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_set_font.cxx b/common/fltk/src/fl_set_font.cxx
new file mode 100644
index 0000000..0ae7305
--- /dev/null
+++ b/common/fltk/src/fl_set_font.cxx
@@ -0,0 +1,97 @@
+//
+// "$Id: fl_set_font.cxx 7903 2010-11-28 21:06:39Z matt $"
+//
+// Font utilities for the Fast Light Tool Kit (FLTK).
+//
+// 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
+//
+
+// Add a font to the internal table.
+// Also see fl_set_fonts.cxx which adds all possible fonts.
+
+#include <FL/Fl.H>
+#include <FL/x.H>
+#include <FL/fl_draw.H>
+#include "flstring.h"
+#include "Fl_Font.H"
+#include <stdlib.h>
+
+static int table_size;
+/**
+  Changes a face.  The string pointer is simply stored,
+  the string is not copied, so the string must be in static memory.
+*/    
+void Fl::set_font(Fl_Font fnum, const char* name) {
+  while (fnum >= table_size) {
+    int i = table_size;
+    if (!i) {	// don't realloc the built-in table
+      table_size = 2*FL_FREE_FONT;
+      i = FL_FREE_FONT;
+      Fl_Fontdesc* t = (Fl_Fontdesc*)malloc(table_size*sizeof(Fl_Fontdesc));
+      memcpy(t, fl_fonts, FL_FREE_FONT*sizeof(Fl_Fontdesc));
+      fl_fonts = t;
+    } else {
+      table_size = 2*table_size;
+      fl_fonts=(Fl_Fontdesc*)realloc(fl_fonts, table_size*sizeof(Fl_Fontdesc));
+    }
+    for (; i < table_size; i++) {
+      fl_fonts[i].fontname[0] = 0;
+      fl_fonts[i].name = 0;
+#if !defined(WIN32) && !defined(__APPLE__)
+      fl_fonts[i].xlist = 0;
+      fl_fonts[i].n = 0;
+#endif // !WIN32 && !__APPLE__
+    }
+  }
+  Fl_Fontdesc* s = fl_fonts+fnum;
+  if (s->name) {
+    if (!strcmp(s->name, name)) {s->name = name; return;}
+#if !defined(WIN32) && !defined(__APPLE__)
+    if (s->xlist && s->n >= 0) XFreeFontNames(s->xlist);
+#endif
+    for (Fl_Font_Descriptor* f = s->first; f;) {
+      Fl_Font_Descriptor* n = f->next; delete f; f = n;
+    }
+    s->first = 0;
+  }
+  s->name = name;
+  s->fontname[0] = 0;
+#if !defined(WIN32) && !defined(__APPLE__)
+  s->xlist = 0;
+#endif
+  s->first = 0;
+  fl_font(-1, 0);
+}
+/** Copies one face to another. */
+void Fl::set_font(Fl_Font fnum, Fl_Font from) {
+  Fl::set_font(fnum, get_font(from));
+}
+/**
+    Gets the string for this face.  This string is different for each
+    face. Under X this value is passed to XListFonts to get all the sizes
+    of this face.
+*/
+const char* Fl::get_font(Fl_Font fnum) {return fl_fonts[fnum].name;}
+
+//
+// End of "$Id: fl_set_font.cxx 7903 2010-11-28 21:06:39Z matt $".
+//