NOISSUE select modpack field content on focus in new instance dialog

application/widgets/FocusLineEdit.h

@@ -0,0 +1,17 @@
+#include <QLineEdit>
+
+class FocusLineEdit : public QLineEdit
+{
+	Q_OBJECT
+public:
+	FocusLineEdit(QWidget *parent);
+	virtual ~FocusLineEdit()
+	{
+	}
+
+protected:
+	void focusInEvent(QFocusEvent *e);
+	void mousePressEvent(QMouseEvent *me);
+
+	bool _selectOnMousePress;
+};