Mercurial > octave
annotate libgui/graphics/Object.cc @ 19681:35bca657d74d
printing for Qt plot widget (bug #42537)
* Backend.h, Backend.cc (Backend::print_figure): New function.
* Canvas.h, Canvas.cc (Canvas::print): New function.
* Figure.h, Figure.cc (Figure:print): New function.
* Object.h, Object.cc (Object::slotPrint, Object::print):
New functions.
* ObjectProxy.h, ObjectProxy.cc (ObjectProxy::print): New function.
(ObjectProxy::sendPrint): New signal.
(ObjectProxy::init): Connect sendPrint signal to slotPrint slot of
current object.
author | John W. Eaton <jwe@octave.org> |
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date | Sun, 08 Feb 2015 16:25:06 -0500 |
parents | fe0e34be5576 |
children | 5fec783ffc6d |
rev | line source |
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1 /* |
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2 |
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3 Copyright (C) 2011-2014 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 #ifdef 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 Object::init (QObject* obj, bool) |
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51 { |
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52 if (m_qobject) |
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53 qCritical ("QtHandles::Object::init: " |
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54 "resetting QObject while in invalid state"); |
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55 |
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56 m_qobject = obj; |
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57 |
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58 if (m_qobject) |
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59 { |
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60 m_qobject->setProperty ("QtHandles::Object", |
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61 qVariantFromValue<void*> (this)); |
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62 connect (m_qobject, SIGNAL (destroyed (QObject*)), |
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63 SLOT (objectDestroyed (QObject*))); |
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64 } |
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65 } |
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66 |
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67 Object::~Object (void) |
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68 { |
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69 } |
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70 |
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71 graphics_object Object::object (void) const |
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72 { |
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73 gh_manager::auto_lock lock (false); |
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74 |
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75 if (! lock) |
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76 qCritical ("QtHandles::Object::object: " |
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77 "accessing graphics object (h=%g) without a valid lock!!!", |
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78 m_handle.value ()); |
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79 |
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80 return gh_manager::get_object (m_handle); |
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81 } |
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82 |
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83 void Object::slotUpdate (int pId) |
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84 { |
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85 gh_manager::auto_lock lock; |
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86 |
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87 switch (pId) |
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88 { |
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89 // Special case for objects being deleted, as it's very likely |
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90 // that the graphics_object already has been destroyed when this |
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91 // is executed (because of the async behavior). |
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92 case base_properties::ID_BEINGDELETED: |
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93 beingDeleted (); |
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94 break; |
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95 default: |
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96 if (object ().valid_object ()) |
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97 update (pId); |
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98 break; |
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99 } |
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100 } |
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101 |
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102 void Object::slotFinalize (void) |
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103 { |
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104 gh_manager::auto_lock lock; |
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105 |
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106 finalize (); |
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107 } |
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108 |
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109 void Object::slotRedraw (void) |
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110 { |
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111 gh_manager::auto_lock lock; |
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112 |
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113 if (object ().valid_object ()) |
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114 redraw (); |
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115 } |
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116 |
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117 void Object::slotPrint (const QString& file_cmd, const QString& term) |
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118 { |
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119 gh_manager::auto_lock lock; |
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120 |
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121 if (object ().valid_object ()) |
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122 print (file_cmd, term); |
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123 } |
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124 |
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125 void Object::update (int /* pId */) |
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126 { |
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127 } |
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128 |
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129 void Object::finalize (void) |
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130 { |
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131 if (m_qobject) |
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132 { |
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133 delete m_qobject; |
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134 m_qobject = 0; |
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135 } |
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136 deleteLater (); |
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137 } |
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138 |
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139 void Object::redraw (void) |
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140 { |
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141 } |
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142 |
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143 void Object::print (const QString& file_cmd, const QString& term) |
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144 { |
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145 } |
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146 |
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147 void Object::beingDeleted (void) |
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148 { |
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149 } |
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150 |
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151 void Object::objectDestroyed (QObject* obj) |
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152 { |
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153 if (obj && obj == m_qobject) |
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154 m_qobject = 0; |
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155 } |
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156 |
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157 Object* Object::parentObject (const graphics_object& go) |
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158 { |
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159 Object* parent = Backend::toolkitObject |
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160 (gh_manager::get_object (go.get_parent ())); |
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161 |
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162 return parent; |
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163 } |
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164 |
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165 Object* Object::fromQObject (QObject* obj) |
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166 { |
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167 QVariant v = obj->property ("QtHandles::Object"); |
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168 |
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169 if (v.isValid ()) |
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170 return reinterpret_cast<Object*> (qVariantValue<void*> (v)); |
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171 |
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172 return 0; |
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173 } |
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174 |
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175 }; // namespace QtHandles |