Mercurial > octave
annotate liboctave/util/cmd-edit.h @ 19309:735bc47d18af gui-release
command_editor: provide access to rl_set_screen_size
* cmd-edit.h, cmd-edit.cc (command_editor::set_screen_size,
command_editor::do_set_screen_size, gnu_readline::do_set_screen_size):
New functions.
* oct-rl-edit.h, oct-rl-edit.c (octave_rl_set_screen_size):
New function.
| author | John W. Eaton <jwe@octave.org> |
|---|---|
| date | Wed, 17 Sep 2014 16:28:41 -0400 |
| parents | ad93e9be78ee |
| children | 912158cf524d f7ccd02bc060 |
| rev | line source |
|---|---|
| 2926 | 1 /* |
| 2 | |
|
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3 Copyright (C) 1996-2013 John W. Eaton |
| 2926 | 4 |
| 5 This file is part of Octave. | |
| 6 | |
| 7 Octave is free software; you can redistribute it and/or modify it | |
| 8 under the terms of the GNU General Public License as published by the | |
| 7016 | 9 Free Software Foundation; either version 3 of the License, or (at your |
| 10 option) any later version. | |
| 2926 | 11 |
| 12 Octave is distributed in the hope that it will be useful, but WITHOUT | |
| 13 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or | |
| 14 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License | |
| 15 for more details. | |
| 16 | |
| 17 You should have received a copy of the GNU General Public License | |
| 7016 | 18 along with Octave; see the file COPYING. If not, see |
| 19 <http://www.gnu.org/licenses/>. | |
| 2926 | 20 |
| 21 */ | |
| 22 | |
| 23 #if !defined (octave_cmd_edit_h) | |
| 24 #define octave_cmd_edit_h 1 | |
| 25 | |
| 26 #include <cstdio> | |
| 27 | |
| 6913 | 28 #include <set> |
| 2926 | 29 #include <string> |
| 30 | |
| 4604 | 31 #include "str-vec.h" |
| 32 | |
| 2926 | 33 class |
| 6108 | 34 OCTAVE_API |
| 2926 | 35 command_editor |
| 36 { | |
| 37 protected: | |
| 38 | |
| 39 command_editor (void) | |
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40 : command_number (0), interrupted (false), initial_input () { } |
| 2926 | 41 |
| 42 public: | |
| 43 | |
| 4802 | 44 typedef int (*startup_hook_fcn) (void); |
| 3519 | 45 |
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46 typedef int (*pre_input_hook_fcn) (void); |
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47 |
| 4802 | 48 typedef int (*event_hook_fcn) (void); |
| 2926 | 49 |
| 3504 | 50 typedef std::string (*completion_fcn) (const std::string&, int); |
| 2941 | 51 |
| 6979 | 52 typedef std::string (*quoting_fcn) (const std::string&, int, char); |
| 53 | |
| 54 typedef std::string (*dequoting_fcn) (const std::string&, int); | |
| 55 | |
| 56 typedef int (*char_is_quoted_fcn) (const std::string&, int); | |
| 57 | |
| 58 typedef void (*user_accept_line_fcn) (const std::string&); | |
| 59 | |
| 2926 | 60 virtual ~command_editor (void) { } |
| 61 | |
| 3504 | 62 static void set_name (const std::string& n); |
| 2926 | 63 |
| 3504 | 64 static std::string readline (const std::string& prompt); |
| 2926 | 65 |
| 3504 | 66 static std::string readline (const std::string& prompt, bool& eof); |
| 3219 | 67 |
| 2926 | 68 static void set_input_stream (FILE *f); |
| 69 | |
| 70 static FILE *get_input_stream (void); | |
| 71 | |
| 72 static void set_output_stream (FILE *f); | |
| 73 | |
| 74 static FILE *get_output_stream (void); | |
| 75 | |
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76 static void redisplay (void); |
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77 |
| 2926 | 78 static int terminal_rows (void); |
| 79 | |
| 80 static int terminal_cols (void); | |
| 81 | |
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82 static void clear_screen (bool skip_redisplay = false); |
| 2926 | 83 |
| 3281 | 84 static void resize_terminal (void); |
| 85 | |
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86 static void set_screen_size (int ht, int wd); |
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87 |
| 3504 | 88 static std::string decode_prompt_string (const std::string& s); |
| 2926 | 89 |
| 90 static void restore_terminal_state (void); | |
| 91 | |
| 92 static void blink_matching_paren (bool flag); | |
| 93 | |
| 4055 | 94 static void set_basic_word_break_characters (const std::string& s); |
| 3933 | 95 |
| 4055 | 96 static void set_completer_word_break_characters (const std::string& s); |
| 3933 | 97 |
| 3504 | 98 static void set_basic_quote_characters (const std::string& s); |
| 2926 | 99 |
| 6979 | 100 static void set_filename_quote_characters (const std::string& s); |
