Method delete_char_backward

src/editor/buffer.rs:245–265

(&mut self)

    }

    pub fn delete_char_backward(&mut self) {
        if self.delete_selection() {
            return;
        }
        let end = self.cursor_char_idx();
        if end == 0 {
            return;
        }
        let cursor_before = self.cursor;
        let start = self.document.previous_grapheme_boundary(end);
        let deleted = self.document.slice_text(start, end);
        self.document.remove_char_range(start, end);
        let (line, column) = self.document.char_to_position(start);
        self.cursor = self.cursor.set(line, column, &self.document);
        self.push_undo(UndoRecord {
            start,
            inserted: String::new(),
            deleted,
            cursor_before,
        });
    }

    pub fn delete_current_line(&mut self) {
        self.delete_line(self.cursor.line);