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     MMRESULT            res;
  88     JOYINFO             ji;
  89     LONG                pos;
  90     unsigned            buttonChange;
  91
  92     for (i = 0; i < MAXJOYSTICK; i++) {
  93         joy = &JOY_Sticks[i];
  94
  95         if (joy->hCapture != hWnd) continue;
  96
  97         res = joyGetPos(i, &ji);
  98         if (res != JOYERR_NOERROR) {
  99             WARN("joyGetPos failed: %08x\n", res);
 100             continue;
 101         }
 102
 103         pos = MAKELONG(ji.wXpos, ji.wYpos);
 104
 105         if (!joy->bChanged ||
 106             abs(joy->ji.wXpos - ji.wXpos) > joy->threshold ||
 107             abs(joy->ji.wYpos - ji.wYpos) > joy->threshold) {
 108             SendMessageA(joy->hCapture, MM_JOY1MOVE + i, ji.wButtons, pos);
 109             joy->ji.wXpos = ji.wXpos;
 110             joy->ji.wYpos = ji.wYpos;
 111         }
 112         if (!joy->bChanged ||
 113             abs(joy->ji.wZpos - ji.wZpos) > joy->threshold) {
 114             SendMessageA(joy->hCapture, MM_JOY1ZMOVE + i, ji.wButtons, pos);
 115             joy->ji.wZpos = ji.wZpos;
 116         }
 117         if ((buttonChange = joy->ji.wButtons ^ ji.wButtons) != 0) {
 118             if (ji.wButtons & buttonChange)
 119                 SendMessageA(joy->hCapture, MM_JOY1BUTTONDOWN + i,
 120                              (buttonChange << 8) | (ji.wButtons & buttonChange), pos);
 121             if (joy->ji.wButtons & buttonChange)
 122                 SendMessageA(joy->hCapture, MM_JOY1BUTTONUP + i,
 123                              (buttonChange << 8) | (joy->ji.wButtons & buttonChange), pos);
 124             joy->ji.wButtons = ji.wButtons;
 125         }
 126     }
 127 }
 128
 129 /**************************************************************************
 130  *                              joyConfigChanged        [WINMM.@]
 131  */
 132 MMRESULT WINAPI joyConfigChanged(DWORD flags)
 133 {
 134     FIXME("(%x) - stub\n", flags);
 135
 136     if (flags)
 137         return JOYERR_PARMS;
 138
 139     return JOYERR_NOERROR;
 140 }
 141
 142 /**************************************************************************
 143  *                              joyGetNumDevs           [WINMM.@]
 144  */
 145 UINT WINAPI DECLSPEC_HOTPATCH joyGetNumDevs(void)
 146 {
 147     UINT        ret = 0;
 148     int         i;
 149
 150     for (i = 0; i < MAXJOYSTICK; i++) {
 151         if (JOY_LoadDriver(i)) {
 152             ret += SendDriverMessage(JOY_Sticks[i].hDriver, JDD_GETNUMDEVS, 0, 0);
 153         }
 154     }
 155     return ret;
 156 }
 157
 158 /**************************************************************************
 159  *                              joyGetDevCapsW          [WINMM.@]
 160  */
 161 MMRESULT WINAPI DECLSPEC_HOTPATCH joyGetDevCapsW(UINT_PTR wID, LPJOYCAPSW lpCaps, UINT wSize)
 162 {
 163     if (wID >= MAXJOYSTICK)     return JOYERR_PARMS;
 164     if (!JOY_LoadDriver(wID))   return MMSYSERR_NODRIVER;
 165
 166     lpCaps->wPeriodMin = JOY_PERIOD_MIN; /* FIXME */
 167     lpCaps->wPeriodMax = JOY_PERIOD_MAX; /* FIXME (same as MS Joystick Driver) */
 168
 169     return SendDriverMessage(JOY_Sticks[wID].hDriver, JDD_GETDEVCAPS, (LPARAM)lpCaps, wSize);
