Mercurial > vim
annotate src/if_ole.cpp @ 2410:8f6106dd3d12 vim73
Fix: editing a not encrypted file after a crypted file messed up reading the
text from an undo file.
author | Bram Moolenaar <bram@vim.org> |
---|---|
date | Sun, 25 Jul 2010 16:05:19 +0200 |
parents | a0cce15dd2a9 |
children | 499bff609a86 |
rev | line source |
---|---|
7 | 1 /* vi:set ts=8 sts=4 sw=4: |
2 * | |
3 * VIM - Vi IMproved by Bram Moolenaar | |
4 * | |
5 * Do ":help uganda" in Vim to read copying and usage conditions. | |
6 * Do ":help credits" in Vim to see a list of people who contributed. | |
7 */ | |
8 | |
9 #if defined(FEAT_OLE) && defined(FEAT_GUI_W32) | |
10 /* | |
11 * OLE server implementation. | |
12 * | |
13 * See os_mswin.c for the client side. | |
14 */ | |
15 | |
931 | 16 /* |
17 * We have some trouble with order of includes here. For Borland it needs to | |
18 * be different from MSVC... | |
19 */ | |
20 #ifndef __BORLANDC__ | |
919 | 21 extern "C" { |
931 | 22 # include "vim.h" |
919 | 23 } |
931 | 24 #endif |
919 | 25 |
7 | 26 #include <windows.h> |
27 #include <oleauto.h> | |
28 | |
29 extern "C" { | |
931 | 30 #ifdef __BORLANDC__ |
31 # include "vim.h" | |
32 #endif | |
7 | 33 extern HWND s_hwnd; |
34 extern HWND vim_parent_hwnd; | |
35 } | |
36 | |
2224
a0cce15dd2a9
Fix definition of UINT_PTR for 64 bit systems.
Bram Moolenaar <bram@vim.org>
parents:
1791
diff
changeset
|
37 #if (defined(_MSC_VER) && _MSC_VER < 1300) || !defined(MAXULONG_PTR) |
1569 | 38 /* Work around old versions of basetsd.h which wrongly declares |
39 * UINT_PTR as unsigned long */ | |
2224
a0cce15dd2a9
Fix definition of UINT_PTR for 64 bit systems.
Bram Moolenaar <bram@vim.org>
parents:
1791
diff
changeset
|
40 # undef UINT_PTR |
1569 | 41 # define UINT_PTR UINT |
42 #endif | |
43 | |
7 | 44 #include "if_ole.h" // Interface definitions |
45 #include "iid_ole.c" // UUID definitions (compile here) | |
46 | |
47 /* Supply function prototype to work around bug in Mingw oleauto.h header */ | |
48 #ifdef __MINGW32__ | |
49 WINOLEAUTAPI UnRegisterTypeLib(REFGUID libID, WORD wVerMajor, | |
50 WORD wVerMinor, LCID lcid, SYSKIND syskind); | |
51 #endif | |
52 | |
53 /***************************************************************************** | |
54 1. Internal definitions for this file | |
55 *****************************************************************************/ | |
56 | |
57 class CVim; | |
58 class CVimCF; | |
59 | |
60 /* Internal data */ | |
61 // The identifier of the registered class factory | |
62 static unsigned long cf_id = 0; | |
63 | |
64 // The identifier of the running application object | |
65 static unsigned long app_id = 0; | |
66 | |
67 // The single global instance of the class factory | |
68 static CVimCF *cf = 0; | |
69 | |
70 // The single global instance of the application object | |
71 static CVim *app = 0; | |
72 | |
73 /* GUIDs, versions and type library information */ | |
74 #define MYCLSID CLSID_Vim | |
75 #define MYLIBID LIBID_Vim | |
