start(); |
| 4017 | trimmed.starts_with(comment_prefix) |
| 4018 | } else { |
| 4019 | false |
| 4020 | } |
| 4021 | }); |
| 4022 | |
| 4023 | self.history_mut().begin_group(); |
| 4024 | |
| 4025 | if all_commented { |
| 4026 | // Uncomment all lines |
| 4027 | for line_idx in start_line..=end_line { |
| 4028 | self.uncomment_line(line_idx, comment_prefix); |
| 4029 | } |
| 4030 | } else { |
| 4031 | // Comment all lines - find minimum indentation first for alignment |
| 4032 | let min_indent = (start_line..=end_line) |
| 4033 | .filter_map(|line_idx| { |
| 4034 | self.buffer().line_str(line_idx).map(|line| { |
| 4035 | if line.trim().is_empty() { |
| 4036 | usize::MAX // Don't count empty lines |
| 4037 | } else { |
| 4038 | line.chars().take_while(|c| c.is_whitespace()).count() |
| 4039 | } |
| 4040 | }) |
| 4041 | }) |
| 4042 | .min() |
| 4043 | .unwrap_or(0); |
| 4044 | |
| 4045 | for line_idx in start_line..=end_line { |
| 4046 | self.comment_line(line_idx, comment_prefix, min_indent); |
| 4047 | } |
| 4048 | } |
| 4049 | |
| 4050 | self.history_mut().end_group(); |
| 4051 | |
| 4052 | // Invalidate highlight cache for affected lines |
| 4053 | self.invalidate_highlight_cache(start_line); |
| 4054 | } |
| 4055 | |
| 4056 | /// Add a comment prefix to a line at the specified indentation level |
| 4057 | fn comment_line(&mut self, line_idx: usize, prefix: &str, indent: usize) { |
| 4058 | let Some(line) = self.buffer().line_str(line_idx) else { |
| 4059 | return; |
| 4060 | }; |
| 4061 | |
| 4062 | // Skip completely empty lines |
| 4063 | if line.is_empty() { |
| 4064 | return; |
| 4065 | } |
| 4066 | |
| 4067 | let cursor_before = self.cursor_pos(); |
| 4068 | |
| 4069 | // Insert comment prefix after the minimum indentation |
| 4070 | let insert_pos = self.buffer().line_col_to_char(line_idx, indent); |
| 4071 | let insert_text = format!("{} ", prefix); |
| 4072 | self.buffer_mut().insert(insert_pos, &insert_text); |
| 4073 | |
| 4074 | let cursor_after = self.cursor_pos(); |
| 4075 | self.history_mut().record_insert(insert_pos, insert_text, cursor_before, cursor_after); |
| 4076 | |
| 4077 | // Adjust cursor if on this line and after the insert point |
| 4078 | if self.cursor().line == line_idx && self.cursor().col >= indent { |
| 4079 | let prefix_len = prefix.len() + 1; // +1 for space |
| 4080 | self.cursor_mut().col += prefix_len; |
| 4081 | self.cursor_mut().desired_col = self.cursor().col; |
| 4082 | } |
| 4083 | } |
| 4084 | |
| 4085 | /// Remove a comment prefix from a line |
| 4086 | fn uncomment_line(&mut self, line_idx: usize, prefix: &str) { |
| 4087 | let Some(line) = self.buffer().line_str(line_idx) else { |
| 4088 | return; |
| 4089 | }; |
| 4090 | |
| 4091 | // Find where the comment prefix starts |
| 4092 | let trimmed = line.trim_start(); |
| 4093 | if !trimmed.starts_with(prefix) { |
| 4094 | return; |
| 4095 | } |
| 4096 | |
| 4097 | let cursor_before = self.cursor_pos(); |
| 4098 | |
| 4099 | // Calculate the position of the comment prefix |
| 4100 | let leading_spaces = line.len() - trimmed.len(); |
| 4101 | let delete_start = self.buffer().line_col_to_char(line_idx, leading_spaces); |
| 4102 | |
| 4103 | // Calculate how much to delete (prefix + optional space after) |
| 4104 | let delete_len = if trimmed.len() > prefix.len() && trimmed.chars().nth(prefix.len()) == Some(' ') { |
| 4105 | prefix.len() + 1 |
| 4106 | } else { |
| 4107 | prefix.len() |
| 4108 | }; |
| 4109 | |
| 4110 | let delete_end = delete_start + delete_len; |
| 4111 | let deleted_text: String = self.buffer().slice(delete_start, delete_end).chars().collect(); |
| 4112 | self.buffer_mut().delete(delete_start, delete_end); |
| 4113 | |
| 4114 | let cursor_after = self.cursor_pos(); |
| 4115 | self.history_mut().record_delete(delete_start, deleted_text, cursor_before, cursor_after); |
| 4116 | |
| 4117 | // Adjust cursor if on this line and after the deleted region |
| 4118 | if self.cursor().line == line_idx && self.cursor().col > leading_spaces { |
| 4119 | let new_col = if self.cursor().col >= leading_spaces + delete_len { |
| 4120 | self.cursor().col - delete_len |
| 4121 | } else { |
| 4122 | leading_spaces |
| 4123 | }; |
| 4124 | self.cursor_mut().col = new_col; |
| 4125 | self.cursor_mut().desired_col = self.cursor().col; |
| 4126 | } |
| 4127 | } |
| 4128 | |
| 4129 | // === Clipboard === |
| 4130 | |
| 4131 | fn get_selection_text(&self) -> Option<String> { |
| 4132 | self.cursor().selection_bounds().map(|(start, end)| { |
| 4133 | let start_idx = self.buffer().line_col_to_char(start.line, start.col); |
| 4134 | let end_idx = self.buffer().line_col_to_char(end.line, end.col); |
| 4135 | self.buffer().slice(start_idx, end_idx).chars().collect() |
| 4136 | }) |
| 4137 | } |
| 4138 | |
| 4139 | /// Set clipboard text (system if available, internal fallback) |
| 4140 | fn set_clipboard(&mut self, text: String) { |
| 4141 | if let Some(ref mut cb) = self.clipboard { |
| 4142 | let _ = cb.set_text(&text); |
| 4143 | } |
| 4144 | self.internal_clipboard = text; |
| 4145 | } |
| 4146 | |
| 4147 | /// Get clipboard text (system if available, internal fallback) |
| 4148 | fn get_clipboard(&mut self) -> String { |
| 4149 | if let Some(ref mut cb) = self.clipboard { |
| 4150 | if let Ok(text) = cb.get_text() { |
| 4151 | return text; |
| 4152 | } |
| 4153 | } |
| 4154 | self.internal_clipboard.clone() |
| 4155 | } |
| 4156 | |
| 4157 | fn copy(&mut self) { |
| 4158 | if let Some(text) = self.get_selection_text() { |
| 4159 | self.set_clipboard(text); |
| 4160 | self.message = Some("Copied".to_string()); |
| 4161 | } else { |
| 4162 | // Copy current line |
| 4163 | if let Some(line) = self.buffer().line_str(self.cursor().line) { |
| 4164 | self.set_clipboard(format!("{}\n", line)); |
| 4165 | self.message = Some("Copied line".to_string()); |
| 4166 | } |
| 4167 | } |
| 4168 | } |
| 4169 | |
| 4170 | fn cut(&mut self) { |
| 4171 | if let Some(text) = self.get_selection_text() { |
| 4172 | self.set_clipboard(text); |
| 4173 | self.delete_selection(); |
| 4174 | self.message = Some("Cut".to_string()); |
| 4175 | } else { |
| 4176 | // Cut current line |
| 4177 | if let Some(line) = self.buffer().line_str(self.cursor().line) { |
| 4178 | self.set_clipboard(format!("{}\n", line)); |
| 4179 | let cursor_before = self.cursor_pos(); |
| 4180 | |
| 4181 | let line_start = self.buffer().line_col_to_char(self.cursor().line, 0); |
| 4182 | |
| 4183 | if self.cursor().line + 1 < self.buffer().line_count() { |
| 4184 | // Not the last line - delete line including its newline |
| 4185 | let line_end = line_start + line.len() + 1; |
| 4186 | let deleted: String = self.buffer().slice(line_start, line_end).chars().collect(); |
| 4187 | self.buffer_mut().delete(line_start, line_end); |
| 4188 | self.cursor_mut().col = 0; |
| 4189 | self.cursor_mut().desired_col = 0; |
| 4190 | let cursor_after = self.cursor_pos(); |
| 4191 | self.history_mut().record_delete(line_start, deleted, cursor_before, cursor_after); |
| 4192 | } else if self.cursor().line > 0 { |
| 4193 | // Last line with content - delete newline before it and the line |
| 4194 | let delete_start = line_start.saturating_sub(1); |
| 4195 | let delete_end = line_start + line.len(); |
| 4196 | let deleted: String = self.buffer().slice(delete_start, delete_end).chars().collect(); |
| 4197 | self.buffer_mut().delete(delete_start, delete_end); |
| 4198 | self.cursor_mut().line -= 1; |
| 4199 | self.cursor_mut().col = 0; |
| 4200 | self.cursor_mut().desired_col = 0; |
| 4201 | let cursor_after = self.cursor_pos(); |
| 4202 | self.history_mut().record_delete(delete_start, deleted, cursor_before, cursor_after); |
| 4203 | } else { |
| 4204 | // Only line - just clear it |
| 4205 | if !line.is_empty() { |
| 4206 | self.buffer_mut().delete(line_start, line_start + line.len()); |
| 4207 | self.cursor_mut().col = 0; |
| 4208 | self.cursor_mut().desired_col = 0; |
| 4209 | let cursor_after = self.cursor_pos(); |
| 4210 | self.history_mut().record_delete(line_start, line.clone(), cursor_before, cursor_after); |
| 4211 | } |
| 4212 | } |
| 4213 | |
| 4214 | self.message = Some("Cut line".to_string()); |
| 4215 | } |
| 4216 | } |
| 4217 | self.history_mut().maybe_break_group(); |
| 4218 | } |
| 4219 | |
| 4220 | fn paste(&mut self) { |
| 4221 | let text = self.get_clipboard(); |
| 4222 | if !text.is_empty() { |
| 4223 | self.insert_text(&text); |
| 4224 | self.message = Some("Pasted".to_string()); |
| 4225 | self.history_mut().maybe_break_group(); |
| 4226 | } |
| 4227 | } |
| 4228 | |
| 4229 | // === Undo/Redo === |
| 4230 | |
| 4231 | fn undo(&mut self) { |
| 4232 | if let Some((ops, cursor_positions)) = self.history_mut().undo() { |
| 4233 | // Apply operations in reverse |
| 4234 | for op in ops.into_iter().rev() { |
| 4235 | match op { |
| 4236 | Operation::Insert { pos, text, .. } => { |
| 4237 | self.buffer_mut().delete(pos, pos + text.chars().count()); |
| 4238 | } |
| 4239 | Operation::Delete { pos, text, .. } => { |
| 4240 | self.buffer_mut().insert(pos, &text); |
| 4241 | } |
| 4242 | } |
| 4243 | } |
| 4244 | // Restore cursor positions from before the operation |
| 4245 | self.cursors_mut().set_from_positions(&cursor_positions); |
| 4246 | self.cursors_mut().clear_selections(); |
| 4247 | self.message = Some("Undo".to_string()); |
| 4248 | } |
| 4249 | } |
| 4250 | |
| 4251 | fn redo(&mut self) { |
| 4252 | if let Some((ops, cursor_positions)) = self.history_mut().redo() { |
| 4253 | // Apply operations forward |
| 4254 | for op in ops { |
| 4255 | match op { |
| 4256 | Operation::Insert { pos, text, .. } => { |
| 4257 | self.buffer_mut().insert(pos, &text); |
| 4258 | } |
| 4259 | Operation::Delete { pos, text, .. } => { |
| 4260 | self.buffer_mut().delete(pos, pos + text.chars().count()); |
| 4261 | } |
| 4262 | } |
| 4263 | } |
| 4264 | // Restore cursor positions from after the operation |
| 4265 | self.cursors_mut().set_from_positions(&cursor_positions); |
| 4266 | self.cursors_mut().clear_selections(); |
| 4267 | self.message = Some("Redo".to_string()); |
| 4268 | } |
| 4269 | } |
| 4270 | |
| 4271 | // === Viewport === |
| 4272 | |
| 4273 | fn scroll_to_cursor(&mut self) { |
| 4274 | // Calculate top offset (tab bar takes 1 row if multiple tabs) |
