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/*
* Copyright © 2006 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 the copyright holders not be used in advertising or
* publicity pertaining to distribution of the software without specific,
* written prior permission. The copyright holders make no representations
* about the suitability of this software for any purpose. It is provided "as
* is" without express or implied warranty.
*
* THE COPYRIGHT HOLDERS DISCLAIM ALL WARRANTIES WITH REGARD TO THIS SOFTWARE,
* INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO
* EVENT SHALL THE COPYRIGHT HOLDERS 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.
*/
#include "randrstr.h"
Bool
RRClientKnowsRates(ClientPtr pClient)
{
rrClientPriv(pClient);
return (pRRClient->major_version > 1 ||
(pRRClient->major_version == 1 && pRRClient->minor_version >= 1));
}
static int
ProcRRQueryVersion(ClientPtr client)
{
xRRQueryVersionReply rep;
REQUEST(xRRQueryVersionReq);
rrClientPriv(client);
REQUEST_SIZE_MATCH(xRRQueryVersionReq);
pRRClient->major_version = stuff->majorVersion;
pRRClient->minor_version = stuff->minorVersion;
rep.type = X_Reply;
rep.length = 0;
rep.sequenceNumber = client->sequence;
/*
* Report the current version; the current
* spec says they're all compatible after 1.0
*/
rep.majorVersion = 1;
rep.minorVersion = 1;
if (client->swapped) {
swaps(&rep.sequenceNumber);
swapl(&rep.length);
swapl(&rep.majorVersion);
swapl(&rep.minorVersion);
}
WriteToClient(client, sizeof(xRRQueryVersionReply), (char *) &rep);
return (client->noClientException);
}
static int
ProcRRSelectInput(ClientPtr client)
{
REQUEST(xRRSelectInputReq);
rrClientPriv(client);
RRTimesPtr pTimes;
WindowPtr pWin;
RREventPtr pRREvent, *pHead;
XID clientResource;
REQUEST_SIZE_MATCH(xRRSelectInputReq);
pWin = SecurityLookupWindow(stuff->window, client, SecurityWriteAccess);
if (!pWin)
return BadWindow;
pHead = (RREventPtr *) SecurityLookupIDByType(client,
pWin->drawable.id,
RREventType,
SecurityWriteAccess);
if (stuff->enable & (RRScreenChangeNotifyMask |
RRCrtcChangeNotifyMask | RROutputChangeNotifyMask)) {
ScreenPtr pScreen = pWin->drawable.pScreen;
rrScrPriv(pScreen);
pRREvent = NULL;
if (pHead) {
/* check for existing entry. */
for (pRREvent = *pHead; pRREvent; pRREvent = pRREvent->next)
if (pRREvent->client == client)
break;
}
if (!pRREvent) {
/* build the entry */
pRREvent = malloc(sizeof(RREventRec));
if (!pRREvent)
return BadAlloc;
pRREvent->next = 0;
pRREvent->client = client;
pRREvent->window = pWin;
pRREvent->mask = stuff->enable;
/*
* add a resource that will be deleted when
* the client goes away
*/
clientResource = FakeClientID(client->index);
pRREvent->clientResource = clientResource;
if (!AddResource(clientResource, RRClientType, (pointer) pRREvent))
return BadAlloc;
/*
* create a resource to contain a pointer to the list
* of clients selecting input. This must be indirect as
* the list may be arbitrarily rearranged which cannot be
* done through the resource database.
*/
if (!pHead) {
pHead = malloc(sizeof(RREventPtr));
if (!pHead ||
!AddResource(pWin->drawable.id, RREventType,
(pointer) pHead)) {
FreeResource(clientResource, RT_NONE);
return BadAlloc;
}
*pHead = 0;
}
pRREvent->next = *pHead;
*pHead = pRREvent;
}
/*
* Now see if the client needs an event
*/
if (pScrPriv && (pRREvent->mask & RRScreenChangeNotifyMask)) {
pTimes = &((RRTimesPtr) (pRRClient + 1))[pScreen->myNum];
if (CompareTimeStamps(pTimes->setTime,
pScrPriv->lastSetTime) != 0 ||
CompareTimeStamps(pTimes->configTime,
pScrPriv->lastConfigTime) != 0) {
RRDeliverScreenEvent(client, pWin, pScreen);
}
}
}
else if (stuff->enable == 0) {
/* delete the interest */
if (pHead) {
RREventPtr pNewRREvent = 0;
for (pRREvent = *pHead; pRREvent; pRREvent = pRREvent->next) {
if (pRREvent->client == client)
break;
pNewRREvent = pRREvent;
}
if (pRREvent) {
FreeResource(pRREvent->clientResource, RRClientType);
if (pNewRREvent)
pNewRREvent->next = pRREvent->next;
else
*pHead = pRREvent->next;
free(pRREvent);
}
}
}
else {
client->errorValue = stuff->enable;
return BadValue;
}
return Success;
}
int (*ProcRandrVector[RRNumberRequests]) (ClientPtr) = {
ProcRRQueryVersion, /* 0 */
/* we skip 1 to make old clients fail pretty immediately */
NULL, /* 1 ProcRandrOldGetScreenInfo */
/* V1.0 apps share the same set screen config request id */
ProcRRSetScreenConfig, /* 2 */
NULL, /* 3 ProcRandrOldScreenChangeSelectInput */
/* 3 used to be ScreenChangeSelectInput; deprecated */
ProcRRSelectInput, /* 4 */
ProcRRGetScreenInfo, /* 5 */
/* V1.2 additions */
ProcRRGetScreenSizeRange, /* 6 */
ProcRRSetScreenSize, /* 7 */
ProcRRGetScreenResources, /* 8 */
ProcRRGetOutputInfo, /* 9 */
ProcRRListOutputProperties, /* 10 */
ProcRRQueryOutputProperty, /* 11 */
ProcRRConfigureOutputProperty, /* 12 */
ProcRRChangeOutputProperty, /* 13 */
ProcRRDeleteOutputProperty, /* 14 */
ProcRRGetOutputProperty, /* 15 */
ProcRRCreateMode, /* 16 */
ProcRRDestroyMode, /* 17 */
ProcRRAddOutputMode, /* 18 */
ProcRRDeleteOutputMode, /* 19 */
ProcRRGetCrtcInfo, /* 20 */
ProcRRSetCrtcConfig, /* 21 */
ProcRRGetCrtcGammaSize, /* 22 */
ProcRRGetCrtcGamma, /* 23 */
ProcRRSetCrtcGamma, /* 24 */
};