1 /* vi:set ts=8 sts=4 sw=4: 2 * 3 * VIM - Vi IMproved by Bram Moolenaar 4 * 5 * Do ":help uganda" in Vim to read copying and usage conditions. 6 * Do ":help credits" in Vim to see a list of people who contributed. 7 * See README.txt for an overview of the Vim source code. 8 */ 9 10 /* 11 * edit.c: functions for Insert mode 12 */ 13 14 #include "vim.h" 15 16 #ifdef FEAT_INS_EXPAND 17 /* 18 * definitions used for CTRL-X submode 19 */ 20 #define CTRL_X_WANT_IDENT 0x100 21 22 #define CTRL_X_NOT_DEFINED_YET 1 23 #define CTRL_X_SCROLL 2 24 #define CTRL_X_WHOLE_LINE 3 25 #define CTRL_X_FILES 4 26 #define CTRL_X_TAGS (5 + CTRL_X_WANT_IDENT) 27 #define CTRL_X_PATH_PATTERNS (6 + CTRL_X_WANT_IDENT) 28 #define CTRL_X_PATH_DEFINES (7 + CTRL_X_WANT_IDENT) 29 #define CTRL_X_FINISHED 8 30 #define CTRL_X_DICTIONARY (9 + CTRL_X_WANT_IDENT) 31 #define CTRL_X_THESAURUS (10 + CTRL_X_WANT_IDENT) 32 #define CTRL_X_CMDLINE 11 33 #define CTRL_X_FUNCTION 12 34 #define CTRL_X_OCCULT 13 35 #define CTRL_X_SPELL 14 36 #define CTRL_X_LOCAL_MSG 15 /* only used in "ctrl_x_msgs" */ 37 38 #define CTRL_X_MSG(i) ctrl_x_msgs[(i) & ~CTRL_X_WANT_IDENT] 39 40 static char *ctrl_x_msgs[] = 41 { 42 N_(" Keyword completion (^N^P)"), /* ctrl_x_mode == 0, ^P/^N compl. */ 43 N_(" ^X mode (^]^D^E^F^I^K^L^N^O^P^S^U^V^Y)"), 44 NULL, 45 N_(" Whole line completion (^L^N^P)"), 46 N_(" File name completion (^F^N^P)"), 47 N_(" Tag completion (^]^N^P)"), 48 N_(" Path pattern completion (^N^P)"), 49 N_(" Definition completion (^D^N^P)"), 50 NULL, 51 N_(" Dictionary completion (^K^N^P)"), 52 N_(" Thesaurus completion (^T^N^P)"), 53 N_(" Command-line completion (^V^N^P)"), 54 N_(" User defined completion (^U^N^P)"), 55 N_(" Occult completion (^O^N^P)"), 56 N_(" Spelling suggestion (^S^N^P)"), 57 N_(" Keyword Local completion (^N^P)"), 58 }; 59 60 static char_u e_hitend[] = N_("Hit end of paragraph"); 61 62 /* 63 * Structure used to store one match for insert completion. 64 */ 65 typedef struct Completion compl_T; 66 struct Completion 67 { 68 compl_T *cp_next; 69 compl_T *cp_prev; 70 char_u *cp_str; /* matched text */ 71 char_u *cp_fname; /* file containing the match */ 72 int cp_flags; /* ORIGINAL_TEXT, CONT_S_IPOS or FREE_FNAME */ 73 int cp_number; /* sequence number */ 74 }; 75 76 #define ORIGINAL_TEXT (1) /* the original text when the expansion begun */ 77 #define FREE_FNAME (2) 78 79 /* 80 * All the current matches are stored in a list. 81 * "compl_first_match" points to the start of the list. 82 * "compl_curr_match" points to the currently selected entry. 83 * "compl_shown_match" is different from compl_curr_match during 84 * ins_compl_get_exp(). 85 */ 86 static compl_T *compl_first_match = NULL; 87 static compl_T *compl_curr_match = NULL; 88 static compl_T *compl_shown_match = NULL; 89 90 /* When the first completion is done "compl_started" is set. When it's 91 * FALSE the word to be completed must be located. */ 92 static int compl_started = FALSE; 93 94 static int compl_matches = 0; 95 static char_u *compl_pattern = NULL; 96 static int compl_direction = FORWARD; 97 static int compl_shows_dir = FORWARD; 98 static int compl_pending = FALSE; 99 static pos_T compl_startpos; 100 static colnr_T compl_col = 0; /* column where the text starts 101 * that is being completed */ 102 static int save_sm = -1; 103 static char_u *compl_orig_text = NULL; /* text as it was before 104 * completion started */ 105 static int compl_cont_mode = 0; 106 static expand_T compl_xp; 107 108 static void ins_ctrl_x __ARGS((void)); 109 static int has_compl_option __ARGS((int dict_opt)); 110 static void ins_compl_add_matches __ARGS((int num_matches, char_u **matches, int dir)); 111 static int ins_compl_make_cyclic __ARGS((void)); 112 static void ins_compl_dictionaries __ARGS((char_u *dict, char_u *pat, int dir, int flags, int thesaurus)); 113 static void ins_compl_free __ARGS((void)); 114 static void ins_compl_clear __ARGS((void)); 115 static void ins_compl_prep __ARGS((int c)); 116 static buf_T *ins_compl_next_buf __ARGS((buf_T *buf, int flag)); 117 static int ins_compl_get_exp __ARGS((pos_T *ini, int dir)); 118 static void ins_compl_delete __ARGS((void)); 119 static void ins_compl_insert __ARGS((void)); 120 static int ins_compl_next __ARGS((int allow_get_expansion)); 121 static int ins_complete __ARGS((int c)); 122 static int quote_meta __ARGS((char_u *dest, char_u *str, int len)); 123 #endif /* FEAT_INS_EXPAND */ 124 125 #define BACKSPACE_CHAR 1 126 #define BACKSPACE_WORD 2 127 #define BACKSPACE_WORD_NOT_SPACE 3 128 #define BACKSPACE_LINE 4 129 130 static void ins_redraw __ARGS((void)); 131 static void ins_ctrl_v __ARGS((void)); 132 static void undisplay_dollar __ARGS((void)); 133 static void insert_special __ARGS((int, int, int)); 134 static void check_auto_format __ARGS((int)); 135 static void redo_literal __ARGS((int c)); 136 static void start_arrow __ARGS((pos_T *end_insert_pos)); 137 #ifdef FEAT_SYN_HL 138 static void check_spell_redraw __ARGS((void)); 139 static void spell_back_to_badword __ARGS((void)); 140 static int spell_bad_len = 0; /* length of located bad word */ 141 #endif 142 static void stop_insert __ARGS((pos_T *end_insert_pos, int esc)); 143 static int echeck_abbr __ARGS((int)); 144 static void replace_push_off __ARGS((int c)); 145 static int replace_pop __ARGS((void)); 146 static void replace_join __ARGS((int off)); 147 static void replace_pop_ins __ARGS((void)); 148 #ifdef FEAT_MBYTE 149 static void mb_replace_pop_ins __ARGS((int cc)); 150 #endif 151 static void replace_flush __ARGS((void)); 152 static void replace_do_bs __ARGS((void)); 153 #ifdef FEAT_CINDENT 154 static int cindent_on __ARGS((void)); 155 #endif 156 static void ins_reg __ARGS((void)); 157 static void ins_ctrl_g __ARGS((void)); 158 static void ins_ctrl_hat __ARGS((void)); 159 static int ins_esc __ARGS((long *count, int cmdchar, int nomove)); 160 #ifdef FEAT_RIGHTLEFT 161 static void ins_ctrl_ __ARGS((void)); 162 #endif 163 #ifdef FEAT_VISUAL 164 static int ins_start_select __ARGS((int c)); 165 #endif 166 static void ins_insert __ARGS((int replaceState)); 167 static void ins_ctrl_o __ARGS((void)); 168 static void ins_shift __ARGS((int c, int lastc)); 169 static void ins_del __ARGS((void)); 170 static int ins_bs __ARGS((int c, int mode, int *inserted_space_p)); 171 #ifdef FEAT_MOUSE 172 static void ins_mouse __ARGS((int c)); 173 static void ins_mousescroll __ARGS((int up)); 174 #endif 175 static void ins_left __ARGS((void)); 176 static void ins_home __ARGS((int c)); 177 static void ins_end __ARGS((int c)); 178 static void ins_s_left __ARGS((void)); 179 static void ins_right __ARGS((void)); 180 static void ins_s_right __ARGS((void)); 181 static void ins_up __ARGS((int startcol)); 182 static void ins_pageup __ARGS((void)); 183 static void ins_down __ARGS((int startcol)); 184 static void ins_pagedown __ARGS((void)); 185 #ifdef FEAT_DND 186 static void ins_drop __ARGS((void)); 187 #endif 188 static int ins_tab __ARGS((void)); 189 static int ins_eol __ARGS((int c)); 190 #ifdef FEAT_DIGRAPHS 191 static int ins_digraph __ARGS((void)); 192 #endif 193 static int ins_copychar __ARGS((linenr_T lnum)); 194 static int ins_ctrl_ey __ARGS((int tc)); 195 #ifdef FEAT_SMARTINDENT 196 static void ins_try_si __ARGS((int c)); 197 #endif 198 static colnr_T get_nolist_virtcol __ARGS((void)); 199 200 static colnr_T Insstart_textlen; /* length of line when insert started */ 201 static colnr_T Insstart_blank_vcol; /* vcol for first inserted blank */ 202 203 static char_u *last_insert = NULL; /* the text of the previous insert, 204 K_SPECIAL and CSI are escaped */ 205 static int last_insert_skip; /* nr of chars in front of previous insert */ 206 static int new_insert_skip; /* nr of chars in front of current insert */ 207 208 #ifdef FEAT_CINDENT 209 static int can_cindent; /* may do cindenting on this line */ 210 #endif 211 212 static int old_indent = 0; /* for ^^D command in insert mode */ 213 214 #ifdef FEAT_RIGHTLEFT 215 static int revins_on; /* reverse insert mode on */ 216 static int revins_chars; /* how much to skip after edit */ 217 static int revins_legal; /* was the last char 'legal'? */ 218 static int revins_scol; /* start column of revins session */ 219 #endif 220 221 #if defined(FEAT_MBYTE) && defined(MACOS_CLASSIC) 222 static short previous_script = smRoman; 223 #endif 224 225 static int ins_need_undo; /* call u_save() before inserting a 226 char. Set when edit() is called. 227 after that arrow_used is used. */ 228 229 static int did_add_space = FALSE; /* auto_format() added an extra space 230 under the cursor */ 231 232 /* 233 * edit(): Start inserting text. 234 * 235 * "cmdchar" can be: 236 * 'i' normal insert command 237 * 'a' normal append command 238 * 'R' replace command 239 * 'r' "r<CR>" command: insert one <CR>. Note: count can be > 1, for redo, 240 * but still only one <CR> is inserted. The <Esc> is not used for redo. 241 * 'g' "gI" command. 242 * 'V' "gR" command for Virtual Replace mode. 243 * 'v' "gr" command for single character Virtual Replace mode. 244 * 245 * This function is not called recursively. For CTRL-O commands, it returns 246 * and lets the caller handle the Normal-mode command. 247 * 248 * Return TRUE if a CTRL-O command caused the return (insert mode pending). 249 */ 250 int 251 edit(cmdchar, startln, count) 252 int cmdchar; 253 int startln; /* if set, insert at start of line */ 254 long count; 255 { 256 int c = 0; 257 char_u *ptr; 258 int lastc; 259 colnr_T mincol; 260 static linenr_T o_lnum = 0; 261 int i; 262 int did_backspace = TRUE; /* previous char was backspace */ 263 #ifdef FEAT_CINDENT 264 int line_is_white = FALSE; /* line is empty before insert */ 265 #endif 266 linenr_T old_topline = 0; /* topline before insertion */ 267 #ifdef FEAT_DIFF 268 int old_topfill = -1; 269 #endif 270 int inserted_space = FALSE; /* just inserted a space */ 271 int replaceState = REPLACE; 272 int did_restart_edit = restart_edit; 273 int nomove = FALSE; /* don't move cursor on return */ 274 275 /* sleep before redrawing, needed for "CTRL-O :" that results in an 276 * error message */ 277 check_for_delay(TRUE); 278 279 #ifdef HAVE_SANDBOX 280 /* Don't allow inserting in the sandbox. */ 281 if (sandbox != 0) 282 { 283 EMSG(_(e_sandbox)); 284 return FALSE; 285 } 286 #endif 287 288 #ifdef FEAT_INS_EXPAND 289 ins_compl_clear(); /* clear stuff for CTRL-X mode */ 290 #endif 291 292 #ifdef FEAT_AUTOCMD 293 /* 294 * Trigger InsertEnter autocommands. Do not do this for "r<CR>" or "grx". 295 */ 296 if (cmdchar != 'r' && cmdchar != 'v') 297 { 298 if (cmdchar == 'R') 299 ptr = (char_u *)"r"; 300 else if (cmdchar == 'V') 301 ptr = (char_u *)"v"; 302 else 303 ptr = (char_u *)"i"; 304 set_vim_var_string(VV_INSERTMODE, ptr, 1); 305 apply_autocmds(EVENT_INSERTENTER, NULL, NULL, FALSE, curbuf); 306 } 307 #endif 308 309 #ifdef FEAT_MOUSE 310 /* 311 * When doing a paste with the middle mouse button, Insstart is set to 312 * where the paste started. 313 */ 314 if (where_paste_started.lnum != 0) 315 Insstart = where_paste_started; 316 else 317 #endif 318 { 319 Insstart = curwin->w_cursor; 320 if (startln) 321 Insstart.col = 0; 322 } 323 Insstart_textlen = linetabsize(ml_get_curline()); 324 Insstart_blank_vcol = MAXCOL; 325 if (!did_ai) 326 ai_col = 0; 327 328 if (cmdchar != NUL && restart_edit == 0) 329 { 330 ResetRedobuff(); 331 AppendNumberToRedobuff(count); 332 #ifdef FEAT_VREPLACE 333 if (cmdchar == 'V' || cmdchar == 'v') 334 { 335 /* "gR" or "gr" command */ 336 AppendCharToRedobuff('g'); 337 AppendCharToRedobuff((cmdchar == 'v') ? 'r' : 'R'); 338 } 339 else 340 #endif 341 { 342 AppendCharToRedobuff(cmdchar); 343 if (cmdchar == 'g') /* "gI" command */ 344 AppendCharToRedobuff('I'); 345 else if (cmdchar == 'r') /* "r<CR>" command */ 346 count = 1; /* insert only one <CR> */ 347 } 348 } 349 350 if (cmdchar == 'R') 351 { 352 #ifdef FEAT_FKMAP 353 if (p_fkmap && p_ri) 354 { 355 beep_flush(); 356 EMSG(farsi_text_3); /* encoded in Farsi */ 357 State = INSERT; 358 } 359 else 360 #endif 361 State = REPLACE; 362 } 363 #ifdef FEAT_VREPLACE 364 else if (cmdchar == 'V' || cmdchar == 'v') 365 { 366 State = VREPLACE; 367 replaceState = VREPLACE; 368 orig_line_count = curbuf->b_ml.ml_line_count; 369 vr_lines_changed = 1; 370 } 371 #endif 372 else 373 State = INSERT; 374 375 stop_insert_mode = FALSE; 376 377 /* 378 * Need to recompute the cursor position, it might move when the cursor is 379 * on a TAB or special character. 380 */ 381 curs_columns(TRUE); 382 383 /* 384 * Enable langmap or IME, indicated by 'iminsert'. 385 * Note that IME may enabled/disabled without us noticing here, thus the 386 * 'iminsert' value may not reflect what is actually used. It is updated 387 * when hitting <Esc>. 388 */ 389 if (curbuf->b_p_iminsert == B_IMODE_LMAP) 390 State |= LANGMAP; 391 #ifdef USE_IM_CONTROL 392 im_set_active(curbuf->b_p_iminsert == B_IMODE_IM); 393 #endif 394 395 #if defined(FEAT_MBYTE) && defined(MACOS_CLASSIC) 396 KeyScript(previous_script); 397 #endif 398 399 #ifdef FEAT_MOUSE 400 setmouse(); 401 #endif 402 #ifdef FEAT_CMDL_INFO 403 clear_showcmd(); 404 #endif 405 #ifdef FEAT_RIGHTLEFT 406 /* there is no reverse replace mode */ 407 revins_on = (State == INSERT && p_ri); 408 if (revins_on) 409 undisplay_dollar(); 410 revins_chars = 0; 411 revins_legal = 0; 412 revins_scol = -1; 413 #endif 414 415 /* 416 * Handle restarting Insert mode. 417 * Don't do this for "CTRL-O ." (repeat an insert): we get here with 418 * restart_edit non-zero, and something in the stuff buffer. 419 */ 420 if (restart_edit != 0 && stuff_empty()) 421 { 422 #ifdef FEAT_MOUSE 423 /* 424 * After a paste we consider text typed to be part of the insert for 425 * the pasted text. You can backspace over the pasted text too. 426 */ 427 if (where_paste_started.lnum) 428 arrow_used = FALSE; 429 else 430 #endif 431 arrow_used = TRUE; 432 restart_edit = 0; 433 434 /* 435 * If the cursor was after the end-of-line before the CTRL-O and it is 436 * now at the end-of-line, put it after the end-of-line (this is not 437 * correct in very rare cases). 438 * Also do this if curswant is greater than the current virtual 439 * column. Eg after "^O$" or "^O80|". 440 */ 441 validate_virtcol(); 442 update_curswant(); 443 if (((ins_at_eol && curwin->w_cursor.lnum == o_lnum) 444 || curwin->w_curswant > curwin->w_virtcol) 445 && *(ptr = ml_get_curline() + curwin->w_cursor.col) != NUL) 446 { 447 if (ptr[1] == NUL) 448 ++curwin->w_cursor.col; 449 #ifdef FEAT_MBYTE 450 else if (has_mbyte) 451 { 452 i = (*mb_ptr2len)(ptr); 453 if (ptr[i] == NUL) 454 curwin->w_cursor.col += i; 455 } 456 #endif 457 } 458 ins_at_eol = FALSE; 459 } 460 else 461 arrow_used = FALSE; 462 463 /* we are in insert mode now, don't need to start it anymore */ 464 need_start_insertmode = FALSE; 465 466 /* Need to save the line for undo before inserting the first char. */ 467 ins_need_undo = TRUE; 468 469 #ifdef FEAT_MOUSE 470 where_paste_started.lnum = 0; 471 #endif 472 #ifdef FEAT_CINDENT 473 can_cindent = TRUE; 474 #endif 475 #ifdef FEAT_FOLDING 476 /* The cursor line is not in a closed fold, unless 'insertmode' is set or 477 * restarting. */ 478 if (!p_im && did_restart_edit == 0) 479 foldOpenCursor(); 480 #endif 481 482 /* 483 * If 'showmode' is set, show the current (insert/replace/..) mode. 484 * A warning message for changing a readonly file is given here, before 485 * actually changing anything. It's put after the mode, if any. 486 */ 487 i = 0; 488 if (p_smd) 489 i = showmode(); 490 491 if (!p_im && did_restart_edit == 0) 492 change_warning(i + 1); 493 494 #ifdef CURSOR_SHAPE 495 ui_cursor_shape(); /* may show different cursor shape */ 496 #endif 497 #ifdef FEAT_DIGRAPHS 498 do_digraph(-1); /* clear digraphs */ 499 #endif 500 501 /* 502 * Get the current length of the redo buffer, those characters have to be 503 * skipped if we want to get to the inserted characters. 504 */ 505 ptr = get_inserted(); 506 if (ptr == NULL) 507 new_insert_skip = 0; 508 else 509 { 510 new_insert_skip = (int)STRLEN(ptr); 511 vim_free(ptr); 512 } 513 514 old_indent = 0; 515 516 /* 517 * Main loop in Insert mode: repeat until Insert mode is left. 518 */ 519 for (;;) 520 { 521 #ifdef FEAT_RIGHTLEFT 522 if (!revins_legal) 523 revins_scol = -1; /* reset on illegal motions */ 524 else 525 revins_legal = 0; 526 #endif 527 if (arrow_used) /* don't repeat insert when arrow key used */ 528 count = 0; 529 530 if (stop_insert_mode) 531 { 532 /* ":stopinsert" used or 'insertmode' reset */ 533 count = 0; 534 goto doESCkey; 535 } 536 537 /* set curwin->w_curswant for next K_DOWN or K_UP */ 538 if (!arrow_used) 539 curwin->w_set_curswant = TRUE; 540 541 /* If there is no typeahead may check for timestamps (e.g., for when a 542 * menu invoked a shell command). */ 543 if (stuff_empty()) 544 { 545 did_check_timestamps = FALSE; 546 if (need_check_timestamps) 547 check_timestamps(FALSE); 548 } 549 550 /* 551 * When emsg() was called msg_scroll will have been set. 552 */ 553 msg_scroll = FALSE; 554 555 #ifdef FEAT_GUI 556 /* When 'mousefocus' is set a mouse movement may have taken us to 557 * another window. "need_mouse_correct" may then be set because of an 558 * autocommand. */ 559 if (need_mouse_correct) 560 gui_mouse_correct(); 561 #endif 562 563 #ifdef FEAT_FOLDING 564 /* Open fold at the cursor line, according to 'foldopen'. */ 565 if (fdo_flags & FDO_INSERT) 566 foldOpenCursor(); 567 /* Close folds where the cursor isn't, according to 'foldclose' */ 568 if (!char_avail()) 569 foldCheckClose(); 570 #endif 571 572 /* 573 * If we inserted a character at the last position of the last line in 574 * the window, scroll the window one line up. This avoids an extra 575 * redraw. 576 * This is detected when the cursor column is smaller after inserting 577 * something. 578 * Don't do this when the topline changed already, it has 579 * already been adjusted (by insertchar() calling open_line())). 580 */ 581 if (curbuf->b_mod_set 582 && curwin->w_p_wrap 583 && !did_backspace 584 && curwin->w_topline == old_topline 585 #ifdef FEAT_DIFF 586 && curwin->w_topfill == old_topfill 587 #endif 588 ) 589 { 590 mincol = curwin->w_wcol; 591 validate_cursor_col(); 592 593 if ((int)curwin->w_wcol < (int)mincol - curbuf->b_p_ts 594 && curwin->w_wrow == W_WINROW(curwin) 595 + curwin->w_height - 1 - p_so 596 && (curwin->w_cursor.lnum != curwin->w_topline 597 #ifdef FEAT_DIFF 598 || curwin->w_topfill > 0 599 #endif 600 )) 601 { 602 #ifdef FEAT_DIFF 603 if (curwin->w_topfill > 0) 604 --curwin->w_topfill; 605 else 606 #endif 607 #ifdef FEAT_FOLDING 608 if (hasFolding(curwin->w_topline, NULL, &old_topline)) 609 set_topline(curwin, old_topline + 1); 610 else 611 #endif 612 set_topline(curwin, curwin->w_topline + 1); 613 } 614 } 615 616 /* May need to adjust w_topline to show the cursor. */ 617 update_topline(); 618 619 did_backspace = FALSE; 620 621 validate_cursor(); /* may set must_redraw */ 622 623 /* 624 * Redraw the display when no characters are waiting. 625 * Also shows mode, ruler and positions cursor. 626 */ 627 ins_redraw(); 628 629 #ifdef FEAT_SCROLLBIND 630 if (curwin->w_p_scb) 631 do_check_scrollbind(TRUE); 632 #endif 633 634 update_curswant(); 635 old_topline = curwin->w_topline; 636 #ifdef FEAT_DIFF 637 old_topfill = curwin->w_topfill; 638 #endif 639 640 #ifdef USE_ON_FLY_SCROLL 641 dont_scroll = FALSE; /* allow scrolling here */ 642 #endif 643 644 /* 645 * Get a character for Insert mode. 646 */ 647 lastc = c; /* remember previous char for CTRL-D */ 648 c = safe_vgetc(); 649 650 #ifdef FEAT_RIGHTLEFT 651 if (p_hkmap && KeyTyped) 652 c = hkmap(c); /* Hebrew mode mapping */ 653 #endif 654 #ifdef FEAT_FKMAP 655 if (p_fkmap && KeyTyped) 656 c = fkmap(c); /* Farsi mode mapping */ 657 #endif 658 659 #ifdef FEAT_INS_EXPAND 660 /* Prepare for or stop CTRL-X mode. This doesn't do completion, but 661 * it does fix up the text when finishing completion. */ 662 if (c != K_IGNORE) 663 ins_compl_prep(c); 664 #endif 665 666 /* CTRL-\ CTRL-N goes to Normal mode, 667 * CTRL-\ CTRL-G goes to mode selected with 'insertmode', 668 * CTRL-\ CTRL-O is like CTRL-O but without moving the cursor. */ 669 if (c == Ctrl_BSL) 670 { 671 /* may need to redraw when no more chars available now */ 672 ins_redraw(); 673 ++no_mapping; 674 ++allow_keys; 675 c = safe_vgetc(); 676 --no_mapping; 677 --allow_keys; 678 if (c != Ctrl_N && c != Ctrl_G && c != Ctrl_O) 679 { 680 /* it's something else */ 681 vungetc(c); 682 c = Ctrl_BSL; 683 } 684 else if (c == Ctrl_G && p_im) 685 continue; 686 else 687 { 688 if (c == Ctrl_O) 689 { 690 ins_ctrl_o(); 691 ins_at_eol = FALSE; /* cursor keeps its column */ 692 nomove = TRUE; 693 } 694 count = 0; 695 goto doESCkey; 696 } 697 } 698 699 #ifdef FEAT_DIGRAPHS 700 c = do_digraph(c); 701 #endif 702 703 #ifdef FEAT_INS_EXPAND 704 if ((c == Ctrl_V || c == Ctrl_Q) && ctrl_x_mode == CTRL_X_CMDLINE) 705 goto docomplete; 706 #endif 707 if (c == Ctrl_V || c == Ctrl_Q) 708 { 709 ins_ctrl_v(); 710 c = Ctrl_V; /* pretend CTRL-V is last typed character */ 711 continue; 712 } 713 714 #ifdef FEAT_CINDENT 715 if (cindent_on() 716 # ifdef FEAT_INS_EXPAND 717 && ctrl_x_mode == 0 718 # endif 719 ) 720 { 721 /* A key name preceded by a bang means this key is not to be 722 * inserted. Skip ahead to the re-indenting below. 723 * A key name preceded by a star means that indenting has to be 724 * done before inserting the key. */ 725 line_is_white = inindent(0); 726 if (in_cinkeys(c, '!', line_is_white)) 727 goto force_cindent; 728 if (can_cindent && in_cinkeys(c, '*', line_is_white) 729 && stop_arrow() == OK) 730 do_c_expr_indent(); 731 } 732 #endif 733 734 #ifdef FEAT_RIGHTLEFT 735 if (curwin->w_p_rl) 736 switch (c) 737 { 738 case K_LEFT: c = K_RIGHT; break; 739 case K_S_LEFT: c = K_S_RIGHT; break; 740 case K_C_LEFT: c = K_C_RIGHT; break; 741 case K_RIGHT: c = K_LEFT; break; 742 case K_S_RIGHT: c = K_S_LEFT; break; 743 case K_C_RIGHT: c = K_C_LEFT; break; 744 } 745 #endif 746 747 #ifdef FEAT_VISUAL 748 /* 749 * If 'keymodel' contains "startsel", may start selection. If it 750 * does, a CTRL-O and c will be stuffed, we need to get these 751 * characters. 752 */ 753 if (ins_start_select(c)) 754 continue; 755 #endif 756 757 /* 758 * The big switch to handle a character in insert mode. 759 */ 760 switch (c) 761 { 762 case ESC: /* End input mode */ 763 if (echeck_abbr(ESC + ABBR_OFF)) 764 break; 765 /*FALLTHROUGH*/ 766 767 case Ctrl_C: /* End input mode */ 768 #ifdef FEAT_CMDWIN 769 if (c == Ctrl_C && cmdwin_type != 0) 770 { 771 /* Close the cmdline window. */ 772 cmdwin_result = K_IGNORE; 773 got_int = FALSE; /* don't stop executing autocommands et al. */ 774 goto doESCkey; 775 } 776 #endif 777 778 #ifdef UNIX 779 do_intr: 780 #endif 781 /* when 'insertmode' set, and not halfway a mapping, don't leave 782 * Insert mode */ 783 if (goto_im()) 784 { 785 if (got_int) 786 { 787 (void)vgetc(); /* flush all buffers */ 788 got_int = FALSE; 789 } 790 else 791 vim_beep(); 792 break; 793 } 794 doESCkey: 795 /* 796 * This is the ONLY return from edit()! 