| 4275 | let top_offset = if self.workspace.tabs.len() > 1 { 1 } else { 0 }; |
| 4276 | // Vertical scrolling (2 rows reserved: gap + status bar, plus top_offset for tab bar) |
| 4277 | let visible_rows = (self.screen.rows as usize).saturating_sub(2 + top_offset); |
| 4278 | |
| 4279 | // In multi-cursor mode, scroll to the LAST cursor (most recently added) |
| 4280 | // This ensures Ctrl+D shows the newly found occurrence |
| 4281 | let cursors = self.cursors(); |
| 4282 | let target_cursor = if cursors.len() > 1 { |
| 4283 | cursors.all().last().unwrap() |
| 4284 | } else { |
| 4285 | cursors.primary() |
| 4286 | }; |
| 4287 | let cursor_line = target_cursor.line; |
| 4288 | let cursor_col = target_cursor.col; |
| 4289 | |
| 4290 | let viewport_line = self.viewport_line(); |
| 4291 | |
| 4292 | if cursor_line < viewport_line { |
| 4293 | self.set_viewport_line(cursor_line); |
| 4294 | } |
| 4295 | |
| 4296 | if cursor_line >= viewport_line + visible_rows { |
| 4297 | self.set_viewport_line(cursor_line - visible_rows + 1); |
| 4298 | } |
| 4299 | |
| 4300 | // Horizontal scrolling |
| 4301 | let line_num_width = self.screen.line_number_width(self.buffer().line_count()); |
| 4302 | let fuss_width = if self.workspace.fuss.active { |
| 4303 | self.workspace.fuss.width(self.screen.cols) |
| 4304 | } else { |
| 4305 | 0 |
| 4306 | }; |
| 4307 | // Available text columns = screen width - fuss sidebar - line numbers - 1 (separator) |
| 4308 | let visible_cols = (self.screen.cols as usize) |
| 4309 | .saturating_sub(fuss_width as usize) |
| 4310 | .saturating_sub(line_num_width + 1); |
| 4311 | |
| 4312 | let viewport_col = self.viewport_col(); |
| 4313 | |
| 4314 | // Keep some margin (3 chars) so cursor isn't right at the edge |
| 4315 | let margin = 3; |
| 4316 | |
| 4317 | if cursor_col < viewport_col { |
| 4318 | // Cursor is left of viewport - scroll left |
| 4319 | self.set_viewport_col(cursor_col.saturating_sub(margin)); |
| 4320 | } |
| 4321 | |
| 4322 | if cursor_col >= viewport_col + visible_cols.saturating_sub(margin) { |
| 4323 | // Cursor is right of viewport - scroll right |
| 4324 | self.set_viewport_col(cursor_col.saturating_sub(visible_cols.saturating_sub(margin + 1))); |
| 4325 | } |
| 4326 | } |
| 4327 | |
| 4328 | // === File operations === |
| 4329 | |
| 4330 | fn save(&mut self) -> Result<()> { |
| 4331 | let path = self.filename(); |
| 4332 | if let Some(ref p) = path { |
| 4333 | self.buffer_mut().save(p)?; |
| 4334 | self.buffer_entry_mut().mark_saved(); |
| 4335 | // Delete backup after successful save (use full path to match backup hash) |
| 4336 | let full_path = if self.buffer_entry().is_orphan { |
| 4337 | p.clone() |
| 4338 | } else { |
| 4339 | self.workspace.root.join(p) |
| 4340 | }; |
| 4341 | let _ = self.workspace.delete_backup(&full_path); |
| 4342 | self.message = Some("Saved".to_string()); |
| 4343 | } |
| 4344 | Ok(()) |
| 4345 | } |
| 4346 | |
| 4347 | // === Pane operations === |
| 4348 | |
| 4349 | fn split_vertical(&mut self) { |
| 4350 | self.tab_mut().split_vertical(); |
| 4351 | self.message = Some("Split vertical".to_string()); |
| 4352 | } |
| 4353 | |
| 4354 | fn split_horizontal(&mut self) { |
| 4355 | self.tab_mut().split_horizontal(); |
| 4356 | self.message = Some("Split horizontal".to_string()); |
| 4357 | } |
| 4358 | |
| 4359 | fn close_pane(&mut self) { |
| 4360 | // Check if current buffer has unsaved changes |
| 4361 | if self.buffer_entry_mut().is_modified() { |
| 4362 | self.prompt = PromptState::CloseBufferConfirm; |
| 4363 | self.message = Some("Unsaved changes. [S]ave / [D]iscard / [C]ancel".to_string()); |
| 4364 | return; |
| 4365 | } |
| 4366 | self.close_pane_force(); |
| 4367 | } |
| 4368 | |
| 4369 | /// Close pane without checking for unsaved changes (used after save/discard) |
| 4370 | fn close_pane_force(&mut self) { |
| 4371 | if self.workspace.active_tab_mut().close_active_pane() { |
| 4372 | // Last pane was closed - close the tab |
| 4373 | if self.workspace.close_active_tab() { |
| 4374 | // Last tab - quit the editor |
| 4375 | self.running = false; |
| 4376 | } else { |
| 4377 | self.message = Some("Tab closed".to_string()); |
| 4378 | } |
| 4379 | } else { |
| 4380 | self.message = Some("Pane closed".to_string()); |
| 4381 | } |
| 4382 | } |
| 4383 | |
| 4384 | fn next_pane(&mut self) { |
| 4385 | self.tab_mut().next_pane(); |
| 4386 | } |
| 4387 | |
| 4388 | fn prev_pane(&mut self) { |
| 4389 | self.tab_mut().prev_pane(); |
| 4390 | } |
| 4391 | |
| 4392 | fn navigate_pane_left(&mut self) { |
| 4393 | self.tab_mut().navigate_pane(PaneDirection::Left); |
| 4394 | } |
| 4395 | |
| 4396 | fn navigate_pane_right(&mut self) { |
| 4397 | self.tab_mut().navigate_pane(PaneDirection::Right); |
| 4398 | } |
| 4399 | |
| 4400 | fn navigate_pane_up(&mut self) { |
| 4401 | self.tab_mut().navigate_pane(PaneDirection::Up); |
| 4402 | } |
| 4403 | |
| 4404 | fn navigate_pane_down(&mut self) { |
| 4405 | self.tab_mut().navigate_pane(PaneDirection::Down); |
| 4406 | } |
| 4407 | |
| 4408 | // === Fuss mode (file tree) === |
| 4409 | |
| 4410 | fn toggle_fuss_mode(&mut self) { |
| 4411 | if !self.workspace.fuss.active { |
| 4412 | self.workspace.fuss.activate(&self.workspace.root); |
| 4413 | } else { |
| 4414 | self.workspace.fuss.deactivate(); |
| 4415 | } |
| 4416 | } |
| 4417 | |
| 4418 | fn handle_fuss_key(&mut self, key: Key, mods: Modifiers) -> Result<()> { |
| 4419 | // Handle git mode separately |
| 4420 | if self.workspace.fuss.git_mode { |
| 4421 | return self.handle_fuss_git_key(key, mods); |
| 4422 | } |
| 4423 | |
| 4424 | match (&key, &mods) { |
| 4425 | // Quit: Ctrl+Q (still works in fuss mode) |
| 4426 | (Key::Char('q'), Modifiers { ctrl: true, .. }) => { |
| 4427 | self.try_quit(); |
| 4428 | } |
| 4429 | |
| 4430 | // Exit fuss mode (Escape or F3) |
| 4431 | (Key::Escape, _) | (Key::F(3), _) => { |
| 4432 | self.workspace.fuss.filter_clear(); |
| 4433 | self.workspace.fuss.deactivate(); |
| 4434 | } |
| 4435 | |
| 4436 | // Navigation |
| 4437 | (Key::Up, _) => { |
| 4438 | self.workspace.fuss.filter_clear(); |
| 4439 | self.workspace.fuss.move_up(); |
| 4440 | } |
| 4441 | (Key::Down, _) => { |
| 4442 | self.workspace.fuss.filter_clear(); |
| 4443 | self.workspace.fuss.move_down(); |
| 4444 | } |
| 4445 | |
| 4446 | // Toggle expand/collapse directory, or collapse parent if on a file/collapsed dir |
| 4447 | (Key::Char(' '), _) => { |
| 4448 | self.workspace.fuss.filter_clear(); |
| 4449 | if self.workspace.fuss.is_dir_selected() { |
| 4450 | // If on a directory, toggle its expand state |
| 4451 | self.workspace.fuss.toggle_expand(); |
| 4452 | } else { |
| 4453 | // If on a file, collapse parent directory |
| 4454 | self.workspace.fuss.collapse_parent(); |
| 4455 | } |
| 4456 | } |
| 4457 | |
| 4458 | // Expand directory (right arrow) |
| 4459 | (Key::Right, _) => { |
| 4460 | self.workspace.fuss.filter_clear(); |
| 4461 | if self.workspace.fuss.is_dir_selected() { |
| 4462 | // Only expand if not already expanded |
| 4463 | if let Some(ref tree) = self.workspace.fuss.tree { |
| 4464 | let items = tree.visible_items(); |
| 4465 | if let Some(item) = items.get(self.workspace.fuss.selected) { |
| 4466 | if item.is_dir && !item.expanded { |
| 4467 | self.workspace.fuss.toggle_expand(); |
| 4468 | } |
| 4469 | } |
| 4470 | } |
| 4471 | } |
| 4472 | } |
| 4473 | |
| 4474 | // Collapse directory or go to parent (left arrow) |
| 4475 | (Key::Left, _) => { |
| 4476 | self.workspace.fuss.filter_clear(); |
| 4477 | let mut collapsed = false; |
| 4478 | if self.workspace.fuss.is_dir_selected() { |
| 4479 | // If on an expanded directory, collapse it |
| 4480 | if let Some(ref tree) = self.workspace.fuss.tree { |
| 4481 | let items = tree.visible_items(); |
| 4482 | if let Some(item) = items.get(self.workspace.fuss.selected) { |
| 4483 | if item.is_dir && item.expanded { |
| 4484 | self.workspace.fuss.toggle_expand(); |
| 4485 | collapsed = true; |
| 4486 | } |
| 4487 | } |
| 4488 | } |
| 4489 | } |
| 4490 | // If not collapsed (either a file or already-collapsed dir), go to parent |
| 4491 | if !collapsed { |
| 4492 | self.workspace.fuss.collapse_parent(); |
| 4493 | } |
| 4494 | } |
| 4495 | |
| 4496 | // Open file or toggle directory |
| 4497 | (Key::Enter, _) => { |
| 4498 | self.workspace.fuss.filter_clear(); |
| 4499 | if self.workspace.fuss.is_dir_selected() { |
| 4500 | self.workspace.fuss.toggle_expand(); |
| 4501 | } else if let Some(path) = self.workspace.fuss.selected_file() { |
| 4502 | self.open_file(&path)?; |
| 4503 | self.workspace.fuss.deactivate(); |
| 4504 | } |
| 4505 | } |
| 4506 | |
| 4507 | // Toggle hidden files: Alt+. |
| 4508 | (Key::Char('.'), Modifiers { alt: true, .. }) => { |
| 4509 | self.workspace.fuss.toggle_hidden(); |
| 4510 | } |
| 4511 | |
| 4512 | // Toggle hints (Ctrl+/ may send different codes depending on terminal) |
| 4513 | // Different terminals send: Ctrl+/, Ctrl+_, \x1f (ASCII 31), or Ctrl+7 |
| 4514 | (Key::Char('/'), Modifiers { ctrl: true, .. }) |
| 4515 | | (Key::Char('_'), Modifiers { ctrl: true, .. }) |
| 4516 | | (Key::Char('\x1f'), _) // ASCII 31 = Ctrl+/ |
| 4517 | | (Key::Char('7'), Modifiers { ctrl: true, .. }) => { |
| 4518 | self.workspace.fuss.toggle_hints(); |
| 4519 | } |
| 4520 | |
| 4521 | // Open file in vertical split: Ctrl+V |
| 4522 | (Key::Char('v'), Modifiers { ctrl: true, .. }) => { |
| 4523 | if !self.workspace.fuss.is_dir_selected() { |
| 4524 | if let Some(path) = self.workspace.fuss.selected_file() { |
| 4525 | self.open_file_in_vsplit(&path)?; |
| 4526 | self.workspace.fuss.deactivate(); |
| 4527 | } |
| 4528 | } |
| 4529 | } |
| 4530 | |
| 4531 | // Open file in horizontal split: Ctrl+S |
| 4532 | (Key::Char('s'), Modifiers { ctrl: true, .. }) => { |
| 4533 | if !self.workspace.fuss.is_dir_selected() { |
| 4534 | if let Some(path) = self.workspace.fuss.selected_file() { |
| 4535 | self.open_file_in_hsplit(&path)?; |
| 4536 | self.workspace.fuss.deactivate(); |
| 4537 | } |
| 4538 | } |
| 4539 | } |
| 4540 | |
| 4541 | // Enter git mode: Alt+G |
| 4542 | (Key::Char('g'), Modifiers { alt: true, .. }) => { |
| 4543 | self.workspace.fuss.enter_git_mode(); |
| 4544 | self.message = Some("Git: [a]dd [u]nstage [d]iff [m]sg [p]ush pu[l]l [f]etch [t]ag".to_string()); |
