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41
42#include <QtCore/QEvent>
43#include <QtCore/QString>
44
45//! A custom event representing a graphics system switch.
46/*!
47 This event is sent two times -- before the actual switch and after the switch.
48 The current mode of the event can be detected by looking at the State of the
49 event.
50
51 The end-user application can use the event to drop it's own allocated GL resources
52 when going to software mode.
53*/
54
55class Q_DECL_EXPORT QMeeGoSwitchEvent : public QEvent
56{
57public:
58
59 //! The state represented by this event.
60 enum State {
61 WillSwitch,
62 DidSwitch
63 };
64
65 //! Constructor for the event.
66 /*!
67 Creates a new event with the given name and the given state.
68 */
69 QMeeGoSwitchEvent(const QString &graphicsSystemName, State s);
70
71 //! Returns the name of the target graphics system.
72 /*!
73 Depending on the state, the name represents the system we're about to swtich to,
74 or the system we just switched to.
75 */
76 QString graphicsSystemName() const;
77
78 //! Returns the state represented by this event.
79 State state() const;
80
81 //! Returns the event type/number for QMeeGoSwitchEvent.
82 /*!
83 The type is registered on first access. Use this to detect incoming
84 QMeeGoSwitchEvents.
85 */
86 static QEvent::Type eventNumber();
87
88private:
89 QString name;
90 State switchState;
91};
92

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