Merged feature-filter into master

filterlineedit.h

@@ -0,0 +1,31 @@
+#ifndef FILTERLINEEDIT_H
+#define FILTERLINEEDIT_H
+
+#include <QLineEdit>
+#include <QToolButton>
+
+class FilterLineEdit : public QLineEdit
+{
+    Q_OBJECT
+public:
+    explicit FilterLineEdit(QWidget *parent = 0);
+    
+signals:
+    
+public slots:
+
+private slots:
+    void updateCloseButton(const QString &text);
+
+protected:
+    void focusInEvent(QFocusEvent *e);
+    void focusOutEvent(QFocusEvent *e);
+
+    void resizeEvent(QResizeEvent *e);
+
+private:
+    QToolButton *clearButton;
+    
+};
+
+#endif // FILTERLINEEDIT_H