diplodocus.org Git - xorg-xinput/blob - src/xinput.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 <ctype.h>
  26 #include <string.h>
  27
  28 int xi_opcode;
  29
  30 typedef int (*prog)(Display* display, int argc, char *argv[],
  31                     char *prog_name, char *prog_desc);
  32
  33 typedef struct
  34 {
  35     char        *func_name;
  36     char        *arg_desc;
  37     prog        func;
  38 } entry;
  39
  40 static entry drivers[] =
  41 {
  42     {"get-feedbacks",
  43      "<device name>",
  44      get_feedbacks
  45     },
  46     {"set-ptr-feedback",
  47      "<device name> <threshold> <num> <denom>",
  48      set_ptr_feedback
  49     },
  50     {"set-integer-feedback",
  51      "<device name> <feedback id> <value>",
  52      set_integer_feedback
  53     },
  54     {"get-button-map",
  55      "<device name>",
  56      get_button_map
  57     },
  58     {"set-button-map",
  59      "<device name> <map button 1> [<map button 2> [...]]",
  60      set_button_map
  61     },
  62     {"set-pointer",
  63      "<device name> [<x index> <y index>]",
  64      set_pointer
  65     },
  66     {"set-mode",
  67      "<device name> ABSOLUTE|RELATIVE",
  68      set_mode
  69     },
  70     {"list",
  71      "[--short || --long || --name-only || --id-only] [<device name>...]",
  72      list
  73     },
  74     {"query-state",
  75      "<device name>",
  76      query_state
  77     },
  78     {"test",
  79      "[-proximity] <device name>",
  80      test
  81     },
  82 #if HAVE_XI2
  83     { "create-master",
  84       "<id> [<sendCore (dflt:1)>] [<enable (dflt:1)>]",
  85       create_master
  86     },
  87     { "remove-master",
  88       "<id> [Floating|AttachToMaster (dflt:Floating)] [<returnPointer>] [<returnKeyboard>]",
  89       remove_master
  90     },
  91     { "reattach",
  92       "<id> <master>",
  93       change_attachment
  94     },
  95     { "float",
  96       "<id>",
  97       float_device
  98     },
  99     { "set-cp",
 100       "<window> <device>",
 101       set_clientpointer
 102     },
 103     { "test-xi2",
 104       "<device>",
 105       test_xi2,
 106     },
 107     { "map-to-output",
 108       "<device> <output name>",
 109       map_to_output,
 110     },
 111 #endif
 112     { "list-props",
 113       "<device> [<device> ...]",
 114       list_props
 115     },
 116     { "set-int-prop",
 117       "<device> <property> <format (8, 16, 32)> <val> [<val> ...]",
 118       set_int_prop
 119     },
 120     { "set-float-prop",
 121       "<device> <property> <val> [<val> ...]",
 122       set_float_prop
 123     },
 124     { "set-atom-prop",
 125       "<device> <property> <val> [<val> ...]",
 126       set_atom_prop
 127     },
 128     { "watch-props",
 129       "<device>",
 130       watch_props
 131     },
 132     { "delete-prop",
 133       "<device> <property>",
 134       delete_prop
 135     },
 136     { "set-prop",
 137       "<device> [--type=atom|float|int] [--format=8|16|32] <property> <val> [<val> ...]",
 138       set_prop
 139     },
 140     {NULL, NULL, NULL
 141     }
 142 };
 143
 144 static const char version_id[] = VERSION;
 145
 146 static int
 147 print_version(void)
 148 {
 149     XExtensionVersion   *version;
 150     Display *display;
 151
 152     printf("xinput version %s\n", version_id);
 153
 154     display = XOpenDisplay(NULL);
 155
 156     printf("XI version on server: ");
 157
 158     if (display == NULL)
 159         printf("Failed to open display.\n");
 160     else {
 161         version = XGetExtensionVersion(display, INAME);
 162         if (!version || (version == (XExtensionVersion*) NoSuchExtension))
 163             printf(" Extension not supported.\n");
 164         else {
 165             printf("%d.%d\n", version->major_version,
 166                     version->minor_version);
 167             XFree(version);
 168             return 0;
 169         }
 170     }
 171
 172     return 1;
 173 }
 174
 175 int
 176 xinput_version(Display  *display)
 177 {
 178     XExtensionVersion   *version;
 179     static int vers = -1;
 180
 181     if (vers != -1)
 182         return vers;
 183
 184     version = XGetExtensionVersion(display, INAME);
 185
 186     if (version && (version != (XExtensionVersion*) NoSuchExtension)) {
 187         vers = version->major_version;
 188         XFree(version);
 189     }
 190
 191 #if HAVE_XI2
 192     /* Announce our supported version so the server treats us correctly. */
 193     if (vers >= XI_2_Major)
 194     {
 195         int maj = 2,
 196             min = 0;
 197
 198 #if HAVE_XI21
 199         min = 1;
 200 #elif HAVE_XI22
 201         min = 2;
 202 #endif
 203
 204         XIQueryVersion(display, &maj, &min);
 205     }
 206 #endif
 207
 208     return vers;
 209 }
 210
 211 XDeviceInfo*
 212 find_device_info(Display        *display,
 213                  char           *name,
 214                  Bool           only_extended)
 215 {
 216     XDeviceInfo *devices;
 217     XDeviceInfo *found = NULL;
 218     int         loop;
 219     int         num_devices;
 220     int         len = strlen(name);
