Mercurial > octave

annotate libgui/graphics/Object.cc @ 22417:48c00363dc74

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maint: Use '{ }' for empty function bodies in C++. * Backend.cc, BaseControl.cc, ButtonControl.cc, ButtonGroup.cc, CheckBoxControl.cc, Container.cc, ContextMenu.cc, EditControl.cc, Figure.cc, FigureWindow.cc, GLCanvas.cc, ListBoxControl.cc, Logger.cc, Menu.cc, MouseModeActionGroup.cc, Object.cc, Panel.cc, PopupMenuControl.cc, PushButtonControl.cc, PushTool.cc, RadioButtonControl.cc, SliderControl.cc, TextControl.cc, ToggleButtonControl.cc, ToggleTool.cc, ToolBar.cc, ToolBarButton.cc, marker.cc, octave-dock-widget.h, octave-qt-link.cc, shortcut-manager.cc, shortcut-manager.h, Cell.cc, jit-ir.cc, jit-ir.h, jit-typeinfo.cc, oct-prcstrm.cc, octave-link.cc, profiler.cc, pt-jit.cc, sysdep.cc, __init_gnuplot__.cc, ov-fcn-handle.cc, ov.cc, pt-check.cc, CColVector.cc, CMatrix.cc, CSparse.cc, dMatrix.cc, fCColVector.cc, fCMatrix.cc, fMatrix.cc, aepbalance.h, oct-norm.cc, byte-swap.h, cmd-hist.cc, oct-sort.cc: Use '{ }' for empty function bodies in C++.
author Rik <rik@octave.org>
date Thu, 01 Sep 2016 09:33:55 -0700
parents 8758addcf265
children 3a2b891d0b33 e9a0469dedd9
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rev   line source
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1 /*
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2
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3 Copyright (C) 2011-2016 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 the
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9 Free Software Foundation; either version 3 of the License, or (at your
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10 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 WITHOUT
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13 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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14 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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15 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 <http://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_handle (go.get_handle ()), m_qobject (0)
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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 gh_manager::get_object (m_handle);
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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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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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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::slotPrint (const QString& file_cmd, const QString& term)
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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 print (file_cmd, term);
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129 }
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130
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131 void
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132 Object::update (int /* pId */)
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133 { }
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135 void
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136 Object::finalize (void)
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137 {
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138 if (m_qobject)
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139 {
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140 delete m_qobject;
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141 m_qobject = 0;
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142 }
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143 deleteLater ();
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144 }
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145
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146 void
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147 Object::redraw (void)
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148 { }
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149
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150 void
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151 Object::print (const QString& /* file_cmd */, const QString& /* term */)
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152 { }
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153
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154 void
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155 Object::beingDeleted (void)
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156 { }
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157
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158 void Object::objectDestroyed (QObject* obj)
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159 {
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160 if (obj && obj == m_qobject)
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161 m_qobject = 0;
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162 }
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163
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164 Object*
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165 Object::parentObject (const graphics_object& go)
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166 {
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167 gh_manager::auto_lock lock;
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168
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169 Object* parent = Backend::toolkitObject
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170 (gh_manager::get_object (go.get_parent ()));
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171
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172 return parent;
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173 }
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174
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175 Object*
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176 Object::fromQObject (QObject* obj)
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177 {
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178 QVariant v = obj->property ("QtHandles::Object");
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179
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180 if (v.isValid ())
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181 return reinterpret_cast<Object*> (qvariant_cast<void*> (v));
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182
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183 return 0;
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184 }
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185
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186 }
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187