4452 lines
162 KiB
Rust
4452 lines
162 KiB
Rust
pub mod buffer;
|
||
pub mod display_map;
|
||
mod element;
|
||
pub mod movement;
|
||
|
||
use crate::{
|
||
settings::{HighlightId, Settings},
|
||
theme::{EditorStyle, Theme},
|
||
time::ReplicaId,
|
||
util::{post_inc, Bias},
|
||
workspace,
|
||
worktree::{File, Worktree},
|
||
};
|
||
use anyhow::Result;
|
||
pub use buffer::*;
|
||
pub use display_map::DisplayPoint;
|
||
use display_map::*;
|
||
pub use element::*;
|
||
use gpui::{
|
||
action,
|
||
color::Color,
|
||
font_cache::FamilyId,
|
||
fonts::Properties as FontProperties,
|
||
geometry::vector::Vector2F,
|
||
keymap::Binding,
|
||
text_layout::{self, RunStyle},
|
||
AppContext, ClipboardItem, Element, ElementBox, Entity, FontCache, ModelHandle,
|
||
MutableAppContext, RenderContext, Task, TextLayoutCache, View, ViewContext, WeakViewHandle,
|
||
};
|
||
use postage::watch;
|
||
use serde::{Deserialize, Serialize};
|
||
use smallvec::SmallVec;
|
||
use smol::Timer;
|
||
use std::{
|
||
cell::RefCell,
|
||
cmp::{self, Ordering},
|
||
collections::BTreeMap,
|
||
fmt::Write,
|
||
iter::FromIterator,
|
||
mem,
|
||
ops::{Range, RangeInclusive},
|
||
path::Path,
|
||
rc::Rc,
|
||
sync::Arc,
|
||
time::Duration,
|
||
};
|
||
|
||
const CURSOR_BLINK_INTERVAL: Duration = Duration::from_millis(500);
|
||
const MAX_LINE_LEN: usize = 1024;
|
||
|
||
action!(Cancel);
|
||
action!(Backspace);
|
||
action!(Delete);
|
||
action!(Insert, String);
|
||
action!(DeleteLine);
|
||
action!(DeleteToPreviousWordBoundary);
|
||
action!(DeleteToNextWordBoundary);
|
||
action!(DeleteToBeginningOfLine);
|
||
action!(DeleteToEndOfLine);
|
||
action!(CutToEndOfLine);
|
||
action!(DuplicateLine);
|
||
action!(MoveLineUp);
|
||
action!(MoveLineDown);
|
||
action!(Cut);
|
||
action!(Copy);
|
||
action!(Paste);
|
||
action!(Undo);
|
||
action!(Redo);
|
||
action!(MoveUp);
|
||
action!(MoveDown);
|
||
action!(MoveLeft);
|
||
action!(MoveRight);
|
||
action!(MoveToPreviousWordBoundary);
|
||
action!(MoveToNextWordBoundary);
|
||
action!(MoveToBeginningOfLine);
|
||
action!(MoveToEndOfLine);
|
||
action!(MoveToBeginning);
|
||
action!(MoveToEnd);
|
||
action!(SelectUp);
|
||
action!(SelectDown);
|
||
action!(SelectLeft);
|
||
action!(SelectRight);
|
||
action!(SelectToPreviousWordBoundary);
|
||
action!(SelectToNextWordBoundary);
|
||
action!(SelectToBeginningOfLine, bool);
|
||
action!(SelectToEndOfLine);
|
||
action!(SelectToBeginning);
|
||
action!(SelectToEnd);
|
||
action!(SelectAll);
|
||
action!(SelectLine);
|
||
action!(SplitSelectionIntoLines);
|
||
action!(AddSelectionAbove);
|
||
action!(AddSelectionBelow);
|
||
action!(SelectLargerSyntaxNode);
|
||
action!(SelectSmallerSyntaxNode);
|
||
action!(MoveToEnclosingBracket);
|
||
action!(PageUp);
|
||
action!(PageDown);
|
||
action!(Fold);
|
||
action!(Unfold);
|
||
action!(FoldSelectedRanges);
|
||
action!(Scroll, Vector2F);
|
||
action!(Select, SelectPhase);
|
||
|
||
pub fn init(cx: &mut MutableAppContext) {
|
||
cx.add_bindings(vec![
|
||
Binding::new("escape", Cancel, Some("Editor")),
|
||
Binding::new("backspace", Backspace, Some("Editor")),
|
||
Binding::new("ctrl-h", Backspace, Some("Editor")),
|
||
Binding::new("delete", Delete, Some("Editor")),
|
||
Binding::new("ctrl-d", Delete, Some("Editor")),
|
||
Binding::new("enter", Insert("\n".into()), Some("Editor && mode == full")),
|
||
Binding::new(
|
||
"alt-enter",
|
||
Insert("\n".into()),
|
||
Some("Editor && mode == auto_height"),
|
||
),
|
||
Binding::new("tab", Insert("\t".into()), Some("Editor")),
|
||
Binding::new("ctrl-shift-K", DeleteLine, Some("Editor")),
|
||
Binding::new(
|
||
"alt-backspace",
|
||
DeleteToPreviousWordBoundary,
|
||
Some("Editor"),
|
||
),
|
||
Binding::new("alt-h", DeleteToPreviousWordBoundary, Some("Editor")),
|
||
Binding::new("alt-delete", DeleteToNextWordBoundary, Some("Editor")),
|
||
Binding::new("alt-d", DeleteToNextWordBoundary, Some("Editor")),
|
||
Binding::new("cmd-backspace", DeleteToBeginningOfLine, Some("Editor")),
|
||
Binding::new("cmd-delete", DeleteToEndOfLine, Some("Editor")),
|
||
Binding::new("ctrl-k", CutToEndOfLine, Some("Editor")),
|
||
Binding::new("cmd-shift-D", DuplicateLine, Some("Editor")),
|
||
Binding::new("ctrl-cmd-up", MoveLineUp, Some("Editor")),
|
||
Binding::new("ctrl-cmd-down", MoveLineDown, Some("Editor")),
|
||
Binding::new("cmd-x", Cut, Some("Editor")),
|
||
Binding::new("cmd-c", Copy, Some("Editor")),
|
||
Binding::new("cmd-v", Paste, Some("Editor")),
|
||
Binding::new("cmd-z", Undo, Some("Editor")),
|
||
Binding::new("cmd-shift-Z", Redo, Some("Editor")),
|
||
Binding::new("up", MoveUp, Some("Editor")),
|
||
Binding::new("down", MoveDown, Some("Editor")),
|
||
Binding::new("left", MoveLeft, Some("Editor")),
|
||
Binding::new("right", MoveRight, Some("Editor")),
|
||
Binding::new("ctrl-p", MoveUp, Some("Editor")),
|
||
Binding::new("ctrl-n", MoveDown, Some("Editor")),
|
||
Binding::new("ctrl-b", MoveLeft, Some("Editor")),
|
||
Binding::new("ctrl-f", MoveRight, Some("Editor")),
|
||
Binding::new("alt-left", MoveToPreviousWordBoundary, Some("Editor")),
|
||
Binding::new("alt-b", MoveToPreviousWordBoundary, Some("Editor")),
|
||
Binding::new("alt-right", MoveToNextWordBoundary, Some("Editor")),
|
||
Binding::new("alt-f", MoveToNextWordBoundary, Some("Editor")),
|
||
Binding::new("cmd-left", MoveToBeginningOfLine, Some("Editor")),
|
||
Binding::new("ctrl-a", MoveToBeginningOfLine, Some("Editor")),
|
||
Binding::new("cmd-right", MoveToEndOfLine, Some("Editor")),
|
||
Binding::new("ctrl-e", MoveToEndOfLine, Some("Editor")),
|
||
Binding::new("cmd-up", MoveToBeginning, Some("Editor")),
|
||
Binding::new("cmd-down", MoveToEnd, Some("Editor")),
|
||
Binding::new("shift-up", SelectUp, Some("Editor")),
|
||
Binding::new("ctrl-shift-P", SelectUp, Some("Editor")),
|
||
Binding::new("shift-down", SelectDown, Some("Editor")),
|
||
Binding::new("ctrl-shift-N", SelectDown, Some("Editor")),
|
||
Binding::new("shift-left", SelectLeft, Some("Editor")),
|
||
Binding::new("ctrl-shift-B", SelectLeft, Some("Editor")),
|
||
Binding::new("shift-right", SelectRight, Some("Editor")),
|
||
Binding::new("ctrl-shift-F", SelectRight, Some("Editor")),
|
||
Binding::new(
|
||
"alt-shift-left",
|
||
SelectToPreviousWordBoundary,
|
||
Some("Editor"),
|
||
),
|
||
Binding::new("alt-shift-B", SelectToPreviousWordBoundary, Some("Editor")),
|
||
Binding::new("alt-shift-right", SelectToNextWordBoundary, Some("Editor")),
|
||
Binding::new("alt-shift-F", SelectToNextWordBoundary, Some("Editor")),
|
||
Binding::new(
|
||
"cmd-shift-left",
|
||
SelectToBeginningOfLine(true),
|
||
Some("Editor"),
|
||
),
|
||
Binding::new(
|
||
"ctrl-shift-A",
|
||
SelectToBeginningOfLine(true),
|
||
Some("Editor"),
|
||
),
|
||
Binding::new("cmd-shift-right", SelectToEndOfLine, Some("Editor")),
|
||
Binding::new("ctrl-shift-E", SelectToEndOfLine, Some("Editor")),
|
||
Binding::new("cmd-shift-up", SelectToBeginning, Some("Editor")),
|
||
Binding::new("cmd-shift-down", SelectToEnd, Some("Editor")),
|
||
Binding::new("cmd-a", SelectAll, Some("Editor")),
|
||
Binding::new("cmd-l", SelectLine, Some("Editor")),
|
||
Binding::new("cmd-shift-L", SplitSelectionIntoLines, Some("Editor")),
|
||
Binding::new("cmd-alt-up", AddSelectionAbove, Some("Editor")),
|
||
Binding::new("cmd-ctrl-p", AddSelectionAbove, Some("Editor")),
|
||
Binding::new("cmd-alt-down", AddSelectionBelow, Some("Editor")),
|
||
Binding::new("cmd-ctrl-n", AddSelectionBelow, Some("Editor")),
|
||
Binding::new("alt-up", SelectLargerSyntaxNode, Some("Editor")),
|
||
Binding::new("ctrl-w", SelectLargerSyntaxNode, Some("Editor")),
|
||
Binding::new("alt-down", SelectSmallerSyntaxNode, Some("Editor")),
|
||
Binding::new("ctrl-shift-W", SelectSmallerSyntaxNode, Some("Editor")),
|
||
Binding::new("ctrl-m", MoveToEnclosingBracket, Some("Editor")),
|
||
Binding::new("pageup", PageUp, Some("Editor")),
|
||
Binding::new("pagedown", PageDown, Some("Editor")),
|
||
Binding::new("alt-cmd-[", Fold, Some("Editor")),
|
||
Binding::new("alt-cmd-]", Unfold, Some("Editor")),
|
||
Binding::new("alt-cmd-f", FoldSelectedRanges, Some("Editor")),
|
||
]);
|
||
|
||
cx.add_action(|this: &mut Editor, action: &Scroll, cx| this.set_scroll_position(action.0, cx));
|
||
cx.add_action(Editor::select);
|
||
cx.add_action(Editor::cancel);
|
||
cx.add_action(Editor::insert);
|
||
cx.add_action(Editor::backspace);
|
||
cx.add_action(Editor::delete);
|
||
cx.add_action(Editor::delete_line);
|
||
cx.add_action(Editor::delete_to_previous_word_boundary);
|
||
cx.add_action(Editor::delete_to_next_word_boundary);
|
||
cx.add_action(Editor::delete_to_beginning_of_line);
|
||
cx.add_action(Editor::delete_to_end_of_line);
|
||
cx.add_action(Editor::cut_to_end_of_line);
|
||
cx.add_action(Editor::duplicate_line);
|
||
cx.add_action(Editor::move_line_up);
|
||
cx.add_action(Editor::move_line_down);
|
||
cx.add_action(Editor::cut);
|
||
cx.add_action(Editor::copy);
|
||
cx.add_action(Editor::paste);
|
||
cx.add_action(Editor::undo);
|
||
cx.add_action(Editor::redo);
|
||
cx.add_action(Editor::move_up);
|
||
cx.add_action(Editor::move_down);
|
||
cx.add_action(Editor::move_left);
|
||
cx.add_action(Editor::move_right);
|
||
cx.add_action(Editor::move_to_previous_word_boundary);
|
||
cx.add_action(Editor::move_to_next_word_boundary);
|
||
cx.add_action(Editor::move_to_beginning_of_line);
|
||
cx.add_action(Editor::move_to_end_of_line);
|
||
cx.add_action(Editor::move_to_beginning);
|
||
cx.add_action(Editor::move_to_end);
|
||
cx.add_action(Editor::select_up);
|
||
cx.add_action(Editor::select_down);
|
||
cx.add_action(Editor::select_left);
|
||
cx.add_action(Editor::select_right);
|
||
cx.add_action(Editor::select_to_previous_word_boundary);
|
||
cx.add_action(Editor::select_to_next_word_boundary);
|
||
cx.add_action(Editor::select_to_beginning_of_line);
|
||
cx.add_action(Editor::select_to_end_of_line);
|
||
cx.add_action(Editor::select_to_beginning);
|
||
cx.add_action(Editor::select_to_end);
|
||
cx.add_action(Editor::select_all);
|
||
cx.add_action(Editor::select_line);
|
||
cx.add_action(Editor::split_selection_into_lines);
|
||
cx.add_action(Editor::add_selection_above);
|
||
cx.add_action(Editor::add_selection_below);
|
||
cx.add_action(Editor::select_larger_syntax_node);
|
||
cx.add_action(Editor::select_smaller_syntax_node);
|
||
cx.add_action(Editor::move_to_enclosing_bracket);
|
||
cx.add_action(Editor::page_up);
|
||
cx.add_action(Editor::page_down);
|
||
cx.add_action(Editor::fold);
|
||
cx.add_action(Editor::unfold);
|
||
cx.add_action(Editor::fold_selected_ranges);
|
||
}
|
||
|
||
#[derive(Clone, Debug)]
|
||
pub enum SelectPhase {
|
||
Begin {
|
||
position: DisplayPoint,
|
||
add: bool,
|
||
},
|
||
Update {
|
||
position: DisplayPoint,
|
||
scroll_position: Vector2F,
|
||
},
|
||
End,
|
||
}
|
||
|
||
#[derive(Copy, Clone, PartialEq, Eq)]
|
||
pub enum EditorMode {
|
||
SingleLine,
|
||
AutoHeight { max_lines: usize },
|
||
Full,
|
||
}
|
||
|
||
pub struct Editor {
|
||
handle: WeakViewHandle<Self>,
|
||
buffer: ModelHandle<Buffer>,
|
||
display_map: ModelHandle<DisplayMap>,
|
||
selection_set_id: SelectionSetId,
|
||
pending_selection: Option<Selection>,
|
||
next_selection_id: usize,
|
||
add_selections_state: Option<AddSelectionsState>,
|
||
select_larger_syntax_node_stack: Vec<Vec<Selection>>,
|
||
scroll_position: Vector2F,
|
||
scroll_top_anchor: Anchor,
|
||
autoscroll_requested: bool,
|
||
build_style: Option<Rc<RefCell<dyn FnMut(&mut MutableAppContext) -> EditorStyle>>>,
|
||
settings: watch::Receiver<Settings>,
|
||
focused: bool,
|
||
cursors_visible: bool,
|
||
blink_epoch: usize,
|
||
blinking_paused: bool,
|
||
mode: EditorMode,
|
||
placeholder_text: Option<Arc<str>>,
|
||
}
|
||
|
||
pub struct Snapshot {
|
||
pub mode: EditorMode,
|
||
pub display_snapshot: DisplayMapSnapshot,
|
||
pub placeholder_text: Option<Arc<str>>,
|
||
pub theme: Arc<Theme>,
|
||
pub font_family: FamilyId,
|
||
pub font_size: f32,
|
||
is_focused: bool,
|
||
scroll_position: Vector2F,
|
||
scroll_top_anchor: Anchor,
|
||
}
|
||
|
||
struct AddSelectionsState {
|
||
above: bool,
|
||
stack: Vec<usize>,
|
||
}
|
||
|
||
#[derive(Serialize, Deserialize)]
|
||
struct ClipboardSelection {
|
||
len: usize,
|
||
is_entire_line: bool,
|
||
}
|
||
|
||
impl Editor {
|
||
pub fn single_line(settings: watch::Receiver<Settings>, cx: &mut ViewContext<Self>) -> Self {
|
||
let buffer = cx.add_model(|cx| Buffer::new(0, String::new(), cx));
|
||
let mut view = Self::for_buffer(buffer, settings, cx);
|
||
view.mode = EditorMode::SingleLine;
|
||
view
|
||
}
|
||
|
||
pub fn auto_height(
|
||
max_lines: usize,
|
||
settings: watch::Receiver<Settings>,
|
||
cx: &mut ViewContext<Self>,
|
||
) -> Self {
|
||
let buffer = cx.add_model(|cx| Buffer::new(0, String::new(), cx));
|
||
let mut view = Self::for_buffer(buffer, settings, cx);
|
||
view.mode = EditorMode::AutoHeight { max_lines };
|
||
view
|
||
}
|
||
|
||
pub fn for_buffer(
|
||
buffer: ModelHandle<Buffer>,
|
||
settings: watch::Receiver<Settings>,
|
||
cx: &mut ViewContext<Self>,
|
||
) -> Self {
|
||
let display_map =
|
||
cx.add_model(|cx| DisplayMap::new(buffer.clone(), settings.borrow().clone(), None, cx));
|
||
cx.observe(&buffer, Self::on_buffer_changed).detach();
|
||
cx.subscribe(&buffer, Self::on_buffer_event).detach();
|
||
cx.observe(&display_map, Self::on_display_map_changed)
|
||
.detach();
|
||
|
||
let mut next_selection_id = 0;
|
||
let selection_set_id = buffer.update(cx, |buffer, cx| {
|
||
buffer.add_selection_set(
|
||
vec![Selection {
|
||
id: post_inc(&mut next_selection_id),
|
||
start: buffer.anchor_before(0),
|
||
end: buffer.anchor_before(0),
|
||
reversed: false,
|
||
goal: SelectionGoal::None,
|
||
}],
|
||
cx,
|
||
)
|
||
});
|
||
Self {
|
||
handle: cx.handle().downgrade(),
|
||
buffer,
|
||
display_map,
|
||
selection_set_id,
|
||
pending_selection: None,
|
||
next_selection_id,
|
||
add_selections_state: None,
|
||
select_larger_syntax_node_stack: Vec::new(),
|
||
build_style: None,
|
||
scroll_position: Vector2F::zero(),
|
||
scroll_top_anchor: Anchor::min(),
|
||
autoscroll_requested: false,
|
||
settings,
|
||
focused: false,
|
||
cursors_visible: false,
|
||
blink_epoch: 0,
|
||
blinking_paused: false,
|
||
mode: EditorMode::Full,
|
||
placeholder_text: None,
|
||
}
|
||
}
|
||
|
||
pub fn with_style(
|
||
mut self,
|
||
f: impl 'static + FnMut(&mut MutableAppContext) -> EditorStyle,
|
||
) -> Self {
|
||
self.build_style = Some(Rc::new(RefCell::new(f)));
|
||
self
|
||
}
|
||
|
||
pub fn replica_id(&self, cx: &AppContext) -> ReplicaId {
|
||
self.buffer.read(cx).replica_id()
|
||
}
|
||
|
||
pub fn buffer(&self) -> &ModelHandle<Buffer> {
|
||
&self.buffer
|
||
}
|
||
|
||
pub fn snapshot(&mut self, cx: &mut MutableAppContext) -> Snapshot {
|
||
let settings = self.settings.borrow();
|
||
|
||
Snapshot {
|
||
mode: self.mode,
|
||
display_snapshot: self.display_map.update(cx, |map, cx| map.snapshot(cx)),
|
||
scroll_position: self.scroll_position,
|
||
scroll_top_anchor: self.scroll_top_anchor.clone(),
|
||
theme: settings.theme.clone(),
|
||
placeholder_text: self.placeholder_text.clone(),
|
||
font_family: settings.buffer_font_family,
|
||
font_size: settings.buffer_font_size,
|
||
is_focused: self
|
||
.handle
|
||
.upgrade(cx)
|
||
.map_or(false, |handle| handle.is_focused(cx)),
|
||
}
|
||
}
|
||
|
||
pub fn set_placeholder_text(
|
||
&mut self,
|
||
placeholder_text: impl Into<Arc<str>>,
|
||
cx: &mut ViewContext<Self>,
|
||
) {
|
||
self.placeholder_text = Some(placeholder_text.into());
|
||
cx.notify();
|
||
}
|
||
|
||
fn set_scroll_position(&mut self, mut scroll_position: Vector2F, cx: &mut ViewContext<Self>) {
|
||
let map = self.display_map.update(cx, |map, cx| map.snapshot(cx));
|
||
let scroll_top_buffer_offset =
|
||
DisplayPoint::new(scroll_position.y() as u32, 0).to_buffer_offset(&map, Bias::Right);
|
||
self.scroll_top_anchor = self
|
||
.buffer
|
||
.read(cx)
|
||
.anchor_at(scroll_top_buffer_offset, Bias::Right);
|
||
scroll_position.set_y(scroll_position.y().fract());
|
||
self.scroll_position = scroll_position;
|
||
cx.notify();
|
||
}
|
||
|
||
pub fn clamp_scroll_left(&mut self, max: f32) -> bool {
|
||
if max < self.scroll_position.x() {
|
||
self.scroll_position.set_x(max);
|
||
true
|
||
} else {
|
||
false
|
||
}
|
||
}
|
||
|
||
pub fn autoscroll_vertically(
|
||
&mut self,
|
||
viewport_height: f32,
|
||
line_height: f32,
|
||
cx: &mut ViewContext<Self>,
|
||
) -> bool {
|
||
let visible_lines = viewport_height / line_height;
|
||
let display_map = self.display_map.update(cx, |map, cx| map.snapshot(cx));
|
||
let mut scroll_position =
|
||
compute_scroll_position(&display_map, self.scroll_position, &self.scroll_top_anchor);
|
||
let max_scroll_top = if matches!(self.mode, EditorMode::AutoHeight { .. }) {
|
||
(display_map.max_point().row() as f32 - visible_lines + 1.).max(0.)
|
||
} else {
|
||
display_map.max_point().row().saturating_sub(1) as f32
|
||
};
|
||
if scroll_position.y() > max_scroll_top {
|
||
scroll_position.set_y(max_scroll_top);
|
||
self.set_scroll_position(scroll_position, cx);
|
||
}
|
||
|
||
if self.autoscroll_requested {
|
||
self.autoscroll_requested = false;
|
||
} else {
|
||
return false;
|
||
}
|
||
|
||
let first_cursor_top = self
|
||
.selections(cx)
|
||
.first()
|
||
.unwrap()
|
||
.head()
|
||
.to_display_point(&display_map, Bias::Left)
|
||
.row() as f32;
|
||
let last_cursor_bottom = self
|
||
.selections(cx)
|
||
.last()
|
||
.unwrap()
|
||
.head()
|
||
.to_display_point(&display_map, Bias::Right)
|
||
.row() as f32
|
||
+ 1.0;
|
||
|
||
let margin = if matches!(self.mode, EditorMode::AutoHeight { .. }) {
|
||
0.
