* ext/tk/lib/tcltklib : bug fix

* ext/tk/lib/tk : bug fix and add Tcl/Tk extension support libraries


git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@6559 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

ext/tk/lib/tkextlib/tcllib/cursor.rb

@@ -0,0 +1,41 @@
+#
+#  tkextlib/tcllib/cursor.rb
+#                               by Hidetoshi NAGAI (nagai@ai.kyutech.ac.jp)
+#
+#   * Part of tcllib extension
+#   * Procedures to handle CURSOR data
+#
+
+require 'tk'
+
+# call setup script for general 'tkextlib' libraries
+require 'tkextlib/setup.rb'
+
+# call setup script
+require File.join(File.dirname(File.expand_path(__FILE__)), 'setup.rb')
+
+# TkPackage.require('cursor', '0.1')
+TkPackage.require('cursor')
+
+module Tk
+  def self.cursor_display(parent=None)
+    # Pops up a dialog with a listbox containing all the cursor names. 
+    # Selecting a cursor name will display it in that dialog. 
+    # This is simply for viewing any available cursors on the platform .
+   tk_call_without_enc('::cursor::display', parent)
+  end
+end
+
+class TkWindow
+  def cursor_propagate(cursor)
+    # Sets the cursor for self and all its descendants to cursor. 
+    tk_send_without_enc('::cursor::propagate', @path, cursor)
+  end
+  def cursor_restore(cursor = None)
+    # Restore the original or previously set cursor for self and all its 
+    # descendants. If cursor is specified, that will be used if on any 
+    # widget that did not have a preset cursor (set by a previous call 
+    # to TkWindow#cursor_propagate). 
+    tk_send_without_enc('::cursor::restore', @path, cursor)
+  end
+end