gtk0x.cxx

#include <gtk/gtk.h>

int
main(int argc, char* argv[]) {
    gtk_init(&argc, &argv);
    GtkWidget* window = gtk_window_new(GTK_WINDOW_TOPLEVEL);
    g_signal_connect(G_OBJECT(window), "delete-event", [] () {
        gtk_main_quit();
    }, window);
    GtkWidget* button = gtk_button_new_with_label("click me");
    g_signal_connect(G_OBJECT(button), "clicked", [] () {
        printf("clicked!!\n");
    }, NULL);
    gtk_container_add(GTK_CONTAINER(window), button);
    gtk_widget_show_all(window);
    gtk_main();
}