8033fb6c97
TryClientEvents already did this; this commit just moves the assignment one level down so that no event source has to worry about sequence numbers. ...No event source, that is, except XKB, which inexplicably calls WriteToClient directly for several events. Signed-off-by: Jamey Sharp <jamey@minilop.net> Reviewed-by: Julien Cristau <jcristau@debian.org> Reviewed-by: Adam Jackson <ajax@redhat.com>
298 lines
7.0 KiB
C
298 lines
7.0 KiB
C
/*
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* Copyright © 2003 Philip Blundell
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*
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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, and that the name of Philip Blundell not be used in
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* advertising or publicity pertaining to distribution of the software without
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* specific, written prior permission. Philip Blundell makes no
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* representations about the suitability of this software for any purpose. It
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* is provided "as is" without express or implied warranty.
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*
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* PHILIP BLUNDELL DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE,
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* INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO
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* EVENT SHALL PHILIP BLUNDELL BE LIABLE FOR ANY SPECIAL, INDIRECT OR
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* CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE,
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* DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER
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* TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
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* PERFORMANCE OF THIS SOFTWARE.
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*/
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#ifdef HAVE_KDRIVE_CONFIG_H
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#include <kdrive-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 "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 "swaprep.h"
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#include "protocol-versions.h"
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#include <X11/extensions/xcalibrateproto.h>
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#include <X11/extensions/xcalibratewire.h>
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extern void (*tslib_raw_event_hook)(int x, int y, int pressure, void *closure);
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extern void *tslib_raw_event_closure;
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static CARD8 XCalibrateReqCode;
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int XCalibrateEventBase;
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int XCalibrateReqBase;
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int XCalibrateErrorBase;
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static ClientPtr xcalibrate_client;
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static void
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xcalibrate_event_hook (int x, int y, int pressure, void *closure)
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{
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ClientPtr pClient = (ClientPtr) closure;
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xXCalibrateRawTouchscreenEvent ev;
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ev.type = XCalibrateEventBase + X_XCalibrateRawTouchscreen;
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ev.x = x;
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ev.y = y;
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ev.pressure = pressure;
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WriteEventsToClient (pClient, 1, (xEvent *) &ev);
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}
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static int
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ProcXCalibrateQueryVersion (ClientPtr client)
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{
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REQUEST(xXCalibrateQueryVersionReq);
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xXCalibrateQueryVersionReply rep;
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CARD16 client_major, client_minor; /* not used */
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REQUEST_SIZE_MATCH (xXCalibrateQueryVersionReq);
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client_major = stuff->majorVersion;
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client_minor = stuff->minorVersion;
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fprintf(stderr, "%s(): called\n", __func__);
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rep.type = X_Reply;
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rep.length = 0;
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rep.sequenceNumber = client->sequence;
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rep.majorVersion = SERVER_XCALIBRATE_MAJOR_VERSION;
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rep.minorVersion = SERVER_XCALIBRATE_MINOR_VERSION;
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if (client->swapped) {
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int n;
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swaps(&rep.sequenceNumber, n);
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swapl(&rep.length, n);
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swaps(&rep.majorVersion, n);
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swaps(&rep.minorVersion, n);
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}
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WriteToClient(client, sizeof (xXCalibrateQueryVersionReply), (char *)&rep);
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return Success;
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}
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static int
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SProcXCalibrateQueryVersion (ClientPtr client)
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{
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REQUEST(xXCalibrateQueryVersionReq);
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int n;
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REQUEST_SIZE_MATCH (xXCalibrateQueryVersionReq);
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swaps(&stuff->majorVersion,n);
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swaps(&stuff->minorVersion,n);
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return ProcXCalibrateQueryVersion(client);
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}
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static int
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ProcXCalibrateSetRawMode (ClientPtr client)
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{
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REQUEST(xXCalibrateRawModeReq);
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xXCalibrateRawModeReply rep;
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REQUEST_SIZE_MATCH (xXCalibrateRawModeReq);
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memset (&rep, 0, sizeof (rep));
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rep.type = X_Reply;
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rep.sequenceNumber = client->sequence;
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if (stuff->on)
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{
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if (xcalibrate_client == NULL)
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{
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/* Start calibrating. */
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xcalibrate_client = client;
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tslib_raw_event_hook = xcalibrate_event_hook;
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tslib_raw_event_closure = client;
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rep.status = GrabSuccess;
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}
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else
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{
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rep.status = AlreadyGrabbed;
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}
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}
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else
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{
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if (xcalibrate_client == client)
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{
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/* Stop calibrating. */
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xcalibrate_client = NULL;
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tslib_raw_event_hook = NULL;
