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- #include <stdio.h>
- #include <curses.h>
- #include <console.h>
-
- 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\033[2J\033[1;1H" );
- }
-
- 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,
- };
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