|
||
} else {
|
||
((visible_lines - (last_cursor_bottom - first_cursor_top)) / 2.0)
|
||
.floor()
|
||
.min(3.0)
|
||
};
|
||
if margin < 0.0 {
|
||
return false;
|
||
}
|
||
|
||
let target_top = (first_cursor_top - margin).max(0.0);
|
||
let target_bottom = last_cursor_bottom + margin;
|
||
let start_row = scroll_position.y();
|
||
let end_row = start_row + visible_lines;
|
||
|
||
if target_top < start_row {
|
||
scroll_position.set_y(target_top);
|
||
self.set_scroll_position(scroll_position, cx);
|
||
} else if target_bottom >= end_row {
|
||
scroll_position.set_y(target_bottom - visible_lines);
|
||
self.set_scroll_position(scroll_position, cx);
|
||
}
|
||
|
||
true
|
||
}
|
||
|
||
pub fn autoscroll_horizontally(
|
||
&mut self,
|
||
start_row: u32,
|
||
viewport_width: f32,
|
||
scroll_width: f32,
|
||
max_glyph_width: f32,
|
||
layouts: &[text_layout::Line],
|
||
cx: &mut MutableAppContext,
|
||
) -> bool {
|
||
let display_map = self.display_map.update(cx, |map, cx| map.snapshot(cx));
|
||
let mut target_left = std::f32::INFINITY;
|
||
let mut target_right = 0.0_f32;
|
||
for selection in self.selections(cx) {
|
||
let head = selection.head().to_display_point(&display_map, Bias::Left);
|
||
let start_column = head.column().saturating_sub(3);
|
||
let end_column = cmp::min(display_map.line_len(head.row()), head.column() + 3);
|
||
target_left = target_left
|
||
.min(layouts[(head.row() - start_row) as usize].x_for_index(start_column as usize));
|
||
target_right = target_right.max(
|
||
layouts[(head.row() - start_row) as usize].x_for_index(end_column as usize)
|
||
+ max_glyph_width,
|
||
);
|
||
}
|
||
target_right = target_right.min(scroll_width);
|
||
|
||
if target_right - target_left > viewport_width {
|
||
return false;
|
||
}
|
||
|
||
let scroll_left = self.scroll_position.x() * max_glyph_width;
|
||
let scroll_right = scroll_left + viewport_width;
|
||
|
||
if target_left < scroll_left {
|
||
self.scroll_position.set_x(target_left / max_glyph_width);
|
||
true
|
||
} else if target_right > scroll_right {
|
||
self.scroll_position
|
||
.set_x((target_right - viewport_width) / max_glyph_width);
|
||
true
|
||
} else {
|
||
false
|
||
}
|
||
}
|
||
|
||
fn select(&mut self, Select(phase): &Select, cx: &mut ViewContext<Self>) {
|
||
match phase {
|
||
SelectPhase::Begin { position, add } => self.begin_selection(*position, *add, cx),
|
||
SelectPhase::Update {
|
||
position,
|
||
scroll_position,
|
||
} => self.update_selection(*position, *scroll_position, cx),
|
||
SelectPhase::End => self.end_selection(cx),
|
||
}
|
||
}
|
||
|
||
fn begin_selection(&mut self, position: DisplayPoint, add: bool, cx: &mut ViewContext<Self>) {
|
||
if !self.focused {
|
||
cx.focus_self();
|
||
cx.emit(Event::Activate);
|
||
}
|
||
|
||
let display_map = self.display_map.update(cx, |map, cx| map.snapshot(cx));
|
||
let cursor = display_map.anchor_before(position, Bias::Left);
|
||
let selection = Selection {
|
||
id: post_inc(&mut self.next_selection_id),
|
||
start: cursor.clone(),
|
||
end: cursor,
|
||
reversed: false,
|
||
goal: SelectionGoal::None,
|
||
};
|
||
|
||
if !add {
|
||
self.update_selections(Vec::new(), false, cx);
|
||
}
|
||
self.pending_selection = Some(selection);
|
||
|
||
cx.notify();
|
||
}
|
||
|
||
fn update_selection(
|
||
&mut self,
|
||
position: DisplayPoint,
|
||
scroll_position: Vector2F,
|
||
cx: &mut ViewContext<Self>,
|
||
) {
|
||
let display_map = self.display_map.update(cx, |map, cx| map.snapshot(cx));
|
||
let buffer = self.buffer.read(cx);
|
||
let cursor = display_map.anchor_before(position, Bias::Left);
|
||
if let Some(selection) = self.pending_selection.as_mut() {
|
||
selection.set_head(buffer, cursor);
|
||
} else {
|
||
log::error!("update_selection dispatched with no pending selection");
|
||
return;
|
||
}
|
||
|
||
self.set_scroll_position(scroll_position, cx);
|
||
cx.notify();
|
||
}
|
||
|
||
fn end_selection(&mut self, cx: &mut ViewContext<Self>) {
|
||
if let Some(selection) = self.pending_selection.take() {
|
||
let mut selections = self.selections(cx.as_ref()).to_vec();
|
||
let ix = self.selection_insertion_index(&selections, &selection.start, cx.as_ref());
|
||
selections.insert(ix, selection);
|
||
self.update_selections(selections, false, cx);
|
||
} else {
|
||
log::error!("end_selection dispatched with no pending selection");
|
||
}
|
||
}
|
||
|
||
pub fn is_selecting(&self) -> bool {
|
||
self.pending_selection.is_some()
|
||
}
|
||
|
||
pub fn cancel(&mut self, _: &Cancel, cx: &mut ViewContext<Self>) {
|
||
let selections = self.selections(cx.as_ref());
|
||
if let Some(pending_selection) = self.pending_selection.take() {
|
||
if selections.is_empty() {
|
||
self.update_selections(vec![pending_selection], true, cx);
|
||
}
|
||
} else {
|
||
let mut oldest_selection = selections.iter().min_by_key(|s| s.id).unwrap().clone();
|
||
if selections.len() == 1 {
|
||
oldest_selection.start = oldest_selection.head().clone();
|
||
oldest_selection.end = oldest_selection.head().clone();
|
||
}
|
||
self.update_selections(vec![oldest_selection], true, cx);
|
||
}
|
||
}
|
||
|
||
fn select_ranges<I, T>(&mut self, ranges: I, autoscroll: bool, cx: &mut ViewContext<Self>)
|
||
where
|
||
I: IntoIterator<Item = Range<T>>,
|
||
T: ToOffset,
|
||
{
|
||
let buffer = self.buffer.read(cx);
|
||
let mut selections = Vec::new();
|
||
for range in ranges {
|
||
let mut start = range.start.to_offset(buffer);
|
||
let mut end = range.end.to_offset(buffer);
|
||
let reversed = if start > end {
|
||
mem::swap(&mut start, &mut end);
|
||
true
|
||
} else {
|
||
false
|
||
};
|
||
selections.push(Selection {
|
||
id: post_inc(&mut self.next_selection_id),
|
||
start: buffer.anchor_before(start),
|
||
end: buffer.anchor_before(end),
|
||
reversed,
|
||
goal: SelectionGoal::None,
|
||
});
|
||
}
|
||
self.update_selections(selections, autoscroll, cx);
|
||
}
|
||
|
||
#[cfg(test)]
|
||
fn select_display_ranges<'a, T>(&mut self, ranges: T, cx: &mut ViewContext<Self>) -> Result<()>
|
||
where
|
||
T: IntoIterator<Item = &'a Range<DisplayPoint>>,
|
||
{
|
||
let mut selections = Vec::new();
|
||
let display_map = self.display_map.update(cx, |map, cx| map.snapshot(cx));
|
||
for range in ranges {
|
||
let mut start = range.start;
|
||
let mut end = range.end;
|
||
let reversed = if start > end {
|
||
mem::swap(&mut start, &mut end);
|
||
true
|
||
} else {
|
||
false
|
||
};
|
||
|
||
selections.push(Selection {
|
||
id: post_inc(&mut self.next_selection_id),
|
||
start: display_map.anchor_before(start, Bias::Left),
|
||
end: display_map.anchor_before(end, Bias::Left),
|
||
reversed,
|
||
goal: SelectionGoal::None,
|
||
});
|
||
}
|
||
self.update_selections(selections, false, cx);
|
||
Ok(())
|
||
}
|
||
|
||
pub fn insert(&mut self, action: &Insert, cx: &mut ViewContext<Self>) {
|
||
let mut old_selections = SmallVec::<[_; 32]>::new();
|
||
{
|
||
let buffer = self.buffer.read(cx);
|
||
for selection in self.selections(cx.as_ref()) {
|
||
let start = selection.start.to_offset(buffer);
|
||
let end = selection.end.to_offset(buffer);
|
||
old_selections.push((selection.id, start..end));
|
||
}
|
||
}
|
||
|
||
self.start_transaction(cx);
|
||
let mut new_selections = Vec::new();
|
||
self.buffer.update(cx, |buffer, cx| {
|
||
let edit_ranges = old_selections.iter().map(|(_, range)| range.clone());
|
||
buffer.edit(edit_ranges, action.0.as_str(), cx);
|
||
let text_len = action.0.len() as isize;
|
||
let mut delta = 0_isize;
|
||
new_selections = old_selections
|
||
.into_iter()
|
||
.map(|(id, range)| {
|
||
let start = range.start as isize;
|
||
let end = range.end as isize;
|
||
let anchor = buffer.anchor_before((start + delta + text_len) as usize);
|
||
let deleted_count = end - start;
|
||
delta += text_len - deleted_count;
|
||
Selection {
|
||
id,
|
||
start: anchor.clone(),
|
||
end: anchor,
|
||
reversed: false,
|
||
goal: SelectionGoal::None,
|
||
}
|
||
})
|
||
.collect();
|
||
});
|
||
|
||
self.update_selections(new_selections, true, cx);
|
||
self.end_transaction(cx);
|
||
}
|
||
|
||
pub fn clear(&mut self, cx: &mut ViewContext<Self>) {
|
||
self.start_transaction(cx);
|
||
self.select_all(&SelectAll, cx);
|
||
self.insert(&Insert(String::new()), cx);
|
||
self.end_transaction(cx);
|
||
}
|
||
|
||
pub fn backspace(&mut self, _: &Backspace, cx: &mut ViewContext<Self>) {
|
||
self.start_transaction(cx);
|
||
let mut selections = self.selections(cx.as_ref()).to_vec();
|
||
let display_map = self.display_map.update(cx, |map, cx| map.snapshot(cx));
|
||
{
|
||
let buffer = self.buffer.read(cx);
|
||
for selection in &mut selections {
|
||
let range = selection.point_range(buffer);
|
||
if range.start == range.end {
|
||
let head = selection.head().to_display_point(&display_map, Bias::Left);
|
||
let cursor = display_map
|
||
.anchor_before(movement::left(&display_map, head).unwrap(), Bias::Left);
|
||
selection.set_head(&buffer, cursor);
|
||
selection.goal = SelectionGoal::None;
|
||
}
|
||
}
|
||
}
|
||
|
||
self.update_selections(selections, true, cx);
|
||
self.insert(&Insert(String::new()), cx);
|
||
self.end_transaction(cx);
|
||
}
|
||
|
||
pub fn delete(&mut self, _: &Delete, cx: &mut ViewContext<Self>) {
|
||
self.start_transaction(cx);
|
||
let display_map = self.display_map.update(cx, |map, cx| map.snapshot(cx));
|
||
let mut selections = self.selections(cx.as_ref()).to_vec();
|
||
{
|
||
let buffer = self.buffer.read(cx);
|
||
for selection in &mut selections {
|
||
let range = selection.point_range(buffer);
|
||
if range.start == range.end {
|
||
let head = selection.head().to_display_point(&display_map, Bias::Left);
|
||
let cursor = display_map
|
||
.anchor_before(movement::right(&display_map, head).unwrap(), Bias::Right);
|
||
selection.set_head(&buffer, cursor);
|
||
selection.goal = SelectionGoal::None;
|
||
}
|
||
}
|
||
}
|
||
|
||
self.update_selections(selections, true, cx);
|
||
self.insert(&Insert(String::new()), cx);
|
||
self.end_transaction(cx);
|
||
}
|
||
|
||
pub fn delete_line(&mut self, _: &DeleteLine, cx: &mut ViewContext<Self>) {
|
||
self.start_transaction(cx);
|
||
|
||
let display_map = self.display_map.update(cx, |map, cx| map.snapshot(cx));
|
||
let app = cx.as_ref();
|
||
let buffer = self.buffer.read(app);
|
||
|
||
let mut new_cursors = Vec::new();
|
||
let mut edit_ranges = Vec::new();
|
||
|
||
let mut selections = self.selections(app).iter().peekable();
|
||
while let Some(selection) = selections.next() {
|
||
let mut rows = selection.spanned_rows(false, &display_map).buffer_rows;
|
||
let goal_display_column = selection
|
||
.head()
|
||
.to_display_point(&display_map, Bias::Left)
|
||
.column();
|
||
|
||
// Accumulate contiguous regions of rows that we want to delete.
|
||
while let Some(next_selection) = selections.peek() {
|
||
let next_rows = next_selection.spanned_rows(false, &display_map).buffer_rows;
|
||
if next_rows.start <= rows.end {
|
||
rows.end = next_rows.end;
|
||
selections.next().unwrap();
|
||
} else {
|
||
break;
|
||
}
|
||
}
|
||
|
||
let mut edit_start = Point::new(rows.start, 0).to_offset(buffer);
|
||
let edit_end;
|
||
let cursor_buffer_row;
|
||
if buffer.max_point().row >= rows.end {
|
||
// If there's a line after the range, delete the \n from the end of the row range
|
||
// and position the cursor on the next line.
|
||
edit_end = Point::new(rows.end, 0).to_offset(buffer);
|
||
cursor_buffer_row = rows.end;
|
||
} else {
|
||
// If there isn't a line after the range, delete the \n from the line before the
|
||
// start of the row range and position the cursor there.
|
||
edit_start = edit_start.saturating_sub(1);
|
||
edit_end = buffer.len();
|
||
cursor_buffer_row = rows.start.saturating_sub(1);
|
||
}
|
||
|
||
let mut cursor =
|
||
Point::new(cursor_buffer_row, 0).to_display_point(&display_map, Bias::Left);
|
||
*cursor.column_mut() =
|
||
cmp::min(goal_display_column, display_map.line_len(cursor.row()));
|
||
|
||
new_cursors.push((
|
||
selection.id,
|
||
cursor.to_buffer_point(&display_map, Bias::Left),
|
||
));
|
||
edit_ranges.push(edit_start..edit_end);
|
||
}
|
||
|
||
new_cursors.sort_unstable_by_key(|(_, range)| range.clone());
|
||
let new_selections = new_cursors
|
||
.into_iter()
|
||
.map(|(id, cursor)| {
|
||
let anchor = buffer.anchor_before(cursor);
|
||
Selection {
|
||
id,
|
||
start: anchor.clone(),
|
||
end: anchor,
|
||
reversed: false,
|
||
goal: SelectionGoal::None,
|
||
}
|
||
})
|
||
.collect();
|
||
self.buffer
|
||
.update(cx, |buffer, cx| buffer.edit(edit_ranges, "", cx));
|
||
self.update_selections(new_selections, true, cx);
|
||
self.end_transaction(cx);
|
||
}
|
||
|
||
pub fn duplicate_line(&mut self, _: &DuplicateLine, cx: &mut ViewContext<Self>) {
|
||
self.start_transaction(cx);
|
||
|
||
let mut selections = self.selections(cx.as_ref()).to_vec();
|
||
{
|
||
// Temporarily bias selections right to allow newly duplicate lines to push them down
|
||
// when the selections are at the beginning of a line.
|
||
let buffer = self.buffer.read(cx);
|
||
for selection in &mut selections {
|
||
selection.start = selection.start.bias_right(buffer);
|
||
selection.end = selection.end.bias_right(buffer);
|
||
}
|
||
}
|
||
self.update_selections(selections.clone(), false, cx);
|
||
|
||
let display_map = self.display_map.update(cx, |map, cx| map.snapshot(cx));
|
||
let buffer = self.buffer.read(cx);
|
||
|
||
let mut edits = Vec::new();
|
||
let mut selections_iter = selections.iter_mut().peekable();
|
||
while let Some(selection) = selections_iter.next() {
|
||
// Avoid duplicating the same lines twice.
|
||
let mut rows = selection.spanned_rows(false, &display_map).buffer_rows;
|
||
while let Some(next_selection) = selections_iter.peek() {
|
||
let next_rows = next_selection.spanned_rows(false, &display_map).buffer_rows;
|
||
if next_rows.start <= rows.end - 1 {
|
||
rows.end = next_rows.end;
|
||
selections_iter.next().unwrap();
|
||
} else {
|
||
break;
|
||
}
|
||
}
|
||
|
||
// Copy the text from the selected row region and splice it at the start of the region.
|
||
let start = Point::new(rows.start, 0);
|
||
let end = Point::new(rows.end - 1, buffer.line_len(rows.end - 1));
|
||
let text = buffer
|
||
.text_for_range(start..end)
|
||
.chain(Some("\n"))
|
||
.collect::<String>();
|
||
edits.push((start, text));
|
||
}
|
||
|
||
self.buffer.update(cx, |buffer, cx| {
|
||
for (offset, text) in edits.into_iter().rev() {
|
||
buffer.edit(Some(offset..offset), text, cx);
|
||
}
|
||
});
|
||
|
||
// Restore bias on selections.
|
||
let buffer = self.buffer.read(cx);
|
||
for selection in &mut selections {
|
||
selection.start = selection.start.bias_left(buffer);
|
||
selection.end = selection.end.bias_left(buffer);
|
||
}
|
||
self.update_selections(selections, true, cx);
|
||
|
||
self.end_transaction(cx);
|
||
}
|
||
|
||
pub fn move_line_up(&mut self, _: &MoveLineUp, cx: &mut ViewContext<Self>) {
|
||
self.start_transaction(cx);
|
||
|
||
let display_map = self.display_map.update(cx, |map, cx| map.snapshot(cx));
|
||
let app = cx.as_ref();
|
||
let buffer = self.buffer.read(cx);
|
||
|
||
let mut edits = Vec::new();
|
||
let mut new_selection_ranges = Vec::new();
|
||
let mut old_folds = Vec::new();
|
||
let mut new_folds = Vec::new();
|
||
|
||
let mut selections = self.selections(app).iter().peekable();
|
||
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.point_range(buffer));
|
||
let SpannedRows {
|
||
mut buffer_rows,
|
||
mut display_rows,
|
||
} = selection.spanned_rows(false, &display_map);
|
||
|
||
while let Some(next_selection) = selections.peek() {
|
||
let SpannedRows {
|
||
buffer_rows: next_buffer_rows,
|
||
display_rows: next_display_rows,
|
||
} = next_selection.spanned_rows(false, &display_map);
|
||
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.point_range(buffer));
|
||
selections.next().unwrap();
|
||
} else {
|
||
break;
|
||
}
|
||
}
|
||
|
||
// Cut the text from the selected rows and paste it at the start of the previous line.
|
||
if display_rows.start != 0 {
|
||
let start = Point::new(buffer_rows.start, 0).to_offset(buffer);
|
||
let end = Point::new(buffer_rows.end - 1, buffer.line_len(buffer_rows.end - 1))
|
||
.to_offset(buffer);
|
||
|
||
let prev_row_display_start = DisplayPoint::new(display_rows.start - 1, 0);
|
||
let prev_row_buffer_start = display_map.prev_row_boundary(prev_row_display_start).1;
|
||
let prev_row_buffer_start_offset = prev_row_buffer_start.to_offset(buffer);
|
||
|
||
let mut text = String::new();
|
||
text.extend(buffer.text_for_range(start..end));
|
||
text.push('\n');
|
||
edits.push((
|
||
prev_row_buffer_start_offset..prev_row_buffer_start_offset,
|
||
text,
|
||
));
|
||
edits.push((start - 1..end, String::new()));
|
||
|
||
let row_delta = buffer_rows.start - prev_row_buffer_start.row;
|
||
|
||
// Move selections up.
|
||
for range in &mut contiguous_selections {
|
||
range.start.row -= row_delta;
|
||
range.end.row -= row_delta;
|
||
}
|
||
|
||
// Move folds up.
|
||
old_folds.push(start..end);
|
||
for fold in display_map.folds_in_range(start..end) {
|
||
let mut start = fold.start.to_point(buffer);
|
||
let mut end = fold.end.to_point(buffer);
|
||
start.row -= row_delta;
|
||
end.row -= row_delta;
|
||
new_folds.push(start..end);
|
||
}
|
||
}
|
||
|
||
new_selection_ranges.extend(contiguous_selections.drain(..));
|
||
}
|
||
|
||
self.unfold_ranges(old_folds, cx);
|
||
self.buffer.update(cx, |buffer, cx| {
|
||
for (range, text) in edits.into_iter().rev() {
|
||
buffer.edit(Some(range), text, cx);
|
||
}
|
||
});
|
||
self.fold_ranges(new_folds, cx);
|
||
self.select_ranges(new_selection_ranges, true, cx);
|
||
|
||
self.end_transaction(cx);
|
||
}
|
||
|
||
pub fn move_line_down(&mut self, _: &MoveLineDown, cx: &mut ViewContext<Self>) {
|
||
self.start_transaction(cx);
|
||
|
||
let display_map = self.display_map.update(cx, |map, cx| map.snapshot(cx));
|
||
let app = cx.as_ref();
|
||
let buffer = self.buffer.read(cx);
|
||
|
||
let mut edits = Vec::new();
|
||
let mut new_selection_ranges = Vec::new();
|
||
let mut old_folds = Vec::new();
|
||
let mut new_folds = Vec::new();
|
||
|
||
let mut selections = self.selections(app).iter().peekable();
|
||
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.point_range(buffer));
|
||
let SpannedRows {
|
||
mut buffer_rows,
|
||
mut display_rows,
|
||
} = selection.spanned_rows(false, &display_map);
|
||
while let Some(next_selection) = selections.peek() {
|
||
let SpannedRows {
|
||
buffer_rows: next_buffer_rows,
|
||
display_rows: next_display_rows,
|
||
} = next_selection.spanned_rows(false, &display_map);
|
||
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.point_range(buffer));
|
||
selections.next().unwrap();
|
||
} else {
|
||
break;
|
||
}
|
||
}
|
||
|
||
// Cut the text from the selected rows and paste it at the end of the next line.
|
||
if display_rows.end <= display_map.max_point().row() {
|
||
let start = Point::new(buffer_rows.start, 0).to_offset(buffer);
|
||
let end = Point::new(buffer_rows.end - 1, buffer.line_len(buffer_rows.end - 1))
|
||
.to_offset(buffer);
|
||
|
||
let next_row_display_end =
|
||
DisplayPoint::new(display_rows.end, display_map.line_len(display_rows.end));
|
||
let next_row_buffer_end = display_map.next_row_boundary(next_row_display_end).1;
|
||
let next_row_buffer_end_offset = next_row_buffer_end.to_offset(buffer);
|
||
|
||
let mut text = String::new();
|
||
text.push('\n');
|
||
text.extend(buffer.text_for_range(start..end));
|
||
edits.push((start..end + 1, String::new()));
|
||
edits.push((next_row_buffer_end_offset..next_row_buffer_end_offset, text));
|
||
|
||
let row_delta = next_row_buffer_end.row - buffer_rows.end + 1;
|
||
|
||
// Move selections down.
