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  */
  11
  12 #include <stdlib.h>
  13 #include <string.h>
  14 #include <ctype.h>
  15
  16 #include "windef.h"
  17 #include "wingdi.h"
  18 #include "winuser.h"
  19 #include "wine/keyboard16.h"
  20 #include "win.h"
  21 #include "heap.h"
  22 #include "keyboard.h"
  23 #include "user.h"
  24 #include "message.h"
  25 #include "callback.h"
  26 #include "builtin16.h"
  27 #include "debugtools.h"
  28 #include "struct32.h"
  29 #include "winerror.h"
  30
  31 DEFAULT_DEBUG_CHANNEL(keyboard)
  32 DECLARE_DEBUG_CHANNEL(event)
  33
  34 /**********************************************************************/
  35
  36 static LPKEYBD_EVENT_PROC DefKeybEventProc = NULL;
  37 LPBYTE pKeyStateTable = NULL;
  38
  39 /***********************************************************************
  40  *           KEYBOARD_Inquire                   (KEYBOARD.1)
  41  */
  42 WORD WINAPI KEYBOARD_Inquire(LPKBINFO kbInfo)
  43 {
  44   kbInfo->Begin_First_Range = 0;
  45   kbInfo->End_First_Range = 0;
  46   kbInfo->Begin_Second_Range = 0;
  47   kbInfo->End_Second_Range = 0;
  48   kbInfo->StateSize = 16;
  49
  50   return sizeof(KBINFO);
  51 }
  52
  53 /***********************************************************************
  54  *           KEYBOARD_Enable                    (KEYBOARD.2)
  55  */
  56 VOID WINAPI KEYBOARD_Enable( LPKEYBD_EVENT_PROC lpKeybEventProc,
  57                              LPBYTE lpKeyState )
  58 {
  59   static BOOL initDone = FALSE;
  60
  61   THUNK_Free( (FARPROC)DefKeybEventProc );
  62
  63   DefKeybEventProc = lpKeybEventProc;
  64   pKeyStateTable = lpKeyState;
  65
  66   /* all states to false */
  67   memset( lpKeyState, 0, 256 );
  68
  69   if (!initDone) USER_Driver.pInitKeyboard();
  70   initDone = TRUE;
  71 }
  72
  73 static VOID WINAPI KEYBOARD_CallKeybdEventProc( FARPROC16 proc,
  74                                                 BYTE bVk, BYTE bScan,
  75                                                 DWORD dwFlags, DWORD dwExtraInfo )
  76 {
  77     CONTEXT86 context;
  78
  79     memset( &context, 0, sizeof(context) );
  80     context.SegCs = SELECTOROF( proc );
  81     context.Eip   = OFFSETOF( proc );
  82     context.Eax   = bVk | ((dwFlags & KEYEVENTF_KEYUP)? 0x8000 : 0);
  83     context.Ebx   = bScan | ((dwFlags & KEYEVENTF_EXTENDEDKEY) ? 0x100 : 0);
  84     context.Esi   = LOWORD( dwExtraInfo );
  85     context.Edi   = HIWORD( dwExtraInfo );
  86
  87     CallTo16RegisterShort( &context, 0 );
  88 }
  89
  90 VOID WINAPI WIN16_KEYBOARD_Enable( FARPROC16 proc, LPBYTE lpKeyState )
  91 {
  92     LPKEYBD_EVENT_PROC thunk =
  93       (LPKEYBD_EVENT_PROC)THUNK_Alloc( proc, (RELAY)KEYBOARD_CallKeybdEventProc );
  94
  95     KEYBOARD_Enable( thunk, lpKeyState );
  96 }
  97
  98 /***********************************************************************
  99  *           KEYBOARD_Disable                   (KEYBOARD.3)
 100  */
 101 VOID WINAPI KEYBOARD_Disable(VOID)
 102 {
 103   THUNK_Free( (FARPROC)DefKeybEventProc );
 104
 105   DefKeybEventProc = NULL;
 106   pKeyStateTable = NULL;
 107 }
 108
 109 /***********************************************************************
 110  *           KEYBOARD_SendEvent
 111  */
 112 void KEYBOARD_SendEvent( BYTE bVk, BYTE bScan, DWORD dwFlags,
 113                          DWORD posX, DWORD posY, DWORD time )
 114 {
 115   WINE_KEYBDEVENT wke;
 116   int iWndsLocks;
 117
 118   if ( !DefKeybEventProc ) return;
 119
 120   TRACE_(event)("(%d,%d,%04lX)\n", bVk, bScan, dwFlags );
 121
 122   wke.magic = WINE_KEYBDEVENT_MAGIC;
 123   wke.posX  = posX;
 124   wke.posY  = posY;
 125   wke.time  = time;
 126
 127   /* To avoid deadlocks, we have to suspend all locks on windows structures
 128      before the program control is passed to the keyboard driver */
 129   iWndsLocks = WIN_SuspendWndsLock();
 130   DefKeybEventProc( bVk, bScan, dwFlags, (DWORD)&wke );
 131   WIN_RestoreWndsLock(iWndsLocks);
 132 }
 133
 134 /**********************************************************************
 135  *           SetSpeed16      (KEYBOARD.7)
 136  */
 137 WORD WINAPI SetSpeed16(WORD unused)
 138 {
 139     FIXME("(%04x): stub\n", unused);
 140     return 0xffff;
 141 }
 142
 143 /**********************************************************************
 144  *           ScreenSwitchEnable      (KEYBOARD.100)
 145  */
 146 VOID WINAPI ScreenSwitchEnable16(WORD unused)
 147 {
 148   FIXME("(%04x): stub\n", unused);
 149 }
 150
 151 /**********************************************************************
 152  *           OemKeyScan      (KEYBOARD.128)(USER32.401)
 153  */
 154 DWORD WINAPI OemKeyScan(WORD wOemChar)
 155 {
 156   TRACE("*OemKeyScan (%d)\n", wOemChar);
 157
 158   return wOemChar;
 159 }
 160
 161 /**********************************************************************
 162  *      VkKeyScan                       [KEYBOARD.129]
 163  */
 164 /* VkKeyScan translates an ANSI character to a virtual-key and shift code
 165  * for the current keyboard.
