KisAspectRatioLocker Class Reference

#include <kis_aspect_ratio_locker.h>

Inheritance diagram for KisAspectRatioLocker:

Classes
struct	Private

Signals
void	aspectButtonChanged ()
void	aspectButtonToggled (bool value)
void	sliderValueChanged ()

Public Member Functions
template<class AngleBoxType >
void	connectAngleBoxes (AngleBoxType *spinOne, AngleBoxType *spinTwo, KoAspectButton *aspectButton)
template<class SpinBoxType >
void	connectSpinBoxes (SpinBoxType *spinOne, SpinBoxType *spinTwo, KoAspectButton *aspectButton)
	KisAspectRatioLocker (QObject *parent=0)
void	setBlockUpdateSignalOnDrag (bool block)
void	updateAspect ()
	~KisAspectRatioLocker () override

Private Slots
void	slotAspectButtonChanged ()
void	slotSpinDraggingFinished ()
void	slotSpinOneChanged ()
void	slotSpinTwoChanged ()

Private Attributes
const QScopedPointer< Private >	m_d

Detailed Description

Definition at line 20 of file kis_aspect_ratio_locker.h.

Constructor & Destructor Documentation

KisAspectRatioLocker()

KisAspectRatioLocker::KisAspectRatioLocker

(

QObject *

parent = 0

)

Definition at line 140 of file kis_aspect_ratio_locker.cpp.

    : QObject(parent),
      m_d(new Private)
{
}

~KisAspectRatioLocker()

KisAspectRatioLocker::~KisAspectRatioLocker ( )

override

Definition at line 146 of file kis_aspect_ratio_locker.cpp.

{
}

Member Function Documentation

aspectButtonChanged

void KisAspectRatioLocker::aspectButtonChanged ( )

signal

aspectButtonToggled

void KisAspectRatioLocker::aspectButtonToggled ( bool value )

signal

connectAngleBoxes()

template<class AngleBoxType >

template KRITAUI_EXPORT void KisAspectRatioLocker::connectAngleBoxes	(	AngleBoxType *	spinOne,
		AngleBoxType *	spinTwo,
		KoAspectButton *	aspectButton )

Definition at line 173 of file kis_aspect_ratio_locker.cpp.

{
    m_d->spinOne.reset(new SliderWrapper(spinOne));
    m_d->spinTwo.reset(new SliderWrapper(spinTwo));
    m_d->aspectButton = aspectButton;
 
    connect(spinOne, SIGNAL(angleChanged(qreal)), SLOT(slotSpinOneChanged()));
    connect(spinTwo, SIGNAL(angleChanged(qreal)), SLOT(slotSpinTwoChanged()));
 
    connect(m_d->aspectButton, SIGNAL(keepAspectRatioChanged(bool)), SLOT(slotAspectButtonChanged()));
    slotAspectButtonChanged();
}

References connect(), m_d, slotAspectButtonChanged(), slotSpinOneChanged(), and slotSpinTwoChanged().

connectSpinBoxes()

template<class SpinBoxType >

template KRITAUI_EXPORT void KisAspectRatioLocker::connectSpinBoxes	(	SpinBoxType *	spinOne,
		SpinBoxType *	spinTwo,
		KoAspectButton *	aspectButton )

Definition at line 151 of file kis_aspect_ratio_locker.cpp.

{
    m_d->spinOne.reset(new SliderWrapper(spinOne));
    m_d->spinTwo.reset(new SliderWrapper(spinTwo));
    m_d->aspectButton = aspectButton;
 
    if (QVariant::fromValue(spinOne->value()).type() == QVariant::Double) {
        connect(spinOne, SIGNAL(valueChanged(qreal)), SLOT(slotSpinOneChanged()));
        connect(spinTwo, SIGNAL(valueChanged(qreal)), SLOT(slotSpinTwoChanged()));
    } else {
        connect(spinOne, SIGNAL(valueChanged(int)), SLOT(slotSpinOneChanged()));
        connect(spinTwo, SIGNAL(valueChanged(int)), SLOT(slotSpinTwoChanged()));
    }
 
    m_d->spinOne->connectDraggingFinished(this, SLOT(slotSpinDraggingFinished()));
    m_d->spinTwo->connectDraggingFinished(this, SLOT(slotSpinDraggingFinished()));
 
    connect(m_d->aspectButton, SIGNAL(keepAspectRatioChanged(bool)), SLOT(slotAspectButtonChanged()));
    slotAspectButtonChanged();
}

