File: check_buttons_callback.C

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#include <gtk/gtk.h>

#include "npconfig.h"

void check_buttons_callback( GtkWidget *widget, gpointer data )
{
   GtkWidget *user_entry =
      ( GtkWidget *)gtk_object_get_data( GTK_OBJECT( widget ), "user_entry" );

   GtkWidget *pass_entry =
      ( GtkWidget *)gtk_object_get_data( GTK_OBJECT( widget ), "pass_entry" );

   GtkWidget *user_label =
      ( GtkWidget *)gtk_object_get_data( GTK_OBJECT( user_entry ), "label" );

   GtkWidget *pass_label =
      ( GtkWidget *)gtk_object_get_data( GTK_OBJECT( pass_entry ), "label" );

   GtkWidget *container =
      ( GtkWidget *)gtk_object_get_data( GTK_OBJECT( widget ), "container" );

   if ( GTK_TOGGLE_BUTTON( widget )->active )
   {
      gtk_widget_show( user_label );
      gtk_widget_show( pass_label );
      gtk_widget_show( user_entry );
      gtk_widget_show( pass_entry );
   }
   else
   {
      gtk_widget_hide( user_label );
      gtk_widget_hide( pass_label );
      gtk_widget_hide( user_entry );
      gtk_widget_hide( pass_entry );

      gtk_entry_set_text( GTK_ENTRY( user_entry ), "" );
      gtk_entry_set_text( GTK_ENTRY( pass_entry ), "" );
   }

   gtk_widget_hide( container );
   gtk_widget_show( container );
   
   return;
}