doc/src/snippets/clipboard/clipwindow.cpp
branchRCL_3
changeset 7 3f74d0d4af4c
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/doc/src/snippets/clipboard/clipwindow.cpp	Thu Apr 08 14:19:33 2010 +0300
@@ -0,0 +1,104 @@
+/****************************************************************************
+**
+** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies).
+** All rights reserved.
+** Contact: Nokia Corporation (qt-info@nokia.com)
+**
+** This file is part of the documentation of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** No Commercial Usage
+** This file contains pre-release code and may not be distributed.
+** You may use this file in accordance with the terms and conditions
+** contained in the Technology Preview License Agreement accompanying
+** this package.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 2.1 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU Lesser General Public License version 2.1 requirements
+** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Nokia gives you certain additional
+** rights.  These rights are described in the Nokia Qt LGPL Exception
+** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
+**
+** If you have questions regarding the use of this file, please contact
+** Nokia at qt-info@nokia.com.
+**
+**
+**
+**
+**
+**
+**
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#include <QtGui>
+
+#include "clipwindow.h"
+
+ClipWindow::ClipWindow(QWidget *parent)
+    : QMainWindow(parent)
+{
+    clipboard = QApplication::clipboard();
+
+    QWidget *centralWidget = new QWidget(this);
+    QWidget *currentItem = new QWidget(centralWidget);
+    QLabel *mimeTypeLabel = new QLabel(tr("MIME types:"), currentItem);
+    mimeTypeCombo = new QComboBox(currentItem);
+    QLabel *dataLabel = new QLabel(tr("Data:"), currentItem);
+    dataInfoLabel = new QLabel("", currentItem);
+
+    previousItems = new QListWidget(centralWidget);
+
+//! [0]
+    connect(clipboard, SIGNAL(dataChanged()), this, SLOT(updateClipboard()));
+//! [0]
+    connect(mimeTypeCombo, SIGNAL(activated(const QString &)),
+            this, SLOT(updateData(const QString &)));
+
+    QVBoxLayout *currentLayout = new QVBoxLayout(currentItem);
+    currentLayout->addWidget(mimeTypeLabel);
+    currentLayout->addWidget(mimeTypeCombo);
+    currentLayout->addWidget(dataLabel);
+    currentLayout->addWidget(dataInfoLabel);
+    currentLayout->addStretch(1);
+
+    QHBoxLayout *mainLayout = new QHBoxLayout(centralWidget);
+    mainLayout->addWidget(currentItem, 1);
+    mainLayout->addWidget(previousItems);
+
+    setCentralWidget(centralWidget);
+    setWindowTitle(tr("Clipboard"));
+}
+
+//! [1]
+void ClipWindow::updateClipboard()
+{
+    QStringList formats = clipboard->mimeData()->formats();
+    QByteArray data = clipboard->mimeData()->data(format);
+//! [1]
+
+    mimeTypeCombo->clear();
+    mimeTypeCombo->insertStringList(formats);
+
+    int size = clipboard->mimeData()->data(formats[0]).size();
+    QListWidgetItem *newItem = new QListWidgetItem(previousItems);
+    newItem->setText(tr("%1 (%2 bytes)").arg(formats[0]).arg(size));
+
+    updateData(formats[0]);
+//! [2]
+}
+//! [2]
+
+void ClipWindow::updateData(const QString &format)
+{
+    QByteArray data = clipboard->mimeData()->data(format);
+    dataInfoLabel->setText(tr("%1 bytes").arg(data.size()));
+}