Fix unarr detection on Linux systems that use qmake without pkg-config support

custom_widgets/yacreader_search_line_edit.h

@@ -0,0 +1,40 @@
+#ifndef YACREADER_SEARCH_LINE_EDIT_H
+#define YACREADER_SEARCH_LINE_EDIT_H
+
+#include <QLineEdit>
+#include <QCompleter>
+
+#include "yacreader_global.h"
+
+class QToolButton;
+class QLabel;
+
+class YACReaderSearchLineEdit : public QLineEdit
+{
+	Q_OBJECT
+
+public:
+	YACReaderSearchLineEdit(QWidget *parent = 0);
+    void clearText(); //no signal emited;
+    const QString text();
+
+protected:
+	void resizeEvent(QResizeEvent *);
+
+signals:
+    void filterChanged(const YACReader::SearchModifiers, QString);
+
+private slots:
+	void updateCloseButton(const QString &text);
+    void processText(const QString & text);
+
+private:
+	QToolButton *clearButton;
+	QLabel * searchLabel;
+    QCompleter * modifiersCompleter;
+    QStringList modifiers;
+};
+
+
+
+#endif // YACREADER_SEARCH_LINE_EDIT_H