56 lines
1.6 KiB
Python
56 lines
1.6 KiB
Python
# Copyright (C) 2006, Red Hat, Inc.
|
|
#
|
|
# 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
|
|
|
|
import hippo
|
|
|
|
from sugar.graphics.grid import Grid
|
|
|
|
class MenuStrategy:
|
|
def _get_canvas(self, item):
|
|
canvas = item
|
|
while (not isinstance(canvas, hippo.Canvas)):
|
|
canvas = canvas.get_context()
|
|
return canvas
|
|
|
|
def _get_item_origin(self, canvas, item):
|
|
[x, y] = item.get_context().translate_to_widget(item)
|
|
|
|
[origin_x, origin_y] = canvas.window.get_origin()
|
|
x += origin_x
|
|
y += origin_y
|
|
|
|
return [x, y]
|
|
|
|
def get_menu_position(self, menu, item):
|
|
canvas = self._get_canvas(item)
|
|
|
|
[x, y] = self._get_item_origin(canvas, item)
|
|
[width, height] = item.get_allocation()
|
|
|
|
[canvas_x, canvas_y] = canvas.window.get_origin()
|
|
canvas_rect = 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]
|