#
# Kiwi: a Framework and Enhanced Widgets for Python
#
# Copyright (C) 2003-2005 Async Open Source
#
# 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 2.1 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
#
# Author(s): Christian Reis <kiko@async.com.br>
# Gustavo Rahal <gustavo@async.com.br>
# Lorenzo Gil Sanchez <lgs@sicem.biz>
# Evandro Vale Miquelito <evandro@async.com.br>
#
"""GtkSpinButton support for the Kiwi Framework
"""
import gobject
import gtk
from kiwi.datatypes import number, ValueUnset
from kiwi.python import deprecationwarn
from kiwi.ui.proxywidget import ProxyWidgetMixin, ValidatableProxyWidgetMixin
from kiwi.utils import gsignal, type_register
[docs]class ProxySpinButton(gtk.SpinButton, ValidatableProxyWidgetMixin):
"""
A SpinButton subclass which adds supports for the Kiwi Framework.
This widget supports validation
The only allowed types for spinbutton are int and float.
"""
__gtype_name__ = 'ProxySpinButton'
data_type = gobject.property(
getter=ProxyWidgetMixin.get_data_type,
setter=ProxyWidgetMixin.set_data_type,
type=str, blurb='Data Type')
mandatory = gobject.property(type=bool, default=False)
model_attribute = gobject.property(type=str, blurb='Model attribute')
gsignal('content-changed')
gsignal('validation-changed', bool)
gsignal('validate', object, retval=object)
allowed_data_types = number
def __init__(self, data_type=int):
# since the default data_type is str we need to set it to int
# or float for spinbuttons
gtk.SpinButton.__init__(self)
ValidatableProxyWidgetMixin.__init__(self)
self.props.data_type = data_type
self.set_property('xalign', 1.0)
gsignal('changed', 'override')
[docs] def do_changed(self):
"""Called when the content of the spinbutton changes.
"""
# This is a work around, because GtkEditable.changed is called too
# often, as reported here: http://bugzilla.gnome.org/show_bug.cgi?id=64998
if self.get_text() != '':
self.emit('content-changed')
self.chain()
[docs] def update(self, data):
if data is None or data is ValueUnset:
self.set_text("")
else:
# set_value accepts a float or int, no as_string conversion needed,
# and since we accept only int and float just send it in.
self.set_value(data)
# Old IconEntry API
[docs] def set_pixbuf(self, pixbuf):
# Spinbuttons are always right aligned
self.set_property('primary-icon-pixbuf', pixbuf)
[docs]class SpinButton(ProxySpinButton):
def __init__(self):
deprecationwarn(
'SpinButton is deprecated, use ProxySpinButton instead',
stacklevel=3)
ProxySpinButton.__init__(self)
type_register(SpinButton)