sugarlabs/sugar-toolkit-gtk3
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Fix children counting

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This commit is contained in:
Marco Pesenti Gritti 2006-10-10 01:14:24 +02:00
parent 7fa1b02a82
commit 279ebda451
2 changed files with 15 additions and 6 deletions
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9
sugar/graphics/snowflakebox.py
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@ -21,7 +21,7 @@ class SnowflakeBox(hippo.CanvasBox, hippo.CanvasItem):
return [width / 2, height / 2]
def _get_radius(self):
return _BASE_RADIUS + _CHILDREN_FACTOR * len(self.get_children())
return _BASE_RADIUS + _CHILDREN_FACTOR * self._get_n_children()
def _layout_root(self):
[width, height] = self._root.get_allocation()
@ -32,12 +32,15 @@ class SnowflakeBox(hippo.CanvasBox, hippo.CanvasItem):
self.move(self._root, int(x), int(y))
def _get_n_children(self):
return len(self.get_children()) - 1
def _layout_child(self, child, index):
r = self._get_radius()
if (len(self.get_children()) > 10):
if (self._get_n_children() > 10):
r += _FLAKE_DISTANCE * (index % 3)
angle = 2 * math.pi / len(self.get_children()) * index
angle = 2 * math.pi * index / self._get_n_children()
[width, height] = child.get_allocation()
[cx, cy] = self._get_center()

12
tests/test-snowflake-box.py
View File

@ -40,9 +40,15 @@ canvas = hippo.Canvas()
root_box = hippo.CanvasBox(background_color=0xe2e2e2ff)
canvas.set_root(root_box)
box = SnowflakeBox()
snow_flake = _create_snowflake(box, 30)
root_box.append(box)
box1 = SnowflakeBox()
snow_flake = _create_snowflake(box1, 30)
root_box.append(box1, hippo.PACK_FIXED)
root_box.move(box1, 0, 0)
box2 = SnowflakeBox()
snow_flake = _create_snowflake(box2, 10)
root_box.append(box2, hippo.PACK_FIXED)
root_box.move(box2, 400, 0)
canvas.show()
window.add(canvas)