 170 }
 171
 172 /**************************************************************************
 173  *                              joyGetDevCapsA          [WINMM.@]
 174  */
 175 MMRESULT WINAPI DECLSPEC_HOTPATCH joyGetDevCapsA(UINT_PTR wID, LPJOYCAPSA lpCaps, UINT wSize)
 176 {
 177     JOYCAPSW    jcw;
 178     MMRESULT    ret;
 179
 180     if (lpCaps == NULL) return MMSYSERR_INVALPARAM;
 181
 182     ret = joyGetDevCapsW(wID, &jcw, sizeof(jcw));
 183
 184     if (ret == JOYERR_NOERROR)
 185     {
 186         lpCaps->wMid = jcw.wMid;
 187         lpCaps->wPid = jcw.wPid;
 188         WideCharToMultiByte( CP_ACP, 0, jcw.szPname, -1, lpCaps->szPname,
 189                              sizeof(lpCaps->szPname), NULL, NULL );
 190         lpCaps->wXmin = jcw.wXmin;
 191         lpCaps->wXmax = jcw.wXmax;
 192         lpCaps->wYmin = jcw.wYmin;
 193         lpCaps->wYmax = jcw.wYmax;
 194         lpCaps->wZmin = jcw.wZmin;
 195         lpCaps->wZmax = jcw.wZmax;
 196         lpCaps->wNumButtons = jcw.wNumButtons;
 197         lpCaps->wPeriodMin = jcw.wPeriodMin;
 198         lpCaps->wPeriodMax = jcw.wPeriodMax;
 199
 200         if (wSize >= sizeof(JOYCAPSA)) { /* Win95 extensions ? */
 201             lpCaps->wRmin = jcw.wRmin;
 202             lpCaps->wRmax = jcw.wRmax;
 203             lpCaps->wUmin = jcw.wUmin;
 204             lpCaps->wUmax = jcw.wUmax;
 205             lpCaps->wVmin = jcw.wVmin;
 206             lpCaps->wVmax = jcw.wVmax;
 207             lpCaps->wCaps = jcw.wCaps;
 208             lpCaps->wMaxAxes = jcw.wMaxAxes;
 209             lpCaps->wNumAxes = jcw.wNumAxes;
 210             lpCaps->wMaxButtons = jcw.wMaxButtons;
 211             WideCharToMultiByte( CP_ACP, 0, jcw.szRegKey, -1, lpCaps->szRegKey,
 212                                  sizeof(lpCaps->szRegKey), NULL, NULL );
 213             WideCharToMultiByte( CP_ACP, 0, jcw.szOEMVxD, -1, lpCaps->szOEMVxD,
 214                                  sizeof(lpCaps->szOEMVxD), NULL, NULL );
 215         }
 216     }
 217
 218     return ret;
 219 }
 220
 221 /**************************************************************************
 222  *                              joyGetPosEx             [WINMM.@]
 223  */
 224 MMRESULT WINAPI DECLSPEC_HOTPATCH joyGetPosEx(UINT wID, LPJOYINFOEX lpInfo)
 225 {
 226     TRACE("(%d, %p);\n", wID, lpInfo);
 227
 228     if (!lpInfo) return MMSYSERR_INVALPARAM;
 229     if (wID >= MAXJOYSTICK || lpInfo->dwSize < sizeof(JOYINFOEX)) return JOYERR_PARMS;
 230     if (!JOY_LoadDriver(wID))   return MMSYSERR_NODRIVER;
 231
 232     lpInfo->dwXpos = 0;
 233     lpInfo->dwYpos = 0;
 234     lpInfo->dwZpos = 0;
 235     lpInfo->dwRpos = 0;
 236     lpInfo->dwUpos = 0;
 237     lpInfo->dwVpos = 0;
 238     lpInfo->dwButtons = 0;
 239     lpInfo->dwButtonNumber = 0;
 240     lpInfo->dwPOV = 0;
 241     lpInfo->dwReserved1 = 0;
 242     lpInfo->dwReserved2 = 0;
 243
 244     return SendDriverMessage(JOY_Sticks[wID].hDriver, JDD_GETPOSEX, (LPARAM)lpInfo, 0);
 245 }
 246
 247 /**************************************************************************
 248  *                              joyGetPos               [WINMM.@]
 249  */
 250 MMRESULT WINAPI joyGetPos(UINT wID, LPJOYINFO lpInfo)
