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 #define CONST_VTABLE
  25
  26 #include <stdio.h>
  27 #include <stdarg.h>
  28 #include <windef.h>
  29 #include <winbase.h>
  30 #include <objbase.h>
  31 #include <richedit.h>
  32 #include <tom.h>
  33 #include <richole.h>
  34 #include <initguid.h>
  35 #include <imm.h>
  36 #include <textserv.h>
  37 #include <wine/test.h>
  38 #include <oleauto.h>
  39 #include <limits.h>
  40
  41 static HMODULE hmoduleRichEdit;
  42 static IID *pIID_ITextServices;
  43 static IID *pIID_ITextHost;
  44 static IID *pIID_ITextHost2;
  45 static PCreateTextServices pCreateTextServices;
  46
  47 /* Define C Macros for ITextServices calls. */
  48
  49 /* Use a special table for x86 machines to convert the thiscall
  50  * calling convention.  This isn't needed on other platforms. */
  51 #ifdef __i386__
  52 static ITextServicesVtbl itextServicesStdcallVtbl;
  53 #define TXTSERV_VTABLE(This) (&itextServicesStdcallVtbl)
  54 #else /* __i386__ */
  55 #define TXTSERV_VTABLE(This) (This)->lpVtbl
  56 #endif /* __i386__ */
  57
  58 #define ITextServices_TxSendMessage(This,a,b,c,d) TXTSERV_VTABLE(This)->TxSendMessage(This,a,b,c,d)
  59 #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)
  60 #define ITextServices_TxGetHScroll(This,a,b,c,d,e) TXTSERV_VTABLE(This)->TxGetHScroll(This,a,b,c,d,e)
  61 #define ITextServices_TxGetVScroll(This,a,b,c,d,e) TXTSERV_VTABLE(This)->TxGetVScroll(This,a,b,c,d,e)
  62 #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)
  63 #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)
  64 #define ITextServices_OnTxInplaceActivate(This,a) TXTSERV_VTABLE(This)->OnTxInplaceActivate(This,a)
  65 #define ITextServices_OnTxInplaceDeactivate(This) TXTSERV_VTABLE(This)->OnTxInplaceDeactivate(This)
  66 #define ITextServices_OnTxUIActivate(This) TXTSERV_VTABLE(This)->OnTxUIActivate(This)
  67 #define ITextServices_OnTxUIDeactivate(This) TXTSERV_VTABLE(This)->OnTxUIDeactivate(This)
  68 #define ITextServices_TxGetText(This,a) TXTSERV_VTABLE(This)->TxGetText(This,a)
  69 #define ITextServices_TxSetText(This,a) TXTSERV_VTABLE(This)->TxSetText(This,a)
  70 #define ITextServices_TxGetCurTargetX(This,a) TXTSERV_VTABLE(This)->TxGetCurTargetX(This,a)
  71 #define ITextServices_TxGetBaseLinePos(This,a) TXTSERV_VTABLE(This)->TxGetBaseLinePos(This,a)
  72 #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)
  73 #define ITextServices_TxGetDropTarget(This,a) TXTSERV_VTABLE(This)->TxGetDropTarget(This,a)
  74 #define ITextServices_OnTxPropertyBitsChange(This,a,b) TXTSERV_VTABLE(This)->OnTxPropertyBitsChange(This,a,b)
  75 #define ITextServices_TxGetCachedSize(This,a,b) TXTSERV_VTABLE(This)->TxGetCachedSize(This,a,b)
  76
  77 /* Set the WINETEST_DEBUG environment variable to be greater than 1 for verbose
  78  * function call traces of ITextHost. */
  79 #define TRACECALL if(winetest_debug > 1) trace
  80
  81 /************************************************************************/
  82 /* ITextHost implementation for conformance testing. */
  83
  84 typedef struct ITextHostTestImpl
  85 {
  86     ITextHost ITextHost_iface;
  87     LONG refCount;
  88 } ITextHostTestImpl;
  89
  90 static inline ITextHostTestImpl *impl_from_ITextHost(ITextHost *iface)
  91 {
  92     return CONTAINING_RECORD(iface, ITextHostTestImpl, ITextHost_iface);
  93 }
  94
  95 static HRESULT WINAPI ITextHostImpl_QueryInterface(ITextHost *iface,
  96                                                    REFIID riid,
  97                                                    LPVOID *ppvObject)
  98 {
  99     ITextHostTestImpl *This = impl_from_ITextHost(iface);
 100
 101     if (IsEqualIID(riid, &IID_IUnknown) || IsEqualIID(riid, pIID_ITextHost)) {
 102         *ppvObject = This;
 103         ITextHost_AddRef((ITextHost *)*ppvObject);
 104         return S_OK;
 105     }
 106
 107     return E_NOINTERFACE;
 108 }
 109
 110 static ULONG WINAPI ITextHostImpl_AddRef(ITextHost *iface)
 111 {
 112     ITextHostTestImpl *This = impl_from_ITextHost(iface);
 113     ULONG refCount = InterlockedIncrement(&This->refCount);
 114     return refCount;
 115 }
 116
 117 static ULONG WINAPI ITextHostImpl_Release(ITextHost *iface)
 118 {
 119     ITextHostTestImpl *This = impl_from_ITextHost(iface);
 120     ULONG refCount = InterlockedDecrement(&This->refCount);
 121
 122     if (!refCount)
 123     {
 124         CoTaskMemFree(This);
 125         return 0;
 126     } else {
 127         return refCount;
 128     }
 129 }
