/[winpt]/trunk/Src/wptPreferencesDlg.cpp
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Contents of /trunk/Src/wptPreferencesDlg.cpp

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Revision 273 - (show annotations)
Fri Dec 8 10:22:17 2006 UTC (18 years, 2 months ago) by twoaday
File size: 11212 byte(s)


1 /* wptPreferencesDlg.cpp - Dialog for the preferences
2 * Copyright (C) 2001, 2002, 2003, 2005, 2006 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 #ifdef HAVE_CONFIG_H
21 #include <config.h>
22 #endif
23
24 #include <windows.h>
25 #include <shlobj.h>
26
27 #include "wptNLS.h"
28 #include "wptGPG.h"
29 #include "wptCommonCtl.h"
30 #include "wptDlgs.h"
31 #include "wptTypes.h"
32 #include "wptErrors.h"
33 #include "wptRegistry.h"
34 #include "wptHotkey.h"
35 #include "wptW32API.h"
36 #include "wptVersion.h"
37 #include "wptAgent.h"
38 #include "wptKeyserver.h"
39 #include "resource.h"
40
41
42 /* Dialog IDs of all hotkeys. */
43 static int hotkeys[] = {
44 IDC_PREFS_CLIP_ENCRYPT,
45 IDC_PREFS_CLIP_DECRYPT_VERIFY,
46 IDC_PREFS_CLIP_SIGNENC,
47 IDC_PREFS_CLIP_SIGN,
48 IDC_PREFS_CWS_ENCRYPT,
49 IDC_PREFS_CWS_DECRYPT_VERIFY,
50 IDC_PREFS_CWS_SIGN,
51 IDC_PREFS_CWS_SIGNENC,
52 0
53 };
54
55
56 /* Check that the given hotkey is in A..Z or a..z. */
57 static int
58 check_hotkey (char *key)
59 {
60 if (*key >= 'A' && *key <= 'Z')
61 return 1;
62 else if (*key >= 'a' && *key <= 'z') {
63 *key = *key - 32;
64 return 1;
65 }
66 return 0;
67 }
68
69
70 /* Disable all hotkey controls in the dialog @dlg if val is 1. */
71 static void
72 disable_hotkey_items (HWND dlg, int val)
73 {
74 int mode = val? FALSE : TRUE;
75 int i, id;
76
77 for (i=0; (id = hotkeys[i]); i++)
78 EnableWindow (GetDlgItem (dlg, id), mode);
79 }
80
81
82
83 /* En- or disable the backup items in the dialog @dlg.
84 If val != 0 activate them, disable them otherwise. */
85 static void
86 enable_backup_items (HWND dlg, int val)
87 {
88 int mode = val? TRUE : FALSE;
89
90 EnableWindow (GetDlgItem (dlg, IDC_PREFS_BAKHOME), mode);
91 EnableWindow (GetDlgItem (dlg, IDC_PREFS_BAKUSER), mode);
92 EnableWindow (GetDlgItem (dlg, IDC_PREFS_BAKSELECT), mode);
93 EnableWindow (GetDlgItem (dlg, IDC_PREFS_BAKPATH), mode);
94 }
95
96 /* Helper function to prepare dialog. */
97 static void
98 on_init_dialog (HWND dlg)
99 {
100 struct gettext_tab_s prefs[] = {
101 {IDC_PREFS_SECMODE, _("Do not use any &temporary files")},
102 {IDC_PREFS_VIEWER, _("Use clipboard &viewer to display the plaintext")},
103 {IDC_PREFS_WWINFO, _("Word wrap cleartext &signatures at column")},
104 {IDC_PREFS_DISABLE_HOTKEYS, _("&Disable hotkeys (Not recommended!)")},
