1336 lines
48 KiB
Rust
1336 lines
48 KiB
Rust
mod block_map;
|
||
mod fold_map;
|
||
mod tab_map;
|
||
mod wrap_map;
|
||
|
||
use crate::{Anchor, MultiBuffer, MultiBufferSnapshot, ToOffset, ToPoint};
|
||
use block_map::{BlockMap, BlockPoint};
|
||
use collections::{HashMap, HashSet};
|
||
use fold_map::FoldMap;
|
||
use gpui::{
|
||
fonts::{FontId, HighlightStyle},
|
||
Entity, ModelContext, ModelHandle,
|
||
};
|
||
use language::{Point, Subscription as BufferSubscription};
|
||
use settings::Settings;
|
||
use std::{any::TypeId, fmt::Debug, ops::Range, sync::Arc};
|
||
use sum_tree::{Bias, TreeMap};
|
||
use tab_map::TabMap;
|
||
use wrap_map::WrapMap;
|
||
|
||
pub use block_map::{
|
||
BlockBufferRows as DisplayBufferRows, BlockChunks as DisplayChunks, BlockContext,
|
||
BlockDisposition, BlockId, BlockProperties, RenderBlock, TransformBlock,
|
||
};
|
||
|
||
pub trait ToDisplayPoint {
|
||
fn to_display_point(&self, map: &DisplaySnapshot) -> DisplayPoint;
|
||
}
|
||
|
||
type TextHighlights = TreeMap<Option<TypeId>, Arc<(HighlightStyle, Vec<Range<Anchor>>)>>;
|
||
|
||
pub struct DisplayMap {
|
||
buffer: ModelHandle<MultiBuffer>,
|
||
buffer_subscription: BufferSubscription,
|
||
fold_map: FoldMap,
|
||
tab_map: TabMap,
|
||
wrap_map: ModelHandle<WrapMap>,
|
||
block_map: BlockMap,
|
||
text_highlights: TextHighlights,
|
||
pub clip_at_line_ends: bool,
|
||
}
|
||
|
||
impl Entity for DisplayMap {
|
||
type Event = ();
|
||
}
|
||
|
||
impl DisplayMap {
|
||
pub fn new(
|
||
buffer: ModelHandle<MultiBuffer>,
|
||
font_id: FontId,
|
||
font_size: f32,
|
||
wrap_width: Option<f32>,
|
||
buffer_header_height: u8,
|
||
excerpt_header_height: u8,
|
||
cx: &mut ModelContext<Self>,
|
||
) -> Self {
|
||
let buffer_subscription = buffer.update(cx, |buffer, _| buffer.subscribe());
|
||
|
||
let tab_size = Self::tab_size(&buffer, cx);
|
||
let (fold_map, snapshot) = FoldMap::new(buffer.read(cx).snapshot(cx));
|
||
let (tab_map, snapshot) = TabMap::new(snapshot, tab_size);
|
||
let (wrap_map, snapshot) = WrapMap::new(snapshot, font_id, font_size, wrap_width, cx);
|
||
let block_map = BlockMap::new(snapshot, buffer_header_height, excerpt_header_height);
|
||
cx.observe(&wrap_map, |_, _, cx| cx.notify()).detach();
|
||
DisplayMap {
|
||
buffer,
|
||
buffer_subscription,
|
||
fold_map,
|
||
tab_map,
|
||
wrap_map,
|
||
block_map,
|
||
text_highlights: Default::default(),
|
||
clip_at_line_ends: false,
|
||
}
|
||
}
|
||
|
||
pub fn snapshot(&self, cx: &mut ModelContext<Self>) -> DisplaySnapshot {
|
||
let buffer_snapshot = self.buffer.read(cx).snapshot(cx);
|
||
let edits = self.buffer_subscription.consume().into_inner();
|
||
let (folds_snapshot, edits) = self.fold_map.read(buffer_snapshot, edits);
|
||
|
||
let tab_size = Self::tab_size(&self.buffer, cx);
|
||
let (tabs_snapshot, edits) = self.tab_map.sync(folds_snapshot.clone(), edits, tab_size);
|
||
let (wraps_snapshot, edits) = self
|
||
.wrap_map
|
||
.update(cx, |map, cx| map.sync(tabs_snapshot.clone(), edits, cx));
|
||
let blocks_snapshot = self.block_map.read(wraps_snapshot.clone(), edits);
|
||
|
||
DisplaySnapshot {
|
||
buffer_snapshot: self.buffer.read(cx).snapshot(cx),
|
||
folds_snapshot,
|
||
tabs_snapshot,
|
||
wraps_snapshot,
|
||
blocks_snapshot,
|
||
text_highlights: self.text_highlights.clone(),
|
||
clip_at_line_ends: self.clip_at_line_ends,
|
||
}
|
||
}
|
||
|
||
pub fn fold<T: ToOffset>(
|
||
&mut self,
|
||
ranges: impl IntoIterator<Item = Range<T>>,
|
||
cx: &mut ModelContext<Self>,
|
||
) {
|
||
let snapshot = self.buffer.read(cx).snapshot(cx);
|
||
let edits = self.buffer_subscription.consume().into_inner();
|
||
let tab_size = Self::tab_size(&self.buffer, cx);
|
||
let (mut fold_map, snapshot, edits) = self.fold_map.write(snapshot, edits);
|
||
let (snapshot, edits) = self.tab_map.sync(snapshot, edits, tab_size);
|
||
let (snapshot, edits) = self
|
||
.wrap_map
|
||
.update(cx, |map, cx| map.sync(snapshot, edits, cx));
|
||
self.block_map.read(snapshot, edits);
|
||
let (snapshot, edits) = fold_map.fold(ranges);
|
||
let (snapshot, edits) = self.tab_map.sync(snapshot, edits, tab_size);
|
||
let (snapshot, edits) = self
|
||
.wrap_map
|
||
.update(cx, |map, cx| map.sync(snapshot, edits, cx));
|
||
self.block_map.read(snapshot, edits);
|
||
}
|
||
|
||
pub fn unfold<T: ToOffset>(
|
||
&mut self,
|
||
ranges: impl IntoIterator<Item = Range<T>>,
|
||
inclusive: bool,
|
||
cx: &mut ModelContext<Self>,
|
||
) {
|
||
let snapshot = self.buffer.read(cx).snapshot(cx);
|
||
let edits = self.buffer_subscription.consume().into_inner();
|
||
let tab_size = Self::tab_size(&self.buffer, cx);
|
||
let (mut fold_map, snapshot, edits) = self.fold_map.write(snapshot, edits);
|
||
let (snapshot, edits) = self.tab_map.sync(snapshot, edits, tab_size);
|
||
let (snapshot, edits) = self
|
||
.wrap_map
|
||
.update(cx, |map, cx| map.sync(snapshot, edits, cx));
|
||
self.block_map.read(snapshot, edits);
|
||
let (snapshot, edits) = fold_map.unfold(ranges, inclusive);
|
||
let (snapshot, edits) = self.tab_map.sync(snapshot, edits, tab_size);
|
||
let (snapshot, edits) = self
|
||
.wrap_map
|
||
.update(cx, |map, cx| map.sync(snapshot, edits, cx));
|
||
self.block_map.read(snapshot, edits);
|
||
}
|
||
|
||
pub fn insert_blocks(
|
||
&mut self,
|
||
blocks: impl IntoIterator<Item = BlockProperties<Anchor>>,
