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annotate libgui/src/octave-qobject.h @ 29359:7854d5752dd2

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maint: merge stable to default.
author John W. Eaton <jwe@octave.org>
date Wed, 10 Feb 2021 10:10:40 -0500
parents eb1e10abe9d5 0a5b15007766
children 3bfec185c9e2
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1 ////////////////////////////////////////////////////////////////////////
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2 //
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3 // Copyright (C) 2011-2021 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_octave_qobject_h)
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27 #define octave_octave_qobject_h 1
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28
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29 #include <memory>
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30
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31 #include <QApplication>
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32 #include <QList>
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33 #include <QObject>
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34 #include <QString>
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35 #include <QStringList>
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36
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37 #include "interpreter-qobject.h"
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38 #include "resource-manager.h"
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39 #include "shortcut-manager.h"
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40 #include "workspace-model.h"
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41
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42 namespace octave
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43 {
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44 class main_window;
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45 class qt_application;
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46 class qt_interpreter_events;
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47
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48 //! This class is a simple wrapper around QApplication so that we can
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49 //! reimplement QApplication::notify. The octave_qapplication object
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50 //! should behave identically to a QApplication object except that it
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51 //! overrides the notify method so we can handle forward Octave
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52 //! execution_exception exceptions from the GUI thread to the
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53 //! interpreter thread.
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54
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55 class octave_qapplication : public QApplication
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56 {
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57 Q_OBJECT
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58
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59 public:
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60
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61 octave_qapplication (int& argc, char **argv)
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62 : QApplication (argc, argv)
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63 { }
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64
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65 virtual bool notify (QObject *receiver, QEvent *e) override;
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66
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67 ~octave_qapplication (void) { };
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68
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69 signals:
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70
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71 void interpreter_event (const fcn_callback& fcn);
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72 void interpreter_event (const meth_callback& meth);
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73 };
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74
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75 //! Base class for Octave interfaces that use Qt. There are two
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76 //! classes derived from this one. One provides a command-line
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77 //! interface that may use Qt graphics and another provides the
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78 //! full GUI experience.
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79
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80 class base_qobject : public QObject
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81 {
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82 Q_OBJECT
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83
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84 public:
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85
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86 base_qobject (qt_application& app_context, bool gui_app = false);
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87
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88 ~base_qobject (void);
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89
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90 void config_translators (void);
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91
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92 void start_main_thread (void);
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93
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94 int exec (void);
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95
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96 // The Octave application context.
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97 qt_application& app_context (void) { return m_app_context; }
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98
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99 // The Qt QApplication.
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100 QApplication * qapplication (void) { return m_qapplication; };
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101
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102 resource_manager& get_resource_manager (void)
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103 {
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104 return m_resource_manager;
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105 }
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106
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107 shortcut_manager& get_shortcut_manager (void)
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108 {
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109 return m_shortcut_manager;
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110 }
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111
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112 workspace_model * get_workspace_model (void)
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113 {
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114 return m_workspace_model;
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115 }
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116
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117 std::shared_ptr<qt_interpreter_events> get_qt_interpreter_events (void)
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118 {
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119 return m_qt_interpreter_events;
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120 }
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121
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122 qt_interpreter_events * qt_link (void)
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123 {
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124 return m_qt_interpreter_events.get ();
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125 }
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126
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127 interpreter_qobject * interpreter_qobj (void)
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128 {
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129 return m_interpreter_qobj;
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130 }
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131
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132 QThread *main_thread (void) { return m_main_thread; }
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133
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134 // Declared virtual so that a derived class may redefine this
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135 // method.
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136
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137 virtual bool confirm_shutdown (void);
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138
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139 signals:
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140
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141 void request_interpreter_shutdown (int);
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142
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143 public slots:
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144
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145 void interpreter_ready (void);
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146
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147 void handle_interpreter_execution_finished (int);
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148
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149 void handle_interpreter_shutdown_finished (int);
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150
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151 void interpreter_event (const fcn_callback& fcn);
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152
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153 void interpreter_event (const meth_callback& meth);
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154
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155 void interpreter_interrupt (void);
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156
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157 void copy_image_to_clipboard (const QString& file, bool remove_file);
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158
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159 protected:
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160
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161 qt_application& m_app_context;
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162
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163 // Use these to ensure that argc and argv exist for as long as the
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164 // QApplication object.
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165
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166 int m_argc;
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167 char **m_argv;
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168
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169 octave_qapplication *m_qapplication;
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170
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171 resource_manager m_resource_manager;
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172
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173 shortcut_manager m_shortcut_manager;
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174
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175 workspace_model *m_workspace_model;
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176
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177 QTranslator *m_qt_tr;
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178 QTranslator *m_gui_tr;
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179 QTranslator *m_qsci_tr;
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180
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181 bool m_translators_installed;
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182
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183 std::shared_ptr<qt_interpreter_events> m_qt_interpreter_events;
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184
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185 interpreter_qobject *m_interpreter_qobj;
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186
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187 QThread *m_main_thread;
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188
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189 bool m_gui_app;
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190
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191 main_window *m_main_window;
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192
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193 bool m_interpreter_ready;
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194 };
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195 }
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196
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197 #endif