References connect(), m_d, slotAspectButtonChanged(), slotSpinDraggingFinished(), slotSpinOneChanged(), and slotSpinTwoChanged().

setBlockUpdateSignalOnDrag()

void KisAspectRatioLocker::setBlockUpdateSignalOnDrag

(

bool

block

)

Definition at line 244 of file kis_aspect_ratio_locker.cpp.

{
    m_d->blockUpdatesOnDrag = value;
}

References m_d, and value().

sliderValueChanged

void KisAspectRatioLocker::sliderValueChanged ( )

signal

slotAspectButtonChanged

void KisAspectRatioLocker::slotAspectButtonChanged ( )

privateslot

Definition at line 221 of file kis_aspect_ratio_locker.cpp.

{
    if (m_d->aspectButton->keepAspectRatio() &&
        m_d->spinTwo->value() > 0 &&
        m_d->spinOne->value() > 0) {
        m_d->aspectRatio = qreal(m_d->spinTwo->value()) / m_d->spinOne->value();
    } else {
        m_d->aspectRatio = 1.0;
    }
 
    if (!m_d->spinTwo->isDragging()) {
        Q_EMIT aspectButtonChanged();
        Q_EMIT aspectButtonToggled(m_d->aspectButton->keepAspectRatio());
    }
}

References aspectButtonChanged(), aspectButtonToggled(), and m_d.

slotSpinDraggingFinished

void KisAspectRatioLocker::slotSpinDraggingFinished ( )

privateslot

Definition at line 237 of file kis_aspect_ratio_locker.cpp.

{
    if (m_d->blockUpdatesOnDrag) {
        Q_EMIT sliderValueChanged();
    }
}

References m_d, and sliderValueChanged().

slotSpinOneChanged

void KisAspectRatioLocker::slotSpinOneChanged ( )

privateslot

Definition at line 197 of file kis_aspect_ratio_locker.cpp.

{
    if (m_d->aspectButton->keepAspectRatio()) {
        KisSignalsBlocker b(m_d->spinTwo->object());
        m_d->spinTwo->setValue(m_d->aspectRatio * m_d->spinOne->value());
    }
 
    if (!m_d->blockUpdatesOnDrag || !m_d->spinOne->isDragging()) {
        Q_EMIT sliderValueChanged();
    }
}

References m_d, and sliderValueChanged().

slotSpinTwoChanged

void KisAspectRatioLocker::slotSpinTwoChanged ( )

privateslot

Definition at line 209 of file kis_aspect_ratio_locker.cpp.

{
    if (m_d->aspectButton->keepAspectRatio()) {
        KisSignalsBlocker b(m_d->spinOne->object());
        m_d->spinOne->setValue(m_d->spinTwo->value() / m_d->aspectRatio);
    }
 
    if (!m_d->blockUpdatesOnDrag || !m_d->spinTwo->isDragging()) {
        Q_EMIT sliderValueChanged();
    }
}

References m_d, and sliderValueChanged().

updateAspect()

void KisAspectRatioLocker::updateAspect

(

)

Definition at line 249 of file kis_aspect_ratio_locker.cpp.

{
    KisSignalsBlocker b(this);
    slotAspectButtonChanged();
}

References slotAspectButtonChanged().

Member Data Documentation

m_d

const QScopedPointer<Private> KisAspectRatioLocker::m_d

private

Definition at line 49 of file kis_aspect_ratio_locker.h.

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

• libs/ui/kis_aspect_ratio_locker.h
• libs/ui/kis_aspect_ratio_locker.cpp