lib/mireru/command/mireru.rb in mireru-0.0.4 vs lib/mireru/command/mireru.rb in mireru-0.0.5

@@ -15,10 +15,20 @@
       end
 
       def run(arguments)
         if arguments.empty?
           file_container = Dir.glob("*")
+        elsif /\A(-h|--help)\z/ =~ arguments[0]
+          puts(USAGE)
+          puts <<-EOS
+  If no argument, then search current directory.
+Keybind:
+  n: next
+  p: prev
+  q: quit
+          EOS
+          exit(true)
         else
           file_container = arguments
         end
 
         file_container.select! {|f| support_file?(f) }
@@ -32,18 +42,23 @@
 
         image = Gtk::Image.new
         image.file = file_container.shift
 
         window = Gtk::Window.new
+        window.title = File.basename(image.file)
 
         window.signal_connect("key_press_event") do |w, e|
           case e.keyval
           when Gdk::Keyval::GDK_KEY_n
             file_container.push(image.file)
             image.file = file_container.shift
+            window.title = File.basename(image.file)
+            window.resize(1, 1)
           when Gdk::Keyval::GDK_KEY_p
             file_container.unshift(image.file)
             image.file = file_container.pop
+            window.title = File.basename(image.file)
+            window.resize(1, 1)
           when Gdk::Keyval::GDK_KEY_q
             Gtk.main_quit
           end
         end