src/prefs_logging.c

   1 /*
   2  * Claws Mail -- a GTK+ based, lightweight, and fast e-mail client
   3  * Copyright (C) 1999-2012 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 #include "claws-features.h"
  24 #endif
  25
  26 #include "defs.h"
  27
  28 #include <stdio.h>
  29 #include <stdlib.h>
  30
  31 #include <glib.h>
  32 #include <glib/gi18n.h>
  33 #include <gtk/gtk.h>
  34
  35 #include "prefs_common.h"
  36 #include "prefs_gtk.h"
  37
  38 #include "gtk/gtkutils.h"
  39 #include "gtk/prefswindow.h"
  40 #include "gtk/menu.h"
  41
  42 #include "manage_window.h"
  43
  44 #include "log.h"
  45 #include "combobox.h"
  46
  47 typedef struct _LoggingPage
  48 {
  49         PrefsPage page;
  50
  51         GtkWidget *window;
  52
  53         GtkWidget *checkbtn_clip_network_log;
  54         GtkWidget *spinbtn_network_log_length;
  55         GtkWidget *checkbtn_log_standard;
  56         GtkWidget *checkbtn_log_warning;
  57         GtkWidget *checkbtn_log_error;
  58         GtkWidget *checkbtn_log_status;
  59         GtkWidget *checkbtn_clip_filtering_log;
  60         GtkWidget *spinbtn_filtering_log_length;
  61         GtkWidget *checkbtn_filtering_log;
  62         GtkWidget *checkbtn_filtering_log_inc;
  63         GtkWidget *checkbtn_filtering_log_manual;
  64         GtkWidget *checkbtn_filtering_log_folder_proc;
  65         GtkWidget *checkbtn_filtering_log_pre_proc;
  66         GtkWidget *checkbtn_filtering_log_post_proc;
  67         GtkWidget *optmenu_filtering_log_level;
  68 } LoggingPage;
  69
  70 static GtkWidget *prefs_logging_create_check_buttons(GtkWidget **checkbtn1,
  71                         gchar *label1, GtkWidget **checkbtn2, gchar *label2)
  72 {
  73         GtkWidget *hbox_checkbtn;
  74
  75         hbox_checkbtn = gtk_hbox_new(FALSE, VBOX_BORDER);
  76         gtk_widget_show(hbox_checkbtn);
  77
  78         PACK_CHECK_BUTTON (hbox_checkbtn, *checkbtn1, label1);
  79         gtk_label_set_line_wrap(GTK_LABEL(gtk_bin_get_child(GTK_BIN((*checkbtn1)))), TRUE);
  80
  81         PACK_CHECK_BUTTON (hbox_checkbtn, *checkbtn2, label2);
  82         gtk_label_set_line_wrap(GTK_LABEL(gtk_bin_get_child(GTK_BIN((*checkbtn2)))), TRUE);
  83
  84         return hbox_checkbtn;
  85 }
  86
  87 static void prefs_logging_create_widget(PrefsPage *_page, GtkWindow *window,
  88                                   gpointer data)
  89 {
  90         LoggingPage *prefs_logging = (LoggingPage *) _page;
  91
  92         GtkWidget *vbox1;
  93
  94         GtkWidget *frame_logging;
  95         GtkWidget *vbox_network_log;
  96         GtkWidget *hbox_clip_network_log;
  97         GtkWidget *checkbtn_clip_network_log;
  98         GtkWidget *spinbtn_network_log_length;
  99         GtkAdjustment *spinbtn_network_log_length_adj;
 100         GtkWidget *hbox_checkbtn;
 101         GtkWidget *vbox1_filtering_log;
 102         GtkWidget *hbox_clip_filtering_log;
 103         GtkWidget *checkbtn_clip_filtering_log;
 104         GtkWidget *spinbtn_filtering_log_length;
 105         GtkAdjustment *spinbtn_filtering_log_length_adj;
 106         GtkWidget *hbox_filtering_log;
 107         GtkWidget *checkbtn_filtering_log;
 108         GtkWidget *frame_filtering_log;
 109         GtkWidget *vbox2_filtering_log;
 110         GtkWidget *checkbtn_filtering_log_inc;
 111         GtkWidget *checkbtn_filtering_log_manual;
 112         GtkWidget *checkbtn_filtering_log_folder_proc;
 113         GtkWidget *checkbtn_filtering_log_pre_proc;
 114         GtkWidget *checkbtn_filtering_log_post_proc;
 115         GtkWidget *hbox_filtering_log_level;
 116         GtkWidget *label_filtering_log_level;
 117         GtkWidget *optmenu_filtering_log_level;
 118         GtkSizeGroup *filter_size_group;
 119         GtkListStore *menu;
 120         GtkTreeIter iter;
 121         GtkWidget *frame_disk_log;
 122         GtkWidget *vbox_disk_log;
 123         GtkWidget *label;
 124         GtkWidget *hbox;
 125         GtkWidget *checkbtn_log_standard;
 126         GtkWidget *checkbtn_log_warning;
 127         GtkWidget *checkbtn_log_error;
