Revert "editor: Improve multi-buffer header filename click to jump to the latest selection from that buffer" (#42534)

Smit Barmase created

Reverts zed-industries/zed#42480

This panics on Nightly in cases where anchor might not be valid for that
snapshot. Taking it back before the cutoff.

Release Notes:

- N/A

Change summary

crates/editor/src/element.rs | 145 +++++++++++--------------------------
1 file changed, 43 insertions(+), 102 deletions(-)

Detailed changes

crates/editor/src/element.rs 🔗

@@ -6,10 +6,10 @@ use crate::{
     EditDisplayMode, EditPrediction, Editor, EditorMode, EditorSettings, EditorSnapshot,
     EditorStyle, FILE_HEADER_HEIGHT, FocusedBlock, GutterDimensions, HalfPageDown, HalfPageUp,
     HandleInput, HoveredCursor, InlayHintRefreshReason, JumpData, LineDown, LineHighlight, LineUp,
-    MAX_LINE_LEN, MINIMAP_FONT_SIZE, MULTI_BUFFER_EXCERPT_HEADER_HEIGHT, OpenExcerpts, PageDown,
-    PageUp, PhantomBreakpointIndicator, Point, RowExt, RowRangeExt, SelectPhase,
-    SelectedTextHighlight, Selection, SelectionDragState, SelectionEffects, SizingBehavior,
-    SoftWrap, StickyHeaderExcerpt, ToPoint, ToggleFold, ToggleFoldAll,
+    MAX_LINE_LEN, MINIMAP_FONT_SIZE, MULTI_BUFFER_EXCERPT_HEADER_HEIGHT, OpenExcerpts,
+    OpenExcerptsSplit, PageDown, PageUp, PhantomBreakpointIndicator, Point, RowExt, RowRangeExt,
+    SelectPhase, SelectedTextHighlight, Selection, SelectionDragState, SelectionEffects,
+    SizingBehavior, SoftWrap, StickyHeaderExcerpt, ToPoint, ToggleFold, ToggleFoldAll,
     code_context_menus::{CodeActionsMenu, MENU_ASIDE_MAX_WIDTH, MENU_ASIDE_MIN_WIDTH, MENU_GAP},
     display_map::{
         Block, BlockContext, BlockStyle, ChunkRendererId, DisplaySnapshot, EditorMargins,
@@ -3664,7 +3664,6 @@ impl EditorElement {
         row_block_types: &mut HashMap<DisplayRow, bool>,
         selections: &[Selection<Point>],
         selected_buffer_ids: &Vec<BufferId>,
-        selection_anchors: &[Selection<Anchor>],
         is_row_soft_wrapped: impl Copy + Fn(usize) -> bool,
         sticky_header_excerpt_id: Option<ExcerptId>,
         window: &mut Window,
@@ -3740,13 +3739,7 @@ impl EditorElement {
                 let selected = selected_buffer_ids.contains(&first_excerpt.buffer_id);
                 let result = v_flex().id(block_id).w_full().pr(editor_margins.right);
 
-                let jump_data = header_jump_data(
-                    snapshot,
-                    block_row_start,
-                    *height,
-                    first_excerpt,
-                    selection_anchors,
-                );
+                let jump_data = header_jump_data(snapshot, block_row_start, *height, first_excerpt);
                 result
                     .child(self.render_buffer_header(
                         first_excerpt,
@@ -3781,13 +3774,7 @@ impl EditorElement {
             Block::BufferHeader { excerpt, height } => {
                 let mut result = v_flex().id(block_id).w_full();
 
