tk.rb :

  * TkToplevel, TkFrame, TkPanedwindow, TkOptionDB : bug fix
  * TkOptionDB : make it more secure to use procs defined on resourceDB

sample/tkoptdb.rb, sample/resource.ja, sample/resource.en :
  * sample script how to use TkOptionDB.
    resource.ja and resource.en are samples of resource definition file
    which are read by tkoptdb.rb.


git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@3998 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

1 files changed, 49 insertions, 0 deletions

diff --git a/ext/tk/sample/tkoptdb.rb b/ext/tk/sample/tkoptdb.rb
new file mode 100644
index 0000000000..930985dc22
--- /dev/null
+++ b/ext/tk/sample/tkoptdb.rb
@@ -0,0 +1,49 @@
+#!/usr/bin/env ruby
+#
+#  sample script of TkOptionDB
+#
+#  If 'LANG' environment variable's value is started by 'ja',  
+#  then read Japanese resource data and display Japanese button text. 
+#  In other case, read English resource data and display English text. 
+#
+require "tk"
+
+if ENV['LANG'] =~ /^ja/
+  # read Japanese resource
+  TkOptionDB.readfile(File.expand_path('resource.ja', File.dirname(__FILE__)))
+else
+  # read English resource
+  TkOptionDB.readfile(File.expand_path('resource.en', File.dirname(__FILE__)))
+end
+
+# 'show_msg' and 'bye_msg' procedures can be defined on BTN_CMD resource.
+# Those procedures are called under $SAFE==2
+cmd = TkOptionDB.new_proc_class(:BTN_CMD, [:show_msg, :bye_msg], 2) {
+  # If you want to check resource string (str), 
+  # please define __check_proc_string__(str) like this.
+  class << self
+    def __check_proc_string__(str)
+      print "($SAFE=#{$SAFE}) check!! str.tainted?::#{str.tainted?}"
+      str.untaint
+      print "==>#{str.tainted?} : "
+      str
+    end
+  end
+}
+
+TkFrame.new(:class=>'BtnFrame'){|f|
+  pack(:padx=>5, :pady=>5)
+  TkButton.new(:parent=>f, :widgetname=>'hello'){ 
+    command proc{
+      print "($SAFE=#{$SAFE}) : "
+      cmd.show_msg(TkOptionDB.inspect)
+    } 
+    pack(:fill=>:x, :padx=>10, :pady=>10)
+  }
+  TkButton.new(:command=>proc{print "($SAFE=#{$SAFE}) : "; cmd.bye_msg; exit}, 
+	       :parent=>f, :widgetname=>'quit'){
+    pack(:fill=>:x, :padx=>10, :pady=>10)
+  }
+}
+
+Tk.mainloop