410 lines
		
	
	
		
			11 KiB
		
	
	
	
		
			C
		
	
	
	
			
		
		
	
	
			410 lines
		
	
	
		
			11 KiB
		
	
	
	
		
			C
		
	
	
	
| /*
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|  * $Id$
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|  *
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|  * Copyright © 2003 Keith Packard
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|  *
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|  * Permission to use, copy, modify, distribute, and sell this software and its
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|  * documentation for any purpose is hereby granted without fee, provided that
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|  * the above copyright notice appear in all copies and that both that
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|  * copyright notice and this permission notice appear in supporting
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|  * documentation, and that the name of Keith Packard not be used in
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|  * advertising or publicity pertaining to distribution of the software without
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|  * specific, written prior permission.  Keith Packard makes no
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|  * representations about the suitability of this software for any purpose.  It
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|  * is provided "as is" without express or implied warranty.
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|  *
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|  * KEITH PACKARD DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE,
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|  * INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO
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|  * EVENT SHALL KEITH PACKARD BE LIABLE FOR ANY SPECIAL, INDIRECT OR
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|  * CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE,
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|  * DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER
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|  * TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
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|  * PERFORMANCE OF THIS SOFTWARE.
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|  */
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| 
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| #ifdef HAVE_DIX_CONFIG_H
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| #include <dix-config.h>
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| #endif
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| 
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| #include "compint.h"
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| 
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| static CARD8	CompositeReqCode;
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| int		CompositeClientPrivateIndex;
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| RESTYPE		CompositeClientWindowType;
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| RESTYPE		CompositeClientSubwindowsType;
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| 
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| typedef struct _CompositeClient {
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|     int	    major_version;
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|     int	    minor_version;
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| } CompositeClientRec, *CompositeClientPtr;
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| 
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| #define GetCompositeClient(pClient)    ((CompositeClientPtr) (pClient)->devPrivates[CompositeClientPrivateIndex].ptr)
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| 
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| static void
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| CompositeClientCallback (CallbackListPtr	*list,
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| 		      pointer		closure,
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| 		      pointer		data)
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| {
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|     NewClientInfoRec	*clientinfo = (NewClientInfoRec *) data;
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|     ClientPtr		pClient = clientinfo->client;
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|     CompositeClientPtr	pCompositeClient = GetCompositeClient (pClient);
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| 
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|     pCompositeClient->major_version = 0;
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|     pCompositeClient->minor_version = 0;
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| }
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| 
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| static void
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| CompositeResetProc (ExtensionEntry *extEntry)
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| {
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| }
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|     
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| static int
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| FreeCompositeClientWindow (pointer value, XID ccwid)
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| {
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|     WindowPtr	pWin = value;
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| 
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|     compFreeClientWindow (pWin, ccwid);
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|     return Success;
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| }
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| 
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| static int
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| FreeCompositeClientSubwindows (pointer value, XID ccwid)
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| {
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|     WindowPtr	pWin = value;
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| 
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|     compFreeClientSubwindows (pWin, ccwid);
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|     return Success;
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| }
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| 
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| static int
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| ProcCompositeQueryVersion (ClientPtr client)
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| {
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|     CompositeClientPtr pCompositeClient = GetCompositeClient (client);
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|     xCompositeQueryVersionReply rep;
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|     register int n;
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|     REQUEST(xCompositeQueryVersionReq);
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| 
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|     REQUEST_SIZE_MATCH(xCompositeQueryVersionReq);
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|     rep.type = X_Reply;
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|     rep.length = 0;
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|     rep.sequenceNumber = client->sequence;
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|     if (stuff->majorVersion < COMPOSITE_MAJOR) {
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| 	rep.majorVersion = stuff->majorVersion;
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| 	rep.minorVersion = stuff->minorVersion;
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|     } else {
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| 	rep.majorVersion = COMPOSITE_MAJOR;
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| 	if (stuff->majorVersion == COMPOSITE_MAJOR && 
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| 	    stuff->minorVersion < COMPOSITE_MINOR)
