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annotate src/GvimExt/gvimext.cpp @ 6602:c77ef1bf9623 v7.4.627
updated for version 7.4.627
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| author | Bram Moolenaar <bram@vim.org> |
|---|---|
| date | Tue, 10 Feb 2015 19:20:37 +0100 |
| parents | 04736b4030ec |
| children | 81cb471657e0 |
| rev | line source |
|---|---|
| 10 | 1 /* vi:set ts=8 sts=4 sw=4: |
| 2 * | |
| 3 * VIM - Vi IMproved gvimext by Tianmiao Hu | |
| 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 /* | |
| 10 * gvimext is a DLL which is used for the "Edit with Vim" context menu | |
| 11 * extension. It implements a MS defined interface with the Shell. | |
| 12 * | |
| 13 * If you have any questions or any suggestions concerning gvimext, please | |
| 14 * contact Tianmiao Hu: tianmiao@acm.org. | |
| 15 */ | |
| 16 | |
| 17 #include "gvimext.h" | |
| 18 | |
| 19 #ifdef __BORLANDC__ | |
| 20 # include <dir.h> | |
| 21 # ifndef _strnicmp | |
| 22 # define _strnicmp(a, b, c) strnicmp((a), (b), (c)) | |
| 23 # endif | |
| 24 #else | |
| 25 static char *searchpath(char *name); | |
| 26 #endif | |
| 27 | |
| 28 // Always get an error while putting the following stuff to the | |
| 29 // gvimext.h file as class protected variables, give up and | |
| 30 // declare them as global stuff | |
| 31 FORMATETC fmte = {CF_HDROP, | |
| 32 (DVTARGETDEVICE FAR *)NULL, | |
| 33 DVASPECT_CONTENT, | |
| 34 -1, | |
| 35 TYMED_HGLOBAL | |
| 36 }; | |
| 37 STGMEDIUM medium; | |
| 38 HRESULT hres = 0; | |
| 39 UINT cbFiles = 0; | |
| 40 | |
| 415 | 41 /* The buffers size used to be MAX_PATH (256 bytes), but that's not always |
| 42 * enough */ | |
| 43 #define BUFSIZE 1100 | |
| 44 | |
| 10 | 45 // |
| 46 // Get the name of the Gvim executable to use, with the path. | |
| 47 // When "runtime" is non-zero, we were called to find the runtime directory. | |
| 415 | 48 // Returns the path in name[BUFSIZE]. It's empty when it fails. |
| 10 | 49 // |
| 50 static void | |
| 51 getGvimName(char *name, int runtime) | |
| 52 { | |
| 53 HKEY keyhandle; | |
| 54 DWORD hlen; | |
| 55 | |
| 56 // Get the location of gvim from the registry. | |
| 57 name[0] = 0; | |
| 58 if (RegOpenKeyEx(HKEY_LOCAL_MACHINE, "Software\\Vim\\Gvim", 0, | |
| 59 KEY_READ, &keyhandle) == ERROR_SUCCESS) | |
| 60 { | |
| 415 | 61 hlen = BUFSIZE; |
| 10 | 62 if (RegQueryValueEx(keyhandle, "path", 0, NULL, (BYTE *)name, &hlen) |
| 63 != ERROR_SUCCESS) | |
| 64 name[0] = 0; | |
| 65 else | |
| 66 name[hlen] = 0; | |
| 67 RegCloseKey(keyhandle); | |
| 68 } | |
| 69 | |
| 70 // Registry didn't work, use the search path. | |
| 71 if (name[0] == 0) | |
| 1366 | 72 strcpy(name, searchpath((char *)"gvim.exe")); |
| 10 | 73 |
| 74 if (!runtime) | |
| 75 { | |
| 76 // Only when looking for the executable, not the runtime dir, we can | |
| 77 // search for the batch file or a name without a path. | |
| 78 if (name[0] == 0) | |
| 1366 | 79 strcpy(name, searchpath((char *)"gvim.bat")); |
| 10 | 80 if (name[0] == 0) |
| 81 strcpy(name, "gvim"); // finds gvim.bat or gvim.exe | |
| 82 | |
| 83 // avoid that Vim tries to expand wildcards in the file names | |
| 84 strcat(name, " --literal"); | |
| 85 } | |
| 86 } | |
| 87 | |
|
2295
b9bc9c5df131
Support wide file names in gvimext. (Szabolcs Horvat)
Bram Moolenaar <bram@vim.org>
parents:
1953
diff
changeset
|
88 static void |
|
b9bc9c5df131
Support wide file names in gvimext. (Szabolcs Horvat)
Bram Moolenaar <bram@vim.org>
parents:
1953
diff
changeset
|
89 getGvimNameW(wchar_t *nameW) |
|
b9bc9c5df131
Support wide file names in gvimext. (Szabolcs Horvat)
Bram Moolenaar <bram@vim.org>
parents:
1953
diff
changeset
|
90 { |
|
b9bc9c5df131
Support wide file names in gvimext. (Szabolcs Horvat)
Bram Moolenaar <bram@vim.org>
parents:
1953
diff
changeset
|
91 char *name; |
|
b9bc9c5df131
Support wide file names in gvimext. (Szabolcs Horvat)
Bram Moolenaar <bram@vim.org>
parents:
1953
diff
changeset
|
92 |
|
b9bc9c5df131
Support wide file names in gvimext. (Szabolcs Horvat)
Bram Moolenaar <bram@vim.org>
parents:
1953
diff
changeset
|
93 name = (char *)malloc(BUFSIZE); |
|
b9bc9c5df131
Support wide file names in gvimext. (Szabolcs Horvat)
Bram Moolenaar <bram@vim.org>
parents:
1953
diff
changeset
|
94 getGvimName(name, 0); |
|
b9bc9c5df131
Support wide file names in gvimext. (Szabolcs Horvat)
