Mercurial > vim
annotate src/GvimExt/gvimext.cpp @ 18478:94223687df0e
Added tag v8.1.2233 for changeset e93cab5d0f0f27fad7882f1f412927df055b090d
| author | Bram Moolenaar <Bram@vim.org> |
|---|---|
| date | Tue, 29 Oct 2019 04:30:05 +0100 |
| parents | 7e733046db1d |
| children | db65bb242582 |
| 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 static char *searchpath(char *name); | |
| 20 | |
| 21 // Always get an error while putting the following stuff to the | |
| 22 // gvimext.h file as class protected variables, give up and | |
| 23 // declare them as global stuff | |
| 24 FORMATETC fmte = {CF_HDROP, | |
| 25 (DVTARGETDEVICE FAR *)NULL, | |
| 26 DVASPECT_CONTENT, | |
| 27 -1, | |
| 28 TYMED_HGLOBAL | |
| 29 }; | |
| 30 STGMEDIUM medium; | |
| 31 HRESULT hres = 0; | |
| 32 UINT cbFiles = 0; | |
| 33 | |
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34 /* The buffers size used to be MAX_PATH (260 bytes), but that's not always |
| 415 | 35 * enough */ |
| 36 #define BUFSIZE 1100 | |
| 37 | |
| 10 | 38 // |
| 39 // Get the name of the Gvim executable to use, with the path. | |
| 40 // When "runtime" is non-zero, we were called to find the runtime directory. | |
| 415 | 41 // Returns the path in name[BUFSIZE]. It's empty when it fails. |
| 10 | 42 // |
| 43 static void | |
| 44 getGvimName(char *name, int runtime) | |
| 45 { | |
| 46 HKEY keyhandle; | |
| 47 DWORD hlen; | |
| 48 | |
| 49 // Get the location of gvim from the registry. | |
| 50 name[0] = 0; | |
| 51 if (RegOpenKeyEx(HKEY_LOCAL_MACHINE, "Software\\Vim\\Gvim", 0, | |
| 52 KEY_READ, &keyhandle) == ERROR_SUCCESS) | |
| 53 { | |
| 415 | 54 hlen = BUFSIZE; |
| 10 | 55 if (RegQueryValueEx(keyhandle, "path", 0, NULL, (BYTE *)name, &hlen) |
| 56 != ERROR_SUCCESS) | |
| 57 name[0] = 0; | |
| 58 else | |
| 59 name[hlen] = 0; | |
| 60 RegCloseKey(keyhandle); | |
| 61 } | |
| 62 | |
| 63 // Registry didn't work, use the search path. | |
| 64 if (name[0] == 0) | |
| 1366 | 65 strcpy(name, searchpath((char *)"gvim.exe")); |
| 10 | 66 |
| 67 if (!runtime) | |
| 68 { | |
| 69 // Only when looking for the executable, not the runtime dir, we can | |
| 70 // search for the batch file or a name without a path. | |
| 71 if (name[0] == 0) | |
| 1366 | 72 strcpy(name, searchpath((char *)"gvim.bat")); |
| 10 | 73 if (name[0] == 0) |
| 74 strcpy(name, "gvim"); // finds gvim.bat or gvim.exe | |
| 75 } | |
| 76 } | |
| 77 | |
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78 static void |
| 6805 | 79 getGvimInvocation(char *name, int runtime) |
| 80 { | |
| 81 getGvimName(name, runtime); | |
| 82 // avoid that Vim tries to expand wildcards in the file names | |
| 83 strcat(name, " --literal"); | |
| 84 } | |
| 85 | |
| 86 static void | |
| 87 getGvimInvocationW(wchar_t *nameW) | |
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88 { |
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89 char *name; |
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90 |
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91 name = (char *)malloc(BUFSIZE); |
| 6805 | 92 getGvimInvocation(name, 0); |
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93 mbstowcs(nameW, name, BUFSIZE); |
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94 free(name); |
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95 } |
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96 |
| 10 | 97 // |
| 415 | 98 // Get the Vim runtime directory into buf[BUFSIZE]. |
| 10 | 99 // The result is empty when it failed. |
| 100 // When it works, the path ends in a slash or backslash. | |
| 101 // | |
| 102 static void | |
| 103 getRuntimeDir(char *buf) | |
| 104 { | |
| 105 int idx; | |
| 106 | |
| 107 getGvimName(buf, 1); | |
| 108 if (buf[0] != 0) | |
| 109 { | |
| 110 // When no path found, use the search path to expand it. | |
| 111 if (strchr(buf, '/') == NULL && strchr(buf, '\\') == NULL) | |
| 112 strcpy(buf, searchpath(buf)); | |
| 113 | |
| 114 // remove "gvim.exe" from the end | |
| 835 | 115 for (idx = (int)strlen(buf) - 1; idx >= 0; idx--) |
| 10 | 116 if (buf[idx] == '\\' || buf[idx] == '/') |
| 117 { | |
| 118 buf[idx + 1] = 0; | |
| 119 break; | |
| 120 } | |
| 121 } | |
| 122 } | |
| 123 | |
| 6805 | 124 HBITMAP IconToBitmap(HICON hIcon, HBRUSH hBackground, int width, int height) |
| 125 { | |
| 126 HDC hDC = GetDC(NULL); | |
| 127 HDC hMemDC = CreateCompatibleDC(hDC); | |
| 128 HBITMAP hMemBmp = CreateCompatibleBitmap(hDC, width, height); | |
| 129 HBITMAP hResultBmp = NULL; | |
| 130 HGDIOBJ hOrgBMP = SelectObject(hMemDC, hMemBmp); | |
| 131 | |
| 132 DrawIconEx(hMemDC, 0, 0, hIcon, width, height, 0, hBackground, DI_NORMAL); | |
| 133 | |
| 134 hResultBmp = hMemBmp; | |
| 135 hMemBmp = NULL; | |
| 136 | |
| 137 SelectObject(hMemDC, hOrgBMP); | |
| 138 DeleteDC(hMemDC); | |
| 139 ReleaseDC(NULL, hDC); | |
| 140 DestroyIcon(hIcon); | |
| 141 return hResultBmp; | |
| 142 } | |
| 143 | |
| 10 | 144 // |
| 145 // GETTEXT: translated messages and menu entries | |
