Merge pull request #301 from zed-industries/move-lines-in-multibuffer

Support moving lines up and down in multi-buffers
This commit is contained in:
Nathan Sobo 2021-12-30 01:13:31 -08:00 committed by GitHub
commit f499a1dfc2
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GPG key ID: 4AEE18F83AFDEB23
3 changed files with 39 additions and 35 deletions

View file

@ -123,14 +123,11 @@ impl DisplayMap {
self.block_map.read(snapshot, edits);
}
pub fn insert_blocks<P>(
pub fn insert_blocks(
&mut self,
blocks: impl IntoIterator<Item = BlockProperties<P>>,
blocks: impl IntoIterator<Item = BlockProperties<Anchor>>,
cx: &mut ModelContext<Self>,
) -> Vec<BlockId>
where
P: ToOffset + Clone,
{
) -> Vec<BlockId> {
let snapshot = self.buffer.read(cx).snapshot(cx);
let edits = self.buffer_subscription.consume().into_inner();
let (snapshot, edits) = self.fold_map.read(snapshot, edits);

View file

@ -1,5 +1,5 @@
use super::wrap_map::{self, WrapEdit, WrapPoint, WrapSnapshot};
use crate::{Anchor, ToOffset, ToPoint as _};
use crate::{Anchor, ToPoint as _};
use collections::{HashMap, HashSet};
use gpui::{AppContext, ElementBox};
use language::Chunk;
@ -362,13 +362,10 @@ impl std::ops::DerefMut for BlockPoint {
}
impl<'a> BlockMapWriter<'a> {
pub fn insert<P>(
pub fn insert(
&mut self,
blocks: impl IntoIterator<Item = BlockProperties<P>>,
) -> Vec<BlockId>
where
P: ToOffset + Clone,
{
blocks: impl IntoIterator<Item = BlockProperties<Anchor>>,
) -> Vec<BlockId> {
let mut ids = Vec::new();
let mut edits = Vec::<Edit<u32>>::new();
let wrap_snapshot = &*self.0.wrap_snapshot.lock();
@ -378,7 +375,7 @@ impl<'a> BlockMapWriter<'a> {
let id = BlockId(self.0.next_block_id.fetch_add(1, SeqCst));
ids.push(id);
let position = buffer.anchor_after(block.position);
let position = block.position;
let point = position.to_point(&buffer);
let wrap_row = wrap_snapshot
.from_point(Point::new(point.row, 0), Bias::Left)
@ -903,8 +900,9 @@ mod tests {
let text = "aaa\nbbb\nccc\nddd";
let buffer = MultiBuffer::build_simple(text, cx);
let buffer_snapshot = buffer.read(cx).snapshot(cx);
let subscription = buffer.update(cx, |buffer, _| buffer.subscribe());
let (fold_map, folds_snapshot) = FoldMap::new(buffer.read(cx).snapshot(cx));
let (fold_map, folds_snapshot) = FoldMap::new(buffer_snapshot.clone());
let (tab_map, tabs_snapshot) = TabMap::new(folds_snapshot.clone(), 1);
let (wrap_map, wraps_snapshot) = WrapMap::new(tabs_snapshot, font_id, 14.0, None, cx);
let mut block_map = BlockMap::new(wraps_snapshot.clone());
@ -912,19 +910,19 @@ mod tests {
let mut writer = block_map.write(wraps_snapshot.clone(), vec![]);
writer.insert(vec![
BlockProperties {
position: Point::new(1, 0),
position: buffer_snapshot.anchor_after(Point::new(1, 0)),
height: 1,
disposition: BlockDisposition::Above,
render: Arc::new(|_| Empty::new().named("block 1")),
},
BlockProperties {
position: Point::new(1, 2),
position: buffer_snapshot.anchor_after(Point::new(1, 2)),
height: 2,
disposition: BlockDisposition::Above,
render: Arc::new(|_| Empty::new().named("block 2")),
},
BlockProperties {
position: Point::new(3, 3),
position: buffer_snapshot.anchor_after(Point::new(3, 3)),
height: 3,
disposition: BlockDisposition::Below,
render: Arc::new(|_| Empty::new().named("block 3")),
@ -1071,7 +1069,8 @@ mod tests {
let text = "one two three\nfour five six\nseven eight";
let buffer = MultiBuffer::build_simple(text, cx);
let (_, folds_snapshot) = FoldMap::new(buffer.read(cx).snapshot(cx));
let buffer_snapshot = buffer.read(cx).snapshot(cx);
let (_, folds_snapshot) = FoldMap::new(buffer_snapshot.clone());
let (_, tabs_snapshot) = TabMap::new(folds_snapshot.clone(), 1);
let (_, wraps_snapshot) = WrapMap::new(tabs_snapshot, font_id, 14.0, Some(60.), cx);
let mut block_map = BlockMap::new(wraps_snapshot.clone());
@ -1079,13 +1078,13 @@ mod tests {
let mut writer = block_map.write(wraps_snapshot.clone(), vec![]);
writer.insert(vec![
BlockProperties {
position: Point::new(1, 12),
position: buffer_snapshot.anchor_after(Point::new(1, 12)),
disposition: BlockDisposition::Above,
render: Arc::new(|_| Empty::new().named("block 1")),
height: 1,
},
BlockProperties {
position: Point::new(1, 1),
position: buffer_snapshot.anchor_after(Point::new(1, 1)),
disposition: BlockDisposition::Below,
render: Arc::new(|_| Empty::new().named("block 2")),
height: 1,

