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-rw-r--r--nx-X11/programs/Xserver/randr/rrproperty.c736
1 files changed, 736 insertions, 0 deletions
diff --git a/nx-X11/programs/Xserver/randr/rrproperty.c b/nx-X11/programs/Xserver/randr/rrproperty.c
new file mode 100644
index 000000000..429246c68
--- /dev/null
+++ b/nx-X11/programs/Xserver/randr/rrproperty.c
@@ -0,0 +1,736 @@
+/*
+ * 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"
+#include "propertyst.h"
+#include "swaprep.h"
+
+static void
+RRDeliverEvent (ScreenPtr pScreen, xEvent *event, CARD32 mask)
+{
+
+}
+
+void
+RRDeleteAllOutputProperties (RROutputPtr output)
+{
+ RRPropertyPtr prop, next;
+ xRROutputPropertyNotifyEvent event;
+
+ for (prop = output->properties; prop; prop = next)
+ {
+ next = prop->next;
+ event.type = RREventBase + RRNotify;
+ event.subCode = RRNotify_OutputProperty;
+ event.output = output->id;
+ event.state = PropertyDelete;
+ event.atom = prop->propertyName;
+ event.timestamp = currentTime.milliseconds;
+ RRDeliverEvent (output->pScreen, (xEvent *) &event, RROutputPropertyNotifyMask);
+ if (prop->current.data)
+ xfree(prop->current.data);
+ if (prop->pending.data)
+ xfree(prop->pending.data);
+ xfree(prop);
+ }
+}
+
+static void
+RRInitOutputPropertyValue (RRPropertyValuePtr property_value)
+{
+ property_value->type = None;
+ property_value->format = 0;
+ property_value->size = 0;
+ property_value->data = NULL;
+}
+
+static RRPropertyPtr
+RRCreateOutputProperty (Atom property)
+{
+ RRPropertyPtr prop;
+
+ prop = (RRPropertyPtr)xalloc(sizeof(RRPropertyRec));
+ if (!prop)
+ return NULL;
+ prop->next = NULL;
+ prop->propertyName = property;
+ prop->is_pending = FALSE;
+ prop->range = FALSE;
+ prop->immutable = FALSE;
+ prop->num_valid = 0;
+ prop->valid_values = NULL;
+ RRInitOutputPropertyValue (&prop->current);
+ RRInitOutputPropertyValue (&prop->pending);
+ return prop;
+}
+
+static void
+RRDestroyOutputProperty (RRPropertyPtr prop)
+{
+ if (prop->valid_values)
+ xfree (prop->valid_values);
+ if (prop->current.data)
+ xfree(prop->current.data);
+ if (prop->pending.data)
+ xfree(prop->pending.data);
+ xfree(prop);
+}
+
+void
+RRDeleteOutputProperty (RROutputPtr output, Atom property)
+{
+ RRPropertyPtr prop, *prev;
+ xRROutputPropertyNotifyEvent event;
+
+ for (prev = &output->properties; (prop = *prev); prev = &(prop->next))
+ if (prop->propertyName == property)
+ break;
+ if (prop)
+ {
+ *prev = prop->next;
+ event.type = RREventBase + RRNotify;
+ event.subCode = RRNotify_OutputProperty;
+ event.output = output->id;
+ event.state = PropertyDelete;
+ event.atom = prop->propertyName;
+ event.timestamp = currentTime.milliseconds;
+ RRDeliverEvent (output->pScreen, (xEvent *) &event, RROutputPropertyNotifyMask);
+ RRDestroyOutputProperty (prop);
+ }
+}
+
+int
+RRChangeOutputProperty (RROutputPtr output, Atom property, Atom type,
+ int format, int mode, unsigned long len,
+ pointer value, Bool sendevent, Bool pending)
+{
+ RRPropertyPtr prop;
+ xRROutputPropertyNotifyEvent event;
