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  * This library is free software; you can redistribute it and/or
  10  * modify it under the terms of the GNU Lesser General Public
  11  * License as published by the Free Software Foundation; either
  12  * version 2.1 of the License, or (at your option) any later version.
  13  *
  14  * This library is distributed in the hope that it will be useful,
  15  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  16  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  17  * Lesser General Public License for more details.
  18  *
  19  * You should have received a copy of the GNU Lesser General Public
  20  * License along with this library; if not, write to the Free Software
  21  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
  22  */
  23
  24 #include "config.h"
  25
  26 #ifdef HAVE_UNISTD_H
  27 # include <unistd.h>
  28 #endif
  29 #include <stdio.h>
  30 #include <stdlib.h>
  31 #include <string.h>
  32 #include <fcntl.h>
  33 #ifdef HAVE_SYS_IOCTL_H
  34 #include <sys/ioctl.h>
  35 #endif
  36
  37 #include "mmsystem.h"
  38 #include "winbase.h"
  39 #include "winnls.h"
  40 #include "wingdi.h"
  41 #include "winuser.h"
  42
  43 #include "wine/mmsystem16.h"
  44 #include "winemm.h"
  45
  46 #include "wine/debug.h"
  47
  48 WINE_DEFAULT_DEBUG_CHANNEL(mmsys);
  49
  50 #define MAXJOYSTICK     (JOYSTICKID2 + 1)
  51 #define JOY_PERIOD_MIN  (10)    /* min Capture time period */
  52 #define JOY_PERIOD_MAX  (1000)  /* max Capture time period */
  53
  54 typedef struct tagWINE_JOYSTICK {
  55     JOYINFO     ji;
  56     HWND        hCapture;
  57     UINT        wTimer;
  58     DWORD       threshold;
  59     BOOL        bChanged;
  60     HDRVR       hDriver;
  61 } WINE_JOYSTICK;
  62
  63 static  WINE_JOYSTICK   JOY_Sticks[MAXJOYSTICK];
  64
  65 /**************************************************************************
  66  *                              JOY_LoadDriver          [internal]
  67  */
  68 static  BOOL JOY_LoadDriver(DWORD dwJoyID)
  69 {
  70     if (dwJoyID >= MAXJOYSTICK)
  71         return FALSE;
  72     if (JOY_Sticks[dwJoyID].hDriver)
  73         return TRUE;
  74
  75     JOY_Sticks[dwJoyID].hDriver = OpenDriverA("joystick.drv", 0, dwJoyID);
  76     return (JOY_Sticks[dwJoyID].hDriver != 0);
  77 }
  78
  79 /**************************************************************************
  80  *                              JOY_Timer               [internal]
  81  */
  82 static  void    CALLBACK        JOY_Timer(HWND hWnd, UINT wMsg, UINT wTimer, DWORD dwTime)
  83 {
  84     int                 i;
  85     WINE_JOYSTICK*      joy;
  86     JOYINFO             ji;
  87     LONG                pos;
  88     unsigned            buttonChange;
  89
  90     for (i = 0; i < MAXJOYSTICK; i++) {
  91         joy = &JOY_Sticks[i];
  92
  93         if (joy->hCapture != hWnd) continue;
  94
  95         joyGetPos(i, &ji);
  96         pos = MAKELONG(ji.wXpos, ji.wYpos);
  97
  98         if (!joy->bChanged ||
  99             abs(joy->ji.wXpos - ji.wXpos) > joy->threshold ||
