dll/win32/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., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
  22  */
  23
  24 #include "winemm.h"
  25
  26 #ifdef HAVE_UNISTD_H
  27 # include <unistd.h>
  28 #endif
  29
  30 #include <stdlib.h>
  31
  32 #ifdef HAVE_SYS_IOCTL_H
  33 #include <sys/ioctl.h>
  34 #endif
  35
  36 WINE_DEFAULT_DEBUG_CHANNEL(winmm);
  37
  38 #define MAXJOYSTICK (JOYSTICKID2 + 30)
  39 #define JOY_PERIOD_MIN  (10)    /* min Capture time period */
  40 #define JOY_PERIOD_MAX  (1000)  /* max Capture time period */
  41
  42 typedef struct tagWINE_JOYSTICK {
  43     JOYINFO     ji;
  44     HWND        hCapture;
  45     UINT        wTimer;
  46     DWORD       threshold;
  47     BOOL        bChanged;
  48     HDRVR       hDriver;
  49 } WINE_JOYSTICK;
  50
  51 static  WINE_JOYSTICK   JOY_Sticks[MAXJOYSTICK];
  52
  53 /**************************************************************************
  54  *                              JOY_LoadDriver          [internal]
  55  */
  56 static  BOOL JOY_LoadDriver(DWORD dwJoyID)
  57 {
  58     if (dwJoyID >= MAXJOYSTICK)
  59         return FALSE;
  60     if (JOY_Sticks[dwJoyID].hDriver)
  61         return TRUE;
  62
  63     JOY_Sticks[dwJoyID].hDriver = OpenDriverA("winejoystick.drv", 0, dwJoyID);
  64     return (JOY_Sticks[dwJoyID].hDriver != 0);
  65 }
  66
  67 /**************************************************************************
  68  *                              JOY_Timer               [internal]
  69  */
  70 static  void    CALLBACK        JOY_Timer(HWND hWnd, UINT wMsg, UINT_PTR wTimer, DWORD dwTime)
  71 {
  72     int                 i;
  73     WINE_JOYSTICK*      joy;
  74     JOYINFO             ji;
  75     LONG                pos;
  76     unsigned            buttonChange;
  77
  78     for (i = 0; i < MAXJOYSTICK; i++) {
  79         joy = &JOY_Sticks[i];
  80
  81         if (joy->hCapture != hWnd) continue;
  82
  83         joyGetPos(i, &ji);
  84         pos = MAKELONG(ji.wXpos, ji.wYpos);
  85
  86         if (!joy->bChanged ||
  87             abs(joy->ji.wXpos - ji.wXpos) > joy->threshold ||
  88             abs(joy->ji.wYpos - ji.wYpos) > joy->threshold) {
  89             SendMessageA(joy->hCapture, MM_JOY1MOVE + i, ji.wButtons, pos);
  90             joy->ji.wXpos = ji.wXpos;
  91             joy->ji.wYpos = ji.wYpos;
  92         }
  93         if (!joy->bChanged ||
  94             abs(joy->ji.wZpos - ji.wZpos) > joy->threshold) {
  95             SendMessageA(joy->hCapture, MM_JOY1ZMOVE + i, ji.wButtons, pos);
  96             joy->ji.wZpos = ji.wZpos;
  97         }
  98         if ((buttonChange = joy->ji.wButtons ^ ji.wButtons) != 0) {
  99             if (ji.wButtons & buttonChange)
 100                 SendMessageA(joy->hCapture, MM_JOY1BUTTONDOWN + i,
 101                              (buttonChange << 8) | (ji.wButtons & buttonChange), pos);
 102             if (joy->ji.wButtons & buttonChange)
 103                 SendMessageA(joy->hCapture, MM_JOY1BUTTONUP + i,
 104                              (buttonChange << 8) | (joy->ji.wButtons & buttonChange), pos);
 105             joy->ji.wButtons = ji.wButtons;
 106         }
 107     }
 108 }
 109
 110 /**************************************************************************
 111  *                              joyConfigChanged        [WINMM.@]
 112  */
 113 MMRESULT WINAPI joyConfigChanged(DWORD flags)
 114 {
 115     FIXME("(%x) - stub\n", flags);
 116
 117     if (flags)
 118         return JOYERR_PARMS;
 119
 120     return JOYERR_NOERROR;
 121 }
 122
 123 /**************************************************************************
