dlls/winmm/joystick.c

   1 /* -*- tab-width: 8; c-basic-offset: 4 -*- */
   2 /*
   3  * joystick functions
   4  *
   5  * Copyright 1997 Andreas Mohr
   6  *           2000 Wolfgang Schwotzer
   7  *                Eric Pouech
   8  */
   9
  10 #include "config.h"
  11
  12 #include <unistd.h>
  13 #include <stdio.h>
  14 #include <stdlib.h>
  15 #include <string.h>
  16 #include <fcntl.h>
  17 #include <sys/ioctl.h>
  18 #include "winbase.h"
  19 #include "wingdi.h"
  20 #include "winuser.h"
  21 #include "driver.h"
  22 #include "winemm.h"
  23 #include "debugtools.h"
  24
  25 DEFAULT_DEBUG_CHANNEL(mmsys);
  26
  27 #define MAXJOYSTICK     (JOYSTICKID2 + 1)
  28 #define JOY_PERIOD_MIN  (10)    /* min Capture time period */
  29 #define JOY_PERIOD_MAX  (1000)  /* max Capture time period */
  30
  31 typedef struct tagWINE_JOYSTICK {
  32     JOYINFO     ji;
  33     HWND        hCapture;
  34     UINT        wTimer;
  35     DWORD       threshold;
  36     BOOL        bChanged;
  37     HDRVR       hDriver;
  38 } WINE_JOYSTICK;
  39
  40 static  WINE_JOYSTICK   JOY_Sticks[MAXJOYSTICK];
  41
  42 /**************************************************************************
  43  *                              JOY_LoadDriver          [internal]
  44  */
  45 static  BOOL JOY_LoadDriver(DWORD dwJoyID)
  46 {
  47     if (dwJoyID >= MAXJOYSTICK)
  48         return FALSE;
  49     if (JOY_Sticks[dwJoyID].hDriver)
  50         return TRUE;
  51
  52     return JOY_Sticks[dwJoyID].hDriver = OpenDriverA("joystick.drv", 0, dwJoyID);
  53 }
  54
  55 /**************************************************************************
  56  *                              JOY_Timer               [internal]
  57  */
  58 static  void    CALLBACK        JOY_Timer(HWND hWnd, UINT wMsg, UINT wTimer, DWORD dwTime)
  59 {
  60     int                 i;
  61     WINE_JOYSTICK*      joy;
  62     JOYINFO             ji;
  63     LONG                pos;
  64     unsigned            buttonChange;
  65
  66     for (i = 0; i < MAXJOYSTICK; i++) {
  67         joy = &JOY_Sticks[i];
  68
  69         if (joy->hCapture != hWnd) continue;
  70
  71         joyGetPos(i, &ji);
  72         pos = MAKELONG(ji.wXpos, ji.wYpos);
  73
  74         if (!joy->bChanged ||
  75             abs(joy->ji.wXpos - ji.wXpos) > joy->threshold ||
  76             abs(joy->ji.wYpos - ji.wYpos) > joy->threshold) {
  77             SendMessageA(joy->hCapture, MM_JOY1MOVE + i, ji.wButtons, pos);
  78             joy->ji.wXpos = ji.wXpos;
  79             joy->ji.wYpos = ji.wYpos;
  80         }
  81         if (!joy->bChanged ||
  82             abs(joy->ji.wZpos - ji.wZpos) > joy->threshold) {
  83             SendMessageA(joy->hCapture, MM_JOY1ZMOVE + i, ji.wButtons, pos);
  84             joy->ji.wZpos = ji.wZpos;
  85         }
  86         if ((buttonChange = joy->ji.wButtons ^ ji.wButtons) != 0) {
  87             if (ji.wButtons & buttonChange)
  88                 SendMessageA(joy->hCapture, MM_JOY1BUTTONDOWN + i,
  89                              (buttonChange << 8) | (ji.wButtons & buttonChange), pos);
  90             if (joy->ji.wButtons & buttonChange)
  91                 SendMessageA(joy->hCapture, MM_JOY1BUTTONUP + i,
  92                              (buttonChange << 8) | (joy->ji.wButtons & buttonChange), pos);
  93             joy->ji.wButtons = ji.wButtons;
  94         }
  95     }
  96 }
  97
  98 /**************************************************************************
  99  *                              joyGetNumDevs           [WINMM.30]
 100  */
 101 UINT WINAPI joyGetNumDevs(void)
 102 {
