dlls/riched20/tests/txtsrv.c

   1 /*
   2  * Unit test suite for windowless rich edit controls
   3  *
   4  * Copyright 2008 Maarten Lankhorst
   5  * Copyright 2008 Austin Lund
   6  * Copyright 2008 Dylan Smith
   7  *
   8  * This library is free software; you can redistribute it and/or
   9  * modify it under the terms of the GNU Lesser General Public
  10  * License as published by the Free Software Foundation; either
  11  * version 2.1 of the License, or (at your option) any later version.
  12  *
  13  * This library is distributed in the hope that it will be useful,
  14  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  15  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  16  * Lesser General Public License for more details.
  17  *
  18  * You should have received a copy of the GNU Lesser General Public
  19  * License along with this library; if not, write to the Free Software
  20  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
  21  */
  22
  23 #define COBJMACROS
  24
  25 #include <stdio.h>
  26 #include <stdarg.h>
  27 #include <windef.h>
  28 #include <winbase.h>
  29 #include <objbase.h>
  30 #include <richedit.h>
  31 #include <initguid.h>
  32 #include <textserv.h>
  33 #include <wine/test.h>
  34 #include <oleauto.h>
  35 #include <limits.h>
  36
  37 static HMODULE hmoduleRichEdit;
  38 static IID *pIID_ITextServices;
  39 static IID *pIID_ITextHost;
  40 static IID *pIID_ITextHost2;
  41
  42 static const char *debugstr_guid(REFIID riid)
  43 {
  44     static char buf[50];
  45
  46     if(!riid)
  47         return "(null)";
  48
  49     sprintf(buf, "{%08X-%04X-%04X-%02X%02X-%02X%02X%02X%02X%02X%02X}",
  50             riid->Data1, riid->Data2, riid->Data3, riid->Data4[0],
  51             riid->Data4[1], riid->Data4[2], riid->Data4[3], riid->Data4[4],
  52             riid->Data4[5], riid->Data4[6], riid->Data4[7]);
  53
  54     return buf;
  55 }
  56
  57 /* Define C Macros for ITextServices calls. */
  58
  59 /* Use a special table for x86 machines to convert the thiscall
  60  * calling convention.  This isn't needed on other platforms. */
  61 #ifdef __i386__
  62 static ITextServicesVtbl itextServicesStdcallVtbl;
  63 #define TXTSERV_VTABLE(This) (&itextServicesStdcallVtbl)
  64 #else /* __i386__ */
  65 #define TXTSERV_VTABLE(This) (This)->lpVtbl
  66 #endif /* __i386__ */
  67
  68 #define ITextServices_TxSendMessage(This,a,b,c,d) TXTSERV_VTABLE(This)->TxSendMessage(This,a,b,c,d)
  69 #define ITextServices_TxDraw(This,a,b,c,d,e,f,g,h,i,j,k,l) TXTSERV_VTABLE(This)->TxDraw(This,a,b,c,d,e,f,g,h,i,j,k,l)
  70 #define ITextServices_TxGetHScroll(This,a,b,c,d,e) TXTSERV_VTABLE(This)->TxGetHScroll(This,a,b,c,d,e)
  71 #define ITextServices_TxGetVScroll(This,a,b,c,d,e) TXTSERV_VTABLE(This)->TxGetVScroll(This,a,b,c,d,e)
  72 #define ITextServices_OnTxSetCursor(This,a,b,c,d,e,f,g,h,i) TXTSERV_VTABLE(This)->OnTxSetCursor(This,a,b,c,d,e,f,g,h,i)
  73 #define ITextServices_TxQueryHitPoint(This,a,b,c,d,e,f,g,h,i,j) TXTSERV_VTABLE(This)->TxQueryHitPoint(This,a,b,c,d,e,f,g,h,i,j)
  74 #define ITextServices_OnTxInplaceActivate(This,a) TXTSERV_VTABLE(This)->OnTxInplaceActivate(This,a)
  75 #define ITextServices_OnTxInplaceDeactivate(This) TXTSERV_VTABLE(This)->OnTxInplaceDeactivate(This)
  76 #define ITextServices_OnTxUIActivate(This) TXTSERV_VTABLE(This)->OnTxUIActivate(This)
  77 #define ITextServices_OnTxUIDeactivate(This) TXTSERV_VTABLE(This)->OnTxUIDeactivate(This)
  78 #define ITextServices_TxGetText(This,a) TXTSERV_VTABLE(This)->TxGetText(This,a)
  79 #define ITextServices_TxSetText(This,a) TXTSERV_VTABLE(This)->TxSetText(This,a)
  80 #define ITextServices_TxGetCurrentTargetX(This,a) TXTSERV_VTABLE(This)->TxGetCurrentTargetX(This,a)
  81 #define ITextServices_TxGetBaseLinePos(This,a) TXTSERV_VTABLE(This)->TxGetBaseLinePos(This,a)
  82 #define ITextServices_TxGetNaturalSize(This,a,b,c,d,e,f,g,h) TXTSERV_VTABLE(This)->TxGetNaturalSize(This,a,b,c,d,e,f,g,h)
  83 #define ITextServices_TxGetDropTarget(This,a) TXTSERV_VTABLE(This)->TxGetDropTarget(This,a)
  84 #define ITextServices_OnTxPropertyBitsChange(This,a,b) TXTSERV_VTABLE(This)->OnTxPropertyBitsChange(This,a,b)
  85 #define ITextServices_TxGetCachedSize(This,a,b) TXTSERV_VTABLE(This)->TxGetCachedSize(This,a,b)
  86
  87 /* Set the WINETEST_DEBUG environment variable to be greater than 1 for verbose
