Mercurial > octave
annotate libgui/graphics/SliderControl.cc @ 29992:6ea4a84df9c7
rename QtHandles namespace to octave
To simplify the codebase, replace QtHandles top-level namespace by
octave. Since the header files for the Qt graphics code are not
installed, this change shouldn't cause trouble for any external
packages so we shouldn't need to provide an alias, even temporarily.
Modified files: BaseControl.cc, BaseControl.h, ButtonControl.cc,
ButtonControl.h, ButtonGroup.cc, ButtonGroup.h, Canvas.cc, Canvas.h,
CheckBoxControl.cc, CheckBoxControl.h, Container.cc, Container.h,
ContextMenu.cc, ContextMenu.h, EditControl.cc, EditControl.h,
Figure.cc, Figure.h, FigureWindow.cc, FigureWindow.h, GLCanvas.cc,
GLCanvas.h, GenericEventNotify.h, KeyMap.cc, KeyMap.h,
ListBoxControl.cc, ListBoxControl.h, Logger.cc, Logger.h, Menu.cc,
Menu.h, MenuContainer.h, Object.cc, Object.h, ObjectProxy.cc,
ObjectProxy.h, Panel.cc, Panel.h, PopupMenuControl.cc,
PopupMenuControl.h, PushButtonControl.cc, PushButtonControl.h,
PushTool.cc, PushTool.h, QtHandlesUtils.cc, QtHandlesUtils.h,
RadioButtonControl.cc, RadioButtonControl.h, SliderControl.cc,
SliderControl.h, Table.cc, Table.h, TextControl.cc, TextControl.h,
TextEdit.cc, TextEdit.h, ToggleButtonControl.cc,
ToggleButtonControl.h, ToggleTool.cc, ToggleTool.h, ToolBar.cc,
ToolBar.h, ToolBarButton.cc, ToolBarButton.h, annotation-dialog.cc,
qt-graphics-toolkit.cc, qt-graphics-toolkit.h, and graphics-init.cc.
author | John W. Eaton <jwe@octave.org> |
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date | Wed, 18 Aug 2021 00:21:26 -0400 |
parents | 3d34b70b5a49 |
children | d4d83344d653 |
rev | line source |
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1 //////////////////////////////////////////////////////////////////////// |
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2 // |
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3 // Copyright (C) 2011-2021 The Octave Project Developers |
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4 // |
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5 // See the file COPYRIGHT.md in the top-level directory of this |
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6 // distribution or <https://octave.org/copyright/>. |
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7 // |
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8 // This file is part of Octave. |
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9 // |
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10 // Octave is free software: you can redistribute it and/or modify it |
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11 // under the terms of the GNU General Public License as published by |
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12 // the Free Software Foundation, either version 3 of the License, or |
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13 // (at your option) any later version. |
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14 // |
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15 // Octave is distributed in the hope that it will be useful, but |
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16 // WITHOUT ANY WARRANTY; without even the implied warranty of |
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17 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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18 // GNU General Public License for more details. |
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19 // |
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20 // You should have received a copy of the GNU General Public License |
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21 // along with Octave; see the file COPYING. If not, see |
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22 // <https://www.gnu.org/licenses/>. |
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23 // |
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24 //////////////////////////////////////////////////////////////////////// |
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25 |
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26 #if defined (HAVE_CONFIG_H) |
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27 # include "config.h" |
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28 #endif |
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29 |
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30 #include <QScrollBar> |
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31 |
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32 #include "Container.h" |
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33 #include "SliderControl.h" |
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34 #include "QtHandlesUtils.h" |
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35 |
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36 #include "octave-qobject.h" |
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37 |
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38 #include "graphics.h" |
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39 #include "interpreter.h" |
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40 |
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41 #define RANGE_INT_MAX 1000000 |
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42 |
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43 namespace octave |
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44 { |
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45 |
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46 SliderControl* |
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47 SliderControl::create (octave::base_qobject& oct_qobj, |
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48 octave::interpreter& interp, |
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49 const graphics_object& go) |
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50 { |
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51 Object *parent = parentObject (interp, go); |
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52 |
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53 if (parent) |
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54 { |
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55 Container *container = parent->innerContainer (); |
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56 |
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57 if (container) |
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58 return new SliderControl (oct_qobj, interp, go, |
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59 new QScrollBar (container)); |
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60 } |
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61 |
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62 return nullptr; |
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63 } |
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64 |
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65 SliderControl::SliderControl (octave::base_qobject& oct_qobj, |
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66 octave::interpreter& interp, |
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67 const graphics_object& go, |
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68 QAbstractSlider *slider) |
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69 : BaseControl (oct_qobj, interp, go, slider), m_blockUpdates (false) |
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70 { |
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71 uicontrol::properties& up = properties<uicontrol> (); |
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72 |
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73 slider->setTracking (false); |
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74 Matrix bb = up.get_boundingbox (); |
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75 bool vertical_slider = ( bb(2) < bb(3) ); |
