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

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** Copyright (C) 2016 The Qt Company Ltd.
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#ifndef DEBUGGER_DEBUGGERTOOLTIPMANAGER_H
#define DEBUGGER_DEBUGGERTOOLTIPMANAGER_H

#include "debuggerconstants.h"

#include <QCoreApplication>
#include <QDate>
#include <QPoint>

QT_BEGIN_NAMESPACE
class QAbstractItemModel;
QT_END_NAMESPACE

namespace Debugger {
namespace Internal {

class DebuggerEngine;
class DebuggerCommand;
class StackFrame;

class DebuggerToolTipContext
{
public:
    DebuggerToolTipContext();
    bool isValid() const { return !expression.isEmpty(); }
    bool matchesFrame(const StackFrame &frame) const;
    bool isSame(const DebuggerToolTipContext &other) const;
    void appendFormatRequest(DebuggerCommand *cmd) const;
    QString toolTip() const;

    QString fileName;
    int position;
    int line;
    int column;
    int scopeFromLine;
    int scopeToLine;
    QString function; //!< Optional, informational only.
    QString engineType;
    QDate creationDate;

    QPoint mousePosition;
    QString expression;
    QByteArray iname;
    bool isCppEditor;
};

typedef QList<DebuggerToolTipContext> DebuggerToolTipContexts;

class DebuggerToolTipManager : public QObject
{
    Q_OBJECT

public:
    DebuggerToolTipManager();
    ~DebuggerToolTipManager();

    static void registerEngine(DebuggerEngine *engine);
    static void deregisterEngine(DebuggerEngine *engine);
    static void updateEngine(DebuggerEngine *engine);
    static bool hasToolTips();

    static DebuggerToolTipContexts pendingTooltips(DebuggerEngine *engine);

    virtual bool eventFilter(QObject *, QEvent *);

    void debugModeEntered();
    void leavingDebugMode();
    void sessionAboutToChange();
    static void loadSessionData();
    static void saveSessionData();
    static void closeAllToolTips();
    static void resetLocation();

public slots:
    static void slotUpdateVisibleToolTips();
};

} // namespace Internal
} // namespace Debugger

#endif // DEBUGGER_INTERNAL_DEBUGGERTOOLTIPMANAGER_H