links.h

this is the file used to browse web

void set_char(struct terminal *, int, int, unsigned);
unsigned get_char(struct terminal *, int, int);
void set_color(struct terminal *, int, int, unsigned);
void set_only_char(struct terminal *, int, int, unsigned);
void set_line(struct terminal *, int, int, int, chr *);
void set_line_color(struct terminal *, int, int, int, unsigned);
void fill_area(struct terminal *, int, int, int, int, unsigned);
void draw_frame(struct terminal *, int, int, int, int, unsigned, int);
void print_text(struct terminal *, int, int, int, unsigned char *, unsigned);
void set_cursor(struct terminal *, int, int, int, int);
void destroy_all_terminals();
void block_itrm(int);
int unblock_itrm(int);
void exec_thread(unsigned char *, int);
void close_handle(void *);

#define TERM_FN_TITLE	1
#define TERM_FN_RESIZE	2

void exec_on_terminal(struct terminal *, unsigned char *, unsigned char *, int);
void set_terminal_title(struct terminal *, unsigned char *);
void do_terminal_function(struct terminal *, unsigned char, unsigned char *);

/* language.c */

#include "language.h"

extern unsigned char dummyarray[];

extern int current_language;

void init_trans();
void shutdown_trans();
unsigned char *get_text_translation(unsigned char *, struct terminal *term);
unsigned char *get_english_translation(unsigned char *);
void set_language(int);
int n_languages();
unsigned char *language_name(int);

#define _(_x_, _y_) get_text_translation(_x_, _y_)
#define TEXT(x) (dummyarray + x)
#define TEXT_(x) (dummyarray + x) /* TEXT causes name clash on windows */

/* af_unix.c */

int bind_to_af_unix();
void af_unix_close();

/* main.c */

extern int retval;

extern unsigned char *path_to_exe;
extern unsigned char **g_argv;
extern int g_argc;

void unhandle_terminal_signals(struct terminal *term);
int attach_terminal(int, int, int, void *, int);
void program_exit();
void shrink_memory(int);

/* types.c */

struct assoc {
	struct assoc *next;
	struct assoc *prev;
	tcount cnt;
	unsigned char *label;
	unsigned char *ct;
	unsigned char *prog;
	int cons;
	int xwin;
	int block;
	int ask;
	int system;
};

struct extension {
	struct extension *next;
	struct extension *prev;
	tcount cnt;
	unsigned char *ext;
	unsigned char *ct;
};

struct protocol_program {
	struct protocol_program *next;
	struct protocol_program *prev;
	unsigned char *prog;
	int system;
};

extern struct list_head assoc;
extern struct list_head extensions;

extern struct list_head mailto_prog;
extern struct list_head telnet_prog;
extern struct list_head tn3270_prog;
extern struct list_head mms_prog;

unsigned char *get_content_type(unsigned char *, unsigned char *);
struct assoc *get_type_assoc(struct terminal *term, unsigned char *);
void update_assoc(struct assoc *);
void update_ext(struct extension *);
void update_prog(struct list_head *, unsigned char *, int);
unsigned char *get_prog(struct list_head *);
void free_types();

void menu_add_ct(struct terminal *, void *, void *);
void menu_del_ct(struct terminal *, void *, void *);
void menu_list_assoc(struct terminal *, void *, void *);
void menu_add_ext(struct terminal *, void *, void *);
void menu_del_ext(struct terminal *, void *, void *);
void menu_list_ext(struct terminal *, void *, void *);

int is_html_type(unsigned char *ct);

/* session.c */

struct link_def {
	unsigned char *link;
	unsigned char *target;
};

struct line {
	int l;
	chr c;
	chr *d;
};

struct point {
	int x;
	int y;
};

struct form {
	unsigned char *action;
	unsigned char *target;
	int method;
	int num;
};

#define FM_GET		0
#define FM_POST		1
#define FM_POST_MP	2

#define FC_TEXT		1
#define FC_PASSWORD	2
#define FC_FILE		3
#define FC_TEXTAREA	4
#define FC_CHECKBOX	5
#define FC_RADIO	6
#define FC_SELECT	7
#define FC_SUBMIT	8
#define FC_IMAGE	9
#define FC_RESET	10
#define FC_HIDDEN	11

struct form_control {
	struct form_control *next;
	struct form_control *prev;
	int form_num;
	int ctrl_num;
	int g_ctrl_num;
	int position;
	int method;
	unsigned char *action;
	unsigned char *target;
	int type;
	unsigned char *name;
	unsigned char *alt;
	int ro;
	unsigned char *default_value;
	int default_state;
	int size;
	int cols, rows, wrap;
	int maxlength;
	int nvalues;
	unsigned char **values;
	unsigned char **labels;
	struct menu_item *menu;
};

struct form_state {
	int form_num;
	int ctrl_num;
	int g_ctrl_num;
	int position;
	int type;
	unsigned char *value;
	int state;
	int vpos;
	int vypos;
};

struct link {
	int type;
	int num;
	unsigned char *where;
	unsigned char *target;
	unsigned char *where_img;
	struct form_control *form;
	unsigned sel_color;
	int n;
	struct point *pos;
};