|
||
for range in &mut contiguous_selections {
|
||
range.start.row += row_delta;
|
||
range.end.row += row_delta;
|
||
}
|
||
|
||
// Move folds down.
|
||
old_folds.push(start..end);
|
||
for fold in display_map.folds_in_range(start..end) {
|
||
let mut start = fold.start.to_point(buffer);
|
||
let mut end = fold.end.to_point(buffer);
|
||
start.row += row_delta;
|
||
end.row += row_delta;
|
||
new_folds.push(start..end);
|
||
}
|
||
}
|
||
|
||
new_selection_ranges.extend(contiguous_selections.drain(..));
|
||
}
|
||
|
||
self.unfold_ranges(old_folds, cx);
|
||
self.buffer.update(cx, |buffer, cx| {
|
||
for (range, text) in edits.into_iter().rev() {
|
||
buffer.edit(Some(range), text, cx);
|
||
}
|
||
});
|
||
self.fold_ranges(new_folds, cx);
|
||
self.select_ranges(new_selection_ranges, true, cx);
|
||
|
||
self.end_transaction(cx);
|
||
}
|
||
|
||
pub fn cut(&mut self, _: &Cut, cx: &mut ViewContext<Self>) {
|
||
self.start_transaction(cx);
|
||
let mut text = String::new();
|
||
let mut selections = self.selections(cx.as_ref()).to_vec();
|
||
let mut clipboard_selections = Vec::with_capacity(selections.len());
|
||
{
|
||
let buffer = self.buffer.read(cx);
|
||
let max_point = buffer.max_point();
|
||
for selection in &mut selections {
|
||
let mut start = selection.start.to_point(buffer);
|
||
let mut end = selection.end.to_point(buffer);
|
||
let is_entire_line = start == end;
|
||
if is_entire_line {
|
||
start = Point::new(start.row, 0);
|
||
end = cmp::min(max_point, Point::new(start.row + 1, 0));
|
||
selection.start = buffer.anchor_before(start);
|
||
selection.end = buffer.anchor_before(end);
|
||
}
|
||
let mut len = 0;
|
||
for chunk in buffer.text_for_range(start..end) {
|
||
text.push_str(chunk);
|
||
len += chunk.len();
|
||
}
|
||
clipboard_selections.push(ClipboardSelection {
|
||
len,
|
||
is_entire_line,
|
||
});
|
||
}
|
||
}
|
||
self.update_selections(selections, true, cx);
|
||
self.insert(&Insert(String::new()), cx);
|
||
self.end_transaction(cx);
|
||
|
||
cx.as_mut()
|
||
.write_to_clipboard(ClipboardItem::new(text).with_metadata(clipboard_selections));
|
||
}
|
||
|
||
pub fn copy(&mut self, _: &Copy, cx: &mut ViewContext<Self>) {
|
||
let buffer = self.buffer.read(cx);
|
||
let max_point = buffer.max_point();
|
||
let mut text = String::new();
|
||
let selections = self.selections(cx.as_ref());
|
||
let mut clipboard_selections = Vec::with_capacity(selections.len());
|
||
for selection in selections {
|
||
let mut start = selection.start.to_point(buffer);
|
||
let mut end = selection.end.to_point(buffer);
|
||
let is_entire_line = start == end;
|
||
if is_entire_line {
|
||
start = Point::new(start.row, 0);
|
||
end = cmp::min(max_point, Point::new(start.row + 1, 0));
|
||
}
|
||
let mut len = 0;
|
||
for chunk in buffer.text_for_range(start..end) {
|
||
text.push_str(chunk);
|
||
len += chunk.len();
|
||
}
|
||
clipboard_selections.push(ClipboardSelection {
|
||
len,
|
||
is_entire_line,
|
||
});
|
||
}
|
||
|
||
cx.as_mut()
|
||
.write_to_clipboard(ClipboardItem::new(text).with_metadata(clipboard_selections));
|
||
}
|
||
|
||
pub fn paste(&mut self, _: &Paste, cx: &mut ViewContext<Self>) {
|
||
if let Some(item) = cx.as_mut().read_from_clipboard() {
|
||
let clipboard_text = item.text();
|
||
if let Some(mut clipboard_selections) = item.metadata::<Vec<ClipboardSelection>>() {
|
||
let selections = self.selections(cx.as_ref()).to_vec();
|
||
if clipboard_selections.len() != selections.len() {
|
||
let merged_selection = ClipboardSelection {
|
||
len: clipboard_selections.iter().map(|s| s.len).sum(),
|
||
is_entire_line: clipboard_selections.iter().all(|s| s.is_entire_line),
|
||
};
|
||
clipboard_selections.clear();
|
||
clipboard_selections.push(merged_selection);
|
||
}
|
||
|
||
self.start_transaction(cx);
|
||
let mut new_selections = Vec::with_capacity(selections.len());
|
||
let mut clipboard_chars = clipboard_text.chars().cycle();
|
||
for (selection, clipboard_selection) in
|
||
selections.iter().zip(clipboard_selections.iter().cycle())
|
||
{
|
||
let to_insert =
|
||
String::from_iter(clipboard_chars.by_ref().take(clipboard_selection.len));
|
||
|
||
self.buffer.update(cx, |buffer, cx| {
|
||
let selection_start = selection.start.to_point(&*buffer);
|
||
let selection_end = selection.end.to_point(&*buffer);
|
||
|
||
// If the corresponding selection was empty when this slice of the
|
||
// clipboard text was written, then the entire line containing the
|
||
// selection was copied. If this selection is also currently empty,
|
||
// then paste the line before the current line of the buffer.
|
||
let new_selection_start = selection.end.bias_right(buffer);
|
||
if selection_start == selection_end && clipboard_selection.is_entire_line {
|
||
let line_start = Point::new(selection_start.row, 0);
|
||
buffer.edit(Some(line_start..line_start), to_insert, cx);
|
||
} else {
|
||
buffer.edit(Some(&selection.start..&selection.end), to_insert, cx);
|
||
};
|
||
|
||
let new_selection_start = new_selection_start.bias_left(buffer);
|
||
new_selections.push(Selection {
|
||
id: selection.id,
|
||
start: new_selection_start.clone(),
|
||
end: new_selection_start,
|
||
reversed: false,
|
||
goal: SelectionGoal::None,
|
||
});
|
||
});
|
||
}
|
||
self.update_selections(new_selections, true, cx);
|
||
self.end_transaction(cx);
|
||
} else {
|
||
self.insert(&Insert(clipboard_text.into()), cx);
|
||
}
|
||
}
|
||
}
|
||
|
||
pub fn undo(&mut self, _: &Undo, cx: &mut ViewContext<Self>) {
|
||
self.buffer.update(cx, |buffer, cx| buffer.undo(cx));
|
||
}
|
||
|
||
pub fn redo(&mut self, _: &Redo, cx: &mut ViewContext<Self>) {
|
||
self.buffer.update(cx, |buffer, cx| buffer.redo(cx));
|
||
}
|
||
|
||
pub fn move_left(&mut self, _: &MoveLeft, cx: &mut ViewContext<Self>) {
|
||
let display_map = self.display_map.update(cx, |map, cx| map.snapshot(cx));
|
||
let app = cx.as_ref();
|
||
let mut selections = self.selections(app).to_vec();
|
||
{
|
||
for selection in &mut selections {
|
||
let start = selection.start.to_display_point(&display_map, Bias::Left);
|
||
let end = selection.end.to_display_point(&display_map, Bias::Left);
|
||
|
||
if start != end {
|
||
selection.end = selection.start.clone();
|
||
} else {
|
||
let cursor = display_map
|
||
.anchor_before(movement::left(&display_map, start).unwrap(), Bias::Left);
|
||
selection.start = cursor.clone();
|
||
selection.end = cursor;
|
||
}
|
||
selection.reversed = false;
|
||
selection.goal = SelectionGoal::None;
|
||
}
|
||
}
|
||
self.update_selections(selections, true, cx);
|
||
}
|
||
|
||
pub fn select_left(&mut self, _: &SelectLeft, cx: &mut ViewContext<Self>) {
|
||
let display_map = self.display_map.update(cx, |map, cx| map.snapshot(cx));
|
||
let mut selections = self.selections(cx.as_ref()).to_vec();
|
||
{
|
||
let buffer = self.buffer.read(cx);
|
||
for selection in &mut selections {
|
||
let head = selection.head().to_display_point(&display_map, Bias::Left);
|
||
let cursor = display_map
|
||
.anchor_before(movement::left(&display_map, head).unwrap(), Bias::Left);
|
||
selection.set_head(&buffer, cursor);
|
||
selection.goal = SelectionGoal::None;
|
||
}
|
||
}
|
||
self.update_selections(selections, true, cx);
|
||
}
|
||
|
||
pub fn move_right(&mut self, _: &MoveRight, cx: &mut ViewContext<Self>) {
|
||
let display_map = self.display_map.update(cx, |map, cx| map.snapshot(cx));
|
||
let mut selections = self.selections(cx.as_ref()).to_vec();
|
||
{
|
||
for selection in &mut selections {
|
||
let start = selection.start.to_display_point(&display_map, Bias::Left);
|
||
let end = selection.end.to_display_point(&display_map, Bias::Left);
|
||
|
||
if start != end {
|
||
selection.start = selection.end.clone();
|
||
} else {
|
||
let cursor = display_map
|
||
.anchor_before(movement::right(&display_map, end).unwrap(), Bias::Right);
|
||
selection.start = cursor.clone();
|
||
selection.end = cursor;
|
||
}
|
||
selection.reversed = false;
|
||
selection.goal = SelectionGoal::None;
|
||
}
|
||
}
|
||
self.update_selections(selections, true, cx);
|
||
}
|
||
|
||
pub fn select_right(&mut self, _: &SelectRight, cx: &mut ViewContext<Self>) {
|
||
let display_map = self.display_map.update(cx, |map, cx| map.snapshot(cx));
|
||
let mut selections = self.selections(cx.as_ref()).to_vec();
|
||
{
|
||
let app = cx.as_ref();
|
||
let buffer = self.buffer.read(app);
|
||
for selection in &mut selections {
|
||
let head = selection.head().to_display_point(&display_map, Bias::Left);
|
||
let cursor = display_map
|
||
.anchor_before(movement::right(&display_map, head).unwrap(), Bias::Right);
|
||
selection.set_head(&buffer, cursor);
|
||
selection.goal = SelectionGoal::None;
|
||
}
|
||
}
|
||
self.update_selections(selections, true, cx);
|
||
}
|
||
|
||
pub fn move_up(&mut self, _: &MoveUp, cx: &mut ViewContext<Self>) {
|
||
let display_map = self.display_map.update(cx, |map, cx| map.snapshot(cx));
|
||
if matches!(self.mode, EditorMode::SingleLine) {
|
||
cx.propagate_action();
|
||
} else {
|
||
let mut selections = self.selections(cx.as_ref()).to_vec();
|
||
{
|
||
for selection in &mut selections {
|
||
let start = selection.start.to_display_point(&display_map, Bias::Left);
|
||
let end = selection.end.to_display_point(&display_map, Bias::Left);
|
||
if start != end {
|
||
selection.goal = SelectionGoal::None;
|
||
}
|
||
|
||
let (start, goal) = movement::up(&display_map, start, selection.goal).unwrap();
|
||
let cursor = display_map.anchor_before(start, Bias::Left);
|
||
selection.start = cursor.clone();
|
||
selection.end = cursor;
|
||
selection.goal = goal;
|
||
selection.reversed = false;
|
||
}
|
||
}
|
||
self.update_selections(selections, true, cx);
|
||
}
|
||
}
|
||
|
||
pub fn select_up(&mut self, _: &SelectUp, cx: &mut ViewContext<Self>) {
|
||
let display_map = self.display_map.update(cx, |map, cx| map.snapshot(cx));
|
||
let mut selections = self.selections(cx.as_ref()).to_vec();
|
||
{
|
||
let app = cx.as_ref();
|
||
let buffer = self.buffer.read(app);
|
||
for selection in &mut selections {
|
||
let head = selection.head().to_display_point(&display_map, Bias::Left);
|
||
let (head, goal) = movement::up(&display_map, head, selection.goal).unwrap();
|
||
selection.set_head(&buffer, display_map.anchor_before(head, Bias::Left));
|
||
selection.goal = goal;
|
||
}
|
||
}
|
||
self.update_selections(selections, true, cx);
|
||
}
|
||
|
||
pub fn move_down(&mut self, _: &MoveDown, cx: &mut ViewContext<Self>) {
|
||
if matches!(self.mode, EditorMode::SingleLine) {
|
||
cx.propagate_action();
|
||
} else {
|
||
let display_map = self.display_map.update(cx, |map, cx| map.snapshot(cx));
|
||
let mut selections = self.selections(cx.as_ref()).to_vec();
|
||
{
|
||
for selection in &mut selections {
|
||
let start = selection.start.to_display_point(&display_map, Bias::Left);
|
||
let end = selection.end.to_display_point(&display_map, Bias::Left);
|
||
if start != end {
|
||
selection.goal = SelectionGoal::None;
|
||
}
|
||
|
||
let (start, goal) = movement::down(&display_map, end, selection.goal).unwrap();
|
||
let cursor = display_map.anchor_before(start, Bias::Right);
|
||
selection.start = cursor.clone();
|
||
selection.end = cursor;
|
||
selection.goal = goal;
|
||
selection.reversed = false;
|
||
}
|
||
}
|
||
self.update_selections(selections, true, cx);
|
||
}
|
||
}
|
||
|
||
pub fn select_down(&mut self, _: &SelectDown, cx: &mut ViewContext<Self>) {
|
||
let display_map = self.display_map.update(cx, |map, cx| map.snapshot(cx));
|
||
let mut selections = self.selections(cx).to_vec();
|
||
{
|
||
let app = cx.as_ref();
|
||
let buffer = self.buffer.read(app);
|
||
for selection in &mut selections {
|
||
let head = selection.head().to_display_point(&display_map, Bias::Left);
|
||
let (head, goal) = movement::down(&display_map, head, selection.goal).unwrap();
|
||
selection.set_head(&buffer, display_map.anchor_before(head, Bias::Right));
|
||
selection.goal = goal;
|
||
}
|
||
}
|
||
self.update_selections(selections, true, cx);
|
||
}
|
||
|
||
pub fn move_to_previous_word_boundary(
|
||
&mut self,
|
||
_: &MoveToPreviousWordBoundary,
|
||
cx: &mut ViewContext<Self>,
|
||
) {
|
||
let display_map = self.display_map.update(cx, |map, cx| map.snapshot(cx));
|
||
let mut selections = self.selections(cx).to_vec();
|
||
{
|
||
for selection in &mut selections {
|
||
let head = selection.head().to_display_point(&display_map, Bias::Left);
|
||
let new_head = movement::prev_word_boundary(&display_map, head).unwrap();
|
||
let anchor = display_map.anchor_before(new_head, Bias::Left);
|
||
selection.start = anchor.clone();
|
||
selection.end = anchor;
|
||
selection.reversed = false;
|
||
selection.goal = SelectionGoal::None;
|
||
}
|
||
}
|
||
self.update_selections(selections, true, cx);
|
||
}
|
||
|
||
pub fn select_to_previous_word_boundary(
|
||
&mut self,
|
||
_: &SelectToPreviousWordBoundary,
|
||
cx: &mut ViewContext<Self>,
|
||
) {
|
||
let display_map = self.display_map.update(cx, |map, cx| map.snapshot(cx));
|
||
let mut selections = self.selections(cx).to_vec();
|
||
{
|
||
let buffer = self.buffer.read(cx);
|
||
for selection in &mut selections {
|
||
let head = selection.head().to_display_point(&display_map, Bias::Left);
|
||
let new_head = movement::prev_word_boundary(&display_map, head).unwrap();
|
||
let anchor = display_map.anchor_before(new_head, Bias::Left);
|
||
selection.set_head(buffer, anchor);
|
||
selection.goal = SelectionGoal::None;
|
||
}
|
||
}
|
||
self.update_selections(selections, true, cx);
|
||
}
|
||
|
||
pub fn delete_to_previous_word_boundary(
|
||
&mut self,
|
||
_: &DeleteToPreviousWordBoundary,
|
||
cx: &mut ViewContext<Self>,
|
||
) {
|
||
self.start_transaction(cx);
|
||
self.select_to_previous_word_boundary(&SelectToPreviousWordBoundary, cx);
|
||
self.backspace(&Backspace, cx);
|
||
self.end_transaction(cx);
|
||
}
|
||
|
||
pub fn move_to_next_word_boundary(
|
||
&mut self,
|
||
_: &MoveToNextWordBoundary,
|
||
cx: &mut ViewContext<Self>,
|
||
) {
|
||
let display_map = self.display_map.update(cx, |map, cx| map.snapshot(cx));
|
||
let mut selections = self.selections(cx).to_vec();
|
||
{
|
||
for selection in &mut selections {
|
||
let head = selection.head().to_display_point(&display_map, Bias::Left);
|
||
let new_head = movement::next_word_boundary(&display_map, head).unwrap();
|
||
let anchor = display_map.anchor_before(new_head, Bias::Left);
|
||
selection.start = anchor.clone();
|
||
selection.end = anchor;
|
||
selection.reversed = false;
|
||
selection.goal = SelectionGoal::None;
|
||
}
|
||
}
|
||
self.update_selections(selections, true, cx);
|
||
}
|
||
|
||
pub fn select_to_next_word_boundary(
|
||
&mut self,
|
||
_: &SelectToNextWordBoundary,
|
||
cx: &mut ViewContext<Self>,
|
||
) {
|
||
let display_map = self.display_map.update(cx, |map, cx| map.snapshot(cx));
|
||
let mut selections = self.selections(cx).to_vec();
|
||
{
|
||
let buffer = self.buffer.read(cx);
|
||
for selection in &mut selections {
|
||
let head = selection.head().to_display_point(&display_map, Bias::Left);
|
||
let new_head = movement::next_word_boundary(&display_map, head).unwrap();
|
||
let anchor = display_map.anchor_before(new_head, Bias::Left);
|
||
selection.set_head(buffer, anchor);
|
||
selection.goal = SelectionGoal::None;
|
||
}
|
||
}
|
||
self.update_selections(selections, true, cx);
|
||
}
|
||
|
||
pub fn delete_to_next_word_boundary(
|
||
&mut self,
|
||
_: &DeleteToNextWordBoundary,
|
||
cx: &mut ViewContext<Self>,
|
||
) {
|
||
self.start_transaction(cx);
|
||
self.select_to_next_word_boundary(&SelectToNextWordBoundary, cx);
|
||
self.delete(&Delete, cx);
|
||
self.end_transaction(cx);
|
||
}
|
||
|
||
pub fn move_to_beginning_of_line(
|
||
&mut self,
|
||
_: &MoveToBeginningOfLine,
|
||
cx: &mut ViewContext<Self>,
|
||
) {
|
||
let display_map = self.display_map.update(cx, |map, cx| map.snapshot(cx));
|
||
let mut selections = self.selections(cx).to_vec();
|
||
{
|
||
for selection in &mut selections {
|
||
let head = selection.head().to_display_point(&display_map, Bias::Left);
|
||
let new_head = movement::line_beginning(&display_map, head, true).unwrap();
|
||
let anchor = display_map.anchor_before(new_head, Bias::Left);
|
||
selection.start = anchor.clone();
|
||
selection.end = anchor;
|
||
selection.reversed = false;
|
||
selection.goal = SelectionGoal::None;
|
||
}
|
||
}
|
||
self.update_selections(selections, true, cx);
|
||
}
|
||
|
||
pub fn select_to_beginning_of_line(
|
||
&mut self,
|
||
SelectToBeginningOfLine(toggle_indent): &SelectToBeginningOfLine,
|
||
cx: &mut ViewContext<Self>,
|
||
) {
|
||
let display_map = self.display_map.update(cx, |map, cx| map.snapshot(cx));
|
||
let mut selections = self.selections(cx).to_vec();
|
||
{
|
||
let buffer = self.buffer.read(cx);
|
||
for selection in &mut selections {
|
||
let head = selection.head().to_display_point(&display_map, Bias::Left);
|
||
let new_head =
|
||
movement::line_beginning(&display_map, head, *toggle_indent).unwrap();
|
||
let anchor = display_map.anchor_before(new_head, Bias::Left);
|
||
selection.set_head(buffer, anchor);
|
||
selection.goal = SelectionGoal::None;
|
||
}
|
||
}
|
||
self.update_selections(selections, true, cx);
|
||
}
|
||
|
||
pub fn delete_to_beginning_of_line(
|
||
&mut self,
|
||
_: &DeleteToBeginningOfLine,
|
||
cx: &mut ViewContext<Self>,
|
||
) {
|
||
self.start_transaction(cx);
|
||
self.select_to_beginning_of_line(&SelectToBeginningOfLine(false), cx);
|
||
self.backspace(&Backspace, cx);
|
||
self.end_transaction(cx);
|
||
}
|
||
|
||
pub fn move_to_end_of_line(&mut self, _: &MoveToEndOfLine, cx: &mut ViewContext<Self>) {
|
||
let display_map = self.display_map.update(cx, |map, cx| map.snapshot(cx));
|
||
let mut selections = self.selections(cx).to_vec();
|
||
{
|
||
for selection in &mut selections {
|
||
let head = selection.head().to_display_point(&display_map, Bias::Left);
|
||
let new_head = movement::line_end(&display_map, head).unwrap();
|
||
let anchor = display_map.anchor_before(new_head, Bias::Left);
|
||
selection.start = anchor.clone();
|
||
selection.end = anchor;
|
||
selection.reversed = false;
|
||
selection.goal = SelectionGoal::None;
|
||
}
|
||
}
|
||
self.update_selections(selections, true, cx);
|
||
}
|
||
|
||
pub fn select_to_end_of_line(&mut self, _: &SelectToEndOfLine, cx: &mut ViewContext<Self>) {
|
||
let display_map = self.display_map.update(cx, |map, cx| map.snapshot(cx));
|
||
let mut selections = self.selections(cx).to_vec();
|
||
{
|
||
let buffer = self.buffer.read(cx);
|
||
for selection in &mut selections {
|
||
let head = selection.head().to_display_point(&display_map, Bias::Left);
|
||
let new_head = movement::line_end(&display_map, head).unwrap();
|
||
let anchor = display_map.anchor_before(new_head, Bias::Left);
|
||
selection.set_head(buffer, anchor);
|
||
selection.goal = SelectionGoal::None;
|
||
}
|
||
}
|
||
self.update_selections(selections, true, cx);
|
||
}
|
||
|
||
pub fn delete_to_end_of_line(&mut self, _: &DeleteToEndOfLine, cx: &mut ViewContext<Self>) {
|
||
self.start_transaction(cx);
|
||
self.select_to_end_of_line(&SelectToEndOfLine, cx);
|
||
self.delete(&Delete, cx);
|
||
self.end_transaction(cx);
|
||
}
|
||
|
||
pub fn cut_to_end_of_line(&mut self, _: &CutToEndOfLine, cx: &mut ViewContext<Self>) {
|
||
self.start_transaction(cx);
|
||
self.select_to_end_of_line(&SelectToEndOfLine, cx);
|
||
self.cut(&Cut, cx);
|
||
self.end_transaction(cx);
|
||
}
|
||
|
||
pub fn move_to_beginning(&mut self, _: &MoveToBeginning, cx: &mut ViewContext<Self>) {
|
||
let buffer = self.buffer.read(cx);
|
||
let cursor = buffer.anchor_before(Point::new(0, 0));
|
||
let selection = Selection {
|
||
id: post_inc(&mut self.next_selection_id),
|
||
start: cursor.clone(),
|
||
end: cursor,
|
||
reversed: false,
|
||
goal: SelectionGoal::None,
|
||
};
|
||
self.update_selections(vec![selection], true, cx);
|
||
}
|
||
|
||
pub fn select_to_beginning(&mut self, _: &SelectToBeginning, cx: &mut ViewContext<Self>) {
|
||
let mut selection = self.selections(cx.as_ref()).last().unwrap().clone();
|
||
selection.set_head(self.buffer.read(cx), Anchor::min());
|
||
self.update_selections(vec![selection], true, cx);
|
||
}
|
||
|
||
pub fn move_to_end(&mut self, _: &MoveToEnd, cx: &mut ViewContext<Self>) {
|
||
let buffer = self.buffer.read(cx);
|
||
let cursor = buffer.anchor_before(buffer.max_point());
|
||
let selection = Selection {
|
||
id: post_inc(&mut self.next_selection_id),
|
||
start: cursor.clone(),
|
||
end: cursor,
|
||
reversed: false,
|
||
goal: SelectionGoal::None,
|
||
};
|
||
self.update_selections(vec![selection], true, cx);
|
||
}
|
||
|
||
pub fn select_to_end(&mut self, _: &SelectToEnd, cx: &mut ViewContext<Self>) {
|
||
let mut selection = self.selections(cx.as_ref()).last().unwrap().clone();
|
||
selection.set_head(self.buffer.read(cx), Anchor::max());
|
||
