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closeDialog: Fix dialog size when using geometry scaling

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The close dialog is added as a child to MetaWindowActor, and, in Wayland
sessions, since commit [1] MetaWindowActor applies a transformation
matrix which scales all it's children using the geometry scale factor.
Now because the dialog actor is not a window (i.e. a MetaSurfaceActor),
but a subclass of StWidget, the scale factor is also applied to the
properties of the dialog by StThemeNode, so we end up applying the
geometry scale twice to the close dialog.

Fix this by applying the inverted scale to the dialog, which leaves the
scaling only to MetaWindowActor. This means we also can't apply a pivot
point other than 0 to the dialog actor, so apply the 0.5-pivot point to
the `_dialog` child of the Dialog class (the actual visible dialog box)
and also perform scaling animations on this child.

[1] https://gitlab.gnome.org/GNOME/mutter/commit/fb9e8768

https://gitlab.gnome.org/GNOME/gnome-shell/merge_requests/783
This commit is contained in:
Jonas Dreßler 2019-10-15 16:20:09 +02:00 committed by Florian Müllner
parent b6d47c18c3
commit b6e57a5ae8
1 changed files with 22 additions and 5 deletions
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27
js/ui/closeDialog.js
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@ -1,7 +1,7 @@
// -*- mode: js; js-indent-level: 4; indent-tabs-mode: nil -*- // -*- mode: js; js-indent-level: 4; indent-tabs-mode: nil -*-
/* exported CloseDialog */ /* exported CloseDialog */
const { Clutter, Gio, GLib, GObject, Meta, Shell } = imports.gi; const { Clutter, Gio, GLib, GObject, Meta, Shell, St } = imports.gi;
const Dialog = imports.ui.dialog; const Dialog = imports.ui.dialog;
const Main = imports.ui.main; const Main = imports.ui.main;
@ -46,6 +46,18 @@ var CloseDialog = GObject.registerClass({
return new Dialog.MessageDialogContent({ icon, title, subtitle }); return new Dialog.MessageDialogContent({ icon, title, subtitle });
} }
_updateScale() {
// Since this is a child of MetaWindowActor (which, in Wayland sessions,
// applies the geometry scale factor to its children itself, see
// meta_window_actor_set_geometry_scale()), make sure we don't apply
// the factor twice in the end.
if (!Meta.is_wayland_compositor())
return;
let { scaleFactor } = St.ThemeContext.get_for_stage(global.stage);
this._dialog.set_scale(1 / scaleFactor, 1 / scaleFactor);
}
_initDialog() { _initDialog() {
if (this._dialog) if (this._dialog)
return; return;
@ -64,6 +76,11 @@ var CloseDialog = GObject.registerClass({
key: Clutter.Escape }); key: Clutter.Escape });
global.focus_manager.add_group(this._dialog); global.focus_manager.add_group(this._dialog);
let themeContext = St.ThemeContext.get_for_stage(global.stage);
themeContext.connect('notify::scale-factor', this._updateScale.bind(this));
this._updateScale();
} }
_addWindowEffect() { _addWindowEffect() {
@ -145,10 +162,10 @@ var CloseDialog = GObject.registerClass({
this._addWindowEffect(); this._addWindowEffect();
this._initDialog(); this._initDialog();
this._dialog.scale_y = 0; this._dialog._dialog.scale_y = 0;
this._dialog.set_pivot_point(0.5, 0.5); this._dialog._dialog.set_pivot_point(0.5, 0.5);
this._dialog.ease({ this._dialog._dialog.ease({
scale_y: 1, scale_y: 1,
mode: Clutter.AnimationMode.LINEAR, mode: Clutter.AnimationMode.LINEAR,
duration: DIALOG_TRANSITION_TIME, duration: DIALOG_TRANSITION_TIME,
@ -175,7 +192,7 @@ var CloseDialog = GObject.registerClass({
this._dialog = null; this._dialog = null;
this._removeWindowEffect(); this._removeWindowEffect();
dialog.ease({ dialog._dialog.ease({
scale_y: 0, scale_y: 0,
mode: Clutter.AnimationMode.LINEAR, mode: Clutter.AnimationMode.LINEAR,
duration: DIALOG_TRANSITION_TIME, duration: DIALOG_TRANSITION_TIME,