The QgsMapToolIdentifyFeature class is a map tool to identify a feature on a chosen layer. More...
#include <qgsmaptoolidentifyfeature.h>
Inheritance diagram for QgsMapToolIdentifyFeature:
Signals | |
| void | featureIdentified (const QgsFeature &) |
| void | featureIdentified (QgsFeatureId) |
 Signals inherited from QgsMapToolIdentify | |
| void | changedRasterResults (QList< IdentifyResult > &) |
| void | identifyMessage (const QString &) |
| void | identifyProgress (int, int) |
| Signals inherited from QgsMapTool | |
| void | activated () |
| signal emitted once the map tool is activated More... | |
| void | deactivated () |
| signal emitted once the map tool is deactivated More... | |
| void | messageDiscarded () |
| emit signal to clear previous message More... | |
| void | messageEmitted (const QString &message, QgsMessageBar::MessageLevel=QgsMessageBar::INFO) |
| emit a message More... | |
Public Member Functions | |
| QgsMapToolIdentifyFeature (QgsMapCanvas *canvas, QgsVectorLayer *vl=nullptr) | |
| QgsMapToolIdentifyFeature is a map tool to identify a feature on a chosen layer. More... | |
| ~QgsMapToolIdentifyFeature () | |
| virtual void | canvasReleaseEvent (QgsMapMouseEvent *e) override |
| Overridden mouse release event. More... | |
| void | setLayer (QgsVectorLayer *vl) |
| change the layer used by the map tool to identify More... | |
| Public Member Functions inherited from QgsMapToolIdentify | |
| QgsMapToolIdentify (QgsMapCanvas *canvas) | |
| constructor More... | |
| virtual | ~QgsMapToolIdentify () |
| virtual void | activate () override |
| called when set as currently active map tool More... | |
| virtual void | canvasMoveEvent (QgsMapMouseEvent *e) override |
| Overridden mouse move event. More... | |
| virtual void | canvasPressEvent (QgsMapMouseEvent *e) override |
| Overridden mouse press event. More... | |
| virtual void | deactivate () override |
| called when map tool is being deactivated More... | |
| virtual Flags | flags () const override |
| Returns the flags for the map tool. More... | |
| QList< IdentifyResult > | identify (int x, int y, const QList< QgsMapLayer *> &layerList=QList< QgsMapLayer *>(), IdentifyMode mode=DefaultQgsSetting) |
| Performs the identification. More... | |
| QList< IdentifyResult > | identify (int x, int y, IdentifyMode mode, const LayerType &layerType=AllLayers) |
| Performs the identification. More... | |
| QgsIdentifyMenu * | identifyMenu () |
| return a pointer to the identify menu which will be used in layer selection mode this menu can also be customized More... | |
| Public Member Functions inherited from QgsMapTool | |
| virtual | ~QgsMapTool () |
| virtual destructor More... | |
| QAction * | action () |
| Return associated action with map tool or NULL if no action is associated. More... | |
| QAbstractButton * | button () |
| Return associated button with map tool or NULL if no button is associated. More... | |
| QgsMapCanvas * | canvas () |
| returns pointer to the tool's map canvas More... | |
| virtual void | canvasDoubleClickEvent (QgsMapMouseEvent *e) |
| Mouse double click event for overriding. Default implementation does nothing. More... | |
| virtual Q_DECL_DEPRECATED bool | isEditTool () const |
| Check whether this MapTool performs an edit operation. More... | |
| virtual Q_DECL_DEPRECATED bool | isTransient () const |
| Check whether this MapTool performs a zoom or pan operation. More... | |
| virtual void | keyReleaseEvent (QKeyEvent *e) |
| Key event for overriding. Default implementation does nothing. More... | |
| virtual Q_DECL_DEPRECATED void | renderComplete () |
| Called when rendering has finished. More... | |
| void | setAction (QAction *action) |
| Use this to associate a QAction to this maptool. More... | |
| void | setButton (QAbstractButton *button) |
| Use this to associate a button to this maptool. More... | |
| virtual void | setCursor (const QCursor &cursor) |
| Set a user defined cursor. More... | |
| QString | toolName () |
| Emit map tool changed with the old tool. More... | |
| virtual void | wheelEvent (QWheelEvent *e) |
| Mouse wheel event for overriding. Default implementation does nothing. More... | |
| Public Member Functions inherited from QObject | |
| QObject (QObject *parent) | |
| QObject (QObject *parent, const char *name) | |
| virtual | ~QObject () |
| bool | blockSignals (bool block) |