| 146 // | |
| 147 #ifndef FEAT_GETTEXT | |
| 148 # define _(x) x | |
| 149 #else | |
| 150 # define _(x) (*dyn_libintl_gettext)(x) | |
| 151 # define VIMPACKAGE "vim" | |
| 152 # ifndef GETTEXT_DLL | |
| 153 # define GETTEXT_DLL "libintl.dll" | |
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154 # define GETTEXT_DLL_ALT "libintl-8.dll" |
| 10 | 155 # endif |
| 156 | |
| 157 // Dummy functions | |
| 158 static char *null_libintl_gettext(const char *); | |
| 159 static char *null_libintl_textdomain(const char *); | |
| 160 static char *null_libintl_bindtextdomain(const char *, const char *); | |
| 161 static int dyn_libintl_init(char *dir); | |
| 162 static void dyn_libintl_end(void); | |
| 163 | |
| 3008 | 164 static wchar_t *oldenv = NULL; |
| 10 | 165 static HINSTANCE hLibintlDLL = 0; |
| 166 static char *(*dyn_libintl_gettext)(const char *) = null_libintl_gettext; | |
| 167 static char *(*dyn_libintl_textdomain)(const char *) = null_libintl_textdomain; | |
| 168 static char *(*dyn_libintl_bindtextdomain)(const char *, const char *) | |
| 169 = null_libintl_bindtextdomain; | |
| 170 | |
| 171 // | |
| 172 // Attempt to load libintl.dll. If it doesn't work, use dummy functions. | |
| 173 // "dir" is the directory where the libintl.dll might be. | |
| 174 // Return 1 for success, 0 for failure. | |
| 175 // | |
| 176 static int | |
| 177 dyn_libintl_init(char *dir) | |
| 178 { | |
| 179 int i; | |
| 180 static struct | |
| 181 { | |
| 182 char *name; | |
| 183 FARPROC *ptr; | |
| 184 } libintl_entry[] = | |
| 185 { | |
| 1366 | 186 {(char *)"gettext", (FARPROC*)&dyn_libintl_gettext}, |
| 187 {(char *)"textdomain", (FARPROC*)&dyn_libintl_textdomain}, | |
| 188 {(char *)"bindtextdomain", (FARPROC*)&dyn_libintl_bindtextdomain}, | |
| 10 | 189 {NULL, NULL} |
| 190 }; | |
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191 DWORD len, len2; |
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192 LPWSTR buf = NULL; |
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193 LPWSTR buf2 = NULL; |
| 10 | 194 |
| 195 // No need to initialize twice. | |
| 196 if (hLibintlDLL) | |
| 197 return 1; | |
| 198 | |
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199 // Load gettext library from $VIMRUNTIME\GvimExt{64,32} directory. |
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200 // Add the directory to $PATH temporarily. |
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201 len = GetEnvironmentVariableW(L"PATH", NULL, 0); |
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202 len2 = MAX_PATH + 1 + len; |
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203 buf = (LPWSTR)malloc(len * sizeof(WCHAR)); |
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204 buf2 = (LPWSTR)malloc(len2 * sizeof(WCHAR)); |
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205 if (buf != NULL && buf2 != NULL) |
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206 { |
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207 GetEnvironmentVariableW(L"PATH", buf, len); |
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208 #ifdef _WIN64 |
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209 _snwprintf(buf2, len2, L"%S\\GvimExt64;%s", dir, buf); |
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210 #else |
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211 _snwprintf(buf2, len2, L"%S\\GvimExt32;%s", dir, buf); |
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212 #endif |
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213 SetEnvironmentVariableW(L"PATH", buf2); |
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214 hLibintlDLL = LoadLibrary(GETTEXT_DLL); |
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215 #ifdef GETTEXT_DLL_ALT |
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216 if (!hLibintlDLL) |
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217 hLibintlDLL = LoadLibrary(GETTEXT_DLL_ALT); |
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218 #endif |
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219 SetEnvironmentVariableW(L"PATH", buf); |
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220 } |
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221 free(buf); |
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222 free(buf2); |
| 10 | 223 if (!hLibintlDLL) |
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224 return 0; |
| 10 | 225 |
| 226 // Get the addresses of the functions we need. | |
| 227 for (i = 0; libintl_entry[i].name != NULL | |
| 228 && libintl_entry[i].ptr != NULL; ++i) | |
| 229 { | |
| 230 if ((*libintl_entry[i].ptr = GetProcAddress(hLibintlDLL, | |
| 231 libintl_entry[i].name)) == NULL) | |
| 232 { | |
| 233 dyn_libintl_end(); | |
| 234 return 0; | |
| 235 } | |
| 236 } | |
| 237 return 1; | |
| 238 } | |
| 239 | |
| 240 static void | |
| 241 dyn_libintl_end(void) | |
| 242 { | |
| 243 if (hLibintlDLL) | |
| 244 FreeLibrary(hLibintlDLL); | |
| 245 hLibintlDLL = NULL; | |
| 246 dyn_libintl_gettext = null_libintl_gettext; | |