76 #define MYIID IID_IVim | |
77 | |
78 #define MAJORVER 1 | |
79 #define MINORVER 0 | |
80 #define LOCALE 0x0409 | |
81 | |
82 #define MYNAME "Vim" | |
83 #define MYPROGID "Vim.Application.1" | |
84 #define MYVIPROGID "Vim.Application" | |
85 | |
86 #define MAX_CLSID_LEN 100 | |
87 | |
88 /***************************************************************************** | |
89 2. The application object | |
90 *****************************************************************************/ | |
91 | |
92 /* Definition | |
93 * ---------- | |
94 */ | |
95 | |
96 class CVim : public IVim | |
97 { | |
98 public: | |
99 ~CVim(); | |
380 | 100 static CVim *Create(int *pbDoRestart); |
7 | 101 |
102 // IUnknown members | |
103 STDMETHOD(QueryInterface)(REFIID riid, void ** ppv); | |
104 STDMETHOD_(unsigned long, AddRef)(void); | |
105 STDMETHOD_(unsigned long, Release)(void); | |
106 | |
107 // IDispatch members | |
108 STDMETHOD(GetTypeInfoCount)(UINT *pCount); | |
109 STDMETHOD(GetTypeInfo)(UINT iTypeInfo, LCID, ITypeInfo **ppITypeInfo); | |
380 | 110 STDMETHOD(GetIDsOfNames)(const IID &iid, OLECHAR **names, UINT n, LCID, DISPID *dispids); |
111 STDMETHOD(Invoke)(DISPID member, const IID &iid, LCID, WORD flags, DISPPARAMS *dispparams, VARIANT *result, EXCEPINFO *excepinfo, UINT *argerr); | |
7 | 112 |
113 // IVim members | |
114 STDMETHOD(SendKeys)(BSTR keys); | |
115 STDMETHOD(Eval)(BSTR expr, BSTR *result); | |
116 STDMETHOD(SetForeground)(void); | |
1569 | 117 STDMETHOD(GetHwnd)(UINT_PTR *result); |
7 | 118 |
119 private: | |
120 // Constructor is private - create using CVim::Create() | |
121 CVim() : ref(0), typeinfo(0) {}; | |
122 | |
123 // Reference count | |
124 unsigned long ref; | |
125 | |
126 // The object's TypeInfo | |
127 ITypeInfo *typeinfo; | |
128 }; | |
129 | |
130 /* Implementation | |
131 * -------------- | |
132 */ | |
133 | |
380 | 134 CVim *CVim::Create(int *pbDoRestart) |
7 | 135 { |
136 HRESULT hr; | |
137 CVim *me = 0; | |
138 ITypeLib *typelib = 0; | |
139 ITypeInfo *typeinfo = 0; | |
140 | |
141 *pbDoRestart = FALSE; | |
142 | |
143 // Create the object | |
144 me = new CVim(); | |
145 if (me == NULL) | |
146 { | |
147 MessageBox(0, "Cannot create application object", "Vim Initialisation", 0); | |
148 return NULL; | |
149 } | |
150 | |
151 // Load the type library from the registry | |
152 hr = LoadRegTypeLib(MYLIBID, 1, 0, 0x00, &typelib); | |
153 if (FAILED(hr)) | |
154 { | |
155 HKEY hKey; | |
156 | |
157 // Check we can write to the registry. | |
158 // RegCreateKeyEx succeeds even if key exists. W.Briscoe W2K 20021011 | |
159 if (RegCreateKeyEx(HKEY_CLASSES_ROOT, MYVIPROGID, 0, NULL, | |
160 REG_OPTION_NON_VOLATILE, KEY_ALL_ACCESS, NULL, &hKey, NULL)) | |
161 { | |
162 delete me; | |
163 return NULL; // Unable to write to registry. Quietly fail. | |
164 } | |
165 RegCloseKey(hKey); | |
166 | |
167 if (MessageBox(0, "Cannot load registered type library.\nDo you want to register Vim now?", | |
