4514 lines
165 KiB
Rust
4514 lines
165 KiB
Rust
pub mod display_map;
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mod element;
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pub mod movement;
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#[cfg(test)]
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mod test;
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use buffer::*;
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use clock::ReplicaId;
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pub use display_map::DisplayPoint;
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use display_map::*;
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pub use element::*;
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use gpui::{
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action, color::Color, fonts::TextStyle, geometry::vector::Vector2F, keymap::Binding,
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text_layout, AppContext, ClipboardItem, Element, ElementBox, Entity, ModelHandle,
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MutableAppContext, RenderContext, View, ViewContext, WeakViewHandle,
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};
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use serde::{Deserialize, Serialize};
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use smallvec::SmallVec;
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use smol::Timer;
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use std::{
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cell::RefCell,
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cmp::{self, Ordering},
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mem,
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ops::{Range, RangeInclusive},
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rc::Rc,
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sync::Arc,
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time::Duration,
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};
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use sum_tree::Bias;
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use theme::EditorStyle;
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use util::post_inc;
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const CURSOR_BLINK_INTERVAL: Duration = Duration::from_millis(500);
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const MAX_LINE_LEN: usize = 1024;
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action!(Cancel);
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action!(Backspace);
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action!(Delete);
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action!(Input, String);
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action!(DeleteLine);
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action!(DeleteToPreviousWordBoundary);
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action!(DeleteToNextWordBoundary);
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action!(DeleteToBeginningOfLine);
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action!(DeleteToEndOfLine);
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action!(CutToEndOfLine);
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action!(DuplicateLine);
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action!(MoveLineUp);
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action!(MoveLineDown);
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action!(Cut);
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action!(Copy);
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action!(Paste);
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action!(Undo);
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action!(Redo);
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action!(MoveUp);
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action!(MoveDown);
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action!(MoveLeft);
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action!(MoveRight);
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action!(MoveToPreviousWordBoundary);
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action!(MoveToNextWordBoundary);
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action!(MoveToBeginningOfLine);
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action!(MoveToEndOfLine);
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action!(MoveToBeginning);
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action!(MoveToEnd);
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action!(SelectUp);
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action!(SelectDown);
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action!(SelectLeft);
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action!(SelectRight);
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action!(SelectToPreviousWordBoundary);
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action!(SelectToNextWordBoundary);
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action!(SelectToBeginningOfLine, bool);
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action!(SelectToEndOfLine);
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action!(SelectToBeginning);
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action!(SelectToEnd);
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action!(SelectAll);
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action!(SelectLine);
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action!(SplitSelectionIntoLines);
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action!(AddSelectionAbove);
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action!(AddSelectionBelow);
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action!(SelectLargerSyntaxNode);
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action!(SelectSmallerSyntaxNode);
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action!(MoveToEnclosingBracket);
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action!(PageUp);
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action!(PageDown);
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action!(Fold);
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action!(Unfold);
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action!(FoldSelectedRanges);
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action!(Scroll, Vector2F);
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action!(Select, SelectPhase);
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pub fn init(cx: &mut MutableAppContext) {
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cx.add_bindings(vec![
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Binding::new("escape", Cancel, Some("Editor")),
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Binding::new("backspace", Backspace, Some("Editor")),
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Binding::new("ctrl-h", Backspace, Some("Editor")),
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Binding::new("delete", Delete, Some("Editor")),
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Binding::new("ctrl-d", Delete, Some("Editor")),
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Binding::new("enter", Input("\n".into()), Some("Editor && mode == full")),
