Include a stripped-down version of FLTK in tree and add a USE_INCLUDED_FLTK option to build against it.


git-svn-id: svn://svn.code.sf.net/p/tigervnc/code/trunk@4603 3789f03b-4d11-0410-bbf8-ca57d06f2519
diff --git a/common/fltk/src/fl_encoding_latin1.cxx b/common/fltk/src/fl_encoding_latin1.cxx
new file mode 100644
index 0000000..bac5311
--- /dev/null
+++ b/common/fltk/src/fl_encoding_latin1.cxx
@@ -0,0 +1,137 @@
+//
+// "$Id: fl_encoding_latin1.cxx 7903 2010-11-28 21:06:39Z matt $"
+//
+// Convert MSWindows-1252 (Latin-1) encoded text to the local encoding.
+//
+// Copyright 1998-2010 by Bill Spitzak and others.
+//
+// This library is free software; you can redistribute it and/or
+// modify it under the terms of the GNU Library General Public
+// License as published by the Free Software Foundation; either
+// version 2 of the License, or (at your option) any later version.
+//
+// This library is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+// Library General Public License for more details.
+//
+// You should have received a copy of the GNU Library General Public
+// License along with this library; if not, write to the Free Software
+// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
+// USA.
+//
+// Please report all bugs and problems on the following page:
+//
+//     http://www.fltk.org/str.php
+//
+
+#include <FL/fl_draw.H>
+#include <FL/Enumerations.H>
+#include <stdlib.h>
+#include "flstring.h"
+
+#ifdef __APPLE__
+ 
+// These function assume a western code page. If you need to support 
+// scripts that are not part of this code page, you might want to
+// take a look at FLTK2, which uses utf8 for text encoding.
+//
+// By keeping these conversion tables in their own module, they will not
+// be statically linked (by a smart linker) unless actually used.
+//
+// On MS-Windows, nothing need to be converted. We simply return the 
+// original pointer.
+//
+// Most X11 implementations seem to default to Latin-1 as a code since it
+// is a superset of ISO 8859-1, the original wetsern codepage on X11.
+//
+// Apple's OS X however renders text in MacRoman for western settings. The
+// lookup tables below will convert all common character codes and replace
+// unknown characters with an upsidedown question mark.
+
+// This table converts MSWindows-1252/Latin 1 into MacRoman encoding
+static uchar latin2roman[128] = {
+0xdb, 0xc0, 0xe2, 0xc4, 0xe3, 0xc9, 0xa0, 0xe0, 0xf6, 0xe4, 0xc0, 0xdc, 0xce, 0xc0, 0xc0, 0xc0, 
+0xc0, 0xd4, 0xd5, 0xd2, 0xd3, 0xa5, 0xd0, 0xd1, 0xf7, 0xaa, 0xc0, 0xdd, 0xcf, 0xc0, 0xc0, 0xd9, 
+0xca, 0xc1, 0xa2, 0xa3, 0xc0, 0xb4, 0xc0, 0xa4, 0xac, 0xa9, 0xbb, 0xc7, 0xc2, 0xc0, 0xa8, 0xf8, 
