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annotate libgui/graphics/Object.cc @ 31649:deb553ac2c54

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maint: Merge stable to default.
author John W. Eaton <jwe@octave.org>
date Tue, 06 Dec 2022 15:45:27 -0500
parents 431f80aba37a 29d734430e5f
children 5f11de0e7440
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1 ////////////////////////////////////////////////////////////////////////
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2 //
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3 // Copyright (C) 2011-2022 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 "qt-graphics-toolkit.h"
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36
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37 #include "graphics.h"
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38 #include "interpreter.h"
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39
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40 OCTAVE_BEGIN_NAMESPACE(octave)
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41
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42 Object::Object (octave::interpreter& interp,
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43 const graphics_object& go, QObject *obj)
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44 : QObject (), m_interpreter (interp), m_go (go),
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45 m_handle (go.get_handle ()), m_qobject (nullptr)
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46 {
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47 gh_manager& gh_mgr = m_interpreter.get_gh_manager ();
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48
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49 octave::autolock guard (gh_mgr.graphics_lock ());
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50
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51 if (! guard)
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52 qCritical ("octave::Object::Object: "
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53 "creating Object (h=%g) without a valid lock!!!",
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54 m_handle.value ());
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55
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56 init (obj);
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57 }
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58
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59 void
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60 Object::init (QObject *obj, bool)
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61 {
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62 if (m_qobject)
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63 qCritical ("octave::Object::init: "
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64 "resetting QObject while in invalid state");
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65
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66 m_qobject = obj;
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67
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68 if (m_qobject)
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69 {
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70 m_qobject->setProperty ("octave::Object",
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71 QVariant::fromValue<void *> (this));
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72 connect (m_qobject, &QObject::destroyed,
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73 this, &Object::objectDestroyed);
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74 }
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75 }
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76
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77 Object::~Object (void)
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78 { }
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79
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80 graphics_object
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81 Object::object (void) const
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82 {
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83 gh_manager& gh_mgr = m_interpreter.get_gh_manager ();
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84
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85 octave::autolock guard (gh_mgr.graphics_lock (), false);
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86
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87 if (! guard)
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88 qCritical ("octave::Object::object: "
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89 "accessing graphics object (h=%g) without a valid lock!!!",
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90 m_handle.value ());
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91
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92 return m_go;
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93 }
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94
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95 void
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96 Object::slotUpdate (int pId)
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97 {
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98 gh_manager& gh_mgr = m_interpreter.get_gh_manager ();
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99
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100 octave::autolock guard (gh_mgr.graphics_lock ());
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101
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102 switch (pId)
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103 {
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104 // Special case for objects being deleted, as it's very likely
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105 // that the graphics_object already has been destroyed when this
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106 // is executed (because of the async behavior).
