dlls/msctf/msctf.c

   1 /*
   2  * MSCTF Server DLL
   3  *
   4  * Copyright 2008 Aric Stewart, CodeWeavers
   5  *
   6  * This library is free software; you can redistribute it and/or
   7  * modify it under the terms of the GNU Lesser General Public
   8  * License as published by the Free Software Foundation; either
   9  * version 2.1 of the License, or (at your option) any later version.
  10  *
  11  * This library is distributed in the hope that it will be useful,
  12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  14  * Lesser General Public License for more details.
  15  *
  16  * You should have received a copy of the GNU Lesser General Public
  17  * License along with this library; if not, write to the Free Software
  18  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
  19  */
  20
  21 #include "config.h"
  22
  23 #include <stdarg.h>
  24 #include <stdio.h>
  25
  26 #define COBJMACROS
  27
  28 #include "wine/debug.h"
  29 #include "wine/list.h"
  30 #include "windef.h"
  31 #include "winbase.h"
  32 #include "winreg.h"
  33 #include "shlwapi.h"
  34 #include "shlguid.h"
  35 #include "comcat.h"
  36 #include "initguid.h"
  37 #include "msctf.h"
  38
  39 #include "msctf_internal.h"
  40
  41 WINE_DEFAULT_DEBUG_CHANNEL(msctf);
  42
  43 static LONG MSCTF_refCount;
  44
  45 static HINSTANCE MSCTF_hinstance;
  46
  47 typedef struct
  48 {
  49     DWORD id;
  50     DWORD magic;
  51     LPVOID data;
  52 } CookieInternal;
  53
  54 typedef struct {
  55     TF_LANGUAGEPROFILE      LanguageProfile;
  56     ITfTextInputProcessor   *pITfTextInputProcessor;
  57     ITfThreadMgr            *pITfThreadMgr;
  58     ITfKeyEventSink         *pITfKeyEventSink;
  59     TfClientId              tid;
  60 } ActivatedTextService;
  61
  62 typedef struct
  63 {
  64     struct list entry;
  65     ActivatedTextService *ats;
  66 } AtsEntry;
  67
  68 static CookieInternal *cookies;
  69 static UINT id_last;
  70 static UINT array_size;
  71
  72 static struct list AtsList = LIST_INIT(AtsList);
  73 static UINT activated = 0;
  74
  75 DWORD tlsIndex = 0;
  76 TfClientId processId = 0;
  77 ITfCompartmentMgr *globalCompartmentMgr = NULL;
  78
  79 const WCHAR szwSystemTIPKey[] = {'S','O','F','T','W','A','R','E','\\','M','i','c','r','o','s','o','f','t','\\','C','T','F','\\','T','I','P',0};
  80
  81 typedef HRESULT (*LPFNCONSTRUCTOR)(IUnknown *pUnkOuter, IUnknown **ppvOut);
  82
  83 static const struct {
  84     REFCLSID clsid;
  85     LPFNCONSTRUCTOR ctor;
  86 } ClassesTable[] = {
  87     {&CLSID_TF_ThreadMgr, ThreadMgr_Constructor},
  88     {&CLSID_TF_InputProcessorProfiles, InputProcessorProfiles_Constructor},
  89     {&CLSID_TF_CategoryMgr, CategoryMgr_Constructor},
  90     {NULL, NULL}
  91 };
  92
  93 typedef struct tagClassFactory
  94 {
  95     const IClassFactoryVtbl *vtbl;
  96     LONG   ref;
  97     LPFNCONSTRUCTOR ctor;
  98 } ClassFactory;
  99
 100 static void ClassFactory_Destructor(ClassFactory *This)
 101 {
 102     TRACE("Destroying class factory %p\n", This);
 103     HeapFree(GetProcessHeap(),0,This);
 104     MSCTF_refCount--;
 105 }
 106
 107 static HRESULT WINAPI ClassFactory_QueryInterface(IClassFactory *iface, REFIID riid, LPVOID *ppvOut)
 108 {
 109     *ppvOut = NULL;
 110     if (IsEqualIID(riid, &IID_IClassFactory) || IsEqualIID(riid, &IID_IUnknown)) {
 111         IClassFactory_AddRef(iface);
 112         *ppvOut = iface;
 113         return S_OK;
 114     }
 115
 116     WARN("Unknown interface %s\n", debugstr_guid(riid));
 117     return E_NOINTERFACE;
 118 }
 119
 120 static ULONG WINAPI ClassFactory_AddRef(IClassFactory *iface)
 121 {
