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107 lines
2.8 KiB
107 lines
2.8 KiB
/*
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Copyright (C) 1999-2001 Stefan Westerfeld
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stefan@space.twc.de
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This library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Library General Public
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License as published by the Free Software Foundation; either
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version 2 of the License, or (at your option) any later version.
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This library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Library General Public License for more details.
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You should have received a copy of the GNU Library General Public License
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along with this library; see the file COPYING.LIB. If not, write to
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the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
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Boston, MA 02110-1301, USA.
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*/
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/*
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* BC - Status (2002-03-08): QIOManager.
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*
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* QIOManager is kept binary compatible.
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*/
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#ifndef QIOMANAGER_H
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#define QIOMANAGER_H
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#include "iomanager.h"
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#include <tqobject.h>
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#include <tqtimer.h>
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#include <tqsocketnotifier.h>
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#include <list>
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#include "arts_export.h"
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namespace Arts {
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class QIOWatch;
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class QTimeWatch;
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/**
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* QIOManager performs MCOP I/O inside the Qt event loop. This way, you will
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* be able to receive requests and notifications inside Qt application. The
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* usual way to set it up is:
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*
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* <pre>
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* KApplication app(argc, argv); // as usual
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*
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* Arts::QIOManager qiomanager;
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* Arts::Dispatcher dispatcher(&qiomanager);
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* ...
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* return app.exec(); // as usual
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* </pre>
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*/
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class ARTS_EXPORT QIOManager : public IOManager {
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protected:
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friend class QIOWatch;
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friend class QTimeWatch;
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std::list<QIOWatch *> fdList;
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std::list<QTimeWatch *> timeList;
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void dispatch(QIOWatch *ioWatch);
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void dispatch(QTimeWatch *timeWatch);
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public:
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QIOManager();
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~QIOManager();
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void processOneEvent(bool blocking);
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void run();
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void terminate();
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void watchFD(int fd, int types, IONotify *notify);
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void remove(IONotify *notify, int types);
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void addTimer(int milliseconds, TimeNotify *notify);
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void removeTimer(TimeNotify *notify);
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/**
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* This controls what QIOManager will do while waiting for the result
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* of an MCOP request, the possibilities are:
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*
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* @li block until the request is completed (true)
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* @li open a local event loop (false)
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*
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* It is much easier to write working and reliable code with blocking
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* enabled, so this is the default. If you disable blocking, you have
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* to deal with the fact that timers, user interaction and similar
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* "unpredictable" things will possibly influence your code in all
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* places where you make a remote MCOP call (which is quite often in
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* MCOP applications).
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*/
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void setBlocking(bool blocking);
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/**
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* Query whether blocking is enabled.
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*/
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bool blocking();
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};
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}
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#endif
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