SwallowOS/xserver_xsdl
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

Merge branch 'master' into dcdc_rework

Browse Source 
Conflicts:

	Xext/xevie.c
	dix/dispatch.c
This commit is contained in:
Peter Hutterer
2008-04-07 07:56:41 +09:30
parent b46a009186 6c0cfe3d43
commit fd06e8f8c1
182 changed files with 5802 additions and 4881 deletions
Download Patch File Download Diff File Expand all files Collapse all files

1
dix/Makefile.am
View File

@@ -30,6 +30,7 @@ libdix_la_SOURCES = \
property.c \
registry.c \
resource.c \
selection.c \
swaprep.c \
swapreq.c \
tables.c \

1
dix/colormap.c
View File

@@ -1006,6 +1006,7 @@ FakeAllocColor (ColormapPtr pmap, xColorItem *item)
switch (class) {
case GrayScale:
case PseudoColor:
temp = 0;
item->pixel = 0;
if (FindColor(pmap, pmap->red, entries, &rgb, &temp, PSEUDOMAP,
-1, AllComp) == Success) {

275
dix/dispatch.c
View File

@@ -165,10 +165,6 @@ typedef const char *string;
extern xConnSetupPrefix connSetupPrefix;
extern char *ConnectionInfo;
_X_EXPORT Selection *CurrentSelections;
_X_EXPORT int NumCurrentSelections;
CallbackListPtr SelectionCallback = NULL;
static ClientPtr grabClient;
#define GrabNone 0
#define GrabActive 1
@@ -181,8 +177,6 @@ extern int connBlockScreenStart;
static void KillAllClients(void);
static void DeleteClientFromAnySelections(ClientPtr client);
static int nextFreeClientID; /* always MIN free client ID */
static int nClients; /* number of authorized clients */
@@ -246,14 +240,6 @@ UpdateCurrentTimeIf(void)
currentTime = systime;
}
static void
InitSelections(void)
{
if (CurrentSelections)
xfree(CurrentSelections);
CurrentSelections = (Selection *)NULL;
NumCurrentSelections = 0;
}
#ifdef SMART_SCHEDULE
#undef SMART_DEBUG
@@ -372,7 +358,6 @@ Dispatch(void)
#endif
nextFreeClientID = 1;
InitSelections();
nClients = 0;
clientReady = (int *) xalloc(sizeof(int) * MaxClients);
@@ -967,218 +952,6 @@ ProcGetAtomName(ClientPtr client)
}
}
int
ProcSetSelectionOwner(ClientPtr client)
{
WindowPtr pWin;
TimeStamp time;
int rc;
REQUEST(xSetSelectionOwnerReq);
REQUEST_SIZE_MATCH(xSetSelectionOwnerReq);
UpdateCurrentTime();
time = ClientTimeToServerTime(stuff->time);
/* If the client's time stamp is in the future relative to the server's
time stamp, do not set the selection, just return success. */
if (CompareTimeStamps(time, currentTime) == LATER)
return Success;
if (stuff->window != None)
{
rc = dixLookupWindow(&pWin, stuff->window, client, DixSetAttrAccess);
if (rc != Success)
return rc;
}
else
pWin = (WindowPtr)None;
if (ValidAtom(stuff->selection))
{
int i = 0;
rc = XaceHookSelectionAccess(client, stuff->selection,
DixSetAttrAccess);
if (rc != Success)
return rc;
/*
* First, see if the selection is already set...
*/
while ((i < NumCurrentSelections) &&
CurrentSelections[i].selection != stuff->selection)
i++;
if (i < NumCurrentSelections)
{
xEvent event;
/* If the timestamp in client's request is in the past relative
to the time stamp indicating the last time the owner of the
selection was set, do not set the selection, just return
success. */
if (CompareTimeStamps(time, CurrentSelections[i].lastTimeChanged)
== EARLIER)
return Success;
if (CurrentSelections[i].client &&
(!pWin || (CurrentSelections[i].client != client)))
{
event.u.u.type = SelectionClear;
event.u.selectionClear.time = time.milliseconds;
event.u.selectionClear.window = CurrentSelections[i].window;
event.u.selectionClear.atom = CurrentSelections[i].selection;
TryClientEvents (CurrentSelections[i].client, NULL,
&event, 1,
NoEventMask, NoEventMask /* CantBeFiltered */,
NullGrab);
}
}
else
{
/*
* It doesn't exist, so add it...
*/
Selection *newsels;
if (i == 0)
newsels = (Selection *)xalloc(sizeof(Selection));
else
newsels = (Selection *)xrealloc(CurrentSelections,
(NumCurrentSelections + 1) * sizeof(Selection));
if (!newsels)
return BadAlloc;
NumCurrentSelections++;
CurrentSelections = newsels;
CurrentSelections[i].selection = stuff->selection;
CurrentSelections[i].devPrivates = NULL;
}
CurrentSelections[i].lastTimeChanged = time;
CurrentSelections[i].window = stuff->window;
CurrentSelections[i].pWin = pWin;
CurrentSelections[i].client = (pWin ? client : NullClient);
if (SelectionCallback)
{
SelectionInfoRec info;
info.selection = &CurrentSelections[i];
info.client = client;
