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diff --git a/js/ui/popupMenu.js b/js/ui/popupMenu.js
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+// -*- mode: js; js-indent-level: 4; indent-tabs-mode: nil -*-
+/* exported PopupMenuItem, PopupSeparatorMenuItem, Switch, PopupSwitchMenuItem,
+ PopupImageMenuItem, PopupMenu, PopupDummyMenu, PopupSubMenu,
+ PopupMenuSection, PopupSubMenuMenuItem, PopupMenuManager */
+
+const { Atk, Clutter, Gio, GObject, Graphene, Shell, St } = imports.gi;
+const Signals = imports.misc.signals;
+
+const BoxPointer = imports.ui.boxpointer;
+const Main = imports.ui.main;
+const Params = imports.misc.params;
+
+var Ornament = {
+ NONE: 0,
+ DOT: 1,
+ CHECK: 2,
+ HIDDEN: 3,
+};
+
+function isPopupMenuItemVisible(child) {
+ if (child._delegate instanceof PopupMenuSection) {
+ if (child._delegate.isEmpty())
+ return false;
+ }
+ return child.visible;
+}
+
+/**
+ * arrowIcon
+ * @param {St.Side} side - Side to which the arrow points.
+ * @returns {St.Icon} a new arrow icon
+ */
+function arrowIcon(side) {
+ let iconName;
+ switch (side) {
+ case St.Side.TOP:
+ iconName = 'pan-up-symbolic';
+ break;
+ case St.Side.RIGHT:
+ iconName = 'pan-end-symbolic';
+ break;
+ case St.Side.BOTTOM:
+ iconName = 'pan-down-symbolic';
+ break;
+ case St.Side.LEFT:
+ iconName = 'pan-start-symbolic';
+ break;
+ }
+
+ const arrow = new St.Icon({
+ style_class: 'popup-menu-arrow',
+ icon_name: iconName,
+ accessible_role: Atk.Role.ARROW,
+ y_expand: true,
+ y_align: Clutter.ActorAlign.CENTER,
+ });
+
+ return arrow;
+}
+
+var PopupBaseMenuItem = GObject.registerClass({
+ Properties: {
+ 'active': GObject.ParamSpec.boolean('active', 'active', 'active',
+ GObject.ParamFlags.READWRITE,
+ false),
+ 'sensitive': GObject.ParamSpec.boolean('sensitive', 'sensitive', 'sensitive',
+ GObject.ParamFlags.READWRITE,
+ true),
+ },
+ Signals: {
+ 'activate': { param_types: [Clutter.Event.$gtype] },
+ },
+}, class PopupBaseMenuItem extends St.BoxLayout {
+ _init(params) {
+ params = Params.parse(params, {
+ reactive: true,
+ activate: true,
+ hover: true,
+ style_class: null,
+ can_focus: true,
+ });
+ super._init({
+ style_class: 'popup-menu-item',
+ reactive: params.reactive,
+ track_hover: params.reactive,
+ can_focus: params.can_focus,
+ accessible_role: Atk.Role.MENU_ITEM,
+ });
+ this._delegate = this;
+
+ this._ornament = Ornament.NONE;
+ this._ornamentLabel = new St.Label({ style_class: 'popup-menu-ornament' });
+ this.add(this._ornamentLabel);
+
+ this._parent = null;
+ this._active = false;
+ this._activatable = params.reactive && params.activate;
+ this._sensitive = true;
+
+ if (!this._activatable)
+ this.add_style_class_name('popup-inactive-menu-item');
+
+ if (params.style_class)
+ this.add_style_class_name(params.style_class);
+
+ if (params.reactive && params.hover)
+ this.bind_property('hover', this, 'active', GObject.BindingFlags.SYNC_CREATE);
+ }
+
+ get actor() {
+ /* This is kept for compatibility with current implementation, and we
+ don't want to warn here yet since PopupMenu depends on this */
+ return this;
+ }
+
+ _getTopMenu() {
+ if (this._parent)
+ return this._parent._getTopMenu();
+ else
+ return this;
+ }
+
+ _setParent(parent) {
+ this._parent = parent;
+ }
+
+ vfunc_button_press_event() {
+ if (!this._activatable)
+ return Clutter.EVENT_PROPAGATE;
+
+ // This is the CSS active state
+ this.add_style_pseudo_class('active');
+ return Clutter.EVENT_PROPAGATE;
+ }
+
+ vfunc_button_release_event() {
+ if (!this._activatable)
+ return Clutter.EVENT_PROPAGATE;
+
+ this.remove_style_pseudo_class('active');
+ this.activate(Clutter.get_current_event());
+ return Clutter.EVENT_STOP;
+ }
+
+ vfunc_touch_event(touchEvent) {
+ if (!this._activatable)
+ return Clutter.EVENT_PROPAGATE;
+
+ if (touchEvent.type == Clutter.EventType.TOUCH_END) {
+ this.remove_style_pseudo_class('active');
+ this.activate(Clutter.get_current_event());
+ return Clutter.EVENT_STOP;
+ } else if (touchEvent.type == Clutter.EventType.TOUCH_BEGIN) {
+ // This is the CSS active state
+ this.add_style_pseudo_class('active');
+ }
+ return Clutter.EVENT_PROPAGATE;
+ }
+
+ vfunc_key_press_event(keyEvent) {
+ if (global.focus_manager.navigate_from_event(Clutter.get_current_event()))
+ return Clutter.EVENT_STOP;
+
+ if (!this._activatable)
+ return super.vfunc_key_press_event(keyEvent);
+
+ let state = keyEvent.modifier_state;
+
+ // if user has a modifier down (except capslock and numlock)
+ // then don't handle the key press here
+ state &= ~Clutter.ModifierType.LOCK_MASK;
+ state &= ~Clutter.ModifierType.MOD2_MASK;
+ state &= Clutter.ModifierType.MODIFIER_MASK;
+
+ if (state)
+ return Clutter.EVENT_PROPAGATE;
+
+ let symbol = keyEvent.keyval;
+ if (symbol == Clutter.KEY_space || symbol == Clutter.KEY_Return) {
+ this.activate(Clutter.get_current_event());
+ return Clutter.EVENT_STOP;
+ }
+ return Clutter.EVENT_PROPAGATE;
+ }
+
+ vfunc_key_focus_in() {
+ super.vfunc_key_focus_in();
+ this.active = true;
+ }
+
+ vfunc_key_focus_out() {
+ super.vfunc_key_focus_out();
+ this.active = false;
+ }
+
+ activate(event) {
+ this.emit('activate', event);
+ }
+
+ get active() {
+ return this._active;
+ }
+
+ set active(active) {
+ let activeChanged = active != this.active;
+ if (activeChanged) {
+ this._active = active;
+ if (active) {
+ this.add_style_class_name('selected');
+ if (this.can_focus)
+ this.grab_key_focus();
+ } else {
+ this.remove_style_class_name('selected');
+ // Remove the CSS active state if the user press the button and
+ // while holding moves to another menu item, so we don't paint all items.