| 101 | |
| 102 static void set_completer_quote_characters (const std::string& s); | |
| 103 | |
| 2926 | 104 static void set_completion_append_character (char c); |
| 105 | |
| 2941 | 106 static void set_completion_function (completion_fcn f); |
| 107 | |
| 6979 | 108 static void set_quoting_function (quoting_fcn f); |
| 109 | |
| 110 static void set_dequoting_function (dequoting_fcn f); | |
| 111 | |
| 112 static void set_char_is_quoted_function (char_is_quoted_fcn f); | |
| 113 | |
| 114 static void set_user_accept_line_function (user_accept_line_fcn f); | |
| 115 | |
| 2941 | 116 static completion_fcn get_completion_function (void); |
| 2926 | 117 |
| 6979 | 118 static quoting_fcn get_quoting_function (void); |
| 119 | |
| 120 static dequoting_fcn get_dequoting_function (void); | |
| 121 | |
| 122 static char_is_quoted_fcn get_char_is_quoted_function (void); | |
| 123 | |
| 124 static user_accept_line_fcn get_user_accept_line_function (void); | |
| 125 | |
| 4604 | 126 static string_vector generate_filename_completions (const std::string& text); |
| 127 | |
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128 static std::string get_line_buffer (void); |
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129 |
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130 static std::string get_current_line (void); |
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131 |
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132 static void replace_line (const std::string& text, bool clear_undo = true); |
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133 |
| 3504 | 134 static void insert_text (const std::string& text); |
| 2926 | 135 |
| 136 static void newline (void); | |
| 137 | |
| 6979 | 138 static void accept_line (void); |
| 139 | |
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140 static bool undo (void); |
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141 |
| 2926 | 142 static void clear_undo_list (void); |
| 143 | |
| 6913 | 144 static void add_startup_hook (startup_hook_fcn f); |
| 2926 | 145 |
| 6913 | 146 static void remove_startup_hook (startup_hook_fcn f); |
| 2926 | 147 |
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148 static void add_pre_input_hook (pre_input_hook_fcn f); |
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149 |
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150 static void remove_pre_input_hook (pre_input_hook_fcn f); |
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151 |
| 6913 | 152 static void add_event_hook (event_hook_fcn f); |
| 3215 | 153 |
| 6913 | 154 static void remove_event_hook (event_hook_fcn f); |
| 3215 | 155 |
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156 static void run_event_hooks (void); |
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157 |
| 3504 | 158 static void read_init_file (const std::string& file = std::string ()); |
| 3189 | 159 |
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160 static void re_read_init_file (void); |
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161 |
| 4143 | 162 static bool filename_completion_desired (bool); |
| 163 | |
| 6979 | 164 static bool filename_quoting_desired (bool); |
| 165 | |
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166 static bool prefer_env_winsize (bool); |
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167 |
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168 static bool interrupt (bool = true); |
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169 |
| 2926 | 170 static int current_command_number (void); |
| 171 | |
| 172 static void reset_current_command_number (int n); | |
| 173 | |
| 2967 | 174 static void increment_current_command_number (void); |
| 175 | |
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176 static void force_default_editor (void); |
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177 |
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178 static void set_initial_input (const std::string& text); |
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179 |
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180 static int insert_initial_input (void); |
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181 |
| 2926 | 182 private: |
| 183 | |
| 184 // No copying! | |
| 185 | |
| 186 command_editor (const command_editor&); | |
| 187 | |
| 188 command_editor& operator = (const command_editor&); | |
| 189 | |
