Initial revisionXORG-RELEASE-1-BASEXEVIE-MERGEXEVIE-BASEXORG-STABLE

1 files changed, 175 insertions, 0 deletions

diff --git a/src/XECallBcks.c b/src/XECallBcks.c
new file mode 100644
index 0000000..e04f1e4
--- /dev/null
+++ b/src/XECallBcks.c
@@ -0,0 +1,175 @@
+/* $XFree86: xc/lib/XTrap/XECallBcks.c,v 1.1 2001/11/02 23:29:27 dawes Exp $ */
+/*****************************************************************************
+Copyright 1987, 1988, 1989, 1990, 1991 by Digital Equipment Corp., Maynard, MA
+
+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 Digital not be
+used in advertising or publicity pertaining to distribution of the
+software without specific, written prior permission.  
+
+DIGITAL DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING
+ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO EVENT SHALL
+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.
+
+*****************************************************************************/
+/*
+ *
+ *  CONTRIBUTORS:
+ *
+ *      Dick Annicchiarico
+ *      Robert Chesler
+ *      Dan Coutu
+ *      Gene Durso
+ *      Marc Evans
+ *      Alan Jamison
+ *      Mark Henry
+ *      Ken Miller
+ *
+ */
+/*
+ * This file contains XETrap Callback initilization routines.
+ * The callback data hang off of the TC and are freed as part of the
+ * XEFreeTC routine.
+ */
+
+#include <X11/Xos.h>
+#include <X11/extensions/xtraplib.h>
+#include <X11/extensions/xtraplibp.h>
+
+int XEAddRequestCB(XETC *tc, CARD8 req, void_function func, BYTE *data)
+{
+    if (!tc->values.req_cb)
+    {   /* This is the first time for this particular TC, need to malloc */
+        if ((tc->values.req_cb =
+            (XETrapCB *)XtCalloc(256L,sizeof(XETrapCB))) == NULL)
+        {
+            /* XtCalloc already reported the error */
+            return(False);
+        }
+    }
+    tc->values.req_cb[req].func = func;
+    tc->values.req_cb[req].data = data;
+
+    return(True);
+}
+
+int XEAddRequestCBs(XETC *tc, ReqFlags req_flags, void_function func,
+    BYTE *data)
+{
+    int i;
+    int status = True;
+
+    for (i=0; i<=255L; i++)
+    {
+        if (BitIsTrue(req_flags, i))
+        {
+            status = XEAddRequestCB(tc, (CARD8)i, func, data);
+        }
+    }
+    return(status);
+}
+
+int XEAddEventCB(XETC *tc, CARD8 evt, void_function func, BYTE *data)
+{
+    if (!tc->values.evt_cb)
+    {   /* This is the first time for this particular TC, need to malloc */
+        if ((tc->values.evt_cb = 
+            (XETrapCB *)XtCalloc(XETrapCoreEvents,sizeof(XETrapCB))) == NULL)
+        {
+            /* XtCalloc already reported the error */
+            return(False);
+        }
+    }
+    tc->values.evt_cb[evt].func = func;
+    tc->values.evt_cb[evt].data = data;
+
+    return(True);
+}
+
+int XEAddEventCBs(XETC *tc, EventFlags evt_flags, void_function func,
+    BYTE *data)
+{
+    int i;
+    int status = True;
+
+    for (i=KeyPress; i<=MotionNotify; i++)
+    {
+        if (BitIsTrue(evt_flags, i))
+        {
+            status = XEAddEventCB(tc, (CARD8)i, func, data);
+        }
+    }
+    return(status);
+}
+
+void XERemoveRequestCB(XETC *tc, CARD8 req)
+{
+    if (!tc->values.req_cb)
+    {   /* We gotta problem!  CB struct not allocated! */
+        return;
+    }
+    tc->values.req_cb[req].func = (void_function)NULL;
+    tc->values.req_cb[req].data = (BYTE *)NULL;
+    return;
+}
+void XERemoveRequestCBs(XETC *tc, ReqFlags req_flags)
+{
+    int i;
+
+    for (i=0; i<=255L; i++)
+    {
+        if (BitIsTrue(req_flags, i))
+        {
+            XERemoveRequestCB(tc, (CARD8)i);
+        }
+    }
+}
+
+void XERemoveAllRequestCBs(XETC *tc)
+{
+    if (!tc->values.req_cb)
+    {   /* We gotta problem!  CB struct not allocated! */
+        return;
+    }
+    XtFree((XtPointer)tc->values.req_cb);
+}
+
+void XERemoveEventCB(XETC *tc, CARD8 evt)
+{
+    if (!tc->values.evt_cb)
+    {   /* We gotta problem!  CB struct not allocated! */
+        return;
+    }
+    tc->values.evt_cb[evt].func = (void_function)NULL;
+    tc->values.evt_cb[evt].data = (BYTE *)NULL;
+    return;
+}
+
+void XERemoveEventCBs(XETC *tc, EventFlags evt_flags)
+{
+    int i;
+
+    for (i=KeyPress; i<=MotionNotify; i++)
+    {
+        if (BitIsTrue(evt_flags, i))
+        {
+            XERemoveEventCB(tc, (CARD8)i);
+        }
+    }
+}
+
+void XERemoveAllEventCBs(XETC *tc)
+{
+    if (!tc->values.evt_cb)
+    {   /* We gotta problem!  CB struct not allocated! */
+        return;
+    }
+    XtFree((XtPointer)tc->values.evt_cb);
+}