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107 case base_properties::ID_BEINGDELETED:
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108 beingDeleted ();
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109 break;
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110
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111 default:
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112 if (object ().valid_object ())
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113 update (pId);
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114 break;
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115 }
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116 }
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117
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118 void
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119 Object::slotFinalize (void)
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120 {
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121 gh_manager& gh_mgr = m_interpreter.get_gh_manager ();
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122
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123 octave::autolock guard (gh_mgr.graphics_lock ());
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124
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125 finalize ();
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126 }
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127
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128 void
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129 Object::slotRedraw (void)
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130 {
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131 gh_manager& gh_mgr = m_interpreter.get_gh_manager ();
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132
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133 octave::autolock guard (gh_mgr.graphics_lock ());
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134
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135 if (object ().valid_object ())
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136 redraw ();
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137 }
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138
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139 void
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140 Object::slotShow (void)
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141 {
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142 gh_manager& gh_mgr = m_interpreter.get_gh_manager ();
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143
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144 octave::autolock guard (gh_mgr.graphics_lock ());
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145
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146 if (object ().valid_object ())
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147 show ();
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148 }
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149
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150 void
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151 Object::slotPrint (const QString& file_cmd, const QString& term)
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152 {
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153 gh_manager& gh_mgr = m_interpreter.get_gh_manager ();
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154
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155 octave::autolock guard (gh_mgr.graphics_lock ());
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156
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157 if (object ().valid_object ())
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158 print (file_cmd, term);
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159 }
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160
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161 void
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162 Object::update (int /* pId */)
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163 { }
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164
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165 void
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166 Object::finalize (void)
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167 {
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168 if (m_qobject)
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169 {
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170 delete m_qobject;
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171 m_qobject = nullptr;
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172 }
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173 deleteLater ();
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174 }
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175
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176 void
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177 Object::redraw (void)
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178 { }
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179
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180 void
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181 Object::show (void)
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182 { }
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183
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184 void
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185 Object::print (const QString& /* file_cmd */, const QString& /* term */)
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186 { }
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187
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188 void
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189 Object::beingDeleted (void)
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190 { }
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191
23449
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192 void Object::objectDestroyed (QObject *obj)
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193 {
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194 if (obj && obj == m_qobject)
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195 m_qobject = nullptr;
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196 }
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197
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198 Object *
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199 Object::parentObject (octave::interpreter& interp, const graphics_object& go)
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200 {
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201 gh_manager& gh_mgr = interp.get_gh_manager ();
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202
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203 octave::autolock guard (gh_mgr.graphics_lock ());
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204
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205 Object *parent = qt_graphics_toolkit::toolkitObject
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206 (gh_mgr.get_object (go.get_parent ()));
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207
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208 return parent;
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209 }
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210
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211 Object *
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212 Object::fromQObject (QObject *obj)
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213 {
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214 QVariant v = obj->property ("octave::Object");
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215
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216 if (v.isValid ())
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217 return reinterpret_cast<Object *> (qvariant_cast<void *> (v));
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218
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219 return nullptr;
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220 }
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221
