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 typedef int (*prog)(
  29 #if NeedFunctionPrototypes
  30                     Display* display, int argc, char *argv[],
  31                     char *prog_name, char *prog_desc
  32 #endif
  33 );
  34
  35 typedef struct
  36 {
  37     char        *func_name;
  38     char        *arg_desc;
  39     prog        func;
  40 } entry;
  41
  42 static entry drivers[] =
  43 {
  44     {"get-feedbacks",
  45      "<device name>",
  46      get_feedbacks
  47     },
  48     {"set-ptr-feedback",
  49      "<device name> <threshold> <num> <denom>",
  50      set_ptr_feedback
  51     },
  52     {"set-integer-feedback",
  53      "<device name> <feedback id> <value>",
  54      set_integer_feedback
  55     },
  56     {"get-button-map",
  57      "<device name>",
  58      get_button_map
  59     },
  60     {"set-button-map",
  61      "<device name> <map button 1> [<map button 2> [...]]",
  62      set_button_map
  63     },
  64     {"set-pointer",
  65      "<device name> [<x index> <y index>]",
  66      set_pointer
  67     },
  68     {"set-mode",
  69      "<device name> ABSOLUTE|RELATIVE",
  70      set_mode
  71     },
  72     {"list",
  73      "[--loop || --short || <device name>...]",
  74      list
  75     },
  76     {"query-state",
  77      "<device name>",
  78      query_state
  79     },
  80     {"test",
  81      "[-proximity] <device name>",
  82      test
  83     },
  84     {"version",
  85      "",
  86      version
  87     },
  88 #if HAVE_XI2
  89     { "create-master",
  90       "<id> [sendCore (dflt:1)] [enable (dflt:1)]",
  91       create_master
  92     },
  93     { "remove-master",
  94       "<id> [returnMode (dflt:Floating)] [returnPointer] [returnKeyboard]",
  95       remove_master
  96     },
  97     { "reattach",
  98       "<id> <master>",
  99       change_attachment
 100     },
 101     { "float",
 102       "<id>",
 103       float_device
 104     },
 105     { "set-cp",
 106       "<window> <device>",
 107       set_clientpointer
 108     },
 109 #endif
 110     { "list-props",
 111       "<device> [<device> ...]",
 112       list_props
 113     },
 114     { "set-int-prop",
 115       "<device> <property> <format (8, 16, 32)> <val> [<val> ...]",
 116       set_int_prop
 117     },
 118     { "set-float-prop",
 119       "<device> <property> <val> [<val> ...]",
 120       set_float_prop
 121     },
 122     { "set-atom-prop",
 123       "<device> <property> <val> [<val> ...]",
 124       set_atom_prop
 125     },
 126     { "watch-props",
 127       "<device>",
 128       watch_props
 129     },
 130     { "delete-prop",
 131       "<device> <property>",
 132       delete_prop
 133     },
 134     { "set-prop",
 135       "<device> <property> <val> [<val> ...]",
 136       set_prop
 137     },
 138     {NULL, NULL, NULL
 139     }
 140 };
 141
 142 static Bool
 143 is_xinput_present(Display       *display)
 144 {
 145     XExtensionVersion   *version;
 146     Bool                present;
 147
 148 #if HAVE_XI2
 149     version = XQueryInputVersion(display, XI_2_Major, XI_2_Minor);
 150 #else
 151     version = XGetExtensionVersion(display, INAME);
 152 #endif
 153
 154     if (version && (version != (XExtensionVersion*) NoSuchExtension)) {
 155         present = version->present;
 156         XFree(version);
 157         return present;
 158     } else {
 159         return False;
 160     }
 161 }
 162
 163 XDeviceInfo*
 164 find_device_info(Display        *display,
 165                  char           *name,
 166                  Bool           only_extended)
 167 {
 168     XDeviceInfo *devices;
 169     XDeviceInfo *found = NULL;
 170     int         loop;
 171     int         num_devices;
 172     int         len = strlen(name);
 173     Bool        is_id = True;
 174     XID         id = (XID)-1;
 175
 176     for(loop=0; loop<len; loop++) {
 177         if (!isdigit(name[loop])) {
 178             is_id = False;
 179             break;
 180         }
 181     }
 182
 183     if (is_id) {
 184         id = atoi(name);
 185     }
 186
 187     devices = XListInputDevices(display, &num_devices);
 188
 189     for(loop=0; loop<num_devices; loop++) {
 190         if ((!only_extended || (devices[loop].use >= IsXExtensionDevice)) &&
 191             ((!is_id && strcmp(devices[loop].name, name) == 0) ||
 192              (is_id && devices[loop].id == id))) {
 193             if (found) {
 194                 fprintf(stderr,
 195                         "Warning: There are multiple devices named \"%s\".\n"
 196                         "To ensure the correct one is selected, please use "
 197                         "the device ID instead.\n\n", name);
 198                 return NULL;
 199             } else {
 200                 found = &devices[loop];
 201             }
 202         }
 203     }
 204     return found;
 205 }
 206
 207 static void
 208 usage(void)
 209 {
 210     entry       *pdriver = drivers;
 211
 212     fprintf(stderr, "usage :\n");
 213
 214     while(pdriver->func_name) {
 215         fprintf(stderr, "\txinput %s %s\n", pdriver->func_name,
 216                 pdriver->arg_desc);
 217         pdriver++;
 218     }
 219 }
 220
 221 int
 222 main(int argc, char * argv[])
 223 {
 224     Display     *display;
 225     entry       *driver = drivers;
 226     char        *func;
 227
 228     if (argc < 2) {
 229         usage();
 230         return EXIT_FAILURE;
 231     }
 232
 233     display = XOpenDisplay(NULL);
 234
 235     if (display == NULL) {
 236         fprintf(stderr, "Unable to connect to X server\n");
 237         return EXIT_FAILURE;
 238     }
 239
 240     func = argv[1];
 241     while((*func) == '-') func++;
 242
 243     if (!is_xinput_present(display)) {
 244         fprintf(stderr, "%s extension not available\n", INAME);
 245         return EXIT_FAILURE;
 246     }
 247
 248     while(driver->func_name) {
 249         if (strcmp(driver->func_name, func) == 0) {
 250             int r = (*driver->func)(display, argc-2, argv+2,
 251                                     driver->func_name, driver->arg_desc);
 252             XSync(display, False);
 253             return r;
 254         }
 255         driver++;
 256     }
 257
 258     usage();
 259
 260     return EXIT_FAILURE;
 261 }
 262
 263 /* end of xinput.c */