gnome-shell/js/ui/status/keyboard.js
Carlos Soriano 0418b68051 popupMenu: Use an image for arrows
Until now the arrows were the associated arrow
character of the font. This cause some problems like
different arrows for different fonts, and size can be
altered because of the font size.
To solve that, use an image for the arrows.

https://bugzilla.gnome.org/show_bug.cgi?id=720206
2014-02-19 13:44:27 +01:00

914 lines
32 KiB
JavaScript

// -*- mode: js; js-indent-level: 4; indent-tabs-mode: nil -*-
const Clutter = imports.gi.Clutter;
const Gio = imports.gi.Gio;
const GLib = imports.gi.GLib;
const GnomeDesktop = imports.gi.GnomeDesktop;
const Lang = imports.lang;
const Meta = imports.gi.Meta;
const Shell = imports.gi.Shell;
const Signals = imports.signals;
const St = imports.gi.St;
const Gettext = imports.gettext;
try {
var IBus = imports.gi.IBus;
if (!('new_async' in IBus.Bus))
throw "IBus version is too old";
const IBusCandidatePopup = imports.ui.ibusCandidatePopup;
} catch (e) {
var IBus = null;
log(e);
}
const Main = imports.ui.main;
const PopupMenu = imports.ui.popupMenu;
const PanelMenu = imports.ui.panelMenu;
const SwitcherPopup = imports.ui.switcherPopup;
const Util = imports.misc.util;
const DESKTOP_INPUT_SOURCES_SCHEMA = 'org.gnome.desktop.input-sources';
const KEY_CURRENT_INPUT_SOURCE = 'current';
const KEY_INPUT_SOURCES = 'sources';
const INPUT_SOURCE_TYPE_XKB = 'xkb';
const INPUT_SOURCE_TYPE_IBUS = 'ibus';
// This is the longest we'll keep the keyboard frozen until an input
// source is active.
const MAX_INPUT_SOURCE_ACTIVATION_TIME = 4000; // ms
const BUS_NAME = 'org.gnome.SettingsDaemon.Keyboard';
const OBJECT_PATH = '/org/gnome/SettingsDaemon/Keyboard';
const KeyboardManagerInterface = '<node> \
<interface name="org.gnome.SettingsDaemon.Keyboard"> \
<method name="SetInputSource"> \
<arg type="u" direction="in" /> \
</method> \
</interface> \
</node>';
const KeyboardManagerProxy = Gio.DBusProxy.makeProxyWrapper(KeyboardManagerInterface);
function releaseKeyboard() {
if (Main.modalCount > 0)
global.display.unfreeze_keyboard(global.get_current_time());
else
global.display.ungrab_keyboard(global.get_current_time());
}
function holdKeyboard() {
global.freeze_keyboard(global.get_current_time());
}
const IBusManager = new Lang.Class({
Name: 'IBusManager',
_init: function(readyCallback) {
if (!IBus)
return;
IBus.init();
this._readyCallback = readyCallback;
this._candidatePopup = new IBusCandidatePopup.CandidatePopup();
this._panelService = null;
this._engines = {};
this._ready = false;
this._registerPropertiesId = 0;
this._currentEngineName = null;
this._ibus = IBus.Bus.new_async();
this._ibus.connect('connected', Lang.bind(this, this._onConnected));
this._ibus.connect('disconnected', Lang.bind(this, this._clear));
// Need to set this to get 'global-engine-changed' emitions
this._ibus.set_watch_ibus_signal(true);
this._ibus.connect('global-engine-changed', Lang.bind(this, this._engineChanged));
},
_clear: function() {
if (this._panelService)
this._panelService.destroy();
this._panelService = null;
this._candidatePopup.setPanelService(null);
this._engines = {};
this._ready = false;
this._registerPropertiesId = 0;
this._currentEngineName = null;
if (this._readyCallback)
this._readyCallback(false);
},
_onConnected: function() {
this._ibus.list_engines_async(-1, null, Lang.bind(this, this._initEngines));
this._ibus.request_name_async(IBus.SERVICE_PANEL,
IBus.BusNameFlag.REPLACE_EXISTING,
-1, null,
Lang.bind(this, this._initPanelService));
},
_initEngines: function(ibus, result) {
