tkmenubar

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/branches/v1_1r@40 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

lib/tkmenubar.rb

@@ -0,0 +1,137 @@
+#
+# tkmenubar.rb
+#
+# Copyright (C) 1998 maeda shugo. All rights reserved. 
+# This file can be distributed under the terms of the Ruby.
+
+# Usage:
+#
+# menu_spec = [
+#   [['File', 0],
+#     ['Open', proc{puts('Open clicked')}, 0],
+#     '---',
+#     ['Quit', proc{exit}, 0]],
+#   [['Edit', 0],
+#     ['Cut', proc{puts('Cut clicked')}, 2],
+#     ['Copy', proc{puts('Copy clicked')}, 0],
+#     ['Paste', proc{puts('Paste clicked')}, 0]]
+# ]
+# menubar = TkMenubar.new(nil, menu_spec,
+# 			'tearoff'=>false,
+# 			'foreground'=>'grey40',
+# 			'activeforeground'=>'red',
+# 			'font'=>'-adobe-helvetica-bold-r-*--12-*-iso8859-1')
+# menubar.pack('side'=>'top', 'fill'=>'x')
+#
+#
+# OR
+#
+#
+# menubar = TkMenubar.new
+# menubar.add_menu([['File', 0],
+# 		   ['Open', proc{puts('Open clicked')}, 0],
+# 		   '---',
+# 		   ['Quit', proc{exit}, 0]])
+# menubar.add_menu([['Edit', 0],
+# 		   ['Cut', proc{puts('Cut clicked')}, 2],
+# 		   ['Copy', proc{puts('Copy clicked')}, 0],
+# 		   ['Paste', proc{puts('Paste clicked')}, 0]])
+# menubar.configure('tearoff', false)
+# menubar.configure('foreground', 'grey40')
+# menubar.configure('activeforeground', 'red')
+# menubar.configure('font', '-adobe-helvetica-bold-r-*--12-*-iso8859-1')
+# menubar.pack('side'=>'top', 'fill'=>'x')
+
+# The format of the menu_spec is:
+# [
+#   [
+#     [button text, underline, accelerator],
+#     [menu label, command, underline, accelerator],
+#     '---', # separator
+#     ...
+#   ],
+#   ...
+# ]
+
+# underline and accelerator are optional parameters.
+# Hashes are OK instead of Arrays.
+
+# To use add_menu, configuration must be done by calling configure after
+# adding all menus by add_menu, not by the constructor arguments.
+
+require "tk"
+
+class TkMenubar<TkFrame
+  
+  include TkComposite
+  
+  def initialize(parent = nil, spec = nil, options = nil)
+    super(parent, options)
+    
+    @menus = []
+    
+    if spec
+      for menu_info in spec
+	add_menu(menu_info)
+      end
+    end
+    
+    if options
+      for key, value in options
+	configure(key, value)
+      end
+    end
+  end
+
+  def add_menu(menu_info)
+    btn_info = menu_info.shift
+    mbtn = TkMenubutton.new(@frame)
+    
+    if btn_info.kind_of?(Hash)
+      for key, value in btn_info
+	mbtn.configure(key, value)
+      end
+    elsif btn_info.kind_of?(Array)
+      mbtn.configure('text', btn_info[0]) if btn_info[0]
+      mbtn.configure('underline', btn_info[1]) if btn_info[1]
+      mbtn.configure('accelerator', btn_info[2]) if btn_info[2]
+    else
+      mbtn.configure('text', btn_info)
+    end
+    
+    menu = TkMenu.new(mbtn)
+    
+    for item_info in menu_info
+      if item_info.kind_of?(Hash)
+	menu.add('command', item_info)
+      elsif item_info.kind_of?(Array)
+	options = {}
+	options['label'] = item_info[0] if item_info[0]
+	options['command'] = item_info[1] if item_info[1]
+	options['underline'] = item_info[2] if item_info[2]
+	options['accelerator'] = item_info[3] if item_info[3]
+	menu.add('command', options)
+      elsif /^-+$/ =~ item_info
+	menu.add('sep')
+      else
+	menu.add('command', 'label' => item_info)
+      end
+    end
+    
+    mbtn.menu(menu)
+    @menus.push([mbtn, menu])
+    delegate('tearoff', menu)
+    delegate('foreground', mbtn, menu)
+    delegate('background', mbtn, menu)
+    delegate('disabledforeground', mbtn, menu)
+    delegate('activeforeground', mbtn, menu)
+    delegate('activebackground', mbtn, menu)
+    delegate('font', mbtn, menu)
+    delegate('kanjifont', mbtn, menu)
+    mbtn.pack('side' => 'left')
+  end
+  
+  def [](index)
+    return @menus[index]
+  end
+end