 128         GtkWidget *checkbtn_log_status;
 129         GtkSizeGroup *log_size_group;
 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(gtk_adjustment_new (500, 0, G_MAXINT, 1, 10, 0));
 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_spin_button_set_numeric (GTK_SPIN_BUTTON (spinbtn_network_log_length), TRUE);
 152
 153         CLAWS_SET_TIP(spinbtn_network_log_length,
 154                              _("0 to stop logging in the log window"));
 155
 156         label = gtk_label_new(_("lines"));
 157         gtk_widget_show (label);
 158         gtk_box_pack_start(GTK_BOX(hbox_clip_network_log), label, FALSE, FALSE, 0);
 159
 160         SET_TOGGLE_SENSITIVITY(checkbtn_clip_network_log, spinbtn_network_log_length);
 161         SET_TOGGLE_SENSITIVITY(checkbtn_clip_network_log, label);
 162
 163         /* Filtering/processing debug log */
 164         vbox1_filtering_log = gtkut_get_options_frame(vbox1,
 165                                 &frame_logging, _("Filtering/processing log"));
 166
 167         PACK_CHECK_BUTTON (vbox1_filtering_log, checkbtn_filtering_log,
 168                            _("Enable logging of filtering/processing rules"));
 169         hbox_filtering_log = gtk_hbox_new (FALSE, 8);
 170         gtk_container_add (GTK_CONTAINER (vbox1_filtering_log), hbox_filtering_log);
 171         gtk_widget_show (hbox_filtering_log);
 172
 173         CLAWS_SET_TIP(checkbtn_filtering_log,
 174                              _("If checked, turns on logging of filtering and processing rules.\n"
 175                                 "The log is accessible from 'Tools/Filtering log'.\n"
 176                                 "Caution: enabling this option will slow down the filtering/processing, "
 177                                 "this might be critical when applying many rules upon thousands of "
 178                                 "messages."));
 179
 180         vbox2_filtering_log = gtkut_get_options_frame(vbox1_filtering_log, &frame_filtering_log,
 181                                                         _("Log filtering/processing when..."));
 182
 183         hbox_checkbtn = prefs_logging_create_check_buttons(
 184                                                 &checkbtn_filtering_log_inc,
 185                                                 _("filtering at incorporation"),
 186                                                 &checkbtn_filtering_log_pre_proc,
 187                                                 _("pre-processing folders"));
 188         gtk_box_pack_start(GTK_BOX(vbox2_filtering_log), hbox_checkbtn, FALSE, FALSE, 0);
 189
 190         hbox_checkbtn = prefs_logging_create_check_buttons(
 191                                                 &checkbtn_filtering_log_manual,
 192                                                 _("manually filtering"),
 193                                                 &checkbtn_filtering_log_post_proc,
 194                                                 _("post-processing folders"));
 195         gtk_box_pack_start(GTK_BOX(vbox2_filtering_log), hbox_checkbtn, FALSE, FALSE, 0);
 196
 197         hbox_checkbtn = gtk_hbox_new(TRUE, VBOX_BORDER);
 198         gtk_widget_show(hbox_checkbtn);
 199         gtk_box_pack_start(GTK_BOX(vbox2_filtering_log), hbox_checkbtn, FALSE, FALSE, 0);
 200         PACK_CHECK_BUTTON (hbox_checkbtn, checkbtn_filtering_log_folder_proc,
 201                            _("processing folders"));
 202         gtk_box_pack_start(GTK_BOX(hbox_checkbtn), gtk_label_new(""),
 203                            FALSE, TRUE, 0);
 204
 205         filter_size_group = gtk_size_group_new(GTK_SIZE_GROUP_HORIZONTAL);
 206         gtk_size_group_add_widget(filter_size_group, checkbtn_filtering_log_inc);
 207         gtk_size_group_add_widget(filter_size_group, checkbtn_filtering_log_manual);
 208         gtk_size_group_add_widget(filter_size_group, checkbtn_filtering_log_folder_proc);
 209         g_object_unref(G_OBJECT(filter_size_group));
 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(gtk_adjustment_new (500, 0, G_MAXINT, 1, 10, 0));
