Mercurial > octave
annotate libgui/graphics/Object.cc @ 25799:d04b74f5d02e
make shg and figure (N) activate and raise figure windows (bug #45943)
* figure.m, shg.m: Call __show_figure__.
* graphics.cc (F__show_figure__): New function.
* graphics-toolkit.h (base_graphics_toolkit::show_figure,
graphics_toolkit::show_figure): New functions.
* Backend.h, Backend.cc (Backend::show_figure): New function.
* ObjectProxy.h, ObjectProxy.cc (ObjectProxy::init): Handle connection
between sendShow signal and slotShow slot.
(ObjectProxy::show): New function.
(ObjectProxy::sendShow): New signal.
* Object.h, Object.cc (Object::slotShow): New slot.
(Object::show): New virtual function.
* Figure.h, Figure.cc (Figure::show): New function.
author | John W. Eaton <jwe@octave.org> |
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date | Wed, 15 Aug 2018 15:26:10 -0400 |
parents | 6652d3823428 |
children | 00f796120a6d |
rev | line source |
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1 /* |
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2 |
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3 Copyright (C) 2011-2018 Michael Goffioul |
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4 |
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5 This file is part of Octave. |
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6 |
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7 Octave is free software: you can redistribute it and/or modify it |
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8 under the terms of the GNU General Public License as published by |
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9 the Free Software Foundation, either version 3 of the License, or |
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10 (at your option) any later version. |
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11 |
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12 Octave is distributed in the hope that it will be useful, but |
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13 WITHOUT ANY WARRANTY; without even the implied warranty of |
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14 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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15 GNU General Public License for more details. |
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16 |
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17 You should have received a copy of the GNU General Public License |
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18 along with Octave; see the file COPYING. If not, see |
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19 <https://www.gnu.org/licenses/>. |
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20 |
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21 */ |
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22 |
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23 #if defined (HAVE_CONFIG_H) |
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24 # include "config.h" |
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25 #endif |
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26 |
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27 #include <QString> |
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28 #include <QVariant> |
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29 |
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30 #include "Backend.h" |
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31 #include "Object.h" |
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32 #include "QtHandlesUtils.h" |
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33 |
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34 namespace QtHandles |
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35 { |
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36 |
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37 Object::Object (const graphics_object& go, QObject *obj) |
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38 : QObject (), m_go (go), m_handle (go.get_handle ()), m_qobject (nullptr) |
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39 { |
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40 gh_manager::auto_lock lock (false); |
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41 |
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42 if (! lock) |
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43 qCritical ("QtHandles::Object::Object: " |
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44 "creating Object (h=%g) without a valid lock!!!", |
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45 m_handle.value ()); |
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46 |
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47 init (obj); |
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48 } |
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49 |
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50 void |
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51 Object::init (QObject *obj, bool) |
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52 { |
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53 if (m_qobject) |
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54 qCritical ("QtHandles::Object::init: " |
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55 "resetting QObject while in invalid state"); |
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56 |
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57 m_qobject = obj; |
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58 |
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59 if (m_qobject) |
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60 { |
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61 m_qobject->setProperty ("QtHandles::Object", |
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62 qVariantFromValue<void*> (this)); |
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63 connect (m_qobject, SIGNAL (destroyed (QObject*)), |
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64 SLOT (objectDestroyed (QObject*))); |
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65 } |
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66 } |
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67 |
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68 Object::~Object (void) |
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69 { } |
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70 |
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71 graphics_object |
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72 Object::object (void) const |
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73 { |
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74 gh_manager::auto_lock lock (false); |
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75 |
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76 if (! lock) |
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77 qCritical ("QtHandles::Object::object: " |
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78 "accessing graphics object (h=%g) without a valid lock!!!", |
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79 m_handle.value ()); |
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80 |
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81 return m_go; |
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82 } |
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83 |
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84 void |
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85 Object::slotUpdate (int pId) |
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86 { |
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87 gh_manager::auto_lock lock; |
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88 |
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89 switch (pId) |
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90 { |
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91 // Special case for objects being deleted, as it's very likely |
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92 // that the graphics_object already has been destroyed when this |
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93 // is executed (because of the async behavior). |
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94 case base_properties::ID_BEINGDELETED: |
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95 beingDeleted (); |
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96 break; |
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97 |
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98 default: |
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99 if (object ().valid_object ()) |
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100 update (pId); |
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101 break; |
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102 } |
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103 } |
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104 |
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105 void |
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106 Object::slotFinalize (void) |
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107 { |
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108 gh_manager::auto_lock lock; |
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109 |
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110 finalize (); |
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111 } |
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112 |
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113 void |
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114 Object::slotRedraw (void) |
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115 { |
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116 gh_manager::auto_lock lock; |
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117 |
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118 if (object ().valid_object ()) |
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119 redraw (); |
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120 } |
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121 |
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122 void |
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123 Object::slotShow (void) |
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124 { |
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125 gh_manager::auto_lock lock; |
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126 |
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127 if (object ().valid_object ()) |
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128 show (); |
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129 } |
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130 |
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131 void |
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132 Object::slotPrint (const QString& file_cmd, const QString& term) |
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133 { |
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134 gh_manager::auto_lock lock; |
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135 |
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136 if (object ().valid_object ()) |
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137 print (file_cmd, term); |
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138 } |
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139 |
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140 void |
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141 Object::update (int /* pId */) |
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142 { } |
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143 |
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144 void |
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145 Object::finalize (void) |
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146 { |
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147 if (m_qobject) |
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148 { |
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149 delete m_qobject; |
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150 m_qobject = nullptr; |
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151 } |
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152 deleteLater (); |
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153 } |
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154 |
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155 void |
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156 Object::redraw (void) |
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157 { } |
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158 |
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159 void |
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160 Object::show (void) |
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161 { } |
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162 |
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163 void |
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164 Object::print (const QString& /* file_cmd */, const QString& /* term */) |
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165 { } |
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166 |
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167 void |
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168 Object::beingDeleted (void) |
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169 { } |
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170 |
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171 void Object::objectDestroyed (QObject *obj) |
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172 { |
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173 if (obj && obj == m_qobject) |
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174 m_qobject = nullptr; |
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175 } |
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176 |
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177 Object* |
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178 Object::parentObject (const graphics_object& go) |
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179 { |
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180 gh_manager::auto_lock lock; |
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181 |
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182 Object *parent = Backend::toolkitObject |
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183 (gh_manager::get_object (go.get_parent ())); |
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184 |
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185 return parent; |
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186 } |
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187 |
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188 Object* |
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189 Object::fromQObject (QObject *obj) |
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190 { |
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191 QVariant v = obj->property ("QtHandles::Object"); |
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192 |
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193 if (v.isValid ()) |
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194 return reinterpret_cast<Object *> (qvariant_cast<void*> (v)); |
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195 |
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196 return nullptr; |
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197 } |
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198 |
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199 } |