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#
# widget demo 'load image' (called by 'widget')
#
# toplevel widget ¤¬Â¸ºß¤¹¤ì¤Ðºï½ü¤¹¤ë
if defined?($image2_demo) && $image2_demo
$image2_demo.destroy
$image2_demo = nil
end
# demo ÍѤΠtoplevel widget ¤òÀ¸À®
$image2_demo = TkToplevel.new {|w|
title('Image Demonstration #2')
iconname("Image2")
positionWindow(w)
}
# label À¸À®
msg = TkLabel.new($image2_demo) {
font $font
wraplength '4i'
justify 'left'
text "¤³¤Î¥Ç¥â¤Ç¤ÏTk¤Î photo image ¤ò»ÈÍѤ·¤Æ²èÁü¤ò¸«¤ë¤³¤È¤¬¤Ç¤¤Þ¤¹¡£ºÇ½é¤Ë¥¨¥ó¥È¥êÆâ¤Ë¤Ë¥Ç¥£¥ì¥¯¥È¥ê̾¤òÆþ¤ì¤Æ²¼¤µ¤¤¡£¼¡¤Ë²¼¤Î¥ê¥¹¥È¥Ü¥Ã¥¯¥¹¤Ë¤³¤Î¥Ç¥£¥ì¥¯¥È¥ê¤ò¥í¡¼¥É¤¹¤ë¤¿¤á¡¢¥ê¥¿¡¼¥ó¤ò²¡¤·¤Æ¤¯¤À¤µ¤¤¡£¤½¤Î¸å¡¢²èÁü¤òÁªÂò¤¹¤ë¤¿¤á¤Ë¥ê¥¹¥È¥Ü¥Ã¥¯¥¹¤ÎÃæ¤Î¥Õ¥¡¥¤¥ë̾¤ò¥À¥Ö¥ë¥¯¥ê¥Ã¥¯¤·¤Æ²¼¤µ¤¤¡£"
}
msg.pack('side'=>'top')
# frame À¸À®
TkFrame.new($image2_demo) {|frame|
TkButton.new(frame) {
#text 'λ²ò'
text 'ÊĤ¸¤ë'
command proc{
tmppath = $image2_demo
$image2_demo = nil
tmppath.destroy
}
}.pack('side'=>'left', 'expand'=>'yes')
TkButton.new(frame) {
text '¥³¡¼¥É»²¾È'
command proc{showCode 'image2'}
}.pack('side'=>'left', 'expand'=>'yes')
}.pack('side'=>'bottom', 'fill'=>'x', 'pady'=>'2m')
# ÊÑ¿ôÀ¸À®
$dirName = TkVariable.new([$demo_dir,'..','images'].join(File::Separator))
# image À¸À®
$image2a = TkPhotoImage.new
# ¥Õ¥¡¥¤¥ë̾ÆþÎÏÉô
TkLabel.new($image2_demo, 'text'=>'¥Ç¥£¥ì¥¯¥È¥ê:')\
.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($image2_demo, 'text'=>'¥Õ¥¡¥¤¥ë:')\
.pack('side'=>'top', 'anchor'=>'w')
TkFrame.new($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 $image2a,l,x,y}, '%x %y')
image2_e.bind 'Return', proc{loadDir l}
}.pack('side'=>'top', 'anchor'=>'w')
# image ÇÛÃÖ
[ TkFrame.new($image2_demo, 'height'=>'3m', 'width'=>20),
TkLabel.new($image2_demo, 'text'=>'²èÁü:'),
TkLabel.new($image2_demo, 'image'=>$image2a)
].each{|w| w.pack('side'=>'top', 'anchor'=>'w')}
# ¥á¥½¥Ã¥ÉÄêµÁ
def loadDir(w)
w.delete(0,'end')
Dir.glob([$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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