|
||
cx: &mut ModelContext<Self>,
|
||
) -> Vec<BlockId> {
|
||
let snapshot = self.buffer.read(cx).snapshot(cx);
|
||
let edits = self.buffer_subscription.consume().into_inner();
|
||
let tab_size = Self::tab_size(&self.buffer, cx);
|
||
let (snapshot, edits) = self.fold_map.read(snapshot, edits);
|
||
let (snapshot, edits) = self.tab_map.sync(snapshot, edits, tab_size);
|
||
let (snapshot, edits) = self
|
||
.wrap_map
|
||
.update(cx, |map, cx| map.sync(snapshot, edits, cx));
|
||
let mut block_map = self.block_map.write(snapshot, edits);
|
||
block_map.insert(blocks)
|
||
}
|
||
|
||
pub fn replace_blocks(&mut self, styles: HashMap<BlockId, RenderBlock>) {
|
||
self.block_map.replace(styles);
|
||
}
|
||
|
||
pub fn remove_blocks(&mut self, ids: HashSet<BlockId>, cx: &mut ModelContext<Self>) {
|
||
let snapshot = self.buffer.read(cx).snapshot(cx);
|
||
let edits = self.buffer_subscription.consume().into_inner();
|
||
let tab_size = Self::tab_size(&self.buffer, cx);
|
||
let (snapshot, edits) = self.fold_map.read(snapshot, edits);
|
||
let (snapshot, edits) = self.tab_map.sync(snapshot, edits, tab_size);
|
||
let (snapshot, edits) = self
|
||
.wrap_map
|
||
.update(cx, |map, cx| map.sync(snapshot, edits, cx));
|
||
let mut block_map = self.block_map.write(snapshot, edits);
|
||
block_map.remove(ids);
|
||
}
|
||
|
||
pub fn highlight_text(
|
||
&mut self,
|
||
type_id: TypeId,
|
||
ranges: Vec<Range<Anchor>>,
|
||
style: HighlightStyle,
|
||
) {
|
||
self.text_highlights
|
||
.insert(Some(type_id), Arc::new((style, ranges)));
|
||
}
|
||
|
||
pub fn clear_text_highlights(
|
||
&mut self,
|
||
type_id: TypeId,
|
||
) -> Option<Arc<(HighlightStyle, Vec<Range<Anchor>>)>> {
|
||
self.text_highlights.remove(&Some(type_id))
|
||
}
|
||
|
||
pub fn set_font(&self, font_id: FontId, font_size: f32, cx: &mut ModelContext<Self>) {
|
||
self.wrap_map
|
||
.update(cx, |map, cx| map.set_font(font_id, font_size, cx));
|
||
}
|
||
|
||
pub fn set_wrap_width(&self, width: Option<f32>, cx: &mut ModelContext<Self>) -> bool {
|
||
self.wrap_map
|
||
.update(cx, |map, cx| map.set_wrap_width(width, cx))
|
||
}
|
||
|
||
fn tab_size(buffer: &ModelHandle<MultiBuffer>, cx: &mut ModelContext<Self>) -> u32 {
|
||
let language_name = buffer
|
||
.read(cx)
|
||
.as_singleton()
|
||
.and_then(|buffer| buffer.read(cx).language())
|
||
.map(|language| language.name());
|
||
|
||
cx.global::<Settings>().tab_size(language_name.as_deref())
|
||
}
|
||
|
||
#[cfg(test)]
|
||
pub fn is_rewrapping(&self, cx: &gpui::AppContext) -> bool {
|
||
self.wrap_map.read(cx).is_rewrapping()
|
||
}
|
||
}
|
||
|
||
pub struct DisplaySnapshot {
|
||
pub buffer_snapshot: MultiBufferSnapshot,
|
||
folds_snapshot: fold_map::FoldSnapshot,
|
||
tabs_snapshot: tab_map::TabSnapshot,
|
||
wraps_snapshot: wrap_map::WrapSnapshot,
|
||
blocks_snapshot: block_map::BlockSnapshot,
|
||
text_highlights: TextHighlights,
|
||
clip_at_line_ends: bool,
|
||
}
|
||
|
||
impl DisplaySnapshot {
|
||
#[cfg(test)]
|
||
pub fn fold_count(&self) -> usize {
|
||
self.folds_snapshot.fold_count()
|
||
}
|
||
|
||
pub fn is_empty(&self) -> bool {
|
||
self.buffer_snapshot.len() == 0
|
||
}
|
||
|
||
pub fn buffer_rows<'a>(&'a self, start_row: u32) -> DisplayBufferRows<'a> {
|
||
self.blocks_snapshot.buffer_rows(start_row)
|
||
}
|
||
|
||
pub fn max_buffer_row(&self) -> u32 {
|
||
self.buffer_snapshot.max_buffer_row()
|
||
}
|
||
|
||
pub fn prev_line_boundary(&self, mut point: Point) -> (Point, DisplayPoint) {
|
||
loop {
|
||
let mut fold_point = self.folds_snapshot.to_fold_point(point, Bias::Left);
|
||
*fold_point.column_mut() = 0;
|
||
point = fold_point.to_buffer_point(&self.folds_snapshot);
|
||
|
||
let mut display_point = self.point_to_display_point(point, Bias::Left);
|
||
*display_point.column_mut() = 0;
|
||
let next_point = self.display_point_to_point(display_point, Bias::Left);
|
||
if next_point == point {
|
||
return (point, display_point);
|
||
}
|
||
point = next_point;
|
||
}
|
||
}
|
||
|
||
pub fn next_line_boundary(&self, mut point: Point) -> (Point, DisplayPoint) {
|
||
loop {
|
||
let mut fold_point = self.folds_snapshot.to_fold_point(point, Bias::Right);
|
||
*fold_point.column_mut() = self.folds_snapshot.line_len(fold_point.row());
|
||
point = fold_point.to_buffer_point(&self.folds_snapshot);
|
||
|
||
let mut display_point = self.point_to_display_point(point, Bias::Right);
|
||
*display_point.column_mut() = self.line_len(display_point.row());
|
||
let next_point = self.display_point_to_point(display_point, Bias::Right);
|
||
if next_point == point {
|
||
return (point, display_point);
|
||
}
|
||
point = next_point;
|
||
}
|
||
}
|
||
|
||
fn point_to_display_point(&self, point: Point, bias: Bias) -> DisplayPoint {
|
||
let fold_point = self.folds_snapshot.to_fold_point(point, bias);
|
||
let tab_point = self.tabs_snapshot.to_tab_point(fold_point);
|
||
let wrap_point = self.wraps_snapshot.from_tab_point(tab_point);
|
||
let block_point = self.blocks_snapshot.to_block_point(wrap_point);
|
||
DisplayPoint(block_point)
|
||
}
|
||
|
||
fn display_point_to_point(&self, point: DisplayPoint, bias: Bias) -> Point {
|
||
let block_point = point.0;
|
||
let wrap_point = self.blocks_snapshot.to_wrap_point(block_point);
|
||
let tab_point = self.wraps_snapshot.to_tab_point(wrap_point);
|
||
