| 1 | /****************************************************************************
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| 2 | **
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| 3 | ** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
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| 4 | ** All rights reserved.
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| 5 | ** Contact: Nokia Corporation (qt-info@nokia.com)
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| 6 | **
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| 7 | ** This file is part of the examples of the Qt Toolkit.
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| 8 | **
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| 9 | ** $QT_BEGIN_LICENSE:LGPL$
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| 10 | ** Commercial Usage
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| 11 | ** Licensees holding valid Qt Commercial licenses may use this file in
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| 12 | ** accordance with the Qt Commercial License Agreement provided with the
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| 13 | ** Software or, alternatively, in accordance with the terms contained in
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| 14 | ** a written agreement between you and Nokia.
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| 15 | **
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| 16 | ** GNU Lesser General Public License Usage
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| 17 | ** Alternatively, this file may be used under the terms of the GNU Lesser
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| 18 | ** General Public License version 2.1 as published by the Free Software
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| 19 | ** Foundation and appearing in the file LICENSE.LGPL included in the
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| 20 | ** packaging of this file. Please review the following information to
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| 21 | ** ensure the GNU Lesser General Public License version 2.1 requirements
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| 22 | ** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
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| 23 | **
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| 24 | ** In addition, as a special exception, Nokia gives you certain additional
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| 25 | ** rights. These rights are described in the Nokia Qt LGPL Exception
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| 26 | ** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
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| 27 | **
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| 28 | ** GNU General Public License Usage
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| 29 | ** Alternatively, this file may be used under the terms of the GNU
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| 30 | ** General Public License version 3.0 as published by the Free Software
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| 31 | ** Foundation and appearing in the file LICENSE.GPL included in the
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| 32 | ** packaging of this file. Please review the following information to
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| 33 | ** ensure the GNU General Public License version 3.0 requirements will be
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| 34 | ** met: http://www.gnu.org/copyleft/gpl.html.
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| 35 | **
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| 36 | ** If you have questions regarding the use of this file, please contact
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| 37 | ** Nokia at qt-info@nokia.com.
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| 38 | ** $QT_END_LICENSE$
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| 39 | **
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| 40 | ****************************************************************************/
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| 41 |
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| 42 | #include <QtGui>
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| 43 |
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| 44 | #include "draglabel.h"
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| 45 |
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| 46 | //! [0]
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| 47 | DragLabel::DragLabel(const QString &text, QWidget *parent)
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| 48 | : QLabel(parent)
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| 49 | {
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| 50 | QFontMetrics metric(font());
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| 51 | QSize size = metric.size(Qt::TextSingleLine, text);
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| 52 |
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| 53 | QImage image(size.width() + 12, size.height() + 12,
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| 54 | QImage::Format_ARGB32_Premultiplied);
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| 55 | image.fill(qRgba(0, 0, 0, 0));
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| 56 |
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| 57 | QFont font;
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| 58 | font.setStyleStrategy(QFont::ForceOutline);
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| 59 | //! [0]
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| 60 |
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| 61 | //! [1]
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| 62 | QLinearGradient gradient(0, 0, 0, image.height()-1);
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| 63 | gradient.setColorAt(0.0, Qt::white);
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| 64 | gradient.setColorAt(0.2, QColor(200, 200, 255));
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| 65 | gradient.setColorAt(0.8, QColor(200, 200, 255));
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| 66 | gradient.setColorAt(1.0, QColor(127, 127, 200));
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| 67 |
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| 68 | QPainter painter;
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| 69 | painter.begin(&image);
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| 70 | painter.setRenderHint(QPainter::Antialiasing);
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| 71 | painter.setBrush(gradient);
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| 72 | painter.drawRoundedRect(QRectF(0.5, 0.5, image.width()-1, image.height()-1),
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| 73 | 25, 25, Qt::RelativeSize);
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| 74 |
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| 75 | painter.setFont(font);
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| 76 | painter.setBrush(Qt::black);
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| 77 | painter.drawText(QRect(QPoint(6, 6), size), Qt::AlignCenter, text);
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| 78 | painter.end();
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| 79 | //! [1]
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| 80 |
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| 81 | //! [2]
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| 82 | setPixmap(QPixmap::fromImage(image));
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| 83 | m_labelText = text;
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| 84 | }
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| 85 | //! [2]
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| 86 |
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| 87 | QString DragLabel::labelText() const
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| 88 | {
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| 89 | return m_labelText;
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| 90 | }
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