* (IMPORTANT BUG FIX) scan of event keywords doesn't work on recent

  versions of Tck/Tk
* (bug fix) initialize error of instance variable on TkComposite
* (bug fix) initialize error on encoding-system on MultiTkIp
* (bug fix) trouble on destroying widgets
* (new) add JP and EN version of Ruby/Tk widget demos


git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@4249 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

1 files changed, 42 insertions, 0 deletions

diff --git a/ext/tk/sample/demos-en/tkencoding.rb b/ext/tk/sample/demos-en/tkencoding.rb
new file mode 100644
index 0000000000..727491a6ad
--- /dev/null
+++ b/ext/tk/sample/demos-en/tkencoding.rb
@@ -0,0 +1,42 @@
+# -*- ruby -*-
+#
+# tkencoding.rb
+# written by ttate@jaist.ac.jp
+
+class TclTkIp
+  alias __eval _eval
+  alias __invoke _invoke
+  private :__eval
+  private :__invoke
+
+  attr_accessor :encoding
+
+  def _eval(cmd)
+    if( @encoding )
+      _fromUTF8(__eval(_toUTF8(cmd,@encoding)),@encoding)
+    else
+      __eval(cmd)
+    end
+  end
+
+  def _invoke(*cmds)
+    if( @encoding )
+      cmds = cmds.collect{|cmd| _toUTF8(cmd,@encoding)}
+      _fromUTF8(__invoke(*cmds),@encoding)
+    else
+      __invoke(*cmds)
+    end
+  end
+end
+
+module Tk
+  INTERP = TkCore::INTERP
+
+  def encoding=(name)
+    INTERP.encoding = name
+  end
+
+  def encoding
+    INTERP.encoding
+  end
+end