1763 lines
57 KiB
JavaScript
1763 lines
57 KiB
JavaScript
// -*- mode: js; js-indent-level: 4; indent-tabs-mode: nil -*-
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const Clutter = imports.gi.Clutter;
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const GLib = imports.gi.GLib;
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const Gtk = imports.gi.Gtk;
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const Gio = imports.gi.Gio;
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const Lang = imports.lang;
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const Shell = imports.gi.Shell;
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const Signals = imports.signals;
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const St = imports.gi.St;
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const Atk = imports.gi.Atk;
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const BoxPointer = imports.ui.boxpointer;
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const GrabHelper = imports.ui.grabHelper;
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const Main = imports.ui.main;
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const Params = imports.misc.params;
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const Separator = imports.ui.separator;
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const Slider = imports.ui.slider;
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const Tweener = imports.ui.tweener;
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const Ornament = {
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NONE: 0,
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DOT: 1,
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CHECK: 2,
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};
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function _ensureStyle(actor) {
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if (actor.get_children) {
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let children = actor.get_children();
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for (let i = 0; i < children.length; i++)
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_ensureStyle(children[i]);
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}
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if (actor instanceof St.Widget)
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actor.ensure_style();
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}
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const PopupBaseMenuItem = new Lang.Class({
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Name: 'PopupBaseMenuItem',
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_init: function (params) {
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params = Params.parse (params, { reactive: true,
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activate: true,
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hover: true,
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sensitive: true,
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style_class: null,
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can_focus: true
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});
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this.actor = new Shell.GenericContainer({ style_class: 'popup-menu-item',
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reactive: params.reactive,
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track_hover: params.reactive,
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can_focus: params.can_focus,
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accessible_role: Atk.Role.MENU_ITEM});
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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('style-changed', Lang.bind(this, this._onStyleChanged));
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this.actor._delegate = this;
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this._children = [];
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this._ornament = Ornament.NONE;
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this._ornamentLabel = new St.Label({ style_class: 'popup-menu-ornament' });
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this.actor.add_actor(this._ornamentLabel);
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this._columnWidths = null;
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this._spacing = 0;
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this.active = false;
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this._activatable = params.reactive && params.activate;
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this.sensitive = this._activatable && params.sensitive;
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this.setSensitive(this.sensitive);
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if (!this._activatable)
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this.actor.add_style_class_name('popup-inactive-menu-item');
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if (params.style_class)
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this.actor.add_style_class_name(params.style_class);
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if (this._activatable) {
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this.actor.connect('button-release-event', Lang.bind(this, this._onButtonReleaseEvent));
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this.actor.connect('key-press-event', Lang.bind(this, this._onKeyPressEvent));
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}
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if (params.reactive && params.hover)
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this.actor.connect('notify::hover', Lang.bind(this, this._onHoverChanged));
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this.actor.connect('key-focus-in', Lang.bind(this, this._onKeyFocusIn));
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this.actor.connect('key-focus-out', Lang.bind(this, this._onKeyFocusOut));
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},
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_onStyleChanged: function (actor) {
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this._spacing = Math.round(actor.get_theme_node().get_length('spacing'));
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},
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_onButtonReleaseEvent: function (actor, event) {
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this.activate(event);
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return true;
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},
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_onKeyPressEvent: function (actor, event) {
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let symbol = event.get_key_symbol();
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if (symbol == Clutter.KEY_space || symbol == Clutter.KEY_Return) {
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this.activate(event);
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return true;
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}
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return false;
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},
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_onKeyFocusIn: function (actor) {
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this.setActive(true);
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},
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_onKeyFocusOut: function (actor) {
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this.setActive(false);
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},
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_onHoverChanged: function (actor) {
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this.setActive(actor.hover);
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},
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activate: function (event) {
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this.emit('activate', event);
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},
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setActive: function (active, params) {
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let activeChanged = active != this.active;
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params = Params.parse (params, { grabKeyboard: true });
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if (activeChanged) {
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this.active = active;
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if (active) {
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this.actor.add_style_pseudo_class('active');
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if (params.grabKeyboard)
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this.actor.grab_key_focus();
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} else
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this.actor.remove_style_pseudo_class('active');
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this.emit('active-changed', active);
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}
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},
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setSensitive: function(sensitive) {
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if (!this._activatable)
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return;
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if (this.sensitive == sensitive)
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return;
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this.sensitive = sensitive;
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this.actor.reactive = sensitive;
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this.actor.can_focus = sensitive;
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this.emit('sensitive-changed', sensitive);
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},
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destroy: function() {
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this.actor.destroy();
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this.emit('destroy');
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},
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// adds an actor to the menu item; @params can contain %span
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// (column span; defaults to 1, -1 means "all the remaining width"),
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// %expand (defaults to #false), and %align (defaults to
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// #St.Align.START)
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addActor: function(child, params) {
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params = Params.parse(params, { span: 1,
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expand: false,
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align: St.Align.START });
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params.actor = child;
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this._children.push(params);
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this.actor.connect('destroy', Lang.bind(this, function () { this._removeChild(child); }));
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this.actor.add_actor(child);
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},
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_removeChild: function(child) {
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for (let i = 0; i < this._children.length; i++) {
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if (this._children[i].actor == child) {
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this._children.splice(i, 1);
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return;
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}
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}
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},
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removeActor: function(child) {
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this.actor.remove_actor(child);
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this._removeChild(child);
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},
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setOrnament: function(ornament) {
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if (ornament == this._ornament)
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return;
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this._ornament = ornament;
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if (ornament == Ornament.DOT) {
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this._ornamentLabel.text = '\u2022';
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this.actor.add_accessible_state(Atk.StateType.CHECKED);
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} else if (ornament == Ornament.CHECK) {
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this._ornamentLabel.text = '\u2713';
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this.actor.add_accessible_state(Atk.StateType.CHECKED);
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} else if (ornament == Ornament.NONE) {
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this._ornamentLabel.text = '';
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this.actor.remove_accessible_state(Atk.StateType.CHECKED);
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}
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},
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// This returns column widths in logical order (i.e. from the dot
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// to the image), not in visual order (left to right)
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getColumnWidths: function() {
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let widths = [];
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for (let i = 0, col = 0; i < this._children.length; i++) {
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let child = this._children[i];
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let [min, natural] = child.actor.get_preferred_width(-1);
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widths[col++] = natural;
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if (child.span > 1) {
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for (let j = 1; j < child.span; j++)
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widths[col++] = 0;
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}
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}
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return widths;
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},
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setColumnWidths: function(widths) {
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this._columnWidths = widths;
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},
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_getPreferredWidth: function(actor, forHeight, alloc) {
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let width = 0;
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if (this._columnWidths) {
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for (let i = 0; i < this._columnWidths.length; i++) {
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if (i > 0)
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width += this._spacing;
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width += this._columnWidths[i];
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}
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} else {
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for (let i = 0; i < this._children.length; i++) {
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let child = this._children[i];
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if (i > 0)
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width += this._spacing;
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let [min, natural] = child.actor.get_preferred_width(-1);
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width += natural;
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}
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}
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alloc.min_size = alloc.natural_size = width;
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},
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_getPreferredHeight: function(actor, forWidth, alloc) {
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let height = 0, x = 0, minWidth, childWidth;
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for (let i = 0; i < this._children.length; i++) {
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let child = this._children[i];
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if (this._columnWidths) {
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if (child.span == -1) {
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childWidth = 0;
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for (let j = i; j < this._columnWidths.length; j++)
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childWidth += this._columnWidths[j]
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} else
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childWidth = this._columnWidths[i];
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} else {
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if (child.span == -1)
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childWidth = forWidth - x;
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else
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[minWidth, childWidth] = child.actor.get_preferred_width(-1);
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}
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x += childWidth;
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let [min, natural] = child.actor.get_preferred_height(childWidth);
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if (natural > height)
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height = natural;
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}
