694 lines
22 KiB
JavaScript
694 lines
22 KiB
JavaScript
/* -*- mode: js2; js2-basic-offset: 4; indent-tabs-mode: nil -*- */
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/* exported init enable disable */
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const {
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Atk, Clutter, Gio, GLib, GMenu, GObject, Gtk, Meta, Shell, St,
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} = imports.gi;
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const Signals = imports.signals;
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const DND = imports.ui.dnd;
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const ExtensionUtils = imports.misc.extensionUtils;
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const Main = imports.ui.main;
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const PanelMenu = imports.ui.panelMenu;
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const PopupMenu = imports.ui.popupMenu;
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const Gettext = imports.gettext.domain('gnome-shell-extensions');
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const _ = Gettext.gettext;
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const appSys = Shell.AppSystem.get_default();
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const APPLICATION_ICON_SIZE = 32;
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const HORIZ_FACTOR = 5;
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const MENU_HEIGHT_OFFSET = 132;
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const NAVIGATION_REGION_OVERSHOOT = 50;
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Gio._promisify(Gio._LocalFilePrototype, 'query_info_async', 'query_info_finish');
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Gio._promisify(Gio._LocalFilePrototype, 'set_attributes_async', 'set_attributes_finish');
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var ApplicationMenuItem = GObject.registerClass(
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class ApplicationMenuItem extends PopupMenu.PopupBaseMenuItem {
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_init(button, app) {
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super._init();
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this._app = app;
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this._button = button;
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this._iconBin = new St.Bin();
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this.add_child(this._iconBin);
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let appLabel = new St.Label({
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text: app.get_name(),
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y_expand: true,
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y_align: Clutter.ActorAlign.CENTER,
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});
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this.add_child(appLabel);
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this.label_actor = appLabel;
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let textureCache = St.TextureCache.get_default();
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let iconThemeChangedId = textureCache.connect('icon-theme-changed',
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this._updateIcon.bind(this));
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this.connect('destroy', () => {
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textureCache.disconnect(iconThemeChangedId);
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});
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this._updateIcon();
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this._delegate = this;
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let draggable = DND.makeDraggable(this);
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let maybeStartDrag = draggable._maybeStartDrag;
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draggable._maybeStartDrag = event => {
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if (this._dragEnabled)
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return maybeStartDrag.call(draggable, event);
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return false;
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};
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}
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activate(event) {
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this._app.open_new_window(-1);
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this._button.selectCategory(null);
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this._button.menu.toggle();
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super.activate(event);
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Main.overview.hide();
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}
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setActive(active, params) {
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if (active)
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this._button.scrollToButton(this);
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super.setActive(active, params);
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}
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setDragEnabled(enabled) {
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this._dragEnabled = enabled;
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}
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getDragActor() {
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return this._app.create_icon_texture(APPLICATION_ICON_SIZE);
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}
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getDragActorSource() {
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return this._iconBin;
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}
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_updateIcon() {
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let icon = this.getDragActor();
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icon.style_class = 'icon-dropshadow';
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this._iconBin.set_child(icon);
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}
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});
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var CategoryMenuItem = GObject.registerClass(
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class CategoryMenuItem extends PopupMenu.PopupBaseMenuItem {
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_init(button, category) {
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super._init();
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this._category = category;
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this._button = button;
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this._oldX = -1;
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this._oldY = -1;
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let name;
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if (this._category)
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name = this._category.get_name();
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else
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name = _('Favorites');
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this.add_child(new St.Label({ text: name }));
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this.connect('motion-event', this._onMotionEvent.bind(this));
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this.connect('notify::active', this._onActiveChanged.bind(this));
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}
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activate(event) {
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this._button.selectCategory(this._category);
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this._button.scrollToCatButton(this);
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super.activate(event);
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}
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_isNavigatingSubmenu([x, y]) {
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let [posX, posY] = this.get_transformed_position();
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if (this._oldX === -1) {
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this._oldX = x;
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this._oldY = y;
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return true;
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}
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let deltaX = Math.abs(x - this._oldX);
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let deltaY = Math.abs(y - this._oldY);
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this._oldX = x;
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this._oldY = y;
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// If it lies outside the x-coordinates then it is definitely outside.
