b9a21c3c91c47e090316e28d759194e46628ed49vboxsync/*
b9a21c3c91c47e090316e28d759194e46628ed49vboxsync
b9a21c3c91c47e090316e28d759194e46628ed49vboxsyncCopyright 2007 Peter Hutterer <peter@cs.unisa.edu.au>
b9a21c3c91c47e090316e28d759194e46628ed49vboxsync
b9a21c3c91c47e090316e28d759194e46628ed49vboxsyncPermission to use, copy, modify, distribute, and sell this software and its
b9a21c3c91c47e090316e28d759194e46628ed49vboxsyncdocumentation for any purpose is hereby granted without fee, provided that
b9a21c3c91c47e090316e28d759194e46628ed49vboxsyncthe above copyright notice appear in all copies and that both that
b9a21c3c91c47e090316e28d759194e46628ed49vboxsynccopyright notice and this permission notice appear in supporting
b9a21c3c91c47e090316e28d759194e46628ed49vboxsyncdocumentation.
b9a21c3c91c47e090316e28d759194e46628ed49vboxsync
b9a21c3c91c47e090316e28d759194e46628ed49vboxsyncThe above copyright notice and this permission notice shall be included
b9a21c3c91c47e090316e28d759194e46628ed49vboxsyncin all copies or substantial portions of the Software.
b9a21c3c91c47e090316e28d759194e46628ed49vboxsync
b9a21c3c91c47e090316e28d759194e46628ed49vboxsyncTHE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
b9a21c3c91c47e090316e28d759194e46628ed49vboxsyncOR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
b9a21c3c91c47e090316e28d759194e46628ed49vboxsyncMERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
b9a21c3c91c47e090316e28d759194e46628ed49vboxsyncIN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY CLAIM, DAMAGES OR
b9a21c3c91c47e090316e28d759194e46628ed49vboxsyncOTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
b9a21c3c91c47e090316e28d759194e46628ed49vboxsyncARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
b9a21c3c91c47e090316e28d759194e46628ed49vboxsyncOTHER DEALINGS IN THE SOFTWARE.
b9a21c3c91c47e090316e28d759194e46628ed49vboxsync
b9a21c3c91c47e090316e28d759194e46628ed49vboxsyncExcept as contained in this notice, the name of the author shall
b9a21c3c91c47e090316e28d759194e46628ed49vboxsyncnot be used in advertising or otherwise to promote the sale, use or
b9a21c3c91c47e090316e28d759194e46628ed49vboxsyncother dealings in this Software without prior written authorization
b9a21c3c91c47e090316e28d759194e46628ed49vboxsyncfrom the author.
b9a21c3c91c47e090316e28d759194e46628ed49vboxsync
b9a21c3c91c47e090316e28d759194e46628ed49vboxsync*/
b9a21c3c91c47e090316e28d759194e46628ed49vboxsync
b9a21c3c91c47e090316e28d759194e46628ed49vboxsync#ifdef HAVE_DIX_CONFIG_H
b9a21c3c91c47e090316e28d759194e46628ed49vboxsync#include <dix-config.h>
b9a21c3c91c47e090316e28d759194e46628ed49vboxsync#endif
b9a21c3c91c47e090316e28d759194e46628ed49vboxsync
b9a21c3c91c47e090316e28d759194e46628ed49vboxsync#ifndef _GEEXT_H_
b9a21c3c91c47e090316e28d759194e46628ed49vboxsync#define _GEEXT_H_
b9a21c3c91c47e090316e28d759194e46628ed49vboxsync#include <X11/extensions/geproto.h>
b9a21c3c91c47e090316e28d759194e46628ed49vboxsync
b9a21c3c91c47e090316e28d759194e46628ed49vboxsync/** Struct to keep information about registered extensions */
b9a21c3c91c47e090316e28d759194e46628ed49vboxsynctypedef struct _GEExtension {
b9a21c3c91c47e090316e28d759194e46628ed49vboxsync /** Event swapping routine */
b9a21c3c91c47e090316e28d759194e46628ed49vboxsync void (*evswap)(xGenericEvent* from, xGenericEvent* to);
