+void
+psppire_window_set_unsaved (PsppireWindow *w)
+{
+ if ( w->dirty == FALSE)
+ g_get_current_time (&w->savetime);
+
+ w->dirty = TRUE;
+
+ psppire_window_set_title (w);
+}
+
+gboolean
+psppire_window_get_unsaved (PsppireWindow *w)
+{
+ return w->dirty;
+}
+
+
+\f
+
+
+static void
+minimise_window (gpointer key, gpointer value, gpointer data)
+{
+ gtk_window_iconify (GTK_WINDOW (value));
+}
+
+
+void
+psppire_window_minimise_all (void)
+{
+ PsppireWindowRegister *reg = psppire_window_register_new ();
+
+ g_hash_table_foreach (reg->name_table, minimise_window, NULL);
+}
+
+
+\f
+
+GType
+psppire_window_model_get_type (void)
+{
+ static GType window_model_type = 0;
+
+ if (! window_model_type)
+ {
+ static const GTypeInfo window_model_info =
+ {
+ sizeof (PsppireWindowIface), /* class_size */
+ NULL, /* base_init */
+ NULL, /* base_finalize */
+ NULL,
+ NULL, /* class_finalize */
+ NULL, /* class_data */
+ 0,
+ 0, /* n_preallocs */
+ NULL
+ };
+
+ window_model_type =
+ g_type_register_static (G_TYPE_INTERFACE, "PsppireWindowModel",
+ &window_model_info, 0);
+
+ g_type_interface_add_prerequisite (window_model_type, G_TYPE_OBJECT);
+ }
+
+ return window_model_type;
+}
+
+
+void
+psppire_window_save (PsppireWindow *w)
+{
+ PsppireWindowIface *i = PSPPIRE_WINDOW_MODEL_GET_IFACE (w);
+
+ g_assert (i);
+ g_return_if_fail (i->save);
+
+ if (w->filename == NULL)
+ psppire_window_save_as (w);
+ else
+ {
+ i->save (w);
+ w->dirty = FALSE;
+ psppire_window_set_title (w);
+ }
+}
+
+void
+psppire_window_save_as (PsppireWindow *w)
+{
+ PsppireWindowIface *i = PSPPIRE_WINDOW_MODEL_GET_IFACE (w);
+ gchar *old_filename;
+
+ g_assert (i);
+ g_return_if_fail (i->pick_filename);
+
+ old_filename = w->filename;
+ w->filename = NULL;
+
+ i->pick_filename (w);
+ if (w->filename == NULL)
+ w->filename = old_filename;
+ else
+ {
+ g_free (old_filename);
+ psppire_window_save (w);
+ }
+}
+
+extern GtkRecentManager *the_recent_mgr;
+
+static void add_most_recent (const char *file_name, GtkRecentManager *rm);
+static void delete_recent (const char *file_name, GtkRecentManager *rm);
+
+gboolean
+psppire_window_load (PsppireWindow *w, const gchar *file)
+{
+ gboolean ok;
+ PsppireWindowIface *i = PSPPIRE_WINDOW_MODEL_GET_IFACE (w);
+
+ g_assert (PSPPIRE_IS_WINDOW_MODEL (w));
+
+ g_assert (i);
+
+ g_return_val_if_fail (i->load, FALSE);
+
+ ok = i->load (w, file);
+
+ if ( ok )
+ {
+ psppire_window_set_filename (w, file);
+ add_most_recent (file, the_recent_mgr);
+ w->dirty = FALSE;
+ }
+ else
+ delete_recent (file, the_recent_mgr);
+
+ psppire_window_set_title (w);
+
+ return ok;
+}
+
+GtkWidget *
+psppire_window_file_chooser_dialog (PsppireWindow *toplevel)
+{
+ GtkWidget *dialog =
+ gtk_file_chooser_dialog_new (_("Open"),
+ GTK_WINDOW (toplevel),
+ GTK_FILE_CHOOSER_ACTION_OPEN,
+ GTK_STOCK_CANCEL, GTK_RESPONSE_CANCEL,
+ GTK_STOCK_OPEN, GTK_RESPONSE_ACCEPT,
+ NULL);
+
+ GtkFileFilter *filter;
+
+ filter = gtk_file_filter_new ();
+ gtk_file_filter_set_name (filter, _("Data and Syntax Files"));
+ gtk_file_filter_add_pattern (filter, "*.sav");
+ gtk_file_filter_add_pattern (filter, "*.SAV");
+ gtk_file_filter_add_pattern (filter, "*.por");
+ gtk_file_filter_add_pattern (filter, "*.POR");
