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# Copyright (C) 2006-2007 Red Hat, Inc.
# Copyright (C) 2009 Simon Schampijer
#
# This program 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.
#
# This program 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 this program; if not, write to the Free Software
# Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
from gettext import gettext as _
import logging
import gtk
from sugar.graphics.palette import Palette
from sugar.graphics.radiotoolbutton import RadioToolButton
from jarabe.frame.frameinvoker import FrameWidgetInvoker
from jarabe.model import shell
class ZoomToolbar(gtk.Toolbar):
def __init__(self):
gtk.Toolbar.__init__(self)
# we shouldn't be mirrored in RTL locales
self.set_direction(gtk.TEXT_DIR_LTR)
self._mesh_button = self._add_button('zoom-neighborhood',
_('Neighborhood'), _('F1'), shell.ShellModel.ZOOM_MESH)
self._groups_button = self._add_button('zoom-groups',
_('Group'), _('F2'), shell.ShellModel.ZOOM_GROUP)
self._home_button = self._add_button('zoom-home',
_('Home'), _('F3'), shell.ShellModel.ZOOM_HOME)
self._activity_button = self._add_button('zoom-activity',
_('Activity'), _('F4'), shell.ShellModel.ZOOM_ACTIVITY)
shell_model = shell.get_model()
self._set_zoom_level(shell_model.zoom_level)
shell_model.zoom_level_changed.connect(self.__zoom_level_changed_cb)
def _add_button(self, icon_name, label, accelerator, zoom_level):
if self.get_children():
group = self.get_children()[0]
else:
group = None
button = RadioToolButton(named_icon=icon_name, group=group,
accelerator=accelerator)
button.connect('clicked', self.__level_clicked_cb, zoom_level)
self.add(button)
button.show()
palette = Palette(label)
palette.props.invoker = FrameWidgetInvoker(button)
palette.set_group_id('frame')
button.set_palette(palette)
return button
def __level_clicked_cb(self, button, level):
if not button.get_active():
return
shell.get_model().zoom_level = level
def __zoom_level_changed_cb(self, **kwargs):
self._set_zoom_level(kwargs['new_level'])
def _set_zoom_level(self, new_level):
logging.debug('new zoom level: %r', new_level)
if new_level == shell.ShellModel.ZOOM_MESH:
self._mesh_button.props.active = True
elif new_level == shell.ShellModel.ZOOM_GROUP:
self._groups_button.props.active = True
elif new_level == shell.ShellModel.ZOOM_HOME:
self._home_button.props.active = True
elif new_level == shell.ShellModel.ZOOM_ACTIVITY:
self._activity_button.props.active = True
else:
raise ValueError('Invalid zoom level: %r' % (new_level))
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