168 "Vim Initialisation", MB_YESNO | MB_ICONQUESTION) != IDYES) | |
169 { | |
170 delete me; | |
171 return NULL; | |
172 } | |
173 | |
174 RegisterMe(FALSE); | |
175 | |
176 // Load the type library from the registry | |
177 hr = LoadRegTypeLib(MYLIBID, 1, 0, 0x00, &typelib); | |
178 if (FAILED(hr)) | |
179 { | |
180 MessageBox(0, "You must restart Vim in order for the registration to take effect.", | |
181 "Vim Initialisation", 0); | |
182 *pbDoRestart = TRUE; | |
183 delete me; | |
184 return NULL; | |
185 } | |
186 } | |
187 | |
188 // Get the type info of the vtable interface | |
189 hr = typelib->GetTypeInfoOfGuid(MYIID, &typeinfo); | |
190 typelib->Release(); | |
191 | |
192 if (FAILED(hr)) | |
193 { | |
194 MessageBox(0, "Cannot get interface type information", | |
195 "Vim Initialisation", 0); | |
196 delete me; | |
197 return NULL; | |
198 } | |
199 | |
200 // Save the type information | |
201 me->typeinfo = typeinfo; | |
202 return me; | |
203 } | |
204 | |
205 CVim::~CVim() | |
206 { | |
207 if (typeinfo && vim_parent_hwnd == NULL) | |
208 typeinfo->Release(); | |
380 | 209 typeinfo = 0; |
7 | 210 } |
211 | |
212 STDMETHODIMP | |
213 CVim::QueryInterface(REFIID riid, void **ppv) | |
214 { | |
215 if (IsEqualIID(riid, IID_IUnknown) || IsEqualIID(riid, IID_IDispatch) || IsEqualIID(riid, MYIID)) | |
216 { | |
217 AddRef(); | |
218 *ppv = this; | |
219 return S_OK; | |
220 } | |
221 | |
222 *ppv = 0; | |
223 return E_NOINTERFACE; | |
224 } | |
225 | |
226 STDMETHODIMP_(ULONG) | |
227 CVim::AddRef() | |
228 { | |
229 return ++ref; | |
230 } | |
231 | |
232 STDMETHODIMP_(ULONG) | |
233 CVim::Release() | |
234 { | |
235 // Don't delete the object when the reference count reaches zero, as there | |
236 // is only a single application object, and its lifetime is controlled by | |
237 // the running instance, not by its reference count. | |
238 if (ref > 0) | |
239 --ref; | |
240 return ref; | |
241 } | |
242 | |
243 STDMETHODIMP | |
244 CVim::GetTypeInfoCount(UINT *pCount) | |
245 { | |
246 *pCount = 1; | |
247 return S_OK; | |
248 } | |
249 | |
250 STDMETHODIMP | |
251 CVim::GetTypeInfo(UINT iTypeInfo, LCID, ITypeInfo **ppITypeInfo) | |
252 { | |
253 *ppITypeInfo = 0; | |
254 | |
255 if (iTypeInfo != 0) | |
256 return DISP_E_BADINDEX; | |
257 | |
258 typeinfo->AddRef(); | |
259 *ppITypeInfo = typeinfo; | |
260 return S_OK; | |
261 } | |
262 | |
263 STDMETHODIMP | |
264 CVim::GetIDsOfNames( | |
380 | 265 const IID &iid, |
266 OLECHAR **names, | |
7 | 267 UINT n, |
268 LCID, | |
269 DISPID *dispids) | |
270 { | |
271 if (iid != IID_NULL) | |
272 return DISP_E_UNKNOWNINTERFACE; | |
273 | |
274 return typeinfo->GetIDsOfNames(names, n, dispids); | |
275 } | |
276 | |
277 STDMETHODIMP | |
278 CVim::Invoke( | |
279 DISPID member, | |
380 | 280 const IID &iid, |
7 | 281 LCID, |
282 WORD flags, | |
283 DISPPARAMS *dispparams, | |
284 VARIANT *result, | |
285 EXCEPINFO *excepinfo, | |
286 UINT *argerr) | |
287 { | |
288 if (iid != IID_NULL) | |
289 return DISP_E_UNKNOWNINTERFACE; | |
