/* see LICENSE for details */
#pragma once

#include <stdbool.h>
#include <sys/types.h>

#ifndef NCURSES_MOUSE_VERSION
#define mmask_t unsigned long
#endif

typedef struct Vt Vt;
typedef void (*vt_title_handler_t)(Vt*, const char *title);
typedef void (*vt_urgent_handler_t)(Vt*);

void    vt_init(void);
void    vt_shutdown(void);

void    vt_keytable_set(char const * const keytable_overlay[], int count);
void    vt_default_colors_set(Vt*, attr_t attrs, short fg, short bg);
void    vt_title_handler_set(Vt*, vt_title_handler_t);
void    vt_urgent_handler_set(Vt*, vt_urgent_handler_t);
void    vt_data_set(Vt*, void *);
void    *vt_data_get(Vt*);

Vt     *vt_create(int rows, int cols, int scroll_buf_sz);
void    vt_resize(Vt*, int rows, int cols);
void    vt_destroy(Vt*);
pid_t   vt_forkpty(Vt*, const char *p, const char *argv[], const char *cwd, const char *env[], int *to, int *from);
int     vt_pty_get(Vt*);
bool    vt_cursor_visible(Vt*);

int     vt_process(Vt *);
void    vt_keypress(Vt *, int keycode);
ssize_t vt_write(Vt*, const char *buf, size_t len);
void    vt_mouse(Vt*, int x, int y, mmask_t mask);
void    vt_dirty(Vt*);
void    vt_draw(Vt*, WINDOW *win, int startrow, int startcol);
short   vt_color_get(Vt*, short fg, short bg);
short   vt_color_reserve(short fg, short bg);

void    vt_scroll(Vt*, int rows);
void    vt_noscroll(Vt*);

pid_t   vt_pid_get(Vt*);
size_t  vt_content_get(Vt*, char **s, bool colored);
int     vt_content_start(Vt*);