diff options
author | Marco Pesenti Gritti <marco@localhost.localdomain> | 2007-07-05 09:22:09 (GMT) |
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committer | Marco Pesenti Gritti <marco@localhost.localdomain> | 2007-07-05 09:22:09 (GMT) |
commit | 91654729bfcc2a7a8859e35751bf163273608d57 (patch) | |
tree | ebd9291fa1984b743f30a9d6bef2ff42feec7e49 /sugar | |
parent | 2164f22197843dd08551700e2dbd42a65cc7ef81 (diff) |
Refactor the snowflake layout to use the new hippo layout managers.
Cleanup the logic.
Better test.
Make it internal.
Diffstat (limited to 'sugar')
-rw-r--r-- | sugar/graphics/Makefile.am | 1 | ||||
-rw-r--r-- | sugar/graphics/snowflakebox.py | 106 |
2 files changed, 0 insertions, 107 deletions
diff --git a/sugar/graphics/Makefile.am b/sugar/graphics/Makefile.am index 303a9b9..c15c502 100644 --- a/sugar/graphics/Makefile.am +++ b/sugar/graphics/Makefile.am @@ -16,7 +16,6 @@ sugar_PYTHON = \ roundbox.py \ palette.py \ panel.py \ - snowflakebox.py \ spreadbox.py \ toggletoolbutton.py \ toolbox.py \ diff --git a/sugar/graphics/snowflakebox.py b/sugar/graphics/snowflakebox.py deleted file mode 100644 index 81e5981..0000000 --- a/sugar/graphics/snowflakebox.py +++ /dev/null @@ -1,106 +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 cairo -import hippo - -from sugar.graphics import units - -_BASE_RADIUS = units.points_to_pixels(20) -_CHILDREN_FACTOR = 1 -_FLAKE_DISTANCE = units.points_to_pixels(4) - -class SnowflakeBox(hippo.CanvasBox, hippo.CanvasItem): - __gtype_name__ = 'SugarSnowflakeBox' - def __init__(self, **kwargs): - hippo.CanvasBox.__init__(self, **kwargs) - self._root = None - - def set_root(self, icon): - self._root = icon - - 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 _layout_root(self): - [width, height] = self._root.get_allocation() - [cx, cy] = self._get_center() - - x = cx - (width / 2) - y = cy - (height / 2) - - self.set_position(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 (self._get_n_children() > 10): - r += _FLAKE_DISTANCE * (index % 3) - - angle = 2 * math.pi * index / self._get_n_children() - - [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) - - self.set_position(child, int(x), int(y)) - - def _calculate_size(self): - max_child_size = 0 - - for child in self.get_children(): - [min_w, natural_w] = child.get_width_request() - [min_h, natural_h] = child.get_height_request(min_w) - max_child_size = max (max_child_size, min_w) - max_child_size = max (max_child_size, min_h) - - return self._get_radius() * 2 + max_child_size + _FLAKE_DISTANCE * 2 - - def do_get_height_request(self, for_width): - hippo.CanvasBox.do_get_height_request(self, for_width) - - size = self._calculate_size() - - return (size, size) - - def do_get_width_request(self): - hippo.CanvasBox.do_get_width_request(self) - - size = self._calculate_size() - - return (size, size) - - def do_allocate(self, width, height, origin_changed): - hippo.CanvasBox.do_allocate(self, width, height, origin_changed) - - self._layout_root() - - index = 0 - for child in self.get_children(): - if child != self._root: - self._layout_child(child, index) - index += 1 |