257 lines
7.4 KiB
C
257 lines
7.4 KiB
C
/*
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* Copyright © 2006 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 copyright
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* notice and this permission notice appear in supporting documentation, and
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* that the name of the copyright holders not be used in advertising or
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* publicity pertaining to distribution of the software without specific,
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* written prior permission. The copyright holders make no representations
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* about the suitability of this software for any purpose. It is provided "as
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* is" without express or implied warranty.
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*
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* THE COPYRIGHT HOLDERS DISCLAIM 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 THE COPYRIGHT HOLDERS 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 PERFORMANCE
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* OF THIS SOFTWARE.
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*/
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#include "randrstr.h"
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#include "protocol-versions.h"
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Bool
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RRClientKnowsRates (ClientPtr pClient)
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{
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rrClientPriv(pClient);
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return version_compare(pRRClient->major_version, pRRClient->minor_version,
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1, 1) >= 0;
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}
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static int
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ProcRRQueryVersion (ClientPtr client)
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{
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xRRQueryVersionReply rep = {0};
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register int n;
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REQUEST(xRRQueryVersionReq);
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rrClientPriv(client);
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REQUEST_SIZE_MATCH(xRRQueryVersionReq);
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pRRClient->major_version = stuff->majorVersion;
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pRRClient->minor_version = stuff->minorVersion;
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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 (version_compare(stuff->majorVersion, stuff->minorVersion,
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SERVER_RANDR_MAJOR_VERSION, SERVER_RANDR_MINOR_VERSION) < 0)
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{
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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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{
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rep.majorVersion = SERVER_RANDR_MAJOR_VERSION;
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rep.minorVersion = SERVER_RANDR_MINOR_VERSION;
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}
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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(xRRQueryVersionReply), (char *)&rep);
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return Success;
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}
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static int
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ProcRRSelectInput (ClientPtr client)
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{
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REQUEST(xRRSelectInputReq);
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rrClientPriv(client);
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RRTimesPtr pTimes;
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WindowPtr pWin;
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RREventPtr pRREvent, *pHead;
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XID clientResource;
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int rc;
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REQUEST_SIZE_MATCH(xRRSelectInputReq);
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rc = dixLookupWindow(&pWin, stuff->window, client, DixReceiveAccess);
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if (rc != Success)
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return rc;
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rc = dixLookupResourceByType((pointer *)&pHead, pWin->drawable.id,
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RREventType, client, DixWriteAccess);
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if (rc != Success && rc != BadValue)
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return rc;
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if (stuff->enable & (RRScreenChangeNotifyMask|
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RRCrtcChangeNotifyMask|
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RROutputChangeNotifyMask|
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RROutputPropertyNotifyMask))
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{
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ScreenPtr pScreen = pWin->drawable.pScreen;
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rrScrPriv (pScreen);
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pRREvent = NULL;
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if (pHead)
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{
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/* check for existing entry. */
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for (pRREvent = *pHead; pRREvent; pRREvent = pRREvent->next)
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if (pRREvent->client == client)
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break;
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}
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if (!pRREvent)
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{
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/* build the entry */
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pRREvent = (RREventPtr) malloc(sizeof (RREventRec));
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if (!pRREvent)
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return BadAlloc;
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pRREvent->next = 0;
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pRREvent->client = client;
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pRREvent->window = pWin;
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pRREvent->mask = stuff->enable;
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/*
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* add a resource that will be deleted when
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* the client goes away
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*/
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clientResource = FakeClientID (client->index);
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pRREvent->clientResource = clientResource;
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if (!AddResource (clientResource, RRClientType, (pointer)pRREvent))
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return BadAlloc;
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/*
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* create a resource to contain a pointer to the list
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* of clients selecting input. This must be indirect as
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* the list may be arbitrarily rearranged which cannot be
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* done through the resource database.
