terminator/terminatorlib/util.py

#!/usr/bin/python
#    Terminator.util - misc utility functions
#    Copyright (C) 2006-2008  cmsj@tenshu.net
#
#  This program is free software; you can redistribute it and/or modify
#  it under the terms of the GNU General Public License as published by
#  the Free Software Foundation, version 2 only.
#
#  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 General Public License for more details.
#
#  You should have received a copy of the GNU General Public License
#  along with this program; if not, write to the Free Software
#  Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
"""Terminator.util - misc utility functions"""

import sys
import gtk

# set this to true to enable debugging output
DEBUG = True

def dbg(log = ""):
    """Print a message if debugging is enabled"""
    if DEBUG:
        print >> sys.stderr, log

def err(log = ""):
    """Print an error message"""
    print >> sys.stderr, log

def gerr(message = None):
    """Display a graphical error. This should only be used for serious
    errors as it will halt execution"""

    dialog = gtk.MessageDialog(None, gtk.DIALOG_MODAL,
            gtk.MESSAGE_ERROR, gtk.BUTTONS_OK, message)
    dialog.run()

def has_ancestor(widget, type):
    """Walk up the family tree of widget to see if any ancestors are of type"""
    while widget:
        widget = widget.get_parent()
        if isinstance(widget, type):
            return(True)
    return(False)