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-rw-r--r--xorg-server/randr/rrproperty.c1472
1 files changed, 736 insertions, 736 deletions
diff --git a/xorg-server/randr/rrproperty.c b/xorg-server/randr/rrproperty.c
index dd0caa0b3..61e7bb45a 100644
--- a/xorg-server/randr/rrproperty.c
+++ b/xorg-server/randr/rrproperty.c
@@ -1,736 +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 int
-DeliverPropertyEvent(WindowPtr pWin, void *value)
-{
- xRROutputPropertyNotifyEvent *event = value;
- RREventPtr *pHead, pRREvent;
-
- dixLookupResourceByType((pointer *)&pHead, pWin->drawable.id,
- RREventType, serverClient, DixReadAccess);
- if (!pHead)
- return WT_WALKCHILDREN;
-
- for (pRREvent = *pHead; pRREvent; pRREvent = pRREvent->next)
- {
- if (!(pRREvent->mask & RROutputPropertyNotifyMask))
- continue;
-
- event->window = pRREvent->window->drawable.id;
- WriteEventsToClient(pRREvent->client, 1, (xEvent *)event);
- }
-
- return WT_WALKCHILDREN;
-}
-
-static void RRDeliverPropertyEvent(ScreenPtr pScreen, xEvent *event)
-{
- if (!(dispatchException & (DE_RESET | DE_TERMINATE)))
- WalkTree(pScreen, DeliverPropertyEvent, event);
-}
-
-static void
-RRDestroyOutputProperty (RRPropertyPtr prop)
-{
- free(prop->valid_values);
- free(prop->current.data);
- free(prop->pending.data);
- free(prop);
-}
-
-static void
-RRDeleteProperty(RROutputRec *output, RRPropertyRec *prop)
-{
- 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;
-
- RRDeliverPropertyEvent(output->pScreen, (xEvent *)&event);
-
- RRDestroyOutputProperty(prop);
-}
-
-void
-RRDeleteAllOutputProperties(RROutputPtr output)
-{
- RRPropertyPtr prop, next;
-
- for (prop = output->properties; prop; prop = next) {
- next = prop->next;
- RRDeleteProperty(output, 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)malloc(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;
-}
-
-void
-RRDeleteOutputProperty(RROutputPtr output, Atom property)
-{
- RRPropertyRec *prop, **prev;
-
- for (prev = &output->properties; (prop = *prev); prev = &(prop->next))
- if (prop->propertyName == property) {
- *prev = prop->next;
- RRDeleteProperty(output, prop);
- return;
- }
-}
-
-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)malloc(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))
- {
- free(new_value.data);
- return BadValue;
- }
- free(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;
- RRDeliverPropertyEvent (output->pScreen, (xEvent *)&event);
- }
- 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);
- rrScrPrivPtr pScrPriv = rrGetScrPriv(output->pScreen);
-
- if (!prop)
- return NULL;
- if (pending && prop->is_pending)
- return &prop->pending;
- else {
-#if RANDR_13_INTERFACE
- /* If we can, try to update the property value first */
- if (pScrPriv->rrOutputGetProperty)
- pScrPriv->rrOutputGetProperty(output->pScreen, output,
- prop->propertyName);
-#endif
- 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 = malloc(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)
- {
- free(prop->pending.data);
- RRInitOutputPropertyValue (&prop->pending);
- }
-
- prop->is_pending = pending;
- prop->range = range;
- prop->immutable = immutable;
- prop->num_valid = num_values;
- free(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);
-
- VERIFY_RR_OUTPUT(stuff->output, output, DixReadAccess);
-
- for (prop = output->properties; prop; prop = prop->next)
- numProps++;
- if (numProps)
- if(!(pAtoms = (Atom *)malloc(numProps * sizeof(Atom))))
- return BadAlloc;
-
- rep.type = X_Reply;
- rep.length = bytes_to_int32(numProps * sizeof(Atom));
- 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);
- free(pAtoms);
- }
- return Success;
-}
-
-int
-ProcRRQueryOutputProperty (ClientPtr client)
-{
- REQUEST(xRRQueryOutputPropertyReq);
- xRRQueryOutputPropertyReply rep;
- RROutputPtr output;
- RRPropertyPtr prop;
- char *extra = NULL;
-
- REQUEST_SIZE_MATCH(xRRQueryOutputPropertyReq);
-
- VERIFY_RR_OUTPUT(stuff->output, output, DixReadAccess);
-
- prop = RRQueryOutputProperty (output, stuff->property);
- if (!prop)
- return BadName;
-
- if (prop->num_valid) {
- extra = malloc(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);
- free(extra);
- }
- return Success;
-}
-
-int
-ProcRRConfigureOutputProperty (ClientPtr client)
-{
- REQUEST(xRRConfigureOutputPropertyReq);
- RROutputPtr output;
- int num_valid;
-
- REQUEST_AT_LEAST_SIZE(xRRConfigureOutputPropertyReq);
-
