root.cc

   1 /*
   2  * Copyright (c) 2000, Red Hat, Inc.
   3  *
   4  *     This program is free software; you can redistribute it and/or modify
   5  *     it under the terms of the GNU General Public License as published by
   6  *     the Free Software Foundation; either version 2 of the License, or
   7  *     (at your option) any later version.
   8  *
   9  *     A copy of the GNU General Public License can be found at
  10  *     http://www.gnu.org/
  11  *
  12  * Written by DJ Delorie <dj@cygnus.com>
  13  *
  14  */
  15
  16 /* The purpose of this file is to ask the user where they want the
  17    root of the installation to be, and to ask whether the user prefers
  18    text or binary mounts. */
  19
  20 static char *cvsid = "\n%%% $Id$\n";
  21
  22 #include "win32.h"
  23 #include <shlobj.h>
  24 #include <stdio.h>
  25 #include <stdlib.h>
  26 #include <ctype.h>
  27
  28 #include "dialog.h"
  29 #include "resource.h"
  30 #include "state.h"
  31 #include "msg.h"
  32 #include "mount.h"
  33 #include "concat.h"
  34 #include "log.h"
  35
  36 static int rb[] = { IDC_ROOT_TEXT, IDC_ROOT_BINARY, 0 };
  37 static int su[] = { IDC_ROOT_SYSTEM, IDC_ROOT_USER, 0 };
  38
  39 static void
  40 check_if_enable_next (HWND h)
  41 {
  42   EnableWindow (GetDlgItem (h, IDOK), root_text && root_dir && root_scope);
  43 }
  44
  45 static void
  46 load_dialog (HWND h)
  47 {
  48   rbset (h, rb, root_text);
  49   rbset (h, su, root_scope);
  50   eset (h, IDC_ROOT_DIR, root_dir);
  51   check_if_enable_next (h);
  52 }
  53
  54 static void
  55 save_dialog (HWND h)
  56 {
  57   root_text = rbget (h, rb);
  58   root_scope = rbget (h, su);
  59   root_dir = eget (h, IDC_ROOT_DIR, root_dir);
  60 }
  61
  62 static int CALLBACK
  63 browse_cb (HWND h, UINT msg, LPARAM lp, LPARAM data)
  64 {
  65   switch (msg)
  66     {
  67     case BFFM_INITIALIZED:
  68       if (root_dir)
  69         SendMessage (h, BFFM_SETSELECTION, TRUE, (LPARAM)root_dir);
  70       break;
  71     }
  72   return 0;
  73 }
  74
  75 static void
  76 browse (HWND h)
  77 {
  78   BROWSEINFO bi;
  79   CHAR name[MAX_PATH];
  80   LPITEMIDLIST pidl;
  81   memset (&bi, 0, sizeof (bi));
  82   bi.hwndOwner = h;
  83   bi.pszDisplayName = name;
  84   bi.lpszTitle = "Select an installation root directory";
  85   bi.ulFlags = BIF_RETURNONLYFSDIRS;
  86   bi.lpfn = browse_cb;
  87   pidl = SHBrowseForFolder (&bi);
  88   if (pidl)
  89     {
  90       if (SHGetPathFromIDList (pidl, name))
  91         eset (h, IDC_ROOT_DIR, name);
  92     }
  93 }
  94
  95 #define isslash(c) ((c) == '\\' || (c) == '/')
  96
  97 static int
  98 directory_is_absolute ()
  99 {
 100   if (isalpha (root_dir[0])
 101       && root_dir[1] == ':'
 102       && (root_dir[2] == '\\' || root_dir[2] == '/'))
 103     return 1;
 104   return 0;
 105 }
 106
 107 static int
 108 directory_is_rootdir ()
 109 {
 110   char *c;
 111   for (c = root_dir; *c; c++)
 112     if (isslash (c[0]) && c[1] && !isslash (c[1]))
 113       return 0;
 114   return 1;
 115 }
 116
 117 static int
 118 directory_has_spaces ()
 119 {
 120   if (strchr (root_dir, ' '))
 121     return 1;
 122   return 0;
 123 }
 124
 125 static BOOL
 126 dialog_cmd (HWND h, int id, HWND hwndctl, UINT code)
 127 {
 128   switch (id)
 129     {
 130
 131     case IDC_ROOT_DIR:
 132     case IDC_ROOT_TEXT:
 133     case IDC_ROOT_BINARY:
 134     case IDC_ROOT_SYSTEM:
 135     case IDC_ROOT_USER:
 136       save_dialog (h);
 137       check_if_enable_next (h);
 138       break;
 139
 140     case IDC_ROOT_BROWSE:
 141       browse (h);
 142       break;
 143
 144     case IDOK:
 145       save_dialog (h);
 146
 147       if (! directory_is_absolute ())
 148         {
 149           note (IDS_ROOT_ABSOLUTE);
 150           break;
 151         }
 152
 153       if (directory_is_rootdir ())
 154         if (IDNO == yesno (IDS_ROOT_SLASH))
 155           break;
 156
 157       if (directory_has_spaces ())
 158         if (IDNO == yesno (IDS_ROOT_SPACE))
 159           break;
 160
 161       switch (source)
 162         {
 163         case IDC_SOURCE_NETINST:
 164           NEXT (IDD_NET);
 165           break;
 166         case IDC_SOURCE_CWD:
 167           NEXT (IDD_S_FROM_CWD);
 168           break;
 169         default:
 170           msg ("source is default? %d\n", source);
 171           NEXT (0);
 172         }
 173       break;
 174
 175     case IDC_BACK:
 176       save_dialog (h);
 177       NEXT (IDD_LOCAL_DIR);
 178       break;
 179
 180     case IDCANCEL:
 181       NEXT (0);
 182       break;
 183     }
 184 }
 185
 186 static BOOL CALLBACK
 187 dialog_proc (HWND h, UINT message, WPARAM wParam, LPARAM lParam)
 188 {
 189   switch (message)
 190     {
 191     case WM_INITDIALOG:
 192       load_dialog (h);
 193       return FALSE;
 194     case WM_COMMAND:
 195       return HANDLE_WM_COMMAND (h, wParam, lParam, dialog_cmd);
 196     }
 197   return FALSE;
 198 }
 199
 200 void
 201 do_root (HINSTANCE h)
 202 {
 203   int rv = 0;
 204   if (!root_dir)
 205     read_mounts ();
 206   rv = DialogBox (h, MAKEINTRESOURCE (IDD_ROOT), 0, dialog_proc);
 207   if (rv == -1)
 208     fatal (IDS_DIALOG_FAILED);
 209
 210   log (0, "root: %s %s %s", root_dir,
 211        (root_text == IDC_ROOT_TEXT) ? "text" : "binary",
 212        (root_scope == IDC_ROOT_USER) ? "user" : "system");
 213 }
 214