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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: svn+ssh://ci.ruby-lang.org/ruby/trunk@15618 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
33 lines
708 B
Ruby
33 lines
708 B
Ruby
#
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# tbutton widget
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# by Hidetoshi NAGAI (nagai@ai.kyutech.ac.jp)
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#
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require 'tk'
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require 'tkextlib/tile.rb'
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module Tk
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module Tile
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class TButton < Tk::Button
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end
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Button = TButton
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end
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end
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Tk.__set_toplevel_aliases__(:Ttk, Tk::Tile::Button, :TkButton)
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class Tk::Tile::TButton < Tk::Button
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include Tk::Tile::TileWidget
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if Tk::Tile::USE_TTK_NAMESPACE
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TkCommandNames = ['::ttk::button'.freeze].freeze
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else
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TkCommandNames = ['::tbutton'.freeze].freeze
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end
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WidgetClassName = 'TButton'.freeze
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WidgetClassNames[WidgetClassName] = self
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def self.style(*args)
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[self::WidgetClassName, *(args.map!{|a| _get_eval_string(a)})].join('.')
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end
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end
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