code.delx.au - gnu-emacs/blob - nt/addpm.c

   1 /* Add entries to the GNU Emacs Program Manager folder.
   2    Copyright (C) 1995, 2002, 2003, 2004, 2005,
   3       2006 Free Software Foundation, Inc.
   4
   5 This file is part of GNU Emacs.
   6
   7 GNU Emacs is free software; you can redistribute it and/or modify
   8 it under the terms of the GNU General Public License as published by
   9 the Free Software Foundation; either version 2, or (at your option)
  10 any later version.
  11
  12 GNU Emacs is distributed in the hope that it will be useful,
  13 but WITHOUT ANY WARRANTY; without even the implied warranty of
  14 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  15 GNU General Public License for more details.
  16
  17 You should have received a copy of the GNU General Public License
  18 along with GNU Emacs; see the file COPYING.  If not, write to
  19 the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
  20 Boston, MA 02110-1301, USA.  */
  21
  22 /****************************************************************************
  23  *
  24  * Program: addpm       (adds emacs to the Windows program manager)
  25  *
  26  * Usage:
  27  *      argv[1] = install path for emacs
  28  *      argv[2] = full path to icon for emacs (optional)
  29  */
  30
  31 #include <windows.h>
  32 #include <ddeml.h>
  33 #include <stdlib.h>
  34 #include <stdio.h>
  35
  36 HDDEDATA CALLBACK
  37 DdeCallback (UINT uType, UINT uFmt, HCONV hconv,
  38              HSZ hsz1, HSZ hsz2, HDDEDATA hdata,
  39              DWORD dwData1, DWORD dwData2)
  40 {
  41   return ((HDDEDATA) NULL);
  42 }
  43
  44 #define DdeCommand(str)         \
  45         DdeClientTransaction (str, strlen (str)+1, HConversation, (HSZ)NULL, \
  46                               CF_TEXT, XTYP_EXECUTE, 30000, NULL)
  47
  48 #define REG_ROOT "SOFTWARE\\GNU\\Emacs"
  49
  50 static struct entry
  51 {
  52   char *name;
  53   char *value;
  54 }
  55 env_vars[] =
  56 {
  57   {"emacs_dir", NULL},
  58   {"EMACSLOADPATH", "%emacs_dir%/site-lisp;%emacs_dir%/../site-lisp;%emacs_dir%/lisp;%emacs_dir%/leim"},
  59   {"SHELL", "%emacs_dir%/bin/cmdproxy.exe"},
  60   {"EMACSDATA", "%emacs_dir%/etc"},
  61   {"EMACSPATH", "%emacs_dir%/bin"},
  62   /* We no longer set INFOPATH because Info-default-directory-list
  63      is then ignored.  */
  64   /*  {"INFOPATH", "%emacs_dir%/info"},  */
  65   {"EMACSDOC", "%emacs_dir%/etc"},
  66   {"TERM", "cmd"}
  67 };
  68
  69 BOOL
  70 add_registry (path)
  71      char *path;
  72 {
  73   HKEY hrootkey = NULL;
  74   int i;
  75   BOOL ok = TRUE;
  76
  77   /* Previous versions relied on registry settings, but we do not need
  78      them any more.  If registry settings are installed from a previous
  79      version, replace them to ensure they are the current settings.
