73 lines
2.1 KiB
Python
73 lines
2.1 KiB
Python
# Copyright (C) 2006, Red Hat, Inc.
|
|
#
|
|
# 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 gobject
|
|
|
|
class MenuShell(gobject.GObject):
|
|
__gsignals__ = {
|
|
'activated': (gobject.SIGNAL_RUN_FIRST,
|
|
gobject.TYPE_NONE, ([])),
|
|
'deactivated': (gobject.SIGNAL_RUN_FIRST,
|
|
gobject.TYPE_NONE, ([])),
|
|
}
|
|
|
|
def __init__(self, parent_canvas):
|
|
gobject.GObject.__init__(self)
|
|
|
|
self._parent_canvas = parent_canvas
|
|
self._menu_controller = None
|
|
|
|
def is_active(self):
|
|
return (self._menu_controller != None)
|
|
|
|
def set_active(self, controller):
|
|
if controller == None:
|
|
self.emit('deactivated')
|
|
else:
|
|
self.emit('activated')
|
|
|
|
if self._menu_controller:
|
|
self._menu_controller.popdown()
|
|
self._menu_controller = controller
|
|
|
|
def _get_item_origin(self, item):
|
|
[x, y] = item.get_context().translate_to_widget(item)
|
|
|
|
[origin_x, origin_y] = self._parent_canvas.window.get_origin()
|
|
x += origin_x
|
|
y += origin_y
|
|
|
|
return [x, y]
|
|
|
|
def get_position(self, menu, item):
|
|
[x, y] = self._get_item_origin(item)
|
|
[width, height] = item.get_allocation()
|
|
|
|
[canvas_x, canvas_y] = self._parent_canvas.window.get_origin()
|
|
canvas_rect = self._parent_canvas.get_allocation()
|
|
[menu_w, menu_h] = menu.size_request()
|
|
|
|
menu_x = x
|
|
menu_y = y + height
|
|
|
|
if (menu_x + menu_w > canvas_x) and \
|
|
(menu_y < canvas_y + canvas_rect.height):
|
|
menu_x = x - menu_w
|
|
menu_y = y
|
|
|
|
return [menu_x, menu_y]
|