#pragma once

#ifndef HISTORYPANE_H

#define HISTORYPANE_H

#include <qscrollarea></qscrollarea>

class HistoryField final : public QFrame {

  Q_OBJECT

  QScrollArea *m_scrollArea;

public:

  HistoryField(QScrollArea *parent   = 0,

               Qt::WindowFlags flags = Qt::WindowFlags());

  ~HistoryField(){};

  void updateContentHeight(int minimumHeight = -1);

  int y2index(int y) const;

  int index2y(int index) const;

  void exposeCurrent();

protected:

  void paintEvent(QPaintEvent *) override;

  void mousePressEvent(QMouseEvent *event) override;

};

class HistoryPane final : public QWidget {

  Q_OBJECT

  HistoryField *m_field;

  QScrollArea *m_frameArea;

public:

  HistoryPane(QWidget *parent = 0, Qt::WindowFlags flags = 0);

  ~HistoryPane(){};

protected:

  void resizeEvent(QResizeEvent *) override;

  void showEvent(QShowEvent *) override;

  void hideEvent(QHideEvent *) override;

public slots:

  void onHistoryChanged();

};

#endif