 100             abs(joy->ji.wYpos - ji.wYpos) > joy->threshold) {
 101             SendMessageA(joy->hCapture, MM_JOY1MOVE + i, ji.wButtons, pos);
 102             joy->ji.wXpos = ji.wXpos;
 103             joy->ji.wYpos = ji.wYpos;
 104         }
 105         if (!joy->bChanged ||
 106             abs(joy->ji.wZpos - ji.wZpos) > joy->threshold) {
 107             SendMessageA(joy->hCapture, MM_JOY1ZMOVE + i, ji.wButtons, pos);
 108             joy->ji.wZpos = ji.wZpos;
 109         }
 110         if ((buttonChange = joy->ji.wButtons ^ ji.wButtons) != 0) {
 111             if (ji.wButtons & buttonChange)
 112                 SendMessageA(joy->hCapture, MM_JOY1BUTTONDOWN + i,
 113                              (buttonChange << 8) | (ji.wButtons & buttonChange), pos);
 114             if (joy->ji.wButtons & buttonChange)
 115                 SendMessageA(joy->hCapture, MM_JOY1BUTTONUP + i,
 116                              (buttonChange << 8) | (joy->ji.wButtons & buttonChange), pos);
 117             joy->ji.wButtons = ji.wButtons;
 118         }
 119     }
 120 }
 121
 122 /**************************************************************************
 123  *                              joyGetNumDevs           [WINMM.@]
 124  */
 125 UINT WINAPI joyGetNumDevs(void)
 126 {
 127     UINT        ret = 0;
 128     int         i;
 129
 130     for (i = 0; i < MAXJOYSTICK; i++) {
 131         if (JOY_LoadDriver(i)) {
 132             ret += SendDriverMessage(JOY_Sticks[i].hDriver, JDD_GETNUMDEVS, 0L, 0L);
 133         }
 134     }
 135     return ret;
 136 }
 137
 138 /**************************************************************************
 139  *                              joyGetNumDevs           [MMSYSTEM.101]
 140  */
 141 UINT16 WINAPI joyGetNumDevs16(void)
 142 {
 143     return joyGetNumDevs();
 144 }
 145
 146 /**************************************************************************
 147  *                              joyGetDevCapsA          [WINMM.@]
 148  */
 149 MMRESULT WINAPI joyGetDevCapsA(UINT wID, LPJOYCAPSA lpCaps, UINT wSize)
 150 {
 151     if (wID >= MAXJOYSTICK)     return JOYERR_PARMS;
 152     if (!JOY_LoadDriver(wID))   return MMSYSERR_NODRIVER;
 153
 154     lpCaps->wPeriodMin = JOY_PERIOD_MIN; /* FIXME */
 155     lpCaps->wPeriodMax = JOY_PERIOD_MAX; /* FIXME (same as MS Joystick Driver) */
 156
 157     return SendDriverMessage(JOY_Sticks[wID].hDriver, JDD_GETDEVCAPS, (DWORD)lpCaps, wSize);
 158 }
 159
 160 /**************************************************************************
 161  *                              joyGetDevCapsW          [WINMM.@]
 162  */
 163 MMRESULT WINAPI joyGetDevCapsW(UINT wID, LPJOYCAPSW lpCaps, UINT wSize)
 164 {
 165     JOYCAPSA    jca;
 166     MMRESULT    ret = joyGetDevCapsA(wID, &jca, sizeof(jca));
 167
 168     if (ret != JOYERR_NOERROR) return ret;
 169     lpCaps->wMid = jca.wMid;
 170     lpCaps->wPid = jca.wPid;
 171     MultiByteToWideChar( CP_ACP, 0, jca.szPname, -1, lpCaps->szPname,
 172                          sizeof(lpCaps->szPname)/sizeof(WCHAR) );
 173     lpCaps->wXmin = jca.wXmin;
 174     lpCaps->wXmax = jca.wXmax;
