added a border to selected/mouseHover elements in the grid view

custom_widgets/yacreader_busy_widget.h

@@ -0,0 +1,50 @@
+#ifndef YACREADER_BUSYINDICATOR_H
+#define YACREADER_BUSYINDICATOR_H
+
+#include <QTimer>
+#include <QWidget>
+
+class YACReaderBusyWidget : public QWidget
+{
+	Q_OBJECT
+public:
+	explicit YACReaderBusyWidget(QWidget *parent = 0);
+	void paintEvent(QPaintEvent *);
+};
+
+class BusyIndicator : public QWidget
+{
+	Q_OBJECT
+public:
+	enum IndicatorStyle{StyleRect, StyleEllipse, StyleArc};
+
+	explicit BusyIndicator(QWidget *parent = 0);
+
+	void paintEvent(QPaintEvent *);
+	QSize minimumSizeHint() const;
+	QSize sizeHint() const;
+
+	void setIndicatorStyle(IndicatorStyle);
+	void setColor(QColor color);
+	const IndicatorStyle indicatorStyle() const;
+
+signals:
+
+private slots:
+	void rotate();
+
+private:
+	QPixmap generatePixmap(int sideLength);
+	void drawRectStyle(QPainter *painter);
+	void drawEllipseStyle(QPainter *painter);
+	void drawArcStyle(QPainter *painter);
+
+	QTimer timer;
+	int startAngle;
+
+	IndicatorStyle m_style;
+
+	QColor fillColor;
+};
+
+#endif // BUSYINDICATOR_H