 124  *                              joyGetNumDevs           [WINMM.@]
 125  */
 126 UINT WINAPI DECLSPEC_HOTPATCH joyGetNumDevs(void)
 127 {
 128     UINT        ret = 0;
 129     int         i;
 130
 131     for (i = 0; i < MAXJOYSTICK; i++) {
 132         if (JOY_LoadDriver(i)) {
 133             ret += SendDriverMessage(JOY_Sticks[i].hDriver, JDD_GETNUMDEVS, 0, 0);
 134         }
 135     }
 136     return ret;
 137 }
 138
 139 /**************************************************************************
 140  *                              joyGetDevCapsW          [WINMM.@]
 141  */
 142 MMRESULT WINAPI DECLSPEC_HOTPATCH joyGetDevCapsW(UINT_PTR wID, LPJOYCAPSW lpCaps, UINT wSize)
 143 {
 144     if (wID >= MAXJOYSTICK)     return JOYERR_PARMS;
 145     if (!JOY_LoadDriver(wID))   return MMSYSERR_NODRIVER;
 146
 147     lpCaps->wPeriodMin = JOY_PERIOD_MIN; /* FIXME */
 148     lpCaps->wPeriodMax = JOY_PERIOD_MAX; /* FIXME (same as MS Joystick Driver) */
 149
 150     return SendDriverMessage(JOY_Sticks[wID].hDriver, JDD_GETDEVCAPS, (LPARAM)lpCaps, wSize);
 151 }
 152
 153 /**************************************************************************
 154  *                              joyGetDevCapsA          [WINMM.@]
 155  */
 156 MMRESULT WINAPI DECLSPEC_HOTPATCH joyGetDevCapsA(UINT_PTR wID, LPJOYCAPSA lpCaps, UINT wSize)
 157 {
 158     JOYCAPSW    jcw;
 159     MMRESULT    ret;
 160
 161     if (lpCaps == NULL) return MMSYSERR_INVALPARAM;
 162
 163     ret = joyGetDevCapsW(wID, &jcw, sizeof(jcw));
 164
 165     if (ret == JOYERR_NOERROR)
 166     {
 167         lpCaps->wMid = jcw.wMid;
 168         lpCaps->wPid = jcw.wPid;
 169         WideCharToMultiByte( CP_ACP, 0, jcw.szPname, -1, lpCaps->szPname,
 170                              sizeof(lpCaps->szPname), NULL, NULL );
 171         lpCaps->wXmin = jcw.wXmin;
 172         lpCaps->wXmax = jcw.wXmax;
 173         lpCaps->wYmin = jcw.wYmin;
 174         lpCaps->wYmax = jcw.wYmax;
 175         lpCaps->wZmin = jcw.wZmin;
 176         lpCaps->wZmax = jcw.wZmax;
 177         lpCaps->wNumButtons = jcw.wNumButtons;
 178         lpCaps->wPeriodMin = jcw.wPeriodMin;
 179         lpCaps->wPeriodMax = jcw.wPeriodMax;
 180
 181         if (wSize >= sizeof(JOYCAPSA)) { /* Win95 extensions ? */
 182             lpCaps->wRmin = jcw.wRmin;
 183             lpCaps->wRmax = jcw.wRmax;
 184             lpCaps->wUmin = jcw.wUmin;
 185             lpCaps->wUmax = jcw.wUmax;
 186             lpCaps->wVmin = jcw.wVmin;
 187             lpCaps->wVmax = jcw.wVmax;
 188             lpCaps->wCaps = jcw.wCaps;
 189             lpCaps->wMaxAxes = jcw.wMaxAxes;
 190             lpCaps->wNumAxes = jcw.wNumAxes;
 191             lpCaps->wMaxButtons = jcw.wMaxButtons;
 192             WideCharToMultiByte( CP_ACP, 0, jcw.szRegKey, -1, lpCaps->szRegKey,
 193                                  sizeof(lpCaps->szRegKey), NULL, NULL );
 194             WideCharToMultiByte( CP_ACP, 0, jcw.szOEMVxD, -1, lpCaps->szOEMVxD,
 195                                  sizeof(lpCaps->szOEMVxD), NULL, NULL );
 196         }
 197     }
 198
 199     return ret;
 200 }
 201
 202 /**************************************************************************
 203  *                              joyGetPosEx             [WINMM.@]
 204  */
 205 MMRESULT WINAPI DECLSPEC_HOTPATCH joyGetPosEx(UINT wID, LPJOYINFOEX lpInfo)
 206 {
 207     TRACE("(%d, %p);\n", wID, lpInfo);
 208
 209     if (wID >= MAXJOYSTICK)     return JOYERR_PARMS;
 210     if (!JOY_LoadDriver(wID))   return MMSYSERR_NODRIVER;
 211
 212     lpInfo->dwXpos = 0;
 213     lpInfo->dwYpos = 0;