let fold_point = self.tabs_snapshot.to_fold_point(tab_point, bias).0;
|
||
fold_point.to_buffer_point(&self.folds_snapshot)
|
||
}
|
||
|
||
pub fn max_point(&self) -> DisplayPoint {
|
||
DisplayPoint(self.blocks_snapshot.max_point())
|
||
}
|
||
|
||
pub fn text_chunks(&self, display_row: u32) -> impl Iterator<Item = &str> {
|
||
self.blocks_snapshot
|
||
.chunks(display_row..self.max_point().row() + 1, false, None)
|
||
.map(|h| h.text)
|
||
}
|
||
|
||
pub fn chunks<'a>(
|
||
&'a self,
|
||
display_rows: Range<u32>,
|
||
language_aware: bool,
|
||
) -> DisplayChunks<'a> {
|
||
self.blocks_snapshot
|
||
.chunks(display_rows, language_aware, Some(&self.text_highlights))
|
||
}
|
||
|
||
pub fn chars_at<'a>(&'a self, point: DisplayPoint) -> impl Iterator<Item = char> + 'a {
|
||
let mut column = 0;
|
||
let mut chars = self.text_chunks(point.row()).flat_map(str::chars);
|
||
while column < point.column() {
|
||
if let Some(c) = chars.next() {
|
||
column += c.len_utf8() as u32;
|
||
} else {
|
||
break;
|
||
}
|
||
}
|
||
chars
|
||
}
|
||
|
||
pub fn column_to_chars(&self, display_row: u32, target: u32) -> u32 {
|
||
let mut count = 0;
|
||
let mut column = 0;
|
||
for c in self.chars_at(DisplayPoint::new(display_row, 0)) {
|
||
if column >= target {
|
||
break;
|
||
}
|
||
count += 1;
|
||
column += c.len_utf8() as u32;
|
||
}
|
||
count
|
||
}
|
||
|
||
pub fn column_from_chars(&self, display_row: u32, char_count: u32) -> u32 {
|
||
let mut count = 0;
|
||
let mut column = 0;
|
||
for c in self.chars_at(DisplayPoint::new(display_row, 0)) {
|
||
if c == '\n' || count >= char_count {
|
||
break;
|
||
}
|
||
count += 1;
|
||
column += c.len_utf8() as u32;
|
||
}
|
||
column
|
||
}
|
||
|
||
pub fn clip_point(&self, point: DisplayPoint, bias: Bias) -> DisplayPoint {
|
||
let mut clipped = self.blocks_snapshot.clip_point(point.0, bias);
|
||
if self.clip_at_line_ends && clipped.column == self.line_len(clipped.row) {
|
||
clipped.column = clipped.column.saturating_sub(1);
|
||
clipped = self.blocks_snapshot.clip_point(clipped, Bias::Left);
|
||
}
|
||
DisplayPoint(clipped)
|
||
}
|
||
|
||
pub fn folds_in_range<'a, T>(
|
||
&'a self,
|
||
range: Range<T>,
|
||
) -> impl Iterator<Item = &'a Range<Anchor>>
|
||
where
|
||
T: ToOffset,
|
||
{
|
||
self.folds_snapshot.folds_in_range(range)
|
||
}
|
||
|
||
pub fn blocks_in_range<'a>(
|
||
&'a self,
|
||
rows: Range<u32>,
|
||
) -> impl Iterator<Item = (u32, &'a TransformBlock)> {
|
||
self.blocks_snapshot.blocks_in_range(rows)
|
||
}
|
||
|
||
pub fn intersects_fold<T: ToOffset>(&self, offset: T) -> bool {
|
||
self.folds_snapshot.intersects_fold(offset)
|
||
}
|
||
|
||
pub fn is_line_folded(&self, display_row: u32) -> bool {
|
||
let block_point = BlockPoint(Point::new(display_row, 0));
|
||
let wrap_point = self.blocks_snapshot.to_wrap_point(block_point);
|
||
let tab_point = self.wraps_snapshot.to_tab_point(wrap_point);
|
||
self.folds_snapshot.is_line_folded(tab_point.row())
|
||
}
|
||
|
||
pub fn is_block_line(&self, display_row: u32) -> bool {
|
||
self.blocks_snapshot.is_block_line(display_row)
|
||
}
|
||
|
||
pub fn soft_wrap_indent(&self, display_row: u32) -> Option<u32> {
|
||
let wrap_row = self
|
||
.blocks_snapshot
|
||
.to_wrap_point(BlockPoint::new(display_row, 0))
|
||
.row();
|
||
self.wraps_snapshot.soft_wrap_indent(wrap_row)
|
||
}
|
||
|
||
pub fn text(&self) -> String {
|
||
self.text_chunks(0).collect()
|
||
}
|
||
|
||
pub fn line(&self, display_row: u32) -> String {
|
||
let mut result = String::new();
|
||
for chunk in self.text_chunks(display_row) {
|
||
if let Some(ix) = chunk.find('\n') {
|
||
result.push_str(&chunk[0..ix]);
|
||
break;
|
||
} else {
|
||
result.push_str(chunk);
|
||
}
|
||
}
|
||
result
|
||
}
|
||
|
||
pub fn line_indent(&self, display_row: u32) -> (u32, bool) {
|
||
let mut indent = 0;
|
||
let mut is_blank = true;
|
||
for c in self.chars_at(DisplayPoint::new(display_row, 0)) {
|
||
if c == ' ' {
|
||
indent += 1;
|
||
} else {
|
||
is_blank = c == '\n';
|
||
break;
|
||
}
|
||
}
|
||
(indent, is_blank)
|
||
}
|
||
|
||
pub fn line_len(&self, row: u32) -> u32 {
|
||
self.blocks_snapshot.line_len(row)
|
||
}
|
||
|
||
pub fn longest_row(&self) -> u32 {
|
||
self.blocks_snapshot.longest_row()
|
||
}
|
||
}
|
||
|
||
#[derive(Copy, Clone, Default, Eq, Ord, PartialOrd, PartialEq)]
|
||
pub struct DisplayPoint(BlockPoint);
|
||
|
||
impl Debug for DisplayPoint {
|
||
fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
|
||
f.write_fmt(format_args!(
|
||
"DisplayPoint({}, {})",
|
||
self.row(),
|
||
self.column()
|
||
))
|
||
}
|
||
}
|
||
|
||
impl DisplayPoint {
|
||
pub fn new(row: u32, column: u32) -> Self {
|
||
Self(BlockPoint(Point::new(row, column)))
|
||
}
|
||
|
||
pub fn zero() -> Self {
|
||
Self::new(0, 0)
|
||
}
|
||
|
||
pub fn is_zero(&self) -> bool {
|
||
self.0.is_zero()
|
||
}
|
||
|
||
pub fn row(self) -> u32 {
|
||
self.0.row
|
||
}
|
||
|
||
pub fn column(self) -> u32 {
|
||
self.0.column
|
||
}
|
||
|
||
pub fn row_mut(&mut self) -> &mut u32 {
|
||
&mut self.0.row
|
||
}
|
||
|
||
pub fn column_mut(&mut self) -> &mut u32 {
|
||
&mut self.0.column
|
||
}
|
||
|
||
pub fn to_point(self, map: &DisplaySnapshot) -> Point {
|
||
map.display_point_to_point(self, Bias::Left)
|
||
}
|
||
|
||
pub fn to_offset(self, map: &DisplaySnapshot, bias: Bias) -> usize {