+ rrScrPrivPtr pScrPriv = rrGetScrPriv(output->pScreen);
+ int size_in_bytes;
+ int total_size;
+ unsigned long total_len;
+ RRPropertyValuePtr prop_value;
+ RRPropertyValueRec new_value;
+ Bool add = FALSE;
+
+ size_in_bytes = format >> 3;
+
+ /* first see if property already exists */
+ prop = RRQueryOutputProperty (output, property);
+ if (!prop) /* just add to list */
+ {
+ prop = RRCreateOutputProperty (property);
+ if (!prop)
+ return(BadAlloc);
+ add = TRUE;
+ mode = PropModeReplace;
+ }
+ if (pending && prop->is_pending)
+ prop_value = &prop->pending;
+ else
+ prop_value = &prop->current;
+
+ /* To append or prepend to a property the request format and type
+ must match those of the already defined property. The
+ existing format and type are irrelevant when using the mode
+ "PropModeReplace" since they will be written over. */
+
+ if ((format != prop_value->format) && (mode != PropModeReplace))
+ return(BadMatch);
+ if ((prop_value->type != type) && (mode != PropModeReplace))
+ return(BadMatch);
+ new_value = *prop_value;
+ if (mode == PropModeReplace)
+ total_len = len;
+ else
+ total_len = prop_value->size + len;
+
+ if (mode == PropModeReplace || len > 0)
+ {
+ pointer new_data = NULL, old_data = NULL;
+
+ total_size = total_len * size_in_bytes;
+ new_value.data = (pointer)xalloc (total_size);
+ if (!new_value.data && total_size)
+ {
+ if (add)
+ RRDestroyOutputProperty (prop);
+ return BadAlloc;
+ }
+ new_value.size = len;
+ new_value.type = type;
+ new_value.format = format;
+
+ switch (mode) {
+ case PropModeReplace:
+ new_data = new_value.data;
+ old_data = NULL;
+ break;
+ case PropModeAppend:
+ new_data = (pointer) (((char *) new_value.data) +
+ (prop_value->size * size_in_bytes));
+ old_data = new_value.data;
+ break;
+ case PropModePrepend:
+ new_data = new_value.data;
+ old_data = (pointer) (((char *) new_value.data) +
+ (prop_value->size * size_in_bytes));
+ break;
+ }
+ if (new_data)
+ memcpy ((char *) new_data, (char *) value, len * size_in_bytes);
+ if (old_data)
+ memcpy ((char *) old_data, (char *) prop_value->data,
+ prop_value->size * size_in_bytes);
+
+ if (pending && pScrPriv->rrOutputSetProperty &&
+ !pScrPriv->rrOutputSetProperty(output->pScreen, output,
+ prop->propertyName, &new_value))
+ {
+ if (new_value.data)
+ xfree (new_value.data);
+ return (BadValue);
+ }
+ if (prop_value->data)
+ xfree (prop_value->data);
+ *prop_value = new_value;
+ }
+
+ else if (len == 0)
+ {
+ /* do nothing */
+ }
+
+ if (add)
+ {
+ prop->next = output->properties;
+ output->properties = prop;
+ }
+
+ if (pending && prop->is_pending)
+ output->pendingProperties = TRUE;
+
+ if (sendevent)
+ {
+ event.type = RREventBase + RRNotify;
+ event.subCode = RRNotify_OutputProperty;
+ event.output = output->id;
+ event.state = PropertyNewValue;
+ event.atom = prop->propertyName;
+ event.timestamp = currentTime.milliseconds;
+ RRDeliverEvent (output->pScreen, (xEvent *) &event, RROutputPropertyNotifyMask);
+ }
+ return(Success);
+}
+
+Bool