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Binding::new(
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"alt-enter",
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Input("\n".into()),
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Some("Editor && mode == auto_height"),
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),
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Binding::new("tab", Input("\t".into()), Some("Editor")),
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Binding::new("ctrl-shift-K", DeleteLine, Some("Editor")),
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Binding::new(
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"alt-backspace",
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DeleteToPreviousWordBoundary,
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Some("Editor"),
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),
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Binding::new("alt-h", DeleteToPreviousWordBoundary, Some("Editor")),
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Binding::new("alt-delete", DeleteToNextWordBoundary, Some("Editor")),
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Binding::new("alt-d", DeleteToNextWordBoundary, Some("Editor")),
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Binding::new("cmd-backspace", DeleteToBeginningOfLine, Some("Editor")),
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Binding::new("cmd-delete", DeleteToEndOfLine, Some("Editor")),
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Binding::new("ctrl-k", CutToEndOfLine, Some("Editor")),
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Binding::new("cmd-shift-D", DuplicateLine, Some("Editor")),
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Binding::new("ctrl-cmd-up", MoveLineUp, Some("Editor")),
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Binding::new("ctrl-cmd-down", MoveLineDown, Some("Editor")),
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Binding::new("cmd-x", Cut, Some("Editor")),
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Binding::new("cmd-c", Copy, Some("Editor")),
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Binding::new("cmd-v", Paste, Some("Editor")),
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Binding::new("cmd-z", Undo, Some("Editor")),
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Binding::new("cmd-shift-Z", Redo, Some("Editor")),
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Binding::new("up", MoveUp, Some("Editor")),
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Binding::new("down", MoveDown, Some("Editor")),
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Binding::new("left", MoveLeft, Some("Editor")),
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Binding::new("right", MoveRight, Some("Editor")),
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Binding::new("ctrl-p", MoveUp, Some("Editor")),
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Binding::new("ctrl-n", MoveDown, Some("Editor")),
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Binding::new("ctrl-b", MoveLeft, Some("Editor")),
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Binding::new("ctrl-f", MoveRight, Some("Editor")),
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Binding::new("alt-left", MoveToPreviousWordBoundary, Some("Editor")),
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Binding::new("alt-b", MoveToPreviousWordBoundary, Some("Editor")),
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Binding::new("alt-right", MoveToNextWordBoundary, Some("Editor")),
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Binding::new("alt-f", MoveToNextWordBoundary, Some("Editor")),
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Binding::new("cmd-left", MoveToBeginningOfLine, Some("Editor")),
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Binding::new("ctrl-a", MoveToBeginningOfLine, Some("Editor")),
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Binding::new("cmd-right", MoveToEndOfLine, Some("Editor")),
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Binding::new("ctrl-e", MoveToEndOfLine, Some("Editor")),
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Binding::new("cmd-up", MoveToBeginning, Some("Editor")),
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Binding::new("cmd-down", MoveToEnd, Some("Editor")),
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Binding::new("shift-up", SelectUp, Some("Editor")),
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Binding::new("ctrl-shift-P", SelectUp, Some("Editor")),
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Binding::new("shift-down", SelectDown, Some("Editor")),
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Binding::new("ctrl-shift-N", SelectDown, Some("Editor")),
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Binding::new("shift-left", SelectLeft, Some("Editor")),
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Binding::new("ctrl-shift-B", SelectLeft, Some("Editor")),
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Binding::new("shift-right", SelectRight, Some("Editor")),
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Binding::new("ctrl-shift-F", SelectRight, Some("Editor")),
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Binding::new(
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"alt-shift-left",
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SelectToPreviousWordBoundary,
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Some("Editor"),
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),
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Binding::new("alt-shift-B", SelectToPreviousWordBoundary, Some("Editor")),
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Binding::new("alt-shift-right", SelectToNextWordBoundary, Some("Editor")),
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Binding::new("alt-shift-F", SelectToNextWordBoundary, Some("Editor")),
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Binding::new(
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"cmd-shift-left",
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SelectToBeginningOfLine(true),
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Some("Editor"),
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),
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Binding::new(
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"ctrl-shift-A",
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SelectToBeginningOfLine(true),
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Some("Editor"),
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),
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Binding::new("cmd-shift-right", SelectToEndOfLine, Some("Editor")),
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Binding::new("ctrl-shift-E", SelectToEndOfLine, Some("Editor")),
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Binding::new("cmd-shift-up", SelectToBeginning, Some("Editor")),
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Binding::new("cmd-shift-down", SelectToEnd, Some("Editor")),
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Binding::new("cmd-a", SelectAll, Some("Editor")),
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Binding::new("cmd-l", SelectLine, Some("Editor")),