info.kind= SelectionSetOwner;
CallCallbacks(&SelectionCallback, &info);
}
return (client->noClientException);
}
else
{
client->errorValue = stuff->selection;
return (BadAtom);
}
}
int
ProcGetSelectionOwner(ClientPtr client)
{
REQUEST(xResourceReq);
REQUEST_SIZE_MATCH(xResourceReq);
if (ValidAtom(stuff->id))
{
int rc, i;
xGetSelectionOwnerReply reply;
rc = XaceHookSelectionAccess(client, stuff->id, DixGetAttrAccess);
if (rc != Success)
return rc;
i = 0;
while ((i < NumCurrentSelections) &&
CurrentSelections[i].selection != stuff->id) i++;
reply.type = X_Reply;
reply.length = 0;
reply.sequenceNumber = client->sequence;
if (i < NumCurrentSelections) {
if (SelectionCallback) {
SelectionInfoRec info;
info.selection = &CurrentSelections[i];
info.client = client;
info.kind= SelectionGetOwner;
CallCallbacks(&SelectionCallback, &info);
}
reply.owner = CurrentSelections[i].window;
} else
reply.owner = None;
WriteReplyToClient(client, sizeof(xGetSelectionOwnerReply), &reply);
return(client->noClientException);
}
else
{
client->errorValue = stuff->id;
return (BadAtom);
}
}
int
ProcConvertSelection(ClientPtr client)
{
Bool paramsOkay;
xEvent event;
WindowPtr pWin;
REQUEST(xConvertSelectionReq);
int rc;
REQUEST_SIZE_MATCH(xConvertSelectionReq);
rc = dixLookupWindow(&pWin, stuff->requestor, client, DixSetAttrAccess);
if (rc != Success)
return rc;
rc = XaceHookSelectionAccess(client, stuff->selection, DixReadAccess);
if (rc != Success)
return rc;
paramsOkay = (ValidAtom(stuff->selection) && ValidAtom(stuff->target));
if (stuff->property != None)
paramsOkay &= ValidAtom(stuff->property);
if (paramsOkay)
{
int i;
i = 0;
while ((i < NumCurrentSelections) &&
CurrentSelections[i].selection != stuff->selection) i++;
if (i < NumCurrentSelections && CurrentSelections[i].window != None) {
if (SelectionCallback) {
SelectionInfoRec info;
info.selection = &CurrentSelections[i];
info.client = client;
info.kind= SelectionConvertSelection;
CallCallbacks(&SelectionCallback, &info);
}
event.u.u.type = SelectionRequest;
event.u.selectionRequest.time = stuff->time;
event.u.selectionRequest.owner = CurrentSelections[i].window;
event.u.selectionRequest.requestor = stuff->requestor;
event.u.selectionRequest.selection = stuff->selection;
event.u.selectionRequest.target = stuff->target;
event.u.selectionRequest.property = stuff->property;
if (TryClientEvents(
CurrentSelections[i].client, NULL, &event, 1, NoEventMask,
NoEventMask /* CantBeFiltered */, NullGrab))
return (client->noClientException);
}
event.u.u.type = SelectionNotify;
event.u.selectionNotify.time = stuff->time;
event.u.selectionNotify.requestor = stuff->requestor;
event.u.selectionNotify.selection = stuff->selection;
event.u.selectionNotify.target = stuff->target;
event.u.selectionNotify.property = None;
TryClientEvents(client, NULL, &event, 1, NoEventMask,
NoEventMask /* CantBeFiltered */, NullGrab);
return (client->noClientException);
}
else
{
client->errorValue = stuff->property;
return (BadAtom);
}
}
int
ProcGrabServer(ClientPtr client)
{
@@ -3984,54 +3757,6 @@ SendErrorToClient(ClientPtr client, unsigned majorCode, unsigned minorCode,
WriteEventsToClient (client, 1, (xEvent *)&rep);
}
void
DeleteWindowFromAnySelections(WindowPtr pWin)
{
int i;
for (i = 0; i< NumCurrentSelections; i++)
if (CurrentSelections[i].pWin == pWin)
{
if (SelectionCallback)
{
SelectionInfoRec info;
info.selection = &CurrentSelections[i];
info.kind = SelectionWindowDestroy;
CallCallbacks(&SelectionCallback, &info);
}
dixFreePrivates(CurrentSelections[i].devPrivates);
CurrentSelections[i].pWin = (WindowPtr)NULL;
CurrentSelections[i].window = None;
CurrentSelections[i].client = NullClient;
CurrentSelections[i].devPrivates = NULL;
}
}
static void
DeleteClientFromAnySelections(ClientPtr client)
{
int i;
for (i = 0; i< NumCurrentSelections; i++)
if (CurrentSelections[i].client == client)
{
if (SelectionCallback)
{
SelectionInfoRec info;
info.selection = &CurrentSelections[i];
info.kind = SelectionWindowDestroy;
CallCallbacks(&SelectionCallback, &info);
}
dixFreePrivates(CurrentSelections[i].devPrivates);
CurrentSelections[i].pWin = (WindowPtr)NULL;
CurrentSelections[i].window = None;
CurrentSelections[i].client = NullClient;
CurrentSelections[i].devPrivates = NULL;
}
}
void
MarkClientException(ClientPtr client)
{

