110 lines
3.1 KiB
C
110 lines
3.1 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_BringToTop.c
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Purpose : Windows manager routine
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----------------------------------------------------------------------
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*/
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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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/*********************************************************************
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*
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* Data types
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*
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**********************************************************************
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*/
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typedef struct {
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GUI_RECT Rect;
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} VCDATA;
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/*********************************************************************
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*
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* Static 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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* _cbInvalidateOne
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*/
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static void _cbInvalidateOne(WM_HWIN hWin, void * p) {
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GUI_USE_PARA(p);
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WM_InvalidateWindow(hWin);
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}
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/*********************************************************************
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*
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* _InvalidateWindowAndDescs
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*/
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static void _InvalidateWindowAndDescs(WM_HWIN hWin) {
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WM_InvalidateWindow(hWin);
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WM_ForEachDesc(hWin, _cbInvalidateOne, 0);
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}
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/*********************************************************************
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*
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* _BringToTop
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*/
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static void _BringToTop(WM_HWIN hWin) {
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WM_HWIN hNext, hParent;
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WM_Obj * pWin, * pNext;
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if (hWin) {
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pWin = WM_H2P(hWin);
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hNext = pWin->hNext;
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/* Is window alread on top ? If so, we are done. (Not required, just an optimization) */
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if (hNext == 0) {
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return;
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}
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/* For non-top windows, it is good enough if the next one is a stay-on-top-window (Not required, just an optimization) */
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if ((pWin->Status & WM_SF_STAYONTOP) == 0) {
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pNext = WM_H2P(hNext);
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if (pNext->Status & WM_SF_STAYONTOP) {
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return;
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}
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}
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hParent = pWin->hParent;
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WM__RemoveWindowFromList(hWin);
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WM__InsertWindowIntoList(hWin, hParent);
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_InvalidateWindowAndDescs(hWin);
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}
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}
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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_BringToTop
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*/
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void WM_BringToTop(WM_HWIN hWin) {
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WM_LOCK();
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_BringToTop(hWin);
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WM_UNLOCK();
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}
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#else
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void WM_BringToTop_c(void) {} /* avoid empty object files */
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#endif /* GUI_WINSUPPORT */
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/*************************** End of file ****************************/
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