xserver git update 15/5/2010

1 files changed, 292 insertions, 292 deletions

diff --git a/xorg-server/xfixes/select.c b/xorg-server/xfixes/select.c
index 5ba7896cb..044294ee1 100644
--- a/xorg-server/xfixes/select.c
+++ b/xorg-server/xfixes/select.c
@@ -1,292 +1,292 @@
-/*
- * 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"
-#include "xace.h"
-
-static RESTYPE		SelectionClientType, SelectionWindowType;
-static Bool		SelectionCallbackRegistered = FALSE;
-
-/*
- * There is a global list of windows selecting for selection events
- * on every selection.  This should be plenty efficient for the
- * expected usage, if it does become a problem, it should be easily
- * replaced with a hash table of some kind keyed off the selection atom
- */
-
-typedef struct _SelectionEvent *SelectionEventPtr;
-
-typedef struct _SelectionEvent {
-    SelectionEventPtr	next;
-    Atom		selection;
-    CARD32		eventMask;
-    ClientPtr		pClient;
-    WindowPtr		pWindow;
-    XID			clientResource;
-} SelectionEventRec;
-
-static SelectionEventPtr	selectionEvents;
-
-static void
-XFixesSelectionCallback (CallbackListPtr *callbacks, pointer data, pointer args)
-{
-    SelectionEventPtr	e;
-    SelectionInfoRec	*info = (SelectionInfoRec *) args;
-    Selection		*selection = info->selection;
-    int			subtype;
-    CARD32		eventMask;
-    
-    switch (info->kind) {
-    case SelectionSetOwner:
-	subtype = XFixesSetSelectionOwnerNotify;
-	eventMask = XFixesSetSelectionOwnerNotifyMask;
-	break;
-    case SelectionWindowDestroy:
-	subtype = XFixesSelectionWindowDestroyNotify;
-	eventMask = XFixesSelectionWindowDestroyNotifyMask;
-	break;
-    case SelectionClientClose:
-	subtype = XFixesSelectionClientCloseNotify;
-	eventMask = XFixesSelectionClientCloseNotifyMask;
-	break;
-    default:
-	return;
-    }
-    for (e = selectionEvents; e; e = e->next)
-    {
-	if (e->selection == selection->selection && 
-	    (e->eventMask & eventMask) &&
-	    !e->pClient->clientGone)
-	{
-	    xXFixesSelectionNotifyEvent	ev;
-
-	    memset(&ev, 0, sizeof(xXFixesSelectionNotifyEvent));
-	    ev.type = XFixesEventBase + XFixesSelectionNotify;
-	    ev.subtype = subtype;
-	    ev.sequenceNumber = e->pClient->sequence;
-	    ev.window = e->pWindow->drawable.id;
-	    if (subtype == XFixesSetSelectionOwnerNotify)
-		ev.owner = selection->window;
-	    else
-		ev.owner = 0;
-	    ev.selection = e->selection;
-	    ev.timestamp = currentTime.milliseconds;
-	    ev.selectionTimestamp = selection->lastTimeChanged.milliseconds;
-	    WriteEventsToClient (e->pClient, 1, (xEvent *) &ev);
-	}
-    }
-}
-
-static Bool
-CheckSelectionCallback (void)
-{
-    if (selectionEvents)
-    {
-	if (!SelectionCallbackRegistered)
-	{
-	    if (!AddCallback (&SelectionCallback, XFixesSelectionCallback, NULL))
-		return FALSE;
-	    SelectionCallbackRegistered = TRUE;
-	}
-    }
-    else
-    {
-	if (SelectionCallbackRegistered)
-	{
-	    DeleteCallback (&SelectionCallback, XFixesSelectionCallback, NULL);
-	    SelectionCallbackRegistered = FALSE;
-	}
-    }
-    return TRUE;
-}
-
-#define SelectionAllEvents (XFixesSetSelectionOwnerNotifyMask |\
-			    XFixesSelectionWindowDestroyNotifyMask |\
-			    XFixesSelectionClientCloseNotifyMask)
-
-static int
-XFixesSelectSelectionInput (ClientPtr	pClient,
-			    Atom	selection,
-			    WindowPtr	pWindow,
-			    CARD32	eventMask)
-{
-    pointer val;
-    int rc;
-    SelectionEventPtr	*prev, e;
-
-    rc = XaceHook(XACE_SELECTION_ACCESS, pClient, selection, DixGetAttrAccess);
-    if (rc != Success)
-	return rc;
