diplodocus.org Git - xorg-xinput/blob - src/buttonmap.c

   1 /*
   2  * Copyright 1996 by Frederic Lepied, France. <Frederic.Lepied@sugix.frmug.org>
   3  *
   4  * Permission to use, copy, modify, distribute, and sell this software and its
   5  * documentation for any purpose is  hereby granted without fee, provided that
   6  * the  above copyright   notice appear  in   all  copies and  that both  that
   7  * copyright  notice   and   this  permission   notice  appear  in  supporting
   8  * documentation, and that   the  name of  Frederic   Lepied not  be  used  in
   9  * advertising or publicity pertaining to distribution of the software without
  10  * specific,  written      prior  permission.     Frederic  Lepied   makes  no
  11  * representations about the suitability of this software for any purpose.  It
  12  * is provided "as is" without express or implied warranty.
  13  *
  14  * FREDERIC  LEPIED DISCLAIMS ALL   WARRANTIES WITH REGARD  TO  THIS SOFTWARE,
  15  * INCLUDING ALL IMPLIED   WARRANTIES OF MERCHANTABILITY  AND   FITNESS, IN NO
  16  * EVENT  SHALL FREDERIC  LEPIED BE   LIABLE   FOR ANY  SPECIAL, INDIRECT   OR
  17  * CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE,
  18  * DATA  OR PROFITS, WHETHER  IN  AN ACTION OF  CONTRACT,  NEGLIGENCE OR OTHER
  19  * TORTIOUS  ACTION, ARISING    OUT OF OR   IN  CONNECTION  WITH THE USE    OR
  20  * PERFORMANCE OF THIS SOFTWARE.
  21  *
  22  */
  23
  24 #include "xinput.h"
  25
  26 int
  27 set_button_map(Display  *display,
  28                int      argc,
  29                char     *argv[],
  30                char     *name,
  31                char     *desc)
  32 {
  33     XDeviceInfo         *info;
  34     XDevice             *device;
  35     XAnyClassPtr        ip;
  36     int                 i;
  37     int                 nbuttons;
  38
  39     if (argc < 2) {
  40         fprintf(stderr, "usage: xinput %s %s\n", name, desc);
  41         return EXIT_FAILURE;
  42     }
  43
  44     info = find_device_info(display, argv[0], True);
  45
  46     if (!info) {
  47         fprintf(stderr, "unable to find device %s\n", argv[0]);
  48         return EXIT_FAILURE;
  49     }
  50
  51     ip = (XAnyClassPtr) info->inputclassinfo;
  52     nbuttons = 0;
  53
  54     /* try to find the number of buttons */
  55     for(i=0; i<info->num_classes; i++) {
  56         if (ip->class == ButtonClass) {
  57             nbuttons = ((XButtonInfoPtr)ip)->num_buttons;
  58             break;
  59         }
  60         ip = (XAnyClassPtr) ((char *) ip + ip->length);
  61     }
  62     if (nbuttons == 0) {
  63         fprintf(stderr, "device has no buttons\n");
  64         return EXIT_FAILURE;
  65     }
  66
  67     device = XOpenDevice(display, info->id);
  68     if (device) {
  69         int             idx;
  70         unsigned char   *map;
  71         int             min;
  72
  73         map = (unsigned char *) malloc(sizeof(unsigned char) * nbuttons);
  74
  75         XGetDeviceButtonMapping(display, device, map, nbuttons);
  76
  77         min = (argc > nbuttons + 1) ? nbuttons + 1 : argc;
  78
  79         for(idx=1; idx < min; idx++) {
  80             map[idx - 1] = atoi(argv[idx]);
  81         }
  82         XSetDeviceButtonMapping(display, device, map, nbuttons);
  83         XCloseDevice(display, device);
  84         return EXIT_SUCCESS;
  85     } else {
  86         fprintf(stderr, "Unable to open device\n");
  87         return EXIT_FAILURE;
  88     }
  89 }
  90
  91 /* end of buttonmap.c */