X-Git-Url: https://main.carlh.net/gitweb/?a=blobdiff_plain;f=gtk2_ardour%2Fgtk_pianokeyboard.c;h=8917017960ea0aa94b827b425a3767d2c86ce432;hb=e3dd226ffa562d28758555d67961d95723e2a2f0;hp=8d91626a2b338455806753e70c32f2aee7eef600;hpb=e279b9892b467aa823e253d97b6e9504cca0e252;p=ardour.git

diff --git a/gtk2_ardour/gtk_pianokeyboard.c b/gtk2_ardour/gtk_pianokeyboard.c
index 8d91626a2b..8917017960 100644
--- 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 +684,9 @@ 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 +699,12 @@ 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)
 {