Mercurial > vim
annotate src/GvimExt/gvimext.cpp @ 16250:aeb340e0e485
Added tag v8.1.1129 for changeset 67e43b01497f1780bac0c7d3ca2b9bf394d6bed6
| author | Bram Moolenaar <Bram@vim.org> |
|---|---|
| date | Sat, 06 Apr 2019 21:00:06 +0200 |
| parents | 4b2de998ebd6 |
| children | 7e733046db1d |
| 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 | |
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41 /* The buffers size used to be MAX_PATH (260 bytes), but that's not always |
| 415 | 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 } | |
| 84 | |
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85 static void |
| 6805 | 86 getGvimInvocation(char *name, int runtime) |
| 87 { | |
| 88 getGvimName(name, runtime); | |
| 89 // avoid that Vim tries to expand wildcards in the file names | |
| 90 strcat(name, " --literal"); | |
| 91 } | |
| 92 | |
| 93 static void | |
| 94 getGvimInvocationW(wchar_t *nameW) | |
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95 { |
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96 char *name; |
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97 |
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98 name = (char *)malloc(BUFSIZE); |
| 6805 | 99 getGvimInvocation(name, 0); |
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100 mbstowcs(nameW, name, BUFSIZE); |
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101 free(name); |
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102 } |
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103 |
| 10 | 104 // |
| 415 | 105 // Get the Vim runtime directory into buf[BUFSIZE]. |
| 10 | 106 // The result is empty when it failed. |
| 107 // When it works, the path ends in a slash or backslash. | |
| 108 // | |
| 109 static void | |
| 110 getRuntimeDir(char *buf) | |
| 111 { | |
| 112 int idx; | |
| 113 | |
| 114 getGvimName(buf, 1); | |
| 115 if (buf[0] != 0) | |
| 116 { | |
| 117 // When no path found, use the search path to expand it. | |
| 118 if (strchr(buf, '/') == NULL && strchr(buf, '\\') == NULL) | |
| 119 strcpy(buf, searchpath(buf)); | |
| 120 | |
| 121 // remove "gvim.exe" from the end | |
| 835 | 122 for (idx = (int)strlen(buf) - 1; idx >= 0; idx--) |
| 10 | 123 if (buf[idx] == '\\' || buf[idx] == '/') |
| 124 { | |
| 125 buf[idx + 1] = 0; | |
| 126 break; | |
| 127 } | |
| 128 } | |
| 129 } | |
| 130 | |
| 6805 | 131 HBITMAP IconToBitmap(HICON hIcon, HBRUSH hBackground, int width, int height) |
| 132 { | |
| 133 HDC hDC = GetDC(NULL); | |
| 134 HDC hMemDC = CreateCompatibleDC(hDC); | |
| 135 HBITMAP hMemBmp = CreateCompatibleBitmap(hDC, width, height); | |
| 136 HBITMAP hResultBmp = NULL; | |
| 137 HGDIOBJ hOrgBMP = SelectObject(hMemDC, hMemBmp); | |
| 138 | |
| 139 DrawIconEx(hMemDC, 0, 0, hIcon, width, height, 0, hBackground, DI_NORMAL); | |
| 140 | |
| 141 hResultBmp = hMemBmp; | |
| 142 hMemBmp = NULL; | |
| 143 | |
| 144 SelectObject(hMemDC, hOrgBMP); | |
| 145 DeleteDC(hMemDC); | |
| 146 ReleaseDC(NULL, hDC); | |
| 147 DestroyIcon(hIcon); | |
| 148 return hResultBmp; | |
| 149 } | |
| 150 | |
| 10 | 151 // |
| 152 // GETTEXT: translated messages and menu entries | |
| 153 // | |
| 154 #ifndef FEAT_GETTEXT | |
| 155 # define _(x) x | |
| 156 #else | |
| 157 # define _(x) (*dyn_libintl_gettext)(x) | |
| 158 # define VIMPACKAGE "vim" | |
| 159 # ifndef GETTEXT_DLL | |
| 160 # define GETTEXT_DLL "libintl.dll" | |
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161 # define GETTEXT_DLL_ALT "libintl-8.dll" |
| 10 | 162 # endif |
| 163 | |
| 164 // Dummy functions | |
| 165 static char *null_libintl_gettext(const char *); | |
| 166 static char *null_libintl_textdomain(const char *); | |
| 167 static char *null_libintl_bindtextdomain(const char *, const char *); | |
| 168 static int dyn_libintl_init(char *dir); | |
| 169 static void dyn_libintl_end(void); | |
| 170 | |
| 3008 | 171 static wchar_t *oldenv = NULL; |
| 10 | 172 static HINSTANCE hLibintlDLL = 0; |
| 173 static char *(*dyn_libintl_gettext)(const char *) = null_libintl_gettext; | |
| 174 static char *(*dyn_libintl_textdomain)(const char *) = null_libintl_textdomain; | |
| 175 static char *(*dyn_libintl_bindtextdomain)(const char *, const char *) | |
| 176 = null_libintl_bindtextdomain; | |
| 177 | |
| 178 // | |
| 179 // Attempt to load libintl.dll. If it doesn't work, use dummy functions. | |
| 180 // "dir" is the directory where the libintl.dll might be. | |
| 181 // Return 1 for success, 0 for failure. | |
| 182 // | |
| 183 static int | |
| 184 dyn_libintl_init(char *dir) | |
| 185 { | |
| 186 int i; | |
| 187 static struct | |
| 188 { | |
| 189 char *name; | |
| 190 FARPROC *ptr; | |
| 191 } libintl_entry[] = | |
| 192 { | |
| 1366 | 193 {(char *)"gettext", (FARPROC*)&dyn_libintl_gettext}, |
