src/prefs_logging.c

   1 /*
   2  * Claws Mail -- a GTK+ based, lightweight, and fast e-mail client
   3  * Copyright (C) 1999-2007 Tristan Chabredier <wwp@claws-mail.org> and
   4  * the Claws Mail team
   5  *
   6  * This program 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 3 of the License, or
   9  * (at your option) any later version.
  10  *
  11  * This program 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 this program. If not, see <http://www.gnu.org/licenses/>.
  18  *
  19  */
  20
  21 #ifdef HAVE_CONFIG_H
  22 #  include "config.h"
  23 #endif
  24
  25 #include "defs.h"
  26
  27 #include <stdio.h>
  28 #include <stdlib.h>
  29
  30 #include <glib.h>
  31 #include <glib/gi18n.h>
  32 #include <gtk/gtk.h>
  33
  34 #include "prefs_common.h"
  35 #include "prefs_gtk.h"
  36
  37 #include "gtk/gtkutils.h"
  38 #include "gtk/prefswindow.h"
  39 #include "gtk/menu.h"
  40
  41 #include "manage_window.h"
  42
  43 #include "log.h"
  44 #include "combobox.h"
  45
  46 typedef struct _LoggingPage
  47 {
  48         PrefsPage page;
  49
  50         GtkWidget *window;
  51
  52         GtkWidget *checkbtn_clip_network_log;
  53         GtkWidget *spinbtn_network_log_length;
  54         GtkWidget *checkbtn_log_standard;
  55         GtkWidget *checkbtn_log_warning;
  56         GtkWidget *checkbtn_log_error;
  57         GtkWidget *checkbtn_log_status;
  58         GtkWidget *checkbtn_clip_filtering_log;
  59         GtkWidget *spinbtn_filtering_log_length;
  60         GtkWidget *checkbtn_filtering_log;
  61         GtkWidget *checkbtn_filtering_log_inc;
  62         GtkWidget *checkbtn_filtering_log_manual;
  63         GtkWidget *checkbtn_filtering_log_folder_proc;
  64         GtkWidget *checkbtn_filtering_log_pre_proc;
  65         GtkWidget *checkbtn_filtering_log_post_proc;
  66         GtkWidget *optmenu_filtering_log_level;
  67 } LoggingPage;
  68
  69 static GtkWidget *prefs_logging_create_check_buttons(GtkWidget **checkbtn1,
  70                         gchar *label1, GtkWidget **checkbtn2, gchar *label2)
  71 {
  72         GtkWidget *hbox_checkbtn;
  73
  74         hbox_checkbtn = gtk_hbox_new(FALSE, VBOX_BORDER);
  75         gtk_widget_show(hbox_checkbtn);
  76
  77         PACK_CHECK_BUTTON (hbox_checkbtn, *checkbtn1, label1);
  78         gtk_label_set_line_wrap(GTK_LABEL(gtk_bin_get_child(GTK_BIN((*checkbtn1)))), TRUE);
  79
  80         PACK_CHECK_BUTTON (hbox_checkbtn, *checkbtn2, label2);
  81         gtk_label_set_line_wrap(GTK_LABEL(gtk_bin_get_child(GTK_BIN((*checkbtn2)))), TRUE);
  82
  83         return hbox_checkbtn;
  84 }
  85
  86 static void prefs_logging_create_widget(PrefsPage *_page, GtkWindow *window,
  87                                   gpointer data)
  88 {
  89         LoggingPage *prefs_logging = (LoggingPage *) _page;
  90
  91         GtkWidget *vbox1;
  92
  93         GtkWidget *frame_logging;
  94         GtkWidget *vbox_network_log;
  95         GtkWidget *hbox_clip_network_log;
  96         GtkWidget *checkbtn_clip_network_log;
  97         GtkWidget *spinbtn_network_log_length;
  98         GtkObject *spinbtn_network_log_length_adj;
  99         GtkWidget *vbox1_filtering_log;
 100         GtkWidget *hbox_clip_filtering_log;
 101         GtkWidget *checkbtn_clip_filtering_log;
 102         GtkWidget *spinbtn_filtering_log_length;
 103         GtkObject *spinbtn_filtering_log_length_adj;
 104         GtkWidget *hbox_filtering_log;
 105         GtkWidget *checkbtn_filtering_log;
 106         GtkWidget *frame_filtering_log;
 107         GtkWidget *vbox2_filtering_log;
 108         GtkWidget *hbox_checkbtn;
 109         GtkWidget *checkbtn_filtering_log_inc;
 110         GtkWidget *checkbtn_filtering_log_manual;
 111         GtkWidget *checkbtn_filtering_log_folder_proc;
