Mercurial > octave
annotate libgui/graphics/Object.h @ 31191:bb9d776eafac stable
Fix wrong color in PDF printout of some latex strings (bug #62884)
* octave-svgconvert (draw): For "rect" elements only set brush color if
necessary and eventually restore to previous color.
author | Pantxo Diribarne <pantxo.diribarne@gmail.com> |
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date | Sun, 14 Aug 2022 18:24:07 +0200 |
parents | 796f54d4ddbf |
children | ca7d58406f82 9089bd969b37 |
rev | line source |
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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 (octave_Object_h) |
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27 #define octave_Object_h 1 |
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28 |
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29 #include <QObject> |
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30 |
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31 #include "event-manager.h" |
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32 #include "graphics.h" |
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33 |
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34 class QObject; |
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35 class QString; |
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36 class QWidget; |
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37 |
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38 namespace octave |
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39 { |
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40 class base_qobject; |
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41 class interpreter; |
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42 } |
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43 |
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44 namespace octave |
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45 { |
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46 |
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47 class Container; |
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48 class ObjectProxy; |
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49 |
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50 class Object : public QObject |
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51 { |
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52 Q_OBJECT |
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53 |
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54 public: |
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55 Object (octave::base_qobject& qobj, octave::interpreter& interp, |
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56 const graphics_object& go, QObject *obj = nullptr); |
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57 |
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58 virtual ~Object (void); |
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59 |
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60 base_properties& properties (void) |
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61 { return object ().get_properties (); } |
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62 |
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63 const base_properties& properties (void) const |
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64 { return object ().get_properties (); } |
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65 |
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66 template <typename T> |
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67 typename T::properties& properties (void) |
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68 { |
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69 return dynamic_cast<typename T::properties&> |
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70 (object ().get_properties ()); |
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71 } |
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72 |
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73 template <typename T> |
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74 const typename T::properties& properties (void) const |
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75 { |
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76 return dynamic_cast<const typename T::properties&> |
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77 (object ().get_properties ()); |
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78 } |
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79 |
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80 graphics_object object (void) const; |
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81 |
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82 virtual QObject * qObject (void) { return m_qobject; } |
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83 |
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84 template <typename T> |
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85 T * qWidget (void) { return qobject_cast<T *>(qObject ()); } |
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86 |
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87 virtual Container * innerContainer (void) = 0; |
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88 |
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89 static Object * fromQObject (QObject *obj); |
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90 |
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91 virtual void do_connections (const QObject *receiver, |
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92 const QObject *emitter = nullptr); |
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93 |
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94 signals: |
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95 |
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96 void interpreter_event (const octave::fcn_callback& fcn); |
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97 void interpreter_event (const octave::meth_callback& meth); |
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98 |
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99 void gh_callback_event (const graphics_handle& h, const std::string& name); |
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100 |
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101 void gh_callback_event (const graphics_handle& h, const std::string& name, |
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102 const octave_value& data); |
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103 |
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104 void gh_set_event (const graphics_handle& h, const std::string& name, |
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105 const octave_value& value); |
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106 |
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107 void gh_set_event (const graphics_handle& h, const std::string& name, |
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108 const octave_value& value, bool notify_toolkit); |
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109 |
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110 void gh_set_event (const graphics_handle& h, const std::string& name, |
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111 const octave_value& value, bool notify_toolkit, |
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112 bool redraw_figure); |
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113 |
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114 public slots: |
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115 void slotUpdate (int pId); |
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116 void slotFinalize (void); |
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117 void slotRedraw (void); |
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118 void slotShow (void); |
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119 void slotPrint (const QString& file_cmd, const QString& term); |
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120 |
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121 void objectDestroyed (QObject *obj = nullptr); |
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122 |
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123 protected: |
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124 static Object * |
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125 parentObject (octave::interpreter& interp, const graphics_object& go); |
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126 |
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127 void init (QObject *obj, bool callBase = false); |
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128 |
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129 virtual void update (int pId); |
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130 virtual void finalize (void); |
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131 virtual void redraw (void); |
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132 virtual void show (void); |
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133 virtual void print (const QString& file_cmd, const QString& term); |
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134 |
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135 virtual void beingDeleted (void); |
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136 |
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137 protected: |
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138 |
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139 octave::base_qobject& m_octave_qobj; |
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140 octave::interpreter& m_interpreter; |
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141 |
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142 // Store the graphics object directly so that it will exist when |
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143 // we need it. Previously, it was possible for the graphics |
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144 // toolkit to get a handle to a figure, then have the interpreter |
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145 // thread delete the corresponding object before the graphics |
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146 // toolkit (GUI) thread had a chance to display it. It should be OK |
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147 // to store this object and use it in both threads (graphics_object |
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148 // uses a std::shared_ptr) provided that we protect access with |
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149 // mutex locks. |
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150 graphics_object m_go; |
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151 |
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152 // Handle to the graphics object. This may be redundant now. |
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153 // Also, the whole ObjectProxy thing may not need to store a |
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154 // pointer now? Maybe we can just have a lookup table from figure |
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155 // handle to Object? What does the FLTK toolkit do? Why does |
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156 // this seem to be so complicated? |
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157 graphics_handle m_handle; |
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158 |
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159 QObject *m_qobject; |
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160 }; |
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161 |
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162 } |
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163 |
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164 #endif |