290 | |
291 ::SetErrorInfo(0, NULL); | |
292 return typeinfo->Invoke(static_cast<IDispatch*>(this), | |
293 member, flags, dispparams, | |
294 result, excepinfo, argerr); | |
295 } | |
296 | |
297 STDMETHODIMP | |
1569 | 298 CVim::GetHwnd(UINT_PTR *result) |
7 | 299 { |
1569 | 300 *result = (UINT_PTR)s_hwnd; |
7 | 301 return S_OK; |
302 } | |
303 | |
304 STDMETHODIMP | |
305 CVim::SetForeground(void) | |
306 { | |
307 /* Make the Vim window come to the foreground */ | |
308 gui_mch_set_foreground(); | |
309 return S_OK; | |
310 } | |
311 | |
312 STDMETHODIMP | |
313 CVim::SendKeys(BSTR keys) | |
314 { | |
315 int len; | |
316 char *buffer; | |
317 char_u *str; | |
318 char_u *ptr; | |
319 | |
320 /* Get a suitable buffer */ | |
321 len = WideCharToMultiByte(CP_ACP, 0, keys, -1, 0, 0, 0, 0); | |
322 buffer = (char *)alloc(len+1); | |
323 | |
324 if (buffer == NULL) | |
325 return E_OUTOFMEMORY; | |
326 | |
327 len = WideCharToMultiByte(CP_ACP, 0, keys, -1, buffer, len, 0, 0); | |
328 | |
329 if (len == 0) | |
330 { | |
331 vim_free(buffer); | |
332 return E_INVALIDARG; | |
333 } | |
334 | |
335 /* Translate key codes like <Esc> */ | |
859 | 336 str = replace_termcodes((char_u *)buffer, &ptr, FALSE, TRUE, FALSE); |
7 | 337 |
338 /* If ptr was set, then a new buffer was allocated, | |
339 * so we can free the old one. | |
340 */ | |
341 if (ptr) | |
342 vim_free((char_u *)(buffer)); | |
343 | |
344 /* Reject strings too long to fit in the input buffer. Allow 10 bytes | |
345 * space to cover for the (remote) possibility that characters may enter | |
346 * the input buffer between now and when the WM_OLE message is actually | |
347 * processed. If more that 10 characters enter the input buffer in that | |
348 * time, the WM_OLE processing will simply fail to insert the characters. | |
349 */ | |
350 if ((int)(STRLEN(str)) > (vim_free_in_input_buf() - 10)) | |
351 { | |
352 vim_free(str); | |
353 return E_INVALIDARG; | |
354 } | |
355 | |
356 /* Pass the string to the main input loop. The memory will be freed when | |
1791 | 357 * the message is processed. Except for an empty message, we don't need |
358 * to post it then. | |
7 | 359 */ |
1791 | 360 if (*str == NUL) |
361 vim_free(str); | |
362 else | |
363 PostMessage(NULL, WM_OLE, 0, (LPARAM)str); | |
7 | 364 |
365 return S_OK; | |
366 } | |
367 | |
368 STDMETHODIMP | |
369 CVim::Eval(BSTR expr, BSTR *result) | |
370 { | |
371 #ifdef FEAT_EVAL | |
372 int len; | |
373 char *buffer; | |
374 char *str; | |
375 wchar_t *w_buffer; | |
376 | |
377 /* Get a suitable buffer */ | |
378 len = WideCharToMultiByte(CP_ACP, 0, expr, -1, 0, 0, 0, 0); | |
379 if (len == 0) | |
380 return E_INVALIDARG; | |
381 | |
382 buffer = (char *)alloc((unsigned)len); | |
383 | |
384 if (buffer == NULL) | |
385 return E_OUTOFMEMORY; | |
386 | |
387 /* Convert the (wide character) expression to an ASCII string */ | |
388 len = WideCharToMultiByte(CP_ACP, 0, expr, -1, buffer, len, 0, 0); | |
