* ext/tk/lib/tk.rb: add __val2ruby_optkeys and __ruby2val_optkeys to
help to convert option values between ruby and tcl.
* ext/tk/lib/tk/itemconfig.rb: add __item_val2ruby_optkeys and
__item_ruby2val_optkeys to help to convert option values between
ruby and tcl.
* ext/tk/lib/tk/radiobutton.rb: use __ruby2val_optkeys for 'variable'
option (for the reason of backward compatibility).
* ext/tk/lib/tk/composite.rb: clarify the arguments of super().
* ext/tk/lib/tk/spinbox.rb: ditto.
* ext/tk/lib/tk/text.rb: ditto.
* ext/tk/lib/tk/validation.rb: ditto.
* ext/tk/lib/tkextlib/*: support to treat tkvariable-type
configure options.
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@8958 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
a class is available for a callback entry.
* ext/tk/lib/tk.rb (after_cancel): add Tk.after_cancel(afterID) method.
* ext/tk/lib/tk.rb (array2tk_list): change from private module method
of TkComm to public module method.
* ext/tk/lib/tk.rb (cget): add check that slot argument is not empty string.
* ext/tk/lib/tk.rb (configinfo): ditto.
* ext/tk/lib/tk/itemconfig.rb (itemcget): add check that slot argument
is not empty string.
* ext/tk/lib/tk/itemconfig.rb (itemconfiginfo): ditto.
* ext/tk/lib/tk/entry.rb: add TkEntry#icursor and icursor= (alias of
cursor and cursor= method).
* ext/tk/lib/tk/font.rb: improve font treatment when the font name is
empty string.
* ext/tk/lib/tk/variable.rb: add :variable, :window and :procedure type.
* ext/tk/lib/tk/variable.rb: improve treatment of array-type tkvariable.
* ext/tk/lib/tkextlib/blt.rb: add commands for zooming.
* ext/tk/lib/tkextlib/blt/*: bug fix.
* ext/tk/lib/tkextlib/treectrl/tktreectrl.rb: bug fix and add methods
to call TreeCtrl commands for bindings.
* ext/tk/sample/tkextlib/blt/*: new sample scritps.
* ext/tk/sample/tkextlib/treectrl/*: ditto.
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@8195 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