| 4545 | } |
| 4546 | |
| 4547 | // Backspace: remove last filter character |
| 4548 | (Key::Backspace, _) => { |
| 4549 | self.workspace.fuss.filter_pop(); |
| 4550 | } |
| 4551 | |
| 4552 | // Regular characters: add to filter for fuzzy jump |
| 4553 | (Key::Char(c), Modifiers { ctrl: false, alt: false, .. }) => { |
| 4554 | self.workspace.fuss.filter_push(*c); |
| 4555 | } |
| 4556 | |
| 4557 | _ => {} |
| 4558 | } |
| 4559 | Ok(()) |
| 4560 | } |
| 4561 | |
| 4562 | /// Handle keys when in git sub-mode within fuss |
| 4563 | fn handle_fuss_git_key(&mut self, key: Key, mods: Modifiers) -> Result<()> { |
| 4564 | // Any key exits git mode (after potentially doing an action) |
| 4565 | self.workspace.fuss.exit_git_mode(); |
| 4566 | self.message = None; |
| 4567 | |
| 4568 | match (&key, &mods) { |
| 4569 | // Git: Stage file (a) |
| 4570 | (Key::Char('a'), _) => { |
| 4571 | if self.workspace.fuss.stage_selected() { |
| 4572 | self.message = Some("Staged".to_string()); |
| 4573 | } else { |
| 4574 | self.message = Some("Failed to stage".to_string()); |
| 4575 | } |
| 4576 | } |
| 4577 | |
| 4578 | // Git: Unstage file (u) |
| 4579 | (Key::Char('u'), _) => { |
| 4580 | if self.workspace.fuss.unstage_selected() { |
| 4581 | self.message = Some("Unstaged".to_string()); |
| 4582 | } else { |
| 4583 | self.message = Some("Failed to unstage".to_string()); |
| 4584 | } |
| 4585 | } |
| 4586 | |
| 4587 | // Git: Show diff (d) |
| 4588 | (Key::Char('d'), _) => { |
| 4589 | if let Some((filename, diff)) = self.workspace.fuss.get_diff_for_selected() { |
| 4590 | let display_name = format!("[diff] {}", filename); |
| 4591 | self.workspace.open_content_tab(&diff, &display_name); |
| 4592 | self.workspace.fuss.deactivate(); |
| 4593 | } else { |
| 4594 | self.message = Some("No diff available".to_string()); |
| 4595 | } |
| 4596 | } |
| 4597 | |
| 4598 | // Git: Commit (m) - opens prompt for commit message |
| 4599 | (Key::Char('m'), _) => { |
| 4600 | self.prompt = PromptState::TextInput { |
| 4601 | label: "Commit message: ".to_string(), |
| 4602 | buffer: String::new(), |
| 4603 | action: TextInputAction::GitCommit, |
| 4604 | }; |
| 4605 | self.message = Some("Enter commit message (Enter to commit, Esc to cancel)".to_string()); |
| 4606 | } |
| 4607 | |
| 4608 | // Git: Push (p) |
| 4609 | (Key::Char('p'), _) => { |
| 4610 | let (_, msg) = self.workspace.fuss.git_push(); |
| 4611 | self.message = Some(msg); |
| 4612 | } |
| 4613 | |
| 4614 | // Git: Pull (l) |
| 4615 | (Key::Char('l'), _) => { |
| 4616 | let (_, msg) = self.workspace.fuss.git_pull(); |
| 4617 | self.message = Some(msg); |
| 4618 | } |
| 4619 | |
| 4620 | // Git: Fetch (f) |
| 4621 | (Key::Char('f'), _) => { |
| 4622 | let (_, msg) = self.workspace.fuss.git_fetch(); |
| 4623 | self.message = Some(msg); |
| 4624 | } |
| 4625 | |
| 4626 | // Git: Tag (t) - opens prompt for tag name |
| 4627 | (Key::Char('t'), _) => { |
| 4628 | self.prompt = PromptState::TextInput { |
| 4629 | label: "Tag name: ".to_string(), |
| 4630 | buffer: String::new(), |
| 4631 | action: TextInputAction::GitTag, |
| 4632 | }; |
| 4633 | self.message = Some("Enter tag name (Enter to create, Esc to cancel)".to_string()); |
| 4634 | } |
| 4635 | |
| 4636 | // Escape or any other key just cancels git mode |
| 4637 | _ => {} |
| 4638 | } |
| 4639 | Ok(()) |
| 4640 | } |
| 4641 | |
| 4642 | fn open_file(&mut self, path: &Path) -> Result<()> { |
| 4643 | self.workspace.open_file(path) |
| 4644 | } |
| 4645 | |
| 4646 | fn open_file_in_vsplit(&mut self, path: &Path) -> Result<()> { |
| 4647 | self.workspace.open_file_in_vsplit(path)?; |
| 4648 | self.message = Some("Opened in vertical split".to_string()); |
| 4649 | Ok(()) |
| 4650 | } |
| 4651 | |
| 4652 | fn open_file_in_hsplit(&mut self, path: &Path) -> Result<()> { |
| 4653 | self.workspace.open_file_in_hsplit(path)?; |
| 4654 | self.message = Some("Opened in horizontal split".to_string()); |
| 4655 | Ok(()) |
| 4656 | } |
| 4657 | |
| 4658 | // === Quit and prompt handling === |
| 4659 | |
| 4660 | fn try_quit(&mut self) { |
| 4661 | if self.workspace.has_unsaved_changes() { |
| 4662 | // Show quit confirmation prompt |
| 4663 | self.prompt = PromptState::QuitConfirm; |
| 4664 | self.message = Some("Unsaved changes. [S]ave all / [D]iscard / [C]ancel".to_string()); |
| 4665 | } else { |
| 4666 | // No unsaved changes, quit immediately |
| 4667 | self.running = false; |
| 4668 | } |
| 4669 | } |
| 4670 | |
| 4671 | fn handle_prompt_key(&mut self, key: Key) -> Result<()> { |
| 4672 | match self.prompt { |
| 4673 | PromptState::QuitConfirm => { |
| 4674 | match key { |
| 4675 | Key::Char('s') | Key::Char('S') => { |
| 4676 | // Save all and quit |
| 4677 | if let Err(e) = self.workspace.save_all() { |
| 4678 | self.message = Some(format!("Save failed: {}", e)); |
| 4679 | } else { |
| 4680 | self.running = false; |
| 4681 | } |
| 4682 | self.prompt = PromptState::None; |
| 4683 | } |
| 4684 | Key::Char('d') | Key::Char('D') => { |
| 4685 | // Discard changes and quit - delete backups |
| 4686 | let _ = self.workspace.delete_all_backups(); |
| 4687 | self.running = false; |
| 4688 | self.prompt = PromptState::None; |
| 4689 | } |
| 4690 | Key::Char('c') | Key::Char('C') | Key::Escape => { |
| 4691 | // Cancel - return to editing |
| 4692 | self.prompt = PromptState::None; |
| 4693 | self.message = None; |
| 4694 | } |
| 4695 | _ => { |
| 4696 | // Repeat the prompt |
| 4697 | self.message = Some("Unsaved changes. [S]ave all / [D]iscard / [C]ancel".to_string()); |
| 4698 | } |
| 4699 | } |
| 4700 | } |
| 4701 | PromptState::CloseBufferConfirm => { |
| 4702 | match key { |
| 4703 | Key::Char('s') | Key::Char('S') => { |
| 4704 | // Save and close |
| 4705 | if let Err(e) = self.save() { |
| 4706 | self.message = Some(format!("Save failed: {}", e)); |
| 4707 | } else { |
| 4708 | self.prompt = PromptState::None; |
| 4709 | self.close_pane_force(); |
| 4710 | } |
| 4711 | } |
| 4712 | Key::Char('d') | Key::Char('D') => { |
| 4713 | // Discard changes - delete backup for this buffer and close |
| 4714 | if let Some(path) = self.buffer_entry().path.clone() { |
| 4715 | let full_path = if self.buffer_entry().is_orphan { |
| 4716 | path.clone() |
| 4717 | } else { |
| 4718 | self.workspace.root.join(&path) |
| 4719 | }; |
| 4720 | let _ = self.workspace.delete_backup(&full_path); |
| 4721 | } |
| 4722 | self.prompt = PromptState::None; |
| 4723 | self.close_pane_force(); |
| 4724 | } |
| 4725 | Key::Char('c') | Key::Char('C') | Key::Escape => { |
| 4726 | // Cancel - return to editing |
| 4727 | self.prompt = PromptState::None; |
| 4728 | self.message = None; |
| 4729 | } |
| 4730 | _ => { |
| 4731 | // Repeat the prompt |
| 4732 | self.message = Some("Unsaved changes. [S]ave / [D]iscard / [C]ancel".to_string()); |
| 4733 | } |
| 4734 | } |
| 4735 | } |
| 4736 | PromptState::RestoreBackup => { |
| 4737 | match key { |
| 4738 | Key::Char('r') | Key::Char('R') => { |
| 4739 | // Restore backups |
| 4740 | if let Err(e) = self.restore_backups() { |
| 4741 | self.message = Some(format!("Restore failed: {}", e)); |
| 4742 | } else { |
| 4743 | self.message = Some("Restored unsaved changes".to_string()); |
| 4744 | } |
| 4745 | self.prompt = PromptState::None; |
| 4746 | } |
| 4747 | Key::Char('d') | Key::Char('D') | Key::Escape => { |
| 4748 | // Discard backups (Escape = discard) |
| 4749 | let _ = self.workspace.delete_all_backups(); |
| 4750 | self.message = Some("Discarded recovered changes".to_string()); |
| 4751 | self.prompt = PromptState::None; |
| 4752 | } |
| 4753 | _ => { |
| 4754 | // Repeat the prompt |
| 4755 | self.message = Some("Recovered unsaved changes. [R]estore / [D]iscard / [Esc]".to_string()); |
| 4756 | } |
| 4757 | } |
| 4758 | } |
| 4759 | PromptState::TextInput { ref label, ref mut buffer, ref action } => { |
| 4760 | match key { |
| 4761 | Key::Enter => { |
| 4762 | // Execute the action |
| 4763 | let action = action.clone(); |
| 4764 | let buffer = buffer.clone(); |
| 4765 | self.prompt = PromptState::None; |
| 4766 | self.execute_text_input_action(action, &buffer); |
| 4767 | } |
| 4768 | Key::Escape => { |
| 4769 | // Cancel |
| 4770 | self.prompt = PromptState::None; |
| 4771 | self.message = Some("Cancelled".to_string()); |
| 4772 | } |
| 4773 | Key::Backspace => { |
| 4774 | // Delete last character |
| 4775 | buffer.pop(); |
| 4776 | self.message = Some(format!("{}{}", label, buffer)); |
| 4777 | } |
| 4778 | Key::Char(c) => { |
| 4779 | // Add character to buffer |
| 4780 | buffer.push(c); |
| 4781 | self.message = Some(format!("{}{}", label, buffer)); |
| 4782 | } |
| 4783 | _ => { |
| 4784 | // Update display |
| 4785 | self.message = Some(format!("{}{}", label, buffer)); |
| 4786 | } |
| 4787 | } |
| 4788 | } |
| 4789 | PromptState::RenameModal { ref original_name, ref mut new_name, ref path, line, col } => { |
| 4790 | match key { |
| 4791 | Key::Enter => { |
| 4792 | // Clone values before modifying self.prompt |
| 4793 | let original = original_name.clone(); |
| 4794 | let new = new_name.clone(); |
| 4795 | let path = path.clone(); |
| 4796 | |
| 4797 | // Execute rename |
| 4798 | if new.is_empty() { |
| 4799 | self.prompt = PromptState::None; |
| 4800 | self.message = Some("Rename cancelled: empty name".to_string()); |
| 4801 | } else if new == original { |
| 4802 | self.prompt = PromptState::None; |
| 4803 | self.message = Some("Rename cancelled: name unchanged".to_string()); |
| 4804 | } else { |
| 4805 | self.prompt = PromptState::None; |
| 4806 | match self.workspace.lsp.request_rename(&path, line, col, &new) { |
| 4807 | Ok(_id) => { |
| 4808 | self.message = Some(format!("Renaming '{}' to '{}'...", original, new)); |
| 4809 | } |
| 4810 | Err(e) => { |
| 4811 | self.message = Some(format!("Rename failed: {}", e)); |
| 4812 | } |
| 4813 | } |
| 4814 | } |
| 4815 | } |
| 4816 | Key::Escape => { |
| 4817 | self.prompt = PromptState::None; |
| 4818 | self.message = Some("Rename cancelled".to_string()); |
| 4819 | } |
| 4820 | Key::Backspace => { |
| 4821 | new_name.pop(); |
| 4822 | } |
| 4823 | Key::Char(c) => { |
| 4824 | new_name.push(c); |
| 4825 | } |
| 4826 | _ => {} |
| 4827 | } |
| 4828 | } |
| 4829 | PromptState::ReferencesPanel { ref locations, ref mut selected_index, ref mut query } => { |
