GuidelineStateHandleT Class Reference

GuidelineStateHandleAbstract instantiated for theta R guideline. More...

#include <GuidelineStateHandleT.h>

Inheritance diagram for GuidelineStateHandleT:

Collaboration diagram for GuidelineStateHandleT:

Public Member Functions
	GuidelineStateHandleT (GuidelineStateContext &context)
	Single constructor.
virtual	~GuidelineStateHandleT ()
virtual void	begin ()
	Transition into state.
virtual QPointF	convertGraphCoordinateToScreenPoint (double valueGraph) const
	Convert single graph coordinate into screen point pair.
virtual double	convertScreenPointToGraphCoordinate (const QPointF &posScreen) const
	Convert screen point pair into single graph coordinate.
virtual void	end ()
	Transition out of state.
virtual void	handleMouseRelease (const QPointF &posScene)
	At the end of dragging, clone the Guideline that owns the state machine where these states live.
virtual EllipseParameters	pointToEllipse (const QPointF &posScreen) const
	Return ellipse representing constant range, that passes through the specified point.
virtual QLineF	pointToLine (const QPointF &posScreen) const
	Return line parallel to an axis line, that passes through the specified point.
virtual QString	stateName () const
	Name of state as a string for debugging only.
Public Member Functions inherited from GuidelineStateHandleAbstract
	GuidelineStateHandleAbstract (GuidelineStateContext &context)
	Single constructor.
virtual	~GuidelineStateHandleAbstract ()
virtual bool	doPaint () const
	Allow/skip painting of the owner Guideline.
virtual void	handleActiveChange (bool active)
	DigitizeState change so active status may (or may not) be toggled.
virtual void	handleGuidelineMode (bool visible, bool locked)
	User toggled Guideline visibility and/or locked mode.
virtual void	handleHoverEnterEvent ()
	If transparent then make visible when hover starts.
virtual void	handleHoverLeaveEvent ()
	If previously transparent before hover enter then make transparent again.
virtual void	handleMousePress (const QPointF &posScene)
	At the start of dragging, convert the Guideline into an invisible handle and visible slaved deployed Guideline.
virtual void	handleTimeout ()
	Handle timeout from Appearing state.
virtual void	updateWithLatestTransformation ()
	Update given Transformation in GuidelineStateContext.
Public Member Functions inherited from GuidelineStateAbstractBase
	GuidelineStateAbstractBase (GuidelineStateContext &context)
	Single constructor.
virtual	~GuidelineStateAbstractBase ()

Additional Inherited Members
Protected Member Functions inherited from GuidelineStateHandleAbstract
void	beginCommon ()
Protected Member Functions inherited from GuidelineStateAbstractBase
GuidelineStateContext &	context () const
	Context in charge of the state classes.
void	handleMousePressCommon (const QPointF &posAbsolute, GuidelineState stateHandle, GuidelineState stateDeployed)
	Common mouse press handling.
QRectF	sceneRect () const
	Scene rectangle in screen coordinates (=pixels).

Detailed Description

GuidelineStateHandleAbstract instantiated for theta R guideline.

Definition at line 13 of file GuidelineStateHandleT.h.

Constructor & Destructor Documentation

GuidelineStateHandleT()

GuidelineStateHandleT::GuidelineStateHandleT

(

GuidelineStateContext &

context

)

Single constructor.

Definition at line 17 of file GuidelineStateHandleT.cpp.

                                                                            :
  GuidelineStateHandleAbstract (context)
{
}

~GuidelineStateHandleT()

GuidelineStateHandleT::~GuidelineStateHandleT ( )

virtual

Definition at line 22 of file GuidelineStateHandleT.cpp.

{
}

Member Function Documentation

begin()

void GuidelineStateHandleT::begin ( )

virtual

Transition into state.

Implements GuidelineStateAbstractBase.

Definition at line 26 of file GuidelineStateHandleT.cpp.

