374abed8a1
Since GSettings is not supported in extensions in 3.2, all settings have been replaced by constants in JS files (except for user-theme, whose only purpose is to actually bridge GSettings to the shell). Customizations are still supported in master, and distributions packaging these extensions for system-wide install may consider reverting this bug.
622 lines
22 KiB
JavaScript
622 lines
22 KiB
JavaScript
/* -*- mode: js2; js2-basic-offset: 4; indent-tabs-mode: nil -*- */
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/* most of the code is borrowed from
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* > js/ui/altTab.js <
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* of the gnome-shell source code
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*/
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const AltTab = imports.ui.altTab;
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const Clutter = imports.gi.Clutter;
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const Gdk = imports.gi.Gdk;
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const Gio = imports.gi.Gio;
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const Gtk = imports.gi.Gtk;
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const GLib = imports.gi.GLib;
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const Lang = imports.lang;
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const Main = imports.ui.main;
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const Mainloop = imports.mainloop;
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const ModalDialog = imports.ui.modalDialog;
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const Shell = imports.gi.Shell;
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const St = imports.gi.St;
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const Tweener = imports.ui.tweener;
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const WindowManager = imports.ui.windowManager;
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const Gettext = imports.gettext.domain('gnome-shell-extensions');
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const _ = Gettext.gettext;
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const N_ = function(e) { return e };
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const POPUP_DELAY_TIMEOUT = 150; // milliseconds
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// Settings: choose one of MODES, the description is in MESSAGE
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// (master branch has a nice dialog, but we cannot in gnome 3.2)
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const BEHAVIOUR = 'all_thumbnails';
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const MODES = {
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all_thumbnails: function(shellwm, binding, mask, window, backwards) {
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let tabPopup = new AltTabPopup2();
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if (!tabPopup.show(backwards, binding, mask))
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tabPopup.destroy();
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},
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workspace_icons: function(shellwm, binding, mask, window, backwards) {
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if (shellwm._workspaceSwitcherPopup != null)
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shellwm._workspaceSwitcherPopup.actor.hide();
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let tabPopup = new AltTabPopupW();
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if (!tabPopup.show(backwards, binding, mask))
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tabPopup.destroy();
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}
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};
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const MESSAGE = N_("This is the first time you use the Alternate Tab extension. \n\
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Please choose your preferred behaviour:\n\
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\n\
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All & Thumbnails:\n\
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This mode presents all applications from all workspaces in one selection \n\
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list. Instead of using the application icon of every window, it uses small \n\
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thumbnails resembling the window itself. \n\
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\n\
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Workspace & Icons:\n\
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This mode let's you switch between the applications of your current \n\
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workspace and gives you additionally the option to switch to the last used \n\
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application of your previous workspace. This is always the last symbol in \n\
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the list and is segregated by a separator/vertical line if available. \n\
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Every window is represented by its application icon. \n\
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\n\
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If you whish to revert to the default behavior for the Alt-Tab switcher, just\n\
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disable the extension from extensions.gnome.org or the Advanced Settings application.\
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");
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function AltTabPopupW() {
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this._init();
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}
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AltTabPopupW.prototype = {
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__proto__ : AltTab.AltTabPopup.prototype,
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_windowActivated : function(thumbnailList, n) { },
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show : function(backward, binding, mask) {
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let appSys = Shell.AppSystem.get_default();
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let apps = appSys.get_running ();
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if (!apps.length)
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return false;
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if (!Main.pushModal(this.actor)) {
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// Probably someone else has a pointer grab, try again with keyboard only
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if (!Main.pushModal(this.actor, global.get_current_time(), Meta.ModalOptions.POINTER_ALREADY_GRABBED)) {
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return false;
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}
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}
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this._haveModal = true;
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this._modifierMask = AltTab.primaryModifier(mask);
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this.actor.connect('key-press-event', Lang.bind(this, this._keyPressEvent));
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this.actor.connect('key-release-event', Lang.bind(this, this._keyReleaseEvent));
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this.actor.connect('button-press-event', Lang.bind(this, this._clickedOutside));