 130
 131 static HDC WINAPI ITextHostImpl_TxGetDC(ITextHost *iface)
 132 {
 133     ITextHostTestImpl *This = impl_from_ITextHost(iface);
 134     TRACECALL("Call to TxGetDC(%p)\n", This);
 135     return NULL;
 136 }
 137
 138 static INT WINAPI ITextHostImpl_TxReleaseDC(ITextHost *iface,
 139                                             HDC hdc)
 140 {
 141     ITextHostTestImpl *This = impl_from_ITextHost(iface);
 142     TRACECALL("Call to TxReleaseDC(%p)\n", This);
 143     return 0;
 144 }
 145
 146 static BOOL WINAPI ITextHostImpl_TxShowScrollBar(ITextHost *iface,
 147                                                  INT fnBar,
 148                                                  BOOL fShow)
 149 {
 150     ITextHostTestImpl *This = impl_from_ITextHost(iface);
 151     TRACECALL("Call to TxShowScrollBar(%p, fnBar=%d, fShow=%d)\n",
 152                 This, fnBar, fShow);
 153     return FALSE;
 154 }
 155
 156 static BOOL WINAPI ITextHostImpl_TxEnableScrollBar(ITextHost *iface,
 157                                                    INT fuSBFlags,
 158                                                    INT fuArrowflags)
 159 {
 160     ITextHostTestImpl *This = impl_from_ITextHost(iface);
 161     TRACECALL("Call to TxEnableScrollBar(%p, fuSBFlags=%d, fuArrowflags=%d)\n",
 162                This, fuSBFlags, fuArrowflags);
 163     return FALSE;
 164 }
 165
 166 static BOOL WINAPI ITextHostImpl_TxSetScrollRange(ITextHost *iface,
 167                                                   INT fnBar,
 168                                                   LONG nMinPos,
 169                                                   INT nMaxPos,
 170                                                   BOOL fRedraw)
 171 {
 172     ITextHostTestImpl *This = impl_from_ITextHost(iface);
 173     TRACECALL("Call to TxSetScrollRange(%p, fnBar=%d, nMinPos=%d, nMaxPos=%d, fRedraw=%d)\n",
 174                This, fnBar, nMinPos, nMaxPos, fRedraw);
 175     return FALSE;
 176 }
 177
 178 static BOOL WINAPI ITextHostImpl_TxSetScrollPos(ITextHost *iface,
 179                                                 INT fnBar,
 180                                                 INT nPos,
 181                                                 BOOL fRedraw)
 182 {
 183     ITextHostTestImpl *This = impl_from_ITextHost(iface);
 184     TRACECALL("Call to TxSetScrollPos(%p, fnBar=%d, nPos=%d, fRedraw=%d)\n",
 185                This, fnBar, nPos, fRedraw);
 186     return FALSE;
 187 }
 188
 189 static void WINAPI ITextHostImpl_TxInvalidateRect(ITextHost *iface,
 190                                                   LPCRECT prc,
 191                                                   BOOL fMode)
 192 {
 193     ITextHostTestImpl *This = impl_from_ITextHost(iface);
 194     TRACECALL("Call to TxInvalidateRect(%p, prc=%p, fMode=%d)\n",
 195                This, prc, fMode);
 196 }
 197
 198 static void WINAPI ITextHostImpl_TxViewChange(ITextHost *iface, BOOL fUpdate)
 199 {
 200     ITextHostTestImpl *This = impl_from_ITextHost(iface);
 201     TRACECALL("Call to TxViewChange(%p, fUpdate=%d)\n",
 202                This, fUpdate);
 203 }
 204
 205 static BOOL WINAPI ITextHostImpl_TxCreateCaret(ITextHost *iface,
 206                                                HBITMAP hbmp,
 207                                                INT xWidth, INT yHeight)
 208 {
 209     ITextHostTestImpl *This = impl_from_ITextHost(iface);
 210     TRACECALL("Call to TxCreateCaret(%p, nbmp=%p, xWidth=%d, yHeight=%d)\n",
 211                This, hbmp, xWidth, yHeight);
 212     return FALSE;
 213 }
 214
 215 static BOOL WINAPI ITextHostImpl_TxShowCaret(ITextHost *iface, BOOL fShow)
 216 {
 217     ITextHostTestImpl *This = impl_from_ITextHost(iface);
 218     TRACECALL("Call to TxShowCaret(%p, fShow=%d)\n",
 219                This, fShow);
 220     return FALSE;
 221 }
 222
 223 static BOOL WINAPI ITextHostImpl_TxSetCaretPos(ITextHost *iface,
 224                                                INT x, INT y)
 225 {
 226     ITextHostTestImpl *This = impl_from_ITextHost(iface);
 227     TRACECALL("Call to TxSetCaretPos(%p, x=%d, y=%d)\n", This, x, y);
 228     return FALSE;
 229 }
 230
 231 static BOOL WINAPI ITextHostImpl_TxSetTimer(ITextHost *iface,
 232                                             UINT idTimer, UINT uTimeout)
 233 {
 234     ITextHostTestImpl *This = impl_from_ITextHost(iface);
 235     TRACECALL("Call to TxSetTimer(%p, idTimer=%u, uTimeout=%u)\n",
 236               This, idTimer, uTimeout);
