Importing xserver from X.Org 7.2RC2

1 files changed, 175 insertions, 0 deletions

diff --git a/xserver/Xi/closedev.c b/xserver/Xi/closedev.c
new file mode 100644
index 000000000..cc83e6a5b
--- /dev/null
+++ b/xserver/Xi/closedev.c
@@ -0,0 +1,175 @@
+/************************************************************
+
+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.
+
+********************************************************/
+
+/***********************************************************************
+ *
+ * Extension function to close an extension input device.
+ *
+ */
+
+#define	 NEED_EVENTS
+#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 "windowstr.h"	/* window structure  */
+#include "scrnintstr.h"	/* screen structure  */
+#include <X11/extensions/XI.h>
+#include <X11/extensions/XIproto.h>
+#include "XIstubs.h"
+#include "extnsionst.h"
+#include "extinit.h"	/* LookupDeviceIntRec */
+#include "exglobals.h"
+
+#include "closedev.h"
+
+/***********************************************************************
+ *
+ * This procedure closes an input device.
+ *
+ */
+
+int
+SProcXCloseDevice(register ClientPtr client)
+{
+    register char n;
+
+    REQUEST(xCloseDeviceReq);
+    swaps(&stuff->length, n);
+    REQUEST_SIZE_MATCH(xCloseDeviceReq);
+    return (ProcXCloseDevice(client));
+}
+
+/***********************************************************************
+ *
+ * This procedure closes an input device.
+ *
+ */
+
+int
+ProcXCloseDevice(register ClientPtr client)
+{
+    int i;
+    WindowPtr pWin, p1;
+    DeviceIntPtr d;
+
+    REQUEST(xCloseDeviceReq);
+    REQUEST_SIZE_MATCH(xCloseDeviceReq);
+
+    d = LookupDeviceIntRec(stuff->deviceid);
+    if (d == NULL) {
+	SendErrorToClient(client, IReqCode, X_CloseDevice, 0, BadDevice);
+	return Success;
+    }
+
+    if (d->grab && SameClient(d->grab, client))
+	(*d->DeactivateGrab) (d);	/* release active grab */
+
+    /* Remove event selections from all windows for events from this device 
+     * and selected by this client.
+     * Delete passive grabs from all windows for this device.      */
+
+    for (i = 0; i < screenInfo.numScreens; i++) {
+	pWin = WindowTable[i];
+	DeleteDeviceEvents(d, pWin, client);
+	p1 = pWin->firstChild;
+	DeleteEventsFromChildren(d, p1, client);
+    }
+
+    CloseInputDevice(d, client);
+    return Success;
+}
+
+/***********************************************************************
+ *
+ * Walk througth the window tree, deleting event selections for this client
+ * from this device from all windows.
+ *
+ */
+
+void
+DeleteEventsFromChildren(DeviceIntPtr dev, WindowPtr p1, ClientPtr client)
+{
+    WindowPtr p2;
+
+    while (p1) {
+	p2 = p1->firstChild;
+	DeleteDeviceEvents(dev, p1, client);
+	DeleteEventsFromChildren(dev, p2, client);
+	p1 = p1->nextSib;
+    }
+}
+
+/***********************************************************************
+ *
+ * Clear out event selections and passive grabs from a window for the
+ * specified device.
+ *
+ */
+
+void
+DeleteDeviceEvents(DeviceIntPtr dev, WindowPtr pWin, ClientPtr client)
+{
+    InputClientsPtr others;
+    OtherInputMasks *pOthers;
+    GrabPtr grab, next;
+
+    if ((pOthers = wOtherInputMasks(pWin)) != 0)
+	for (others = pOthers->inputClients; others; others = others->next)
+	    if (SameClient(others, client))
+		others->mask[dev->id] = NoEventMask;
+
+    for (grab = wPassiveGrabs(pWin); grab; grab = next) {
+	next = grab->next;
+	if ((grab->device == dev) &&
+	    (client->clientAsMask == CLIENT_BITS(grab->resource)))
+	    FreeResource(grab->resource, RT_NONE);
+    }
+}