- // update the current position of the resizing marker if xPhysical is a
- // valid physical coordinate value or remove it entirely if it is -1
- void UpdateResizingMarker(int xPhysical);
+ // same functions as above but for column moving/reordering instead of
+ // resizing
+ void StartReordering(unsigned int col, int xPhysical);
+
+ // returns true if we did drag the column somewhere else or false if we
+ // didn't really move it -- in this case we consider that no reordering
+ // took place and that a normal column click event should be generated
+ bool EndReordering(int xPhysical);
+
+ // constrain the given position to be larger than the start position of the
+ // given column plus its minimal width and return the effective width
+ int ConstrainByMinWidth(unsigned int col, int& xPhysical);
+
+ // update the information displayed while a column is being moved around
+ void UpdateReorderingMarker(int xPhysical);
+
+ // clear any overlaid markers
+ void ClearMarkers();