| 194 {(char *)"textdomain", (FARPROC*)&dyn_libintl_textdomain}, | |
| 195 {(char *)"bindtextdomain", (FARPROC*)&dyn_libintl_bindtextdomain}, | |
| 10 | 196 {NULL, NULL} |
| 197 }; | |
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198 DWORD len, len2; |
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199 LPWSTR buf = NULL; |
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200 LPWSTR buf2 = NULL; |
| 10 | 201 |
| 202 // No need to initialize twice. | |
| 203 if (hLibintlDLL) | |
| 204 return 1; | |
| 205 | |
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206 // Load gettext library from $VIMRUNTIME\GvimExt{64,32} directory. |
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207 // Add the directory to $PATH temporarily. |
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208 len = GetEnvironmentVariableW(L"PATH", NULL, 0); |
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209 len2 = MAX_PATH + 1 + len; |
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210 buf = (LPWSTR)malloc(len * sizeof(WCHAR)); |
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211 buf2 = (LPWSTR)malloc(len2 * sizeof(WCHAR)); |
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212 if (buf != NULL && buf2 != NULL) |
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213 { |
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214 GetEnvironmentVariableW(L"PATH", buf, len); |
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215 #ifdef _WIN64 |
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216 _snwprintf(buf2, len2, L"%S\\GvimExt64;%s", dir, buf); |
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217 #else |
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218 _snwprintf(buf2, len2, L"%S\\GvimExt32;%s", dir, buf); |
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219 #endif |
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220 SetEnvironmentVariableW(L"PATH", buf2); |
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221 hLibintlDLL = LoadLibrary(GETTEXT_DLL); |
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222 #ifdef GETTEXT_DLL_ALT |
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223 if (!hLibintlDLL) |
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224 hLibintlDLL = LoadLibrary(GETTEXT_DLL_ALT); |
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225 #endif |
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226 SetEnvironmentVariableW(L"PATH", buf); |
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227 } |
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228 free(buf); |
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229 free(buf2); |
| 10 | 230 if (!hLibintlDLL) |
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231 return 0; |
| 10 | 232 |
| 233 // Get the addresses of the functions we need. | |
| 234 for (i = 0; libintl_entry[i].name != NULL | |
| 235 && libintl_entry[i].ptr != NULL; ++i) | |
| 236 { | |
| 237 if ((*libintl_entry[i].ptr = GetProcAddress(hLibintlDLL, | |
| 238 libintl_entry[i].name)) == NULL) | |
| 239 { | |
| 240 dyn_libintl_end(); | |
| 241 return 0; | |
| 242 } | |
| 243 } | |
| 244 return 1; | |
| 245 } | |
| 246 | |
| 247 static void | |
| 248 dyn_libintl_end(void) | |
| 249 { | |
| 250 if (hLibintlDLL) | |
| 251 FreeLibrary(hLibintlDLL); | |
| 252 hLibintlDLL = NULL; | |
| 253 dyn_libintl_gettext = null_libintl_gettext; | |
| 254 dyn_libintl_textdomain = null_libintl_textdomain; | |
| 255 dyn_libintl_bindtextdomain = null_libintl_bindtextdomain; | |
| 256 } | |
| 257 | |
| 258 static char * | |
| 259 null_libintl_gettext(const char *msgid) | |
| 260 { | |
| 261 return (char *)msgid; | |
| 262 } | |
| 263 | |
| 264 static char * | |
| 1686 | 265 null_libintl_bindtextdomain(const char * /* domainname */, const char * /* dirname */) |
| 10 | 266 { |
| 267 return NULL; | |
| 268 } | |
| 269 | |
| 270 static char * | |
| 1686 | 271 null_libintl_textdomain(const char* /* domainname */) |
| 10 | 272 { |
| 273 return NULL; | |
| 274 } | |
| 275 | |
| 276 // | |
| 277 // Setup for translating strings. | |
| 278 // | |
| 279 static void | |
| 280 dyn_gettext_load(void) | |
| 281 { | |
| 415 | 282 char szBuff[BUFSIZE]; |
| 283 char szLang[BUFSIZE]; | |
| 10 | 284 DWORD len; |
| 285 HKEY keyhandle; | |
| 286 int gotlang = 0; | |
| 287 | |
| 288 strcpy(szLang, "LANG="); | |
| 289 | |
| 290 // First try getting the language from the registry, this can be | |
| 291 // used to overrule the system language. | |
| 292 if (RegOpenKeyEx(HKEY_LOCAL_MACHINE, "Software\\Vim\\Gvim", 0, | |
| 293 KEY_READ, &keyhandle) == ERROR_SUCCESS) | |
| 294 { | |
| 415 | 295 len = BUFSIZE; |
| 10 | 296 if (RegQueryValueEx(keyhandle, "lang", 0, NULL, (BYTE*)szBuff, &len) |
| 297 == ERROR_SUCCESS) | |
| 298 { | |
| 299 szBuff[len] = 0; | |
| 300 strcat(szLang, szBuff); | |
