setLayout to create layout-only edit mode

include/core/maplayout.h

@@ -92,6 +92,8 @@ public:
     void clearBorderCache();
     void cacheBorder();
 
+    bool hasUnsavedChanges();
+
     bool layoutBlockChanged(int i, const Blockdata &cache);
 
     uint16_t getBorderMetatileId(int x, int y);

include/editor.h

@@ -60,11 +60,14 @@ public:
     void closeProject();
 
     bool setMap(QString map_name);
+    bool setLayout(QString layoutName);
     void unsetMap();
 
     Tileset *getCurrentMapPrimaryTileset();
 
     bool displayMap();
+    bool displayLayout();
+
     void displayMetatileSelector();
     void displayMapMetatiles();
     void displayMapMovementPermissions();

include/mainwindow.h

@@ -357,7 +357,7 @@ private:
 
     bool tilesetNeedsRedraw = false;
 
-    bool setLayout(QString layoutName);
+    bool setLayout(QString layoutId);
 
     bool setMap(QString, bool scrollTreeView = false);
     void unsetMap();

include/project.h

@@ -145,6 +145,7 @@ public:
     QSet<QString> getTopLevelMapFields();
     bool loadMapData(Map*);
     bool readMapLayouts();
+    Layout *loadLayout(QString layoutId);
     bool loadLayout(Layout *);
     bool loadMapLayout(Map*);
     bool loadLayoutTilesets(Layout *);

include/ui/maplistmodels.h

@@ -62,9 +62,9 @@ public:
     QVariant data(const QModelIndex &index, int role) const override;
 
 public:
-    void setLayout(QString layoutName) { this->openLayout = layoutName; }
+    void setLayout(QString layoutId) { this->openLayout = layoutId; }
 
-    QStandardItem *createLayoutItem(QString layoutName);
+    QStandardItem *createLayoutItem(QString layoutId);
     QStandardItem *createMapItem(QString mapName);
 
     QStandardItem *getItem(const QModelIndex &index) const;