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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 2020.
author John W. Eaton <jwe@octave.org>
date Mon, 06 Jan 2020 22:29:51 -0500
parents b442ec6dda5c
children bd51beb6205e
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1 /*
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2
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3 Copyright (C) 2011-2020 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 distribution
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6 or <https://octave.org/COPYRIGHT.html/>.
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7
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8
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9 This file is part of Octave.
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10
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11 Octave is free software: you can redistribute it and/or modify it
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12 under the terms of the GNU General Public License as published by
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13 the Free Software Foundation, either version 3 of the License, or
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14 (at your option) any later version.
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15
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16 Octave is distributed in the hope that it will be useful, but
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17 WITHOUT ANY WARRANTY; without even the implied warranty of
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18 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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19 GNU General Public License for more details.
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20
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21 You should have received a copy of the GNU General Public License
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22 along with Octave; see the file COPYING. If not, see
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23 <https://www.gnu.org/licenses/>.
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24
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25 */
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26
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27 #if ! defined (octave_Object_h)
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28 #define octave_Object_h 1
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29
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30 #include <QObject>
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31
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32 #include "event-manager.h"
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33 #include "graphics.h"
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34
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35 class QObject;
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36 class QString;
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37 class QWidget;
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38
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39 namespace octave
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40 {
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41 class base_qobject;
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42 class interpreter;
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43 }
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44
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45 namespace QtHandles
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46 {
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47
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48 class Container;
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49 class ObjectProxy;
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50
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51 class Object : public QObject
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52 {
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53 Q_OBJECT
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54
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55 public:
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56 Object (octave::base_qobject& qobj, octave::interpreter& interp,
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57 const graphics_object& go, QObject *obj = nullptr);
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58
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59 virtual ~Object (void);
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60
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61 base_properties& properties (void)
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62 { return object ().get_properties (); }
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63
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64 const base_properties& properties (void) const
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65 { return object ().get_properties (); }
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66
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67 template <typename T>
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68 typename T::properties& properties (void)
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69 {
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70 return dynamic_cast<typename T::properties&>
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71 (object ().get_properties ());
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72 }
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73
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74 template <typename T>
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75 const typename T::properties& properties (void) const
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76 {
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77 return dynamic_cast<const typename T::properties&>
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78 (object ().get_properties ());
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79 }
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80
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81 graphics_object object (void) const;
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82
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83 virtual QObject * qObject (void) { return m_qobject; }
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84
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85 template <typename T>
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86 T * qWidget (void) { return qobject_cast<T *>(qObject ()); }
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87
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88 virtual Container * innerContainer (void) = 0;
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89
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90 static Object * fromQObject (QObject *obj);
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91
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92 virtual void do_connections (const QObject *receiver,
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93 const QObject *emitter = nullptr);
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94
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95 signals:
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96
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97 void interpreter_event (const octave::fcn_callback& fcn);
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98 void interpreter_event (const octave::meth_callback& meth);
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99
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100 void gh_callback_event (const graphics_handle& h, const std::string& name);
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101
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102 void gh_callback_event (const graphics_handle& h, const std::string& name,
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103 const octave_value& data);
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104
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105 void gh_set_event (const graphics_handle& h, const std::string& name,
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106 const octave_value& value);
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107
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108 void gh_set_event (const graphics_handle& h, const std::string& name,
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109 const octave_value& value, bool notify_toolkit);
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110
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111 void gh_set_event (const graphics_handle& h, const std::string& name,
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112 const octave_value& value, bool notify_toolkit,
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113 bool redraw_figure);
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114
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115 public slots:
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116 void slotUpdate (int pId);
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117 void slotFinalize (void);
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118 void slotRedraw (void);
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119 void slotShow (void);
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120 void slotPrint (const QString& file_cmd, const QString& term);
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121
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122 void objectDestroyed (QObject *obj = nullptr);
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123
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124 protected:
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125 static Object *
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126 parentObject (octave::interpreter& interp, const graphics_object& go);
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127
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128 void init (QObject *obj, bool callBase = false);
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129
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130 virtual void update (int pId);
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131 virtual void finalize (void);
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132 virtual void redraw (void);
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133 virtual void show (void);
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134 virtual void print (const QString& file_cmd, const QString& term);
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135
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136 virtual void beingDeleted (void);
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137
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138 protected:
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139
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140 octave::base_qobject& m_octave_qobj;
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141 octave::interpreter& m_interpreter;
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142
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143 // Store the graphics object directly so that it will exist when
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144 // we need it. Previously, it was possible for the graphics
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145 // toolkit to get a handle to a figure, then have the interpreter
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146 // thread delete the corresponding object before the graphics
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147 // toolkit (GUI) thread had a chance to display it. It should be OK
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148 // to store this object and use it in both threads (graphics_object
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149 // uses a std::shared_ptr) provided that we protect access with
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150 // mutex locks.
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151 graphics_object m_go;
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152
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153 // Handle to the graphics object. This may be redundant now.
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154 // Also, the whole ObjectProxy thing may not need to store a
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155 // pointer now? Maybe we can just have a lookup table from figure
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156 // handle to Object? What does the FLTK toolkit do? Why does
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157 // this seem to be so complicated?
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158 graphics_handle m_handle;
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159
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160 QObject *m_qobject;
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161 };
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162
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163 }
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164
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165 #endif