trunk/Src/wptPreferencesDlg.cpp

/* wptPreferencesDlg.cpp - Dialog for the preferences
 *      Copyright (C) 2001, 2002, 2003, 2005 Timo Schulz
 *
 * This file is part of WinPT.
 *
 * WinPT is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 2 of the License, or
 * (at your option) any later version.
 * 
 * WinPT is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with WinPT; if not, write to the Free Software Foundation, 
 * Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA
 */

#ifdef HAVE_CONFIG_H
#include <config.h>
#endif

#include <windows.h>
#include <shlobj.h>

#include "wptNLS.h"
#include "wptGPG.h"
#include "wptCommonCtl.h"
#include "wptDlgs.h"
#include "wptTypes.h"
#include "wptErrors.h"
#include "wptRegistry.h"
#include "wptHotkey.h"
#include "wptW32API.h"
#include "wptVersion.h"
#include "wptAgent.h"
#include "wptKeyserver.h"
#include "resource.h"


/* Dialog IDs of all hotkeys. */
static int hotkeys[] = {
    IDC_PREFS_CLIP_ENCRYPT,
    IDC_PREFS_CLIP_DECRYPT_VERIFY,
    IDC_PREFS_CLIP_SIGN,
    IDC_PREFS_CLIP_SIGNENC,
    IDC_PREFS_CWS_ENCRYPT,
    IDC_PREFS_CWS_DECRYPT_VERIFY,
    IDC_PREFS_CWS_SIGN,
    IDC_PREFS_CWS_SIGNENC,
    0
};


/* Check that the given hotkey is in A..Z or a..z. */
static int
check_hotkey (char * key)
{
    if (*key >= 'A' && *key <= 'Z')
        return 1;
    else if (*key >= 'a' && *key <= 'z') {
        *key = *key - 32;
        return 1;
    }
    return 0;
}


/* Disable all hotkey controls in the dialog @dlg if val is 1. */
static void
disable_hotkey_items (HWND dlg, int val)
{
    int mode = val? FALSE : TRUE;
    int i, id;
    
    for (i=0; (id = hotkeys[i]); i++)
        EnableWindow (GetDlgItem (dlg, id), mode);
}


/* En- or disable the backup items in the dialog @dlg.
   If val != 0 activate them, disable them otherwise. */
static void
enable_backup_items (HWND dlg, int val)
{
    int mode = val? TRUE : FALSE;

    EnableWindow (GetDlgItem (dlg, IDC_PREFS_BAKHOME), mode);
    EnableWindow (GetDlgItem (dlg, IDC_PREFS_BAKUSER), mode);
    EnableWindow (GetDlgItem (dlg, IDC_PREFS_BAKSELECT), mode);
    EnableWindow (GetDlgItem (dlg, IDC_PREFS_BAKPATH), mode);
}


/* Initialize the combox in the dialog @dlg with the valid list modes. */
static void
init_keylist_modes (HWND dlg)
{
    HWND cb = GetDlgItem (dlg, IDC_PREFS_LISTMODE);
    combox_add_string (cb, (char *)"NORMAL");
    combox_add_string (cb, (char *)"MINIMAL");
    SendMessage (cb, CB_SETCURSEL, (WPARAM)reg_prefs.keylist_mode, 0);
}


/* Initialize the combobox in the dialog @dlg with the valid wipe modes. */
static void
init_wipe_modes (HWND dlg)
{
    HWND cb = GetDlgItem (dlg, IDC_PREFS_WIPEMODE);
    combox_add_string (cb, (char *)"Simple");
    combox_add_string (cb, (char *)"DoD");
    combox_add_string (cb, (char *)"Gutmann");
    SendMessage (cb, CB_SETCURSEL, (WPARAM)reg_prefs.wipe_mode, 0);
}