 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_spin_button_set_numeric (GTK_SPIN_BUTTON (spinbtn_filtering_log_length), TRUE);
 258
 259         CLAWS_SET_TIP(spinbtn_filtering_log_length,
 260                              _("0 to stop logging in the log window"));
 261
 262         label = gtk_label_new(_("lines"));
 263         gtk_widget_show (label);
 264         gtk_box_pack_start(GTK_BOX(hbox_clip_filtering_log), label, FALSE, FALSE, 0);
 265
 266         SET_TOGGLE_SENSITIVITY(checkbtn_clip_filtering_log, spinbtn_filtering_log_length);
 267         SET_TOGGLE_SENSITIVITY(checkbtn_clip_filtering_log, label);
 268         SET_TOGGLE_SENSITIVITY(checkbtn_filtering_log, hbox_clip_filtering_log);
 269         SET_TOGGLE_SENSITIVITY(checkbtn_filtering_log, optmenu_filtering_log_level);
 270         SET_TOGGLE_SENSITIVITY(checkbtn_filtering_log, checkbtn_clip_filtering_log);
 271         SET_TOGGLE_SENSITIVITY(checkbtn_filtering_log, label_filtering_log_level);
 272
 273         /* disk log */
 274         vbox_disk_log = gtkut_get_options_frame(vbox1, &frame_disk_log, _("Disk log"));
 275
 276         label = gtk_label_new(_("Write the following information to disk..."));
 277         gtk_widget_show(label);
 278         hbox = gtk_hbox_new (FALSE, 8);
 279         gtk_container_add (GTK_CONTAINER (vbox_disk_log), hbox);
 280         gtk_box_pack_start(GTK_BOX(hbox), label, FALSE, FALSE, 0);
 281         gtk_widget_show (hbox);
 282
 283         hbox_checkbtn = prefs_logging_create_check_buttons(&checkbtn_log_warning,
 284                                 _("Warning messages"), &checkbtn_log_standard,
 285                                 _("Network protocol messages"));
 286         gtk_box_pack_start(GTK_BOX(vbox_disk_log), hbox_checkbtn, FALSE, FALSE, 0);
 287
 288         hbox_checkbtn = prefs_logging_create_check_buttons(&checkbtn_log_error,
 289                                 _("Error messages"), &checkbtn_log_status,
 290                                 _("Status messages for filtering/processing log"));
 291         gtk_box_pack_start(GTK_BOX(vbox_disk_log), hbox_checkbtn, FALSE, FALSE, 0);
 292
 293         log_size_group = gtk_size_group_new(GTK_SIZE_GROUP_HORIZONTAL);
 294         gtk_size_group_add_widget(log_size_group, checkbtn_log_warning);
 295         gtk_size_group_add_widget(log_size_group, checkbtn_log_error);
 296         g_object_unref(G_OBJECT(log_size_group));
 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         combobox_select_by_data(GTK_COMBO_BOX(optmenu_filtering_log_level),
 328                         prefs_common.filtering_debug_level);
 329
 330         prefs_logging->checkbtn_clip_network_log = checkbtn_clip_network_log;
 331         prefs_logging->spinbtn_network_log_length = spinbtn_network_log_length;
 332         prefs_logging->checkbtn_log_standard = checkbtn_log_standard;
 333         prefs_logging->checkbtn_log_warning = checkbtn_log_warning;
 334         prefs_logging->checkbtn_log_error = checkbtn_log_error;
 335         prefs_logging->checkbtn_log_status = checkbtn_log_status;
 336         prefs_logging->checkbtn_clip_filtering_log = checkbtn_clip_filtering_log;
 337         prefs_logging->spinbtn_filtering_log_length = spinbtn_filtering_log_length;
 338         prefs_logging->checkbtn_filtering_log = checkbtn_filtering_log;
 339         prefs_logging->checkbtn_filtering_log_inc = checkbtn_filtering_log_inc;
 340         prefs_logging->checkbtn_filtering_log_manual = checkbtn_filtering_log_manual;
 341         prefs_logging->checkbtn_filtering_log_folder_proc = checkbtn_filtering_log_folder_proc;
 342         prefs_logging->checkbtn_filtering_log_pre_proc = checkbtn_filtering_log_pre_proc;
 343         prefs_logging->checkbtn_filtering_log_post_proc = checkbtn_filtering_log_post_proc;
 344         prefs_logging->optmenu_filtering_log_level = optmenu_filtering_log_level;
 345         prefs_logging->page.widget = vbox1;
 346 }
 347
 348 static void prefs_logging_save(PrefsPage *_page)
 349 {
 350         LoggingPage *page = (LoggingPage *) _page;
 351         MainWindow *mainwindow;
 352
