DefaultTool::MoveGradientHandleInteractionFactory Class Reference

Inheritance diagram for DefaultTool::MoveGradientHandleInteractionFactory:

Public Member Functions
KoInteractionStrategy *	createStrategy (KoPointerEvent *ev) override
bool	hoverEvent (KoPointerEvent *ev) override
	MoveGradientHandleInteractionFactory (KoFlake::FillVariant fillVariant, int priority, const QString &id, DefaultTool *_q)
bool	paintOnHover (QPainter &painter, const KoViewConverter &converter) override
bool	tryUseCustomCursor () override
Public Member Functions inherited from KoInteractionStrategyFactory
QString	id () const
	KoInteractionStrategyFactory (int priority, const QString &id)
int	priority () const
virtual	~KoInteractionStrategyFactory ()

Private Member Functions
KoShapeGradientHandles::Handle	handleAt (const QPointF &pos)
KoShape *	onlyEditableShape () const

Private Attributes
KoShapeGradientHandles::Handle	m_currentHandle
KoFlake::FillVariant	m_fillVariant
DefaultTool *	q

Additional Inherited Members
Static Public Member Functions inherited from KoInteractionStrategyFactory
static bool	compareLess (KoInteractionStrategyFactorySP f1, KoInteractionStrategyFactorySP f2)

Detailed Description

Definition at line 181 of file DefaultTool.cpp.

Constructor & Destructor Documentation

MoveGradientHandleInteractionFactory()

DefaultTool::MoveGradientHandleInteractionFactory::MoveGradientHandleInteractionFactory ( KoFlake::FillVariant fillVariant, int priority, const QString & id, DefaultTool * _q )

inline

Definition at line 184 of file DefaultTool.cpp.

        : KoInteractionStrategyFactory(priority, id),
          q(_q),
          m_fillVariant(fillVariant)
    {
    }

Member Function Documentation

createStrategy()

KoInteractionStrategy * DefaultTool::MoveGradientHandleInteractionFactory::createStrategy ( KoPointerEvent * ev )

inlineoverridevirtual

Implements KoInteractionStrategyFactory.

Definition at line 192 of file DefaultTool.cpp.

    {
        m_currentHandle = handleAt(ev->point);
 
        if (m_currentHandle.type != KoShapeGradientHandles::Handle::None) {
            KoShape *shape = onlyEditableShape();
            KIS_SAFE_ASSERT_RECOVER_RETURN_VALUE(shape, 0);
 
            return new ShapeGradientEditStrategy(q, m_fillVariant, shape, m_currentHandle.type, ev->point);
        }
 
        return 0;
    }

References handleAt(), KIS_SAFE_ASSERT_RECOVER_RETURN_VALUE, m_currentHandle, m_fillVariant, KoShapeGradientHandles::Handle::None, onlyEditableShape(), KoPointerEvent::point, q, and KoShapeGradientHandles::Handle::type.

handleAt()

KoShapeGradientHandles::Handle DefaultTool::MoveGradientHandleInteractionFactory::handleAt ( const QPointF & pos )

inlineprivate

Definition at line 242 of file DefaultTool.cpp.

                                                              {
        KoShapeGradientHandles::Handle result;
 
        KoShape *shape = onlyEditableShape();
        if (shape) {
            KoFlake::SelectionHandle globalHandle = q->handleAt(pos);
            const qreal distanceThresholdSq =
                globalHandle == KoFlake::NoHandle ?
                    HANDLE_DISTANCE_SQ : 0.25 * HANDLE_DISTANCE_SQ;
 
            const KoViewConverter *converter = q->canvas()->viewConverter();
            const QPointF viewPoint = converter->documentToView(pos);
            qreal minDistanceSq = std::numeric_limits<qreal>::max();
 
            KoShapeGradientHandles sh(m_fillVariant, shape);
            auto handless = sh.handles();
            Q_FOREACH (const KoShapeGradientHandles::Handle &handle, sh.handles()) {
                const QPointF handlePoint = converter->documentToView(handle.pos);
                const qreal distanceSq = kisSquareDistance(viewPoint, handlePoint);
 
                if (distanceSq < distanceThresholdSq && distanceSq < minDistanceSq) {
                    result = handle;
                    minDistanceSq = distanceSq;
                }
            }
        }
 
        return result;
    }

References KoToolBase::canvas(), KoViewConverter::documentToView(), HANDLE_DISTANCE_SQ, DefaultTool::handleAt(), KoShapeGradientHandles::handles(), kisSquareDistance(), m_fillVariant, KoFlake::NoHandle, onlyEditableShape(), KoShapeGradientHandles::Handle::pos, q, and KoCanvasBase::viewConverter().

hoverEvent()

bool DefaultTool::MoveGradientHandleInteractionFactory::hoverEvent ( KoPointerEvent * ev )

inlineoverridevirtual

Implements KoInteractionStrategyFactory.

Definition at line 206 of file DefaultTool.cpp.

    {
        m_currentHandle = handleAt(ev->point);
        return false;
    }

References handleAt(), m_currentHandle, and KoPointerEvent::point.

onlyEditableShape()

KoShape * DefaultTool::MoveGradientHandleInteractionFactory::onlyEditableShape ( ) const

inlineprivate

Definition at line 230 of file DefaultTool.cpp.

                                       {
        KoSelection *selection = q->koSelection();
        QList<KoShape*> shapes = selection->selectedEditableShapes();
 
        KoShape *shape = 0;
        if (shapes.size() == 1) {
            shape = shapes.first();
        }
 
        return shape;
    }

References DefaultTool::koSelection(), q, and DefaultTool::selection().

paintOnHover()

bool DefaultTool::MoveGradientHandleInteractionFactory::paintOnHover ( QPainter & painter, const KoViewConverter & converter )

inlineoverridevirtual

Implements KoInteractionStrategyFactory.

Definition at line 212 of file DefaultTool.cpp.

    {
        Q_UNUSED(painter);
        Q_UNUSED(converter);
        return false;
    }

tryUseCustomCursor()

bool DefaultTool::MoveGradientHandleInteractionFactory::tryUseCustomCursor ( )

inlineoverridevirtual

Implements KoInteractionStrategyFactory.

Definition at line 219 of file DefaultTool.cpp.

                                       {
        if (m_currentHandle.type != KoShapeGradientHandles::Handle::None) {
            q->useCursor(Qt::OpenHandCursor);
            return true;
        }
 
        return false;
    }

References m_currentHandle, KoShapeGradientHandles::Handle::None, q, KoShapeGradientHandles::Handle::type, and KoToolBase::useCursor().

Member Data Documentation

m_currentHandle

KoShapeGradientHandles::Handle DefaultTool::MoveGradientHandleInteractionFactory::m_currentHandle

private

Definition at line 275 of file DefaultTool.cpp.

m_fillVariant

KoFlake::FillVariant DefaultTool::MoveGradientHandleInteractionFactory::m_fillVariant

private

Definition at line 274 of file DefaultTool.cpp.

q

DefaultTool* DefaultTool::MoveGradientHandleInteractionFactory::q

private

Definition at line 273 of file DefaultTool.cpp.

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

• plugins/tools/defaulttool/defaulttool/DefaultTool.cpp