75 lines
2.5 KiB
C
75 lines
2.5 KiB
C
/*
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*********************************************************************************************************
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* uC/GUI
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* Universal graphic software for embedded applications
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*
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* (c) Copyright 2002, Micrium Inc., Weston, FL
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* (c) Copyright 2002, SEGGER Microcontroller Systeme GmbH
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*
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* µC/GUI is protected by international copyright laws. Knowledge of the
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* source code may not be used to write a similar product. This file may
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* only be used in accordance with a license and should not be redistributed
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* in any way. We appreciate your understanding and fairness.
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*
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----------------------------------------------------------------------
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File : WM_ResizeWindow.C
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Purpose : Windows manager, add. module
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----------------------------------------------------------------------
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*/
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#include <stddef.h>
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#include "WM_Intern.h"
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#if GUI_WINSUPPORT /* If 0, WM will not generate any code */
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#include "GUIDebug.h"
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#define WM_DEBUG_LEVEL 1
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/*********************************************************************
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*
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* Public code
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*
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**********************************************************************
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*/
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/*********************************************************************
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*
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* WM_ResizeWindow
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*/
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void WM_ResizeWindow(WM_HWIN hWin, int dx, int dy) {
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GUI_RECT rOld, rNew, rMerge;
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WM_Obj* pWin;
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if (((dx | dy) == 0) || (hWin == 0)){ /* Early out if there is nothing to do */
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return;
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}
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WM_LOCK();
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pWin = WM_HANDLE2PTR(hWin);
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rOld = pWin->Rect;
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rNew = rOld;
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if (dx) {
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if ((pWin->Status & WM_SF_ANCHOR_RIGHT) && (!(pWin->Status & WM_SF_ANCHOR_LEFT))) {
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rNew.x0 -= dx;
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} else {
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rNew.x1 += dx;
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}
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}
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if (dy) {
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if ((pWin->Status & WM_SF_ANCHOR_BOTTOM) && (!(pWin->Status & WM_SF_ANCHOR_TOP))) {
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rNew.y0 -= dy;
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} else {
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rNew.y1 += dy;
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}
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}
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GUI_MergeRect(&rMerge, &rOld, &rNew);
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pWin->Rect = rNew;
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WM_InvalidateArea(&rMerge);
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WM__UpdateChildPositions(pWin, rNew.x0 - rOld.x0, rNew.y0 - rOld.y0, rNew.x1 - rOld.x1, rNew.y1 - rOld.y1);
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GUI__IntersectRect(&pWin->InvalidRect, &pWin->Rect); /* Make sure invalid area is not bigger than window itself */
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WM__SendMsgNoData(hWin, WM_SIZE); /* Send size message to the window */
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WM_UNLOCK();
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}
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#else
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void WM_ResizeWindow(void) {} /* avoid empty object files */
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#endif /* GUI_WINSUPPORT */
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/*************************** End of file ****************************/
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