mirror of
https://github.com/qgis/QGIS.git
synced 2025-02-27 00:33:48 -05:00
arrows allow browsing the feature list in the attribute table in form view the current edited feature can be highlighted and the map canvas automatically panned or zoomed
1047 lines
25 KiB
Plaintext
1047 lines
25 KiB
Plaintext
/************************************************************************
|
|
* This file has been generated automatically from *
|
|
* *
|
|
* src/gui/qgsmapcanvas.h *
|
|
* *
|
|
* Do not edit manually ! Edit header and run scripts/sipify.pl again *
|
|
************************************************************************/
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
class QgsMapCanvas : QGraphicsView
|
|
{
|
|
%Docstring
|
|
Map canvas is a class for displaying all GIS data types on a canvas.
|
|
%End
|
|
|
|
%TypeHeaderCode
|
|
#include "qgsmapcanvas.h"
|
|
%End
|
|
%ConvertToSubClassCode
|
|
if ( qobject_cast<QgsMapCanvas *>( sipCpp ) != nullptr )
|
|
sipType = sipType_QgsMapCanvas;
|
|
else
|
|
sipType = nullptr;
|
|
%End
|
|
public:
|
|
|
|
QgsMapCanvas( QWidget *parent /TransferThis/ = 0 );
|
|
%Docstring
|
|
Constructor
|
|
%End
|
|
|
|
~QgsMapCanvas();
|
|
|
|
double magnificationFactor() const;
|
|
%Docstring
|
|
Returns the magnification factor
|
|
|
|
.. versionadded:: 2.16
|
|
%End
|
|
|
|
void setLayers( const QList<QgsMapLayer *> &layers );
|
|
%Docstring
|
|
Sets the list of ``layers`` that should be shown in the canvas.
|
|
|
|
If the map canvas has been associated with a map theme via a call
|
|
to setTheme(), then any calls to setLayers() are ignored. It is necessary
|
|
to first clear the theme association by calling setTheme() with an
|
|
empty string before setLayers() calls can be made.
|
|
|
|
.. seealso:: :py:func:`layers`
|
|
|
|
.. versionadded:: 3.0
|
|
%End
|
|
|
|
void setCurrentLayer( QgsMapLayer *layer );
|
|
|
|
const QgsMapSettings &mapSettings() const /KeepReference/;
|
|
%Docstring
|
|
Gets access to properties used for map rendering
|
|
|
|
.. versionadded:: 2.4
|
|
%End
|
|
|
|
void setDestinationCrs( const QgsCoordinateReferenceSystem &crs );
|
|
%Docstring
|
|
sets destination coordinate reference system
|
|
|
|
.. versionadded:: 2.4
|
|
%End
|
|
|
|
void setMapSettingsFlags( QgsMapSettings::Flags flags );
|
|
%Docstring
|
|
Resets the ``flags`` for the canvas' map settings.
|
|
|
|
.. versionadded:: 3.0
|
|
%End
|
|
|
|
const QgsLabelingResults *labelingResults() const;
|
|
%Docstring
|
|
Gets access to the labeling results (may be ``None``)
|
|
|
|
.. versionadded:: 2.4
|
|
%End
|
|
|
|
void setCachingEnabled( bool enabled );
|
|
%Docstring
|
|
Set whether to cache images of rendered layers
|
|
|
|
.. versionadded:: 2.4
|
|
%End
|
|
|
|
bool isCachingEnabled() const;
|
|
%Docstring
|
|
Check whether images of rendered layers are curerently being cached
|
|
|
|
.. versionadded:: 2.4
|
|
%End
|
|
|
|
void clearCache();
|
|
%Docstring
|
|
Make sure to remove any rendered images from cache (does nothing if cache is not enabled)
|
|
|
|
.. versionadded:: 2.4
|
|
%End
|
|
|
|
void waitWhileRendering();
|
|
%Docstring
|
|
Blocks until the rendering job has finished.
|
|
|
|
In almost all cases you do NOT want to call this, as it will hang the UI
|
|
until the rendering job is complete. It's included in API solely for
|
|
unit testing and standalone Python scripts.
