typedef struct t_button
{
t_area area;
unsigned char *caption;
const unsigned short *bitmap;
unsigned char state;
t_mc_font *font;

void (*setup)(struct t_button *self, t_mc_font *fnt,
unsigned char *cap,
unsigned short *bmp,
unsigned short x, unsigned short y, unsigned short w, unsigned short h,
unsigned char sel);
void (*paint)(struct t_button *self);
void (*action)(struct t_button *self);
}t_button;