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authormarha <marha@users.sourceforge.net>2010-05-15 16:28:11 +0000
committermarha <marha@users.sourceforge.net>2010-05-15 16:28:11 +0000
commitc38dead3ea7e177728d90cd815cf4eead0c9f534 (patch)
treeb809dba1dc9013bb1e67a5ee388f2dd217dc0f88 /xorg-server/Xext/geext.c
parent6083a94d68878c9ad5f59b28bd07e4738e9fb7b4 (diff)
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xserver git update 15/5/2010
Diffstat (limited to 'xorg-server/Xext/geext.c')
-rw-r--r--xorg-server/Xext/geext.c534
1 files changed, 267 insertions, 267 deletions
diff --git a/xorg-server/Xext/geext.c b/xorg-server/Xext/geext.c
index f0a3d8778..253c87bc9 100644
--- a/xorg-server/Xext/geext.c
+++ b/xorg-server/Xext/geext.c
@@ -1,267 +1,267 @@
-/*
- * Copyright 2007-2008 Peter Hutterer
- *
- * Permission is hereby granted, free of charge, to any person obtaining a
- * copy of this software and associated documentation files (the "Software"),
- * to deal in the Software without restriction, including without limitation
- * the rights to use, copy, modify, merge, publish, distribute, sublicense,
- * and/or sell copies of the Software, and to permit persons to whom the
- * Software is furnished to do so, subject to the following conditions:
- *
- * The above copyright notice and this permission notice (including the next
- * paragraph) shall be included in all copies or substantial portions of the
- * Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
- * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
- * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
- * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
- * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
- * DEALINGS IN THE SOFTWARE.
- *
- * Author: Peter Hutterer, University of South Australia, NICTA
- */
-
-#ifdef HAVE_DIX_CONFIG_H
-#include <dix-config.h>
-#endif
-#include "windowstr.h"
-#include <X11/extensions/ge.h>
-#include "registry.h"
-
-#include "geint.h"
-#include "geext.h"
-#include "protocol-versions.h"
-
-#define rClient(obj) (clients[CLIENT_ID((obj)->resource)])
-
-static int GEClientPrivateKeyIndex;
-DevPrivateKey GEClientPrivateKey = &GEClientPrivateKeyIndex;
-
-int RT_GECLIENT = 0;
-
-
-GEExtension GEExtensions[MAXEXTENSIONS];
-
-/* Major available requests */
-static const int version_requests[] = {
- X_GEQueryVersion, /* before client sends QueryVersion */
- X_GEQueryVersion, /* must be set to last request in version 1 */
-};
-
-/* Forward declarations */
-static void SGEGenericEvent(xEvent* from, xEvent* to);
-
-#define NUM_VERSION_REQUESTS (sizeof (version_requests) / sizeof (version_requests[0]))
-
-/************************************************************/
-/* request handlers */
-/************************************************************/
-
-static int
-ProcGEQueryVersion(ClientPtr client)
-{
- int n;
- GEClientInfoPtr pGEClient = GEGetClient(client);
- xGEQueryVersionReply rep;
- REQUEST(xGEQueryVersionReq);
-
- REQUEST_SIZE_MATCH(xGEQueryVersionReq);
-
- rep.repType = X_Reply;
- rep.RepType = X_GEQueryVersion;
- rep.length = 0;
- rep.sequenceNumber = client->sequence;
-
- /* return the supported version by the server */
- rep.majorVersion = SERVER_GE_MAJOR_VERSION;
- rep.minorVersion = SERVER_GE_MINOR_VERSION;
-
- /* Remember version the client requested */
- pGEClient->major_version = stuff->majorVersion;
- pGEClient->minor_version = stuff->minorVersion;
-
- if (client->swapped)
- {
- swaps(&rep.sequenceNumber, n);
- swapl(&rep.length, n);
- swaps(&rep.majorVersion, n);
- swaps(&rep.minorVersion, n);
- }
-
- WriteToClient(client, sizeof(xGEQueryVersionReply), (char*)&rep);
- return(client->noClientException);
-}
-
-int (*ProcGEVector[GENumberRequests])(ClientPtr) = {
- /* Version 1.0 */
- ProcGEQueryVersion
-};
-
-/************************************************************/
-/* swapped request handlers */
-/************************************************************/
-static int
-SProcGEQueryVersion(ClientPtr client)
-{
- int n;
- REQUEST(xGEQueryVersionReq);
-
- swaps(&stuff->length, n);
- REQUEST_SIZE_MATCH(xGEQueryVersionReq);
- swaps(&stuff->majorVersion, n);
- swaps(&stuff->minorVersion, n);
- return(*ProcGEVector[stuff->ReqType])(client);
-}
-
-int (*SProcGEVector[GENumberRequests])(ClientPtr) = {
- /* Version 1.0 */
- SProcGEQueryVersion
-};
-
-
-/************************************************************/
-/* callbacks */
-/************************************************************/
-
-/* dispatch requests */
-static int
-ProcGEDispatch(ClientPtr client)
-{
- GEClientInfoPtr pGEClient = GEGetClient(client);
- REQUEST(xGEReq);
-
- if (pGEClient->major_version >= NUM_VERSION_REQUESTS)
- return BadRequest;
- if (stuff->ReqType > version_requests[pGEClient->major_version])
- return BadRequest;
-
- return (ProcGEVector[stuff->ReqType])(client);
-}
-
-/* dispatch swapped requests */
-static int
-SProcGEDispatch(ClientPtr client)
-{
- REQUEST(xGEReq);
- if (stuff->ReqType >= GENumberRequests)
- return BadRequest;
- return (*SProcGEVector[stuff->ReqType])(client);
-}
-
-/**
- * Called when a new client inits a connection to the X server.
