File indexing completed on 2025-10-12 03:31:34

 /*
     File                 : ThemesComboBox.cpp
     Project              : LabPlot
     Description          : Preview of all themes in a QComboBox
     --------------------------------------------------------------------
     SPDX-FileCopyrightText: 2017 Alexander Semke <alexander.semke@web.de>
     SPDX-License-Identifier: GPL-2.0-or-later
 */
 
 #include "kdefrontend/widgets/ThemesComboBox.h"
 #include "kdefrontend/widgets/ThemesWidget.h"
 
 #include <QEvent>
 #include <QGroupBox>
 #include <QVBoxLayout>
 
 #include <KLocalizedString>
 
 /*!
     \class ThemesComboBox
     \brief Preview of all themes in a QComboBox.
 
     \ingroup backend/widgets
 */
 ThemesComboBox::ThemesComboBox(QWidget* parent)
     : QComboBox(parent) {
     auto* layout = new QVBoxLayout;
     m_view = new ThemesWidget(this);
     m_groupBox = new QGroupBox;
 
     layout->setContentsMargins(0, 0, 0, 0);
     layout->setSpacing(0);
     layout->addWidget(m_view);
 
     m_groupBox->setLayout(layout);
     m_groupBox->setParent(parent, Qt::Popup);
     m_groupBox->hide();
     m_groupBox->installEventFilter(this);
 
     addItem(QString());
     setCurrentIndex(0);
 
     connect(m_view, &ThemesWidget::themeSelected, this, &ThemesComboBox::handleThemeChanged);
 }
 
 void ThemesComboBox::showPopup() {
     m_groupBox->show();
     m_groupBox->resize(this->width(), 250);
     m_groupBox->move(mapToGlobal(this->rect().topLeft()));
 }
 
 void ThemesComboBox::hidePopup() {
     m_groupBox->hide();
 }
 
 /*!
     catches the MouseButtonPress-event and hides the tree view on mouse clicking.
 */
 bool ThemesComboBox::eventFilter(QObject* object, QEvent* event) {
     if ((object == m_groupBox) && event->type() == QEvent::MouseButtonPress) {
         m_groupBox->hide();
         this->setFocus();
         return true;
     }
 
     return QComboBox::eventFilter(object, event);
 }
 
 void ThemesComboBox::handleThemeChanged(const QString& theme) {
     if (theme != currentText()) {
         if (theme.isEmpty())
             setItemText(0, i18n("Default")); // default theme
         else
             setItemText(0, theme);
         Q_EMIT currentThemeChanged(theme);
     }
 
     m_groupBox->hide();
 }