common/xutil.h

   1 /*
   2  * common/xutil.h - X-related useful functions header
   3  *
   4  * Copyright © 2007-2009 Julien Danjou <julien@danjou.info>
   5  *
   6  * This program is free software; you can redistribute it and/or modify
   7  * it under the terms of the GNU General Public License as published by
   8  * the Free Software Foundation; either version 2 of the License, or
   9  * (at your option) any later version.
  10  *
  11  * This program is distributed in the hope that it will be useful,
  12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14  * GNU General Public License for more details.
  15  *
  16  * You should have received a copy of the GNU General Public License along
  17  * with this program; if not, write to the Free Software Foundation, Inc.,
  18  * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
  19  *
  20  */
  21
  22 #ifndef AWESOME_COMMON_XUTIL_H
  23 #define AWESOME_COMMON_XUTIL_H
  24
  25 #include <xcb/xcb.h>
  26 #include <xcb/xcb_keysyms.h>
  27
  28 #include "common/atoms.h"
  29 #include "common/util.h"
  30
  31 static inline char *
  32 xutil_get_text_property_from_reply(xcb_get_property_reply_t *reply)
  33 {
  34     if(reply
  35        && (reply->type == XCB_ATOM_STRING
  36            || reply->type == UTF8_STRING
  37            || reply->type == COMPOUND_TEXT)
  38        && reply->format == 8
  39        && xcb_get_property_value_length(reply))
  40     {
  41         /* We need to copy it that way since the string may not be
  42          * NULL-terminated */
  43         int len = xcb_get_property_value_length(reply);
  44         char *value = p_new(char, len + 1);
  45         memcpy(value, xcb_get_property_value(reply), len);
  46         value[len] = '\0';
  47         return value;
  48     }
  49     return NULL;
  50 }
  51
  52 void xutil_lock_mask_get(xcb_connection_t *, xcb_get_modifier_mapping_cookie_t,
  53                          xcb_key_symbols_t *,
  54                          uint16_t *, uint16_t *, uint16_t *, uint16_t *);
  55
  56 uint16_t xutil_key_mask_fromstr(const char *);
  57 void xutil_key_mask_tostr(uint16_t, const char **, size_t *);
  58
  59 #endif
  60 // vim: filetype=c:expandtab:shiftwidth=4:tabstop=8:softtabstop=4:textwidth=80