81 lines
2.4 KiB
C
81 lines
2.4 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_StayOnTop.c
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Purpose : Windows manager, add. module
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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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* 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_SetStayOnTop
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*/
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void WM_SetStayOnTop(WM_HWIN hWin, int OnOff) {
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WM_Obj * pWin;
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if (hWin) {
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U16 OldStatus;
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WM_LOCK();
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pWin = WM_H2P(hWin);
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OldStatus = pWin->Status;
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if (OnOff) {
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if ((pWin->Status & WM_SF_STAYONTOP) == 0) { /* First check if this is necessary at all */
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pWin->Status |= WM_SF_STAYONTOP;
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}
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} else {
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if ((pWin->Status & WM_SF_STAYONTOP) != 0) { /* First check if this is necessary at all */
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pWin->Status &= ~WM_SF_STAYONTOP;
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}
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}
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if (pWin->Status != OldStatus) {
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WM_AttachWindow(hWin, WM_GetParent(hWin));
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}
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WM_UNLOCK();
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}
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}
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/*********************************************************************
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*
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* WM_GetStayOnTop
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*/
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int WM_GetStayOnTop(WM_HWIN hWin) {
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int Result = 0;
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WM_Obj * pWin;
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if (hWin) {
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WM_LOCK();
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pWin = WM_H2P(hWin);
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if ((pWin->Status & WM_SF_STAYONTOP) != 0) {
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Result = 1;
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}
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WM_UNLOCK();
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}
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return Result;
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}
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#else
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void WM_StayOnTop_C(void) {} /* avoid empty object files */
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#endif
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/*************************** End of file ****************************/
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