annotate libgui/src/main-window.h @ 16485:8b783661e03f

improve exit sequence for GUI * octave-link.h, octave-link.cc (octave_link::accepting_events): Delete variable and all uses. (octave_link::link_enabled): New data member. (octave_link::octave_link): Don't set octave_exit. Initialize link_enabled. (octave_link::do_exit): Delete definition. Now pure virtual. Return bool. (octave_link::exit): Call instance->do_exit. (octave_link::enabled): New function. (ocave_link::process_events): New arg, disable. Optionally disable event processing. Use octave_link::enabled instead of instance_ok everywhere except for octave_link::exit. (octave_link::cleanup_instance): Delete. * octave-qt-link.h, octave-qt-link.cc (octave_qt_link::octave_qt_link): Accept thread as argument. Don't connect main_thread::finished signal. (octave_qt_link::~octave_qt_link): Don't delete main_thread. (octave_qt_link::do_exit): Emit exit_signal and return true. (octave_qt_link::exit_signal: New signal. (octave_qt_link::void octave_thread_finished_signal): Delete. * main-window.h, main-window.cc (main_window::_octave_main_thread): New member variable. (main_window::main_window): Initialize _octave_main_thread and _octave_qt_link to 0. (main_window::~main_window): Don't call octave_link::connect_link. Delete _octave_main_thread. (main_window::exit): Accept exit status as argument and call QApplication::exit instead of quit. (main_window::construct): Don't connect qApp::aboutToQuit to main_window::prepare_to_exit. (main_window::construct_octave_qt_link): Create _octave_main_thread and pass to _octave_qt_link. Don't connect _octave_qt_link::octave_thread_finished to main_window::exit. Connect _octave_qt_link::exit_signal to main_window::exit. * toplev.h, toplev.cc (main_loop): If quitting_gracefully, just return exit status instead of calling clean_up_and_exit. (do_octave_atexit): Now static. Call octave_link::process_events with disable arg set to true. (octave_atexit_functions): Now static. (clean_up_and_exit): New argument, safe_to_return. Call octave_link::exit and possibly return or wait for octave_link::exit to terminate the process. * octave.cc (octave_execute_interpreter): Don't alter return value from main_loop. Pass safe_to_return = true to clean_up_and_exit. Return retval instead of 0. (octave_initialize_interpreter): Don't call atexit.
author John W. Eaton <jwe@octave.org>
date Tue, 09 Apr 2013 23:08:24 -0400
parents 7a71ea0b7ae9
children 45ae1038ee89
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1 /*
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2
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3 Copyright (C) 2013 John W. Eaton
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4 Copyright (C) 2011-2012 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 the
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10 Free Software Foundation; either version 3 of the License, or (at your
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11 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 WITHOUT
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14 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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15 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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16 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 <http://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 (main_window_h)
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25 #define main_window_h 1
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26
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27 // Qt includes
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28 #include <QtGui/QMainWindow>
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29 #include <QThread>
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30 #include <QTabWidget>
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31 #include <QMdiArea>
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32 #include <QStatusBar>
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33 #include <QToolBar>
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34 #include <QQueue>
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35 #include <QMdiSubWindow>
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36 #include <QCloseEvent>
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37 #include <QToolButton>
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38 #include <QComboBox>
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39
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40 // Editor includes
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41 #include "file-editor-interface.h"
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42
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43 // QTerminal includes
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44 #include "QTerminal.h"
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45
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46 // Own includes
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47 #include "resource-manager.h"
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48 #include "workspace-model.h"
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49 #include "workspace-view.h"
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50 #include "history-dock-widget.h"
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51 #include "files-dock-widget.h"
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52 #include "terminal-dock-widget.h"
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53 #include "documentation-dock-widget.h"
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54 #include "octave-qt-link.h"
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55
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56 /**
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57 * \class MainWindow
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58 *
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59 * Represents the main window.
