hello1.cpp

gtk+ 编程

/*hello programe*/
#include<gtk/gtk.h>
gint count=1;
void on_button_clicked (GtkWidget *button,gpointer userdata)
{
        g_print("designed for testing hello function!\n");
        g_print("%d\n",(gint)userdata);
        count = count +1;
}

int main (int argc , char* argv[])
{
    GtkWidget *window;
    GtkWidget *button;
    gtk_init(&argc,&argv);
    window = gtk_window_new(GTK_WINDOW_TOPLEVEL);
    g_signal_connect(G_OBJECT(window),"delete_event",
             G_CALLBACK(gtk_main_quit),NULL);
    gtk_window_set_title(GTK_WINDOW(window),"HELLO world");
    gtk_window_set_default_size(GTK_WINDOW(window),500,100);
    gtk_window_set_position(GTK_WINDOW(window),GTK_WIN_POS_CENTER);
    gtk_container_set_border_width(GTK_CONTAINER(window),40);
    button = gtk_button_new_with_label(" press this icon ");
    g_signal_connect(G_OBJECT(button),"clicked",
             G_CALLBACK(on_button_clicked),(gpointer)count);
    gtk_container_add(GTK_CONTAINER(window),button);
    gtk_widget_show(button);
    gtk_widget_show(window);
    gtk_main();
    return FALSE;
}