  88  * function call traces of ITextHost. */
  89 #define TRACECALL if(winetest_debug > 1) trace
  90
  91 /************************************************************************/
  92 /* ITextHost implementation for conformance testing. */
  93
  94 typedef struct ITextHostTestImpl
  95 {
  96     ITextHost ITextHost_iface;
  97     LONG refCount;
  98 } ITextHostTestImpl;
  99
 100 static inline ITextHostTestImpl *impl_from_ITextHost(ITextHost *iface)
 101 {
 102     return CONTAINING_RECORD(iface, ITextHostTestImpl, ITextHost_iface);
 103 }
 104
 105 static HRESULT WINAPI ITextHostImpl_QueryInterface(ITextHost *iface,
 106                                                    REFIID riid,
 107                                                    LPVOID *ppvObject)
 108 {
 109     ITextHostTestImpl *This = impl_from_ITextHost(iface);
 110
 111     if (IsEqualIID(riid, &IID_IUnknown) || IsEqualIID(riid, pIID_ITextHost)) {
 112         *ppvObject = This;
 113         ITextHost_AddRef((ITextHost *)*ppvObject);
 114         return S_OK;
 115     }
 116
 117     return E_NOINTERFACE;
 118 }
 119
 120 static ULONG WINAPI ITextHostImpl_AddRef(ITextHost *iface)
 121 {
 122     ITextHostTestImpl *This = impl_from_ITextHost(iface);
 123     ULONG refCount = InterlockedIncrement(&This->refCount);
 124     return refCount;
 125 }
 126
 127 static ULONG WINAPI ITextHostImpl_Release(ITextHost *iface)
 128 {
 129     ITextHostTestImpl *This = impl_from_ITextHost(iface);
 130     ULONG refCount = InterlockedDecrement(&This->refCount);
 131
 132     if (!refCount)
 133     {
 134         CoTaskMemFree(This);
 135         return 0;
 136     } else {
 137         return refCount;
 138     }
 139 }
 140
 141 static HDC WINAPI ITextHostImpl_TxGetDC(ITextHost *iface)
 142 {
 143     ITextHostTestImpl *This = impl_from_ITextHost(iface);
 144     TRACECALL("Call to TxGetDC(%p)\n", This);
 145     return NULL;
 146 }
 147
 148 static INT WINAPI ITextHostImpl_TxReleaseDC(ITextHost *iface,
 149                                             HDC hdc)
 150 {
 151     ITextHostTestImpl *This = impl_from_ITextHost(iface);
 152     TRACECALL("Call to TxReleaseDC(%p)\n", This);
 153     return 0;
 154 }
 155
 156 static BOOL WINAPI ITextHostImpl_TxShowScrollBar(ITextHost *iface,
 157                                                  INT fnBar,
 158                                                  BOOL fShow)
 159 {
 160     ITextHostTestImpl *This = impl_from_ITextHost(iface);
 161     TRACECALL("Call to TxShowScrollBar(%p, fnBar=%d, fShow=%d)\n",
 162                 This, fnBar, fShow);
 163     return FALSE;
 164 }
 165
 166 static BOOL WINAPI ITextHostImpl_TxEnableScrollBar(ITextHost *iface,
 167                                                    INT fuSBFlags,
 168                                                    INT fuArrowflags)
 169 {
 170     ITextHostTestImpl *This = impl_from_ITextHost(iface);
 171     TRACECALL("Call to TxEnableScrollBar(%p, fuSBFlags=%d, fuArrowflags=%d)\n",
 172                This, fuSBFlags, fuArrowflags);
 173     return FALSE;
 174 }
 175
 176 static BOOL WINAPI ITextHostImpl_TxSetScrollRange(ITextHost *iface,
 177                                                   INT fnBar,
 178                                                   LONG nMinPos,
 179                                                   INT nMaxPos,
 180                                                   BOOL fRedraw)
 181 {
 182     ITextHostTestImpl *This = impl_from_ITextHost(iface);
 183     TRACECALL("Call to TxSetScrollRange(%p, fnBar=%d, nMinPos=%d, nMaxPos=%d, fRedraw=%d)\n",
 184                This, fnBar, nMinPos, nMaxPos, fRedraw);
 185     return FALSE;
 186 }
 187
 188 static BOOL WINAPI ITextHostImpl_TxSetScrollPos(ITextHost *iface,
 189                                                 INT fnBar,
 190                                                 INT nPos,
 191                                                 BOOL fRedraw)
 192 {
 193     ITextHostTestImpl *This = impl_from_ITextHost(iface);
 194     TRACECALL("Call to TxSetScrollPos(%p, fnBar=%d, nPos=%d, fRedraw=%d)\n",
 195                This, fnBar, nPos, fRedraw);
 196     return FALSE;
 197 }
 198
 199 static void WINAPI ITextHostImpl_TxInvalidateRect(ITextHost *iface,
 200                                                   LPCRECT prc,