let enginesList = this._ibus.list_engines_async_finish(result);
if (enginesList) {
for (let i = 0; i < enginesList.length; ++i) {
let name = enginesList[i].get_name();
this._engines[name] = enginesList[i];
}
this._updateReadiness();
} else {
this._clear();
}
},
_initPanelService: function(ibus, result) {
let success = this._ibus.request_name_async_finish(result);
if (success) {
this._panelService = new IBus.PanelService({ connection: this._ibus.get_connection(),
object_path: IBus.PATH_PANEL });
this._candidatePopup.setPanelService(this._panelService);
this._panelService.connect('update-property', Lang.bind(this, this._updateProperty));
// If an engine is already active we need to get its properties
this._ibus.get_global_engine_async(-1, null, Lang.bind(this, function(i, result) {
let engine;
try {
engine = this._ibus.get_global_engine_async_finish(result);
if (!engine)
return;
} catch(e) {
return;
}
this._engineChanged(this._ibus, engine.get_name());
}));
this._updateReadiness();
} else {
this._clear();
}
},
_updateReadiness: function() {
this._ready = (Object.keys(this._engines).length > 0 &&
this._panelService != null);
if (this._readyCallback)
this._readyCallback(this._ready);
},
_engineChanged: function(bus, engineName) {
if (!this._ready)
return;
this._currentEngineName = engineName;
if (this._registerPropertiesId != 0)
return;
this._registerPropertiesId =
this._panelService.connect('register-properties', Lang.bind(this, function(p, props) {
if (!props.get(0))
return;
this._panelService.disconnect(this._registerPropertiesId);
this._registerPropertiesId = 0;
this.emit('properties-registered', this._currentEngineName, props);
}));
},
_updateProperty: function(panel, prop) {
this.emit('property-updated', this._currentEngineName, prop);
},
activateProperty: function(key, state) {
this._panelService.property_activate(key, state);
},
getEngineDesc: function(id) {
if (!IBus || !this._ready)
return null;
return this._engines[id];
}
});
Signals.addSignalMethods(IBusManager.prototype);
const LayoutMenuItem = new Lang.Class({
Name: 'LayoutMenuItem',
Extends: PopupMenu.PopupBaseMenuItem,
_init: function(displayName, shortName) {
this.parent();
this.label = new St.Label({ text: displayName });
this.indicator = new St.Label({ text: shortName });
this.actor.add(this.label, { expand: true });
this.actor.add(this.indicator);
this.actor.label_actor = this.label;
}
});
const InputSource = new Lang.Class({
Name: 'InputSource',
_init: function(type, id, displayName, shortName, index) {
this.type = type;
this.id = id;
this.displayName = displayName;
this._shortName = shortName;
this.index = index;
this._menuItem = new LayoutMenuItem(this.displayName, this._shortName);
this._menuItem.connect('activate', Lang.bind(this, this.activate));
this._indicatorLabel = new St.Label({ text: this._shortName });
this.properties = null;
},
destroy: function() {
this._menuItem.destroy();
this._indicatorLabel.destroy();
},
get shortName() {
return this._shortName;
},
set shortName(v) {
this._shortName = v;
this._menuItem.indicator.set_text(v);
this._indicatorLabel.set_text(v);
},
get menuItem() {
return this._menuItem;
},
get indicatorLabel() {
return this._indicatorLabel;
},
activate: function() {
this.emit('activate');
},
});
Signals.addSignalMethods(InputSource.prototype);
const InputSourcePopup = new Lang.Class({
Name: 'InputSourcePopup',
Extends: SwitcherPopup.SwitcherPopup,
_init: function(items, action, actionBackward) {
this.parent(items);
this._action = action;
this._actionBackward = actionBackward;
