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/* uuterm, Copyright (C) 2006 Rich Felker; licensed under GNU GPL v2 only */
#include <stddef.h>
#include <wchar.h> /* for mbstate_t... */
struct uucell
{
unsigned short a;
unsigned char c[8];
};
struct uurow
{
int idx;
int x1, x2; /* dirty region */
struct uucell cells[1];
};
#define UU_ATTR_DIM 0x0100
#define UU_ATTR_UL 0x0200
#define UU_ATTR_REV 0x0400
#define UU_ATTR_BOLD 0x0008
#define UU_ATTR_FG 0x0007
#define UU_ATTR_BLINK 0x0080
#define UU_ATTR_BG 0x0070
struct uuterm
{
struct uurow **rows;
int w, h;
// all members past this point are zero-filled on reset!
int reset;
// output state
int x, y;
int attr;
int sr_y1, sr_y2;
int ins :1;
int am :1;
int noam :1;
// input state
int ckp :1;
int kp :1;
char reslen;
char res[16];
// saved state
int save_x, save_y;
int save_attr, save_fg, save_bg;
// escape sequence processing
int esc;
unsigned param[16];
int nparam;
// multibyte parsing
mbstate_t mbs;
};
struct uudisp
{
int cell_w, cell_h;
int w, h;
int inlen;
unsigned char *intext;
unsigned char inbuf[16];
int blink;
long priv[64];
};
#define UU_FULLWIDTH 0xfffe
#define UU_ROW_SIZE(w) (sizeof(struct uurow) + (w)*sizeof(struct uucell))
#define UU_BUF_SIZE(w, h) ( (h) * (sizeof(struct uurow *) * UU_ROW_SIZE((w))) )
void uuterm_reset(struct uuterm *);
void uuterm_replace_buffer(struct uuterm *, int, int, void *);
void uuterm_stuff_byte(struct uuterm *, unsigned char);
void uuterm_refresh_row(struct uudisp *, struct uurow *, int, int);
int uu_combine_involution(unsigned, unsigned);
int uudisp_open(struct uudisp *);
int uudisp_fd_set(struct uudisp *, int, void *);
void uudisp_next_event(struct uudisp *, void *);
void uudisp_close(struct uudisp *);
void uudisp_refresh(struct uudisp *, struct uuterm *);
void uudisp_draw_glyph(struct uudisp *, int, int, const void *, int);
void *uuterm_alloc(size_t);
void uuterm_free(void *);
void *uuterm_buf_alloc(int, int);
void uutty_resize(int, int, int);
int uutty_open(char **, int, int);
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