From ee0a7cda880f01771470b2902839c5d6396057c3 Mon Sep 17 00:00:00 2001
From: Nicholas Marriott <nicholas.marriott@gmail.com>
Date: Sat, 10 Jan 2009 22:28:40 +0000
Subject: [PATCH] Restore emulation of ich with insert mode.

---
 tmux.h     |  4 +++-
 tty-term.c | 11 ++++++++---
 tty.c      | 13 +++++++++++--
 3 files changed, 22 insertions(+), 6 deletions(-)

diff --git a/tmux.h b/tmux.h
index cfd4973b..96e387e6 100644
--- a/tmux.h
+++ b/tmux.h
@@ -1,4 +1,4 @@
-/* $Id: tmux.h,v 1.219 2009-01-10 19:37:35 nicm Exp $ */
+/* $Id: tmux.h,v 1.220 2009-01-10 22:28:40 nicm Exp $ */
 
 /*
  * Copyright (c) 2007 Nicholas Marriott <nicm@users.sourceforge.net>
@@ -289,12 +289,14 @@ enum tty_code_code {
 	TTYC_RI,	/* scroll_reverse, sr */
 	TTYC_RMACS,	/* exit_alt_charset_mode */
 	TTYC_RMCUP,	/* exit_ca_mode, te */
+	TTYC_RMIR,	/* exit_insert_mode, ei */
 	TTYC_RMKX,	/* keypad_local, ke */
 	TTYC_SETAB,	/* set_a_background, AB */
 	TTYC_SETAF,	/* set_a_foreground, AF */
 	TTYC_SGR0,	/* exit_attribute_mode, me */
 	TTYC_SMACS,	/* enter_alt_charset_mode, as */
 	TTYC_SMCUP,	/* enter_ca_mode, ti */
+	TTYC_SMIR,	/* enter_insert_mode, im */
 	TTYC_SMKX,	/* keypad_xmit, ks */
 	TTYC_SMSO,	/* enter_standout_mode, so */
 	TTYC_SMUL,	/* enter_underline_mode, us */
diff --git a/tty-term.c b/tty-term.c
index c11e7565..e903d8ce 100644
--- a/tty-term.c
+++ b/tty-term.c
@@ -1,4 +1,4 @@
-/* $Id: tty-term.c,v 1.6 2009-01-10 22:26:08 nicm Exp $ */
+/* $Id: tty-term.c,v 1.7 2009-01-10 22:28:40 nicm Exp $ */
 
 /*
  * Copyright (c) 2008 Nicholas Marriott <nicm@users.sourceforge.net>
@@ -96,12 +96,14 @@ struct tty_term_code_entry tty_term_codes[NTTYCODE] = {
 	{ TTYC_RI, TTYCODE_STRING, "ri" },
 	{ TTYC_RMACS, TTYCODE_STRING, "rmacs" },
 	{ TTYC_RMCUP, TTYCODE_STRING, "rmcup" },
+	{ TTYC_RMIR, TTYCODE_STRING, "rmir" },
 	{ TTYC_RMKX, TTYCODE_STRING, "rmkx" },
 	{ TTYC_SETAB, TTYCODE_STRING, "setab" },
 	{ TTYC_SETAF, TTYCODE_STRING, "setaf" },
 	{ TTYC_SGR0, TTYCODE_STRING, "sgr0" },
 	{ TTYC_SMACS, TTYCODE_STRING, "smacs" },
 	{ TTYC_SMCUP, TTYCODE_STRING, "smcup" },
+	{ TTYC_SMIR, TTYCODE_STRING, "smir" },
 	{ TTYC_SMKX, TTYCODE_STRING, "smkx" },
 	{ TTYC_SMSO, TTYCODE_STRING, "smso" },
 	{ TTYC_SMUL, TTYCODE_STRING, "smul" },
@@ -290,8 +292,11 @@ tty_term_find(char *name, int fd, char **cause)
 		xasprintf(cause, "terminal does not support dl1 or dl");
 		goto error;
 	}
-	if (!tty_term_has(term, TTYC_ICH1) && !tty_term_has(term, TTYC_ICH)) {
-		xasprintf(cause, "terminal does not support ich1 or ich");
+	if (!tty_term_has(term, TTYC_ICH1) && 
+	    !tty_term_has(term, TTYC_ICH) && (!tty_term_has(term, TTYC_SMIR) ||
+	    !tty_term_has(term, TTYC_RMIR))) {
+		xasprintf(cause, 
+		    "terminal does not support ich1 or ich or smir and rmir");
 		goto error;
 	}
 	if (!tty_term_has(term, TTYC_DCH1) && !tty_term_has(term, TTYC_DCH)) {
diff --git a/tty.c b/tty.c
index aad33009..c3ae5b5c 100644
--- a/tty.c
+++ b/tty.c
@@ -1,4 +1,4 @@
-/* $Id: tty.c,v 1.56 2009-01-10 01:51:22 nicm Exp $ */
+/* $Id: tty.c,v 1.57 2009-01-10 22:28:40 nicm Exp $ */
 
 /*
  * Copyright (c) 2007 Nicholas Marriott <nicm@users.sourceforge.net>
@@ -411,7 +411,16 @@ tty_cmd_insertcharacter(struct tty *tty, unused struct screen *s, va_list ap)
 
 	tty_reset(tty);
 
-	tty_emulate_repeat(tty, TTYC_ICH, TTYC_ICH1, ua);
+	if (tty_term_has(tty->term, TTYC_ICH) || 
+	    tty_term_has(tty->term, TTYC_ICH1))
+	    tty_emulate_repeat(tty, TTYC_ICH, TTYC_ICH1, ua);
+	else {
+		tty_putcode(tty, TTYC_SMIR);
+		while (ua-- > 0)
+			tty_putc(tty, ' ');
+		tty_putcode(tty, TTYC_RMIR);
+		tty_putcode2(tty, TTYC_CUP, s->cy, s->cx);
+	}
 }
 
 void