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Diffstat (limited to 'xorg-server/xfixes/xfixes.c')
| -rw-r--r-- | xorg-server/xfixes/xfixes.c | 261 |
1 files changed, 261 insertions, 0 deletions
diff --git a/xorg-server/xfixes/xfixes.c b/xorg-server/xfixes/xfixes.c new file mode 100644 index 000000000..0db49895e --- /dev/null +++ b/xorg-server/xfixes/xfixes.c @@ -0,0 +1,261 @@ +/* + * Copyright © 2006 Sun Microsystems + * + * Permission to use, copy, modify, distribute, and sell this software and its + * documentation for any purpose is hereby granted without fee, provided that + * the above copyright notice appear in all copies and that both that + * copyright notice and this permission notice appear in supporting + * documentation, and that the name of Sun Microsystems not be used in + * advertising or publicity pertaining to distribution of the software without + * specific, written prior permission. Sun Microsystems makes no + * representations about the suitability of this software for any purpose. It + * is provided "as is" without express or implied warranty. + * + * SUN MICROSYSTEMS DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, + * INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO + * EVENT SHALL SUN MICROSYSTEMS BE LIABLE FOR ANY SPECIAL, INDIRECT OR + * CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, + * DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER + * TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR + * PERFORMANCE OF THIS SOFTWARE. + * + * Copyright © 2002 Keith Packard + * + * Permission to use, copy, modify, distribute, and sell this software and its + * documentation for any purpose is hereby granted without fee, provided that + * the above copyright notice appear in all copies and that both that + * copyright notice and this permission notice appear in supporting + * documentation, and that the name of Keith Packard not be used in + * advertising or publicity pertaining to distribution of the software without + * specific, written prior permission. Keith Packard makes no + * representations about the suitability of this software for any purpose. It + * is provided "as is" without express or implied warranty. + * + * KEITH PACKARD DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, + * INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO + * EVENT SHALL KEITH PACKARD BE LIABLE FOR ANY SPECIAL, INDIRECT OR + * CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, + * DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER + * TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR + * PERFORMANCE OF THIS SOFTWARE. + */ + +#ifdef HAVE_DIX_CONFIG_H +#include <dix-config.h> +#endif + +#include "xfixesint.h" + +/* + * Must use these instead of the constants from xfixeswire.h. They advertise + * what we implement, not what the protocol headers define. + */ +#define SERVER_XFIXES_MAJOR 4 +#define SERVER_XFIXES_MINOR 0 + +static unsigned char XFixesReqCode; +int XFixesEventBase; +int XFixesErrorBase; +static DevPrivateKey XFixesClientPrivateKey = &XFixesClientPrivateKey; + +static int +ProcXFixesQueryVersion(ClientPtr client) +{ + XFixesClientPtr pXFixesClient = GetXFixesClient (client); + xXFixesQueryVersionReply rep; + register int n; + REQUEST(xXFixesQueryVersionReq); + + REQUEST_SIZE_MATCH(xXFixesQueryVersionReq); + rep.type = X_Reply; + rep.length = 0; + rep.sequenceNumber = client->sequence; + if (stuff->majorVersion < SERVER_XFIXES_MAJOR) { + rep.majorVersion = stuff->majorVersion; + rep.minorVersion = stuff->minorVersion; + } else { + rep.majorVersion = SERVER_XFIXES_MAJOR; + if (stuff->majorVersion == SERVER_XFIXES_MAJOR && + stuff->minorVersion < SERVER_XFIXES_MINOR) + rep.minorVersion = stuff->minorVersion; + else + rep.minorVersion = SERVER_XFIXES_MINOR; + } + pXFixesClient->major_version = rep.majorVersion; + pXFixesClient->minor_version = rep.minorVersion; + if (client->swapped) { + swaps(&rep.sequenceNumber, n); + swapl(&rep.length, n); + swapl(&rep.majorVersion, n); + swapl(&rep.minorVersion, n); + } + WriteToClient(client, sizeof(xXFixesQueryVersionReply), (char *)&rep); + return(client->noClientException); +} + +/* Major version controls available requests */ +static const int version_requests[] = { + X_XFixesQueryVersion, /* before client sends QueryVersion */ + X_XFixesGetCursorImage, /* Version 1 */ + X_XFixesChangeCursorByName, /* Version 2 */ + X_XFixesExpandRegion, /* Version 3 */ + X_XFixesShowCursor, /* Version 4 */ +}; + +#define NUM_VERSION_REQUESTS (sizeof (version_requests) / sizeof (version_requests[0])) + +int (*ProcXFixesVector[XFixesNumberRequests])(ClientPtr) = { +/*************** Version 1 ******************/ + ProcXFixesQueryVersion, + ProcXFixesChangeSaveSet, + ProcXFixesSelectSelectionInput, + ProcXFixesSelectCursorInput, + ProcXFixesGetCursorImage, +/*************** Version 2 ******************/ + ProcXFixesCreateRegion, + ProcXFixesCreateRegionFromBitmap, + ProcXFixesCreateRegionFromWindow, + ProcXFixesCreateRegionFromGC, + ProcXFixesCreateRegionFromPicture, + ProcXFixesDestroyRegion, + ProcXFixesSetRegion, + ProcXFixesCopyRegion, + ProcXFixesCombineRegion, + ProcXFixesCombineRegion, + ProcXFixesCombineRegion, + ProcXFixesInvertRegion, + ProcXFixesTranslateRegion, + ProcXFixesRegionExtents, + ProcXFixesFetchRegion, + ProcXFixesSetGCClipRegion, + ProcXFixesSetWindowShapeRegion, + ProcXFixesSetPictureClipRegion, + ProcXFixesSetCursorName, + ProcXFixesGetCursorName, + ProcXFixesGetCursorImageAndName, + ProcXFixesChangeCursor, + ProcXFixesChangeCursorByName, +/*************** Version 3 ******************/ + ProcXFixesExpandRegion, +/*************** Version 4 ****************/ + ProcXFixesHideCursor, + ProcXFixesShowCursor, +}; + +static int +ProcXFixesDispatch (ClientPtr client) +{ + REQUEST(xXFixesReq); + XFixesClientPtr pXFixesClient = GetXFixesClient (client); + + if (pXFixesClient->major_version >= NUM_VERSION_REQUESTS) + return BadRequest; + if (stuff->xfixesReqType > version_requests[pXFixesClient->major_version]) + return BadRequest; + return (*ProcXFixesVector[stuff->xfixesReqType]) (client); +} + +static int +SProcXFixesQueryVersion(ClientPtr client) +{ + register int n; + REQUEST(xXFixesQueryVersionReq); + + swaps(&stuff->length, n); + swapl(&stuff->majorVersion, n); + swapl(&stuff->minorVersion, n); + return (*ProcXFixesVector[stuff->xfixesReqType]) (client); +} + +static int (*SProcXFixesVector[XFixesNumberRequests])(ClientPtr) = { +/*************** Version 1 ******************/ + SProcXFixesQueryVersion, + SProcXFixesChangeSaveSet, + SProcXFixesSelectSelectionInput, + SProcXFixesSelectCursorInput, + SProcXFixesGetCursorImage, +/*************** Version 2 ******************/ + SProcXFixesCreateRegion, + SProcXFixesCreateRegionFromBitmap, + SProcXFixesCreateRegionFromWindow, + SProcXFixesCreateRegionFromGC, + SProcXFixesCreateRegionFromPicture, + SProcXFixesDestroyRegion, + SProcXFixesSetRegion, + SProcXFixesCopyRegion, + SProcXFixesCombineRegion, + SProcXFixesCombineRegion, + SProcXFixesCombineRegion, + SProcXFixesInvertRegion, + SProcXFixesTranslateRegion, + SProcXFixesRegionExtents, + SProcXFixesFetchRegion, + SProcXFixesSetGCClipRegion, + SProcXFixesSetWindowShapeRegion, + SProcXFixesSetPictureClipRegion, + SProcXFixesSetCursorName, + SProcXFixesGetCursorName, + SProcXFixesGetCursorImageAndName, + SProcXFixesChangeCursor, + SProcXFixesChangeCursorByName, +/*************** Version 3 ******************/ + SProcXFixesExpandRegion, +/*************** Version 4 ****************/ + SProcXFixesHideCursor, + SProcXFixesShowCursor, +}; + +static int +SProcXFixesDispatch (ClientPtr client) +{ + REQUEST(xXFixesReq); + if (stuff->xfixesReqType >= XFixesNumberRequests) + return BadRequest; + return (*SProcXFixesVector[stuff->xfixesReqType]) (client); +} + +static void +XFixesClientCallback (CallbackListPtr *list, + pointer closure, + pointer data) +{ + NewClientInfoRec *clientinfo = (NewClientInfoRec *) data; + ClientPtr pClient = clientinfo->client; + XFixesClientPtr pXFixesClient = GetXFixesClient (pClient); + + pXFixesClient->major_version = 0; + pXFixesClient->minor_version = 0; +} + +/*ARGSUSED*/ +static void +XFixesResetProc (ExtensionEntry *extEntry) +{ + DeleteCallback (&ClientStateCallback, XFixesClientCallback, 0); +} + +void +XFixesExtensionInit(void) +{ + ExtensionEntry *extEntry; + + if (!dixRequestPrivate(XFixesClientPrivateKey, sizeof (XFixesClientRec))) + return; + if (!AddCallback (&ClientStateCallback, XFixesClientCallback, 0)) + return; + + if (XFixesSelectionInit() && XFixesCursorInit () && XFixesRegionInit () && + (extEntry = AddExtension(XFIXES_NAME, XFixesNumberEvents, + XFixesNumberErrors, + ProcXFixesDispatch, SProcXFixesDispatch, + XFixesResetProc, StandardMinorOpcode)) != 0) + { + XFixesReqCode = (unsigned char)extEntry->base; + XFixesEventBase = extEntry->eventBase; + XFixesErrorBase = extEntry->errorBase; + EventSwapVector[XFixesEventBase + XFixesSelectionNotify] = + (EventSwapPtr) SXFixesSelectionNotifyEvent; + EventSwapVector[XFixesEventBase + XFixesCursorNotify] = + (EventSwapPtr) SXFixesCursorNotifyEvent; + } +} |