#8662 QtCharts: Implement tooltip when hovering over curves

ApplicationLibCode/ProjectDataModel/Summary/CMakeLists_files.cmake

@@ -45,6 +45,7 @@ set(SOURCE_GROUP_HEADER_FILES
     ${CMAKE_CURRENT_LIST_DIR}/RimSummaryAddressCollection.h
     ${CMAKE_CURRENT_LIST_DIR}/RimSummaryMultiPlotCollection.h
     ${CMAKE_CURRENT_LIST_DIR}/RimSummaryPlotControls.h
+    ${CMAKE_CURRENT_LIST_DIR}/RimEnsembleCurveInfoTextProvider.h
 )
 
 set(SOURCE_GROUP_SOURCE_FILES
@@ -94,6 +95,7 @@ set(SOURCE_GROUP_SOURCE_FILES
     ${CMAKE_CURRENT_LIST_DIR}/RimSummaryAddressCollection.cpp
     ${CMAKE_CURRENT_LIST_DIR}/RimSummaryMultiPlotCollection.cpp
     ${CMAKE_CURRENT_LIST_DIR}/RimSummaryPlotControls.cpp
+    ${CMAKE_CURRENT_LIST_DIR}/RimEnsembleCurveInfoTextProvider.cpp
 )
 
 list(APPEND CODE_HEADER_FILES ${SOURCE_GROUP_HEADER_FILES})

ApplicationLibCode/ProjectDataModel/Summary/RimEnsembleCurveInfoTextProvider.cpp

@@ -0,0 +1,39 @@
+/////////////////////////////////////////////////////////////////////////////////
+//
+//  Copyright (C) 2022     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.
+//
+/////////////////////////////////////////////////////////////////////////////////
+
+#include "RimEnsembleCurveInfoTextProvider.h"
+
+#include "RimSummaryCase.h"
+#include "RimSummaryCurve.h"
+
+#include "RiuPlotCurve.h"
+
+//--------------------------------------------------------------------------------------------------
+///
+//--------------------------------------------------------------------------------------------------
+QString RimEnsembleCurveInfoTextProvider::curveInfoText( RiuPlotCurve* riuCurve ) const
+{
+    // RiuPlotCurve*    riuCurve = dynamic_cast<RiuPlotCurve*>( curve );
+    RimSummaryCurve* sumCurve = nullptr;
+    if ( riuCurve )
+    {
+        sumCurve = dynamic_cast<RimSummaryCurve*>( riuCurve->ownerRimCurve() );
+    }
+
+    return sumCurve && sumCurve->summaryCaseY() ? sumCurve->summaryCaseY()->displayCaseName() : "";
+}

ApplicationLibCode/ProjectDataModel/Summary/RimEnsembleCurveInfoTextProvider.h

@@ -0,0 +1,32 @@
+/////////////////////////////////////////////////////////////////////////////////
+//
+//  Copyright (C) 2022     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 "RiuPlotCurveInfoTextProvider.h"
+
+#include <QString>
+
+//==================================================================================================
+//
+//==================================================================================================
+class RimEnsembleCurveInfoTextProvider : public RiuPlotCurveInfoTextProvider
+{
+public:
+    QString curveInfoText( RiuPlotCurve* ) const override;
+};

ApplicationLibCode/UserInterface/CMakeLists_files.cmake

@@ -214,6 +214,7 @@ if(RESINSIGHT_USE_QT_CHARTS)
     ${CMAKE_CURRENT_LIST_DIR}/RiuQtChartsPlotWidget.h
     ${CMAKE_CURRENT_LIST_DIR}/RiuQtChartsPlotTools.h
     ${CMAKE_CURRENT_LIST_DIR}/RiuQtChartsPlotCurveSymbol.h
+    ${CMAKE_CURRENT_LIST_DIR}/RiuQtChartsToolTip.h
     ${CMAKE_CURRENT_LIST_DIR}/RiuSummaryQtChartsPlot.h
   )
 
