HistogramWidget.h

Go to the documentation of this file.

// --------------------------------------------------------------------------
//                   OpenMS -- Open-Source Mass Spectrometry
// --------------------------------------------------------------------------
// Copyright The OpenMS Team -- Eberhard Karls University Tuebingen,
// ETH Zurich, and Freie Universitaet Berlin 2002-2012.
//
// This software is released under a three-clause BSD license:
//  * Redistributions of source code must retain the above copyright
//    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.
// --------------------------------------------------------------------------
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
// AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
// IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
// ARE DISCLAIMED. IN NO EVENT SHALL ANY OF THE AUTHORS OR THE CONTRIBUTING
// INSTITUTIONS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
// EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
// PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
// OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
// WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
// OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
// ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
//
// --------------------------------------------------------------------------
// $Maintainer: Timo Sachsenberg $
// $Authors: Marc Sturm $
// --------------------------------------------------------------------------


#ifndef OPENMS_VISUAL_HISTOGRAMWIDGET_H
#define OPENMS_VISUAL_HISTOGRAMWIDGET_H

// QT
#include <QtGui/QWidget>
#include <QtGui/QPixmap>
class QPaintEvent;
class QResizeEvent;
class QMouseEvent;

//OpenMS
#include <OpenMS/MATH/STATISTICS/Histogram.h>

namespace OpenMS
{
  class AxisWidget;
  class String;

  class OPENMS_GUI_DLLAPI HistogramWidget :
    public QWidget
  {
    Q_OBJECT

public:
    HistogramWidget(const Math::Histogram<> & distribution, QWidget * parent = 0);

    virtual ~HistogramWidget();

    DoubleReal getLeftSplitter();

    DoubleReal getRightSplitter();

    void setLegend(const String & legend);

public slots:
    void showSplitters(bool on);

    void setRightSplitter(DoubleReal pos);

    void setLeftSplitter(DoubleReal pos);

    void setLogMode(bool log_mode);

protected:
    Math::Histogram<> dist_;

    bool show_splitters_;

    DoubleReal left_splitter_;

    DoubleReal right_splitter_;

    UInt moving_splitter_;

    AxisWidget * bottom_axis_;

    UInt margin_;

    QPixmap buffer_;

    bool log_mode_;

    void invalidate_();


    void paintEvent(QPaintEvent *);
    void mousePressEvent(QMouseEvent *);
    void mouseReleaseEvent(QMouseEvent *);
    void mouseMoveEvent(QMouseEvent *);
    void resizeEvent(QResizeEvent *);

protected slots:

    void showContextMenu(const QPoint & pos);
  };
} // namespace OpenMS


#endif