mirror of
https://git.code.sf.net/p/quake/quakeforge
synced 2024-11-14 08:50:58 +00:00
105 lines
2.3 KiB
C
105 lines
2.3 KiB
C
/*
|
|
joy_linux.c
|
|
|
|
Joystick driver for Linux
|
|
|
|
Copyright (C) 2000 David Jeffery
|
|
Copyright (C) 2000 Jeff Teunissen <deek@dusknet.dhs.org>
|
|
|
|
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
|
|
|
|
$Id$
|
|
*/
|
|
|
|
#ifdef HAVE_CONFIG_H
|
|
# include "config.h"
|
|
#endif
|
|
|
|
#include <fcntl.h>
|
|
#include <unistd.h>
|
|
#include <linux/joystick.h>
|
|
|
|
#include "QF/console.h"
|
|
#include "QF/cvar.h"
|
|
#include "QF/joystick.h"
|
|
#include "QF/keys.h"
|
|
#include "QF/qtypes.h"
|
|
|
|
// Variables and structures for this driver
|
|
int joy_handle;
|
|
|
|
|
|
void
|
|
JOY_Read (void)
|
|
{
|
|
struct js_event event;
|
|
|
|
if (!joy_active || !joy_enable->int_val)
|
|
return;
|
|
|
|
while (read (joy_handle, &event, sizeof (struct js_event)) > -1) {
|
|
if (event.type & JS_EVENT_BUTTON) {
|
|
if (event.number >= JOY_MAX_BUTTONS)
|
|
continue;
|
|
|
|
joy_buttons[event.number].current = event.value;
|
|
|
|
if (joy_buttons[event.number].current >
|
|
joy_buttons[event.number].old) {
|
|
Key_Event (J_BUTTON1 + event.number, 0, true);
|
|
} else {
|
|
if (joy_buttons[event.number].current <
|
|
joy_buttons[event.number].old) {
|
|
Key_Event (J_BUTTON2 + event.number, 0, false);
|
|
}
|
|
}
|
|
joy_buttons[event.number].old = joy_buttons[event.number].current;
|
|
} else {
|
|
if (event.type & JS_EVENT_AXIS) {
|
|
if (event.number >= JOY_MAX_AXES)
|
|
continue;
|
|
joy_axes[event.number].current = event.value;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
int
|
|
JOY_Open (void)
|
|
{
|
|
// Open joystick device
|
|
joy_handle = open (joy_device->string, O_RDONLY | O_NONBLOCK);
|
|
if (joy_handle < 0) {
|
|
return -1;
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
void
|
|
JOY_Close (void)
|
|
{
|
|
int i;
|
|
|
|
i = close (joy_handle);
|
|
if (i) {
|
|
Con_Printf ("JOY: Failed to close joystick device!\n");
|
|
} else {
|
|
Con_Printf ("JOY_Shutdown\n");
|
|
}
|
|
}
|