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-rw-r--r--nx-X11/programs/Xserver/randr/rrdispatch.c219
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
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+++ b/nx-X11/programs/Xserver/randr/rrdispatch.c
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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"
+
+#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 */
+};
+