From 5ae4955e834831b5680baaad7c4f974e407ffb7a Mon Sep 17 00:00:00 2001
From: c4llv07e <igor@c4llv07e.xyz>
Date: Mon, 27 Oct 2025 13:25:48 +0300
Subject: [PATCH] search: use case insensitive search only if there's no
 uppercase in search

---
 CHANGELOG.md | 2 ++
 search.c     | 9 +++++++--
 2 files changed, 9 insertions(+), 2 deletions(-)

diff --git a/CHANGELOG.md b/CHANGELOG.md
index d2eebef8..81f7a168 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -100,6 +100,8 @@
   e.g. integrated graphics ([#2182][2182]).
 * Jump label colors in the modus-operandi theme, for improved
   readability.
+* Scrollback search is now case sensitive when the search string
+  contains at least one upper case character.
 
 [2182]: https://codeberg.org/dnkl/foot/issues/2182
 
diff --git a/search.c b/search.c
index dda84e6d..5a2b6236 100644
--- a/search.c
+++ b/search.c
@@ -283,8 +283,13 @@ matches_cell(const struct terminal *term, const struct cell *cell, size_t search
     if (composed == NULL && base == 0 && term->search.buf[search_ofs] == U' ')
         return 1;
 
-    if (c32ncasecmp(&base, &term->search.buf[search_ofs], 1) != 0)
-        return -1;
+    if (hasc32upper(term->search.buf)) {
+        if (c32ncmp(&base, &term->search.buf[search_ofs], 1) != 0)
+            return -1;
+    } else {
+        if (c32ncasecmp(&base, &term->search.buf[search_ofs], 1) != 0)
+            return -1;
+    }
 
     if (composed != NULL) {
         if (search_ofs + composed->count > term->search.len)