annotate libgui/src/qt-interpreter-events.h @ 30564:796f54d4ddbf stable

update Octave Project Developers copyright for the new year In files that have the "Octave Project Developers" copyright notice, update for 2021. In all .txi and .texi files except gpl.txi and gpl.texi in the doc/liboctave and doc/interpreter directories, change the copyright to "Octave Project Developers", the same as used for other source files. Update copyright notices for 2022 (not done since 2019). For gpl.txi and gpl.texi, change the copyright notice to be "Free Software Foundation, Inc." and leave the date at 2007 only because this file only contains the text of the GPL, not anything created by the Octave Project Developers. Add Paul Thomas to contributors.in.
author John W. Eaton <jwe@octave.org>
date Tue, 28 Dec 2021 18:22:40 -0500
parents a7981aa5822b
children 9c0099048264
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1 ////////////////////////////////////////////////////////////////////////
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2 //
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3 // Copyright (C) 2011-2022 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 // Note: these functions currently do nothing with the old terminal
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85 // widget.
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86 void start_gui (bool gui_app = false);
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87 void close_gui (void);
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88
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89 bool have_dialogs (void) const { return true; }
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90
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91 std::list<std::string>
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92 file_dialog (const filter_list& filter, const std::string& title,
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93 const std::string& filename, const std::string& pathname,
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94 const std::string& multimode);
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95
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96 std::list<std::string>
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97 input_dialog (const std::list<std::string>& prompt,
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98 const std::string& title, const std::list<float>& nr,
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99 const std::list<float>& nc,
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100 const std::list<std::string>& defaults);
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101
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102 std::pair<std::list<int>, int>
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103 list_dialog (const std::list<std::string>& list,
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104 const std::string& mode, int width, int height,
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105 const std::list<int>& initial_value,
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106 const std::string& name,
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107 const std::list<std::string>& prompt,
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108 const std::string& ok_string,
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109 const std::string& cancel_string);
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110
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111 std::string
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112 question_dialog (const std::string& msg, const std::string& title,
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113 const std::string& btn1, const std::string& btn2,
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114 const std::string& btn3, const std::string& btndef);
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115
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116 void update_path_dialog (void);
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117
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118 void show_preferences (void);
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119
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120 void apply_preferences (void);
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121
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122 void show_terminal_window (void);
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123
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124 bool show_documentation (const std::string& file);
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125
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126 void show_file_browser (void);
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127
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128 void show_command_history (void);
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129
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130 void show_workspace (void);
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131
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132 void show_community_news (int serial);
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133 void show_release_notes (void);
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134
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135 bool edit_file (const std::string& file);
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136
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137 void edit_variable (const std::string& name, const octave_value& val);
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138
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139 bool confirm_shutdown (void);
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140
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141 bool prompt_new_edit_file (const std::string& file);
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142
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143 int debug_cd_or_addpath_error (const std::string& file,
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144 const std::string& dir,
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145 bool addpath_option);
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146
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147 uint8NDArray get_named_icon (const std::string& icon_name);
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148
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149 std::string gui_preference (const std::string& key,
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150 const std::string& value);
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151
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152 bool copy_image_to_clipboard (const std::string& file);
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153
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154 void focus_window (const std::string win_name);
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155
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156 void execute_command_in_terminal (const std::string& command);
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157
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158 void register_documentation (const std::string& file);
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159
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160 void unregister_documentation (const std::string& file);
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161
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162 // Note: this function currently does nothing with the old terminal
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163 // widget.