 122     ClassFactory *This = (ClassFactory *)iface;
 123     return InterlockedIncrement(&This->ref);
 124 }
 125
 126 static ULONG WINAPI ClassFactory_Release(IClassFactory *iface)
 127 {
 128     ClassFactory *This = (ClassFactory *)iface;
 129     ULONG ret = InterlockedDecrement(&This->ref);
 130
 131     if (ret == 0)
 132         ClassFactory_Destructor(This);
 133     return ret;
 134 }
 135
 136 static HRESULT WINAPI ClassFactory_CreateInstance(IClassFactory *iface, IUnknown *punkOuter, REFIID iid, LPVOID *ppvOut)
 137 {
 138     ClassFactory *This = (ClassFactory *)iface;
 139     HRESULT ret;
 140     IUnknown *obj;
 141
 142     TRACE("(%p, %p, %s, %p)\n", iface, punkOuter, debugstr_guid(iid), ppvOut);
 143     ret = This->ctor(punkOuter, &obj);
 144     if (FAILED(ret))
 145         return ret;
 146     ret = IUnknown_QueryInterface(obj, iid, ppvOut);
 147     IUnknown_Release(obj);
 148     return ret;
 149 }
 150
 151 static HRESULT WINAPI ClassFactory_LockServer(IClassFactory *iface, BOOL fLock)
 152 {
 153     ClassFactory *This = (ClassFactory *)iface;
 154
 155     TRACE("(%p)->(%x)\n", This, fLock);
 156
 157     if(fLock)
 158         InterlockedIncrement(&MSCTF_refCount);
 159     else
 160         InterlockedDecrement(&MSCTF_refCount);
 161
 162     return S_OK;
 163 }
 164
 165 static const IClassFactoryVtbl ClassFactoryVtbl = {
 166     /* IUnknown */
 167     ClassFactory_QueryInterface,
 168     ClassFactory_AddRef,
 169     ClassFactory_Release,
 170
 171     /* IClassFactory*/
 172     ClassFactory_CreateInstance,
 173     ClassFactory_LockServer
 174 };
 175
 176 static HRESULT ClassFactory_Constructor(LPFNCONSTRUCTOR ctor, LPVOID *ppvOut)
 177 {
 178     ClassFactory *This = HeapAlloc(GetProcessHeap(),0,sizeof(ClassFactory));
 179     This->vtbl = &ClassFactoryVtbl;
 180     This->ref = 1;
 181     This->ctor = ctor;
 182     *ppvOut = This;
 183     TRACE("Created class factory %p\n", This);
 184     MSCTF_refCount++;
 185     return S_OK;
 186 }
 187
 188 /*************************************************************************
 189  * DWORD Cookie Management
 190  */
 191 DWORD generate_Cookie(DWORD magic, LPVOID data)
 192 {
 193     int i;
 194
 195     /* try to reuse IDs if possible */
 196     for (i = 0; i < id_last; i++)
 197         if (cookies[i].id == 0) break;
 198
 199     if (i == array_size)
 200     {
 201         if (!array_size)
 202         {
 203             cookies = HeapAlloc(GetProcessHeap(),HEAP_ZERO_MEMORY,sizeof(CookieInternal) * 10);
 204             if (!cookies)
 205             {
 206                 ERR("Out of memory, Unable to alloc cookies array\n");
 207                 return 0;
 208             }
 209             array_size = 10;
 210         }
 211         else
 212         {
 213             CookieInternal *new_cookies = HeapReAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, cookies,
 214                                                       sizeof(CookieInternal) * (array_size * 2));
 215             if (!new_cookies)
 216             {
 217                 ERR("Out of memory, Unable to realloc cookies array\n");
 218                 return 0;
 219             }
 220             cookies = new_cookies;
 221             array_size *= 2;
 222         }
 223     }
 224
 225     cookies[i].id = i + 1; /* a return of 0 is used for failure */
 226     cookies[i].magic = magic;
 227     cookies[i].data = data;
 228
 229     if (i == id_last)
 230         id_last++;
 231
 232     return cookies[i].id;
 233 }
 234
 235 DWORD get_Cookie_magic(DWORD id)
 236 {
 237     UINT index = id - 1;
 238
 239     if (index >= id_last)
 240         return 0;
 241
 242     if (cookies[index].id == 0)
