Moved from Mate-Extra repository

1 files changed, 1512 insertions, 0 deletions

diff --git a/logview/logview-window.c b/logview/logview-window.c
new file mode 100644
index 00000000..11bb4fbe
--- /dev/null
+++ b/logview/logview-window.c
@@ -0,0 +1,1512 @@
+/* -*- Mode: C; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2; -*- */
+/* logview-window.c - main window of logview
+ *
+ * Copyright (C) 1998  Cesar Miquel  <[email protected]>
+ * Copyright (C) 2008  Cosimo Cecchi <[email protected]>
+ *
+ * This program 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.
+ *
+ * This program 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 this program; if not, write to the Free Software
+ * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ */
+
+#include <config.h>
+#include <stdlib.h>
+#include <string.h>
+#include <gtk/gtk.h>
+#include <gdk/gdkkeysyms.h>
+#include <glib/gi18n.h>
+
+#include "logview-window.h"
+
+#include "logview-loglist.h"
+#include "logview-findbar.h"
+#include "logview-about.h"
+#include "logview-prefs.h"
+#include "logview-manager.h"
+#include "logview-filter-manager.h"
+
+#define APP_NAME _("System Log Viewer")
+#define SEARCH_START_MARK "lw-search-start-mark"
+#define SEARCH_END_MARK "lw-search-end-mark"
+
+struct _LogviewWindowPrivate {
+  GtkUIManager *ui_manager;
+  GtkActionGroup *action_group;
+  GtkActionGroup *filter_action_group;
+
+  GtkWidget *find_bar;
+  GtkWidget *loglist;
+  GtkWidget *sidebar; 
+  GtkWidget *version_bar;
+  GtkWidget *version_selector;
+  GtkWidget *hpaned;
+  GtkWidget *text_view;
+  GtkWidget *statusbar;
+
+  GtkWidget *message_area;
+  GtkWidget *message_primary;
+  GtkWidget *message_secondary;
+
+  GtkTextTagTable *tag_table;
+
+  int original_fontsize, fontsize;
+
+  LogviewPrefs *prefs;
+  LogviewManager *manager;
+
+  gulong monitor_id;
+  guint search_timeout_id;
+
+  guint filter_merge_id;
+  GList *active_filters;
+  gboolean matches_only;
+};
+
+#define GET_PRIVATE(o) \
+  (G_TYPE_INSTANCE_GET_PRIVATE ((o), LOGVIEW_TYPE_WINDOW, LogviewWindowPrivate))
+
+G_DEFINE_TYPE (LogviewWindow, logview_window, GTK_TYPE_WINDOW);
+
+static void findbar_close_cb  (LogviewFindbar *findbar,
+                               gpointer user_data);
+static void read_new_lines_cb (LogviewLog *log,
+                               const char **lines,
+                               GSList *new_days,
+                               GError *error,
+                               gpointer user_data);
+
+/* private functions */
+
+static void
+logview_version_selector_changed (GtkComboBox *version_selector, gpointer user_data)
+{
+
+}
+#if 0
+	LogviewWindow *logview = user_data;
+	Log *log = logview->curlog;
+	int selected;
+
+    g_assert (LOGVIEW_IS_WINDOW (logview));
+
+	selected = gtk_combo_box_get_active (version_selector);
+
+	if (selected == log->current_version)
+		return;
+
+	/* select a new version */
+	if (selected == 0) {
+		logview_select_log (logview, log->parent_log);
+	} else {
+		Log *new;
+		if (log->parent_log) {
+			new = log->parent_log->older_logs[selected];
+		} else {
+			new = log->older_logs[selected];
+		}
+
+		logview_select_log (logview, new);
+	}
+}
+
+#endif
+
+/* private helpers */
+
+static void
+populate_tag_table (GtkTextTagTable *tag_table)
+{
+  GtkTextTag *tag;
+  
+  tag = gtk_text_tag_new ("bold");
+  g_object_set (tag, "weight", PANGO_WEIGHT_BOLD,
+                "weight-set", TRUE, NULL);
+
+  gtk_text_tag_table_add (tag_table, tag);
+
+  tag = gtk_text_tag_new ("invisible");
+  g_object_set (tag, "invisible", TRUE, "invisible-set", TRUE, NULL);
+  gtk_text_tag_table_add (tag_table, tag);
+
+  tag = gtk_text_tag_new ("invisible-filter");
+  g_object_set (tag, "invisible", TRUE, "invisible-set", TRUE, NULL);
+  gtk_text_tag_table_add (tag_table, tag); 
+}
+
+
+static void
+populate_style_tag_table (GtkStyle *style,
+                          GtkTextTagTable *tag_table)
+{
+  GtkTextTag *tag;
+  GdkColor color;
+
+  tag = gtk_text_tag_table_lookup (tag_table, "gray");
+
+  if (tag) {
+    /* FIXME: do we need a way to update the buffer/view? */
+    gtk_text_tag_table_remove (tag_table, tag);
+  }
+
+  tag = gtk_text_tag_new ("gray");
+  color = style->text[GTK_STATE_INSENSITIVE];
+  g_object_set (tag, "foreground-gdk", &color, "foreground-set", TRUE, NULL);
+
+  gtk_text_tag_table_add (tag_table, tag);
+}
+
+static void
+_gtk_text_buffer_apply_tag_to_rectangle (GtkTextBuffer *buffer, int line_start, int line_end,
+                                        int offset_start, int offset_end, char *tag_name)
+{
+  GtkTextIter start, end;
+  int line_cur;
+
+  gtk_text_buffer_get_iter_at_line (buffer, &start, line_start);
+  gtk_text_buffer_get_iter_at_line (buffer, &end, line_start);
+
+  for (line_cur = line_start; line_cur < line_end + 1; line_cur++) {
+
+    if (offset_start > 0) {
+      gtk_text_iter_forward_chars (&start, offset_start);
+    }
+
+    gtk_text_iter_forward_chars (&end, offset_end);
+
+    gtk_text_buffer_apply_tag_by_name (buffer, tag_name, &start, &end);
+
+    gtk_text_iter_forward_line (&start);
+    gtk_text_iter_forward_line (&end);
+  }
+}
+
+static void
+logview_update_statusbar (LogviewWindow *logview, LogviewLog *active)
+{
+  char *statusbar_text;
+  char *size, *modified, *timestring_utf8;
+  time_t timestamp;
+  char timestring[255];
+
+  if (active == NULL) {
+    gtk_statusbar_pop (GTK_STATUSBAR (logview->priv->statusbar), 0);
+    return;
+  }
+
+  timestamp = logview_log_get_timestamp (active);
+  strftime (timestring, sizeof (timestring), "%a %b %e %T %Y", localtime (&timestamp));
+  timestring_utf8 = g_locale_to_utf8 (timestring, -1, NULL, NULL, NULL);
+
+  modified = g_strdup_printf (_("last update: %s"), timestring_utf8);
+