/* Dialog box procedure for the WinPT preferences. */
BOOL CALLBACK
prefs_dlg_proc (HWND dlg, UINT msg, WPARAM wparam, LPARAM lparam)
{
    int rc;
    int i, id;
    char t[2];
    char path[256], * p;
    HWND cb;
    
    switch ( msg ) {
    case WM_INITDIALOG:
    #ifndef LANG_DE
        SetWindowText (dlg, _("WinPT Preferences"));
        SetDlgItemText (dlg, IDC_PREFS_SECMODE, _("Do not use any &temporary files"));
        SetDlgItemText (dlg, IDC_PREFS_VIEWER, _("Use clipboard &viewer to display the plaintext"));
        SetDlgItemText (dlg, IDC_PREFS_WWINFO, _("Word wrap cleartext &signatures at column"));
        SetDlgItemText (dlg, IDC_PREFS_DISABLE_HOTKEYS, _("&Disable hotkeys (Not recommended!)"));
        SetDlgItemText (dlg, IDC_PREFS_TRUST, _("Skip key validation and assume that keys are always fully trusted"));
        SetDlgItemText (dlg, IDC_PREFS_AUTOBACKUP, _("&Automatic keyring backup when WinPT closes"));
        SetDlgItemText (dlg, IDC_PREFS_BAKHOME, _("Backup to GPG &home folder"));
        SetDlgItemText (dlg, IDC_PREFS_BAKUSER, _("Backup to:"));
    #endif
        SetDlgItemInt( dlg, IDC_PREFS_CACHETIME, reg_prefs.cache_time, TRUE );
        SetDlgItemInt( dlg, IDC_PREFS_WORDWRAP, reg_prefs.word_wrap, TRUE );
        if (reg_prefs.backup.path)
            SetDlgItemText (dlg, IDC_PREFS_BAKPATH, reg_prefs.backup.path);
        if (reg_prefs.kserv_conf)
            SetDlgItemText (dlg, IDC_PREFS_KSERVER, reg_prefs.kserv_conf);

        for (i=0; (id=hotkeys[i]); i++)
            SetDlgItemText (dlg, id, reg_hotkeys[i].key);
        CheckDlgButton( dlg, IDC_PREFS_DISABLE_HOTKEYS, 
                        reg_prefs.no_hotkeys ? BST_CHECKED : BST_UNCHECKED );
        CheckDlgButton( dlg, IDC_PREFS_SECMODE, 
                        reg_prefs.use_tmpfiles ? BST_UNCHECKED : BST_CHECKED );
        CheckDlgButton( dlg, IDC_PREFS_VIEWER,
                        reg_prefs.use_viewer ? BST_CHECKED: BST_UNCHECKED );
        CheckDlgButton( dlg, IDC_PREFS_TRUST,
                        reg_prefs.always_trust? BST_CHECKED : BST_UNCHECKED );
        CheckDlgButton( dlg, IDC_PREFS_AUTOBACKUP,
                        reg_prefs.auto_backup? BST_CHECKED : BST_UNCHECKED );
        CheckDlgButton( dlg, IDC_PREFS_BAKHOME, 
                        reg_prefs.backup.mode==1? BST_CHECKED : BST_UNCHECKED );
        CheckDlgButton( dlg, IDC_PREFS_BAKUSER,
                        reg_prefs.backup.mode==2? BST_CHECKED : BST_UNCHECKED );
        if( reg_prefs.no_hotkeys )
            disable_hotkey_items( dlg, 1 );
        if (!reg_prefs.auto_backup)
            enable_backup_items (dlg, 0);
        EnableWindow (GetDlgItem (dlg, IDC_PREFS_BAKPATH), 
                      reg_prefs.backup.mode==1?FALSE : TRUE);
        EnableWindow (GetDlgItem (dlg, IDC_PREFS_BAKSELECT),
                      reg_prefs.backup.mode==1? FALSE : TRUE);
        init_keylist_modes (dlg);
        init_wipe_modes (dlg);
        center_window (dlg, NULL);
        SetForegroundWindow (dlg);
        return TRUE;
        
    case WM_SYSCOMMAND:
        if (LOWORD (wparam) == SC_CLOSE)
            EndDialog (dlg, TRUE);
        return FALSE;
        
