Restructure source tree

include/ui/selectablepixmapitem.h

@@ -0,0 +1,40 @@
+#ifndef SELECTABLEPIXMAPITEM_H
+#define SELECTABLEPIXMAPITEM_H
+
+#include <QGraphicsPixmapItem>
+#include <QGraphicsSceneMouseEvent>
+
+class SelectablePixmapItem : public QObject, public QGraphicsPixmapItem {
+    Q_OBJECT
+public:
+    SelectablePixmapItem(int cellWidth, int cellHeight): SelectablePixmapItem(cellWidth, cellHeight, INT_MAX, INT_MAX) {}
+    SelectablePixmapItem(int cellWidth, int cellHeight, int maxSelectionWidth, int maxSelectionHeight) {
+        this->cellWidth = cellWidth;
+        this->cellHeight = cellHeight;
+        this->maxSelectionWidth = maxSelectionWidth;
+        this->maxSelectionHeight = maxSelectionHeight;
+    }
+    virtual QPoint getSelectionDimensions();
+    virtual void draw() = 0;
+
+protected:
+    int cellWidth;
+    int cellHeight;
+    int maxSelectionWidth;
+    int maxSelectionHeight;
+    int selectionInitialX;
+    int selectionInitialY;
+    int selectionOffsetX;
+    int selectionOffsetY;
+
+    QPoint getSelectionStart();
+    void select(int, int, int, int);
+    void updateSelection(int, int);
+    QPoint getCellPos(QPointF);
+    void mousePressEvent(QGraphicsSceneMouseEvent*);
+    void mouseMoveEvent(QGraphicsSceneMouseEvent*);
+    void mouseReleaseEvent(QGraphicsSceneMouseEvent*);
+    virtual void drawSelection();
+};
+
+#endif // SELECTABLEPIXMAPITEM_H