130 lines
3.9 KiB
C
130 lines
3.9 KiB
C
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/*
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* $Xorg: XLbx.c,v 1.3 2000/08/17 19:45:51 cpqbld Exp $
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*
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* Copyright 1992 Network Computing Devices
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*
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* Permission to use, copy, modify, distribute, and sell this software and its
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* documentation for any purpose is hereby granted without fee, provided that
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* the above copyright notice appear in all copies and that both that
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* copyright notice and this permission notice appear in supporting
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* documentation, and that the name of NCD. not be used in advertising or
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* publicity pertaining to distribution of the software without specific,
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* written prior permission. NCD. makes no representations about the
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* suitability of this software for any purpose. It is provided "as is"
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* without express or implied warranty.
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*
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* NCD. DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING ALL
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO EVENT SHALL NCD.
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* BE LIABLE FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
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* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION
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* OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN
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* CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
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*
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* Author: Keith Packard, Network Computing Devices
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*/
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/* $XFree86: xc/lib/Xext/XLbx.c,v 1.4 2002/10/16 00:37:27 dawes Exp $ */
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#define NEED_EVENTS
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#define NEED_REPLIES
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#ifdef HAVE_CONFIG_H
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#include <config.h>
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#endif
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#include <stdio.h>
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#include <X11/Xlibint.h>
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#include <X11/extensions/XLbx.h>
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#include <X11/extensions/lbxstr.h>
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#include <X11/extensions/Xext.h>
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#include <X11/extensions/extutil.h>
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static XExtensionInfo _lbx_info_data;
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static XExtensionInfo *lbx_info = &_lbx_info_data;
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static /* const */ char *lbx_extension_name = LBXNAME;
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#define LbxCheckExtension(dpy,i,val) \
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XextCheckExtension (dpy, i, lbx_extension_name, val)
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static int close_display(Display *dpy, XExtCodes *codes);
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static char *error_string(Display *dpy, int code, XExtCodes *codes,
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char *buf, int n);
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static /* const */ XExtensionHooks lbx_extension_hooks = {
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NULL, /* create_gc */
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NULL, /* copy_gc */
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NULL, /* flush_gc */
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NULL, /* free_gc */
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NULL, /* create_font */
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NULL, /* free_font */
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close_display, /* close_display */
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NULL, /* wire_to_event */
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NULL, /* event_to_wire */
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NULL, /* error */
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error_string, /* error_string */
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};
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static /* const */ char *lbx_error_list[] = {
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"BadLbxClient", /* BadLbxClient */
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};
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static XEXT_GENERATE_FIND_DISPLAY (find_display, lbx_info, lbx_extension_name,
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&lbx_extension_hooks, LbxNumberEvents, NULL)
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static XEXT_GENERATE_CLOSE_DISPLAY (close_display, lbx_info)
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static XEXT_GENERATE_ERROR_STRING (error_string, lbx_extension_name,
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LbxNumberErrors, lbx_error_list)
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Bool XLbxQueryExtension (
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Display *dpy,
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int *requestp, int *event_basep, int *error_basep)
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{
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XExtDisplayInfo *info = find_display (dpy);
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if (XextHasExtension(info)) {
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*requestp = info->codes->major_opcode;
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*event_basep = info->codes->first_event;
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*error_basep = info->codes->first_error;
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return True;
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} else {
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return False;
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}
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}
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int XLbxGetEventBase(Display *dpy)
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{
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XExtDisplayInfo *info = find_display (dpy);
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if (XextHasExtension(info)) {
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return info->codes->first_event;
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} else {
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return -1;
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}
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}
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Bool XLbxQueryVersion(Display *dpy, int *majorVersion, int *minorVersion)
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{
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XExtDisplayInfo *info = find_display (dpy);
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xLbxQueryVersionReply rep;
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register xLbxQueryVersionReq *req;
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LbxCheckExtension (dpy, info, False);
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LockDisplay(dpy);
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GetReq(LbxQueryVersion, req);
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req->reqType = info->codes->major_opcode;
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req->lbxReqType = X_LbxQueryVersion;
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if (!_XReply(dpy, (xReply *)&rep, 0, xFalse)) {
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UnlockDisplay(dpy);
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SyncHandle();
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return False;
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}
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*majorVersion = rep.majorVersion;
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*minorVersion = rep.minorVersion;
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UnlockDisplay(dpy);
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SyncHandle();
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return True;
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}
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/* all other requests will run after Xlib has lost the wire ... */
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