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Binding::new("cmd-shift-L", SplitSelectionIntoLines, Some("Editor")),
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Binding::new("cmd-alt-up", AddSelectionAbove, Some("Editor")),
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Binding::new("cmd-ctrl-p", AddSelectionAbove, Some("Editor")),
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Binding::new("cmd-alt-down", AddSelectionBelow, Some("Editor")),
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Binding::new("cmd-ctrl-n", AddSelectionBelow, Some("Editor")),
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Binding::new("alt-up", SelectLargerSyntaxNode, Some("Editor")),
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Binding::new("ctrl-w", SelectLargerSyntaxNode, Some("Editor")),
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Binding::new("alt-down", SelectSmallerSyntaxNode, Some("Editor")),
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Binding::new("ctrl-shift-W", SelectSmallerSyntaxNode, Some("Editor")),
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Binding::new("ctrl-m", MoveToEnclosingBracket, Some("Editor")),
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Binding::new("pageup", PageUp, Some("Editor")),
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Binding::new("pagedown", PageDown, Some("Editor")),
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Binding::new("alt-cmd-[", Fold, Some("Editor")),
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Binding::new("alt-cmd-]", Unfold, Some("Editor")),
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Binding::new("alt-cmd-f", FoldSelectedRanges, Some("Editor")),
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]);
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cx.add_action(|this: &mut Editor, action: &Scroll, cx| this.set_scroll_position(action.0, cx));
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cx.add_action(Editor::select);
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cx.add_action(Editor::cancel);
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cx.add_action(Editor::handle_input);
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cx.add_action(Editor::backspace);
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cx.add_action(Editor::delete);
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cx.add_action(Editor::delete_line);
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cx.add_action(Editor::delete_to_previous_word_boundary);
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cx.add_action(Editor::delete_to_next_word_boundary);
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cx.add_action(Editor::delete_to_beginning_of_line);
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cx.add_action(Editor::delete_to_end_of_line);
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cx.add_action(Editor::cut_to_end_of_line);
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cx.add_action(Editor::duplicate_line);
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cx.add_action(Editor::move_line_up);
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cx.add_action(Editor::move_line_down);
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cx.add_action(Editor::cut);
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cx.add_action(Editor::copy);
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cx.add_action(Editor::paste);
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cx.add_action(Editor::undo);
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cx.add_action(Editor::redo);
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cx.add_action(Editor::move_up);
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cx.add_action(Editor::move_down);
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cx.add_action(Editor::move_left);
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cx.add_action(Editor::move_right);
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cx.add_action(Editor::move_to_previous_word_boundary);
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cx.add_action(Editor::move_to_next_word_boundary);
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cx.add_action(Editor::move_to_beginning_of_line);
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cx.add_action(Editor::move_to_end_of_line);
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cx.add_action(Editor::move_to_beginning);
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cx.add_action(Editor::move_to_end);
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cx.add_action(Editor::select_up);
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cx.add_action(Editor::select_down);
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cx.add_action(Editor::select_left);
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cx.add_action(Editor::select_right);
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cx.add_action(Editor::select_to_previous_word_boundary);
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cx.add_action(Editor::select_to_next_word_boundary);
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cx.add_action(Editor::select_to_beginning_of_line);
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cx.add_action(Editor::select_to_end_of_line);
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cx.add_action(Editor::select_to_beginning);
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cx.add_action(Editor::select_to_end);
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cx.add_action(Editor::select_all);
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cx.add_action(Editor::select_line);
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cx.add_action(Editor::split_selection_into_lines);
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cx.add_action(Editor::add_selection_above);
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cx.add_action(Editor::add_selection_below);
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cx.add_action(Editor::select_larger_syntax_node);
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cx.add_action(Editor::select_smaller_syntax_node);
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cx.add_action(Editor::move_to_enclosing_bracket);
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cx.add_action(Editor::page_up);
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cx.add_action(Editor::page_down);
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cx.add_action(Editor::fold);
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cx.add_action(Editor::unfold);
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cx.add_action(Editor::fold_selected_ranges);
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}
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trait SelectionExt {
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fn display_range(&self, map: &DisplayMapSnapshot) -> Range<DisplayPoint>;
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fn spanned_rows(
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&self,
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include_end_if_at_line_start: bool,
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map: &DisplayMapSnapshot,
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) -> SpannedRows;
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}
