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annotate libgui/src/octave-qt-link.h @ 25742:d3c6de326bae

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close/reload editor tab when file is (re)moved in gui terminal (bug #43922) * file-editor.cc (handle_file_remove): new code structure * main-window.cc (construct): connect new signals from octave_qt_link to the slot handle_file_renamed and the new proxy slot file_remove_proxy; (file_remove_proxy): proxy calling handle_file_remove but protected by the mutex of octave_qt_link synchronizing worker and gui thread * main-window.h: new slot file_remove_proxy * octave-qt-link.cc (do_file_remove): new method for renaming or removing files which signals the editor (gui thread) for closing the files before removing is carried out; (do_file_renamed): new method for re-loading renamed files into editor; * octave-qt-link.h: new methods do_file_remove and do_file_renamed, new signals used in the new methods for signaling the editor slots * dirfns.cc (rmdir): call the new static octave_link method for removing a file, which might be opened in the editor before removing a dir; (rename): call the new static octave_link method for renaming a file, which might be opened in the editor before renaming it and call the method for reloading the new renamed file; * octave-link.h (file_remove): new static method calling purely virtual method do_file_remove, which is implemented in octave_qt_link; (file_renamed): new static method calling purely virtual method do_file_renamed, which is implemented in octave_qt_link * syscalls.cc (unlink): call the new static octave_link method for removing a file, which might be opened in the editor before removing it
author Torsten <mttl@mailbox.org>
date Sun, 17 Sep 2017 05:52:33 +0200
parents 3418d3729a51
children 9c47eedc44e2
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1 /*
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2
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3 Copyright (C) 2013-2018 John W. Eaton
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4 Copyright (C) 2011-2018 Jacob Dawid
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5 Copyright (C) 2011-2018 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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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_link_h)
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26 #define octave_qt_link_h 1
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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 <QObject>
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33 #include <QString>
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34 #include <QMutex>
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35 #include <QWaitCondition>
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37 #include "octave-gui.h"
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38 #include "octave-link.h"
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40 // Defined for purposes of sending QList<int> as part of signal.
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41 typedef QList<int> QIntList;
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42
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43 class octave_value;
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44
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45 namespace octave
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46 {
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47
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48 //! Provides threadsafe access to octave.
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49 //! @author Jacob Dawid
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50 //!
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51 //! This class is a wrapper around octave and provides thread safety by
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52 //! buffering access operations to octave and executing them in the
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53 //! readline event hook, which lives in the octave thread.
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54
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55 class octave_qt_link : public QObject, public octave_link
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56 {
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57 Q_OBJECT
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58
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59 public:
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60
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61 octave_qt_link (QWidget *p, gui_application *app_context);
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62
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63 // No copying!
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64
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65 octave_qt_link (const octave_qt_link&) = delete;
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66
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67 octave_qt_link& operator = (const octave_qt_link&) = delete;
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68
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69 ~octave_qt_link (void) = default;
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70
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71 bool do_confirm_shutdown (void);
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72
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73 bool do_copy_image_to_clipboard (const std::string& file);
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74
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75 bool do_edit_file (const std::string& file);
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76 bool do_prompt_new_edit_file (const std::string& file);
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77
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78 int do_message_dialog (const std::string& dlg, const std::string& msg,
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79 const std::string& title);
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80
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81 std::string
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82 do_question_dialog (const std::string& msg, const std::string& title,
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83 const std::string& btn1, const std::string& btn2,
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84 const std::string& btn3, const std::string& btndef);
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85
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86 std::pair<std::list<int>, int>
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87 do_list_dialog (const std::list<std::string>& list,
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88 const std::string& mode,
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89 int width, int height,
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90 const std::list<int>& initial_value,
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91 const std::string& name,
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92 const std::list<std::string>& prompt,
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93 const std::string& ok_string,
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94 const std::string& cancel_string);
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95
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96 std::list<std::string>
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97 do_input_dialog (const std::list<std::string>& prompt,
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98 const std::string& title,
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99 const std::list<float>& nr,
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100 const std::list<float>& nc,
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101 const std::list<std::string>& defaults);
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102
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103 std::list<std::string>
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104 do_file_dialog (const filter_list& filter, const std::string& title,
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105 const std::string& filename, const std::string& pathname,
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106 const std::string& multimode);
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107
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108 int
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109 do_debug_cd_or_addpath_error (const std::string& file,
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110 const std::string& dir,
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111 bool addpath_option);
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112
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113 void do_change_directory (const std::string& dir);
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114
