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-rw-r--r--js/ui/status/keyboard.js1079
1 files changed, 1079 insertions, 0 deletions
diff --git a/js/ui/status/keyboard.js b/js/ui/status/keyboard.js
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+++ b/js/ui/status/keyboard.js
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+// -*- mode: js; js-indent-level: 4; indent-tabs-mode: nil -*-
+/* exported InputSourceIndicator */
+
+const { Clutter, Gio, GLib, GObject, IBus, Meta, Shell, St } = imports.gi;
+const Gettext = imports.gettext;
+const Signals = imports.signals;
+
+const IBusManager = imports.misc.ibusManager;
+const KeyboardManager = imports.misc.keyboardManager;
+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;
+
+var INPUT_SOURCE_TYPE_XKB = 'xkb';
+var INPUT_SOURCE_TYPE_IBUS = 'ibus';
+
+var LayoutMenuItem = GObject.registerClass(
+class LayoutMenuItem extends PopupMenu.PopupBaseMenuItem {
+ _init(displayName, shortName) {
+ super._init();
+
+ this.label = new St.Label({
+ text: displayName,
+ x_expand: true,
+ });
+ this.indicator = new St.Label({ text: shortName });
+ this.add_child(this.label);
+ this.add(this.indicator);
+ this.label_actor = this.label;
+ }
+});
+
+var InputSource = class {
+ constructor(type, id, displayName, shortName, index) {
+ this.type = type;
+ this.id = id;
+ this.displayName = displayName;
+ this._shortName = shortName;
+ this.index = index;
+
+ this.properties = null;
+
+ this.xkbId = this._getXkbId();
+ }
+
+ get shortName() {
+ return this._shortName;
+ }
+
+ set shortName(v) {
+ this._shortName = v;
+ this.emit('changed');
+ }
+
+ activate(interactive) {
+ this.emit('activate', !!interactive);
+ }
+
+ _getXkbId() {
+ let engineDesc = IBusManager.getIBusManager().getEngineDesc(this.id);
+ if (!engineDesc)
+ return this.id;
+
+ if (engineDesc.variant && engineDesc.variant.length > 0)
+ return '%s+%s'.format(engineDesc.layout, engineDesc.variant);
+ else
+ return engineDesc.layout;
+ }
+};
+Signals.addSignalMethods(InputSource.prototype);
+
+var InputSourcePopup = GObject.registerClass(
+class InputSourcePopup extends SwitcherPopup.SwitcherPopup {
+ _init(items, action, actionBackward) {
+ super._init(items);
+
+ this._action = action;
+ this._actionBackward = actionBackward;
+
+ this._switcherList = new InputSourceSwitcher(this._items);
+ }
+
+ _keyPressHandler(keysym, action) {
+ if (action == this._action)
+ this._select(this._next());
+ else if (action == this._actionBackward)
+ this._select(this._previous());
+ else if (keysym == Clutter.KEY_Left)
+ this._select(this._previous());
+ else if (keysym == Clutter.KEY_Right)
+ this._select(this._next());
+ else
+ return Clutter.EVENT_PROPAGATE;
+
+ return Clutter.EVENT_STOP;
+ }
+
+ _finish() {
+ super._finish();
+
+ this._items[this._selectedIndex].activate(true);
+ }
+});
+
+var InputSourceSwitcher = GObject.registerClass(
+class InputSourceSwitcher extends SwitcherPopup.SwitcherList {
+ _init(items) {
+ super._init(true);
+
+ for (let i = 0; i < items.length; i++)
+ this._addIcon(items[i]);
+ }
+
+ _addIcon(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,
+ x_align: Clutter.ActorAlign.CENTER,
+ y_align: Clutter.ActorAlign.CENTER,
+ });
+ bin.set_child(symbol);
+ box.add_child(bin);
+
+ let text = new St.Label({
+ text: item.displayName,
+ x_align: Clutter.ActorAlign.CENTER,
+ });
+ box.add_child(text);
+
+ this.addItem(box, text);
+ }
+});
+
+var InputSourceSettings = class {
+ constructor() {
+ if (this.constructor === InputSourceSettings)
+ throw new TypeError('Cannot instantiate abstract class %s'.format(this.constructor.name));
+ }
+
+ _emitInputSourcesChanged() {
