QGIS/python/gui/qgsprojectionselectionwidget.sip
Nyall Dawson 5312965e61 Rename projection selection widgets and cleanup API
The current names for QgsProjectionSelector and
QgsGenericProjectionSelector are confusing
2017-02-28 09:45:31 +10:00

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/**
* \class QgsProjectionSelectionWidget
* \ingroup gui
* \brief A widget for selecting a projection.
* \note added in QGIS 2.7
*/
class QgsProjectionSelectionWidget : QWidget
{
%TypeHeaderCode
#include <qgsprojectionselectionwidget.h>
%End
public:
/** Predefined CRS options shown in widget
*/
enum CrsOption
{
LayerCrs, /*!< optional layer CRS */
ProjectCrs, /*!< current project CRS (if OTF reprojection enabled) */
CurrentCrs, /*!< current user selected CRS */
DefaultCrs, /*!< global default QGIS CRS */
RecentCrs, //!< Recently used CRS
CrsNotSet, //!< Not set (hidden by default)
};
explicit QgsProjectionSelectionWidget( QWidget *parent /TransferThis/ = 0 );
/** Returns a pointer to the projection selector dialog used by the widget.
* Can be used to modify how the projection selector dialog behaves.
* @returns projection selector dialog
*/
QgsProjectionSelectionDialog* dialog();
/** Returns the currently selected CRS for the widget
* @returns current CRS
*/
QgsCoordinateReferenceSystem crs() const;
/** Sets whether a predefined CRS option should be shown in the widget.
* @param option CRS option to show/hide
* @param visible whether the option should be shown
* @see optionVisible()
*/
void setOptionVisible( const CrsOption option, const bool visible );
/**
* Returns whether the specified CRS option is visible in the widget.
* @note added in QGIS 3.0
* @see setOptionVisible()
*/
bool optionVisible( CrsOption option ) const;
/**
* Sets the text to show for the not set option. Note that this option is not shown
* by default and must be set visible by calling setOptionVisible().
* @note added in QGIS 3.0
*/
void setNotSetText( const QString& text );
signals:
/** Emitted when the selected CRS is changed
*/
void crsChanged( const QgsCoordinateReferenceSystem& );
/**
* Emitted when the not set option is selected.
* @note added in QGIS 3.0
*/
void cleared();
public slots:
/** Sets the current CRS for the widget
* @param crs new CRS
*/
void setCrs( const QgsCoordinateReferenceSystem& crs );
/** Sets the layer CRS for the widget. If set, this will be added as an option
* to the preset CRSes shown in the widget.
* @param crs layer CRS
*/
void setLayerCrs( const QgsCoordinateReferenceSystem& crs );
/** Opens the dialog for selecting a new CRS
*/
void selectCrs();
};