multipagewidget.cpp Example File
containerextension/multipagewidget.cpp
#include <QComboBox>
#include <QVBoxLayout>
#include <QStackedWidget>
#include "multipagewidget.h"
MultiPageWidget::MultiPageWidget(QWidget *parent)
: QWidget(parent)
, stackWidget(new QStackedWidget)
, comboBox(new QComboBox)
{
comboBox->setObjectName(QStringLiteral("__qt__passive_comboBox"));
connect(comboBox, QOverload<int>::of(&QComboBox::activated),
this, &MultiPageWidget::setCurrentIndex);
QVBoxLayout *layout = new QVBoxLayout(this);
layout->addWidget(comboBox);
layout->addWidget(stackWidget);
}
QSize MultiPageWidget::sizeHint() const
{
return QSize(200, 150);
}
void MultiPageWidget::addPage(QWidget *page)
{
insertPage(count(), page);
}
void MultiPageWidget::removePage(int index)
{
QWidget *widget = stackWidget->widget(index);
stackWidget->removeWidget(widget);
comboBox->removeItem(index);
}
int MultiPageWidget::count() const
{
return stackWidget->count();
}
int MultiPageWidget::currentIndex() const
{
return stackWidget->currentIndex();
}
void MultiPageWidget::insertPage(int index, QWidget *page)
{
page->setParent(stackWidget);
stackWidget->insertWidget(index, page);
QString title = page->windowTitle();
if (title.isEmpty()) {
title = tr("Page %1").arg(comboBox->count() + 1);
page->setWindowTitle(title);
}
connect(page, &QWidget::windowTitleChanged,
this, &MultiPageWidget::pageWindowTitleChanged);
comboBox->insertItem(index, title);
}
void MultiPageWidget::setCurrentIndex(int index)
{
if (index != currentIndex()) {
stackWidget->setCurrentIndex(index);
comboBox->setCurrentIndex(index);
emit currentIndexChanged(index);
}
}
void MultiPageWidget::pageWindowTitleChanged()
{
QWidget *page = qobject_cast<QWidget *>(sender());
const int index = stackWidget->indexOf(page);
comboBox->setItemText(index, page->windowTitle());
}
QWidget* MultiPageWidget::widget(int index)
{
return stackWidget->widget(index);
}
QString MultiPageWidget::pageTitle() const
{
if (const QWidget *currentWidget = stackWidget->currentWidget())
return currentWidget->windowTitle();
return QString();
}
void MultiPageWidget::setPageTitle(QString const &newTitle)
{
if (QWidget *currentWidget = stackWidget->currentWidget())
currentWidget->setWindowTitle(newTitle);
emit pageTitleChanged(newTitle);
}