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// SPDX-License-Identifier: LGPL-2.1-or-later
/* SPDX-FileCopyrightText: 2004-2015 Simon Wunderlich <sw@simonwunderlich.de>
*/
#include <stddef.h> /* for NULL */
#include <stdint.h> /* for uint8_t */
#include "s3d.h" /* for s3d_cb, s3d_process_stack */
#include "s3dlib.h" /* for MAX_CB, S3DUNUSED */
static int _s3d_ignore(struct s3d_evt *evt);
/* the s3d callback list */
/* i know it's ugly, but it's better to have ugly code somewhere than provoke
* race conditions in the applications code */
#define S3D_CBNIL (s3d_cb)NULL
s3d_cb s3d_cb_list[MAX_CB] = {
S3D_CBNIL, _s3d_ignore, _s3d_ignore, _s3d_ignore, _s3d_ignore, _s3d_ignore, S3D_CBNIL, S3D_CBNIL, S3D_CBNIL, S3D_CBNIL, S3D_CBNIL, S3D_CBNIL, S3D_CBNIL, S3D_CBNIL, S3D_CBNIL, S3D_CBNIL,
_s3d_ignore, _s3d_ignore, S3D_CBNIL, S3D_CBNIL, S3D_CBNIL, S3D_CBNIL, S3D_CBNIL, S3D_CBNIL, S3D_CBNIL, S3D_CBNIL, S3D_CBNIL, S3D_CBNIL, S3D_CBNIL, S3D_CBNIL, S3D_CBNIL, S3D_CBNIL,
_s3d_ignore, S3D_CBNIL, S3D_CBNIL, S3D_CBNIL, S3D_CBNIL, S3D_CBNIL, S3D_CBNIL, S3D_CBNIL, S3D_CBNIL, S3D_CBNIL, S3D_CBNIL, S3D_CBNIL, S3D_CBNIL, S3D_CBNIL, S3D_CBNIL, S3D_CBNIL,
S3D_CBNIL, S3D_CBNIL, S3D_CBNIL, S3D_CBNIL, S3D_CBNIL, S3D_CBNIL, S3D_CBNIL, S3D_CBNIL, S3D_CBNIL, S3D_CBNIL, S3D_CBNIL, S3D_CBNIL, S3D_CBNIL, S3D_CBNIL, S3D_CBNIL, S3D_CBNIL,
S3D_CBNIL, S3D_CBNIL, S3D_CBNIL, S3D_CBNIL, S3D_CBNIL, S3D_CBNIL, S3D_CBNIL, S3D_CBNIL, S3D_CBNIL, S3D_CBNIL, S3D_CBNIL, S3D_CBNIL, S3D_CBNIL, S3D_CBNIL, S3D_CBNIL, S3D_CBNIL,
S3D_CBNIL, S3D_CBNIL, S3D_CBNIL, S3D_CBNIL, S3D_CBNIL, S3D_CBNIL, S3D_CBNIL, S3D_CBNIL, S3D_CBNIL, S3D_CBNIL, S3D_CBNIL, S3D_CBNIL, S3D_CBNIL, S3D_CBNIL, S3D_CBNIL, S3D_CBNIL,
S3D_CBNIL, S3D_CBNIL, S3D_CBNIL, S3D_CBNIL, S3D_CBNIL, S3D_CBNIL, S3D_CBNIL, S3D_CBNIL, S3D_CBNIL, S3D_CBNIL, S3D_CBNIL, S3D_CBNIL, S3D_CBNIL, S3D_CBNIL, S3D_CBNIL, S3D_CBNIL,
S3D_CBNIL, S3D_CBNIL, S3D_CBNIL, S3D_CBNIL, S3D_CBNIL, S3D_CBNIL, S3D_CBNIL, S3D_CBNIL, S3D_CBNIL, S3D_CBNIL, S3D_CBNIL, S3D_CBNIL, S3D_CBNIL, S3D_CBNIL, S3D_CBNIL, S3D_CBNIL,
S3D_CBNIL, S3D_CBNIL, S3D_CBNIL, S3D_CBNIL, S3D_CBNIL, S3D_CBNIL, S3D_CBNIL, S3D_CBNIL, S3D_CBNIL, S3D_CBNIL, S3D_CBNIL, S3D_CBNIL, S3D_CBNIL, S3D_CBNIL, S3D_CBNIL, S3D_CBNIL,
S3D_CBNIL, S3D_CBNIL, S3D_CBNIL, S3D_CBNIL, S3D_CBNIL, S3D_CBNIL, S3D_CBNIL, S3D_CBNIL, S3D_CBNIL, S3D_CBNIL, S3D_CBNIL, S3D_CBNIL, S3D_CBNIL, S3D_CBNIL, S3D_CBNIL, S3D_CBNIL,
