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annotate libgui/graphics/Object.cc @ 29358:0a5b15007766 stable

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update Octave Project Developers copyright for the new year In files that have the "Octave Project Developers" copyright notice, update for 2021.
author John W. Eaton <jwe@octave.org>
date Wed, 10 Feb 2021 09:52:15 -0500
parents f4642bf156f0
children 3d34b70b5a49
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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 <QString>
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31 #include <QVariant>
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32
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33 #include "Object.h"
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34 #include "QtHandlesUtils.h"
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35 #include "octave-qobject.h"
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36 #include "qt-graphics-toolkit.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 namespace QtHandles
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42 {
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43
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44 Object::Object (octave::base_qobject& oct_qobj, octave::interpreter& interp,
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45 const graphics_object& go, QObject *obj)
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46 : QObject (), m_octave_qobj (oct_qobj), m_interpreter (interp),
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47 m_go (go), m_handle (go.get_handle ()), m_qobject (nullptr)
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48 {
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49 gh_manager& gh_mgr = m_interpreter.get_gh_manager ();
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50
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51 octave::autolock guard (gh_mgr.graphics_lock ());
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52
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53 if (! guard)
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54 qCritical ("QtHandles::Object::Object: "
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55 "creating Object (h=%g) without a valid lock!!!",
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56 m_handle.value ());
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57
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58 init (obj);
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59 }
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60
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61 void
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62 Object::init (QObject *obj, bool)
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63 {
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64 if (m_qobject)
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65 qCritical ("QtHandles::Object::init: "
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66 "resetting QObject while in invalid state");
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67
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68 m_qobject = obj;
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69
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70 if (m_qobject)
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71 {
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72 m_qobject->setProperty ("QtHandles::Object",
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73 QVariant::fromValue<void*> (this));
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74 connect (m_qobject, SIGNAL (destroyed (QObject*)),
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75 SLOT (objectDestroyed (QObject*)));
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76 }
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77 }
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78
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79 Object::~Object (void)
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80 { }
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81
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82 graphics_object
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83 Object::object (void) const
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84 {
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85 gh_manager& gh_mgr = m_interpreter.get_gh_manager ();
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86
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87 octave::autolock guard (gh_mgr.graphics_lock (), false);
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88
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89 if (! guard)
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90 qCritical ("QtHandles::Object::object: "
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91 "accessing graphics object (h=%g) without a valid lock!!!",
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92 m_handle.value ());
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93
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94 return m_go;
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95 }
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96
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97 void
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98 Object::slotUpdate (int pId)
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99 {
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100 gh_manager& gh_mgr = m_interpreter.get_gh_manager ();
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101
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102 octave::autolock guard (gh_mgr.graphics_lock ());
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103
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104 switch (pId)
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105 {
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106 // Special case for objects being deleted, as it's very likely
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107 // that the graphics_object already has been destroyed when this
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108 // is executed (because of the async behavior).
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109 case base_properties::ID_BEINGDELETED:
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110 beingDeleted ();
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111 break;
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112
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113 default:
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114 if (object ().valid_object ())
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115 update (pId);
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116 break;
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117 }
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118 }
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119
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120 void
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121 Object::slotFinalize (void)
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122 {
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123 gh_manager& gh_mgr = m_interpreter.get_gh_manager ();
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124
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125 octave::autolock guard (gh_mgr.graphics_lock ());
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126
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127 finalize ();
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128 }
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129
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130 void
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131 Object::slotRedraw (void)
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132 {
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133 gh_manager& gh_mgr = m_interpreter.get_gh_manager ();
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134
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135 octave::autolock guard (gh_mgr.graphics_lock ());
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136
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137 if (object ().valid_object ())
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138 redraw ();
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139 }
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140
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141 void
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142 Object::slotShow (void)
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143 {
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144 gh_manager& gh_mgr = m_interpreter.get_gh_manager ();
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145
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146 octave::autolock guard (gh_mgr.graphics_lock ());
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147
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148 if (object ().valid_object ())
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149 show ();
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150 }
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151
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152 void
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153 Object::slotPrint (const QString& file_cmd, const QString& term)
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154 {
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155 gh_manager& gh_mgr = m_interpreter.get_gh_manager ();
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156
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157 octave::autolock guard (gh_mgr.graphics_lock ());
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158
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159 if (object ().valid_object ())
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160 print (file_cmd, term);
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161 }
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162
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163 void
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164 Object::update (int /* pId */)
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165 { }
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166
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167 void
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168 Object::finalize (void)
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169 {
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170 if (m_qobject)
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171 {