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struct SpannedRows {
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buffer_rows: Range<u32>,
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display_rows: Range<u32>,
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}
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#[derive(Clone, Debug)]
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pub enum SelectPhase {
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Begin {
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position: DisplayPoint,
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add: bool,
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},
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Update {
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position: DisplayPoint,
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scroll_position: Vector2F,
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},
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End,
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}
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#[derive(Copy, Clone, PartialEq, Eq)]
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pub enum EditorMode {
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SingleLine,
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AutoHeight { max_lines: usize },
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Full,
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}
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#[derive(Clone)]
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pub struct EditorSettings {
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pub tab_size: usize,
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pub style: EditorStyle,
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}
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pub struct Editor {
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handle: WeakViewHandle<Self>,
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buffer: ModelHandle<Buffer>,
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display_map: ModelHandle<DisplayMap>,
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selection_set_id: SelectionSetId,
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pending_selection: Option<Selection>,
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next_selection_id: usize,
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add_selections_state: Option<AddSelectionsState>,
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autoclose_stack: Vec<AutoclosePairState>,
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select_larger_syntax_node_stack: Vec<Arc<[Selection]>>,
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scroll_position: Vector2F,
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scroll_top_anchor: Anchor,
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autoscroll_requested: bool,
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build_settings: Rc<RefCell<dyn Fn(&AppContext) -> EditorSettings>>,
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focused: bool,
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show_local_cursors: bool,
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blink_epoch: usize,
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blinking_paused: bool,
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mode: EditorMode,
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placeholder_text: Option<Arc<str>>,
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}
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pub struct Snapshot {
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pub mode: EditorMode,
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pub display_snapshot: DisplayMapSnapshot,
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pub placeholder_text: Option<Arc<str>>,
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is_focused: bool,
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scroll_position: Vector2F,
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scroll_top_anchor: Anchor,
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}
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struct AddSelectionsState {
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above: bool,
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stack: Vec<usize>,
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}
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struct AutoclosePairState {
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ranges: SmallVec<[Range<Anchor>; 32]>,
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pair: AutoclosePair,
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}
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#[derive(Serialize, Deserialize)]
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struct ClipboardSelection {
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len: usize,
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is_entire_line: bool,
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}
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impl Editor {
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pub fn single_line(
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build_settings: impl 'static + Fn(&AppContext) -> EditorSettings,
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cx: &mut ViewContext<Self>,
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) -> Self {
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let buffer = cx.add_model(|cx| Buffer::new(0, String::new(), cx));
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let mut view = Self::for_buffer(buffer, build_settings, cx);
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view.mode = EditorMode::SingleLine;
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view
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}
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pub fn auto_height(
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max_lines: usize,
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build_settings: impl 'static + Fn(&AppContext) -> EditorSettings,
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cx: &mut ViewContext<Self>,
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) -> Self {
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let buffer = cx.add_model(|cx| Buffer::new(0, String::new(), cx));
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let mut view = Self::for_buffer(buffer, build_settings, cx);
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view.mode = EditorMode::AutoHeight { max_lines };
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view
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}
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pub fn for_buffer(
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buffer: ModelHandle<Buffer>,
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build_settings: impl 'static + Fn(&AppContext) -> EditorSettings,
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cx: &mut ViewContext<Self>,
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) -> Self {
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Self::new(buffer, Rc::new(RefCell::new(build_settings)), cx)
