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vte: implement DECSCL 'p' CSI

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DECSCL is used to select compatibility modes. We do not support the VT100
compatibility mode explicitely or the VT220 mode, however, we always send
7-bit control characters and support escape sequences from both series so
we can safely ignore DECSCL.

Signed-off-by: David Herrmann <dh.herrmann@googlemail.com>
This commit is contained in:
David Herrmann 2012-05-28 18:09:12 +02:00
parent 4b656aaa11
commit 6b5fb5613d
1 changed files with 17 additions and 0 deletions
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17
src/vte.c
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@ -518,6 +518,23 @@ static void do_csi(struct kmscon_vte *vte, uint32_t data)
}
}
break;
case 'p': /* DECSCL: Compatibility Level */
if (vte->csi_argv[0] == 61) {
/* Switching to VT100 compatibility mode. We do
* not support this mode, so ignore it. In fact,
* we are almost compatible to it, anyway, so
* there is no need to explicitely select it. */
} else if (vte->csi_argv[0] == 62) {
/* Switching to VT220 compatibility mode. We are
* always compatible with this so ignore it.
* We always send 7bit controls so we also do
* not care for the parameter value here that
* select the control-mode. */
} else {
log_debug("unhandled DECSCL 'p' CSI %i",
vte->csi_argv[0]);
}
break;
default:
log_debug("unhandled CSI sequence %c", data);
}