#include "dat.h"
#include "fn.h"

int
pagemarker(char *buf, int nbuf, int first, int shown, int total)
{
	if(nbuf <= 0)
		return 0;
	buf[0] = 0;
	if(total <= Maxdisp || shown <= 0)
		return 0;
	return snprint(buf, nbuf, "%d-%d/%d", first + 1,
		first + shown, total);
}

void
popupposition(Caret *caret, int pointerx, int pointery, int screenw,
	int screenh, int w, int h, int *x, int *y)
{
	vlong below, px, py, xmax, ymax;

	if(caret->valid){
		px = caret->x;
		below = (vlong)caret->y + max(caret->h, 0);
		if(below >= 0 && below + h <= screenh)
			py = below;
		else
			py = (vlong)caret->y - h;
	}else{
		px = (vlong)pointerx + 10;
		py = (vlong)pointery + 10;
	}
	xmax = max((vlong)screenw - w, 0);
	ymax = max((vlong)screenh - h, 0);
	*x = max(0, min(px, xmax));
	*y = max(0, min(py, ymax));
}