Loading image in main window when a button from main window is pressed

[RAMINENI <ramineni_bsp yahoo com>]

Hi all,

I want to Load the image in main window when a button
from the main window is clicked.I loaded the image
from the main function but when the button is pressed
the image is not changing. How can I change the image
when the button is clicked.Below is my source code 

Thanks in advance
AIS


		
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#include <gtk/gtk.h>

#define WIDTH 640
#define HEIGHT 480




GtkWidget *xpm_label_box( gchar *xpm_filename)
{
    GtkWidget *box;
    GtkWidget *label;
    GtkWidget *image;
    gchar *filename="fruits.jpg";


    box = gtk_hbox_new (FALSE, 0);
    gtk_container_set_border_width (GTK_CONTAINER (box), 2);


    image = gtk_image_new_from_file (xpm_filename);


    gtk_box_pack_start (GTK_BOX (box), image, FALSE, FALSE, 3);


    gtk_widget_show (image);


    return box;
}

void hello( GtkWidget *widget, GtkWidget *win)
{

GtkWidget *box=xpm_label_box("images.ppm");
gtk_container_add(GTK_CONTAINER(win), box);
gtk_widget_show(win);
  gtk_widget_show_all(win);

}

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

  GtkWidget *frame;
  GtkWidget *hbox;
  GtkWidget *image_hbox;
  GtkWidget *main_vbox;
  GtkWidget *vbox;
  GtkWidget *vbox2;

  GtkWidget *spinner;
  GtkWidget *button;
  GtkWidget *label;
  GtkWidget *val_label;

  GtkWidget *box;


  gtk_init (&argc, &argv);



  GtkWidget* window = gtk_widget_new(gtk_window_get_type(),
			   "GtkObject::user_data", NULL,
			   "GtkWindow::type", GTK_WINDOW_TOPLEVEL,
			   "GtkWindow::title", "Result",
			   "GtkWindow::allow_shrink", FALSE,
			   NULL);

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

  gtk_window_set_title (GTK_WINDOW (window), "MAKRO PLUS Obstacle Detection");
gtk_window_set_policy (GTK_WINDOW (window), TRUE, TRUE, TRUE);
  gtk_widget_set_size_request(GTK_WIDGET (window), 640, 480);

  hbox=gtk_hbox_new (FALSE, 5);
  gtk_container_set_border_width (GTK_CONTAINER (hbox), 10);
  gtk_container_add (GTK_CONTAINER (window), hbox);


    button = gtk_button_new_with_label ("Hello World");
    gtk_signal_connect (GTK_OBJECT (button), "clicked",
                        GTK_SIGNAL_FUNC (hello), (gpointer)window);
    gtk_box_pack_start (GTK_BOX (hbox), button, FALSE, TRUE, 0);

    box = xpm_label_box("fruits.jpg");
    gtk_box_pack_start (GTK_BOX (hbox), box, FALSE, TRUE, 0);


    gtk_widget_show (window);

  gtk_widget_show_all(window);


  gtk_main ();

  return 0;
}