gnome-shell/js/ui/status/accessibility.js
Jasper St. Pierre 54bec54765 panel: Align the arrows together in the status menus
To align the arrows, we need to allocate panel buttons the full
height of the tray. Fix up all of the panel buttons to support this,
and align the arrows in the middle.

https://bugzilla.gnome.org/show_bug.cgi?id=705845
2013-08-13 06:50:24 -04:00

215 lines
8.2 KiB
JavaScript

// -*- mode: js; js-indent-level: 4; indent-tabs-mode: nil -*-
const Clutter = imports.gi.Clutter;
const Gio = imports.gi.Gio;
const Lang = imports.lang;
const Mainloop = imports.mainloop;
const St = imports.gi.St;
const PanelMenu = imports.ui.panelMenu;
const PopupMenu = imports.ui.popupMenu;
const A11Y_SCHEMA = 'org.gnome.desktop.a11y.keyboard';
const KEY_STICKY_KEYS_ENABLED = 'stickykeys-enable';
const KEY_BOUNCE_KEYS_ENABLED = 'bouncekeys-enable';
const KEY_SLOW_KEYS_ENABLED = 'slowkeys-enable';
const KEY_MOUSE_KEYS_ENABLED = 'mousekeys-enable';
const APPLICATIONS_SCHEMA = 'org.gnome.desktop.a11y.applications';
const DPI_FACTOR_LARGE = 1.25;
const WM_SCHEMA = 'org.gnome.desktop.wm.preferences';
const KEY_VISUAL_BELL = 'visual-bell';
const DESKTOP_INTERFACE_SCHEMA = 'org.gnome.desktop.interface';
const KEY_GTK_THEME = 'gtk-theme';
const KEY_ICON_THEME = 'icon-theme';
const KEY_WM_THEME = 'theme';
const KEY_TEXT_SCALING_FACTOR = 'text-scaling-factor';
const HIGH_CONTRAST_THEME = 'HighContrast';
const ATIndicator = new Lang.Class({
Name: 'ATIndicator',
Extends: PanelMenu.Button,
_init: function() {
this.parent(0.0, _("Accessibility"));
this._hbox = new St.BoxLayout({ style_class: 'panel-status-menu-box' });
this._hbox.add_child(new St.Icon({ style_class: 'system-status-icon',
icon_name: 'preferences-desktop-accessibility-symbolic' }));
this._hbox.add_child(new St.Label({ text: '\u25BE',
y_expand: true,
y_align: Clutter.ActorAlign.CENTER }));
this.actor.add_child(this._hbox);
let highContrast = this._buildHCItem();
this.menu.addMenuItem(highContrast);
let magnifier = this._buildItem(_("Zoom"), APPLICATIONS_SCHEMA,
'screen-magnifier-enabled');
this.menu.addMenuItem(magnifier);
let textZoom = this._buildFontItem();
this.menu.addMenuItem(textZoom);
let screenReader = this._buildItem(_("Screen Reader"), APPLICATIONS_SCHEMA,
'screen-reader-enabled');
this.menu.addMenuItem(screenReader);
let screenKeyboard = this._buildItem(_("Screen Keyboard"), APPLICATIONS_SCHEMA,
'screen-keyboard-enabled');
this.menu.addMenuItem(screenKeyboard);
let visualBell = this._buildItem(_("Visual Alerts"), WM_SCHEMA, KEY_VISUAL_BELL);
this.menu.addMenuItem(visualBell);
let stickyKeys = this._buildItem(_("Sticky Keys"), A11Y_SCHEMA, KEY_STICKY_KEYS_ENABLED);
this.menu.addMenuItem(stickyKeys);
let slowKeys = this._buildItem(_("Slow Keys"), A11Y_SCHEMA, KEY_SLOW_KEYS_ENABLED);
this.menu.addMenuItem(slowKeys);
let bounceKeys = this._buildItem(_("Bounce Keys"), A11Y_SCHEMA, KEY_BOUNCE_KEYS_ENABLED);
this.menu.addMenuItem(bounceKeys);
let mouseKeys = this._buildItem(_("Mouse Keys"), A11Y_SCHEMA, KEY_MOUSE_KEYS_ENABLED);
this.menu.addMenuItem(mouseKeys);
this._syncMenuVisibility();
},
_syncMenuVisibility: function() {
this._syncMenuVisibilityIdle = 0;
let items = this.menu._getMenuItems();
this.actor.visible = items.some(function(f) { return !!f.state; });
return false;
},
_queueSyncMenuVisibility: function() {
if (this._syncMenuVisibilityIdle)
return;
this._syncMenuVisbilityIdle = Mainloop.idle_add(Lang.bind(this, this._syncMenuVisibility));
},
