mirror of
https://github.com/ruby/ruby.git
synced 2022-11-09 12:17:21 -05:00
287a34ae0d
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@22784 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
177 lines
5.7 KiB
Ruby
177 lines
5.7 KiB
Ruby
# -*- coding: euc-jp -*-
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#
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# animated label widget demo (called by 'widget')
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#
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# based on Tcl/Tk8.5a2 widget demos
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# toplevel widget が存在すれば削除する
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if defined?($anilabel_demo) && $anilabel_demo
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$anilabel_demo.destroy
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$anilabel_demo = nil
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end
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# demo 用の toplevel widget を生成
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$anilabel_demo = TkToplevel.new {|w|
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title("Animated Label Demonstration")
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iconname("anilabel")
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positionWindow(w)
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}
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base_frame = TkFrame.new($anilabel_demo).pack(:fill=>:both, :expand=>true)
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# label 生成
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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 "下には4つのアニメーションラベルが表示されています。左側にあるラベルは、内部のテキストメッセージをスクロールしたように見せることで動きを付けています。右側のラベルは、表示するイメージを変化させることで動きを与えています。"
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}
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msg.pack('side'=>'top')
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# frame 生成
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TkFrame.new(base_frame) {|frame|
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TkButton.new(frame) {
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#text '了解'
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text '閉じる'
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command proc{
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tmppath = $anilabel_demo
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$anilabel_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 'コード参照'
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command proc{showCode 'anilabel'}
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}.pack('side'=>'left', 'expand'=>'yes')
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}.pack('side'=>'bottom', 'fill'=>'x', 'pady'=>'2m')
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# label demo 用フレーム生成
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f_left = TkLabelFrame.new(base_frame, :text=>'Scrolling Texts')
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f_right = TkLabelFrame.new(base_frame, :text=>'GIF Image')
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Tk.pack(f_left, f_right, 'side'=>'left', 'expand'=>'yes', 'fill'=>'both',
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'padx'=>10, 'pady'=>10)
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# animated label
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class AnimatedTextLabel < TkLabel
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def initialize(*args)
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super(*args)
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@timer = TkTimer.new{ _animation_callback }
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@timer.loop_exec = -1
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# bind('Destroy'){ @timer.stop }
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@btag = TkBindTag.new('Destroy'){ @timer.stop }
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self.bindtags_unshift(@btag)
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end
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def _animation_callback()
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txt = self.text
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self.text = (txt[1..-1] << txt[0])
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end
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private :_animation_callback
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def start(interval)
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@timer.set_interval(interval)
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@timer.start
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end
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def stop
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@timer.stop
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end
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end
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# animated image
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class AnimatedImageLabel < AnimatedTextLabel
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def initialize(*args)
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super(*args)
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@destroy_image = false
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@btag.bind_append('Destroy'){
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if @destroy_image
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begin
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self.image.delete
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rescue
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end
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end
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}
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end
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attr_accessor :destroy_image
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def _animation_callback()
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img = self.image
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fmt = img.format
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if fmt.kind_of?(Array)
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if fmt[1].kind_of?(Hash)
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# fmt == ['GIF', {'index'=>idx}]
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idx = fmt[1]['index']
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else
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# fmt == ['GIF', '-index', idx] :: Ruby1.8.2 returns this.
