dlls/msctf/range.c

   1 /*
   2  *  ITfRange implementation
   3  *
   4  *  Copyright 2009 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 <stdarg.h>
  22
  23 #define COBJMACROS
  24
  25 #include "wine/debug.h"
  26 #include "windef.h"
  27 #include "winbase.h"
  28 #include "winreg.h"
  29 #include "winuser.h"
  30 #include "shlwapi.h"
  31 #include "winerror.h"
  32 #include "objbase.h"
  33
  34 #include "msctf.h"
  35 #include "msctf_internal.h"
  36
  37 WINE_DEFAULT_DEBUG_CHANNEL(msctf);
  38
  39 typedef struct tagRange {
  40     ITfRangeACP ITfRangeACP_iface;
  41     LONG refCount;
  42
  43     ITfContext *context;
  44
  45     TfGravity gravityStart, gravityEnd;
  46     DWORD anchorStart, anchorEnd;
  47
  48 } Range;
  49
  50 static inline Range *impl_from_ITfRangeACP(ITfRangeACP *iface)
  51 {
  52     return CONTAINING_RECORD(iface, Range, ITfRangeACP_iface);
  53 }
  54
  55 static Range *unsafe_impl_from_ITfRange(ITfRange *iface)
  56 {
  57     return CONTAINING_RECORD(iface, Range, ITfRangeACP_iface);
  58 }
  59
  60 static void Range_Destructor(Range *This)
  61 {
  62     TRACE("destroying %p\n", This);
  63     ITfContext_Release(This->context);
  64     free(This);
  65 }
  66
  67 static HRESULT WINAPI Range_QueryInterface(ITfRangeACP *iface, REFIID iid, LPVOID *ppvOut)
  68 {
  69     Range *range = impl_from_ITfRangeACP(iface);
  70
  71     *ppvOut = NULL;
  72
  73     if (IsEqualIID(iid, &IID_IUnknown) ||
  74             IsEqualIID(iid, &IID_ITfRange) ||
  75             IsEqualIID(iid, &IID_ITfRangeACP))
  76     {
  77         *ppvOut = &range->ITfRangeACP_iface;
  78     }
  79
  80     if (*ppvOut)
  81     {
  82         ITfRangeACP_AddRef(iface);
  83         return S_OK;
  84     }
  85
  86     WARN("unsupported interface: %s\n", debugstr_guid(iid));
  87     return E_NOINTERFACE;
  88 }
  89
  90 static ULONG WINAPI Range_AddRef(ITfRangeACP *iface)
  91 {
  92     Range *range = impl_from_ITfRangeACP(iface);
  93     return InterlockedIncrement(&range->refCount);
  94 }
  95
  96 static ULONG WINAPI Range_Release(ITfRangeACP *iface)
  97 {
  98     Range *range = impl_from_ITfRangeACP(iface);
  99     ULONG ret;
 100
 101     ret = InterlockedDecrement(&range->refCount);
 102     if (ret == 0)
 103         Range_Destructor(range);
 104     return ret;
 105 }
 106
 107 static HRESULT WINAPI Range_GetText(ITfRangeACP *iface, TfEditCookie ec,
 108         DWORD dwFlags, WCHAR *pchText, ULONG cchMax, ULONG *pcch)
 109 {
 110     FIXME("STUB:(%p)\n", iface);
 111     return E_NOTIMPL;
 112 }
 113
 114 static HRESULT WINAPI Range_SetText(ITfRangeACP *iface, TfEditCookie ec,
 115          DWORD dwFlags, const WCHAR *pchText, LONG cch)
 116 {
 117     FIXME("STUB:(%p)\n", iface);
 118     return E_NOTIMPL;
 119 }
 120
 121 static HRESULT WINAPI Range_GetFormattedText(ITfRangeACP *iface, TfEditCookie ec,
 122         IDataObject **ppDataObject)
 123 {
 124     FIXME("STUB:(%p)\n", iface);
 125     return E_NOTIMPL;
 126 }
 127
 128 static HRESULT WINAPI Range_GetEmbedded(ITfRangeACP *iface, TfEditCookie ec,
 129         REFGUID rguidService, REFIID riid, IUnknown **ppunk)
 130 {
 131     FIXME("STUB:(%p)\n", iface);
 132     return E_NOTIMPL;
 133 }
 134
 135 static HRESULT WINAPI Range_InsertEmbedded(ITfRangeACP *iface, TfEditCookie ec,