+  size = g_format_size_for_display (logview_log_get_file_size (active));
+  statusbar_text = g_strdup_printf (_("%d lines (%s) - %s"), 
+                                    logview_log_get_cached_lines_number (active),
+                                    size, modified);
+
+  gtk_statusbar_pop (GTK_STATUSBAR (logview->priv->statusbar), 0);
+  gtk_statusbar_push (GTK_STATUSBAR (logview->priv->statusbar), 0, statusbar_text);
+  
+  g_free (size);
+  g_free (timestring_utf8);
+  g_free (modified);
+  g_free (statusbar_text);
+}
+
+#define DEFAULT_LOGVIEW_FONT "Monospace 10"
+
+static void
+logview_set_font (LogviewWindow *logview,
+                  const char    *fontname)
+{
+  PangoFontDescription *font_desc;
+
+  if (fontname == NULL)
+    fontname = DEFAULT_LOGVIEW_FONT;
+
+  font_desc = pango_font_description_from_string (fontname);
+  if (font_desc) {
+    gtk_widget_modify_font (logview->priv->text_view, font_desc);
+    pango_font_description_free (font_desc);
+  }
+}
+
+static void
+logview_set_fontsize (LogviewWindow *logview, gboolean store)
+{
+  PangoFontDescription *fontdesc;
+  PangoContext *context;
+  LogviewWindowPrivate *priv = logview->priv;
+
+  context = gtk_widget_get_pango_context (priv->text_view);
+  fontdesc = pango_context_get_font_description (context);
+  pango_font_description_set_size (fontdesc, (priv->fontsize) * PANGO_SCALE);
+  gtk_widget_modify_font (priv->text_view, fontdesc);
+
+  if (store) {
+    logview_prefs_store_fontsize (logview->priv->prefs, priv->fontsize);
+  }
+}
+
+static void
+logview_set_window_title (LogviewWindow *logview, const char * log_name)
+{
+  char *window_title;
+
+  if (log_name) {
+    window_title = g_strdup_printf ("%s - %s", log_name, APP_NAME);
+  } else {
+    window_title = g_strdup_printf (APP_NAME);
+  }
+
+  gtk_window_set_title (GTK_WINDOW (logview), window_title);
+
+  g_free (window_title);
+}
+
+/* actions callbacks */
+
+static void
+open_file_selected_cb (GtkWidget *chooser, gint response, LogviewWindow *logview)
+{
+  GFile *f;
+  char *file_uri;
+  LogviewLog *log;
+
+  gtk_widget_hide (GTK_WIDGET (chooser));
+  if (response != GTK_RESPONSE_OK) {
+	  return;
+  }
+
+  f = gtk_file_chooser_get_file (GTK_FILE_CHOOSER (chooser));
+  file_uri = g_file_get_uri (f);
+
+  log = logview_manager_get_if_loaded (logview->priv->manager, file_uri);
+
+  g_free (file_uri);
+
+  if (log) {
+    logview_manager_set_active_log (logview->priv->manager, log);
+    g_object_unref (log);
+    goto out;
+  }
+
+  logview_manager_add_log_from_gfile (logview->priv->manager, f, TRUE);
+
+out:
+  g_object_unref (f);
+}
+
+static void
+logview_open_log (GtkAction *action, LogviewWindow *logview)
+{
+  static GtkWidget *chooser = NULL;
+  char *active;
+
+  if (chooser == NULL) {
+    chooser = gtk_file_chooser_dialog_new (_("Open Log"),
+                                           GTK_WINDOW (logview),
+                                           GTK_FILE_CHOOSER_ACTION_OPEN,
+                                           GTK_STOCK_CANCEL, GTK_RESPONSE_CANCEL,
+                                           GTK_STOCK_OPEN, GTK_RESPONSE_OK,
+                                           NULL);
+    gtk_dialog_set_default_response (GTK_DIALOG (chooser), GTK_RESPONSE_OK);
+    gtk_window_set_modal (GTK_WINDOW (chooser), TRUE);
+    g_signal_connect (chooser, "response",
+                      G_CALLBACK (open_file_selected_cb), logview);
+    g_signal_connect (chooser, "destroy",
+                      G_CALLBACK (gtk_widget_destroyed), &chooser);
+    active = logview_prefs_get_active_logfile (logview->priv->prefs);
+    if (active != NULL) {
+      gtk_file_chooser_set_filename (GTK_FILE_CHOOSER (chooser), active);
+      g_free (active);
+    }
+  }
+
+  gtk_window_present (GTK_WINDOW (chooser));
+}
+
+static void
+logview_close_log (GtkAction *action, LogviewWindow *logview)
+{
+  findbar_close_cb (LOGVIEW_FINDBAR (logview->priv->find_bar), logview);
+  logview_manager_close_active_log (logview->priv->manager);
+}
+
+static void
+logview_help (GtkAction *action, GtkWidget *parent_window)
+{
+  GError *error = NULL;
+
+  gtk_show_uri (gtk_widget_get_screen (parent_window),
+                "ghelp:mate-system-log", gtk_get_current_event_time (),
+                &error);
+
+  if (error) {
+    g_warning (_("There was an error displaying help: %s"), error->message);
+    g_error_free (error);
+  }
+}
+
+static void
+logview_bigger_text (GtkAction *action, LogviewWindow *logview)
+{
+  logview->priv->fontsize = MIN (logview->priv->fontsize + 1, 24);
+  logview_set_fontsize (logview, TRUE);
+}	
+
+static void
+logview_smaller_text (GtkAction *action, LogviewWindow *logview)
+{
+  logview->priv->fontsize = MAX (logview->priv->fontsize-1, 6);
+  logview_set_fontsize (logview, TRUE);
+}	
+
+static void
+logview_normal_text (GtkAction *action, LogviewWindow *logview)
+{
+  logview->priv->fontsize = logview->priv->original_fontsize;
+  logview_set_fontsize (logview, TRUE);
+}
+
+static void
+logview_select_all (GtkAction *action, LogviewWindow *logview)
+{
+  GtkTextIter start, end;
+  GtkTextBuffer *buffer;
+
+  buffer = gtk_text_view_get_buffer (GTK_TEXT_VIEW (logview->priv->text_view));
+
+  gtk_text_buffer_get_bounds (buffer, &start, &end);
+  gtk_text_buffer_select_range (buffer, &start, &end);
+
+  gtk_widget_grab_focus (GTK_WIDGET (logview->priv->text_view));
+}
+
+static void
+logview_copy (GtkAction *action, LogviewWindow *logview)
+{
+  GtkTextBuffer *buffer;
+  GtkClipboard *clipboard;
+
+  buffer = gtk_text_view_get_buffer (GTK_TEXT_VIEW (logview->priv->text_view));
+  clipboard = gtk_clipboard_get (GDK_SELECTION_CLIPBOARD);
+
+  gtk_text_buffer_copy_clipboard (buffer, clipboard);
+
