#include <stdio.h> #include <curses.h> #include <console.h> FILE_LICENCE ( GPL2_OR_LATER ); static void ansiscr_reset(struct _curses_screen *scr) __nonnull; static void ansiscr_movetoyx(struct _curses_screen *scr, unsigned int y, unsigned int x) __nonnull; static void ansiscr_putc(struct _curses_screen *scr, chtype c) __nonnull; unsigned short _COLS = 80; unsigned short _LINES = 24; static void ansiscr_reset ( struct _curses_screen *scr ) { /* Reset terminal attributes and clear screen */ scr->attrs = 0; scr->curs_x = 0; scr->curs_y = 0; printf ( "\033[0m" ); } static void ansiscr_movetoyx ( struct _curses_screen *scr, unsigned int y, unsigned int x ) { if ( ( x != scr->curs_x ) || ( y != scr->curs_y ) ) { /* ANSI escape sequence to update cursor position */ printf ( "\033[%d;%dH", ( y + 1 ), ( x + 1 ) ); scr->curs_x = x; scr->curs_y = y; } } static void ansiscr_putc ( struct _curses_screen *scr, chtype c ) { unsigned int character = ( c & A_CHARTEXT ); attr_t attrs = ( c & ( A_ATTRIBUTES | A_COLOR ) ); int bold = ( attrs & A_BOLD ); attr_t cpair = PAIR_NUMBER ( attrs ); short fcol; short bcol; /* Update attributes if changed */ if ( attrs != scr->attrs ) { scr->attrs = attrs; pair_content ( cpair, &fcol, &bcol ); /* ANSI escape sequence to update character attributes */ printf ( "\033[0;%d;3%d;4%dm", ( bold ? 1 : 22 ), fcol, bcol ); } /* Print the actual character */ putchar ( character ); /* Update expected cursor position */ if ( ++(scr->curs_x) == _COLS ) { scr->curs_x = 0; ++scr->curs_y; } } static int ansiscr_getc ( struct _curses_screen *scr __unused ) { return getchar(); } static bool ansiscr_peek ( struct _curses_screen *scr __unused ) { return iskey(); } SCREEN _ansi_screen = { .init = ansiscr_reset, .exit = ansiscr_reset, .movetoyx = ansiscr_movetoyx, .putc = ansiscr_putc, .getc = ansiscr_getc, .peek = ansiscr_peek, };