- *
- * We alloc a simple struct to store the client's major/minor version. Can be
- * used in the furture for versioning support.
- */
-static void
-GEClientCallback(CallbackListPtr *list,
- pointer closure,
- pointer data)
-{
- NewClientInfoRec *clientinfo = (NewClientInfoRec *) data;
- ClientPtr pClient = clientinfo->client;
- GEClientInfoPtr pGEClient = GEGetClient(pClient);
-
- pGEClient->major_version = 0;
- pGEClient->minor_version = 0;
-}
-
-/* Reset extension. Called on server shutdown. */
-static void
-GEResetProc(ExtensionEntry *extEntry)
-{
- DeleteCallback(&ClientStateCallback, GEClientCallback, 0);
- EventSwapVector[GenericEvent] = NotImplemented;
-}
-
-/* Calls the registered event swap function for the extension.
- *
- * Each extension can register a swap function to handle GenericEvents being
- * swapped properly. The server calls SGEGenericEvent() before the event is
- * written on the wire, this one calls the registered swap function to do the
- * work.
- */
-static void
-SGEGenericEvent(xEvent* from, xEvent* to)
-{
- xGenericEvent* gefrom = (xGenericEvent*)from;
- xGenericEvent* geto = (xGenericEvent*)to;
-
- if (gefrom->extension > MAXEXTENSIONS)
- {
- ErrorF("GE: Invalid extension offset for event.\n");
- return;
- }
-
- if (GEExtensions[gefrom->extension & 0x7F].evswap)
- GEExtensions[gefrom->extension & 0x7F].evswap(gefrom, geto);
-}
-
-/* Init extension, register at server.
- * Since other extensions may rely on XGE (XInput does already), it is a good
- * idea to init XGE first, before any other extension.
- */
-void
-GEExtensionInit(void)
-{
- ExtensionEntry *extEntry;
-
- if (!dixRequestPrivate(GEClientPrivateKey, sizeof(GEClientInfoRec)))
- FatalError("GEExtensionInit: GE private request failed.\n");
-
- if(!AddCallback(&ClientStateCallback, GEClientCallback, 0))
- {
- FatalError("GEExtensionInit: register client callback failed.\n");
- }
-
- if((extEntry = AddExtension(GE_NAME,
- 0, GENumberErrors,
- ProcGEDispatch, SProcGEDispatch,
- GEResetProc, StandardMinorOpcode)) != 0)
- {
- memset(GEExtensions, 0, sizeof(GEExtensions));
-
- EventSwapVector[GenericEvent] = (EventSwapPtr) SGEGenericEvent;
- } else {
- FatalError("GEInit: AddExtensions failed.\n");
- }
-
-}
-
-/************************************************************/
-/* interface for extensions */
-/************************************************************/
-
-/* Register an extension with GE. The given swap function will be called each
- * time an event is sent to a client with different byte order.
- * @param extension The extensions major opcode
- * @param ev_swap The event swap function.
- * @param ev_fill Called for an event before delivery. The extension now has
- * the chance to fill in necessary fields for the event.