b9a21c3c91c47e090316e28d759194e46628ed49vboxsync} GEExtension, *GEExtensionPtr;
b9a21c3c91c47e090316e28d759194e46628ed49vboxsync
b9a21c3c91c47e090316e28d759194e46628ed49vboxsync
b9a21c3c91c47e090316e28d759194e46628ed49vboxsync/* All registered extensions and their handling functions. */
b9a21c3c91c47e090316e28d759194e46628ed49vboxsyncextern _X_EXPORT GEExtension GEExtensions[MAXEXTENSIONS];
b9a21c3c91c47e090316e28d759194e46628ed49vboxsync
b9a21c3c91c47e090316e28d759194e46628ed49vboxsync/* Typecast to generic event */
b9a21c3c91c47e090316e28d759194e46628ed49vboxsync#define GEV(ev) ((xGenericEvent*)(ev))
b9a21c3c91c47e090316e28d759194e46628ed49vboxsync/* Returns the extension offset from the event */
b9a21c3c91c47e090316e28d759194e46628ed49vboxsync#define GEEXT(ev) (GEV(ev)->extension)
b9a21c3c91c47e090316e28d759194e46628ed49vboxsync
b9a21c3c91c47e090316e28d759194e46628ed49vboxsync/* Return zero-based extension offset (offset - 128). Only for use in arrays */
b9a21c3c91c47e090316e28d759194e46628ed49vboxsync#define GEEXTIDX(ev) (GEEXT(ev) & 0x7F)
b9a21c3c91c47e090316e28d759194e46628ed49vboxsync/* True if mask is set for extension on window */
b9a21c3c91c47e090316e28d759194e46628ed49vboxsync#define GEMaskIsSet(pWin, extension, mask) \
b9a21c3c91c47e090316e28d759194e46628ed49vboxsync ((pWin)->optional && \
b9a21c3c91c47e090316e28d759194e46628ed49vboxsync (pWin)->optional->geMasks && \
b9a21c3c91c47e090316e28d759194e46628ed49vboxsync ((pWin)->optional->geMasks->eventMasks[(extension) & 0x7F] & (mask)))
b9a21c3c91c47e090316e28d759194e46628ed49vboxsync
b9a21c3c91c47e090316e28d759194e46628ed49vboxsync/* Returns first client */
b9a21c3c91c47e090316e28d759194e46628ed49vboxsync#define GECLIENT(pWin) \
b9a21c3c91c47e090316e28d759194e46628ed49vboxsync (((pWin)->optional) ? (pWin)->optional->geMasks->geClients : NULL)
b9a21c3c91c47e090316e28d759194e46628ed49vboxsync
b9a21c3c91c47e090316e28d759194e46628ed49vboxsync/* Returns the event_fill for the given event */
b9a21c3c91c47e090316e28d759194e46628ed49vboxsync#define GEEventFill(ev) \
b9a21c3c91c47e090316e28d759194e46628ed49vboxsync GEExtensions[GEEXTIDX(ev)].evfill
b9a21c3c91c47e090316e28d759194e46628ed49vboxsync
b9a21c3c91c47e090316e28d759194e46628ed49vboxsync#define GEIsType(ev, ext, ev_type) \
b9a21c3c91c47e090316e28d759194e46628ed49vboxsync ((GEV(ev)->type == GenericEvent) && \
b9a21c3c91c47e090316e28d759194e46628ed49vboxsync GEEXT(ev) == (ext) && \
b9a21c3c91c47e090316e28d759194e46628ed49vboxsync GEV(ev)->evtype == (ev_type))
b9a21c3c91c47e090316e28d759194e46628ed49vboxsync
b9a21c3c91c47e090316e28d759194e46628ed49vboxsync
b9a21c3c91c47e090316e28d759194e46628ed49vboxsync/* Interface for other extensions */
b9a21c3c91c47e090316e28d759194e46628ed49vboxsyncextern _X_EXPORT void GERegisterExtension(
b9a21c3c91c47e090316e28d759194e46628ed49vboxsync int extension,
b9a21c3c91c47e090316e28d759194e46628ed49vboxsync void (*ev_dispatch)(xGenericEvent* from, xGenericEvent* to));
b9a21c3c91c47e090316e28d759194e46628ed49vboxsync
b9a21c3c91c47e090316e28d759194e46628ed49vboxsyncextern _X_EXPORT void GEInitEvent(xGenericEvent* ev, int extension);
b9a21c3c91c47e090316e28d759194e46628ed49vboxsync
b9a21c3c91c47e090316e28d759194e46628ed49vboxsyncextern _X_EXPORT void GEExtensionInit(void);
b9a21c3c91c47e090316e28d759194e46628ed49vboxsync
b9a21c3c91c47e090316e28d759194e46628ed49vboxsync#endif /* _GEEXT_H_ */