695 lines
20 KiB
C
695 lines
20 KiB
C
/*
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Copyright 1992, 1998 The Open Group
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Permission to use, copy, modify, distribute, and sell this software and its
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documentation for any purpose is hereby granted without fee, provided that
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the above copyright notice appear in all copies and that both that
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copyright notice and this permission notice appear in supporting
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documentation.
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The above copyright notice and this permission notice shall be included
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in all copies or substantial portions of the Software.
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THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
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OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
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IN NO EVENT SHALL THE OPEN GROUP BE LIABLE FOR ANY CLAIM, DAMAGES OR
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OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
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ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
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OTHER DEALINGS IN THE SOFTWARE.
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Except as contained in this notice, the name of The Open Group shall
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not be used in advertising or otherwise to promote the sale, use or
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other dealings in this Software without prior written authorization
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from The Open Group.
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*/
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#ifdef HAVE_DIX_CONFIG_H
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#include <dix-config.h>
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#endif
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#include <X11/X.h>
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#include <X11/Xproto.h>
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#include <X11/Xatom.h>
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#include "misc.h"
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#include "os.h"
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#include "dixstruct.h"
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#include "extnsionst.h"
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#include "windowstr.h"
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#include "inputstr.h"
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#include "scrnintstr.h"
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#include "dixevents.h"
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#include "sleepuntil.h"
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#include "mi.h"
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#include "xkbsrv.h"
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#include "xkbstr.h"
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#include <X11/extensions/xtestproto.h>
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#include <X11/extensions/XI.h>
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#include <X11/extensions/XIproto.h>
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#include "exglobals.h"
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#include "mipointer.h"
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#include "xserver-properties.h"
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#include "exevents.h"
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#include "eventstr.h"
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#include "inpututils.h"
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#include "extinit.h"
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/* XTest events are sent during request processing and may be interruped by
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* a SIGIO. We need a separate event list to avoid events overwriting each
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* other's memory */
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static InternalEvent *xtest_evlist;
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/**
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* xtestpointer
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* is the virtual pointer for XTest. It is the first slave
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* device of the VCP.
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* xtestkeyboard
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* is the virtual keyboard for XTest. It is the first slave
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* device of the VCK
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*
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* Neither of these devices can be deleted.
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*/
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DeviceIntPtr xtestpointer, xtestkeyboard;
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#ifdef PANORAMIX
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#include "panoramiX.h"
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#include "panoramiXsrv.h"
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#endif
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static int XTestSwapFakeInput(ClientPtr /* client */ ,
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xReq * /* req */
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);
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static int
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ProcXTestGetVersion(ClientPtr client)
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{
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xXTestGetVersionReply rep = {
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.type = X_Reply,
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.sequenceNumber = client->sequence,
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.length = 0,
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.majorVersion = XTestMajorVersion,
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.minorVersion = XTestMinorVersion
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};
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REQUEST_SIZE_MATCH(xXTestGetVersionReq);
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if (client->swapped) {
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swaps(&rep.sequenceNumber);
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swaps(&rep.minorVersion);
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}
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WriteToClient(client, sizeof(xXTestGetVersionReply), &rep);
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return Success;
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}
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static int
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ProcXTestCompareCursor(ClientPtr client)
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{
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REQUEST(xXTestCompareCursorReq);
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xXTestCompareCursorReply rep;
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WindowPtr pWin;
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CursorPtr pCursor;
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int rc;
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DeviceIntPtr ptr = PickPointer(client);
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REQUEST_SIZE_MATCH(xXTestCompareCursorReq);
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rc = dixLookupWindow(&pWin, stuff->window, client, DixGetAttrAccess);
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if (rc != Success)
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return rc;
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if (!ptr)
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return BadAccess;
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if (stuff->cursor == None)
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pCursor = NullCursor;
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else if (stuff->cursor == XTestCurrentCursor)
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pCursor = GetSpriteCursor(ptr);
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else {
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rc = dixLookupResourceByType((pointer *) &pCursor, stuff->cursor,
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RT_CURSOR, client, DixReadAccess);
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if (rc != Success) {
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client->errorValue = stuff->cursor;
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return rc;
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}
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}
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rep = (xXTestCompareCursorReply) {
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.type = X_Reply,
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.sequenceNumber = client->sequence,
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.length = 0,
