aboutsummaryrefslogtreecommitdiff
path: root/xorg-server/Xi/chgdctl.c
diff options
context:
space:
mode:
Diffstat (limited to 'xorg-server/Xi/chgdctl.c')
-rw-r--r--xorg-server/Xi/chgdctl.c318
1 files changed, 318 insertions, 0 deletions
diff --git a/xorg-server/Xi/chgdctl.c b/xorg-server/Xi/chgdctl.c
new file mode 100644
index 000000000..8df40fea0
--- /dev/null
+++ b/xorg-server/Xi/chgdctl.c
@@ -0,0 +1,318 @@
+/************************************************************
+
+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.
+ *
+ */
+
+#define NEED_EVENTS /* for inputstr.h */
+#define NEED_REPLIES
+#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)
+{
+ char n;
+ xDeviceCtl *ctl;
+ xDeviceAbsCalibCtl *calib;
+ xDeviceAbsAreaCtl *area;
+
+ REQUEST(xChangeDeviceControlReq);
+ swaps(&stuff->length, n);
+ REQUEST_AT_LEAST_SIZE(xChangeDeviceControlReq);
+ swaps(&stuff->control, n);
+ ctl = (xDeviceCtl*)&stuff[1];
+ swaps(&ctl->control, n);
+ swaps(&ctl->length, n);
+ switch(stuff->control) {
+ case DEVICE_ABS_CALIB:
+ calib = (xDeviceAbsCalibCtl*)ctl;
+ swaps(&calib->length, n);
+ swapl(&calib->min_x, n);
+ swapl(&calib->max_x, n);
+ swapl(&calib->min_y, n);
+ swapl(&calib->max_y, n);
+ swapl(&calib->flip_x, n);
+ swapl(&calib->flip_y, n);
+ swapl(&calib->rotation, n);
+ swapl(&calib->button_threshold, n);
+ break;
+ case DEVICE_ABS_AREA:
+ area = (xDeviceAbsAreaCtl*)ctl;
+ swapl(&area->offset_x, n);
+ swapl(&area->offset_y, n);
+ swapl(&area->width, n);
+ swapl(&area->height, n);
+ swapl(&area->screen, n);
+ swapl(&area->following, n);
+ break;
+ 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;
+ xDeviceAbsCalibCtl *calib;
+ xDeviceAbsAreaCtl *area;
+ xDeviceCoreCtl *c;
+ xDeviceEnableCtl *e;
+ devicePresenceNotify dpn;
+
+ REQUEST(xChangeDeviceControlReq);
+ REQUEST_AT_LEAST_SIZE(xChangeDeviceControlReq);
+
+ len = stuff->length - (sizeof(xChangeDeviceControlReq) >> 2);
+ ret = dixLookupDevice(&dev, stuff->deviceid, client, DixManageAccess);
+ if (ret != Success)
+ goto out;
+
+ rep.repType = X_Reply;
+ rep.RepType = X_ChangeDeviceControl;
+ rep.length = 0;
+ rep.sequenceNumber = client->sequence;
+
+ switch (stuff->control) {
+ case DEVICE_RESOLUTION:
+ r = (xDeviceResolutionCtl *) & stuff[1];
+ if ((len < (sizeof(xDeviceResolutionCtl) >> 2)) ||
+ (len != (sizeof(xDeviceResolutionCtl) >> 2) + r->num_valuators)) {
+ ret = BadLength;
+ goto out;
+ }
+ if (!dev->valuator) {
+ ret = BadMatch;
+ goto out;
+ }
+ if ((dev->grab) && !SameClient(dev->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:
+ calib = (xDeviceAbsCalibCtl *)&stuff[1];
+
+ if (calib->button_threshold < 0 || calib->button_threshold > 255) {
+ ret = BadValue;
+ goto out;
+ }
+
+ status = ChangeDeviceControl(client, dev, (xDeviceCtl *) calib);
+
+ if (status == Success) {
+ dev->absolute->min_x = calib->min_x;
+ dev->absolute->max_x = calib->max_x;
+ dev->absolute->min_y = calib->min_y;
+ dev->absolute->max_y = calib->max_y;
+ dev->absolute->flip_x = calib->flip_x;
+ dev->absolute->flip_y = calib->flip_y;
+ dev->absolute->rotation = calib->rotation;
+ dev->absolute->button_threshold = calib->button_threshold;
+ ret = Success;
+ } else if (status == DeviceBusy || status == BadValue) {
+ rep.status = status;
+ ret = Success;
+ } else {
+ ret = BadMatch;
+ }
+
+ break;
+ case DEVICE_ABS_AREA:
+ area = (xDeviceAbsAreaCtl *)&stuff[1];
+
+ status = ChangeDeviceControl(client, dev, (xDeviceCtl *) area);
+
+ if (status == Success) {
+ dev->absolute->offset_x = area->offset_x;
+ dev->absolute->offset_y = area->offset_y;
+ dev->absolute->width = area->width;
+ dev->absolute->height = area->height;
+ dev->absolute->screen = area->screen;
+ dev->absolute->following = area->following;
+ ret = Success;
+ } else if (status == DeviceBusy || status == BadValue) {
+ rep.status = status;
+ ret = Success;
+ } else {
+ ret = Success;
+ }
+
+ break;
+ case DEVICE_CORE:
+ c = (xDeviceCoreCtl *)&stuff[1];
+
+ status = ChangeDeviceControl(client, dev, (xDeviceCtl *) c);
+
+ if (status == Success) {
+ dev->coreEvents = c->status;
+ ret = Success;
+ } else if (status == DeviceBusy) {
+ rep.status = DeviceBusy;
+ ret = Success;
+ } else {
+ ret = BadMatch;
+ }
+
+ break;
+ case DEVICE_ENABLE:
+ e = (xDeviceEnableCtl *)&stuff[1];
+
+ status = ChangeDeviceControl(client, dev, (xDeviceCtl *) e);
+
+ if (status == Success) {
+ if (e->enable)
+ EnableDevice(dev);
+ else
+ DisableDevice(dev);
+ ret = Success;
+ } else if (status == DeviceBusy) {
+ rep.status = DeviceBusy;
+ ret = Success;
+ } else {
+ ret = BadMatch;
+ }
+
+ break;
+ default:
+ ret = BadValue;
+ }
+
+out:
+ if (ret == Success) {
+ dpn.type = DevicePresenceNotify;
+ dpn.time = currentTime.milliseconds;
+ dpn.devchange = DeviceControlChanged;
+ dpn.deviceid = dev->id;
+ dpn.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)
+{
+ char n;
+
+ swaps(&rep->sequenceNumber, n);
+ swapl(&rep->length, n);
+ WriteToClient(client, size, (char *)rep);
+}
generated by cgit v1.2.3 (git 2.25.1) at 2024-12-02 18:26:18 +0000