 353         gboolean filtering_debug_enabled;
 354         prefs_common.filtering_debug_level =
 355                 combobox_get_active_data(GTK_COMBO_BOX(page->optmenu_filtering_log_level));
 356
 357         prefs_common.cliplog = gtk_toggle_button_get_active(
 358                 GTK_TOGGLE_BUTTON(page->checkbtn_clip_network_log));
 359         prefs_common.loglength = gtk_spin_button_get_value_as_int(
 360                 GTK_SPIN_BUTTON(page->spinbtn_network_log_length));
 361         prefs_common.enable_log_standard = gtk_toggle_button_get_active(
 362                 GTK_TOGGLE_BUTTON(page->checkbtn_log_standard));
 363         prefs_common.enable_log_warning = gtk_toggle_button_get_active(
 364                 GTK_TOGGLE_BUTTON(page->checkbtn_log_warning));
 365         prefs_common.enable_log_error = gtk_toggle_button_get_active(
 366                 GTK_TOGGLE_BUTTON(page->checkbtn_log_error));
 367         prefs_common.enable_log_status = gtk_toggle_button_get_active(
 368                 GTK_TOGGLE_BUTTON(page->checkbtn_log_status));
 369         prefs_common.filtering_debug_cliplog = gtk_toggle_button_get_active(
 370                 GTK_TOGGLE_BUTTON(page->checkbtn_clip_filtering_log));
 371         prefs_common.filtering_debug_loglength = gtk_spin_button_get_value_as_int(
 372                 GTK_SPIN_BUTTON(page->spinbtn_filtering_log_length));
 373         filtering_debug_enabled = prefs_common.enable_filtering_debug;
 374         prefs_common.enable_filtering_debug = gtk_toggle_button_get_active(
 375                 GTK_TOGGLE_BUTTON(page->checkbtn_filtering_log));
 376         if (filtering_debug_enabled != prefs_common.enable_filtering_debug) {
 377                 if (prefs_common.enable_filtering_debug)
 378                         log_message(LOG_DEBUG_FILTERING, _("filtering log enabled\n"));
 379                 else
 380                         log_message(LOG_DEBUG_FILTERING, _("filtering log disabled\n"));
 381         }
 382         prefs_common.enable_filtering_debug_inc = gtk_toggle_button_get_active(
 383                 GTK_TOGGLE_BUTTON(page->checkbtn_filtering_log_inc));
 384         prefs_common.enable_filtering_debug_manual = gtk_toggle_button_get_active(
 385                 GTK_TOGGLE_BUTTON(page->checkbtn_filtering_log_manual));
 386         prefs_common.enable_filtering_debug_folder_proc = gtk_toggle_button_get_active(
 387                 GTK_TOGGLE_BUTTON(page->checkbtn_filtering_log_folder_proc));
 388         prefs_common.enable_filtering_debug_pre_proc = gtk_toggle_button_get_active(
 389                 GTK_TOGGLE_BUTTON(page->checkbtn_filtering_log_pre_proc));
 390         prefs_common.enable_filtering_debug_post_proc = gtk_toggle_button_get_active(
 391                 GTK_TOGGLE_BUTTON(page->checkbtn_filtering_log_post_proc));
 392         mainwindow = mainwindow_get_mainwindow();
 393         log_window_set_clipping(mainwindow->logwin, prefs_common.cliplog,
 394                                 prefs_common.loglength);
 395         log_window_set_clipping(mainwindow->filtering_debugwin, prefs_common.filtering_debug_cliplog,
 396                                 prefs_common.filtering_debug_loglength);
 397 }
 398
 399 static void prefs_logging_destroy_widget(PrefsPage *_page)
 400 {
 401 }
 402
 403 LoggingPage *prefs_logging;
 404
 405 void prefs_logging_init(void)
 406 {
 407         LoggingPage *page;
 408         static gchar *path[3];
 409
 410         path[0] = _("Other");
 411         path[1] = _("Logging");
 412         path[2] = NULL;
 413
 414         page = g_new0(LoggingPage, 1);
 415         page->page.path = path;
 416         page->page.create_widget = prefs_logging_create_widget;
 417         page->page.destroy_widget = prefs_logging_destroy_widget;
 418         page->page.save_page = prefs_logging_save;
 419         page->page.weight = 5.0;
 420         prefs_gtk_register_page((PrefsPage *) page);
 421         prefs_logging = page;
 422 }
 423
 424 void prefs_logging_done(void)
 425 {
 426         prefs_gtk_unregister_page((PrefsPage *) prefs_logging);
 427         g_free(prefs_logging);
 428 }