cxDoubleWidgets.cpp

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/*=========================================================================
This file is part of CustusX, an Image Guided Therapy Application.

Copyright (c) 2008-2014, SINTEF Department of Medical Technology
All rights reserved.

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   may be used to endorse or promote products derived from this software 
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#include "cxDoubleWidgets.h"

#include <iostream>
#include "cxVector3D.h"
#include "cxTypeConversions.h"
#include "cxMousePadWidget.h"
#include "cxHelperWidgets.h"

namespace cx
{

ScalarInteractionWidget::ScalarInteractionWidget(QWidget* parent, DoublePropertyBasePtr dataInterface) :
    OptimizedUpdateWidget(parent), mSlider(NULL), mDial(NULL), mSpinBox(NULL), mLabel(NULL), mEdit(NULL), mInfiniteSlider(NULL)
{
        mData = dataInterface;
    connect(mData.get(), SIGNAL(changed()), this, SLOT(setModified()));
    this->enableAll(mData->getEnabled());
}

void ScalarInteractionWidget::enableLabel()
{
        mLabel = new QLabel(this);
        mLabel->setText(mData->getDisplayName());
}

void ScalarInteractionWidget::showLabel(bool on)
{
        if (mLabel)
                mLabel->setVisible(on);
}

void ScalarInteractionWidget::enableSlider()
{
        mSlider = new DoubleSlider(this);
    mSlider->setMinimumWidth(50);
    mSlider->setOrientation(Qt::Horizontal);
    connect(mSlider, SIGNAL(doubleValueChanged(double)), this, SLOT(doubleValueChanged(double)));
}

void ScalarInteractionWidget::enableDial()
{
        mDial = new QDial(this);
        mDial->setMaximumWidth(50);
        mDial->setMaximumHeight(50);
        mDial->setNotchesVisible(true);
    connect(mDial, SIGNAL(valueChanged(int)), this, SLOT(intValueChanged(int)));
}

void ScalarInteractionWidget::enableInfiniteSlider()
{
        QSize minBarSize = QSize(20, 20);
        mInfiniteSlider = new MousePadWidget(this, minBarSize);
        mInfiniteSlider->setFixedYPos(true);
        connect(mInfiniteSlider, SIGNAL(mouseMoved(QPointF)), this, SLOT(infiniteSliderMouseMoved(QPointF)));
}

void ScalarInteractionWidget::infiniteSliderMouseMoved(QPointF delta)
{
        double scale = mData->getValueRange().range() / 2.0;
        //  double scale = M_PI_2;
        double factor = scale * delta.x();
        double current = mData->getValue();
        mData->setValue(current + factor);
}

void ScalarInteractionWidget::enableEdit()
{
        mEdit = new DoubleLineEdit(this);
        connect(mEdit, SIGNAL(editingFinished()), this, SLOT(textEditedSlot()));
}

void ScalarInteractionWidget::enableSpinBox()
{
        mSpinBox = new QDoubleSpinBox(this);
        connect(mSpinBox, SIGNAL(valueChanged(double)), this, SLOT(doubleValueChanged(double)));
}

void ScalarInteractionWidget::addToOwnLayout()
{
        QHBoxLayout* topLayout = new QHBoxLayout;
        topLayout->setMargin(0);
        topLayout->setSpacing(0);
        this->setLayout(topLayout);

        if (mLabel)
                topLayout->addWidget(mLabel, 0);
        if (mEdit)
                topLayout->addWidget(mEdit, 0);
        if (mSpinBox)
                topLayout->addWidget(mSpinBox, 0);
        if (mDial)
                topLayout->addWidget(mDial, 0);
        if (mSlider)
                topLayout->addWidget(mSlider, 1);
        if (mInfiniteSlider)
                topLayout->addWidget(mInfiniteSlider, 1);
}

void ScalarInteractionWidget::addToGridLayout(QGridLayout* gridLayout, int row)
{
        //Since SliderGroupWidget (this) is a widget we need to add this.
    //If not we will get an invisible widget on top of all the other widgets of the parent
    gridLayout->addLayout(mergeWidgetsIntoHBoxLayout(mLabel, addDummyMargin(this)), row, 0);

    QHBoxLayout* controlsLayout = new QHBoxLayout;
    controlsLayout->setSpacing(0);
    controlsLayout->setMargin(0);
    gridLayout->addLayout(controlsLayout, row, 1);


    if (mEdit)
        controlsLayout->addWidget(mEdit);
        if (mSpinBox)
        controlsLayout->addWidget(mSpinBox);
        if (mDial)
                gridLayout->addWidget(mDial, row, 2);
        if (mSlider)
        controlsLayout->addWidget(mSlider, 1);
        if (mInfiniteSlider)
        controlsLayout->addWidget(mInfiniteSlider, 1);
}

void ScalarInteractionWidget::build(QGridLayout* gridLayout, int row)
{
        if (gridLayout)
                this->addToGridLayout(gridLayout, row);
        else
                this->addToOwnLayout();

    this->setModified();
}


void ScalarInteractionWidget::intValueChanged(int val)
{
        this->doubleValueChanged(val/100.0);
}


void ScalarInteractionWidget::doubleValueChanged(double val)
{
        val = mData->convertDisplay2Internal(val);

        if (similar(val, mData->getValue()))
                return;

        mData->setValue(val);
}

void ScalarInteractionWidget::textEditedSlot()
{
        if (!mEdit)
                return;

        double defVal = mData->convertInternal2Display(mData->getValue()); // defval in display space
        double newVal = mData->convertDisplay2Internal(mEdit->getDoubleValue(defVal)); // newval iin internal space

        if (similar(newVal, mData->getValue()))
                return;

        mData->setValue(newVal);
}

//void ScalarInteractionWidget::setModified()
//{
//      OptimizedUpdateWidget::setModified();
//    // Problem: If one of the sliders are visible, paint() is not called.
//    // Force repaint here.
//    //
//    // Possible solution: this is obscured by the slider,
//    // but repaint goes to the children. Maybe design is flawed and we need to
//    // listen to the children as well?
//}

void ScalarInteractionWidget::prePaintEvent()
{
        this->enableAll(mData->getEnabled());

