Mercurial > octave-nkf
annotate libgui/src/octave-gui.cc @ 19902:c7c50030e76c
allow qt graphics toolkit to be used in --no-gui mode (bug #44116)
* octave-gui.cc (octave_start_gui): Install Qt plot functions and
register the qt plot toolkit here.
* main-window.cc (main_window::construct): Not here.
author | Stefan Mahr <dac922@gmx.de> |
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date | Fri, 27 Feb 2015 09:44:58 -0500 |
parents | 19755f4fc851 |
children | 857a8f018f53 |
rev | line source |
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1 /* |
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2 |
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3 Copyright (C) 2011-2015 Jacob Dawid |
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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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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 <QApplication> |
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28 #include <QTextCodec> |
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29 #include <QThread> |
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31 |
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32 #include <iostream> |
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33 |
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34 #include <unistd.h> |
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35 #include <fcntl.h> |
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36 |
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37 #if defined (HAVE_SYS_IOCTL_H) |
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38 #include <sys/ioctl.h> |
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39 #endif |
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40 |
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41 #include "lo-utils.h" |
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42 #include "oct-env.h" |
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43 #include "oct-syscalls.h" |
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44 #include "syswait.h" |
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45 |
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46 #include "octave.h" |
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47 #include "sighandlers.h" |
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48 |
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49 #include "welcome-wizard.h" |
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50 #include "resource-manager.h" |
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51 #include "shortcut-manager.h" |
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52 #include "main-window.h" |
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53 #include "octave-gui.h" |
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54 #include "thread-manager.h" |
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56 #include "builtin-defun-decls.h" |
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57 #include "__init_qt__.h" |
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58 |
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59 // Allow the Octave interpreter to start as in CLI mode with a |
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60 // QApplication context so that it can use Qt for things like plotting |
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61 // and UI widgets. |
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62 |
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63 class octave_cli_thread : public QThread |
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64 { |
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65 public: |
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66 |
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67 octave_cli_thread (int argc, char **argv) |
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68 : m_argc (argc), m_argv (argv), m_result (0) { } |
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69 |
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70 int result (void) const { return m_result; } |
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71 |
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72 protected: |
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73 |
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74 void run (void) |
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75 { |
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76 octave_thread_manager::unblock_interrupt_signal (); |
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77 |
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78 octave_initialize_interpreter (m_argc, m_argv, 0); |
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79 |
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80 m_result = octave_execute_interpreter (); |
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81 |
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82 QApplication::exit (m_result); |
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83 } |
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84 |
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85 private: |
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86 |
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87 int m_argc; |
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88 char** m_argv; |
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89 int m_result; |
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90 }; |
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91 |
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92 // Disable all Qt messages by default. |
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93 |
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94 static void |
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95 message_handler (QtMsgType, const char *) |
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96 { |
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97 } |
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98 |
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99 // If START_GUI is false, we still set up the QApplication so that we |
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100 // can use Qt widgets for plot windows. |
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101 |
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102 int |
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103 octave_start_gui (int argc, char *argv[], bool start_gui) |
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105 octave_thread_manager::block_interrupt_signal (); |
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106 |
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107 std::string show_gui_msgs = octave_env::getenv ("OCTAVE_SHOW_GUI_MESSAGES"); |
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108 |
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109 // Installing our handler suppresses the messages. |
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110 if (show_gui_msgs.empty ()) |
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111 qInstallMsgHandler (message_handler); |
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112 |
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113 install___init_qt___functions (); |
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114 |
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115 Fregister_graphics_toolkit (ovl ("qt")); |
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116 |
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117 if (start_gui) |
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118 { |
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119 QApplication application (argc, argv); |
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120 QTranslator gui_tr, qt_tr, qsci_tr; |
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121 |
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122 // Set the codec for all strings (before wizard) |
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123 #if not defined (Q_OS_WIN32) |
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124 QTextCodec::setCodecForCStrings (QTextCodec::codecForName ("UTF-8")); |
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125 #endif |
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126 |
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127 // show wizard if this is the first run |
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128 if (resource_manager::is_first_run ()) |
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129 { |
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130 // before wizard |
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131 resource_manager::config_translators (&qt_tr, &qsci_tr, &gui_tr); |
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132 application.installTranslator (&qt_tr); |
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133 application.installTranslator (&qsci_tr); |
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134 application.installTranslator (&gui_tr); |
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135 |
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136 welcome_wizard welcomeWizard; |
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137 |
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138 if (welcomeWizard.exec () == QDialog::Rejected) |
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139 exit (1); |
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140 |
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141 resource_manager::reload_settings (); // install settings file |
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142 } |
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143 else |
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144 { |
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145 resource_manager::reload_settings (); // get settings file |
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146 |
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147 // after settings |
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148 resource_manager::config_translators (&qt_tr, &qsci_tr, &gui_tr); |
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149 application.installTranslator (&qt_tr); |
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150 application.installTranslator (&qsci_tr); |
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151 application.installTranslator (&gui_tr); |
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152 } |
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153 |
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154 // update network-settings |
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155 resource_manager::update_network_settings (); |
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156 |
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157 #if ! defined (__WIN32__) || defined (__CYGWIN__) |
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158 // If we were started from a launcher, TERM might not be |
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159 // defined, but we provide a terminal with xterm |
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160 // capabilities. |
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161 |
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162 std::string term = octave_env::getenv ("TERM"); |
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163 |
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164 if (term.empty ()) |
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165 octave_env::putenv ("TERM", "xterm"); |
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166 #else |
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167 std::string term = octave_env::getenv ("TERM"); |
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168 |
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169 if (term.empty ()) |
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170 octave_env::putenv ("TERM", "cygwin"); |
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171 #endif |
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172 |
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173 // shortcut manager |
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174 shortcut_manager::init_data (); |
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175 |
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176 // Create and show main window. |
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177 |
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178 main_window w; |
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179 |
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180 w.read_settings (); |
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181 |
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182 w.init_terminal_size (); |
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183 |
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184 // Connect signals for changes in visibility not before w |
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185 // is shown. |
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186 |
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187 w.connect_visibility_changed (); |
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188 |
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189 w.focus_command_window (); |
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190 |
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191 return application.exec (); |
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192 } |
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193 else |
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194 { |
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195 QApplication application (argc, argv); |
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196 |
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197 octave_cli_thread main_thread (argc, argv); |
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198 |
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199 application.setQuitOnLastWindowClosed (false); |
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200 |
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201 main_thread.start (); |
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202 |
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203 return application.exec (); |
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204 } |
13501 | 205 } |