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maint: Merge stable to default.
author Markus Mützel <markus.muetzel@gmx.de>
date Tue, 28 May 2024 15:25:54 +0200
parents 4b601ca024d5
children
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1 ////////////////////////////////////////////////////////////////////////
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2 //
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3 // Copyright (C) 1996-2024 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_cmd_edit_h)
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27 #define octave_cmd_edit_h 1
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28
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29 #include "octave-config.h"
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30
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31 #include <cstdio>
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32
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33 #include <set>
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34 #include <string>
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35
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36 #include "str-vec.h"
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37
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38 OCTAVE_BEGIN_NAMESPACE(octave)
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39
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40 class OCTAVE_API command_editor
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41 {
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42 protected:
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43
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44 command_editor ()
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45 : m_command_number (1), m_rows (24), m_cols (80), m_interrupted (false),
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46 m_interrupt_event_loop (false), m_initial_input ()
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47 { }
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48
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49 public:
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50
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51 typedef int (*startup_hook_fcn) ();
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52
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53 typedef int (*pre_input_hook_fcn) ();
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54
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55 typedef int (*event_hook_fcn) ();
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56
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57 typedef std::string (*completion_fcn) (const std::string&, int);
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58
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59 typedef char *(*completion_hook_fcn) ();
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60
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61 typedef std::string (*quoting_fcn) (const std::string&, int, char);
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62
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63 typedef std::string (*dequoting_fcn) (const std::string&, int);
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64
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65 typedef int (*char_is_quoted_fcn) (const std::string&, int);
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66
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67 typedef void (*user_accept_line_fcn) (const std::string&);
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68
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69 OCTAVE_DISABLE_COPY_MOVE (command_editor)
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70
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71 virtual ~command_editor () = default;
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72
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73 static void set_name (const std::string& n);
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74
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75 static std::string readline (const std::string& prompt);
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76
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77 static std::string readline (const std::string& prompt, bool& eof);
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78
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79 static void set_input_stream (FILE *f);
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80
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81 static FILE * get_input_stream ();
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82
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83 static void set_output_stream (FILE *f);
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84
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85 static FILE * get_output_stream ();
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86
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87 static void redisplay ();
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88
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89 static int terminal_rows ();
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90
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91 static int terminal_cols ();
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92
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93 static void clear_screen (bool skip_redisplay = false);
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94
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95 static void resize_terminal ();
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96
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97 static void set_screen_size (int ht, int wd);
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98
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99 static std::string decode_prompt_string (const std::string& s);
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100
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101 static void restore_terminal_state ();
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102
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103 static void blink_matching_paren (bool flag);
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104
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105 static bool erase_empty_line (bool flag);
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106
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107 static void set_basic_word_break_characters (const std::string& s);
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108
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109 static void set_completer_word_break_characters (const std::string& s);
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110
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111 static void set_basic_quote_characters (const std::string& s);
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112
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113 static void set_filename_quote_characters (const std::string& s);
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115 static void set_completer_quote_characters (const std::string& s);
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116
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117 static void set_completion_append_character (char c);
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118
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119 static void set_completion_function (completion_fcn f);
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120
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121 static void set_quoting_function (quoting_fcn f);
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122
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123 static void set_dequoting_function (dequoting_fcn f);
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124
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125 static void set_char_is_quoted_function (char_is_quoted_fcn f);
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126
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127 static void set_user_accept_line_function (user_accept_line_fcn f);
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128
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129 static completion_fcn get_completion_function ();
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130
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131 static quoting_fcn get_quoting_function ();
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132
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133 static dequoting_fcn get_dequoting_function ();
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134
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135 static char_is_quoted_fcn get_char_is_quoted_function ();
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136
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137 static user_accept_line_fcn get_user_accept_line_function ();
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138
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139 static string_vector
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140 generate_filename_completions (const std::string& text);
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141
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142 static std::string get_line_buffer ();
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143
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144 static std::string get_current_line ();
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145
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146 static char get_prev_char (int);
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Lachlan Andrew <lachlanbis@gmail.com>
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147
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148 static void replace_line (const std::string& text, bool clear_undo = true);
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149
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150 static void kill_full_line ();
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151
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152 static void insert_text (const std::string& text);
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153
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154 static void newline ();
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155
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156 static void accept_line ();
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157
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158 static bool undo ();
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159
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160 static void clear_undo_list ();
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161
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162 static void add_startup_hook (startup_hook_fcn f);
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163
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164 static void remove_startup_hook (startup_hook_fcn f);
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165
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166 static void add_pre_input_hook (pre_input_hook_fcn f);
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167
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168 static void remove_pre_input_hook (pre_input_hook_fcn f);
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169
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170 static void add_event_hook (event_hook_fcn f);
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171
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172 static void remove_event_hook (event_hook_fcn f);
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173
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174 static void run_event_hooks ();
13924
3b654a0753b1 Implement waitfor, uiwait and uiresume.
