4c221b0da1816acf2ca302b10092df059484468dvboxsync/*
4c221b0da1816acf2ca302b10092df059484468dvboxsync
4c221b0da1816acf2ca302b10092df059484468dvboxsyncCopyright 2007 Peter Hutterer <peter@cs.unisa.edu.au>
4c221b0da1816acf2ca302b10092df059484468dvboxsync
4c221b0da1816acf2ca302b10092df059484468dvboxsyncPermission to use, copy, modify, distribute, and sell this software and its
4c221b0da1816acf2ca302b10092df059484468dvboxsyncdocumentation for any purpose is hereby granted without fee, provided that
4c221b0da1816acf2ca302b10092df059484468dvboxsyncthe above copyright notice appear in all copies and that both that
4c221b0da1816acf2ca302b10092df059484468dvboxsynccopyright notice and this permission notice appear in supporting
4c221b0da1816acf2ca302b10092df059484468dvboxsyncdocumentation.
4c221b0da1816acf2ca302b10092df059484468dvboxsync
4c221b0da1816acf2ca302b10092df059484468dvboxsyncThe above copyright notice and this permission notice shall be included
4c221b0da1816acf2ca302b10092df059484468dvboxsyncin all copies or substantial portions of the Software.
4c221b0da1816acf2ca302b10092df059484468dvboxsync
4c221b0da1816acf2ca302b10092df059484468dvboxsyncTHE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
4c221b0da1816acf2ca302b10092df059484468dvboxsyncOR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
4c221b0da1816acf2ca302b10092df059484468dvboxsyncMERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
4c221b0da1816acf2ca302b10092df059484468dvboxsyncIN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY CLAIM, DAMAGES OR
4c221b0da1816acf2ca302b10092df059484468dvboxsyncOTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
4c221b0da1816acf2ca302b10092df059484468dvboxsyncARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
4c221b0da1816acf2ca302b10092df059484468dvboxsyncOTHER DEALINGS IN THE SOFTWARE.
4c221b0da1816acf2ca302b10092df059484468dvboxsync
4c221b0da1816acf2ca302b10092df059484468dvboxsyncExcept as contained in this notice, the name of the author shall
4c221b0da1816acf2ca302b10092df059484468dvboxsyncnot be used in advertising or otherwise to promote the sale, use or
4c221b0da1816acf2ca302b10092df059484468dvboxsyncother dealings in this Software without prior written authorization
4c221b0da1816acf2ca302b10092df059484468dvboxsyncfrom the author.
4c221b0da1816acf2ca302b10092df059484468dvboxsync
4c221b0da1816acf2ca302b10092df059484468dvboxsync*/
4c221b0da1816acf2ca302b10092df059484468dvboxsync
4c221b0da1816acf2ca302b10092df059484468dvboxsync#ifdef HAVE_DIX_CONFIG_H
4c221b0da1816acf2ca302b10092df059484468dvboxsync#include <dix-config.h>
4c221b0da1816acf2ca302b10092df059484468dvboxsync#endif
4c221b0da1816acf2ca302b10092df059484468dvboxsync
4c221b0da1816acf2ca302b10092df059484468dvboxsync#ifndef _GEEXT_H_
4c221b0da1816acf2ca302b10092df059484468dvboxsync#define _GEEXT_H_
4c221b0da1816acf2ca302b10092df059484468dvboxsync#include <X11/extensions/geproto.h>
4c221b0da1816acf2ca302b10092df059484468dvboxsync
4c221b0da1816acf2ca302b10092df059484468dvboxsync/** Struct to keep information about registered extensions */
4c221b0da1816acf2ca302b10092df059484468dvboxsynctypedef struct _GEExtension {
4c221b0da1816acf2ca302b10092df059484468dvboxsync /** Event swapping routine */
4c221b0da1816acf2ca302b10092df059484468dvboxsync void (*evswap)(xGenericEvent* from, xGenericEvent* to);
