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11974f26b3
a Tcl/Tk's console window. * ext/tk/lib/multi-tk.rb: support TclTkIp#_create_console() method. * ext/tk/lib/remote-tk.rb: ditto. * ext/tk/lib/tk/console.rb: ditto. * ext/tk/lib/tk.rb: update RELEASE_DATE * ext/tk/sample/demo-*/check2.rb: use 'return' in the Proc object. * ext/tk/sample/tkextlib/**: ditto. git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@8212 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
107 lines
3.5 KiB
Ruby
107 lines
3.5 KiB
Ruby
#
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# checkbutton widget demo2 (called by 'widget')
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#
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# toplevel widget が存在すれば削除する
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if defined?($check2_demo) && $check2_demo
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$check2_demo.destroy
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$check2_demo = nil
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end
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# demo 用の toplevel widget を生成
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$check2_demo = TkToplevel.new {|w|
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title("Checkbutton Demonstration 2")
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iconname("check2")
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positionWindow(w)
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}
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# label 生成
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msg = TkLabel.new($check2_demo) {
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font $font
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wraplength '4i'
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justify 'left'
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text "下には４つのチェックボタンが表示されています。クリックするとボタンの選択状態が変わり、Tcl変数（TkVariableオブジェクトでアクセスできます）にそのボタンの状態を示す値を設定します。最初のボタンの状態は他の３つのボタンの状態にも依存して変化します。もし３つのボタンの一部だけにチェックが付けられている場合、最初のボタンはトライステート（３状態）モードでの表示を行います。現在の変数の値を見るには「変数参照」ボタンをクリックしてください。"
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}
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msg.pack('side'=>'top')
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# 変数生成
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safety = TkVariable.new(0)
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wipers = TkVariable.new(0)
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brakes = TkVariable.new(0)
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sober = TkVariable.new(0)
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# frame 生成
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TkFrame.new($check2_demo) {|frame|
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TkGrid(TkFrame.new(frame, :height=>2, :relief=>:sunken, :bd=>2),
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:columnspan=>4, :row=>0, :sticky=>'ew', :pady=>2)
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TkGrid('x',
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TkButton.new(frame, :text=>'変数参照',
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:image=>$image['view'], :compound=>:left,
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:command=>proc{
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showVars($check2_demo,
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['safety', safety], ['wipers', wipers],
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['brakes', brakes], ['sober', sober])
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}),
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TkButton.new(frame, :text=>'コード参照',
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:image=>$image['view'], :compound=>:left,
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:command=>proc{showCode 'check2'}),
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TkButton.new(frame, :text=>'閉じる',
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:image=>$image['delete'], :compound=>:left,
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:command=>proc{
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tmppath = $check2_demo
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$check2_demo = nil
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$showVarsWin[tmppath.path] = nil
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tmppath.destroy
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}),
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:padx=>4, :pady=>4)
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frame.grid_columnconfigure(0, :weight=>1)
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}.pack('side'=>'bottom', 'fill'=>'x')
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# checkbutton 生成
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TkCheckButton.new($check2_demo, :text=>'安全性検査', :variable=>safety,
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:relief=>:flat, :onvalue=>'all', :offvalue=>'none',
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:tristatevalue=>'partial'){
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pack('side'=>'top', 'pady'=>2, 'anchor'=>'w')
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}
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[ TkCheckButton.new($check2_demo, 'text'=>'ワイパー OK', 'variable'=>wipers),
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TkCheckButton.new($check2_demo, 'text'=>'ブレーキ OK', 'variable'=>brakes),
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TkCheckButton.new($check2_demo, 'text'=>'運転手 素面', 'variable'=>sober)
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].each{|w|
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w.relief('flat')
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w.pack('side'=>'top', 'padx'=>15, 'pady'=>2, 'anchor'=>'w')
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}
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# tristate check
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in_check = false
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tristate_check = proc{|n1,n2,op|
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unless in_check
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in_check = true
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begin
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if n1 == safety
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if safety == 'none'
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wipers.value = 0
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brakes.value = 0
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sober.value = 0
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elsif safety == 'all'
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wipers.value = 1
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brakes.value = 1
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sober.value = 1
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end
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else
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if wipers == 1 && brakes == 1 && sober == 1
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safety.value = 'all'
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elsif wipers == 1 || brakes == 1 || sober == 1
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safety.value = 'partial'
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else
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safety.value = 'none'
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end
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end
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ensure
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in_check = false
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end
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end
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}
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[wipers, brakes, sober, safety].each{|v| v.trace('w', tristate_check)}
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