 201                                                   BOOL fMode)
 202 {
 203     ITextHostTestImpl *This = impl_from_ITextHost(iface);
 204     TRACECALL("Call to TxInvalidateRect(%p, prc=%p, fMode=%d)\n",
 205                This, prc, fMode);
 206 }
 207
 208 static void WINAPI ITextHostImpl_TxViewChange(ITextHost *iface, BOOL fUpdate)
 209 {
 210     ITextHostTestImpl *This = impl_from_ITextHost(iface);
 211     TRACECALL("Call to TxViewChange(%p, fUpdate=%d)\n",
 212                This, fUpdate);
 213 }
 214
 215 static BOOL WINAPI ITextHostImpl_TxCreateCaret(ITextHost *iface,
 216                                                HBITMAP hbmp,
 217                                                INT xWidth, INT yHeight)
 218 {
 219     ITextHostTestImpl *This = impl_from_ITextHost(iface);
 220     TRACECALL("Call to TxCreateCaret(%p, nbmp=%p, xWidth=%d, yHeight=%d)\n",
 221                This, hbmp, xWidth, yHeight);
 222     return FALSE;
 223 }
 224
 225 static BOOL WINAPI ITextHostImpl_TxShowCaret(ITextHost *iface, BOOL fShow)
 226 {
 227     ITextHostTestImpl *This = impl_from_ITextHost(iface);
 228     TRACECALL("Call to TxShowCaret(%p, fShow=%d)\n",
 229                This, fShow);
 230     return FALSE;
 231 }
 232
 233 static BOOL WINAPI ITextHostImpl_TxSetCaretPos(ITextHost *iface,
 234                                                INT x, INT y)
 235 {
 236     ITextHostTestImpl *This = impl_from_ITextHost(iface);
 237     TRACECALL("Call to TxSetCaretPos(%p, x=%d, y=%d)\n", This, x, y);
 238     return FALSE;
 239 }
 240
 241 static BOOL WINAPI ITextHostImpl_TxSetTimer(ITextHost *iface,
 242                                             UINT idTimer, UINT uTimeout)
 243 {
 244     ITextHostTestImpl *This = impl_from_ITextHost(iface);
 245     TRACECALL("Call to TxSetTimer(%p, idTimer=%u, uTimeout=%u)\n",
 246               This, idTimer, uTimeout);
 247     return FALSE;
 248 }
 249
 250 static void WINAPI ITextHostImpl_TxKillTimer(ITextHost *iface, UINT idTimer)
 251 {
 252     ITextHostTestImpl *This = impl_from_ITextHost(iface);
 253     TRACECALL("Call to TxKillTimer(%p, idTimer=%u)\n", This, idTimer);
 254 }
 255
 256 static void WINAPI ITextHostImpl_TxScrollWindowEx(ITextHost *iface,
 257                                                   INT dx, INT dy,
 258                                                   LPCRECT lprcScroll,
 259                                                   LPCRECT lprcClip,
 260                                                   HRGN hRgnUpdate,
 261                                                   LPRECT lprcUpdate,
 262                                                   UINT fuScroll)
 263 {
 264     ITextHostTestImpl *This = impl_from_ITextHost(iface);
 265     TRACECALL("Call to TxScrollWindowEx(%p, %d, %d, %p, %p, %p, %p, %d)\n",
 266               This, dx, dy, lprcScroll, lprcClip, hRgnUpdate, lprcUpdate, fuScroll);
 267 }
 268
 269 static void WINAPI ITextHostImpl_TxSetCapture(ITextHost *iface, BOOL fCapture)
 270 {
 271     ITextHostTestImpl *This = impl_from_ITextHost(iface);
 272     TRACECALL("Call to TxSetCapture(%p, fCapture=%d)\n", This, fCapture);
 273 }
 274
 275 static void WINAPI ITextHostImpl_TxSetFocus(ITextHost *iface)
 276 {
 277     ITextHostTestImpl *This = impl_from_ITextHost(iface);
 278     TRACECALL("Call to TxSetFocus(%p)\n", This);
 279 }
 280
 281 static void WINAPI ITextHostImpl_TxSetCursor(ITextHost *iface,
 282                                              HCURSOR hcur,
 283                                              BOOL fText)
 284 {
 285     ITextHostTestImpl *This = impl_from_ITextHost(iface);
 286     TRACECALL("Call to TxSetCursor(%p, hcur=%p, fText=%d)\n",
 287               This, hcur, fText);
 288 }
 289
 290 static BOOL WINAPI ITextHostImpl_TxScreenToClient(ITextHost *iface,
 291                                                   LPPOINT lppt)
 292 {
 293     ITextHostTestImpl *This = impl_from_ITextHost(iface);
 294     TRACECALL("Call to TxScreenToClient(%p, lppt=%p)\n", This, lppt);
 295     return FALSE;
 296 }
 297
 298 static BOOL WINAPI ITextHostImpl_TxClientToScreen(ITextHost *iface,
 299                                                   LPPOINT lppt)
 300 {
 301     ITextHostTestImpl *This = impl_from_ITextHost(iface);
 302     TRACECALL("Call to TxClientToScreen(%p, lppt=%p)\n", This, lppt);
