sugarlabs/sugar-toolkit-gtk3
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Some fixes

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This commit is contained in:
Marco Pesenti Gritti 2006-10-06 11:17:38 +02:00
parent b33a1c141f
commit 953b5bf286
1 changed files with 13 additions and 9 deletions
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22
sugar/graphics/snowflakebox.py
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@ -10,7 +10,7 @@ _FLAKE_DISTANCE = 6
class SnowflakeBox(hippo.CanvasBox, hippo.CanvasItem): class SnowflakeBox(hippo.CanvasBox, hippo.CanvasItem):
__gtype_name__ = 'SugarSnowflakeBox' __gtype_name__ = 'SugarSnowflakeBox'
def __init__(self, **kwargs): def __init__(self, **kwargs):
CanvasBox.__init__(self, **kwargs) hippo.CanvasBox.__init__(self, **kwargs)
self._root = None self._root = None
self._r = 0 self._r = 0
@ -28,10 +28,10 @@ class SnowflakeBox(hippo.CanvasBox, hippo.CanvasItem):
def _layout_child(self, child, index): def _layout_child(self, child, index):
r = self._r r = self._r
if (len(box.get_children()) > 10): if (len(self.get_children()) > 10):
r += _FLAKE_DISTANCE * (index % 3) r += _FLAKE_DISTANCE * (index % 3)
angle = 2 * math.pi / len(box.get_children()) * index angle = 2 * math.pi / len(self.get_children()) * index
[width, height] = child.get_allocation() [width, height] = child.get_allocation()
x = self._cx + math.cos(angle) * r - (width / 2) x = self._cx + math.cos(angle) * r - (width / 2)
@ -40,8 +40,10 @@ class SnowflakeBox(hippo.CanvasBox, hippo.CanvasItem):
self.move(child, int(x), int(y)) self.move(child, int(x), int(y))
def do_get_width_request(self): def do_get_width_request(self):
hippo.CanvasBox.do_get_width_request(self)
max_child_size = 0 max_child_size = 0
for child in box.get_children(): for child in self.get_children():
[width, height] = child.get_allocation() [width, height] = child.get_allocation()
max_child_size = max (max_child_size, width) max_child_size = max (max_child_size, width)
max_child_size = max (max_child_size, height) max_child_size = max (max_child_size, height)
@ -49,19 +51,21 @@ class SnowflakeBox(hippo.CanvasBox, hippo.CanvasItem):
return self._r * 2 + max_child_size + _FLAKE_DISTANCE * 2 return self._r * 2 + max_child_size + _FLAKE_DISTANCE * 2
def do_get_height_request(self, width): def do_get_height_request(self, width):
hippo.CanvasBox.do_get_height_request(self, width)
return width return width
def do_allocate(self, width, height): def do_allocate(self, width, height):
self._r = _BASE_RADIUS + _CHILDREN_FACTOR * len(box.get_children()) self._r = _BASE_RADIUS + _CHILDREN_FACTOR * len(self.get_children())
hippo.CanvasBox.do_allocate(self, width, height) hippo.CanvasBox.do_allocate(self, width, height)
self._cx = self.get_width_request() / 2 self._cx = width / 2
self._cy = self.get_height_request() / 2 self._cy = height / 2
self._layout_root(box) self._layout_root()
index = 0 index = 0
for child in box.get_children(): for child in self.get_children():
self._layout_child(child, index) self._layout_child(child, index)
index += 1 index += 1