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164 void interpreter_output (const std::string& msg);
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165
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166 void display_exception (const execution_exception& ee, bool beep);
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167
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168 void gui_status_update (const std::string& feature, const std::string& status);
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169
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170 void update_gui_lexer (void);
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171
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172 void directory_changed (const std::string& dir);
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173
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174 void file_remove (const std::string& old_name,
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175 const std::string& new_name);
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176
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177 void file_renamed (bool load_new = true);
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178
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179 void set_workspace (bool top_level, bool debug,
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180 const symbol_info_list& syminfo,
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181 bool update_variable_editor);
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182
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183 void clear_workspace (void);
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184
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185 void update_prompt (const std::string& prompt);
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186
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187 void set_history (const string_vector& hist);
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188
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189 void append_history (const std::string& hist_entry);
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190
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191 void clear_history (void);
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192
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193 void pre_input_event (void);
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194
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195 void post_input_event (void);
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196
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197 void enter_debugger_event (const std::string& fcn_name,
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198 const std::string& fcn_file_name, int line);
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199
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200 void execute_in_debugger_event (const std::string& file, int line);
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201
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202 void exit_debugger_event (void);
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203
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204 void update_breakpoint (bool insert, const std::string& file, int line,
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205 const std::string& cond);
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206
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207 void lock (void) { m_mutex.lock (); }
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208
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209 void wait (void) { m_waitcondition.wait (&m_mutex); }
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210
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211 void unlock (void) { m_mutex.unlock (); }
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212
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213 void wake_all (void) { m_waitcondition.wakeAll (); }
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214
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215 public slots:
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216
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217 void confirm_shutdown_octave (void);
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218
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219 void get_named_icon_slot (const QString& name);
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220
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221 void gui_preference_slot (const QString& key, const QString& value);
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222
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223 signals:
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224
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225 // Note: these signals are not currently used by the old terminal widget.
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226 void start_gui_signal (bool gui_app);
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227 void close_gui_signal (void);
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228
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229 void copy_image_to_clipboard_signal (const QString& file, bool remove_file);
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230
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231 void focus_window_signal (const QString& win_name);
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232
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233 void edit_file_signal (const QString& file);
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234
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235 void directory_changed_signal (const QString& dir);
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236
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237 void update_path_dialog_signal (void);
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238
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239 void file_remove_signal (const QString& old_name, const QString& new_name);
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240
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241 void file_renamed_signal (bool load_new);
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242
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243 void execute_command_in_terminal_signal (const QString& command);
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244
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245 void set_workspace_signal (bool top_level, bool debug,
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246 const symbol_info_list& syminfo);
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247
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248 void clear_workspace_signal (void);
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249
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250 void update_prompt_signal (const QString& prompt);
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251
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252 void set_history_signal (const QStringList& hist);
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253
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254 void append_history_signal (const QString& hist_entry);
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255
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256 void clear_history_signal (void);
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257
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258 void enter_debugger_signal (void);
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259
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260 void exit_debugger_signal (void);
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261
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262 void update_breakpoint_marker_signal (bool insert, const QString& file,
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263 int line, const QString& cond);
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264
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265 void insert_debugger_pointer_signal (const QString&, int);
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266
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267 void delete_debugger_pointer_signal (const QString&, int);
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268
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269 void show_preferences_signal (void);
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270
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271 void gui_preference_signal (const QString& key, const QString& value);
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272
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273 void show_terminal_window_signal (void);
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274
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275 void show_documentation_signal (const QString& file);
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276
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277 void register_documentation_signal (const QString& file);
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278
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279 void unregister_documentation_signal (const QString& file);
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280
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281 void show_file_browser_signal (void);
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282
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283 void show_command_history_signal (void);
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284
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285 void show_workspace_signal (void);
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286
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287 void show_community_news_signal (int serial);
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288 void show_release_notes_signal (void);
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289
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290 // Note: this signal currently not used by the old terminal widget.
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291 void interpreter_output_signal (const QString& msg);
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292
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293 void gui_status_update_signal (const QString& feature, const QString& status);
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294
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295 void update_gui_lexer_signal (bool update_apis_only);
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296
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297 void edit_variable_signal (const QString& name, const octave_value& val);
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298
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299 void refresh_variable_editor_signal (void);
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300
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301 void confirm_shutdown_signal (void);
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302
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303 void get_named_icon_signal (const QString& name);
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304
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305 void settings_changed (const gui_settings *, bool);
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306
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307 void apply_new_settings (void);
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308
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309 private:
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310
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311 QString gui_preference_adjust (const QString& key, const QString& value);
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312
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313 void insert_debugger_pointer (const std::string& file, int line);
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314
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315 void delete_debugger_pointer (const std::string& file, int line);
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316
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317 base_qobject& m_octave_qobj;
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318
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319 QUIWidgetCreator m_uiwidget_creator;
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320
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321 QVariant m_result;
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322
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323 QMutex m_mutex;
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324
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325 QWaitCondition m_waitcondition;
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326 };
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327 }
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328
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329 #endif