2
dix/getevents.c
View File

@@ -400,7 +400,7 @@ getValuatorEvents(EventList *events, DeviceIntPtr pDev, int first_valuator,
xv = (deviceValuator*)events->event;
xv->type = DeviceValuator;
xv->first_valuator = i;
xv->num_valuators = ((num_valuators - i) > 6) ? 6 : (num_valuators - i);
xv->num_valuators = ((final_valuator - i) > 6) ? 6 : (final_valuator - i);
xv->deviceid = pDev->id;
switch (final_valuator - i) {
case 6:

16
dix/main.c
View File

@@ -93,6 +93,7 @@ Equipment Corporation.
#include "colormap.h"
#include "colormapst.h"
#include "cursorstr.h"
#include "selection.h"
#include <X11/fonts/font.h>
#include "opaque.h"
#include "servermd.h"
@@ -112,6 +113,9 @@ Equipment Corporation.
#include "dispatch.h" /* InitProcVectors() */
#endif
#include <pthread.h>
pthread_key_t threadname_key=0;
#ifdef DPMSExtension
#define DPMS_SERVER
#include <X11/extensions/dpms.h>
@@ -247,6 +251,17 @@ main(int argc, char *argv[], char *envp[])
char *xauthfile;
HWEventQueueType alwaysCheckForInput[2];
if(threadname_key == 0) ErrorF("pthread_key_create returned %d\n", pthread_key_create(&threadname_key, NULL));
ErrorF("threadname_key = %d\n", threadname_key);
if(pthread_getspecific(threadname_key) == NULL) {
char *nameptr = malloc(32);
sprintf(nameptr, "main thread %d", random());
// strcpy(nameptr, "main thread");
ErrorF("calling: pthread_setspecific(%d, %s)=%d\n", threadname_key, nameptr, pthread_setspecific(threadname_key, nameptr));
if (pthread_getspecific(threadname_key) != NULL) ErrorF("current thread: %s\n", (char *)pthread_getspecific(threadname_key));
} else {
if (pthread_getspecific(threadname_key) != NULL) ErrorF("thread was already: %s\n", (char *)pthread_getspecific(threadname_key));
}
display = "0";
InitGlobals();
@@ -346,6 +361,7 @@ main(int argc, char *argv[], char *envp[])
InitAtoms();
InitEvents();
InitSelections();
InitGlyphCaching();
if (!dixResetPrivates())
FatalError("couldn't init private data storage");

