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annotate libgui/src/octave-qobject.h @ 27197:b8c0d5ad024f

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refactor and rename some qt application objects * octave-qobject.h, octave-qobject.cc: New files. Move octave_qapplication, octave_qt_app, octave_qt_cli_app, and octave_qt_gui_app classes here from main-window.h and main-window.cc. Rename octave_qt_app to base_qobject. Rename octave_qt_cli_app to cli_qobject. Rename octave_qt_gui_app to gui_qobject. * qt-application.h, qt-application.cc: Rename from octave-gui.h and octave-gui.cc. Rename gui_application class to qt_application. Change all uses. * libgui/src/module.mk: Update.
author John W. Eaton <jwe@octave.org>
date Sat, 22 Jun 2019 17:30:16 -0500
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children de0762d72d52
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27197
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1 /*
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2
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3 Copyright (C) 2013-2019 John W. Eaton
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4 Copyright (C) 2011-2019 Jacob Dawid
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5
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6 This file is part of Octave.
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7
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8 Octave is free software: you can redistribute it and/or modify it
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9 under the terms of the GNU General Public License as published by
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10 the Free Software Foundation, either version 3 of the License, or
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11 (at your option) any later version.
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12
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13 Octave is distributed in the hope that it will be useful, but
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14 WITHOUT ANY WARRANTY; without even the implied warranty of
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15 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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16 GNU General Public License for more details.
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17
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18 You should have received a copy of the GNU General Public License
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19 along with Octave; see the file COPYING. If not, see
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20 <https://www.gnu.org/licenses/>.
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21
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22 */
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23
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24 #if ! defined (octave_octave_qobject_h)
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25 #define octave_octave_qobject_h 1
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26
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27 #include <QApplication>
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28 #include <QList>
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29 #include <QObject>
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30 #include <QString>
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31 #include <QStringList>
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32
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33 #include "qt-application.h"
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34
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35 // Defined for purposes of sending QList<int> as part of signal.
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36 typedef QList<int> QIntList;
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37
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38 // Defined for purposes of sending QList<float> as part of signal.
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39 typedef QList<float> QFloatList;
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40
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41 namespace octave
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42 {
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43 class interpreter_qobject;
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44 class main_window;
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45 class octave_qt_link;
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46
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47 //! This class is a simple wrapper around QApplication so that we can
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48 //! reimplement QApplication::notify. The octave_qapplication object
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49 //! should behave identically to a QApplication object except that it
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50 //! overrides the notify method so we can handle forward Octave
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51 //! octave::execution_exception exceptions from the GUI thread to the
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52 //! interpreter thread.
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53
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54 class octave_qapplication : public QApplication
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55 {
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56 public:
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57
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58 octave_qapplication (int& argc, char **argv)
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59 : QApplication (argc, argv)
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60 { }
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61
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62 virtual bool notify (QObject *receiver, QEvent *e) override;
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63
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64 ~octave_qapplication (void) { };
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65 };
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66
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67 //! Base class for Octave interfaces that use Qt. There are two
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68 //! classes derived from this one. One provides a command-line
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69 //! interface that may use Qt graphics and another provides the
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70 //! full GUI experience.
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71
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72 class base_qobject : public QObject
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73 {
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74 Q_OBJECT
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75
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76 public:
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77
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78 base_qobject (qt_application& app_context);
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79
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80 ~base_qobject (void);
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81
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82 void config_translators (void);
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83
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84 void start_main_thread (void);
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85
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86 int exec (void);
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87
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88 QApplication *octave_qapp (void) { return m_octave_qapp; };
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89
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90 public slots:
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91
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92 void handle_octave_finished (int);
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93
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94 virtual void confirm_shutdown_octave (void);
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95
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96 void copy_image_to_clipboard (const QString& file, bool remove_file);
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97
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98 void handle_create_dialog (const QString& message, const QString& title,
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99 const QString& icon, const QStringList& button,
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100 const QString& defbutton,
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101 const QStringList& role);
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102
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103 void handle_create_listview (const QStringList& list, const QString& mode,
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104 int width, int height,
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105 const QIntList& initial,
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106 const QString& name,
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107 const QStringList& prompt,
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108 const QString& ok_string,
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109 const QString& cancel_string);
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110
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111 void handle_create_inputlayout (const QStringList&, const QString&,
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112 const QFloatList&, const QFloatList&,
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113 const QStringList&);
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114
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115 void handle_create_filedialog (const QStringList& filters,
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116 const QString& title,
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117 const QString& filename,
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118 const QString& dirname,
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119 const QString& multimode);
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120
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121 protected:
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122
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123 qt_application& m_app_context;
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124
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125 // Use these to ensure that argc and argv exist for as long as the
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126 // QApplication object.
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127
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128 int m_argc;
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129 char **m_argv;
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130
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131 QApplication *m_octave_qapp;
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132
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133 QTranslator *m_qt_tr;
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134 QTranslator *m_gui_tr;
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135 QTranslator *m_qsci_tr;
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136
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137 bool m_translators_installed;
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138
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139 octave_qt_link *m_octave_qt_link;
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140
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141 interpreter_qobject *m_interpreter_qobject;
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142
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143 QThread *m_main_thread;
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144
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145 void connect_uiwidget_links (void);
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146
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147 void confirm_shutdown_octave_internal (bool closenow);
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148 };
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149
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150 //! This object provides a command-line interface to Octave that may
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151 //! use Qt graphics.
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152
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153 class cli_qobject : public base_qobject
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154 {
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155 Q_OBJECT
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156
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157 public:
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158
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159 cli_qobject (qt_application& app_context);
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160
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161 ~cli_qobject (void) = default;
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162 };
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163
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164 //! This object provides a full GUI interface to Octave that is
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165 //! implemented Qt.
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166
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167 class gui_qobject : public base_qobject
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168 {
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169 Q_OBJECT
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170
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171 public:
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172
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173 gui_qobject (qt_application& app_context);
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174
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175 ~gui_qobject (void);
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176
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177 public slots:
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178
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179 void confirm_shutdown_octave (void);
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180
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181 private:
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182
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183 main_window *m_main_window;
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184 };
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185 }
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186
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187 #endif
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188