 243         return 0;
 244
 245     return cookies[index].magic;
 246 }
 247
 248 LPVOID get_Cookie_data(DWORD id)
 249 {
 250     UINT index = id - 1;
 251
 252     if (index >= id_last)
 253         return NULL;
 254
 255     if (cookies[index].id == 0)
 256         return NULL;
 257
 258     return cookies[index].data;
 259 }
 260
 261 LPVOID remove_Cookie(DWORD id)
 262 {
 263     UINT index = id - 1;
 264
 265     if (index >= id_last)
 266         return NULL;
 267
 268     if (cookies[index].id == 0)
 269         return NULL;
 270
 271     cookies[index].id = 0;
 272     return cookies[index].data;
 273 }
 274
 275 DWORD enumerate_Cookie(DWORD magic, DWORD *index)
 276 {
 277     int i;
 278     for (i = *index; i < id_last; i++)
 279         if (cookies[i].id != 0 && cookies[i].magic == magic)
 280         {
 281             *index = (i+1);
 282             return cookies[i].id;
 283         }
 284     return 0x0;
 285 }
 286
 287 /*****************************************************************************
 288  * Active Text Service Management
 289  *****************************************************************************/
 290 static HRESULT activate_given_ts(ActivatedTextService *actsvr, ITfThreadMgr* tm)
 291 {
 292     HRESULT hr;
 293
 294     /* Already Active? */
 295     if (actsvr->pITfTextInputProcessor)
 296         return S_OK;
 297
 298     hr = CoCreateInstance (&actsvr->LanguageProfile.clsid, NULL, CLSCTX_INPROC_SERVER,
 299         &IID_ITfTextInputProcessor, (void**)&actsvr->pITfTextInputProcessor);
 300     if (FAILED(hr)) return hr;
 301
 302     hr = ITfTextInputProcessor_Activate(actsvr->pITfTextInputProcessor, tm, actsvr->tid);
 303     if (FAILED(hr))
 304     {
 305         ITfTextInputProcessor_Release(actsvr->pITfTextInputProcessor);
 306         actsvr->pITfTextInputProcessor = NULL;
 307         return hr;
 308     }
 309
 310     actsvr->pITfThreadMgr = tm;
 311     ITfThreadMgr_AddRef(tm);
 312     return hr;
 313 }
 314
 315 static HRESULT deactivate_given_ts(ActivatedTextService *actsvr)
 316 {
 317     HRESULT hr = S_OK;
 318
 319     if (actsvr->pITfTextInputProcessor)
 320     {
 321         hr = ITfTextInputProcessor_Deactivate(actsvr->pITfTextInputProcessor);
 322         ITfTextInputProcessor_Release(actsvr->pITfTextInputProcessor);
 323         ITfThreadMgr_Release(actsvr->pITfThreadMgr);
 324         actsvr->pITfTextInputProcessor = NULL;
 325         actsvr->pITfThreadMgr = NULL;
 326     }
 327
 328     return hr;
 329 }
 330
 331 static void deactivate_remove_conflicting_ts(REFCLSID catid)
 332 {
 333     AtsEntry *ats, *cursor2;
 334
 335     LIST_FOR_EACH_ENTRY_SAFE(ats, cursor2, &AtsList, AtsEntry, entry)
 336     {
 337         if (IsEqualCLSID(catid,&ats->ats->LanguageProfile.catid))
 338         {
 339             deactivate_given_ts(ats->ats);
 340             list_remove(&ats->entry);
 341             HeapFree(GetProcessHeap(),0,ats->ats);
 342             HeapFree(GetProcessHeap(),0,ats);
 343             /* we are guarenteeing there is only 1 */
 344             break;
 345         }
 346     }
 347 }
 348
 349 HRESULT add_active_textservice(TF_LANGUAGEPROFILE *lp)
 350 {
 351     ActivatedTextService *actsvr;
 352     ITfCategoryMgr *catmgr;
 353     AtsEntry *entry;
 354     ITfThreadMgr *tm = (ITfThreadMgr*)TlsGetValue(tlsIndex);
 355     ITfClientId *clientid;
 356
 357     if (!tm) return E_UNEXPECTED;
 358
 359     actsvr = HeapAlloc(GetProcessHeap(),0,sizeof(ActivatedTextService));
 360     if (!actsvr) return E_OUTOFMEMORY;
 361
 362     ITfThreadMgr_QueryInterface(tm,&IID_ITfClientId,(LPVOID)&clientid);
 363     ITfClientId_GetClientId(clientid, &lp->clsid, &actsvr->tid);