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| 	    rep.minorVersion = stuff->minorVersion;
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| 	else
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| 	    rep.minorVersion = COMPOSITE_MINOR;
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|     }
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|     pCompositeClient->major_version = rep.majorVersion;
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|     pCompositeClient->minor_version = rep.minorVersion;
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|     if (client->swapped) {
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|     	swaps(&rep.sequenceNumber, n);
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|     	swapl(&rep.length, n);
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| 	swapl(&rep.majorVersion, n);
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| 	swapl(&rep.minorVersion, n);
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|     }
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|     WriteToClient(client, sizeof(xCompositeQueryVersionReply), (char *)&rep);
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|     return(client->noClientException);
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| }
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| 
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| static int
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| ProcCompositeRedirectWindow (ClientPtr client)
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| {
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|     WindowPtr	pWin;
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|     REQUEST(xCompositeRedirectWindowReq);
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| 
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|     REQUEST_SIZE_MATCH(xCompositeRedirectWindowReq);
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|     pWin = (WindowPtr) LookupIDByType (stuff->window, RT_WINDOW);
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|     if (!pWin)
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|     {
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| 	client->errorValue = stuff->window;
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| 	return BadWindow;
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|     }
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|     return compRedirectWindow (client, pWin, stuff->update);
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| }
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| 
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| static int
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| ProcCompositeRedirectSubwindows (ClientPtr client)
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| {
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|     WindowPtr	pWin;
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|     REQUEST(xCompositeRedirectSubwindowsReq);
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| 
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|     REQUEST_SIZE_MATCH(xCompositeRedirectSubwindowsReq);
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|     pWin = (WindowPtr) LookupIDByType (stuff->window, RT_WINDOW);
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|     if (!pWin)
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|     {
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| 	client->errorValue = stuff->window;
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| 	return BadWindow;
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|     }
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|     return compRedirectSubwindows (client, pWin, stuff->update);
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| }
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| 
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| static int
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| ProcCompositeUnredirectWindow (ClientPtr client)
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| {
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|     WindowPtr	pWin;
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|     REQUEST(xCompositeUnredirectWindowReq);
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| 
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|     REQUEST_SIZE_MATCH(xCompositeUnredirectWindowReq);
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|     pWin = (WindowPtr) LookupIDByType (stuff->window, RT_WINDOW);
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|     if (!pWin)
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|     {
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| 	client->errorValue = stuff->window;
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| 	return BadWindow;
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|     }
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|     return compUnredirectWindow (client, pWin, stuff->update);
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| }
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| 
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| static int
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| ProcCompositeUnredirectSubwindows (ClientPtr client)
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| {
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|     WindowPtr	pWin;
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|     REQUEST(xCompositeUnredirectSubwindowsReq);
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| 
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|     REQUEST_SIZE_MATCH(xCompositeUnredirectSubwindowsReq);
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|     pWin = (WindowPtr) LookupIDByType (stuff->window, RT_WINDOW);
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|     if (!pWin)
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|     {
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| 	client->errorValue = stuff->window;
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| 	return BadWindow;
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|     }
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|     return compUnredirectSubwindows (client, pWin, stuff->update);
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| }
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| 
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| static int
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| ProcCompositeCreateRegionFromBorderClip (ClientPtr client)
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| {
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|     WindowPtr	    pWin;
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|     CompWindowPtr   cw;
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|     RegionPtr	    pBorderClip, pRegion;
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|     REQUEST(xCompositeCreateRegionFromBorderClipReq);
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| 
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|     REQUEST_SIZE_MATCH(xCompositeCreateRegionFromBorderClipReq);
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|     pWin = (WindowPtr) LookupIDByType (stuff->window, RT_WINDOW);
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|     if (!pWin)
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|     {
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| 	client->errorValue = stuff->window;
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| 	return BadWindow;
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|     }
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|     
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|     LEGAL_NEW_RESOURCE (stuff->region, client);
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|     
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|     cw = GetCompWindow (pWin);
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|     if (cw)
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| 	pBorderClip = &cw->borderClip;
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|     else
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| 	pBorderClip = &pWin->borderClip;
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|     pRegion = XFixesRegionCopy (pBorderClip);