| 301 gotlang = 1; | |
| 302 } | |
| 303 RegCloseKey(keyhandle); | |
| 304 } | |
| 305 | |
| 306 if (!gotlang && getenv("LANG") == NULL) | |
| 307 { | |
| 308 // Get the language from the system. | |
| 309 // Could use LOCALE_SISO639LANGNAME, but it's not in Win95. | |
| 310 // LOCALE_SABBREVLANGNAME gives us three letters, like "enu", we use | |
| 311 // only the first two. | |
| 312 len = GetLocaleInfo(LOCALE_USER_DEFAULT, LOCALE_SABBREVLANGNAME, | |
| 415 | 313 (LPTSTR)szBuff, BUFSIZE); |
| 10 | 314 if (len >= 2 && _strnicmp(szBuff, "en", 2) != 0) |
| 315 { | |
| 316 // There are a few exceptions (probably more) | |
| 317 if (_strnicmp(szBuff, "cht", 3) == 0 | |
| 318 || _strnicmp(szBuff, "zht", 3) == 0) | |
| 319 strcpy(szBuff, "zh_TW"); | |
| 320 else if (_strnicmp(szBuff, "chs", 3) == 0 | |
| 321 || _strnicmp(szBuff, "zhc", 3) == 0) | |
| 322 strcpy(szBuff, "zh_CN"); | |
| 323 else if (_strnicmp(szBuff, "jp", 2) == 0) | |
| 324 strcpy(szBuff, "ja"); | |
| 325 else | |
| 326 szBuff[2] = 0; // truncate to two-letter code | |
| 327 strcat(szLang, szBuff); | |
| 328 gotlang = 1; | |
| 329 } | |
| 330 } | |
| 331 if (gotlang) | |
| 332 putenv(szLang); | |
| 333 | |
| 334 // Try to locate the runtime files. The path is used to find libintl.dll | |
| 335 // and the vim.mo files. | |
| 336 getRuntimeDir(szBuff); | |
| 337 if (szBuff[0] != 0) | |
| 338 { | |
| 835 | 339 len = (DWORD)strlen(szBuff); |
| 10 | 340 if (dyn_libintl_init(szBuff)) |
| 341 { | |
| 342 strcpy(szBuff + len, "lang"); | |
| 343 | |
| 344 (*dyn_libintl_bindtextdomain)(VIMPACKAGE, szBuff); | |
| 345 (*dyn_libintl_textdomain)(VIMPACKAGE); | |
| 346 } | |
| 347 } | |
| 348 } | |
| 349 | |
| 350 static void | |
| 351 dyn_gettext_free(void) | |
| 352 { | |
| 353 dyn_libintl_end(); | |
| 354 } | |
| 355 #endif // FEAT_GETTEXT | |
| 356 | |
| 357 // | |
| 358 // Global variables | |
| 359 // | |
| 360 UINT g_cRefThisDll = 0; // Reference count of this DLL. | |
| 361 HINSTANCE g_hmodThisDll = NULL; // Handle to this DLL itself. | |
| 362 | |
| 363 | |
| 364 //--------------------------------------------------------------------------- | |
| 365 // DllMain | |
| 366 //--------------------------------------------------------------------------- | |
| 367 extern "C" int APIENTRY | |
| 1686 | 368 DllMain(HINSTANCE hInstance, DWORD dwReason, LPVOID /* lpReserved */) |
| 10 | 369 { |
| 370 switch (dwReason) | |
| 371 { | |
| 372 case DLL_PROCESS_ATTACH: | |
| 373 // Extension DLL one-time initialization | |
| 374 g_hmodThisDll = hInstance; | |
| 375 break; | |
| 376 | |
| 377 case DLL_PROCESS_DETACH: | |
| 378 break; | |
| 379 } | |
| 380 | |
| 381 return 1; // ok | |
| 382 } | |
| 383 | |
| 384 static void | |
| 385 inc_cRefThisDLL() | |
| 386 { | |
| 387 #ifdef FEAT_GETTEXT | |
| 3008 | 388 if (g_cRefThisDll == 0) { |
| 10 | 389 dyn_gettext_load(); |
| 3008 | 390 oldenv = GetEnvironmentStringsW(); |
| 391 } | |
| 10 | 392 #endif |
| 393 InterlockedIncrement((LPLONG)&g_cRefThisDll); | |
| 394 } | |
| 395 | |
| 396 static void | |
| 397 dec_cRefThisDLL() | |
| 398 { | |
| 399 #ifdef FEAT_GETTEXT | |
| 3008 | 400 if (InterlockedDecrement((LPLONG)&g_cRefThisDll) == 0) { |
| 10 | 401 dyn_gettext_free(); |
| 3008 | 402 if (oldenv != NULL) { |
| 403 FreeEnvironmentStringsW(oldenv); | |
| 404 oldenv = NULL; | |
| 405 } | |
| 406 } | |
| 10 | 407 #else |
| 408 InterlockedDecrement((LPLONG)&g_cRefThisDll); | |
| 409 #endif | |
| 410 } | |
| 411 | |
| 412 //--------------------------------------------------------------------------- | |
| 413 // DllCanUnloadNow | |
| 414 //--------------------------------------------------------------------------- | |
| 415 | |
| 416 STDAPI DllCanUnloadNow(void) | |
| 417 { | |
| 418 return (g_cRefThisDll == 0 ? S_OK : S_FALSE); | |
| 419 } | |
| 420 | |
| 421 STDAPI DllGetClassObject(REFCLSID rclsid, REFIID riid, LPVOID *ppvOut) | |
| 422 { | |
| 423 *ppvOut = NULL; | |
| 424 | |
| 425 if (IsEqualIID(rclsid, CLSID_ShellExtension)) | |
| 426 { | |
| 427 CShellExtClassFactory *pcf = new CShellExtClassFactory; | |
| 428 | |
| 429 return pcf->QueryInterface(riid, ppvOut); | |
| 430 } | |
| 431 | |
| 432 return CLASS_E_CLASSNOTAVAILABLE; | |
| 433 } | |
| 434 | |
| 435 CShellExtClassFactory::CShellExtClassFactory() | |
| 436 { | |
| 437 m_cRef = 0L; | |
| 438 | |
| 439 inc_cRefThisDLL(); | |
| 440 } | |
| 441 | |
| 442 CShellExtClassFactory::~CShellExtClassFactory() | |
| 443 { | |
| 444 dec_cRefThisDLL(); | |
| 445 } | |
| 446 | |
| 447 STDMETHODIMP CShellExtClassFactory::QueryInterface(REFIID riid, | |
| 448 LPVOID FAR *ppv) | |
| 449 { | |
| 450 *ppv = NULL; | |
| 451 | |
| 6805 | 452 // any interface on this object is the object pointer |
| 10 | 453 |
| 454 if (IsEqualIID(riid, IID_IUnknown) || IsEqualIID(riid, IID_IClassFactory)) | |