    case WM_COMMAND:
        switch( HIWORD(wparam) ) {
        case BN_CLICKED:
            switch( (int)LOWORD( wparam ) ) {
            case IDC_PREFS_DISABLE_HOTKEYS:            
                reg_prefs.no_hotkeys ^= 1;
                disable_hotkey_items( dlg, reg_prefs.no_hotkeys );
                break;

            case IDC_PREFS_TRUST:
                reg_prefs.always_trust ^= 1;
                if( reg_prefs.always_trust ) {
                    msg_box (dlg,
                _("In most cases it is not a good idea to enable this setting.\n"
                  "If you know what you are doing let this flag enabled, otherwise\n"
                  "it is safe to leave this flag untouched."), 
                  _("Preferences"), MB_ICONWARNING|MB_OK );
                }
                break;

            case IDC_PREFS_AUTOBACKUP:
                reg_prefs.auto_backup ^= 1;                 
                enable_backup_items (dlg, reg_prefs.auto_backup);
                if (reg_prefs.auto_backup == 1) {
                    if (!IsDlgButtonChecked (dlg, IDC_PREFS_BAKHOME) &&
                        !IsDlgButtonChecked (dlg, IDC_PREFS_BAKUSER))
                        CheckDlgButton (dlg, IDC_PREFS_BAKHOME, BST_CHECKED);
                }
                break;

            case IDC_PREFS_BAKHOME:             
                EnableWindow (GetDlgItem (dlg, IDC_PREFS_BAKSELECT), FALSE);
                EnableWindow (GetDlgItem (dlg, IDC_PREFS_BAKPATH), FALSE);
                break;

            case IDC_PREFS_BAKUSER:
                EnableWindow (GetDlgItem (dlg, IDC_PREFS_BAKSELECT), TRUE);
                EnableWindow (GetDlgItem (dlg, IDC_PREFS_BAKPATH), TRUE);
                break;
            }
            break;
        }
        switch( LOWORD( wparam ) ) {
        case IDC_PREFS_BAKSELECT:
            const char *bpath;
            bpath = get_folder_dlg (dlg, _("Select GPG backup path"), NULL);
            if (bpath)
                SetDlgItemText (dlg, IDC_PREFS_BAKPATH, bpath);
            break;

        case IDC_PREFS_KSELFILE: {
            const char * name;
            name = get_filename_dlg (dlg, FILE_OPEN, _("Please select a keyserver.conf file"),
                                     NULL, NULL);
            if (name != NULL)
                SetDlgItemText (dlg, IDC_PREFS_KSERVER, name);
            break; }

