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)(Display* display, int argc, char *argv[],
  29                     char *prog_name, char *prog_desc);
  30
  31 typedef struct
  32 {
  33     char        *func_name;
  34     char        *arg_desc;
  35     prog        func;
  36 } entry;
  37
  38 static entry drivers[] =
  39 {
  40     {"get-feedbacks",
  41      "<device name>",
  42      get_feedbacks
  43     },
  44     {"set-ptr-feedback",
  45      "<device name> <threshold> <num> <denom>",
  46      set_ptr_feedback
  47     },
  48     {"set-integer-feedback",
  49      "<device name> <feedback id> <value>",
  50      set_integer_feedback
  51     },
  52     {"get-button-map",
  53      "<device name>",
  54      get_button_map
  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 #endif
 106     { "list-props",
 107       "<device> [<device> ...]",
 108       list_props
 109     },
 110     { "set-int-prop",
 111       "<device> <property> <format (8, 16, 32)> <val> [<val> ...]",
 112       set_int_prop
 113     },
 114     { "set-float-prop",
 115       "<device> <property> <val> [<val> ...]",
 116       set_float_prop
 117     },
 118     { "set-atom-prop",
 119       "<device> <property> <val> [<val> ...]",
 120       set_atom_prop
 121     },
 122     { "watch-props",
 123       "<device>",
 124       watch_props
 125     },
 126     { "delete-prop",
 127       "<device> <property>",
 128       delete_prop
 129     },
 130     { "set-prop",
 131       "<device> <property> <val> [<val> ...]",
 132       set_prop
 133     },
 134     {NULL, NULL, NULL
 135     }
 136 };
 137
 138 static Bool
 139 is_xinput_present(Display       *display)
 140 {
 141     XExtensionVersion   *version;
 142     Bool                present;
 143
 144 #if HAVE_XI2
 145     version = XQueryInputVersion(display, XI_2_Major, XI_2_Minor);
 146 #else
 147     version = XGetExtensionVersion(display, INAME);
 148 #endif
 149
 150     if (version && (version != (XExtensionVersion*) NoSuchExtension)) {
 151         present = version->present;
 152         XFree(version);
 153         return present;
 154     } else {
 155         return False;
 156     }
 157 }
 158
 159 XDeviceInfo*
 160 find_device_info(Display        *display,
 161                  char           *name,
 162                  Bool           only_extended)
 163 {
 164     XDeviceInfo *devices;
 165     XDeviceInfo *found = NULL;
 166     int         loop;
 167     int         num_devices;
 168     int         len = strlen(name);
 169     Bool        is_id = True;
 170     XID         id = (XID)-1;
 171
 172     for(loop=0; loop<len; loop++) {
 173         if (!isdigit(name[loop])) {
 174             is_id = False;
 175             break;
 176         }
 177     }
 178
 179     if (is_id) {
 180         id = atoi(name);
 181     }
 182
 183     devices = XListInputDevices(display, &num_devices);
 184
 185     for(loop=0; loop<num_devices; loop++) {
 186         if ((!only_extended || (devices[loop].use >= IsXExtensionDevice)) &&
 187             ((!is_id && strcmp(devices[loop].name, name) == 0) ||
 188              (is_id && devices[loop].id == id))) {
 189             if (found) {
 190                 fprintf(stderr,
 191                         "Warning: There are multiple devices named \"%s\".\n"
 192                         "To ensure the correct one is selected, please use "
 193                         "the device ID instead.\n\n", name);
 194                 return NULL;
 195             } else {
 196                 found = &devices[loop];
 197             }
 198         }
 199     }
 200     return found;
 201 }
 202
 203 static void
 204 usage(void)
 205 {
 206     entry       *pdriver = drivers;
 207
 208     fprintf(stderr, "usage :\n");
 209
 210     while(pdriver->func_name) {
 211         fprintf(stderr, "\txinput %s %s\n", pdriver->func_name,
 212                 pdriver->arg_desc);
 213         pdriver++;
 214     }
 215 }
 216
 217 int
 218 main(int argc, char * argv[])
 219 {
 220     Display     *display;
 221     entry       *driver = drivers;
 222     char        *func;
 223
 224     if (argc < 2) {
 225         usage();
 226         return EXIT_FAILURE;
 227     }
 228
 229     display = XOpenDisplay(NULL);
 230
 231     if (display == NULL) {
 232         fprintf(stderr, "Unable to connect to X server\n");
 233         return EXIT_FAILURE;
 234     }
 235
 236     func = argv[1];
 237     while((*func) == '-') func++;
 238
 239     if (!is_xinput_present(display)) {
 240         fprintf(stderr, "%s extension not available\n", INAME);
 241         return EXIT_FAILURE;
 242     }
 243
 244     while(driver->func_name) {
 245         if (strcmp(driver->func_name, func) == 0) {
 246             int r = (*driver->func)(display, argc-2, argv+2,
 247                                     driver->func_name, driver->arg_desc);
 248             XSync(display, False);
 249             return r;
 250         }
 251         driver++;
 252     }
 253
 254     usage();
 255
 256     return EXIT_FAILURE;
 257 }
 258
 259 /* end of xinput.c */