MultiGradientSelector.h

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// Copyright (c) 2002-present, The OpenMS Team -- EKU Tuebingen, ETH Zurich, and FU Berlin
// SPDX-License-Identifier: BSD-3-Clause
//
// --------------------------------------------------------------------------
// $Maintainer: Timo Sachsenberg$
// $Authors: Marc Sturm $
// --------------------------------------------------------------------------
 
#pragma once
 
// OpenMS_GUI config
#include <OpenMS/VISUAL/OpenMS_GUIConfig.h>
 
//OpenMS
#include <OpenMS/CONCEPT/Types.h>
#include <OpenMS/VISUAL/MultiGradient.h>
 
//QT
#include <QtWidgets>
 
class QPaintEvent;
class QMouseEvent;
class QKeyEvent;
class QContextMenuEvent;
 
//std lib
#include <vector>
 
namespace OpenMS
{
 
  class OPENMS_GUI_DLLAPI MultiGradientSelector :
    public QWidget
  {
    Q_OBJECT
public:
    MultiGradientSelector(QWidget * parent = nullptr);
    ~MultiGradientSelector() override;
 
    const MultiGradient & gradient() const;
    MultiGradient & gradient();
 
    void setInterpolationMode(MultiGradient::InterpolationMode mode);
    MultiGradient::InterpolationMode getInterpolationMode() const;
 
public slots:
    void stairsInterpolation(bool state);
 
protected:
 
    void paintEvent(QPaintEvent * e) override;
    void mousePressEvent(QMouseEvent * e) override;
    void mouseMoveEvent(QMouseEvent * e) override;
    void mouseReleaseEvent(QMouseEvent * e) override;
    void mouseDoubleClickEvent(QMouseEvent * e) override;
    void keyPressEvent(QKeyEvent * e) override;
    void contextMenuEvent(QContextMenuEvent * e) override;
 
    // the actual gradient
    MultiGradient gradient_;
 
    // border margin
    Int margin_;
    // height of the gradient area
    Int gradient_area_width_;
    // height of the lever area
    Int lever_area_height_;
 
    //position (0-100) in the vector of the selected lever
    Int selected_;
    //color of the selected lever
    QColor selected_color_;
 
    //stores if the left button is pressed
    bool left_button_pressed_;
  };
 
}