389 if (len == 0) | |
390 return E_INVALIDARG; | |
391 | |
392 /* Evaluate the expression */ | |
393 ++emsg_skip; | |
714 | 394 str = (char *)eval_to_string((char_u *)buffer, NULL, TRUE); |
7 | 395 --emsg_skip; |
396 vim_free(buffer); | |
397 if (str == NULL) | |
398 return E_FAIL; | |
399 | |
400 /* Convert the result to wide characters */ | |
401 MultiByteToWideChar_alloc(CP_ACP, 0, str, -1, &w_buffer, &len); | |
402 vim_free(str); | |
403 if (w_buffer == NULL) | |
404 return E_OUTOFMEMORY; | |
405 | |
406 if (len == 0) | |
407 { | |
408 vim_free(w_buffer); | |
409 return E_FAIL; | |
410 } | |
411 | |
412 /* Store the result */ | |
413 *result = SysAllocString(w_buffer); | |
414 vim_free(w_buffer); | |
415 | |
416 return S_OK; | |
417 #else | |
418 return E_NOTIMPL; | |
419 #endif | |
420 } | |
421 | |
422 /***************************************************************************** | |
423 3. The class factory | |
424 *****************************************************************************/ | |
425 | |
426 /* Definition | |
427 * ---------- | |
428 */ | |
429 | |
430 class CVimCF : public IClassFactory | |
431 { | |
432 public: | |
433 static CVimCF *Create(); | |
434 | |
435 STDMETHOD(QueryInterface)(REFIID riid, void ** ppv); | |
436 STDMETHOD_(unsigned long, AddRef)(void); | |
437 STDMETHOD_(unsigned long, Release)(void); | |
438 STDMETHOD(CreateInstance)(IUnknown *punkOuter, REFIID riid, void ** ppv); | |
439 STDMETHOD(LockServer)(BOOL lock); | |
440 | |
441 private: | |
442 // Constructor is private - create via Create() | |
443 CVimCF() : ref(0) {}; | |
444 | |
445 // Reference count | |
446 unsigned long ref; | |
447 }; | |
448 | |
449 /* Implementation | |
450 * -------------- | |
451 */ | |
452 | |
453 CVimCF *CVimCF::Create() | |
454 { | |
455 CVimCF *me = new CVimCF(); | |
456 | |
457 if (me == NULL) | |
458 MessageBox(0, "Cannot create class factory", "Vim Initialisation", 0); | |
459 | |
460 return me; | |
461 } | |
462 | |
463 STDMETHODIMP | |
464 CVimCF::QueryInterface(REFIID riid, void **ppv) | |
465 { | |
466 if (IsEqualIID(riid, IID_IUnknown) || IsEqualIID(riid, IID_IClassFactory)) | |
467 { | |
468 AddRef(); | |
469 *ppv = this; | |
470 return S_OK; | |
471 } | |
472 | |
473 *ppv = 0; | |
474 return E_NOINTERFACE; | |
475 } | |
476 | |
477 STDMETHODIMP_(ULONG) | |
478 CVimCF::AddRef() | |
479 { | |
480 return ++ref; | |
481 } | |
482 | |
483 STDMETHODIMP_(ULONG) | |
484 CVimCF::Release() | |
485 { | |
486 // Don't delete the object when the reference count reaches zero, as there | |
487 // is only a single application object, and its lifetime is controlled by | |
488 // the running instance, not by its reference count. | |
489 if (ref > 0) | |
490 --ref; | |
491 return ref; | |
492 } | |
493 | |
322 | 494 /*ARGSUSED*/ |
7 | 495 STDMETHODIMP |
496 CVimCF::CreateInstance(IUnknown *punkOuter, REFIID riid, void **ppv) | |
497 { | |
498 return app->QueryInterface(riid, ppv); | |
499 } | |
500 | |
322 | 501 /*ARGSUSED*/ |