- VERIFY_RR_OUTPUT(stuff->output, output, DixReadAccess);
-
- num_valid = stuff->length - bytes_to_int32(sizeof (xRRConfigureOutputPropertyReq));
- 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 > bytes_to_int32((0xffffffff - sizeof(xChangePropertyReq))))
- return BadLength;
- sizeInBytes = format>>3;
- totalSize = len * sizeInBytes;
- REQUEST_FIXED_SIZE(xRRChangeOutputPropertyReq, totalSize);
-
- VERIFY_RR_OUTPUT(stuff->output, output, DixReadAccess);
-
- 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 Success;
-}
-
-int
-ProcRRDeleteOutputProperty (ClientPtr client)
-{
- REQUEST(xRRDeleteOutputPropertyReq);
- RROutputPtr output;
-
- REQUEST_SIZE_MATCH(xRRDeleteOutputPropertyReq);
- UpdateCurrentTime();
- VERIFY_RR_OUTPUT(stuff->output, output, DixReadAccess);
-
- if (!ValidAtom(stuff->property))
- {
- client->errorValue = stuff->property;
- return BadAtom;
- }
-
-
- RRDeleteOutputProperty(output, stuff->property);
- return Success;
-}
-
-int
-ProcRRGetOutputProperty (ClientPtr client)
-{
- REQUEST(xRRGetOutputPropertyReq);
- RRPropertyPtr prop, *prev;
- RRPropertyValuePtr prop_value;
- unsigned long n, len, ind;
- RROutputPtr output;
- xRRGetOutputPropertyReply reply;
- char *extra = NULL;
-
- REQUEST_SIZE_MATCH(xRRGetOutputPropertyReq);
- if (stuff->delete)
- UpdateCurrentTime();
- VERIFY_RR_OUTPUT(stuff->output, output,
- stuff->delete ? DixWriteAccess : DixReadAccess);
-
- 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 Success;
- }
-
- if (prop->immutable && stuff->delete)
- return BadAccess;
-
- prop_value = RRGetOutputProperty(output, stuff->property, stuff->pending);
- if (!prop_value)
- return BadAtom;
-
- /* 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 Success;
- }
-
-/*
- * 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 = malloc(len);
- if (!extra)
- return BadAlloc;
- }
- reply.bytesAfter = n - (ind + len);
- reply.format = prop_value->format;
- reply.length = bytes_to_int32(len);
- 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;
- RRDeliverPropertyEvent (output->pScreen, (xEvent *)&event);
- }
-
- 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);
- free(extra);
- }
-
- if (stuff->delete && (reply.bytesAfter == 0))
- { /* delete the Property */
- *prev = prop->next;
- RRDestroyOutputProperty (prop);
- }
- return Success;
-}
-
+/*
+ * 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 int
+DeliverPropertyEvent(WindowPtr pWin, void *value)
+{
+ xRROutputPropertyNotifyEvent *event = value;
+ RREventPtr *pHead, pRREvent;
+
+ dixLookupResourceByType((pointer *)&pHead, pWin->drawable.id,
+ RREventType, serverClient, DixReadAccess);
+ if (!pHead)
+ return WT_WALKCHILDREN;
+
+ for (pRREvent = *pHead; pRREvent; pRREvent = pRREvent->next)
+ {
+ if (!(pRREvent->mask & RROutputPropertyNotifyMask))
+ continue;
+
+ event->window = pRREvent->window->drawable.id;
+ WriteEventsToClient(pRREvent->client, 1, (xEvent *)event);
+ }
+
+ return WT_WALKCHILDREN;
+}
+
+static void RRDeliverPropertyEvent(ScreenPtr pScreen, xEvent *event)
+{
+ if (!(dispatchException & (DE_RESET | DE_TERMINATE)))
+ WalkTree(pScreen, DeliverPropertyEvent, event);
+}
+
+static void
+RRDestroyOutputProperty (RRPropertyPtr prop)
+{
+ free(prop->valid_values);
+ free(prop->current.data);
+ free(prop->pending.data);
+ free(prop);
+}
+
+static void
+RRDeleteProperty(RROutputRec *output, RRPropertyRec *prop)
+{
+ 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;
+
+ RRDeliverPropertyEvent(output->pScreen, (xEvent *)&event);
+
+ RRDestroyOutputProperty(prop);
+}
+
+void
+RRDeleteAllOutputProperties(RROutputPtr output)
+{
+ RRPropertyPtr prop, next;
+
+ for (prop = output->properties; prop; prop = next) {
+ next = prop->next;
+ RRDeleteProperty(output, 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)malloc(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;
+}
+
+void
+RRDeleteOutputProperty(RROutputPtr output, Atom property)
+{
+ RRPropertyRec *prop, **prev;
+
+ for (prev = &output->properties; (prop = *prev); prev = &(prop->next))
+ if (prop->propertyName == property) {
+ *prev = prop->next;
+ RRDeleteProperty(output, prop);
+ return;
+ }
+}
+
+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)malloc(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))
+ {
+ free(new_value.data);
+ return BadValue;
+ }
+ free(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;
+ RRDeliverPropertyEvent (output->pScreen, (xEvent *)&event);
+ }
