X-Git-Url: https://git.cworth.org/git?a=blobdiff_plain;ds=sidebyside;f=scherzo.c;h=0ff68d125d17e072ff911ac28a351c36244f3b52;hb=4000561216687a173abf597a0fd26d2c336954fc;hp=88cae44fe4cdb85bde4669a41e713f463767915c;hpb=05c28164f342656bd02bb4c6607b938bb8d3f2b1;p=scherzo

diff --git a/scherzo.c b/scherzo.c
index 88cae44..0ff68d1 100644
--- a/scherzo.c
+++ b/scherzo.c
@@ -358,6 +358,7 @@ on_midi_input (unused (GIOChannel *channel),
     ssize_t remaining;
     snd_seq_event_t event;
     score_note_t *note;
+    int need_redraw = FALSE;
 
     remaining = read (scherzo->midi_fd, buf, MIDI_BUF_SIZE);
 
@@ -378,12 +379,12 @@ on_midi_input (unused (GIOChannel *channel),
 	case SND_SEQ_EVENT_NOTEON:
 	    note = scherzo_add_note_midi (scherzo, event.data.note.note);
 	    _judge_note (scherzo, note);
-	    gtk_widget_queue_draw (scherzo->window);
+	    need_redraw = TRUE;
 	    break;
 	case SND_SEQ_EVENT_NOTEOFF:
 	    scherzo_remove_note_midi (scherzo, event.data.note.note);
 	    _score_challenge (scherzo);
-	    gtk_widget_queue_draw (scherzo->window);
+	    need_redraw = TRUE;
 	    break;
 	case SND_SEQ_EVENT_CLOCK:
 	    /* Ignore for now as my piano sends a constant stream of these. */
@@ -397,7 +398,10 @@ on_midi_input (unused (GIOChannel *channel),
 	    break;
 	}
     }
-    
+
+    if (need_redraw)
+	gtk_widget_queue_draw (scherzo->window);
+
     /* Return TRUE to continue to get called in the future. */
     return TRUE;
 }