 237     return FALSE;
 238 }
 239
 240 static void WINAPI ITextHostImpl_TxKillTimer(ITextHost *iface, UINT idTimer)
 241 {
 242     ITextHostTestImpl *This = impl_from_ITextHost(iface);
 243     TRACECALL("Call to TxKillTimer(%p, idTimer=%u)\n", This, idTimer);
 244 }
 245
 246 static void WINAPI ITextHostImpl_TxScrollWindowEx(ITextHost *iface,
 247                                                   INT dx, INT dy,
 248                                                   LPCRECT lprcScroll,
 249                                                   LPCRECT lprcClip,
 250                                                   HRGN hRgnUpdate,
 251                                                   LPRECT lprcUpdate,
 252                                                   UINT fuScroll)
 253 {
 254     ITextHostTestImpl *This = impl_from_ITextHost(iface);
 255     TRACECALL("Call to TxScrollWindowEx(%p, %d, %d, %p, %p, %p, %p, %d)\n",
 256               This, dx, dy, lprcScroll, lprcClip, hRgnUpdate, lprcUpdate, fuScroll);
 257 }
 258
 259 static void WINAPI ITextHostImpl_TxSetCapture(ITextHost *iface, BOOL fCapture)
 260 {
 261     ITextHostTestImpl *This = impl_from_ITextHost(iface);
 262     TRACECALL("Call to TxSetCapture(%p, fCapture=%d)\n", This, fCapture);
 263 }
 264
 265 static void WINAPI ITextHostImpl_TxSetFocus(ITextHost *iface)
 266 {
 267     ITextHostTestImpl *This = impl_from_ITextHost(iface);
 268     TRACECALL("Call to TxSetFocus(%p)\n", This);
 269 }
 270
 271 static void WINAPI ITextHostImpl_TxSetCursor(ITextHost *iface,
 272                                              HCURSOR hcur,
 273                                              BOOL fText)
 274 {
 275     ITextHostTestImpl *This = impl_from_ITextHost(iface);
 276     TRACECALL("Call to TxSetCursor(%p, hcur=%p, fText=%d)\n",
 277               This, hcur, fText);
 278 }
 279
 280 static BOOL WINAPI ITextHostImpl_TxScreenToClient(ITextHost *iface,
 281                                                   LPPOINT lppt)
 282 {
 283     ITextHostTestImpl *This = impl_from_ITextHost(iface);
 284     TRACECALL("Call to TxScreenToClient(%p, lppt=%p)\n", This, lppt);
 285     return FALSE;
 286 }
 287
 288 static BOOL WINAPI ITextHostImpl_TxClientToScreen(ITextHost *iface,
 289                                                   LPPOINT lppt)
 290 {
 291     ITextHostTestImpl *This = impl_from_ITextHost(iface);
 292     TRACECALL("Call to TxClientToScreen(%p, lppt=%p)\n", This, lppt);
 293     return FALSE;
 294 }
 295
 296 static HRESULT WINAPI ITextHostImpl_TxActivate(ITextHost *iface,
 297                                                LONG *plOldState)
 298 {
 299     ITextHostTestImpl *This = impl_from_ITextHost(iface);
 300     TRACECALL("Call to TxActivate(%p, plOldState=%p)\n", This, plOldState);
 301     return E_NOTIMPL;
 302 }
 303
 304 static HRESULT WINAPI ITextHostImpl_TxDeactivate(ITextHost *iface,
 305                                                  LONG lNewState)
 306 {
 307     ITextHostTestImpl *This = impl_from_ITextHost(iface);
 308     TRACECALL("Call to TxDeactivate(%p, lNewState=%d)\n", This, lNewState);
 309     return E_NOTIMPL;
 310 }
 311
 312 static HRESULT WINAPI ITextHostImpl_TxGetClientRect(ITextHost *iface,
 313                                                     LPRECT prc)
 314 {
 315     ITextHostTestImpl *This = impl_from_ITextHost(iface);
 316     TRACECALL("Call to TxGetClientRect(%p, prc=%p)\n", This, prc);
 317     return E_NOTIMPL;
 318 }
 319
 320 static HRESULT WINAPI ITextHostImpl_TxGetViewInset(ITextHost *iface,
 321                                                    LPRECT prc)
 322 {
 323     ITextHostTestImpl *This = impl_from_ITextHost(iface);
 324     TRACECALL("Call to TxGetViewInset(%p, prc=%p)\n", This, prc);
 325     return E_NOTIMPL;
 326 }
 327
 328 static HRESULT WINAPI ITextHostImpl_TxGetCharFormat(ITextHost *iface,
 329                                                     const CHARFORMATW **ppCF)
 330 {
 331     ITextHostTestImpl *This = impl_from_ITextHost(iface);
 332     TRACECALL("Call to TxGetCharFormat(%p, ppCF=%p)\n", This, ppCF);
 333     return E_NOTIMPL;
 334 }
 335
 336 static HRESULT WINAPI ITextHostImpl_TxGetParaFormat(ITextHost *iface,
 337                                                     const PARAFORMAT **ppPF)
 338 {
 339     ITextHostTestImpl *This = impl_from_ITextHost(iface);
 340     TRACECALL("Call to TxGetParaFormat(%p, ppPF=%p)\n", This, ppPF);
 341     return E_NOTIMPL;
 342 }
 343