_buildItemExtended: function(string, initial_value, writable, on_set) {
let widget = new PopupMenu.PopupSwitchMenuItem(string, initial_value);
if (!writable)
widget.actor.reactive = false;
else
widget.connect('toggled', function(item) {
on_set(item.state);
});
return widget;
},
_buildItem: function(string, schema, key) {
let settings = new Gio.Settings({ schema: schema });
let widget = this._buildItemExtended(string,
settings.get_boolean(key),
settings.is_writable(key),
function(enabled) {
return settings.set_boolean(key, enabled);
});
settings.connect('changed::'+key, Lang.bind(this, function() {
widget.setToggleState(settings.get_boolean(key));
this._queueSyncMenuVisibility();
}));
return widget;
},
_buildHCItem: function() {
let interfaceSettings = new Gio.Settings({ schema: DESKTOP_INTERFACE_SCHEMA });
let wmSettings = new Gio.Settings({ schema: WM_SCHEMA });
let gtkTheme = interfaceSettings.get_string(KEY_GTK_THEME);
let iconTheme = interfaceSettings.get_string(KEY_ICON_THEME);
let wmTheme = wmSettings.get_string(KEY_WM_THEME);
let hasHC = (gtkTheme == HIGH_CONTRAST_THEME);
let highContrast = this._buildItemExtended(
_("High Contrast"),
hasHC,
interfaceSettings.is_writable(KEY_GTK_THEME) &&
interfaceSettings.is_writable(KEY_ICON_THEME) &&
wmSettings.is_writable(KEY_WM_THEME),
function (enabled) {
if (enabled) {
interfaceSettings.set_string(KEY_GTK_THEME, HIGH_CONTRAST_THEME);
interfaceSettings.set_string(KEY_ICON_THEME, HIGH_CONTRAST_THEME);
wmSettings.set_string(KEY_WM_THEME, HIGH_CONTRAST_THEME);
} else if(!hasHC) {
interfaceSettings.set_string(KEY_GTK_THEME, gtkTheme);
interfaceSettings.set_string(KEY_ICON_THEME, iconTheme);
wmSettings.set_string(KEY_WM_THEME, wmTheme);
} else {
interfaceSettings.reset(KEY_GTK_THEME);
interfaceSettings.reset(KEY_ICON_THEME);
wmSettings.reset(KEY_WM_THEME);
}
});
interfaceSettings.connect('changed::' + KEY_GTK_THEME, Lang.bind(this, function() {
let value = interfaceSettings.get_string(KEY_GTK_THEME);
if (value == HIGH_CONTRAST_THEME) {
highContrast.setToggleState(true);
} else {
highContrast.setToggleState(false);
gtkTheme = value;
}
this._queueSyncMenuVisibility();
}));
interfaceSettings.connect('changed::' + KEY_ICON_THEME, function() {
let value = interfaceSettings.get_string(KEY_ICON_THEME);
if (value != HIGH_CONTRAST_THEME)
iconTheme = value;
});
wmSettings.connect('changed::' + KEY_WM_THEME, function() {
let value = wmSettings.get_string(KEY_WM_THEME);
if (value != HIGH_CONTRAST_THEME)
wmTheme = value;
});
return highContrast;
},
_buildFontItem: function() {
let settings = new Gio.Settings({ schema: DESKTOP_INTERFACE_SCHEMA });
let factor = settings.get_double(KEY_TEXT_SCALING_FACTOR);
let initial_setting = (factor > 1.0);
let widget = this._buildItemExtended(_("Large Text"),
initial_setting,
settings.is_writable(KEY_TEXT_SCALING_FACTOR),
function (enabled) {
if (enabled)
settings.set_double(KEY_TEXT_SCALING_FACTOR,
DPI_FACTOR_LARGE);
else
settings.reset(KEY_TEXT_SCALING_FACTOR);
});
settings.connect('changed::' + KEY_TEXT_SCALING_FACTOR, Lang.bind(this, function() {
let factor = settings.get_double(KEY_TEXT_SCALING_FACTOR);
let active = (factor > 1.0);
widget.setToggleState(active);
this._queueSyncMenuVisibility();
}));
return widget;
}
});
const ATGreeterIndicator = new Lang.Class({
Name: 'ATGreeterIndicator',
Extends: ATIndicator,
// Override visibility handling to be always visible
_syncMenuVisibility: function() { },
_queueSyncMenuVisibility: function() { }
});