Redraw window when the face definition changed

Hash the current face state and store that hash to check for changes.

1 files changed, 5 insertions, 0 deletions

diff --git a/src/face.hh b/src/face.hh
index dc38192c..098664d7 100644
--- a/src/face.hh
+++ b/src/face.hh
@@ -44,6 +44,11 @@ constexpr bool operator!=(const Face& lhs, const Face& rhs)
     return not (lhs == rhs);
 }
 
+constexpr size_t hash_value(const Face& val)
+{
+    return hash_values(val.fg, val.bg, val.attributes);
+}
+
 constexpr Face merge_faces(const Face& base, const Face& face)
 {
     return face.attributes & Attribute::Exclusive ?