+  gtk_widget_grab_focus (GTK_WIDGET (logview->priv->text_view));
+}
+
+static void
+findbar_close_cb (LogviewFindbar *findbar,
+                  gpointer user_data)
+{
+  gtk_widget_hide (GTK_WIDGET (findbar));
+  logview_findbar_set_message (findbar, NULL);
+}
+
+static void
+logview_search_text (LogviewWindow *logview, gboolean forward)
+{
+  GtkTextBuffer *buffer;
+  GtkTextMark *search_start, *search_end;
+  GtkTextIter search, start_m, end_m;
+  const char *text;
+  gboolean res, wrapped;
+
+  wrapped = FALSE;
+
+  text = logview_findbar_get_text (LOGVIEW_FINDBAR (logview->priv->find_bar));
+
+  if (!text || g_strcmp0 (text, "") == 0) {
+    return;
+  }
+
+  buffer = gtk_text_view_get_buffer (GTK_TEXT_VIEW (logview->priv->text_view));
+  search_start = gtk_text_buffer_get_mark (buffer, SEARCH_START_MARK);
+  search_end = gtk_text_buffer_get_mark (buffer, SEARCH_END_MARK);
+
+  if (!search_start) {
+    /* this is our first search on the buffer, create a new search mark */
+    gtk_text_buffer_get_start_iter (buffer, &search);
+    search_start = gtk_text_buffer_create_mark (buffer, SEARCH_START_MARK,
+                                                &search, TRUE);
+    search_end = gtk_text_buffer_create_mark (buffer, SEARCH_END_MARK,
+                                              &search, TRUE);
+  } else {
+    if (forward) {
+      gtk_text_buffer_get_iter_at_mark (buffer, &search, search_end);
+    } else {
+      gtk_text_buffer_get_iter_at_mark (buffer, &search, search_start);
+    }
+  }
+
+wrap:
+
+  if (forward) {
+    res = gtk_text_iter_forward_search (&search, text, GTK_TEXT_SEARCH_VISIBLE_ONLY, &start_m, &end_m, NULL);
+  } else {
+    res = gtk_text_iter_backward_search (&search, text, GTK_TEXT_SEARCH_VISIBLE_ONLY, &start_m, &end_m, NULL);
+  }
+
+  if (res) {
+    gtk_text_buffer_select_range (buffer, &start_m, &end_m);
+    gtk_text_buffer_move_mark (buffer, search_start, &start_m);
+    gtk_text_buffer_move_mark (buffer, search_end, &end_m);
+
+    gtk_text_view_scroll_mark_onscreen (GTK_TEXT_VIEW (logview->priv->text_view), search_end);
+
+    if (wrapped) {
+      logview_findbar_set_message (LOGVIEW_FINDBAR (logview->priv->find_bar), _("Wrapped"));
+    }
+  } else {
+    if (wrapped) {
+      
+      GtkTextMark *mark;
+      GtkTextIter iter;
+
+      if (gtk_text_buffer_get_has_selection (buffer)) {
+        /* unselect */
+        mark = gtk_text_buffer_get_mark (buffer, "insert");
+        gtk_text_buffer_get_iter_at_mark (buffer, &iter, mark);
+        gtk_text_buffer_move_mark_by_name (buffer, "selection_bound", &iter);
+      }
+
+      logview_findbar_set_message (LOGVIEW_FINDBAR (logview->priv->find_bar), _("Not found"));
+    } else {
+      if (forward) {
+        gtk_text_buffer_get_start_iter (buffer, &search);
+      } else {
+        gtk_text_buffer_get_end_iter (buffer, &search);
+      }
+
+      wrapped = TRUE;
+      goto wrap;
+    }
+  }
+}
+
+static void
+findbar_previous_cb (LogviewFindbar *findbar,
+                     gpointer user_data)
+{
+  LogviewWindow *logview = user_data;
+
+  logview_search_text (logview, FALSE);
+}
+
+static void
+findbar_next_cb (LogviewFindbar *findbar,
+                 gpointer user_data)
+{
+  LogviewWindow *logview = user_data;
+
+  logview_search_text (logview, TRUE);
+}
+
+static gboolean
+text_changed_timeout_cb (gpointer user_data)
+{
+  LogviewWindow *logview = user_data;
+  GtkTextMark *search_start, *search_end;
+  GtkTextIter start;
+  GtkTextBuffer *buffer;
+
+  logview->priv->search_timeout_id = 0;
+
+  buffer = gtk_text_view_get_buffer (GTK_TEXT_VIEW (logview->priv->text_view));
+  search_start = gtk_text_buffer_get_mark (buffer, SEARCH_START_MARK);
+  search_end = gtk_text_buffer_get_mark (buffer, SEARCH_END_MARK);
+  
+  if (search_start) {
+    /* reset the search mark to the start */
+    gtk_text_buffer_get_start_iter (buffer, &start);
+    gtk_text_buffer_move_mark (buffer, search_start, &start);
+    gtk_text_buffer_move_mark (buffer, search_end, &start);
+  }
+
+  logview_findbar_set_message (LOGVIEW_FINDBAR (logview->priv->find_bar), NULL);
+
+  logview_search_text (logview, TRUE);
+
+  return FALSE;
+}
+
+static void
+findbar_text_changed_cb (LogviewFindbar *findbar,
+                         gpointer user_data)
+{
+  LogviewWindow *logview = user_data;
+
+  if (logview->priv->search_timeout_id != 0) {
+    g_source_remove (logview->priv->search_timeout_id);
+  }
+
+  logview->priv->search_timeout_id = g_timeout_add (300, text_changed_timeout_cb, logview);
+}
+
+static void
+logview_search (GtkAction *action, LogviewWindow *logview)
+{
+  logview_findbar_open (LOGVIEW_FINDBAR (logview->priv->find_bar));
+}
+
+static void
+filter_buffer (LogviewWindow *logview, gint start_line)
+{
+  GtkTextBuffer *buffer;
+  GtkTextIter start, *end;
+  gchar* text;
+  GList* cur_filter;
+  gboolean matched;
+  int lines, i;
+
+  buffer = gtk_text_view_get_buffer (GTK_TEXT_VIEW (logview->priv->text_view));
+  lines = gtk_text_buffer_get_line_count (buffer);
+
+  for (i = start_line; i < lines; i++) {
+    matched = FALSE;
+
+    gtk_text_buffer_get_iter_at_line (buffer, &start, i);
+    end = gtk_text_iter_copy (&start);
+    gtk_text_iter_forward_line (end);
+
+    text = gtk_text_buffer_get_text (buffer, &start, end, TRUE);
+
+    for (cur_filter = logview->priv->active_filters; cur_filter != NULL;
+         cur_filter = g_list_next (cur_filter))
+    {
+      if (logview_filter_filter (LOGVIEW_FILTER (cur_filter->data), text)) {
+        gtk_text_buffer_apply_tag (buffer, 
+                                   logview_filter_get_tag (LOGVIEW_FILTER (cur_filter->data)),
+                                   &start, end);
+        matched = TRUE;
+      }
+    }
+
+    g_free (text);
+
