// -*- mode: js; js-indent-level: 4; indent-tabs-mode: nil -*- const Atspi = imports.gi.Atspi; const Clutter = imports.gi.Clutter; const Gdk = imports.gi.Gdk; const Gio = imports.gi.Gio; const GLib = imports.gi.GLib; const Lang = imports.lang; const Meta = imports.gi.Meta; const Shell = imports.gi.Shell; const Signals = imports.signals; const St = imports.gi.St; const InputSourceManager = imports.ui.status.keyboard; const IBusManager = imports.misc.ibusManager; const BoxPointer = imports.ui.boxpointer; const Layout = imports.ui.layout; const Main = imports.ui.main; const PopupMenu = imports.ui.popupMenu; const Tweener = imports.ui.tweener; const Util = imports.misc.util; var KEYBOARD_REST_TIME = Layout.KEYBOARD_ANIMATION_TIME * 2 * 1000; var KEY_LONG_PRESS_TIME = 250; const A11Y_APPLICATIONS_SCHEMA = 'org.gnome.desktop.a11y.applications'; const SHOW_KEYBOARD = 'screen-keyboard-enabled'; /* KeyContainer puts keys in a grid where a 1:1 key takes this size */ const KEY_SIZE = 2; const defaultKeysPre = [ [ [], [], [{ width: 1.5, level: 1, extraClassName: 'shift-key-lowercase' }], [{ label: '?123', width: 1.5, level: 2 }] ], [ [], [], [{ width: 1.5, level: 0, extraClassName: 'shift-key-uppercase' }], [{ label: '?123', width: 1.5, level: 2 }] ], [ [], [], [{ label: '=/<', width: 1.5, level: 3 }], [{ label: 'ABC', width: 1.5, level: 0 }] ], [ [], [], [{ label: '?123', width: 1.5, level: 2 }], [{ label: 'ABC', width: 1.5, level: 0 }] ], ]; const defaultKeysPost = [ [ [{ label: '⌫', width: 1.5, keyval: Clutter.KEY_BackSpace }], [{ width: 2, keyval: Clutter.KEY_Return, extraClassName: 'enter-key' }], [{ width: 3, level: 1, right: true, extraClassName: 'shift-key-lowercase' }], [{ width: 1.5, action: 'languageMenu', extraClassName: 'layout-key' }, { width: 1.5, action: 'hide', extraClassName: 'hide-key' }] ], [ [{ label: '⌫', width: 1.5, keyval: Clutter.KEY_BackSpace }], [{ width: 2, keyval: Clutter.KEY_Return, extraClassName: 'enter-key' }], [{ width: 3, level: 0, right: true, extraClassName: 'shift-key-uppercase' }], [{ width: 1.5, action: 'languageMenu', extraClassName: 'layout-key' }, { width: 1.5, action: 'hide', extraClassName: 'hide-key' }] ], [ [{ label: '⌫', width: 1.5, keyval: Clutter.KEY_BackSpace }], [{ width: 2, keyval: Clutter.KEY_Return, extraClassName: 'enter-key' }], [{ label: '=/<', width: 3, level: 3, right: true }], [{ width: 1.5, action: 'languageMenu', extraClassName: 'layout-key' }, { width: 1.5, action: 'hide', extraClassName: 'hide-key' }] ], [ [{ label: '⌫', width: 1.5, keyval: Clutter.KEY_BackSpace }], [{ width: 2, keyval: Clutter.KEY_Return, extraClassName: 'enter-key' }], [{ label: '?123', width: 3, level: 2, right: true }], [{ width: 1.5, action: 'languageMenu', extraClassName: 'layout-key' }, { width: 1.5, action: 'hide', extraClassName: 'hide-key' }] ], ]; var KeyContainer = new Lang.Class({ Name: 'KeyContainer', Extends: St.Widget, _init() { let gridLayout = new Clutter.GridLayout({ orientation: Clutter.Orientation.HORIZONTAL, column_homogeneous: true, row_homogeneous: true }); this.parent({ layout_manager: gridLayout }); this._gridLayout = gridLayout; this._currentRow = 0; this._currentCol = 0; this._maxCols = 0; this._currentRow = null; this._rows = []; }, appendRow(length) { this._currentRow++; this._currentCol = 0; let row = new Object(); row.keys = []; row.width = 0; this._rows.push(row); }, appendKey(key, width = 1, height = 1) { let keyInfo = { key, left: this._currentCol, top: this._currentRow, width, height }; let row = this._rows[this._rows.length - 1]; row.keys.push(keyInfo); row.width += width; this._currentCol += width; this._maxCols = Math.max(this._currentCol, this._maxCols); }, vfunc_allocate(box, flags) { if (box.get_width() > 0 && box.get_height() > 0 && this._maxCols > 0) { let keyboardRatio = this._maxCols / this._rows.length; let sizeRatio = box.get_width() / box.get_height(); if (sizeRatio >= keyboardRatio) { /* Restrict horizontally */ let width = box.get_height() * keyboardRatio; let