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   1 /*              DirectInput
   2  *
   3  * Copyright 1998 Marcus Meissner
   4  * Copyright 1998,1999 Lionel Ulmer
   5  *
   6  *
   7  * This library is free software; you can redistribute it and/or
   8  * modify it under the terms of the GNU Lesser General Public
   9  * License as published by the Free Software Foundation; either
  10  * version 2.1 of the License, or (at your option) any later version.
  11  *
  12  * This library is distributed in the hope that it will be useful,
  13  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  14  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  15  * Lesser General Public License for more details.
  16  *
  17  * You should have received a copy of the GNU Lesser General Public
  18  * License along with this library; if not, write to the Free Software
  19  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
  20  */
  21 /* Status:
  22  *
  23  * - Tomb Raider 2 Demo:
  24  *   Playable using keyboard only.
  25  * - WingCommander Prophecy Demo:
  26  *   Doesn't get Input Focus.
  27  *
  28  * - Fallout : works great in X and DGA mode
  29  *
  30  * FIXME: The keyboard handling needs to (and will) be merged into keyboard.c
  31  *        (The current implementation is currently only a proof of concept and
  32  *         an utter mess.)
  33  */
  34
  35 #include "config.h"
  36 #include <assert.h>
  37 #include <string.h>
  38
  39 #include "wine/debug.h"
  40 #include "winbase.h"
  41 #include "winerror.h"
  42 #include "windef.h"
  43 #include "dinput_private.h"
  44
  45 WINE_DEFAULT_DEBUG_CHANNEL(dinput);
  46
  47 static ICOM_VTABLE(IDirectInputA) ddiavt;
  48 static ICOM_VTABLE(IDirectInput7A) ddi7avt;
  49
  50 /* This array will be filled a dinput.so loading */
  51 #define MAX_WINE_DINPUT_DEVICES 4
  52 static dinput_device * dinput_devices[MAX_WINE_DINPUT_DEVICES];
  53 static int nrof_dinput_devices = 0;
  54
  55 /* register a direct draw driver. We better not use malloc for we are in
  56  * the ELF startup initialisation at this point.
  57  */
  58 void dinput_register_device(dinput_device *device) {
  59     int i;
  60
  61     /* insert according to priority */
  62     for (i=0;i<nrof_dinput_devices;i++) {
  63         if (dinput_devices[i]->pref <= device->pref) {
  64             memcpy(dinput_devices+i+1,dinput_devices+i,sizeof(dinput_devices[0])*(nrof_dinput_devices-i));
  65             dinput_devices[i] = device;
  66             break;
  67         }
  68     }
  69     if (i==nrof_dinput_devices) /* not found, or too low priority */
  70         dinput_devices[nrof_dinput_devices] = device;
  71
  72     nrof_dinput_devices++;
  73
  74     /* increase MAX_DDRAW_DRIVERS if the line below triggers */
  75     assert(nrof_dinput_devices <= MAX_WINE_DINPUT_DEVICES);
  76 }
  77
  78 /******************************************************************************
  79  *      DirectInputCreateEx (DINPUT.@)
  80  */
  81 HRESULT WINAPI DirectInputCreateEx(
  82         HINSTANCE hinst, DWORD dwVersion, REFIID riid, LPVOID *ppDI,
  83         LPUNKNOWN punkOuter
  84 ) {