 344 static COLORREF WINAPI ITextHostImpl_TxGetSysColor(ITextHost *iface,
 345                                                    int nIndex)
 346 {
 347     ITextHostTestImpl *This = impl_from_ITextHost(iface);
 348     TRACECALL("Call to TxGetSysColor(%p, nIndex=%d)\n", This, nIndex);
 349     return E_NOTIMPL;
 350 }
 351
 352 static HRESULT WINAPI ITextHostImpl_TxGetBackStyle(ITextHost *iface,
 353                                                    TXTBACKSTYLE *pStyle)
 354 {
 355     ITextHostTestImpl *This = impl_from_ITextHost(iface);
 356     TRACECALL("Call to TxGetBackStyle(%p, pStyle=%p)\n", This, pStyle);
 357     return E_NOTIMPL;
 358 }
 359
 360 static HRESULT WINAPI ITextHostImpl_TxGetMaxLength(ITextHost *iface,
 361                                                    DWORD *pLength)
 362 {
 363     ITextHostTestImpl *This = impl_from_ITextHost(iface);
 364     TRACECALL("Call to TxGetMaxLength(%p, pLength=%p)\n", This, pLength);
 365     return E_NOTIMPL;
 366 }
 367
 368 static HRESULT WINAPI ITextHostImpl_TxGetScrollBars(ITextHost *iface,
 369                                                     DWORD *pdwScrollBar)
 370 {
 371     ITextHostTestImpl *This = impl_from_ITextHost(iface);
 372     TRACECALL("Call to TxGetScrollBars(%p, pdwScrollBar=%p)\n",
 373                This, pdwScrollBar);
 374     return E_NOTIMPL;
 375 }
 376
 377 static HRESULT WINAPI ITextHostImpl_TxGetPasswordChar(ITextHost *iface,
 378                                                       WCHAR *pch)
 379 {
 380     ITextHostTestImpl *This = impl_from_ITextHost(iface);
 381     TRACECALL("Call to TxGetPasswordChar(%p, pch=%p)\n", This, pch);
 382     return E_NOTIMPL;
 383 }
 384
 385 static HRESULT WINAPI ITextHostImpl_TxGetAcceleratorPos(ITextHost *iface,
 386                                                         LONG *pch)
 387 {
 388     ITextHostTestImpl *This = impl_from_ITextHost(iface);
 389     TRACECALL("Call to TxGetAcceleratorPos(%p, pch=%p)\n", This, pch);
 390     return E_NOTIMPL;
 391 }
 392
 393 static HRESULT WINAPI ITextHostImpl_TxGetExtent(ITextHost *iface,
 394                                                 LPSIZEL lpExtent)
 395 {
 396     ITextHostTestImpl *This = impl_from_ITextHost(iface);
 397     TRACECALL("Call to TxGetExtent(%p, lpExtent=%p)\n", This, lpExtent);
 398     return E_NOTIMPL;
 399 }
 400
 401 static HRESULT WINAPI ITextHostImpl_OnTxCharFormatChange(ITextHost *iface,
 402                                                          const CHARFORMATW *pcf)
 403 {
 404     ITextHostTestImpl *This = impl_from_ITextHost(iface);
 405     TRACECALL("Call to OnTxCharFormatChange(%p, pcf=%p)\n", This, pcf);
 406     return E_NOTIMPL;
 407 }
 408
 409 static HRESULT WINAPI ITextHostImpl_OnTxParaFormatChange(ITextHost *iface,
 410                                                          const PARAFORMAT *ppf)
 411 {
 412     ITextHostTestImpl *This = impl_from_ITextHost(iface);
 413     TRACECALL("Call to OnTxParaFormatChange(%p, ppf=%p)\n", This, ppf);
 414     return E_NOTIMPL;
 415 }
 416
 417 /* This must return S_OK for the native ITextServices object to
 418    initialize. */
 419 static HRESULT WINAPI ITextHostImpl_TxGetPropertyBits(ITextHost *iface,
 420                                                       DWORD dwMask,
 421                                                       DWORD *pdwBits)
 422 {
 423     ITextHostTestImpl *This = impl_from_ITextHost(iface);
 424     TRACECALL("Call to TxGetPropertyBits(%p, dwMask=0x%08x, pdwBits=%p)\n",
 425               This, dwMask, pdwBits);
 426     *pdwBits = 0;
 427     return S_OK;
 428 }
 429
 430 static HRESULT WINAPI ITextHostImpl_TxNotify(ITextHost *iface, DWORD iNotify,
 431                                              void *pv)
 432 {
 433     ITextHostTestImpl *This = impl_from_ITextHost(iface);
 434     TRACECALL("Call to TxNotify(%p, iNotify=%d, pv=%p)\n", This, iNotify, pv);
 435     return E_NOTIMPL;
 436 }
 437
 438 static HIMC WINAPI ITextHostImpl_TxImmGetContext(ITextHost *iface)
 439 {
 440     ITextHostTestImpl *This = impl_from_ITextHost(iface);
 441     TRACECALL("Call to TxImmGetContext(%p)\n", This);
 442     return 0;
 443 }
 444
 445 static void WINAPI ITextHostImpl_TxImmReleaseContext(ITextHost *iface, HIMC himc)
 446 {
 447     ITextHostTestImpl *This = impl_from_ITextHost(iface);
 448     TRACECALL("Call to TxImmReleaseContext(%p, himc=%p)\n", This, himc);
 449 }
 450
 451 /* This function must set the variable pointed to by *lSelBarWidth.