+RRPostPendingProperties (RROutputPtr output)
+{
+ RRPropertyValuePtr pending_value;
+ RRPropertyValuePtr current_value;
+ RRPropertyPtr property;
+ Bool ret = TRUE;
+
+ if (!output->pendingProperties)
+ return TRUE;
+
+ output->pendingProperties = FALSE;
+ for (property = output->properties; property; property = property->next)
+ {
+ /* Skip non-pending properties */
+ if (!property->is_pending)
+ continue;
+
+ pending_value = &property->pending;
+ current_value = &property->current;
+
+ /*
+ * If the pending and current values are equal, don't mark it
+ * as changed (which would deliver an event)
+ */
+ if (pending_value->type == current_value->type &&
+ pending_value->format == current_value->format &&
+ pending_value->size == current_value->size &&
+ !memcmp (pending_value->data, current_value->data,
+ pending_value->size))
+ continue;
+
+ if (RRChangeOutputProperty (output, property->propertyName,
+ pending_value->type, pending_value->format,
+ PropModeReplace, pending_value->size,
+ pending_value->data, TRUE,
+ FALSE) != Success)
+ ret = FALSE;
+ }
+ return ret;
+}
+
+RRPropertyPtr
+RRQueryOutputProperty (RROutputPtr output, Atom property)
+{
+ RRPropertyPtr prop;
+
+ for (prop = output->properties; prop; prop = prop->next)
+ if (prop->propertyName == property)
+ return prop;
+ return NULL;
+}
+
+RRPropertyValuePtr
+RRGetOutputProperty (RROutputPtr output, Atom property, Bool pending)
+{
+ RRPropertyPtr prop = RRQueryOutputProperty (output, property);
+
+ if (!prop)
+ return NULL;
+ if (pending && prop->is_pending)
+ return &prop->pending;
+ else
+ return &prop->current;
+}
+
+int
+RRConfigureOutputProperty (RROutputPtr output, Atom property,
+ Bool pending, Bool range, Bool immutable,
+ int num_values, INT32 *values)
+{
+ RRPropertyPtr prop = RRQueryOutputProperty (output, property);
+ Bool add = FALSE;
+ INT32 *new_values;
+
+ if (!prop)
+ {
+ prop = RRCreateOutputProperty (property);
+ if (!prop)
+ return(BadAlloc);
+ add = TRUE;
+ } else if (prop->immutable && !immutable)
+ return(BadAccess);
+
+ /*
+ * ranges must have even number of values
+ */
+ if (range && (num_values & 1))
+ return BadMatch;
+
+ new_values = xalloc (num_values * sizeof (INT32));
+ if (!new_values && num_values)
+ return BadAlloc;
+ if (num_values)
+ memcpy (new_values, values, num_values * sizeof (INT32));
+
+ /*
+ * Property moving from pending to non-pending
+ * loses any pending values
+ */
+ if (prop->is_pending && !pending)
+ {
+ if (prop->pending.data)
+ xfree (prop->pending.data);
+ RRInitOutputPropertyValue (&prop->pending);
+ }
+
+ prop->is_pending = pending;
+ prop->range = range;
+ prop->immutable = immutable;
+ prop->num_valid = num_values;
+ if (prop->valid_values)
+ xfree (prop->valid_values);
+ prop->valid_values = new_values;
+
+ if (add) {
+ prop->next = output->properties;
+ output->properties = prop;
+ }
+
+ return Success;
+}
+
+int
+ProcRRListOutputProperties (ClientPtr client)
+{
+ REQUEST(xRRListOutputPropertiesReq);
+ Atom *pAtoms = NULL, *temppAtoms;