-
-    for (prev = &selectionEvents; (e = *prev); prev = &e->next)
-    {
-	if (e->selection == selection &&
-	    e->pClient == pClient &&
-	    e->pWindow == pWindow)
-	{
-	    break;
-	}
-    }
-    if (!eventMask)
-    {
-	if (e)
-	{
-	    FreeResource (e->clientResource, 0);
-	}
-	return Success;
-    }
-    if (!e)
-    {
-	e = (SelectionEventPtr) xalloc (sizeof (SelectionEventRec));
-	if (!e)
-	    return BadAlloc;
-
-	e->next = 0;
-	e->selection = selection;
-	e->pClient = pClient;
-	e->pWindow = pWindow;
-	e->clientResource = FakeClientID(pClient->index);
-
-	/*
-	 * Add a resource hanging from the window to
-	 * catch window destroy
-	 */
-	rc = dixLookupResourceByType (&val, pWindow->drawable.id,
-				      SelectionWindowType, serverClient,
-				      DixGetAttrAccess);
-	if (rc != Success)
-	    if (!AddResource (pWindow->drawable.id, SelectionWindowType,
-			      (pointer) pWindow))
-	    {
-		xfree (e);
-		return BadAlloc;
-	    }
-
-	if (!AddResource (e->clientResource, SelectionClientType, (pointer) e))
-	    return BadAlloc;
-
-	*prev = e;
-	if (!CheckSelectionCallback ())
-	{
-	    FreeResource (e->clientResource, 0);
-	    return BadAlloc;
-	}
-    }
-    e->eventMask = eventMask;
-    return Success;
-}
-
-int
-ProcXFixesSelectSelectionInput (ClientPtr client)
-{
-    REQUEST (xXFixesSelectSelectionInputReq);
-    WindowPtr	pWin;
-    int		rc;
-
-    REQUEST_SIZE_MATCH (xXFixesSelectSelectionInputReq);
-    rc = dixLookupWindow(&pWin, stuff->window, client, DixGetAttrAccess);
-    if (rc != Success)
-        return rc;
-    if (stuff->eventMask & ~SelectionAllEvents)
-    {
-	client->errorValue = stuff->eventMask;
-	return( BadValue );
-    }
-    return XFixesSelectSelectionInput (client, stuff->selection,
-				       pWin, stuff->eventMask);
-}
-
-int
-SProcXFixesSelectSelectionInput (ClientPtr client)
-{
-    register int n;
-    REQUEST(xXFixesSelectSelectionInputReq);
-
-    swaps(&stuff->length, n);
-    swapl(&stuff->window, n);
-    swapl(&stuff->selection, n);
-    swapl(&stuff->eventMask, n);
-    return (*ProcXFixesVector[stuff->xfixesReqType])(client);
-}
-    
-void
-SXFixesSelectionNotifyEvent (xXFixesSelectionNotifyEvent *from,
-			     xXFixesSelectionNotifyEvent *to)
-{
-    to->type = from->type;
-    cpswaps (from->sequenceNumber, to->sequenceNumber);
-    cpswapl (from->window, to->window);
-    cpswapl (from->owner, to->owner);
-    cpswapl (from->selection, to->selection);
-    cpswapl (from->timestamp, to->timestamp);
-    cpswapl (from->selectionTimestamp, to->selectionTimestamp);
-}
-
-static int
-SelectionFreeClient (pointer data, XID id)
-{
-    SelectionEventPtr	old = (SelectionEventPtr) data;
-    SelectionEventPtr	*prev, e;
-    
-    for (prev = &selectionEvents; (e = *prev); prev = &e->next)
-    {
-	if (e == old)
-	{
-	    *prev = e->next;
-	    xfree (e);
-	    CheckSelectionCallback ();
-	    break;
-	}
-    }
-    return 1;
-}
-
-static int
-SelectionFreeWindow (pointer data, XID id)
-{
-    WindowPtr		pWindow = (WindowPtr) data;
-    SelectionEventPtr	e, next;
-
-    for (e = selectionEvents; e; e = next)
-    {
-	next = e->next;
-	if (e->pWindow == pWindow)
-	{
-	    FreeResource (e->clientResource, 0);
-	}
-    }
-    return 1;
-}
-
-Bool
-XFixesSelectionInit (void)
-{
-    SelectionClientType = CreateNewResourceType(SelectionFreeClient,
-						"XFixesSelectionClient");
-    SelectionWindowType = CreateNewResourceType(SelectionFreeWindow,
-						"XFixesSelectionWindow");
-    return SelectionClientType && SelectionWindowType;
-}
+/*

