limit ligature backtracking

src/editor/grid.rs

@@ -243,6 +243,6 @@ mod tests {
 
         assert_eq!(character_grid.width, width);
         assert_eq!(character_grid.height, height);
-        assert_eq!(character_grid.characters, vec![None; new_area]);
+        assert_eq!(character_grid.characters, vec![grid_cell.clone(); new_area]);
     }
 }

src/editor/mod.rs

@@ -114,11 +114,9 @@ impl Editor {
                 height,
             } => {
                 if let Some(window) = self.windows.get_mut(&grid) {
-                    window.grid.resize(width, height);
+                    window.resize(width, height);
                 } else {
-                    let new_window =
-                        Window::new(grid, width, height, None, WindowAnchor::NorthWest, 0.0, 0.0);
-                    self.windows.insert(grid, new_window);
+                    self.windows.insert(grid, Window::new(grid, width, height, None, WindowAnchor::NorthWest, 0.0, 0.0));
                 }
             }
             RedrawEvent::GridLine {

src/editor/window.rs

@@ -92,7 +92,7 @@ impl Window {
             text = text.repeat(times as usize);
         }
 
-        let mut draw_command_start_index = column_pos.clone();
+        let cell_start_index = column_pos.clone();
         if text.is_empty() {
             if let Some(cell) = self.grid.get_cell_mut(*column_pos, row_index) {
                 *cell = Some(("".to_string(), style.clone()));
@@ -108,29 +108,28 @@ impl Window {
         }
 
         let row = self.grid.row(row_index).unwrap();
-        loop {
-            if draw_command_start_index > 0 {
-                if let Some((_, previous_style)) = &row[draw_command_start_index as usize - 1] {
-                    if &style == previous_style {
-                        draw_command_start_index = draw_command_start_index - 1;
+
+        let mut draw_command_start_index = cell_start_index;
+        for possible_start_index in (cell_start_index.checked_sub(3).unwrap_or(0)..cell_start_index).rev() {
+            if let Some((_, possible_start_style)) = &row[possible_start_index as usize] {
+                if &style == possible_start_style {
+                    draw_command_start_index = possible_start_index;
                     continue;
                 }
             }
-            }
             break;
         }
 
 
-        let mut draw_command_end_index = column_pos.clone() - 1;
-        loop {
-            if draw_command_end_index < self.grid.width - 1 {
-                if let Some((_, next_style)) = &row[draw_command_end_index as usize] {
-                    if &style == next_style {
-                        draw_command_end_index = draw_command_end_index + 1;
+        let cell_end_index = column_pos.clone();
+        let mut draw_command_end_index = column_pos.clone();
+        for possible_end_index in cell_end_index..(cell_end_index + 3).min(self.grid.width - 1) {
+            if let Some((_, possible_end_style)) = &row[possible_end_index as usize] {
+                if &style == possible_end_style {
+                    draw_command_end_index = possible_end_index;
                     continue;
                 }
             }
-            }
             break;
         }
 
@@ -219,7 +218,6 @@ impl Window {
     }
 
     pub fn build_draw_commands(&mut self) -> Vec<DrawCommand> {
-
         let mut draw_commands = Vec::new();
         swap(&mut self.queued_draw_commands, &mut draw_commands);
 

src/renderer/mod.rs

@@ -31,14 +31,20 @@ use cursor_renderer::CursorRenderer;
 #[derive(Clone)]
 pub struct RendererSettings {
     animation_length: f32,
+    floating_opacity: f32,
+    floating_blur: bool,
 }
 
 pub fn initialize_settings() {
     SETTINGS.set(&RendererSettings {
         animation_length: 0.15,
+        floating_opacity: 0.7,
+        floating_blur: true,
     });
 
     register_nvim_setting!("window_animation_length", RendererSettings::animation_length);
+    register_nvim_setting!("floating_window_opacity", RendererSettings::floating_opacity);
+    register_nvim_setting!("floating_window_blur", RendererSettings::floating_opacity);
 }
 
 // ----------------------------------------------------------------------------
@@ -157,7 +163,8 @@ impl Renderer {
         cell_width: u64,
         style: &Option<Arc<Style>>,
         default_style: &Arc<Style>,
-        floating: bool
+        floating: bool,
+        settings: &RendererSettings
     ) {
         self.paint.set_blend_mode(BlendMode::Src);
 
@@ -167,7 +174,7 @@ impl Renderer {
         let mut color = style.background(&default_style.colors);
 
         if floating {
-            color.a = 0.8;
+            color.a = color.a * settings.floating_opacity.min(1.0).max(0.0);
         }
 
         self.paint.set_color(color.to_color());
@@ -307,7 +314,8 @@ impl Renderer {
                         cell_width,
                         &style,
                         &default_style,
-                        window_render_info.floating
+                        window_render_info.floating,
+                        settings
                     );
                     self.draw_foreground(
                         &mut canvas,
@@ -356,22 +364,27 @@ impl Renderer {
         }
 
         root_canvas.save();
-        // let region = Rect::new(5.0, 5.0, 500.0, 500.0);
-        // root_canvas.clip_rect(&region, None, Some(false));
 
-        // let blur = blur((5.0, 5.0), None, None, None).unwrap();
-        // let save_layer_rec = SaveLayerRec::default()
-        //     .backdrop(&blur)
-        //     .bounds(&region);
+        let region = Rect::from_point_and_size(rendered_window.current_position, (image_width, image_height));
+        root_canvas.clip_rect(&region, None, Some(false));
+        if window_render_info.floating && settings.floating_blur {
+            let blur = blur((2.0, 2.0), None, None, None).unwrap();
+            let save_layer_rec = SaveLayerRec::default()
+                .backdrop(&blur)
+                .bounds(&region);
 
-        // root_canvas.save_layer(&save_layer_rec);
+            root_canvas.save_layer(&save_layer_rec);
+        }
 
         rendered_window.surface.draw(
             root_canvas.as_mut(),
             (rendered_window.current_position.x, rendered_window.current_position.y), 
             None);
 
-        // root_canvas.restore();
+        if window_render_info.floating {
+            root_canvas.restore();
+        }
+
         root_canvas.restore();
 
         let window_position = rendered_window.current_position.clone();

src/settings/from_value.rs

@@ -70,7 +70,7 @@ impl FromValue for bool {
         } else if value.is_u64() {
             *self = value.as_u64().unwrap() != 0;
         } else {
-            error!("Setting expected a string, but received {:?}", value);
+            error!("Setting expected a bool or 0/1, but received {:?}", value);
         }
     }
 }

src/settings/mod.rs

@@ -305,7 +305,9 @@ mod tests {
         let (nvim, _, _) = create::new_child_cmd(&mut create_nvim_command(), NeovimHandler())
             .await
             .unwrap_or_explained_panic("Could not locate or start the neovim process");
+
         nvim.set_var(&v4, Value::from(v2.clone())).await.ok();
+        println!("v4 set");
 
         fn noop_update(_v: Value) {}