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}
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pub fn clone(&self, cx: &mut ViewContext<Self>) -> Self {
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let mut clone = Self::new(self.buffer.clone(), self.build_settings.clone(), cx);
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clone.scroll_position = self.scroll_position;
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clone.scroll_top_anchor = self.scroll_top_anchor.clone();
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clone
|
||
}
|
||
|
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pub fn new(
|
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buffer: ModelHandle<Buffer>,
|
||
build_settings: Rc<RefCell<dyn Fn(&AppContext) -> EditorSettings>>,
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cx: &mut ViewContext<Self>,
|
||
) -> Self {
|
||
let settings = build_settings.borrow_mut()(cx);
|
||
let display_map = cx.add_model(|cx| {
|
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DisplayMap::new(
|
||
buffer.clone(),
|
||
settings.tab_size,
|
||
settings.style.text.font_id,
|
||
settings.style.text.font_size,
|
||
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,
|
||
autoclose_stack: Default::default(),
|
||
select_larger_syntax_node_stack: Vec::new(),
|
||
build_settings,
|
||
scroll_position: Vector2F::zero(),
|
||
scroll_top_anchor: Anchor::min(),
|
||
autoscroll_requested: false,
|
||
focused: false,
|
||
show_local_cursors: false,
|
||
blink_epoch: 0,
|
||
blinking_paused: false,
|
||
mode: EditorMode::Full,
|
||
placeholder_text: None,
|
||
}
|
||
}
|
||
|
||
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 {
|
||
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(),
|
||
placeholder_text: self.placeholder_text.clone(),
|
||
is_focused: self
|
||
.handle
|
||
.upgrade(cx)
|
||
.map_or(false, |handle| handle.is_focused(cx)),
|
||
}
|
||
}
|
||
|
||
pub fn language<'a>(&self, cx: &'a AppContext) -> Option<&'a Arc<Language>> {
|
||
self.buffer.read(cx).language()
|
||
}
|
||
|
||
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 selections = self.selections(cx);
|
||
let first_cursor_top = selections
|
||
.first()
|
||
.unwrap()
|
||
.head()
|
||
.to_display_point(&display_map, Bias::Left)
|
||
.row() as f32;
|
||
let last_cursor_bottom = selections
|
||
.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 ViewContext<Self>,
|
||
) -> bool {
|
||
let selections = self.selections(cx);
|
||
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 selections.iter() {
|
||
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).to_vec();
|
||
let ix = self.selection_insertion_index(&selections, &selection.start, cx.as_ref());
|
||
selections.insert(ix, selection);
|
||
self.update_selections(selections, false, cx);
|
||
}
|
||
}
|
||
|
||
pub fn is_selecting(&self) -> bool {
|
||
self.pending_selection.is_some()
|
||
}
|
||
|
||
pub fn cancel(&mut self, _: &Cancel, cx: &mut ViewContext<Self>) {
|
||
if let Some(pending_selection) = self.pending_selection.take() {
|
||
let selections = self.selections(cx);
|
||
if selections.is_empty() {
|
||
self.update_selections(vec![pending_selection], true, cx);
|
||
}
|
||
} else {
|
||
let selections = self.selections(cx);
|
||
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>,
|
||
) -> anyhow::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 handle_input(&mut self, action: &Input, cx: &mut ViewContext<Self>) {
|
||
let text = action.0.as_ref();
|
||
if !self.skip_autoclose_end(text, cx) {
|
||
self.start_transaction(cx);
|
||
self.insert(text, cx);
|
||
self.request_autoindent(cx);
|
||
self.autoclose_pairs(cx);
|
||
self.end_transaction(cx);
|
||
}
|
||
}
|
||
|
||
fn insert(&mut self, text: &str, cx: &mut ViewContext<Self>) {
|
||
self.start_transaction(cx);
|
||
let mut old_selections = SmallVec::<[_; 32]>::new();
|
||
{
|
||
let selections = self.selections(cx);
|
||
let buffer = self.buffer.read(cx);
|
||
for selection in selections.iter() {
|
||
let start = selection.start.to_offset(buffer);
|
||
let end = selection.end.to_offset(buffer);
|
||
old_selections.push((selection.id, start..end));
|
||
}
|
||
}
|
||
|
||
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, text, cx);
|
||
let text_len = text.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);
|
||
}
|
||
|
||
fn request_autoindent(&mut self, cx: &mut ViewContext<Self>) {
|
||
let selections = self.selections(cx);
|
||
let tab_size = self.build_settings.borrow()(cx).tab_size as u8;
|
||
self.buffer.update(cx, |buffer, _| {
|
||
for selection in selections.iter() {
|
||
let row = selection.head().to_point(&*buffer).row;
|
||
buffer.request_autoindent_for_line(row, tab_size, true);
|
||
}
|
||
});
|
||
}
|
||
|
||
fn autoclose_pairs(&mut self, cx: &mut ViewContext<Self>) {
|
||
let selections = self.selections(cx);
|
||
let new_autoclose_pair_state = self.buffer.update(cx, |buffer, cx| {
|
||
let autoclose_pair = buffer.language().and_then(|language| {
|
||
let first_selection_start = selections.first().unwrap().start.to_offset(&*buffer);
|
||
let pair = language.autoclose_pairs().iter().find(|pair| {
|
||
buffer.contains_str_at(
|
||
first_selection_start.saturating_sub(pair.start.len()),
|
||
&pair.start,
|
||
)
|
||
});
|
||
pair.and_then(|pair| {
|
||
let should_autoclose = selections[1..].iter().all(|selection| {
|
||
let selection_start = selection.start.to_offset(&*buffer);
|
||
buffer.contains_str_at(
|
||
selection_start.saturating_sub(pair.start.len()),
|
||
&pair.start,
|
||
)
|
||
});
|
||
|
||
if should_autoclose {
|
||
Some(pair.clone())
|
||
} else {
|
||
None
|
||
}
|
||
})
|
||
});
|
||
|
||
autoclose_pair.and_then(|pair| {
|
||
let selection_ranges = selections
|
||
.iter()
|
||
.map(|selection| {
|
||
let start = selection.start.to_offset(&*buffer);
|
||
start..start
|
||
})
|
||
.collect::<SmallVec<[_; 32]>>();
|
||
|
||
buffer.edit(selection_ranges, &pair.end, cx);
|
||
|
||
if pair.end.len() == 1 {
|
||
Some(AutoclosePairState {
|
||
ranges: selections
|
||
.iter()
|
||
.map(|selection| {
|
||
selection.start.bias_left(buffer)
|
||
..selection.start.bias_right(buffer)
|
||
})
|
||
.collect(),
|
||
pair,
|
||
})
|
||
} else {
|
||
None
|
||
}
|
||
})
|
||
});
|
||
self.autoclose_stack.extend(new_autoclose_pair_state);
|
||
}
|
||
|
||
fn skip_autoclose_end(&mut self, text: &str, cx: &mut ViewContext<Self>) -> bool {
|
||
let old_selections = self.selections(cx);
|
||
let autoclose_pair_state = if let Some(autoclose_pair_state) = self.autoclose_stack.last() {
|
||
autoclose_pair_state
|
||
} else {
|
||
return false;
|
||
};
|
||
if text != autoclose_pair_state.pair.end {
|
||
return false;
|
||
}
|
||
|
||
debug_assert_eq!(old_selections.len(), autoclose_pair_state.ranges.len());
|
||
|
||
let buffer = self.buffer.read(cx);
|
||
let old_selection_ranges: SmallVec<[_; 32]> = old_selections
|
||
.iter()
|
||
.map(|selection| (selection.id, selection.offset_range(buffer)))
|
||
.collect();
|
||
if old_selection_ranges
|
||
.iter()
|
||
.zip(&autoclose_pair_state.ranges)
|
||
.all(|((_, selection_range), autoclose_range)| {
|
||
let autoclose_range_end = autoclose_range.end.to_offset(buffer);
|
||
selection_range.is_empty() && selection_range.start == autoclose_range_end
|
||
})
|
||
{
|
||
let new_selections = old_selection_ranges
|
||
.into_iter()
|
||
.map(|(id, range)| {
|
||