 175     lpCaps->wYmin = jca.wYmin;
 176     lpCaps->wYmax = jca.wYmax;
 177     lpCaps->wZmin = jca.wZmin;
 178     lpCaps->wZmax = jca.wZmax;
 179     lpCaps->wNumButtons = jca.wNumButtons;
 180     lpCaps->wPeriodMin = jca.wPeriodMin;
 181     lpCaps->wPeriodMax = jca.wPeriodMax;
 182
 183     if (wSize >= sizeof(JOYCAPSW)) { /* Win95 extensions ? */
 184         lpCaps->wRmin = jca.wRmin;
 185         lpCaps->wRmax = jca.wRmax;
 186         lpCaps->wUmin = jca.wUmin;
 187         lpCaps->wUmax = jca.wUmax;
 188         lpCaps->wVmin = jca.wVmin;
 189         lpCaps->wVmax = jca.wVmax;
 190         lpCaps->wCaps = jca.wCaps;
 191         lpCaps->wMaxAxes = jca.wMaxAxes;
 192         lpCaps->wNumAxes = jca.wNumAxes;
 193         lpCaps->wMaxButtons = jca.wMaxButtons;
 194         MultiByteToWideChar( CP_ACP, 0, jca.szRegKey, -1, lpCaps->szRegKey,
 195                          sizeof(lpCaps->szRegKey)/sizeof(WCHAR) );
 196         MultiByteToWideChar( CP_ACP, 0, jca.szOEMVxD, -1, lpCaps->szOEMVxD,
 197                          sizeof(lpCaps->szOEMVxD)/sizeof(WCHAR) );
 198     }
 199
 200     return ret;
 201 }
 202
 203 /**************************************************************************
 204  *                              joyGetDevCaps           [MMSYSTEM.102]
 205  */
 206 MMRESULT16 WINAPI joyGetDevCaps16(UINT16 wID, LPJOYCAPS16 lpCaps, UINT16 wSize)
 207 {
 208     JOYCAPSA    jca;
 209     MMRESULT    ret = joyGetDevCapsA(wID, &jca, sizeof(jca));
 210
 211     if (ret != JOYERR_NOERROR) return ret;
 212     lpCaps->wMid = jca.wMid;
 213     lpCaps->wPid = jca.wPid;
 214     strcpy(lpCaps->szPname, jca.szPname);
 215     lpCaps->wXmin = jca.wXmin;
 216     lpCaps->wXmax = jca.wXmax;
 217     lpCaps->wYmin = jca.wYmin;
 218     lpCaps->wYmax = jca.wYmax;
 219     lpCaps->wZmin = jca.wZmin;
 220     lpCaps->wZmax = jca.wZmax;
 221     lpCaps->wNumButtons = jca.wNumButtons;
 222     lpCaps->wPeriodMin = jca.wPeriodMin;
 223     lpCaps->wPeriodMax = jca.wPeriodMax;
 224
 225     if (wSize >= sizeof(JOYCAPS16)) { /* Win95 extensions ? */
 226         lpCaps->wRmin = jca.wRmin;
 227         lpCaps->wRmax = jca.wRmax;
 228         lpCaps->wUmin = jca.wUmin;
 229         lpCaps->wUmax = jca.wUmax;
 230         lpCaps->wVmin = jca.wVmin;
 231         lpCaps->wVmax = jca.wVmax;
 232         lpCaps->wCaps = jca.wCaps;
 233         lpCaps->wMaxAxes = jca.wMaxAxes;
 234         lpCaps->wNumAxes = jca.wNumAxes;
 235         lpCaps->wMaxButtons = jca.wMaxButtons;
 236         strcpy(lpCaps->szRegKey, jca.szRegKey);
 237         strcpy(lpCaps->szOEMVxD, jca.szOEMVxD);
 238     }
 239
 240     return ret;
 241 }
 242
 243 /**************************************************************************
 244  *                              joyGetPosEx             [WINMM.@]
 245  */
 246 MMRESULT WINAPI joyGetPosEx(UINT wID, LPJOYINFOEX lpInfo)
 247 {
 248     TRACE("(%d, %p);\n", wID, lpInfo);
 249
 250     if (wID >= MAXJOYSTICK)     return JOYERR_PARMS;
 251     if (!JOY_LoadDriver(wID))   return MMSYSERR_NODRIVER;
 252
 253     lpInfo->dwXpos = 0;
 254     lpInfo->dwYpos = 0;
