├── LICENSE ├── README.md └── autocomplete-ALL-the-things /LICENSE: -------------------------------------------------------------------------------- 1 | GNU GENERAL PUBLIC LICENSE 2 | Version 3, 29 June 2007 3 | 4 | Copyright (C) 2007 Free Software Foundation, Inc. 5 | Everyone is permitted to copy and distribute verbatim copies 6 | of this license document, but changing it is not allowed. 7 | 8 | Preamble 9 | 10 | The GNU General Public License is a free, copyleft license for 11 | software and other kinds of works. 12 | 13 | The licenses for most software and other practical works are designed 14 | to take away your freedom to share and change the works. By contrast, 15 | the GNU General Public License is intended to guarantee your freedom to 16 | share and change all versions of a program--to make sure it remains free 17 | software for all its users. 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EXCEPT WHEN OTHERWISE STATED IN WRITING THE COPYRIGHT 593 | HOLDERS AND/OR OTHER PARTIES PROVIDE THE PROGRAM "AS IS" WITHOUT WARRANTY 594 | OF ANY KIND, EITHER EXPRESSED OR IMPLIED, INCLUDING, BUT NOT LIMITED TO, 595 | THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 596 | PURPOSE. THE ENTIRE RISK AS TO THE QUALITY AND PERFORMANCE OF THE PROGRAM 597 | IS WITH YOU. SHOULD THE PROGRAM PROVE DEFECTIVE, YOU ASSUME THE COST OF 598 | ALL NECESSARY SERVICING, REPAIR OR CORRECTION. 599 | 600 | 16. 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Interpretation of Sections 15 and 16. 613 | 614 | If the disclaimer of warranty and limitation of liability provided 615 | above cannot be given local legal effect according to their terms, 616 | reviewing courts shall apply local law that most closely approximates 617 | an absolute waiver of all civil liability in connection with the 618 | Program, unless a warranty or assumption of liability accompanies a 619 | copy of the Program in return for a fee. 620 | 621 | END OF TERMS AND CONDITIONS 622 | 623 | How to Apply These Terms to Your New Programs 624 | 625 | If you develop a new program, and you want it to be of the greatest 626 | possible use to the public, the best way to achieve this is to make it 627 | free software which everyone can redistribute and change under these terms. 628 | 629 | To do so, attach the following notices to the program. It is safest 630 | to attach them to the start of each source file to most effectively 631 | state the exclusion of warranty; and each file should have at least 632 | the "copyright" line and a pointer to where the full notice is found. 633 | 634 | 635 | Copyright (C) 2012-2017 Wojciech Siewierski 636 | 637 | This program is free software: you can redistribute it and/or modify 638 | it under the terms of the GNU General Public License as published by 639 | the Free Software Foundation, either version 3 of the License, or 640 | (at your option) any later version. 641 | 642 | This program is distributed in the hope that it will be useful, 643 | but WITHOUT ANY WARRANTY; without even the implied warranty of 644 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 645 | GNU General Public License for more details. 646 | 647 | You should have received a copy of the GNU General Public License 648 | along with this program. If not, see . 649 | 650 | Also add information on how to contact you by electronic and paper mail. 651 | 652 | If the program does terminal interaction, make it output a short 653 | notice like this when it starts in an interactive mode: 654 | 655 | autocomplete-ALL-the-things Copyright (C) 2012-2017 Wojciech Siewierski 656 | This program comes with ABSOLUTELY NO WARRANTY; for details type `show w'. 657 | This is free software, and you are welcome to redistribute it 658 | under certain conditions; type `show c' for details. 659 | 660 | The hypothetical commands `show w' and `show c' should show the appropriate 661 | parts of the General Public License. Of course, your program's commands 662 | might be different; for a GUI interface, you would use an "about box". 663 | 664 | You should also get your employer (if you work as a programmer) or school, 665 | if any, to sign a "copyright disclaimer" for the program, if necessary. 666 | For more information on this, and how to apply and follow the GNU GPL, see 667 | . 