Bram Moolenaar <bram@vim.org>
parents:
1953
diff
changeset
|
95 mbstowcs(nameW, name, BUFSIZE); |
|
b9bc9c5df131
Support wide file names in gvimext. (Szabolcs Horvat)
Bram Moolenaar <bram@vim.org>
parents:
1953
diff
changeset
|
96 free(name); |
|
b9bc9c5df131
Support wide file names in gvimext. (Szabolcs Horvat)
Bram Moolenaar <bram@vim.org>
parents:
1953
diff
changeset
|
97 } |
|
b9bc9c5df131
Support wide file names in gvimext. (Szabolcs Horvat)
Bram Moolenaar <bram@vim.org>
parents:
1953
diff
changeset
|
98 |
| 10 | 99 // |
| 415 | 100 // Get the Vim runtime directory into buf[BUFSIZE]. |
| 10 | 101 // The result is empty when it failed. |
| 102 // When it works, the path ends in a slash or backslash. | |
| 103 // | |
| 104 static void | |
| 105 getRuntimeDir(char *buf) | |
| 106 { | |
| 107 int idx; | |
| 108 | |
| 109 getGvimName(buf, 1); | |
| 110 if (buf[0] != 0) | |
| 111 { | |
| 112 // When no path found, use the search path to expand it. | |
| 113 if (strchr(buf, '/') == NULL && strchr(buf, '\\') == NULL) | |
| 114 strcpy(buf, searchpath(buf)); | |
| 115 | |
| 116 // remove "gvim.exe" from the end | |
| 835 | 117 for (idx = (int)strlen(buf) - 1; idx >= 0; idx--) |
| 10 | 118 if (buf[idx] == '\\' || buf[idx] == '/') |
| 119 { | |
| 120 buf[idx + 1] = 0; | |
| 121 break; | |
| 122 } | |
| 123 } | |
| 124 } | |
| 125 | |
| 126 // | |
| 127 // GETTEXT: translated messages and menu entries | |
| 128 // | |
| 129 #ifndef FEAT_GETTEXT | |
| 130 # define _(x) x | |
| 131 #else | |
| 132 # define _(x) (*dyn_libintl_gettext)(x) | |
| 133 # define VIMPACKAGE "vim" | |
| 134 # ifndef GETTEXT_DLL | |
| 135 # define GETTEXT_DLL "libintl.dll" | |
| 136 # endif | |
| 137 | |
| 138 // Dummy functions | |
| 139 static char *null_libintl_gettext(const char *); | |
| 140 static char *null_libintl_textdomain(const char *); | |
| 141 static char *null_libintl_bindtextdomain(const char *, const char *); | |
| 142 static int dyn_libintl_init(char *dir); | |
| 143 static void dyn_libintl_end(void); | |
| 144 | |
| 3008 | 145 static wchar_t *oldenv = NULL; |
| 10 | 146 static HINSTANCE hLibintlDLL = 0; |
| 147 static char *(*dyn_libintl_gettext)(const char *) = null_libintl_gettext; | |
| 148 static char *(*dyn_libintl_textdomain)(const char *) = null_libintl_textdomain; | |
| 149 static char *(*dyn_libintl_bindtextdomain)(const char *, const char *) | |
| 150 = null_libintl_bindtextdomain; | |
| 151 | |
| 152 // | |
| 153 // Attempt to load libintl.dll. If it doesn't work, use dummy functions. | |
| 154 // "dir" is the directory where the libintl.dll might be. | |
| 155 // Return 1 for success, 0 for failure. | |
| 156 // | |
| 157 static int | |
| 158 dyn_libintl_init(char *dir) | |
| 159 { | |
| 160 int i; | |
| 161 static struct | |
| 162 { | |
| 163 char *name; | |
| 164 FARPROC *ptr; | |
| 165 } libintl_entry[] = | |
| 166 { | |
| 1366 | 167 {(char *)"gettext", (FARPROC*)&dyn_libintl_gettext}, |
| 168 {(char *)"textdomain", (FARPROC*)&dyn_libintl_textdomain}, | |
| 169 {(char *)"bindtextdomain", (FARPROC*)&dyn_libintl_bindtextdomain}, | |
| 10 | 170 {NULL, NULL} |
| 171 }; | |
| 172 | |
| 173 // No need to initialize twice. | |
| 174 if (hLibintlDLL) | |
| 175 return 1; | |
| 176 | |
| 177 // Load gettext library, first try the Vim runtime directory, then search | |
| 178 // the path. | |
| 179 strcat(dir, GETTEXT_DLL); | |
| 180 hLibintlDLL = LoadLibrary(dir); | |
| 181 if (!hLibintlDLL) | |
| 182 { | |
| 183 hLibintlDLL = LoadLibrary(GETTEXT_DLL); | |
| 184 if (!hLibintlDLL) | |
| 185 return 0; | |
| 186 } | |
| 187 | |
| 188 // Get the addresses of the functions we need. | |
| 189 for (i = 0; libintl_entry[i].name != NULL | |
| 190 && libintl_entry[i].ptr != NULL; ++i) | |
| 191 { | |
| 192 if ((*libintl_entry[i].ptr = GetProcAddress(hLibintlDLL, | |
| 193 libintl_entry[i].name)) == NULL) | |
| 194 { | |
| 195 dyn_libintl_end(); | |
| 196 return 0; | |
| 197 } | |
| 198 } | |
| 199 return 1; | |
| 200 } | |
| 201 | |
| 202 static void | |
| 203 dyn_libintl_end(void) | |
| 204 { | |
| 205 if (hLibintlDLL) | |
| 206 FreeLibrary(hLibintlDLL); | |
| 207 hLibintlDLL = NULL; | |
| 208 dyn_libintl_gettext = null_libintl_gettext; | |
| 209 dyn_libintl_textdomain = null_libintl_textdomain; | |
| 210 dyn_libintl_bindtextdomain = null_libintl_bindtextdomain; | |
| 211 } | |
| 212 | |
| 213 static char * | |