| 247 dyn_libintl_textdomain = null_libintl_textdomain; | |
| 248 dyn_libintl_bindtextdomain = null_libintl_bindtextdomain; | |
| 249 } | |
| 250 | |
| 251 static char * | |
| 252 null_libintl_gettext(const char *msgid) | |
| 253 { | |
| 254 return (char *)msgid; | |
| 255 } | |
| 256 | |
| 257 static char * | |
| 1686 | 258 null_libintl_bindtextdomain(const char * /* domainname */, const char * /* dirname */) |
| 10 | 259 { |
| 260 return NULL; | |
| 261 } | |
| 262 | |
| 263 static char * | |
| 1686 | 264 null_libintl_textdomain(const char* /* domainname */) |
| 10 | 265 { |
| 266 return NULL; | |
| 267 } | |
| 268 | |
| 269 // | |
| 270 // Setup for translating strings. | |
| 271 // | |
| 272 static void | |
| 273 dyn_gettext_load(void) | |
| 274 { | |
| 415 | 275 char szBuff[BUFSIZE]; |
| 276 char szLang[BUFSIZE]; | |
| 10 | 277 DWORD len; |
| 278 HKEY keyhandle; | |
| 279 int gotlang = 0; | |
| 280 | |
| 281 strcpy(szLang, "LANG="); | |
| 282 | |
| 283 // First try getting the language from the registry, this can be | |
| 284 // used to overrule the system language. | |
| 285 if (RegOpenKeyEx(HKEY_LOCAL_MACHINE, "Software\\Vim\\Gvim", 0, | |
| 286 KEY_READ, &keyhandle) == ERROR_SUCCESS) | |
| 287 { | |
| 415 | 288 len = BUFSIZE; |
| 10 | 289 if (RegQueryValueEx(keyhandle, "lang", 0, NULL, (BYTE*)szBuff, &len) |
| 290 == ERROR_SUCCESS) | |
| 291 { | |
| 292 szBuff[len] = 0; | |
| 293 strcat(szLang, szBuff); | |
| 294 gotlang = 1; | |
| 295 } | |
| 296 RegCloseKey(keyhandle); | |
| 297 } | |
| 298 | |
| 299 if (!gotlang && getenv("LANG") == NULL) | |
| 300 { | |
| 301 // Get the language from the system. | |
| 302 // Could use LOCALE_SISO639LANGNAME, but it's not in Win95. | |
| 303 // LOCALE_SABBREVLANGNAME gives us three letters, like "enu", we use | |
| 304 // only the first two. | |
| 305 len = GetLocaleInfo(LOCALE_USER_DEFAULT, LOCALE_SABBREVLANGNAME, | |
| 415 | 306 (LPTSTR)szBuff, BUFSIZE); |
| 10 | 307 if (len >= 2 && _strnicmp(szBuff, "en", 2) != 0) |
| 308 { | |
| 309 // There are a few exceptions (probably more) | |
| 310 if (_strnicmp(szBuff, "cht", 3) == 0 | |
| 311 || _strnicmp(szBuff, "zht", 3) == 0) | |
| 312 strcpy(szBuff, "zh_TW"); | |
| 313 else if (_strnicmp(szBuff, "chs", 3) == 0 | |
| 314 || _strnicmp(szBuff, "zhc", 3) == 0) | |
| 315 strcpy(szBuff, "zh_CN"); | |
| 316 else if (_strnicmp(szBuff, "jp", 2) == 0) | |
| 317 strcpy(szBuff, "ja"); | |
| 318 else | |
| 319 szBuff[2] = 0; // truncate to two-letter code | |
| 320 strcat(szLang, szBuff); | |
| 321 gotlang = 1; | |
| 322 } | |
| 323 } | |
| 324 if (gotlang) | |
| 325 putenv(szLang); | |
| 326 | |
| 327 // Try to locate the runtime files. The path is used to find libintl.dll | |
| 328 // and the vim.mo files. | |
| 329 getRuntimeDir(szBuff); | |
| 330 if (szBuff[0] != 0) | |
| 331 { | |
| 835 | 332 len = (DWORD)strlen(szBuff); |
| 10 | 333 if (dyn_libintl_init(szBuff)) |
| 334 { | |
| 335 strcpy(szBuff + len, "lang"); | |
| 336 | |
| 337 (*dyn_libintl_bindtextdomain)(VIMPACKAGE, szBuff); | |
| 338 (*dyn_libintl_textdomain)(VIMPACKAGE); | |
| 339 } | |
| 340 } | |
| 341 } | |
| 342 | |
| 343 static void | |
| 344 dyn_gettext_free(void) | |
| 345 { | |
| 346 dyn_libintl_end(); | |
| 347 } | |
| 348 #endif // FEAT_GETTEXT | |
| 349 | |
| 350 // | |
| 351 // Global variables | |
| 352 // | |
| 353 UINT g_cRefThisDll = 0; // Reference count of this DLL. | |
| 354 HINSTANCE g_hmodThisDll = NULL; // Handle to this DLL itself. | |
| 355 | |
| 356 | |
| 357 //--------------------------------------------------------------------------- | |
| 358 // DllMain | |
| 359 //--------------------------------------------------------------------------- | |
| 360 extern "C" int APIENTRY | |
| 1686 | 361 DllMain(HINSTANCE hInstance, DWORD dwReason, LPVOID /* lpReserved */) |
| 10 | 362 { |
| 363 switch (dwReason) | |
| 364 { | |
| 365 case DLL_PROCESS_ATTACH: | |
| 366 // Extension DLL one-time initialization | |
| 367 g_hmodThisDll = hInstance; | |
| 368 break; | |
| 369 | |
| 370 case DLL_PROCESS_DETACH: | |
| 371 break; | |
| 372 } | |
| 373 | |
| 374 return 1; // ok | |
| 375 } | |
| 376 | |
| 377 static void | |
| 378 inc_cRefThisDLL() | |
| 379 { | |
| 380 #ifdef FEAT_GETTEXT | |
| 3008 | 381 if (g_cRefThisDll == 0) { |
| 10 | 382 dyn_gettext_load(); |
| 3008 | 383 oldenv = GetEnvironmentStringsW(); |
| 384 } | |
| 10 | 385 #endif |
| 386 InterlockedIncrement((LPLONG)&g_cRefThisDll); | |
| 387 } | |
| 388 | |
| 389 static void | |
| 390 dec_cRefThisDLL() | |
| 391 { | |
| 392 #ifdef FEAT_GETTEXT | |
| 3008 | 393 if (InterlockedDecrement((LPLONG)&g_cRefThisDll) == 0) { |
| 10 | 394 dyn_gettext_free(); |
| 3008 | 395 if (oldenv != NULL) { |
| 396 FreeEnvironmentStringsW(oldenv); | |
| 397 oldenv = NULL; | |
| 398 } | |
| 399 } | |
| 10 | 400 #else |
| 401 InterlockedDecrement((LPLONG)&g_cRefThisDll); | |
| 402 #endif | |
| 403 } | |
| 404 | |
| 405 //--------------------------------------------------------------------------- | |
