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annotate libgui/src/qt-interpreter-events.h @ 27588:f0e3f3e28a8e

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move qt_interpreter_events object from interpreter_qobject to octave_qobject * interpreter-qobject.h, interpreter-qobject.cc (interpreter_qobject::m_qt_link): Delete data member and all uses. (interpreter_qobject::execute): Don't connect confirm_shutdown_signal and copy_image_to_clipboard_signal here. (interpreter_qobject::confirm_shutdown): Delete. * octave-qobject.h, octave-qobject.cc (base_qobject::octave_qobject): Connect copy_image_to_clipboard_signal here. (base_qobject::m_qt_interpreter_events): New data member. (base_qobject::confirm_shutdown): New function. (base_qobject::confirm_shutdown_octave): Delete. (bool gui_qobject::confirm_shutdown): New function. (base_qobject::get_qt_interpreter_events, base_qobject::qt_link): New functions. * interpreter.h, interpreter.cc (interpreter::quit): New arg, confirm. * main-window.h, main-window.cc (main_window::confirm_shutdown): Rename from confirm_shutdown_octave. Change all uses. (main_window::closeEvent): Check confirm_shutdown first, then if exit is confirmed, call interpreter::quit with extra argument to skip confirmation. * qt-interpreter-events.h, qt-interpreter-events.cc (qt_interpreter_events::m_octave_qobject): New data member. (qt_interpreter_events::qt_interpreter_events): Connect confirm_shutdown_signal to confirm_shutdown_octave slot here. (qt_interpreter_events::confirm_shutdown_octave): New function.
author John W. Eaton <jwe@octave.org>
date Sat, 26 Oct 2019 12:20:29 -0400
parents 9b72eb111b7e
children f6b729077ebd
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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 Copyright (C) 2011-2019 John P. Swensen
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6
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7 This file is part of Octave.
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8
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9 Octave is free software: you can redistribute it and/or modify it
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10 under the terms of the GNU General Public License as published by
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11 the Free Software Foundation, either version 3 of the License, or
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12 (at your option) any later version.
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14 Octave is distributed in the hope that it will be useful, but
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15 WITHOUT ANY WARRANTY; without even the implied warranty of
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16 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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17 GNU General Public License for more details.
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18
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19 You should have received a copy of the GNU General Public License
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20 along with Octave; see the file COPYING. If not, see
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21 <https://www.gnu.org/licenses/>.
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23 */
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25 #if ! defined (octave_qt_interpreter_events_h)
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26 #define octave_qt_interpreter_events_h 1
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27
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28 #include <list>
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29 #include <string>
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31 #include <QList>
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32 #include <QMutex>
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33 #include <QObject>
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34 #include <QString>
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35 #include <QWaitCondition>
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37 #include "event-manager.h"
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39 #include "dialog.h"
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41 // Defined for purposes of sending QList<int> as part of signal.
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42 typedef QList<int> QIntList;
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43
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44 class octave_value;
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45
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46 namespace octave
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47 {
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48 class base_qobject;
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50 // The functions in this class are not normally called directly, but
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51 // are invoked from the Octave interpreter thead by methods in the
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52 // event_manager class. In most cases, they should only translate
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53 // data from the types typically used in the interpreter to whatever
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54 // is required by the GUI (for example, std::string to QString) and
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55 // emit a Qt signal.
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56 //
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57 // The use of Qt signals provides a thread-safe way for the Octave
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58 // interpreter to notify the GUI of events (directory or workspace has
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59 // changed, for example) or to request that the GUI perform actions
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60 // (display a dialog, for example).
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61 //
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62 // By using this class as a wrapper around the Qt signals, we maintain
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63 // a separation between the Octave interpreter and any specific GUI
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64 // toolkit (no Qt headers are used in the Octave interpreter sources).
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66 class qt_interpreter_events : public QObject, public interpreter_events
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67 {
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68 Q_OBJECT
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69
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70 public:
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71
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72 qt_interpreter_events (base_qobject& oct_qobj);
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73
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74 // No copying!
