TinyX/Xext/xtest.c

/*

Copyright 1992, 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.

*/

#ifdef HAVE_DIX_CONFIG_H
#include <dix-config.h>
#endif

#include <X11/X.h>
#include <X11/Xproto.h>
#include "misc.h"
#include "os.h"
#include "dixstruct.h"
#include "extnsionst.h"
#include "windowstr.h"
#include "inputstr.h"
#include "scrnintstr.h"
#include "dixevents.h"
#include "sleepuntil.h"
#define _XTEST_SERVER_
#include <X11/extensions/xtestproto.h>

#include "extinit.h"

#if 0
static unsigned char XTestReqCode;
#endif



static void XTestResetProc(ExtensionEntry *     /* extEntry */
    );

static int XTestSwapFakeInput(ClientPtr /* client */ ,
                              xReq *    /* req */
    );

static DISPATCH_PROC(ProcXTestCompareCursor);

static DISPATCH_PROC(ProcXTestDispatch);

static DISPATCH_PROC(ProcXTestFakeInput);

static DISPATCH_PROC(ProcXTestGetVersion);

static DISPATCH_PROC(ProcXTestGrabControl);

static DISPATCH_PROC(SProcXTestCompareCursor);

static DISPATCH_PROC(SProcXTestDispatch);

static DISPATCH_PROC(SProcXTestFakeInput);

static DISPATCH_PROC(SProcXTestGetVersion);

static DISPATCH_PROC(SProcXTestGrabControl);

void
XTestExtensionInit(INITARGS)
{
#if 0
    ExtensionEntry *extEntry;

    if ((extEntry = AddExtension(XTestExtensionName, 0, 0,
                                 ProcXTestDispatch, SProcXTestDispatch,
                                 XTestResetProc, StandardMinorOpcode)) != 0)
        XTestReqCode = (unsigned char) extEntry->base;
#else
    (void) AddExtension(XTestExtensionName, 0, 0,
                        ProcXTestDispatch, SProcXTestDispatch,
                        XTestResetProc, StandardMinorOpcode);
#endif
}

 /*ARGSUSED*/ static void
XTestResetProc(extEntry)
ExtensionEntry *extEntry;
{
}

static int
ProcXTestGetVersion(client)
ClientPtr client;
{
    xXTestGetVersionReply rep;


    REQUEST_SIZE_MATCH(xXTestGetVersionReq);
    rep.type = X_Reply;
    rep.length = 0;
    rep.sequenceNumber = client->sequence;
    rep.majorVersion = XTestMajorVersion;
    rep.minorVersion = XTestMinorVersion;
    if (client->swapped) {
        swaps(&rep.sequenceNumber);
        swaps(&rep.minorVersion);
    }
    WriteToClient(client, sizeof(xXTestGetVersionReply), (char *) &rep);
    return (client->noClientException);
}

static int
ProcXTestCompareCursor(client)
ClientPtr client;
{
    REQUEST(xXTestCompareCursorReq);
    xXTestCompareCursorReply rep;

    WindowPtr pWin;

    CursorPtr pCursor;


    REQUEST_SIZE_MATCH(xXTestCompareCursorReq);
    pWin = (WindowPtr) LookupWindow(stuff->window, client);
    if (!pWin)
        return (BadWindow);
    if (stuff->cursor == None)
        pCursor = NullCursor;
    else if (stuff->cursor == XTestCurrentCursor)
        pCursor = GetSpriteCursor();
    else {
        pCursor = (CursorPtr) LookupIDByType(stuff->cursor, RT_CURSOR);
        if (!pCursor) {
            client->errorValue = stuff->cursor;
            return (BadCursor);
        }
    }
    rep.type = X_Reply;
    rep.length = 0;
    rep.sequenceNumber = client->sequence;
    rep.same = (wCursor(pWin) == pCursor);
    if (client->swapped) {
        swaps(&rep.sequenceNumber);
    }
    WriteToClient(client, sizeof(xXTestCompareCursorReply), (char *) &rep);
    return (client->noClientException);
}

static int
ProcXTestFakeInput(client)
ClientPtr client;
{
    REQUEST(xXTestFakeInputReq);
    int nev;

    xEvent *ev;

