window.cpp - mozsearch

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// Copyright (C) 2016 The Qt Company Ltd.

// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR BSD-3-Clause

#include <QComboBox>

#include <QDragEnterEvent>

#include <QLabel>

#include <QMimeData>

#include <QTextBrowser>

#include <QVBoxLayout>

#include <QWidget>

namespace dropevents {

class Window : public QWidget

public:

    explicit Window(QWidget *parent = nullptr);

protected:

    void dragEnterEvent(QDragEnterEvent *event) override;

    void dropEvent(QDropEvent *event) override;

private:

    QComboBox *mimeTypeCombo = nullptr;

    QTextBrowser *textBrowser = nullptr;

    QString oldText;

    QStringList oldMimeTypes;

};

//! [0]

Window::Window(QWidget *parent)

    : QWidget(parent)

//! [0]

    QLabel *textLabel = new QLabel(tr("Data:"), this);

    textBrowser = new QTextBrowser(this);

    QLabel *mimeTypeLabel = new QLabel(tr("MIME types:"), this);

    mimeTypeCombo = new QComboBox(this);

    QVBoxLayout *layout = new QVBoxLayout(this);

    layout->addWidget(textLabel);

    layout->addWidget(textBrowser);

    layout->addWidget(mimeTypeLabel);

    layout->addWidget(mimeTypeCombo);

//! [1]

    setAcceptDrops(true);

//! [1]

    setWindowTitle(tr("Drop Events"));

//! [2]

//! [2]

//! [3]

void Window::dragEnterEvent(QDragEnterEvent *event)

    if (event->mimeData()->hasFormat("text/plain"))

        event->acceptProposedAction();

//! [3]

//! [4]

void Window::dropEvent(QDropEvent *event)

    textBrowser->setPlainText(event->mimeData()->text());

    mimeTypeCombo->clear();

    mimeTypeCombo->addItems(event->mimeData()->formats());

    event->acceptProposedAction();

//! [4]

} // dropevents