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alloc.min_size = alloc.natural_size = height;
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},
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_allocate: function(actor, box, flags) {
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let height = box.y2 - box.y1;
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let direction = this.actor.get_text_direction();
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// The ornament is placed outside box
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// one quarter of padding from the border of the container
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// (so 3/4 from the inner border)
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// (padding is box.x1)
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let ornamentBox = new Clutter.ActorBox();
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let ornamentWidth = box.x1;
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ornamentBox.x1 = 0;
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ornamentBox.x2 = ornamentWidth;
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ornamentBox.y1 = box.y1;
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ornamentBox.y2 = box.y2;
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if (direction == Clutter.TextDirection.RTL) {
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ornamentBox.x1 += box.x2;
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ornamentBox.x2 += box.x2;
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}
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this._ornamentLabel.allocate(ornamentBox, flags);
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let x;
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if (direction == Clutter.TextDirection.LTR)
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x = box.x1;
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else
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x = box.x2;
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// if direction is ltr, x is the right edge of the last added
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// actor, and it's constantly increasing, whereas if rtl, x is
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// the left edge and it decreases
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for (let i = 0, col = 0; i < this._children.length; i++) {
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let child = this._children[i];
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let childBox = new Clutter.ActorBox();
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let [minWidth, naturalWidth] = child.actor.get_preferred_width(-1);
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let availWidth, extraWidth;
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if (this._columnWidths) {
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if (child.span == -1) {
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if (direction == Clutter.TextDirection.LTR)
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availWidth = box.x2 - x;
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else
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availWidth = x - box.x1;
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} else {
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availWidth = 0;
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for (let j = 0; j < child.span; j++)
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availWidth += this._columnWidths[col++];
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}
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extraWidth = availWidth - naturalWidth;
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} else {
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if (child.span == -1) {
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if (direction == Clutter.TextDirection.LTR)
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availWidth = box.x2 - x;
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else
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availWidth = x - box.x1;
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} else {
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availWidth = naturalWidth;
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}
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extraWidth = 0;
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}
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if (direction == Clutter.TextDirection.LTR) {
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if (child.expand) {
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childBox.x1 = x;
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childBox.x2 = x + availWidth;
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} else if (child.align === St.Align.MIDDLE) {
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childBox.x1 = x + Math.round(extraWidth / 2);
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childBox.x2 = childBox.x1 + naturalWidth;
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} else if (child.align === St.Align.END) {
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childBox.x2 = x + availWidth;
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childBox.x1 = childBox.x2 - naturalWidth;
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} else {
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childBox.x1 = x;
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childBox.x2 = x + naturalWidth;
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}
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} else {
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if (child.expand) {
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childBox.x1 = x - availWidth;
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childBox.x2 = x;
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} else if (child.align === St.Align.MIDDLE) {
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childBox.x1 = x - Math.round(extraWidth / 2);
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childBox.x2 = childBox.x1 + naturalWidth;
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} else if (child.align === St.Align.END) {
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// align to the left
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childBox.x1 = x - availWidth;
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childBox.x2 = childBox.x1 + naturalWidth;
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} else {
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// align to the right
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childBox.x2 = x;
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childBox.x1 = x - naturalWidth;
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}
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}
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let [minHeight, naturalHeight] = child.actor.get_preferred_height(childBox.x2 - childBox.x1);
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childBox.y1 = Math.round(box.y1 + (height - naturalHeight) / 2);
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childBox.y2 = childBox.y1 + naturalHeight;
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child.actor.allocate(childBox, flags);
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if (direction == Clutter.TextDirection.LTR)
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x += availWidth + this._spacing;
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else
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x -= availWidth + this._spacing;
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}
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}
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});
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Signals.addSignalMethods(PopupBaseMenuItem.prototype);
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const PopupMenuItem = new Lang.Class({
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Name: 'PopupMenuItem',
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Extends: PopupBaseMenuItem,
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_init: function (text, params) {
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this.parent(params);
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this.label = new St.Label({ text: text });
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this.addActor(this.label);
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this.actor.label_actor = this.label
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}
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});
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const PopupSeparatorMenuItem = new Lang.Class({
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Name: 'PopupSeparatorMenuItem',
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Extends: PopupBaseMenuItem,
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_init: function (text) {
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this.parent({ reactive: false,
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can_focus: false});
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this._box = new St.BoxLayout();
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this.addActor(this._box, { span: -1, expand: true });
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this.label = new St.Label({ text: text || '' });
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this._box.add(this.label);
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this.actor.label_actor = this.label;
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this._separator = new Separator.HorizontalSeparator({ style_class: 'popup-separator-menu-item' });
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this._box.add(this._separator.actor, { expand: true });
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}
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});
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const PopupAlternatingMenuItemState = {
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DEFAULT: 0,
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ALTERNATIVE: 1
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}
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const PopupAlternatingMenuItem = new Lang.Class({
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Name: 'PopupAlternatingMenuItem',
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Extends: PopupBaseMenuItem,
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_init: function(text, alternateText, params) {
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this.parent(params);
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this.actor.add_style_class_name('popup-alternating-menu-item');
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this._text = text;
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this._alternateText = alternateText;
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this.label = new St.Label({ text: text });
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this.state = PopupAlternatingMenuItemState.DEFAULT;
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this.addActor(this.label);
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this.actor.label_actor = this.label;
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this.actor.connect('notify::mapped', Lang.bind(this, this._onMapped));
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},
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_onMapped: function() {
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if (this.actor.mapped) {
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this._capturedEventId = global.stage.connect('captured-event',
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Lang.bind(this, this._onCapturedEvent));
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this._updateStateFromModifiers();
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} else {
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if (this._capturedEventId != 0) {
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global.stage.disconnect(this._capturedEventId);
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this._capturedEventId = 0;
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}
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}
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},
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_setState: function(state) {
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if (this.state != state) {
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if (state == PopupAlternatingMenuItemState.ALTERNATIVE && !this._canAlternate())
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return;
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this.state = state;
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this._updateLabel();
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}
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},
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_updateStateFromModifiers: function() {
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let [x, y, mods] = global.get_pointer();
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let state;
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if ((mods & Clutter.ModifierType.MOD1_MASK) == 0) {
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state = PopupAlternatingMenuItemState.DEFAULT;
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} else {
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state = PopupAlternatingMenuItemState.ALTERNATIVE;
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}
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this._setState(state);
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},
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_onCapturedEvent: function(actor, event) {
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if (event.type() != Clutter.EventType.KEY_PRESS &&
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event.type() != Clutter.EventType.KEY_RELEASE)
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return false;
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let key = event.get_key_symbol();
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if (key == Clutter.KEY_Alt_L || key == Clutter.KEY_Alt_R)
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this._updateStateFromModifiers();
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return false;
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},
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_updateLabel: function() {
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if (this.state == PopupAlternatingMenuItemState.ALTERNATIVE) {
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this.actor.add_style_pseudo_class('alternate');
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this.label.set_text(this._alternateText);
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} else {
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this.actor.remove_style_pseudo_class('alternate');
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this.label.set_text(this._text);
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}
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},
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_canAlternate: function() {
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if (this.state == PopupAlternatingMenuItemState.DEFAULT && !this._alternateText)
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return false;
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return true;
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},
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updateText: function(text, alternateText) {
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this._text = text;
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this._alternateText = alternateText;
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if (!this._canAlternate())
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this._setState(PopupAlternatingMenuItemState.DEFAULT);
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this._updateLabel();
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}
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});
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const PopupSliderMenuItem = new Lang.Class({
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Name: 'PopupSliderMenuItem',
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Extends: PopupBaseMenuItem,
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_init: function(value) {
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this.parent({ activate: false });
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this._slider = new Slider.Slider(value);
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this._slider.connect('value-changed', Lang.bind(this, function(actor, value) {
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this.emit('value-changed', value);
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}));
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this.addActor(this._slider.actor);
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},
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setValue: function(value) {
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this._slider.setValue(value);
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},
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|
get value() {
|
|
return this._slider.value;
|
|
},
|
|
|
|
scroll: function (event) {
|
|
this._slider.scroll(event);
|
|
}
|
|
});
|
|
|
|
const Switch = new Lang.Class({
|
|
Name: 'Switch',
|
|
|
|
_init: function(state) {
|
|
this.actor = new St.Bin({ style_class: 'toggle-switch',
|
|
accessible_role: Atk.Role.CHECK_BOX,
|
|
can_focus: true });
|
|
// Translators: this MUST be either "toggle-switch-us"
|
|
// (for toggle switches containing the English words
|
|
// "ON" and "OFF") or "toggle-switch-intl" (for toggle
|
|
// switches containing "◯" and "|"). Other values will
|
|
// simply result in invisible toggle switches.