+ // The correct behaviour would be to set the new item with the CSS
+ // active state as well, but button-press-event is not triggered,
+ // so we should track it in our own, which would involve some work
+ // in the container
+ this.remove_style_pseudo_class('active');
+ }
+ this.notify('active');
+ }
+ }
+
+ syncSensitive() {
+ let sensitive = this.sensitive;
+ this.reactive = sensitive;
+ this.can_focus = sensitive;
+ this.notify('sensitive');
+ return sensitive;
+ }
+
+ getSensitive() {
+ const parentSensitive = this._parent?.sensitive ?? true;
+ return this._activatable && this._sensitive && parentSensitive;
+ }
+
+ setSensitive(sensitive) {
+ if (this._sensitive == sensitive)
+ return;
+
+ this._sensitive = sensitive;
+ this.syncSensitive();
+ }
+
+ get sensitive() {
+ return this.getSensitive();
+ }
+
+ set sensitive(sensitive) {
+ this.setSensitive(sensitive);
+ }
+
+ setOrnament(ornament) {
+ if (ornament == this._ornament)
+ return;
+
+ this._ornament = ornament;
+
+ if (ornament == Ornament.DOT) {
+ this._ornamentLabel.text = '\u2022';
+ this.add_accessible_state(Atk.StateType.CHECKED);
+ } else if (ornament == Ornament.CHECK) {
+ this._ornamentLabel.text = '\u2713';
+ this.add_accessible_state(Atk.StateType.CHECKED);
+ } else if (ornament == Ornament.NONE || ornament == Ornament.HIDDEN) {
+ this._ornamentLabel.text = '';
+ this.remove_accessible_state(Atk.StateType.CHECKED);
+ }
+
+ this._ornamentLabel.visible = ornament != Ornament.HIDDEN;
+ }
+});
+
+var PopupMenuItem = GObject.registerClass(
+class PopupMenuItem extends PopupBaseMenuItem {
+ _init(text, params) {
+ super._init(params);
+
+ this.label = new St.Label({
+ text,
+ y_expand: true,
+ y_align: Clutter.ActorAlign.CENTER,
+ });
+ this.add_child(this.label);
+ this.label_actor = this.label;
+ }
+});
+
+
+var PopupSeparatorMenuItem = GObject.registerClass(
+class PopupSeparatorMenuItem extends PopupBaseMenuItem {
+ _init(text) {
+ super._init({
+ style_class: 'popup-separator-menu-item',
+ reactive: false,
+ can_focus: false,
+ });
+
+ this.label = new St.Label({ text: text || '' });
+ this.add(this.label);
+ this.label_actor = this.label;
+
+ this.label.connect('notify::text',
+ this._syncVisibility.bind(this));
+ this._syncVisibility();
+
+ this._separator = new St.Widget({
+ style_class: 'popup-separator-menu-item-separator',
+ x_expand: true,
+ y_expand: true,
+ y_align: Clutter.ActorAlign.CENTER,
+ });
+ this.add_child(this._separator);
+ }
+
+ _syncVisibility() {
+ this.label.visible = this.label.text != '';
+ }
+});
+
+var Switch = GObject.registerClass({
+ Properties: {
+ 'state': GObject.ParamSpec.boolean(
+ 'state', 'state', 'state',
+ GObject.ParamFlags.READWRITE,
+ false),
+ },
+}, class Switch extends St.Bin {
+ _init(state) {
+ this._state = false;
+
+ super._init({
+ style_class: 'toggle-switch',
+ accessible_role: Atk.Role.CHECK_BOX,
+ state,
+ });
+ }
+
+ get state() {
+ return this._state;
+ }
+
+ set state(state) {
+ if (this._state === state)
+ return;
+
+ if (state)
+ this.add_style_pseudo_class('checked');
+ else
+ this.remove_style_pseudo_class('checked');
+
+ this._state = state;
+ this.notify('state');
+ }
+
+ toggle() {
+ this.state = !this.state;
+ }
+});
+
+var PopupSwitchMenuItem = GObject.registerClass({
+ Signals: { 'toggled': { param_types: [GObject.TYPE_BOOLEAN] } },
+}, class PopupSwitchMenuItem extends PopupBaseMenuItem {
+ _init(text, active, params) {
+ super._init(params);
+
+ this.label = new St.Label({
+ text,
+ y_expand: true,
+ y_align: Clutter.ActorAlign.CENTER,
+ });
+ this._switch = new Switch(active);
+
+ this.accessible_role = Atk.Role.CHECK_MENU_ITEM;
+ this.checkAccessibleState();
+ this.label_actor = this.label;
+
+ this.add_child(this.label);
+
+ this._statusBin = new St.Bin({
+ x_align: Clutter.ActorAlign.END,
+ x_expand: true,
+ });
+ this.add_child(this._statusBin);
+
+ this._statusLabel = new St.Label({
+ text: '',
+ style_class: 'popup-status-menu-item',
+ y_expand: true,
+ y_align: Clutter.ActorAlign.CENTER,
+ });
+ this._statusBin.child = this._switch;
+ }
+
+ setStatus(text) {
+ if (text != null) {
+ this._statusLabel.text = text;
+ this._statusBin.child = this._statusLabel;
+ this.reactive = false;
+ this.accessible_role = Atk.Role.MENU_ITEM;
+ } else {
+ this._statusBin.child = this._switch;
