Engauge Digitizer 2
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GuidelineStateDeployedConstantYSelectEditAppearing Class Reference

Implements guideline behavior for GUIDELINE_STATE_DEPLOYED_CONSTANT_Y_APPEARING. More...

#include <GuidelineStateDeployedConstantYSelectEditAppearing.h>

Inheritance diagram for GuidelineStateDeployedConstantYSelectEditAppearing:
Inheritance graph
Collaboration diagram for GuidelineStateDeployedConstantYSelectEditAppearing:
Collaboration graph

Public Member Functions

 GuidelineStateDeployedConstantYSelectEditAppearing (GuidelineStateContext &context)
 Single constructor.
virtual ~GuidelineStateDeployedConstantYSelectEditAppearing ()
virtual void begin ()
 Transition into state.
virtual bool doPaint () const
 Allow/skip painting of the owner Guideline.
virtual void end ()
 Transition out of state.
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 QString stateName () const
 Name of state as a string for debugging only.
Public Member Functions inherited from GuidelineStateDeployedConstantYAbstract
 GuidelineStateDeployedConstantYAbstract (GuidelineStateContext &context)
 Single constructor.
virtual ~GuidelineStateDeployedConstantYAbstract ()
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 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 void updateWithLatestTransformation ()
 Update given Transformation in GuidelineStateContext.
Public Member Functions inherited from GuidelineStateDeployedAbstract
 GuidelineStateDeployedAbstract (GuidelineStateContext &context)
 Single constructor.
virtual ~GuidelineStateDeployedAbstract ()
virtual void handleMouseRelease (const QPointF &posScene)
 At the end of dragging, clone the Guideline that owns the state machine where these states live.
Public Member Functions inherited from GuidelineStateAbstractBase
 GuidelineStateAbstractBase (GuidelineStateContext &context)
 Single constructor.
virtual ~GuidelineStateAbstractBase ()

Additional Inherited Members

Protected Member Functions inherited from GuidelineStateDeployedAbstract
void beginCommon (bool hovering, bool locked)
 Initialization common to all states.
Protected Member Functions inherited from GuidelineStateAbstractBase
GuidelineStateContextcontext () 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

Implements guideline behavior for GUIDELINE_STATE_DEPLOYED_CONSTANT_Y_APPEARING.

This acts just like GUIDELINE_STATE_DEPLOYED_CONSTANT_Y_SELECT_EDIT but is drawn much bigger, then transitions to the other state after a timeout

Definition at line 17 of file GuidelineStateDeployedConstantYSelectEditAppearing.h.

Constructor & Destructor Documentation

◆ GuidelineStateDeployedConstantYSelectEditAppearing()

GuidelineStateDeployedConstantYSelectEditAppearing::GuidelineStateDeployedConstantYSelectEditAppearing ( GuidelineStateContext & context)

Single constructor.

Definition at line 17 of file GuidelineStateDeployedConstantYSelectEditAppearing.cpp.

17 :
19 m_timer (nullptr)
20{
21 m_timer = new QTimer ();
22 m_timer->setSingleShot (true);
23}
GuidelineStateContext & context() const
Context in charge of the state classes.
GuidelineStateDeployedConstantYAbstract(GuidelineStateContext &context)
Single constructor.

◆ ~GuidelineStateDeployedConstantYSelectEditAppearing()

GuidelineStateDeployedConstantYSelectEditAppearing::~GuidelineStateDeployedConstantYSelectEditAppearing ( )
virtual

Definition at line 25 of file GuidelineStateDeployedConstantYSelectEditAppearing.cpp.

26{
27}

Member Function Documentation

◆ begin()

void GuidelineStateDeployedConstantYSelectEditAppearing::begin ( )
virtual

Transition into state.

Implements GuidelineStateAbstractBase.

Definition at line 29 of file GuidelineStateDeployedConstantYSelectEditAppearing.cpp.

30{
31 LOG4CPP_INFO_S ((*mainCat)) << "GuidelineStateDeployedConstantYSelectEditAppearing::begin"
32 << " identifier=" << context().guideline().identifier().toLatin1().data();
33
34 beginCommon (true,
35 false);
36
37 context().guideline().setGraphicsItemVisible (true); // Stop hover and painting (doPoint only stops painting)
38
39 // (Re)connect to timer
40 QObject::connect (m_timer, SIGNAL (timeout ()), &context(), SLOT (slotTimeout ()));
41 m_timer->start (APPEARING_TIMEOUT);
42}
const int APPEARING_TIMEOUT
Milliseconds before transition from Appearing state to Active state.
log4cpp::Category * mainCat
Definition Logger.cpp:14
virtual QString identifier() const =0
Unique identifier from QGraphicsItem.
virtual void setGraphicsItemVisible(bool visible)=0
Wrapper for QGraphicsItem::setVisible.
GuidelineAbstract & guideline()
Guideline that owns this context class.
void beginCommon(bool hovering, bool locked)
Initialization common to all states.
#define LOG4CPP_INFO_S(logger)
Definition convenience.h:18

◆ doPaint()

bool GuidelineStateDeployedConstantYSelectEditAppearing::doPaint ( ) const
virtual

Allow/skip painting of the owner Guideline.

