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/**************************************************************************
**
** This file is part of Qt Creator
**
** Copyright (c) 2011 Nokia Corporation and/or its subsidiary(-ies).
**
** Contact: Nokia Corporation (info@qt.nokia.com)
**
**
** GNU Lesser General Public License Usage
**
** This file may be used under the terms of the GNU Lesser 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 will be met:
** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
**
** In addition, as a special exception, Nokia gives you certain additional
** rights. These rights are described in the Nokia Qt LGPL Exception
** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
**
** Other Usage
**
** Alternatively, this file may be used in accordance with the terms and
** conditions contained in a signed written agreement between you and Nokia.
**
** If you have questions regarding the use of this file, please contact
** Nokia at info@qt.nokia.com.
**
**************************************************************************/
#ifndef DEBUGGER_WATCHHANDLER_H
#define DEBUGGER_WATCHHANDLER_H
#include "watchdata.h"
#include <QtCore/QPointer>
#include <QtCore/QHash>
#include <QtCore/QSet>
#include <QtCore/QStringList>
#include <QtCore/QAbstractItemModel>
namespace Debugger {
class DebuggerEngine;
namespace Internal {
class WatchItem;
class WatchHandler;
enum WatchType
{
ReturnWatch,
LocalsWatch,
WatchersWatch,
TooltipsWatch
};
enum IntegerFormat
{
DecimalFormat = 0, // Keep that at 0 as default.
HexadecimalFormat,
BinaryFormat,
OctalFormat
};
class WatchModel : public QAbstractItemModel
{
Q_OBJECT
private:
explicit WatchModel(WatchHandler *handler, WatchType type);
virtual ~WatchModel();
public:
virtual int rowCount(const QModelIndex &idx = QModelIndex()) const;
virtual int columnCount(const QModelIndex &idx) const;
private:
QVariant data(const QModelIndex &index, int role) const;
bool setData(const QModelIndex &index, const QVariant &value, int role);
QModelIndex index(int, int, const QModelIndex &idx) const;
QModelIndex parent(const QModelIndex &idx) const;
bool hasChildren(const QModelIndex &idx) const;
Qt::ItemFlags flags(const QModelIndex &idx) const;
QVariant headerData(int section, Qt::Orientation orientation,
int role = Qt::DisplayRole) const;
bool canFetchMore(const QModelIndex &parent) const;
void fetchMore(const QModelIndex &parent);
friend class WatchHandler;
WatchItem *watchItem(const QModelIndex &) const;
QModelIndex watchIndex(const WatchItem *needle) const;
QModelIndex watchIndexHelper(const WatchItem *needle,
const WatchItem *parentItem, const QModelIndex &parentIndex) const;
void insertData(const WatchData &data);
void insertBulkData(const QList<WatchData> &data);
WatchItem *findItem(const QByteArray &iname, WatchItem *root) const;
void reinitialize();
void removeOutdated();
void removeOutdatedHelper(WatchItem *item);
WatchItem *rootItem() const;
void destroyItem(WatchItem *item);
void emitDataChanged(int column,
const QModelIndex &parentIndex = QModelIndex());
void beginCycle(bool fullCycle); // Called at begin of updateLocals() cycle.
void endCycle(); // Called after all results have been received.
friend QDebug operator<<(QDebug d, const WatchModel &m);
void dump();
void dumpHelper(WatchItem *item);
void emitAllChanged();
signals:
void enableUpdates(bool);
private:
QString displayType(const WatchData &typeIn) const;
QString formattedValue(const WatchData &data) const;
QString removeInitialNamespace(QString str) const;
QString removeNamespaces(QString str) const;
void formatRequests(QByteArray *out, const WatchItem *item) const;
DebuggerEngine *engine() const;
int itemFormat(const WatchData &data) const;
int m_generationCounter;
WatchHandler *m_handler;
WatchType m_type;
WatchItem *m_root;
QSet<QByteArray> m_fetchTriggered;
};
class WatchHandler : public QObject
{
Q_OBJECT
public:
explicit WatchHandler(DebuggerEngine *engine);
WatchModel *model(WatchType type) const;
WatchModel *modelForIName(const QByteArray &iname) const;
void cleanup();
void watchExpression(const QString &exp);
void removeWatchExpression(const QString &exp);
Q_SLOT void clearWatches();
Q_SLOT void emitAllChanged();
void beginCycle(bool fullCycle = true); // Called at begin of updateLocals() cycle
void updateWatchers(); // Called after locals are fetched
void endCycle(); // Called after all results have been received
void showEditValue(const WatchData &data);
void insertData(const WatchData &data);
void insertBulkData(const QList<WatchData> &data);
void removeData(const QByteArray &iname);
const WatchData *watchData(WatchType type, const QModelIndex &) const;
const WatchData *findItem(const QByteArray &iname) const;
QModelIndex itemIndex(const QByteArray &iname) const;
void loadSessionData();
void saveSessionData();
void removeTooltip();
void rebuildModel();
bool isExpandedIName(const QByteArray &iname) const
{ return m_expandedINames.contains(iname); }
QSet<QByteArray> expandedINames() const
{ return m_expandedINames; }
static QStringList watchedExpressions();
static QHash<QByteArray, int> watcherNames()
{ return m_watcherNames; }
QByteArray expansionRequests() const;
QByteArray typeFormatRequests() const;
QByteArray individualFormatRequests() const;
int format(const QByteArray &iname) const;
void addTypeFormats(const QByteArray &type, const QStringList &formats);
void setUnprintableBase(int base);
static int unprintableBase();
QByteArray watcherName(const QByteArray &exp);
void synchronizeWatchers();
QString editorContents();
private:
friend class WatchModel;
void saveWatchers();
static void loadTypeFormats();
static void saveTypeFormats();
void setFormat(const QByteArray &type, int format);
void updateWatchersWindow();
void showInEditorHelper(QString *contents, WatchItem *item, int level);
bool m_inChange;
// QWidgets and QProcesses taking care of special displays.
typedef QMap<QString, QPointer<QObject> > EditHandlers;
EditHandlers m_editHandlers;
static QHash<QByteArray, int> m_watcherNames;
static QHash<QByteArray, int> m_typeFormats;
QHash<QByteArray, int> m_individualFormats; // Indexed by iname.
QHash<QString, QStringList> m_reportedTypeFormats;
// Items expanded in the Locals & Watchers view.
QSet<QByteArray> m_expandedINames;
WatchModel *m_return;
WatchModel *m_locals;
WatchModel *m_watchers;
WatchModel *m_tooltips;
DebuggerEngine *m_engine;
int m_watcherCounter;
};
} // namespace Internal
} // namespace Debugger
#endif // DEBUGGER_WATCHHANDLER_H
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