self.update_selections(vec![selection], true, cx);
|
||
}
|
||
|
||
pub fn select_all(&mut self, _: &SelectAll, cx: &mut ViewContext<Self>) {
|
||
let selection = Selection {
|
||
id: post_inc(&mut self.next_selection_id),
|
||
start: Anchor::min(),
|
||
end: Anchor::max(),
|
||
reversed: false,
|
||
goal: SelectionGoal::None,
|
||
};
|
||
self.update_selections(vec![selection], false, cx);
|
||
}
|
||
|
||
pub fn select_line(&mut self, _: &SelectLine, cx: &mut ViewContext<Self>) {
|
||
let display_map = self.display_map.update(cx, |map, cx| map.snapshot(cx));
|
||
let buffer = self.buffer.read(cx);
|
||
let mut selections = self.selections(cx).to_vec();
|
||
let max_point = buffer.max_point();
|
||
for selection in &mut selections {
|
||
let rows = selection.spanned_rows(true, &display_map).buffer_rows;
|
||
selection.start = buffer.anchor_before(Point::new(rows.start, 0));
|
||
selection.end = buffer.anchor_before(cmp::min(max_point, Point::new(rows.end, 0)));
|
||
selection.reversed = false;
|
||
}
|
||
self.update_selections(selections, true, cx);
|
||
}
|
||
|
||
pub fn split_selection_into_lines(
|
||
&mut self,
|
||
_: &SplitSelectionIntoLines,
|
||
cx: &mut ViewContext<Self>,
|
||
) {
|
||
let app = cx.as_ref();
|
||
let buffer = self.buffer.read(app);
|
||
|
||
let mut to_unfold = Vec::new();
|
||
let mut new_selections = Vec::new();
|
||
for selection in self.selections(app) {
|
||
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),
|
||
start: selection.start.clone(),
|
||
end: selection.start.clone(),
|
||
reversed: false,
|
||
goal: SelectionGoal::None,
|
||
});
|
||
}
|
||
for row in range.start.row + 1..range.end.row {
|
||
let cursor = buffer.anchor_before(Point::new(row, buffer.line_len(row)));
|
||
new_selections.push(Selection {
|
||
id: post_inc(&mut self.next_selection_id),
|
||
start: cursor.clone(),
|
||
end: cursor,
|
||
reversed: false,
|
||
goal: SelectionGoal::None,
|
||
});
|
||
}
|
||
new_selections.push(Selection {
|
||
id: selection.id,
|
||
start: selection.end.clone(),
|
||
end: selection.end.clone(),
|
||
reversed: false,
|
||
goal: SelectionGoal::None,
|
||
});
|
||
to_unfold.push(range);
|
||
}
|
||
self.unfold_ranges(to_unfold, cx);
|
||
self.update_selections(new_selections, true, cx);
|
||
}
|
||
|
||
pub fn add_selection_above(&mut self, _: &AddSelectionAbove, cx: &mut ViewContext<Self>) {
|
||
self.add_selection(true, cx);
|
||
}
|
||
|
||
pub fn add_selection_below(&mut self, _: &AddSelectionBelow, cx: &mut ViewContext<Self>) {
|
||
self.add_selection(false, cx);
|
||
}
|
||
|
||
fn add_selection(&mut self, above: bool, cx: &mut ViewContext<Self>) {
|
||
let display_map = self.display_map.update(cx, |map, cx| map.snapshot(cx));
|
||
let mut selections = self.selections(cx).to_vec();
|
||
let mut state = self.add_selections_state.take().unwrap_or_else(|| {
|
||
let oldest_selection = selections.iter().min_by_key(|s| s.id).unwrap().clone();
|
||
let range = oldest_selection.display_range(&display_map).sorted();
|
||
let columns = cmp::min(range.start.column(), range.end.column())
|
||
..cmp::max(range.start.column(), range.end.column());
|
||
|
||
selections.clear();
|
||
let mut stack = Vec::new();
|
||
for row in range.start.row()..=range.end.row() {
|
||
if let Some(selection) = self.build_columnar_selection(
|
||
&display_map,
|
||
row,
|
||
&columns,
|
||
oldest_selection.reversed,
|
||
) {
|
||
stack.push(selection.id);
|
||
selections.push(selection);
|
||
}
|
||
}
|
||
|
||
if above {
|
||
stack.reverse();
|
||
}
|
||
|
||
AddSelectionsState { above, stack }
|
||
});
|
||
|
||
let last_added_selection = *state.stack.last().unwrap();
|
||
let mut new_selections = Vec::new();
|
||
if above == state.above {
|
||
let end_row = if above {
|
||
0
|
||
} else {
|
||
display_map.max_point().row()
|
||
};
|
||
|
||
'outer: for selection in selections {
|
||
if selection.id == last_added_selection {
|
||
let range = selection.display_range(&display_map).sorted();
|
||
debug_assert_eq!(range.start.row(), range.end.row());
|
||
let mut row = range.start.row();
|
||
let columns = if let SelectionGoal::ColumnRange { start, end } = selection.goal
|
||
{
|
||
start..end
|
||
} else {
|
||
cmp::min(range.start.column(), range.end.column())
|
||
..cmp::max(range.start.column(), range.end.column())
|
||
};
|
||
|
||
while row != end_row {
|
||
if above {
|
||
row -= 1;
|
||
} else {
|
||
row += 1;
|
||
}
|
||
|
||
if let Some(new_selection) = self.build_columnar_selection(
|
||
&display_map,
|
||
row,
|
||
&columns,
|
||
selection.reversed,
|
||
) {
|
||
state.stack.push(new_selection.id);
|
||
if above {
|
||
new_selections.push(new_selection);
|
||
new_selections.push(selection);
|
||
} else {
|
||
new_selections.push(selection);
|
||
new_selections.push(new_selection);
|
||
}
|
||
|
||
continue 'outer;
|
||
}
|
||
}
|
||
}
|
||
|
||
new_selections.push(selection);
|
||
}
|
||
} else {
|
||
new_selections = selections;
|
||
new_selections.retain(|s| s.id != last_added_selection);
|
||
state.stack.pop();
|
||
}
|
||
|
||
self.update_selections(new_selections, true, cx);
|
||
if state.stack.len() > 1 {
|
||
self.add_selections_state = Some(state);
|
||
}
|
||
}
|
||
|
||
pub fn select_larger_syntax_node(
|
||
&mut self,
|
||
_: &SelectLargerSyntaxNode,
|
||
cx: &mut ViewContext<Self>,
|
||
) {
|
||
let display_map = self.display_map.update(cx, |map, cx| map.snapshot(cx));
|
||
let buffer = self.buffer.read(cx);
|
||
|
||
let mut stack = mem::take(&mut self.select_larger_syntax_node_stack);
|
||
let mut selected_larger_node = false;
|
||
let old_selections = self.selections(cx).to_vec();
|
||
let mut new_selection_ranges = Vec::new();
|
||
for selection in &old_selections {
|
||
let old_range = selection.start.to_offset(buffer)..selection.end.to_offset(buffer);
|
||
let mut new_range = old_range.clone();
|
||
while let Some(containing_range) = buffer.range_for_syntax_ancestor(new_range.clone()) {
|
||
new_range = containing_range;
|
||
if !display_map.intersects_fold(new_range.start)
|
||
&& !display_map.intersects_fold(new_range.end)
|
||
{
|
||
break;
|
||
}
|
||
}
|
||
|
||
selected_larger_node |= new_range != old_range;
|
||
new_selection_ranges.push((selection.id, new_range, selection.reversed));
|
||
}
|
||
|
||
if selected_larger_node {
|
||
stack.push(old_selections);
|
||
new_selection_ranges.sort_unstable_by_key(|(_, range, _)| range.start.clone());
|
||
let new_selections = new_selection_ranges
|
||
.into_iter()
|
||
.map(|(id, range, reversed)| Selection {
|
||
id,
|
||
start: buffer.anchor_before(range.start),
|
||
end: buffer.anchor_before(range.end),
|
||
reversed,
|
||
goal: SelectionGoal::None,
|
||
})
|
||
.collect();
|
||
self.update_selections(new_selections, true, cx);
|
||
}
|
||
self.select_larger_syntax_node_stack = stack;
|
||
}
|
||
|
||
pub fn select_smaller_syntax_node(
|
||
&mut self,
|
||
_: &SelectSmallerSyntaxNode,
|
||
cx: &mut ViewContext<Self>,
|
||
) {
|
||
let mut stack = mem::take(&mut self.select_larger_syntax_node_stack);
|
||
if let Some(selections) = stack.pop() {
|
||
self.update_selections(selections, true, cx);
|
||
}
|
||
self.select_larger_syntax_node_stack = stack;
|
||
}
|
||
|
||
pub fn move_to_enclosing_bracket(
|
||
&mut self,
|
||
_: &MoveToEnclosingBracket,
|
||
cx: &mut ViewContext<Self>,
|
||
) {
|
||
let buffer = self.buffer.read(cx.as_ref());
|
||
let mut selections = self.selections(cx.as_ref()).to_vec();
|
||
for selection in &mut selections {
|
||
let selection_range = selection.offset_range(buffer);
|
||
if let Some((open_range, close_range)) =
|
||
buffer.enclosing_bracket_ranges(selection_range.clone())
|
||
{
|
||
let close_range = close_range.to_inclusive();
|
||
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, cx);
|
||
}
|
||
|
||
fn build_columnar_selection(
|
||
&mut self,
|
||
display_map: &DisplayMapSnapshot,
|
||
row: u32,
|
||
columns: &Range<u32>,
|
||
reversed: bool,
|
||
) -> Option<Selection> {
|
||
let is_empty = columns.start == columns.end;
|
||
let line_len = display_map.line_len(row);
|
||
if columns.start < line_len || (is_empty && columns.start == line_len) {
|
||
let start = DisplayPoint::new(row, columns.start);
|
||
let end = DisplayPoint::new(row, cmp::min(columns.end, line_len));
|
||
Some(Selection {
|
||
id: post_inc(&mut self.next_selection_id),
|
||
start: display_map.anchor_before(start, Bias::Left),
|
||
end: display_map.anchor_before(end, Bias::Left),
|
||
reversed,
|
||
goal: SelectionGoal::ColumnRange {
|
||
start: columns.start,
|
||
end: columns.end,
|
||
},
|
||
})
|
||
} else {
|
||
None
|
||
}
|
||
}
|
||
|
||
pub fn active_selection_sets<'a>(
|
||
&'a self,
|
||
cx: &'a AppContext,
|
||
) -> impl 'a + Iterator<Item = SelectionSetId> {
|
||
let buffer = self.buffer.read(cx);
|
||
let replica_id = buffer.replica_id();
|
||
buffer
|
||
.selection_sets()
|
||
.filter(move |(set_id, set)| {
|
||
set.active && (set_id.replica_id != replica_id || **set_id == self.selection_set_id)
|
||
})
|
||
.map(|(set_id, _)| *set_id)
|
||
}
|
||
|
||
pub fn selections_in_range<'a>(
|
||
&'a self,
|
||
set_id: SelectionSetId,
|
||
range: Range<DisplayPoint>,
|
||
cx: &'a mut MutableAppContext,
|
||
) -> impl 'a + Iterator<Item = Range<DisplayPoint>> {
|
||
let display_map = self.display_map.update(cx, |map, cx| map.snapshot(cx));
|
||
let buffer = self.buffer.read(cx);
|
||
let selections = &buffer.selection_set(set_id).unwrap().selections;
|
||
let start = display_map.anchor_before(range.start, Bias::Left);
|
||
let start_index = self.selection_insertion_index(selections, &start, cx);
|
||
let pending_selection = if set_id.replica_id == self.buffer.read(cx).replica_id() {
|
||
self.pending_selection.as_ref().and_then(|s| {
|
||
let selection_range = s.display_range(&display_map);
|
||
if selection_range.start <= range.end || selection_range.end <= range.end {
|
||
Some(selection_range)
|
||
} else {
|
||
None
|
||
}
|
||
})
|
||
} else {
|
||
None
|
||
};
|
||
selections[start_index..]
|
||
.iter()
|
||
.map(move |s| s.display_range(&display_map))
|
||
.take_while(move |r| r.start <= range.end || r.end <= range.end)
|
||
.chain(pending_selection)
|
||
}
|
||
|
||
fn selection_insertion_index(
|
||
&self,
|
||
selections: &[Selection],
|
||
start: &Anchor,
|
||
cx: &AppContext,
|
||
) -> usize {
|
||
let buffer = self.buffer.read(cx);
|
||
match selections.binary_search_by(|probe| probe.start.cmp(&start, buffer).unwrap()) {
|
||
Ok(index) => index,
|
||
Err(index) => {
|
||
if index > 0
|
||
&& selections[index - 1].end.cmp(&start, buffer).unwrap() == Ordering::Greater
|
||
{
|
||
index - 1
|
||
} else {
|
||
index
|
||
}
|
||
}
|
||
}
|
||
}
|
||
|
||
fn selections<'a>(&self, cx: &'a AppContext) -> &'a [Selection] {
|
||
let buffer = self.buffer.read(cx);
|
||
&buffer
|
||
.selection_set(self.selection_set_id)
|
||
.unwrap()
|
||
.selections
|
||
}
|
||
|
||
fn update_selections(
|
||
&mut self,
|
||
mut selections: Vec<Selection>,
|
||
autoscroll: bool,
|
||
cx: &mut ViewContext<Self>,
|
||
) {
|
||
// Merge overlapping selections.
|
||
let buffer = self.buffer.read(cx);
|
||
let mut i = 1;
|
||
while i < selections.len() {
|
||
if selections[i - 1]
|
||
.end
|
||
.cmp(&selections[i].start, buffer)
|
||
.unwrap()
|
||
>= Ordering::Equal
|
||
{
|
||
let removed = selections.remove(i);
|
||
if removed.start.cmp(&selections[i - 1].start, buffer).unwrap() < Ordering::Equal {
|
||
selections[i - 1].start = removed.start;
|
||
}
|
||
if removed.end.cmp(&selections[i - 1].end, buffer).unwrap() > Ordering::Equal {
|
||
selections[i - 1].end = removed.end;
|
||
}
|
||
} else {
|
||
i += 1;
|
||
}
|
||
}
|
||
|
||
self.buffer.update(cx, |buffer, cx| {
|
||
buffer
|
||
.update_selection_set(self.selection_set_id, selections, cx)
|
||
.unwrap();
|
||
});
|
||
self.pause_cursor_blinking(cx);
|
||
|
||
if autoscroll {
|
||
self.autoscroll_requested = true;
|
||
cx.notify();
|
||
}
|
||
|
||
self.add_selections_state = None;
|
||
self.select_larger_syntax_node_stack.clear();
|
||
}
|
||
|
||
fn start_transaction(&self, cx: &mut ViewContext<Self>) {
|
||
self.buffer.update(cx, |buffer, _| {
|
||
buffer
|
||
.start_transaction(Some(self.selection_set_id))
|
||
.unwrap()
|
||
});
|
||
}
|
||
|
||
fn end_transaction(&self, cx: &mut ViewContext<Self>) {
|
||
self.buffer.update(cx, |buffer, cx| {
|
||
buffer
|
||
.end_transaction(Some(self.selection_set_id), cx)
|
||
.unwrap()
|
||
});
|
||
}
|
||
|
||
pub fn page_up(&mut self, _: &PageUp, _: &mut ViewContext<Self>) {
|
||
log::info!("Editor::page_up");
|
||
}
|
||
|
||
pub fn page_down(&mut self, _: &PageDown, _: &mut ViewContext<Self>) {
|
||
log::info!("Editor::page_down");
|
||
}
|
||
|
||
pub fn fold(&mut self, _: &Fold, cx: &mut ViewContext<Self>) {
|
||
let mut fold_ranges = Vec::new();
|
||
|
||
let display_map = self.display_map.update(cx, |map, cx| map.snapshot(cx));
|
||
for selection in self.selections(cx) {
|
||
let range = selection.display_range(&display_map).sorted();
|
||
let buffer_start_row = range.start.to_buffer_point(&display_map, Bias::Left).row;
|
||
|
||
for row in (0..=range.end.row()).rev() {
|
||
if self.is_line_foldable(&display_map, row) && !display_map.is_line_folded(row) {
|
||
let fold_range = self.foldable_range_for_line(&display_map, row);
|
||
if fold_range.end.row >= buffer_start_row {
|
||
fold_ranges.push(fold_range);
|
||
if row <= range.start.row() {
|
||
break;
|
||
}
|
||
}
|
||
}
|
||
}
|
||
}
|
||
|
||
self.fold_ranges(fold_ranges, cx);
|
||
}
|
||
|
||
pub fn unfold(&mut self, _: &Unfold, cx: &mut ViewContext<Self>) {
|
||
let display_map = self.display_map.update(cx, |map, cx| map.snapshot(cx));
|
||
let buffer = self.buffer.read(cx);
|
||
let ranges = self
|
||
.selections(cx)
|
||
.iter()
|
||
.map(|s| {
|
||
let range = s.display_range(&display_map).sorted();
|
||
let mut start = range.start.to_buffer_point(&display_map, Bias::Left);
|
||
let mut end = range.end.to_buffer_point(&display_map, Bias::Left);
|
||
start.column = 0;
|
||
end.column = buffer.line_len(end.row);
|
||
start..end
|
||
})
|
||
.collect::<Vec<_>>();
|
||
self.unfold_ranges(ranges, cx);
|
||
}
|
||
|
||
fn is_line_foldable(&self, display_map: &DisplayMapSnapshot, display_row: u32) -> bool {
|
||
let max_point = display_map.max_point();
|
||
if display_row >= max_point.row() {
|
||
false
|
||
} else {
|
||
let (start_indent, is_blank) = display_map.line_indent(display_row);
|
||
if is_blank {
|
||
false
|
||
} else {
|
||
for display_row in display_row + 1..=max_point.row() {
|
||
let (indent, is_blank) = display_map.line_indent(display_row);
|
||
if !is_blank {
|
||
return indent > start_indent;
|
||
}
|
||
}
|
||
false
|
||
}
|
||
}
|
||
}
|
||
|
||
fn foldable_range_for_line(
|
||
&self,
|
||
display_map: &DisplayMapSnapshot,
|
||
start_row: u32,
|
||
) -> Range<Point> {
|
||
let max_point = display_map.max_point();
|
||
|
||
let (start_indent, _) = display_map.line_indent(start_row);
|
||
let start = DisplayPoint::new(start_row, display_map.line_len(start_row));
|
||
let mut end = None;
|
||
for row in start_row + 1..=max_point.row() {
|
||
let (indent, is_blank) = display_map.line_indent(row);
|
||
if !is_blank && indent <= start_indent {
|
||
end = Some(DisplayPoint::new(row - 1, display_map.line_len(row - 1)));
|
||
break;
|
||
}
|
||
}
|
||
|
||
let end = end.unwrap_or(max_point);
|
||
return start.to_buffer_point(display_map, Bias::Left)
|
||
..end.to_buffer_point(display_map, Bias::Left);
|
||
}
|
||
|
||
pub fn fold_selected_ranges(&mut self, _: &FoldSelectedRanges, cx: &mut ViewContext<Self>) {
|
||
let buffer = self.buffer.read(cx);
|
||
let ranges = self
|
||
.selections(cx.as_ref())
|
||
.iter()
|
||
.map(|s| s.point_range(buffer).sorted())
|
||
.collect();
|
||
self.fold_ranges(ranges, cx);
|
||
}
|
||
|
||
fn fold_ranges<T: ToOffset>(&mut self, ranges: Vec<Range<T>>, cx: &mut ViewContext<Self>) {
|
||
if !ranges.is_empty() {
|
||
self.display_map.update(cx, |map, cx| map.fold(ranges, cx));
|
||
self.autoscroll_requested = true;
|
||
cx.notify();
|
||
}
|
||
}
|
||
|
||
fn unfold_ranges<T: ToOffset>(&mut self, ranges: Vec<Range<T>>, cx: &mut ViewContext<Self>) {
|
||
if !ranges.is_empty() {
|
||
self.display_map
|
||
.update(cx, |map, cx| map.unfold(ranges, cx));
|
||
self.autoscroll_requested = true;
|
||
cx.notify();
|
||
}
|
||
}
|
||
|
||
pub fn longest_row(&self, cx: &mut MutableAppContext) -> u32 {
|
||
self.display_map
|
||
.update(cx, |map, cx| map.snapshot(cx))
|
||
.longest_row()
|
||
}
|
||
|
||
pub fn max_point(&self, cx: &mut MutableAppContext) -> DisplayPoint {
|
||
self.display_map
|
||
.update(cx, |map, cx| map.snapshot(cx))
|
||
.max_point()
|
||
}
|
||
|
||
pub fn text(&self, cx: &AppContext) -> String {
|
||
self.buffer.read(cx).text()
|
||
}
|
||
|
||
pub fn display_text(&self, cx: &mut MutableAppContext) -> String {
|
||
self.display_map
|
||
.update(cx, |map, cx| map.snapshot(cx))
|
||
.text()
|
||
}
|
||
|
||
pub fn font_size(&self) -> f32 {
|
||
self.settings.borrow().buffer_font_size
|
||
}
|
||
|
||
pub fn set_wrap_width(&self, width: f32, cx: &mut MutableAppContext) -> bool {
|
||
self.display_map
|
||
.update(cx, |map, cx| map.set_wrap_width(Some(width), cx))
|
||
}
|
||
|
||
fn next_blink_epoch(&mut self) -> usize {
|
||
self.blink_epoch += 1;
|
||
self.blink_epoch
|
||
}
|
||
|
||
fn pause_cursor_blinking(&mut self, cx: &mut ViewContext<Self>) {
|
||
self.cursors_visible = true;
|
||
cx.notify();
|
||
|
||
let epoch = self.next_blink_epoch();
|
||
cx.spawn(|this, mut cx| {
|
||
let this = this.downgrade();
|
||
async move {
|
||
Timer::after(CURSOR_BLINK_INTERVAL).await;
|
||
if let Some(this) = cx.read(|cx| this.upgrade(cx)) {
|
||
this.update(&mut cx, |this, cx| this.resume_cursor_blinking(epoch, cx))
|
||
}
|
||
}
|
||
})
|
||
.detach();
|
||
}
|
||
|
||
fn resume_cursor_blinking(&mut self, epoch: usize, cx: &mut ViewContext<Self>) {
|
||
if epoch == self.blink_epoch {
|
||
self.blinking_paused = false;
|
||
self.blink_cursors(epoch, cx);
|
||
}
|
||
}
|
||
|
||
fn blink_cursors(&mut self, epoch: usize, cx: &mut ViewContext<Self>) {
|
||
if epoch == self.blink_epoch && self.focused && !self.blinking_paused {
|
||
self.cursors_visible = !self.cursors_visible;
|
||
cx.notify();
|
||
|
||
let epoch = self.next_blink_epoch();
|
||
cx.spawn(|this, mut cx| {
|
||
let this = this.downgrade();
|
||
async move {
|
||
Timer::after(CURSOR_BLINK_INTERVAL).await;
|
||
if let Some(this) = cx.read(|cx| this.upgrade(cx)) {
|
||
this.update(&mut cx, |this, cx| this.blink_cursors(epoch, cx));
|
||
}
|
||
}
|
||
})
|
||
.detach();
|
||
}
|
||
}
|
||
|
||
pub fn cursors_visible(&self) -> bool {
|
||
self.cursors_visible
|
||
}
|
||
|
||
fn on_buffer_changed(&mut self, _: ModelHandle<Buffer>, cx: &mut ViewContext<Self>) {
|
||
cx.notify();
|
||
}
|
||
|
||
fn on_buffer_event(
|
||
&mut self,
|
||
_: ModelHandle<Buffer>,
|
||
event: &buffer::Event,
|
||
cx: &mut ViewContext<Self>,
|
||
) {
|
||
match event {
|
||
buffer::Event::Edited => cx.emit(Event::Edited),
|
||
buffer::Event::Dirtied => cx.emit(Event::Dirtied),
|
||
buffer::Event::Saved => cx.emit(Event::Saved),
|
||
buffer::Event::FileHandleChanged => cx.emit(Event::FileHandleChanged),
|
||
buffer::Event::Reloaded => cx.emit(Event::FileHandleChanged),
|
||
buffer::Event::Reparsed => {}
|
||
}
|
||
}
|
||
|
||
fn on_display_map_changed(&mut self, _: ModelHandle<DisplayMap>, cx: &mut ViewContext<Self>) {
|
||
cx.notify();
|
||
}
|
||
}
|
||
|
||
impl Snapshot {
|
||
pub fn scroll_position(&self) -> Vector2F {
|
||
compute_scroll_position(
|
||
&self.display_snapshot,
|
||
self.scroll_position,
|
||
&self.scroll_top_anchor,
|
||
)
|
||
}
|
||
|
||
pub fn max_point(&self) -> DisplayPoint {
|
||
self.display_snapshot.max_point()
|
||
}
|
||
|
||
pub fn longest_row(&self) -> u32 {
|
||
self.display_snapshot.longest_row()
|
||
}
|
||
|
||
pub fn line_len(&self, display_row: u32) -> u32 {
|
||
self.display_snapshot.line_len(display_row)
|
||
}
|
||
|
||
pub fn font_ascent(&self, font_cache: &FontCache) -> f32 {
|
||
let font_id = font_cache.default_font(self.font_family);
|
||
let ascent = font_cache.metric(font_id, |m| m.ascent);
|
||
font_cache.scale_metric(ascent, font_id, self.font_size)
|
||
}
|
||
|
||
pub fn font_descent(&self, font_cache: &FontCache) -> f32 {
|
||
let font_id = font_cache.default_font(self.font_family);
|
||
let descent = font_cache.metric(font_id, |m| m.descent);
|
||
font_cache.scale_metric(descent, font_id, self.font_size)
|
||
}
|
||
|
||
pub fn line_height(&self, font_cache: &FontCache) -> f32 {
|
||
let font_id = font_cache.default_font(self.font_family);
|
||
font_cache.line_height(font_id, self.font_size).ceil()
|
||
}
|
||
|
||
pub fn em_width(&self, font_cache: &FontCache) -> f32 {
|
||
let font_id = font_cache.default_font(self.font_family);
|
||
font_cache.em_width(font_id, self.font_size)
|
||
}
|
||
|
||
// TODO: Can we make this not return a result?
