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RunController.h
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RunController.h
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/*
Copyright (C) 2010 Casey Link <unnamedrambler@gmail.com>
This library is free software; you can redistribute it and/or modify it
under the terms of the GNU Library General Public License as published by
the Free Software Foundation; either version 3 of the License, or (at your
option) any later version.
This library is distributed in the hope that it will be useful, but WITHOUT
ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
FITNESS FOR A PARTICULAR PURPOSE. See the GNU Library General Public
License for more details.
You should have received a copy of the GNU Library General Public License
along with this library; see the file COPYING.LIB. If not, write to the
Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
02110-1301, USA.
*/
#ifndef RUNCONTROLLER_H
#define RUNCONTROLLER_H
#include <QObject>
#include <QTextStream>
#include <QImage>
#include <QMutex>
#include <QWaitCondition>
#include <QTimer>
class QSocketNotifier;
class NPietObserver;
struct trace_step;
struct trace_action;
class RunController : public QObject
{
Q_OBJECT
public:
RunController();
~RunController();
void putInt( int i );
void putChar( char c );
int getInt();
char getChar();
signals:
void newOutput( const QString & );
void stepped( trace_step* );
void actionChanged( trace_action* );
void stopped();
void waitingForInt();
void waitingForChar();
public slots:
void slotThreadStarted();
void debugSource( const QImage &source );
bool runSource( const QImage &source );
void step();
void stop();
private slots:
void stdoutReadyRead();
bool initialize( const QImage &source );
void execute();
void slotStepped( trace_step* );
void slotAction( trace_action* );
void tick();
private:
void captureStdout();
bool prepare();
void finish();
//Capturing program output
QTextStream* mStdOut;
QSocketNotifier* mNotifier;
int mPipeFd[2]; /**< [0] is read end, [1] is write end */
int mOrigFd;
int mOrigFdCopy;
// Reacting to notifications from npiet
NPietObserver* mObserver;
bool mPrepared;
QImage mSource;
QMutex mMutex;
QWaitCondition mWaitCond;
bool mAbort;
bool mExecuting;
bool mDebugging;
QTimer mTimer;
char mChar;
int mInt;
};
#endif // RUNCONTROLLER_H