797 */ 798 /* Always update o_lnum, so that a "CTRL-O ." that adds a line 799 * still puts the cursor back after the inserted text. */ 800 if (ins_at_eol && gchar_cursor() == NUL) 801 o_lnum = curwin->w_cursor.lnum; 802 803 if (ins_esc(&count, cmdchar, nomove)) 804 { 805 #ifdef FEAT_AUTOCMD 806 if (cmdchar != 'r' && cmdchar != 'v') 807 apply_autocmds(EVENT_INSERTLEAVE, NULL, NULL, 808 FALSE, curbuf); 809 #endif 810 return (c == Ctrl_O); 811 } 812 continue; 813 814 case Ctrl_Z: /* suspend when 'insertmode' set */ 815 if (!p_im) 816 goto normalchar; /* insert CTRL-Z as normal char */ 817 stuffReadbuff((char_u *)":st\r"); 818 c = Ctrl_O; 819 /*FALLTHROUGH*/ 820 821 case Ctrl_O: /* execute one command */ 822 #ifdef FEAT_COMPL_FUNC 823 if (ctrl_x_mode == CTRL_X_OCCULT) 824 goto docomplete; 825 #endif 826 if (echeck_abbr(Ctrl_O + ABBR_OFF)) 827 break; 828 ins_ctrl_o(); 829 count = 0; 830 goto doESCkey; 831 832 case K_INS: /* toggle insert/replace mode */ 833 case K_KINS: 834 ins_insert(replaceState); 835 break; 836 837 case K_SELECT: /* end of Select mode mapping - ignore */ 838 break; 839 840 #ifdef FEAT_SNIFF 841 case K_SNIFF: /* Sniff command received */ 842 stuffcharReadbuff(K_SNIFF); 843 goto doESCkey; 844 #endif 845 846 case K_HELP: /* Help key works like <ESC> <Help> */ 847 case K_F1: 848 case K_XF1: 849 stuffcharReadbuff(K_HELP); 850 if (p_im) 851 need_start_insertmode = TRUE; 852 goto doESCkey; 853 854 #ifdef FEAT_NETBEANS_INTG 855 case K_F21: /* NetBeans command */ 856 ++no_mapping; /* don't map the next key hits */ 857 i = safe_vgetc(); 858 --no_mapping; 859 netbeans_keycommand(i); 860 break; 861 #endif 862 863 case K_ZERO: /* Insert the previously inserted text. */ 864 case NUL: 865 case Ctrl_A: 866 /* For ^@ the trailing ESC will end the insert, unless there is an 867 * error. */ 868 if (stuff_inserted(NUL, 1L, (c == Ctrl_A)) == FAIL 869 && c != Ctrl_A && !p_im) 870 goto doESCkey; /* quit insert mode */ 871 inserted_space = FALSE; 872 break; 873 874 case Ctrl_R: /* insert the contents of a register */ 875 ins_reg(); 876 auto_format(FALSE, TRUE); 877 inserted_space = FALSE; 878 break; 879 880 case Ctrl_G: /* commands starting with CTRL-G */ 881 ins_ctrl_g(); 882 break; 883 884 case Ctrl_HAT: /* switch input mode and/or langmap */ 885 ins_ctrl_hat(); 886 break; 887 888 #ifdef FEAT_RIGHTLEFT 889 case Ctrl__: /* switch between languages */ 890 if (!p_ari) 891 goto normalchar; 892 ins_ctrl_(); 893 break; 894 #endif 895 896 case Ctrl_D: /* Make indent one shiftwidth smaller. */ 897 #if defined(FEAT_INS_EXPAND) && defined(FEAT_FIND_ID) 898 if (ctrl_x_mode == CTRL_X_PATH_DEFINES) 899 goto docomplete; 900 #endif 901 /* FALLTHROUGH */ 902 903 case Ctrl_T: /* Make indent one shiftwidth greater. */ 904 # ifdef FEAT_INS_EXPAND 905 if (c == Ctrl_T && ctrl_x_mode == CTRL_X_THESAURUS) 906 { 907 if (has_compl_option(FALSE)) 908 goto docomplete; 909 break; 910 } 911 # endif 912 ins_shift(c, lastc); 913 auto_format(FALSE, TRUE); 914 inserted_space = FALSE; 915 break; 916 917 case K_DEL: /* delete character under the cursor */ 918 case K_KDEL: 919 ins_del(); 920 auto_format(FALSE, TRUE); 921 break; 922 923 case K_BS: /* delete character before the cursor */ 924 case Ctrl_H: 925 did_backspace = ins_bs(c, BACKSPACE_CHAR, &inserted_space); 926 auto_format(FALSE, TRUE); 927 break; 928 929 case Ctrl_W: /* delete word before the cursor */ 930 did_backspace = ins_bs(c, BACKSPACE_WORD, &inserted_space); 931 auto_format(FALSE, TRUE); 932 break; 933 934 case Ctrl_U: /* delete all inserted text in current line */ 935 # ifdef FEAT_COMPL_FUNC 936 /* CTRL-X CTRL-U completes with 'completefunc'. */ 937 if (ctrl_x_mode == CTRL_X_FUNCTION) 938 goto docomplete; 939 # endif 940 did_backspace = ins_bs(c, BACKSPACE_LINE, &inserted_space); 941 auto_format(FALSE, TRUE); 942 inserted_space = FALSE; 943 break; 944 945 #ifdef FEAT_MOUSE 946 case K_LEFTMOUSE: /* mouse keys */ 947 case K_LEFTMOUSE_NM: 948 case K_LEFTDRAG: 949 case K_LEFTRELEASE: 950 case K_LEFTRELEASE_NM: 951 case K_MIDDLEMOUSE: 952 case K_MIDDLEDRAG: 953 case K_MIDDLERELEASE: 954 case K_RIGHTMOUSE: 955 case K_RIGHTDRAG: 956 case K_RIGHTRELEASE: 957 case K_X1MOUSE: 958 case K_X1DRAG: 959 case K_X1RELEASE: 960 case K_X2MOUSE: 961 case K_X2DRAG: 962 case K_X2RELEASE: 963 ins_mouse(c); 964 break; 965 966 case K_MOUSEDOWN: /* Default action for scroll wheel up: scroll up */ 967 ins_mousescroll(FALSE); 968 break; 969 970 case K_MOUSEUP: /* Default action for scroll wheel down: scroll down */ 971 ins_mousescroll(TRUE); 972 break; 973 #endif 974 975 case K_IGNORE: /* Something mapped to nothing */ 976 break; 977 978 #ifdef FEAT_GUI 979 case K_VER_SCROLLBAR: 980 ins_scroll(); 981 break; 982 983 case K_HOR_SCROLLBAR: 984 ins_horscroll(); 985 break; 986 #endif 987 988 case K_HOME: /* <Home> */ 989 case K_KHOME: 990 case K_S_HOME: 991 case K_C_HOME: 992 ins_home(c); 993 break; 994 995 case K_END: /* <End> */ 996 case K_KEND: 997 case K_S_END: 998 case K_C_END: 999 ins_end(c); 1000 break; 1001 1002 case K_LEFT: /* <Left> */ 1003 if (mod_mask & (MOD_MASK_SHIFT|MOD_MASK_CTRL)) 1004 ins_s_left(); 1005 else 1006 ins_left(); 1007 break; 1008 1009 case K_S_LEFT: /* <S-Left> */ 1010 case K_C_LEFT: 1011 ins_s_left(); 1012 break; 1013 1014 case K_RIGHT: /* <Right> */ 1015 if (mod_mask & (MOD_MASK_SHIFT|MOD_MASK_CTRL)) 1016 ins_s_right(); 1017 else 1018 ins_right(); 1019 break; 1020 1021 case K_S_RIGHT: /* <S-Right> */ 1022 case K_C_RIGHT: 1023 ins_s_right(); 1024 break; 1025 1026 case K_UP: /* <Up> */ 1027 if (mod_mask & MOD_MASK_SHIFT) 1028 ins_pageup(); 1029 else 1030 ins_up(FALSE); 1031 break; 1032 1033 case K_S_UP: /* <S-Up> */ 1034 case K_PAGEUP: 1035 case K_KPAGEUP: 1036 ins_pageup(); 1037 break; 1038 1039 case K_DOWN: /* <Down> */ 1040 if (mod_mask & MOD_MASK_SHIFT) 1041 ins_pagedown(); 1042 else 1043 ins_down(FALSE); 1044 break; 1045 1046 case K_S_DOWN: /* <S-Down> */ 1047 case K_PAGEDOWN: 1048 case K_KPAGEDOWN: 1049 ins_pagedown(); 1050 break; 1051 1052 #ifdef FEAT_DND 1053 case K_DROP: /* drag-n-drop event */ 1054 ins_drop(); 1055 break; 1056 #endif 1057 1058 case K_S_TAB: /* When not mapped, use like a normal TAB */ 1059 c = TAB; 1060 /* FALLTHROUGH */ 1061 1062 case TAB: /* TAB or Complete patterns along path */ 1063 #if defined(FEAT_INS_EXPAND) && defined(FEAT_FIND_ID) 1064 if (ctrl_x_mode == CTRL_X_PATH_PATTERNS) 1065 goto docomplete; 1066 #endif 1067 inserted_space = FALSE; 1068 if (ins_tab()) 1069 goto normalchar; /* insert TAB as a normal char */ 1070 auto_format(FALSE, TRUE); 1071 break; 1072 1073 case K_KENTER: /* <Enter> */ 1074 c = CAR; 1075 /* FALLTHROUGH */ 1076 case CAR: 1077 case NL: 1078 #if defined(FEAT_WINDOWS) && defined(FEAT_QUICKFIX) 1079 /* In a quickfix window a <CR> jumps to the error under the 1080 * cursor. */ 1081 if (bt_quickfix(curbuf) && c == CAR) 1082 { 1083 do_cmdline_cmd((char_u *)".cc"); 1084 break; 1085 } 1086 #endif 1087 #ifdef FEAT_CMDWIN 1088 if (cmdwin_type != 0) 1089 { 1090 /* Execute the command in the cmdline window. */ 1091 cmdwin_result = CAR; 1092 goto doESCkey; 1093 } 1094 #endif 1095 if (ins_eol(c) && !p_im) 1096 goto doESCkey; /* out of memory */ 1097 auto_format(FALSE, FALSE); 1098 inserted_space = FALSE; 1099 break; 1100 1101 #if defined(FEAT_DIGRAPHS) || defined (FEAT_INS_EXPAND) 1102 case Ctrl_K: /* digraph or keyword completion */ 1103 # ifdef FEAT_INS_EXPAND 1104 if (ctrl_x_mode == CTRL_X_DICTIONARY) 1105 { 1106 if (has_compl_option(TRUE)) 1107 goto docomplete; 1108 break; 1109 } 1110 # endif 1111 # ifdef FEAT_DIGRAPHS 1112 c = ins_digraph(); 1113 if (c == NUL) 1114 break; 1115 # endif 1116 goto normalchar; 1117 #endif 1118 1119 #ifdef FEAT_INS_EXPAND 1120 case Ctrl_X: /* Enter CTRL-X mode */ 1121 ins_ctrl_x(); 1122 break; 1123 1124 case Ctrl_RSB: /* Tag name completion after ^X */ 1125 if (ctrl_x_mode != CTRL_X_TAGS) 1126 goto normalchar; 1127 goto docomplete; 1128 1129 case Ctrl_F: /* File name completion after ^X */ 1130 if (ctrl_x_mode != CTRL_X_FILES) 1131 goto normalchar; 1132 goto docomplete; 1133 1134 case 's': /* Spelling completion after ^X */ 1135 case Ctrl_S: 1136 if (ctrl_x_mode != CTRL_X_SPELL) 1137 goto normalchar; 1138 goto docomplete; 1139 #endif 1140 1141 case Ctrl_L: /* Whole line completion after ^X */ 1142 #ifdef FEAT_INS_EXPAND 1143 if (ctrl_x_mode != CTRL_X_WHOLE_LINE) 1144 #endif 1145 { 1146 /* CTRL-L with 'insertmode' set: Leave Insert mode */ 1147 if (p_im) 1148 { 1149 if (echeck_abbr(Ctrl_L + ABBR_OFF)) 1150 break; 1151 goto doESCkey; 1152 } 1153 goto normalchar; 1154 } 1155 #ifdef FEAT_INS_EXPAND 1156 /* FALLTHROUGH */ 1157 1158 case Ctrl_P: /* Do previous/next pattern completion */ 1159 case Ctrl_N: 1160 /* if 'complete' is empty then plain ^P is no longer special, 1161 * but it is under other ^X modes */ 1162 if (*curbuf->b_p_cpt == NUL 1163 && ctrl_x_mode != 0 1164 && !(compl_cont_status & CONT_LOCAL)) 1165 goto normalchar; 1166 1167 docomplete: 1168 if (ins_complete(c) == FAIL) 1169 compl_cont_status = 0; 1170 break; 1171 #endif /* FEAT_INS_EXPAND */ 1172 1173 case Ctrl_Y: /* copy from previous line or scroll down */ 1174 case Ctrl_E: /* copy from next line or scroll up */ 1175 c = ins_ctrl_ey(c); 1176 break; 1177 1178 default: 1179 #ifdef UNIX 1180 if (c == intr_char) /* special interrupt char */ 1181 goto do_intr; 1182 #endif 1183 1184 /* 1185 * Insert a nomal character. 1186 */ 1187 normalchar: 1188 #ifdef FEAT_SMARTINDENT 1189 /* Try to perform smart-indenting. */ 1190 ins_try_si(c); 1191 #endif 1192 1193 if (c == ' ') 1194 { 1195 inserted_space = TRUE; 1196 #ifdef FEAT_CINDENT 1197 if (inindent(0)) 1198 can_cindent = FALSE; 1199 #endif 1200 if (Insstart_blank_vcol == MAXCOL 1201 && curwin->w_cursor.lnum == Insstart.lnum) 1202 Insstart_blank_vcol = get_nolist_virtcol(); 1203 } 1204 1205 if (vim_iswordc(c) || !echeck_abbr( 1206 #ifdef FEAT_MBYTE 1207 /* Add ABBR_OFF for characters above 0x100, this is 1208 * what check_abbr() expects. */ 1209 (has_mbyte && c >= 0x100) ? (c + ABBR_OFF) : 1210 #endif 1211 c)) 1212 { 1213 insert_special(c, FALSE, FALSE); 1214 #ifdef FEAT_RIGHTLEFT 1215 revins_legal++; 1216 revins_chars++; 1217 #endif 1218 } 1219 1220 auto_format(FALSE, TRUE); 1221 1222 #ifdef FEAT_FOLDING 1223 /* When inserting a character the cursor line must never be in a 1224 * closed fold. */ 1225 foldOpenCursor(); 1226 #endif 1227 break; 1228 } /* end of switch (c) */ 1229 1230 /* If the cursor was moved we didn't just insert a space */ 1231 if (arrow_used) 1232 inserted_space = FALSE; 1233 1234 #ifdef FEAT_CINDENT 1235 if (can_cindent && cindent_on() 1236 # ifdef FEAT_INS_EXPAND 1237 && ctrl_x_mode == 0 1238 # endif 1239 ) 1240 { 1241 force_cindent: 1242 /* 1243 * Indent now if a key was typed that is in 'cinkeys'. 1244 */ 1245 if (in_cinkeys(c, ' ', line_is_white)) 1246 { 1247 if (stop_arrow() == OK) 1248 /* re-indent the current line */ 1249 do_c_expr_indent(); 1250 } 1251 } 1252 #endif /* FEAT_CINDENT */ 1253 1254 } /* for (;;) */ 1255 /* NOTREACHED */ 1256 } 1257 1258 /* 1259 * Redraw for Insert mode. 1260 * This is postponed until getting the next character to make '$' in the 'cpo' 1261 * option work correctly. 1262 * Only redraw when there are no characters available. This speeds up 1263 * inserting sequences of characters (e.g., for CTRL-R). 1264 */ 1265 static void 1266 ins_redraw() 1267 { 1268 if (!char_avail()) 1269 { 1270 if (must_redraw) 1271 update_screen(0); 1272 else if (clear_cmdline || redraw_cmdline) 1273 showmode(); /* clear cmdline and show mode */ 1274 showruler(FALSE); 1275 setcursor(); 1276 emsg_on_display = FALSE; /* may remove error message now */ 1277 } 1278 } 1279 1280 /* 1281 * Handle a CTRL-V or CTRL-Q typed in Insert mode. 1282 */ 1283 static void 1284 ins_ctrl_v() 1285 { 1286 int c; 1287 1288 /* may need to redraw when no more chars available now */ 1289 ins_redraw(); 1290 1291 if (redrawing() && !char_avail()) 1292 edit_putchar('^', TRUE); 1293 AppendToRedobuff((char_u *)CTRL_V_STR); /* CTRL-V */ 1294 1295 #ifdef FEAT_CMDL_INFO 1296 add_to_showcmd_c(Ctrl_V); 1297 #endif 1298 1299 c = get_literal(); 1300 #ifdef FEAT_CMDL_INFO 1301 clear_showcmd(); 1302 #endif 1303 insert_special(c, FALSE, TRUE); 1304 #ifdef FEAT_RIGHTLEFT 1305 revins_chars++; 1306 revins_legal++; 1307 #endif 1308 } 1309 1310 /* 1311 * Put a character directly onto the screen. It's not stored in a buffer. 1312 * Used while handling CTRL-K, CTRL-V, etc. in Insert mode. 1313 */ 1314 static int pc_status; 1315 #define PC_STATUS_UNSET 0 /* pc_bytes was not set */ 1316 #define PC_STATUS_RIGHT 1 /* right halve of double-wide char */ 1317 #define PC_STATUS_LEFT 2 /* left halve of double-wide char */ 1318 #define PC_STATUS_SET 3 /* pc_bytes was filled */ 1319 #ifdef FEAT_MBYTE 1320 static char_u pc_bytes[MB_MAXBYTES + 1]; /* saved bytes */ 1321 #else 1322 static char_u pc_bytes[2]; /* saved bytes */ 1323 #endif 1324 static int pc_attr; 1325 static int pc_row; 1326 static int pc_col; 1327 1328 void 1329 edit_putchar(c, highlight) 1330 int c; 1331 int highlight; 1332 { 1333 int attr; 1334 1335 if (ScreenLines != NULL) 1336 { 1337 update_topline(); /* just in case w_topline isn't valid */ 1338 validate_cursor(); 1339 if (highlight) 1340 attr = hl_attr(HLF_8); 1341 else 1342 attr = 0; 1343 pc_row = W_WINROW(curwin) + curwin->w_wrow; 1344 pc_col = W_WINCOL(curwin); 1345 #if defined(FEAT_RIGHTLEFT) || defined(FEAT_MBYTE) 1346 pc_status = PC_STATUS_UNSET; 1347 #endif 1348 #ifdef FEAT_RIGHTLEFT 1349 if (curwin->w_p_rl) 1350 { 1351 pc_col += W_WIDTH(curwin) - 1 - curwin->w_wcol; 1352 # ifdef FEAT_MBYTE 1353 if (has_mbyte) 1354 { 1355 int fix_col = mb_fix_col(pc_col, pc_row); 1356 1357 if (fix_col != pc_col) 1358 { 1359 screen_putchar(' ', pc_row, fix_col, attr); 1360 --curwin->w_wcol; 1361 pc_status = PC_STATUS_RIGHT; 1362 } 1363 } 1364 # endif 1365 } 1366 else 1367 #endif 1368 { 1369 pc_col += curwin->w_wcol; 1370 #ifdef FEAT_MBYTE 1371 if (mb_lefthalve(pc_row, pc_col)) 1372 pc_status = PC_STATUS_LEFT; 1373 #endif 1374 } 1375 1376 /* save the character to be able to put it back */ 1377 #if defined(FEAT_RIGHTLEFT) || defined(FEAT_MBYTE) 1378 if (pc_status == PC_STATUS_UNSET) 1379 #endif 1380 { 1381 screen_getbytes(pc_row, pc_col, pc_bytes, &pc_attr); 1382 pc_status = PC_STATUS_SET; 1383 } 1384 screen_putchar(c, pc_row, pc_col, attr); 1385 } 1386 } 1387 1388 /* 1389 * Undo the previous edit_putchar(). 1390 */ 1391 void 1392 edit_unputchar() 1393 { 1394 if (pc_status != PC_STATUS_UNSET && pc_row >= msg_scrolled) 1395 { 1396 #if defined(FEAT_MBYTE) 1397 if (pc_status == PC_STATUS_RIGHT) 1398 ++curwin->w_wcol; 1399 if (pc_status == PC_STATUS_RIGHT || pc_status == PC_STATUS_LEFT) 1400 redrawWinline(curwin->w_cursor.lnum, FALSE); 1401 else 1402 #endif 1403 screen_puts(pc_bytes, pc_row - msg_scrolled, pc_col, pc_attr); 1404 } 1405 } 1406 1407 /* 1408 * Called when p_dollar is set: display a '$' at the end of the changed text 1409 * Only works when cursor is in the line that changes. 1410 */ 1411 void 1412 display_dollar(col) 1413 colnr_T col; 1414 { 1415 colnr_T save_col; 1416 1417 if (!redrawing()) 1418 return; 1419 1420 cursor_off(); 1421 save_col = curwin->w_cursor.col; 1422 curwin->w_cursor.col = col; 1423 #ifdef FEAT_MBYTE 1424 if (has_mbyte) 1425 { 1426 char_u *p; 1427 1428 /* If on the last byte of a multi-byte move to the first byte. */ 1429 p = ml_get_curline(); 1430 curwin->w_cursor.col -= (*mb_head_off)(p, p + col); 1431 } 1432 #endif 1433 curs_columns(FALSE); /* recompute w_wrow and w_wcol */ 1434 if (curwin->w_wcol < W_WIDTH(curwin)) 1435 { 1436 edit_putchar('$', FALSE); 1437 dollar_vcol = curwin->w_virtcol; 1438 } 1439 curwin->w_cursor.col = save_col; 1440 } 1441 1442 /* 1443 * Call this function before moving the cursor from the normal insert position 1444 * in insert mode. 1445 */ 1446 static void 1447 undisplay_dollar() 1448 { 1449 if (dollar_vcol) 1450 { 1451 dollar_vcol = 0; 1452 redrawWinline(curwin->w_cursor.lnum, FALSE); 1453 } 1454 } 1455 1456 /* 1457 * Insert an indent (for <Tab> or CTRL-T) or delete an indent (for CTRL-D). 1458 * Keep the cursor on the same character. 1459 * type == INDENT_INC increase indent (for CTRL-T or <Tab>) 1460 * type == INDENT_DEC decrease indent (for CTRL-D) 1461 * type == INDENT_SET set indent to "amount" 1462 * if round is TRUE, round the indent to 'shiftwidth' (only with _INC and _Dec). 1463 */ 1464 void 1465 change_indent(type, amount, round, replaced) 1466 int type; 1467 int amount; 1468 int round; 1469 int replaced; /* replaced character, put on replace stack */ 1470 { 1471 int vcol; 1472 int last_vcol; 1473 int insstart_less; /* reduction for Insstart.col */ 1474 int new_cursor_col; 1475 int i; 1476 char_u *ptr; 1477 int save_p_list; 1478 int start_col; 1479 colnr_T vc; 1480 #ifdef FEAT_VREPLACE 1481 colnr_T orig_col = 0; /* init for GCC */ 1482 char_u *new_line, *orig_line = NULL; /* init for GCC */ 1483 1484 /* VREPLACE mode needs to know what the line was like before changing */ 1485 if (State & VREPLACE_FLAG) 1486 { 1487 orig_line = vim_strsave(ml_get_curline()); /* Deal with NULL below */ 1488 orig_col = curwin->w_cursor.col; 1489 } 1490 #endif 1491 1492 /* for the following tricks we don't want list mode */ 1493 save_p_list = curwin->w_p_list; 1494 curwin->w_p_list = FALSE; 1495 vc = getvcol_nolist(&curwin->w_cursor); 1496 vcol = vc; 1497 1498 /* 1499 * For Replace mode we need to fix the replace stack later, which is only 1500 * possible when the cursor is in the indent. Remember the number of 1501 * characters before the cursor if it's possible. 1502 */ 1503 start_col = curwin->w_cursor.col; 1504 1505 /* determine offset from first non-blank */ 1506 new_cursor_col = curwin->w_cursor.col; 1507 beginline(BL_WHITE); 1508 new_cursor_col -= curwin->w_cursor.col; 1509 1510 insstart_less = curwin->w_cursor.col; 1511 1512 /* 1513 * If the cursor is in the indent, compute how many screen columns the 1514 * cursor is to the left of the first non-blank. 1515 */ 1516 if (new_cursor_col < 0) 1517 vcol = get_indent() - vcol; 1518 1519 if (new_cursor_col > 0) /* can't fix replace stack */ 1520 start_col = -1; 1521 1522 /* 1523 * Set the new indent. The cursor will be put on the first non-blank. 1524 */ 1525 if (type == INDENT_SET) 1526 (void)set_indent(amount, SIN_CHANGED); 1527 else 1528 { 1529 #ifdef FEAT_VREPLACE 1530 int save_State = State; 1531 1532 /* Avoid being called recursively. */ 1533 if (State & VREPLACE_FLAG) 1534 State = INSERT; 1535 #endif 1536 shift_line(type == INDENT_DEC, round, 1); 1537 #ifdef FEAT_VREPLACE 1538 State = save_State; 1539 #endif 1540 } 1541 insstart_less -= curwin->w_cursor.col; 1542 1543 /* 1544 * Try to put cursor on same character. 1545 * If the cursor is at or after the first non-blank in the line, 1546 * compute the cursor column relative to the column of the first 1547 * non-blank character. 1548 * If we are not in insert mode, leave the cursor on the first non-blank. 1549 * If the cursor is before the first non-blank, position it relative 1550 * to the first non-blank, counted in screen columns. 1551 */ 1552 if (new_cursor_col >= 0) 1553 { 1554 /* 1555 * When changing the indent while the cursor is touching it, reset 1556 * Insstart_col to 0. 1557 */ 1558 if (new_cursor_col == 0) 1559 insstart_less = MAXCOL; 1560 new_cursor_col += curwin->w_cursor.col; 1561 } 1562 else if (!(State & INSERT)) 1563 new_cursor_col = curwin->w_cursor.col; 1564 else 1565 { 1566 /* 1567 * Compute the screen column where the cursor should be. 1568 */ 1569 vcol = get_indent() - vcol; 1570 curwin->w_virtcol = (vcol < 0) ? 0 : vcol; 1571 1572 /* 1573 * Advance the cursor until we reach the right screen column. 1574 */ 1575 vcol = last_vcol = 0; 1576 new_cursor_col = -1; 1577 ptr = ml_get_curline(); 1578 while (vcol <= (int)curwin->w_virtcol) 1579 { 1580 last_vcol = vcol; 1581 #ifdef FEAT_MBYTE 1582 if (has_mbyte && new_cursor_col >= 0) 1583 new_cursor_col += (*mb_ptr2len)(ptr + new_cursor_col); 1584 else 1585 #endif 1586 ++new_cursor_col; 1587 vcol += lbr_chartabsize(ptr + new_cursor_col, (colnr_T)vcol); 1588 } 1589 vcol = last_vcol; 1590 1591 /* 1592 * May need to insert spaces to be able to position the cursor on 1593 * the right screen column. 1594 */ 1595 if (vcol != (int)curwin->w_virtcol) 1596 { 1597 curwin->w_cursor.col = new_cursor_col; 1598 i = (int)curwin->w_virtcol - vcol; 1599 ptr = alloc(i + 1); 1600 if (ptr != NULL) 1601 { 1602 new_cursor_col += i; 1603 ptr[i] = NUL; 1604 while (--i >= 0) 1605 ptr[i] = ' '; 1606 ins_str(ptr); 1607 vim_free(ptr); 1608 } 1609 } 1610 1611 /* 1612 * When changing the indent while the cursor is in it, reset 1613 * Insstart_col to 0. 1614 */ 1615 insstart_less = MAXCOL; 1616 } 1617 1618 curwin->w_p_list = save_p_list; 1619 1620 if (new_cursor_col <= 0) 1621 curwin->w_cursor.col = 0; 1622 else 1623 curwin->w_cursor.col = new_cursor_col; 1624 curwin->w_set_curswant = TRUE; 1625 changed_cline_bef_curs(); 1626 1627 /* 1628 * May have to adjust the start of the insert. 1629 */ 1630 if (State & INSERT) 1631 { 1632 if (curwin->w_cursor.lnum == Insstart.lnum && Insstart.col != 0) 1633 { 1634 if ((int)Insstart.col <= insstart_less) 1635 Insstart.col = 0; 1636 else 1637 Insstart.col -= insstart_less; 1638 } 1639 if ((int)ai_col <= insstart_less) 1640 ai_col = 0; 1641 else 1642 ai_col -= insstart_less; 1643 } 1644 1645 /* 1646 * For REPLACE mode, may have to fix the replace stack, if it's possible. 1647 * If the number of characters before the cursor decreased, need to pop a 1648 * few characters from the replace stack. 1649 * If the number of characters before the cursor increased, need to push a 1650 * few NULs onto the replace stack. 1651 */ 1652 if (REPLACE_NORMAL(State) && start_col >= 0) 1653 { 1654 while (start_col > (int)curwin->w_cursor.col) 1655 { 1656 replace_join(0); /* remove a NUL from the replace stack */ 1657 --start_col; 1658 } 1659 while (start_col < (int)curwin->w_cursor.col || replaced) 1660 { 1661 replace_push(NUL); 1662 if (replaced) 1663 { 1664 replace_push(replaced); 1665 replaced = NUL; 1666 } 1667 ++start_col; 1668 } 1669 } 1670 1671 #ifdef FEAT_VREPLACE 1672 /* 1673 * For VREPLACE mode, we also have to fix the replace stack. In this case 1674 * it is always possible because we backspace over the whole line and then 1675 * put it back again the way we wanted it. 1676 */ 1677 if (State & VREPLACE_FLAG) 1678 { 1679 /* If orig_line didn't allocate, just return. At least we did the job, 1680 * even if you can't backspace. */ 1681 if (orig_line == NULL) 1682 return; 1683 1684 /* Save new line */ 1685 new_line = vim_strsave(ml_get_curline()); 1686 if (new_line == NULL) 1687 return; 1688 1689 /* We only put back the new line up to the cursor */ 1690 new_line[curwin->w_cursor.col] = NUL; 1691 1692 /* Put back original line */ 1693 ml_replace(curwin->w_cursor.lnum, orig_line, FALSE); 1694 curwin->w_cursor.col = orig_col; 1695 1696 /* Backspace from cursor to start of line */ 1697 backspace_until_column(0); 1698 1699 /* Insert new stuff into line again */ 1700 ins_bytes(new_line); 1701 1702 vim_free(new_line); 1703 } 1704 #endif 1705 } 1706 1707 /* 1708 * Truncate the space at the end of a line. This is to be used only in an 1709 * insert mode. It handles fixing the replace stack for REPLACE and VREPLACE 1710 * modes. 