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Restart: fix maximized windows flickering to the wrong struts

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When we restart, we need to update the struts for the screen before
we enter the main loop, or maximized windows will get resized to the
size of the screen without struts, then resized back.

A workaround is needed for a Clutter bug that occurs when we get
the size of an actor before the first paint of the stage.

https://bugzilla.gnome.org/show_bug.cgi?id=761566
This commit is contained in:
Owen W. Taylor 2016-02-04 13:13:13 -05:00
parent c4584c20dc
commit 61fb62f969
1 changed files with 9 additions and 1 deletions
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10
js/ui/layout.js
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@ -591,7 +591,10 @@ const LayoutManager = new Lang.Class({
this.addChrome(this._coverPane);
if (Meta.is_restart()) {
// On restart, we don't do an animation
// On restart, we don't do an animation. Force an update of the
// regions immediately so that maximized windows restore to the
// right size taking struts into account.
this._updateRegions();
} else if (Main.sessionMode.isGreeter) {
this.panelBox.translation_y = -this.panelBox.height;
} else {
@ -938,6 +941,11 @@ const LayoutManager = new Lang.Class({
if (Main.modalCount > 0)
return GLib.SOURCE_REMOVE;
// Bug workaround - get_transformed_position()/get_transformed_size() don't work after
// a change in stage size until the first pick or paint.
// https://bugzilla.gnome.org/show_bug.cgi?id=761565
global.stage.get_actor_at_pos(Clutter.PickMode.ALL, 0, 0);
let rects = [], struts = [], i;
let isPopupMenuVisible = global.top_window_group.get_children().some(isPopupMetaWindow);
let wantsInputRegion = !isPopupMenuVisible;