Bump the default expander size by 2 pixels instead.
https://bugzilla.gnome.org/show_bug.cgi?id=650424
GTK_PARAM_READWRITE));
/* Style properties */
-#define _TREE_VIEW_EXPANDER_SIZE 12
+#define _TREE_VIEW_EXPANDER_SIZE 14
#define _TREE_VIEW_VERTICAL_SEPARATOR 2
#define _TREE_VIEW_HORIZONTAL_SEPARATOR 2
area.x = x_offset;
area.y = gtk_tree_view_get_cell_area_y_offset (tree_view, tree, node,
vertical_separator);
- area.width = expander_size + 2;
+ area.width = expander_size;
area.height = gtk_tree_view_get_cell_area_height (tree_view, node,
vertical_separator);