This prevents display of selection markings on otherwise-invisible handle Guideline

Implements GuidelineStateAbstractBase.

Definition at line 44 of file GuidelineStateDeployedConstantYSelectEditAppearing.cpp.

45{
46 return true;
47}

◆ end()

void GuidelineStateDeployedConstantYSelectEditAppearing::end ( )
virtual

Transition out of state.

Reimplemented from GuidelineStateDeployedAbstract.

Definition at line 49 of file GuidelineStateDeployedConstantYSelectEditAppearing.cpp.

50{
51 LOG4CPP_INFO_S ((*mainCat)) << "GuidelineStateDeployedConstantYSelectEditAppearing::end";
52
53 // Cancel timer if active so it does not interrupt the next state
54 QObject::disconnect (m_timer, SIGNAL (timeout ()), &context(), SLOT (slotTimeout ()));
55}

◆ handleActiveChange()

void GuidelineStateDeployedConstantYSelectEditAppearing::handleActiveChange ( bool active)
virtual

DigitizeState change so active status may (or may not) be toggled.

Implements GuidelineStateAbstractBase.

Definition at line 57 of file GuidelineStateDeployedConstantYSelectEditAppearing.cpp.

58{
59 if (!active) {
61 }
62}
@ GUIDELINE_STATE_DEPLOYED_CONSTANT_Y_UNSELECT_EDIT
void requestStateTransition(GuidelineState guidelineState)
Request a state transition.

◆ handleGuidelineMode()

void GuidelineStateDeployedConstantYSelectEditAppearing::handleGuidelineMode ( bool visibility,
bool locked )
virtual

User toggled Guideline visibility and/or locked mode.

Implements GuidelineStateAbstractBase.

Definition at line 64 of file GuidelineStateDeployedConstantYSelectEditAppearing.cpp.

66{
67 // Currently visible and not locked
68 if (visible && locked) {
70 } else if (!visible) {
72 }
73}
@ GUIDELINE_STATE_DEPLOYED_CONSTANT_Y_SELECT_LOCK
@ GUIDELINE_STATE_DEPLOYED_CONSTANT_Y_SELECT_HIDE

◆ handleHoverEnterEvent()

void GuidelineStateDeployedConstantYSelectEditAppearing::handleHoverEnterEvent ( )
virtual

If transparent then make visible when hover starts.

Implements GuidelineStateAbstractBase.

Definition at line 75 of file GuidelineStateDeployedConstantYSelectEditAppearing.cpp.

◆ handleHoverLeaveEvent()

void GuidelineStateDeployedConstantYSelectEditAppearing::handleHoverLeaveEvent ( )
virtual

If previously transparent before hover enter then make transparent again.

Implements GuidelineStateAbstractBase.

Definition at line 80 of file GuidelineStateDeployedConstantYSelectEditAppearing.cpp.

81{
82}

◆ handleMousePress()

void GuidelineStateDeployedConstantYSelectEditAppearing::handleMousePress ( const QPointF & posScene)
virtual

At the start of dragging, convert the Guideline into an invisible handle and visible slaved deployed Guideline.

Implements GuidelineStateAbstractBase.

Definition at line 84 of file GuidelineStateDeployedConstantYSelectEditAppearing.cpp.

85{
86 handleMousePressCommon (posScene,
89}
@ GUIDELINE_STATE_HANDLE_Y
@ GUIDELINE_STATE_DEPLOYED_CONSTANT_Y_SELECT_EDIT
void handleMousePressCommon(const QPointF &posAbsolute, GuidelineState stateHandle, GuidelineState stateDeployed)
Common mouse press handling.

◆ handleTimeout()

void GuidelineStateDeployedConstantYSelectEditAppearing::handleTimeout ( )
virtual

Handle timeout from Appearing state.

Reimplemented from GuidelineStateDeployedAbstract.

Definition at line 91 of file GuidelineStateDeployedConstantYSelectEditAppearing.cpp.

◆ stateName()

QString GuidelineStateDeployedConstantYSelectEditAppearing::stateName ( ) const
virtual

Name of state as a string for debugging only.

Implements GuidelineStateAbstractBase.

Definition at line 96 of file GuidelineStateDeployedConstantYSelectEditAppearing.cpp.

97{
99}
QString guidelineStateAsString(GuidelineState state)
@ GUIDELINE_STATE_DEPLOYED_CONSTANT_Y_SELECT_EDIT_APPEARING

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