#pragma once
 
#ifndef HISTORYPANE_H
#define HISTORYPANE_H
 
#include <QScrollArea>
 
class HistoryField : public QFrame
{
	Q_OBJECT
 
	QScrollArea *m_scrollArea;
 
public:
#if QT_VERSION >= 0x050500
	HistoryField(QScrollArea *parent = 0, Qt::WindowFlags flags = 0);
#else
	HistoryField(QScrollArea *parent = 0, Qt::WFlags flags = 0);
#endif
	~HistoryField(){};
 
	void updateContentHeight(int minimumHeight = -1);
	int y2index(int y) const;
	int index2y(int index) const;
 
	void exposeCurrent();
 
protected:
	void paintEvent(QPaintEvent *);
	void mousePressEvent(QMouseEvent *event);
};
 
class HistoryPane : public QWidget
{
	Q_OBJECT
 
	HistoryField *m_field;
	QScrollArea *m_frameArea;
 
public:
#if QT_VERSION >= 0x050500
	HistoryPane(QWidget *parent = 0, Qt::WindowFlags flags = 0);
#else
	HistoryPane(QWidget *parent = 0, Qt::WFlags flags = 0);
#endif
	~HistoryPane(){};
 
protected:
	void resizeEvent(QResizeEvent *);
	void showEvent(QShowEvent *);
	void hideEvent(QHideEvent *);
 
public slots:
	void onHistoryChanged();
};
 
#endif