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-rw-r--r--lvc/widgets/gtk/keymap.py94
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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 == 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