#include void on_new1_activate (GtkMenuItem *menuitem, gpointer user_data); void on_scores1_activate (GtkMenuItem *menuitem, gpointer user_data); void on_quit1_activate (GtkMenuItem *menuitem, gpointer user_data); void on_undo1_activate (GtkMenuItem *menuitem, gpointer user_data); void on_preferences1_activate (GtkMenuItem *menuitem, gpointer user_data); void on_help1_activate (GtkMenuItem *menuitem, gpointer user_data); void on_about1_activate (GtkMenuItem *menuitem, gpointer user_data); gboolean drawing_area_expose_event_cb (GtkWidget *widget, GdkEventExpose *event, gpointer user_data); gboolean drawing_area_button_press_event_cb (GtkWidget *widget, GdkEventButton *event, gpointer user_data); gboolean on_app1_delete_event (GtkWidget *widget, GdkEvent *event, gpointer user_data); gboolean on_window1_delete_event (GtkWidget *widget, GdkEvent *event, gpointer user_data); void on_button4_activate (GtkButton *button, gpointer user_data); void on_button4_released (GtkButton *button, gpointer user_data); gboolean on_window2_delete_event (GtkWidget *widget, GdkEvent *event, gpointer user_data); void on_button5_released (GtkButton *button, gpointer user_data); void on_button4_clicked (GtkButton *button, gpointer user_data); void on_button5_clicked (GtkButton *button, gpointer user_data); void on_closebutton1_clicked (GtkButton *button, gpointer user_data); void on_closebutton2_clicked (GtkButton *button, gpointer user_data); void on_radiobutton5_toggled (GtkToggleButton *togglebutton, gpointer user_data); void on_radiobutton6_toggled (GtkToggleButton *togglebutton, gpointer user_data); void on_button2_clicked (GtkButton *button, gpointer user_data); void on_radiobutton7_toggled (GtkToggleButton *togglebutton, gpointer user_data); void on_radiobutton8_toggled (GtkToggleButton *togglebutton, gpointer user_data); void on_radiobutton9_toggled (GtkToggleButton *togglebutton, gpointer user_data); void on_newButton_clicked (GtkButton *button, gpointer user_data); void on_hintButton_clicked (GtkButton *button, gpointer user_data); void on_easyRadiobutton_toggled (GtkToggleButton *togglebutton, gpointer user_data); void on_hardRadiobutton_toggled (GtkToggleButton *togglebutton, gpointer user_data); void on_smallRadiobutton_toggled (GtkToggleButton *togglebutton, gpointer user_data); void on_mediumRadiobutton_toggled (GtkToggleButton *togglebutton, gpointer user_data); void on_largeRadiobutton_toggled (GtkToggleButton *togglebutton, gpointer user_data);