225
dix/property.c
View File

@@ -63,11 +63,10 @@ SOFTWARE.
/*****************************************************************
* Property Stuff
*
* ChangeProperty, DeleteProperty, GetProperties,
* ListProperties
* dixLookupProperty, dixChangeProperty, DeleteProperty
*
* Properties below to windows. A allocate slots each time
* a property is added. No fancy searching done.
* Properties belong to windows. The list of properties should not be
* traversed directly. Instead, use the three functions listed above.
*
*****************************************************************/
@@ -91,17 +90,22 @@ PrintPropertys(WindowPtr pWin)
}
#endif
static _X_INLINE PropertyPtr
FindProperty(WindowPtr pWin, Atom propertyName)
_X_EXPORT int
dixLookupProperty(PropertyPtr *result, WindowPtr pWin, Atom propertyName,
ClientPtr client, Mask access_mode)
{
PropertyPtr pProp = wUserProps(pWin);
while (pProp)
{
PropertyPtr pProp;
int rc = BadMatch;
client->errorValue = propertyName;
for (pProp = wUserProps(pWin); pProp; pProp = pProp->next)
if (pProp->propertyName == propertyName)
break;
pProp = pProp->next;
}
return pProp;
if (pProp)
rc = XaceHookPropertyAccess(client, pWin, &pProp, access_mode);
*result = pProp;
return rc;
}
static void
@@ -125,65 +129,69 @@ ProcRotateProperties(ClientPtr client)
WindowPtr pWin;
Atom * atoms;
PropertyPtr * props; /* array of pointer */
PropertyPtr pProp;
PropertyPtr pProp, saved;
REQUEST_FIXED_SIZE(xRotatePropertiesReq, stuff->nAtoms << 2);
UpdateCurrentTime();
rc = dixLookupWindow(&pWin, stuff->window, client, DixSetPropAccess);
if (rc != Success)
if (rc != Success || stuff->nAtoms <= 0)
return rc;
if (!stuff->nAtoms)
return(Success);
atoms = (Atom *) & stuff[1];
props = (PropertyPtr *)xalloc(stuff->nAtoms * sizeof(PropertyPtr));
if (!props)
return(BadAlloc);
saved = (PropertyPtr)xalloc(stuff->nAtoms * sizeof(PropertyRec));
if (!props || !saved) {
rc = BadAlloc;
goto out;
}
for (i = 0; i < stuff->nAtoms; i++)
{
if (!ValidAtom(atoms[i])) {
xfree(props);
rc = BadAtom;
client->errorValue = atoms[i];
return BadAtom;
goto out;
}
for (j = i + 1; j < stuff->nAtoms; j++)
if (atoms[j] == atoms[i])
{
xfree(props);
return BadMatch;
rc = BadMatch;
goto out;
}
pProp = FindProperty(pWin, atoms[i]);
if (!pProp) {
xfree(props);
return BadMatch;
}
rc = XaceHookPropertyAccess(client, pWin, pProp,
DixReadAccess|DixWriteAccess);
if (rc != Success) {
xfree(props);
client->errorValue = atoms[i];
return rc;
}
rc = dixLookupProperty(&pProp, pWin, atoms[i], client,
DixReadAccess|DixWriteAccess);
if (rc != Success)
goto out;
props[i] = pProp;
saved[i] = *pProp;
}
delta = stuff->nPositions;
/* If the rotation is a complete 360 degrees, then moving the properties
around and generating PropertyNotify events should be skipped. */
if ( (stuff->nAtoms != 0) && (abs(delta) % stuff->nAtoms) != 0 )
if (abs(delta) % stuff->nAtoms)
{
while (delta < 0) /* faster if abs value is small */
delta += stuff->nAtoms;
for (i = 0; i < stuff->nAtoms; i++)
{
deliverPropertyNotifyEvent(pWin, PropertyNewValue,
props[i]->propertyName);
props[i]->propertyName = atoms[(i + delta) % stuff->nAtoms];
j = (i + delta) % stuff->nAtoms;
deliverPropertyNotifyEvent(pWin, PropertyNewValue, atoms[i]);
/* Preserve name and devPrivates */
props[j]->type = saved[i].type;