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76 qt_interpreter_events (const qt_interpreter_events&) = delete;
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78 qt_interpreter_events& operator = (const qt_interpreter_events&) = delete;
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80 ~qt_interpreter_events (void) = default;
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81
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82 std::list<std::string>
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83 file_dialog (const filter_list& filter, const std::string& title,
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84 const std::string& filename, const std::string& pathname,
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85 const std::string& multimode);
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86
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87 std::list<std::string>
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88 input_dialog (const std::list<std::string>& prompt,
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89 const std::string& title, const std::list<float>& nr,
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90 const std::list<float>& nc,
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91 const std::list<std::string>& defaults);
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92
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93 std::pair<std::list<int>, int>
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94 list_dialog (const std::list<std::string>& list,
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95 const std::string& mode, int width, int height,
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96 const std::list<int>& initial_value,
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97 const std::string& name,
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98 const std::list<std::string>& prompt,
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99 const std::string& ok_string,
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100 const std::string& cancel_string);
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101
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102 std::string
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103 question_dialog (const std::string& msg, const std::string& title,
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104 const std::string& btn1, const std::string& btn2,
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105 const std::string& btn3, const std::string& btndef);
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106
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107 void update_path_dialog (void);
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108
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109 void show_preferences (void);
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110
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111 void show_doc (const std::string& file);
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112
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113 bool edit_file (const std::string& file);
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114
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115 void edit_variable (const std::string& name, const octave_value& val);
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116
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117 bool confirm_shutdown (void);
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118
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119 bool prompt_new_edit_file (const std::string& file);
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120
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121 int debug_cd_or_addpath_error (const std::string& file,
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122 const std::string& dir,
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123 bool addpath_option);
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124
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125 uint8NDArray get_named_icon (const std::string& icon_name);
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126
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127 std::string gui_preference (const std::string& key,
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128 const std::string& value);
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129
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130 bool copy_image_to_clipboard (const std::string& file);
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131
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132 void execute_command_in_terminal (const std::string& command);
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133
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134 void register_doc (const std::string& file);
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135
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136 void unregister_doc (const std::string& file);
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137
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138 void directory_changed (const std::string& dir);
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139
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140 void file_remove (const std::string& old_name,
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141 const std::string& new_name);
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142
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143 void file_renamed (bool load_new = true);
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144
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145 void set_workspace (bool top_level, bool debug,
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146 const symbol_info_list& syminfo,
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147 bool update_variable_editor);
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148
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149 void clear_workspace (void);
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150
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151 void set_history (const string_vector& hist);
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152
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153 void append_history (const std::string& hist_entry);
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154
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155 void clear_history (void);
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156
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157 void pre_input_event (void);
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158
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159 void post_input_event (void);
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160
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161 void enter_debugger_event (const std::string& fcn_name,
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162 const std::string& fcn_file_name, int line);
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163
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164 void execute_in_debugger_event (const std::string& file, int line);
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165
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166 void exit_debugger_event (void);
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167
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168 void update_breakpoint (bool insert, const std::string& file, int line,
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169 const std::string& cond);
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170
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171 void lock (void) { m_mutex.lock (); }
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172
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173 void wait (void) { m_waitcondition.wait (&m_mutex); }
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174
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175 void unlock (void) { m_mutex.unlock (); }
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176
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177 void wake_all (void) { m_waitcondition.wakeAll (); }
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178
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179 public slots:
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180
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181 void confirm_shutdown_octave (void);
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182
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183 private:
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184
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185 void insert_debugger_pointer (const std::string& file, int line);
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186
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187 void delete_debugger_pointer (const std::string& file, int line);
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188
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189 base_qobject& m_octave_qobj;
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190
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191 bool m_shutdown_confirm_result;
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192
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193 QMutex m_mutex;
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194
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195 QWaitCondition m_waitcondition;
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196
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197 QUIWidgetCreator m_uiwidget_creator;
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198
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199 signals:
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200
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201 void copy_image_to_clipboard_signal (const QString& file, bool remove_file);
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202
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203 void edit_file_signal (const QString& file);
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204
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205 void directory_changed_signal (const QString& dir);
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206
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207 void update_path_dialog_signal (void);
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208
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209 void file_remove_signal (const QString& old_name, const QString& new_name);
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210
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211 void file_renamed_signal (bool load_new);
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212
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213 void execute_command_in_terminal_signal (const QString& command);
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214
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215 void set_workspace_signal (bool top_level, bool debug,
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216 const symbol_info_list& syminfo);
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217
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218 void clear_workspace_signal (void);
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219
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220 void set_history_signal (const QStringList& hist);
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221
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222 void append_history_signal (const QString& hist_entry);
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223
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224 void clear_history_signal (void);
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225
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226 void enter_debugger_signal (void);
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227
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228 void exit_debugger_signal (void);
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229
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230 void update_breakpoint_marker_signal (bool insert, const QString& file,
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231 int line, const QString& cond);
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232
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233 void insert_debugger_pointer_signal (const QString&, int);
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234
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235 void delete_debugger_pointer_signal (const QString&, int);
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236
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237 void show_preferences_signal (void);
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238
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239 void gui_preference_signal (const QString&, const QString&, QString*);
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240
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241 void show_doc_signal (const QString& file);
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242
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243 void register_doc_signal (const QString& file);
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244
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245 void unregister_doc_signal (const QString& file);
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246
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247 void edit_variable_signal (const QString& name, const octave_value& val);
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248
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249 void refresh_variable_editor_signal (void);
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250
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251 void confirm_shutdown_signal (void);
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252 };
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253 }
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254
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255 #endif