1 files changed, 14 insertions, 2 deletions
diff --git a/ext/tk/lib/tkextlib/bwidget/dialog.rb b/ext/tk/lib/tkextlib/bwidget/dialog.rb
index 13527f96ad..3b0656f021 100644
--- a/ext/tk/lib/tkextlib/bwidget/dialog.rb
+++ b/ext/tk/lib/tkextlib/bwidget/dialog.rb
@@ -18,12 +18,17 @@ end
 class Tk::BWidget::Dialog
   TkCommandNames = ['Dialog'.freeze].freeze
   WidgetClassName = 'Dialog'.freeze
-  WidgetClassNames[WidgetClassName] = self
+  WidgetClassNames[WidgetClassName] ||= self
 
   include TkItemConfigMethod
 
+  def __numstrval_optkeys
+    super() << 'buttonwidth'
+  end
+  private :__numstrval_optkeys
+
   def __strval_optkeys
-    super() << 'title'
+    super() << 'title' << 'geometry'
   end
   private :__strval_optkeys
 
@@ -59,6 +64,13 @@ class Tk::BWidget::Dialog
     end
   end
 
+  def cget_tkstring(slot)
+    if slot.to_s == 'relative'
+      super('parent')
+    else
+      super(slot)
+    end
+  end
   def cget_strict(slot)
     if slot.to_s == 'relative'
       super('parent')