let new_head = buffer.anchor_before(range.start + 1);
|
||
Selection {
|
||
id,
|
||
start: new_head.clone(),
|
||
end: new_head,
|
||
reversed: false,
|
||
goal: SelectionGoal::None,
|
||
}
|
||
})
|
||
.collect();
|
||
self.autoclose_stack.pop();
|
||
self.update_selections(new_selections, true, cx);
|
||
true
|
||
} else {
|
||
false
|
||
}
|
||
}
|
||
|
||
pub fn clear(&mut self, cx: &mut ViewContext<Self>) {
|
||
self.start_transaction(cx);
|
||
self.select_all(&SelectAll, cx);
|
||
self.insert("", 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).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("", 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).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(&"", cx);
|
||
self.end_transaction(cx);
|
||
}
|
||
|
||
pub fn delete_line(&mut self, _: &DeleteLine, cx: &mut ViewContext<Self>) {
|
||
self.start_transaction(cx);
|
||
|
||
let selections = self.selections(cx);
|
||
let display_map = self.display_map.update(cx, |map, cx| map.snapshot(cx));
|
||
let buffer = self.buffer.read(cx);
|
||
|
||
let mut new_cursors = Vec::new();
|
||
let mut edit_ranges = Vec::new();
|
||
|
||
let mut selections = selections.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).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 selections = self.selections(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 new_selection_ranges = Vec::new();
|
||
let mut old_folds = Vec::new();
|
||
let mut new_folds = Vec::new();
|
||
|
||
let mut selections = selections.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 selections = self.selections(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 new_selection_ranges = Vec::new();
|
||
let mut old_folds = Vec::new();
|
||
let mut new_folds = Vec::new();
|
||
|
||
let mut selections = selections.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).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("", 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 selections = self.selections(cx);
|
||
let buffer = self.buffer.read(cx);
|
||
let max_point = buffer.max_point();
|
||
let mut text = String::new();
|
||
let mut clipboard_selections = Vec::with_capacity(selections.len());
|
||
for selection in selections.iter() {
|
||
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);
|
||
let all_selections_were_entire_line =
|
||
clipboard_selections.iter().all(|s| s.is_entire_line);
|
||
if clipboard_selections.len() != selections.len() {
|
||
clipboard_selections.clear();
|
||
}
|
||
|
||
let mut start_offset = 0;
|
||
let mut new_selections = Vec::with_capacity(selections.len());
|
||
for (i, selection) in selections.iter().enumerate() {
|
||
let to_insert;
|
||
let entire_line;
|
||
if let Some(clipboard_selection) = clipboard_selections.get(i) {
|
||
let end_offset = start_offset + clipboard_selection.len;
|
||
to_insert = &clipboard_text[start_offset..end_offset];
|
||
entire_line = clipboard_selection.is_entire_line;
|
||
start_offset = end_offset
|
||
} else {
|
||
to_insert = clipboard_text.as_str();
|
||
entire_line = all_selections_were_entire_line;
|
||
}
|
||
|
||
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 && 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);
|
||
} else {
|
||
self.insert(clipboard_text, 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 mut selections = self.selections(cx).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).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).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).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).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).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).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);
|
||
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 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::prev_word_boundary(&display_map, head).unwrap(),
|
||
Bias::Right,
|
||
);
|
||
selection.set_head(&buffer, cursor);
|
||
selection.goal = SelectionGoal::None;
|
||
}
|
||
}
|
||
}
|
||
|
||
self.update_selections(selections, true, cx);
|
||
self.insert("", 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);
|
||
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 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::next_word_boundary(&display_map, head).unwrap(),
|
||
Bias::Right,
|
||
);
|
||
selection.set_head(&buffer, cursor);
|
||
selection.goal = SelectionGoal::None;
|
||
}
|
||
}
|
||
}
|
||
|
||
self.update_selections(selections, true, cx);
|
||
self.insert("", 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).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).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 mut selections = self.selections(cx).to_vec();
|
||
let buffer = self.buffer.read(cx);
|
||
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 selections = self.selections(cx);
|
||
let buffer = self.buffer.read(cx);
|
||
|
||
let mut to_unfold = Vec::new();
|
||
let mut new_selections = Vec::new();
|
||
for selection in selections.iter() {
|
||
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 old_selections = self.selections(cx);
|
||
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 mut new_selection_ranges = Vec::new();
|
||
for selection in old_selections.iter() {
|
||
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.to_vec(), true, cx);
|
||
}
|
||
self.select_larger_syntax_node_stack = stack;
|
||
}
|
||
|
||
pub fn move_to_enclosing_bracket(
|
||
&mut self,
|
||
_: &MoveToEnclosingBracket,
|
||
cx: &mut ViewContext<Self>,
|
||
) {
|
||
let mut selections = self.selections(cx).to_vec();
|
||
let buffer = self.buffer.read(cx.as_ref());
|
||
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(&mut self, cx: &mut ViewContext<Self>) -> Arc<[Selection]> {
|
||
self.end_selection(cx);
|
||
let buffer = self.buffer.read(cx);
|
||
buffer
|
||
.selection_set(self.selection_set_id)
|
||
.unwrap()
|
||
.selections
|
||
.clone()
|
||
}
|
||
|
||
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.add_selections_state = None;
|
||
self.select_larger_syntax_node_stack.clear();
|
||
while let Some(autoclose_pair_state) = self.autoclose_stack.last() {
|
||
let all_selections_inside_autoclose_ranges =
|
||
if selections.len() == autoclose_pair_state.ranges.len() {
|
||
selections.iter().zip(&autoclose_pair_state.ranges).all(
|
||
|(selection, autoclose_range)| {
|
||
let head = selection.head();
|
||
autoclose_range.start.cmp(head, buffer).unwrap() <= Ordering::Equal
|
||
&& autoclose_range.end.cmp(head, buffer).unwrap() >= Ordering::Equal
|
||
},
|
||
)
|
||
} else {
|
||
false
|
||
};
|
||
|
||
if all_selections_inside_autoclose_ranges {
|
||
break;
|
||
} else {
|
||
self.autoclose_stack.pop();
|
||
}
|
||
}
|
||
|
||
if autoscroll {
|
||
self.autoscroll_requested = true;
|
||
cx.notify();
|
||
}
|
||
|
||
self.pause_cursor_blinking(cx);
|
||
|
||
self.buffer.update(cx, |buffer, cx| {
|
||
buffer
|
||
.update_selection_set(self.selection_set_id, selections, cx)
|
||
.unwrap();
|
||
});
|
||
}
|
||
|
||
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 selections = self.selections(cx);
|
||
let display_map = self.display_map.update(cx, |map, cx| map.snapshot(cx));
|
||
for selection in selections.iter() {
|
||
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 selections = self.selections(cx);
|
||
let display_map = self.display_map.update(cx, |map, cx| map.snapshot(cx));
