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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 | |
55 | class Q_DECL_EXPORT QMeeGoSwitchEvent : public QEvent |
56 | { |
57 | public: |
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 | |
88 | private: |
89 | QString name; |
90 | State switchState; |
91 | }; |
92 |
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