| 214 null_libintl_gettext(const char *msgid) | |
| 215 { | |
| 216 return (char *)msgid; | |
| 217 } | |
| 218 | |
| 219 static char * | |
| 1686 | 220 null_libintl_bindtextdomain(const char * /* domainname */, const char * /* dirname */) |
| 10 | 221 { |
| 222 return NULL; | |
| 223 } | |
| 224 | |
| 225 static char * | |
| 1686 | 226 null_libintl_textdomain(const char* /* domainname */) |
| 10 | 227 { |
| 228 return NULL; | |
| 229 } | |
| 230 | |
| 231 // | |
| 232 // Setup for translating strings. | |
| 233 // | |
| 234 static void | |
| 235 dyn_gettext_load(void) | |
| 236 { | |
| 415 | 237 char szBuff[BUFSIZE]; |
| 238 char szLang[BUFSIZE]; | |
| 10 | 239 DWORD len; |
| 240 HKEY keyhandle; | |
| 241 int gotlang = 0; | |
| 242 | |
| 243 strcpy(szLang, "LANG="); | |
| 244 | |
| 245 // First try getting the language from the registry, this can be | |
| 246 // used to overrule the system language. | |
| 247 if (RegOpenKeyEx(HKEY_LOCAL_MACHINE, "Software\\Vim\\Gvim", 0, | |
| 248 KEY_READ, &keyhandle) == ERROR_SUCCESS) | |
| 249 { | |
| 415 | 250 len = BUFSIZE; |
| 10 | 251 if (RegQueryValueEx(keyhandle, "lang", 0, NULL, (BYTE*)szBuff, &len) |
| 252 == ERROR_SUCCESS) | |
| 253 { | |
| 254 szBuff[len] = 0; | |
| 255 strcat(szLang, szBuff); | |
| 256 gotlang = 1; | |
| 257 } | |
| 258 RegCloseKey(keyhandle); | |
| 259 } | |
| 260 | |
| 261 if (!gotlang && getenv("LANG") == NULL) | |
| 262 { | |
| 263 // Get the language from the system. | |
| 264 // Could use LOCALE_SISO639LANGNAME, but it's not in Win95. | |
| 265 // LOCALE_SABBREVLANGNAME gives us three letters, like "enu", we use | |
| 266 // only the first two. | |
| 267 len = GetLocaleInfo(LOCALE_USER_DEFAULT, LOCALE_SABBREVLANGNAME, | |
| 415 | 268 (LPTSTR)szBuff, BUFSIZE); |
| 10 | 269 if (len >= 2 && _strnicmp(szBuff, "en", 2) != 0) |
| 270 { | |
| 271 // There are a few exceptions (probably more) | |
| 272 if (_strnicmp(szBuff, "cht", 3) == 0 | |
| 273 || _strnicmp(szBuff, "zht", 3) == 0) | |
| 274 strcpy(szBuff, "zh_TW"); | |
| 275 else if (_strnicmp(szBuff, "chs", 3) == 0 | |
| 276 || _strnicmp(szBuff, "zhc", 3) == 0) | |
| 277 strcpy(szBuff, "zh_CN"); | |
| 278 else if (_strnicmp(szBuff, "jp", 2) == 0) | |
| 279 strcpy(szBuff, "ja"); | |
| 280 else | |
| 281 szBuff[2] = 0; // truncate to two-letter code | |
| 282 strcat(szLang, szBuff); | |
| 283 gotlang = 1; | |
| 284 } | |
| 285 } | |
| 286 if (gotlang) | |
| 287 putenv(szLang); | |
| 288 | |
| 289 // Try to locate the runtime files. The path is used to find libintl.dll | |
| 290 // and the vim.mo files. | |
| 291 getRuntimeDir(szBuff); | |
| 292 if (szBuff[0] != 0) | |
| 293 { | |
| 835 | 294 len = (DWORD)strlen(szBuff); |
| 10 | 295 if (dyn_libintl_init(szBuff)) |
| 296 { | |
| 297 strcpy(szBuff + len, "lang"); | |
| 298 | |
| 299 (*dyn_libintl_bindtextdomain)(VIMPACKAGE, szBuff); | |
| 300 (*dyn_libintl_textdomain)(VIMPACKAGE); | |
| 301 } | |
| 302 } | |
| 303 } | |
| 304 | |
| 305 static void | |
| 306 dyn_gettext_free(void) | |
| 307 { | |
| 308 dyn_libintl_end(); | |
| 309 } | |
| 310 #endif // FEAT_GETTEXT | |
| 311 | |
| 312 // | |
| 313 // Global variables | |
| 314 // | |
| 315 UINT g_cRefThisDll = 0; // Reference count of this DLL. | |
| 316 HINSTANCE g_hmodThisDll = NULL; // Handle to this DLL itself. | |
| 317 | |
| 318 | |
| 319 //--------------------------------------------------------------------------- | |
| 320 // DllMain | |
| 321 //--------------------------------------------------------------------------- | |
| 322 extern "C" int APIENTRY | |
| 1686 | 323 DllMain(HINSTANCE hInstance, DWORD dwReason, LPVOID /* lpReserved */) |
| 10 | 324 { |
| 325 switch (dwReason) | |
| 326 { | |
| 327 case DLL_PROCESS_ATTACH: | |
| 328 // Extension DLL one-time initialization | |
| 329 g_hmodThisDll = hInstance; | |
| 330 break; | |
| 331 | |
| 332 case DLL_PROCESS_DETACH: | |
| 333 break; | |
| 334 } | |
| 335 | |
| 336 return 1; // ok | |
| 337 } | |
| 338 | |
| 339 static void | |
| 340 inc_cRefThisDLL() | |
| 341 { | |
| 342 #ifdef FEAT_GETTEXT | |
| 3008 | 343 if (g_cRefThisDll == 0) { |
| 10 | 344 dyn_gettext_load(); |
| 3008 | 345 oldenv = GetEnvironmentStringsW(); |
| 346 } | |
| 10 | 347 #endif |
| 348 InterlockedIncrement((LPLONG)&g_cRefThisDll); | |
| 349 } | |
| 350 | |
| 351 static void | |
| 352 dec_cRefThisDLL() | |
| 353 { | |
| 354 #ifdef FEAT_GETTEXT | |
