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// -*- mode: js; js-indent-level: 4; indent-tabs-mode: nil -*-
const Clutter = imports.gi.Clutter;
const GdkPixbuf = imports.gi.GdkPixbuf;
const Gkbd = imports.gi.Gkbd;
const Gio = imports.gi.Gio;
const GLib = imports.gi.GLib;
const Lang = imports.lang;
const Shell = imports.gi.Shell;
const St = imports.gi.St;
const Main = imports.ui.main;
const PopupMenu = imports.ui.popupMenu;
const PanelMenu = imports.ui.panelMenu;
const Util = imports.misc.util;
const LayoutMenuItem = new Lang.Class({
Name: 'LayoutMenuItem',
Extends: PopupMenu.PopupBaseMenuItem,
_init: function(config, id, indicator, long_name) {
this.parent();
this._config = config;
this._id = id;
this.label = new St.Label({ text: long_name });
this.indicator = indicator;
this.addActor(this.label);
this.addActor(this.indicator);
},
activate: function(event) {
this.parent(event);
this._config.lock_group(this._id);
}
});
const XKBIndicator = new Lang.Class({
Name: 'XKBIndicator',
Extends: PanelMenu.Button,
_init: function() {
this.parent(0.0, _("Keyboard"));
this._container = new Shell.GenericContainer();
this._container.connect('get-preferred-width', Lang.bind(this, this._containerGetPreferredWidth));
this._container.connect('get-preferred-height', Lang.bind(this, this._containerGetPreferredHeight));
this._container.connect('allocate', Lang.bind(this, this._containerAllocate));
this.actor.add_actor(this._container);
this.actor.add_style_class_name('panel-status-button');
this._iconActor = new St.Icon({ icon_name: 'keyboard', icon_type: St.IconType.SYMBOLIC, style_class: 'system-status-icon' });
this._container.add_actor(this._iconActor);
this._labelActors = [ ];
this._layoutItems = [ ];
this._showFlags = false;
this._config = Gkbd.Configuration.get();
this._config.connect('changed', Lang.bind(this, this._syncConfig));
this._config.connect('group-changed', Lang.bind(this, this._syncGroup));
this._config.start_listen();
this._syncConfig();
if (global.session_type == Shell.SessionType.USER) {
this.menu.addMenuItem(new PopupMenu.PopupSeparatorMenuItem());
this.menu.addAction(_("Show Keyboard Layout"), Lang.bind(this, function() {
Main.overview.hide();
Util.spawn(['gkbd-keyboard-display', '-g', String(this._config.get_current_group() + 1)]);
}));
}
this.menu.addSettingsAction(_("Region and Language Settings"), 'gnome-region-panel.desktop');
},
_adjustGroupNames: function(names) {
// Disambiguate duplicate names with a subscript
// This is O(N^2) to avoid sorting names
// but N <= 4 so who cares?
for (let i = 0; i < names.length; i++) {
let name = names[i];
let cnt = 0;
for (let j = i + 1; j < names.length; j++) {
if (names[j] == name) {
cnt++;
// U+2081 SUBSCRIPT ONE
names[j] = name + String.fromCharCode(0x2081 + cnt);
}
}
if (cnt != 0)
names[i] = name + '\u2081';
}
return names;
},
_syncConfig: function() {
this._showFlags = this._config.if_flags_shown();
if (this._showFlags) {
this._container.set_skip_paint(this._iconActor, false);
} else {
this._container.set_skip_paint(this._iconActor, true);
}
let groups = this._config.get_group_names();
if (groups.length > 1) {
this.actor.show();
} else {
this.menu.close();
this.actor.hide();
}
for (let i = 0; i < this._layoutItems.length; i++)
this._layoutItems[i].destroy();
for (let i = 0; i < this._labelActors.length; i++)
this._labelActors[i].destroy();
let short_names = this._adjustGroupNames(this._config.get_short_group_names());
this._selectedLayout = null;
this._layoutItems = [ ];
this._selectedLabel = null;
this._labelActors = [ ];
for (let i = 0; i < groups.length; i++) {
let icon_name = this._config.get_group_name(i);
let actor;
if (this._showFlags)
actor = new St.Icon({ icon_name: icon_name, icon_type: St.IconType.SYMBOLIC, style_class: 'popup-menu-icon' });
else
actor = new St.Label({ text: short_names[i] });
let item = new LayoutMenuItem(this._config, i, actor, groups[i]);
item._short_group_name = short_names[i];
item._icon_name = icon_name;
this._layoutItems.push(item);
this.menu.addMenuItem(item, i);
let shortLabel = new St.Label({ text: short_names[i] });
this._labelActors.push(shortLabel);
this._container.add_actor(shortLabel);
this._container.set_skip_paint(shortLabel, true);
}
this._syncGroup();
},
_syncGroup: function() {
let selected = this._config.get_current_group();
if (this._selectedLayout) {
this._selectedLayout.setShowDot(false);
this._selectedLayout = null;
}
if (this._selectedLabel) {
this._container.set_skip_paint(this._selectedLabel, true);
this._selectedLabel = null;
}
let item = this._layoutItems[selected];
item.setShowDot(true);
this._iconActor.icon_name = item._icon_name;
this._selectedLabel = this._labelActors[selected];
this._container.set_skip_paint(this._selectedLabel, this._showFlags);
this._selectedLayout = item;
},
_containerGetPreferredWidth: function(container, for_height, alloc) {
// Here, and in _containerGetPreferredHeight, we need to query
// for the height of all children, but we ignore the results
// for those we don't actually display.
let max_min_width = 0, max_natural_width = 0;
if (this._showFlags)
[max_min_width, max_natural_width] = this._iconActor.get_preferred_width(for_height);
for (let i = 0; i < this._labelActors.length; i++) {
let [min_width, natural_width] = this._labelActors[i].get_preferred_width(for_height);
if (!this._showFlags) {
max_min_width = Math.max(max_min_width, min_width);
max_natural_width = Math.max(max_natural_width, natural_width);
}
}
alloc.min_size = max_min_width;
alloc.natural_size = max_natural_width;
},
_containerGetPreferredHeight: function(container, for_width, alloc) {
let max_min_height = 0, max_natural_height = 0;
if (this._showFlags)
[max_min_height, max_natural_height] = this._iconActor.get_preferred_height(for_width);
for (let i = 0; i < this._labelActors.length; i++) {
let [min_height, natural_height] = this._labelActors[i].get_preferred_height(for_width);
if (!this._showFlags) {
max_min_height = Math.max(max_min_height, min_height);
max_natural_height = Math.max(max_natural_height, natural_height);
}
}
alloc.min_size = max_min_height;
alloc.natural_size = max_natural_height;
},
_containerAllocate: function(container, box, flags) {
// translate box to (0, 0)
box.x2 -= box.x1;
box.x1 = 0;
box.y2 -= box.y1;
box.y1 = 0;
this._iconActor.allocate_align_fill(box, 0.5, 0, false, false, flags);
for (let i = 0; i < this._labelActors.length; i++)
this._labelActors[i].allocate_align_fill(box, 0.5, 0, false, false, flags);
}
});
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