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tslib_raw_event_closure = NULL;
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rep.status = GrabSuccess;
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/* Cycle input off and on to reload configuration. */
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KdDisableInput ();
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KdEnableInput ();
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}
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else
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{
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rep.status = AlreadyGrabbed;
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}
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}
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if (client->swapped)
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{
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int n;
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swaps (&rep.sequenceNumber, n);
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swaps (&rep.status, n);
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}
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WriteToClient(client, sizeof (rep), (char *) &rep);
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return Success;
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}
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static int
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SProcXCalibrateSetRawMode (ClientPtr client)
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{
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REQUEST(xXCalibrateRawModeReq);
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int n;
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REQUEST_SIZE_MATCH (xXCalibrateRawModeReq);
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swaps(&stuff->on, n);
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return ProcXCalibrateSetRawMode(client);
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}
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static int
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ProcXCalibrateScreenToCoord (ClientPtr client)
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{
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REQUEST(xXCalibrateScreenToCoordReq);
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xXCalibrateScreenToCoordReply rep;
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REQUEST_SIZE_MATCH (xXCalibrateScreenToCoordReq);
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memset (&rep, 0, sizeof (rep));
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rep.type = X_Reply;
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rep.sequenceNumber = client->sequence;
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rep.x = stuff->x;
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rep.y = stuff->y;
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KdScreenToPointerCoords(&rep.x, &rep.y);
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if (client->swapped)
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{
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int n;
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swaps (&rep.x, n);
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swaps (&rep.y, n);
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}
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WriteToClient(client, sizeof (rep), (char *) &rep);
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return Success;
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}
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static int
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SProcXCalibrateScreenToCoord (ClientPtr client)
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{
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REQUEST(xXCalibrateScreenToCoordReq);
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int n;
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REQUEST_SIZE_MATCH (xXCalibrateScreenToCoordReq);
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swaps(&stuff->x, n);
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swaps(&stuff->y, n);
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return ProcXCalibrateScreenToCoord(client);
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}
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static int
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ProcXCalibrateDispatch (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_XCalibrateQueryVersion:
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return ProcXCalibrateQueryVersion(client);
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case X_XCalibrateRawMode:
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return ProcXCalibrateSetRawMode(client);
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case X_XCalibrateScreenToCoord:
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return ProcXCalibrateScreenToCoord(client);
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default: break;
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}
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return BadRequest;
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}
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static int
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SProcXCalibrateDispatch (ClientPtr client)
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{
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REQUEST(xReq);
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int n;
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swaps(&stuff->length,n);
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switch (stuff->data) {
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case X_XCalibrateQueryVersion:
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return SProcXCalibrateQueryVersion(client);
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case X_XCalibrateRawMode:
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return SProcXCalibrateSetRawMode(client);
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case X_XCalibrateScreenToCoord:
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return SProcXCalibrateScreenToCoord(client);
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default: break;
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}
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return BadRequest;
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}
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static void
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XCalibrateClientCallback (CallbackListPtr *list,
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pointer closure,
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pointer data)
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{
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NewClientInfoRec *clientinfo = (NewClientInfoRec *) data;
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ClientPtr pClient = clientinfo->client;
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if (clientinfo->setup == NULL
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&& xcalibrate_client != NULL
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&& xcalibrate_client == pClient)
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{
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/* Stop calibrating. */
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xcalibrate_client = NULL;
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tslib_raw_event_hook = NULL;
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tslib_raw_event_closure = NULL;
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}
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}
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void
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XCalibrateExtensionInit(void)
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{
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ExtensionEntry *extEntry;
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if (!AddCallback (&ClientStateCallback, XCalibrateClientCallback, 0))
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return;
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extEntry = AddExtension(XCALIBRATE_NAME, XCalibrateNumberEvents, XCalibrateNumberErrors,
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ProcXCalibrateDispatch, SProcXCalibrateDispatch,
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NULL, StandardMinorOpcode);
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if (!extEntry)
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return;
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XCalibrateReqCode = (unsigned char)extEntry->base;
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XCalibrateEventBase = extEntry->eventBase;
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XCalibrateErrorBase = extEntry->errorBase;
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xcalibrate_client = 0;
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}
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