View file

@ -1737,8 +1737,13 @@ impl Editor {
.chain(['\n'])
.collect::<String>();
edits.push((insertion_point..insertion_point, text));
edits.push((range_to_move.clone(), String::new()));
edits.push((
buffer.anchor_after(range_to_move.start)
..buffer.anchor_before(range_to_move.end),
String::new(),
));
let insertion_anchor = buffer.anchor_after(insertion_point);
edits.push((insertion_anchor.clone()..insertion_anchor, text));
let row_delta = range_to_move.start.row - insertion_point.row + 1;
@ -1773,7 +1778,7 @@ impl Editor {
self.start_transaction(cx);
self.unfold_ranges(unfold_ranges, cx);
self.buffer.update(cx, |buffer, cx| {
for (range, text) in edits.into_iter().rev() {
for (range, text) in edits {
buffer.edit([range], text, cx);
}
});
@ -1828,8 +1833,13 @@ impl Editor {
let mut text = String::from("\n");
text.extend(buffer.text_for_range(range_to_move.clone()));
text.pop(); // Drop trailing newline
edits.push((range_to_move.clone(), String::new()));
edits.push((insertion_point..insertion_point, text));
edits.push((
buffer.anchor_after(range_to_move.start)
..buffer.anchor_before(range_to_move.end),
String::new(),
));
let insertion_anchor = buffer.anchor_after(insertion_point);
edits.push((insertion_anchor.clone()..insertion_anchor, text));
let row_delta = insertion_point.row - range_to_move.end.row + 1;
@ -1864,7 +1874,7 @@ impl Editor {
self.start_transaction(cx);
self.unfold_ranges(unfold_ranges, cx);
self.buffer.update(cx, |buffer, cx| {
for (range, text) in edits.into_iter().rev() {
for (range, text) in edits {
buffer.edit([range], text, cx);
}
});
@ -2962,7 +2972,7 @@ impl Editor {
let message_height = diagnostic.message.lines().count() as u8;
BlockProperties {
position: entry.range.start,
position: buffer.anchor_after(entry.range.start),
height: message_height,
render: diagnostic_block_renderer(diagnostic, true, build_settings),
disposition: BlockDisposition::Below,
@ -3421,14 +3431,11 @@ impl Editor {
}
}
pub fn insert_blocks<P>(
pub fn insert_blocks(
&mut self,
blocks: impl IntoIterator<Item = BlockProperties<P>>,
blocks: impl IntoIterator<Item = BlockProperties<Anchor>>,
cx: &mut ViewContext<Self>,
) -> Vec<BlockId>
where
P: ToOffset + Clone,
{
) -> Vec<BlockId> {
let blocks = self
.display_map
.update(cx, |display_map, cx| display_map.insert_blocks(blocks, cx));
@ -5130,12 +5137,13 @@ mod tests {
fn test_move_line_up_down_with_blocks(cx: &mut gpui::MutableAppContext) {
let settings = EditorSettings::test(&cx);
let buffer = MultiBuffer::build_simple(&sample_text(10, 5, 'a'), cx);
let snapshot = buffer.read(cx).snapshot(cx);
let (_, editor) =
cx.add_window(Default::default(), |cx| build_editor(buffer, settings, cx));
editor.update(cx, |editor, cx| {
editor.insert_blocks(
[BlockProperties {
position: Point::new(2, 0),
position: snapshot.anchor_after(Point::new(2, 0)),
disposition: BlockDisposition::Below,
height: 1,
render: Arc::new(|_| Empty::new().boxed()),