+ this.reactive = true;
+ this.accessible_role = Atk.Role.CHECK_MENU_ITEM;
+ }
+ this.checkAccessibleState();
+ }
+
+ activate(event) {
+ if (this._switch.mapped)
+ this.toggle();
+
+ // we allow pressing space to toggle the switch
+ // without closing the menu
+ if (event.type() == Clutter.EventType.KEY_PRESS &&
+ event.get_key_symbol() == Clutter.KEY_space)
+ return;
+
+ super.activate(event);
+ }
+
+ toggle() {
+ this._switch.toggle();
+ this.emit('toggled', this._switch.state);
+ this.checkAccessibleState();
+ }
+
+ get state() {
+ return this._switch.state;
+ }
+
+ setToggleState(state) {
+ this._switch.state = state;
+ this.checkAccessibleState();
+ }
+
+ checkAccessibleState() {
+ switch (this.accessible_role) {
+ case Atk.Role.CHECK_MENU_ITEM:
+ if (this._switch.state)
+ this.add_accessible_state(Atk.StateType.CHECKED);
+ else
+ this.remove_accessible_state(Atk.StateType.CHECKED);
+ break;
+ default:
+ this.remove_accessible_state(Atk.StateType.CHECKED);
+ }
+ }
+});
+
+var PopupImageMenuItem = GObject.registerClass(
+class PopupImageMenuItem extends PopupBaseMenuItem {
+ _init(text, icon, params) {
+ super._init(params);
+
+ this._icon = new St.Icon({
+ style_class: 'popup-menu-icon',
+ x_align: Clutter.ActorAlign.END,
+ });
+ this.add_child(this._icon);
+ this.label = new St.Label({
+ text,
+ y_expand: true,
+ y_align: Clutter.ActorAlign.CENTER,
+ });
+ this.add_child(this.label);
+ this.label_actor = this.label;
+
+ this.set_child_above_sibling(this._ornamentLabel, this.label);
+
+ this.setIcon(icon);
+ }
+
+ setIcon(icon) {
+ // The 'icon' parameter can be either a Gio.Icon or a string.
+ if (icon instanceof GObject.Object && GObject.type_is_a(icon, Gio.Icon))
+ this._icon.gicon = icon;
+ else
+ this._icon.icon_name = icon;
+ }
+});
+
+var PopupMenuBase = class extends Signals.EventEmitter {
+ constructor(sourceActor, styleClass) {
+ super();
+
+ if (this.constructor === PopupMenuBase)
+ throw new TypeError(`Cannot instantiate abstract class ${this.constructor.name}`);
+
+ this.sourceActor = sourceActor;
+ this.focusActor = sourceActor;
+ this._parent = null;
+
+ this.box = new St.BoxLayout({
+ vertical: true,
+ x_expand: true,
+ y_expand: true,
+ });
+
+ if (styleClass !== undefined)
+ this.box.style_class = styleClass;
+ this.length = 0;
+
+ this.isOpen = false;
+
+ this._activeMenuItem = null;
+ this._settingsActions = { };
+
+ this._sensitive = true;
+
+ Main.sessionMode.connectObject('updated', () => this._sessionUpdated(), this);
+ }
+
+ _getTopMenu() {
+ if (this._parent)
+ return this._parent._getTopMenu();
+ else
+ return this;
+ }
+
+ _setParent(parent) {
+ this._parent = parent;
+ }
+
+ getSensitive() {
+ const parentSensitive = this._parent?.sensitive ?? true;
+ return this._sensitive && parentSensitive;
+ }
+
+ setSensitive(sensitive) {
+ this._sensitive = sensitive;
+ this.emit('notify::sensitive');
+ }
+
+ get sensitive() {
+ return this.getSensitive();
+ }
+
+ set sensitive(sensitive) {
+ this.setSensitive(sensitive);
+ }
+
+ _sessionUpdated() {
+ this._setSettingsVisibility(Main.sessionMode.allowSettings);
+ this.close();
+ }
+
+ addAction(title, callback, icon) {
+ let menuItem;
+ if (icon != undefined)
+ menuItem = new PopupImageMenuItem(title, icon);
+ else
+ menuItem = new PopupMenuItem(title);
+
+ this.addMenuItem(menuItem);
+ menuItem.connect('activate', (o, event) => {
+ callback(event);
+ });
+
+ return menuItem;
+ }
+
+ addSettingsAction(title, desktopFile) {
+ let menuItem = this.addAction(title, () => {
+ let app = Shell.AppSystem.get_default().lookup_app(desktopFile);
+
+ if (!app) {
+ log(`Settings panel for desktop file ${desktopFile} could not be loaded!`);
+ return;
+ }
+
+ Main.overview.hide();
+ Main.panel.closeQuickSettings();
+ app.activate();
+ });
+
+ menuItem.visible = Main.sessionMode.allowSettings;
+ this._settingsActions[desktopFile] = menuItem;
+
+ return menuItem;
+ }
+
+ _setSettingsVisibility(visible) {
+ for (let id in this._settingsActions) {
+ let item = this._settingsActions[id];
+ item.visible = visible;
+ }
+ }
+
+ isEmpty() {
+ let hasVisibleChildren = this.box.get_children().some(child => {
+ if (child._delegate instanceof PopupSeparatorMenuItem)
+ return false;
+ return isPopupMenuItemVisible(child);
+ });
+
+ return !hasVisibleChildren;