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if (posX > x || posX + this.width < x)
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return false;
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// If it lies inside the menu item then it is definitely inside.
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if (posY <= y && posY + this.height >= y)
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return true;
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// We want the keep-up triangle only if the movement is more
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// horizontal than vertical.
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if (deltaX * HORIZ_FACTOR < deltaY)
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return false;
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// Check whether the point lies inside triangle ABC, and a similar
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// triangle on the other side of the menu item.
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//
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// +---------------------+
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// | menu item |
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// A +---------------------+ C
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// P |
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// B
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// Ensure that the point P always lies below line AC so that we can
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// only check for triangle ABC.
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if (posY > y) {
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let offset = posY - y;
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y = posY + this.height + offset;
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}
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// Ensure that A is (0, 0).
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x -= posX;
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y -= posY + this.height;
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// Check which side of line AB the point P lies on by taking the
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// cross-product of AB and AP. See:
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// http://stackoverflow.com/questions/3461453/determine-which-side-of-a-line-a-point-lies
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if (this.width * y - NAVIGATION_REGION_OVERSHOOT * x <= 0)
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return true;
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return false;
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}
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_onMotionEvent(actor, event) {
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let device = event.get_device();
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if (!device.get_grabbed_actor()) {
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this._oldX = -1;
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this._oldY = -1;
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device.grab(this);
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}
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this.hover = true;
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if (this._isNavigatingSubmenu(event.get_coords()))
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return true;
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this._oldX = -1;
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this._oldY = -1;
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this.hover = false;
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device.ungrab();
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let source = event.get_source();
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if (source instanceof St.Widget)
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source.sync_hover();
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return false;
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}
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_onActiveChanged() {
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if (!this.active)
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return;
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this._button.selectCategory(this._category);
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this._button.scrollToCatButton(this);
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}
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});
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class ApplicationsMenu extends PopupMenu.PopupMenu {
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constructor(sourceActor, arrowAlignment, arrowSide, button) {
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super(sourceActor, arrowAlignment, arrowSide);
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this._button = button;
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}
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isEmpty() {
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return false;
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}
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toggle() {
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if (this.isOpen)
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this._button.selectCategory(null);
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super.toggle();
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}
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}
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class DesktopTarget {
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constructor() {
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this._desktop = null;
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this._desktopDestroyedId = 0;
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this._windowAddedId =
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global.window_group.connect('actor-added',
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this._onWindowAdded.bind(this));
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global.get_window_actors().forEach(a => {
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this._onWindowAdded(a.get_parent(), a);
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});
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}
