Rework diff rendering to allow putting the cursor into deleted text, soft-wrapping and scrolling deleted text correctly (#22994)
Closes #12553 * [x] Fix `diff_hunk_before` * [x] Fix failure to show deleted text when expanding hunk w/ cursor on second line of the hunk * [x] Failure to expand diff hunk below the cursor. * [x] Delete the whole file, and expand the diff. Backspace over the deleted hunk, panic! * [x] Go-to-line now counts the diff hunks, but it should not * [x] backspace at the beginning of a deleted hunk deletes too much text * [x] Indent guides are rendered incorrectly * [ ] Fix randomized multi buffer tests Maybe: * [ ] Buffer search should include deleted text (in vim mode it turns out I use `/x` all the time to jump to the next x I can see). * [ ] vim: should refuse to switch into insert mode if selection is fully within a diff. * [ ] vim `o` command when cursor is on last line of deleted hunk. * [ ] vim `shift-o` on first line of deleted hunk moves cursor but doesn't insert line * [x] `enter` at end of diff hunk inserts a new line but doesn't move cursor * [x] (`shift-enter` at start of diff hunk does nothing) * [ ] Inserting a line just before an expanded hunk collapses it Release Notes: - Improved diff rendering, allowing you to navigate with your cursor inside of deleted text in diff hunks. --------- Co-authored-by: Conrad <conrad@zed.dev> Co-authored-by: Cole <cole@zed.dev> Co-authored-by: Mikayla <mikayla@zed.dev> Co-authored-by: Conrad Irwin <conrad.irwin@gmail.com> Co-authored-by: Michael <michael@zed.dev> Co-authored-by: Agus <agus@zed.dev> Co-authored-by: João <joao@zed.dev>
This commit is contained in:
Max Brunsfeld
GitHub
parent
1fdae4bae0
commit
d2c55cbe3d
64 changed files with 7653 additions and 5495 deletions
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@ -1,13 +1,15 @@
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pub mod cursor_position;
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use cursor_position::LineIndicatorFormat;
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use editor::{scroll::Autoscroll, Editor};
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use editor::{scroll::Autoscroll, Anchor, Editor, MultiBuffer, ToPoint};
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use gpui::{
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div, prelude::*, AnyWindowHandle, AppContext, DismissEvent, EventEmitter, FocusHandle,
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FocusableView, Render, SharedString, Styled, Subscription, View, ViewContext, VisualContext,
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FocusableView, Model, Render, SharedString, Styled, Subscription, View, ViewContext,
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VisualContext,
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};
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use language::Buffer;
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use settings::Settings;
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use text::{Bias, Point};
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use text::Point;
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use theme::ActiveTheme;
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use ui::prelude::*;
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use util::paths::FILE_ROW_COLUMN_DELIMITER;
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@ -21,6 +23,7 @@ pub fn init(cx: &mut AppContext) {
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pub struct GoToLine {
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line_editor: View<Editor>,
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active_editor: View<Editor>,
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active_buffer: Model<Buffer>,
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current_text: SharedString,
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prev_scroll_position: Option<gpui::Point<f32>>,
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_subscriptions: Vec<Subscription>,
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@ -42,22 +45,43 @@ impl GoToLine {
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let handle = cx.view().downgrade();
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editor
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.register_action(move |_: &editor::actions::ToggleGoToLine, cx| {
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let Some(editor) = handle.upgrade() else {
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let Some(editor_handle) = handle.upgrade() else {
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return;
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};
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let Some(workspace) = editor.read(cx).workspace() else {
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let Some(workspace) = editor_handle.read(cx).workspace() else {
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return;
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};
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let editor = editor_handle.read(cx);
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let Some((_, buffer, _)) = editor.active_excerpt(cx) else {
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return;
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};
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workspace.update(cx, |workspace, cx| {
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workspace.toggle_modal(cx, move |cx| GoToLine::new(editor, cx));
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workspace.toggle_modal(cx, move |cx| GoToLine::new(editor_handle, buffer, cx));
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})
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})
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.detach();
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}
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pub fn new(active_editor: View<Editor>, cx: &mut ViewContext<Self>) -> Self {
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let cursor =
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active_editor.update(cx, |editor, cx| editor.selections.last::<Point>(cx).head());
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pub fn new(
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active_editor: View<Editor>,
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active_buffer: Model<Buffer>,
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cx: &mut ViewContext<Self>,
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) -> Self {
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let (cursor, last_line, scroll_position) = active_editor.update(cx, |editor, cx| {
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let cursor = editor.selections.last::<Point>(cx).head();
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let snapshot = active_buffer.read(cx).snapshot();
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let last_line = editor
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.buffer()
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.read(cx)
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.excerpts_for_buffer(&active_buffer, cx)
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.into_iter()
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.map(move |(_, range)| text::ToPoint::to_point(&range.context.end, &snapshot).row)
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.max()
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.unwrap_or(0);
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(cursor, last_line, editor.scroll_position(cx))
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});
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let line = cursor.row + 1;
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let column = cursor.column + 1;
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@ -69,15 +93,17 @@ impl GoToLine {
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});
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let line_editor_change = cx.subscribe(&line_editor, Self::on_line_editor_event);
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let editor = active_editor.read(cx);
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let last_line = editor.buffer().read(cx).snapshot(cx).max_point().row;
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let scroll_position = active_editor.update(cx, |editor, cx| editor.scroll_position(cx));
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let current_text = format!("{} of {} (column {})", line, last_line + 1, column);
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let current_text = format!(
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"Current Line: {} of {} (column {})",
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line,
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last_line + 1,
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column
