sugar-toolkit-gtk3/sugar/graphics/button.py

86 lines
3.2 KiB
Python

# 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 gobject
import hippo
from canvasicon import CanvasIcon
from iconcolor import IconColor
from sugar import profile
class Button(hippo.CanvasBox):
__gtype_name__ = 'Button'
__gproperties__ = {
'icon-name' : (str, None, None, None, gobject.PARAM_READWRITE),
'scale' : (float, None, None, 0.0, 1024.0, 1.0,
gobject.PARAM_READWRITE),
'active' : (bool, None, None, True, gobject.PARAM_READWRITE)
}
def __init__(self, icon_name):
self._normal_color = IconColor('white')
self._prelight_color = profile.get_color()
self._inactive_color = IconColor('#808080,#424242')
self._active = True
self._icon = CanvasIcon(icon_name=icon_name, cache=True,
color=self._normal_color)
self._connect_signals(self._icon)
hippo.CanvasBox.__init__(self)
self.append(self._icon, hippo.PACK_EXPAND)
def do_set_property(self, pspec, value):
if pspec.name == 'icon-name':
self._icon.props.icon_name = value
elif pspec.name == 'scale':
self._icon.props.scale = value
elif pspec.name == 'active':
self._active = value
if self._active:
self._icon.props.color = self._normal_color
else:
self._icon.props.color = self._inactive_color
else:
hippo.CanvasBox.do_set_property(self, pspec, value)
def do_get_property(self, pspec):
if pspec.name == 'icon-name':
return self._icon.props.icon_name
elif pspec.name == 'scale':
return self._icon.props.scale
elif pspec.name == 'active':
return self._active
else:
return hippo.CanvasBox.get_property(self, pspec)
def _connect_signals(self, item):
item.connect('button-release-event', self._button_release_event_cb)
# TODO: Prelighting is disabled by now. Need to figure how we want it to behave.
#item.connect('motion-notify-event', self._motion_notify_event_cb)
def _button_release_event_cb(self, widget, event):
if self._active:
self.emit_activated()
def _motion_notify_event_cb(self, widget, event):
if self._active and event.detail == hippo.MOTION_DETAIL_ENTER:
self._icon.props.color = self._prelight_color
elif self._active and event.detail == hippo.MOTION_DETAIL_LEAVE:
self._icon.props.color = self._normal_color