xref: /reactos/dll/win32/msctf/range.c (revision bd712186)
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     ITfRange ITfRange_iface;
41     /* const ITfRangeACPVtb *RangeACPVtbl; */
42     LONG refCount;
43 
44     ITextStoreACP   *pITextStoreACP;
45     ITfContext      *pITfContext;
46 
47     DWORD lockType;
48     TfGravity gravityStart, gravityEnd;
49     DWORD anchorStart, anchorEnd;
50 
51 } Range;
52 
53 static inline Range *impl_from_ITfRange(ITfRange *iface)
54 {
55     return CONTAINING_RECORD(iface, Range, ITfRange_iface);
56 }
57 
58 static void Range_Destructor(Range *This)
59 {
60     TRACE("destroying %p\n", This);
61     HeapFree(GetProcessHeap(),0,This);
62 }
63 
64 static HRESULT WINAPI Range_QueryInterface(ITfRange *iface, REFIID iid, LPVOID *ppvOut)
65 {
66     Range *This = impl_from_ITfRange(iface);
67     *ppvOut = NULL;
68 
69     if (IsEqualIID(iid, &IID_IUnknown) || IsEqualIID(iid, &IID_ITfRange))
70     {
71         *ppvOut = &This->ITfRange_iface;
72     }
73 
74     if (*ppvOut)
75     {
76         ITfRange_AddRef(iface);
77         return S_OK;
78     }
79 
80     WARN("unsupported interface: %s\n", debugstr_guid(iid));
81     return E_NOINTERFACE;
82 }
83 
84 static ULONG WINAPI Range_AddRef(ITfRange *iface)
85 {
86     Range *This = impl_from_ITfRange(iface);
87     return InterlockedIncrement(&This->refCount);
88 }
89 
90 static ULONG WINAPI Range_Release(ITfRange *iface)
91 {
92     Range *This = impl_from_ITfRange(iface);
93     ULONG ret;
94 
95     ret = InterlockedDecrement(&This->refCount);
96     if (ret == 0)
97         Range_Destructor(This);
98     return ret;
99 }
100 
101 /*****************************************************
102  * ITfRange functions
103  *****************************************************/
104 
105 static HRESULT WINAPI Range_GetText(ITfRange *iface, TfEditCookie ec,
106         DWORD dwFlags, WCHAR *pchText, ULONG cchMax, ULONG *pcch)
107 {
108     Range *This = impl_from_ITfRange(iface);
109     FIXME("STUB:(%p)\n",This);
110     return E_NOTIMPL;
111 }
112 
113 static HRESULT WINAPI Range_SetText(ITfRange *iface, TfEditCookie ec,
114          DWORD dwFlags, const WCHAR *pchText, LONG cch)
115 {
116     Range *This = impl_from_ITfRange(iface);
117     FIXME("STUB:(%p)\n",This);
118     return E_NOTIMPL;
119 }
120 
121 static HRESULT WINAPI Range_GetFormattedText(ITfRange *iface, TfEditCookie ec,
122         IDataObject **ppDataObject)
123 {
124     Range *This = impl_from_ITfRange(iface);
125     FIXME("STUB:(%p)\n",This);
126     return E_NOTIMPL;
127 }
128 
129 static HRESULT WINAPI Range_GetEmbedded(ITfRange *iface, TfEditCookie ec,
130         REFGUID rguidService, REFIID riid, IUnknown **ppunk)
131 {
132     Range *This = impl_from_ITfRange(iface);
133     FIXME("STUB:(%p)\n",This);
134     return E_NOTIMPL;
135 }
136 
137 static HRESULT WINAPI Range_InsertEmbedded(ITfRange *iface, TfEditCookie ec,
138         DWORD dwFlags, IDataObject *pDataObject)
139 {
140     Range *This = impl_from_ITfRange(iface);
141     FIXME("STUB:(%p)\n",This);
142     return E_NOTIMPL;
143 }
144 
145 static HRESULT WINAPI Range_ShiftStart(ITfRange *iface, TfEditCookie ec,
146         LONG cchReq, LONG *pcch, const TF_HALTCOND *pHalt)
147 {