+ xRRListOutputPropertiesReply rep;
+ int numProps = 0;
+ RROutputPtr output;
+ RRPropertyPtr prop;
+
+ REQUEST_SIZE_MATCH(xRRListOutputPropertiesReq);
+
+ output = LookupOutput (client, stuff->output, DixReadAccess);
+
+ if (!output)
+ return RRErrorBase + BadRROutput;
+
+ for (prop = output->properties; prop; prop = prop->next)
+ numProps++;
+ if (numProps)
+ if(!(pAtoms = (Atom *)xalloc(numProps * sizeof(Atom))))
+ return(BadAlloc);
+
+ rep.type = X_Reply;
+ rep.length = (numProps * sizeof(Atom)) >> 2;
+ rep.sequenceNumber = client->sequence;
+ rep.nAtoms = numProps;
+ if (client->swapped)
+ {
+ int n;
+ swaps (&rep.sequenceNumber, n);
+ swapl (&rep.length, n);
+ swaps (&rep.nAtoms, n);
+ }
+ temppAtoms = pAtoms;
+ for (prop = output->properties; prop; prop = prop->next)
+ *temppAtoms++ = prop->propertyName;
+
+ WriteToClient(client, sizeof(xRRListOutputPropertiesReply), (char*)&rep);
+ if (numProps)
+ {
+ client->pSwapReplyFunc = (ReplySwapPtr)Swap32Write;
+ WriteSwappedDataToClient(client, numProps * sizeof(Atom), pAtoms);
+ xfree(pAtoms);
+ }
+ return(client->noClientException);
+}
+
+int
+ProcRRQueryOutputProperty (ClientPtr client)
+{
+ REQUEST(xRRQueryOutputPropertyReq);
+ xRRQueryOutputPropertyReply rep;
+ RROutputPtr output;
+ RRPropertyPtr prop;
+ char *extra;
+
+ REQUEST_SIZE_MATCH(xRRQueryOutputPropertyReq);
+
+ output = LookupOutput (client, stuff->output, DixReadAccess);
+
+ if (!output)
+ return RRErrorBase + BadRROutput;
+
+ prop = RRQueryOutputProperty (output, stuff->property);
+ if (!prop)
+ return BadName;
+
+ if (prop->num_valid) {
+ extra = xalloc(prop->num_valid * sizeof(INT32));
+ if (!extra)
+ return BadAlloc;
+ }
+ rep.type = X_Reply;
+ rep.length = prop->num_valid;
+ rep.sequenceNumber = client->sequence;
+ rep.pending = prop->is_pending;
+ rep.range = prop->range;
+ rep.immutable = prop->immutable;
+ if (client->swapped)
+ {
+ int n;
+ swaps (&rep.sequenceNumber, n);
+ swapl (&rep.length, n);
+ }
+ WriteToClient (client, sizeof (xRRQueryOutputPropertyReply), (char*)&rep);
+ if (prop->num_valid)
+ {
+ memcpy(extra, prop->valid_values, prop->num_valid * sizeof(INT32));
+ client->pSwapReplyFunc = (ReplySwapPtr)Swap32Write;
+ WriteSwappedDataToClient(client, prop->num_valid * sizeof(INT32),
+ extra);
+ xfree(extra);
+ }
+ return(client->noClientException);
+}
+
+int
+ProcRRConfigureOutputProperty (ClientPtr client)
+{
+ REQUEST(xRRConfigureOutputPropertyReq);
+ RROutputPtr output;
+ int num_valid;
+
+ REQUEST_AT_LEAST_SIZE(xRRConfigureOutputPropertyReq);
+
+ output = LookupOutput (client, stuff->output, DixReadAccess);
+
+ if (!output)
+ return RRErrorBase + BadRROutput;
+
+ num_valid = stuff->length - (sizeof (xRRConfigureOutputPropertyReq) >> 2);
+ return RRConfigureOutputProperty (output, stuff->property,
+ stuff->pending, stuff->range,
+ FALSE, num_valid,
+ (INT32 *) (stuff + 1));
+}
+
+int
+ProcRRChangeOutputProperty (ClientPtr client)
+{
+ REQUEST(xRRChangeOutputPropertyReq);
+ RROutputPtr output;
+ char format, mode;
+ unsigned long len;