 303     return FALSE;
 304 }
 305
 306 static HRESULT WINAPI ITextHostImpl_TxActivate(ITextHost *iface,
 307                                                LONG *plOldState)
 308 {
 309     ITextHostTestImpl *This = impl_from_ITextHost(iface);
 310     TRACECALL("Call to TxActivate(%p, plOldState=%p)\n", This, plOldState);
 311     return E_NOTIMPL;
 312 }
 313
 314 static HRESULT WINAPI ITextHostImpl_TxDeactivate(ITextHost *iface,
 315                                                  LONG lNewState)
 316 {
 317     ITextHostTestImpl *This = impl_from_ITextHost(iface);
 318     TRACECALL("Call to TxDeactivate(%p, lNewState=%d)\n", This, lNewState);
 319     return E_NOTIMPL;
 320 }
 321
 322 static HRESULT WINAPI ITextHostImpl_TxGetClientRect(ITextHost *iface,
 323                                                     LPRECT prc)
 324 {
 325     ITextHostTestImpl *This = impl_from_ITextHost(iface);
 326     TRACECALL("Call to TxGetClientRect(%p, prc=%p)\n", This, prc);
 327     return E_NOTIMPL;
 328 }
 329
 330 static HRESULT WINAPI ITextHostImpl_TxGetViewInset(ITextHost *iface,
 331                                                    LPRECT prc)
 332 {
 333     ITextHostTestImpl *This = impl_from_ITextHost(iface);
 334     TRACECALL("Call to TxGetViewInset(%p, prc=%p)\n", This, prc);
 335     return E_NOTIMPL;
 336 }
 337
 338 static HRESULT WINAPI ITextHostImpl_TxGetCharFormat(ITextHost *iface,
 339                                                     const CHARFORMATW **ppCF)
 340 {
 341     ITextHostTestImpl *This = impl_from_ITextHost(iface);
 342     TRACECALL("Call to TxGetCharFormat(%p, ppCF=%p)\n", This, ppCF);
 343     return E_NOTIMPL;
 344 }
 345
 346 static HRESULT WINAPI ITextHostImpl_TxGetParaFormat(ITextHost *iface,
 347                                                     const PARAFORMAT **ppPF)
 348 {
 349     ITextHostTestImpl *This = impl_from_ITextHost(iface);
 350     TRACECALL("Call to TxGetParaFormat(%p, ppPF=%p)\n", This, ppPF);
 351     return E_NOTIMPL;
 352 }
 353
 354 static COLORREF WINAPI ITextHostImpl_TxGetSysColor(ITextHost *iface,
 355                                                    int nIndex)
 356 {
 357     ITextHostTestImpl *This = impl_from_ITextHost(iface);
 358     TRACECALL("Call to TxGetSysColor(%p, nIndex=%d)\n", This, nIndex);
 359     return E_NOTIMPL;
 360 }
 361
 362 static HRESULT WINAPI ITextHostImpl_TxGetBackStyle(ITextHost *iface,
 363                                                    TXTBACKSTYLE *pStyle)
 364 {
 365     ITextHostTestImpl *This = impl_from_ITextHost(iface);
 366     TRACECALL("Call to TxGetBackStyle(%p, pStyle=%p)\n", This, pStyle);
 367     return E_NOTIMPL;
 368 }
 369
 370 static HRESULT WINAPI ITextHostImpl_TxGetMaxLength(ITextHost *iface,
 371                                                    DWORD *pLength)
 372 {
 373     ITextHostTestImpl *This = impl_from_ITextHost(iface);
 374     TRACECALL("Call to TxGetMaxLength(%p, pLength=%p)\n", This, pLength);
 375     return E_NOTIMPL;
 376 }
 377
 378 static HRESULT WINAPI ITextHostImpl_TxGetScrollBars(ITextHost *iface,
 379                                                     DWORD *pdwScrollBar)
 380 {
 381     ITextHostTestImpl *This = impl_from_ITextHost(iface);
 382     TRACECALL("Call to TxGetScrollBars(%p, pdwScrollBar=%p)\n",
 383                This, pdwScrollBar);
 384     return E_NOTIMPL;
 385 }
 386
 387 static HRESULT WINAPI ITextHostImpl_TxGetPasswordChar(ITextHost *iface,
 388                                                       WCHAR *pch)
 389 {
 390     ITextHostTestImpl *This = impl_from_ITextHost(iface);
 391     TRACECALL("Call to TxGetPasswordChar(%p, pch=%p)\n", This, pch);
 392     return E_NOTIMPL;
 393 }
 394
 395 static HRESULT WINAPI ITextHostImpl_TxGetAcceleratorPos(ITextHost *iface,
 396                                                         LONG *pch)
 397 {
 398     ITextHostTestImpl *This = impl_from_ITextHost(iface);
 399     TRACECALL("Call to TxGetAcceleratorPos(%p, pch=%p)\n", This, pch);
 400     return E_NOTIMPL;
 401 }
 402
 403 static HRESULT WINAPI ITextHostImpl_TxGetExtent(ITextHost *iface,
 404                                                 LPSIZEL lpExtent)
 405 {
 406     ITextHostTestImpl *This = impl_from_ITextHost(iface);
 407     TRACECALL("Call to TxGetExtent(%p, lpExtent=%p)\n", This, lpExtent);
