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(*checkbtn1)->child), TRUE);
  79
  80         PACK_CHECK_BUTTON (hbox_checkbtn, *checkbtn2, label2);
  81         gtk_label_set_line_wrap(GTK_LABEL(GTK_BIN(*checkbtn2)->child), 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         GtkTooltips *network_log_length_tooltip;
 100         GtkWidget *vbox1_filtering_log;
 101         GtkWidget *hbox_clip_filtering_log;
 102         GtkWidget *checkbtn_clip_filtering_log;
 103         GtkWidget *spinbtn_filtering_log_length;
 104         GtkObject *spinbtn_filtering_log_length_adj;
 105         GtkTooltips *filtering_log_length_tooltip;
 106         GtkWidget *hbox_filtering_log;
 107         GtkWidget *checkbtn_filtering_log;
 108         GtkWidget *frame_filtering_log;
 109         GtkWidget *vbox2_filtering_log;
 110         GtkWidget *hbox_checkbtn;
 111         GtkWidget *checkbtn_filtering_log_inc;
 112         GtkWidget *checkbtn_filtering_log_manual;
 113         GtkWidget *checkbtn_filtering_log_folder_proc;
 114         GtkWidget *checkbtn_filtering_log_pre_proc;
 115         GtkWidget *checkbtn_filtering_log_post_proc;
 116         GtkTooltips *filtering_log_tooltip;
 117         GtkWidget *hbox_filtering_log_level;
 118         GtkWidget *label_filtering_log_level;
 119         GtkWidget *optmenu_filtering_log_level;
 120         GtkListStore *menu;
 121         GtkTreeIter iter;
 122         GtkTooltips *filtering_log_level_tooltip;
 123         GtkWidget *frame_disc_log;
 124         GtkWidget *vbox_disc_log;
 125         GtkWidget *label;
 126         GtkWidget *hbox;
 127         GtkWidget *checkbtn_log_standard;
 128         GtkWidget *checkbtn_log_warning;
 129         GtkWidget *checkbtn_log_error;
 130         GtkWidget *checkbtn_log_status;
 131
 132         vbox1 = gtk_vbox_new (FALSE, VSPACING);
 133         gtk_widget_show (vbox1);
 134         gtk_container_set_border_width (GTK_CONTAINER (vbox1), VBOX_BORDER);
 135
 136         /* Protocol log */
 137         vbox_network_log = gtkut_get_options_frame(vbox1, &frame_logging, _("Network log"));
 138
 139         hbox_clip_network_log = gtk_hbox_new (FALSE, 8);
 140         gtk_container_add (GTK_CONTAINER (vbox_network_log), hbox_clip_network_log);
 141         gtk_widget_show (hbox_clip_network_log);
 142
 143         PACK_CHECK_BUTTON (hbox_clip_network_log, checkbtn_clip_network_log,
 144                            _("Restrict the log window to"));
 145
 146         network_log_length_tooltip = gtk_tooltips_new();
 147
 148         spinbtn_network_log_length_adj = gtk_adjustment_new (500, 0, G_MAXINT, 1, 10, 10);
 149         spinbtn_network_log_length = gtk_spin_button_new
 150                 (GTK_ADJUSTMENT (spinbtn_network_log_length_adj), 1, 0);
 151         gtk_widget_show (spinbtn_network_log_length);
 152         gtk_box_pack_start (GTK_BOX (hbox_clip_network_log), spinbtn_network_log_length,
 153                             FALSE, FALSE, 0);
 154         gtk_widget_set_size_request (GTK_WIDGET (spinbtn_network_log_length), 64, -1);
 155         gtk_spin_button_set_numeric (GTK_SPIN_BUTTON (spinbtn_network_log_length), TRUE);
 156
 157         gtk_tooltips_set_tip(GTK_TOOLTIPS(network_log_length_tooltip), spinbtn_network_log_length,
 158                              _("0 to stop logging in the log window"),
 159                              NULL);
 160
 161         label = gtk_label_new(_("lines"));
 162         gtk_widget_show (label);
 163         gtk_box_pack_start(GTK_BOX(hbox_clip_network_log), label, FALSE, FALSE, 0);
 164
 165         SET_TOGGLE_SENSITIVITY(checkbtn_clip_network_log, spinbtn_network_log_length);
 166         SET_TOGGLE_SENSITIVITY(checkbtn_clip_network_log, label);
 167
 168         /* Filtering/processing debug log */
 169         vbox1_filtering_log = gtkut_get_options_frame(vbox1,
 170                                 &frame_logging, _("Filtering/processing log"));
 171
 172         PACK_CHECK_BUTTON (vbox1_filtering_log, checkbtn_filtering_log,