|
||
let unblocked_point = map.blocks_snapshot.to_wrap_point(self.0);
|
||
let unwrapped_point = map.wraps_snapshot.to_tab_point(unblocked_point);
|
||
let unexpanded_point = map.tabs_snapshot.to_fold_point(unwrapped_point, bias).0;
|
||
unexpanded_point.to_buffer_offset(&map.folds_snapshot)
|
||
}
|
||
}
|
||
|
||
impl ToDisplayPoint for usize {
|
||
fn to_display_point(&self, map: &DisplaySnapshot) -> DisplayPoint {
|
||
map.point_to_display_point(self.to_point(&map.buffer_snapshot), Bias::Left)
|
||
}
|
||
}
|
||
|
||
impl ToDisplayPoint for Point {
|
||
fn to_display_point(&self, map: &DisplaySnapshot) -> DisplayPoint {
|
||
map.point_to_display_point(*self, Bias::Left)
|
||
}
|
||
}
|
||
|
||
impl ToDisplayPoint for Anchor {
|
||
fn to_display_point(&self, map: &DisplaySnapshot) -> DisplayPoint {
|
||
self.to_point(&map.buffer_snapshot).to_display_point(map)
|
||
}
|
||
}
|
||
|
||
#[cfg(test)]
|
||
pub mod tests {
|
||
use super::*;
|
||
use crate::{movement, test::marked_display_snapshot};
|
||
use gpui::{color::Color, elements::*, test::observe, MutableAppContext};
|
||
use language::{Buffer, Language, LanguageConfig, RandomCharIter, SelectionGoal};
|
||
use rand::{prelude::*, Rng};
|
||
use smol::stream::StreamExt;
|
||
use std::{env, sync::Arc};
|
||
use theme::SyntaxTheme;
|
||
use util::test::{marked_text_ranges, sample_text};
|
||
use Bias::*;
|
||
|
||
#[gpui::test(iterations = 100)]
|
||
async fn test_random_display_map(cx: &mut gpui::TestAppContext, mut rng: StdRng) {
|
||
cx.foreground().set_block_on_ticks(0..=50);
|
||
cx.foreground().forbid_parking();
|
||
let operations = env::var("OPERATIONS")
|
||
.map(|i| i.parse().expect("invalid `OPERATIONS` variable"))
|
||
.unwrap_or(10);
|
||
|
||
let font_cache = cx.font_cache().clone();
|
||
let tab_size = rng.gen_range(1..=4);
|
||
let buffer_start_excerpt_header_height = rng.gen_range(1..=5);
|
||
let excerpt_header_height = rng.gen_range(1..=5);
|
||
let family_id = font_cache.load_family(&["Helvetica"]).unwrap();
|
||
let font_id = font_cache
|
||
.select_font(family_id, &Default::default())
|
||
.unwrap();
|
||
let font_size = 14.0;
|
||
let max_wrap_width = 300.0;
|
||
let mut wrap_width = if rng.gen_bool(0.1) {
|
||
None
|
||
} else {
|
||
Some(rng.gen_range(0.0..=max_wrap_width))
|
||
};
|
||
|
||
log::info!("tab size: {}", tab_size);
|
||
log::info!("wrap width: {:?}", wrap_width);
|
||
|
||
cx.update(|cx| cx.set_global(Settings::test(cx)));
|
||
|
||
let buffer = cx.update(|cx| {
|
||
if rng.gen() {
|
||
let len = rng.gen_range(0..10);
|
||
let text = RandomCharIter::new(&mut rng).take(len).collect::<String>();
|
||
MultiBuffer::build_simple(&text, cx)
|
||
} else {
|
||
MultiBuffer::build_random(&mut rng, cx)
|
||
}
|
||
});
|
||
|
||
let map = cx.add_model(|cx| {
|
||
DisplayMap::new(
|
||
buffer.clone(),
|
||
font_id,
|
||
font_size,
|
||
wrap_width,
|
||
buffer_start_excerpt_header_height,
|
||
excerpt_header_height,
|
||
cx,
|
||
)
|
||
});
|
||
let mut notifications = observe(&map, cx);
|
||
let mut fold_count = 0;
|
||
let mut blocks = Vec::new();
|
||
|
||
let snapshot = map.update(cx, |map, cx| map.snapshot(cx));
|
||
log::info!("buffer text: {:?}", snapshot.buffer_snapshot.text());
|
||
log::info!("fold text: {:?}", snapshot.folds_snapshot.text());
|
||
log::info!("tab text: {:?}", snapshot.tabs_snapshot.text());
|
||
log::info!("wrap text: {:?}", snapshot.wraps_snapshot.text());
|
||
log::info!("block text: {:?}", snapshot.blocks_snapshot.text());
|
||
log::info!("display text: {:?}", snapshot.text());
|
||
|
||
for _i in 0..operations {
|
||
match rng.gen_range(0..100) {
|
||
0..=19 => {
|
||
wrap_width = if rng.gen_bool(0.2) {
|
||
None
|
||
} else {
|
||
Some(rng.gen_range(0.0..=max_wrap_width))
|
||
};
|
||
log::info!("setting wrap width to {:?}", wrap_width);
|
||
map.update(cx, |map, cx| map.set_wrap_width(wrap_width, cx));
|
||
}
|
||
20..=44 => {
|
||
map.update(cx, |map, cx| {
|
||
if rng.gen() || blocks.is_empty() {
|
||
let buffer = map.snapshot(cx).buffer_snapshot;
|
||
let block_properties = (0..rng.gen_range(1..=1))
|
||
.map(|_| {
|
||
let position =
|
||
buffer.anchor_after(buffer.clip_offset(
|
||
rng.gen_range(0..=buffer.len()),
|
||
Bias::Left,
|
||
));
|
||
|
||
let disposition = if rng.gen() {
|
||
BlockDisposition::Above
|
||
} else {
|
||
BlockDisposition::Below
|
||
};
|
||
let height = rng.gen_range(1..5);
|
||
log::info!(
|
||
"inserting block {:?} {:?} with height {}",
|
||
disposition,
|
||
position.to_point(&buffer),
|
||
height
|
||
);
|
||
BlockProperties {
|
||
position,
|
||
height,
|
||
disposition,
|
||
render: Arc::new(|_| Empty::new().boxed()),
|
||
}
|
||
})
|
||
.collect::<Vec<_>>();
|
||
blocks.extend(map.insert_blocks(block_properties, cx));
|
||
} else {
|
||
blocks.shuffle(&mut rng);
|
||
let remove_count = rng.gen_range(1..=4.min(blocks.len()));
|
||
let block_ids_to_remove = (0..remove_count)
|
||
.map(|_| blocks.remove(rng.gen_range(0..blocks.len())))
|
||
.collect();
|
||
log::info!("removing block ids {:?}", block_ids_to_remove);
|
||
map.remove_blocks(block_ids_to_remove, cx);
|
||
}
|
||
});
|
||
}
|
||
45..=79 => {
|
||
let mut ranges = Vec::new();
|
||
for _ in 0..rng.gen_range(1..=3) {
|
||
buffer.read_with(cx, |buffer, cx| {
|
||
let buffer = buffer.read(cx);
|
||
let end = buffer.clip_offset(rng.gen_range(0..=buffer.len()), Right);