+ }
+
+ itemActivated(animate) {
+ if (animate == undefined)
+ animate = BoxPointer.PopupAnimation.FULL;
+
+ this._getTopMenu().close(animate);
+ }
+
+ _subMenuActiveChanged(submenu, submenuItem) {
+ if (this._activeMenuItem && this._activeMenuItem != submenuItem)
+ this._activeMenuItem.active = false;
+ this._activeMenuItem = submenuItem;
+ this.emit('active-changed', submenuItem);
+ }
+
+ _connectItemSignals(menuItem) {
+ menuItem.connectObject(
+ 'notify::active', () => {
+ const { active } = menuItem;
+ if (active && this._activeMenuItem !== menuItem) {
+ if (this._activeMenuItem)
+ this._activeMenuItem.active = false;
+ this._activeMenuItem = menuItem;
+ this.emit('active-changed', menuItem);
+ } else if (!active && this._activeMenuItem === menuItem) {
+ this._activeMenuItem = null;
+ this.emit('active-changed', null);
+ }
+ },
+ 'notify::sensitive', () => {
+ const { sensitive } = menuItem;
+ if (!sensitive && this._activeMenuItem === menuItem) {
+ if (!this.actor.navigate_focus(menuItem.actor,
+ St.DirectionType.TAB_FORWARD, true))
+ this.actor.grab_key_focus();
+ } else if (sensitive && this._activeMenuItem === null) {
+ if (global.stage.get_key_focus() === this.actor)
+ menuItem.actor.grab_key_focus();
+ }
+ },
+ 'activate', () => {
+ this.emit('activate', menuItem);
+ this.itemActivated(BoxPointer.PopupAnimation.FULL);
+ }, GObject.ConnectFlags.AFTER,
+ 'destroy', () => {
+ if (menuItem === this._activeMenuItem)
+ this._activeMenuItem = null;
+ }, this);
+
+ this.connectObject('notify::sensitive',
+ () => menuItem.syncSensitive(), menuItem);
+ }
+
+ _updateSeparatorVisibility(menuItem) {
+ if (menuItem.label.text)
+ return;
+
+ let children = this.box.get_children();
+
+ let index = children.indexOf(menuItem.actor);
+
+ if (index < 0)
+ return;
+
+ let childBeforeIndex = index - 1;
+
+ while (childBeforeIndex >= 0 && !isPopupMenuItemVisible(children[childBeforeIndex]))
+ childBeforeIndex--;
+
+ if (childBeforeIndex < 0 ||
+ children[childBeforeIndex]._delegate instanceof PopupSeparatorMenuItem) {
+ menuItem.actor.hide();
+ return;
+ }
+
+ let childAfterIndex = index + 1;
+
+ while (childAfterIndex < children.length && !isPopupMenuItemVisible(children[childAfterIndex]))
+ childAfterIndex++;
+
+ if (childAfterIndex >= children.length ||
+ children[childAfterIndex]._delegate instanceof PopupSeparatorMenuItem) {
+ menuItem.actor.hide();
+ return;
+ }
+
+ menuItem.show();
+ }
+
+ moveMenuItem(menuItem, position) {
+ let items = this._getMenuItems();
+ let i = 0;
+
+ while (i < items.length && position > 0) {
+ if (items[i] != menuItem)
+ position--;
+ i++;
+ }
+
+ if (i < items.length) {
+ if (items[i] != menuItem)
+ this.box.set_child_below_sibling(menuItem.actor, items[i].actor);
+ } else {
+ this.box.set_child_above_sibling(menuItem.actor, null);
+ }
+ }
+
+ addMenuItem(menuItem, position) {
+ let beforeItem = null;
+ if (position == undefined) {
+ this.box.add(menuItem.actor);
+ } else {
+ let items = this._getMenuItems();
+ if (position < items.length) {
+ beforeItem = items[position].actor;
+ this.box.insert_child_below(menuItem.actor, beforeItem);
+ } else {
+ this.box.add(menuItem.actor);
+ }
+ }
+
+ if (menuItem instanceof PopupMenuSection) {
+ menuItem.connectObject(
+ 'active-changed', this._subMenuActiveChanged.bind(this),
+ 'destroy', () => this.length--, this);
+
+ this.connectObject(
+ 'open-state-changed', (self, open) => {
+ if (open)
+ menuItem.open();
+ else
+ menuItem.close();
+ },
+ 'menu-closed', () => menuItem.emit('menu-closed'),
+ 'notify::sensitive', () => menuItem.emit('notify::sensitive'),
+ menuItem);
+ } else if (menuItem instanceof PopupSubMenuMenuItem) {
+ if (beforeItem == null)
+ this.box.add(menuItem.menu.actor);
+ else
+ this.box.insert_child_below(menuItem.menu.actor, beforeItem);
+
+ this._connectItemSignals(menuItem);
+ menuItem.menu.connectObject('active-changed',
+ this._subMenuActiveChanged.bind(this), this);
+ this.connectObject('menu-closed', () => {
+ menuItem.menu.close(BoxPointer.PopupAnimation.NONE);
+ }, menuItem);
+ } else if (menuItem instanceof PopupSeparatorMenuItem) {
+ this._connectItemSignals(menuItem);
+
+ // updateSeparatorVisibility needs to get called any time the
+ // separator's adjacent siblings change visibility or position.
