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., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
  22  */
  23
  24 #include "config.h"
  25
  26 #ifdef HAVE_UNISTD_H
  27 # include <unistd.h>
  28 #endif
  29 #include <stdarg.h>
  30 #include <stdio.h>
  31 #include <stdlib.h>
  32 #include <string.h>
  33 #include <fcntl.h>
  34 #ifdef HAVE_SYS_IOCTL_H
  35 #include <sys/ioctl.h>
  36 #endif
  37
  38 #include "windef.h"
  39 #include "winbase.h"
  40 #include "mmsystem.h"
  41 #include "wingdi.h"
  42 #include "winuser.h"
  43 #include "winnls.h"
  44
  45 #include "mmddk.h"
  46
  47 #include "wine/debug.h"
  48
  49 WINE_DEFAULT_DEBUG_CHANNEL(winmm);
  50
  51 #define MAXJOYSTICK (JOYSTICKID2 + 30)
  52 #define JOY_PERIOD_MIN  (10)    /* min Capture time period */
  53 #define JOY_PERIOD_MAX  (1000)  /* max Capture time period */
  54
  55 typedef struct tagWINE_JOYSTICK {
  56     JOYINFO     ji;
  57     HWND        hCapture;
  58     UINT        wTimer;
  59     DWORD       threshold;
  60     BOOL        bChanged;
  61     HDRVR       hDriver;
  62 } WINE_JOYSTICK;
  63
  64 static  WINE_JOYSTICK   JOY_Sticks[MAXJOYSTICK];
  65
  66 /**************************************************************************
  67  *                              JOY_LoadDriver          [internal]
  68  */
  69 static  BOOL JOY_LoadDriver(DWORD dwJoyID)
  70 {
  71     if (dwJoyID >= MAXJOYSTICK)
  72         return FALSE;
  73     if (JOY_Sticks[dwJoyID].hDriver)
  74         return TRUE;
  75
  76     JOY_Sticks[dwJoyID].hDriver = OpenDriverA("winejoystick.drv", 0, dwJoyID);
  77     return (JOY_Sticks[dwJoyID].hDriver != 0);
  78 }
  79
  80 /**************************************************************************
  81  *                              JOY_Timer               [internal]
  82  */
  83 static  void    CALLBACK        JOY_Timer(HWND hWnd, UINT wMsg, UINT_PTR wTimer, DWORD dwTime)
  84 {
  85     int                 i;
  86     WINE_JOYSTICK*      joy;
  87     JOYINFO             ji;
  88     LONG                pos;
  89     unsigned            buttonChange;
  90
  91     for (i = 0; i < MAXJOYSTICK; i++) {
  92         joy = &JOY_Sticks[i];
  93
  94         if (joy->hCapture != hWnd) continue;
  95
  96         joyGetPos(i, &ji);
  97         pos = MAKELONG(ji.wXpos, ji.wYpos);
  98
  99         if (!joy->bChanged ||
 100             abs(joy->ji.wXpos - ji.wXpos) > joy->threshold ||
 101             abs(joy->ji.wYpos - ji.wYpos) > joy->threshold) {
 102             SendMessageA(joy->hCapture, MM_JOY1MOVE + i, ji.wButtons, pos);
 103             joy->ji.wXpos = ji.wXpos;
 104             joy->ji.wYpos = ji.wYpos;
 105         }
 106         if (!joy->bChanged ||
 107             abs(joy->ji.wZpos - ji.wZpos) > joy->threshold) {
 108             SendMessageA(joy->hCapture, MM_JOY1ZMOVE + i, ji.wButtons, pos);
 109             joy->ji.wZpos = ji.wZpos;
 110         }
 111         if ((buttonChange = joy->ji.wButtons ^ ji.wButtons) != 0) {
 112             if (ji.wButtons & buttonChange)
 113                 SendMessageA(joy->hCapture, MM_JOY1BUTTONDOWN + i,
 114                              (buttonChange << 8) | (ji.wButtons & buttonChange), pos);
 115             if (joy->ji.wButtons & buttonChange)
 116                 SendMessageA(joy->hCapture, MM_JOY1BUTTONUP + i,
 117                              (buttonChange << 8) | (joy->ji.wButtons & buttonChange), pos);
 118             joy->ji.wButtons = ji.wButtons;
 119         }
 120     }
 121 }
 122
 123 /**************************************************************************
 124  *                              joyConfigChanged        [WINMM.@]
