/usr/share/cinnamon/js/ui/keyboard.js is in cinnamon-common 3.6.7-8ubuntu1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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const Caribou = imports.gi.Caribou;
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 St = imports.gi.St;
const BoxPointer = imports.ui.boxpointer;
const Main = imports.ui.main;
const MessageTray = imports.ui.messageTray;
const KEYBOARD_SCHEMA = 'org.cinnamon.keyboard';
const KEYBOARD_TYPE = 'keyboard-type';
const KEYBOARD_SIZE = 'keyboard-size';
const KEYBOARD_POSITION = 'keyboard-position';
const ACTIVATION_MODE = 'activation-mode';
const A11Y_APPLICATIONS_SCHEMA = 'org.cinnamon.desktop.a11y.applications';
const SHOW_KEYBOARD = 'screen-keyboard-enabled';
const CaribouKeyboardIface =
"<node> \
<interface name='org.gnome.Caribou.Keyboard'> \
<method name='Show'> \
<arg type='u' direction='in' /> \
</method> \
<method name='Hide'> \
<arg type='u' direction='in' /> \
</method> \
<method name='SetCursorLocation'> \
<arg type='i' direction='in' /> \
<arg type='i' direction='in' /> \
<arg type='i' direction='in' /> \
<arg type='i' direction='in' /> \
</method> \
<method name='SetEntryLocation'> \
<arg type='i' direction='in' /> \
<arg type='i' direction='in' /> \
<arg type='i' direction='in' /> \
<arg type='i' direction='in' /> \
</method> \
<property name='Name' access='read' type='s' /> \
</interface> \
</node>";
function Key() {
this._init.apply(this, arguments);
}
Key.prototype = {
_init : function(key) {
this._key = key;
this.actor = this._makeKey();
this.actor.connect('destroy', Lang.bind(this, this._onDestroy));
this._extended_keys = this._key.get_extended_keys();
this._extended_keyboard = null;
if (this._key.name == 'Control_L' || this._key.name == 'Alt_L')
this._key.latch = true;
this._key.connect('key-pressed', Lang.bind(this, function ()
{ this.actor.checked = true }));
this._key.connect('key-released', Lang.bind(this, function ()
{ this.actor.checked = false; }));
if (this._extended_keys.length > 0) {
this._grabbed = false;
this._eventCaptureId = 0;
this._key.connect('notify::show-subkeys', Lang.bind(this, this._onShowSubkeysChanged));
this._boxPointer = new BoxPointer.BoxPointer(St.Side.BOTTOM,
{ x_fill: true,
y_fill: true,
x_align: St.Align.START });
// Adds style to existing keyboard style to avoid repetition
this._boxPointer.actor.add_style_class_name('keyboard-subkeys');
this._getExtendedKeys();
this.actor._extended_keys = this._extended_keyboard;
this._boxPointer.actor.hide();
Main.layoutManager.addChrome(this._boxPointer.actor, { visibleInFullscreen: true });
}
},
_onDestroy: function() {
if (this._boxPointer) {
this._boxPointer.actor.destroy();
this._boxPointer = null;
}
},
_makeKey: function () {
let label = GLib.markup_escape_text(this._key.label, -1);
let button = new St.Button ({ label: label,
style_class: 'keyboard-key' });
button.key_width = this._key.width;
button.connect('button-press-event', Lang.bind(this, function () { this._key.press(); }));
button.connect('button-release-event', Lang.bind(this, function () { this._key.release(); }));
return button;
},
_getUnichar: function(key) {
let keyval = key.keyval;
let unichar = Gdk.keyval_to_unicode(keyval);
if (unichar) {
return String.fromCharCode(unichar);
} else {
return key.name;
}
},
_getExtendedKeys: function () {
this._extended_keyboard = new St.BoxLayout({ style_class: 'keyboard-layout',
vertical: false });
for (let i = 0; i < this._extended_keys.length; ++i) {
let extended_key = this._extended_keys[i];
let label = this._getUnichar(extended_key);