 408     return E_NOTIMPL;
 409 }
 410
 411 static HRESULT WINAPI ITextHostImpl_OnTxCharFormatChange(ITextHost *iface,
 412                                                          const CHARFORMATW *pcf)
 413 {
 414     ITextHostTestImpl *This = impl_from_ITextHost(iface);
 415     TRACECALL("Call to OnTxCharFormatChange(%p, pcf=%p)\n", This, pcf);
 416     return E_NOTIMPL;
 417 }
 418
 419 static HRESULT WINAPI ITextHostImpl_OnTxParaFormatChange(ITextHost *iface,
 420                                                          const PARAFORMAT *ppf)
 421 {
 422     ITextHostTestImpl *This = impl_from_ITextHost(iface);
 423     TRACECALL("Call to OnTxParaFormatChange(%p, ppf=%p)\n", This, ppf);
 424     return E_NOTIMPL;
 425 }
 426
 427 /* This must return S_OK for the native ITextServices object to
 428    initialize. */
 429 static HRESULT WINAPI ITextHostImpl_TxGetPropertyBits(ITextHost *iface,
 430                                                       DWORD dwMask,
 431                                                       DWORD *pdwBits)
 432 {
 433     ITextHostTestImpl *This = impl_from_ITextHost(iface);
 434     TRACECALL("Call to TxGetPropertyBits(%p, dwMask=0x%08x, pdwBits=%p)\n",
 435               This, dwMask, pdwBits);
 436     *pdwBits = 0;
 437     return S_OK;
 438 }
 439
 440 static HRESULT WINAPI ITextHostImpl_TxNotify(ITextHost *iface, DWORD iNotify,
 441                                              void *pv)
 442 {
 443     ITextHostTestImpl *This = impl_from_ITextHost(iface);
 444     TRACECALL("Call to TxNotify(%p, iNotify=%d, pv=%p)\n", This, iNotify, pv);
 445     return E_NOTIMPL;
 446 }
 447
 448 static HIMC WINAPI ITextHostImpl_TxImmGetContext(ITextHost *iface)
 449 {
 450     ITextHostTestImpl *This = impl_from_ITextHost(iface);
 451     TRACECALL("Call to TxImmGetContext(%p)\n", This);
 452     return 0;
 453 }
 454
 455 static void WINAPI ITextHostImpl_TxImmReleaseContext(ITextHost *iface, HIMC himc)
 456 {
 457     ITextHostTestImpl *This = impl_from_ITextHost(iface);
 458     TRACECALL("Call to TxImmReleaseContext(%p, himc=%p)\n", This, himc);
 459 }
 460
 461 /* This function must set the variable pointed to by *lSelBarWidth.
 462    Otherwise an uninitialized value will be used to calculate
 463    positions and sizes even if E_NOTIMPL is returned. */
 464 static HRESULT WINAPI ITextHostImpl_TxGetSelectionBarWidth(ITextHost *iface,
 465                                                            LONG *lSelBarWidth)
 466 {
 467     ITextHostTestImpl *This = impl_from_ITextHost(iface);
 468     TRACECALL("Call to TxGetSelectionBarWidth(%p, lSelBarWidth=%p)\n",
 469                 This, lSelBarWidth);
 470     *lSelBarWidth = 0;
 471     return E_NOTIMPL;
 472 }
 473
 474 static ITextHostVtbl itextHostVtbl = {
 475     ITextHostImpl_QueryInterface,
 476     ITextHostImpl_AddRef,
 477     ITextHostImpl_Release,
 478     ITextHostImpl_TxGetDC,
 479     ITextHostImpl_TxReleaseDC,
 480     ITextHostImpl_TxShowScrollBar,
 481     ITextHostImpl_TxEnableScrollBar,
 482     ITextHostImpl_TxSetScrollRange,
 483     ITextHostImpl_TxSetScrollPos,
 484     ITextHostImpl_TxInvalidateRect,
 485     ITextHostImpl_TxViewChange,
 486     ITextHostImpl_TxCreateCaret,
 487     ITextHostImpl_TxShowCaret,
 488     ITextHostImpl_TxSetCaretPos,
 489     ITextHostImpl_TxSetTimer,
 490     ITextHostImpl_TxKillTimer,
 491     ITextHostImpl_TxScrollWindowEx,
 492     ITextHostImpl_TxSetCapture,
 493     ITextHostImpl_TxSetFocus,
 494     ITextHostImpl_TxSetCursor,
 495     ITextHostImpl_TxScreenToClient,
 496     ITextHostImpl_TxClientToScreen,
 497     ITextHostImpl_TxActivate,
 498     ITextHostImpl_TxDeactivate,
 499     ITextHostImpl_TxGetClientRect,
 500     ITextHostImpl_TxGetViewInset,
 501     ITextHostImpl_TxGetCharFormat,
 502     ITextHostImpl_TxGetParaFormat,
 503     ITextHostImpl_TxGetSysColor,
 504     ITextHostImpl_TxGetBackStyle,
 505     ITextHostImpl_TxGetMaxLength,
 506     ITextHostImpl_TxGetScrollBars,
 507     ITextHostImpl_TxGetPasswordChar,
 508     ITextHostImpl_TxGetAcceleratorPos,
 509     ITextHostImpl_TxGetExtent,
 510     ITextHostImpl_OnTxCharFormatChange,
 511     ITextHostImpl_OnTxParaFormatChange,
 512     ITextHostImpl_TxGetPropertyBits,
 513     ITextHostImpl_TxNotify,
 514     ITextHostImpl_TxImmGetContext,
