Take advantage of the new registers saved in the STACK16FRAME to turn
[wine] / 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 "winuser.h"
17 #include "wine/keyboard16.h"
18 #include "win.h"
19 #include "heap.h"
20 #include "keyboard.h"
21 #include "message.h"
22 #include "debugtools.h"
23 #include "debugtools.h"
24 #include "struct32.h"
25 #include "winerror.h"
26
27 DECLARE_DEBUG_CHANNEL(event)
28 DECLARE_DEBUG_CHANNEL(keyboard)
29
30 /**********************************************************************/
31
32 KEYBOARD_DRIVER *KEYBOARD_Driver = NULL;
33
34 static LPKEYBD_EVENT_PROC DefKeybEventProc = NULL;
35 LPBYTE pKeyStateTable = NULL;
36
37 /***********************************************************************
38  *           KEYBOARD_Inquire                   (KEYBOARD.1)
39  */
40 WORD WINAPI KEYBOARD_Inquire(LPKBINFO kbInfo) 
41 {
42   kbInfo->Begin_First_Range = 0;
43   kbInfo->End_First_Range = 0;
44   kbInfo->Begin_Second_Range = 0;
45   kbInfo->End_Second_Range = 0;
46   kbInfo->StateSize = 16; 
47   
48   return sizeof(KBINFO);
49 }
50
51 /***********************************************************************
52  *           KEYBOARD_Enable                    (KEYBOARD.2)
53  */
54 VOID WINAPI KEYBOARD_Enable( LPKEYBD_EVENT_PROC lpKeybEventProc, 
55                              LPBYTE lpKeyState )
56 {
57   static BOOL initDone = FALSE;
58   
59   DefKeybEventProc = lpKeybEventProc;
60   pKeyStateTable = lpKeyState;
61   
62   /* all states to false */
63   memset( lpKeyState, 0, sizeof(lpKeyState) );
64   
65   if (!initDone) KEYBOARD_Driver->pInit();
66   initDone = TRUE;
67 }
68
69 /***********************************************************************
70  *           KEYBOARD_Disable                   (KEYBOARD.3)
71  */
72 VOID WINAPI KEYBOARD_Disable(VOID)
73 {
74   DefKeybEventProc = NULL;
75   pKeyStateTable = NULL;
76 }
77
78 /***********************************************************************
79  *           KEYBOARD_SendEvent
80  */
81 void KEYBOARD_SendEvent( BYTE bVk, BYTE bScan, DWORD dwFlags,
82                          DWORD posX, DWORD posY, DWORD time )
83 {
84   WINE_KEYBDEVENT wke;
85   int iWndsLocks;
86   
87   if ( !DefKeybEventProc ) return;
88   
89   TRACE_(event)("(%d,%d,%04lX)\n", bVk, bScan, dwFlags );
90   
91   wke.magic = WINE_KEYBDEVENT_MAGIC;
92   wke.posX  = posX;
93   wke.posY  = posY;
94   wke.time  = time;
95   
96   /* To avoid deadlocks, we have to suspend all locks on windows structures
97      before the program control is passed to the keyboard driver */
98   iWndsLocks = WIN_SuspendWndsLock();
99   DefKeybEventProc( bVk, bScan, dwFlags, (DWORD)&wke );
100   WIN_RestoreWndsLock(iWndsLocks);
101 }
102
103 /**********************************************************************
104  *           SetSpeed16      (KEYBOARD.7)
105  */
106 WORD WINAPI SetSpeed16(WORD unused)
107 {
108     FIXME_(keyboard)("(%04x): stub\n",unused);
109     return 0xffff;
110 }
111
112 /**********************************************************************
113  *           ScreenSwitchEnable      (KEYBOARD.100)
114  */
115 VOID WINAPI ScreenSwitchEnable16(WORD unused)
116 {
117   FIXME_(keyboard)("(%04x): stub\n",unused);
118 }
119
120 /**********************************************************************
121  *           OemKeyScan      (KEYBOARD.128)(USER32.401)
122  */
123 DWORD WINAPI OemKeyScan(WORD wOemChar)
124 {
125   TRACE_(keyboard)("*OemKeyScan (%d)\n",wOemChar);
126
127   return wOemChar;
128 }
129
130 /**********************************************************************
131  *      VkKeyScan                       [KEYBOARD.129]
132  */
133 /* VkKeyScan translates an ANSI character to a virtual-key and shift code
134  * for the current keyboard.