{
  LOG4CPP_INFO_S ((*mainCat)) << "GuidelineStateHandleT::begin"
                              << " identifier=" << context().guideline().identifier().toLatin1().data();
 
  beginCommon ();
}

convertGraphCoordinateToScreenPoint()

QPointF GuidelineStateHandleT::convertGraphCoordinateToScreenPoint ( double valueGraph ) const

virtual

Convert single graph coordinate into screen point pair.

Implements GuidelineStateAbstractBase.

Definition at line 34 of file GuidelineStateHandleT.cpp.

{
  const double ARBITRARY_RANGE = 0; // Value that is legal in all cases (with log never applying)
  QPointF posScreen;
  context().transformation().transformRawGraphToScreen (QPointF (valueGraph,
                                                                 ARBITRARY_RANGE),
                                                        posScreen);
 
  LOG4CPP_DEBUG_S ((*mainCat)) << "GuidelineStateHandleT::convertGraphCoordinateToScreenPoint"
                               << " pos=(" << posScreen.x() << ", " << posScreen.y() << ")";
 
  return posScreen;
}

convertScreenPointToGraphCoordinate()

double GuidelineStateHandleT::convertScreenPointToGraphCoordinate ( const QPointF & posScreen ) const

virtual

Convert screen point pair into single graph coordinate.

Implements GuidelineStateAbstractBase.

Definition at line 48 of file GuidelineStateHandleT.cpp.

{
  QPointF posGraph;
  context().transformation().transformScreenToRawGraph (posScreen,
                                                        posGraph);
 
  LOG4CPP_DEBUG_S ((*mainCat)) << "GuidelineStateHandleT::convertScreenPointToGraphCoordinate"
                               << " pos=(" << posGraph.x() << ", " << posGraph.y() << ")";
 
  return posGraph.x();
}

end()

void GuidelineStateHandleT::end ( )

virtual

Transition out of state.

Implements GuidelineStateAbstractBase.

Definition at line 60 of file GuidelineStateHandleT.cpp.

{
  LOG4CPP_INFO_S ((*mainCat)) << "GuidelineStateHandleT::end";
}

handleMouseRelease()

void GuidelineStateHandleT::handleMouseRelease ( const QPointF & posScene )

virtual

At the end of dragging, clone the Guideline that owns the state machine where these states live.

Implements GuidelineStateAbstractBase.

Definition at line 65 of file GuidelineStateHandleT.cpp.

{
  LOG4CPP_DEBUG_S ((*mainCat)) << "GuidelineStateHandleT::handleMouseRelease";
 
  context().guideline().sacrificeHandleAndVisibleGuidelines(posScene,
                                                            GUIDELINE_STATE_DEPLOYED_CONSTANT_T_SELECT_EDIT);
  context().requestStateTransition (GUIDELINE_STATE_DISCARDED);
}

pointToEllipse()

EllipseParameters GuidelineStateHandleT::pointToEllipse ( const QPointF & posScreen ) const

virtual

Return ellipse representing constant range, that passes through the specified point.

Implements GuidelineStateAbstractBase.

Definition at line 74 of file GuidelineStateHandleT.cpp.

{
  // pointToLine applies in this state
  return EllipseParameters();
}

pointToLine()

QLineF GuidelineStateHandleT::pointToLine ( const QPointF & posScreen ) const

virtual

Return line parallel to an axis line, that passes through the specified point.

Implements GuidelineStateAbstractBase.

Definition at line 80 of file GuidelineStateHandleT.cpp.

{
  GuidelineProjectorConstantT projector;
 
  return projector.fromPosScreen (context().transformation(),
                                  sceneRect (),
                                  posScreen);
}

stateName()

QString GuidelineStateHandleT::stateName ( ) const

virtual

Name of state as a string for debugging only.

Implements GuidelineStateAbstractBase.

Definition at line 89 of file GuidelineStateHandleT.cpp.

{
  return guidelineStateAsString (GUIDELINE_STATE_HANDLE_T);
}

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

• Guideline/GuidelineStateHandleT.h
• Guideline/GuidelineStateHandleT.cpp