#ifndef __GTK_MINEFIELD_H__
#define __GTK_MINEFIELD_H__

#include <gdk/gdk.h>
#include <gtk/gtkwidget.h>
#include <glib.h>

#ifdef __cplusplus
extern "C" {
#endif /* __cplusplus */

enum {
	MINE_NOMARK = 0,
	MINE_MARKED,
	MINE_QUESTION
};

/* Return valuse from the hint function. */
enum {
  MINEFIELD_HINT_ACCEPTED,  /* We successfully revealed a single square. */
  MINEFIELD_HINT_NO_GAME,   /* The game hasn't started. */
  MINEFIELD_HINT_ALL_MINES  /* All the remaining squares are mines. */
};

  
#define GTK_TYPE_MINEFIELD            (gtk_minefield_get_type ())
#define GTK_MINEFIELD(obj)            (G_TYPE_CHECK_INSTANCE_CAST ((obj), GTK_TYPE_MINEFIELD, GtkMineField))
#define GTK_MINEFIELD_CLASS(klass)    (G_TYPE_CHECK_CLASS_CAST ((klass), GTK_TYPE_MINEFIELD, GtkMineFieldClass))
#define GTK_IS_MINEFIELD(obj)         (G_TYPE_CHECK_INSTANCE_TYPE ((obj), GTK_TYPE_MINEFIELD))
#define GTK_IS_MINEFIELD_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE ((klass), GTK_TYPE_MINEFIELD))
#define GTK_MINEFIELD_GET_CLASS(obj)  (G_TYPE_INSTANCE_GET_CLASS ((obj), GTK_TYPE_MINEFIELD, GtkMineFieldClass))

typedef struct _GtkMineField         GtkMineField;
typedef struct _GtkMineFieldClass    GtkMineFieldClass;

struct _Mine {
	guint mined:1;
	guint shown:1;
	guint marked:2;
	guint down:1;
	guint neighbours;
};

typedef struct _Mine mine;

typedef struct _Sign sign;
  
struct _Sign
    {
	GdkPixbuf *pixbuf;
        GdkPixbuf *scaledpixbuf;
      
        gint width;
        gint height;
    };
  
struct _GtkMineField {
	GtkWidget widget;
	guint xsize, ysize;
	guint mcount;
	mine *mines;
	guint flag_count;
	guint shown;
	gint cdown;
        guint cdownx;
        guint cdowny;
	gint bdown[3];
        gint lose;
        gint win;
	gint multi_mode;
        sign flag;
        sign mine;
	sign question;
        GRand * grand;
  
	gboolean started;

	struct {
		PangoLayout *layout;
		gint dx, dy;
	} numstr[9];
	guint minesize;
	gint in_play;
	
	gboolean use_question_marks;
};

struct _GtkMineFieldClass
{
	GtkWidgetClass parent_class;
	void (*marks_changed) (GtkMineField *mfield);
	void (*explode)       (GtkMineField *mfield);
	void (*look)          (GtkMineField *mfield);
	void (*unlook)        (GtkMineField *mfield);
	void (*win)           (GtkMineField *mfield);
        void (*hint_used)     (GtkMineField *mfield);
};
  
#define MINESIZE_MIN 12

GType      gtk_minefield_get_type (void);
GtkWidget* gtk_minefield_new      (void);

void gtk_minefield_set_size (GtkMineField *mfield, guint xsize, guint ysize);
void gtk_minefield_restart (GtkMineField *mfield);
void gtk_minefield_set_use_question_marks (GtkMineField *mfield, gboolean use_question_marks);
gint gtk_minefield_hint (GtkMineField *mfield);
  
#ifdef __cplusplus
}
#endif /* __cplusplus */


#endif /* __GTK_MINEFIELD_H__ */