File: qgsmaptoolidentify.sip.in

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/************************************************************************
 * This file has been generated automatically from                      *
 *                                                                      *
 * src/gui/maptools/qgsmaptoolidentify.h                                *
 *                                                                      *
 * Do not edit manually ! Edit header and run scripts/sipify.py again   *
 ************************************************************************/





class QgsMapToolIdentify : QgsMapTool
{
%Docstring(signature="appended")
Map tool for identifying features in layers

after selecting a point, performs the identification:

- for raster layers shows value of underlying pixel
- for vector layers shows feature attributes within search radius
  (allows editing values when vector layer is in editing mode)
%End

%TypeHeaderCode
#include "qgsmaptoolidentify.h"
%End
  public:
    enum IdentifyMode /BaseType=IntEnum/
    {
      DefaultQgsSetting,
      ActiveLayer,
      TopDownStopAtFirst,
      TopDownAll,
      LayerSelection
    };

    enum Type /BaseType=IntEnum/
    {
      VectorLayer,
      RasterLayer,
      MeshLayer,
      VectorTileLayer,
      PointCloudLayer,
      AllLayers
    };
    typedef QFlags<QgsMapToolIdentify::Type> LayerType;


    struct IdentifyResult
    {
        IdentifyResult();

        IdentifyResult( QgsMapLayer *layer, const QgsFeature &feature, const QMap<QString, QString> &derivedAttributes );
        IdentifyResult( QgsMapLayer *layer, const QString &label, const QMap<QString, QString> &attributes, const QMap<QString, QString> &derivedAttributes );
        IdentifyResult( QgsMapLayer *layer, const QString &label, const QgsFields &fields, const QgsFeature &feature, const QMap<QString, QString> &derivedAttributes );
        QgsMapLayer *mLayer;
        QString mLabel;
        QgsFields mFields;
        QgsFeature mFeature;
        QMap<QString, QString> mAttributes;
        QMap<QString, QString> mDerivedAttributes;
        QMap<QString, QVariant> mParams;
    };

    QgsMapToolIdentify( QgsMapCanvas *canvas );
%Docstring
constructor
%End

    ~QgsMapToolIdentify();

    virtual Flags flags() const;
    virtual void canvasMoveEvent( QgsMapMouseEvent *e );

    virtual void canvasPressEvent( QgsMapMouseEvent *e );

    virtual void canvasReleaseEvent( QgsMapMouseEvent *e );

    virtual void activate();

    virtual void deactivate();


    QList<QgsMapToolIdentify::IdentifyResult> identify( int x, int y, const QList<QgsMapLayer *> &layerList = QList<QgsMapLayer *>(), IdentifyMode mode = DefaultQgsSetting, const QgsIdentifyContext &identifyContext = QgsIdentifyContext() );
%Docstring
Performs the identification.

:param x: x coordinates of mouseEvent
:param y: y coordinates of mouseEvent
:param layerList: Performs the identification within the given list of
                  layers. Default value is an empty list, i.e. uses all
                  the layers.
:param mode: Identification mode. Can use QGIS default settings or a
             defined mode. Default mode is DefaultQgsSetting.
:param identifyContext: Identify context object.

:return: a list of IdentifyResult
%End

    QList<QgsMapToolIdentify::IdentifyResult> identify( int x, int y, IdentifyMode mode, LayerType layerType = AllLayers, const QgsIdentifyContext &identifyContext = QgsIdentifyContext() );
%Docstring
Performs the identification. To avoid being forced to specify
IdentifyMode with a list of layers this has been made private and two
publics methods are offered

:param x: x coordinates of mouseEvent
:param y: y coordinates of mouseEvent
:param mode: Identification mode. Can use QGIS default settings or a
             defined mode.
:param layerType: Only performs identification in a certain type of
                  layers (raster, vector, mesh). Default value is
                  AllLayers.
:param identifyContext: Identify context object.

:return: a list of IdentifyResult
%End

    QList<QgsMapToolIdentify::IdentifyResult> identify( const QgsGeometry &geometry, IdentifyMode mode, LayerType layerType, const QgsIdentifyContext &identifyContext = QgsIdentifyContext() );
%Docstring
Performs identification based on a geometry (in map coordinates)
%End
    QList<QgsMapToolIdentify::IdentifyResult> identify( const QgsGeometry &geometry, IdentifyMode mode, const QList<QgsMapLayer *> &layerList, LayerType layerType, const QgsIdentifyContext &identifyContext = QgsIdentifyContext() );
%Docstring
Performs identification based on a geometry (in map coordinates)
%End


    QgsIdentifyMenu *identifyMenu();
%Docstring
Returns a pointer to the identify menu which will be used in layer
selection mode this menu can also be customized
%End



  public slots:
    void formatChanged( QgsRasterLayer *layer );

  signals:

    void identifyProgress( int processed, int total );
%Docstring
Emitted when the identify action progresses.