props[j]->format = saved[i].format;
props[j]->size = saved[i].size;
props[j]->data = saved[i].data;
}
}
out:
xfree(saved);
xfree(props);
return Success;
return rc;
}
int
@@ -248,14 +256,16 @@ dixChangeWindowProperty(ClientPtr pClient, WindowPtr pWin, Atom property,
PropertyPtr pProp;
int sizeInBytes, totalSize, rc;
pointer data;
Mask access_mode;
sizeInBytes = format>>3;
totalSize = len * sizeInBytes;
access_mode = (mode == PropModeReplace) ? DixWriteAccess : DixBlendAccess;
/* first see if property already exists */
pProp = FindProperty(pWin, property);
rc = dixLookupProperty(&pProp, pWin, property, pClient, access_mode);
if (!pProp) /* just add to list */
if (rc == BadMatch) /* just add to list */
{
if (!pWin->optional && !MakeWindowOptional (pWin))
return(BadAlloc);
@@ -276,7 +286,7 @@ dixChangeWindowProperty(ClientPtr pClient, WindowPtr pWin, Atom property,
memmove((char *)data, (char *)value, totalSize);
pProp->size = len;
pProp->devPrivates = NULL;
rc = XaceHookPropertyAccess(pClient, pWin, pProp,
rc = XaceHookPropertyAccess(pClient, pWin, &pProp,
DixCreateAccess|DixWriteAccess);
if (rc != Success) {
xfree(data);
@@ -287,13 +297,8 @@ dixChangeWindowProperty(ClientPtr pClient, WindowPtr pWin, Atom property,
pProp->next = pWin->optional->userProps;
pWin->optional->userProps = pProp;
}
else
else if (rc == Success)
{
rc = XaceHookPropertyAccess(pClient, pWin, pProp, DixWriteAccess);
if (rc != Success) {
pClient->errorValue = property;
return rc;
}
/* 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
@@ -347,6 +352,8 @@ dixChangeWindowProperty(ClientPtr pClient, WindowPtr pWin, Atom property,
pProp->size += len;
}
}
else
return rc;
if (sendevent)
deliverPropertyNotifyEvent(pWin, PropertyNewValue, pProp->propertyName);
@@ -369,37 +376,29 @@ DeleteProperty(ClientPtr client, WindowPtr pWin, Atom propName)
PropertyPtr pProp, prevProp;
int rc;
if (!(pProp = wUserProps (pWin)))
return(Success);
prevProp = (PropertyPtr)NULL;
while (pProp)
{
if (pProp->propertyName == propName)
break;
prevProp = pProp;
pProp = pProp->next;
}
if (pProp)
{
rc = XaceHookPropertyAccess(client, pWin, pProp, DixDestroyAccess);
if (rc != Success)
return rc;
rc = dixLookupProperty(&pProp, pWin, propName, client, DixDestroyAccess);
if (rc == BadMatch)
return Success; /* Succeed if property does not exist */
if (prevProp == (PropertyPtr)NULL) /* takes care of head */
{
if (rc == Success) {
if (pWin->optional->userProps == pProp) {
/* Takes care of head */
if (!(pWin->optional->userProps = pProp->next))
CheckWindowOptionalNeed (pWin);
}
else
{
prevProp->next = pProp->next;
}
} else {
/* Need to traverse to find the previous element */
prevProp = pWin->optional->userProps;
while (prevProp->next != pProp)
prevProp = prevProp->next;
prevProp->next = pProp->next;
}
deliverPropertyNotifyEvent(pWin, PropertyDelete, pProp->propertyName);
dixFreePrivates(pProp->devPrivates);
xfree(pProp->data);
xfree(pProp);
}
return(Success);
return rc;
}
void
@@ -453,15 +452,16 @@ ProcGetProperty(ClientPtr client)
int rc;
WindowPtr pWin;
xGetPropertyReply reply;
Mask access_mode = DixGetPropAccess;
Mask win_mode = DixGetPropAccess, prop_mode = DixReadAccess;
REQUEST(xGetPropertyReq);
REQUEST_SIZE_MATCH(xGetPropertyReq);
if (stuff->delete) {
