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