qt-creator/src/plugins/debugger/breakhandler.h

/**************************************************************************
**
** This file is part of Qt Creator
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** Copyright (c) 2010 Nokia Corporation and/or its subsidiary(-ies).
**
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** accordance with the Qt Commercial License Agreement provided with the
** Software or, alternatively, in accordance with the terms contained in
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** GNU Lesser General Public License Usage
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** General Public License version 2.1 as published by the Free Software
** Foundation and appearing in the file LICENSE.LGPL included in the
** packaging of this file.  Please review the following information to
** ensure the GNU Lesser General Public License version 2.1 requirements
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#ifndef DEBUGGER_BREAKHANDLER_H
#define DEBUGGER_BREAKHANDLER_H

#include "breakpoint.h"

#include <QtCore/QObject>
#include <QtCore/QAbstractTableModel>
#include <QtGui/QIcon>

namespace Debugger {
namespace Internal {

//////////////////////////////////////////////////////////////////
//
// BreakHandler
//
//////////////////////////////////////////////////////////////////

class BreakHandler : public QAbstractTableModel
{
    Q_OBJECT

public:
    explicit BreakHandler(DebuggerManager *manager, QObject *parent = 0);
    ~BreakHandler();

    void removeAllBreakpoints();
    void setAllPending();
    void loadSessionData();
    void saveSessionData();

    QAbstractItemModel *model() { return this; }

    BreakpointData *at(int index) const;
    int size() const { return m_bp.size(); }
    bool hasPendingBreakpoints() const;
    void append(BreakpointData *data);
    void removeAt(int index); // This also deletes the marker.
    void clear(); // This also deletes all the marker.
    int indexOf(BreakpointData *data) { return m_bp.indexOf(data); }
    // If lineNumber < 0, interpret fileName as address.
    int findBreakpoint(const QString &fileName, int lineNumber) const;
    int findBreakpoint(const BreakpointData &data) const; // Returns index.
    BreakpointData *findBreakpoint(int bpNumber) const;
    void updateMarkers();

    QList<BreakpointData *> insertedBreakpoints() const;
    void takeInsertedBreakPoint(BreakpointData *);
    QList<BreakpointData *> takeRemovedBreakpoints(); // Owned.
    QList<BreakpointData *> takeEnabledBreakpoints(); // Not owned.
    QList<BreakpointData *> takeDisabledBreakpoints(); // Not owned.

    QIcon breakpointIcon() const         { return m_breakpointIcon; }
    QIcon disabledBreakpointIcon() const { return m_disabledBreakpointIcon; }
    QIcon pendingBreakPointIcon() const  { return m_pendingBreakPointIcon; }

public slots:
    void appendBreakpoint(BreakpointData *data);
    void toggleBreakpointEnabled(BreakpointData *data);
    void breakByFunction(const QString &functionName);
    void removeBreakpoint(int index);

private:
    friend class BreakpointMarker;

    // QAbstractItemModel
    int columnCount(const QModelIndex &parent) const;
    int rowCount(const QModelIndex &parent) const;
    QVariant data(const QModelIndex &index, int role) const;
    bool setData(const QModelIndex &index, const QVariant &, int role);
    QVariant headerData(int section, Qt::Orientation orientation, int role) const;
    Qt::ItemFlags flags(const QModelIndex &index) const;

    void markerUpdated(BreakpointMarker *, int lineNumber);
    void loadBreakpoints();
    void saveBreakpoints();
    void resetBreakpoints();
    void removeBreakpointHelper(int index);

    const QIcon m_breakpointIcon;
    const QIcon m_disabledBreakpointIcon;
    const QIcon m_pendingBreakPointIcon;
    const QIcon m_watchpointIcon;

    DebuggerManager *m_manager; // Not owned.
    QList<BreakpointData *> m_bp;
    QList<BreakpointData *> m_inserted; // Lately inserted breakpoints.
    QList<BreakpointData *> m_removed; // Lately removed breakpoints.
    QList<BreakpointData *> m_enabled; // Lately enabled breakpoints.
    QList<BreakpointData *> m_disabled; // Lately disabled breakpoints.
};

} // namespace Internal
} // namespace Debugger

#endif // DEBUGGER_BREAKHANDLER_H