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#!/usr/bin/python
#
# Copyright (C) 2008  Red Hat, Inc.
#
# 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, see <http://www.gnu.org/licenses/>.
#
# Author(s): Luke Macken <lmacken@redhat.com>
#            Miroslav Lichvar <mlichvar@redhat.com>
#            Edward Sheldrake <ejsheldrake@gmail.com>


import xdg.Menu, xdg.DesktopEntry, xdg.Config
import re, sys, os
from xml.sax.saxutils import escape

icons = True
try:
	from gi.repository import Gtk
except ImportError:
	icons = False

def icon_attr(entry):
	if icons is False:
		return ''

	name = entry.getIcon()

	if os.path.exists(name):
		return ' icon="' + name + '"'

	# work around broken .desktop files
	# unless the icon is a full path it should not have an extension
	name = re.sub('\..{3,4}$', '', name)

	# imlib2 cannot load svg
	iconinfo = theme.lookup_icon(name, 22, Gtk.IconLookupFlags.NO_SVG)
	if iconinfo:
		iconfile = iconinfo.get_filename()
		if hasattr(iconinfo, 'free'):
			iconinfo.free()
		if iconfile:
			return ' icon="' + iconfile + '"'
	return ''

def escape_utf8(s):
	if isinstance(s, unicode):
		s = s.encode('utf-8', 'xmlcharrefreplace')
	return escape(s)

def entry_name(entry):
	return escape_utf8(entry.getName())

def walk_menu(entry):
	if isinstance(entry, xdg.Menu.Menu) and entry.Show is True:
		print '<menu id="%s" label="%s"%s>' \
			% (entry_name(entry),
			entry_name(entry),
			escape_utf8(icon_attr(entry)))
		map(walk_menu, entry.getEntries())
		print '</menu>'
	elif isinstance(entry, xdg.Menu.MenuEntry) and entry.Show is True:
		name = entry_name(entry.DesktopEntry)
		print '	<item label="%s"%s>' % (name.replace('"', ''),
			escape_utf8(icon_attr(entry.DesktopEntry)))
		command = re.sub(' -caption "%c"| -caption %c',
			' -caption "%s"' % name,
			escape_utf8(entry.DesktopEntry.getExec()))
		command = re.sub(' [^ ]*%[fFuUdDnNickvm]', '', command)
		if entry.DesktopEntry.getTerminal():
			command = 'xterm -title "%s" -e %s' % (name, command)
		print '		<action name="Execute">' + \
			'<command>%s</command></action>' % command
		print '	</item>'

if len(sys.argv) > 1:
	menufile = sys.argv[1] + '.menu'
else:
	menufile = 'applications.menu'

lang = os.environ.get('LANG')
if lang:
	xdg.Config.setLocale(lang)

# lie to get the same menu as in GNOME
xdg.Config.setWindowManager('GNOME')

if icons:
  theme = Gtk.IconTheme.get_default()

menu = xdg.Menu.parse(menufile)

print '<?xml version="1.0" encoding="UTF-8"?>'
print '<openbox_pipe_menu>'
map(walk_menu, menu.getEntries())
print '</openbox_pipe_menu>'