76 lines
2.5 KiB
C
76 lines
2.5 KiB
C
/*
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* common/xutil.h - X-related useful functions header
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*
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* Copyright © 2007-2009 Julien Danjou <julien@danjou.info>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License along
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* with this program; if not, write to the Free Software Foundation, Inc.,
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* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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*
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*/
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#ifndef AWESOME_COMMON_XUTIL_H
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#define AWESOME_COMMON_XUTIL_H
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#include <xcb/xcb.h>
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#include <xcb/xcb_keysyms.h>
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#include "common/atoms.h"
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#include "common/util.h"
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#define MAX_X11_COORDINATE INT16_MAX
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#define MIN_X11_COORDINATE INT16_MIN
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#define MAX_X11_SIZE UINT16_MAX
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#define MIN_X11_SIZE 1
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static inline char *
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xutil_get_text_property_from_reply(xcb_get_property_reply_t *reply)
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{
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if(reply
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&& (reply->type == XCB_ATOM_STRING
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|| reply->type == UTF8_STRING
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|| reply->type == COMPOUND_TEXT)
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&& reply->format == 8
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&& xcb_get_property_value_length(reply))
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{
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/* We need to copy it that way since the string may not be
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* NULL-terminated */
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int len = xcb_get_property_value_length(reply);
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char *value = p_new(char, len + 1);
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memcpy(value, xcb_get_property_value(reply), len);
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value[len] = '\0';
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return value;
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}
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return NULL;
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}
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static inline void
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xutil_ungrab_server(xcb_connection_t *connection)
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{
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/* XCB's output buffer might have filled up between the GrabServer request
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* and now. Thus, the GrabServer might already have been sent and the
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* following UngrabServer would sit around in the output buffer for an
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* indeterminate time and might cause problems. We cannot detect this
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* situation, so just always flush directly after UngrabServer.
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*/
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xcb_ungrab_server(connection);
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xcb_flush(connection);
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}
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#define xcb_ungrab_server do_not_use_xcb_ungrab_server_directly
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uint16_t xutil_key_mask_fromstr(const char *);
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void xutil_key_mask_tostr(uint16_t, const char **, size_t *);
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#endif
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// vim: filetype=c:expandtab:shiftwidth=4:tabstop=8:softtabstop=4:textwidth=80
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