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QGIS API Documentation
3.4.15-Madeira (e83d02e274)
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QGIS API Documentation
3.4.15-Madeira (e83d02e274)
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A map tool that simply emits a point when clicking on the map. More...
#include <qgsmaptoolemitpoint.h>
Signals | |
| void | canvasClicked (const QgsPointXY &point, Qt::MouseButton button) |
| signal emitted on canvas click More... | |
 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, Qgis::MessageLevel=Qgis::Info) |
| emit a message More... | |
Public Member Functions | |
| QgsMapToolEmitPoint (QgsMapCanvas *canvas) | |
| constructor More... | |
| void | canvasMoveEvent (QgsMapMouseEvent *e) override |
| Mouse move event for overriding. Default implementation does nothing. More... | |
| void | canvasPressEvent (QgsMapMouseEvent *e) override |
| Mouse press event for overriding. Default implementation does nothing. More... | |
| void | canvasReleaseEvent (QgsMapMouseEvent *e) override |
| Mouse release event for overriding. Default implementation does nothing. More... | |
| Flags | flags () const override |
| Returns the flags for the map tool. More... | |
| Public Member Functions inherited from QgsMapTool | |
| ~QgsMapTool () override | |
| QAction * | action () |
| Returns associated action with map tool or NULL if no action is associated. More... | |
| virtual void | activate () |
| called when set as currently active map tool More... | |
| QAbstractButton * | button () |
| Returns 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 void | clean () |
| convenient method to clean members More... | |
| virtual void | deactivate () |
| called when map tool is being deactivated More... | |
| virtual bool | gestureEvent (QGestureEvent *e) |
| gesture event for overriding. Default implementation does nothing. More... | |
| bool | isActive () const |
| Returns if the current map tool active on the map canvas. More... | |
| virtual void | keyPressEvent (QKeyEvent *e) |
| Key event for overriding. Default implementation does nothing. More... | |
| virtual void | keyReleaseEvent (QKeyEvent *e) |
| Key event for overriding. Default implementation does nothing. 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) |
| Sets 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... | |
Additional Inherited Members | |
| 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... | |
| Static Public Member Functions inherited from QgsMapTool | |
| static double | searchRadiusMM () |
| Gets search radius in mm. More... | |
| static double | searchRadiusMU (const QgsRenderContext &context) |
| Gets search radius in map units for given context. More... | |
| static double | searchRadiusMU (QgsMapCanvas *canvas) |
| Gets search radius in map units for given canvas. More... | |
| Protected Member Functions inherited from QgsMapTool | |
| QgsMapTool (QgsMapCanvas *canvas) | |
| constructor takes map canvas as a parameter More... | |
| QPoint | toCanvasCoordinates (const QgsPointXY &point) |
| transformation from map coordinates to screen coordinates More... | |
| QgsPointXY | toLayerCoordinates (const QgsMapLayer *layer, QPoint point) |
| transformation from screen coordinates to layer's coordinates More... | |
| QgsPointXY | toLayerCoordinates (const QgsMapLayer *layer, const QgsPointXY &point) |
| transformation from map coordinates to layer's coordinates More... | |
| QgsRectangle | toLayerCoordinates (const QgsMapLayer *layer, const QgsRectangle &rect) |
| trnasformation of the rect from map coordinates to layer's coordinates More... | |
| QgsPointXY | toMapCoordinates (QPoint point) |
| transformation from screen coordinates to map coordinates More... | |
| QgsPointXY | toMapCoordinates (const QgsMapLayer *layer, const QgsPointXY &point) |
| transformation from layer's coordinates to map coordinates (which is different in case reprojection is used) More... | |
| QgsPoint | toMapCoordinates (const QgsMapLayer *layer, const QgsPoint &point) |
| transformation from layer's coordinates to map coordinates (which is different in case reprojection is used) More... | |
| Protected Attributes inherited from QgsMapTool | |
| QAction * | mAction = nullptr |
| optionally map tool can have pointer to action which will be used to set that action as active More... | |
| QAbstractButton * | mButton = nullptr |
| optionally map tool can have pointer to a button which will be used to set that action as active More... | |
| QgsMapCanvas * | mCanvas = nullptr |
| pointer to map canvas More... | |
| QCursor | mCursor |
| cursor used in map tool More... | |
| QString | mToolName |
| translated name of the map tool More... | |
A map tool that simply emits a point when clicking on the map.
Connecting a slot to its canvasClicked() signal will let you implement custom behavior for the passed in point.
Definition at line 30 of file qgsmaptoolemitpoint.h.
| QgsMapToolEmitPoint::QgsMapToolEmitPoint | ( | QgsMapCanvas * | canvas | ) |
constructor
Definition at line 23 of file qgsmaptoolemitpoint.cpp.
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signal |
signal emitted on canvas click
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overridevirtual |
Mouse move event for overriding. Default implementation does nothing.
Reimplemented from QgsMapTool.
Definition at line 28 of file qgsmaptoolemitpoint.cpp.
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overridevirtual |
Mouse press event for overriding. Default implementation does nothing.
Reimplemented from QgsMapTool.
Definition at line 33 of file qgsmaptoolemitpoint.cpp.
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overridevirtual |
Mouse release event for overriding. Default implementation does nothing.
Reimplemented from QgsMapTool.
Definition at line 39 of file qgsmaptoolemitpoint.cpp.
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inlineoverridevirtual |
Returns the flags for the map tool.
Reimplemented from QgsMapTool.
Definition at line 38 of file qgsmaptoolemitpoint.h.
1.8.11
