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# Copyright (C) 2007, One Laptop Per Child
#
# 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 sys
import gobject
import hippo
from canvasicon import CanvasIcon
from xocolor import XoColor
from sugar.graphics import units
from sugar import profile
STANDARD_SIZE = 0
SMALL_SIZE = 1
class IconButton(CanvasIcon):
__gtype_name__ = 'SugarIconButton'
__gproperties__ = {
'size' : (int, None, None,
0, sys.maxint, STANDARD_SIZE,
gobject.PARAM_READWRITE),
'active' : (bool, None, None, True,
gobject.PARAM_READWRITE)
}
def __init__(self, **kwargs):
self._active = True
CanvasIcon.__init__(self, cache=True, **kwargs)
self._prelight_color = profile.get_color()
self._inactive_color = XoColor('#808080,#424242')
self._normal_color = XoColor('white')
if not self.props.xo_color:
self.props.xo_color = self._normal_color
self._set_size(STANDARD_SIZE)
self.connect('button-press-event', self._button_press_event_cb)
def _set_size(self, size):
if size == SMALL_SIZE:
self.props.box_width = -1
self.props.box_height = -1
self.props.scale = units.SMALL_ICON_SCALE
else:
self.props.box_width = units.grid_to_pixels(1)
self.props.box_height = units.grid_to_pixels(1)
self.props.scale = units.STANDARD_ICON_SCALE
self._size = size
def do_set_property(self, pspec, value):
if pspec.name == 'size':
self._set_size(value)
elif pspec.name == 'active':
self._active = value
if self._active:
self.props.xo_color = self._normal_color
else:
self.props.xo_color = self._inactive_color
else:
CanvasIcon.do_set_property(self, pspec, value)
def do_get_property(self, pspec):
if pspec.name == 'size':
return self._size
elif pspec.name == 'active':
return self._active
else:
return CanvasIcon.do_get_property(self, pspec)
def _button_press_event_cb(self, widget, event):
if self._active:
self.emit_activated()
return True
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