#4157 Grid Cross Plot: Make categorisation legend more like ensemble legend

ApplicationCode/UserInterface/RiuGridCrossQwtPlot.h

@@ -0,0 +1,52 @@
+/////////////////////////////////////////////////////////////////////////////////
+//
+//  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 "RiuInterfaceToViewWindow.h"
+#include "RiuQwtPlot.h"
+
+#include "cafPdmPointer.h"
+
+#include <QPointer>
+
+class RimGridCrossPlotCurveSet;
+class RiuCvfOverlayItemWidget;
+
+//==================================================================================================
+//
+//
+//
+//==================================================================================================
+class RiuGridCrossQwtPlot : public RiuQwtPlot
+{
+    Q_OBJECT;
+
+public:
+    RiuGridCrossQwtPlot(RimViewWindow* ownerViewWindow, QWidget* parent = nullptr);
+
+    void addOrUpdateCurveSetLegend(RimGridCrossPlotCurveSet* curveSetToShowLegendFor);
+    void removeCurveSetLegend(RimGridCrossPlotCurveSet* curveSetToShowLegendFor);
+
+protected:
+    void updateLayout() override;
+    void updateLegendLayout();
+
+private:
+    std::map<caf::PdmPointer<RimGridCrossPlotCurveSet>, QPointer<RiuCvfOverlayItemWidget>> m_legendWidgets;
+};