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

 /*
     KmPlot - a math. function plotter for the KDE-Desktop
 
     SPDX-FileCopyrightText: 2004 Fredrik Edemar <f_edemar@linux.se>
 
     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 "coordsconfigdialog.h"
 
 #include <KMessageBox>
 
 #include <QPushButton>
 
 #include "settings.h"
 #include "xparser.h"
 
 #include "ui_editcoords.h"
 
 class EditCoords : public QWidget, public Ui::EditCoords
 {
 public:
     EditCoords(QWidget *parent = nullptr)
         : QWidget(parent)
     {
         setupUi(this);
     }
 };
 
 CoordsConfigDialog::CoordsConfigDialog(QWidget *parent)
     : KConfigDialog(parent, "coords", Settings::self())
 {
     configAxesDialog = new EditCoords(nullptr);
     configAxesDialog->kcfg_XMin->setTabChain(configAxesDialog->kcfg_XMax->focusProxy());
     configAxesDialog->kcfg_XMax->setTabChain(configAxesDialog->kcfg_YMin->focusProxy());
     configAxesDialog->kcfg_YMin->setTabChain(configAxesDialog->kcfg_YMax->focusProxy());
     configAxesDialog->layout()->setContentsMargins(0, 0, 0, 0);
     addPage(configAxesDialog, i18n("Coordinates"), "coords", i18n("Coordinate System"));
     setWindowTitle(i18nc("@title:window", "Coordinate System"));
     setHelp(QString::fromLatin1("axes-config"));
     setFaceType(Plain);
     connect(configAxesDialog->kcfg_XMin, &EquationEdit::textEdited, this, &CoordsConfigDialog::updateButtons);
     connect(configAxesDialog->kcfg_XMax, &EquationEdit::textEdited, this, &CoordsConfigDialog::updateButtons);
     connect(configAxesDialog->kcfg_YMin, &EquationEdit::textEdited, this, &CoordsConfigDialog::updateButtons);
     connect(configAxesDialog->kcfg_YMax, &EquationEdit::textEdited, this, &CoordsConfigDialog::updateButtons);
 }
 
 CoordsConfigDialog::~CoordsConfigDialog()
 {
 }
 
 bool CoordsConfigDialog::evalX(bool showError)
 {
     Parser::Error error;
 
     double const min = XParser::self()->eval(configAxesDialog->kcfg_XMin->text(), &error);
     if (error != Parser::ParseSuccess) {
         if (showError)
             XParser::self()->displayErrorDialog(error);
         return false;
     }
 
     double const max = XParser::self()->eval(configAxesDialog->kcfg_XMax->text(), &error);
     if (error != Parser::ParseSuccess) {
         if (showError)
             XParser::self()->displayErrorDialog(error);
         return false;
     }
 
     if (min >= max) {
         if (showError)
             KMessageBox::error(this, i18n("The minimum range value must be lower than the maximum range value"));
         return false;
     }
     return true;
 }
 
 bool CoordsConfigDialog::evalY(bool showError)
 {
     Parser::Error error;
 
     double const min = XParser::self()->eval(configAxesDialog->kcfg_YMin->text(), &error);
     if (error != Parser::ParseSuccess) {
         if (showError)
             XParser::self()->displayErrorDialog(error);
         return false;
     }
 
     double const max = XParser::self()->eval(configAxesDialog->kcfg_YMax->text(), &error);
     if (error != Parser::ParseSuccess) {
         if (showError)
             XParser::self()->displayErrorDialog(error);
         return false;
     }
 
     if (min >= max) {
         if (showError)
             KMessageBox::error(this, i18n("The minimum range value must be lower than the maximum range value"));
         return false;
     }
     return true;
 }
 
 void CoordsConfigDialog::updateButtons()
 {
     buttonBox()->button(QDialogButtonBox::Apply)->setEnabled(evalX(false) && evalY(false));
 }
 
 void CoordsConfigDialog::done(int result)
 {
     // https://www.qtcentre.org/threads/8048-Validate-Data-in-QDialog
     if (result == QDialog::Accepted) {
         if (!evalX() || !evalY()) {
             return;
         }
     }
     KConfigDialog::done(result);
 }
 
 void CoordsConfigDialog::updateXYRange()
 {
     configAxesDialog->kcfg_XMin->setText(Settings::xMin());
     configAxesDialog->kcfg_XMax->setText(Settings::xMax());
     configAxesDialog->kcfg_YMin->setText(Settings::yMin());
     configAxesDialog->kcfg_YMax->setText(Settings::yMax());
 }
 
 #include "moc_coordsconfigdialog.cpp"