wm_show.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_Show.c
Purpose 	: Windows manager, add. module
----------------------------------------------------------------------
*/

#include "WM_Intern.h"

#if GUI_WINSUPPORT    /* If 0, WM will not generate any code */
#include "GUIDebug.h"
#define WM_DEBUG_LEVEL 1

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

  Invalidate window and all descendents (children and grandchildren and ...
*/
void WM_InvalidateWindowDescs(WM_HWIN hWin)
{
	WM_HWIN hChild;
	if (hWin)
	{
		WM_InvalidateWindow(hWin);    /* Invalidate window itself */
		for (hChild = WM_GetFirstChild(hWin); hChild;)
		{
			WM_Obj* pChild = WM_H2P(hChild);
			WM_InvalidateWindowDescs(hChild);
			hChild = pChild->hNext;
		}
	}
}

/*********************************************************************
*
*   	WM_ShowWindow
*/
void WM_ShowWindow(WM_HWIN hWin)
{
	if (hWin)
	{
		WM_Obj *pWin;
		WM_LOCK();
		pWin = WM_H2P(hWin);  
		if ((pWin->Status & WM_SF_ISVIS) == 0)
		{
			/* First check if this is necessary at all */
			pWin->Status |= WM_SF_ISVIS;  /* Set Visibility flag */
			WM_InvalidateWindowDescs(hWin);    /* Mark content as invalid */
#if WM_SUPPORT_NOTIFY_VIS_CHANGED
			WM__NotifyVisChanged(hWin, &pWin->Rect);
#endif
		}
		WM_UNLOCK();
	}
}

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

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