#ifndef __LOTDEFS_H
#define __LOTDEFS_H

#include <stdint.h>

#define MAX_ROW  8191
#define MAX_ROWS (MAX_ROW + 1)
#define MAX_COL  255
#define MAX_COLS (MAX_COL + 1)
#define NUM_WIN 26

enum {
    FILE_MODE_UNIX,
    FILE_MODE_DOSUPPER,
    FILE_MODE_DOSLOWER,
};

enum {
    VMR_0,
    VMR_1,
    VMR_2,
    VMR_3,
};

#define LpiVmr(type, v) ((type)(vmr[v]))

extern uint8_t *vmr[];
extern struct SCREENPOS vpos;
extern struct SCREENPOS currpos;
extern struct SCREENPOS real_pos;
extern uint16_t inprint;
extern uint8_t ref_cur_attr;
extern struct DISPLAYWINDOW win[NUM_WIN];
extern int8_t cell_col_invalid[MAX_COLS];

extern struct DISPLAYWINDOW *displayed_window;
extern struct RECT *region;
extern struct RECT gview_srect;
extern uint16_t origx;
extern uint16_t origy;
extern uint16_t origz;
extern uint16_t region_top;
extern uint16_t row_valid;

extern int get_column_labels(uint16_t, uint16_t, char *, uint16_t);

extern void (*x_disp_txt_set_pos)(uint16_t col, uint16_t line);
extern int (*x_disp_txt_write)(uint16_t byteslen, char *lmbcsptr, int attrs);

extern int V3_disp_grph_compute_view(void *);
extern int V3_disp_grph_process(void *);
extern int V3_disp_grph_set_cur_view(void *);
extern int init_unix_display_code();
extern void set_actual_grph_type();
extern int disp_txt_init(char *bdlpath);

extern char *char_set_bundle;
extern void *Find_changes;
extern void (*Flush)(void);
extern void (*Check_cursor)(void);
extern int (*Initsc)(void);
extern int (*Clrandhome)(void);
extern int (*Clrtoend)(void);
extern int (*Clrtobot)(void);
extern int (*Home)(void);
extern int (*Atset)(char);
extern void (*opcodes[])(void);
extern uint16_t display_turned_off;
extern void gen_disp_txt_clear();
extern int gen_disp_txt_copy(uint16_t width, uint16_t height, uint16_t dstx, uint16_t dsty);
extern void gen_disp_txt_curs_off();
extern void gen_disp_txt_curs_on();
extern void gen_disp_txt_curs_type();
extern void gen_disp_txt_fg_clear(uint16_t cols, uint16_t lines);
extern int gen_disp_txt_fit(int16_t strarglen,
                            char *strarg,
                            int16_t ncols,
                            int16_t *bytesneeded);
extern void gen_disp_txt_lock();
extern void gen_disp_txt_set_bg(uint16_t cols, uint16_t lines, int attrs);
extern void gen_disp_txt_set_pos(uint16_t col, uint16_t line);
extern void gen_disp_txt_set_pos_hpu();
extern void gen_disp_txt_size();
extern void gen_disp_txt_sync();
extern void gen_disp_txt_unlock();
extern int gen_disp_txt_write(uint16_t, char *, int);
extern void gen_disp_txt_zone(int16_t byteslen, char *lmbcsptr, int attrs, int16_t startpad, int16_t endpad);
extern void stdio_flush();
extern void tty_disp_close();
extern void tty_disp_close_retain_termcap();
extern void tty_disp_post_system();
extern void tty_disp_pre_system();
extern void *x_disp_close;
extern void *x_disp_close_retain_termcap;
extern void *x_disp_graph;
extern void *x_disp_grph_compute_view;
extern void *x_disp_grph_process;
extern void *x_disp_grph_set_cur_view;
extern void *x_disp_grph_txt_fit;
extern void *x_disp_grph_txt_size;
extern void *x_disp_grph_load_font;
extern void *x_disp_info;
extern void *x_disp_open;
extern void *x_disp_post_system;
extern void *x_disp_pre_system;
extern void *x_disp_text;
extern void *x_disp_txt_clear;
extern int (*x_disp_txt_copy)(uint16_t width, uint16_t height, uint16_t dstx, uint16_t dsty);
extern void (*x_disp_txt_curs_off)();
extern void (*x_disp_txt_curs_on)();
extern void (*x_disp_txt_curs_type)();
extern void (*x_disp_txt_fg_clear)(uint16_t cols, uint16_t lines);
extern int (*x_disp_txt_fit)(int16_t strarglen,
                             char *strarg,
                             int16_t ncols,
                             int16_t *bytesneeded);
extern void *x_disp_txt_lock;
extern void (*x_disp_txt_set_bg)(uint16_t cols, uint16_t lines, int attrs);
extern void *x_disp_txt_set_pos_hpu;
extern void *x_disp_txt_size;
extern void *x_disp_txt_sync;
extern void *x_disp_txt_unlock;
extern void (*x_disp_txt_zone)(int16_t byteslen, char *lmbcsptr, int attrs, int16_t startpad, int16_t endpad);
extern void *dliopen;
extern void *dliclose;
extern int (*Replace_cursor)(void);
extern void set_error_string(char *errstr, int16_t, uint8_t hlpmsgid);
extern int mac_nobreak(void);

extern int MapX(uint16_t);
extern int MapY(uint16_t);

extern uint16_t banner_printed;

