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Commits on December 20, 2025

  1. getting built on mac
    mfwolffe committed
    034024d
  2. getting built on mac
    mfwolffe committed
    cac10ee
  3. fixes
    mfwolffe committed
    2740db7
  4. Add cell width fields and update build config
    mfwolffe committed
    4f77477
  5. Add wcwidth module for wide character support
    mfwolffe committed
    da6ae99
  6. Add text selection module
    mfwolffe committed
    8e6d2a3
  7. Integrate title polling and cursor blink in main loop
    mfwolffe committed
    5732b28
  8. Add window title support and cursor styles
    mfwolffe committed
    b0c1a51
  9. Integrate configuration system in main program 
    Load configuration at startup from ~/.config/fortty/fortty.toml:
- Apply color palette and default colors to cell module
- Use window dimensions from config
- Pass font path and size to renderer
- Use font metrics for cell dimensions instead of hardcoded values

Add config modules to CMakeLists.txt build.
Includes response handling in main loop for DA1/DSR replies.
    mfwolffe committed
    abacd9a
  10. Add configuration module 
    Define config_t type with settings for:
- Window: width, height
- Font: path, fallback, size
- Colors: foreground, background, cursor, 16-color palette
- Terminal: scrollback lines
- Shell: program path

Implements config_load with XDG Base Directory support,
hex color parsing (#RRGGBB), and sensible defaults.
    mfwolffe committed
    d768056
  11. Add TOML configuration parser 
    Simple TOML parser for fortty configuration files:
- Section parsing: [section]
- Key-value pairs: key = value
- String values with quote handling
- Integer and logical value parsing
- Comment and inline comment support

Provides toml_open, toml_get_string, toml_get_integer,
toml_get_logical for reading configuration values.
    mfwolffe committed
    eeef643
  12. Add configurable color palette to cell module 
    Add custom 16-color palette support:
- set_palette_color: override individual palette entries
- set_default_colors: set default foreground/background
- init_default_palette: initialize with VGA-style defaults

Modify color_from_index to use custom palette for indices 0-15,
allowing configuration-driven terminal theming.
    mfwolffe committed
    0cc7ca5
  13. Add DA1/DSR terminal response handling 
    Add response queue to terminal for escape sequence replies:
- terminal_queue_response: buffer response to send to PTY
- terminal_has_response: check for pending response
- terminal_get_response: retrieve and clear pending response

Implement DA1 (Primary Device Attributes) responding as VT102,
and DSR (Device Status Report) for status and cursor position.
Fixes fish shell warning about unanswered DA1 query.
    mfwolffe committed
    935de6b
  14. Integrate font fallback and scrollback in main program 
    Updates the main program to use the new font fallback system and
scrollback buffer rendering.

Font handling:
- Use fontconfig to find system monospace font
- Search for Nerd Font icons (U+E5FF, U+E0A0) then Font Awesome (U+F07B)
- Fall back to hardcoded paths if fontconfig unavailable
- Add TARGET attribute to renderer for proper pointer handling
- Fix dangling font pointer by reassigning atlas%font after creation

Scrollback rendering:
- Render from scrollback buffer when scroll_offset > 0
- Integrate with terminal scroll view functions
- Properly handle mixed scrollback/screen content

The terminal now properly displays:
- Unicode characters (❯, arrows, etc.)
- Nerd Font icons (eza --icons, powerline)
- Scrollable history with mouse wheel and Shift+PageUp/Down
    mfwolffe committed
    c16db01
  15. Add font fallback support with fontconfig integration 
    Implements fallback font loading for glyphs missing from the primary
font. Uses fontconfig for portable font discovery, with hardcoded
paths as fallback.

