305 lines
9.5 KiB
C
305 lines
9.5 KiB
C
/************************************************************
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Copyright 1989, 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 in
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all copies or substantial portions of the Software.
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THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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OPEN GROUP BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
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AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
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CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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Except as contained in this notice, the name of The Open Group shall not be
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used in advertising or otherwise to promote the sale, use or other dealings
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in this Software without prior written authorization from The Open Group.
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Copyright 1989 by Hewlett-Packard Company, Palo Alto, California.
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All Rights Reserved
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Permission to use, copy, modify, and distribute this software and its
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documentation for any purpose and without fee is hereby granted,
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provided that the above copyright notice appear in all copies and that
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both that copyright notice and this permission notice appear in
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supporting documentation, and that the name of Hewlett-Packard not be
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used in advertising or publicity pertaining to distribution of the
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software without specific, written prior permission.
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HEWLETT-PACKARD DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING
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ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO EVENT SHALL
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HEWLETT-PACKARD BE LIABLE FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR
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ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS,
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WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION,
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ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS
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SOFTWARE.
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********************************************************/
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/********************************************************************
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*
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* Change Device control attributes for an extension device.
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*
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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 "inputstr.h" /* DeviceIntPtr */
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#include <X11/extensions/XI.h>
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#include <X11/extensions/XIproto.h> /* control constants */
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#include "XIstubs.h"
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#include "exglobals.h"
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#include "exevents.h"
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#include "chgdctl.h"
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/***********************************************************************
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*
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* This procedure changes the control attributes for an extension device,
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* for clients on machines with a different byte ordering than the server.
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*
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*/
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int
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SProcXChangeDeviceControl(ClientPtr client)
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{
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char n;
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xDeviceCtl *ctl;
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xDeviceAbsCalibCtl *calib;
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xDeviceAbsAreaCtl *area;
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REQUEST(xChangeDeviceControlReq);
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swaps(&stuff->length, n);
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REQUEST_AT_LEAST_SIZE(xChangeDeviceControlReq);
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swaps(&stuff->control, n);
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ctl = (xDeviceCtl*)&stuff[1];
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swaps(&ctl->control, n);
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swaps(&ctl->length, n);
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switch(stuff->control) {
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case DEVICE_ABS_CALIB:
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calib = (xDeviceAbsCalibCtl*)ctl;
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swaps(&calib->length, n);
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swapl(&calib->min_x, n);
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swapl(&calib->max_x, n);
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swapl(&calib->min_y, n);
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swapl(&calib->max_y, n);
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swapl(&calib->flip_x, n);
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swapl(&calib->flip_y, n);
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swapl(&calib->rotation, n);
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swapl(&calib->button_threshold, n);
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break;
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case DEVICE_ABS_AREA:
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area = (xDeviceAbsAreaCtl*)ctl;
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swapl(&area->offset_x, n);
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swapl(&area->offset_y, n);
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swapl(&area->width, n);
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swapl(&area->height, n);
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swapl(&area->screen, n);
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swapl(&area->following, n);
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break;
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case DEVICE_CORE:
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case DEVICE_ENABLE:
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case DEVICE_RESOLUTION:
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/* hmm. beer. *drool* */
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break;
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}
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return (ProcXChangeDeviceControl(client));
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}
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/***********************************************************************
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*
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* Change the control attributes.