+    if (!matched && logview->priv->matches_only) {
+      gtk_text_buffer_apply_tag_by_name (buffer, 
+                                         "invisible-filter",
+                                         &start, end);
+    } else {
+      gtk_text_buffer_remove_tag_by_name (buffer,
+                                          "invisible-filter",
+                                          &start, end);
+    }
+
+    gtk_text_iter_free (end);
+  }
+}
+
+static void
+filter_remove (LogviewWindow *logview, LogviewFilter *filter)
+{
+  GtkTextIter start, end;  
+  GtkTextBuffer *buffer;
+
+  buffer = gtk_text_view_get_buffer (GTK_TEXT_VIEW (logview->priv->text_view));
+  gtk_text_buffer_get_bounds (buffer, &start, &end);
+
+  gtk_text_buffer_remove_tag (buffer, logview_filter_get_tag (filter),
+                              &start, &end);
+}
+
+static void
+on_filter_toggled (GtkToggleAction *action, LogviewWindow *logview)
+{
+  LogviewWindowPrivate *priv = GET_PRIVATE (logview);
+  const gchar* name;
+  LogviewFilter *filter;
+
+  name = gtk_action_get_name (GTK_ACTION (action));
+  
+  if (gtk_toggle_action_get_active (action)) {
+    priv->active_filters = g_list_append (priv->active_filters,
+                                          logview_prefs_get_filter (priv->prefs,
+                                                                    name));
+    filter_buffer(logview, 0);
+  } else {
+    filter = logview_prefs_get_filter (priv->prefs, name);
+    priv->active_filters = g_list_remove (priv->active_filters,
+                                          filter);
+
+    filter_remove (logview, filter);
+  }
+}
+
+#define FILTER_PLACEHOLDER "/LogviewMenu/FilterMenu/PlaceholderFilters"
+static void
+update_filter_menu (LogviewWindow *window)
+{
+  LogviewWindowPrivate *priv;
+  GtkUIManager* ui;
+  GList *actions, *l;
+  guint id;
+  GList *filters;
+  GtkTextBuffer *buffer;
+  GtkTextTagTable *table;
+  GtkTextTag *tag;
+  GtkToggleAction *action;
+  gchar* name;
+
+  priv = GET_PRIVATE (window);
+  ui = priv->ui_manager;
+
+  g_return_if_fail (priv->filter_action_group != NULL);
+
+  buffer = gtk_text_view_get_buffer (GTK_TEXT_VIEW (priv->text_view));
+  table = priv->tag_table;
+
+  if (priv->filter_merge_id != 0) {
+    gtk_ui_manager_remove_ui (ui,
+                              priv->filter_merge_id);
+  }
+
+  actions = gtk_action_group_list_actions (priv->filter_action_group);
+
+  for (l = actions; l != NULL; l = g_list_next (l)) {
+    tag = gtk_text_tag_table_lookup (table, gtk_action_get_name (GTK_ACTION (l->data)));
+    gtk_text_tag_table_remove (table, tag);
+
+    g_signal_handlers_disconnect_by_func (GTK_ACTION (l->data),
+                                          G_CALLBACK (on_filter_toggled),
+                                          window);
+    gtk_action_group_remove_action (priv->filter_action_group,
+                                    GTK_ACTION (l->data));
+  }
+
+  g_list_free (actions);
+  
+  filters = logview_prefs_get_filters (logview_prefs_get ());
+
+  id = (g_list_length (filters) > 0) ? gtk_ui_manager_new_merge_id (ui) : 0;
+
+  for (l = filters; l != NULL; l = g_list_next (l)) {
+    g_object_get (l->data, "name", &name, NULL);
+
+    action = gtk_toggle_action_new (name, name, NULL, NULL);
+    gtk_action_group_add_action (priv->filter_action_group,
+                                 GTK_ACTION (action));
+
+    g_signal_connect (action,
+                      "toggled",
+                      G_CALLBACK (on_filter_toggled),
+                      window);
+
+    gtk_ui_manager_add_ui (ui, id, FILTER_PLACEHOLDER,
+                           name, name, GTK_UI_MANAGER_MENUITEM, FALSE);
+    gtk_text_tag_table_add (table, 
+                            logview_filter_get_tag (LOGVIEW_FILTER (l->data)));
+
+    g_object_unref (action);
+    g_free(name);
+  }
+
+  g_list_free (filters);
+
+  priv->filter_merge_id = id;
+}
+
+static void
+on_logview_filter_manager_response (GtkDialog *dialog, 
+                                    gint response,
+                                    LogviewWindow *logview)
+{
+  update_filter_menu (logview);
+
+  g_list_free (logview->priv->active_filters);
+  logview->priv->active_filters = NULL;
+}
+
+static void
+logview_manage_filters (GtkAction *action, LogviewWindow *logview)
+{
+  GtkWidget *manager;
+
+  manager = logview_filter_manager_new ();
+
+  g_signal_connect (manager, "response", 
+                    G_CALLBACK (on_logview_filter_manager_response),
+                    logview);
+  
+  gtk_window_set_transient_for (GTK_WINDOW (manager),
+                                GTK_WINDOW (logview));
+  gtk_widget_show (GTK_WIDGET (manager));
+}
+
+static void
+logview_about (GtkWidget *widget, GtkWidget *window)
+{
+  g_return_if_fail (GTK_IS_WINDOW (window));
+
+  char *license_trans = g_strjoin ("\n\n", _(logview_about_license[0]),
+                                   _(logview_about_license[1]),
+                                   _(logview_about_license[2]), NULL);
+
+  gtk_show_about_dialog (GTK_WINDOW (window),
+                         "name",  _("System Log Viewer"),
+                         "version", VERSION,
+                         "copyright", "Copyright \xc2\xa9 1998-2008 Free Software Foundation, Inc.",
+                         "license", license_trans,
+                         "wrap-license", TRUE,
+                         "comments", _("A system log viewer for MATE."),
+                         "authors", logview_about_authors,
+                         "documenters", logview_about_documenters,
+                         "translator_credits", strcmp (logview_about_translator_credits,
+                                                       "translator-credits") != 0 ?
