linux gtk demo

/*
 * wj_demo1.c
 *
 *  Created on: Apr 16, 2013
 *      Author: jwang
 */

#include <gtk/gtk.h>
#include <stdio.h>

static int count = 0;

void button_clicked(GtkWidget *button, gpointer data) {
    printf("%s pressed %d time(s)\n", (char *)data, ++count);

}

int main(int argc, char **argv) {

    GtkWidget *window;
    GtkWidget *button;

    gtk_init(&argc, &argv);
    window = gtk_window_new(GTK_WINDOW_TOPLEVEL);
    button = gtk_button_new_with_label("Hello World!");
    gtk_container_add(GTK_CONTAINER(window),button);

    g_signal_connect(GTK_OBJECT(button), "clicked",
            GTK_SIGNAL_FUNC(button_clicked), "button 1");

    gtk_widget_show(button);
    gtk_widget_show(window);

    gtk_main();

    return 0;
}