#4158 Implement info box for grid cross plots and improve plot overlay legends

ApplicationCode/UserInterface/RiuDraggableOverlayFrame.h

@@ -0,0 +1,35 @@
+/////////////////////////////////////////////////////////////////////////////////
+//
+//  Copyright (C) 2019-     Equinor ASA
+//
+//  ResInsight is free software: you can redistribute it and/or modify
+//  it under the terms of the GNU General Public License as published by
+//  the Free Software Foundation, either version 3 of the License, or
+//  (at your option) any later version.
+//
+//  ResInsight 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 General Public License at <http://www.gnu.org/licenses/gpl.html>
+//  for more details.
+//
+/////////////////////////////////////////////////////////////////////////////////
+#pragma once
+
+#include <QFrame>
+#include <QPointer>
+
+class QColor;
+class QLabel;
+
+class RiuDraggableOverlayFrame : public QFrame
+{
+    Q_OBJECT
+public:
+    RiuDraggableOverlayFrame(QWidget* parent, QWidget* widgetToSnapTo = nullptr, const QColor& backgroundColor = QColor(255, 255, 255, 100));
+    QLabel* label();
+
+protected:
+    QPointer<QLabel> m_overlayItemLabel;
+};