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_Value_Slider.cxx b/common/fltk/src/Fl_Value_Slider.cxx
new file mode 100644
index 0000000..6c5ff22
--- /dev/null
+++ b/common/fltk/src/Fl_Value_Slider.cxx
@@ -0,0 +1,86 @@
+//
+// "$Id: Fl_Value_Slider.cxx 7903 2010-11-28 21:06:39Z matt $"
+//
+// Value slider 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 <FL/Fl.H>
+#include <FL/Fl_Value_Slider.H>
+#include <FL/fl_draw.H>
+#include <math.h>
+
+/**
+  Creates a new Fl_Value_Slider widget using the given
+  position, size, and label string. The default boxtype is FL_DOWN_BOX.
+*/
+Fl_Value_Slider::Fl_Value_Slider(int X, int Y, int W, int H, const char*l)
+: Fl_Slider(X,Y,W,H,l) {
+  step(1,100);
+  textfont_ = FL_HELVETICA;
+  textsize_ = 10;
+  textcolor_ = FL_FOREGROUND_COLOR;
+}
+
+void Fl_Value_Slider::draw() {
+  int sxx = x(), syy = y(), sww = w(), shh = h();
+  int bxx = x(), byy = y(), bww = w(), bhh = h();
+  if (horizontal()) {
+    bww = 35; sxx += 35; sww -= 35;
+  } else {
+    syy += 25; bhh = 25; shh -= 25;
+  }
+  if (damage()&FL_DAMAGE_ALL) draw_box(box(),sxx,syy,sww,shh,color());
+  Fl_Slider::draw(sxx+Fl::box_dx(box()),
+		  syy+Fl::box_dy(box()),
+		  sww-Fl::box_dw(box()),
+		  shh-Fl::box_dh(box()));
+  draw_box(box(),bxx,byy,bww,bhh,color());
+  char buf[128];
+  format(buf);
+  fl_font(textfont(), textsize());
+  fl_color(active_r() ? textcolor() : fl_inactive(textcolor()));
+  fl_draw(buf, bxx, byy, bww, bhh, FL_ALIGN_CLIP);
+}
+
+int Fl_Value_Slider::handle(int event) {
+  if (event == FL_PUSH && Fl::visible_focus()) {
+    Fl::focus(this);
+    redraw();
+  }
+  int sxx = x(), syy = y(), sww = w(), shh = h();
+  if (horizontal()) {
+    sxx += 35; sww -= 35;
+  } else {
+    syy += 25; shh -= 25;
+  }
+  return Fl_Slider::handle(event,
+			   sxx+Fl::box_dx(box()),
+			   syy+Fl::box_dy(box()),
+			   sww-Fl::box_dw(box()),
+			   shh-Fl::box_dh(box()));
+}
+
+//
+// End of "$Id: Fl_Value_Slider.cxx 7903 2010-11-28 21:06:39Z matt $".
+//