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stack: Allow promoting transient windows to their parent's layer

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When a window that should be stacked above another one is placed in a lower
layer than the other window, we currently allow promoting it to the higher
layer when it has a "transient type". We should do the same when the window
is an actual transient of the other window.

This is particularly relevant for wayland windows, where types play a
much smaller role: Transient windows like non-modal dialogs (and since
commit 666bef7a, popup windows as well) currently end up underneath their
always-on-top parent.

https://gitlab.gnome.org/GNOME/mutter/issues/587


(cherry picked from commit 1c89fce30e)
This commit is contained in:
Florian Müllner 2019-11-27 01:00:00 +00:00 committed by Jonas Ådahl
parent 1b75d78c72
commit c0e76186da
1 changed files with 5 additions and 2 deletions
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7
src/core/stack.c
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@ -858,8 +858,11 @@ static void
ensure_above (MetaWindow *above, ensure_above (MetaWindow *above,
MetaWindow *below) MetaWindow *below)
{ {
if (WINDOW_HAS_TRANSIENT_TYPE(above) && gboolean is_transient;
above->layer < below->layer)
is_transient = WINDOW_HAS_TRANSIENT_TYPE (above) ||
above->transient_for == below;
if (is_transient && above->layer < below->layer)
{ {
meta_topic (META_DEBUG_STACK, meta_topic (META_DEBUG_STACK,
"Promoting window %s from layer %u to %u due to contraint\n", "Promoting window %s from layer %u to %u due to contraint\n",