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Diffstat (limited to 'src/core/frame.c')
-rw-r--r--src/core/frame.c26
1 files changed, 23 insertions, 3 deletions
diff --git a/src/core/frame.c b/src/core/frame.c
index 1258cefe..4542f638 100644
--- a/src/core/frame.c
+++ b/src/core/frame.c
@@ -120,6 +120,7 @@ meta_window_ensure_frame (MetaWindow *window)
frame->mapped = FALSE;
frame->need_reapply_frame_shape = TRUE;
frame->is_flashing = FALSE;
+ frame->borders_cached = FALSE;
meta_verbose ("Framing window %s: visual %s default, depth %d default depth %d\n",
window->desc,
@@ -386,9 +387,28 @@ void
meta_frame_calc_borders (MetaFrame *frame,
MetaFrameBorders *borders)
{
- meta_ui_get_frame_borders (frame->window->screen->ui,
- frame->xwindow,
- borders);
+ if (frame == NULL)
+ {
+ meta_frame_borders_clear (borders);
+ }
+ else
+ {
+ if (!frame->borders_cached)
+ {
+ meta_ui_get_frame_borders (frame->window->screen->ui,
+ frame->xwindow,
+ &frame->cached_borders);
+ frame->borders_cached = TRUE;
+ }
+
+ *borders = frame->cached_borders;
+ }
+}
+
+void
+meta_frame_clear_cached_borders (MetaFrame *frame)
+{
+ frame->borders_cached = FALSE;
}
static gboolean