X-Git-Url: https://main.carlh.net/gitweb/?a=blobdiff_plain;f=gtk2_ardour%2Fgtk_pianokeyboard.c;h=96742d74622ae94e8a963a7900da82c7af15afab;hb=63ea7b6516dbd7554d1eff6c98de50cf61fc9a72;hp=8d91626a2b338455806753e70c32f2aee7eef600;hpb=86343b6c15a3a43f082802484d2bc813d34db821;p=ardour.git

diff --git a/gtk2_ardour/gtk_pianokeyboard.c b/gtk2_ardour/gtk_pianokeyboard.c
index 8d91626a2b..96742d7462 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);
@@ -360,7 +367,7 @@ keyboard_event_handler(GtkWidget *mk, GdkEventKey *event, gpointer ignored)
 	GdkKeymapKey	kk;
 	PianoKeyboard	*pk = PIANO_KEYBOARD(mk);
 
-        (void) ignored;
+	(void) ignored;
 
 	/* We're not using event->keyval, because we need keyval with level set to 0.
 	   E.g. if user holds Shift and presses '7', we want to get a '7', not '&'. */
@@ -442,7 +449,7 @@ mouse_button_event_handler(PianoKeyboard *pk, GdkEventButton *event, gpointer ig
 
 	int		note = get_note_for_xy(pk, x, y);
 
-        (void) ignored;
+	(void) ignored;
 
 	if (event->button != 1)
 		return TRUE;
@@ -481,7 +488,7 @@ mouse_motion_event_handler(PianoKeyboard *pk, GdkEventMotion *event, gpointer ig
 {
 	int		note;
 
-        (void) ignored;
+	(void) ignored;
 
 	if ((event->state & GDK_BUTTON1_MASK) == 0)
 		return TRUE;
@@ -535,7 +542,7 @@ piano_keyboard_expose(GtkWidget *widget, GdkEventExpose *event)
 static void
 piano_keyboard_size_request(GtkWidget* w, GtkRequisition *requisition)
 {
-        (void) w;
+	(void) w;
 
 	requisition->width = PIANO_KEYBOARD_DEFAULT_WIDTH;
 	requisition->height = PIANO_KEYBOARD_DEFAULT_HEIGHT;
@@ -618,8 +625,8 @@ piano_keyboard_class_init(PianoKeyboardClass *klass)
 		0, NULL, NULL, g_cclosure_marshal_VOID__INT, G_TYPE_NONE, 1, G_TYPE_INT);
 
 	piano_keyboard_signals[REST_SIGNAL] = g_signal_new ("rest",
-                G_TYPE_FROM_CLASS (klass), (GSignalFlags)(G_SIGNAL_RUN_FIRST | G_SIGNAL_ACTION),
-                0, NULL, NULL, g_cclosure_marshal_VOID__VOID, G_TYPE_NONE, 0);
+		G_TYPE_FROM_CLASS (klass), (GSignalFlags)(G_SIGNAL_RUN_FIRST | G_SIGNAL_ACTION),
+		0, NULL, NULL, g_cclosure_marshal_VOID__VOID, G_TYPE_NONE, 0);
 
 	widget_klass = (GtkWidgetClass*) klass;
 
@@ -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)
 {