| 4830 | // Filter locations based on query |
| 4831 | let filtered: Vec<(usize, &Location)> = if query.is_empty() { |
| 4832 | locations.iter().enumerate().collect() |
| 4833 | } else { |
| 4834 | let q = query.to_lowercase(); |
| 4835 | locations.iter().enumerate() |
| 4836 | .filter(|(_, loc)| { |
| 4837 | loc.uri.to_lowercase().contains(&q) |
| 4838 | }) |
| 4839 | .collect() |
| 4840 | }; |
| 4841 | |
| 4842 | match key { |
| 4843 | Key::Enter => { |
| 4844 | // Jump to selected reference |
| 4845 | if let Some((orig_idx, _)) = filtered.get(*selected_index) { |
| 4846 | let loc = locations[*orig_idx].clone(); |
| 4847 | self.prompt = PromptState::None; |
| 4848 | self.goto_location(&loc); |
| 4849 | } |
| 4850 | } |
| 4851 | Key::Escape => { |
| 4852 | self.prompt = PromptState::None; |
| 4853 | self.message = None; |
| 4854 | } |
| 4855 | Key::Up => { |
| 4856 | if *selected_index > 0 { |
| 4857 | *selected_index -= 1; |
| 4858 | } |
| 4859 | } |
| 4860 | Key::Down => { |
| 4861 | if *selected_index + 1 < filtered.len() { |
| 4862 | *selected_index += 1; |
| 4863 | } |
| 4864 | } |
| 4865 | Key::PageUp => { |
| 4866 | *selected_index = selected_index.saturating_sub(10); |
| 4867 | } |
| 4868 | Key::PageDown => { |
| 4869 | *selected_index = (*selected_index + 10).min(filtered.len().saturating_sub(1)); |
| 4870 | } |
| 4871 | Key::Home => { |
| 4872 | *selected_index = 0; |
| 4873 | } |
| 4874 | Key::End => { |
| 4875 | if !filtered.is_empty() { |
| 4876 | *selected_index = filtered.len() - 1; |
| 4877 | } |
| 4878 | } |
| 4879 | Key::Backspace => { |
| 4880 | query.pop(); |
| 4881 | // Reset selection when filter changes |
| 4882 | *selected_index = 0; |
| 4883 | } |
| 4884 | Key::Char(c) => { |
| 4885 | query.push(c); |
| 4886 | // Reset selection when filter changes |
| 4887 | *selected_index = 0; |
| 4888 | } |
| 4889 | _ => {} |
| 4890 | } |
| 4891 | } |
| 4892 | PromptState::FindReplace { |
| 4893 | ref mut find_query, |
| 4894 | ref mut replace_text, |
| 4895 | ref mut active_field, |
| 4896 | case_insensitive: _, |
| 4897 | regex_mode: _, |
| 4898 | } => { |
| 4899 | match key { |
| 4900 | Key::Escape => { |
| 4901 | self.prompt = PromptState::None; |
| 4902 | self.search_state.matches.clear(); |
| 4903 | self.message = None; |
| 4904 | } |
| 4905 | Key::Enter => { |
| 4906 | if *active_field == FindReplaceField::Find { |
| 4907 | // Find next |
| 4908 | self.find_next(); |
| 4909 | } else { |
| 4910 | // Replace current and find next |
| 4911 | self.replace_current(); |
| 4912 | } |
| 4913 | } |
| 4914 | Key::Tab => { |
| 4915 | // Switch between find and replace fields |
| 4916 | *active_field = if *active_field == FindReplaceField::Find { |
| 4917 | FindReplaceField::Replace |
| 4918 | } else { |
| 4919 | FindReplaceField::Find |
| 4920 | }; |
| 4921 | } |
| 4922 | Key::BackTab => { |
| 4923 | // Switch in reverse |
| 4924 | *active_field = if *active_field == FindReplaceField::Replace { |
| 4925 | FindReplaceField::Find |
| 4926 | } else { |
| 4927 | FindReplaceField::Replace |
| 4928 | }; |
| 4929 | } |
| 4930 | Key::Up => { |
| 4931 | // Find previous |
| 4932 | self.find_prev(); |
| 4933 | } |
| 4934 | Key::Down => { |
| 4935 | // Find next |
| 4936 | self.find_next(); |
| 4937 | } |
| 4938 | Key::Backspace => { |
| 4939 | if *active_field == FindReplaceField::Find { |
| 4940 | find_query.pop(); |
| 4941 | self.search_state.last_query.clear(); // Force re-search |
| 4942 | self.update_search_matches(); |
| 4943 | } else { |
| 4944 | replace_text.pop(); |
| 4945 | } |
| 4946 | } |
| 4947 | Key::Char(c) => { |
| 4948 | if *active_field == FindReplaceField::Find { |
| 4949 | find_query.push(c); |
| 4950 | self.search_state.last_query.clear(); // Force re-search |
| 4951 | self.update_search_matches(); |
| 4952 | } else { |
| 4953 | replace_text.push(c); |
| 4954 | } |
| 4955 | } |
| 4956 | _ => {} |
| 4957 | } |
| 4958 | } |
| 4959 | PromptState::Fortress { |
| 4960 | ref current_path, |
| 4961 | ref entries, |
| 4962 | ref mut selected_index, |
| 4963 | ref mut filter, |
| 4964 | ref mut scroll_offset, |
| 4965 | } => { |
| 4966 | // Filter entries based on query |
| 4967 | let filtered: Vec<(usize, &FortressEntry)> = if filter.is_empty() { |
| 4968 | entries.iter().enumerate().collect() |
| 4969 | } else { |
| 4970 | let f = filter.to_lowercase(); |
| 4971 | entries.iter().enumerate() |
| 4972 | .filter(|(_, e)| e.name.to_lowercase().contains(&f)) |
| 4973 | .collect() |
| 4974 | }; |
| 4975 | |
| 4976 | match key { |
| 4977 | Key::Enter => { |
| 4978 | // Open selected entry |
| 4979 | if let Some((orig_idx, _entry)) = filtered.get(*selected_index) { |
| 4980 | let entry = entries[*orig_idx].clone(); |
| 4981 | if entry.is_dir { |
| 4982 | // Navigate into directory |
| 4983 | self.fortress_navigate_to(&entry.path); |
| 4984 | } else { |
| 4985 | // Open the file |
| 4986 | self.prompt = PromptState::None; |
| 4987 | self.fortress_open_file(&entry.path); |
| 4988 | } |
| 4989 | } |
| 4990 | } |
| 4991 | Key::Escape => { |
| 4992 | self.prompt = PromptState::None; |
| 4993 | self.message = None; |
| 4994 | } |
| 4995 | Key::Backspace if filter.is_empty() => { |
| 4996 | // Go up one directory when filter is empty |
| 4997 | if let Some(parent) = current_path.parent() { |
| 4998 | let parent = parent.to_path_buf(); |
| 4999 | self.fortress_navigate_to(&parent); |
| 5000 | } |
| 5001 | } |
| 5002 | Key::Backspace => { |
| 5003 | filter.pop(); |
| 5004 | *selected_index = 0; |
| 5005 | *scroll_offset = 0; |
| 5006 | } |
| 5007 | Key::Up => { |
| 5008 | if *selected_index > 0 { |
| 5009 | *selected_index -= 1; |
| 5010 | // Adjust scroll |
| 5011 | if *selected_index < *scroll_offset { |
| 5012 | *scroll_offset = *selected_index; |
| 5013 | } |
| 5014 | } |
| 5015 | } |
| 5016 | Key::Down => { |
| 5017 | if *selected_index + 1 < filtered.len() { |
| 5018 | *selected_index += 1; |
| 5019 | } |
| 5020 | } |
| 5021 | Key::Left => { |
| 5022 | // Go up one directory |
| 5023 | if let Some(parent) = current_path.parent() { |
| 5024 | let parent = parent.to_path_buf(); |
| 5025 | self.fortress_navigate_to(&parent); |
| 5026 | } |
| 5027 | } |
| 5028 | Key::Right => { |
| 5029 | // Enter selected directory (same as Enter for dirs) |
| 5030 | if let Some((orig_idx, _)) = filtered.get(*selected_index) { |
| 5031 | let entry = entries[*orig_idx].clone(); |
| 5032 | if entry.is_dir { |
| 5033 | self.fortress_navigate_to(&entry.path); |
| 5034 | } |
| 5035 | } |
| 5036 | } |
| 5037 | Key::PageUp => { |
| 5038 | *selected_index = selected_index.saturating_sub(10); |
| 5039 | *scroll_offset = scroll_offset.saturating_sub(10); |
| 5040 | } |
| 5041 | Key::PageDown => { |
| 5042 | let max = filtered.len().saturating_sub(1); |
| 5043 | *selected_index = (*selected_index + 10).min(max); |
| 5044 | } |
| 5045 | Key::Home => { |
| 5046 | *selected_index = 0; |
| 5047 | *scroll_offset = 0; |
| 5048 | } |
| 5049 | Key::End => { |
| 5050 | if !filtered.is_empty() { |
| 5051 | *selected_index = filtered.len() - 1; |
| 5052 | } |
| 5053 | } |
| 5054 | Key::Char(c) => { |
| 5055 | filter.push(c); |
| 5056 | *selected_index = 0; |
| 5057 | *scroll_offset = 0; |
| 5058 | } |
| 5059 | _ => {} |
| 5060 | } |
| 5061 | } |
| 5062 | PromptState::FileSearch { |
| 5063 | ref mut query, |
| 5064 | ref mut results, |
| 5065 | ref mut selected_index, |
| 5066 | ref mut scroll_offset, |
| 5067 | searching: _, |
| 5068 | } => { |
| 5069 | match key { |
| 5070 | Key::Enter => { |
| 5071 | if !query.is_empty() && results.is_empty() { |
| 5072 | // Trigger search - clone query first to avoid borrow conflict |
| 5073 | let query_str = query.clone(); |
| 5074 | let new_results = self.search_files(&query_str); |
| 5075 | // Re-borrow after search |
| 5076 | if let PromptState::FileSearch { results, selected_index, scroll_offset, .. } = &mut self.prompt { |
| 5077 | *results = new_results; |
| 5078 | *selected_index = 0; |
| 5079 | *scroll_offset = 0; |
| 5080 | } |
| 5081 | } else if !results.is_empty() { |
| 5082 | // Open selected result |
| 5083 | let result = results[*selected_index].clone(); |
| 5084 | self.prompt = PromptState::None; |
| 5085 | self.file_search_open_result(&result); |
| 5086 | } |
| 5087 | } |
| 5088 | Key::Escape => { |
| 5089 | self.prompt = PromptState::None; |
| 5090 | self.message = None; |
| 5091 | } |
| 5092 | Key::Backspace => { |
| 5093 | if !query.is_empty() { |
| 5094 | query.pop(); |
| 5095 | // Clear results when query changes |
| 5096 | results.clear(); |
| 5097 | *selected_index = 0; |
| 5098 | *scroll_offset = 0; |
| 5099 | } |
| 5100 | } |
| 5101 | Key::Up => { |
| 5102 | if *selected_index > 0 { |
| 5103 | *selected_index -= 1; |
| 5104 | if *selected_index < *scroll_offset { |
| 5105 | *scroll_offset = *selected_index; |
| 5106 | } |
| 5107 | } |
| 5108 | } |
| 5109 | Key::Down => { |
| 5110 | if *selected_index + 1 < results.len() { |
| 5111 | *selected_index += 1; |
| 5112 | } |
| 5113 | } |
| 5114 | Key::PageUp => { |
| 5115 | *selected_index = selected_index.saturating_sub(10); |
| 5116 | *scroll_offset = scroll_offset.saturating_sub(10); |
| 5117 | } |
| 5118 | Key::PageDown => { |
| 5119 | let max = results.len().saturating_sub(1); |
| 5120 | *selected_index = (*selected_index + 10).min(max); |
| 5121 | } |
| 5122 | Key::Home => { |
| 5123 | *selected_index = 0; |
| 5124 | *scroll_offset = 0; |
| 5125 | } |
| 5126 | Key::End => { |
| 5127 | if !results.is_empty() { |
| 5128 | *selected_index = results.len() - 1; |
| 5129 | } |
| 5130 | } |
| 5131 | Key::Char(c) => { |
| 5132 | query.push(c); |
| 5133 | // Clear results when query changes |
| 5134 | results.clear(); |
| 5135 | *selected_index = 0; |
| 5136 | *scroll_offset = 0; |
| 5137 | } |
| 5138 | _ => {} |
| 5139 | } |
| 5140 | } |
| 5141 | PromptState::CommandPalette { |
| 5142 | ref mut query, |
| 5143 | ref mut filtered, |
| 5144 | ref mut selected_index, |
| 5145 | ref mut scroll_offset, |
| 5146 | } => { |
| 5147 | match key { |
| 5148 | Key::Escape => { |
| 5149 | self.prompt = PromptState::None; |
| 5150 | } |
| 5151 | Key::Enter => { |
| 5152 | // Execute selected command |
| 5153 | if let Some(cmd) = filtered.get(*selected_index) { |
