gboolean DrawingareaScrollEvent(GtkWidget *widget, GdkEventScroll *event, gpointer user_data)
gboolean DrawingareaButtonPressEvent(GtkWidget *widget, GdkEventButton *event, gpointer user_data)
gboolean WindowDeleteEvent(GtkWidget *widget, GdkEvent *event, gpointer user_data)
gboolean DrawingareaExposeEvent(GtkWidget *widget, GdkEventExpose *event, gpointer user_data)
gboolean DrawingareaConfigureEvent(GtkWidget *widget, GdkEventConfigure *event, gpointer user_data)
gboolean DrawingareaMotionNotifyEvent(GtkWidget *widget, GdkEventMotion *event, gpointer user_data)