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annotate libgui/src/qt-interpreter-events.h @ 27311:0040b7668518

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update load path dialog when path is modified via console * main-window.cc (modify_path): do not emit path_changed_signal, notificaton is emitted by addpath or rmpath themselves; (handle_set_path_dialog_request): do not connect obsolete signal but th new interpreter event signal update_path_dialog_signal to the update slot of the path dialog * main-window.h: remove obsolete path_changed_signal * qt-interpreter-events.cc (update_path_dialog): new method emitting new update_path_dialog_signal * qt-interpreter-events.h: new method update_path_dialog and new signal update_path_dialog_signal * event-manager.h: new virtual method interpreter_events::update_path_dialog, new function event_manager::update_path_dialog calling update_path_dialog if gui is running * load-path.cc (rehash_internal): call update_path_dialog of event manager
author Torsten Lilge <ttl-octave@mailbox.org>
date Sun, 04 Aug 2019 08:52:27 +0200
parents 6c438195f4e0
children 820a87b87c01
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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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13
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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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22
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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 <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 "event-manager.h"
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39 // Defined for purposes of sending QList<int> as part of signal.
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40 typedef QList<int> QIntList;
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41
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42 class octave_value;
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43
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44 namespace octave
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45 {
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46 // The functions in this class are not normally called directly, but
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47 // are invoked from the Octave interpreter thead by methods in the
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48 // event_manager class. In most cases, they should only translate
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49 // data from the types typically used in the interpreter to whatever
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50 // is required by the GUI (for example, std::string to QString) and
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51 // emit a Qt signal.
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52 //
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53 // The use of Qt signals provides a thread-safe way for the Octave
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54 // interpreter to notify the GUI of events (directory or workspace has
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55 // changed, for example) or to request that the GUI perform actions
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56 // (display a dialog, for example).
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57 //
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58 // By using this class as a wrapper around the Qt signals, we maintain
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59 // a separation between the Octave interpreter and any specific GUI
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60 // toolkit (no Qt headers are used in the Octave interpreter sources).
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61
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62 class qt_interpreter_events : public QObject, public interpreter_events
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63 {
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64 Q_OBJECT
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65
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66 public:
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67
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68 qt_interpreter_events (void);
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69
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70 // No copying!
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71
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72 qt_interpreter_events (const qt_interpreter_events&) = delete;
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74 qt_interpreter_events& operator = (const qt_interpreter_events&) = delete;
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76 ~qt_interpreter_events (void) = default;
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77
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78 bool confirm_shutdown (void);
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79
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80 bool copy_image_to_clipboard (const std::string& file);
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81
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82 bool edit_file (const std::string& file);
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83
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84 bool prompt_new_edit_file (const std::string& file);
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85
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86 std::string
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87 question_dialog (const std::string& msg, const std::string& title,
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88 const std::string& btn1, const std::string& btn2,
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89 const std::string& btn3, const std::string& btndef);
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90
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91 std::pair<std::list<int>, int>
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92 list_dialog (const std::list<std::string>& list,
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93 const std::string& mode, int width, int height,
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94 const std::list<int>& initial_value,
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95 const std::string& name,
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96 const std::list<std::string>& prompt,
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97 const std::string& ok_string,
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98 const std::string& cancel_string);
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99
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100 std::list<std::string>
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101 input_dialog (const std::list<std::string>& prompt,
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102 const std::string& title, const std::list<float>& nr,
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103 const std::list<float>& nc,
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104 const std::list<std::string>& defaults);
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105
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106 std::list<std::string>
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107 file_dialog (const filter_list& filter, const std::string& title,
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108 const std::string& filename, const std::string& pathname,
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109 const std::string& multimode);
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110
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111 int debug_cd_or_addpath_error (const std::string& file,
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112 const std::string& dir,
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113 bool addpath_option);
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114
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115 void change_directory (const std::string& dir);
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116
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117 void update_path_dialog (void);
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118
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119 void file_remove (const std::string& old_name,
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120 const std::string& new_name);
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121
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122 void file_renamed (bool load_new = true);
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123
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124 void execute_command_in_terminal (const std::string& command);
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125
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126 uint8NDArray get_named_icon (const std::string& icon_name);
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127
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128 void set_workspace (bool top_level, bool debug,
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129 const symbol_info_list& syminfo,