| 5154 | let cmd_id = cmd.id.to_string(); |
| 5155 | self.prompt = PromptState::None; |
| 5156 | self.execute_command(&cmd_id); |
| 5157 | self.scroll_to_cursor(); // Ensure viewport follows cursor after command |
| 5158 | } else { |
| 5159 | self.prompt = PromptState::None; |
| 5160 | } |
| 5161 | } |
| 5162 | Key::Up => { |
| 5163 | if *selected_index > 0 { |
| 5164 | *selected_index -= 1; |
| 5165 | if *selected_index < *scroll_offset { |
| 5166 | *scroll_offset = *selected_index; |
| 5167 | } |
| 5168 | } |
| 5169 | } |
| 5170 | Key::Down => { |
| 5171 | if *selected_index + 1 < filtered.len() { |
| 5172 | *selected_index += 1; |
| 5173 | // Keep selected item visible (assume ~15 visible rows) |
| 5174 | let visible_rows = 15; |
| 5175 | if *selected_index >= *scroll_offset + visible_rows { |
| 5176 | *scroll_offset = selected_index.saturating_sub(visible_rows - 1); |
| 5177 | } |
| 5178 | } |
| 5179 | } |
| 5180 | Key::PageUp => { |
| 5181 | *selected_index = selected_index.saturating_sub(10); |
| 5182 | if *selected_index < *scroll_offset { |
| 5183 | *scroll_offset = *selected_index; |
| 5184 | } |
| 5185 | } |
| 5186 | Key::PageDown => { |
| 5187 | *selected_index = (*selected_index + 10).min(filtered.len().saturating_sub(1)); |
| 5188 | let visible_rows = 15; |
| 5189 | if *selected_index >= *scroll_offset + visible_rows { |
| 5190 | *scroll_offset = selected_index.saturating_sub(visible_rows - 1); |
| 5191 | } |
| 5192 | } |
| 5193 | Key::Backspace => { |
| 5194 | if !query.is_empty() { |
| 5195 | query.pop(); |
| 5196 | *filtered = filter_commands(query); |
| 5197 | *selected_index = 0; |
| 5198 | *scroll_offset = 0; |
| 5199 | } |
| 5200 | } |
| 5201 | Key::Char(c) => { |
| 5202 | query.push(c); |
| 5203 | *filtered = filter_commands(query); |
| 5204 | *selected_index = 0; |
| 5205 | *scroll_offset = 0; |
| 5206 | } |
| 5207 | _ => {} |
| 5208 | } |
| 5209 | } |
| 5210 | PromptState::HelpMenu { |
| 5211 | ref mut query, |
| 5212 | ref mut filtered, |
| 5213 | ref mut selected_index, |
| 5214 | ref mut scroll_offset, |
| 5215 | ref mut show_alt, |
| 5216 | } => { |
| 5217 | match key { |
| 5218 | Key::Escape | Key::Enter => { |
| 5219 | self.prompt = PromptState::None; |
| 5220 | } |
| 5221 | Key::Up => { |
| 5222 | if *selected_index > 0 { |
| 5223 | *selected_index -= 1; |
| 5224 | if *selected_index < *scroll_offset { |
| 5225 | *scroll_offset = *selected_index; |
| 5226 | } |
| 5227 | } |
| 5228 | } |
| 5229 | Key::Down => { |
| 5230 | if *selected_index + 1 < filtered.len() { |
| 5231 | *selected_index += 1; |
| 5232 | let visible_rows = 18; |
| 5233 | if *selected_index >= *scroll_offset + visible_rows { |
| 5234 | *scroll_offset = selected_index.saturating_sub(visible_rows - 1); |
| 5235 | } |
| 5236 | } |
| 5237 | } |
| 5238 | Key::PageUp => { |
| 5239 | *selected_index = selected_index.saturating_sub(10); |
| 5240 | if *selected_index < *scroll_offset { |
| 5241 | *scroll_offset = *selected_index; |
| 5242 | } |
| 5243 | } |
| 5244 | Key::PageDown => { |
| 5245 | *selected_index = (*selected_index + 10).min(filtered.len().saturating_sub(1)); |
| 5246 | let visible_rows = 18; |
| 5247 | if *selected_index >= *scroll_offset + visible_rows { |
| 5248 | *scroll_offset = selected_index.saturating_sub(visible_rows - 1); |
| 5249 | } |
| 5250 | } |
| 5251 | Key::Home => { |
| 5252 | *selected_index = 0; |
| 5253 | *scroll_offset = 0; |
| 5254 | } |
| 5255 | Key::End => { |
| 5256 | *selected_index = filtered.len().saturating_sub(1); |
| 5257 | let visible_rows = 18; |
| 5258 | *scroll_offset = selected_index.saturating_sub(visible_rows - 1); |
| 5259 | } |
| 5260 | Key::Backspace => { |
| 5261 | if !query.is_empty() { |
| 5262 | query.pop(); |
| 5263 | *filtered = filter_keybinds(query); |
| 5264 | *selected_index = 0; |
| 5265 | *scroll_offset = 0; |
| 5266 | } |
| 5267 | } |
| 5268 | // Toggle alternate keybindings view |
| 5269 | Key::Char('/') => { |
| 5270 | *show_alt = !*show_alt; |
| 5271 | } |
| 5272 | Key::Char(c) => { |
| 5273 | query.push(c); |
| 5274 | *filtered = filter_keybinds(query); |
| 5275 | *selected_index = 0; |
| 5276 | *scroll_offset = 0; |
| 5277 | } |
| 5278 | _ => {} |
| 5279 | } |
| 5280 | } |
| 5281 | PromptState::None => {} |
| 5282 | } |
| 5283 | Ok(()) |
| 5284 | } |
| 5285 | |
| 5286 | fn execute_text_input_action(&mut self, action: TextInputAction, buffer: &str) { |
| 5287 | match action { |
| 5288 | TextInputAction::GitCommit => { |
| 5289 | let (_, msg) = self.workspace.fuss.git_commit(buffer); |
| 5290 | self.message = Some(msg); |
| 5291 | } |
| 5292 | TextInputAction::GitTag => { |
| 5293 | let (_, msg) = self.workspace.fuss.git_tag(buffer); |
| 5294 | self.message = Some(msg); |
| 5295 | } |
| 5296 | TextInputAction::GotoLine => { |
| 5297 | self.goto_line_col(buffer); |
| 5298 | } |
| 5299 | } |
| 5300 | } |
| 5301 | |
| 5302 | /// Open the goto line prompt |
| 5303 | fn open_goto_line(&mut self) { |
| 5304 | self.prompt = PromptState::TextInput { |
| 5305 | label: "Go to line: ".to_string(), |
| 5306 | buffer: String::new(), |
| 5307 | action: TextInputAction::GotoLine, |
| 5308 | }; |
| 5309 | self.message = Some("Go to line: ".to_string()); |
| 5310 | } |
| 5311 | |
| 5312 | /// Parse line:col input and jump to position |
| 5313 | fn goto_line_col(&mut self, input: &str) { |
| 5314 | let input = input.trim(); |
| 5315 | if input.is_empty() { |
| 5316 | return; |
| 5317 | } |
| 5318 | |
| 5319 | // Parse formats: "line", "line:", "line:col" |
| 5320 | let (line_str, col_str) = if let Some(colon_pos) = input.find(':') { |
| 5321 | (&input[..colon_pos], &input[colon_pos + 1..]) |
| 5322 | } else { |
| 5323 | (input, "") |
| 5324 | }; |
| 5325 | |
| 5326 | let line: usize = match line_str.parse::<usize>() { |
| 5327 | Ok(n) if n > 0 => n - 1, // Convert to 0-indexed |
| 5328 | Ok(_) => { |
| 5329 | self.message = Some("Invalid line number".to_string()); |
| 5330 | return; |
| 5331 | } |
| 5332 | Err(_) => { |
| 5333 | self.message = Some("Invalid line number".to_string()); |
| 5334 | return; |
| 5335 | } |
| 5336 | }; |
| 5337 | |
| 5338 | let col: usize = if col_str.is_empty() { |
| 5339 | 0 |
| 5340 | } else { |
| 5341 | match col_str.parse::<usize>() { |
| 5342 | Ok(n) if n > 0 => n - 1, // Convert to 0-indexed |
| 5343 | Ok(_) => 0, |
| 5344 | Err(_) => 0, |
| 5345 | } |
| 5346 | }; |
| 5347 | |
| 5348 | // Clamp to buffer bounds |
| 5349 | let line_count = self.buffer().line_count(); |
| 5350 | let line = line.min(line_count.saturating_sub(1)); |
| 5351 | let line_len = self.buffer().line_len(line); |
| 5352 | let col = col.min(line_len); |
| 5353 | |
| 5354 | // Move cursor |
| 5355 | self.cursor_mut().line = line; |
| 5356 | self.cursor_mut().col = col; |
| 5357 | self.cursor_mut().desired_col = col; |
| 5358 | self.cursor_mut().clear_selection(); |
| 5359 | |
| 5360 | // Center the view on the target line |
| 5361 | self.scroll_to_cursor(); |
| 5362 | |
| 5363 | self.message = Some(format!("Line {}, Column {}", line + 1, col + 1)); |
| 5364 | } |
| 5365 | |
| 5366 | fn restore_backups(&mut self) -> Result<()> { |
| 5367 | let backups = self.workspace.list_backups(); |
| 5368 | |
| 5369 | for (original_path, backup_path) in backups { |
| 5370 | let (_, content) = self.workspace.read_backup(&backup_path)?; |
| 5371 | |
| 5372 | // Try to find an open buffer with this path |
| 5373 | let mut found = false; |
| 5374 | for tab in &mut self.workspace.tabs { |
| 5375 | for buffer_entry in &mut tab.buffers { |
| 5376 | if let Some(ref buf_path) = buffer_entry.path { |
| 5377 | let full_path = if buffer_entry.is_orphan { |
| 5378 | buf_path.clone() |
| 5379 | } else { |
| 5380 | self.workspace.root.join(buf_path) |
| 5381 | }; |
| 5382 | if full_path == original_path { |
| 5383 | buffer_entry.buffer.set_contents(&content); |
| 5384 | found = true; |
| 5385 | break; |
| 5386 | } |
| 5387 | } |
| 5388 | } |
| 5389 | if found { |
| 5390 | break; |
| 5391 | } |
| 5392 | } |
| 5393 | |
| 5394 | // If not found as open buffer, open the file first then restore |
| 5395 | if !found { |
| 5396 | // Open the file |
| 5397 | self.workspace.open_file(&original_path)?; |
| 5398 | // Now restore content to the newly opened buffer |
| 5399 | if let Some(tab) = self.workspace.tabs.last_mut() { |
| 5400 | if let Some(buffer_entry) = tab.buffers.last_mut() { |
| 5401 | buffer_entry.buffer.set_contents(&content); |
| 5402 | } |
| 5403 | } |
| 5404 | } |
| 5405 | |
| 5406 | // Delete the backup after successful restore |
| 5407 | std::fs::remove_file(&backup_path)?; |
| 5408 | } |
| 5409 | |
| 5410 | Ok(()) |
| 5411 | } |
| 5412 | |
| 5413 | // ========== Find/Replace Methods ========== |
| 5414 | |
| 5415 | /// Open the find dialog (or toggle if already open on find field) |
| 5416 | fn open_find(&mut self) { |
| 5417 | match &self.prompt { |
| 5418 | PromptState::FindReplace { active_field: FindReplaceField::Find, .. } => { |
| 5419 | // Already in find mode with find field active - close |
| 5420 | self.prompt = PromptState::None; |
| 5421 | self.search_state.matches.clear(); |
| 5422 | } |
| 5423 | PromptState::FindReplace { find_query, replace_text, case_insensitive, regex_mode, .. } => { |
| 5424 | // In find/replace but on replace field - switch to find |
| 5425 | self.prompt = PromptState::FindReplace { |
| 5426 | find_query: find_query.clone(), |
| 5427 | replace_text: replace_text.clone(), |
| 5428 | active_field: FindReplaceField::Find, |
| 5429 | case_insensitive: *case_insensitive, |
| 5430 | regex_mode: *regex_mode, |
| 5431 | }; |
| 5432 | } |
| 5433 | _ => { |
| 5434 | // Open fresh find dialog, possibly with selected text |
| 5435 | let initial_query = self.get_selection_text().unwrap_or_default(); |
| 5436 | self.prompt = PromptState::FindReplace { |
| 5437 | find_query: initial_query, |
| 5438 | replace_text: String::new(), |
| 5439 | active_field: FindReplaceField::Find, |
| 5440 | case_insensitive: false, |
| 5441 | regex_mode: false, |
| 5442 | }; |
| 5443 | self.update_search_matches(); |
| 5444 | } |
| 5445 | } |
| 5446 | } |
| 5447 | |
| 5448 | /// Open the replace dialog (or switch to replace field, or close if already on replace) |
| 5449 | fn open_replace(&mut self) { |
| 5450 | match &self.prompt { |
