#4134 #4124 Refactor RiuSummaryQwtPlot on top of a base RiuQwtPlot class and use this for Cross Plots

* Get a lot of functionality included: zoom, panning, etc.

ApplicationCode/UserInterface/RiuQwtPlot.cpp

@@ -0,0 +1,217 @@
+/////////////////////////////////////////////////////////////////////////////////
+//
+//  Copyright (C) 2016-     Statoil 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 "RiuQwtPlot.h"
+
+#include "RimProject.h"
+
+#include "RiuPlotMainWindowTools.h" 
+#include "RiuQwtCurvePointTracker.h"
+#include "RiuQwtPlotTools.h"
+#include "RiuQwtPlotWheelZoomer.h"
+#include "RiuQwtPlotZoomer.h"
+#include "RiuQwtScalePicker.h"
+
+#include "qwt_date_scale_draw.h"
+#include "qwt_date_scale_engine.h"
+#include "qwt_legend.h"
+#include "qwt_plot_curve.h"
+#include "qwt_plot_grid.h"
+#include "qwt_plot_layout.h"
+#include "qwt_plot_magnifier.h"
+#include "qwt_plot_panner.h"
+#include "qwt_plot_zoomer.h"
+#include "qwt_scale_engine.h"
+
+#include <QEvent>
+#include <QMenu>
+#include <QWheelEvent>
+
+#include <cfloat>
+
+//--------------------------------------------------------------------------------------------------
+/// 
+//--------------------------------------------------------------------------------------------------
+RiuQwtPlot::RiuQwtPlot(RimViewWindow* viewWindow, QWidget* parent) : QwtPlot(parent)
+{
+    Q_ASSERT(viewWindow);
+    m_ownerViewWindow = viewWindow;
+
+    // LeftButton for the zooming
+    m_zoomerLeft = new RiuQwtPlotZoomer(canvas());
+    m_zoomerLeft->setRubberBandPen(QColor(Qt::black));
+    m_zoomerLeft->setTrackerMode(QwtPicker::AlwaysOff);
+    m_zoomerLeft->setTrackerPen(QColor(Qt::black));
+    m_zoomerLeft->initMousePattern(1);
+
+    // Attach a zoomer for the right axis
+    m_zoomerRight = new RiuQwtPlotZoomer(canvas());
+    m_zoomerRight->setAxis(xTop, yRight);
+    m_zoomerRight->setTrackerMode(QwtPicker::AlwaysOff);
+    m_zoomerRight->initMousePattern(1);
+
+    // MidButton for the panning
+    QwtPlotPanner* panner = new QwtPlotPanner(canvas());
+    panner->setMouseButton(Qt::MidButton);
+
+    auto wheelZoomer = new RiuQwtPlotWheelZoomer(this);
+
+    connect(wheelZoomer, SIGNAL(zoomUpdated()), SLOT(onZoomedSlot()));
+    connect(m_zoomerLeft, SIGNAL(zoomed( const QRectF & )), SLOT(onZoomedSlot()));
+    connect(panner, SIGNAL(panned( int , int  )), SLOT(onZoomedSlot()));
+
+    RiuQwtScalePicker* scalePicker = new RiuQwtScalePicker(this);
+    connect(scalePicker, SIGNAL(clicked(int, double)), this, SLOT(onAxisClicked(int, double)));
+
+    RiuQwtPlotTools::setCommonPlotBehaviour(this);
+    RiuQwtPlotTools::setDefaultAxes(this);
+}
+
+//--------------------------------------------------------------------------------------------------
+/// 
+//--------------------------------------------------------------------------------------------------
+RiuQwtPlot::~RiuQwtPlot()
+{
+    if (ownerPlotDefinition())
+    {
+        ownerPlotDefinition()->detachAllCurves();
+    }
+    if (ownerViewWindow())
+    {
+        ownerViewWindow()->handleMdiWindowClosed();
+    }
+}
+
+//--------------------------------------------------------------------------------------------------
+/// 
+//--------------------------------------------------------------------------------------------------
+RimRiuQwtPlotOwnerInterface* RiuQwtPlot::ownerPlotDefinition() const
+{
+    RimRiuQwtPlotOwnerInterface* plotDefinition = dynamic_cast<RimRiuQwtPlotOwnerInterface*>(ownerViewWindow());
+    return plotDefinition;
+}
+
+//--------------------------------------------------------------------------------------------------
+/// 
+//--------------------------------------------------------------------------------------------------