 364     ITfClientId_Release(clientid);
 365
 366     if (!actsvr->tid)
 367     {
 368         HeapFree(GetProcessHeap(),0,actsvr);
 369         return E_OUTOFMEMORY;
 370     }
 371
 372     actsvr->pITfTextInputProcessor = NULL;
 373     actsvr->LanguageProfile = *lp;
 374     actsvr->LanguageProfile.fActive = TRUE;
 375     actsvr->pITfKeyEventSink = NULL;
 376
 377     /* get TIP category */
 378     if (SUCCEEDED(CategoryMgr_Constructor(NULL,(IUnknown**)&catmgr)))
 379     {
 380         static const GUID *list[3] = {&GUID_TFCAT_TIP_SPEECH, &GUID_TFCAT_TIP_KEYBOARD, &GUID_TFCAT_TIP_HANDWRITING};
 381
 382         ITfCategoryMgr_FindClosestCategory(catmgr,
 383                 &actsvr->LanguageProfile.clsid, &actsvr->LanguageProfile.catid,
 384                 list, 3);
 385
 386         ITfCategoryMgr_Release(catmgr);
 387     }
 388     else
 389     {
 390         ERR("CategoryMgr construction failed\n");
 391         actsvr->LanguageProfile.catid = GUID_NULL;
 392     }
 393
 394     if (!IsEqualGUID(&actsvr->LanguageProfile.catid,&GUID_NULL))
 395         deactivate_remove_conflicting_ts(&actsvr->LanguageProfile.catid);
 396
 397     if (activated > 0)
 398         activate_given_ts(actsvr, tm);
 399
 400     entry = HeapAlloc(GetProcessHeap(),0,sizeof(AtsEntry));
 401
 402     if (!entry)
 403     {
 404         HeapFree(GetProcessHeap(),0,actsvr);
 405         return E_OUTOFMEMORY;
 406     }
 407
 408     entry->ats = actsvr;
 409     list_add_head(&AtsList, &entry->entry);
 410
 411     return S_OK;
 412 }
 413
 414 BOOL get_active_textservice(REFCLSID rclsid, TF_LANGUAGEPROFILE *profile)
 415 {
 416     AtsEntry *ats;
 417
 418     LIST_FOR_EACH_ENTRY(ats, &AtsList, AtsEntry, entry)
 419     {
 420         if (IsEqualCLSID(rclsid,&ats->ats->LanguageProfile.clsid))
 421         {
 422             if (profile)
 423                 *profile = ats->ats->LanguageProfile;
 424             return TRUE;
 425         }
 426     }
 427     return FALSE;
 428 }
 429
 430 HRESULT activate_textservices(ITfThreadMgr *tm)
 431 {
 432     HRESULT hr = S_OK;
 433     AtsEntry *ats;
 434
 435     activated ++;
 436     if (activated > 1)
 437         return S_OK;
 438
 439     LIST_FOR_EACH_ENTRY(ats, &AtsList, AtsEntry, entry)
 440     {
 441         hr = activate_given_ts(ats->ats, tm);
 442         if (FAILED(hr))
 443             FIXME("Failed to activate text service\n");
 444     }
 445     return hr;
 446 }
 447
 448 HRESULT deactivate_textservices(void)
 449 {
 450     AtsEntry *ats;
 451
 452     if (activated > 0)
 453         activated --;
 454
 455     if (activated == 0)
 456         LIST_FOR_EACH_ENTRY(ats, &AtsList, AtsEntry, entry)
 457             deactivate_given_ts(ats->ats);
 458
 459     return S_OK;
 460 }
 461
 462 CLSID get_textservice_clsid(TfClientId tid)
 463 {
 464     AtsEntry *ats;
 465
 466     LIST_FOR_EACH_ENTRY(ats, &AtsList, AtsEntry, entry)
 467         if (ats->ats->tid == tid)
 468             return ats->ats->LanguageProfile.clsid;
 469     return GUID_NULL;
 470 }
 471
 472 HRESULT get_textservice_sink(TfClientId tid, REFCLSID iid, IUnknown **sink)
 473 {
 474     AtsEntry *ats;
 475
 476     if (!IsEqualCLSID(iid,&IID_ITfKeyEventSink))
 477         return E_NOINTERFACE;
 478
 479     LIST_FOR_EACH_ENTRY(ats, &AtsList, AtsEntry, entry)
 480         if (ats->ats->tid == tid)
 481         {
 482             *sink = (IUnknown*)ats->ats->pITfKeyEventSink;
 483             return S_OK;
 484         }
 485
 486     return E_FAIL;
 487 }
 488
 489 HRESULT set_textservice_sink(TfClientId tid, REFCLSID iid, IUnknown* sink)
 490 {
 491     AtsEntry *ats;
 492
