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# Ubuntu Tweak - Ubuntu Configuration Tool
#
# Copyright (C) 2007-2011 Tualatrix Chou <tualatrix@gmail.com>
#
# Ubuntu Tweak is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2 of the License, or
# (at your option) any later version.
#
# Ubuntu Tweak is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with Ubuntu Tweak; if not, write to the Free Software Foundation, Inc.,
# 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA
import os
import logging
from gi.repository import Gtk, GdkPixbuf
from ubuntutweak import system
from ubuntutweak.factory import WidgetFactory
from ubuntutweak.modules import TweakModule
from ubuntutweak.gui.treeviews import get_local_path
from ubuntutweak.gui.containers import ListPack, GridPack
from ubuntutweak.policykit import PK_ACTION_TWEAK
from ubuntutweak.utils import theme
from ubuntutweak.settings.configsettings import SystemConfigSetting
from ubuntutweak.settings.gsettings import GSetting
log = logging.getLogger('LoginSettings')
class LoginSettings(TweakModule):
__title__ = _('Login Settings')
__desc__ = _('Control the appearance and behaviour of your login screen')
__icon__ = 'gdm-setup'
__policykit__ = PK_ACTION_TWEAK
__category__ = 'startup'
__desktop__ = ['ubuntu', 'ubuntu-2d', 'gnome-classic', 'gnome-shell', 'gnome-fallback']
utext_draw_grid = _('Draw grid:')
utext_login_sound = _('Play login sound:')
utext_gtk_theme = _('Gtk theme:')
utext_icon_theme = _('Icon theme:')
def __init__(self):
TweakModule.__init__(self, 'loginsettings.ui')
if system.CODENAME != 'oneiric':
valid_themes = theme.get_valid_themes()
valid_icon_themes = theme.get_valid_icon_themes()
self.login_box = GridPack(
WidgetFactory.create('Switch',
label=self.utext_draw_grid,
key='50_unity-greeter.gschema.override::com.canonical.unity-greeter#draw-grid',
backend='systemconfig'),
WidgetFactory.create('Switch',
label=self.utext_login_sound,
key='50_unity-greeter.gschema.override::com.canonical.unity-greeter#play-ready-sound',
backend='systemconfig'),
WidgetFactory.create('ComboBox',
label=self.utext_gtk_theme,
key='50_unity-greeter.gschema.override::com.canonical.unity-greeter#theme-name',
backend='systemconfig',
texts=valid_themes,
values=valid_themes),
WidgetFactory.create('ComboBox',
label=self.utext_icon_theme,
key='50_unity-greeter.gschema.override::com.canonical.unity-greeter#icon-theme-name',
backend='systemconfig',
texts=valid_icon_themes,
values=valid_icon_themes),
)
self.login_box.set_sensitive(False)
self.add_start(self.login_box, False, False, 0)
self.add_start(Gtk.Separator(), False, False, 6)
self._setup_logo_image()
self._setup_background_image()
box = ListPack('', (self.main_vbox))
self.add_start(box, False, False, 0)
def _setup_logo_image(self):
if system.CODENAME == 'oneiric':
self._greeter_logo = SystemConfigSetting('/etc/lightdm/unity-greeter.conf::greeter#logo')
else:
self._greeter_logo = SystemConfigSetting('50_unity-greeter.gschema.override::com.canonical.unity-greeter#logo', type=str)
logo_path = self._greeter_logo.get_value()
if logo_path:
self.logo_image.set_from_file(logo_path)
def _setup_background_image(self):
if system.CODENAME == 'oneiric':
self._greeter_background = SystemConfigSetting('/etc/lightdm/unity-greeter.conf::greeter#background')
else:
self._greeter_background = SystemConfigSetting('50_unity-greeter.gschema.override::com.canonical.unity-greeter#background', type=str)
background_path = self._greeter_background.get_value()