148     Range *This = impl_from_ITfRange(iface);
149     FIXME("STUB:(%p)\n",This);
150     return E_NOTIMPL;
151 }
152 
153 static HRESULT WINAPI Range_ShiftEnd(ITfRange *iface, TfEditCookie ec,
154         LONG cchReq, LONG *pcch, const TF_HALTCOND *pHalt)
155 {
156     Range *This = impl_from_ITfRange(iface);
157     FIXME("STUB:(%p)\n",This);
158     return E_NOTIMPL;
159 }
160 
161 static HRESULT WINAPI Range_ShiftStartToRange(ITfRange *iface, TfEditCookie ec,
162         ITfRange *pRange, TfAnchor aPos)
163 {
164     Range *This = impl_from_ITfRange(iface);
165     FIXME("STUB:(%p)\n",This);
166     return E_NOTIMPL;
167 }
168 
169 static HRESULT WINAPI Range_ShiftEndToRange(ITfRange *iface, TfEditCookie ec,
170         ITfRange *pRange, TfAnchor aPos)
171 {
172     Range *This = impl_from_ITfRange(iface);
173     FIXME("STUB:(%p)\n",This);
174     return E_NOTIMPL;
175 }
176 
177 static HRESULT WINAPI Range_ShiftStartRegion(ITfRange *iface, TfEditCookie ec,
178         TfShiftDir dir, BOOL *pfNoRegion)
179 {
180     Range *This = impl_from_ITfRange(iface);
181     FIXME("STUB:(%p)\n",This);
182     return E_NOTIMPL;
183 }
184 
185 static HRESULT WINAPI Range_ShiftEndRegion(ITfRange *iface, TfEditCookie ec,
186         TfShiftDir dir, BOOL *pfNoRegion)
187 {
188     Range *This = impl_from_ITfRange(iface);
189     FIXME("STUB:(%p)\n",This);
190     return E_NOTIMPL;
191 }
192 
193 static HRESULT WINAPI Range_IsEmpty(ITfRange *iface, TfEditCookie ec,
194         BOOL *pfEmpty)
195 {
196     Range *This = impl_from_ITfRange(iface);
197     FIXME("STUB:(%p)\n",This);
198     return E_NOTIMPL;
199 }
200 
201 static HRESULT WINAPI Range_Collapse(ITfRange *iface, TfEditCookie ec,
202         TfAnchor aPos)
203 {
204     Range *This = impl_from_ITfRange(iface);
205     TRACE("(%p) %i %i\n",This,ec,aPos);
206 
207     switch (aPos)
208     {
209         case TF_ANCHOR_START:
210             This->anchorEnd = This->anchorStart;
211             break;
212         case TF_ANCHOR_END:
213             This->anchorStart = This->anchorEnd;
214             break;
215         default:
216             return E_INVALIDARG;
217     }
218 
219     return S_OK;
220 }
221 
222 static HRESULT WINAPI Range_IsEqualStart(ITfRange *iface, TfEditCookie ec,
223         ITfRange *pWith, TfAnchor aPos, BOOL *pfEqual)
224 {
225     Range *This = impl_from_ITfRange(iface);
226     FIXME("STUB:(%p)\n",This);
227     return E_NOTIMPL;
228 }
229 
230 static HRESULT WINAPI Range_IsEqualEnd(ITfRange *iface, TfEditCookie ec,
231         ITfRange *pWith, TfAnchor aPos, BOOL *pfEqual)
232 {
233     Range *This = impl_from_ITfRange(iface);
234     FIXME("STUB:(%p)\n",This);
235     return E_NOTIMPL;
236 }
237 
238 static HRESULT WINAPI Range_CompareStart(ITfRange *iface, TfEditCookie ec,
239         ITfRange *pWith, TfAnchor aPos, LONG *plResult)
240 {
241     Range *This = impl_from_ITfRange(iface);
242     FIXME("STUB:(%p)\n",This);
243     return E_NOTIMPL;
244 }
245 
246 static HRESULT WINAPI Range_CompareEnd(ITfRange *iface, TfEditCookie ec,
247         ITfRange *pWith, TfAnchor aPos, LONG *plResult)
248 {
249     Range *This = impl_from_ITfRange(iface);
250     FIXME("STUB:(%p)\n",This);
251     return E_NOTIMPL;
252 }
253 
