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Diffstat (limited to 'js/ui/keyboard.js')
| -rw-r--r-- | js/ui/keyboard.js | 1967 |
1 files changed, 1967 insertions, 0 deletions
diff --git a/js/ui/keyboard.js b/js/ui/keyboard.js new file mode 100644 index 0000000..e2574f0 --- /dev/null +++ b/js/ui/keyboard.js @@ -0,0 +1,1967 @@ +// -*- mode: js; js-indent-level: 4; indent-tabs-mode: nil -*- +/* exported KeyboardManager */ + +const { Clutter, Gio, GLib, GObject, Meta, St } = imports.gi; +const ByteArray = imports.byteArray; +const Signals = imports.signals; + +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 PageIndicators = imports.ui.pageIndicators; +const PopupMenu = imports.ui.popupMenu; + +var KEYBOARD_REST_TIME = Layout.KEYBOARD_ANIMATION_TIME * 2; +var KEY_LONG_PRESS_TIME = 250; +var PANEL_SWITCH_ANIMATION_TIME = 500; +var PANEL_SWITCH_RELATIVE_DISTANCE = 1 / 3; /* A third of the actor width */ + +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', icon: 'keyboard-shift-filled-symbolic' }], [{ label: '?123', width: 1.5, level: 2 }]], + [[], [], [{ width: 1.5, level: 0, extraClassName: 'shift-key-uppercase', icon: 'keyboard-shift-filled-symbolic' }], [{ 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 = [ + [[{ width: 1.5, keyval: Clutter.KEY_BackSpace, icon: 'edit-clear-symbolic' }], + [{ width: 2, keyval: Clutter.KEY_Return, extraClassName: 'enter-key', icon: 'keyboard-enter-symbolic' }], + [{ width: 3, level: 1, right: true, extraClassName: 'shift-key-lowercase', icon: 'keyboard-shift-filled-symbolic' }], + [{ action: 'emoji', icon: 'face-smile-symbolic' }, { action: 'languageMenu', extraClassName: 'layout-key', icon: 'keyboard-layout-filled-symbolic' }, { action: 'hide', extraClassName: 'hide-key', icon: 'go-down-symbolic' }]], + [[{ width: 1.5, keyval: Clutter.KEY_BackSpace, icon: 'edit-clear-symbolic' }], + [{ width: 2, keyval: Clutter.KEY_Return, extraClassName: 'enter-key', icon: 'keyboard-enter-symbolic' }], + [{ width: 3, level: 0, right: true, extraClassName: 'shift-key-uppercase', icon: 'keyboard-shift-filled-symbolic' }], + [{ action: 'emoji', icon: 'face-smile-symbolic' }, { action: 'languageMenu', extraClassName: 'layout-key', icon: 'keyboard-layout-filled-symbolic' }, { action: 'hide', extraClassName: 'hide-key', icon: 'go-down-symbolic' }]], + [[{ width: 1.5, keyval: Clutter.KEY_BackSpace, icon: 'edit-clear-symbolic' }], + [{ width: 2, keyval: Clutter.KEY_Return, extraClassName: 'enter-key', icon: 'keyboard-enter-symbolic' }], + [{ label: '=/<', width: 3, level: 3, right: true }], + [{ action: 'emoji', icon: 'face-smile-symbolic' }, { action: 'languageMenu', extraClassName: 'layout-key', icon: 'keyboard-layout-filled-symbolic' }, { action: 'hide', extraClassName: 'hide-key', icon: 'go-down-symbolic' }]], + [[{ width: 1.5, keyval: Clutter.KEY_BackSpace, icon: 'edit-clear-symbolic' }], + [{ width: 2, keyval: Clutter.KEY_Return, extraClassName: 'enter-key', icon: 'keyboard-enter-symbolic' }], + [{ label: '?123', width: 3, level: 2, right: true }], + [{ action: 'emoji', icon: 'face-smile-symbolic' }, { action: 'languageMenu', extraClassName: 'layout-key', icon: 'keyboard-layout-filled-symbolic' }, { action: 'hide', extraClassName: 'hide-key', icon: 'go-down-symbolic' }]], +]; + +var AspectContainer = GObject.registerClass( +class AspectContainer extends St.Widget { + _init(params) { + super._init(params); + this._ratio = 1; + } + + setRatio(relWidth, relHeight) { + this._ratio = relWidth / relHeight; + this.queue_relayout(); + } + + vfunc_get_preferred_width(forHeight) { + let [min, nat] = super.vfunc_get_preferred_width(forHeight); + + if (forHeight > 0) + nat = forHeight * this._ratio; + + return [min, nat]; + } + + vfunc_get_preferred_height(forWidth) { + let [min, nat] = super.vfunc_get_preferred_height(forWidth); + + if (forWidth > 0) + nat = forWidth / this._ratio; + + return [min, nat]; + } + + vfunc_allocate(box) { + if (box.get_width() > 0 && box.get_height() > 0) { + let sizeRatio = box.get_width() / box.get_height(); + + if (sizeRatio >= this._ratio) { + /* Restrict horizontally */ + let width = box.get_height() * this._ratio; + let diff = box.get_width() - width; + + box.x1 += Math.floor(diff / 2); + box.x2 -= Math.ceil(diff / 2); + } else { + /* Restrict vertically, align to bottom */ + let height = box.get_width() / this._ratio; + box.y1 = box.y2 - Math.floor(height); + } + } + + super.vfunc_allocate(box); + } +}); + +var KeyContainer = GObject.registerClass( +class KeyContainer extends St.Widget { + _init() { + let gridLayout = new Clutter.GridLayout({ orientation: Clutter.Orientation.HORIZONTAL, + column_homogeneous: true, + row_homogeneous: true }); + super._init({ + layout_manager: gridLayout, + x_expand: true, + y_expand: true, + }); + this._gridLayout = gridLayout; + this._currentRow = 0; + this._currentCol = 0; + this._maxCols = 0; + + this._currentRow = null; + this._rows = []; + } + + appendRow() { + this._currentRow++; + this._currentCol = 0; + + let row = { + keys: [], + 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); + } + + layoutButtons(container) { + 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; + } + + if (container) + container.setRatio(this._maxCols, this._rows.length); + } +}); + +var Suggestions = GObject.registerClass( +class Suggestions extends St.BoxLayout { + _init() { + super._init({ + style_class: 'word-suggestions', + vertical: false, + x_align: Clutter.ActorAlign.CENTER, + }); + this.show(); + } + + add(word, callback) { + let button = new St.Button({ label: word }); + button.connect('clicked', callback); + this.add_child(button); + } + + clear() { + this.remove_all_children(); + } +}); + +var LanguageSelectionPopup = class extends PopupMenu.PopupMenu { + constructor(actor) { + super(actor, 0.5, St.Side.BOTTOM); + + let inputSourceManager = InputSourceManager.getInputSourceManager(); + let inputSources = inputSourceManager.inputSources; + + let item; + for (let i in inputSources) { + let is = inputSources[i]; + + item = this.addAction(is.displayName, () => { + inputSourceManager.activateInputSource(is, true); + }); + item.can_focus = false; + } + + this.addMenuItem(new PopupMenu.PopupSeparatorMenuItem()); + item = this.addSettingsAction(_("Region & Language Settings"), 'gnome-region-panel.desktop'); + item.can_focus = false; + + this._capturedEventId = 0; + + this._unmapId = actor.connect('notify::mapped', () => { + if (!actor.is_mapped()) + 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) { + super.open(animate); + this._capturedEventId = global.stage.connect('captured-event', + this._onCapturedEvent.bind(this)); + } + + close(animate) { + super.close(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); + super.destroy(); + } +}; + +var Key = GObject.registerClass({ + Signals: { + 'activated': {}, + 'long-press': {}, + 'pressed': { param_types: [GObject.TYPE_UINT, GObject.TYPE_STRING] }, + 'released': { param_types: [GObject.TYPE_UINT, GObject.TYPE_STRING] }, + }, +}, class Key extends St.BoxLayout { + _init(key, extendedKeys, icon = null) { + super._init({ style_class: 'key-container' }); + + this.key = key || ""; + this.keyButton = this._makeKey(this.key, icon); + + /* Add the key in a container, so keys can be padded without losing + * logical proportions between those. + */ + this.add_child(this.keyButton); + this.connect('destroy', this._onDestroy.bind(this)); + + this._extendedKeys = extendedKeys; + this._extendedKeyboard = null; + this._pressTimeoutId = 0; + this._capturedPress = false; + + this._capturedEventId = 0; + this._unmapId = 0; + this._longPress = false; + } + + _onDestroy() { + if (this._boxPointer) { + this._boxPointer.destroy(); + this._boxPointer = null; + } + + this.cancel(); + } + + _ensureExtendedKeysPopup() { + if (this._extendedKeys.length === 0) + return; + + if (this._boxPointer) + return; + + this._boxPointer = new BoxPointer.BoxPointer(St.Side.BOTTOM); + this._boxPointer.hide(); + Main.layoutManager.addTopChrome(this._boxPointer); + this._boxPointer.setPosition(this.keyButton, 0.5); + + // Adds style to existing keyboard style to avoid repetition + this._boxPointer.add_style_class_name('keyboard-subkeys'); + this._getExtendedKeys(); + this.keyButton._extendedKeys = this._extendedKeyboard; + } + + _getKeyval(key) { + let unicode = key.length ? key.charCodeAt(0) : undefined; + return Clutter.unicode_to_keysym(unicode); + } + + _press(key) { + this.emit('activated'); + + if (key !== this.key || this._extendedKeys.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._extendedKeys.length > 0) { + this._touchPressed = false; + this._ensureExtendedKeysPopup(); + this.keyButton.set_hover(false); + this.keyButton.fake_release(); + 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._extendedKeys.length > 0) + this.emit('pressed', this._getKeyval(key), key); + + this.emit('released', this._getKeyval(key), key); + this._hideSubkeys(); + this._longPress = false; + } + + cancel() { + if (this._pressTimeoutId != 0) { + GLib.source_remove(this._pressTimeoutId); + this._pressTimeoutId = 0; + } + this._touchPressed = false; + this.keyButton.set_hover(false); + this.keyButton.fake_release(); + } + + _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.open(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.close(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, icon) { + let button = new St.Button({ + style_class: 'keyboard-key', + x_expand: true, + }); + + if (icon) { + let child = new St.Icon({ icon_name: icon }); + button.set_child(child); + this._icon = child; + } else { + let label = GLib.markup_escape_text(key, -1); + button.set_label(label); + } + + 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) => { + // 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) { + this._touchPressed = true; + this._press(key); + } else if (this._touchPressed && + event.type() == Clutter.EventType.TOUCH_END) { + this._touchPressed = false; + this._release(key); + } + return Clutter.EVENT_PROPAGATE; + }); + + return button; + } + + _getExtendedKeys() { + this._extendedKeyboard = new St.BoxLayout({ + style_class: 'key-container', + vertical: false, + }); + for (let i = 0; i < this._extendedKeys.length; ++i) { + let extendedKey = this._extendedKeys[i]; + let key = this._makeKey(extendedKey); + + key.extendedKey = extendedKey; + this._extendedKeyboard.add(key); + + key.set_size(...this.keyButton.allocation.get_size()); + this.keyButton.connect('notify::allocation', + () => key.set_size(...this.keyButton.allocation.get_size())); + } + this._boxPointer.bin.add_actor(this._extendedKeyboard); + } + + get subkeys() { + return this._boxPointer; + } + + setWidth(width) { + this.keyButton.keyWidth = width; + } + + setLatched(latched) { + if (!this._icon) + return; + + if (latched) { + this.keyButton.add_style_pseudo_class('latched'); + this._icon.icon_name = 'keyboard-caps-lock-filled-symbolic'; + } else { + this.keyButton.remove_style_pseudo_class('latched'); + this._icon.icon_name = 'keyboard-shift-filled-symbolic'; + } + } +}); + +var KeyboardModel = class { + constructor(groupName) { + let names = [groupName]; + if (groupName.includes('+')) + names.push(groupName.replace(/\+.