@@ -225,6 +226,7 @@ if(RESINSIGHT_USE_QT_CHARTS)
     ${CMAKE_CURRENT_LIST_DIR}/RiuQtChartsPlotWidget.cpp
     ${CMAKE_CURRENT_LIST_DIR}/RiuQtChartsPlotTools.cpp
     ${CMAKE_CURRENT_LIST_DIR}/RiuQtChartsPlotCurveSymbol.cpp
+    ${CMAKE_CURRENT_LIST_DIR}/RiuQtChartsToolTip.cpp
     ${CMAKE_CURRENT_LIST_DIR}/RiuSummaryQtChartsPlot.cpp
   )
 

ApplicationLibCode/UserInterface/RiuPlotCurveInfoTextProvider.h

@@ -0,0 +1,33 @@
+/////////////////////////////////////////////////////////////////////////////////
+//
+//  Copyright (C) 2015-     Equinor ASA
+//  Copyright (C) 2015-     Ceetron Solutions AS
+//
+//  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 <QString>
+
+class RiuPlotCurve;
+
+//--------------------------------------------------------------------------------------------------
+/// Interface for retrieving curve info text
+//--------------------------------------------------------------------------------------------------
+class RiuPlotCurveInfoTextProvider
+{
+public:
+    virtual QString curveInfoText( RiuPlotCurve* curve ) const = 0;
+};

ApplicationLibCode/UserInterface/RiuQtChartsPlotWidget.cpp

@@ -27,10 +27,12 @@
 
 #include "RiuDraggableOverlayFrame.h"
 #include "RiuGuiTheme.h"
+#include "RiuPlotCurveInfoTextProvider.h"
 #include "RiuPlotMainWindowTools.h"
 #include "RiuPlotWidget.h"
 #include "RiuQtChartView.h"
 #include "RiuQtChartsPlotCurve.h"
+#include "RiuQtChartsToolTip.h"
 #include "RiuQwtDateScaleWrapper.h"
 
 #include "caf.h"
@@ -52,9 +54,13 @@ using namespace QtCharts;
 //--------------------------------------------------------------------------------------------------
 ///
 //--------------------------------------------------------------------------------------------------
-RiuQtChartsPlotWidget::RiuQtChartsPlotWidget( RimPlot* plotDefinition, QWidget* parent )
+RiuQtChartsPlotWidget::RiuQtChartsPlotWidget( RimPlot*                      plotDefinition,
+                                              QWidget*                      parent,
+                                              RiuPlotCurveInfoTextProvider* plotCurveNameProvider )
     : RiuPlotWidget( plotDefinition, parent )
+    , m_plotCurveNameProvider( plotCurveNameProvider )
     , m_dateScaleWrapper( new RiuQwtDateScaleWrapper() )
+    , m_toolTip( nullptr )
 {
     CAF_ASSERT( m_plotDefinition );
 
@@ -853,6 +859,8 @@ void RiuQtChartsPlotWidget::attach( RiuPlotCurve*    plotCurve,
     addToChart( m_lineSeriesMap, plotCurve, lineSeries, xAxis, yAxis, qtChartsPlotCurve );
     addToChart( m_areaSeriesMap, plotCurve, areaSeries, xAxis, yAxis, qtChartsPlotCurve );
     addToChart( m_scatterSeriesMap, plotCurve, scatterSeries, xAxis, yAxis, qtChartsPlotCurve );
+
+    connect( dynamic_cast<QLineSeries*>( lineSeries ), &QLineSeries::hovered, this, &RiuQtChartsPlotWidget::tooltip );
 }
 
