90 lines
2.7 KiB
C
90 lines
2.7 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 <xcb/xcb_aux.h>
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#include <xcb/xcb_event.h>
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#include <xcb/xcb_atom.h>
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#include "common/array.h"
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#include "common/atoms.h"
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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 == 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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void xutil_lock_mask_get(xcb_connection_t *, xcb_get_modifier_mapping_cookie_t,
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xcb_key_symbols_t *,
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uint16_t *, uint16_t *, uint16_t *, uint16_t *);
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/** Set the same handler for all errors */
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void xutil_error_handler_catch_all_set(xcb_event_handlers_t *,
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xcb_generic_error_handler_t, void *);
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uint16_t xutil_key_mask_fromstr(const char *, size_t);
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void xutil_key_mask_tostr(uint16_t, const char **, size_t *);
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/* Get the informations about the screen.
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* \param c X connection.
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* \param screen Screen number.
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* \return Screen informations (must not be freed!).
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*/
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static inline xcb_screen_t *
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xutil_screen_get(xcb_connection_t *c, int screen)
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{
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xcb_screen_t *s;
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if(xcb_connection_has_error(c))
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fatal("X connection invalid");
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s = xcb_aux_get_screen(c, screen);
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assert(s);
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return s;
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}
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int xutil_root2screen(xcb_connection_t *, xcb_window_t);
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#endif
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// vim: filetype=c:expandtab:shiftwidth=4:tabstop=8:softtabstop=4:encoding=utf-8:textwidth=80
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