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this.actor.connect('scroll-event', Lang.bind(this, this._onScroll));
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this._appSwitcher = new WindowSwitcher(apps, this);
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this.actor.add_actor(this._appSwitcher.actor);
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this._appSwitcher.connect('item-activated', Lang.bind(this, this._appActivated));
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this._appSwitcher.connect('item-entered', Lang.bind(this, this._appEntered));
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this._appIcons = this._appSwitcher.icons;
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// Need to force an allocation so we can figure out whether we
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// need to scroll when selecting
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this.actor.opacity = 0;
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this.actor.show();
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this.actor.get_allocation_box();
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// Make the initial selection
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if (binding == 'switch_group') {
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//see AltTab.AltTabPopup.show function
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//cached windows are always of length one, so select first app and the window
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//the direction doesn't matter, so ignore backward
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this._select(0, 0);
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} else if (binding == 'switch_group_backward') {
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this._select(0, 0);
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} else if (binding == 'switch_windows_backward') {
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this._select(this._appIcons.length - 1);
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} else if (this._appIcons.length == 1) {
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this._select(0);
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} else if (backward) {
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this._select(this._appIcons.length - 1);
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} else {
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this._select(1);
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}
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// There's a race condition; if the user released Alt before
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// we got the grab, then we won't be notified. (See
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// https://bugzilla.gnome.org/show_bug.cgi?id=596695 for
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// details.) So we check now. (Have to do this after updating
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// 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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}
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// We delay showing the popup so that fast Alt+Tab users aren't
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// disturbed by the popup briefly flashing.
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this._initialDelayTimeoutId = Mainloop.timeout_add(POPUP_DELAY_TIMEOUT,
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Lang.bind(this, function () {
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this.actor.opacity = 255;
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this._initialDelayTimeoutId = 0;
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}));
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return true;
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},
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_finish : function() {
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let app = this._appIcons[this._currentApp];
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if (!app)
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return;
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Main.activateWindow(app.cachedWindows[0]);
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this.destroy();
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}
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};
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function AppIcon(app, window) {
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this._init(app, window);
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}
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AppIcon.prototype = {
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__proto__ : AltTab.AppIcon.prototype,
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_init: function(app, window) {
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this.app = app;
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this.cachedWindows = [];
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this.cachedWindows.push(window);
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this.actor = new St.BoxLayout({ style_class: 'alt-tab-app',
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vertical: true });
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this.icon = null;
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this._iconBin = new St.Bin({ x_fill: true, y_fill: true });
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this.actor.add(this._iconBin, { x_fill: false, y_fill: false } );
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let title = window.get_title();
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if (title) {
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this.label = new St.Label({ text: title });
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let bin = new St.Bin({ x_align: St.Align.MIDDLE });
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bin.add_actor(this.label);
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this.actor.add(bin);
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}
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else {
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this.label = new St.Label({ text: this.app.get_name() });
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this.actor.add(this.label, { x_fill: false });
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}
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}
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};
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function WindowSwitcher(apps, altTabPopup) {
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this._init(apps, altTabPopup);
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}
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WindowSwitcher.prototype = {
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__proto__ : AltTab.AppSwitcher.prototype,
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_init : function(apps, altTabPopup) {
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AltTab.SwitcherList.prototype._init.call(this, true);
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// Construct the AppIcons, sort by time, add to the popup
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let activeWorkspace = global.screen.get_active_workspace();
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let workspaceIcons = [];
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let otherIcons = [];
