From 9dc1d18241be1c496980b30c2b3eb943dd9aaccb Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Daniel=20Ekl=C3=B6f?= <daniel@ekloef.se>
Date: Tue, 14 Jul 2020 10:58:57 +0200
Subject: [PATCH] term: print: force line-wrap if a multi-column character does
 not fit on current line

---
 CHANGELOG.md | 3 +++
 terminal.c   | 6 ++++++
 2 files changed, 9 insertions(+)

diff --git a/CHANGELOG.md b/CHANGELOG.md
index 01df8b1e..d0abae72 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -102,6 +102,9 @@
   the cursor was **not** at the bottom of the scrolling region.
 * `IND` and `RI` now clears `LCF`.
 * `DECAWM` not clears `LCF`.
+* A multi-column character that does not fit on the current line is
+  now printed on the next line, instead of only printing half the
+  character.
 
 
 ### Security
diff --git a/terminal.c b/terminal.c
index 78f64510..76318d90 100644
--- a/terminal.c
+++ b/terminal.c
@@ -2388,6 +2388,12 @@ term_print(struct terminal *term, wchar_t wc, int width)
     if (unlikely(width <= 0))
         return;
 
+    if (term->grid->cursor.point.col + width > term->cols) {
+        /* Multi-column character that doesn't fit on current line -
+         * force a line wrap */
+        term->grid->cursor.lcf = 1;
+    }
+
     print_linewrap(term);
     print_insert(term, width);