+ this.emit('input-sources-changed');
+ }
+
+ _emitKeyboardOptionsChanged() {
+ this.emit('keyboard-options-changed');
+ }
+
+ _emitPerWindowChanged() {
+ this.emit('per-window-changed');
+ }
+
+ get inputSources() {
+ return [];
+ }
+
+ get mruSources() {
+ return [];
+ }
+
+ set mruSources(sourcesList) {
+ // do nothing
+ }
+
+ get keyboardOptions() {
+ return [];
+ }
+
+ get perWindow() {
+ return false;
+ }
+};
+Signals.addSignalMethods(InputSourceSettings.prototype);
+
+var InputSourceSystemSettings = class extends InputSourceSettings {
+ constructor() {
+ super();
+
+ this._BUS_NAME = 'org.freedesktop.locale1';
+ this._BUS_PATH = '/org/freedesktop/locale1';
+ this._BUS_IFACE = 'org.freedesktop.locale1';
+ this._BUS_PROPS_IFACE = 'org.freedesktop.DBus.Properties';
+
+ this._layouts = '';
+ this._variants = '';
+ this._options = '';
+
+ this._reload();
+
+ Gio.DBus.system.signal_subscribe(this._BUS_NAME,
+ this._BUS_PROPS_IFACE,
+ 'PropertiesChanged',
+ this._BUS_PATH,
+ null,
+ Gio.DBusSignalFlags.NONE,
+ this._reload.bind(this));
+ }
+
+ async _reload() {
+ let props;
+ try {
+ const result = await Gio.DBus.system.call(
+ this._BUS_NAME,
+ this._BUS_PATH,
+ this._BUS_PROPS_IFACE,
+ 'GetAll',
+ new GLib.Variant('(s)', [this._BUS_IFACE]),
+ null, Gio.DBusCallFlags.NONE, -1, null);
+ [props] = result.deep_unpack();
+ } catch (e) {
+ log('Could not get properties from %s'.format(this._BUS_NAME));
+ return;
+ }
+
+ const layouts = props['X11Layout'].unpack();
+ const variants = props['X11Variant'].unpack();
+ const options = props['X11Options'].unpack();
+
+ if (layouts !== this._layouts ||
+ variants !== this._variants) {
+ this._layouts = layouts;
+ this._variants = variants;
+ this._emitInputSourcesChanged();
+ }
+ if (options !== this._options) {
+ this._options = options;
+ this._emitKeyboardOptionsChanged();
+ }
+ }
+
+ get inputSources() {
+ let sourcesList = [];
+ let layouts = this._layouts.split(',');
+ let variants = this._variants.split(',');
+
+ for (let i = 0; i < layouts.length && !!layouts[i]; i++) {
+ let id = layouts[i];
+ if (variants[i])
+ id += '+%s'.format(variants[i]);
+ sourcesList.push({ type: INPUT_SOURCE_TYPE_XKB, id });
+ }
+ return sourcesList;
+ }
+
+ get keyboardOptions() {
+ return this._options.split(',');
+ }
+};
+
+var InputSourceSessionSettings = class extends InputSourceSettings {
+ constructor() {
+ super();
+
+ this._DESKTOP_INPUT_SOURCES_SCHEMA = 'org.gnome.desktop.input-sources';
+ this._KEY_INPUT_SOURCES = 'sources';
+ this._KEY_MRU_SOURCES = 'mru-sources';
+ this._KEY_KEYBOARD_OPTIONS = 'xkb-options';
+ this._KEY_PER_WINDOW = 'per-window';
+
+ this._settings = new Gio.Settings({ schema_id: this._DESKTOP_INPUT_SOURCES_SCHEMA });
+ this._settings.connect('changed::%s'.format(this._KEY_INPUT_SOURCES), this._emitInputSourcesChanged.bind(this));
+ this._settings.connect('changed::%s'.format(this._KEY_KEYBOARD_OPTIONS), this._emitKeyboardOptionsChanged.bind(this));
+ this._settings.connect('changed::%s'.format(this._KEY_PER_WINDOW), this._emitPerWindowChanged.bind(this));
+ }
+
+ _getSourcesList(key) {
+ let sourcesList = [];
+ let sources = this._settings.get_value(key);
+ let nSources = sources.n_children();
+
+ for (let i = 0; i < nSources; i++) {
+ let [type, id] = sources.get_child_value(i).deep_unpack();
+ sourcesList.push({ type, id });
+ }
+ return sourcesList;
+ }
+
+ get inputSources() {
+ return this._getSourcesList(this._KEY_INPUT_SOURCES);
+ }
+
+ get mruSources() {
+ return this._getSourcesList(this._KEY_MRU_SOURCES);
+ }
+
+ set mruSources(sourcesList) {
+ let sources = GLib.Variant.new('a(ss)', sourcesList);
+ this._settings.set_value(this._KEY_MRU_SOURCES, sources);