 //--------------------------------------------------------------------------------------------------
@@ -1234,3 +1242,54 @@ void RiuQtChartsPlotWidget::pruneAxes( const std::set<RiuPlotAxis>& usedAxes )
         }
     }
 }
+
+//--------------------------------------------------------------------------------------------------
+///
+//--------------------------------------------------------------------------------------------------
+void RiuQtChartsPlotWidget::tooltip( const QPointF& point, bool state )
+{
+    QAbstractSeries* series = qobject_cast<QAbstractSeries*>( sender() );
+    if ( !m_toolTip ) m_toolTip = new RiuQtChartsToolTip( qtChart(), series );
+
+    if ( state )
+    {
+        QString nameFromSeries = createNameFromSeries( series );
+
+        QDateTime date       = QDateTime::fromMSecsSinceEpoch( point.x() );
+        QString   dateString = RiaQDateTimeTools::toStringUsingApplicationLocale( date, "hh:mm dd.MMMM.yyyy" );
+
+        QString text = QString( "%1 (%2)" ).arg( point.y() ).arg( dateString );
+
+        if ( !nameFromSeries.isEmpty() ) text.prepend( nameFromSeries + ": " );
+
+        m_toolTip->setText( text );
+
+        m_toolTip->setAnchor( point );
+        m_toolTip->setSeries( series );
+        m_toolTip->setZValue( 200 );
+        m_toolTip->updateGeometry();
+        m_toolTip->show();
+    }
+    else
+    {
+        m_toolTip->hide();
+    }
+}
+
+//--------------------------------------------------------------------------------------------------
+///
+//--------------------------------------------------------------------------------------------------
+QString RiuQtChartsPlotWidget::createNameFromSeries( QAbstractSeries* series ) const
+{
+    if ( !m_plotCurveNameProvider ) return "";
+
+    for ( auto [plotCurve, plotSeries] : m_lineSeriesMap )
+    {
+        if ( plotSeries == series )
+        {
+            return m_plotCurveNameProvider->curveInfoText( plotCurve );
+        }
+    }
+
+    return "";
+}

ApplicationLibCode/UserInterface/RiuQtChartsPlotWidget.h

@@ -36,6 +36,9 @@ class RiaPlotWindowRedrawScheduler;
 class RimPlot;
 class RiuPlotCurve;
 class RiuQtChartsPlotCurve;
+class RiuQtChartsToolTip;
+class RiuPlotCurveSymbol;
+class RiuPlotCurveInfoTextProvider;
 
 class QEvent;
 class QLabel;
@@ -64,7 +67,9 @@ class RiuQtChartsPlotWidget : public RiuPlotWidget
     Q_OBJECT
 
 public:
-    RiuQtChartsPlotWidget( RimPlot* plotDefinition, QWidget* parent = nullptr );
+    RiuQtChartsPlotWidget( RimPlot*                      plotDefinition,
+                           QWidget*                      parent                = nullptr,
+                           RiuPlotCurveInfoTextProvider* plotCurveNameProvider = nullptr );
     ~RiuQtChartsPlotWidget() override;
 
     int  axisTitleFontSize( RiuPlotAxis axis ) const override;
@@ -217,6 +222,7 @@ signals:
 
 private slots:
     void axisRangeChanged();
+    void tooltip( const QPointF& point, bool state );
 
 private:
     void addAxis( RiuPlotAxis plotAxis, bool isEnabled, bool isAutoScale );
@@ -229,6 +235,8 @@ private:
 
     QtCharts::QCategoryAxis* categoryAxis();
 
+    QString createNameFromSeries( QtCharts::QAbstractSeries* series ) const;
+
 private:
     QPointer<QtCharts::QChartView> m_viewer;
 
@@ -241,4 +249,6 @@ private:
     std::map<RiuPlotCurve*, QtCharts::QAbstractSeries*> m_scatterSeriesMap;
 
     RiuQwtDateScaleWrapper*       m_dateScaleWrapper;
+    RiuQtChartsToolTip*           m_toolTip;
+    RiuPlotCurveInfoTextProvider* m_plotCurveNameProvider;
 };

