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fc5ab44704
gnome-shell/js/ui/keyboard.js
Carlos Garnacho fc5ab44704 keyboard: Implement standalone FocusTracker 
And stop using FocusCaretTracker for caret position purposes. This
new object uses 1) the text-input protocol in wayland and 2) Info
from IBusPanelService for X11 (which is meant to work for XIM too).

This drops the usage of AtspiEventListener for OSK purposes, which
is best to avoid.
2018-07-11 18:32:32 +02:00

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JavaScript
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// -*- 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() {
let monitor = Main.layoutManager.keyboardMonitor;
if (this.actor == null || monitor == null)
return;
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);
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