src/math-converter.h

   1 /*  Copyright (c) 2008-2009 Robert Ancell
   2  *
   3  *  This program is free software; you can redistribute it and/or modify
   4  *  it under the terms of the GNU General Public License as published by
   5  *  the Free Software Foundation; either version 2, or (at your option)
   6  *  any later version.
   7  *
   8  *  This program is distributed in the hope that it will be useful, but
   9  *  WITHOUT ANY WARRANTY; without even the implied warranty of
  10  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
  11  *  General Public License for more details.
  12  *
  13  *  You should have received a copy of the GNU General Public License
  14  *  along with this program; if not, write to the Free Software
  15  *  Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
  16  *  02111-1307, USA.
  17  */
  18
  19 #ifndef MATH_CONVERTER_H
  20 #define MATH_CONVERTER_H
  21
  22 #include <glib-object.h>
  23 #include <gtk/gtk.h>
  24
  25 #include "math-equation.h"
  26 #include "unit.h"
  27
  28 G_BEGIN_DECLS
  29
  30 #define MATH_CONVERTER(obj) (G_TYPE_CHECK_INSTANCE_CAST ((obj), math_converter_get_type(), MathConverter))
  31
  32 typedef struct MathConverterPrivate MathConverterPrivate;
  33
  34 typedef struct
  35 {
  36     GtkHBox parent_instance;
  37     MathConverterPrivate *priv;
  38 } MathConverter;
  39
  40 typedef struct
  41 {
  42     GtkHBoxClass parent_class;
  43
  44     void (*changed)(MathConverter *converter);
  45 } MathConverterClass;
  46
  47 GType math_converter_get_type(void);
  48
  49 MathConverter *math_converter_new(MathEquation *equation);
  50
  51 void math_converter_set_category(MathConverter *converter, const gchar *category);
  52
  53 const gchar *math_converter_get_category(MathConverter *converter);
  54
  55 void math_converter_set_conversion(MathConverter *converter, /*const gchar *category,*/ const gchar *unit_a, const gchar *unit_b);
  56
  57 void math_converter_get_conversion(MathConverter *converter, Unit **from_unit, Unit **to_unit);
  58
  59 G_END_DECLS
  60
  61 #endif /* MATH_CONVERTER_H */