ApplicationLibCode/UserInterface/RiuQtChartsToolTip.cpp

@@ -0,0 +1,112 @@
+/////////////////////////////////////////////////////////////////////////////////
+//
+//  Copyright (C) 2022-     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.
+//
+/////////////////////////////////////////////////////////////////////////////////
+
+#include "RiuQtChartsToolTip.h"
+
+#include <QtCharts/QChart>
+#include <QtGui/QFontMetrics>
+#include <QtGui/QMouseEvent>
+#include <QtGui/QPainter>
+#include <QtWidgets/QGraphicsSceneMouseEvent>
+
+using namespace QtCharts;
+
+//--------------------------------------------------------------------------------------------------
+///
+//--------------------------------------------------------------------------------------------------
+RiuQtChartsToolTip::RiuQtChartsToolTip( QChart* chart, QtCharts::QAbstractSeries* series )
+    : QGraphicsItem( chart )
+    , m_chart( chart )
+    , m_series( series )
+    , m_radius( 10 )
+{
+}
+
+//--------------------------------------------------------------------------------------------------
+///
+//--------------------------------------------------------------------------------------------------
+QRectF RiuQtChartsToolTip::boundingRect() const
+{
+    QPointF anchor = mapFromParent( m_chart->mapToPosition( m_anchor, m_series ) );
+    QRectF  rect   = m_rect.united( m_textRect );
+    rect.setLeft( std::min( rect.left(), anchor.x() ) );
+    rect.setRight( std::max( rect.right(), anchor.x() ) );
+    rect.setTop( std::min( rect.top(), anchor.y() ) );
+    rect.setBottom( std::max( rect.bottom(), anchor.y() ) );
+    return rect;
+}
+
+//--------------------------------------------------------------------------------------------------
+///
+//--------------------------------------------------------------------------------------------------
+void RiuQtChartsToolTip::paint( QPainter* painter, const QStyleOptionGraphicsItem* option, QWidget* widget )
+{
+    Q_UNUSED( option )
+    Q_UNUSED( widget )
+    QPainterPath path;
+
+    QPointF anchor = mapFromParent( m_chart->mapToPosition( m_anchor, m_series ) );
+
+    path.addEllipse( anchor, m_radius, m_radius );
+    path = path.simplified();
+
+    painter->setPen( QPen( Qt::black ) );
+
+    painter->drawPath( path );
+    painter->drawText( m_textRect, m_text );
+}
+
+//--------------------------------------------------------------------------------------------------
+///
+//--------------------------------------------------------------------------------------------------
+void RiuQtChartsToolTip::setSeries( QAbstractSeries* series )
+{
+    m_series = series;
+}
+
+//--------------------------------------------------------------------------------------------------
+///
+//--------------------------------------------------------------------------------------------------
+void RiuQtChartsToolTip::setText( const QString& text )
+{
+    m_text = text;
+    QFontMetrics metrics( m_font );
+    m_textRect = metrics.boundingRect( QRect( 0, 0, 150, 150 ), Qt::AlignLeft, m_text );
+    m_textRect.translate( m_radius, 0 );
+    prepareGeometryChange();
+
+    m_rect.setRect( -m_radius, -m_radius, m_radius, m_radius );
+    m_rect.moveCenter( QPoint( m_radius, m_radius ) );
+}
+
+//--------------------------------------------------------------------------------------------------
+///
+//--------------------------------------------------------------------------------------------------
+void RiuQtChartsToolTip::setAnchor( QPointF point )
+{
+    m_anchor = point;
+}
+
+//--------------------------------------------------------------------------------------------------
+///
+//--------------------------------------------------------------------------------------------------
+void RiuQtChartsToolTip::updateGeometry()
+{
+    prepareGeometryChange();
+    setPos( m_chart->mapToPosition( m_anchor, m_series ) );
+}

ApplicationLibCode/UserInterface/RiuQtChartsToolTip.h

@@ -0,0 +1,48 @@
+/////////////////////////////////////////////////////////////////////////////////
+//
+//  Copyright (C) 2022-     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 <QtCharts/QChart>
+#include <QtCharts/QChartGlobal>
+#include <QtGui/QFont>
+#include <QtWidgets/QGraphicsItem>
+
+class RiuQtChartsToolTip : public QGraphicsItem
+{
+public:
+    RiuQtChartsToolTip( QtCharts::QChart* parent, QtCharts::QAbstractSeries* series );
+
+    void setSeries( QtCharts::QAbstractSeries* series );
+    void setText( const QString& text );
+    void setAnchor( QPointF point );
+    void updateGeometry();
+
+    QRectF boundingRect() const override;
+    void   paint( QPainter* painter, const QStyleOptionGraphicsItem* option, QWidget* widget ) override;
+
+private:
+    QString                    m_text;
+    QRectF                     m_textRect;
+    QRectF                     m_rect;
+    QPointF                    m_anchor;
+    QFont                      m_font;
+    int                        m_radius;
+    QtCharts::QChart*          m_chart;
+    QtCharts::QAbstractSeries* m_series;
+};

