wmfu/extra/xhooktst.c

   1 /*
   2  * Copyright (c) 2007 Daniel Borca  All rights reserved.
   3  *
   4  * This program is free software; you can redistribute it and/or modify
   5  * it under the terms of the GNU General Public License as published by
   6  * the Free Software Foundation; either version 2 of the License, or
   7  * (at your option) any later version.
   8  *
   9  * This program is distributed in the hope that it will be useful,
  10  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12  * GNU General Public License for more details.
  13  *
  14  * You should have received a copy of the GNU General Public License
  15  * along with this program; if not, write to the Free Software
  16  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
  17  */
  18
  19
  20 #include <stdio.h>
  21 #include <signal.h>
  22 #include <stdlib.h>
  23 #include <X11/Xlib.h>
  24
  25 #include "xhookey.h"
  26
  27
  28 static void
  29 test_keys (Display *dpy, int num, KTUPLE keys[])
  30 {
  31     int quit = 0;
  32
  33 #if XHK_SIGFORK
  34     void (*old_sig_handler) (int)  = signal(SIGCHLD, xhk_sig_handler);
  35 #endif
  36 #if XHK_XERROR
  37     XErrorHandler old_eks_handler = XSetErrorHandler(xhk_eks_handler);
  38 #endif
  39     while (!quit) {
  40         XEvent evt;
  41         XNextEvent(dpy, &evt);
  42         xhk_run(dpy, &evt, num, keys);
  43     }
  44 #if XHK_XERROR
  45     XSetErrorHandler(old_eks_handler);
  46 #endif
  47 #if XHK_SIGFORK
  48     signal(SIGCHLD, old_sig_handler);
  49 #endif
  50 }
  51
  52
  53 int
  54 main (int argc, char **argv)
  55 {
  56     int rv;
  57
  58     int n;
  59     KTUPLE *keys;
  60
  61     Display *display;
  62
  63     display = XOpenDisplay(NULL);
  64     if (display == NULL) {
  65         fprintf(stderr, "cannot open display\n");
  66         goto err_0;
  67     }
  68
  69     n = xhk_parse(argc, argv, &keys);
  70     if (n <= 0) {
  71         fprintf(stderr, "no keys\n");
  72         goto err_1;
  73     }
  74
  75     rv = xhk_grab(display, n, keys);
  76     if (rv < 0) {
  77         printf("cannot grab keys\n");
  78         goto err_2;
  79     }
  80
  81     test_keys(display, n, keys);
  82
  83     xhk_ungrab(display);
  84
  85     free(keys);
  86
  87     XCloseDisplay(display);
  88
  89     return 0;
  90
  91   err_2:
  92     free(keys);
  93   err_1:
  94     XCloseDisplay(display);
  95   err_0:
  96     return -1;
  97 }