|
|
this.actor.add_style_class_name(_("toggle-switch-us"));
|
|
this.setToggleState(state);
|
|
},
|
|
|
|
setToggleState: function(state) {
|
|
if (state)
|
|
this.actor.add_style_pseudo_class('checked');
|
|
else
|
|
this.actor.remove_style_pseudo_class('checked');
|
|
this.state = state;
|
|
},
|
|
|
|
toggle: function() {
|
|
this.setToggleState(!this.state);
|
|
}
|
|
});
|
|
|
|
const PopupSwitchMenuItem = new Lang.Class({
|
|
Name: 'PopupSwitchMenuItem',
|
|
Extends: PopupBaseMenuItem,
|
|
|
|
_init: function(text, active, params) {
|
|
this.parent(params);
|
|
|
|
this.label = new St.Label({ text: text });
|
|
this._switch = new Switch(active);
|
|
|
|
this.actor.accessible_role = Atk.Role.CHECK_MENU_ITEM;
|
|
this.checkAccessibleState();
|
|
this.actor.label_actor = this.label;
|
|
|
|
this.addActor(this.label);
|
|
|
|
this._statusBin = new St.Bin({ x_align: St.Align.END });
|
|
this.addActor(this._statusBin,
|
|
{ expand: true, span: -1, align: St.Align.END });
|
|
|
|
this._statusLabel = new St.Label({ text: '',
|
|
style_class: 'popup-status-menu-item'
|
|
});
|
|
this._statusBin.child = this._switch.actor;
|
|
},
|
|
|
|
setStatus: function(text) {
|
|
if (text != null) {
|
|
this._statusLabel.text = text;
|
|
this._statusBin.child = this._statusLabel;
|
|
this.actor.reactive = false;
|
|
this.actor.accessible_role = Atk.Role.MENU_ITEM;
|
|
} else {
|
|
this._statusBin.child = this._switch.actor;
|
|
this.actor.reactive = true;
|
|
this.actor.accessible_role = Atk.Role.CHECK_MENU_ITEM;
|
|
}
|
|
this.checkAccessibleState();
|
|
},
|
|
|
|
activate: function(event) {
|
|
if (this._switch.actor.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;
|
|
|
|
this.parent(event);
|
|
},
|
|
|
|
toggle: function() {
|
|
this._switch.toggle();
|
|
this.emit('toggled', this._switch.state);
|
|
this.checkAccessibleState();
|
|
},
|
|
|
|
get state() {
|
|
return this._switch.state;
|
|
},
|
|
|
|
setToggleState: function(state) {
|
|
this._switch.setToggleState(state);
|
|
this.checkAccessibleState();
|
|
},
|
|
|
|
checkAccessibleState: function() {
|
|
switch (this.actor.accessible_role) {
|
|
case Atk.Role.CHECK_MENU_ITEM:
|
|
if (this._switch.state)
|
|
this.actor.add_accessible_state (Atk.StateType.CHECKED);
|
|
else
|
|
this.actor.remove_accessible_state (Atk.StateType.CHECKED);
|
|
break;
|
|
default:
|
|
this.actor.remove_accessible_state (Atk.StateType.CHECKED);
|
|
}
|
|
}
|
|
});
|
|
|
|
const PopupImageMenuItem = new Lang.Class({
|
|
Name: 'PopupImageMenuItem',
|
|
Extends: PopupBaseMenuItem,
|
|
|
|
_init: function (text, iconName, params) {
|
|
this.parent(params);
|
|
|
|
this.label = new St.Label({ text: text });
|
|
this.addActor(this.label);
|
|
this._icon = new St.Icon({ style_class: 'popup-menu-icon' });
|
|
this.addActor(this._icon, { align: St.Align.END });
|
|
|
|
this.setIcon(iconName);
|
|
},
|
|
|
|
setIcon: function(name) {
|
|
this._icon.icon_name = name;
|
|
}
|
|
});
|
|
|
|
const PopupMenuBase = new Lang.Class({
|
|
Name: 'PopupMenuBase',
|
|
Abstract: true,
|
|
|
|
_init: function(sourceActor, styleClass) {
|
|
this.sourceActor = sourceActor;
|
|
|
|
if (styleClass !== undefined) {
|
|
this.box = new St.BoxLayout({ style_class: styleClass,
|
|
vertical: true });
|
|
} else {
|
|
this.box = new St.BoxLayout({ vertical: true });
|
|
}
|
|
this.box.connect_after('queue-relayout', Lang.bind(this, this._menuQueueRelayout));
|
|
this.length = 0;
|
|
|
|
this.isOpen = false;
|
|
|
|
// If set, we don't send events (including crossing events) to the source actor
|
|
// for the menu which causes its prelight state to freeze
|
|
this.blockSourceEvents = false;
|
|
|
|
this._activeMenuItem = null;
|
|
this._settingsActions = { };
|
|
|
|
this._sessionUpdatedId = Main.sessionMode.connect('updated', Lang.bind(this, this._sessionUpdated));
|
|
},
|
|
|
|
_sessionUpdated: function() {
|
|
this._setSettingsVisibility(Main.sessionMode.allowSettings);
|
|
},
|
|
|
|
addAction: function(title, callback) {
|
|
let menuItem = new PopupMenuItem(title);
|
|
this.addMenuItem(menuItem);
|
|
menuItem.connect('activate', Lang.bind(this, function (menuItem, event) {
|
|
callback(event);
|
|
}));
|
|
|
|
return menuItem;
|
|
},
|
|
|
|
addSettingsAction: function(title, desktopFile) {
|
|
let menuItem = this.addAction(title, function() {
|
|
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();
|
|
app.activate();
|
|
});
|
|
|
|
menuItem.actor.visible = Main.sessionMode.allowSettings;
|
|
this._settingsActions[desktopFile] = menuItem;
|
|
|
|
return menuItem;
|
|
},
|
|
|
|
_setSettingsVisibility: function(visible) {
|
|
for (let id in this._settingsActions) {
|
|
let item = this._settingsActions[id];
|
|
item.actor.visible = visible;
|
|
}
|
|
},
|
|
|
|
isEmpty: function() {
|
|
let hasVisibleChildren = this.box.get_children().some(function(child) {
|
|
return child.visible;
|
|
});
|
|
|
|
return !hasVisibleChildren;
|
|
},
|
|
|
|
isChildMenu: function() {
|
|
return false;
|
|
},
|
|
|
|
/**
|
|
* _connectSubMenuSignals:
|
|
* @object: a menu item, or a menu section
|
|
* @menu: a sub menu, or a menu section
|
|
*
|
|
* Connects to signals on @menu that are necessary for
|
|
* operating the submenu, and stores the ids on @object.
