move overlaps function to selection.hh

1 files changed, 8 insertions, 0 deletions

diff --git a/src/selection.hh b/src/selection.hh
index 38eb6fd1..52267198 100644
--- a/src/selection.hh
+++ b/src/selection.hh
@@ -75,6 +75,14 @@ struct SelectionAndCaptures
     const BufferIterator& last() const { return selection.last(); }
 };
 
+inline bool overlaps(const SelectionAndCaptures& lhs,
+                     const SelectionAndCaptures& rhs)
+{
+    return (lhs.first() <= rhs.first() and lhs.last() >= rhs.first()) or
+           (lhs.first() <= rhs.last()  and lhs.last() >= rhs.last());
+}
+
+
 typedef std::vector<SelectionAndCaptures> SelectionAndCapturesList;
 
 }