| QObject * | child (const char *objName, const char *inheritsClass, bool recursiveSearch) const |
| const QObjectList & | children () const |
| const char * | className () const |
| bool | connect (const QObject *sender, const char *signal, const char *method, Qt::ConnectionType type) const |
| void | deleteLater () |
| void | destroyed (QObject *obj) |
| bool | disconnect (const QObject *receiver, const char *method) |
| bool | disconnect (const char *signal, const QObject *receiver, const char *method) |
| void | dumpObjectInfo () |
| void | dumpObjectTree () |
| QList< QByteArray > | dynamicPropertyNames () const |
| virtual bool | event (QEvent *e) |
| virtual bool | eventFilter (QObject *watched, QEvent *event) |
| T | findChild (const QString &name) const |
| QList< T > | findChildren (const QRegExp ®Exp) const |
| QList< T > | findChildren (const QString &name) const |
| bool | inherits (const char *className) const |
| void | insertChild (QObject *object) |
| void | installEventFilter (QObject *filterObj) |
| bool | isA (const char *className) const |
| bool | isWidgetType () const |
| void | killTimer (int id) |
| virtual const QMetaObject * | metaObject () const |
| void | moveToThread (QThread *targetThread) |
| const char * | name () const |
| const char * | name (const char *defaultName) const |
| QString | objectName () const |
| QObject * | parent () const |
| QVariant | property (const char *name) const |
| void | removeChild (QObject *object) |
| void | removeEventFilter (QObject *obj) |
| void | setName (const char *name) |
| void | setObjectName (const QString &name) |
| void | setParent (QObject *parent) |
| bool | setProperty (const char *name, const QVariant &value) |
| bool | signalsBlocked () const |
| int | startTimer (int interval) |
| QThread * | thread () const |
Protected Member Functions | |
| virtual void | keyPressEvent (QKeyEvent *e) override |
| Key event for overriding. Default implementation does nothing. More... | |
| Protected Member Functions inherited from QgsMapToolIdentify | |
| QList< IdentifyResult > | identify (int x, int y, IdentifyMode mode, const QList< QgsMapLayer *> &layerList, const LayerType &layerType=AllLayers) |
| Performs the identification. More... | |
| bool | identifyLayer (QList< IdentifyResult > *results, QgsMapLayer *layer, const QgsPoint &point, const QgsRectangle &viewExtent, double mapUnitsPerPixel, const QgsMapToolIdentify::LayerType &layerType=AllLayers) |
| Call the right method depending on layer type. More... | |
| bool | identifyRasterLayer (QList< IdentifyResult > *results, QgsRasterLayer *layer, QgsPoint point, const QgsRectangle &viewExtent, double mapUnitsPerPixel) |
| bool | identifyVectorLayer (QList< IdentifyResult > *results, QgsVectorLayer *layer, const QgsPoint &point) |
| Protected Member Functions inherited from QgsMapTool | |
| QgsMapTool (QgsMapCanvas *canvas) | |
| constructor takes map canvas as a parameter More... | |
| QPoint | toCanvasCoordinates (const QgsPoint &point) |
| transformation from map coordinates to screen coordinates More... | |
| QgsPoint | toLayerCoordinates (QgsMapLayer *layer, QPoint point) |
| transformation from screen coordinates to layer's coordinates More... | |
| QgsPoint | toLayerCoordinates (QgsMapLayer *layer, const QgsPoint &point) |
| transformation from map coordinates to layer's coordinates More... | |
| QgsRectangle | toLayerCoordinates (QgsMapLayer *layer, const QgsRectangle &rect) |
| trnasformation of the rect from map coordinates to layer's coordinates More... | |
| QgsPoint | toMapCoordinates (QPoint point) |
| transformation from screen coordinates to map coordinates More... | |
| QgsPoint | toMapCoordinates (QgsMapLayer *layer, const QgsPoint &point) |
| transformation from layer's coordinates to map coordinates (which is different in case reprojection is used) More... | |
| QgsPointV2 | toMapCoordinates (QgsMapLayer *layer, const QgsPointV2 &point) |
| transformation from layer's coordinates to map coordinates (which is different in case reprojection is used) More... | |
| Protected Member Functions inherited from QObject | |
| bool | checkConnectArgs (const char *signal, const QObject *object, const char *method) |
| virtual void | childEvent (QChildEvent *event) |
| virtual void | connectNotify (const char *signal) |
| virtual void | customEvent (QEvent *event) |
| virtual void | disconnectNotify (const char *signal) |
| int | receivers (const char *signal) const |
