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| ||'''filter'''||^the SDL_!EventFilter to be referenced/run ???^; see [[#Remarks|Remarks]] for details|| ||'''userdata'''||^a pointer to the user-specified information to be filtered^|| <<Color2(green,There is currently no page for SDL_!EventFilter. Is it a macro or callback function? Should it be referenced in Remarks based on the [[SDL_SetEventFilter]]() info? See below...)>> <<Color2(green,Is userdata an exception to the 'pointer rule'?)>> |
||'''filter'''||a function that gets called when an event happens; see [[#Remarks|Remarks]] for details|| ||'''userdata'''||^a pointer filled in with user-specified information to be filtered^|| |
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| ''You can add useful comments here'' SDL_!EventFilter has the following syntax: {{{#!highlight cpp int SDL_EventFilter(void* userdata, SDL_Event* event) |
The '''filter''' function has the following form: {{{ int SDL_EventFilter(void* userdata, SDL_Event* event) |
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| <<Color2(green,Should this be formatted like the syntax section?)>> |
DRAFT |
SDL_FilterEvents
Use this function to run the filter function on the current event queue, removing any events for which the filter returns 0.
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Use this function to filter the current event queue, removing any events for which the filter returns 0.
Syntax
void SDL_FilterEvents(SDL_EventFilter filter,
void* userdata)
Function Parameters
filter |
a function that gets called when an event happens; see Remarks for details |
userdata |
a pointer filled in with user-specified information to be filtered |
Code Examples
You can add your code example here
Remarks
The filter function has the following form:
int SDL_EventFilter(void* userdata, SDL_Event* event)
where userdata is the event queue to filter and event is the desired event to pull from the queue. green
See SDL_SetEventFilter() for more information.
