lib/shellplay/session.rb in shellplay-0.0.6 vs lib/shellplay/session.rb in shellplay-0.0.7

@@ -36,14 +36,18 @@
       @sequence << s
     end
 
     def drop_last_screen
       @sequence.pop
-      @pointer -= 1
+      previous
     end
 
     def next
       @pointer += 1
+    end
+
+    def previous
+      @pointer -= 1
     end
 
     def show(index)
       @pointer = index.to_i
       current_screen