framewin_settitlevis.c

ucgui的3.98版本的源代码

/*
*********************************************************************************************************
*                                             uC/GUI V3.98
*                        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_SetTitleVis.c
Purpose     : 
---------------------------END-OF-HEADER------------------------------
*/

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

#if GUI_WINSUPPORT

/*********************************************************************
*
*           Static routines
*
**********************************************************************
*/
/*********************************************************************
*
*       _ShowHideButtons
*/
static void _ShowHideButtons(FRAMEWIN_Obj* pObj) {
  WM_HWIN hChild;
  WM_Obj* pChild;
  int y0;
  for (hChild = pObj->Widget.Win.hFirstChild; hChild; hChild = pChild->hNext) {
    pChild = WM_H2P(hChild);
    y0 = pChild->Rect.y0 - pObj->Widget.Win.Rect.y0;
    if ((y0 == pObj->Props.BorderSize) && (hChild != pObj->hClient)) {
      if (pObj->Widget.State & FRAMEWIN_SF_TITLEVIS) {
        WM_ShowWindow(hChild);
      } else {
        WM_HideWindow(hChild);
      }
    }
  }
}

/*********************************************************************
*
*        Exported routines
*
**********************************************************************
*/

/*********************************************************************
*
*       FRAMEWIN_SetTitleVis
*/
void FRAMEWIN_SetTitleVis(FRAMEWIN_Handle hObj, int Show) {
  if (hObj) {
    FRAMEWIN_Obj* pObj;
    int State;
    WM_LOCK();
    pObj = FRAMEWIN_H2P(hObj);
    State = pObj->Widget.State;
    if (Show) {
      State |= FRAMEWIN_SF_TITLEVIS;
    } else {
      State &= ~FRAMEWIN_SF_TITLEVIS;
    }
    if (pObj->Widget.State != State) {
      pObj->Widget.State = State;
      FRAMEWIN__UpdatePositions(pObj);
      _ShowHideButtons(pObj);
      if (pObj->Flags & FRAMEWIN_SF_MINIMIZED) {
        if (State & FRAMEWIN_SF_TITLEVIS) {
          WM_ShowWindow(hObj);
        } else {
          WM_HideWindow(hObj);
        }
      }
      FRAMEWIN_Invalidate(hObj);
    }
    WM_UNLOCK();
  }
}

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