 112         GtkWidget *checkbtn_filtering_log_pre_proc;
 113         GtkWidget *checkbtn_filtering_log_post_proc;
 114         GtkWidget *hbox_filtering_log_level;
 115         GtkWidget *label_filtering_log_level;
 116         GtkWidget *optmenu_filtering_log_level;
 117         GtkListStore *menu;
 118         GtkTreeIter iter;
 119         GtkWidget *frame_disk_log;
 120         GtkWidget *vbox_disk_log;
 121         GtkWidget *label;
 122         GtkWidget *hbox;
 123         GtkWidget *checkbtn_log_standard;
 124         GtkWidget *checkbtn_log_warning;
 125         GtkWidget *checkbtn_log_error;
 126         GtkWidget *checkbtn_log_status;
 127         GtkSizeGroup *log_size_group;
 128         GtkSizeGroup *filter_size_group;
 129         CLAWS_TIP_DECL();
 130
 131         vbox1 = gtk_vbox_new (FALSE, VSPACING);
 132         gtk_widget_show (vbox1);
 133         gtk_container_set_border_width (GTK_CONTAINER (vbox1), VBOX_BORDER);
 134
 135         /* Protocol log */
 136         vbox_network_log = gtkut_get_options_frame(vbox1, &frame_logging, _("Network log"));
 137
 138         hbox_clip_network_log = gtk_hbox_new (FALSE, 8);
 139         gtk_container_add (GTK_CONTAINER (vbox_network_log), hbox_clip_network_log);
 140         gtk_widget_show (hbox_clip_network_log);
 141
 142         PACK_CHECK_BUTTON (hbox_clip_network_log, checkbtn_clip_network_log,
 143                            _("Restrict the log window to"));
 144
 145         spinbtn_network_log_length_adj = gtk_adjustment_new (500, 0, G_MAXINT, 1, 10, 10);
 146         spinbtn_network_log_length = gtk_spin_button_new
 147                 (GTK_ADJUSTMENT (spinbtn_network_log_length_adj), 1, 0);
 148         gtk_widget_show (spinbtn_network_log_length);
 149         gtk_box_pack_start (GTK_BOX (hbox_clip_network_log), spinbtn_network_log_length,
 150                             FALSE, FALSE, 0);
 151         gtk_widget_set_size_request (GTK_WIDGET (spinbtn_network_log_length), 64, -1);
 152         gtk_spin_button_set_numeric (GTK_SPIN_BUTTON (spinbtn_network_log_length), TRUE);
 153
 154         CLAWS_SET_TIP(spinbtn_network_log_length,
 155                              _("0 to stop logging in the log window"));
 156
 157         label = gtk_label_new(_("lines"));
 158         gtk_widget_show (label);
 159         gtk_box_pack_start(GTK_BOX(hbox_clip_network_log), label, FALSE, FALSE, 0);
 160
 161         SET_TOGGLE_SENSITIVITY(checkbtn_clip_network_log, spinbtn_network_log_length);
 162         SET_TOGGLE_SENSITIVITY(checkbtn_clip_network_log, label);
 163
 164         /* Filtering/processing debug log */
 165         vbox1_filtering_log = gtkut_get_options_frame(vbox1,
 166                                 &frame_logging, _("Filtering/processing log"));
 167
 168         PACK_CHECK_BUTTON (vbox1_filtering_log, checkbtn_filtering_log,
 169                            _("Enable logging of filtering/processing rules"));
 170         hbox_filtering_log = gtk_hbox_new (FALSE, 8);
 171         gtk_container_add (GTK_CONTAINER (vbox1_filtering_log), hbox_filtering_log);
 172         gtk_widget_show (hbox_filtering_log);
 173
 174         CLAWS_SET_TIP(checkbtn_filtering_log,
 175                              _("If checked, turns on logging of filtering and processing rules.\n"
 176                                 "The log is accessible from 'Tools/Filtering log'.\n"
 177                                 "Caution: enabling this option will slow down the filtering/processing, "
 178                                 "this might be critical when applying many rules upon thousands of "
 179                                 "messages."));
 180
 181         vbox2_filtering_log = gtkut_get_options_frame(vbox1_filtering_log, &frame_filtering_log,
