Fix text offset in the expanded deleted hunk (#11295)

crates/editor/src/editor.rs

@@ -467,7 +467,7 @@ pub struct Editor {
     next_inlay_id: usize,
     _subscriptions: Vec<Subscription>,
     pixel_position_of_newest_cursor: Option<gpui::Point<Pixels>>,
-    gutter_width: Pixels,
+    gutter_dimensions: GutterDimensions,
     pub vim_replace_map: HashMap<Range<usize>, String>,
     style: Option<EditorStyle>,
     editor_actions: Vec<Box<dyn Fn(&mut ViewContext<Self>)>>,
@@ -503,6 +503,7 @@ pub struct EditorSnapshot {
 
 const GIT_BLAME_GUTTER_WIDTH_CHARS: f32 = 53.;
 
+#[derive(Debug, Clone, Copy)]
 pub struct GutterDimensions {
     pub left_padding: Pixels,
     pub right_padding: Pixels,
@@ -1517,7 +1518,7 @@ impl Editor {
             pixel_position_of_newest_cursor: None,
             last_bounds: None,
             expect_bounds_change: None,
-            gutter_width: Default::default(),
+            gutter_dimensions: GutterDimensions::default(),
             style: None,
             show_cursor_names: false,
             hovered_cursors: Default::default(),
@@ -10807,7 +10808,7 @@ impl ViewInputHandler for Editor {
 
         let start = OffsetUtf16(range_utf16.start).to_display_point(&snapshot);
         let x = snapshot.x_for_display_point(start, &text_layout_details) - scroll_left
-            + self.gutter_width;
+            + self.gutter_dimensions.width;
         let y = line_height * (start.row() as f32 - scroll_position.y);
 
         Some(Bounds {

crates/editor/src/element.rs

@@ -3644,7 +3644,7 @@ impl Element for EditorElement {
 
                 snapshot = self.editor.update(cx, |editor, cx| {
                     editor.last_bounds = Some(bounds);
-                    editor.gutter_width = gutter_dimensions.width;
+                    editor.gutter_dimensions = gutter_dimensions;
                     editor.set_visible_line_count(bounds.size.height / line_height, cx);
 
                     let editor_width =
@@ -5157,7 +5157,7 @@ fn compute_auto_height_layout(
     let gutter_dimensions =
         snapshot.gutter_dimensions(font_id, font_size, em_width, max_line_number_width, cx);
 
-    editor.gutter_width = gutter_dimensions.width;
+    editor.gutter_dimensions = gutter_dimensions;
     let text_width = width - gutter_dimensions.width;
     let overscroll = size(em_width, px(0.));
 

crates/editor/src/hunk_diff.rs

@@ -332,7 +332,7 @@ impl Editor {
         let deleted_hunk_color = deleted_hunk_color(cx);
         let (editor_height, editor_with_deleted_text) =
             editor_with_deleted_text(diff_base_buffer, deleted_text_range, deleted_hunk_color, cx);
-        let parent_gutter_width = self.gutter_width;
+        let parent_gutter_offset = self.gutter_dimensions.width + self.gutter_dimensions.margin;
         let mut new_block_ids = self.insert_blocks(
             Some(BlockProperties {
                 position,
@@ -342,7 +342,7 @@ impl Editor {
                     div()
                         .bg(deleted_hunk_color)
                         .size_full()
-                        .pl(parent_gutter_width)
+                        .pl(parent_gutter_offset)
                         .child(editor_with_deleted_text.clone())
                         .into_any_element()
                 }),