|
||
let start = buffer.clip_offset(rng.gen_range(0..=end), Left);
|
||
ranges.push(start..end);
|
||
});
|
||
}
|
||
|
||
if rng.gen() && fold_count > 0 {
|
||
log::info!("unfolding ranges: {:?}", ranges);
|
||
map.update(cx, |map, cx| {
|
||
map.unfold(ranges, true, cx);
|
||
});
|
||
} else {
|
||
log::info!("folding ranges: {:?}", ranges);
|
||
map.update(cx, |map, cx| {
|
||
map.fold(ranges, cx);
|
||
});
|
||
}
|
||
}
|
||
_ => {
|
||
buffer.update(cx, |buffer, cx| buffer.randomly_edit(&mut rng, 5, cx));
|
||
}
|
||
}
|
||
|
||
if map.read_with(cx, |map, cx| map.is_rewrapping(cx)) {
|
||
notifications.next().await.unwrap();
|
||
}
|
||
|
||
let snapshot = map.update(cx, |map, cx| map.snapshot(cx));
|
||
fold_count = snapshot.fold_count();
|
||
log::info!("buffer text: {:?}", snapshot.buffer_snapshot.text());
|
||
log::info!("fold text: {:?}", snapshot.folds_snapshot.text());
|
||
log::info!("tab text: {:?}", snapshot.tabs_snapshot.text());
|
||
log::info!("wrap text: {:?}", snapshot.wraps_snapshot.text());
|
||
log::info!("block text: {:?}", snapshot.blocks_snapshot.text());
|
||
log::info!("display text: {:?}", snapshot.text());
|
||
|
||
// Line boundaries
|
||
let buffer = &snapshot.buffer_snapshot;
|
||
for _ in 0..5 {
|
||
let row = rng.gen_range(0..=buffer.max_point().row);
|
||
let column = rng.gen_range(0..=buffer.line_len(row));
|
||
let point = buffer.clip_point(Point::new(row, column), Left);
|
||
|
||
let (prev_buffer_bound, prev_display_bound) = snapshot.prev_line_boundary(point);
|
||
let (next_buffer_bound, next_display_bound) = snapshot.next_line_boundary(point);
|
||
|
||
assert!(prev_buffer_bound <= point);
|
||
assert!(next_buffer_bound >= point);
|
||
assert_eq!(prev_buffer_bound.column, 0);
|
||
assert_eq!(prev_display_bound.column(), 0);
|
||
if next_buffer_bound < buffer.max_point() {
|
||
assert_eq!(buffer.chars_at(next_buffer_bound).next(), Some('\n'));
|
||
}
|
||
|
||
assert_eq!(
|
||
prev_display_bound,
|
||
prev_buffer_bound.to_display_point(&snapshot),
|
||
"row boundary before {:?}. reported buffer row boundary: {:?}",
|
||
point,
|
||
prev_buffer_bound
|
||
);
|
||
assert_eq!(
|
||
next_display_bound,
|
||
next_buffer_bound.to_display_point(&snapshot),
|
||
"display row boundary after {:?}. reported buffer row boundary: {:?}",
|
||
point,
|
||
next_buffer_bound
|
||
);
|
||
assert_eq!(
|
||
prev_buffer_bound,
|
||
prev_display_bound.to_point(&snapshot),
|
||
"row boundary before {:?}. reported display row boundary: {:?}",
|
||
point,
|
||
prev_display_bound
|
||
);
|
||
assert_eq!(
|
||
next_buffer_bound,
|
||
next_display_bound.to_point(&snapshot),
|
||
"row boundary after {:?}. reported display row boundary: {:?}",
|
||
point,
|
||
next_display_bound
|
||
);
|
||
}
|
||
|
||
// Movement
|
||
let min_point = snapshot.clip_point(DisplayPoint::new(0, 0), Left);
|
||
let max_point = snapshot.clip_point(snapshot.max_point(), Right);
|
||
for _ in 0..5 {
|
||
let row = rng.gen_range(0..=snapshot.max_point().row());
|
||
let column = rng.gen_range(0..=snapshot.line_len(row));
|
||
let point = snapshot.clip_point(DisplayPoint::new(row, column), Left);
|
||
|
||
log::info!("Moving from point {:?}", point);
|
||
|
||
let moved_right = movement::right(&snapshot, point);
|
||
log::info!("Right {:?}", moved_right);
|
||
if point < max_point {
|
||
assert!(moved_right > point);
|
||
if point.column() == snapshot.line_len(point.row())
|
||
|| snapshot.soft_wrap_indent(point.row()).is_some()
|
||
&& point.column() == snapshot.line_len(point.row()) - 1
|
||
{
|
||
assert!(moved_right.row() > point.row());
|
||
}
|
||
} else {
|
||
assert_eq!(moved_right, point);
|
||
}
|
||
|
||
let moved_left = movement::left(&snapshot, point);
|
||
log::info!("Left {:?}", moved_left);
|
||
if point > min_point {
|
||
assert!(moved_left < point);
|
||
if point.column() == 0 {
|
||
assert!(moved_left.row() < point.row());
|
||
}
|
||
} else {
|
||
assert_eq!(moved_left, point);
|
||
}
|
||
}
|
||
}
|
||
}
|
||
|
||
#[gpui::test(retries = 5)]
|
||
fn test_soft_wraps(cx: &mut MutableAppContext) {
|
||
cx.foreground().set_block_on_ticks(usize::MAX..=usize::MAX);
|
||
cx.foreground().forbid_parking();
|
||
|
||
let font_cache = cx.font_cache();
|
||
|
||
let family_id = font_cache.load_family(&["Helvetica"]).unwrap();
|
||
let font_id = font_cache
|
||
.select_font(family_id, &Default::default())
|
||
.unwrap();
|
||
let font_size = 12.0;
|
||
let wrap_width = Some(64.);
|
||
cx.set_global(Settings::test(cx));
|
||
|
||
let text = "one two three four five\nsix seven eight";
|
||
let buffer = MultiBuffer::build_simple(text, cx);
|
||
let map = cx.add_model(|cx| {
|
||
DisplayMap::new(buffer.clone(), font_id, font_size, wrap_width, 1, 1, cx)
|
||
});
|
||
|
||
let snapshot = map.update(cx, |map, cx| map.snapshot(cx));
|
||
assert_eq!(
|
||
snapshot.text_chunks(0).collect::<String>(),
|
||
"one two \nthree four \nfive\nsix seven \neight"
|
||
);
|
||
assert_eq!(
|
||
snapshot.clip_point(DisplayPoint::new(0, 8), Bias::Left),
|
||
DisplayPoint::new(0, 7)
|
||
);
|
||
assert_eq!(
|
||
snapshot.clip_point(DisplayPoint::new(0, 8), Bias::Right),
|
||
DisplayPoint::new(1, 0)
|
||
);
|
||
assert_eq!(
|
||
movement::right(&snapshot, DisplayPoint::new(0, 7)),
|
||
DisplayPoint::new(1, 0)
|
||
);
|
||
assert_eq!(
|
||
movement::left(&snapshot, DisplayPoint::new(1, 0)),