| 3008 | 355 if (InterlockedDecrement((LPLONG)&g_cRefThisDll) == 0) { |
| 10 | 356 dyn_gettext_free(); |
| 3008 | 357 if (oldenv != NULL) { |
| 358 FreeEnvironmentStringsW(oldenv); | |
| 359 oldenv = NULL; | |
| 360 } | |
| 361 } | |
| 10 | 362 #else |
| 363 InterlockedDecrement((LPLONG)&g_cRefThisDll); | |
| 364 #endif | |
| 365 } | |
| 366 | |
| 367 //--------------------------------------------------------------------------- | |
| 368 // DllCanUnloadNow | |
| 369 //--------------------------------------------------------------------------- | |
| 370 | |
| 371 STDAPI DllCanUnloadNow(void) | |
| 372 { | |
| 373 return (g_cRefThisDll == 0 ? S_OK : S_FALSE); | |
| 374 } | |
| 375 | |
| 376 STDAPI DllGetClassObject(REFCLSID rclsid, REFIID riid, LPVOID *ppvOut) | |
| 377 { | |
| 378 *ppvOut = NULL; | |
| 379 | |
| 380 if (IsEqualIID(rclsid, CLSID_ShellExtension)) | |
| 381 { | |
| 382 CShellExtClassFactory *pcf = new CShellExtClassFactory; | |
| 383 | |
| 384 return pcf->QueryInterface(riid, ppvOut); | |
| 385 } | |
| 386 | |
| 387 return CLASS_E_CLASSNOTAVAILABLE; | |
| 388 } | |
| 389 | |
| 390 CShellExtClassFactory::CShellExtClassFactory() | |
| 391 { | |
| 392 m_cRef = 0L; | |
| 393 | |
| 394 inc_cRefThisDLL(); | |
| 395 } | |
| 396 | |
| 397 CShellExtClassFactory::~CShellExtClassFactory() | |
| 398 { | |
| 399 dec_cRefThisDLL(); | |
| 400 } | |
| 401 | |
| 402 STDMETHODIMP CShellExtClassFactory::QueryInterface(REFIID riid, | |
| 403 LPVOID FAR *ppv) | |
| 404 { | |
| 405 *ppv = NULL; | |
| 406 | |
| 407 // Any interface on this object is the object pointer | |
| 408 | |
| 409 if (IsEqualIID(riid, IID_IUnknown) || IsEqualIID(riid, IID_IClassFactory)) | |
| 410 { | |
| 411 *ppv = (LPCLASSFACTORY)this; | |
| 412 | |
| 413 AddRef(); | |
| 414 | |
| 415 return NOERROR; | |
| 416 } | |
| 417 | |
| 418 return E_NOINTERFACE; | |
| 419 } | |
| 420 | |
| 421 STDMETHODIMP_(ULONG) CShellExtClassFactory::AddRef() | |
| 422 { | |
| 423 return InterlockedIncrement((LPLONG)&m_cRef); | |
| 424 } | |
| 425 | |
| 426 STDMETHODIMP_(ULONG) CShellExtClassFactory::Release() | |
| 427 { | |
| 428 if (InterlockedDecrement((LPLONG)&m_cRef)) | |
| 429 return m_cRef; | |
| 430 | |
| 431 delete this; | |
| 432 | |
| 433 return 0L; | |
| 434 } | |
| 435 | |
| 436 STDMETHODIMP CShellExtClassFactory::CreateInstance(LPUNKNOWN pUnkOuter, | |
| 437 REFIID riid, | |
| 438 LPVOID *ppvObj) | |
| 439 { | |
| 440 *ppvObj = NULL; | |
| 441 | |
| 442 // Shell extensions typically don't support aggregation (inheritance) | |
| 443 | |
| 444 if (pUnkOuter) | |
| 445 return CLASS_E_NOAGGREGATION; | |
| 446 | |
| 447 // Create the main shell extension object. The shell will then call | |
| 448 // QueryInterface with IID_IShellExtInit--this is how shell extensions are | |
| 449 // initialized. | |
| 450 | |
| 451 LPCSHELLEXT pShellExt = new CShellExt(); //Create the CShellExt object | |
| 452 | |
| 453 if (NULL == pShellExt) | |
| 454 return E_OUTOFMEMORY; | |
| 455 | |
| 456 return pShellExt->QueryInterface(riid, ppvObj); | |
| 457 } | |
| 458 | |
| 459 | |
| 1686 | 460 STDMETHODIMP CShellExtClassFactory::LockServer(BOOL /* fLock */) |
| 10 | 461 { |
| 462 return NOERROR; | |
| 463 } | |
| 464 | |
| 465 // *********************** CShellExt ************************* | |
| 466 CShellExt::CShellExt() | |
| 467 { | |
| 468 m_cRef = 0L; | |
| 469 m_pDataObj = NULL; | |
| 470 | |
| 471 inc_cRefThisDLL(); | |
| 472 } | |
| 473 | |
| 474 CShellExt::~CShellExt() | |
| 475 { | |
| 476 if (m_pDataObj) | |
| 477 m_pDataObj->Release(); | |
| 478 | |
| 479 dec_cRefThisDLL(); | |
| 480 } | |
| 481 | |
| 482 STDMETHODIMP CShellExt::QueryInterface(REFIID riid, LPVOID FAR *ppv) | |
| 483 { | |
| 484 *ppv = NULL; | |
| 485 | |
| 486 if (IsEqualIID(riid, IID_IShellExtInit) || IsEqualIID(riid, IID_IUnknown)) | |
| 487 { | |
| 488 *ppv = (LPSHELLEXTINIT)this; | |
| 489 } | |
| 490 else if (IsEqualIID(riid, IID_IContextMenu)) | |
| 491 { | |
| 492 *ppv = (LPCONTEXTMENU)this; | |
| 493 } | |
| 494 | |
| 495 if (*ppv) | |
| 496 { | |
| 497 AddRef(); | |
| 498 | |
| 499 return NOERROR; | |
| 500 } | |
| 501 | |
| 502 return E_NOINTERFACE; | |
| 503 } | |
| 504 | |
| 505 STDMETHODIMP_(ULONG) CShellExt::AddRef() | |
| 506 { | |
| 507 return InterlockedIncrement((LPLONG)&m_cRef); | |
| 508 } | |
| 509 | |
| 510 STDMETHODIMP_(ULONG) CShellExt::Release() | |