*/, '')); + names.push('us'); + + for (let i = 0; i < names.length; i++) { + try { + this._model = this._loadModel(names[i]); + break; + } catch (e) { + } + } + } + + _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); + contents = ByteArray.toString(contents); + + return JSON.parse(contents); + } + + getLevels() { + return this._model.levels; + } + + getKeysForLevel(levelName) { + return this._model.levels.find(level => level == levelName); + } +}; + +var FocusTracker = class { + constructor() { + this._currentWindow = null; + this._rect = null; + + global.display.connect('notify::focus-window', () => { + this._setCurrentWindow(global.display.focus_window); + this.emit('window-changed', this._currentWindow); + }); + + global.display.connect('grab-op-begin', (display, window, op) => { + if (window == this._currentWindow && + (op == Meta.GrabOp.MOVING || op == Meta.GrabOp.KEYBOARD_MOVING)) + this.emit('reset'); + }); + + /* 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); + }); + this._ibusManager.connect('focus-in', () => { + this.emit('focus-changed', true); + }); + this._ibusManager.connect('focus-out', () => { + this.emit('focus-changed', false); + }); + } + + get currentWindow() { + return this._currentWindow; + } + + _setCurrentWindow(window) { + this._currentWindow = window; + } + + _setCurrentRect(rect) { + if (this._currentWindow) { + let frameRect = this._currentWindow.get_frame_rect(); + rect.x -= frameRect.x; + rect.y -= frameRect.y; + } + + if (this._rect && + this._rect.x == rect.x && + this._rect.y == rect.y && + this._rect.width == rect.width && + this._rect.height == rect.height) + return; + + this._rect = rect; + this.emit('position-changed'); + } + + getCurrentRect() { + let rect = { x: this._rect.x, y: this._rect.y, + width: this._rect.width, height: this._rect.height }; + + if (this._currentWindow) { + let frameRect = this._currentWindow.get_frame_rect(); + rect.x += frameRect.x; + rect.y += frameRect.y; + } + + return rect; + } +}; +Signals.addSignalMethods(FocusTracker.prototype); + +var EmojiPager = GObject.registerClass({ + Properties: { + 'delta': GObject.ParamSpec.int( + 'delta', 'delta', 'delta', + GObject.ParamFlags.READWRITE, + GLib.MININT32, GLib.MAXINT32, 0), + }, + Signals: { + 'emoji': { param_types: [GObject.TYPE_STRING] }, + 'page-changed': { + param_types: [GObject.TYPE_INT, GObject.TYPE_INT, GObject.TYPE_INT], + }, + }, +}, class EmojiPager extends St.Widget { + _init(sections, nCols, nRows) { + super._init({ + layout_manager: new Clutter.BinLayout(), + reactive: true, + clip_to_allocation: true, + y_expand: true, + }); + this._sections = sections; + this._nCols = nCols; + this._nRows = nRows; + + this._pages = []; + this._panel = null; + this._curPage = null; + this._followingPage = null; + this._followingPanel = null; + this._currentKey = null; + this._delta = 0; + this._width = null; + + this._initPagingInfo(); + + let panAction = new Clutter.PanAction({ interpolate: false }); + panAction.connect('pan', this._onPan.bind(this)); + panAction.connect('gesture-begin', this._onPanBegin.bind(this)); + panAction.connect('gesture-cancel', this._onPanCancel.bind(this)); + panAction.connect('gesture-end', this._onPanEnd.bind(this)); + this._panAction = panAction; + this.add_action(panAction); + } + + get delta() { + return this._delta; + } + + set delta(value) { + if (value > this._width) + value = this._width; + else if (value < -this._width) + value = -this._width; + + if (this._delta == value) + return; + + this._delta = value; + this.notify('delta'); + + if (value == 0) + return; + + let relValue = Math.abs(value / this._width); + let followingPage = this.getFollowingPage(); + + if (this._followingPage != followingPage) { + if (this._followingPanel) { + this._followingPanel.destroy(); + this._followingPanel = null; + } + + if (followingPage != null) { + this._followingPanel = this._generatePanel(followingPage); + this._followingPanel.set_pivot_point(0.5, 0.5); + this.add_child(this._followingPanel); + this.set_child_below_sibling(this._followingPanel, this._panel); + } + + this._followingPage = followingPage; + } + + this._panel.translation_x = value; + this._panel.opacity = 255 * (1 - Math.pow(relValue, 3)); + + if (this._followingPanel) { + this._followingPanel.scale_x = 0.8 + (0.2 * relValue); + this._followingPanel.scale_y = 0.8 + (0.2 * relValue); + this._followingPanel.opacity = 255 * relValue; + } + } + + _prevPage(nPage) { + return (nPage + this._pages.length - 1) % this._pages.length; + } + + _nextPage(nPage) { + return (nPage + 1) % this._pages.length; + } + + getFollowingPage() { + if (this.delta == 0) + return null; + + if ((this.delta < 0 && global.stage.text_direction == Clutter.TextDirection.LTR) || + (this.delta > 0 && global.stage.text_direction == Clutter.TextDirection.RTL)) + return this._nextPage(this._curPage); + else + return this._prevPage(this._curPage); + } + + _onPan(action) { + let [dist_, dx, dy_] = action.get_motion_delta(0); + this.delta += dx; + + if (this._currentKey != null) { + this._currentKey.cancel(); + this._currentKey = null; + } + + return false; + } + + _onPanBegin() { + this._width = this.width; + return true; + } + + _onPanEnd() { + if (Math.abs(this._delta) < this.width * PANEL_SWITCH_RELATIVE_DISTANCE) { + this._onPanCancel(); + } else { + let value; + if (this._delta > 0) + value = this._width; + else if (this._delta < 0) + value = -this._width; + + let relDelta = Math.abs(this._delta - value) / this._width; + let time = PANEL_SWITCH_ANIMATION_TIME * Math.abs(relDelta); + + this.remove_all_transitions(); + this.ease_property('delta', value, { + duration: time, + onComplete: () => { + this.setCurrentPage(this.getFollowingPage()); + }, + }); + } + } + + _onPanCancel() { + let relDelta = Math.abs(this._delta) / this.width; + let time = PANEL_SWITCH_ANIMATION_TIME * Math.abs(relDelta); + + this.remove_all_transitions(); + this.ease_property('delta', 0, { + duration: time, + }); + } + + _initPagingInfo() { + for (let i = 0; i < this._sections.length; i++) { + let section = this._sections[i]; + let itemsPerPage = this._nCols * this._nRows; + let nPages = Math.ceil(section.keys.length / itemsPerPage); + let page = -1; + let pageKeys; + + for (let j = 0; j < section.keys.length; j++) { + if (j % itemsPerPage == 0) { + page++; + pageKeys = []; + this._pages.push({ pageKeys, nPages, page, section: this._sections[i] }); + } + + pageKeys.push(section.keys[j]); + } + } + } + + _lookupSection(section, nPage) { + for (let i = 0; i < this._pages.length; i++) { + let page = this._pages[i]; + + if (page.section == section && page.page == nPage) + return i; + } + + return -1; + } + + _generatePanel(nPage) { + let gridLayout = new Clutter.GridLayout({ orientation: Clutter.Orientation.HORIZONTAL, + column_homogeneous: true, + row_homogeneous: true }); + let panel = new St.Widget({ layout_manager: gridLayout, + style_class: 'emoji-page', + x_expand: true, + y_expand: true }); + + /* Set an expander actor so all proportions are right despite the panel + * not having all rows/cols filled in. + */ + let expander = new Clutter.Actor(); + gridLayout.attach(expander, 0, 0, this._nCols, this._nRows); + + let page = this._pages[nPage]; + let col = 0; + let row = 0; + + for (let i = 0; i < page.pageKeys.length; i++) { + let modelKey = page.pageKeys[i]; + let key = new Key(modelKey.label, modelKey.variants); + + key.keyButton.set_button_mask(0); + + key.connect('activated', () => { + this._currentKey = key; + }); + key.connect('long-press', () => { + this._panAction.cancel(); + }); + key.connect('released', (actor, keyval, str) => { + if (this._currentKey != key) + return; + this._currentKey = null; + this.emit('emoji', str); + }); + + gridLayout.attach(key, col, row, 1, 1); + + col++; + if (col >= this._nCols) { + col = 0; + row++; + } + } + + return panel; + } + + setCurrentPage(nPage) { + if (this._curPage == nPage) + return; + + this._curPage = nPage; + + if (this._panel) { + this._panel.destroy(); + this._panel = null; + } + + /* Reuse followingPage if possible */ + if (nPage == this._followingPage) { + this._panel = this._followingPanel; + this._followingPanel = null; + } + + if (this._followingPanel) + this._followingPanel.destroy(); + + this._followingPanel = null; + this._followingPage = null; + this._delta = 0; + + if (!this._panel) { + this._panel = this._generatePanel(nPage); + this.add_child(this._panel); + } + + let page = this._pages[nPage]; + this.emit('page-changed', page.section.label, page.page, page.nPages); + } + + setCurrentSection(section, nPage) { + for (let i = 0; i < this._pages.length; i++) { + let page = this._pages[i]; + + if (page.section == section && page.page == nPage) { + this.setCurrentPage(i); + break; + } + } + } +}); + +var EmojiSelection = GObject.registerClass({ + Signals: { + 'emoji-selected': { param_types: [GObject.TYPE_STRING] }, + 'close-request': {}, + 'toggle': {}, + }, +}, class EmojiSelection extends St.BoxLayout { + _init() { + super._init({ + style_class: 'emoji-panel', + x_expand: true, + y_expand: true, + vertical: true, + }); + + this._sections = [ + { first: 'grinning face', label: 'đī¸' }, + { first: 'selfie', label: 'đī¸' }, + { first: 'monkey face', label: 'đˇī¸' }, + { first: 'grapes', label: 'đ´ī¸' }, + { first: 'globe showing Europe-Africa', label: 'âī¸' }, + { first: 'jack-o-lantern', label: 'đī¸' }, + { first: 'muted speaker', label: 'đī¸' }, + { first: 'ATM sign', label: 'â¤ī¸' }, + { first: 'chequered flag', label: 'đŠī¸' }, + ]; + + this._populateSections(); + + this._emojiPager = new EmojiPager(this._sections, 11, 