+ }
+
+ get keyboardOptions() {
+ return this._settings.get_strv(this._KEY_KEYBOARD_OPTIONS);
+ }
+
+ get perWindow() {
+ return this._settings.get_boolean(this._KEY_PER_WINDOW);
+ }
+};
+
+var InputSourceManager = class {
+ constructor() {
+ // 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._mruSourcesBackup = null;
+ this._keybindingAction =
+ Main.wm.addKeybinding('switch-input-source',
+ new Gio.Settings({ schema_id: "org.gnome.desktop.wm.keybindings" }),
+ Meta.KeyBindingFlags.NONE,
+ Shell.ActionMode.ALL,
+ this._switchInputSource.bind(this));
+ this._keybindingActionBackward =
+ Main.wm.addKeybinding('switch-input-source-backward',
+ new Gio.Settings({ schema_id: "org.gnome.desktop.wm.keybindings" }),
+ Meta.KeyBindingFlags.IS_REVERSED,
+ Shell.ActionMode.ALL,
+ this._switchInputSource.bind(this));
+ if (Main.sessionMode.isGreeter)
+ this._settings = new InputSourceSystemSettings();
+ else
+ this._settings = new InputSourceSessionSettings();
+ this._settings.connect('input-sources-changed', this._inputSourcesChanged.bind(this));
+ this._settings.connect('keyboard-options-changed', this._keyboardOptionsChanged.bind(this));
+
+ this._xkbInfo = KeyboardManager.getXkbInfo();
+ this._keyboardManager = KeyboardManager.getKeyboardManager();
+
+ this._ibusReady = false;
+ this._ibusManager = IBusManager.getIBusManager();
+ this._ibusManager.connect('ready', this._ibusReadyCallback.bind(this));
+ this._ibusManager.connect('properties-registered', this._ibusPropertiesRegistered.bind(this));
+ this._ibusManager.connect('property-updated', this._ibusPropertyUpdated.bind(this));
+ this._ibusManager.connect('set-content-type', this._ibusSetContentType.bind(this));
+
+ global.display.connect('modifiers-accelerator-activated', this._modifiersSwitcher.bind(this));
+
+ this._sourcesPerWindow = false;
+ this._focusWindowNotifyId = 0;
+ this._overviewShowingId = 0;
+ this._overviewHiddenId = 0;
+ this._settings.connect('per-window-changed', this._sourcesPerWindowChanged.bind(this));
+ this._sourcesPerWindowChanged();
+ this._disableIBus = false;
+ this._reloading = false;
+ }
+
+ reload() {
+ this._reloading = true;
+ this._keyboardManager.setKeyboardOptions(this._settings.keyboardOptions);
+ this._inputSourcesChanged();
+ this._reloading = false;
+ }
+
+ _ibusReadyCallback(im, ready) {
+ if (this._ibusReady == ready)
+ return;
+
+ this._ibusReady = ready;
+ this._mruSources = [];
+ this._inputSourcesChanged();
+ }
+
+ _modifiersSwitcher() {
+ let sourceIndexes = Object.keys(this._inputSources);
+ if (sourceIndexes.length == 0) {
+ KeyboardManager.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(true);
+ return true;
+ }
+
+ _switchInputSource(display, 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.actionMode == Shell.ActionMode.POPUP) {
+ this._modifiersSwitcher();
+ return;
+ }
+
+ let popup = new InputSourcePopup(this._mruSources, this._keybindingAction, this._keybindingActionBackward);
+ if (!popup.show(binding.is_reversed(), binding.get_name(), binding.get_mask()))
+ popup.fadeAndDestroy();
+ }
+
+ _keyboardOptionsChanged() {
+ this._keyboardManager.setKeyboardOptions(this._settings.keyboardOptions);
+ this._keyboardManager.reapply();
+ }
+
+ _updateMruSettings() {
+ // If IBus is not ready we don't have a full picture of all
+ // the available sources, so don't update the setting
+ if (!this._ibusReady)
+ return;
+
+ // If IBus is temporarily disabled, don't update the setting
+ if (this._disableIBus)
+ return;
+
+ let sourcesList = [];
+ for (let i = 0; i < this._mruSources.length; ++i) {
+ let source = this._mruSources[i];
