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* Copyright (C) 2008 Stefan Walter
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU Lesser General Public License as
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* published by the Free Software Foundation; either version 2.1 of
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* the License, or (at your option) any later version.
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* This program is distributed in the hope that it will be useful, but
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* WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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* You should have received a copy of the GNU Lesser General Public
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* License along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
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public abstract class Viewer : Widget, View {
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private UIManager _ui_manager;
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private ActionGroup _object_actions;
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private HashTable<Quark, Commands> _commands;
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private static bool _about_initialized;
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private static const ActionEntry[] UI_ENTRIES = {
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{ "key-menu", null, N_("_Key") },
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{ "edit-menu", null, N_("_Edit") },
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{ "view-menu", null, N_("_View") },
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{ "help-menu", null, N_("_Help") },
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{ "app-preferences", Gtk.STOCK_PREFERENCES, N_("Prefere_nces"), null,
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N_("Change preferences for this program"), null },
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{ "app-about", "gnome-stock-about", N_("_About"), null,
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N_("About this program"), null },
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{ "help-show", Gtk.STOCK_HELP, N_("_Contents"), "F1",
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N_("Show Seahorse help"), null }
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private static const ActionEntry[] KEY_ENTRIES = {
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{ "key-properties", Gtk.STOCK_PROPERTIES, N_("P_roperties"), null,
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N_("Show key properties"), null },
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{ "key-export-file", Gtk.STOCK_SAVE_AS, N_("E_xport Public Key..."), null,
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N_("Export public part of key to a file"), null },
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{ "key-export-clipboard", Gtk.STOCK_COPY, N_("_Copy Public Key"), "<control>C",
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N_("Copy public part of selected keys to the clipboard"), null },
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{ "key-delete", Gtk.STOCK_DELETE, N_("_Delete Key"), null,
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N_("Delete selected keys"), null }
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_ui_manager = new Gtk.UIManager ();
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/* The widgts get added in an idle loop later */
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_ui_manager.add_widget += on_ui_add_widget;
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string path = "%sseahorse-%s.ui".printf (Config.SEAHORSE_GLADEDIR, name);
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_ui_manager.add_ui_from_file (path);
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warning ("couldn't load ui description for '%s': %s", name, ex.message);
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var win = get_toplevel ();
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if (win.get_type() == typeof (Gtk.Window))
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((Gtk.Window)win).add_accel_group (_ui_manager.get_accel_group ());
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include_basic_actions ();
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this.selection_changed += on_selection_changed;
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/* Setup the commands */
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_commands = new HashTable<Quark, Commands> (GLib.direct_hash, GLib.direct_equal);
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var types = Registry.get().find_types ("commands", null);
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foreach (GLib.Type typ in types) {
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/* Add each commands to our hash table */
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Commands commands = (Commands)GLib.Object.new(typ, "view", this, null);
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_commands.insert (commands.ktype, commands);
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/* Add the UI for each commands */
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var actions = commands.command_actions;
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include_actions (actions);
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var uidef = commands.ui_definition;
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if (uidef != null && uidef.len() > 0)
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_ui_manager.add_ui_from_string (uidef, -1);
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private void include_basic_actions () {
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* We hook callbacks up here for now because of a compiler warning. See:
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* http://bugzilla.gnome.org/show_bug.cgi?id=539483
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var actions = new Gtk.ActionGroup ("main");
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actions.set_translation_domain (Config.GETTEXT_PACKAGE);
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actions.add_actions (UI_ENTRIES, this);
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actions.get_action("app-preferences").activate += on_app_preferences;
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actions.get_action("app-about").activate += on_app_about;
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actions.get_action("help-show").activate += on_help_show;
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include_actions (actions);
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_object_actions = new Gtk.ActionGroup ("key");
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_object_actions.set_translation_domain (Config.GETTEXT_PACKAGE);
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_object_actions.add_actions (KEY_ENTRIES, this);
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_object_actions.get_action("key-properties").activate += on_key_properties;
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_object_actions.get_action("key-export-file").activate += on_key_export_file;
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_object_actions.get_action("key-export-clipboard").activate += on_key_export_clipboard;
