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-rw-r--r--helix-term/src/ui/editor.rs68
1 files changed, 66 insertions, 2 deletions
diff --git a/helix-term/src/ui/editor.rs b/helix-term/src/ui/editor.rs
index d5c907b8..ec5687bd 100644
--- a/helix-term/src/ui/editor.rs
+++ b/helix-term/src/ui/editor.rs
@@ -12,7 +12,7 @@ use helix_core::{
syntax::{self, HighlightEvent},
unicode::segmentation::UnicodeSegmentation,
unicode::width::UnicodeWidthStr,
- LineEnding, Position, Range,
+ LineEnding, Position, Range, Selection,
};
use helix_view::{
document::Mode,
@@ -24,7 +24,7 @@ use helix_view::{
};
use std::borrow::Cow;
-use crossterm::event::Event;
+use crossterm::event::{Event, MouseButton, MouseEvent, MouseEventKind};
use tui::buffer::Buffer as Surface;
pub struct EditorView {
@@ -805,6 +805,70 @@ impl Component for EditorView {
EventResult::Consumed(callback)
}
+ Event::Mouse(MouseEvent {
+ kind: MouseEventKind::Down(MouseButton::Left),
+ row,
+ column,
+ modifiers,
+ ..
+ }) => {
+ let editor = &mut cx.editor;
+
+ let result = editor.tree.views().find_map(|(view, _focus)| {
+ view.pos_at_screen_coords(
+ &editor.documents[view.doc],
+ row as usize,
+ column as usize,
+ )
+ .map(|pos| (pos, view.id))
+ });
+
+ if let Some((pos, id)) = result {
+ let doc = &mut editor.documents[editor.tree.get(id).doc];
+ let jump = (doc.id(), doc.selection(id).clone());
+ editor.tree.get_mut(id).jumps.push(jump);
+
+ if modifiers == crossterm::event::KeyModifiers::ALT {
+ let selection = doc.selection(id).clone();
+ doc.set_selection(id, selection.push(Range::point(pos)));
+ } else {
+ doc.set_selection(id, Selection::point(pos));
+ }
+
+ editor.tree.focus = id;
+
+ return EventResult::Consumed(None);
+ }
+
+ EventResult::Ignored
+ }
+
+ Event::Mouse(MouseEvent {
+ kind: MouseEventKind::Drag(MouseButton::Left),
+ row,
+ column,
+ ..
+ }) => {
+ let (view, doc) = current!(cx.editor);
+
+ let pos = view.pos_at_screen_coords(doc, row as usize, column as usize);
+
+ if pos == None {
+ return EventResult::Ignored;
+ }
+
+ let selection = doc.selection(view.id).clone();
+ let primary_anchor = selection.primary().anchor;
+ let new_selection = selection.transform(|range| -> Range {
+ if range.anchor == primary_anchor {
+ return Range::new(primary_anchor, pos.unwrap());
+ }
+ range
+ });
+
+ doc.set_selection(view.id, new_selection);
+ EventResult::Consumed(None)
+ }
Event::Mouse(_) => EventResult::Ignored,
}
}