gardesk/garterm / 8d93a2b

Browse files

feat: dim inactive panes, add blue accent bar on active tab

Authored by mfwolffe <wolffemf@dukes.jmu.edu>
SHA
8d93a2b29898d1a266c3b8e888ea7d64795b7af6
Parents
2ed0160
Tree
f0cd17b

1 changed file

StatusFile+-
M garterm/src/render/mod.rs 41 0
garterm/src/render/mod.rsmodified
@@ -468,6 +468,11 @@ impl Renderer {
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                 self.add_pane_border(pane.x, pane.y, pane.width, pane.height, pane.focused);
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             }
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+            // Dim inactive panes with a semi-transparent overlay
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+            if !pane.focused && panes.len() > 1 {
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+                self.add_dim_overlay(pane.x, pane.y, pane.width, pane.height);
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+            }
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+
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             tracing::trace!(
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                 "Pane {} at ({}, {}) size {}x{} focused={}",
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                 i, pane.x, pane.y, pane.width, pane.height, pane.focused
@@ -557,6 +562,19 @@ impl Renderer {
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                 0.0,
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             );
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+            // Active tab accent indicator (colored bar at bottom)
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+            if tab.is_active {
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+                let accent_height = 3.0;
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+                let accent_color = [0.4, 0.6, 1.0, 1.0]; // Blue accent matching focused pane border
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+                self.add_quad(
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+                    to_ndc_x(tab.rect.x), to_ndc_y(tab.rect.y + tab.rect.height - accent_height),
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+                    to_ndc_x(tab.rect.x + tab.rect.width), to_ndc_y(tab.rect.y + tab.rect.height),
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+                    0.0, 0.0, 0.0, 0.0,
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+                    accent_color,
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+                    0.0,
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+                );
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+            }
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+
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             // Tab title text (render each character using configured color)
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             self.render_text_at(
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                 &tab.title,
@@ -714,6 +732,11 @@ impl Renderer {
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                 self.add_pane_border(pane.x, pane.y, pane.width, pane.height, pane.focused);
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             }
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+            // Dim inactive panes with a semi-transparent overlay
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+            if !pane.focused && panes.len() > 1 {
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+                self.add_dim_overlay(pane.x, pane.y, pane.width, pane.height);
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+            }
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+
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             // Show scroll indicator when scrolled back from bottom
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             if pane.terminal.is_scrolled() {
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                 self.add_scroll_indicator(pane.x, pane.y, pane.width, pane.height);
@@ -831,6 +854,24 @@ impl Renderer {
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         );
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     }
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+    /// Add a semi-transparent dark overlay to dim inactive panes
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+    fn add_dim_overlay(&mut self, x: u32, y: u32, width: u32, height: u32) {
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+        let (surface_w, surface_h) = self.gpu.size();
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+        let to_ndc_x = |px: f32| (px / surface_w as f32) * 2.0 - 1.0;
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+        let to_ndc_y = |py: f32| 1.0 - (py / surface_h as f32) * 2.0;
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+
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+        // Semi-transparent black overlay to dim the pane
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+        let dim_color = [0.0, 0.0, 0.0, 0.35];
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+
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+        self.add_quad(
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+            to_ndc_x(x as f32), to_ndc_y(y as f32),
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+            to_ndc_x((x + width) as f32), to_ndc_y((y + height) as f32),
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+            0.0, 0.0, 0.0, 0.0,
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+            dim_color,
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+            0.0,
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+        );
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+    }
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+
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     /// Add a visual indicator when the terminal is scrolled up from the bottom.
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     /// Shows a small down arrow or bar at the bottom-right to indicate more content below.
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     fn add_scroll_indicator(&mut self, x: u32, y: u32, width: u32, height: u32) {