pane lua stuff

1 files changed, 10 insertions, 0 deletions

diff --git a/source/windowing/StarRegisteredPaneManager.hpp b/source/windowing/StarRegisteredPaneManager.hpp
index 4038525..ebb158d 100644
--- a/source/windowing/StarRegisteredPaneManager.hpp
+++ b/source/windowing/StarRegisteredPaneManager.hpp
@@ -19,6 +19,8 @@ public:
 
   template <typename T = Pane>
   shared_ptr<T> registeredPane(KeyT const& paneId) const;
+  template <typename T = Pane>
+  shared_ptr<T> maybeRegisteredPane(KeyT const& paneId) const;
 
   // Displays a registred pane if it is not already displayed.  Returns true
   // if it is newly displayed.
@@ -54,6 +56,14 @@ shared_ptr<T> RegisteredPaneManager<KeyT>::registeredPane(KeyT const& paneId) co
 }
 
 template <typename KeyT>
+template <typename T>
+shared_ptr<T> RegisteredPaneManager<KeyT>::maybeRegisteredPane(KeyT const& paneId) const {
+  if (auto v = m_registeredPanes.ptr(paneId))
+    return convert<T>(v->pane);
+  return {};
+}
+
+template <typename KeyT>
 void RegisteredPaneManager<KeyT>::registerPane(
     KeyT paneId, PaneLayer paneLayer, PanePtr pane, DismissCallback onDismiss) {
   if (!m_registeredPanes.insert(move(paneId), {move(paneLayer), move(pane), move(onDismiss)}).second)