-                let jump_data = header_jump_data(
-                    snapshot,
-                    block_row_start,
-                    *height,
-                    excerpt,
-                    selection_anchors,
-                );
+                let jump_data = header_jump_data(snapshot, block_row_start, *height, excerpt);
 
                 if sticky_header_excerpt_id != Some(excerpt.id) {
                     let selected = selected_buffer_ids.contains(&excerpt.buffer_id);
@@ -4055,18 +4042,24 @@ impl EditorElement {
                                                     )
                                                     .group_hover("", |div| div.underline()),
                                             )
-                                            .on_click(window.listener_for(&self.editor, {
-                                                let jump_data = jump_data.clone();
-
-                                                move |editor, e: &ClickEvent, window, cx| {
-                                                    editor.open_excerpts_common(
-                                                        Some(jump_data.clone()),
-                                                        e.modifiers().secondary(),
-                                                        window,
-                                                        cx,
-                                                    );
+                                            .on_click({
+                                                let focus_handle = focus_handle.clone();
+                                                move |event, window, cx| {
+                                                    if event.modifiers().secondary() {
+                                                        focus_handle.dispatch_action(
+                                                            &OpenExcerptsSplit,
+                                                            window,
+                                                            cx,
+                                                        );
+                                                    } else {
+                                                        focus_handle.dispatch_action(
+                                                            &OpenExcerpts,
+                                                            window,
+                                                            cx,
+                                                        );
+                                                    }
                                                 }
-                                            })),
+                                            }),
                                     )
                                     .when_some(parent_path, |then, path| {
                                         then.child(div().child(path).text_color(
@@ -4094,18 +4087,24 @@ impl EditorElement {
                                                         cx,
                                                     )),
                                             )
-                                            .on_click(window.listener_for(&self.editor, {
-                                                let jump_data = jump_data.clone();
-
-                                                move |editor, e: &ClickEvent, window, cx| {
-                                                    editor.open_excerpts_common(
-                                                        Some(jump_data.clone()),
-                                                        e.modifiers().secondary(),
-                                                        window,
-                                                        cx,
-                                                    );
+                                            .on_click({
+                                                let focus_handle = focus_handle.clone();
+                                                move |event, window, cx| {
+                                                    if event.modifiers().secondary() {
+                                                        focus_handle.dispatch_action(
+                                                            &OpenExcerptsSplit,
+                                                            window,
+                                                            cx,
+                                                        );
+                                                    } else {
+                                                        focus_handle.dispatch_action(
+                                                            &OpenExcerpts,
+                                                            window,
+                                                            cx,
+                                                        );
+                                                    }
                                                 }
-                                            })),
+                                            }),
                                     )
                                 },
                             )
@@ -4251,7 +4250,6 @@ impl EditorElement {
         line_layouts: &mut [LineWithInvisibles],
         selections: &[Selection<Point>],
         selected_buffer_ids: &Vec<BufferId>,
-        selection_anchors: &[Selection<Anchor>],
         is_row_soft_wrapped: impl Copy + Fn(usize) -> bool,
         sticky_header_excerpt_id: Option<ExcerptId>,
         window: &mut Window,
@@ -4295,7 +4293,6 @@ impl EditorElement {
                 &mut row_block_types,
                 selections,
                 selected_buffer_ids,
-                selection_anchors,
                 is_row_soft_wrapped,
                 sticky_header_excerpt_id,
                 window,
@@ -4353,7 +4350,6 @@ impl EditorElement {
                 &mut row_block_types,
                 selections,
                 selected_buffer_ids,
-                selection_anchors,
                 is_row_soft_wrapped,
                 sticky_header_excerpt_id,
                 window,
@@ -4409,7 +4405,6 @@ impl EditorElement {
                 &mut row_block_types,
                 selections,
                 selected_buffer_ids,
-                selection_anchors,
                 is_row_soft_wrapped,
                 sticky_header_excerpt_id,
                 window,
@@ -4492,7 +4487,6 @@ impl EditorElement {
         hitbox: &Hitbox,
         selected_buffer_ids: &Vec<BufferId>,
         blocks: &[BlockLayout],
-        selection_anchors: &[Selection<Anchor>],
         window: &mut Window,
         cx: &mut App,
     ) -> AnyElement {
@@ -4501,7 +4495,6 @@ impl EditorElement {
             DisplayRow(scroll_position.y as u32),
             FILE_HEADER_HEIGHT + MULTI_BUFFER_EXCERPT_HEADER_HEIGHT,
             excerpt,
-            selection_anchors,
         );
 
