GlyphSetPtr
AllocateGlyphSet(int fdepth, PictFormatPtr format)
{
GlyphSetPtr glyphSet;
if (!globalGlyphs[fdepth].hashSet) {
if (!AllocateGlyphHash(&globalGlyphs[fdepth], &glyphHashSets[0]))
return FALSE;
}
glyphSet = dixAllocateObjectWithPrivates(GlyphSetRec, PRIVATE_GLYPHSET);
if (!glyphSet)
return FALSE;
if (!AllocateGlyphHash(&glyphSet->hash, &glyphHashSets[0])) {
free(glyphSet);
return FALSE;
}
glyphSet->refcnt = 1;
glyphSet->fdepth = fdepth;
glyphSet->format = format;
return glyphSet;
}
if (rc != Success)
return rc;
rc = dixLookupSelection(&pSel, selection, serverClient, DixSetAttrAccess);
if (rc == Success) {
if (pSel->client && (pSel->client != serverClient)) {
xEvent event = {
.u.selectionClear.time = currentTime.milliseconds,
.u.selectionClear.window = pSel->window,
.u.selectionClear.atom = pSel->selection
};
event.u.u.type = SelectionClear;
WriteEventsToClient(pSel->client, 1, &event);
}
} else if (rc == BadMatch) {
pSel = dixAllocateObjectWithPrivates(Selection, PRIVATE_SELECTION);
if (!pSel)
return BadAlloc;
pSel->selection = selection;
rc = XaceHookSelectionAccess(serverClient, &pSel,
DixCreateAccess | DixSetAttrAccess);
if (rc != Success) {
free(pSel);
return rc;
}
pSel->next = CurrentSelections;
CurrentSelections = pSel;
}
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) {
/* 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))) {
xEvent event;
event.u.selectionClear.time = time.milliseconds;
event.u.selectionClear.window = pSel->window;
event.u.selectionClear.atom = pSel->selection;
event.u.u.type = SelectionClear;
WriteEventsToClient(pSel->client, 1, &event);
}
}
else if (rc == BadMatch) {
/*
* It doesn't exist, so add it...
*/
pSel = dixAllocateObjectWithPrivates(Selection, PRIVATE_SELECTION);
if (!pSel)
return BadAlloc;
pSel->selection = stuff->selection;
/* security creation/labeling check */
rc = XaceHookSelectionAccess(client, &pSel,
DixCreateAccess | DixSetAttrAccess);
if (rc != Success) {
free(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 Success;
}