Michael Goffioul <michael.goffioul@gmail.com>
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175
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176 static void read_init_file (const std::string& file = "");
3189
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177
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178 static void re_read_init_file ();
7758
8e14a01ffe9f input.cc (Fre_read_readline_init_file): new function
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179
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180 static bool filename_completion_desired (bool);
4143
62afb31c1f85 [project @ 2002-11-01 17:27:38 by jwe]
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181
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182 static bool filename_quoting_desired (bool);
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183
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Rik <rik@octave.org>
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184 static bool prefer_env_winsize (bool);
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185
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186 static bool interrupt (bool = true);
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187
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188 static void interrupt_event_loop (bool flag = true);
27339
64289bf338da use separate variable for interrupting command editor event loop (bug #56738)
John W. Eaton <jwe@octave.org>
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189
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190 static bool event_loop_interrupted ();
27338
829d9efb7730 allow gui events to interrupt readline event processing (bug #56738)
John W. Eaton <jwe@octave.org>
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191
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192 static int current_command_number ();
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John W. Eaton <jwe@octave.org>
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193
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Rik <rik@octave.org>
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194 static void reset_current_command_number (int n);
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195
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196 static void increment_current_command_number ();
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197
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diff changeset
198 static void force_default_editor ();
2967
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199
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200 static void set_initial_input (const std::string& text);
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Jaroslav Hajek <highegg@gmail.com>
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201
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diff changeset
202 static int insert_initial_input ();
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203
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204 private:
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205
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diff changeset
206 static bool instance_ok ();
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207
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208 static void make_command_editor ();
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209
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diff changeset
210 static int startup_handler ();
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211
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diff changeset
212 static int pre_input_handler ();
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213
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214 static int event_handler ();
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215
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diff changeset
216 static void cleanup_instance ()
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217 {
aac27ad79be6 maint: Re-indent code after switch to using namespace macros.
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diff changeset
218 delete s_instance;
aac27ad79be6 maint: Re-indent code after switch to using namespace macros.
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219 s_instance = nullptr;
aac27ad79be6 maint: Re-indent code after switch to using namespace macros.
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220 }
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221
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diff changeset
222 static void handle_interrupt_signal ();
24520
c5c11b07598a refactor signal handling (bug #52757)
John W. Eaton <jwe@octave.org>
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223
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diff changeset
224 //--------
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225
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226 static command_editor *s_instance; // the real thing.
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227
31845
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Rik <rik@octave.org>
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diff changeset
228 static std::set<startup_hook_fcn> s_startup_hook_set;
2da025d5e98d maint: Use 's_' prefix for static private class variables.
Rik <rik@octave.org>
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diff changeset
229 static std::set<pre_input_hook_fcn> s_pre_input_hook_set;
2da025d5e98d maint: Use 's_' prefix for static private class variables.
Rik <rik@octave.org>
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diff changeset
230 static std::set<event_hook_fcn> s_event_hook_set;
30152
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231
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diff changeset
232 protected:
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233
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234 // To use something other than the GNU readline library, derive a new
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Rik <rik@octave.org>
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diff changeset
235 // class from command_editor, overload these functions as
aac27ad79be6 maint: Re-indent code after switch to using namespace macros.
Rik <rik@octave.org>
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diff changeset
236 // necessary, and make instance point to the new class.
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237
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238 virtual void do_set_name (const std::string&) { }
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239
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diff changeset
240 std::string do_readline (const std::string& prompt)
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Rik <rik@octave.org>
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diff changeset
241 {
aac27ad79be6 maint: Re-indent code after switch to using namespace macros.