#define L_LINK		0
#define L_BUTTON	1
#define L_CHECKBOX	2
#define L_SELECT	3
#define L_FIELD		4
#define L_AREA		5

#define SIZEOF_F_DATA sizeof(struct f_data)

struct link_bg {
	int x, y;
	unsigned c;
};

struct tag {
	struct tag *next;
	struct tag *prev;
	int x;
	int y;
	unsigned char name[1];
};

struct rgb {
	unsigned char r, g, b;
	unsigned char pad;
};

struct document_setup {
	int assume_cp, hard_assume;
	int tables, frames, images;
	int margin;
	int num_links, table_order;
};

struct document_options {
	int xw, yw; /* size of window */
	int xp, yp; /* pos of window */
	int col, cp, assume_cp, hard_assume;
	int tables, frames, images, margin;  /* if you add anything, fix it in compare_opt */
	int plain;
	int num_links, table_order;
	struct rgb default_fg;
	struct rgb default_bg;
	struct rgb default_link;
	struct rgb default_vlink;
	unsigned char *framename;
	int real_cp;    /* codepage of document. Does not really belong here. Must not be compared. Used only in get_attr_val */
};

static inline void ds2do(struct document_setup *ds, struct document_options *doo)
{
	doo->assume_cp = ds->assume_cp;
	doo->hard_assume = ds->hard_assume;
	doo->tables = ds->tables;
	doo->frames = ds->frames;
	doo->images = ds->images;
	doo->margin = ds->margin;
	doo->num_links = ds->num_links;
	doo->table_order = ds->table_order;
}

struct node {
	struct node *next;
	struct node *prev;
	int x, y;
	int xw, yw;
};

struct search {
	unsigned char c;
	int n:24;	/* This structure is size-critical */
	int x, y;
};

struct frameset_desc;

struct frame_desc {
	struct frameset_desc *subframe;
	unsigned char *name;
	unsigned char *url;
	int line;
	int xw, yw;
};

struct frameset_desc {
	int n;
	int x, y;
	int xp, yp;
	struct frame_desc f[1];
};

struct f_data {
	struct f_data *next;
	struct f_data *prev;
	int refcount;
	unsigned char *url;
	struct document_options opt;
	unsigned char *title;
	int cp, ass;
	int x, y; /* size of document */
	ttime time_to_get;
	tcount use_tag;
	int frame;
	struct frameset_desc *frame_desc;
	int bg;
	struct line *data;
	struct link *links;
	int nlinks;
	struct link **lines1;
	struct link **lines2;
	struct list_head forms;
	struct list_head tags;
	struct list_head nodes;
	struct search *search;
	int nsearch;
	struct search **slines1;
	struct search **slines2;
};

struct f_data_c {
	struct f_data_c *next;
	struct f_data_c *prev;
	int used;
	unsigned char *name;
	struct f_data *f_data;
	int xw, yw; /* size of window */
	int xp, yp; /* pos of window */
	int xl, yl; /* last pos of window */
	struct link_bg *link_bg;
	int link_bg_n;
	unsigned char **search_word;
	struct view_state *vs;
	int depth;
};

struct view_state {
	int view_pos;
	int view_posx;
	int orig_view_pos;
	int orig_view_posx;
	int current_link;
	int orig_link;
	int plain;
	unsigned char *goto_position;
	unsigned char *goto_position_end;
	struct form_state *form_info;
	int form_info_len;
	unsigned char url[1];
};

struct frame {
	struct frame *next;
	struct frame *prev;
	unsigned char *name;
	int redirect_cnt;
	struct view_state vs;
};

struct location {
	struct location *next;
	struct location *prev;
	struct list_head frames;
	struct status stat;
	struct view_state vs;
};

#define WTD_NO		0
#define WTD_FORWARD	1
#define WTD_IMGMAP	2
#define WTD_RELOAD	3
#define WTD_BACK	4

