class QgsProjectionSelectionTreeWidget : QWidget
{
%TypeHeaderCode
#include <qgsprojectionselectiontreewidget.h>
%End

  public:
    QgsProjectionSelectionTreeWidget( QWidget *parent /TransferThis/ = 0 );

    ~QgsProjectionSelectionTreeWidget();

    QgsCoordinateReferenceSystem crs() const;

    void setShowNoProjection( bool show );

    bool showNoProjection() const;

    bool hasValidSelection() const;

  public slots:

    void setCrs( const QgsCoordinateReferenceSystem &crs );
    void setOgcWmsCrsFilter( const QSet<QString> &crsFilter );
    void pushProjectionToFront();

  signals:

    void crsSelected();
    void initialized();
    void projectionDoubleClicked();

  protected:
    void showEvent( QShowEvent *event );

    void resizeEvent( QResizeEvent *event );
};