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*
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*/
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int
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ProcXChangeDeviceControl(ClientPtr client)
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{
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unsigned len;
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int i, status, ret = BadValue;
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DeviceIntPtr dev;
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xDeviceResolutionCtl *r;
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xChangeDeviceControlReply rep;
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AxisInfoPtr a;
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CARD32 *resolution;
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xDeviceAbsCalibCtl *calib;
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xDeviceAbsAreaCtl *area;
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xDeviceEnableCtl *e;
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devicePresenceNotify dpn;
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REQUEST(xChangeDeviceControlReq);
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REQUEST_AT_LEAST_SIZE(xChangeDeviceControlReq);
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len = stuff->length - (sizeof(xChangeDeviceControlReq) >> 2);
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ret = dixLookupDevice(&dev, stuff->deviceid, client, DixManageAccess);
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if (ret != Success)
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goto out;
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rep.repType = X_Reply;
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rep.RepType = X_ChangeDeviceControl;
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rep.length = 0;
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rep.sequenceNumber = client->sequence;
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switch (stuff->control) {
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case DEVICE_RESOLUTION:
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r = (xDeviceResolutionCtl *) & stuff[1];
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if ((len < (sizeof(xDeviceResolutionCtl) >> 2)) ||
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(len != (sizeof(xDeviceResolutionCtl) >> 2) + r->num_valuators)) {
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ret = BadLength;
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goto out;
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}
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if (!dev->valuator) {
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ret = BadMatch;
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goto out;
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}
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if ((dev->deviceGrab.grab) && !SameClient(dev->deviceGrab.grab, client)) {
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rep.status = AlreadyGrabbed;
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ret = Success;
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goto out;
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}
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resolution = (CARD32 *) (r + 1);
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if (r->first_valuator + r->num_valuators > dev->valuator->numAxes) {
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ret = BadValue;
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goto out;
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}
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status = ChangeDeviceControl(client, dev, (xDeviceCtl *) r);
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if (status == Success) {
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a = &dev->valuator->axes[r->first_valuator];
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for (i = 0; i < r->num_valuators; i++)
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if (*(resolution + i) < (a + i)->min_resolution ||
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*(resolution + i) > (a + i)->max_resolution)
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return BadValue;
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for (i = 0; i < r->num_valuators; i++)
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(a++)->resolution = *resolution++;
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ret = Success;
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} else if (status == DeviceBusy) {
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rep.status = DeviceBusy;
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ret = Success;
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} else {
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ret = BadMatch;
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}
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break;
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case DEVICE_ABS_CALIB:
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calib = (xDeviceAbsCalibCtl *)&stuff[1];
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if (calib->button_threshold < 0 || calib->button_threshold > 255) {
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ret = BadValue;
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goto out;
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}
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status = ChangeDeviceControl(client, dev, (xDeviceCtl *) calib);
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if (status == Success) {
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dev->absolute->min_x = calib->min_x;
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dev->absolute->max_x = calib->max_x;
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dev->absolute->min_y = calib->min_y;
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dev->absolute->max_y = calib->max_y;
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dev->absolute->flip_x = calib->flip_x;
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dev->absolute->flip_y = calib->flip_y;
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dev->absolute->rotation = calib->rotation;
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dev->absolute->button_threshold = calib->button_threshold;
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ret = Success;
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} else if (status == DeviceBusy || status == BadValue) {
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rep.status = status;
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ret = Success;
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} else {
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ret = BadMatch;
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}
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break;
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case DEVICE_ABS_AREA:
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area = (xDeviceAbsAreaCtl *)&stuff[1];
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status = ChangeDeviceControl(client, dev, (xDeviceCtl *) area);
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if (status == Success) {
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dev->absolute->offset_x = area->offset_x;
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dev->absolute->offset_y = area->offset_y;
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dev->absolute->width = area->width;
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dev->absolute->height = area->height;
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dev->absolute->screen = area->screen;
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dev->absolute->following = area->following;
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ret = Success;
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} else if (status == DeviceBusy || status == BadValue) {
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rep.status = status;
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ret = Success;
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} else {
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ret = Success;
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}
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break;
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case DEVICE_CORE:
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/* Sorry, no device core switching no more. If you want a device to
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* send core events, attach it to a master device */
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ret = BadMatch;
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break;
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case DEVICE_ENABLE:
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e = (xDeviceEnableCtl *)&stuff[1];
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status = ChangeDeviceControl(client, dev, (xDeviceCtl *) e);
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if (status == Success) {
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if (e->enable)
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EnableDevice(dev);
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else
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DisableDevice(dev);
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ret = Success;
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} else if (status == DeviceBusy) {
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rep.status = DeviceBusy;
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ret = Success;
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} else {
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ret = BadMatch;
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}
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break;
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default:
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ret = BadValue;
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}
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out:
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if (ret == Success) {
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dpn.type = DevicePresenceNotify;
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dpn.time = currentTime.milliseconds;
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dpn.devchange = DeviceControlChanged;
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dpn.deviceid = dev->id;
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dpn.control = stuff->control;
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SendEventToAllWindows(dev, DevicePresenceNotifyMask,
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(xEvent *) &dpn, 1);
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WriteReplyToClient(client, sizeof(xChangeDeviceControlReply), &rep);
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}
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return ret;
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}
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/***********************************************************************
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*
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* This procedure writes the reply for the xChangeDeviceControl function,
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* if the client and server have a different byte ordering.
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*
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*/
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void
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SRepXChangeDeviceControl(ClientPtr client, int size,
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xChangeDeviceControlReply * rep)
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{
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char n;
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swaps(&rep->sequenceNumber, n);
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swapl(&rep->length, n);
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WriteToClient(client, size, (char *)rep);
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}
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