1711 */ 1712 void 1713 truncate_spaces(line) 1714 char_u *line; 1715 { 1716 int i; 1717 1718 /* find start of trailing white space */ 1719 for (i = (int)STRLEN(line) - 1; i >= 0 && vim_iswhite(line[i]); i--) 1720 { 1721 if (State & REPLACE_FLAG) 1722 replace_join(0); /* remove a NUL from the replace stack */ 1723 } 1724 line[i + 1] = NUL; 1725 } 1726 1727 #if defined(FEAT_VREPLACE) || defined(FEAT_INS_EXPAND) \ 1728 || defined(FEAT_COMMENTS) || defined(PROTO) 1729 /* 1730 * Backspace the cursor until the given column. Handles REPLACE and VREPLACE 1731 * modes correctly. May also be used when not in insert mode at all. 1732 */ 1733 void 1734 backspace_until_column(col) 1735 int col; 1736 { 1737 while ((int)curwin->w_cursor.col > col) 1738 { 1739 curwin->w_cursor.col--; 1740 if (State & REPLACE_FLAG) 1741 replace_do_bs(); 1742 else 1743 (void)del_char(FALSE); 1744 } 1745 } 1746 #endif 1747 1748 #if defined(FEAT_INS_EXPAND) || defined(PROTO) 1749 /* 1750 * CTRL-X pressed in Insert mode. 1751 */ 1752 static void 1753 ins_ctrl_x() 1754 { 1755 /* CTRL-X after CTRL-X CTRL-V doesn't do anything, so that CTRL-X 1756 * CTRL-V works like CTRL-N */ 1757 if (ctrl_x_mode != CTRL_X_CMDLINE) 1758 { 1759 /* if the next ^X<> won't ADD nothing, then reset 1760 * compl_cont_status */ 1761 if (compl_cont_status & CONT_N_ADDS) 1762 compl_cont_status = (compl_cont_status | CONT_INTRPT); 1763 else 1764 compl_cont_status = 0; 1765 /* We're not sure which CTRL-X mode it will be yet */ 1766 ctrl_x_mode = CTRL_X_NOT_DEFINED_YET; 1767 edit_submode = (char_u *)_(CTRL_X_MSG(ctrl_x_mode)); 1768 edit_submode_pre = NULL; 1769 showmode(); 1770 } 1771 } 1772 1773 /* 1774 * Return TRUE if the 'dict' or 'tsr' option can be used. 1775 */ 1776 static int 1777 has_compl_option(dict_opt) 1778 int dict_opt; 1779 { 1780 if (dict_opt ? (*curbuf->b_p_dict == NUL && *p_dict == NUL) 1781 : (*curbuf->b_p_tsr == NUL && *p_tsr == NUL)) 1782 { 1783 ctrl_x_mode = 0; 1784 edit_submode = NULL; 1785 msg_attr(dict_opt ? (char_u *)_("'dictionary' option is empty") 1786 : (char_u *)_("'thesaurus' option is empty"), 1787 hl_attr(HLF_E)); 1788 if (emsg_silent == 0) 1789 { 1790 vim_beep(); 1791 setcursor(); 1792 out_flush(); 1793 ui_delay(2000L, FALSE); 1794 } 1795 return FALSE; 1796 } 1797 return TRUE; 1798 } 1799 1800 /* 1801 * Is the character 'c' a valid key to go to or keep us in CTRL-X mode? 1802 * This depends on the current mode. 1803 */ 1804 int 1805 vim_is_ctrl_x_key(c) 1806 int c; 1807 { 1808 /* Always allow ^R - let it's results then be checked */ 1809 if (c == Ctrl_R) 1810 return TRUE; 1811 1812 switch (ctrl_x_mode) 1813 { 1814 case 0: /* Not in any CTRL-X mode */ 1815 return (c == Ctrl_N || c == Ctrl_P || c == Ctrl_X); 1816 case CTRL_X_NOT_DEFINED_YET: 1817 return ( c == Ctrl_X || c == Ctrl_Y || c == Ctrl_E 1818 || c == Ctrl_L || c == Ctrl_F || c == Ctrl_RSB 1819 || c == Ctrl_I || c == Ctrl_D || c == Ctrl_P 1820 || c == Ctrl_N || c == Ctrl_T || c == Ctrl_V 1821 || c == Ctrl_Q || c == Ctrl_U || c == Ctrl_O 1822 || c == Ctrl_S || c == 's'); 1823 case CTRL_X_SCROLL: 1824 return (c == Ctrl_Y || c == Ctrl_E); 1825 case CTRL_X_WHOLE_LINE: 1826 return (c == Ctrl_L || c == Ctrl_P || c == Ctrl_N); 1827 case CTRL_X_FILES: 1828 return (c == Ctrl_F || c == Ctrl_P || c == Ctrl_N); 1829 case CTRL_X_DICTIONARY: 1830 return (c == Ctrl_K || c == Ctrl_P || c == Ctrl_N); 1831 case CTRL_X_THESAURUS: 1832 return (c == Ctrl_T || c == Ctrl_P || c == Ctrl_N); 1833 case CTRL_X_TAGS: 1834 return (c == Ctrl_RSB || c == Ctrl_P || c == Ctrl_N); 1835 #ifdef FEAT_FIND_ID 1836 case CTRL_X_PATH_PATTERNS: 1837 return (c == Ctrl_P || c == Ctrl_N); 1838 case CTRL_X_PATH_DEFINES: 1839 return (c == Ctrl_D || c == Ctrl_P || c == Ctrl_N); 1840 #endif 1841 case CTRL_X_CMDLINE: 1842 return (c == Ctrl_V || c == Ctrl_Q || c == Ctrl_P || c == Ctrl_N 1843 || c == Ctrl_X); 1844 #ifdef FEAT_COMPL_FUNC 1845 case CTRL_X_FUNCTION: 1846 return (c == Ctrl_U || c == Ctrl_P || c == Ctrl_N); 1847 case CTRL_X_OCCULT: 1848 return (c == Ctrl_O || c == Ctrl_P || c == Ctrl_N); 1849 #endif 1850 case CTRL_X_SPELL: 1851 return (c == Ctrl_S || c == Ctrl_P || c == Ctrl_N); 1852 } 1853 EMSG(_(e_internal)); 1854 return FALSE; 1855 } 1856 1857 /* 1858 * This is like ins_compl_add(), but if ic and inf are set, then the 1859 * case of the originally typed text is used, and the case of the completed 1860 * text is infered, ie this tries to work out what case you probably wanted 1861 * the rest of the word to be in -- webb 1862 * TODO: make this work for multi-byte characters. 1863 */ 1864 int 1865 ins_compl_add_infercase(str, len, fname, dir, flags) 1866 char_u *str; 1867 int len; 1868 char_u *fname; 1869 int dir; 1870 int flags; 1871 { 1872 int has_lower = FALSE; 1873 int was_letter = FALSE; 1874 int idx; 1875 1876 if (p_ic && curbuf->b_p_inf && len < IOSIZE) 1877 { 1878 /* Infer case of completed part -- webb */ 1879 /* Use IObuff, str would change text in buffer! */ 1880 vim_strncpy(IObuff, str, len); 1881 1882 /* Rule 1: Were any chars converted to lower? */ 1883 for (idx = 0; idx < compl_length; ++idx) 1884 { 1885 if (islower(compl_orig_text[idx])) 1886 { 1887 has_lower = TRUE; 1888 if (isupper(IObuff[idx])) 1889 { 1890 /* Rule 1 is satisfied */ 1891 for (idx = compl_length; idx < len; ++idx) 1892 IObuff[idx] = TOLOWER_LOC(IObuff[idx]); 1893 break; 1894 } 1895 } 1896 } 1897 1898 /* 1899 * Rule 2: No lower case, 2nd consecutive letter converted to 1900 * upper case. 1901 */ 1902 if (!has_lower) 1903 { 1904 for (idx = 0; idx < compl_length; ++idx) 1905 { 1906 if (was_letter && isupper(compl_orig_text[idx]) 1907 && islower(IObuff[idx])) 1908 { 1909 /* Rule 2 is satisfied */ 1910 for (idx = compl_length; idx < len; ++idx) 1911 IObuff[idx] = TOUPPER_LOC(IObuff[idx]); 1912 break; 1913 } 1914 was_letter = isalpha(compl_orig_text[idx]); 1915 } 1916 } 1917 1918 /* Copy the original case of the part we typed */ 1919 STRNCPY(IObuff, compl_orig_text, compl_length); 1920 1921 return ins_compl_add(IObuff, len, fname, dir, flags); 1922 } 1923 return ins_compl_add(str, len, fname, dir, flags); 1924 } 1925 1926 /* 1927 * Add a match to the list of matches. 1928 * If the given string is already in the list of completions, then return 1929 * FAIL, otherwise add it to the list and return OK. If there is an error, 1930 * maybe because alloc() returns NULL, then RET_ERROR is returned -- webb. 1931 * 1932 * New: 1933 * If the given string is already in the list of completions, then return 1934 * NOTDONE, otherwise add it to the list and return OK. If there is an error, 1935 * maybe because alloc() returns NULL, then FAIL is returned -- webb. 1936 */ 1937 int 1938 ins_compl_add(str, len, fname, dir, flags) 1939 char_u *str; 1940 int len; 1941 char_u *fname; 1942 int dir; 1943 int flags; 1944 { 1945 compl_T *match; 1946 1947 ui_breakcheck(); 1948 if (got_int) 1949 return FAIL; 1950 if (len < 0) 1951 len = (int)STRLEN(str); 1952 1953 /* 1954 * If the same match is already present, don't add it. 1955 */ 1956 if (compl_first_match != NULL) 1957 { 1958 match = compl_first_match; 1959 do 1960 { 1961 if ( !(match->cp_flags & ORIGINAL_TEXT) 1962 && STRNCMP(match->cp_str, str, (size_t)len) == 0 1963 && match->cp_str[len] == NUL) 1964 return NOTDONE; 1965 match = match->cp_next; 1966 } while (match != NULL && match != compl_first_match); 1967 } 1968 1969 /* 1970 * Allocate a new match structure. 1971 * Copy the values to the new match structure. 1972 */ 1973 match = (compl_T *)alloc((unsigned)sizeof(compl_T)); 1974 if (match == NULL) 1975 return FAIL; 1976 match->cp_number = -1; 1977 if (flags & ORIGINAL_TEXT) 1978 { 1979 match->cp_number = 0; 1980 match->cp_str = compl_orig_text; 1981 } 1982 else if ((match->cp_str = vim_strnsave(str, len)) == NULL) 1983 { 1984 vim_free(match); 1985 return FAIL; 1986 } 1987 /* match-fname is: 1988 * - compl_curr_match->cp_fname if it is a string equal to fname. 1989 * - a copy of fname, FREE_FNAME is set to free later THE allocated mem. 1990 * - NULL otherwise. --Acevedo */ 1991 if (fname && compl_curr_match && compl_curr_match->cp_fname 1992 && STRCMP(fname, compl_curr_match->cp_fname) == 0) 1993 match->cp_fname = compl_curr_match->cp_fname; 1994 else if (fname && (match->cp_fname = vim_strsave(fname)) != NULL) 1995 flags |= FREE_FNAME; 1996 else 1997 match->cp_fname = NULL; 1998 match->cp_flags = flags; 1999 2000 /* 2001 * Link the new match structure in the list of matches. 2002 */ 2003 if (compl_first_match == NULL) 2004 match->cp_next = match->cp_prev = NULL; 2005 else if (dir == FORWARD) 2006 { 2007 match->cp_next = compl_curr_match->cp_next; 2008 match->cp_prev = compl_curr_match; 2009 } 2010 else /* BACKWARD */ 2011 { 2012 match->cp_next = compl_curr_match; 2013 match->cp_prev = compl_curr_match->cp_prev; 2014 } 2015 if (match->cp_next) 2016 match->cp_next->cp_prev = match; 2017 if (match->cp_prev) 2018 match->cp_prev->cp_next = match; 2019 else /* if there's nothing before, it is the first match */ 2020 compl_first_match = match; 2021 compl_curr_match = match; 2022 2023 return OK; 2024 } 2025 2026 /* 2027 * Add an array of matches to the list of matches. 2028 * Frees matches[]. 2029 */ 2030 static void 2031 ins_compl_add_matches(num_matches, matches, dir) 2032 int num_matches; 2033 char_u **matches; 2034 int dir; 2035 { 2036 int i; 2037 int add_r = OK; 2038 int ldir = dir; 2039 2040 for (i = 0; i < num_matches && add_r != FAIL; i++) 2041 if ((add_r = ins_compl_add(matches[i], -1, NULL, ldir, 0)) == OK) 2042 /* if dir was BACKWARD then honor it just once */ 2043 ldir = FORWARD; 2044 FreeWild(num_matches, matches); 2045 } 2046 2047 /* Make the completion list cyclic. 2048 * Return the number of matches (excluding the original). 2049 */ 2050 static int 2051 ins_compl_make_cyclic() 2052 { 2053 compl_T *match; 2054 int count = 0; 2055 2056 if (compl_first_match != NULL) 2057 { 2058 /* 2059 * Find the end of the list. 2060 */ 2061 match = compl_first_match; 2062 /* there's always an entry for the compl_orig_text, it doesn't count. */ 2063 while (match->cp_next != NULL && match->cp_next != compl_first_match) 2064 { 2065 match = match->cp_next; 2066 ++count; 2067 } 2068 match->cp_next = compl_first_match; 2069 compl_first_match->cp_prev = match; 2070 } 2071 return count; 2072 } 2073 2074 #define DICT_FIRST (1) /* use just first element in "dict" */ 2075 #define DICT_EXACT (2) /* "dict" is the exact name of a file */ 2076 /* 2077 * Add any identifiers that match the given pattern to the list of 2078 * completions. 2079 */ 2080 static void 2081 ins_compl_dictionaries(dict, pat, dir, flags, thesaurus) 2082 char_u *dict; 2083 char_u *pat; 2084 int dir; 2085 int flags; 2086 int thesaurus; 2087 { 2088 char_u *ptr; 2089 char_u *buf; 2090 FILE *fp; 2091 regmatch_T regmatch; 2092 int add_r; 2093 char_u **files; 2094 int count; 2095 int i; 2096 int save_p_scs; 2097 2098 buf = alloc(LSIZE); 2099 /* If 'infercase' is set, don't use 'smartcase' here */ 2100 save_p_scs = p_scs; 2101 if (curbuf->b_p_inf) 2102 p_scs = FALSE; 2103 regmatch.regprog = vim_regcomp(pat, p_magic ? RE_MAGIC : 0); 2104 /* ignore case depends on 'ignorecase', 'smartcase' and "pat" */ 2105 regmatch.rm_ic = ignorecase(pat); 2106 while (buf != NULL && regmatch.regprog != NULL && *dict != NUL 2107 && !got_int && !compl_interrupted) 2108 { 2109 /* copy one dictionary file name into buf */ 2110 if (flags == DICT_EXACT) 2111 { 2112 count = 1; 2113 files = &dict; 2114 } 2115 else 2116 { 2117 /* Expand wildcards in the dictionary name, but do not allow 2118 * backticks (for security, the 'dict' option may have been set in 2119 * a modeline). */ 2120 copy_option_part(&dict, buf, LSIZE, ","); 2121 if (vim_strchr(buf, '`') != NULL 2122 || expand_wildcards(1, &buf, &count, &files, 2123 EW_FILE|EW_SILENT) != OK) 2124 count = 0; 2125 } 2126 2127 for (i = 0; i < count && !got_int && !compl_interrupted; i++) 2128 { 2129 fp = mch_fopen((char *)files[i], "r"); /* open dictionary file */ 2130 if (flags != DICT_EXACT) 2131 { 2132 vim_snprintf((char *)IObuff, IOSIZE, 2133 _("Scanning dictionary: %s"), (char *)files[i]); 2134 msg_trunc_attr(IObuff, TRUE, hl_attr(HLF_R)); 2135 } 2136 2137 if (fp != NULL) 2138 { 2139 /* 2140 * Read dictionary file line by line. 2141 * Check each line for a match. 2142 */ 2143 while (!got_int && !compl_interrupted 2144 && !vim_fgets(buf, LSIZE, fp)) 2145 { 2146 ptr = buf; 2147 while (vim_regexec(®match, buf, (colnr_T)(ptr - buf))) 2148 { 2149 ptr = regmatch.startp[0]; 2150 ptr = find_word_end(ptr); 2151 add_r = ins_compl_add_infercase(regmatch.startp[0], 2152 (int)(ptr - regmatch.startp[0]), 2153 files[i], dir, 0); 2154 if (thesaurus) 2155 { 2156 char_u *wstart; 2157 2158 /* 2159 * Add the other matches on the line 2160 */ 2161 while (!got_int) 2162 { 2163 /* Find start of the next word. Skip white 2164 * space and punctuation. */ 2165 ptr = find_word_start(ptr); 2166 if (*ptr == NUL || *ptr == NL) 2167 break; 2168 wstart = ptr; 2169 2170 /* Find end of the word and add it. */ 2171 #ifdef FEAT_MBYTE 2172 if (has_mbyte) 2173 /* Japanese words may have characters in 2174 * different classes, only separate words 2175 * with single-byte non-word characters. */ 2176 while (*ptr != NUL) 2177 { 2178 int l = (*mb_ptr2len)(ptr); 2179 2180 if (l < 2 && !vim_iswordc(*ptr)) 2181 break; 2182 ptr += l; 2183 } 2184 else 2185 #endif 2186 ptr = find_word_end(ptr); 2187 add_r = ins_compl_add_infercase(wstart, 2188 (int)(ptr - wstart), files[i], dir, 0); 2189 } 2190 } 2191 if (add_r == OK) 2192 /* if dir was BACKWARD then honor it just once */ 2193 dir = FORWARD; 2194 else if (add_r == FAIL) 2195 break; 2196 /* avoid expensive call to vim_regexec() when at end 2197 * of line */ 2198 if (*ptr == '\n' || got_int) 2199 break; 2200 } 2201 line_breakcheck(); 2202 ins_compl_check_keys(50); 2203 } 2204 fclose(fp); 2205 } 2206 } 2207 if (flags != DICT_EXACT) 2208 FreeWild(count, files); 2209 if (flags) 2210 break; 2211 } 2212 p_scs = save_p_scs; 2213 vim_free(regmatch.regprog); 2214 vim_free(buf); 2215 } 2216 2217 /* 2218 * Find the start of the next word. 2219 * Returns a pointer to the first char of the word. Also stops at a NUL. 2220 */ 2221 char_u * 2222 find_word_start(ptr) 2223 char_u *ptr; 2224 { 2225 #ifdef FEAT_MBYTE 2226 if (has_mbyte) 2227 while (*ptr != NUL && *ptr != '\n' && mb_get_class(ptr) <= 1) 2228 ptr += (*mb_ptr2len)(ptr); 2229 else 2230 #endif 2231 while (*ptr != NUL && *ptr != '\n' && !vim_iswordc(*ptr)) 2232 ++ptr; 2233 return ptr; 2234 } 2235 2236 /* 2237 * Find the end of the word. Assumes it starts inside a word. 2238 * Returns a pointer to just after the word. 2239 */ 2240 char_u * 2241 find_word_end(ptr) 2242 char_u *ptr; 2243 { 2244 #ifdef FEAT_MBYTE 2245 int start_class; 2246 2247 if (has_mbyte) 2248 { 2249 start_class = mb_get_class(ptr); 2250 if (start_class > 1) 2251 while (*ptr != NUL) 2252 { 2253 ptr += (*mb_ptr2len)(ptr); 2254 if (mb_get_class(ptr) != start_class) 2255 break; 2256 } 2257 } 2258 else 2259 #endif 2260 while (vim_iswordc(*ptr)) 2261 ++ptr; 2262 return ptr; 2263 } 2264 2265 /* 2266 * Free the list of completions 2267 */ 2268 static void 2269 ins_compl_free() 2270 { 2271 compl_T *match; 2272 2273 vim_free(compl_pattern); 2274 compl_pattern = NULL; 2275 2276 if (compl_first_match == NULL) 2277 return; 2278 compl_curr_match = compl_first_match; 2279 do 2280 { 2281 match = compl_curr_match; 2282 compl_curr_match = compl_curr_match->cp_next; 2283 vim_free(match->cp_str); 2284 /* several entries may use the same fname, free it just once. */ 2285 if (match->cp_flags & FREE_FNAME) 2286 vim_free(match->cp_fname); 2287 vim_free(match); 2288 } while (compl_curr_match != NULL && compl_curr_match != compl_first_match); 2289 compl_first_match = compl_curr_match = NULL; 2290 } 2291 2292 static void 2293 ins_compl_clear() 2294 { 2295 compl_cont_status = 0; 2296 compl_started = FALSE; 2297 compl_matches = 0; 2298 vim_free(compl_pattern); 2299 compl_pattern = NULL; 2300 save_sm = -1; 2301 edit_submode_extra = NULL; 2302 } 2303 2304 /* 2305 * Prepare for Insert mode completion, or stop it. 2306 * Called just after typing a character in Insert mode. 2307 */ 2308 static void 2309 ins_compl_prep(c) 2310 int c; 2311 { 2312 char_u *ptr; 2313 int temp; 2314 int want_cindent; 2315 2316 /* Forget any previous 'special' messages if this is actually 2317 * a ^X mode key - bar ^R, in which case we wait to see what it gives us. 2318 */ 2319 if (c != Ctrl_R && vim_is_ctrl_x_key(c)) 2320 edit_submode_extra = NULL; 2321 2322 /* Ignore end of Select mode mapping */ 2323 if (c == K_SELECT) 2324 return; 2325 2326 if (ctrl_x_mode == CTRL_X_NOT_DEFINED_YET) 2327 { 2328 /* 2329 * We have just typed CTRL-X and aren't quite sure which CTRL-X mode 2330 * it will be yet. Now we decide. 2331 */ 2332 switch (c) 2333 { 2334 case Ctrl_E: 2335 case Ctrl_Y: 2336 ctrl_x_mode = CTRL_X_SCROLL; 2337 if (!(State & REPLACE_FLAG)) 2338 edit_submode = (char_u *)_(" (insert) Scroll (^E/^Y)"); 2339 else 2340 edit_submode = (char_u *)_(" (replace) Scroll (^E/^Y)"); 2341 edit_submode_pre = NULL; 2342 showmode(); 2343 break; 2344 case Ctrl_L: 2345 ctrl_x_mode = CTRL_X_WHOLE_LINE; 2346 break; 2347 case Ctrl_F: 2348 ctrl_x_mode = CTRL_X_FILES; 2349 break; 2350 case Ctrl_K: 2351 ctrl_x_mode = CTRL_X_DICTIONARY; 2352 break; 2353 case Ctrl_R: 2354 /* Simply allow ^R to happen without affecting ^X mode */ 2355 break; 2356 case Ctrl_T: 2357 ctrl_x_mode = CTRL_X_THESAURUS; 2358 break; 2359 #ifdef FEAT_COMPL_FUNC 2360 case Ctrl_U: 2361 ctrl_x_mode = CTRL_X_FUNCTION; 2362 break; 2363 case Ctrl_O: 2364 ctrl_x_mode = CTRL_X_OCCULT; 2365 break; 2366 #endif 2367 case 's': 2368 case Ctrl_S: 2369 ctrl_x_mode = CTRL_X_SPELL; 2370 #ifdef FEAT_SYN_HL 2371 spell_back_to_badword(); 2372 #endif 2373 break; 2374 case Ctrl_RSB: 2375 ctrl_x_mode = CTRL_X_TAGS; 2376 break; 2377 #ifdef FEAT_FIND_ID 2378 case Ctrl_I: 2379 case K_S_TAB: 2380 ctrl_x_mode = CTRL_X_PATH_PATTERNS; 2381 break; 2382 case Ctrl_D: 2383 ctrl_x_mode = CTRL_X_PATH_DEFINES; 2384 break; 2385 #endif 2386 case Ctrl_V: 2387 case Ctrl_Q: 2388 ctrl_x_mode = CTRL_X_CMDLINE; 2389 break; 2390 case Ctrl_P: 2391 case Ctrl_N: 2392 /* ^X^P means LOCAL expansion if nothing interrupted (eg we 2393 * just started ^X mode, or there were enough ^X's to cancel 2394 * the previous mode, say ^X^F^X^X^P or ^P^X^X^X^P, see below) 2395 * do normal expansion when interrupting a different mode (say 2396 * ^X^F^X^P or ^P^X^X^P, see below) 2397 * nothing changes if interrupting mode 0, (eg, the flag 2398 * doesn't change when going to ADDING mode -- Acevedo */ 2399 if (!(compl_cont_status & CONT_INTRPT)) 2400 compl_cont_status |= CONT_LOCAL; 2401 else if (compl_cont_mode != 0) 2402 compl_cont_status &= ~CONT_LOCAL; 2403 /* FALLTHROUGH */ 2404 default: 2405 /* If we have typed at least 2 ^X's... for modes != 0, we set 2406 * compl_cont_status = 0 (eg, as if we had just started ^X 2407 * mode). 2408 * For mode 0, we set "compl_cont_mode" to an impossible 2409 * value, in both cases ^X^X can be used to restart the same 2410 * mode (avoiding ADDING mode). 2411 * Undocumented feature: In a mode != 0 ^X^P and ^X^X^P start 2412 * 'complete' and local ^P expansions respectively. 2413 * In mode 0 an extra ^X is needed since ^X^P goes to ADDING 2414 * mode -- Acevedo */ 2415 if (c == Ctrl_X) 2416 { 2417 if (compl_cont_mode != 0) 2418 compl_cont_status = 0; 2419 else 2420 compl_cont_mode = CTRL_X_NOT_DEFINED_YET; 2421 } 2422 ctrl_x_mode = 0; 2423 edit_submode = NULL; 2424 showmode(); 2425 break; 2426 } 2427 } 2428 else if (ctrl_x_mode != 0) 2429 { 2430 /* We're already in CTRL-X mode, do we stay in it? */ 2431 if (!vim_is_ctrl_x_key(c)) 2432 { 2433 if (ctrl_x_mode == CTRL_X_SCROLL) 2434 ctrl_x_mode = 0; 2435 else 2436 ctrl_x_mode = CTRL_X_FINISHED; 2437 edit_submode = NULL; 2438 } 2439 showmode(); 2440 } 2441 2442 if (compl_started || ctrl_x_mode == CTRL_X_FINISHED) 2443 { 2444 /* Show error message from attempted keyword completion (probably 2445 * 'Pattern not found') until another key is hit, then go back to 2446 * showing what mode we are in. */ 2447 showmode(); 2448 if ((ctrl_x_mode == 0 && c != Ctrl_N && c != Ctrl_P && c != Ctrl_R) 2449 || ctrl_x_mode == CTRL_X_FINISHED) 2450 { 2451 /* Get here when we have finished typing a sequence of ^N and 2452 * ^P or other completion characters in CTRL-X mode. Free up 2453 * memory that was used, and make sure we can redo the insert. */ 2454 if (compl_curr_match != NULL) 2455 { 2456 char_u *p; 2457 2458 /* 2459 * If any of the original typed text has been changed, 2460 * eg when ignorecase is set, we must add back-spaces to 2461 * the redo buffer. We add as few as necessary to delete 2462 * just the part of the original text that has changed. 2463 */ 2464 ptr = compl_curr_match->cp_str; 2465 p = compl_orig_text; 2466 while (*p && *p == *ptr) 2467 { 2468 ++p; 2469 ++ptr; 2470 } 2471 for (temp = 0; p[temp]; ++temp) 2472 AppendCharToRedobuff(K_BS); 2473 AppendToRedobuffLit(ptr); 2474 } 2475 2476 #ifdef FEAT_CINDENT 2477 want_cindent = (can_cindent && cindent_on()); 2478 #endif 2479 /* 2480 * When completing whole lines: fix indent for 'cindent'. 2481 * Otherwise, break line if it's too long. 2482 */ 2483 if (compl_cont_mode == CTRL_X_WHOLE_LINE) 2484 { 2485 #ifdef FEAT_CINDENT 2486 /* re-indent the current line */ 2487 if (want_cindent) 2488 { 2489 do_c_expr_indent(); 2490 want_cindent = FALSE; /* don't do it again */ 2491 } 2492 #endif 2493 } 2494 else 2495 { 2496 /* put the cursor on the last char, for 'tw' formatting */ 2497 curwin->w_cursor.col--; 2498 if (stop_arrow() == OK) 2499 insertchar(NUL, 0, -1); 2500 curwin->w_cursor.col++; 2501 } 2502 2503 auto_format(FALSE, TRUE); 2504 2505 ins_compl_free(); 2506 compl_started = FALSE; 2507 compl_matches = 0; 2508 msg_clr_cmdline(); /* necessary for "noshowmode" */ 2509 ctrl_x_mode = 0; 2510 if (save_sm >= 0) 2511 p_sm = save_sm; 2512 if (edit_submode != NULL) 2513 { 2514 edit_submode = NULL; 2515 showmode(); 2516 } 2517 2518 #ifdef FEAT_CINDENT 2519 /* 2520 * Indent now if a key was typed that is in 'cinkeys'. 