  85         IDirectInputAImpl* This;
  86
  87         TRACE("(0x%08lx,%04lx,%s,%p,%p)\n",
  88                 (DWORD)hinst,dwVersion,debugstr_guid(riid),ppDI,punkOuter
  89         );
  90         if (IsEqualGUID(&IID_IDirectInputA,riid)) {
  91           This = (IDirectInputAImpl*)HeapAlloc(GetProcessHeap(),0,sizeof(IDirectInputAImpl));
  92           This->ref = 1;
  93           ICOM_VTBL(This) = &ddiavt;
  94           *ppDI = This;
  95
  96           return DI_OK;
  97         }
  98
  99         if (IsEqualGUID(&IID_IDirectInput7A,riid)) {
 100           This = (IDirectInputAImpl*)HeapAlloc(GetProcessHeap(),0,sizeof(IDirectInputAImpl));
 101           This->ref = 1;
 102           ICOM_VTBL(This) = (ICOM_VTABLE(IDirectInputA) *) &ddi7avt;
 103           *ppDI = This;
 104
 105           return DI_OK;
 106         }
 107
 108         return DIERR_OLDDIRECTINPUTVERSION;
 109 }
 110
 111 /******************************************************************************
 112  *      DirectInputCreateA (DINPUT.@)
 113  */
 114 HRESULT WINAPI DirectInputCreateA(HINSTANCE hinst, DWORD dwVersion, LPDIRECTINPUTA *ppDI, LPUNKNOWN punkOuter)
 115 {
 116         IDirectInputAImpl* This;
 117         TRACE("(0x%08lx,%04lx,%p,%p)\n",
 118                 (DWORD)hinst,dwVersion,ppDI,punkOuter
 119         );
 120         This = (IDirectInputAImpl*)HeapAlloc(GetProcessHeap(),0,sizeof(IDirectInputAImpl));
 121         This->ref = 1;
 122         ICOM_VTBL(This) = &ddiavt;
 123         *ppDI=(IDirectInputA*)This;
 124         return 0;
 125 }
 126 /******************************************************************************
 127  *      IDirectInputA_EnumDevices
 128  */
 129 static HRESULT WINAPI IDirectInputAImpl_EnumDevices(
 130         LPDIRECTINPUT7A iface, DWORD dwDevType, LPDIENUMDEVICESCALLBACKA lpCallback,
 131         LPVOID pvRef, DWORD dwFlags
 132 )
 133 {
 134         ICOM_THIS(IDirectInputAImpl,iface);
 135         DIDEVICEINSTANCEA devInstance;
 136         int i;
 137
 138         TRACE("(this=%p,0x%04lx,%p,%p,%04lx)\n", This, dwDevType, lpCallback, pvRef, dwFlags);
 139
 140         for (i = 0; i < nrof_dinput_devices; i++) {
 141           if (dinput_devices[i]->enum_device(dwDevType, dwFlags, &devInstance)) {
 142             if (lpCallback(&devInstance,pvRef) == DIENUM_STOP)
 143               return 0;
 144           }
 145         }
 146
 147         return 0;
 148 }
 149
 150 static ULONG WINAPI IDirectInputAImpl_AddRef(LPDIRECTINPUT7A iface)
 151 {
 152         ICOM_THIS(IDirectInputAImpl,iface);
 153         return ++(This->ref);
 154 }
 155
 156 static ULONG WINAPI IDirectInputAImpl_Release(LPDIRECTINPUT7A iface)
 157 {
 158         ICOM_THIS(IDirectInputAImpl,iface);
 159         if (!(--This->ref)) {
 160                 HeapFree(GetProcessHeap(),0,This);
 161                 return 0;
 162         }
 163         return This->ref;
 164 }
 165
 166 static HRESULT WINAPI IDirectInputAImpl_CreateDevice(
 167         LPDIRECTINPUT7A iface,REFGUID rguid,LPDIRECTINPUTDEVICEA* pdev,
 168         LPUNKNOWN punk
 169 ) {
 170         ICOM_THIS(IDirectInputAImpl,iface);
 171         HRESULT ret_value = DIERR_DEVICENOTREG;