| 406 // DllCanUnloadNow | |
| 407 //--------------------------------------------------------------------------- | |
| 408 | |
| 409 STDAPI DllCanUnloadNow(void) | |
| 410 { | |
| 411 return (g_cRefThisDll == 0 ? S_OK : S_FALSE); | |
| 412 } | |
| 413 | |
| 414 STDAPI DllGetClassObject(REFCLSID rclsid, REFIID riid, LPVOID *ppvOut) | |
| 415 { | |
| 416 *ppvOut = NULL; | |
| 417 | |
| 418 if (IsEqualIID(rclsid, CLSID_ShellExtension)) | |
| 419 { | |
| 420 CShellExtClassFactory *pcf = new CShellExtClassFactory; | |
| 421 | |
| 422 return pcf->QueryInterface(riid, ppvOut); | |
| 423 } | |
| 424 | |
| 425 return CLASS_E_CLASSNOTAVAILABLE; | |
| 426 } | |
| 427 | |
| 428 CShellExtClassFactory::CShellExtClassFactory() | |
| 429 { | |
| 430 m_cRef = 0L; | |
| 431 | |
| 432 inc_cRefThisDLL(); | |
| 433 } | |
| 434 | |
| 435 CShellExtClassFactory::~CShellExtClassFactory() | |
| 436 { | |
| 437 dec_cRefThisDLL(); | |
| 438 } | |
| 439 | |
| 440 STDMETHODIMP CShellExtClassFactory::QueryInterface(REFIID riid, | |
| 441 LPVOID FAR *ppv) | |
| 442 { | |
| 443 *ppv = NULL; | |
| 444 | |
| 6805 | 445 // any interface on this object is the object pointer |
| 10 | 446 |
| 447 if (IsEqualIID(riid, IID_IUnknown) || IsEqualIID(riid, IID_IClassFactory)) | |
| 448 { | |
| 449 *ppv = (LPCLASSFACTORY)this; | |
| 450 | |
| 451 AddRef(); | |
| 452 | |
| 453 return NOERROR; | |
| 454 } | |
| 455 | |
| 456 return E_NOINTERFACE; | |
| 457 } | |
| 458 | |
| 459 STDMETHODIMP_(ULONG) CShellExtClassFactory::AddRef() | |
| 460 { | |
| 461 return InterlockedIncrement((LPLONG)&m_cRef); | |
| 462 } | |
| 463 | |
| 464 STDMETHODIMP_(ULONG) CShellExtClassFactory::Release() | |
| 465 { | |
| 466 if (InterlockedDecrement((LPLONG)&m_cRef)) | |
| 467 return m_cRef; | |
| 468 | |
| 469 delete this; | |
| 470 | |
| 471 return 0L; | |
| 472 } | |
| 473 | |
| 474 STDMETHODIMP CShellExtClassFactory::CreateInstance(LPUNKNOWN pUnkOuter, | |
| 475 REFIID riid, | |
| 476 LPVOID *ppvObj) | |
| 477 { | |
| 478 *ppvObj = NULL; | |
| 479 | |
| 480 // Shell extensions typically don't support aggregation (inheritance) | |
| 481 | |
| 482 if (pUnkOuter) | |
| 483 return CLASS_E_NOAGGREGATION; | |
| 484 | |
| 485 // Create the main shell extension object. The shell will then call | |
| 486 // QueryInterface with IID_IShellExtInit--this is how shell extensions are | |
| 487 // initialized. | |
| 488 | |
| 6805 | 489 LPCSHELLEXT pShellExt = new CShellExt(); // create the CShellExt object |
| 10 | 490 |
| 491 if (NULL == pShellExt) | |
| 492 return E_OUTOFMEMORY; | |
| 493 | |
| 494 return pShellExt->QueryInterface(riid, ppvObj); | |
| 495 } | |
| 496 | |
| 497 | |
| 1686 | 498 STDMETHODIMP CShellExtClassFactory::LockServer(BOOL /* fLock */) |
| 10 | 499 { |
| 500 return NOERROR; | |
| 501 } | |
| 502 | |
| 503 // *********************** CShellExt ************************* | |
| 504 CShellExt::CShellExt() | |
| 505 { | |
| 506 m_cRef = 0L; | |
| 507 m_pDataObj = NULL; | |
| 508 | |
| 509 inc_cRefThisDLL(); | |
| 6805 | 510 |
| 511 LoadMenuIcon(); | |
| 10 | 512 } |
| 513 | |
| 514 CShellExt::~CShellExt() | |
| 515 { | |
| 516 if (m_pDataObj) | |
| 517 m_pDataObj->Release(); | |
| 518 | |
| 519 dec_cRefThisDLL(); | |
| 6805 | 520 |
| 521 if (m_hVimIconBitmap) | |
| 522 DeleteObject(m_hVimIconBitmap); | |
| 10 | 523 } |
| 524 | |
| 525 STDMETHODIMP CShellExt::QueryInterface(REFIID riid, LPVOID FAR *ppv) | |
| 526 { | |
| 527 *ppv = NULL; | |
| 528 | |
| 529 if (IsEqualIID(riid, IID_IShellExtInit) || IsEqualIID(riid, IID_IUnknown)) | |
| 530 { | |
| 531 *ppv = (LPSHELLEXTINIT)this; | |
| 532 } | |
| 533 else if (IsEqualIID(riid, IID_IContextMenu)) | |
| 534 { | |
| 535 *ppv = (LPCONTEXTMENU)this; | |
| 536 } | |
| 537 | |
| 538 if (*ppv) | |
| 539 { | |
| 540 AddRef(); | |
| 541 | |
| 542 return NOERROR; | |
| 543 } | |
| 544 | |
| 545 return E_NOINTERFACE; | |
| 546 } | |
| 547 | |
| 548 STDMETHODIMP_(ULONG) CShellExt::AddRef() | |
| 549 { | |
| 550 return InterlockedIncrement((LPLONG)&m_cRef); | |
| 551 } | |
| 552 | |
| 553 STDMETHODIMP_(ULONG) CShellExt::Release() | |
| 554 { | |
| 555 | |
| 556 if (InterlockedDecrement((LPLONG)&m_cRef)) | |
| 557 return m_cRef; | |
| 558 | |
| 559 delete this; | |
| 560 | |
| 561 return 0L; | |
| 562 } | |
| 563 | |
| 564 | |
| 565 // | |
| 566 // FUNCTION: CShellExt::Initialize(LPCITEMIDLIST, LPDATAOBJECT, HKEY) | |
| 567 // | |
| 568 // PURPOSE: Called by the shell when initializing a context menu or property | |
| 569 // sheet extension. | |
| 570 // | |
| 571 // PARAMETERS: | |
| 572 // pIDFolder - Specifies the parent folder | |
| 4352 | 573 // pDataObj - Specifies the set of items selected in that folder. |
| 10 | 574 // hRegKey - Specifies the type of the focused item in the selection. |
| 575 // | |
| 576 // RETURN VALUE: | |
| 577 // | |
| 578 // NOERROR in all cases. | |
| 579 // | |
| 580 // COMMENTS: Note that at the time this function is called, we don't know | |
| 581 // (or care) what type of shell extension is being initialized. | |