| 455 { | |
| 456 *ppv = (LPCLASSFACTORY)this; | |
| 457 | |
| 458 AddRef(); | |
| 459 | |
| 460 return NOERROR; | |
| 461 } | |
| 462 | |
| 463 return E_NOINTERFACE; | |
| 464 } | |
| 465 | |
| 466 STDMETHODIMP_(ULONG) CShellExtClassFactory::AddRef() | |
| 467 { | |
| 468 return InterlockedIncrement((LPLONG)&m_cRef); | |
| 469 } | |
| 470 | |
| 471 STDMETHODIMP_(ULONG) CShellExtClassFactory::Release() | |
| 472 { | |
| 473 if (InterlockedDecrement((LPLONG)&m_cRef)) | |
| 474 return m_cRef; | |
| 475 | |
| 476 delete this; | |
| 477 | |
| 478 return 0L; | |
| 479 } | |
| 480 | |
| 481 STDMETHODIMP CShellExtClassFactory::CreateInstance(LPUNKNOWN pUnkOuter, | |
| 482 REFIID riid, | |
| 483 LPVOID *ppvObj) | |
| 484 { | |
| 485 *ppvObj = NULL; | |
| 486 | |
| 487 // Shell extensions typically don't support aggregation (inheritance) | |
| 488 | |
| 489 if (pUnkOuter) | |
| 490 return CLASS_E_NOAGGREGATION; | |
| 491 | |
| 492 // Create the main shell extension object. The shell will then call | |
| 493 // QueryInterface with IID_IShellExtInit--this is how shell extensions are | |
| 494 // initialized. | |
| 495 | |
| 6805 | 496 LPCSHELLEXT pShellExt = new CShellExt(); // create the CShellExt object |
| 10 | 497 |
| 498 if (NULL == pShellExt) | |
| 499 return E_OUTOFMEMORY; | |
| 500 | |
| 501 return pShellExt->QueryInterface(riid, ppvObj); | |
| 502 } | |
| 503 | |
| 504 | |
| 1686 | 505 STDMETHODIMP CShellExtClassFactory::LockServer(BOOL /* fLock */) |
| 10 | 506 { |
| 507 return NOERROR; | |
| 508 } | |
| 509 | |
| 510 // *********************** CShellExt ************************* | |
| 511 CShellExt::CShellExt() | |
| 512 { | |
| 513 m_cRef = 0L; | |
| 514 m_pDataObj = NULL; | |
| 515 | |
| 516 inc_cRefThisDLL(); | |
| 6805 | 517 |
| 518 LoadMenuIcon(); | |
| 10 | 519 } |
| 520 | |
| 521 CShellExt::~CShellExt() | |
| 522 { | |
| 523 if (m_pDataObj) | |
| 524 m_pDataObj->Release(); | |
| 525 | |
| 526 dec_cRefThisDLL(); | |
| 6805 | 527 |
| 528 if (m_hVimIconBitmap) | |
| 529 DeleteObject(m_hVimIconBitmap); | |
| 10 | 530 } |
| 531 | |
| 532 STDMETHODIMP CShellExt::QueryInterface(REFIID riid, LPVOID FAR *ppv) | |
| 533 { | |
| 534 *ppv = NULL; | |
| 535 | |
| 536 if (IsEqualIID(riid, IID_IShellExtInit) || IsEqualIID(riid, IID_IUnknown)) | |
| 537 { | |
| 538 *ppv = (LPSHELLEXTINIT)this; | |
| 539 } | |
| 540 else if (IsEqualIID(riid, IID_IContextMenu)) | |
| 541 { | |
| 542 *ppv = (LPCONTEXTMENU)this; | |
| 543 } | |
| 544 | |
| 545 if (*ppv) | |
| 546 { | |
| 547 AddRef(); | |
| 548 | |
| 549 return NOERROR; | |
| 550 } | |
| 551 | |
| 552 return E_NOINTERFACE; | |
| 553 } | |
| 554 | |
| 555 STDMETHODIMP_(ULONG) CShellExt::AddRef() | |
| 556 { | |
| 557 return InterlockedIncrement((LPLONG)&m_cRef); | |
| 558 } | |
| 559 | |
| 560 STDMETHODIMP_(ULONG) CShellExt::Release() | |
| 561 { | |
| 562 | |
| 563 if (InterlockedDecrement((LPLONG)&m_cRef)) | |
| 564 return m_cRef; | |
| 565 | |
| 566 delete this; | |
| 567 | |
| 568 return 0L; | |
| 569 } | |
| 570 | |
| 571 | |
| 572 // | |
| 573 // FUNCTION: CShellExt::Initialize(LPCITEMIDLIST, LPDATAOBJECT, HKEY) | |
| 574 // | |
| 575 // PURPOSE: Called by the shell when initializing a context menu or property | |
| 576 // sheet extension. | |
| 577 // | |
| 578 // PARAMETERS: | |
| 579 // pIDFolder - Specifies the parent folder | |
| 4352 | 580 // pDataObj - Specifies the set of items selected in that folder. |
| 10 | 581 // hRegKey - Specifies the type of the focused item in the selection. |
| 582 // | |
| 583 // RETURN VALUE: | |
| 584 // | |
| 585 // NOERROR in all cases. | |
| 586 // | |
| 587 // COMMENTS: Note that at the time this function is called, we don't know | |
| 588 // (or care) what type of shell extension is being initialized. | |
| 589 // It could be a context menu or a property sheet. | |
| 590 // | |
| 591 | |
| 1686 | 592 STDMETHODIMP CShellExt::Initialize(LPCITEMIDLIST /* pIDFolder */, |
| 10 | 593 LPDATAOBJECT pDataObj, |
| 1686 | 594 HKEY /* hRegKey */) |
| 10 | 595 { |
| 596 // Initialize can be called more than once | |
| 597 if (m_pDataObj) | |
| 598 m_pDataObj->Release(); | |
| 599 | |
| 600 // duplicate the object pointer and registry handle | |
| 601 | |
| 602 if (pDataObj) | |
| 603 { | |
| 604 m_pDataObj = pDataObj; | |
| 605 pDataObj->AddRef(); | |
| 606 } | |
| 607 | |
| 608 return NOERROR; | |
| 609 } | |
| 610 | |
| 611 | |
| 612 // | |
| 613 // FUNCTION: CShellExt::QueryContextMenu(HMENU, UINT, UINT, UINT, UINT) | |
| 614 // | |
| 615 // PURPOSE: Called by the shell just before the context menu is displayed. | |
| 616 // This is where you add your specific menu items. | |
| 617 // | |
| 618 // PARAMETERS: | |
| 619 // hMenu - Handle to the context menu | |
| 620 // indexMenu - Index of where to begin inserting menu items | |
