diff options
Diffstat (limited to 'src/view/home/snowflakelayout.py')
| -rw-r--r-- | src/view/home/snowflakelayout.py | 108 |
1 files changed, 0 insertions, 108 deletions
diff --git a/src/view/home/snowflakelayout.py b/src/view/home/snowflakelayout.py deleted file mode 100644 index 1eb58cf..0000000 --- a/src/view/home/snowflakelayout.py +++ /dev/null @@ -1,108 +0,0 @@ -# Copyright (C) 2006-2007 Red Hat, Inc. -# -# This library is free software; you can redistribute it and/or -# modify it under the terms of the GNU Lesser General Public -# License as published by the Free Software Foundation; either -# version 2 of the License, or (at your option) any later version. -# -# This library is distributed in the hope that it will be useful, -# but WITHOUT ANY WARRANTY; without even the implied warranty of -# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU -# Lesser General Public License for more details. -# -# You should have received a copy of the GNU Lesser General Public -# License along with this library; if not, write to the -# Free Software Foundation, Inc., 59 Temple Place - Suite 330, -# Boston, MA 02111-1307, USA. - -import math - -import gobject -import hippo - -from sugar.graphics import style - -_BASE_DISTANCE = style.zoom(15) -_CHILDREN_FACTOR = style.zoom(3) - -class SnowflakeLayout(gobject.GObject,hippo.CanvasLayout): - __gtype_name__ = 'SugarSnowflakeLayout' - def __init__(self): - gobject.GObject.__init__(self) - self._nflakes = 0 - - def add(self, child, center=False): - if not center: - self._nflakes += 1 - - self._box.append(child) - - box_child = self._box.find_box_child(child) - box_child.is_center = center - - def remove(self, child): - box_child = self._box.find_box_child(child) - if not box_child.is_center: - self._nflakes -= 1 - - self._box.remove(child) - - def do_set_box(self, box): - self._box = box - - def do_get_height_request(self, for_width): - size = self._calculate_size() - return (size, size) - - def do_get_width_request(self): - size = self._calculate_size() - return (size, size) - - def do_allocate(self, x, y, width, height, - req_width, req_height, origin_changed): - r = self._get_radius() - index = 0 - - for child in self._box.get_layout_children(): - cx = x + width / 2 - cy = x + height / 2 - - min_width, child_width = child.get_width_request() - min_height, child_height = child.get_height_request(child_width) - - if child.is_center: - child.allocate(x + (width - child_width) / 2, - y + (height - child_height) / 2, - child_width, child_height, origin_changed) - else: - angle = 2 * math.pi * index / self._nflakes - - dx = math.cos(angle) * r - dy = math.sin(angle) * r - - child_x = int(x + (width - child_width) / 2 + dx) - child_y = int(y + (height - child_height) / 2 + dy) - - child.allocate(child_x, child_y, child_width, - child_height, origin_changed) - - index += 1 - - def _get_radius(self): - radius = int(_BASE_DISTANCE + _CHILDREN_FACTOR * self._nflakes) - for child in self._box.get_layout_children(): - if child.is_center: - [min_w, child_w] = child.get_width_request() - [min_h, child_h] = child.get_height_request(child_w) - radius += max(child_w, child_h) / 2 - - return radius - - def _calculate_size(self): - thickness = 0 - for child in self._box.get_layout_children(): - [min_width, child_width] = child.get_width_request() - [min_height, child_height] = child.get_height_request(child_width) - thickness = max(thickness, max(child_width, child_height)) - - return self._get_radius() * 2 + thickness |