+ // open-state-changed isn't exactly that, but doing it in more
+ // precise ways would require a lot more bookkeeping.
+ this.connectObject('open-state-changed', () => {
+ this._updateSeparatorVisibility(menuItem);
+ }, menuItem);
+ } else if (menuItem instanceof PopupBaseMenuItem) {
+ this._connectItemSignals(menuItem);
+ } else {
+ throw TypeError("Invalid argument to PopupMenuBase.addMenuItem()");
+ }
+
+ menuItem._setParent(this);
+
+ this.length++;
+ }
+
+ _getMenuItems() {
+ return this.box.get_children().map(a => a._delegate).filter(item => {
+ return item instanceof PopupBaseMenuItem || item instanceof PopupMenuSection;
+ });
+ }
+
+ get firstMenuItem() {
+ let items = this._getMenuItems();
+ if (items.length)
+ return items[0];
+ else
+ return null;
+ }
+
+ get numMenuItems() {
+ return this._getMenuItems().length;
+ }
+
+ removeAll() {
+ let children = this._getMenuItems();
+ for (let i = 0; i < children.length; i++) {
+ let item = children[i];
+ item.destroy();
+ }
+ }
+
+ toggle() {
+ if (this.isOpen)
+ this.close(BoxPointer.PopupAnimation.FULL);
+ else
+ this.open(BoxPointer.PopupAnimation.FULL);
+ }
+
+ destroy() {
+ this.close();
+ this.removeAll();
+ this.actor.destroy();
+
+ this.emit('destroy');
+
+ Main.sessionMode.disconnectObject(this);
+ }
+};
+
+var PopupMenu = class extends PopupMenuBase {
+ constructor(sourceActor, arrowAlignment, arrowSide) {
+ super(sourceActor, 'popup-menu-content');
+
+ this._arrowAlignment = arrowAlignment;
+ this._arrowSide = arrowSide;
+
+ this._boxPointer = new BoxPointer.BoxPointer(arrowSide);
+ this.actor = this._boxPointer;
+ this.actor._delegate = this;
+ this.actor.style_class = 'popup-menu-boxpointer';
+
+ this._boxPointer.bin.set_child(this.box);
+ this.actor.add_style_class_name('popup-menu');
+
+ global.focus_manager.add_group(this.actor);
+ this.actor.reactive = true;
+
+ if (this.sourceActor) {
+ this.sourceActor.connectObject(
+ 'key-press-event', this._onKeyPress.bind(this),
+ 'notify::mapped', () => {
+ if (!this.sourceActor.mapped)
+ this.close();
+ }, this);
+ }
+
+ this._systemModalOpenedId = 0;
+ this._openedSubMenu = null;
+ }
+
+ _setOpenedSubMenu(submenu) {
+ if (this._openedSubMenu)
+ this._openedSubMenu.close(true);
+
+ this._openedSubMenu = submenu;
+ }
+
+ _onKeyPress(actor, event) {
+ // Disable toggling the menu by keyboard
+ // when it cannot be toggled by pointer
+ if (!actor.reactive)
+ return Clutter.EVENT_PROPAGATE;
+
+ let navKey;
+ switch (this._boxPointer.arrowSide) {
+ case St.Side.TOP:
+ navKey = Clutter.KEY_Down;
+ break;
+ case St.Side.BOTTOM:
+ navKey = Clutter.KEY_Up;
+ break;
+ case St.Side.LEFT:
+ navKey = Clutter.KEY_Right;
+ break;
+ case St.Side.RIGHT:
+ navKey = Clutter.KEY_Left;
+ break;
+ }
+
+ let state = event.get_state();
+
+ // if user has a modifier down (except capslock and numlock)
+ // then don't handle the key press here
+ state &= ~Clutter.ModifierType.LOCK_MASK;
+ state &= ~Clutter.ModifierType.MOD2_MASK;
+ state &= Clutter.ModifierType.MODIFIER_MASK;
+
+ if (state)
+ return Clutter.EVENT_PROPAGATE;
+
+ let symbol = event.get_key_symbol();
+
+ if (symbol == Clutter.KEY_space || symbol == Clutter.KEY_Return) {
+ this.toggle();
+ return Clutter.EVENT_STOP;
+ } else if (symbol == navKey) {
+ if (!this.isOpen)
+ this.toggle();
+ this.actor.navigate_focus(null, St.DirectionType.TAB_FORWARD, false);
+ return Clutter.EVENT_STOP;
+ } else {
+ return Clutter.EVENT_PROPAGATE;
+ }
+ }
+
+ setArrowOrigin(origin) {