|
||
pub fn max_line_number_width(
|
||
&self,
|
||
font_cache: &FontCache,
|
||
layout_cache: &TextLayoutCache,
|
||
) -> Result<f32> {
|
||
let font_size = self.font_size;
|
||
let font_id = font_cache.select_font(self.font_family, &FontProperties::new())?;
|
||
let digit_count = (self.display_snapshot.buffer_row_count() as f32)
|
||
.log10()
|
||
.floor() as usize
|
||
+ 1;
|
||
|
||
Ok(layout_cache
|
||
.layout_str(
|
||
"1".repeat(digit_count).as_str(),
|
||
font_size,
|
||
&[(
|
||
digit_count,
|
||
RunStyle {
|
||
font_id,
|
||
color: Color::black(),
|
||
underline: false,
|
||
},
|
||
)],
|
||
)
|
||
.width())
|
||
}
|
||
|
||
pub fn layout_line_numbers(
|
||
&self,
|
||
rows: Range<u32>,
|
||
active_rows: &BTreeMap<u32, bool>,
|
||
font_cache: &FontCache,
|
||
layout_cache: &TextLayoutCache,
|
||
theme: &Theme,
|
||
) -> Result<Vec<Option<text_layout::Line>>> {
|
||
let font_id = font_cache.select_font(self.font_family, &FontProperties::new())?;
|
||
|
||
let mut layouts = Vec::with_capacity(rows.len());
|
||
let mut line_number = String::new();
|
||
for (ix, (buffer_row, soft_wrapped)) in self
|
||
.display_snapshot
|
||
.buffer_rows(rows.start)
|
||
.take((rows.end - rows.start) as usize)
|
||
.enumerate()
|
||
{
|
||
let display_row = rows.start + ix as u32;
|
||
let color = if active_rows.contains_key(&display_row) {
|
||
theme.editor.line_number_active
|
||
} else {
|
||
theme.editor.line_number
|
||
};
|
||
if soft_wrapped {
|
||
layouts.push(None);
|
||
} else {
|
||
line_number.clear();
|
||
write!(&mut line_number, "{}", buffer_row + 1).unwrap();
|
||
layouts.push(Some(layout_cache.layout_str(
|
||
&line_number,
|
||
self.font_size,
|
||
&[(
|
||
line_number.len(),
|
||
RunStyle {
|
||
font_id,
|
||
color,
|
||
underline: false,
|
||
},
|
||
)],
|
||
)));
|
||
}
|
||
}
|
||
|
||
Ok(layouts)
|
||
}
|
||
|
||
pub fn layout_lines(
|
||
&mut self,
|
||
mut rows: Range<u32>,
|
||
style: &EditorStyle,
|
||
font_cache: &FontCache,
|
||
layout_cache: &TextLayoutCache,
|
||
) -> Result<Vec<text_layout::Line>> {
|
||
rows.end = cmp::min(rows.end, self.display_snapshot.max_point().row() + 1);
|
||
if rows.start >= rows.end {
|
||
return Ok(Vec::new());
|
||
}
|
||
|
||
// When the editor is empty and unfocused, then show the placeholder.
|
||
if self.display_snapshot.is_empty() && !self.is_focused {
|
||
let placeholder_lines = self
|
||
.placeholder_text
|
||
.as_ref()
|
||
.map_or("", AsRef::as_ref)
|
||
.split('\n')
|
||
.skip(rows.start as usize)
|
||
.take(rows.len());
|
||
let font_id = font_cache
|
||
.select_font(self.font_family, &style.placeholder_text.font_properties)?;
|
||
return Ok(placeholder_lines
|
||
.into_iter()
|
||
.map(|line| {
|
||
layout_cache.layout_str(
|
||
line,
|
||
self.font_size,
|
||
&[(
|
||
line.len(),
|
||
RunStyle {
|
||
font_id,
|
||
color: style.placeholder_text.color,
|
||
underline: false,
|
||
},
|
||
)],
|
||
)
|
||
})
|
||
.collect());
|
||
}
|
||
|
||
let mut prev_font_properties = FontProperties::new();
|
||
let mut prev_font_id = font_cache
|
||
.select_font(self.font_family, &prev_font_properties)
|
||
.unwrap();
|
||
|
||
let mut layouts = Vec::with_capacity(rows.len());
|
||
let mut line = String::new();
|
||
let mut styles = Vec::new();
|
||
let mut row = rows.start;
|
||
let mut line_exceeded_max_len = false;
|
||
let chunks = self
|
||
.display_snapshot
|
||
.highlighted_chunks_for_rows(rows.clone());
|
||
|
||
'outer: for (chunk, style_ix) in chunks.chain(Some(("\n", HighlightId::default()))) {
|
||
for (ix, mut line_chunk) in chunk.split('\n').enumerate() {
|
||
if ix > 0 {
|
||
layouts.push(layout_cache.layout_str(&line, self.font_size, &styles));
|
||
line.clear();
|
||
styles.clear();
|
||
row += 1;
|
||
line_exceeded_max_len = false;
|
||
if row == rows.end {
|
||
break 'outer;
|
||
}
|
||
}
|
||
|
||
if !line_chunk.is_empty() && !line_exceeded_max_len {
|
||
let style = self
|
||
.theme
|
||
.syntax
|
||
.highlight_style(style_ix)
|
||
.unwrap_or(style.text.clone());
|
||
// Avoid a lookup if the font properties match the previous ones.
|
||
let font_id = if style.font_properties == prev_font_properties {
|
||
prev_font_id
|
||
} else {
|
||
font_cache.select_font(self.font_family, &style.font_properties)?
|
||
};
|
||
|
||
if line.len() + line_chunk.len() > MAX_LINE_LEN {
|
||
let mut chunk_len = MAX_LINE_LEN - line.len();
|
||
while !line_chunk.is_char_boundary(chunk_len) {
|
||
chunk_len -= 1;
|
||
}
|
||
line_chunk = &line_chunk[..chunk_len];
|
||
line_exceeded_max_len = true;
|
||
}
|
||
|
||
line.push_str(line_chunk);
|
||
styles.push((
|
||
line_chunk.len(),
|
||
RunStyle {
|
||
font_id,
|
||
color: style.color,
|
||
underline: style.underline,
|
||
},
|
||
));
|
||
prev_font_id = font_id;
|
||
prev_font_properties = style.font_properties;
|
||
}
|
||
}
|
||
}
|
||
|
||
Ok(layouts)
|
||
}
|
||
|
||
pub fn layout_line(
|
||
&self,
|
||
row: u32,
|
||
font_cache: &FontCache,
|
||
layout_cache: &TextLayoutCache,
|
||
) -> Result<text_layout::Line> {
|
||
let font_id = font_cache.select_font(self.font_family, &FontProperties::new())?;
|
||
|
||
let mut line = self.display_snapshot.line(row);
|
||
|
||
if line.len() > MAX_LINE_LEN {
|
||
let mut len = MAX_LINE_LEN;
|
||
while !line.is_char_boundary(len) {
|
||
len -= 1;
|
||
}
|
||
line.truncate(len);
|
||
}
|
||
|
||
Ok(layout_cache.layout_str(
|
||
&line,
|
||
self.font_size,
|
||
&[(
|
||
self.display_snapshot.line_len(row) as usize,
|
||
RunStyle {
|
||
font_id,
|
||
color: Color::black(),
|
||
underline: false,
|
||
},
|
||
)],
|
||
))
|
||
}
|
||
|
||
pub fn prev_row_boundary(&self, point: DisplayPoint) -> (DisplayPoint, Point) {
|
||
self.display_snapshot.prev_row_boundary(point)
|
||
}
|
||
|
||
pub fn next_row_boundary(&self, point: DisplayPoint) -> (DisplayPoint, Point) {
|
||
self.display_snapshot.next_row_boundary(point)
|
||
}
|
||
}
|
||
|
||
fn compute_scroll_position(
|
||
snapshot: &DisplayMapSnapshot,
|
||
mut scroll_position: Vector2F,
|
||
scroll_top_anchor: &Anchor,
|
||
) -> Vector2F {
|
||
let scroll_top = scroll_top_anchor
|
||
.to_display_point(snapshot, Bias::Left)
|
||
.row() as f32;
|
||
scroll_position.set_y(scroll_top + scroll_position.y());
|
||
scroll_position
|
||
}
|
||
|
||
pub enum Event {
|
||
Activate,
|
||
Edited,
|
||
Blurred,
|
||
Dirtied,
|
||
Saved,
|
||
FileHandleChanged,
|
||
}
|
||
|
||
impl Entity for Editor {
|
||
type Event = Event;
|
||
|
||
fn release(&mut self, cx: &mut MutableAppContext) {
|
||
self.buffer.update(cx, |buffer, cx| {
|
||
buffer
|
||
.remove_selection_set(self.selection_set_id, cx)
|
||
.unwrap();
|
||
});
|
||
}
|
||
}
|
||
|
||
impl View for Editor {
|
||
fn render(&mut self, cx: &mut RenderContext<Self>) -> ElementBox {
|
||
let style = self
|
||
.build_style
|
||
.as_ref()
|
||
.map_or(Default::default(), |build| (build.borrow_mut())(cx));
|
||
EditorElement::new(self.handle.clone(), style).boxed()
|
||
}
|
||
|
||
fn ui_name() -> &'static str {
|
||
"Editor"
|
||
}
|
||
|
||
fn on_focus(&mut self, cx: &mut ViewContext<Self>) {
|
||
self.focused = true;
|
||
self.blink_cursors(self.blink_epoch, cx);
|
||
self.buffer.update(cx, |buffer, cx| {
|
||
buffer
|
||
.set_active_selection_set(Some(self.selection_set_id), cx)
|
||
.unwrap();
|
||
});
|
||
}
|
||
|
||
fn on_blur(&mut self, cx: &mut ViewContext<Self>) {
|
||
self.focused = false;
|
||
self.cursors_visible = false;
|
||
self.buffer.update(cx, |buffer, cx| {
|
||
buffer.set_active_selection_set(None, cx).unwrap();
|
||
});
|
||
cx.emit(Event::Blurred);
|
||
cx.notify();
|
||
}
|
||
|
||
fn keymap_context(&self, _: &AppContext) -> gpui::keymap::Context {
|
||
let mut cx = Self::default_keymap_context();
|
||
let mode = match self.mode {
|
||
EditorMode::SingleLine => "single_line",
|
||
EditorMode::AutoHeight { .. } => "auto_height",
|
||
EditorMode::Full => "full",
|
||
};
|
||
cx.map.insert("mode".into(), mode.into());
|
||
cx
|
||
}
|
||
}
|
||
|
||
impl workspace::Item for Buffer {
|
||
type View = Editor;
|
||
|
||
fn file(&self) -> Option<&File> {
|
||
self.file()
|
||
}
|
||
|
||
fn build_view(
|
||
handle: ModelHandle<Self>,
|
||
settings: watch::Receiver<Settings>,
|
||
cx: &mut ViewContext<Self::View>,
|
||
) -> Self::View {
|
||
Editor::for_buffer(handle, settings.clone(), cx)
|
||
.with_style(move |_| settings.borrow().theme.editor.clone())
|
||
}
|
||
}
|
||
|
||
impl workspace::ItemView for Editor {
|
||
fn should_activate_item_on_event(event: &Self::Event) -> bool {
|
||
matches!(event, Event::Activate)
|
||
}
|
||
|
||
fn should_update_tab_on_event(event: &Self::Event) -> bool {
|
||
matches!(
|
||
event,
|
||
Event::Saved | Event::Dirtied | Event::FileHandleChanged
|
||
)
|
||
}
|
||
|
||
fn title(&self, cx: &AppContext) -> std::string::String {
|
||
let filename = self
|
||
.buffer
|
||
.read(cx)
|
||
.file()
|
||
.and_then(|file| file.file_name(cx));
|
||
if let Some(name) = filename {
|
||
name.to_string_lossy().into()
|
||
} else {
|
||
"untitled".into()
|
||
}
|
||
}
|
||
|
||
fn entry_id(&self, cx: &AppContext) -> Option<(usize, Arc<Path>)> {
|
||
self.buffer.read(cx).file().map(|file| file.entry_id())
|
||
}
|
||
|
||
fn clone_on_split(&self, cx: &mut ViewContext<Self>) -> Option<Self>
|
||
where
|
||
Self: Sized,
|
||
{
|
||
let mut clone = Editor::for_buffer(self.buffer.clone(), self.settings.clone(), cx);
|
||
clone.scroll_position = self.scroll_position;
|
||
clone.scroll_top_anchor = self.scroll_top_anchor.clone();
|
||
clone.build_style = self.build_style.clone();
|
||
Some(clone)
|
||
}
|
||
|
||
fn save(&mut self, cx: &mut ViewContext<Self>) -> Result<Task<Result<()>>> {
|
||
let save = self.buffer.update(cx, |b, cx| b.save(cx))?;
|
||
Ok(cx.spawn(|_, _| async move {
|
||
save.await?;
|
||
Ok(())
|
||
}))
|
||
}
|
||
|
||
fn save_as(
|
||
&mut self,
|
||
worktree: &ModelHandle<Worktree>,
|
||
path: &Path,
|
||
cx: &mut ViewContext<Self>,
|
||
) -> Task<Result<()>> {
|
||
self.buffer
|
||
.update(cx, |b, cx| b.save_as(worktree, path, cx))
|
||
}
|
||
|
||
fn is_dirty(&self, cx: &AppContext) -> bool {
|
||
self.buffer.read(cx).is_dirty()
|
||
}
|
||
|
||
fn has_conflict(&self, cx: &AppContext) -> bool {
|
||
self.buffer.read(cx).has_conflict()
|
||
}
|
||
}
|
||
|
||
#[cfg(test)]
|
||
mod tests {
|
||
use super::*;
|
||
use crate::{editor::Point, language::LanguageRegistry, settings, test::sample_text};
|
||
use buffer::History;
|
||
use unindent::Unindent;
|
||
|
||
#[gpui::test]
|
||
fn test_selection_with_mouse(cx: &mut gpui::MutableAppContext) {
|
||
let buffer = cx.add_model(|cx| Buffer::new(0, "aaaaaa\nbbbbbb\ncccccc\ndddddd\n", cx));
|
||
let settings = settings::test(&cx).1;
|
||
let (_, editor) = cx.add_window(Default::default(), |cx| {
|
||
Editor::for_buffer(buffer, settings, cx)
|
||
});
|
||
|
||
editor.update(cx, |view, cx| {
|
||
view.begin_selection(DisplayPoint::new(2, 2), false, cx);
|
||
});
|
||
|
||
assert_eq!(
|
||
editor.update(cx, |view, cx| view.selection_ranges(cx)),
|
||
[DisplayPoint::new(2, 2)..DisplayPoint::new(2, 2)]
|
||
);
|
||
|
||
editor.update(cx, |view, cx| {
|
||
view.update_selection(DisplayPoint::new(3, 3), Vector2F::zero(), cx);
|
||
});
|
||
|
||
assert_eq!(
|
||
editor.update(cx, |view, cx| view.selection_ranges(cx)),
|
||
[DisplayPoint::new(2, 2)..DisplayPoint::new(3, 3)]
|
||
);
|
||
|
||
editor.update(cx, |view, cx| {
|
||
view.update_selection(DisplayPoint::new(1, 1), Vector2F::zero(), cx);
|
||
});
|
||
|
||
assert_eq!(
|
||
editor.update(cx, |view, cx| view.selection_ranges(cx)),
|
||
[DisplayPoint::new(2, 2)..DisplayPoint::new(1, 1)]
|
||
);
|
||
|
||
editor.update(cx, |view, cx| {
|
||
view.end_selection(cx);
|
||
view.update_selection(DisplayPoint::new(3, 3), Vector2F::zero(), cx);
|
||
});
|
||
|
||
assert_eq!(
|
||
editor.update(cx, |view, cx| view.selection_ranges(cx)),
|
||
[DisplayPoint::new(2, 2)..DisplayPoint::new(1, 1)]
|
||
);
|
||
|
||
editor.update(cx, |view, cx| {
|
||
view.begin_selection(DisplayPoint::new(3, 3), true, cx);
|
||
view.update_selection(DisplayPoint::new(0, 0), Vector2F::zero(), cx);
|
||
});
|
||
|
||
assert_eq!(
|
||
editor.update(cx, |view, cx| view.selection_ranges(cx)),
|
||
[
|
||
DisplayPoint::new(2, 2)..DisplayPoint::new(1, 1),
|
||
DisplayPoint::new(3, 3)..DisplayPoint::new(0, 0)
|
||
]
|
||
);
|
||
|
||
editor.update(cx, |view, cx| {
|
||
view.end_selection(cx);
|
||
});
|
||
|
||
assert_eq!(
|
||
editor.update(cx, |view, cx| view.selection_ranges(cx)),
|
||
[DisplayPoint::new(3, 3)..DisplayPoint::new(0, 0)]
|
||
);
|
||
}
|
||
|
||
#[gpui::test]
|
||
fn test_canceling_pending_selection(cx: &mut gpui::MutableAppContext) {
|
||
let buffer = cx.add_model(|cx| Buffer::new(0, "aaaaaa\nbbbbbb\ncccccc\ndddddd\n", cx));
|
||
let settings = settings::test(&cx).1;
|
||
let (_, view) = cx.add_window(Default::default(), |cx| {
|
||
Editor::for_buffer(buffer, settings, cx)
|
||
});
|
||
|
||
view.update(cx, |view, cx| {
|
||
view.begin_selection(DisplayPoint::new(2, 2), false, cx);
|
||
assert_eq!(
|
||
view.selection_ranges(cx),
|
||
[DisplayPoint::new(2, 2)..DisplayPoint::new(2, 2)]
|
||
);
|
||
});
|
||
|
||
view.update(cx, |view, cx| {
|
||
view.update_selection(DisplayPoint::new(3, 3), Vector2F::zero(), cx);
|
||
assert_eq!(
|
||
view.selection_ranges(cx),
|
||
[DisplayPoint::new(2, 2)..DisplayPoint::new(3, 3)]
|
||
);
|
||
});
|
||
|
||
view.update(cx, |view, cx| {
|
||
view.cancel(&Cancel, cx);
|
||
view.update_selection(DisplayPoint::new(1, 1), Vector2F::zero(), cx);
|
||
assert_eq!(
|
||
view.selection_ranges(cx),
|
||
[DisplayPoint::new(2, 2)..DisplayPoint::new(3, 3)]
|
||
);
|
||
});
|
||
}
|
||
|
||
#[gpui::test]
|
||
fn test_cancel(cx: &mut gpui::MutableAppContext) {
|
||
let buffer = cx.add_model(|cx| Buffer::new(0, "aaaaaa\nbbbbbb\ncccccc\ndddddd\n", cx));
|
||
let settings = settings::test(&cx).1;
|
||
let (_, view) = cx.add_window(Default::default(), |cx| {
|
||
Editor::for_buffer(buffer, settings, cx)
|
||
});
|
||
|
||
view.update(cx, |view, cx| {
|
||
view.begin_selection(DisplayPoint::new(3, 4), false, cx);
|
||
view.update_selection(DisplayPoint::new(1, 1), Vector2F::zero(), cx);
|
||
view.end_selection(cx);
|
||
|
||
view.begin_selection(DisplayPoint::new(0, 1), true, cx);
|
||
view.update_selection(DisplayPoint::new(0, 3), Vector2F::zero(), cx);
|
||
view.end_selection(cx);
|
||
assert_eq!(
|
||
view.selection_ranges(cx),
|
||
[
|
||
DisplayPoint::new(0, 1)..DisplayPoint::new(0, 3),
|
||
DisplayPoint::new(3, 4)..DisplayPoint::new(1, 1),
|
||
]
|
||
);
|
||
});
|
||
|
||
view.update(cx, |view, cx| {
|
||
view.cancel(&Cancel, cx);
|
||
assert_eq!(
|
||
view.selection_ranges(cx),
|
||
[DisplayPoint::new(3, 4)..DisplayPoint::new(1, 1)]
|
||
);
|
||
});
|
||
|
||
view.update(cx, |view, cx| {
|
||
view.cancel(&Cancel, cx);
|
||
assert_eq!(
|
||
view.selection_ranges(cx),
|
||
[DisplayPoint::new(1, 1)..DisplayPoint::new(1, 1)]
|
||
);
|
||
});
|
||
}
|
||
|
||
#[gpui::test]
|
||
fn test_layout_line_numbers(cx: &mut gpui::MutableAppContext) {
|
||
let layout_cache = TextLayoutCache::new(cx.platform().fonts());
|
||
let font_cache = cx.font_cache().clone();
|
||
|
||
let buffer = cx.add_model(|cx| Buffer::new(0, sample_text(6, 6), cx));
|
||
|
||
let settings = settings::test(&cx).1;
|
||
let (_, editor) = cx.add_window(Default::default(), |cx| {
|
||
Editor::for_buffer(buffer.clone(), settings.clone(), cx)
|
||
});
|
||
|
||
let layouts = editor.update(cx, |editor, cx| {
|
||
editor
|
||
.snapshot(cx)
|
||
.layout_line_numbers(
|
||
0..6,
|
||
&Default::default(),
|
||
&font_cache,
|
||
&layout_cache,
|
||
&settings.borrow().theme,
|
||
)
|
||
.unwrap()
|
||
});
|
||
assert_eq!(layouts.len(), 6);
|
||
}
|
||
|
||
#[gpui::test]
|
||
fn test_fold(cx: &mut gpui::MutableAppContext) {
|
||
let buffer = cx.add_model(|cx| {
|
||
Buffer::new(
|
||
0,
|
||
"
|
||
impl Foo {
|
||
// Hello!
