Imported nx-X11-3.1.0-1.tar.gznx-X11/3.1.0-1

Summary: Imported nx-X11-3.1.0-1.tar.gz
Keywords:

Imported nx-X11-3.1.0-1.tar.gz
into Git repository

1 files changed, 218 insertions, 0 deletions

diff --git a/nx-X11/lib/XTrap/XETrapInit.c b/nx-X11/lib/XTrap/XETrapInit.c
new file mode 100644
index 000000000..a4a04310f
--- /dev/null
+++ b/nx-X11/lib/XTrap/XETrapInit.c
@@ -0,0 +1,218 @@
+/* $XFree86: xc/lib/XTrap/XETrapInit.c,v 1.2 2001/11/08 04:00:12 tsi Exp $ */
+/*****************************************************************************
+Copyright 1987, 1988, 1989, 1990, 1991, 1992 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.
+
+*****************************************************************************/
+#define NEED_EVENTS
+#define NEED_REPLIES
+
+#include <stdio.h>
+#include <X11/extensions/xtraplib.h>
+#include <X11/extensions/xtraplibp.h>
+#include <X11/extensions/Xext.h>
+#include <X11/extensions/extutil.h>
+
+#ifndef XETrapNumberErrors
+#define XETrapNumberErrors 0
+#endif
+
+#ifdef UWS40
+#define _XSetLastRequestRead _SetLastRequestRead
+#endif
+#ifndef vms
+extern unsigned long _XSetLastRequestRead(Display *dpy, xGenericReply *rep);
+#else
+static unsigned long _XSetLastRequestRead(Display *dpy, xGenericReply *rep);
+#endif
+
+static XExtensionInfo *xtrap_info = NULL;
+static /* const */ char *xtrap_extension_name = XTrapExtName;
+
+#define XTrapCheckExtension(dpy,i,val) \
+    XextCheckExtension(dpy, i, xtrap_extension_name, val)
+#define XTrapSimpleCheckExtension(dpy,i) \
+    XextSimpleCheckExtension(dpy, i, xtrap_extension_name)
+
+static XEXT_CLOSE_DISPLAY_PROTO(close_display);
+static Bool wire_to_event(Display *dpy, XEvent *event, xEvent *wire_ev);
+static Status event_to_wire(Display *dpy, XEvent *event, xEvent *wire_ev);
+
+#ifdef X11R3
+static int error_string();
+#else
+static XEXT_ERROR_STRING_PROTO(error_string);
+#endif
+static /* const */ XExtensionHooks xtrap_extension_hooks = {
+    NULL,                               /* create_gc */
+    NULL,                               /* copy_gc */
+    NULL,                               /* flush_gc */
+    NULL,                               /* free_gc */
+    NULL,                               /* create_font */
+    NULL,                               /* free_font */
+    close_display,                      /* close_display */
+    wire_to_event,                      /* wire_to_event */
+    event_to_wire,                      /* event_to_wire */
+    NULL,                               /* error */
+    error_string                        /* error_string */
+};
+
+static /* const */ char *xtrap_error_list[] = {
+    "BadTransport (I/O transport not available)",
+    "BadMailbox (Cannot connect/disconnect to mailbox)",
+    "BadIO (I/O error while reading/writing in extension)",
+    "BadHostname (Cannot locate requested host)",
+    "BadStatistics (Statistics not configured/available)",
+    "BadDevices (Devices not properly vectored)",
+    "BadSocket (Cannot connect to INTERNET socket)",
+    "BadScreen (Cannot send event to given screen)",
+    "BadSwapReq (Cannot trap extension requests for swapped client)",
+};
+
+static XEXT_GENERATE_FIND_DISPLAY (find_display, xtrap_info,
+                                   xtrap_extension_name,
+                                   &xtrap_extension_hooks,
+                                   XETrapNumberEvents, NULL)
+
+static XEXT_GENERATE_CLOSE_DISPLAY (close_display, xtrap_info)
+
+static XEXT_GENERATE_ERROR_STRING (error_string, xtrap_extension_name,
+                                   XETrapNumErrors, xtrap_error_list)
+
+static Bool event_to_wire(Display *dpy, XEvent *libevent, xEvent *netevent)
+{
+    Bool status = False;
