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switchable between Tk (standard Tcl/Tk widget set) and
Ttk (Tile). Initial default widget set is Tk. Now, toplevel
widget classes are removed and defined as aliases.
For example, "TkButton" is an alias of the "Tk::Button" class.
Those aliases are replaced when switching default widget set.
"Tk.default_widget_set=" is the method for switching default
widget set. "Tk.default_widget_set = :Ttk" defines Ttk (Tile)
widget set as default. It means that "TkButton" denotes
"Tk::Tile::Button" class. And then, "TkButton.new" creates
a Tk::Tile::Button widget. Of course, you can back to use
standard Tk widgets as the default widget set by calling
"Tk.default_widget_set = :Tk", whenever you want. Based on
thie feature, you can use Ttk widget styling engine on your
old Ruby/Tk application without modifying its source, if you
don'tuse widget options unsupported on Ttk widgets (At first,
call "Tk.default_widget_set = :Ttk", and next load and run
your application).
This is one step for supporting Tcl/Tk8.5 features.
git-svn-id: http://svn.ruby-lang.org/repos/ruby/trunk@15618 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
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* ext/tk/lib/tk.rb, ext/tk/lib/tk/canvas.rb, ext/tk/lib/tk/entry.rb,
ext/tk/lib/tk/frame.rb, ext/tk/lib/tk/image.rb,
ext/tk/lib/tk/itemconfig.rb, ext/tk/lib/tk/labelframe.rb,
ext/tk/lib/tk/listbox.rb, ext/tk/lib/tk/menu.rb,
ext/tk/lib/tk/radiobutton.rb, ext/tk/lib/tk/scale.rb,
ext/tk/lib/tk/spinbox.rb, ext/tk/lib/tk/text.rb,
ext/tk/lib/tk/toplevel.rb: improve conversion of option values.
* ext/tk/lib/tkextlib/*: ditto.
* ext/tk/lib/tkextlib/*: update to support ActiveTcl8.4.11.2.
* ext/tk/lib/tkextlib/trofs/*: support Trofs 0.4.3.
* ext/tk/lib/tkextlib/tile/*: support Tile 0.7.2.
* ext/tk/lib/tkextlib/vu/*: support vu 2.3.0.
* ext/tk/lib/tkextlib/tcllib/*: support Tcllib 1.8 (Tklib 0.3).
git-svn-id: http://svn.ruby-lang.org/repos/ruby/trunk@9448 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
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