Do not always set dirty flag in clear_selection

Check if the selection was changed before setting the dirty flag.
alacritty · Jul 14, 2022 · f2257be · f2257be
1 parent 5aac3a6
commit f2257be
Showing 1 changed file with 3 additions and 2 deletions.
diff --git a/alacritty/src/event.rs b/alacritty/src/event.rs
@@ -258,8 +258,9 @@ impl<'a, N: Notify + 'a, T: EventListener> input::ActionContext<T> for ActionCon
     }
 
     fn clear_selection(&mut self) {
-        self.terminal.selection = None;
-        *self.dirty = true;
+        let old_selection = self.terminal.selection.take();
+        let was_empty = old_selection.map(|s| s.is_empty()).unwrap_or(true);
+        *self.dirty |= !was_empty;
     }
 
     fn update_selection(&mut self, mut point: Point, side: Side) {