let key = new St.Button({ label: label, style_class: 'keyboard-key' });
key.extended_key = extended_key;
key.connect('button-press-event', Lang.bind(this, function () { extended_key.press(); }));
key.connect('button-release-event', Lang.bind(this, function () { extended_key.release(); }));
this._extended_keyboard.add(key);
}
this._boxPointer.bin.add_actor(this._extended_keyboard);
},
_onEventCapture: function (actor, event) {
let source = event.get_source();
let type = event.type();
if ((type == Clutter.EventType.BUTTON_PRESS ||
type == Clutter.EventType.BUTTON_RELEASE) &&
this._extended_keyboard.contains(source)) {
source.extended_key.press();
source.extended_key.release();
return false;
}
if (type == Clutter.EventType.BUTTON_PRESS) {
this._boxPointer.actor.hide();
this._ungrab();
return true;
}
return false;
},
_ungrab: function () {
global.stage.disconnect(this._eventCaptureId);
this._eventCaptureId = 0;
this._grabbed = false;
Main.popModal(this.actor);
},
_onShowSubkeysChanged: function () {
if (this._key.show_subkeys) {
this.actor.fake_release();
this._boxPointer.actor.raise_top();
this._boxPointer.setPosition(this.actor, 0.5);
this._boxPointer.show(true);
this.actor.set_hover(false);
if (!this._grabbed) {
Main.pushModal(this.actor);
this._eventCaptureId = global.stage.connect('captured-event', Lang.bind(this, this._onEventCapture));
this._grabbed = true;
}
this._key.release();
} else {
if (this._grabbed)
this._ungrab();
this._boxPointer.hide(true);
}
}
};
function Keyboard() {
this._init.apply(this, arguments);
}
Keyboard.prototype = {
_init: function () {
this._impl = Gio.DBusExportedObject.wrapJSObject(CaribouKeyboardIface, this);
this._impl.export(Gio.DBus.session, '/org/gnome/Caribou/Keyboard');
this.actor = null;
this.monitorIndex = 0;
this._focusInExtendedKeys = false;
this._timestamp = global.display.get_current_time_roundtrip();
Main.layoutManager.connect('monitors-changed', Lang.bind(this, this._redraw));
this._keyboardSettings = new Gio.Settings({ schema_id: KEYBOARD_SCHEMA });
this._keyboardSettings.connect('changed', Lang.bind(this, this._settingsChanged));
this._a11yApplicationsSettings = new Gio.Settings({ schema_id: A11Y_APPLICATIONS_SCHEMA });
this._a11yApplicationsSettings.connect('changed', Lang.bind(this, this._settingsChanged));
this._settingsChanged();
},
init: function () {
this._redraw();
},
// _compareTimestamp:
//
// Compare two timestamps taking into account
// CURRENT_TIME (0)
_compareTimestamp: function(one, two) {
if (one == two)
return 0;
if (one == Clutter.CURRENT_TIME)
return 1;
if (two == Clutter.CURRENT_TIME)
return -1;
return one - two;
},
_settingsChanged: function (settings, key) {
this._enableKeyboard = this._a11yApplicationsSettings.get_boolean(SHOW_KEYBOARD);
this.accessibleMode = this._keyboardSettings.get_string(ACTIVATION_MODE) == "accessible";
this.keyboard_size = this._keyboardSettings.get_int(KEYBOARD_SIZE);
this.keyboard_position = this._keyboardSettings.get_string(KEYBOARD_POSITION);
if (!this._enableKeyboard && !this._keyboard)
return;
if (this._enableKeyboard && this._keyboard &&
this._keyboard.keyboard_type == this._keyboardSettings.get_string(KEYBOARD_TYPE))
return;
if (this._keyboard)
this._destroyKeyboard();
if (this._enableKeyboard) {
// If we've been called because the setting actually just
// changed to true (as opposed to being called from
// this._init()), then we want to pop up the keyboard.
let showKeyboard = (settings != null);
// However, caribou-gtk-module or this._onKeyFocusChanged
// will probably immediately tell us to hide it, so we
// have to fake things out so we'll ignore that request.
