1 files changed, 93 insertions, 0 deletions
diff --git a/fltk/fltk/Valuator.h b/fltk/fltk/Valuator.h
new file mode 100644
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+// "$Id: Valuator.h 5956 2007-10-17 19:57:31Z spitzak $"
+//
+// 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_Valuator_h
+#define fltk_Valuator_h
+
+#ifndef fltk_Widget_h
+#include "Widget.h"
+#endif
+
+namespace fltk {
+
+class FL_API Valuator : public Widget {
+
+public:
+
+  double value() const {return value_;}
+  bool value(double);
+
+  double minimum() const {return minimum_;}
+  void minimum(double a) {minimum_ = a;}
+
+  double maximum() const {return maximum_;}
+  void maximum(double a) {maximum_ = a;}
+
+  void range(double a, double b) {minimum_ = a; maximum_ = b;}
+
+  double step() const {return step_;}
+  void step(double a) {step_ = a;}
+
+  double linesize() const;
+  void linesize(double a) {linesize_ = a;}
+  double linesize_setting() const {return linesize_;}
+
+  virtual int format(char*);
+
+  int handle(int);
+
+#ifdef FLTK_1_SLIDER
+  void step(double a, int b) {step(a/b);}
+  void bounds(double a, double b) {minimum_=a; maximum_=b;}
+  void precision(int p) {
+    int B = 1;
+    for (int i=0; i<p; i++) B *= 10;
+    step_ = 1.0f/B;
+  }
+#endif
+
+//protected:
+
+  Valuator(int X, int Y, int W, int H, const char* L);
+  double previous_value() const {return previous_value_;}
+  void handle_push() {previous_value_ = value_;}
+  void handle_drag(double newvalue);
+  void handle_release();
+
+  virtual void value_damage(); // callback whenever value changes
+  void set_value(double v) {value_ = v;} // change w/o doing value_damage
+
+private:
+
+  double value_;
+  static double previous_value_;
+  double minimum_;
+  double maximum_;
+  double step_;
+  double linesize_;
+
+};
+
+}
+
+#endif
+
+// End of "$Id: Valuator.h 5956 2007-10-17 19:57:31Z spitzak $".