+ int sizeInBytes;
+ int totalSize;
+ int err;
+
+ REQUEST_AT_LEAST_SIZE(xRRChangeOutputPropertyReq);
+ UpdateCurrentTime();
+ format = stuff->format;
+ mode = stuff->mode;
+ if ((mode != PropModeReplace) && (mode != PropModeAppend) &&
+ (mode != PropModePrepend))
+ {
+ client->errorValue = mode;
+ return BadValue;
+ }
+ if ((format != 8) && (format != 16) && (format != 32))
+ {
+ client->errorValue = format;
+ return BadValue;
+ }
+ len = stuff->nUnits;
+ if (len > ((0xffffffff - sizeof(xChangePropertyReq)) >> 2))
+ return BadLength;
+ sizeInBytes = format>>3;
+ totalSize = len * sizeInBytes;
+ REQUEST_FIXED_SIZE(xRRChangeOutputPropertyReq, totalSize);
+
+ output = LookupOutput (client, stuff->output, DixWriteAccess);
+ if (!output)
+ return RRErrorBase + BadRROutput;
+
+ if (!ValidAtom(stuff->property))
+ {
+ client->errorValue = stuff->property;
+ return(BadAtom);
+ }
+ if (!ValidAtom(stuff->type))
+ {
+ client->errorValue = stuff->type;
+ return(BadAtom);
+ }
+
+ err = RRChangeOutputProperty(output, stuff->property,
+ stuff->type, (int)format,
+ (int)mode, len, (pointer)&stuff[1], TRUE, TRUE);
+ if (err != Success)
+ return err;
+ else
+ return client->noClientException;
+}
+
+int
+ProcRRDeleteOutputProperty (ClientPtr client)
+{
+ REQUEST(xRRDeleteOutputPropertyReq);
+ RROutputPtr output;
+
+ REQUEST_SIZE_MATCH(xRRDeleteOutputPropertyReq);
+ UpdateCurrentTime();
+ output = LookupOutput (client, stuff->output, DixWriteAccess);
+ if (!output)
+ return RRErrorBase + BadRROutput;
+
+ if (!ValidAtom(stuff->property))
+ {
+ client->errorValue = stuff->property;
+ return (BadAtom);
+ }
+
+
+ RRDeleteOutputProperty(output, stuff->property);
+ return client->noClientException;
+}
+
+int
+ProcRRGetOutputProperty (ClientPtr client)
+{
+ REQUEST(xRRGetOutputPropertyReq);
+ RRPropertyPtr prop, *prev;
+ RRPropertyValuePtr prop_value;
+ unsigned long n, len, ind;
+ RROutputPtr output;
+ xRRGetOutputPropertyReply reply;
+ char *extra;
+
+ REQUEST_SIZE_MATCH(xRRGetOutputPropertyReq);
+ if (stuff->delete)
+ UpdateCurrentTime();
+ output = LookupOutput (client, stuff->output,
+ stuff->delete ? DixWriteAccess :
+ DixReadAccess);
+ if (!output)
+ return RRErrorBase + BadRROutput;
+
+ if (!ValidAtom(stuff->property))
+ {
+ client->errorValue = stuff->property;
+ return(BadAtom);
+ }
+ if ((stuff->delete != xTrue) && (stuff->delete != xFalse))
+ {
+ client->errorValue = stuff->delete;
+ return(BadValue);
+ }
+ if ((stuff->type != AnyPropertyType) && !ValidAtom(stuff->type))
+ {
+ client->errorValue = stuff->type;
+ return(BadAtom);
+ }
+
+ for (prev = &output->properties; (prop = *prev); prev = &prop->next)
+ if (prop->propertyName == stuff->property)
+ break;
+
+ reply.type = X_Reply;
+ reply.sequenceNumber = client->sequence;
+ if (!prop)
+ {
+ reply.nItems = 0;
+ reply.length = 0;
+ reply.bytesAfter = 0;
+ reply.propertyType = None;
+ reply.format = 0;
+ if (client->swapped) {
+ int n;
+
+ swaps(&reply.sequenceNumber, n);
+ swapl(&reply.length, n);
+ swapl(&reply.propertyType, n);