|
||
|
||
fn a() {
|
||
1
|
||
}
|
||
|
||
fn b() {
|
||
2
|
||
}
|
||
|
||
fn c() {
|
||
3
|
||
}
|
||
}
|
||
"
|
||
.unindent(),
|
||
cx,
|
||
)
|
||
});
|
||
let settings = settings::test(&cx).1;
|
||
let (_, view) = cx.add_window(Default::default(), |cx| {
|
||
Editor::for_buffer(buffer.clone(), settings, cx)
|
||
});
|
||
|
||
view.update(cx, |view, cx| {
|
||
view.select_display_ranges(&[DisplayPoint::new(8, 0)..DisplayPoint::new(12, 0)], cx)
|
||
.unwrap();
|
||
view.fold(&Fold, cx);
|
||
assert_eq!(
|
||
view.display_text(cx),
|
||
"
|
||
impl Foo {
|
||
// Hello!
|
||
|
||
fn a() {
|
||
1
|
||
}
|
||
|
||
fn b() {…
|
||
}
|
||
|
||
fn c() {…
|
||
}
|
||
}
|
||
"
|
||
.unindent(),
|
||
);
|
||
|
||
view.fold(&Fold, cx);
|
||
assert_eq!(
|
||
view.display_text(cx),
|
||
"
|
||
impl Foo {…
|
||
}
|
||
"
|
||
.unindent(),
|
||
);
|
||
|
||
view.unfold(&Unfold, cx);
|
||
assert_eq!(
|
||
view.display_text(cx),
|
||
"
|
||
impl Foo {
|
||
// Hello!
|
||
|
||
fn a() {
|
||
1
|
||
}
|
||
|
||
fn b() {…
|
||
}
|
||
|
||
fn c() {…
|
||
}
|
||
}
|
||
"
|
||
.unindent(),
|
||
);
|
||
|
||
view.unfold(&Unfold, cx);
|
||
assert_eq!(view.display_text(cx), buffer.read(cx).text());
|
||
});
|
||
}
|
||
|
||
#[gpui::test]
|
||
fn test_move_cursor(cx: &mut gpui::MutableAppContext) {
|
||
let buffer = cx.add_model(|cx| Buffer::new(0, sample_text(6, 6), cx));
|
||
let settings = settings::test(&cx).1;
|
||
let (_, view) = cx.add_window(Default::default(), |cx| {
|
||
Editor::for_buffer(buffer.clone(), settings, 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),
|
||
],
|
||
"\t",
|
||
cx,
|
||
);
|
||
});
|
||
|
||
view.update(cx, |view, cx| {
|
||
assert_eq!(
|
||
view.selection_ranges(cx),
|
||
&[DisplayPoint::new(0, 0)..DisplayPoint::new(0, 0)]
|
||
);
|
||
|
||
view.move_down(&MoveDown, cx);
|
||
assert_eq!(
|
||
view.selection_ranges(cx),
|
||
&[DisplayPoint::new(1, 0)..DisplayPoint::new(1, 0)]
|
||
);
|
||
|
||
view.move_right(&MoveRight, cx);
|
||
assert_eq!(
|
||
view.selection_ranges(cx),
|
||
&[DisplayPoint::new(1, 4)..DisplayPoint::new(1, 4)]
|
||
);
|
||
|
||
view.move_left(&MoveLeft, cx);
|
||
assert_eq!(
|
||
view.selection_ranges(cx),
|
||
&[DisplayPoint::new(1, 0)..DisplayPoint::new(1, 0)]
|
||
);
|
||
|
||
view.move_up(&MoveUp, cx);
|
||
assert_eq!(
|
||
view.selection_ranges(cx),
|
||
&[DisplayPoint::new(0, 0)..DisplayPoint::new(0, 0)]
|
||
);
|
||
|
||
view.move_to_end(&MoveToEnd, cx);
|
||
assert_eq!(
|
||
view.selection_ranges(cx),
|
||
&[DisplayPoint::new(5, 6)..DisplayPoint::new(5, 6)]
|
||
);
|
||
|
||
view.move_to_beginning(&MoveToBeginning, cx);
|
||
assert_eq!(
|
||
view.selection_ranges(cx),
|
||
&[DisplayPoint::new(0, 0)..DisplayPoint::new(0, 0)]
|
||
);
|
||
|
||
view.select_display_ranges(&[DisplayPoint::new(0, 1)..DisplayPoint::new(0, 2)], cx)
|
||
.unwrap();
|
||
view.select_to_beginning(&SelectToBeginning, cx);
|
||
assert_eq!(
|
||
view.selection_ranges(cx),
|
||
&[DisplayPoint::new(0, 1)..DisplayPoint::new(0, 0)]
|
||
);
|
||
|
||
view.select_to_end(&SelectToEnd, cx);
|
||
assert_eq!(
|
||
view.selection_ranges(cx),
|
||
&[DisplayPoint::new(0, 1)..DisplayPoint::new(5, 6)]
|
||
);
|
||
});
|
||
}
|
||
|
||
#[gpui::test]
|
||
fn test_move_cursor_multibyte(cx: &mut gpui::MutableAppContext) {
|
||
let buffer = cx.add_model(|cx| Buffer::new(0, "ⓐⓑⓒⓓⓔ\nabcde\nαβγδε\n", cx));
|
||
let settings = settings::test(&cx).1;
|
||
let (_, view) = cx.add_window(Default::default(), |cx| {
|
||
Editor::for_buffer(buffer.clone(), settings, cx)
|
||
});
|
||
|
||
assert_eq!('ⓐ'.len_utf8(), 3);
|
||
assert_eq!('α'.len_utf8(), 2);
|
||
|
||
view.update(cx, |view, cx| {
|
||
view.fold_ranges(
|
||
vec![
|
||
Point::new(0, 6)..Point::new(0, 12),
|
||
Point::new(1, 2)..Point::new(1, 4),
|
||
Point::new(2, 4)..Point::new(2, 8),
|
||
],
|
||
cx,
|
||
);
|
||
assert_eq!(view.display_text(cx), "ⓐⓑ…ⓔ\nab…e\nαβ…ε\n");
|
||
|
||
view.move_right(&MoveRight, cx);
|
||
assert_eq!(view.selection_ranges(cx), &[empty_range(0, "ⓐ".len())]);
|
||
view.move_right(&MoveRight, cx);
|
||
assert_eq!(view.selection_ranges(cx), &[empty_range(0, "ⓐⓑ".len())]);
|
||
view.move_right(&MoveRight, cx);
|
||
assert_eq!(view.selection_ranges(cx), &[empty_range(0, "ⓐⓑ…".len())]);
|
||
|
||
view.move_down(&MoveDown, cx);
|
||
assert_eq!(view.selection_ranges(cx), &[empty_range(1, "ab…".len())]);
|
||
view.move_left(&MoveLeft, cx);
|
||
assert_eq!(view.selection_ranges(cx), &[empty_range(1, "ab".len())]);
|
||
view.move_left(&MoveLeft, cx);
|
||
assert_eq!(view.selection_ranges(cx), &[empty_range(1, "a".len())]);
|
||
|
||
view.move_down(&MoveDown, cx);
|
||
assert_eq!(view.selection_ranges(cx), &[empty_range(2, "α".len())]);
|
||
view.move_right(&MoveRight, cx);
|
||
assert_eq!(view.selection_ranges(cx), &[empty_range(2, "αβ".len())]);
|
||
view.move_right(&MoveRight, cx);
|
||
assert_eq!(view.selection_ranges(cx), &[empty_range(2, "αβ…".len())]);
|
||
view.move_right(&MoveRight, cx);
|
||
assert_eq!(view.selection_ranges(cx), &[empty_range(2, "αβ…ε".len())]);
|
||
|
||
view.move_up(&MoveUp, cx);
|
||
assert_eq!(view.selection_ranges(cx), &[empty_range(1, "ab…e".len())]);
|
||
view.move_up(&MoveUp, cx);
|
||
assert_eq!(view.selection_ranges(cx), &[empty_range(0, "ⓐⓑ…ⓔ".len())]);
|
||
view.move_left(&MoveLeft, cx);
|
||
assert_eq!(view.selection_ranges(cx), &[empty_range(0, "ⓐⓑ…".len())]);
|
||
view.move_left(&MoveLeft, cx);
|
||
assert_eq!(view.selection_ranges(cx), &[empty_range(0, "ⓐⓑ".len())]);
|
||
view.move_left(&MoveLeft, cx);
|
||
assert_eq!(view.selection_ranges(cx), &[empty_range(0, "ⓐ".len())]);
|
||
});
|
||
}
|
||
|
||
#[gpui::test]
|
||
fn test_move_cursor_different_line_lengths(cx: &mut gpui::MutableAppContext) {
|
||
let buffer = cx.add_model(|cx| Buffer::new(0, "ⓐⓑⓒⓓⓔ\nabcd\nαβγ\nabcd\nⓐⓑⓒⓓⓔ\n", cx));
|
||
let settings = settings::test(&cx).1;
|
||
let (_, view) = cx.add_window(Default::default(), |cx| {
|
||
Editor::for_buffer(buffer.clone(), settings, cx)
|
||
});
|
||
view.update(cx, |view, cx| {
|
||
view.select_display_ranges(&[empty_range(0, "ⓐⓑⓒⓓⓔ".len())], cx)
|
||
.unwrap();
|
||
|
||
view.move_down(&MoveDown, cx);
|
||
assert_eq!(view.selection_ranges(cx), &[empty_range(1, "abcd".len())]);
|
||
|
||
view.move_down(&MoveDown, cx);
|
||
assert_eq!(view.selection_ranges(cx), &[empty_range(2, "αβγ".len())]);
|
||
|
||
view.move_down(&MoveDown, cx);
|
||
assert_eq!(view.selection_ranges(cx), &[empty_range(3, "abcd".len())]);
|
||
|
||
view.move_down(&MoveDown, cx);
|
||
assert_eq!(view.selection_ranges(cx), &[empty_range(4, "ⓐⓑⓒⓓⓔ".len())]);
|
||
|
||
view.move_up(&MoveUp, cx);
|
||
assert_eq!(view.selection_ranges(cx), &[empty_range(3, "abcd".len())]);
|
||
|
||
view.move_up(&MoveUp, cx);
|
||
assert_eq!(view.selection_ranges(cx), &[empty_range(2, "αβγ".len())]);
|
||
});
|
||
}
|
||
|
||
#[gpui::test]
|
||
fn test_beginning_end_of_line(cx: &mut gpui::MutableAppContext) {
|
||
let buffer = cx.add_model(|cx| Buffer::new(0, "abc\n def", cx));
|
||
let settings = settings::test(&cx).1;
|
||
let (_, view) = cx.add_window(Default::default(), |cx| {
|
||
Editor::for_buffer(buffer, settings, cx)
|
||
});
|
||
view.update(cx, |view, cx| {
|
||
view.select_display_ranges(
|
||
&[
|
||
DisplayPoint::new(0, 1)..DisplayPoint::new(0, 1),
|
||
DisplayPoint::new(1, 4)..DisplayPoint::new(1, 4),
|
||
],
|
||
cx,
|
||
)
|
||
.unwrap();
|
||
});
|
||
|
||
view.update(cx, |view, cx| {
|
||
view.move_to_beginning_of_line(&MoveToBeginningOfLine, cx);
|
||
assert_eq!(
|
||
view.selection_ranges(cx),
|
||
&[
|
||
DisplayPoint::new(0, 0)..DisplayPoint::new(0, 0),
|
||
DisplayPoint::new(1, 2)..DisplayPoint::new(1, 2),
|
||
]
|
||
);
|
||
});
|
||
|
||
view.update(cx, |view, cx| {
|
||
view.move_to_beginning_of_line(&MoveToBeginningOfLine, cx);
|
||
assert_eq!(
|
||
view.selection_ranges(cx),
|
||
&[
|
||
DisplayPoint::new(0, 0)..DisplayPoint::new(0, 0),
|
||
DisplayPoint::new(1, 0)..DisplayPoint::new(1, 0),
|
||
]
|
||
);
|
||
});
|
||
|
||
view.update(cx, |view, cx| {
|
||
view.move_to_beginning_of_line(&MoveToBeginningOfLine, cx);
|
||
assert_eq!(
|
||
view.selection_ranges(cx),
|
||
&[
|
||
DisplayPoint::new(0, 0)..DisplayPoint::new(0, 0),
|
||
DisplayPoint::new(1, 2)..DisplayPoint::new(1, 2),
|
||
]
|
||
);
|
||
});
|
||
|
||
view.update(cx, |view, cx| {
|
||
view.move_to_end_of_line(&MoveToEndOfLine, cx);
|
||
assert_eq!(
|
||
view.selection_ranges(cx),
|
||
&[
|
||
DisplayPoint::new(0, 3)..DisplayPoint::new(0, 3),
|
||
DisplayPoint::new(1, 5)..DisplayPoint::new(1, 5),
|
||
]
|
||
);
|
||
});
|
||
|
||
// Moving to the end of line again is a no-op.
|
||
view.update(cx, |view, cx| {
|
||
view.move_to_end_of_line(&MoveToEndOfLine, cx);
|
||
assert_eq!(
|
||
view.selection_ranges(cx),
|
||
&[
|
||
DisplayPoint::new(0, 3)..DisplayPoint::new(0, 3),
|
||
DisplayPoint::new(1, 5)..DisplayPoint::new(1, 5),
|
||
]
|
||
);
|
||
});
|
||
|
||
view.update(cx, |view, cx| {
|
||
view.move_left(&MoveLeft, cx);
|
||
view.select_to_beginning_of_line(&SelectToBeginningOfLine(true), cx);
|
||
assert_eq!(
|
||
view.selection_ranges(cx),
|
||
&[
|
||
DisplayPoint::new(0, 2)..DisplayPoint::new(0, 0),
|
||
DisplayPoint::new(1, 4)..DisplayPoint::new(1, 2),
|
||
]
|
||
);
|
||
});
|
||
|
||
view.update(cx, |view, cx| {
|
||
view.select_to_beginning_of_line(&SelectToBeginningOfLine(true), cx);
|
||
assert_eq!(
|
||
view.selection_ranges(cx),
|
||
&[
|
||
DisplayPoint::new(0, 2)..DisplayPoint::new(0, 0),
|
||
DisplayPoint::new(1, 4)..DisplayPoint::new(1, 0),
|
||
]
|
||
);
|
||
});
|
||
|
||
view.update(cx, |view, cx| {
|
||
view.select_to_beginning_of_line(&SelectToBeginningOfLine(true), cx);
|
||
assert_eq!(
|
||
view.selection_ranges(cx),
|
||
&[
|
||
DisplayPoint::new(0, 2)..DisplayPoint::new(0, 0),
|
||
DisplayPoint::new(1, 4)..DisplayPoint::new(1, 2),
|
||
]
|
||
);
|
||
});
|
||
|
||
view.update(cx, |view, cx| {
|
||
view.select_to_end_of_line(&SelectToEndOfLine, cx);
|
||
assert_eq!(
|
||
view.selection_ranges(cx),
|
||
&[
|
||
DisplayPoint::new(0, 2)..DisplayPoint::new(0, 3),
|
||
DisplayPoint::new(1, 4)..DisplayPoint::new(1, 5),
|
||
]
|
||
);
|
||
});
|
||
|
||
view.update(cx, |view, cx| {
|
||
view.delete_to_end_of_line(&DeleteToEndOfLine, cx);
|
||
assert_eq!(view.display_text(cx), "ab\n de");
|
||
assert_eq!(
|
||
view.selection_ranges(cx),
|
||
&[
|
||
DisplayPoint::new(0, 2)..DisplayPoint::new(0, 2),
|
||
DisplayPoint::new(1, 4)..DisplayPoint::new(1, 4),
|
||
]
|
||
);
|
||
});
|
||
|
||
view.update(cx, |view, cx| {
|
||
view.delete_to_beginning_of_line(&DeleteToBeginningOfLine, cx);
|
||
assert_eq!(view.display_text(cx), "\n");
|
||
assert_eq!(
|
||
view.selection_ranges(cx),
|
||
&[
|
||
DisplayPoint::new(0, 0)..DisplayPoint::new(0, 0),
|
||
DisplayPoint::new(1, 0)..DisplayPoint::new(1, 0),
|
||
]
|
||
);
|
||
});
|
||
}
|
||
|
||
#[gpui::test]
|
||
fn test_prev_next_word_boundary(cx: &mut gpui::MutableAppContext) {
|
||
let buffer =
|
||
cx.add_model(|cx| Buffer::new(0, "use std::str::{foo, bar}\n\n {baz.qux()}", cx));
|
||
let settings = settings::test(&cx).1;
|
||
let (_, view) = cx.add_window(Default::default(), |cx| {
|
||
Editor::for_buffer(buffer, settings, cx)
|
||
});
|
||
view.update(cx, |view, cx| {
|
||
view.select_display_ranges(
|
||
&[
|
||
DisplayPoint::new(0, 11)..DisplayPoint::new(0, 11),
|
||
DisplayPoint::new(2, 4)..DisplayPoint::new(2, 4),
|
||
],
|
||
cx,
|
||
)
|
||
.unwrap();
|
||
});
|
||
|
||
view.update(cx, |view, cx| {
|
||
view.move_to_previous_word_boundary(&MoveToPreviousWordBoundary, cx);
|
||
assert_eq!(
|
||
view.selection_ranges(cx),
|
||
&[
|
||
DisplayPoint::new(0, 9)..DisplayPoint::new(0, 9),
|
||
DisplayPoint::new(2, 3)..DisplayPoint::new(2, 3),
|
||
]
|
||
);
|
||
});
|
||
|
||
view.update(cx, |view, cx| {
|
||
view.move_to_previous_word_boundary(&MoveToPreviousWordBoundary, cx);
|
||
assert_eq!(
|
||
view.selection_ranges(cx),
|
||
&[
|
||
DisplayPoint::new(0, 7)..DisplayPoint::new(0, 7),
|
||
DisplayPoint::new(2, 2)..DisplayPoint::new(2, 2),
|
||
]
|
||
);
|
||
});
|
||
|
||
view.update(cx, |view, cx| {
|
||
view.move_to_previous_word_boundary(&MoveToPreviousWordBoundary, cx);
|
||
assert_eq!(
|
||
view.selection_ranges(cx),
|
||
&[
|
||
DisplayPoint::new(0, 4)..DisplayPoint::new(0, 4),
|
||
DisplayPoint::new(2, 0)..DisplayPoint::new(2, 0),
|
||
]
|
||
);
|
||
});
|
||
|
||
view.update(cx, |view, cx| {
|
||
view.move_to_previous_word_boundary(&MoveToPreviousWordBoundary, cx);
|
||
assert_eq!(
|
||
view.selection_ranges(cx),
|
||
&[
|
||
DisplayPoint::new(0, 3)..DisplayPoint::new(0, 3),
|
||
DisplayPoint::new(1, 0)..DisplayPoint::new(1, 0),
|
||
]
|
||
);
|
||
});
|
||
|
||
view.update(cx, |view, cx| {
|
||
view.move_to_previous_word_boundary(&MoveToPreviousWordBoundary, cx);
|
||
assert_eq!(
|
||
view.selection_ranges(cx),
|
||
&[
|
||
DisplayPoint::new(0, 0)..DisplayPoint::new(0, 0),
|
||
DisplayPoint::new(0, 24)..DisplayPoint::new(0, 24),
|
||
]
|
||
);
|
||
});
|
||
|
||
view.update(cx, |view, cx| {
|
||
view.move_to_previous_word_boundary(&MoveToPreviousWordBoundary, cx);
|
||
assert_eq!(
|
||
view.selection_ranges(cx),
|
||
&[
|
||
DisplayPoint::new(0, 0)..DisplayPoint::new(0, 0),
|
||
DisplayPoint::new(0, 23)..DisplayPoint::new(0, 23),
|
||
]
|
||
);
|
||
});
|
||
|
||
view.update(cx, |view, cx| {
|
||
view.move_to_next_word_boundary(&MoveToNextWordBoundary, cx);
|
||
assert_eq!(
|
||
view.selection_ranges(cx),
|
||
&[
|
||
DisplayPoint::new(0, 3)..DisplayPoint::new(0, 3),
|
||
DisplayPoint::new(0, 24)..DisplayPoint::new(0, 24),
|
||
]
|
||
);
|
||
});
|
||
|
||
view.update(cx, |view, cx| {
|
||
view.move_to_next_word_boundary(&MoveToNextWordBoundary, cx);
|
||
assert_eq!(
|
||
view.selection_ranges(cx),
|
||
&[
|
||
DisplayPoint::new(0, 4)..DisplayPoint::new(0, 4),
|
||
DisplayPoint::new(1, 0)..DisplayPoint::new(1, 0),
|
||
]
|
||
);
|
||
});
|
||
|
||
view.update(cx, |view, cx| {
|
||
view.move_to_next_word_boundary(&MoveToNextWordBoundary, cx);
|
||
assert_eq!(
|
||
view.selection_ranges(cx),
|
||
&[
|
||
DisplayPoint::new(0, 7)..DisplayPoint::new(0, 7),
|
||
DisplayPoint::new(2, 0)..DisplayPoint::new(2, 0),
|
||
]
|
||
);
|
||
});
|
||
|
||
view.update(cx, |view, cx| {
|
||
view.move_to_next_word_boundary(&MoveToNextWordBoundary, cx);
|
||
assert_eq!(
|
||
view.selection_ranges(cx),
|
||
&[
|
||
DisplayPoint::new(0, 9)..DisplayPoint::new(0, 9),
|
||
DisplayPoint::new(2, 2)..DisplayPoint::new(2, 2),
|
||
]
|
||
);
|
||
});
|
||
|
||
view.update(cx, |view, cx| {
|
||
view.move_right(&MoveRight, cx);
|
||
view.select_to_previous_word_boundary(&SelectToPreviousWordBoundary, cx);
|
||
assert_eq!(
|
||
view.selection_ranges(cx),
|
||
&[
|
||
DisplayPoint::new(0, 10)..DisplayPoint::new(0, 9),
|
||
DisplayPoint::new(2, 3)..DisplayPoint::new(2, 2),
|
||
]
|
||
);
|
||
});
|
||
|
||
view.update(cx, |view, cx| {
|
||