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for (let i = 0; i < apps.length; i++) {
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// Cache the window list now; we don't handle dynamic changes here,
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// and we don't want to be continually retrieving it
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let windows = apps[i].get_windows();
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for(let j = 0; j < windows.length; j++) {
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let appIcon = new AppIcon(apps[i], windows[j]);
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if (this._isWindowOnWorkspace(windows[j], activeWorkspace)) {
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workspaceIcons.push(appIcon);
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}
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else {
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otherIcons.push(appIcon);
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}
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}
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}
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workspaceIcons.sort(Lang.bind(this, this._sortAppIcon));
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otherIcons.sort(Lang.bind(this, this._sortAppIcon));
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if(otherIcons.length > 0) {
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let mostRecentOtherIcon = otherIcons[0];
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otherIcons = [];
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otherIcons.push(mostRecentOtherIcon);
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}
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this.icons = [];
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this._arrows = [];
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for (let i = 0; i < workspaceIcons.length; i++)
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this._addIcon(workspaceIcons[i]);
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if (workspaceIcons.length > 0 && otherIcons.length > 0)
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this.addSeparator();
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for (let i = 0; i < otherIcons.length; i++)
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this._addIcon(otherIcons[i]);
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this._curApp = -1;
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this._iconSize = 0;
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this._altTabPopup = altTabPopup;
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this._mouseTimeOutId = 0;
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},
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_isWindowOnWorkspace: function(w, workspace) {
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if (w.get_workspace() == workspace)
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return true;
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return false;
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},
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_sortAppIcon : function(appIcon1, appIcon2) {
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let t1 = appIcon1.cachedWindows[0].get_user_time();
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let t2 = appIcon2.cachedWindows[0].get_user_time();
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if (t2 > t1) return 1;
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else return -1;
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}
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};
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/* This object is never instantiated in the current branch, but
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I don't trust git merge enough to remove it */
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function AltTabSettingsDialog() {
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this._init();
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}
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AltTabSettingsDialog.prototype = {
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__proto__: ModalDialog.ModalDialog.prototype,
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_init : function() {
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ModalDialog.ModalDialog.prototype._init.call(this, { styleClass: null });
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let mainContentBox = new St.BoxLayout({ style_class: 'polkit-dialog-main-layout',
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vertical: false });
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this.contentLayout.add(mainContentBox,
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{ x_fill: true,
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y_fill: true });
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let messageBox = new St.BoxLayout({ style_class: 'polkit-dialog-message-layout',
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vertical: true });
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mainContentBox.add(messageBox,
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{ y_align: St.Align.START });
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this._subjectLabel = new St.Label({ style_class: 'polkit-dialog-headline',
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text: _("Alt Tab Behaviour") });
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messageBox.add(this._subjectLabel,
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{ y_fill: false,
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y_align: St.Align.START });
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this._descriptionLabel = new St.Label({ style_class: 'polkit-dialog-description',
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text: Gettext.gettext(MESSAGE) });
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messageBox.add(this._descriptionLabel,
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{ y_fill: true,
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y_align: St.Align.START });
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this.setButtons([
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{
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label: _("All & Thumbnails"),
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action: Lang.bind(this, function() {
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this.setBehaviour('all_thumbnails');
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this.close();
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})
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},
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{
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label: _("Workspace & Icons"),
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action: Lang.bind(this, function() {
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this.setBehaviour('workspace_icons');
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this.close();
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})
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},
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{
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label: _("Cancel"),
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action: Lang.bind(this, function() {
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this.close();
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}),
