ncurses 5.6 - patch 20070612

[ncurses.git] / ncurses / widechar / lib_key_name.c

diff --git a/ncurses/widechar/lib_key_name.c b/ncurses/widechar/lib_key_name.c
new file mode 100644 (file)
index 0000000..e24c965
--- /dev/null
+++ b/ncurses/widechar/lib_key_name.c
@@ -0,0 +1,62 @@
+/****************************************************************************
+ * Copyright (c) 2007 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.                                                           *
+ ****************************************************************************/
+
+/*
+**     lib_key_name.c
+**
+**     The routine key_name().
+**
+*/
+
+#include <curses.priv.h>
+
+MODULE_ID("$Id: lib_key_name.c,v 1.2 2007/06/12 21:01:13 tom Exp $")
+
+NCURSES_EXPORT(NCURSES_CONST char *)
+key_name(wchar_t c)
+{
+    cchar_t my_cchar;
+    wchar_t *my_wchars;
+    size_t len;
+
+    /* FIXME: move to _nc_globals */
+    static char result[MB_LEN_MAX + 1];
+
+    memset(&my_cchar, 0, sizeof(my_cchar));
+    my_cchar.chars[0] = c;
+    my_cchar.chars[1] = L'\0';
+
+    my_wchars = wunctrl(&my_cchar);
+    len = wcstombs(result, my_wchars, sizeof(result) - 1);
+    if (isEILSEQ(len) || (len == 0)) {
+       return "UNKNOWN KEY";
+    }
+
+    result[len] = '\0';
+    return result;
+}