Allow vertical layout for layer view

include/ui/metatilelayersitem.h

@@ -9,28 +9,40 @@
 class MetatileLayersItem: public SelectablePixmapItem {
     Q_OBJECT
 public:
-    MetatileLayersItem(Metatile *metatile, Tileset *primaryTileset, Tileset *secondaryTileset);
+    MetatileLayersItem(Metatile *metatile,
+                       Tileset *primaryTileset,
+                       Tileset *secondaryTileset,
+                       Qt::Orientation orientation = Qt::Horizontal);
     void draw();
     void setTilesets(Tileset*, Tileset*);
     void setMetatile(Metatile*);
     void clearLastModifiedCoords();
     void clearLastHoveredCoords();
+
+    QPoint tileIndexToPos(int index) const { return this->tilePositions.value(index); }
+    int posToTileIndex(const QPoint &pos) const { return this->tilePositions.indexOf(pos); }
+    int posToTileIndex(int x, int y) const { return posToTileIndex(QPoint(x, y)); }
+
+    void setOrientation(Qt::Orientation orientation);
+
     bool showGrid;
 private:
     Metatile* metatile;
     Tileset *primaryTileset;
     Tileset *secondaryTileset;
+    Qt::Orientation orientation;
     QPoint prevChangedPos;
     QPoint prevHoveredPos;
 
+    QList<QPoint> tilePositions;
+
     QPoint getBoundedPos(const QPointF &);
-    void requestTileChange(const QPoint &pos);
-    void requestPaletteChange(const QPoint &pos);
     void updateSelection();
+    void hover(const QPoint &pos);
 signals:
     void tileChanged(const QPoint &pos);
     void paletteChanged(const QPoint &pos);
-    void selectedTilesChanged(QPoint, int, int);
+    void selectedTilesChanged(const QPoint &pos, const QSize &dimensions);
     void hoveredTileChanged(const Tile &tile);
     void hoveredTileCleared();
 protected:

include/ui/selectablepixmapitem.h

@@ -19,9 +19,13 @@ public:
           selectionOffsetX(0),
           selectionOffsetY(0)
         {}
-    virtual QSize getSelectionDimensions() const;
+    virtual QSize getSelectionDimensions() const { return QSize(abs(this->selectionOffsetX) + 1, abs(this->selectionOffsetY) + 1); }
     virtual void draw() = 0;
 
+    virtual void setMaxSelectionSize(const QSize &size) { setMaxSelectionSize(size.width(), size.height()); }
+    virtual void setMaxSelectionSize(int width, int height);
+    QSize maxSelectionSize() { return QSize(this->maxSelectionWidth, this->maxSelectionHeight); }
+
 protected:
     int cellWidth;
     int cellHeight;
@@ -33,17 +37,22 @@ protected:
     int selectionOffsetY;
 
     QPoint getSelectionStart();
-    void select(int x, int y, int width = 0, int height = 0);
-    void select(const QPoint &pos, const QSize &size = QSize(0,0)) { select(pos.x(), pos.y(), size.width(), size.height()); }
-    void updateSelection(int, int);
+    void select(const QPoint &pos, const QSize &size = QSize(1,1));
+    void select(int x, int y, int width = 1, int height = 1) { select(QPoint(x, y), QSize(width, height)); }
+    void updateSelection(const QPoint &pos);
     QPoint getCellPos(QPointF);
     virtual void mousePressEvent(QGraphicsSceneMouseEvent*) override;
     virtual void mouseMoveEvent(QGraphicsSceneMouseEvent*) override;
     virtual void mouseReleaseEvent(QGraphicsSceneMouseEvent*) override;
     virtual void drawSelection();
+    virtual int cellsWide() const { return this->cellWidth ? (pixmap().width() / this->cellWidth) : 0; }
+    virtual int cellsTall() const { return this->cellHeight ? (pixmap().height() / this->cellHeight) : 0; }
 
 signals:
-    void selectionChanged(int, int, int, int);
+    void selectionChanged(const QPoint&, const QSize&);
+
+private:
+    QPoint prevCellPos = QPoint(-1,-1);
 };
 
 #endif // SELECTABLEPIXMAPITEM_H

include/ui/tileseteditor.h

@@ -69,7 +69,7 @@ private slots:
     void onHoveredTileChanged(const Tile&);
     void onHoveredTileChanged(uint16_t);
     void onHoveredTileCleared();
-    void onMetatileLayerSelectionChanged(QPoint, int, int);
+    void onMetatileLayerSelectionChanged(const QPoint&, const QSize&);
     void onPaletteEditorChangedPaletteColor();
 
     void on_actionChange_Metatiles_Count_triggered();
@@ -138,6 +138,7 @@ private:
     void refreshTileFlips();
     void refreshPaletteId();
     void paintSelectedLayerTiles(const QPoint &pos, bool paletteOnly = false);
+    void setMetatileLayerOrientation(Qt::Orientation orientation);
 
     Ui::TilesetEditor *ui;
     History<MetatileHistoryItem*> metatileHistory;

include/ui/tileseteditortileselector.h

@@ -7,8 +7,8 @@
 class TilesetEditorTileSelector: public SelectablePixmapItem {
     Q_OBJECT
 public:
-    TilesetEditorTileSelector(Tileset *primaryTileset, Tileset *secondaryTileset, int numLayers)
-        : SelectablePixmapItem(16, 16, numLayers * Metatile::tileWidth(), Metatile::tileHeight()) {
+    TilesetEditorTileSelector(Tileset *primaryTileset, Tileset *secondaryTileset)
+        : SelectablePixmapItem(16, 16, Metatile::tileWidth(), Metatile::tileWidth()) {
         this->primaryTileset = primaryTileset;
         this->secondaryTileset = secondaryTileset;
         this->numTilesWide = 16;
@@ -19,6 +19,7 @@ public:
         setAcceptHoverEvents(true);
     }
     QSize getSelectionDimensions() const override;
+    void setMaxSelectionSize(int width, int height) override;
     void draw() override;
     void select(uint16_t metatileId);
     void highlight(uint16_t metatileId);
@@ -31,6 +32,7 @@ public:
     QImage buildPrimaryTilesIndexedImage();
     QImage buildSecondaryTilesIndexedImage();
 
+
     QVector<uint16_t> usedTiles;
     bool showUnused = false;
     bool showDivider = false;
@@ -49,6 +51,7 @@ private:
     int externalSelectionHeight;
     QList<Tile> externalSelectedTiles;
     QList<int> externalSelectedPos;
+    QPoint prevCellPos = QPoint(-1,-1);
 
     Tileset *primaryTileset;
     Tileset *secondaryTileset;