| 1 | /* Add entries to the GNU Emacs Program Manager folder. |
| 2 | Copyright (C) 1995, 2001-2012 Free Software Foundation, Inc. |
| 3 | |
| 4 | This file is part of GNU Emacs. |
| 5 | |
| 6 | GNU Emacs is free software: you can redistribute it and/or modify |
| 7 | it under the terms of the GNU General Public License as published by |
| 8 | the Free Software Foundation, either version 3 of the License, or |
| 9 | (at your option) any later version. |
| 10 | |
| 11 | GNU Emacs is distributed in the hope that it will be useful, |
| 12 | but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 13 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 14 | GNU General Public License for more details. |
| 15 | |
| 16 | You should have received a copy of the GNU General Public License |
| 17 | along with GNU Emacs. If not, see <http://www.gnu.org/licenses/>. */ |
| 18 | |
| 19 | /**************************************************************************** |
| 20 | * |
| 21 | * Program: addpm (adds emacs to the Windows program manager) |
| 22 | * |
| 23 | * Usage: |
| 24 | * argv[1] = install path for emacs |
| 25 | * |
| 26 | * argv[2] used to be an optional argument for setting the icon. |
| 27 | * But now Emacs has a professional looking icon of its own. |
| 28 | * If users really want to change it, they can go into the settings of |
| 29 | * the shortcut that is created and do it there. |
| 30 | */ |
| 31 | |
| 32 | /* Use parts of shell API that were introduced by the merge of IE4 |
| 33 | into the desktop shell. If Windows 95 or NT4 users do not have IE4 |
| 34 | installed, then the DDE fallback for creating icons the Windows 3.1 |
| 35 | progman way will be used instead, but that is prone to lockups |
| 36 | caused by other applications not servicing their message queues. */ |
| 37 | #define _WIN32_IE 0x400 |
| 38 | /* Request C Object macros for COM interfaces. */ |
| 39 | #define COBJMACROS 1 |
| 40 | |
| 41 | #include <windows.h> |
| 42 | #include <shlobj.h> |
| 43 | #include <ddeml.h> |
| 44 | #include <stdlib.h> |
| 45 | #include <stdio.h> |
| 46 | #include <malloc.h> |
| 47 | |
| 48 | HDDEDATA CALLBACK |
| 49 | DdeCallback (UINT uType, UINT uFmt, HCONV hconv, |
| 50 | HSZ hsz1, HSZ hsz2, HDDEDATA hdata, |
| 51 | DWORD dwData1, DWORD dwData2) |
| 52 | { |
| 53 | return ((HDDEDATA) NULL); |
| 54 | } |
| 55 | |
| 56 | #define DdeCommand(str) \ |
| 57 | DdeClientTransaction (str, strlen (str)+1, conversation, (HSZ)NULL, \ |
| 58 | CF_TEXT, XTYP_EXECUTE, 30000, NULL) |
| 59 | |
| 60 | #define REG_ROOT "SOFTWARE\\GNU\\Emacs" |
| 61 | #define REG_GTK "SOFTWARE\\GTK\\2.0" |
| 62 | #define REG_APP_PATH \ |
| 63 | "SOFTWARE\\Microsoft\\Windows\\CurrentVersion\\App Paths\\emacs.exe" |
| 64 | #define REG_RUNEMACS_PATH \ |
| 65 | "SOFTWARE\\Microsoft\\Windows\\CurrentVersion\\App Paths\\runemacs.exe" |
| 66 | |
| 67 | static struct entry |
| 68 | { |
| 69 | const char *name; |
| 70 | const char *value; |
| 71 | } |
| 72 | env_vars[] = |
| 73 | { |
| 74 | {"emacs_dir", NULL}, |
| 75 | {"EMACSLOADPATH", "%emacs_dir%/site-lisp;%emacs_dir%/../site-lisp;%emacs_dir%/lisp;%emacs_dir%/leim"}, |
| 76 | {"SHELL", "%emacs_dir%/bin/cmdproxy.exe"}, |
| 77 | {"EMACSDATA", "%emacs_dir%/etc"}, |
| 78 | {"EMACSPATH", "%emacs_dir%/bin"}, |
| 79 | /* We no longer set INFOPATH because Info-default-directory-list |
| 80 | is then ignored. */ |
