| 1 | /* $Id: UIGraphicsZoomButton.h 69498 2017-10-28 15:07:25Z vboxsync $ */
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| 2 | /** @file
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| 3 | * VBox Qt GUI - UIGraphicsZoomButton class declaration.
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| 4 | */
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| 5 |
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| 6 | /*
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| 7 | * Copyright (C) 2012-2016 Oracle Corporation
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| 8 | *
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| 9 | * This file is part of VirtualBox Open Source Edition (OSE), as
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| 10 | * available from http://www.virtualbox.org. This file is free software;
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| 11 | * you can redistribute it and/or modify it under the terms of the GNU
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| 12 | * General Public License (GPL) as published by the Free Software
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| 13 | * Foundation, in version 2 as it comes in the "COPYING" file of the
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| 14 | * VirtualBox OSE distribution. VirtualBox OSE is distributed in the
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| 15 | * hope that it will be useful, but WITHOUT ANY WARRANTY of any kind.
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| 16 | */
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| 17 |
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| 18 | #ifndef __UIGraphicsZoomButton_h__
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| 19 | #define __UIGraphicsZoomButton_h__
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| 20 |
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| 21 | /* GUI includes: */
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| 22 | #include "UIGraphicsButton.h"
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| 23 |
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| 24 | /* Other VBox includes: */
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| 25 | #include "iprt/assert.h"
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| 26 |
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| 27 | /* Forward declarations: */
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| 28 | class QStateMachine;
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| 29 | class QPropertyAnimation;
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| 30 |
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| 31 | /* Zoom direction: */
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| 32 | enum UIGraphicsZoomDirection
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| 33 | {
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| 34 | UIGraphicsZoomDirection_Top = RT_BIT(0),
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| 35 | UIGraphicsZoomDirection_Bottom = RT_BIT(1),
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| 36 | UIGraphicsZoomDirection_Left = RT_BIT(2),
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| 37 | UIGraphicsZoomDirection_Right = RT_BIT(3)
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| 38 | };
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| 39 |
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| 40 | /* Zoom graphics-button representation: */
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| 41 | class UIGraphicsZoomButton : public UIGraphicsButton
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| 42 | {
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| 43 | Q_OBJECT;
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| 44 | Q_PROPERTY(bool stateDefault READ stateDefault WRITE setStateDefault);
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| 45 |
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| 46 | signals:
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| 47 |
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| 48 | /* Notify listeners about hover events: */
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| 49 | void sigHoverEnter();
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| 50 | void sigHoverLeave();
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| 51 |
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| 52 | public:
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| 53 |
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| 54 | /* Constructor: */
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| 55 | UIGraphicsZoomButton(QIGraphicsWidget *pParent, const QIcon &icon, int iDirection);
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| 56 |
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| 57 | /* API: Zoom stuff: */
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| 58 | int indent() const;
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| 59 | void setIndent(int iIndent);
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| 60 |
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| 61 | /* API: Animation stuff: */
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| 62 | void updateAnimation();
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| 63 |
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| 64 | protected:
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| 65 |
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| 66 | /* Data provider: */
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| 67 | QVariant data(int iKey) const;
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| 68 |
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| 69 | /* Handler: Mouse hover: */
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| 70 | void hoverEnterEvent(QGraphicsSceneHoverEvent *pEvent);
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| 71 | void hoverLeaveEvent(QGraphicsSceneHoverEvent *pEvent);
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| 72 |
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| 73 | /* Paint stuff: */
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| 74 | void paint(QPainter *pPainter, const QStyleOptionGraphicsItem *pOption, QWidget *pWidget = 0);
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| 75 |
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| 76 | private:
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| 77 |
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| 78 | /* Animation stuff: */
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| 79 | bool isAnimationRunning() const;
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| 80 |
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| 81 | /* Property stuff: */
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| 82 | bool stateDefault() const;
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| 83 | void setStateDefault(bool fStateDefault);
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| 84 |
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| 85 | /* Variables: */
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| 86 | int m_iIndent;
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| 87 | int m_iDirection;
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| 88 | int m_iAnimationDuration;
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| 89 | QStateMachine *m_pStateMachine;
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| 90 | QPropertyAnimation *m_pForwardAnimation;
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| 91 | QPropertyAnimation *m_pBackwardAnimation;
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| 92 | bool m_fStateDefault;
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| 93 | };
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| 94 |
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| 95 | #endif /* __UIGraphicsZoomButton_h__ */
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| 96 |
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