framewin__updatebuttons.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		: FRAMEWIN__UpdateButtons.c
Purpose 	: 
---------------------------END-OF-HEADER------------------------------
*/

#include <stdlib.h>
#include <string.h>
#include "FRAMEWIN_Private.h"

#if GUI_WINSUPPORT


/*********************************************************************
*
*   	 Exported routines
*
**********************************************************************
*/
/*********************************************************************
*
*   	FRAMEWIN__UpdateButtons
*
* Purpose:
*   Adjust button positions & size.
*   This is required after resizing the title bar
*/
void FRAMEWIN__UpdateButtons(FRAMEWIN_Obj *pObj, int OldHeight)
{
	int TitleHeight = FRAMEWIN__CalcTitleHeight(pObj);
	int Diff = TitleHeight - OldHeight;
	if (Diff)
	{
		WM_HWIN hLeft;
		WM_HWIN hRight;
		WM_HWIN hChild;
		WM_Obj* pChild;
		GUI_RECT r;
		int xLeft, xRight, n;
		n = 0;
		do
		{
			hLeft = hRight = 0;
			xLeft = GUI_XMAX;
			xRight = GUI_XMIN;
			for (hChild = pObj->Widget.Win.hFirstChild; hChild; hChild = pChild->hNext)
			{
				pChild = WM_H2P(hChild);
				r = pChild->Rect;
				GUI_MoveRect(&r, -pObj->Widget.Win.Rect.x0, -pObj->Widget.Win.Rect.y0);
				if ((r.y0 == pObj->Props.BorderSize) && ((r.y1 - r.y0 + 1) == OldHeight))
				{
					if (pChild->Status & WM_SF_ANCHOR_RIGHT)
					{
						if (r.x1 > xRight)
						{
							hRight = hChild;
							xRight = r.x0;
						}
					}
					else
					{
						if (r.x0 < xLeft)
						{
							hLeft = hChild;
							xLeft = r.x0;
						}
					}
				}
			}
			if (hLeft)
			{
				WM_ResizeWindow(hLeft, Diff, Diff);
				WM_MoveWindow(hLeft, n * Diff, 0);
			}
			if (hRight)
			{
				WM_ResizeWindow(hRight, Diff, Diff);
				WM_MoveWindow(hRight, -(n * Diff), 0);
			}
			n++;
		}
		while (hLeft || hRight);
	}
}



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