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|     if (!pRegion)
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| 	return BadAlloc;
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|     REGION_TRANSLATE (pScreen, pRegion, -pWin->drawable.x, -pWin->drawable.y);
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|     
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|     if (!AddResource (stuff->region, RegionResType, (pointer) pRegion))
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| 	return BadAlloc;
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| 
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|     return(client->noClientException);
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| }
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| 
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| static int
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| ProcCompositeNameWindowPixmap (ClientPtr client)
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| {
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|     WindowPtr	    pWin;
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|     CompWindowPtr   cw;
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|     PixmapPtr	    pPixmap;
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|     REQUEST(xCompositeNameWindowPixmapReq);
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| 
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|     REQUEST_SIZE_MATCH(xCompositeNameWindowPixmapReq);
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|     pWin = (WindowPtr) LookupIDByType (stuff->window, RT_WINDOW);
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|     if (!pWin)
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|     {
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| 	client->errorValue = stuff->window;
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| 	return BadWindow;
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|     }
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|     
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|     LEGAL_NEW_RESOURCE (stuff->pixmap, client);
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|     
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|     cw = GetCompWindow (pWin);
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|     if (!cw)
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| 	return BadMatch;
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| 
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|     pPixmap = (*pWin->drawable.pScreen->GetWindowPixmap) (pWin);
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|     if (!pPixmap)
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| 	return BadMatch;
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| 
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|     ++pPixmap->refcnt;
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|     
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|     if (!AddResource (stuff->pixmap, RT_PIXMAP, (pointer) pPixmap))
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| 	return BadAlloc;
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| 
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|     return(client->noClientException);
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| }
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| 
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| int (*ProcCompositeVector[CompositeNumberRequests])(ClientPtr) = {
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|     ProcCompositeQueryVersion,
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|     ProcCompositeRedirectWindow,
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|     ProcCompositeRedirectSubwindows,
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|     ProcCompositeUnredirectWindow,
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|     ProcCompositeUnredirectSubwindows,
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|     ProcCompositeCreateRegionFromBorderClip,
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|     ProcCompositeNameWindowPixmap,
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| };
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| 
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| static int
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| ProcCompositeDispatch (ClientPtr client)
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| {
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|     REQUEST(xReq);
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|     
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|     if (stuff->data < CompositeNumberRequests)
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| 	return (*ProcCompositeVector[stuff->data]) (client);
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|     else
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| 	return BadRequest;
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| }
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| 
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| static int
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| SProcCompositeQueryVersion (ClientPtr client)
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| {
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|     int n;
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|     REQUEST(xCompositeQueryVersionReq);
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| 
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|     swaps(&stuff->length, n);
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|     REQUEST_SIZE_MATCH(xCompositeQueryVersionReq);
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|     swapl(&stuff->majorVersion, n);
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|     swapl(&stuff->minorVersion, n);
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|     return (*ProcCompositeVector[stuff->compositeReqType]) (client);
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| }
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| 
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| static int
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| SProcCompositeRedirectWindow (ClientPtr client)
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| {
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|     int n;
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|     REQUEST(xCompositeRedirectWindowReq);
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| 
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|     swaps(&stuff->length, n);
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|     REQUEST_SIZE_MATCH(xCompositeRedirectWindowReq);
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|     swapl (&stuff->window, n);
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|     return (*ProcCompositeVector[stuff->compositeReqType]) (client);
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| }
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| 
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| static int
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| SProcCompositeRedirectSubwindows (ClientPtr client)
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| {
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|     int n;
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|     REQUEST(xCompositeRedirectSubwindowsReq);
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| 
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|     swaps(&stuff->length, n);
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|     REQUEST_SIZE_MATCH(xCompositeRedirectSubwindowsReq);
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|     swapl (&stuff->window, n);
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|     return (*ProcCompositeVector[stuff->compositeReqType]) (client);
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| }
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| 
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| static int
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| SProcCompositeUnredirectWindow (ClientPtr client)
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| {
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|     int n;
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|     REQUEST(xCompositeUnredirectWindowReq);