668 | 669 | The GNU General Public License does not permit incorporating your program 670 | into proprietary programs. If your program is a subroutine library, you 671 | may consider it more useful to permit linking proprietary applications with 672 | the library. If this is what you want to do, use the GNU Lesser General 673 | Public License instead of this License. But first, please read 674 | . 675 | -------------------------------------------------------------------------------- /README.md: -------------------------------------------------------------------------------- 1 | Name 2 | ==== 3 | 4 | autocomplete-ALL-the-things - an urxvt plugin allowing user to easily complete arbitrary text 5 | 6 | Installation 7 | ------------ 8 | 9 | Copy the `autocomplete-ALL-the-things` file to the urxvt perl-lib directory 10 | (default: `~/.urxvt/ext/`). 11 | 12 | Add the following lines to your `~/.Xresources` (or `~/.Xdefaults`): 13 | 14 | ``` 15 | URxvt.perl-ext-common: ...,autocomplete-ALL-the-things 16 | URxvt.keysym.M-C-slash: perl:aAtt:word-complete 17 | URxvt.keysym.M-question: perl:aAtt:fuzzy-complete 18 | URxvt.keysym.M-quotedbl: perl:aAtt:undo 19 | ``` 20 | 21 | Description 22 | ----------- 23 | 24 | Completes the currently typed word using the other words visible in the urxvt window. 25 | 26 | For example the terminal looks like this: 27 | 28 | ![Preview](https://cloud.githubusercontent.com/assets/674812/3480320/3bd2e726-035f-11e4-9e64-db599724c931.gif) 29 | 30 | It was strongly inspired by `dabbrev` feature in GNU Emacs and later by 31 | [skeleton-complete](https://github.com/baohaojun/skeleton-complete) by Bao 32 | Haojun. 33 | 34 | Basic usage 35 | ----------- 36 | 37 | Just press the key bound to `aAtt:complete` (in the example above: 38 | Alt-Ctrl-slash) to complete the word at point. Subsequent uses cycle through 39 | other possible completions. 40 | 41 | It is not recommended to bind the completion actions to the 42 | alphanumeric keys. The symbol keys should be preferred. 43 | See the issue #13. 44 | 45 | Key bound to `aAtt:undo` (Alt-Shift-quote) undoes the completion. 46 | Additionally, pressing `Escape` undoes the completion too regardless 47 | of this setting. 48 | 49 | Advanced usage 50 | -------------- 51 | 52 | For more advanced completions use `aAtt:fuzzy-word-complete` 53 | (Alt-Shift-slash) and `aAtt:skeleton-complete`. It's behavior is inspired by 54 | [skeleton-complete](https://github.com/baohaojun/skeleton-complete), please see 55 | [its readme](http://baohaojun.github.io/skeleton-complete.html) for a more 56 | detailed explanation. 57 | 58 | Available functions 59 | ------------------- 60 | 61 | * `aAtt:word-complete` -- classical prefix-based completion for words 62 | * `aAtt:WORD-complete` -- completion for WORDS (in the Vim meaning) 63 | * `aAtt:fuzzy-word-complete` -- fuzzy completion for words 64 | * `aAtt:fuzzy-WORD-complete` -- fuzzy completion for WORDS 65 | * `aAtt:fuzzy-complete` -- fuzzy completion for arbitrary strings 66 | * `aAtt:suffix-complete` -- fuzzy completion for suffixes, disrespecting 67 | prefixes of both completion and given strings 68 | * `aAtt:surround-complete` -- fuzzy completion for surrounded by quotes or 69 | braces strings, excluding surrounding. 70 | * `aAtt:undo` -- undo the completion (must be used right after a completion) 71 | 72 | Acknowledgments 73 | --------------- 74 | 75 | Thanks to Stanislav Seletskiy for various contributions. 76 | 77 | Thanks to Bao Haojun for the great idea of [skeleton-complete](https://github.com/baohaojun/skeleton-complete). 78 | 79 | Copyright 80 | --------- 81 | 82 | Copyright (C) 2012-2017 Wojciech Siewierski 83 | 84 | This program is free software: you can redistribute it and/or modify 85 | it under the terms of the GNU General Public License as published by 86 | the Free Software Foundation, either version 3 of the License, or 87 | (at your option) any later version. 88 | 89 | This program is distributed in the hope that it will be useful, 90 | but WITHOUT ANY WARRANTY; without even the implied warranty of 91 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 92 | GNU General Public License for more details. 93 | 94 | You should have received a copy of the GNU General Public License 95 | along with this program. If not, see . 