 173                            _("Enable logging of filtering/processing rules"));
 174         hbox_filtering_log = gtk_hbox_new (FALSE, 8);
 175         gtk_container_add (GTK_CONTAINER (vbox1_filtering_log), hbox_filtering_log);
 176         gtk_widget_show (hbox_filtering_log);
 177
 178         filtering_log_tooltip = gtk_tooltips_new();
 179         gtk_tooltips_set_tip(GTK_TOOLTIPS(filtering_log_tooltip),
 180                              checkbtn_filtering_log,
 181                              _("If checked, turns on logging of filtering and processing rules.\n"
 182                                 "The log is accessible from 'Tools/Filtering log'.\n"
 183                                 "Caution: enabling this option will slow down the filtering/processing, "
 184                                 "this might be critical when applying many rules upon thousands of "
 185                                 "messages."),
 186                                 NULL);
 187
 188         vbox2_filtering_log = gtkut_get_options_frame(vbox1_filtering_log, &frame_filtering_log,
 189                                                         _("Log filtering/processing when..."));
 190
 191         hbox_checkbtn = prefs_logging_create_check_buttons(
 192                                                 &checkbtn_filtering_log_inc,
 193                                                 _("filtering at incorporation"),
 194                                                 &checkbtn_filtering_log_pre_proc,
 195                                                 _("pre-processing folders"));
 196         gtk_box_pack_start(GTK_BOX(vbox2_filtering_log), hbox_checkbtn, FALSE, FALSE, 0);
 197
 198         hbox_checkbtn = prefs_logging_create_check_buttons(
 199                                                 &checkbtn_filtering_log_manual,
 200                                                 _("manually filtering"),
 201                                                 &checkbtn_filtering_log_post_proc,
 202                                                 _("post-processing folders"));
 203         gtk_box_pack_start(GTK_BOX(vbox2_filtering_log), hbox_checkbtn, FALSE, FALSE, 0);
 204
 205         hbox_checkbtn = gtk_hbox_new(TRUE, VBOX_BORDER);
 206         gtk_widget_show(hbox_checkbtn);
 207         gtk_box_pack_start(GTK_BOX(vbox2_filtering_log), hbox_checkbtn, FALSE, FALSE, 0);
 208         PACK_CHECK_BUTTON (hbox_checkbtn, checkbtn_filtering_log_folder_proc,
 209                            _("processing folders"));
 210         gtk_box_pack_start(GTK_BOX(hbox_checkbtn), gtk_label_new(""),
 211                            FALSE, TRUE, 0);
 212
 213         SET_TOGGLE_SENSITIVITY(checkbtn_filtering_log, frame_filtering_log);
 214
 215         hbox_filtering_log_level = gtk_hbox_new (FALSE, 8);
 216         gtk_widget_show (hbox_filtering_log_level);
 217         gtk_box_pack_start(GTK_BOX (vbox1_filtering_log), hbox_filtering_log_level, FALSE, FALSE, 0);
 218
 219         label_filtering_log_level = gtk_label_new (_("Log level"));
 220         gtk_widget_show (label_filtering_log_level);
 221         gtk_box_pack_start(GTK_BOX(hbox_filtering_log_level), label_filtering_log_level, FALSE, FALSE, 0);
 222
 223         optmenu_filtering_log_level = gtkut_sc_combobox_create(NULL, FALSE);
 224         gtk_widget_show (optmenu_filtering_log_level);
 225
 226         menu = GTK_LIST_STORE(gtk_combo_box_get_model(
 227                                 GTK_COMBO_BOX(optmenu_filtering_log_level)));
 228         COMBOBOX_ADD (menu, _("Low"), 0);
 229         COMBOBOX_ADD (menu, _("Medium"), 1);
 230         COMBOBOX_ADD (menu, _("High"), 2);
 231
 232         gtk_box_pack_start(GTK_BOX(hbox_filtering_log_level), optmenu_filtering_log_level, FALSE, FALSE, 0);
 233
 234         filtering_log_level_tooltip = gtk_tooltips_new();
 235         gtk_tooltips_set_tip(GTK_TOOLTIPS(filtering_log_level_tooltip),
 236                              optmenu_filtering_log_level,