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);
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Self {
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line_editor,
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active_editor,
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active_buffer,
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current_text: current_text.into(),
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prev_scroll_position: Some(scroll_position),
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_subscriptions: vec![line_editor_change, cx.on_release(Self::release)],
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@ -113,35 +139,40 @@ impl GoToLine {
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}
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fn highlight_current_line(&mut self, cx: &mut ViewContext<Self>) {
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if let Some(point) = self.point_from_query(cx) {
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self.active_editor.update(cx, |active_editor, cx| {
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let snapshot = active_editor.snapshot(cx).display_snapshot;
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let start = snapshot.buffer_snapshot.clip_point(point, Bias::Left);
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let end = start + Point::new(1, 0);
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let start = snapshot.buffer_snapshot.anchor_before(start);
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let end = snapshot.buffer_snapshot.anchor_after(end);
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active_editor.clear_row_highlights::<GoToLineRowHighlights>();
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active_editor.highlight_rows::<GoToLineRowHighlights>(
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start..end,
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cx.theme().colors().editor_highlighted_line_background,
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true,
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cx,
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);
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active_editor.request_autoscroll(Autoscroll::center(), cx);
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});
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cx.notify();
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}
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self.active_editor.update(cx, |editor, cx| {
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editor.clear_row_highlights::<GoToLineRowHighlights>();
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let multibuffer = editor.buffer().read(cx);
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let snapshot = multibuffer.snapshot(cx);
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let Some(start) = self.anchor_from_query(&multibuffer, cx) else {
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return;
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};
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let start_point = start.to_point(&snapshot);
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let end_point = start_point + Point::new(1, 0);
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let end = snapshot.anchor_after(end_point);
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editor.highlight_rows::<GoToLineRowHighlights>(
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start..end,
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cx.theme().colors().editor_highlighted_line_background,
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true,
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cx,
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);
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editor.request_autoscroll(Autoscroll::center(), cx);
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});
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cx.notify();
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}
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fn point_from_query(&self, cx: &ViewContext<Self>) -> Option<Point> {
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let (row, column) = self.line_column_from_query(cx);
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Some(Point::new(
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row?.saturating_sub(1),
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column.unwrap_or(0).saturating_sub(1),
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))
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fn anchor_from_query(
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&self,
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multibuffer: &MultiBuffer,
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cx: &ViewContext<Editor>,
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) -> Option<Anchor> {
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let (Some(row), column) = self.line_column_from_query(cx) else {
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return None;
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};
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let point = Point::new(row.saturating_sub(1), column.unwrap_or(0).saturating_sub(1));
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multibuffer.buffer_point_to_anchor(&self.active_buffer, point, cx)
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}
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fn line_column_from_query(&self, cx: &ViewContext<Self>) -> (Option<u32>, Option<u32>) {
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fn line_column_from_query(&self, cx: &AppContext) -> (Option<u32>, Option<u32>) {
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let input = self.line_editor.read(cx).text(cx);
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let mut components = input
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.splitn(2, FILE_ROW_COLUMN_DELIMITER)
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@ -157,18 +188,18 @@ impl GoToLine {
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}
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fn confirm(&mut self, _: &menu::Confirm, cx: &mut ViewContext<Self>) {
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if let Some(point) = self.point_from_query(cx) {
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self.active_editor.update(cx, |editor, cx| {
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let snapshot = editor.snapshot(cx).display_snapshot;
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let point = snapshot.buffer_snapshot.clip_point(point, Bias::Left);
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editor.change_selections(Some(Autoscroll::center()), cx, |s| {
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s.select_ranges([point..point])
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});
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editor.focus(cx);
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cx.notify();
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self.active_editor.update(cx, |editor, cx| {
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let multibuffer = editor.buffer().read(cx);
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let Some(start) = self.anchor_from_query(&multibuffer, cx) else {
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return;
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};
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editor.change_selections(Some(Autoscroll::center()), cx, |s| {
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s.select_anchor_ranges([start..start])
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});
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self.prev_scroll_position.take();
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}
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editor.focus(cx);
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cx.notify()
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});
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self.prev_scroll_position.take();
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cx.emit(DismissEvent);
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}
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@ -205,7 +236,6 @@ impl Render for GoToLine {
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.px_2()
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.py_1()
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.gap_1()
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.child(Label::new("Current Line:").color(Color::Muted))
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.child(Label::new(help_text).color(Color::Muted)),
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)
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}
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