Speed up AFL/PFL changes for large sessions

[ardour.git] / gtk2_ardour / gtk_pianokeyboard.c

diff --git a/gtk2_ardour/gtk_pianokeyboard.c b/gtk2_ardour/gtk_pianokeyboard.c
index 8d91626a2b338455806753e70c32f2aee7eef600..2be8cdf2b663abd6f7dac9fc83d79384248623ad 100644 (file)
--- a/gtk2_ardour/gtk_pianokeyboard.c
+++ b/gtk2_ardour/gtk_pianokeyboard.c
@@ -155,6 +155,13 @@ press_key(PianoKeyboard *pk, int key)
        else
                pk->notes[key].sustained = 0;
 
+       if (pk->monophonic && pk->last_key != key) {
+               pk->notes[pk->last_key].pressed   = 0;
+               pk->notes[pk->last_key].sustained = 0;
+               queue_note_draw(pk, pk->last_key);
+       }
+       pk->last_key = key;
+
        pk->notes[key].pressed = 1;
 
        g_signal_emit_by_name(GTK_WIDGET(pk), "note-on", key);
@@ -677,7 +684,11 @@ piano_keyboard_new(void)
        pk->enable_keyboard_cue = 0;
        pk->octave = 4;
        pk->note_being_pressed_using_mouse = -1;
-       memset((void *)pk->notes, 0, sizeof(struct Note) * NNOTES);
+       pk->last_key = 0;
+       pk->monophonic = FALSE;
+
+       memset((void *)pk->notes, 0, sizeof(struct PKNote) * NNOTES);
+
        pk->key_bindings = g_hash_table_new(g_str_hash, g_str_equal);
        bind_keys_qwerty(pk);
 
@@ -690,6 +701,12 @@ piano_keyboard_set_keyboard_cue(PianoKeyboard *pk, int enabled)
        pk->enable_keyboard_cue = enabled;
 }
 
+void
+piano_keyboard_set_monophonic(PianoKeyboard *pk, gboolean monophonic)
+{
+       pk->monophonic = monophonic;
+}
+
 void
 piano_keyboard_sustain_press(PianoKeyboard *pk)
 {