13#ifndef __GUI_WIDGETS_PIANO_KEYBOARD_H__
14#define __GUI_WIDGETS_PIANO_KEYBOARD_H__
16#include "gtk_wrapper.h"
18#define PIANO_KEYBOARD_WIDGET_TYPE (piano_keyboard_widget_get_type ())
21 piano_keyboard_widget,
23 PIANO_KEYBOARD_WIDGET,
37typedef struct _PianoKeyboardWidget
39 GtkDrawingArea parent_instance;
47 int pressed_keys[128];
37typedef struct _PianoKeyboardWidget {
…};
A ChordDescriptor describes a chord and is not linked to any specific object by itself.