+ /* Prevent falling off the end of the history list */
+ if(win->history == NULL)
+ return TRUE;
+ if( (event->keyval == GDK_Up || event->keyval == GDK_KP_Up)
+ && win->history_pos && win->history_pos->next == NULL)
+ return TRUE;
+ if( (event->keyval == GDK_Down || event->keyval == GDK_KP_Down)
+ && (win->history_pos == NULL || win->history_pos->prev == NULL) )
+ return TRUE;
+
+ GtkTextBuffer *buffer = gtk_text_view_get_buffer(GTK_TEXT_VIEW(win->widget));
+ GtkTextIter start, end;
+ /* Erase any text that was already typed */
+ GtkTextMark *input_position = gtk_text_buffer_get_mark(buffer, "input_position");
+ gtk_text_buffer_get_iter_at_mark(buffer, &start, input_position);
+ gtk_text_buffer_get_end_iter(buffer, &end);
+
+ if(win->history_pos == NULL) {
+ gchar *current_input = gtk_text_buffer_get_text(buffer, &start, &end, FALSE);
+ win->history = g_list_prepend(win->history, current_input);
+ win->history_pos = win->history;
+ }
+
+ gtk_text_buffer_delete(buffer, &start, &end);
+
+ if(event->keyval == GDK_Up || event->keyval == GDK_KP_Up)
+ {
+ if(win->history_pos)
+ win->history_pos = g_list_next(win->history_pos);
+ else
+ win->history_pos = win->history;
+ }
+ else /* down */
+ win->history_pos = g_list_previous(win->history_pos);
+
+ /* Insert the history item into the window */
+ gtk_text_buffer_get_end_iter(buffer, &end);
+
+ g_signal_handler_block(buffer, win->insert_text_handler);
+ gtk_text_buffer_insert_with_tags_by_name(buffer, &end, win->history_pos->data, -1, "default", "input", NULL);
+ g_signal_handler_unblock(buffer, win->insert_text_handler);
+ return TRUE;