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     {"set-button-map",
  57      "<device name> <map button 1> [<map button 2> [...]]",
  58      set_button_map
  59     },
  60     {"set-pointer",
  61      "<device name> [<x index> <y index>]",
  62      set_pointer
  63     },
  64     {"set-mode",
  65      "<device name> ABSOLUTE|RELATIVE",
  66      set_mode
  67     },
  68     {"list",
  69      "[--short || <device name>...]",
  70      list
  71     },
  72     {"query-state",
  73      "<device name>",
  74      query_state
  75     },
  76     {"test",
  77      "[-proximity] <device name>",
  78      test
  79     },
  80     {"version",
  81      "",
  82      version
  83     },
  84     {0, 0, 0
  85     }
  86 };
  87
  88 static Bool
  89 is_xinput_present(Display       *display)
  90 {
  91     XExtensionVersion   *version;
  92     Bool                present;
  93
  94     version = XGetExtensionVersion(display, INAME);
  95
  96     if (version && (version != (XExtensionVersion*) NoSuchExtension)) {
  97         present = version->present;
  98         XFree(version);
  99         return present;
 100     } else {
 101         return False;
 102     }
 103 }
 104
 105 XDeviceInfo*
 106 find_device_info(Display        *display,
 107                  char           *name,
 108                  Bool           only_extended)
 109 {
 110     XDeviceInfo *devices;
 111     XDeviceInfo *found = NULL;
 112     int         loop;
 113     int         num_devices;
 114     int         len = strlen(name);
 115     Bool        is_id = True;
 116     XID         id;
 117
 118     for(loop=0; loop<len; loop++) {
 119         if (!isdigit(name[loop])) {
 120             is_id = False;
 121             break;
 122         }
 123     }
 124
 125     if (is_id) {
 126         id = atoi(name);
 127     }
 128
 129     devices = XListInputDevices(display, &num_devices);
 130
 131     for(loop=0; loop<num_devices; loop++) {
 132         if ((!only_extended || (devices[loop].use >= IsXExtensionDevice)) &&
 133             ((!is_id && strcmp(devices[loop].name, name) == 0) ||
 134              (is_id && devices[loop].id == id))) {
 135             if (found) {
 136                 fprintf(stderr,
 137                         "Warning: There are multiple devices named \"%s\".\n"
 138                         "To ensure the correct one is selected, please use "
 139                         "the device ID instead.\n\n", name);
 140             } else {
 141                 found = &devices[loop];
 142             }
 143         }
 144     }
 145     return found;
 146 }
 147
 148 static void
 149 usage()
 150 {
 151     entry       *pdriver = drivers;
 152
 153     fprintf(stderr, "usage :\n");
 154
 155     while(pdriver->func_name) {
 156         fprintf(stderr, "\txinput %s %s\n", pdriver->func_name,
 157                 pdriver->arg_desc);
 158         pdriver++;
 159     }
 160 }
 161
 162 int
 163 main(int argc, char * argv[])
 164 {
 165     Display     *display;
 166     entry       *driver = drivers;
 167     char        *func;
 168
 169     if (argc < 2) {
 170         usage();
 171         return EXIT_FAILURE;
 172     }
 173
 174     display = XOpenDisplay(NULL);
 175
 176     if (display == NULL) {
 177         fprintf(stderr, "Unable to connect to X server\n");
 178         return EXIT_FAILURE;
 179     }
 180
 181     func = argv[1];
 182     while((*func) == '-') func++;
 183
 184     if (!is_xinput_present(display)) {
 185         fprintf(stderr, "%s extension not available\n", INAME);
 186         return EXIT_FAILURE;
 187     }
 188
 189     while(driver->func_name) {
 190         if (strcmp(driver->func_name, func) == 0) {
 191             int r = (*driver->func)(display, argc-2, argv+2,
 192                                     driver->func_name, driver->arg_desc);
 193             XFlush(display);
 194             return r;
 195         }
 196         driver++;
 197     }
 198
 199     usage();
 200
 201     return EXIT_FAILURE;
 202 }
 203
 204 /* end of xinput.c */