switcherPopup: Factor out altTab and ctrlAltTab's common code
https://bugzilla.gnome.org/show_bug.cgi?id=689528
This commit is contained in:
Rui Matos
@ -1,15 +1,14 @@
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// -*- mode: js; js-indent-level: 4; indent-tabs-mode: nil -*-
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const Clutter = imports.gi.Clutter;
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const Gdk = imports.gi.Gdk;
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const Gtk = imports.gi.Gtk;
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const Lang = imports.lang;
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const Meta = imports.gi.Meta;
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const Shell = imports.gi.Shell;
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const St = imports.gi.St;
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const AltTab = imports.ui.altTab;
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const Main = imports.ui.main;
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const SwitcherPopup = imports.ui.switcherPopup;
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const Params = imports.misc.params;
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const Tweener = imports.ui.tweener;
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@ -92,7 +91,7 @@ const CtrlAltTabManager = new Lang.Class({
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return a.x - b.x;
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},
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popup: function(backwards, mask) {
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popup: function(backward, binding, mask) {
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// Start with the set of focus groups that are currently mapped
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let items = this._items.filter(function (item) { return item.proxy.mapped; });
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@ -123,8 +122,8 @@ const CtrlAltTabManager = new Lang.Class({
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items.sort(Lang.bind(this, this._sortItems));
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if (!this._popup) {
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this._popup = new CtrlAltTabPopup();
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this._popup.show(items, backwards, mask);
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this._popup = new CtrlAltTabPopup(items);
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this._popup.show(backward, binding, mask);
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this._popup.actor.connect('destroy',
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Lang.bind(this, function() {
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@ -134,176 +133,46 @@ const CtrlAltTabManager = new Lang.Class({
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}
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});
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function mod(a, b) {
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return (a + b) % b;
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}
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const CtrlAltTabPopup = new Lang.Class({
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Name: 'CtrlAltTabPopup',
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Extends: SwitcherPopup.SwitcherPopup,
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_init : function() {
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this.actor = new Shell.GenericContainer({ name: 'ctrlAltTabPopup',
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reactive: true });
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this.actor.connect('get-preferred-width', Lang.bind(this, this._getPreferredWidth));
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this.actor.connect('get-preferred-height', Lang.bind(this, this._getPreferredHeight));
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this.actor.connect('allocate', Lang.bind(this, this._allocate));
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this.actor.connect('destroy', Lang.bind(this, this._onDestroy));
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this._haveModal = false;
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this._modifierMask = 0;
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this._selection = 0;
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Main.uiGroup.add_actor(this.actor);
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_createSwitcher: function() {
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this._switcherList = new CtrlAltTabSwitcher(this._items);
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return true;
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},
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_getPreferredWidth: function (actor, forHeight, alloc) {
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let primary = Main.layoutManager.primaryMonitor;
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alloc.min_size = primary.width;
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alloc.natural_size = primary.width;
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},
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_getPreferredHeight: function (actor, forWidth, alloc) {
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let primary = Main.layoutManager.primaryMonitor;
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alloc.min_size = primary.height;
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alloc.natural_size = primary.height;
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},
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_allocate: function (actor, box, flags) {
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let childBox = new Clutter.ActorBox();
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let primary = Main.layoutManager.primaryMonitor;
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let leftPadding = this.actor.get_theme_node().get_padding(St.Side.LEFT);
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let vPadding = this.actor.get_theme_node().get_vertical_padding();
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let hPadding = this.actor.get_theme_node().get_horizontal_padding();
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let [childMinHeight, childNaturalHeight] = this._switcher.actor.get_preferred_height(primary.width - hPadding);
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let [childMinWidth, childNaturalWidth] = this._switcher.actor.get_preferred_width(childNaturalHeight);
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childBox.x1 = Math.max(primary.x + leftPadding, primary.x + Math.floor((primary.width - childNaturalWidth) / 2));
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childBox.x2 = Math.min(primary.x + primary.width - hPadding, childBox.x1 + childNaturalWidth);
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childBox.y1 = primary.y + Math.floor((primary.height - childNaturalHeight) / 2);
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childBox.y2 = childBox.y1 + childNaturalHeight;
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this._switcher.actor.allocate(childBox, flags);
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},
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show : function(items, startBackwards, mask) {
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if (!Main.pushModal(this.actor))
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return false;
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this._haveModal = true;
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this._modifierMask = AltTab.primaryModifier(mask);
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this._keyPressEventId = this.actor.connect('key-press-event', Lang.bind(this, this._keyPressEvent));
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this._keyReleaseEventId = this.actor.connect('key-release-event', Lang.bind(this, this._keyReleaseEvent));
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this._items = items;
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this._switcher = new CtrlAltTabSwitcher(items);
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this.actor.add_actor(this._switcher.actor);