 182                                                         _("Log filtering/processing when..."));
 183
 184         hbox_checkbtn = prefs_logging_create_check_buttons(
 185                                                 &checkbtn_filtering_log_inc,
 186                                                 _("filtering at incorporation"),
 187                                                 &checkbtn_filtering_log_pre_proc,
 188                                                 _("pre-processing folders"));
 189         gtk_box_pack_start(GTK_BOX(vbox2_filtering_log), hbox_checkbtn, FALSE, FALSE, 0);
 190
 191         hbox_checkbtn = prefs_logging_create_check_buttons(
 192                                                 &checkbtn_filtering_log_manual,
 193                                                 _("manually filtering"),
 194                                                 &checkbtn_filtering_log_post_proc,
 195                                                 _("post-processing folders"));
 196         gtk_box_pack_start(GTK_BOX(vbox2_filtering_log), hbox_checkbtn, FALSE, FALSE, 0);
 197
 198         hbox_checkbtn = gtk_hbox_new(TRUE, VBOX_BORDER);
 199         gtk_widget_show(hbox_checkbtn);
 200         gtk_box_pack_start(GTK_BOX(vbox2_filtering_log), hbox_checkbtn, FALSE, FALSE, 0);
 201         PACK_CHECK_BUTTON (hbox_checkbtn, checkbtn_filtering_log_folder_proc,
 202                            _("processing folders"));
 203         gtk_box_pack_start(GTK_BOX(hbox_checkbtn), gtk_label_new(""),
 204                            FALSE, TRUE, 0);
 205
 206         filter_size_group = gtk_size_group_new(GTK_SIZE_GROUP_HORIZONTAL);
 207         gtk_size_group_add_widget(filter_size_group, checkbtn_filtering_log_inc);
 208         gtk_size_group_add_widget(filter_size_group, checkbtn_filtering_log_manual);
 209         gtk_size_group_add_widget(filter_size_group, checkbtn_filtering_log_folder_proc);
 210
 211         SET_TOGGLE_SENSITIVITY(checkbtn_filtering_log, frame_filtering_log);
 212
 213         hbox_filtering_log_level = gtk_hbox_new (FALSE, 8);
 214         gtk_widget_show (hbox_filtering_log_level);
 215         gtk_box_pack_start(GTK_BOX (vbox1_filtering_log), hbox_filtering_log_level, FALSE, FALSE, 0);
 216
 217         label_filtering_log_level = gtk_label_new (_("Log level"));
 218         gtk_widget_show (label_filtering_log_level);
 219         gtk_box_pack_start(GTK_BOX(hbox_filtering_log_level), label_filtering_log_level, FALSE, FALSE, 0);
 220
 221         optmenu_filtering_log_level = gtkut_sc_combobox_create(NULL, FALSE);
 222         gtk_widget_show (optmenu_filtering_log_level);
 223
 224         menu = GTK_LIST_STORE(gtk_combo_box_get_model(
 225                                 GTK_COMBO_BOX(optmenu_filtering_log_level)));
 226         COMBOBOX_ADD (menu, _("Low"), 0);
 227         COMBOBOX_ADD (menu, _("Medium"), 1);
 228         COMBOBOX_ADD (menu, _("High"), 2);
 229
 230         gtk_box_pack_start(GTK_BOX(hbox_filtering_log_level), optmenu_filtering_log_level, FALSE, FALSE, 0);
 231
 232         CLAWS_SET_TIP(optmenu_filtering_log_level,
 233                              _("Select the level of detail of the logging.\n"
 234                                 "Choose Low to see when rules are applied, which "
 235                                 "conditions match or don't match and what actions are "
 236                                 "performed.\n"
 237                                 "Choose Medium to see more details about the message "
 238                                 "that is being processed, and why rules are skipped.\n"
 239                                 "Choose High to explicitly show the reason why all "
 240                                 "rules are processed or skipped, and why all conditions "