},
_createSwitcher: function() {
this._switcherList = new InputSourceSwitcher(this._items);
return true;
},
_initialSelection: function(backward, binding) {
if (binding == 'switch-input-source') {
if (backward)
this._selectedIndex = this._items.length - 1;
} else if (binding == 'switch-input-source-backward') {
if (!backward)
this._selectedIndex = this._items.length - 1;
}
this._select(this._selectedIndex);
},
_keyPressHandler: function(keysym, backwards, action) {
if (action == this._action)
this._select(backwards ? this._previous() : this._next());
else if (action == this._actionBackward)
this._select(backwards ? this._next() : this._previous());
else if (keysym == Clutter.Left)
this._select(this._previous());
else if (keysym == Clutter.Right)
this._select(this._next());
},
_finish : function() {
this.parent();
this._items[this._selectedIndex].activate();
},
});
const InputSourceSwitcher = new Lang.Class({
Name: 'InputSourceSwitcher',
Extends: SwitcherPopup.SwitcherList,
_init: function(items) {
this.parent(true);
for (let i = 0; i < items.length; i++)
this._addIcon(items[i]);
},
_addIcon: function(item) {
let box = new St.BoxLayout({ vertical: true });
let bin = new St.Bin({ style_class: 'input-source-switcher-symbol' });
let symbol = new St.Label({ text: item.shortName });
bin.set_child(symbol);
box.add(bin, { x_fill: false, y_fill: false } );
let text = new St.Label({ text: item.displayName });
box.add(text, { x_fill: false });
this.addItem(box, text);
}
});
const InputSourceIndicator = new Lang.Class({
Name: 'InputSourceIndicator',
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._hbox = new St.BoxLayout({ style_class: 'panel-status-menu-box' });
this._hbox.add_child(this._container);
this._hbox.add_child(PopupMenu.arrowIcon(St.Side.BOTTOM));
this.actor.add_child(this._hbox);
this.actor.add_style_class_name('panel-status-button');
// All valid input sources currently in the gsettings
// KEY_INPUT_SOURCES list indexed by their index there
this._inputSources = {};
// All valid input sources currently in the gsettings
// KEY_INPUT_SOURCES list of type INPUT_SOURCE_TYPE_IBUS
// indexed by the IBus ID
this._ibusSources = {};
this._currentSource = null;
// All valid input sources currently in the gsettings
// KEY_INPUT_SOURCES list ordered by most recently used
this._mruSources = [];
this._keybindingAction =
Main.wm.addKeybinding('switch-input-source',
new Gio.Settings({ schema: "org.gnome.desktop.wm.keybindings" }),
Meta.KeyBindingFlags.REVERSES,
Shell.KeyBindingMode.ALL,
Lang.bind(this, this._switchInputSource));
this._keybindingActionBackward =
Main.wm.addKeybinding('switch-input-source-backward',
new Gio.Settings({ schema: "org.gnome.desktop.wm.keybindings" }),
Meta.KeyBindingFlags.REVERSES |
Meta.KeyBindingFlags.REVERSED,
Shell.KeyBindingMode.ALL,
Lang.bind(this, this._switchInputSource));
this._settings = new Gio.Settings({ schema: DESKTOP_INPUT_SOURCES_SCHEMA });
this._settings.connect('changed::' + KEY_CURRENT_INPUT_SOURCE, Lang.bind(this, this._currentInputSourceChanged));
this._settings.connect('changed::' + KEY_INPUT_SOURCES, Lang.bind(this, this._inputSourcesChanged));
this._xkbInfo = new GnomeDesktop.XkbInfo();
this._propSeparator = new PopupMenu.PopupSeparatorMenuItem();
this.menu.addMenuItem(this._propSeparator);
this._propSection = new PopupMenu.PopupMenuSection();
this.menu.addMenuItem(this._propSection);
this._propSection.actor.hide();
this._ibusReady = false;
this._ibusManager = new IBusManager(Lang.bind(this, this._ibusReadyCallback));