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| 
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|     swaps(&stuff->length, n);
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|     REQUEST_SIZE_MATCH(xCompositeUnredirectWindowReq);
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|     swapl (&stuff->window, n);
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|     return (*ProcCompositeVector[stuff->compositeReqType]) (client);
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| }
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| 
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| static int
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| SProcCompositeUnredirectSubwindows (ClientPtr client)
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| {
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|     int n;
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|     REQUEST(xCompositeUnredirectSubwindowsReq);
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| 
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|     swaps(&stuff->length, n);
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|     REQUEST_SIZE_MATCH(xCompositeUnredirectSubwindowsReq);
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|     swapl (&stuff->window, n);
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|     return (*ProcCompositeVector[stuff->compositeReqType]) (client);
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| }
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| 
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| static int
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| SProcCompositeCreateRegionFromBorderClip (ClientPtr client)
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| {
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|     int n;
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|     REQUEST(xCompositeCreateRegionFromBorderClipReq);
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| 
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|     swaps(&stuff->length, n);
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|     REQUEST_SIZE_MATCH(xCompositeCreateRegionFromBorderClipReq);
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|     swapl (&stuff->region, n);
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|     swapl (&stuff->window, n);
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|     return (*ProcCompositeVector[stuff->compositeReqType]) (client);
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| }
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| 
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| static int
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| SProcCompositeNameWindowPixmap (ClientPtr client)
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| {
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|     int n;
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|     REQUEST(xCompositeNameWindowPixmapReq);
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| 
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|     swaps(&stuff->length, n);
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|     REQUEST_SIZE_MATCH(xCompositeNameWindowPixmapReq);
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|     swapl (&stuff->window, n);
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|     swapl (&stuff->pixmap, n);
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|     return (*ProcCompositeVector[stuff->compositeReqType]) (client);
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| }
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| 
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| int (*SProcCompositeVector[CompositeNumberRequests])(ClientPtr) = {
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|     SProcCompositeQueryVersion,
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|     SProcCompositeRedirectWindow,
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|     SProcCompositeRedirectSubwindows,
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|     SProcCompositeUnredirectWindow,
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|     SProcCompositeUnredirectSubwindows,
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|     SProcCompositeCreateRegionFromBorderClip,
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|     SProcCompositeNameWindowPixmap,
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| };
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| 
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| static int
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| SProcCompositeDispatch (ClientPtr client)
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| {
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|     REQUEST(xReq);
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|     
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|     if (stuff->data < CompositeNumberRequests)
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| 	return (*SProcCompositeVector[stuff->data]) (client);
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|     else
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| 	return BadRequest;
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| }
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| 
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| void
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| CompositeExtensionInit (void)
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| {
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|     ExtensionEntry  *extEntry;
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|     int		    s;
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| 
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|     CompositeClientWindowType = CreateNewResourceType (FreeCompositeClientWindow);
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|     if (!CompositeClientWindowType)
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| 	return;
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| 
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|     CompositeClientSubwindowsType = CreateNewResourceType (FreeCompositeClientSubwindows);
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|     if (!CompositeClientSubwindowsType)
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| 	return;
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| 
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|     CompositeClientPrivateIndex = AllocateClientPrivateIndex ();
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|     if (!AllocateClientPrivate (CompositeClientPrivateIndex, 
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| 				sizeof (CompositeClientRec)))
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| 	return;
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|     if (!AddCallback (&ClientStateCallback, CompositeClientCallback, 0))
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| 	return;
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| 
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|     extEntry = AddExtension (COMPOSITE_NAME, 0, 0,
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| 			     ProcCompositeDispatch, SProcCompositeDispatch,
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| 			     CompositeResetProc, StandardMinorOpcode);
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|     if (!extEntry)
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| 	return;
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|     CompositeReqCode = (CARD8) extEntry->base;
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| 
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|     
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|     for (s = 0; s < screenInfo.numScreens; s++)
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| 	if (!compScreenInit (screenInfo.screens[s]))
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| 	    return;
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|     miRegisterRedirectBorderClipProc (compSetRedirectBorderClip,
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| 				      compGetRedirectBorderClip);
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| }
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