7 | 502 STDMETHODIMP |
503 CVimCF::LockServer(BOOL lock) | |
504 { | |
505 return S_OK; | |
506 } | |
507 | |
508 /***************************************************************************** | |
509 4. Registry manipulation code | |
510 *****************************************************************************/ | |
511 | |
512 // Internal use only | |
380 | 513 static void SetKeyAndValue(const char *path, const char *subkey, const char *value); |
514 static void GUIDtochar(const GUID &guid, char *GUID, int length); | |
515 static void RecursiveDeleteKey(HKEY hKeyParent, const char *child); | |
7 | 516 static const int GUID_STRING_SIZE = 39; |
517 | |
518 // Register the component in the registry | |
519 // When "silent" is TRUE don't give any messages. | |
520 | |
521 extern "C" void RegisterMe(int silent) | |
522 { | |
523 BOOL ok = TRUE; | |
524 | |
525 // Get the application startup command | |
526 char module[MAX_PATH]; | |
527 | |
528 ::GetModuleFileName(NULL, module, MAX_PATH); | |
529 | |
530 // Unregister first (quietly) | |
531 UnregisterMe(FALSE); | |
532 | |
533 // Convert the CLSID into a char | |
534 char clsid[GUID_STRING_SIZE]; | |
535 GUIDtochar(MYCLSID, clsid, sizeof(clsid)); | |
536 | |
537 // Convert the LIBID into a char | |
538 char libid[GUID_STRING_SIZE]; | |
539 GUIDtochar(MYLIBID, libid, sizeof(libid)); | |
540 | |
541 // Build the key CLSID\\{...} | |
542 char Key[MAX_CLSID_LEN]; | |
543 strcpy(Key, "CLSID\\"); | |
544 strcat(Key, clsid); | |
545 | |
546 // Add the CLSID to the registry | |
547 SetKeyAndValue(Key, NULL, MYNAME); | |
548 SetKeyAndValue(Key, "LocalServer32", module); | |
549 SetKeyAndValue(Key, "ProgID", MYPROGID); | |
550 SetKeyAndValue(Key, "VersionIndependentProgID", MYVIPROGID); | |
551 SetKeyAndValue(Key, "TypeLib", libid); | |
552 | |
553 // Add the version-independent ProgID subkey under HKEY_CLASSES_ROOT | |
554 SetKeyAndValue(MYVIPROGID, NULL, MYNAME); | |
555 SetKeyAndValue(MYVIPROGID, "CLSID", clsid); | |
556 SetKeyAndValue(MYVIPROGID, "CurVer", MYPROGID); | |
557 | |
558 // Add the versioned ProgID subkey under HKEY_CLASSES_ROOT | |
559 SetKeyAndValue(MYPROGID, NULL, MYNAME); | |
560 SetKeyAndValue(MYPROGID, "CLSID", clsid); | |
561 | |
562 wchar_t w_module[MAX_PATH]; | |
563 MultiByteToWideChar(CP_ACP, 0, module, -1, w_module, MAX_PATH); | |
564 | |
565 ITypeLib *typelib = NULL; | |
566 if (LoadTypeLib(w_module, &typelib) != S_OK) | |
567 { | |
568 if (!silent) | |
569 MessageBox(0, "Cannot load type library to register", | |
570 "Vim Registration", 0); | |
571 ok = FALSE; | |
572 } | |
573 else | |
574 { | |
575 if (RegisterTypeLib(typelib, w_module, NULL) != S_OK) | |
576 { | |
577 if (!silent) | |
578 MessageBox(0, "Cannot register type library", | |
579 "Vim Registration", 0); | |
580 ok = FALSE; | |
581 } | |
582 typelib->Release(); | |
583 } | |
584 | |
585 if (ok && !silent) | |
586 MessageBox(0, "Registered successfully", "Vim", 0); | |
587 } | |
588 | |