UpdateCurrentTime();
access_mode |= DixSetPropAccess;
win_mode |= DixSetPropAccess;
prop_mode |= DixDestroyAccess;
}
rc = dixLookupWindow(&pWin, stuff->window, client, access_mode);
rc = dixLookupWindow(&pWin, stuff->window, client, win_mode);
if (rc != Success)
return rc;
@@ -481,30 +481,14 @@ ProcGetProperty(ClientPtr client)
return(BadAtom);
}
pProp = wUserProps (pWin);
prevProp = (PropertyPtr)NULL;
while (pProp)
{
if (pProp->propertyName == stuff->property)
break;
prevProp = pProp;
pProp = pProp->next;
}
reply.type = X_Reply;
reply.sequenceNumber = client->sequence;
if (!pProp)
rc = dixLookupProperty(&pProp, pWin, stuff->property, client, prop_mode);
if (rc == BadMatch)
return NullPropertyReply(client, None, 0, &reply);
access_mode = DixReadAccess;
if (stuff->delete)
access_mode |= DixDestroyAccess;
rc = XaceHookPropertyAccess(client, pWin, pProp, access_mode);
if (rc != Success) {
client->errorValue = stuff->property;
else if (rc != Success)
return rc;
}
/* If the request type and actual type don't match. Return the
property information, but not the data. */
@@ -560,15 +544,20 @@ ProcGetProperty(ClientPtr client)
(char *)pProp->data + ind);
}
if (stuff->delete && (reply.bytesAfter == 0))
{ /* delete the Property */
if (prevProp == (PropertyPtr)NULL) /* takes care of head */
{
if (!(pWin->optional->userProps = pProp->next))
if (stuff->delete && (reply.bytesAfter == 0)) {
/* Delete the Property */
if (pWin->optional->userProps == pProp) {
/* Takes care of head */
if (!(pWin->optional->userProps = pProp->next))
CheckWindowOptionalNeed (pWin);
}
else
} else {
/* Need to traverse to find the previous element */
prevProp = pWin->optional->userProps;
while (prevProp->next != pProp)
prevProp = prevProp->next;
prevProp->next = pProp->next;
}
dixFreePrivates(pProp->devPrivates);
xfree(pProp->data);
xfree(pProp);
@@ -583,7 +572,7 @@ ProcListProperties(ClientPtr client)
xListPropertiesReply xlpr;
int rc, numProps = 0;
WindowPtr pWin;
PropertyPtr pProp;
PropertyPtr pProp, realProp;
REQUEST(xResourceReq);
REQUEST_SIZE_MATCH(xResourceReq);
@@ -591,34 +580,34 @@ ProcListProperties(ClientPtr client)
if (rc != Success)
return rc;
pProp = wUserProps (pWin);
while (pProp)
{
pProp = pProp->next;
for (pProp = wUserProps(pWin); pProp; pProp = pProp->next)
numProps++;
if (numProps && !(pAtoms = (Atom *)xalloc(numProps * sizeof(Atom))))
return BadAlloc;
numProps = 0;
temppAtoms = pAtoms;
for (pProp = wUserProps(pWin); pProp; pProp = pProp->next) {
realProp = pProp;
rc = XaceHookPropertyAccess(client, pWin, &realProp, DixGetAttrAccess);
if (rc == Success && realProp == pProp) {
*temppAtoms++ = pProp->propertyName;
numProps++;
}
}
if (numProps)
if(!(pAtoms = (Atom *)xalloc(numProps * sizeof(Atom))))
return(BadAlloc);
xlpr.type = X_Reply;
xlpr.nProperties = numProps;
xlpr.length = (numProps * sizeof(Atom)) >> 2;
xlpr.sequenceNumber = client->sequence;
pProp = wUserProps (pWin);
temppAtoms = pAtoms;
while (pProp)
{
*temppAtoms++ = pProp->propertyName;
pProp = pProp->next;
}
WriteReplyToClient(client, sizeof(xGenericReply), &xlpr);
if (numProps)
{
client->pSwapReplyFunc = (ReplySwapPtr)Swap32Write;
WriteSwappedDataToClient(client, numProps * sizeof(Atom), pAtoms);
xfree(pAtoms);
}
xfree(pAtoms);
return(client->noClientException);
}