 136         DWORD dwFlags, IDataObject *pDataObject)
 137 {
 138     FIXME("STUB:(%p)\n", iface);
 139     return E_NOTIMPL;
 140 }
 141
 142 static HRESULT WINAPI Range_ShiftStart(ITfRangeACP *iface, TfEditCookie ec,
 143         LONG cchReq, LONG *pcch, const TF_HALTCOND *pHalt)
 144 {
 145     FIXME("STUB:(%p)\n", iface);
 146     return E_NOTIMPL;
 147 }
 148
 149 static HRESULT WINAPI Range_ShiftEnd(ITfRangeACP *iface, TfEditCookie ec,
 150         LONG cchReq, LONG *pcch, const TF_HALTCOND *pHalt)
 151 {
 152     FIXME("STUB:(%p)\n", iface);
 153     return E_NOTIMPL;
 154 }
 155
 156 static HRESULT WINAPI Range_ShiftStartToRange(ITfRangeACP *iface, TfEditCookie ec,
 157         ITfRange *pRange, TfAnchor aPos)
 158 {
 159     FIXME("STUB:(%p)\n", iface);
 160     return E_NOTIMPL;
 161 }
 162
 163 static HRESULT WINAPI Range_ShiftEndToRange(ITfRangeACP *iface, TfEditCookie ec,
 164         ITfRange *pRange, TfAnchor aPos)
 165 {
 166     FIXME("STUB:(%p)\n", iface);
 167     return E_NOTIMPL;
 168 }
 169
 170 static HRESULT WINAPI Range_ShiftStartRegion(ITfRangeACP *iface, TfEditCookie ec,
 171         TfShiftDir dir, BOOL *pfNoRegion)
 172 {
 173     FIXME("STUB:(%p)\n", iface);
 174     return E_NOTIMPL;
 175 }
 176
 177 static HRESULT WINAPI Range_ShiftEndRegion(ITfRangeACP *iface, TfEditCookie ec,
 178         TfShiftDir dir, BOOL *pfNoRegion)
 179 {
 180     FIXME("STUB:(%p)\n", iface);
 181     return E_NOTIMPL;
 182 }
 183
 184 static HRESULT WINAPI Range_IsEmpty(ITfRangeACP *iface, TfEditCookie ec,
 185         BOOL *pfEmpty)
 186 {
 187     FIXME("STUB:(%p)\n", iface);
 188     return E_NOTIMPL;
 189 }
 190
 191 static HRESULT WINAPI Range_Collapse(ITfRangeACP *iface, TfEditCookie ec,
 192         TfAnchor aPos)
 193 {
 194     Range *range = impl_from_ITfRangeACP(iface);
 195
 196     TRACE("%p, %li, %i.\n", iface, ec, aPos);
 197
 198     switch (aPos)
 199     {
 200         case TF_ANCHOR_START:
 201             range->anchorEnd = range->anchorStart;
 202             break;
 203         case TF_ANCHOR_END:
 204             range->anchorStart = range->anchorEnd;
 205             break;
 206         default:
 207             return E_INVALIDARG;
 208     }
 209
 210     return S_OK;
 211 }
 212
 213 static HRESULT WINAPI Range_IsEqualStart(ITfRangeACP *iface, TfEditCookie ec,
 214         ITfRange *pWith, TfAnchor aPos, BOOL *pfEqual)
 215 {
 216     FIXME("STUB:(%p)\n", iface);
 217     return E_NOTIMPL;
 218 }
 219
 220 static HRESULT WINAPI Range_IsEqualEnd(ITfRangeACP *iface, TfEditCookie ec,
 221         ITfRange *pWith, TfAnchor aPos, BOOL *pfEqual)
 222 {
 223     FIXME("STUB:(%p)\n", iface);
 224     return E_NOTIMPL;
 225 }
 226
 227 static HRESULT WINAPI Range_CompareStart(ITfRangeACP *iface, TfEditCookie ec,
 228         ITfRange *pWith, TfAnchor aPos, LONG *plResult)
 229 {
 230     FIXME("STUB:(%p)\n", iface);
 231     return E_NOTIMPL;
 232 }
 233
 234 static HRESULT WINAPI Range_CompareEnd(ITfRangeACP *iface, TfEditCookie ec,
 235         ITfRange *pWith, TfAnchor aPos, LONG *plResult)
 236 {
 237     FIXME("STUB:(%p)\n", iface);
 238     return E_NOTIMPL;
 239 }
 240
 241 static HRESULT WINAPI Range_AdjustForInsert(ITfRangeACP *iface, TfEditCookie ec,
 242         ULONG cchInsert, BOOL *pfInsertOk)
 243 {
 244     FIXME("STUB:(%p)\n", iface);
 245     return E_NOTIMPL;
 246 }
 247
