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 Post subject: [Resolved]Any idea to change image with a signal
PostPosted: Tue Apr 10, 2007 6:47 pm 
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Familiar Face

Joined: Mon Apr 09, 2007 2:09 pm
Posts: 10
i would like to change the image that are into the button with the callback cb_menu , i have try something but that's doesn't works
thank you in advance

Code:
/* maogtk.c
*
* This program is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License as published by the Free
* Software Foundation; either version 2 of the License, or (at your option)
* any later version.
*
* This program is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
* or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
* for more details.
*
* You should have received a copy of the GNU General Public License along
* with this program; if not, write to the Free Software Foundation, Inc., 59
* Temple Place, Suite 330, Boston, MA  02111-1307  USA
*/

#include <unistd.h>
#include <stdlib.h>
#include <gtk/gtk.h>
#include <stdio.h>
#include "importimage.h"



struct Data_s
{
  int sort;
  char **ptr;
  GtkWidget *images[12];
  GtkWidget *buttons[12];
  GtkWidget *table;
};
typedef struct Data_s Data;


static void
cb_menu (GtkWidget * widget, Data * data)
{
   
/*Here my Problem*/
gtk_widget_destroy(data->buttons[0]);
data->buttons[0] = gtk_button_new();
gtk_table_attach_defaults(GTK_TABLE(data->table),data->buttons[0],0,1,0,1);
gtk_widget_show(data->table);

   
}

static void
quit (GtkWidget * w)
{
  gtk_main_quit ();
}

int
main (int argc, char *argv[])
{
  int i;
  int j;
  GtkWidget *window;
  GtkWidget *sort_p;
  GtkWidget *sort_d;
  GtkWidget *vbox;
  GtkWidget *hbox;
  GtkWidget *b_previously;
  GtkWidget *b_quit;
  GtkWidget *opt;
  GtkWidget *separator;
  GtkWidget *b_next;
  char filename[17];
  GtkWidget *menu1;

  Data *data = NULL;


  gtk_init (&argc, &argv);




  data = malloc (sizeof (*data));
  VER_NULL (data);
  data->ptr = NULL;
  data->sort = SORT_POPULARITY;
  vbox = gtk_vbox_new (FALSE, 0);
  VER_NULL (vbox);
  menu1 = gtk_menu_new ();
  VER_NULL (menu1);
  separator = gtk_hseparator_new ();
  VER_NULL (separator);
  window = gtk_window_new (GTK_WINDOW_TOPLEVEL);
  VER_NULL (window);
  opt = gtk_option_menu_new ();
  VER_NULL (opt);
  b_quit = gtk_button_new_with_label ("Quit");
  VER_NULL (b_quit);
  hbox = gtk_hbox_new (TRUE, 0);
  VER_NULL (hbox);
  data->table = gtk_table_new (3, 4, TRUE);
  VER_NULL (data->table);
  b_next = gtk_button_new_with_label ("Next");
  VER_NULL (b_next);
  b_previously = gtk_button_new_with_label ("Previously");
  VER_NULL (b_previously);
  sort_d = gtk_menu_item_new_with_label ("Date");
  VER_NULL (sort_d);
  sort_p = gtk_menu_item_new_with_label ("Popularity");
  VER_NULL (sort_p);


  for (i = 0; i < 12; i++)
    {
      data->buttons[i] = gtk_button_new ();
      VER_NULL (data->buttons[i]);
    }

  for (i = 0; i < 12; i++)
    {
      sprintf (filename, "/tmp/image%d.png", i);
      data->images[i] = gtk_image_new_from_file (filename);
      VER_NULL (data->images[i]);

    }


  for (i = 0; i < 4; i++)
    {
      for (j = 0; j < 3; j++)
   {
      
     gtk_table_attach_defaults (GTK_TABLE (data->table),
                 data->buttons[3 * i + j], j, j + 1, i,
                 i + 1);
   }
    }

  for (i = 0; i < 12; i++)
    {
      gtk_container_add (GTK_CONTAINER (data->buttons[i]), data->images[i]);
    }

  gtk_menu_shell_append (GTK_MENU_SHELL (menu1), sort_d);
  gtk_menu_shell_append (GTK_MENU_SHELL (menu1), sort_p);
  gtk_option_menu_set_menu (GTK_OPTION_MENU (opt), menu1);



  gtk_window_set_resizable (GTK_WINDOW (window), FALSE);
  gtk_window_set_position (GTK_WINDOW (window), GTK_WIN_POS_CENTER_ALWAYS);
  gtk_window_set_title (GTK_WINDOW (window), "ImportImage");
  gtk_container_add (GTK_CONTAINER (window), vbox);

  gtk_box_pack_start (GTK_BOX (vbox), data->table, TRUE, FALSE, 0);
  gtk_box_pack_start (GTK_BOX (vbox), separator, TRUE, FALSE, 20);
  gtk_box_pack_start (GTK_BOX (vbox), hbox, TRUE, FALSE, 0);



  gtk_box_pack_start (GTK_BOX (hbox), b_quit, TRUE, TRUE, 10);
  gtk_box_pack_start (GTK_BOX (hbox), opt, TRUE, FALSE, 10);
  gtk_box_pack_start (GTK_BOX (hbox), b_previously, TRUE, TRUE, 0);
  gtk_box_pack_start (GTK_BOX (hbox), b_next, TRUE, TRUE, 0);



  g_signal_connect (G_OBJECT (b_quit), "clicked", G_CALLBACK (quit), NULL);
  g_signal_connect (G_OBJECT (window), "destroy", G_CALLBACK (quit), NULL);
  g_signal_connect (G_OBJECT (sort_d), "activate", G_CALLBACK (cb_menu),
          (gpointer) data);


  gtk_widget_show_all (window);
  gtk_main ();
  return 0;

}


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