 172         int i;
 173
 174         TRACE("(this=%p,%s,%p,%p)\n",This,debugstr_guid(rguid),pdev,punk);
 175
 176         /* Loop on all the devices to see if anyone matches the given GUID */
 177         for (i = 0; i < nrof_dinput_devices; i++) {
 178           HRESULT ret;
 179           if ((ret = dinput_devices[i]->create_device(This, rguid, NULL, pdev)) == DI_OK)
 180             return DI_OK;
 181
 182           if (ret == DIERR_NOINTERFACE)
 183             ret_value = DIERR_NOINTERFACE;
 184         }
 185
 186         return ret_value;
 187 }
 188
 189 static HRESULT WINAPI IDirectInputAImpl_QueryInterface(
 190         LPDIRECTINPUT7A iface,REFIID riid,LPVOID *ppobj
 191 ) {
 192         ICOM_THIS(IDirectInputAImpl,iface);
 193
 194         TRACE("(this=%p,%s,%p)\n",This,debugstr_guid(riid),ppobj);
 195         if (IsEqualGUID(&IID_IUnknown,riid)) {
 196                 IDirectInputA_AddRef(iface);
 197                 *ppobj = This;
 198                 return 0;
 199         }
 200         if (IsEqualGUID(&IID_IDirectInputA,riid)) {
 201                 IDirectInputA_AddRef(iface);
 202                 *ppobj = This;
 203                 return 0;
 204         }
 205         TRACE("Unsupported interface !\n");
 206         return E_FAIL;
 207 }
 208
 209 static HRESULT WINAPI IDirectInputAImpl_Initialize(
 210         LPDIRECTINPUT7A iface,HINSTANCE hinst,DWORD x
 211 ) {
 212         return DIERR_ALREADYINITIALIZED;
 213 }
 214
 215 static HRESULT WINAPI IDirectInputAImpl_GetDeviceStatus(LPDIRECTINPUT7A iface,
 216                                                         REFGUID rguid) {
 217   ICOM_THIS(IDirectInputAImpl,iface);
 218
 219   FIXME("(%p)->(%s): stub\n",This,debugstr_guid(rguid));
 220
 221   return DI_OK;
 222 }
 223
 224 static HRESULT WINAPI IDirectInputAImpl_RunControlPanel(LPDIRECTINPUT7A iface,
 225                                                         HWND hwndOwner,
 226                                                         DWORD dwFlags) {
 227   ICOM_THIS(IDirectInputAImpl,iface);
 228   FIXME("(%p)->(%08lx,%08lx): stub\n",This, (DWORD) hwndOwner, dwFlags);
 229
 230   return DI_OK;
 231 }
 232
 233 static HRESULT WINAPI IDirectInput2AImpl_FindDevice(LPDIRECTINPUT2A iface, REFGUID rguid,
 234                                                     LPCSTR pszName, LPGUID pguidInstance) {
 235   ICOM_THIS(IDirectInputAImpl,iface);
 236   FIXME("(%p)->(%s, %s, %p): stub\n", This, debugstr_guid(rguid), pszName, pguidInstance);
 237
 238   return DI_OK;
 239 }
 240
 241 static HRESULT WINAPI IDirectInput7AImpl_CreateDeviceEx(LPDIRECTINPUT7A iface, REFGUID rguid,
 242                                                         REFIID riid, LPVOID* pvOut, LPUNKNOWN lpUnknownOuter)
 243 {
 244   ICOM_THIS(IDirectInputAImpl,iface);
 245   HRESULT ret_value = DIERR_DEVICENOTREG;
 246   int i;
 247
 248   TRACE("(%p)->(%s, %s, %p, %p)\n", This, debugstr_guid(rguid), debugstr_guid(riid), pvOut, lpUnknownOuter);
 249
 250   /* Loop on all the devices to see if anyone matches the given GUID */
 251   for (i = 0; i < nrof_dinput_devices; i++) {
 252     HRESULT ret;
