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# Copyright (C) 2009, Aleksey Lim
#
# This library is free software; you can redistribute it and/or
# modify it under the terms of the GNU Lesser General Public
# License as published by the Free Software Foundation; either
# version 2 of the License, or (at your option) any later version.
#
# This library 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
# Lesser General Public License for more details.
#
# You should have received a copy of the GNU Lesser General Public
# License along with this library; if not, write to the
# Free Software Foundation, Inc., 59 Temple Place - Suite 330,
# Boston, MA 02111-1307, USA.
import gtk
from sugar.graphics.toolbutton import ToolButton
from sugar.graphics.palette import Palette
class RadioMenuButton(ToolButton):
def __init__(self, **kwargs):
ToolButton.__init__(self, **kwargs)
self.selected_button = None
if self.props.palette:
self.__palette_cb(None, None)
self.connect('clicked', self.__clicked_cb)
self.connect('notify::palette', self.__palette_cb)
def _do_clicked(self):
if self.palette is None:
return
if self.palette.is_up() and \
self.palette.palette_state == Palette.SECONDARY:
self.palette.popdown(immediate=True)
else:
self.palette.popup(immediate=True)
self.palette.props.invoker.emit('right-click')
def __palette_cb(self, widget, pspec):
if not isinstance(self.props.palette, RadioPalette):
return
self.props.palette.update_button()
def __clicked_cb(self, button):
self._do_clicked()
class RadioToolsButton(RadioMenuButton):
def __init__(self, **kwargs):
RadioMenuButton.__init__(self, **kwargs)
def _do_clicked(self):
if not self.selected_button:
return
self.selected_button.emit('clicked')
class RadioPalette(Palette):
def __init__(self, **kwargs):
Palette.__init__(self, **kwargs)
self.button_box = gtk.HBox()
self.button_box.show()
self.set_content(self.button_box)
def append(self, button, label):
children = self.button_box.get_children()
if button.palette is not None:
raise RuntimeError("Palette's button should not have sub-palettes")
button.show()
button.connect('clicked', self.__clicked_cb)
self.button_box.pack_start(button, fill=False)
button.palette_label = label
if not children:
self.__clicked_cb(button)
def update_button(self):
for i in self.button_box.get_children():
self.__clicked_cb(i)
def __clicked_cb(self, button):
if not button.get_active():
return
self.set_primary_text(button.palette_label)
self.popdown(immediate=True)
if self.props.invoker is not None:
parent = self.props.invoker.parent
else:
parent = None
if not isinstance(parent, RadioMenuButton):
return
parent.props.label = button.palette_label
parent.set_icon(button.props.icon_name)
parent.selected_button = button
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