bugzilla 859 -merging DAMAGE-XFIXES into trunk

1 files changed, 225 insertions, 0 deletions

diff --git a/xfixes/xfixes.c b/xfixes/xfixes.c
new file mode 100755
index 000000000..6aa2007ed
--- /dev/null
+++ b/xfixes/xfixes.c
@@ -0,0 +1,225 @@
+/*
+ * $Id$
+ *
+ * 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_CONFIG_H
+#include <config.h>
+#endif
+#include "xfixesint.h"
+
+unsigned char	XFixesReqCode;
+int		XFixesEventBase;
+int		XFixesErrorBase;
+int		XFixesClientPrivateIndex;
+
+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 < XFIXES_MAJOR) {
+	rep.majorVersion = stuff->majorVersion;
+	rep.minorVersion = stuff->minorVersion;
+    } else {
+	rep.majorVersion = XFIXES_MAJOR;
+	if (stuff->majorVersion == XFIXES_MAJOR && 
+	    stuff->minorVersion < XFIXES_MINOR)
+	    rep.minorVersion = stuff->minorVersion;
+	else
+	    rep.minorVersion = 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 */
+};
+
+#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,
+};
+
+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);
+}
+
+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,
+};
+
+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;
+
+    XFixesClientPrivateIndex = AllocateClientPrivateIndex ();
+    if (!AllocateClientPrivate (XFixesClientPrivateIndex, 
+				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;
+    }
+}