2521 */ 2522 if (want_cindent && in_cinkeys(KEY_COMPLETE, ' ', inindent(0))) 2523 do_c_expr_indent(); 2524 #endif 2525 } 2526 } 2527 2528 /* reset continue_* if we left expansion-mode, if we stay they'll be 2529 * (re)set properly in ins_complete() */ 2530 if (!vim_is_ctrl_x_key(c)) 2531 { 2532 compl_cont_status = 0; 2533 compl_cont_mode = 0; 2534 } 2535 } 2536 2537 /* 2538 * Loops through the list of windows, loaded-buffers or non-loaded-buffers 2539 * (depending on flag) starting from buf and looking for a non-scanned 2540 * buffer (other than curbuf). curbuf is special, if it is called with 2541 * buf=curbuf then it has to be the first call for a given flag/expansion. 2542 * 2543 * Returns the buffer to scan, if any, otherwise returns curbuf -- Acevedo 2544 */ 2545 static buf_T * 2546 ins_compl_next_buf(buf, flag) 2547 buf_T *buf; 2548 int flag; 2549 { 2550 #ifdef FEAT_WINDOWS 2551 static win_T *wp; 2552 #endif 2553 2554 if (flag == 'w') /* just windows */ 2555 { 2556 #ifdef FEAT_WINDOWS 2557 if (buf == curbuf) /* first call for this flag/expansion */ 2558 wp = curwin; 2559 while ((wp = (wp->w_next != NULL ? wp->w_next : firstwin)) != curwin 2560 && wp->w_buffer->b_scanned) 2561 ; 2562 buf = wp->w_buffer; 2563 #else 2564 buf = curbuf; 2565 #endif 2566 } 2567 else 2568 /* 'b' (just loaded buffers), 'u' (just non-loaded buffers) or 'U' 2569 * (unlisted buffers) 2570 * When completing whole lines skip unloaded buffers. */ 2571 while ((buf = (buf->b_next != NULL ? buf->b_next : firstbuf)) != curbuf 2572 && ((flag == 'U' 2573 ? buf->b_p_bl 2574 : (!buf->b_p_bl 2575 || (buf->b_ml.ml_mfp == NULL) != (flag == 'u'))) 2576 || buf->b_scanned 2577 || (buf->b_ml.ml_mfp == NULL 2578 && ctrl_x_mode == CTRL_X_WHOLE_LINE))) 2579 ; 2580 return buf; 2581 } 2582 2583 #ifdef FEAT_COMPL_FUNC 2584 static int expand_by_function __ARGS((int type, char_u *base, char_u ***matches)); 2585 2586 /* 2587 * Execute user defined complete function 'completefunc' or 'occultfunc', and 2588 * get matches in "matches". 2589 * Return value is number of matches. 2590 */ 2591 static int 2592 expand_by_function(type, base, matches) 2593 int type; /* CTRL_X_OCCULT or CTRL_X_FUNCTION */ 2594 char_u *base; 2595 char_u ***matches; 2596 { 2597 list_T *matchlist; 2598 char_u *args[2]; 2599 listitem_T *li; 2600 garray_T ga; 2601 char_u *p; 2602 char_u *funcname; 2603 pos_T pos; 2604 2605 funcname = (type == CTRL_X_FUNCTION) ? curbuf->b_p_cfu : curbuf->b_p_ofu; 2606 if (*funcname == NUL) 2607 return 0; 2608 2609 /* Call 'completefunc' to obtain the list of matches. */ 2610 args[0] = (char_u *)"0"; 2611 args[1] = base; 2612 2613 pos = curwin->w_cursor; 2614 matchlist = call_func_retlist(funcname, 2, args, FALSE); 2615 curwin->w_cursor = pos; /* restore the cursor position */ 2616 if (matchlist == NULL) 2617 return 0; 2618 2619 /* Go through the List with matches and put them in an array. */ 2620 ga_init2(&ga, (int)sizeof(char_u *), 8); 2621 for (li = matchlist->lv_first; li != NULL; li = li->li_next) 2622 { 2623 p = get_tv_string_chk(&li->li_tv); 2624 if (p != NULL && *p != NUL) 2625 { 2626 if (ga_grow(&ga, 1) == FAIL) 2627 break; 2628 ((char_u **)ga.ga_data)[ga.ga_len] = vim_strsave(p); 2629 ++ga.ga_len; 2630 } 2631 } 2632 2633 list_unref(matchlist); 2634 *matches = (char_u **)ga.ga_data; 2635 return ga.ga_len; 2636 } 2637 #endif /* FEAT_COMPL_FUNC */ 2638 2639 /* 2640 * Get the next expansion(s), using "compl_pattern". 2641 * The search starts at position "ini" in curbuf and in the direction dir. 2642 * When "compl_started" is FALSE start at that position, otherwise 2643 * continue where we stopped searching before. 2644 * This may return before finding all the matches. 2645 * Return the total number of matches or -1 if still unknown -- Acevedo 2646 */ 2647 static int 2648 ins_compl_get_exp(ini, dir) 2649 pos_T *ini; 2650 int dir; 2651 { 2652 static pos_T first_match_pos; 2653 static pos_T last_match_pos; 2654 static char_u *e_cpt = (char_u *)""; /* curr. entry in 'complete' */ 2655 static int found_all = FALSE; /* Found all matches of a 2656 certain type. */ 2657 static buf_T *ins_buf = NULL; /* buffer being scanned */ 2658 2659 pos_T *pos; 2660 char_u **matches; 2661 int save_p_scs; 2662 int save_p_ws; 2663 int save_p_ic; 2664 int i; 2665 int num_matches; 2666 int len; 2667 int found_new_match; 2668 int type = ctrl_x_mode; 2669 char_u *ptr; 2670 char_u *dict = NULL; 2671 int dict_f = 0; 2672 compl_T *old_match; 2673 2674 if (!compl_started) 2675 { 2676 for (ins_buf = firstbuf; ins_buf != NULL; ins_buf = ins_buf->b_next) 2677 ins_buf->b_scanned = 0; 2678 found_all = FALSE; 2679 ins_buf = curbuf; 2680 e_cpt = (compl_cont_status & CONT_LOCAL) 2681 ? (char_u *)"." : curbuf->b_p_cpt; 2682 last_match_pos = first_match_pos = *ini; 2683 } 2684 2685 old_match = compl_curr_match; /* remember the last current match */ 2686 pos = (dir == FORWARD) ? &last_match_pos : &first_match_pos; 2687 /* For ^N/^P loop over all the flags/windows/buffers in 'complete' */ 2688 for (;;) 2689 { 2690 found_new_match = FAIL; 2691 2692 /* For ^N/^P pick a new entry from e_cpt if compl_started is off, 2693 * or if found_all says this entry is done. For ^X^L only use the 2694 * entries from 'complete' that look in loaded buffers. */ 2695 if ((ctrl_x_mode == 0 || ctrl_x_mode == CTRL_X_WHOLE_LINE) 2696 && (!compl_started || found_all)) 2697 { 2698 found_all = FALSE; 2699 while (*e_cpt == ',' || *e_cpt == ' ') 2700 e_cpt++; 2701 if (*e_cpt == '.' && !curbuf->b_scanned) 2702 { 2703 ins_buf = curbuf; 2704 first_match_pos = *ini; 2705 /* So that ^N can match word immediately after cursor */ 2706 if (ctrl_x_mode == 0) 2707 dec(&first_match_pos); 2708 last_match_pos = first_match_pos; 2709 type = 0; 2710 } 2711 else if (vim_strchr((char_u *)"buwU", *e_cpt) != NULL 2712 && (ins_buf = ins_compl_next_buf(ins_buf, *e_cpt)) != curbuf) 2713 { 2714 /* Scan a buffer, but not the current one. */ 2715 if (ins_buf->b_ml.ml_mfp != NULL) /* loaded buffer */ 2716 { 2717 compl_started = TRUE; 2718 first_match_pos.col = last_match_pos.col = 0; 2719 first_match_pos.lnum = ins_buf->b_ml.ml_line_count + 1; 2720 last_match_pos.lnum = 0; 2721 type = 0; 2722 } 2723 else /* unloaded buffer, scan like dictionary */ 2724 { 2725 found_all = TRUE; 2726 if (ins_buf->b_fname == NULL) 2727 continue; 2728 type = CTRL_X_DICTIONARY; 2729 dict = ins_buf->b_fname; 2730 dict_f = DICT_EXACT; 2731 } 2732 vim_snprintf((char *)IObuff, IOSIZE, _("Scanning: %s"), 2733 ins_buf->b_fname == NULL 2734 ? buf_spname(ins_buf) 2735 : ins_buf->b_sfname == NULL 2736 ? (char *)ins_buf->b_fname 2737 : (char *)ins_buf->b_sfname); 2738 msg_trunc_attr(IObuff, TRUE, hl_attr(HLF_R)); 2739 } 2740 else if (*e_cpt == NUL) 2741 break; 2742 else 2743 { 2744 if (ctrl_x_mode == CTRL_X_WHOLE_LINE) 2745 type = -1; 2746 else if (*e_cpt == 'k' || *e_cpt == 's') 2747 { 2748 if (*e_cpt == 'k') 2749 type = CTRL_X_DICTIONARY; 2750 else 2751 type = CTRL_X_THESAURUS; 2752 if (*++e_cpt != ',' && *e_cpt != NUL) 2753 { 2754 dict = e_cpt; 2755 dict_f = DICT_FIRST; 2756 } 2757 } 2758 #ifdef FEAT_FIND_ID 2759 else if (*e_cpt == 'i') 2760 type = CTRL_X_PATH_PATTERNS; 2761 else if (*e_cpt == 'd') 2762 type = CTRL_X_PATH_DEFINES; 2763 #endif 2764 else if (*e_cpt == ']' || *e_cpt == 't') 2765 { 2766 type = CTRL_X_TAGS; 2767 sprintf((char*)IObuff, _("Scanning tags.")); 2768 msg_trunc_attr(IObuff, TRUE, hl_attr(HLF_R)); 2769 } 2770 else 2771 type = -1; 2772 2773 /* in any case e_cpt is advanced to the next entry */ 2774 (void)copy_option_part(&e_cpt, IObuff, IOSIZE, ","); 2775 2776 found_all = TRUE; 2777 if (type == -1) 2778 continue; 2779 } 2780 } 2781 2782 switch (type) 2783 { 2784 case -1: 2785 break; 2786 #ifdef FEAT_FIND_ID 2787 case CTRL_X_PATH_PATTERNS: 2788 case CTRL_X_PATH_DEFINES: 2789 find_pattern_in_path(compl_pattern, dir, 2790 (int)STRLEN(compl_pattern), FALSE, FALSE, 2791 (type == CTRL_X_PATH_DEFINES 2792 && !(compl_cont_status & CONT_SOL)) 2793 ? FIND_DEFINE : FIND_ANY, 1L, ACTION_EXPAND, 2794 (linenr_T)1, (linenr_T)MAXLNUM); 2795 break; 2796 #endif 2797 2798 case CTRL_X_DICTIONARY: 2799 case CTRL_X_THESAURUS: 2800 ins_compl_dictionaries( 2801 dict ? dict 2802 : (type == CTRL_X_THESAURUS 2803 ? (*curbuf->b_p_tsr == NUL 2804 ? p_tsr 2805 : curbuf->b_p_tsr) 2806 : (*curbuf->b_p_dict == NUL 2807 ? p_dict 2808 : curbuf->b_p_dict)), 2809 compl_pattern, dir, 2810 dict ? dict_f : 0, type == CTRL_X_THESAURUS); 2811 dict = NULL; 2812 break; 2813 2814 case CTRL_X_TAGS: 2815 /* set p_ic according to p_ic, p_scs and pat for find_tags(). */ 2816 save_p_ic = p_ic; 2817 p_ic = ignorecase(compl_pattern); 2818 2819 /* Find up to TAG_MANY matches. Avoids that an enourmous number 2820 * of matches is found when compl_pattern is empty */ 2821 if (find_tags(compl_pattern, &num_matches, &matches, 2822 TAG_REGEXP | TAG_NAMES | TAG_NOIC | 2823 TAG_INS_COMP | (ctrl_x_mode ? TAG_VERBOSE : 0), 2824 TAG_MANY, curbuf->b_ffname) == OK && num_matches > 0) 2825 { 2826 ins_compl_add_matches(num_matches, matches, dir); 2827 } 2828 p_ic = save_p_ic; 2829 break; 2830 2831 case CTRL_X_FILES: 2832 if (expand_wildcards(1, &compl_pattern, &num_matches, &matches, 2833 EW_FILE|EW_DIR|EW_ADDSLASH|EW_SILENT) == OK) 2834 { 2835 2836 /* May change home directory back to "~". */ 2837 tilde_replace(compl_pattern, num_matches, matches); 2838 ins_compl_add_matches(num_matches, matches, dir); 2839 } 2840 break; 2841 2842 case CTRL_X_CMDLINE: 2843 if (expand_cmdline(&compl_xp, compl_pattern, 2844 (int)STRLEN(compl_pattern), 2845 &num_matches, &matches) == EXPAND_OK) 2846 ins_compl_add_matches(num_matches, matches, dir); 2847 break; 2848 2849 #ifdef FEAT_COMPL_FUNC 2850 case CTRL_X_FUNCTION: 2851 case CTRL_X_OCCULT: 2852 num_matches = expand_by_function(type, compl_pattern, &matches); 2853 if (num_matches > 0) 2854 ins_compl_add_matches(num_matches, matches, dir); 2855 break; 2856 #endif 2857 2858 case CTRL_X_SPELL: 2859 #ifdef FEAT_SYN_HL 2860 num_matches = expand_spelling(first_match_pos.lnum, 2861 first_match_pos.col, compl_pattern, &matches); 2862 if (num_matches > 0) 2863 ins_compl_add_matches(num_matches, matches, dir); 2864 #endif 2865 break; 2866 2867 default: /* normal ^P/^N and ^X^L */ 2868 /* 2869 * If 'infercase' is set, don't use 'smartcase' here 2870 */ 2871 save_p_scs = p_scs; 2872 if (ins_buf->b_p_inf) 2873 p_scs = FALSE; 2874 2875 /* buffers other than curbuf are scanned from the beginning or the 2876 * end but never from the middle, thus setting nowrapscan in this 2877 * buffers is a good idea, on the other hand, we always set 2878 * wrapscan for curbuf to avoid missing matches -- Acevedo,Webb */ 2879 save_p_ws = p_ws; 2880 if (ins_buf != curbuf) 2881 p_ws = FALSE; 2882 else if (*e_cpt == '.') 2883 p_ws = TRUE; 2884 for (;;) 2885 { 2886 int flags = 0; 2887 2888 /* ctrl_x_mode == CTRL_X_WHOLE_LINE || word-wise search that has 2889 * added a word that was at the beginning of the line */ 2890 if ( ctrl_x_mode == CTRL_X_WHOLE_LINE 2891 || (compl_cont_status & CONT_SOL)) 2892 found_new_match = search_for_exact_line(ins_buf, pos, 2893 dir, compl_pattern); 2894 else 2895 found_new_match = searchit(NULL, ins_buf, pos, dir, 2896 compl_pattern, 1L, SEARCH_KEEP + SEARCH_NFMSG, 2897 RE_LAST); 2898 if (!compl_started) 2899 { 2900 /* set compl_started even on fail */ 2901 compl_started = TRUE; 2902 first_match_pos = *pos; 2903 last_match_pos = *pos; 2904 } 2905 else if (first_match_pos.lnum == last_match_pos.lnum 2906 && first_match_pos.col == last_match_pos.col) 2907 found_new_match = FAIL; 2908 if (found_new_match == FAIL) 2909 { 2910 if (ins_buf == curbuf) 2911 found_all = TRUE; 2912 break; 2913 } 2914 2915 /* when ADDING, the text before the cursor matches, skip it */ 2916 if ( (compl_cont_status & CONT_ADDING) && ins_buf == curbuf 2917 && ini->lnum == pos->lnum 2918 && ini->col == pos->col) 2919 continue; 2920 ptr = ml_get_buf(ins_buf, pos->lnum, FALSE) + pos->col; 2921 if (ctrl_x_mode == CTRL_X_WHOLE_LINE) 2922 { 2923 if (compl_cont_status & CONT_ADDING) 2924 { 2925 if (pos->lnum >= ins_buf->b_ml.ml_line_count) 2926 continue; 2927 ptr = ml_get_buf(ins_buf, pos->lnum + 1, FALSE); 2928 if (!p_paste) 2929 ptr = skipwhite(ptr); 2930 } 2931 len = (int)STRLEN(ptr); 2932 } 2933 else 2934 { 2935 char_u *tmp_ptr = ptr; 2936 2937 if (compl_cont_status & CONT_ADDING) 2938 { 2939 tmp_ptr += compl_length; 2940 /* Skip if already inside a word. */ 2941 if (vim_iswordp(tmp_ptr)) 2942 continue; 2943 /* Find start of next word. */ 2944 tmp_ptr = find_word_start(tmp_ptr); 2945 } 2946 /* Find end of this word. */ 2947 tmp_ptr = find_word_end(tmp_ptr); 2948 len = (int)(tmp_ptr - ptr); 2949 2950 if ((compl_cont_status & CONT_ADDING) 2951 && len == compl_length) 2952 { 2953 if (pos->lnum < ins_buf->b_ml.ml_line_count) 2954 { 2955 /* Try next line, if any. the new word will be 2956 * "join" as if the normal command "J" was used. 2957 * IOSIZE is always greater than 2958 * compl_length, so the next STRNCPY always 2959 * works -- Acevedo */ 2960 STRNCPY(IObuff, ptr, len); 2961 ptr = ml_get_buf(ins_buf, pos->lnum + 1, FALSE); 2962 tmp_ptr = ptr = skipwhite(ptr); 2963 /* Find start of next word. */ 2964 tmp_ptr = find_word_start(tmp_ptr); 2965 /* Find end of next word. */ 2966 tmp_ptr = find_word_end(tmp_ptr); 2967 if (tmp_ptr > ptr) 2968 { 2969 if (*ptr != ')' && IObuff[len - 1] != TAB) 2970 { 2971 if (IObuff[len - 1] != ' ') 2972 IObuff[len++] = ' '; 2973 /* IObuf =~ "\k.* ", thus len >= 2 */ 2974 if (p_js 2975 && (IObuff[len - 2] == '.' 2976 || (vim_strchr(p_cpo, CPO_JOINSP) 2977 == NULL 2978 && (IObuff[len - 2] == '?' 2979 || IObuff[len - 2] == '!')))) 2980 IObuff[len++] = ' '; 2981 } 2982 /* copy as much as posible of the new word */ 2983 if (tmp_ptr - ptr >= IOSIZE - len) 2984 tmp_ptr = ptr + IOSIZE - len - 1; 2985 STRNCPY(IObuff + len, ptr, tmp_ptr - ptr); 2986 len += (int)(tmp_ptr - ptr); 2987 flags |= CONT_S_IPOS; 2988 } 2989 IObuff[len] = NUL; 2990 ptr = IObuff; 2991 } 2992 if (len == compl_length) 2993 continue; 2994 } 2995 } 2996 if (ins_compl_add_infercase(ptr, len, 2997 ins_buf == curbuf ? NULL : ins_buf->b_sfname, 2998 dir, flags) != NOTDONE) 2999 { 3000 found_new_match = OK; 3001 break; 3002 } 3003 } 3004 p_scs = save_p_scs; 3005 p_ws = save_p_ws; 3006 } 3007 /* check if compl_curr_match has changed, (e.g. other type of 3008 * expansion added somenthing) */ 3009 if (compl_curr_match != old_match) 3010 found_new_match = OK; 3011 3012 /* break the loop for specialized modes (use 'complete' just for the 3013 * generic ctrl_x_mode == 0) or when we've found a new match */ 3014 if ((ctrl_x_mode != 0 && ctrl_x_mode != CTRL_X_WHOLE_LINE) 3015 || found_new_match != FAIL) 3016 break; 3017 3018 /* Mark a buffer scanned when it has been scanned completely */ 3019 if (type == 0 || type == CTRL_X_PATH_PATTERNS) 3020 ins_buf->b_scanned = TRUE; 3021 3022 compl_started = FALSE; 3023 } 3024 compl_started = TRUE; 3025 3026 if ((ctrl_x_mode == 0 || ctrl_x_mode == CTRL_X_WHOLE_LINE) 3027 && *e_cpt == NUL) /* Got to end of 'complete' */ 3028 found_new_match = FAIL; 3029 3030 i = -1; /* total of matches, unknown */ 3031 if (found_new_match == FAIL 3032 || (ctrl_x_mode != 0 && ctrl_x_mode != CTRL_X_WHOLE_LINE)) 3033 i = ins_compl_make_cyclic(); 3034 3035 /* If several matches were added (FORWARD) or the search failed and has 3036 * just been made cyclic then we have to move compl_curr_match to the next 3037 * or previous entry (if any) -- Acevedo */ 3038 compl_curr_match = dir == FORWARD ? old_match->cp_next : old_match->cp_prev; 3039 if (compl_curr_match == NULL) 3040 compl_curr_match = old_match; 3041 return i; 3042 } 3043 3044 /* Delete the old text being completed. */ 3045 static void 3046 ins_compl_delete() 3047 { 3048 int i; 3049 3050 /* 3051 * In insert mode: Delete the typed part. 3052 * In replace mode: Put the old characters back, if any. 3053 */ 3054 i = compl_col + (compl_cont_status & CONT_ADDING ? compl_length : 0); 3055 backspace_until_column(i); 3056 changed_cline_bef_curs(); 3057 } 3058 3059 /* Insert the new text being completed. */ 3060 static void 3061 ins_compl_insert() 3062 { 3063 ins_bytes(compl_shown_match->cp_str + curwin->w_cursor.col - compl_col); 3064 } 3065 3066 /* 3067 * Fill in the next completion in the current direction. 3068 * If "allow_get_expansion" is TRUE, then we may call ins_compl_get_exp() to 3069 * get more completions. If it is FALSE, then we just do nothing when there 3070 * are no more completions in a given direction. The latter case is used when 3071 * we are still in the middle of finding completions, to allow browsing 3072 * through the ones found so far. 3073 * Return the total number of matches, or -1 if still unknown -- webb. 3074 * 3075 * compl_curr_match is currently being used by ins_compl_get_exp(), so we use 3076 * compl_shown_match here. 3077 * 3078 * Note that this function may be called recursively once only. First with 3079 * "allow_get_expansion" TRUE, which calls ins_compl_get_exp(), which in turn 3080 * calls this function with "allow_get_expansion" FALSE. 3081 */ 3082 static int 3083 ins_compl_next(allow_get_expansion) 3084 int allow_get_expansion; 3085 { 3086 int num_matches = -1; 3087 int i; 3088 3089 if (allow_get_expansion) 3090 { 3091 /* Delete old text to be replaced */ 3092 ins_compl_delete(); 3093 } 3094 compl_pending = FALSE; 3095 if (compl_shows_dir == FORWARD && compl_shown_match->cp_next != NULL) 3096 compl_shown_match = compl_shown_match->cp_next; 3097 else if (compl_shows_dir == BACKWARD && compl_shown_match->cp_prev != NULL) 3098 compl_shown_match = compl_shown_match->cp_prev; 3099 else 3100 { 3101 compl_pending = TRUE; 3102 if (allow_get_expansion) 3103 { 3104 num_matches = ins_compl_get_exp(&compl_startpos, 3105 compl_direction); 3106 if (compl_pending) 3107 { 3108 if (compl_direction == compl_shows_dir) 3109 compl_shown_match = compl_curr_match; 3110 } 3111 } 3112 else 3113 return -1; 3114 } 3115 3116 /* Insert the text of the new completion */ 3117 ins_compl_insert(); 3118 3119 if (!allow_get_expansion) 3120 { 3121 /* Display the current match. */ 3122 update_screen(0); 3123 3124 /* Delete old text to be replaced, since we're still searching and 3125 * don't want to match ourselves! */ 3126 ins_compl_delete(); 3127 } 3128 3129 /* 3130 * Show the file name for the match (if any) 3131 * Truncate the file name to avoid a wait for return. 3132 */ 3133 if (compl_shown_match->cp_fname != NULL) 3134 { 3135 STRCPY(IObuff, "match in file "); 3136 i = (vim_strsize(compl_shown_match->cp_fname) + 16) - sc_col; 3137 if (i <= 0) 3138 i = 0; 3139 else 3140 STRCAT(IObuff, "<"); 3141 STRCAT(IObuff, compl_shown_match->cp_fname + i); 3142 msg(IObuff); 3143 redraw_cmdline = FALSE; /* don't overwrite! */ 3144 } 3145 3146 return num_matches; 3147 } 3148 3149 /* 3150 * Call this while finding completions, to check whether the user has hit a key 3151 * that should change the currently displayed completion, or exit completion 3152 * mode. Also, when compl_pending is TRUE, show a completion as soon as 3153 * possible. -- webb 3154 * "frequency" specifies out of how many calls we actually check. 3155 */ 3156 void 3157 ins_compl_check_keys(frequency) 3158 int frequency; 3159 { 3160 static int count = 0; 3161 3162 int c; 3163 3164 /* Don't check when reading keys from a script. That would break the test 3165 * scripts */ 3166 if (using_script()) 3167 return; 3168 3169 /* Only do this at regular intervals */ 3170 if (++count < frequency) 3171 return; 3172 count = 0; 3173 3174 ++no_mapping; 3175 c = vpeekc_any(); 3176 --no_mapping; 3177 if (c != NUL) 3178 { 3179 if (vim_is_ctrl_x_key(c) && c != Ctrl_X && c != Ctrl_R) 3180 { 3181 c = safe_vgetc(); /* Eat the character */ 3182 if (c == Ctrl_P || c == Ctrl_L) 3183 compl_shows_dir = BACKWARD; 3184 else 3185 compl_shows_dir = FORWARD; 3186 (void)ins_compl_next(FALSE); 3187 } 3188 else if (c != Ctrl_R) 3189 compl_interrupted = TRUE; 3190 } 3191 if (compl_pending && !got_int) 3192 (void)ins_compl_next(FALSE); 3193 } 3194 3195 /* 3196 * Do Insert mode completion. 3197 * Called when character "c" was typed, which has a meaning for completion. 3198 * Returns OK if completion was done, FAIL if something failed (out of mem). 3199 */ 3200 static int 3201 ins_complete(c) 3202 int c; 3203 { 3204 char_u *line; 3205 int startcol = 0; /* column where searched text starts */ 3206 colnr_T curs_col; /* cursor column */ 3207 int n; 3208 3209 if (c == Ctrl_P || c == Ctrl_L) 3210 compl_direction = BACKWARD; 3211 else 3212 compl_direction = FORWARD; 3213 if (!compl_started) 3214 { 3215 /* First time we hit ^N or ^P (in a row, I mean) */ 3216 3217 /* Turn off 'sm' so we don't show matches with ^X^L */ 3218 save_sm = p_sm; 3219 p_sm = FALSE; 3220 3221 did_ai = FALSE; 3222 #ifdef FEAT_SMARTINDENT 3223 did_si = FALSE; 3224 can_si = FALSE; 3225 can_si_back = FALSE; 3226 #endif 3227 if (stop_arrow() == FAIL) 3228 return FAIL; 3229 3230 line = ml_get(curwin->w_cursor.lnum); 3231 curs_col = curwin->w_cursor.col; 3232 3233 /* if this same ctrl_x_mode has been interrupted use the text from 3234 * "compl_startpos" to the cursor as a pattern to add a new word 3235 * instead of expand the one before the cursor, in word-wise if 3236 * "compl_startpos" 3237 * is not in the same line as the cursor then fix it (the line has 3238 * been split because it was longer than 'tw'). if SOL is set then 3239 * skip the previous pattern, a word at the beginning of the line has 3240 * been inserted, we'll look for that -- Acevedo. */ 3241 if ((compl_cont_status & CONT_INTRPT) && compl_cont_mode == ctrl_x_mode) 3242 { 3243 /* 3244 * it is a continued search 3245 */ 3246 compl_cont_status &= ~CONT_INTRPT; /* remove INTRPT */ 3247 if (ctrl_x_mode == 0 || ctrl_x_mode == CTRL_X_PATH_PATTERNS 3248 || ctrl_x_mode == CTRL_X_PATH_DEFINES) 3249 { 3250 if (compl_startpos.lnum != curwin->w_cursor.lnum) 3251 { 3252 /* line (probably) wrapped, set compl_startpos to the 3253 * first non_blank in the line, if it is not a wordchar 3254 * include it to get a better pattern, but then we don't 3255 * want the "\\<" prefix, check it bellow */ 3256 compl_col = (colnr_T)(skipwhite(line) - line); 3257 compl_startpos.col = compl_col; 3258 compl_startpos.lnum = curwin->w_cursor.lnum; 3259 compl_cont_status &= ~CONT_SOL; /* clear SOL if present */ 3260 } 3261 else 3262 { 3263 /* S_IPOS was set when we inserted a word that was at the 3264 * beginning of the line, which means that we'll go to SOL 3265 * mode but first we need to redefine compl_startpos */ 3266 if (compl_cont_status & CONT_S_IPOS) 3267 { 3268 compl_cont_status |= CONT_SOL; 3269 compl_startpos.col = (colnr_T)(skipwhite( 3270 line + compl_length 3271 + compl_startpos.col) - line); 3272 } 3273 compl_col = compl_startpos.col; 3274 } 3275 compl_length = curwin->w_cursor.col - (int)compl_col; 3276 /* IObuff is used to add a "word from the next line" would we 3277 * have enough space? just being paranoic */ 3278 #define MIN_SPACE 75 3279 if (compl_length > (IOSIZE - MIN_SPACE)) 3280 { 3281 compl_cont_status &= ~CONT_SOL; 3282 compl_length = (IOSIZE - MIN_SPACE); 3283 compl_col = curwin->w_cursor.col - compl_length; 3284 } 3285 compl_cont_status |= CONT_ADDING | CONT_N_ADDS; 3286 if (compl_length < 1) 3287 compl_cont_status &= CONT_LOCAL; 3288 } 3289 else if (ctrl_x_mode == CTRL_X_WHOLE_LINE) 3290 compl_cont_status = CONT_ADDING | CONT_N_ADDS; 3291 else 3292 compl_cont_status = 0; 3293 } 3294 else 3295 compl_cont_status &= CONT_LOCAL; 3296 3297 if (!