|
|
|
|
.. versionadded:: 3.0
|
|
%End
|
|
|
|
void setParallelRenderingEnabled( bool enabled );
|
|
%Docstring
|
|
Set whether the layers are rendered in parallel or sequentially
|
|
|
|
.. versionadded:: 2.4
|
|
%End
|
|
|
|
bool isParallelRenderingEnabled() const;
|
|
%Docstring
|
|
Check whether the layers are rendered in parallel or sequentially
|
|
|
|
.. versionadded:: 2.4
|
|
%End
|
|
|
|
void setMapUpdateInterval( int timeMilliseconds );
|
|
%Docstring
|
|
Set how often map preview should be updated while it is being rendered (in milliseconds)
|
|
|
|
.. versionadded:: 2.4
|
|
%End
|
|
|
|
int mapUpdateInterval() const;
|
|
%Docstring
|
|
Find out how often map preview should be updated while it is being rendered (in milliseconds)
|
|
|
|
.. versionadded:: 2.4
|
|
%End
|
|
|
|
double scale() const;
|
|
%Docstring
|
|
Returns the last reported scale of the canvas.
|
|
The ``scale`` value indicates the scale denominator, e.g. 1000.0 for a 1:1000 map.
|
|
%End
|
|
|
|
double mapUnitsPerPixel() const;
|
|
%Docstring
|
|
Returns the mapUnitsPerPixel (map units per pixel) for the canvas
|
|
%End
|
|
|
|
QgsRectangle extent() const;
|
|
%Docstring
|
|
Returns the current zoom extent of the map canvas
|
|
%End
|
|
QgsRectangle fullExtent() const;
|
|
%Docstring
|
|
Returns the combined extent for all layers on the map canvas
|
|
%End
|
|
|
|
void setExtent( const QgsRectangle &r, bool magnified = false );
|
|
%Docstring
|
|
Sets the extent of the map canvas
|
|
%End
|
|
|
|
double rotation() const;
|
|
%Docstring
|
|
Gets the current map canvas rotation in clockwise degrees
|
|
|
|
.. versionadded:: 2.8
|
|
%End
|
|
|
|
void setRotation( double degrees );
|
|
%Docstring
|
|
Set the rotation of the map canvas in clockwise degrees
|
|
|
|
.. versionadded:: 2.8
|
|
%End
|
|
|
|
void setCenter( const QgsPointXY ¢er );
|
|
%Docstring
|
|
Set the center of the map canvas, in geographical coordinates
|
|
|
|
.. versionadded:: 2.8
|
|
%End
|
|
|
|
QgsPointXY center() const;
|
|
%Docstring
|
|
Gets map center, in geographical coordinates
|
|
|
|
.. versionadded:: 2.8
|
|
%End
|
|
|
|
void zoomToFullExtent();
|
|
%Docstring
|
|
Zoom to the full extent of all layers
|
|
%End
|
|
|
|
void zoomToPreviousExtent();
|
|
%Docstring
|
|
Zoom to the previous extent (view)
|
|
%End
|
|
|
|
void zoomToNextExtent();
|
|
%Docstring
|
|
Zoom to the next extent (view)
|
|
%End
|
|
|
|
void clearExtentHistory();
|
|
|
|
|
|
void zoomToFeatureIds( QgsVectorLayer *layer, const QgsFeatureIds &ids );
|
|
%Docstring
|
|
Set canvas extent to the bounding box of a set of features
|
|
|
|
:param layer: the vector layer
|
|
:param ids: the feature ids*
|
|
%End
|
|
|
|
void panToFeatureIds( QgsVectorLayer *layer, const QgsFeatureIds &ids, bool alwaysRecenter = true );
|
|
%Docstring
|
|
Centers canvas extent to feature ids
|
|
|
|
:param layer: the vector layer
|
|
:param ids: the feature ids
|
|
:param alwaysRecenter: if false, the canvas is recentered only if the bounding box is not contained within the current extent
|
|
%End
|
|
|
|
void panToSelected( QgsVectorLayer *layer = 0 );
|
|
%Docstring
|
|
Pan to the selected features of current (vector) layer keeping same extent.
|
|
%End
|
|
|
|
void flashFeatureIds( QgsVectorLayer *layer, const QgsFeatureIds &ids,
|
|
const QColor &startColor = QColor( 255, 0, 0, 255 ), const QColor &endColor = QColor( 255, 0, 0, 0 ),
|
|
int flashes = 3, int duration = 500 );
|
|
%Docstring
|
|
Causes a set of features with matching ``ids`` from a vector ``layer`` to flash
|
|
within the canvas.
|
|
|
|
The ``startColor`` and ``endColor`` can be specified, along with the number of
|
|
``flashes`` and ``duration`` of each flash (in milliseconds).
|
|
|
|
.. note::
|
|
|
|
If the features or geometries are already available, flashGeometries() is much more efficient.