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172 delete m_qobject;
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173 m_qobject = nullptr;
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174 }
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175 deleteLater ();
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176 }
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177
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178 void
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179 Object::redraw (void)
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180 { }
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181
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182 void
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183 Object::show (void)
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184 { }
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185
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186 void
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187 Object::print (const QString& /* file_cmd */, const QString& /* term */)
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188 { }
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189
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190 void
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191 Object::beingDeleted (void)
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192 { }
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193
23449
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194 void Object::objectDestroyed (QObject *obj)
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195 {
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196 if (obj && obj == m_qobject)
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197 m_qobject = nullptr;
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198 }
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199
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200 Object*
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201 Object::parentObject (octave::interpreter& interp, const graphics_object& go)
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202 {
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203 gh_manager& gh_mgr = interp.get_gh_manager ();
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204
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205 octave::autolock guard (gh_mgr.graphics_lock ());
19954
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206
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207 Object *parent = qt_graphics_toolkit::toolkitObject
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208 (gh_mgr.get_object (go.get_parent ()));
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209
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210 return parent;
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211 }
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212
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213 Object*
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214 Object::fromQObject (QObject *obj)
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215 {
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216 QVariant v = obj->property ("QtHandles::Object");
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217
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218 if (v.isValid ())
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219 return reinterpret_cast<Object *> (qvariant_cast<void*> (v));
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220
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221 return nullptr;
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222 }
18498
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223
27376
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224 void
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diff changeset
225 Object::do_connections (const QObject *receiver, const QObject *emitter)
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226 {
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diff changeset
227 if (! emitter)
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diff changeset
228 emitter = this;
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229
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230 connect (emitter,
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diff changeset
231 SIGNAL (interpreter_event (const octave::fcn_callback&)),
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diff changeset
232 receiver,
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diff changeset
233 SLOT (interpreter_event (const octave::fcn_callback&)));
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234
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diff changeset
235 connect (emitter,
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diff changeset
236 SIGNAL (interpreter_event (const octave::meth_callback&)),
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diff changeset
237 receiver,
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diff changeset
238 SLOT (interpreter_event (const octave::meth_callback&)));
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diff changeset
239
1952e110d346 Allow Qt graphics callbacks to work again (bug #56857)
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diff changeset
240 connect (emitter,
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diff changeset
241 SIGNAL (gh_callback_event (const graphics_handle&,
1952e110d346 Allow Qt graphics callbacks to work again (bug #56857)
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diff changeset
242 const std::string&)),
1952e110d346 Allow Qt graphics callbacks to work again (bug #56857)
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diff changeset
243 receiver,
1952e110d346 Allow Qt graphics callbacks to work again (bug #56857)
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diff changeset
244 SLOT (gh_callback_event (const graphics_handle&,
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diff changeset
245 const std::string&)));
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diff changeset
246
1952e110d346 Allow Qt graphics callbacks to work again (bug #56857)
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diff changeset
247 connect (emitter,
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diff changeset
248 SIGNAL (gh_callback_event (const graphics_handle&,
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diff changeset
249 const std::string&,
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diff changeset
250 const octave_value&)),
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diff changeset
251 receiver,
1952e110d346 Allow Qt graphics callbacks to work again (bug #56857)
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diff changeset
252 SLOT (gh_callback_event (const graphics_handle&,
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diff changeset
253 const std::string&,
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diff changeset
254 const octave_value&)));
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diff changeset
255
1952e110d346 Allow Qt graphics callbacks to work again (bug #56857)
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diff changeset
256 connect (emitter,
1952e110d346 Allow Qt graphics callbacks to work again (bug #56857)
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diff changeset
257 SIGNAL (gh_set_event (const graphics_handle&,
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diff changeset
258 const std::string&,
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diff changeset
259 const octave_value&)),
1952e110d346 Allow Qt graphics callbacks to work again (bug #56857)
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diff changeset
260 receiver,
1952e110d346 Allow Qt graphics callbacks to work again (bug #56857)
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diff changeset
261 SLOT (gh_set_event (const graphics_handle&,
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diff changeset
262 const std::string&,
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diff changeset
263 const octave_value&)));
1952e110d346 Allow Qt graphics callbacks to work again (bug #56857)
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diff changeset
264
1952e110d346 Allow Qt graphics callbacks to work again (bug #56857)
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diff changeset
265 connect (emitter,
1952e110d346 Allow Qt graphics callbacks to work again (bug #56857)
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diff changeset
266 SIGNAL (gh_set_event (const graphics_handle&,
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diff changeset
267 const std::string&,
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diff changeset
268 const octave_value&, bool)),
1952e110d346 Allow Qt graphics callbacks to work again (bug #56857)
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diff changeset
269 receiver,
1952e110d346 Allow Qt graphics callbacks to work again (bug #56857)
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diff changeset
270 SLOT (gh_set_event (const graphics_handle&,
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diff changeset
271 const std::string&,
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diff changeset
272 const octave_value&, bool)));
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diff changeset
273
1952e110d346 Allow Qt graphics callbacks to work again (bug #56857)
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diff changeset
274 connect (emitter,
1952e110d346 Allow Qt graphics callbacks to work again (bug #56857)
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diff changeset
275 SIGNAL (gh_set_event (const graphics_handle&,
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diff changeset
276 const std::string&,
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diff changeset
277 const octave_value&,
1952e110d346 Allow Qt graphics callbacks to work again (bug #56857)
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278 bool, bool)),
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279 receiver,
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280 SLOT (gh_set_event (const graphics_handle&,
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281 const std::string&,
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282 const octave_value&,
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283 bool, bool)));
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284 }
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285
22413
8758addcf265 maint: Remove ';' at end of namespace declaration.
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286 }