 166  * high-order byte yields :
 167  *      0       Unshifted
 168  *      1       Shift
 169  *      2       Ctrl
 170  *      3-5     Shift-key combinations that are not used for characters
 171  *      6       Ctrl-Alt
 172  *      7       Ctrl-Alt-Shift
 173  *      I.e. :  Shift = 1, Ctrl = 2, Alt = 4.
 174  * FIXME : works ok except for dead chars :
 175  * VkKeyScan '^'(0x5e, 94) ... got keycode 00 ... returning 00
 176  * VkKeyScan '`'(0x60, 96) ... got keycode 00 ... returning 00
 177  */
 178
 179 WORD WINAPI VkKeyScan16(CHAR cChar)
 180 {
 181     return USER_Driver.pVkKeyScan(cChar);
 182 }
 183
 184 /******************************************************************************
 185  *      GetKeyboardType16      (KEYBOARD.130)
 186  */
 187 INT16 WINAPI GetKeyboardType16(INT16 nTypeFlag)
 188 {
 189   TRACE("(%d)\n", nTypeFlag);
 190   switch(nTypeFlag)
 191     {
 192     case 0:      /* Keyboard type */
 193       return 4;    /* AT-101 */
 194       break;
 195     case 1:      /* Keyboard Subtype */
 196       return 0;    /* There are no defined subtypes */
 197       break;
 198     case 2:      /* Number of F-keys */
 199       return 12;   /* We're doing an 101 for now, so return 12 F-keys */
 200       break;
 201     default:
 202       WARN("Unknown type\n");
 203       return 0;    /* The book says 0 here, so 0 */
 204     }
 205 }
 206
 207 /******************************************************************************
 208  *      MapVirtualKey16      (KEYBOARD.131)
 209  *
 210  * MapVirtualKey translates keycodes from one format to another
 211  */
 212 UINT16 WINAPI MapVirtualKey16(UINT16 wCode, UINT16 wMapType)
 213 {
 214     return USER_Driver.pMapVirtualKey(wCode,wMapType);
 215 }
 216
 217 /****************************************************************************
 218  *      GetKBCodePage16   (KEYBOARD.132)
 219  */
 220 INT16 WINAPI GetKBCodePage16(void)
 221 {
 222   TRACE("(void)\n");
 223   return 850;
 224 }
 225
 226 /****************************************************************************
 227  *      GetKeyNameText16   (KEYBOARD.133)
 228  */
 229 INT16 WINAPI GetKeyNameText16(LONG lParam, LPSTR lpBuffer, INT16 nSize)
 230 {
 231     return USER_Driver.pGetKeyNameText(lParam, lpBuffer, nSize);
 232 }
 233
 234 /****************************************************************************
 235  *      ToAscii   (KEYBOARD.4)
 236  *
 237  * The ToAscii function translates the specified virtual-key code and keyboard
 238  * state to the corresponding Windows character or characters.
 239  *
 240  * If the specified key is a dead key, the return value is negative. Otherwise,
 241  * it is one of the following values:
 242  * Value        Meaning
 243  * 0    The specified virtual key has no translation for the current state of the keyboard.
 244  * 1    One Windows character was copied to the buffer.
 245  * 2    Two characters were copied to the buffer. This usually happens when a
 246  *      dead-key character (accent or diacritic) stored in the keyboard layout cannot
 247  *      be composed with the specified virtual key to form a single character.
 248  *
 249  * FIXME : should do the above (return 2 for non matching deadchar+char combinations)
 250  *
 251  */
 252 INT16 WINAPI ToAscii16(UINT16 virtKey,UINT16 scanCode, LPBYTE lpKeyState,
 253                        LPVOID lpChar, UINT16 flags)
 254 {
 255     return USER_Driver.pToAscii( virtKey, scanCode, lpKeyState, lpChar, flags );
 256 }
 257
 258 /***********************************************************************
 259  *              KEYBOARD_GetBeepActive
 260  */
 261 BOOL KEYBOARD_GetBeepActive()
 262 {
 263     return USER_Driver.pGetBeepActive();
 264 }
 265
 266 /***********************************************************************
 267  *              KEYBOARD_SetBeepActive
 268  */
 269 void KEYBOARD_SetBeepActive(BOOL bActivate)
 270 {
 271     USER_Driver.pSetBeepActive(bActivate);
 272 }
 273
 274 /***********************************************************************
 275  *           MessageBeep16   (USER.104)
 276  */
 277 void WINAPI MessageBeep16( UINT16 i )
 278 {
 279     MessageBeep( i );
 280 }
 281
 282 /***********************************************************************
 283  *           MessageBeep   (USER32.390)
 284  */
 285 BOOL WINAPI MessageBeep( UINT i )
 286 {
 287     USER_Driver.pBeep();
 288     return TRUE;
 289 }