shithub: libscroll

ref: 52965c9a8366b1b30742215543032ef863f0b217
dir: /scroll.h/

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typedef struct Scroll Scroll;

struct Scroll {
	Rectangle r;
	Image *image, *cols[NCOL];
	vlong pos, part, tot;
};

Rectangle scrollinit(Scroll *s, Rectangle r, Image *b, Image **cols);
void scrollpos(Scroll *s, uint p₀, uint p₁, uint tot);
int scrollscr(Scroll *s, Mouse *m, uint *p₀);