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105 lines
3 KiB
Ruby
105 lines
3 KiB
Ruby
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# sayings.rb
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#
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# This demonstration script creates a listbox that can be scrolled
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# both horizontally and vertically. It displays a collection of
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# well-known sayings.
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#
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# listbox widget demo 'sayings' (called by 'widget')
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#
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# toplevel widget
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if defined?($sayings_demo) && $sayings_demo
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$sayings_demo.destroy
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$sayings_demo = nil
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end
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# demo toplevel widget
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$sayings_demo = TkToplevel.new {|w|
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title("Listbox Demonstration (well-known sayings)")
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iconname("sayings")
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positionWindow(w)
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}
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# label
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msg = TkLabel.new($sayings_demo) {
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font $font
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wraplength '4i'
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justify 'left'
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text "The listbox below contains a collection of well-known sayings. You can scan the list using either of the scrollbars or by dragging in the listbox window with button 2 pressed."
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}
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msg.pack('side'=>'top')
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# frame
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TkFrame.new($sayings_demo) {|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 = $sayings_demo
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$sayings_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 'sayings'}
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}.pack('side'=>'left', 'expand'=>'yes')
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}.pack('side'=>'bottom', 'fill'=>'x', 'pady'=>'2m')
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# frame
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sayings_lbox = nil
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TkFrame.new($sayings_demo, 'borderwidth'=>10) {|w|
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sv = TkScrollbar.new(w)
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sh = TkScrollbar.new(w, 'orient'=>'horizontal')
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sayings_lbox = TkListbox.new(w) {
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setgrid 1
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width 20
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height 10
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yscrollcommand proc{|first,last| sv.set first,last}
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xscrollcommand proc{|first,last| sh.set first,last}
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}
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sv.command(proc{|*args| sayings_lbox.yview(*args)})
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sh.command(proc{|*args| sayings_lbox.xview(*args)})
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if $tk_version =~ /^4\.[01]/
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sv.pack('side'=>'right', 'fill'=>'y')
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sh.pack('side'=>'bottom', 'fill'=>'x')
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sayings_lbox.pack('expand'=>'yes', 'fill'=>'y')
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else
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sayings_lbox.grid('row'=>0, 'column'=>0,
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'rowspan'=>1, 'columnspan'=>1, 'sticky'=>'news')
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sv.grid('row'=>0, 'column'=>1,
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'rowspan'=>1, 'columnspan'=>1, 'sticky'=>'news')
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sh.grid('row'=>1, 'column'=>0,
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'rowspan'=>1, 'columnspan'=>1, 'sticky'=>'news')
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TkGrid.rowconfigure(w, 0, 'weight'=>1, 'minsize'=>0)
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TkGrid.columnconfigure(w, 0, 'weight'=>1, 'minsize'=>0)
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end
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}.pack('side'=>'top', 'expand'=>'yes', 'fill'=>'y')
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sayings_lbox.insert(0,
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"Waste not, want not",
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"Early to bed and early to rise makes a man healthy, wealthy, and wise",
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"Ask not what your country can do for you, ask what you can do for your country",
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"I shall return",
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"NOT",
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"A picture is worth a thousand words",
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"User interfaces are hard to build",
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"Thou shalt not steal",
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"A penny for your thoughts",
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"Fool me once, shame on you; fool me twice, shame on me",
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"Every cloud has a silver lining",
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"Where there's smoke there's fire",
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"It takes one to know one",
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"Curiosity killed the cat; but satisfaction brought it back",
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"Take this job and shove it",
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"Up a creek without a paddle",
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"I'm mad as hell and I'm not going to take it any more",
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"An apple a day keeps the doctor away",
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"Don't look a gift horse in the mouth"
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)
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