S3D_CBNIL, S3D_CBNIL, S3D_CBNIL, S3D_CBNIL, S3D_CBNIL, S3D_CBNIL, S3D_CBNIL, S3D_CBNIL, S3D_CBNIL, S3D_CBNIL, S3D_CBNIL, S3D_CBNIL, S3D_CBNIL, S3D_CBNIL, S3D_CBNIL, S3D_CBNIL,
S3D_CBNIL, S3D_CBNIL, S3D_CBNIL, S3D_CBNIL, S3D_CBNIL, S3D_CBNIL, S3D_CBNIL, S3D_CBNIL, S3D_CBNIL, S3D_CBNIL, S3D_CBNIL, S3D_CBNIL, S3D_CBNIL, S3D_CBNIL, S3D_CBNIL, S3D_CBNIL,
S3D_CBNIL, S3D_CBNIL, S3D_CBNIL, S3D_CBNIL, S3D_CBNIL, S3D_CBNIL, S3D_CBNIL, S3D_CBNIL, S3D_CBNIL, S3D_CBNIL, S3D_CBNIL, S3D_CBNIL, S3D_CBNIL, S3D_CBNIL, S3D_CBNIL, S3D_CBNIL,
S3D_CBNIL, S3D_CBNIL, S3D_CBNIL, S3D_CBNIL, S3D_CBNIL, S3D_CBNIL, S3D_CBNIL, S3D_CBNIL, S3D_CBNIL, S3D_CBNIL, S3D_CBNIL, S3D_CBNIL, S3D_CBNIL, S3D_CBNIL, S3D_CBNIL, S3D_CBNIL,
S3D_CBNIL, S3D_CBNIL, S3D_CBNIL, S3D_CBNIL, S3D_CBNIL, S3D_CBNIL, S3D_CBNIL, S3D_CBNIL, S3D_CBNIL, S3D_CBNIL, S3D_CBNIL, S3D_CBNIL, S3D_CBNIL, S3D_CBNIL, S3D_CBNIL, S3D_CBNIL,
S3D_CBNIL, S3D_CBNIL, S3D_CBNIL, S3D_CBNIL, S3D_CBNIL, S3D_CBNIL, S3D_CBNIL, S3D_CBNIL, S3D_CBNIL, S3D_CBNIL, S3D_CBNIL, S3D_CBNIL, S3D_CBNIL, S3D_CBNIL, S3D_CBNIL, S3D_CBNIL
};
/* the ignore-handler ;) */
static int _s3d_ignore(struct s3d_evt *S3DUNUSED(evt))
{
/* do plain nothing */
return 0;
}
/** \brief sets a callback
*
* 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.
*
* \remarks Defining callbacks will only work after calling s3d_init()
*
* \code
* #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
* \endcode
*/
void s3d_set_callback(uint8_t event, s3d_cb func)
{
s3d_cb_list[(int)event] = func;
s3d_process_stack();
}
/** \brief clears a callback
*
* Clears the callback which is associated with the event.
*/
void s3d_clear_callback(uint8_t event)
{
s3d_cb_list[(int)event] = S3D_CBNIL;
}
/** \brief ignores an event
*
* Sets the callback on ignore, that means it won't be queued up for later use.
* An incoming event of this type will simply be skipped.
*/
void s3d_ignore_callback(uint8_t event)
{
s3d_set_callback(event, _s3d_ignore);
}
/** \brief get callback of event
*
* Returns the Callback-function of the event.
*
* \code
* struct s3d_evt e;
* ...
* s3d_get_callback(S3D_EVENT_KEY)(e);
* // will call the key-handling function with argument e.
* \endcode
*/
s3d_cb s3d_get_callback(uint8_t event)
{
return s3d_cb_list[(int)event];
}
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