reactos/lib/user32/windows/caret.c

   1 /*
   2  *  ReactOS kernel
   3  *  Copyright (C) 1998, 1999, 2000, 2001 ReactOS Team
   4  *
   5  *  This program is free software; you can redistribute it and/or modify
   6  *  it under the terms of the GNU General Public License as published by
   7  *  the Free Software Foundation; either version 2 of the License, or
   8  *  (at your option) any later version.
   9  *
  10  *  This program is distributed in the hope that it will be useful,
  11  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
  12  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  13  *  GNU General Public License for more details.
  14  *
  15  *  You should have received a copy of the GNU General Public License
  16  *  along with this program; if not, write to the Free Software
  17  *  Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
  18  */
  19 /* $Id$
  20  *
  21  * PROJECT:         ReactOS user32.dll
  22  * FILE:            lib/user32/windows/caret.c
  23  * PURPOSE:         Caret
  24  * PROGRAMMER:      Casper S. Hornstrup (chorns@users.sourceforge.net)
  25  * UPDATE HISTORY:
  26  *      09-05-2001  CSH  Created
  27  */
  28
  29 /* INCLUDES ******************************************************************/
  30
  31 #include <user32.h>
  32
  33 /* FUNCTIONS *****************************************************************/
  34
  35 void DrawCaret(HWND hWnd, PTHRDCARETINFO CaretInfo)
  36 {
  37   HDC hDC, hComp;
  38
  39   hDC = GetDC(hWnd);
  40   if(hDC)
  41   {
  42     if(CaretInfo->Bitmap && GetBitmapDimensionEx(CaretInfo->Bitmap, &CaretInfo->Size))
  43     {
  44       hComp = CreateCompatibleDC(hDC);
  45       if(hComp)
  46       {
  47         SelectObject(hComp, CaretInfo->Bitmap);
  48         BitBlt(hDC, CaretInfo->Pos.x, CaretInfo->Pos.y, CaretInfo->Size.cx, CaretInfo->Size.cy, hComp, 0, 0, SRCINVERT);
  49         DeleteDC(hComp);
  50       }
  51       else
  52         PatBlt(hDC, CaretInfo->Pos.x, CaretInfo->Pos.y, CaretInfo->Size.cx, CaretInfo->Size.cy, DSTINVERT);
  53     }
  54     else
  55     {
  56       PatBlt(hDC, CaretInfo->Pos.x, CaretInfo->Pos.y, CaretInfo->Size.cx, CaretInfo->Size.cy, DSTINVERT);
  57     }
  58     ReleaseDC(hWnd, hDC);
  59   }
  60 }
  61
  62 /*
  63  * @implemented
  64  */
  65 BOOL STDCALL
  66 CreateCaret(HWND hWnd,
  67             HBITMAP hBitmap,
  68             int nWidth,
  69             int nHeight)
  70 {
  71   return (BOOL)NtUserCreateCaret(hWnd, hBitmap, nWidth, nHeight);
  72 }
  73
  74
  75 /*
  76  * @implemented
  77  */
  78 BOOL STDCALL
  79 DestroyCaret(VOID)
  80 {
  81   return (BOOL)NtUserCallNoParam(NOPARAM_ROUTINE_DESTROY_CARET);
  82 }
  83
  84
  85 /*
  86  * @implemented
  87  */
  88 UINT STDCALL
  89 GetCaretBlinkTime(VOID)
  90 {
  91   return NtUserGetCaretBlinkTime();
  92 }
  93
  94
  95 /*
  96  * @implemented
  97  */
  98 BOOL STDCALL
  99 GetCaretPos(LPPOINT lpPoint)
 100 {
 101   return (BOOL)NtUserGetCaretPos(lpPoint);
 102 }
 103
 104
 105 /*
 106  * @implemented
 107  */
 108 BOOL STDCALL
 109 HideCaret(HWND hWnd)
 110 {
 111   return (BOOL)NtUserHideCaret(hWnd);
 112 }
 113
 114
 115 /*
 116  * @implemented
 117  */
 118 BOOL STDCALL
 119 SetCaretBlinkTime(UINT uMSeconds)
 120 {
 121   return NtUserSetCaretBlinkTime(uMSeconds);
 122 }
 123
 124
 125 /*
 126  * @implemented
 127  */
 128 BOOL STDCALL
 129 SetCaretPos(int X,
 130             int Y)
 131 {
 132   return NtUserSetCaretPos(X, Y);
 133 }
 134
 135
 136 /*
 137  * @implemented
 138  */
 139 BOOL STDCALL
 140 ShowCaret(HWND hWnd)
 141 {
 142   return (BOOL)NtUserShowCaret(hWnd);
 143 }
 144
 145 /* EOF */