 253     if ((ret = dinput_devices[i]->create_device(This, rguid, riid, (LPDIRECTINPUTDEVICEA*) pvOut)) == DI_OK)
 254       return DI_OK;
 255
 256     if (ret == DIERR_NOINTERFACE)
 257       ret_value = DIERR_NOINTERFACE;
 258   }
 259
 260   return ret_value;
 261 }
 262
 263 #if !defined(__STRICT_ANSI__) && defined(__GNUC__)
 264 # define XCAST(fun)     (typeof(ddiavt.fun))
 265 #else
 266 # define XCAST(fun)     (void*)
 267 #endif
 268
 269 static ICOM_VTABLE(IDirectInputA) ddiavt =
 270 {
 271         ICOM_MSVTABLE_COMPAT_DummyRTTIVALUE
 272         XCAST(QueryInterface)IDirectInputAImpl_QueryInterface,
 273         XCAST(AddRef)IDirectInputAImpl_AddRef,
 274         XCAST(Release)IDirectInputAImpl_Release,
 275         XCAST(CreateDevice)IDirectInputAImpl_CreateDevice,
 276         XCAST(EnumDevices)IDirectInputAImpl_EnumDevices,
 277         XCAST(GetDeviceStatus)IDirectInputAImpl_GetDeviceStatus,
 278         XCAST(RunControlPanel)IDirectInputAImpl_RunControlPanel,
 279         XCAST(Initialize)IDirectInputAImpl_Initialize
 280 };
 281 #undef XCAST
 282
 283 #if !defined(__STRICT_ANSI__) && defined(__GNUC__)
 284 # define XCAST(fun)     (typeof(ddi7avt.fun))
 285 #else
 286 # define XCAST(fun)     (void*)
 287 #endif
 288
 289 static ICOM_VTABLE(IDirectInput7A) ddi7avt = {
 290         ICOM_MSVTABLE_COMPAT_DummyRTTIVALUE
 291         XCAST(QueryInterface)IDirectInputAImpl_QueryInterface,
 292         XCAST(AddRef)IDirectInputAImpl_AddRef,
 293         XCAST(Release)IDirectInputAImpl_Release,
 294         XCAST(CreateDevice)IDirectInputAImpl_CreateDevice,
 295         XCAST(EnumDevices)IDirectInputAImpl_EnumDevices,
 296         XCAST(GetDeviceStatus)IDirectInputAImpl_GetDeviceStatus,
 297         XCAST(RunControlPanel)IDirectInputAImpl_RunControlPanel,
 298         XCAST(Initialize)IDirectInputAImpl_Initialize,
 299         XCAST(FindDevice)IDirectInput2AImpl_FindDevice,
 300         IDirectInput7AImpl_CreateDeviceEx
 301 };
 302 #undef XCAST
 303
 304 /***********************************************************************
 305  *              DllCanUnloadNow (DINPUT.@)
 306  */
 307 HRESULT WINAPI DINPUT_DllCanUnloadNow(void)
 308 {
 309     FIXME("(void): stub\n");
 310
 311     return S_FALSE;
 312 }
 313
 314 /***********************************************************************
 315  *              DllGetClassObject (DINPUT.@)
 316  */
 317 HRESULT WINAPI DINPUT_DllGetClassObject(REFCLSID rclsid, REFIID riid,
 318                                         LPVOID *ppv)
 319 {
 320     FIXME("(%p, %p, %p): stub\n", debugstr_guid(rclsid),
 321           debugstr_guid(riid), ppv);
 322
 323     return CLASS_E_CLASSNOTAVAILABLE;
 324 }
 325
 326 /***********************************************************************
 327  *              DllRegisterServer (DINPUT.@)
 328  */
 329 HRESULT WINAPI DINPUT_DllRegisterServer(void)
 330 {
 331     FIXME("(void): stub\n");
 332
 333     return S_OK;
 334 }
 335
 336 /***********************************************************************
 337  *              DllUnregisterServer (DINPUT.@)
 338  */
 339 HRESULT WINAPI DINPUT_DllUnregisterServer(void)
 340 {
 341     FIXME("(void): stub\n");
 342
 343     return S_OK;
 344 }