#define cur_loc(x) ((struct location *)((x)->history.next))

struct kbdprefix {
	int rep;
	int rep_num;
	int prefix;
};

struct download {
	struct download *next;
	struct download *prev;
	unsigned char *url;
	struct status stat;
	unsigned char *file;
	off_t last_pos;
	int handle;
	int redirect_cnt;
	unsigned char *prog;
	int prog_flags;
	time_t remotetime;
	struct session *ses;
	struct window *win;
	struct window *ask;
};

extern struct list_head downloads;

struct file_to_load {
	struct file_to_load *next;
	struct file_to_load *prev;
	struct session *ses;
	int req_sent;
	int pri;
	struct cache_entry *ce;
	unsigned char *url;
	struct status stat;
};

struct session {
	struct session *next;
	struct session *prev;
	struct list_head history;
	struct terminal *term;
	struct window *win;
	int id;
	struct f_data_c *screen;
	struct list_head scrn_frames;
	struct status loading;
	int wtd;
	unsigned char *wtd_target;
	unsigned char *loading_url;
	int display_timer;
	struct list_head more_files;
	unsigned char *goto_position;
	unsigned char *imgmap_href_base;
	unsigned char *imgmap_target_base;
	struct document_setup ds;
	struct kbdprefix kbdprefix;
	int reloadlevel;
	int redirect_cnt;
	struct status tq;
	unsigned char *tq_url;
	struct cache_entry *tq_ce;
	unsigned char *tq_goto_position;
	unsigned char *tq_prog;
	int tq_prog_flags;
	unsigned char *dn_url;
	unsigned char *search_word;
	unsigned char *last_search_word;
	int search_direction;
	int exit_query;
};

extern struct list_head sessions;

time_t parse_http_date(const char *);
unsigned char *encode_url(unsigned char *);
unsigned char *decode_url(unsigned char *);
unsigned char *subst_file(unsigned char *, unsigned char *);
int are_there_downloads();
void free_strerror_buf();
unsigned char *get_err_msg(int);
void print_screen_status(struct session *);
void print_error_dialog(struct session *, struct status *, unsigned char *);
void start_download(struct session *, unsigned char *);
void display_download(struct terminal *, struct download *, struct session *);
int create_download_file(struct terminal *, unsigned char *, int);
struct file_to_load *request_additional_file(struct session *, unsigned char *, int);
struct file_to_load *request_additional_loading_file(struct session *, unsigned char *, struct status *, int);
void process_file_requests(struct session *);
int read_session_info(int, struct session *, void *, int);
void *create_session_info(int, unsigned char *, int *);
void win_func(struct window *, struct event *, int);
void goto_url_f(struct session *, unsigned char *, unsigned char *);
void goto_url(struct session *, unsigned char *);
void abort_loading(struct session *);
void goto_imgmap(struct session *, unsigned char *, unsigned char *, unsigned char *);
void go_back(struct session *);
void reload(struct session*, int);
struct frame *ses_find_frame(struct session *, unsigned char *);
struct frame *ses_change_frame_url(struct session *, unsigned char *, unsigned char *);
void map_selected(struct terminal *, struct link_def *, struct session *);
void load_frames(struct session *, struct f_data_c *);
void destroy_session(struct session *);
void destroy_all_sessions();
void abort_all_downloads();
void destroy_location(struct location *);

/* Information about the current document */
unsigned char *get_current_url(struct session *, unsigned char *, size_t);
unsigned char *get_current_title(struct session *, unsigned char *, size_t);

unsigned char *get_current_link_url(struct session *, unsigned char *, size_t);

/* bfu.c */

struct memory_list {
	int n;
	void *p[1];
};

struct memory_list *getml(void *, ...);
void add_to_ml(struct memory_list **, ...);
void freeml(struct memory_list *);

#define MENU_FUNC (void (*)(struct terminal *, void *, void *))

extern unsigned char m_bar;

#define M_BAR	(&m_bar)

struct menu_item {
	unsigned char *text;
	unsigned char *rtext;
	unsigned char *hotkey;
	void (*func)(struct terminal *, void *, void *);
	void *data;
	int in_m;
	int free_i;
};

struct menu {
	int selected;
	int view;
	int xp, yp;
	int x, y, xw, yw;
	int ni;
	void *data;
	struct window *win;
	struct menu_item *items;
};

struct mainmenu {
	int selected;
	int sp;
	int ni;
	void *data;
	struct window *win;
	struct menu_item *items;
};

struct history_item {
	struct history_item *next;
	struct history_item *prev;
	unsigned char d[1];
};

struct history {
	int n;
	struct list_head items;
};

#define D_END		0
#define D_CHECKBOX	1
#define D_FIELD		2
#define D_FIELD_PASS	3
#define D_BUTTON	4
#define D_BOX		5

#define B_ENTER		1
#define B_ESC		2

struct dialog_item_data;
struct dialog_data;

struct dialog_item {
	int type;
	int gid, gnum; /* for buttons: gid - flags B_XXX */	/* for fields: min/max */ /* for box: gid is box height */
	int (*fn)(struct dialog_data *, struct dialog_item_data *);
	struct history *history;
	int dlen;
	unsigned char *data;
	void *udata; /* for box: holds list */
	unsigned char *text;
};

struct dialog_item_data {
	int x, y, l;