Mercurial > octave-nkf
annotate libgui/src/octave-gui.cc @ 17804:f3e25230b1f3
use QCoreApplication if starting with --no-gui
* octave-gui.cc (octave_start_gui): Use QApplication when starting
the GUI and QCoreApplication if not.
(octave_cli_thread::run): Call QCoreApplication::exit instead of
QApplication::exit.
author | John W. Eaton <jwe@octave.org> |
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date | Wed, 30 Oct 2013 02:08:41 -0400 |
parents | 86c6ae5f969e |
children | b5bf26a054bd |
rev | line source |
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1 /* |
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2 |
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3 Copyright (C) 2011-2013 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 <QCoreApplication> |
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29 #include <QTextCodec> |
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30 #include <QThread> |
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32 |
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33 #include <iostream> |
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34 |
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35 #include <unistd.h> |
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36 #include <fcntl.h> |
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37 |
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38 #if defined (HAVE_SYS_IOCTL_H) |
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39 #include <sys/ioctl.h> |
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40 #endif |
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41 |
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42 #include "lo-utils.h" |
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43 #include "oct-env.h" |
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44 #include "oct-syscalls.h" |
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45 #include "syswait.h" |
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46 |
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47 #include "octave.h" |
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48 #include "sighandlers.h" |
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49 |
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50 #include "welcome-wizard.h" |
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51 #include "resource-manager.h" |
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52 #include "main-window.h" |
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53 #include "octave-gui.h" |
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55 // Allow the Octave interpreter to start as in CLI mode with a |
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56 // QApplication context so that it can use Qt for things like plotting |
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57 // and UI widgets. |
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58 |
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59 class octave_cli_thread : public QThread |
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60 { |
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61 public: |
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62 |
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63 octave_cli_thread (int argc, char **argv) |
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64 : m_argc (argc), m_argv (argv), m_result (0) { } |
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65 |
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66 int result (void) const { return m_result; } |
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67 |
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68 protected: |
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69 |
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70 void run (void) |
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71 { |
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72 octave_initialize_interpreter (m_argc, m_argv, 0); |
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73 |
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74 m_result = octave_execute_interpreter (); |
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75 |
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76 QCoreApplication::exit (m_result); |
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77 } |
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78 |
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79 private: |
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80 |
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81 int m_argc; |
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82 char** m_argv; |
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83 int m_result; |
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84 }; |
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85 |
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86 |
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88 | |
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89 void message_handler (QtMsgType type, const char *msg) |
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90 { |
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91 switch (type) |
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92 { |
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93 case QtDebugMsg: |
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94 if (strncmp (msg, "QFileSystemWatcher: skipping native engine",42) != 0) |
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95 std::cerr << "Debug: " << msg << std::endl; |
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96 break; |
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98 case QtWarningMsg: |
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99 std::cerr << "Warning: " << msg << std::endl; |
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100 break; |
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102 case QtCriticalMsg: |
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103 std::cerr << "Critical: " << msg << std::endl; |
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104 break; |
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106 case QtFatalMsg: |
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107 std::cerr << "Fatal: " << msg << std::endl; |
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108 abort (); |
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110 default: |
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111 break; |
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112 } |
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113 } |
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114 |
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115 // If START_GUI is false, we still set up the QApplication so that we |
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116 // can use Qt widgets for plot windows. |
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117 |
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118 int |
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119 octave_start_gui (int argc, char *argv[], bool start_gui) |
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121 qInstallMsgHandler (message_handler); |
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122 |
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123 if (start_gui) |
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124 { |
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125 QApplication application (argc, argv); |
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126 |
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127 // Set the codec for all strings |
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128 QTextCodec::setCodecForCStrings (QTextCodec::codecForName ("UTF-8")); |
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129 |
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130 // install translators for the gui and qt text |
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131 QTranslator gui_tr, qt_tr, qsci_tr; |
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132 resource_manager::config_translators (&qt_tr,&qsci_tr,&gui_tr); |
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133 application.installTranslator (&qt_tr); |
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134 application.installTranslator (&qsci_tr); |
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135 application.installTranslator (&gui_tr); |
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136 |
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137 while (true) |
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138 { |
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139 if (resource_manager::is_first_run ()) |
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140 { |
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141 welcome_wizard welcomeWizard; |
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142 welcomeWizard.exec (); |
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143 resource_manager::reload_settings (); |
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144 } |
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145 else |
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146 { |
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147 // update network-settings |
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148 resource_manager::update_network_settings (); |
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149 |
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150 #if ! defined (__WIN32__) || defined (__CYGWIN__) |
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151 // If we were started from a launcher, TERM might not be |
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152 // defined, but we provide a terminal with xterm |
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153 // capabilities. |
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154 |
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155 std::string term = octave_env::getenv ("TERM"); |
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156 |
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157 if (term.empty ()) |
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158 octave_env::putenv ("TERM", "xterm"); |
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159 #else |
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160 std::string term = octave_env::getenv ("TERM"); |
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161 |
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162 if (term.empty ()) |
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163 octave_env::putenv ("TERM", "cygwin"); |
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164 #endif |
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165 |
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166 // create main window, read settings, and show window |
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167 main_window w; |
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168 w.read_settings (); // get widget settings and window layout |
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169 w.focus_command_window (); |
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170 w.connect_visibility_changed (); // connect signals for changes |
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171 // in visibility not before w |
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172 // is shown |
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173 return application.exec (); |
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174 } |
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175 } |
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176 } |
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177 else |
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178 { |
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179 QCoreApplication application (argc, argv); |
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180 |
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181 octave_cli_thread main_thread (argc, argv); |
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182 |
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183 main_thread.start (); |
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184 |
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185 return application.exec (); |
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186 } |
13501 | 187 } |