code.delx.au - pulseaudio/blob - src/polyp/client-conf-x11.c

   1 /* $Id$ */
   2
   3 /***
   4   This file is part of polypaudio.
   5
   6   polypaudio is free software; you can redistribute it and/or modify
   7   it under the terms of the GNU Lesser General Public License as published
   8   by the Free Software Foundation; either version 2 of the License,
   9   or (at your option) any later version.
  10
  11   polypaudio is distributed in the hope that it will be useful, but
  12   WITHOUT ANY WARRANTY; without even the implied warranty of
  13   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
  14   General Public License for more details.
  15
  16   You should have received a copy of the GNU Lesser General Public License
  17   along with polypaudio; if not, write to the Free Software
  18   Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-13071
  19   USA.
  20 ***/
  21
  22 #ifdef HAVE_CONFIG_H
  23 #include <config.h>
  24 #endif
  25
  26 #include <string.h>
  27 #include <assert.h>
  28
  29 #include <X11/Xlib.h>
  30 #include <X11/Xatom.h>
  31
  32 #include "client-conf-x11.h"
  33 #include <polypcore/x11prop.h>
  34 #include <polypcore/log.h>
  35 #include <polypcore/xmalloc.h>
  36 #include <polypcore/util.h>
  37
  38 int pa_client_conf_from_x11(pa_client_conf *c, const char *dname) {
  39     Display *d = NULL;
  40     int ret = -1;
  41     char t[1024];
  42
  43     if (!dname && !getenv("DISPLAY"))
  44         goto finish;
  45
  46     if (!(d = XOpenDisplay(dname))) {
  47         pa_log(__FILE__": XOpenDisplay() failed\n");
  48         goto finish;
  49     }
  50
  51     if (pa_x11_get_prop(d, "POLYP_SERVER", t, sizeof(t))) {
  52         pa_xfree(c->default_server);
  53         c->default_server = pa_xstrdup(t);
  54     }
  55
  56     if (pa_x11_get_prop(d, "POLYP_SINK", t, sizeof(t))) {
  57         pa_xfree(c->default_sink);
  58         c->default_sink = pa_xstrdup(t);
  59     }
  60
  61     if (pa_x11_get_prop(d, "POLYP_SOURCE", t, sizeof(t))) {
  62         pa_xfree(c->default_source);
  63         c->default_source = pa_xstrdup(t);
  64     }
  65
  66     if (pa_x11_get_prop(d, "POLYP_COOKIE", t, sizeof(t))) {
  67         uint8_t cookie[PA_NATIVE_COOKIE_LENGTH];
  68
  69         if (pa_parsehex(t, cookie, sizeof(cookie)) != sizeof(cookie)) {
  70             pa_log(__FILE__": failed to parse cookie data\n");
  71             goto finish;
  72         }
  73
  74         assert(sizeof(cookie) == sizeof(c->cookie));
  75         memcpy(c->cookie, cookie, sizeof(cookie));
  76
  77         c->cookie_valid = 1;
  78
  79         pa_xfree(c->cookie_file);
  80         c->cookie_file = NULL;
  81     }
  82
  83     ret = 0;
  84
  85 finish:
  86     if (d)
  87         XCloseDisplay(d);
  88
  89     return ret;
  90
  91 }