  80      Otherwise, do nothing.  */
  81
  82   /* Check both the current user and the local machine to see if we
  83      have any resources.  */
  84
  85   if (RegOpenKeyEx (HKEY_LOCAL_MACHINE, REG_ROOT,
  86                       REG_OPTION_NON_VOLATILE,
  87                       KEY_WRITE, &hrootkey) != ERROR_SUCCESS
  88       && RegOpenKeyEx (HKEY_CURRENT_USER, REG_ROOT,
  89                          REG_OPTION_NON_VOLATILE,
  90                          KEY_WRITE, &hrootkey) != ERROR_SUCCESS)
  91     {
  92       return FALSE;
  93     }
  94
  95   for (i = 0; i < (sizeof (env_vars) / sizeof (env_vars[0])); i++)
  96     {
  97       char * value = env_vars[i].value ? env_vars[i].value : path;
  98
  99       if (RegSetValueEx (hrootkey, env_vars[i].name,
 100                          0, REG_EXPAND_SZ,
 101                          value, lstrlen (value) + 1) != ERROR_SUCCESS)
 102         ok = FALSE;
 103     }
 104
 105   RegCloseKey (hrootkey);
 106
 107   return (ok);
 108 }
 109
 110 int
 111 main (argc, argv)
 112      int argc;
 113      char *argv[];
 114 {
 115   DWORD idDde = 0;
 116   HCONV HConversation;
 117   HSZ ProgMan;
 118   char modname[MAX_PATH];
 119   char additem[MAX_PATH*2 + 100];
 120   char *prog_name;
 121   char *emacs_path;
 122   char *p;
 123   int quiet = 0;
 124
 125   /* If no args specified, use our location to set emacs_path.  */
 126 #if 0
 127   if (argc < 2 || argc > 3)
 128     {
 129       fprintf (stderr, "usage: addpm [-q] [emacs_path [icon_path]]\n");
 130       exit (1);
 131     }
 132 #endif
 133
 134   if (argc > 1
 135       && (argv[1][0] == '/' || argv[1][0] == '-')
 136       && argv[1][1] == 'q')
 137     {
 138       quiet = 1;
 139       --argc;
 140       ++argv;
 141     }
 142
 143   if (argc > 1)
 144     emacs_path = argv[1];
 145   else
 146     {
 147       if (!GetModuleFileName (NULL, modname, MAX_PATH) ||
 148           (p = strrchr (modname, '\\')) == NULL)
 149         {
 150           fprintf (stderr, "fatal error");
 151           exit (1);
 152         }
 153       *p = 0;
 154
 155       /* Set emacs_path to emacs_dir if we are in "%emacs_dir%\bin".  */
 156       if ((p = strrchr (modname, '\\')) && stricmp (p, "\\bin") == 0)
 157         {
 158           *p = 0;
 159           emacs_path = modname;
 160         }
 161       else
 162         {
 163           fprintf (stderr, "usage: addpm emacs_path [icon_path]\n");
 164           exit (1);
 165         }
 166
 167       /* Tell user what we are going to do.  */
 168       if (!quiet)
 169         {
 170           int result;
 171
 172           char msg[ MAX_PATH ];
 173           sprintf (msg, "Install Emacs at %s?\n", emacs_path);
 174           result = MessageBox (NULL, msg, "Install Emacs",
 175                                MB_OKCANCEL | MB_ICONQUESTION);
 176           if (result != IDOK)
 177             {
 178               fprintf (stderr, "Install cancelled\n");
 179               exit (1);
 180             }
 181         }
 182     }
 183
 184   add_registry (emacs_path);
 185   prog_name =  "runemacs.exe";
 186
 187   DdeInitialize (&idDde, (PFNCALLBACK)DdeCallback, APPCMD_CLIENTONLY, 0);
 188
 189   ProgMan = DdeCreateStringHandle (idDde, "PROGMAN", CP_WINANSI);
 190
 191   HConversation = DdeConnect (idDde, ProgMan, ProgMan, NULL);
 192   if (HConversation != 0)
 193     {
 194       DdeCommand ("[CreateGroup (\"Gnu Emacs\")]");
 195       DdeCommand ("[ReplaceItem (Emacs)]");
 196       if (argc > 2)
 197         sprintf (additem, "[AddItem (\"%s\\bin\\%s\", Emacs, \"%s\")]",
 198                  emacs_path, prog_name, argv[2]);
 199       else
 200         sprintf (additem, "[AddItem (\"%s\\bin\\%s\", Emacs)]",
 201                  emacs_path, prog_name);
 202       DdeCommand (additem);
 203
 204       DdeDisconnect (HConversation);
 205     }
 206
 207   DdeFreeStringHandle (idDde, ProgMan);
 208
 209   DdeUninitialize (idDde);
 210
 211   return (0);
 212 }
 213
 214 /* arch-tag: f923609d-b781-4ef4-abce-ca0da29cbbf0
 215    (do not change this comment) */