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_get_key.cxx b/common/fltk/src/Fl_get_key.cxx
new file mode 100644
index 0000000..80bcf91
--- /dev/null
+++ b/common/fltk/src/Fl_get_key.cxx
@@ -0,0 +1,69 @@
+//
+// "$Id: Fl_get_key.cxx 7903 2010-11-28 21:06:39Z matt $"
+//
+// Keyboard state routines 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
+//
+
+#ifdef WIN32
+#  include "Fl_get_key_win32.cxx"
+#elif defined(__APPLE__)
+#  include "Fl_get_key_mac.cxx"
+#else
+
+// Return the current state of a key.  This is the X version.  I identify
+// keys (mostly) by the X keysym.  So this turns the keysym into a keycode
+// and looks it up in the X key bit vector, which Fl_x.cxx keeps track of.
+
+#  include <FL/Fl.H>
+#  include <FL/x.H>
+
+extern char fl_key_vector[32]; // in Fl_x.cxx
+
+int Fl::event_key(int k) {
+  if (k > FL_Button && k <= FL_Button+8)
+    return Fl::event_state(8<<(k-FL_Button));
+  int i;
+#  ifdef __sgi
+  // get some missing PC keyboard keys:
+  if (k == FL_Meta_L) i = 147;
+  else if (k == FL_Meta_R) i = 148;
+  else if (k == FL_Menu) i = 149;
+  else
+#  endif
+    i = XKeysymToKeycode(fl_display, k);
+  if (i==0) return 0;
+  return fl_key_vector[i/8] & (1 << (i%8));
+}
+
+int Fl::get_key(int k) {
+  fl_open_display();
+  XQueryKeymap(fl_display, fl_key_vector);
+  return event_key(k);
+}
+
+#endif
+
+//
+// End of "$Id: Fl_get_key.cxx 7903 2010-11-28 21:06:39Z matt $".
+//