(compl_cont_status & CONT_ADDING)) /* normal expansion */ 3298 { 3299 compl_cont_mode = ctrl_x_mode; 3300 if (ctrl_x_mode != 0) /* Remove LOCAL if ctrl_x_mode != 0 */ 3301 compl_cont_status = 0; 3302 compl_cont_status |= CONT_N_ADDS; 3303 compl_startpos = curwin->w_cursor; 3304 startcol = (int)curs_col; 3305 compl_col = 0; 3306 } 3307 3308 /* Work out completion pattern and original text -- webb */ 3309 if (ctrl_x_mode == 0 || (ctrl_x_mode & CTRL_X_WANT_IDENT)) 3310 { 3311 if ((compl_cont_status & CONT_SOL) 3312 || ctrl_x_mode == CTRL_X_PATH_DEFINES) 3313 { 3314 if (!(compl_cont_status & CONT_ADDING)) 3315 { 3316 while (--startcol >= 0 && vim_isIDc(line[startcol])) 3317 ; 3318 compl_col += ++startcol; 3319 compl_length = curs_col - startcol; 3320 } 3321 if (p_ic) 3322 compl_pattern = str_foldcase(line + compl_col, 3323 compl_length, NULL, 0); 3324 else 3325 compl_pattern = vim_strnsave(line + compl_col, 3326 compl_length); 3327 if (compl_pattern == NULL) 3328 return FAIL; 3329 } 3330 else if (compl_cont_status & CONT_ADDING) 3331 { 3332 char_u *prefix = (char_u *)"\\<"; 3333 3334 /* we need 3 extra chars, 1 for the NUL and 3335 * 2 >= strlen(prefix) -- Acevedo */ 3336 compl_pattern = alloc(quote_meta(NULL, line + compl_col, 3337 compl_length) + 3); 3338 if (compl_pattern == NULL) 3339 return FAIL; 3340 if (!vim_iswordp(line + compl_col) 3341 || (compl_col > 0 3342 && ( 3343 #ifdef FEAT_MBYTE 3344 vim_iswordp(mb_prevptr(line, line + compl_col)) 3345 #else 3346 vim_iswordc(line[compl_col - 1]) 3347 #endif 3348 ))) 3349 prefix = (char_u *)""; 3350 STRCPY((char *)compl_pattern, prefix); 3351 (void)quote_meta(compl_pattern + STRLEN(prefix), 3352 line + compl_col, compl_length); 3353 } 3354 else if (--startcol < 0 || 3355 #ifdef FEAT_MBYTE 3356 !vim_iswordp(mb_prevptr(line, line + startcol + 1)) 3357 #else 3358 !vim_iswordc(line[startcol]) 3359 #endif 3360 ) 3361 { 3362 /* Match any word of at least two chars */ 3363 compl_pattern = vim_strsave((char_u *)"\\<\\k\\k"); 3364 if (compl_pattern == NULL) 3365 return FAIL; 3366 compl_col += curs_col; 3367 compl_length = 0; 3368 } 3369 else 3370 { 3371 #ifdef FEAT_MBYTE 3372 /* Search the point of change class of multibyte character 3373 * or not a word single byte character backward. */ 3374 if (has_mbyte) 3375 { 3376 int base_class; 3377 int head_off; 3378 3379 startcol -= (*mb_head_off)(line, line + startcol); 3380 base_class = mb_get_class(line + startcol); 3381 while (--startcol >= 0) 3382 { 3383 head_off = (*mb_head_off)(line, line + startcol); 3384 if (base_class != mb_get_class(line + startcol 3385 - head_off)) 3386 break; 3387 startcol -= head_off; 3388 } 3389 } 3390 else 3391 #endif 3392 while (--startcol >= 0 && vim_iswordc(line[startcol])) 3393 ; 3394 compl_col += ++startcol; 3395 compl_length = (int)curs_col - startcol; 3396 if (compl_length == 1) 3397 { 3398 /* Only match word with at least two chars -- webb 3399 * there's no need to call quote_meta, 3400 * alloc(7) is enough -- Acevedo 3401 */ 3402 compl_pattern = alloc(7); 3403 if (compl_pattern == NULL) 3404 return FAIL; 3405 STRCPY((char *)compl_pattern, "\\<"); 3406 (void)quote_meta(compl_pattern + 2, line + compl_col, 1); 3407 STRCAT((char *)compl_pattern, "\\k"); 3408 } 3409 else 3410 { 3411 compl_pattern = alloc(quote_meta(NULL, line + compl_col, 3412 compl_length) + 3); 3413 if (compl_pattern == NULL) 3414 return FAIL; 3415 STRCPY((char *)compl_pattern, "\\<"); 3416 (void)quote_meta(compl_pattern + 2, line + compl_col, 3417 compl_length); 3418 } 3419 } 3420 } 3421 else if (ctrl_x_mode == CTRL_X_WHOLE_LINE) 3422 { 3423 compl_col = skipwhite(line) - line; 3424 compl_length = (int)curs_col - (int)compl_col; 3425 if (compl_length < 0) /* cursor in indent: empty pattern */ 3426 compl_length = 0; 3427 if (p_ic) 3428 compl_pattern = str_foldcase(line + compl_col, compl_length, 3429 NULL, 0); 3430 else 3431 compl_pattern = vim_strnsave(line + compl_col, compl_length); 3432 if (compl_pattern == NULL) 3433 return FAIL; 3434 } 3435 else if (ctrl_x_mode == CTRL_X_FILES) 3436 { 3437 while (--startcol >= 0 && vim_isfilec(line[startcol])) 3438 ; 3439 compl_col += ++startcol; 3440 compl_length = (int)curs_col - startcol; 3441 compl_pattern = addstar(line + compl_col, compl_length, 3442 EXPAND_FILES); 3443 if (compl_pattern == NULL) 3444 return FAIL; 3445 } 3446 else if (ctrl_x_mode == CTRL_X_CMDLINE) 3447 { 3448 compl_pattern = vim_strnsave(line, curs_col); 3449 if (compl_pattern == NULL) 3450 return FAIL; 3451 set_cmd_context(&compl_xp, compl_pattern, 3452 (int)STRLEN(compl_pattern), curs_col); 3453 if (compl_xp.xp_context == EXPAND_UNSUCCESSFUL 3454 || compl_xp.xp_context == EXPAND_NOTHING) 3455 return FAIL; 3456 startcol = (int)(compl_xp.xp_pattern - compl_pattern); 3457 compl_col = startcol; 3458 compl_length = curs_col - startcol; 3459 } 3460 else if (ctrl_x_mode == CTRL_X_FUNCTION || ctrl_x_mode == CTRL_X_OCCULT) 3461 { 3462 #ifdef FEAT_COMPL_FUNC 3463 /* 3464 * Call user defined function 'completefunc' with "a:findstart" 3465 * set to 1 to obtain the length of text to use for completion. 3466 */ 3467 char_u *args[2]; 3468 int col; 3469 char_u *funcname; 3470 pos_T pos; 3471 3472 /* Call 'completefunc' or 'occultfunc' and get pattern length as a 3473 * string */ 3474 funcname = ctrl_x_mode == CTRL_X_FUNCTION 3475 ? curbuf->b_p_cfu : curbuf->b_p_ofu; 3476 if (*funcname == NUL) 3477 return FAIL; 3478 3479 args[0] = (char_u *)"1"; 3480 args[1] = NULL; 3481 pos = curwin->w_cursor; 3482 col = call_func_retnr(funcname, 2, args, FALSE); 3483 curwin->w_cursor = pos; /* restore the cursor position */ 3484 3485 if (col < 0) 3486 return FAIL; 3487 compl_col = col; 3488 if ((colnr_T)compl_col > curs_col) 3489 compl_col = curs_col; 3490 3491 /* Setup variables for completion. Need to obtain "line" again, 3492 * it may have become invalid. */ 3493 line = ml_get(curwin->w_cursor.lnum); 3494 compl_length = curs_col - compl_col; 3495 compl_pattern = vim_strnsave(line + compl_col, compl_length); 3496 if (compl_pattern == NULL) 3497 #endif 3498 return FAIL; 3499 } 3500 else if (ctrl_x_mode == CTRL_X_SPELL) 3501 { 3502 #ifdef FEAT_SYN_HL 3503 if (spell_bad_len > 0) 3504 compl_col = curs_col - spell_bad_len; 3505 else 3506 compl_col = spell_word_start(startcol); 3507 if (compl_col >= (colnr_T)startcol) 3508 return FAIL; 3509 compl_length = (int)curs_col - compl_col; 3510 compl_pattern = vim_strnsave(line + compl_col, compl_length); 3511 if (compl_pattern == NULL) 3512 #endif 3513 return FAIL; 3514 } 3515 else 3516 { 3517 EMSG2(_(e_intern2), "ins_complete()"); 3518 return FAIL; 3519 } 3520 3521 if (compl_cont_status & CONT_ADDING) 3522 { 3523 edit_submode_pre = (char_u *)_(" Adding"); 3524 if (ctrl_x_mode == CTRL_X_WHOLE_LINE) 3525 { 3526 /* Insert a new line, keep indentation but ignore 'comments' */ 3527 #ifdef FEAT_COMMENTS 3528 char_u *old = curbuf->b_p_com; 3529 3530 curbuf->b_p_com = (char_u *)""; 3531 #endif 3532 compl_startpos.lnum = curwin->w_cursor.lnum; 3533 compl_startpos.col = compl_col; 3534 ins_eol('\r'); 3535 #ifdef FEAT_COMMENTS 3536 curbuf->b_p_com = old; 3537 #endif 3538 compl_length = 0; 3539 compl_col = curwin->w_cursor.col; 3540 } 3541 } 3542 else 3543 { 3544 edit_submode_pre = NULL; 3545 compl_startpos.col = compl_col; 3546 } 3547 3548 if (compl_cont_status & CONT_LOCAL) 3549 edit_submode = (char_u *)_(ctrl_x_msgs[CTRL_X_LOCAL_MSG]); 3550 else 3551 edit_submode = (char_u *)_(CTRL_X_MSG(ctrl_x_mode)); 3552 3553 /* Always add completion for the original text. Note that 3554 * "compl_orig_text" itself (not a copy) is added, it will be freed 3555 * when the list of matches is freed. */ 3556 compl_orig_text = vim_strnsave(line + compl_col, compl_length); 3557 if (compl_orig_text == NULL || ins_compl_add(compl_orig_text, 3558 -1, NULL, 0, ORIGINAL_TEXT) != OK) 3559 { 3560 vim_free(compl_pattern); 3561 compl_pattern = NULL; 3562 vim_free(compl_orig_text); 3563 compl_orig_text = NULL; 3564 return FAIL; 3565 } 3566 3567 /* showmode might reset the internal line pointers, so it must 3568 * be called before line = ml_get(), or when this address is no 3569 * longer needed. -- Acevedo. 3570 */ 3571 edit_submode_extra = (char_u *)_("-- Searching..."); 3572 edit_submode_highl = HLF_COUNT; 3573 showmode(); 3574 edit_submode_extra = NULL; 3575 out_flush(); 3576 } 3577 3578 compl_shown_match = compl_curr_match; 3579 compl_shows_dir = compl_direction; 3580 3581 /* 3582 * Find next match. 3583 */ 3584 n = ins_compl_next(TRUE); 3585 3586 if (n > 1) /* all matches have been found */ 3587 compl_matches = n; 3588 compl_curr_match = compl_shown_match; 3589 compl_direction = compl_shows_dir; 3590 compl_interrupted = FALSE; 3591 3592 /* eat the ESC to avoid leaving insert mode */ 3593 if (got_int && !global_busy) 3594 { 3595 (void)vgetc(); 3596 got_int = FALSE; 3597 } 3598 3599 /* we found no match if the list has only the "compl_orig_text"-entry */ 3600 if (compl_first_match == compl_first_match->cp_next) 3601 { 3602 edit_submode_extra = (compl_cont_status & CONT_ADDING) 3603 && compl_length > 1 3604 ? (char_u *)_(e_hitend) : (char_u *)_(e_patnotf); 3605 edit_submode_highl = HLF_E; 3606 /* remove N_ADDS flag, so next ^X<> won't try to go to ADDING mode, 3607 * because we couldn't expand anything at first place, but if we used 3608 * ^P, ^N, ^X^I or ^X^D we might want to add-expand a single-char-word 3609 * (such as M in M'exico) if not tried already. -- Acevedo */ 3610 if ( compl_length > 1 3611 || (compl_cont_status & CONT_ADDING) 3612 || (ctrl_x_mode != 0 3613 && ctrl_x_mode != CTRL_X_PATH_PATTERNS 3614 && ctrl_x_mode != CTRL_X_PATH_DEFINES)) 3615 compl_cont_status &= ~CONT_N_ADDS; 3616 } 3617 3618 if (compl_curr_match->cp_flags & CONT_S_IPOS) 3619 compl_cont_status |= CONT_S_IPOS; 3620 else 3621 compl_cont_status &= ~CONT_S_IPOS; 3622 3623 if (edit_submode_extra == NULL) 3624 { 3625 if (compl_curr_match->cp_flags & ORIGINAL_TEXT) 3626 { 3627 edit_submode_extra = (char_u *)_("Back at original"); 3628 edit_submode_highl = HLF_W; 3629 } 3630 else if (compl_cont_status & CONT_S_IPOS) 3631 { 3632 edit_submode_extra = (char_u *)_("Word from other line"); 3633 edit_submode_highl = HLF_COUNT; 3634 } 3635 else if (compl_curr_match->cp_next == compl_curr_match->cp_prev) 3636 { 3637 edit_submode_extra = (char_u *)_("The only match"); 3638 edit_submode_highl = HLF_COUNT; 3639 } 3640 else 3641 { 3642 /* Update completion sequence number when needed. */ 3643 if (compl_curr_match->cp_number == -1) 3644 { 3645 int number = 0; 3646 compl_T *match; 3647 3648 if (compl_direction == FORWARD) 3649 { 3650 /* search backwards for the first valid (!= -1) number. 3651 * This should normally succeed already at the first loop 3652 * cycle, so it's fast! */ 3653 for (match = compl_curr_match->cp_prev; match != NULL 3654 && match != compl_first_match; 3655 match = match->cp_prev) 3656 if (match->cp_number != -1) 3657 { 3658 number = match->cp_number; 3659 break; 3660 } 3661 if (match != NULL) 3662 /* go up and assign all numbers which are not assigned 3663 * yet */ 3664 for (match = match->cp_next; match 3665 && match->cp_number == -1; 3666 match = match->cp_next) 3667 match->cp_number = ++number; 3668 } 3669 else /* BACKWARD */ 3670 { 3671 /* search forwards (upwards) for the first valid (!= -1) 3672 * number. This should normally succeed already at the 3673 * first loop cycle, so it's fast! */ 3674 for (match = compl_curr_match->cp_next; match != NULL 3675 && match != compl_first_match; 3676 match = match->cp_next) 3677 if (match->cp_number != -1) 3678 { 3679 number = match->cp_number; 3680 break; 3681 } 3682 if (match != NULL) 3683 /* go down and assign all numbers which are not 3684 * assigned yet */ 3685 for (match = match->cp_prev; match 3686 && match->cp_number == -1; 3687 match = match->cp_prev) 3688 match->cp_number = ++number; 3689 } 3690 } 3691 3692 /* The match should always have a sequnce number now, this is just 3693 * a safety check. */ 3694 if (compl_curr_match->cp_number != -1) 3695 { 3696 /* Space for 10 text chars. + 2x10-digit no.s */ 3697 static char_u match_ref[31]; 3698 3699 if (compl_matches > 0) 3700 sprintf((char *)IObuff, _("match %d of %d"), 3701 compl_curr_match->cp_number, compl_matches); 3702 else 3703 sprintf((char *)IObuff, _("match %d"), 3704 compl_curr_match->cp_number); 3705 vim_strncpy(match_ref, IObuff, 30); 3706 edit_submode_extra = match_ref; 3707 edit_submode_highl = HLF_R; 3708 if (dollar_vcol) 3709 curs_columns(FALSE); 3710 } 3711 } 3712 } 3713 3714 /* Show a message about what (completion) mode we're in. */ 3715 showmode(); 3716 if (edit_submode_extra != NULL) 3717 { 3718 if (!p_smd) 3719 msg_attr(edit_submode_extra, 3720 edit_submode_highl < HLF_COUNT 3721 ? hl_attr(edit_submode_highl) : 0); 3722 } 3723 else 3724 msg_clr_cmdline(); /* necessary for "noshowmode" */ 3725 3726 return OK; 3727 } 3728 3729 /* 3730 * Looks in the first "len" chars. of "src" for search-metachars. 3731 * If dest is not NULL the chars. are copied there quoting (with 3732 * a backslash) the metachars, and dest would be NUL terminated. 3733 * Returns the length (needed) of dest 3734 */ 3735 static int 3736 quote_meta(dest, src, len) 3737 char_u *dest; 3738 char_u *src; 3739 int len; 3740 { 3741 int m; 3742 3743 for (m = len; --len >= 0; src++) 3744 { 3745 switch (*src) 3746 { 3747 case '.': 3748 case '*': 3749 case '[': 3750 if (ctrl_x_mode == CTRL_X_DICTIONARY 3751 || ctrl_x_mode == CTRL_X_THESAURUS) 3752 break; 3753 case '~': 3754 if (!p_magic) /* quote these only if magic is set */ 3755 break; 3756 case '\\': 3757 if (ctrl_x_mode == CTRL_X_DICTIONARY 3758 || ctrl_x_mode == CTRL_X_THESAURUS) 3759 break; 3760 case '^': /* currently it's not needed. */ 3761 case '$': 3762 m++; 3763 if (dest != NULL) 3764 *dest++ = '\\'; 3765 break; 3766 } 3767 if (dest != NULL) 3768 *dest++ = *src; 3769 # ifdef FEAT_MBYTE 3770 /* Copy remaining bytes of a multibyte character. */ 3771 if (has_mbyte) 3772 { 3773 int i, mb_len; 3774 3775 mb_len = (*mb_ptr2len)(src) - 1; 3776 if (mb_len > 0 && len >= mb_len) 3777 for (i = 0; i < mb_len; ++i) 3778 { 3779 --len; 3780 ++src; 3781 if (dest != NULL) 3782 *dest++ = *src; 3783 } 3784 } 3785 # endif 3786 } 3787 if (dest != NULL) 3788 *dest = NUL; 3789 3790 return m; 3791 } 3792 #endif /* FEAT_INS_EXPAND */ 3793 3794 /* 3795 * Next character is interpreted literally. 3796 * A one, two or three digit decimal number is interpreted as its byte value. 3797 * If one or two digits are entered, the next character is given to vungetc(). 3798 * For Unicode a character > 255 may be returned. 3799 */ 3800 int 3801 get_literal() 3802 { 3803 int cc; 3804 int nc; 3805 int i; 3806 int hex = FALSE; 3807 int octal = FALSE; 3808 #ifdef FEAT_MBYTE 3809 int unicode = 0; 3810 #endif 3811 3812 if (got_int) 3813 return Ctrl_C; 3814 3815 #ifdef FEAT_GUI 3816 /* 3817 * In GUI there is no point inserting the internal code for a special key. 3818 * It is more useful to insert the string "<KEY>" instead. This would 3819 * probably be useful in a text window too, but it would not be 3820 * vi-compatible (maybe there should be an option for it?) -- webb 3821 */ 3822 if (gui.in_use) 3823 ++allow_keys; 3824 #endif 3825 #ifdef USE_ON_FLY_SCROLL 3826 dont_scroll = TRUE; /* disallow scrolling here */ 3827 #endif 3828 ++no_mapping; /* don't map the next key hits */ 3829 cc = 0; 3830 i = 0; 3831 for (;;) 3832 { 3833 do 3834 nc = safe_vgetc(); 3835 while (nc == K_IGNORE || nc == K_VER_SCROLLBAR 3836 || nc == K_HOR_SCROLLBAR); 3837 #ifdef FEAT_CMDL_INFO 3838 if (!(State & CMDLINE) 3839 # ifdef FEAT_MBYTE 3840 && MB_BYTE2LEN_CHECK(nc) == 1 3841 # endif 3842 ) 3843 add_to_showcmd(nc); 3844 #endif 3845 if (nc == 'x' || nc == 'X') 3846 hex = TRUE; 3847 else if (nc == 'o' || nc == 'O') 3848 octal = TRUE; 3849 #ifdef FEAT_MBYTE 3850 else if (nc == 'u' || nc == 'U') 3851 unicode = nc; 3852 #endif 3853 else 3854 { 3855 if (hex 3856 #ifdef FEAT_MBYTE 3857 || unicode != 0 3858 #endif 3859 ) 3860 { 3861 if (!vim_isxdigit(nc)) 3862 break; 3863 cc = cc * 16 + hex2nr(nc); 3864 } 3865 else if (octal) 3866 { 3867 if (nc < '0' || nc > '7') 3868 break; 3869 cc = cc * 8 + nc - '0'; 3870 } 3871 else 3872 { 3873 if (!VIM_ISDIGIT(nc)) 3874 break; 3875 cc = cc * 10 + nc - '0'; 3876 } 3877 3878 ++i; 3879 } 3880 3881 if (cc > 255 3882 #ifdef FEAT_MBYTE 3883 && unicode == 0 3884 #endif 3885 ) 3886 cc = 255; /* limit range to 0-255 */ 3887 nc = 0; 3888 3889 if (hex) /* hex: up to two chars */ 3890 { 3891 if (i >= 2) 3892 break; 3893 } 3894 #ifdef FEAT_MBYTE 3895 else if (unicode) /* Unicode: up to four or eight chars */ 3896 { 3897 if ((unicode == 'u' && i >= 4) || (unicode == 'U' && i >= 8)) 3898 break; 3899 } 3900 #endif 3901 else if (i >= 3) /* decimal or octal: up to three chars */ 3902 break; 3903 } 3904 if (i == 0) /* no number entered */ 3905 { 3906 if (nc == K_ZERO) /* NUL is stored as NL */ 3907 { 3908 cc = '\n'; 3909 nc = 0; 3910 } 3911 else 3912 { 3913 cc = nc; 3914 nc = 0; 3915 } 3916 } 3917 3918 if (cc == 0) /* NUL is stored as NL */ 3919 cc = '\n'; 3920 #ifdef FEAT_MBYTE 3921 if (enc_dbcs && (cc & 0xff) == 0) 3922 cc = '?'; /* don't accept an illegal DBCS char, the NUL in the 3923 second byte will cause trouble! */ 3924 #endif 3925 3926 --no_mapping; 3927 #ifdef FEAT_GUI 3928 if (gui.in_use) 3929 --allow_keys; 3930 #endif 3931 if (nc) 3932 vungetc(nc); 3933 got_int = FALSE; /* CTRL-C typed after CTRL-V is not an interrupt */ 3934 return cc; 3935 } 3936 3937 /* 3938 * Insert character, taking care of special keys and mod_mask 3939 */ 3940 static void 3941 insert_special(c, allow_modmask, ctrlv) 3942 int c; 3943 int allow_modmask; 3944 int ctrlv; /* c was typed after CTRL-V */ 3945 { 3946 char_u *p; 3947 int len; 3948 3949 /* 3950 * Special function key, translate into "<Key>". Up to the last '>' is 3951 * inserted with ins_str(), so as not to replace characters in replace 3952 * mode. 3953 * Only use mod_mask for special keys, to avoid things like <S-Space>, 3954 * unless 'allow_modmask' is TRUE. 3955 */ 3956 #ifdef MACOS 3957 /* Command-key never produces a normal key */ 3958 if (mod_mask & MOD_MASK_CMD) 3959 allow_modmask = TRUE; 3960 #endif 3961 if (IS_SPECIAL(c) || (mod_mask && allow_modmask)) 3962 { 3963 p = get_special_key_name(c, mod_mask); 3964 len = (int)STRLEN(p); 3965 c = p[len - 1]; 3966 if (len > 2) 3967 { 3968 if (stop_arrow() == FAIL) 3969 return; 3970 p[len - 1] = NUL; 3971 ins_str(p); 3972 AppendToRedobuffLit(p); 3973 ctrlv = FALSE; 3974 } 3975 } 3976 if (stop_arrow() == OK) 3977 insertchar(c, ctrlv ? INSCHAR_CTRLV : 0, -1); 3978 } 3979 3980 /* 3981 * Special characters in this context are those that need processing other 3982 * than the simple insertion that can be performed here. This includes ESC 3983 * which terminates the insert, and CR/NL which need special processing to 3984 * open up a new line. This routine tries to optimize insertions performed by 3985 * the "redo", "undo" or "put" commands, so it needs to know when it should 3986 * stop and defer processing to the "normal" mechanism. 3987 * '0' and '^' are special, because they can be followed by CTRL-D. 3988 */ 3989 #ifdef EBCDIC 3990 # define ISSPECIAL(c) ((c) < ' ' || (c) == '0' || (c) == '^') 3991 #else 3992 # define ISSPECIAL(c) ((c) < ' ' || (c) >= DEL || (c) == '0' || (c) == '^') 3993 #endif 3994 3995 #ifdef FEAT_MBYTE 3996 # define WHITECHAR(cc) (vim_iswhite(cc) && (!enc_utf8 || !utf_iscomposing(utf_ptr2char(ml_get_cursor() + 1)))) 3997 #else 3998 # define WHITECHAR(cc) vim_iswhite(cc) 3999 #endif 4000 4001 void 4002 insertchar(c, flags, second_indent) 4003 int c; /* character to insert or NUL */ 4004 int flags; /* INSCHAR_FORMAT, etc. */ 4005 int second_indent; /* indent for second line if >= 0 */ 4006 { 4007 int haveto_redraw = FALSE; 4008 int textwidth; 4009 #ifdef FEAT_COMMENTS 4010 colnr_T leader_len; 4011 char_u *p; 4012 int no_leader = FALSE; 4013 int do_comments = (flags & INSCHAR_DO_COM); 4014 #endif 4015 int fo_white_par; 4016 int first_line = TRUE; 4017 int fo_ins_blank; 4018 #ifdef FEAT_MBYTE 4019 int fo_multibyte; 4020 #endif 4021 int save_char = NUL; 4022 int cc; 4023 4024 textwidth = comp_textwidth(flags & INSCHAR_FORMAT); 4025 fo_ins_blank = has_format_option(FO_INS_BLANK); 4026 #ifdef FEAT_MBYTE 4027 fo_multibyte = has_format_option(FO_MBYTE_BREAK); 4028 #endif 4029 fo_white_par = has_format_option(FO_WHITE_PAR); 4030 4031 /* 4032 * Try to break the line in two or more pieces when: 4033 * - Always do this if we have been called to do formatting only. 4034 * - Always do this when 'formatoptions' has the 'a' flag and the line 4035 * ends in white space. 4036 * - Otherwise: 4037 * - Don't do this if inserting a blank 4038 * - Don't do this if an existing character is being replaced, unless 4039 * we're in VREPLACE mode. 4040 * - Do this if the cursor is not on the line where insert started 4041 * or - 'formatoptions' doesn't have 'l' or the line was not too long 4042 * before the insert. 4043 * - 'formatoptions' doesn't have 'b' or a blank was inserted at or 4044 * before 'textwidth' 4045 */ 4046 if (textwidth 4047 && ((flags & INSCHAR_FORMAT) 4048 || (!vim_iswhite(c) 4049 && !((State & REPLACE_FLAG) 4050 #ifdef FEAT_VREPLACE 4051 && !(State & VREPLACE_FLAG) 4052 #endif 4053 && *ml_get_cursor() != NUL) 4054 && (curwin->w_cursor.lnum != Insstart.lnum 4055 || ((!has_format_option(FO_INS_LONG) 4056 || Insstart_textlen <= (colnr_T)textwidth) 4057 && (!fo_ins_blank 4058 || Insstart_blank_vcol <= (colnr_T)textwidth 4059 )))))) 4060 { 4061 /* 4062 * When 'ai' is off we don't want a space under the cursor to be 4063 * deleted. Replace it with an 'x' temporarily. 4064 */ 4065 if (!curbuf->b_p_ai) 4066 { 4067 cc = gchar_cursor(); 4068 if (vim_iswhite(cc)) 4069 { 4070 save_char = cc; 4071 pchar_cursor('x'); 4072 } 4073 } 4074 4075 /* 4076 * Repeat breaking lines, until the current line is not too long. 4077 */ 4078 while (!got_int) 4079 { 4080 int startcol; /* Cursor column at entry */ 4081 int wantcol; /* column at textwidth border */ 4082 int foundcol; /* column for start of spaces */ 4083 int end_foundcol = 0; /* column for start of word */ 4084 colnr_T len; 4085 colnr_T virtcol; 4086 #ifdef FEAT_VREPLACE 4087 int orig_col = 0; 4088 char_u *saved_text = NULL; 4089 #endif 4090 colnr_T col; 4091 4092 virtcol = get_nolist_virtcol(); 4093 if (virtcol < (colnr_T)textwidth) 4094 break; 4095 4096 #ifdef FEAT_COMMENTS 4097 if (no_leader) 4098 do_comments = FALSE; 4099 else if (!