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*/
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if (!pHead)
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{
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pHead = (RREventPtr *) malloc(sizeof (RREventPtr));
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if (!pHead ||
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!AddResource (pWin->drawable.id, RREventType, (pointer)pHead))
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{
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FreeResource (clientResource, RT_NONE);
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return BadAlloc;
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}
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*pHead = 0;
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}
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pRREvent->next = *pHead;
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*pHead = pRREvent;
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}
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/*
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* Now see if the client needs an event
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*/
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if (pScrPriv)
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{
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pTimes = &((RRTimesPtr) (pRRClient + 1))[pScreen->myNum];
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if (CompareTimeStamps (pTimes->setTime,
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pScrPriv->lastSetTime) != 0 ||
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CompareTimeStamps (pTimes->configTime,
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pScrPriv->lastConfigTime) != 0)
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{
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if (pRREvent->mask & RRScreenChangeNotifyMask)
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{
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RRDeliverScreenEvent (client, pWin, pScreen);
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}
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if (pRREvent->mask & RRCrtcChangeNotifyMask)
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{
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int i;
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for (i = 0; i < pScrPriv->numCrtcs; i++)
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{
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RRDeliverCrtcEvent (client, pWin, pScrPriv->crtcs[i]);
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}
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}
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if (pRREvent->mask & RROutputChangeNotifyMask)
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{
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int i;
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for (i = 0; i < pScrPriv->numOutputs; i++)
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{
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RRDeliverOutputEvent (client, pWin, pScrPriv->outputs[i]);
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}
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}
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/* We don't check for RROutputPropertyNotifyMask, as randrproto.txt doesn't
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* say if there ought to be notifications of changes to output properties
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* if those changes occurred before the time RRSelectInput is called.
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*/
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}
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}
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}
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else if (stuff->enable == 0)
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{
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/* delete the interest */
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if (pHead) {
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RREventPtr pNewRREvent = 0;
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for (pRREvent = *pHead; pRREvent; pRREvent = pRREvent->next) {
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if (pRREvent->client == client)
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break;
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pNewRREvent = pRREvent;
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}
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if (pRREvent) {
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FreeResource (pRREvent->clientResource, RRClientType);
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if (pNewRREvent)
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pNewRREvent->next = pRREvent->next;
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else
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*pHead = pRREvent->next;
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free(pRREvent);
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}
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}
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}
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else
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{
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client->errorValue = stuff->enable;
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return BadValue;
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}
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return Success;
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}
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int (*ProcRandrVector[RRNumberRequests])(ClientPtr) = {
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ProcRRQueryVersion, /* 0 */
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/* we skip 1 to make old clients fail pretty immediately */
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NULL, /* 1 ProcRandrOldGetScreenInfo */
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/* V1.0 apps share the same set screen config request id */
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ProcRRSetScreenConfig, /* 2 */
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NULL, /* 3 ProcRandrOldScreenChangeSelectInput */
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/* 3 used to be ScreenChangeSelectInput; deprecated */
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ProcRRSelectInput, /* 4 */
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ProcRRGetScreenInfo, /* 5 */
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/* V1.2 additions */
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ProcRRGetScreenSizeRange, /* 6 */
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ProcRRSetScreenSize, /* 7 */
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ProcRRGetScreenResources, /* 8 */
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ProcRRGetOutputInfo, /* 9 */
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ProcRRListOutputProperties, /* 10 */
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ProcRRQueryOutputProperty, /* 11 */
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ProcRRConfigureOutputProperty, /* 12 */
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ProcRRChangeOutputProperty, /* 13 */
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ProcRRDeleteOutputProperty, /* 14 */
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ProcRRGetOutputProperty, /* 15 */
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ProcRRCreateMode, /* 16 */
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ProcRRDestroyMode, /* 17 */
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ProcRRAddOutputMode, /* 18 */
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ProcRRDeleteOutputMode, /* 19 */
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ProcRRGetCrtcInfo, /* 20 */
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ProcRRSetCrtcConfig, /* 21 */
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ProcRRGetCrtcGammaSize, /* 22 */
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ProcRRGetCrtcGamma, /* 23 */
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ProcRRSetCrtcGamma, /* 24 */
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/* V1.3 additions */
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ProcRRGetScreenResourcesCurrent, /* 25 */
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ProcRRSetCrtcTransform, /* 26 */
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ProcRRGetCrtcTransform, /* 27 */
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ProcRRGetPanning, /* 28 */
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ProcRRSetPanning, /* 29 */
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ProcRRSetOutputPrimary, /* 30 */
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ProcRRGetOutputPrimary, /* 31 */
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};
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