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_file_dir.cxx b/common/fltk/src/fl_file_dir.cxx
new file mode 100644
index 0000000..a96070a
--- /dev/null
+++ b/common/fltk/src/fl_file_dir.cxx
@@ -0,0 +1,200 @@
+//
+// "$Id: fl_file_dir.cxx 8345 2011-01-31 18:04:09Z manolo $"
+//
+// File chooser widget 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
+//
+
+#include "flstring.h"
+#include <FL/filename.H>
+#include <FL/Fl_File_Chooser.H>
+#include <FL/fl_ask.H>
+
+
+static Fl_File_Chooser	*fc = (Fl_File_Chooser *)0;
+static void		(*current_callback)(const char*) = 0;
+static const char	*current_label = fl_ok;
+
+
+// Do a file chooser callback...
+static void callback(Fl_File_Chooser *, void*) {
+  if (current_callback && fc->value())
+    (*current_callback)(fc->value());
+}
+
+/** \addtogroup  group_comdlg 
+    @{ */
+
+/** 
+    Set the file chooser callback
+    \note \#include <FL/Fl_File_Chooser.H>
+    \relates Fl_File_Chooser
+*/
+void fl_file_chooser_callback(void (*cb)(const char*)) {
+  current_callback = cb;
+}
+
+
+/** 
+    Set the "OK" button label
+    \note \#include <FL/Fl_File_Chooser.H>
+    \relates Fl_File_Chooser
+*/
+void fl_file_chooser_ok_label(const char *l) {
+  if (l) current_label = l;
+  else current_label = fl_ok;
+}
+
+/** 
+    Shows a file chooser dialog and gets a filename. 
+    \note \#include <FL/Fl_File_Chooser.H>
+    \image html Fl_File_Chooser.jpg 
+    \image latex  Fl_File_Chooser.jpg "Fl_File_Chooser" width=12cm
+    \param[in] message text in title bar
+    \param[in] pat filename pattern filter
+    \param[in] fname initial/default filename selection
+    \param[in] relative 0 for absolute path name, relative path name otherwise
+    \return the user selected filename, in absolute or relative format 
+            or NULL if user cancels
+    \relates Fl_File_Chooser
+*/
+char *					// O - Filename or NULL
+fl_file_chooser(const char *message,	// I - Message in titlebar
+                const char *pat,	// I - Filename pattern
+		const char *fname,	// I - Initial filename selection
+		int        relative) {	// I - 0 for absolute path
+  static char	retname[FL_PATH_MAX];		// Returned filename
+
+  if (!fc) {
+    if (!fname || !*fname) fname = ".";
+
+    fc = new Fl_File_Chooser(fname, pat, Fl_File_Chooser::CREATE, message);
+    fc->callback(callback, 0);
+  } else {
+    fc->type(Fl_File_Chooser::CREATE);
+    // see, if we use the same pattern between calls
+    char same_pattern = 0;
+    const char *fcf = fc->filter();
+    if ( fcf && pat && strcmp(fcf, pat)==0)
+      same_pattern = 1;
+    else if ( (fcf==0L || *fcf==0) && (pat==0L || *pat==0) )
+      same_pattern = 1;
+    // now set the pattern to the new pattern (even if they are the same)
+    fc->filter(pat);
+    fc->label(message);
+
+    if (!fname) { // null pointer reuses same filename if pattern didn't change
+      if (!same_pattern && fc->value()) {
+	// if pattern is different, remove name but leave old directory:
+	strlcpy(retname, fc->value(), sizeof(retname));
+
+	char *p = strrchr(retname, '/');
+
+        if (p) {
+	  // If the filename is "/foo", then the directory will be "/", not
+	  // ""...
+	  if (p == retname)
+	    retname[1] = '\0';
+	  else
+	    *p = '\0';
+	}
+	// Set the directory...
+	fc->value(retname);
+      } else {
+        // re-use the previously selected name
+      }
+    } else if (!*fname) { // empty filename reuses directory with empty name
+      const char *fcv = fc->value();
+      if (fcv) 
+        strlcpy(retname, fc->value(), sizeof(retname));
+      else 
+        *retname = 0;
+      const char *n = fl_filename_name(retname);
+      if (n) *((char*)n) = 0;
+      fc->value("");
+      fc->directory(retname);
+    } else {
+       fc->value(fname);
+    }
+  }
+
+  fc->ok_label(current_label);
+  fc->show();
+
+  while (fc->shown())
+    Fl::wait();
+
+  if (fc->value() && relative) {
+    fl_filename_relative(retname, sizeof(retname), fc->value());
+
+    return retname;
+  } else if (fc->value()) return (char *)fc->value();
+  else return 0;
+}
+
+/** Shows a file chooser dialog and gets a directory.
+    \note \#include <FL/Fl_File_Chooser.H>
+    \param[in] message title bar text
+    \param[in] fname initial/default directory name
+    \param[in] relative 0 for absolute path return, relative otherwise
+    \return the directory path string chosen by the user or NULL if user cancels
+    \relates Fl_File_Chooser
+*/
+char *					// O - Directory or NULL
+fl_dir_chooser(const char *message,	// I - Message for titlebar
+               const char *fname,	// I - Initial directory name
+	       int        relative)	// I - 0 for absolute
+{
+  static char	retname[FL_PATH_MAX];		// Returned directory name
+
+  if (!fc) {
+    if (!fname || !*fname) fname = ".";
+
+    fc = new Fl_File_Chooser(fname, "*", Fl_File_Chooser::CREATE |
+                                         Fl_File_Chooser::DIRECTORY, message);
+    fc->callback(callback, 0);
+  } else {
+    fc->type(Fl_File_Chooser::CREATE | Fl_File_Chooser::DIRECTORY);
+    fc->filter("*");
+    if (fname && *fname) fc->value(fname);
+    fc->label(message);
+  }
+
+  fc->show();
+
+  while (fc->shown())
+    Fl::wait();
+
+  if (fc->value() && relative) {
+    fl_filename_relative(retname, sizeof(retname), fc->value());
+
+    return retname;
+  } else if (fc->value()) return (char *)fc->value();
+  else return 0;
+}
+/** @} */
+
+
+//
+// End of "$Id: fl_file_dir.cxx 8345 2011-01-31 18:04:09Z manolo $".
+//