+                                               logview_about_translator_credits : NULL,
+                         "logo_icon_name", "logviewer",
+                         NULL);
+  g_free (license_trans);
+
+  return;
+}
+
+static void
+logview_toggle_statusbar (GtkAction *action, LogviewWindow *logview)
+{
+  if (gtk_widget_get_visible (logview->priv->statusbar))
+    gtk_widget_hide (logview->priv->statusbar);
+  else
+    gtk_widget_show (logview->priv->statusbar);
+}
+
+static void
+logview_toggle_sidebar (GtkAction *action, LogviewWindow *logview)
+{
+  if (gtk_widget_get_visible (logview->priv->sidebar))
+    gtk_widget_hide (logview->priv->sidebar);
+  else
+    gtk_widget_show (logview->priv->sidebar);
+}
+
+static void
+logview_toggle_match_filters (GtkToggleAction *action, LogviewWindow *logview)
+{
+  logview->priv->matches_only = gtk_toggle_action_get_active (action);
+  filter_buffer (logview, 0);
+}
+
+/* GObject functions */
+
+/* Menus */
+
+static GtkActionEntry entries[] = {
+    { "FileMenu", NULL, N_("_File"), NULL, NULL, NULL },
+    { "EditMenu", NULL, N_("_Edit"), NULL, NULL, NULL },
+    { "ViewMenu", NULL, N_("_View"), NULL, NULL, NULL },
+    { "FilterMenu", NULL, N_("_Filters"), NULL, NULL, NULL },  
+    { "HelpMenu", NULL, N_("_Help"), NULL, NULL, NULL },
+
+    { "OpenLog", GTK_STOCK_OPEN, N_("_Open..."), "<control>O", N_("Open a log from file"), 
+      G_CALLBACK (logview_open_log) },
+    { "CloseLog", GTK_STOCK_CLOSE, N_("_Close"), "<control>W", N_("Close this log"), 
+      G_CALLBACK (logview_close_log) },
+    { "Quit", GTK_STOCK_QUIT, N_("_Quit"), "<control>Q", N_("Quit the log viewer"), 
+      G_CALLBACK (gtk_main_quit) },
+
+    { "Copy", GTK_STOCK_COPY, N_("_Copy"), "<control>C", N_("Copy the selection"),
+      G_CALLBACK (logview_copy) },
+    { "SelectAll", NULL, N_("Select _All"), "<Control>A", N_("Select the entire log"),
+      G_CALLBACK (logview_select_all) },
+    { "Search", GTK_STOCK_FIND, N_("_Find..."), "<control>F", N_("Find a word or phrase in the log"),
+      G_CALLBACK (logview_search) },
+
+    { "ViewZoomIn", GTK_STOCK_ZOOM_IN, NULL, "<control>plus", N_("Bigger text size"),
+      G_CALLBACK (logview_bigger_text)},
+    { "ViewZoomOut", GTK_STOCK_ZOOM_OUT, NULL, "<control>minus", N_("Smaller text size"),
+      G_CALLBACK (logview_smaller_text)},
+    { "ViewZoom100", GTK_STOCK_ZOOM_100, NULL, "<control>0", N_("Normal text size"),
+      G_CALLBACK (logview_normal_text)},
+
+    { "FilterManage", NULL, N_("Manage Filters"), NULL, N_("Manage filters"),
+      G_CALLBACK (logview_manage_filters)},
+  
+    { "HelpContents", GTK_STOCK_HELP, N_("_Contents"), "F1", N_("Open the help contents for the log viewer"), 
+      G_CALLBACK (logview_help) },
+    { "AboutAction", GTK_STOCK_ABOUT, N_("_About"), NULL, N_("Show the about dialog for the log viewer"), 
+      G_CALLBACK (logview_about) },
+};
+
+static GtkToggleActionEntry toggle_entries[] = {
+    { "ShowStatusBar", NULL, N_("_Statusbar"), NULL, N_("Show Status Bar"),
+      G_CALLBACK (logview_toggle_statusbar), TRUE },
+    { "ShowSidebar", NULL, N_("Side _Pane"), "F9", N_("Show Side Pane"), 
+      G_CALLBACK (logview_toggle_sidebar), TRUE }, 
+    { "FilterMatchOnly", NULL, N_("Show matches only"), NULL, N_("Only show lines that match one of the given filters"),
+      G_CALLBACK (logview_toggle_match_filters), FALSE}
+};
+
+static gboolean 
+window_size_changed_cb (GtkWidget *widget, GdkEventConfigure *event, 
+                        gpointer data)
+{
+  LogviewWindow *window = data;
+
+  logview_prefs_store_window_size (window->priv->prefs,
+                                   event->width, event->height);
+
+  return FALSE;
+}
+
+static void
+real_select_day (LogviewWindow *logview,
+                 GDate *date, int first_line, int last_line)
+{
+  GtkTextBuffer *buffer;
+  GtkTextIter start_iter, end_iter, start_vis, end_vis;
+  GdkRectangle visible_rect;
+
+  buffer = gtk_text_view_get_buffer (GTK_TEXT_VIEW (logview->priv->text_view));
+
+  gtk_text_buffer_get_bounds (buffer, &start_iter, &end_iter);
+  gtk_text_buffer_get_iter_at_line (buffer, &start_vis, first_line);
+  gtk_text_buffer_get_iter_at_line (buffer, &end_vis, last_line + 1);
+
+  /* clear all previous invisible tags */
+  gtk_text_buffer_remove_tag_by_name (buffer, "invisible",
+                                      &start_iter, &end_iter);
+
+  gtk_text_buffer_apply_tag_by_name (buffer, "invisible",
+                                     &start_iter, &start_vis);
+  gtk_text_buffer_apply_tag_by_name (buffer, "invisible",
+                                     &end_vis, &end_iter);
+
+  /* FIXME: why is this needed to update the view when selecting a day back? */
+  gtk_text_view_get_visible_rect (GTK_TEXT_VIEW (logview->priv->text_view),
+                                  &visible_rect);
+  gdk_window_invalidate_rect (gtk_widget_get_window (logview->priv->text_view),
+                              &visible_rect, TRUE);
+}
+
+static void
+loglist_day_selected_cb (LogviewLoglist *loglist,
+                         Day *day,
+                         gpointer user_data)
+{
+  LogviewWindow *logview = user_data;
+
+  real_select_day (logview, day->date, day->first_line, day->last_line);
+}
+
+static void
+loglist_day_cleared_cb (LogviewLoglist *loglist,
+                        gpointer user_data)
+{
+  LogviewWindow *logview = user_data;
+  GtkTextBuffer *buffer;
+  GtkTextIter start, end;
+
+  buffer = gtk_text_view_get_buffer (GTK_TEXT_VIEW (logview->priv->text_view));
+  gtk_text_buffer_get_bounds (buffer, &start, &end);
+
+  /* clear all previous invisible tags */
+  gtk_text_buffer_remove_tag_by_name (buffer, "invisible",
+                                      &start, &end);
+}
+
+static void
+log_monitor_changed_cb (LogviewLog *log,
+                        gpointer user_data)
+{
+  /* reschedule a read */
+  logview_log_read_new_lines (log, (LogviewNewLinesCallback) read_new_lines_cb,
+                              user_data);
+}
+
+static void
+paint_timestamps (GtkTextBuffer *buffer, int old_line_count,
+                  GSList *days)
+{
+  GSList *l;
+
+  for (l = days; l; l = l->next) {
+    Day *day = l->data;
+
+    _gtk_text_buffer_apply_tag_to_rectangle (buffer,
+                                             old_line_count + day->first_line - 1,
+                                             old_line_count + day->last_line,
