| /**************************************************************************** |
| ** |
| ** Copyright (C) 2016 The Qt Company Ltd. |
| ** Contact: https://www.qt.io/licensing/ |
| ** |
| ** This file is part of the examples of the Qt Toolkit. |
| ** |
| ** $QT_BEGIN_LICENSE:BSD$ |
| ** Commercial License Usage |
| ** Licensees holding valid commercial Qt licenses may use this file in |
| ** accordance with the commercial license agreement provided with the |
| ** Software or, alternatively, in accordance with the terms contained in |
| ** a written agreement between you and The Qt Company. For licensing terms |
| ** and conditions see https://www.qt.io/terms-conditions. For further |
| ** information use the contact form at https://www.qt.io/contact-us. |
| ** |
| ** BSD License Usage |
| ** Alternatively, you may use this file under the terms of the BSD license |
| ** as follows: |
| ** |
| ** "Redistribution and use in source and binary forms, with or without |
| ** modification, are permitted provided that the following conditions are |
| ** met: |
| ** * Redistributions of source code must retain the above copyright |
| ** notice, this list of conditions and the following disclaimer. |
| ** * Redistributions in binary form must reproduce the above copyright |
| ** notice, this list of conditions and the following disclaimer in |
| ** the documentation and/or other materials provided with the |
| ** distribution. |
| ** * Neither the name of The Qt Company Ltd nor the names of its |
| ** contributors may be used to endorse or promote products derived |
| ** from this software without specific prior written permission. |
| ** |
| ** |
| ** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
| ** "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
| ** LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR |
| ** A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT |
| ** OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
| ** SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT |
| ** LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
| ** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
| ** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
| ** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
| ** OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE." |
| ** |
| ** $QT_END_LICENSE$ |
| ** |
| ****************************************************************************/ |
| |
| #include <QtWidgets> |
| |
| #include "droparea.h" |
| #include "dropsitewindow.h" |
| |
| //! [constructor part1] |
| DropSiteWindow::DropSiteWindow() |
| { |
| abstractLabel = new QLabel(tr("This example accepts drags from other " |
| "applications and displays the MIME types " |
| "provided by the drag object.")); |
| abstractLabel->setWordWrap(true); |
| abstractLabel->adjustSize(); |
| //! [constructor part1] |
| |
| //! [constructor part2] |
| dropArea = new DropArea; |
| connect(dropArea, &DropArea::changed, |
| this, &DropSiteWindow::updateFormatsTable); |
| //! [constructor part2] |
| |
| //! [constructor part3] |
| QStringList labels; |
| labels << tr("Format") << tr("Content"); |
| |
| formatsTable = new QTableWidget; |
| formatsTable->setColumnCount(2); |
| formatsTable->setEditTriggers(QAbstractItemView::NoEditTriggers); |
| formatsTable->setHorizontalHeaderLabels(labels); |
| formatsTable->horizontalHeader()->setStretchLastSection(true); |
| //! [constructor part3] |
| |
| //! [constructor part4] |
| clearButton = new QPushButton(tr("Clear")); |
| copyButton = new QPushButton(tr("Copy")); |
| quitButton = new QPushButton(tr("Quit")); |
| |
| buttonBox = new QDialogButtonBox; |
| buttonBox->addButton(clearButton, QDialogButtonBox::ActionRole); |
| buttonBox->addButton(copyButton, QDialogButtonBox::ActionRole); |
| #if !QT_CONFIG(clipboard) |
| copyButton->setVisible(false); |
| #endif |
| |
| buttonBox->addButton(quitButton, QDialogButtonBox::RejectRole); |
| |
| connect(quitButton, &QAbstractButton::clicked, this, &QWidget::close); |
| connect(clearButton, &QAbstractButton::clicked, dropArea, &DropArea::clear); |
| connect(copyButton, &QAbstractButton::clicked, this, &DropSiteWindow::copy); |
| //! [constructor part4] |
| |
| //! [constructor part5] |
| QVBoxLayout *mainLayout = new QVBoxLayout(this); |
| mainLayout->addWidget(abstractLabel); |
| mainLayout->addWidget(dropArea); |
| mainLayout->addWidget(formatsTable); |
| mainLayout->addWidget(buttonBox); |
| |
| setWindowTitle(tr("Drop Site")); |
| setMinimumSize(350, 500); |
| } |
| //! [constructor part5] |
| |
| //! [updateFormatsTable() part1] |
| void DropSiteWindow::updateFormatsTable(const QMimeData *mimeData) |
| { |
| formatsTable->setRowCount(0); |
| copyButton->setEnabled(false); |
| if (!mimeData) |
| return; |
| //! [updateFormatsTable() part1] |
| |
| //! [updateFormatsTable() part2] |
| const QStringList formats = mimeData->formats(); |
| for (const QString &format : formats) { |
| QTableWidgetItem *formatItem = new QTableWidgetItem(format); |
| formatItem->setFlags(Qt::ItemIsEnabled); |
| formatItem->setTextAlignment(Qt::AlignTop | Qt::AlignLeft); |
| //! [updateFormatsTable() part2] |
| |
| //! [updateFormatsTable() part3] |
| QString text; |
| if (format == QLatin1String("text/plain")) { |
| text = mimeData->text().simplified(); |
| } else if (format == QLatin1String("text/html")) { |
| text = mimeData->html().simplified(); |
| } else if (format == QLatin1String("text/uri-list")) { |
| QList<QUrl> urlList = mimeData->urls(); |
| for (int i = 0; i < urlList.size() && i < 32; ++i) |
| text.append(urlList.at(i).toString() + QLatin1Char(' ')); |
| } else { |
| QByteArray data = mimeData->data(format); |
| for (int i = 0; i < data.size() && i < 32; ++i) |
| text.append(QStringLiteral("%1 ").arg(uchar(data[i]), 2, 16, QLatin1Char('0')).toUpper()); |
| } |
| //! [updateFormatsTable() part3] |
| |
| //! [updateFormatsTable() part4] |
| int row = formatsTable->rowCount(); |
| formatsTable->insertRow(row); |
| formatsTable->setItem(row, 0, new QTableWidgetItem(format)); |
| formatsTable->setItem(row, 1, new QTableWidgetItem(text)); |
| } |
| |
| formatsTable->resizeColumnToContents(0); |
| #if QT_CONFIG(clipboard) |
| copyButton->setEnabled(formatsTable->rowCount() > 0); |
| #endif |
| } |
| //! [updateFormatsTable() part4] |
| |
| void DropSiteWindow::copy() |
| { |
| #if QT_CONFIG(clipboard) |
| QString text; |
| for (int row = 0, rowCount = formatsTable->rowCount(); row < rowCount; ++row) |
| text += formatsTable->item(row, 0)->text() + ": " + formatsTable->item(row, 1)->text() + '\n'; |
| QGuiApplication::clipboard()->setText(text); |
| #endif |
| } |