Rewrite for hippo

This commit is contained in:
Marco Pesenti Gritti 2006-10-05 17:46:36 +02:00
parent 6479962ca7
commit 0533d1ffd6

View File

@ -3,27 +3,37 @@ import hippo
from sugar.graphics.grid import Grid from sugar.graphics.grid import Grid
class MenuStrategy: class MenuStrategy:
def get_menu_position(self, menu, item): def _get_canvas(self, item):
[x, y] = item.get_context().translate_to_widget(item)
canvas = item canvas = item
while (not isinstance(canvas, hippo.Canvas)): while (not isinstance(canvas, hippo.Canvas)):
canvas = canvas.get_context() 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() [origin_x, origin_y] = canvas.window.get_origin()
x += origin_x x += origin_x
y += origin_y 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() [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) menu_x = x
[grid_x2, grid_y2] = grid.fit_point(x + width, y + height) menu_y = y + height
menu_grid_x = grid_x1 if (menu_x + menu_w > canvas_x) and \
menu_grid_y = grid_y2 (menu_y < canvas_y + canvas_rect.height):
menu_x = x - menu_w
[menu_x, menu_y] = grid.point(menu_grid_x, menu_grid_y) menu_y = y
return [menu_x, menu_y] return [menu_x, menu_y]