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Fix perf problem with scrollbars in large multibuffers (#2505)
Remove scrollbars from multibuffers Release Notes: * Removes git scrollbar highlights from multibuffers (preview only)
This commit is contained in:
commit
85266131cf
4 changed files with 64 additions and 49 deletions
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@ -526,11 +526,8 @@ pub struct EditorSnapshot {
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}
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impl EditorSnapshot {
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fn has_scrollbar_info(&self) -> bool {
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self.buffer_snapshot
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.git_diff_hunks_in_range(0..self.max_point().row())
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.next()
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.is_some()
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fn has_scrollbar_info(&self, is_singleton: bool) -> bool {
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is_singleton && self.buffer_snapshot.has_git_diffs()
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}
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}
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@ -1052,51 +1052,53 @@ impl EditorElement {
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..Default::default()
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});
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let diff_style = theme::current(cx).editor.diff.clone();
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for hunk in layout
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.position_map
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.snapshot
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.buffer_snapshot
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.git_diff_hunks_in_range(0..(max_row.floor() as u32))
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{
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let start_display = Point::new(hunk.buffer_range.start, 0)
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.to_display_point(&layout.position_map.snapshot.display_snapshot);
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let end_display = Point::new(hunk.buffer_range.end, 0)
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.to_display_point(&layout.position_map.snapshot.display_snapshot);
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let start_y = y_for_row(start_display.row() as f32);
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let mut end_y = if hunk.buffer_range.start == hunk.buffer_range.end {
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y_for_row((end_display.row() + 1) as f32)
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} else {
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y_for_row((end_display.row()) as f32)
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};
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if layout.is_singleton {
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let diff_style = theme::current(cx).editor.diff.clone();
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for hunk in layout
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.position_map
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.snapshot
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.buffer_snapshot
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.git_diff_hunks_in_range(0..(max_row.floor() as u32))
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{
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let start_display = Point::new(hunk.buffer_range.start, 0)
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.to_display_point(&layout.position_map.snapshot.display_snapshot);
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let end_display = Point::new(hunk.buffer_range.end, 0)
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.to_display_point(&layout.position_map.snapshot.display_snapshot);
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let start_y = y_for_row(start_display.row() as f32);
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let mut end_y = if hunk.buffer_range.start == hunk.buffer_range.end {
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y_for_row((end_display.row() + 1) as f32)
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} else {
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y_for_row((end_display.row()) as f32)
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};
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if end_y - start_y < 1. {
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end_y = start_y + 1.;
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if end_y - start_y < 1. {
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end_y = start_y + 1.;
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}
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let bounds = RectF::from_points(vec2f(left, start_y), vec2f(right, end_y));
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let color = match hunk.status() {
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DiffHunkStatus::Added => diff_style.inserted,
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DiffHunkStatus::Modified => diff_style.modified,
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DiffHunkStatus::Removed => diff_style.deleted,
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};
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let border = Border {
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width: 1.,
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color: style.thumb.border.color,
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overlay: false,
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top: false,
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right: true,
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bottom: false,
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left: true,
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};
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scene.push_quad(Quad {
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bounds,
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background: Some(color),
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border,
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corner_radius: style.thumb.corner_radius,
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})
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}
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let bounds = RectF::from_points(vec2f(left, start_y), vec2f(right, end_y));
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let color = match hunk.status() {
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DiffHunkStatus::Added => diff_style.inserted,
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DiffHunkStatus::Modified => diff_style.modified,
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DiffHunkStatus::Removed => diff_style.deleted,
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};
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let border = Border {
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width: 1.,
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color: style.thumb.border.color,
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overlay: false,
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top: false,
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right: true,
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bottom: false,
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left: true,
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};
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scene.push_quad(Quad {
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bounds,
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background: Some(color),
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border,
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corner_radius: style.thumb.corner_radius,
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})
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}
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scene.push_quad(Quad {
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@ -2067,7 +2069,8 @@ impl Element<Editor> for EditorElement {
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let show_scrollbars = match settings::get::<EditorSettings>(cx).show_scrollbars {
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ShowScrollbars::Auto => {
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snapshot.has_scrollbar_info() || editor.scroll_manager.scrollbars_visible()
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snapshot.has_scrollbar_info(is_singleton)
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|| editor.scroll_manager.scrollbars_visible()
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}
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ShowScrollbars::System => editor.scroll_manager.scrollbars_visible(),
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ShowScrollbars::Always => true,
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@ -2290,6 +2293,7 @@ impl Element<Editor> for EditorElement {
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text_size,
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scrollbar_row_range,
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show_scrollbars,
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is_singleton,
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max_row,
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gutter_margin,
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active_rows,
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@ -2445,6 +2449,7 @@ pub struct LayoutState {
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selections: Vec<(ReplicaId, Vec<SelectionLayout>)>,
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scrollbar_row_range: Range<f32>,
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show_scrollbars: bool,
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is_singleton: bool,
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max_row: u32,
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context_menu: Option<(DisplayPoint, AnyElement<Editor>)>,
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code_actions_indicator: Option<(u32, AnyElement<Editor>)>,
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@ -2841,6 +2841,15 @@ impl MultiBufferSnapshot {
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})
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}
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pub fn has_git_diffs(&self) -> bool {
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for excerpt in self.excerpts.iter() {
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if !excerpt.buffer.git_diff.is_empty() {
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return true;
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}
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}
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false
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}
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pub fn git_diff_hunks_in_range_rev<'a>(
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&'a self,
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row_range: Range<u32>,
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@ -71,6 +71,10 @@ impl BufferDiff {
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}
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}
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pub fn is_empty(&self) -> bool {
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self.tree.is_empty()
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}
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pub fn hunks_in_row_range<'a>(
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&'a self,
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range: Range<u32>,
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