mirror of
https://github.com/ruby/ruby.git
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287a34ae0d
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@22784 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
215 lines
8.9 KiB
Ruby
215 lines
8.9 KiB
Ruby
#
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# menus widget demo (called by 'widget')
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#
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# toplevel widget
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if defined?($menu84_demo) && $menu84_demo
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$menu84_demo.destroy
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$menu84_demo = nil
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end
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# demo toplevel widget
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$menu84_demo = TkToplevel.new {|w|
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title("File Selection Dialogs")
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iconname("menu84")
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positionWindow(w)
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}
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base_frame = TkFrame.new($menu84_demo).pack(:fill=>:both, :expand=>true)
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begin
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windowingsystem = Tk.windowingsystem()
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rescue
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windowingsystem = ""
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end
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# label
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TkLabel.new(base_frame,'font'=>$font,'wraplength'=>'4i','justify'=>'left') {
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if $tk_platform['platform'] == 'macintosh' ||
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windowingsystem == "classic" || windowingsystem == "aqua"
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text("This window contains a menubar with cascaded menus. You can invoke entries with an accelerator by typing Command+x, where \"x\" is the character next to the command key symbol. The rightmost menu can be torn off into a palette by dragging outside of its bounds and releasing the mouse.")
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else
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text("This window contains a menubar with cascaded menus. You can post a menu from the keyboard by typing Alt+x, where \"x\" is the character underlined on the menu. You can then traverse among the menus using the arrow keys. When a menu is posted, you can invoke the current entry by typing space, or you can invoke any entry by typing its underlined character. If a menu entry has an accelerator, you can invoke the entry without posting the menu just by typing the accelerator. The rightmost menu can be torn off into a palette by selecting the first item in the menu.")
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end
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}.pack('side'=>'top')
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menustatus = TkVariable.new(" ")
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TkFrame.new(base_frame) {|frame|
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TkLabel.new(frame, 'textvariable'=>menustatus, 'relief'=>'sunken',
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'bd'=>1, 'font'=>['Helvetica', '10'],
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'anchor'=>'w').pack('side'=>'left', 'padx'=>2,
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'expand'=>true, 'fill'=>'both')
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pack('side'=>'bottom', 'fill'=>'x', 'pady'=>2)
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}
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# frame
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TkFrame.new(base_frame) {|frame|
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TkButton.new(frame) {
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text 'Dismiss'
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command proc{
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tmppath = $menu84_demo
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$menu84_demo = nil
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tmppath.destroy
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}
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}.pack('side'=>'left', 'expand'=>'yes')
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TkButton.new(frame) {
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text 'Show Code'
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command proc{showCode 'menu84'}
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}.pack('side'=>'left', 'expand'=>'yes')
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}.pack('side'=>'bottom', 'fill'=>'x', 'pady'=>'2m')
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# create menu frame
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$menu84_frame = TkMenu.new($menu84_demo, 'tearoff'=>false)
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# menu
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TkMenu.new($menu84_frame, 'tearoff'=>false) {|m|
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$menu84_frame.add('cascade', 'label'=>'File', 'menu'=>m, 'underline'=>0)
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add('command', 'label'=>'Open...', 'command'=>proc{fail 'this is just a demo: no action has been defined for the "Open..." entry'})
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add('command', 'label'=>'New', 'command'=>proc{fail 'this is just a demo: no action has been defined for the "New" entry'})
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add('command', 'label'=>'Save', 'command'=>proc{fail 'this is just a demo: no action has been defined for the "Save" entry'})
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add('command', 'label'=>'Save As...', 'command'=>proc{fail 'this is just a demo: no action has been defined for the "Save As..." entry'})
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add('separator')
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add('command', 'label'=>'Print Setup...', 'command'=>proc{fail 'this is just a demo: no action has been defined for the "Print Setup..." entry'})
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add('command', 'label'=>'Print...', 'command'=>proc{fail 'this is just a demo: no action has been defined for the "Print..." entry'})
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add('separator')
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add('command', 'label'=>'Dismiss Menus Demo', 'command'=>proc{$menu84_demo.destroy})
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}
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if $tk_platform['platform'] == 'macintosh' ||
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windowingsystem = "classic" || windowingsystem = "aqua"
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modifier = 'Command'
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elsif $tk_platform['platform'] == 'windows'
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modifier = 'Control'
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else
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modifier = 'Meta'
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end
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TkMenu.new($menu84_frame, 'tearoff'=>false) {|m|
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$menu84_frame.add('cascade', 'label'=>'Basic', 'menu'=>m, 'underline'=>0)
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add('command', 'label'=>'Long entry that does nothing')
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['A','B','C','D','E','F','G'].each{|c|
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add('command', 'label'=>"Print letter \"#{c}\"",
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'underline'=>14, 'accelerator'=>"Meta+#{c}",
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'command'=>proc{print c,"\n"}, 'accelerator'=>"#{modifier}+#{c}")
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$menu84_demo.bind("#{modifier}-#{c.downcase}", proc{print c,"\n"})
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}
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}
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TkMenu.new($menu84_frame, 'tearoff'=>false) {|m|
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$menu84_frame.add('cascade', 'label'=>'Cascades', 'menu'=>m, 'underline'=>0)
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add('command', 'label'=>'Print hello',
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'command'=>proc{print "Hello\n"},
