#ifndef __SP_RULER_H__

#define __SP_RULER_H__

#include <gtk/gtk.h>

#include "sp-metric.h"

#include <iostream>

#include <glib.h>

#define SP_TYPE_RULER (sp_ruler_get_type ())

#define SP_RULER(obj) (G_TYPE_CHECK_INSTANCE_CAST ((obj), SP_TYPE_RULER, SPRuler))

#define SP_RULER_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST ((klass), SP_TYPE_RULER, SPRulerClass))

#define SP_IS_RULER(obj) (G_TYPE_CHECK_INSTANCE_TYPE ((obj), SP_TYPE_RULER))

#define SP_IS_RULER_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE ((klass), SP_TYPE_RULER))

#define SP_RULER_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS ((obj), SP_TYPE_RULER, SPRulerClass))

typedef struct _SPRuler SPRuler;

typedef struct _SPRulerClass SPRulerClass;

typedef struct _SPRulerMetric SPRulerMetric;

struct _SPRuler

{

GtkWidget parent_instance;

};

struct _SPRulerClass

{

GtkWidgetClass parent_class;

};

struct _SPRulerMetric

{

gdouble ruler_scale[10];

gint subdivide[5]; /* five possible modes of subdivision */

};

GType sp_ruler_get_type (void) G_GNUC_CONST;

GtkWidget* sp_ruler_new (GtkOrientation orientation);

void sp_ruler_add_track_widget (SPRuler *ruler,

GtkWidget *widget);

void sp_ruler_remove_track_widget (SPRuler *ruler,

GtkWidget *widget);

void sp_ruler_set_position (SPRuler *ruler,

gdouble set_position);

gdouble sp_ruler_get_position (SPRuler *ruler);

void sp_ruler_set_range (SPRuler *ruler,

gdouble lower,

gdouble upper,

gdouble max_size);

void sp_ruler_get_range (SPRuler *ruler,

gdouble *lower,

gdouble *upper,

gdouble *max_size);

void sp_ruler_set_metric (SPRuler *ruler,

SPMetric metric);

SPMetric sp_ruler_get_metric (SPRuler *ruler);

#endif /* __SP_RULER_H__ */