(flags & INSCHAR_FORMAT) 4100 && has_format_option(FO_WRAP_COMS)) 4101 do_comments = TRUE; 4102 4103 /* Don't break until after the comment leader */ 4104 if (do_comments) 4105 leader_len = get_leader_len(ml_get_curline(), NULL, FALSE); 4106 else 4107 leader_len = 0; 4108 4109 /* If the line doesn't start with a comment leader, then don't 4110 * start one in a following broken line. Avoids that a %word 4111 * moved to the start of the next line causes all following lines 4112 * to start with %. */ 4113 if (leader_len == 0) 4114 no_leader = TRUE; 4115 #endif 4116 if (!(flags & INSCHAR_FORMAT) 4117 #ifdef FEAT_COMMENTS 4118 && leader_len == 0 4119 #endif 4120 && !has_format_option(FO_WRAP)) 4121 4122 { 4123 textwidth = 0; 4124 break; 4125 } 4126 if ((startcol = curwin->w_cursor.col) == 0) 4127 break; 4128 4129 /* find column of textwidth border */ 4130 coladvance((colnr_T)textwidth); 4131 wantcol = curwin->w_cursor.col; 4132 4133 curwin->w_cursor.col = startcol - 1; 4134 #ifdef FEAT_MBYTE 4135 /* Correct cursor for multi-byte character. */ 4136 if (has_mbyte) 4137 mb_adjust_cursor(); 4138 #endif 4139 foundcol = 0; 4140 4141 /* 4142 * Find position to break at. 4143 * Stop at first entered white when 'formatoptions' has 'v' 4144 */ 4145 while ((!fo_ins_blank && !has_format_option(FO_INS_VI)) 4146 || curwin->w_cursor.lnum != Insstart.lnum 4147 || curwin->w_cursor.col >= Insstart.col) 4148 { 4149 cc = gchar_cursor(); 4150 if (WHITECHAR(cc)) 4151 { 4152 /* remember position of blank just before text */ 4153 end_foundcol = curwin->w_cursor.col; 4154 4155 /* find start of sequence of blanks */ 4156 while (curwin->w_cursor.col > 0 && WHITECHAR(cc)) 4157 { 4158 dec_cursor(); 4159 cc = gchar_cursor(); 4160 } 4161 if (curwin->w_cursor.col == 0 && WHITECHAR(cc)) 4162 break; /* only spaces in front of text */ 4163 #ifdef FEAT_COMMENTS 4164 /* Don't break until after the comment leader */ 4165 if (curwin->w_cursor.col < leader_len) 4166 break; 4167 #endif 4168 if (has_format_option(FO_ONE_LETTER)) 4169 { 4170 /* do not break after one-letter words */ 4171 if (curwin->w_cursor.col == 0) 4172 break; /* one-letter word at begin */ 4173 4174 col = curwin->w_cursor.col; 4175 dec_cursor(); 4176 cc = gchar_cursor(); 4177 4178 if (WHITECHAR(cc)) 4179 continue; /* one-letter, continue */ 4180 curwin->w_cursor.col = col; 4181 } 4182 #ifdef FEAT_MBYTE 4183 if (has_mbyte) 4184 foundcol = curwin->w_cursor.col 4185 + (*mb_ptr2len)(ml_get_cursor()); 4186 else 4187 #endif 4188 foundcol = curwin->w_cursor.col + 1; 4189 if (curwin->w_cursor.col < (colnr_T)wantcol) 4190 break; 4191 } 4192 #ifdef FEAT_MBYTE 4193 else if (cc >= 0x100 && fo_multibyte 4194 && curwin->w_cursor.col <= (colnr_T)wantcol) 4195 { 4196 /* Break after or before a multi-byte character. */ 4197 foundcol = curwin->w_cursor.col; 4198 if (curwin->w_cursor.col < (colnr_T)wantcol) 4199 foundcol += (*mb_char2len)(cc); 4200 end_foundcol = foundcol; 4201 break; 4202 } 4203 #endif 4204 if (curwin->w_cursor.col == 0) 4205 break; 4206 dec_cursor(); 4207 } 4208 4209 if (foundcol == 0) /* no spaces, cannot break line */ 4210 { 4211 curwin->w_cursor.col = startcol; 4212 break; 4213 } 4214 4215 /* Going to break the line, remove any "$" now. */ 4216 undisplay_dollar(); 4217 4218 /* 4219 * Offset between cursor position and line break is used by replace 4220 * stack functions. VREPLACE does not use this, and backspaces 4221 * over the text instead. 4222 */ 4223 #ifdef FEAT_VREPLACE 4224 if (State & VREPLACE_FLAG) 4225 orig_col = startcol; /* Will start backspacing from here */ 4226 else 4227 #endif 4228 replace_offset = startcol - end_foundcol - 1; 4229 4230 /* 4231 * adjust startcol for spaces that will be deleted and 4232 * characters that will remain on top line 4233 */ 4234 curwin->w_cursor.col = foundcol; 4235 while (cc = gchar_cursor(), WHITECHAR(cc)) 4236 inc_cursor(); 4237 startcol -= curwin->w_cursor.col; 4238 if (startcol < 0) 4239 startcol = 0; 4240 4241 #ifdef FEAT_VREPLACE 4242 if (State & VREPLACE_FLAG) 4243 { 4244 /* 4245 * In VREPLACE mode, we will backspace over the text to be 4246 * wrapped, so save a copy now to put on the next line. 4247 */ 4248 saved_text = vim_strsave(ml_get_cursor()); 4249 curwin->w_cursor.col = orig_col; 4250 if (saved_text == NULL) 4251 break; /* Can't do it, out of memory */ 4252 saved_text[startcol] = NUL; 4253 4254 /* Backspace over characters that will move to the next line */ 4255 if (!fo_white_par) 4256 backspace_until_column(foundcol); 4257 } 4258 else 4259 #endif 4260 { 4261 /* put cursor after pos. to break line */ 4262 if (!fo_white_par) 4263 curwin->w_cursor.col = foundcol; 4264 } 4265 4266 /* 4267 * Split the line just before the margin. 4268 * Only insert/delete lines, but don't really redraw the window. 4269 */ 4270 open_line(FORWARD, OPENLINE_DELSPACES + OPENLINE_MARKFIX 4271 + (fo_white_par ? OPENLINE_KEEPTRAIL : 0) 4272 #ifdef FEAT_COMMENTS 4273 + (do_comments ? OPENLINE_DO_COM : 0) 4274 #endif 4275 , old_indent); 4276 old_indent = 0; 4277 4278 replace_offset = 0; 4279 if (first_line) 4280 { 4281 if (second_indent < 0 && has_format_option(FO_Q_NUMBER)) 4282 second_indent = get_number_indent(curwin->w_cursor.lnum -1); 4283 if (second_indent >= 0) 4284 { 4285 #ifdef FEAT_VREPLACE 4286 if (State & VREPLACE_FLAG) 4287 change_indent(INDENT_SET, second_indent, FALSE, NUL); 4288 else 4289 #endif 4290 (void)set_indent(second_indent, SIN_CHANGED); 4291 } 4292 first_line = FALSE; 4293 } 4294 4295 #ifdef FEAT_VREPLACE 4296 if (State & VREPLACE_FLAG) 4297 { 4298 /* 4299 * In VREPLACE mode we have backspaced over the text to be 4300 * moved, now we re-insert it into the new line. 4301 */ 4302 ins_bytes(saved_text); 4303 vim_free(saved_text); 4304 } 4305 else 4306 #endif 4307 { 4308 /* 4309 * Check if cursor is not past the NUL off the line, cindent 4310 * may have added or removed indent. 4311 */ 4312 curwin->w_cursor.col += startcol; 4313 len = (colnr_T)STRLEN(ml_get_curline()); 4314 if (curwin->w_cursor.col > len) 4315 curwin->w_cursor.col = len; 4316 } 4317 4318 haveto_redraw = TRUE; 4319 #ifdef FEAT_CINDENT 4320 can_cindent = TRUE; 4321 #endif 4322 /* moved the cursor, don't autoindent or cindent now */ 4323 did_ai = FALSE; 4324 #ifdef FEAT_SMARTINDENT 4325 did_si = FALSE; 4326 can_si = FALSE; 4327 can_si_back = FALSE; 4328 #endif 4329 line_breakcheck(); 4330 } 4331 4332 if (save_char) /* put back space after cursor */ 4333 pchar_cursor(save_char); 4334 4335 if (c == NUL) /* formatting only */ 4336 return; 4337 if (haveto_redraw) 4338 { 4339 update_topline(); 4340 redraw_curbuf_later(VALID); 4341 } 4342 } 4343 if (c == NUL) /* only formatting was wanted */ 4344 return; 4345 4346 #ifdef FEAT_COMMENTS 4347 /* Check whether this character should end a comment. */ 4348 if (did_ai && (int)c == end_comment_pending) 4349 { 4350 char_u *line; 4351 char_u lead_end[COM_MAX_LEN]; /* end-comment string */ 4352 int middle_len, end_len; 4353 int i; 4354 4355 /* 4356 * Need to remove existing (middle) comment leader and insert end 4357 * comment leader. First, check what comment leader we can find. 4358 */ 4359 i = get_leader_len(line = ml_get_curline(), &p, FALSE); 4360 if (i > 0 && vim_strchr(p, COM_MIDDLE) != NULL) /* Just checking */ 4361 { 4362 /* Skip middle-comment string */ 4363 while (*p && p[-1] != ':') /* find end of middle flags */ 4364 ++p; 4365 middle_len = copy_option_part(&p, lead_end, COM_MAX_LEN, ","); 4366 /* Don't count trailing white space for middle_len */ 4367 while (middle_len > 0 && vim_iswhite(lead_end[middle_len - 1])) 4368 --middle_len; 4369 4370 /* Find the end-comment string */ 4371 while (*p && p[-1] != ':') /* find end of end flags */ 4372 ++p; 4373 end_len = copy_option_part(&p, lead_end, COM_MAX_LEN, ","); 4374 4375 /* Skip white space before the cursor */ 4376 i = curwin->w_cursor.col; 4377 while (--i >= 0 && vim_iswhite(line[i])) 4378 ; 4379 i++; 4380 4381 /* Skip to before the middle leader */ 4382 i -= middle_len; 4383 4384 /* Check some expected things before we go on */ 4385 if (i >= 0 && lead_end[end_len - 1] == end_comment_pending) 4386 { 4387 /* Backspace over all the stuff we want to replace */ 4388 backspace_until_column(i); 4389 4390 /* 4391 * Insert the end-comment string, except for the last 4392 * character, which will get inserted as normal later. 4393 */ 4394 ins_bytes_len(lead_end, end_len - 1); 4395 } 4396 } 4397 } 4398 end_comment_pending = NUL; 4399 #endif 4400 4401 did_ai = FALSE; 4402 #ifdef FEAT_SMARTINDENT 4403 did_si = FALSE; 4404 can_si = FALSE; 4405 can_si_back = FALSE; 4406 #endif 4407 4408 /* 4409 * If there's any pending input, grab up to INPUT_BUFLEN at once. 4410 * This speeds up normal text input considerably. 4411 * Don't do this when 'cindent' or 'indentexpr' is set, because we might 4412 * need to re-indent at a ':', or any other character (but not what 4413 * 'paste' is set).. 4414 */ 4415 #ifdef USE_ON_FLY_SCROLL 4416 dont_scroll = FALSE; /* allow scrolling here */ 4417 #endif 4418 4419 if ( !ISSPECIAL(c) 4420 #ifdef FEAT_MBYTE 4421 && (!has_mbyte || (*mb_char2len)(c) == 1) 4422 #endif 4423 && vpeekc() != NUL 4424 && !(State & REPLACE_FLAG) 4425 #ifdef FEAT_CINDENT 4426 && !cindent_on() 4427 #endif 4428 #ifdef FEAT_RIGHTLEFT 4429 && !p_ri 4430 #endif 4431 ) 4432 { 4433 #define INPUT_BUFLEN 100 4434 char_u buf[INPUT_BUFLEN + 1]; 4435 int i; 4436 colnr_T virtcol = 0; 4437 4438 buf[0] = c; 4439 i = 1; 4440 if (textwidth) 4441 virtcol = get_nolist_virtcol(); 4442 /* 4443 * Stop the string when: 4444 * - no more chars available 4445 * - finding a special character (command key) 4446 * - buffer is full 4447 * - running into the 'textwidth' boundary 4448 * - need to check for abbreviation: A non-word char after a word-char 4449 */ 4450 while ( (c = vpeekc()) != NUL 4451 && !ISSPECIAL(c) 4452 #ifdef FEAT_MBYTE 4453 && (!has_mbyte || MB_BYTE2LEN_CHECK(c) == 1) 4454 #endif 4455 && i < INPUT_BUFLEN 4456 && (textwidth == 0 4457 || (virtcol += byte2cells(buf[i - 1])) < (colnr_T)textwidth) 4458 && !(!no_abbr && !vim_iswordc(c) && vim_iswordc(buf[i - 1]))) 4459 { 4460 #ifdef FEAT_RIGHTLEFT 4461 c = vgetc(); 4462 if (p_hkmap && KeyTyped) 4463 c = hkmap(c); /* Hebrew mode mapping */ 4464 # ifdef FEAT_FKMAP 4465 if (p_fkmap && KeyTyped) 4466 c = fkmap(c); /* Farsi mode mapping */ 4467 # endif 4468 buf[i++] = c; 4469 #else 4470 buf[i++] = vgetc(); 4471 #endif 4472 } 4473 4474 #ifdef FEAT_DIGRAPHS 4475 do_digraph(-1); /* clear digraphs */ 4476 do_digraph(buf[i-1]); /* may be the start of a digraph */ 4477 #endif 4478 buf[i] = NUL; 4479 ins_str(buf); 4480 if (flags & INSCHAR_CTRLV) 4481 { 4482 redo_literal(*buf); 4483 i = 1; 4484 } 4485 else 4486 i = 0; 4487 if (buf[i] != NUL) 4488 AppendToRedobuffLit(buf + i); 4489 } 4490 else 4491 { 4492 #ifdef FEAT_MBYTE 4493 if (has_mbyte && (cc = (*mb_char2len)(c)) > 1) 4494 { 4495 char_u buf[MB_MAXBYTES + 1]; 4496 4497 (*mb_char2bytes)(c, buf); 4498 buf[cc] = NUL; 4499 ins_char_bytes(buf, cc); 4500 AppendCharToRedobuff(c); 4501 } 4502 else 4503 #endif 4504 { 4505 ins_char(c); 4506 if (flags & INSCHAR_CTRLV) 4507 redo_literal(c); 4508 else 4509 AppendCharToRedobuff(c); 4510 } 4511 } 4512 } 4513 4514 /* 4515 * Called after inserting or deleting text: When 'formatoptions' includes the 4516 * 'a' flag format from the current line until the end of the paragraph. 4517 * Keep the cursor at the same position relative to the text. 4518 * The caller must have saved the cursor line for undo, following ones will be 4519 * saved here. 4520 */ 4521 void 4522 auto_format(trailblank, prev_line) 4523 int trailblank; /* when TRUE also format with trailing blank */ 4524 int prev_line; /* may start in previous line */ 4525 { 4526 pos_T pos; 4527 colnr_T len; 4528 char_u *old; 4529 char_u *new, *pnew; 4530 int wasatend; 4531 int cc; 4532 4533 if (!has_format_option(FO_AUTO)) 4534 return; 4535 4536 pos = curwin->w_cursor; 4537 old = ml_get_curline(); 4538 4539 /* may remove added space */ 4540 check_auto_format(FALSE); 4541 4542 /* Don't format in Insert mode when the cursor is on a trailing blank, the 4543 * user might insert normal text next. Also skip formatting when "1" is 4544 * in 'formatoptions' and there is a single character before the cursor. 4545 * Otherwise the line would be broken and when typing another non-white 4546 * next they are not joined back together. */ 4547 wasatend = (pos.col == STRLEN(old)); 4548 if (*old != NUL && !trailblank && wasatend) 4549 { 4550 dec_cursor(); 4551 cc = gchar_cursor(); 4552 if (!WHITECHAR(cc) && curwin->w_cursor.col > 0 4553 && has_format_option(FO_ONE_LETTER)) 4554 dec_cursor(); 4555 cc = gchar_cursor(); 4556 if (WHITECHAR(cc)) 4557 { 4558 curwin->w_cursor = pos; 4559 return; 4560 } 4561 curwin->w_cursor = pos; 4562 } 4563 4564 #ifdef FEAT_COMMENTS 4565 /* With the 'c' flag in 'formatoptions' and 't' missing: only format 4566 * comments. */ 4567 if (has_format_option(FO_WRAP_COMS) && !has_format_option(FO_WRAP) 4568 && get_leader_len(old, NULL, FALSE) == 0) 4569 return; 4570 #endif 4571 4572 /* 4573 * May start formatting in a previous line, so that after "x" a word is 4574 * moved to the previous line if it fits there now. Only when this is not 4575 * the start of a paragraph. 4576 */ 4577 if (prev_line && !paragraph_start(curwin->w_cursor.lnum)) 4578 { 4579 --curwin->w_cursor.lnum; 4580 if (u_save_cursor() == FAIL) 4581 return; 4582 } 4583 4584 /* 4585 * Do the formatting and restore the cursor position. "saved_cursor" will 4586 * be adjusted for the text formatting. 4587 */ 4588 saved_cursor = pos; 4589 format_lines((linenr_T)-1); 4590 curwin->w_cursor = saved_cursor; 4591 saved_cursor.lnum = 0; 4592 4593 if (curwin->w_cursor.lnum > curbuf->b_ml.ml_line_count) 4594 { 4595 /* "cannot happen" */ 4596 curwin->w_cursor.lnum = curbuf->b_ml.ml_line_count; 4597 coladvance((colnr_T)MAXCOL); 4598 } 4599 else 4600 check_cursor_col(); 4601 4602 /* Insert mode: If the cursor is now after the end of the line while it 4603 * previously wasn't, the line was broken. Because of the rule above we 4604 * need to add a space when 'w' is in 'formatoptions' to keep a paragraph 4605 * formatted. */ 4606 if (!wasatend && has_format_option(FO_WHITE_PAR)) 4607 { 4608 new = ml_get_curline(); 4609 len = STRLEN(new); 4610 if (curwin->w_cursor.col == len) 4611 { 4612 pnew = vim_strnsave(new, len + 2); 4613 pnew[len] = ' '; 4614 pnew[len + 1] = NUL; 4615 ml_replace(curwin->w_cursor.lnum, pnew, FALSE); 4616 /* remove the space later */ 4617 did_add_space = TRUE; 4618 } 4619 else 4620 /* may remove added space */ 4621 check_auto_format(FALSE); 4622 } 4623 4624 check_cursor(); 4625 } 4626 4627 /* 4628 * When an extra space was added to continue a paragraph for auto-formatting, 4629 * delete it now. The space must be under the cursor, just after the insert 4630 * position. 4631 */ 4632 static void 4633 check_auto_format(end_insert) 4634 int end_insert; /* TRUE when ending Insert mode */ 4635 { 4636 int c = ' '; 4637 int cc; 4638 4639 if (did_add_space) 4640 { 4641 cc = gchar_cursor(); 4642 if (!WHITECHAR(cc)) 4643 /* Somehow the space was removed already. */ 4644 did_add_space = FALSE; 4645 else 4646 { 4647 if (!end_insert) 4648 { 4649 inc_cursor(); 4650 c = gchar_cursor(); 4651 dec_cursor(); 4652 } 4653 if (c != NUL) 4654 { 4655 /* The space is no longer at the end of the line, delete it. */ 4656 del_char(FALSE); 4657 did_add_space = FALSE; 4658 } 4659 } 4660 } 4661 } 4662 4663 /* 4664 * Find out textwidth to be used for formatting: 4665 * if 'textwidth' option is set, use it 4666 * else if 'wrapmargin' option is set, use W_WIDTH(curwin) - 'wrapmargin' 4667 * if invalid value, use 0. 4668 * Set default to window width (maximum 79) for "gq" operator. 4669 */ 4670 int 4671 comp_textwidth(ff) 4672 int ff; /* force formatting (for "Q" command) */ 4673 { 4674 int textwidth; 4675 4676 textwidth = curbuf->b_p_tw; 4677 if (textwidth == 0 && curbuf->b_p_wm) 4678 { 4679 /* The width is the window width minus 'wrapmargin' minus all the 4680 * things that add to the margin. */ 4681 textwidth = W_WIDTH(curwin) - curbuf->b_p_wm; 4682 #ifdef FEAT_CMDWIN 4683 if (cmdwin_type != 0) 4684 textwidth -= 1; 4685 #endif 4686 #ifdef FEAT_FOLDING 4687 textwidth -= curwin->w_p_fdc; 4688 #endif 4689 #ifdef FEAT_SIGNS 4690 if (curwin->w_buffer->b_signlist != NULL 4691 # ifdef FEAT_NETBEANS_INTG 4692 || usingNetbeans 4693 # endif 4694 ) 4695 textwidth -= 1; 4696 #endif 4697 if (curwin->w_p_nu) 4698 textwidth -= 8; 4699 } 4700 if (textwidth < 0) 4701 textwidth = 0; 4702 if (ff && textwidth == 0) 4703 { 4704 textwidth = W_WIDTH(curwin) - 1; 4705 if (textwidth > 79) 4706 textwidth = 79; 4707 } 4708 return textwidth; 4709 } 4710 4711 /* 4712 * Put a character in the redo buffer, for when just after a CTRL-V. 4713 */ 4714 static void 4715 redo_literal(c) 4716 int c; 4717 { 4718 char_u buf[10]; 4719 4720 /* Only digits need special treatment. Translate them into a string of 4721 * three digits. */ 4722 if (VIM_ISDIGIT(c)) 4723 { 4724 sprintf((char *)buf, "%03d", c); 4725 AppendToRedobuff(buf); 4726 } 4727 else 4728 AppendCharToRedobuff(c); 4729 } 4730 4731 /* 4732 * start_arrow() is called when an arrow key is used in insert mode. 4733 * For undo/redo it resembles hitting the <ESC> key. 4734 */ 4735 static void 4736 start_arrow(end_insert_pos) 4737 pos_T *end_insert_pos; 4738 { 4739 if (!arrow_used) /* something has been inserted */ 4740 { 4741 AppendToRedobuff(ESC_STR); 4742 stop_insert(end_insert_pos, FALSE); 4743 arrow_used = TRUE; /* this means we stopped the current insert */ 4744 } 4745 #ifdef FEAT_SYN_HL 4746 check_spell_redraw(); 4747 #endif 4748 } 4749 4750 #ifdef FEAT_SYN_HL 4751 /* 4752 * If we skipped highlighting word at cursor, do it now. 4753 * It may be skipped again, thus reset spell_redraw_lnum first. 4754 */ 4755 static void 4756 check_spell_redraw() 4757 { 4758 if (spell_redraw_lnum != 0) 4759 { 4760 linenr_T lnum = spell_redraw_lnum; 4761 4762 spell_redraw_lnum = 0; 4763 redrawWinline(lnum, FALSE); 4764 } 4765 } 4766 4767 /* 4768 * Called when starting CTRL_X_SPELL mode: Move backwards to a previous badly 4769 * spelled word, if there is one. 4770 */ 4771 static void 4772 spell_back_to_badword() 4773 { 4774 pos_T tpos = curwin->w_cursor; 4775 4776 spell_bad_len = spell_move_to(curwin, BACKWARD, TRUE, TRUE, NULL); 4777 if (curwin->w_cursor.col != tpos.col) 4778 start_arrow(&tpos); 4779 } 4780 #endif 4781 4782 /* 4783 * stop_arrow() is called before a change is made in insert mode. 4784 * If an arrow key has been used, start a new insertion. 4785 * Returns FAIL if undo is impossible, shouldn't insert then. 4786 */ 4787 int 4788 stop_arrow() 4789 { 4790 if (arrow_used) 4791 { 4792 if (u_save_cursor() == OK) 4793 { 4794 arrow_used = FALSE; 4795 ins_need_undo = FALSE; 4796 } 4797 Insstart = curwin->w_cursor; /* new insertion starts here */ 4798 Insstart_textlen = linetabsize(ml_get_curline()); 4799 ai_col = 0; 4800 #ifdef FEAT_VREPLACE 4801 if (State & VREPLACE_FLAG) 4802 { 4803 orig_line_count = curbuf->b_ml.ml_line_count; 4804 vr_lines_changed = 1; 4805 } 4806 #endif 4807 ResetRedobuff(); 4808 AppendToRedobuff((char_u *)"1i"); /* pretend we start an insertion */ 4809 } 4810 else if (ins_need_undo) 4811 { 4812 if (u_save_cursor() == OK) 4813 ins_need_undo = FALSE; 4814 } 4815 4816 #ifdef FEAT_FOLDING 4817 /* Always open fold at the cursor line when inserting something. */ 4818 foldOpenCursor(); 4819 #endif 4820 4821 return (arrow_used || ins_need_undo ? FAIL : OK); 4822 } 4823 4824 /* 4825 * do a few things to stop inserting 4826 */ 4827 static void 4828 stop_insert(end_insert_pos, esc) 4829 pos_T *end_insert_pos; /* where insert ended */ 4830 int esc; /* called by ins_esc() */ 4831 { 4832 int cc; 4833 4834 stop_redo_ins(); 4835 replace_flush(); /* abandon replace stack */ 4836 4837 /* 4838 * save the inserted text for later redo with ^@ 4839 */ 4840 vim_free(last_insert); 4841 last_insert = get_inserted(); 4842 last_insert_skip = new_insert_skip; 4843 4844 if (!arrow_used) 4845 { 4846 /* Auto-format now. It may seem strange to do this when stopping an 4847 * insertion (or moving the cursor), but it's required when appending 4848 * a line and having it end in a space. But only do it when something 4849 * was actually inserted, otherwise undo won't work. */ 4850 if (!ins_need_undo && has_format_option(FO_AUTO)) 4851 { 4852 pos_T tpos = curwin->w_cursor; 4853 4854 /* When the cursor is at the end of the line after a space the 4855 * formatting will move it to the following word. Avoid that by 4856 * moving the cursor onto the space. */ 4857 cc = 'x'; 4858 if (curwin->w_cursor.col > 0 && gchar_cursor() == NUL) 4859 { 4860 dec_cursor(); 4861 cc = gchar_cursor(); 4862 if (!vim_iswhite(cc)) 4863 curwin->w_cursor = tpos; 4864 } 4865 4866 auto_format(TRUE, FALSE); 4867 4868 if (vim_iswhite(cc)) 4869 { 4870 if (gchar_cursor() != NUL) 4871 inc_cursor(); 4872 #ifdef FEAT_VIRTUALEDIT 4873 /* If the cursor is still at the same character, also keep 4874 * the "coladd". */ 4875 if (gchar_cursor() == NUL 4876 && curwin->w_cursor.lnum == tpos.lnum 4877 && curwin->w_cursor.col == tpos.col) 4878 curwin->w_cursor.coladd = tpos.coladd; 4879 #endif 4880 } 4881 } 4882 4883 /* If a space was inserted for auto-formatting, remove it now. */ 4884 check_auto_format(TRUE); 4885 4886 /* If we just did an auto-indent, remove the white space from the end 4887 * of the line, and put the cursor back. 4888 * Do this when ESC was used or moving the cursor up/down. */ 4889 if (did_ai && (esc || (vim_strchr(p_cpo, CPO_INDENT) == NULL 4890 && curwin->w_cursor.lnum != end_insert_pos->lnum))) 4891 { 4892 pos_T tpos = curwin->w_cursor; 4893 4894 curwin->w_cursor = *end_insert_pos; 4895 if (gchar_cursor() == NUL && curwin->w_cursor.col > 0) 4896 --curwin->w_cursor.col; 4897 while (cc = gchar_cursor(), vim_iswhite(cc)) 4898 (void)del_char(TRUE); 4899 if (curwin->w_cursor.lnum != tpos.lnum) 4900 curwin->w_cursor = tpos; 4901 else if (cc != NUL) 4902 ++curwin->w_cursor.col; /* put cursor back on the NUL */ 4903 4904 #ifdef FEAT_VISUAL 4905 /* <C-S-Right> may have started Visual mode, adjust the position for 4906 * deleted characters. */ 4907 if (VIsual_active && VIsual.lnum == curwin->w_cursor.lnum) 4908 { 4909 cc = STRLEN(ml_get_curline()); 4910 if (VIsual.col > (colnr_T)cc) 4911 { 4912 VIsual.col = cc; 4913 # ifdef FEAT_VIRTUALEDIT 4914 VIsual.coladd = 0; 4915 # endif 4916 } 4917 } 4918 #endif 4919 } 4920 } 4921 did_ai = FALSE; 4922 #ifdef FEAT_SMARTINDENT 4923 did_si = FALSE; 4924 can_si = FALSE; 4925 can_si_back = FALSE; 4926 #endif 4927 4928 /* set '[ and '] to the inserted text */ 4929 curbuf->b_op_start = Insstart; 4930 curbuf->b_op_end = *end_insert_pos; 4931 } 4932 4933 /* 4934 * Set the last inserted text to a single character. 