1 files changed, 34 insertions, 0 deletions
diff --git a/src/charts/PieLegend.h b/src/charts/PieLegend.h
new file mode 100644
index 0000000..d8e83e5
--- /dev/null
+++ b/src/charts/PieLegend.h
@@ -0,0 +1,34 @@
+#ifndef PIE_LEGEND_H
+#define PIE_LEGEND_H
+
+#include <QtWidgets>
+
+#include "DataPoint.h"
+
+class PieChartScene;
+
+class PieLegend: public QGraphicsItem
+{
+public:
+    static const int Width = 150;
+    static const int SquareSide = 20;
+    static const int LabelSpacing = 10;
+    static const int LabelTextSpacing = 10;
+
+public:
+    PieLegend(const QPointF& pos, const PieChartScene* scene);
+    QRectF boundingRect() const;
+    void paint(QPainter*, const QStyleOptionGraphicsItem*, QWidget* = 0) {}
+
+private:
+    void addLabels();
+    QPointF getLabelPos(int index) const;
+    void addLabel(int index, const QPointF& pos);
+    QPointF getTextPos(const QPointF& squarePos,
+            const QGraphicsSimpleTextItem* textItem) const;
+
+private:
+    const PieChartScene* scene;
+};
+
+#endif