        case IDOK:
            rc = GetDlgItemInt( dlg, IDC_PREFS_CACHETIME, NULL, FALSE );
            if( !rc )
                reg_prefs.cache_time = 0;
            else if( rc > 3600 ) {
                msg_box( dlg, _("Please enter a value that is between 1-3600.\nIt is not "
                                "a good idea to cache the passphrase more than one hour."),
                                _("Preferences"), MB_ERR );
                SetDlgItemInt( dlg, IDC_PREFS_CACHETIME, 0, FALSE );
                return TRUE;
            }
            if (reg_prefs.cache_time != rc)
                agent_flush_cache ();
            reg_prefs.cache_time = rc;
            rc = GetDlgItemInt( dlg, IDC_PREFS_WORDWRAP, NULL, FALSE );
            if( !rc )
                reg_prefs.word_wrap = 0;
            else if( rc > 80 ) {
                msg_box( dlg, _("Please enter a value between 1-80."), _("Preferences"), MB_ERR );
                return TRUE;
            }
            reg_prefs.word_wrap = rc;
            reg_prefs.use_tmpfiles = IsDlgButtonChecked( dlg, IDC_PREFS_SECMODE )? 0 : 1;
            reg_prefs.use_viewer = IsDlgButtonChecked( dlg, IDC_PREFS_VIEWER )? 1 : 0;
            reg_prefs.backup.mode = IsDlgButtonChecked( dlg, IDC_PREFS_BAKHOME ) ? 1 :
                                    IsDlgButtonChecked( dlg, IDC_PREFS_BAKUSER )? 2 : 0;
            if( reg_prefs.backup.mode == 2 ) {
                if( !GetDlgItemText( dlg, IDC_PREFS_BAKPATH, path, sizeof (path)-1 )
                    || dir_exist_check( path ) ) {
                    msg_box( dlg, _("The specified backup folder is invalid."), 
                             _("Preferences"), MB_ERR );
                    return TRUE;
                }
                free_if_alloc (reg_prefs.backup.path);
                p = reg_prefs.backup.path = m_strdup (path);
                if (!p)
                    BUG (0);
            }
            free_if_alloc (reg_prefs.kserv_conf);
            if (!GetDlgItemText (dlg, IDC_PREFS_KSERVER, path, sizeof (path)-1)
                || file_exist_check (path)) {
                rc = msg_box (dlg, _("The specified keyserver config file is invalid.\n\n"
                                     "Create new default config file?"),
                         _("Preferences"), MB_ERR|MB_YESNO);
                if (rc == IDNO)
                    return TRUE;
                else
                {
                    char cwd[256], * fn;
                    FILE * fp = fopen ("keyserver.conf", "wb");
                    if (fp) {
                        fprintf (fp, "%s\r\n", DEF_HKP_KEYSERVER);
                        fclose (fp);
                    }
                    GetCurrentDirectory (DIM (cwd)-1, cwd);
                    fn = make_filename (cwd, "keyserver", "conf");
                    memset (path, 0, sizeof( path));
                    strncpy (path, fn, DIM (path)-1);
                    free_if_alloc (fn);
                }
            }
            p = reg_prefs.kserv_conf = m_strdup (path);
            if (!p)
                BUG (0);

            cb = GetDlgItem( dlg, IDC_PREFS_LISTMODE );
            reg_prefs.keylist_mode = SendMessage( cb, CB_GETCURSEL, 0, 0 );

            cb = GetDlgItem( dlg, IDC_PREFS_WIPEMODE );
            reg_prefs.wipe_mode = SendMessage( cb, CB_GETCURSEL, 0, 0 );
            
            if (IsDlgButtonChecked (dlg, IDC_PREFS_DISABLE_HOTKEYS)) {
                hotkeys_unregister (glob_hwnd);
                reg_prefs.no_hotkeys = 1;
            }
            else {
                reg_prefs.no_hotkeys = 0;
                for( i = 0; (id = hotkeys[i]); i++ ) {
                    rc = GetDlgItemText( dlg, id, t, 2 );
                    if( rc && check_hotkey( &t[0] ) )
                        hotkey_enable( &reg_hotkeys[i], t );
                    else
                        hotkey_disable( &reg_hotkeys[i] );
                }
                set_reg_entry (HKEY_CURRENT_USER, "Software\\WinPT", "DisableHotkeys", "0");
                reg_prefs.no_hotkeys = 0;
            }

            if ((rc = set_reg_winpt_prefs (&reg_prefs)))
                msg_box (dlg, winpt_strerror (rc), _("Preferences"), MB_ERR);
            
            if (reg_prefs.no_hotkeys == 0) {
                hotkeys_unregister (glob_hwnd);
                hotkeys_modify ();
                if ((rc = hotkeys_register (glob_hwnd)))
                    msg_box (NULL, winpt_strerror (rc), _("Hotkeys"), MB_ERR);
            }
            EndDialog (dlg, TRUE);
            return TRUE;
            
        case IDCANCEL:
            EndDialog( dlg, FALSE );
            return FALSE;
        }
        break;
    }
    