 241                                 "are matched or not matched.\n"
 242                                 "Caution: the higher the level, the greater the "
 243                                 "impact on performance."));
 244
 245         hbox_clip_filtering_log = gtk_hbox_new (FALSE, 8);
 246         gtk_container_add (GTK_CONTAINER (vbox1_filtering_log), hbox_clip_filtering_log);
 247         gtk_widget_show (hbox_clip_filtering_log);
 248         PACK_CHECK_BUTTON (hbox_clip_filtering_log, checkbtn_clip_filtering_log,
 249                            _("Restrict the log window to"));
 250
 251         spinbtn_filtering_log_length_adj = gtk_adjustment_new (500, 0, G_MAXINT, 1, 10, 10);
 252         spinbtn_filtering_log_length = gtk_spin_button_new
 253                 (GTK_ADJUSTMENT (spinbtn_filtering_log_length_adj), 1, 0);
 254         gtk_widget_show (spinbtn_filtering_log_length);
 255         gtk_box_pack_start (GTK_BOX (hbox_clip_filtering_log), spinbtn_filtering_log_length,
 256                             FALSE, FALSE, 0);
 257         gtk_widget_set_size_request (GTK_WIDGET (spinbtn_filtering_log_length), 64, -1);
 258         gtk_spin_button_set_numeric (GTK_SPIN_BUTTON (spinbtn_filtering_log_length), TRUE);
 259
 260         CLAWS_SET_TIP(spinbtn_filtering_log_length,
 261                              _("0 to stop logging in the log window"));
 262
 263         label = gtk_label_new(_("lines"));
 264         gtk_widget_show (label);
 265         gtk_box_pack_start(GTK_BOX(hbox_clip_filtering_log), label, FALSE, FALSE, 0);
 266
 267         SET_TOGGLE_SENSITIVITY(checkbtn_clip_filtering_log, spinbtn_filtering_log_length);
 268         SET_TOGGLE_SENSITIVITY(checkbtn_clip_filtering_log, label);
 269         SET_TOGGLE_SENSITIVITY(checkbtn_filtering_log, hbox_clip_filtering_log);
 270         SET_TOGGLE_SENSITIVITY(checkbtn_filtering_log, optmenu_filtering_log_level);
 271         SET_TOGGLE_SENSITIVITY(checkbtn_filtering_log, checkbtn_clip_filtering_log);
 272         SET_TOGGLE_SENSITIVITY(checkbtn_filtering_log, label_filtering_log_level);
 273
 274         /* disk log */
 275         vbox_disk_log = gtkut_get_options_frame(vbox1, &frame_disk_log, _("Disk log"));
 276
 277         label = gtk_label_new(_("Write the following information to disk..."));
 278         gtk_widget_show(label);
 279         hbox = gtk_hbox_new (FALSE, 8);
 280         gtk_container_add (GTK_CONTAINER (vbox_disk_log), hbox);
 281         gtk_box_pack_start(GTK_BOX(hbox), label, FALSE, FALSE, 0);
 282         gtk_widget_show (hbox);
 283
 284         hbox_checkbtn = prefs_logging_create_check_buttons(&checkbtn_log_warning,
 285                                 _("Warning messages"), &checkbtn_log_standard,
 286                                 _("Network protocol messages"));
 287         gtk_box_pack_start(GTK_BOX(vbox_disk_log), hbox_checkbtn, FALSE, FALSE, 0);
 288
 289         hbox_checkbtn = prefs_logging_create_check_buttons(&checkbtn_log_error,
 290                                 _("Error messages"), &checkbtn_log_status,
 291                                 _("Status messages for filtering/processing log"));
 292         gtk_box_pack_start(GTK_BOX(vbox_disk_log), hbox_checkbtn, FALSE, FALSE, 0);
 293
 294         log_size_group = gtk_size_group_new(GTK_SIZE_GROUP_HORIZONTAL);
 295         gtk_size_group_add_widget(log_size_group, checkbtn_log_warning);
 296         gtk_size_group_add_widget(log_size_group, checkbtn_log_error);
 297
 298         gtk_toggle_button_set_active(GTK_TOGGLE_BUTTON(checkbtn_clip_network_log),
 299                 prefs_common.cliplog);
 300         gtk_toggle_button_set_active(GTK_TOGGLE_BUTTON(checkbtn_clip_filtering_log),
 301                 prefs_common.filtering_debug_cliplog);
