A map tool for zooming into the map. More...

#include <qgsmaptoolzoom.h>

Inheritance diagram for QgsMapToolZoom:

Public Member Functions
	QgsMapToolZoom (QgsMapCanvas *canvas, bool zoomOut)
	constructor More...

	~QgsMapToolZoom ()

virtual void	canvasMoveEvent (QgsMapMouseEvent *e) override
	Overridden mouse move event. More...

virtual void	canvasPressEvent (QgsMapMouseEvent *e) override
	Overridden mouse press event. More...

virtual void	canvasReleaseEvent (QgsMapMouseEvent *e) override
	Overridden mouse release 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...

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...

virtual void	activate ()
	called when set as currently active map tool 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	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...

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 &regExp) 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 Attributes
bool	mDragging
	Flag to indicate a map canvas drag operation is taking place. More...

QgsRubberBand *	mRubberBand

bool	mZoomOut
	indicates whether we're zooming in or out More...

QRect	mZoomRect
	stores actual zoom rect More...

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...

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...

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...

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)

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)

Static Protected Member Functions inherited from QObject
QByteArray	normalizeSignalSlot (const char *signalSlot)

Properties inherited from QObject
	objectName

Detailed Description

A map tool for zooming into the map.

See also: QgsMapTool

Definition at line 28 of file qgsmaptoolzoom.h.

Constructor & Destructor Documentation

◆ QgsMapToolZoom()

QgsMapToolZoom::QgsMapToolZoom	(	QgsMapCanvas *	canvas,
		bool	zoomOut
	)

constructor

Definition at line 30 of file qgsmaptoolzoom.cpp.

◆ ~QgsMapToolZoom()

QgsMapToolZoom::~QgsMapToolZoom ( )

Definition at line 42 of file qgsmaptoolzoom.cpp.

Member Function Documentation

◆ canvasMoveEvent()

void QgsMapToolZoom::canvasMoveEvent ( QgsMapMouseEvent * e )

overridevirtual

Overridden mouse move event.

Reimplemented from QgsMapTool.

Definition at line 48 of file qgsmaptoolzoom.cpp.

◆ canvasPressEvent()

void QgsMapToolZoom::canvasPressEvent ( QgsMapMouseEvent * e )

overridevirtual

Overridden mouse press event.

Reimplemented from QgsMapTool.

Definition at line 72 of file qgsmaptoolzoom.cpp.

◆ canvasReleaseEvent()

void QgsMapToolZoom::canvasReleaseEvent ( QgsMapMouseEvent * e )

overridevirtual

Overridden mouse release event.

Reimplemented from QgsMapTool.

Definition at line 81 of file qgsmaptoolzoom.cpp.

◆ deactivate()

void QgsMapToolZoom::deactivate ( )

overridevirtual

called when map tool is being deactivated

Reimplemented from QgsMapTool.

Definition at line 131 of file qgsmaptoolzoom.cpp.

◆ flags()

virtual Flags QgsMapToolZoom::flags ( ) const

inlineoverridevirtual

Returns the flags for the map tool.

Note: added in QGIS 2.16

Reimplemented from QgsMapTool.

Definition at line 38 of file qgsmaptoolzoom.h.

Member Data Documentation

◆ mDragging

bool QgsMapToolZoom::mDragging

protected

Flag to indicate a map canvas drag operation is taking place.

Definition at line 59 of file qgsmaptoolzoom.h.

◆ mRubberBand

QgsRubberBand* QgsMapToolZoom::mRubberBand

protected

Definition at line 61 of file qgsmaptoolzoom.h.

◆ mZoomOut

bool QgsMapToolZoom::mZoomOut

protected

indicates whether we're zooming in or out

Definition at line 56 of file qgsmaptoolzoom.h.

◆ mZoomRect

QRect QgsMapToolZoom::mZoomRect

protected

stores actual zoom rect

Definition at line 53 of file qgsmaptoolzoom.h.

The documentation for this class was generated from the following files:

/tmp/buildd/qgis-2.18.21+99unstable/src/gui/qgsmaptoolzoom.h
/tmp/buildd/qgis-2.18.21+99unstable/src/gui/qgsmaptoolzoom.cpp

Public Member Functions

Protected Attributes

Additional Inherited Members

Detailed Description

Constructor & Destructor Documentation

◆ QgsMapToolZoom()

◆ ~QgsMapToolZoom()

Member Function Documentation

◆ canvasMoveEvent()

◆ canvasPressEvent()

◆ canvasReleaseEvent()

◆ deactivate()

◆ flags()

Member Data Documentation

◆ mDragging

◆ mRubberBand

◆ mZoomOut

◆ mZoomRect