    return FALSE;
}
1	werner	36	/* wptPreferencesDlg.cpp - Dialog for the preferences
2			* Copyright (C) 2001, 2002, 2003, 2005 Timo Schulz
3			*
4			* This file is part of WinPT.
5			*
6			* WinPT 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 of the License, or
9			* (at your option) any later version.
10			*
11			* WinPT 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 WinPT; if not, write to the Free Software Foundation,
18			* Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA
19			*/
20
21			#ifdef HAVE_CONFIG_H
22			#include <config.h>
23			#endif
24
25			#include <windows.h>
26			#include <shlobj.h>
27
28			#include "wptNLS.h"
29			#include "wptGPG.h"
30			#include "wptCommonCtl.h"
31			#include "wptDlgs.h"
32			#include "wptTypes.h"
33			#include "wptErrors.h"
34			#include "wptRegistry.h"
35			#include "wptHotkey.h"
36			#include "wptW32API.h"
37			#include "wptVersion.h"
38			#include "wptAgent.h"
39			#include "wptKeyserver.h"
40	werner	47	#include "resource.h"
41	werner	36
42
43			/* Dialog IDs of all hotkeys. */
44			static int hotkeys[] = {
45			IDC_PREFS_CLIP_ENCRYPT,
46			IDC_PREFS_CLIP_DECRYPT_VERIFY,
47			IDC_PREFS_CLIP_SIGN,
48			IDC_PREFS_CLIP_SIGNENC,
49			IDC_PREFS_CWS_ENCRYPT,
50			IDC_PREFS_CWS_DECRYPT_VERIFY,
51			IDC_PREFS_CWS_SIGN,
52			IDC_PREFS_CWS_SIGNENC,
53			0
54			};
55
56
57			/* Check that the given hotkey is in A..Z or a..z. */
58			static int
59			check_hotkey (char * key)
60			{
61			if (key >= 'A' && key <= 'Z')
62			return 1;
63			else if (key >= 'a' && key <= 'z') {
64			key = key - 32;
65			return 1;
66			}
67			return 0;
68	twoaday	32	}
69	werner	36
70
71			/* Disable all hotkey controls in the dialog @dlg if val is 1. */
72			static void
73			disable_hotkey_items (HWND dlg, int val)
74			{
75			int mode = val? FALSE : TRUE;
76			int i, id;
77
78			for (i=0; (id = hotkeys[i]); i++)
79			EnableWindow (GetDlgItem (dlg, id), mode);
80			}
81
82
83
84			/* En- or disable the backup items in the dialog @dlg.
85			If val != 0 activate them, disable them otherwise. */
86			static void
87			enable_backup_items (HWND dlg, int val)
88			{
89			int mode = val? TRUE : FALSE;
90
91			EnableWindow (GetDlgItem (dlg, IDC_PREFS_BAKHOME), mode);
92			EnableWindow (GetDlgItem (dlg, IDC_PREFS_BAKUSER), mode);
93			EnableWindow (GetDlgItem (dlg, IDC_PREFS_BAKSELECT), mode);
94			EnableWindow (GetDlgItem (dlg, IDC_PREFS_BAKPATH), mode);
95			}
96
97
98			/* Initialize the combox in the dialog @dlg with the valid list modes. */
99			static void
100			init_keylist_modes (HWND dlg)
101			{
102			HWND cb = GetDlgItem (dlg, IDC_PREFS_LISTMODE);
103			combox_add_string (cb, (char *)"NORMAL");
104			combox_add_string (cb, (char *)"MINIMAL");
105			SendMessage (cb, CB_SETCURSEL, (WPARAM)reg_prefs.keylist_mode, 0);
106			}
107
108
109			/* Initialize the combobox in the dialog @dlg with the valid wipe modes. */
110			static void
111			init_wipe_modes (HWND dlg)
112			{
