| 1 | /** @file
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| 2 | *
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| 3 | * VBox frontends: Qt GUI ("VirtualBox"):
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| 4 | * innotek Qt extensions: QIApplication class declaration
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| 5 | */
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| 6 |
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| 7 | /*
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| 8 | * Copyright (C) 2006-2007 innotek GmbH
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| 9 | *
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| 10 | * This file is part of VirtualBox Open Source Edition (OSE), as
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| 11 | * available from http://www.virtualbox.org. This file is free software;
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| 12 | * you can redistribute it and/or modify it under the terms of the GNU
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| 13 | * General Public License (GPL) as published by the Free Software
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| 14 | * Foundation, in version 2 as it comes in the "COPYING" file of the
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| 15 | * VirtualBox OSE distribution. VirtualBox OSE is distributed in the
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| 16 | * hope that it will be useful, but WITHOUT ANY WARRANTY of any kind.
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| 17 | */
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| 18 |
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| 19 | #ifndef __QIApplication_h__
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| 20 | #define __QIApplication_h__
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| 21 |
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| 22 | #include <qapplication.h>
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| 23 |
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| 24 | typedef bool (*QIFilterCallback)(EventRef inEvent, void *inUserArg);
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| 25 |
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| 26 |
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| 27 | /** Sligtly modified QApplication class.
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| 28 | *
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| 29 | * The sole purpose of this class (ATM) is to hook the macEventFilter
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| 30 | * in order to intercept Command-Q, Command-H and similar menu hot-keys
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| 31 | * before the HI Manager translate them into (menu) command events and
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| 32 | * start blinking menus in the menu bar.
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| 33 | *
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| 34 | * @remark
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| 35 | * A special hack in qeventloop_mac.cpp is required for this
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| 36 | * to work. Overloading QEventLoop::processEvents isn't feasable
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| 37 | * unfortunately, thus the horrible hacks. Qt 4 does seem to provide
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| 38 | * an interface similar to the one we create here.
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| 39 | *
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| 40 | * Btw. is QI* the right right way to do this? Or should it perhapse
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| 41 | * be called VBoxQApplication or something?
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| 42 | */
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| 43 | class QIApplication : public QApplication
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| 44 | {
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| 45 | public:
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| 46 | QIApplication (int &argc, char **argv)
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| 47 | : QApplication (argc, argv)
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| 48 | #ifdef Q_WS_MAC
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| 49 | , m_callback (NULL)
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| 50 | , m_callbackUserArg (NULL)
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| 51 | #endif
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| 52 | {
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| 53 | }
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| 54 |
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| 55 | #ifdef Q_WS_MAC
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| 56 | bool macEventFilter (EventHandlerCallRef, EventRef inEvent)
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| 57 | {
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| 58 | if ( m_callback
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| 59 | && m_callback (inEvent, m_callbackUserArg))
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| 60 | return true;
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| 61 | return false;
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| 62 | }
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| 63 |
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| 64 | void setEventFilter (QIFilterCallback callback, void *inUserArg)
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| 65 | {
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| 66 | m_callback = callback;
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| 67 | m_callbackUserArg = inUserArg;
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| 68 | }
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| 69 |
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| 70 | protected:
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| 71 | QIFilterCallback m_callback;
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| 72 | void *m_callbackUserArg;
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| 73 |
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| 74 | public:
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| 75 | #endif
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| 76 | };
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| 77 |
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| 78 |
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| 79 | #endif // __QIApplication_h__
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| 80 |
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