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QGIS API Documentation
2.8.2-Wien
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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 QgsPoint &point, Qt::MouseButton button) |
| signal emitted on canvas click | |
 Signals inherited from QgsMapTool | |
| void | activated () |
| signal emitted once the map tool is activated | |
| void | deactivated () |
| signal emitted once the map tool is deactivated | |
| void | messageDiscarded () |
| emit signal to clear previous message | |
| void | messageEmitted (QString message, QgsMessageBar::MessageLevel=QgsMessageBar::INFO) |
| emit a message | |
Public Member Functions | |
| QgsMapToolEmitPoint (QgsMapCanvas *canvas) | |
| constructor | |
| virtual void | canvasMoveEvent (QMouseEvent *e) override |
| Overridden mouse move event. | |
| virtual void | canvasPressEvent (QMouseEvent *e) override |
| Overridden mouse press event - emits the signal. | |
| virtual void | canvasReleaseEvent (QMouseEvent *e) override |
| Overridden mouse release event. | |
| Public Member Functions inherited from QgsMapTool | |
| virtual | ~QgsMapTool () |
| virtual destructor | |
| QAction * | action () |
| Return associated action with map tool or NULL if no action is associated. | |
| virtual void | activate () |
| called when set as currently active map tool | |
| QAbstractButton * | button () |
| Return associated button with map tool or NULL if no button is associated. | |
| QgsMapCanvas * | canvas () |
| returns pointer to the tool's map canvas | |
| virtual void | canvasDoubleClickEvent (QMouseEvent *e) |
| Mouse double click event for overriding. Default implementation does nothing. | |
| virtual void | deactivate () |
| called when map tool is being deactivated | |
| virtual bool | isEditTool () |
| Check whether this MapTool performs an edit operation. | |
| virtual bool | isTransient () |
| Check whether this MapTool performs a zoom or pan operation. | |
| virtual void | keyPressEvent (QKeyEvent *e) |
| Key event for overriding. Default implementation does nothing. | |
| virtual void | keyReleaseEvent (QKeyEvent *e) |
| Key event for overriding. Default implementation does nothing. | |
| virtual Q_DECL_DEPRECATED void | renderComplete () |
| Called when rendering has finished. | |
| void | setAction (QAction *action) |
| Use this to associate a QAction to this maptool. | |
| void | setButton (QAbstractButton *button) |
| Use this to associate a button to this maptool. | |
| virtual void | setCursor (QCursor cursor) |
| Set a user defined cursor. | |
| QString | toolName () |
| Emit map tool changed with the old tool. | |
| virtual void | wheelEvent (QWheelEvent *e) |
| Mouse wheel event for overriding. Default implementation does nothing. | |
Additional Inherited Members | |
| Static Public Member Functions inherited from QgsMapTool | |
| static double | searchRadiusMM () |
| Get search radius in mm. | |
| static double | searchRadiusMU (const QgsRenderContext &context) |
| Get search radius in map units for given context. | |
| static double | searchRadiusMU (QgsMapCanvas *canvas) |
| Get search radius in map units for given canvas. | |
| Protected Member Functions inherited from QgsMapTool | |
| QgsMapTool (QgsMapCanvas *canvas) | |
| constructor takes map canvas as a parameter | |
| QPoint | toCanvasCoordinates (const QgsPoint &point) |
| transformation from map coordinates to screen coordinates | |
| QgsPoint | toLayerCoordinates (QgsMapLayer *layer, const QPoint &point) |
| transformation from screen coordinates to layer's coordinates | |
| QgsPoint | toLayerCoordinates (QgsMapLayer *layer, const QgsPoint &point) |
| transformation from map coordinates to layer's coordinates | |
| QgsRectangle | toLayerCoordinates (QgsMapLayer *layer, const QgsRectangle &rect) |
| trnasformation of the rect from map coordinates to layer's coordinates | |
| QgsPoint | toMapCoordinates (const QPoint &point) |
| transformation from screen coordinates to map coordinates | |
| QgsPoint | toMapCoordinates (QgsMapLayer *layer, const QgsPoint &point) |
| transformation from layer's coordinates to map coordinates (which is different in case reprojection is used) | |
| 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 | |
| QAbstractButton * | mButton |
| optionally map tool can have pointer to a button which will be used to set that action as active | |
| QgsMapCanvas * | mCanvas |
| pointer to map canvas | |
| QCursor | mCursor |
| cursor used in map tool | |
| QString | mToolName |
| translated name of the map tool | |
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 behaviour for the passed in point.
Definition at line 29 of file qgsmaptoolemitpoint.h.
| QgsMapToolEmitPoint::QgsMapToolEmitPoint | ( | QgsMapCanvas * | canvas | ) |
constructor
Definition at line 22 of file qgsmaptoolemitpoint.cpp.
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signal |
signal emitted on canvas click
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overridevirtual |
Overridden mouse move event.
Reimplemented from QgsMapTool.
Definition at line 27 of file qgsmaptoolemitpoint.cpp.
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overridevirtual |
Overridden mouse press event - emits the signal.
Reimplemented from QgsMapTool.
Definition at line 32 of file qgsmaptoolemitpoint.cpp.
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overridevirtual |
Overridden mouse release event.
Reimplemented from QgsMapTool.
Definition at line 38 of file qgsmaptoolemitpoint.cpp.
1.8.1.2