gramps/src/constfunc.py

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#
# Gramps - a GTK+/GNOME based genealogy program
#
# Copyright (C) 2000-2006 Donald N. Allingham
# Copyright (C) 2009 Brian G. Matherly
# Copyright (C) 2009 Peter G. Landgren
# 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; 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 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
#
2010-02-08 13:56:54 +05:30
# $Id:constfunc.py 14272 2010-02-07 19:11:00Z ldnp $
"""
Some independent constants/functions that can be safely imported
without any translation happening yet. Do _not_ add imports that will
perform a translation on import, eg gtk.
"""
#------------------------------------------------------------------------
#
# python modules
#
#------------------------------------------------------------------------
import platform
import sys
#-------------------------------------------------------------------------
#
# Gramps modules
#
#-------------------------------------------------------------------------
from const import WINDOWS, MACOS, LINUX
#-------------------------------------------------------------------------
#
# Public Functions
#
#-------------------------------------------------------------------------
#-------------------------------------------------------------------------
#
# Platform determination functions
#
#-------------------------------------------------------------------------
def lin():
"""
Return True if a linux system
Note: Normally do as linux in else statement of a check !
"""
if platform.system() in LINUX:
return True
return False
def mac():
"""
Return True if a Macintosh system
"""
if platform.system() in MACOS:
return True
return False
def win():
"""
Return True if a windows system
"""
if platform.system() in WINDOWS:
return True
return False
## The following functions do import gtk, but only when called. They
## should only be called after translation system has been
## initialized!
def is_quartz():
"""
Tests to see if Python is currently running with gtk and
windowing system is Mac OS-X's "quartz".
"""
if mac():
try:
import gtk
except:
return False
return gtk.gdk.WINDOWING == "quartz"
return False
def has_display():
"""
Tests to see if Python is currently running with gtk and
windowing system is Mac OS-X's "quartz".
"""
# FIXME: currently, gtk.init_check() requires all strings
# in argv, and we might have unicode.
temp, sys.argv = sys.argv, sys.argv[:1]
try:
import gtk
except:
return False
try:
gtk.init_check()
sys.argv = temp
return True
except:
sys.argv = temp
return False
# A couple of places add menu accelerators using <alt>, which doesn't
# work with Gtk-quartz. <Meta> is the usually correct replacement, but
# in one case the key is a number, and <meta>number is used by Spaces
# (a mac feature), so we'll use control instead.
def mod_key():
"""
Returns a string to pass to an accelerator map.
"""
if is_quartz():
return "<ctrl>"
return "<alt>"