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key: Clutter.Escape
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}
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]);
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},
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setBehaviour: function(behaviour) {
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this._settings = new Gio.Settings({ schema: SETTINGS_SCHEMA });
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this._settings.set_string(SETTINGS_BEHAVIOUR_KEY, behaviour);
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this._settings.set_boolean(SETTINGS_FIRST_TIME_KEY, false);
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}
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};
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function AltTabPopup2() {
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this._init();
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}
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AltTabPopup2.prototype = {
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__proto__ : AltTab.AltTabPopup.prototype,
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_init : function() {
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this.actor = new Shell.GenericContainer({ name: 'altTabPopup',
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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._currentApp = 0;
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this._currentWindow = -1;
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this._thumbnailTimeoutId = 0;
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this._motionTimeoutId = 0;
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// Initially disable hover so we ignore the enter-event if
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// the switcher appears underneath the current pointer location
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this._disableHover();
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//this.show();
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Main.uiGroup.add_actor(this.actor);
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//this._select(0);
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},
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show : function(backward, binding, mask) {
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let windows = global.get_window_actors();
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let list = '';
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let normal_windows= [];
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let appIcons = [];
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let appSys = Shell.AppSystem.get_default();
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let apps = appSys.get_running();
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for (let w = windows.length-1; w >= 0; w--) {
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let win = windows[w].get_meta_window();
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normal_windows.push(win);
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}
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normal_windows.sort(Lang.bind(this, this._sortWindows));
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let win_on_top = normal_windows.shift();
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normal_windows.push(win_on_top);
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windows = normal_windows;
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for (let w = 0; w < windows.length; w++) {
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let win = windows[w];
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let ap1 = null;
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for (let i = 0;i < apps.length; i++) {
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let app_wins = apps[i].get_windows();
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for (let j = 0;j < app_wins.length; j++) {
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if (app_wins[j] == win)
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ap1 = new AltTab.AppIcon(apps[i]);
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}
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}
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if (ap1 != null) {
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ap1.cachedWindows = [win];
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appIcons.push(ap1);
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}
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}
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if (!windows.length) {
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this.destroy();
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return false;
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}
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if (!Main.pushModal(this.actor)) {
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// Probably someone else has a pointer grab, try again with keyboard only
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if (!Main.pushModal(this.actor, global.get_current_time(), Meta.ModalOptions.POINTER_ALREADY_GRABBED)) {
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return false;
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}
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}
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this._haveModal = true;
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this._modifierMask = AltTab.primaryModifier(mask);
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this.actor.connect('key-press-event', Lang.bind(this, this._keyPressEvent));
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this.actor.connect('key-release-event', Lang.bind(this, this._keyReleaseEvent));
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this.actor.connect('button-press-event', Lang.bind(this, this._clickedOutside));
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this.actor.connect('scroll-event', Lang.bind(this, this._onScroll));
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this._appSwitcher = new WindowList(windows);
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this._appSwitcher._altTabPopup=this;
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this.actor.add_actor(this._appSwitcher.actor);
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this._appSwitcher.connect('item-activated', Lang.bind(this, this._appActivated));
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this._appSwitcher.connect('item-entered', Lang.bind(this, this._appEntered));
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this._appIcons = appIcons;
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// make the initial selection
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if (backward)
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this._select(windows.length - 2);
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else
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this._select(0);
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this.actor.opacity = 0;
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this.actor.show();
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// There's a race condition; if the user released Alt before
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// we got the grab, then we won't be notified. (See
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// https://bugzilla.gnome.org/show_bug.cgi?id=596695 for
