Importing xserver from X.Org 7.2RC2

1 files changed, 195 insertions, 0 deletions

diff --git a/xserver/Xi/chgdctl.c b/xserver/Xi/chgdctl.c
new file mode 100644
index 000000000..d507513a9
--- /dev/null
+++ b/xserver/Xi/chgdctl.c
@@ -0,0 +1,195 @@
+/************************************************************
+
+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 <X11/X.h>	/* for inputstr.h    */
+#include <X11/Xproto.h>	/* Request macro     */
+#include "inputstr.h"	/* DeviceIntPtr      */
+#include <X11/extensions/XI.h>
+#include <X11/extensions/XIproto.h>	/* control constants */
+#include "XIstubs.h"
+
+#include "extnsionst.h"
+#include "extinit.h"	/* LookupDeviceIntRec */
+#include "exglobals.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(register ClientPtr client)
+{
+    register char n;
+
+    REQUEST(xChangeDeviceControlReq);
+    swaps(&stuff->length, n);
+    REQUEST_AT_LEAST_SIZE(xChangeDeviceControlReq);
+    swaps(&stuff->control, n);
+    return (ProcXChangeDeviceControl(client));
+}
+
+/***********************************************************************
+ *
+ * Change the control attributes.
+ *
+ */
+
+int
+ProcXChangeDeviceControl(ClientPtr client)
+{
+    unsigned len;
+    int i, status;
+    DeviceIntPtr dev;
+    xDeviceResolutionCtl *r;
+    xChangeDeviceControlReply rep;
+    AxisInfoPtr a;
+    CARD32 *resolution;
+
+    REQUEST(xChangeDeviceControlReq);
+    REQUEST_AT_LEAST_SIZE(xChangeDeviceControlReq);
+
+    len = stuff->length - (sizeof(xChangeDeviceControlReq) >> 2);
+    dev = LookupDeviceIntRec(stuff->deviceid);
+    if (dev == NULL) {
+	SendErrorToClient(client, IReqCode, X_ChangeDeviceControl, 0,
+			  BadDevice);
+	return Success;
+    }
+
+    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)) {
+	    SendErrorToClient(client, IReqCode, X_ChangeDeviceControl,
+			      0, BadLength);
+	    return Success;
+	}
+	if (!dev->valuator) {
+	    SendErrorToClient(client, IReqCode, X_ChangeDeviceControl, 0,
+			      BadMatch);
+	    return Success;
+	}
+	if ((dev->grab) && !SameClient(dev->grab, client)) {
+	    rep.status = AlreadyGrabbed;
+	    WriteReplyToClient(client, sizeof(xChangeDeviceControlReply), &rep);
+	    return Success;
+	}
+	resolution = (CARD32 *) (r + 1);
+	if (r->first_valuator + r->num_valuators > dev->valuator->numAxes) {
+	    SendErrorToClient(client, IReqCode, X_ChangeDeviceControl, 0,
+			      BadValue);
+	    return Success;
+	}
+	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) {
+		    SendErrorToClient(client, IReqCode,
+				      X_ChangeDeviceControl, 0, BadValue);
+		    return Success;
+		}
+	    for (i = 0; i < r->num_valuators; i++)
+		(a++)->resolution = *resolution++;
+	} else if (status == DeviceBusy) {
+	    rep.status = DeviceBusy;
+	    WriteReplyToClient(client, sizeof(xChangeDeviceControlReply), &rep);
+	    return Success;
+	} else {
+	    SendErrorToClient(client, IReqCode, X_ChangeDeviceControl, 0,
+			      BadMatch);
+	    return Success;
+	}
+	break;
+    default:
+	SendErrorToClient(client, IReqCode, X_ChangeDeviceControl, 0, BadValue);
+	return Success;
+    }
+    WriteReplyToClient(client, sizeof(xChangeDeviceControlReply), &rep);
+    return Success;
+}
+
+/***********************************************************************
+ *
+ * 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)
+{
+    register char n;
+
+    swaps(&rep->sequenceNumber, n);
+    swapl(&rep->length, n);
+    WriteToClient(client, size, (char *)rep);
+}