Source code for stoqlib.gui.base.gtkadds

# -*- coding: utf-8 -*-
# vi:si:et:sw=4:sts=4:ts=4

##
## Copyright (C) 2005-2011 Async Open Source
##
## This program 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 program 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 program; if not, write to the Free Software
## Foundation, Inc., or visit: http://www.gnu.org/.
##
##
## Author(s): Stoq Team <stoq-devel@async.com.br>
##
""" Some extra methods to deal with gtk/kiwi widgets """

import gtk
import pango


def change_button_appearance(button, icon=None, text=None):
    alignment = button.get_children()[0]
    hbox = alignment.get_children()[0]
    image, label = hbox.get_children()
    if icon:
        image.set_from_stock(icon, gtk.ICON_SIZE_BUTTON)
    if text is not None:
        label.set_text_with_mnemonic(text)


def set_bold(widget):
    bold = pango.AttrWeight(pango.WEIGHT_HEAVY, 0, -1)
    attrs = pango.AttrList()
    attrs.insert(bold)
    widget.set_property('attributes', attrs)


def button_set_image_with_label(button, stock_id, text):
    """Sets an image above the text
    :param button:
    :param stock_id:
    :param text:
    """

    # Base on code in gazpacho by Lorenzo Gil Sanchez.
    if button.get_child():
        button.remove(button.get_child())

    align = gtk.Alignment(0.5, 0.5, 1.0, 1.0)
    box = gtk.VBox()
    align.add(box)
    image = gtk.Image()
    image.set_from_stock(stock_id, gtk.ICON_SIZE_LARGE_TOOLBAR)
    label = gtk.Label(text)
    if '_' in text:
        label.set_use_underline(True)

    box.pack_start(image)
    box.pack_start(label)

    align.show_all()
    button.add(align)