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      "[--loop || --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     { "create-master",
  85       "<id> [sendCore (dflt:1)] [enable (dflt:1)]",
  86       create_master
  87     },
  88     { "remove-master",
  89       "<id> [returnMode (dflt:Floating)] [returnPointer] [returnKeyboard]",
  90       remove_master
  91     },
  92     { "reattach",
  93       "<id> <master>",
  94       change_attachment
  95     },
  96     { "float",
  97       "<id>",
  98       float_device
  99     },
 100     { "set-cp",
 101       "<window> <device>",
 102       set_clientpointer
 103     },
 104     {0, 0, 0
 105     }
 106 };
 107
 108 static Bool
 109 is_xinput_present(Display       *display)
 110 {
 111     XExtensionVersion   *version;
 112     Bool                present;
 113
 114     version = XQueryInputVersion(display, XI_2_Major, XI_2_Minor);
 115
 116     if (version && (version != (XExtensionVersion*) NoSuchExtension)) {
 117         present = version->present;
 118         XFree(version);
 119         return present;
 120     } else {
 121         return False;
 122     }
 123 }
 124
 125 XDeviceInfo*
 126 find_device_info(Display        *display,
 127                  char           *name,
 128                  Bool           only_extended)
 129 {
 130     XDeviceInfo *devices;
 131     XDeviceInfo *found = NULL;
 132     int         loop;
 133     int         num_devices;
 134     int         len = strlen(name);
 135     Bool        is_id = True;
 136     XID         id;
 137
 138     for(loop=0; loop<len; loop++) {
 139         if (!isdigit(name[loop])) {
 140             is_id = False;
 141             break;
 142         }
 143     }
 144
 145     if (is_id) {
 146         id = atoi(name);
 147     }
 148
 149     devices = XListInputDevices(display, &num_devices);
 150
 151     for(loop=0; loop<num_devices; loop++) {
 152         if ((!only_extended || (devices[loop].use >= IsXExtensionDevice)) &&
 153             ((!is_id && strcmp(devices[loop].name, name) == 0) ||
 154              (is_id && devices[loop].id == id))) {
 155             if (found) {
 156                 fprintf(stderr,
 157                         "Warning: There are multiple devices named \"%s\".\n"
 158                         "To ensure the correct one is selected, please use "
 159                         "the device ID instead.\n\n", name);
 160             } else {
 161                 found = &devices[loop];
 162             }
 163         }
 164     }
 165     return found;
 166 }
 167
 168 static void
 169 usage(void)
 170 {
 171     entry       *pdriver = drivers;
 172
 173     fprintf(stderr, "usage :\n");
 174
 175     while(pdriver->func_name) {
 176         fprintf(stderr, "\txinput %s %s\n", pdriver->func_name,
 177                 pdriver->arg_desc);
 178         pdriver++;
 179     }
 180 }
 181
 182 int
 183 main(int argc, char * argv[])
 184 {
 185     Display     *display;
 186     entry       *driver = drivers;
 187     char        *func;
 188
 189     if (argc < 2) {
 190         usage();
 191         return EXIT_FAILURE;
 192     }
 193
 194     display = XOpenDisplay(NULL);
 195
 196     if (display == NULL) {
 197         fprintf(stderr, "Unable to connect to X server\n");
 198         return EXIT_FAILURE;
 199     }
 200
 201     func = argv[1];
 202     while((*func) == '-') func++;
 203
 204     if (!is_xinput_present(display)) {
 205         fprintf(stderr, "%s extension not available\n", INAME);
 206         return EXIT_FAILURE;
 207     }
 208
 209     while(driver->func_name) {
 210         if (strcmp(driver->func_name, func) == 0) {
 211             int r = (*driver->func)(display, argc-2, argv+2,
 212                                     driver->func_name, driver->arg_desc);
 213             XFlush(display);
 214             return r;
 215         }
 216         driver++;
 217     }
 218
 219     usage();
 220
 221     return EXIT_FAILURE;
 222 }
 223
 224 /* end of xinput.c */