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98e3c058fa
* ext/tk/lib/tk.rb: wiget => widget
* ext/tk/sample/demos-en/{floor.rb,floor2.rb,puzzle.rb}: widet => widget
* ext/tk/sample/demos-en/textpeer.rb: Wdget => widget
* ext/tk/sample/demos-jp/puzzle.rb: widet => widget
* ext/tk/sample/demos-jp/textpeer.rb: Wdget => widget
* ext/tk/sample/tkextlib/bwidget/basic.rb: widtet => widget
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@53331 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
135 lines
3.3 KiB
Ruby
135 lines
3.3 KiB
Ruby
# frozen_string_literal: false
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# puzzle.rb
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#
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# This demonstration script creates a 15-puzzle game using a collection
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# of buttons.
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#
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# widget demo 'puzzle' (called by 'widget')
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#
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# toplevel widget
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if defined?($puzzle_demo) && $puzzle_demo
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$puzzle_demo.destroy
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$puzzle_demo = nil
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end
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# demo toplevel widget
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$puzzle_demo = TkToplevel.new {|w|
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title("15-Puzzle Demonstration")
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iconname("15-Puzzle")
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positionWindow(w)
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}
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base_frame = TkFrame.new($puzzle_demo).pack(:fill=>:both, :expand=>true)
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# label
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msg = TkLabel.new(base_frame) {
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font $font
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wraplength '4i'
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justify 'left'
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text "A 15-puzzle appears below as a collection of buttons. Click on any of the pieces next to the space, and that piece will slide over the space. Continue this until the pieces are arranged in numerical order from upper-left to lower-right."
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}
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msg.pack('side'=>'top')
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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 = $puzzle_demo
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$puzzle_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 'puzzle'}
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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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# Special trick: select a darker color for the space by creating a
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# scrollbar widget and using its trough color.
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begin
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if Tk.windowingsystem() == 'aqua'
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frameWidth = 168
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frameHeight = 168
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elsif Tk.default_widget_set == :Ttk
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frameWidth = 148
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frameHeight = 124
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else
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frameWidth = 120
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frameHeight = 120
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end
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rescue
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frameWidth = 120
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frameHeight = 120
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end
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# depend_on_button_width = true
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depend_on_button_width = false
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s = TkScrollbar.new(base_frame)
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base = TkFrame.new(base_frame) {
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width frameWidth
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height frameHeight
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borderwidth 2
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relief 'sunken'
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bg s['troughcolor']
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}
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s.destroy
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base.pack('side'=>'top', 'padx'=>'1c', 'pady'=>'1c')
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def def_puzzleswitch_proc(w, num)
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proc{puzzleSwitch w, num}
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end
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$xpos = {}
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$ypos = {}
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order = [3,1,6,2,5,7,15,13,4,11,8,9,14,10,12]
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(0..14).each{|i|
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num = order[i]
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$xpos[num] = (i % 4) * 0.25
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$ypos[num] = (i / 4) * 0.25
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TkButton.new(base) {|w|
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relief 'raised'
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text num
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highlightthickness 0
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command def_puzzleswitch_proc(w, num)
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if depend_on_button_width && (w.winfo_reqwidth * 4 > base.width)
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base.width = w.winfo_reqwidth * 4
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end
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}.place('relx'=>$xpos[num], 'rely'=>$ypos[num],
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'relwidth'=>0.25, 'relheight'=>0.25)
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}
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$xpos['space'] = 0.75
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$ypos['space'] = 0.75
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# puzzleSwitch --
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# This procedure is invoked when the user clicks on a particular button;
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# if the button is next to the empty space, it moves the button into the
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# empty space.
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def puzzleSwitch(w, num)
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if ( ($ypos[num] >= ($ypos['space'] - 0.01)) \
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&& ($ypos[num] <= ($ypos['space'] + 0.01)) \
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&& ($xpos[num] >= ($xpos['space'] - 0.26)) \
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&& ($xpos[num] <= ($xpos['space'] + 0.26))) \
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|| (($xpos[num] >= ($xpos['space'] - 0.01)) \
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&& ($xpos[num] <= ($xpos['space'] + 0.01)) \
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&& ($ypos[num] >= ($ypos['space'] - 0.26)) \
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&& ($ypos[num] <= ($ypos['space'] + 0.26)))
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tmp = $xpos['space']
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$xpos['space'] = $xpos[num]
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$xpos[num] = tmp
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tmp = $ypos['space']
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$ypos['space'] = $ypos[num]
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$ypos[num] = tmp
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w.place('relx'=>$xpos[num], 'rely'=>$ypos[num])
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end
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end
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