Initial commit

tagview.h

@@ -0,0 +1,38 @@
+#ifndef TAGVIEW_H
+#define TAGVIEW_H
+
+#include "sqlitebackend.h"
+#include "tagscene.h"
+
+#include <QGraphicsView>
+#include <QTimer>
+
+
+class TagView : public QGraphicsView
+{
+public:
+    TagView(SQLiteSaveFile &proj);
+
+public slots:
+    void zoomToFit();
+    void setZoom(qreal zoom);
+    void zoomIn(qreal delta);
+    void rotate(int angle);
+
+protected:
+    void wheelEvent(QWheelEvent *evt) override;
+
+private slots:
+    void saveCenter();
+
+private:
+    void restoreViewport();
+
+    TagScene scene;
+    SQLiteSaveFile &proj;
+    QTimer saveCenterTimer;
+    int rotation;
+    double zoom;
+};
+
+#endif // TAGVIEW_H