initial commit

Signed-off-by: Peter Siegmund <mars3142@noreply.mars3142.dev>

libs/wxWidgets-3.3.1/include/wx/gtk/private/object.h

@@ -0,0 +1,43 @@
+///////////////////////////////////////////////////////////////////////////////
+// Name:        wx/gtk/private/object.h
+// Purpose:     wxGtkObject class declaration
+// Author:      Vadim Zeitlin
+// Created:     2008-08-27
+// Copyright:   (c) 2008 Vadim Zeitlin <vadim@wxwidgets.org>
+// Licence:     wxWindows licence
+///////////////////////////////////////////////////////////////////////////////
+
+#ifndef _WX_GTK_PRIVATE_OBJECT_H_
+#define _WX_GTK_PRIVATE_OBJECT_H_
+
+// ----------------------------------------------------------------------------
+// Convenience class for calling g_object_unref() automatically
+// ----------------------------------------------------------------------------
+
+template <typename T>
+class wxGtkObject
+{
+public:
+    wxGtkObject() = default;
+    explicit wxGtkObject(T *p) : m_ptr(p) { }
+    ~wxGtkObject() { if ( m_ptr ) g_object_unref(m_ptr); }
+
+    operator T *() const { return m_ptr; }
+
+    T** Out()
+    {
+        wxASSERT_MSG( !m_ptr, wxS("Can't reuse the same object.") );
+
+        return &m_ptr;
+    }
+
+private:
+    T* m_ptr = nullptr;
+
+    // copying could be implemented by using g_object_ref() but for now there
+    // is no need for it so don't implement it
+    wxDECLARE_NO_COPY_CLASS(wxGtkObject);
+};
+
+#endif // _WX_GTK_PRIVATE_OBJECT_H_
+