|
|
*/
|
|
_connectSubMenuSignals: function(object, menu) {
|
|
object._subMenuActivateId = menu.connect('activate', Lang.bind(this, function() {
|
|
this.emit('activate');
|
|
this.close(BoxPointer.PopupAnimation.FULL);
|
|
}));
|
|
object._subMenuActiveChangeId = menu.connect('active-changed', Lang.bind(this, function(submenu, submenuItem) {
|
|
if (this._activeMenuItem && this._activeMenuItem != submenuItem)
|
|
this._activeMenuItem.setActive(false);
|
|
this._activeMenuItem = submenuItem;
|
|
this.emit('active-changed', submenuItem);
|
|
}));
|
|
},
|
|
|
|
_connectItemSignals: function(menuItem) {
|
|
menuItem._activeChangeId = menuItem.connect('active-changed', Lang.bind(this, function (menuItem, active) {
|
|
if (active && this._activeMenuItem != menuItem) {
|
|
if (this._activeMenuItem)
|
|
this._activeMenuItem.setActive(false);
|
|
this._activeMenuItem = menuItem;
|
|
this.emit('active-changed', menuItem);
|
|
} else if (!active && this._activeMenuItem == menuItem) {
|
|
this._activeMenuItem = null;
|
|
this.emit('active-changed', null);
|
|
}
|
|
}));
|
|
menuItem._sensitiveChangeId = menuItem.connect('sensitive-changed', Lang.bind(this, function(menuItem, sensitive) {
|
|
if (!sensitive && this._activeMenuItem == menuItem) {
|
|
if (!this.actor.navigate_focus(menuItem.actor,
|
|
Gtk.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();
|
|
}
|
|
}));
|
|
menuItem._activateId = menuItem.connect('activate', Lang.bind(this, function (menuItem, event) {
|
|
this.emit('activate', menuItem);
|
|
this.close(BoxPointer.PopupAnimation.FULL);
|
|
}));
|
|
// the weird name is to avoid a conflict with some random property
|
|
// the menuItem may have, called destroyId
|
|
// (FIXME: in the future it may make sense to have container objects
|
|
// like PopupMenuManager does)
|
|
menuItem._popupMenuDestroyId = menuItem.connect('destroy', Lang.bind(this, function(menuItem) {
|
|
menuItem.disconnect(menuItem._popupMenuDestroyId);
|
|
menuItem.disconnect(menuItem._activateId);
|
|
menuItem.disconnect(menuItem._activeChangeId);
|
|
menuItem.disconnect(menuItem._sensitiveChangeId);
|
|
if (menuItem.menu) {
|
|
menuItem.menu.disconnect(menuItem._subMenuActivateId);
|
|
menuItem.menu.disconnect(menuItem._subMenuActiveChangeId);
|
|
this.disconnect(menuItem._closingId);
|
|
}
|
|
if (menuItem == this._activeMenuItem)
|
|
this._activeMenuItem = null;
|
|
}));
|
|
},
|
|
|
|
_updateSeparatorVisibility: function(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 && !children[childBeforeIndex].visible)
|
|
childBeforeIndex--;
|
|
|
|
if (childBeforeIndex < 0
|
|
|| children[childBeforeIndex]._delegate instanceof PopupSeparatorMenuItem) {
|
|
menuItem.actor.hide();
|
|
return;
|
|
}
|
|
|
|
let childAfterIndex = index + 1;
|
|
|
|
while (childAfterIndex < children.length && !children[childAfterIndex].visible)
|
|
childAfterIndex++;
|
|
|
|
if (childAfterIndex >= children.length
|
|
|| children[childAfterIndex]._delegate instanceof PopupSeparatorMenuItem) {
|
|
menuItem.actor.hide();
|
|
return;
|
|
}
|
|
|
|
menuItem.actor.show();
|
|
},
|
|
|
|
addMenuItem: function(menuItem, position) {
|
|
let before_item = null;
|
|
if (position == undefined) {
|
|
this.box.add(menuItem.actor);
|
|
} else {
|
|
let items = this._getMenuItems();
|
|
if (position < items.length) {
|
|
before_item = items[position].actor;
|
|
this.box.insert_child_below(menuItem.actor, before_item);
|
|
} else {
|
|
this.box.add(menuItem.actor);
|
|
}
|
|
}
|
|
|
|
if (menuItem instanceof PopupMenuSection) {
|
|
this._connectSubMenuSignals(menuItem, menuItem);
|
|
menuItem._parentOpenStateChangedId = this.connect('open-state-changed',
|
|
function(self, open) {
|
|
if (open)
|
|
menuItem.open();
|
|
else
|
|
menuItem.close();
|
|
});
|
|
menuItem.connect('destroy', Lang.bind(this, function() {
|
|
menuItem.disconnect(menuItem._subMenuActivateId);
|
|
menuItem.disconnect(menuItem._subMenuActiveChangeId);
|
|
this.disconnect(menuItem._parentOpenStateChangedId);
|
|
|
|
this.length--;
|
|
}));
|
|
} else if (menuItem instanceof PopupSubMenuMenuItem) {
|
|
if (before_item == null)
|
|
this.box.add(menuItem.menu.actor);
|
|
else
|
|
this.box.insert_child_below(menuItem.menu.actor, before_item);
|
|
this._connectSubMenuSignals(menuItem, menuItem.menu);
|
|
this._connectItemSignals(menuItem);
|
|
menuItem._closingId = this.connect('open-state-changed', function(self, open) {
|
|
if (!open)
|
|
menuItem.menu.close(BoxPointer.PopupAnimation.FADE);
|
|
});
|
|
} 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.connect('open-state-changed', Lang.bind(this, function() { this._updateSeparatorVisibility(menuItem); }));
|
|
} else if (menuItem instanceof PopupBaseMenuItem)
|
|
this._connectItemSignals(menuItem);
|
|
else
|
|
throw TypeError("Invalid argument to PopupMenuBase.addMenuItem()");
|
|
|
|
this.length++;
|
|
},
|
|
|
|
getColumnWidths: function() {
|
|
let columnWidths = [];
|
|
let items = this.box.get_children();
|
|
for (let i = 0; i < items.length; i++) {
|
|
if (!items[i].visible &&
|
|
!(items[i]._delegate instanceof PopupSubMenu && items[i-1].visible))
|
|
continue;
|
|
if (items[i]._delegate instanceof PopupBaseMenuItem || items[i]._delegate instanceof PopupMenuBase) {
|
|
let itemColumnWidths = items[i]._delegate.getColumnWidths();
|
|
for (let j = 0; j < itemColumnWidths.length; j++) {
|
|
if (j >= columnWidths.length || itemColumnWidths[j] > columnWidths[j])
|
|
columnWidths[j] = itemColumnWidths[j];
|
|
}
|
|
}
|
|
}
|
|
return columnWidths;
|
|
},
|
|
|
|
setColumnWidths: function(widths) {
|
|
let items = this.box.get_children();
|
|
for (let i = 0; i < items.length; i++) {
|
|
if (items[i]._delegate instanceof PopupBaseMenuItem || items[i]._delegate instanceof PopupMenuBase)
|
|
items[i]._delegate.setColumnWidths(widths);
|
|
}
|
|
},
|
|
|
|
// Because of the above column-width funniness, we need to do a
|
|
// queue-relayout on every item whenever the menu itself changes
|
|
// size, to force clutter to drop its cached size requests. (The
|
|
// menuitems will in turn call queue_relayout on their parent, the
|
|
// menu, but that call will be a no-op since the menu already
|
|
// has a relayout queued, so we won't get stuck in a loop.