| 5451 | PromptState::FindReplace { active_field: FindReplaceField::Replace, .. } => { |
| 5452 | // Already in replace mode with replace field active - close |
| 5453 | self.prompt = PromptState::None; |
| 5454 | self.search_state.matches.clear(); |
| 5455 | } |
| 5456 | PromptState::FindReplace { find_query, replace_text, case_insensitive, regex_mode, .. } => { |
| 5457 | // In find/replace but on find field - switch to replace |
| 5458 | self.prompt = PromptState::FindReplace { |
| 5459 | find_query: find_query.clone(), |
| 5460 | replace_text: replace_text.clone(), |
| 5461 | active_field: FindReplaceField::Replace, |
| 5462 | case_insensitive: *case_insensitive, |
| 5463 | regex_mode: *regex_mode, |
| 5464 | }; |
| 5465 | } |
| 5466 | _ => { |
| 5467 | // Open find/replace with replace field active |
| 5468 | let initial_query = self.get_selection_text().unwrap_or_default(); |
| 5469 | self.prompt = PromptState::FindReplace { |
| 5470 | find_query: initial_query, |
| 5471 | replace_text: String::new(), |
| 5472 | active_field: FindReplaceField::Replace, |
| 5473 | case_insensitive: false, |
| 5474 | regex_mode: false, |
| 5475 | }; |
| 5476 | self.update_search_matches(); |
| 5477 | } |
| 5478 | } |
| 5479 | } |
| 5480 | |
| 5481 | /// Update search matches based on current query |
| 5482 | fn update_search_matches(&mut self) { |
| 5483 | let (query, case_insensitive, regex_mode) = match &self.prompt { |
| 5484 | PromptState::FindReplace { find_query, case_insensitive, regex_mode, .. } => { |
| 5485 | (find_query.clone(), *case_insensitive, *regex_mode) |
| 5486 | } |
| 5487 | _ => return, |
| 5488 | }; |
| 5489 | |
| 5490 | // Check if we need to update (query or settings changed) |
| 5491 | if query == self.search_state.last_query |
| 5492 | && case_insensitive == self.search_state.last_case_insensitive |
| 5493 | && regex_mode == self.search_state.last_regex |
| 5494 | { |
| 5495 | return; |
| 5496 | } |
| 5497 | |
| 5498 | self.search_state.last_query = query.clone(); |
| 5499 | self.search_state.last_case_insensitive = case_insensitive; |
| 5500 | self.search_state.last_regex = regex_mode; |
| 5501 | self.search_state.matches.clear(); |
| 5502 | self.search_state.current_match = 0; |
| 5503 | |
| 5504 | if query.is_empty() { |
| 5505 | return; |
| 5506 | } |
| 5507 | |
| 5508 | // Collect all lines from buffer first to avoid borrow issues |
| 5509 | let buffer = self.buffer(); |
| 5510 | let line_count = buffer.line_count(); |
| 5511 | let lines: Vec<String> = (0..line_count) |
| 5512 | .filter_map(|i| buffer.line_str(i)) |
| 5513 | .collect(); |
| 5514 | |
| 5515 | // Now search through the collected lines |
| 5516 | let mut matches = Vec::new(); |
| 5517 | |
| 5518 | if regex_mode { |
| 5519 | // Regex search |
| 5520 | let pattern = if case_insensitive { |
| 5521 | format!("(?i){}", query) |
| 5522 | } else { |
| 5523 | query.clone() |
| 5524 | }; |
| 5525 | |
| 5526 | if let Ok(re) = regex::Regex::new(&pattern) { |
| 5527 | for (line_idx, line) in lines.iter().enumerate() { |
| 5528 | for mat in re.find_iter(line) { |
| 5529 | // Convert byte positions to char positions for proper cursor placement |
| 5530 | let start_col = line[..mat.start()].chars().count(); |
| 5531 | let match_char_len = line[mat.start()..mat.end()].chars().count(); |
| 5532 | matches.push(SearchMatch { |
| 5533 | line: line_idx, |
| 5534 | start_col, |
| 5535 | end_col: start_col + match_char_len, |
| 5536 | }); |
| 5537 | } |
| 5538 | } |
| 5539 | } |
| 5540 | } else { |
| 5541 | // Plain text search - optimized version using str::find() |
| 5542 | let search_query = if case_insensitive { |
| 5543 | query.to_lowercase() |
| 5544 | } else { |
| 5545 | query.clone() |
| 5546 | }; |
| 5547 | let query_char_len = query.chars().count(); |
| 5548 | |
| 5549 | // Reusable buffer for case-insensitive search to avoid allocations |
| 5550 | let mut lowered_line = String::new(); |
| 5551 | |
| 5552 | for (line_idx, line) in lines.iter().enumerate() { |
| 5553 | // Get the search line (reuse buffer for case-insensitive) |
| 5554 | let search_line: &str = if case_insensitive { |
| 5555 | lowered_line.clear(); |
| 5556 | for c in line.chars() { |
| 5557 | for lc in c.to_lowercase() { |
| 5558 | lowered_line.push(lc); |
| 5559 | } |
| 5560 | } |
| 5561 | &lowered_line |
| 5562 | } else { |
| 5563 | line |
| 5564 | }; |
| 5565 | |
| 5566 | // Use str::find() which is SIMD-optimized for byte search |
| 5567 | // Then convert byte positions to char positions |
| 5568 | let mut byte_offset = 0; |
| 5569 | while let Some(byte_pos) = search_line[byte_offset..].find(&search_query) { |
| 5570 | let abs_byte_pos = byte_offset + byte_pos; |
| 5571 | |
| 5572 | // Convert byte position to char position |
| 5573 | let start_col = search_line[..abs_byte_pos].chars().count(); |
| 5574 | |
| 5575 | matches.push(SearchMatch { |
| 5576 | line: line_idx, |
| 5577 | start_col, |
| 5578 | end_col: start_col + query_char_len, |
| 5579 | }); |
| 5580 | |
| 5581 | // Move past this match (by at least one byte, or query length) |
| 5582 | byte_offset = abs_byte_pos + search_query.len().max(1); |
| 5583 | if byte_offset >= search_line.len() { |
| 5584 | break; |
| 5585 | } |
| 5586 | } |
| 5587 | } |
| 5588 | } |
| 5589 | |
| 5590 | self.search_state.matches = matches; |
| 5591 | |
| 5592 | // Find the match closest to current cursor position |
| 5593 | if !self.search_state.matches.is_empty() { |
| 5594 | let cursor = self.cursors().primary(); |
| 5595 | let cursor_pos = (cursor.line, cursor.col); |
| 5596 | |
| 5597 | // Find first match at or after cursor |
| 5598 | let mut best_idx = 0; |
| 5599 | for (i, m) in self.search_state.matches.iter().enumerate() { |
| 5600 | if (m.line, m.start_col) >= cursor_pos { |
| 5601 | best_idx = i; |
| 5602 | break; |
| 5603 | } |
| 5604 | best_idx = i; |
| 5605 | } |
| 5606 | self.search_state.current_match = best_idx; |
| 5607 | } |
| 5608 | } |
| 5609 | |
| 5610 | /// Find and jump to next match |
| 5611 | fn find_next(&mut self) { |
| 5612 | self.update_search_matches(); |
| 5613 | |
| 5614 | if self.search_state.matches.is_empty() { |
| 5615 | self.message = Some("No matches found".to_string()); |
| 5616 | return; |
| 5617 | } |
| 5618 | |
| 5619 | // Move to next match (wrap around) |
| 5620 | self.search_state.current_match = |
| 5621 | (self.search_state.current_match + 1) % self.search_state.matches.len(); |
| 5622 | |
| 5623 | self.jump_to_current_match(); |
| 5624 | } |
| 5625 | |
| 5626 | /// Find and jump to previous match |
| 5627 | fn find_prev(&mut self) { |
| 5628 | self.update_search_matches(); |
| 5629 | |
| 5630 | if self.search_state.matches.is_empty() { |
| 5631 | self.message = Some("No matches found".to_string()); |
| 5632 | return; |
| 5633 | } |
| 5634 | |
| 5635 | // Move to previous match (wrap around) |
| 5636 | if self.search_state.current_match == 0 { |
| 5637 | self.search_state.current_match = self.search_state.matches.len() - 1; |
| 5638 | } else { |
| 5639 | self.search_state.current_match -= 1; |
| 5640 | } |
| 5641 | |
| 5642 | self.jump_to_current_match(); |
| 5643 | } |
| 5644 | |
| 5645 | /// Jump cursor to the current match and select it |
| 5646 | fn jump_to_current_match(&mut self) { |
| 5647 | if let Some(m) = self.search_state.matches.get(self.search_state.current_match).cloned() { |
| 5648 | // Collapse to primary cursor and move it to the match |
| 5649 | self.cursors_mut().collapse_to_primary(); |
| 5650 | let cursor = self.cursors_mut().primary_mut(); |
| 5651 | |
| 5652 | // Move cursor to start of match with selection extending to end |
| 5653 | cursor.line = m.start_col.min(m.end_col); // Cursor at start |
| 5654 | cursor.col = m.start_col; |
| 5655 | cursor.line = m.line; |
| 5656 | |
| 5657 | // Set up selection from end to start (so cursor is at start, anchor at end) |
| 5658 | cursor.anchor_line = m.line; |
| 5659 | cursor.anchor_col = m.end_col; |
| 5660 | cursor.selecting = true; |
| 5661 | |
| 5662 | // Scroll to make match visible |
| 5663 | self.scroll_to_cursor(); |
| 5664 | |
| 5665 | // Update message with match count |
| 5666 | let total = self.search_state.matches.len(); |
| 5667 | let current = self.search_state.current_match + 1; |
| 5668 | self.message = Some(format!("{}/{} matches", current, total)); |
| 5669 | } |
| 5670 | } |
| 5671 | |
| 5672 | /// Replace current match and find next |
| 5673 | fn replace_current(&mut self) { |
| 5674 | let replace_text = match &self.prompt { |
| 5675 | PromptState::FindReplace { replace_text, .. } => replace_text.clone(), |
| 5676 | _ => return, |
| 5677 | }; |
| 5678 | |
| 5679 | if self.search_state.matches.is_empty() { |
| 5680 | self.message = Some("No matches to replace".to_string()); |
| 5681 | return; |
| 5682 | } |
| 5683 | |
| 5684 | // Get current match |
| 5685 | let current_idx = self.search_state.current_match; |
| 5686 | if let Some(m) = self.search_state.matches.get(current_idx).cloned() { |
| 5687 | // Delete the matched text and insert replacement |
| 5688 | let buffer = self.buffer_mut(); |
| 5689 | let start_char = buffer.line_col_to_char(m.line, m.start_col); |
| 5690 | let end_char = buffer.line_col_to_char(m.line, m.end_col); |
| 5691 | buffer.delete(start_char, end_char); |
| 5692 | buffer.insert(start_char, &replace_text); |
| 5693 | |
| 5694 | // Re-run search to update matches |
| 5695 | self.search_state.last_query.clear(); // Force re-search |
| 5696 | self.update_search_matches(); |
| 5697 | |
| 5698 | // Jump to next (or stay at same index if there are still matches) |
| 5699 | if !self.search_state.matches.is_empty() { |
| 5700 | // Keep index in bounds |
| 5701 | if self.search_state.current_match >= self.search_state.matches.len() { |
| 5702 | self.search_state.current_match = 0; |
| 5703 | } |
| 5704 | self.jump_to_current_match(); |
| 5705 | } else { |
| 5706 | self.message = Some("All matches replaced".to_string()); |
| 5707 | } |
| 5708 | } |
| 5709 | } |
| 5710 | |
| 5711 | /// Replace all matches |
| 5712 | fn replace_all(&mut self) { |
| 5713 | let replace_text = match &self.prompt { |
| 5714 | PromptState::FindReplace { replace_text, .. } => replace_text.clone(), |
| 5715 | _ => return, |
| 5716 | }; |
| 5717 | |
| 5718 | self.update_search_matches(); |
| 5719 | |
| 5720 | if self.search_state.matches.is_empty() { |
