DtNavigationHandler Class Reference

This is for the navigation types that are shared between menus and navigation items. More...

Inheritance diagram for DtNavigationHandler:

List of all members.

Public Slots
virtual bool	mouseEvent (DtTMMapArea *, QMouseEvent *evnt, const DtPoint &pnt)
virtual bool	keyboardEvent (DtTMMapArea *area, QKeyEvent *evnt)
virtual void	timedPan ()
Public Member Functions
	DtNavigationHandler ()
	Default Constructor.
virtual	~DtNavigationHandler ()
	Destructor.
virtual bool	aboutToDraw (DtTMMapArea *area, QPainter *pix)
virtual bool	userDefinedAction (DtUserDefinedType iAction, void *usr)
Static Public Member Functions
static DtEventHandler *	create (DtEventController *owner, void *usr)
	Static creator.
Protected Member Functions
virtual bool	processNavigationKey (DtTMMapArea *area, int key, int state)
	Switch statement to process navigation keypresses.
virtual void	mouseZoom (DtTMMapArea *area, QMouseEvent *e)
virtual void	reorderRectangle (QRect &rect)
virtual void	resizeRectToFitAspectRatio (QRect &r, const double &ratio)
virtual void	resizeRectToFitAspectRatio (DtExtent &ext, DtTMViewportExtents *extents)
virtual void	resizeRectToFitAspectRatioFromCenter (DtExtent &ext, DtTMViewportExtents *extents)
virtual DtExtent	zoom (const DtExtent &ext, double mag) const
virtual void	zoomToExtent (DtTMMapArea *area)
virtual DtExtent	getZoomExtentRect (DtTMMapArea *area, const DtModelData *d) const
	Extent must be in database coordinates.
virtual void	zoomToExtent (DtTMMapArea *area, const QRect &rect)
virtual DtExtent	convertRectToExtent (DtTMMapArea *area, const QRect &rect) const
virtual void	setCursor (QEvent *)
	Sets the cursor based on the event.
Protected Attributes
DtUserDefinedType	myNavigationDirection
QTimer	myPanTimer
bool	myShiftTracking
QPoint	myMouseBegin
QPoint	myMouseLast
DtTMArea *	myTimerMap
int	myKey
int	myState
bool	myLeftButton
bool	myMouseShiftMap
bool	myInMapShiftMode
DtPoint	myMapBegin
DtPoint	myMapLast

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Detailed Description

This is for the navigation types that are shared between menus and navigation items.

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Constructor & Destructor Documentation

DtNavigationHandler::DtNavigationHandler

(

)

Default Constructor.

virtual DtNavigationHandler::~DtNavigationHandler

(

)

[virtual]

Destructor.

---

Member Function Documentation

static DtEventHandler* DtNavigationHandler::create	(	DtEventController *	owner,
		void *	usr
	)		[static]

Static creator.

Reimplemented in DtTerrainNavigationHandler.

virtual bool DtNavigationHandler::aboutToDraw	(	DtTMMapArea *	area,
		QPainter *	pix
	)		[virtual]

Reimplemented from DtEventHandler.

virtual bool DtNavigationHandler::userDefinedAction	(	DtUserDefinedType	iAction,
		void *	usr
	)		[virtual]

Reimplemented from DtEventHandler.

Reimplemented in DtTerrainNavigationHandler.

virtual bool DtNavigationHandler::mouseEvent	(	DtTMMapArea *	,
		QMouseEvent *	evnt,
		const DtPoint &	pnt
	)		[virtual, slot]

Reimplemented from DtEventHandler.

virtual bool DtNavigationHandler::keyboardEvent	(	DtTMMapArea *	area,
		QKeyEvent *	evnt
	)		[virtual, slot]

Reimplemented from DtEventHandler.

virtual void DtNavigationHandler::timedPan

(

)

[virtual, slot]

virtual bool DtNavigationHandler::processNavigationKey	(	DtTMMapArea *	area,
		int	key,
		int	state
	)		[protected, virtual]

Switch statement to process navigation keypresses.

virtual void DtNavigationHandler::mouseZoom	(	DtTMMapArea *	area,
		QMouseEvent *	e
	)		[protected, virtual]

virtual void DtNavigationHandler::reorderRectangle

(

QRect &

rect

)

[protected, virtual]

virtual void DtNavigationHandler::resizeRectToFitAspectRatio	(	QRect &	r,
		const double &	ratio
	)		[protected, virtual]

virtual void DtNavigationHandler::resizeRectToFitAspectRatio	(	DtExtent &	ext,
		DtTMViewportExtents *	extents
	)		[protected, virtual]

virtual void DtNavigationHandler::resizeRectToFitAspectRatioFromCenter	(	DtExtent &	ext,
		DtTMViewportExtents *	extents
	)		[protected, virtual]

virtual DtExtent DtNavigationHandler::zoom	(	const DtExtent &	ext,
		double	mag
	)		const [protected, virtual]

virtual void DtNavigationHandler::zoomToExtent

(

DtTMMapArea *

area

)

[protected, virtual]

virtual DtExtent DtNavigationHandler::getZoomExtentRect	(	DtTMMapArea *	area,
		const DtModelData *	d
	)		const [protected, virtual]

Extent must be in database coordinates.

virtual void DtNavigationHandler::zoomToExtent	(	DtTMMapArea *	area,
		const QRect &	rect
	)		[protected, virtual]

virtual DtExtent DtNavigationHandler::convertRectToExtent	(	DtTMMapArea *	area,
		const QRect &	rect
	)		const [protected, virtual]

virtual void DtNavigationHandler::setCursor

(

QEvent *

)

[protected, virtual]

Sets the cursor based on the event.

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Member Data Documentation

DtUserDefinedType DtNavigationHandler::myNavigationDirection [protected]

QTimer DtNavigationHandler::myPanTimer [protected]

bool DtNavigationHandler::myShiftTracking [protected]

QPoint DtNavigationHandler::myMouseBegin [protected]

QPoint DtNavigationHandler::myMouseLast [protected]

DtTMArea* DtNavigationHandler::myTimerMap [protected]

int DtNavigationHandler::myKey [protected]

int DtNavigationHandler::myState [protected]

bool DtNavigationHandler::myLeftButton [protected]

bool DtNavigationHandler::myMouseShiftMap [protected]

bool DtNavigationHandler::myInMapShiftMode [protected]

DtPoint DtNavigationHandler::myMapBegin [protected]

DtPoint DtNavigationHandler::myMapLast [protected]

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

• include/tmEventHandler/navigationHandler.h