27376
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222 void
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diff changeset
223 Object::do_connections (const QObject *receiver, const QObject *emitter)
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224 {
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diff changeset
225 if (! emitter)
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diff changeset
226 emitter = this;
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227
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228 connect (emitter,
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diff changeset
229 SIGNAL (interpreter_event (const octave::fcn_callback&)),
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diff changeset
230 receiver,
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diff changeset
231 SLOT (interpreter_event (const octave::fcn_callback&)));
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diff changeset
232
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diff changeset
233 connect (emitter,
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diff changeset
234 SIGNAL (interpreter_event (const octave::meth_callback&)),
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diff changeset
235 receiver,
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diff changeset
236 SLOT (interpreter_event (const octave::meth_callback&)));
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diff changeset
237
1952e110d346 Allow Qt graphics callbacks to work again (bug #56857)
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diff changeset
238 connect (emitter,
1952e110d346 Allow Qt graphics callbacks to work again (bug #56857)
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diff changeset
239 SIGNAL (gh_callback_event (const graphics_handle&,
1952e110d346 Allow Qt graphics callbacks to work again (bug #56857)
Pantxo Diribarne <pantxo.diribarne@gmail.com>
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diff changeset
240 const std::string&)),
1952e110d346 Allow Qt graphics callbacks to work again (bug #56857)
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diff changeset
241 receiver,
1952e110d346 Allow Qt graphics callbacks to work again (bug #56857)
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diff changeset
242 SLOT (gh_callback_event (const graphics_handle&,
1952e110d346 Allow Qt graphics callbacks to work again (bug #56857)
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diff changeset
243 const std::string&)));
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diff changeset
244
1952e110d346 Allow Qt graphics callbacks to work again (bug #56857)
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diff changeset
245 connect (emitter,
1952e110d346 Allow Qt graphics callbacks to work again (bug #56857)
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diff changeset
246 SIGNAL (gh_callback_event (const graphics_handle&,
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diff changeset
247 const std::string&,
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diff changeset
248 const octave_value&)),
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diff changeset
249 receiver,
1952e110d346 Allow Qt graphics callbacks to work again (bug #56857)
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diff changeset
250 SLOT (gh_callback_event (const graphics_handle&,
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diff changeset
251 const std::string&,
27376
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252 const octave_value&)));
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diff changeset
253
1952e110d346 Allow Qt graphics callbacks to work again (bug #56857)
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diff changeset
254 connect (emitter,
1952e110d346 Allow Qt graphics callbacks to work again (bug #56857)
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diff changeset
255 SIGNAL (gh_set_event (const graphics_handle&,
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diff changeset
256 const std::string&,
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diff changeset
257 const octave_value&)),
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diff changeset
258 receiver,
1952e110d346 Allow Qt graphics callbacks to work again (bug #56857)
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diff changeset
259 SLOT (gh_set_event (const graphics_handle&,
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diff changeset
260 const std::string&,
1952e110d346 Allow Qt graphics callbacks to work again (bug #56857)
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diff changeset
261 const octave_value&)));
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diff changeset
262
1952e110d346 Allow Qt graphics callbacks to work again (bug #56857)
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diff changeset
263 connect (emitter,
1952e110d346 Allow Qt graphics callbacks to work again (bug #56857)
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diff changeset
264 SIGNAL (gh_set_event (const graphics_handle&,
1952e110d346 Allow Qt graphics callbacks to work again (bug #56857)
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diff changeset
265 const std::string&,
1952e110d346 Allow Qt graphics callbacks to work again (bug #56857)
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diff changeset
266 const octave_value&, bool)),
1952e110d346 Allow Qt graphics callbacks to work again (bug #56857)
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diff changeset
267 receiver,
1952e110d346 Allow Qt graphics callbacks to work again (bug #56857)
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diff changeset
268 SLOT (gh_set_event (const graphics_handle&,
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diff changeset
269 const std::string&,
27376
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diff changeset
270 const octave_value&, bool)));
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diff changeset
271
27376
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diff changeset
272 connect (emitter,
1952e110d346 Allow Qt graphics callbacks to work again (bug #56857)
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diff changeset
273 SIGNAL (gh_set_event (const graphics_handle&,
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diff changeset
274 const std::string&,
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diff changeset
275 const octave_value&,
1952e110d346 Allow Qt graphics callbacks to work again (bug #56857)
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diff changeset
276 bool, bool)),
1952e110d346 Allow Qt graphics callbacks to work again (bug #56857)
Pantxo Diribarne <pantxo.diribarne@gmail.com>
parents: 27335
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277 receiver,
1952e110d346 Allow Qt graphics callbacks to work again (bug #56857)
Pantxo Diribarne <pantxo.diribarne@gmail.com>
parents: 27335
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278 SLOT (gh_set_event (const graphics_handle&,
1952e110d346 Allow Qt graphics callbacks to work again (bug #56857)
Pantxo Diribarne <pantxo.diribarne@gmail.com>
parents: 27335
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279 const std::string&,
1952e110d346 Allow Qt graphics callbacks to work again (bug #56857)
Pantxo Diribarne <pantxo.diribarne@gmail.com>
parents: 27335
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280 const octave_value&,
1952e110d346 Allow Qt graphics callbacks to work again (bug #56857)
Pantxo Diribarne <pantxo.diribarne@gmail.com>
parents: 27335
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281 bool, bool)));
1952e110d346 Allow Qt graphics callbacks to work again (bug #56857)
Pantxo Diribarne <pantxo.diribarne@gmail.com>
parents: 27335
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282 }
1952e110d346 Allow Qt graphics callbacks to work again (bug #56857)
Pantxo Diribarne <pantxo.diribarne@gmail.com>
parents: 27335
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283
31646
c6d54dd31a7e maint: Use macros to begin/end C++ namespaces.
John W. Eaton <jwe@octave.org>
parents: 30564
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284 OCTAVE_END_NAMESPACE(octave)