caret.c

这是一个开放源代码的与WINNT/WIN2K/WIN2003兼容的操作系统

/*
 *  ReactOS kernel
 *  Copyright (C) 1998, 1999, 2000, 2001 ReactOS Team
 *
 *  This program is free software; you can redistribute it and/or modify
 *  it under the terms of the GNU General Public License as published by
 *  the Free Software Foundation; either version 2 of the License, or
 *  (at your option) any later version.
 *
 *  This program is distributed in the hope that it will be useful,
 *  but WITHOUT ANY WARRANTY; without even the implied warranty of
 *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 *  GNU General Public License for more details.
 *
 *  You should have received a copy of the GNU General Public License
 *  along with this program; if not, write to the Free Software
 *  Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
 */
/* $Id: caret.c 28045 2007-07-30 15:08:14Z tkreuzer $
 *
 * PROJECT:         ReactOS user32.dll
 * FILE:            lib/user32/windows/caret.c
 * PURPOSE:         Caret
 * PROGRAMMER:      Casper S. Hornstrup ([e-mail])
 * UPDATE HISTORY:
 *      09-05-2001  CSH  Created
 */

/* INCLUDES ******************************************************************/

#include <user32.h>

#include <wine/debug.h>
/* FUNCTIONS *****************************************************************/

void DrawCaret(HWND hWnd, PTHRDCARETINFO CaretInfo)
{
  HDC hDC, hComp;

  hDC = GetDC(hWnd);
  if(hDC)
  {
    if(CaretInfo->Bitmap && GetBitmapDimensionEx(CaretInfo->Bitmap, &CaretInfo->Size))
    {
      hComp = CreateCompatibleDC(hDC);
      if(hComp)
      {
        SelectObject(hComp, CaretInfo->Bitmap);
        BitBlt(hDC, CaretInfo->Pos.x, CaretInfo->Pos.y, CaretInfo->Size.cx, CaretInfo->Size.cy, hComp, 0, 0, SRCINVERT);
        DeleteDC(hComp);
      }
      else
        PatBlt(hDC, CaretInfo->Pos.x, CaretInfo->Pos.y, CaretInfo->Size.cx, CaretInfo->Size.cy, DSTINVERT);
    }
    else
    {
      PatBlt(hDC, CaretInfo->Pos.x, CaretInfo->Pos.y, CaretInfo->Size.cx, CaretInfo->Size.cy, DSTINVERT);
    }
    ReleaseDC(hWnd, hDC);
  }
}

/*
 * @implemented
 */
BOOL STDCALL
CreateCaret(HWND hWnd,
	    HBITMAP hBitmap,
	    int nWidth,
	    int nHeight)
{
  return (BOOL)NtUserCreateCaret(hWnd, hBitmap, nWidth, nHeight);
}


/*
 * @implemented
 */
BOOL STDCALL
DestroyCaret(VOID)
{
  return (BOOL)NtUserCallNoParam(NOPARAM_ROUTINE_DESTROY_CARET);
}


/*
 * @implemented
 */
UINT STDCALL
GetCaretBlinkTime(VOID)
{
  return NtUserGetCaretBlinkTime();
}


/*
 * @implemented
 */
BOOL STDCALL
GetCaretPos(LPPOINT lpPoint)
{
  return (BOOL)NtUserGetCaretPos(lpPoint);
}


/*
 * @implemented
 */
BOOL STDCALL
SetCaretBlinkTime(UINT uMSeconds)
{
  return NtUserSetCaretBlinkTime(uMSeconds);
}


/*
 * @implemented
 */
BOOL STDCALL
SetCaretPos(int X,
	    int Y)
{
  return NtUserSetCaretPos(X, Y);
}


/* EOF */