96 | -------------------------------------------------------------------------------- /autocomplete-ALL-the-things: -------------------------------------------------------------------------------- 1 | #!/usr/bin/perl 2 | ######################################################################### 3 | # Copyright (C) 2012-2017 Wojciech Siewierski # 4 | # # 5 | # This program is free software: you can redistribute it and/or modify # 6 | # it under the terms of the GNU General Public License as published by # 7 | # the Free Software Foundation, either version 3 of the License, or # 8 | # (at your option) any later version. # 9 | # # 10 | # This program is distributed in the hope that it will be useful, # 11 | # but WITHOUT ANY WARRANTY; without even the implied warranty of # 12 | # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the # 13 | # GNU General Public License for more details. # 14 | # # 15 | # You should have received a copy of the GNU General Public License # 16 | # along with this program. If not, see . # 17 | ######################################################################### 18 | 19 | sub on_action { 20 | my ($self, $action) = @_; 21 | 22 | on_user_command($self, "aAtt:" . $action); 23 | } 24 | 25 | sub on_user_command { 26 | my ($self, $cmd) = @_; 27 | 28 | if ($cmd =~ '^aAtt:(.*)') { 29 | $cmd = $1; 30 | if ($cmd eq 'undo') { 31 | undo_completion($self); 32 | 33 | return 1; 34 | } 35 | 36 | 37 | # A reference to a function that transforms the completed word 38 | # into a regex matching the completions. Usually generated by 39 | # generate_matcher(). 40 | # 41 | # For example 42 | # $fun = generate_matcher(".*"); 43 | # $fun->("foo"); 44 | # would return "f.*o.*o" 45 | # 46 | # In other words, indirectly decides which characters can 47 | # appear in the completion. 48 | my $matcher; 49 | 50 | # A regular expression matching a character before each match. 51 | # For example, it you want to match the text after a 52 | # whitespace, set it to "\s". 53 | my $char_class_before; 54 | 55 | # A regular expression matching every character in the entered 56 | # text that will be used to find matching completions. Usually 57 | # "\w" or similar. 58 | my $char_class_to_complete; 59 | 60 | # A regular expression matching every allowed last character 61 | # of the completion (uses greedy matching). 62 | my $char_class_at_end; 63 | 64 | if ($cmd eq 'word-complete') { 65 | # Basic word completion. Completes the current word 66 | # without any special matching. 67 | $char_class_before = '[^-\w]'; 68 | $matcher = sub { quotemeta shift }; # identity 69 | $char_class_at_end = '[-\w]'; 70 | $char_class_to_complete = '[-\w]'; 71 | } elsif ($cmd eq 'WORD-complete') { 72 | # The same as above but in the Vim meaning of a "WORD" -- 73 | # whitespace delimited. 74 | $char_class_before = '\s'; 75 | $matcher = sub { quotemeta shift }; 76 | $char_class_at_end = '\S'; 77 | $char_class_to_complete = '\S'; 78 | } elsif ($cmd eq 'fuzzy-word-complete' || 79 | $cmd eq 'skeleton-word-complete') { 80 | # Fuzzy completion of the current word. 81 | $char_class_before = '[^-\w]'; 82 | $matcher = generate_matcher('[-\w]*'); 83 | $char_class_at_end = '[-\w]'; 84 | $char_class_to_complete = '[-\w]'; 85 | } elsif ($cmd eq 'fuzzy-WORD-complete') { 86 | # Fuzzy completion of the current WORD. 87 | $char_class_before = '\s'; 88 | $matcher = generate_matcher('\S*'); 89 | $char_class_at_end = '\S'; 90 | $char_class_to_complete = '\S'; 91 | } elsif ($cmd eq 'fuzzy-complete' || 92 | $cmd eq 'skeleton-complete') { 93 | # Fuzzy completion of an arbitrary text. 94 | $char_class_before = '\W'; 95 | $matcher = generate_matcher('.*?'); 96 | $char_class_at_end = '\w'; 97 | $char_class_to_complete = '\S'; 98 | } elsif ($cmd eq 'suffix-complete') { 99 | # Fuzzy completion of an completing suffixes, like 100 | # completing test=hello from /blah/hello. 101 | $char_class_before = '\S'; 102 | $matcher = generate_matcher('\S*'); 103 | $char_class_at_end = '\S'; 104 | $char_class_to_complete = '\S'; 105 | } elsif ($cmd eq 'surround-complete') { 106 | # Completing contents of quotes and braces. 107 | 108 | # Here we are using three named groups: s, b, p for quotes, braces 109 | # and parenthesis. 110 | $char_class_before = '((?["\'`])|(?\[)|(?