+ sourcesList.push([source.type, source.id]);
+ }
+
+ this._settings.mruSources = sourcesList;
+ }
+
+ _currentInputSourceChanged(newSource) {
+ let oldSource;
+ [oldSource, this._currentSource] = [this._currentSource, newSource];
+
+ this.emit('current-source-changed', oldSource);
+
+ 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();
+ }
+
+ activateInputSource(is, interactive) {
+ // The focus changes during holdKeyboard/releaseKeyboard may trick
+ // the client into hiding UI containing the currently focused entry.
+ // So holdKeyboard/releaseKeyboard are not called when
+ // 'set-content-type' signal is received.
+ // E.g. Focusing on a password entry in a popup in Xorg Firefox
+ // will emit 'set-content-type' signal.
+ // https://gitlab.gnome.org/GNOME/gnome-shell/issues/391
+ if (!this._reloading)
+ KeyboardManager.holdKeyboard();
+ this._keyboardManager.apply(is.xkbId);
+
+ // All the "xkb:..." IBus engines simply "echo" back symbols,
+ // despite their naming implying differently, so we always set
+ // one in order for XIM applications to work given that we set
+ // XMODIFIERS=@im=ibus in the first place so that they can
+ // work without restarting when/if the user adds an IBus input
+ // source.
+ let engine;
+ if (is.type == INPUT_SOURCE_TYPE_IBUS)
+ engine = is.id;
+ else
+ engine = 'xkb:us::eng';
+
+ if (!this._reloading)
+ this._ibusManager.setEngine(engine, KeyboardManager.releaseKeyboard);
+ else
+ this._ibusManager.setEngine(engine);
+ this._currentInputSourceChanged(is);
+
+ if (interactive)
+ this._updateMruSettings();
+ }
+
+ _updateMruSources() {
+ let sourcesList = [];
+ for (let i in this._inputSources)
+ sourcesList.push(this._inputSources[i]);
+
+ this._keyboardManager.setUserLayouts(sourcesList.map(x => x.xkbId));
+
+ if (!this._disableIBus && this._mruSourcesBackup) {
+ this._mruSources = this._mruSourcesBackup;
+ this._mruSourcesBackup = null;
+ }
+
+ // Initialize from settings when we have no MRU sources list
+ if (this._mruSources.length == 0) {
+ let mruSettings = this._settings.mruSources;
+ for (let i = 0; i < mruSettings.length; i++) {
+ let mruSettingSource = mruSettings[i];
+ let mruSource = null;
+
+ for (let j = 0; j < sourcesList.length; j++) {
+ let source = sourcesList[j];
+ if (source.type == mruSettingSource.type &&
+ source.id == mruSettingSource.id) {
+ mruSource = source;
+ break;
+ }
+ }
+
+ if (mruSource)
+ this._mruSources.push(mruSource);
+ }
+ }
+
+ 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);
+ }
+
+ _inputSourcesChanged() {
+ let sources = this._settings.inputSources;
+ let nSources = sources.length;
+
+ this._currentSource = null;
+ this._inputSources = {};
+ this._ibusSources = {};
+
+ let infosList = [];
+ for (let i = 0; i < nSources; i++) {
+ let displayName;
+ let shortName;
+ let type = sources[i].type;
+ let id = sources[i].id;
+ 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) {
+ if (this._disableIBus)
+ continue;
+ 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)
+ infosList.push({ type, id, displayName, shortName });
+ }
+
+ if (infosList.length == 0) {
+ let type = INPUT_SOURCE_TYPE_XKB;
+ let id = KeyboardManager.DEFAULT_LAYOUT;
+ let [, displayName, shortName] = this._xkbInfo.get_layout_info(id);
+ infosList.push({ type, id, displayName, shortName });
+ }
+
+ let inputSourcesByShortName = {};
+ for (let i = 0; i < infosList.length; i++) {
+ let is = new InputSource(infosList[i].type,
+ infosList[i].id,
+ infosList[i].displayName,
+ infosList[i].shortName,
+ i);
+ is.connect('activate', this.activateInputSource.bind(this));
+
+ 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;
+ }
+
