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Diffstat (limited to 'examples/draganddrop/dropsite/dropsitewindow.cpp')
| -rw-r--r-- | examples/draganddrop/dropsite/dropsitewindow.cpp | 143 |
1 files changed, 143 insertions, 0 deletions
diff --git a/examples/draganddrop/dropsite/dropsitewindow.cpp b/examples/draganddrop/dropsite/dropsitewindow.cpp new file mode 100644 index 0000000000..db7d6e3566 --- /dev/null +++ b/examples/draganddrop/dropsite/dropsitewindow.cpp @@ -0,0 +1,143 @@ +/**************************************************************************** +** +** Copyright (C) 2011 Nokia Corporation and/or its subsidiary(-ies). +** All rights reserved. +** Contact: Nokia Corporation (qt-info@nokia.com) +** +** This file is part of the examples of the Qt Toolkit. +** +** $QT_BEGIN_LICENSE:BSD$ +** 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 Nokia Corporation and its Subsidiary(-ies) 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 <QtGui> + +#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, SIGNAL(changed(const QMimeData*)), + this, SLOT(updateFormatsTable(const QMimeData*))); +//! [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")); + quitButton = new QPushButton(tr("Quit")); + + buttonBox = new QDialogButtonBox; + buttonBox->addButton(clearButton, QDialogButtonBox::ActionRole); + buttonBox->addButton(quitButton, QDialogButtonBox::RejectRole); + + connect(quitButton, SIGNAL(pressed()), this, SLOT(close())); + connect(clearButton, SIGNAL(pressed()), dropArea, SLOT(clear())); +//! [constructor part4] + +//! [constructor part5] + QVBoxLayout *mainLayout = new QVBoxLayout; + mainLayout->addWidget(abstractLabel); + mainLayout->addWidget(dropArea); + mainLayout->addWidget(formatsTable); + mainLayout->addWidget(buttonBox); + setLayout(mainLayout); + + setWindowTitle(tr("Drop Site")); + setMinimumSize(350, 500); +} +//! [constructor part5] + +//! [updateFormatsTable() part1] +void DropSiteWindow::updateFormatsTable(const QMimeData *mimeData) +{ + formatsTable->setRowCount(0); + if (!mimeData) + return; +//! [updateFormatsTable() part1] + +//! [updateFormatsTable() part2] + foreach (QString format, mimeData->formats()) { + QTableWidgetItem *formatItem = new QTableWidgetItem(format); + formatItem->setFlags(Qt::ItemIsEnabled); + formatItem->setTextAlignment(Qt::AlignTop | Qt::AlignLeft); +//! [updateFormatsTable() part2] + +//! [updateFormatsTable() part3] + QString text; + if (format == "text/plain") { + text = mimeData->text().simplified(); + } else if (format == "text/html") { + text = mimeData->html().simplified(); + } else if (format == "text/uri-list") { + QList<QUrl> urlList = mimeData->urls(); + for (int i = 0; i < urlList.size() && i < 32; ++i) + text.append(urlList[i].toString() + " "); + } else { + QByteArray data = mimeData->data(format); + for (int i = 0; i < data.size() && i < 32; ++i) { + QString hex = QString("%1").arg(uchar(data[i]), 2, 16, + QChar('0')) + .toUpper(); + text.append(hex + " "); + } + } +//! [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); +} +//! [updateFormatsTable() part4] |