 515     ITextHostImpl_TxImmReleaseContext,
 516     ITextHostImpl_TxGetSelectionBarWidth
 517 };
 518
 519 static ITextServices *txtserv = NULL;
 520 static ITextHostTestImpl *dummyTextHost;
 521 static void *wrapperCodeMem = NULL;
 522
 523 #include "pshpack1.h"
 524
 525 /* Code structure for x86 byte code */
 526 typedef struct
 527 {
 528     BYTE pop_eax;  /* popl  %eax  */
 529     BYTE push_ecx; /* pushl %ecx  */
 530     BYTE push_eax; /* pushl %eax  */
 531     BYTE jmp_func; /* jmp   $func */
 532     DWORD func;
 533 } THISCALL_TO_STDCALL_THUNK;
 534
 535 typedef struct
 536 {
 537     BYTE pop_eax;               /* popl  %eax */
 538     BYTE pop_ecx;               /* popl  %ecx */
 539     BYTE push_eax;              /* pushl %eax */
 540     BYTE mov_vtable_eax[2];     /* movl (%ecx), %eax */
 541     BYTE jmp_eax[2];            /* jmp *$vtablefunc_offset(%eax) */
 542     int  vtablefunc_offset;
 543 } STDCALL_TO_THISCALL_THUNK;
 544
 545 #include "poppack.h"
 546
 547 static void setup_thiscall_wrappers(void)
 548 {
 549 #ifdef __i386__
 550     void** pVtable;
 551     void** pVtableEnd;
 552     THISCALL_TO_STDCALL_THUNK *thunk;
 553     STDCALL_TO_THISCALL_THUNK *thunk2;
 554
 555     wrapperCodeMem = VirtualAlloc(NULL,
 556                                   (sizeof(ITextHostVtbl)/sizeof(void*) - 3)
 557                                     * sizeof(THISCALL_TO_STDCALL_THUNK)
 558                                   +(sizeof(ITextServicesVtbl)/sizeof(void*) - 3)
 559                                     * sizeof(STDCALL_TO_THISCALL_THUNK),
 560                                   MEM_COMMIT, PAGE_EXECUTE_READWRITE);
 561     thunk = wrapperCodeMem;
 562
 563     /* Wrap all ITextHostImpl methods with code to perform a thiscall to
 564      * stdcall conversion. The thiscall calling convention places the This
 565      * pointer in ecx on the x86 platform, and the stdcall calling convention
 566      * pushes the This pointer on the stack as the first argument.
 567      *
 568      * The byte code does the conversion then jumps to the real function.
 569      *
 570      * Each wrapper needs to be modified so that the function to jump to is
 571      * modified in the byte code. */
 572
 573     /* Skip QueryInterface, AddRef, and Release native actually
 574      * defined them with the stdcall calling convention. */
 575     pVtable = (void**)&itextHostVtbl + 3;
 576     pVtableEnd = (void**)(&itextHostVtbl + 1);
 577     while (pVtable != pVtableEnd) {
 578         /* write byte code to executable memory */
 579         thunk->pop_eax = 0x58;  /* popl  %eax  */
 580         thunk->push_ecx = 0x51; /* pushl %ecx  */
 581         thunk->push_eax = 0x50; /* pushl %eax  */
 582         thunk->jmp_func = 0xe9; /* jmp   $func */
 583         /* The address needs to be relative to the end of the jump instructions. */
 584         thunk->func = (char*)*pVtable - (char*)(&thunk->func + 1);
 585         *pVtable = thunk;
 586         pVtable++;
 587         thunk++;
 588     }
 589
 590     /* Setup an ITextServices standard call vtable that will call the
 591      * native thiscall vtable when the methods are called. */
 592
 593     /* QueryInterface, AddRef, and Release should be called directly on the
 594      * real vtable since they use the stdcall calling convention. */
 595     thunk2 = (STDCALL_TO_THISCALL_THUNK *)thunk;
 596     pVtable = (void**)&itextServicesStdcallVtbl + 3;
 597     pVtableEnd = (void**)(&itextServicesStdcallVtbl + 1);
 598     while (pVtable != pVtableEnd) {
 599         /* write byte code to executable memory */
 600         thunk2->pop_eax = 0x58;               /* popl  %eax */
 601         thunk2->pop_ecx = 0x59;               /* popl  %ecx */
 602         thunk2->push_eax = 0x50;              /* pushl %eax */
 603         thunk2->mov_vtable_eax[0] = 0x8b;     /* movl (%ecx), %eax */
 604         thunk2->mov_vtable_eax[1] = 0x01;
 605         thunk2->jmp_eax[0] = 0xff;            /* jmp *$vtablefunc_offset(%eax) */
 606         thunk2->jmp_eax[1] = 0xa0;
 607         thunk2->vtablefunc_offset = (char*)pVtable - (char*)&itextServicesStdcallVtbl;
 608         *pVtable = thunk2;
 609         pVtable++;
 610         thunk2++;
 611     }
 612 #endif /* __i386__ */
 613 }
 614
 615 /*************************************************************************/
