diff options
Diffstat (limited to 'nx-X11/programs/Xserver/hw/xfree86/os-support/linux/lnx_jstk.c')
| -rw-r--r-- | nx-X11/programs/Xserver/hw/xfree86/os-support/linux/lnx_jstk.c | 188 |
1 files changed, 188 insertions, 0 deletions
diff --git a/nx-X11/programs/Xserver/hw/xfree86/os-support/linux/lnx_jstk.c b/nx-X11/programs/Xserver/hw/xfree86/os-support/linux/lnx_jstk.c new file mode 100644 index 000000000..dafdc0594 --- /dev/null +++ b/nx-X11/programs/Xserver/hw/xfree86/os-support/linux/lnx_jstk.c @@ -0,0 +1,188 @@ +/* $XConsortium: lnx_jstk.c /main/7 1996/02/21 17:51:36 kaleb $ */ +/* Id: lnx_jstk.c,v 1.1 1995/12/20 14:06:09 lepied Exp */ +/* + * Copyright 1995 by Frederic Lepied, France. <fred@sugix.frmug.fr.net> + * + * Permission to use, copy, modify, distribute, and sell this software and its + * documentation for any purpose is hereby granted without fee, provided that + * the above copyright notice appear in all copies and that both that + * copyright notice and this permission notice appear in supporting + * documentation, and that the name of Frederic Lepied not be used in + * advertising or publicity pertaining to distribution of the software without + * specific, written prior permission. Frederic Lepied makes no + * representations about the suitability of this software for any purpose. It + * is provided "as is" without express or implied warranty. + * + * FREDERIC LEPIED DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, + * INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO + * EVENT SHALL FREDERIC LEPIED BE LIABLE FOR ANY SPECIAL, INDIRECT OR + * CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, + * DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER + * TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR + * PERFORMANCE OF THIS SOFTWARE. + * + */ + +/* $XFree86: xc/programs/Xserver/hw/xfree86/os-support/linux/lnx_jstk.c,v 3.8.2.1 1998/06/05 16:23:12 dawes Exp $ */ + +static const char rcs_id[] = "Id: lnx_jstk.c,v 1.1 1995/12/20 14:06:09 lepied Exp"; + +#ifdef HAVE_XORG_CONFIG_H +#include <xorg-config.h> +#endif + +#include <sys/types.h> +#include <unistd.h> +#include <string.h> +#include <errno.h> +#define inline __inline__ +#include <linux/joystick.h> +#include <fcntl.h> +#include <sys/ioctl.h> + +#ifdef XFree86LOADER +#include "xf86.h" +#include "xf86_ansic.h" +#endif + +#if !defined(JSIOCGTIMELIMIT) +/* make 2.1.x joystick.h backward compatable */ +#define JSIOCGTIMELIMIT JS_GET_TIMELIMIT +#define JSIOCSTIMELIMIT JS_SET_TIMELIMIT +#define js_status JS_DATA_TYPE +#endif + + +/*********************************************************************** + * + * xf86JoystickOn -- + * + * open the device and init timeout according to the device value. + * + *********************************************************************** + */ + +int +xf86JoystickOn(char *name, int *timeout, int *centerX, int *centerY) +{ + int fd; + struct js_status js; + +#ifdef DEBUG + ErrorF("xf86JoystickOn %s\n", name); +#endif + + if ((fd = open(name, O_RDWR | O_NDELAY, 0)) < 0) + { + xf86Msg(X_WARNING, "Cannot open joystick '%s' (%s)\n", name, + strerror(errno)); + return -1; + } + + if (*timeout == 0) { + if (ioctl (fd, JSIOCGTIMELIMIT, timeout) == -1) { + Error("joystick JSIOCGTIMELIMIT ioctl"); + } + else { + xf86Msg(X_CONFIG, "Joystick: timeout value = %d\n", *timeout); + } + } + else { + if (ioctl(fd, JSIOCSTIMELIMIT, timeout) == -1) { + Error("joystick JSIOCSTIMELIMIT ioctl"); + } + } + + /* Assume the joystick is centred when this is called */ + read(fd, &js, JS_RETURN); + if (*centerX < 0) { + *centerX = js.x; + xf86Msg(X_CONFIG, "Joystick: CenterX set to %d\n", *centerX); + } + if (*centerY < 0) { + *centerY = js.y; + xf86Msg(X_CONFIG, "Joystick: CenterY set to %d\n", *centerY); + } + + return fd; +} + +/*********************************************************************** + * + * xf86JoystickInit -- + * + * called when X device is initialized. + * + *********************************************************************** + */ + +void +xf86JoystickInit() +{ + return; +} + +/*********************************************************************** + * + * xf86JoystickOff -- + * + * close the handle. + * + *********************************************************************** + */ + +int +xf86JoystickOff(int *fd, int doclose) +{ + int oldfd; + + if (((oldfd = *fd) >= 0) && doclose) { + close(*fd); + *fd = -1; + } + return oldfd; +} + +/*********************************************************************** + * + * xf86JoystickGetState -- + * + * return the state of buttons and the position of the joystick. + * + *********************************************************************** + */ + +int +xf86JoystickGetState(int fd, int *x, int *y, int *buttons) +{ + struct js_status js; + int status; + + status = read(fd, &js, JS_RETURN); + + if (status != JS_RETURN) + { + Error("Joystick read"); + return 0; + } + + *x = js.x; + *y = js.y; + *buttons = js.buttons; + + return 1; +} + +#ifdef XFree86LOADER +/* + * Entry point for XFree86 Loader + */ +void +linux_jstkModuleInit(pointer *data, INT32 *magic) +{ + *magic = MAGIC_DONE; + *data = NULL; +} +#endif + +/* end of lnx_jstk.c */ |