|
|
_menuQueueRelayout: function() {
|
|
this.box.get_children().map(function (actor) { actor.queue_relayout(); });
|
|
},
|
|
|
|
addActor: function(actor) {
|
|
this.box.add(actor);
|
|
},
|
|
|
|
_getMenuItems: function() {
|
|
return this.box.get_children().map(function (actor) {
|
|
return actor._delegate;
|
|
}).filter(function(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: function() {
|
|
let children = this._getMenuItems();
|
|
for (let i = 0; i < children.length; i++) {
|
|
let item = children[i];
|
|
item.destroy();
|
|
}
|
|
},
|
|
|
|
toggle: function() {
|
|
if (this.isOpen)
|
|
this.close(BoxPointer.PopupAnimation.FULL);
|
|
else
|
|
this.open(BoxPointer.PopupAnimation.FULL);
|
|
},
|
|
|
|
destroy: function() {
|
|
this.close();
|
|
this.removeAll();
|
|
this.actor.destroy();
|
|
|
|
this.emit('destroy');
|
|
|
|
Main.sessionMode.disconnect(this._sessionUpdatedId);
|
|
this._sessionUpdatedId = 0;
|
|
}
|
|
});
|
|
Signals.addSignalMethods(PopupMenuBase.prototype);
|
|
|
|
const PopupMenu = new Lang.Class({
|
|
Name: 'PopupMenu',
|
|
Extends: PopupMenuBase,
|
|
|
|
_init: function(sourceActor, arrowAlignment, arrowSide) {
|
|
this.parent(sourceActor, 'popup-menu-content');
|
|
|
|
this._arrowAlignment = arrowAlignment;
|
|
this._arrowSide = arrowSide;
|
|
|
|
this._boxPointer = new BoxPointer.BoxPointer(arrowSide,
|
|
{ x_fill: true,
|
|
y_fill: true,
|
|
x_align: St.Align.START });
|
|
this.actor = this._boxPointer.actor;
|
|
this.actor._delegate = this;
|
|
this.actor.style_class = 'popup-menu-boxpointer';
|
|
|
|
this._boxWrapper = new Shell.GenericContainer();
|
|
this._boxWrapper.connect('get-preferred-width', Lang.bind(this, this._boxGetPreferredWidth));
|
|
this._boxWrapper.connect('get-preferred-height', Lang.bind(this, this._boxGetPreferredHeight));
|
|
this._boxWrapper.connect('allocate', Lang.bind(this, this._boxAllocate));
|
|
this._boxPointer.bin.set_child(this._boxWrapper);
|
|
this._boxWrapper.add_actor(this.box);
|
|
this.actor.add_style_class_name('popup-menu');
|
|
|
|
global.focus_manager.add_group(this.actor);
|
|
this.actor.reactive = true;
|
|
|
|
this._childMenus = [];
|
|
},
|
|
|
|
_boxGetPreferredWidth: function (actor, forHeight, alloc) {
|
|
let columnWidths = this.getColumnWidths();
|
|
this.setColumnWidths(columnWidths);
|
|
|
|
// Now they will request the right sizes
|
|
[alloc.min_size, alloc.natural_size] = this.box.get_preferred_width(forHeight);
|
|
},
|
|
|
|
_boxGetPreferredHeight: function (actor, forWidth, alloc) {
|
|
[alloc.min_size, alloc.natural_size] = this.box.get_preferred_height(forWidth);
|
|
},
|
|
|
|
_boxAllocate: function (actor, box, flags) {
|
|
this.box.allocate(box, flags);
|
|
},
|
|
|
|
setArrowOrigin: function(origin) {
|
|
this._boxPointer.setArrowOrigin(origin);
|
|
},
|
|
|
|
setSourceAlignment: function(alignment) {
|
|
this._boxPointer.setSourceAlignment(alignment);
|
|
},
|
|
|
|
isChildMenu: function(menu) {
|
|
return this._childMenus.indexOf(menu) != -1;
|
|
},
|
|
|
|
addChildMenu: function(menu) {
|
|
if (this.isChildMenu(menu))
|
|
return;
|
|
|
|
this._childMenus.push(menu);
|
|
this.emit('child-menu-added', menu);
|
|
},
|
|
|
|
removeChildMenu: function(menu) {
|
|
let index = this._childMenus.indexOf(menu);
|
|
|
|
if (index == -1)
|
|
return;
|
|
|
|
this._childMenus.splice(index, 1);
|
|
this.emit('child-menu-removed', menu);
|
|
},
|
|
|
|
open: function(animate) {
|
|
if (this.isOpen)
|
|
return;
|
|
|
|
if (this.isEmpty())
|
|
return;
|
|
|
|
this.isOpen = true;
|
|
|
|
this._boxPointer.setPosition(this.sourceActor, this._arrowAlignment);
|
|
this._boxPointer.show(animate);
|
|
|
|
this.actor.raise_top();
|
|
|
|
this.emit('open-state-changed', true);
|
|
},
|
|
|
|
close: function(animate) {
|
|
if (this._activeMenuItem)
|
|
this._activeMenuItem.setActive(false);
|
|
|
|
this._childMenus.forEach(function(childMenu) {
|
|
childMenu.close();
|
|
});
|
|
|
|
if (this._boxPointer.actor.visible)
|
|
this._boxPointer.hide(animate);
|
|
|
|
if (!this.isOpen)
|
|
return;
|
|
|
|
this.isOpen = false;
|
|
this.emit('open-state-changed', false);
|
|
}
|
|
});
|
|
|
|
const PopupDummyMenu = new Lang.Class({
|
|
Name: 'PopupDummyMenu',
|
|
|
|
_init: function(sourceActor) {
|
|
this.sourceActor = sourceActor;
|
|
this.actor = sourceActor;
|
|
this.actor._delegate = this;
|
|
},
|
|
|
|
isChildMenu: function() {
|
|
return false;
|
|
},
|
|
|
|
open: function() { this.emit('open-state-changed', true); },
|
|
close: function() { this.emit('open-state-changed', false); },
|
|
toggle: function() {},
|
|
destroy: function() {
|
|
this.emit('destroy');
|
|
},
|
|
});
|
|
Signals.addSignalMethods(PopupDummyMenu.prototype);
|
|
|
|
const PopupSubMenu = new Lang.Class({
|
|
Name: 'PopupSubMenu',
|
|
Extends: PopupMenuBase,
|
|
|
|
_init: function(sourceActor, sourceArrow) {
|
|
this.parent(sourceActor);
|
|
|
|
this._arrow = sourceArrow;
|
|
this._arrow.rotation_center_z_gravity = Clutter.Gravity.CENTER;
|
|
|
|
// 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: Gtk.PolicyType.NEVER,
|
|
vscrollbar_policy: Gtk.PolicyType.NEVER });
|
|
|
|
this.actor.add_actor(this.box);
|
|
this.actor._delegate = this;
|
|
this.actor.clip_to_allocation = true;
|
|
this.actor.connect('key-press-event', Lang.bind(this, this._onKeyPressEvent));
|
|
this.actor.hide();
|
|
},
|
|
|
|
_getTopMenu: function() {
|
|
let actor = this.actor.get_parent();
|
|
while (actor) {
|
|
if (actor._delegate && actor._delegate instanceof PopupMenu)
|
|
return actor._delegate;
|
|
|
|
actor = actor.get_parent();
|
|
}
|
|
|
|
return null;
|
|
},
|
|
|
|
_needsScrollbar: function() {
