/***********************************************************************************************************                                                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_BringToBottom.cPurpose     : Window manager routine----------------------------------------------------------------------*/#include "WM_Intern.h"#if GUI_WINSUPPORT    /* If 0, WM will not generate any code */#include "GUIDebug.h"/*********************************************************************     Public code**********************************************************************/void WM_BringToBottom(WM_HWIN hWin) {  WM_HWIN hParent, hPrev;  WM_Obj* pWin;  WM_Obj* pPrev;  WM_Obj* pParent;  WM_LOCK();  if (hWin) {    pWin = WM_H2P(hWin);    hPrev = WM__GetPrevSibling(hWin);    if (hPrev) {                   /* If there is no previous one, there is nothing to do ! */      hParent = WM_GetParent(hWin);      pParent = WM_H2P(hParent);      /* unlink hWin */      pPrev = WM_H2P(hPrev);      pPrev->hNext = pWin->hNext;      /* Link from parent (making it the first child) */      pWin->hNext = pParent->hFirstChild;      pParent->hFirstChild = hWin;      /* Send message in order to make sure top window will be drawn */      WM_InvalidateArea(&pWin->Rect);    }  }  WM_UNLOCK();}#elsevoid WM_BringToBottom_c(void) {} /* avoid empty object files */#endif /* WM_MAX_WINDOW */