1 files changed, 48 insertions, 0 deletions
diff --git a/ext/tk/lib/tkpalette.rb b/ext/tk/lib/tkpalette.rb
new file mode 100644
index 0000000000..a2dc7c87cb
--- /dev/null
+++ b/ext/tk/lib/tkpalette.rb
@@ -0,0 +1,48 @@
+#
+#   tkpalette.rb : methods for Tcl/Tk standard library 'palette.tcl'
+#                     1998/06/21 by Hidetoshi Nagai <nagai@ai.kyutech.ac.jp>
+#
+require 'tk'
+
+module TkPalette
+  include Tk
+  extend Tk
+
+  def TkPalette.set(*args)
+    args = args.to_a.flatten if args.kind_of? Hash
+    tk_call 'tk_setPalette', *args
+  end
+  def TkPalette.setPalette(*args)
+    TkPalette.set(*args)
+  end
+
+  def TkPalette.bisque
+    tk_call 'tk_bisque'
+  end
+
+  def TkPalette.darken(color, percent)
+    tk_call 'tkDarken', color, percent
+  end
+
+  def TkPalette.recolorTree(window, colors)
+    if not colors.kind_of?(Hash)
+      fail "2nd arg need to be Hash"
+    end
+
+    colors.each{|key, value|
+      begin
+	if window.cget(key) == tk_call('set', "tkPalette(#{key})")
+	  window[key] = colors[key]
+	end
+      rescue
+	# ignore
+      end
+    }
+
+    TkWinfo.children(window).each{|w| TkPalette.recolorTree(w, colors)}
+  end
+
+  def recolorTree(colors)
+    TkPalette.recolorTree(self, colors)
+  end
+end