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get hasDesktop() {
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return this._desktop !== null;
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}
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_onWindowAdded(group, actor) {
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if (!(actor instanceof Meta.WindowActor))
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return;
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if (actor.meta_window.get_window_type() === Meta.WindowType.DESKTOP)
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this._setDesktop(actor);
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}
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_setDesktop(desktop) {
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if (this._desktop) {
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this._desktop.disconnect(this._desktopDestroyedId);
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this._desktopDestroyedId = 0;
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delete this._desktop._delegate;
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}
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this._desktop = desktop;
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this.emit('desktop-changed');
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if (this._desktop) {
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this._desktopDestroyedId = this._desktop.connect('destroy', () => {
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this._setDesktop(null);
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});
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this._desktop._delegate = this;
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}
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}
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_getSourceAppInfo(source) {
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if (!(source instanceof ApplicationMenuItem))
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return null;
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return source._app.app_info;
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}
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async _markTrusted(file) {
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let modeAttr = Gio.FILE_ATTRIBUTE_UNIX_MODE;
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let trustedAttr = 'metadata::trusted';
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let queryFlags = Gio.FileQueryInfoFlags.NONE;
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let ioPriority = GLib.PRIORITY_DEFAULT;
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try {
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let info = await file.query_info_async(modeAttr, queryFlags, ioPriority, null);
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let mode = info.get_attribute_uint32(modeAttr) | 0o100;
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info.set_attribute_uint32(modeAttr, mode);
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info.set_attribute_string(trustedAttr, 'yes');
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await file.set_attributes_async(info, queryFlags, ioPriority, null);
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// Hack: force nautilus to reload file info
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info = new Gio.FileInfo();
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info.set_attribute_uint64(
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Gio.FILE_ATTRIBUTE_TIME_ACCESS, GLib.get_real_time());
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try {
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await file.set_attributes_async(info, queryFlags, ioPriority, null);
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} catch (e) {
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log(`Failed to update access time: ${e.message}`);
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}
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} catch (e) {
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log(`Failed to mark file as trusted: ${e.message}`);
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}
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}
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destroy() {
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if (this._windowAddedId)
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global.window_group.disconnect(this._windowAddedId);
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this._windowAddedId = 0;
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this._setDesktop(null);
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}
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handleDragOver(source, _actor, _x, _y, _time) {
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let appInfo = this._getSourceAppInfo(source);
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if (!appInfo)
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return DND.DragMotionResult.CONTINUE;
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return DND.DragMotionResult.COPY_DROP;
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}
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acceptDrop(source, _actor, _x, _y, _time) {
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let appInfo = this._getSourceAppInfo(source);
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if (!appInfo)
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return false;
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this.emit('app-dropped');
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let desktop = GLib.get_user_special_dir(GLib.UserDirectory.DIRECTORY_DESKTOP);
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let src = Gio.File.new_for_path(appInfo.get_filename());
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let dst = Gio.File.new_for_path(GLib.build_filenamev([desktop, src.get_basename()]));
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try {
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// copy_async() isn't introspectable :-(
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src.copy(dst, Gio.FileCopyFlags.OVERWRITE, null, null);
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this._markTrusted(dst);
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} catch (e) {