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'accelerator'=>"#{modifier}+H", 'underline'=>6)
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$menu84_demo.bind("#{modifier}-h", proc{print "Hello\n"})
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add('command', 'label'=>'Print goodbye',
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'command'=>proc{print "Goodbye\n"},
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'accelerator'=>"#{modifier}+G", 'underline'=>6)
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$menu84_demo.bind("#{modifier}-g", proc{print "Goodbye\n"})
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TkMenu.new(m, 'tearoff'=>false) {|cascade_check|
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m.add('cascade', 'label'=>'Check buttons',
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'menu'=>cascade_check, 'underline'=>0)
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oil = TkVariable.new(0)
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add('check', 'label'=>'Oil checked', 'variable'=>oil)
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trans = TkVariable.new(0)
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add('check', 'label'=>'Transmission checked', 'variable'=>trans)
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brakes = TkVariable.new(0)
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add('check', 'label'=>'Brakes checked', 'variable'=>brakes)
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lights = TkVariable.new(0)
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add('check', 'label'=>'Lights checked', 'variable'=>lights)
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add('separator')
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add('command', 'label'=>'Show current values',
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'command'=>proc{showVars($menu84_demo,
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['oil', oil],
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['trans', trans],
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['brakes', brakes],
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['lights', lights])} )
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invoke 1
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invoke 3
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}
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TkMenu.new(m, 'tearoff'=>false) {|cascade_radio|
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m.add('cascade', 'label'=>'Radio buttons',
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'menu'=>cascade_radio, 'underline'=>0)
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pointSize = TkVariable.new
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add('radio', 'label'=>'10 point', 'variable'=>pointSize, 'value'=>10)
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add('radio', 'label'=>'14 point', 'variable'=>pointSize, 'value'=>14)
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add('radio', 'label'=>'18 point', 'variable'=>pointSize, 'value'=>18)
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add('radio', 'label'=>'24 point', 'variable'=>pointSize, 'value'=>24)
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add('radio', 'label'=>'32 point', 'variable'=>pointSize, 'value'=>32)
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add('separator')
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style = TkVariable.new
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add('radio', 'label'=>'Roman', 'variable'=>style, 'value'=>'roman')
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add('radio', 'label'=>'Bold', 'variable'=>style, 'value'=>'bold')
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add('radio', 'label'=>'Italic', 'variable'=>style, 'value'=>'italic')
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add('separator')
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add('command', 'label'=>'Show current values',
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'command'=>proc{showVars($menu84_demo,
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['pointSize', pointSize],
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['style', style])} )
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invoke 1
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invoke 7
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}
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}
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TkMenu.new($menu84_frame, 'tearoff'=>false) {|m|
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$menu84_frame.add('cascade', 'label'=>'Icons', 'menu'=>m, 'underline'=>0)
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add('command', 'hidemargin'=>1,
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'bitmap'=>'@'+[$demo_dir,'..',
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'images','pattern.xbm'].join(File::Separator),
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'command'=>proc{TkDialog.new('title'=>'Bitmap Menu Entry',
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'text'=>'The menu entry you invoked displays a bitmap rather than a text string. Other than this, it is just like any other menu entry.',
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'bitmap'=>'', 'default'=>0,
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'buttons'=>'Dismiss')} )
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['info', 'questhead', 'error'].each{|icon|
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add('command', 'bitmap'=>icon, 'hidemargin'=>1,
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'command'=>proc{print "You invoked the #{icon} bitmap\n"})
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}
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entryconfigure(2, :columnbreak=>true)
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}
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TkMenu.new($menu84_frame, 'tearoff'=>false) {|m|
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$menu84_frame.add('cascade', 'label'=>'More', 'menu'=>m, 'underline'=>0)
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[ 'An entry','Another entry','Does nothing','Does almost nothing',
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'Make life meaningful' ].each{|i|
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add('command', 'label'=>i,
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'command'=>proc{print "You invoked \"#{i}\"\n"})
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}
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m.entryconfigure('Does almost nothing',
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'bitmap'=>'questhead', 'compound'=>'left',
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'command'=>proc{
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TkDialog.new('title'=>'Compound Menu Entry',
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'message'=>'The menu entry you invoked'+
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'displays both a bitmap and '+
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'a text string. Other than '+
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'this, it isjust like any '+
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'other menu entry.',
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'buttons'=>['OK'], 'bitmap'=>'')
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})
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}
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TkMenu.new($menu84_frame) {|m|
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$menu84_frame.add('cascade', 'label'=>'Colors', 'menu'=>m, 'underline'=>0)
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['red', 'orange', 'yellow', 'green', 'blue'].each{|c|
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add('command', 'label'=>c, 'background'=>c,
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'command'=>proc{print "You invoked \"#{c}\"\n"})
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}
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}
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$menu84_demo.menu($menu84_frame)
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TkMenu.bind('<MenuSelect>', proc{|w|
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begin
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label = w.entrycget('active', 'label')
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rescue
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label = " "
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end
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menustatus.value = label
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Tk.update(true)
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}, '%W')
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