this._ibusManager.connect('properties-registered', Lang.bind(this, this._ibusPropertiesRegistered));
this._ibusManager.connect('property-updated', Lang.bind(this, this._ibusPropertyUpdated));
this._inputSourcesChanged();
this._keyboardManager = new KeyboardManagerProxy(Gio.DBus.session, BUS_NAME, OBJECT_PATH,
function(proxy, error) {
if (error)
log(error.message);
});
this._keyboardManager.g_default_timeout = MAX_INPUT_SOURCE_ACTIVATION_TIME;
global.display.connect('modifiers-accelerator-activated', Lang.bind(this, this._modifiersSwitcher));
this.menu.addMenuItem(new PopupMenu.PopupSeparatorMenuItem());
this._showLayoutItem = this.menu.addAction(_("Show Keyboard Layout"), Lang.bind(this, this._showLayout));
Main.sessionMode.connect('updated', Lang.bind(this, this._sessionUpdated));
this._sessionUpdated();
this._sourcesPerWindow = false;
this._focusWindowNotifyId = 0;
this._overviewShowingId = 0;
this._overviewHiddenId = 0;
this._settings.connect('changed::per-window', Lang.bind(this, this._sourcesPerWindowChanged));
this._sourcesPerWindowChanged();
},
_sessionUpdated: function() {
// re-using "allowSettings" for the keyboard layout is a bit shady,
// but at least for now it is used as "allow popping up windows
// from shell menus"; we can always add a separate sessionMode
// option if need arises.
this._showLayoutItem.actor.visible = Main.sessionMode.allowSettings;
},
_ibusReadyCallback: function(ready) {
if (this._ibusReady == ready)
return;
this._ibusReady = ready;
this._mruSources = [];
this._inputSourcesChanged();
},
_modifiersSwitcher: function() {
let sourceIndexes = Object.keys(this._inputSources);
if (sourceIndexes.length == 0) {
releaseKeyboard();
return true;
}
let is = this._currentSource;
if (!is)
is = this._inputSources[sourceIndexes[0]];
let nextIndex = is.index + 1;
if (nextIndex > sourceIndexes[sourceIndexes.length - 1])
nextIndex = 0;
while (!(is = this._inputSources[nextIndex]))
nextIndex += 1;
is.activate();
return true;
},
_switchInputSource: function(display, screen, window, binding) {
if (this._mruSources.length < 2)
return;
// HACK: Fall back on simple input source switching since we
// can't show a popup switcher while a GrabHelper grab is in
// effect without considerable work to consolidate the usage
// of pushModal/popModal and grabHelper. See
// https://bugzilla.gnome.org/show_bug.cgi?id=695143 .
if (Main.keybindingMode == Shell.KeyBindingMode.MESSAGE_TRAY ||
Main.keybindingMode == Shell.KeyBindingMode.TOPBAR_POPUP) {
this._modifiersSwitcher();
return;
}
let popup = new InputSourcePopup(this._mruSources, this._keybindingAction, this._keybindingActionBackward);
let modifiers = binding.get_modifiers();
let backwards = modifiers & Meta.VirtualModifier.SHIFT_MASK;
if (!popup.show(backwards, binding.get_name(), binding.get_mask()))
popup.destroy();
},
_currentInputSourceChanged: function() {
let nVisibleSources = Object.keys(this._inputSources).length;
let newSourceIndex = this._settings.get_uint(KEY_CURRENT_INPUT_SOURCE);
let newSource = this._inputSources[newSourceIndex];
let oldSource;
[oldSource, this._currentSource] = [this._currentSource, newSource];
if (oldSource) {
oldSource.menuItem.setOrnament(PopupMenu.Ornament.NONE);
oldSource.indicatorLabel.hide();
}
if (!newSource || (nVisibleSources < 2 && !newSource.properties)) {
// This source index might be invalid if we weren't able
// to build a menu item for it, so we hide ourselves since
// we can't fix it here. *shrug*
// We also hide if we have only one visible source unless
// it's an IBus source with properties.
