annotate libgui/src/qt-interpreter-events.h @ 27923:bd51beb6205e

update formatting of copyright notices * Use <https://octave.org/copyright/> instead of <https://octave.org/COPYRIGHT.html/>. * For consistency with other comments in the Octave sources, use C++-style comments for copyright blocks in C and C++ files. * Use delimiters above and below copyright blocks that are appropriate for the language used in the file. * Eliminate extra spacing inside copyright blocks. * lex.ll (looks_like_copyright): Also allow newlines and carriage returns before the word "Copyright". * scripts/mk-doc.pl (gethelp): Also skip empty comment lines. * bp-table.cc, type.m: Adjust tests.
author John W. Eaton <jwe@octave.org>
date Wed, 08 Jan 2020 11:59:41 -0500
parents 1891570abac8
children aba2c4eadb83 8a05763823d1
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1 ////////////////////////////////////////////////////////////////////////
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2 //
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3 // Copyright (C) 2011-2020 The Octave Project Developers
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4 //
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5 // See the file COPYRIGHT.md in the top-level directory of this
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6 // distribution or <https://octave.org/copyright/>.
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7 //
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8 // This file is part of Octave.
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9 //
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10 // Octave is free software: you can redistribute it and/or modify it
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11 // under the terms of the GNU General Public License as published by
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12 // the Free Software Foundation, either version 3 of the License, or
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13 // (at your option) any later version.
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14 //
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15 // Octave is distributed in the hope that it will be useful, but
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16 // WITHOUT ANY WARRANTY; without even the implied warranty of
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17 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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18 // GNU General Public License for more details.
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19 //
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20 // You should have received a copy of the GNU General Public License
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21 // along with Octave; see the file COPYING. If not, see
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22 // <https://www.gnu.org/licenses/>.
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23 //
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24 ////////////////////////////////////////////////////////////////////////
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25
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26 #if ! defined (octave_qt_interpreter_events_h)
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27 #define octave_qt_interpreter_events_h 1
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28
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29 #include <list>
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30 #include <string>
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31
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32 #include <QList>
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33 #include <QMutex>
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34 #include <QObject>
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35 #include <QString>
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36 #include <QWaitCondition>
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37
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38 #include "dialog.h"
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39 #include "gui-settings.h"
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40
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41 #include "event-manager.h"
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42
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43 // Defined for purposes of sending QList<int> as part of signal.
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44 typedef QList<int> QIntList;
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45
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46 class octave_value;
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47
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48 namespace octave
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49 {
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50 class base_qobject;
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51
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52 // The functions in this class are not normally called directly, but
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53 // are invoked from the Octave interpreter thead by methods in the
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54 // event_manager class. In most cases, they should only translate
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55 // data from the types typically used in the interpreter to whatever
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56 // is required by the GUI (for example, std::string to QString) and
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57 // emit a Qt signal.
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58 //
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59 // The use of Qt signals provides a thread-safe way for the Octave
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60 // interpreter to notify the GUI of events (directory or workspace has
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61 // changed, for example) or to request that the GUI perform actions
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62 // (display a dialog, for example).
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63 //
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64 // By using this class as a wrapper around the Qt signals, we maintain
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65 // a separation between the Octave interpreter and any specific GUI
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66 // toolkit (no Qt headers are used in the Octave interpreter sources).
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67
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68 class qt_interpreter_events : public QObject, public interpreter_events
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69 {
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70 Q_OBJECT
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71
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72 public:
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73
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74 qt_interpreter_events (base_qobject& oct_qobj);
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75
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76 // No copying!
