Re: Connection of focus_out_event to a GtkEntry

[günther <guenther rapp-informatik de>]

Do folllowing
1. setup callback for focus out of Entry widget
        gtk_signal_connect(GTK_OBJECT(pfp->f_widget), "focus_out_event",
                           GTK_SIGNAL_FUNC(focus_out_entry),(FIELD *)
pfp);  
      (FIELD *) pfp is pointer to a struture where data should be stored 
2.  callback funktion sample
  void focus_out_entry(entry_field,event,fi)
        GtkWidget *entry_field;
        GdkEvent  *event;
        FIELD * fi;
{       POS p;
        int fun_ret = 1;
        char * field_text = gtk_editable_get_chars(entry_field,0,-1);
        GdkEventKey * event_key = &Event_key;
   /* field_text is the contents of the entry widget
      you also can get parts of entry widgets see
gtk_editable_get_chars       */

   /* be careful with recursions we watch if the callback is still
active        
      otherwise you get an infinit loop an the task crash when stack
overflows */

   /* dont forget to free memory */
        g_free(field_text); 
}                                             
Deepu Roy wrote:
> Hi,
>     I'm trying to store the value of a few GtkEntry widgets in a
> structure. Could I add a signal like focus_out_event or
> leave_notify_event to the GtkEntry and then connect a callback which
> assigns the value to the structure.
>
> Any help is appreciated
> Deepu
>
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