Fix Qt4 build

apps/opencs/model/world/columnimp.hpp

@@ -2537,4 +2537,11 @@ namespace CSMWorld
     };
 }
 
+// This is required to access the type as a QVariant.
+Q_DECLARE_METATYPE(CSMWorld::LandMapLodColumn::DataType)
+//Q_DECLARE_METATYPE(CSMWorld::LandNormalsColumn::DataType) // Same as LandMapLodColumn::DataType
+Q_DECLARE_METATYPE(CSMWorld::LandHeightsColumn::DataType)
+Q_DECLARE_METATYPE(CSMWorld::LandColoursColumn::DataType)
+Q_DECLARE_METATYPE(CSMWorld::LandTexturesColumn::DataType)
+
 #endif

apps/opencs/model/world/commands.hpp

@@ -3,17 +3,16 @@
 
 #include "record.hpp"
 
-#include <cstdint>
 #include <string>
 #include <map>
 #include <memory>
 #include <vector>
 
 #include <QVariant>
-#include <QVector>
 #include <QUndoCommand>
 #include <QModelIndex>
 
+#include "columnimp.hpp"
 #include "universalid.hpp"
 #include "nestedtablewrapper.hpp"
 
@@ -57,7 +56,7 @@ namespace CSMWorld
 
         protected:
 
-            using DataType = QVector<uint16_t>;
+            using DataType = LandTexturesColumn::DataType;
 
             virtual const std::string& getOriginId() const = 0;
             virtual const std::string& getDestinationId() const = 0;