         let editor_bg_color = cx.theme().colors().editor_background;
@@ -7805,34 +7798,7 @@ fn header_jump_data(
     block_row_start: DisplayRow,
     height: u32,
     for_excerpt: &ExcerptInfo,
-    selection_anchors: &[Selection<Anchor>],
 ) -> JumpData {
-    if let Some(cursor_anchor) = latest_anchor_for_buffer(selection_anchors, for_excerpt.buffer_id)
-    {
-        let buffer_point =
-            language::ToPoint::to_point(&cursor_anchor.text_anchor, &for_excerpt.buffer);
-        let multibuffer_point = snapshot
-            .buffer_snapshot()
-            .summary_for_anchor::<Point>(&cursor_anchor);
-        let display_row = snapshot
-            .display_snapshot
-            .point_to_display_point(multibuffer_point, Bias::Left)
-            .row()
-            .0;
-        let scroll_row = snapshot
-            .scroll_anchor
-            .scroll_position(&snapshot.display_snapshot)
-            .y as u32;
-        let line_offset_from_top = display_row.saturating_sub(scroll_row);
-
-        return JumpData::MultiBufferPoint {
-            excerpt_id: cursor_anchor.excerpt_id,
-            anchor: cursor_anchor.text_anchor,
-            position: buffer_point,
-            line_offset_from_top,
-        };
-    }
-
     let range = &for_excerpt.range;
     let buffer = &for_excerpt.buffer;
     let jump_anchor = range.primary.start;
@@ -7862,20 +7828,6 @@ fn header_jump_data(
     }
 }
 
-fn latest_anchor_for_buffer(
-    selection_anchors: &[Selection<Anchor>],
-    buffer_id: BufferId,
-) -> Option<Anchor> {
-    selection_anchors
-        .iter()
-        .filter_map(|selection| {
-            let head = selection.head();
-            (head.buffer_id == Some(buffer_id)).then_some((selection.id, head))
-        })
-        .max_by_key(|(id, _)| *id)
-        .map(|(_, anchor)| anchor)
-}
-
 pub struct AcceptEditPredictionBinding(pub(crate) Option<gpui::KeyBinding>);
 
 impl AcceptEditPredictionBinding {
@@ -9187,18 +9139,15 @@ impl Element for EditorElement {
                         cx,
                     );
 
-                    let (local_selections, selected_buffer_ids, selection_anchors): (
+                    let (local_selections, selected_buffer_ids): (
                         Vec<Selection<Point>>,
                         Vec<BufferId>,
-                        Arc<[Selection<Anchor>]>,
                     ) = self
                         .editor_with_selections(cx)
                         .map(|editor| {
                             editor.update(cx, |editor, cx| {
                                 let all_selections =
                                     editor.selections.all::<Point>(&snapshot.display_snapshot);
-                                let all_anchor_selections =
-                                    editor.selections.all_anchors(&snapshot.display_snapshot);
                                 let selected_buffer_ids =
                                     if editor.buffer_kind(cx) == ItemBufferKind::Singleton {
                                         Vec::new()
@@ -9227,16 +9176,10 @@ impl Element for EditorElement {
                                 selections
                                     .extend(editor.selections.pending(&snapshot.display_snapshot));
 
-                                (selections, selected_buffer_ids, all_anchor_selections)
+                                (selections, selected_buffer_ids)
                             })
                         })
-                        .unwrap_or_else(|| {
-                            (
-                                Vec::new(),
-                                Vec::new(),
-                                Arc::<[Selection<Anchor>]>::from(Vec::new()),
-                            )
-                        });
+                        .unwrap_or_default();
 
                     let (selections, mut active_rows, newest_selection_head) = self
                         .layout_selections(
@@ -9467,7 +9410,6 @@ impl Element for EditorElement {
                                     &mut line_layouts,
                                     &local_selections,
                                     &selected_buffer_ids,
-                                    selection_anchors.as_ref(),
                                     is_row_soft_wrapped,
                                     sticky_header_excerpt_id,
                                     window,
@@ -9501,7 +9443,6 @@ impl Element for EditorElement {
                                 &hitbox,
                                 &selected_buffer_ids,
                                 &blocks,
-                                selection_anchors.as_ref(),
                                 window,
                                 cx,
                             )