SDL_ActiveEvent(3) SDL API Reference SDL_ActiveEvent(3)
NAME
SDL_ActiveEvent - Application visibility event structure
STRUCTURE DEFINITION
typedef struct{
Uint8 type;
Uint8 gain;
Uint8 state;
} SDL_ActiveEvent;
STRUCTURE DATA
type SDL_ACTIVEEVENT.
gain 0 if the event is a loss or 1 if it is a gain.
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).
DESCRIPTION
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 activa-
tion 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 min-
imised/iconified (gain=0) or restored.
Note:
This event does not occur when an application window is first
created.
SEE ALSO
SDL_Event, SDL_GetAppState
SDL Tue 11 Sep 2001, 22:59 SDL_ActiveEvent(3)
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