- list = gtk_cell_layout_get_cells (GTK_CELL_LAYOUT (column));
- for (cell = list; cell; cell = cell->next)
- {
- GdkRectangle zero_cell_area = { 0, };
- GdkRectangle allocation;
+ /* If (x, y) is outside of the background area, immediately return */
+ if (x < background_area->x ||
+ x > background_area->x + background_area->width ||
+ y < background_area->y ||
+ y > background_area->y + background_area->height)
+ return NULL;
+
+ /* If (x, y) is inside the background area, clamp it to the cell_area
+ * so that a cell is still returned. The main reason for doing this
+ * (on the x axis) is for handling clicks in the indentation area
+ * (either at the left or right depending on RTL setting). Another
+ * reason is for handling clicks on the area where the focus rectangle
+ * is drawn (this is outside of cell area), this manifests itself
+ * mainly when a large setting is used for focus-line-width.
+ */
+ if (x < cell_area->x)
+ x = cell_area->x;
+ else if (x > cell_area->x + cell_area->width)
+ x = cell_area->x + cell_area->width;
+
+ if (y < cell_area->y)
+ y = cell_area->y;
+ else if (y > cell_area->y + cell_area->height)
+ y = cell_area->y + cell_area->height;
+
+ match = gtk_cell_area_get_cell_at_position (priv->cell_area,
+ priv->cell_area_context,
+ priv->tree_view,
+ cell_area,
+ x, y,
+ NULL);