wm__notifyvischanged.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__NotifyVisChanged.c
Purpose 	: Windows manager routine
----------------------------------------------------------------------
*/

#include "WM_Intern.h"

#if GUI_WINSUPPORT    /* If 0, WM will not generate any code */

/*********************************************************************
*
*   	  Static code
*
**********************************************************************
*/

/*********************************************************************
*
*   	_NotifyVisChanged
*
* Description
*   Notify all descendents
*/
static void _NotifyVisChanged(WM_HWIN hWin, GUI_RECT *pRect)
{
	WM_Obj* pWin;

	for (hWin = WM_GetFirstChild(hWin); hWin; hWin = pWin->hNext)
	{
		pWin = WM_H2P(hWin);
		if (pWin->Status & WM_SF_ISVIS)
		{
			if (GUI_RectsIntersect(&pWin->Rect, pRect))
			{
				WM__SendMsgNoData(hWin, WM_NOTIFY_VIS_CHANGED); 			/* Notify window that visibility may have changed */
				_NotifyVisChanged(hWin, pRect);
			}
		}
	}
}


/*********************************************************************
*
*   	  Public code
*
**********************************************************************
*/

/*********************************************************************
*
*   	WM__NotifyVisChanged
*
* Description
*   Notify all siblings & descendents
*/
void WM__NotifyVisChanged(WM_HWIN hWin, GUI_RECT *pRect)
{
	WM_Obj * pWin;
	WM_HWIN hParent;
	pWin = WM_H2P(hWin);
	hParent = pWin->hParent;
	if (hParent)
	{
		_NotifyVisChanged(hParent, pRect);
	}
}

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


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