undo: reorder cylinders on remove-cylinder undo/redo

The cylinders in the events must be reordered if we remove
a cylinder. To avoid duplication of code, move the reordering
function into qthelper.cpp, though it might not be ideal
there.

Signed-off-by: Berthold Stoeger <bstoeger@mail.tuwien.ac.at>

1 files changed, 2 insertions, 0 deletions

diff --git a/core/qthelper.h b/core/qthelper.h
index bb8876383..848763138 100644
--- a/core/qthelper.h
+++ b/core/qthelper.h
@@ -83,6 +83,8 @@ QLocale getLocale();
 QVector<QPair<QString, int>> selectedDivesGasUsed();
 QString getUserAgent();
 QString printGPSCoords(const location_t *loc);
+std::vector<int> get_cylinder_map_for_remove(int count, int n);
+std::vector<int> get_cylinder_map_for_add(int count, int n);
 
 extern QString (*changesCallback)();
 void uiNotification(const QString &msg);