SDL Wiki
(This is the legacy documentation for stable SDL2, the current stable version; SDL3 is the current development version.)

SDL_PeepEvents

Check the event queue for messages and optionally return them.

Syntax

int SDL_PeepEvents(SDL_Event * events, int numevents,
                   SDL_eventaction action,
                   Uint32 minType, Uint32 maxType);

Function Parameters

events destination buffer for the retrieved events
numevents if action is SDL_ADDEVENT, the number of events to add back to the event queue; if action is SDL_PEEKEVENT or SDL_GETEVENT, the maximum number of events to retrieve
action action to take; see [[#action
minType minimum value of the event type to be considered; SDL_FIRSTEVENT is a safe choice
maxType maximum value of the event type to be considered; SDL_LASTEVENT is a safe choice

Return Value

Returns the number of events actually stored or a negative error code on failure; call SDL_GetError() for more information.

Remarks

action may be any of the following:

You may have to call SDL_PumpEvents() before calling this function. Otherwise, the events may not be ready to be filtered when you call SDL_PeepEvents().

This function is thread-safe.

Version

This function is available since SDL 2.0.0.


CategoryAPI


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