 103     UINT        ret = 0;
 104     int         i;
 105
 106     for (i = 0; i < MAXJOYSTICK; i++) {
 107         if (JOY_LoadDriver(i)) {
 108             ret += SendDriverMessage(JOY_Sticks[i].hDriver, JDD_GETNUMDEVS, 0L, 0L);
 109         }
 110     }
 111     return ret;
 112 }
 113
 114 /**************************************************************************
 115  *                              joyGetNumDevs           [MMSYSTEM.101]
 116  */
 117 UINT16 WINAPI joyGetNumDevs16(void)
 118 {
 119     return joyGetNumDevs();
 120 }
 121
 122 /**************************************************************************
 123  *                              joyGetDevCapsA          [WINMM.27]
 124  */
 125 MMRESULT WINAPI joyGetDevCapsA(UINT wID, LPJOYCAPSA lpCaps, UINT wSize)
 126 {
 127     if (wID >= MAXJOYSTICK)     return JOYERR_PARMS;
 128     if (!JOY_LoadDriver(wID))   return MMSYSERR_NODRIVER;
 129
 130     lpCaps->wPeriodMin = JOY_PERIOD_MIN; /* FIXME */
 131     lpCaps->wPeriodMax = JOY_PERIOD_MAX; /* FIXME (same as MS Joystick Driver) */
 132
 133     return SendDriverMessage(JOY_Sticks[wID].hDriver, JDD_GETDEVCAPS, (DWORD)lpCaps, wSize);
 134 }
 135
 136 /**************************************************************************
 137  *                              joyGetDevCapsW          [WINMM.28]
 138  */
 139 MMRESULT WINAPI joyGetDevCapsW(UINT wID, LPJOYCAPSW lpCaps, UINT wSize)
 140 {
 141     JOYCAPSA    jca;
 142     MMRESULT    ret = joyGetDevCapsA(wID, &jca, sizeof(jca));
 143
 144     if (ret != JOYERR_NOERROR) return ret;
 145     lpCaps->wMid = jca.wMid;
 146     lpCaps->wPid = jca.wPid;
 147     lstrcpyAtoW(lpCaps->szPname, jca.szPname);
 148     lpCaps->wXmin = jca.wXmin;
 149     lpCaps->wXmax = jca.wXmax;
 150     lpCaps->wYmin = jca.wYmin;
 151     lpCaps->wYmax = jca.wYmax;
 152     lpCaps->wZmin = jca.wZmin;
 153     lpCaps->wZmax = jca.wZmax;
 154     lpCaps->wNumButtons = jca.wNumButtons;
 155     lpCaps->wPeriodMin = jca.wPeriodMin;
 156     lpCaps->wPeriodMax = jca.wPeriodMax;
 157
 158     if (wSize >= sizeof(JOYCAPSW)) { /* Win95 extensions ? */
 159         lpCaps->wRmin = jca.wRmin;
 160         lpCaps->wRmax = jca.wRmax;
 161         lpCaps->wUmin = jca.wUmin;
 162         lpCaps->wUmax = jca.wUmax;
 163         lpCaps->wVmin = jca.wVmin;
 164         lpCaps->wVmax = jca.wVmax;
 165         lpCaps->wCaps = jca.wCaps;
 166         lpCaps->wMaxAxes = jca.wMaxAxes;
 167         lpCaps->wNumAxes = jca.wNumAxes;
 168         lpCaps->wMaxButtons = jca.wMaxButtons;
 169         lstrcpyAtoW(lpCaps->szRegKey, jca.szRegKey);
 170         lstrcpyAtoW(lpCaps->szOEMVxD, jca.szOEMVxD);
 171     }
 172
 173     return ret;
 174 }
 175
 176 /**************************************************************************
 177  *                              joyGetDevCaps           [MMSYSTEM.102]
 178  */
 179 MMRESULT16 WINAPI joyGetDevCaps16(UINT16 wID, LPJOYCAPS16 lpCaps, UINT16 wSize)
 180 {
 181     JOYCAPSA    jca;
 182     MMRESULT    ret = joyGetDevCapsA(wID, &jca, sizeof(jca));
 183
 184     if (ret != JOYERR_NOERROR) return ret;
 185     lpCaps->wMid = jca.wMid;
 186     lpCaps->wPid = jca.wPid;
 187     strcpy(lpCaps->szPname, jca.szPname);
 188     lpCaps->wXmin = jca.wXmin;
 189     lpCaps->wXmax = jca.wXmax;
 190     lpCaps->wYmin = jca.wYmin;
 191     lpCaps->wYmax = jca.wYmax;
 192     lpCaps->wZmin = jca.wZmin;
 193     lpCaps->wZmax = jca.wZmax;
 194     lpCaps->wNumButtons = jca.wNumButtons;
 195     lpCaps->wPeriodMin = jca.wPeriodMin;
 196     lpCaps->wPeriodMax = jca.wPeriodMax;
 197
 198     if (wSize >= sizeof(JOYCAPS16)) { /* Win95 extensions ? */
