'\" t
.\"     Title: s3d_set_callback
.\"    Author: Simon Wunderlich
.\" Generator: DocBook XSL Stylesheets
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.\"    Manual: s3d Manual
.\"    Source: s3d
.\"  Language: English
.\"
.TH "S3D_SET_CALLBACK" "3" "" "s3d" "s3d Manual"
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.SH "NAME"
s3d_set_callback \- sets a callback
.SH "SYNOPSIS"
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.ft B
.nf
#include <s3d\&.h>
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.HP \w'void\ s3d_set_callback('u
.BI "void s3d_set_callback(uint8_t\ " "event" ", s3d_cb\ " "func" ");"
.SH "DESCRIPTION"
.PP
Sets a callback for a certain event\&. this is very useful for event\-oriented applications\&. event callbacks will not interrupt each other or the mainloop\&.
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.PP
Defining callbacks will only work after calling s3d_init()
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 #include <inttypes\&.h>

 void obj_click(struct s3d_evt event)
 {
         printf("object id %"PRIu32" got clicked", *((uint32_t *)event\->buf));
 }
 \&.\&.\&.
 s3d_set_callback(S3D_EVENT_NEW_OBJECT, obj_click);
 // this will tell you when a object got clicked
.fi
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.SH "AUTHOR"
.PP
\fBSimon Wunderlich\fR
.RS 4
Author of s3d
.RE