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if (startBackwards)
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this._selection = this._items.length - 1;
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this._select(this._selection);
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let [x, y, mods] = global.get_pointer();
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if (!(mods & this._modifierMask)) {
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this._finish();
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return false;
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_initialSelection: function(backward, binding) {
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if (binding == 'switch-panels') {
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if (backward)
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this._selectedIndex = this._items.length - 1;
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} else if (binding == 'switch-panels-backward') {
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if (!backward)
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this._selectedIndex = this._items.length - 1;
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}
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this.actor.opacity = 0;
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this.actor.show();
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Tweener.addTween(this.actor,
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{ opacity: 255,
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time: POPUP_FADE_TIME,
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transition: 'easeOutQuad'
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});
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return true;
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this._select(this._selectedIndex);
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},
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_next : function() {
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return mod(this._selection + 1, this._items.length);
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},
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_previous : function() {
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return mod(this._selection - 1, this._items.length);
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},
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_keyPressEvent : function(actor, event) {
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let keysym = event.get_key_symbol();
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let shift = (event.get_state() & Clutter.ModifierType.SHIFT_MASK);
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if (shift && keysym == Clutter.KEY_Tab)
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keysym = Clutter.ISO_Left_Tab;
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if (keysym == Clutter.KEY_Escape)
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this.destroy();
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else if (keysym == Clutter.KEY_Tab)
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this._select(this._next());
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else if (keysym == Clutter.KEY_ISO_Left_Tab)
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_keyPressHandler: function(keysym, backwards, action) {
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if (action == Meta.KeyBindingAction.SWITCH_PANELS)
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this._select(backwards ? this._previous() : this._next());
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else if (action == Meta.KeyBindingAction.SWITCH_PANELS_BACKWARD)
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this._select(backwards ? this._next() : this._previous());
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else if (keysym == Clutter.Left)
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this._select(this._previous());
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else if (keysym == Clutter.KEY_Left)
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this._select(this._previous());
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else if (keysym == Clutter.KEY_Right)
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else if (keysym == Clutter.Right)
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this._select(this._next());
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return true;
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},
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_keyReleaseEvent : function(actor, event) {
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let [x, y, mods] = global.get_pointer();
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let state = mods & this._modifierMask;
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if (state == 0)
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this._finish();
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return true;
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},
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_finish : function() {
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this.destroy();
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Main.ctrlAltTabManager.focusGroup(this._items[this._selection]);
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this.parent();
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Main.ctrlAltTabManager.focusGroup(this._items[this._selectedIndex]);
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},
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_popModal: function() {
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if (this._haveModal) {
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Main.popModal(this.actor);
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this._haveModal = false;
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}
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},
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destroy : function() {
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this._popModal();
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Tweener.addTween(this.actor,
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{ opacity: 0,
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time: POPUP_FADE_TIME,
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transition: 'easeOutQuad',
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onComplete: Lang.bind(this,
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function() {
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this.actor.destroy();
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})
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});
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},
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_onDestroy : function() {
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this._popModal();
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if (this._keyPressEventId)
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this.actor.disconnect(this._keyPressEventId);
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if (this._keyReleaseEventId)
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this.actor.disconnect(this._keyReleaseEventId);
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},
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_select : function(num) {
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this._selection = num;
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this._switcher.highlight(num);
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}
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});
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const CtrlAltTabSwitcher = new Lang.Class({
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Name: 'CtrlAltTabSwitcher',
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Extends: AltTab.SwitcherList,
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Extends: SwitcherPopup.SwitcherList,
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_init : function(items) {
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this.parent(true);
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