589 // Remove the component from the registry | |
590 // | |
591 // Note: There is little error checking in this code, to allow incomplete | |
592 // or failed registrations to be undone. | |
593 extern "C" void UnregisterMe(int bNotifyUser) | |
594 { | |
595 // Unregister the type library | |
596 ITypeLib *typelib; | |
597 if (SUCCEEDED(LoadRegTypeLib(MYLIBID, MAJORVER, MINORVER, LOCALE, &typelib))) | |
598 { | |
599 TLIBATTR *tla; | |
600 if (SUCCEEDED(typelib->GetLibAttr(&tla))) | |
601 { | |
602 UnRegisterTypeLib(tla->guid, tla->wMajorVerNum, tla->wMinorVerNum, | |
603 tla->lcid, tla->syskind); | |
604 typelib->ReleaseTLibAttr(tla); | |
605 } | |
606 typelib->Release(); | |
607 } | |
608 | |
609 // Convert the CLSID into a char | |
610 char clsid[GUID_STRING_SIZE]; | |
611 GUIDtochar(MYCLSID, clsid, sizeof(clsid)); | |
612 | |
613 // Build the key CLSID\\{...} | |
614 char Key[MAX_CLSID_LEN]; | |
615 strcpy(Key, "CLSID\\"); | |
616 strcat(Key, clsid); | |
617 | |
618 // Delete the CLSID Key - CLSID\{...} | |
619 RecursiveDeleteKey(HKEY_CLASSES_ROOT, Key); | |
620 | |
621 // Delete the version-independent ProgID Key | |
622 RecursiveDeleteKey(HKEY_CLASSES_ROOT, MYVIPROGID); | |
623 | |
624 // Delete the ProgID key | |
625 RecursiveDeleteKey(HKEY_CLASSES_ROOT, MYPROGID); | |
626 | |
627 if (bNotifyUser) | |
628 MessageBox(0, "Unregistered successfully", "Vim", 0); | |
629 } | |
630 | |
631 /****************************************************************************/ | |
632 | |
633 // Convert a GUID to a char string | |
380 | 634 static void GUIDtochar(const GUID &guid, char *GUID, int length) |
7 | 635 { |
636 // Get wide string version | |
637 LPOLESTR wGUID = NULL; | |
638 StringFromCLSID(guid, &wGUID); | |
639 | |
640 // Covert from wide characters to non-wide | |
641 wcstombs(GUID, wGUID, length); | |
642 | |
643 // Free memory | |
644 CoTaskMemFree(wGUID); | |
645 } | |
646 | |
647 // Delete a key and all of its descendents | |
380 | 648 static void RecursiveDeleteKey(HKEY hKeyParent, const char *child) |
7 | 649 { |
650 // Open the child | |
651 HKEY hKeyChild; | |
652 LONG result = RegOpenKeyEx(hKeyParent, child, 0, KEY_ALL_ACCESS, &hKeyChild); | |
653 if (result != ERROR_SUCCESS) | |
654 return; | |
655 | |
656 // Enumerate all of the decendents of this child | |
657 FILETIME time; | |
658 char buffer[1024]; | |
659 DWORD size = 1024; | |
660 | |
661 while (RegEnumKeyEx(hKeyChild, 0, buffer, &size, NULL, | |
662 NULL, NULL, &time) == S_OK) | |
663 { | |
664 // Delete the decendents of this child | |
665 RecursiveDeleteKey(hKeyChild, buffer); | |
666 size = 256; | |
667 } | |
668 | |
669 // Close the child | |
670 RegCloseKey(hKeyChild); | |
671 | |
672 // Delete this child | |
673 RegDeleteKey(hKeyParent, child); | |
674 } | |
675 | |
676 // Create a key and set its value | |
388 | 677 static void SetKeyAndValue(const char *key, const char *subkey, const char *value) |
7 | 678 { |
679 HKEY hKey; | |
680 char buffer[1024]; | |
681 | |
