wm_bringtobottom.c

MCB2300_ucgui_LCD320240.rar LPC2368的uc/gui的移植

/*
*********************************************************************************************************
*   											 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.c
Purpose 	: Window manager routine
----------------------------------------------------------------------
*/

#include "WM_Intern.h"

#if GUI_WINSUPPORT    /* If 0, WM will not generate any code */
#include "GUIDebug.h"

/*********************************************************************
*
*   	Public code
*
**********************************************************************
*/
/*********************************************************************
*
*   	WM_BringToBottom
*/
void WM_BringToBottom(WM_HWIN hWin)
{
	WM_HWIN hParent;
	WM_HWIN 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();
}

#else
void WM_BringToBottom_c(void)
{
} /* avoid empty object files */
#endif   /* GUI_WINSUPPORT */

/*************************** End of file ****************************/