 237                              _("Select the level of detail of the logging.\n"
 238                                 "Choose Low to see when rules are applied, which "
 239                                 "conditions match or don't match and what actions are "
 240                                 "performed.\n"
 241                                 "Choose Medium to see more details about the message "
 242                                 "that is being processed, and why rules are skipped.\n"
 243                                 "Choose High to explicitly show the reason why all "
 244                                 "rules are processed or skipped, and why all conditions "
 245                                 "are matched or not matched.\n"
 246                                 "Caution: the higher the level, the greater the "
 247                                 "impact on performance."),
 248                              NULL);
 249
 250         hbox_clip_filtering_log = gtk_hbox_new (FALSE, 8);
 251         gtk_container_add (GTK_CONTAINER (vbox1_filtering_log), hbox_clip_filtering_log);
 252         gtk_widget_show (hbox_clip_filtering_log);
 253         PACK_CHECK_BUTTON (hbox_clip_filtering_log, checkbtn_clip_filtering_log,
 254                            _("Restrict the log window to"));
 255
 256         filtering_log_length_tooltip = gtk_tooltips_new();
 257
 258         spinbtn_filtering_log_length_adj = gtk_adjustment_new (500, 0, G_MAXINT, 1, 10, 10);
 259         spinbtn_filtering_log_length = gtk_spin_button_new
 260                 (GTK_ADJUSTMENT (spinbtn_filtering_log_length_adj), 1, 0);
 261         gtk_widget_show (spinbtn_filtering_log_length);
 262         gtk_box_pack_start (GTK_BOX (hbox_clip_filtering_log), spinbtn_filtering_log_length,
 263                             FALSE, FALSE, 0);
 264         gtk_widget_set_size_request (GTK_WIDGET (spinbtn_filtering_log_length), 64, -1);
 265         gtk_spin_button_set_numeric (GTK_SPIN_BUTTON (spinbtn_filtering_log_length), TRUE);
 266
 267         gtk_tooltips_set_tip(GTK_TOOLTIPS(filtering_log_length_tooltip), spinbtn_filtering_log_length,
 268                              _("0 to stop logging in the log window"),
 269                              NULL);
 270
 271         label = gtk_label_new(_("lines"));
 272         gtk_widget_show (label);
 273         gtk_box_pack_start(GTK_BOX(hbox_clip_filtering_log), label, FALSE, FALSE, 0);
 274
 275         SET_TOGGLE_SENSITIVITY(checkbtn_clip_filtering_log, spinbtn_filtering_log_length);
 276         SET_TOGGLE_SENSITIVITY(checkbtn_clip_filtering_log, label);
 277         SET_TOGGLE_SENSITIVITY(checkbtn_filtering_log, hbox_clip_filtering_log);
 278         SET_TOGGLE_SENSITIVITY(checkbtn_filtering_log, optmenu_filtering_log_level);
 279         SET_TOGGLE_SENSITIVITY(checkbtn_filtering_log, checkbtn_clip_filtering_log);
 280         SET_TOGGLE_SENSITIVITY(checkbtn_filtering_log, label_filtering_log_level);
 281
 282         /* disk log */
 283         vbox_disc_log = gtkut_get_options_frame(vbox1, &frame_disc_log, _("Disc log"));
 284
 285         label = gtk_label_new(_("Write the following information to disc..."));
 286         gtk_widget_show(label);
 287         hbox = gtk_hbox_new (FALSE, 8);
 288         gtk_container_add (GTK_CONTAINER (vbox_disc_log), hbox);
 289         gtk_box_pack_start(GTK_BOX(hbox), label, FALSE, FALSE, 0);
 290         gtk_widget_show (hbox);
 291
 292         hbox_checkbtn = prefs_logging_create_check_buttons(&checkbtn_log_warning,
 293                                 _("Warning messages"), &checkbtn_log_standard,
 294                                 _("Network protocol messages"));
 295         gtk_box_pack_start(GTK_BOX(vbox_disc_log), hbox_checkbtn, FALSE, FALSE, 0);
 296
 297         hbox_checkbtn = prefs_logging_create_check_buttons(&checkbtn_log_error,
 298                                 _("Error messages"), &checkbtn_log_status,