| 5721 | self.message = Some("No matches to replace".to_string()); |
| 5722 | return; |
| 5723 | } |
| 5724 | |
| 5725 | let count = self.search_state.matches.len(); |
| 5726 | |
| 5727 | // Replace from end to start to preserve positions |
| 5728 | let matches: Vec<_> = self.search_state.matches.iter().cloned().collect(); |
| 5729 | for m in matches.into_iter().rev() { |
| 5730 | let buffer = self.buffer_mut(); |
| 5731 | let start_char = buffer.line_col_to_char(m.line, m.start_col); |
| 5732 | let end_char = buffer.line_col_to_char(m.line, m.end_col); |
| 5733 | buffer.delete(start_char, end_char); |
| 5734 | buffer.insert(start_char, &replace_text); |
| 5735 | } |
| 5736 | |
| 5737 | self.search_state.matches.clear(); |
| 5738 | self.search_state.last_query.clear(); |
| 5739 | self.message = Some(format!("Replaced {} occurrences", count)); |
| 5740 | } |
| 5741 | |
| 5742 | /// Toggle case sensitivity |
| 5743 | fn toggle_case_sensitivity(&mut self) { |
| 5744 | if let PromptState::FindReplace { find_query, replace_text, active_field, case_insensitive, regex_mode } = &self.prompt { |
| 5745 | self.prompt = PromptState::FindReplace { |
| 5746 | find_query: find_query.clone(), |
| 5747 | replace_text: replace_text.clone(), |
| 5748 | active_field: *active_field, |
| 5749 | case_insensitive: !*case_insensitive, |
| 5750 | regex_mode: *regex_mode, |
| 5751 | }; |
| 5752 | self.search_state.last_query.clear(); // Force re-search |
| 5753 | self.update_search_matches(); |
| 5754 | } |
| 5755 | } |
| 5756 | |
| 5757 | /// Toggle regex mode |
| 5758 | fn toggle_regex_mode(&mut self) { |
| 5759 | if let PromptState::FindReplace { find_query, replace_text, active_field, case_insensitive, regex_mode } = &self.prompt { |
| 5760 | self.prompt = PromptState::FindReplace { |
| 5761 | find_query: find_query.clone(), |
| 5762 | replace_text: replace_text.clone(), |
| 5763 | active_field: *active_field, |
| 5764 | case_insensitive: *case_insensitive, |
| 5765 | regex_mode: !*regex_mode, |
| 5766 | }; |
| 5767 | self.search_state.last_query.clear(); // Force re-search |
| 5768 | self.update_search_matches(); |
| 5769 | } |
| 5770 | } |
| 5771 | |
| 5772 | // === Fortress mode (file browser) === |
| 5773 | |
| 5774 | /// Open fortress mode file browser |
| 5775 | fn open_fortress(&mut self) { |
| 5776 | // Start at current file's directory, or workspace root |
| 5777 | let start_path = if let Some(path) = self.current_file_path() { |
| 5778 | if let Some(parent) = path.parent() { |
| 5779 | parent.to_path_buf() |
| 5780 | } else { |
| 5781 | self.workspace.root.clone() |
| 5782 | } |
| 5783 | } else { |
| 5784 | self.workspace.root.clone() |
| 5785 | }; |
| 5786 | |
| 5787 | let entries = self.read_directory(&start_path); |
| 5788 | self.prompt = PromptState::Fortress { |
| 5789 | current_path: start_path, |
| 5790 | entries, |
| 5791 | selected_index: 0, |
| 5792 | filter: String::new(), |
| 5793 | scroll_offset: 0, |
| 5794 | }; |
| 5795 | } |
| 5796 | |
| 5797 | /// Read directory contents and return sorted entries (dirs first, then files) |
| 5798 | fn read_directory(&self, path: &Path) -> Vec<FortressEntry> { |
| 5799 | let mut entries = Vec::new(); |
| 5800 | |
| 5801 | // Add parent directory entry if not at root |
| 5802 | if path.parent().is_some() { |
| 5803 | entries.push(FortressEntry { |
| 5804 | name: "..".to_string(), |
| 5805 | path: path.parent().unwrap().to_path_buf(), |
| 5806 | is_dir: true, |
| 5807 | }); |
| 5808 | } |
| 5809 | |
| 5810 | if let Ok(read_dir) = std::fs::read_dir(path) { |
| 5811 | let mut dirs = Vec::new(); |
| 5812 | let mut files = Vec::new(); |
| 5813 | |
| 5814 | for entry in read_dir.flatten() { |
| 5815 | let entry_path = entry.path(); |
| 5816 | let name = entry.file_name().to_string_lossy().to_string(); |
| 5817 | |
| 5818 | // Skip hidden files (starting with .) |
| 5819 | if name.starts_with('.') { |
| 5820 | continue; |
| 5821 | } |
| 5822 | |
| 5823 | let is_dir = entry_path.is_dir(); |
| 5824 | let fortress_entry = FortressEntry { |
| 5825 | name, |
| 5826 | path: entry_path, |
| 5827 | is_dir, |
| 5828 | }; |
| 5829 | |
| 5830 | if is_dir { |
| 5831 | dirs.push(fortress_entry); |
| 5832 | } else { |
| 5833 | files.push(fortress_entry); |
| 5834 | } |
| 5835 | } |
| 5836 | |
| 5837 | // Sort alphabetically (case-insensitive) |
| 5838 | dirs.sort_by(|a, b| a.name.to_lowercase().cmp(&b.name.to_lowercase())); |
| 5839 | files.sort_by(|a, b| a.name.to_lowercase().cmp(&b.name.to_lowercase())); |
| 5840 | |
| 5841 | // Directories first, then files |
| 5842 | entries.extend(dirs); |
| 5843 | entries.extend(files); |
| 5844 | } |
| 5845 | |
| 5846 | entries |
| 5847 | } |
| 5848 | |
| 5849 | /// Navigate to a new directory in fortress mode |
| 5850 | fn fortress_navigate_to(&mut self, path: &Path) { |
| 5851 | let entries = self.read_directory(path); |
| 5852 | self.prompt = PromptState::Fortress { |
| 5853 | current_path: path.to_path_buf(), |
| 5854 | entries, |
| 5855 | selected_index: 0, |
| 5856 | filter: String::new(), |
| 5857 | scroll_offset: 0, |
| 5858 | }; |
| 5859 | } |
| 5860 | |
| 5861 | /// Open a file from fortress mode |
| 5862 | fn fortress_open_file(&mut self, path: &Path) { |
| 5863 | // Open file in current pane by reusing workspace method |
| 5864 | if let Err(e) = self.workspace.open_file(path) { |
| 5865 | self.message = Some(format!("Failed to open file: {}", e)); |
| 5866 | } else { |
| 5867 | // Sync with LSP |
| 5868 | self.sync_document_to_lsp(); |
| 5869 | } |
| 5870 | } |
| 5871 | |
| 5872 | /// Open multi-file search modal (F4) |
| 5873 | fn open_file_search(&mut self) { |
| 5874 | self.prompt = PromptState::FileSearch { |
| 5875 | query: String::new(), |
| 5876 | results: Vec::new(), |
| 5877 | selected_index: 0, |
| 5878 | scroll_offset: 0, |
| 5879 | searching: false, |
| 5880 | }; |
| 5881 | } |
| 5882 | |
| 5883 | /// Search files in workspace for query string (grep-like) |
| 5884 | /// Uses streaming file reading to avoid loading entire files into memory |
| 5885 | fn search_files(&self, query: &str) -> Vec<FileSearchResult> { |
| 5886 | use std::io::{BufRead, BufReader}; |
| 5887 | use std::fs::File; |
| 5888 | |
| 5889 | if query.is_empty() { |
| 5890 | return Vec::new(); |
| 5891 | } |
| 5892 | |
| 5893 | let mut results = Vec::new(); |
| 5894 | let root = &self.workspace.root; |
| 5895 | let query_lower = query.to_lowercase(); |
| 5896 | |
| 5897 | // Walk directory tree |
| 5898 | fn walk_dir( |
| 5899 | dir: &Path, |
| 5900 | query_lower: &str, |
| 5901 | results: &mut Vec<FileSearchResult>, |
| 5902 | root: &Path, |
| 5903 | ) { |
| 5904 | let Ok(entries) = std::fs::read_dir(dir) else { |
| 5905 | return; |
| 5906 | }; |
| 5907 | |
| 5908 | for entry in entries.flatten() { |
| 5909 | // Check result limit early to avoid unnecessary work |
| 5910 | if results.len() >= 500 { |
| 5911 | return; |
| 5912 | } |
| 5913 | |
| 5914 | let path = entry.path(); |
| 5915 | let name = path.file_name().and_then(|n| n.to_str()).unwrap_or(""); |
| 5916 | |
| 5917 | // Skip hidden files/dirs |
| 5918 | if name.starts_with('.') { |
| 5919 | continue; |
| 5920 | } |
| 5921 | |
| 5922 | // Skip common non-text directories |
| 5923 | if path.is_dir() { |
| 5924 | if matches!(name, "target" | "node_modules" | "build" | "dist" | "__pycache__") { |
| 5925 | continue; |
| 5926 | } |
| 5927 | walk_dir(&path, query_lower, results, root); |
| 5928 | } else if path.is_file() { |
| 5929 | // Skip binary/large files by extension |
| 5930 | let ext = path.extension().and_then(|e| e.to_str()).unwrap_or(""); |
| 5931 | if matches!(ext, "png" | "jpg" | "jpeg" | "gif" | "ico" | "woff" | "woff2" | "ttf" | "eot" | "pdf" | "zip" | "tar" | "gz" | "exe" | "dll" | "so" | "dylib" | "o" | "a" | "rlib") { |
| 5932 | continue; |
| 5933 | } |
| 5934 | |
| 5935 | // Stream file line-by-line instead of loading entire file |
| 5936 | let Ok(file) = File::open(&path) else { |
| 5937 | continue; |
| 5938 | }; |
| 5939 | let reader = BufReader::new(file); |
| 5940 | let rel_path = path.strip_prefix(root).unwrap_or(&path).to_path_buf(); |
| 5941 | |
| 5942 | // Reusable buffer for lowercasing |
| 5943 | let mut line_lower = String::new(); |
| 5944 | |
| 5945 | for (line_idx, line_result) in reader.lines().enumerate() { |
| 5946 | // Check result limit |
| 5947 | if results.len() >= 500 { |
| 5948 | return; |
| 5949 | } |
| 5950 | |
| 5951 | let Ok(line) = line_result else { |
| 5952 | // Non-UTF8 content - likely binary, skip file |
| 5953 | break; |
| 5954 | }; |
| 5955 | |
| 5956 | // Reuse buffer for lowercase conversion |
| 5957 | line_lower.clear(); |
| 5958 | for c in line.chars() { |
| 5959 | for lc in c.to_lowercase() { |
| 5960 | line_lower.push(lc); |
| 5961 | } |
| 5962 | } |
| 5963 | |
| 5964 | if line_lower.contains(query_lower) { |
| 5965 | results.push(FileSearchResult { |
| 5966 | path: rel_path.clone(), |
| 5967 | line_num: line_idx + 1, |
| 5968 | line_content: line.trim().to_string(), |
| 5969 | }); |
| 5970 | } |
| 5971 | } |
| 5972 | } |
| 5973 | } |
| 5974 | } |
| 5975 | |
| 5976 | walk_dir(root, &query_lower, &mut results, root); |
| 5977 | results |
| 5978 | } |
| 5979 | |
| 5980 | /// Open file at the location from a file search result |
| 5981 | fn file_search_open_result(&mut self, result: &FileSearchResult) { |
| 5982 | let full_path = self.workspace.root.join(&result.path); |
| 5983 | |
| 5984 | if let Err(e) = self.workspace.open_file(&full_path) { |
| 5985 | self.message = Some(format!("Failed to open file: {}", e)); |
| 5986 | return; |
| 5987 | } |
| 5988 | |
| 5989 | // Sync with LSP |
| 5990 | self.sync_document_to_lsp(); |
| 5991 | |
| 5992 | // Go to line |
| 5993 | let line = result.line_num.saturating_sub(1); // Convert to 0-indexed |
| 5994 | let tab = self.workspace.active_tab_mut(); |
| 5995 | let max_line = tab.active_buffer().buffer.line_count().saturating_sub(1); |
| 5996 | let target_line = line.min(max_line); |
| 5997 | |
| 5998 | let pane = tab.active_pane_mut(); |
| 5999 | pane.cursors.primary_mut().line = target_line; |
| 6000 | pane.cursors.primary_mut().col = 0; |
| 6001 | |
| 6002 | // Center the line in viewport |
| 6003 | let viewport_height = self.screen.rows.saturating_sub(2) as usize; |