|
|
let topMenu = this._getTopMenu();
|
|
let [topMinHeight, 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;
|
|
},
|
|
|
|
open: function(animate) {
|
|
if (this.isOpen)
|
|
return;
|
|
|
|
if (this.isEmpty())
|
|
return;
|
|
|
|
this.isOpen = 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 ? Gtk.PolicyType.AUTOMATIC : Gtk.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;
|
|
|
|
if (animate) {
|
|
let [minHeight, naturalHeight] = this.actor.get_preferred_height(-1);
|
|
this.actor.height = 0;
|
|
this.actor._arrow_rotation = this._arrow.rotation_angle_z;
|
|
Tweener.addTween(this.actor,
|
|
{ _arrow_rotation: 90,
|
|
height: naturalHeight,
|
|
time: 0.25,
|
|
onUpdateScope: this,
|
|
onUpdate: function() {
|
|
this._arrow.rotation_angle_z = this.actor._arrow_rotation;
|
|
},
|
|
onCompleteScope: this,
|
|
onComplete: function() {
|
|
this.actor.set_height(-1);
|
|
this.emit('open-state-changed', true);
|
|
}
|
|
});
|
|
} else {
|
|
this._arrow.rotation_angle_z = 90;
|
|
this.emit('open-state-changed', true);
|
|
}
|
|
},
|
|
|
|
close: function(animate) {
|
|
if (!this.isOpen)
|
|
return;
|
|
|
|
this.isOpen = false;
|
|
|
|
if (this._activeMenuItem)
|
|
this._activeMenuItem.setActive(false);
|
|
|
|
if (animate && this._needsScrollbar())
|
|
animate = false;
|
|
|
|
if (animate) {
|
|
this.actor._arrow_rotation = this._arrow.rotation_angle_z;
|
|
Tweener.addTween(this.actor,
|
|
{ _arrow_rotation: 0,
|
|
height: 0,
|
|
time: 0.25,
|
|
onCompleteScope: this,
|
|
onComplete: function() {
|
|
this.actor.hide();
|
|
this.actor.set_height(-1);
|
|
|
|
this.emit('open-state-changed', false);
|
|
},
|
|
onUpdateScope: this,
|
|
onUpdate: function() {
|
|
this._arrow.rotation_angle_z = this.actor._arrow_rotation;
|
|
}
|
|
});
|
|
} else {
|
|
this._arrow.rotation_angle_z = 0;
|
|
this.actor.hide();
|
|
|
|
this.isOpen = false;
|
|
this.emit('open-state-changed', false);
|
|
}
|
|
},
|
|
|
|
_onKeyPressEvent: function(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.setActive(true);
|
|
return true;
|
|
}
|
|
|
|
return false;
|
|
}
|
|
});
|
|
|
|
/**
|
|
* 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
|
|
*/
|
|
const PopupMenuSection = new Lang.Class({
|
|
Name: 'PopupMenuSection',
|
|
Extends: PopupMenuBase,
|
|
|
|
_init: function() {
|
|
this.parent();
|
|
|
|
this.actor = this.box;
|
|
this.actor._delegate = this;
|
|
this.isOpen = true;
|
|
},
|
|
|
|
// deliberately ignore any attempt to open() or close(), but emit the
|
|
// corresponding signal so children can still pick it up
|
|
open: function() { this.emit('open-state-changed', true); },
|
|
close: function() { this.emit('open-state-changed', false); },
|
|
});
|
|
|
|
const PopupSubMenuMenuItem = new Lang.Class({
|
|
Name: 'PopupSubMenuMenuItem',
|
|
Extends: PopupBaseMenuItem,
|
|
|
|
_init: function(text) {
|
|
this.parent();
|
|
|
|
this.actor.add_style_class_name('popup-submenu-menu-item');
|
|
|
|
this.label = new St.Label({ text: text });
|
|
this.addActor(this.label);
|
|
this.actor.label_actor = this.label;
|
|
this._triangle = new St.Label({ text: '\u25B8' });
|
|
this.addActor(this._triangle, { align: St.Align.END });
|
|
|
|
this.menu = new PopupSubMenu(this.actor, this._triangle);
|
|
this.menu.connect('open-state-changed', Lang.bind(this, this._subMenuOpenStateChanged));
|
|
},
|
|
|
|
_subMenuOpenStateChanged: function(menu, open) {
|
|
if (open)
|
|
this.actor.add_style_pseudo_class('open');
|
|
else
|
|
this.actor.remove_style_pseudo_class('open');
|
|
},
|
|
|
|
destroy: function() {
|
|
this.menu.destroy();
|
|
|
|
this.parent();
|
|
},
|
|
|
|
setSubmenuShown: function(open) {
|
|
if (open)
|
|
this.menu.open(BoxPointer.PopupAnimation.FULL);
|
|
else
|
|
this.menu.close(BoxPointer.PopupAnimation.FULL);
|
|
},
|
|
|
|
_setOpenState: function(open) {
|
|
this.setSubmenuShown(open);
|
|
},
|
|
|
|
_getOpenState: function() {
|
|
return this.menu.isOpen;
|
|
},
|
|
|
|
_onKeyPressEvent: function(actor, event) {
|
|
let symbol = event.get_key_symbol();
|
|
|
|
if (symbol == Clutter.KEY_Right) {
|
|
this._setOpenState(true);
|
|
this.menu.actor.navigate_focus(null, Gtk.DirectionType.DOWN, false);
|
|
return true;
|
|
} else if (symbol == Clutter.KEY_Left && this._getOpenState()) {
|
|
this._setOpenState(false);
|
|
return true;
|
|
}
|
|
|
|
return this.parent(actor, event);
|
|
},
|
|
|
|
activate: function(event) {
|
|
this._setOpenState(true);
|
|
},
|
|
|
|
_onButtonReleaseEvent: function(actor) {
|
|
this._setOpenState(!this._getOpenState());
|
|
}
|
|
});
|
|
|
|
const PopupComboMenu = new Lang.Class({
|
|
Name: 'PopupComboMenu',
|
|
Extends: PopupMenuBase,
|
|
|
|
_init: function(sourceActor) {
|
|
this.parent(sourceActor, 'popup-combo-menu');
|
|
|
|
this.actor = this.box;
|
|
this.actor._delegate = this;
|
|
this.actor.connect('key-focus-in', Lang.bind(this, this._onKeyFocusIn));
|
|
sourceActor.connect('style-changed',
|
|
Lang.bind(this, this._onSourceActorStyleChanged));
|
|
this._activeItemPos = -1;
|
|
global.focus_manager.add_group(this.actor);
|
|
},
|
|
|
|
_onKeyFocusIn: function(actor) {
|
|
let items = this._getMenuItems();
|
|
let activeItem = items[this._activeItemPos];
|
|
activeItem.actor.grab_key_focus();
|
|
},
|
|
|
|
_onSourceActorStyleChanged: function() {
|
|
// PopupComboBoxMenuItem clones the active item's actors
|
|
// to work with arbitrary items in the menu; this means
|
|
// that we need to propagate some style information and
|
|
// enforce style updates even when the menu is closed
|
|
let activeItem = this._getMenuItems()[this._activeItemPos];
|
|
if (this.sourceActor.has_style_pseudo_class('insensitive'))