4935 * Used for the replace command. 4936 */ 4937 void 4938 set_last_insert(c) 4939 int c; 4940 { 4941 char_u *s; 4942 4943 vim_free(last_insert); 4944 #ifdef FEAT_MBYTE 4945 last_insert = alloc(MB_MAXBYTES * 3 + 5); 4946 #else 4947 last_insert = alloc(6); 4948 #endif 4949 if (last_insert != NULL) 4950 { 4951 s = last_insert; 4952 /* Use the CTRL-V only when entering a special char */ 4953 if (c < ' ' || c == DEL) 4954 *s++ = Ctrl_V; 4955 s = add_char2buf(c, s); 4956 *s++ = ESC; 4957 *s++ = NUL; 4958 last_insert_skip = 0; 4959 } 4960 } 4961 4962 #if defined(EXITFREE) || defined(PROTO) 4963 void 4964 free_last_insert() 4965 { 4966 vim_free(last_insert); 4967 last_insert = NULL; 4968 } 4969 #endif 4970 4971 /* 4972 * Add character "c" to buffer "s". Escape the special meaning of K_SPECIAL 4973 * and CSI. Handle multi-byte characters. 4974 * Returns a pointer to after the added bytes. 4975 */ 4976 char_u * 4977 add_char2buf(c, s) 4978 int c; 4979 char_u *s; 4980 { 4981 #ifdef FEAT_MBYTE 4982 char_u temp[MB_MAXBYTES]; 4983 int i; 4984 int len; 4985 4986 len = (*mb_char2bytes)(c, temp); 4987 for (i = 0; i < len; ++i) 4988 { 4989 c = temp[i]; 4990 #endif 4991 /* Need to escape K_SPECIAL and CSI like in the typeahead buffer. */ 4992 if (c == K_SPECIAL) 4993 { 4994 *s++ = K_SPECIAL; 4995 *s++ = KS_SPECIAL; 4996 *s++ = KE_FILLER; 4997 } 4998 #ifdef FEAT_GUI 4999 else if (c == CSI) 5000 { 5001 *s++ = CSI; 5002 *s++ = KS_EXTRA; 5003 *s++ = (int)KE_CSI; 5004 } 5005 #endif 5006 else 5007 *s++ = c; 5008 #ifdef FEAT_MBYTE 5009 } 5010 #endif 5011 return s; 5012 } 5013 5014 /* 5015 * move cursor to start of line 5016 * if flags & BL_WHITE move to first non-white 5017 * if flags & BL_SOL move to first non-white if startofline is set, 5018 * otherwise keep "curswant" column 5019 * if flags & BL_FIX don't leave the cursor on a NUL. 5020 */ 5021 void 5022 beginline(flags) 5023 int flags; 5024 { 5025 if ((flags & BL_SOL) && !p_sol) 5026 coladvance(curwin->w_curswant); 5027 else 5028 { 5029 curwin->w_cursor.col = 0; 5030 #ifdef FEAT_VIRTUALEDIT 5031 curwin->w_cursor.coladd = 0; 5032 #endif 5033 5034 if (flags & (BL_WHITE | BL_SOL)) 5035 { 5036 char_u *ptr; 5037 5038 for (ptr = ml_get_curline(); vim_iswhite(*ptr) 5039 && !((flags & BL_FIX) && ptr[1] == NUL); ++ptr) 5040 ++curwin->w_cursor.col; 5041 } 5042 curwin->w_set_curswant = TRUE; 5043 } 5044 } 5045 5046 /* 5047 * oneright oneleft cursor_down cursor_up 5048 * 5049 * Move one char {right,left,down,up}. 5050 * Doesn't move onto the NUL past the end of the line. 5051 * Return OK when successful, FAIL when we hit a line of file boundary. 5052 */ 5053 5054 int 5055 oneright() 5056 { 5057 char_u *ptr; 5058 #ifdef FEAT_MBYTE 5059 int l; 5060 #endif 5061 5062 #ifdef FEAT_VIRTUALEDIT 5063 if (virtual_active()) 5064 { 5065 pos_T prevpos = curwin->w_cursor; 5066 5067 /* Adjust for multi-wide char (excluding TAB) */ 5068 ptr = ml_get_cursor(); 5069 coladvance(getviscol() + ((*ptr != TAB && vim_isprintc( 5070 #ifdef FEAT_MBYTE 5071 (*mb_ptr2char)(ptr) 5072 #else 5073 *ptr 5074 #endif 5075 )) 5076 ? ptr2cells(ptr) : 1)); 5077 curwin->w_set_curswant = TRUE; 5078 /* Return OK if the cursor moved, FAIL otherwise (at window edge). */ 5079 return (prevpos.col != curwin->w_cursor.col 5080 || prevpos.coladd != curwin->w_cursor.coladd) ? OK : FAIL; 5081 } 5082 #endif 5083 5084 ptr = ml_get_cursor(); 5085 #ifdef FEAT_MBYTE 5086 if (has_mbyte && (l = (*mb_ptr2len)(ptr)) > 1) 5087 { 5088 /* The character under the cursor is a multi-byte character, move 5089 * several bytes right, but don't end up on the NUL. */ 5090 if (ptr[l] == NUL) 5091 return FAIL; 5092 curwin->w_cursor.col += l; 5093 } 5094 else 5095 #endif 5096 { 5097 if (*ptr++ == NUL || *ptr == NUL) 5098 return FAIL; 5099 ++curwin->w_cursor.col; 5100 } 5101 5102 curwin->w_set_curswant = TRUE; 5103 return OK; 5104 } 5105 5106 int 5107 oneleft() 5108 { 5109 #ifdef FEAT_VIRTUALEDIT 5110 if (virtual_active()) 5111 { 5112 int width; 5113 int v = getviscol(); 5114 5115 if (v == 0) 5116 return FAIL; 5117 5118 # ifdef FEAT_LINEBREAK 5119 /* We might get stuck on 'showbreak', skip over it. */ 5120 width = 1; 5121 for (;;) 5122 { 5123 coladvance(v - width); 5124 /* getviscol() is slow, skip it when 'showbreak' is empty and 5125 * there are no multi-byte characters */ 5126 if ((*p_sbr == NUL 5127 # ifdef FEAT_MBYTE 5128 && !has_mbyte 5129 # endif 5130 ) || getviscol() < v) 5131 break; 5132 ++width; 5133 } 5134 # else 5135 coladvance(v - 1); 5136 # endif 5137 5138 if (curwin->w_cursor.coladd == 1) 5139 { 5140 char_u *ptr; 5141 5142 /* Adjust for multi-wide char (not a TAB) */ 5143 ptr = ml_get_cursor(); 5144 if (*ptr != TAB && vim_isprintc( 5145 # ifdef FEAT_MBYTE 5146 (*mb_ptr2char)(ptr) 5147 # else 5148 *ptr 5149 # endif 5150 ) && ptr2cells(ptr) > 1) 5151 curwin->w_cursor.coladd = 0; 5152 } 5153 5154 curwin->w_set_curswant = TRUE; 5155 return OK; 5156 } 5157 #endif 5158 5159 if (curwin->w_cursor.col == 0) 5160 return FAIL; 5161 5162 curwin->w_set_curswant = TRUE; 5163 --curwin->w_cursor.col; 5164 5165 #ifdef FEAT_MBYTE 5166 /* if the character on the left of the current cursor is a multi-byte 5167 * character, move to its first byte */ 5168 if (has_mbyte) 5169 mb_adjust_cursor(); 5170 #endif 5171 return OK; 5172 } 5173 5174 int 5175 cursor_up(n, upd_topline) 5176 long n; 5177 int upd_topline; /* When TRUE: update topline */ 5178 { 5179 linenr_T lnum; 5180 5181 if (n > 0) 5182 { 5183 lnum = curwin->w_cursor.lnum; 5184 /* This fails if the cursor is already in the first line or the count 5185 * is larger than the line number and '-' is in 'cpoptions' */ 5186 if (lnum <= 1 || (n >= lnum && vim_strchr(p_cpo, CPO_MINUS) != NULL)) 5187 return FAIL; 5188 if (n >= lnum) 5189 lnum = 1; 5190 else 5191 #ifdef FEAT_FOLDING 5192 if (hasAnyFolding(curwin)) 5193 { 5194 /* 5195 * Count each sequence of folded lines as one logical line. 5196 */ 5197 /* go to the the start of the current fold */ 5198 (void)hasFolding(lnum, &lnum, NULL); 5199 5200 while (n--) 5201 { 5202 /* move up one line */ 5203 --lnum; 5204 if (lnum <= 1) 5205 break; 5206 /* If we entered a fold, move to the beginning, unless in 5207 * Insert mode or when 'foldopen' contains "all": it will open 5208 * in a moment. */ 5209 if (n > 0 || !((State & INSERT) || (fdo_flags & FDO_ALL))) 5210 (void)hasFolding(lnum, &lnum, NULL); 5211 } 5212 if (lnum < 1) 5213 lnum = 1; 5214 } 5215 else 5216 #endif 5217 lnum -= n; 5218 curwin->w_cursor.lnum = lnum; 5219 } 5220 5221 /* try to advance to the column we want to be at */ 5222 coladvance(curwin->w_curswant); 5223 5224 if (upd_topline) 5225 update_topline(); /* make sure curwin->w_topline is valid */ 5226 5227 return OK; 5228 } 5229 5230 /* 5231 * Cursor down a number of logical lines. 5232 */ 5233 int 5234 cursor_down(n, upd_topline) 5235 long n; 5236 int upd_topline; /* When TRUE: update topline */ 5237 { 5238 linenr_T lnum; 5239 5240 if (n > 0) 5241 { 5242 lnum = curwin->w_cursor.lnum; 5243 #ifdef FEAT_FOLDING 5244 /* Move to last line of fold, will fail if it's the end-of-file. */ 5245 (void)hasFolding(lnum, NULL, &lnum); 5246 #endif 5247 /* This fails if the cursor is already in the last line or would move 5248 * beyound the last line and '-' is in 'cpoptions' */ 5249 if (lnum >= curbuf->b_ml.ml_line_count 5250 || (lnum + n > curbuf->b_ml.ml_line_count 5251 && vim_strchr(p_cpo, CPO_MINUS) != NULL)) 5252 return FAIL; 5253 if (lnum + n >= curbuf->b_ml.ml_line_count) 5254 lnum = curbuf->b_ml.ml_line_count; 5255 else 5256 #ifdef FEAT_FOLDING 5257 if (hasAnyFolding(curwin)) 5258 { 5259 linenr_T last; 5260 5261 /* count each sequence of folded lines as one logical line */ 5262 while (n--) 5263 { 5264 if (hasFolding(lnum, NULL, &last)) 5265 lnum = last + 1; 5266 else 5267 ++lnum; 5268 if (lnum >= curbuf->b_ml.ml_line_count) 5269 break; 5270 } 5271 if (lnum > curbuf->b_ml.ml_line_count) 5272 lnum = curbuf->b_ml.ml_line_count; 5273 } 5274 else 5275 #endif 5276 lnum += n; 5277 curwin->w_cursor.lnum = lnum; 5278 } 5279 5280 /* try to advance to the column we want to be at */ 5281 coladvance(curwin->w_curswant); 5282 5283 if (upd_topline) 5284 update_topline(); /* make sure curwin->w_topline is valid */ 5285 5286 return OK; 5287 } 5288 5289 /* 5290 * Stuff the last inserted text in the read buffer. 5291 * Last_insert actually is a copy of the redo buffer, so we 5292 * first have to remove the command. 5293 */ 5294 int 5295 stuff_inserted(c, count, no_esc) 5296 int c; /* Command character to be inserted */ 5297 long count; /* Repeat this many times */ 5298 int no_esc; /* Don't add an ESC at the end */ 5299 { 5300 char_u *esc_ptr; 5301 char_u *ptr; 5302 char_u *last_ptr; 5303 char_u last = NUL; 5304 5305 ptr = get_last_insert(); 5306 if (ptr == NULL) 5307 { 5308 EMSG(_(e_noinstext)); 5309 return FAIL; 5310 } 5311 5312 /* may want to stuff the command character, to start Insert mode */ 5313 if (c != NUL) 5314 stuffcharReadbuff(c); 5315 if ((esc_ptr = (char_u *)vim_strrchr(ptr, ESC)) != NULL) 5316 *esc_ptr = NUL; /* remove the ESC */ 5317 5318 /* when the last char is either "0" or "^" it will be quoted if no ESC 5319 * comes after it OR if it will inserted more than once and "ptr" 5320 * starts with ^D. -- Acevedo 5321 */ 5322 last_ptr = (esc_ptr ? esc_ptr : ptr + STRLEN(ptr)) - 1; 5323 if (last_ptr >= ptr && (*last_ptr == '0' || *last_ptr == '^') 5324 && (no_esc || (*ptr == Ctrl_D && count > 1))) 5325 { 5326 last = *last_ptr; 5327 *last_ptr = NUL; 5328 } 5329 5330 do 5331 { 5332 stuffReadbuff(ptr); 5333 /* a trailing "0" is inserted as "<C-V>048", "^" as "<C-V>^" */ 5334 if (last) 5335 stuffReadbuff((char_u *)(last == '0' 5336 ? IF_EB("\026\060\064\070", CTRL_V_STR "xf0") 5337 : IF_EB("\026^", CTRL_V_STR "^"))); 5338 } 5339 while (--count > 0); 5340 5341 if (last) 5342 *last_ptr = last; 5343 5344 if (esc_ptr != NULL) 5345 *esc_ptr = ESC; /* put the ESC back */ 5346 5347 /* may want to stuff a trailing ESC, to get out of Insert mode */ 5348 if (!no_esc) 5349 stuffcharReadbuff(ESC); 5350 5351 return OK; 5352 } 5353 5354 char_u * 5355 get_last_insert() 5356 { 5357 if (last_insert == NULL) 5358 return NULL; 5359 return last_insert + last_insert_skip; 5360 } 5361 5362 /* 5363 * Get last inserted string, and remove trailing <Esc>. 5364 * Returns pointer to allocated memory (must be freed) or NULL. 5365 */ 5366 char_u * 5367 get_last_insert_save() 5368 { 5369 char_u *s; 5370 int len; 5371 5372 if (last_insert == NULL) 5373 return NULL; 5374 s = vim_strsave(last_insert + last_insert_skip); 5375 if (s != NULL) 5376 { 5377 len = (int)STRLEN(s); 5378 if (len > 0 && s[len - 1] == ESC) /* remove trailing ESC */ 5379 s[len - 1] = NUL; 5380 } 5381 return s; 5382 } 5383 5384 /* 5385 * Check the word in front of the cursor for an abbreviation. 5386 * Called when the non-id character "c" has been entered. 5387 * When an abbreviation is recognized it is removed from the text and 5388 * the replacement string is inserted in typebuf.tb_buf[], followed by "c". 5389 */ 5390 static int 5391 echeck_abbr(c) 5392 int c; 5393 { 5394 /* Don't check for abbreviation in paste mode, when disabled and just 5395 * after moving around with cursor keys. */ 5396 if (p_paste || no_abbr || arrow_used) 5397 return FALSE; 5398 5399 return check_abbr(c, ml_get_curline(), curwin->w_cursor.col, 5400 curwin->w_cursor.lnum == Insstart.lnum ? Insstart.col : 0); 5401 } 5402 5403 /* 5404 * replace-stack functions 5405 * 5406 * When replacing characters, the replaced characters are remembered for each 5407 * new character. This is used to re-insert the old text when backspacing. 5408 * 5409 * There is a NUL headed list of characters for each character that is 5410 * currently in the file after the insertion point. When BS is used, one NUL 5411 * headed list is put back for the deleted character. 5412 * 5413 * For a newline, there are two NUL headed lists. One contains the characters 5414 * that the NL replaced. The extra one stores the characters after the cursor 5415 * that were deleted (always white space). 5416 * 5417 * Replace_offset is normally 0, in which case replace_push will add a new 5418 * character at the end of the stack. If replace_offset is not 0, that many 5419 * characters will be left on the stack above the newly inserted character. 5420 */ 5421 5422 static char_u *replace_stack = NULL; 5423 static long replace_stack_nr = 0; /* next entry in replace stack */ 5424 static long replace_stack_len = 0; /* max. number of entries */ 5425 5426 void 5427 replace_push(c) 5428 int c; /* character that is replaced (NUL is none) */ 5429 { 5430 char_u *p; 5431 5432 if (replace_stack_nr < replace_offset) /* nothing to do */ 5433 return; 5434 if (replace_stack_len <= replace_stack_nr) 5435 { 5436 replace_stack_len += 50; 5437 p = lalloc(sizeof(char_u) * replace_stack_len, TRUE); 5438 if (p == NULL) /* out of memory */ 5439 { 5440 replace_stack_len -= 50; 5441 return; 5442 } 5443 if (replace_stack != NULL) 5444 { 5445 mch_memmove(p, replace_stack, 5446 (size_t)(replace_stack_nr * sizeof(char_u))); 5447 vim_free(replace_stack); 5448 } 5449 replace_stack = p; 5450 } 5451 p = replace_stack + replace_stack_nr - replace_offset; 5452 if (replace_offset) 5453 mch_memmove(p + 1, p, (size_t)(replace_offset * sizeof(char_u))); 5454 *p = c; 5455 ++replace_stack_nr; 5456 } 5457 5458 /* 5459 * call replace_push(c) with replace_offset set to the first NUL. 5460 */ 5461 static void 5462 replace_push_off(c) 5463 int c; 5464 { 5465 char_u *p; 5466 5467 p = replace_stack + replace_stack_nr; 5468 for (replace_offset = 1; replace_offset < replace_stack_nr; 5469 ++replace_offset) 5470 if (*--p == NUL) 5471 break; 5472 replace_push(c); 5473 replace_offset = 0; 5474 } 5475 5476 /* 5477 * Pop one item from the replace stack. 5478 * return -1 if stack empty 5479 * return replaced character or NUL otherwise 5480 */ 5481 static int 5482 replace_pop() 5483 { 5484 if (replace_stack_nr == 0) 5485 return -1; 5486 return (int)replace_stack[--replace_stack_nr]; 5487 } 5488 5489 /* 5490 * Join the top two items on the replace stack. This removes to "off"'th NUL 5491 * encountered. 5492 */ 5493 static void 5494 replace_join(off) 5495 int off; /* offset for which NUL to remove */ 5496 { 5497 int i; 5498 5499 for (i = replace_stack_nr; --i >= 0; ) 5500 if (replace_stack[i] == NUL && off-- <= 0) 5501 { 5502 --replace_stack_nr; 5503 mch_memmove(replace_stack + i, replace_stack + i + 1, 5504 (size_t)(replace_stack_nr - i)); 5505 return; 5506 } 5507 } 5508 5509 /* 5510 * Pop bytes from the replace stack until a NUL is found, and insert them 5511 * before the cursor. Can only be used in REPLACE or VREPLACE mode. 5512 */ 5513 static void 5514 replace_pop_ins() 5515 { 5516 int cc; 5517 int oldState = State; 5518 5519 State = NORMAL; /* don't want REPLACE here */ 5520 while ((cc = replace_pop()) > 0) 5521 { 5522 #ifdef FEAT_MBYTE 5523 mb_replace_pop_ins(cc); 5524 #else 5525 ins_char(cc); 5526 #endif 5527 dec_cursor(); 5528 } 5529 State = oldState; 5530 } 5531 5532 #ifdef FEAT_MBYTE 5533 /* 5534 * Insert bytes popped from the replace stack. "cc" is the first byte. If it 5535 * indicates a multi-byte char, pop the other bytes too. 5536 */ 5537 static void 5538 mb_replace_pop_ins(cc) 5539 int cc; 5540 { 5541 int n; 5542 char_u buf[MB_MAXBYTES]; 5543 int i; 5544 int c; 5545 5546 if (has_mbyte && (n = MB_BYTE2LEN(cc)) > 1) 5547 { 5548 buf[0] = cc; 5549 for (i = 1; i < n; ++i) 5550 buf[i] = replace_pop(); 5551 ins_bytes_len(buf, n); 5552 } 5553 else 5554 ins_char(cc); 5555 5556 if (enc_utf8) 5557 /* Handle composing chars. */ 5558 for (;;) 5559 { 5560 c = replace_pop(); 5561 if (c == -1) /* stack empty */ 5562 break; 5563 if ((n = MB_BYTE2LEN(c)) == 1) 5564 { 5565 /* Not a multi-byte char, put it back. */ 5566 replace_push(c); 5567 break; 5568 } 5569 else 5570 { 5571 buf[0] = c; 5572 for (i = 1; i < n; ++i) 5573 buf[i] = replace_pop(); 5574 if (utf_iscomposing(utf_ptr2char(buf))) 5575 ins_bytes_len(buf, n); 5576 else 5577 { 5578 /* Not a composing char, put it back. */ 5579 for (i = n - 1; i >= 0; --i) 5580 replace_push(buf[i]); 5581 break; 5582 } 5583 } 5584 } 5585 } 5586 #endif 5587 5588 /* 5589 * make the replace stack empty 5590 * (called when exiting replace mode) 5591 */ 5592 static void 5593 replace_flush() 5594 { 5595 vim_free(replace_stack); 5596 replace_stack = NULL; 5597 replace_stack_len = 0; 5598 replace_stack_nr = 0; 5599 } 5600 5601 /* 5602 * Handle doing a BS for one character. 5603 * cc < 0: replace stack empty, just move cursor 5604 * cc == 0: character was inserted, delete it 5605 * cc > 0: character was replaced, put cc (first byte of original char) back 5606 * and check for more characters to be put back 5607 */ 5608 static void 5609 replace_do_bs() 5610 { 5611 int cc; 5612 #ifdef FEAT_VREPLACE 5613 int orig_len = 0; 5614 int ins_len; 5615 int orig_vcols = 0; 5616 colnr_T start_vcol; 5617 char_u *p; 5618 int i; 5619 int vcol; 5620 #endif 5621 5622 cc = replace_pop(); 5623 if (cc > 0) 5624 { 5625 #ifdef FEAT_VREPLACE 5626 if (State & VREPLACE_FLAG) 5627 { 5628 /* Get the number of screen cells used by the character we are 5629 * going to delete. */ 5630 getvcol(curwin, &curwin->w_cursor, NULL, &start_vcol, NULL); 5631 orig_vcols = chartabsize(ml_get_cursor(), start_vcol); 5632 } 5633 #endif 5634 #ifdef FEAT_MBYTE 5635 if (has_mbyte) 5636 { 5637 del_char(FALSE); 5638 # ifdef FEAT_VREPLACE 5639 if (State & VREPLACE_FLAG) 5640 orig_len = STRLEN(ml_get_cursor()); 5641 # endif 5642 replace_push(cc); 5643 } 5644 else 5645 #endif 5646 { 5647 pchar_cursor(cc); 5648 #ifdef FEAT_VREPLACE 5649 if (State & VREPLACE_FLAG) 5650 orig_len = STRLEN(ml_get_cursor()) - 1; 5651 #endif 5652 } 5653 replace_pop_ins(); 5654 5655 #ifdef FEAT_VREPLACE 5656 if (State & VREPLACE_FLAG) 5657 { 5658 /* Get the number of screen cells used by the inserted characters */ 5659 p = ml_get_cursor(); 5660 ins_len = STRLEN(p) - orig_len; 5661 vcol = start_vcol; 5662 for (i = 0; i < ins_len; ++i) 5663 { 5664 vcol += chartabsize(p + i, vcol); 5665 #ifdef FEAT_MBYTE 5666 i += (*mb_ptr2len)(p) - 1; 5667 #endif 5668 } 5669 vcol -= start_vcol; 5670 5671 /* Delete spaces that were inserted after the cursor to keep the 5672 * text aligned. */ 5673 curwin->w_cursor.col += ins_len; 5674 while (vcol > orig_vcols && gchar_cursor() == ' ') 5675 { 5676 del_char(FALSE); 5677 ++orig_vcols; 5678 } 5679 curwin->w_cursor.col -= ins_len; 5680 } 5681 #endif 5682 5683 /* mark the buffer as changed and prepare for displaying */ 5684 changed_bytes(curwin->w_cursor.lnum, curwin->w_cursor.col); 5685 } 5686 else if (cc == 0) 5687 (void)del_char(FALSE); 5688 } 5689 5690 #ifdef FEAT_CINDENT 5691 /* 5692 * Return TRUE if C-indenting is on. 5693 */ 5694 static int 5695 cindent_on() 5696 { 5697 return (!p_paste && (curbuf->b_p_cin 5698 # ifdef FEAT_EVAL 5699 || *curbuf->b_p_inde != NUL 5700 # endif 5701 )); 5702 } 5703 #endif 5704 5705 #if defined(FEAT_LISP) || defined(FEAT_CINDENT) || defined(PROTO) 5706 /* 5707 * Re-indent the current line, based on the current contents of it and the 5708 * surrounding lines. Fixing the cursor position seems really easy -- I'm very 5709 * confused what all the part that handles Control-T is doing that I'm not. 5710 * "get_the_indent" should be get_c_indent, get_expr_indent or get_lisp_indent. 5711 */ 5712 5713 void 5714 fixthisline(get_the_indent) 5715 int (*get_the_indent) __ARGS((void)); 5716 { 5717 change_indent(INDENT_SET, get_the_indent(), FALSE, 0); 5718 if (linewhite(curwin->w_cursor.lnum)) 5719 did_ai = TRUE; /* delete the indent if the line stays empty */ 5720 } 5721 5722 void 5723 fix_indent() 5724 { 5725 if (p_paste) 5726 return; 5727 # ifdef FEAT_LISP 5728 if (curbuf->b_p_lisp && curbuf->b_p_ai) 5729 fixthisline(get_lisp_indent); 5730 # endif 5731 # if defined(FEAT_LISP) && defined(FEAT_CINDENT) 5732 else 5733 # endif 5734 # ifdef FEAT_CINDENT 5735 if (cindent_on()) 5736 do_c_expr_indent(); 5737 # endif 5738 } 5739 5740 #endif 5741 5742 #ifdef FEAT_CINDENT 5743 /* 5744 * return TRUE if 'cinkeys' contains the key "keytyped", 5745 * when == '*': Only if key is preceded with '*' (indent before insert) 5746 * when == '!': Only if key is prededed with '!' (don't insert) 5747 * when == ' ': Only if key is not preceded with '*'(indent afterwards) 5748 * 5749 * "keytyped" can have a few special values: 5750 * KEY_OPEN_FORW 5751 * KEY_OPEN_BACK 5752 * KEY_COMPLETE just finished completion. 5753 * 5754 * If line_is_empty is TRUE accept keys with '0' before them. 5755 */ 5756 int 5757 in_cinkeys(keytyped, when, line_is_empty) 5758 int keytyped; 5759 int when; 5760 int line_is_empty; 5761 { 5762 char_u *look; 5763 int try_match; 5764 int try_match_word; 5765 char_u *p; 5766 char_u *line; 5767 int icase; 5768 int i; 5769 5770 #ifdef FEAT_EVAL 5771 if (*curbuf->b_p_inde != NUL) 5772 look = curbuf->b_p_indk; /* 'indentexpr' set: use 'indentkeys' */ 5773 else 5774 #endif 5775 look = curbuf->b_p_cink; /* 'indentexpr' empty: use 'cinkeys' */ 5776 while (*look) 5777 { 5778 /* 5779 * Find out if we want to try a match with this key, depending on 5780 * 'when' and a '*' or '!' before the key. 5781 */ 5782 switch (when) 5783 { 5784 case '*': try_match = (*look == '*'); break; 5785 case '!': try_match = (*look == '!'); break; 5786 default: try_match = (*look != '*'); break; 5787 } 5788 if (*look == '*' || *look == '!') 5789 ++look; 5790 5791 /* 5792 * If there is a '0', only accept a match if the line is empty. 5793 * But may still match when typing last char of a word. 5794 */ 5795 if (*look == '0') 5796 { 5797 try_match_word = try_match; 5798 if (!line_is_empty) 5799 try_match = FALSE; 5800 ++look; 5801 } 5802 else 5803 try_match_word = FALSE; 5804 5805 /* 5806 * does it look like a control character? 5807 */ 5808 if (*look == '^' 5809 #ifdef EBCDIC 5810 && (Ctrl_chr(look[1]) != 0) 5811 #else 5812 && look[1] >= '?' && look[1] <= '_' 5813 #endif 5814 ) 5815 { 5816 if (try_match && keytyped == Ctrl_chr(look[1])) 5817 return TRUE; 5818 look += 2; 5819 } 5820 /* 5821 * 'o' means "o" command, open forward. 5822 * 'O' means "O" command, open backward. 5823 */ 5824 else if (*look == 'o') 5825 { 5826 if (try_match && keytyped == KEY_OPEN_FORW) 5827 return TRUE; 5828 ++look; 5829 } 5830 else if (*look == 'O') 5831 { 5832 if (try_match && keytyped == KEY_OPEN_BACK) 5833 return TRUE; 5834 ++look; 5835 } 5836 5837 /* 5838 * 'e' means to check for "else" at start of line and just before the 5839 * cursor. 