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60 */
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61 class main_window : public QMainWindow
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62 {
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63 Q_OBJECT
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64
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65 public:
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66
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67 main_window (QWidget *parent = 0);
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68
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69 ~main_window (void);
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70
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71 void focus_command_window (void);
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72
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73 signals:
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74 void settings_changed (const QSettings *);
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75 void relay_command_signal (const QString&);
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76 void new_file_signal (const QString&);
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77 void open_file_signal (const QString&);
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78
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79 public slots:
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80 void report_status_message (const QString& statusMessage);
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81 void handle_save_workspace_request (void);
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82 void handle_load_workspace_request (void);
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83 void handle_clear_workspace_request (void);
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84 void handle_clear_history_request (void);
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85 void new_file (const QString& commands = QString ());
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86 void open_file (const QString& file_name = QString ());
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87 void open_online_documentation_page (void);
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88 void open_bug_tracker_page (void);
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89 void open_octave_forge_page (void);
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90 void open_agora_page (void);
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91 void process_settings_dialog_request (void);
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92 void show_about_octave (void);
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93 void notice_settings (const QSettings *settings);
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94 void prepare_to_exit (void);
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95 void exit (int status);
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96 void reset_windows (void);
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97
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98 void change_directory (const QString& dir);
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99 void browse_for_directory (void);
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100 void set_current_working_directory (const QString& dir);
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101 void change_directory_up (void);
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102 void accept_directory_line_edit (void);
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103
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104 void handle_command_double_clicked (const QString& command);
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105
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106 void handle_enter_debugger (void);
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107 void handle_exit_debugger (void);
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108 void debug_continue (void);
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109 void debug_step_into (void);
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110 void debug_step_over (void);
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111 void debug_step_out (void);
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112 void debug_quit (void);
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113
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114 void read_settings (void);
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115 void write_settings (void);
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116 void connect_visibility_changed (void);
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117
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118 protected:
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119 void closeEvent (QCloseEvent * closeEvent);
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120
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121 private:
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122
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123 void construct (void);
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124
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125 void construct_octave_qt_link (void);
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126
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127 void construct_menu_bar (void);
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128 void construct_file_menu (QMenuBar *p);
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129 void construct_new_menu (QMenu *p);
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130 void construct_edit_menu (QMenuBar *p);
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131 void construct_debug_menu_item (QMenu *p, const QString& item,
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132 const QKeySequence& key);
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133 QAction *construct_debug_menu_item (const char *icon_file,
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134 const QString& item,
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135 const QKeySequence& key);
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136 void construct_debug_menu (QMenuBar *p);
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137 void construct_desktop_menu (QMenuBar *p);
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138 QAction *construct_window_menu_item (QMenu *p, const QString& item,
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139 bool checkable,
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140 const QKeySequence& key);
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141 void construct_window_menu (QMenuBar *p);
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142 void construct_help_menu (QMenuBar *p);
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143 void construct_documentation_menu (QMenu *p);
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144
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145 void construct_tool_bar (void);
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146
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147 void establish_octave_link (void);
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148
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149 void save_workspace_callback (const std::string& file);
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150
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151 void load_workspace_callback (const std::string& file);
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152
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153 void clear_workspace_callback (void);
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154
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155 void clear_history_callback (void);
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156
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157 void change_directory_callback (const std::string& directory);
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158
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159 void debug_continue_callback (void);
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160
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161 void debug_step_into_callback (void);
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162
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163 void debug_step_over_callback (void);
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164
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165 void debug_step_out_callback (void);
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166
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167 void debug_quit_callback (void);
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168
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169 void exit_callback (void);
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170
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171 // Data models.
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172 workspace_model *_workspace_model;
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173
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174 // Toolbars.
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175 QStatusBar *status_bar;
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176
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177 // Subwindows.
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178 terminal_dock_widget *command_window;
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179 history_dock_widget *history_window;
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180 files_dock_widget *file_browser_window;
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181 documentation_dock_widget *doc_browser_window;
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182 file_editor_interface *editor_window;
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183 workspace_view *workspace_window;
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184
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185 QMenu *_debug_menu;
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186
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187 QAction *_debug_continue;
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188 QAction *_debug_step_into;
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189 QAction *_debug_step_over;
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190 QAction *_debug_step_out;
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191 QAction *_debug_quit;
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192
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193 QAction *_new_script_action;
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194 QAction *_open_action;
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195
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196 QAction *_cut_action;
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197 QAction *_copy_action;
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198 QAction *_paste_action;
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199 QAction *_undo_action;
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200 QAction *_redo_action;
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201
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202 // Toolbars.
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203 QComboBox *_current_directory_combo_box;
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204 static const int current_directory_width = 300;
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205 static const int current_directory_max_visible = 16;
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206 static const int current_directory_max_count = 16;
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207 QLineEdit *_current_directory_line_edit;
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208
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209 octave_main_thread *_octave_main_thread;
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210
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211 octave_qt_link *_octave_qt_link;
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212
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213 // Flag for closing whole application.
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214 bool _closing;
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215 };
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216
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217 #endif // MAINWINDOW_H