 125  */
 126 MMRESULT WINAPI joyConfigChanged(DWORD flags)
 127 {
 128     FIXME("(%x) - stub\n", flags);
 129
 130     if (flags)
 131         return JOYERR_PARMS;
 132
 133     return JOYERR_NOERROR;
 134 }
 135
 136 /**************************************************************************
 137  *                              joyGetNumDevs           [WINMM.@]
 138  */
 139 UINT WINAPI DECLSPEC_HOTPATCH joyGetNumDevs(void)
 140 {
 141     UINT        ret = 0;
 142     int         i;
 143
 144     for (i = 0; i < MAXJOYSTICK; i++) {
 145         if (JOY_LoadDriver(i)) {
 146             ret += SendDriverMessage(JOY_Sticks[i].hDriver, JDD_GETNUMDEVS, 0, 0);
 147         }
 148     }
 149     return ret;
 150 }
 151
 152 /**************************************************************************
 153  *                              joyGetDevCapsW          [WINMM.@]
 154  */
 155 MMRESULT WINAPI DECLSPEC_HOTPATCH joyGetDevCapsW(UINT_PTR wID, LPJOYCAPSW lpCaps, UINT wSize)
 156 {
 157     if (wID >= MAXJOYSTICK)     return JOYERR_PARMS;
 158     if (!JOY_LoadDriver(wID))   return MMSYSERR_NODRIVER;
 159
 160     lpCaps->wPeriodMin = JOY_PERIOD_MIN; /* FIXME */
 161     lpCaps->wPeriodMax = JOY_PERIOD_MAX; /* FIXME (same as MS Joystick Driver) */
 162
 163     return SendDriverMessage(JOY_Sticks[wID].hDriver, JDD_GETDEVCAPS, (LPARAM)lpCaps, wSize);
 164 }
 165
 166 /**************************************************************************
 167  *                              joyGetDevCapsA          [WINMM.@]
 168  */
 169 MMRESULT WINAPI DECLSPEC_HOTPATCH joyGetDevCapsA(UINT_PTR wID, LPJOYCAPSA lpCaps, UINT wSize)
 170 {
 171     JOYCAPSW    jcw;
 172     MMRESULT    ret;
 173
 174     if (lpCaps == NULL) return MMSYSERR_INVALPARAM;
 175
 176     ret = joyGetDevCapsW(wID, &jcw, sizeof(jcw));
 177
 178     if (ret == JOYERR_NOERROR)
 179     {
 180         lpCaps->wMid = jcw.wMid;
 181         lpCaps->wPid = jcw.wPid;
 182         WideCharToMultiByte( CP_ACP, 0, jcw.szPname, -1, lpCaps->szPname,
 183                              sizeof(lpCaps->szPname), NULL, NULL );
 184         lpCaps->wXmin = jcw.wXmin;
 185         lpCaps->wXmax = jcw.wXmax;
 186         lpCaps->wYmin = jcw.wYmin;
 187         lpCaps->wYmax = jcw.wYmax;
 188         lpCaps->wZmin = jcw.wZmin;
 189         lpCaps->wZmax = jcw.wZmax;
 190         lpCaps->wNumButtons = jcw.wNumButtons;
 191         lpCaps->wPeriodMin = jcw.wPeriodMin;
 192         lpCaps->wPeriodMax = jcw.wPeriodMax;
 193
 194         if (wSize >= sizeof(JOYCAPSA)) { /* Win95 extensions ? */
 195             lpCaps->wRmin = jcw.wRmin;
 196             lpCaps->wRmax = jcw.wRmax;
 197             lpCaps->wUmin = jcw.wUmin;
 198             lpCaps->wUmax = jcw.wUmax;
 199             lpCaps->wVmin = jcw.wVmin;
 200             lpCaps->wVmax = jcw.wVmax;
 201             lpCaps->wCaps = jcw.wCaps;
 202             lpCaps->wMaxAxes = jcw.wMaxAxes;
 203             lpCaps->wNumAxes = jcw.wNumAxes;
 204             lpCaps->wMaxButtons = jcw.wMaxButtons;
 205             WideCharToMultiByte( CP_ACP, 0, jcw.szRegKey, -1, lpCaps->szRegKey,
 206                                  sizeof(lpCaps->szRegKey), NULL, NULL );
 207             WideCharToMultiByte( CP_ACP, 0, jcw.szOEMVxD, -1, lpCaps->szOEMVxD,
 208                                  sizeof(lpCaps->szOEMVxD), NULL, NULL );
 209         }
 210     }
 211
 212     return ret;
 213 }
 214
 215 /**************************************************************************
 216  *                              joyGetPosEx             [WINMM.@]
 217  */
 218 MMRESULT WINAPI DECLSPEC_HOTPATCH joyGetPosEx(UINT wID, LPJOYINFOEX lpInfo)
 219 {