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.same = (wCursor(pWin) == pCursor)
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};
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if (client->swapped) {
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swaps(&rep.sequenceNumber);
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}
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WriteToClient(client, sizeof(xXTestCompareCursorReply), &rep);
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return Success;
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}
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static int
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ProcXTestFakeInput(ClientPtr client)
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{
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REQUEST(xXTestFakeInputReq);
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int nev, n, type, rc;
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xEvent *ev;
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DeviceIntPtr dev = NULL;
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WindowPtr root;
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Bool extension = FALSE;
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ValuatorMask mask;
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int valuators[MAX_VALUATORS] = { 0 };
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int numValuators = 0;
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int firstValuator = 0;
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int nevents = 0;
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int i;
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int base = 0;
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int flags = 0;
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int need_ptr_update = 1;
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nev = (stuff->length << 2) - sizeof(xReq);
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if ((nev % sizeof(xEvent)) || !nev)
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return BadLength;
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nev /= sizeof(xEvent);
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UpdateCurrentTime();
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ev = (xEvent *) &((xReq *) stuff)[1];
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type = ev->u.u.type & 0177;
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if (type >= EXTENSION_EVENT_BASE) {
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extension = TRUE;
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/* check device */
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rc = dixLookupDevice(&dev, stuff->deviceid & 0177, client,
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DixWriteAccess);
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if (rc != Success) {
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client->errorValue = stuff->deviceid & 0177;
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return rc;
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}
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/* check type */
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type -= DeviceValuator;
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switch (type) {
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case XI_DeviceKeyPress:
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case XI_DeviceKeyRelease:
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if (!dev->key) {
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client->errorValue = ev->u.u.type;
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return BadValue;
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}
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break;
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case XI_DeviceButtonPress:
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case XI_DeviceButtonRelease:
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if (!dev->button) {
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client->errorValue = ev->u.u.type;
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return BadValue;
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}
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break;
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case XI_DeviceMotionNotify:
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if (!dev->valuator) {
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client->errorValue = ev->u.u.type;
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return BadValue;
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}
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break;
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case XI_ProximityIn:
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case XI_ProximityOut:
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if (!dev->proximity) {
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client->errorValue = ev->u.u.type;
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return BadValue;
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}
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break;
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default:
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client->errorValue = ev->u.u.type;
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return BadValue;
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}
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/* check validity */
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if (nev == 1 && type == XI_DeviceMotionNotify)
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return BadLength; /* DevMotion must be followed by DevValuator */
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if (type == XI_DeviceMotionNotify) {
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firstValuator = ((deviceValuator *) (ev + 1))->first_valuator;
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if (firstValuator > dev->valuator->numAxes) {
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client->errorValue = ev->u.u.type;
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return BadValue;
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}
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if (ev->u.u.detail == xFalse)
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flags |= POINTER_ABSOLUTE;
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}
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else {
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firstValuator = 0;
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flags |= POINTER_ABSOLUTE;
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}
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if (nev > 1 && !dev->valuator) {
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client->errorValue = firstValuator;
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return BadValue;
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}
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/* check validity of valuator events */
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base = firstValuator;
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for (n = 1; n < nev; n++) {
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deviceValuator *dv = (deviceValuator *) (ev + n);
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if (dv->type != DeviceValuator) {
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client->errorValue = dv->type;
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return BadValue;
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}
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if (dv->first_valuator != base) {
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client->errorValue = dv->first_valuator;
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return BadValue;
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}
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switch (dv->num_valuators) {
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case 6:
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valuators[base + 5] = dv->valuator5;
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case 5:
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valuators[base + 4] = dv->valuator4;
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case 4:
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valuators[base + 3] = dv->valuator3;
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case 3:
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valuators[base + 2] = dv->valuator2;
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case 2:
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valuators[base + 1] = dv->valuator1;
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case 1:
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valuators[base] = dv->valuator0;
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break;
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default:
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client->errorValue = dv->num_valuators;
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return BadValue;
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}
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base += dv->num_valuators;
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numValuators += dv->num_valuators;
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if (firstValuator + numValuators > dev->valuator->numAxes) {
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client->errorValue = dv->num_valuators;