+ this._boxPointer.setArrowOrigin(origin);
+ }
+
+ setSourceAlignment(alignment) {
+ this._boxPointer.setSourceAlignment(alignment);
+ }
+
+ open(animate) {
+ if (this.isOpen)
+ return;
+
+ if (this.isEmpty())
+ return;
+
+ if (!this._systemModalOpenedId) {
+ this._systemModalOpenedId =
+ Main.layoutManager.connect('system-modal-opened', () => this.close());
+ }
+
+ this.isOpen = true;
+
+ this._boxPointer.setPosition(this.sourceActor, this._arrowAlignment);
+ this._boxPointer.open(animate);
+
+ this.actor.get_parent().set_child_above_sibling(this.actor, null);
+
+ this.emit('open-state-changed', true);
+ }
+
+ close(animate) {
+ if (this._activeMenuItem)
+ this._activeMenuItem.active = false;
+
+ if (this._boxPointer.visible) {
+ this._boxPointer.close(animate, () => {
+ this.emit('menu-closed');
+ });
+ }
+
+ if (!this.isOpen)
+ return;
+
+ this.isOpen = false;
+ this.emit('open-state-changed', false);
+ }
+
+ destroy() {
+ this.sourceActor?.disconnectObject(this);
+
+ if (this._systemModalOpenedId)
+ Main.layoutManager.disconnect(this._systemModalOpenedId);
+ this._systemModalOpenedId = 0;
+
+ super.destroy();
+ }
+};
+
+var PopupDummyMenu = class extends Signals.EventEmitter {
+ constructor(sourceActor) {
+ super();
+
+ this.sourceActor = sourceActor;
+ this.actor = sourceActor;
+ this.actor._delegate = this;
+ }
+
+ getSensitive() {
+ return true;
+ }
+
+ get sensitive() {
+ return this.getSensitive();
+ }
+
+ open() {
+ if (this.isOpen)
+ return;
+ this.isOpen = true;
+ this.emit('open-state-changed', true);
+ }
+
+ close() {
+ if (!this.isOpen)
+ return;
+ this.isOpen = false;
+ this.emit('open-state-changed', false);
+ }
+
+ toggle() {}
+
+ destroy() {
+ this.emit('destroy');
+ }
+};
+
+var PopupSubMenu = class extends PopupMenuBase {
+ constructor(sourceActor, sourceArrow) {
+ super(sourceActor);
+
+ this._arrow = sourceArrow;
+
+ // Since a function of a submenu might be to provide a "More.." expander
+ // with long content, we make it scrollable - the scrollbar will only take
+ // effect if a CSS max-height is set on the top menu.
+ this.actor = new St.ScrollView({
+ style_class: 'popup-sub-menu',
+ hscrollbar_policy: St.PolicyType.NEVER,
+ vscrollbar_policy: St.PolicyType.NEVER,
+ });
+
+ this.actor.add_actor(this.box);
+ this.actor._delegate = this;
+ this.actor.clip_to_allocation = true;
+ this.actor.connect('key-press-event', this._onKeyPressEvent.bind(this));
+ this.actor.hide();
+ }
+
+ _needsScrollbar() {
+ let topMenu = this._getTopMenu();
+ let [, topNaturalHeight] = topMenu.actor.get_preferred_height(-1);
+ let topThemeNode = topMenu.actor.get_theme_node();
+
+ let topMaxHeight = topThemeNode.get_max_height();
+ return topMaxHeight >= 0 && topNaturalHeight >= topMaxHeight;
+ }
+
+ getSensitive() {
+ return this._sensitive && this.sourceActor.sensitive;
+ }
+
+ get sensitive() {
+ return this.getSensitive();
+ }
+
+ open(animate) {
+ if (this.isOpen)
+ return;
+
+ if (this.isEmpty())
+ return;
+
+ this.isOpen = true;
+ this.emit('open-state-changed', true);
+
+ this.actor.show();
+
+ let needsScrollbar = this._needsScrollbar();
+
+ // St.ScrollView always requests space horizontally for a possible vertical
+ // scrollbar if in AUTOMATIC mode. Doing better would require implementation
+ // of width-for-height in St.BoxLayout and St.ScrollView. This looks bad
+ // when we *don't* need it, so turn off the scrollbar when that's true.
+ // Dynamic changes in whether we need it aren't handled properly.
