File indexing completed on 2024-04-21 03:42:10

 /*
     KmPlot - a math. function plotter for the KDE-Desktop
 
     SPDX-FileCopyrightText: 2006 David Saxton <david@bluehaze.org>
 
     This file is part of the KDE Project.
     KmPlot is part of the KDE-EDU Project.
 
     SPDX-License-Identifier: GPL-2.0-or-later
 */
 
 #include "plotstylewidget.h"
 #include "kgradientdialog.h"
 #include "ui_plotstylewidget.h"
 
 #include <KColorButton>
 
 #include <QDialog>
 #include <QDialogButtonBox>
 #include <QHBoxLayout>
 #include <QLabel>
 
 class PlotStyleDialogWidget : public QWidget, public Ui::PlotStyleWidget
 {
 public:
     PlotStyleDialogWidget(QWidget *parent = nullptr)
         : QWidget(parent)
     {
         setupUi(this);
         lineStyle->addItem(i18n("Solid"), int(Qt::SolidLine));
         lineStyle->addItem(i18n("Dash"), int(Qt::DashLine));
         lineStyle->addItem(i18n("Dot"), int(Qt::DotLine));
         lineStyle->addItem(i18n("Dash Dot"), int(Qt::DashDotLine));
         lineStyle->addItem(i18n("Dash Dot Dot"), int(Qt::DashDotDotLine));
     }
 };
 
 // BEGIN class PlotStyleWidget
 PlotStyleWidget::PlotStyleWidget(QWidget *parent)
     : QGroupBox(parent)
 {
     m_color = new KColorButton(this);
     QPushButton *advancedButton = new QPushButton(this);
     advancedButton->setText(i18n("Advanced..."));
     connect(advancedButton, &QPushButton::clicked, this, &PlotStyleWidget::advancedOptions);
 
     QHBoxLayout *layout = new QHBoxLayout;
     layout->addWidget(new QLabel(i18n("Color:"), this));
     layout->addWidget(m_color);
     layout->addStretch(1);
     layout->addWidget(advancedButton);
     setLayout(layout);
 
     m_dialog = new QDialog(this);
     QVBoxLayout *mainLayout = new QVBoxLayout;
     m_dialog->setLayout(mainLayout);
     m_dialog->setWindowTitle(i18nc("@title:window", "Plot Appearance"));
 
     m_dialogWidget = new PlotStyleDialogWidget(m_dialog);
     m_dialogWidget->layout()->setContentsMargins(0, 0, 0, 0);
     mainLayout->addWidget(m_dialogWidget);
 
     QDialogButtonBox *buttonBox = new QDialogButtonBox(QDialogButtonBox::Ok);
     QPushButton *okButton = buttonBox->button(QDialogButtonBox::Ok);
     okButton->setDefault(true);
     okButton->setShortcut(Qt::CTRL | Qt::Key_Return);
     connect(buttonBox, &QDialogButtonBox::accepted, m_dialog, &QDialog::accept);
     connect(buttonBox, &QDialogButtonBox::rejected, m_dialog, &QDialog::reject);
     mainLayout->addWidget(buttonBox);
 }
 
 void PlotStyleWidget::init(const PlotAppearance &plot, Function::Type type)
 {
     m_dialogWidget->gradientButton->setGradient(plot.gradient);
     m_dialogWidget->lineWidth->setValue(plot.lineWidth);
     m_color->setColor(plot.color);
     m_dialogWidget->useGradient->setChecked(plot.useGradient);
     setStyle(plot.style);
     m_dialogWidget->showExtrema->setChecked(plot.showExtrema);
     m_dialogWidget->showPlotName->setChecked(plot.showPlotName);
 
     // Show/hide stuff as appropriate
     m_dialogWidget->showExtrema->setVisible(type == Function::Cartesian);
     m_dialogWidget->showTangentField->setVisible(type == Function::Differential);
 
     layout()->invalidate();
     resize(layout()->minimumSize());
 }
 
 PlotAppearance PlotStyleWidget::plot(bool visible)
 {
     PlotAppearance p;
     p.lineWidth = m_dialogWidget->lineWidth->value();
     p.color = m_color->color();
     p.useGradient = m_dialogWidget->useGradient->isChecked();
     p.showTangentField = m_dialogWidget->showTangentField->isChecked();
     p.gradient = m_dialogWidget->gradientButton->gradient();
     p.visible = visible;
     p.style = style();
     p.showExtrema = m_dialogWidget->showExtrema->isChecked();
     p.showPlotName = m_dialogWidget->showPlotName->isChecked();
     return p;
 }
 
 Qt::PenStyle PlotStyleWidget::style() const
 {
     return (Qt::PenStyle)m_dialogWidget->lineStyle->itemData(m_dialogWidget->lineStyle->currentIndex()).toInt();
 }
 
 void PlotStyleWidget::setStyle(Qt::PenStyle style)
 {
     m_dialogWidget->lineStyle->setCurrentIndex(m_dialogWidget->lineStyle->findData(int(style)));
 }
 
 void PlotStyleWidget::advancedOptions()
 {
     m_dialog->show();
 }
 // END class PlotStyleWidget
 
 #include "moc_plotstylewidget.cpp"