+ 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 * (pending_value->format / 8)))
+ 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);
+ rrScrPrivPtr pScrPriv = rrGetScrPriv(output->pScreen);
+
+ if (!prop)
+ return NULL;
+ if (pending && prop->is_pending)
+ return &prop->pending;
+ else {
+#if RANDR_13_INTERFACE
+ /* If we can, try to update the property value first */
+ if (pScrPriv->rrOutputGetProperty)
+ pScrPriv->rrOutputGetProperty(output->pScreen, output,
+ prop->propertyName);
+#endif
+ 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 = malloc(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)
+ {
+ free(prop->pending.data);
+ RRInitOutputPropertyValue (&prop->pending);
+ }
+
+ prop->is_pending = pending;
+ prop->range = range;
+ prop->immutable = immutable;
+ prop->num_valid = num_values;
+ free(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);
+
+ VERIFY_RR_OUTPUT(stuff->output, output, DixReadAccess);
+
+ for (prop = output->properties; prop; prop = prop->next)
+ numProps++;
+ if (numProps)
+ if(!(pAtoms = (Atom *)malloc(numProps * sizeof(Atom))))
+ return BadAlloc;
+
+ rep.type = X_Reply;
+ rep.length = bytes_to_int32(numProps * sizeof(Atom));
+ 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);
+ free(pAtoms);
+ }
+ return Success;
+}
+
+int
+ProcRRQueryOutputProperty (ClientPtr client)
+{
+ REQUEST(xRRQueryOutputPropertyReq);
+ xRRQueryOutputPropertyReply rep;
+ RROutputPtr output;
+ RRPropertyPtr prop;
+ char *extra = NULL;
+
+ REQUEST_SIZE_MATCH(xRRQueryOutputPropertyReq);
+
+ VERIFY_RR_OUTPUT(stuff->output, output, DixReadAccess);
+
+ prop = RRQueryOutputProperty (output, stuff->property);
+ if (!prop)
+ return BadName;
+
+ if (prop->num_valid) {
+ extra = malloc(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);
+ free(extra);
+ }
+ return Success;
+}
+
+int
+ProcRRConfigureOutputProperty (ClientPtr client)
+{
+ REQUEST(xRRConfigureOutputPropertyReq);
+ RROutputPtr output;
+ int num_valid;
+
+ REQUEST_AT_LEAST_SIZE(xRRConfigureOutputPropertyReq);
+
+ VERIFY_RR_OUTPUT(stuff->output, output, DixReadAccess);
+
+ num_valid = stuff->length - bytes_to_int32(sizeof (xRRConfigureOutputPropertyReq));
+ 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 > bytes_to_int32((0xffffffff - sizeof(xChangePropertyReq))))
+ return BadLength;
+ sizeInBytes = format>>3;
+ totalSize = len * sizeInBytes;
+ REQUEST_FIXED_SIZE(xRRChangeOutputPropertyReq, totalSize);
+
+ VERIFY_RR_OUTPUT(stuff->output, output, DixReadAccess);
+
+ 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 Success;
+}
+
+int
+ProcRRDeleteOutputProperty (ClientPtr client)
+{
+ REQUEST(xRRDeleteOutputPropertyReq);
+ RROutputPtr output;
+
+ REQUEST_SIZE_MATCH(xRRDeleteOutputPropertyReq);
+ UpdateCurrentTime();
+ VERIFY_RR_OUTPUT(stuff->output, output, DixReadAccess);
+
+ if (!ValidAtom(stuff->property))
+ {
+ client->errorValue = stuff->property;
+ return BadAtom;
+ }
+
+
+ RRDeleteOutputProperty(output, stuff->property);
+ return Success;
+}
+
+int
+ProcRRGetOutputProperty (ClientPtr client)
+{
+ REQUEST(xRRGetOutputPropertyReq);
+ RRPropertyPtr prop, *prev;
+ RRPropertyValuePtr prop_value;
+ unsigned long n, len, ind;
+ RROutputPtr output;
+ xRRGetOutputPropertyReply reply;
+ char *extra = NULL;
+
+ REQUEST_SIZE_MATCH(xRRGetOutputPropertyReq);
+ if (stuff->delete)
+ UpdateCurrentTime();
+ VERIFY_RR_OUTPUT(stuff->output, output,
+ stuff->delete ? DixWriteAccess : DixReadAccess);
+
+ 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 Success;
+ }
+
+ if (prop->immutable && stuff->delete)
+ return BadAccess;
+
+ prop_value = RRGetOutputProperty(output, stuff->property, stuff->pending);
+ if (!prop_value)
+ return BadAtom;
+
+ /* 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 Success;
+ }
+
+/*
+ * 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 = malloc(len);
+ if (!extra)
+ return BadAlloc;
+ }
+ reply.bytesAfter = n - (ind + len);
+ reply.format = prop_value->format;
+ reply.length = bytes_to_int32(len);
+ 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;
+ RRDeliverPropertyEvent (output->pScreen, (xEvent *)&event);
+ }
+
+ 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);
+ free(extra);
+ }
+
+ if (stuff->delete && (reply.bytesAfter == 0))
+ { /* delete the Property */
+ *prev = prop->next;
+ RRDestroyOutputProperty (prop);
+ }
+ return Success;
+}
+
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-06 02:08:15 +0000