/* -*- 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 <miquel@df.uba.ar> * Copyright (C) 2008 Cosimo Cecchi <cosimoc@gnome.org> * * 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., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, 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 (×tamp)); timestring_utf8 = g_locale_to_utf8 (timestring, -1, NULL, NULL, NULL); modified = g_strdup_printf (_("last update: %s"), timestring_utf8); size = g_format_size (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), "help: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_KEY_KP_Add, GDK_CONTROL_MASK, "ViewZoomIn" }, { GDK_KEY_KP_Subtract, GDK_CONTROL_MASK, "ViewZoomOut" }, { GDK_KEY_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 */ #if GTK_CHECK_VERSION (3, 0, 0) hpaned = gtk_paned_new (GTK_ORIENTATION_HORIZONTAL); #else hpaned = gtk_hpaned_new (); #endif 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_text_new (); 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); }