log.debug("Setup the background file: %s" % background_path)
if background_path:
try:
pixbuf = GdkPixbuf.Pixbuf.new_from_file(background_path)
pixbuf = pixbuf.scale_simple(160, 120, GdkPixbuf.InterpType.NEAREST)
self.background_image.set_from_pixbuf(pixbuf)
except Exception, e:
log.error("Loading background failed, message is %s" % e)
def _get_desktop_background_path(self):
return get_local_path(GSetting('org.gnome.desktop.background.picture-uri').get_value())
def on_polkit_action(self, widget):
self.main_vbox.set_sensitive(True)
if hasattr(self, 'login_box'):
self.login_box.set_sensitive(True)
def on_logo_button_clicked(self, widget):
dialog = Gtk.FileChooserDialog(_('Choose a new logo image'),
action=Gtk.FileChooserAction.OPEN,
buttons=(Gtk.STOCK_REVERT_TO_SAVED, Gtk.ResponseType.DELETE_EVENT,
Gtk.STOCK_CANCEL, Gtk.ResponseType.CANCEL,
Gtk.STOCK_OPEN, Gtk.ResponseType.ACCEPT))
filter = Gtk.FileFilter()
filter.set_name(_('All images (*.PNG)'))
filter.add_pattern('*.png')
dialog.set_current_folder(os.path.expanduser('~'))
dialog.add_filter(filter)
self._set_preview_widget_for_dialog(dialog)
orignal_logo = '/usr/share/unity-greeter/logo.png'
filename = ''
response = dialog.run()
if response == Gtk.ResponseType.ACCEPT:
filename = dialog.get_filename()
dialog.destroy()
if filename:
self._greeter_logo.set_value(filename)
self._setup_logo_image()
elif response == Gtk.ResponseType.DELETE_EVENT:
dialog.destroy()
self._greeter_logo.set_value(orignal_logo)
self._setup_logo_image()
else:
dialog.destroy()
return
def _set_preview_widget_for_dialog(self, dialog):
preview = Gtk.Image()
dialog.set_preview_widget(preview)
dialog.connect('update-preview', self.on_update_preview, preview)
def on_update_preview(self, dialog, preview):
filename = dialog.get_preview_filename()
try:
pixbuf = GdkPixbuf.Pixbuf.new_from_file_at_size(filename, 128, 128)
except Exception, e:
log.error(e)
pixbuf = None
if pixbuf:
preview.set_from_pixbuf(pixbuf)
dialog.set_preview_widget_active(True)
else:
dialog.set_preview_widget_active(False)
def on_background_button_clicked(self, widget):
dialog = Gtk.FileChooserDialog(_('Choose a new background image'),
action=Gtk.FileChooserAction.OPEN,
buttons=(Gtk.STOCK_REVERT_TO_SAVED, Gtk.ResponseType.DELETE_EVENT,
Gtk.STOCK_CANCEL, Gtk.ResponseType.CANCEL,
Gtk.STOCK_OPEN, Gtk.ResponseType.ACCEPT))
filter = Gtk.FileFilter()
filter.set_name(_('All images'))
filter.add_pattern('*.jpg')
filter.add_pattern('*.png')
dialog.set_current_folder('/usr/share/backgrounds')
dialog.add_filter(filter)
self._set_preview_widget_for_dialog(dialog)
orignal_background = '/usr/share/backgrounds/warty-final-ubuntu.png'
filename = ''
response = dialog.run()
if response == Gtk.ResponseType.ACCEPT:
filename = dialog.get_filename()
log.debug("Get background file, the path is: %s" % filename)
dialog.destroy()
if filename:
self._greeter_background.set_value(filename)
self._setup_background_image()
elif response == Gtk.ResponseType.DELETE_EVENT:
dialog.destroy()
self._greeter_background.set_value(orignal_background)
self._setup_background_image()
else:
dialog.destroy()
return
def on_same_background_button_clicked(self, widget):
log.debug('on_same_background_button_clicked')
background_path = self._get_desktop_background_path()
if background_path and \
background_path != self._greeter_background.get_value():
self._greeter_background.set_value(background_path)
self._setup_background_image()
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