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Diffstat (limited to 'src/kernel/qeventloop.h')
-rw-r--r-- | src/kernel/qeventloop.h | 122 |
1 files changed, 122 insertions, 0 deletions
diff --git a/src/kernel/qeventloop.h b/src/kernel/qeventloop.h new file mode 100644 index 000000000..9b47295d5 --- /dev/null +++ b/src/kernel/qeventloop.h @@ -0,0 +1,122 @@ +/**************************************************************************** +** +** Declaration of TQEventLoop class +** +** Copyright (C) 1992-2008 Trolltech ASA. All rights reserved. +** +** This file is part of the kernel module of the TQt GUI Toolkit. +** +** This file may be used under the terms of the GNU General +** Public License versions 2.0 or 3.0 as published by the Free +** Software Foundation and appearing in the files LICENSE.GPL2 +** and LICENSE.GPL3 included in the packaging of this file. +** Alternatively you may (at your option) use any later version +** of the GNU General Public License if such license has been +** publicly approved by Trolltech ASA (or its successors, if any) +** and the KDE Free TQt Foundation. +** +** Please review the following information to ensure GNU General +** Public Licensing retquirements will be met: +** http://trolltech.com/products/qt/licenses/licensing/opensource/. +** If you are unsure which license is appropriate for your use, please +** review the following information: +** http://trolltech.com/products/qt/licenses/licensing/licensingoverview +** or contact the sales department at sales@trolltech.com. +** +** This file may be used under the terms of the Q Public License as +** defined by Trolltech ASA and appearing in the file LICENSE.TQPL +** included in the packaging of this file. Licensees holding valid TQt +** Commercial licenses may use this file in accordance with the TQt +** Commercial License Agreement provided with the Software. +** +** This file is provided "AS IS" with NO WARRANTY OF ANY KIND, +** INCLUDING THE WARRANTIES OF DESIGN, MERCHANTABILITY AND FITNESS FOR +** A PARTICULAR PURPOSE. Trolltech reserves all rights not granted +** herein. +** +**********************************************************************/ + +#ifndef TQEVENTLOOP_H +#define TQEVENTLOOP_H + +#ifndef QT_H +#include "qobject.h" +#include "qsocketnotifier.h" +#endif // QT_H + +class TQEventLoopPrivate; +class TQSocketNotifier; +class TQTimer; +#ifdef Q_WS_MAC +struct timeval; //stdc struct +struct TimerInfo; //internal structure (qeventloop_mac.cpp) +#endif + +#if defined(QT_THREAD_SUPPORT) +class TQMutex; +#endif // QT_THREAD_SUPPORT + + +class Q_EXPORT TQEventLoop : public TQObject +{ + Q_OBJECT + +public: + TQEventLoop( TQObject *parent = 0, const char *name = 0 ); + ~TQEventLoop(); + + enum ProcessEvents { + AllEvents = 0x00, + ExcludeUserInput = 0x01, + ExcludeSocketNotifiers = 0x02, + WaitForMore = 0x04 + }; + typedef uint ProcessEventsFlags; + + void processEvents( ProcessEventsFlags flags, int maxtime ); + virtual bool processEvents( ProcessEventsFlags flags ); + + virtual bool hasPendingEvents() const; + + virtual void registerSocketNotifier( TQSocketNotifier * ); + virtual void unregisterSocketNotifier( TQSocketNotifier * ); + void setSocketNotifierPending( TQSocketNotifier * ); + int activateSocketNotifiers(); + + int activateTimers(); + int timeToWait() const; + + virtual int exec(); + virtual void exit( int retcode = 0 ); + + virtual int enterLoop(); + virtual void exitLoop(); + virtual int loopLevel() const; + + virtual void wakeUp(); + +signals: + void awake(); + void aboutToBlock(); + +private: +#if defined(Q_WS_MAC) + friend TQMAC_PASCAL void qt_mac_select_timer_callbk(EventLoopTimerRef, void *); + int macHandleSelect(timeval *); + void macHandleTimer(TimerInfo *); +#endif // Q_WS_MAC + + // internal initialization/cleanup - implemented in various platform specific files + void init(); + void cleanup(); + virtual void appStartingUp(); + virtual void appClosingDown(); + + // data for the default implementation - other implementations should not + // use/need this data + TQEventLoopPrivate *d; + + friend class TQApplication; +}; + +#endif // TQEVENTLOOP_H |