|
||
DisplayPoint::new(0, 7)
|
||
);
|
||
assert_eq!(
|
||
movement::up(
|
||
&snapshot,
|
||
DisplayPoint::new(1, 10),
|
||
SelectionGoal::None,
|
||
false
|
||
),
|
||
(DisplayPoint::new(0, 7), SelectionGoal::Column(10))
|
||
);
|
||
assert_eq!(
|
||
movement::down(
|
||
&snapshot,
|
||
DisplayPoint::new(0, 7),
|
||
SelectionGoal::Column(10),
|
||
false
|
||
),
|
||
(DisplayPoint::new(1, 10), SelectionGoal::Column(10))
|
||
);
|
||
assert_eq!(
|
||
movement::down(
|
||
&snapshot,
|
||
DisplayPoint::new(1, 10),
|
||
SelectionGoal::Column(10),
|
||
false
|
||
),
|
||
(DisplayPoint::new(2, 4), SelectionGoal::Column(10))
|
||
);
|
||
|
||
let ix = snapshot.buffer_snapshot.text().find("seven").unwrap();
|
||
buffer.update(cx, |buffer, cx| {
|
||
buffer.edit(vec![ix..ix], "and ", cx);
|
||
});
|
||
|
||
let snapshot = map.update(cx, |map, cx| map.snapshot(cx));
|
||
assert_eq!(
|
||
snapshot.text_chunks(1).collect::<String>(),
|
||
"three four \nfive\nsix and \nseven eight"
|
||
);
|
||
|
||
// Re-wrap on font size changes
|
||
map.update(cx, |map, cx| map.set_font(font_id, font_size + 3., cx));
|
||
|
||
let snapshot = map.update(cx, |map, cx| map.snapshot(cx));
|
||
assert_eq!(
|
||
snapshot.text_chunks(1).collect::<String>(),
|
||
"three \nfour five\nsix and \nseven \neight"
|
||
)
|
||
}
|
||
|
||
#[gpui::test]
|
||
fn test_text_chunks(cx: &mut gpui::MutableAppContext) {
|
||
cx.set_global(Settings::test(cx));
|
||
let text = sample_text(6, 6, 'a');
|
||
let buffer = MultiBuffer::build_simple(&text, cx);
|
||
let family_id = cx.font_cache().load_family(&["Helvetica"]).unwrap();
|
||
let font_id = cx
|
||
.font_cache()
|
||
.select_font(family_id, &Default::default())
|
||
.unwrap();
|
||
let font_size = 14.0;
|
||
let map =
|
||
cx.add_model(|cx| DisplayMap::new(buffer.clone(), font_id, font_size, None, 1, 1, cx));
|
||
buffer.update(cx, |buffer, cx| {
|
||
buffer.edit(
|
||
vec![
|
||
Point::new(1, 0)..Point::new(1, 0),
|
||
Point::new(1, 1)..Point::new(1, 1),
|
||
Point::new(2, 1)..Point::new(2, 1),
|
||
],
|
||
"\t",
|
||
cx,
|
||
)
|
||
});
|
||
|
||
assert_eq!(
|
||
map.update(cx, |map, cx| map.snapshot(cx))
|
||
.text_chunks(1)
|
||
.collect::<String>()
|
||
.lines()
|
||
.next(),
|
||
Some(" b bbbbb")
|
||
);
|
||
assert_eq!(
|
||
map.update(cx, |map, cx| map.snapshot(cx))
|
||
.text_chunks(2)
|
||
.collect::<String>()
|
||
.lines()
|
||
.next(),
|
||
Some("c ccccc")
|
||
);
|
||
}
|
||
|
||
#[gpui::test]
|
||
async fn test_chunks(cx: &mut gpui::TestAppContext) {
|
||
use unindent::Unindent as _;
|
||
|
||
let text = r#"
|
||
fn outer() {}
|
||
|
||
mod module {
|
||
fn inner() {}
|
||
}"#
|
||
.unindent();
|
||
|
||
let theme = SyntaxTheme::new(vec![
|
||
("mod.body".to_string(), Color::red().into()),
|
||
("fn.name".to_string(), Color::blue().into()),
|
||
]);
|
||
let language = Arc::new(
|
||
Language::new(
|
||
LanguageConfig {
|
||
name: "Test".into(),
|
||
path_suffixes: vec![".test".to_string()],
|
||
..Default::default()
|
||
},
|
||
Some(tree_sitter_rust::language()),
|
||
)
|
||
.with_highlights_query(
|
||
r#"
|
||
(mod_item name: (identifier) body: _ @mod.body)
|
||
(function_item name: (identifier) @fn.name)
|
||
"#,
|
||
)
|
||
.unwrap(),
|
||
);
|
||
language.set_theme(&theme);
|
||
cx.update(|cx| {
|
||
cx.set_global(Settings {
|
||
tab_size: 2,
|
||
..Settings::test(cx)
|
||
})
|
||
});
|
||
|
||
let buffer = cx.add_model(|cx| Buffer::new(0, text, cx).with_language(language, cx));
|
||
buffer.condition(&cx, |buf, _| !buf.is_parsing()).await;
|
||
let buffer = cx.add_model(|cx| MultiBuffer::singleton(buffer, cx));
|
||
|
||
let font_cache = cx.font_cache();
|
||
let family_id = font_cache.load_family(&["Helvetica"]).unwrap();
|
||
let font_id = font_cache
|
||
.select_font(family_id, &Default::default())
|
||
.unwrap();
|
||
let font_size = 14.0;
|
||
|
||
let map = cx.add_model(|cx| DisplayMap::new(buffer, font_id, font_size, None, 1, 1, cx));
|
||
assert_eq!(
|
||
cx.update(|cx| syntax_chunks(0..5, &map, &theme, cx)),
|
||
vec![
|
||
("fn ".to_string(), None),
|
||
("outer".to_string(), Some(Color::blue())),
|
||
("() {}\n\nmod module ".to_string(), None),
|
||
("{\n fn ".to_string(), Some(Color::red())),
|
||
("inner".to_string(), Some(Color::blue())),
|
||
("() {}\n}".to_string(), Some(Color::red())),
|
||
]
|
||
);
|
||
assert_eq!(
|
||
cx.update(|cx| syntax_chunks(3..5, &map, &theme, cx)),
|
||
vec![
|
||
(" fn ".to_string(), Some(Color::red())),
|
||
("inner".to_string(), Some(Color::blue())),
|
||
("() {}\n}".to_string(), Some(Color::red())),
|
||
]
|
||
);
|
||
|
||
map.update(cx, |map, cx| {
|
||
map.fold(vec![Point::new(0, 6)..Point::new(3, 2)], cx)
|
||
});
|
||
assert_eq!(
|
||
cx.update(|cx| syntax_chunks(0..2, &map, &theme, cx)),
|
||
vec![
|
||
("fn ".to_string(), None),
|
||
("out".to_string(), Some(Color::blue())),
|
||
("…".to_string(), None),
|
||
(" fn ".to_string(), Some(Color::red())),
|
||
("inner".to_string(), Some(Color::blue())),
|
||
("() {}\n}".to_string(), Some(Color::red())),
|
||
]
|
||
);
|
||
}
|
||
|
||
#[gpui::test]
|
||
async fn test_chunks_with_soft_wrapping(cx: &mut gpui::TestAppContext) {
|
||
use unindent::Unindent as _;
|
||
|
||
cx.foreground().set_block_on_ticks(usize::MAX..=usize::MAX);
|
||
|
||
let text = r#"
|
||
fn outer() {}
|
||
|
||
mod module {
|
||