 616 /* Conformance test functions. */
 617
 618 /* Initialize the test texthost structure */
 619 static BOOL init_texthost(void)
 620 {
 621     IUnknown *init;
 622     HRESULT result;
 623     PCreateTextServices pCreateTextServices;
 624
 625     dummyTextHost = CoTaskMemAlloc(sizeof(*dummyTextHost));
 626     if (dummyTextHost == NULL) {
 627         skip("Insufficient memory to create ITextHost interface\n");
 628         return FALSE;
 629     }
 630     dummyTextHost->ITextHost_iface.lpVtbl = &itextHostVtbl;
 631     dummyTextHost->refCount = 1;
 632
 633     /* MSDN states that an IUnknown object is returned by
 634        CreateTextServices which is then queried to obtain a
 635        ITextServices object. */
 636     pCreateTextServices = (void*)GetProcAddress(hmoduleRichEdit, "CreateTextServices");
 637     result = (*pCreateTextServices)(NULL, &dummyTextHost->ITextHost_iface, &init);
 638     ok(result == S_OK, "Did not return S_OK when created (result =  %x)\n", result);
 639     if (result != S_OK) {
 640         CoTaskMemFree(dummyTextHost);
 641         skip("CreateTextServices failed.\n");
 642         return FALSE;
 643     }
 644
 645     result = IUnknown_QueryInterface(init, pIID_ITextServices,
 646                                      (void **)&txtserv);
 647     ok((result == S_OK) && (txtserv != NULL), "Querying interface failed (result = %x, txtserv = %p)\n", result, txtserv);
 648     IUnknown_Release(init);
 649     if (!((result == S_OK) && (txtserv != NULL))) {
 650         CoTaskMemFree(dummyTextHost);
 651         skip("Could not retrieve ITextServices interface\n");
 652         return FALSE;
 653     }
 654
 655     return TRUE;
 656 }
 657
 658 static void free_texthost(void)
 659 {
 660     IUnknown_Release(txtserv);
 661     CoTaskMemFree(dummyTextHost);
 662 }
 663
 664 static void test_TxGetText(void)
 665 {
 666     HRESULT hres;
 667     BSTR rettext;
 668
 669     if (!init_texthost())
 670         return;
 671
 672     hres = ITextServices_TxGetText(txtserv, &rettext);
 673     ok(hres == S_OK, "ITextServices_TxGetText failed (result = %x)\n", hres);
 674
 675     free_texthost();
 676 }
 677
 678 static void test_TxSetText(void)
 679 {
 680     HRESULT hres;
 681     BSTR rettext;
 682     WCHAR settext[] = {'T','e','s','t',0};
 683
 684     if (!init_texthost())
 685         return;
 686
 687     hres = ITextServices_TxSetText(txtserv, settext);
 688     ok(hres == S_OK, "ITextServices_TxSetText failed (result = %x)\n", hres);
 689
 690     hres = ITextServices_TxGetText(txtserv, &rettext);
 691     ok(hres == S_OK, "ITextServices_TxGetText failed (result = %x)\n", hres);
 692
 693     ok(SysStringLen(rettext) == 4,
 694                  "String returned of wrong length (expected 4, got %d)\n", SysStringLen(rettext));
 695     ok(memcmp(rettext,settext,SysStringByteLen(rettext)) == 0,
 696                  "String returned differs\n");
 697
 698     SysFreeString(rettext);
 699     free_texthost();
 700 }
 701
 702 static void test_TxGetNaturalSize(void) {
 703     HRESULT result;
 704     BOOL ret;
 705
 706     /* This value is used when calling TxGetNaturalSize.  MSDN says
 707        that this is not supported however a null pointer cannot be
 708        used as it will cause a segmentation violation.  The values in
 709        the structure being pointed to are required to be INT_MAX
 710        otherwise calculations can give wrong values. */
 711     const SIZEL psizelExtent = {INT_MAX,INT_MAX};
 712
 713     static const WCHAR oneA[] = {'A',0};
 714
 715     /* Results of measurements */
 716     LONG xdim, ydim;
 717
 718     /* The device context to do the tests in */
 719     HDC hdcDraw;
 720
 721     /* Variables with the text metric information */
 722     INT charwidth_caps_text[26];
 723     TEXTMETRIC tmInfo_text;
 724
 725     if (!init_texthost())
 726         return;
 727
 728     hdcDraw = GetDC(NULL);
 729     SaveDC(hdcDraw);
 730
 731     /* Populate the metric strucs */
 732     SetMapMode(hdcDraw,MM_TEXT);
 733     GetTextMetrics(hdcDraw, &tmInfo_text);
 734     SetLastError(0xdeadbeef);
 735     ret = GetCharWidth32(hdcDraw,'A','Z',charwidth_caps_text);
 736     if (!ret && GetLastError() == ERROR_CALL_NOT_IMPLEMENTED) {
 737         win_skip("GetCharWidth32 is not available\n");