|
|
|
|
.. seealso:: :py:func:`flashGeometries`
|
|
|
|
.. versionadded:: 3.0
|
|
%End
|
|
|
|
void flashGeometries( const QList< QgsGeometry > &geometries, const QgsCoordinateReferenceSystem &crs = QgsCoordinateReferenceSystem(),
|
|
const QColor &startColor = QColor( 255, 0, 0, 255 ), const QColor &endColor = QColor( 255, 0, 0, 0 ),
|
|
int flashes = 3, int duration = 500 );
|
|
%Docstring
|
|
Causes a set of ``geometries`` to flash within the canvas.
|
|
|
|
If ``crs`` is a valid coordinate reference system, the geometries will be automatically
|
|
transformed from this CRS to the canvas CRS.
|
|
|
|
The ``startColor`` and ``endColor`` can be specified, along with the number of
|
|
``flashes`` and ``duration`` of each flash (in milliseconds).
|
|
|
|
.. seealso:: :py:func:`flashFeatureIds`
|
|
|
|
.. versionadded:: 3.0
|
|
%End
|
|
|
|
void setMapTool( QgsMapTool *mapTool, bool clean = false );
|
|
%Docstring
|
|
Sets the map tool currently being used on the canvas
|
|
%End
|
|
|
|
void unsetMapTool( QgsMapTool *mapTool );
|
|
%Docstring
|
|
Unset the current map tool or last non zoom tool
|
|
|
|
This is called from destructor of map tools to make sure
|
|
that this map tool won't be used any more.
|
|
You don't have to call it manually, QgsMapTool takes care of it.
|
|
%End
|
|
|
|
QgsMapTool *mapTool();
|
|
%Docstring
|
|
Returns the currently active tool
|
|
%End
|
|
|
|
void setCanvasColor( const QColor &_newVal );
|
|
%Docstring
|
|
Write property of QColor bgColor.
|
|
%End
|
|
QColor canvasColor() const;
|
|
%Docstring
|
|
Read property of QColor bgColor.
|
|
%End
|
|
|
|
void setSelectionColor( const QColor &color );
|
|
%Docstring
|
|
Set color of selected vector features
|
|
|
|
.. versionadded:: 2.4
|
|
%End
|
|
|
|
QColor selectionColor() const;
|
|
%Docstring
|
|
Returns color for selected features
|
|
|
|
.. versionadded:: 3.0
|
|
%End
|
|
|
|
void updateScale();
|
|
%Docstring
|
|
Emits signal scaleChanged to update scale in main window
|
|
%End
|
|
|
|
QgsMapLayer *layer( int index );
|
|
%Docstring
|
|
Returns the map layer at position index in the layer stack
|
|
%End
|
|
|
|
int layerCount() const;
|
|
%Docstring
|
|
Returns number of layers on the map
|
|
%End
|
|
|
|
QList<QgsMapLayer *> layers() const;
|
|
%Docstring
|
|
Returns the list of layers shown within the map canvas.
|
|
|
|
.. seealso:: :py:func:`setLayers`
|
|
%End
|
|
|
|
void freeze( bool frozen = true );
|
|
%Docstring
|
|
Freeze/thaw the map canvas. This is used to prevent the canvas from
|
|
responding to events while layers are being added/removed etc.
|
|
|
|
:param frozen: Boolean specifying if the canvas should be frozen (``True``) or
|
|
thawed (``False``). Default is ``True``.
|
|
|
|
.. seealso:: :py:func:`isFrozen`
|
|
|
|
.. seealso:: :py:func:`setRenderFlag`
|
|
while setRenderFlag() should only be used when users disable rendering via GUI.
|
|
%End
|
|
|
|
bool isFrozen() const;
|
|
%Docstring
|
|
Returns ``True`` if canvas is frozen.
|
|
|
|
.. seealso:: :py:func:`renderFlag`
|
|
have been halted programmatically, while renderFlag() should be used to
|
|
determine whether a user has disabled rendering via GUI.
|
|
|
|
.. seealso:: :py:func:`freeze`
|
|
%End
|
|
|
|
bool renderFlag() const;
|
|
%Docstring
|
|
Returns ``True`` if canvas render is disabled as a result of user disabling
|
|
renders via the GUI.
|
|
|
|
.. seealso:: :py:func:`setRenderFlag`
|
|
|
|
.. seealso:: :py:func:`isFrozen`
|
|
have been halted programmatically, while renderFlag() should be used to
|
|
determine whether a user has disabled rendering via GUI.