diff = box.get_width() - width; box.x1 += Math.floor(diff / 2); box.x2 -= Math.ceil(diff / 2); } else { /* Restrict vertically */ let height = box.get_width() / keyboardRatio; let diff = box.get_height() - height; box.y1 += Math.floor(diff / 2); box.y2 -= Math.floor(diff / 2); } } this.parent (box, flags); }, layoutButtons() { let nCol = 0, nRow = 0; for (let i = 0; i < this._rows.length; i++) { let row = this._rows[i]; /* When starting a new row, see if we need some padding */ if (nCol == 0) { let diff = this._maxCols - row.width; if (diff >= 1) nCol = diff * KEY_SIZE / 2; else nCol = diff * KEY_SIZE; } for (let j = 0; j < row.keys.length; j++) { let keyInfo = row.keys[j]; let width = keyInfo.width * KEY_SIZE; let height = keyInfo.height * KEY_SIZE; this._gridLayout.attach(keyInfo.key, nCol, nRow, width, height); nCol += width; } nRow += KEY_SIZE; nCol = 0; } } }); var Suggestions = new Lang.Class({ Name: 'Suggestions', _init() { this.actor = new St.BoxLayout({ style_class: 'word-suggestions', vertical: false }); this.actor.show(); }, add(word, callback) { let button = new St.Button({ label: word }); button.connect('clicked', callback); this.actor.add(button); }, clear() { this.actor.remove_all_children(); }, }); Signals.addSignalMethods(Suggestions.prototype); var LanguageSelectionPopup = new Lang.Class({ Name: 'LanguageSelectionPopup', Extends: PopupMenu.PopupMenu, _init(actor) { this.parent(actor, 0.5, St.Side.BOTTOM); let inputSourceManager = InputSourceManager.getInputSourceManager(); let inputSources = inputSourceManager.inputSources; for (let i in inputSources) { let is = inputSources[i]; this.addAction(is.displayName, () => { inputSourceManager.activateInputSource(is, true); }); } this.addMenuItem(new PopupMenu.PopupSeparatorMenuItem()); this.addAction(_("Region & Language Settings"), this._launchSettings.bind(this)); this._capturedEventId = 0; this._unmapId = actor.connect('notify::mapped', () => { if (!actor.is_mapped()) this.close(true); }); }, _launchSettings() { Util.spawn(['gnome-control-center', 'region']); this.close(true); }, _onCapturedEvent(actor, event) { if (event.get_source() == this.actor || this.actor.contains(event.get_source())) return Clutter.EVENT_PROPAGATE; if (event.type() == Clutter.EventType.BUTTON_RELEASE || event.type() == Clutter.EventType.TOUCH_END) this.close(true); return Clutter.EVENT_STOP; }, open(animate) { this.parent(animate); this._capturedEventId = global.stage.connect('captured-event', this._onCapturedEvent.bind(this)); }, close(animate) { this.parent(animate); if (this._capturedEventId != 0) { global.stage.disconnect(this._capturedEventId); this._capturedEventId = 0; } }, destroy() { if (this._capturedEventId != 0) global.stage.disconnect(this._capturedEventId); if (this._unmapId != 0) this.sourceActor.disconnect(this._unmapId); this.parent(); }, }); var Key = new Lang.Class({ Name: 'Key', _init(key, extendedKeys) { this.key = key || ""; this.keyButton = this._makeKey(this.key); /* Add the key in a container, so keys can be padded without losing * logical proportions between those. */ this.actor = new St.BoxLayout ({ style_class: 'key-container' }); this.actor.add(this.keyButton, { expand: true, x_fill: true }); this.actor.connect('destroy', this._onDestroy.bind(this)); this._extended_keys = extendedKeys; this._extended_keyboard = null; this._pressTimeoutId = 0; this._capturedPress = false; this._capturedEventId = 0; this._unmapId = 0; this._longPress = false; }, _onDestroy() { if (this._boxPointer) { this._boxPointer.actor.destroy(); this._boxPointer = null; } }, _ensureExtendedKeysPopup() { if (this._extended_keys.length == 0) return; this._boxPointer = new BoxPointer.BoxPointer(St.Side.BOTTOM, { x_fill: true, y_fill: true, x_align: St.Align.START }); this._boxPointer.actor.hide(); Main.layoutManager.addChrome(this._boxPointer.actor); this._boxPointer.setPosition(this.keyButton, 0.5); // Adds style to existing keyboard style to avoid repetition