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 #if 0
  21 static const char *cvsid =
  22   "\n%%% $Id$\n";
  23 #endif
  24
  25 #include "win32.h"
  26 #include <shlobj.h>
  27 #include <stdio.h>
  28 #include <stdlib.h>
  29 #include <ctype.h>
  30
  31 #include "dialog.h"
  32 #include "resource.h"
  33 #include "state.h"
  34 #include "msg.h"
  35 #include "mount.h"
  36 #include "log.h"
  37 #include "root.h"
  38
  39 static int rb[] = { IDC_ROOT_TEXT, IDC_ROOT_BINARY, 0 };
  40 static int su[] = { IDC_ROOT_SYSTEM, IDC_ROOT_USER, 0 };
  41
  42 static void
  43 check_if_enable_next (HWND h)
  44 {
  45   EnableWindow (GetDlgItem (h, IDOK), root_text && get_root_dir ().size()
  46                 && root_scope);
  47 }
  48
  49 static void
  50 load_dialog (HWND h)
  51 {
  52   rbset (h, rb, root_text);
  53   rbset (h, su, root_scope);
  54   eset (h, IDC_ROOT_DIR, get_root_dir ());
  55   check_if_enable_next (h);
  56 }
  57
  58 static void
  59 save_dialog (HWND h)
  60 {
  61   root_text = rbget (h, rb);
  62   root_scope = rbget (h, su);
  63   set_root_dir (egetString (h, IDC_ROOT_DIR));
  64 }
  65
  66 static int CALLBACK
  67 browse_cb (HWND h, UINT msg, LPARAM lp, LPARAM data)
  68 {
  69   switch (msg)
  70     {
  71     case BFFM_INITIALIZED:
  72       if (get_root_dir ().size())
  73         SendMessage (h, BFFM_SETSELECTION, TRUE, (LPARAM) get_root_dir ().cstr_oneuse());
  74       break;
  75     }
  76   return 0;
  77 }
  78
  79 static void
  80 browse (HWND h)
  81 {
  82   BROWSEINFO bi;
  83   CHAR name[MAX_PATH];
  84   LPITEMIDLIST pidl;
  85   memset (&bi, 0, sizeof (bi));
  86   bi.hwndOwner = h;
  87   bi.pszDisplayName = name;
  88   bi.lpszTitle = "Select an installation root directory";
  89   bi.ulFlags = BIF_RETURNONLYFSDIRS;
  90   bi.lpfn = browse_cb;
  91   pidl = SHBrowseForFolder (&bi);
  92   if (pidl)
  93     {
  94       if (SHGetPathFromIDList (pidl, name))
  95         eset (h, IDC_ROOT_DIR, name);
  96     }
  97 }
  98
  99 #define isslash(c) ((c) == '\\' || (c) == '/')
 100
 101 static int
 102 directory_is_absolute ()
 103 {
 104
 105   const char *r = get_root_dir ().cstr();
 106   if (isalpha (r[0]) && r[1] == ':' && (r[2] == '\\' || r[2] == '/'))
 107     {
 108       delete [] r;
 109       return 1;
 110     }
 111   delete[]r;
 112   return 0;
 113 }
 114
 115 static int
 116 directory_is_rootdir ()
 117 {
 118   char *t=get_root_dir ().cstr();
 119   const char *c;
 120   for (c = t; *c; c++)
 121     if (isslash (c[0]) && c[1] && !isslash (c[1]))
 122     {delete[]t;
 123       return 0;}
 124       delete[]t;
 125   return 1;
 126 }
 127
 128 static int
 129 directory_has_spaces ()
 130 {
 131   if (get_root_dir ().find(' '))
 132     return 1;
 133   return 0;
 134 }
 135
 136 static BOOL
 137 dialog_cmd (HWND h, int id, HWND hwndctl, UINT code)
 138 {
 139   switch (id)
 140     {
 141
 142     case IDC_ROOT_DIR:
 143     case IDC_ROOT_TEXT:
 144     case IDC_ROOT_BINARY:
 145     case IDC_ROOT_SYSTEM:
 146     case IDC_ROOT_USER:
 147       save_dialog (h);
 148       check_if_enable_next (h);
 149       break;
 150
 151     case IDC_ROOT_BROWSE:
 152       browse (h);
 153       break;
 154     }
 155   return 0;
 156 }
 157
 158 bool
 159 RootPage::Create ()
 160 {
 161   return PropertyPage::Create (NULL, dialog_cmd, IDD_ROOT);
 162 }
 163
 164 void
 165 RootPage::OnInit ()
 166 {
 167   if (!get_root_dir ().size())
 168     read_mounts ();
 169   load_dialog (GetHWND ());
 170 }
 171
 172 long
 173 RootPage::OnNext ()
 174 {
 175   HWND h = GetHWND ();
 176
 177   save_dialog (h);
 178
 179   if (!directory_is_absolute ())
 180     {
 181       note (h, IDS_ROOT_ABSOLUTE);
 182       return -1;
 183     }
 184   else if (directory_is_rootdir () && (IDNO == yesno (h, IDS_ROOT_SLASH)))
 185     return -1;
 186   else if (directory_has_spaces () && (IDNO == yesno (h, IDS_ROOT_SPACE)))
 187     return -1;
 188
 189   NEXT (IDD_LOCAL_DIR);
 190
 191   log (LOG_PLAIN, String ("root: ") + get_root_dir () +
 192        (root_text == IDC_ROOT_TEXT ? " text" : " binary")  +
 193        (root_scope == IDC_ROOT_USER ? " user" : " system"));
 194
 195   return 0;
 196 }
 197
 198 long
 199 RootPage::OnBack ()
 200 {
 201   HWND h = GetHWND ();
 202
 203   save_dialog (h);
 204   NEXT (IDD_SOURCE);
 205   return 0;
 206 }