 251 {
 252     TRACE("(%d, %p);\n", wID, lpInfo);
 253
 254     if (!lpInfo) return MMSYSERR_INVALPARAM;
 255     if (wID >= MAXJOYSTICK)     return JOYERR_PARMS;
 256     if (!JOY_LoadDriver(wID))   return MMSYSERR_NODRIVER;
 257
 258     lpInfo->wXpos = 0;
 259     lpInfo->wYpos = 0;
 260     lpInfo->wZpos = 0;
 261     lpInfo->wButtons = 0;
 262
 263     return SendDriverMessage(JOY_Sticks[wID].hDriver, JDD_GETPOS, (LPARAM)lpInfo, 0);
 264 }
 265
 266 /**************************************************************************
 267  *                              joyGetThreshold         [WINMM.@]
 268  */
 269 MMRESULT WINAPI joyGetThreshold(UINT wID, LPUINT lpThreshold)
 270 {
 271     TRACE("(%04X, %p);\n", wID, lpThreshold);
 272
 273     if (wID >= MAXJOYSTICK)     return JOYERR_PARMS;
 274
 275     *lpThreshold = JOY_Sticks[wID].threshold;
 276     return JOYERR_NOERROR;
 277 }
 278
 279 /**************************************************************************
 280  *                              joyReleaseCapture       [WINMM.@]
 281  */
 282 MMRESULT WINAPI joyReleaseCapture(UINT wID)
 283 {
 284     TRACE("(%04X);\n", wID);
 285
 286     if (wID >= MAXJOYSTICK)             return JOYERR_PARMS;
 287     if (!JOY_LoadDriver(wID))           return MMSYSERR_NODRIVER;
 288     if (JOY_Sticks[wID].hCapture)
 289     {
 290         KillTimer(JOY_Sticks[wID].hCapture, JOY_Sticks[wID].wTimer);
 291         JOY_Sticks[wID].hCapture = 0;
 292         JOY_Sticks[wID].wTimer = 0;
 293     }
 294     else
 295         TRACE("Joystick is not captured, ignoring request.\n");
 296
 297     return JOYERR_NOERROR;
 298 }
 299
 300 /**************************************************************************
 301  *                              joySetCapture           [WINMM.@]
 302  */
 303 MMRESULT WINAPI joySetCapture(HWND hWnd, UINT wID, UINT wPeriod, BOOL bChanged)
 304 {
 305     TRACE("(%p, %04X, %d, %d);\n",  hWnd, wID, wPeriod, bChanged);
 306
 307     if (wID >= MAXJOYSTICK || hWnd == 0) return JOYERR_PARMS;
 308     if (wPeriod<JOY_PERIOD_MIN) wPeriod = JOY_PERIOD_MIN;
 309     else if(wPeriod>JOY_PERIOD_MAX) wPeriod = JOY_PERIOD_MAX;
 310     if (!JOY_LoadDriver(wID)) return MMSYSERR_NODRIVER;
 311
 312     if (JOY_Sticks[wID].hCapture || !IsWindow(hWnd))
 313         return JOYERR_NOCANDO; /* FIXME: what should be returned ? */
 314
 315     if (joyGetPos(wID, &JOY_Sticks[wID].ji) != JOYERR_NOERROR)
 316         return JOYERR_UNPLUGGED;
 317
 318     if ((JOY_Sticks[wID].wTimer = SetTimer(hWnd, 0, wPeriod, JOY_Timer)) == 0)
 319         return JOYERR_NOCANDO;
 320
 321     JOY_Sticks[wID].hCapture = hWnd;
 322     JOY_Sticks[wID].bChanged = bChanged;
 323
 324     return JOYERR_NOERROR;
 325 }
 326
 327 /**************************************************************************
 328  *                              joySetThreshold         [WINMM.@]
 329  */
 330 MMRESULT WINAPI joySetThreshold(UINT wID, UINT wThreshold)
 331 {
 332     TRACE("(%04X, %d);\n", wID, wThreshold);
 333
 334     if (wID >= MAXJOYSTICK || wThreshold > 65535) return MMSYSERR_INVALPARAM;
 335
 336     JOY_Sticks[wID].threshold = wThreshold;
 337
 338     return JOYERR_NOERROR;
 339 }