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kill placeholder windows when the actual window appears

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This commit is contained in:
Michael Stapelberg
2013-12-15 15:00:26 +01:00
parent 28a993e656
commit 42e359ec60
3 changed files with 40 additions and 0 deletions
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26
src/restore_layout.c
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@ -226,6 +226,32 @@ void restore_open_placeholder_windows(Con *parent) {
xcb_flush(restore_conn);
}
/*
* Kill the placeholder window, if placeholder refers to a placeholder window.
* This function is called when manage.c puts a window into an existing
* container. In order not to leak resources, we need to destroy the window and
* all associated X11 objects (pixmap/gc).
*
*/
bool restore_kill_placeholder(xcb_window_t placeholder) {
placeholder_state *state;
TAILQ_FOREACH(state, &state_head, state) {
if (state->window != placeholder)
continue;
xcb_destroy_window(restore_conn, state->window);
xcb_free_pixmap(restore_conn, state->pixmap);
xcb_free_gc(restore_conn, state->gc);
TAILQ_REMOVE(&state_head, state, state);
free(state);
DLOG("placeholder window 0x%08x destroyed.\n", placeholder);
return true;
}
DLOG("0x%08x is not a placeholder window, ignoring.\n", placeholder);
return false;
}
static void expose_event(xcb_expose_event_t *event) {
placeholder_state *state;
TAILQ_FOREACH(state, &state_head, state) {