 493     if (!IsEqualCLSID(iid,&IID_ITfKeyEventSink))
 494         return E_NOINTERFACE;
 495
 496     LIST_FOR_EACH_ENTRY(ats, &AtsList, AtsEntry, entry)
 497         if (ats->ats->tid == tid)
 498         {
 499             ats->ats->pITfKeyEventSink = (ITfKeyEventSink*)sink;
 500             return S_OK;
 501         }
 502
 503     return E_FAIL;
 504 }
 505
 506 /*************************************************************************
 507  * MSCTF DllMain
 508  */
 509 BOOL WINAPI DllMain(HINSTANCE hinst, DWORD fdwReason, LPVOID fImpLoad)
 510 {
 511     TRACE("%p 0x%x %p\n", hinst, fdwReason, fImpLoad);
 512     switch (fdwReason)
 513     {
 514         case DLL_WINE_PREATTACH:
 515             return FALSE;   /* prefer native version */
 516         case DLL_PROCESS_ATTACH:
 517             MSCTF_hinstance = hinst;
 518             tlsIndex = TlsAlloc();
 519             break;
 520         case DLL_PROCESS_DETACH:
 521             TlsFree(tlsIndex);
 522             break;
 523     }
 524     return TRUE;
 525 }
 526
 527 /*************************************************************************
 528  *              DllCanUnloadNow (MSCTF.@)
 529  */
 530 HRESULT WINAPI DllCanUnloadNow(void)
 531 {
 532     return MSCTF_refCount ? S_FALSE : S_OK;
 533 }
 534
 535 /***********************************************************************
 536  *              DllGetClassObject (MSCTF.@)
 537  */
 538 HRESULT WINAPI DllGetClassObject(REFCLSID clsid, REFIID iid, LPVOID *ppvOut)
 539 {
 540     int i;
 541
 542     *ppvOut = NULL;
 543     if (!IsEqualIID(iid, &IID_IUnknown) && !IsEqualIID(iid, &IID_IClassFactory))
 544         return E_NOINTERFACE;
 545
 546     for (i = 0; ClassesTable[i].clsid != NULL; i++)
 547         if (IsEqualCLSID(ClassesTable[i].clsid, clsid)) {
 548             return ClassFactory_Constructor(ClassesTable[i].ctor, ppvOut);
 549         }
 550     FIXME("CLSID %s not supported\n", debugstr_guid(clsid));
 551     return CLASS_E_CLASSNOTAVAILABLE;
 552 }
 553
 554 /***********************************************************************
 555  *              TF_CreateThreadMgr (MSCTF.@)
 556  */
 557 HRESULT WINAPI TF_CreateThreadMgr(ITfThreadMgr **pptim)
 558 {
 559     TRACE("\n");
 560     return ThreadMgr_Constructor(NULL,(IUnknown**)pptim);
 561 }
 562
 563 /***********************************************************************
 564  *              TF_GetThreadMgr (MSCTF.@)
 565  */
 566 HRESULT WINAPI TF_GetThreadMgr(ITfThreadMgr **pptim)
 567 {
 568     TRACE("\n");
 569     *pptim = TlsGetValue(tlsIndex);
 570
 571     if (*pptim)
 572         ITfThreadMgr_AddRef(*pptim);
 573
 574     return S_OK;
 575 }
 576
 577 /***********************************************************************
 578  *              SetInputScope(MSCTF.@)
 579  */
 580 HRESULT WINAPI SetInputScope(HWND hwnd, INT inputscope)
 581 {
 582     FIXME("STUB: %p %i\n",hwnd,inputscope);
 583     return S_OK;
 584 }
 585
 586 /***********************************************************************
 587  *              SetInputScopes(MSCTF.@)
 588  */
 589 HRESULT WINAPI SetInputScopes(HWND hwnd, const INT *pInputScopes,
 590                               UINT cInputScopes, WCHAR **ppszPhraseList,
 591                               UINT cPhrases, WCHAR *pszRegExp, WCHAR *pszSRGS)
 592 {
 593     int i;
 594     FIXME("STUB: %p ... %s %s\n",hwnd, debugstr_w(pszRegExp), debugstr_w(pszSRGS));
 595     for (i = 0; i < cInputScopes; i++)
 596         TRACE("\tScope[%i] = %i\n",i,pInputScopes[i]);
 597     for (i = 0; i < cPhrases; i++)
 598         TRACE("\tPhrase[%i] = %s\n",i,debugstr_w(ppszPhraseList[i]));
 599
 600     return S_OK;
 601 }