nav.h


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#ifndef NAV_H
#define NAV_H

#include "doc.h"
#define HIST_MAX 32

struct nav_state {
	size_t histc, cur_doc;
	struct doc histv[HIST_MAX];
	size_t cur_ofs[HIST_MAX];
	enum protocol prot_default;
};

void nav_init(struct nav_state *ns);
void nav_fini(struct nav_state *ns);

void nav_next(struct nav_state *ns);
void nav_prev(struct nav_state *ns);

void nav_pg_up(struct nav_state *ns);
void nav_pg_down(struct nav_state *ns);
void nav_redraw(struct nav_state *ns);

int nav_to(struct nav_state *ns, const char *url);
int nav_link_nr(struct nav_state *ns, unsigned long link_nr);

#endif