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idx = fmt[2]
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end
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elsif fmt.kind_of?(String) && fmt =~ /GIF -index (\d+)/
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idx = $1.to_i
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else
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idx = -1
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end
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begin
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img.format("GIF -index #{idx + 1}")
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rescue => e
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img.format("GIF -index 0")
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end
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end
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private :_animation_callback
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end
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# label 生成
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l1 = AnimatedTextLabel.new(f_left, :borderwidth=>4, :relief=>:ridge,
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:font=>{:family=>'Courier', :size=>10})
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l2 = AnimatedTextLabel.new(f_left, :borderwidth=>4, :relief=>:groove,
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:font=>{:family=>'Courier', :size=>10})
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l3 = AnimatedTextLabel.new(f_left, :borderwidth=>4, :relief=>:flat,
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:font=>{:family=>'Courier', :size=>10}, :width=>18)
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Tk.pack(l1, l2, l3,
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:side=>:top, :expand=>true, :anchor=>:w, :padx=>10, :pady=>10)
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limg = AnimatedImageLabel.new(f_right, :borderwidth=>0)
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limg.pack(:side=>:top, :expand=>true, :padx=>10, :pady=>10)
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# base64-encoded animated GIF file
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tclPowerdData = <<EOD
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R0lGODlhKgBAAPQAAP//////zP//AP/MzP/Mmf/MAP+Zmf+ZZv+ZAMz//8zM
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zMyZmcyZZsxmZsxmAMwzAJnMzJmZzJmZmZlmmZlmZplmM5kzM2aZzGZmzGZm
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mWZmZmYzZmYzMzNmzDMzZgAzmSH+IE1hZGUgd2l0aCBHSU1QIGJ5IExARGVt
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YWlsbHkuY29tACH5BAVkAAEALAAAAAAqAEAAAAX+YCCOZEkyTKM2jOm66yPP
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dF03bx7YcuHIDkGBR7SZeIyhTID4FZ+4Es8nQyCe2EeUNJ0peY2s9mi7PhAM
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ngEAMGRbUpvzSxskLh1J+Hkg134OdDIDEB+GHxtYMEQMTjMGEYeGFoomezaC
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DZGSHFmLXTQKkh8eNQVpZ2afmDQGHaOYSoEyhhcklzVmMpuHnaZmDqiGJbg0
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qFqvh6UNAwB7VA+OwydEjgujkgrPNhbTI8dFvNgEYcHcHx0lB1kX2IYeA2G6
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NN0YfkXJ2BsAMuAzHB9cZMk3qoEbRzUACsRCUBK5JxsC3iMiKd8GN088SIyT
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0RAFSROyeEg38caDiB/+JEgqxsODrZJ1BkT0oHKSmI0ceQxo94HDpg0qsuDk
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UmRAMgu8OgwQ+uIJgUMVeGXA+IQkzEeHGvD8cIGlDXsLiRjQ+EHroQhea7xY
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8IQBSgYYDi1IS+OFBCgaDMGVS3fGi5BPJpBaENdQ0EomKGD56IHwO39EXiSC
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Ysgxor5+Xfgq0qByYUpiXmwuoredB2aYH4gWWda0B7SeNENpEJHC1ghi+pS4
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AJpIAwWvKPBi+8YEht5EriEqpFfMlhEdkBNpx0HUhwypx5T4IB1MBg/Ws2sn
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wV3MSQOkzI8fUd48Aw3dOZto71x85hHtHijYv18Gf/3GqCdDCXHNoICBobSo
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IqBqJLyCoH8JPrLgdh88CKCFD0CGmAiGYPgffwceZh6FC2ohIIklnkhehTNY
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4CIHHGzgwYw01ujBBhvAqKOLLq5AAk9kuSPkkKO40NB+h1gnypJIIvkBf09a
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N5QIRz5p5ZJXJpmlIVhOGQA2TmIJZZhKKmmll2BqyWSXWUrZpQtpatlmk1c2
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KaWRHeTZEJF8SqLDn/hhsOeQgBbqAh6DGqronxeARUIIACH5BAUeAAAALAUA
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LgAFAAUAAAUM4CeKz/OV5YmqaRkCACH5BAUeAAEALAUALgAKAAUAAAUUICCK
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z/OdJVCaa7p+7aOWcDvTZwgAIfkEBR4AAQAsCwAuAAkABQAABRPgA4zP95zA
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eZqoWqqpyqLkZ38hACH5BAUKAAEALAcALgANAA4AAAU7ICA+jwiUJEqeKau+
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r+vGaTmac63v/GP9HM7GQyx+jsgkkoRUHJ3Qx0cK/VQVTKtWwbVKn9suNunc
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WkMAIfkEBQoAAAAsBwA3AAcABQAABRGgIHzk842j+Yjlt5KuO8JmCAAh+QQF
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CgAAACwLADcABwAFAAAFEeAnfN9TjqP5oOWziq05lmUIACH5BAUKAAAALA8A
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NwAHAAUAAAUPoPCJTymS3yiQj4qOcPmEACH5BAUKAAAALBMANwAHAAUAAAUR
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oCB+z/MJX2o+I2miKimiawgAIfkEBQoAAAAsFwA3AAcABQAABRGgIHzfY47j
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Q4qk+aHl+pZmCAAh+QQFCgAAACwbADcABwAFAAAFEaAgfs/zCV9qPiNJouo7
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ll8IACH5BAUKAAAALB8ANwADAAUAAAUIoCB8o0iWZggAOw==
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EOD
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l1.text('* Slow Animation *').start(300)
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l2.text('* Fast Animation *').start(80)
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l3.text('This is a longer scrolling text in a widget that will not show the whole message at once. ').start(150)
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limg.destroy_image = true
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limg.image(TkPhotoImage.new(:format=>'GIF', :data=>tclPowerdData)).start(100)
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