|
|
%End
|
|
|
|
QgsUnitTypes::DistanceUnit mapUnits() const;
|
|
%Docstring
|
|
Convenience function for returning the current canvas map units. The map units
|
|
are dictated by the canvas' destinationCrs() map units.
|
|
%End
|
|
|
|
QMap<QString, QString> layerStyleOverrides() const;
|
|
%Docstring
|
|
Returns the stored overrides of styles for layers.
|
|
|
|
.. seealso:: :py:func:`setLayerStyleOverrides`
|
|
|
|
.. versionadded:: 2.12
|
|
%End
|
|
|
|
void setLayerStyleOverrides( const QMap<QString, QString> &overrides );
|
|
%Docstring
|
|
Sets the stored overrides of styles for rendering layers.
|
|
|
|
If the map canvas has been associated with a map theme via a call
|
|
to setTheme(), then any calls to setLayerStyleOverrides() are ignored. It is necessary
|
|
to first clear the theme association by calling setTheme() with an
|
|
empty string before setLayerStyleOverrides() calls can be made.
|
|
|
|
.. seealso:: :py:func:`layerStyleOverrides`
|
|
|
|
.. versionadded:: 2.12
|
|
%End
|
|
|
|
void setTheme( const QString &theme );
|
|
%Docstring
|
|
Sets a map ``theme`` to show in the canvas. The theme name must match
|
|
a theme present in the associated project's :py:class:`QgsMapThemeCollection`.
|
|
|
|
When the canvas is associated to a map theme, it will automatically follow
|
|
the layer selection and layer styles from that theme. Calls to setLayers()
|
|
or setLayerStyleOverrides() will have no effect, and canvases associated
|
|
with a QgsLayerTreeMapCanvasBridge will no longer synchronize their
|
|
state with the layer tree. In these cases it is necessary to call
|
|
setTheme() with an empty string to clear the theme association and
|
|
allow map updates with setLayers(), setLayerStyleOverrides(), or via
|
|
:py:class:`QgsLayerTreeMapCanvasBridge`.
|
|
|
|
If an empty string is passed then the current theme association will be
|
|
cleared.
|
|
|
|
.. seealso:: :py:func:`theme`
|
|
|
|
.. versionadded:: 3.0
|
|
%End
|
|
|
|
QString theme() const;
|
|
%Docstring
|
|
Returns the map's theme shown in the canvas, if set.
|
|
|
|
.. seealso:: :py:func:`setTheme`
|
|
|
|
.. versionadded:: 3.0
|
|
%End
|
|
|
|
const QgsMapToPixel *getCoordinateTransform();
|
|
%Docstring
|
|
Gets the current coordinate transform
|
|
%End
|
|
|
|
bool isDrawing();
|
|
%Docstring
|
|
Find out whether rendering is in progress
|
|
%End
|
|
|
|
QgsMapLayer *currentLayer();
|
|
%Docstring
|
|
returns current layer (set by legend widget)
|
|
%End
|
|
|
|
void setWheelFactor( double factor );
|
|
%Docstring
|
|
Sets wheel zoom factor (should be greater than 1)
|
|
%End
|
|
|
|
void zoomScale( double scale );
|
|
%Docstring
|
|
Zooms the canvas to a specific ``scale``.
|
|
The scale value indicates the scale denominator, e.g. 1000.0 for a 1:1000 map.
|
|
%End
|
|
|
|
void zoomByFactor( double scaleFactor, const QgsPointXY *center = 0 );
|
|
%Docstring
|
|
Zoom with the factor supplied. Factor > 1 zooms out, interval (0,1) zooms in
|
|
If point is given, re-center on it
|
|
%End
|
|
|
|
void zoomWithCenter( int x, int y, bool zoomIn );
|
|
%Docstring
|
|
Zooms in/out with a given center
|
|
%End
|
|
|
|
void zoomToFeatureExtent( QgsRectangle &rect );
|
|
%Docstring
|
|
Zooms to feature extent. Adds a small margin around the extent
|
|
and does a pan if rect is empty (point extent)
|
|
%End
|
|
|
|
bool scaleLocked() const;
|
|
%Docstring
|
|
Returns whether the scale is locked, so zooming can be performed using magnication.
