contoh gtk button + builder.ui

#include <gtk/gtk.h>

static void
print_hello (GtkWidget *widget, gpointer data)
{
    g_print ("Klik lagi %s !!!\n", data);
}

static void
print_quit (GtkWidget *widget, gpointer data)
{
    g_print ("Bye !!!\n");
    gtk_main_quit ();
}

int
main (int argc, char **argv)
{
    GtkBuilder *builder;
    GObject *window;
    GObject *button;
    gchar *ltombol;

    gtk_init (&argc, &argv);

    builder = gtk_builder_new ();
    gtk_builder_add_from_file (builder, "builder.ui", NULL);

    window = gtk_builder_get_object (builder, "jendela");
    g_signal_connect (window, "destroy", G_CALLBACK (gtk_main_quit), NULL);

    button = gtk_builder_get_object (builder, "tombol1");
    g_object_get (button, "label", &ltombol, NULL);
    g_signal_connect (button, "clicked", G_CALLBACK (print_hello), ltombol);

    button = gtk_builder_get_object (builder, "tombol2");
    g_object_get (button, "label", &ltombol, NULL);
    g_signal_connect (button, "clicked", G_CALLBACK (print_hello), ltombol);

    button = gtk_builder_get_object (builder, "keluar");
    g_object_get (button, "label", &ltombol, NULL);
    g_signal_connect (button, "clicked", G_CALLBACK (print_quit), NULL);

    g_free (ltombol);
    g_object_unref (window);
    g_object_unref (button);
    gtk_main ();
    return 0;
}