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log(`Failed to copy to desktop: ${e.message}`);
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}
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return true;
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}
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}
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Signals.addSignalMethods(DesktopTarget.prototype);
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let ApplicationsButton = GObject.registerClass(
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class ApplicationsButton extends PanelMenu.Button {
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_init() {
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super._init(1.0, null, false);
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this.setMenu(new ApplicationsMenu(this, 1.0, St.Side.TOP, this));
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Main.panel.menuManager.addMenu(this.menu);
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// At this moment applications menu is not keyboard navigable at
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// all (so not accessible), so it doesn't make sense to set as
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// role ATK_ROLE_MENU like other elements of the panel.
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this.accessible_role = Atk.Role.LABEL;
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let hbox = new St.BoxLayout({ style_class: 'panel-status-menu-box' });
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this._label = new St.Label({
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text: _('Applications'),
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y_expand: true,
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y_align: Clutter.ActorAlign.CENTER,
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});
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hbox.add_child(this._label);
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hbox.add_child(PopupMenu.arrowIcon(St.Side.BOTTOM));
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this.add_actor(hbox);
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this.name = 'panelApplications';
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this.label_actor = this._label;
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this._showingId = Main.overview.connect('showing', () => {
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this.add_accessible_state(Atk.StateType.CHECKED);
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});
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this._hidingId = Main.overview.connect('hiding', () => {
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this.remove_accessible_state(Atk.StateType.CHECKED);
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});
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Main.layoutManager.connect('startup-complete',
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this._setKeybinding.bind(this));
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this._setKeybinding();
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this._desktopTarget = new DesktopTarget();
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this._desktopTarget.connect('app-dropped', () => {
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this.menu.close();
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});
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this._desktopTarget.connect('desktop-changed', () => {
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this._applicationsButtons.forEach(item => {
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item.setDragEnabled(this._desktopTarget.hasDesktop);
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});
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});
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this._tree = new GMenu.Tree({ menu_basename: 'applications.menu' });
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this._treeChangedId = this._tree.connect('changed',
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this._onTreeChanged.bind(this));
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this._applicationsButtons = new Map();
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this.reloadFlag = false;
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this._createLayout();
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this._display();
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this._installedChangedId = appSys.connect('installed-changed',
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this._onTreeChanged.bind(this));
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}
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_onTreeChanged() {
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if (this.menu.isOpen) {
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this._redisplay();
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this.mainBox.show();
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} else {
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this.reloadFlag = true;
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}
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}
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_createVertSeparator() {
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let separator = new St.DrawingArea({
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style_class: 'calendar-vertical-separator',
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pseudo_class: 'highlighted',
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});
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separator.connect('repaint', this._onVertSepRepaint.bind(this));
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return separator;
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}
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_onDestroy() {
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super._onDestroy();
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Main.overview.disconnect(this._showingId);
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Main.overview.disconnect(this._hidingId);
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appSys.disconnect(this._installedChangedId);
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this._tree.disconnect(this._treeChangedId);
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this._tree = null;