+ * 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"

+#include "xace.h"

+

+static RESTYPE		SelectionClientType, SelectionWindowType;

+static Bool		SelectionCallbackRegistered = FALSE;

+

+/*

+ * There is a global list of windows selecting for selection events

+ * on every selection.  This should be plenty efficient for the

+ * expected usage, if it does become a problem, it should be easily

+ * replaced with a hash table of some kind keyed off the selection atom

+ */

+

+typedef struct _SelectionEvent *SelectionEventPtr;

+

+typedef struct _SelectionEvent {

+    SelectionEventPtr	next;

+    Atom		selection;

+    CARD32		eventMask;

+    ClientPtr		pClient;

+    WindowPtr		pWindow;

+    XID			clientResource;

+} SelectionEventRec;

+

+static SelectionEventPtr	selectionEvents;

+

+static void

+XFixesSelectionCallback (CallbackListPtr *callbacks, pointer data, pointer args)

+{

+    SelectionEventPtr	e;

+    SelectionInfoRec	*info = (SelectionInfoRec *) args;

+    Selection		*selection = info->selection;

+    int			subtype;

+    CARD32		eventMask;

+    

+    switch (info->kind) {

+    case SelectionSetOwner:

+	subtype = XFixesSetSelectionOwnerNotify;

+	eventMask = XFixesSetSelectionOwnerNotifyMask;

+	break;

+    case SelectionWindowDestroy:

+	subtype = XFixesSelectionWindowDestroyNotify;

+	eventMask = XFixesSelectionWindowDestroyNotifyMask;

+	break;

+    case SelectionClientClose:

+	subtype = XFixesSelectionClientCloseNotify;

+	eventMask = XFixesSelectionClientCloseNotifyMask;

+	break;

+    default:

+	return;

+    }

+    for (e = selectionEvents; e; e = e->next)

+    {

+	if (e->selection == selection->selection && 

+	    (e->eventMask & eventMask) &&

+	    !e->pClient->clientGone)

+	{

+	    xXFixesSelectionNotifyEvent	ev;

+

+	    memset(&ev, 0, sizeof(xXFixesSelectionNotifyEvent));

+	    ev.type = XFixesEventBase + XFixesSelectionNotify;

+	    ev.subtype = subtype;

+	    ev.sequenceNumber = e->pClient->sequence;

+	    ev.window = e->pWindow->drawable.id;

+	    if (subtype == XFixesSetSelectionOwnerNotify)

+		ev.owner = selection->window;

+	    else

+		ev.owner = 0;

+	    ev.selection = e->selection;

+	    ev.timestamp = currentTime.milliseconds;

+	    ev.selectionTimestamp = selection->lastTimeChanged.milliseconds;

+	    WriteEventsToClient (e->pClient, 1, (xEvent *) &ev);

+	}

+    }

+}

+

+static Bool

+CheckSelectionCallback (void)

+{

+    if (selectionEvents)

+    {

+	if (!SelectionCallbackRegistered)

+	{

+	    if (!AddCallback (&SelectionCallback, XFixesSelectionCallback, NULL))

+		return FALSE;

+	    SelectionCallbackRegistered = TRUE;

+	}

+    }

+    else

+    {

+	if (SelectionCallbackRegistered)

+	{

+	    DeleteCallback (&SelectionCallback, XFixesSelectionCallback, NULL);

+	    SelectionCallbackRegistered = FALSE;

+	}

+    }

+    return TRUE;

+}

+

+#define SelectionAllEvents (XFixesSetSelectionOwnerNotifyMask |\

+			    XFixesSelectionWindowDestroyNotifyMask |\

+			    XFixesSelectionClientCloseNotifyMask)

+

+static int

+XFixesSelectSelectionInput (ClientPtr	pClient,

+			    Atom	selection,

+			    WindowPtr	pWindow,

+			    CARD32	eventMask)

+{

+    pointer val;

+    int rc;

+    SelectionEventPtr	*prev, e;

+

+    rc = XaceHook(XACE_SELECTION_ACCESS, pClient, selection, DixGetAttrAccess);

+    if (rc != Success)

+	return rc;

+

+    for (prev = &selectionEvents; (e = *prev); prev = &e->next)