+ this.actor.vscrollbar_policy =
+ needsScrollbar ? St.PolicyType.AUTOMATIC : St.PolicyType.NEVER;
+
+ if (needsScrollbar)
+ this.actor.add_style_pseudo_class('scrolled');
+ else
+ this.actor.remove_style_pseudo_class('scrolled');
+
+ // It looks funny if we animate with a scrollbar (at what point is
+ // the scrollbar added?) so just skip that case
+ if (animate && needsScrollbar)
+ animate = false;
+
+ let targetAngle = this.actor.text_direction == Clutter.TextDirection.RTL ? -90 : 90;
+
+ if (animate) {
+ let [, naturalHeight] = this.actor.get_preferred_height(-1);
+ this.actor.height = 0;
+ this.actor.ease({
+ height: naturalHeight,
+ duration: 250,
+ mode: Clutter.AnimationMode.EASE_OUT_EXPO,
+ onComplete: () => this.actor.set_height(-1),
+ });
+ this._arrow.ease({
+ rotation_angle_z: targetAngle,
+ duration: 250,
+ mode: Clutter.AnimationMode.EASE_OUT_EXPO,
+ });
+ } else {
+ this._arrow.rotation_angle_z = targetAngle;
+ }
+ }
+
+ close(animate) {
+ if (!this.isOpen)
+ return;
+
+ this.isOpen = false;
+ this.emit('open-state-changed', false);
+
+ if (this._activeMenuItem)
+ this._activeMenuItem.active = false;
+
+ if (animate && this._needsScrollbar())
+ animate = false;
+
+ if (animate) {
+ this.actor.ease({
+ height: 0,
+ duration: 250,
+ mode: Clutter.AnimationMode.EASE_OUT_EXPO,
+ onComplete: () => {
+ this.actor.hide();
+ this.actor.set_height(-1);
+ },
+ });
+ this._arrow.ease({
+ rotation_angle_z: 0,
+ duration: 250,
+ mode: Clutter.AnimationMode.EASE_OUT_EXPO,
+ });
+ } else {
+ this._arrow.rotation_angle_z = 0;
+ this.actor.hide();
+ }
+ }
+
+ _onKeyPressEvent(actor, event) {
+ // Move focus back to parent menu if the user types Left.
+
+ if (this.isOpen && event.get_key_symbol() == Clutter.KEY_Left) {
+ this.close(BoxPointer.PopupAnimation.FULL);
+ this.sourceActor._delegate.active = true;
+ return Clutter.EVENT_STOP;
+ }
+
+ return Clutter.EVENT_PROPAGATE;
+ }
+};
+
+/**
+ * PopupMenuSection:
+ *
+ * A section of a PopupMenu which is handled like a submenu
+ * (you can add and remove items, you can destroy it, you
+ * can add it to another menu), but is completely transparent
+ * to the user
+ */
+var PopupMenuSection = class extends PopupMenuBase {
+ constructor() {
+ super();
+
+ this.actor = this.box;
+ this.actor._delegate = this;
+ this.isOpen = true;
+
+ this.actor.add_style_class_name('popup-menu-section');
+ }
+
+ // deliberately ignore any attempt to open() or close(), but emit the
+ // corresponding signal so children can still pick it up
+ open() {
+ this.emit('open-state-changed', true);
+ }
+
+ close() {
+ this.emit('open-state-changed', false);
+ }
+};
+
+var PopupSubMenuMenuItem = GObject.registerClass(
+class PopupSubMenuMenuItem extends PopupBaseMenuItem {
+ _init(text, wantIcon) {
+ super._init();
+
+ this.add_style_class_name('popup-submenu-menu-item');
+
+ if (wantIcon) {
+ this.icon = new St.Icon({ style_class: 'popup-menu-icon' });
+ this.add_child(this.icon);
+ }
+
+ this.label = new St.Label({
+ text,
+ y_expand: true,
+ y_align: Clutter.ActorAlign.CENTER,
+ });
+ this.add_child(this.label);
+ this.label_actor = this.label;
+
+ let expander = new St.Bin({
+ style_class: 'popup-menu-item-expander',
+ x_expand: true,
+ });
+ this.add_child(expander);
+
+ this._triangle = arrowIcon(St.Side.RIGHT);
+ this._triangle.pivot_point = new Graphene.Point({ x: 0.5, y: 0.6 });
+
+ this._triangleBin = new St.Widget({
+ y_expand: true,
+ y_align: Clutter.ActorAlign.CENTER,
+ });
+ this._triangleBin.add_child(this._triangle);
+
+ this.add_child(this._triangleBin);
+ this.add_accessible_state(Atk.StateType.EXPANDABLE);
+
+ this.menu = new PopupSubMenu(this, this._triangle);
+ this.menu.connect('open-state-changed', this._subMenuOpenStateChanged.bind(this));
+ this.connect('destroy', () => this.menu.destroy());
+ }
+
+ _setParent(parent) {
+ super._setParent(parent);
+ this.menu._setParent(parent);
+ }
+
+ syncSensitive() {
+ let sensitive = super.syncSensitive();
+ this._triangle.visible = sensitive;
+ if (!sensitive)
+ this.menu.close(false);
+ }
+
+ _subMenuOpenStateChanged(menu, open) {
+ if (open) {
+ this.add_style_pseudo_class('open');
+ this._getTopMenu()._setOpenedSubMenu(this.menu);
+ this.add_accessible_state(Atk.StateType.EXPANDED);
+ this.add_style_pseudo_class('checked');
+ } else {
+ this.remove_style_pseudo_class('open');
+ this._getTopMenu()._setOpenedSubMenu(null);
+ this.remove_accessible_state(Atk.StateType.EXPANDED);
+ this.remove_style_pseudo_class('checked');
+ }
+ }
+
+ setSubmenuShown(open) {
+ if (open)
+ this.menu.open(BoxPointer.PopupAnimation.FULL);
+ else
+ this.menu.close(BoxPointer.PopupAnimation.FULL);
+ }
+
+ _setOpenState(open) {
+ this.setSubmenuShown(open);
+ }
+
+ _getOpenState() {
+ return this.menu.isOpen;
+ }
+
+ vfunc_key_press_event(keyPressEvent) {
+ let symbol = keyPressEvent.keyval;
+
+ if (symbol == Clutter.KEY_Right) {
+ this._setOpenState(true);
+ this.menu.actor.navigate_focus(null, St.DirectionType.DOWN, false);
+ return Clutter.EVENT_STOP;
+ } else if (symbol == Clutter.KEY_Left && this._getOpenState()) {
+ this._setOpenState(false);
+ return Clutter.EVENT_STOP;
+ }
+
+ return super.vfunc_key_press_event(keyPressEvent);
+ }
+
+ activate(_event) {
+ this._setOpenState(true);
+ }
+
+ vfunc_button_release_event() {
+ // Since we override the parent, we need to manage what the parent does
+ // with the active style class
+ this.remove_style_pseudo_class('active');
+ this._setOpenState(!this._getOpenState());
+ return Clutter.EVENT_PROPAGATE;
+ }
+
+ vfunc_touch_event(touchEvent) {
+ if (touchEvent.type == Clutter.EventType.TOUCH_END) {
+ // Since we override the parent, we need to manage what the parent does
+ // with the active style class
+ this.remove_style_pseudo_class('active');
+ this._setOpenState(!this._getOpenState());
+ }
+ return Clutter.EVENT_PROPAGATE;
+ }
+});
+
+/* Basic implementation of a menu manager.
