Grid painting

gridpreview.h

@@ -2,6 +2,7 @@
 #define GRIDPREVIEW_H
 
 #include <QWidget>
+#include <QPainter>
 #include "line.h"
 
 class GridPreview : public QWidget
@@ -13,9 +14,12 @@ public:
     void addLine(Line &line);
     void removeLine(int index);
     QString toLuaTable();
+    void paintEvent(QPaintEvent* event);
+    QColor colorFromString(QString color);
 private:
     int width = 5, height = 5;
     QVector<Line> lines {};
+    QMap<QString, QColor> colorMap;
     const QString tableTemplate = "return {\n    width = %1,\n    height = %2,\n    lines = {\n%3\n    }\n}";
 signals:
 };