+ 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.emit('sources-changed');
+
+ this._updateMruSources();
+
+ if (this._mruSources.length > 0)
+ this._mruSources[0].activate(false);
+
+ // All ibus engines are preloaded here to reduce the launching time
+ // when users switch the input sources.
+ this._ibusManager.preloadEngines(Object.keys(this._ibusSources));
+ }
+
+ _makeEngineShortName(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(im, engineName, props) {
+ let source = this._ibusSources[engineName];
+ if (!source)
+ return;
+
+ source.properties = props;
+
+ if (source == this._currentSource)
+ this.emit('current-source-changed', null);
+ }
+
+ _ibusPropertyUpdated(im, engineName, prop) {
+ let source = this._ibusSources[engineName];
+ if (!source)
+ return;
+
+ if (this._updateSubProperty(source.properties, prop) &&
+ source == this._currentSource)
+ this.emit('current-source-changed', null);
+ }
+
+ _updateSubProperty(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;
+ }
+
+ _ibusSetContentType(im, purpose, _hints) {
+ if (purpose == IBus.InputPurpose.PASSWORD) {
+ if (Object.keys(this._inputSources).length == Object.keys(this._ibusSources).length)
+ return;
+
+ if (this._disableIBus)
+ return;
+ this._disableIBus = true;
+ this._mruSourcesBackup = this._mruSources.slice();
+ } else {
+ if (!this._disableIBus)
+ return;
+ this._disableIBus = false;
+ }
+ this.reload();
+ }
+
+ _getNewInputSource(current) {
+ let sourceIndexes = Object.keys(this._inputSources);
+ if (sourceIndexes.length == 0)
+ return null;
+
+ if (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._inputSources[sourceIndexes[0]];
+ }
+
+ _getCurrentWindow() {
+ if (Main.overview.visible)
+ return Main.overview;
+ else
+ return global.display.focus_window;
+ }
+
+ _setPerWindowInputSource() {
+ let window = this._getCurrentWindow();
+ if (!window)
+ return;
+
+ if (!window._inputSources ||
+ window._inputSources !== this._inputSources) {
+ window._inputSources = this._inputSources;
+ window._currentSource = this._getNewInputSource(window._currentSource);
+ }
+
+ if (window._currentSource)
+ window._currentSource.activate(false);
+ }
+
+ _sourcesPerWindowChanged() {
+ this._sourcesPerWindow = this._settings.perWindow;
+
+ if (this._sourcesPerWindow && this._focusWindowNotifyId == 0) {
+ this._focusWindowNotifyId = global.display.connect('notify::focus-window',
+ this._setPerWindowInputSource.bind(this));
+ this._overviewShowingId = Main.overview.connect('showing',
+ this._setPerWindowInputSource.bind(this));
+ this._overviewHiddenId = Main.overview.connect('hidden',
+ this._setPerWindowInputSource.bind(this));
+ } 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(w => 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() {
+ if (!this._sourcesPerWindow)
+ return;
+
+ let window = this._getCurrentWindow();
+ if (!window)
+ return;
+
+ window._inputSources = this._inputSources;
+ window._currentSource = this._currentSource;
+ }
+
+ get currentSource() {
+ return this._currentSource;
+ }
+
+ get inputSources() {
+ return this._inputSources;
+ }
+};
+Signals.addSignalMethods(InputSourceManager.prototype);
+
+let _inputSourceManager = null;
+
+function getInputSourceManager() {
+ if (_inputSourceManager == null)
+ _inputSourceManager = new InputSourceManager();
+ return _inputSourceManager;
+}
+
+var InputSourceIndicatorContainer = GObject.registerClass(
+class InputSourceIndicatorContainer extends St.Widget {
+
+ vfunc_get_preferred_width(forHeight) {
+ // Here, and in vfunc_get_preferred_height, we need to query
+ // for the height of all children, but we ignore the results
+ // for those we don't actually display.