if (showKeyboard)
this._timestamp = global.display.get_current_time_roundtrip() + 1;
this._setupKeyboard(showKeyboard);
} else
Main.layoutManager.hideKeyboard(true);
},
_destroyKeyboard: function() {
if (this._keyboardNotifyId)
this._keyboard.disconnect(this._keyboardNotifyId);
if (this._focusNotifyId)
global.stage.disconnect(this._focusNotifyId);
this._keyboard = null;
this.actor.destroy();
this.actor = null;
},
_setupKeyboard: function(show) {
this.actor = new St.BoxLayout({ name: 'keyboard', vertical: true, reactive: true });
Main.layoutManager.keyboardBox.add_actor(this.actor);
Main.layoutManager.trackChrome(this.actor);
this._keyboard = new Caribou.KeyboardModel({ keyboard_type: this._keyboardSettings.get_string(KEYBOARD_TYPE) });
this._groups = {};
this._current_page = null;
// Initialize keyboard key measurements
this._numOfHorizKeys = 0;
this._numOfVertKeys = 0;
this._addKeys();
// Keys should be layout according to the group, not the
// locale; as Caribou already provides the expected layout,
// this means enforcing LTR for all locales.
this.actor.text_direction = Clutter.TextDirection.LTR;
//this._keyboardNotifyId = this._keyboard.connect('notify::active-group', Lang.bind(this, this._onGroupChanged));
//this._focusNotifyId = global.stage.connect('notify::key-focus', Lang.bind(this, this._onKeyFocusChanged));
if (show)
this.show();
},
_onKeyFocusChanged: function () {
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.Show(time);
else
this.Hide(time);
},
_addKeys: function () {
let groups = this._keyboard.get_groups();
for (let i = 0; i < groups.length; ++i) {
let gname = groups[i];
let group = this._keyboard.get_group(gname);
group.connect('notify::active-level', Lang.bind(this, this._onLevelChanged));
let layers = {};
let levels = group.get_levels();
for (let j = 0; j < levels.length; ++j) {
let lname = levels[j];
let level = group.get_level(lname);
let layout = new St.BoxLayout({ style_class: 'keyboard-layout',
vertical: true });
this._loadRows(level, layout);
layers[lname] = layout;
this.actor.add(layout, { x_fill: false });
layout.hide();
}
this._groups[gname] = layers;
}
this._setActiveLayer();
},
_addRows : function (keys, layout) {
let keyboard_row = new St.BoxLayout();
for (let i = 0; i < keys.length; ++i) {
let children = keys[i].get_children();
let right_box = new St.BoxLayout({ style_class: 'keyboard-row' });
let left_box = new St.BoxLayout({ style_class: 'keyboard-row' });
for (let j = 0; j < children.length; ++j) {
if (this._numOfHorizKeys == 0)
this._numOfHorizKeys = children.length;
let key = children[j];
let button = new Key(key);
if (key.align == 'right')
right_box.add(button.actor);
else
left_box.add(button.actor);
if (key.name == 'Caribou_Prefs') {
key.connect('key-released', Lang.bind(this, this.hide));
}
}
keyboard_row.add(left_box, { expand: true, x_fill: false, x_align: St.Align.START });
keyboard_row.add(right_box, { expand: true, x_fill: false, x_align: St.Align.END });
}
layout.add(keyboard_row);
},
_loadRows : function (level, layout) {
let rows = level.get_rows();
for (let i = 0; i < rows.length; ++i) {
let row = rows[i];
if (this._numOfVertKeys == 0)
this._numOfVertKeys = rows.length;
this._addRows(row.get_columns(), layout);
}
},
_redraw: function () {
if (!this._enableKeyboard)
return;
let focus = Main.layoutManager.focusMonitor;
let index = Main.layoutManager.focusIndex;
let panel = null;
if (Main.panelManager)
panel = Main.panelManager.getPanel(index, true);
if (panel)
this._panelPadding = panel.actor.height;
else
this._panelPadding = 0;
Main.layoutManager.keyboardBox.set_size(focus.width, -1);
this.actor.width = focus.width;
let maxHeight = focus.height / this.keyboard_size;
this.monitorIndex = index;
let layout = this._current_page;
let verticalSpacing = layout.get_theme_node().get_length('spacing');
let padding = layout.get_theme_node().get_length('padding');