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Main.wm.setCustomKeybindingHandler('panel-main-menu',
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Shell.ActionMode.NORMAL | Shell.ActionMode.OVERVIEW,
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Main.sessionMode.hasOverview
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? Main.overview.toggle.bind(Main.overview)
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: null);
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this._desktopTarget.destroy();
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}
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_onMenuKeyPress(actor, event) {
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let symbol = event.get_key_symbol();
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if (symbol === Clutter.KEY_Left || symbol === Clutter.KEY_Right) {
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let direction = symbol === Clutter.KEY_Left
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? Gtk.DirectionType.LEFT : Gtk.DirectionType.RIGHT;
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if (this.menu.actor.navigate_focus(global.stage.key_focus, direction, false))
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return true;
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}
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return super._onMenuKeyPress(actor, event);
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}
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_onVertSepRepaint(area) {
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let cr = area.get_context();
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let themeNode = area.get_theme_node();
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let [width, height] = area.get_surface_size();
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let stippleColor = themeNode.get_color('-stipple-color');
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let stippleWidth = themeNode.get_length('-stipple-width');
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let x = Math.floor(width / 2) + 0.5;
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cr.moveTo(x, 0);
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cr.lineTo(x, height);
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Clutter.cairo_set_source_color(cr, stippleColor);
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cr.setDash([1, 3], 1); // Hard-code for now
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cr.setLineWidth(stippleWidth);
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cr.stroke();
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}
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_onOpenStateChanged(menu, open) {
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if (open) {
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if (this.reloadFlag) {
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this._redisplay();
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this.reloadFlag = false;
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}
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this.mainBox.show();
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}
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super._onOpenStateChanged(menu, open);
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}
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_setKeybinding() {
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Main.wm.setCustomKeybindingHandler('panel-main-menu',
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Shell.ActionMode.NORMAL | Shell.ActionMode.OVERVIEW,
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() => this.menu.toggle());
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}
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_redisplay() {
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this.applicationsBox.destroy_all_children();
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this.categoriesBox.destroy_all_children();
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this._display();
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}
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_loadCategory(categoryId, dir) {
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let iter = dir.iter();
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let nextType;
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while ((nextType = iter.next()) !== GMenu.TreeItemType.INVALID) {
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if (nextType === GMenu.TreeItemType.ENTRY) {
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let entry = iter.get_entry();
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let id;
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try {
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id = entry.get_desktop_file_id(); // catch non-UTF8 filenames
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} catch (e) {
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continue;
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}
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let app = appSys.lookup_app(id);
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if (!app)
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app = new Shell.App({ app_info: entry.get_app_info() });
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if (app.get_app_info().should_show())
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this.applicationsByCategory[categoryId].push(app);
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} else if (nextType === GMenu.TreeItemType.SEPARATOR) {
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this.applicationsByCategory[categoryId].push('separator');
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} else if (nextType === GMenu.TreeItemType.DIRECTORY) {
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let subdir = iter.get_directory();
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if (!subdir.get_is_nodisplay())
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this._loadCategory(categoryId, subdir);
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}
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}
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}
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scrollToButton(button) {
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let appsScrollBoxAdj = this.applicationsScrollBox.get_vscroll_bar().get_adjustment();