135  * high-order byte yields :
136  *      0       Unshifted
137  *      1       Shift
138  *      2       Ctrl
139  *      3-5     Shift-key combinations that are not used for characters
140  *      6       Ctrl-Alt
141  *      7       Ctrl-Alt-Shift
142  *      I.e. :  Shift = 1, Ctrl = 2, Alt = 4.
143  * FIXME : works ok except for dead chars :
144  * VkKeyScan '^'(0x5e, 94) ... got keycode 00 ... returning 00
145  * VkKeyScan '`'(0x60, 96) ... got keycode 00 ... returning 00
146  */
147
148 WORD WINAPI VkKeyScan16(CHAR cChar)
149 {
150   return KEYBOARD_Driver->pVkKeyScan(cChar);
151 }
152
153 /******************************************************************************
154  *      GetKeyboardType16      (KEYBOARD.130)
155  */
156 INT16 WINAPI GetKeyboardType16(INT16 nTypeFlag)
157 {
158   TRACE_(keyboard)("(%d)\n",nTypeFlag);
159   switch(nTypeFlag)
160     {
161     case 0:      /* Keyboard type */
162       return 4;    /* AT-101 */
163       break;
164     case 1:      /* Keyboard Subtype */
165       return 0;    /* There are no defined subtypes */
166       break;
167     case 2:      /* Number of F-keys */
168       return 12;   /* We're doing an 101 for now, so return 12 F-keys */
169       break;
170     default:     
171       WARN_(keyboard)("Unknown type\n");
172       return 0;    /* The book says 0 here, so 0 */
173     }
174 }
175
176 /******************************************************************************
177  *      MapVirtualKey16      (KEYBOARD.131)
178  *
179  * MapVirtualKey translates keycodes from one format to another
180  */
181 UINT16 WINAPI MapVirtualKey16(UINT16 wCode, UINT16 wMapType)
182 {
183   return KEYBOARD_Driver->pMapVirtualKey(wCode,wMapType);
184 }
185
186 /****************************************************************************
187  *      GetKBCodePage16   (KEYBOARD.132)
188  */
189 INT16 WINAPI GetKBCodePage16(void)
190 {
191   TRACE_(keyboard)("(void)\n");
192   return 850;
193 }
194
195 /****************************************************************************
196  *      GetKeyNameText16   (KEYBOARD.133)
197  */
198 INT16 WINAPI GetKeyNameText16(LONG lParam, LPSTR lpBuffer, INT16 nSize)
199 {
200   return KEYBOARD_Driver->pGetKeyNameText(lParam, lpBuffer, nSize);
201 }
202
203 /****************************************************************************
204  *      ToAscii   (KEYBOARD.4)
205  *
206  * The ToAscii function translates the specified virtual-key code and keyboard
207  * state to the corresponding Windows character or characters.
208  *
209  * If the specified key is a dead key, the return value is negative. Otherwise,
210  * it is one of the following values:
211  * Value        Meaning
212  * 0    The specified virtual key has no translation for the current state of the keyboard.
213  * 1    One Windows character was copied to the buffer.
214  * 2    Two characters were copied to the buffer. This usually happens when a
215  *      dead-key character (accent or diacritic) stored in the keyboard layout cannot
216  *      be composed with the specified virtual key to form a single character.
217  *
218  * FIXME : should do the above (return 2 for non matching deadchar+char combinations)
219  *
220  */
221 INT16 WINAPI ToAscii16(UINT16 virtKey,UINT16 scanCode, LPBYTE lpKeyState, 
222                        LPVOID lpChar, UINT16 flags) 
223 {
224     return KEYBOARD_Driver->pToAscii(
225         virtKey, scanCode, lpKeyState, lpChar, flags
226     );
227 }
228
229 /***********************************************************************
230  *              KEYBOARD_GetBeepActive
231  */
232 BOOL KEYBOARD_GetBeepActive()
233 {
234   return KEYBOARD_Driver->pGetBeepActive();
235 }
236
237 /***********************************************************************
238  *              KEYBOARD_SetBeepActive
239  */
240 void KEYBOARD_SetBeepActive(BOOL bActivate)
241 {
242   KEYBOARD_Driver->pSetBeepActive(bActivate);
243 }
244
245 /***********************************************************************
246  *              KEYBOARD_Beep
247  */
248 void KEYBOARD_Beep(void)
249 {
250   KEYBOARD_Driver->pBeep();
251 }
252