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diff --git a/fltk/fltk/Slider.h b/fltk/fltk/Slider.h
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+//
+// "$Id: Slider.h 5600 2007-01-13 00:04:55Z spitzak $"
+//
+// Slider value control. By default it moves vertically with the
+// minimum number at the bottom. See HorizontalSlider for one that
+// moves across (which is usually the default in other toolkits).
+//
+// Copyright 1998-2006 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 to "fltk-bugs@fltk.org".
+//
+
+#ifndef fltk_Slider_h
+#define fltk_Slider_h
+
+#ifndef fltk_Valuator_h
+#include "Valuator.h"
+#endif
+
+namespace fltk {
+
+class FL_API Slider : public Valuator {
+
+  unsigned short slider_size_;
+  unsigned short tick_size_;
+
+public:
+
+  enum { // bit flags for type():
+    LINEAR		= 0,
+    TICK_ABOVE		= 2,
+    TICK_LEFT		= TICK_ABOVE,
+    TICK_BELOW		= 4,
+    TICK_RIGHT		= TICK_BELOW,
+    TICK_BOTH		= TICK_ABOVE|TICK_BELOW,
+    LOG			= 8
+#ifdef FLTK_1_SLIDER
+    // for back-compatability only
+    ,VERTICAL		= 0,
+    HORIZONTAL		= 1,
+    FILL		= 16
+#endif
+  };
+  bool horizontal() const {return !flag(LAYOUT_VERTICAL) || (type()&1);}
+  bool log() const {return (type()&LOG)!=0;}
+
+  void draw();
+  int handle(int);
+
+  Slider(int x,int y,int w,int h, const char *l = 0);
+  static NamedStyle* default_style;
+
+  unsigned short slider_size() const {return slider_size_;}
+  void slider_size(int n) {slider_size_ = (unsigned short)n;}
+  unsigned short tick_size() const {return tick_size_;}
+  void tick_size(int n) {tick_size_ = (unsigned short)n;}
+  
+#ifdef FLTK_1_SLIDER
+  // back comptability:
+  Box* slider() const {return buttonbox();}
+  void slider(Box* b) {buttonbox(b);}
+  void slider_size(double v) {slider_size(int(v*w()));}
+#endif
+
+  //protected:
+
+  int slider_position(double value, int w);
+  double position_value(int x, int w);
+  int handle(int event, const Rectangle&);
+  void draw_ticks(const Rectangle&, int min_spacing);
+  bool draw(const Rectangle&, Flags flags, bool slot);
+};
+
+}
+
+#endif
+
+//
+// End of "$Id: Slider.h 5600 2007-01-13 00:04:55Z spitzak $".
+//