X-Git-Url: https://code.delx.au/gnu-emacs/blobdiff_plain/c1473b4cfeb477ced05d457868c5e1eb97a58eb0..19ae0deb1c8c9475eb81daf7876cec5a44b5d5e0:/nt/addpm.c diff --git a/nt/addpm.c b/nt/addpm.c index c053810baa..9bdfafc2a3 100644 --- a/nt/addpm.c +++ b/nt/addpm.c @@ -1,6 +1,6 @@ /* Add entries to the GNU Emacs Program Manager folder. Copyright (C) 1995, 2001, 2002, 2003, 2004, 2005, 2006, 2007, - 2008 Free Software Foundation, Inc. + 2008, 2009, 2010 Free Software Foundation, Inc. This file is part of GNU Emacs. @@ -23,10 +23,24 @@ along with GNU Emacs. If not, see . */ * * Usage: * argv[1] = install path for emacs - * argv[2] = full path to icon for emacs (optional) + * + * argv[2] used to be an optional argument for setting the icon. + * But now Emacs has a professional looking icon of its own. + * If users really want to change it, they can go into the settings of + * the shortcut that is created and do it there. */ +/* Use parts of shell API that were introduced by the merge of IE4 + into the desktop shell. If Windows 95 or NT4 users do not have IE4 + installed, then the DDE fallback for creating icons the Windows 3.1 + progman way will be used instead, but that is prone to lockups + caused by other applications not servicing their message queues. */ +#define _WIN32_IE 0x400 +/* Request C Object macros for COM interfaces. */ +#define COBJMACROS 1 + #include +#include #include #include #include @@ -41,7 +55,7 @@ DdeCallback (UINT uType, UINT uFmt, HCONV hconv, } #define DdeCommand(str) \ - DdeClientTransaction (str, strlen (str)+1, HConversation, (HSZ)NULL, \ + DdeClientTransaction (str, strlen (str)+1, conversation, (HSZ)NULL, \ CF_TEXT, XTYP_EXECUTE, 30000, NULL) #define REG_ROOT "SOFTWARE\\GNU\\Emacs" @@ -165,24 +179,18 @@ main (argc, argv) int argc; char *argv[]; { - DWORD idDde = 0; - HCONV HConversation; - HSZ ProgMan; + char start_folder[MAX_PATH + 1]; + int shortcuts_created = 0; + int com_available = 1; char modname[MAX_PATH]; - char additem[MAX_PATH*2 + 100]; char *prog_name; char *emacs_path; char *p; int quiet = 0; + HRESULT result; + IShellLinkA *shortcut; /* If no args specified, use our location to set emacs_path. */ -#if 0 - if (argc < 2 || argc > 3) - { - fprintf (stderr, "usage: addpm [-q] [emacs_path [icon_path]]\n"); - exit (1); - } -#endif if (argc > 1 && (argv[1][0] == '/' || argv[1][0] == '-') @@ -213,7 +221,7 @@ main (argc, argv) } else { - fprintf (stderr, "usage: addpm emacs_path [icon_path]\n"); + fprintf (stderr, "usage: addpm emacs_path\n"); exit (1); } @@ -237,31 +245,115 @@ main (argc, argv) add_registry (emacs_path); prog_name = "runemacs.exe"; - DdeInitialize (&idDde, (PFNCALLBACK)DdeCallback, APPCMD_CLIENTONLY, 0); + /* Try to install globally. */ - ProgMan = DdeCreateStringHandle (idDde, "PROGMAN", CP_WINANSI); + if (!SUCCEEDED (CoInitialize (NULL)) + || !SUCCEEDED (CoCreateInstance (&CLSID_ShellLink, NULL, + CLSCTX_INPROC_SERVER, &IID_IShellLinkA, + (void **) &shortcut))) + { + com_available = 0; + } - HConversation = DdeConnect (idDde, ProgMan, ProgMan, NULL); - if (HConversation != 0) + if (com_available + && SHGetSpecialFolderPath (NULL, start_folder, CSIDL_COMMON_PROGRAMS, 0)) { - DdeCommand ("[CreateGroup (\"Gnu Emacs\")]"); - DdeCommand ("[ReplaceItem (Emacs)]"); - if (argc > 2) - sprintf (additem, "[AddItem (\"%s\\bin\\%s\", Emacs, \"%s\")]", - emacs_path, prog_name, argv[2]); - else - sprintf (additem, "[AddItem (\"%s\\bin\\%s\", Emacs)]", - emacs_path, prog_name); - DdeCommand (additem); + if (strlen (start_folder) < (MAX_PATH - 20)) + { + BOOL retval; + + strcat (start_folder, "\\Gnu Emacs"); + if (CreateDirectory (start_folder, NULL) + || GetLastError () == ERROR_ALREADY_EXISTS) + { + char full_emacs_path[MAX_PATH + 1]; + IPersistFile *lnk; + strcat (start_folder, "\\Emacs.lnk"); + sprintf (full_emacs_path, "%s\\bin\\%s", emacs_path, prog_name); + IShellLinkA_SetPath (shortcut, full_emacs_path); + IShellLinkA_SetDescription (shortcut, "GNU Emacs"); + result = IShellLinkA_QueryInterface (shortcut, &IID_IPersistFile, + (void **) &lnk); + if (SUCCEEDED (result)) + { + wchar_t unicode_path[MAX_PATH]; + MultiByteToWideChar (CP_ACP, 0, start_folder, -1, + unicode_path, MAX_PATH); + if (SUCCEEDED (IPersistFile_Save (lnk, unicode_path, TRUE))) + shortcuts_created = 1; + IPersistFile_Release (lnk); + } + } + } + } + + if (!shortcuts_created && com_available + && SHGetSpecialFolderPath (NULL, start_folder, CSIDL_PROGRAMS, 0)) + { + /* Ensure there is enough room for "...\GNU Emacs\Emacs.lnk". */ + if (strlen (start_folder) < (MAX_PATH - 20)) + { + BOOL retval; - DdeDisconnect (HConversation); + strcat (start_folder, "\\Gnu Emacs"); + if (CreateDirectory (start_folder, NULL) + || GetLastError () == ERROR_ALREADY_EXISTS) + { + char full_emacs_path[MAX_PATH + 1]; + IPersistFile *lnk; + strcat (start_folder, "\\Emacs.lnk"); + sprintf (full_emacs_path, "%s\\bin\\%s", emacs_path, prog_name); + IShellLinkA_SetPath (shortcut, full_emacs_path); + IShellLinkA_SetDescription (shortcut, "GNU Emacs"); + result = IShellLinkA_QueryInterface (shortcut, &IID_IPersistFile, + (void **) &lnk); + if (SUCCEEDED (result)) + { + wchar_t unicode_path[MAX_PATH]; + MultiByteToWideChar (CP_ACP, 0, start_folder, -1, + unicode_path, MAX_PATH); + if (SUCCEEDED (IPersistFile_Save (lnk, unicode_path, TRUE))) + shortcuts_created = 1; + IPersistFile_Release (lnk); + + } + } + } } - DdeFreeStringHandle (idDde, ProgMan); + if (com_available) + IShellLinkA_Release (shortcut); + + /* Need to call uninitialize, even if ComInitialize failed. */ + CoUninitialize (); + + /* Fallback on old DDE method if the above failed. */ + if (!shortcuts_created) + { + DWORD dde = 0; + HCONV conversation; + HSZ progman; + char add_item[MAX_PATH*2 + 100]; + + DdeInitialize (&dde, (PFNCALLBACK) DdeCallback, APPCMD_CLIENTONLY, 0); + progman = DdeCreateStringHandle (dde, "PROGMAN", CP_WINANSI); + conversation = DdeConnect (dde, progman, progman, NULL); + if (conversation) + { + DdeCommand ("[CreateGroup (\"Gnu Emacs\")]"); + DdeCommand ("[ReplaceItem (Emacs)]"); + sprintf (add_item, "[AddItem (\"%s\\bin\\%s\", Emacs)]", + emacs_path, prog_name); + DdeCommand (add_item); + + DdeDisconnect (conversation); + } - DdeUninitialize (idDde); + DdeFreeStringHandle (dde, progman); + DdeUninitialize (dde); + } - return (0); + return 0; } /* arch-tag: f923609d-b781-4ef4-abce-ca0da29cbbf0