xenocara/xserver/Xext/xcalibrate.c
2007-11-24 17:55:21 +00:00

261 lines
6.3 KiB
C

/*
* Copyright © 2003 Philip Blundell
*
* 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, and that the name of Philip Blundell not be used in
* advertising or publicity pertaining to distribution of the software without
* specific, written prior permission. Philip Blundell makes no
* representations about the suitability of this software for any purpose. It
* is provided "as is" without express or implied warranty.
*
* PHILIP BLUNDELL DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE,
* INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO
* EVENT SHALL PHILIP BLUNDELL 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_KDRIVE_CONFIG_H
#include <kdrive-config.h>
#endif
#define NEED_EVENTS
#define NEED_REPLIES
#include <X11/X.h>
#include <X11/Xproto.h>
#include "misc.h"
#include "os.h"
#include "dixstruct.h"
#include "extnsionst.h"
#include "swaprep.h"
#include <X11/extensions/xcalibrateproto.h>
#include <X11/extensions/xcalibratewire.h>
extern void (*tslib_raw_event_hook)(int x, int y, int pressure, void *closure);
extern void *tslib_raw_event_closure;
static CARD8 XCalibrateReqCode;
int XCalibrateEventBase;
int XCalibrateReqBase;
int XCalibrateErrorBase;
static ClientPtr xcalibrate_client;
static void
xcalibrate_event_hook (int x, int y, int pressure, void *closure)
{
ClientPtr pClient = (ClientPtr) closure;
xXCalibrateRawTouchscreenEvent ev;
ev.type = XCalibrateEventBase + X_XCalibrateRawTouchscreen;
ev.sequenceNumber = pClient->sequence;
ev.x = x;
ev.y = y;
ev.pressure = pressure;
if (!pClient->clientGone)
WriteEventsToClient (pClient, 1, (xEvent *) &ev);
}
static int
ProcXCalibrateQueryVersion (ClientPtr client)
{
REQUEST(xXCalibrateQueryVersionReq);
xXCalibrateQueryVersionReply rep;
CARD16 client_major, client_minor; /* not used */
REQUEST_SIZE_MATCH (xXCalibrateQueryVersionReq);
client_major = stuff->majorVersion;
client_minor = stuff->minorVersion;
fprintf(stderr, "%s(): called\n", __func__);
rep.type = X_Reply;
rep.length = 0;
rep.sequenceNumber = client->sequence;
rep.majorVersion = XCALIBRATE_MAJOR_VERSION;
rep.minorVersion = XCALIBRATE_MINOR_VERSION;
if (client->swapped) {
int n;
swaps(&rep.sequenceNumber, n);
swapl(&rep.length, n);
swaps(&rep.majorVersion, n);
swaps(&rep.minorVersion, n);
}
WriteToClient(client, sizeof (xXCalibrateQueryVersionReply), (char *)&rep);
return (client->noClientException);
}
static int
SProcXCalibrateQueryVersion (ClientPtr client)
{
REQUEST(xXCalibrateQueryVersionReq);
int n;
REQUEST_SIZE_MATCH (xXCalibrateQueryVersionReq);
swaps(&stuff->majorVersion,n);
swaps(&stuff->minorVersion,n);
return ProcXCalibrateQueryVersion(client);
}
static int
ProcXCalibrateSetRawMode (ClientPtr client)
{
REQUEST(xXCalibrateRawModeReq);
xXCalibrateRawModeReply rep;
REQUEST_SIZE_MATCH (xXCalibrateRawModeReq);
memset (&rep, 0, sizeof (rep));
rep.type = X_Reply;
rep.sequenceNumber = client->sequence;
if (stuff->on)
{
if (xcalibrate_client == NULL)
{
/* Start calibrating. */
xcalibrate_client = client;
tslib_raw_event_hook = xcalibrate_event_hook;
tslib_raw_event_closure = client;
rep.status = GrabSuccess;
}
else
{
rep.status = AlreadyGrabbed;
}
}
else
{
if (xcalibrate_client == client)
{
/* Stop calibrating. */
xcalibrate_client = NULL;
tslib_raw_event_hook = NULL;
tslib_raw_event_closure = NULL;
rep.status = GrabSuccess;
/* Cycle input off and on to reload configuration. */
KdDisableInput ();
KdEnableInput ();
}
else
{
rep.status = AlreadyGrabbed;
}
}
if (client->swapped)
{
int n;
swaps (&rep.sequenceNumber, n);
swaps (&rep.status, n);
}
WriteToClient(client, sizeof (rep), (char *) &rep);
return (client->noClientException);
}
static int
SProcXCalibrateSetRawMode (ClientPtr client)
{
REQUEST(xXCalibrateRawModeReq);
int n;
REQUEST_SIZE_MATCH (xXCalibrateRawModeReq);
swaps(&stuff->on, n);
return ProcXCalibrateSetRawMode(client);
}
static void
XCalibrateResetProc (ExtensionEntry *extEntry)
{
}
static int
ProcXCalibrateDispatch (ClientPtr client)
{
REQUEST(xReq);
switch (stuff->data) {
case X_XCalibrateQueryVersion:
return ProcXCalibrateQueryVersion(client);
case X_XCalibrateRawMode:
return ProcXCalibrateSetRawMode(client);
default: break;
}
return BadRequest;
}
static int
SProcXCalibrateDispatch (ClientPtr client)
{
REQUEST(xReq);
int n;
swaps(&stuff->length,n);
switch (stuff->data) {
case X_XCalibrateQueryVersion:
return SProcXCalibrateQueryVersion(client);
case X_XCalibrateRawMode:
return SProcXCalibrateSetRawMode(client);
default: break;
}
return BadRequest;
}
static void
XCalibrateClientCallback (CallbackListPtr *list,
pointer closure,
pointer data)
{
NewClientInfoRec *clientinfo = (NewClientInfoRec *) data;
ClientPtr pClient = clientinfo->client;
if (clientinfo->setup == NULL
&& xcalibrate_client != NULL
&& xcalibrate_client == pClient)
{
/* Stop calibrating. */
xcalibrate_client = NULL;
tslib_raw_event_hook = NULL;
tslib_raw_event_closure = NULL;
}
}
void
XCalibrateExtensionInit(void)
{
ExtensionEntry *extEntry;
if (!AddCallback (&ClientStateCallback, XCalibrateClientCallback, 0))
return;
extEntry = AddExtension(XCALIBRATE_NAME, XCalibrateNumberEvents, XCalibrateNumberErrors,
ProcXCalibrateDispatch, SProcXCalibrateDispatch,
XCalibrateResetProc, StandardMinorOpcode);
if (!extEntry)
return;
XCalibrateReqCode = (unsigned char)extEntry->base;
XCalibrateEventBase = extEntry->eventBase;
XCalibrateErrorBase = extEntry->errorBase;
xcalibrate_client = 0;
}