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workspaceAnimation: Use window clones

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Instead of reparenting windows, clone them. This will allow to properly
support multi-monitor setups in subsequent commits.

Block window mapping animation while the animation is running to prevent
new windows appearing during the animation from being visible at the same
time as their clones.

Fixes https://gitlab.gnome.org/GNOME/mutter/issues/929

https://gitlab.gnome.org/GNOME/gnome-shell/-/merge_requests/1326
This commit is contained in:
Alexander Mikhaylenko 2019-07-04 23:15:15 +05:00
parent 9d1fe27221
commit 856a4d27e0
1 changed files with 18 additions and 16 deletions
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34
js/ui/workspaceAnimation.js
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@ -37,12 +37,16 @@ class WorkspaceGroup extends Clutter.Actor {
} }
_syncStacking() { _syncStacking() {
const windowActors = global.get_window_actors(); const windowActors = global.get_window_actors().filter(w =>
let lastSibling = null; this._shouldShowWindow(w.meta_window));
let lastRecord;
for (const windowActor of windowActors) { for (const windowActor of windowActors) {
this.set_child_above_sibling(windowActor, lastSibling); const record = this._windowRecords.find(r => r.windowActor === windowActor);
lastSibling = windowActor;
this.set_child_above_sibling(record.clone, lastRecord ? lastRecord.clone : null);
lastRecord = record;
} }
} }
@ -51,16 +55,18 @@ class WorkspaceGroup extends Clutter.Actor {
this._shouldShowWindow(w.meta_window)); this._shouldShowWindow(w.meta_window));
for (const windowActor of windowActors) { for (const windowActor of windowActors) {
const record = { const clone = new Clutter.Clone({
windowActor, source: windowActor,
parent: windowActor.get_parent(), x: windowActor.x,
}; y: windowActor.y,
});
record.parent.remove_child(windowActor); this.add_child(clone);
this.add_child(windowActor);
windowActor.show(); const record = { windowActor, clone };
record.windowDestroyId = windowActor.connect('destroy', () => { record.windowDestroyId = windowActor.connect('destroy', () => {
clone.destroy();
this._windowRecords.splice(this._windowRecords.indexOf(record), 1); this._windowRecords.splice(this._windowRecords.indexOf(record), 1);
}); });
@ -71,11 +77,7 @@ class WorkspaceGroup extends Clutter.Actor {
_removeWindows() { _removeWindows() {
for (const record of this._windowRecords) { for (const record of this._windowRecords) {
record.windowActor.disconnect(record.windowDestroyId); record.windowActor.disconnect(record.windowDestroyId);
this.remove_child(record.windowActor); record.clone.destroy();
record.parent.add_child(record.windowActor);
if (!this._workspace.active)
record.windowActor.hide();
} }
this._windowRecords = []; this._windowRecords = [];