+ gtk_file_filter_add_pattern (filter, "*.sps");
+ gtk_file_filter_add_pattern (filter, "*.SPS");
+ gtk_file_chooser_add_filter (GTK_FILE_CHOOSER (dialog), filter);
+
+ filter = gtk_file_filter_new ();
+ gtk_file_filter_set_name (filter, _("System Files (*.sav)"));
+ gtk_file_filter_add_pattern (filter, "*.sav");
+ gtk_file_filter_add_pattern (filter, "*.SAV");
+ gtk_file_chooser_add_filter (GTK_FILE_CHOOSER (dialog), filter);
+
+ filter = gtk_file_filter_new ();
+ gtk_file_filter_set_name (filter, _("Portable Files (*.por) "));
+ gtk_file_filter_add_pattern (filter, "*.por");
+ gtk_file_filter_add_pattern (filter, "*.POR");
+ gtk_file_chooser_add_filter (GTK_FILE_CHOOSER (dialog), filter);
+
+ filter = gtk_file_filter_new ();
+ gtk_file_filter_set_name (filter, _("Syntax Files (*.sps) "));
+ gtk_file_filter_add_pattern (filter, "*.sps");
+ gtk_file_filter_add_pattern (filter, "*.SPS");
+ gtk_file_chooser_add_filter (GTK_FILE_CHOOSER (dialog), filter);
+
+ filter = gtk_file_filter_new ();
+ gtk_file_filter_set_name (filter, _("All Files"));
+ gtk_file_filter_add_pattern (filter, "*");
+ gtk_file_chooser_add_filter (GTK_FILE_CHOOSER (dialog), filter);
+
+ if (toplevel->filename)
+ {
+ const gchar *filename = toplevel->filename;
+ gchar *dir_name;
+
+ if ( ! g_path_is_absolute (filename))
+ {
+ gchar *path =
+ g_build_filename (g_get_current_dir (), filename, NULL);
+ dir_name = g_path_get_dirname (path);
+ g_free (path);
+ }
+ else
+ {
+ dir_name = g_path_get_dirname (filename);
+ }
+ gtk_file_chooser_set_current_folder (GTK_FILE_CHOOSER (dialog),
+ dir_name);
+ free (dir_name);
+ }
+
+ return dialog;
+}
+
+/* Callback for the file_open action.
+ Prompts for a filename and opens it */
+void
+psppire_window_open (PsppireWindow *de)
+{
+ GtkWidget *dialog = psppire_window_file_chooser_dialog (de);
+
+ switch (gtk_dialog_run (GTK_DIALOG (dialog)))
+ {
+ case GTK_RESPONSE_ACCEPT:
+ {
+ gchar *name =
+ gtk_file_chooser_get_filename (GTK_FILE_CHOOSER (dialog));
+
+ gchar *sysname = convert_glib_filename_to_system_filename (name, NULL);
+
+ if (any_reader_may_open (sysname))
+ {
+ PsppireWindow *window;
+
+#if 0
+ if (PSPPIRE_IS_DATA_WINDOW (de)
+ && psppire_data_window_is_empty (PSPPIRE_DATA_WINDOW (de)))
+ window = de;
+ else
+ window = PSPPIRE_WINDOW (psppire_data_window_new (NULL));
+#else
+ window = PSPPIRE_WINDOW (psppire_default_data_window ());
+#endif
+
+ psppire_window_load (window, name);
+ gtk_widget_show (GTK_WIDGET (window));
+ }
+ else
+ open_syntax_window (name);
+
+ g_free (sysname);
+ g_free (name);
+ }
+ break;
+ default:
+ break;
+ }
+
+ gtk_widget_destroy (dialog);
+}
+
+
+/* Puts FILE_NAME into the recent list.
+ If it's already in the list, it moves it to the top
+*/
+static void
+add_most_recent (const char *file_name, GtkRecentManager *rm)
+{
+ gchar *uri = g_filename_to_uri (file_name, NULL, NULL);
+
+ if ( uri )
+ gtk_recent_manager_add_item (rm, uri);
+
+ g_free (uri);
+}
+
+
+
+/*
+ If FILE_NAME exists in the recent list, then delete it.
+ */
+static void
+delete_recent (const char *file_name, GtkRecentManager *rm)
+{
+ gchar *uri = g_filename_to_uri (file_name, NULL, NULL);
+
+ if ( uri )
+ gtk_recent_manager_remove_item (rm, uri, NULL);
+
+ g_free (uri);
+}
+