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Added functions to watch events as they go through the event queue.

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This commit is contained in:
Sam Lantinga 2011-02-01 19:15:42 -08:00
parent b231d0b93d
commit 52cf8a6451
2 changed files with 70 additions and 0 deletions
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12
include/SDL_events.h
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@ -580,6 +580,18 @@ extern DECLSPEC void SDLCALL SDL_SetEventFilter(SDL_EventFilter filter,
extern DECLSPEC SDL_bool SDLCALL SDL_GetEventFilter(SDL_EventFilter * filter,
void **userdata);
/**
* Add a function which is called when an event is added to the queue.
*/
extern DECLSPEC void SDLCALL SDL_AddEventWatch(SDL_EventFilter filter,
void *userdata);
/**
* Remove an event watch function added with SDL_AddEventWatch()
*/
extern DECLSPEC void SDLCALL SDL_DelEventWatch(SDL_EventFilter filter,
void *userdata);
/**
* Run the filter function on the current event queue, removing any
* events for which the filter returns 0.