Add simple check for password protected pdf's (poppler only)

YACReaderLibrary/no_search_results_widget.h

@@ -0,0 +1,26 @@
+#ifndef NO_SEARCH_RESULTS_WIDGET_H
+#define NO_SEARCH_RESULTS_WIDGET_H
+
+#include <QWidget>
+
+class QLabel;
+
+class NoSearchResultsWidget : public QWidget
+{
+    Q_OBJECT
+public:
+    explicit NoSearchResultsWidget(QWidget *parent = 0);
+
+signals:
+
+public slots:
+
+protected:
+    QLabel * iconLabel;
+    QLabel * titleLabel;
+    void paintEvent(QPaintEvent *);
+    QString backgroundColor;
+
+};
+
+#endif // NO_SEARCH_RESULTS_WIDGET_H