+    XExtDisplayInfo *info = find_display(dpy);
+
+    XTrapCheckExtension(dpy,info,False);
+
+    /* If we had more then one event */
+#if XETrapNumberErrors > 1
+    switch((netevent->u.u.type & 0x7f) - info->codes->first_event)
+    {   case XETrapData:
+#endif
+        {
+            XETrapDataEvent *ev    = (XETrapDataEvent *) libevent;
+            xETrapDataEvent *event = (xETrapDataEvent *) netevent;
+
+            event->type           = ev->type;
+            event->detail         = ev->detail;
+            event->sequenceNumber = (ev->serial & 0xFFFF);
+            event->idx            = ev->idx;
+            (void)memcpy(event->data,ev->data,sizeof(event->data));
+            status = True;
+        }
+#if XETrapNumberErrors > 1
+    }
+#endif
+    return(status);
+}
+
+static Bool wire_to_event(Display *dpy, XEvent *libevent, xEvent *netevent)
+{
+    Bool status = False;
+    XExtDisplayInfo *info = find_display(dpy);
+
+    XTrapCheckExtension(dpy,info,False);
+
+    /* If we had more then one event */
+#if XETrapNumberErrors > 1
+    switch((netevent->u.u.type & 0x7f) - info->codes->first_event)
+    {   case XETrapData:
+#endif
+        {
+            XETrapDataEvent *ev    = (XETrapDataEvent *) libevent;
+            xETrapDataEvent *event = (xETrapDataEvent *) netevent;
+
+            ev->type      = event->type & 0x7F;
+            ev->detail    = event->detail;
+            ev->serial    = _XSetLastRequestRead(dpy,(xGenericReply *)netevent);
+            ev->synthetic = ((event->type & 0x80) != 0);
+            ev->display   = dpy;
+            ev->idx       = event->idx;
+            (void)memcpy(ev->data,event->data,sizeof(ev->data));
+            status = True;
+        }
+#if XETrapNumberErrors > 1
+    }
+#endif
+    return(status);
+}
+
+/*
+ * XETrapQueryExtension -
+ *      Returns True if the DEC-XTRAP extension is available
+ *      on the given display.  If the extension exists, the value of the
+ *      first event code is stored into event_base and the value of the first
+ *      error code is stored into error_base.
+ */
+Bool XETrapQueryExtension(Display *dpy,INT32 *event_base_return,
+    INT32 *error_base_return, INT32 *opcode_return)
+{
+    Bool status = True;
+    XExtDisplayInfo *info = find_display (dpy);
+
+    if (XextHasExtension (info))
+    {
+        *event_base_return = (INT32)(info->codes->first_event);
+        *error_base_return = (INT32)(info->codes->first_error);
+	*opcode_return     = (INT32)(info->codes->major_opcode);
+    }
+    else
+    {
+        status = False;
+    }
+    return(status);
+}
+
+#ifdef vms
+/* Hard-coded since this didn't make it into XLibShr's xfer vector */
+/* From [.XLIBEL.SRC]XLibInt.c in VMS Source Pool */
+unsigned long _XSetLastRequestRead(Display *dpy, xGenericReply *rep)
+{
+    register unsigned long      newseq, lastseq;
+
+    /*
+     * KeymapNotify has no sequence number, but is always guaranteed
+     * to immediately follow another event, except when generated via
+     * SendEvent (hmmm).
+     */
+    if ((rep->type & 0x7f) == KeymapNotify)
+        return(dpy->last_request_read);
+
+    newseq = (dpy->last_request_read & ~((unsigned long)0xffff)) |
+             rep->sequenceNumber;
+    lastseq = dpy->last_request_read;
+    while (newseq < lastseq) {
+        newseq += 0x10000;
+        if (newseq > dpy->request) {
+            (void) fprintf (stderr,
+            "Xlib:  sequence lost (0x%lx > 0x%lx) in reply type 0x%x!\n",
+                                    newseq, dpy->request,
+                                   (unsigned int) rep->type);
+            newseq -= 0x10000;
+           break;
+        }
+    }
+
+    dpy->last_request_read = newseq;
+    return(newseq);
+}
+#endif
+