+                                             0, day->timestamp_len, "gray");
+  }
+}
+
+static void
+read_new_lines_cb (LogviewLog *log,
+                   const char **lines,
+                   GSList *new_days,
+                   GError *error,
+                   gpointer user_data)
+{
+  LogviewWindow *window = user_data;
+  GtkTextBuffer *buffer;
+  gboolean boldify = FALSE;
+  int i, old_line_count, filter_start_line;
+  GtkTextIter iter, start;
+  GtkTextMark *mark;
+  char *converted, *primary;
+  gsize len;
+
+  if (error != NULL) {
+    primary = g_strdup_printf (_("Can't read from \"%s\""),
+                               logview_log_get_display_name (log));
+    logview_window_add_error (window, primary, error->message);
+    g_free (primary);
+
+    return;
+  }
+
+  if (lines == NULL) {
+    /* there's no error, but no lines have been read */
+    return;
+  }
+
+  buffer = gtk_text_view_get_buffer (GTK_TEXT_VIEW (window->priv->text_view));
+  old_line_count = gtk_text_buffer_get_line_count (buffer);
+  filter_start_line = old_line_count > 0 ? (old_line_count - 1) : 0;
+
+  if (gtk_text_buffer_get_char_count (buffer) != 0) {
+    boldify = TRUE;
+  }
+
+  gtk_text_buffer_get_end_iter (buffer, &iter);
+
+  if (boldify) {
+    mark = gtk_text_buffer_create_mark (buffer, NULL, &iter, TRUE);
+  }
+
+  for (i = 0; lines[i]; i++) {
+    len = strlen (lines[i]);
+
+    if (!g_utf8_validate (lines[i], len, NULL)) {
+      converted = g_locale_to_utf8 (lines[i], (gssize) len, NULL, &len, NULL);
+      gtk_text_buffer_insert (buffer, &iter, lines[i], len);
+    } else {
+      gtk_text_buffer_insert (buffer, &iter, lines[i], strlen (lines[i]));
+    }
+
+    gtk_text_iter_forward_to_end (&iter);
+    gtk_text_buffer_insert (buffer, &iter, "\n", 1);
+    gtk_text_iter_forward_char (&iter);
+  }
+
+  if (boldify) {
+    gtk_text_buffer_get_iter_at_mark (buffer, &start, mark);
+    gtk_text_buffer_apply_tag_by_name (buffer, "bold", &start, &iter);
+    gtk_text_buffer_delete_mark (buffer, mark);
+  }
+  filter_buffer (window, filter_start_line);
+
+  gtk_text_view_scroll_to_iter (GTK_TEXT_VIEW (window->priv->text_view),
+                                &iter, 0.0, FALSE, 0.0, 0.0);
+
+  paint_timestamps (buffer, old_line_count, new_days);
+
+  if (window->priv->monitor_id == 0) {
+    window->priv->monitor_id = g_signal_connect (log, "log-changed",
+                                                 G_CALLBACK (log_monitor_changed_cb), window);
+  }
+
+  logview_update_statusbar (window, log);
+  logview_loglist_update_lines (LOGVIEW_LOGLIST (window->priv->loglist), log);
+}
+
+static void
+active_log_changed_cb (LogviewManager *manager,
+                       LogviewLog *log,
+                       LogviewLog *old_log,
+                       gpointer data)
+{
+  LogviewWindow *window = data;
+  const char **lines;
+  GtkTextBuffer *buffer;
+
+  findbar_close_cb (LOGVIEW_FINDBAR (window->priv->find_bar),
+                    window);
+
+  logview_set_window_title (window, logview_log_get_display_name (log));
+
+  if (window->priv->monitor_id) {
+    g_signal_handler_disconnect (old_log, window->priv->monitor_id);
+    window->priv->monitor_id = 0;
+  }
+
+  lines = logview_log_get_cached_lines (log);
+  buffer = gtk_text_buffer_new (window->priv->tag_table);
+
+  if (lines != NULL) {
+    int i;
+    GtkTextIter iter;
+
+    /* update the text view to show the current lines */
+    gtk_text_buffer_get_end_iter (buffer, &iter);
+
+    for (i = 0; lines[i]; i++) {
+      gtk_text_buffer_insert (buffer, &iter, lines[i], strlen (lines[i]));
+      gtk_text_iter_forward_to_end (&iter);
+      gtk_text_buffer_insert (buffer, &iter, "\n", 1);
+      gtk_text_iter_forward_char (&iter);
+    }
+
+    paint_timestamps (buffer, 1, logview_log_get_days_for_cached_lines (log));
+  }
+
+  if (lines == NULL || logview_log_has_new_lines (log)) {
+    /* read the new lines */
+    logview_log_read_new_lines (log, (LogviewNewLinesCallback) read_new_lines_cb, window);
+  } else {
+    /* start now monitoring the log for changes */
+    window->priv->monitor_id = g_signal_connect (log, "log-changed",
+                                                 G_CALLBACK (log_monitor_changed_cb), window);
+  }
+
+  /* we set the buffer to the view anyway;
+   * if there are no lines it will be empty for the duration of the thread
+   * and will help us to distinguish the two cases of the following if
+   * cause in the callback.
+   */
+  gtk_text_view_set_buffer (GTK_TEXT_VIEW (window->priv->text_view), buffer);
+  g_object_unref (buffer);
+}
+
+static void
+font_changed_cb (LogviewPrefs *prefs,
+                 const char *font_name,
+                 gpointer user_data)
+{
+  LogviewWindow *window = user_data;
+
+  logview_set_font (window, font_name);
+}
+
+static void
+tearoff_changed_cb (LogviewPrefs *prefs,
+                    gboolean have_tearoffs,
+                    gpointer user_data)
+{
+  LogviewWindow *window = user_data;
+
+  gtk_ui_manager_set_add_tearoffs (window->priv->ui_manager, have_tearoffs);
+}
+
+static void
+style_set_cb (GtkWidget *widget,
+              GtkStyle *prev,
+              gpointer user_data)
+{
+  LogviewWindow *logview = user_data;
+  GtkStyle *style = gtk_widget_get_style (widget);
+
+  populate_style_tag_table (style, logview->priv->tag_table);
+}
+
+static const struct {
+  guint keyval;
+  GdkModifierType modifier;
+  const gchar *action;
+} extra_keybindings [] = {
+  { GDK_KP_Add,      GDK_CONTROL_MASK, "ViewZoomIn" },
+  { GDK_KP_Subtract, GDK_CONTROL_MASK, "ViewZoomOut" },
+  { GDK_KP_0,        GDK_CONTROL_MASK, "ViewZoom100" }
+};
+
+static gboolean
+key_press_event_cb (GtkWidget *widget,
+                    GdkEventKey *event,
+                    gpointer user_data)
+{
+  LogviewWindow *window = user_data;
+  guint modifier = event->state & gtk_accelerator_get_default_mod_mask ();
+  GtkAction *action;
+  int i;
+
+  /* handle accelerators that we want bound, but aren't associated with
+   * an action */
+  for (i = 0; i < G_N_ELEMENTS (extra_keybindings); i++) {
+    if (event->keyval == extra_keybindings[i].keyval &&
+        modifier == extra_keybindings[i].modifier) {
+
+      action = gtk_action_group_get_action (window->priv->action_group,
+                                            extra_keybindings[i].action);
+      gtk_action_activate (action);
+      return TRUE;
+    }
+  }
+
