Crash fix when re-entering the game

Throw away the old layout rather than trying to reuse it and crashing
cause of collisions.

2 files changed, 12 insertions, 0 deletions

diff --git a/src/gui/widgets/container.cpp b/src/gui/widgets/container.cpp
index a2b3ee78..61211ddd 100644
--- a/src/gui/widgets/container.cpp
+++ b/src/gui/widgets/container.cpp
@@ -62,3 +62,9 @@ void Container::updateLayout()
     int h = area.height;
     getLayout().reflow(w, h);
 }
+
+void Container::clearLayout()
+{
+    delete mLayoutHelper;
+    mLayoutHelper = 0;
+}
diff --git a/src/gui/widgets/container.h b/src/gui/widgets/container.h
index 2b8039f4..0f1d1bb7 100644
--- a/src/gui/widgets/container.h
+++ b/src/gui/widgets/container.h
@@ -65,6 +65,12 @@ class Container : public gcn::Container
          */
         void updateLayout();
 
+        /**
+         * Removes the layout, making it forget about any widgets (needed when
+         * reusing a container with new widgets).
+         */
+        void clearLayout();
+
     private:
         LayoutHelper *mLayoutHelper;
 };