|
|
activeItem.actor.add_style_pseudo_class('insensitive');
|
|
else
|
|
activeItem.actor.remove_style_pseudo_class('insensitive');
|
|
|
|
// To propagate the :active style, we need to make sure that the
|
|
// internal state of the PopupComboMenu is updated as well, but
|
|
// we must not move the keyboard grab
|
|
activeItem.setActive(this.sourceActor.has_style_pseudo_class('active'),
|
|
{ grabKeyboard: false });
|
|
|
|
_ensureStyle(this.actor);
|
|
},
|
|
|
|
open: function() {
|
|
if (this.isOpen)
|
|
return;
|
|
|
|
if (this.isEmpty())
|
|
return;
|
|
|
|
this.isOpen = true;
|
|
|
|
let [sourceX, sourceY] = this.sourceActor.get_transformed_position();
|
|
let items = this._getMenuItems();
|
|
let activeItem = items[this._activeItemPos];
|
|
|
|
this.actor.set_position(sourceX, sourceY - activeItem.actor.y);
|
|
this.actor.width = Math.max(this.actor.width, this.sourceActor.width);
|
|
this.actor.raise_top();
|
|
|
|
this.actor.opacity = 0;
|
|
this.actor.show();
|
|
|
|
Tweener.addTween(this.actor,
|
|
{ opacity: 255,
|
|
transition: 'linear',
|
|
time: BoxPointer.POPUP_ANIMATION_TIME });
|
|
|
|
this.emit('open-state-changed', true);
|
|
},
|
|
|
|
close: function() {
|
|
if (!this.isOpen)
|
|
return;
|
|
|
|
this.isOpen = false;
|
|
Tweener.addTween(this.actor,
|
|
{ opacity: 0,
|
|
transition: 'linear',
|
|
time: BoxPointer.POPUP_ANIMATION_TIME,
|
|
onComplete: Lang.bind(this,
|
|
function() {
|
|
this.actor.hide();
|
|
})
|
|
});
|
|
|
|
this.emit('open-state-changed', false);
|
|
},
|
|
|
|
setActiveItem: function(position) {
|
|
this._activeItemPos = position;
|
|
},
|
|
|
|
getActiveItem: function() {
|
|
return this._getMenuItems()[this._activeItemPos];
|
|
},
|
|
|
|
setItemVisible: function(position, visible) {
|
|
if (!visible && position == this._activeItemPos) {
|
|
log('Trying to hide the active menu item.');
|
|
return;
|
|
}
|
|
|
|
this._getMenuItems()[position].actor.visible = visible;
|
|
},
|
|
|
|
getItemVisible: function(position) {
|
|
return this._getMenuItems()[position].actor.visible;
|
|
}
|
|
});
|
|
|
|
const PopupComboBoxMenuItem = new Lang.Class({
|
|
Name: 'PopupComboBoxMenuItem',
|
|
Extends: PopupBaseMenuItem,
|
|
|
|
_init: function (params) {
|
|
this.parent(params);
|
|
|
|
this.actor.accessible_role = Atk.Role.COMBO_BOX;
|
|
|
|
this._itemBox = new Shell.Stack();
|
|
this.addActor(this._itemBox);
|
|
|
|
let expander = new St.Label({ text: '\u2304' });
|
|
this.addActor(expander, { align: St.Align.END,
|
|
span: -1 });
|
|
|
|
this._menu = new PopupComboMenu(this.actor);
|
|
Main.uiGroup.add_actor(this._menu.actor);
|
|
this._menu.actor.hide();
|
|
|
|
if (params.style_class)
|
|
this._menu.actor.add_style_class_name(params.style_class);
|
|
|
|
this.actor.connect('scroll-event', Lang.bind(this, this._onScrollEvent));
|
|
|
|
this._activeItemPos = -1;
|
|
this._items = [];
|
|
},
|
|
|
|
_getTopMenu: function() {
|
|
let actor = this.actor.get_parent();
|
|
while (actor) {
|
|
if (actor._delegate && actor._delegate instanceof PopupMenu)
|
|
return actor._delegate;
|
|
|
|
actor = actor.get_parent();
|
|
}
|
|
|
|
return null;
|
|
},
|
|
|
|
_onScrollEvent: function(actor, event) {
|
|
if (this._activeItemPos == -1)
|
|
return;
|
|
|
|
let position = this._activeItemPos;
|
|
let direction = event.get_scroll_direction();
|
|
if (direction == Clutter.ScrollDirection.DOWN) {
|
|
while (position < this._items.length - 1) {
|
|
position++;
|
|
if (this._menu.getItemVisible(position))
|
|
break;
|
|
}
|
|
} else if (direction == Clutter.ScrollDirection.UP) {
|
|
while (position > 0) {
|
|
position--;
|
|
if (this._menu.getItemVisible(position))
|
|
break;
|
|
}
|
|
}
|
|
|
|
if (position == this._activeItemPos)
|
|
return;
|
|
|
|
this.setActiveItem(position);
|
|
this.emit('active-item-changed', position);
|
|
},
|
|
|
|
activate: function(event) {
|
|
let topMenu = this._getTopMenu();
|
|
if (!topMenu)
|
|
return;
|
|
|
|
topMenu.addChildMenu(this._menu);
|
|
this._menu.toggle();
|
|
},
|
|
|
|
addMenuItem: function(menuItem, position) {
|
|
if (position === undefined)
|
|
position = this._menu.numMenuItems;
|
|
|
|
this._menu.addMenuItem(menuItem, position);
|
|
_ensureStyle(this._menu.actor);
|
|
|
|
let item = new St.BoxLayout({ style_class: 'popup-combobox-item' });
|
|
|
|
let children = menuItem.actor.get_children();
|
|
for (let i = 0; i < children.length; i++) {
|
|
let clone = new Clutter.Clone({ source: children[i] });
|
|
item.add(clone, { y_fill: false });
|
|
}
|
|
|
|
let oldItem = this._items[position];
|
|
if (oldItem)
|
|
this._itemBox.remove_actor(oldItem);
|
|
|
|
this._items[position] = item;
|
|
this._itemBox.add_actor(item);
|
|
|
|
menuItem.connect('activate',
|
|
Lang.bind(this, this._itemActivated, position));
|
|
},
|
|
|
|
checkAccessibleLabel: function() {
|
|
let activeItem = this._menu.getActiveItem();
|
|
this.actor.label_actor = activeItem.label;
|
|
},
|
|
|
|
setActiveItem: function(position) {
|
|
let item = this._items[position];
|
|
if (!item)
|
|
return;
|
|
if (this._activeItemPos == position)
|
|
return;
|
|
this._menu.setActiveItem(position);
|
|
this._activeItemPos = position;
|
|
for (let i = 0; i < this._items.length; i++)
|
|
this._items[i].visible = (i == this._activeItemPos);
|
|
|
|
this.checkAccessibleLabel();
|
|
},
|
|
|
|
setItemVisible: function(position, visible) {
|
|
this._menu.setItemVisible(position, visible);
|
|
},
|
|
|
|
_itemActivated: function(menuItem, event, position) {
|
|
this.setActiveItem(position);
|
|
this.emit('active-item-changed', position);
|
|
}
|
|
});
|
|
|
|
/* Basic implementation of a menu manager.
