qt5base-lts/examples/qtconcurrent/imagescaling/downloaddialog.cpp

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/****************************************************************************
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** Copyright (C) 2020 The Qt Company Ltd.
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** This file is part of the examples of the Qt Toolkit.
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#include "downloaddialog.h"
#include "ui_downloaddialog.h"
#include <QUrl>
DownloadDialog::DownloadDialog(QWidget *parent) : QDialog(parent), ui(new Ui::DownloadDialog)
{
ui->setupUi(this);
ui->urlLineEdit->setPlaceholderText(tr("Enter the URL of an image to download"));
connect(ui->addUrlButton, &QPushButton::clicked, this, [this] {
const auto text = ui->urlLineEdit->text();
if (!text.isEmpty()) {
ui->urlListWidget->addItem(text);
ui->urlLineEdit->clear();
}
});
connect(ui->urlListWidget, &QListWidget::itemSelectionChanged, this, [this] {
ui->removeUrlButton->setEnabled(!ui->urlListWidget->selectedItems().empty());
});
connect(ui->clearUrlsButton, &QPushButton::clicked, ui->urlListWidget, &QListWidget::clear);
connect(ui->removeUrlButton, &QPushButton::clicked, this,
[this] { qDeleteAll(ui->urlListWidget->selectedItems()); });
}
DownloadDialog::~DownloadDialog()
{
delete ui;
}
QList<QUrl> DownloadDialog::getUrls() const
{
QList<QUrl> urls;
for (auto row = 0; row < ui->urlListWidget->count(); ++row)
urls.push_back(QUrl(ui->urlListWidget->item(row)->text()));
return urls;
}