 299                                 _("Status messages for filtering/processing log"));
 300         gtk_box_pack_start(GTK_BOX(vbox_disc_log), hbox_checkbtn, FALSE, FALSE, 0);
 301
 302         gtk_toggle_button_set_active(GTK_TOGGLE_BUTTON(checkbtn_clip_network_log),
 303                 prefs_common.cliplog);
 304         gtk_toggle_button_set_active(GTK_TOGGLE_BUTTON(checkbtn_clip_filtering_log),
 305                 prefs_common.filtering_debug_cliplog);
 306         gtk_toggle_button_set_active(GTK_TOGGLE_BUTTON(checkbtn_log_standard),
 307                 prefs_common.enable_log_standard);
 308         gtk_toggle_button_set_active(GTK_TOGGLE_BUTTON(checkbtn_log_warning),
 309                 prefs_common.enable_log_warning);
 310         gtk_toggle_button_set_active(GTK_TOGGLE_BUTTON(checkbtn_log_error),
 311                 prefs_common.enable_log_error);
 312         gtk_toggle_button_set_active(GTK_TOGGLE_BUTTON(checkbtn_log_status),
 313                 prefs_common.enable_log_status);
 314         gtk_toggle_button_set_active(GTK_TOGGLE_BUTTON(checkbtn_filtering_log),
 315                 prefs_common.enable_filtering_debug);
 316         gtk_toggle_button_set_active(GTK_TOGGLE_BUTTON(checkbtn_filtering_log_inc),
 317                 prefs_common.enable_filtering_debug_inc);
 318         gtk_toggle_button_set_active(GTK_TOGGLE_BUTTON(checkbtn_filtering_log_manual),
 319                 prefs_common.enable_filtering_debug_manual);
 320         gtk_toggle_button_set_active(GTK_TOGGLE_BUTTON(checkbtn_filtering_log_folder_proc),
 321                 prefs_common.enable_filtering_debug_folder_proc);
 322         gtk_toggle_button_set_active(GTK_TOGGLE_BUTTON(checkbtn_filtering_log_pre_proc),
 323                 prefs_common.enable_filtering_debug_pre_proc);
 324         gtk_toggle_button_set_active(GTK_TOGGLE_BUTTON(checkbtn_filtering_log_post_proc),
 325                 prefs_common.enable_filtering_debug_post_proc);
 326
 327         gtk_spin_button_set_value(GTK_SPIN_BUTTON(spinbtn_network_log_length),
 328                 prefs_common.loglength);
 329         gtk_spin_button_set_value(GTK_SPIN_BUTTON(spinbtn_filtering_log_length),
 330                 prefs_common.filtering_debug_loglength);
 331
 332         combobox_select_by_data(GTK_COMBO_BOX(optmenu_filtering_log_level),
 333                         prefs_common.filtering_debug_level);
 334
 335         prefs_logging->checkbtn_clip_network_log = checkbtn_clip_network_log;
 336         prefs_logging->spinbtn_network_log_length = spinbtn_network_log_length;
 337         prefs_logging->checkbtn_log_standard = checkbtn_log_standard;
 338         prefs_logging->checkbtn_log_warning = checkbtn_log_warning;
 339         prefs_logging->checkbtn_log_error = checkbtn_log_error;
 340         prefs_logging->checkbtn_log_status = checkbtn_log_status;
 341         prefs_logging->checkbtn_clip_filtering_log = checkbtn_clip_filtering_log;
 342         prefs_logging->spinbtn_filtering_log_length = spinbtn_filtering_log_length;
 343         prefs_logging->checkbtn_filtering_log = checkbtn_filtering_log;
 344         prefs_logging->checkbtn_filtering_log_inc = checkbtn_filtering_log_inc;
 345         prefs_logging->checkbtn_filtering_log_manual = checkbtn_filtering_log_manual;
 346         prefs_logging->checkbtn_filtering_log_folder_proc = checkbtn_filtering_log_folder_proc;
 347         prefs_logging->checkbtn_filtering_log_pre_proc = checkbtn_filtering_log_pre_proc;
 348         prefs_logging->checkbtn_filtering_log_post_proc = checkbtn_filtering_log_post_proc;
 349         prefs_logging->optmenu_filtering_log_level = optmenu_filtering_log_level;
 350
 351         prefs_logging->page.widget = vbox1;
 352 }
 353
 354 static void prefs_logging_save(PrefsPage *_page)
 355 {
 356         LoggingPage *page = (LoggingPage *) _page;
 357         MainWindow *mainwindow;
 358         gboolean filtering_debug_enabled;
 359
 360         prefs_common.filtering_debug_level =