| 81 | /* {"INFOPATH", "%emacs_dir%/info"}, */ |
| 82 | {"EMACSDOC", "%emacs_dir%/etc"}, |
| 83 | {"TERM", "cmd"} |
| 84 | }; |
| 85 | |
| 86 | BOOL |
| 87 | add_registry (const char *path) |
| 88 | { |
| 89 | HKEY hrootkey = NULL; |
| 90 | int i; |
| 91 | BOOL ok = TRUE; |
| 92 | DWORD size; |
| 93 | |
| 94 | /* Record the location of Emacs to the App Paths key if we have |
| 95 | sufficient permissions to do so. This helps Windows find emacs quickly |
| 96 | if the user types emacs.exe in the "Run Program" dialog without having |
| 97 | emacs on their path. Some applications also use the same registry key |
| 98 | to discover the installation directory for programs they are looking for. |
| 99 | Multiple installations cannot be handled by this method, but it does not |
| 100 | affect the general operation of other installations of Emacs, and we |
| 101 | are blindly overwriting the Start Menu entries already. |
| 102 | */ |
| 103 | if (RegCreateKeyEx (HKEY_LOCAL_MACHINE, REG_APP_PATH, 0, "", |
| 104 | REG_OPTION_NON_VOLATILE, KEY_WRITE, NULL, |
| 105 | &hrootkey, NULL) == ERROR_SUCCESS) |
| 106 | { |
| 107 | int len; |
| 108 | char *emacs_path; |
| 109 | HKEY gtk_key = NULL; |
| 110 | |
| 111 | len = strlen (path) + 15; /* \bin\emacs.exe + terminator. */ |
| 112 | emacs_path = (char *) alloca (len); |
| 113 | sprintf (emacs_path, "%s\\bin\\emacs.exe", path); |
| 114 | |
| 115 | RegSetValueEx (hrootkey, NULL, 0, REG_EXPAND_SZ, emacs_path, len); |
| 116 | |
| 117 | /* Look for a GTK installation. If found, add it to the library search |
| 118 | path for Emacs so that the image libraries it provides are available |
| 119 | to Emacs regardless of whether it is in the path or not. */ |
| 120 | if (RegOpenKeyEx (HKEY_LOCAL_MACHINE, REG_GTK, REG_OPTION_NON_VOLATILE, |
| 121 | KEY_READ, >k_key) == ERROR_SUCCESS) |
| 122 | { |
| 123 | if (RegQueryValueEx (gtk_key, "DllPath", NULL, NULL, |
| 124 | NULL, &size) == ERROR_SUCCESS) |
| 125 | { |
| 126 | char *gtk_path = (char *) alloca (size); |
| 127 | if (RegQueryValueEx (gtk_key, "DllPath", NULL, NULL, |
| 128 | gtk_path, &size) == ERROR_SUCCESS) |
| 129 | { |
| 130 | /* Make sure the emacs bin directory continues to be searched |
| 131 | first by including it as well. */ |
| 132 | char *dll_paths; |
| 133 | HKEY runemacs_key = NULL; |
| 134 | len = strlen (path) + 5 + size; |
| 135 | dll_paths = (char *) alloca (size + strlen (path) + 1); |
| 136 | sprintf (dll_paths, "%s\\bin;%s", path, gtk_path); |
| 137 | RegSetValueEx (hrootkey, "Path", 0, REG_EXPAND_SZ, |
| 138 | dll_paths, len); |
| 139 | |
| 140 | /* Set the same path for runemacs.exe, as the Explorer shell |
| 141 | looks this up, so the above does not take effect when |
| 142 | emacs.exe is spawned from runemacs.exe. */ |
| 143 | if (RegCreateKeyEx (HKEY_LOCAL_MACHINE, REG_RUNEMACS_PATH, |
| 144 | 0, "", REG_OPTION_NON_VOLATILE, |
| 145 | KEY_WRITE, NULL, &runemacs_key, NULL) |
| 146 | == ERROR_SUCCESS) |
| 147 | { |
| 148 | RegSetValueEx (runemacs_key, "Path", 0, REG_EXPAND_SZ, |
| 149 | dll_paths, len); |
| 150 | |
| 151 | RegCloseKey (runemacs_key); |
| 152 | } |
| 153 | } |
| 154 | } |
| 155 | RegCloseKey (gtk_key); |
| 156 | } |
| 157 | RegCloseKey (hrootkey); |
| 158 | } |
| 159 | |
| 160 | /* Previous versions relied on registry settings, but we do not need |
| 161 | them any more. If registry settings are installed from a previous |
