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windowPreview: Ensure style as soon as preview is realized

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For the windowPreview we need to ensure the style information of the
border and title is up-to-date when chromeWidths() or chromeHeights() is
called. Since the introduction of the WorkspaceLayout those functions
may be called during an allocation cycle, which means we should avoid
calling queuing relayouts inside them. Calling StWidgets ensure_style()
method will queue a relayout though in case the newly generated theme
node has a different geometry.

So avoid queueing a relayout during allocation cycles (and the warning
Clutter logs because of that) by ensuring the style of the border and
title earlier, as soon as the WindowPreview is attached to a stage.

https://gitlab.gnome.org/GNOME/gnome-shell/-/merge_requests/1305
This commit is contained in:
Jonas Dreßler 2020-07-06 15:44:25 +02:00 committed by Florian Müllner
parent 6757c7d20a
commit c26860dcb7
1 changed files with 8 additions and 3 deletions
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11
js/ui/windowPreview.js
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@ -347,6 +347,14 @@ var WindowPreview = GObject.registerClass({
this.add_child(this._border);
this.add_child(this._title);
this.add_child(this._closeButton);
this.connect('notify::realized', () => {
if (!this.realized)
return;
this._border.ensure_style();
this._title.ensure_style();
});
}
vfunc_get_preferred_width(forHeight) {
@ -401,8 +409,6 @@ var WindowPreview = GObject.registerClass({
}
chromeHeights() {
this._border.ensure_style();
this._title.ensure_style();
const [, closeButtonHeight] = this._closeButton.get_preferred_height(-1);
const [, titleHeight] = this._title.get_preferred_height(-1);
@ -415,7 +421,6 @@ var WindowPreview = GObject.registerClass({
}
chromeWidths() {
this._border.ensure_style();
const [, closeButtonWidth] = this._closeButton.get_preferred_width(-1);
const leftOversize = this._closeButtonSide === St.Side.LEFT