diff options
Diffstat (limited to 'nx-X11/programs/Xserver/randr/rrdispatch.c')
| -rw-r--r-- | nx-X11/programs/Xserver/randr/rrdispatch.c | 219 |
1 files changed, 219 insertions, 0 deletions
diff --git a/nx-X11/programs/Xserver/randr/rrdispatch.c b/nx-X11/programs/Xserver/randr/rrdispatch.c new file mode 100644 index 000000000..3d52b3879 --- /dev/null +++ b/nx-X11/programs/Xserver/randr/rrdispatch.c @@ -0,0 +1,219 @@ +/* + * 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" + +#define SERVER_RANDR_MAJOR 1 +#define SERVER_RANDR_MINOR 2 + +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; + register int n; + 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 = SERVER_RANDR_MAJOR; + rep.minorVersion = SERVER_RANDR_MINOR; + if (client->swapped) { + swaps(&rep.sequenceNumber, n); + swapl(&rep.length, n); + swapl(&rep.majorVersion, n); + swapl(&rep.minorVersion, n); + } + 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; + int rc; + + REQUEST_SIZE_MATCH(xRRSelectInputReq); + #ifndef NXAGENT_SERVER + rc = dixLookupWindow(&pWin, stuff->window, client, DixWriteAccess); + #else + pWin = SecurityLookupWindow(stuff->window, client, SecurityWriteAccess); + rc = pWin ? Success : BadWindow; + #endif + if (rc != Success) + return rc; + pHead = (RREventPtr *)SecurityLookupIDByType(client, + pWin->drawable.id, RREventType, + DixWriteAccess); + + 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 = (RREventPtr) xalloc (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 = (RREventPtr *) xalloc (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; + xfree (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 */ +}; + |