| 621 // idCmdFirst - Lowest value for new menu ID's | |
| 622 // idCmtLast - Highest value for new menu ID's | |
| 623 // uFlags - Specifies the context of the menu event | |
| 624 // | |
| 625 // RETURN VALUE: | |
| 626 // | |
| 627 // | |
| 628 // COMMENTS: | |
| 629 // | |
| 630 | |
| 631 STDMETHODIMP CShellExt::QueryContextMenu(HMENU hMenu, | |
| 632 UINT indexMenu, | |
| 633 UINT idCmdFirst, | |
| 1686 | 634 UINT /* idCmdLast */, |
| 635 UINT /* uFlags */) | |
| 10 | 636 { |
| 637 UINT idCmd = idCmdFirst; | |
| 638 | |
| 639 hres = m_pDataObj->GetData(&fmte, &medium); | |
| 640 if (medium.hGlobal) | |
| 641 cbFiles = DragQueryFile((HDROP)medium.hGlobal, (UINT)-1, 0, 0); | |
| 642 | |
| 643 // InsertMenu(hMenu, indexMenu++, MF_SEPARATOR|MF_BYPOSITION, 0, NULL); | |
| 644 | |
| 645 // Initialize m_cntOfHWnd to 0 | |
| 646 m_cntOfHWnd = 0; | |
| 2972 | 647 |
| 648 HKEY keyhandle; | |
| 649 bool showExisting = true; | |
| 6805 | 650 bool showIcons = true; |
| 2972 | 651 |
| 652 // Check whether "Edit with existing Vim" entries are disabled. | |
| 653 if (RegOpenKeyEx(HKEY_LOCAL_MACHINE, "Software\\Vim\\Gvim", 0, | |
| 654 KEY_READ, &keyhandle) == ERROR_SUCCESS) | |
| 655 { | |
| 656 if (RegQueryValueEx(keyhandle, "DisableEditWithExisting", 0, NULL, | |
| 657 NULL, NULL) == ERROR_SUCCESS) | |
| 658 showExisting = false; | |
| 6805 | 659 if (RegQueryValueEx(keyhandle, "DisableContextMenuIcons", 0, NULL, |
| 660 NULL, NULL) == ERROR_SUCCESS) | |
| 661 showIcons = false; | |
| 2972 | 662 RegCloseKey(keyhandle); |
| 663 } | |
| 664 | |
| 665 // Retrieve all the vim instances, unless disabled. | |
| 666 if (showExisting) | |
| 667 EnumWindows(EnumWindowsProc, (LPARAM)this); | |
| 10 | 668 |
| 6805 | 669 MENUITEMINFO mii = { sizeof(MENUITEMINFO) }; |
| 670 mii.fMask = MIIM_STRING | MIIM_ID; | |
| 671 if (showIcons) | |
| 672 { | |
| 673 mii.fMask |= MIIM_BITMAP; | |
| 674 mii.hbmpItem = m_hVimIconBitmap; | |
| 675 } | |
| 676 | |
| 10 | 677 if (cbFiles > 1) |
| 678 { | |
| 6805 | 679 mii.wID = idCmd++; |
| 680 mii.dwTypeData = _("Edit with &multiple Vims"); | |
| 681 mii.cch = lstrlen(mii.dwTypeData); | |
| 682 InsertMenuItem(hMenu, indexMenu++, TRUE, &mii); | |
| 10 | 683 |
| 6805 | 684 mii.wID = idCmd++; |
| 685 mii.dwTypeData = _("Edit with single &Vim"); | |
| 686 mii.cch = lstrlen(mii.dwTypeData); | |
| 687 InsertMenuItem(hMenu, indexMenu++, TRUE, &mii); | |
| 10 | 688 |
| 689 if (cbFiles <= 4) | |
| 690 { | |
| 691 // Can edit up to 4 files in diff mode | |
| 6805 | 692 mii.wID = idCmd++; |
| 693 mii.dwTypeData = _("Diff with Vim"); | |
| 694 mii.cch = lstrlen(mii.dwTypeData); | |
| 695 InsertMenuItem(hMenu, indexMenu++, TRUE, &mii); | |
| 10 | 696 m_edit_existing_off = 3; |
| 697 } | |
| 698 else | |
| 699 m_edit_existing_off = 2; | |
| 700 | |
| 701 } | |
| 702 else | |
| 703 { | |
| 6805 | 704 mii.wID = idCmd++; |
| 705 mii.dwTypeData = _("Edit with &Vim"); | |
| 706 mii.cch = lstrlen(mii.dwTypeData); | |
| 707 InsertMenuItem(hMenu, indexMenu++, TRUE, &mii); | |
| 10 | 708 m_edit_existing_off = 1; |
| 709 } | |
| 710 | |
|
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711 HMENU hSubMenu = NULL; |
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712 if (m_cntOfHWnd > 1) |
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713 { |
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714 hSubMenu = CreatePopupMenu(); |
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715 mii.fMask |= MIIM_SUBMENU; |
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716 mii.wID = idCmd; |
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717 mii.dwTypeData = _("Edit with existing Vim"); |
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718 mii.cch = lstrlen(mii.dwTypeData); |
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719 mii.hSubMenu = hSubMenu; |
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720 InsertMenuItem(hMenu, indexMenu++, TRUE, &mii); |
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721 mii.fMask = mii.fMask & ~MIIM_SUBMENU; |
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722 mii.hSubMenu = NULL; |
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723 } |
| 10 | 724 // Now display all the vim instances |
| 725 for (int i = 0; i < m_cntOfHWnd; i++) | |
| 726 { | |
| 415 | 727 char title[BUFSIZE]; |
| 728 char temp[BUFSIZE]; | |
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729 int index; |
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730 HMENU hmenu; |
| 10 | 731 |
| 732 // Obtain window title, continue if can not | |
| 415 | 733 if (GetWindowText(m_hWnd[i], title, BUFSIZE - 1) == 0) |
| 10 | 734 continue; |
| 735 // Truncate the title before the path, keep the file name | |
| 736 char *pos = strchr(title, '('); | |
| 737 if (pos != NULL) | |
| 738 { | |