105 {IDC_PREFS_TRUST, _("Skip key validation and assume that keys are always fully trusted")},
106 {IDC_PREFS_AUTOBACKUP, _("&Automatic keyring backup when WinPT closes")},
107 {IDC_PREFS_BAKHOME, _("Backup to &keyring folder")},
108 {IDC_PREFS_BAKUSER, _("Backup to:")},
109 {IDC_PREFS_KEYLISTINF, _("Select &key list mode")},
110 {IDC_PREFS_KSINF, _("Keyserver &config")},
111 {IDC_PREFS_CACHEINF, _("Cache &passphrases for 'n' minutes")},
112 {IDC_PREFS_CACHEHINT, _("(CTRL+ALT+F to clear the cache)")},
113 {IDC_PREFS_ALLOPTINF, _("General options")},
114 {IDC_PREFS_CLIPINF, _("Clipboard hotkeys")},
115 {IDC_PREFS_CURRINF, _("Current window hotkeys")},
116 {IDC_PREFS_KSELFILE, _("Browse...")},
117 {IDC_PREFS_BAKSELECT, _("Browse...")},
118 {IDC_PREFS_EXTINF, _("Default extension for encrypted files")},
119 {IDC_PREFS_BAKSECRING, _("&Backup includes secret keyring")},
120 {IDCANCEL, _("&Cancel")},
121 {0, NULL}};
122 int i;
123 HWND cb;
124
125 gettext_localize_dialog (dlg, prefs, _("WinPT Preferences"));
126
127 SetDlgItemInt (dlg, IDC_PREFS_CACHETIME, reg_prefs.cache_time/60, TRUE);
128 SetDlgItemInt (dlg, IDC_PREFS_WORDWRAP, reg_prefs.word_wrap, TRUE);
129 if (reg_prefs.backup.path)
130 SetDlgItemText (dlg, IDC_PREFS_BAKPATH, reg_prefs.backup.path);
131
132 for (i=0; hotkeys[i]; i++) {
133 if (!wpt_hotkeys[i].enabled)
134 continue;
135 char key[2];
136 key[0] = wpt_hotkeys[i].key;
137 key[1] = 0;
138 SetDlgItemText (dlg, hotkeys[i], key);
139 }
140 cb = GetDlgItem (dlg, IDC_PREFS_DEFEXT);
141 combox_add_string (cb, "GnuPG (.gpg)");
142 combox_add_string (cb, "PGP (.pgp)");
143 SendMessage (cb, CB_SETCURSEL, 0, 0);
144
145 CheckDlgButton (dlg, IDC_PREFS_DISABLE_HOTKEYS,
146 reg_prefs.no_hotkeys ? BST_CHECKED : BST_UNCHECKED);
147 CheckDlgButton (dlg, IDC_PREFS_VIEWER,
148 reg_prefs.use_viewer ? BST_CHECKED: BST_UNCHECKED);
149 CheckDlgButton (dlg, IDC_PREFS_TRUST,
150 reg_prefs.always_trust? BST_CHECKED : BST_UNCHECKED);
151 CheckDlgButton (dlg, IDC_PREFS_AUTOBACKUP,
152 reg_prefs.auto_backup? BST_CHECKED : BST_UNCHECKED);
153 CheckDlgButton (dlg, IDC_PREFS_BAKHOME,
154 reg_prefs.backup.mode==1? BST_CHECKED : BST_UNCHECKED);
155 CheckDlgButton (dlg, IDC_PREFS_BAKUSER,
156 reg_prefs.backup.mode==2? BST_CHECKED : BST_UNCHECKED);
157 CheckDlgButton (dlg, IDC_PREFS_BAKSECRING,
158 reg_prefs.backup.include_secr? BST_CHECKED :BST_UNCHECKED);
159 SendDlgItemMessage (dlg, IDC_PREFS_DEFEXT, CB_SETCURSEL,
160 reg_prefs.default_ext, 0);
161 if (reg_prefs.no_hotkeys)
162 disable_hotkey_items (dlg, 1);
163 if (!reg_prefs.auto_backup)
164 enable_backup_items (dlg, 0);
165 EnableWindow (GetDlgItem (dlg, IDC_PREFS_BAKPATH),
166 reg_prefs.backup.mode==1?FALSE : TRUE);
