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Rewrite for hippo

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This commit is contained in:
Marco Pesenti Gritti 2006-10-05 17:46:36 +02:00
parent 6479962ca7
commit 0533d1ffd6
1 changed files with 20 additions and 10 deletions
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30
shell/view/frame/MenuStrategy.py
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@ -3,27 +3,37 @@ import hippo
from sugar.graphics.grid import Grid
class MenuStrategy:
def get_menu_position(self, menu, item):
[x, y] = item.get_context().translate_to_widget(item)
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()
grid = Grid()
[canvas_x, canvas_y] = canvas.window.get_origin()
canvas_rect = canvas.get_allocation()
[menu_w, menu_h] = menu.size_request()
[grid_x1, grid_y1] = grid.fit_point(x, y)
[grid_x2, grid_y2] = grid.fit_point(x + width, y + height)
menu_x = x
menu_y = y + height
menu_grid_x = grid_x1
menu_grid_y = grid_y2
[menu_x, menu_y] = grid.point(menu_grid_x, menu_grid_y)
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]