sugar-toolkit-gtk3/sugar/graphics/button.py
2007-02-07 18:26:39 +01:00

70 lines
2.4 KiB
Python

import gobject
import hippo
from canvasicon import CanvasIcon
from iconcolor import IconColor
from grid import Grid
from sugar import profile
class Button(hippo.CanvasBox):
__gtype_name__ = 'Button'
__gproperties__ = {
'icon-name': (str, None, None, None,
gobject.PARAM_READWRITE),
'active': (bool, None, None, True,
gobject.PARAM_READWRITE)
}
def __init__(self, icon_name):
hippo.CanvasBox.__init__(self)
self._active = True
self._normal_color = IconColor('white')
self._prelight_color = profile.get_color()
self._inactive_color = IconColor('#808080,#424242')
grid = Grid()
self.props.box_width = grid.dimension(1)
self.props.box_height = grid.dimension(1)
self._icon = CanvasIcon(icon_name=icon_name, cache=True,
color=self._normal_color)
self.append(self._icon, hippo.PACK_EXPAND)
self._connect_signals(self._icon)
def do_set_property(self, pspec, value):
if pspec.name == 'icon-name':
self._icon.props.icon_name = 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.get_property('icon-name')
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