 452    Otherwise an uninitialized value will be used to calculate
 453    positions and sizes even if E_NOTIMPL is returned. */
 454 static HRESULT WINAPI ITextHostImpl_TxGetSelectionBarWidth(ITextHost *iface,
 455                                                            LONG *lSelBarWidth)
 456 {
 457     ITextHostTestImpl *This = impl_from_ITextHost(iface);
 458     TRACECALL("Call to TxGetSelectionBarWidth(%p, lSelBarWidth=%p)\n",
 459                 This, lSelBarWidth);
 460     *lSelBarWidth = 0;
 461     return E_NOTIMPL;
 462 }
 463
 464 static ITextHostVtbl itextHostVtbl = {
 465     ITextHostImpl_QueryInterface,
 466     ITextHostImpl_AddRef,
 467     ITextHostImpl_Release,
 468     ITextHostImpl_TxGetDC,
 469     ITextHostImpl_TxReleaseDC,
 470     ITextHostImpl_TxShowScrollBar,
 471     ITextHostImpl_TxEnableScrollBar,
 472     ITextHostImpl_TxSetScrollRange,
 473     ITextHostImpl_TxSetScrollPos,
 474     ITextHostImpl_TxInvalidateRect,
 475     ITextHostImpl_TxViewChange,
 476     ITextHostImpl_TxCreateCaret,
 477     ITextHostImpl_TxShowCaret,
 478     ITextHostImpl_TxSetCaretPos,
 479     ITextHostImpl_TxSetTimer,
 480     ITextHostImpl_TxKillTimer,
 481     ITextHostImpl_TxScrollWindowEx,
 482     ITextHostImpl_TxSetCapture,
 483     ITextHostImpl_TxSetFocus,
 484     ITextHostImpl_TxSetCursor,
 485     ITextHostImpl_TxScreenToClient,
 486     ITextHostImpl_TxClientToScreen,
 487     ITextHostImpl_TxActivate,
 488     ITextHostImpl_TxDeactivate,
 489     ITextHostImpl_TxGetClientRect,
 490     ITextHostImpl_TxGetViewInset,
 491     ITextHostImpl_TxGetCharFormat,
 492     ITextHostImpl_TxGetParaFormat,
 493     ITextHostImpl_TxGetSysColor,
 494     ITextHostImpl_TxGetBackStyle,
 495     ITextHostImpl_TxGetMaxLength,
 496     ITextHostImpl_TxGetScrollBars,
 497     ITextHostImpl_TxGetPasswordChar,
 498     ITextHostImpl_TxGetAcceleratorPos,
 499     ITextHostImpl_TxGetExtent,
 500     ITextHostImpl_OnTxCharFormatChange,
 501     ITextHostImpl_OnTxParaFormatChange,
 502     ITextHostImpl_TxGetPropertyBits,
 503     ITextHostImpl_TxNotify,
 504     ITextHostImpl_TxImmGetContext,
 505     ITextHostImpl_TxImmReleaseContext,
 506     ITextHostImpl_TxGetSelectionBarWidth
 507 };
 508
 509 static ITextServices *txtserv = NULL;
 510 static ITextHostTestImpl *dummyTextHost;
 511 static void *wrapperCodeMem = NULL;
 512
 513 #include "pshpack1.h"
 514
 515 /* Code structure for x86 byte code */
 516 typedef struct
 517 {
 518     BYTE pop_eax;  /* popl  %eax  */
 519     BYTE push_ecx; /* pushl %ecx  */
 520     BYTE push_eax; /* pushl %eax  */
 521     BYTE jmp_func; /* jmp   $func */
 522     DWORD func;
 523 } THISCALL_TO_STDCALL_THUNK;
 524
 525 typedef struct
 526 {
 527     BYTE pop_eax;               /* popl  %eax */
 528     BYTE pop_ecx;               /* popl  %ecx */
 529     BYTE push_eax;              /* pushl %eax */
 530     BYTE mov_vtable_eax[2];     /* movl (%ecx), %eax */
 531     BYTE jmp_eax[2];            /* jmp *$vtablefunc_offset(%eax) */
 532     int  vtablefunc_offset;
 533 } STDCALL_TO_THISCALL_THUNK;
 534
 535 #include "poppack.h"
 536
 537 static void setup_thiscall_wrappers(void)
 538 {
 539 #ifdef __i386__
 540     void** pVtable;
 541     void** pVtableEnd;
 542     THISCALL_TO_STDCALL_THUNK *thunk;
 543     STDCALL_TO_THISCALL_THUNK *thunk2;
 544
 545     wrapperCodeMem = VirtualAlloc(NULL,
 546                                   (sizeof(ITextHostVtbl)/sizeof(void*) - 3)
 547                                     * sizeof(THISCALL_TO_STDCALL_THUNK)
 548                                   +(sizeof(ITextServicesVtbl)/sizeof(void*) - 3)
 549                                     * sizeof(STDCALL_TO_THISCALL_THUNK),
 550                                   MEM_COMMIT, PAGE_EXECUTE_READWRITE);
 551     thunk = wrapperCodeMem;
 552
 553     /* Wrap all ITextHostImpl methods with code to perform a thiscall to
 554      * stdcall conversion. The thiscall calling convention places the This
 555      * pointer in ecx on the x86 platform, and the stdcall calling convention
 556      * pushes the This pointer on the stack as the first argument.
 557      *
 558      * The byte code does the conversion then jumps to the real function.
 559      *
 560      * Each wrapper needs to be modified so that the function to jump to is
 561      * modified in the byte code. */
 562
 563     /* Skip QueryInterface, AddRef, and Release native actually
 564      * defined them with the stdcall calling convention. */
 565     pVtable = (void**)&itextHostVtbl + 3;
 566     pVtableEnd = (void**)(&itextHostVtbl + 1);
 567     while (pVtable != pVtableEnd) {
 568         /* write byte code to executable memory */
 569         thunk->pop_eax = 0x58;  /* popl  %eax  */
 570         thunk->push_ecx = 0x51; /* pushl %ecx  */
 571         thunk->push_eax = 0x50; /* pushl %eax  */
 572         thunk->jmp_func = 0xe9; /* jmp   $func */
 573         /* The address needs to be relative to the end of the jump instructions. */
 574         thunk->func = (char*)*pVtable - (char*)(&thunk->func + 1);
 575         *pVtable = thunk;
