diff --git a/ncurses/trace/lib_tracemse.c b/ncurses/trace/lib_tracemse.c
new file mode 100644
index 0000000..74cc177
--- /dev/null
+++ b/ncurses/trace/lib_tracemse.c
@@ -0,0 +1,125 @@
+/****************************************************************************
+ * Copyright (c) 1998-2007,2008 Free Software Foundation, Inc.              *
+ *                                                                          *
+ * Permission is hereby granted, free of charge, to any person obtaining a  *
+ * copy of this software and associated documentation files (the            *
+ * "Software"), to deal in the Software without restriction, including      *
+ * without limitation the rights to use, copy, modify, merge, publish,      *
+ * distribute, distribute with modifications, sublicense, and/or sell       *
+ * copies of the Software, and to permit persons to whom the Software is    *
+ * furnished to do so, subject to the following conditions:                 *
+ *                                                                          *
+ * 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 ABOVE COPYRIGHT HOLDERS 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(s) of the above copyright   *
+ * holders shall not be used in advertising or otherwise to promote the     *
+ * sale, use or other dealings in this Software without prior written       *
+ * authorization.                                                           *
+ ****************************************************************************/
+
+/****************************************************************************
+ *  Author: Zeyd M. Ben-Halim <zmbenhal@netcom.com> 1992,1995               *
+ *     and: Eric S. Raymond <esr@snark.thyrsus.com>                         *
+ *     and: Thomas E. Dickey                        1996-on                 *
+ ****************************************************************************/
+
+/*
+ *	lib_tracemse.c - Tracing/Debugging routines (mouse events)
+ */
+
+#include <curses.priv.h>
+
+MODULE_ID("$Id: lib_tracemse.c,v 1.15 2008/08/03 15:39:29 tom Exp $")
+
+#ifdef TRACE
+
+#define my_buffer sp->tracemse_buf
+
+NCURSES_EXPORT(char *)
+_nc_tracemouse(SCREEN *sp, MEVENT const *ep)
+{
+    (void) sprintf(my_buffer, TRACEMSE_FMT,
+		   ep->id,
+		   ep->x,
+		   ep->y,
+		   ep->z,
+		   (unsigned long) ep->bstate);
+
+#define SHOW(m, s) if ((ep->bstate & m) == m) strcat(strcat(my_buffer, s), ", ")
+
+    SHOW(BUTTON1_RELEASED, "release-1");
+    SHOW(BUTTON1_PRESSED, "press-1");
+    SHOW(BUTTON1_CLICKED, "click-1");
+    SHOW(BUTTON1_DOUBLE_CLICKED, "doubleclick-1");
+    SHOW(BUTTON1_TRIPLE_CLICKED, "tripleclick-1");
+#if NCURSES_MOUSE_VERSION == 1
+    SHOW(BUTTON1_RESERVED_EVENT, "reserved-1");
+#endif
+
+    SHOW(BUTTON2_RELEASED, "release-2");
+    SHOW(BUTTON2_PRESSED, "press-2");
+    SHOW(BUTTON2_CLICKED, "click-2");
+    SHOW(BUTTON2_DOUBLE_CLICKED, "doubleclick-2");
+    SHOW(BUTTON2_TRIPLE_CLICKED, "tripleclick-2");
+#if NCURSES_MOUSE_VERSION == 1
+    SHOW(BUTTON2_RESERVED_EVENT, "reserved-2");
+#endif
+
+    SHOW(BUTTON3_RELEASED, "release-3");
+    SHOW(BUTTON3_PRESSED, "press-3");
+    SHOW(BUTTON3_CLICKED, "click-3");
+    SHOW(BUTTON3_DOUBLE_CLICKED, "doubleclick-3");
+    SHOW(BUTTON3_TRIPLE_CLICKED, "tripleclick-3");
+#if NCURSES_MOUSE_VERSION == 1
+    SHOW(BUTTON3_RESERVED_EVENT, "reserved-3");
+#endif
+
+    SHOW(BUTTON4_RELEASED, "release-4");
+    SHOW(BUTTON4_PRESSED, "press-4");
+    SHOW(BUTTON4_CLICKED, "click-4");
+    SHOW(BUTTON4_DOUBLE_CLICKED, "doubleclick-4");
+    SHOW(BUTTON4_TRIPLE_CLICKED, "tripleclick-4");
+#if NCURSES_MOUSE_VERSION == 1
+    SHOW(BUTTON4_RESERVED_EVENT, "reserved-4");
+#endif
+
+#if NCURSES_MOUSE_VERSION == 2
+    SHOW(BUTTON5_RELEASED, "release-5");
+    SHOW(BUTTON5_PRESSED, "press-5");
+    SHOW(BUTTON5_CLICKED, "click-5");
+    SHOW(BUTTON5_DOUBLE_CLICKED, "doubleclick-5");
+    SHOW(BUTTON5_TRIPLE_CLICKED, "tripleclick-5");
+#endif
+
+    SHOW(BUTTON_CTRL, "ctrl");
+    SHOW(BUTTON_SHIFT, "shift");
+    SHOW(BUTTON_ALT, "alt");
+    SHOW(ALL_MOUSE_EVENTS, "all-events");
+    SHOW(REPORT_MOUSE_POSITION, "position");
+
+#undef SHOW
+
+    if (my_buffer[strlen(my_buffer) - 1] == ' ')
+	my_buffer[strlen(my_buffer) - 2] = '\0';
+    (void) strcat(my_buffer, "}");
+    return (my_buffer);
+}
+
+NCURSES_EXPORT(char *)
+_tracemouse(MEVENT const *ep)
+{
+    return _nc_tracemouse(SP, ep);
+}
+
+#else /* !TRACE */
+EMPTY_MODULE(_nc_lib_tracemouse)
+#endif