| 190 static bool instance_ok (void); | |
| 191 | |
| 192 static void make_command_editor (void); | |
| 193 | |
| 6913 | 194 static int startup_handler (void); |
| 195 | |
|
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196 static int pre_input_handler (void); |
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197 |
| 6913 | 198 static int event_handler (void); |
| 199 | |
| 200 static std::set<startup_hook_fcn> startup_hook_set; | |
| 201 | |
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202 static std::set<pre_input_hook_fcn> pre_input_hook_set; |
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203 |
| 6913 | 204 static std::set<event_hook_fcn> event_hook_set; |
| 205 | |
| 206 typedef std::set<startup_hook_fcn>::iterator startup_hook_set_iterator; | |
| 207 typedef std::set<startup_hook_fcn>::const_iterator startup_hook_set_const_iterator; | |
| 208 | |
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209 typedef std::set<pre_input_hook_fcn>::iterator pre_input_hook_set_iterator; |
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210 typedef std::set<pre_input_hook_fcn>::const_iterator pre_input_hook_set_const_iterator; |
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211 |
| 6913 | 212 typedef std::set<event_hook_fcn>::iterator event_hook_set_iterator; |
| 213 typedef std::set<event_hook_fcn>::const_iterator event_hook_set_const_iterator; | |
| 214 | |
| 2926 | 215 // The real thing. |
| 216 static command_editor *instance; | |
| 217 | |
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218 static void cleanup_instance (void) { delete instance; instance = 0; } |
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219 |
| 2926 | 220 protected: |
| 221 | |
| 222 // To use something other than the GNU readline library, derive a new | |
| 223 // class from command_editor, overload these functions as | |
| 224 // necessary, and make instance point to the new class. | |
| 225 | |
| 3504 | 226 virtual void do_set_name (const std::string&) { } |
| 2926 | 227 |
| 3504 | 228 std::string do_readline (const std::string& prompt) |
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229 { |
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230 bool eof; |
| 3219 | 231 |
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232 return do_readline (prompt, eof); |
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233 } |
| 3219 | 234 |
| 3504 | 235 virtual std::string do_readline (const std::string&, bool&) = 0; |
| 2926 | 236 |
| 237 virtual void do_set_input_stream (FILE *) = 0; | |
| 238 | |
| 239 virtual FILE *do_get_input_stream (void) = 0; | |
| 240 | |
| 241 virtual void do_set_output_stream (FILE *) = 0; | |
| 242 | |
| 243 virtual FILE *do_get_output_stream (void) = 0; | |
| 244 | |
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245 virtual void do_redisplay (void) { } |
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246 |
| 2926 | 247 virtual int do_terminal_rows (void) { return 24; } |
| 248 | |
| 249 virtual int do_terminal_cols (void) { return 80; } | |
| 250 | |
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251 virtual void do_clear_screen (bool) { } |
| 2926 | 252 |
| 3281 | 253 virtual void do_resize_terminal (void) { } |
| 254 | |
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255 virtual void do_set_screen_size (int, int) { } |
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256 |
| 3504 | 257 virtual std::string do_decode_prompt_string (const std::string&); |
| 2926 | 258 |
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259 virtual std::string newline_chars (void) { return "\n"; } |
| 2926 | 260 |
| 261 virtual void do_restore_terminal_state (void) { } | |
| 262 | |
| 263 virtual void do_blink_matching_paren (bool) { } | |
| 264 | |
| 3933 | 265 virtual void do_set_basic_word_break_characters (const std::string&) { } |
| 266 | |
| 267 virtual void do_set_completer_word_break_characters (const std::string&) { } | |
| 268 | |
| 3504 | 269 virtual void do_set_basic_quote_characters (const std::string&) { } |
| 2926 | 270 |
| 6979 | 271 virtual void do_set_filename_quote_characters (const std::string&) { } |
| 272 | |
| 273 virtual void do_set_completer_quote_characters (const std::string&) { } | |
| 274 | |
| 2926 | 275 virtual void do_set_completion_append_character (char) { } |
| 276 | |
| 2941 | 277 virtual void do_set_completion_function (completion_fcn) { } |
| 278 | |
| 6979 | 279 virtual void do_set_quoting_function (quoting_fcn) { } |