311
dix/selection.c Normal file
View File

@@ -0,0 +1,311 @@
/************************************************************
Copyright 1987, 1989, 1998 The Open Group
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.
The above copyright notice and this permission notice shall be included in
all copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
OPEN GROUP BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
Except as contained in this notice, the name of The Open Group shall not be
used in advertising or otherwise to promote the sale, use or other dealings
in this Software without prior written authorization from The Open Group.
Copyright 1987, 1989 by Digital Equipment Corporation, Maynard, Massachusetts.
All Rights Reserved
Permission to use, copy, modify, and distribute this software and its
documentation for any purpose and without fee is hereby granted,
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 Digital not be
used in advertising or publicity pertaining to distribution of the
software without specific, written prior permission.
DIGITAL DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING
ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO EVENT SHALL
DIGITAL 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.
********************************************************/
#ifdef HAVE_DIX_CONFIG_H
#include <dix-config.h>
#endif
#include "windowstr.h"
#include "dixstruct.h"
#include "dispatch.h"
#include "selection.h"
#include "xace.h"
/*****************************************************************
* Selection Stuff
*
* dixLookupSelection
*
* Selections are global to the server. The list of selections should
* not be traversed directly. Instead, use the functions listed above.
*
*****************************************************************/
_X_EXPORT Selection *CurrentSelections;
CallbackListPtr SelectionCallback;
_X_EXPORT int
dixLookupSelection(Selection **result, Atom selectionName,
ClientPtr client, Mask access_mode)
{
Selection *pSel;
int rc = BadMatch;
client->errorValue = selectionName;
for (pSel = CurrentSelections; pSel; pSel = pSel->next)
if (pSel->selection == selectionName)
break;
if (pSel)
rc = XaceHookSelectionAccess(client, &pSel, access_mode);
*result = pSel;
return rc;
}
void
InitSelections(void)
{
Selection *pSel, *pNextSel;
pSel = CurrentSelections;
while (pSel) {
pNextSel = pSel->next;
dixFreePrivates(pSel->devPrivates);
xfree(pSel);
pSel = pNextSel;
}
CurrentSelections = NULL;
}
static _X_INLINE void
CallSelectionCallback(Selection *pSel, ClientPtr client,
SelectionCallbackKind kind)
{
SelectionInfoRec info = { pSel, client, kind };
CallCallbacks(&SelectionCallback, &info);
}
void
DeleteWindowFromAnySelections(WindowPtr pWin)
{
Selection *pSel;
for (pSel = CurrentSelections; pSel; pSel = pSel->next)
if (pSel->pWin == pWin) {
CallSelectionCallback(pSel, NULL, SelectionWindowDestroy);
pSel->pWin = (WindowPtr)NULL;
pSel->window = None;
pSel->client = NullClient;
}
}
void
DeleteClientFromAnySelections(ClientPtr client)
{
Selection *pSel;
for (pSel = CurrentSelections; pSel; pSel = pSel->next)
if (pSel->client == client) {
CallSelectionCallback(pSel, NULL, SelectionClientClose);
pSel->pWin = (WindowPtr)NULL;
pSel->window = None;
pSel->client = NullClient;
}
}
int
ProcSetSelectionOwner(ClientPtr client)
{
WindowPtr pWin = NULL;
TimeStamp time;
Selection *pSel;
int rc;
REQUEST(xSetSelectionOwnerReq);
REQUEST_SIZE_MATCH(xSetSelectionOwnerReq);
UpdateCurrentTime();
time = ClientTimeToServerTime(stuff->time);
/* If the client's time stamp is in the future relative to the server's
time stamp, do not set the selection, just return success. */
if (CompareTimeStamps(time, currentTime) == LATER)
return Success;
if (stuff->window != None) {
