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# -*- coding: euc-jp -*-
#
# widget demo 'load image' (called by 'widget')
#
# toplevel widget ��¸�ߤ���к������
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 $font
wraplength '4i'
justify 'left'
text "���Υǥ�Ǥ�Tk�� photo image ����Ѥ��Ʋ����뤳�Ȥ��Ǥ��ޤ����ǽ�˥���ȥ���ˤ˥ǥ��쥯�ȥ�̾������Ʋ����������˲��Υꥹ�ȥܥå����ˤ��Υǥ��쥯�ȥ������ɤ��뤿�ᡢ�������Ƥ������������θ塢���������뤿��˥ꥹ�ȥܥå�������Υե�����̾����֥륯��å����Ʋ�������"
}
msg.pack('side'=>'top')
# frame ����
TkFrame.new($image2_demo) {|frame|
TkButton.new(frame) {
#text '�'
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 ����
$image2a = TkPhotoImage.new
# �ե�����̾������
TkLabel.new($image2_demo, 'text'=>'�ǥ��쥯�ȥ�:')\
.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'=>$image2a)
].each{|w| w.pack('side'=>'top', 'anchor'=>'w')}
# �����
def loadDir(w)
w.delete(0,'end')
Dir.glob([$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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