gnome-shell/js/ui/panelMenu.js

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/* -*- mode: js2; js2-basic-offset: 4; indent-tabs-mode: nil -*- */
const Clutter = imports.gi.Clutter;
const St = imports.gi.St;
const Lang = imports.lang;
const PopupMenu = imports.ui.popupMenu;
const Main = imports.ui.main;
function Button(menuAlignment) {
this._init(menuAlignment);
}
Button.prototype = {
_init: function(menuAlignment) {
this.actor = new St.Bin({ style_class: 'panel-button',
reactive: true,
can_focus: true,
x_fill: true,
y_fill: false,
track_hover: true });
this.actor._delegate = this;
this.actor.connect('button-press-event', Lang.bind(this, this._onButtonPress));
this.actor.connect('key-press-event', Lang.bind(this, this._onKeyPress));
this.menu = new PopupMenu.PopupMenu(this.actor, menuAlignment, St.Side.TOP, /* FIXME */ 0);
this.menu.connect('open-state-changed', Lang.bind(this, this._onOpenStateChanged));
Main.chrome.addActor(this.menu.actor, { visibleInOverview: true,
affectsStruts: false });
this.menu.actor.hide();
},
_onButtonPress: function(actor, event) {
this.menu.toggle();
},
_onKeyPress: function(actor, event) {
let symbol = event.get_key_symbol();
if (symbol == Clutter.KEY_space || symbol == Clutter.KEY_Return) {
this.menu.toggle();
return true;
} else if (symbol == Clutter.KEY_Down) {
if (!this.menu.isOpen)
this.menu.toggle();
this.menu.activateFirst();
return true;
} else
return false;
},
_onOpenStateChanged: function(menu, open) {
if (open)
this.actor.add_style_pseudo_class('pressed');
else
this.actor.remove_style_pseudo_class('pressed');
}
};
/* SystemStatusButton:
*
* This class manages one System Status indicator (network, keyboard,
* volume, bluetooth...), which is just a PanelMenuButton with an
* icon and a tooltip
*/
function SystemStatusButton() {
this._init.apply(this, arguments);
}
SystemStatusButton.prototype = {
__proto__: Button.prototype,
_init: function(iconName,tooltipText) {
Button.prototype._init.call(this, St.Align.START);
this._iconActor = new St.Icon({ icon_name: iconName,
icon_type: St.IconType.SYMBOLIC,
style_class: 'system-status-icon' });
this.actor.set_child(this._iconActor);
this.setTooltip(tooltipText);
},
setIcon: function(iconName) {
this._iconActor.icon_name = iconName;
},
setGIcon: function(gicon) {
this._iconActor.gicon = gicon;
},
setTooltip: function(text) {
if (text != null) {
this.tooltip = text;
this.actor.has_tooltip = true;
this.actor.tooltip_text = text;
} else {
this.actor.has_tooltip = false;
this.tooltip = null;
}
}
};