| 280 | |
| 281 virtual void do_set_dequoting_function (dequoting_fcn) { } | |
| 282 | |
| 283 virtual void do_set_char_is_quoted_function (char_is_quoted_fcn) { } | |
| 284 | |
| 285 virtual void do_set_user_accept_line_function (user_accept_line_fcn) { } | |
| 286 | |
| 2941 | 287 virtual completion_fcn do_get_completion_function (void) const { return 0; } |
| 2926 | 288 |
| 6979 | 289 virtual quoting_fcn do_get_quoting_function (void) const { return 0; } |
| 290 | |
| 291 virtual dequoting_fcn do_get_dequoting_function (void) const { return 0; } | |
| 292 | |
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293 virtual char_is_quoted_fcn do_get_char_is_quoted_function (void) const |
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294 { return 0; } |
| 6979 | 295 |
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296 virtual user_accept_line_fcn do_get_user_accept_line_function (void) const |
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297 { return 0; } |
| 6979 | 298 |
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299 virtual string_vector |
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300 do_generate_filename_completions (const std::string& text) = 0; |
| 4604 | 301 |
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302 virtual std::string do_get_line_buffer (void) const = 0; |
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303 |
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304 virtual std::string do_get_current_line (void) const = 0; |
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305 |
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306 virtual void do_replace_line (const std::string& text, bool clear_undo) = 0; |
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307 |
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308 virtual void do_insert_text (const std::string& text) = 0; |
| 2926 | 309 |
| 310 virtual void do_newline (void) = 0; | |
| 311 | |
| 6979 | 312 virtual void do_accept_line (void) = 0; |
| 313 | |
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314 virtual bool do_undo (void) { return false; } |
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315 |
| 2926 | 316 virtual void do_clear_undo_list (void) { } |
| 317 | |
| 6913 | 318 virtual void set_startup_hook (startup_hook_fcn) { } |
| 2926 | 319 |
| 6913 | 320 virtual void restore_startup_hook (void) { } |
| 2926 | 321 |
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322 virtual void set_pre_input_hook (pre_input_hook_fcn) { } |
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323 |
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324 virtual void restore_pre_input_hook (void) { } |
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325 |
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326 virtual void set_event_hook (event_hook_fcn) { } |
| 3215 | 327 |
| 6913 | 328 virtual void restore_event_hook (void) { } |
| 3215 | 329 |
| 3504 | 330 virtual void do_read_init_file (const std::string&) { } |
| 3189 | 331 |
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332 virtual void do_re_read_init_file (void) { } |
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333 |
| 4143 | 334 virtual bool do_filename_completion_desired (bool) { return false; } |
| 335 | |
| 6979 | 336 virtual bool do_filename_quoting_desired (bool) { return false; } |
| 337 | |
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338 virtual bool do_prefer_env_winsize (bool) { return false; } |
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339 |
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340 virtual void do_interrupt (bool) { } |
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341 |
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342 int do_insert_initial_input (void); |
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343 |
| 3504 | 344 int read_octal (const std::string& s); |
| 2926 | 345 |
| 346 void error (int); | |
| 347 | |
| 3504 | 348 void error (const std::string&); |
| 2926 | 349 |
| 350 // The current command number. | |
| 351 int command_number; | |
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352 |
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353 bool interrupted; |
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354 |
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355 std::string initial_input; |
| 2926 | 356 }; |
| 357 | |
| 358 #endif |