 576         pVtable++;
 577         thunk++;
 578     }
 579
 580     /* Setup an ITextServices standard call vtable that will call the
 581      * native thiscall vtable when the methods are called. */
 582
 583     /* QueryInterface, AddRef, and Release should be called directly on the
 584      * real vtable since they use the stdcall calling convention. */
 585     thunk2 = (STDCALL_TO_THISCALL_THUNK *)thunk;
 586     pVtable = (void**)&itextServicesStdcallVtbl + 3;
 587     pVtableEnd = (void**)(&itextServicesStdcallVtbl + 1);
 588     while (pVtable != pVtableEnd) {
 589         /* write byte code to executable memory */
 590         thunk2->pop_eax = 0x58;               /* popl  %eax */
 591         thunk2->pop_ecx = 0x59;               /* popl  %ecx */
 592         thunk2->push_eax = 0x50;              /* pushl %eax */
 593         thunk2->mov_vtable_eax[0] = 0x8b;     /* movl (%ecx), %eax */
 594         thunk2->mov_vtable_eax[1] = 0x01;
 595         thunk2->jmp_eax[0] = 0xff;            /* jmp *$vtablefunc_offset(%eax) */
 596         thunk2->jmp_eax[1] = 0xa0;
 597         thunk2->vtablefunc_offset = (char*)pVtable - (char*)&itextServicesStdcallVtbl;
 598         *pVtable = thunk2;
 599         pVtable++;
 600         thunk2++;
 601     }
 602 #endif /* __i386__ */
 603 }
 604
 605 /*************************************************************************/
 606 /* Conformance test functions. */
 607
 608 /* Initialize the test texthost structure */
 609 static BOOL init_texthost(void)
 610 {
 611     IUnknown *init;
 612     HRESULT result;
 613
 614     dummyTextHost = CoTaskMemAlloc(sizeof(*dummyTextHost));
 615     if (dummyTextHost == NULL) {
 616         skip("Insufficient memory to create ITextHost interface\n");
 617         return FALSE;
 618     }
 619     dummyTextHost->ITextHost_iface.lpVtbl = &itextHostVtbl;
 620     dummyTextHost->refCount = 1;
 621
 622     /* MSDN states that an IUnknown object is returned by
 623        CreateTextServices which is then queried to obtain a
 624        ITextServices object. */
 625     result = (*pCreateTextServices)(NULL, &dummyTextHost->ITextHost_iface, &init);
 626     ok(result == S_OK, "Did not return S_OK when created (result =  %x)\n", result);
 627     if (result != S_OK) {
 628         CoTaskMemFree(dummyTextHost);
 629         skip("CreateTextServices failed.\n");
 630         return FALSE;
 631     }
 632
 633     result = IUnknown_QueryInterface(init, pIID_ITextServices,
 634                                      (void **)&txtserv);
 635     ok((result == S_OK) && (txtserv != NULL), "Querying interface failed (result = %x, txtserv = %p)\n", result, txtserv);
 636     IUnknown_Release(init);
 637     if (!((result == S_OK) && (txtserv != NULL))) {
 638         CoTaskMemFree(dummyTextHost);
 639         skip("Could not retrieve ITextServices interface\n");
 640         return FALSE;
 641     }
 642
 643     return TRUE;
 644 }
 645
 646 static void free_texthost(void)
 647 {
 648     ITextServices_Release(txtserv);
 649     CoTaskMemFree(dummyTextHost);
 650 }
 651
 652 static void test_TxGetText(void)
 653 {
 654     HRESULT hres;
 655     BSTR rettext;
 656
 657     if (!init_texthost())
 658         return;
 659
 660     hres = ITextServices_TxGetText(txtserv, &rettext);
 661     ok(hres == S_OK, "ITextServices_TxGetText failed (result = %x)\n", hres);
 662
 663     free_texthost();
 664 }
 665
 666 static void test_TxSetText(void)
 667 {
 668     HRESULT hres;
 669     BSTR rettext;
 670     WCHAR settext[] = {'T','e','s','t',0};
 671
 672     if (!init_texthost())
 673         return;
 674
 675     hres = ITextServices_TxSetText(txtserv, settext);
 676     ok(hres == S_OK, "ITextServices_TxSetText failed (result = %x)\n", hres);
 677
 678     hres = ITextServices_TxGetText(txtserv, &rettext);
 679     ok(hres == S_OK, "ITextServices_TxGetText failed (result = %x)\n", hres);
 680
 681     ok(SysStringLen(rettext) == 4,
 682                  "String returned of wrong length (expected 4, got %d)\n", SysStringLen(rettext));
 683     ok(memcmp(rettext,settext,SysStringByteLen(rettext)) == 0,
 684                  "String returned differs\n");
 685
 686     SysFreeString(rettext);
 687     free_texthost();
 688 }
 689
 690 static void test_TxGetNaturalSize(void) {
 691     HRESULT result;
 692     BOOL ret;
 693
 694     /* This value is used when calling TxGetNaturalSize.  MSDN says
 695        that this is not supported however a null pointer cannot be
 696        used as it will cause a segmentation violation.  The values in
 697        the structure being pointed to are required to be INT_MAX
 698        otherwise calculations can give wrong values. */
 699     const SIZEL psizelExtent = {INT_MAX,INT_MAX};
 700
 701     static const WCHAR oneA[] = {'A',0};
 702
 703     /* Results of measurements */
 704     LONG xdim, ydim;
 705
 706     /* The device context to do the tests in */
 707     HDC hdcDraw;
 708
 709     /* Variables with the text metric information */
 710     INT charwidth_caps_text[26];
 711     TEXTMETRICA tmInfo_text;
 712