| 582 // It could be a context menu or a property sheet. | |
| 583 // | |
| 584 | |
| 1686 | 585 STDMETHODIMP CShellExt::Initialize(LPCITEMIDLIST /* pIDFolder */, |
| 10 | 586 LPDATAOBJECT pDataObj, |
| 1686 | 587 HKEY /* hRegKey */) |
| 10 | 588 { |
| 589 // Initialize can be called more than once | |
| 590 if (m_pDataObj) | |
| 591 m_pDataObj->Release(); | |
| 592 | |
| 593 // duplicate the object pointer and registry handle | |
| 594 | |
| 595 if (pDataObj) | |
| 596 { | |
| 597 m_pDataObj = pDataObj; | |
| 598 pDataObj->AddRef(); | |
| 599 } | |
| 600 | |
| 601 return NOERROR; | |
| 602 } | |
| 603 | |
| 604 | |
| 605 // | |
| 606 // FUNCTION: CShellExt::QueryContextMenu(HMENU, UINT, UINT, UINT, UINT) | |
| 607 // | |
| 608 // PURPOSE: Called by the shell just before the context menu is displayed. | |
| 609 // This is where you add your specific menu items. | |
| 610 // | |
| 611 // PARAMETERS: | |
| 612 // hMenu - Handle to the context menu | |
| 613 // indexMenu - Index of where to begin inserting menu items | |
| 614 // idCmdFirst - Lowest value for new menu ID's | |
| 615 // idCmtLast - Highest value for new menu ID's | |
| 616 // uFlags - Specifies the context of the menu event | |
| 617 // | |
| 618 // RETURN VALUE: | |
| 619 // | |
| 620 // | |
| 621 // COMMENTS: | |
| 622 // | |
| 623 | |
| 624 STDMETHODIMP CShellExt::QueryContextMenu(HMENU hMenu, | |
| 625 UINT indexMenu, | |
| 626 UINT idCmdFirst, | |
| 1686 | 627 UINT /* idCmdLast */, |
| 628 UINT /* uFlags */) | |
| 10 | 629 { |
| 630 UINT idCmd = idCmdFirst; | |
| 631 | |
| 632 hres = m_pDataObj->GetData(&fmte, &medium); | |
| 633 if (medium.hGlobal) | |
| 634 cbFiles = DragQueryFile((HDROP)medium.hGlobal, (UINT)-1, 0, 0); | |
| 635 | |
| 636 // InsertMenu(hMenu, indexMenu++, MF_SEPARATOR|MF_BYPOSITION, 0, NULL); | |
| 637 | |
| 638 // Initialize m_cntOfHWnd to 0 | |
| 639 m_cntOfHWnd = 0; | |
| 2972 | 640 |
| 641 HKEY keyhandle; | |
| 642 bool showExisting = true; | |
| 6805 | 643 bool showIcons = true; |
| 2972 | 644 |
| 645 // Check whether "Edit with existing Vim" entries are disabled. | |
| 646 if (RegOpenKeyEx(HKEY_LOCAL_MACHINE, "Software\\Vim\\Gvim", 0, | |
| 647 KEY_READ, &keyhandle) == ERROR_SUCCESS) | |
| 648 { | |
| 649 if (RegQueryValueEx(keyhandle, "DisableEditWithExisting", 0, NULL, | |
| 650 NULL, NULL) == ERROR_SUCCESS) | |
| 651 showExisting = false; | |
| 6805 | 652 if (RegQueryValueEx(keyhandle, "DisableContextMenuIcons", 0, NULL, |
| 653 NULL, NULL) == ERROR_SUCCESS) | |
| 654 showIcons = false; | |
| 2972 | 655 RegCloseKey(keyhandle); |
| 656 } | |
| 657 | |
| 658 // Retrieve all the vim instances, unless disabled. | |
| 659 if (showExisting) | |
| 660 EnumWindows(EnumWindowsProc, (LPARAM)this); | |
| 10 | 661 |
| 6805 | 662 MENUITEMINFO mii = { sizeof(MENUITEMINFO) }; |
| 663 mii.fMask = MIIM_STRING | MIIM_ID; | |
| 664 if (showIcons) | |
| 665 { | |
| 666 mii.fMask |= MIIM_BITMAP; | |
| 667 mii.hbmpItem = m_hVimIconBitmap; | |
| 668 } | |
| 669 | |
| 10 | 670 if (cbFiles > 1) |
| 671 { | |
| 6805 | 672 mii.wID = idCmd++; |
| 673 mii.dwTypeData = _("Edit with &multiple Vims"); | |
| 674 mii.cch = lstrlen(mii.dwTypeData); | |
| 675 InsertMenuItem(hMenu, indexMenu++, TRUE, &mii); | |
| 10 | 676 |
| 6805 | 677 mii.wID = idCmd++; |
| 678 mii.dwTypeData = _("Edit with single &Vim"); | |
| 679 mii.cch = lstrlen(mii.dwTypeData); | |
| 680 InsertMenuItem(hMenu, indexMenu++, TRUE, &mii); | |
| 10 | 681 |
| 682 if (cbFiles <= 4) | |
| 683 { | |
| 684 // Can edit up to 4 files in diff mode | |
| 6805 | 685 mii.wID = idCmd++; |
| 686 mii.dwTypeData = _("Diff with Vim"); | |
| 687 mii.cch = lstrlen(mii.dwTypeData); | |
| 688 InsertMenuItem(hMenu, indexMenu++, TRUE, &mii); | |
| 10 | 689 m_edit_existing_off = 3; |
| 690 } | |
| 691 else | |
| 692 m_edit_existing_off = 2; | |
| 693 | |
| 694 } | |
| 695 else | |
| 696 { | |
| 6805 | 697 mii.wID = idCmd++; |
| 698 mii.dwTypeData = _("Edit with &Vim"); | |
| 699 mii.cch = lstrlen(mii.dwTypeData); | |
| 700 InsertMenuItem(hMenu, indexMenu++, TRUE, &mii); | |
| 10 | 701 m_edit_existing_off = 1; |
| 702 } | |
| 703 | |
|
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704 HMENU hSubMenu = NULL; |
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705 if (m_cntOfHWnd > 1) |
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706 { |
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707 hSubMenu = CreatePopupMenu(); |
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708 mii.fMask |= MIIM_SUBMENU; |
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709 mii.wID = idCmd; |
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710 mii.dwTypeData = _("Edit with existing Vim"); |
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711 mii.cch = lstrlen(mii.dwTypeData); |
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712 mii.hSubMenu = hSubMenu; |
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713 InsertMenuItem(hMenu, indexMenu++, TRUE, &mii); |
