Fix problems with missing safety checks in Render::fillBuffer and pdfcomic

custom_widgets/yacreader_library_item_widget.h

@@ -0,0 +1,45 @@
+#ifndef YACREADER_LIBRARY_ITEM_WIDGET_H
+#define YACREADER_LIBRARY_ITEM_WIDGET_H
+
+#include <QWidget>
+
+class QLabel;
+class QToolButton;
+class QMouseEvent;
+class QEvent;
+
+class YACReaderLibraryItemWidget : public QWidget
+{
+	Q_OBJECT
+
+public:
+	YACReaderLibraryItemWidget(QString name, QString path, QWidget *parent = 0);
+	QString name;
+	QString path;
+
+signals:
+	void selected(QString,QString);
+	void showOptions();
+	
+public slots:
+	void showUpDownButtons(bool show);
+	
+	//bool eventFilter(QObject *object, QEvent *event);
+	void select();
+	void deselect();
+	void setName(const QString & name);
+
+private:
+
+	QLabel * icon;
+	QLabel * nameLabel;
+
+	QToolButton * options;
+	QToolButton * up;
+	QToolButton * down;
+
+	bool isSelected;
+
+};
+
+#endif // YACREADER_LIBRARY_ITEM_WIDGET_H