|
|
|
|
.. seealso:: :py:func:`setScaleLocked`
|
|
|
|
.. versionadded:: 2.16
|
|
%End
|
|
|
|
void enableAntiAliasing( bool flag );
|
|
%Docstring
|
|
used to determine if anti-aliasing is enabled or not
|
|
%End
|
|
|
|
bool antiAliasingEnabled() const;
|
|
%Docstring
|
|
``True`` if antialising is enabled
|
|
%End
|
|
|
|
void enableMapTileRendering( bool flag );
|
|
%Docstring
|
|
sets map tile rendering flag
|
|
%End
|
|
|
|
void panActionEnd( QPoint releasePoint );
|
|
%Docstring
|
|
Ends pan action and redraws the canvas.
|
|
%End
|
|
|
|
void panAction( QMouseEvent *event );
|
|
%Docstring
|
|
Called when mouse is moving and pan is activated
|
|
%End
|
|
|
|
QPoint mouseLastXY();
|
|
%Docstring
|
|
returns last position of mouse cursor
|
|
%End
|
|
|
|
void setPreviewModeEnabled( bool previewEnabled );
|
|
%Docstring
|
|
Enables a preview mode for the map canvas
|
|
|
|
:param previewEnabled: set to ``True`` to enable a preview mode
|
|
|
|
.. seealso:: :py:func:`setPreviewMode`
|
|
|
|
.. versionadded:: 2.3
|
|
%End
|
|
|
|
bool previewModeEnabled() const;
|
|
%Docstring
|
|
Returns whether a preview mode is enabled for the map canvas
|
|
|
|
:return: ``True`` if a preview mode is currently enabled
|
|
|
|
.. seealso:: :py:func:`setPreviewModeEnabled`
|
|
|
|
.. seealso:: :py:func:`previewMode`
|
|
|
|
.. versionadded:: 2.3
|
|
%End
|
|
|
|
void setPreviewMode( QgsPreviewEffect::PreviewMode mode );
|
|
%Docstring
|
|
Sets a preview mode for the map canvas. This setting only has an effect if
|
|
previewModeEnabled is ``True``.
|
|
|
|
:param mode: preview mode for the canvas
|
|
|
|
.. seealso:: :py:func:`previewMode`
|
|
|
|
.. seealso:: :py:func:`setPreviewModeEnabled`
|
|
|
|
.. seealso:: :py:func:`previewModeEnabled`
|
|
|
|
.. versionadded:: 2.3
|
|
%End
|
|
|
|
QgsPreviewEffect::PreviewMode previewMode() const;
|
|
%Docstring
|
|
Returns the current preview mode for the map canvas. This setting only has an effect if
|
|
previewModeEnabled is ``True``.
|
|
|
|
:return: preview mode for map canvas
|
|
|
|
.. seealso:: :py:func:`setPreviewMode`
|
|
|
|
.. seealso:: :py:func:`previewModeEnabled`
|
|
|
|
.. versionadded:: 2.3
|
|
%End
|
|
|
|
QgsSnappingUtils *snappingUtils() const;
|
|
%Docstring
|
|
Returns snapping utility class that is associated with map canvas.
|
|
If no snapping utils instance has been associated previously, an internal will be created for convenience
|
|
(so map tools do not need to test for existence of the instance).
|
|
|
|
Main canvas in QGIS returns an instance which is always up-to-date with the project's snapping configuration.
|
|
|
|
.. versionadded:: 2.8
|
|
%End
|
|
|
|
void setSnappingUtils( QgsSnappingUtils *utils );
|
|
%Docstring
|
|
Assign an instance of snapping utils to the map canvas.
|
|
The instance is not owned by the canvas, so it is possible to use one instance in multiple canvases.
|
|
|
|
For main canvas in QGIS, do not associate a different instance from the existing one (it is updated from
|
|
the project's snapping configuration).
|
|
|
|
.. versionadded:: 2.8
|
|
%End
|
|
|
|
void setExpressionContextScope( const QgsExpressionContextScope &scope );
|
|
%Docstring
|
|
Sets an expression context scope for the map canvas. This scope is injected into the expression
|
|
context used for rendering the map, and can be used to apply specific variable overrides for
|
|
expression evaluation for the map canvas render. This method will overwrite the existing expression
|
|
context scope for the canvas.
|
|
|
|
:param scope: new expression context scope
|
|
|
|
.. seealso:: :py:func:`expressionContextScope`
|
|
|
|
.. seealso:: :py:func:`defaultExpressionContextScope`
|
|
|
|
.. versionadded:: 2.12
|
|
%End
|
|
|
|
QgsExpressionContextScope &expressionContextScope();
|
|
%Docstring
|
|
Returns a reference to the expression context scope for the map canvas. This scope is injected
|
|
into the expression context used for rendering the map, and can be used to apply specific variable
|
|
overrides for expression evaluation for the map canvas render.