\())'; 111 | 112 | $matcher = generate_matcher('.*?'); 113 | 114 | # Here we match text till enclosing pair, using perl conditionals in 115 | # regexps (?(condition)yes-expression|no-expression). 116 | # \0 is used to hack concatenation with '*' later in the code. 117 | $char_class_at_end = '.*?(.(?=(?()\]|((?(

)\)|\g{q})))))\0'; 118 | $char_class_to_complete = '\S'; 119 | } 120 | 121 | 122 | my ($row, $col) = $self->screen_cur(); # get cursor coordinates 123 | 124 | # use the last used word or read the word behind the cursor 125 | my $word_to_complete = $self->{last_word} // 126 | read_word_at_coord($self, $row, $col, 127 | $char_class_to_complete); 128 | 129 | if ($word_to_complete) { 130 | # ignore the completed word itself 131 | $self->{already_completed}{$word_to_complete} = 1; 132 | 133 | # continue the last search or start from the current row 134 | my $completion = find_match($self, 135 | $word_to_complete, 136 | $self->{next_row} // $row, 137 | $matcher->($word_to_complete), 138 | $char_class_before, 139 | $char_class_at_end); 140 | if ($completion) { 141 | # save the last completed word unless continuing the last search 142 | $self->{last_word} //= $word_to_complete; 143 | 144 | replace_text($self, 145 | $self->{last_completion} // $word_to_complete, 146 | $completion); 147 | $self->{last_completion} = $completion; 148 | 149 | highlight_match($self, 150 | $self->{next_row}+1, 151 | $completion); 152 | } 153 | } 154 | return 1; 155 | } 156 | 157 | leave($self); 158 | 159 | () 160 | } 161 | 162 | ###################################################################### 163 | 164 | sub conditional_leave { 165 | my ($self, $event, $keysym) = @_; 166 | 167 | my $keyname = $self->XKeysymToString($keysym); 168 | $_ = $keyname; 169 | 170 | if ($keyname eq "Escape") { 171 | undo_completion($self); 172 | $self->disable("key_press"); 173 | return 1; 174 | } 175 | 176 | my $ShiftMask = (1<<0); 177 | my $ControlMask = (1<<2); 178 | my $Mod1Mask = (1<<3); 179 | my $Mod4Mask = (1<<6); 180 | my $Mod5Mask = (1<<7); 181 | 182 | my $modifier_mask = $ControlMask 183 | | $Mod1Mask # Alt 184 | | $Mod5Mask # AltGr 185 | | $Mod4Mask; # Super 186 | 187 | # Stop the completion mode only when either a alphanumeric key is 188 | # pressed (regardless of any modifiers) or a printable key is 189 | # pressed without any modifiers. It is needed because the 190 | # key_press hooks are processed before the user_command hooks and 191 | # stopping on every printable character would break the completion 192 | # chaining. For this to work, the actions must be bound to the 193 | # symbol characters with some modifiers (for example 194 | # Ctrl+Alt+slash). 195 | if (/^\w$/ || 196 | (!($event->{state} & $modifier_mask) && 197 | ($keysym <= 127 || 198 | $keyname eq "Return" || 199 | $keyname eq "BackSpace" || 200 | $keyname eq "Delete" || 201 | $keyname eq "Tab" || 202 | $keyname eq "Up" || 203 | $keyname eq "Down" || 204 | $keyname eq "Left" || 205 | $keyname eq "Right"))) { 206 | 207 | leave($self); 208 | $self->disable("key_press"); 209 | } 210 | 211 | () 212 | } 213 | 214 | ###################################################################### 215 | 216 | sub highlight_match { 217 | my ($self, $linenum, $completion) = @_; 218 | 219 | clear_highlight($self); 220 | 221 | my $line = $self->line($linenum); 222 | my $re = quotemeta $completion; 223 | 224 | $line->t =~ /$re/; 225 | 226 | my ($beg_row, $beg_col) = $line->coord_of($-[0]); 227 | my ($end_row, $end_col) = $line->coord_of($+[0]); 228 | 229 | $self->enable(refresh_begin => sub { 230 | if (exists $self->{highlight}) { 231 | clear_highlight($self); 232 | } 233 | $self->{highlight} = [$beg_row, $beg_col, $end_row, $end_col]; 234 | $self->scr_xor_span(@{$self->{highlight}}, urxvt::RS_RVid); 235 | $self->{pty_ev_events} = $self->pty_ev_events(urxvt::EV_NONE); 236 | }, 237 | key_press => \&conditional_leave); 238 | } 239 | 240 | ###################################################################### 241 | 242 | sub clear_highlight { 243 | my $self = shift; 244 | 245 | if (exists $self->{highlight}) { 246 | $self->scr_xor_span(@{$self->{highlight}}, urxvt::RS_RVid); 247 | $self->pty_ev_events($self->{pty_ev_events}); 248 | delete $self->{pty_ev_events}; 249 | 250 | delete $self->{highlight}; 251 | $self->disable("refresh_begin"); 252 | } 253 | () 254 | } 255 | 256 | ###################################################################### 257 | 258 | sub replace_text { 259 | my ($self, $current_text, $replacement) = @_; 260 | 261 | # "press" backspace to erase the text; probably not portable 262 | $self->tt_write($self->locale_encode(chr(0x7F) x length $current_text)); 263 | 264 | # print out the replacement 265 | $self->tt_write($self->locale_encode($replacement)); 266 | } 267 | 268 | ###################################################################### 269 | 270 | sub read_word_at_coord { 271 | my ($self, $row, $col, $char_class) = @_; 272 | 273 | $_ = substr($self->ROW_t($row), 0, $col); # get the current line up to the cursor... 