 214     lpInfo->dwZpos = 0;
 215     lpInfo->dwRpos = 0;
 216     lpInfo->dwUpos = 0;
 217     lpInfo->dwVpos = 0;
 218     lpInfo->dwButtons = 0;
 219     lpInfo->dwButtonNumber = 0;
 220     lpInfo->dwPOV = 0;
 221     lpInfo->dwReserved1 = 0;
 222     lpInfo->dwReserved2 = 0;
 223
 224     return SendDriverMessage(JOY_Sticks[wID].hDriver, JDD_GETPOSEX, (LPARAM)lpInfo, 0);
 225 }
 226
 227 /**************************************************************************
 228  *                              joyGetPos               [WINMM.@]
 229  */
 230 MMRESULT WINAPI joyGetPos(UINT wID, LPJOYINFO lpInfo)
 231 {
 232     TRACE("(%d, %p);\n", wID, lpInfo);
 233
 234     if (wID >= MAXJOYSTICK)     return JOYERR_PARMS;
 235     if (!JOY_LoadDriver(wID))   return MMSYSERR_NODRIVER;
 236
 237     lpInfo->wXpos = 0;
 238     lpInfo->wYpos = 0;
 239     lpInfo->wZpos = 0;
 240     lpInfo->wButtons = 0;
 241
 242     return SendDriverMessage(JOY_Sticks[wID].hDriver, JDD_GETPOS, (LPARAM)lpInfo, 0);
 243 }
 244
 245 /**************************************************************************
 246  *                              joyGetThreshold         [WINMM.@]
 247  */
 248 MMRESULT WINAPI joyGetThreshold(UINT wID, LPUINT lpThreshold)
 249 {
 250     TRACE("(%04X, %p);\n", wID, lpThreshold);
 251
 252     if (wID >= MAXJOYSTICK)     return JOYERR_PARMS;
 253
 254     *lpThreshold = JOY_Sticks[wID].threshold;
 255     return JOYERR_NOERROR;
 256 }
 257
 258 /**************************************************************************
 259  *                              joyReleaseCapture       [WINMM.@]
 260  */
 261 MMRESULT WINAPI joyReleaseCapture(UINT wID)
 262 {
 263     TRACE("(%04X);\n", wID);
 264
 265     if (wID >= MAXJOYSTICK)             return JOYERR_PARMS;
 266     if (!JOY_LoadDriver(wID))           return MMSYSERR_NODRIVER;
 267     if (!JOY_Sticks[wID].hCapture)      return JOYERR_NOCANDO;
 268
 269     KillTimer(JOY_Sticks[wID].hCapture, JOY_Sticks[wID].wTimer);
 270     JOY_Sticks[wID].hCapture = 0;
 271     JOY_Sticks[wID].wTimer = 0;
 272
 273     return JOYERR_NOERROR;
 274 }
 275
 276 /**************************************************************************
 277  *                              joySetCapture           [WINMM.@]
 278  */
 279 MMRESULT WINAPI joySetCapture(HWND hWnd, UINT wID, UINT wPeriod, BOOL bChanged)
 280 {
 281     TRACE("(%p, %04X, %d, %d);\n",  hWnd, wID, wPeriod, bChanged);
 282
 283     if (wID >= MAXJOYSTICK || hWnd == 0) return JOYERR_PARMS;
 284     if (wPeriod<JOY_PERIOD_MIN || wPeriod>JOY_PERIOD_MAX) return JOYERR_PARMS;
 285     if (!JOY_LoadDriver(wID)) return MMSYSERR_NODRIVER;
 286
 287     if (JOY_Sticks[wID].hCapture || !IsWindow(hWnd))
 288         return JOYERR_NOCANDO; /* FIXME: what should be returned ? */
 289
 290     if (joyGetPos(wID, &JOY_Sticks[wID].ji) != JOYERR_NOERROR)
 291         return JOYERR_UNPLUGGED;
 292
 293     if ((JOY_Sticks[wID].wTimer = SetTimer(hWnd, 0, wPeriod, JOY_Timer)) == 0)
 294         return JOYERR_NOCANDO;
 295
 296     JOY_Sticks[wID].hCapture = hWnd;
 297     JOY_Sticks[wID].bChanged = bChanged;
 298
 299     return JOYERR_NOERROR;
 300 }
 301
 302 /**************************************************************************
 303  *                              joySetThreshold         [WINMM.@]
 304  */
 305 MMRESULT WINAPI joySetThreshold(UINT wID, UINT wThreshold)
 306 {
 307     TRACE("(%04X, %d);\n", wID, wThreshold);
 308
 309     if (wID >= MAXJOYSTICK) return MMSYSERR_INVALPARAM;
 310
 311     JOY_Sticks[wID].threshold = wThreshold;
 312
 313     return JOYERR_NOERROR;
 314 }