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714 mii.fMask = mii.fMask & ~MIIM_SUBMENU; |
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715 mii.hSubMenu = NULL; |
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716 } |
| 10 | 717 // Now display all the vim instances |
| 718 for (int i = 0; i < m_cntOfHWnd; i++) | |
| 719 { | |
| 415 | 720 char title[BUFSIZE]; |
| 721 char temp[BUFSIZE]; | |
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722 int index; |
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723 HMENU hmenu; |
| 10 | 724 |
| 725 // Obtain window title, continue if can not | |
| 415 | 726 if (GetWindowText(m_hWnd[i], title, BUFSIZE - 1) == 0) |
| 10 | 727 continue; |
| 728 // Truncate the title before the path, keep the file name | |
| 729 char *pos = strchr(title, '('); | |
| 730 if (pos != NULL) | |
| 731 { | |
| 732 if (pos > title && pos[-1] == ' ') | |
| 733 --pos; | |
| 734 *pos = 0; | |
| 735 } | |
| 736 // Now concatenate | |
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737 if (m_cntOfHWnd > 1) |
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738 temp[0] = '\0'; |
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739 else |
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740 { |
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741 strncpy(temp, _("Edit with existing Vim - "), BUFSIZE - 1); |
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742 temp[BUFSIZE - 1] = '\0'; |
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743 } |
| 1953 | 744 strncat(temp, title, BUFSIZE - 1 - strlen(temp)); |
| 745 temp[BUFSIZE - 1] = '\0'; | |
| 6805 | 746 |
| 747 mii.wID = idCmd++; | |
| 748 mii.dwTypeData = temp; | |
| 749 mii.cch = lstrlen(mii.dwTypeData); | |
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750 if (m_cntOfHWnd > 1) |
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751 { |
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752 hmenu = hSubMenu; |
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753 index = i; |
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754 } |
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755 else |
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756 { |
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757 hmenu = hMenu; |
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758 index = indexMenu++; |
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759 } |
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760 InsertMenuItem(hmenu, index, TRUE, &mii); |
| 10 | 761 } |
| 762 // InsertMenu(hMenu, indexMenu++, MF_SEPARATOR|MF_BYPOSITION, 0, NULL); | |
| 763 | |
| 764 // Must return number of menu items we added. | |
| 765 return ResultFromShort(idCmd-idCmdFirst); | |
| 766 } | |
| 767 | |
| 768 // | |
| 769 // FUNCTION: CShellExt::InvokeCommand(LPCMINVOKECOMMANDINFO) | |
| 770 // | |
| 771 // PURPOSE: Called by the shell after the user has selected on of the | |
| 772 // menu items that was added in QueryContextMenu(). | |
| 773 // | |
| 774 // PARAMETERS: | |
| 775 // lpcmi - Pointer to an CMINVOKECOMMANDINFO structure | |
| 776 // | |
| 777 // RETURN VALUE: | |
| 778 // | |
| 779 // | |
| 780 // COMMENTS: | |
| 781 // | |
| 782 | |
| 783 STDMETHODIMP CShellExt::InvokeCommand(LPCMINVOKECOMMANDINFO lpcmi) | |
| 784 { | |
| 785 HRESULT hr = E_INVALIDARG; | |
| 786 | |
| 787 // If HIWORD(lpcmi->lpVerb) then we have been called programmatically | |
| 788 // and lpVerb is a command that should be invoked. Otherwise, the shell | |
| 789 // has called us, and LOWORD(lpcmi->lpVerb) is the menu ID the user has | |
| 790 // selected. Actually, it's (menu ID - idCmdFirst) from QueryContextMenu(). | |
| 791 if (!HIWORD(lpcmi->lpVerb)) | |
| 792 { | |
| 793 UINT idCmd = LOWORD(lpcmi->lpVerb); | |
| 794 | |
| 795 if (idCmd >= m_edit_existing_off) | |
| 796 { | |
| 797 // Existing with vim instance | |
| 798 hr = PushToWindow(lpcmi->hwnd, | |
| 799 lpcmi->lpDirectory, | |
| 800 lpcmi->lpVerb, | |
| 801 lpcmi->lpParameters, | |
| 802 lpcmi->nShow, | |
| 803 idCmd - m_edit_existing_off); | |
| 804 } | |
| 805 else | |
| 806 { | |
| 807 switch (idCmd) | |
| 808 { | |
| 809 case 0: | |
| 810 hr = InvokeGvim(lpcmi->hwnd, | |
| 811 lpcmi->lpDirectory, | |
| 812 lpcmi->lpVerb, | |
| 813 lpcmi->lpParameters, | |
| 814 lpcmi->nShow); | |
| 815 break; | |
| 816 case 1: | |
| 817 hr = InvokeSingleGvim(lpcmi->hwnd, | |
| 818 lpcmi->lpDirectory, | |
| 819 lpcmi->lpVerb, | |
| 820 lpcmi->lpParameters, | |
| 821 lpcmi->nShow, | |
| 822 0); | |
| 823 break; | |
| 824 case 2: | |
| 825 hr = InvokeSingleGvim(lpcmi->hwnd, | |
| 826 lpcmi->lpDirectory, | |
| 827 lpcmi->lpVerb, | |
| 828 lpcmi->lpParameters, | |
| 829 lpcmi->nShow, | |
| 830 1); | |
| 831 break; | |
| 832 } | |
| 833 } | |
| 834 } | |
| 835 return hr; | |
| 836 } | |
| 837 | |
| 1686 | 838 STDMETHODIMP CShellExt::PushToWindow(HWND /* hParent */, |
| 839 LPCSTR /* pszWorkingDir */, | |
| 840 LPCSTR /* pszCmd */, | |
| 841 LPCSTR /* pszParam */, | |
