/***********************************************************************************************************                                                uC/GUI*                        Universal graphic software for embedded applications**                       (c) Copyright 2002, Micrium Inc., Weston, FL*                       (c) Copyright 2002, SEGGER Microcontroller Systeme GmbH**              礐/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        : WM_SetUserClipArea.cPurpose     : Windows manager, add. module----------------------------------------------------------------------*/#include "WM_Intern.H"#if GUI_WINSUPPORT/*  ********************************************************************  *                                                                  *  *                    Reduce clipping area                          *  *                                                                  *  *********************************************************************/const GUI_RECT* WM_SetUserClipRect(const GUI_RECT* pRect) {  const GUI_RECT* pRectReturn;  GUI_RECT r;  WM_Obj* pAWin;  WM_LOCK();  pRectReturn = GUI_Context.WM__pUserClipRect;  GUI_Context.WM__pUserClipRect = pRect;/* Activate it ... */  if (pRect) {    r = *pRect;    pAWin = WM_HANDLE2PTR(GUI_Context.hAWin);    WM__Client2Screen(pAWin, &r);    LCD_SetClipRectEx(&r);  } else {    WM_GetWindowRect(&r);    LCD_SetClipRectEx(&r);  }  WM_UNLOCK();  return pRectReturn;}#elsevoid WM_SetUserClipRect(void) {} /* avoid empty object files */#endif