ruby--ruby/ext/tk/sample/demos-jp/text.rb

118 lines
3.6 KiB
Ruby

#
# text (basic facilities) widget demo (called by 'widget')
#
# toplevel widget が存在すれば削除する
if defined?($text_demo) && $text_demo
$text_demo.destroy
$text_demo = nil
end
# demo 用の toplevel widget を生成
$text_demo = TkToplevel.new {|w|
title("Text Demonstration - Basic Facilities")
iconname("text")
positionWindow(w)
}
# version check
if ((Tk::TK_VERSION.split('.').collect{|n| n.to_i} <=> [8,4]) < 0)
undo_support = false
else
undo_support = true
end
# frame 生成
TkFrame.new($text_demo) {|frame|
TkButton.new(frame) {
#text '了解'
text '閉じる'
command proc{
tmppath = $text_demo
$text_demo = nil
tmppath.destroy
}
}.pack('side'=>'left', 'expand'=>'yes')
TkButton.new(frame) {
text 'コード参照'
command proc{showCode 'text'}
}.pack('side'=>'left', 'expand'=>'yes')
}.pack('side'=>'bottom', 'fill'=>'x', 'pady'=>'2m')
# text 生成
TkText.new($text_demo){|t|
# 生成
relief 'sunken'
bd 2
setgrid 1
height 30
TkScrollbar.new($text_demo) {|s|
pack('side'=>'right', 'fill'=>'y')
command proc{|*args| t.yview(*args)}
t.yscrollcommand proc{|first,last| s.set first,last}
}
pack('expand'=>'yes', 'fill'=>'both')
# テキスト挿入
insert('0.0', <<EOT)
widget 1
widget
1.
2. 2 ()
3. 1 ()
widget
4. 1
1
調
調
5.
6.
()
2
7. widget Emacs Motif
-H
-D
Meta-
Meta-D
-K
#{
if undo_support
undo_text = "Control-z は最後に行った変更の取り消し(undo)を行い、"
case $tk_platform['platform']
when "unix", "macintosh"
undo_text << "Control-Shift-z"
else # 'windows'
undo_text << "Control-y"
end
undo_text << "はundoした変更の再適用(redo)を行います。"
else
""
end
}
8. widget "setGrid"
EOT
set_insert('0.0')
}