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let appsScrollBoxAlloc = this.applicationsScrollBox.get_allocation_box();
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let currentScrollValue = appsScrollBoxAdj.get_value();
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let boxHeight = appsScrollBoxAlloc.y2 - appsScrollBoxAlloc.y1;
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let buttonAlloc = button.get_allocation_box();
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let newScrollValue = currentScrollValue;
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if (currentScrollValue > buttonAlloc.y1 - 10)
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newScrollValue = buttonAlloc.y1 - 10;
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if (boxHeight + currentScrollValue < buttonAlloc.y2 + 10)
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newScrollValue = buttonAlloc.y2 - boxHeight + 10;
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if (newScrollValue !== currentScrollValue)
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appsScrollBoxAdj.set_value(newScrollValue);
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}
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scrollToCatButton(button) {
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let catsScrollBoxAdj = this.categoriesScrollBox.get_vscroll_bar().get_adjustment();
|
|
let catsScrollBoxAlloc = this.categoriesScrollBox.get_allocation_box();
|
|
let currentScrollValue = catsScrollBoxAdj.get_value();
|
|
let boxHeight = catsScrollBoxAlloc.y2 - catsScrollBoxAlloc.y1;
|
|
let buttonAlloc = button.get_allocation_box();
|
|
let newScrollValue = currentScrollValue;
|
|
if (currentScrollValue > buttonAlloc.y1 - 10)
|
|
newScrollValue = buttonAlloc.y1 - 10;
|
|
if (boxHeight + currentScrollValue < buttonAlloc.y2 + 10)
|
|
newScrollValue = buttonAlloc.y2 - boxHeight + 10;
|
|
if (newScrollValue !== currentScrollValue)
|
|
catsScrollBoxAdj.set_value(newScrollValue);
|
|
}
|
|
|
|
_createLayout() {
|
|
let section = new PopupMenu.PopupMenuSection();
|
|
this.menu.addMenuItem(section);
|
|
this.mainBox = new St.BoxLayout({ vertical: false });
|
|
this.leftBox = new St.BoxLayout({ vertical: true });
|
|
this.applicationsScrollBox = new St.ScrollView({
|
|
style_class: 'apps-menu vfade',
|
|
x_expand: true,
|
|
});
|
|
this.applicationsScrollBox.set_policy(Gtk.PolicyType.NEVER, Gtk.PolicyType.AUTOMATIC);
|
|
let vscroll = this.applicationsScrollBox.get_vscroll_bar();
|
|
vscroll.connect('scroll-start', () => {
|
|
this.menu.passEvents = true;
|
|
});
|
|
vscroll.connect('scroll-stop', () => {
|
|
this.menu.passEvents = false;
|
|
});
|
|
this.categoriesScrollBox = new St.ScrollView({
|
|
style_class: 'vfade',
|
|
});
|
|
this.categoriesScrollBox.set_policy(Gtk.PolicyType.NEVER, Gtk.PolicyType.AUTOMATIC);
|
|
vscroll = this.categoriesScrollBox.get_vscroll_bar();
|
|
vscroll.connect('scroll-start', () => (this.menu.passEvents = true));
|
|
vscroll.connect('scroll-stop', () => (this.menu.passEvents = false));
|
|
this.leftBox.add_child(this.categoriesScrollBox);
|
|
|
|
this.applicationsBox = new St.BoxLayout({ vertical: true });
|
|
this.applicationsScrollBox.add_actor(this.applicationsBox);
|
|
this.categoriesBox = new St.BoxLayout({ vertical: true });
|
|
this.categoriesScrollBox.add_actor(this.categoriesBox);
|
|
|
|
this.mainBox.add(this.leftBox);
|
|
this.mainBox.add_child(this._createVertSeparator());
|
|
this.mainBox.add_child(this.applicationsScrollBox);
|
|
section.actor.add_actor(this.mainBox);
|
|
}
|
|
|
|
_display() {
|
|
this._applicationsButtons.clear();
|
|
this.mainBox.style = 'width: 35em;';
|
|
this.mainBox.hide();
|
|
|
|
// Load categories
|
|
this.applicationsByCategory = {};
|
|
this._tree.load_sync();
|
|
let root = this._tree.get_root_directory();
|
|
let categoryMenuItem = new CategoryMenuItem(this, null);
|
|
this.categoriesBox.add_actor(categoryMenuItem);
|
|
let iter = root.iter();
|
|
let nextType;
|
|
while ((nextType = iter.next()) !== GMenu.TreeItemType.INVALID) {
|
|
if (nextType !== GMenu.TreeItemType.DIRECTORY)
|
|
continue;
|
|
|
|
let dir = iter.get_directory();
|
|
if (dir.get_is_nodisplay())
|
|
continue;
|
|
|
|
let categoryId = dir.get_menu_id();
|
|
this.applicationsByCategory[categoryId] = [];
|
|
this._loadCategory(categoryId, dir);
|
|
if (this.applicationsByCategory[categoryId].length > 0) {
|
|
categoryMenuItem = new CategoryMenuItem(this, dir);
|
|
this.categoriesBox.add_actor(categoryMenuItem);
|
|
}
|
|
}
|
|
|
|
// Load applications
|
|
this._displayButtons(this._listApplications(null));
|
|
|
|
let themeContext = St.ThemeContext.get_for_stage(global.stage);
|
|
let scaleFactor = themeContext.scale_factor;
|
|
let categoriesHeight = this.categoriesBox.height / scaleFactor;
|
|
let height = Math.round(categoriesHeight) + MENU_HEIGHT_OFFSET;
|
|
this.mainBox.style += `height: ${height}px`;
|
|
}
|
|
|
|
selectCategory(dir) {
|
|
this.applicationsBox.get_children().forEach(c => {
|
|
if (c._delegate instanceof PopupMenu.PopupSeparatorMenuItem)
|
|
c._delegate.destroy();
|
|
else
|
|
this.applicationsBox.remove_actor(c);
|
|
});
|
|
|
|
if (dir)
|
|
this._displayButtons(this._listApplications(dir.get_menu_id()));
|
|
else
|
|
this._displayButtons(this._listApplications(null));
|
|
}
|
|
|
|
_displayButtons(apps) {
|
|
for (let i = 0; i < apps.length; i++) {
|
|
let app = apps[i];
|
|
let item;
|
|
if (app instanceof Shell.App)
|
|
item = this._applicationsButtons.get(app);
|
|
else
|
|
item = new PopupMenu.PopupSeparatorMenuItem();
|
|
if (!item) {
|
|
item = new ApplicationMenuItem(this, app);
|
|
item.setDragEnabled(this._desktopTarget.hasDesktop);
|
|
this._applicationsButtons.set(app, item);
|
|
}
|
|
if (!item.get_parent())
|
|
this.applicationsBox.add_actor(item);
|
|
}
|
|
}
|
|
|
|
_listApplications(categoryMenuId) {
|
|
let applist;
|
|
|
|
if (categoryMenuId) {
|
|
applist = this.applicationsByCategory[categoryMenuId];
|
|
} else {
|
|
applist = global.settings.get_strv('favorite-apps')
|
|
.map(id => appSys.lookup_app(id))
|
|
.filter(app => app);
|
|
}
|
|
|
|
return applist;
|
|
}
|
|
});
|
|
|
|
let appsMenuButton;
|
|
|
|
function enable() {
|
|
appsMenuButton = new ApplicationsButton();
|
|
let index = Main.sessionMode.panel.left.indexOf('activities') + 1;
|
|
Main.panel.addToStatusArea('apps-menu', appsMenuButton, index, 'left');
|
|
}
|
|
|
|
function disable() {
|
|
Main.panel.menuManager.removeMenu(appsMenuButton.menu);
|
|
appsMenuButton.destroy();
|
|
}
|
|
|
|
function init() {
|
|
ExtensionUtils.initTranslations();
|
|
}
|