this._boxPointer.actor.add_style_class_name('keyboard-subkeys'); this._getExtendedKeys(); this.keyButton._extended_keys = this._extended_keyboard; }, _getKeyval(key) { let unicode = String.charCodeAt(key, 0); return Gdk.unicode_to_keyval(unicode); }, _press(key) { if (key != this.key || this._extended_keys.length == 0) { this.emit('pressed', this._getKeyval(key), key); } if (key == this.key) { this._pressTimeoutId = GLib.timeout_add(GLib.PRIORITY_DEFAULT, KEY_LONG_PRESS_TIME, () => { this._longPress = true; this._pressTimeoutId = 0; this.emit('long-press'); if (this._extended_keys.length > 0) { this._touchPressed = false; this.keyButton.set_hover(false); this.keyButton.fake_release(); this._ensureExtendedKeysPopup(); this._showSubkeys(); } return GLib.SOURCE_REMOVE; }); } }, _release(key) { if (this._pressTimeoutId != 0) { GLib.source_remove(this._pressTimeoutId); this._pressTimeoutId = 0; } if (!this._longPress && key == this.key && this._extended_keys.length > 0) this.emit('pressed', this._getKeyval(key), key); this.emit('released', this._getKeyval(key), key); this._hideSubkeys(); this._longPress = false; }, _onCapturedEvent(actor, event) { let type = event.type(); let press = (type == Clutter.EventType.BUTTON_PRESS || type == Clutter.EventType.TOUCH_BEGIN); let release = (type == Clutter.EventType.BUTTON_RELEASE || type == Clutter.EventType.TOUCH_END); if (event.get_source() == this._boxPointer.bin || this._boxPointer.bin.contains(event.get_source())) return Clutter.EVENT_PROPAGATE; if (press) this._capturedPress = true; else if (release && this._capturedPress) this._hideSubkeys(); return Clutter.EVENT_STOP; }, _showSubkeys() { this._boxPointer.show(BoxPointer.PopupAnimation.FULL); this._capturedEventId = global.stage.connect('captured-event', this._onCapturedEvent.bind(this)); this._unmapId = this.keyButton.connect('notify::mapped', () => { if (!this.keyButton.is_mapped()) this._hideSubkeys(); }); }, _hideSubkeys() { if (this._boxPointer) this._boxPointer.hide(BoxPointer.PopupAnimation.FULL); if (this._capturedEventId) { global.stage.disconnect(this._capturedEventId); this._capturedEventId = 0; } if (this._unmapId) { this.keyButton.disconnect(this._unmapId); this._unmapId = 0; } this._capturedPress = false; }, _makeKey(key) { let label = GLib.markup_escape_text(key, -1); let button = new St.Button ({ label: label, style_class: 'keyboard-key' }); button.keyWidth = 1; button.connect('button-press-event', () => { this._press(key); return Clutter.EVENT_PROPAGATE; }); button.connect('button-release-event', () => { this._release(key); return Clutter.EVENT_PROPAGATE; }); button.connect('touch-event', (actor, event) => { let device = event.get_device(); let sequence = event.get_event_sequence(); // We only handle touch events here on wayland. On X11 // we do get emulated pointer events, which already works // for single-touch cases. Besides, the X11 passive touch grab // set up by Mutter will make us see first the touch events // and later the pointer events, so it will look like two // unrelated series of events, we want to avoid double handling // in these cases. if (!Meta.is_wayland_compositor()) return Clutter.EVENT_PROPAGATE; if (!this._touchPressed && event.type() == Clutter.EventType.TOUCH_BEGIN) { device.sequence_grab(sequence, actor); this._touchPressed = true; this._press(key); } else if (this._touchPressed && event.type() == Clutter.EventType.TOUCH_END && device.sequence_get_grabbed_actor(sequence) == actor) { device.sequence_ungrab(sequence); this._touchPressed = false; this._release(key); } return Clutter.EVENT_PROPAGATE; }); return button; }, _getExtendedKeys() { this._extended_keyboard = new St.BoxLayout({ style_class: 'key-container', vertical: false }); for (let i = 0; i < this._extended_keys.length; ++i) { let extendedKey = this._extended_keys[i]; let key = this._makeKey(extendedKey); key.extended_key = extendedKey; this._extended_keyboard.add(key); key.width = this.keyButton.width; key.height = this.keyButton.height; } this._boxPointer.bin.add_actor(this._extended_keyboard); }, get subkeys() { return this._boxPointer; }, setWidth(width) { this.keyButton.keyWidth = width; }, setLatched(latched) { if (latched) this.keyButton.add_style_pseudo_class('latched'); else this.keyButton.remove_style_pseudo_class('latched'); }, }); Signals.addSignalMethods(Key.prototype); var KeyboardModel = new Lang.Class({ Name: 'KeyboardModel', _init(groupName) { try { this._model = this._loadModel(groupName); } catch (e) { this._model = this._loadModel('us'); } }, _loadModel(groupName) { let file = Gio.File.new_for_uri('resource:///org/gnome/shell/osk-layouts/%s.json'.format(groupName)); let [success, contents] = file.load_contents(null); return JSON.parse(contents); }, getLevels() { return this._model.levels; }, getKeysForLevel(levelName) { return this._model.levels.find(level => level == levelName); } }); var FocusTracker = new Lang.Class({ Name: 'FocusTracker', _init() { this._currentWindow = null; this._currentWindowPositionId = 0; global.screen.get_display().connect('notify::focus-window', () => { this._setCurrentWindow(global.screen.get_display().focus_window); this.emit('window-changed', this._currentWindow); }); /* Valid for wayland clients */ Main.inputMethod.connect('cursor-location-changed', (o, rect) => { let newRect = { x: rect.get_x(), y: rect.get_y(), width: rect.get_width(), height: rect.get_height() }; this._setCurrentRect(newRect); }); this._ibusManager = IBusManager.getIBusManager(); this._ibusManager.connect('set-cursor-location', (manager, rect) => { /* Valid for X11 clients only */ if (Main.inputMethod.currentFocus) return; this._setCurrentRect(rect); }); }, get currentWindow() { return this._currentWindow; }, _setCurrentWindow(window) { if (this._currentWindow) this._currentWindow.disconnect(this._currentWindowPositionId); this._currentWindow = window; if (window) { this._currentWindowPositionId = this._currentWindow.connect('position-changed', () => { if (global.display.get_grab_op() == Meta.GrabOp.NONE) this.emit('position-changed'); else this.emit('reset'); }); } }, _setCurrentRect(rect) { let frameRect = this._currentWindow.get_frame_rect(); rect.x -= frameRect.x; rect.y -= frameRect.y; this._rect = rect; this.emit('position-changed'); }, getCurrentRect() { let frameRect = this._currentWindow.get_frame_rect(); let rect = { x: this._rect.x + frameRect.x, y: this._rect.y + frameRect.y, width: this._rect.width, height: this._rect.height }; return rect; } }); Signals.addSignalMethods(FocusTracker.prototype); var Keyboard = new Lang.Class({ Name: 'Keyboard', _init() { this.actor = null; this._focusInExtendedKeys = false; this._languagePopup = null; this._currentFocusWindow = null; this._animFocusedWindow = null; this._delayedAnimFocusWindow = null; this._enableKeyboard = false; // a11y settings value this._enabled = false; // enabled state (by setting or device type) this._latched = false; // current level is latched this._a11yApplicationsSettings = new Gio.Settings({ schema_id: A11Y_APPLICATIONS_SCHEMA }); this._a11yApplicationsSettings.connect('changed', this._syncEnabled.bind(this)); this._lastDeviceId = null; this._suggestions = null; this._focusTracker = new FocusTracker(); this._focusTracker.connect('position-changed', this._onFocusPositionChanged.bind(this)); this._focusTracker.connect('reset', () => { this._delayedAnimFocusWindow = null; this._animFocusedWindow = null; this._oskFocusWindow = null; }); Meta.get_backend().connect('last-device-changed', (backend, deviceId) => { let manager = Clutter.DeviceManager.get_default(); let device = manager.get_device(deviceId); if (device.get_device_name().indexOf('XTEST') < 0) { this._lastDeviceId = deviceId; this._syncEnabled(); } }); this._syncEnabled(); this._showIdleId = 0; this._keyboardVisible = false; Main.layoutManager.connect('keyboard-visible-changed', (o, visible) => { this._keyboardVisible = visible; }); this._keyboardRequested = false; this._keyboardRestingId = 