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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
from gi.repository import GLib
from gi.repository import Gtk
from gi.repository import GObject
from sugar3.graphics import style
from sugar3.graphics.palette import Palette
from sugar3.graphics.radiotoolbutton import RadioToolButton
from jarabe.frame.frameinvoker import FrameWidgetInvoker
from jarabe.model import shell
class ZoomToolbar(Gtk.Toolbar):
__gsignals__ = {
'level-clicked': (GObject.SignalFlags.RUN_FIRST, None,
([]))
}
def __init__(self):
Gtk.Toolbar.__init__(self)
# we shouldn't be mirrored in RTL locales
self.set_direction(Gtk.TextDirection.LTR)
# ask not to be collapsed if possible
self.set_size_request(4 * style.GRID_CELL_SIZE, -1)
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(icon_name=icon_name, group=group,
accelerator=accelerator)
button.connect('clicked', self.__level_clicked_cb, zoom_level)
self.add(button)
button.show()
palette = Palette(GLib.markup_escape_text(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().set_zoom_level(level)
self.emit('level-clicked')
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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