1 files changed, 79 insertions, 0 deletions
diff --git a/ruby_1_8_5/ext/tk/lib/tk/scrollable.rb b/ruby_1_8_5/ext/tk/lib/tk/scrollable.rb
new file mode 100644
index 0000000000..ec27b76467
--- /dev/null
+++ b/ruby_1_8_5/ext/tk/lib/tk/scrollable.rb
@@ -0,0 +1,79 @@
+#
+# tk/scrollable.rb : module for scrollable widget
+#
+require 'tk'
+
+module Tk
+  module X_Scrollable
+    def xscrollcommand(cmd=Proc.new)
+      configure_cmd 'xscrollcommand', cmd
+      # Tk.update  # avoid scrollbar trouble
+      self
+    end
+
+    def xview(*index)
+      if index.size == 0
+        list(tk_send_without_enc('xview'))
+      else
+        tk_send_without_enc('xview', *index)
+        self
+      end
+    end
+    def xview_moveto(*index)
+      xview('moveto', *index)
+    end
+    def xview_scroll(*index)
+      xview('scroll', *index)
+    end
+
+    def xscrollbar(bar=nil)
+      if bar
+        @xscrollbar = bar
+        @xscrollbar.orient 'horizontal'
+        self.xscrollcommand {|*arg| @xscrollbar.set(*arg)}
+        @xscrollbar.command {|*arg| self.xview(*arg)}
+        Tk.update  # avoid scrollbar trouble
+      end
+      @xscrollbar
+    end
+  end
+
+  module Y_Scrollable
+    def yscrollcommand(cmd=Proc.new)
+      configure_cmd 'yscrollcommand', cmd
+      # Tk.update  # avoid scrollbar trouble
+      self
+    end
+
+    def yview(*index)
+      if index.size == 0
+        list(tk_send_without_enc('yview'))
+      else
+        tk_send_without_enc('yview', *index)
+        self
+      end
+    end
+    def yview_moveto(*index)
+      yview('moveto', *index)
+    end
+    def yview_scroll(*index)
+      yview('scroll', *index)
+    end
+
+    def yscrollbar(bar=nil)
+      if bar
+        @yscrollbar = bar
+        @yscrollbar.orient 'vertical'
+        self.yscrollcommand {|*arg| @yscrollbar.set(*arg)}
+        @yscrollbar.command {|*arg| self.yview(*arg)}
+        Tk.update  # avoid scrollbar trouble
+      end
+      @yscrollbar
+    end
+  end
+
+  module Scrollable
+    include X_Scrollable
+    include Y_Scrollable
+  end
+end