- */
-void
-GERegisterExtension(int extension,
- void (*ev_swap)(xGenericEvent* from, xGenericEvent* to))
-{
- if ((extension & 0x7F) >= MAXEXTENSIONS)
- FatalError("GE: extension > MAXEXTENSIONS. This should not happen.\n");
-
- /* extension opcodes are > 128, might as well save some space here */
- GEExtensions[extension & 0x7f].evswap = ev_swap;
-}
-
-
-/* Sets type and extension field for a generic event. This is just an
- * auxiliary function, extensions could do it manually too.
- */
-void
-GEInitEvent(xGenericEvent* ev, int extension)
-{
- ev->type = GenericEvent;
- ev->extension = extension;
- ev->length = 0;
-}
-
+/*
+ * Copyright 2007-2008 Peter Hutterer
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice (including the next
+ * paragraph) shall be included in all copies or substantial portions of the
+ * Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
+ * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+ * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
+ * DEALINGS IN THE SOFTWARE.
+ *
+ * Author: Peter Hutterer, University of South Australia, NICTA
+ */
+
+#ifdef HAVE_DIX_CONFIG_H
+#include <dix-config.h>
+#endif
+#include "windowstr.h"
+#include <X11/extensions/ge.h>
+#include "registry.h"
+
+#include "geint.h"
+#include "geext.h"
+#include "protocol-versions.h"
+
+#define rClient(obj) (clients[CLIENT_ID((obj)->resource)])
+
+static int GEClientPrivateKeyIndex;
+DevPrivateKey GEClientPrivateKey = &GEClientPrivateKeyIndex;
+
+int RT_GECLIENT = 0;
+
+
+GEExtension GEExtensions[MAXEXTENSIONS];
+
+/* Major available requests */
+static const int version_requests[] = {
+ X_GEQueryVersion, /* before client sends QueryVersion */
+ X_GEQueryVersion, /* must be set to last request in version 1 */
+};
+
+/* Forward declarations */
+static void SGEGenericEvent(xEvent* from, xEvent* to);
+
+#define NUM_VERSION_REQUESTS (sizeof (version_requests) / sizeof (version_requests[0]))
+
+/************************************************************/
+/* request handlers */
+/************************************************************/
+
+static int
+ProcGEQueryVersion(ClientPtr client)
+{
+ int n;
+ GEClientInfoPtr pGEClient = GEGetClient(client);
+ xGEQueryVersionReply rep;
+ REQUEST(xGEQueryVersionReq);
+
+ REQUEST_SIZE_MATCH(xGEQueryVersionReq);
+
+ rep.repType = X_Reply;
+ rep.RepType = X_GEQueryVersion;
+ rep.length = 0;
+ rep.sequenceNumber = client->sequence;
+
+ /* return the supported version by the server */
+ rep.majorVersion = SERVER_GE_MAJOR_VERSION;
+ rep.minorVersion = SERVER_GE_MINOR_VERSION;
+
+ /* Remember version the client requested */
+ pGEClient->major_version = stuff->majorVersion;
+ pGEClient->minor_version = stuff->minorVersion;
+
+ if (client->swapped)
+ {
+ swaps(&rep.sequenceNumber, n);
+ swapl(&rep.length, n);
+ swaps(&rep.majorVersion, n);
+ swaps(&rep.minorVersion, n);
+ }
+
+ WriteToClient(client, sizeof(xGEQueryVersionReply), (char*)&rep);
+ return Success;
+}
+
+int (*ProcGEVector[GENumberRequests])(ClientPtr) = {
+ /* Version 1.0 */
+ ProcGEQueryVersion
+};
+
+/************************************************************/
+/* swapped request handlers */
+/************************************************************/
+static int
+SProcGEQueryVersion(ClientPtr client)
+{
+ int n;
+ REQUEST(xGEQueryVersionReq);
+
+ swaps(&stuff->length, n);
+ REQUEST_SIZE_MATCH(xGEQueryVersionReq);
+ swaps(&stuff->majorVersion, n);
+ swaps(&stuff->minorVersion, n);
+ return(*ProcGEVector[stuff->ReqType])(client);
+}
+
+int (*SProcGEVector[GENumberRequests])(ClientPtr) = {
+ /* Version 1.0 */
+ SProcGEQueryVersion
+};
+
+
+/************************************************************/
+/* callbacks */
+/************************************************************/
+
+/* dispatch requests */
+static int
+ProcGEDispatch(ClientPtr client)
+{
+ GEClientInfoPtr pGEClient = GEGetClient(client);
+ REQUEST(xGEReq);
+
+ if (pGEClient->major_version >= NUM_VERSION_REQUESTS)
+ return BadRequest;
+ if (stuff->ReqType > version_requests[pGEClient->major_version])
+ return BadRequest;
+
+ return (ProcGEVector[stuff->ReqType])(client);
+}
+
+/* dispatch swapped requests */
+static int
+SProcGEDispatch(ClientPtr client)
+{
+ REQUEST(xGEReq);
+ if (stuff->ReqType >= GENumberRequests)
+ return BadRequest;
+ return (*SProcGEVector[stuff->ReqType])(client);
+}
+
+/**
+ * Called when a new client inits a connection to the X server.
