src/math-converter.h


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/*
 * Copyright (C) 2008-2011 Robert Ancell
 *
 * This program is free software: you can redistribute it and/or modify it under
 * the terms of the GNU General Public License as published by the Free Software
 * Foundation, either version 2 of the License, or (at your option) any later
 * version. See http://www.gnu.org/copyleft/gpl.html the full text of the
 * license.
 */

#ifndef MATH_CONVERTER_H
#define MATH_CONVERTER_H

#include <glib-object.h>
#include <gtk/gtk.h>

#include "math-equation.h"
#include "unit.h"

G_BEGIN_DECLS

#define MATH_CONVERTER(obj) (G_TYPE_CHECK_INSTANCE_CAST ((obj), math_converter_get_type(), MathConverter))

typedef struct MathConverterPrivate MathConverterPrivate;

typedef struct
{
    GtkHBox parent_instance;
    MathConverterPrivate *priv;
} MathConverter;

typedef struct
{
    GtkHBoxClass parent_class;

    void (*changed)(MathConverter *converter);
} MathConverterClass;

GType math_converter_get_type(void);

MathConverter *math_converter_new(MathEquation *equation);

void math_converter_set_category(MathConverter *converter, const gchar *category);

const gchar *math_converter_get_category(MathConverter *converter);

void math_converter_set_conversion(MathConverter *converter, /*const gchar *category,*/ const gchar *unit_a, const gchar *unit_b);

void math_converter_get_conversion(MathConverter *converter, Unit **from_unit, Unit **to_unit);

G_END_DECLS

#endif /* MATH_CONVERTER_H */