|
|
|
|
.. seealso:: :py:func:`setExpressionContextScope`
|
|
|
|
.. seealso:: :py:func:`defaultExpressionContextScope`
|
|
|
|
.. versionadded:: 2.12
|
|
%End
|
|
|
|
|
|
QgsExpressionContextScope *defaultExpressionContextScope() /Factory/;
|
|
%Docstring
|
|
Creates a new scope which contains default variables and functions relating to the map canvas.
|
|
|
|
.. seealso:: :py:func:`expressionContextScope`
|
|
|
|
.. seealso:: :py:func:`setExpressionContextScope`
|
|
|
|
.. versionadded:: 3.4
|
|
%End
|
|
|
|
void setSegmentationTolerance( double tolerance );
|
|
%Docstring
|
|
Sets the segmentation tolerance applied when rendering curved geometries
|
|
|
|
:param tolerance: the segmentation tolerance*
|
|
%End
|
|
|
|
void setSegmentationToleranceType( QgsAbstractGeometry::SegmentationToleranceType type );
|
|
%Docstring
|
|
Sets segmentation tolerance type (maximum angle or maximum difference between curve and approximation)
|
|
|
|
:param type: the segmentation tolerance typename*
|
|
%End
|
|
|
|
QList< QgsMapCanvasAnnotationItem *> annotationItems() const;
|
|
%Docstring
|
|
Returns a list of all annotation items in the canvas.
|
|
|
|
.. versionadded:: 3.0
|
|
%End
|
|
|
|
bool annotationsVisible() const;
|
|
%Docstring
|
|
Returns ``True`` if annotations are visible within the map canvas.
|
|
|
|
.. seealso:: :py:func:`setAnnotationsVisible`
|
|
|
|
.. versionadded:: 3.0
|
|
%End
|
|
|
|
void setAnnotationsVisible( bool visible );
|
|
%Docstring
|
|
Sets whether annotations are ``visible`` in the canvas.
|
|
|
|
.. seealso:: :py:func:`annotationsVisible`
|
|
|
|
.. versionadded:: 3.0
|
|
%End
|
|
|
|
void setLabelingEngineSettings( const QgsLabelingEngineSettings &settings );
|
|
%Docstring
|
|
Sets global labeling engine settings in the internal map settings
|
|
|
|
.. versionadded:: 3.0
|
|
%End
|
|
|
|
const QgsLabelingEngineSettings &labelingEngineSettings() const;
|
|
%Docstring
|
|
Returns global labeling engine settings from the internal map settings
|
|
|
|
.. versionadded:: 3.0
|
|
%End
|
|
|
|
bool previewJobsEnabled() const;
|
|
%Docstring
|
|
Returns ``True`` if canvas map preview jobs (low priority render jobs which render portions
|
|
of the view just outside of the canvas extent, to allow preview of these
|
|
out-of-canvas areas when panning or zooming out the map) are enabled
|
|
for the canvas.
|
|
|
|
.. seealso:: :py:func:`setPreviewJobsEnabled`
|
|
|
|
.. versionadded:: 3.0
|
|
%End
|
|
|
|
void setPreviewJobsEnabled( bool enabled );
|
|
%Docstring
|
|
Sets whether canvas map preview jobs (low priority render jobs which render portions
|
|
of the view just outside of the canvas extent, to allow preview of these
|
|
out-of-canvas areas when panning or zooming out the map) are ``enabled``
|
|
for the canvas.
|
|
|
|
.. seealso:: :py:func:`previewJobsEnabled`
|
|
|
|
.. versionadded:: 3.0
|
|
%End
|
|
|
|
public slots:
|
|
|
|
void refresh();
|
|
%Docstring
|
|
Repaints the canvas map
|
|
%End
|
|
|
|
void refreshAllLayers();
|
|
%Docstring
|
|
Reload all layers, clear the cache and refresh the canvas
|
|
|
|
.. versionadded:: 2.9
|
|
%End
|
|
|
|
void selectionChangedSlot();
|
|
%Docstring
|
|
Receives signal about selection change, and pass it on with layer info
|
|
%End
|
|
|
|
void saveAsImage( const QString &fileName, QPixmap *QPixmap = 0, const QString & = "PNG" );
|
|
%Docstring
|
|
Save the contents of the map canvas to disk as an image
|
|
%End
|
|
|
|
void layerStateChange();
|
|
%Docstring
|
|
This slot is connected to the visibility change of one or more layers
|
|
%End
|
|
|
|
void setRenderFlag( bool flag );
|
|
%Docstring
|
|
Sets whether a user has disabled canvas renders via the GUI.
