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annotate examples/layouts/dynamiclayouts/dialog.d @ 406:778ef7374fb5

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Fixes for 64 bit. Now all examples compile with gdc 64 bit
author Eldar Insafutdinov
date Fri, 18 Mar 2011 00:30:48 +0000
parents 185df9220ea7
children
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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 ** Contact: Qt Software Information (qt-info@nokia.com)
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5 **
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6 ** This file is part of the examples of the Qt Toolkit.
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7 **
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8 ** $QT_BEGIN_LICENSE:LGPL$
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9 ** Commercial Usage
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10 ** Licensees holding valid Qt Commercial licenses may use this file in
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11 ** accordance with the Qt Commercial License Agreement provided with the
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12 ** Software or, alternatively, in accordance with the terms contained in
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13 ** a written agreement between you and Nokia.
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14 **
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15 ** GNU Lesser General Public License Usage
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16 ** Alternatively, this file may be used under the terms of the GNU Lesser
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17 ** General Public License version 2.1 as published by the Free Software
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18 ** Foundation and appearing in the file LICENSE.LGPL included in the
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19 ** packaging of this file. Please review the following information to
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20 ** ensure the GNU Lesser General Public License version 2.1 requirements
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21 ** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
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22 **
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23 ** In addition, as a special exception, Nokia gives you certain
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24 ** additional rights. These rights are described in the Nokia Qt LGPL
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25 ** Exception version 1.0, included in the file LGPL_EXCEPTION.txt in this
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26 ** 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 are unsure which license is appropriate for your use, please
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37 ** contact the sales department at qt-sales@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 module dialog;
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42
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43
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44 import qt.gui.QDialog;
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45 import qt.gui.QGroupBox;
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46 import qt.gui.QGridLayout;
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47 import qt.gui.QLabel;
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48 import qt.gui.QComboBox;
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49 import qt.gui.QDialogButtonBox;
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50 import qt.gui.QPushButton;
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51 import qt.gui.QMessageBox;
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52 import qt.gui.QSpinBox;
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53 import qt.gui.QDial;
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54 import qt.gui.QProgressBar;
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55
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56
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57 class Dialog : public QDialog
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58 {
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59 public:
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60
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61 this(QWidget parent = null)
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62 {
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63 super(parent);
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64
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65 createRotableGroupBox();
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66 createOptionsGroupBox();
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67 createButtonBox();
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69 mainLayout = new QGridLayout;
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70 mainLayout.addWidget(rotableGroupBox, 0, 0);
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71 mainLayout.addWidget(optionsGroupBox, 1, 0);
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72 mainLayout.addWidget(buttonBox, 2, 0);
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73 setLayout(mainLayout);
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75 mainLayout.setSizeConstraint(QLayout.SetMinimumSize);
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76
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77 setWindowTitle(tr("Dynamic Layouts"));
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78 }
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79
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80 private: // slots
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82 void slot_buttonsOrientationChanged(int index)
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83 {
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84 mainLayout.setSizeConstraint(QLayout.SetNoConstraint);
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85 setMinimumSize(0, 0);
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87 Qt.Orientation orientation = cast(Qt.Orientation) buttonsOrientationComboBox.itemData(index).toInt();
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89 if (orientation == buttonBox.orientation())
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90 return;
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92 mainLayout.removeWidget(buttonBox);
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94 int spacing = mainLayout.spacing();
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95
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96 QSize oldSizeHint = buttonBox.sizeHint() + QSize(spacing, spacing);
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97 buttonBox.setOrientation(orientation);
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98 QSize newSizeHint = buttonBox.sizeHint() + QSize(spacing, spacing);
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99
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100 if (orientation == Qt.Orientation.Horizontal) {
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101 mainLayout.addWidget(buttonBox, 2, 0);
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102 resize(size() + QSize(-1 * oldSizeHint.width(), newSizeHint.height()));
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103 } else {
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104 mainLayout.addWidget(buttonBox, 0, 3, 2, 1);
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105 resize(size() + QSize(newSizeHint.width(), -1 * oldSizeHint.height()));
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106 }
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108 mainLayout.setSizeConstraint(QLayout.SetDefaultConstraint);
