Fix potential segfault, cleanup, get rid of warnings.

apps/opencs/model/world/collection.hpp

@@ -297,7 +297,6 @@ namespace CSMWorld
     {
         int index = cloneRecordImp(origin, destination, type);
         mRecords.at(index).get().mPlugin = 0;
-        mRecords.at(index).get().mContext.filename.clear();
     }
 
     template<typename ESXRecordT, typename IdAccessorT>
@@ -313,7 +312,6 @@ namespace CSMWorld
         if (index >= 0)
         {
             mRecords.at(index).get().mPlugin = 0;
-            mRecords.at(index).get().mContext.filename.clear();
             return true;
         }
 

apps/opencs/view/render/cell.cpp

@@ -75,7 +75,7 @@ bool CSVRender::Cell::addObjects (int start, int end)
     return modified;
 }
 
-void CSVRender::Cell::createLand()
+void CSVRender::Cell::updateLand()
 {
     // Cell is deleted
     if (mDeleted)
@@ -152,7 +152,7 @@ CSVRender::Cell::Cell (CSMWorld::Data& data, osg::Group* rootNode, const std::st
 
         addObjects (0, rows-1);
 
-        createLand();
+        updateLand();
 
         mPathgrid.reset(new Pathgrid(mData, mCellNode, mId, mCoordinates));
         mCellWater.reset(new CellWater(mData, mCellNode, mId, mCoordinates));
@@ -325,32 +325,32 @@ void CSVRender::Cell::pathgridRemoved()
 
 void CSVRender::Cell::landDataChanged (const QModelIndex& topLeft, const QModelIndex& bottomRight)
 {
-    createLand();
+    updateLand();
 }
 
 void CSVRender::Cell::landAboutToBeRemoved (const QModelIndex& parent, int start, int end)
 {
-    createLand();
+    updateLand();
 }
 
 void CSVRender::Cell::landAdded (const QModelIndex& parent, int start, int end)
 {
-    createLand();
+    updateLand();
 }
 
 void CSVRender::Cell::landTextureChanged (const QModelIndex& topLeft, const QModelIndex& bottomRight)
 {
-    createLand();
+    updateLand();
 }
 
 void CSVRender::Cell::landTextureAboutToBeRemoved (const QModelIndex& parent, int start, int end)
 {
-    createLand();
+    updateLand();
 }
 
 void CSVRender::Cell::landTextureAdded (const QModelIndex& parent, int start, int end)
 {
-    createLand();
+    updateLand();
 }
 
 void CSVRender::Cell::reloadAssets()

apps/opencs/view/render/cell.hpp

@@ -72,7 +72,7 @@ namespace CSVRender
             /// \return Have any objects been added?
             bool addObjects (int start, int end);
 
-            void createLand();
+            void updateLand();
             void unloadLand();
 
         public:

apps/opencs/view/world/genericcreator.cpp

@@ -262,18 +262,17 @@ void CSVWorld::GenericCreator::cloneMode(const std::string& originId,
 void CSVWorld::GenericCreator::touch(const std::vector<CSMWorld::UniversalId>& ids)
 {
     // Combine multiple touch commands into one "macro" command
-    std::unique_ptr<QUndoCommand> macro(new QUndoCommand());
-    macro->setText("Touch records");
+    mUndoStack.beginMacro("Touch Records");
 
     CSMWorld::IdTable& table = dynamic_cast<CSMWorld::IdTable&>(*mData.getTableModel(mListId));
     for (const CSMWorld::UniversalId& uid : ids)
     {
-        // This is not leaked, touchCmd is a child of macro and managed by Qt
-        CSMWorld::TouchCommand* touchCmd = new CSMWorld::TouchCommand(table, uid.getId(), macro.get());
+        CSMWorld::TouchCommand* touchCmd = new CSMWorld::TouchCommand(table, uid.getId());
+        mUndoStack.push(touchCmd);
     }
 
     // Execute
-    mUndoStack.push(macro.release());
+    mUndoStack.endMacro();
 }
 
 void CSVWorld::GenericCreator::toggleWidgets(bool active)

apps/opencs/view/world/landcreator.cpp

@@ -55,19 +55,18 @@ namespace CSVWorld
     void LandCreator::touch(const std::vector<CSMWorld::UniversalId>& ids)
     {
         // Combine multiple touch commands into one "macro" command
-        std::unique_ptr<QUndoCommand> macro(new QUndoCommand());
-        macro->setText("Touch records");
+        getUndoStack().beginMacro("Touch records");
 
         CSMWorld::IdTable& lands = dynamic_cast<CSMWorld::IdTable&>(*getData().getTableModel(CSMWorld::UniversalId::Type_Lands));
         CSMWorld::IdTable& ltexs = dynamic_cast<CSMWorld::IdTable&>(*getData().getTableModel(CSMWorld::UniversalId::Type_LandTextures));
         for (const CSMWorld::UniversalId& uid : ids)
         {
-            // This is not leaked, touchCmd is a child of macro and managed by Qt
-            CSMWorld::TouchLandCommand* touchCmd = new CSMWorld::TouchLandCommand(lands, ltexs, uid.getId(), macro.get());
+            CSMWorld::TouchLandCommand* touchCmd = new CSMWorld::TouchLandCommand(lands, ltexs, uid.getId());
+            getUndoStack().push(touchCmd);
         }
 
         // Execute
-        getUndoStack().push(macro.release());
+        getUndoStack().endMacro();
     }
 
     void LandCreator::focus()

components/esm/loadland.cpp

@@ -238,7 +238,11 @@ namespace ESM
         // Copy data to target if no file
         if (mContext.filename.empty())
         {
-            *target = *mLandData;
+            if (mLandData)
+                *target = *mLandData;
+            else
+                target = new LandData;
+
             return;
         }