//    std::cout << "ScalarInteractionWidget::prePaintEvent() " << this << " " << mData->getDisplayName() << std::endl;
        DoubleRange range = mData->getValueRange();
        DoubleRange dRange(mData->convertInternal2Display(range.min()), mData->convertInternal2Display(range.max()),
                mData->convertInternal2Display(range.step()));

        if (mSlider)
        {
                mSlider->blockSignals(true);
                mSlider->setDoubleRange(dRange); // in case the image is changed
                mSlider->setDoubleValue(mData->convertInternal2Display(mData->getValue()));
                mSlider->setToolTip(mData->getHelp());
                mSlider->blockSignals(false);
        }

        if (mEdit)
        {
                mEdit->blockSignals(true);
                mEdit->setDoubleValue(mData->convertInternal2Display(mData->getValue()));
                mEdit->setToolTip(mData->getHelp());
                mEdit->blockSignals(false);
        }

        if (mSpinBox)
        {
                mSpinBox->blockSignals(true);
                mSpinBox->setRange(dRange.min(), dRange.max()); // in case the image is changed
                mSpinBox->setSingleStep(dRange.step());
                mSpinBox->setDecimals(mData->getValueDecimals());
                mSpinBox->setValue(mData->convertInternal2Display(mData->getValue()));
                mSpinBox->setToolTip(mData->getHelp());
                mSpinBox->blockSignals(false);
        }

        if (mDial)
        {
                mDial->blockSignals(true);
                mDial->setContentsMargins(0,0,0,0);
                mDial->setRange(dRange.min()*100, dRange.max()*100);
                mDial->setSingleStep(dRange.step()*100);
                mDial->setValue(mData->convertInternal2Display(mData->getValue())*100);
                mDial->setToolTip(mData->getHelp());
                mDial->blockSignals(false);
        }

        if (mLabel)
        {
                mLabel->setToolTip(mData->getHelp());
        }
}

void ScalarInteractionWidget::enableAll(bool enable)
{
    QWidget::setEnabled(enable);

    if(mSlider)
                mSlider->setEnabled(enable);
        if(mSpinBox)
                mSpinBox->setEnabled(enable);
        if(mLabel)
                mLabel->setEnabled(enable);
        if(mEdit)
                mEdit->setEnabled(enable);
        if(mInfiniteSlider)
                mInfiniteSlider->setEnabled(enable);
}

// --------------------------------------------------------
// --------------------------------------------------------

// --------------------------------------------------------
// --------------------------------------------------------


QSize DoubleLineEdit::sizeHint() const
{
        QSize size = QLineEdit::minimumSizeHint();
        size.setWidth(size.height() * 3);
        return size;
}

QSize DoubleLineEdit::minimumSizeHint() const
{
        QSize size = QLineEdit::minimumSizeHint();
        return size;
}

// --------------------------------------------------------
// --------------------------------------------------------

SliderGroupWidget::SliderGroupWidget(QWidget* parent, DoublePropertyBasePtr dataInterface, QGridLayout* gridLayout,
        int row) :
        ScalarInteractionWidget(parent, dataInterface)
{
        this->enableLabel();
        this->enableSlider();
        this->enableEdit();

        this->build(gridLayout, row);
}

// --------------------------------------------------------
// --------------------------------------------------------

SpinBoxGroupWidget::SpinBoxGroupWidget(QWidget* parent, DoublePropertyBasePtr dataInterface,
        QGridLayout* gridLayout, int row) :
        ScalarInteractionWidget(parent, dataInterface)
{
        this->enableLabel();
        this->enableSpinBox();

        this->build(gridLayout, row);
}

// --------------------------------------------------------

SpinBoxAndSliderGroupWidget::SpinBoxAndSliderGroupWidget(QWidget* parent, DoublePropertyBasePtr dataInterface,
        QGridLayout* gridLayout, int row) :
        ScalarInteractionWidget(parent, dataInterface)
{
        this->enableLabel();
        this->enableSpinBox();
        this->enableSlider();

        this->build(gridLayout, row);
}
// --------------------------------------------------------
SpinBoxAndDialGroupWidget::SpinBoxAndDialGroupWidget(QWidget* parent, DoublePropertyBasePtr dataInterface,
        QGridLayout* gridLayout, int row) :
        ScalarInteractionWidget(parent, dataInterface)
{
        this->enableLabel();
        this->enableSpinBox();
        this->enableDial();

        this->build(gridLayout, row);
}

// --------------------------------------------------------

SpinBoxInfiniteSliderGroupWidget::SpinBoxInfiniteSliderGroupWidget(QWidget* parent,
        DoublePropertyBasePtr dataInterface, QGridLayout* gridLayout, int row) :
        ScalarInteractionWidget(parent, dataInterface)
{
        this->enableLabel();
        this->enableSpinBox();
        this->enableInfiniteSlider();

        this->build(gridLayout, row);
}

} // namespace cx