0; Main.layoutManager.connect('monitors-changed', this._relayout.bind(this)); }, get visible() { return this._keyboardVisible; }, _onFocusPositionChanged(focusTracker) { let rect = focusTracker.getCurrentRect(); this.setCursorLocation(focusTracker.currentWindow, rect.x, rect.y, rect.width, rect.height); }, _lastDeviceIsTouchscreen() { if (!this._lastDeviceId) return false; let manager = Clutter.DeviceManager.get_default(); let device = manager.get_device(this._lastDeviceId); if (!device) return false; return device.get_device_type() == Clutter.InputDeviceType.TOUCHSCREEN_DEVICE; }, _syncEnabled() { let wasEnabled = this._enabled; this._enableKeyboard = this._a11yApplicationsSettings.get_boolean(SHOW_KEYBOARD); this._enabled = this._enableKeyboard || this._lastDeviceIsTouchscreen(); if (!this._enabled && !this._keyboardController) return; if (this._enabled && !this._keyboardController) this._setupKeyboard(); else if (!this._enabled) this.setCursorLocation(null); if (!this._enabled && wasEnabled) Main.layoutManager.hideKeyboard(true); }, _destroyKeyboard() { if (this._keyboardNotifyId) this._keyboardController.disconnect(this._keyboardNotifyId); if (this._keyboardGroupsChangedId) this._keyboardController.disconnect(this._keyboardGroupsChangedId); if (this._keyboardStateId) this._keyboardController.disconnect(this._keyboardStateId); if (this._focusNotifyId) global.stage.disconnect(this._focusNotifyId); this._keyboard = null; this.actor.destroy(); this.actor = null; if (this._languagePopup) { this._languagePopup.destroy(); this._languagePopup = null; } }, _setupKeyboard() { this.actor = new St.BoxLayout({ name: 'keyboard', vertical: true, reactive: true }); Main.layoutManager.keyboardBox.add_actor(this.actor); Main.layoutManager.trackChrome(this.actor); this._keyboardController = new KeyboardController(); this._groups = {}; this._current_page = null; this._suggestions = new Suggestions(); this._suggestions.connect('suggestion-clicked', (suggestions, str) => { this._keyboardController.commitString(str); }); this.actor.add(this._suggestions.actor, { x_align: St.Align.MIDDLE, x_fill: false }); this._ensureKeysForGroup(this._keyboardController.getCurrentGroup()); this._setActiveLayer(0); // Keyboard models are defined in LTR, we must override // the locale setting in order to avoid flipping the // keyboard on RTL locales. this.actor.text_direction = Clutter.TextDirection.LTR; this._keyboardNotifyId = this._keyboardController.connect('active-group', this._onGroupChanged.bind(this)); this._keyboardGroupsChangedId = this._keyboardController.connect('groups-changed', this._onKeyboardGroupsChanged.bind(this)); this._keyboardStateId = this._keyboardController.connect('panel-state', this._onKeyboardStateChanged.bind(this)); this._focusNotifyId = global.stage.connect('notify::key-focus', this._onKeyFocusChanged.bind(this)); this._relayout(); }, _onKeyFocusChanged() { let focus = global.stage.key_focus; // Showing an extended key popup and clicking a key from the extended keys // will grab focus, but ignore that let extendedKeysWereFocused = this._focusInExtendedKeys; this._focusInExtendedKeys = focus && (focus._extended_keys || focus.extended_key); if (this._focusInExtendedKeys || extendedKeysWereFocused) return; let time = global.get_current_time(); if (!(focus instanceof Clutter.Text)) { this.hide(); return; } if (!this._showIdleId) { this._showIdleId = GLib.idle_add(GLib.PRIORITY_DEFAULT_IDLE, () => { this.show(Main.layoutManager.focusIndex); return GLib.SOURCE_REMOVE; }); GLib.Source.set_name_by_id(this._showIdleId, '[gnome-shell] this.show'); } }, _createLayersForGroup(groupName) { let keyboardModel = new KeyboardModel(groupName); let layers = {}; let levels = keyboardModel.getLevels(); for (let i = 0; i < levels.length; i++) { let currentLevel = levels[i]; /* There are keyboard maps which consist of 3 levels (no uppercase, * basically). We however make things consistent by skipping that * second level. */ let level = (i >= 1 && levels.length == 3) ? i + 1 : i; let layout = new KeyContainer(); layout.shiftKeys = []; this._loadRows(currentLevel, level, levels.length, layout); layers[level] = layout; this.actor.add(layout, { expand: true }); layout.layoutButtons(); layout.hide(); } return layers; }, _ensureKeysForGroup(group) { if (!this._groups[group]) this._groups[group] = this._createLayersForGroup(group); }, _addRowKeys(keys, layout) { for (let i = 0; i < keys.length; ++i) { let key = keys[i]; let button = new Key(key.shift(), key); /* Space key gets special width, dependent on the number of surrounding keys */ if (button.key == ' ') button.setWidth(keys.length <= 3 ? 5 : 3); button.connect('pressed', (actor, keyval, str) => { if (!Main.inputMethod.currentFocus || !this._keyboardController.commitString(str, true)) { if (keyval != 0) { this._keyboardController.keyvalPress(keyval); button._keyvalPress = true; } } }); button.connect('released', (actor, keyval, str) => { if (keyval != 0) { if (button._keyvalPress) this._keyboardController.keyvalRelease(keyval); button._keyvalPress = false; } if (!this._latched) this._setActiveLayer(0); }); layout.appendKey(button.actor, button.keyButton.keyWidth); } }, _popupLanguageMenu(keyActor) { if (this._languagePopup) this._languagePopup.destroy(); this._languagePopup = new LanguageSelectionPopup(keyActor); Main.layoutManager.addChrome(this._languagePopup.actor); this._languagePopup.open(true); }, _loadDefaultKeys(keys, layout, numLevels, numKeys) { let extraButton; for (let i = 0; i < keys.length; i++) { let key = keys[i]; let keyval = key.keyval; let switchToLevel = key.level; let action = key.action; extraButton = new Key(key.label, []); extraButton.keyButton.add_style_class_name('default-key'); if (key.extraClassName != null) extraButton.keyButton.add_style_class_name(key.extraClassName); if (key.width != null) extraButton.setWidth(key.width); let actor = extraButton.keyButton; extraButton.connect('pressed', () => { if (switchToLevel != null) { this._setActiveLayer(switchToLevel); // Shift only gets latched on long press this._latched = (switchToLevel != 1); } else if (keyval != null) { this._keyboardController.keyvalPress(keyval); } }); extraButton.connect('released', () => { if (keyval != null) this._keyboardController.keyvalRelease(keyval); else if (action == 'hide') this.hide(); else if (action == 'languageMenu') this._popupLanguageMenu(actor); }); if (switchToLevel == 0) { layout.shiftKeys.push(extraButton); } else if (switchToLevel == 1) { extraButton.connect('long-press', () => { this._latched = true; this._setCurrentLevelLatched(this._current_page, this._latched); }); } /* Fixup default keys based on the number of levels/keys */ if (switchToLevel == 1 && numLevels == 3) { // Hide shift key if the keymap has no uppercase level if (key.right) { /* Only hide the key actor, so the container still takes space */ extraButton.keyButton.hide(); } else { extraButton.actor.hide(); } extraButton.setWidth(1.5); } else if (key.right && numKeys > 8) { extraButton.setWidth(2); } else if (keyval == Clutter.KEY_Return && numKeys > 9) { extraButton.setWidth(1.5); } layout.appendKey(extraButton.actor, extraButton.keyButton.keyWidth); } }, _setCurrentLevelLatched(layout, latched) { for (let i = 0; layout.shiftKeys[i]; i++) { let key = layout.shiftKeys[i]; key.setLatched(latched); } }, _getDefaultKeysForRow(row, numRows, level) { let pre, post; /* The first 2 rows in defaultKeysPre/Post belong together with * the first 2 rows on each keymap. On keymaps that have more than * 4 rows, the last 2 default key rows must be respectively * assigned to the 2 last keymap ones. */ if (row < 2) { return [defaultKeysPre[level][row], defaultKeysPost[level][row]]; } else if (row >= numRows - 2) { let defaultRow = row - (numRows - 2) + 2; return [defaultKeysPre[level][defaultRow], defaultKeysPost[level][defaultRow]]; } else { return [null, null]; } }, _mergeRowKeys(layout, pre, row, post, numLevels) { if (pre != null) this._loadDefaultKeys(pre, layout, numLevels, row.length); this._addRowKeys(row, layout); if (post != null) this._loadDefaultKeys(post, layout, numLevels, row.length); }, _loadRows(model, level, numLevels, layout) { let rows = model.rows; for (let i = 0; i < rows.length; ++i) { layout.appendRow(); let [pre, post] = this._getDefaultKeysForRow(i, rows.length, level); this._mergeRowKeys (layout, pre, rows[i], post, numLevels); } }, _getGridSlots() { let numOfHorizSlots = 0, numOfVertSlots; let rows = this._current_page.get_children(); numOfVertSlots = rows.length; for (let i = 0; i < rows.length; ++i) { let keyboard_row = rows[i]; let keys = keyboard_row.get_children(); numOfHorizSlots = Math.max(numOfHorizSlots, keys.length); } return [numOfHorizSlots, numOfVertSlots]; }, _relayout() { if (this.actor == null) return; let monitor = Main.layoutManager.keyboardMonitor; let maxHeight = monitor.height / 3; this.actor.width = monitor.width; this.actor.height = maxHeight; }, _onGroupChanged() { this._ensureKeysForGroup(this._keyboardController.getCurrentGroup()); this._setActiveLayer(0); }, _onKeyboardGroupsChanged(keyboard) { this._groups = []; this._onGroupChanged(); }, _onKeyboardStateChanged(controller, state) { let enabled; if (state == Clutter.InputPanelState.OFF) enabled = false; else if (state == Clutter.InputPanelState.ON) enabled = true; else if (state == Clutter.InputPanelState.TOGGLE) enabled = (this._keyboardVisible == false); else return; if (enabled) this.show(Main.layoutManager.focusIndex); else this.hide(); }, _setActiveLayer(activeLevel) { let activeGroupName = this._keyboardController.getCurrentGroup(); let layers = this._groups[activeGroupName]; if (this._current_page != null) { this._setCurrentLevelLatched(this._current_page, false); this._current_page.hide(); } this._current_page = layers[activeLevel]; this._current_page.show(); }, shouldTakeEvent(event) { let actor = event.get_source(); return Main.layoutManager.keyboardBox.contains(actor) || !!actor._extended_keys || !!actor.extended_key; }, _clearKeyboardRestTimer() { if (!this._keyboardRestingId) return; GLib.source_remove(this._keyboardRestingId); this._keyboardRestingId = 0; }, show(monitor) { if (!this._enabled) return; this._clearShowIdle(); this._keyboardRequested = true; if (this._keyboardVisible) { if (monitor != Main.layoutManager.keyboardIndex) { Main.layoutManager.keyboardIndex = monitor; this._relayout(); } return; } this._clearKeyboardRestTimer(); this._keyboardRestingId = GLib.timeout_add(GLib.PRIORITY_DEFAULT, KEYBOARD_REST_TIME, () => { this._clearKeyboardRestTimer(); this._show(monitor); return GLib.SOURCE_REMOVE; }); GLib.Source.set_name_by_id(this._keyboardRestingId, '[gnome-shell] this._clearKeyboardRestTimer'); }, _show(monitor) { if (!this._keyboardRequested) return; Main.layoutManager.keyboardIndex = monitor; this._relayout(); Main.layoutManager.showKeyboard(); if (this._delayedAnimFocusWindow) { this._setAnimationWindow(this._delayedAnimFocusWindow); this._delayedAnimFocusWindow = null; } }, hide() { if (!this._enabled) return; this._clearShowIdle(); this._keyboardRequested = false; if (!this._keyboardVisible) return; this._clearKeyboardRestTimer(); this._keyboardRestingId = GLib.timeout_add(GLib.PRIORITY_DEFAULT, KEYBOARD_REST_TIME, () => { this._clearKeyboardRestTimer(); this._hide(); return GLib.SOURCE_REMOVE; }); GLib.Source.set_name_by_id(this._keyboardRestingId, '[gnome-shell] this._clearKeyboardRestTimer'); }, _hide() { if (this._keyboardRequested) return; Main.layoutManager.hideKeyboard(); this.setCursorLocation(null); }, _hideSubkeys() { if (this._subkeysBoxPointer) { this._subkeysBoxPointer.hide(BoxPointer.PopupAnimation.FULL); this._subkeysBoxPointer = null; } if (this._capturedEventId) { this.actor.disconnect(this._capturedEventId); this._capturedEventId = 0; } this._capturedPress = false; }, resetSuggestions() { if (this._suggestions) this._suggestions.clear(); }, addSuggestion(text, callback) { if (!this._suggestions) return; this._suggestions.add(text, callback); this._suggestions.actor.show(); }, _clearShowIdle() { if (!this._showIdleId) return; GLib.source_remove(this._showIdleId); this._showIdleId = 0; }, _windowSlideAnimationComplete(window, delta) { // Synchronize window and actor positions again. let windowActor = window.get_compositor_private(); let frameRect = window.get_frame_rect(); frameRect.y += delta; window.move_frame(true, frameRect.x, frameRect.y); }, _animateWindow(window, show) { let windowActor = window.get_compositor_private(); let deltaY = Main.layoutManager.keyboardBox.height; if (!windowActor) return; if (show) { Tweener.addTween(windowActor, { y: windowActor.y - deltaY, time: Layout.KEYBOARD_ANIMATION_TIME, transition: 'easeOutQuad', onComplete: this._windowSlideAnimationComplete, onCompleteParams: [window, -deltaY] }); } else { Tweener.addTween(windowActor, { y: windowActor.y + deltaY, time: Layout.KEYBOARD_ANIMATION_TIME, transition: 'easeInQuad', onComplete: this._windowSlideAnimationComplete, onCompleteParams: [window, deltaY] }); } }, _setAnimationWindow(window) { if (this._animFocusedWindow == window) return; if (this._animFocusedWindow) this._animateWindow(this._animFocusedWindow, false); if (window) this._animateWindow(window, true); this._animFocusedWindow = window; }, setCursorLocation(window, x, y , w, h) { let monitor = Main.layoutManager.keyboardMonitor; if (window && monitor) { let keyboardHeight = Main.layoutManager.keyboardBox.height; let focusObscured = false; if (y + h >= monitor.y + monitor.height - keyboardHeight) { if (this._keyboardVisible) this._setAnimationWindow(window); else this._delayedAnimFocusWindow = window; } else if (y < keyboardHeight) { this._delayedAnimFocusWindow = null; this._setAnimationWindow(null); } } else { this._setAnimationWindow(null); } this._oskFocusWindow = window; }, }); var KeyboardController = new Lang.Class({ Name: 'KeyboardController', _init() { this.parent(); let deviceManager = Clutter.DeviceManager.get_default(); this._virtualDevice = deviceManager.create_virtual_device(Clutter.InputDeviceType.KEYBOARD_DEVICE); this._inputSourceManager = InputSourceManager.getInputSourceManager(); this._sourceChangedId = this._inputSourceManager.connect('current-source-changed', this._onSourceChanged.bind(this)); this._sourcesModifiedId = this._inputSourceManager.connect ('sources-changed', this._onSourcesModified.bind(this)); this._currentSource = this._inputSourceManager.currentSource; Main.inputMethod.connect('notify::content-purpose', this._onContentPurposeHintsChanged.bind(this)); Main.inputMethod.connect('notify::content-hints', this._onContentPurposeHintsChanged.bind(this)); Main.inputMethod.connect('input-panel-state', (o, state) => { this.emit('panel-state', state); }); }, _onSourcesModified() { this.emit('groups-changed'); }, _onSourceChanged(inputSourceManager, oldSource) { let source = inputSourceManager.currentSource; this._currentSource = source; this.emit('active-group', source.id); }, _onContentPurposeHintsChanged(method) { let hints = method.content_hints; let purpose = method.content_purpose; // XXX: hook numeric/emoji/etc special keyboards }, getGroups() { let inputSources = this._inputSourceManager.inputSources; let groups = [] for (let i in inputSources) { let is = inputSources[i]; groups[is.index] = is.xkbId; } return groups; }, getCurrentGroup() { return this._currentSource.xkbId; }, commitString(string, fromKey) { if (string == null) return false; /* Let ibus methods fall through keyval emission */ if (fromKey && this._currentSource.type == InputSourceManager.INPUT_SOURCE_TYPE_IBUS) return false; Main.inputMethod.commit(string); return true; }, keyvalPress(keyval) { this._virtualDevice.notify_keyval(Clutter.get_current_event_time(), keyval, Clutter.KeyState.PRESSED); }, keyvalRelease(keyval) { this._virtualDevice.notify_keyval(Clutter.get_current_event_time(), keyval, Clutter.KeyState.RELEASED); }, }); Signals.addSignalMethods(KeyboardController.prototype);