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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 <QtGui> |
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43 |
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44 #include "iconpreviewarea.h" |
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45 |
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46 //! [0] |
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47 IconPreviewArea::IconPreviewArea(QWidget *parent) |
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48 : QWidget(parent) |
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49 { |
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50 QGridLayout *mainLayout = new QGridLayout; |
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51 setLayout(mainLayout); |
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52 |
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53 stateLabels[0] = createHeaderLabel(tr("Off")); |
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54 stateLabels[1] = createHeaderLabel(tr("On")); |
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55 Q_ASSERT(NumStates == 2); |
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56 |
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57 modeLabels[0] = createHeaderLabel(tr("Normal")); |
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58 modeLabels[1] = createHeaderLabel(tr("Active")); |
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59 modeLabels[2] = createHeaderLabel(tr("Disabled")); |
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60 modeLabels[3] = createHeaderLabel(tr("Selected")); |
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61 Q_ASSERT(NumModes == 4); |
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62 |
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63 for (int j = 0; j < NumStates; ++j) |
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64 mainLayout->addWidget(stateLabels[j], j + 1, 0); |
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65 |
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66 for (int i = 0; i < NumModes; ++i) { |
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67 mainLayout->addWidget(modeLabels[i], 0, i + 1); |
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68 |
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69 for (int j = 0; j < NumStates; ++j) { |
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70 pixmapLabels[i][j] = createPixmapLabel(); |
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71 mainLayout->addWidget(pixmapLabels[i][j], j + 1, i + 1); |
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72 } |
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73 } |
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74 } |
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75 //! [0] |
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76 |
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77 //! [1] |
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78 void IconPreviewArea::setIcon(const QIcon &icon) |
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79 { |
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80 this->icon = icon; |
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81 updatePixmapLabels(); |
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82 } |
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83 //! [1] |
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84 |
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85 //! [2] |
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86 void IconPreviewArea::setSize(const QSize &size) |
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87 { |
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88 if (size != this->size) { |
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89 this->size = size; |
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90 updatePixmapLabels(); |
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91 } |
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92 } |
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93 //! [2] |
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94 |
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95 //! [3] |
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96 QLabel *IconPreviewArea::createHeaderLabel(const QString &text) |
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97 { |
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98 QLabel *label = new QLabel(tr("<b>%1</b>").arg(text)); |
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99 label->setAlignment(Qt::AlignCenter); |
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100 return label; |
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101 } |
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102 //! [3] |
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103 |
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104 //! [4] |
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105 QLabel *IconPreviewArea::createPixmapLabel() |
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106 { |
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107 QLabel *label = new QLabel; |
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108 label->setEnabled(false); |
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109 label->setAlignment(Qt::AlignCenter); |
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110 label->setFrameShape(QFrame::Box); |
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111 label->setSizePolicy(QSizePolicy::Expanding, QSizePolicy::Expanding); |
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112 label->setBackgroundRole(QPalette::Base); |
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113 label->setAutoFillBackground(true); |
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114 label->setMinimumSize(132, 132); |
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115 return label; |
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116 } |
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117 //! [4] |
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118 |
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119 //! [5] |
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120 void IconPreviewArea::updatePixmapLabels() |
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121 { |
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122 for (int i = 0; i < NumModes; ++i) { |
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123 QIcon::Mode mode; |
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124 if (i == 0) { |
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125 mode = QIcon::Normal; |
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126 } else if (i == 1) { |
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127 mode = QIcon::Active; |
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128 } else if (i == 2) { |
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129 mode = QIcon::Disabled; |
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130 } else { |
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131 mode = QIcon::Selected; |
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132 } |
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133 |
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134 for (int j = 0; j < NumStates; ++j) { |
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135 QIcon::State state = (j == 0) ? QIcon::Off : QIcon::On; |
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136 QPixmap pixmap = icon.pixmap(size, mode, state); |
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137 pixmapLabels[i][j]->setPixmap(pixmap); |
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138 pixmapLabels[i][j]->setEnabled(!pixmap.isNull()); |
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139 } |
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140 } |
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141 } |
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142 //! [5] |