 255     lpInfo->dwZpos = 0;
 256     lpInfo->dwRpos = 0;
 257     lpInfo->dwUpos = 0;
 258     lpInfo->dwVpos = 0;
 259     lpInfo->dwButtons = 0;
 260     lpInfo->dwButtonNumber = 0;
 261     lpInfo->dwPOV = 0;
 262     lpInfo->dwReserved1 = 0;
 263     lpInfo->dwReserved2 = 0;
 264
 265     return SendDriverMessage(JOY_Sticks[wID].hDriver, JDD_GETPOSEX, (DWORD)lpInfo, 0L);
 266 }
 267
 268 /**************************************************************************
 269  *                              joyGetPosEx           [MMSYSTEM.110]
 270  */
 271 MMRESULT16 WINAPI joyGetPosEx16(UINT16 wID, LPJOYINFOEX lpInfo)
 272 {
 273     return joyGetPosEx(wID, lpInfo);
 274 }
 275
 276 /**************************************************************************
 277  *                              joyGetPos               [WINMM.@]
 278  */
 279 MMRESULT WINAPI joyGetPos(UINT wID, LPJOYINFO lpInfo)
 280 {
 281     TRACE("(%d, %p);\n", wID, lpInfo);
 282
 283     if (wID >= MAXJOYSTICK)     return JOYERR_PARMS;
 284     if (!JOY_LoadDriver(wID))   return MMSYSERR_NODRIVER;
 285
 286     lpInfo->wXpos = 0;
 287     lpInfo->wYpos = 0;
 288     lpInfo->wZpos = 0;
 289     lpInfo->wButtons = 0;
 290
 291     return SendDriverMessage(JOY_Sticks[wID].hDriver, JDD_GETPOS, (DWORD)lpInfo, 0L);
 292 }
 293
 294 /**************************************************************************
 295  *                              joyGetPos               [MMSYSTEM.103]
 296  */
 297 MMRESULT16 WINAPI joyGetPos16(UINT16 wID, LPJOYINFO16 lpInfo)
 298 {
 299     JOYINFO     ji;
 300     MMRESULT    ret;
 301
 302     TRACE("(%d, %p);\n", wID, lpInfo);
 303
 304     if ((ret = joyGetPos(wID, &ji)) == JOYERR_NOERROR) {
 305         lpInfo->wXpos = ji.wXpos;
 306         lpInfo->wYpos = ji.wYpos;
 307         lpInfo->wZpos = ji.wZpos;
 308         lpInfo->wButtons = ji.wButtons;
 309     }
 310     return ret;
 311 }
 312
 313 /**************************************************************************
 314  *                              joyGetThreshold         [WINMM.@]
 315  */
 316 MMRESULT WINAPI joyGetThreshold(UINT wID, LPUINT lpThreshold)
 317 {
 318     TRACE("(%04X, %p);\n", wID, lpThreshold);
 319
 320     if (wID >= MAXJOYSTICK)     return JOYERR_PARMS;
 321
 322     *lpThreshold = JOY_Sticks[wID].threshold;
 323     return JOYERR_NOERROR;
 324 }
 325
 326 /**************************************************************************
 327  *                              joyGetThreshold         [MMSYSTEM.104]
 328  */
 329 MMRESULT16 WINAPI joyGetThreshold16(UINT16 wID, LPUINT16 lpThreshold)
 330 {
 331     TRACE("(%04X, %p);\n", wID, lpThreshold);
 332
 333     if (wID >= MAXJOYSTICK)     return JOYERR_PARMS;
 334
 335     *lpThreshold = JOY_Sticks[wID].threshold;
 336     return JOYERR_NOERROR;
 337 }
 338
 339 /**************************************************************************
 340  *                              joyReleaseCapture       [WINMM.@]
 341  */
 342 MMRESULT WINAPI joyReleaseCapture(UINT wID)
 343 {
 344     TRACE("(%04X);\n", wID);
 345
