Add MataAvistas project (BudgetPro) as regular files

MataAvistas/BudgetPro/widget/colorslider.h

@@ -0,0 +1,23 @@
+#ifndef COLORSLIDER_H
+#define COLORSLIDER_H
+
+#include <QSlider>
+#include <QPaintEvent>
+
+class ColorSlider : public QSlider {
+    Q_OBJECT
+public:
+    ColorSlider(QWidget* parent = 0);
+    ~ColorSlider();
+
+    //h∈(0, 360), s∈(0, 1), v∈(0, 1)
+    QColor getColor(qreal h, qreal s, qreal v);
+
+protected:
+    void paintEvent(QPaintEvent *ev);
+
+private:
+    int m_value;
+};
+
+#endif // COLORSLIDER_H