|
||
let buffer = self.buffer.read(cx);
|
||
let ranges = selections
|
||
.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 selections = self.selections(cx);
|
||
let buffer = self.buffer.read(cx);
|
||
let ranges = selections
|
||
.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.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.show_local_cursors = 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.show_local_cursors = !self.show_local_cursors;
|
||
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 show_local_cursors(&self) -> bool {
|
||
self.show_local_cursors
|
||
}
|
||
|
||
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::Closed => cx.emit(Event::Closed),
|
||
buffer::Event::Reparsed => {}
|
||
}
|
||
}
|
||
|
||
fn on_display_map_changed(&mut self, _: ModelHandle<DisplayMap>, cx: &mut ViewContext<Self>) {
|
||
cx.notify();
|
||
}
|
||
}
|
||
|
||
impl Snapshot {
|
||
pub fn is_empty(&self) -> bool {
|
||
self.display_snapshot.is_empty()
|
||
}
|
||
|
||
pub fn is_focused(&self) -> bool {
|
||
self.is_focused
|
||
}
|
||
|
||
pub fn placeholder_text(&self) -> Option<&Arc<str>> {
|
||
self.placeholder_text.as_ref()
|
||
}
|
||
|
||
pub fn buffer_row_count(&self) -> u32 {
|
||
self.display_snapshot.buffer_row_count()
|
||
}
|
||
|
||
pub fn buffer_rows(&self, start_row: u32) -> BufferRows {
|
||
self.display_snapshot.buffer_rows(start_row)
|
||
}
|
||
|
||
pub fn highlighted_chunks_for_rows(
|
||
&mut self,
|
||
display_rows: Range<u32>,
|
||
) -> display_map::HighlightedChunks {
|
||
self.display_snapshot
|
||
.highlighted_chunks_for_rows(display_rows)
|
||
}
|
||
|
||
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 line(&self, display_row: u32) -> String {
|
||
self.display_snapshot.line(display_row)
|
||
}
|
||
|
||
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)
|
||
}
|
||
}
|
||
|
||
impl EditorSettings {
|
||
#[cfg(any(test, feature = "test-support"))]
|
||
pub fn test(cx: &AppContext) -> Self {
|
||
Self {
|
||
tab_size: 4,
|
||
style: {
|
||
let font_cache: &gpui::FontCache = cx.font_cache();
|
||
let font_family_name = Arc::from("Monaco");
|
||
let font_properties = Default::default();
|
||
let font_family_id = font_cache.load_family(&[&font_family_name]).unwrap();
|
||
let font_id = font_cache
|
||
.select_font(font_family_id, &font_properties)
|
||
.unwrap();
|
||
EditorStyle {
|
||
text: TextStyle {
|
||
font_family_name,
|
||
font_family_id,
|
||
font_id,
|
||
font_size: 14.,
|
||
color: Color::from_u32(0xff0000ff),
|
||
font_properties,
|
||
underline: false,
|
||
},
|
||
placeholder_text: None,
|
||
background: Default::default(),
|
||
gutter_background: Default::default(),
|
||
active_line_background: Default::default(),
|
||
line_number: Default::default(),
|
||
line_number_active: Default::default(),
|
||
selection: Default::default(),
|
||
guest_selections: Default::default(),
|
||
syntax: Default::default(),
|
||
}
|
||
},
|
||
}
|
||
}
|
||
}
|
||
|
||
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,
|
||
Closed,
|
||
}
|
||
|
||
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 settings = self.build_settings.borrow_mut()(cx);
|
||
self.display_map.update(cx, |map, cx| {
|
||
map.set_font(
|
||
settings.style.text.font_id,
|
||
settings.style.text.font_size,
|
||
cx,
|
||
)
|
||
});
|
||
EditorElement::new(self.handle.clone(), settings).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.show_local_cursors = 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 SelectionExt for Selection {
|
||
fn display_range(&self, map: &DisplayMapSnapshot) -> Range<DisplayPoint> {
|
||
let start = self.start.to_display_point(map, Bias::Left);
|
||
let end = self.end.to_display_point(map, Bias::Left);
|
||
if self.reversed {
|
||
end..start
|
||
} else {
|
||
start..end
|
||
}
|
||
}
|
||
|
||
fn spanned_rows(
|
||
&self,
|
||
include_end_if_at_line_start: bool,
|
||
map: &DisplayMapSnapshot,
|
||
) -> SpannedRows {
|
||
let display_start = self.start.to_display_point(map, Bias::Left);
|
||
let mut display_end = self.end.to_display_point(map, Bias::Right);
|
||
if !include_end_if_at_line_start
|
||
&& display_end.row() != map.max_point().row()
|
||
&& display_start.row() != display_end.row()
|
||
&& display_end.column() == 0
|
||
{
|
||
*display_end.row_mut() -= 1;
|
||
}
|
||
|
||
let (display_start, buffer_start) = map.prev_row_boundary(display_start);
|
||
let (display_end, buffer_end) = map.next_row_boundary(display_end);
|
||
|
||
SpannedRows {
|
||
buffer_rows: buffer_start.row..buffer_end.row + 1,
|
||
display_rows: display_start.row()..display_end.row() + 1,
|
||
}
|
||
}
|
||
}
|
||
|
||
#[cfg(test)]
|
||
mod tests {
|
||
use super::*;
|
||
use crate::test::sample_text;
|
||
use buffer::{History, Point};
|
||
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 = EditorSettings::test(cx);
|
||
let (_, editor) =
|
||
cx.add_window(Default::default(), |cx| build_editor(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 = EditorSettings::test(cx);
|
||
let (_, view) = cx.add_window(Default::default(), |cx| build_editor(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 = EditorSettings::test(cx);
|
||
let (_, view) = cx.add_window(Default::default(), |cx| build_editor(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_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 = EditorSettings::test(&cx);
|
||
let (_, view) = cx.add_window(Default::default(), |cx| {
|
||
build_editor(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 = EditorSettings::test(&cx);
|
||
let (_, view) = cx.add_window(Default::default(), |cx| {
|
||
build_editor(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 = EditorSettings::test(&cx);
|
||
let (_, view) = cx.add_window(Default::default(), |cx| {
|
||
build_editor(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 = EditorSettings::test(&cx);
|
||
let (_, view) = cx.add_window(Default::default(), |cx| {
|
||
build_editor(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 = EditorSettings::test(&cx);
|
||
let (_, view) = cx.add_window(Default::default(), |cx| build_editor(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 = EditorSettings::test(&cx);
|
||
let (_, view) = cx.add_window(Default::default(), |cx| build_editor(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, 0)..DisplayPoint::new(0, 0),
|
||
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, 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, 7)..DisplayPoint::new(0, 7),
|
||
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, 9)..DisplayPoint::new(0, 9),
|
||
DisplayPoint::new(2, 3)..DisplayPoint::new(2, 3),
|
||
]
|
||
);
|
||
});
|
||
|
||
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, 4)..DisplayPoint::new(2, 3),
|
||
]
|
||
);
|
||
});
|
||
|
||
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, 4)..DisplayPoint::new(2, 2),
|
||
]
|
||
);
|
||
});
|
||
|
||
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, 4)..DisplayPoint::new(2, 3),
|
||
]
|
||
);
|
||
});
|
||
}
|
||
|
||
#[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 = EditorSettings::test(&cx);
|
||
let (_, view) = cx.add_window(Default::default(), |cx| build_editor(buffer, settings, cx));
|
||
|
||
view.update(cx, |view, cx| {
|
||
view.set_wrap_width(140., 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, 14)..DisplayPoint::new(1, 14)]
|
||
);
|
||
});
|
||
}
|
||
|
||
#[gpui::test]
|
