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switcherPopup: Handle removal of items from SwitcherPopup

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This will be mainly useful for closing apps from the applications
switcher, but can be implemented generically enough to select the
nearest existing item after removal if there's any, or destroying
the popup's actor otherwise.

Specifically for the apps switcher, doing this also removes the need
of having to manually either update the current app in AppSwitcher
and highlight it, if there are still any items after the removal, or
simply destroy the AppSwitcher otherwise. Besides, calling _select()
in the handler for item-removed makes sure that the list of thumbnails
in the switcher is always closed, if open, when quitting the app.

https://bugzilla.gnome.org/show_bug.cgi?id=620106
This commit is contained in:
Mario Sanchez Prada 2018-02-08 11:11:11 +00:00 committed by Florian Müllner
parent a3918d8c38
commit 06f790d86c
2 changed files with 20 additions and 12 deletions
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7
js/ui/altTab.js
View File

@ -812,13 +812,6 @@ var AppSwitcher = new Lang.Class({
this.icons.splice(index, 1);
this.removeItem(index);
if (this._curApp == index)
this._curApp = SwitcherPopup.mod(index, this.icons.length);
if (this.icons.length > 0)
this.highlight(this._curApp);
else
this.actor.destroy();
},
});

25
js/ui/switcherPopup.js
View File

@ -133,6 +133,7 @@ var SwitcherPopup = new Lang.Class({
this.actor.add_actor(this._switcherList.actor);
this._switcherList.connect('item-activated', Lang.bind(this, this._itemActivated));
this._switcherList.connect('item-entered', Lang.bind(this, this._itemEntered));
this._switcherList.connect('item-removed', Lang.bind(this, this._itemRemoved));
// Need to force an allocation so we can figure out whether we
// need to scroll when selecting
@ -247,6 +248,19 @@ var SwitcherPopup = new Lang.Class({
this._itemEnteredHandler(n);
},
_itemRemovedHandler: function(n) {
if (this._items.length > 0) {
let newIndex = Math.min(n, this._items.length - 1);
this._select(newIndex);
} else {
this.actor.destroy();
}
},
_itemRemoved: function(switcher, n) {
this._itemRemovedHandler(n);
},
_disableHover: function() {
this.mouseActive = false;
@ -421,6 +435,7 @@ var SwitcherList = new Lang.Class({
removeItem: function(index) {
let item = this._items.splice(index, 1);
item[0].destroy();
this.emit('item-removed', index);
},
_onItemClicked: function (index) {
@ -442,15 +457,15 @@ var SwitcherList = new Lang.Class({
this._items[this._highlighted].remove_style_pseudo_class('selected');
}
this._highlighted = index;
if (this._highlighted != -1) {
if (this._items[index]) {
if (justOutline)
this._items[this._highlighted].add_style_pseudo_class('outlined');
this._items[index].add_style_pseudo_class('outlined');
else
this._items[this._highlighted].add_style_pseudo_class('selected');
this._items[index].add_style_pseudo_class('selected');
}
this._highlighted = index;
let adjustment = this._scrollView.hscroll.adjustment;
let [value, lower, upper, stepIncrement, pageIncrement, pageSize] = adjustment.get_values();
let [absItemX, absItemY] = this._items[index].get_transformed_position();