+0xa1, 0xb1, 0xc0, 0xc0, 0xab, 0xb5, 0xa6, 0xe1, 0xfc, 0xc0, 0xbc, 0xc8, 0xc0, 0xc0, 0xc0, 0xc0, 
+0xcb, 0xe7, 0xe5, 0xcc, 0x80, 0x81, 0xae, 0x82, 0xe9, 0x83, 0xe6, 0xe8, 0xed, 0xea, 0xeb, 0xec, 
+0xc0, 0x84, 0xf1, 0xee, 0xef, 0xcd, 0x85, 0xc0, 0xaf, 0xf4, 0xf2, 0xf3, 0x86, 0xc0, 0xc0, 0xa7, 
+0x88, 0x87, 0x89, 0x8b, 0x8a, 0x8c, 0xbe, 0x8d, 0x8f, 0x8e, 0x90, 0x91, 0x93, 0x92, 0x94, 0x95, 
+0xc0, 0x96, 0x98, 0x97, 0x99, 0x9b, 0x9a, 0xd6, 0xbf, 0x9d, 0x9c, 0x9e, 0x9f, 0xc0, 0xc0, 0xd8
+};
+
+// This table converts MacRoman into MSWindows-1252/Latin 1
+static uchar roman2latin[128] = {
+0xc4, 0xc5, 0xc7, 0xc9, 0xd1, 0xd6, 0xdc, 0xe1, 0xe0, 0xe2, 0xe4, 0xe3, 0xe5, 0xe7, 0xe9, 0xe8, 
+0xea, 0xeb, 0xed, 0xec, 0xee, 0xef, 0xf1, 0xf3, 0xf2, 0xf4, 0xf6, 0xf5, 0xfa, 0xf9, 0xfb, 0xfc, 
+0x86, 0xb0, 0xa2, 0xa3, 0xa7, 0x95, 0xb6, 0xdf, 0xae, 0xa9, 0x99, 0xb4, 0xa8, 0xbf, 0xc6, 0xd8, 
+0xbf, 0xb1, 0xbf, 0xbf, 0xa5, 0xb5, 0xbf, 0xbf, 0xbf, 0xbf, 0xbf, 0xaa, 0xba, 0xbf, 0xe6, 0xf8, 
+0xbf, 0xa1, 0xac, 0xbf, 0x83, 0xbf, 0xbf, 0xab, 0xbb, 0x85, 0xa0, 0xc0, 0xc3, 0xd5, 0x8c, 0x9c, 
+0x96, 0x97, 0x93, 0x94, 0x91, 0x92, 0xf7, 0xbf, 0xff, 0x9f, 0xbf, 0x80, 0x8b, 0x9b, 0xbf, 0xbf, 
+0x87, 0xb7, 0x82, 0x84, 0x89, 0xc2, 0xca, 0xc1, 0xcb, 0xc8, 0xcd, 0xce, 0xcf, 0xcc, 0xd3, 0xd4, 
+0xbf, 0xd2, 0xda, 0xdb, 0xd9, 0xbf, 0x88, 0x98, 0xaf, 0xbf, 0xbf, 0xbf, 0xb8, 0xbf, 0xbf, 0xbf
+};
+
+static char *buf = 0;
+static int n_buf = 0;
+
+const char *fl_latin1_to_local(const char *t, int n)  
+{
+  if (n==-1) n = strlen(t);
+  if (n<=n_buf) {
+    n_buf = (n + 257) & 0x7fffff00;
+    if (buf) free(buf);
+    buf = (char*)malloc(n_buf);
+  }
+  const uchar *src = (const uchar*)t;
+  uchar *dst = (uchar*)buf;
+  for ( ; n>0; n--) {
+    uchar c = *src++;
+    if (c>127) 
+      *dst = latin2roman[c-128];
+    else
+      *dst = c;
+  }
+  //*dst = 0; // this would be wrong!
+  return buf;
+}
+
+const char *fl_local_to_latin1(const char *t, int n)
+{
+  if (n==-1) n = strlen(t);
+  if (n<=n_buf) {
+    n_buf = (n + 257) & 0x7fffff00;
+    if (buf) free(buf);
+    buf = (char*)malloc(n_buf);
+  }
+  const uchar *src = (const uchar*)t;
+  uchar *dst = (uchar*)buf;
+  for ( ; n>0; n--) {
+    uchar c = *src++;
+    if (c>127)
+      *dst++ = roman2latin[c-128];
+    else
+      *dst++ = c;
+  }
+  //*dst = 0; // this would be wrong
+  return buf;
+}
+
+#else 
+
+const char *fl_latin1_to_local(const char *t, int) 
+{
+  return t;
+}
+
+const char *fl_local_to_latin1(const char *t, int)
+{
+  return t;
+}
+
+#endif
+
+//
+// End of "$Id: fl_encoding_latin1.cxx 7903 2010-11-28 21:06:39Z matt $".
+//