548a23a969
Each menu is a focus manager group, but there is also some explicit focus handling between non-hierarchically-related widgets. Eg, to move between menus, or from a menubutton into its menu. https://bugzilla.gnome.org/show_bug.cgi?id=621671
98 lines
3.2 KiB
JavaScript
98 lines
3.2 KiB
JavaScript
/* -*- mode: js2; js2-basic-offset: 4; indent-tabs-mode: nil -*- */
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const Clutter = imports.gi.Clutter;
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const St = imports.gi.St;
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const Lang = imports.lang;
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const PopupMenu = imports.ui.popupMenu;
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const Main = imports.ui.main;
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function Button(menuAlignment) {
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this._init(menuAlignment);
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}
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Button.prototype = {
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_init: function(menuAlignment) {
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this.actor = new St.Bin({ style_class: 'panel-button',
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reactive: true,
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can_focus: true,
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x_fill: true,
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y_fill: false,
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track_hover: true });
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this.actor._delegate = this;
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this.actor.connect('button-press-event', Lang.bind(this, this._onButtonPress));
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this.actor.connect('key-press-event', Lang.bind(this, this._onKeyPress));
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this.menu = new PopupMenu.PopupMenu(this.actor, menuAlignment, St.Side.TOP, /* FIXME */ 0);
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this.menu.connect('open-state-changed', Lang.bind(this, this._onOpenStateChanged));
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Main.chrome.addActor(this.menu.actor, { visibleInOverview: true,
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affectsStruts: false });
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this.menu.actor.hide();
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},
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_onButtonPress: function(actor, event) {
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this.menu.toggle();
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},
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_onKeyPress: 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.menu.toggle();
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return true;
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} else if (symbol == Clutter.KEY_Down) {
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if (!this.menu.isOpen)
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this.menu.toggle();
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this.menu.activateFirst();
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return true;
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} else
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return false;
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},
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_onOpenStateChanged: function(menu, open) {
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if (open) {
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this.actor.add_style_pseudo_class('pressed');
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let focus = global.stage.get_key_focus();
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if (!focus || (focus != this.actor && !menu.contains(focus)))
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this.actor.grab_key_focus();
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} else
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this.actor.remove_style_pseudo_class('pressed');
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}
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};
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/* SystemStatusButton:
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*
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* This class manages one System Status indicator (network, keyboard,
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* volume, bluetooth...), which is just a PanelMenuButton with an
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* icon and a tooltip
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*/
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function SystemStatusButton() {
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this._init.apply(this, arguments);
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}
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SystemStatusButton.prototype = {
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__proto__: Button.prototype,
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_init: function(iconName,tooltipText) {
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Button.prototype._init.call(this, St.Align.START);
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this._iconActor = null;
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this.setIcon(iconName);
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this.setTooltip(tooltipText);
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},
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setIcon: function(iconName) {
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this._iconName = iconName;
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if (this._iconActor)
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this._iconActor.destroy();
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this._iconActor = St.TextureCache.get_default().load_icon_name(this._iconName, St.IconType.SYMBOLIC, 24);
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this.actor.set_child(this._iconActor);
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},
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setTooltip: function(text) {
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if (text != null) {
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this.tooltip = text;
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this.actor.has_tooltip = true;
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this.actor.tooltip_text = text;
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} else {
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this.actor.has_tooltip = false;
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this.tooltip = null;
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}
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}
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}; |