| 842 int /* iShowCmd */, | |
| 10 | 843 int idHWnd) |
| 844 { | |
| 845 HWND hWnd = m_hWnd[idHWnd]; | |
| 846 | |
| 847 // Show and bring vim instance to foreground | |
| 848 if (IsIconic(hWnd) != 0) | |
| 849 ShowWindow(hWnd, SW_RESTORE); | |
| 850 else | |
| 851 ShowWindow(hWnd, SW_SHOW); | |
| 852 SetForegroundWindow(hWnd); | |
| 853 | |
| 854 // Post the selected files to the vim instance | |
| 855 PostMessage(hWnd, WM_DROPFILES, (WPARAM)medium.hGlobal, 0); | |
| 856 | |
| 857 return NOERROR; | |
| 858 } | |
| 859 | |
| 1686 | 860 STDMETHODIMP CShellExt::GetCommandString(UINT_PTR /* idCmd */, |
| 10 | 861 UINT uFlags, |
| 1686 | 862 UINT FAR * /* reserved */, |
| 10 | 863 LPSTR pszName, |
| 864 UINT cchMax) | |
| 865 { | |
| 866 if (uFlags == GCS_HELPTEXT && cchMax > 35) | |
| 867 lstrcpy(pszName, _("Edits the selected file(s) with Vim")); | |
| 868 | |
| 869 return NOERROR; | |
| 870 } | |
| 871 | |
| 872 BOOL CALLBACK CShellExt::EnumWindowsProc(HWND hWnd, LPARAM lParam) | |
| 873 { | |
| 415 | 874 char temp[BUFSIZE]; |
| 10 | 875 |
| 876 // First do a bunch of check | |
| 877 // No invisible window | |
| 878 if (!IsWindowVisible(hWnd)) return TRUE; | |
| 879 // No child window ??? | |
| 880 // if (GetParent(hWnd)) return TRUE; | |
| 881 // Class name should be Vim, if failed to get class name, return | |
| 882 if (GetClassName(hWnd, temp, sizeof(temp)) == 0) | |
| 883 return TRUE; | |
| 884 // Compare class name to that of vim, if not, return | |
| 885 if (_strnicmp(temp, "vim", sizeof("vim")) != 0) | |
| 886 return TRUE; | |
| 887 // First check if the number of vim instance exceeds MAX_HWND | |
| 888 CShellExt *cs = (CShellExt*) lParam; | |
| 889 if (cs->m_cntOfHWnd >= MAX_HWND) return TRUE; | |
| 890 // Now we get the vim window, put it into some kind of array | |
| 891 cs->m_hWnd[cs->m_cntOfHWnd] = hWnd; | |
| 892 cs->m_cntOfHWnd ++; | |
| 893 | |
| 894 return TRUE; // continue enumeration (otherwise this would be false) | |
| 895 } | |
| 896 | |
| 6805 | 897 BOOL CShellExt::LoadMenuIcon() |
| 898 { | |
| 899 char vimExeFile[BUFSIZE]; | |
| 900 getGvimName(vimExeFile, 1); | |
| 901 if (vimExeFile[0] == '\0') | |
| 902 return FALSE; | |
| 903 HICON hVimIcon; | |
| 904 if (ExtractIconEx(vimExeFile, 0, NULL, &hVimIcon, 1) == 0) | |
| 905 return FALSE; | |
| 906 m_hVimIconBitmap = IconToBitmap(hVimIcon, | |
| 907 GetSysColorBrush(COLOR_MENU), | |
| 908 GetSystemMetrics(SM_CXSMICON), | |
| 909 GetSystemMetrics(SM_CYSMICON)); | |
| 910 return TRUE; | |
| 911 } | |
| 912 | |
| 10 | 913 static char * |
| 914 searchpath(char *name) | |
| 915 { | |
| 415 | 916 static char widename[2 * BUFSIZE]; |
| 917 static char location[2 * BUFSIZE + 2]; | |
| 10 | 918 |
| 919 // There appears to be a bug in FindExecutableA() on Windows NT. | |
| 920 // Use FindExecutableW() instead... | |
|
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921 MultiByteToWideChar(CP_ACP, 0, (LPCSTR)name, -1, |
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922 (LPWSTR)widename, BUFSIZE); |
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923 if (FindExecutableW((LPCWSTR)widename, (LPCWSTR)"", |
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924 (LPWSTR)location) > (HINSTANCE)32) |
| 10 | 925 { |
|
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926 WideCharToMultiByte(CP_ACP, 0, (LPWSTR)location, -1, |
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927 (LPSTR)widename, 2 * BUFSIZE, NULL, NULL); |
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928 return widename; |
| 10 | 929 } |
| 1366 | 930 return (char *)""; |
| 10 | 931 } |
| 932 | |
| 933 STDMETHODIMP CShellExt::InvokeGvim(HWND hParent, | |
| 1686 | 934 LPCSTR /* pszWorkingDir */, |
| 935 LPCSTR /* pszCmd */, | |
| 936 LPCSTR /* pszParam */, | |
| 937 int /* iShowCmd */) | |
| 10 | 938 { |
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939 wchar_t m_szFileUserClickedOn[BUFSIZE]; |
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940 wchar_t cmdStrW[BUFSIZE]; |
| 10 | 941 UINT i; |
| 942 | |
| 943 for (i = 0; i < cbFiles; i++) | |
| 944 { | |
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945 DragQueryFileW((HDROP)medium.hGlobal, |
| 10 | 946 i, |
| 947 m_szFileUserClickedOn, | |
| 948 sizeof(m_szFileUserClickedOn)); | |
| 949 | |
| 6805 | 950 getGvimInvocationW(cmdStrW); |
|
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951 wcscat(cmdStrW, L" \""); |
| 10 | 952 |
|
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953 if ((wcslen(cmdStrW) + wcslen(m_szFileUserClickedOn) + 2) < BUFSIZE) |
| 10 | 954 { |
|
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955 wcscat(cmdStrW, m_szFileUserClickedOn); |
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956 wcscat(cmdStrW, L"\""); |
| 10 | 957 |
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958 STARTUPINFOW si; |
| 10 | 959 PROCESS_INFORMATION pi; |
| 960 | |
| 961 ZeroMemory(&si, sizeof(si)); | |
| 962 si.cb = sizeof(si); | |
| 963 | |
| 964 // Start the child process. | |