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// details.) So we check now. (Have to do this after updating
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// 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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}
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// We delay showing the popup so that fast Alt+Tab users aren't
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// disturbed by the popup briefly flashing.
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this._initialDelayTimeoutId = Mainloop.timeout_add(AltTab.POPUP_DELAY_TIMEOUT,
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Lang.bind(this, function () {
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this.actor.opacity = 255;
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this._initialDelayTimeoutId = 0;
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}));
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return true
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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 = (Shell.get_event_state(event) & Clutter.ModifierType.SHIFT_MASK);
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// X allows servers to represent Shift+Tab in two different ways
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if (shift && keysym == Clutter.Tab)
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keysym = Clutter.ISO_Left_Tab;
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this._disableHover();
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if (keysym == Clutter.grave)
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this._select(this._currentApp, this._nextWindow());
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else if (keysym == Clutter.asciitilde)
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this._select(this._currentApp, this._previousWindow());
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else if (keysym == Clutter.Escape)
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this.destroy();
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else if (this._thumbnailsFocused) {
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if (keysym == Clutter.Tab) {
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if (this._currentWindow == this._appIcons[this._currentApp].cachedWindows.length - 1)
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this._select(this._nextApp());
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else
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this._select(this._currentApp, this._nextWindow());
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} else if (keysym == Clutter.ISO_Left_Tab) {
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if (this._currentWindow == 0 || this._currentWindow == -1)
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this._select(this._previousApp());
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else
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this._select(this._currentApp, this._previousWindow());
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} else if (keysym == Clutter.Left)
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this._select(this._currentApp, this._previousWindow());
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else if (keysym == Clutter.Right)
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this._select(this._currentApp, this._nextWindow());
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else if (keysym == Clutter.Up)
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this._select(this._currentApp, null, true);
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} else {
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if (keysym == Clutter.Tab)
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this._select(this._nextApp());
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else if (keysym == Clutter.ISO_Left_Tab)
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|
this._select(this._previousApp());
|
|
else if (keysym == Clutter.Left)
|
|
this._select(this._previousApp());
|
|
else if (keysym == Clutter.Right)
|
|
this._select(this._nextApp());
|
|
}
|
|
|
|
return true;
|
|
},
|
|
|
|
_sortWindows : function(win1,win2) {
|
|
let t1 = win1.get_user_time();
|
|
let t2 = win2.get_user_time();
|
|
if (t2 > t1) return 1;
|
|
else return -1;
|
|
},
|
|
|
|
_appActivated : function(thumbnailList, n) {
|
|
let appIcon = this._appIcons[this._currentApp];
|
|
Main.activateWindow(appIcon.cachedWindows[0]);
|
|
this.destroy();
|
|
},
|
|
|
|
_finish : function() {
|
|
let app = this._appIcons[this._currentApp];
|
|
Main.activateWindow(app.cachedWindows[0]);
|
|
this.destroy();
|
|
},
|
|
};
|
|
|
|
function WindowList(windows) {
|
|
this._init(windows);
|
|
}
|
|
|
|
WindowList.prototype = {
|
|
__proto__ : AltTab.SwitcherList.prototype,
|
|
|
|
_init : function(windows) {
|
|
AltTab.SwitcherList.prototype._init.call(this, true);
|
|
|
|
let activeWorkspace = global.screen.get_active_workspace();
|
|
this._labels = new Array();
|
|
this._thumbnailBins = new Array();
|
|
this._clones = new Array();
|
|
this._windows = windows;
|
|
this._arrows = new Array();
|
|
this.icons = new Array();
|
|
for (let w = 0; w < windows.length; w++) {
|
|
let arrow = new St.DrawingArea({ style_class: 'switcher-arrow' });
|
|
arrow.connect('repaint', Lang.bind(this, function (area) {
|
|
Shell.draw_box_pointer(area, Shell.PointerDirection.DOWN);
|
|
}));
|
|
this._list.add_actor(arrow);
|
|
this._arrows.push(arrow);
|
|
|
|
arrow.hide();
|
|
|
|
let win=windows[w];
|
|
|
|
let appSys = Shell.AppSystem.get_default();
|
|
let apps = appSys.get_running();
|
|
let ap1 = null;
|
|
for (let i = 0; i < apps.length; i++) {
|
|
let app_wins = apps[i].get_windows();
|
|
for (let j = 0; j < app_wins.length; j++) {
|
|
if (app_wins[j] == win) {
|
|
ap1 = new AltTab.AppIcon(apps[i]);
|
|
let mutterWindow = win.get_compositor_private();
|
|
let windowTexture = mutterWindow.get_texture ();
|
|
let [width, height] = windowTexture.get_size();
|
|
let scale = Math.min(1.0, 128 / width, 128 / height);
|
|
|
|
let clone = new Clutter.Clone ({ source: windowTexture, reactive: true, width: width * scale, height: height * scale });
|
|
ap1.icon = ap1.app.create_icon_texture(128);
|
|
ap1._iconBin.set_size(128,128);
|
|
ap1._iconBin.child = clone;
|
|
|
|
ap1.label.text = win.get_title();
|
|
}
|
|
}
|
|
}
|
|
if (ap1 != null) {
|
|
ap1.cachedWindows = [win];
|
|
this.addItem(ap1.actor, ap1.label);
|
|
this.icons.push(ap1);
|
|
}
|
|
}
|
|
},
|
|
|
|
addSeparator: function () {
|
|
this._separator=null;
|
|
}
|
|
};
|
|
|
|
function init(metadata) {
|
|
imports.gettext.bindtextdomain('gnome-shell-extensions', GLib.build_filenamev([metadata.path, 'locale']));
|
|
}
|
|
|
|
function doAltTab(shellwm, binding, mask, window, backwards) {
|
|
let behaviour = BEHAVIOUR;
|
|
if(behaviour in MODES) {
|
|
MODES[behaviour](shellwm, binding, mask, window, backwards);
|
|
}
|
|
}
|
|
|
|
function enable() {
|
|
Main.wm.setKeybindingHandler('switch_windows', doAltTab);
|
|
Main.wm.setKeybindingHandler('switch_group', doAltTab);
|
|
Main.wm.setKeybindingHandler('switch_windows_backward', doAltTab);
|
|
Main.wm.setKeybindingHandler('switch_group_backward', doAltTab);
|
|
}
|
|
|
|
function disable() {
|
|
Main.wm.setKeybindingHandler('switch_windows', Lang.bind(Main.wm, Main.wm._startAppSwitcher));
|
|
Main.wm.setKeybindingHandler('switch_group', Lang.bind(Main.wm, Main.wm._startAppSwitcher));
|
|
Main.wm.setKeybindingHandler('switch_windows_backward', Lang.bind(Main.wm, Main.wm._startAppSwitcher));
|
|
Main.wm.setKeybindingHandler('switch_group_backward', Lang.bind(Main.wm, Main.wm._startAppSwitcher));
|
|
}
|