/* This file is part of KCachegrind.
   Copyright (c) 2003-2016 Josef Weidendorfer <Josef.Weidendorfer@gmx.de>

   KCachegrind is free software; you can redistribute it and/or
   modify it under the terms of the GNU General Public
   License as published by the Free Software Foundation, version 2.

   This program is distributed in the hope that it will be useful,
   but WITHOUT ANY WARRANTY; without even the implied warranty of
   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
   General Public License for more details.

   You should have received a copy of the GNU General Public License
   along with this program; see the file COPYING.  If not, write to
   the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
   Boston, MA 02110-1301, USA.
*/

/*
 * Items of instruction view.
 */

#ifndef INSTRITEM_H
#define INSTRITEM_H


#include <QTreeWidget>
#include <QItemDelegate>

#include "tracedata.h"

class InstrView;

class InstrItem: public QTreeWidgetItem
{

public:
    // for messages
    InstrItem(InstrView* iv, QTreeWidget* parent,
              Addr addr, const QString&);

    // for instruction lines
    InstrItem(InstrView* iv, QTreeWidget* parent,
              Addr addr, bool inside,
              const QString&, const QString&, const QString&,
              TraceInstr* instr);

    // for call instr
    InstrItem(InstrView* iv, QTreeWidgetItem* parent, Addr addr,
              TraceInstr* instr, TraceInstrCall* instrCall);

    // for jump lines
    InstrItem(InstrView* iv, QTreeWidgetItem* parent, Addr addr,
              TraceInstr* instr, TraceInstrJump* instrJump);

    Addr addr() const { return _addr; }
    bool inside() const { return _inside; }
    TraceInstr* instr() const { return _instr; }
    TraceInstrCall* instrCall() const { return _instrCall; }
    TraceInstrJump* instrJump() const { return _instrJump; }
    TraceInstrJump* jump(int i) const { return _jump[i]; }
    int jumpCount() const { return _jump.size(); }
    bool operator< ( const QTreeWidgetItem & other ) const Q_DECL_OVERRIDE;

    void updateGroup();
    void updateCost();

    // arrow lines
    void setJumpArray(const QVector<TraceInstrJump*>& a);

private:
    InstrView* _view;
    SubCost _pure, _pure2;
    Addr _addr;
    TraceInstr* _instr;
    TraceInstrJump* _instrJump;
    TraceInstrCall* _instrCall;
    bool _inside;

    QVector<TraceInstrJump*> _jump;
};

// Delegate for drawing the arrows column

class InstrItemDelegate : public QItemDelegate
{
    Q_OBJECT
public:
    explicit InstrItemDelegate(InstrView *parent);
    void paint(QPainter *painter, const QStyleOptionViewItem &option,
               const QModelIndex & index ) const Q_DECL_OVERRIDE;
    QSize sizeHint(const QStyleOptionViewItem &option,
                   const QModelIndex &index) const Q_DECL_OVERRIDE;

protected:
    void paintArrows(QPainter *p,
                     const QStyleOptionViewItem &option,
                     const QModelIndex &index) const;

    InstrView* _parent;
};


#endif // INSTRITEM_H
