windows/keyboard.c

   1 /*
   2  * KEYBOARD driver
   3  *
   4  * Copyright 1993 Bob Amstadt
   5  * Copyright 1996 Albrecht Kleine
   6  * Copyright 1997 David Faure
   7  * Copyright 1998 Morten Welinder
   8  * Copyright 1998 Ulrich Weigand
   9  *
  10  * This library is free software; you can redistribute it and/or
  11  * modify it under the terms of the GNU Lesser General Public
  12  * License as published by the Free Software Foundation; either
  13  * version 2.1 of the License, or (at your option) any later version.
  14  *
  15  * This library is distributed in the hope that it will be useful,
  16  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  17  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  18  * Lesser General Public License for more details.
  19  *
  20  * You should have received a copy of the GNU Lesser General Public
  21  * License along with this library; if not, write to the Free Software
  22  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
  23  */
  24
  25 #include <stdlib.h>
  26 #include <string.h>
  27 #include <ctype.h>
  28
  29 #include "windef.h"
  30 #include "winbase.h"
  31 #include "wingdi.h"
  32 #include "winuser.h"
  33 #include "win.h"
  34 #include "user.h"
  35 #include "message.h"
  36 #include "wine/debug.h"
  37 #include "winerror.h"
  38
  39 WINE_DEFAULT_DEBUG_CHANNEL(keyboard);
  40
  41 #include "pshpack1.h"
  42 typedef struct _KBINFO
  43 {
  44     BYTE Begin_First_Range;
  45     BYTE End_First_Range;
  46     BYTE Begin_Second_Range;
  47     BYTE End_Second_Range;
  48     WORD StateSize;
  49 } KBINFO, *LPKBINFO;
  50 #include "poppack.h"
  51
  52 static FARPROC16 DefKeybEventProc;
  53 static LPBYTE pKeyStateTable;
  54
  55 /***********************************************************************
  56  *              Inquire (KEYBOARD.1)
  57  */
  58 WORD WINAPI KEYBOARD_Inquire(LPKBINFO kbInfo)
  59 {
  60   kbInfo->Begin_First_Range = 0;
  61   kbInfo->End_First_Range = 0;
  62   kbInfo->Begin_Second_Range = 0;
  63   kbInfo->End_Second_Range = 0;
  64   kbInfo->StateSize = 16;
  65
  66   return sizeof(KBINFO);
  67 }
  68
  69 /***********************************************************************
  70  *              Enable (KEYBOARD.2)
  71  */
  72 VOID WINAPI KEYBOARD_Enable( FARPROC16 proc, LPBYTE lpKeyState )
  73 {
  74     DefKeybEventProc = proc;
  75     pKeyStateTable = lpKeyState;
  76
  77     memset( lpKeyState, 0, 256 ); /* all states to false */
  78 }
  79
  80 /***********************************************************************
  81  *              Disable (KEYBOARD.3)
  82  */
  83 VOID WINAPI KEYBOARD_Disable(VOID)
  84 {
  85     DefKeybEventProc = NULL;
  86     pKeyStateTable = NULL;
  87 }
  88
  89
  90 /**********************************************************************
  91  *              SetSpeed (KEYBOARD.7)
  92  */
  93 WORD WINAPI SetSpeed16(WORD unused)
  94 {
  95     FIXME("(%04x): stub\n", unused);
  96     return 0xffff;
  97 }
  98
  99 /**********************************************************************
 100  *              ScreenSwitchEnable (KEYBOARD.100)
 101  */
 102 VOID WINAPI ScreenSwitchEnable16(WORD unused)
 103 {
 104   FIXME("(%04x): stub\n", unused);
 105 }
 106
 107 /**********************************************************************
 108  *              OemKeyScan (KEYBOARD.128)
 109  *              OemKeyScan (USER32.@)
 110  */
 111 DWORD WINAPI OemKeyScan(WORD wOemChar)
 112 {
 113   TRACE("(%d)\n", wOemChar);
 114
 115   return wOemChar;
 116 }
 117
 118 /**********************************************************************
 119  *              VkKeyScan (KEYBOARD.129)
 120  */
 121 WORD WINAPI VkKeyScan16(CHAR cChar)
 122 {
 123     return VkKeyScanA( cChar );
 124 }
 125
 126 /******************************************************************************
 127  *              GetKeyboardType (KEYBOARD.130)
 128  */
 129 INT16 WINAPI GetKeyboardType16(INT16 nTypeFlag)
 130 {
 131     return GetKeyboardType( nTypeFlag );
 132 }
 133
 134 /******************************************************************************
 135  *              MapVirtualKey (KEYBOARD.131)
 136  *
 137  * MapVirtualKey translates keycodes from one format to another
 138  */
 139 UINT16 WINAPI MapVirtualKey16(UINT16 wCode, UINT16 wMapType)
 140 {
 141     return MapVirtualKeyA(wCode,wMapType);
 142 }
 143
 144 /****************************************************************************
 145  *              GetKBCodePage (KEYBOARD.132)
 146  */
 147 INT16 WINAPI GetKBCodePage16(void)
 148 {
 149     return GetKBCodePage();
 150 }
 151
 152 /****************************************************************************
 153  *              GetKeyNameText (KEYBOARD.133)
 154  */
 155 INT16 WINAPI GetKeyNameText16(LONG lParam, LPSTR lpBuffer, INT16 nSize)
 156 {
 157     return GetKeyNameTextA( lParam, lpBuffer, nSize );
 158 }
 159
 160 /****************************************************************************
 161  *              ToAscii (KEYBOARD.4)
 162  *
 163  * The ToAscii function translates the specified virtual-key code and keyboard
 164  * state to the corresponding Windows character or characters.
 165  *
 166  * If the specified key is a dead key, the return value is negative. Otherwise,
 167  * it is one of the following values:
 168  * Value        Meaning
 169  * 0    The specified virtual key has no translation for the current state of the keyboard.
 170  * 1    One Windows character was copied to the buffer.
 171  * 2    Two characters were copied to the buffer. This usually happens when a
 172  *      dead-key character (accent or diacritic) stored in the keyboard layout cannot
 173  *      be composed with the specified virtual key to form a single character.
 174  *
 175  * FIXME : should do the above (return 2 for non matching deadchar+char combinations)
 176  *
 177  */
 178 INT16 WINAPI ToAscii16(UINT16 virtKey,UINT16 scanCode, LPBYTE lpKeyState,
 179                        LPVOID lpChar, UINT16 flags)
 180 {
 181     return ToAscii( virtKey, scanCode, lpKeyState, lpChar, flags );
 182 }
 183
 184 /***********************************************************************
 185  *              MessageBeep (USER.104)
 186  */
 187 void WINAPI MessageBeep16( UINT16 i )
 188 {
 189     MessageBeep( i );
 190 }
 191
 192 /***********************************************************************
 193  *              MessageBeep (USER32.@)
 194  */
 195 BOOL WINAPI MessageBeep( UINT i )
 196 {
 197     BOOL active = TRUE;
 198     SystemParametersInfoA( SPI_GETBEEP, 0, &active, FALSE );
 199     if (active) USER_Driver.pBeep();
 200     return TRUE;
 201 }