|  | Home · All Namespaces · All Classes · Main Classes · Grouped Classes · Modules · Functions |

# dropsitewindow.cpp Example File
draganddrop/dropsite/dropsitewindow.cpp

     /****************************************************************************
     **
     ** Copyright (C) 2008 Nokia Corporation and/or its subsidiary(-ies).
     ** Contact: Qt Software Information (qt-info@nokia.com)
     **
     ** This file is part of the example classes of the Qt Toolkit.
     **
     ** Commercial Usage
     ** Licensees holding valid Qt Commercial licenses may use this file in
     ** accordance with the Qt Commercial License Agreement provided with the
     ** Software or, alternatively, in accordance with the terms contained in
     ** a written agreement between you and Nokia.
     **
     **
     ** GNU General Public License Usage
     ** Alternatively, this file may be used under the terms of the GNU
     ** General Public License versions 2.0 or 3.0 as published by the Free
     ** Software Foundation and appearing in the file LICENSE.GPL included in
     ** the packaging of this file.  Please review the following information
     ** to ensure GNU General Public Licensing requirements will be met:
     ** http://www.fsf.org/licensing/licenses/info/GPLv2.html and
     ** http://www.gnu.org/copyleft/gpl.html.  In addition, as a special
     ** exception, Nokia gives you certain additional rights. These rights
     ** are described in the Nokia Qt GPL Exception version 1.3, included in
     ** the file GPL_EXCEPTION.txt in this package.
     **
     ** Qt for Windows(R) Licensees
     ** As a special exception, Nokia, as the sole copyright holder for Qt
     ** Designer, grants users of the Qt/Eclipse Integration plug-in the
     ** right for the Qt/Eclipse Integration to link to functionality
     ** provided by Qt Designer and its related libraries.
     **
     ** If you are unsure which license is appropriate for your use, please
     ** contact the sales department at qt-sales@nokia.com.
     **
     ****************************************************************************/

     #include <QtGui>

     #include "droparea.h"
     #include "dropsitewindow.h"

     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();

         dropArea = new DropArea;
         connect(dropArea, SIGNAL(changed(const QMimeData *)),
                 this, SLOT(updateFormatsTable(const QMimeData *)));

         QStringList labels;
         labels << tr("Format") << tr("Content");

         formatsTable = new QTableWidget;
         formatsTable->setColumnCount(2);
         formatsTable->setEditTriggers(QAbstractItemView::NoEditTriggers);
         formatsTable->setHorizontalHeaderLabels(labels);
         formatsTable->horizontalHeader()->setStretchLastSection(true);

         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()));

         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);
     }

     void DropSiteWindow::updateFormatsTable(const QMimeData *mimeData)
     {
         formatsTable->setRowCount(0);
         if (!mimeData)
             return;

         foreach (QString format, mimeData->formats()) {
             QTableWidgetItem *formatItem = new QTableWidgetItem(format);
             formatItem->setFlags(Qt::ItemIsEnabled);
             formatItem->setTextAlignment(Qt::AlignTop | Qt::AlignLeft);

             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) {
                     QString url = urlList.at(i).path();
                     text.append(url + " ");
                 }
             } 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 + " ");
                 }
             }

             int row = formatsTable->rowCount();
             formatsTable->insertRow(row);
             formatsTable->setItem(row, 0, new QTableWidgetItem(format));
             formatsTable->setItem(row, 1, new QTableWidgetItem(text));
         }

         formatsTable->resizeColumnToContents(0);
     }