+    {

+	if (e->selection == selection &&

+	    e->pClient == pClient &&

+	    e->pWindow == pWindow)

+	{

+	    break;

+	}

+    }

+    if (!eventMask)

+    {

+	if (e)

+	{

+	    FreeResource (e->clientResource, 0);

+	}

+	return Success;

+    }

+    if (!e)

+    {

+	e = (SelectionEventPtr) malloc(sizeof (SelectionEventRec));

+	if (!e)

+	    return BadAlloc;

+

+	e->next = 0;

+	e->selection = selection;

+	e->pClient = pClient;

+	e->pWindow = pWindow;

+	e->clientResource = FakeClientID(pClient->index);

+

+	/*

+	 * Add a resource hanging from the window to

+	 * catch window destroy

+	 */

+	rc = dixLookupResourceByType (&val, pWindow->drawable.id,

+				      SelectionWindowType, serverClient,

+				      DixGetAttrAccess);

+	if (rc != Success)

+	    if (!AddResource (pWindow->drawable.id, SelectionWindowType,

+			      (pointer) pWindow))

+	    {

+		free(e);

+		return BadAlloc;

+	    }

+

+	if (!AddResource (e->clientResource, SelectionClientType, (pointer) e))

+	    return BadAlloc;

+

+	*prev = e;

+	if (!CheckSelectionCallback ())

+	{

+	    FreeResource (e->clientResource, 0);

+	    return BadAlloc;

+	}

+    }

+    e->eventMask = eventMask;

+    return Success;

+}

+

+int

+ProcXFixesSelectSelectionInput (ClientPtr client)

+{

+    REQUEST (xXFixesSelectSelectionInputReq);

+    WindowPtr	pWin;

+    int		rc;

+

+    REQUEST_SIZE_MATCH (xXFixesSelectSelectionInputReq);

+    rc = dixLookupWindow(&pWin, stuff->window, client, DixGetAttrAccess);

+    if (rc != Success)

+        return rc;

+    if (stuff->eventMask & ~SelectionAllEvents)

+    {

+	client->errorValue = stuff->eventMask;

+	return( BadValue );

+    }

+    return XFixesSelectSelectionInput (client, stuff->selection,

+				       pWin, stuff->eventMask);

+}

+

+int

+SProcXFixesSelectSelectionInput (ClientPtr client)

+{

+    register int n;

+    REQUEST(xXFixesSelectSelectionInputReq);

+

+    swaps(&stuff->length, n);

+    swapl(&stuff->window, n);

+    swapl(&stuff->selection, n);

+    swapl(&stuff->eventMask, n);

+    return (*ProcXFixesVector[stuff->xfixesReqType])(client);

+}

+    

+void

+SXFixesSelectionNotifyEvent (xXFixesSelectionNotifyEvent *from,

+			     xXFixesSelectionNotifyEvent *to)

+{

+    to->type = from->type;

+    cpswaps (from->sequenceNumber, to->sequenceNumber);

+    cpswapl (from->window, to->window);

+    cpswapl (from->owner, to->owner);

+    cpswapl (from->selection, to->selection);

+    cpswapl (from->timestamp, to->timestamp);

+    cpswapl (from->selectionTimestamp, to->selectionTimestamp);

+}

+

+static int

+SelectionFreeClient (pointer data, XID id)

+{

+    SelectionEventPtr	old = (SelectionEventPtr) data;

+    SelectionEventPtr	*prev, e;

+    

+    for (prev = &selectionEvents; (e = *prev); prev = &e->next)

+    {

+	if (e == old)

+	{

+	    *prev = e->next;

+	    free(e);

+	    CheckSelectionCallback ();

+	    break;

+	}

+    }

+    return 1;

+}

+

+static int

+SelectionFreeWindow (pointer data, XID id)

+{

+    WindowPtr		pWindow = (WindowPtr) data;

+    SelectionEventPtr	e, next;

+

+    for (e = selectionEvents; e; e = next)

+    {

+	next = e->next;

+	if (e->pWindow == pWindow)

+	{

+	    FreeResource (e->clientResource, 0);

+	}

+    }

+    return 1;

+}

+

+Bool

+XFixesSelectionInit (void)

+{

+    SelectionClientType = CreateNewResourceType(SelectionFreeClient,

+						"XFixesSelectionClient");

+    SelectionWindowType = CreateNewResourceType(SelectionFreeWindow,

+						"XFixesSelectionWindow");

+    return SelectionClientType && SelectionWindowType;

+}