254 lines
7.9 KiB
C
254 lines
7.9 KiB
C
/************************************************************
|
|
|
|
Copyright 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 1989 by Hewlett-Packard Company, Palo Alto, California.
|
|
|
|
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 Hewlett-Packard not be
|
|
used in advertising or publicity pertaining to distribution of the
|
|
software without specific, written prior permission.
|
|
|
|
HEWLETT-PACKARD DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING
|
|
ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO EVENT SHALL
|
|
HEWLETT-PACKARD 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.
|
|
|
|
********************************************************/
|
|
|
|
/********************************************************************
|
|
*
|
|
* Change Device control attributes for an extension device.
|
|
*
|
|
*/
|
|
|
|
#ifdef HAVE_DIX_CONFIG_H
|
|
#include <dix-config.h>
|
|
#endif
|
|
|
|
#include "inputstr.h" /* DeviceIntPtr */
|
|
#include <X11/extensions/XI.h>
|
|
#include <X11/extensions/XIproto.h> /* control constants */
|
|
#include "XIstubs.h"
|
|
|
|
#include "exglobals.h"
|
|
#include "exevents.h"
|
|
|
|
#include "chgdctl.h"
|
|
|
|
/***********************************************************************
|
|
*
|
|
* This procedure changes the control attributes for an extension device,
|
|
* for clients on machines with a different byte ordering than the server.
|
|
*
|
|
*/
|
|
|
|
int
|
|
SProcXChangeDeviceControl(ClientPtr client)
|
|
{
|
|
xDeviceCtl *ctl;
|
|
|
|
REQUEST(xChangeDeviceControlReq);
|
|
swaps(&stuff->length);
|
|
REQUEST_AT_LEAST_SIZE(xChangeDeviceControlReq);
|
|
swaps(&stuff->control);
|
|
ctl = (xDeviceCtl *) &stuff[1];
|
|
swaps(&ctl->control);
|
|
swaps(&ctl->length);
|
|
switch (stuff->control) {
|
|
case DEVICE_ABS_CALIB:
|
|
case DEVICE_ABS_AREA:
|
|
case DEVICE_CORE:
|
|
case DEVICE_ENABLE:
|
|
case DEVICE_RESOLUTION:
|
|
/* hmm. beer. *drool* */
|
|
break;
|
|
|
|
}
|
|
return (ProcXChangeDeviceControl(client));
|
|
}
|
|
|
|
/***********************************************************************
|
|
*
|
|
* Change the control attributes.
|
|
*
|
|
*/
|
|
|
|
int
|
|
ProcXChangeDeviceControl(ClientPtr client)
|
|
{
|
|
unsigned len;
|
|
int i, status, ret = BadValue;
|
|
DeviceIntPtr dev;
|
|
xDeviceResolutionCtl *r;
|
|
xChangeDeviceControlReply rep;
|
|
AxisInfoPtr a;
|
|
CARD32 *resolution;
|
|
xDeviceEnableCtl *e;
|
|
|
|
REQUEST(xChangeDeviceControlReq);
|
|
REQUEST_AT_LEAST_SIZE(xChangeDeviceControlReq);
|
|
|
|
len = stuff->length - bytes_to_int32(sizeof(xChangeDeviceControlReq));
|
|
ret = dixLookupDevice(&dev, stuff->deviceid, client, DixManageAccess);
|
|
if (ret != Success)
|
|
goto out;
|
|
|
|
/* XTest devices are special, none of the below apply to them anyway */
|
|
if (IsXTestDevice(dev, NULL)) {
|
|
ret = BadMatch;
|
|
goto out;
|
|
}
|
|
|
|
rep = (xChangeDeviceControlReply) {
|
|
.repType = X_Reply,
|
|
.RepType = X_ChangeDeviceControl,
|
|
.sequenceNumber = client->sequence,
|
|
.length = 0,
