* ext/tk/lib/tkextlib/tktable/tktable.rb: added Tk::TkTable#selection_present.
* ext/tk/sample/tkextlib/vu/dial_demo.rb: renamed as well as vu_demo.rb.
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@8247 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
Windows version of Tcl/Tk. The trouble based on the bug occurs when
the script name (without extension) is a same name as a Tcl/Tk's
library file name (without extension) required in the script.
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@7823 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
* ext/tk/lib/tk.rb: better operation for SIGINT when processing callbacks.
* ext/tk/lib/tk/msgcat.rb: ditto.
* ext/tk/lib/tk/variable.rb: ditto.
* ext/tk/lib/tk/timer.rb: ditto.
* ext/tk/lib/tk/validation.rb: add Tk::ValidateConfigure.__def_validcmd()
to define validatecommand methods easier
* ext/tk/lib/tk.rb (_genobj_for_tkwidget): support autoload Tk ext classes
* ext/tk/lib/tk/canvas.rb and so on: remove the parent widget type check
for items (e.g. canvas items; depends on the class) to avoid some troubles
on Tk extension widget class definition.
* ext/tk/lib/tkextlib/: add Iwidget and TkTable extension support
* ext/tk/sample/tkextlib/: add samples of Iwidget and TkTable
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@6630 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