 713     if (!init_texthost())
 714         return;
 715
 716     hdcDraw = GetDC(NULL);
 717     SaveDC(hdcDraw);
 718
 719     /* Populate the metric strucs */
 720     SetMapMode(hdcDraw,MM_TEXT);
 721     GetTextMetricsA(hdcDraw, &tmInfo_text);
 722     SetLastError(0xdeadbeef);
 723     ret = GetCharWidth32A(hdcDraw,'A','Z',charwidth_caps_text);
 724     if (!ret && GetLastError() == ERROR_CALL_NOT_IMPLEMENTED) {
 725         win_skip("GetCharWidth32 is not available\n");
 726         goto cleanup;
 727     }
 728
 729     /* Make measurements in MM_TEXT */
 730     SetMapMode(hdcDraw,MM_TEXT);
 731     xdim = 0; ydim = 0;
 732
 733     result = ITextServices_TxSetText(txtserv, oneA);
 734     ok(result == S_OK, "ITextServices_TxSetText failed (result = %x)\n", result);
 735     if (result != S_OK) {
 736         skip("Could not set text\n");
 737         goto cleanup;
 738     }
 739
 740     SetLastError(0xdeadbeef);
 741     result = ITextServices_TxGetNaturalSize(txtserv, DVASPECT_CONTENT,
 742                                             hdcDraw, NULL, NULL,
 743                                             TXTNS_FITTOCONTENT, &psizelExtent,
 744                                             &xdim, &ydim);
 745     todo_wine ok(result == S_OK || broken(result == E_FAIL), /* WINXP Arabic Language */
 746         "TxGetNaturalSize gave unexpected return value (result = %x)\n", result);
 747     if (result == S_OK) {
 748     todo_wine ok(ydim == tmInfo_text.tmHeight,
 749                  "Height calculated incorrectly (expected %d, got %d)\n",
 750                  tmInfo_text.tmHeight, ydim);
 751     /* The native DLL adds one pixel extra when calculating widths. */
 752     todo_wine ok(xdim >= charwidth_caps_text[0] && xdim <= charwidth_caps_text[0] + 1,
 753                  "Width calculated incorrectly (expected %d {+1}, got %d)\n",
 754                  charwidth_caps_text[0], xdim);
 755     } else
 756         skip("TxGetNaturalSize measurements not performed (xdim = %d, ydim = %d, result = %x, error = %x)\n",
 757              xdim, ydim, result, GetLastError());
 758
 759 cleanup:
 760     RestoreDC(hdcDraw,1);
 761     ReleaseDC(NULL,hdcDraw);
 762     free_texthost();
 763 }
 764
 765 static void test_TxDraw(void)
 766 {
 767     HDC tmphdc = GetDC(NULL);
 768     DWORD dwAspect = DVASPECT_CONTENT;
 769     HDC hicTargetDev = NULL; /* Means "default" device */
 770     DVTARGETDEVICE *ptd = NULL;
 771     void *pvAspect = NULL;
 772     HRESULT result;
 773     RECTL client = {0,0,100,100};
 774
 775     if (!init_texthost())
 776         return;
 777
 778     todo_wine {
 779         result = ITextServices_TxDraw(txtserv, dwAspect, 0, pvAspect, ptd,
 780                                       tmphdc, hicTargetDev, &client, NULL,
 781                                       NULL, NULL, 0, 0);
 782         ok(result == S_OK, "TxDraw failed (result = %x)\n", result);
 783     }
 784
 785     free_texthost();
 786
 787 }
 788
 789 DEFINE_GUID(expected_iid_itextservices, 0x8d33f740, 0xcf58, 0x11ce, 0xa8, 0x9d, 0x00, 0xaa, 0x00, 0x6c, 0xad, 0xc5);
 790 DEFINE_GUID(expected_iid_itexthost, 0x13e670f4,0x1a5a,0x11cf,0xab,0xeb,0x00,0xaa,0x00,0xb6,0x5e,0xa1);
 791 DEFINE_GUID(expected_iid_itexthost2, 0x13e670f5,0x1a5a,0x11cf,0xab,0xeb,0x00,0xaa,0x00,0xb6,0x5e,0xa1);
 792
 793 static void test_IIDs(void)
 794 {
 795     ok(IsEqualIID(pIID_ITextServices, &expected_iid_itextservices),
 796        "unexpected value for IID_ITextServices: %s\n", wine_dbgstr_guid(pIID_ITextServices));
 797     ok(IsEqualIID(pIID_ITextHost, &expected_iid_itexthost),
 798        "unexpected value for IID_ITextHost: %s\n", wine_dbgstr_guid(pIID_ITextHost));
 799     ok(IsEqualIID(pIID_ITextHost2, &expected_iid_itexthost2),
 800        "unexpected value for IID_ITextHost2: %s\n", wine_dbgstr_guid(pIID_ITextHost2));
 801 }
 802
 803 /* Outer IUnknown for COM aggregation tests */
 804 struct unk_impl {
 805     IUnknown IUnknown_iface;
 806     LONG ref;
 807     IUnknown *inner_unk;
 808 };
 809
 810 static inline struct unk_impl *impl_from_IUnknown(IUnknown *iface)
 811 {
 812     return CONTAINING_RECORD(iface, struct unk_impl, IUnknown_iface);
 813 }
 814
 815 static HRESULT WINAPI unk_QueryInterface(IUnknown *iface, REFIID riid, void **ppv)
 816 {
 817     struct unk_impl *This = impl_from_IUnknown(iface);
 818
 819     return IUnknown_QueryInterface(This->inner_unk, riid, ppv);
 820 }
 821
 822 static ULONG WINAPI unk_AddRef(IUnknown *iface)
 823 {
 824     struct unk_impl *This = impl_from_IUnknown(iface);
 825
 826     return InterlockedIncrement(&This->ref);
 827 }
 828
 829 static ULONG WINAPI unk_Release(IUnknown *iface)
 830 {
 831     struct unk_impl *This = impl_from_IUnknown(iface);
 832
 833     return InterlockedDecrement(&This->ref);
 834 }
 835
 836 static const IUnknownVtbl unk_vtbl =
 837 {
 838     unk_QueryInterface,
 839     unk_AddRef,
 840     unk_Release
 841 };
 842
 843 static void test_COM(void)
 844 {
 845     struct unk_impl unk_obj = {{&unk_vtbl}, 19, NULL};
 846     struct ITextHostTestImpl texthost = {{&itextHostVtbl}, 1};