 220     TRACE("(%d, %p);\n", wID, lpInfo);
 221
 222     if (!lpInfo) return MMSYSERR_INVALPARAM;
 223     if (wID >= MAXJOYSTICK || lpInfo->dwSize < sizeof(JOYINFOEX)) 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, (LPARAM)lpInfo, 0);
 239 }
 240
 241 /**************************************************************************
 242  *                              joyGetPos               [WINMM.@]
 243  */
 244 MMRESULT WINAPI joyGetPos(UINT wID, LPJOYINFO lpInfo)
 245 {
 246     TRACE("(%d, %p);\n", wID, lpInfo);
 247
 248     if (!lpInfo) return MMSYSERR_INVALPARAM;
 249     if (wID >= MAXJOYSTICK)     return JOYERR_PARMS;
 250     if (!JOY_LoadDriver(wID))   return MMSYSERR_NODRIVER;
 251
 252     lpInfo->wXpos = 0;
 253     lpInfo->wYpos = 0;
 254     lpInfo->wZpos = 0;
 255     lpInfo->wButtons = 0;
 256
 257     return SendDriverMessage(JOY_Sticks[wID].hDriver, JDD_GETPOS, (LPARAM)lpInfo, 0);
 258 }
 259
 260 /**************************************************************************
 261  *                              joyGetThreshold         [WINMM.@]
 262  */
 263 MMRESULT WINAPI joyGetThreshold(UINT wID, LPUINT lpThreshold)
 264 {
 265     TRACE("(%04X, %p);\n", wID, lpThreshold);
 266
 267     if (wID >= MAXJOYSTICK)     return JOYERR_PARMS;
 268
 269     *lpThreshold = JOY_Sticks[wID].threshold;
 270     return JOYERR_NOERROR;
 271 }
 272
 273 /**************************************************************************
 274  *                              joyReleaseCapture       [WINMM.@]
 275  */
 276 MMRESULT WINAPI joyReleaseCapture(UINT wID)
 277 {
 278     TRACE("(%04X);\n", wID);
 279
 280     if (wID >= MAXJOYSTICK)             return JOYERR_PARMS;
 281     if (!JOY_LoadDriver(wID))           return MMSYSERR_NODRIVER;
 282     if (JOY_Sticks[wID].hCapture)
 283     {
 284         KillTimer(JOY_Sticks[wID].hCapture, JOY_Sticks[wID].wTimer);
 285         JOY_Sticks[wID].hCapture = 0;
 286         JOY_Sticks[wID].wTimer = 0;
 287     }
 288     else
 289         TRACE("Joystick is not captured, ignoring request.\n");
 290
 291     return JOYERR_NOERROR;
 292 }
 293
 294 /**************************************************************************
 295  *                              joySetCapture           [WINMM.@]
 296  */
 297 MMRESULT WINAPI joySetCapture(HWND hWnd, UINT wID, UINT wPeriod, BOOL bChanged)
 298 {
 299     TRACE("(%p, %04X, %d, %d);\n",  hWnd, wID, wPeriod, bChanged);
 300
 301     if (wID >= MAXJOYSTICK || hWnd == 0) return JOYERR_PARMS;
 302     if (wPeriod<JOY_PERIOD_MIN) wPeriod = JOY_PERIOD_MIN;
 303     else if(wPeriod>JOY_PERIOD_MAX) wPeriod = JOY_PERIOD_MAX;
 304     if (!JOY_LoadDriver(wID)) return MMSYSERR_NODRIVER;
 305
 306     if (JOY_Sticks[wID].hCapture || !IsWindow(hWnd))
 307         return JOYERR_NOCANDO; /* FIXME: what should be returned ? */
 308
 309     if (joyGetPos(wID, &JOY_Sticks[wID].ji) != JOYERR_NOERROR)
 310         return JOYERR_UNPLUGGED;
 311
 312     if ((JOY_Sticks[wID].wTimer = SetTimer(hWnd, 0, wPeriod, JOY_Timer)) == 0)
 313         return JOYERR_NOCANDO;
 314
 315     JOY_Sticks[wID].hCapture = hWnd;
 316     JOY_Sticks[wID].bChanged = bChanged;
 317
 318     return JOYERR_NOERROR;
 319 }
 320
 321 /**************************************************************************
 322  *                              joySetThreshold         [WINMM.@]
 323  */
 324 MMRESULT WINAPI joySetThreshold(UINT wID, UINT wThreshold)
 325 {
 326     TRACE("(%04X, %d);\n", wID, wThreshold);
 327
 328     if (wID >= MAXJOYSTICK || wThreshold > 65535) return MMSYSERR_INVALPARAM;
 329
 330     JOY_Sticks[wID].threshold = wThreshold;
 331
 332     return JOYERR_NOERROR;
 333 }