| 6004 | pane.viewport_line = target_line.saturating_sub(viewport_height / 2); |
| 6005 | } |
| 6006 | |
| 6007 | // === Command Palette === |
| 6008 | |
| 6009 | /// Open the command palette |
| 6010 | fn open_command_palette(&mut self) { |
| 6011 | let filtered = filter_commands(""); |
| 6012 | self.prompt = PromptState::CommandPalette { |
| 6013 | query: String::new(), |
| 6014 | filtered, |
| 6015 | selected_index: 0, |
| 6016 | scroll_offset: 0, |
| 6017 | }; |
| 6018 | } |
| 6019 | |
| 6020 | /// Execute a command by its ID |
| 6021 | fn execute_command(&mut self, command_id: &str) { |
| 6022 | match command_id { |
| 6023 | // File operations |
| 6024 | "save" => { let _ = self.save(); } |
| 6025 | "save-all" => { let _ = self.workspace.save_all(); } |
| 6026 | "open" => self.open_fortress(), |
| 6027 | "new-tab" => self.workspace.new_tab(), |
| 6028 | "close-tab" => self.close_pane(), // Close current pane/tab |
| 6029 | "next-tab" => self.workspace.next_tab(), |
| 6030 | "prev-tab" => self.workspace.prev_tab(), |
| 6031 | "quit" => self.try_quit(), |
| 6032 | |
| 6033 | // Edit operations |
| 6034 | "undo" => self.undo(), |
| 6035 | "redo" => self.redo(), |
| 6036 | "cut" => self.cut(), |
| 6037 | "copy" => self.copy(), |
| 6038 | "paste" => self.paste(), |
| 6039 | "select-all" => { |
| 6040 | // Select all text in current buffer |
| 6041 | let line_count = self.buffer().line_count(); |
| 6042 | let last_line = line_count.saturating_sub(1); |
| 6043 | let last_col = self.buffer().line_len(last_line); |
| 6044 | self.cursor_mut().anchor_line = 0; |
| 6045 | self.cursor_mut().anchor_col = 0; |
| 6046 | self.cursor_mut().line = last_line; |
| 6047 | self.cursor_mut().col = last_col; |
| 6048 | self.cursor_mut().selecting = true; |
| 6049 | } |
| 6050 | "select-line" => self.select_line(), |
| 6051 | "select-word" => self.select_word(), |
| 6052 | "toggle-comment" => self.toggle_line_comment(), |
| 6053 | "join-lines" => self.join_lines(), |
| 6054 | "duplicate-line" => self.duplicate_line_down(), |
| 6055 | "move-line-up" => self.move_line_up(), |
| 6056 | "move-line-down" => self.move_line_down(), |
| 6057 | "delete-line" => { |
| 6058 | // Delete the current line |
| 6059 | let line = self.cursor().line; |
| 6060 | let line_count = self.buffer().line_count(); |
| 6061 | let line_start = self.buffer().line_col_to_char(line, 0); |
| 6062 | let line_end = if line + 1 < line_count { |
| 6063 | self.buffer().line_col_to_char(line + 1, 0) |
| 6064 | } else { |
| 6065 | self.buffer().len_chars() |
| 6066 | }; |
| 6067 | if line_start < line_end { |
| 6068 | self.buffer_mut().delete(line_start, line_end); |
| 6069 | self.cursor_mut().col = 0; |
| 6070 | self.cursor_mut().desired_col = 0; |
| 6071 | // Clamp line if we deleted the last line |
| 6072 | let new_line_count = self.buffer().line_count(); |
| 6073 | if self.cursor().line >= new_line_count { |
| 6074 | self.cursor_mut().line = new_line_count.saturating_sub(1); |
| 6075 | } |
| 6076 | } |
| 6077 | } |
| 6078 | "indent" => self.insert_tab(), |
| 6079 | "outdent" => self.dedent(), |
| 6080 | "transpose" => self.transpose_chars(), |
| 6081 | |
| 6082 | // Search operations |
| 6083 | "find" => self.open_find(), |
| 6084 | "replace" => self.open_replace(), |
| 6085 | "find-next" => self.find_next(), |
| 6086 | "find-prev" => self.find_prev(), |
| 6087 | "search-files" => self.open_file_search(), |
| 6088 | |
| 6089 | // Navigation |
| 6090 | "goto-line" => self.open_goto_line(), |
| 6091 | "goto-start" => { |
| 6092 | self.cursor_mut().line = 0; |
| 6093 | self.cursor_mut().col = 0; |
| 6094 | self.cursor_mut().desired_col = 0; |
| 6095 | self.cursor_mut().clear_selection(); |
| 6096 | } |
| 6097 | "goto-end" => { |
| 6098 | let last_line = self.buffer().line_count().saturating_sub(1); |
| 6099 | let last_col = self.buffer().line_len(last_line); |
| 6100 | self.cursor_mut().line = last_line; |
| 6101 | self.cursor_mut().col = last_col; |
| 6102 | self.cursor_mut().desired_col = last_col; |
| 6103 | self.cursor_mut().clear_selection(); |
| 6104 | } |
| 6105 | "goto-bracket" => self.jump_to_matching_bracket(), |
| 6106 | "page-up" => self.page_up(false), |
| 6107 | "page-down" => self.page_down(false), |
| 6108 | |
| 6109 | // Selection |
| 6110 | "select-brackets" => self.jump_to_matching_bracket(), // TODO: implement select inside brackets |
| 6111 | "cursor-above" => self.add_cursor_above(), |
| 6112 | "cursor-below" => self.add_cursor_below(), |
| 6113 | |
| 6114 | // View / Panes |
| 6115 | "split-vertical" => self.split_vertical(), |
| 6116 | "split-horizontal" => self.split_horizontal(), |
| 6117 | "close-pane" => self.close_pane(), |
| 6118 | "next-pane" => self.tab_mut().navigate_pane(PaneDirection::Right), |
| 6119 | "prev-pane" => self.tab_mut().navigate_pane(PaneDirection::Left), |
| 6120 | "toggle-explorer" => self.workspace.fuss.toggle(), |
| 6121 | |
| 6122 | // LSP operations |
| 6123 | "goto-definition" => self.lsp_goto_definition(), |
| 6124 | "find-references" => self.lsp_find_references(), |
| 6125 | "rename" => self.lsp_rename(), |
| 6126 | "hover" => self.lsp_hover(), |
| 6127 | "completion" => self.filter_completions(), |
| 6128 | "server-manager" => self.toggle_server_manager(), |
| 6129 | |
| 6130 | // Bracket/Quote operations |
| 6131 | "jump-bracket" => self.jump_to_matching_bracket(), |
| 6132 | "cycle-brackets" => self.cycle_brackets(), |
| 6133 | "remove-surrounding" => self.remove_surrounding(), |
| 6134 | |
| 6135 | // Help |
| 6136 | "command-palette" => {} // Already open |
| 6137 | "help" => self.open_help_menu(), |
| 6138 | |
| 6139 | _ => { |
| 6140 | self.message = Some(format!("Unknown command: {}", command_id)); |
| 6141 | } |
| 6142 | } |
| 6143 | } |
| 6144 | |
| 6145 | // === Help Menu === |
| 6146 | |
| 6147 | /// Open the help menu with keybindings |
| 6148 | fn open_help_menu(&mut self) { |
| 6149 | let filtered = filter_keybinds(""); |
| 6150 | self.prompt = PromptState::HelpMenu { |
| 6151 | query: String::new(), |
| 6152 | filtered, |
| 6153 | selected_index: 0, |
| 6154 | scroll_offset: 0, |
| 6155 | show_alt: false, |
| 6156 | }; |
| 6157 | } |
| 6158 | } |
| 6159 | |
| 6160 | /// Fuzzy match scoring for command palette |
| 6161 | fn fuzzy_match_score(text: &str, pattern: &str) -> i32 { |
| 6162 | if pattern.is_empty() { |
| 6163 | return 100; // Empty pattern matches everything with base score |
| 6164 | } |
| 6165 | |
| 6166 | let text_lower = text.to_lowercase(); |
| 6167 | let pattern_lower = pattern.to_lowercase(); |
| 6168 | |
| 6169 | let mut score = 0i32; |
| 6170 | let mut pattern_idx = 0; |
| 6171 | let mut consecutive = 0; |
| 6172 | let pattern_chars: Vec<char> = pattern_lower.chars().collect(); |
| 6173 | let text_chars: Vec<char> = text_lower.chars().collect(); |
| 6174 | |
| 6175 | if pattern_chars.is_empty() { |
| 6176 | return 100; |
| 6177 | } |
| 6178 | |
| 6179 | for (i, &tc) in text_chars.iter().enumerate() { |
| 6180 | if pattern_idx >= pattern_chars.len() { |
| 6181 | break; |
| 6182 | } |
| 6183 | |
| 6184 | if tc == pattern_chars[pattern_idx] { |
| 6185 | score += 10; |
| 6186 | consecutive += 1; |
| 6187 | |
| 6188 | // Bonus for consecutive matches |
| 6189 | if consecutive > 1 { |
| 6190 | score += 5; |
| 6191 | } |
| 6192 | |
| 6193 | // Bonus for matching at start or after space/separator |
| 6194 | if i == 0 || matches!(text_chars.get(i.wrapping_sub(1)), Some(' ' | ':' | '-' | '_' | '/')) { |
| 6195 | score += 15; |
| 6196 | } |
| 6197 | |
| 6198 | pattern_idx += 1; |
| 6199 | } else { |
| 6200 | consecutive = 0; |
| 6201 | } |
| 6202 | } |
| 6203 | |
| 6204 | // Only return positive score if all pattern characters matched |
| 6205 | if pattern_idx == pattern_chars.len() { |
| 6206 | score |
| 6207 | } else { |
| 6208 | 0 |
| 6209 | } |
| 6210 | } |
| 6211 | |
| 6212 | /// Filter and sort commands by fuzzy match score |
| 6213 | fn filter_commands(query: &str) -> Vec<PaletteCommand> { |
| 6214 | let mut filtered: Vec<PaletteCommand> = ALL_COMMANDS |
| 6215 | .iter() |
| 6216 | .filter_map(|cmd| { |
| 6217 | // Match against name, category, or command ID |
| 6218 | let name_score = fuzzy_match_score(cmd.name, query); |
| 6219 | let category_score = fuzzy_match_score(cmd.category, query) / 2; // Category match worth less |
| 6220 | let id_score = fuzzy_match_score(cmd.id, query) / 2; |
| 6221 | |
| 6222 | let score = name_score.max(category_score).max(id_score); |
| 6223 | if score > 0 { |
| 6224 | let mut cmd = cmd.clone(); |
| 6225 | cmd.score = score; |
| 6226 | Some(cmd) |
| 6227 | } else { |
| 6228 | None |
| 6229 | } |
| 6230 | }) |
| 6231 | .collect(); |
| 6232 | |
| 6233 | // Sort by score descending |
| 6234 | filtered.sort_by(|a, b| b.score.cmp(&a.score)); |
| 6235 | filtered |
| 6236 | } |
| 6237 | |
| 6238 | /// Filter keybinds by fuzzy match (for help menu) |
| 6239 | fn filter_keybinds(query: &str) -> Vec<HelpKeybind> { |
| 6240 | if query.is_empty() { |
| 6241 | // Return all keybinds in original order (grouped by category) |
| 6242 | return ALL_KEYBINDS.to_vec(); |
| 6243 | } |
| 6244 | |
| 6245 | let mut filtered: Vec<(HelpKeybind, i32)> = ALL_KEYBINDS |
| 6246 | .iter() |
| 6247 | .filter_map(|kb| { |
| 6248 | // Match against shortcut, description, or category |
| 6249 | let shortcut_score = fuzzy_match_score(kb.shortcut, query); |
| 6250 | let desc_score = fuzzy_match_score(kb.description, query); |
| 6251 | let category_score = fuzzy_match_score(kb.category, query) / 2; |
| 6252 | |
| 6253 | let score = shortcut_score.max(desc_score).max(category_score); |
| 6254 | if score > 0 { |
| 6255 | Some((kb.clone(), score)) |
| 6256 | } else { |
| 6257 | None |
| 6258 | } |
| 6259 | }) |
| 6260 | .collect(); |
| 6261 | |
| 6262 | // Sort by score descending |
| 6263 | filtered.sort_by(|a, b| b.1.cmp(&a.1)); |
| 6264 | filtered.into_iter().map(|(kb, _)| kb).collect() |
| 6265 | } |
| 6266 | |
| 6267 | impl Drop for Editor { |
| 6268 | fn drop(&mut self) { |
| 6269 | let _ = self.screen.leave_raw_mode(); |
| 6270 | } |
| 6271 | } |
| 6272 | |
| 6273 | /// Check if a character is a "word" character (alphanumeric or underscore) |
| 6274 | fn is_word_char(c: char) -> bool { |
| 6275 | c.is_alphanumeric() || c == '_' |
| 6276 | } |
| 6277 |