+RimViewWindow* RiuQwtPlot::ownerViewWindow() const
+{
+    return m_ownerViewWindow;
+}
+
+//--------------------------------------------------------------------------------------------------
+/// 
+//--------------------------------------------------------------------------------------------------
+QSize RiuQwtPlot::minimumSizeHint() const
+{
+    return QSize(0, 100);
+}
+
+//--------------------------------------------------------------------------------------------------
+/// 
+//--------------------------------------------------------------------------------------------------
+QSize RiuQwtPlot::sizeHint() const
+{
+    return QSize(0, 0);
+}
+
+//--------------------------------------------------------------------------------------------------
+///
+//--------------------------------------------------------------------------------------------------
+QwtInterval RiuQwtPlot::currentAxisRange(QwtPlot::Axis axis)
+{
+    return axisScaleDiv(axis).interval();
+}
+
+//--------------------------------------------------------------------------------------------------
+/// 
+//--------------------------------------------------------------------------------------------------
+bool RiuQwtPlot::eventFilter(QObject* watched, QEvent* event)
+{
+    if(watched == canvas())
+    {
+        QMouseEvent* mouseEvent = dynamic_cast<QMouseEvent*>(event);
+        if(mouseEvent)
+        {
+            if(mouseEvent->button() == Qt::LeftButton && mouseEvent->type() == QMouseEvent::MouseButtonRelease)
+            {
+                selectClosestCurve(mouseEvent->pos());
+            }
+        }
+    }
+
+    return QwtPlot::eventFilter(watched, event);
+}
+
+//--------------------------------------------------------------------------------------------------
+/// 
+//--------------------------------------------------------------------------------------------------
+void RiuQwtPlot::selectClosestCurve(const QPoint& pos)
+{
+    QwtPlotCurve* closestCurve = nullptr;
+    double distMin = DBL_MAX;
+
+    const QwtPlotItemList& itmList = itemList();
+    for(QwtPlotItemIterator it = itmList.begin(); it != itmList.end(); it++)
+    {
+        if((*it)->rtti() == QwtPlotItem::Rtti_PlotCurve)
+        {
+            QwtPlotCurve* candidateCurve = static_cast<QwtPlotCurve*>(*it);
+            double dist = DBL_MAX;
+            candidateCurve->closestPoint(pos, &dist);
+            if(dist < distMin)
+            {
+                closestCurve = candidateCurve;
+                distMin = dist;
+            }
+        }
+    }
+
+    if (closestCurve && distMin < 20)
+    {
+        caf::PdmObject* selectedPlotObject = ownerPlotDefinition()->findRimPlotObjectFromQwtCurve(closestCurve);
+
+        if (selectedPlotObject)
+        {
+            RimProject* proj = nullptr;
+            selectedPlotObject->firstAncestorOrThisOfType(proj);
+
+            if (proj)
+            {
+                RiuPlotMainWindowTools::showPlotMainWindow();
+                RiuPlotMainWindowTools::selectAsCurrentItem(selectedPlotObject);
+            }
+        }
+    }
+}
+
+//--------------------------------------------------------------------------------------------------
+///
+//--------------------------------------------------------------------------------------------------
+void RiuQwtPlot::onZoomedSlot()
+{
+    ownerPlotDefinition()->updateZoomWindowFromQwt();
+}
+
+//--------------------------------------------------------------------------------------------------
+/// 
+//--------------------------------------------------------------------------------------------------
+void RiuQwtPlot::onAxisClicked(int axis, double value)
+{    
+    ownerPlotDefinition()->selectAxisInPropertyEditor(axis);
+}