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return BadValue;
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}
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}
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type = type - XI_DeviceKeyPress + KeyPress;
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}
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else {
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if (nev != 1)
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return BadLength;
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switch (type) {
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case KeyPress:
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case KeyRelease:
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dev = PickKeyboard(client);
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break;
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case ButtonPress:
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case ButtonRelease:
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dev = PickPointer(client);
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break;
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case MotionNotify:
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dev = PickPointer(client);
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valuators[0] = ev->u.keyButtonPointer.rootX;
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valuators[1] = ev->u.keyButtonPointer.rootY;
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numValuators = 2;
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firstValuator = 0;
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if (ev->u.u.detail == xFalse)
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flags = POINTER_ABSOLUTE | POINTER_DESKTOP;
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break;
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default:
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client->errorValue = ev->u.u.type;
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return BadValue;
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}
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/* Technically the protocol doesn't allow for BadAccess here but
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* this can only happen when all MDs are disabled. */
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if (!dev)
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return BadAccess;
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dev = GetXTestDevice(dev);
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}
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/* If the event has a time set, wait for it to pass */
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if (ev->u.keyButtonPointer.time) {
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TimeStamp activateTime;
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CARD32 ms;
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activateTime = currentTime;
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ms = activateTime.milliseconds + ev->u.keyButtonPointer.time;
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if (ms < activateTime.milliseconds)
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activateTime.months++;
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activateTime.milliseconds = ms;
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ev->u.keyButtonPointer.time = 0;
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/* see mbuf.c:QueueDisplayRequest (from the deprecated Multibuffer
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* extension) for code similar to this */
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if (!ClientSleepUntil(client, &activateTime, NULL, NULL)) {
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return BadAlloc;
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}
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/* swap the request back so we can simply re-execute it */
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if (client->swapped) {
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(void) XTestSwapFakeInput(client, (xReq *) stuff);
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swaps(&stuff->length);
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}
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ResetCurrentRequest(client);
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client->sequence--;
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return Success;
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}
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switch (type) {
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case KeyPress:
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case KeyRelease:
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if (!dev->key)
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return BadDevice;
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if (ev->u.u.detail < dev->key->xkbInfo->desc->min_key_code ||
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ev->u.u.detail > dev->key->xkbInfo->desc->max_key_code) {
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client->errorValue = ev->u.u.detail;
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return BadValue;
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}
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need_ptr_update = 0;
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break;
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case MotionNotify:
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if (!dev->valuator)
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return BadDevice;
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if (!(extension || ev->u.keyButtonPointer.root == None)) {
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rc = dixLookupWindow(&root, ev->u.keyButtonPointer.root,
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client, DixGetAttrAccess);
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if (rc != Success)
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return rc;
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if (root->parent) {
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client->errorValue = ev->u.keyButtonPointer.root;
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return BadValue;
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}
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/* Add the root window's offset to the valuators */
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if ((flags & POINTER_ABSOLUTE) && firstValuator <= 1 && numValuators > 0) {
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if (firstValuator == 0)
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valuators[0] += root->drawable.pScreen->x;
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if (firstValuator < 2 && firstValuator + numValuators > 1)
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valuators[1 - firstValuator] += root->drawable.pScreen->y;
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}
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}
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if (ev->u.u.detail != xTrue && ev->u.u.detail != xFalse) {
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client->errorValue = ev->u.u.detail;
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return BadValue;
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}
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/* FIXME: Xinerama! */
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break;
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case ButtonPress:
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case ButtonRelease:
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if (!dev->button)
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return BadDevice;
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if (!ev->u.u.detail || ev->u.u.detail > dev->button->numButtons) {
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client->errorValue = ev->u.u.detail;
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return BadValue;
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}
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break;
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}
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if (screenIsSaved == SCREEN_SAVER_ON)
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dixSaveScreens(serverClient, SCREEN_SAVER_OFF, ScreenSaverReset);
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switch (type) {
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case MotionNotify:
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valuator_mask_set_range(&mask, firstValuator, numValuators, valuators);
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nevents = GetPointerEvents(xtest_evlist, dev, type, 0, flags, &mask);
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break;
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case ButtonPress:
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case ButtonRelease:
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valuator_mask_set_range(&mask, firstValuator, numValuators, valuators);
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nevents = GetPointerEvents(xtest_evlist, dev, type, ev->u.u.detail,
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flags, &mask);
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break;
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case KeyPress:
