summaryrefslogtreecommitdiff
path: root/difs/events.c
diff options
context:
space:
mode:
Diffstat (limited to 'difs/events.c')
-rw-r--r--difs/events.c134
1 files changed, 134 insertions, 0 deletions
diff --git a/difs/events.c b/difs/events.c
new file mode 100644
index 0000000..cd75ad4
--- /dev/null
+++ b/difs/events.c
@@ -0,0 +1,134 @@
+/* $Xorg: events.c,v 1.4 2001/02/09 02:05:42 xorgcvs Exp $ */
+/*
+ * event handling stuff
+ */
+/*
+
+Copyright 1990, 1991, 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 1990, 1991 Network Computing Devices;
+ * Portions Copyright 1987 by Digital Equipment Corporation
+ *
+ * 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, and that the names of Network Computing Devices, or Digital
+ * not be used in advertising or publicity pertaining to distribution
+ * of the software without specific, written prior permission.
+ *
+ * NETWORK COMPUTING DEVICES, AND DIGITAL DISCLAIM ALL WARRANTIES WITH
+ * REGARD TO THIS SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS, IN NO EVENT SHALL NETWORK COMPUTING DEVICES,
+ * OR DIGITAL 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.
+ */
+
+#include "clientstr.h"
+#include "FSproto.h"
+#include "globals.h"
+#include "events.h"
+
+extern void (*EventSwapVector[NUM_EVENT_VECTORS]) ();
+
+static Mask lastEventMask = FontChangeNotifyMask;
+
+#define AllEventMasks (lastEventMask | (lastEventMask - 1))
+
+void
+WriteErrorToClient(client, error)
+ ClientPtr client;
+ fsError *error;
+{
+ if (client->swapped) {
+ fsError errorTo;
+
+ SErrorEvent(error, &errorTo);
+ (void) WriteToClient(client, SIZEOF(fsError), (char *) &errorTo);
+ } else {
+ (void) WriteToClient(client, SIZEOF(fsError),
+ (char *) error);
+ }
+}
+
+int
+ProcSetEventMask(client)
+ ClientPtr client;
+{
+ REQUEST(fsSetEventMaskReq);
+ REQUEST_AT_LEAST_SIZE(fsSetEventMaskReq);
+
+ if (stuff->event_mask & ~AllEventMasks) {
+ SendErrToClient(client, FSBadEventMask, (pointer) stuff->event_mask);
+ return FSBadEventMask;
+ }
+ client->eventmask = stuff->event_mask;
+ return client->noClientException;
+}
+
+int
+ProcGetEventMask(client)
+ ClientPtr client;
+{
+ fsGetEventMaskReply rep;
+
+ REQUEST(fsGetEventMaskReq);
+ REQUEST_AT_LEAST_SIZE(fsGetEventMaskReq);
+
+ rep.type = FS_Reply;
+ rep.sequenceNumber = client->sequence;
+ rep.length = SIZEOF(fsGetEventMaskReply) >> 2;
+ rep.event_mask = client->eventmask;
+
+ return client->noClientException;
+}
+
+void
+SendKeepAliveEvent(client)
+ ClientPtr client;
+{
+ fsKeepAliveEvent ev;
+
+ ev.type = FS_Event;
+ ev.event_code = KeepAlive;
+ ev.sequenceNumber = client->sequence;
+ ev.length = SIZEOF(fsKeepAliveEvent) >> 2;
+ ev.timestamp = GetTimeInMillis();
+
+#ifdef DEBUG
+ fprintf(stderr, "client #%d is getting a KeepAlive\n", client->index);
+#endif
+
+ if (client->swapped) {
+ /* SErrorEvent requires two fsError pointers */
+ fsError evTo;
+
+ SErrorEvent((fsError *) & ev, (fsError *) &evTo);
+ (void) WriteToClient(client, SIZEOF(fsKeepAliveEvent), (char *) &evTo);
+ } else {
+ (void) WriteToClient(client, SIZEOF(fsKeepAliveEvent), (char *) &ev);
+ }
+}