| 162 | version, replace them to ensure they are the current settings. |
| 163 | Otherwise, do nothing. */ |
| 164 | |
| 165 | /* Check both the current user and the local machine to see if we |
| 166 | have any resources. */ |
| 167 | |
| 168 | if (RegOpenKeyEx (HKEY_LOCAL_MACHINE, REG_ROOT, |
| 169 | REG_OPTION_NON_VOLATILE, |
| 170 | KEY_WRITE, &hrootkey) != ERROR_SUCCESS |
| 171 | && RegOpenKeyEx (HKEY_CURRENT_USER, REG_ROOT, |
| 172 | REG_OPTION_NON_VOLATILE, |
| 173 | KEY_WRITE, &hrootkey) != ERROR_SUCCESS) |
| 174 | { |
| 175 | return FALSE; |
| 176 | } |
| 177 | |
| 178 | for (i = 0; i < (sizeof (env_vars) / sizeof (env_vars[0])); i++) |
| 179 | { |
| 180 | const char * value = env_vars[i].value ? env_vars[i].value : path; |
| 181 | |
| 182 | if (RegSetValueEx (hrootkey, env_vars[i].name, |
| 183 | 0, REG_EXPAND_SZ, |
| 184 | value, lstrlen (value) + 1) != ERROR_SUCCESS) |
| 185 | ok = FALSE; |
| 186 | } |
| 187 | |
| 188 | RegCloseKey (hrootkey); |
| 189 | |
| 190 | return (ok); |
| 191 | } |
| 192 | |
| 193 | int |
| 194 | main (int argc, char *argv[]) |
| 195 | { |
| 196 | char start_folder[MAX_PATH + 1]; |
| 197 | int shortcuts_created = 0; |
| 198 | int com_available = 1; |
| 199 | char modname[MAX_PATH]; |
| 200 | const char *prog_name; |
| 201 | const char *emacs_path; |
| 202 | char *p; |
| 203 | int quiet = 0; |
| 204 | HRESULT result; |
| 205 | IShellLinkA *shortcut; |
| 206 | |
| 207 | /* If no args specified, use our location to set emacs_path. */ |
| 208 | |
| 209 | if (argc > 1 |
| 210 | && (argv[1][0] == '/' || argv[1][0] == '-') |
| 211 | && argv[1][1] == 'q') |
| 212 | { |
| 213 | quiet = 1; |
| 214 | --argc; |
| 215 | ++argv; |
| 216 | } |
| 217 | |
| 218 | if (argc > 1) |
| 219 | emacs_path = argv[1]; |
| 220 | else |
| 221 | { |
| 222 | if (!GetModuleFileName (NULL, modname, MAX_PATH) || |
| 223 | (p = strrchr (modname, '\\')) == NULL) |
| 224 | { |
| 225 | fprintf (stderr, "fatal error"); |
| 226 | exit (1); |
| 227 | } |
| 228 | *p = 0; |
| 229 | |
| 230 | /* Set emacs_path to emacs_dir if we are in "%emacs_dir%\bin". */ |
| 231 | if ((p = strrchr (modname, '\\')) && stricmp (p, "\\bin") == 0) |
| 232 | { |
| 233 | *p = 0; |
| 234 | emacs_path = modname; |
| 235 | } |
| 236 | else |
| 237 | { |
| 238 | fprintf (stderr, "usage: addpm emacs_path\n"); |
| 239 | exit (1); |
| 240 | } |
| 241 | |
| 242 | /* Tell user what we are going to do. */ |
| 243 | if (!quiet) |
| 244 | { |
| 245 | int result; |
| 246 | |
| 247 | char msg[ MAX_PATH ]; |
| 248 | sprintf (msg, "Install Emacs at %s?\n", emacs_path); |
| 249 | result = MessageBox (NULL, msg, "Install Emacs", |
| 250 | MB_OKCANCEL | MB_ICONQUESTION); |
| 251 | if (result != IDOK) |
| 252 | { |
| 253 | fprintf (stderr, "Install canceled\n"); |
| 254 | exit (1); |
| 255 | } |
| 256 | } |
| 257 | } |
| 258 | |
| 259 | add_registry (emacs_path); |
| 260 | prog_name = "runemacs.exe"; |
| 261 | |
| 262 | /* Try to install globally. */ |
| 263 | |
| 264 | if (!SUCCEEDED (CoInitialize (NULL)) |
| 265 | || !SUCCEEDED (CoCreateInstance (&CLSID_ShellLink, NULL, |
| 266 | CLSCTX_INPROC_SERVER, &IID_IShellLinkA, |
| 267 | (void **) &shortcut))) |
| 268 | { |
| 269 | com_available = 0; |
| 270 | } |
| 271 | |
| 272 | if (com_available |
| 273 | && SHGetSpecialFolderPath (NULL, start_folder, CSIDL_COMMON_PROGRAMS, 0)) |
| 274 | { |
| 275 | if (strlen (start_folder) < (MAX_PATH - 20)) |
