DynamicBufferIterator: add and use in Selections

DynamicBufferIterator are a new type of BufferIterators that
automatically update themselves when their buffer is modified.

Selections now uses this type of iterators instead of plain ones

1 files changed, 3 insertions, 2 deletions

diff --git a/src/window.hh b/src/window.hh
index 9ae7862c..2b62794b 100644
--- a/src/window.hh
+++ b/src/window.hh
@@ -4,6 +4,7 @@
 #include <functional>
 
 #include "buffer.hh"
+#include "dynamic_buffer_iterator.hh"
 #include "display_buffer.hh"
 
 namespace Kakoune
@@ -23,8 +24,8 @@ struct Selection
     void offset(int offset);
 
 private:
-    BufferIterator m_first;
-    BufferIterator m_last;
+    DynamicBufferIterator m_first;
+    DynamicBufferIterator m_last;
 };
 
 typedef std::vector<Selection> SelectionList;