| QObject * | sender () const |
| int | senderSignalIndex () const |
| virtual void | timerEvent (QTimerEvent *event) |
Additional Inherited Members | |
| Public Types inherited from QgsMapToolIdentify | |
| enum | IdentifyMode { DefaultQgsSetting = -1, ActiveLayer, TopDownStopAtFirst, TopDownAll, LayerSelection } |
| enum | Type { VectorLayer = 1, RasterLayer = 2, AllLayers = VectorLayer | RasterLayer } |
| Public Types inherited from QgsMapTool | |
| enum | Flag { Transient = 1 << 1, EditTool = 1 << 2, AllowZoomRect = 1 << 3 } |
| Enumeration of flags that adjust the way the map tool operates. More... | |
| Public Slots inherited from QgsMapToolIdentify | |
| void | formatChanged (QgsRasterLayer *layer) |
| Static Public Member Functions inherited from QgsMapTool | |
| static double | searchRadiusMM () |
| Get search radius in mm. More... | |
| static double | searchRadiusMU (const QgsRenderContext &context) |
| Get search radius in map units for given context. More... | |
| static double | searchRadiusMU (QgsMapCanvas *canvas) |
| Get search radius in map units for given canvas. More... | |
| Static Public Member Functions inherited from QObject | |
| bool | connect (const QObject *sender, const char *signal, const QObject *receiver, const char *method, Qt::ConnectionType type) |
| bool | connect (const QObject *sender, const QMetaMethod &signal, const QObject *receiver, const QMetaMethod &method, Qt::ConnectionType type) |
| bool | disconnect (const QObject *sender, const char *signal, const QObject *receiver, const char *method) |
| bool | disconnect (const QObject *sender, const QMetaMethod &signal, const QObject *receiver, const QMetaMethod &method) |
| QString | tr (const char *sourceText, const char *disambiguation, int n) |
| QString | trUtf8 (const char *sourceText, const char *disambiguation, int n) |
| Static Protected Member Functions inherited from QObject | |
| QByteArray | normalizeSignalSlot (const char *signalSlot) |
| Protected Attributes inherited from QgsMapToolIdentify | |
| QgsIdentifyMenu * | mIdentifyMenu |
| Protected Attributes inherited from QgsMapTool | |
| QAction * | mAction |
| optionally map tool can have pointer to action which will be used to set that action as active More... | |
| QAbstractButton * | mButton |
| optionally map tool can have pointer to a button which will be used to set that action as active More... | |
| QgsMapCanvas * | mCanvas |
| pointer to map canvas More... | |
| QCursor | mCursor |
| cursor used in map tool More... | |
| QString | mToolName |
| translated name of the map tool More... | |
| Properties inherited from QObject | |
| objectName | |
Detailed Description
The QgsMapToolIdentifyFeature class is a map tool to identify a feature on a chosen layer.
Once the map tool is enable, user can click on the map canvas to identify a feature. A signal will then be emitted.
Definition at line 26 of file qgsmaptoolidentifyfeature.h.
Constructor & Destructor Documentation
◆ QgsMapToolIdentifyFeature()
| QgsMapToolIdentifyFeature::QgsMapToolIdentifyFeature | ( | QgsMapCanvas * | canvas, |
| QgsVectorLayer * | vl = nullptr |
||
| ) |
QgsMapToolIdentifyFeature is a map tool to identify a feature on a chosen layer.
- Parameters
-
canvas the map canvas vl the vector layer. The map tool can be initialized without any layer and can be set afterward.
Definition at line 22 of file qgsmaptoolidentifyfeature.cpp.
◆ ~QgsMapToolIdentifyFeature()
| QgsMapToolIdentifyFeature::~QgsMapToolIdentifyFeature | ( | ) |
Definition at line 34 of file qgsmaptoolidentifyfeature.cpp.
Member Function Documentation
◆ canvasReleaseEvent()
|
overridevirtual |
Overridden mouse release event.
Reimplemented from QgsMapToolIdentify.
Definition at line 38 of file qgsmaptoolidentifyfeature.cpp.
◆ featureIdentified [1/2]
|
signal |
◆ featureIdentified [2/2]
|
signal |
◆ keyPressEvent()
|
overrideprotectedvirtual |
Key event for overriding. Default implementation does nothing.
Reimplemented from QgsMapTool.
Definition at line 53 of file qgsmaptoolidentifyfeature.cpp.
◆ setLayer()
|
inline |
change the layer used by the map tool to identify
Definition at line 41 of file qgsmaptoolidentifyfeature.h.
The documentation for this class was generated from the following files:
- /tmp/buildd/qgis-2.18.21+99unstable/src/gui/qgsmaptoolidentifyfeature.h
- /tmp/buildd/qgis-2.18.21+99unstable/src/gui/qgsmaptoolidentifyfeature.cpp
