* Added a BWindow::InViewTransaction() that determines whether or not the

window is currently updating its drawings as suggested by Stippi.
* Add this method to decide whether to call _FontChanged() in
  BListView::SetFont().


git-svn-id: file:///srv/svn/repos/haiku/haiku/trunk@34109 a95241bf-73f2-0310-859d-f6bbb57e9c96

src/kits/interface/Window.cpp

@@ -682,6 +682,14 @@ BWindow::EndViewTransaction()
 }
 
 
+bool
+BWindow::InViewTransaction() const
+{
+	BAutolock locker(const_cast<BWindow*>(this));
+	return fInTransaction;
+}
+
+
 bool
 BWindow::IsFront() const
 {