diff options
Diffstat (limited to 'tty-keys.c')
| -rw-r--r-- | tty-keys.c | 27 |
1 files changed, 18 insertions, 9 deletions
@@ -1315,15 +1315,21 @@ tty_keys_device_attributes(struct tty *tty, const char *buf, size_t len, } /* - * Add terminal features. Technically, VT420 and VT525 do not support - * SIXEL, but some modern terminals report it anyway so we accept it - * here too. + * Add terminal features. Hardware level 5 does not offer SIXEL but + * some terminal emulators report it anyway and it does not harm + * to check it here. + * + * DECSLRM and DECFRA should be supported by level 5 as well as level + * 4, but VTE has rather ruined it by advertising level 5 despite not + * supporting them. */ switch (p[0]) { - case 62: /* VT220 */ - case 63: /* VT320 */ - case 64: /* VT420 */ - case 65: /* VT525 */ + case 64: /* level 4 */ + tty_add_features(features, "margins,rectfill", ","); + /* FALLTHROUGH */ + case 62: /* level 2 */ + case 63: /* level 3 */ + case 65: /* level 5 */ for (i = 1; i < n; i++) { log_debug("%s: DA feature: %d", c->name, p[i]); if (p[i] == 4) @@ -1393,12 +1399,15 @@ tty_keys_device_attributes2(struct tty *tty, const char *buf, size_t len, break; } - /* Add terminal features. */ + /* + * Add terminal features. We add DECSLRM and DECFRA for some + * identification codes here, notably 64 will catch VT520, even though + * we can't use level 5 from DA because of VTE. + */ switch (p[0]) { case 41: /* VT420 */ case 61: /* VT510 */ case 64: /* VT520 */ - case 65: /* VT525 */ tty_add_features(features, "margins,rectfill", ","); break; case 'M': /* mintty */ |