diff options
Diffstat (limited to 'sugar/graphics/snowflakebox.py')
| -rw-r--r-- | sugar/graphics/snowflakebox.py | 100 |
1 files changed, 50 insertions, 50 deletions
diff --git a/sugar/graphics/snowflakebox.py b/sugar/graphics/snowflakebox.py index 2af11cd..30f5b05 100644 --- a/sugar/graphics/snowflakebox.py +++ b/sugar/graphics/snowflakebox.py @@ -25,72 +25,72 @@ _CHILDREN_FACTOR = 1 _FLAKE_DISTANCE = 6 class SnowflakeBox(hippo.CanvasBox, hippo.CanvasItem): - __gtype_name__ = 'SugarSnowflakeBox' - def __init__(self, **kwargs): - hippo.CanvasBox.__init__(self, **kwargs) - self._root = None + __gtype_name__ = 'SugarSnowflakeBox' + def __init__(self, **kwargs): + hippo.CanvasBox.__init__(self, **kwargs) + self._root = None - def set_root(self, icon): - self._root = icon + def set_root(self, icon): + self._root = icon - def _get_center(self): - [width, height] = self.get_allocation() - return [width / 2, height / 2] + def _get_center(self): + [width, height] = self.get_allocation() + return [width / 2, height / 2] - def _get_radius(self): - return _BASE_RADIUS + _CHILDREN_FACTOR * self._get_n_children() + def _get_radius(self): + return _BASE_RADIUS + _CHILDREN_FACTOR * self._get_n_children() - def _layout_root(self): - [width, height] = self._root.get_allocation() - [cx, cy] = self._get_center() + def _layout_root(self): + [width, height] = self._root.get_allocation() + [cx, cy] = self._get_center() - x = cx - (width / 2) - y = cy - (height / 2) + x = cx - (width / 2) + y = cy - (height / 2) - self.move(self._root, int(x), int(y)) + self.move(self._root, int(x), int(y)) - def _get_n_children(self): - return len(self.get_children()) - 1 + def _get_n_children(self): + return len(self.get_children()) - 1 - def _layout_child(self, child, index): - r = self._get_radius() - if (self._get_n_children() > 10): - r += _FLAKE_DISTANCE * (index % 3) + def _layout_child(self, child, index): + r = self._get_radius() + if (self._get_n_children() > 10): + r += _FLAKE_DISTANCE * (index % 3) - angle = 2 * math.pi * index / self._get_n_children() + angle = 2 * math.pi * index / self._get_n_children() - [width, height] = child.get_allocation() - [cx, cy] = self._get_center() + [width, height] = child.get_allocation() + [cx, cy] = self._get_center() - x = cx + math.cos(angle) * r - (width / 2) - y = cy + math.sin(angle) * r - (height / 2) + x = cx + math.cos(angle) * r - (width / 2) + y = cy + math.sin(angle) * r - (height / 2) - self.move(child, int(x), int(y)) + self.move(child, int(x), int(y)) - def do_get_width_request(self): - hippo.CanvasBox.do_get_width_request(self) + def do_get_width_request(self): + hippo.CanvasBox.do_get_width_request(self) - max_child_size = 0 - for child in self.get_children(): - width = child.get_width_request() - height = child.get_height_request(width) - max_child_size = max (max_child_size, width) - max_child_size = max (max_child_size, height) + max_child_size = 0 + for child in self.get_children(): + width = child.get_width_request() + height = child.get_height_request(width) + max_child_size = max (max_child_size, width) + max_child_size = max (max_child_size, height) - return self._get_radius() * 2 + \ - max_child_size + _FLAKE_DISTANCE * 2 + return self._get_radius() * 2 + \ + max_child_size + _FLAKE_DISTANCE * 2 - def do_get_height_request(self, width): - hippo.CanvasBox.do_get_height_request(self, width) - return width + def do_get_height_request(self, width): + hippo.CanvasBox.do_get_height_request(self, width) + return width - def do_allocate(self, width, height): - hippo.CanvasBox.do_allocate(self, width, height) + def do_allocate(self, width, height): + hippo.CanvasBox.do_allocate(self, width, height) - self._layout_root() + self._layout_root() - index = 0 - for child in self.get_children(): - if child != self._root: - self._layout_child(child, index) - index += 1 + index = 0 + for child in self.get_children(): + if child != self._root: + self._layout_child(child, index) + index += 1 |