190b77463d
In order to demonstrate the new functionality, changed the example to download the images from the network, scale and show them by attaching different continuations to QFuture. Because QtConcurrent::map is not used anymore, removed the suspension functionality (supporting suspension of download would complicate the logic). Task-number: QTBUG-87205 Change-Id: I5a48b63195d28025ae8c5de28bc6d6178dad03db Reviewed-by: Paul Wicking <paul.wicking@qt.io> Reviewed-by: Jarek Kobus <jaroslaw.kobus@qt.io>
88 lines
3.6 KiB
C++
88 lines
3.6 KiB
C++
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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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****************************************************************************/
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#include "downloaddialog.h"
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#include "ui_downloaddialog.h"
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#include <QUrl>
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DownloadDialog::DownloadDialog(QWidget *parent) : QDialog(parent), ui(new Ui::DownloadDialog)
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{
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ui->setupUi(this);
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ui->urlLineEdit->setPlaceholderText(tr("Enter the URL of an image to download"));
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connect(ui->addUrlButton, &QPushButton::clicked, this, [this] {
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const auto text = ui->urlLineEdit->text();
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if (!text.isEmpty()) {
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ui->urlListWidget->addItem(text);
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ui->urlLineEdit->clear();
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}
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});
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connect(ui->urlListWidget, &QListWidget::itemSelectionChanged, this, [this] {
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ui->removeUrlButton->setEnabled(!ui->urlListWidget->selectedItems().empty());
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});
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connect(ui->clearUrlsButton, &QPushButton::clicked, ui->urlListWidget, &QListWidget::clear);
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connect(ui->removeUrlButton, &QPushButton::clicked, this,
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[this] { qDeleteAll(ui->urlListWidget->selectedItems()); });
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}
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DownloadDialog::~DownloadDialog()
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{
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delete ui;
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}
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QList<QUrl> DownloadDialog::getUrls() const
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{
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QList<QUrl> urls;
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for (auto row = 0; row < ui->urlListWidget->count(); ++row)
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urls.push_back(QUrl(ui->urlListWidget->item(row)->text()));
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return urls;
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}
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