 199         lpCaps->wRmin = jca.wRmin;
 200         lpCaps->wRmax = jca.wRmax;
 201         lpCaps->wUmin = jca.wUmin;
 202         lpCaps->wUmax = jca.wUmax;
 203         lpCaps->wVmin = jca.wVmin;
 204         lpCaps->wVmax = jca.wVmax;
 205         lpCaps->wCaps = jca.wCaps;
 206         lpCaps->wMaxAxes = jca.wMaxAxes;
 207         lpCaps->wNumAxes = jca.wNumAxes;
 208         lpCaps->wMaxButtons = jca.wMaxButtons;
 209         strcpy(lpCaps->szRegKey, jca.szRegKey);
 210         strcpy(lpCaps->szOEMVxD, jca.szOEMVxD);
 211     }
 212
 213     return ret;
 214 }
 215
 216 /**************************************************************************
 217  *                              joyGetPosEx             [WINMM.32]
 218  */
 219 MMRESULT WINAPI joyGetPosEx(UINT wID, LPJOYINFOEX lpInfo)
 220 {
 221     TRACE("(%d, %p);\n", wID, lpInfo);
 222
 223     if (wID >= MAXJOYSTICK)     return JOYERR_PARMS;
 224     if (!JOY_LoadDriver(wID))   return MMSYSERR_NODRIVER;
 225
 226     lpInfo->dwXpos = 0;
 227     lpInfo->dwYpos = 0;
 228     lpInfo->dwZpos = 0;
 229     lpInfo->dwRpos = 0;
 230     lpInfo->dwUpos = 0;
 231     lpInfo->dwVpos = 0;
 232     lpInfo->dwButtons = 0;
 233     lpInfo->dwButtonNumber = 0;
 234     lpInfo->dwPOV = 0;
 235     lpInfo->dwReserved1 = 0;
 236     lpInfo->dwReserved2 = 0;
 237
 238     return SendDriverMessage(JOY_Sticks[wID].hDriver, JDD_GETPOSEX, (DWORD)lpInfo, 0L);
 239 }
 240
 241 /**************************************************************************
 242  *                              joyGetPosEx16           [MMSYSTEM.]
 243  */
 244 MMRESULT16 WINAPI joyGetPosEx16(UINT16 wID, LPJOYINFOEX lpInfo)
 245 {
 246     return joyGetPosEx(wID, lpInfo);
 247 }
 248
 249 /**************************************************************************
 250  *                              joyGetPos               [WINMM.31]
 251  */
 252 MMRESULT WINAPI joyGetPos(UINT wID, LPJOYINFO lpInfo)
 253 {
 254     TRACE("(%d, %p);\n", wID, lpInfo);
 255
 256     if (wID >= MAXJOYSTICK)     return JOYERR_PARMS;
 257     if (!JOY_LoadDriver(wID))   return MMSYSERR_NODRIVER;
 258
 259     lpInfo->wXpos = 0;
 260     lpInfo->wYpos = 0;
 261     lpInfo->wZpos = 0;
 262     lpInfo->wButtons = 0;
 263
 264     return SendDriverMessage(JOY_Sticks[wID].hDriver, JDD_GETPOS, (DWORD)lpInfo, 0L);
 265 }
 266
 267 /**************************************************************************
 268  *                              joyGetPos16             [MMSYSTEM.103]
 269  */
 270 MMRESULT16 WINAPI joyGetPos16(UINT16 wID, LPJOYINFO16 lpInfo)
 271 {
 272     JOYINFO     ji;
 273     MMRESULT    ret;
 274
 275     TRACE("(%d, %p);\n", wID, lpInfo);
 276
 277     if ((ret = joyGetPos(wID, &ji)) == JOYERR_NOERROR) {
 278         lpInfo->wXpos = ji.wXpos;
 279         lpInfo->wYpos = ji.wYpos;
 280         lpInfo->wZpos = ji.wZpos;
 281         lpInfo->wButtons = ji.wButtons;
 282     }
 283     return ret;
 284 }
 285
 286 /**************************************************************************
 287  *                              joyGetThreshold         [WINMM.36]
 288  */
 289 MMRESULT WINAPI joyGetThreshold(UINT wID, LPUINT lpThreshold)
 290 {
 291     TRACE("(%04X, %p);\n", wID, lpThreshold);
 292
 293     if (wID >= MAXJOYSTICK)     return JOYERR_PARMS;
 294
 295     *lpThreshold = JOY_Sticks[wID].threshold;
 296     return JOYERR_NOERROR;
 297 }
 298
 299 /**************************************************************************
 300  *                              joyGetThreshold         [MMSYSTEM.104]
 301  */
 302 MMRESULT16 WINAPI joyGetThreshold16(UINT16 wID, LPUINT16 lpThreshold)