167 EnableWindow (GetDlgItem (dlg, IDC_PREFS_BAKSELECT),
168 reg_prefs.backup.mode==1? FALSE : TRUE);
169 center_window (dlg, NULL);
170 SetForegroundWindow (dlg);
171 }
172
173
174 /* Dialog box procedure for the WinPT preferences. */
175 BOOL CALLBACK
176 prefs_dlg_proc (HWND dlg, UINT msg, WPARAM wparam, LPARAM lparam)
177 {
178 int rc;
179 int i;
180 char t[3];
181 char path[256], *p;
182
183 switch (msg) {
184 case WM_INITDIALOG:
185 on_init_dialog (dlg);
186 return TRUE;
187
188 case WM_SYSCOMMAND:
189 if (LOWORD (wparam) == SC_CLOSE)
190 EndDialog (dlg, FALSE);
191 return FALSE;
192
193 case WM_COMMAND:
194 switch (HIWORD (wparam)) {
195 case BN_CLICKED:
196 switch ((int)LOWORD (wparam)) {
197 case IDC_PREFS_DISABLE_HOTKEYS:
198 reg_prefs.no_hotkeys ^= 1;
199 disable_hotkey_items (dlg, reg_prefs.no_hotkeys);
200 break;
201
202 case IDC_PREFS_TRUST:
203 reg_prefs.always_trust ^= 1;
204 if (reg_prefs.always_trust) {
205 msg_box (dlg,
206 _("In most cases it is not a good idea to enable this setting.\n"
207 "If you know what you are doing, you can enable this flag, otherwise\n"
208 "it is safe to leave this flag untouched."),
209 _("Preferences"), MB_ICONWARNING|MB_OK);
210 }
211 break;
212
213 case IDC_PREFS_AUTOBACKUP:
214 reg_prefs.auto_backup ^= 1;
215 enable_backup_items (dlg, reg_prefs.auto_backup);
216 if (reg_prefs.auto_backup == 1) {
217 if (!IsDlgButtonChecked (dlg, IDC_PREFS_BAKHOME) &&
218 !IsDlgButtonChecked (dlg, IDC_PREFS_BAKUSER))
219 CheckDlgButton (dlg, IDC_PREFS_BAKHOME, BST_CHECKED);
220 }
221 if (IsDlgButtonChecked (dlg, IDC_PREFS_BAKHOME))
222 EnableWindow (GetDlgItem (dlg, IDC_PREFS_BAKPATH), FALSE);
223 break;
224
225 case IDC_PREFS_BAKHOME:
226 EnableWindow (GetDlgItem (dlg, IDC_PREFS_BAKSELECT), FALSE);
227 EnableWindow (GetDlgItem (dlg, IDC_PREFS_BAKPATH), FALSE);
228 break;
229
230 case IDC_PREFS_BAKUSER:
231 EnableWindow (GetDlgItem (dlg, IDC_PREFS_BAKSELECT), TRUE);
232 EnableWindow (GetDlgItem (dlg, IDC_PREFS_BAKPATH), TRUE);
233 break;
234 }
235 break;
236 }
237 switch (LOWORD (wparam)) {
238 case IDC_PREFS_BAKSELECT:
239 const char *bpath;
240 bpath = get_folder_dlg (dlg, _("Select GPG backup path"), NULL);
241 if (bpath)
242 SetDlgItemText (dlg, IDC_PREFS_BAKPATH, bpath);
243 break;
244
245 case IDOK:
246 rc = GetDlgItemInt (dlg, IDC_PREFS_CACHETIME, NULL, FALSE);
247 if (rc <= 0) {
248 reg_prefs.cache_time = 0;
249 agent_flush_cache ();
250 }
251 else if (rc > 720) {
252 msg_box( dlg, _("Please enter a value that is between 1-720.\nIt is not "
253 "a good idea to cache the passphrase more than 12 hours."),
254 _("Preferences"), MB_ERR);
255 SetDlgItemInt (dlg, IDC_PREFS_CACHETIME, 0, FALSE);
256 return TRUE;
257 }