| 511 { | |
| 512 | |
| 513 if (InterlockedDecrement((LPLONG)&m_cRef)) | |
| 514 return m_cRef; | |
| 515 | |
| 516 delete this; | |
| 517 | |
| 518 return 0L; | |
| 519 } | |
| 520 | |
| 521 | |
| 522 // | |
| 523 // FUNCTION: CShellExt::Initialize(LPCITEMIDLIST, LPDATAOBJECT, HKEY) | |
| 524 // | |
| 525 // PURPOSE: Called by the shell when initializing a context menu or property | |
| 526 // sheet extension. | |
| 527 // | |
| 528 // PARAMETERS: | |
| 529 // pIDFolder - Specifies the parent folder | |
| 4352 | 530 // pDataObj - Specifies the set of items selected in that folder. |
| 10 | 531 // hRegKey - Specifies the type of the focused item in the selection. |
| 532 // | |
| 533 // RETURN VALUE: | |
| 534 // | |
| 535 // NOERROR in all cases. | |
| 536 // | |
| 537 // COMMENTS: Note that at the time this function is called, we don't know | |
| 538 // (or care) what type of shell extension is being initialized. | |
| 539 // It could be a context menu or a property sheet. | |
| 540 // | |
| 541 | |
| 1686 | 542 STDMETHODIMP CShellExt::Initialize(LPCITEMIDLIST /* pIDFolder */, |
| 10 | 543 LPDATAOBJECT pDataObj, |
| 1686 | 544 HKEY /* hRegKey */) |
| 10 | 545 { |
| 546 // Initialize can be called more than once | |
| 547 if (m_pDataObj) | |
| 548 m_pDataObj->Release(); | |
| 549 | |
| 550 // duplicate the object pointer and registry handle | |
| 551 | |
| 552 if (pDataObj) | |
| 553 { | |
| 554 m_pDataObj = pDataObj; | |
| 555 pDataObj->AddRef(); | |
| 556 } | |
| 557 | |
| 558 return NOERROR; | |
| 559 } | |
| 560 | |
| 561 | |
| 562 // | |
| 563 // FUNCTION: CShellExt::QueryContextMenu(HMENU, UINT, UINT, UINT, UINT) | |
| 564 // | |
| 565 // PURPOSE: Called by the shell just before the context menu is displayed. | |
| 566 // This is where you add your specific menu items. | |
| 567 // | |
| 568 // PARAMETERS: | |
| 569 // hMenu - Handle to the context menu | |
| 570 // indexMenu - Index of where to begin inserting menu items | |
| 571 // idCmdFirst - Lowest value for new menu ID's | |
| 572 // idCmtLast - Highest value for new menu ID's | |
| 573 // uFlags - Specifies the context of the menu event | |
| 574 // | |
| 575 // RETURN VALUE: | |
| 576 // | |
| 577 // | |
| 578 // COMMENTS: | |
| 579 // | |
| 580 | |
| 581 STDMETHODIMP CShellExt::QueryContextMenu(HMENU hMenu, | |
| 582 UINT indexMenu, | |
| 583 UINT idCmdFirst, | |
| 1686 | 584 UINT /* idCmdLast */, |
| 585 UINT /* uFlags */) | |
| 10 | 586 { |
| 587 UINT idCmd = idCmdFirst; | |
| 588 | |
| 589 hres = m_pDataObj->GetData(&fmte, &medium); | |
| 590 if (medium.hGlobal) | |
| 591 cbFiles = DragQueryFile((HDROP)medium.hGlobal, (UINT)-1, 0, 0); | |
| 592 | |
| 593 // InsertMenu(hMenu, indexMenu++, MF_SEPARATOR|MF_BYPOSITION, 0, NULL); | |
| 594 | |
| 595 // Initialize m_cntOfHWnd to 0 | |
| 596 m_cntOfHWnd = 0; | |
| 2972 | 597 |
| 598 HKEY keyhandle; | |
| 599 bool showExisting = true; | |
| 600 | |
| 601 // Check whether "Edit with existing Vim" entries are disabled. | |
| 602 if (RegOpenKeyEx(HKEY_LOCAL_MACHINE, "Software\\Vim\\Gvim", 0, | |
| 603 KEY_READ, &keyhandle) == ERROR_SUCCESS) | |
| 604 { | |
| 605 if (RegQueryValueEx(keyhandle, "DisableEditWithExisting", 0, NULL, | |
| 606 NULL, NULL) == ERROR_SUCCESS) | |
| 607 showExisting = false; | |
| 608 RegCloseKey(keyhandle); | |
| 609 } | |
| 610 | |
| 611 // Retrieve all the vim instances, unless disabled. | |
| 612 if (showExisting) | |
| 613 EnumWindows(EnumWindowsProc, (LPARAM)this); | |
| 10 | 614 |
| 615 if (cbFiles > 1) | |
| 616 { | |
| 617 InsertMenu(hMenu, | |
| 618 indexMenu++, | |
| 619 MF_STRING|MF_BYPOSITION, | |
| 620 idCmd++, | |
| 621 _("Edit with &multiple Vims")); | |
| 622 | |
| 623 InsertMenu(hMenu, | |
| 624 indexMenu++, | |
| 625 MF_STRING|MF_BYPOSITION, | |
| 626 idCmd++, | |
| 627 _("Edit with single &Vim")); | |
| 628 | |
| 629 if (cbFiles <= 4) | |
| 630 { | |
| 631 // Can edit up to 4 files in diff mode | |
| 632 InsertMenu(hMenu, | |
| 633 indexMenu++, | |
| 634 MF_STRING|MF_BYPOSITION, | |
| 635 idCmd++, | |
| 23 | 636 _("Diff with Vim")); |
| 10 | 637 m_edit_existing_off = 3; |
| 638 } | |
| 639 else | |
| 640 m_edit_existing_off = 2; | |
| 641 | |
| 642 } | |
| 643 else | |
| 644 { | |
| 645 InsertMenu(hMenu, | |
| 646 indexMenu++, | |
| 647 MF_STRING|MF_BYPOSITION, | |
| 648 idCmd++, | |
| 649 _("Edit with &Vim")); | |
| 650 m_edit_existing_off = 1; | |
