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Implement buffer::move_to_enclosing_bracket

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This commit is contained in:
Nathan Sobo 2021-05-28 12:07:30 -06:00
parent 276991fb5f
commit e9bd872b06
2 changed files with 35 additions and 15 deletions
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14
zed/src/editor/buffer/selection.rs
View file

@ -1,6 +1,6 @@
use crate::{
editor::{
buffer::{Anchor, Buffer, Point, ToPoint},
buffer::{Anchor, Buffer, Point, ToOffset as _, ToPoint as _},
display_map::DisplayMap,
Bias, DisplayPoint,
},
@ -61,7 +61,7 @@ impl Selection {
}
}
pub fn range(&self, buffer: &Buffer) -> Range<Point> {
pub fn point_range(&self, buffer: &Buffer) -> Range<Point> {
let start = self.start.to_point(buffer);
let end = self.end.to_point(buffer);
if self.reversed {
@ -71,6 +71,16 @@ impl Selection {
}
}
pub fn offset_range(&self, buffer: &Buffer) -> Range<usize> {
let start = self.start.to_offset(buffer);
let end = self.end.to_offset(buffer);
if self.reversed {
end..start
} else {
start..end
}
}
pub fn display_range(&self, map: &DisplayMap, app: &AppContext) -> Range<DisplayPoint> {
let start = self.start.to_display_point(map, app);
let end = self.end.to_display_point(map, app);

36
zed/src/editor/buffer_view.rs
View file

@ -178,7 +178,7 @@ pub fn init(app: &mut MutableAppContext) {
),
Binding::new(
"ctrl-m",
"buffer:jump_to_enclosing_bracket",
"buffer:move_to_enclosing_bracket",
Some("BufferView"),
),
Binding::new("pageup", "buffer:page_up", Some("BufferView")),
@ -724,7 +724,7 @@ impl BufferView {
{
let buffer = self.buffer.read(ctx);
for selection in &mut selections {
let range = selection.range(buffer);
let range = selection.point_range(buffer);
if range.start == range.end {
let head = selection
.head()
@ -751,7 +751,7 @@ impl BufferView {
{
let buffer = self.buffer.read(ctx);
for selection in &mut selections {
let range = selection.range(buffer);
let range = selection.point_range(buffer);
if range.start == range.end {
let head = selection
.head()
@ -930,7 +930,7 @@ impl BufferView {
let mut contiguous_selections = Vec::new();
while let Some(selection) = selections.next() {
// Accumulate contiguous regions of rows that we want to move.
contiguous_selections.push(selection.range(buffer));
contiguous_selections.push(selection.point_range(buffer));
let (mut buffer_rows, mut display_rows) =
selection.buffer_rows_for_display_rows(false, &self.display_map, app);
while let Some(next_selection) = selections.peek() {
@ -939,7 +939,7 @@ impl BufferView {
if next_buffer_rows.start <= buffer_rows.end {
buffer_rows.end = next_buffer_rows.end;
display_rows.end = next_display_rows.end;
contiguous_selections.push(next_selection.range(buffer));
contiguous_selections.push(next_selection.point_range(buffer));
selections.next().unwrap();
} else {
break;
@ -1014,7 +1014,7 @@ impl BufferView {
let mut contiguous_selections = Vec::new();
while let Some(selection) = selections.next() {
// Accumulate contiguous regions of rows that we want to move.
contiguous_selections.push(selection.range(buffer));
contiguous_selections.push(selection.point_range(buffer));
let (mut buffer_rows, mut display_rows) =
selection.buffer_rows_for_display_rows(false, &self.display_map, app);
while let Some(next_selection) = selections.peek() {
@ -1023,7 +1023,7 @@ impl BufferView {
if next_buffer_rows.start <= buffer_rows.end {
buffer_rows.end = next_buffer_rows.end;
display_rows.end = next_display_rows.end;
contiguous_selections.push(next_selection.range(buffer));
contiguous_selections.push(next_selection.point_range(buffer));
selections.next().unwrap();
} else {
break;
@ -1647,7 +1647,7 @@ impl BufferView {
let mut to_unfold = Vec::new();
let mut new_selections = Vec::new();
for selection in self.selections(app) {
let range = selection.range(buffer).sorted();
let range = selection.point_range(buffer).sorted();
if range.start.row != range.end.row {
new_selections.push(Selection {
id: post_inc(&mut self.next_selection_id),
@ -1826,13 +1826,23 @@ impl BufferView {
}
pub fn move_to_enclosing_bracket(&mut self, _: &(), ctx: &mut ViewContext<Self>) {
use super::RangeExt as _;
let buffer = self.buffer.read(ctx.as_ref());
let mut selections = self.selections(ctx.as_ref()).to_vec();
for selection in &mut selections {
let range = selection.range(buffer).sorted();
if let Some((open_range, close_range)) = buffer.enclosing_bracket_ranges(range) {}
let selection_range = selection.offset_range(buffer);
if let Some((open_range, close_range)) =
buffer.enclosing_bracket_ranges(selection_range.clone())
{
let destination = if close_range.contains(&selection_range.start)
&& close_range.contains(&selection_range.end)
{
open_range.end
} else {
close_range.start
};
selection.start = buffer.anchor_before(destination);
selection.end = selection.start.clone();
}
}
self.update_selections(selections, true, ctx);
@ -2080,7 +2090,7 @@ impl BufferView {
let ranges = self
.selections(ctx.as_ref())
.iter()
.map(|s| s.range(buffer).sorted())
.map(|s| s.point_range(buffer).sorted())
.collect();
self.fold_ranges(ranges, ctx);
}