|
|
|
|
:param flag: set to ``False`` to indicate that user has disabled renders
|
|
|
|
.. seealso:: :py:func:`renderFlag`
|
|
|
|
.. seealso:: :py:func:`freeze`
|
|
while setRenderFlag() should only be used when users disable rendering via GUI.
|
|
%End
|
|
|
|
void stopRendering();
|
|
%Docstring
|
|
stop rendering (if there is any right now)
|
|
|
|
.. versionadded:: 2.4
|
|
%End
|
|
|
|
void readProject( const QDomDocument & );
|
|
%Docstring
|
|
called to read map canvas settings from project
|
|
%End
|
|
|
|
void writeProject( QDomDocument & );
|
|
%Docstring
|
|
called to write map canvas settings to project
|
|
%End
|
|
|
|
void setMagnificationFactor( double factor );
|
|
%Docstring
|
|
Sets the factor of magnification to apply to the map canvas. Indeed, we
|
|
increase/decrease the DPI of the map settings according to this factor
|
|
in order to render marker point, labels, ... bigger.
|
|
|
|
.. versionadded:: 2.16
|
|
%End
|
|
|
|
void setScaleLocked( bool isLocked );
|
|
%Docstring
|
|
Lock the scale, so zooming can be performed using magnication
|
|
|
|
.. seealso:: :py:func:`scaleLocked`
|
|
|
|
.. versionadded:: 2.16
|
|
%End
|
|
|
|
void zoomIn();
|
|
%Docstring
|
|
Zoom in with fixed factor
|
|
%End
|
|
|
|
void zoomOut();
|
|
%Docstring
|
|
Zoom out with fixed factor
|
|
%End
|
|
|
|
void zoomToSelected( QgsVectorLayer *layer = 0 );
|
|
%Docstring
|
|
Zoom to the extent of the selected features of provided (vector) layer.
|
|
|
|
:param layer: optionally specify different than current layer
|
|
%End
|
|
|
|
signals:
|
|
|
|
void xyCoordinates( const QgsPointXY &p );
|
|
%Docstring
|
|
Emits current mouse position
|
|
|
|
.. note::
|
|
|
|
changed in 1.3 *
|
|
%End
|
|
|
|
void scaleChanged( double );
|
|
%Docstring
|
|
Emitted when the scale of the map changes
|
|
%End
|
|
|
|
void extentsChanged();
|
|
%Docstring
|
|
Emitted when the extents of the map change
|
|
%End
|
|
|
|
void rotationChanged( double );
|
|
%Docstring
|
|
Emitted when the rotation of the map changes
|
|
|
|
.. versionadded:: 2.8
|
|
%End
|
|
|
|
void magnificationChanged( double );
|
|
%Docstring
|
|
Emitted when the scale of the map changes
|
|
|
|
.. versionadded:: 2.16
|
|
%End
|
|
|
|
void canvasColorChanged();
|
|
%Docstring
|
|
Emitted when canvas background color changes
|
|
|
|
.. versionadded:: 3.0
|
|
%End
|
|
|
|
|
|
void renderComplete( QPainter * );
|
|
%Docstring
|
|
TODO: deprecate when decorations are reimplemented as map canvas items
|
|
- anything related to rendering progress is not visible outside of map canvas
|
|
- additional drawing shall be done directly within the renderer job or independently as a map canvas item
|
|
%End
|
|
|
|
void mapCanvasRefreshed();
|
|
%Docstring
|
|
Emitted when canvas finished a refresh request.
|
|
%End
|
|
|
|
void renderStarting();
|
|
%Docstring
|
|
Emitted when the canvas is about to be rendered.
