vt: fix SS2/SS3 escape sequences to act correctly as single shifts

These sequences are supposed to affect the next printable ASCII
character and then reset to the previous character set, but before
this commit they were behaving like locking shifts.
This commit is contained in:
Craig Barnes 2021-06-08 21:09:40 +01:00
parent e72e8b1b8e
commit a2c9c56f19
4 changed files with 22 additions and 4 deletions

View file

@ -192,6 +192,7 @@ enum charset { CHARSET_ASCII, CHARSET_GRAPHIC };
struct charsets {
int selected;
int saved;
enum charset set[4]; /* G0-G3 */
};
@ -605,6 +606,7 @@ bool term_shutdown(struct terminal *term);
int term_destroy(struct terminal *term);
void term_update_ascii_printer(struct terminal *term);
void term_set_single_shift_ascii_printer(struct terminal *term, int selected);
void term_reset(struct terminal *term, bool hard);
bool term_to_slave(struct terminal *term, const void *data, size_t len);