DRAFT |
SDL_PeepEvents
Use this function to 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 |
the [[SDL_Event]] queue to query??? |
numevents |
the number of events in the queue???; see Remarks for details |
action |
how to handle the events in the queue; see Remarks for details |
minType |
the minimum number of events of a specified type ??? |
maxType |
the maximum number of events of a specified type ??? |
Return Value
Returns the number of events actually stored or a negative error code on failure; call SDL_GetError() for more information.
Code Examples
You can add your code example here
Remarks
action may be any of the following (from enum SDL_eventaction which has no page):
SDL_ADDEVENT |
up to numevents events will be added to the back of the event queue |
SDL_PEEKEVENT |
up to numevents events at the front of the event queue, within the specified minimum and maximum type, will be returned and will not be removed from the queue |
SDL_GETEVENT |
up to numevents events at the front of the event queue, within the specified minimum and maximum type, will be returned and will be removed from the queue |
The below is taken directly from the header. The info has been transferred to the table above as an optional way of being presented. Which should be kept?
If action is SDL_ADDEVENT, up to numevents events will be added to the back of the event queue.
If action is SDL_PEEKEVENT, up to numevents events at the front of the event queue, within the specified minimum and maximum type, will be returned and will not be removed from the queue.
If action is SDL_GETEVENT, up to numevents events at the front of the event queue, within the specified minimum and maximum type, will be returned and will be removed from the queue.
This function is thread-safe.
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Is the following true in 2.0? 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().
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