mpclient: new signal that's emitted when current song's position changes

1 files changed, 7 insertions, 1 deletions

diff --git a/nephilim/mpclient.py b/nephilim/mpclient.py
index 8badbcb..5263ccd 100644
--- a/nephilim/mpclient.py
+++ b/nephilim/mpclient.py
@@ -109,6 +109,7 @@ class MPClient(QtCore.QObject):
     db_updated        = Signal()
     time_changed      = Signal(int)
     song_changed      = Signal(object)
+    songpos_changed   = Signal(object)          # this one's emitted when only current song's position changed
     state_changed     = Signal(str)
     volume_changed    = Signal(int)
     repeat_changed    = Signal(bool)
@@ -460,6 +461,7 @@ class MPClient(QtCore.QObject):
             pass
         if 'playlist'        in subsystems:
             self.playlist_changed.emit()
+            self._command('currentsong', callback = self._update_cur_song)
         if 'output'          in subsystems:
             self._command('outputs', callback = self._update_outputs)
 
@@ -508,11 +510,15 @@ class MPClient(QtCore.QObject):
             self._command('currentsong', callback = self._update_cur_song)
 
     def _update_cur_song(self, data):
+        song = self.cur_song
         try:
             self.cur_song = Song(list(self._parse_objects(data, ''))[0])
         except IndexError:
             self.cur_song = Song()
-        self.song_changed.emit(self.cur_song)
+        if song['id'] != self.cur_song['id']:
+            self.song_changed.emit(self.cur_song)
+        else:
+            self.songpos_changed.emit(self.cur_song)
 
     def _command(self, *cmd, **kwargs):
         """