||
fn test_delete_to_word_boundary(cx: &mut gpui::MutableAppContext) {
|
||
let buffer = cx.add_model(|cx| Buffer::new(0, "one two three four", cx));
|
||
let settings = EditorSettings::test(&cx);
|
||
let (_, view) = cx.add_window(Default::default(), |cx| {
|
||
build_editor(buffer.clone(), settings, cx)
|
||
});
|
||
|
||
view.update(cx, |view, cx| {
|
||
view.select_display_ranges(
|
||
&[
|
||
// an empty selection - the preceding word fragment is deleted
|
||
DisplayPoint::new(0, 2)..DisplayPoint::new(0, 2),
|
||
// characters selected - they are deleted
|
||
DisplayPoint::new(0, 9)..DisplayPoint::new(0, 12),
|
||
],
|
||
cx,
|
||
)
|
||
.unwrap();
|
||
view.delete_to_previous_word_boundary(&DeleteToPreviousWordBoundary, cx);
|
||
});
|
||
|
||
assert_eq!(buffer.read(cx).text(), "e two te four");
|
||
|
||
view.update(cx, |view, cx| {
|
||
view.select_display_ranges(
|
||
&[
|
||
// an empty selection - the following word fragment is deleted
|
||
DisplayPoint::new(0, 3)..DisplayPoint::new(0, 3),
|
||
// characters selected - they are deleted
|
||
DisplayPoint::new(0, 9)..DisplayPoint::new(0, 10),
|
||
],
|
||
cx,
|
||
)
|
||
.unwrap();
|
||
view.delete_to_next_word_boundary(&DeleteToNextWordBoundary, cx);
|
||
});
|
||
|
||
assert_eq!(buffer.read(cx).text(), "e t te our");
|
||
}
|
||
|
||
#[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 = EditorSettings::test(&cx);
|
||
let (_, view) = cx.add_window(Default::default(), |cx| {
|
||
build_editor(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 = EditorSettings::test(&cx);
|
||
let (_, view) = cx.add_window(Default::default(), |cx| {
|
||
build_editor(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 = EditorSettings::test(&cx);
|
||
let buffer = cx.add_model(|cx| Buffer::new(0, "abc\ndef\nghi\n", cx));
|
||
let (_, view) = cx.add_window(Default::default(), |cx| build_editor(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 = EditorSettings::test(&cx);
|
||
let buffer = cx.add_model(|cx| Buffer::new(0, "abc\ndef\nghi\n", cx));
|
||
let (_, view) = cx.add_window(Default::default(), |cx| build_editor(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 = EditorSettings::test(&cx);
|
||
let buffer = cx.add_model(|cx| Buffer::new(0, "abc\ndef\nghi\n", cx));
|
||
let (_, view) = cx.add_window(Default::default(), |cx| build_editor(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 = EditorSettings::test(&cx);
|
||
let buffer = cx.add_model(|cx| Buffer::new(0, "abc\ndef\nghi\n", cx));
|
||
let (_, view) = cx.add_window(Default::default(), |cx| build_editor(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 = EditorSettings::test(&cx);
|
||
let buffer = cx.add_model(|cx| Buffer::new(0, sample_text(10, 5), cx));
|
||
let (_, view) = cx.add_window(Default::default(), |cx| build_editor(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 = EditorSettings::test(&cx);
|
||
let view = cx
|
||
.add_window(Default::default(), |cx| {
|
||
build_editor(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..7, 11..17, 22..27], 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, 11)..DisplayPoint::new(0, 11),
|
||
DisplayPoint::new(0, 22)..DisplayPoint::new(0, 22),
|
||
DisplayPoint::new(0, 31)..DisplayPoint::new(0, 31)
|
||
]
|
||
);
|
||
});
|
||
|
||
// 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, 31..31], false, cx);
|
||
view.handle_input(&Input("( ".into()), cx);
|
||
view.paste(&Paste, cx);
|
||
view.handle_input(&Input(") ".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.handle_input(&Input("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 = EditorSettings::test(&cx);
|
||
let (_, view) = cx.add_window(Default::default(), |cx| build_editor(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 = EditorSettings::test(&cx);
|
||
let buffer = cx.add_model(|cx| Buffer::new(0, sample_text(6, 5), cx));
|
||
let (_, view) = cx.add_window(Default::default(), |cx| build_editor(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 = EditorSettings::test(&cx);
|
||
let buffer = cx.add_model(|cx| Buffer::new(0, sample_text(9, 5), cx));
|
||
let (_, view) = cx.add_window(Default::default(), |cx| build_editor(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 = EditorSettings::test(&cx);
|
||
let buffer = cx.add_model(|cx| Buffer::new(0, "abc\ndefghi\n\njk\nlmno\n", cx));
|
||
let (_, view) = cx.add_window(Default::default(), |cx| build_editor(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(EditorSettings::test);
|
||
let language = Arc::new(Language::new(
|
||
LanguageConfig::default(),
|
||
tree_sitter_rust::language(),
|
||
));
|
||
|
||
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, Some(language), cx)
|
||
});
|
||
let (_, view) = cx.add_window(|cx| build_editor(buffer, settings, 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),
|
||
]
|
||
);
|
||
}
|
||
|
||
#[gpui::test]
|
||
async fn test_autoclose_pairs(mut cx: gpui::TestAppContext) {
|
||
let settings = cx.read(EditorSettings::test);
|
||
let language = Arc::new(Language::new(
|
||
LanguageConfig {
|
||
autoclose_pairs: vec![
|
||
AutoclosePair {
|
||
start: "{".to_string(),
|
||
end: "}".to_string(),
|
||
},
|
||
AutoclosePair {
|
||
start: "/*".to_string(),
|
||
end: " */".to_string(),
|
||
},
|
||
],
|
||
..Default::default()
|
||
},
|
||
tree_sitter_rust::language(),
|
||
));
|
||
|
||
let text = r#"
|
||
a
|
||
|
||
/
|
||
|
||
"#
|
||
.unindent();
|
||
|
||
let buffer = cx.add_model(|cx| {
|
||
let history = History::new(text.into());
|
||
Buffer::from_history(0, history, None, Some(language), cx)
|
||
});
|
||
let (_, view) = cx.add_window(|cx| build_editor(buffer, settings, 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, 0)..DisplayPoint::new(0, 1),
|
||
DisplayPoint::new(1, 0)..DisplayPoint::new(1, 0),
|
||
],
|
||
cx,
|
||
)
|
||
.unwrap();
|
||
view.handle_input(&Input("{".to_string()), cx);
|
||
view.handle_input(&Input("{".to_string()), cx);
|
||
view.handle_input(&Input("{".to_string()), cx);
|
||
assert_eq!(
|
||
view.text(cx),
|
||
"
|
||
{{{}}}
|
||
{{{}}}
|
||
/
|
||
|
||
"
|
||
.unindent()
|
||
);
|
||
|
||
view.move_right(&MoveRight, cx);
|
||
view.handle_input(&Input("}".to_string()), cx);
|
||
view.handle_input(&Input("}".to_string()), cx);
|
||
view.handle_input(&Input("}".to_string()), cx);
|
||
assert_eq!(
|
||
view.text(cx),
|
||
"
|
||
{{{}}}}
|
||
{{{}}}}
|
||
/
|
||
|
||
"
|
||
.unindent()
|
||
);
|
||
|
||
view.undo(&Undo, cx);
|
||
view.handle_input(&Input("/".to_string()), cx);
|
||
view.handle_input(&Input("*".to_string()), cx);
|
||
assert_eq!(
|
||
view.text(cx),
|
||
"
|
||
/* */
|
||
/* */
|
||
/
|
||
|
||
"
|
||
.unindent()
|
||
);
|
||
|
||
view.undo(&Undo, cx);
|
||
view.select_display_ranges(
|
||
&[
|
||
DisplayPoint::new(2, 1)..DisplayPoint::new(2, 1),
|
||
DisplayPoint::new(3, 0)..DisplayPoint::new(3, 0),
|
||
],
|
||
cx,
|
||
)
|
||
.unwrap();
|
||
view.handle_input(&Input("*".to_string()), cx);
|
||
assert_eq!(
|
||
view.text(cx),
|
||
"
|
||
a
|
||
|
||
/*
|
||
*
|
||
"
|
||
.unindent()
|
||
);
|
||
});
|
||
}
|
||
|
||
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
|
||
}
|
||
|
||
fn build_editor(
|
||
buffer: ModelHandle<Buffer>,
|
||
settings: EditorSettings,
|
||
cx: &mut ViewContext<Editor>,
|
||
) -> Editor {
|
||
Editor::for_buffer(buffer, move |_| settings.clone(), cx)
|
||
}
|
||
}
|
||
|
||
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()
|
||
}
|
||
}
|