| 651 } | |
| 652 | |
| 653 // Now display all the vim instances | |
| 654 for (int i = 0; i < m_cntOfHWnd; i++) | |
| 655 { | |
| 415 | 656 char title[BUFSIZE]; |
| 657 char temp[BUFSIZE]; | |
| 10 | 658 |
| 659 // Obtain window title, continue if can not | |
| 415 | 660 if (GetWindowText(m_hWnd[i], title, BUFSIZE - 1) == 0) |
| 10 | 661 continue; |
| 662 // Truncate the title before the path, keep the file name | |
| 663 char *pos = strchr(title, '('); | |
| 664 if (pos != NULL) | |
| 665 { | |
| 666 if (pos > title && pos[-1] == ' ') | |
| 667 --pos; | |
| 668 *pos = 0; | |
| 669 } | |
| 670 // Now concatenate | |
| 415 | 671 strncpy(temp, _("Edit with existing Vim - "), BUFSIZE - 1); |
| 1953 | 672 temp[BUFSIZE - 1] = '\0'; |
| 673 strncat(temp, title, BUFSIZE - 1 - strlen(temp)); | |
| 674 temp[BUFSIZE - 1] = '\0'; | |
| 10 | 675 InsertMenu(hMenu, |
| 676 indexMenu++, | |
| 677 MF_STRING|MF_BYPOSITION, | |
| 678 idCmd++, | |
| 679 temp); | |
| 680 } | |
| 681 // InsertMenu(hMenu, indexMenu++, MF_SEPARATOR|MF_BYPOSITION, 0, NULL); | |
| 682 | |
| 683 // Must return number of menu items we added. | |
| 684 return ResultFromShort(idCmd-idCmdFirst); | |
| 685 } | |
| 686 | |
| 687 // | |
| 688 // FUNCTION: CShellExt::InvokeCommand(LPCMINVOKECOMMANDINFO) | |
| 689 // | |
| 690 // PURPOSE: Called by the shell after the user has selected on of the | |
| 691 // menu items that was added in QueryContextMenu(). | |
| 692 // | |
| 693 // PARAMETERS: | |
| 694 // lpcmi - Pointer to an CMINVOKECOMMANDINFO structure | |
| 695 // | |
| 696 // RETURN VALUE: | |
| 697 // | |
| 698 // | |
| 699 // COMMENTS: | |
| 700 // | |
| 701 | |
| 702 STDMETHODIMP CShellExt::InvokeCommand(LPCMINVOKECOMMANDINFO lpcmi) | |
| 703 { | |
| 704 HRESULT hr = E_INVALIDARG; | |
| 705 | |
| 706 // If HIWORD(lpcmi->lpVerb) then we have been called programmatically | |
| 707 // and lpVerb is a command that should be invoked. Otherwise, the shell | |
| 708 // has called us, and LOWORD(lpcmi->lpVerb) is the menu ID the user has | |
| 709 // selected. Actually, it's (menu ID - idCmdFirst) from QueryContextMenu(). | |
| 710 if (!HIWORD(lpcmi->lpVerb)) | |
| 711 { | |
| 712 UINT idCmd = LOWORD(lpcmi->lpVerb); | |
| 713 | |
| 714 if (idCmd >= m_edit_existing_off) | |
| 715 { | |
| 716 // Existing with vim instance | |
| 717 hr = PushToWindow(lpcmi->hwnd, | |
| 718 lpcmi->lpDirectory, | |
| 719 lpcmi->lpVerb, | |
| 720 lpcmi->lpParameters, | |
| 721 lpcmi->nShow, | |
| 722 idCmd - m_edit_existing_off); | |
| 723 } | |
| 724 else | |
| 725 { | |
| 726 switch (idCmd) | |
| 727 { | |
| 728 case 0: | |
| 729 hr = InvokeGvim(lpcmi->hwnd, | |
| 730 lpcmi->lpDirectory, | |
| 731 lpcmi->lpVerb, | |
| 732 lpcmi->lpParameters, | |
| 733 lpcmi->nShow); | |
| 734 break; | |
| 735 case 1: | |
| 736 hr = InvokeSingleGvim(lpcmi->hwnd, | |
| 737 lpcmi->lpDirectory, | |
| 738 lpcmi->lpVerb, | |
| 739 lpcmi->lpParameters, | |
| 740 lpcmi->nShow, | |
| 741 0); | |
| 742 break; | |
| 743 case 2: | |
| 744 hr = InvokeSingleGvim(lpcmi->hwnd, | |
| 745 lpcmi->lpDirectory, | |
| 746 lpcmi->lpVerb, | |
| 747 lpcmi->lpParameters, | |
| 748 lpcmi->nShow, | |
| 749 1); | |
| 750 break; | |
| 751 } | |
| 752 } | |
| 753 } | |
| 754 return hr; | |
| 755 } | |
| 756 | |
| 1686 | 757 STDMETHODIMP CShellExt::PushToWindow(HWND /* hParent */, |
| 758 LPCSTR /* pszWorkingDir */, | |
| 759 LPCSTR /* pszCmd */, | |
| 760 LPCSTR /* pszParam */, | |
| 761 int /* iShowCmd */, | |
| 10 | 762 int idHWnd) |
| 763 { | |
| 764 HWND hWnd = m_hWnd[idHWnd]; | |
| 765 | |
| 766 // Show and bring vim instance to foreground | |
| 767 if (IsIconic(hWnd) != 0) | |
| 768 ShowWindow(hWnd, SW_RESTORE); | |
| 769 else | |
| 770 ShowWindow(hWnd, SW_SHOW); | |
| 771 SetForegroundWindow(hWnd); | |
| 772 | |
| 773 // Post the selected files to the vim instance | |
| 774 PostMessage(hWnd, WM_DROPFILES, (WPARAM)medium.hGlobal, 0); | |
| 775 | |
| 776 return NOERROR; | |
| 777 } | |
| 778 | |
| 1686 | 779 STDMETHODIMP CShellExt::GetCommandString(UINT_PTR /* idCmd */, |
| 10 | 780 UINT uFlags, |
| 1686 | 781 UINT FAR * /* reserved */, |
| 10 | 782 LPSTR pszName, |
| 783 UINT cchMax) | |
| 784 { | |
| 785 if (uFlags == GCS_HELPTEXT && cchMax > 35) | |
| 786 lstrcpy(pszName, _("Edits the selected file(s) with Vim")); | |
| 787 | |
| 788 return NOERROR; | |
| 789 } | |
| 790 | |
