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#
# widget demo 'load image' (called by 'widget')
#
# toplevel widget ¸ߤк
if defined?($image2_demo) && $image2_demo
$image2_demo.destroy
$image2_demo = nil
end
# demo Ѥ toplevel widget
$image2_demo = TkToplevel.new {|w|
title('Image Demonstration #2')
iconname("Image2")
positionWindow(w)
}
# label
msg = TkLabel.new($image2_demo) {
font $font
wraplength '4i'
justify 'left'
text "ΥǥǤTk photo image ѤƲ뤳ȤǤޤǽ˥ȥˤ˥ǥ쥯ȥ̾Ʋ˲ΥꥹȥܥåˤΥǥ쥯ȥɤ뤿ᡢƤθ塢뤿˥ꥹȥܥåΥե֥̾륯åƲ"
}
msg.pack('side'=>'top')
# frame
TkFrame.new($image2_demo) {|frame|
TkButton.new(frame) {
#text 'λ'
text 'Ĥ'
command proc{
tmppath = $image2_demo
$image2_demo = nil
tmppath.destroy
}
}.pack('side'=>'left', 'expand'=>'yes')
TkButton.new(frame) {
text 'ɻ'
command proc{showCode 'image2'}
}.pack('side'=>'left', 'expand'=>'yes')
}.pack('side'=>'bottom', 'fill'=>'x', 'pady'=>'2m')
# ѿ
$dirName = TkVariable.new([$demo_dir,'..','images'].join(File::Separator))
# image
$image2a = TkPhotoImage.new
# ե̾
TkLabel.new($image2_demo, 'text'=>'ǥ쥯ȥ:')\
.pack('side'=>'top', 'anchor'=>'w')
image2_e = TkEntry.new($image2_demo) {
width 30
textvariable $dirName
}.pack('side'=>'top', 'anchor'=>'w')
TkFrame.new($image2_demo, 'height'=>'3m', 'width'=>20)\
.pack('side'=>'top', 'anchor'=>'w')
TkLabel.new($image2_demo, 'text'=>'ե:')\
.pack('side'=>'top', 'anchor'=>'w')
TkFrame.new($image2_demo){|w|
s = TkScrollbar.new(w)
l = TkListbox.new(w) {
width 20
height 10
yscrollcommand proc{|first,last| s.set first,last}
}
s.command(proc{|*args| l.yview(*args)})
l.pack('side'=>'left', 'expand'=>'yes', 'fill'=>'y')
s.pack('side'=>'left', 'expand'=>'yes', 'fill'=>'y')
#l.insert(0,'earth.gif', 'earthris.gif', 'mickey.gif', 'teapot.ppm')
l.insert(0,'earth.gif', 'earthris.gif', 'teapot.ppm')
l.bind('Double-1', proc{|x,y| loadImage $image2a,l,x,y}, '%x %y')
image2_e.bind 'Return', proc{loadDir l}
}.pack('side'=>'top', 'anchor'=>'w')
# image
[ TkFrame.new($image2_demo, 'height'=>'3m', 'width'=>20),
TkLabel.new($image2_demo, 'text'=>':'),
TkLabel.new($image2_demo, 'image'=>$image2a)
].each{|w| w.pack('side'=>'top', 'anchor'=>'w')}
# å
def loadDir(w)
w.delete(0,'end')
Dir.glob([$dirName,'*'].join(File::Separator)).sort.each{|f|
w.insert('end',File.basename(f))
}
end
def loadImage(img,w,x,y)
img.file([$dirName, w.get("@#{x},#{y}")].join(File::Separator))
end
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