goldendict-ng/programs.hh
2012-02-21 01:47:14 +04:00

85 lines
1.7 KiB
C++

/* This file is (c) 2008-2012 Konstantin Isakov <ikm@goldendict.org>
* Part of GoldenDict. Licensed under GPLv3 or later, see the LICENSE file */
#ifndef __PROGRAMS_HH_INCLUDED__
#define __PROGRAMS_HH_INCLUDED__
#include <QProcess>
#include "dictionary.hh"
#include "config.hh"
#include "wstring.hh"
/// Support for arbitrary programs.
namespace Programs {
using std::vector;
using std::string;
using gd::wstring;
vector< sptr< Dictionary::Class > > makeDictionaries( Config::Programs const & )
throw( std::exception );
class RunInstance: public QObject
{
Q_OBJECT
QProcess process;
public:
RunInstance();
// Starts the process. Should only be used once. The finished() signal will
// be emitted once it finishes. If there's an error, returns false and the
// description is saved to 'error'.
bool start( Config::Program const &, QString const & word, QString & error );
signals:
// Connect to this signal to get run results
void finished( QByteArray output, QString error );
// Used internally only
signals:
void processFinished();
private slots:
void handleProcessFinished();
};
class ProgramDataRequest: public Dictionary::DataRequest
{
Q_OBJECT
Config::Program prg;
RunInstance instance;
public:
ProgramDataRequest( QString const & word, Config::Program const & );
virtual void cancel();
private slots:
void instanceFinished( QByteArray output, QString error );
};
class ProgramWordSearchRequest: public Dictionary::WordSearchRequest
{
Q_OBJECT
Config::Program prg;
RunInstance instance;
public:
ProgramWordSearchRequest( QString const & word, Config::Program const & );
virtual void cancel();
private slots:
void instanceFinished( QByteArray output, QString error );
};
}
#endif