diff options
Diffstat (limited to 'ruby_1_8_6/ext/tk/sample/propagate.rb')
-rw-r--r-- | ruby_1_8_6/ext/tk/sample/propagate.rb | 30 |
1 files changed, 30 insertions, 0 deletions
diff --git a/ruby_1_8_6/ext/tk/sample/propagate.rb b/ruby_1_8_6/ext/tk/sample/propagate.rb new file mode 100644 index 0000000000..800cef553d --- /dev/null +++ b/ruby_1_8_6/ext/tk/sample/propagate.rb @@ -0,0 +1,30 @@ +#!/usr/bin/env ruby +require 'tk' + +TkLabel.new(:text=>"Please click the bottom frame").pack + +f = TkFrame.new(:width=>400, :height=>100, :background=>'yellow', + :relief=>'ridge', :borderwidth=>5).pack + +# TkPack.propagate(f, false) # <== important!! +f.pack_propagate(false) # <== important!! + +list = (1..3).collect{|n| + TkButton.new(f, :text=>"button#{'-X'*n}"){ + command proc{ + puts "button#{'-X'*n}" + self.unpack + } + } +} + +list.unshift(nil) + +f.bind('1', proc{ + w = list.shift + w.unpack if w + list.push(w) + list[0].pack(:expand=>true, :anchor=>:center) if list[0] + }) + +Tk.mainloop |