fn inner() {}
|
||
}"#
|
||
.unindent();
|
||
|
||
let theme = SyntaxTheme::new(vec![
|
||
("mod.body".to_string(), Color::red().into()),
|
||
("fn.name".to_string(), Color::blue().into()),
|
||
]);
|
||
let language = Arc::new(
|
||
Language::new(
|
||
LanguageConfig {
|
||
name: "Test".into(),
|
||
path_suffixes: vec![".test".to_string()],
|
||
..Default::default()
|
||
},
|
||
Some(tree_sitter_rust::language()),
|
||
)
|
||
.with_highlights_query(
|
||
r#"
|
||
(mod_item name: (identifier) body: _ @mod.body)
|
||
(function_item name: (identifier) @fn.name)
|
||
"#,
|
||
)
|
||
.unwrap(),
|
||
);
|
||
language.set_theme(&theme);
|
||
|
||
cx.update(|cx| cx.set_global(Settings::test(cx)));
|
||
|
||
let buffer = cx.add_model(|cx| Buffer::new(0, text, cx).with_language(language, cx));
|
||
buffer.condition(&cx, |buf, _| !buf.is_parsing()).await;
|
||
let buffer = cx.add_model(|cx| MultiBuffer::singleton(buffer, cx));
|
||
|
||
let font_cache = cx.font_cache();
|
||
|
||
let family_id = font_cache.load_family(&["Courier"]).unwrap();
|
||
let font_id = font_cache
|
||
.select_font(family_id, &Default::default())
|
||
.unwrap();
|
||
let font_size = 16.0;
|
||
|
||
let map =
|
||
cx.add_model(|cx| DisplayMap::new(buffer, font_id, font_size, Some(40.0), 1, 1, cx));
|
||
assert_eq!(
|
||
cx.update(|cx| syntax_chunks(0..5, &map, &theme, cx)),
|
||
[
|
||
("fn \n".to_string(), None),
|
||
("oute\nr".to_string(), Some(Color::blue())),
|
||
("() \n{}\n\n".to_string(), None),
|
||
]
|
||
);
|
||
assert_eq!(
|
||
cx.update(|cx| syntax_chunks(3..5, &map, &theme, cx)),
|
||
[("{}\n\n".to_string(), None)]
|
||
);
|
||
|
||
map.update(cx, |map, cx| {
|
||
map.fold(vec![Point::new(0, 6)..Point::new(3, 2)], cx)
|
||
});
|
||
assert_eq!(
|
||
cx.update(|cx| syntax_chunks(1..4, &map, &theme, cx)),
|
||
[
|
||
("out".to_string(), Some(Color::blue())),
|
||
("…\n".to_string(), None),
|
||
(" \nfn ".to_string(), Some(Color::red())),
|
||
("i\n".to_string(), Some(Color::blue()))
|
||
]
|
||
);
|
||
}
|
||
|
||
#[gpui::test]
|
||
async fn test_chunks_with_text_highlights(cx: &mut gpui::TestAppContext) {
|
||
cx.foreground().set_block_on_ticks(usize::MAX..=usize::MAX);
|
||
|
||
cx.update(|cx| cx.set_global(Settings::test(cx)));
|
||
let theme = SyntaxTheme::new(vec![
|
||
("operator".to_string(), Color::red().into()),
|
||
("string".to_string(), Color::green().into()),
|
||
]);
|
||
let language = Arc::new(
|
||
Language::new(
|
||
LanguageConfig {
|
||
name: "Test".into(),
|
||
path_suffixes: vec![".test".to_string()],
|
||
..Default::default()
|
||
},
|
||
Some(tree_sitter_rust::language()),
|
||
)
|
||
.with_highlights_query(
|
||
r#"
|
||
":" @operator
|
||
(string_literal) @string
|
||
"#,
|
||
)
|
||
.unwrap(),
|
||
);
|
||
language.set_theme(&theme);
|
||
|
||
let (text, highlighted_ranges) = marked_text_ranges(r#"const[] [a]: B = "c [d]""#);
|
||
|
||
let buffer = cx.add_model(|cx| Buffer::new(0, text, cx).with_language(language, cx));
|
||
buffer.condition(&cx, |buf, _| !buf.is_parsing()).await;
|
||
|
||
let buffer = cx.add_model(|cx| MultiBuffer::singleton(buffer, cx));
|
||
let buffer_snapshot = buffer.read_with(cx, |buffer, cx| buffer.snapshot(cx));
|
||
|
||
let font_cache = cx.font_cache();
|
||
let family_id = font_cache.load_family(&["Courier"]).unwrap();
|
||
let font_id = font_cache
|
||
.select_font(family_id, &Default::default())
|
||
.unwrap();
|
||
let font_size = 16.0;
|
||
let map = cx.add_model(|cx| DisplayMap::new(buffer, font_id, font_size, None, 1, 1, cx));
|
||
|
||
enum MyType {}
|
||
|
||
let style = HighlightStyle {
|
||
color: Some(Color::blue()),
|
||
..Default::default()
|
||
};
|
||
|
||
map.update(cx, |map, _cx| {
|
||
map.highlight_text(
|
||
TypeId::of::<MyType>(),
|
||
highlighted_ranges
|
||
.into_iter()
|
||
.map(|range| {
|
||
buffer_snapshot.anchor_before(range.start)
|
||
..buffer_snapshot.anchor_before(range.end)
|
||
})
|
||
.collect(),
|
||
style,
|
||
);
|
||
});
|
||
|
||
assert_eq!(
|
||
cx.update(|cx| chunks(0..10, &map, &theme, cx)),
|
||
[
|
||
("const ".to_string(), None, None),
|
||
("a".to_string(), None, Some(Color::blue())),
|
||
(":".to_string(), Some(Color::red()), None),
|
||
(" B = ".to_string(), None, None),
|
||
("\"c ".to_string(), Some(Color::green()), None),
|
||
("d".to_string(), Some(Color::green()), Some(Color::blue())),
|
||
("\"".to_string(), Some(Color::green()), None),
|
||
]
|
||
);
|
||
}
|
||
|
||
#[gpui::test]
|
||
fn test_clip_point(cx: &mut gpui::MutableAppContext) {
|
||
cx.set_global(Settings::test(cx));
|
||
fn assert(text: &str, shift_right: bool, bias: Bias, cx: &mut gpui::MutableAppContext) {
|
||
let (unmarked_snapshot, mut markers) = marked_display_snapshot(text, cx);
|
||
|
||
match bias {
|
||
Bias::Left => {
|
||
if shift_right {
|
||
*markers[1].column_mut() += 1;
|
||
}
|
||
|
||
assert_eq!(unmarked_snapshot.clip_point(markers[1], bias), markers[0])
|
||
}
|
||
Bias::Right => {
|
||
if shift_right {
|
||
*markers[0].column_mut() += 1;
|
||
}
|
||
|
||
assert_eq!(unmarked_snapshot.clip_point(markers[0], bias), markers[1])
|
||
}
|
||
};
|
||
}
|
||
|
||
use Bias::{Left, Right};
|
||
assert("||α", false, Left, cx);
|
||
assert("||α", true, Left, cx);
|
||
assert("||α", false, Right, cx);
|
||
assert("|α|", true, Right, cx);
|
||
assert("||✋", false, Left, cx);
|
||
assert("||✋", true, Left, cx);