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115 void do_file_remove (const std::string& old_name,
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116 const std::string& new_name);
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117 void do_file_renamed (bool load_new = true);
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118
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119 void do_execute_command_in_terminal (const std::string& command);
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120
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121 void do_set_workspace (bool top_level, bool debug,
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122 const symbol_scope& scope,
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123 bool update_variable_editor);
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124
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125 void do_clear_workspace (void);
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126
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127 void do_set_history (const string_vector& hist);
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128 void do_append_history (const std::string& hist_entry);
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129 void do_clear_history (void);
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130
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131 void do_pre_input_event (void);
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132 void do_post_input_event (void);
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133
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134 void do_enter_debugger_event (const std::string& file, int line);
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135 void do_execute_in_debugger_event (const std::string& file, int line);
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136 void do_exit_debugger_event (void);
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137
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138 void do_update_breakpoint (bool insert, const std::string& file, int line,
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139 const std::string& cond);
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140
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141 static bool file_in_path (const std::string& file, const std::string& dir);
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142
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143 void do_show_preferences (void);
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144
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145 std::string do_gui_preference (const std::string& key,
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146 const std::string& value);
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147 void do_show_doc (const std::string& file);
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148 void do_register_doc (const std::string& file);
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149 void do_unregister_doc (const std::string& file);
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150
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151 void do_edit_variable (const std::string& name, const octave_value& val);
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152
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153 void shutdown_confirmation (bool sd) { m_shutdown_confirm_result = sd; }
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154
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155 void lock (void) { m_mutex.lock (); }
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156 void wait (void) { m_waitcondition.wait (&m_mutex); }
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157 void unlock (void) { m_mutex.unlock (); }
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158 void wake_all (void) { m_waitcondition.wakeAll (); }
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159
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160 private:
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161
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162 void do_insert_debugger_pointer (const std::string& file, int line);
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163 void do_delete_debugger_pointer (const std::string& file, int line);
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164
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165 gui_application *m_app_context;
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166
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167 bool m_shutdown_confirm_result;
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168
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169 QMutex m_mutex;
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170 QWaitCondition m_waitcondition;
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171
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172 signals:
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173
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174 void copy_image_to_clipboard_signal (const QString& file, bool remove_file);
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175
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176 void edit_file_signal (const QString& file);
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177
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178 void change_directory_signal (const QString& dir);
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179
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180 void file_remove_signal (const QString& old_name, const QString& new_name);
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181 void file_renamed_signal (bool load_new);
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182
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183 void execute_command_in_terminal_signal (const QString& command);
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184
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185 void set_workspace_signal (bool top_level, bool debug,
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186 const symbol_scope& scope);
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187
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188 void clear_workspace_signal (void);
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189
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190 void set_history_signal (const QStringList& hist);
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191 void append_history_signal (const QString& hist_entry);
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192 void clear_history_signal (void);
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193
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194 void enter_debugger_signal (void);
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195 void exit_debugger_signal (void);
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196
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197 void update_breakpoint_marker_signal (bool insert, const QString& file,
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198 int line, const QString& cond);
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199
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200 void insert_debugger_pointer_signal (const QString&, int);
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201 void delete_debugger_pointer_signal (const QString&, int);
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202
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203 void show_preferences_signal (void);
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204
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205 void gui_preference_signal (const QString&, const QString&, QString*);
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206
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207 void show_doc_signal (const QString& file);
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208
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209 void register_doc_signal (const QString& file);
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210
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211 void unregister_doc_signal (const QString& file);
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212
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213 void edit_variable_signal (const QString& name, const octave_value& val);
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214
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215 void refresh_variable_editor_signal (void);
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216
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217 void confirm_shutdown_signal (void);
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218 };
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219 }
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220
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221 #endif