| 739 if (pos > title && pos[-1] == ' ') | |
| 740 --pos; | |
| 741 *pos = 0; | |
| 742 } | |
| 743 // Now concatenate | |
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744 if (m_cntOfHWnd > 1) |
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745 temp[0] = '\0'; |
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746 else |
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747 { |
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748 strncpy(temp, _("Edit with existing Vim - "), BUFSIZE - 1); |
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749 temp[BUFSIZE - 1] = '\0'; |
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750 } |
| 1953 | 751 strncat(temp, title, BUFSIZE - 1 - strlen(temp)); |
| 752 temp[BUFSIZE - 1] = '\0'; | |
| 6805 | 753 |
| 754 mii.wID = idCmd++; | |
| 755 mii.dwTypeData = temp; | |
| 756 mii.cch = lstrlen(mii.dwTypeData); | |
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757 if (m_cntOfHWnd > 1) |
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758 { |
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759 hmenu = hSubMenu; |
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760 index = i; |
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761 } |
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762 else |
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763 { |
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764 hmenu = hMenu; |
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765 index = indexMenu++; |
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766 } |
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767 InsertMenuItem(hmenu, index, TRUE, &mii); |
| 10 | 768 } |
| 769 // InsertMenu(hMenu, indexMenu++, MF_SEPARATOR|MF_BYPOSITION, 0, NULL); | |
| 770 | |
| 771 // Must return number of menu items we added. | |
| 772 return ResultFromShort(idCmd-idCmdFirst); | |
| 773 } | |
| 774 | |
| 775 // | |
| 776 // FUNCTION: CShellExt::InvokeCommand(LPCMINVOKECOMMANDINFO) | |
| 777 // | |
| 778 // PURPOSE: Called by the shell after the user has selected on of the | |
| 779 // menu items that was added in QueryContextMenu(). | |
| 780 // | |
| 781 // PARAMETERS: | |
| 782 // lpcmi - Pointer to an CMINVOKECOMMANDINFO structure | |
| 783 // | |
| 784 // RETURN VALUE: | |
| 785 // | |
| 786 // | |
| 787 // COMMENTS: | |
| 788 // | |
| 789 | |
| 790 STDMETHODIMP CShellExt::InvokeCommand(LPCMINVOKECOMMANDINFO lpcmi) | |
| 791 { | |
| 792 HRESULT hr = E_INVALIDARG; | |
| 793 | |
| 794 // If HIWORD(lpcmi->lpVerb) then we have been called programmatically | |
| 795 // and lpVerb is a command that should be invoked. Otherwise, the shell | |
| 796 // has called us, and LOWORD(lpcmi->lpVerb) is the menu ID the user has | |
| 797 // selected. Actually, it's (menu ID - idCmdFirst) from QueryContextMenu(). | |
| 798 if (!HIWORD(lpcmi->lpVerb)) | |
| 799 { | |
| 800 UINT idCmd = LOWORD(lpcmi->lpVerb); | |
| 801 | |
| 802 if (idCmd >= m_edit_existing_off) | |
| 803 { | |
| 804 // Existing with vim instance | |
| 805 hr = PushToWindow(lpcmi->hwnd, | |
| 806 lpcmi->lpDirectory, | |
| 807 lpcmi->lpVerb, | |
| 808 lpcmi->lpParameters, | |
| 809 lpcmi->nShow, | |
| 810 idCmd - m_edit_existing_off); | |
| 811 } | |
| 812 else | |
| 813 { | |
| 814 switch (idCmd) | |
| 815 { | |
| 816 case 0: | |
| 817 hr = InvokeGvim(lpcmi->hwnd, | |
| 818 lpcmi->lpDirectory, | |
| 819 lpcmi->lpVerb, | |
| 820 lpcmi->lpParameters, | |
| 821 lpcmi->nShow); | |
| 822 break; | |
| 823 case 1: | |
| 824 hr = InvokeSingleGvim(lpcmi->hwnd, | |
| 825 lpcmi->lpDirectory, | |
| 826 lpcmi->lpVerb, | |
| 827 lpcmi->lpParameters, | |
| 828 lpcmi->nShow, | |
| 829 0); | |
| 830 break; | |
| 831 case 2: | |
| 832 hr = InvokeSingleGvim(lpcmi->hwnd, | |
| 833 lpcmi->lpDirectory, | |
| 834 lpcmi->lpVerb, | |
| 835 lpcmi->lpParameters, | |
| 836 lpcmi->nShow, | |
| 837 1); | |
| 838 break; | |
| 839 } | |
| 840 } | |
| 841 } | |
| 842 return hr; | |
| 843 } | |
| 844 | |
| 1686 | 845 STDMETHODIMP CShellExt::PushToWindow(HWND /* hParent */, |
| 846 LPCSTR /* pszWorkingDir */, | |
| 847 LPCSTR /* pszCmd */, | |
| 848 LPCSTR /* pszParam */, | |
| 849 int /* iShowCmd */, | |
| 10 | 850 int idHWnd) |
| 851 { | |
| 852 HWND hWnd = m_hWnd[idHWnd]; | |
| 853 | |
| 854 // Show and bring vim instance to foreground | |
| 855 if (IsIconic(hWnd) != 0) | |
| 856 ShowWindow(hWnd, SW_RESTORE); | |
| 857 else | |
| 858 ShowWindow(hWnd, SW_SHOW); | |
| 859 SetForegroundWindow(hWnd); | |
| 860 | |
| 861 // Post the selected files to the vim instance | |
| 862 PostMessage(hWnd, WM_DROPFILES, (WPARAM)medium.hGlobal, 0); | |
| 863 | |
| 864 return NOERROR; | |
| 865 } | |
| 866 | |
| 1686 | 867 STDMETHODIMP CShellExt::GetCommandString(UINT_PTR /* idCmd */, |
| 10 | 868 UINT uFlags, |
