Initial revision

git-svn-id: file:///fltk/svn/fltk/trunk@2 ea41ed52-d2ee-0310-a9c1-e6b18d33e121

1 files changed, 51 insertions, 0 deletions

diff --git a/FL/Fl_Positioner.H b/FL/Fl_Positioner.H
new file mode 100644
index 000000000..6b8d4f346
--- /dev/null
+++ b/FL/Fl_Positioner.H
@@ -0,0 +1,51 @@
+// Fl_Positioner.H
+
+// The positioner widget from Forms, gives 2D input
+
+#ifndef Fl_Positioner_H
+#define Fl_Positioner_H
+
+#ifndef Fl_Widget_H
+#include "Fl_Widget.H"
+#endif
+
+class Fl_Positioner : public Fl_Widget {
+
+  double xmin, ymin;
+  double xmax, ymax;
+  double xvalue_, yvalue_;
+  double xstep_, ystep_;
+
+protected:
+
+  // these allow subclasses to put the dial in a smaller area:
+  void draw(int, int, int, int);
+  int handle(int, int, int, int, int);
+  void draw();
+
+public:
+
+  int handle(int);
+  Fl_Positioner(int x,int y,int w,int h, const char *l=0);
+  double xvalue() const {return xvalue_;}
+  double yvalue() const {return yvalue_;}
+  int xvalue(double);
+  int yvalue(double);
+  int value(double,double);
+  void xbounds(double, double);
+  double xminimum() const {return xmin;}
+  void xminimum(double a) {xbounds(a,xmax);}
+  double xmaximum() const {return xmax;}
+  void xmaximum(double a) {xbounds(xmin,a);}
+  void ybounds(double, double);
+  double yminimum() const {return ymin;}
+  void yminimum(double a) {ybounds(a,ymax);}
+  double ymaximum() const {return ymax;}
+  void ymaximum(double a) {ybounds(ymin,a);}
+  void xstep(double a) {xstep_ = a;}
+  void ystep(double a) {ystep_ = a;}
+
+};
+
+#endif
+