Add support for global keybinds

src/mpdnotify.py

@@ -1,6 +1,7 @@
 from gi.repository import GdkPixbuf
 from gi.repository import GLib
 from gi.repository import Gtk
+from gi.repository import Keybinder
 import argparse
 import contextlib
 import dbus.mainloop.glib
@@ -143,6 +144,39 @@ class Notifier(object):
         timer.set_callback(reconnect)
         timer.attach()
 
+    def bind_keys(self):
+        def playpause():
+            status = self.client.status()
+            pause = int(status['state'] == 'play')
+            self.client.pause(pause)
+
+        def volume_down():
+            status = self.client.status()
+            self.client.setvol(int(status['volume']) - 1)
+
+        def volume_up():
+            status = self.client.status()
+            self.client.setvol(int(status['volume']) + 1)
+
+        handlers = {
+            'XF86AudioLowerVolume': volume_down,
+            'XF86AudioRaiseVolume': volume_up,
+            'XF86AudioPlay': playpause,
+            'XF86AudioNext': self.client.next,
+            'XF86AudioPrev': self.client.previous,
+            'XF86AudioStop': self.client.stop,
+        }
+        def callback(keystring):
+            self.client.noidle()
+            try:
+                handlers[keystring]()
+            except Exception as e:
+                sys.stderr.write('{0}\n'.format(e))
+            self.client.send_idle('player')
+        Keybinder.init()
+        for key in handlers.keys():
+            Keybinder.bind(key, callback)
+
     def connect(self):
         self.client._sock = None
         self.client.connect(self.host, self.port)
@@ -223,6 +257,8 @@ def _parse_args():
     parser = argparse.ArgumentParser(add_help=False)
     parser.add_argument('--help', action='help',
                         help='show this help message and exit')
+    parser.add_argument('--no-keybinds', '-k', action='store_true',
+                        default=False, help='Do not bind to multimedia keys')
     parser.add_argument('--no-fork', '-f', action='store_true', default=False,
                         help='Do not fork into the background')
     parser.add_argument('--no-status-icon', action='store_true', default=False,
@@ -265,6 +301,8 @@ def main():
     notifier = Notifier(host, args.port, password)
     if not args.no_status_icon:
         notifier.show_status_icon()
+    if not args.no_keybinds:
+        notifier.bind_keys()
     notifier.start()
 
     def quit():