113			HWND cb = GetDlgItem (dlg, IDC_PREFS_WIPEMODE);
114			combox_add_string (cb, (char *)"Simple");
115			combox_add_string (cb, (char *)"DoD");
116			combox_add_string (cb, (char *)"Gutmann");
117			SendMessage (cb, CB_SETCURSEL, (WPARAM)reg_prefs.wipe_mode, 0);
118			}
119
120
121			/* Dialog box procedure for the WinPT preferences. */
122			BOOL CALLBACK
123			prefs_dlg_proc (HWND dlg, UINT msg, WPARAM wparam, LPARAM lparam)
124			{
125			int rc;
126			int i, id;
127			char t[2];
128			char path[256], * p;
129			HWND cb;
130
131			switch ( msg ) {
132			case WM_INITDIALOG:
133			#ifndef LANG_DE
134			SetWindowText (dlg, _("WinPT Preferences"));
135			SetDlgItemText (dlg, IDC_PREFS_SECMODE, _("Do not use any &temporary files"));
136			SetDlgItemText (dlg, IDC_PREFS_VIEWER, _("Use clipboard &viewer to display the plaintext"));
137			SetDlgItemText (dlg, IDC_PREFS_WWINFO, _("Word wrap cleartext &signatures at column"));
138			SetDlgItemText (dlg, IDC_PREFS_DISABLE_HOTKEYS, _("&Disable hotkeys (Not recommended!)"));
139			SetDlgItemText (dlg, IDC_PREFS_TRUST, _("Skip key validation and assume that keys are always fully trusted"));
140			SetDlgItemText (dlg, IDC_PREFS_AUTOBACKUP, _("&Automatic keyring backup when WinPT closes"));
141			SetDlgItemText (dlg, IDC_PREFS_BAKHOME, _("Backup to GPG &home folder"));
142			SetDlgItemText (dlg, IDC_PREFS_BAKUSER, _("Backup to:"));
143			#endif
144			SetDlgItemInt( dlg, IDC_PREFS_CACHETIME, reg_prefs.cache_time, TRUE );
145			SetDlgItemInt( dlg, IDC_PREFS_WORDWRAP, reg_prefs.word_wrap, TRUE );
146			if (reg_prefs.backup.path)
147			SetDlgItemText (dlg, IDC_PREFS_BAKPATH, reg_prefs.backup.path);
148			if (reg_prefs.kserv_conf)
149			SetDlgItemText (dlg, IDC_PREFS_KSERVER, reg_prefs.kserv_conf);
150
151			for (i=0; (id=hotkeys[i]); i++)
152			SetDlgItemText (dlg, id, reg_hotkeys[i].key);
153			CheckDlgButton( dlg, IDC_PREFS_DISABLE_HOTKEYS,
154			reg_prefs.no_hotkeys ? BST_CHECKED : BST_UNCHECKED );
155			CheckDlgButton( dlg, IDC_PREFS_SECMODE,
156			reg_prefs.use_tmpfiles ? BST_UNCHECKED : BST_CHECKED );
157			CheckDlgButton( dlg, IDC_PREFS_VIEWER,
158			reg_prefs.use_viewer ? BST_CHECKED: BST_UNCHECKED );
159			CheckDlgButton( dlg, IDC_PREFS_TRUST,
160			reg_prefs.always_trust? BST_CHECKED : BST_UNCHECKED );
161			CheckDlgButton( dlg, IDC_PREFS_AUTOBACKUP,
162			reg_prefs.auto_backup? BST_CHECKED : BST_UNCHECKED );
163			CheckDlgButton( dlg, IDC_PREFS_BAKHOME,
164			reg_prefs.backup.mode==1? BST_CHECKED : BST_UNCHECKED );
165			CheckDlgButton( dlg, IDC_PREFS_BAKUSER,
166			reg_prefs.backup.mode==2? BST_CHECKED : BST_UNCHECKED );
167			if( reg_prefs.no_hotkeys )
168			disable_hotkey_items( dlg, 1 );
169			if (!reg_prefs.auto_backup)
170			enable_backup_items (dlg, 0);
171			EnableWindow (GetDlgItem (dlg, IDC_PREFS_BAKPATH),
172			reg_prefs.backup.mode==1?FALSE : TRUE);
173			EnableWindow (GetDlgItem (dlg, IDC_PREFS_BAKSELECT),
174			reg_prefs.backup.mode==1? FALSE : TRUE);
