examples/draganddrop/fridgemagnets/draglabel.cpp
changeset 0 1918ee327afb
child 4 3b1da2848fc7
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/examples/draganddrop/fridgemagnets/draglabel.cpp	Mon Jan 11 14:00:40 2010 +0000
@@ -0,0 +1,90 @@
+/****************************************************************************
+**
+** Copyright (C) 2009 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.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** 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 "draglabel.h"
+
+//! [0]
+DragLabel::DragLabel(const QString &text, QWidget *parent)
+    : QLabel(parent)
+{
+    QFontMetrics metric(font());
+    QSize size = metric.size(Qt::TextSingleLine, text);
+
+    QImage image(size.width() + 12, size.height() + 12,
+                 QImage::Format_ARGB32_Premultiplied);
+    image.fill(qRgba(0, 0, 0, 0));
+
+    QFont font;
+    font.setStyleStrategy(QFont::ForceOutline);
+//! [0]
+
+//! [1]
+    QLinearGradient gradient(0, 0, 0, image.height()-1);
+    gradient.setColorAt(0.0, Qt::white);
+    gradient.setColorAt(0.2, QColor(200, 200, 255));
+    gradient.setColorAt(0.8, QColor(200, 200, 255));
+    gradient.setColorAt(1.0, QColor(127, 127, 200));
+
+    QPainter painter;
+    painter.begin(&image);
+    painter.setRenderHint(QPainter::Antialiasing);
+    painter.setBrush(gradient);
+    painter.drawRoundedRect(QRectF(0.5, 0.5, image.width()-1, image.height()-1),
+                            25, 25, Qt::RelativeSize);
+
+    painter.setFont(font);
+    painter.setBrush(Qt::black);
+    painter.drawText(QRect(QPoint(6, 6), size), Qt::AlignCenter, text);
+    painter.end();
+//! [1]
+
+//! [2]
+    setPixmap(QPixmap::fromImage(image));
+    m_labelText = text;
+}
+//! [2]
+
+QString DragLabel::labelText() const
+{
+    return m_labelText;
+}