+ return this.get_children().reduce((maxWidth, child) => {
+ let width = child.get_preferred_width(forHeight);
+ return [Math.max(maxWidth[0], width[0]),
+ Math.max(maxWidth[1], width[1])];
+ }, [0, 0]);
+ }
+
+ vfunc_get_preferred_height(forWidth) {
+ return this.get_children().reduce((maxHeight, child) => {
+ let height = child.get_preferred_height(forWidth);
+ return [Math.max(maxHeight[0], height[0]),
+ Math.max(maxHeight[1], height[1])];
+ }, [0, 0]);
+ }
+
+ vfunc_allocate(box) {
+ this.set_allocation(box);
+
+ // translate box to (0, 0)
+ box.x2 -= box.x1;
+ box.x1 = 0;
+ box.y2 -= box.y1;
+ box.y1 = 0;
+
+ this.get_children().forEach(c => {
+ c.allocate_align_fill(box, 0.5, 0.5, false, false);
+ });
+ }
+});
+
+var InputSourceIndicator = GObject.registerClass(
+class InputSourceIndicator extends PanelMenu.Button {
+ _init() {
+ super._init(0.5, _("Keyboard"));
+
+ this.connect('destroy', this._onDestroy.bind(this));
+
+ this._menuItems = {};
+ this._indicatorLabels = {};
+
+ this._container = new InputSourceIndicatorContainer();
+
+ 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.add_child(this._hbox);
+
+ 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.menu.addMenuItem(new PopupMenu.PopupSeparatorMenuItem());
+ this._showLayoutItem = this.menu.addAction(_("Show Keyboard Layout"), this._showLayout.bind(this));
+
+ Main.sessionMode.connect('updated', this._sessionUpdated.bind(this));
+ this._sessionUpdated();
+
+ this._inputSourceManager = getInputSourceManager();
+ this._inputSourceManagerSourcesChangedId =
+ this._inputSourceManager.connect('sources-changed', this._sourcesChanged.bind(this));
+ this._inputSourceManagerCurrentSourceChangedId =
+ this._inputSourceManager.connect('current-source-changed', this._currentSourceChanged.bind(this));
+ this._inputSourceManager.reload();
+ }
+
+ _onDestroy() {
+ if (this._inputSourceManager) {
+ this._inputSourceManager.disconnect(this._inputSourceManagerSourcesChangedId);
+ this._inputSourceManager.disconnect(this._inputSourceManagerCurrentSourceChangedId);
+ this._inputSourceManager = null;
+ }
+ }
+
+ _sessionUpdated() {
+ // 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.visible = Main.sessionMode.allowSettings;
+ }
+
+ _sourcesChanged() {
+ for (let i in this._menuItems)
+ this._menuItems[i].destroy();
+ for (let i in this._indicatorLabels)
+ this._indicatorLabels[i].destroy();
+
+ this._menuItems = {};
+ this._indicatorLabels = {};
+
+ let menuIndex = 0;
+ for (let i in this._inputSourceManager.inputSources) {
+ let is = this._inputSourceManager.inputSources[i];
+
+ let menuItem = new LayoutMenuItem(is.displayName, is.shortName);
+ menuItem.connect('activate', () => is.activate(true));
+
+ let indicatorLabel = new St.Label({ text: is.shortName,
+ visible: false });
+
+ this._menuItems[i] = menuItem;
+ this._indicatorLabels[i] = indicatorLabel;
+ is.connect('changed', () => {
+ menuItem.indicator.set_text(is.shortName);
+ indicatorLabel.set_text(is.shortName);
+ });
+
+ this.menu.addMenuItem(menuItem, menuIndex++);
+ this._container.add_actor(indicatorLabel);
+ }
+ }
+