258 if (reg_prefs.cache_time != rc)
259 agent_flush_cache ();
260 reg_prefs.cache_time = rc*60;
261 rc = GetDlgItemInt (dlg, IDC_PREFS_WORDWRAP, NULL, FALSE);
262 if (rc <= 0)
263 reg_prefs.word_wrap = 0;
264 else if (rc > 80) {
265 msg_box (dlg, _("Please enter a value between 1-80."),
266 _("Preferences"), MB_ERR);
267 return TRUE;
268 }
269 reg_prefs.default_ext = SendDlgItemMessage (dlg, IDC_PREFS_DEFEXT, CB_GETCURSEL, 0, 0);
270 reg_prefs.word_wrap = rc;
271 reg_prefs.use_viewer = IsDlgButtonChecked (dlg, IDC_PREFS_VIEWER)? 1 : 0;
272 reg_prefs.backup.mode = IsDlgButtonChecked (dlg, IDC_PREFS_BAKHOME ) ? 1 :
273 IsDlgButtonChecked (dlg, IDC_PREFS_BAKUSER)? 2 : 0;
274 reg_prefs.backup.include_secr = IsDlgButtonChecked (dlg, IDC_PREFS_BAKSECRING)? 1 : 0;
275 #ifdef WINPT_MOBILE
276 /* We cannot allow backups to a specific path outside
277 the USB disk, so we disable it. */
278 if (reg_prefs.backup.mode == 2) {
279 reg_prefs.backup.mode = 1;
280 reg_prefs.backup.include_secr = 0;
281 }
282 #endif
283 if (reg_prefs.backup.mode == 2) {
284 if (!GetDlgItemText (dlg, IDC_PREFS_BAKPATH, path, sizeof (path)-1)
285 || dir_exist_check (path)) {
286 msg_box (dlg, _("The specified backup folder is invalid."),
287 _("Preferences"), MB_ERR);
288 return TRUE;
289 }
290 free_if_alloc (reg_prefs.backup.path);
291 p = reg_prefs.backup.path = m_strdup (path);
292 if (!p)
293 BUG (0);
294 }
295
296 if (IsDlgButtonChecked (dlg, IDC_PREFS_DISABLE_HOTKEYS)) {
297 hotkeys_unregister (glob_hwnd);
298 reg_prefs.no_hotkeys = 1;
299 }
300 else {
301 reg_prefs.no_hotkeys = 0;
302 for (i = 0; hotkeys[i]; i++) {
303 rc = GetDlgItemText (dlg, hotkeys[i], t, sizeof (t)-1);
304 if (rc > 0 && check_hotkey (&t[0]))
305 hotkey_enable (&wpt_hotkeys[i], t);
306 else
307 hotkey_disable (&wpt_hotkeys[i]);
308 }
309 set_reg_entry (HKEY_CURRENT_USER, "Software\\WinPT", "DisableHotkeys", "0");
310 reg_prefs.no_hotkeys = 0;
311 }
312
313 rc = set_reg_winpt_prefs (&reg_prefs);
314 if (rc)
315 msg_box (dlg, winpt_strerror (rc), _("Preferences"), MB_ERR);
316
317 if (reg_prefs.no_hotkeys == 0) {
318 hotkeys_unregister (glob_hwnd);
319 rc = hotkeys_register (glob_hwnd);
320 if (rc)
321 msg_box (NULL, winpt_strerror (rc), _("Hotkeys"), MB_ERR);
322 }
323 EndDialog (dlg, TRUE);
324 return TRUE;
325
326 case IDCANCEL:
327 /* Reset backup mode if no mode was chosen. */
328 if (reg_prefs.auto_backup == 1 &&
329 !IsDlgButtonChecked (dlg, IDC_PREFS_BAKHOME) &&
330 !IsDlgButtonChecked (dlg, IDC_PREFS_BAKUSER))
331 reg_prefs.auto_backup = 0;
332 EndDialog (dlg, FALSE);
333 return FALSE;
334 }
335 break;
336 }
337
338 return FALSE;
339 }

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