 302         gtk_toggle_button_set_active(GTK_TOGGLE_BUTTON(checkbtn_log_standard),
 303                 prefs_common.enable_log_standard);
 304         gtk_toggle_button_set_active(GTK_TOGGLE_BUTTON(checkbtn_log_warning),
 305                 prefs_common.enable_log_warning);
 306         gtk_toggle_button_set_active(GTK_TOGGLE_BUTTON(checkbtn_log_error),
 307                 prefs_common.enable_log_error);
 308         gtk_toggle_button_set_active(GTK_TOGGLE_BUTTON(checkbtn_log_status),
 309                 prefs_common.enable_log_status);
 310         gtk_toggle_button_set_active(GTK_TOGGLE_BUTTON(checkbtn_filtering_log),
 311                 prefs_common.enable_filtering_debug);
 312         gtk_toggle_button_set_active(GTK_TOGGLE_BUTTON(checkbtn_filtering_log_inc),
 313                 prefs_common.enable_filtering_debug_inc);
 314         gtk_toggle_button_set_active(GTK_TOGGLE_BUTTON(checkbtn_filtering_log_manual),
 315                 prefs_common.enable_filtering_debug_manual);
 316         gtk_toggle_button_set_active(GTK_TOGGLE_BUTTON(checkbtn_filtering_log_folder_proc),
 317                 prefs_common.enable_filtering_debug_folder_proc);
 318         gtk_toggle_button_set_active(GTK_TOGGLE_BUTTON(checkbtn_filtering_log_pre_proc),
 319                 prefs_common.enable_filtering_debug_pre_proc);
 320         gtk_toggle_button_set_active(GTK_TOGGLE_BUTTON(checkbtn_filtering_log_post_proc),
 321                 prefs_common.enable_filtering_debug_post_proc);
 322
 323         gtk_spin_button_set_value(GTK_SPIN_BUTTON(spinbtn_network_log_length),
 324                 prefs_common.loglength);
 325         gtk_spin_button_set_value(GTK_SPIN_BUTTON(spinbtn_filtering_log_length),
 326                 prefs_common.filtering_debug_loglength);
 327
 328         combobox_select_by_data(GTK_COMBO_BOX(optmenu_filtering_log_level),
 329                         prefs_common.filtering_debug_level);
 330
 331         prefs_logging->checkbtn_clip_network_log = checkbtn_clip_network_log;
 332         prefs_logging->spinbtn_network_log_length = spinbtn_network_log_length;
 333         prefs_logging->checkbtn_log_standard = checkbtn_log_standard;
 334         prefs_logging->checkbtn_log_warning = checkbtn_log_warning;
 335         prefs_logging->checkbtn_log_error = checkbtn_log_error;
 336         prefs_logging->checkbtn_log_status = checkbtn_log_status;
 337         prefs_logging->checkbtn_clip_filtering_log = checkbtn_clip_filtering_log;
 338         prefs_logging->spinbtn_filtering_log_length = spinbtn_filtering_log_length;
 339         prefs_logging->checkbtn_filtering_log = checkbtn_filtering_log;
 340         prefs_logging->checkbtn_filtering_log_inc = checkbtn_filtering_log_inc;
 341         prefs_logging->checkbtn_filtering_log_manual = checkbtn_filtering_log_manual;
 342         prefs_logging->checkbtn_filtering_log_folder_proc = checkbtn_filtering_log_folder_proc;
 343         prefs_logging->checkbtn_filtering_log_pre_proc = checkbtn_filtering_log_pre_proc;
 344         prefs_logging->checkbtn_filtering_log_post_proc = checkbtn_filtering_log_post_proc;
 345         prefs_logging->optmenu_filtering_log_level = optmenu_filtering_log_level;
 346
 347         prefs_logging->page.widget = vbox1;
 348 }
 349
 350 static void prefs_logging_save(PrefsPage *_page)
 351 {
 352         LoggingPage *page = (LoggingPage *) _page;
 353         MainWindow *mainwindow;
 354         gboolean filtering_debug_enabled;
 355
 356         prefs_common.filtering_debug_level =
 357                 combobox_get_active_data(GTK_COMBO_BOX(page->optmenu_filtering_log_level));
 358
 359         prefs_common.cliplog = gtk_toggle_button_get_active(
 360                 GTK_TOGGLE_BUTTON(page->checkbtn_clip_network_log));
