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# @Base: Miro - an RSS based video player application
# Copyright (C) 2005, 2006, 2007, 2008, 2009, 2010, 2011
# Participatory Culture Foundation
#
# 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., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
#
# In addition, as a special exception, the copyright holders give
# permission to link the code of portions of this program with the OpenSSL
# library.
#
# You must obey the GNU General Public License in all respects for all of
# the code used other than OpenSSL. If you modify file(s) with this
# exception, you may extend this exception to your version of the file(s),
# but you are not obligated to do so. If you do not wish to do so, delete
# this exception statement from your version. If you delete this exception
# statement from all source files in the program, then also delete it here.
"""keymap.py -- Map portable key values to GTK ones.
"""
import gtk
from lvc.widgets import keyboard
menubar_mod_map = {
keyboard.MOD: '<Ctrl>',
keyboard.CTRL: '<Ctrl>',
keyboard.ALT: '<Alt>',
keyboard.SHIFT: '<Shift>',
}
menubar_key_map = {
keyboard.RIGHT_ARROW: 'Right',
keyboard.LEFT_ARROW: 'Left',
keyboard.UP_ARROW: 'Up',
keyboard.DOWN_ARROW: 'Down',
keyboard.SPACE: 'space',
keyboard.ENTER: 'Return',
keyboard.DELETE: 'Delete',
keyboard.BKSPACE: 'BackSpace',
keyboard.ESCAPE: 'Escape',
'>': 'greater',
'<': 'less'
}
for i in range(1, 13):
name = 'F%d' % i
menubar_key_map[getattr(keyboard, name)] = name
# These are reversed versions of menubar_key_map and menubar_mod_map
gtk_key_map = dict((i[1], i[0]) for i in menubar_key_map.items())
def get_accel_string(shortcut):
mod_str = ''.join(menubar_mod_map[mod] for mod in shortcut.modifiers)
key_str = menubar_key_map.get(shortcut.shortcut, shortcut.shortcut)
return mod_str + key_str
def translate_gtk_modifiers(event):
"""Convert a keypress event to a set of modifiers from the shortcut
module.
"""
modifiers = set()
if event.state & gtk.gdk.CONTROL_MASK:
modifiers.add(keyboard.CTRL)
if event.state & gtk.gdk.MOD1_MASK:
modifiers.add(keyboard.ALT)
if event.state & gtk.gdk.SHIFT_MASK:
modifiers.add(keyboard.SHIFT)
return modifiers
def translate_gtk_event(event):
"""Convert a GTK key event into the tuple (key, modifiers) where
key and modifiers are from the shortcut module.
"""
gtk_keyval = gtk.gdk.keyval_name(event.keyval)
if gtk_keyval is None:
return None
if len(gtk_keyval) == 1:
key = gtk_keyval
else:
key = gtk_key_map.get(gtk_keyval)
modifiers = translate_gtk_modifiers(event)
return key, modifiers
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