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diff changeset
242 bool eof;
3219
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243
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244 return do_readline (prompt, eof);
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diff changeset
245 }
21748
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John W. Eaton <jwe@octave.org>
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246
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diff changeset
247 virtual std::string do_readline (const std::string&, bool&) = 0;
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248
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diff changeset
249 virtual void do_set_input_stream (FILE *) = 0;
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250
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diff changeset
251 virtual FILE * do_get_input_stream () = 0;
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252
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253 virtual void do_set_output_stream (FILE *) = 0;
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254
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diff changeset
255 virtual FILE * do_get_output_stream () = 0;
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256
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diff changeset
257 virtual void do_redisplay () { }
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258
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diff changeset
259 virtual int do_terminal_rows () { return m_rows; }
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260
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diff changeset
261 virtual int do_terminal_cols () { return m_cols; }
21748
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John W. Eaton <jwe@octave.org>
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262
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diff changeset
263 virtual void do_clear_screen (bool) { }
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264
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diff changeset
265 virtual void do_resize_terminal () { }
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266
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diff changeset
267 virtual void do_set_screen_size (int ht, int wd)
aac27ad79be6 maint: Re-indent code after switch to using namespace macros.
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268 {
aac27ad79be6 maint: Re-indent code after switch to using namespace macros.
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diff changeset
269 m_rows = ht;
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270 m_cols = wd;
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diff changeset
271 }
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272
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diff changeset
273 virtual std::string do_decode_prompt_string (const std::string&);
3281
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274
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diff changeset
275 virtual std::string newline_chars () { return "\n"; }
19309
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John W. Eaton <jwe@octave.org>
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276
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diff changeset
277 virtual void do_restore_terminal_state () { }
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278
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diff changeset
279 virtual void do_blink_matching_paren (bool) { }
2926
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280
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281 virtual bool do_erase_empty_line (bool) { return false; }
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282
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283 virtual void do_set_basic_word_break_characters (const std::string&) { }
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284
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285 virtual void do_set_completer_word_break_characters (const std::string&) { }
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286
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287 virtual void do_set_completer_word_break_hook (completion_hook_fcn) { }
21798
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Lachlan Andrew <lachlanbis@gmail.com>
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288
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289 virtual void do_set_basic_quote_characters (const std::string&) { }
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290
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291 virtual void do_set_filename_quote_characters (const std::string&) { }
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292
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293 virtual void do_set_completer_quote_characters (const std::string&) { }
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294
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295 virtual void do_set_completion_append_character (char) { }
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296
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297 virtual void do_set_completion_function (completion_fcn) { }
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298
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299 virtual void do_set_quoting_function (quoting_fcn) { }
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300
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301 virtual void do_set_dequoting_function (dequoting_fcn) { }
2941
b779a5b8aed4 [project @ 1997-05-08 02:14:34 by jwe]
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302
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303 virtual void do_set_char_is_quoted_function (char_is_quoted_fcn) { }
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304
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305 virtual void do_set_user_accept_line_function (user_accept_line_fcn) { }
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306
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307 virtual completion_fcn do_get_completion_function () const
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308 { return nullptr; }
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309
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310 virtual quoting_fcn do_get_quoting_function () const
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311 { return nullptr; }
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312
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313 virtual dequoting_fcn do_get_dequoting_function () const
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314 { return nullptr; }
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315
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316 virtual char_is_quoted_fcn do_get_char_is_quoted_function () const
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317 { return nullptr; }
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318
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319 virtual user_accept_line_fcn do_get_user_accept_line_function () const
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320 { return nullptr; }
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321
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322 virtual string_vector
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323 do_generate_filename_completions (const std::string& text) = 0;
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324
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325 virtual std::string do_get_line_buffer () const = 0;
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326
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327 virtual std::string do_get_current_line () const = 0;
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328
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329 virtual char do_get_prev_char (int) const = 0;
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Lachlan Andrew <lachlanbis@gmail.com>
parents: 21862
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330
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331 virtual void
