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dnd: Get transformed size for scaling before unparenting drag actor

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Commit de610a13f1ad1e7e34d4b9a81df58d4da3693059 in mutter made it
impossible to access the actors last allocation after unmapping it,
this broke the scale-up/down animation when starting a drag.

Fix that animation again by saving the actors transformed size before
unparenting (and therefore unmapping) the actor instead of afterwards.

https://gitlab.gnome.org/GNOME/gnome-shell/-/merge_requests/1475
This commit is contained in:
Jonas Dreßler 2020-10-21 01:02:37 +02:00
parent 0e21904557
commit d19683a84c
1 changed files with 7 additions and 1 deletions
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8
js/ui/dnd.js
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@ -338,6 +338,8 @@ var _Draggable = class _Draggable {
this._dragX = this._dragStartX = stageX;
this._dragY = this._dragStartY = stageY;
let scaledWidth, scaledHeight;
if (this.actor._delegate && this.actor._delegate.getDragActor) {
this._dragActor = this.actor._delegate.getDragActor();
Main.uiGroup.add_child(this._dragActor);
@ -370,6 +372,8 @@ var _Draggable = class _Draggable {
this._dragOffsetX = this._dragActor.x - this._dragStartX;
this._dragOffsetY = this._dragActor.y - this._dragStartY;
[scaledWidth, scaledHeight] = this._dragActor.get_transformed_size();
} else {
this._dragActor = this.actor;
@ -399,6 +403,9 @@ var _Draggable = class _Draggable {
this._dragOffsetX = transformedExtents.origin.x - this._dragStartX;
this._dragOffsetY = transformedExtents.origin.y - this._dragStartY;
scaledWidth = transformedExtents.get_width();
scaledHeight = transformedExtents.get_height();
this._dragOrigParent.remove_actor(this._dragActor);
Main.uiGroup.add_child(this._dragActor);
Main.uiGroup.set_child_above_sibling(this._dragActor, null);
@ -432,7 +439,6 @@ var _Draggable = class _Draggable {
this._dragY + this._dragOffsetY);
if (this._dragActorMaxSize != undefined) {
let [scaledWidth, scaledHeight] = this._dragActor.get_transformed_size();
let currentSize = Math.max(scaledWidth, scaledHeight);
if (currentSize > this._dragActorMaxSize) {
let scale = this._dragActorMaxSize / currentSize;