box.h

一个很有名的浏览器

/* $Id: box.h,v 1.1.6.1 2005/01/04 00:32:29 jonas Exp $ */

#ifndef EL__UTIL_BOX_H
#define EL__UTIL_BOX_H

struct box {
	int x;
	int y;
	int width;
	int height;
};

static inline int
is_in_box(struct box *box, int x, int y)
{
	return (x >= box->x && y >= box->y
		&& x < box->x + box->width
		&& y < box->y + box->height);
}

static inline int
row_is_in_box(struct box *box, int y)
{
	return (y >= box->y && y < box->y + box->height);
}

static inline int
col_is_in_box(struct box *box, int x)
{
	return (x >= box->x && x < box->x + box->width);
}


static inline void
set_box(struct box *box, int x, int y, int width, int height)
{
	box->x = x;
	box->y = y;
	box->width = width;
	box->height = height;
}

static inline void
copy_box(struct box *dst, struct box *src)
{
	copy_struct(dst, src);
}

#define dbg_show_box(box) DBG("x=%i y=%i width=%i height=%i", (box)->x, (box)->y, (box)->width, (box)->height)
#define dbg_show_xy(x_, y_) DBG("x=%i y=%i", x_, y_)


#endif