sugar-toolkit-gtk3/sugar/canvas/CanvasBox.py
Marco Pesenti Gritti 5086f2835e Forgot to add files
2006-09-13 13:50:17 +02:00

44 lines
969 B
Python

import goocanvas
class CanvasBox(goocanvas.Group):
VERTICAL = 0
HORIZONTAL = 1
def __init__(self, grid, orientation, padding=0):
goocanvas.Group.__init__(self)
self._grid = grid
self._orientation = orientation
self._padding = padding
self._constraints = {}
self.connect('child-added', self._child_added_cb)
self.connect('child-removed', self._child_removed_cb)
def set_constraints(self, item, width, height):
self._constraints[item] = [width, height]
def _layout(self):
x = self._padding
y = self._padding
i = 0
while i < self.get_n_children():
item = self.get_child(i)
[width, height] = self._constraints[item]
self._grid.set_constraints(item, x, y, width, height)
if self._orientation == CanvasBox.VERTICAL:
y += height + self._padding
else:
x += width + self._padding
i += 1
def _child_added_cb(self, item, position):
self._layout()
def _child_removed_cb(self, item, position):
self._layout()