Allows for the resizing of a circle by grabbing the outer rim and moving the cursor. More...

Inheritance diagram for DtCircleResizingHandler:

Public Slots
virtual bool	mouseEvent (DtTMMapArea area, QMouseEvent evnt, const DtPoint &pnt)
virtual bool	keyboardEvent (DtTMMapArea area, QKeyEvent evnt)
virtual void	originalDestroyed ()
virtual void	resizeSymbolDestroyed ()
virtual void	removeTempSymbol ()
virtual void	done ()
Public Member Functions
	DtCircleResizingHandler ()
	Default Constructor.
virtual	~DtCircleResizingHandler ()
	Destructor.
bool	accepted () const
virtual void	circleMove (DtTMMapArea area, DtModelData data, const DtPoint &delta)
	Call to either move the circle (origin selected) or edge (rim selected)
Static Public Member Functions
static DtEventHandler *	create (DtEventController owner, void usr)
	Static creator.
Protected Member Functions
virtual bool	cancelSizing ()
virtual void	resizeObject (const QPoint origin, const QPoint endPt)
virtual DtResizableCircleSymbol *	circleSymbol (DtTMMapArea *, const DtModelKey &)
virtual DtResizableCircleSymbol *	circleSymbol (DtSymbol *sym)
virtual DtSymbol *	createTempSymbol (DtSymbol *symbol)
virtual void	initializeResize (DtTMMapArea area, DtModelData data)
virtual void	backup ()
	Backs up/restores sizing data (basically, just the end point of the circle)
virtual void	restore ()
virtual void	acceptChanges (bool completeToMapArea=true)
	Accepts changes by modifying model data with final point information.
virtual void	setModelDataFromSymbol (const QList< int > *indices=NULL)
	Sets the data in the model based on the points in the circle symbol.
virtual void	computeMovePoints (QPoint points[2], DtTMMapArea area, DtModelData *data, const DtPoint &delta)
Protected Attributes
DtTMMapArea *	myMapArea
DtModelData *	myModelData
DtSymbol *	myResizeSymbol
DtSymbol *	myHideSymbol
QVector< DtPoint >	myBackupPoints
bool	myBackupIsModelData
bool	myAccepted

Detailed Description

Allows for the resizing of a circle by grabbing the outer rim and moving the cursor.

Note this handler only works for circle resizing and not ellipse resizing

Constructor & Destructor Documentation

DtCircleResizingHandler::DtCircleResizingHandler ( )

Default Constructor.

virtual DtCircleResizingHandler::~DtCircleResizingHandler ( ) [virtual]

Destructor.

Member Function Documentation

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

Static creator.

bool DtCircleResizingHandler::accepted ( ) const [inline]

References myAccepted.

virtual void DtCircleResizingHandler::circleMove	(	DtTMMapArea *	area,
		DtModelData *	data,
		const DtPoint &	delta
	)		`[virtual]`

Call to either move the circle (origin selected) or edge (rim selected)

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

Reimplemented from DtEventHandler.

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

Reimplemented from DtEventHandler.

virtual void DtCircleResizingHandler::originalDestroyed ( ) [virtual, slot]

virtual void DtCircleResizingHandler::resizeSymbolDestroyed ( ) [virtual, slot]

virtual void DtCircleResizingHandler::removeTempSymbol ( ) [virtual, slot]

virtual void DtCircleResizingHandler::done ( ) [virtual, slot]

virtual bool DtCircleResizingHandler::cancelSizing ( ) [protected, virtual]

virtual void DtCircleResizingHandler::resizeObject	(	const QPoint *	origin,
		const QPoint *	endPt
	)		`[protected, virtual]`

virtual DtResizableCircleSymbol* DtCircleResizingHandler::circleSymbol	(	DtTMMapArea *	,
		const DtModelKey &
	)		`[protected, virtual]`

virtual DtResizableCircleSymbol* DtCircleResizingHandler::circleSymbol ( DtSymbol * sym ) [protected, virtual]

virtual DtSymbol* DtCircleResizingHandler::createTempSymbol ( DtSymbol * symbol ) [protected, virtual]

virtual void DtCircleResizingHandler::initializeResize	(	DtTMMapArea *	area,
		DtModelData *	data
	)		`[protected, virtual]`

virtual void DtCircleResizingHandler::backup ( ) [protected, virtual]

Backs up/restores sizing data (basically, just the end point of the circle)

virtual void DtCircleResizingHandler::restore ( ) [protected, virtual]

virtual void DtCircleResizingHandler::acceptChanges ( bool completeToMapArea = true ) [protected, virtual]

Accepts changes by modifying model data with final point information.

virtual void DtCircleResizingHandler::setModelDataFromSymbol ( const QList< int > * indices = NULL ) [protected, virtual]

Sets the data in the model based on the points in the circle symbol.

virtual void DtCircleResizingHandler::computeMovePoints	(	QPoint *	points[2],
		DtTMMapArea *	area,
		DtModelData *	data,
		const DtPoint &	delta
	)		`[protected, virtual]`