|
||
assert("||✋", false, Right, cx);
|
||
assert("|✋|", true, Right, cx);
|
||
assert("||🍐", false, Left, cx);
|
||
assert("||🍐", true, Left, cx);
|
||
assert("||🍐", false, Right, cx);
|
||
assert("|🍐|", true, Right, cx);
|
||
assert("||\t", false, Left, cx);
|
||
assert("||\t", true, Left, cx);
|
||
assert("||\t", false, Right, cx);
|
||
assert("|\t|", true, Right, cx);
|
||
assert(" ||\t", false, Left, cx);
|
||
assert(" ||\t", true, Left, cx);
|
||
assert(" ||\t", false, Right, cx);
|
||
assert(" |\t|", true, Right, cx);
|
||
assert(" ||\t", false, Left, cx);
|
||
assert(" ||\t", false, Right, cx);
|
||
}
|
||
|
||
#[gpui::test]
|
||
fn test_clip_at_line_ends(cx: &mut gpui::MutableAppContext) {
|
||
cx.set_global(Settings::test(cx));
|
||
|
||
fn assert(text: &str, cx: &mut gpui::MutableAppContext) {
|
||
let (mut unmarked_snapshot, markers) = marked_display_snapshot(text, cx);
|
||
unmarked_snapshot.clip_at_line_ends = true;
|
||
assert_eq!(
|
||
unmarked_snapshot.clip_point(markers[1], Bias::Left),
|
||
markers[0]
|
||
);
|
||
}
|
||
|
||
assert("||", cx);
|
||
assert("|a|", cx);
|
||
assert("a|b|", cx);
|
||
assert("a|α|", cx);
|
||
}
|
||
|
||
#[gpui::test]
|
||
fn test_tabs_with_multibyte_chars(cx: &mut gpui::MutableAppContext) {
|
||
cx.set_global(Settings::test(cx));
|
||
let text = "✅\t\tα\nβ\t\n🏀β\t\tγ";
|
||
let buffer = MultiBuffer::build_simple(text, cx);
|
||
let font_cache = cx.font_cache();
|
||
let family_id = font_cache.load_family(&["Helvetica"]).unwrap();
|
||
let font_id = font_cache
|
||
.select_font(family_id, &Default::default())
|
||
.unwrap();
|
||
let font_size = 14.0;
|
||
|
||
let map =
|
||
cx.add_model(|cx| DisplayMap::new(buffer.clone(), font_id, font_size, None, 1, 1, cx));
|
||
let map = map.update(cx, |map, cx| map.snapshot(cx));
|
||
assert_eq!(map.text(), "✅ α\nβ \n🏀β γ");
|
||
assert_eq!(
|
||
map.text_chunks(0).collect::<String>(),
|
||
"✅ α\nβ \n🏀β γ"
|
||
);
|
||
assert_eq!(map.text_chunks(1).collect::<String>(), "β \n🏀β γ");
|
||
assert_eq!(map.text_chunks(2).collect::<String>(), "🏀β γ");
|
||
|
||
let point = Point::new(0, "✅\t\t".len() as u32);
|
||
let display_point = DisplayPoint::new(0, "✅ ".len() as u32);
|
||
assert_eq!(point.to_display_point(&map), display_point);
|
||
assert_eq!(display_point.to_point(&map), point);
|
||
|
||
let point = Point::new(1, "β\t".len() as u32);
|
||
let display_point = DisplayPoint::new(1, "β ".len() as u32);
|
||
assert_eq!(point.to_display_point(&map), display_point);
|
||
assert_eq!(display_point.to_point(&map), point,);
|
||
|
||
let point = Point::new(2, "🏀β\t\t".len() as u32);
|
||
let display_point = DisplayPoint::new(2, "🏀β ".len() as u32);
|
||
assert_eq!(point.to_display_point(&map), display_point);
|
||
assert_eq!(display_point.to_point(&map), point,);
|
||
|
||
// Display points inside of expanded tabs
|
||
assert_eq!(
|
||
DisplayPoint::new(0, "✅ ".len() as u32).to_point(&map),
|
||
Point::new(0, "✅\t".len() as u32),
|
||
);
|
||
assert_eq!(
|
||
DisplayPoint::new(0, "✅ ".len() as u32).to_point(&map),
|
||
Point::new(0, "✅".len() as u32),
|
||
);
|
||
|
||
// Clipping display points inside of multi-byte characters
|
||
assert_eq!(
|
||
map.clip_point(DisplayPoint::new(0, "✅".len() as u32 - 1), Left),
|
||
DisplayPoint::new(0, 0)
|
||
);
|
||
assert_eq!(
|
||
map.clip_point(DisplayPoint::new(0, "✅".len() as u32 - 1), Bias::Right),
|
||
DisplayPoint::new(0, "✅".len() as u32)
|
||
);
|
||
}
|
||
|
||
#[gpui::test]
|
||
fn test_max_point(cx: &mut gpui::MutableAppContext) {
|
||
cx.set_global(Settings::test(cx));
|
||
let buffer = MultiBuffer::build_simple("aaa\n\t\tbbb", cx);
|
||
let font_cache = cx.font_cache();
|
||
let family_id = font_cache.load_family(&["Helvetica"]).unwrap();
|
||
let font_id = font_cache
|
||
.select_font(family_id, &Default::default())
|
||
.unwrap();
|
||
let font_size = 14.0;
|
||
let map =
|
||
cx.add_model(|cx| DisplayMap::new(buffer.clone(), font_id, font_size, None, 1, 1, cx));
|
||
assert_eq!(
|
||
map.update(cx, |map, cx| map.snapshot(cx)).max_point(),
|
||
DisplayPoint::new(1, 11)
|
||
)
|
||
}
|
||
|
||
fn syntax_chunks<'a>(
|
||
rows: Range<u32>,
|
||
map: &ModelHandle<DisplayMap>,
|
||
theme: &'a SyntaxTheme,
|
||
cx: &mut MutableAppContext,
|
||
) -> Vec<(String, Option<Color>)> {
|
||
chunks(rows, map, theme, cx)
|
||
.into_iter()
|
||
.map(|(text, color, _)| (text, color))
|
||
.collect()
|
||
}
|
||
|
||
fn chunks<'a>(
|
||
rows: Range<u32>,
|
||
map: &ModelHandle<DisplayMap>,
|
||
theme: &'a SyntaxTheme,
|
||
cx: &mut MutableAppContext,
|
||
) -> Vec<(String, Option<Color>, Option<Color>)> {
|
||
let snapshot = map.update(cx, |map, cx| map.snapshot(cx));
|
||
let mut chunks: Vec<(String, Option<Color>, Option<Color>)> = Vec::new();
|
||
for chunk in snapshot.chunks(rows, true) {
|
||
let syntax_color = chunk
|
||
.syntax_highlight_id
|
||
.and_then(|id| id.style(theme)?.color);
|
||
let highlight_color = chunk.highlight_style.and_then(|style| style.color);
|
||
if let Some((last_chunk, last_syntax_color, last_highlight_color)) = chunks.last_mut() {
|
||
if syntax_color == *last_syntax_color && highlight_color == *last_highlight_color {
|
||
last_chunk.push_str(chunk.text);
|
||
continue;
|
||
}
|
||
}
|
||
chunks.push((chunk.text.to_string(), syntax_color, highlight_color));
|
||
}
|
||
chunks
|
||
}
|
||
}
|