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109 }
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111 void slot_rotateWidgets()
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112 {
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113 assert(rotableWidgets.length % 2 == 0);
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114
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115 foreach (QWidget widget; rotableWidgets)
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116 rotableLayout.removeWidget(widget);
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117
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118 rotableWidgets = rotableWidgets[1..$] ~ rotableWidgets[0];
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120 auto n = rotableWidgets.length;
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121 for (int i = 0; i < n / 2; ++i) {
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122 rotableLayout.addWidget(rotableWidgets[n - i - 1], 0, i);
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123 rotableLayout.addWidget(rotableWidgets[i], 1, i);
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124 }
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125 }
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127 void slot_help()
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128 {
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129 QMessageBox.information(this, tr("Dynamic Layouts Help"),
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130 tr("This example shows how to change layouts dynamically."));
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131 }
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133 private:
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134
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135 void createRotableGroupBox()
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136 {
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137 rotableGroupBox = new QGroupBox(tr("Rotable Widgets"));
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138
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139 auto a0 = new QSpinBox;
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140 auto a1 = new QSlider;
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141 auto a2 = new QDial;
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142 auto a3 = new QProgressBar;
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144 rotableWidgets ~= a0;
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145 rotableWidgets ~= a1;
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146 rotableWidgets ~= a2;
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147 rotableWidgets ~= a3;
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148
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149 auto n = rotableWidgets.length;
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151 for (int i = 0; i < n; ++i)
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152 connect(rotableWidgets[i], "valueChanged", rotableWidgets[(i + 1) % n], "setValue");
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153
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154 rotableLayout = new QGridLayout;
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155 rotableGroupBox.setLayout(rotableLayout);
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156
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157 rotateWidgets();
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158
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159 }
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160
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161 void createOptionsGroupBox()
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162 {
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163 optionsGroupBox = new QGroupBox(tr("Options"));
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164
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165 buttonsOrientationLabel = new QLabel(tr("Orientation of buttons:"));
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166
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167 buttonsOrientationComboBox = new QComboBox;
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168 buttonsOrientationComboBox.addItem(tr("Horizontal"), new QVariant(cast(ulong) Qt.Horizontal));
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169 buttonsOrientationComboBox.addItem(tr("Vertical"), new QVariant(cast(ulong) Qt.Vertical));
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170
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171 connect(buttonsOrientationComboBox, "currentIndexChanged", this, "buttonsOrientationChanged");
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172
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173 optionsLayout = new QGridLayout;
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174 optionsLayout.addWidget(buttonsOrientationLabel, 0, 0);
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175 optionsLayout.addWidget(buttonsOrientationComboBox, 0, 1);
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176 optionsLayout.setColumnStretch(2, 1);
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177 optionsGroupBox.setLayout(optionsLayout);
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178 }
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179
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180 void createButtonBox()
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181 {
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182 buttonBox = new QDialogButtonBox;
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183
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184 closeButton = buttonBox.addButton(QDialogButtonBox.Close);
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185 helpButton = buttonBox.addButton(QDialogButtonBox.Help);
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186 rotateWidgetsButton = buttonBox.addButton(tr("Rotate &Widgets"), QDialogButtonBox.ActionRole);
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187
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188 connect(rotateWidgetsButton, "clicked", this, "rotateWidgets");
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189 connect(closeButton, "clicked", this, "close");
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190 connect(helpButton, "clicked", this, "help");
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191 }
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192
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193 QGroupBox rotableGroupBox;
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194 QWidget[] rotableWidgets;
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195
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196 QGroupBox optionsGroupBox;
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197 QLabel buttonsOrientationLabel;
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198 QComboBox buttonsOrientationComboBox;
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199
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200 QDialogButtonBox buttonBox;
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201 QPushButton closeButton;
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202 QPushButton helpButton;
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203 QPushButton rotateWidgetsButton;
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204
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205 QGridLayout mainLayout;
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206 QGridLayout rotableLayout;
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207 QGridLayout optionsLayout;
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208
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209 mixin Q_OBJECT;
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210 }