254 static HRESULT WINAPI Range_AdjustForInsert(ITfRange *iface, TfEditCookie ec,
255         ULONG cchInsert, BOOL *pfInsertOk)
256 {
257     Range *This = impl_from_ITfRange(iface);
258     FIXME("STUB:(%p)\n",This);
259     return E_NOTIMPL;
260 }
261 
262 static HRESULT WINAPI Range_GetGravity(ITfRange *iface,
263         TfGravity *pgStart, TfGravity *pgEnd)
264 {
265     Range *This = impl_from_ITfRange(iface);
266     FIXME("STUB:(%p)\n",This);
267     return E_NOTIMPL;
268 }
269 
270 static HRESULT WINAPI Range_SetGravity(ITfRange *iface, TfEditCookie ec,
271          TfGravity gStart, TfGravity gEnd)
272 {
273     Range *This = impl_from_ITfRange(iface);
274     FIXME("STUB:(%p)\n",This);
275     return E_NOTIMPL;
276 }
277 
278 static HRESULT WINAPI Range_Clone(ITfRange *iface, ITfRange **ppClone)
279 {
280     Range *This = impl_from_ITfRange(iface);
281     FIXME("STUB:(%p)\n",This);
282     return E_NOTIMPL;
283 }
284 
285 static HRESULT WINAPI Range_GetContext(ITfRange *iface, ITfContext **ppContext)
286 {
287     Range *This = impl_from_ITfRange(iface);
288     TRACE("(%p)\n",This);
289     if (!ppContext)
290         return E_INVALIDARG;
291     *ppContext = This->pITfContext;
292     return S_OK;
293 }
294 
295 static const ITfRangeVtbl Range_RangeVtbl =
296 {
297     Range_QueryInterface,
298     Range_AddRef,
299     Range_Release,
300 
301     Range_GetText,
302     Range_SetText,
303     Range_GetFormattedText,
304     Range_GetEmbedded,
305     Range_InsertEmbedded,
306     Range_ShiftStart,
307     Range_ShiftEnd,
308     Range_ShiftStartToRange,
309     Range_ShiftEndToRange,
310     Range_ShiftStartRegion,
311     Range_ShiftEndRegion,
312     Range_IsEmpty,
313     Range_Collapse,
314     Range_IsEqualStart,
315     Range_IsEqualEnd,
316     Range_CompareStart,
317     Range_CompareEnd,
318     Range_AdjustForInsert,
319     Range_GetGravity,
320     Range_SetGravity,
321     Range_Clone,
322     Range_GetContext
323 };
324 
325 HRESULT Range_Constructor(ITfContext *context, ITextStoreACP *textstore, DWORD lockType, DWORD anchorStart, DWORD anchorEnd, ITfRange **ppOut)
326 {
327     Range *This;
328 
329     This = HeapAlloc(GetProcessHeap(),HEAP_ZERO_MEMORY,sizeof(Range));
330     if (This == NULL)
331         return E_OUTOFMEMORY;
332 
333     TRACE("(%p) %p %p\n",This, context, textstore);
334 
335     This->ITfRange_iface.lpVtbl = &Range_RangeVtbl;
336     This->refCount = 1;
337     This->pITfContext = context;
338     This->pITextStoreACP = textstore;
339     This->lockType = lockType;
340     This->anchorStart = anchorStart;
341     This->anchorEnd = anchorEnd;
342 
343     *ppOut = &This->ITfRange_iface;
344     TRACE("returning %p\n", *ppOut);
345 
346     return S_OK;
347 }
348 
349 /* Internal conversion functions */
350 
351 HRESULT TF_SELECTION_to_TS_SELECTION_ACP(const TF_SELECTION *tf, TS_SELECTION_ACP *tsAcp)
352 {
353     Range *This;
354 
355     if (!tf || !tsAcp || !tf->range)
356         return E_INVALIDARG;
357 
358     This = impl_from_ITfRange(tf->range);
359 
360     tsAcp->acpStart = This->anchorStart;
361     tsAcp->acpEnd = This->anchorEnd;
362     tsAcp->style.ase = tf->style.ase;
363     tsAcp->style.fInterimChar = tf->style.fInterimChar;
364     return S_OK;
365 }
366