|
|
.status = Success,
|
|
};
|
|
|
|
switch (stuff->control) {
|
|
case DEVICE_RESOLUTION:
|
|
r = (xDeviceResolutionCtl *) &stuff[1];
|
|
if ((len < bytes_to_int32(sizeof(xDeviceResolutionCtl))) ||
|
|
(len !=
|
|
bytes_to_int32(sizeof(xDeviceResolutionCtl)) + r->num_valuators)) {
|
|
ret = BadLength;
|
|
goto out;
|
|
}
|
|
if (!dev->valuator) {
|
|
ret = BadMatch;
|
|
goto out;
|
|
}
|
|
if ((dev->deviceGrab.grab) && !SameClient(dev->deviceGrab.grab, client)) {
|
|
rep.status = AlreadyGrabbed;
|
|
ret = Success;
|
|
goto out;
|
|
}
|
|
resolution = (CARD32 *) (r + 1);
|
|
if (r->first_valuator + r->num_valuators > dev->valuator->numAxes) {
|
|
ret = BadValue;
|
|
goto out;
|
|
}
|
|
status = ChangeDeviceControl(client, dev, (xDeviceCtl *) r);
|
|
if (status == Success) {
|
|
a = &dev->valuator->axes[r->first_valuator];
|
|
for (i = 0; i < r->num_valuators; i++)
|
|
if (*(resolution + i) < (a + i)->min_resolution ||
|
|
*(resolution + i) > (a + i)->max_resolution)
|
|
return BadValue;
|
|
for (i = 0; i < r->num_valuators; i++)
|
|
(a++)->resolution = *resolution++;
|
|
|
|
ret = Success;
|
|
}
|
|
else if (status == DeviceBusy) {
|
|
rep.status = DeviceBusy;
|
|
ret = Success;
|
|
}
|
|
else {
|
|
ret = BadMatch;
|
|
}
|
|
break;
|
|
case DEVICE_ABS_CALIB:
|
|
case DEVICE_ABS_AREA:
|
|
/* Calibration is now done through properties, and never had any effect
|
|
* on anything (in the open-source world). Thus, be honest. */
|
|
ret = BadMatch;
|
|
break;
|
|
case DEVICE_CORE:
|
|
/* Sorry, no device core switching no more. If you want a device to
|
|
* send core events, attach it to a master device */
|
|
ret = BadMatch;
|
|
break;
|
|
case DEVICE_ENABLE:
|
|
e = (xDeviceEnableCtl *) &stuff[1];
|
|
|
|
if (IsXTestDevice(dev, NULL))
|
|
status = !Success;
|
|
else
|
|
status = ChangeDeviceControl(client, dev, (xDeviceCtl *) e);
|
|
|
|
if (status == Success) {
|
|
if (e->enable)
|
|
EnableDevice(dev, TRUE);
|
|
else
|
|
DisableDevice(dev, TRUE);
|
|
ret = Success;
|
|
}
|
|
else if (status == DeviceBusy) {
|
|
rep.status = DeviceBusy;
|
|
ret = Success;
|
|
}
|
|
else {
|
|
ret = BadMatch;
|
|
}
|
|
|
|
break;
|
|
default:
|
|
ret = BadValue;
|
|
}
|
|
|
|
out:
|
|
if (ret == Success) {
|
|
devicePresenceNotify dpn = {
|
|
.type = DevicePresenceNotify,
|
|
.time = currentTime.milliseconds,
|
|
.devchange = DeviceControlChanged,
|
|
.deviceid = dev->id,
|
|
.control = stuff->control
|
|
};
|
|
SendEventToAllWindows(dev, DevicePresenceNotifyMask,
|
|
(xEvent *) &dpn, 1);
|
|
|
|
WriteReplyToClient(client, sizeof(xChangeDeviceControlReply), &rep);
|
|
}
|
|
|
|
return ret;
|
|
}
|
|
|
|
/***********************************************************************
|
|
*
|
|
* This procedure writes the reply for the xChangeDeviceControl function,
|
|
* if the client and server have a different byte ordering.
|
|
*
|
|
*/
|
|
|
|
void
|
|
SRepXChangeDeviceControl(ClientPtr client, int size,
|
|
xChangeDeviceControlReply * rep)
|
|
{
|
|
swaps(&rep->sequenceNumber);
|
|
swapl(&rep->length);
|
|
WriteToClient(client, size, rep);
|
|
}
|