+ _currentSourceChanged(manager, oldSource) {
+ let nVisibleSources = Object.keys(this._inputSourceManager.inputSources).length;
+ let newSource = this._inputSourceManager.currentSource;
+
+ if (oldSource) {
+ this._menuItems[oldSource.index].setOrnament(PopupMenu.Ornament.NONE);
+ this._indicatorLabels[oldSource.index].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.hide();
+ return;
+ }
+
+ this.show();
+
+ this._buildPropSection(newSource.properties);
+
+ this._menuItems[newSource.index].setOrnament(PopupMenu.Ornament.DOT);
+ this._indicatorLabels[newSource.index].show();
+ }
+
+ _buildPropSection(properties) {
+ this._propSeparator.hide();
+ this._propSection.actor.hide();
+ this._propSection.removeAll();
+
+ this._buildPropSubMenu(this._propSection, properties);
+
+ if (!this._propSection.isEmpty()) {
+ this._propSection.actor.show();
+ this._propSeparator.show();
+ }
+ }
+
+ _buildPropSubMenu(menu, props) {
+ if (!props)
+ return;
+
+ let ibusManager = IBusManager.getIBusManager();
+ 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();
+
+ let currentSource = this._inputSourceManager.currentSource;
+ if (currentSource) {
+ let indicatorLabel = this._indicatorLabels[currentSource.index];
+ if (text && text.length > 0 && text.length < 3)
+ indicatorLabel.set_text(text);
+ }
+ }
+
+ let item;
+ let type = prop.get_prop_type();
+ switch (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', () => {
+ if (item.prop.get_state() == IBus.PropState.CHECKED)
+ return;
+
+ let group = item.radioGroup;
+ for (let j = 0; j < group.length; ++j) {
+ if (group[j] == item) {
+ item.setOrnament(PopupMenu.Ornament.DOT);
+ item.prop.set_state(IBus.PropState.CHECKED);
+ ibusManager.activateProperty(item.prop.get_key(),
+ IBus.PropState.CHECKED);
+ } else {
+ group[j].setOrnament(PopupMenu.Ornament.NONE);
+ group[j].prop.set_state(IBus.PropState.UNCHECKED);
+ ibusManager.activateProperty(group[j].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', () => {
+ if (item.state) {
+ item.prop.set_state(IBus.PropState.CHECKED);
+ ibusManager.activateProperty(item.prop.get_key(),
+ IBus.PropState.CHECKED);
+ } else {
+ item.prop.set_state(IBus.PropState.UNCHECKED);
+ 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', () => {
+ 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);
+ }
+ }
+
+ _showLayout() {
+ Main.overview.hide();
+
+ let source = this._inputSourceManager.currentSource;
+ let xkbLayout = '';
+ let xkbVariant = '';
+
+ if (source.type == INPUT_SOURCE_TYPE_XKB) {
+ [, , , xkbLayout, xkbVariant] = KeyboardManager.getXkbInfo().get_layout_info(source.id);
+ } else if (source.type == INPUT_SOURCE_TYPE_IBUS) {
+ let engineDesc = IBusManager.getIBusManager().getEngineDesc(source.id);
+ if (engineDesc) {
+ xkbLayout = engineDesc.get_layout();
+ xkbVariant = engineDesc.get_layout_variant();
+ }
+ }
+
+ if (!xkbLayout || xkbLayout.length == 0)
+ return;
+
+ let description = xkbLayout;
+ if (xkbVariant.length > 0)
+ description = '%s\t%s'.format(description, xkbVariant);
+
+ Util.spawn(['gkbd-keyboard-display', '-l', description]);
+ }
+});