Clear selection on clear line/screen escapes

Selection is now cleared if clear line or clear screen escape sequences
are clearing content behind it.

1 files changed, 5 insertions, 0 deletions

diff --git a/alacritty_terminal/src/grid/mod.rs b/alacritty_terminal/src/grid/mod.rs
index 5178ed99..fd555d1b 100644
--- a/alacritty_terminal/src/grid/mod.rs
+++ b/alacritty_terminal/src/grid/mod.rs
@@ -187,6 +187,11 @@ impl<T: GridCell + Default + PartialEq + Copy> Grid<T> {
         Point { line: self.lines.0 + self.display_offset - point.line.0 - 1, col: point.col }
     }
 
+    /// Return the cursor position in buffer coordinates.
+    pub fn cursor_buffer_point(&self) -> Point<usize> {
+        Point { line: self.lines.0 - self.cursor.point.line.0 - 1, col: self.cursor.point.col }
+    }
+
     /// Update the size of the scrollback history.
     pub fn update_history(&mut self, history_size: usize) {
         let current_history_size = self.history_size();