175			init_keylist_modes (dlg);
176			init_wipe_modes (dlg);
177			center_window (dlg, NULL);
178			SetForegroundWindow (dlg);
179			return TRUE;
180
181			case WM_SYSCOMMAND:
182			if (LOWORD (wparam) == SC_CLOSE)
183			EndDialog (dlg, TRUE);
184			return FALSE;
185
186			case WM_COMMAND:
187			switch( HIWORD(wparam) ) {
188			case BN_CLICKED:
189			switch( (int)LOWORD( wparam ) ) {
190			case IDC_PREFS_DISABLE_HOTKEYS:
191			reg_prefs.no_hotkeys ^= 1;
192			disable_hotkey_items( dlg, reg_prefs.no_hotkeys );
193			break;
194
195			case IDC_PREFS_TRUST:
196			reg_prefs.always_trust ^= 1;
197			if( reg_prefs.always_trust ) {
198			msg_box (dlg,
199			_("In most cases it is not a good idea to enable this setting.\n"
200			"If you know what you are doing let this flag enabled, otherwise\n"
201			"it is safe to leave this flag untouched."),
202			_("Preferences"), MB_ICONWARNING\|MB_OK );
203			}
204			break;
205
206			case IDC_PREFS_AUTOBACKUP:
207			reg_prefs.auto_backup ^= 1;
208			enable_backup_items (dlg, reg_prefs.auto_backup);
209			if (reg_prefs.auto_backup == 1) {
210			if (!IsDlgButtonChecked (dlg, IDC_PREFS_BAKHOME) &&
211			!IsDlgButtonChecked (dlg, IDC_PREFS_BAKUSER))
212			CheckDlgButton (dlg, IDC_PREFS_BAKHOME, BST_CHECKED);
213			}
214			break;
215
216			case IDC_PREFS_BAKHOME:
217			EnableWindow (GetDlgItem (dlg, IDC_PREFS_BAKSELECT), FALSE);
218			EnableWindow (GetDlgItem (dlg, IDC_PREFS_BAKPATH), FALSE);
219			break;
220
221			case IDC_PREFS_BAKUSER:
222			EnableWindow (GetDlgItem (dlg, IDC_PREFS_BAKSELECT), TRUE);
223			EnableWindow (GetDlgItem (dlg, IDC_PREFS_BAKPATH), TRUE);
224			break;
225			}
226			break;
227			}
228			switch( LOWORD( wparam ) ) {
229			case IDC_PREFS_BAKSELECT:
230			const char *bpath;
231			bpath = get_folder_dlg (dlg, _("Select GPG backup path"), NULL);
232			if (bpath)
233			SetDlgItemText (dlg, IDC_PREFS_BAKPATH, bpath);
234			break;
235
236			case IDC_PREFS_KSELFILE: {
237			const char * name;
238			name = get_filename_dlg (dlg, FILE_OPEN, _("Please select a keyserver.conf file"),
239			NULL, NULL);
240			if (name != NULL)
241			SetDlgItemText (dlg, IDC_PREFS_KSERVER, name);
242			break; }
243
244			case IDOK:
245			rc = GetDlgItemInt( dlg, IDC_PREFS_CACHETIME, NULL, FALSE );
246			if( !rc )
247			reg_prefs.cache_time = 0;
248			else if( rc > 3600 ) {
249			msg_box( dlg, _("Please enter a value that is between 1-3600.\nIt is not "
250			"a good idea to cache the passphrase more than one hour."),
251			_("Preferences"), MB_ERR );
252			SetDlgItemInt( dlg, IDC_PREFS_CACHETIME, 0, FALSE );
253			return TRUE;
254			}
255			if (reg_prefs.cache_time != rc)
256			agent_flush_cache ();
257			reg_prefs.cache_time = rc;
258			rc = GetDlgItemInt( dlg, IDC_PREFS_WORDWRAP, NULL, FALSE );
259			if( !rc )
260			reg_prefs.word_wrap = 0;
261			else if( rc > 80 ) {
262			msg_box( dlg, _("Please enter a value between 1-80."), _("Preferences"), MB_ERR );
