| 1 | /** @file
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| 2 | *
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| 3 | * VBox frontends: Qt GUI ("VirtualBox"):
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| 4 | * UIMachineViewScale class declaration
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| 5 | */
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| 6 |
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| 7 | /*
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| 8 | * Copyright (C) 2010 Oracle Corporation
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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 ___UIMachineViewScale_h___
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| 20 | #define ___UIMachineViewScale_h___
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| 21 |
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| 22 | /* Local includes */
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| 23 | #include "UIMachineView.h"
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| 24 |
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| 25 | class UIMachineViewScale : public UIMachineView
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| 26 | {
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| 27 | Q_OBJECT;
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| 28 |
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| 29 | protected:
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| 30 |
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| 31 | /* Scale machine-view constructor: */
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| 32 | UIMachineViewScale( UIMachineWindow *pMachineWindow
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| 33 | , ulong uScreenId
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| 34 | #ifdef VBOX_WITH_VIDEOHWACCEL
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| 35 | , bool bAccelerate2DVideo
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| 36 | #endif
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| 37 | );
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| 38 | /* Scale machine-view destructor: */
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| 39 | virtual ~UIMachineViewScale();
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| 40 |
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| 41 | virtual void takePauseShotLive();
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| 42 | virtual void takePauseShotSnapshot();
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| 43 | virtual void resetPauseShot();
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| 44 | void scalePauseShot();
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| 45 |
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| 46 | private slots:
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| 47 |
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| 48 | /* Slot to perform guest resize: */
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| 49 | void sltPerformGuestScale();
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| 50 |
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| 51 | /* Watch dog for desktop resizes: */
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| 52 | void sltDesktopResized();
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| 53 |
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| 54 | private:
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| 55 |
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| 56 | /* Event handlers: */
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| 57 | bool event(QEvent *pEvent);
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| 58 | bool eventFilter(QObject *pWatched, QEvent *pEvent);
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| 59 |
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| 60 | /* Prepare helpers: */
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| 61 | void prepareFrameBuffer();
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| 62 | void prepareConnections();
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| 63 | //void loadMachineViewSettings();
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| 64 |
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| 65 | /* Cleanup helpers: */
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| 66 | void saveMachineViewSettings();
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| 67 | //void cleanupConnections() {}
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| 68 | //void cleanupFrameBuffer() {}
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| 69 |
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| 70 | /* Private helpers: */
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| 71 | QSize sizeHint() const;
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| 72 | void normalizeGeometry(bool /* fAdjustPosition */) {}
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| 73 | QRect workingArea();
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| 74 | void calculateDesktopGeometry();
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| 75 | void maybeRestrictMinimumSize() {}
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| 76 | void updateSliders();
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| 77 |
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| 78 | /* Private members: */
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| 79 | QImage *m_pPauseImage;
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| 80 |
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| 81 | /* Friend classes: */
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| 82 | friend class UIMachineView;
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| 83 | };
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| 84 |
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| 85 | #endif // !___UIMachineViewScale_h___
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| 86 |
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