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  the authors  not  be  used  in
   9  * advertising or publicity pertaining to distribution of the software without
  10  * specific,  written      prior  permission.     The authors  make  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  * THE AUTHORS DISCLAIM ALL   WARRANTIES WITH REGARD  TO  THIS SOFTWARE,
  15  * INCLUDING ALL IMPLIED   WARRANTIES OF MERCHANTABILITY  AND   FITNESS, IN NO
  16  * EVENT  SHALL THE AUTHORS  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 #if HAVE_XI2
  38     XAttachInfoPtr      att;
  39 #endif
  40
  41     printf("\"%s\"\tid=%ld\t[", info->name, info->id);
  42
  43     switch (info->use) {
  44     case IsXPointer:
  45        printf("XPointer");
  46        break;
  47     case IsXKeyboard:
  48        printf("XKeyboard");
  49        break;
  50     case IsXExtensionDevice:
  51        printf("XExtensionDevice");
  52        break;
  53     case IsXExtensionKeyboard:
  54        printf("XExtensionKeyboard");
  55        break;
  56     case IsXExtensionPointer:
  57        printf("XExtensionPointer");
  58        break;
  59     default:
  60        printf("Unknown class");
  61        break;
  62     }
  63     printf("]\n");
  64
  65     if (shortformat)
  66         return;
  67
  68     if (info->num_classes > 0) {
  69         any = (XAnyClassPtr) (info->inputclassinfo);
  70         for (i=0; i<info->num_classes; i++) {
  71             switch (any->class) {
  72             case KeyClass:
  73                 k = (XKeyInfoPtr) any;
  74                 printf("\tNum_keys is %d\n", k->num_keys);
  75                 printf("\tMin_keycode is %d\n", k->min_keycode);
  76                 printf("\tMax_keycode is %d\n", k->max_keycode);
  77                 break;
  78
  79             case ButtonClass:
  80                 b = (XButtonInfoPtr) any;
  81                 printf("\tNum_buttons is %d\n", b->num_buttons);
  82                 break;
  83
  84             case ValuatorClass:
  85                 v = (XValuatorInfoPtr) any;
  86                 a = (XAxisInfoPtr) ((char *) v +
  87                                     sizeof (XValuatorInfo));
  88                 printf("\tNum_axes is %d\n", v->num_axes);
  89                 printf("\tMode is %s\n", (v->mode == Absolute) ? "Absolute" : "Relative");
  90                 printf("\tMotion_buffer is %ld\n", v->motion_buffer);
  91                 for (j=0; j<v->num_axes; j++, a++) {
  92                     printf("\tAxis %d :\n", j);
  93                     printf("\t\tMin_value is %d\n", a->min_value);
  94                     printf("\t\tMax_value is %d\n", a->max_value);
  95                     printf ("\t\tResolution is %d\n", a->resolution);
  96                 }
  97                 break;
  98 #if HAVE_XI2
  99             case AttachClass:
 100                 att = (XAttachInfoPtr)any;
 101                 printf("\tAttached to %d\n", att->attached);
 102                 break;
 103 #endif
 104             default:
 105                 printf ("unknown class\n");
 106             }
 107             any = (XAnyClassPtr) ((char *) any + any->length);
 108         }
 109     }
 110 }
 111
 112 int
 113 list(Display    *display,
 114      int        argc,
 115      char       *argv[],
 116      char       *name,
 117      char       *desc)
 118 {
 119     XDeviceInfo         *info;
 120     int                 loop;
 121     int                 shortformat = False;
 122     int                 daemon = False;
 123
 124     shortformat = (argc == 1 && strcmp(argv[0], "--short") == 0);
 125     daemon = (argc == 1 && strcmp(argv[0], "--loop") == 0);
 126
 127     if (argc == 0 || shortformat || daemon) {
 128         int             num_devices;
 129         XEvent  ev;
 130
 131 #if HAVE_XI2
 132         if (daemon)
 133         {
 134             XiSelectEvent(display, DefaultRootWindow(display), NULL,
 135                           XI_DeviceHierarchyChangedMask |
 136                           XI_DeviceClassesChangedMask);
 137         }
 138 #endif
 139
 140         do {
 141             info = XListInputDevices(display, &num_devices);
 142             for(loop=0; loop<num_devices; loop++) {
 143                 print_info(info+loop, shortformat);
 144             }
 145
 146 #if HAVE_XI2
 147             /* just wait for the next generic event to come along */
 148             while (daemon && !XNextEvent(display, &ev))
 149             {
 150                 if (ev.type == GenericEvent)
 151                 {
 152                     XGenericEvent* gev = (XGenericEvent*)&ev;
 153                     /* we just assume that extension is IReqCode, pretty save
 154                        since we don't register for other events. */
 155                     if (gev->evtype == XI_DeviceHierarchyChangedNotify)
 156                     {
 157                         printf("Hierarchy change.\n");
 158                     } else if (gev->evtype == XI_DeviceClassesChangedNotify)
 159                     {
 160                         printf("Device classes changed.\n");
 161                         free(((XDeviceClassesChangedEvent*)&ev)->inputclassinfo);
 162                     }
 163                     break;
 164                 }
 165             }
 166 #endif
 167         } while(daemon);
 168     } else {
 169         int     ret = EXIT_SUCCESS;
 170
 171         for(loop=0; loop<argc; loop++) {
 172             info = find_device_info(display, argv[loop], False);
 173
 174             if (!info) {
 175                 fprintf(stderr, "unable to find device %s\n", argv[loop]);
 176                 ret = EXIT_FAILURE;
 177             } else {
 178                 print_info(info, shortformat);
 179             }
 180         }
 181         return ret;
 182     }
 183     return EXIT_SUCCESS;
 184 }
 185
 186 /* end of list.c */