Glib::RefPtr: Add get()

Analogous to std::shared_ptr::get(). Bug 495762

2 files changed, 19 insertions, 2 deletions

diff --git a/glib/glibmm/refptr.h b/glib/glibmm/refptr.h
index 981dd796..74ed0413 100644
--- a/glib/glibmm/refptr.h
+++ b/glib/glibmm/refptr.h
@@ -42,7 +42,7 @@ namespace Glib
  * RefPtr<> can store any class that has reference() and unreference() methods,
  * and whose destructor is noexcept (the default for destructors).
  * In gtkmm, that is anything derived from Glib::ObjectBase, such as
- * Gdk::Pixmap.
+ * Gdk::Pixbuf.
  *
  * See the "Memory Management" section in the "Programming with gtkmm"
  * book for further information.
@@ -136,7 +136,7 @@ public:
   template <class T_CastFrom>
   inline RefPtr& operator=(RefPtr<T_CastFrom>&& src) noexcept;
 
-  /** Copy from different, but castable type).
+  /** Copy from different, but castable type.
    *
    * Increments the reference count.
    */
@@ -156,6 +156,12 @@ public:
    */
   inline T_CppObject* operator->() const noexcept;
 
+  /** Returns the stored pointer.
+   *
+   * @newin{2,56}
+   */
+  inline T_CppObject* get() const noexcept;
+
   /** Test whether the RefPtr<> points to any underlying instance.
    *
    * Mimics usage of ordinary pointers:
@@ -396,6 +402,12 @@ RefPtr<T_CppObject>::operator!=(const RefPtr& src) const noexcept
 }
 
 template <class T_CppObject>
+inline T_CppObject* RefPtr<T_CppObject>::get() const noexcept
+{
+  return pCppObject_;
+}
+
+template <class T_CppObject>
 inline RefPtr<T_CppObject>::operator bool() const noexcept
 {
   return (pCppObject_ != nullptr);
diff --git a/tests/glibmm_refptr/main.cc b/tests/glibmm_refptr/main.cc
index 53a74492..4caea0c5 100644
--- a/tests/glibmm_refptr/main.cc
+++ b/tests/glibmm_refptr/main.cc
@@ -91,6 +91,11 @@ test_initial_refcount()
   Glib::RefPtr<Something> refSomething(new Something());
   g_assert_cmpint(refSomething->ref_count(), ==, 1);
   g_assert_cmpint(refSomething->max_ref_count(), ==, 1);
+
+  // Test the get() method:
+  g_assert_cmpint(refSomething.get()->ref_count(), ==, 1);
+  refSomething.reset();
+  g_assert(refSomething.get() == nullptr);
 }
 
 static void