From 3562e78743202e43aec8727005182a2558117eca Mon Sep 17 00:00:00 2001 From: marha Date: Sun, 28 Jun 2009 22:07:26 +0000 Subject: Checked in the following released items: xkeyboard-config-1.4.tar.gz ttf-bitstream-vera-1.10.tar.gz font-alias-1.0.1.tar.gz font-sun-misc-1.0.0.tar.gz font-sun-misc-1.0.0.tar.gz font-sony-misc-1.0.0.tar.gz font-schumacher-misc-1.0.0.tar.gz font-mutt-misc-1.0.0.tar.gz font-misc-misc-1.0.0.tar.gz font-misc-meltho-1.0.0.tar.gz font-micro-misc-1.0.0.tar.gz font-jis-misc-1.0.0.tar.gz font-isas-misc-1.0.0.tar.gz font-dec-misc-1.0.0.tar.gz font-daewoo-misc-1.0.0.tar.gz font-cursor-misc-1.0.0.tar.gz font-arabic-misc-1.0.0.tar.gz font-winitzki-cyrillic-1.0.0.tar.gz font-misc-cyrillic-1.0.0.tar.gz font-cronyx-cyrillic-1.0.0.tar.gz font-screen-cyrillic-1.0.1.tar.gz font-xfree86-type1-1.0.1.tar.gz font-adobe-utopia-type1-1.0.1.tar.gz font-ibm-type1-1.0.0.tar.gz font-bitstream-type1-1.0.0.tar.gz font-bitstream-speedo-1.0.0.tar.gz font-bh-ttf-1.0.0.tar.gz font-bh-type1-1.0.0.tar.gz font-bitstream-100dpi-1.0.0.tar.gz font-bh-lucidatypewriter-100dpi-1.0.0.tar.gz font-bh-100dpi-1.0.0.tar.gz font-adobe-utopia-100dpi-1.0.1.tar.gz font-adobe-100dpi-1.0.0.tar.gz font-util-1.0.1.tar.gz font-bitstream-75dpi-1.0.0.tar.gz font-bh-lucidatypewriter-75dpi-1.0.0.tar.gz font-adobe-utopia-75dpi-1.0.1.tar.gz font-bh-75dpi-1.0.0.tar.gz bdftopcf-1.0.1.tar.gz font-adobe-75dpi-1.0.0.tar.gz mkfontscale-1.0.6.tar.gz openssl-0.9.8k.tar.gz bigreqsproto-1.0.2.tar.gz xtrans-1.2.2.tar.gz resourceproto-1.0.2.tar.gz inputproto-1.4.4.tar.gz compositeproto-0.4.tar.gz damageproto-1.1.0.tar.gz zlib-1.2.3.tar.gz xkbcomp-1.0.5.tar.gz freetype-2.3.9.tar.gz pthreads-w32-2-8-0-release.tar.gz pixman-0.12.0.tar.gz kbproto-1.0.3.tar.gz evieext-1.0.2.tar.gz fixesproto-4.0.tar.gz recordproto-1.13.2.tar.gz randrproto-1.2.2.tar.gz scrnsaverproto-1.1.0.tar.gz renderproto-0.9.3.tar.gz xcmiscproto-1.1.2.tar.gz fontsproto-2.0.2.tar.gz xextproto-7.0.3.tar.gz xproto-7.0.14.tar.gz libXdmcp-1.0.2.tar.gz libxkbfile-1.0.5.tar.gz libfontenc-1.0.4.tar.gz libXfont-1.3.4.tar.gz libX11-1.1.5.tar.gz libXau-1.0.4.tar.gz libxcb-1.1.tar.gz xorg-server-1.5.3.tar.gz --- xorg-server/dix/selection.c | 311 ++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 311 insertions(+) create mode 100644 xorg-server/dix/selection.c (limited to 'xorg-server/dix/selection.c') diff --git a/xorg-server/dix/selection.c b/xorg-server/dix/selection.c new file mode 100644 index 000000000..6a9198e96 --- /dev/null +++ b/xorg-server/dix/selection.c @@ -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 +#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, &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, &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, &event, 1, NoEventMask, + NoEventMask /* CantBeFiltered */, NullGrab); + return client->noClientException; +} -- cgit v1.2.3