extern int undo_on_cmd();
extern int undo_off_cmd();
extern int reset_undo(int);
extern void full_redisplay();
extern int erase_screen();
extern int invalidate_screen();
extern int16_t need_to_close;
extern int16_t screen_width_hpus;
extern int16_t row_label_hpus;
extern int16_t separate_graph_window;
extern int16_t graph_in_window();
extern void redraw();
extern void repaint();
extern struct {
    uint16_t hpu_per_col;
    uint16_t _pad;
    void *disp_txt_size;
    void *disp_txt_fit;
} display_metrics;

extern struct PSCREEN pscreen;
extern struct PSCREEN dscreen;
// Note: these are structures.
extern uint8_t bg_equiv_map[64];
extern uint8_t fg_equiv_map[16];

extern int16_t gph_display_flag;
extern int16_t cmdhandle;

extern struct LINEFUNCS *lfvec;
extern char *opline;
extern uint32_t scr_init_state;
extern int get_screen_size();
extern void *lts_malloc(size_t size);
extern void *alloc_mptr(char tag, uint16_t size, int vmr);
extern int clear_screen_buffer(struct PSCREEN *screenbuf);
extern char *tc_setup_line_funcs();

extern struct LOTUSFUNCS *core_funcs;
extern int RastHandle;
extern int16_t file_mode;
extern uint16_t num_text_cols;
extern uint16_t num_text_rows;
extern uint16_t hpu_per_col;
extern uint8_t flags[8];
extern int gbl_clock_status;
extern uint16_t clock_invalid;
extern int display_filename(void);
extern uint16_t filename_length;
extern int display_date(void);
extern int erase_background(uint16_t x,
                            uint16_t y,
                            uint16_t width,
                            uint16_t height,
                            int);
extern int input_key(void);
extern char *mac_str;
extern struct CELLCOORD mac_cell;
extern struct CELLCOORD mac_lastgoodcell;
extern struct MACXRTNS mac_xrtns;
extern int dspcref(uint8_t, struct CELLCOORD, int, char **, int16_t);

extern void slash_convert(char *path, uint16_t len);
extern uint16_t fname_real_len(const char *start, const char *end);
extern int file_path_expand(struct PATHNAME *src);
extern int check_lengths(char *);
extern uint16_t *get_fname_content_xlt_tbl(char *, uint16_t);
extern int file_name_clear(struct PATHNAME *name);
extern int16_t file_name_reduce(char *dst, char *pathname);
extern void file_name_case_check(char *pathname);
extern void fallback_and_coerce_case(char *path);
extern int16_t char_size(char);
extern int peek_next_mbcs(char *);
extern uint16_t resource_substr_match(uint16_t resid, char **matchpart);
extern void macro_buff_run(struct MACXRTNS *callbacks);
extern int in_rdy_mode();
extern void kfqueue_submit_kfun(uint16_t kfun);
extern int macro_key_run(char key);
extern struct CELLCOORD xyz2coord(uint8_t col, uint16_t row, uint16_t sheet);
extern struct CELLCOORD get_cellpointer();
extern bool coord_in_range(struct CELLCOORD cell, struct CELLCOORD rngstart, struct CELLCOORD rngend);
extern char * access_resource(uint16_t resid);
extern int16_t file_name_compose(char *filename, struct PATHNAME *path, char *root, uint16_t useroot);
int16_t print_file_in_use(struct PATHNAME *path);
extern int file_access_read(struct PATHNAME *pathname, struct SYSHANDLE **outfd, int16_t share);
extern int get_resource_handle(int16_t);
extern int file_read_line(int *fd, uint16_t bufsiz, char *buf, uint16_t *numread);
extern int16_t convert_from_table(uint16_t *table, char *inbuf, char *outbuf, int16_t outbufsiz);
extern int cell_immutable(struct CELLCOORD cell);
extern int make_label_cell(struct CELLCOORD cell, char *label, uint8_t labeltype);
extern int16_t peek_next_sbcs(char *);
extern uint16_t find_first_sbcs(char **haystack, uint16_t needle);
extern int skip_next_mbcs(char **strptr);
extern int get_string_end(char **str);
extern int import_outof_bounds(uint16_t maxcol, uint16_t maxrow);
extern int16_t parse_number(char *num, int16_t len);
extern int16_t make_number_cell(struct CELLCOORD cell);
extern int file_finished_shell(struct SYSHANDLE **fd, uint16_t result);
extern int sheet_modified(int16_t sheetnum);
extern int erase_window_cellhighlight(struct DISPLAYWINDOW *dp);
extern int set_dspcache(uint16_t size);
extern int16_t init_showme(int16_t termrows);
extern void map_win_screen_info(struct DISPLAYWINDOW *dp);
extern void map_row_invalid(struct DISPLAYWINDOW *dp);
extern void map_col_invalid(struct DISPLAYWINDOW *dp);
extern void set_dirty(unsigned int line, unsigned int col, int len, int, int16_t dirty);
extern uint16_t check_hidden_columns(uint16_t, int16_t);
extern void setup_column_widths(uint16_t, int16_t);
extern int16_t get_col_title_width();
extern void reset_dspcache(uint16_t basecol, uint16_t baserow, uint16_t endrow);
extern void row_set_pos();
extern int16_t get_row_label(int16_t row, char *buf);
extern void display_scan_row(struct CELLCOORD start, int16_t numcols);
extern int win_column_width(uint16_t, int16_t);
extern void tty_disp_info(struct DISPLAYINFO *dpyinfo);
extern void memdup(void *, uint32_t, uint32_t);
extern int16_t get_allow_autoexec();
#endif
