Import the patch of Eckehard Berns to add insert mode. Thanks!

1 files changed, 4 insertions, 0 deletions

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);