From 9eda632c97b8bc623f4d0c4d93bfd9d58e361793 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Daniel=20Ekl=C3=B6f?= <daniel@ekloef.se>
Date: Sat, 2 May 2020 22:58:50 +0200
Subject: [PATCH] osc: OSC 12: mimic xterm - a color value of 0 means use
 inverted fg/bg

---
 CHANGELOG.md | 2 ++
 osc.c        | 5 ++++-
 2 files changed, 6 insertions(+), 1 deletion(-)

diff --git a/CHANGELOG.md b/CHANGELOG.md
index 303fad2e..c1920c89 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -65,6 +65,8 @@
 * Translation of cursor coordinates on resize
 * Scaling of legacy formatted color specifiers in OSC sequences.
 * `OSC 12 ?` to return the cursor color, not the cursor's text color.
+* `OSC 12;#000000` to configure the cursor to use inverted
+  foreground/background colors.
 
 
 ### Security
diff --git a/osc.c b/osc.c
index 1946f052..e40ee6a3 100644
--- a/osc.c
+++ b/osc.c
@@ -541,7 +541,10 @@ osc_dispatch(struct terminal *term)
 
         LOG_INFO("change cursor color to %06x", color);
 
-        term->cursor_color.cursor = 1 << 31 | color;
+        if (color == 0)
+            term->cursor_color.cursor = 0;  /* Invert fg/bg */
+        else
+            term->cursor_color.cursor = 1u << 31 | color;
         render_refresh(term);
         break;