wm_move.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_Move.C
Purpose 	: Windows manager, add. module
----------------------------------------------------------------------
*/

#include "WM_Intern.h"

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

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


/*********************************************************************
*
*   	_MoveDescendents
*
* Description
*   Moves _MoveDescendents.
*   Since the parent has already been moved, there is no need to
*   take care of invalidation.
*
* Parameters
*   hWin	The first of all descendents to be moved (first child)
*/
static void _MoveDescendents(WM_HWIN hWin, int dx, int dy)
{
	WM_Obj* pWin;

	for (; hWin; hWin = pWin->hNext)
	{
		pWin = WM_HANDLE2PTR(hWin);
		GUI_MoveRect(&pWin->Rect, dx, dy);
		GUI_MoveRect(&pWin->InvalidRect, dx, dy);
		_MoveDescendents(pWin->hFirstChild, dx, dy);  /* Children need to be moved along ...*/
		WM__SendMsgNoData(hWin, WM_MOVE);
	}
}

/*********************************************************************
*
*   	Public module internal code
*
**********************************************************************
*/
/*********************************************************************
*
*   	WM__MoveWindow
*/
void WM__MoveWindow(WM_HWIN hWin, int dx, int dy)
{
	GUI_RECT r;
	WM_Obj* pWin;
	if (hWin)
	{
		pWin = WM_HANDLE2PTR(hWin);
		r = pWin->Rect;
		GUI_MoveRect(&pWin->Rect, dx, dy);
		GUI_MoveRect(&pWin->InvalidRect, dx, dy);
		_MoveDescendents(pWin->hFirstChild, dx, dy);  /* Children need to be moved along ...*/
		/* Invalidate old and new area ... */
		if (pWin->Status & WM_SF_ISVIS)
		{
			WM_InvalidateArea(&pWin->Rect); 	/* Invalidate new area */
			WM_InvalidateArea(&r)   	  ; 	/* Invalidate old area */
		}
		WM__SendMsgNoData(hWin, WM_MOVE);   		  /* Notify window it has been moved */
	}
}

/*********************************************************************
*
*   	WM__MoveTo
*/
void WM__MoveTo(WM_HWIN hWin, int x, int y)
{
	if (hWin)
	{
		WM_Obj* pWin = WM_HANDLE2PTR(hWin);
		x -= pWin->Rect.x0;
		y -= pWin->Rect.y0;
		WM__MoveWindow(hWin, x, y);
	}
}

/*********************************************************************
*
*   	Public API code
*
**********************************************************************
*/
/*********************************************************************
*
*   	WM_MoveWindow
*/
void WM_MoveWindow(WM_HWIN hWin, int dx, int dy)
{
	WM_LOCK();
	{
		WM__MoveWindow(hWin, dx, dy);
	} WM_UNLOCK();
}

/*********************************************************************
*
*   	WM_MoveTo
*/
void WM_MoveTo(WM_HWIN hWin, int x, int y)
{
	WM_LOCK();
	{
		WM__MoveTo(hWin, x, y);
	} WM_UNLOCK();
}

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

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