Synopsis

void                ags_drum_input_pad_edit_callback    (GtkWidget *toggle_button,
                                                         AgsDrumInputPad *drum_input_pad);
void                ags_drum_input_pad_open_callback    (GtkWidget *button,
                                                         AgsDrumInputPad *drum_input_pad);
void                ags_drum_input_pad_play_callback    (GtkToggleButton *button,
                                                         AgsDrumInputPad *drum_input_pad);