|
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965 if (!CreateProcessW(NULL, // No module name (use command line). |
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966 cmdStrW, // Command line. |
| 10 | 967 NULL, // Process handle not inheritable. |
| 968 NULL, // Thread handle not inheritable. | |
| 969 FALSE, // Set handle inheritance to FALSE. | |
| 3008 | 970 oldenv == NULL ? 0 : CREATE_UNICODE_ENVIRONMENT, |
| 971 oldenv, // Use unmodified environment block. | |
| 10 | 972 NULL, // Use parent's starting directory. |
| 973 &si, // Pointer to STARTUPINFO structure. | |
| 974 &pi) // Pointer to PROCESS_INFORMATION structure. | |
| 975 ) | |
| 976 { | |
| 977 MessageBox( | |
| 978 hParent, | |
| 979 _("Error creating process: Check if gvim is in your path!"), | |
| 980 _("gvimext.dll error"), | |
| 981 MB_OK); | |
| 982 } | |
| 983 else | |
| 984 { | |
| 985 CloseHandle( pi.hProcess ); | |
| 986 CloseHandle( pi.hThread ); | |
| 987 } | |
| 988 } | |
| 989 else | |
| 990 { | |
| 991 MessageBox( | |
| 992 hParent, | |
| 993 _("Path length too long!"), | |
| 994 _("gvimext.dll error"), | |
| 995 MB_OK); | |
| 996 } | |
| 997 } | |
| 998 | |
| 999 return NOERROR; | |
| 1000 } | |
| 1001 | |
| 1002 | |
| 1003 STDMETHODIMP CShellExt::InvokeSingleGvim(HWND hParent, | |
| 1686 | 1004 LPCSTR /* pszWorkingDir */, |
| 1005 LPCSTR /* pszCmd */, | |
| 1006 LPCSTR /* pszParam */, | |
| 1007 int /* iShowCmd */, | |
| 10 | 1008 int useDiff) |
| 1009 { | |
|
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1010 wchar_t m_szFileUserClickedOn[BUFSIZE]; |
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1011 wchar_t *cmdStrW; |
| 10 | 1012 size_t cmdlen; |
| 1013 size_t len; | |
| 1014 UINT i; | |
| 1015 | |
| 415 | 1016 cmdlen = BUFSIZE; |
|
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1017 cmdStrW = (wchar_t *) malloc(cmdlen * sizeof(wchar_t)); |
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1018 if (cmdStrW == NULL) |
|
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1019 return E_FAIL; |
| 6805 | 1020 getGvimInvocationW(cmdStrW); |
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1021 |
| 10 | 1022 if (useDiff) |
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1023 wcscat(cmdStrW, L" -d"); |
| 10 | 1024 for (i = 0; i < cbFiles; i++) |
| 1025 { | |
|
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1026 DragQueryFileW((HDROP)medium.hGlobal, |
| 10 | 1027 i, |
| 1028 m_szFileUserClickedOn, | |
| 1029 sizeof(m_szFileUserClickedOn)); | |
| 1030 | |
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1031 len = wcslen(cmdStrW) + wcslen(m_szFileUserClickedOn) + 4; |
| 10 | 1032 if (len > cmdlen) |
| 1033 { | |
| 415 | 1034 cmdlen = len + BUFSIZE; |
|
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1035 wchar_t *cmdStrW_new = (wchar_t *)realloc(cmdStrW, cmdlen * sizeof(wchar_t)); |
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1036 if (cmdStrW_new == NULL) |
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1037 { |
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1038 free(cmdStrW); |
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1039 return E_FAIL; |
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1040 } |
|
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1041 cmdStrW = cmdStrW_new; |
| 10 | 1042 } |
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1043 wcscat(cmdStrW, L" \""); |
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1044 wcscat(cmdStrW, m_szFileUserClickedOn); |
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1045 wcscat(cmdStrW, L"\""); |
| 10 | 1046 } |
| 1047 | |
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1048 STARTUPINFOW si; |
| 10 | 1049 PROCESS_INFORMATION pi; |
| 1050 | |
| 1051 ZeroMemory(&si, sizeof(si)); | |
| 1052 si.cb = sizeof(si); | |
| 1053 | |
| 1054 // Start the child process. | |
|
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1055 if (!CreateProcessW(NULL, // No module name (use command line). |
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1056 cmdStrW, // Command line. |
| 10 | 1057 NULL, // Process handle not inheritable. |
| 1058 NULL, // Thread handle not inheritable. | |
| 1059 FALSE, // Set handle inheritance to FALSE. | |
| 3008 | 1060 oldenv == NULL ? 0 : CREATE_UNICODE_ENVIRONMENT, |
| 1061 oldenv, // Use unmodified environment block. | |
| 10 | 1062 NULL, // Use parent's starting directory. |
| 1063 &si, // Pointer to STARTUPINFO structure. | |
| 1064 &pi) // Pointer to PROCESS_INFORMATION structure. | |
| 1065 ) | |
| 1066 { | |
| 1067 MessageBox( | |
| 1068 hParent, | |
| 1069 _("Error creating process: Check if gvim is in your path!"), | |
| 1070 _("gvimext.dll error"), | |
| 1071 MB_OK); | |
| 1072 } | |
| 1073 else | |
| 1074 { | |
| 1075 CloseHandle(pi.hProcess); | |
| 1076 CloseHandle(pi.hThread); | |
| 1077 } | |
|
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|
1078 free(cmdStrW); |
| 10 | 1079 |
| 1080 return NOERROR; | |
| 1081 } |