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appDisplay: Reorganize AppDisplay actor hierarchy

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Right now, the actor hierarchy is such that the scroll view
does not contain the actual grid. It looks as follows:

              StScrollView
                    ↓
               StBoxLayout
                    ↓
                ShellStack
                ↓        ↓
   PaginatedIconGrid     StWidget

This hierarchy can be slightly reorganized by changing it to be as
follows:

            ShellStack
             ↓     ↓
   StScrollView   StWidget
        ↓
   StBoxLayout
        ↓
 PaginatedIconGrid

This will simplify future work where the PaginatedIconGrid will be
an implementation of StScrollable, in which case we'll be able to
simply remove the StBoxLayout from there.

https://gitlab.gnome.org/GNOME/gnome-shell/-/merge_requests/1191
This commit is contained in:
Georges Basile Stavracas Neto 2019-12-11 15:07:16 -03:00
parent 7d7a15f978
commit 167bc080d9
1 changed files with 25 additions and 19 deletions
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44
js/ui/appDisplay.js
View File

@ -341,14 +341,37 @@ var AllView = GObject.registerClass({
use_pagination: true,
});
this._grid._delegate = this;
this._stack = new St.Widget({
layout_manager: new Clutter.BinLayout(),
x_expand: true,
y_expand: true,
});
this.add_actor(this._stack);
let box = new St.BoxLayout({
vertical: true,
y_align: Clutter.ActorAlign.START,
});
box.add_child(this._grid);
this._scrollView = new St.ScrollView({
style_class: 'all-apps',
x_expand: true,
y_expand: true,
reactive: true,
});
this.add_actor(this._scrollView);
this._grid._delegate = this;
this._scrollView.add_actor(box);
this._stack.add_actor(this._scrollView);
this._eventBlocker = new St.Widget({
x_expand: true,
y_expand: true,
reactive: true,
visible: false,
});
this._stack.add_actor(this._eventBlocker);
this._scrollView.set_policy(St.PolicyType.NEVER,
St.PolicyType.EXTERNAL);
@ -369,24 +392,7 @@ var AllView = GObject.registerClass({
this._folderIcons = [];
this._stack = new St.Widget({ layout_manager: new Clutter.BinLayout() });
let box = new St.BoxLayout({
vertical: true,
y_align: Clutter.ActorAlign.START,
});
this._grid.currentPage = 0;
this._stack.add_actor(this._grid);
this._eventBlocker = new St.Widget({
x_expand: true,
y_expand: true,
reactive: true,
visible: false,
});
this._stack.add_actor(this._eventBlocker);
box.add_actor(this._stack);
this._scrollView.add_actor(box);
this._scrollView.connect('scroll-event', this._onScroll.bind(this));