view.select_to_previous_word_boundary(&SelectToPreviousWordBoundary, cx);
|
||
assert_eq!(
|
||
view.selection_ranges(cx),
|
||
&[
|
||
DisplayPoint::new(0, 10)..DisplayPoint::new(0, 7),
|
||
DisplayPoint::new(2, 3)..DisplayPoint::new(2, 0),
|
||
]
|
||
);
|
||
});
|
||
|
||
view.update(cx, |view, cx| {
|
||
view.select_to_next_word_boundary(&SelectToNextWordBoundary, cx);
|
||
assert_eq!(
|
||
view.selection_ranges(cx),
|
||
&[
|
||
DisplayPoint::new(0, 10)..DisplayPoint::new(0, 9),
|
||
DisplayPoint::new(2, 3)..DisplayPoint::new(2, 2),
|
||
]
|
||
);
|
||
});
|
||
|
||
view.update(cx, |view, cx| {
|
||
view.delete_to_next_word_boundary(&DeleteToNextWordBoundary, cx);
|
||
assert_eq!(
|
||
view.display_text(cx),
|
||
"use std::s::{foo, bar}\n\n {az.qux()}"
|
||
);
|
||
assert_eq!(
|
||
view.selection_ranges(cx),
|
||
&[
|
||
DisplayPoint::new(0, 10)..DisplayPoint::new(0, 10),
|
||
DisplayPoint::new(2, 3)..DisplayPoint::new(2, 3),
|
||
]
|
||
);
|
||
});
|
||
|
||
view.update(cx, |view, cx| {
|
||
view.delete_to_previous_word_boundary(&DeleteToPreviousWordBoundary, cx);
|
||
assert_eq!(
|
||
view.display_text(cx),
|
||
"use std::::{foo, bar}\n\n az.qux()}"
|
||
);
|
||
assert_eq!(
|
||
view.selection_ranges(cx),
|
||
&[
|
||
DisplayPoint::new(0, 9)..DisplayPoint::new(0, 9),
|
||
DisplayPoint::new(2, 2)..DisplayPoint::new(2, 2),
|
||
]
|
||
);
|
||
});
|
||
}
|
||
|
||
#[gpui::test]
|
||
fn test_prev_next_word_bounds_with_soft_wrap(cx: &mut gpui::MutableAppContext) {
|
||
let buffer =
|
||
cx.add_model(|cx| Buffer::new(0, "use one::{\n two::three::four::five\n};", cx));
|
||
let settings = settings::test(&cx).1;
|
||
let (_, view) = cx.add_window(Default::default(), |cx| {
|
||
Editor::for_buffer(buffer, settings, cx)
|
||
});
|
||
|
||
view.update(cx, |view, cx| {
|
||
view.set_wrap_width(130., cx);
|
||
assert_eq!(
|
||
view.display_text(cx),
|
||
"use one::{\n two::three::\n four::five\n};"
|
||
);
|
||
|
||
view.select_display_ranges(&[DisplayPoint::new(1, 7)..DisplayPoint::new(1, 7)], cx)
|
||
.unwrap();
|
||
|
||
view.move_to_next_word_boundary(&MoveToNextWordBoundary, cx);
|
||
assert_eq!(
|
||
view.selection_ranges(cx),
|
||
&[DisplayPoint::new(1, 9)..DisplayPoint::new(1, 9)]
|
||
);
|
||
|
||
view.move_to_next_word_boundary(&MoveToNextWordBoundary, cx);
|
||
assert_eq!(
|
||
view.selection_ranges(cx),
|
||
&[DisplayPoint::new(1, 14)..DisplayPoint::new(1, 14)]
|
||
);
|
||
|
||
view.move_to_next_word_boundary(&MoveToNextWordBoundary, cx);
|
||
assert_eq!(
|
||
view.selection_ranges(cx),
|
||
&[DisplayPoint::new(2, 4)..DisplayPoint::new(2, 4)]
|
||
);
|
||
|
||
view.move_to_next_word_boundary(&MoveToNextWordBoundary, cx);
|
||
assert_eq!(
|
||
view.selection_ranges(cx),
|
||
&[DisplayPoint::new(2, 8)..DisplayPoint::new(2, 8)]
|
||
);
|
||
|
||
view.move_to_previous_word_boundary(&MoveToPreviousWordBoundary, cx);
|
||
assert_eq!(
|
||
view.selection_ranges(cx),
|
||
&[DisplayPoint::new(2, 4)..DisplayPoint::new(2, 4)]
|
||
);
|
||
|
||
view.move_to_previous_word_boundary(&MoveToPreviousWordBoundary, cx);
|
||
assert_eq!(
|
||
view.selection_ranges(cx),
|
||
&[DisplayPoint::new(1, 15)..DisplayPoint::new(1, 15)]
|
||
);
|
||
});
|
||
}
|
||
|
||
#[gpui::test]
|
||
fn test_backspace(cx: &mut gpui::MutableAppContext) {
|
||
let buffer = cx.add_model(|cx| {
|
||
Buffer::new(
|
||
0,
|
||
"one two three\nfour five six\nseven eight nine\nten\n",
|
||
cx,
|
||
)
|
||
});
|
||
let settings = settings::test(&cx).1;
|
||
let (_, view) = cx.add_window(Default::default(), |cx| {
|
||
Editor::for_buffer(buffer.clone(), settings, cx)
|
||
});
|
||
|
||
view.update(cx, |view, cx| {
|
||
view.select_display_ranges(
|
||
&[
|
||
// an empty selection - the preceding character is deleted
|
||
DisplayPoint::new(0, 2)..DisplayPoint::new(0, 2),
|
||
// one character selected - it is deleted
|
||
DisplayPoint::new(1, 4)..DisplayPoint::new(1, 3),
|
||
// a line suffix selected - it is deleted
|
||
DisplayPoint::new(2, 6)..DisplayPoint::new(3, 0),
|
||
],
|
||
cx,
|
||
)
|
||
.unwrap();
|
||
view.backspace(&Backspace, cx);
|
||
});
|
||
|
||
assert_eq!(
|
||
buffer.read(cx).text(),
|
||
"oe two three\nfou five six\nseven ten\n"
|
||
);
|
||
}
|
||
|
||
#[gpui::test]
|
||
fn test_delete(cx: &mut gpui::MutableAppContext) {
|
||
let buffer = cx.add_model(|cx| {
|
||
Buffer::new(
|
||
0,
|
||
"one two three\nfour five six\nseven eight nine\nten\n",
|
||
cx,
|
||
)
|
||
});
|
||
let settings = settings::test(&cx).1;
|
||
let (_, view) = cx.add_window(Default::default(), |cx| {
|
||
Editor::for_buffer(buffer.clone(), settings, cx)
|
||
});
|
||
|
||
view.update(cx, |view, cx| {
|
||
view.select_display_ranges(
|
||
&[
|
||
// an empty selection - the following character is deleted
|
||
DisplayPoint::new(0, 2)..DisplayPoint::new(0, 2),
|
||
// one character selected - it is deleted
|
||
DisplayPoint::new(1, 4)..DisplayPoint::new(1, 3),
|
||
// a line suffix selected - it is deleted
|
||
DisplayPoint::new(2, 6)..DisplayPoint::new(3, 0),
|
||
],
|
||
cx,
|
||
)
|
||
.unwrap();
|
||
view.delete(&Delete, cx);
|
||
});
|
||
|
||
assert_eq!(
|
||
buffer.read(cx).text(),
|
||
"on two three\nfou five six\nseven ten\n"
|
||
);
|
||
}
|
||
|
||
#[gpui::test]
|
||
fn test_delete_line(cx: &mut gpui::MutableAppContext) {
|
||
let settings = settings::test(&cx).1;
|
||
let buffer = cx.add_model(|cx| Buffer::new(0, "abc\ndef\nghi\n", cx));
|
||
let (_, view) = cx.add_window(Default::default(), |cx| {
|
||
Editor::for_buffer(buffer, settings, cx)
|
||
});
|
||
view.update(cx, |view, cx| {
|
||
view.select_display_ranges(
|
||
&[
|
||
DisplayPoint::new(0, 1)..DisplayPoint::new(0, 1),
|
||
DisplayPoint::new(1, 0)..DisplayPoint::new(1, 1),
|
||
DisplayPoint::new(3, 0)..DisplayPoint::new(3, 0),
|
||
],
|
||
cx,
|
||
)
|
||
.unwrap();
|
||
view.delete_line(&DeleteLine, cx);
|
||
assert_eq!(view.display_text(cx), "ghi");
|
||
assert_eq!(
|
||
view.selection_ranges(cx),
|
||
vec![
|
||
DisplayPoint::new(0, 0)..DisplayPoint::new(0, 0),
|
||
DisplayPoint::new(0, 1)..DisplayPoint::new(0, 1)
|
||
]
|
||
);
|
||
});
|
||
|
||
let settings = settings::test(&cx).1;
|
||
let buffer = cx.add_model(|cx| Buffer::new(0, "abc\ndef\nghi\n", cx));
|
||
let (_, view) = cx.add_window(Default::default(), |cx| {
|
||
Editor::for_buffer(buffer, settings, cx)
|
||
});
|
||
view.update(cx, |view, cx| {
|
||
view.select_display_ranges(&[DisplayPoint::new(2, 0)..DisplayPoint::new(0, 1)], cx)
|
||
.unwrap();
|
||
view.delete_line(&DeleteLine, cx);
|
||
assert_eq!(view.display_text(cx), "ghi\n");
|
||
assert_eq!(
|
||
view.selection_ranges(cx),
|
||
vec![DisplayPoint::new(0, 1)..DisplayPoint::new(0, 1)]
|
||
);
|
||
});
|
||
}
|
||
|
||
#[gpui::test]
|
||
fn test_duplicate_line(cx: &mut gpui::MutableAppContext) {
|
||
let settings = settings::test(&cx).1;
|
||
let buffer = cx.add_model(|cx| Buffer::new(0, "abc\ndef\nghi\n", cx));
|
||
let (_, view) = cx.add_window(Default::default(), |cx| {
|
||
Editor::for_buffer(buffer, settings, cx)
|
||
});
|
||
view.update(cx, |view, cx| {
|
||
view.select_display_ranges(
|
||
&[
|
||
DisplayPoint::new(0, 0)..DisplayPoint::new(0, 1),
|
||
DisplayPoint::new(0, 2)..DisplayPoint::new(0, 2),
|
||
DisplayPoint::new(1, 0)..DisplayPoint::new(1, 0),
|
||
DisplayPoint::new(3, 0)..DisplayPoint::new(3, 0),
|
||
],
|
||
cx,
|
||
)
|
||
.unwrap();
|
||
view.duplicate_line(&DuplicateLine, cx);
|
||
assert_eq!(view.display_text(cx), "abc\nabc\ndef\ndef\nghi\n\n");
|
||
assert_eq!(
|
||
view.selection_ranges(cx),
|
||
vec![
|
||
DisplayPoint::new(1, 0)..DisplayPoint::new(1, 1),
|
||
DisplayPoint::new(1, 2)..DisplayPoint::new(1, 2),
|
||
DisplayPoint::new(3, 0)..DisplayPoint::new(3, 0),
|
||
DisplayPoint::new(6, 0)..DisplayPoint::new(6, 0),
|
||
]
|
||
);
|
||
});
|
||
|
||
let settings = settings::test(&cx).1;
|
||
let buffer = cx.add_model(|cx| Buffer::new(0, "abc\ndef\nghi\n", cx));
|
||
let (_, view) = cx.add_window(Default::default(), |cx| {
|
||
Editor::for_buffer(buffer, settings, cx)
|
||
});
|
||
view.update(cx, |view, cx| {
|
||
view.select_display_ranges(
|
||
&[
|
||
DisplayPoint::new(0, 1)..DisplayPoint::new(1, 1),
|
||
DisplayPoint::new(1, 2)..DisplayPoint::new(2, 1),
|
||
],
|
||
cx,
|
||
)
|
||
.unwrap();
|
||
view.duplicate_line(&DuplicateLine, cx);
|
||
assert_eq!(view.display_text(cx), "abc\ndef\nghi\nabc\ndef\nghi\n");
|
||
assert_eq!(
|
||
view.selection_ranges(cx),
|
||
vec![
|
||
DisplayPoint::new(3, 1)..DisplayPoint::new(4, 1),
|
||
DisplayPoint::new(4, 2)..DisplayPoint::new(5, 1),
|
||
]
|
||
);
|
||
});
|
||
}
|
||
|
||
#[gpui::test]
|
||
fn test_move_line_up_down(cx: &mut gpui::MutableAppContext) {
|
||
let settings = settings::test(&cx).1;
|
||
let buffer = cx.add_model(|cx| Buffer::new(0, sample_text(10, 5), cx));
|
||
let (_, view) = cx.add_window(Default::default(), |cx| {
|
||
Editor::for_buffer(buffer, settings, cx)
|
||
});
|
||
view.update(cx, |view, cx| {
|
||
view.fold_ranges(
|
||
vec![
|
||
Point::new(0, 2)..Point::new(1, 2),
|
||
Point::new(2, 3)..Point::new(4, 1),
|
||
Point::new(7, 0)..Point::new(8, 4),
|
||
],
|
||
cx,
|
||
);
|
||
view.select_display_ranges(
|
||
&[
|
||
DisplayPoint::new(0, 1)..DisplayPoint::new(0, 1),
|
||
DisplayPoint::new(3, 1)..DisplayPoint::new(3, 1),
|
||
DisplayPoint::new(3, 2)..DisplayPoint::new(4, 3),
|
||
DisplayPoint::new(5, 0)..DisplayPoint::new(5, 2),
|
||
],
|
||
cx,
|
||
)
|
||
.unwrap();
|
||
assert_eq!(
|
||
view.display_text(cx),
|
||
"aa…bbb\nccc…eeee\nfffff\nggggg\n…i\njjjjj"
|
||
);
|
||
|
||
view.move_line_up(&MoveLineUp, cx);
|
||
assert_eq!(
|
||
view.display_text(cx),
|
||
"aa…bbb\nccc…eeee\nggggg\n…i\njjjjj\nfffff"
|
||
);
|
||
assert_eq!(
|
||
view.selection_ranges(cx),
|
||
vec![
|
||
DisplayPoint::new(0, 1)..DisplayPoint::new(0, 1),
|
||
DisplayPoint::new(2, 1)..DisplayPoint::new(2, 1),
|
||
DisplayPoint::new(2, 2)..DisplayPoint::new(3, 3),
|
||
DisplayPoint::new(4, 0)..DisplayPoint::new(4, 2)
|
||
]
|
||
);
|
||
});
|
||
|
||
view.update(cx, |view, cx| {
|
||
view.move_line_down(&MoveLineDown, cx);
|
||
assert_eq!(
|
||
view.display_text(cx),
|
||
"ccc…eeee\naa…bbb\nfffff\nggggg\n…i\njjjjj"
|
||
);
|
||
assert_eq!(
|
||
view.selection_ranges(cx),
|
||
vec![
|
||
DisplayPoint::new(1, 1)..DisplayPoint::new(1, 1),
|
||
DisplayPoint::new(3, 1)..DisplayPoint::new(3, 1),
|
||
DisplayPoint::new(3, 2)..DisplayPoint::new(4, 3),
|
||
DisplayPoint::new(5, 0)..DisplayPoint::new(5, 2)
|
||
]
|
||
);
|
||
});
|
||
|
||
view.update(cx, |view, cx| {
|
||
view.move_line_down(&MoveLineDown, cx);
|
||
assert_eq!(
|
||
view.display_text(cx),
|
||
"ccc…eeee\nfffff\naa…bbb\nggggg\n…i\njjjjj"
|
||
);
|
||
assert_eq!(
|
||
view.selection_ranges(cx),
|
||
vec![
|
||
DisplayPoint::new(2, 1)..DisplayPoint::new(2, 1),
|
||
DisplayPoint::new(3, 1)..DisplayPoint::new(3, 1),
|
||
DisplayPoint::new(3, 2)..DisplayPoint::new(4, 3),
|
||
DisplayPoint::new(5, 0)..DisplayPoint::new(5, 2)
|
||
]
|
||
);
|
||
});
|
||
|
||
view.update(cx, |view, cx| {
|
||
view.move_line_up(&MoveLineUp, cx);
|
||
assert_eq!(
|
||
view.display_text(cx),
|
||
"ccc…eeee\naa…bbb\nggggg\n…i\njjjjj\nfffff"
|
||
);
|
||
assert_eq!(
|
||
view.selection_ranges(cx),
|
||
vec![
|
||
DisplayPoint::new(1, 1)..DisplayPoint::new(1, 1),
|
||
DisplayPoint::new(2, 1)..DisplayPoint::new(2, 1),
|
||
DisplayPoint::new(2, 2)..DisplayPoint::new(3, 3),
|
||
DisplayPoint::new(4, 0)..DisplayPoint::new(4, 2)
|
||
]
|
||
);
|
||
});
|
||
}
|
||
|
||
#[gpui::test]
|
||
fn test_clipboard(cx: &mut gpui::MutableAppContext) {
|
||
let buffer = cx.add_model(|cx| Buffer::new(0, "one two three four five six ", cx));
|
||
let settings = settings::test(&cx).1;
|
||
let view = cx
|
||
.add_window(Default::default(), |cx| {
|
||
Editor::for_buffer(buffer.clone(), settings, cx)
|
||
})
|
||
.1;
|
||
|
||
// Cut with three selections. Clipboard text is divided into three slices.
|
||
view.update(cx, |view, cx| {
|
||
view.select_ranges(vec![0..4, 8..14, 19..24], false, cx);
|
||
view.cut(&Cut, cx);
|
||
assert_eq!(view.display_text(cx), "two four six ");
|
||
});
|
||
|
||
// Paste with three cursors. Each cursor pastes one slice of the clipboard text.
|
||
view.update(cx, |view, cx| {
|
||
view.select_ranges(vec![4..4, 9..9, 13..13], false, cx);
|
||
view.paste(&Paste, cx);
|
||
assert_eq!(view.display_text(cx), "two one four three six five ");
|
||
assert_eq!(
|
||
view.selection_ranges(cx),
|
||
&[
|
||
DisplayPoint::new(0, 8)..DisplayPoint::new(0, 8),
|
||
DisplayPoint::new(0, 19)..DisplayPoint::new(0, 19),
|
||
DisplayPoint::new(0, 28)..DisplayPoint::new(0, 28)
|
||
]
|
||
);
|
||
});
|
||
|
||
// Paste again but with only two cursors. Since the number of cursors doesn't
|
||
// match the number of slices in the clipboard, the entire clipboard text
|
||
// is pasted at each cursor.
|
||
view.update(cx, |view, cx| {
|
||
view.select_ranges(vec![0..0, 28..28], false, cx);
|
||
view.insert(&Insert("( ".into()), cx);
|
||
view.paste(&Paste, cx);
|
||
view.insert(&Insert(") ".into()), cx);
|
||
assert_eq!(
|
||
view.display_text(cx),
|
||
"( one three five ) two one four three six five ( one three five ) "
|
||
);
|
||
});
|
||
|
||
view.update(cx, |view, cx| {
|
||
view.select_ranges(vec![0..0], false, cx);
|
||
view.insert(&Insert("123\n4567\n89\n".into()), cx);
|
||
assert_eq!(
|
||
view.display_text(cx),
|
||
"123\n4567\n89\n( one three five ) two one four three six five ( one three five ) "
|
||
);
|
||
});
|
||
|
||
// Cut with three selections, one of which is full-line.
|
||
view.update(cx, |view, cx| {
|
||
view.select_display_ranges(
|
||
&[
|
||
DisplayPoint::new(0, 1)..DisplayPoint::new(0, 2),
|
||
DisplayPoint::new(1, 1)..DisplayPoint::new(1, 1),
|
||
DisplayPoint::new(2, 0)..DisplayPoint::new(2, 1),
|
||
],
|
||
cx,
|
||
)
|
||
.unwrap();
|
||
view.cut(&Cut, cx);
|
||
assert_eq!(
|
||
view.display_text(cx),
|
||
"13\n9\n( one three five ) two one four three six five ( one three five ) "
|
||
);
|
||
});
|
||
|
||
// Paste with three selections, noticing how the copied selection that was full-line
|
||
// gets inserted before the second cursor.
|
||
view.update(cx, |view, cx| {
|
||
view.select_display_ranges(
|
||
&[
|
||
DisplayPoint::new(0, 1)..DisplayPoint::new(0, 1),
|
||
DisplayPoint::new(1, 1)..DisplayPoint::new(1, 1),
|
||
DisplayPoint::new(2, 2)..DisplayPoint::new(2, 3),
|
||
],
|
||
cx,
|
||
)
|
||
.unwrap();
|
||
view.paste(&Paste, cx);
|
||
assert_eq!(
|
||
view.display_text(cx),
|
||
"123\n4567\n9\n( 8ne three five ) two one four three six five ( one three five ) "
|
||
);
|
||
assert_eq!(
|
||
view.selection_ranges(cx),
|
||
&[
|
||
DisplayPoint::new(0, 2)..DisplayPoint::new(0, 2),
|
||
DisplayPoint::new(2, 1)..DisplayPoint::new(2, 1),
|
||
DisplayPoint::new(3, 3)..DisplayPoint::new(3, 3),
|
||
]
|
||
);
|
||
});
|
||
|
||
// Copy with a single cursor only, which writes the whole line into the clipboard.