+ swapl(&reply.bytesAfter, n);
+ swapl(&reply.nItems, n);
+ }
+ WriteToClient(client, sizeof(xRRGetOutputPropertyReply), &reply);
+ return(client->noClientException);
+ }
+
+ if (prop->immutable && stuff->delete)
+ return BadAccess;
+
+ if (stuff->pending && prop->is_pending)
+ prop_value = &prop->pending;
+ else
+ prop_value = &prop->current;
+
+ /* If the request type and actual type don't match. Return the
+ property information, but not the data. */
+
+ if (((stuff->type != prop_value->type) &&
+ (stuff->type != AnyPropertyType))
+ )
+ {
+ reply.bytesAfter = prop_value->size;
+ reply.format = prop_value->format;
+ reply.length = 0;
+ reply.nItems = 0;
+ reply.propertyType = prop_value->type;
+ if (client->swapped) {
+ int n;
+
+ swaps(&reply.sequenceNumber, n);
+ swapl(&reply.length, n);
+ swapl(&reply.propertyType, n);
+ swapl(&reply.bytesAfter, n);
+ swapl(&reply.nItems, n);
+ }
+ WriteToClient(client, sizeof(xRRGetOutputPropertyReply), &reply);
+ return(client->noClientException);
+ }
+
+/*
+ * Return type, format, value to client
+ */
+ n = (prop_value->format/8) * prop_value->size; /* size (bytes) of prop */
+ ind = stuff->longOffset << 2;
+
+ /* If longOffset is invalid such that it causes "len" to
+ be negative, it's a value error. */
+
+ if (n < ind)
+ {
+ client->errorValue = stuff->longOffset;
+ return BadValue;
+ }
+
+ len = min(n - ind, 4 * stuff->longLength);
+
+ if (len) {
+ extra = xalloc(len);
+ if (!extra)
+ return BadAlloc;
+ }
+ reply.bytesAfter = n - (ind + len);
+ reply.format = prop_value->format;
+ reply.length = (len + 3) >> 2;
+ if (prop_value->format)
+ reply.nItems = len / (prop_value->format / 8);
+ else
+ reply.nItems = 0;
+ reply.propertyType = prop_value->type;
+
+ if (stuff->delete && (reply.bytesAfter == 0))
+ {
+ xRROutputPropertyNotifyEvent event;
+
+ event.type = RREventBase + RRNotify;
+ event.subCode = RRNotify_OutputProperty;
+ event.output = output->id;
+ event.state = PropertyDelete;
+ event.atom = prop->propertyName;
+ event.timestamp = currentTime.milliseconds;
+ RRDeliverEvent (output->pScreen, (xEvent *) &event, RROutputPropertyNotifyMask);
+ }
+
+ if (client->swapped) {
+ int n;
+
+ swaps(&reply.sequenceNumber, n);
+ swapl(&reply.length, n);
+ swapl(&reply.propertyType, n);
+ swapl(&reply.bytesAfter, n);
+ swapl(&reply.nItems, n);
+ }
+ WriteToClient(client, sizeof(xGenericReply), &reply);
+ if (len)
+ {
+ memcpy(extra, (char *)prop_value->data + ind, len);
+ switch (reply.format) {
+ case 32: client->pSwapReplyFunc = (ReplySwapPtr)CopySwap32Write; break;
+ case 16: client->pSwapReplyFunc = (ReplySwapPtr)CopySwap16Write; break;
+ default: client->pSwapReplyFunc = (ReplySwapPtr)WriteToClient; break;
+ }
+ WriteSwappedDataToClient(client, len,
+ extra);
+ xfree(extra);
+ }
+
+ if (stuff->delete && (reply.bytesAfter == 0))
+ { /* delete the Property */
+ *prev = prop->next;
+ RRDestroyOutputProperty (prop);
+ }
+ return(client->noClientException);
+}
+
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