+  return FALSE;
+}
+
+/* adapted from GEdit */
+
+static void
+message_area_create_error_box (LogviewWindow *window,
+                               GtkWidget *message_area)
+{
+  GtkWidget *hbox_content;
+  GtkWidget *image;
+  GtkWidget *vbox;
+  GtkWidget *primary_label;
+  GtkWidget *secondary_label;
+  
+  hbox_content = gtk_hbox_new (FALSE, 8);
+  gtk_widget_show (hbox_content);
+
+  image = gtk_image_new_from_stock (GTK_STOCK_DIALOG_ERROR,
+                                    GTK_ICON_SIZE_DIALOG);
+  gtk_widget_show (image);
+  gtk_box_pack_start (GTK_BOX (hbox_content), image, FALSE, FALSE, 0);
+  gtk_misc_set_alignment (GTK_MISC (image), 0.5, 0);
+
+  vbox = gtk_vbox_new (FALSE, 6);
+  gtk_widget_show (vbox);
+  gtk_box_pack_start (GTK_BOX (hbox_content), vbox, TRUE, TRUE, 0);
+
+  primary_label = gtk_label_new (NULL);
+  gtk_widget_show (primary_label);
+  gtk_box_pack_start (GTK_BOX (vbox), primary_label, TRUE, TRUE, 0);
+  gtk_label_set_use_markup (GTK_LABEL (primary_label), TRUE);
+  gtk_label_set_line_wrap (GTK_LABEL (primary_label), TRUE);
+  gtk_misc_set_alignment (GTK_MISC (primary_label), 0, 0.5);
+  gtk_widget_set_can_focus (primary_label, TRUE);
+  gtk_label_set_selectable (GTK_LABEL (primary_label), TRUE);
+
+  window->priv->message_primary = primary_label;
+
+  secondary_label = gtk_label_new (NULL);
+  gtk_widget_show (secondary_label);
+  gtk_box_pack_start (GTK_BOX (vbox), secondary_label, TRUE, TRUE, 0);
+  gtk_widget_set_can_focus (secondary_label, TRUE);
+  gtk_label_set_use_markup (GTK_LABEL (secondary_label), TRUE);
+  gtk_label_set_line_wrap (GTK_LABEL (secondary_label), TRUE);
+  gtk_label_set_selectable (GTK_LABEL (secondary_label), TRUE);
+  gtk_misc_set_alignment (GTK_MISC (secondary_label), 0, 0.5);
+
+  window->priv->message_secondary = secondary_label;
+
+  gtk_container_add
+      (GTK_CONTAINER (gtk_info_bar_get_content_area
+                      (GTK_INFO_BAR (message_area))),
+       hbox_content);
+}
+
+static void
+message_area_set_labels (LogviewWindow *window,
+                         const char *primary,
+                         const char *secondary)
+{
+  char *primary_markup, *secondary_markup;
+
+  primary_markup = g_markup_printf_escaped ("<b>%s</b>", primary);
+  secondary_markup = g_markup_printf_escaped ("<small>%s</small>",
+                                              secondary);
+
+  gtk_label_set_markup (GTK_LABEL (window->priv->message_primary),
+                        primary_markup);
+  gtk_label_set_markup (GTK_LABEL (window->priv->message_secondary),
+                        secondary_markup);
+
+  g_free (primary_markup);
+  g_free (secondary_markup);
+}
+
+static void
+message_area_response_cb (GtkInfoBar *message_area,
+                          int response_id, gpointer user_data)
+{
+  gtk_widget_hide (GTK_WIDGET (message_area));
+
+  g_signal_handlers_disconnect_by_func (message_area,
+                                        message_area_response_cb,
+                                        user_data);
+}
+
+static void
+logview_window_finalize (GObject *object)
+{
+  LogviewWindow *logview = LOGVIEW_WINDOW (object);
+
+  g_object_unref (logview->priv->ui_manager);
+  G_OBJECT_CLASS (logview_window_parent_class)->finalize (object);
+}
+
+static void
+logview_window_init (LogviewWindow *logview)
+{
+  GtkActionGroup *action_group;
+  GtkAccelGroup *accel_group;
+  GError *error = NULL;
+  GtkWidget *hpaned, *main_view, *vbox, *w;
+  PangoContext *context;
+  PangoFontDescription *fontdesc;
+  gchar *monospace_font_name;
+  LogviewWindowPrivate *priv;
+  int width, height;
+  gboolean res;
+
+  priv = logview->priv = GET_PRIVATE (logview);
+  priv->prefs = logview_prefs_get ();
+  priv->manager = logview_manager_get ();
+  priv->monitor_id = 0;
+
+  logview_prefs_get_stored_window_size (priv->prefs, &width, &height);
+  gtk_window_set_default_size (GTK_WINDOW (logview), width, height);
+
+  vbox = gtk_vbox_new (FALSE, 0);
+  gtk_container_add (GTK_CONTAINER (logview), vbox);
+
+  /* create menus */
+  action_group = gtk_action_group_new ("LogviewMenuActions");
+  gtk_action_group_set_translation_domain (action_group, NULL);
+  gtk_action_group_add_actions (action_group, entries, G_N_ELEMENTS (entries), logview);
+  gtk_action_group_add_toggle_actions (action_group, toggle_entries, G_N_ELEMENTS (toggle_entries), logview);
+  priv->action_group = action_group;
+
+  priv->ui_manager = gtk_ui_manager_new ();
+
+  gtk_ui_manager_insert_action_group (priv->ui_manager, action_group, 0);
+  accel_group = gtk_ui_manager_get_accel_group (priv->ui_manager);
+  gtk_window_add_accel_group (GTK_WINDOW (logview), accel_group);
+
+  res = gtk_ui_manager_add_ui_from_file (priv->ui_manager,
+                                         LOGVIEW_DATADIR "/logview-toolbar.xml",
+                                         &error);
+
+  if (res == FALSE) {
+    priv->ui_manager = NULL;
+    g_critical ("Can't load the UI description: %s", error->message);
+    g_error_free (error);
+    return;
+  }
+
+  gtk_ui_manager_set_add_tearoffs (priv->ui_manager,
+                                   logview_prefs_get_have_tearoff (priv->prefs));
+
+  w = gtk_ui_manager_get_widget (priv->ui_manager, "/LogviewMenu");
+  gtk_box_pack_start (GTK_BOX (vbox), w, FALSE, FALSE, 0);
+  gtk_widget_show (w);
+  
+  /* panes */
+  hpaned = gtk_hpaned_new ();
+  gtk_box_pack_start (GTK_BOX (vbox), hpaned, TRUE, TRUE, 0);
+  priv->hpaned = hpaned;
+  gtk_widget_show (hpaned);
+
+  /* first pane : sidebar (list of logs) */
+  priv->sidebar = gtk_vbox_new (FALSE, 0);
+  gtk_widget_show (priv->sidebar);
+
+  /* first pane: log list */
+  w = gtk_scrolled_window_new (NULL, NULL);
+  gtk_scrolled_window_set_policy (GTK_SCROLLED_WINDOW (w),
+                                  GTK_POLICY_NEVER, GTK_POLICY_AUTOMATIC);
+  gtk_scrolled_window_set_shadow_type (GTK_SCROLLED_WINDOW (w),
+                                       GTK_SHADOW_ETCHED_IN);
+
+  priv->loglist = logview_loglist_new ();
+  gtk_container_add (GTK_CONTAINER (w), priv->loglist);
+  gtk_box_pack_start (GTK_BOX (priv->sidebar), w, TRUE, TRUE, 0);
+  gtk_paned_pack1 (GTK_PANED (hpaned), priv->sidebar, FALSE, FALSE);
+  gtk_widget_show (w);
+  gtk_widget_show (priv->loglist);
+
+  g_signal_connect (priv->loglist, "day_selected",
+                    G_CALLBACK (loglist_day_selected_cb), logview);
+  g_signal_connect (priv->loglist, "day_cleared",