rc = dixLookupWindow(&pWin, stuff->window, client, DixSetAttrAccess);
if (rc != Success)
return rc;
}
if (!ValidAtom(stuff->selection)) {
client->errorValue = stuff->selection;
return BadAtom;
}
/*
* First, see if the selection is already set...
*/
rc = dixLookupSelection(&pSel, stuff->selection, client, DixSetAttrAccess);
if (rc == Success) {
xEvent event;
/* If the timestamp in client's request is in the past relative
to the time stamp indicating the last time the owner of the
selection was set, do not set the selection, just return
success. */
if (CompareTimeStamps(time, pSel->lastTimeChanged) == EARLIER)
return Success;
if (pSel->client && (!pWin || (pSel->client != client)))
{
event.u.u.type = SelectionClear;
event.u.selectionClear.time = time.milliseconds;
event.u.selectionClear.window = pSel->window;
event.u.selectionClear.atom = pSel->selection;
TryClientEvents(pSel->client, NULL, &event, 1, NoEventMask,
NoEventMask /* CantBeFiltered */, NullGrab);
}
}
else if (rc == BadMatch)
{
/*
* It doesn't exist, so add it...
*/
pSel = xalloc(sizeof(Selection));
if (!pSel)
return BadAlloc;
pSel->selection = stuff->selection;
pSel->devPrivates = NULL;
/* security creation/labeling check */
rc = XaceHookSelectionAccess(client, &pSel,
DixCreateAccess|DixSetAttrAccess);
if (rc != Success) {
xfree(pSel);
return rc;
}
pSel->next = CurrentSelections;
CurrentSelections = pSel;
}
else
return rc;
pSel->lastTimeChanged = time;
pSel->window = stuff->window;
pSel->pWin = pWin;
pSel->client = (pWin ? client : NullClient);
CallSelectionCallback(pSel, client, SelectionSetOwner);
return client->noClientException;
}
int
ProcGetSelectionOwner(ClientPtr client)
{
int rc;
Selection *pSel;
xGetSelectionOwnerReply reply;
REQUEST(xResourceReq);
REQUEST_SIZE_MATCH(xResourceReq);
if (!ValidAtom(stuff->id)) {
client->errorValue = stuff->id;
return BadAtom;
}
reply.type = X_Reply;
reply.length = 0;
reply.sequenceNumber = client->sequence;
rc = dixLookupSelection(&pSel, stuff->id, client, DixGetAttrAccess);
if (rc == Success)
reply.owner = pSel->window;
else if (rc == BadMatch)
reply.owner = None;
else
return rc;
WriteReplyToClient(client, sizeof(xGetSelectionOwnerReply), &reply);
return client->noClientException;
}
int
ProcConvertSelection(ClientPtr client)
{
Bool paramsOkay;
xEvent event;
WindowPtr pWin;
Selection *pSel;
int rc;
REQUEST(xConvertSelectionReq);
REQUEST_SIZE_MATCH(xConvertSelectionReq);
rc = dixLookupWindow(&pWin, stuff->requestor, client, DixSetAttrAccess);
if (rc != Success)
return rc;
paramsOkay = ValidAtom(stuff->selection) && ValidAtom(stuff->target);
paramsOkay &= (stuff->property == None) || ValidAtom(stuff->property);
if (!paramsOkay) {
client->errorValue = stuff->property;
return BadAtom;
}
rc = dixLookupSelection(&pSel, stuff->selection, client, DixReadAccess);
if (rc != Success && rc != BadMatch)
return rc;
else if (rc == Success && pSel->window != None) {
event.u.u.type = SelectionRequest;
event.u.selectionRequest.owner = pSel->window;
event.u.selectionRequest.time = stuff->time;
event.u.selectionRequest.requestor = stuff->requestor;
event.u.selectionRequest.selection = stuff->selection;
event.u.selectionRequest.target = stuff->target;
event.u.selectionRequest.property = stuff->property;
if (TryClientEvents(pSel->client, NULL, &event, 1, NoEventMask,
NoEventMask /* CantBeFiltered */, NullGrab))
return client->noClientException;
}
event.u.u.type = SelectionNotify;
event.u.selectionNotify.time = stuff->time;
event.u.selectionNotify.requestor = stuff->requestor;
event.u.selectionNotify.selection = stuff->selection;
event.u.selectionNotify.target = stuff->target;
event.u.selectionNotify.property = None;
TryClientEvents(client, NULL, &event, 1, NoEventMask,
NoEventMask /* CantBeFiltered */, NullGrab);
return client->noClientException;
}