263			return TRUE;
264			}
265			reg_prefs.word_wrap = rc;
266			reg_prefs.use_tmpfiles = IsDlgButtonChecked( dlg, IDC_PREFS_SECMODE )? 0 : 1;
267			reg_prefs.use_viewer = IsDlgButtonChecked( dlg, IDC_PREFS_VIEWER )? 1 : 0;
268			reg_prefs.backup.mode = IsDlgButtonChecked( dlg, IDC_PREFS_BAKHOME ) ? 1 :
269			IsDlgButtonChecked( dlg, IDC_PREFS_BAKUSER )? 2 : 0;
270			if( reg_prefs.backup.mode == 2 ) {
271			if( !GetDlgItemText( dlg, IDC_PREFS_BAKPATH, path, sizeof (path)-1 )
272			\|\| dir_exist_check( path ) ) {
273			msg_box( dlg, _("The specified backup folder is invalid."),
274			_("Preferences"), MB_ERR );
275			return TRUE;
276			}
277			free_if_alloc (reg_prefs.backup.path);
278			p = reg_prefs.backup.path = m_strdup (path);
279			if (!p)
280			BUG (0);
281			}
282			free_if_alloc (reg_prefs.kserv_conf);
283			if (!GetDlgItemText (dlg, IDC_PREFS_KSERVER, path, sizeof (path)-1)
284			\|\| file_exist_check (path)) {
285			rc = msg_box (dlg, _("The specified keyserver config file is invalid.\n\n"
286			"Create new default config file?"),
287			_("Preferences"), MB_ERR\|MB_YESNO);
288			if (rc == IDNO)
289			return TRUE;
290			else
291			{
292			char cwd[256], * fn;
293			FILE * fp = fopen ("keyserver.conf", "wb");
294			if (fp) {
295			fprintf (fp, "%s\r\n", DEF_HKP_KEYSERVER);
296			fclose (fp);
297			}
298			GetCurrentDirectory (DIM (cwd)-1, cwd);
299			fn = make_filename (cwd, "keyserver", "conf");
300			memset (path, 0, sizeof( path));
301			strncpy (path, fn, DIM (path)-1);
302			free_if_alloc (fn);
303			}
304			}
305			p = reg_prefs.kserv_conf = m_strdup (path);
306			if (!p)
307			BUG (0);
308
309			cb = GetDlgItem( dlg, IDC_PREFS_LISTMODE );
310			reg_prefs.keylist_mode = SendMessage( cb, CB_GETCURSEL, 0, 0 );
311
312			cb = GetDlgItem( dlg, IDC_PREFS_WIPEMODE );
313			reg_prefs.wipe_mode = SendMessage( cb, CB_GETCURSEL, 0, 0 );
314
315			if (IsDlgButtonChecked (dlg, IDC_PREFS_DISABLE_HOTKEYS)) {
316			hotkeys_unregister (glob_hwnd);
317			reg_prefs.no_hotkeys = 1;
318			}
319			else {
320			reg_prefs.no_hotkeys = 0;
321			for( i = 0; (id = hotkeys[i]); i++ ) {
322			rc = GetDlgItemText( dlg, id, t, 2 );
323			if( rc && check_hotkey( &t[0] ) )
324			hotkey_enable( &reg_hotkeys[i], t );
325			else
326			hotkey_disable( &reg_hotkeys[i] );
327			}
328			set_reg_entry (HKEY_CURRENT_USER, "Software\\WinPT", "DisableHotkeys", "0");
329			reg_prefs.no_hotkeys = 0;
330			}
331
332			if ((rc = set_reg_winpt_prefs (&reg_prefs)))
333			msg_box (dlg, winpt_strerror (rc), _("Preferences"), MB_ERR);
334
335			if (reg_prefs.no_hotkeys == 0) {
336			hotkeys_unregister (glob_hwnd);
337			hotkeys_modify ();
338			if ((rc = hotkeys_register (glob_hwnd)))
339			msg_box (NULL, winpt_strerror (rc), _("Hotkeys"), MB_ERR);
340			}
341			EndDialog (dlg, TRUE);
342			return TRUE;
343
344			case IDCANCEL:
345			EndDialog( dlg, FALSE );
346			return FALSE;
347			}
348			break;
349			}
350
351			return FALSE;
352			}