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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
57 lines
1.4 KiB
Ruby
57 lines
1.4 KiB
Ruby
#
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# tkextlib/tcllib/datefield.rb
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# by Hidetoshi NAGAI (nagai@ai.kyutech.ac.jp)
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#
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# * Part of tcllib extension
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# * Tk datefield widget
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#
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# (The following is the original description of the library.)
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#
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# The datefield package provides the datefield widget which is an enhanced
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# text entry widget for the purpose of date entry. Only valid dates of the
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# form MM/DD/YYYY can be entered.
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#
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# The datefield widget is, in fact, just an entry widget with specialized
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# bindings. This means all the command and options for an entry widget apply
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# equally here.
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require 'tk'
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require 'tk/entry'
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require 'tkextlib/tcllib.rb'
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# TkPackage.require('datefield', '0.1')
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TkPackage.require('datefield')
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module Tk
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module Tcllib
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class Datefield < Tk::Entry
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PACKAGE_NAME = 'datefield'.freeze
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def self.package_name
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PACKAGE_NAME
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end
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def self.package_version
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begin
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TkPackage.require('datefield')
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rescue
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''
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end
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end
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end
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DateField = Datefield
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end
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end
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class Tk::Tcllib::Datefield
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TkCommandNames = ['::datefield::datefield'.freeze].freeze
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def create_self(keys)
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if keys and keys != None
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tk_call_without_enc(self.class::TkCommandNames[0], @path,
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*hash_kv(keys, true))
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else
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tk_call_without_enc(self.class::TkCommandNames[0], @path)
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end
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end
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private :create_self
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end
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