Extract key code from HorizontalMove to shorten and simplify it.

New methods are SelectionMove, PositionMove, HomeWrapPosition and
SelectionPosition::AddVirtualSpace.
This refactoring commit does not change behaviour.

1 files changed, 3 insertions, 0 deletions

diff --git a/src/Selection.h b/src/Selection.h
index bc0f2208a..30e1e27ad 100644
--- a/src/Selection.h
+++ b/src/Selection.h
@@ -49,6 +49,9 @@ public:
 	void Add(Sci::Position increment) noexcept {
 		position = position + increment;
 	}
+	void AddVirtualSpace(Sci::Position increment) noexcept {
+		SetVirtualSpace(virtualSpace + increment);
+	}
 	bool IsValid() const noexcept {
 		return position >= 0;
 	}