| 791 BOOL CALLBACK CShellExt::EnumWindowsProc(HWND hWnd, LPARAM lParam) | |
| 792 { | |
| 415 | 793 char temp[BUFSIZE]; |
| 10 | 794 |
| 795 // First do a bunch of check | |
| 796 // No invisible window | |
| 797 if (!IsWindowVisible(hWnd)) return TRUE; | |
| 798 // No child window ??? | |
| 799 // if (GetParent(hWnd)) return TRUE; | |
| 800 // Class name should be Vim, if failed to get class name, return | |
| 801 if (GetClassName(hWnd, temp, sizeof(temp)) == 0) | |
| 802 return TRUE; | |
| 803 // Compare class name to that of vim, if not, return | |
| 804 if (_strnicmp(temp, "vim", sizeof("vim")) != 0) | |
| 805 return TRUE; | |
| 806 // First check if the number of vim instance exceeds MAX_HWND | |
| 807 CShellExt *cs = (CShellExt*) lParam; | |
| 808 if (cs->m_cntOfHWnd >= MAX_HWND) return TRUE; | |
| 809 // Now we get the vim window, put it into some kind of array | |
| 810 cs->m_hWnd[cs->m_cntOfHWnd] = hWnd; | |
| 811 cs->m_cntOfHWnd ++; | |
| 812 | |
| 813 return TRUE; // continue enumeration (otherwise this would be false) | |
| 814 } | |
| 815 | |
| 816 #ifdef WIN32 | |
| 817 // This symbol is not defined in older versions of the SDK or Visual C++. | |
| 818 | |
| 819 #ifndef VER_PLATFORM_WIN32_WINDOWS | |
| 820 # define VER_PLATFORM_WIN32_WINDOWS 1 | |
| 821 #endif | |
| 822 | |
| 823 static DWORD g_PlatformId; | |
| 824 | |
| 825 // | |
| 826 // Set g_PlatformId to VER_PLATFORM_WIN32_NT (NT) or | |
| 827 // VER_PLATFORM_WIN32_WINDOWS (Win95). | |
| 828 // | |
| 829 static void | |
| 830 PlatformId(void) | |
| 831 { | |
| 832 static int done = FALSE; | |
| 833 | |
| 834 if (!done) | |
| 835 { | |
| 836 OSVERSIONINFO ovi; | |
| 837 | |
| 838 ovi.dwOSVersionInfoSize = sizeof(ovi); | |
| 839 GetVersionEx(&ovi); | |
| 840 | |
| 841 g_PlatformId = ovi.dwPlatformId; | |
| 842 done = TRUE; | |
| 843 } | |
| 844 } | |
| 845 | |
| 846 # ifndef __BORLANDC__ | |
| 847 static char * | |
| 848 searchpath(char *name) | |
| 849 { | |
| 415 | 850 static char widename[2 * BUFSIZE]; |
| 851 static char location[2 * BUFSIZE + 2]; | |
| 10 | 852 |
| 853 // There appears to be a bug in FindExecutableA() on Windows NT. | |
| 854 // Use FindExecutableW() instead... | |
| 855 PlatformId(); | |
| 856 if (g_PlatformId == VER_PLATFORM_WIN32_NT) | |
| 857 { | |
| 858 MultiByteToWideChar(CP_ACP, 0, (LPCTSTR)name, -1, | |
| 415 | 859 (LPWSTR)widename, BUFSIZE); |
| 10 | 860 if (FindExecutableW((LPCWSTR)widename, (LPCWSTR)"", |
| 861 (LPWSTR)location) > (HINSTANCE)32) | |
| 862 { | |
| 863 WideCharToMultiByte(CP_ACP, 0, (LPWSTR)location, -1, | |
| 415 | 864 (LPSTR)widename, 2 * BUFSIZE, NULL, NULL); |
| 10 | 865 return widename; |
| 866 } | |
| 867 } | |
| 868 else | |
| 869 { | |
| 870 if (FindExecutableA((LPCTSTR)name, (LPCTSTR)"", | |
| 871 (LPTSTR)location) > (HINSTANCE)32) | |
| 872 return location; | |
| 873 } | |
| 1366 | 874 return (char *)""; |
| 10 | 875 } |
| 876 # endif | |
| 877 #endif | |
| 878 | |
| 879 STDMETHODIMP CShellExt::InvokeGvim(HWND hParent, | |
| 1686 | 880 LPCSTR /* pszWorkingDir */, |
| 881 LPCSTR /* pszCmd */, | |
| 882 LPCSTR /* pszParam */, | |
| 883 int /* iShowCmd */) | |
| 10 | 884 { |
|
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885 wchar_t m_szFileUserClickedOn[BUFSIZE]; |
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886 wchar_t cmdStrW[BUFSIZE]; |
| 10 | 887 UINT i; |
| 888 | |
| 889 for (i = 0; i < cbFiles; i++) | |
| 890 { | |
|
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891 DragQueryFileW((HDROP)medium.hGlobal, |
| 10 | 892 i, |
| 893 m_szFileUserClickedOn, | |
| 894 sizeof(m_szFileUserClickedOn)); | |
| 895 | |
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896 getGvimNameW(cmdStrW); |
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897 wcscat(cmdStrW, L" \""); |
| 10 | 898 |
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899 if ((wcslen(cmdStrW) + wcslen(m_szFileUserClickedOn) + 2) < BUFSIZE) |
| 10 | 900 { |
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901 wcscat(cmdStrW, m_szFileUserClickedOn); |
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902 wcscat(cmdStrW, L"\""); |
| 10 | 903 |
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904 STARTUPINFOW si; |
| 10 | 905 PROCESS_INFORMATION pi; |
| 906 | |
| 907 ZeroMemory(&si, sizeof(si)); | |
| 908 si.cb = sizeof(si); | |
| 909 | |
| 910 // Start the child process. | |