+ * Call addMenu to add menus
+ */
+var PopupMenuManager = class {
+ constructor(owner, grabParams) {
+ this._grabParams = Params.parse(grabParams,
+ { actionMode: Shell.ActionMode.POPUP });
+ global.stage.connect('notify::key-focus', () => {
+ if (!this.activeMenu)
+ return;
+
+ let actor = global.stage.get_key_focus();
+ let newMenu = this._findMenuForSource(actor);
+
+ if (newMenu)
+ this._changeMenu(newMenu);
+ });
+ this._menus = [];
+ }
+
+ addMenu(menu, position) {
+ if (this._menus.includes(menu))
+ return;
+
+ menu.connectObject(
+ 'open-state-changed', this._onMenuOpenState.bind(this),
+ 'destroy', () => this.removeMenu(menu), this);
+ menu.actor.connectObject('captured-event',
+ this._onCapturedEvent.bind(this), this);
+
+ if (position == undefined)
+ this._menus.push(menu);
+ else
+ this._menus.splice(position, 0, menu);
+ }
+
+ removeMenu(menu) {
+ if (menu === this.activeMenu) {
+ Main.popModal(this._grab);
+ this._grab = null;
+ }
+
+ const position = this._menus.indexOf(menu);
+ if (position == -1) // not a menu we manage
+ return;
+
+ menu.disconnectObject(this);
+ menu.actor.disconnectObject(this);
+
+ this._menus.splice(position, 1);
+ }
+
+ ignoreRelease() {
+ }
+
+ _onMenuOpenState(menu, open) {
+ if (open && this.activeMenu === menu)
+ return;
+
+ if (open) {
+ const oldMenu = this.activeMenu;
+ const oldGrab = this._grab;
+ this._grab = Main.pushModal(menu.actor, this._grabParams);
+ this.activeMenu = menu;
+ oldMenu?.close(BoxPointer.PopupAnimation.FADE);
+ if (oldGrab)
+ Main.popModal(oldGrab);
+ } else if (this.activeMenu === menu) {
+ this.activeMenu = null;
+ Main.popModal(this._grab);
+ this._grab = null;
+ }
+ }
+
+ _changeMenu(newMenu) {
+ newMenu.open(this.activeMenu
+ ? BoxPointer.PopupAnimation.FADE
+ : BoxPointer.PopupAnimation.FULL);
+ }
+
+ _onCapturedEvent(actor, event) {
+ let menu = actor._delegate;
+ const targetActor = global.stage.get_event_actor(event);
+
+ if (event.type() === Clutter.EventType.KEY_PRESS) {
+ let symbol = event.get_key_symbol();
+ if (symbol === Clutter.KEY_Down &&
+ global.stage.get_key_focus() === menu.actor) {
+ actor.navigate_focus(null, St.DirectionType.TAB_FORWARD, false);
+ return Clutter.EVENT_STOP;
+ } else if (symbol === Clutter.KEY_Escape && menu.isOpen) {
+ menu.close(BoxPointer.PopupAnimation.FULL);
+ return Clutter.EVENT_STOP;
+ }
+ } else if (event.type() === Clutter.EventType.ENTER &&
+ (event.get_flags() & Clutter.EventFlags.FLAG_GRAB_NOTIFY) === 0) {
+ let hoveredMenu = this._findMenuForSource(targetActor);
+
+ if (hoveredMenu && hoveredMenu !== menu)
+ this._changeMenu(hoveredMenu);
+ } else if ((event.type() === Clutter.EventType.BUTTON_PRESS ||
+ event.type() === Clutter.EventType.TOUCH_BEGIN) &&
+ !actor.contains(targetActor)) {
+ menu.close(BoxPointer.PopupAnimation.FULL);
+ }
+
+ return Clutter.EVENT_PROPAGATE;
+ }
+
+ _findMenuForSource(source) {
+ while (source) {
+ let actor = source;
+ const menu = this._menus.find(m => m.sourceActor === actor);
+ if (menu)
+ return menu;
+ source = source.get_parent();
+ }
+
+ return null;
+ }
+
+ _closeMenu(isUser, menu) {
+ // If this isn't a user action, we called close()
+ // on the BoxPointer ourselves, so we shouldn't
+ // reanimate.
+ if (isUser)
+ menu.close(BoxPointer.PopupAnimation.FULL);
+ }
+};
generated by cgit v1.2.3 (git 2.39.1) at 2024-11-21 15:18:27 +0000