4c221b0da1816acf2ca302b10092df059484468dvboxsync} GEExtension, *GEExtensionPtr;
4c221b0da1816acf2ca302b10092df059484468dvboxsync
4c221b0da1816acf2ca302b10092df059484468dvboxsync
4c221b0da1816acf2ca302b10092df059484468dvboxsync/* All registered extensions and their handling functions. */
4c221b0da1816acf2ca302b10092df059484468dvboxsyncextern _X_EXPORT GEExtension GEExtensions[MAXEXTENSIONS];
4c221b0da1816acf2ca302b10092df059484468dvboxsync
4c221b0da1816acf2ca302b10092df059484468dvboxsync/* Typecast to generic event */
4c221b0da1816acf2ca302b10092df059484468dvboxsync#define GEV(ev) ((xGenericEvent*)(ev))
4c221b0da1816acf2ca302b10092df059484468dvboxsync/* Returns the extension offset from the event */
4c221b0da1816acf2ca302b10092df059484468dvboxsync#define GEEXT(ev) (GEV(ev)->extension)
4c221b0da1816acf2ca302b10092df059484468dvboxsync
4c221b0da1816acf2ca302b10092df059484468dvboxsync/* Return zero-based extension offset (offset - 128). Only for use in arrays */
4c221b0da1816acf2ca302b10092df059484468dvboxsync#define GEEXTIDX(ev) (GEEXT(ev) & 0x7F)
4c221b0da1816acf2ca302b10092df059484468dvboxsync/* True if mask is set for extension on window */
4c221b0da1816acf2ca302b10092df059484468dvboxsync#define GEMaskIsSet(pWin, extension, mask) \
4c221b0da1816acf2ca302b10092df059484468dvboxsync ((pWin)->optional && \
4c221b0da1816acf2ca302b10092df059484468dvboxsync (pWin)->optional->geMasks && \
4c221b0da1816acf2ca302b10092df059484468dvboxsync ((pWin)->optional->geMasks->eventMasks[(extension) & 0x7F] & (mask)))
4c221b0da1816acf2ca302b10092df059484468dvboxsync
4c221b0da1816acf2ca302b10092df059484468dvboxsync/* Returns first client */
4c221b0da1816acf2ca302b10092df059484468dvboxsync#define GECLIENT(pWin) \
4c221b0da1816acf2ca302b10092df059484468dvboxsync (((pWin)->optional) ? (pWin)->optional->geMasks->geClients : NULL)
4c221b0da1816acf2ca302b10092df059484468dvboxsync
4c221b0da1816acf2ca302b10092df059484468dvboxsync/* Returns the event_fill for the given event */
4c221b0da1816acf2ca302b10092df059484468dvboxsync#define GEEventFill(ev) \
4c221b0da1816acf2ca302b10092df059484468dvboxsync GEExtensions[GEEXTIDX(ev)].evfill
4c221b0da1816acf2ca302b10092df059484468dvboxsync
4c221b0da1816acf2ca302b10092df059484468dvboxsync#define GEIsType(ev, ext, ev_type) \
4c221b0da1816acf2ca302b10092df059484468dvboxsync ((GEV(ev)->type == GenericEvent) && \
4c221b0da1816acf2ca302b10092df059484468dvboxsync GEEXT(ev) == (ext) && \
4c221b0da1816acf2ca302b10092df059484468dvboxsync GEV(ev)->evtype == (ev_type))
4c221b0da1816acf2ca302b10092df059484468dvboxsync
4c221b0da1816acf2ca302b10092df059484468dvboxsync
4c221b0da1816acf2ca302b10092df059484468dvboxsync/* Interface for other extensions */
4c221b0da1816acf2ca302b10092df059484468dvboxsyncextern _X_EXPORT void GERegisterExtension(
4c221b0da1816acf2ca302b10092df059484468dvboxsync int extension,
4c221b0da1816acf2ca302b10092df059484468dvboxsync void (*ev_dispatch)(xGenericEvent* from, xGenericEvent* to));
4c221b0da1816acf2ca302b10092df059484468dvboxsync
4c221b0da1816acf2ca302b10092df059484468dvboxsyncextern _X_EXPORT void GEInitEvent(xGenericEvent* ev, int extension);
4c221b0da1816acf2ca302b10092df059484468dvboxsync
4c221b0da1816acf2ca302b10092df059484468dvboxsyncextern _X_EXPORT void GEExtensionInit(void);
4c221b0da1816acf2ca302b10092df059484468dvboxsync
4c221b0da1816acf2ca302b10092df059484468dvboxsync#endif /* _GEEXT_H_ */