 361                 combobox_get_active_data(GTK_COMBO_BOX(page->optmenu_filtering_log_level));
 362
 363         prefs_common.cliplog = gtk_toggle_button_get_active(
 364                 GTK_TOGGLE_BUTTON(page->checkbtn_clip_network_log));
 365         prefs_common.loglength = gtk_spin_button_get_value_as_int(
 366                 GTK_SPIN_BUTTON(page->spinbtn_network_log_length));
 367         prefs_common.enable_log_standard = gtk_toggle_button_get_active(
 368                 GTK_TOGGLE_BUTTON(page->checkbtn_log_standard));
 369         prefs_common.enable_log_warning = gtk_toggle_button_get_active(
 370                 GTK_TOGGLE_BUTTON(page->checkbtn_log_warning));
 371         prefs_common.enable_log_error = gtk_toggle_button_get_active(
 372                 GTK_TOGGLE_BUTTON(page->checkbtn_log_error));
 373         prefs_common.enable_log_status = gtk_toggle_button_get_active(
 374                 GTK_TOGGLE_BUTTON(page->checkbtn_log_status));
 375         prefs_common.filtering_debug_cliplog = gtk_toggle_button_get_active(
 376                 GTK_TOGGLE_BUTTON(page->checkbtn_clip_filtering_log));
 377         prefs_common.filtering_debug_loglength = gtk_spin_button_get_value_as_int(
 378                 GTK_SPIN_BUTTON(page->spinbtn_filtering_log_length));
 379         filtering_debug_enabled = prefs_common.enable_filtering_debug;
 380         prefs_common.enable_filtering_debug = gtk_toggle_button_get_active(
 381                 GTK_TOGGLE_BUTTON(page->checkbtn_filtering_log));
 382         if (filtering_debug_enabled != prefs_common.enable_filtering_debug) {
 383                 if (prefs_common.enable_filtering_debug)
 384                         log_message(LOG_DEBUG_FILTERING, _("filtering log enabled\n"));
 385                 else
 386                         log_message(LOG_DEBUG_FILTERING, _("filtering log disabled\n"));
 387         }
 388         prefs_common.enable_filtering_debug_inc = gtk_toggle_button_get_active(
 389                 GTK_TOGGLE_BUTTON(page->checkbtn_filtering_log_inc));
 390         prefs_common.enable_filtering_debug_manual = gtk_toggle_button_get_active(
 391                 GTK_TOGGLE_BUTTON(page->checkbtn_filtering_log_manual));
 392         prefs_common.enable_filtering_debug_folder_proc = gtk_toggle_button_get_active(
 393                 GTK_TOGGLE_BUTTON(page->checkbtn_filtering_log_folder_proc));
 394         prefs_common.enable_filtering_debug_pre_proc = gtk_toggle_button_get_active(
 395                 GTK_TOGGLE_BUTTON(page->checkbtn_filtering_log_pre_proc));
 396         prefs_common.enable_filtering_debug_post_proc = gtk_toggle_button_get_active(
 397                 GTK_TOGGLE_BUTTON(page->checkbtn_filtering_log_post_proc));
 398
 399         mainwindow = mainwindow_get_mainwindow();
 400         log_window_set_clipping(mainwindow->logwin, prefs_common.cliplog,
 401                                 prefs_common.loglength);
 402         log_window_set_clipping(mainwindow->filtering_debugwin, prefs_common.filtering_debug_cliplog,
 403                                 prefs_common.filtering_debug_loglength);
 404 }
 405
 406 static void prefs_logging_destroy_widget(PrefsPage *_page)
 407 {
 408 }
 409
 410 LoggingPage *prefs_logging;
 411
 412 void prefs_logging_init(void)
 413 {
 414         LoggingPage *page;
 415         static gchar *path[3];
 416
 417         path[0] = _("Other");
 418         path[1] = _("Logging");
 419         path[2] = NULL;
 420
 421         page = g_new0(LoggingPage, 1);
 422         page->page.path = path;
 423         page->page.create_widget = prefs_logging_create_widget;
 424         page->page.destroy_widget = prefs_logging_destroy_widget;
 425         page->page.save_page = prefs_logging_save;
 426         page->page.weight = 5.0;
 427         prefs_gtk_register_page((PrefsPage *) page);
 428         prefs_logging = page;
 429 }
 430
 431 void prefs_logging_done(void)
 432 {
 433         prefs_gtk_unregister_page((PrefsPage *) prefs_logging);
 434         g_free(prefs_logging);
 435 }