 361         prefs_common.loglength = gtk_spin_button_get_value_as_int(
 362                 GTK_SPIN_BUTTON(page->spinbtn_network_log_length));
 363         prefs_common.enable_log_standard = gtk_toggle_button_get_active(
 364                 GTK_TOGGLE_BUTTON(page->checkbtn_log_standard));
 365         prefs_common.enable_log_warning = gtk_toggle_button_get_active(
 366                 GTK_TOGGLE_BUTTON(page->checkbtn_log_warning));
 367         prefs_common.enable_log_error = gtk_toggle_button_get_active(
 368                 GTK_TOGGLE_BUTTON(page->checkbtn_log_error));
 369         prefs_common.enable_log_status = gtk_toggle_button_get_active(
 370                 GTK_TOGGLE_BUTTON(page->checkbtn_log_status));
 371         prefs_common.filtering_debug_cliplog = gtk_toggle_button_get_active(
 372                 GTK_TOGGLE_BUTTON(page->checkbtn_clip_filtering_log));
 373         prefs_common.filtering_debug_loglength = gtk_spin_button_get_value_as_int(
 374                 GTK_SPIN_BUTTON(page->spinbtn_filtering_log_length));
 375         filtering_debug_enabled = prefs_common.enable_filtering_debug;
 376         prefs_common.enable_filtering_debug = gtk_toggle_button_get_active(
 377                 GTK_TOGGLE_BUTTON(page->checkbtn_filtering_log));
 378         if (filtering_debug_enabled != prefs_common.enable_filtering_debug) {
 379                 if (prefs_common.enable_filtering_debug)
 380                         log_message(LOG_DEBUG_FILTERING, _("filtering log enabled\n"));
 381                 else
 382                         log_message(LOG_DEBUG_FILTERING, _("filtering log disabled\n"));
 383         }
 384         prefs_common.enable_filtering_debug_inc = gtk_toggle_button_get_active(
 385                 GTK_TOGGLE_BUTTON(page->checkbtn_filtering_log_inc));
 386         prefs_common.enable_filtering_debug_manual = gtk_toggle_button_get_active(
 387                 GTK_TOGGLE_BUTTON(page->checkbtn_filtering_log_manual));
 388         prefs_common.enable_filtering_debug_folder_proc = gtk_toggle_button_get_active(
 389                 GTK_TOGGLE_BUTTON(page->checkbtn_filtering_log_folder_proc));
 390         prefs_common.enable_filtering_debug_pre_proc = gtk_toggle_button_get_active(
 391                 GTK_TOGGLE_BUTTON(page->checkbtn_filtering_log_pre_proc));
 392         prefs_common.enable_filtering_debug_post_proc = gtk_toggle_button_get_active(
 393                 GTK_TOGGLE_BUTTON(page->checkbtn_filtering_log_post_proc));
 394
 395         mainwindow = mainwindow_get_mainwindow();
 396         log_window_set_clipping(mainwindow->logwin, prefs_common.cliplog,
 397                                 prefs_common.loglength);
 398         log_window_set_clipping(mainwindow->filtering_debugwin, prefs_common.filtering_debug_cliplog,
 399                                 prefs_common.filtering_debug_loglength);
 400 }
 401
 402 static void prefs_logging_destroy_widget(PrefsPage *_page)
 403 {
 404 }
 405
 406 LoggingPage *prefs_logging;
 407
 408 void prefs_logging_init(void)
 409 {
 410         LoggingPage *page;
 411         static gchar *path[3];
 412
 413         path[0] = _("Other");
 414         path[1] = _("Logging");
 415         path[2] = NULL;
 416
 417         page = g_new0(LoggingPage, 1);
 418         page->page.path = path;
 419         page->page.create_widget = prefs_logging_create_widget;
 420         page->page.destroy_widget = prefs_logging_destroy_widget;
 421         page->page.save_page = prefs_logging_save;
 422         page->page.weight = 5.0;
 423         prefs_gtk_register_page((PrefsPage *) page);
 424         prefs_logging = page;
 425 }
 426
 427 void prefs_logging_done(void)
 428 {
 429         prefs_gtk_unregister_page((PrefsPage *) prefs_logging);
 430         g_free(prefs_logging);
 431 }