this.menu.close();
this.actor.hide();
return;
}
this.actor.show();
newSource.menuItem.setOrnament(PopupMenu.Ornament.DOT);
newSource.indicatorLabel.show();
this._buildPropSection(newSource.properties);
for (let i = 1; i < this._mruSources.length; ++i)
if (this._mruSources[i] == newSource) {
let currentSource = this._mruSources.splice(i, 1);
this._mruSources = currentSource.concat(this._mruSources);
break;
}
this._changePerWindowSource();
},
_inputSourcesChanged: function() {
let sources = this._settings.get_value(KEY_INPUT_SOURCES);
let nSources = sources.n_children();
for (let i in this._inputSources)
this._inputSources[i].destroy();
this._inputSources = {};
this._ibusSources = {};
this._currentSource = null;
let inputSourcesByShortName = {};
for (let i = 0; i < nSources; i++) {
let displayName;
let shortName;
let [type, id] = sources.get_child_value(i).deep_unpack();
let exists = false;
if (type == INPUT_SOURCE_TYPE_XKB) {
[exists, displayName, shortName, , ] =
this._xkbInfo.get_layout_info(id);
} else if (type == INPUT_SOURCE_TYPE_IBUS) {
let engineDesc = this._ibusManager.getEngineDesc(id);
if (engineDesc) {
let language = IBus.get_language_name(engineDesc.get_language());
let longName = engineDesc.get_longname();
let textdomain = engineDesc.get_textdomain();
if (textdomain != '')
longName = Gettext.dgettext(textdomain, longName);
exists = true;
displayName = '%s (%s)'.format(language, longName);
shortName = this._makeEngineShortName(engineDesc);
}
}
if (!exists)
continue;
let is = new InputSource(type, id, displayName, shortName, i);
is.connect('activate', Lang.bind(this, function() {
holdKeyboard();
this._keyboardManager.SetInputSourceRemote(is.index, releaseKeyboard);
}));
if (!(is.shortName in inputSourcesByShortName))
inputSourcesByShortName[is.shortName] = [];
inputSourcesByShortName[is.shortName].push(is);
this._inputSources[is.index] = is;
if (is.type == INPUT_SOURCE_TYPE_IBUS)
this._ibusSources[is.id] = is;
}
let menuIndex = 0;
for (let i in this._inputSources) {
let is = this._inputSources[i];
if (inputSourcesByShortName[is.shortName].length > 1) {
let sub = inputSourcesByShortName[is.shortName].indexOf(is) + 1;
is.shortName += String.fromCharCode(0x2080 + sub);
}
this.menu.addMenuItem(is.menuItem, menuIndex++);
is.indicatorLabel.hide();
this._container.add_actor(is.indicatorLabel);
}
let sourcesList = [];
for (let i in this._inputSources)
sourcesList.push(this._inputSources[i]);
let mruSources = [];
for (let i = 0; i < this._mruSources.length; i++) {
for (let j = 0; j < sourcesList.length; j++)
if (this._mruSources[i].type == sourcesList[j].type &&
this._mruSources[i].id == sourcesList[j].id) {
mruSources = mruSources.concat(sourcesList.splice(j, 1));
break;
}
}
this._mruSources = mruSources.concat(sourcesList);
this._currentInputSourceChanged();
},
_showLayout: function() {
Main.overview.hide();
let source = this._currentSource;