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_object_actions.get_action("key-delete").activate += on_key_delete;
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/* Mark the properties toolbar button as important */
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_object_actions.get_action("key-properties").is_important = true;
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include_actions (_object_actions);
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protected void ensure_updated () {
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_ui_manager.ensure_update ();
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protected void include_actions (Gtk.ActionGroup actions) {
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_ui_manager.insert_action_group (actions, -1);
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public virtual List<weak Object> get_selected_objects () {
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return new List<weak Object>();
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public virtual void set_selected_objects (List<Object> objects) {
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/* Must be overridden */
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public virtual weak Object? selected {
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/* Must be overridden */
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List<weak Object> objects = new List<weak Object>();
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objects.prepend(value);
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set_selected_objects (objects);
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public virtual weak Set? current_set {
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/* Must be overridden */
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public virtual weak Object? get_selected_object_and_uid (out uint uid) {
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/* Must be overridden */
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public Gtk.Window window {
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get { return (Gtk.Window)get_toplevel(); }
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private void on_ui_add_widget (Gtk.UIManager ui, Gtk.Widget widget) {
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if (widget.get_type () == typeof (Gtk.MenuBar))
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name = "menu-placeholder";
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else if (widget.get_type () == typeof (Gtk.Toolbar))
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name = "toolbar-placeholder";
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Gtk.Widget holder = get_widget (name);
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((Gtk.Container)holder).add (widget);
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warning ("no place holder found for: %s", name);
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private void on_app_preferences (Action action) {
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Preferences.show (window, null);
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private void on_app_about (Action action) {
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"Jacob Perkins <jap1@users.sourceforge.net>",
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"Jose Carlos Garcia Sogo <jsogo@users.sourceforge.net>",
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"Jean Schurger <yshark@schurger.org>",
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"Stef Walter <stef@memberwebs.com>",
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"Adam Schreiber <sadam@clemson.edu>",
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"Albrecht Dreß <albrecht.dress@arcor.de>",
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"Jim Pharis <binbrain@gmail.com>"
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string[] documenters = {
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"Jacob Perkins <jap1@users.sourceforge.net>",
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"Adam Schreiber <sadam@clemson.edu>",
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"Milo Casagrande <milo_casagrande@yahoo.it>"
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"Jacob Perkins <jap1@users.sourceforge.net>",
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"Stef Walter <stef@memberwebs.com>"
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if (!_about_initialized) {
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_about_initialized = true;
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Gtk.AboutDialog.set_url_hook (on_about_link_clicked, null);
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Gtk.AboutDialog about = new Gtk.AboutDialog();
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about.artists = artists;
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about.authors = authors;
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about.documenters = documenters;
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about.version = Config.VERSION;
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about.comments = _("Encryption Key Manager");
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about.copyright = "Copyright \xc2\xa9 2002 - 2008 Seahorse Project";
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about.translator_credits = _("translator-credits");
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about.logo_icon_name = "seahorse";
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about.website = "http://www.gnome.org/projects/seahorse";
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about.website_label = _("Seahorse Project Homepage");
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private static void on_about_link_clicked (Gtk.AboutDialog about, string url) {
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GLib.AppInfo.launch_default_for_uri (url, new GLib.AppLaunchContext ());
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} catch (GLib.Error ex){
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warning ("couldn't launch url: %s: %s", url, ex.message);
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private void on_help_show (Action action) {
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protected void show_context_menu (uint button, uint time) {
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Gtk.Menu menu = (Gtk.Menu)_ui_manager.get_widget ("/KeyPopup");
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return_if_fail (menu != null && menu.get_type() == typeof (Gtk.Menu));
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menu.popup (null, null, null, button, time);
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protected void show_properties (Object obj) {
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var commands = _commands.lookup(obj.tag);
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if (commands != null)
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commands.show_properties (obj);
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private void on_key_properties (Action action) {
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if (this.selected != null)
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show_properties (this.selected);
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private int compare_by_tag (Object one, Object two) {
