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// Copyright (C) 2016 The Qt Company Ltd.
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR BSD-3-Clause
#include <QtGui>
#include "window.h"
Window::Window(QWidget *parent)
: QWidget(parent)
{
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);
/*
...
setAcceptDrops(true);
*/
setAcceptDrops(true);
setWindowTitle(tr("Drop Actions"));
}
void Window::dragEnterEvent(QDragEnterEvent *event)
{
if (event->mimeData()->hasFormat("text/plain"))
event->acceptProposedAction();
}
void Window::dropEvent(QDropEvent *event)
{
QMenu actionMenu(this);
QAction *copyAction = 0;
QAction *moveAction = 0;
QAction *linkAction = 0;
QAction *ignoreAction = 0;
if (event->possibleActions() & Qt::CopyAction)
copyAction = actionMenu.addAction(tr("Copy"));
if (event->possibleActions() & Qt::MoveAction)
moveAction = actionMenu.addAction(tr("Move"));
if (event->possibleActions() & Qt::LinkAction)
linkAction = actionMenu.addAction(tr("Link"));
if (event->possibleActions() & Qt::IgnoreAction)
ignoreAction = actionMenu.addAction(tr("Ignore"));
QAction *result = actionMenu.exec(QCursor::pos());
if (copyAction && result == copyAction)
event->setDropAction(Qt::CopyAction);
else if (moveAction && result == moveAction)
event->setDropAction(Qt::MoveAction);
else if (linkAction && result == linkAction)
event->setDropAction(Qt::LinkAction);
else {
event->setDropAction(Qt::IgnoreAction);
return;
}
textBrowser->setPlainText(event->mimeData()->text());
mimeTypeCombo->clear();
mimeTypeCombo->addItems(event->mimeData()->formats());
}