 248 static HRESULT WINAPI Range_GetGravity(ITfRangeACP *iface,
 249         TfGravity *pgStart, TfGravity *pgEnd)
 250 {
 251     FIXME("STUB:(%p)\n", iface);
 252     return E_NOTIMPL;
 253 }
 254
 255 static HRESULT WINAPI Range_SetGravity(ITfRangeACP *iface, TfEditCookie ec,
 256          TfGravity gStart, TfGravity gEnd)
 257 {
 258     FIXME("STUB:(%p)\n", iface);
 259     return E_NOTIMPL;
 260 }
 261
 262 static HRESULT WINAPI Range_Clone(ITfRangeACP *iface, ITfRange **ppClone)
 263 {
 264     FIXME("STUB:(%p)\n", iface);
 265     return E_NOTIMPL;
 266 }
 267
 268 static HRESULT WINAPI Range_GetContext(ITfRangeACP *iface, ITfContext **context)
 269 {
 270     Range *range = impl_from_ITfRangeACP(iface);
 271
 272     TRACE("%p, %p.\n", iface, context);
 273
 274     if (!context)
 275         return E_INVALIDARG;
 276
 277     *context = range->context;
 278     ITfContext_AddRef(*context);
 279
 280     return S_OK;
 281 }
 282
 283 static HRESULT WINAPI Range_GetExtent(ITfRangeACP *iface, LONG *anchor, LONG *count)
 284 {
 285     FIXME("%p, %p, %p.\n", iface, anchor, count);
 286
 287     return E_NOTIMPL;
 288 }
 289
 290 static HRESULT WINAPI Range_SetExtent(ITfRangeACP *iface, LONG anchor, LONG count)
 291 {
 292     FIXME("%p, %ld, %ld.\n", iface, anchor, count);
 293
 294     return E_NOTIMPL;
 295 }
 296
 297 static const ITfRangeACPVtbl rangevtbl =
 298 {
 299     Range_QueryInterface,
 300     Range_AddRef,
 301     Range_Release,
 302     Range_GetText,
 303     Range_SetText,
 304     Range_GetFormattedText,
 305     Range_GetEmbedded,
 306     Range_InsertEmbedded,
 307     Range_ShiftStart,
 308     Range_ShiftEnd,
 309     Range_ShiftStartToRange,
 310     Range_ShiftEndToRange,
 311     Range_ShiftStartRegion,
 312     Range_ShiftEndRegion,
 313     Range_IsEmpty,
 314     Range_Collapse,
 315     Range_IsEqualStart,
 316     Range_IsEqualEnd,
 317     Range_CompareStart,
 318     Range_CompareEnd,
 319     Range_AdjustForInsert,
 320     Range_GetGravity,
 321     Range_SetGravity,
 322     Range_Clone,
 323     Range_GetContext,
 324     Range_GetExtent,
 325     Range_SetExtent,
 326 };
 327
 328 HRESULT Range_Constructor(ITfContext *context, DWORD anchorStart, DWORD anchorEnd, ITfRange **ppOut)
 329 {
 330     Range *This;
 331
 332     This = calloc(1, sizeof(Range));
 333     if (This == NULL)
 334         return E_OUTOFMEMORY;
 335
 336     TRACE("(%p) %p\n", This, context);
 337
 338     This->ITfRangeACP_iface.lpVtbl = &rangevtbl;
 339     This->refCount = 1;
 340     This->context = context;
 341     ITfContext_AddRef(This->context);
 342     This->anchorStart = anchorStart;
 343     This->anchorEnd = anchorEnd;
 344
 345     *ppOut = (ITfRange *)&This->ITfRangeACP_iface;
 346
 347     TRACE("returning %p\n", *ppOut);
 348
 349     return S_OK;
 350 }
 351
 352 /* Internal conversion functions */
 353
 354 HRESULT TF_SELECTION_to_TS_SELECTION_ACP(const TF_SELECTION *tf, TS_SELECTION_ACP *tsAcp)
 355 {
 356     Range *This;
 357
 358     if (!tf || !tsAcp || !tf->range)
 359         return E_INVALIDARG;
 360
 361     This = unsafe_impl_from_ITfRange(tf->range);
 362
 363     tsAcp->acpStart = This->anchorStart;
 364     tsAcp->acpEnd = This->anchorEnd;
 365     tsAcp->style.ase = tf->style.ase;
 366     tsAcp->style.fInterimChar = tf->style.fInterimChar;
 367     return S_OK;
 368 }