 221     Bool        is_id = True;
 222     XID         id = (XID)-1;
 223
 224     for(loop=0; loop<len; loop++) {
 225         if (!isdigit(name[loop])) {
 226             is_id = False;
 227             break;
 228         }
 229     }
 230
 231     if (is_id) {
 232         id = atoi(name);
 233     }
 234
 235     devices = XListInputDevices(display, &num_devices);
 236
 237     for(loop=0; loop<num_devices; loop++) {
 238         if ((!only_extended || (devices[loop].use >= IsXExtensionDevice)) &&
 239             ((!is_id && strcmp(devices[loop].name, name) == 0) ||
 240              (is_id && devices[loop].id == id))) {
 241             if (found) {
 242                 fprintf(stderr,
 243                         "Warning: There are multiple devices named \"%s\".\n"
 244                         "To ensure the correct one is selected, please use "
 245                         "the device ID instead.\n\n", name);
 246                 return NULL;
 247             } else {
 248                 found = &devices[loop];
 249             }
 250         }
 251     }
 252     return found;
 253 }
 254
 255 #ifdef HAVE_XI2
 256 Bool is_pointer(int use)
 257 {
 258     return use == XIMasterPointer || use == XISlavePointer;
 259 }
 260
 261 Bool is_keyboard(int use)
 262 {
 263     return use == XIMasterKeyboard || use == XISlaveKeyboard;
 264 }
 265
 266 Bool device_matches(XIDeviceInfo *info, char *name)
 267 {
 268     if (strcmp(info->name, name) == 0) {
 269         return True;
 270     }
 271
 272     if (strncmp(name, "pointer:", strlen("pointer:")) == 0 &&
 273         strcmp(info->name, name + strlen("pointer:")) == 0 &&
 274         is_pointer(info->use)) {
 275         return True;
 276     }
 277
 278     if (strncmp(name, "keyboard:", strlen("keyboard:")) == 0 &&
 279         strcmp(info->name, name + strlen("keyboard:")) == 0 &&
 280         is_keyboard(info->use)) {
 281         return True;
 282     }
 283
 284     return False;
 285 }
 286
 287 XIDeviceInfo*
 288 xi2_find_device_info(Display *display, char *name)
 289 {
 290     XIDeviceInfo *info;
 291     XIDeviceInfo *found = NULL;
 292     int ndevices;
 293     Bool is_id = True;
 294     int i, id = -1;
 295
 296     for(i = 0; i < strlen(name); i++) {
 297         if (!isdigit(name[i])) {
 298             is_id = False;
 299             break;
 300         }
 301     }
 302
 303     if (is_id) {
 304         id = atoi(name);
 305     }
 306
 307     info = XIQueryDevice(display, XIAllDevices, &ndevices);
 308     for(i = 0; i < ndevices; i++)
 309     {
 310         if (is_id ? info[i].deviceid == id : device_matches (&info[i], name)) {
 311             if (found) {
 312                 fprintf(stderr,
 313                         "Warning: There are multiple devices matching '%s'.\n"
 314                         "To ensure the correct one is selected, please use "
 315                         "the device ID, or prefix the\ndevice name with "
 316                         "'pointer:' or 'keyboard:' as appropriate.\n\n", name);
 317                 XIFreeDeviceInfo(info);
 318                 return NULL;
 319             } else {
 320                 found = &info[i];
 321             }
 322         }
 323     }
 324
 325     return found;
 326 }
 327 #endif
 328
 329 static void
 330 usage(void)
 331 {
 332     entry       *pdriver = drivers;
 333
 334     fprintf(stderr, "usage :\n");
 335
 336     while(pdriver->func_name) {
 337         fprintf(stderr, "\txinput %s %s\n", pdriver->func_name,
 338                 pdriver->arg_desc);
 339         pdriver++;
 340     }
 341 }
 342
 343 int
 344 main(int argc, char * argv[])
 345 {
 346     Display     *display;
 347     entry       *driver = drivers;
 348     char        *func;
 349     int event, error;
 350
 351     if (argc > 1) {
 352         func = argv[1];
 353         while(func[0] == '-') func++;
 354     } else {
 355         func = "list";
 356     }
 357
 358     if (strcmp("version", func) == 0) {
 359         return print_version();
 360     }
 361
 362     if (strcmp("help", func) == 0) {
 363         usage();
 364         return 0;
 365     }
 366
 367     display = XOpenDisplay(NULL);
 368
 369     if (display == NULL) {
 370         fprintf(stderr, "Unable to connect to X server\n");
 371         return EXIT_FAILURE;
 372     }
 373
 374     if (!XQueryExtension(display, "XInputExtension", &xi_opcode, &event, &error)) {
 375         printf("X Input extension not available.\n");
 376         return EXIT_FAILURE;
 377     }
 378
 379     if (!xinput_version(display)) {
 380         fprintf(stderr, "%s extension not available\n", INAME);
 381         return EXIT_FAILURE;
 382     }
 383
 384     while(driver->func_name) {
 385         if (strcmp(driver->func_name, func) == 0) {
 386             int r = (*driver->func)(display, argc-2, argv+2,
 387                                     driver->func_name, driver->arg_desc);
 388             XSync(display, False);
 389             XCloseDisplay(display);
 390             return r;
 391         }
 392         driver++;
 393     }
 394
 395     usage();
 396
 397     return EXIT_FAILURE;
 398 }
 399
 400 /* end of xinput.c */