diplodocus.org Git - xorg-xinput/blob - src/list.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 #include <string.h>
  26 #include <X11/extensions/XIproto.h> /* for XI_Device***ChangedNotify */
  27
  28 static void
  29 print_info(XDeviceInfo  *info, Bool shortformat)
  30 {
  31     int                 i,j;
  32     XAnyClassPtr        any;
  33     XKeyInfoPtr         k;
  34     XButtonInfoPtr      b;
  35     XValuatorInfoPtr    v;
  36     XAxisInfoPtr        a;
  37     XAttachInfoPtr      att;
  38
  39     printf("\"%s\"\tid=%ld\t[", info->name, info->id);
  40
  41     switch (info->use) {
  42     case IsXPointer:
  43        printf("XPointer");
  44        break;
  45     case IsXKeyboard:
  46        printf("XKeyboard");
  47        break;
  48     case IsXExtensionDevice:
  49        printf("XExtensionDevice");
  50        break;
  51     case IsXExtensionKeyboard:
  52        printf("XExtensionKeyboard");
  53        break;
  54     case IsXExtensionPointer:
  55        printf("XExtensionPointer");
  56        break;
  57     default:
  58        printf("Unknown class");
  59        break;
  60     }
  61     printf("]\n");
  62
  63     if (shortformat)
  64         return;
  65
  66     if (info->num_classes > 0) {
  67         any = (XAnyClassPtr) (info->inputclassinfo);
  68         for (i=0; i<info->num_classes; i++) {
  69             switch (any->class) {
  70             case KeyClass:
  71                 k = (XKeyInfoPtr) any;
  72                 printf("\tNum_keys is %d\n", k->num_keys);
  73                 printf("\tMin_keycode is %d\n", k->min_keycode);
  74                 printf("\tMax_keycode is %d\n", k->max_keycode);
  75                 break;
  76
  77             case ButtonClass:
  78                 b = (XButtonInfoPtr) any;
  79                 printf("\tNum_buttons is %d\n", b->num_buttons);
  80                 break;
  81
  82             case ValuatorClass:
  83                 v = (XValuatorInfoPtr) any;
  84                 a = (XAxisInfoPtr) ((char *) v +
  85                                     sizeof (XValuatorInfo));
  86                 printf("\tNum_axes is %d\n", v->num_axes);
  87                 printf("\tMode is %s\n", (v->mode == Absolute) ? "Absolute" : "Relative");
  88                 printf("\tMotion_buffer is %ld\n", v->motion_buffer);
  89                 for (j=0; j<v->num_axes; j++, a++) {
  90                     printf("\tAxis %d :\n", j);
  91                     printf("\t\tMin_value is %d\n", a->min_value);
  92                     printf("\t\tMax_value is %d\n", a->max_value);
  93                     printf ("\t\tResolution is %d\n", a->resolution);
  94                 }
  95                 break;
  96             case AttachClass:
  97                 att = (XAttachInfoPtr)any;
  98                 printf("\tAttached to %d\n", att->attached);
  99                 break;
 100
 101             default:
 102                 printf ("unknown class\n");
 103             }
 104             any = (XAnyClassPtr) ((char *) any + any->length);
 105         }
 106     }
 107 }
 108
 109 int
 110 list(Display    *display,
 111      int        argc,
 112      char       *argv[],
 113      char       *name,
 114      char       *desc)
 115 {
 116     XDeviceInfo         *info;
 117     int                 loop;
 118     int                 shortformat = False;
 119     int                 daemon = False;
 120
 121     shortformat = (argc == 1 && strcmp(argv[0], "--short") == 0);
 122     daemon = (argc == 1 && strcmp(argv[0], "--loop") == 0);
 123
 124     if (argc == 0 || shortformat || daemon) {
 125         int             num_devices;
 126         XEvent  ev;
 127
 128         if (daemon)
 129         {
 130             XiSelectEvent(display, DefaultRootWindow(display),
 131                           XI_DeviceHierarchyChangedMask |
 132                           XI_DeviceClassesChangedMask);
 133         }
 134
 135         do {
 136             info = XListInputDevices(display, &num_devices);
 137             for(loop=0; loop<num_devices; loop++) {
 138                 print_info(info+loop, shortformat);
 139             }
 140
 141             /* just wait for the next generic event to come along */
 142             while (daemon && !XNextEvent(display, &ev))
 143             {
 144                 if (ev.type == GenericEvent)
 145                 {
 146                     XGenericEvent* gev = (XGenericEvent*)&ev;
 147                     /* we just assume that extension is IReqCode, pretty save
 148                        since we don't register for other events. */
 149                     if (gev->evtype == XI_DeviceHierarchyChangedNotify)
 150                     {
 151                         printf("Hierarchy change.\n");
 152                     } else if (gev->evtype == XI_DeviceClassesChangedNotify)
 153                     {
 154                         printf("Device classes changed.\n");
 155                         free(((XDeviceClassesChangedEvent*)&ev)->inputclassinfo);
 156                     }
 157                     break;
 158                 }
 159             }
 160         } while(daemon);
 161     } else {
 162         int     ret = EXIT_SUCCESS;
 163
 164         for(loop=0; loop<argc; loop++) {
 165             info = find_device_info(display, argv[0], False);
 166
 167             if (!info) {
 168                 fprintf(stderr, "unable to find device %s\n", argv[0]);
 169                 ret = EXIT_FAILURE;
 170             } else {
 171                 print_info(info, shortformat);
 172             }
 173         }
 174         return ret;
 175     }
 176     return EXIT_SUCCESS;
 177 }
 178
 179 /* end of list.c */