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41b74c6e20
* ext/tk/*: Support new features of Tcl/Tk8.6b1 and minor bug fixes.
( [KNOWN BUG] Ruby/Tk on Ruby 1.9 will not work on Cygwin. )
* ext/tk/*: Unify sources between Ruby 1.8 & 1.9.
Improve default_widget_set handling.
* ext/tk/*: Multi-TkInterpreter (multi-tk.rb) works on Ruby 1.8 & 1.9.
( [KNOWN BUG] On Ruby 1.8, join to a long term Thread on Tk
callbacks may freeze. On Ruby 1.9, cannot create a second
master interpreter (creating slaves are OK); supported master
interpreter is the default master interpreter only. )
* ext/tk/lib/tkextlib/*: Update supported versions of Tk extensions.
Tcllib 1.8/Tklib 0.4.1 ==> Tcllib 1.11.1/Tklib 0.5
BWidgets 1.7 ==> BWidgets 1.8
TkTable 2.9 ==> TkTable 2.10
TkTreeCtrl 2005-12-02 ==> TkTreeCtrl 2.2.9
Tile 0.8.0/8.5.1 ==> Tile 0.8.3/8.6b1
IncrTcl 2005-02-14 ==> IncrTcl 2008-12-15
TclX 2005-02-07 ==> TclX 2008-12-15
Trofs 0.4.3 ==> Trofs 0.4.4
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/branches/ruby_1_8@24064 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
87 lines
2.1 KiB
Ruby
87 lines
2.1 KiB
Ruby
#!/usr/bin/env ruby
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require 'tk'
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class Button_clone < TkLabel
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def initialize(*args)
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@command = nil
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if args[-1].kind_of?(Hash)
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keys = _symbolkey2str(args.pop)
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@command = keys.delete('command')
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keys['highlightthickness'] = 1 unless keys.key?('highlightthickness')
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keys['padx'] = '3m' unless keys.key?('padx')
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keys['pady'] = '1m' unless keys.key?('pady')
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keys['relief'] = 'raised' unless keys.key?('relief')
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args.push(keys)
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end
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super(*args)
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@press = false
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self.bind('Enter', proc{self.background(self.activebackground)})
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self.bind('Leave', proc{
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@press = false
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self.background(self.highlightbackground)
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self.relief('raised')
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})
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self.bind('ButtonPress-1', proc{@press = true; self.relief('sunken')})
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self.bind('ButtonRelease-1', proc{
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self.relief('raised')
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@command.call if @press && @command
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@press = false
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})
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end
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def command(cmd = Proc.new)
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@command = cmd
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end
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def invoke
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if @command
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@command.call
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else
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''
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end
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end
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end
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TkLabel.new(:text=><<EOT).pack
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This is a sample of 'event binding'.
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The first button is a normal button widget.
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And the second one is a normal label widget
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but with some bindings like a button widget.
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EOT
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lbl = TkLabel.new(:foreground=>'red').pack(:pady=>3)
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v = TkVariable.new(0)
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TkFrame.new{|f|
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TkLabel.new(f, :text=>'click count : ').pack(:side=>:left)
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TkLabel.new(f, :textvariable=>v).pack(:side=>:left)
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}.pack
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TkButton.new(:text=>'normal Button widget',
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:command=>proc{
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puts 'button is clicked!!'
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lbl.text 'button is clicked!!'
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v.numeric += 1
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}){
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pack(:fill=>:x, :expand=>true)
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}
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Button_clone.new(:text=>'Label with Button binding',
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:command=>proc{
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puts 'label is clicked!!'
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lbl.text 'label is clicked!!'
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v.numeric += 1
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}){
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pack(:fill=>:x, :expand=>true)
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}
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Tk.mainloop
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