+ *
+ * We alloc a simple struct to store the client's major/minor version. Can be
+ * used in the furture for versioning support.
+ */
+static void
+GEClientCallback(CallbackListPtr *list,
+ pointer closure,
+ pointer data)
+{
+ NewClientInfoRec *clientinfo = (NewClientInfoRec *) data;
+ ClientPtr pClient = clientinfo->client;
+ GEClientInfoPtr pGEClient = GEGetClient(pClient);
+
+ pGEClient->major_version = 0;
+ pGEClient->minor_version = 0;
+}
+
+/* Reset extension. Called on server shutdown. */
+static void
+GEResetProc(ExtensionEntry *extEntry)
+{
+ DeleteCallback(&ClientStateCallback, GEClientCallback, 0);
+ EventSwapVector[GenericEvent] = NotImplemented;
+}
+
+/* Calls the registered event swap function for the extension.
+ *
+ * Each extension can register a swap function to handle GenericEvents being
+ * swapped properly. The server calls SGEGenericEvent() before the event is
+ * written on the wire, this one calls the registered swap function to do the
+ * work.
+ */
+static void
+SGEGenericEvent(xEvent* from, xEvent* to)
+{
+ xGenericEvent* gefrom = (xGenericEvent*)from;
+ xGenericEvent* geto = (xGenericEvent*)to;
+
+ if (gefrom->extension > MAXEXTENSIONS)
+ {
+ ErrorF("GE: Invalid extension offset for event.\n");
+ return;
+ }
+
+ if (GEExtensions[gefrom->extension & 0x7F].evswap)
+ GEExtensions[gefrom->extension & 0x7F].evswap(gefrom, geto);
+}
+
+/* Init extension, register at server.
+ * Since other extensions may rely on XGE (XInput does already), it is a good
+ * idea to init XGE first, before any other extension.
+ */
+void
+GEExtensionInit(void)
+{
+ ExtensionEntry *extEntry;
+
+ if (!dixRequestPrivate(GEClientPrivateKey, sizeof(GEClientInfoRec)))
+ FatalError("GEExtensionInit: GE private request failed.\n");
+
+ if(!AddCallback(&ClientStateCallback, GEClientCallback, 0))
+ {
+ FatalError("GEExtensionInit: register client callback failed.\n");
+ }
+
+ if((extEntry = AddExtension(GE_NAME,
+ 0, GENumberErrors,
+ ProcGEDispatch, SProcGEDispatch,
+ GEResetProc, StandardMinorOpcode)) != 0)
+ {
+ memset(GEExtensions, 0, sizeof(GEExtensions));
+
+ EventSwapVector[GenericEvent] = (EventSwapPtr) SGEGenericEvent;
+ } else {
+ FatalError("GEInit: AddExtensions failed.\n");
+ }
+
+}
+
+/************************************************************/
+/* interface for extensions */
+/************************************************************/
+
+/* Register an extension with GE. The given swap function will be called each
+ * time an event is sent to a client with different byte order.
+ * @param extension The extensions major opcode
+ * @param ev_swap The event swap function.
+ * @param ev_fill Called for an event before delivery. The extension now has
+ * the chance to fill in necessary fields for the event.
+ */
+void
+GERegisterExtension(int extension,
+ void (*ev_swap)(xGenericEvent* from, xGenericEvent* to))
+{
+ if ((extension & 0x7F) >= MAXEXTENSIONS)
+ FatalError("GE: extension > MAXEXTENSIONS. This should not happen.\n");
+
+ /* extension opcodes are > 128, might as well save some space here */
+ GEExtensions[extension & 0x7f].evswap = ev_swap;
+}
+
+
+/* Sets type and extension field for a generic event. This is just an
+ * auxiliary function, extensions could do it manually too.
+ */
+void
+GEInitEvent(xGenericEvent* ev, int extension)
+{
+ ev->type = GenericEvent;
+ ev->extension = extension;
+ ev->length = 0;
+}
+