freertos_f407/User/system/lib/lcd/gui/Widget/GUI_HOOK.c

56 lines
1.9 KiB
C

/*
*********************************************************************************************************
* uC/GUI
* Universal graphic software for embedded applications
*
* (c) Copyright 2002, Micrium Inc., Weston, FL
* (c) Copyright 2002, SEGGER Microcontroller Systeme GmbH
*
* µC/GUI is protected by international copyright laws. Knowledge of the
* source code may not be used to write a similar product. This file may
* only be used in accordance with a license and should not be redistributed
* in any way. We appreciate your understanding and fairness.
*
----------------------------------------------------------------------
File : GUI_HOOK.C
Purpose : Implementation of GUI_HOOK
---------------------------END-OF-HEADER------------------------------
*/
#include <stddef.h>
#include "GUI_HOOK.h"
#if GUI_WINSUPPORT
/*********************************************************************
*
* Public code
*
**********************************************************************
*/
/*********************************************************************
*
* GUI_HOOK_Add
*/
void GUI_HOOK_Add(GUI_HOOK** ppFirstHook, GUI_HOOK* pNewHook, GUI_HOOK_FUNC* pHookFunc) {
pNewHook->pNext = *ppFirstHook; /* New entry points to former first one in list */
pNewHook->pHookFunc = pHookFunc;
*ppFirstHook = pNewHook; /* New one is first one now */
}
/*********************************************************************
*
* GUI_HOOK_Remove
*/
void GUI_HOOK_Remove(GUI_HOOK** ppFirstHook, GUI_HOOK* pHook) {
GUI_USE_PARA(pHook);
*ppFirstHook = NULL;
}
#else
void GUI_HOOK_C(void);
void GUI_HOOK_C(void) {} /* avoid empty object files */
#endif
/*************************** End of file ****************************/