let xkbLayout = '';
let xkbVariant = '';
if (source.type == INPUT_SOURCE_TYPE_XKB) {
[, , , xkbLayout, xkbVariant] = this._xkbInfo.get_layout_info(source.id);
} else if (source.type == INPUT_SOURCE_TYPE_IBUS) {
let engineDesc = this._ibusManager.getEngineDesc(source.id);
if (engineDesc) {
xkbLayout = engineDesc.get_layout();
xkbVariant = '';
}
}
if (!xkbLayout || xkbLayout.length == 0)
return;
let description = xkbLayout;
if (xkbVariant.length > 0)
description = description + '\t' + xkbVariant;
Util.spawn(['gkbd-keyboard-display', '-l', description]);
},
_makeEngineShortName: function(engineDesc) {
let symbol = engineDesc.get_symbol();
if (symbol && symbol[0])
return symbol;
let langCode = engineDesc.get_language().split('_', 1)[0];
if (langCode.length == 2 || langCode.length == 3)
return langCode.toLowerCase();
return String.fromCharCode(0x2328); // keyboard glyph
},
_ibusPropertiesRegistered: function(im, engineName, props) {
let source = this._ibusSources[engineName];
if (!source)
return;
source.properties = props;
if (source == this._currentSource)
this._currentInputSourceChanged();
},
_ibusPropertyUpdated: function(im, engineName, prop) {
let source = this._ibusSources[engineName];
if (!source)
return;
if (this._updateSubProperty(source.properties, prop) &&
source == this._currentSource)
this._currentInputSourceChanged();
},
_updateSubProperty: function(props, prop) {
if (!props)
return false;
let p;
for (let i = 0; (p = props.get(i)) != null; ++i) {
if (p.get_key() == prop.get_key() && p.get_prop_type() == prop.get_prop_type()) {
p.update(prop);
return true;
} else if (p.get_prop_type() == IBus.PropType.MENU) {
if (this._updateSubProperty(p.get_sub_props(), prop))
return true;
}
}
return false;
},
_buildPropSection: function(properties) {
this._propSeparator.actor.hide();
this._propSection.actor.hide();
this._propSection.removeAll();
this._buildPropSubMenu(this._propSection, properties);
if (!this._propSection.isEmpty()) {
this._propSection.actor.show();
this._propSeparator.actor.show();
}
},
_buildPropSubMenu: function(menu, props) {
if (!props)
return;
let radioGroup = [];
let p;
for (let i = 0; (p = props.get(i)) != null; ++i) {
let prop = p;
if (!prop.get_visible())
continue;
if (prop.get_key() == 'InputMode') {
let text;
if (prop.get_symbol)
text = prop.get_symbol().get_text();
else
text = prop.get_label().get_text();
if (text && text.length > 0 && text.length < 3)
this._currentSource.indicatorLabel.set_text(text);
}
let item;
switch (prop.get_prop_type()) {
case IBus.PropType.MENU:
item = new PopupMenu.PopupSubMenuMenuItem(prop.get_label().get_text());
this._buildPropSubMenu(item.menu, prop.get_sub_props());
break;
case IBus.PropType.RADIO:
item = new PopupMenu.PopupMenuItem(prop.get_label().get_text());
item.prop = prop;
radioGroup.push(item);
item.radioGroup = radioGroup;
item.setOrnament(prop.get_state() == IBus.PropState.CHECKED ?
