33bee95910
- Use qsizetype - Use new string literals instead of deprecated QLatin1String() - Streamline some code - Remove unused member variable - Remove module include Pick-to: 6.4 Change-Id: Ia96424a23f3ae10e57db942de49949ce3aef8876 Reviewed-by: Shawn Rutledge <shawn.rutledge@qt.io>
136 lines
4.5 KiB
C++
136 lines
4.5 KiB
C++
// Copyright (C) 2016 The Qt Company Ltd.
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// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR BSD-3-Clause
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#include <QPushButton>
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#include <QDialogButtonBox>
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#include <QHeaderView>
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#include <QTableWidget>
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#include <QTableWidgetItem>
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#include <QVBoxLayout>
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#include <QClipboard>
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#include <QGuiApplication>
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#include <QMimeData>
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#include "droparea.h"
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#include "dropsitewindow.h"
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using namespace Qt::StringLiterals;
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//! [constructor part1]
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DropSiteWindow::DropSiteWindow()
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{
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abstractLabel = new QLabel(tr("This example accepts drags from other "
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"applications and displays the MIME types "
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"provided by the drag object."));
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abstractLabel->setWordWrap(true);
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abstractLabel->adjustSize();
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//! [constructor part1]
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//! [constructor part2]
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dropArea = new DropArea;
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connect(dropArea, &DropArea::changed,
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this, &DropSiteWindow::updateFormatsTable);
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//! [constructor part2]
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//! [constructor part3]
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formatsTable = new QTableWidget;
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formatsTable->setColumnCount(2);
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formatsTable->setEditTriggers(QAbstractItemView::NoEditTriggers);
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formatsTable->setHorizontalHeaderLabels({tr("Format"), tr("Content")});
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formatsTable->horizontalHeader()->setStretchLastSection(true);
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//! [constructor part3]
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//! [constructor part4]
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clearButton = new QPushButton(tr("Clear"));
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copyButton = new QPushButton(tr("Copy"));
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quitButton = new QPushButton(tr("Quit"));
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buttonBox = new QDialogButtonBox;
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buttonBox->addButton(clearButton, QDialogButtonBox::ActionRole);
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buttonBox->addButton(copyButton, QDialogButtonBox::ActionRole);
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#if !QT_CONFIG(clipboard)
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copyButton->setVisible(false);
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#endif
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buttonBox->addButton(quitButton, QDialogButtonBox::RejectRole);
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connect(quitButton, &QAbstractButton::clicked, this, &QWidget::close);
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connect(clearButton, &QAbstractButton::clicked, dropArea, &DropArea::clear);
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connect(copyButton, &QAbstractButton::clicked, this, &DropSiteWindow::copy);
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//! [constructor part4]
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//! [constructor part5]
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QVBoxLayout *mainLayout = new QVBoxLayout(this);
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mainLayout->addWidget(abstractLabel);
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mainLayout->addWidget(dropArea);
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mainLayout->addWidget(formatsTable);
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mainLayout->addWidget(buttonBox);
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setWindowTitle(tr("Drop Site"));
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resize(700, 500);
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}
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//! [constructor part5]
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//! [updateFormatsTable() part1]
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void DropSiteWindow::updateFormatsTable(const QMimeData *mimeData)
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{
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formatsTable->setRowCount(0);
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copyButton->setEnabled(false);
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if (!mimeData)
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return;
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//! [updateFormatsTable() part1]
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//! [updateFormatsTable() part2]
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const QStringList formats = mimeData->formats();
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for (const QString &format : formats) {
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QTableWidgetItem *formatItem = new QTableWidgetItem(format);
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formatItem->setFlags(Qt::ItemIsEnabled);
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formatItem->setTextAlignment(Qt::AlignTop | Qt::AlignLeft);
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//! [updateFormatsTable() part2]
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//! [updateFormatsTable() part3]
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QString text;
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if (format == u"text/plain") {
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text = mimeData->text().simplified();
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} else if (format == u"text/markdown") {
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text = QString::fromUtf8(mimeData->data(u"text/markdown"_s));
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} else if (format == u"text/html") {
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text = mimeData->html().simplified();
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} else if (format == u"text/uri-list") {
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QList<QUrl> urlList = mimeData->urls();
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for (qsizetype i = 0, count = qMin(urlList.size(), qsizetype(32)); i < count; ++i)
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text.append(urlList.at(i).toString() + u' ');
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} else {
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QByteArray data = mimeData->data(format);
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if (data.size() > 32)
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data.truncate(32);
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text = QString::fromLatin1(data.toHex(' ')).toUpper();
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}
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//! [updateFormatsTable() part3]
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//! [updateFormatsTable() part4]
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int row = formatsTable->rowCount();
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formatsTable->insertRow(row);
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formatsTable->setItem(row, 0, new QTableWidgetItem(format));
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formatsTable->setItem(row, 1, new QTableWidgetItem(text));
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}
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formatsTable->resizeColumnToContents(0);
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#if QT_CONFIG(clipboard)
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copyButton->setEnabled(formatsTable->rowCount() > 0);
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#endif
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}
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//! [updateFormatsTable() part4]
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void DropSiteWindow::copy()
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{
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#if QT_CONFIG(clipboard)
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QString text;
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for (int row = 0, rowCount = formatsTable->rowCount(); row < rowCount; ++row)
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text += formatsTable->item(row, 0)->text() + ": " + formatsTable->item(row, 1)->text() + '\n';
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QGuiApplication::clipboard()->setText(text);
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#endif
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}
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