qtdeclarative/tools/easingcurveeditor/segmentproperties.cpp

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#include "segmentproperties.h"
#include "splineeditor.h"

SegmentProperties::SegmentProperties(QWidget *parent) :
    QWidget(parent), m_splineEditor(0), m_blockSignals(false)
{
    QVBoxLayout *layout = new QVBoxLayout(this);
    layout->setMargin(0);
    layout->setSpacing(2);
    setLayout(layout);
    {
        QWidget *widget = new QWidget(this);
        m_ui_pane_c1.setupUi(widget);
        m_ui_pane_c1.label->setText("c1");
        m_ui_pane_c1.smooth->setVisible(false);
        layout->addWidget(widget);

        connect(m_ui_pane_c1.p1_x, SIGNAL(valueChanged(double)), this, SLOT(c1Updated()));
        connect(m_ui_pane_c1.p1_y, SIGNAL(valueChanged(double)), this, SLOT(c1Updated()));
    }
    {
        QWidget *widget = new QWidget(this);
        m_ui_pane_c2.setupUi(widget);
        m_ui_pane_c2.label->setText("c2");
        m_ui_pane_c2.smooth->setVisible(false);
        layout->addWidget(widget);

        connect(m_ui_pane_c2.p1_x, SIGNAL(valueChanged(double)), this, SLOT(c2Updated()));
        connect(m_ui_pane_c2.p1_y, SIGNAL(valueChanged(double)), this, SLOT(c2Updated()));
    }
    {
        QWidget *widget = new QWidget(this);
        m_ui_pane_p.setupUi(widget);
        m_ui_pane_p.label->setText("p1");
        layout->addWidget(widget);

        connect(m_ui_pane_p.smooth, SIGNAL(toggled(bool)), this, SLOT(pUpdated()));
        connect(m_ui_pane_p.p1_x, SIGNAL(valueChanged(double)), this, SLOT(pUpdated()));
        connect(m_ui_pane_p.p1_y, SIGNAL(valueChanged(double)), this, SLOT(pUpdated()));
    }
}

void SegmentProperties::c1Updated()
{
    if (m_splineEditor && !m_blockSignals) {
        QPointF c1(m_ui_pane_c1.p1_x->value(), m_ui_pane_c1.p1_y->value());
        m_splineEditor->setControlPoint(m_segment * 3, c1);
    }
}

void SegmentProperties::c2Updated()
{
    if (m_splineEditor && !m_blockSignals) {
        QPointF c2(m_ui_pane_c2.p1_x->value(), m_ui_pane_c2.p1_y->value());
        m_splineEditor->setControlPoint(m_segment * 3 + 1, c2);
    }
}

void SegmentProperties::pUpdated()
{
    if (m_splineEditor && !m_blockSignals) {
        QPointF p(m_ui_pane_p.p1_x->value(), m_ui_pane_p.p1_y->value());
        bool smooth = m_ui_pane_p.smooth->isChecked();
        m_splineEditor->setControlPoint(m_segment * 3 + 2, p);
        m_splineEditor->setSmooth(m_segment, smooth);
    }
}

void SegmentProperties::invalidate()
{
    m_blockSignals = true;

     m_ui_pane_p.label->setText(QLatin1String("p") + QString::number(m_segment));
     m_ui_pane_p.smooth->setChecked(m_smooth);
     m_ui_pane_p.smooth->parentWidget()->setEnabled(!m_last);

     m_ui_pane_c1.p1_x->setValue(m_points.at(0).x());
     m_ui_pane_c1.p1_y->setValue(m_points.at(0).y());

     m_ui_pane_c2.p1_x->setValue(m_points.at(1).x());
     m_ui_pane_c2.p1_y->setValue(m_points.at(1).y());

     m_ui_pane_p.p1_x->setValue(m_points.at(2).x());
     m_ui_pane_p.p1_y->setValue(m_points.at(2).y());

     m_blockSignals = false;
}