diff options
author | marha <marha@users.sourceforge.net> | 2011-08-01 09:13:47 +0200 |
---|---|---|
committer | marha <marha@users.sourceforge.net> | 2011-08-01 09:13:47 +0200 |
commit | 6730a76afc49a80573b2e582085086c2956fe96d (patch) | |
tree | 1478eb4f497670caeb2af983eadc4aee20f48b68 /xorg-server/randr/rrproperty.c | |
parent | a69cff9373daf6b7afc97fb975ceb4fc0d6864f7 (diff) | |
parent | f87ad0cdc41af88f134475ab50b0d604004d9cdc (diff) | |
download | vcxsrv-6730a76afc49a80573b2e582085086c2956fe96d.tar.gz vcxsrv-6730a76afc49a80573b2e582085086c2956fe96d.tar.bz2 vcxsrv-6730a76afc49a80573b2e582085086c2956fe96d.zip |
Merge remote-tracking branch 'origin/released'
Conflicts:
mesalib/src/glsl/ast_function.cpp
mesalib/src/glsl/glsl_types.cpp
mesalib/src/mesa/main/teximage.c
mesalib/src/mesa/main/texparam.c
xorg-server/config/udev.c
xorg-server/configure.ac
xorg-server/dix/main.c
xorg-server/hw/dmx/dmxinit.c
xorg-server/hw/kdrive/src/kdrive.c
xorg-server/hw/xfree86/common/xf86Config.c
xorg-server/hw/xfree86/common/xf86Configure.c
xorg-server/hw/xfree86/common/xf86Helper.c
xorg-server/hw/xfree86/common/xf86Init.c
xorg-server/hw/xfree86/common/xf86Option.c
xorg-server/hw/xfree86/common/xf86Priv.h
xorg-server/hw/xfree86/common/xf86Xinput.c
xorg-server/hw/xnest/Init.c
xorg-server/hw/xquartz/darwin.c
xorg-server/hw/xwin/InitOutput.c
xorg-server/hw/xwin/winerror.c
xorg-server/hw/xwin/xlaunch/config.cc
xorg-server/hw/xwin/xlaunch/config.h
xorg-server/hw/xwin/xlaunch/main.cc
xorg-server/hw/xwin/xlaunch/resources/dialog.rc
xorg-server/hw/xwin/xlaunch/resources/resources.h
xorg-server/hw/xwin/xlaunch/resources/resources.rc
xorg-server/hw/xwin/xlaunch/resources/strings.rc
xorg-server/hw/xwin/xlaunch/window/util.cc
xorg-server/hw/xwin/xlaunch/window/util.h
xorg-server/hw/xwin/xlaunch/window/wizard.h
xorg-server/include/os.h
xorg-server/os/log.c
xorg-server/xkeyboard-config/symbols/lv
Diffstat (limited to 'xorg-server/randr/rrproperty.c')
-rw-r--r-- | xorg-server/randr/rrproperty.c | 1472 |
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; +} + |