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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 ** No Commercial Usage |
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11 ** This file contains pre-release code and may not be distributed. |
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12 ** You may use this file in accordance with the terms and conditions |
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13 ** contained in the Technology Preview License Agreement accompanying |
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14 ** this package. |
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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 ** If you have questions regarding the use of this file, please contact |
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29 ** Nokia at qt-info@nokia.com. |
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30 ** |
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31 ** |
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32 ** |
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33 ** |
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34 ** |
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35 ** |
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36 ** |
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37 ** |
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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 "objects.h" |
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43 #include <QLayout> |
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44 #include <QPainter> |
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45 |
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46 /* Implementation of QParentWidget */ |
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47 //! [0] |
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48 QParentWidget::QParentWidget(QWidget *parent) |
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49 : QWidget(parent) |
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50 { |
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51 vbox = new QVBoxLayout(this); |
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52 } |
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53 |
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54 //! [0] //! [1] |
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55 void QParentWidget::createSubWidget(const QString &name) |
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56 { |
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57 QSubWidget *sw = new QSubWidget(this, name); |
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58 vbox->addWidget(sw); |
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59 sw->setLabel(name); |
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60 sw->show(); |
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61 } |
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62 |
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63 //! [1] //! [2] |
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64 QSubWidget *QParentWidget::subWidget(const QString &name) |
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65 { |
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66 return qFindChild<QSubWidget*>(this, name); |
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67 } |
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68 |
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69 //! [2] |
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70 QSize QParentWidget::sizeHint() const |
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71 { |
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72 return QWidget::sizeHint().expandedTo(QSize(100, 100)); |
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73 } |
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74 |
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75 /* Implementation of QSubWidget */ |
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76 //! [3] |
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77 QSubWidget::QSubWidget(QWidget *parent, const QString &name) |
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78 : QWidget(parent) |
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79 { |
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80 setObjectName(name); |
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81 } |
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82 |
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83 void QSubWidget::setLabel(const QString &text) |
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84 { |
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85 lbl = text; |
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86 setObjectName(text); |
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87 update(); |
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88 } |
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89 |
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90 QString QSubWidget::label() const |
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91 { |
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92 return lbl; |
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93 } |
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94 |
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95 QSize QSubWidget::sizeHint() const |
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96 { |
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97 QFontMetrics fm(font()); |
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98 return QSize(fm.width(lbl), fm.height()); |
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99 } |
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100 |
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101 void QSubWidget::paintEvent(QPaintEvent *) |
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102 { |
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103 QPainter painter(this); |
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104 painter.setPen(palette().text().color()); |
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105 painter.drawText(rect(), Qt::AlignCenter, lbl); |
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106 //! [3] //! [4] |
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107 } |
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108 //! [4] |