nt/addpm.c

   1 /* Add entries to the GNU Emacs Program Manager folder.
   2    Copyright (C) 1995 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 2, or (at your option)
   9 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; see the file COPYING.  If not, write to
  18 the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
  19 Boston, MA 02111-1307, USA.  */
  20
  21 /****************************************************************************
  22  *
  23  * Program: addpm       (adds emacs to the Windows program manager)
  24  *
  25  * Usage:
  26  *      argv[1] = install path for emacs
  27  *      argv[2] = full path to icon for emacs (optional)
  28  */
  29
  30 #include <windows.h>
  31 #include <ddeml.h>
  32 #include <stdlib.h>
  33 #include <stdio.h>
  34
  35 HDDEDATA CALLBACK
  36 DdeCallback (UINT uType, UINT uFmt, HCONV hconv,
  37              HSZ hsz1, HSZ hsz2, HDDEDATA hdata,
  38              DWORD dwData1, DWORD dwData2)
  39 {
  40   return ((HDDEDATA) NULL);
  41 }
  42
  43 #define DdeCommand(str)         \
  44         DdeClientTransaction (str, strlen (str)+1, HConversation, (HSZ)NULL, \
  45                               CF_TEXT, XTYP_EXECUTE, 30000, NULL)
  46
  47 #define REG_ROOT "SOFTWARE\\GNU\\Emacs"
  48
  49 static struct entry
  50 {
  51   char *name;
  52   char *value;
  53 }
  54 env_vars[] =
  55 {
  56   {"emacs_dir", NULL},
  57   {"EMACSLOADPATH", "%emacs_dir%/site-lisp;%emacs_dir%/lisp"},
  58   {"SHELL", "%emacs_dir%/bin/cmdproxy.exe"},
  59   {"EMACSDATA", "%emacs_dir%/etc"},
  60   {"EMACSPATH", "%emacs_dir%/bin"},
  61   {"EMACSLOCKDIR", "%emacs_dir%/lock"},
  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   DWORD dwDisp;
  75   int i;
  76   BOOL ok = TRUE;
  77
  78   /* Check both the current user and the local machine to see if we
  79      have any resources.  */
  80
  81   if (RegCreateKeyEx (HKEY_LOCAL_MACHINE, REG_ROOT,
  82                       0, "", REG_OPTION_NON_VOLATILE,
  83                       KEY_WRITE, NULL, &hrootkey, &dwDisp) != ERROR_SUCCESS
  84       && RegCreateKeyEx (HKEY_CURRENT_USER, REG_ROOT,
  85                          0, "", REG_OPTION_NON_VOLATILE,
  86                          KEY_WRITE, NULL, &hrootkey, &dwDisp) != ERROR_SUCCESS)
  87     {
  88       return FALSE;
  89     }
  90
  91   for (i = 0; i < (sizeof (env_vars) / sizeof (env_vars[0])); i++)
  92     {
  93       char * value = env_vars[i].value ? env_vars[i].value : path;
  94
  95       if (RegSetValueEx (hrootkey, env_vars[i].name,
  96                          0, REG_EXPAND_SZ,
  97                          value, lstrlen (value) + 1) != ERROR_SUCCESS)
  98         ok = FALSE;
  99     }
 100
 101   RegCloseKey (hrootkey);
 102
 103   return (ok);
 104 }
 105
 106 int
 107 main (argc, argv)
 108      int argc;
 109      char *argv[];
 110 {
 111   DWORD idDde = 0;
 112   HCONV HConversation;
 113   HSZ ProgMan;
 114   char modname[MAX_PATH];
 115   char additem[MAX_PATH*2 + 100];
 116   char *prog_name;
 117   char *emacs_path;
 118   char *p;
 119
 120   /* If no args specified, use our location to set emacs_path.  */
 121 #if 0
 122   if (argc < 2 || argc > 3)
 123     {
 124       fprintf (stderr, "usage: addpm emacs_path [icon_path]\n");
 125       exit (1);
 126     }
 127 #endif
 128
 129   if (argc > 1)
 130     emacs_path = argv[1];
 131   else
 132     {
 133       if (!GetModuleFileName (NULL, modname, MAX_PATH) ||
 134           (p = strrchr (modname, '\\')) == NULL)
 135         {
 136           fprintf (stderr, "fatal error");
 137           exit (1);
 138         }
 139       *p = 0;
 140
 141       /* Set emacs_path to emacs_dir if we are in "%emacs_dir%\bin".  */
 142       if ((p = strrchr (modname, '\\')) && stricmp (p, "\\bin") == 0)
 143         {
 144           *p = 0;
 145           emacs_path = modname;
 146         }
 147       else
 148         {
 149           fprintf (stderr, "usage: addpm emacs_path [icon_path]\n");
 150           exit (1);
 151         }
 152
 153       /* Tell user what we are going to do.  */
 154       {
 155         char msg[ MAX_PATH ];
 156         sprintf (msg, "Install Emacs at %s?\n", emacs_path);
 157         if (!MessageBox (NULL, msg, "Install Emacs", MB_OKCANCEL | MB_ICONQUESTION))
 158           {
 159             fprintf (stderr, "Install cancelled\n");
 160             exit (1);
 161           }
 162       }
 163     }
 164
 165   prog_name = add_registry (emacs_path) ? "runemacs.exe" : "emacs.bat";
 166
 167   DdeInitialize (&idDde, (PFNCALLBACK)DdeCallback, APPCMD_CLIENTONLY, 0);
 168
 169   ProgMan = DdeCreateStringHandle (idDde, "PROGMAN", CP_WINANSI);
 170
 171   HConversation = DdeConnect (idDde, ProgMan, ProgMan, NULL);
 172   if (HConversation != 0)
 173     {
 174       DdeCommand ("[CreateGroup (\"Gnu Emacs\")]");
 175       DdeCommand ("[ReplaceItem (Emacs)]");
 176       if (argc > 2)
 177         sprintf (additem, "[AddItem (\"%s\\bin\\%s\", Emacs, \"%s\")]",
 178                  emacs_path, prog_name, argv[2]);
 179       else
 180         sprintf (additem, "[AddItem (\"%s\\bin\\%s\", Emacs)]",
 181                  emacs_path, prog_name);
 182       DdeCommand (additem);
 183
 184       DdeDisconnect (HConversation);
 185     }
 186
 187   DdeFreeStringHandle (idDde, ProgMan);
 188
 189   DdeUninitialize (idDde);
 190
 191   return (0);
 192 }