:param processed: number of objects processed so far
:param total: total number of objects to process
%End

    void identifyMessage( const QString &message );
%Docstring
Emitted when the identify operation needs to show a user-facing message

:param message: Message to show to the user
%End

    void changedRasterResults( QList<QgsMapToolIdentify::IdentifyResult> &results );
%Docstring
Emitted when the format of raster ``results`` is changed and need to be
updated in user-facing displays.
%End

  protected:
    QList<QgsMapToolIdentify::IdentifyResult> identify( int x, int y, IdentifyMode mode, const QList<QgsMapLayer *> &layerList, LayerType layerType = AllLayers, const QgsIdentifyContext &identifyContext = QgsIdentifyContext() );
%Docstring
Performs the identification. To avoid being forced to specify
IdentifyMode with a list of layers this has been made private and two
publics methods are offered

:param x: x coordinates of mouseEvent
:param y: y coordinates of mouseEvent
:param mode: Identification mode. Can use QGIS default settings or a
             defined mode.
:param layerList: Performs the identification within the given list of
                  layers.
:param layerType: Only performs identification in a certain type of
                  layers (raster, vector, mesh).
:param identifyContext: Identify context object.

:return: a list of IdentifyResult
%End


    bool identifyLayer( QList<QgsMapToolIdentify::IdentifyResult> *results, QgsMapLayer *layer, const QgsPointXY &point, const QgsRectangle &viewExtent, double mapUnitsPerPixel, QgsMapToolIdentify::LayerType layerType = AllLayers, const QgsIdentifyContext &identifyContext = QgsIdentifyContext() );
%Docstring
Call the right method depending on layer type
%End

    bool identifyRasterLayer( QList<QgsMapToolIdentify::IdentifyResult> *results, QgsRasterLayer *layer, QgsPointXY point, const QgsRectangle &viewExtent, double mapUnitsPerPixel, const QgsIdentifyContext &identifyContext = QgsIdentifyContext() );
%Docstring
Performs the identification against a given raster layer.

:param results: list of identify results
:param layer: raster layer to identify from
:param point: point coordinate to identify
:param viewExtent: view extent
:param mapUnitsPerPixel: map units per pixel value
:param identifyContext: identify context object
%End

    bool identifyVectorLayer( QList<QgsMapToolIdentify::IdentifyResult> *results, QgsVectorLayer *layer, const QgsPointXY &point, const QgsIdentifyContext &identifyContext = QgsIdentifyContext() );
%Docstring
Performs the identification against a given vector layer.

:param results: list of identify results
:param layer: raster layer to identify from
:param point: point coordinate to identify
:param identifyContext: identify context object
%End

    bool identifyMeshLayer( QList<QgsMapToolIdentify::IdentifyResult> *results, QgsMeshLayer *layer, const QgsPointXY &point, const QgsIdentifyContext &identifyContext = QgsIdentifyContext() );
%Docstring
Identifies data from active scalar and vector dataset from the mesh
layer

Works only if layer was already rendered (triangular mesh is created)

.. versionadded:: 3.6
%End

    QMap<QString, QString> derivedAttributesForPoint( const QgsPoint &point );
%Docstring
Returns derived attributes map for a clicked point in map coordinates.
May be 2D or 3D point.
%End

    void setCanvasPropertiesOverrides( double searchRadiusMapUnits );
%Docstring
Overrides some map canvas properties inside the map tool for the
upcoming identify requests.

This is useful when the identification is triggered by some other piece
of GUI like a 3D map view and some properties like search radius need to
be adjusted so that identification returns correct results. Currently
only search radius may be overridden.

When the custom identification has finished,
:py:func:`~QgsMapToolIdentify.restoreCanvasPropertiesOverrides` should
be called to erase any overrides.

.. seealso:: :py:func:`restoreCanvasPropertiesOverrides`

.. versionadded:: 3.4
%End

    void restoreCanvasPropertiesOverrides();
%Docstring
Clears canvas properties overrides previously set with
:py:func:`~QgsMapToolIdentify.setCanvasPropertiesOverrides`

.. seealso:: :py:func:`setCanvasPropertiesOverrides`

.. versionadded:: 3.4
%End

};

QFlags<QgsMapToolIdentify::Type> operator|(QgsMapToolIdentify::Type f1, QFlags<QgsMapToolIdentify::Type> f2);


/************************************************************************
 * This file has been generated automatically from                      *
 *                                                                      *
 * src/gui/maptools/qgsmaptoolidentify.h                                *
 *                                                                      *
 * Do not edit manually ! Edit header and run scripts/sipify.py again   *
 ************************************************************************/