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130 bool update_variable_editor);
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131
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132 void clear_workspace (void);
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133
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134 void set_history (const string_vector& hist);
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135
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136 void append_history (const std::string& hist_entry);
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137
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138 void clear_history (void);
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139
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140 void pre_input_event (void);
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141
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142 void post_input_event (void);
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143
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144 void enter_debugger_event (const std::string& file, int line);
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145
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146 void execute_in_debugger_event (const std::string& file, int line);
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147
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148 void exit_debugger_event (void);
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149
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150 void update_breakpoint (bool insert, const std::string& file, int line,
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151 const std::string& cond);
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152
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153 void show_preferences (void);
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154
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155 std::string gui_preference (const std::string& key,
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156 const std::string& value);
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157
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158 void show_doc (const std::string& file);
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159
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160 void register_doc (const std::string& file);
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161
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162 void unregister_doc (const std::string& file);
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163
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164 void edit_variable (const std::string& name, const octave_value& val);
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165
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166 void shutdown_confirmation (bool sd) { m_shutdown_confirm_result = sd; }
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167
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168 static bool file_in_path (const std::string& file, const std::string& dir);
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169
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170 void lock (void) { m_mutex.lock (); }
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171
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172 void wait (void) { m_waitcondition.wait (&m_mutex); }
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173
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174 void unlock (void) { m_mutex.unlock (); }
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175
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176 void wake_all (void) { m_waitcondition.wakeAll (); }
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177
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178 private:
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179
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180 void insert_debugger_pointer (const std::string& file, int line);
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181
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182 void delete_debugger_pointer (const std::string& file, int line);
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183
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184 bool m_shutdown_confirm_result;
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185
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186 QMutex m_mutex;
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187
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188 QWaitCondition m_waitcondition;
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189
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190 signals:
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191
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192 void copy_image_to_clipboard_signal (const QString& file, bool remove_file);
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193
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194 void edit_file_signal (const QString& file);
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195
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196 void change_directory_signal (const QString& dir);
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197
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198 void update_path_dialog_signal (void);
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199
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200 void file_remove_signal (const QString& old_name, const QString& new_name);
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201
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202 void file_renamed_signal (bool load_new);
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203
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204 void execute_command_in_terminal_signal (const QString& command);
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205
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206 void set_workspace_signal (bool top_level, bool debug,
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207 const symbol_info_list& syminfo);
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208
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209 void clear_workspace_signal (void);
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210
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211 void set_history_signal (const QStringList& hist);
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212
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213 void append_history_signal (const QString& hist_entry);
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214
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215 void clear_history_signal (void);
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216
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217 void enter_debugger_signal (void);
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218
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219 void exit_debugger_signal (void);
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220
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221 void update_breakpoint_marker_signal (bool insert, const QString& file,
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222 int line, const QString& cond);
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223
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224 void insert_debugger_pointer_signal (const QString&, int);
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225
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226 void delete_debugger_pointer_signal (const QString&, int);
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227
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228 void show_preferences_signal (void);
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229
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230 void gui_preference_signal (const QString&, const QString&, QString*);
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231
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232 void show_doc_signal (const QString& file);
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233
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234 void register_doc_signal (const QString& file);
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235
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236 void unregister_doc_signal (const QString& file);
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237
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238 void edit_variable_signal (const QString& name, const octave_value& val);
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239
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240 void refresh_variable_editor_signal (void);
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241
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242 void confirm_shutdown_signal (void);
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243 };
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244 }
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245
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246 #endif