PlotWidget.h

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// --------------------------------------------------------------------------
//                   OpenMS -- Open-Source Mass Spectrometry
// --------------------------------------------------------------------------
// Copyright The OpenMS Team -- Eberhard Karls University Tuebingen,
// ETH Zurich, and Freie Universitaet Berlin 2002-2022.
//
// This software is released under a three-clause BSD license:
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//    notice, this list of conditions and the following disclaimer.
//  * Redistributions in binary form must reproduce the above copyright
//    notice, this list of conditions and the following disclaimer in the
//    documentation and/or other materials provided with the distribution.
//  * Neither the name of any author or any participating institution
//    may be used to endorse or promote products derived from this software
//    without specific prior written permission.
// For a full list of authors, refer to the file AUTHORS.
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// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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// --------------------------------------------------------------------------
// $Maintainer: Timo Sachsenberg $
// $Authors: Marc Sturm $
// --------------------------------------------------------------------------

#pragma once

// OpenMS_GUI config
#include <OpenMS/VISUAL/OpenMS_GUIConfig.h>

//OpenMS
#include <OpenMS/CONCEPT/Types.h>
#include <OpenMS/MATH/STATISTICS/Histogram.h>
#include <OpenMS/VISUAL/EnhancedTabBarWidgetInterface.h>
#include <OpenMS/VISUAL/PlotCanvas.h>

class QCloseEvent;
class QGridLayout;
class QMimeData;
class QScrollBar;

namespace OpenMS
{

  class AxisWidget;

  class OPENMS_GUI_DLLAPI PlotWidget :
    public QWidget,
    public EnhancedTabBarWidgetInterface
  {
    Q_OBJECT

public:
    static const char RT_AXIS_TITLE[];
    static const char MZ_AXIS_TITLE[];
    static const char INTENSITY_AXIS_TITLE[];
    static const char IM_MS_AXIS_TITLE[];
    static const char IM_ONEKZERO_AXIS_TITLE[];


    typedef LayerDataBase::ExperimentType ExperimentType;
    typedef LayerDataBase::FeatureMapType FeatureMapType;
    typedef ExperimentType::SpectrumType SpectrumType;

    PlotWidget(const Param & preferences, QWidget * parent = nullptr);
    ~PlotWidget() override;

    PlotCanvas * canvas()
    {
      return canvas_;
    }

    PlotCanvas * canvas() const
    {
      return canvas_;
    }

    virtual inline AxisWidget * xAxis()
    {
      return x_axis_;
    }

    virtual inline AxisWidget * yAxis()
    {
      return y_axis_;
    }

    Int getActionMode() const;

    virtual bool isLegendShown() const;

    virtual void showLegend(bool show);

    void setIntensityMode(PlotCanvas::IntensityModes mode);

    virtual void hideAxes();

    virtual void saveAsImage();

signals:
    void sendStatusMessage(std::string, OpenMS::UInt);
    void sendCursorStatus(double mz = -1.0, double rt = -1.0);
    void aboutToBeDestroyed(int window_id);
    void openPreferences();
    void dropReceived(const QMimeData * data, QWidget * source, int id);

public slots:
    void showStatistics();
    void showIntensityDistribution(const Math::Histogram<>& dist);
    void showMetaDistribution(const String& name, const Math::Histogram<>& dist);
    void updateAxes();
    void updateHScrollbar(float min, float disp_min, float disp_max, float max);
    void updateVScrollbar(float min, float disp_min, float disp_max, float max);
    virtual void showGoToDialog() = 0;
    void changeLegendVisibility();

protected:

    void closeEvent(QCloseEvent * e) override;

    void setCanvas_(PlotCanvas * canvas, UInt row = 0, UInt col = 2);
    virtual void intensityModeChange_();
    virtual void recalculateAxes_() = 0;
    void correctAreaToObeyMinMaxRanges_(PlotCanvas::AreaType& area);


    void dragEnterEvent(QDragEnterEvent * event) override;
    void dragMoveEvent(QDragMoveEvent * event) override;
    void dropEvent(QDropEvent * event) override;
    void paintEvent(QPaintEvent * /*event*/) override;

    PlotCanvas * canvas_;
    QGridLayout * grid_;
    AxisWidget * y_axis_;
    AxisWidget * x_axis_;
    QScrollBar * x_scrollbar_;
    QScrollBar * y_scrollbar_;
  };
}