ApplicationLibCode/UserInterface/RiuQwtCurvePointTracker.cpp

@@ -20,12 +20,13 @@
 
 #include "RiaQDateTimeTools.h"
 #include "RiuGuiTheme.h"
-
-#include "qwt_plot_marker.h"
-#include "qwt_symbol.h"
+#include "RiuPlotCurve.h"
+#include "RiuPlotCurveInfoTextProvider.h"
 
 #include "qwt_date_scale_draw.h"
 #include "qwt_plot_curve.h"
+#include "qwt_plot_marker.h"
+#include "qwt_symbol.h"
 #include "qwt_text.h"
 
 #include <cfloat> // For DBL_MAX
@@ -37,7 +38,7 @@
 //--------------------------------------------------------------------------------------------------
 RiuQwtCurvePointTracker::RiuQwtCurvePointTracker( QwtPlot*                      plot,
                                                   bool                          isMainAxisHorizontal,
-                                                  IPlotCurveInfoTextProvider* curveInfoTextProvider )
+                                                  RiuPlotCurveInfoTextProvider* curveInfoTextProvider )
     : QwtPlotPicker( plot->canvas() )
     , m_plot( plot )
     , m_isMainAxisHorizontal( isMainAxisHorizontal )
@@ -187,7 +188,7 @@ QPointF RiuQwtCurvePointTracker::closestCurvePoint( const QPoint&  cursorPositio
 
         if ( curveInfoText && closestCurve && m_curveInfoTextProvider )
         {
-            *curveInfoText = m_curveInfoTextProvider->curveInfoText( closestCurve );
+            *curveInfoText = m_curveInfoTextProvider->curveInfoText( dynamic_cast<RiuPlotCurve*>( closestCurve ) );
         }
 
         if ( dateScaleDraw )

ApplicationLibCode/UserInterface/RiuQwtCurvePointTracker.h

@@ -24,7 +24,7 @@
 
 class QwtPlotMarker;
 class QwtPlotCurve;
-class IPlotCurveInfoTextProvider;
+class RiuPlotCurveInfoTextProvider;
 
 //--------------------------------------------------------------------------------------------------
 /// Class to add mouse over-tracking of curve points with text marker
@@ -34,7 +34,7 @@ class RiuQwtCurvePointTracker : public QwtPlotPicker
 public:
     explicit RiuQwtCurvePointTracker( QwtPlot*                      plot,
                                       bool                          isMainAxisHorizontal,
-                                      IPlotCurveInfoTextProvider* curveInfoTextProvider = nullptr );
+                                      RiuPlotCurveInfoTextProvider* curveInfoTextProvider = nullptr );
     ~RiuQwtCurvePointTracker() override;
 
 protected:
@@ -55,14 +55,5 @@ protected:
     QPointer<QwtPlot>             m_plot;
     QwtPlotMarker*                m_plotMarker;
     bool                          m_isMainAxisHorizontal;
-    IPlotCurveInfoTextProvider* m_curveInfoTextProvider;
-};
-
-//--------------------------------------------------------------------------------------------------
-/// Interface for retrieving curve info text
-//--------------------------------------------------------------------------------------------------
-class IPlotCurveInfoTextProvider
-{
-public:
-    virtual QString curveInfoText( QwtPlotCurve* curve ) = 0;
+    RiuPlotCurveInfoTextProvider* m_curveInfoTextProvider;
 };

ApplicationLibCode/UserInterface/RiuSummaryQtChartsPlot.cpp

@@ -20,6 +20,7 @@
 
 #include "RiaPreferences.h"
 
+#include "RimEnsembleCurveInfoTextProvider.h"
 #include "RimSummaryPlot.h"
 
 #include "RiuPlotCurve.h"
@@ -32,7 +33,7 @@
 RiuSummaryQtChartsPlot::RiuSummaryQtChartsPlot( RimSummaryPlot* plot )
     : RiuSummaryPlot( plot )
 {
-    m_plotWidget = new RiuQtChartsPlotWidget( plot );
+    m_plotWidget = new RiuQtChartsPlotWidget( plot, nullptr, new RimEnsembleCurveInfoTextProvider );
     m_plotWidget->setContextMenuPolicy( Qt::CustomContextMenu );
     connect( m_plotWidget, SIGNAL( customContextMenuRequested( QPoint ) ), this, SLOT( showContextMenu( QPoint ) ) );
 
