From a410734f9605252776d4a5f6d82b65e6fd9e4d1d Mon Sep 17 00:00:00 2001
From: Timur Celik <mail@timurcelik.de>
Date: Tue, 20 Jul 2021 11:12:38 +0200
Subject: [PATCH] render: prevent cells from overflowing into margin

---
 CHANGELOG.md | 5 +++++
 render.c     | 3 ++-
 2 files changed, 7 insertions(+), 1 deletion(-)

diff --git a/CHANGELOG.md b/CHANGELOG.md
index 4c7968d4..7a997e7b 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -35,6 +35,11 @@
 ### Deprecated
 ### Removed
 ### Fixed
+
+* Rendering into the right margin area with `tweak.overflowing-glyphs`
+  enabled.
+
+
 ### Security
 ### Contributors
 
diff --git a/render.c b/render.c
index 7750dd19..6e0e82bf 100644
--- a/render.c
+++ b/render.c
@@ -617,7 +617,8 @@ render_cell(struct terminal *term, pixman_image_t *pix,
      */
     int render_width = cell_cols * width;
     if (term->conf->tweak.overflowing_glyphs &&
-        glyph_count > 0)
+        glyph_count > 0 &&
+        cols_left > cell_cols)
     {
         int glyph_width = 0, advance = 0;
         for (size_t i = 0; i < glyph_count; i++) {