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case KeyRelease:
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nevents =
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GetKeyboardEvents(xtest_evlist, dev, type, ev->u.u.detail, NULL);
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break;
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}
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for (i = 0; i < nevents; i++)
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mieqProcessDeviceEvent(dev, &xtest_evlist[i], miPointerGetScreen(inputInfo.pointer));
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if (need_ptr_update)
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miPointerUpdateSprite(dev);
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return Success;
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}
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static int
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ProcXTestGrabControl(ClientPtr client)
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{
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REQUEST(xXTestGrabControlReq);
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REQUEST_SIZE_MATCH(xXTestGrabControlReq);
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if ((stuff->impervious != xTrue) && (stuff->impervious != xFalse)) {
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client->errorValue = stuff->impervious;
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return BadValue;
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}
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if (stuff->impervious)
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MakeClientGrabImpervious(client);
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else
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MakeClientGrabPervious(client);
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return Success;
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}
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static int
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ProcXTestDispatch(ClientPtr client)
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{
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REQUEST(xReq);
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switch (stuff->data) {
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case X_XTestGetVersion:
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return ProcXTestGetVersion(client);
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case X_XTestCompareCursor:
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return ProcXTestCompareCursor(client);
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case X_XTestFakeInput:
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return ProcXTestFakeInput(client);
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case X_XTestGrabControl:
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return ProcXTestGrabControl(client);
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default:
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return BadRequest;
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}
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}
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static int
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SProcXTestGetVersion(ClientPtr client)
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{
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REQUEST(xXTestGetVersionReq);
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swaps(&stuff->length);
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REQUEST_SIZE_MATCH(xXTestGetVersionReq);
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swaps(&stuff->minorVersion);
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return ProcXTestGetVersion(client);
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}
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static int
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SProcXTestCompareCursor(ClientPtr client)
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{
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REQUEST(xXTestCompareCursorReq);
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swaps(&stuff->length);
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REQUEST_SIZE_MATCH(xXTestCompareCursorReq);
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swapl(&stuff->window);
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swapl(&stuff->cursor);
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return ProcXTestCompareCursor(client);
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}
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static int
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XTestSwapFakeInput(ClientPtr client, xReq * req)
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{
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int nev;
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xEvent *ev;
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xEvent sev;
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EventSwapPtr proc;
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nev = ((req->length << 2) - sizeof(xReq)) / sizeof(xEvent);
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for (ev = (xEvent *) &req[1]; --nev >= 0; ev++) {
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/* Swap event */
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proc = EventSwapVector[ev->u.u.type & 0177];
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/* no swapping proc; invalid event type? */
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if (!proc || proc == NotImplemented) {
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client->errorValue = ev->u.u.type;
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return BadValue;
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}
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(*proc) (ev, &sev);
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*ev = sev;
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}
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return Success;
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}
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static int
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SProcXTestFakeInput(ClientPtr client)
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{
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int n;
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REQUEST(xReq);
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swaps(&stuff->length);
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n = XTestSwapFakeInput(client, stuff);
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if (n != Success)
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return n;
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return ProcXTestFakeInput(client);
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}
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static int
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SProcXTestGrabControl(ClientPtr client)
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{
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REQUEST(xXTestGrabControlReq);
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swaps(&stuff->length);
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REQUEST_SIZE_MATCH(xXTestGrabControlReq);
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return ProcXTestGrabControl(client);
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}
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static int
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SProcXTestDispatch(ClientPtr client)
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{
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REQUEST(xReq);
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switch (stuff->data) {
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case X_XTestGetVersion:
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return SProcXTestGetVersion(client);
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case X_XTestCompareCursor:
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return SProcXTestCompareCursor(client);
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case X_XTestFakeInput:
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return SProcXTestFakeInput(client);
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case X_XTestGrabControl:
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return SProcXTestGrabControl(client);
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default:
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return BadRequest;
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|
}
|
|
}
|
|
|
|
/**
|
|
* Allocate an virtual slave device for xtest events, this
|
|
* is a slave device to inputInfo master devices
|
|
*/
|
|
void
|
|
InitXTestDevices(void)
|
|
{
|
|
if (AllocXTestDevice(serverClient, "Virtual core",
|
|
&xtestpointer, &xtestkeyboard,
|
|
inputInfo.pointer, inputInfo.keyboard) != Success)
|
|
FatalError("Failed to allocate XTest devices");
|
|
|
|
if (ActivateDevice(xtestpointer, TRUE) != Success ||
|
|
ActivateDevice(xtestkeyboard, TRUE) != Success)
|
|
FatalError("Failed to activate XTest core devices.");
|
|
if (!EnableDevice(xtestpointer, TRUE) || !EnableDevice(xtestkeyboard, TRUE))
|
|
FatalError("Failed to enable XTest core devices.");
|
|
|
|
AttachDevice(NULL, xtestpointer, inputInfo.pointer);
|
|
|
|
AttachDevice(NULL, xtestkeyboard, inputInfo.keyboard);
|
|
}
|
|
|
|
/**
|
|
* Don't allow changing the XTest property.