|
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911 if (!CreateProcessW(NULL, // No module name (use command line). |
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912 cmdStrW, // Command line. |
| 10 | 913 NULL, // Process handle not inheritable. |
| 914 NULL, // Thread handle not inheritable. | |
| 915 FALSE, // Set handle inheritance to FALSE. | |
| 3008 | 916 oldenv == NULL ? 0 : CREATE_UNICODE_ENVIRONMENT, |
| 917 oldenv, // Use unmodified environment block. | |
| 10 | 918 NULL, // Use parent's starting directory. |
| 919 &si, // Pointer to STARTUPINFO structure. | |
| 920 &pi) // Pointer to PROCESS_INFORMATION structure. | |
| 921 ) | |
| 922 { | |
| 923 MessageBox( | |
| 924 hParent, | |
| 925 _("Error creating process: Check if gvim is in your path!"), | |
| 926 _("gvimext.dll error"), | |
| 927 MB_OK); | |
| 928 } | |
| 929 else | |
| 930 { | |
| 931 CloseHandle( pi.hProcess ); | |
| 932 CloseHandle( pi.hThread ); | |
| 933 } | |
| 934 } | |
| 935 else | |
| 936 { | |
| 937 MessageBox( | |
| 938 hParent, | |
| 939 _("Path length too long!"), | |
| 940 _("gvimext.dll error"), | |
| 941 MB_OK); | |
| 942 } | |
| 943 } | |
| 944 | |
| 945 return NOERROR; | |
| 946 } | |
| 947 | |
| 948 | |
| 949 STDMETHODIMP CShellExt::InvokeSingleGvim(HWND hParent, | |
| 1686 | 950 LPCSTR /* pszWorkingDir */, |
| 951 LPCSTR /* pszCmd */, | |
| 952 LPCSTR /* pszParam */, | |
| 953 int /* iShowCmd */, | |
| 10 | 954 int useDiff) |
| 955 { | |
|
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956 wchar_t m_szFileUserClickedOn[BUFSIZE]; |
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957 wchar_t *cmdStrW; |
| 10 | 958 size_t cmdlen; |
| 959 size_t len; | |
| 960 UINT i; | |
| 961 | |
| 415 | 962 cmdlen = BUFSIZE; |
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963 cmdStrW = (wchar_t *) malloc(cmdlen * sizeof(wchar_t)); |
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964 getGvimNameW(cmdStrW); |
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965 |
| 10 | 966 if (useDiff) |
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967 wcscat(cmdStrW, L" -d"); |
| 10 | 968 for (i = 0; i < cbFiles; i++) |
| 969 { | |
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970 DragQueryFileW((HDROP)medium.hGlobal, |
| 10 | 971 i, |
| 972 m_szFileUserClickedOn, | |
| 973 sizeof(m_szFileUserClickedOn)); | |
| 974 | |
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975 len = wcslen(cmdStrW) + wcslen(m_szFileUserClickedOn) + 4; |
| 10 | 976 if (len > cmdlen) |
| 977 { | |
| 415 | 978 cmdlen = len + BUFSIZE; |
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979 cmdStrW = (wchar_t *)realloc(cmdStrW, cmdlen * sizeof(wchar_t)); |
| 10 | 980 } |
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981 wcscat(cmdStrW, L" \""); |
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982 wcscat(cmdStrW, m_szFileUserClickedOn); |
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983 wcscat(cmdStrW, L"\""); |
| 10 | 984 } |
| 985 | |
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986 STARTUPINFOW si; |
| 10 | 987 PROCESS_INFORMATION pi; |
| 988 | |
| 989 ZeroMemory(&si, sizeof(si)); | |
| 990 si.cb = sizeof(si); | |
| 991 | |
| 992 // Start the child process. | |
|
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993 if (!CreateProcessW(NULL, // No module name (use command line). |
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994 cmdStrW, // Command line. |
| 10 | 995 NULL, // Process handle not inheritable. |
| 996 NULL, // Thread handle not inheritable. | |
| 997 FALSE, // Set handle inheritance to FALSE. | |
| 3008 | 998 oldenv == NULL ? 0 : CREATE_UNICODE_ENVIRONMENT, |
| 999 oldenv, // Use unmodified environment block. | |
| 10 | 1000 NULL, // Use parent's starting directory. |
| 1001 &si, // Pointer to STARTUPINFO structure. | |
| 1002 &pi) // Pointer to PROCESS_INFORMATION structure. | |
| 1003 ) | |
| 1004 { | |
| 1005 MessageBox( | |
| 1006 hParent, | |
| 1007 _("Error creating process: Check if gvim is in your path!"), | |
| 1008 _("gvimext.dll error"), | |
| 1009 MB_OK); | |
| 1010 } | |
| 1011 else | |
| 1012 { | |
| 1013 CloseHandle(pi.hProcess); | |
| 1014 CloseHandle(pi.hThread); | |
| 1015 } | |
| 1016 | |
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1017 free(cmdStrW); |
| 10 | 1018 |
| 1019 return NOERROR; | |
| 1020 } |