WM_BringToBottom.c
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上传日期:2017-08-10
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- /*
- *********************************************************************************************************
- * 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_BringToBottom.c
- Purpose : Window manager routine
- ----------------------------------------------------------------------
- */
- #include "WM_Intern.h"
- #if GUI_WINSUPPORT /* If 0, WM will not generate any code */
- #include "GUIDebug.h"
- /*******************************************************************
- *
- * Public code
- *
- ********************************************************************
- */
- void WM_BringToBottom(WM_HWIN hWin) {
- WM_HWIN hParent, hPrev;
- WM_Obj* pWin;
- WM_Obj* pPrev;
- WM_Obj* pParent;
- WM_LOCK();
- if (hWin) {
- pWin = WM_H2P(hWin);
- hPrev = WM__GetPrevSibling(hWin);
- if (hPrev) { /* If there is no previous one, there is nothing to do ! */
- hParent = WM_GetParent(hWin);
- pParent = WM_H2P(hParent);
- /* unlink hWin */
- pPrev = WM_H2P(hPrev);
- pPrev->hNext = pWin->hNext;
- /* Link from parent (making it the first child) */
- pWin->hNext = pParent->hFirstChild;
- pParent->hFirstChild = hWin;
- /* Send message in order to make sure top window will be drawn */
- WM_InvalidateArea(&pWin->Rect);
- }
- }
- WM_UNLOCK();
- }
- #else
- void WM_BringToBottom_c(void) {} /* avoid empty object files */
- #endif /* WM_MAX_WINDOW */