 303 {
 304     TRACE("(%04X, %p);\n", wID, lpThreshold);
 305
 306     if (wID >= MAXJOYSTICK)     return JOYERR_PARMS;
 307
 308     *lpThreshold = JOY_Sticks[wID].threshold;
 309     return JOYERR_NOERROR;
 310 }
 311
 312 /**************************************************************************
 313  *                              joyReleaseCapture       [WINMM.34]
 314  */
 315 MMRESULT WINAPI joyReleaseCapture(UINT wID)
 316 {
 317     TRACE("(%04X);\n", wID);
 318
 319     if (wID >= MAXJOYSTICK)             return JOYERR_PARMS;
 320     if (!JOY_LoadDriver(wID))           return MMSYSERR_NODRIVER;
 321     if (!JOY_Sticks[wID].hCapture)      return JOYERR_NOCANDO;
 322
 323     KillTimer(JOY_Sticks[wID].hCapture, JOY_Sticks[wID].wTimer);
 324     JOY_Sticks[wID].hCapture = 0;
 325     JOY_Sticks[wID].wTimer = 0;
 326
 327     return JOYERR_NOERROR;
 328 }
 329
 330 /**************************************************************************
 331  *                              joyReleaseCapture       [MMSYSTEM.105]
 332  */
 333 MMRESULT16 WINAPI joyReleaseCapture16(UINT16 wID)
 334 {
 335     return joyReleaseCapture(wID);
 336 }
 337
 338 /**************************************************************************
 339  *                              joySetCapture           [WINMM.35]
 340  */
 341 MMRESULT WINAPI joySetCapture(HWND hWnd, UINT wID, UINT wPeriod, BOOL bChanged)
 342 {
 343     TRACE("(%04X, %04X, %d, %d);\n",  hWnd, wID, wPeriod, bChanged);
 344
 345     if (wID >= MAXJOYSTICK || hWnd == 0) return JOYERR_PARMS;
 346     if (wPeriod<JOY_PERIOD_MIN || wPeriod>JOY_PERIOD_MAX) return JOYERR_PARMS;
 347     if (!JOY_LoadDriver(wID)) return MMSYSERR_NODRIVER;
 348
 349     if (JOY_Sticks[wID].hCapture || !IsWindow(hWnd))
 350         return JOYERR_NOCANDO; /* FIXME: what should be returned ? */
 351
 352     if (joyGetPos(wID, &JOY_Sticks[wID].ji) != JOYERR_NOERROR)
 353         return JOYERR_UNPLUGGED;
 354
 355     if ((JOY_Sticks[wID].wTimer = SetTimer(hWnd, 0, wPeriod, JOY_Timer)) == 0)
 356         return JOYERR_NOCANDO;
 357
 358     JOY_Sticks[wID].hCapture = hWnd;
 359     JOY_Sticks[wID].bChanged = bChanged;
 360
 361     return JOYERR_NOERROR;
 362 }
 363
 364 /**************************************************************************
 365  *                              joySetCapture           [MMSYSTEM.106]
 366  */
 367 MMRESULT16 WINAPI joySetCapture16(HWND16 hWnd, UINT16 wID, UINT16 wPeriod, BOOL16 bChanged)
 368 {
 369     return joySetCapture16(hWnd, wID, wPeriod, bChanged);
 370 }
 371
 372 /**************************************************************************
 373  *                              joySetThreshold         [WINMM.36]
 374  */
 375 MMRESULT WINAPI joySetThreshold(UINT wID, UINT wThreshold)
 376 {
 377     TRACE("(%04X, %d);\n", wID, wThreshold);
 378
 379     if (wID >= MAXJOYSTICK) return MMSYSERR_INVALPARAM;
 380
 381     JOY_Sticks[wID].threshold = wThreshold;
 382
 383     return JOYERR_NOERROR;
 384 }
 385
 386 /**************************************************************************
 387  *                              joySetThreshold         [MMSYSTEM.107]
 388  */
 389 MMRESULT16 WINAPI joySetThreshold16(UINT16 wID, UINT16 wThreshold)
 390 {
 391     return joySetThreshold16(wID,wThreshold);
 392 }
 393
 394 /**************************************************************************
 395  *                              joySetCalibration       [MMSYSTEM.109]
 396  */
 397 MMRESULT16 WINAPI joySetCalibration16(UINT16 wID)
 398 {
 399     FIXME("(%04X): stub.\n", wID);
 400     return JOYERR_NOCANDO;
 401 }