Optimize automation-event process splitting

[ardour.git] / gtk2_ardour / gtk_pianokeyboard.c

diff --git a/gtk2_ardour/gtk_pianokeyboard.c b/gtk2_ardour/gtk_pianokeyboard.c
index 8d91626a2b338455806753e70c32f2aee7eef600..96742d74622ae94e8a963a7900da82c7af15afab 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);
@@ -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)
 {