GNU/Linux man pages
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GNU/Linux |
CentOS 5.3 |
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SDL_ActiveEvent(3) |
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SDL_ActiveEvent− Application visibility event structure
typedef struct{
Uint8 type;
Uint8 gain;
Uint8 state;
} SDL_ActiveEvent;
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type |
SDL_ACTIVEEVENT. | ||
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gain |
0 if the event is a loss or 1 if it is a gain. | ||
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state |
SDL_APPMOUSEFOCUS if mouse focus was gained or lost, SDL_APPINPUTFOCUS if input focus was gained or lost, or SDL_APPACTIVE if the application was iconified (gain=0) or restored(gain=1). |
SDL_ActiveEvent is a member of the SDL_Event union and is used when an event of type SDL_ACTIVEEVENT is reported.
When the mouse leaves or enters the window area a SDL_APPMOUSEFOCUS type activation event occurs, if the mouse entered the window then gain will be 1, otherwise gain will be 0. A SDL_APPINPUTFOCUS type activation event occurs when the application loses or gains keyboard focus. This usually occurs when another application is made active. Finally, a SDL_APPACTIVE type event occurs when the application is either minimised/iconified (gain=0) or restored.
Note:
This event does not occur when an application window is first created.
SDL_Event, SDL_GetAppState
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SDL_ActiveEvent(3) | |