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)
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