    DeviceIntPtr dev = NULL;

    WindowPtr root;

    int type;


    nev = (stuff->length << 2) - sizeof(xReq);
    if ((nev % sizeof(xEvent)) || !nev)
        return BadLength;
    nev /= sizeof(xEvent);
    UpdateCurrentTime();
    ev = (xEvent *) &((xReq *) stuff)[1];
    type = ev->u.u.type & 0177;
    {
        if (nev != 1)
            return BadLength;
        switch (type) {
        case KeyPress:
        case KeyRelease:
        case MotionNotify:
        case ButtonPress:
        case ButtonRelease:
            break;
        default:
            client->errorValue = ev->u.u.type;
            return BadValue;
        }
    }
    if (ev->u.keyButtonPointer.time) {
        TimeStamp activateTime;

        CARD32 ms;

        activateTime = currentTime;
        ms = activateTime.milliseconds + ev->u.keyButtonPointer.time;
        if (ms < activateTime.milliseconds)
            activateTime.months++;
        activateTime.milliseconds = ms;
        ev->u.keyButtonPointer.time = 0;

        /* see mbuf.c:QueueDisplayRequest for code similar to this */

        if (!ClientSleepUntil(client, &activateTime, NULL, NULL)) {
            return BadAlloc;
        }
        /* swap the request back so we can simply re-execute it */
        if (client->swapped) {
            (void) XTestSwapFakeInput(client, (xReq *) stuff);
            swaps(&stuff->length);
        }
        ResetCurrentRequest(client);
        client->sequence--;
        return Success;
    }
    switch (type) {
    case KeyPress:
    case KeyRelease:
            dev = (DeviceIntPtr) LookupKeyboardDevice();
        if (ev->u.u.detail < dev->key->curKeySyms.minKeyCode ||
            ev->u.u.detail > dev->key->curKeySyms.maxKeyCode) {
            client->errorValue = ev->u.u.detail;
            return BadValue;
        }
        break;
    case MotionNotify:
        dev = (DeviceIntPtr) LookupPointerDevice();
        if (ev->u.keyButtonPointer.root == None)
            root = GetCurrentRootWindow();
        else {
            root = LookupWindow(ev->u.keyButtonPointer.root, client);
            if (!root)
                return BadWindow;
            if (root->parent) {
                client->errorValue = ev->u.keyButtonPointer.root;
                return BadValue;
            }
        }
        if (ev->u.u.detail == xTrue) {
            int x, y;

            GetSpritePosition(&x, &y);
            ev->u.keyButtonPointer.rootX += x;
            ev->u.keyButtonPointer.rootY += y;
        }
        else if (ev->u.u.detail != xFalse) {
            client->errorValue = ev->u.u.detail;
            return BadValue;
        }


        if (ev->u.keyButtonPointer.rootX < 0)
            ev->u.keyButtonPointer.rootX = 0;
        else if (ev->u.keyButtonPointer.rootX >= root->drawable.width)
            ev->u.keyButtonPointer.rootX = root->drawable.width - 1;
        if (ev->u.keyButtonPointer.rootY < 0)
            ev->u.keyButtonPointer.rootY = 0;
        else if (ev->u.keyButtonPointer.rootY >= root->drawable.height)
            ev->u.keyButtonPointer.rootY = root->drawable.height - 1;

