widget.h

   1 #ifndef __WIDGET_H_INCLUDED
   2 #define __WIDGET_H_INCLUDED
   3 #define EVENT_LENGTH 8
   4
   5
   6 typedef struct _TEventHandler{
   7         char event[EVENT_LENGHT];
   8         void *userdata;
   9         int (*handler)(struct _TWidget *widget, void *data, void *userdata);
  10         struct _TEventHandler *next;
  11 }TEventHandler;
  12
  13 typedef struct _TWidget{
  14         TEventHandler *handlers; //linked list of TEventHandler terminated by ->next==0
  15         void *data;
  16 }TWidget;
  17
  18 int HandleEvent(TWidget *widget, char event[EVENT_LENGHT], void *data);
  19 void AddHandler(TWidget *widgetm char event[EVENT_LENGHT], int (*handler)(TWidget *widget, void *data, void *userdata), void *userdata);
  20 #endif