|
|
* Call addMenu to add menus
|
|
*/
|
|
const PopupMenuManager = new Lang.Class({
|
|
Name: 'PopupMenuManager',
|
|
|
|
_init: function(owner, grabParams) {
|
|
this._owner = owner;
|
|
this._grabHelper = new GrabHelper.GrabHelper(owner.actor, grabParams);
|
|
this._menus = [];
|
|
},
|
|
|
|
addMenu: function(menu, position) {
|
|
if (this._findMenu(menu) > -1)
|
|
return;
|
|
|
|
let menudata = {
|
|
menu: menu,
|
|
openStateChangeId: menu.connect('open-state-changed', Lang.bind(this, this._onMenuOpenState)),
|
|
childMenuAddedId: menu.connect('child-menu-added', Lang.bind(this, this._onChildMenuAdded)),
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|
childMenuRemovedId: menu.connect('child-menu-removed', Lang.bind(this, this._onChildMenuRemoved)),
|
|
destroyId: menu.connect('destroy', Lang.bind(this, this._onMenuDestroy)),
|
|
enterId: 0,
|
|
focusInId: 0
|
|
};
|
|
|
|
let source = menu.sourceActor;
|
|
if (source) {
|
|
if (!menu.blockSourceEvents)
|
|
this._grabHelper.addActor(source);
|
|
menudata.enterId = source.connect('enter-event', Lang.bind(this, function() { this._onMenuSourceEnter(menu); }));
|
|
menudata.focusInId = source.connect('key-focus-in', Lang.bind(this, function() { this._onMenuSourceEnter(menu); }));
|
|
}
|
|
|
|
if (position == undefined)
|
|
this._menus.push(menudata);
|
|
else
|
|
this._menus.splice(position, 0, menudata);
|
|
},
|
|
|
|
removeMenu: function(menu) {
|
|
if (menu == this.activeMenu)
|
|
this._closeMenu(menu);
|
|
|
|
let position = this._findMenu(menu);
|
|
if (position == -1) // not a menu we manage
|
|
return;
|
|
|
|
let menudata = this._menus[position];
|
|
menu.disconnect(menudata.openStateChangeId);
|
|
menu.disconnect(menudata.childMenuAddedId);
|
|
menu.disconnect(menudata.childMenuRemovedId);
|
|
menu.disconnect(menudata.destroyId);
|
|
|
|
if (menudata.enterId)
|
|
menu.sourceActor.disconnect(menudata.enterId);
|
|
if (menudata.focusInId)
|
|
menu.sourceActor.disconnect(menudata.focusInId);
|
|
|
|
if (menu.sourceActor)
|
|
this._grabHelper.removeActor(menu.sourceActor);
|
|
this._menus.splice(position, 1);
|
|
},
|
|
|
|
get activeMenu() {
|
|
let firstGrab = this._grabHelper.grabStack[0];
|
|
if (firstGrab)
|
|
return firstGrab.actor._delegate;
|
|
else
|
|
return null;
|
|
},
|
|
|
|
ignoreRelease: function() {
|
|
return this._grabHelper.ignoreRelease();
|
|
},
|
|
|
|
_onMenuOpenState: function(menu, open) {
|
|
if (open) {
|
|
if (this.activeMenu && !this.activeMenu.isChildMenu(menu))
|
|
this.activeMenu.close(BoxPointer.PopupAnimation.FADE);
|
|
this._grabHelper.grab({ actor: menu.actor, modal: true, focus: menu.sourceActor,
|
|
onUngrab: Lang.bind(this, this._closeMenu, menu) });
|
|
} else {
|
|
this._grabHelper.ungrab({ actor: menu.actor });
|
|
}
|
|
},
|
|
|
|
_onChildMenuAdded: function(menu, childMenu) {
|
|
this.addMenu(childMenu);
|
|
},
|
|
|
|
_onChildMenuRemoved: function(menu, childMenu) {
|
|
this.removeMenu(childMenu);
|
|
},
|
|
|
|
_changeMenu: function(newMenu) {
|
|
newMenu.open(this.activeMenu ? BoxPointer.PopupAnimation.FADE
|
|
: BoxPointer.PopupAnimation.FULL);
|
|
},
|
|
|
|
_onMenuSourceEnter: function(menu) {
|
|
if (!this._grabHelper.grabbed)
|
|
return false;
|
|
|
|
if (this._grabHelper.isActorGrabbed(menu.actor))
|
|
return false;
|
|
|
|
let isChildMenu = this._grabHelper.grabStack.some(function(grab) {
|
|
let existingMenu = grab.actor._delegate;
|
|
return existingMenu.isChildMenu(menu);
|
|
});
|
|
if (isChildMenu)
|
|
return false;
|
|
|
|
this._changeMenu(menu);
|
|
return false;
|
|
},
|
|
|
|
_onMenuDestroy: function(menu) {
|
|
this.removeMenu(menu);
|
|
},
|
|
|
|
_findMenu: function(item) {
|
|
for (let i = 0; i < this._menus.length; i++) {
|
|
let menudata = this._menus[i];
|
|
if (item == menudata.menu)
|
|
return i;
|
|
}
|
|
return -1;
|
|
},
|
|
|
|
_closeMenu: function(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);
|
|
}
|
|
});
|