Add QtUtilities.h header

Author: ferdnyc

include/QtUtilities.h

@@ -0,0 +1,44 @@
+/**
+ * @file
+ * @brief Header file for QtUtilities (compatibiity overlay)
+ * @author FeRD (Frank Dana) <[email protected]>
+ */
+
+/* LICENSE
+ *
+ * Copyright (c) 2008-2020 OpenShot Studios, LLC
+ * <http://www.openshotstudios.com/>. This file is part of
+ * OpenShot Library (libopenshot), an open-source project dedicated to
+ * delivering high quality video editing and animation solutions to the
+ * world. For more information visit <http://www.openshot.org/>.
+ *
+ * OpenShot Library (libopenshot) is free software: you can redistribute it
+ * and/or modify it under the terms of the GNU Lesser General Public License
+ * as published by the Free Software Foundation, either version 3 of the
+ * License, or (at your option) any later version.
+ *
+ * OpenShot Library (libopenshot) is distributed in the hope that it will be
+ * useful, but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public License
+ * along with OpenShot Library. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#ifndef OPENSHOT_QT_UTILITIES_H
+#define OPENSHOT_QT_UTILITIES_H
+
+#include <Qt>
+#include <QTextStream>
+
+// Fix Qt::endl for older Qt versions
+// From: https://bugreports.qt.io/browse/QTBUG-82680
+#if QT_VERSION < QT_VERSION_CHECK(5, 14, 0)
+namespace Qt {
+  using TextStreamFunction = QTextStream& (*)(QTextStream&);
+  constexpr TextStreamFunction endl = ::endl;
+}
+#endif
+
+#endif // OPENSHOT_QT_UTILITIES_H

src/CacheDisk.cpp

@@ -29,6 +29,7 @@
  */
 
 #include "../include/CacheDisk.h"
+#include "../include/QtUtilities.h"
 #include <Qt>
 #include <QString>
 #include <QTextStream>