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Quark kone = one.tag;
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Quark ktwo = two.tag;
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private void delete_object_batch (List<Object> objects) {
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assert (objects != null);
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var commands = _commands.lookup(objects.data.tag);
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if (commands != null)
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commands.delete_objects (objects);
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} catch (GLib.Error ex) {
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Util.handle_error (ex, _("Couldn't delete."), window);
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private void on_key_delete (Action action) {
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List<weak Object> objects, batch;
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/* Get the selected objects and sort them by ktype */
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objects = get_selected_objects ();
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objects.sort ((GLib.CompareFunc)compare_by_tag);
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uint num = objects.length();
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/* Check for private objects */
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foreach (var object in objects) {
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if (object.usage == Usage.PRIVATE_KEY) {
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prompt = _("%s is a private key. Are you sure you want to proceed?").printf(objects.data.display_name);
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prompt = _("One or more of the deleted keys are private keys. Are you sure you want to proceed?");
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if (!Util.prompt_delete (prompt))
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batch = new List<weak Object>();
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foreach (Object object in objects) {
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/* Process that batch */
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if (ktype != object.tag && batch != null) {
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delete_object_batch (batch);
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batch = new List<weak Object>();
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/* Add to the batch */
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batch.prepend (object);
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/* Process last batch */
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delete_object_batch (batch);
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private void on_copy_complete (Operation op) {
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if (!op.is_successful ()) {
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op.display_error (_("Couldn't retrieve data from key server"), window);
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GLib.Object result = (GLib.Object)op.get_result ();
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return_if_fail (result != null && result.get_type () != typeof (MemoryOutputStream));
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MemoryOutputStream output = (MemoryOutputStream)result;
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weak string text = (string)output.get_data ();
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return_if_fail (text != null);
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uint size = Util.memory_output_length (output);
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return_if_fail (size >= 0);
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Gdk.Atom atom = Gdk.Atom.intern ("CLIPBOARD", false);
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Gtk.Clipboard board = Gtk.Clipboard.get (atom);
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board.set_text (text, (int)size);
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set_status (_("Copied keys"));
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private void on_key_export_clipboard (Action action) {
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var objects = get_selected_objects ();
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OutputStream output = new MemoryOutputStream (null, 0, realloc, free);
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Operation op = Source.export_objects (objects, output);
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Progress.show (op, _("Retrieving keys"), true);
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op.watch (on_copy_complete, null);
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private void on_export_done (Operation op) {
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if (!op.is_successful ())
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op.display_error (_("Couldn't export keys"), window);
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private void on_key_export_file (Action action) {
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var objects = get_selected_objects ();
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Gtk.Dialog dialog = Util.chooser_save_new (_("Export public key"), window);
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Util.chooser_show_key_files (dialog);
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Util.chooser_set_filename (dialog, objects);
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string uri = Util.chooser_save_prompt (dialog);
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var file = File.new_for_uri (uri);
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OutputStream output = file.replace (null, false, 0, null);
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Operation op = Source.export_objects (objects, output);
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Progress.show (op, _("Exporting keys"), true);
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op.watch (on_export_done, null);
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Util.handle_error (ex, _("Couldn't export key to \"%s\""),
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Util.uri_get_last (uri));
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private void on_selection_changed (View view) {
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_object_actions.set_sensitive (view.selected != null);
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protected void set_status (string text) {
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Gtk.Widget widget = get_widget ("status");
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return_if_fail (widget != null || widget.get_type() != typeof (Gtk.Statusbar));
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Gtk.Statusbar status = (Gtk.Statusbar)widget;
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uint id = status.get_context_id ("key-manager");
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status.push (id, text);
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protected void set_numbered_status (string text, int num) {
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string message = text.printf (num);
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set_status (message);
added
removed
src/seahorse-viewer.vala