 847     ITextServices *textsrv;
 848     ULONG refcount;
 849     HRESULT hr;
 850
 851     /* COM aggregation */
 852     hr = pCreateTextServices(&unk_obj.IUnknown_iface, &texthost.ITextHost_iface,
 853                              &unk_obj.inner_unk);
 854     ok(hr == S_OK, "CreateTextServices failed: %08x\n", hr);
 855     hr = IUnknown_QueryInterface(unk_obj.inner_unk, pIID_ITextServices, (void**)&textsrv);
 856     ok(hr == S_OK, "QueryInterface for IID_ITextServices failed: %08x\n", hr);
 857     refcount = ITextServices_AddRef(textsrv);
 858     ok(refcount == unk_obj.ref, "CreateTextServices just pretends to support COM aggregation\n");
 859     refcount = ITextServices_Release(textsrv);
 860     ok(refcount == unk_obj.ref, "CreateTextServices just pretends to support COM aggregation\n");
 861     refcount = ITextServices_Release(textsrv);
 862     ok(refcount == 19, "Refcount should be back at 19 but is %u\n", refcount);
 863
 864     IUnknown_Release(unk_obj.inner_unk);
 865 }
 866
 867 static ULONG get_refcount(IUnknown *iface)
 868 {
 869     IUnknown_AddRef(iface);
 870     return IUnknown_Release(iface);
 871 }
 872
 873 static void test_QueryInterface(void)
 874 {
 875     HRESULT hres;
 876     IRichEditOle *reole, *txtsrv_reole;
 877     ITextDocument *txtdoc, *txtsrv_txtdoc;
 878     ULONG refcount;
 879
 880     if(!init_texthost())
 881         return;
 882
 883     refcount = get_refcount((IUnknown *)txtserv);
 884     ok(refcount == 1, "got wrong ref count: %d\n", refcount);
 885
 886     /* IID_IRichEditOle */
 887     hres = ITextServices_QueryInterface(txtserv, &IID_IRichEditOle, (void **)&txtsrv_reole);
 888     ok(hres == S_OK, "ITextServices_QueryInterface: 0x%08x\n", hres);
 889     refcount = get_refcount((IUnknown *)txtserv);
 890     ok(refcount == 2, "got wrong ref count: %d\n", refcount);
 891     refcount = get_refcount((IUnknown *)txtsrv_reole);
 892     ok(refcount == 2, "got wrong ref count: %d\n", refcount);
 893
 894     hres = IRichEditOle_QueryInterface(txtsrv_reole, &IID_ITextDocument, (void **)&txtdoc);
 895     ok(hres == S_OK, "IRichEditOle_QueryInterface: 0x%08x\n", hres);
 896     refcount = get_refcount((IUnknown *)txtserv);
 897     ok(refcount == 3, "got wrong ref count: %d\n", refcount);
 898     refcount = get_refcount((IUnknown *)txtsrv_reole);
 899     ok(refcount == 3, "got wrong ref count: %d\n", refcount);
 900
 901     ITextDocument_Release(txtdoc);
 902     refcount = get_refcount((IUnknown *)txtserv);
 903     ok(refcount == 2, "got wrong ref count: %d\n", refcount);
 904     IRichEditOle_Release(txtsrv_reole);
 905     refcount = get_refcount((IUnknown *)txtserv);
 906     ok(refcount == 1, "got wrong ref count: %d\n", refcount);
 907
 908     /* IID_ITextDocument */
 909     hres = ITextServices_QueryInterface(txtserv, &IID_ITextDocument, (void **)&txtsrv_txtdoc);
 910     ok(hres == S_OK, "ITextServices_QueryInterface: 0x%08x\n", hres);
 911     refcount = get_refcount((IUnknown *)txtserv);
 912     ok(refcount == 2, "got wrong ref count: %d\n", refcount);
 913     refcount = get_refcount((IUnknown *)txtsrv_txtdoc);
 914     ok(refcount == 2, "got wrong ref count: %d\n", refcount);
 915
 916     hres = ITextDocument_QueryInterface(txtsrv_txtdoc, &IID_IRichEditOle, (void **)&reole);
 917     ok(hres == S_OK, "ITextDocument_QueryInterface: 0x%08x\n", hres);
 918     refcount = get_refcount((IUnknown *)txtserv);
 919     ok(refcount == 3, "got wrong ref count: %d\n", refcount);
 920     refcount = get_refcount((IUnknown *)txtsrv_txtdoc);
 921     ok(refcount == 3, "got wrong ref count: %d\n", refcount);
 922
 923     IRichEditOle_Release(reole);
 924     refcount = get_refcount((IUnknown *)txtserv);
 925     ok(refcount == 2, "got wrong ref count: %d\n", refcount);
 926     ITextDocument_Release(txtsrv_txtdoc);
 927     refcount = get_refcount((IUnknown *)txtserv);
 928     ok(refcount == 1, "got wrong ref count: %d\n", refcount);
 929
 930     free_texthost();
 931 }
 932
 933 START_TEST( txtsrv )
 934 {
 935     setup_thiscall_wrappers();
 936
 937     /* Must explicitly LoadLibrary(). The test has no references to functions in
 938      * RICHED20.DLL, so the linker doesn't actually link to it. */
 939     hmoduleRichEdit = LoadLibraryA("riched20.dll");
 940     ok(hmoduleRichEdit != NULL, "error: %d\n", (int) GetLastError());
 941
 942     pIID_ITextServices = (IID*)GetProcAddress(hmoduleRichEdit, "IID_ITextServices");
 943     pIID_ITextHost = (IID*)GetProcAddress(hmoduleRichEdit, "IID_ITextHost");
 944     pIID_ITextHost2 = (IID*)GetProcAddress(hmoduleRichEdit, "IID_ITextHost2");
 945     pCreateTextServices = (void*)GetProcAddress(hmoduleRichEdit, "CreateTextServices");
 946
 947     test_IIDs();
 948     test_COM();
 949
 950     if (init_texthost())
 951     {
 952         free_texthost();
 953
 954         test_TxGetText();
 955         test_TxSetText();
 956         test_TxGetNaturalSize();
 957         test_TxDraw();
 958         test_QueryInterface();
 959     }
 960     if (wrapperCodeMem) VirtualFree(wrapperCodeMem, 0, MEM_RELEASE);
 961 }