| 1 | /** @file
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| 2 | *
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| 3 | * VBox frontends: Qt GUI ("VirtualBox"):
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| 4 | * VirtualBox Qt extensions: QIStateIndicator 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 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 __QIStateIndicator_h__
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| 20 | #define __QIStateIndicator_h__
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| 21 |
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| 22 | /* Qt includes */
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| 23 | #include <QFrame>
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| 24 | #include <QHash>
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| 25 |
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| 26 | class QIStateIndicator : public QFrame
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| 27 | {
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| 28 | Q_OBJECT;
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| 29 |
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| 30 | public:
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| 31 |
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| 32 | QIStateIndicator (QWidget *pParent = 0);
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| 33 | QIStateIndicator (int aState);
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| 34 | ~QIStateIndicator();
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| 35 |
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| 36 | virtual QSize sizeHint() const;
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| 37 |
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| 38 | int state () const { return mState; }
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| 39 |
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| 40 | QPixmap stateIcon (int aState) const;
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| 41 | void setStateIcon (int aState, const QPixmap &aPixmap);
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| 42 |
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| 43 | virtual void updateAppearance() {}
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| 44 |
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| 45 | public slots:
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| 46 |
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| 47 | virtual void setState (int aState);
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| 48 | virtual void setState (bool aState) { setState ((int) aState); }
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| 49 |
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| 50 | signals:
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| 51 |
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| 52 | void mouseDoubleClicked (QIStateIndicator *aIndicator,
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| 53 | QMouseEvent *aEv);
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| 54 | void contextMenuRequested (QIStateIndicator *aIndicator,
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| 55 | QContextMenuEvent *aEv);
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| 56 |
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| 57 | protected:
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| 58 |
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| 59 | virtual void paintEvent (QPaintEvent *aEv);
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| 60 | virtual void drawContents (QPainter *aPainter);
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| 61 |
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| 62 | #ifdef Q_WS_MAC
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| 63 | virtual void mousePressEvent (QMouseEvent *aEv);
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| 64 | #endif
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| 65 | virtual void mouseDoubleClickEvent (QMouseEvent *aEv);
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| 66 | virtual void contextMenuEvent (QContextMenuEvent *aEv);
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| 67 |
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| 68 | private:
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| 69 |
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| 70 | int mState;
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| 71 | QSize mSize;
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| 72 |
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| 73 | struct Icon
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| 74 | {
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| 75 | Icon (const QPixmap &aPixmap)
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| 76 | : pixmap (aPixmap)
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| 77 | , bgPixmap (NULL) {}
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| 78 |
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| 79 | QPixmap pixmap;
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| 80 | QPixmap cached;
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| 81 | QColor bgColor;
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| 82 | const QPixmap *bgPixmap;
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| 83 | QPoint bgOff;
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| 84 | };
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| 85 |
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| 86 | QHash <int, Icon *> mStateIcons;
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| 87 | };
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| 88 |
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| 89 | #endif // __QIStateIndicator_h__
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| 90 |
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