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From: Ed Schouten <ed@FreeBSD.org>
Date: Fri, 25 Sep 2009 13:51:02 +0000 (UTC)
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Subject: svn commit: r197481 - head/sys/teken
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Author: ed
Date: Fri Sep 25 13:51:01 2009
New Revision: 197481
URL: http://svn.freebsd.org/changeset/base/197481

Log:
  Add a new escape sequence to switch between cons25 and xterm.
  
  Just run this to switch to xterm:
  
  	printf '\e[=T'
  
  If you get bored and want to switch back to cons25, run this:
  
  	printf '\e[=1T'
  
  I can now send an email to the lists, asking whether people are
  interested in trying the xterm emulator.

Modified:
  head/sys/teken/sequences
  head/sys/teken/teken_subr_compat.h

Modified: head/sys/teken/sequences
==============================================================================
--- head/sys/teken/sequences	Fri Sep 25 11:58:51 2009	(r197480)
+++ head/sys/teken/sequences	Fri Sep 25 13:51:01 2009	(r197481)
@@ -104,6 +104,7 @@ C25ADBG	Cons25 set adapter background		^
 C25ADFG	Cons25 set adapter foreground		^[ [ = F	r
 C25BLPD	Cons25 set bell pitch duration		^[ [ = B	r r
 C25CURS	Cons25 set cursor type			^[ [ = S	r
+C25MODE	Cons25 set terminal mode		^[ [ = T	r
 C25VTSW	Cons25 switch virtual terminal		^[ [ z		r
 
 # VT52 compatibility

Modified: head/sys/teken/teken_subr_compat.h
==============================================================================
--- head/sys/teken/teken_subr_compat.h	Fri Sep 25 11:58:51 2009	(r197480)
+++ head/sys/teken/teken_subr_compat.h	Fri Sep 25 13:51:01 2009	(r197481)
@@ -87,6 +87,20 @@ teken_subr_cons25_set_bell_pitch_duratio
 	    (duration & 0xffff));
 }
 
+static void
+teken_subr_cons25_set_terminal_mode(teken_t *t, unsigned int mode)
+{
+
+	switch (mode) {
+	case 0:	/* Switch terminal to xterm. */
+		t->t_stateflags &= ~TS_CONS25;
+		break;
+	case 1: /* Switch terminal to cons25. */
+		t->t_stateflags |= TS_CONS25;
+		break;
+	}
+}
+
 #if 0
 static void
 teken_subr_vt52_decid(teken_t *t)