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/**************************************************************************
**
** This file is part of Qt Creator
**
** Copyright (c) 2009 Nokia Corporation and/or its subsidiary(-ies).
**
** Contact: Qt Software Information (qt-info@nokia.com)
**
** Commercial Usage
**
** Licensees holding valid Qt Commercial licenses may use this file in
** accordance with the Qt Commercial License Agreement provided with the
** Software or, alternatively, in accordance with the terms contained in
** a written agreement between you and Nokia.
**
** GNU Lesser General Public License Usage
**
** Alternatively, 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.
**
** If you are unsure which license is appropriate for your use, please
** contact the sales department at qt-sales@nokia.com.
**
**************************************************************************/
#ifndef DEBUGGER_WATCHHANDLER_H
#define DEBUGGER_WATCHHANDLER_H
#include <QtCore/QPointer>
#include <QtCore/QObject>
#include <QtCore/QHash>
#include <QtCore/QSet>
#include <QtGui/QStandardItem>
#include <QtGui/QStandardItemModel>
#include <QtGui/QTreeView>
#include <QtScript/QScriptValue>
namespace Debugger {
namespace Internal {
class WatchData
{
public:
WatchData();
enum State
{
Complete = 0,
ChildCountNeeded = 1,
ValueNeeded = 2,
TypeNeeded = 4,
ChildrenNeeded = 8,
NeededMask = ValueNeeded
| TypeNeeded
| ChildrenNeeded
| ChildCountNeeded,
InitialState = ValueNeeded
| TypeNeeded
| ChildrenNeeded
| ChildCountNeeded
};
void setValue(const QByteArray &);
void setType(const QString &);
void setValueToolTip(const QString &);
void setError(const QString &);
void setAddress(const QString &address);
bool isSomethingNeeded() const { return state & NeededMask; }
void setAllNeeded() { state = NeededMask; }
void setAllUnneeded() { state = State(0); }
bool isTypeNeeded() const { return state & TypeNeeded; }
bool isTypeKnown() const { return !(state & TypeNeeded); }
void setTypeNeeded() { state = State(state | TypeNeeded); }
void setTypeUnneeded() { state = State(state & ~TypeNeeded); }
bool isValueNeeded() const { return state & ValueNeeded; }
bool isValueKnown() const { return !(state & ValueNeeded); }
void setValueNeeded() { state = State(state | ValueNeeded); }
void setValueUnneeded() { state = State(state & ~ValueNeeded); }
bool isChildrenNeeded() const { return state & ChildrenNeeded; }
bool isChildrenKnown() const { return !(state & ChildrenNeeded); }
void setChildrenNeeded() { state = State(state | ChildrenNeeded); }
void setChildrenUnneeded() { state = State(state & ~ChildrenNeeded); }
bool isChildCountNeeded() const { return state & ChildCountNeeded; }
bool isChildCountKnown() const { return !(state & ChildCountNeeded); }
void setChildCountNeeded() { state = State(state | ChildCountNeeded); }
void setChildCountUnneeded() { state = State(state & ~ChildCountNeeded); }
void setChildCount(int n) { childCount = n; setChildCountUnneeded();
if (n == 0) setChildrenUnneeded(); }
QString toString() const;
bool isLocal() const { return iname.startsWith(QLatin1String("local.")); }
bool isWatcher() const { return iname.startsWith(QLatin1String("watch.")); };
bool isValid() const { return !iname.isEmpty(); }
public:
QString iname; // internal name sth like 'local.baz.public.a'
QString exp; // the expression
QString name; // displayed name
QString value; // displayed value
QByteArray editvalue; // displayed value
QString valuetooltip; // tooltip in value column
QString type; // displayed type
QString variable; // name of internal Gdb variable if created
QString addr; // displayed adress
QString framekey; // key for type cache
QScriptValue scriptValue; // if needed...
int childCount;
bool valuedisabled; // value will be greyed out
private:
public:
int state;
// Model
int parentIndex;
int row;
int level;
QList<int> childIndex;
bool changed;
};
enum { INameRole = Qt::UserRole, VisualRole, ExpandedRole };
class WatchHandler : public QAbstractItemModel
{
Q_OBJECT
public:
WatchHandler();
QAbstractItemModel *model() { return this; }
//
// QAbstractItemModel
//
bool setData(const QModelIndex &index, const QVariant &value, int role);
QVariant data(const QModelIndex &index, int role) const;
QModelIndex index(int, int, const QModelIndex &idx) const;
QModelIndex parent(const QModelIndex &idx) const;
int rowCount(const QModelIndex &idx) const;
int columnCount(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 checkIndex(int id) const;
//public slots:
void cleanup();
void watchExpression(const QString &exp);
void removeWatchExpression(const QString &exp);
void reinitializeWatchers();
void collapseChildren(const QModelIndex &idx);
void expandChildren(const QModelIndex &idx);
void rebuildModel(); // unconditionally version of above
void showEditValue(const WatchData &data);
bool isDisplayedIName(const QString &iname) const
{ return m_displayedINames.contains(iname); }
bool isExpandedIName(const QString &iname) const
{ return m_expandedINames.contains(iname); }
void insertData(const WatchData &data);
QList<WatchData> takeCurrentIncompletes();
bool canFetchMore(const QModelIndex &parent) const;
void fetchMore(const QModelIndex &parent);
WatchData *findData(const QString &iname);
void loadSessionData();
void saveSessionData();
signals:
void watchModelUpdateRequested();
void sessionValueRequested(const QString &name, QVariant *value);
void setSessionValueRequested(const QString &name, const QVariant &value);
private:
void reinitializeWatchersHelper();
WatchData takeData(const QString &iname);
QString toString() const;
void loadWatchers();
void saveWatchers();
bool m_expandPointers;
bool m_inChange;
typedef QMap<QString, QPointer<QWidget> > EditWindows;
EditWindows m_editWindows;
QList<WatchData> m_incompleteSet;
QList<WatchData> m_completeSet;
QList<WatchData> m_oldSet;
QList<WatchData> m_displaySet;
QStringList m_watchers;
void setDisplayedIName(const QString &iname, bool on);
QSet<QString> m_expandedINames; // those expanded in the treeview
QSet<QString> m_displayedINames; // those with "external" viewers
bool m_inFetchMore;
};
} // namespace Internal
} // namespace Debugger
Q_DECLARE_METATYPE(Debugger::Internal::WatchData);
#endif // DEBUGGER_WATCHHANDLER_H
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