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76 slider->setOrientation (vertical_slider ? Qt::Vertical : Qt::Horizontal); |
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77 if (vertical_slider) |
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78 slider->setInvertedAppearance (true); // Matlab compatibility |
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79 Matrix steps = up.get_sliderstep ().matrix_value (); |
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80 slider->setMinimum (0); |
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81 slider->setMaximum (RANGE_INT_MAX); |
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82 slider->setSingleStep (octave::math::round (steps(0) * RANGE_INT_MAX)); |
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83 slider->setPageStep (octave::math::round (steps(1) * RANGE_INT_MAX)); |
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84 Matrix value = up.get_value ().matrix_value (); |
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85 if (value.numel () > 0) |
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86 { |
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87 double dmin = up.get_min (), dmax = up.get_max (); |
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88 |
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89 slider->setValue (octave::math::round (((value(0) - dmin) / (dmax - dmin)) |
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90 * RANGE_INT_MAX)); |
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91 } |
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92 |
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93 connect (slider, &QAbstractSlider::valueChanged, |
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94 this, &SliderControl::valueChanged); |
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95 } |
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96 |
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97 SliderControl::~SliderControl (void) |
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98 { } |
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99 |
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100 void |
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101 SliderControl::update (int pId) |
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102 { |
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103 uicontrol::properties& up = properties<uicontrol> (); |
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104 QScrollBar *slider = qWidget<QScrollBar> (); |
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105 |
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106 switch (pId) |
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107 { |
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108 case uicontrol::properties::ID_SLIDERSTEP: |
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109 { |
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110 Matrix steps = up.get_sliderstep ().matrix_value (); |
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111 |
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112 slider->setSingleStep (octave::math::round (steps(0) * RANGE_INT_MAX)); |
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113 slider->setPageStep (octave::math::round (steps(1) * RANGE_INT_MAX)); |
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114 } |
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115 break; |
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116 |
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117 case uicontrol::properties::ID_VALUE: |
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118 { |
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119 Matrix value = up.get_value ().matrix_value (); |
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120 double dmax = up.get_max (), dmin = up.get_min (); |
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121 |
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122 if (value.numel () > 0) |
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123 { |
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124 int ival = octave::math::round (((value(0) - dmin) / (dmax - dmin)) |
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125 * RANGE_INT_MAX); |
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126 |
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127 m_blockUpdates = true; |
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128 slider->setValue (ival); |
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129 m_blockUpdates = false; |
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130 } |
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131 } |
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132 break; |
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133 |
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134 default: |
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135 BaseControl::update (pId); |
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136 break; |
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137 } |
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138 } |
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139 |
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140 void |
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141 SliderControl::valueChanged (int ival) |
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142 { |
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143 if (! m_blockUpdates) |
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144 { |
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145 gh_manager& gh_mgr = m_interpreter.get_gh_manager (); |
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146 |
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147 octave::autolock guard (gh_mgr.graphics_lock ()); |
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148 |
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149 graphics_object go = object (); |
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150 |
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151 if (go.valid_object ()) |
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152 { |
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153 uicontrol::properties& up = Utils::properties<uicontrol> (go); |
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154 |
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155 Matrix value = up.get_value ().matrix_value (); |
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156 double dmin = up.get_min (), dmax = up.get_max (); |
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157 |
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158 int ival_tmp = (value.numel () > 0 ? |
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159 octave::math::round (((value(0) - dmin) / (dmax - dmin)) |
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160 * RANGE_INT_MAX) : |
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161 0); |
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162 |
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163 if (ival != ival_tmp || value.numel () > 0) |
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164 { |
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165 double dval = dmin + (ival * (dmax - dmin) / RANGE_INT_MAX); |
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166 |
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167 emit gh_set_event (m_handle, "value", octave_value (dval)); |
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168 emit gh_callback_event (m_handle, "callback"); |
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169 } |
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170 } |
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171 } |
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172 } |
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173 |
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174 } |