1 files changed, 11 insertions, 0 deletions
diff --git a/src/layout/algorithm/tiled/scrolling/ScrollingAlgorithm.hpp b/src/layout/algorithm/tiled/scrolling/ScrollingAlgorithm.hpp
index 19eb9ba6..a7c64aa8 100644
--- a/src/layout/algorithm/tiled/scrolling/ScrollingAlgorithm.hpp
+++ b/src/layout/algorithm/tiled/scrolling/ScrollingAlgorithm.hpp
@@ -114,6 +114,17 @@ namespace Layout::Tiled {
         virtual SP<ITarget>              layoutFullscreenTarget() const;
         virtual bool                     layoutFullscreenCoversMonitor() const;
 
+        void                             moveTape(float delta);
+        void                             moveTapeNormalized(double delta);
+        void                             snapToGrid();
+        SP<SColumnData>                  snapToProjectedOffset(double projectedNormalizedOffset);
+        void                             focusColumn(SP<SColumnData> column);
+        SP<SColumnData>                  getColumnAtViewportCenter();
+        SP<SColumnData>                  currentColumn();
+
+        double                           primaryViewportSize();
+        double                           normalizedTapeOffset();
+
         CBox                             usableArea() const;
         SP<SScrollingTargetData>         dataFor(SP<ITarget> t) const;