        if (root != GetCurrentRootWindow())
        {
            NewCurrentScreen(root->drawable.pScreen,
                             ev->u.keyButtonPointer.rootX,
                             ev->u.keyButtonPointer.rootY);
            return client->noClientException;
        }
        (*root->drawable.pScreen->SetCursorPosition)
            (root->drawable.pScreen,
             ev->u.keyButtonPointer.rootX, ev->u.keyButtonPointer.rootY, FALSE);
        break;
    case ButtonPress:
    case ButtonRelease:
            dev = (DeviceIntPtr) LookupPointerDevice();
        if (!ev->u.u.detail || ev->u.u.detail > dev->button->numButtons) {
            client->errorValue = ev->u.u.detail;
            return BadValue;
        }
        break;
    }
    if (screenIsSaved == SCREEN_SAVER_ON)
        SaveScreens(SCREEN_SAVER_OFF, ScreenSaverReset);
    ev->u.keyButtonPointer.time = currentTime.milliseconds;
    (*dev->public.processInputProc) (ev, dev, nev);
    return client->noClientException;
}

static int
ProcXTestGrabControl(client)
ClientPtr client;
{
    REQUEST(xXTestGrabControlReq);

    REQUEST_SIZE_MATCH(xXTestGrabControlReq);
    if ((stuff->impervious != xTrue) && (stuff->impervious != xFalse)) {
        client->errorValue = stuff->impervious;
        return (BadValue);
    }
    if (stuff->impervious)
        MakeClientGrabImpervious(client);
    else
        MakeClientGrabPervious(client);
    return (client->noClientException);
}

static int
ProcXTestDispatch(client)
ClientPtr client;
{
    REQUEST(xReq);
    switch (stuff->data) {
    case X_XTestGetVersion:
        return ProcXTestGetVersion(client);
    case X_XTestCompareCursor:
        return ProcXTestCompareCursor(client);
    case X_XTestFakeInput:
        return ProcXTestFakeInput(client);
    case X_XTestGrabControl:
        return ProcXTestGrabControl(client);
    default:
        return BadRequest;
    }
}

static int
SProcXTestGetVersion(client)
ClientPtr client;
{

    REQUEST(xXTestGetVersionReq);

    swaps(&stuff->length);
    REQUEST_SIZE_MATCH(xXTestGetVersionReq);
    swaps(&stuff->minorVersion);
    return ProcXTestGetVersion(client);
}

static int
SProcXTestCompareCursor(client)
ClientPtr client;
{

    REQUEST(xXTestCompareCursorReq);

    swaps(&stuff->length);
    REQUEST_SIZE_MATCH(xXTestCompareCursorReq);
    swapl(&stuff->window);
    swapl(&stuff->cursor);
    return ProcXTestCompareCursor(client);
}

static int
XTestSwapFakeInput(client, req)
ClientPtr client;

xReq *req;
{
    int nev;

    xEvent *ev;

    xEvent sev;

    EventSwapPtr proc;

    nev = ((req->length << 2) - sizeof(xReq)) / sizeof(xEvent);
    for (ev = (xEvent *) &req[1]; --nev >= 0; ev++) {
        /* Swap event */
        proc = EventSwapVector[ev->u.u.type & 0177];
        /* no swapping proc; invalid event type? */
        if (!proc || proc == NotImplemented) {
            client->errorValue = ev->u.u.type;
            return BadValue;
        }
        (*proc) (ev, &sev);
        *ev = sev;
    }
    return Success;
}

static int
SProcXTestFakeInput(client)
ClientPtr client;
{

    REQUEST(xReq);

    swaps(&stuff->length);
    int n = XTestSwapFakeInput(client, stuff);
    if (n != Success)
        return n;
    return ProcXTestFakeInput(client);
}

static int
SProcXTestGrabControl(client)
ClientPtr client;
{

    REQUEST(xXTestGrabControlReq);

    swaps(&stuff->length);
    REQUEST_SIZE_MATCH(xXTestGrabControlReq);
    return ProcXTestGrabControl(client);
}

static int
SProcXTestDispatch(client)
ClientPtr client;
{
    REQUEST(xReq);
    switch (stuff->data) {
    case X_XTestGetVersion:
        return SProcXTestGetVersion(client);
    case X_XTestCompareCursor:
        return SProcXTestCompareCursor(client);
    case X_XTestFakeInput:
        return SProcXTestFakeInput(client);
    case X_XTestGrabControl:
        return SProcXTestGrabControl(client);
    default:
        return BadRequest;
    }
}