Now no need for local import of KeyEvent / MouseEvent

Author: monkstone

processing_app/library/library_proxy/key_event.rb

@@ -1,5 +1,5 @@
 # A simple demonstration of vanilla processing 'reflection' methods using
-# JRubyArt :library_proxy. 
+# JRubyArt :library_proxy.
 # See library/my_library/my_library.rb code for the guts.
 load_libraries :library_proxy, :my_library
 
@@ -15,7 +15,7 @@ def setup
   MyLibrary.new self
 end
 
-def hide(val)
+def hide(val) # we call this method from my_library
   @visible = !val
 end
 

processing_app/library/library_proxy/library/my_library/my_library.rb

@@ -2,7 +2,6 @@
 # we can access 'keyEvent' and 'draw'  (Note we need a draw method even
 # though can be empty)
 class MyLibrary < LibraryProxy
-  java_import 'processing.event.KeyEvent'
 
   attr_reader :app
 
@@ -11,15 +10,15 @@ def initialize(parent)
   end
 
   def draw # optional
-    fill app.color(200, 0, 0, 100)
+    fill app.color(200, 0, 0, 100) # partially transparent
     app.rect 100, 100, 60, 90
   end
 
   # favor guard clause no_op unless key pressed
-  # and no_op unless ascii key
+  # and no_op unless ascii key else we can't use :chr
   def keyEvent(e) # NB: need camel case for reflection to work
     return unless e.get_action == KeyEvent::PRESS
-    return if e.get_key > 122 # else we can't use :chr
+    return if e.get_key >= 'z'.ord
     case e.get_key.chr.upcase
     when 'S'
       app.send :hide, false