682 strcpy(buffer, key); | |
683 | |
684 // Add subkey name to buffer. | |
685 if (subkey) | |
686 { | |
687 strcat(buffer, "\\"); | |
688 strcat(buffer, subkey); | |
689 } | |
690 | |
691 // Create and open key and subkey. | |
692 long result = RegCreateKeyEx(HKEY_CLASSES_ROOT, | |
693 buffer, | |
694 0, NULL, REG_OPTION_NON_VOLATILE, | |
695 KEY_ALL_ACCESS, NULL, | |
696 &hKey, NULL); | |
697 if (result != ERROR_SUCCESS) | |
698 return; | |
699 | |
700 // Set the value | |
701 if (value) | |
702 RegSetValueEx(hKey, NULL, 0, REG_SZ, (BYTE *)value, | |
703 (DWORD)STRLEN(value)+1); | |
704 | |
705 RegCloseKey(hKey); | |
706 } | |
707 | |
708 /***************************************************************************** | |
709 5. OLE Initialisation and shutdown processing | |
710 *****************************************************************************/ | |
380 | 711 extern "C" void InitOLE(int *pbDoRestart) |
7 | 712 { |
713 HRESULT hr; | |
714 | |
715 *pbDoRestart = FALSE; | |
716 | |
717 // Initialize the OLE libraries | |
718 hr = OleInitialize(NULL); | |
719 if (FAILED(hr)) | |
720 { | |
721 MessageBox(0, "Cannot initialise OLE", "Vim Initialisation", 0); | |
722 goto error0; | |
723 } | |
724 | |
725 // Create the application object | |
726 app = CVim::Create(pbDoRestart); | |
727 if (app == NULL) | |
728 goto error1; | |
729 | |
730 // Create the class factory | |
731 cf = CVimCF::Create(); | |
732 if (cf == NULL) | |
733 goto error1; | |
734 | |
735 // Register the class factory | |
736 hr = CoRegisterClassObject( | |
737 MYCLSID, | |
738 cf, | |
739 CLSCTX_LOCAL_SERVER, | |
740 REGCLS_MULTIPLEUSE, | |
741 &cf_id); | |
742 | |
743 if (FAILED(hr)) | |
744 { | |
745 MessageBox(0, "Cannot register class factory", "Vim Initialisation", 0); | |
746 goto error1; | |
747 } | |
748 | |
749 // Register the application object as active | |
750 hr = RegisterActiveObject( | |
751 app, | |
752 MYCLSID, | |
753 NULL, | |
754 &app_id); | |
755 | |
756 if (FAILED(hr)) | |
757 { | |
758 MessageBox(0, "Cannot register application object", "Vim Initialisation", 0); | |
759 goto error1; | |
760 } | |
761 | |
762 return; | |
763 | |
764 // Errors: tidy up as much as needed and return | |
765 error1: | |
766 UninitOLE(); | |
767 error0: | |
768 return; | |
769 } | |
770 | |
771 extern "C" void UninitOLE() | |
772 { | |
773 // Unregister the application object | |
774 if (app_id) | |
775 { | |
776 RevokeActiveObject(app_id, NULL); | |
777 app_id = 0; | |
778 } | |
779 | |
780 // Unregister the class factory | |
781 if (cf_id) | |
782 { | |
783 CoRevokeClassObject(cf_id); | |
784 cf_id = 0; | |
785 } | |
786 | |
787 // Shut down the OLE libraries | |
788 OleUninitialize(); | |
789 | |
790 // Delete the application object | |
791 if (app) | |
792 { | |
793 delete app; | |
794 app = NULL; | |
795 } | |
796 | |
797 // Delete the class factory | |
798 if (cf) | |
799 { | |
800 delete cf; | |
801 cf = NULL; | |
802 } | |
803 } | |
804 #endif /* FEAT_OLE */ |