| 1686 | 869 UINT FAR * /* reserved */, |
| 10 | 870 LPSTR pszName, |
| 871 UINT cchMax) | |
| 872 { | |
| 873 if (uFlags == GCS_HELPTEXT && cchMax > 35) | |
| 874 lstrcpy(pszName, _("Edits the selected file(s) with Vim")); | |
| 875 | |
| 876 return NOERROR; | |
| 877 } | |
| 878 | |
| 879 BOOL CALLBACK CShellExt::EnumWindowsProc(HWND hWnd, LPARAM lParam) | |
| 880 { | |
| 415 | 881 char temp[BUFSIZE]; |
| 10 | 882 |
| 883 // First do a bunch of check | |
| 884 // No invisible window | |
| 885 if (!IsWindowVisible(hWnd)) return TRUE; | |
| 886 // No child window ??? | |
| 887 // if (GetParent(hWnd)) return TRUE; | |
| 888 // Class name should be Vim, if failed to get class name, return | |
| 889 if (GetClassName(hWnd, temp, sizeof(temp)) == 0) | |
| 890 return TRUE; | |
| 891 // Compare class name to that of vim, if not, return | |
| 892 if (_strnicmp(temp, "vim", sizeof("vim")) != 0) | |
| 893 return TRUE; | |
| 894 // First check if the number of vim instance exceeds MAX_HWND | |
| 895 CShellExt *cs = (CShellExt*) lParam; | |
| 896 if (cs->m_cntOfHWnd >= MAX_HWND) return TRUE; | |
| 897 // Now we get the vim window, put it into some kind of array | |
| 898 cs->m_hWnd[cs->m_cntOfHWnd] = hWnd; | |
| 899 cs->m_cntOfHWnd ++; | |
| 900 | |
| 901 return TRUE; // continue enumeration (otherwise this would be false) | |
| 902 } | |
| 903 | |
| 6805 | 904 BOOL CShellExt::LoadMenuIcon() |
| 905 { | |
| 906 char vimExeFile[BUFSIZE]; | |
| 907 getGvimName(vimExeFile, 1); | |
| 908 if (vimExeFile[0] == '\0') | |
| 909 return FALSE; | |
| 910 HICON hVimIcon; | |
| 911 if (ExtractIconEx(vimExeFile, 0, NULL, &hVimIcon, 1) == 0) | |
| 912 return FALSE; | |
| 913 m_hVimIconBitmap = IconToBitmap(hVimIcon, | |
| 914 GetSysColorBrush(COLOR_MENU), | |
| 915 GetSystemMetrics(SM_CXSMICON), | |
| 916 GetSystemMetrics(SM_CYSMICON)); | |
| 917 return TRUE; | |
| 918 } | |
| 919 | |
|
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920 #ifndef __BORLANDC__ |
| 10 | 921 static char * |
| 922 searchpath(char *name) | |
| 923 { | |
| 415 | 924 static char widename[2 * BUFSIZE]; |
| 925 static char location[2 * BUFSIZE + 2]; | |
| 10 | 926 |
| 927 // There appears to be a bug in FindExecutableA() on Windows NT. | |
| 928 // Use FindExecutableW() instead... | |
|
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929 MultiByteToWideChar(CP_ACP, 0, (LPCSTR)name, -1, |
|
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930 (LPWSTR)widename, BUFSIZE); |
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931 if (FindExecutableW((LPCWSTR)widename, (LPCWSTR)"", |
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932 (LPWSTR)location) > (HINSTANCE)32) |
| 10 | 933 { |
|
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934 WideCharToMultiByte(CP_ACP, 0, (LPWSTR)location, -1, |
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935 (LPSTR)widename, 2 * BUFSIZE, NULL, NULL); |
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936 return widename; |
| 10 | 937 } |
| 1366 | 938 return (char *)""; |
| 10 | 939 } |
| 940 #endif | |
| 941 | |
| 942 STDMETHODIMP CShellExt::InvokeGvim(HWND hParent, | |
| 1686 | 943 LPCSTR /* pszWorkingDir */, |
| 944 LPCSTR /* pszCmd */, | |
| 945 LPCSTR /* pszParam */, | |
| 946 int /* iShowCmd */) | |
| 10 | 947 { |
|
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948 wchar_t m_szFileUserClickedOn[BUFSIZE]; |
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949 wchar_t cmdStrW[BUFSIZE]; |
| 10 | 950 UINT i; |
| 951 | |
| 952 for (i = 0; i < cbFiles; i++) | |
| 953 { | |
|
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954 DragQueryFileW((HDROP)medium.hGlobal, |
| 10 | 955 i, |
| 956 m_szFileUserClickedOn, | |
| 957 sizeof(m_szFileUserClickedOn)); | |
| 958 | |
| 6805 | 959 getGvimInvocationW(cmdStrW); |
|
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960 wcscat(cmdStrW, L" \""); |
| 10 | 961 |
|
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962 if ((wcslen(cmdStrW) + wcslen(m_szFileUserClickedOn) + 2) < BUFSIZE) |
| 10 | 963 { |
|
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964 wcscat(cmdStrW, m_szFileUserClickedOn); |
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965 wcscat(cmdStrW, L"\""); |
| 10 | 966 |
|
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967 STARTUPINFOW si; |
| 10 | 968 PROCESS_INFORMATION pi; |
| 969 | |
| 970 ZeroMemory(&si, sizeof(si)); | |
| 971 si.cb = sizeof(si); | |
| 972 | |
| 973 // Start the child process. | |
|
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974 if (!CreateProcessW(NULL, // No module name (use command line). |
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975 cmdStrW, // Command line. |
| 10 | 976 NULL, // Process handle not inheritable. |
| 977 NULL, // Thread handle not inheritable. | |
