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219
src/plugins/debugger/watchhandler.h
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219
src/plugins/debugger/watchhandler.h
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/***************************************************************************
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**
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** This file is part of Qt Creator
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**
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** Copyright (c) 2008 Nokia Corporation and/or its subsidiary(-ies).
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**
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** Contact: Qt Software Information (qt-info@nokia.com)
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**
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**
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** Non-Open Source Usage
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**
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** Licensees may use this file in accordance with the Qt Beta Version
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** License Agreement, Agreement version 2.2 provided with the Software or,
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** alternatively, in accordance with the terms contained in a written
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** agreement between you and Nokia.
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**
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** GNU General Public License Usage
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**
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** Alternatively, this file may be used under the terms of the GNU General
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** Public License versions 2.0 or 3.0 as published by the Free Software
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** Foundation and appearing in the file LICENSE.GPL included in the packaging
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** of this file. Please review the following information to ensure GNU
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** General Public Licensing requirements will be met:
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**
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** http://www.fsf.org/licensing/licenses/info/GPLv2.html and
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** http://www.gnu.org/copyleft/gpl.html.
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**
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** In addition, as a special exception, Nokia gives you certain additional
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** rights. These rights are described in the Nokia Qt GPL Exception version
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** 1.2, included in the file GPL_EXCEPTION.txt in this package.
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**
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***************************************************************************/
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#ifndef DEBUGGER_WATCHHANDLER_H
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#define DEBUGGER_WATCHHANDLER_H
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#include <QtCore/QPointer>
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#include <QtCore/QObject>
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#include <QtCore/QHash>
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#include <QtCore/QSet>
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#include <QtGui/QStandardItem>
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#include <QtGui/QStandardItemModel>
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#include <QtGui/QTreeView>
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#include <QtScript/QScriptValue>
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namespace Debugger {
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namespace Internal {
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class WatchData
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{
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public:
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WatchData();
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enum State
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{
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Complete = 0,
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ChildCountNeeded = 1,
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ValueNeeded = 2,
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TypeNeeded = 4,
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ChildrenNeeded = 8,
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NeededMask = ValueNeeded
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| TypeNeeded
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| ChildrenNeeded
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| ChildCountNeeded,
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InitialState = ValueNeeded
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| TypeNeeded
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| ChildrenNeeded
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| ChildCountNeeded
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};
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void setValue(const QByteArray &);
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void setType(const QString &);
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void setValueToolTip(const QString &);
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void setError(const QString &);
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void setAddress(const QString &address);
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bool isSomethingNeeded() const { return state & NeededMask; }
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void setAllNeeded() { state = NeededMask; }
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void setAllUnneeded() { state = State(0); }
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bool isTypeNeeded() const { return state & TypeNeeded; }
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bool isTypeKnown() const { return !(state & TypeNeeded); }
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void setTypeNeeded() { state = State(state | TypeNeeded); }
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void setTypeUnneeded() { state = State(state & ~TypeNeeded); }
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bool isValueNeeded() const { return state & ValueNeeded; }
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bool isValueKnown() const { return !(state & ValueNeeded); }
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void setValueNeeded() { state = State(state | ValueNeeded); }
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void setValueUnneeded() { state = State(state & ~ValueNeeded); }
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bool isChildrenNeeded() const { return state & ChildrenNeeded; }
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bool isChildrenKnown() const { return !(state & ChildrenNeeded); }
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void setChildrenNeeded() { state = State(state | ChildrenNeeded); }
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void setChildrenUnneeded() { state = State(state & ~ChildrenNeeded); }
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bool isChildCountNeeded() const { return state & ChildCountNeeded; }
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bool isChildCountKnown() const { return !(state & ChildCountNeeded); }
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void setChildCountNeeded() { state = State(state | ChildCountNeeded); }
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void setChildCountUnneeded() { state = State(state & ~ChildCountNeeded); }
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void setChildCount(int n) { childCount = n; setChildCountUnneeded();
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if (n == 0) setChildrenUnneeded(); }
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QString toString() const;
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bool isLocal() const { return iname.startsWith(QLatin1String("local.")); }
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bool isWatcher() const { return iname.startsWith(QLatin1String("watch.")); };
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bool isValid() const { return !iname.isEmpty(); }
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public:
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QString iname; // internal name sth like 'local.baz.public.a'
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QString exp; // the expression
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QString name; // displayed name
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QString value; // displayed value
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QByteArray editvalue; // displayed value
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QString valuetooltip; // tooltip in value column
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QString type; // displayed type
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QString variable; // name of internal Gdb variable if created
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QString addr; // displayed adress
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QString framekey; // key for type cache
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QScriptValue scriptValue; // if needed...
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int childCount;
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bool valuedisabled; // value will be greyed out
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private:
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public:
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int state;
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// Model
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int parentIndex;
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int row;
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int level;
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QList<int> childIndex;
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bool changed;
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};
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enum { INameRole = Qt::UserRole, VisualRole };
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class WatchHandler : public QAbstractItemModel
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{
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Q_OBJECT
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public:
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WatchHandler();
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QAbstractItemModel *model() { return this; }
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//
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// QAbstractItemModel
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//
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bool setData(const QModelIndex &index, const QVariant &value, int role);
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QVariant data(const QModelIndex &index, int role) const;
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QModelIndex index(int, int, const QModelIndex &idx) const;
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QModelIndex parent(const QModelIndex &idx) const;
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int rowCount(const QModelIndex &idx) const;
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int columnCount(const QModelIndex &idx) const;
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bool hasChildren(const QModelIndex &idx) const;
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Qt::ItemFlags flags(const QModelIndex &idx) const;
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QVariant headerData(int section, Qt::Orientation orientation,
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int role = Qt::DisplayRole) const;
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bool checkIndex(int id) const;
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//public slots:
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void cleanup();
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void watchExpression(const QString &exp);
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void removeWatchExpression(const QString &exp);
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void reinitializeWatchers();
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void collapseChildren(const QModelIndex &idx);
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void expandChildren(const QModelIndex &idx);
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void rebuildModel(); // unconditionally version of above
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void showEditValue(const WatchData &data);
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bool isDisplayedIName(const QString &iname) const
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{ return m_displayedINames.contains(iname); }
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bool isExpandedIName(const QString &iname) const
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{ return m_expandedINames.contains(iname); }
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void insertData(const WatchData &data);
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QList<WatchData> takeCurrentIncompletes();
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bool canFetchMore(const QModelIndex &parent) const;
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void fetchMore(const QModelIndex &parent);
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WatchData *findData(const QString &iname);
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signals:
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void watchModelUpdateRequested();
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private:
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WatchData takeData(const QString &iname);
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QString toString() const;
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void cleanModel();
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bool m_expandPointers;
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bool m_inChange;
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typedef QMap<QString, QPointer<QWidget> > EditWindows;
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EditWindows m_editWindows;
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QList<WatchData> m_incompleteSet;
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QList<WatchData> m_completeSet;
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QList<WatchData> m_oldSet;
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QList<WatchData> m_displaySet;
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void setDisplayedIName(const QString &iname, bool on);
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QSet<QString> m_expandedINames; // those expanded in the treeview
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QSet<QString> m_displayedINames; // those with "external" viewers
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bool m_inFetchMore;
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};
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} // namespace Internal
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} // namespace Debugger
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Q_DECLARE_METATYPE(Debugger::Internal::WatchData);
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#endif // DEBUGGER_WATCHHANDLER_H
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