| 276 | { |
| 277 | strcat (start_folder, "\\Gnu Emacs"); |
| 278 | if (CreateDirectory (start_folder, NULL) |
| 279 | || GetLastError () == ERROR_ALREADY_EXISTS) |
| 280 | { |
| 281 | char full_emacs_path[MAX_PATH + 1]; |
| 282 | IPersistFile *lnk; |
| 283 | strcat (start_folder, "\\Emacs.lnk"); |
| 284 | sprintf (full_emacs_path, "%s\\bin\\%s", emacs_path, prog_name); |
| 285 | IShellLinkA_SetPath (shortcut, full_emacs_path); |
| 286 | IShellLinkA_SetDescription (shortcut, "GNU Emacs"); |
| 287 | result = IShellLinkA_QueryInterface (shortcut, &IID_IPersistFile, |
| 288 | (void **) &lnk); |
| 289 | if (SUCCEEDED (result)) |
| 290 | { |
| 291 | wchar_t unicode_path[MAX_PATH]; |
| 292 | MultiByteToWideChar (CP_ACP, 0, start_folder, -1, |
| 293 | unicode_path, MAX_PATH); |
| 294 | if (SUCCEEDED (IPersistFile_Save (lnk, unicode_path, TRUE))) |
| 295 | shortcuts_created = 1; |
| 296 | IPersistFile_Release (lnk); |
| 297 | } |
| 298 | } |
| 299 | } |
| 300 | } |
| 301 | |
| 302 | if (!shortcuts_created && com_available |
| 303 | && SHGetSpecialFolderPath (NULL, start_folder, CSIDL_PROGRAMS, 0)) |
| 304 | { |
| 305 | /* Ensure there is enough room for "...\GNU Emacs\Emacs.lnk". */ |
| 306 | if (strlen (start_folder) < (MAX_PATH - 20)) |
| 307 | { |
| 308 | strcat (start_folder, "\\Gnu Emacs"); |
| 309 | if (CreateDirectory (start_folder, NULL) |
| 310 | || GetLastError () == ERROR_ALREADY_EXISTS) |
| 311 | { |
| 312 | char full_emacs_path[MAX_PATH + 1]; |
| 313 | IPersistFile *lnk; |
| 314 | strcat (start_folder, "\\Emacs.lnk"); |
| 315 | sprintf (full_emacs_path, "%s\\bin\\%s", emacs_path, prog_name); |
| 316 | IShellLinkA_SetPath (shortcut, full_emacs_path); |
| 317 | IShellLinkA_SetDescription (shortcut, "GNU Emacs"); |
| 318 | result = IShellLinkA_QueryInterface (shortcut, &IID_IPersistFile, |
| 319 | (void **) &lnk); |
| 320 | if (SUCCEEDED (result)) |
| 321 | { |
| 322 | wchar_t unicode_path[MAX_PATH]; |
| 323 | MultiByteToWideChar (CP_ACP, 0, start_folder, -1, |
| 324 | unicode_path, MAX_PATH); |
| 325 | if (SUCCEEDED (IPersistFile_Save (lnk, unicode_path, TRUE))) |
| 326 | shortcuts_created = 1; |
| 327 | IPersistFile_Release (lnk); |
| 328 | |
| 329 | } |
| 330 | } |
| 331 | } |
| 332 | } |
| 333 | |
| 334 | if (com_available) |
| 335 | IShellLinkA_Release (shortcut); |
| 336 | |
| 337 | /* Need to call uninitialize, even if ComInitialize failed. */ |
| 338 | CoUninitialize (); |
| 339 | |
| 340 | /* Fallback on old DDE method if the above failed. */ |
| 341 | if (!shortcuts_created) |
| 342 | { |
| 343 | DWORD dde = 0; |
| 344 | HCONV conversation; |
| 345 | HSZ progman; |
| 346 | char add_item[MAX_PATH*2 + 100]; |
| 347 | |
| 348 | DdeInitialize (&dde, (PFNCALLBACK) DdeCallback, APPCMD_CLIENTONLY, 0); |
| 349 | progman = DdeCreateStringHandle (dde, "PROGMAN", CP_WINANSI); |
| 350 | conversation = DdeConnect (dde, progman, progman, NULL); |
| 351 | if (conversation) |
| 352 | { |
| 353 | DdeCommand ("[CreateGroup (\"Gnu Emacs\")]"); |
| 354 | DdeCommand ("[ReplaceItem (Emacs)]"); |
| 355 | sprintf (add_item, "[AddItem (\"%s\\bin\\%s\", Emacs)]", |
| 356 | emacs_path, prog_name); |
| 357 | DdeCommand (add_item); |
| 358 | |
| 359 | DdeDisconnect (conversation); |
| 360 | } |
| 361 | |
| 362 | DdeFreeStringHandle (dde, progman); |
| 363 | DdeUninitialize (dde); |
| 364 | } |
| 365 | |
| 366 | return 0; |
| 367 | } |