274 | s/.*?($char_class*)$/$1/; # ...and read the last word from it 275 | return $_; 276 | } 277 | 278 | ###################################################################### 279 | 280 | # Returns a function that takes a string and returns that string with 281 | # this function's argument inserted between its every two characters. 282 | # The resulting string is used as a regular expression matching the 283 | # completion candidates. 284 | sub generate_matcher { 285 | my $regex_between = shift; 286 | 287 | sub { 288 | $_ = shift; 289 | 290 | # sorry for this lispy code, I couldn't resist ;) 291 | (join "$regex_between", 292 | (map quotemeta, 293 | (split //))) 294 | } 295 | } 296 | 297 | ###################################################################### 298 | 299 | # Checks whether the completion found by find_match() was already 300 | # found and if it was, calls find_match() again to find the next 301 | # completion. 302 | # 303 | # Takes all the arguments that find_match() would take, to make a 304 | # mutually recursive call. 305 | sub skip_duplicates { 306 | my $self = $_[0]; 307 | my $completion = shift @{$self->{matches_in_row}}; # get the rightmost one 308 | 309 | # check for duplicates 310 | if (exists $self->{already_completed}{$completion}) { 311 | # skip this completion 312 | return find_match(@_); 313 | } else { 314 | $self->{already_completed}{$completion} = 1; 315 | return $completion; 316 | } 317 | } 318 | 319 | ###################################################################### 320 | 321 | # Finds the next matching completion in the row current row or above 322 | # while skipping duplicates using skip_duplicates(). 323 | sub find_match { 324 | my ($self, $word_to_match, $current_row, $regexp, $char_class_before, $char_class_at_end) = @_; 325 | $self->{matches_in_row} //= []; 326 | 327 | # cycle through all the matches in the current row if not starting a new search 328 | if (@{$self->{matches_in_row}}) { 329 | return skip_duplicates($self, $word_to_match, $current_row, $regexp, $char_class_before, $char_class_at_end); 330 | } 331 | 332 | 333 | my $i; 334 | # search through all the rows starting with current one or one above the last checked 335 | for ($i = $current_row; $i >= 0; --$i) { 336 | my $line = $self->line($i)->t; # get the line of text from the row 337 | 338 | my ($cursor_row, $cursor_column) = $self->screen_cur(); 339 | if ($i == $cursor_row) { 340 | $line = substr $line, 0, $cursor_column; 341 | } 342 | 343 | $_ = $line; 344 | 345 | # find all the matches in the current line 346 | my $match; 347 | push @{$self->{matches_in_row}}, $+{match} while ($_, $match) = / 348 | (.*${char_class_before}) 349 | (? 350 | ${regexp} 351 | ${char_class_at_end}* 352 | ) 353 | /ix; 354 | # corner case: match at the very beginning of line 355 | push @{$self->{matches_in_row}}, $+{match} if $line =~ /^(${char_class_before}){0}(?$regexp$char_class_at_end*)/i; 356 | 357 | if (@{$self->{matches_in_row}}) { 358 | # remember which row should be searched next 359 | $self->{next_row} = --$i; 360 | 361 | # arguments needed for find_match() mutual recursion 362 | return skip_duplicates($self, $word_to_match, $i, $regexp, $char_class_before, $char_class_at_end); 363 | } 364 | } 365 | 366 | # no more possible completions, revert to the original word 367 | undo_completion($self) if $i < 0; 368 | 369 | return undef; 370 | } 371 | 372 | ###################################################################### 373 | 374 | sub leave { 375 | my ($self) = @_; 376 | 377 | delete $self->{last_word}; 378 | delete $self->{last_completion}; 379 | delete $self->{next_row}; 380 | delete $self->{matches_in_row}; 381 | delete $self->{already_completed}; 382 | clear_highlight($self); 383 | } 384 | 385 | ###################################################################### 386 | 387 | sub undo_completion { 388 | my ($self) = @_; 389 | 390 | replace_text($self, $self->{last_completion}, $self->{last_word}); 391 | leave($self); 392 | } 393 | --------------------------------------------------------------------------------