From 801ea034b652025dc22d26f6e1b802de932346da Mon Sep 17 00:00:00 2001
From: Christoph Lohmann <20h@r-36.net>
Date: Thu, 15 Nov 2012 16:21:23 +0100
Subject: Import the patch of Eckehard Berns to add insert mode. Thanks!

---
 st.c | 4 ++++
 1 file changed, 4 insertions(+)

(limited to 'st.c')

diff --git a/st.c b/st.c
index b8b2bbf..7b7bd55 100644
--- a/st.c
+++ b/st.c
@@ -2100,6 +2100,10 @@ tputc(char *c, int len) {
 		sel.bx = -1;
 	if(IS_SET(MODE_WRAP) && term.c.state & CURSOR_WRAPNEXT)
 		tnewline(1); /* always go to first col */
+	if(IS_SET(MODE_INSERT) && term.c.x+1 < term.col)
+		memmove(&term.line[term.c.y][term.c.x+1],
+			&term.line[term.c.y][term.c.x],
+			(term.col - term.c.x - 1) * sizeof(Glyph));
 	tsetchar(c, &term.c.attr, term.c.x, term.c.y);
 	if(term.c.x+1 < term.col)
 		tmoveto(term.c.x+1, term.c.y);
-- 
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