mirror of
https://github.com/qgis/QGIS.git
synced 2025-11-04 00:04:25 -05:00
69 lines
1.9 KiB
Plaintext
69 lines
1.9 KiB
Plaintext
/**
|
|
* \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 */
|
|
};
|
|
|
|
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
|
|
*/
|
|
QgsGenericProjectionSelector* 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
|
|
*/
|
|
void setOptionVisible( const CrsOption option, const bool visible );
|
|
|
|
signals:
|
|
|
|
/** Emitted when the selected CRS is changed
|
|
*/
|
|
void crsChanged( const QgsCoordinateReferenceSystem& );
|
|
|
|
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();
|
|
|
|
};
|