3); + this._emojiPager.connect('page-changed', (pager, sectionLabel, page, nPages) => { + this._onPageChanged(sectionLabel, page, nPages); + }); + this._emojiPager.connect('emoji', (pager, str) => { + this.emit('emoji-selected', str); + }); + this.add_child(this._emojiPager); + + this._pageIndicator = new PageIndicators.PageIndicators( + Clutter.Orientation.HORIZONTAL); + this.add_child(this._pageIndicator); + this._pageIndicator.setReactive(false); + + this._emojiPager.connect('notify::delta', () => { + this._updateIndicatorPosition(); + }); + + let bottomRow = this._createBottomRow(); + this.add_child(bottomRow); + + this._curPage = 0; + } + + vfunc_map() { + this._emojiPager.setCurrentPage(0); + super.vfunc_map(); + } + + _onPageChanged(sectionLabel, page, nPages) { + this._curPage = page; + this._pageIndicator.setNPages(nPages); + this._updateIndicatorPosition(); + + for (let i = 0; i < this._sections.length; i++) { + let sect = this._sections[i]; + sect.button.setLatched(sectionLabel == sect.label); + } + } + + _updateIndicatorPosition() { + this._pageIndicator.setCurrentPosition(this._curPage - + this._emojiPager.delta / this._emojiPager.width); + } + + _findSection(emoji) { + for (let i = 0; i < this._sections.length; i++) { + if (this._sections[i].first == emoji) + return this._sections[i]; + } + + return null; + } + + _populateSections() { + let file = Gio.File.new_for_uri('resource:///org/gnome/shell/osk-layouts/emoji.json'); + let [success_, contents] = file.load_contents(null); + + if (contents instanceof Uint8Array) + contents = imports.byteArray.toString(contents); + let emoji = JSON.parse(contents); + + let variants = []; + let currentKey = 0; + let currentSection = null; + + for (let i = 0; i < emoji.length; i++) { + /* Group variants of a same emoji so they appear on the key popover */ + if (emoji[i].name.startsWith(emoji[currentKey].name)) { + variants.push(emoji[i].char); + if (i < emoji.length - 1) + continue; + } + + let newSection = this._findSection(emoji[currentKey].name); + if (newSection != null) { + currentSection = newSection; + currentSection.keys = []; + } + + /* Create the key */ + let label = emoji[currentKey].char + String.fromCharCode(0xFE0F); + currentSection.keys.push({ label, variants }); + currentKey = i; + variants = []; + } + } + + _createBottomRow() { + let row = new KeyContainer(); + let key; + + row.appendRow(); + + key = new Key('ABC', []); + key.keyButton.add_style_class_name('default-key'); + key.connect('released', () => this.emit('toggle')); + row.appendKey(key, 1.5); + + for (let i = 0; i < this._sections.length; i++) { + let section = this._sections[i]; + + key = new Key(section.label, []); + key.connect('released', () => this._emojiPager.setCurrentSection(section, 0)); + row.appendKey(key); + + section.button = key; + } + + key = new Key(null, [], 'go-down-symbolic'); + key.keyButton.add_style_class_name('default-key'); + key.keyButton.add_style_class_name('hide-key'); + key.connect('released', () => { + this.emit('close-request'); + }); + row.appendKey(key); + row.layoutButtons(); + + let actor = new AspectContainer({ layout_manager: new Clutter.BinLayout(), + x_expand: true, y_expand: true }); + actor.add_child(row); + /* Regular keyboard layouts are 11.5Ã4 grids, optimize for that + * at the moment. Ideally this should be as wide as the current + * keymap. + */ + actor.setRatio(11.5, 1); + + return actor; + } +}); + +var Keypad = GObject.registerClass({ + Signals: { + 'keyval': { param_types: [GObject.TYPE_UINT] }, + }, +}, class Keypad extends AspectContainer { + _init() { + let keys = [ + { label: '1', keyval: Clutter.KEY_1, left: 0, top: 0 }, + { label: '2', keyval: Clutter.KEY_2, left: 1, top: 0 }, + { label: '3', keyval: Clutter.KEY_3, left: 2, top: 0 }, + { label: '4', keyval: Clutter.KEY_4, left: 0, top: 1 }, + { label: '5', keyval: Clutter.KEY_5, left: 1, top: 1 }, + { label: '6', keyval: Clutter.KEY_6, left: 2, top: 1 }, + { label: '7', keyval: Clutter.KEY_7, left: 0, top: 2 }, + { label: '8', keyval: Clutter.KEY_8, left: 1, top: 2 }, + { label: '9', keyval: Clutter.KEY_9, left: 2, top: 2 }, + { label: '0', keyval: Clutter.KEY_0, left: 1, top: 3 }, + { keyval: Clutter.KEY_BackSpace, icon: 'edit-clear-symbolic', left: 3, top: 0 }, + { keyval: Clutter.KEY_Return, extraClassName: 'enter-key', icon: 'keyboard-enter-symbolic', left: 3, top: 1, height: 2 }, + ]; + + super._init({ + layout_manager: new Clutter.BinLayout(), + x_expand: true, + y_expand: true, + }); + + let gridLayout = new Clutter.GridLayout({ orientation: Clutter.Orientation.HORIZONTAL, + column_homogeneous: true, + row_homogeneous: true }); + this._box = new St.Widget({ layout_manager: gridLayout, x_expand: true, y_expand: true }); + this.add_child(this._box); + + for (let i = 0; i < keys.length; i++) { + let cur = keys[i]; + let key = new Key(cur.label || "", [], cur.icon); + + if (keys[i].extraClassName) + key.keyButton.add_style_class_name(cur.extraClassName); + + let w, h; + w = cur.width || 1; + h = cur.height || 1; + gridLayout.attach(key, cur.left, cur.top, w, h); + + key.connect('released', () => { + this.emit('keyval', cur.keyval); + }); + } + } +}); + +var KeyboardManager = class KeyBoardManager { + constructor() { + this._keyboard = null; + this._a11yApplicationsSettings = new Gio.Settings({ schema_id: A11Y_APPLICATIONS_SCHEMA }); + this._a11yApplicationsSettings.connect('changed', this._syncEnabled.bind(this)); + + this._seat = Clutter.get_default_backend().get_default_seat(); + this._seat.connect('notify::touch-mode', this._syncEnabled.bind(this)); + + this._lastDevice = null; + global.backend.connect('last-device-changed', (backend, device) => { + if (device.device_type === Clutter.InputDeviceType.KEYBOARD_DEVICE) + return; + + this._lastDevice = device; + this._syncEnabled(); + }); + this._syncEnabled(); + } + + _lastDeviceIsTouchscreen() { + if (!this._lastDevice) + return false; + + let deviceType = this._lastDevice.get_device_type(); + return deviceType == Clutter.InputDeviceType.TOUCHSCREEN_DEVICE; + } + + _syncEnabled() { + let enableKeyboard = this._a11yApplicationsSettings.get_boolean(SHOW_KEYBOARD); + let autoEnabled = this._seat.get_touch_mode() && this._lastDeviceIsTouchscreen(); + let enabled = enableKeyboard || autoEnabled; + + if (!enabled && !this._keyboard) + return; + + if (enabled && !this._keyboard) { + this._keyboard = new Keyboard(); + } else if (!enabled && this._keyboard) { + this._keyboard.setCursorLocation(null); + this._keyboard.destroy(); + this._keyboard = null; + Main.layoutManager.hideKeyboard(true); + } + } + + get keyboardActor() { + return this._keyboard; + } + + get visible() { + return this._keyboard && this._keyboard.visible; + } + + open(monitor) { + if (this._keyboard) + this._keyboard.open(monitor); + } + + close() { + if (this._keyboard) + this._keyboard.close(); + } + + addSuggestion(text, callback) { + if (this._keyboard) + this._keyboard.addSuggestion(text, callback); + } + + resetSuggestions() { + if (this._keyboard) + this._keyboard.resetSuggestions(); + } + + shouldTakeEvent(event) { + if (!this._keyboard) + return false; + + let actor = event.get_source(); + return Main.layoutManager.keyboardBox.contains(actor) || + !!actor._extendedKeys || !!actor.extendedKey; + } +}; + +var Keyboard = GObject.registerClass( +class Keyboard extends St.BoxLayout { + _init() { + super._init({ name: 'keyboard', vertical: true }); + this._focusInExtendedKeys = false; + this._emojiActive = false; + + this._languagePopup = null; + this._currentFocusWindow = null; + this._animFocusedWindow = null; + this._delayedAnimFocusWindow = null; + + this._latched = false; // current level is latched + + this._suggestions = null; + this._emojiKeyVisible = Meta.is_wayland_compositor(); + + this._focusTracker = new FocusTracker(); + this._connectSignal(this._focusTracker, 'position-changed', + this._onFocusPositionChanged.bind(this)); + this._connectSignal(this._focusTracker, 'reset', () => { + this._delayedAnimFocusWindow = null; + this._animFocusedWindow = null; + this._oskFocusWindow = null; + }); + // Valid only for X11 + if (!Meta.is_wayland_compositor()) { + this._connectSignal(this._focusTracker, 'focus-changed', (_tracker, focused) => { + if (focused) + this.open(Main.layoutManager.focusIndex); + else + this.close(); + }); + } + + this._showIdleId = 0; + + this._keyboardVisible = false; + this._connectSignal(Main.layoutManager, 'keyboard-visible-changed', (_lm, visible) => { + this._keyboardVisible = visible; + }); + this._keyboardRequested = false; + this._keyboardRestingId = 0; + + this._connectSignal(Main.layoutManager, 'monitors-changed', this._relayout.bind(this)); + + this._setupKeyboard(); + + this.connect('destroy', this._onDestroy.bind(this)); + } + + _connectSignal(obj, signal, callback) { + if (!this._connectionsIDs) + this._connectionsIDs = []; + + let id = obj.connect(signal, callback); + this._connectionsIDs.push([obj, id]); + return id; + } + + get visible() { + return this._keyboardVisible && super.visible; + } + + set visible(visible) { + super.visible = visible; + } + + _onFocusPositionChanged(focusTracker) { + let rect = focusTracker.getCurrentRect(); + this.setCursorLocation(focusTracker.currentWindow, rect.x, rect.y, rect.width, rect.height); + } + + _onDestroy() { + for (let [obj, id] of this._connectionsIDs) + obj.disconnect(id); + delete this._connectionsIDs; + + this._clearShowIdle(); + + this._keyboardController.destroy(); + + Main.layoutManager.untrackChrome(this); + Main.layoutManager.keyboardBox.remove_actor(this); + + if (this._languagePopup) { + this._languagePopup.destroy(); + this._languagePopup = null; + } + } + + _setupKeyboard() { + Main.layoutManager.keyboardBox.add_actor(this); + Main.layoutManager.trackChrome(this); + + this._keyboardController = new KeyboardController(); + + this._groups = {}; + this._currentPage = null; + + this._suggestions = new Suggestions(); + this.add_child(this._suggestions); + + this._aspectContainer = new AspectContainer({ + layout_manager: new Clutter.BinLayout(), + y_expand: true, + }); + this.add_child(this._aspectContainer); + + this._emojiSelection = new EmojiSelection(); + this._emojiSelection.connect('toggle', this._toggleEmoji.bind(this)); + this._emojiSelection.connect('close-request', () => this.close()); + this._emojiSelection.connect('emoji-selected', (selection, emoji) => { + this._keyboardController.commitString(emoji); + }); + + this._aspectContainer.add_child(this._emojiSelection); + this._emojiSelection.hide(); + + this._keypad = new Keypad(); + this._connectSignal(this._keypad, 'keyval', (_keypad, keyval) => { + this._keyboardController.keyvalPress(keyval); + this._keyboardController.keyvalRelease(keyval); + }); + this._aspectContainer.add_child(this._keypad); + this._keypad.hide(); + this._keypadVisible = 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.text_direction = Clutter.TextDirection.LTR; + + this._connectSignal(this._keyboardController, 'active-group', + this._onGroupChanged.bind(this)); + this._connectSignal(this._keyboardController, 'groups-changed', + this._onKeyboardGroupsChanged.bind(this)); + this._connectSignal(this._keyboardController, 'panel-state', + this._onKeyboardStateChanged.bind(this)); + this._connectSignal(this._keyboardController, 'keypad-visible', + this._onKeypadVisible.bind(this)); + this._connectSignal(global.stage, 'notify::key-focus', + this._onKeyFocusChanged.bind(this)); + + if (Meta.is_wayland_compositor()) { + this._connectSignal(this._keyboardController, 'emoji-visible', + this._onEmojiKeyVisible.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._extendedKeys || focus.extendedKey); + if (this._focusInExtendedKeys || extendedKeysWereFocused) + return; + + if (!(focus instanceof Clutter.Text)) { + this.close(); + return; + } + + if (!this._showIdleId) { + this._showIdleId = GLib.idle_add(GLib.PRIORITY_DEFAULT_IDLE, () => { + this.open(Main.layoutManager.focusIndex); + this._showIdleId = 0; + return GLib.SOURCE_REMOVE; + }); + GLib.Source.set_name_by_id(this._showIdleId, '[gnome-shell] this.open'); + } + } + + _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._aspectContainer.add_child(layout); + layout.layoutButtons(this._aspectContainer); + + 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, button.keyButton.keyWidth); + } + } + + _popupLanguageMenu(keyActor) { + if (this._languagePopup) + this._languagePopup.destroy(); + + this._languagePopup = new LanguageSelectionPopup(keyActor); + Main.layoutManager.addTopChrome(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; + let icon = key.icon; + + /* Skip emoji button if necessary */ + if (!this._emojiKeyVisible && action == 'emoji') + continue; + + extraButton = new Key(key.label || '', [], icon); + + 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.close(); + else if (action == 'languageMenu') + this._popupLanguageMenu(actor); + else if (action == 'emoji') + this._toggleEmoji(); + }); + + if (switchToLevel == 0) { + layout.shiftKeys.push(extraButton); + } else if (switchToLevel == 1) { + extraButton.connect('long-press', () => { + this._latched = true; + this._setCurrentLevelLatched(this._currentPage, 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.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); + } else if (!this._emojiKeyVisible && (action == 'hide' || action == 'languageMenu')) { + extraButton.setWidth(1.5); + } + + layout.appendKey(extraButton, extraButton.keyButton.keyWidth); + } + } + + _updateCurrentPageVisible() { + if (this._currentPage) + this._currentPage.visible = !this._emojiActive && !this._keypadVisible; + } + + _setEmojiActive(active) { + this._emojiActive = active; + this._emojiSelection.visible = this._emojiActive; + this._updateCurrentPageVisible(); + } + + _toggleEmoji() { + this._setEmojiActive(!this._emojiActive); + } + + _setCurrentLevelLatched(layout, latched) { + for (let i = 0; i < layout.shiftKeys.length; i++) { + let key = layout.shiftKeys[i]; + key.setLatched(latched); + } + } + + _getDefaultKeysForRow(row, numRows, level) { + /* 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._currentPage.get_children(); + numOfVertSlots = rows.length; + + for (let i = 0; i < rows.length; ++i) { + let keyboardRow = rows[i]; + let keys = keyboardRow.get_children(); + + numOfHorizSlots = Math.max(numOfHorizSlots, keys.length); + } + + return [numOfHorizSlots, numOfVertSlots]; + } + + _relayout() { + let monitor = Main.layoutManager.keyboardMonitor; + + if (!monitor) + return; + + let maxHeight = monitor.height / 3; + this.width = monitor.width; + + if (monitor.width > monitor.height) { + this.height = maxHeight; + } else { + /* In portrait mode, lack of horizontal space means we won't be + * able to make the OSK that big while keeping size ratio, so + * we allow the OSK being smaller than 1/3rd of the monitor height + * there. + */ + const forWidth = this.get_theme_node().adjust_for_width(monitor.width); + const [, natHeight] = this.get_preferred_height(forWidth); + this.height = Math.min(maxHeight, natHeight); + } + } + + _onGroupChanged() { + this._ensureKeysForGroup(this._keyboardController.getCurrentGroup()); + this._setActiveLayer(0); + } + + _onKeyboardGroupsChanged() { + let nonGroupActors = [this._emojiSelection, this._keypad]; + this._aspectContainer.get_children().filter(c => !nonGroupActors.includes(c)).forEach(c => { + c.destroy(); + }); + + this._groups = {}; + this._onGroupChanged(); + } + + _onKeypadVisible(controller, visible) { + if (visible == this._keypadVisible) + return; + + this._keypadVisible = visible; + this._keypad.visible = this._keypadVisible; + this._updateCurrentPageVisible(); + } + + _onEmojiKeyVisible(controller, visible) { + if (visible == this._emojiKeyVisible) + return; + + this._emojiKeyVisible = visible; + /* Rebuild keyboard widgetry to include emoji button */ + this._onKeyboardGroupsChanged(); + } + + _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.open(Main.layoutManager.focusIndex); + else + this.close(); + } + + _setActiveLayer(activeLevel) { + let activeGroupName = this._keyboardController.getCurrentGroup(); + let layers = this._groups[activeGroupName]; + let currentPage = layers[activeLevel]; + + if (this._currentPage == currentPage) { + this._updateCurrentPageVisible(); + return; + } + + if (this._currentPage != null) { + this._setCurrentLevelLatched(this._currentPage, false); + this._currentPage.disconnect(this._currentPage._destroyID); + this._currentPage.hide(); + delete this._currentPage._destroyID; + } + + this._currentPage = currentPage; + this._currentPage._destroyID = this._currentPage.connect('destroy', () => { + this._currentPage = null; + }); + this._updateCurrentPageVisible(); + } + + _clearKeyboardRestTimer() { + if (!this._keyboardRestingId) + return; + GLib.source_remove(this._keyboardRestingId); + this._keyboardRestingId = 0; + } + + open(monitor) { + 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._open(monitor); + return GLib.SOURCE_REMOVE; + }); + GLib.Source.set_name_by_id(this._keyboardRestingId, '[gnome-shell] this._clearKeyboardRestTimer'); + } + + _open(monitor) { + if (!this._keyboardRequested) + return; + + Main.layoutManager.keyboardIndex = monitor; + this._relayout(); + Main.layoutManager.showKeyboard(); + + this._setEmojiActive(false); + + if (this._delayedAnimFocusWindow) { + this._setAnimationWindow(this._delayedAnimFocusWindow); + this._delayedAnimFocusWindow = null; + } + } + + close() { + 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._close(); + return GLib.SOURCE_REMOVE; + }); + GLib.Source.set_name_by_id(this._keyboardRestingId, '[gnome-shell] this._clearKeyboardRestTimer'); + } + + _close() { + if (this._keyboardRequested) + return; + + Main.layoutManager.hideKeyboard(); + this.setCursorLocation(null); + } + + resetSuggestions() { + if (this._suggestions) + this._suggestions.clear(); + } + + addSuggestion(text, callback) { + if (!this._suggestions) + return; + this._suggestions.add(text, callback); + this._suggestions.show(); + } + + _clearShowIdle() { + if (!this._showIdleId) + return; + GLib.source_remove(this._showIdleId); + this._showIdleId = 0; + } + + _windowSlideAnimationComplete(window, delta) { + // Synchronize window positions again. + 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) { + windowActor.ease({ + y: windowActor.y - deltaY, + duration: Layout.KEYBOARD_ANIMATION_TIME, + mode: Clutter.AnimationMode.EASE_OUT_QUAD, + onComplete: () => { + this._windowSlideAnimationComplete(window, -deltaY); + }, + }); + } else { + windowActor.ease({ + y: windowActor.y + deltaY, + duration: Layout.KEYBOARD_ANIMATION_TIME, + mode: Clutter.AnimationMode.EASE_IN_QUAD, + onComplete: () => { + this._windowSlideAnimationComplete(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; + + 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 = class { + constructor() { + let seat = Clutter.get_default_backend().get_default_seat(); + this._virtualDevice = seat.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; + + this._notifyContentPurposeId = Main.inputMethod.connect( + 'notify::content-purpose', this._onContentPurposeHintsChanged.bind(this)); + this._notifyContentHintsId = Main.inputMethod.connect( + 'notify::content-hints', this._onContentPurposeHintsChanged.bind(this)); + this._notifyInputPanelStateId = Main.inputMethod.connect( + 'input-panel-state', (o, state) => this.emit('panel-state', state)); + } + + destroy() { + this._inputSourceManager.disconnect(this._sourceChangedId); + this._inputSourceManager.disconnect(this._sourcesModifiedId); + Main.inputMethod.disconnect(this._notifyContentPurposeId); + Main.inputMethod.disconnect(this._notifyContentHintsId); + Main.inputMethod.disconnect(this._notifyInputPanelStateId); + + // Make sure any buttons pressed by the virtual device are released + // immediately instead of waiting for the next GC cycle + this._virtualDevice.run_dispose(); + } + + _onSourcesModified() { + this.emit('groups-changed'); + } + + _onSourceChanged(inputSourceManager, _oldSource) { + let source = inputSourceManager.currentSource; + this._currentSource = source; + this.emit('active-group', source.id); + } + + _onContentPurposeHintsChanged(method) { + let purpose = method.content_purpose; + let emojiVisible = false; + let keypadVisible = false; + + if (purpose == Clutter.InputContentPurpose.NORMAL || + purpose == Clutter.InputContentPurpose.ALPHA || + purpose == Clutter.InputContentPurpose.PASSWORD || + purpose == Clutter.InputContentPurpose.TERMINAL) + emojiVisible = true; + if (purpose == Clutter.InputContentPurpose.DIGITS || + purpose == Clutter.InputContentPurpose.NUMBER || + purpose == Clutter.InputContentPurpose.PHONE) + keypadVisible = true; + + this.emit('emoji-visible', emojiVisible); + this.emit('keypad-visible', keypadVisible); + } + + 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); |