 738         goto cleanup;
 739     }
 740
 741     /* Make measurements in MM_TEXT */
 742     SetMapMode(hdcDraw,MM_TEXT);
 743     xdim = 0; ydim = 0;
 744
 745     result = ITextServices_TxSetText(txtserv, oneA);
 746     ok(result == S_OK, "ITextServices_TxSetText failed (result = %x)\n", result);
 747     if (result != S_OK) {
 748         skip("Could not set text\n");
 749         goto cleanup;
 750     }
 751
 752     SetLastError(0xdeadbeef);
 753     result = ITextServices_TxGetNaturalSize(txtserv, DVASPECT_CONTENT,
 754                                             hdcDraw, NULL, NULL,
 755                                             TXTNS_FITTOCONTENT, &psizelExtent,
 756                                             &xdim, &ydim);
 757     todo_wine ok(result == S_OK || broken(result == E_FAIL), /* WINXP Arabic Language */
 758         "TxGetNaturalSize gave unexpected return value (result = %x)\n", result);
 759     if (result == S_OK) {
 760     todo_wine ok(ydim == tmInfo_text.tmHeight,
 761                  "Height calculated incorrectly (expected %d, got %d)\n",
 762                  tmInfo_text.tmHeight, ydim);
 763     /* The native DLL adds one pixel extra when calculating widths. */
 764     todo_wine ok(xdim >= charwidth_caps_text[0] && xdim <= charwidth_caps_text[0] + 1,
 765                  "Width calculated incorrectly (expected %d {+1}, got %d)\n",
 766                  charwidth_caps_text[0], xdim);
 767     } else
 768         skip("TxGetNaturalSize measurements not performed (xdim = %d, ydim = %d, result = %x, error = %x)\n",
 769              xdim, ydim, result, GetLastError());
 770
 771 cleanup:
 772     RestoreDC(hdcDraw,1);
 773     ReleaseDC(NULL,hdcDraw);
 774     free_texthost();
 775 }
 776
 777 static void test_TxDraw(void)
 778 {
 779     HDC tmphdc = GetDC(NULL);
 780     DWORD dwAspect = DVASPECT_CONTENT;
 781     HDC hicTargetDev = NULL; /* Means "default" device */
 782     DVTARGETDEVICE *ptd = NULL;
 783     void *pvAspect = NULL;
 784     HRESULT result;
 785     RECTL client = {0,0,100,100};
 786
 787     if (!init_texthost())
 788         return;
 789
 790     todo_wine {
 791         result = ITextServices_TxDraw(txtserv, dwAspect, 0, pvAspect, ptd,
 792                                       tmphdc, hicTargetDev, &client, NULL,
 793                                       NULL, NULL, 0, 0);
 794         ok(result == S_OK, "TxDraw failed (result = %x)\n", result);
 795     }
 796
 797     free_texthost();
 798
 799 }
 800
 801 DEFINE_GUID(expected_iid_itextservices, 0x8d33f740, 0xcf58, 0x11ce, 0xa8, 0x9d, 0x00, 0xaa, 0x00, 0x6c, 0xad, 0xc5);
 802 DEFINE_GUID(expected_iid_itexthost, 0x13e670f4,0x1a5a,0x11cf,0xab,0xeb,0x00,0xaa,0x00,0xb6,0x5e,0xa1);
 803 DEFINE_GUID(expected_iid_itexthost2, 0x13e670f5,0x1a5a,0x11cf,0xab,0xeb,0x00,0xaa,0x00,0xb6,0x5e,0xa1);
 804
 805 static void test_IIDs(void)
 806 {
 807     ok(IsEqualIID(pIID_ITextServices, &expected_iid_itextservices),
 808        "unexpected value for IID_ITextServices: %s\n", debugstr_guid(pIID_ITextServices));
 809     ok(IsEqualIID(pIID_ITextHost, &expected_iid_itexthost),
 810        "unexpected value for IID_ITextHost: %s\n", debugstr_guid(pIID_ITextHost));
 811     ok(IsEqualIID(pIID_ITextHost2, &expected_iid_itexthost2),
 812        "unexpected value for IID_ITextHost2: %s\n", debugstr_guid(pIID_ITextHost2));
 813 }
 814
 815
 816 START_TEST( txtsrv )
 817 {
 818     setup_thiscall_wrappers();
 819
 820     /* Must explicitly LoadLibrary(). The test has no references to functions in
 821      * RICHED20.DLL, so the linker doesn't actually link to it. */
 822     hmoduleRichEdit = LoadLibrary("RICHED20.DLL");
 823     ok(hmoduleRichEdit != NULL, "error: %d\n", (int) GetLastError());
 824
 825     pIID_ITextServices = (IID*)GetProcAddress(hmoduleRichEdit, "IID_ITextServices");
 826     pIID_ITextHost = (IID*)GetProcAddress(hmoduleRichEdit, "IID_ITextHost");
 827     pIID_ITextHost2 = (IID*)GetProcAddress(hmoduleRichEdit, "IID_ITextHost2");
 828     test_IIDs();
 829
 830     if (init_texthost())
 831     {
 832         free_texthost();
 833
 834         test_TxGetText();
 835         test_TxSetText();
 836         test_TxGetNaturalSize();
 837         test_TxDraw();
 838     }
 839     if (wrapperCodeMem) VirtualFree(wrapperCodeMem, 0, MEM_RELEASE);
 840 }