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332 do_replace_line (const std::string& text, bool clear_undo) = 0;
4604
cba347c642e2 [project @ 2003-11-13 04:38:05 by jwe]
jwe
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333
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Rik <rik@octave.org>
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334 virtual void do_kill_full_line () = 0;
9485
3cee58bf4acf selectively complete filenames in some cases
John W. Eaton <jwe@octave.org>
parents: 9321
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335
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336 virtual void do_insert_text (const std::string& text) = 0;
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337
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338 virtual void do_newline () = 0;
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339
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Rik <rik@octave.org>
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340 virtual void do_accept_line () = 0;
19702
c048358da712 also kill pending input line when gui command window is cleared (bug #44015)
John W. Eaton <jwe@octave.org>
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341
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diff changeset
342 virtual bool do_undo () { return false; }
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343
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344 virtual void do_clear_undo_list () { }
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345
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346 virtual void set_startup_hook (startup_hook_fcn) { }
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347
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348 virtual void restore_startup_hook () { }
16539
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349
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350 virtual void set_pre_input_hook (pre_input_hook_fcn) { }
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351
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352 virtual void restore_pre_input_hook () { }
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353
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354 virtual void set_event_hook (event_hook_fcn) { }
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355
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356 virtual void restore_event_hook () { }
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357
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358 virtual void do_read_init_file (const std::string&) { }
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359
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360 virtual void do_re_read_init_file () { }
3215
bc3fdfe311a3 [project @ 1998-11-10 14:06:21 by jwe]
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361
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362 virtual bool do_filename_completion_desired (bool) { return false; }
3215
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jwe
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363
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364 virtual bool do_filename_quoting_desired (bool) { return false; }
3189
bef7b73c0724 [project @ 1998-10-16 18:05:26 by jwe]
jwe
parents: 3004
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365
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366 virtual bool do_prefer_env_winsize (bool) { return false; }
7758
8e14a01ffe9f input.cc (Fre_read_readline_init_file): new function
John W. Eaton <jwe@octave.org>
parents: 7017
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367
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368 virtual void do_interrupt (bool) { }
4143
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jwe
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369
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370 virtual void do_handle_interrupt_signal () { }
27339
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John W. Eaton <jwe@octave.org>
parents: 27338
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371
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diff changeset
372 void do_interrupt_event_loop (bool arg) { m_interrupt_event_loop = arg; }
27338
829d9efb7730 allow gui events to interrupt readline event processing (bug #56738)
John W. Eaton <jwe@octave.org>
parents: 27158
diff changeset
373
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Rik <rik@octave.org>
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diff changeset
374 bool do_event_loop_interrupted () const
31607
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Rik <rik@octave.org>
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375 { return m_interrupt_event_loop; }
24520
c5c11b07598a refactor signal handling (bug #52757)
John W. Eaton <jwe@octave.org>
parents: 23795
diff changeset
376
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Rik <rik@octave.org>
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diff changeset
377 int do_insert_initial_input ();
6979
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dbateman
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diff changeset
378
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Rik <rik@octave.org>
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diff changeset
379 int read_octal (const std::string& s);
19304
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John W. Eaton <jwe@octave.org>
parents: 17769
diff changeset
380
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Rik <rik@octave.org>
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diff changeset
381 void error (int);
16382
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John W. Eaton <jwe@octave.org>
parents: 15271
diff changeset
382
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Rik <rik@octave.org>
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diff changeset
383 void error (const std::string&);
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diff changeset
384
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Rik <rik@octave.org>
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diff changeset
385 // The current command number.
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Rik <rik@octave.org>
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diff changeset
386 int m_command_number;
2926
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387
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Rik <rik@octave.org>
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diff changeset
388 int m_rows;
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Rik <rik@octave.org>
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diff changeset
389 int m_cols;
27158
af1015a3d558 allow terminal rows and columns to be set when not using readline
John W. Eaton <jwe@octave.org>
parents: 26376
diff changeset
390
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Rik <rik@octave.org>
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diff changeset
391 bool m_interrupted;
2926
66ef74ee5d9f [project @ 1997-05-05 03:20:52 by jwe]
jwe
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392
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Rik <rik@octave.org>
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diff changeset
393 bool m_interrupt_event_loop;
27339
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John W. Eaton <jwe@octave.org>
parents: 27338
diff changeset
394
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diff changeset
395 std::string m_initial_input;
aac27ad79be6 maint: Re-indent code after switch to using namespace macros.
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diff changeset
396 };
31605
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Rik <rik@octave.org>
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diff changeset
397
e88a07dec498 maint: Use macros to begin/end C++ namespaces.
Rik <rik@octave.org>
parents: 30564
diff changeset
398 OCTAVE_END_NAMESPACE(octave)
16382
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John W. Eaton <jwe@octave.org>
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diff changeset
399
2926
66ef74ee5d9f [project @ 1997-05-05 03:20:52 by jwe]
jwe
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400 #endif