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 #if HAVE_XI2
  85     { "create-master",
  86       "<id> [sendCore (dflt:1)] [enable (dflt:1)]",
  87       create_master
  88     },
  89     { "remove-master",
  90       "<id> [returnMode (dflt:Floating)] [returnPointer] [returnKeyboard]",
  91       remove_master
  92     },
  93     { "reattach",
  94       "<id> <master>",
  95       change_attachment
  96     },
  97     { "float",
  98       "<id>",
  99       float_device
 100     },
 101     { "set-cp",
 102       "<window> <device>",
 103       set_clientpointer
 104     },
 105     { "list-props",
 106       "<device> [<device> ...]",
 107       list_props
 108     },
 109     { "set-int-prop",
 110       "<device> <property> <format (8, 16, 32)> <val> [<val> ...]",
 111       set_int_prop
 112     },
 113     { "watch-props",
 114       "<device>",
 115       watch_props
 116     },
 117     { "delete-prop",
 118       "<device> <property>",
 119       delete_prop
 120     },
 121 #endif
 122     {0, 0, 0
 123     }
 124 };
 125
 126 static Bool
 127 is_xinput_present(Display       *display)
 128 {
 129     XExtensionVersion   *version;
 130     Bool                present;
 131
 132 #if HAVE_XI2
 133     version = XQueryInputVersion(display, XI_2_Major, XI_2_Minor);
 134 #else
 135     version = XGetExtensionVersion(display, INAME);
 136 #endif
 137
 138     if (version && (version != (XExtensionVersion*) NoSuchExtension)) {
 139         present = version->present;
 140         XFree(version);
 141         return present;
 142     } else {
 143         return False;
 144     }
 145 }
 146
 147 XDeviceInfo*
 148 find_device_info(Display        *display,
 149                  char           *name,
 150                  Bool           only_extended)
 151 {
 152     XDeviceInfo *devices;
 153     XDeviceInfo *found = NULL;
 154     int         loop;
 155     int         num_devices;
 156     int         len = strlen(name);
 157     Bool        is_id = True;
 158     XID         id;
 159
 160     for(loop=0; loop<len; loop++) {
 161         if (!isdigit(name[loop])) {
 162             is_id = False;
 163             break;
 164         }
 165     }
 166
 167     if (is_id) {
 168         id = atoi(name);
 169     }
 170
 171     devices = XListInputDevices(display, &num_devices);
 172
 173     for(loop=0; loop<num_devices; loop++) {
 174         if ((!only_extended || (devices[loop].use >= IsXExtensionDevice)) &&
 175             ((!is_id && strcmp(devices[loop].name, name) == 0) ||
 176              (is_id && devices[loop].id == id))) {
 177             if (found) {
 178                 fprintf(stderr,
 179                         "Warning: There are multiple devices named \"%s\".\n"
 180                         "To ensure the correct one is selected, please use "
 181                         "the device ID instead.\n\n", name);
 182             } else {
 183                 found = &devices[loop];
 184             }
 185         }
 186     }
 187     return found;
 188 }
 189
 190 static void
 191 usage(void)
 192 {
 193     entry       *pdriver = drivers;
 194
 195     fprintf(stderr, "usage :\n");
 196
 197     while(pdriver->func_name) {
 198         fprintf(stderr, "\txinput %s %s\n", pdriver->func_name,
 199                 pdriver->arg_desc);
 200         pdriver++;
 201     }
 202 }
 203
 204 int
 205 main(int argc, char * argv[])
 206 {
 207     Display     *display;
 208     entry       *driver = drivers;
 209     char        *func;
 210
 211     if (argc < 2) {
 212         usage();
 213         return EXIT_FAILURE;
 214     }
 215
 216     display = XOpenDisplay(NULL);
 217
 218     if (display == NULL) {
 219         fprintf(stderr, "Unable to connect to X server\n");
 220         return EXIT_FAILURE;
 221     }
 222
 223     func = argv[1];
 224     while((*func) == '-') func++;
 225
 226     if (!is_xinput_present(display)) {
 227         fprintf(stderr, "%s extension not available\n", INAME);
 228         return EXIT_FAILURE;
 229     }
 230
 231     while(driver->func_name) {
 232         if (strcmp(driver->func_name, func) == 0) {
 233             int r = (*driver->func)(display, argc-2, argv+2,
 234                                     driver->func_name, driver->arg_desc);
 235             XFlush(display);
 236             return r;
 237         }
 238         driver++;
 239     }
 240
 241     usage();
 242
 243     return EXIT_FAILURE;
 244 }
 245
 246 /* end of xinput.c */