mirror of
https://git.code.sf.net/p/quake/quakeforge
synced 2024-11-14 17:01:22 +00:00
1a79915d22
The listener is invoked when the axis value changes due to IN_UpdateAxis or IN_ClampAxis updating the axis. This does mean the listener invocation make be somewhat delayed. I am a tad uncertain about this design thus it being a separate commit.
101 lines
2.1 KiB
C
101 lines
2.1 KiB
C
/*
|
|
in_axis.c
|
|
|
|
Logical axis support
|
|
|
|
Copyright (C) 2021 Bill Currie <bill@taniwha.org>
|
|
|
|
Author: Bill Currie <bill@taniwha.org>
|
|
Date: 2021/10/1
|
|
|
|
This program is free software; you can redistribute it and/or
|
|
modify it under the terms of the GNU General Public License
|
|
as published by the Free Software Foundation; either version 2
|
|
of the License, or (at your option) any later version.
|
|
|
|
This program is distributed in the hope that it will be useful,
|
|
but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
|
|
|
|
See the GNU General Public License for more details.
|
|
|
|
You should have received a copy of the GNU General Public License
|
|
along with this program; if not, write to:
|
|
|
|
Free Software Foundation, Inc.
|
|
59 Temple Place - Suite 330
|
|
Boston, MA 02111-1307, USA
|
|
|
|
*/
|
|
#ifdef HAVE_CONFIG_H
|
|
# include "config.h"
|
|
#endif
|
|
|
|
#ifdef HAVE_STRING_H
|
|
# include <string.h>
|
|
#endif
|
|
#ifdef HAVE_STRINGS_H
|
|
# include <strings.h>
|
|
#endif
|
|
|
|
#include "QF/cmd.h"
|
|
#include "QF/hash.h"
|
|
#include "QF/input.h"
|
|
#include "QF/sys.h"
|
|
|
|
static hashtab_t *axis_tab;
|
|
|
|
static const char *
|
|
axis_get_key (const void *a, void *data)
|
|
{
|
|
__auto_type axis = (const in_axis_t *) a;
|
|
return axis->name;
|
|
}
|
|
|
|
static void
|
|
axis_free (void *a, void *data)
|
|
{
|
|
}
|
|
|
|
VISIBLE int
|
|
IN_RegisterAxis (in_axis_t *axis)
|
|
{
|
|
const char *name = axis->name;
|
|
if (Hash_Find (axis_tab, name)) {
|
|
return 0;
|
|
}
|
|
|
|
Hash_Add (axis_tab, axis);
|
|
return 1;
|
|
}
|
|
|
|
VISIBLE in_axis_t *
|
|
IN_FindAxis (const char *name)
|
|
{
|
|
return Hash_Find (axis_tab, name);
|
|
}
|
|
|
|
void
|
|
IN_AxisAddListener (in_axis_t *axis, axis_listener_t listener, void *data)
|
|
{
|
|
if (!axis->listeners) {
|
|
axis->listeners = malloc (sizeof (*axis->listeners));
|
|
LISTENER_SET_INIT (axis->listeners, 8);
|
|
}
|
|
LISTENER_ADD (axis->listeners, listener, data);
|
|
}
|
|
|
|
void
|
|
IN_AxisRemoveListener (in_axis_t *axis, axis_listener_t listener, void *data)
|
|
{
|
|
if (axis->listeners) {
|
|
LISTENER_REMOVE (axis->listeners, listener, data);
|
|
}
|
|
}
|
|
|
|
|
|
static void __attribute__((constructor))
|
|
in_axis_init (void)
|
|
{
|
|
axis_tab = Hash_NewTable (127, axis_get_key, axis_free, 0, 0);
|
|
}
|