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77
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78 qt_interpreter_events (const qt_interpreter_events&) = delete;
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79
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80 qt_interpreter_events& operator = (const qt_interpreter_events&) = delete;
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81
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82 ~qt_interpreter_events (void) = default;
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83
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84 std::list<std::string>
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85 file_dialog (const filter_list& filter, const std::string& title,
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86 const std::string& filename, const std::string& pathname,
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87 const std::string& multimode);
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88
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89 std::list<std::string>
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90 input_dialog (const std::list<std::string>& prompt,
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91 const std::string& title, const std::list<float>& nr,
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92 const std::list<float>& nc,
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93 const std::list<std::string>& defaults);
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94
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95 std::pair<std::list<int>, int>
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96 list_dialog (const std::list<std::string>& list,
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97 const std::string& mode, int width, int height,
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98 const std::list<int>& initial_value,
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99 const std::string& name,
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100 const std::list<std::string>& prompt,
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101 const std::string& ok_string,
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102 const std::string& cancel_string);
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103
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104 std::string
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105 question_dialog (const std::string& msg, const std::string& title,
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106 const std::string& btn1, const std::string& btn2,
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107 const std::string& btn3, const std::string& btndef);
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108
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109 void update_path_dialog (void);
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110
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111 void show_preferences (void);
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112
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113 void apply_preferences (void);
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114
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115 void show_doc (const std::string& file);
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116
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117 bool edit_file (const std::string& file);
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118
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119 void edit_variable (const std::string& name, const octave_value& val);
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120
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121 bool confirm_shutdown (void);
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122
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123 bool prompt_new_edit_file (const std::string& file);
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124
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125 int debug_cd_or_addpath_error (const std::string& file,
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126 const std::string& dir,
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127 bool addpath_option);
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128
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129 uint8NDArray get_named_icon (const std::string& icon_name);
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130
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131 std::string gui_preference (const std::string& key,
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132 const std::string& value);
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133
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134 bool copy_image_to_clipboard (const std::string& file);
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135
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136 void focus_window (const std::string win_name);
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137
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138 void execute_command_in_terminal (const std::string& command);
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139
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140 void register_doc (const std::string& file);
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141
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142 void unregister_doc (const std::string& file);
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143
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144 void directory_changed (const std::string& dir);
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145
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146 void file_remove (const std::string& old_name,
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147 const std::string& new_name);
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148
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149 void file_renamed (bool load_new = true);
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150
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151 void set_workspace (bool top_level, bool debug,
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152 const symbol_info_list& syminfo,
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153 bool update_variable_editor);
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154
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155 void clear_workspace (void);
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156
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157 void set_history (const string_vector& hist);
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158
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159 void append_history (const std::string& hist_entry);
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160
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161 void clear_history (void);
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162
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163 void pre_input_event (void);
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164
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165 void post_input_event (void);
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166
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167 void enter_debugger_event (const std::string& fcn_name,
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168 const std::string& fcn_file_name, int line);
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169
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170 void execute_in_debugger_event (const std::string& file, int line);
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171
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172 void exit_debugger_event (void);
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173
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174 void update_breakpoint (bool insert, const std::string& file, int line,
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175 const std::string& cond);
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176
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177 void lock (void) { m_mutex.lock (); }
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178
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179 void wait (void) { m_waitcondition.wait (&m_mutex); }
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180
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181 void unlock (void) { m_mutex.unlock (); }
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182
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183 void wake_all (void) { m_waitcondition.wakeAll (); }
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184
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185 public slots:
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186
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187 void confirm_shutdown_octave (void);
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188
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189 void get_named_icon_slot (const QString& name);
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190
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191 void gui_preference_slot (const QString& key, const QString& value);
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192
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193 signals:
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194
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195 void copy_image_to_clipboard_signal (const QString& file, bool remove_file);
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196
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197 void focus_window_signal (const QString& win_name);
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198
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199 void edit_file_signal (const QString& file);
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200
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201 void directory_changed_signal (const QString& dir);
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202
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203 void update_path_dialog_signal (void);
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204
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205 void file_remove_signal (const QString& old_name, const QString& new_name);
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206
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207 void file_renamed_signal (bool load_new);
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208
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209 void execute_command_in_terminal_signal (const QString& command);
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210
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211 void set_workspace_signal (bool top_level, bool debug,
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212 const symbol_info_list& syminfo);
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213
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214 void clear_workspace_signal (void);
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215
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216 void set_history_signal (const QStringList& hist);
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217
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218 void append_history_signal (const QString& hist_entry);
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219
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220 void clear_history_signal (void);
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221
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222 void enter_debugger_signal (void);
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223
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224 void exit_debugger_signal (void);
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225
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226 void update_breakpoint_marker_signal (bool insert, const QString& file,
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227 int line, const QString& cond);
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228
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229 void insert_debugger_pointer_signal (const QString&, int);
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230
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231 void delete_debugger_pointer_signal (const QString&, int);
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232
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233 void show_preferences_signal (void);
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234
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235 void gui_preference_signal (const QString& key, const QString& value);
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236
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237 void show_doc_signal (const QString& file);
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238
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239 void register_doc_signal (const QString& file);
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240
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241 void unregister_doc_signal (const QString& file);
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242
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243 void edit_variable_signal (const QString& name, const octave_value& val);
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244
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245 void refresh_variable_editor_signal (void);
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246
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247 void confirm_shutdown_signal (void);
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248
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249 void get_named_icon_signal (const QString& name);
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250
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251 void settings_changed (const gui_settings *);
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252
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253 void apply_new_settings (void);
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254
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255 private:
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256
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257 QString gui_preference_adjust (const QString& key, const QString& value);
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258
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259 void insert_debugger_pointer (const std::string& file, int line);
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260
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261 void delete_debugger_pointer (const std::string& file, int line);
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262
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263 base_qobject& m_octave_qobj;
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264
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265 QUIWidgetCreator m_uiwidget_creator;
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266
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267 QVariant m_result;
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268
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269 QMutex m_mutex;
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270
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271 QWaitCondition m_waitcondition;
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272 };
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273 }
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274
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275 #endif