 346     if (wID >= MAXJOYSTICK)             return JOYERR_PARMS;
 347     if (!JOY_LoadDriver(wID))           return MMSYSERR_NODRIVER;
 348     if (!JOY_Sticks[wID].hCapture)      return JOYERR_NOCANDO;
 349
 350     KillTimer(JOY_Sticks[wID].hCapture, JOY_Sticks[wID].wTimer);
 351     JOY_Sticks[wID].hCapture = 0;
 352     JOY_Sticks[wID].wTimer = 0;
 353
 354     return JOYERR_NOERROR;
 355 }
 356
 357 /**************************************************************************
 358  *                              joyReleaseCapture       [MMSYSTEM.105]
 359  */
 360 MMRESULT16 WINAPI joyReleaseCapture16(UINT16 wID)
 361 {
 362     return joyReleaseCapture(wID);
 363 }
 364
 365 /**************************************************************************
 366  *                              joySetCapture           [WINMM.@]
 367  */
 368 MMRESULT WINAPI joySetCapture(HWND hWnd, UINT wID, UINT wPeriod, BOOL bChanged)
 369 {
 370     TRACE("(%04X, %04X, %d, %d);\n",  hWnd, wID, wPeriod, bChanged);
 371
 372     if (wID >= MAXJOYSTICK || hWnd == 0) return JOYERR_PARMS;
 373     if (wPeriod<JOY_PERIOD_MIN || wPeriod>JOY_PERIOD_MAX) return JOYERR_PARMS;
 374     if (!JOY_LoadDriver(wID)) return MMSYSERR_NODRIVER;
 375
 376     if (JOY_Sticks[wID].hCapture || !IsWindow(hWnd))
 377         return JOYERR_NOCANDO; /* FIXME: what should be returned ? */
 378
 379     if (joyGetPos(wID, &JOY_Sticks[wID].ji) != JOYERR_NOERROR)
 380         return JOYERR_UNPLUGGED;
 381
 382     if ((JOY_Sticks[wID].wTimer = SetTimer(hWnd, 0, wPeriod, JOY_Timer)) == 0)
 383         return JOYERR_NOCANDO;
 384
 385     JOY_Sticks[wID].hCapture = hWnd;
 386     JOY_Sticks[wID].bChanged = bChanged;
 387
 388     return JOYERR_NOERROR;
 389 }
 390
 391 /**************************************************************************
 392  *                              joySetCapture           [MMSYSTEM.106]
 393  */
 394 MMRESULT16 WINAPI joySetCapture16(HWND16 hWnd, UINT16 wID, UINT16 wPeriod, BOOL16 bChanged)
 395 {
 396     return joySetCapture16(hWnd, wID, wPeriod, bChanged);
 397 }
 398
 399 /**************************************************************************
 400  *                              joySetThreshold         [WINMM.@]
 401  */
 402 MMRESULT WINAPI joySetThreshold(UINT wID, UINT wThreshold)
 403 {
 404     TRACE("(%04X, %d);\n", wID, wThreshold);
 405
 406     if (wID >= MAXJOYSTICK) return MMSYSERR_INVALPARAM;
 407
 408     JOY_Sticks[wID].threshold = wThreshold;
 409
 410     return JOYERR_NOERROR;
 411 }
 412
 413 /**************************************************************************
 414  *                              joySetThreshold         [MMSYSTEM.107]
 415  */
 416 MMRESULT16 WINAPI joySetThreshold16(UINT16 wID, UINT16 wThreshold)
 417 {
 418     return joySetThreshold16(wID,wThreshold);
 419 }
 420
 421 /**************************************************************************
 422  *                              joySetCalibration       [MMSYSTEM.109]
 423  */
 424 MMRESULT16 WINAPI joySetCalibration16(UINT16 wID)
 425 {
 426     FIXME("(%04X): stub.\n", wID);
 427     return JOYERR_NOCANDO;
 428 }