#include <gtk/gtk.h>

gboolean on_window_state_event(GtkWidget *widget, GdkEventWindowState *event, gpointer user_data){
	puts("test");
	return TRUE;
}

int main( int argc, char *argv[]){
	GtkWidget *window;

	gtk_init(&argc, &argv);

	window = gtk_window_new(GTK_WINDOW_TOPLEVEL);
	gtk_window_set_title(GTK_WINDOW(window), "GtkButton");
	gtk_window_set_default_size(GTK_WINDOW(window), 230, 150);
	gtk_window_set_position(GTK_WINDOW(window), GTK_WIN_POS_CENTER);

	g_signal_connect(G_OBJECT(window), "destroy", G_CALLBACK(gtk_main_quit), NULL);

	g_signal_connect(
		G_OBJECT(window), 
		"window-state-event", 
		G_CALLBACK(on_window_state_event), 
		(gpointer)NULL
	);

	gtk_widget_show_all(window);

	gtk_main();

	return 0;
}