fix bugs that button renderer generated bad values if it zero-size

2017-07-01 07:32:45 +08:00
parent fa80519526
commit afd8225875
4 changed files with 29 additions and 19 deletions
--- a/source/gui/detail/drawer.cpp
+++ b/source/gui/detail/drawer.cpp
@@ -294,7 +294,7 @@ namespace nana

 		void drawer::refresh()
 		{
-			if (data_impl_->realizer && !data_impl_->refreshing)
+			if (data_impl_->realizer && (!(data_impl_->refreshing || graphics.size().empty())))
 			{
 				data_impl_->refreshing = true;
 				data_impl_->realizer->refresh(graphics);