| 978 FALSE, // Set handle inheritance to FALSE. | |
| 3008 | 979 oldenv == NULL ? 0 : CREATE_UNICODE_ENVIRONMENT, |
| 980 oldenv, // Use unmodified environment block. | |
| 10 | 981 NULL, // Use parent's starting directory. |
| 982 &si, // Pointer to STARTUPINFO structure. | |
| 983 &pi) // Pointer to PROCESS_INFORMATION structure. | |
| 984 ) | |
| 985 { | |
| 986 MessageBox( | |
| 987 hParent, | |
| 988 _("Error creating process: Check if gvim is in your path!"), | |
| 989 _("gvimext.dll error"), | |
| 990 MB_OK); | |
| 991 } | |
| 992 else | |
| 993 { | |
| 994 CloseHandle( pi.hProcess ); | |
| 995 CloseHandle( pi.hThread ); | |
| 996 } | |
| 997 } | |
| 998 else | |
| 999 { | |
| 1000 MessageBox( | |
| 1001 hParent, | |
| 1002 _("Path length too long!"), | |
| 1003 _("gvimext.dll error"), | |
| 1004 MB_OK); | |
| 1005 } | |
| 1006 } | |
| 1007 | |
| 1008 return NOERROR; | |
| 1009 } | |
| 1010 | |
| 1011 | |
| 1012 STDMETHODIMP CShellExt::InvokeSingleGvim(HWND hParent, | |
| 1686 | 1013 LPCSTR /* pszWorkingDir */, |
| 1014 LPCSTR /* pszCmd */, | |
| 1015 LPCSTR /* pszParam */, | |
| 1016 int /* iShowCmd */, | |
| 10 | 1017 int useDiff) |
| 1018 { | |
|
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1019 wchar_t m_szFileUserClickedOn[BUFSIZE]; |
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1020 wchar_t *cmdStrW; |
| 10 | 1021 size_t cmdlen; |
| 1022 size_t len; | |
| 1023 UINT i; | |
| 1024 | |
| 415 | 1025 cmdlen = BUFSIZE; |
|
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|
1026 cmdStrW = (wchar_t *) malloc(cmdlen * sizeof(wchar_t)); |
|
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|
1027 if (cmdStrW == NULL) |
|
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|
1028 return E_FAIL; |
| 6805 | 1029 getGvimInvocationW(cmdStrW); |
|
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|
1030 |
| 10 | 1031 if (useDiff) |
|
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|
1032 wcscat(cmdStrW, L" -d"); |
| 10 | 1033 for (i = 0; i < cbFiles; i++) |
| 1034 { | |
|
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diff
changeset
|
1035 DragQueryFileW((HDROP)medium.hGlobal, |
| 10 | 1036 i, |
| 1037 m_szFileUserClickedOn, | |
| 1038 sizeof(m_szFileUserClickedOn)); | |
| 1039 | |
|
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|
1040 len = wcslen(cmdStrW) + wcslen(m_szFileUserClickedOn) + 4; |
| 10 | 1041 if (len > cmdlen) |
| 1042 { | |
| 415 | 1043 cmdlen = len + BUFSIZE; |
|
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changeset
|
1044 wchar_t *cmdStrW_new = (wchar_t *)realloc(cmdStrW, cmdlen * sizeof(wchar_t)); |
|
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|
1045 if (cmdStrW_new == NULL) |
|
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1046 { |
|
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|
1047 free(cmdStrW); |
|
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|
1048 return E_FAIL; |
|
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|
1049 } |
|
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1050 cmdStrW = cmdStrW_new; |
| 10 | 1051 } |
|
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|
1052 wcscat(cmdStrW, L" \""); |
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changeset
|
1053 wcscat(cmdStrW, m_szFileUserClickedOn); |
|
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diff
changeset
|
1054 wcscat(cmdStrW, L"\""); |
| 10 | 1055 } |
| 1056 | |
|
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changeset
|
1057 STARTUPINFOW si; |
| 10 | 1058 PROCESS_INFORMATION pi; |
| 1059 | |
| 1060 ZeroMemory(&si, sizeof(si)); | |
| 1061 si.cb = sizeof(si); | |
| 1062 | |
| 1063 // Start the child process. | |
|
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|
1064 if (!CreateProcessW(NULL, // No module name (use command line). |
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|
1065 cmdStrW, // Command line. |
| 10 | 1066 NULL, // Process handle not inheritable. |
| 1067 NULL, // Thread handle not inheritable. | |
| 1068 FALSE, // Set handle inheritance to FALSE. | |
| 3008 | 1069 oldenv == NULL ? 0 : CREATE_UNICODE_ENVIRONMENT, |
| 1070 oldenv, // Use unmodified environment block. | |
| 10 | 1071 NULL, // Use parent's starting directory. |
| 1072 &si, // Pointer to STARTUPINFO structure. | |
| 1073 &pi) // Pointer to PROCESS_INFORMATION structure. | |
| 1074 ) | |
| 1075 { | |
| 1076 MessageBox( | |
| 1077 hParent, | |
| 1078 _("Error creating process: Check if gvim is in your path!"), | |
| 1079 _("gvimext.dll error"), | |
| 1080 MB_OK); | |
| 1081 } | |
| 1082 else | |
| 1083 { | |
| 1084 CloseHandle(pi.hProcess); | |
| 1085 CloseHandle(pi.hThread); | |
| 1086 } | |
|
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changeset
|
1087 free(cmdStrW); |
| 10 | 1088 |
| 1089 return NOERROR; | |
| 1090 } |