IABSD.fr/xenocara/app/xinput/src/buttonmap.c

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• Author : matthieu
  Date : 2012-06-11 19:26:23
  Hash : 4b78f29c
  Message : Update to xinput 1.6.0

• app/xinput/src/buttonmap.c

• /*
   * Copyright 1996 by Frederic Lepied, France. <Frederic.Lepied@sugix.frmug.org>
   *
   * 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  the authors  not  be  used  in
   * advertising or publicity pertaining to distribution of the software without
   * specific,  written      prior  permission.     The authors  make  no
   * representations about the suitability of this software for any purpose.  It
   * is provided "as is" without express or implied warranty.
   *
   * THE AUTHORS DISCLAIM ALL   WARRANTIES WITH REGARD  TO  THIS SOFTWARE,
   * INCLUDING ALL IMPLIED   WARRANTIES OF MERCHANTABILITY  AND   FITNESS, IN NO
   * EVENT  SHALL THE AUTHORS  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.
   *
   */
  
  #include "xinput.h"
  
  
  int
  get_button_map(Display	*display,
  	       int	argc,
  	       char	*argv[],
  	       char	*name,
  	       char	*desc)
  {
      XDeviceInfo		*info;
      XDevice		*device;
      XAnyClassPtr	ip;
      int			i;
      int			nbuttons;
  
      if (argc != 1) {
  	fprintf(stderr, "usage: xinput %s %s\n", name, desc);
  	return EXIT_FAILURE;
      }
  
      info = find_device_info(display, argv[0], False);
  
      if (!info) {
  	fprintf(stderr, "unable to find device '%s'\n", argv[0]);
  	return EXIT_FAILURE;
      }
  
      ip = (XAnyClassPtr) info->inputclassinfo;
      nbuttons = 0;
  
      /* try to find the number of buttons */
      for(i=0; i<info->num_classes; i++) {
  	if (ip->class == ButtonClass) {
  	    nbuttons = ((XButtonInfoPtr)ip)->num_buttons;
  	    break;
  	}
  	ip = (XAnyClassPtr) ((char *) ip + ip->length);
      }
      if (nbuttons == 0) {
  	fprintf(stderr, "device has no buttons\n");
  	return EXIT_FAILURE;
      }
  
      device = XOpenDevice(display, info->id);
      if (device) {
  	int		idx;
  	unsigned char	*map;
  
  	map = (unsigned char *) malloc(sizeof(unsigned char) * nbuttons);
  
  	XGetDeviceButtonMapping(display, device, map, nbuttons);
  
  	for(idx=1; idx < nbuttons + 1; idx++) {
  	    printf("%d ", map[idx - 1]);
  	}
          printf("\n");
  	XCloseDevice(display, device);
  	return EXIT_SUCCESS;
      } else {
  	fprintf(stderr, "Unable to open device\n");
  	return EXIT_FAILURE;
      }
  }
  
  
  
  int
  set_button_map(Display	*display,
  	       int	argc,
  	       char	*argv[],
  	       char	*name,
  	       char	*desc)
  {
      XDeviceInfo		*info;
      XDevice		*device;
      XAnyClassPtr	ip;
      int			i;
      int			nbuttons;
  
      if (argc < 2) {
  	fprintf(stderr, "usage: xinput %s %s\n", name, desc);
  	return EXIT_FAILURE;
      }
  
      info = find_device_info(display, argv[0], False);
  
      if (!info) {
  	fprintf(stderr, "unable to find device '%s'\n", argv[0]);
  	return EXIT_FAILURE;
      }
  
      ip = (XAnyClassPtr) info->inputclassinfo;
      nbuttons = 0;
  
      /* try to find the number of buttons */
      for(i=0; i<info->num_classes; i++) {
  	if (ip->class == ButtonClass) {
  	    nbuttons = ((XButtonInfoPtr)ip)->num_buttons;
  	    break;
  	}
  	ip = (XAnyClassPtr) ((char *) ip + ip->length);
      }
      if (nbuttons == 0) {
  	fprintf(stderr, "device has no buttons\n");
  	return EXIT_FAILURE;
      }
  
      device = XOpenDevice(display, info->id);
      if (device) {
  	int		idx;
  	unsigned char	*map;
  	int		min;
  
  	map = (unsigned char *) malloc(sizeof(unsigned char) * nbuttons);
  
  	XGetDeviceButtonMapping(display, device, map, nbuttons);
  
  	min = (argc > nbuttons + 1) ? nbuttons + 1 : argc;
  
  	for(idx=1; idx < min; idx++) {
  	    map[idx - 1] = atoi(argv[idx]);
  	}
  	XSetDeviceButtonMapping(display, device, map, nbuttons);
  	XCloseDevice(display, device);
  	return EXIT_SUCCESS;
      } else {
  	fprintf(stderr, "Unable to open device\n");
  	return EXIT_FAILURE;
      }
  }
  
  /* end of buttonmap.c */