+                    G_CALLBACK (loglist_day_cleared_cb), logview);
+
+  /* second pane: log */
+  main_view = gtk_vbox_new (FALSE, 0);
+  gtk_paned_pack2 (GTK_PANED (hpaned), main_view, TRUE, TRUE);
+
+  /* second pane: error message area */
+  priv->message_area = gtk_info_bar_new ();
+  message_area_create_error_box (logview, priv->message_area);
+  gtk_info_bar_add_button (GTK_INFO_BAR (priv->message_area),
+                           GTK_STOCK_CLOSE, GTK_RESPONSE_CLOSE);
+  gtk_box_pack_start (GTK_BOX (main_view), priv->message_area, FALSE, FALSE, 0);
+
+  /* second pane: text view */
+  w = gtk_scrolled_window_new (NULL, NULL);
+  gtk_scrolled_window_set_policy (GTK_SCROLLED_WINDOW (w),
+                                  GTK_POLICY_AUTOMATIC, GTK_POLICY_AUTOMATIC);
+  gtk_scrolled_window_set_shadow_type (GTK_SCROLLED_WINDOW (w), GTK_SHADOW_IN);
+  gtk_box_pack_start (GTK_BOX (main_view), w, TRUE, TRUE, 0);
+  gtk_widget_show (w);
+
+  priv->tag_table = gtk_text_tag_table_new ();
+  populate_tag_table (priv->tag_table);
+  priv->text_view = gtk_text_view_new ();
+  g_object_set (priv->text_view, "editable", FALSE, NULL);
+
+  gtk_container_add (GTK_CONTAINER (w), priv->text_view);
+  gtk_widget_show (priv->text_view);
+
+  /* use the desktop monospace font */
+  monospace_font_name = logview_prefs_get_monospace_font_name (priv->prefs);
+  logview_set_font (logview, monospace_font_name);
+  g_free (monospace_font_name);
+
+  /* remember the original font size */
+  context = gtk_widget_get_pango_context (priv->text_view);
+  fontdesc = pango_context_get_font_description (context);
+  priv->original_fontsize = pango_font_description_get_size (fontdesc) / PANGO_SCALE;
+
+  /* restore saved zoom */
+  priv->fontsize = logview_prefs_get_stored_fontsize (priv->prefs);
+
+  if (priv->fontsize <= 0) {
+    /* restore the default */
+    logview_normal_text (NULL, logview);
+  } else {
+    logview_set_fontsize (logview, FALSE);
+  }
+
+  /* version selector */
+  priv->version_bar = gtk_hbox_new (FALSE, 0);
+  gtk_container_set_border_width (GTK_CONTAINER (priv->version_bar), 3);
+  priv->version_selector = gtk_combo_box_new_text ();
+  g_signal_connect (priv->version_selector, "changed",
+                    G_CALLBACK (logview_version_selector_changed), logview);
+  w = gtk_label_new (_("Version: "));
+
+  gtk_box_pack_end (GTK_BOX (priv->version_bar), priv->version_selector, FALSE, FALSE, 0);
+  gtk_box_pack_end (GTK_BOX (priv->version_bar), w, FALSE, FALSE, 0);
+  gtk_box_pack_end (GTK_BOX (main_view), priv->version_bar, FALSE, FALSE, 0);
+
+  priv->find_bar = logview_findbar_new ();
+  gtk_box_pack_end (GTK_BOX (main_view), priv->find_bar, FALSE, FALSE, 0);
+
+  g_signal_connect (priv->find_bar, "previous",
+                    G_CALLBACK (findbar_previous_cb), logview);
+  g_signal_connect (priv->find_bar, "next",
+                    G_CALLBACK (findbar_next_cb), logview);
+  g_signal_connect (priv->find_bar, "text_changed",
+                    G_CALLBACK (findbar_text_changed_cb), logview);
+  g_signal_connect (priv->find_bar, "close",
+                    G_CALLBACK (findbar_close_cb), logview);
+
+  /* signal handlers
+   * - first is used to remember/restore the window size on quit.
+   */
+  g_signal_connect (logview, "configure_event",
+                    G_CALLBACK (window_size_changed_cb), logview);
+  g_signal_connect (priv->prefs, "system-font-changed",
+                    G_CALLBACK (font_changed_cb), logview);
+  g_signal_connect (priv->prefs, "have-tearoff-changed",
+                    G_CALLBACK (tearoff_changed_cb), logview);
+  g_signal_connect (priv->manager, "active-changed",
+                    G_CALLBACK (active_log_changed_cb), logview);
+  g_signal_connect (logview, "style-set",
+                    G_CALLBACK (style_set_cb), logview);
+  g_signal_connect (logview, "key-press-event",
+                    G_CALLBACK (key_press_event_cb), logview);
+
+  /* status area at bottom */
+  priv->statusbar = gtk_statusbar_new ();
+  gtk_box_pack_start (GTK_BOX (vbox), priv->statusbar, FALSE, FALSE, 0);
+  gtk_widget_show (priv->statusbar);
+
+  /* Filter menu */
+  priv->filter_action_group = gtk_action_group_new ("ActionGroupFilter");
+  gtk_ui_manager_insert_action_group (priv->ui_manager, priv->filter_action_group,
+                                      1);
+  priv->active_filters = NULL;
+  update_filter_menu (logview);
+  
+  gtk_widget_show (vbox);
+  gtk_widget_show (main_view);
+}
+
+static void
+logview_window_class_init (LogviewWindowClass *klass)
+{
+  GObjectClass *object_class = (GObjectClass *) klass;
+
+  object_class->finalize = logview_window_finalize;
+
+  g_type_class_add_private (klass, sizeof (LogviewWindowPrivate));
+}
+
+/* public methods */
+
+GtkWidget *
+logview_window_new ()
+{
+  LogviewWindow *logview;
+
+  logview = g_object_new (LOGVIEW_TYPE_WINDOW, NULL);
+
+  if (logview->priv->ui_manager == NULL) {
+    return NULL;
+  }
+
+  return GTK_WIDGET (logview);
+}
+
+void
+logview_window_add_error (LogviewWindow *window,
+                          const char *primary,
+                          const char *secondary)
+{
+  LogviewWindowPrivate *priv;
+
+  g_assert (LOGVIEW_IS_WINDOW (window));
+  priv = window->priv;
+
+  message_area_set_labels (window,
+                           primary, secondary); 
+
+  gtk_widget_show (priv->message_area);
+
+  g_signal_connect (priv->message_area, "response",
+                    G_CALLBACK (message_area_response_cb), window);
+}
+
+void
+logview_window_add_errors (LogviewWindow *window,
+                           GPtrArray *errors)
+{
+  char *primary, *secondary;
+  GString *str;
+  char **err;
+  int i;
+
+  g_assert (LOGVIEW_IS_WINDOW (window));
+  g_assert (errors->len > 1);
+
+  primary = g_strdup (_("Could not open the following files:"));
+  str = g_string_new (NULL);
+
+  for (i = 0; i < errors->len; i++) {
+    err = (char **) g_ptr_array_index (errors, i);
+    g_string_append (str, err[0]);
+    g_string_append (str, ": ");
+    g_string_append (str, err[1]);
+    g_string_append (str, "\n");
+  }
+
+  secondary = g_string_free (str, FALSE);
+
+  message_area_set_labels (window, primary, secondary);
+
+  gtk_widget_show (window->priv->message_area);
+
+  g_signal_connect (window->priv->message_area, "response",
+                    G_CALLBACK (message_area_response_cb), window);
+
+  g_free (primary);
+  g_free (secondary);
+}
+
+