Font module (font.f90):
- Add ft_face_fallback and has_fallback fields to font_t
- font_load_fallback() to load secondary font
- font_has_glyph() to check glyph existence
- font_render_glyph_with_fallback() tries fallback if primary lacks glyph
- font_find_monospace() and font_find_for_codepoint() via fontconfig

Atlas module (atlas.f90):
- Increase atlas size to 1024x1024 for Unicode support
- Add extended glyph cache (256 entries) with hash table
- On-demand loading for non-ASCII codepoints

C helpers (freetype_helpers.c):
- fortty_ft_has_glyph() for glyph existence check
- fortty_fc_find_font_for_char() finds font with specific codepoint
- fortty_fc_find_monospace_font() finds system monospace font

CMakeLists.txt:
- Link fontconfig when available, define HAVE_FONTCONFIG
    mfwolffe committed
    8fc04e3
  16. Add scrollback buffer with mouse wheel and keyboard scrolling 
    Implements a 10,000 line scrollback buffer using a circular buffer
design. Users can scroll through terminal history.

New features:
- Circular buffer scrollback_mod with configurable capacity
- Mouse wheel scrolling (3 lines per notch)
- Shift+PageUp/PageDown for page-wise scrolling
- Auto-reset to live view on keyboard input

Files:
- scrollback.f90: New circular buffer implementation
- terminal.f90: Scrollback integration, scroll_offset tracking
- window.f90: Scroll callbacks, terminal pointer for scrolling
- glfw_bindings.f90: glfwSetScrollCallback binding
    mfwolffe committed
    2297633
  17. Add UTF-8 multi-byte character decoding to parser 
    The parser now properly decodes UTF-8 multi-byte sequences instead of
passing raw bytes as codepoints. This fixes rendering of Unicode
characters like ❯ (U+276F) which were previously displayed incorrectly.

Changes:
- Add UTF-8 state machine with utf8_codepoint and utf8_remaining fields
- Handle 2-byte, 3-byte, and 4-byte UTF-8 sequences
- Properly detect and handle invalid continuation bytes
- Make handle_ground recursive for error recovery
    mfwolffe committed
    905bff3
  18. Add keyboard input handling 
    - Add GLFW key constants and modifier masks
- Implement char callback for text input with UTF-8 encoding
- Implement key callback for special keys (arrows, F1-12, Home/End, etc.)
- Handle Ctrl+A through Ctrl+Z combinations
- Generate xterm-compatible escape sequences for special keys
- Connect PTY to window module for keyboard input
- Integrate parser into main loop
    mfwolffe committed
    a0ab8e8
  19. Add VT/ANSI escape sequence parser 
    - Create parser.f90 with state machine (ground, escape, CSI, OSC states)
- Add CSI dispatch for cursor movement, erase, SGR colors/attributes
- Support 256-color palette and RGB colors in cell.f90
- Add DEC private modes (alternate screen, cursor visibility)
- Add terminal operations: save/restore cursor, scroll region,
  insert/delete lines/chars, reverse index, reset
    mfwolffe committed
    ad9a8ba
  20. Add terminal state machine with screen buffer rendering
    mfwolffe committed
    31a3b3f
  21. Add PTY integration for shell communication
    mfwolffe committed
    b5794f4
  22. don't track this
    mfwolffe committed
    22425c0
  23. Add GPU-accelerated text rendering with FreeType atlas
    mfwolffe committed
    8d13407
  24. Add FreeType bindings for font loading 
    - C helper functions for FreeType (init, load font, render glyph)
- Fortran font_mod module with font_t type
- Fortran glyph_mod module with glyph_t type
- Updated CMake to find and link FreeType
    mfwolffe committed
    d016cd4
  25. don't track fackr files
    mfwolffe committed
    14f0f3a
  26. Add foundation: GLFW window with OpenGL 3.3 context 
    - CMake build system with Fortran/C interop
- GLAD2 OpenGL loader with C wrapper functions
- GLFW bindings for window management
- Basic event loop with Escape to close
- Framebuffer resize callback for HiDPI support
    mfwolffe committed
    a9ed633