|
|
%End
|
|
|
|
void layersChanged();
|
|
%Docstring
|
|
Emitted when a new set of layers has been received
|
|
%End
|
|
|
|
void keyPressed( QKeyEvent *e );
|
|
%Docstring
|
|
Emit key press event
|
|
%End
|
|
|
|
void keyReleased( QKeyEvent *e );
|
|
%Docstring
|
|
Emit key release event
|
|
%End
|
|
|
|
void mapToolSet( QgsMapTool *newTool, QgsMapTool *oldTool );
|
|
%Docstring
|
|
Emit map tool changed with the old tool
|
|
|
|
.. versionadded:: 2.3
|
|
%End
|
|
|
|
|
|
void selectionChanged( QgsVectorLayer *layer );
|
|
%Docstring
|
|
Emitted when selection in any layer gets changed
|
|
%End
|
|
|
|
void zoomLastStatusChanged( bool );
|
|
%Docstring
|
|
Emitted when zoom last status changed
|
|
%End
|
|
|
|
void zoomNextStatusChanged( bool );
|
|
%Docstring
|
|
Emitted when zoom next status changed
|
|
%End
|
|
|
|
void destinationCrsChanged();
|
|
%Docstring
|
|
Emitted when map CRS has changed
|
|
|
|
.. versionadded:: 2.4
|
|
%End
|
|
|
|
void transformContextChanged();
|
|
%Docstring
|
|
Emitted when the canvas transform context is changed.
|
|
|
|
.. versionadded:: 3.0
|
|
%End
|
|
|
|
void currentLayerChanged( QgsMapLayer *layer );
|
|
%Docstring
|
|
Emitted when the current layer is changed
|
|
|
|
.. versionadded:: 2.8
|
|
%End
|
|
|
|
void layerStyleOverridesChanged();
|
|
%Docstring
|
|
Emitted when the configuration of overridden layer styles changes
|
|
|
|
.. versionadded:: 2.12
|
|
%End
|
|
|
|
void themeChanged( const QString &theme );
|
|
%Docstring
|
|
Emitted when the canvas has been assigned a different map theme.
|
|
|
|
.. seealso:: :py:func:`setTheme`
|
|
|
|
.. versionadded:: 3.0
|
|
%End
|
|
|
|
void messageEmitted( const QString &title, const QString &message, Qgis::MessageLevel = Qgis::Info );
|
|
%Docstring
|
|
emit a message (usually to be displayed in a message bar)
|
|
%End
|
|
|
|
protected:
|
|
|
|
virtual bool event( QEvent *e );
|
|
|
|
%Docstring
|
|
Overridden standard event to be gestures aware
|
|
%End
|
|
|
|
virtual void keyPressEvent( QKeyEvent *e );
|
|
|
|
%Docstring
|
|
Overridden key press event
|
|
%End
|
|
|
|
virtual void keyReleaseEvent( QKeyEvent *e );
|
|
|
|
%Docstring
|
|
Overridden key release event
|
|
%End
|
|
|
|
virtual void mouseDoubleClickEvent( QMouseEvent *e );
|
|
|
|
%Docstring
|
|
Overridden mouse double-click event
|
|
%End
|
|
|
|
virtual void mouseMoveEvent( QMouseEvent *e );
|
|
|
|
%Docstring
|
|
Overridden mouse move event
|
|
%End
|
|
|
|
virtual void mousePressEvent( QMouseEvent *e );
|
|
|
|
%Docstring
|
|
Overridden mouse press event
|
|
%End
|
|
|
|
virtual void mouseReleaseEvent( QMouseEvent *e );
|
|
|
|
%Docstring
|
|
Overridden mouse release event
|
|
%End
|
|
|
|
virtual void wheelEvent( QWheelEvent *e );
|
|
|
|
%Docstring
|
|
Overridden mouse wheel event
|
|
%End
|
|
|
|
virtual void resizeEvent( QResizeEvent *e );
|
|
|
|
%Docstring
|
|
Overridden resize event
|
|
%End
|
|
|
|
virtual void paintEvent( QPaintEvent *e );
|
|
|
|
%Docstring
|
|
Overridden paint event
|
|
%End
|
|
|
|
virtual void dragEnterEvent( QDragEnterEvent *e );
|
|
|
|
%Docstring
|
|
Overridden drag enter event
|
|
%End
|
|
|
|
void moveCanvasContents( bool reset = false );
|
|
%Docstring
|
|
called when panning is in action, reset indicates end of panning
|
|
%End
|
|
|
|
|
|
|
|
|
|
protected slots:
|
|
void updateCanvasItemPositions();
|
|
%Docstring
|
|
called on resize or changed extent to notify canvas items to change their rectangle
|
|
%End
|
|
|
|
}; // class QgsMapCanvas
|
|
|
|
|
|
/************************************************************************
|
|
* This file has been generated automatically from *
|
|
* *
|
|
* src/gui/qgsmapcanvas.h *
|
|
* *
|
|
* Do not edit manually ! Edit header and run scripts/sipify.pl again *
|
|
************************************************************************/
|