let box = layout.get_child_at_index(0).get_child_at_index(0);
let horizontalSpacing = box.get_theme_node().get_length('spacing');
let allHorizontalSpacing = (this._numOfHorizKeys - 1) * horizontalSpacing;
let keyWidth = Math.floor((this.actor.width - allHorizontalSpacing - 2 * padding) / this._numOfHorizKeys);
let allVerticalSpacing = (this._numOfVertKeys - 1) * verticalSpacing;
let keyHeight = Math.floor((maxHeight - allVerticalSpacing - 2 * padding) / this._numOfVertKeys);
let keySize = Math.min(keyWidth, keyHeight);
this.actor.height = (keySize * this._numOfVertKeys) + allVerticalSpacing + (2 * padding) + this._panelPadding;
let keyboard_y = 0;
if (this.keyboard_position == "bottom") {
keyboard_y = focus.y + focus.height - this.actor.height;
}
Main.layoutManager.keyboardBox.set_position(focus.x, keyboard_y);
let rows = this._current_page.get_children();
for (let i = 0; i < rows.length; ++i) {
let keyboard_row = rows[i];
let boxes = keyboard_row.get_children();
for (let j = 0; j < boxes.length; ++j) {
let keys = boxes[j].get_children();
for (let k = 0; k < keys.length; ++k) {
let child = keys[k];
child.width = keySize * child.key_width;
child.height = keySize;
if (child._extended_keys) {
let extended_keys = child._extended_keys.get_children();
for (let n = 0; n < extended_keys.length; ++n) {
let extended_key = extended_keys[n];
extended_key.width = keySize;
extended_key.height = keySize;
}
}
}
}
}
},
_onLevelChanged: function () {
this._setActiveLayer();
this._redraw();
},
_onGroupChanged: function () {
this._setActiveLayer();
this._redraw();
},
_setActiveLayer: function () {
let active_group_name = this._keyboard.active_group;
let active_group = this._keyboard.get_group(active_group_name);
let active_level = active_group.active_level;
let layers = this._groups[active_group_name];
if (this._current_page != null) {
this._current_page.hide();
}
this._current_page = layers[active_level];
this._current_page.show();
},
toggle: function() {
if (!this._a11yApplicationsSettings.get_boolean(SHOW_KEYBOARD)) {
/* This will show the keyboard also, so we don't need to do a separate call */
this._a11yApplicationsSettings.set_boolean (SHOW_KEYBOARD, true);
} else {
if (Main.layoutManager.keyboardBox.visible)
this.hide();
else
this.show();
}
},
show: function () {
let needs_redraw = this.monitorIndex != Main.layoutManager.focusIndex;
if (!Main.layoutManager._keyboardVisible || needs_redraw)
this._redraw();
Main.layoutManager.showKeyboard();
},
hide: function () {
Main.layoutManager.queueHideKeyboard();
},
_moveTemporarily: function () {
let currentWindow = global.screen.get_display().focus_window;
let rect = currentWindow.get_outer_rect();
let newX = rect.x;
let newY = 3 * this.actor.height / 2;
currentWindow.move_frame(true, newX, newY);
},
_setLocation: function (x, y) {
if (y >= 2 * this.actor.height)
this._moveTemporarily();
},
shouldTakeEvent: function(event) {
let actor = event.get_source();
return Main.layoutManager.keyboardBox.contains(actor) ||
actor.maybeGet("_extended_keys") ||
actor.maybeGet("extended_key");
},
// D-Bus methods
Show: function(timestamp) {
if (!this._enableKeyboard || !this.accessibleMode)
return;
if (this._compareTimestamp(timestamp, this._timestamp) < 0)
return;
if (timestamp != Clutter.CURRENT_TIME)
this._timestamp = timestamp;
this.show();
},
Hide: function(timestamp) {
if (!this._enableKeyboard || !this.accessibleMode)
return;
if (this._compareTimestamp(timestamp, this._timestamp) < 0)
return;
if (timestamp != Clutter.CURRENT_TIME)
this._timestamp = timestamp;
this.hide();
},
SetCursorLocation: function(x, y, w, h) {
if (!this._enableKeyboard || !this.accessibleMode)
return;
},
SetEntryLocation: function(x, y, w, h) {
if (!this._enableKeyboard || !this.accessibleMode)
return;
},
get Name() {
return 'cinnamon';
}
};
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