|
|
*/
|
|
static int
|
|
DeviceSetXTestProperty(DeviceIntPtr dev, Atom property,
|
|
XIPropertyValuePtr prop, BOOL checkonly)
|
|
{
|
|
if (property == XIGetKnownProperty(XI_PROP_XTEST_DEVICE))
|
|
return BadAccess;
|
|
|
|
return Success;
|
|
}
|
|
|
|
/**
|
|
* Allocate a device pair that is initialised as a slave
|
|
* device with properties that identify the devices as belonging
|
|
* to XTest subsystem.
|
|
* This only creates the pair, Activate/Enable Device
|
|
* still need to be called.
|
|
*/
|
|
int
|
|
AllocXTestDevice(ClientPtr client, const char *name,
|
|
DeviceIntPtr *ptr, DeviceIntPtr *keybd,
|
|
DeviceIntPtr master_ptr, DeviceIntPtr master_keybd)
|
|
{
|
|
int retval;
|
|
char *xtestname;
|
|
char dummy = 1;
|
|
|
|
if (asprintf(&xtestname, "%s XTEST", name) == -1)
|
|
return BadAlloc;
|
|
|
|
retval =
|
|
AllocDevicePair(client, xtestname, ptr, keybd, CorePointerProc,
|
|
CoreKeyboardProc, FALSE);
|
|
if (retval == Success) {
|
|
(*ptr)->xtest_master_id = master_ptr->id;
|
|
(*keybd)->xtest_master_id = master_keybd->id;
|
|
|
|
XIChangeDeviceProperty(*ptr, XIGetKnownProperty(XI_PROP_XTEST_DEVICE),
|
|
XA_INTEGER, 8, PropModeReplace, 1, &dummy,
|
|
FALSE);
|
|
XISetDevicePropertyDeletable(*ptr,
|
|
XIGetKnownProperty(XI_PROP_XTEST_DEVICE),
|
|
FALSE);
|
|
XIRegisterPropertyHandler(*ptr, DeviceSetXTestProperty, NULL, NULL);
|
|
XIChangeDeviceProperty(*keybd, XIGetKnownProperty(XI_PROP_XTEST_DEVICE),
|
|
XA_INTEGER, 8, PropModeReplace, 1, &dummy,
|
|
FALSE);
|
|
XISetDevicePropertyDeletable(*keybd,
|
|
XIGetKnownProperty(XI_PROP_XTEST_DEVICE),
|
|
FALSE);
|
|
XIRegisterPropertyHandler(*keybd, DeviceSetXTestProperty, NULL, NULL);
|
|
}
|
|
|
|
free(xtestname);
|
|
|
|
return retval;
|
|
}
|
|
|
|
/**
|
|
* If master is NULL, return TRUE if the given device is an xtest device or
|
|
* FALSE otherwise.
|
|
* If master is not NULL, return TRUE if the given device is this master's
|
|
* xtest device.
|
|
*/
|
|
BOOL
|
|
IsXTestDevice(DeviceIntPtr dev, DeviceIntPtr master)
|
|
{
|
|
if (IsMaster(dev))
|
|
return FALSE;
|
|
|
|
/* deviceid 0 is reserved for XIAllDevices, non-zero mid means XTest
|
|
* device */
|
|
if (master)
|
|
return dev->xtest_master_id == master->id;
|
|
|
|
return dev->xtest_master_id != 0;
|
|
}
|
|
|
|
/**
|
|
* @return The X Test virtual device for the given master.
|
|
*/
|
|
DeviceIntPtr
|
|
GetXTestDevice(DeviceIntPtr master)
|
|
{
|
|
DeviceIntPtr it;
|
|
|
|
for (it = inputInfo.devices; it; it = it->next) {
|
|
if (IsXTestDevice(it, master))
|
|
return it;
|
|
}
|
|
|
|
/* This only happens if master is a slave device. don't do that */
|
|
return NULL;
|
|
}
|
|
|
|
static void
|
|
XTestExtensionTearDown(ExtensionEntry * e)
|
|
{
|
|
FreeEventList(xtest_evlist, GetMaximumEventsNum());
|
|
xtest_evlist = NULL;
|
|
}
|
|
|
|
void
|
|
XTestExtensionInit(void)
|
|
{
|
|
AddExtension(XTestExtensionName, 0, 0,
|
|
ProcXTestDispatch, SProcXTestDispatch,
|
|
XTestExtensionTearDown, StandardMinorOpcode);
|
|
|
|
xtest_evlist = InitEventList(GetMaximumEventsNum());
|
|
}
|