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