Fl_Positioner(int x, int y, int w, int h, const char *l=0);

function Create
       (X, Y, W, H : in Integer;
        Text       : in String := "")
    return Positioner;

int handle(int);

function Handle
       (This  : in out Positioner;
        Event : in     Event_Kind)
    return Event_Outcome;

procedure Get_Coords
       (This : in     Positioner;
        X, Y :    out Long_Float);

int value(double, double);

procedure Set_Coords
       (This : in out Positioner;
        X, Y : in     Long_Float);

function Set_Coords
       (This : in out Positioner;
        X, Y : in     Long_Float)
    return Boolean;

void xbounds(double, double);

procedure Set_Ecks_Bounds
       (This      : in out Positioner;
        Low, High : in     Long_Float);

double xmaximum() const;

function Get_Ecks_Maximum
       (This : in Positioner)
    return Long_Float;

void xmaximum(double a);

procedure Set_Ecks_Maximum
       (This  : in out Positioner;
        Value : in     Long_Float);

double xminimum() const;

function Get_Ecks_Minimum
       (This : in Positioner)
    return Long_Float;

void xminimum(double a);

procedure Set_Ecks_Minimum
       (This  : in out Positioner;
        Value : in     Long_Float);

void xstep(double a);

procedure Set_Ecks_Step
       (This  : in out Positioner;
        Value : in     Long_Float);

double xvalue() const;

function Get_Ecks
       (This : in Positioner)
    return Long_Float;

int xvalue(double);

procedure Set_Ecks
       (This  : in out Positioner;
        Value : in     Long_Float);

function Set_Ecks
       (This  : in out Positioner;
        Value : in     Long_Float)
    return Boolean;

void ybounds(double, double);

procedure Set_Why_Bounds
       (This      : in out Positioner;
        Low, High : in     Long_Float);

double ymaximum() const;

function Get_Why_Maximum
       (This : in Positioner)
    return Long_Float;

void ymaximum(double a);

procedure Set_Why_Maximum
       (This  : in out Positioner;
        Value : in     Long_Float);

double yminimum() const;

function Get_Why_Minimum
       (This : in Positioner)
    return Long_Float;

void yminimum(double a);

procedure Set_Why_Minimum
       (This  : in out Positioner;
        Value : in     Long_Float);

void ystep(double a);

procedure Set_Why_Step
       (This  : in out Positioner;
        Value : in     Long_Float);

double yvalue() const;

function Get_Why
       (This : in Positioner)
    return Long_Float;

int yvalue(double);

procedure Set_Why
       (This  : in out Positioner;
        Value : in     Long_Float);

function Set_Why
       (This  : in out Positioner;
        Value : in     Long_Float)
    return Boolean;

void draw();

procedure Draw
       (This : in out Positioner);

void draw(int, int, int, int);

procedure Draw
       (This       : in out Positioner;
        X, Y, W, H : in     Integer);

int handle(int, int, int, int, int);

function Handle
       (This       : in out Positioner;
        Event      : in     Event_Kind;
        X, Y, W, H : in     Integer)
    return Event_Outcome;