@@ -43,7 +44,6 @@ RiuSummaryQtChartsPlot::RiuSummaryQtChartsPlot( RimSummaryPlot* plot )
 
     m_plotWidget->setInternalLegendVisible( true );
 }
-
 //--------------------------------------------------------------------------------------------------
 ///
 //--------------------------------------------------------------------------------------------------

ApplicationLibCode/UserInterface/RiuSummaryQwtPlot.cpp

@@ -23,6 +23,7 @@
 
 #include "Commands/CorrelationPlotCommands/RicNewCorrelationPlotFeature.h"
 
+#include "RimEnsembleCurveInfoTextProvider.h"
 #include "RimPlotAxisAnnotation.h"
 #include "RimPlotAxisProperties.h"
 #include "RimPlotAxisPropertiesInterface.h"
@@ -67,28 +68,7 @@
 
 #include <limits>
 
-//--------------------------------------------------------------------------------------------------
-///
-//--------------------------------------------------------------------------------------------------
-class EnsembleCurveInfoTextProvider : public IPlotCurveInfoTextProvider
-{
-public:
-    //--------------------------------------------------------------------------------------------------
-    ///
-    //--------------------------------------------------------------------------------------------------
-    QString curveInfoText( QwtPlotCurve* curve ) override
-    {
-        RiuPlotCurve*    riuCurve = dynamic_cast<RiuPlotCurve*>( curve );
-        RimSummaryCurve* sumCurve = nullptr;
-        if ( riuCurve )
-        {
-            sumCurve = dynamic_cast<RimSummaryCurve*>( riuCurve->ownerRimCurve() );
-        }
-
-        return sumCurve && sumCurve->summaryCaseY() ? sumCurve->summaryCaseY()->displayCaseName() : "";
-    }
-};
-static EnsembleCurveInfoTextProvider ensembleCurveInfoTextProvider;
+static RimEnsembleCurveInfoTextProvider ensembleCurveInfoTextProvider;
 
 //--------------------------------------------------------------------------------------------------
 ///

ApplicationLibCode/UserInterface/RiuWellLogTrack.cpp

@@ -27,6 +27,7 @@
 
 #include "RiuGuiTheme.h"
 #include "RiuPlotCurve.h"
+#include "RiuPlotCurveInfoTextProvider.h"
 #include "RiuQwtCurvePointTracker.h"
 #include "RiuQwtPlotTools.h"
 
@@ -41,7 +42,7 @@
 class RiuWellLogCurvePointTracker : public RiuQwtCurvePointTracker
 {
 public:
-    RiuWellLogCurvePointTracker( QwtPlot* plot, IPlotCurveInfoTextProvider* curveInfoTextProvider, RimWellLogTrack* track )
+    RiuWellLogCurvePointTracker( QwtPlot* plot, RiuPlotCurveInfoTextProvider* curveInfoTextProvider, RimWellLogTrack* track )
         : RiuQwtCurvePointTracker( plot, false, curveInfoTextProvider )
         , m_wellLogTrack( track )
     {
@@ -105,15 +106,14 @@ private:
 //--------------------------------------------------------------------------------------------------
 ///
 //--------------------------------------------------------------------------------------------------
-class WellLogCurveInfoTextProvider : public IPlotCurveInfoTextProvider
+class WellLogCurveInfoTextProvider : public RiuPlotCurveInfoTextProvider
 {
 public:
     //--------------------------------------------------------------------------------------------------
     ///
     //--------------------------------------------------------------------------------------------------
-    QString curveInfoText( QwtPlotCurve* curve ) override
+    QString curveInfoText( RiuPlotCurve* riuCurve ) const override
     {
-        RiuPlotCurve*    riuCurve = dynamic_cast<RiuPlotCurve*>( curve );
         RimWellLogCurve* wlCurve = nullptr;
         if ( riuCurve )
         {