PopupMenu.Ornament.DOT : PopupMenu.Ornament.NONE);
item.connect('activate', Lang.bind(this, function() {
if (item.prop.get_state() == IBus.PropState.CHECKED)
return;
let group = item.radioGroup;
for (let i = 0; i < group.length; ++i) {
if (group[i] == item) {
item.setOrnament(PopupMenu.Ornament.DOT);
item.prop.set_state(IBus.PropState.CHECKED);
this._ibusManager.activateProperty(item.prop.get_key(),
IBus.PropState.CHECKED);
} else {
group[i].setOrnament(PopupMenu.Ornament.NONE);
group[i].prop.set_state(IBus.PropState.UNCHECKED);
this._ibusManager.activateProperty(group[i].prop.get_key(),
IBus.PropState.UNCHECKED);
}
}
}));
break;
case IBus.PropType.TOGGLE:
item = new PopupMenu.PopupSwitchMenuItem(prop.get_label().get_text(), prop.get_state() == IBus.PropState.CHECKED);
item.prop = prop;
item.connect('toggled', Lang.bind(this, function() {
if (item.state) {
item.prop.set_state(IBus.PropState.CHECKED);
this._ibusManager.activateProperty(item.prop.get_key(),
IBus.PropState.CHECKED);
} else {
item.prop.set_state(IBus.PropState.UNCHECKED);
this._ibusManager.activateProperty(item.prop.get_key(),
IBus.PropState.UNCHECKED);
}
}));
break;
case IBus.PropType.NORMAL:
item = new PopupMenu.PopupMenuItem(prop.get_label().get_text());
item.prop = prop;
item.connect('activate', Lang.bind(this, function() {
this._ibusManager.activateProperty(item.prop.get_key(),
item.prop.get_state());
}));
break;
case IBus.PropType.SEPARATOR:
item = new PopupMenu.PopupSeparatorMenuItem();
break;
default:
log ('IBus property %s has invalid type %d'.format(prop.get_key(), type));
continue;
}
item.setSensitive(prop.get_sensitive());
menu.addMenuItem(item);
}
},
_getNewInputSource: function(current) {
for (let i in this._inputSources) {
let is = this._inputSources[i];
if (is.type == current.type &&
is.id == current.id)
return is;
}
return this._currentSource;
},
_getCurrentWindow: function() {
if (Main.overview.visible)
return Main.overview;
else
return global.display.focus_window;
},
_setPerWindowInputSource: function() {
let window = this._getCurrentWindow();
if (!window)
return;
if (!window._inputSources) {
window._inputSources = this._inputSources;
window._currentSource = this._currentSource;
} else if (window._inputSources == this._inputSources) {
window._currentSource.activate();
} else {
window._inputSources = this._inputSources;
window._currentSource = this._getNewInputSource(window._currentSource);
window._currentSource.activate();
}
},
_sourcesPerWindowChanged: function() {
this._sourcesPerWindow = this._settings.get_boolean('per-window');
if (this._sourcesPerWindow && this._focusWindowNotifyId == 0) {
this._focusWindowNotifyId = global.display.connect('notify::focus-window',
Lang.bind(this, this._setPerWindowInputSource));
this._overviewShowingId = Main.overview.connect('showing',
Lang.bind(this, this._setPerWindowInputSource));
this._overviewHiddenId = Main.overview.connect('hidden',
Lang.bind(this, this._setPerWindowInputSource));
} else if (!this._sourcesPerWindow && this._focusWindowNotifyId != 0) {
global.display.disconnect(this._focusWindowNotifyId);
this._focusWindowNotifyId = 0;
Main.overview.disconnect(this._overviewShowingId);
this._overviewShowingId = 0;
Main.overview.disconnect(this._overviewHiddenId);
this._overviewHiddenId = 0;
let windows = global.get_window_actors().map(function(w) {
return w.meta_window;
});
for (let i = 0; i < windows.length; ++i) {
delete windows[i]._inputSources;
delete windows[i]._currentSource;
}
delete Main.overview._inputSources;
delete Main.overview._currentSource;
}
},
_changePerWindowSource: function() {
if (!this._sourcesPerWindow)
return;
let window = this._getCurrentWindow();
if (!window)
return;
window._inputSources = this._inputSources;
window._currentSource = this._currentSource;
},
_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;
for (let i in this._inputSources) {
let is = this._inputSources[i];
let [min_width, natural_width] = is.indicatorLabel.get_preferred_width(for_height);
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;
for (let i in this._inputSources) {
let is = this._inputSources[i];
let [min_height, natural_height] = is.indicatorLabel.get_preferred_height(for_width);
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;
for (let i in this._inputSources) {
let is = this._inputSources[i];
is.indicatorLabel.allocate_align_fill(box, 0.5, 0.5, false, false, flags);
}
}
});