|
||
view.update(cx, |view, cx| {
|
||
view.select_display_ranges(&[DisplayPoint::new(0, 1)..DisplayPoint::new(0, 1)], cx)
|
||
.unwrap();
|
||
view.copy(&Copy, cx);
|
||
});
|
||
|
||
// Paste with three selections, noticing how the copied full-line selection is inserted
|
||
// before the empty selections but replaces the selection that is non-empty.
|
||
view.update(cx, |view, cx| {
|
||
view.select_display_ranges(
|
||
&[
|
||
DisplayPoint::new(0, 1)..DisplayPoint::new(0, 1),
|
||
DisplayPoint::new(1, 0)..DisplayPoint::new(1, 2),
|
||
DisplayPoint::new(2, 1)..DisplayPoint::new(2, 1),
|
||
],
|
||
cx,
|
||
)
|
||
.unwrap();
|
||
view.paste(&Paste, cx);
|
||
assert_eq!(
|
||
view.display_text(cx),
|
||
"123\n123\n123\n67\n123\n9\n( 8ne three five ) two one four three six five ( one three five ) "
|
||
);
|
||
assert_eq!(
|
||
view.selection_ranges(cx),
|
||
&[
|
||
DisplayPoint::new(1, 1)..DisplayPoint::new(1, 1),
|
||
DisplayPoint::new(3, 0)..DisplayPoint::new(3, 0),
|
||
DisplayPoint::new(5, 1)..DisplayPoint::new(5, 1),
|
||
]
|
||
);
|
||
});
|
||
}
|
||
|
||
#[gpui::test]
|
||
fn test_select_all(cx: &mut gpui::MutableAppContext) {
|
||
let buffer = cx.add_model(|cx| Buffer::new(0, "abc\nde\nfgh", cx));
|
||
let settings = settings::test(&cx).1;
|
||
let (_, view) = cx.add_window(Default::default(), |cx| {
|
||
Editor::for_buffer(buffer, settings, cx)
|
||
});
|
||
view.update(cx, |view, cx| {
|
||
view.select_all(&SelectAll, cx);
|
||
assert_eq!(
|
||
view.selection_ranges(cx),
|
||
&[DisplayPoint::new(0, 0)..DisplayPoint::new(2, 3)]
|
||
);
|
||
});
|
||
}
|
||
|
||
#[gpui::test]
|
||
fn test_select_line(cx: &mut gpui::MutableAppContext) {
|
||
let settings = settings::test(&cx).1;
|
||
let buffer = cx.add_model(|cx| Buffer::new(0, sample_text(6, 5), cx));
|
||
let (_, view) = cx.add_window(Default::default(), |cx| {
|
||
Editor::for_buffer(buffer, settings, cx)
|
||
});
|
||
view.update(cx, |view, cx| {
|
||
view.select_display_ranges(
|
||
&[
|
||
DisplayPoint::new(0, 0)..DisplayPoint::new(0, 1),
|
||
DisplayPoint::new(0, 2)..DisplayPoint::new(0, 2),
|
||
DisplayPoint::new(1, 0)..DisplayPoint::new(1, 0),
|
||
DisplayPoint::new(4, 2)..DisplayPoint::new(4, 2),
|
||
],
|
||
cx,
|
||
)
|
||
.unwrap();
|
||
view.select_line(&SelectLine, cx);
|
||
assert_eq!(
|
||
view.selection_ranges(cx),
|
||
vec![
|
||
DisplayPoint::new(0, 0)..DisplayPoint::new(2, 0),
|
||
DisplayPoint::new(4, 0)..DisplayPoint::new(5, 0),
|
||
]
|
||
);
|
||
});
|
||
|
||
view.update(cx, |view, cx| {
|
||
view.select_line(&SelectLine, cx);
|
||
assert_eq!(
|
||
view.selection_ranges(cx),
|
||
vec![
|
||
DisplayPoint::new(0, 0)..DisplayPoint::new(3, 0),
|
||
DisplayPoint::new(4, 0)..DisplayPoint::new(5, 5),
|
||
]
|
||
);
|
||
});
|
||
|
||
view.update(cx, |view, cx| {
|
||
view.select_line(&SelectLine, cx);
|
||
assert_eq!(
|
||
view.selection_ranges(cx),
|
||
vec![DisplayPoint::new(0, 0)..DisplayPoint::new(5, 5)]
|
||
);
|
||
});
|
||
}
|
||
|
||
#[gpui::test]
|
||
fn test_split_selection_into_lines(cx: &mut gpui::MutableAppContext) {
|
||
let settings = settings::test(&cx).1;
|
||
let buffer = cx.add_model(|cx| Buffer::new(0, sample_text(9, 5), cx));
|
||
let (_, view) = cx.add_window(Default::default(), |cx| {
|
||
Editor::for_buffer(buffer, settings, cx)
|
||
});
|
||
view.update(cx, |view, cx| {
|
||
view.fold_ranges(
|
||
vec![
|
||
Point::new(0, 2)..Point::new(1, 2),
|
||
Point::new(2, 3)..Point::new(4, 1),
|
||
Point::new(7, 0)..Point::new(8, 4),
|
||
],
|
||
cx,
|
||
);
|
||
view.select_display_ranges(
|
||
&[
|
||
DisplayPoint::new(0, 0)..DisplayPoint::new(0, 1),
|
||
DisplayPoint::new(0, 2)..DisplayPoint::new(0, 2),
|
||
DisplayPoint::new(1, 0)..DisplayPoint::new(1, 0),
|
||
DisplayPoint::new(4, 4)..DisplayPoint::new(4, 4),
|
||
],
|
||
cx,
|
||
)
|
||
.unwrap();
|
||
assert_eq!(view.display_text(cx), "aa…bbb\nccc…eeee\nfffff\nggggg\n…i");
|
||
});
|
||
|
||
view.update(cx, |view, cx| {
|
||
view.split_selection_into_lines(&SplitSelectionIntoLines, cx);
|
||
assert_eq!(
|
||
view.display_text(cx),
|
||
"aaaaa\nbbbbb\nccc…eeee\nfffff\nggggg\n…i"
|
||
);
|
||
assert_eq!(
|
||
view.selection_ranges(cx),
|
||
[
|
||
DisplayPoint::new(0, 1)..DisplayPoint::new(0, 1),
|
||
DisplayPoint::new(0, 2)..DisplayPoint::new(0, 2),
|
||
DisplayPoint::new(2, 0)..DisplayPoint::new(2, 0),
|
||
DisplayPoint::new(5, 4)..DisplayPoint::new(5, 4)
|
||
]
|
||
);
|
||
});
|
||
|
||
view.update(cx, |view, cx| {
|
||
view.select_display_ranges(&[DisplayPoint::new(5, 0)..DisplayPoint::new(0, 1)], cx)
|
||
.unwrap();
|
||
view.split_selection_into_lines(&SplitSelectionIntoLines, cx);
|
||
assert_eq!(
|
||
view.display_text(cx),
|
||
"aaaaa\nbbbbb\nccccc\nddddd\neeeee\nfffff\nggggg\nhhhhh\niiiii"
|
||
);
|
||
assert_eq!(
|
||
view.selection_ranges(cx),
|
||
[
|
||
DisplayPoint::new(0, 1)..DisplayPoint::new(0, 1),
|
||
DisplayPoint::new(1, 5)..DisplayPoint::new(1, 5),
|
||
DisplayPoint::new(2, 5)..DisplayPoint::new(2, 5),
|
||
DisplayPoint::new(3, 5)..DisplayPoint::new(3, 5),
|
||
DisplayPoint::new(4, 5)..DisplayPoint::new(4, 5),
|
||
DisplayPoint::new(5, 5)..DisplayPoint::new(5, 5),
|
||
DisplayPoint::new(6, 5)..DisplayPoint::new(6, 5),
|
||
DisplayPoint::new(7, 0)..DisplayPoint::new(7, 0)
|
||
]
|
||
);
|
||
});
|
||
}
|
||
|
||
#[gpui::test]
|
||
fn test_add_selection_above_below(cx: &mut gpui::MutableAppContext) {
|
||
let settings = settings::test(&cx).1;
|
||
let buffer = cx.add_model(|cx| Buffer::new(0, "abc\ndefghi\n\njk\nlmno\n", cx));
|
||
let (_, view) = cx.add_window(Default::default(), |cx| {
|
||
Editor::for_buffer(buffer, settings, cx)
|
||
});
|
||
|
||
view.update(cx, |view, cx| {
|
||
view.select_display_ranges(&[DisplayPoint::new(1, 3)..DisplayPoint::new(1, 3)], cx)
|
||
.unwrap();
|
||
});
|
||
view.update(cx, |view, cx| {
|
||
view.add_selection_above(&AddSelectionAbove, cx);
|
||
assert_eq!(
|
||
view.selection_ranges(cx),
|
||
vec![
|
||
DisplayPoint::new(0, 3)..DisplayPoint::new(0, 3),
|
||
DisplayPoint::new(1, 3)..DisplayPoint::new(1, 3)
|
||
]
|
||
);
|
||
});
|
||
|
||
view.update(cx, |view, cx| {
|
||
view.add_selection_above(&AddSelectionAbove, cx);
|
||
assert_eq!(
|
||
view.selection_ranges(cx),
|
||
vec![
|
||
DisplayPoint::new(0, 3)..DisplayPoint::new(0, 3),
|
||
DisplayPoint::new(1, 3)..DisplayPoint::new(1, 3)
|
||
]
|
||
);
|
||
});
|
||
|
||
view.update(cx, |view, cx| {
|
||
view.add_selection_below(&AddSelectionBelow, cx);
|
||
assert_eq!(
|
||
view.selection_ranges(cx),
|
||
vec![DisplayPoint::new(1, 3)..DisplayPoint::new(1, 3)]
|
||
);
|
||
});
|
||
|
||
view.update(cx, |view, cx| {
|
||
view.add_selection_below(&AddSelectionBelow, cx);
|
||
assert_eq!(
|
||
view.selection_ranges(cx),
|
||
vec![
|
||
DisplayPoint::new(1, 3)..DisplayPoint::new(1, 3),
|
||
DisplayPoint::new(4, 3)..DisplayPoint::new(4, 3)
|
||
]
|
||
);
|
||
});
|
||
|
||
view.update(cx, |view, cx| {
|
||
view.add_selection_below(&AddSelectionBelow, cx);
|
||
assert_eq!(
|
||
view.selection_ranges(cx),
|
||
vec![
|
||
DisplayPoint::new(1, 3)..DisplayPoint::new(1, 3),
|
||
DisplayPoint::new(4, 3)..DisplayPoint::new(4, 3)
|
||
]
|
||
);
|
||
});
|
||
|
||
view.update(cx, |view, cx| {
|
||
view.select_display_ranges(&[DisplayPoint::new(1, 4)..DisplayPoint::new(1, 3)], cx)
|
||
.unwrap();
|
||
});
|
||
view.update(cx, |view, cx| {
|
||
view.add_selection_below(&AddSelectionBelow, cx);
|
||
assert_eq!(
|
||
view.selection_ranges(cx),
|
||
vec![
|
||
DisplayPoint::new(1, 4)..DisplayPoint::new(1, 3),
|
||
DisplayPoint::new(4, 4)..DisplayPoint::new(4, 3)
|
||
]
|
||
);
|
||
});
|
||
|
||
view.update(cx, |view, cx| {
|
||
view.add_selection_below(&AddSelectionBelow, cx);
|
||
assert_eq!(
|
||
view.selection_ranges(cx),
|
||
vec![
|
||
DisplayPoint::new(1, 4)..DisplayPoint::new(1, 3),
|
||
DisplayPoint::new(4, 4)..DisplayPoint::new(4, 3)
|
||
]
|
||
);
|
||
});
|
||
|
||
view.update(cx, |view, cx| {
|
||
view.add_selection_above(&AddSelectionAbove, cx);
|
||
assert_eq!(
|
||
view.selection_ranges(cx),
|
||
vec![DisplayPoint::new(1, 4)..DisplayPoint::new(1, 3)]
|
||
);
|
||
});
|
||
|
||
view.update(cx, |view, cx| {
|
||
view.add_selection_above(&AddSelectionAbove, cx);
|
||
assert_eq!(
|
||
view.selection_ranges(cx),
|
||
vec![DisplayPoint::new(1, 4)..DisplayPoint::new(1, 3)]
|
||
);
|
||
});
|
||
|
||
view.update(cx, |view, cx| {
|
||
view.select_display_ranges(&[DisplayPoint::new(0, 1)..DisplayPoint::new(1, 4)], cx)
|
||
.unwrap();
|
||
view.add_selection_below(&AddSelectionBelow, cx);
|
||
assert_eq!(
|
||
view.selection_ranges(cx),
|
||
vec![
|
||
DisplayPoint::new(0, 1)..DisplayPoint::new(0, 3),
|
||
DisplayPoint::new(1, 1)..DisplayPoint::new(1, 4),
|
||
DisplayPoint::new(3, 1)..DisplayPoint::new(3, 2),
|
||
]
|
||
);
|
||
});
|
||
|
||
view.update(cx, |view, cx| {
|
||
view.add_selection_below(&AddSelectionBelow, cx);
|
||
assert_eq!(
|
||
view.selection_ranges(cx),
|
||
vec![
|
||
DisplayPoint::new(0, 1)..DisplayPoint::new(0, 3),
|
||
DisplayPoint::new(1, 1)..DisplayPoint::new(1, 4),
|
||
DisplayPoint::new(3, 1)..DisplayPoint::new(3, 2),
|
||
DisplayPoint::new(4, 1)..DisplayPoint::new(4, 4),
|
||
]
|
||
);
|
||
});
|
||
|
||
view.update(cx, |view, cx| {
|
||
view.add_selection_above(&AddSelectionAbove, cx);
|
||
assert_eq!(
|
||
view.selection_ranges(cx),
|
||
vec![
|
||
DisplayPoint::new(0, 1)..DisplayPoint::new(0, 3),
|
||
DisplayPoint::new(1, 1)..DisplayPoint::new(1, 4),
|
||
DisplayPoint::new(3, 1)..DisplayPoint::new(3, 2),
|
||
]
|
||
);
|
||
});
|
||
|
||
view.update(cx, |view, cx| {
|
||
view.select_display_ranges(&[DisplayPoint::new(4, 3)..DisplayPoint::new(1, 1)], cx)
|
||
.unwrap();
|
||
});
|
||
view.update(cx, |view, cx| {
|
||
view.add_selection_above(&AddSelectionAbove, cx);
|
||
assert_eq!(
|
||
view.selection_ranges(cx),
|
||
vec![
|
||
DisplayPoint::new(0, 3)..DisplayPoint::new(0, 1),
|
||
DisplayPoint::new(1, 3)..DisplayPoint::new(1, 1),
|
||
DisplayPoint::new(3, 2)..DisplayPoint::new(3, 1),
|
||
DisplayPoint::new(4, 3)..DisplayPoint::new(4, 1),
|
||
]
|
||
);
|
||
});
|
||
|
||
view.update(cx, |view, cx| {
|
||
view.add_selection_below(&AddSelectionBelow, cx);
|
||
assert_eq!(
|
||
view.selection_ranges(cx),
|
||
vec![
|
||
DisplayPoint::new(1, 3)..DisplayPoint::new(1, 1),
|
||
DisplayPoint::new(3, 2)..DisplayPoint::new(3, 1),
|
||
DisplayPoint::new(4, 3)..DisplayPoint::new(4, 1),
|
||
]
|
||
);
|
||
});
|
||
}
|
||
|
||
#[gpui::test]
|
||
async fn test_select_larger_smaller_syntax_node(mut cx: gpui::TestAppContext) {
|
||
let settings = cx.read(settings::test).1;
|
||
let languages = LanguageRegistry::new();
|
||
let lang = languages.select_language("z.rs");
|
||
let text = r#"
|
||
use mod1::mod2::{mod3, mod4};
|
||
|
||
fn fn_1(param1: bool, param2: &str) {
|
||
let var1 = "text";
|
||
}
|
||
"#
|
||
.unindent();
|
||
let buffer = cx.add_model(|cx| {
|
||
let history = History::new(text.into());
|
||
Buffer::from_history(0, history, None, lang.cloned(), cx)
|
||
});
|
||
let (_, view) = cx.add_window(|cx| Editor::for_buffer(buffer, settings.clone(), cx));
|
||
view.condition(&cx, |view, cx| !view.buffer.read(cx).is_parsing())
|
||
.await;
|
||
|
||
view.update(&mut cx, |view, cx| {
|
||
view.select_display_ranges(
|
||
&[
|
||
DisplayPoint::new(0, 25)..DisplayPoint::new(0, 25),
|
||
DisplayPoint::new(2, 24)..DisplayPoint::new(2, 12),
|
||
DisplayPoint::new(3, 18)..DisplayPoint::new(3, 18),
|
||
],
|
||
cx,
|
||
)
|
||
.unwrap();
|
||
view.select_larger_syntax_node(&SelectLargerSyntaxNode, cx);
|
||
});
|
||
assert_eq!(
|
||
view.update(&mut cx, |view, cx| view.selection_ranges(cx)),
|
||
&[
|
||
DisplayPoint::new(0, 23)..DisplayPoint::new(0, 27),
|
||
DisplayPoint::new(2, 35)..DisplayPoint::new(2, 7),
|
||
DisplayPoint::new(3, 15)..DisplayPoint::new(3, 21),
|
||
]
|
||
);
|
||
|
||
view.update(&mut cx, |view, cx| {
|
||
view.select_larger_syntax_node(&SelectLargerSyntaxNode, cx);
|
||
});
|
||
assert_eq!(
|
||
view.update(&mut cx, |view, cx| view.selection_ranges(cx)),
|
||
&[
|
||
DisplayPoint::new(0, 16)..DisplayPoint::new(0, 28),
|
||
DisplayPoint::new(4, 1)..DisplayPoint::new(2, 0),
|
||
]
|
||
);
|
||
|
||
view.update(&mut cx, |view, cx| {
|
||
view.select_larger_syntax_node(&SelectLargerSyntaxNode, cx);
|
||
});
|
||
assert_eq!(
|
||
view.update(&mut cx, |view, cx| view.selection_ranges(cx)),
|
||
&[DisplayPoint::new(5, 0)..DisplayPoint::new(0, 0)]
|
||
);
|
||
|
||
// Trying to expand the selected syntax node one more time has no effect.
|
||
view.update(&mut cx, |view, cx| {
|
||
view.select_larger_syntax_node(&SelectLargerSyntaxNode, cx);
|
||
});
|
||
assert_eq!(
|
||
view.update(&mut cx, |view, cx| view.selection_ranges(cx)),
|
||
&[DisplayPoint::new(5, 0)..DisplayPoint::new(0, 0)]
|
||
);
|
||
|
||
view.update(&mut cx, |view, cx| {
|
||
view.select_smaller_syntax_node(&SelectSmallerSyntaxNode, cx);
|
||
});
|
||
assert_eq!(
|
||
view.update(&mut cx, |view, cx| view.selection_ranges(cx)),
|
||
&[
|
||
DisplayPoint::new(0, 16)..DisplayPoint::new(0, 28),
|
||
DisplayPoint::new(4, 1)..DisplayPoint::new(2, 0),
|
||
]
|
||
);
|
||
|
||
view.update(&mut cx, |view, cx| {
|
||
view.select_smaller_syntax_node(&SelectSmallerSyntaxNode, cx);
|
||
});
|
||
assert_eq!(
|
||
view.update(&mut cx, |view, cx| view.selection_ranges(cx)),
|
||
&[
|
||
DisplayPoint::new(0, 23)..DisplayPoint::new(0, 27),
|
||
DisplayPoint::new(2, 35)..DisplayPoint::new(2, 7),
|
||
DisplayPoint::new(3, 15)..DisplayPoint::new(3, 21),
|
||
]
|
||
);
|
||
|
||
view.update(&mut cx, |view, cx| {
|
||
view.select_smaller_syntax_node(&SelectSmallerSyntaxNode, cx);
|
||
});
|
||
assert_eq!(
|
||
view.update(&mut cx, |view, cx| view.selection_ranges(cx)),
|
||
&[
|
||
DisplayPoint::new(0, 25)..DisplayPoint::new(0, 25),
|
||
DisplayPoint::new(2, 24)..DisplayPoint::new(2, 12),
|
||
DisplayPoint::new(3, 18)..DisplayPoint::new(3, 18),
|
||
]
|
||
);
|
||
|
||
// Trying to shrink the selected syntax node one more time has no effect.
|
||
view.update(&mut cx, |view, cx| {
|
||
view.select_smaller_syntax_node(&SelectSmallerSyntaxNode, cx);
|
||
});
|
||
assert_eq!(
|
||
view.update(&mut cx, |view, cx| view.selection_ranges(cx)),
|
||
&[
|
||
DisplayPoint::new(0, 25)..DisplayPoint::new(0, 25),
|
||
DisplayPoint::new(2, 24)..DisplayPoint::new(2, 12),
|
||
DisplayPoint::new(3, 18)..DisplayPoint::new(3, 18),
|
||
]
|
||
);
|
||
|
||
// Ensure that we keep expanding the selection if the larger selection starts or ends within
|
||
// a fold.
|
||
view.update(&mut cx, |view, cx| {
|
||
view.fold_ranges(
|
||
vec![
|
||
Point::new(0, 21)..Point::new(0, 24),
|
||
Point::new(3, 20)..Point::new(3, 22),
|
||
],
|
||
cx,
|
||
);
|
||
view.select_larger_syntax_node(&SelectLargerSyntaxNode, cx);
|
||
});
|
||
assert_eq!(
|
||
view.update(&mut cx, |view, cx| view.selection_ranges(cx)),
|
||
&[
|
||
DisplayPoint::new(0, 16)..DisplayPoint::new(0, 28),
|
||
DisplayPoint::new(2, 35)..DisplayPoint::new(2, 7),
|
||
DisplayPoint::new(3, 4)..DisplayPoint::new(3, 23),
|
||
]
|
||
);
|
||
}
|
||
|
||
impl Editor {
|
||
fn selection_ranges(&self, cx: &mut MutableAppContext) -> Vec<Range<DisplayPoint>> {
|
||
self.selections_in_range(
|
||
self.selection_set_id,
|
||
DisplayPoint::zero()..self.max_point(cx),
|
||
cx,
|
||
)
|
||
.collect::<Vec<_>>()
|
||
}
|
||
}
|
||
|
||
fn empty_range(row: usize, column: usize) -> Range<DisplayPoint> {
|
||
let point = DisplayPoint::new(row as u32, column as u32);
|
||
point..point
|
||
}
|
||
}
|
||
|
||
trait RangeExt<T> {
|
||
fn sorted(&self) -> Range<T>;
|
||
fn to_inclusive(&self) -> RangeInclusive<T>;
|
||
}
|
||
|
||
impl<T: Ord + Clone> RangeExt<T> for Range<T> {
|
||
fn sorted(&self) -> Self {
|
||
cmp::min(&self.start, &self.end).clone()..cmp::max(&self.start, &self.end).clone()
|
||
}
|
||
|
||
fn to_inclusive(&self) -> RangeInclusive<T> {
|
||
self.start.clone()..=self.end.clone()
|
||
}
|
||
}
|