5840 */ 5841 else if (*look == 'e') 5842 { 5843 if (try_match && keytyped == 'e' && curwin->w_cursor.col >= 4) 5844 { 5845 p = ml_get_curline(); 5846 if (skipwhite(p) == p + curwin->w_cursor.col - 4 && 5847 STRNCMP(p + curwin->w_cursor.col - 4, "else", 4) == 0) 5848 return TRUE; 5849 } 5850 ++look; 5851 } 5852 5853 /* 5854 * ':' only causes an indent if it is at the end of a label or case 5855 * statement, or when it was before typing the ':' (to fix 5856 * class::method for C++). 5857 */ 5858 else if (*look == ':') 5859 { 5860 if (try_match && keytyped == ':') 5861 { 5862 p = ml_get_curline(); 5863 if (cin_iscase(p) || cin_isscopedecl(p) || cin_islabel(30)) 5864 return TRUE; 5865 if (curwin->w_cursor.col > 2 5866 && p[curwin->w_cursor.col - 1] == ':' 5867 && p[curwin->w_cursor.col - 2] == ':') 5868 { 5869 p[curwin->w_cursor.col - 1] = ' '; 5870 i = (cin_iscase(p) || cin_isscopedecl(p) 5871 || cin_islabel(30)); 5872 p = ml_get_curline(); 5873 p[curwin->w_cursor.col - 1] = ':'; 5874 if (i) 5875 return TRUE; 5876 } 5877 } 5878 ++look; 5879 } 5880 5881 5882 /* 5883 * Is it a key in <>, maybe? 5884 */ 5885 else if (*look == '<') 5886 { 5887 if (try_match) 5888 { 5889 /* 5890 * make up some named keys <o>, <O>, <e>, <0>, <>>, <<>, <*>, 5891 * <:> and <!> so that people can re-indent on o, O, e, 0, <, 5892 * >, *, : and ! keys if they really really want to. 5893 */ 5894 if (vim_strchr((char_u *)"<>!*oOe0:", look[1]) != NULL 5895 && keytyped == look[1]) 5896 return TRUE; 5897 5898 if (keytyped == get_special_key_code(look + 1)) 5899 return TRUE; 5900 } 5901 while (*look && *look != '>') 5902 look++; 5903 while (*look == '>') 5904 look++; 5905 } 5906 5907 /* 5908 * Is it a word: "=word"? 5909 */ 5910 else if (*look == '=' && look[1] != ',' && look[1] != NUL) 5911 { 5912 ++look; 5913 if (*look == '~') 5914 { 5915 icase = TRUE; 5916 ++look; 5917 } 5918 else 5919 icase = FALSE; 5920 p = vim_strchr(look, ','); 5921 if (p == NULL) 5922 p = look + STRLEN(look); 5923 if ((try_match || try_match_word) 5924 && curwin->w_cursor.col >= (colnr_T)(p - look)) 5925 { 5926 int match = FALSE; 5927 5928 #ifdef FEAT_INS_EXPAND 5929 if (keytyped == KEY_COMPLETE) 5930 { 5931 char_u *s; 5932 5933 /* Just completed a word, check if it starts with "look". 5934 * search back for the start of a word. */ 5935 line = ml_get_curline(); 5936 # ifdef FEAT_MBYTE 5937 if (has_mbyte) 5938 { 5939 char_u *n; 5940 5941 for (s = line + curwin->w_cursor.col; s > line; s = n) 5942 { 5943 n = mb_prevptr(line, s); 5944 if (!vim_iswordp(n)) 5945 break; 5946 } 5947 } 5948 else 5949 # endif 5950 for (s = line + curwin->w_cursor.col; s > line; --s) 5951 if (!vim_iswordc(s[-1])) 5952 break; 5953 if (s + (p - look) <= line + curwin->w_cursor.col 5954 && (icase 5955 ? MB_STRNICMP(s, look, p - look) 5956 : STRNCMP(s, look, p - look)) == 0) 5957 match = TRUE; 5958 } 5959 else 5960 #endif 5961 /* TODO: multi-byte */ 5962 if (keytyped == (int)p[-1] || (icase && keytyped < 256 5963 && TOLOWER_LOC(keytyped) == TOLOWER_LOC((int)p[-1]))) 5964 { 5965 line = ml_get_cursor(); 5966 if ((curwin->w_cursor.col == (colnr_T)(p - look) 5967 || !vim_iswordc(line[-(p - look) - 1])) 5968 && (icase 5969 ? MB_STRNICMP(line - (p - look), look, p - look) 5970 : STRNCMP(line - (p - look), look, p - look)) 5971 == 0) 5972 match = TRUE; 5973 } 5974 if (match && try_match_word && !try_match) 5975 { 5976 /* "0=word": Check if there are only blanks before the 5977 * word. */ 5978 line = ml_get_curline(); 5979 if ((int)(skipwhite(line) - line) != 5980 (int)(curwin->w_cursor.col - (p - look))) 5981 match = FALSE; 5982 } 5983 if (match) 5984 return TRUE; 5985 } 5986 look = p; 5987 } 5988 5989 /* 5990 * ok, it's a boring generic character. 5991 */ 5992 else 5993 { 5994 if (try_match && *look == keytyped) 5995 return TRUE; 5996 ++look; 5997 } 5998 5999 /* 6000 * Skip over ", ". 6001 */ 6002 look = skip_to_option_part(look); 6003 } 6004 return FALSE; 6005 } 6006 #endif /* FEAT_CINDENT */ 6007 6008 #if defined(FEAT_RIGHTLEFT) || defined(PROTO) 6009 /* 6010 * Map Hebrew keyboard when in hkmap mode. 6011 */ 6012 int 6013 hkmap(c) 6014 int c; 6015 { 6016 if (p_hkmapp) /* phonetic mapping, by Ilya Dogolazky */ 6017 { 6018 enum {hALEF=0, BET, GIMEL, DALET, HEI, VAV, ZAIN, HET, TET, IUD, 6019 KAFsofit, hKAF, LAMED, MEMsofit, MEM, NUNsofit, NUN, SAMEH, AIN, 6020 PEIsofit, PEI, ZADIsofit, ZADI, KOF, RESH, hSHIN, TAV}; 6021 static char_u map[26] = 6022 {(char_u)hALEF/*a*/, (char_u)BET /*b*/, (char_u)hKAF /*c*/, 6023 (char_u)DALET/*d*/, (char_u)-1 /*e*/, (char_u)PEIsofit/*f*/, 6024 (char_u)GIMEL/*g*/, (char_u)HEI /*h*/, (char_u)IUD /*i*/, 6025 (char_u)HET /*j*/, (char_u)KOF /*k*/, (char_u)LAMED /*l*/, 6026 (char_u)MEM /*m*/, (char_u)NUN /*n*/, (char_u)SAMEH /*o*/, 6027 (char_u)PEI /*p*/, (char_u)-1 /*q*/, (char_u)RESH /*r*/, 6028 (char_u)ZAIN /*s*/, (char_u)TAV /*t*/, (char_u)TET /*u*/, 6029 (char_u)VAV /*v*/, (char_u)hSHIN/*w*/, (char_u)-1 /*x*/, 6030 (char_u)AIN /*y*/, (char_u)ZADI /*z*/}; 6031 6032 if (c == 'N' || c == 'M' || c == 'P' || c == 'C' || c == 'Z') 6033 return (int)(map[CharOrd(c)] - 1 + p_aleph); 6034 /* '-1'='sofit' */ 6035 else if (c == 'x') 6036 return 'X'; 6037 else if (c == 'q') 6038 return '\''; /* {geresh}={'} */ 6039 else if (c == 246) 6040 return ' '; /* \"o --> ' ' for a german keyboard */ 6041 else if (c == 228) 6042 return ' '; /* \"a --> ' ' -- / -- */ 6043 else if (c == 252) 6044 return ' '; /* \"u --> ' ' -- / -- */ 6045 #ifdef EBCDIC 6046 else if (islower(c)) 6047 #else 6048 /* NOTE: islower() does not do the right thing for us on Linux so we 6049 * do this the same was as 5.7 and previous, so it works correctly on 6050 * all systems. Specifically, the e.g. Delete and Arrow keys are 6051 * munged and won't work if e.g. searching for Hebrew text. 6052 */ 6053 else if (c >= 'a' && c <= 'z') 6054 #endif 6055 return (int)(map[CharOrdLow(c)] + p_aleph); 6056 else 6057 return c; 6058 } 6059 else 6060 { 6061 switch (c) 6062 { 6063 case '`': return ';'; 6064 case '/': return '.'; 6065 case '\'': return ','; 6066 case 'q': return '/'; 6067 case 'w': return '\''; 6068 6069 /* Hebrew letters - set offset from 'a' */ 6070 case ',': c = '{'; break; 6071 case '.': c = 'v'; break; 6072 case ';': c = 't'; break; 6073 default: { 6074 static char str[] = "zqbcxlsjphmkwonu ydafe rig"; 6075 6076 #ifdef EBCDIC 6077 /* see note about islower() above */ 6078 if (!islower(c)) 6079 #else 6080 if (c < 'a' || c > 'z') 6081 #endif 6082 return c; 6083 c = str[CharOrdLow(c)]; 6084 break; 6085 } 6086 } 6087 6088 return (int)(CharOrdLow(c) + p_aleph); 6089 } 6090 } 6091 #endif 6092 6093 static void 6094 ins_reg() 6095 { 6096 int need_redraw = FALSE; 6097 int regname; 6098 int literally = 0; 6099 6100 /* 6101 * If we are going to wait for a character, show a '"'. 6102 */ 6103 pc_status = PC_STATUS_UNSET; 6104 if (redrawing() && !char_avail()) 6105 { 6106 /* may need to redraw when no more chars available now */ 6107 ins_redraw(); 6108 6109 edit_putchar('"', TRUE); 6110 #ifdef FEAT_CMDL_INFO 6111 add_to_showcmd_c(Ctrl_R); 6112 #endif 6113 } 6114 6115 #ifdef USE_ON_FLY_SCROLL 6116 dont_scroll = TRUE; /* disallow scrolling here */ 6117 #endif 6118 6119 /* 6120 * Don't map the register name. This also prevents the mode message to be 6121 * deleted when ESC is hit. 6122 */ 6123 ++no_mapping; 6124 regname = safe_vgetc(); 6125 #ifdef FEAT_LANGMAP 6126 LANGMAP_ADJUST(regname, TRUE); 6127 #endif 6128 if (regname == Ctrl_R || regname == Ctrl_O || regname == Ctrl_P) 6129 { 6130 /* Get a third key for literal register insertion */ 6131 literally = regname; 6132 #ifdef FEAT_CMDL_INFO 6133 add_to_showcmd_c(literally); 6134 #endif 6135 regname = safe_vgetc(); 6136 #ifdef FEAT_LANGMAP 6137 LANGMAP_ADJUST(regname, TRUE); 6138 #endif 6139 } 6140 --no_mapping; 6141 6142 #ifdef FEAT_EVAL 6143 /* 6144 * Don't call u_sync() while getting the expression, 6145 * evaluating it or giving an error message for it! 6146 */ 6147 ++no_u_sync; 6148 if (regname == '=') 6149 { 6150 # ifdef USE_IM_CONTROL 6151 int im_on = im_get_status(); 6152 # endif 6153 regname = get_expr_register(); 6154 # ifdef USE_IM_CONTROL 6155 /* Restore the Input Method. */ 6156 if (im_on) 6157 im_set_active(TRUE); 6158 # endif 6159 } 6160 if (regname == NUL || !valid_yank_reg(regname, FALSE)) 6161 { 6162 vim_beep(); 6163 need_redraw = TRUE; /* remove the '"' */ 6164 } 6165 else 6166 { 6167 #endif 6168 if (literally == Ctrl_O || literally == Ctrl_P) 6169 { 6170 /* Append the command to the redo buffer. */ 6171 AppendCharToRedobuff(Ctrl_R); 6172 AppendCharToRedobuff(literally); 6173 AppendCharToRedobuff(regname); 6174 6175 do_put(regname, BACKWARD, 1L, 6176 (literally == Ctrl_P ? PUT_FIXINDENT : 0) | PUT_CURSEND); 6177 } 6178 else if (insert_reg(regname, literally) == FAIL) 6179 { 6180 vim_beep(); 6181 need_redraw = TRUE; /* remove the '"' */ 6182 } 6183 else if (stop_insert_mode) 6184 /* When the '=' register was used and a function was invoked that 6185 * did ":stopinsert" then stuff_empty() returns FALSE but we won't 6186 * insert anything, need to remove the '"' */ 6187 need_redraw = TRUE; 6188 6189 #ifdef FEAT_EVAL 6190 } 6191 --no_u_sync; 6192 #endif 6193 #ifdef FEAT_CMDL_INFO 6194 clear_showcmd(); 6195 #endif 6196 6197 /* If the inserted register is empty, we need to remove the '"' */ 6198 if (need_redraw || stuff_empty()) 6199 edit_unputchar(); 6200 } 6201 6202 /* 6203 * CTRL-G commands in Insert mode. 6204 */ 6205 static void 6206 ins_ctrl_g() 6207 { 6208 int c; 6209 6210 #ifdef FEAT_INS_EXPAND 6211 /* Right after CTRL-X the cursor will be after the ruler. */ 6212 setcursor(); 6213 #endif 6214 6215 /* 6216 * Don't map the second key. This also prevents the mode message to be 6217 * deleted when ESC is hit. 6218 */ 6219 ++no_mapping; 6220 c = safe_vgetc(); 6221 --no_mapping; 6222 switch (c) 6223 { 6224 /* CTRL-G k and CTRL-G <Up>: cursor up to Insstart.col */ 6225 case K_UP: 6226 case Ctrl_K: 6227 case 'k': ins_up(TRUE); 6228 break; 6229 6230 /* CTRL-G j and CTRL-G <Down>: cursor down to Insstart.col */ 6231 case K_DOWN: 6232 case Ctrl_J: 6233 case 'j': ins_down(TRUE); 6234 break; 6235 6236 /* CTRL-G u: start new undoable edit */ 6237 case 'u': u_sync(); 6238 ins_need_undo = TRUE; 6239 break; 6240 6241 /* Unknown CTRL-G command, reserved for future expansion. */ 6242 default: vim_beep(); 6243 } 6244 } 6245 6246 /* 6247 * CTRL-^ in Insert mode. 6248 */ 6249 static void 6250 ins_ctrl_hat() 6251 { 6252 if (map_to_exists_mode((char_u *)"", LANGMAP)) 6253 { 6254 /* ":lmap" mappings exists, Toggle use of ":lmap" mappings. */ 6255 if (State & LANGMAP) 6256 { 6257 curbuf->b_p_iminsert = B_IMODE_NONE; 6258 State &= ~LANGMAP; 6259 } 6260 else 6261 { 6262 curbuf->b_p_iminsert = B_IMODE_LMAP; 6263 State |= LANGMAP; 6264 #ifdef USE_IM_CONTROL 6265 im_set_active(FALSE); 6266 #endif 6267 } 6268 } 6269 #ifdef USE_IM_CONTROL 6270 else 6271 { 6272 /* There are no ":lmap" mappings, toggle IM */ 6273 if (im_get_status()) 6274 { 6275 curbuf->b_p_iminsert = B_IMODE_NONE; 6276 im_set_active(FALSE); 6277 } 6278 else 6279 { 6280 curbuf->b_p_iminsert = B_IMODE_IM; 6281 State &= ~LANGMAP; 6282 im_set_active(TRUE); 6283 } 6284 } 6285 #endif 6286 set_iminsert_global(); 6287 showmode(); 6288 #ifdef FEAT_GUI 6289 /* may show different cursor shape or color */ 6290 if (gui.in_use) 6291 gui_update_cursor(TRUE, FALSE); 6292 #endif 6293 #if defined(FEAT_WINDOWS) && defined(FEAT_KEYMAP) 6294 /* Show/unshow value of 'keymap' in status lines. */ 6295 status_redraw_curbuf(); 6296 #endif 6297 } 6298 6299 /* 6300 * Handle ESC in insert mode. 6301 * Returns TRUE when leaving insert mode, FALSE when going to repeat the 6302 * insert. 6303 */ 6304 static int 6305 ins_esc(count, cmdchar, nomove) 6306 long *count; 6307 int cmdchar; 6308 int nomove; /* don't move cursor */ 6309 { 6310 int temp; 6311 static int disabled_redraw = FALSE; 6312 6313 #ifdef FEAT_SYN_HL 6314 check_spell_redraw(); 6315 #endif 6316 #if defined(FEAT_HANGULIN) 6317 # if defined(ESC_CHG_TO_ENG_MODE) 6318 hangul_input_state_set(0); 6319 # endif 6320 if (composing_hangul) 6321 { 6322 push_raw_key(composing_hangul_buffer, 2); 6323 composing_hangul = 0; 6324 } 6325 #endif 6326 #if defined(FEAT_MBYTE) && defined(MACOS_CLASSIC) 6327 previous_script = GetScriptManagerVariable(smKeyScript); 6328 KeyScript(smKeyRoman); /* or smKeySysScript */ 6329 #endif 6330 6331 temp = curwin->w_cursor.col; 6332 if (disabled_redraw) 6333 { 6334 --RedrawingDisabled; 6335 disabled_redraw = FALSE; 6336 } 6337 if (!arrow_used) 6338 { 6339 /* 6340 * Don't append the ESC for "r<CR>" and "grx". 6341 * When 'insertmode' is set only CTRL-L stops Insert mode. Needed for 6342 * when "count" is non-zero. 6343 */ 6344 if (cmdchar != 'r' && cmdchar != 'v') 6345 AppendToRedobuff(p_im ? (char_u *)"\014" : ESC_STR); 6346 6347 /* 6348 * Repeating insert may take a long time. Check for 6349 * interrupt now and then. 6350 */ 6351 if (*count > 0) 6352 { 6353 line_breakcheck(); 6354 if (got_int) 6355 *count = 0; 6356 } 6357 6358 if (--*count > 0) /* repeat what was typed */ 6359 { 6360 /* Vi repeats the insert without replacing characters. */ 6361 if (vim_strchr(p_cpo, CPO_REPLCNT) != NULL) 6362 State &= ~REPLACE_FLAG; 6363 6364 (void)start_redo_ins(); 6365 if (cmdchar == 'r' || cmdchar == 'v') 6366 stuffReadbuff(ESC_STR); /* no ESC in redo buffer */ 6367 ++RedrawingDisabled; 6368 disabled_redraw = TRUE; 6369 return FALSE; /* repeat the insert */ 6370 } 6371 stop_insert(&curwin->w_cursor, TRUE); 6372 undisplay_dollar(); 6373 } 6374 6375 /* When an autoindent was removed, curswant stays after the 6376 * indent */ 6377 if (restart_edit == NUL && (colnr_T)temp == curwin->w_cursor.col) 6378 curwin->w_set_curswant = TRUE; 6379 6380 /* Remember the last Insert position in the '^ mark. */ 6381 if (!cmdmod.keepjumps) 6382 curbuf->b_last_insert = curwin->w_cursor; 6383 6384 /* 6385 * The cursor should end up on the last inserted character. 6386 * Don't do it for CTRL-O, unless past the end of the line. 6387 */ 6388 if (!nomove 6389 && (curwin->w_cursor.col != 0 6390 #ifdef FEAT_VIRTUALEDIT 6391 || curwin->w_cursor.coladd > 0 6392 #endif 6393 ) 6394 && (restart_edit == NUL 6395 || (gchar_cursor() == NUL 6396 #ifdef FEAT_VISUAL 6397 && !VIsual_active 6398 #endif 6399 )) 6400 #ifdef FEAT_RIGHTLEFT 6401 && !revins_on 6402 #endif 6403 ) 6404 { 6405 #ifdef FEAT_VIRTUALEDIT 6406 if (curwin->w_cursor.coladd > 0 || ve_flags == VE_ALL) 6407 { 6408 oneleft(); 6409 if (restart_edit != NUL) 6410 ++curwin->w_cursor.coladd; 6411 } 6412 else 6413 #endif 6414 { 6415 --curwin->w_cursor.col; 6416 #ifdef FEAT_MBYTE 6417 /* Correct cursor for multi-byte character. */ 6418 if (has_mbyte) 6419 mb_adjust_cursor(); 6420 #endif 6421 } 6422 } 6423 6424 #ifdef USE_IM_CONTROL 6425 /* Disable IM to allow typing English directly for Normal mode commands. 6426 * When ":lmap" is enabled don't change 'iminsert' (IM can be enabled as 6427 * well). */ 6428 if (!(State & LANGMAP)) 6429 im_save_status(&curbuf->b_p_iminsert); 6430 im_set_active(FALSE); 6431 #endif 6432 6433 State = NORMAL; 6434 /* need to position cursor again (e.g. when on a TAB ) */ 6435 changed_cline_bef_curs(); 6436 6437 #ifdef FEAT_MOUSE 6438 setmouse(); 6439 #endif 6440 #ifdef CURSOR_SHAPE 6441 ui_cursor_shape(); /* may show different cursor shape */ 6442 #endif 6443 6444 /* 6445 * When recording or for CTRL-O, need to display the new mode. 6446 * Otherwise remove the mode message. 6447 */ 6448 if (Recording || restart_edit != NUL) 6449 showmode(); 6450 else if (p_smd) 6451 MSG(""); 6452 6453 return TRUE; /* exit Insert mode */ 6454 } 6455 6456 #ifdef FEAT_RIGHTLEFT 6457 /* 6458 * Toggle language: hkmap and revins_on. 6459 * Move to end of reverse inserted text. 6460 */ 6461 static void 6462 ins_ctrl_() 6463 { 6464 if (revins_on && revins_chars && revins_scol >= 0) 6465 { 6466 while (gchar_cursor() != NUL && revins_chars--) 6467 ++curwin->w_cursor.col; 6468 } 6469 p_ri = !p_ri; 6470 revins_on = (State == INSERT && p_ri); 6471 if (revins_on) 6472 { 6473 revins_scol = curwin->w_cursor.col; 6474 revins_legal++; 6475 revins_chars = 0; 6476 undisplay_dollar(); 6477 } 6478 else 6479 revins_scol = -1; 6480 #ifdef FEAT_FKMAP 6481 if (p_altkeymap) 6482 { 6483 /* 6484 * to be consistent also for redo command, using '.' 6485 * set arrow_used to true and stop it - causing to redo 6486 * characters entered in one mode (normal/reverse insert). 6487 */ 6488 arrow_used = TRUE; 6489 (void)stop_arrow(); 6490 p_fkmap = curwin->w_p_rl ^ p_ri; 6491 if (p_fkmap && p_ri) 6492 State = INSERT; 6493 } 6494 else 6495 #endif 6496 p_hkmap = curwin->w_p_rl ^ p_ri; /* be consistent! */ 6497 showmode(); 6498 } 6499 #endif 6500 6501 #ifdef FEAT_VISUAL 6502 /* 6503 * If 'keymodel' contains "startsel", may start selection. 6504 * Returns TRUE when a CTRL-O and other keys stuffed. 6505 */ 6506 static int 6507 ins_start_select(c) 6508 int c; 6509 { 6510 if (km_startsel) 6511 switch (c) 6512 { 6513 case K_KHOME: 6514 case K_KEND: 6515 case K_PAGEUP: 6516 case K_KPAGEUP: 6517 case K_PAGEDOWN: 6518 case K_KPAGEDOWN: 6519 # ifdef MACOS 6520 case K_LEFT: 6521 case K_RIGHT: 6522 case K_UP: 6523 case K_DOWN: 6524 case K_END: 6525 case K_HOME: 6526 # endif 6527 if (!(mod_mask & MOD_MASK_SHIFT)) 6528 break; 6529 /* FALLTHROUGH */ 6530 case K_S_LEFT: 6531 case K_S_RIGHT: 6532 case K_S_UP: 6533 case K_S_DOWN: 6534 case K_S_END: 6535 case K_S_HOME: 6536 /* Start selection right away, the cursor can move with 6537 * CTRL-O when beyond the end of the line. */ 6538 start_selection(); 6539 6540 /* Execute the key in (insert) Select mode. */ 6541 stuffcharReadbuff(Ctrl_O); 6542 if (mod_mask) 6543 { 6544 char_u buf[4]; 6545 6546 buf[0] = K_SPECIAL; 6547 buf[1] = KS_MODIFIER; 6548 buf[2] = mod_mask; 6549 buf[3] = NUL; 6550 stuffReadbuff(buf); 6551 } 6552 stuffcharReadbuff(c); 6553 return TRUE; 6554 } 6555 return FALSE; 6556 } 6557 #endif 6558 6559 /* 6560 * <Insert> key in Insert mode: toggle insert/remplace mode. 6561 */ 6562 static void 6563 ins_insert(replaceState) 6564 int replaceState; 6565 { 6566 #ifdef FEAT_FKMAP 6567 if (p_fkmap && p_ri) 6568 { 6569 beep_flush(); 6570 EMSG(farsi_text_3); /* encoded in Farsi */ 6571 return; 6572 } 6573 #endif 6574 6575 #ifdef FEAT_AUTOCMD 6576 set_vim_var_string(VV_INSERTMODE, 6577 (char_u *)((State & REPLACE_FLAG) ? "i" : 6578 replaceState == VREPLACE ? "v" : "r"), 1); 6579 apply_autocmds(EVENT_INSERTCHANGE, NULL, NULL, FALSE, curbuf); 6580 #endif 6581 if (State & REPLACE_FLAG) 6582 State = INSERT | (State & LANGMAP); 6583 else 6584 State = replaceState | (State & LANGMAP); 6585 AppendCharToRedobuff(K_INS); 6586 showmode(); 6587 #ifdef CURSOR_SHAPE 6588 ui_cursor_shape(); /* may show different cursor shape */ 6589 #endif 6590 } 6591 6592 /* 6593 * Pressed CTRL-O in Insert mode. 6594 */ 6595 static void 6596 ins_ctrl_o() 6597 { 6598 #ifdef FEAT_VREPLACE 6599 if (State & VREPLACE_FLAG) 6600 restart_edit = 'V'; 6601 else 6602 #endif 6603 if (State & REPLACE_FLAG) 6604 restart_edit = 'R'; 6605 else 6606 restart_edit = 'I'; 6607 #ifdef FEAT_VIRTUALEDIT 6608 if (virtual_active()) 6609 ins_at_eol = FALSE; /* cursor always keeps its column */ 6610 else 6611 #endif 6612 ins_at_eol = (gchar_cursor() == NUL); 6613 } 6614 6615 /* 6616 * If the cursor is on an indent, ^T/^D insert/delete one 6617 * shiftwidth. Otherwise ^T/^D behave like a "<<" or ">>". 6618 * Always round the indent to 'shiftwith', this is compatible 6619 * with vi. But vi only supports ^T and ^D after an 6620 * autoindent, we support it everywhere. 6621 */ 6622 static void 6623 ins_shift(c, lastc) 6624 int c; 6625 int lastc; 6626 { 6627 if (stop_arrow() == FAIL) 6628 return; 6629 AppendCharToRedobuff(c); 6630 6631 /* 6632 * 0^D and ^^D: remove all indent. 6633 */ 6634 if ((lastc == '0' || lastc == '^') && curwin->w_cursor.col) 6635 { 6636 --curwin->w_cursor.col; 6637 (void)del_char(FALSE); /* delete the '^' or '0' */ 6638 /* In Replace mode, restore the characters that '^' or '0' replaced. */ 6639 if (State & REPLACE_FLAG) 6640 replace_pop_ins(); 6641 if (lastc == '^') 6642 old_indent = get_indent(); /* remember curr. indent */ 6643 change_indent(INDENT_SET, 0, TRUE, 0); 6644 } 6645 else 6646 change_indent(c == Ctrl_D ? INDENT_DEC : INDENT_INC, 0, TRUE, 0); 6647 6648 if (did_ai && *skipwhite(ml_get_curline()) != NUL) 6649 did_ai = FALSE; 6650 #ifdef FEAT_SMARTINDENT 6651 did_si = FALSE; 6652 can_si = FALSE; 6653 can_si_back = FALSE; 6654 #endif 6655 #ifdef FEAT_CINDENT 6656 can_cindent = FALSE; /* no cindenting after ^D or ^T */ 6657 #endif 6658 } 6659 6660 static void 6661 ins_del() 6662 { 6663 int temp; 6664 6665 if (stop_arrow() == FAIL) 6666 return; 6667 if (gchar_cursor() == NUL) /* delete newline */ 6668 { 6669 temp = curwin->w_cursor.col; 6670 if (!can_bs(BS_EOL) /* only if "eol" included */ 6671 || u_save((linenr_T)(curwin->w_cursor.lnum - 1), 6672 (linenr_T)(curwin->w_cursor.lnum + 2)) == FAIL 6673 || do_join(FALSE) == FAIL) 6674 vim_beep(); 6675 else 6676 curwin->w_cursor.col = temp; 6677 } 6678 else if (del_char(FALSE) == FAIL) /* delete char under cursor */ 6679 vim_beep(); 6680 did_ai = FALSE; 6681 #ifdef FEAT_SMARTINDENT 6682 did_si = FALSE; 6683 can_si = FALSE; 6684 can_si_back = FALSE; 6685 #endif 6686 AppendCharToRedobuff(K_DEL); 6687 } 6688 6689 /* 6690 * Handle Backspace, delete-word and delete-line in Insert mode. 6691 * Return TRUE when backspace was actually used. 6692 */ 6693 static int 6694 ins_bs(c, mode, inserted_space_p) 6695 int c; 6696 int mode; 6697 int *inserted_space_p; 6698 { 6699 linenr_T lnum; 6700 int cc; 6701 int temp = 0; /* init for GCC */ 6702 colnr_T mincol; 6703 int did_backspace = FALSE; 6704 int in_indent; 6705 int oldState; 6706 #ifdef FEAT_MBYTE 6707 int p1, p2; 6708 #endif 6709 6710 /* 6711 * can't delete anything in an empty file 6712 * can't backup past first character in buffer 6713 * can't backup past starting point unless 'backspace' > 1 6714 * can backup to a previous line if 'backspace' == 0 6715 */ 6716 if ( bufempty() 6717 || ( 6718 #ifdef FEAT_RIGHTLEFT 6719 !revins_on && 6720 #endif 6721 ((curwin->w_cursor.lnum == 1 && curwin->w_cursor.col == 0) 6722 || (!can_bs(BS_START) 6723 && (arrow_used 6724 || (curwin->w_cursor.lnum == Insstart.lnum 6725 && curwin->w_cursor.col <= Insstart.col))) 6726 || (!can_bs(BS_INDENT) && !arrow_used && ai_col > 0 6727 && curwin->w_cursor.col <= ai_col) 6728 || (!can_bs(BS_EOL) && curwin->w_cursor.col == 0)))) 6729 { 6730 vim_beep(); 6731 return FALSE; 6732 } 6733 6734 if (stop_arrow() == FAIL) 6735 return FALSE; 6736 in_indent = inindent(0); 6737 #ifdef FEAT_CINDENT 6738 if (in_indent) 6739 can_cindent = FALSE; 6740 #endif 6741 #ifdef FEAT_COMMENTS 6742 end_comment_pending = NUL; /* After BS, don't auto-end comment */ 6743 #endif 6744 #ifdef FEAT_RIGHTLEFT 6745 if (revins_on) /* put cursor after last inserted char */ 6746 inc_cursor(); 6747 #endif 6748 6749 #ifdef FEAT_VIRTUALEDIT 6750 /* Virtualedit: 6751 * BACKSPACE_CHAR eats a virtual space 6752 * BACKSPACE_WORD eats all coladd 6753 * BACKSPACE_LINE eats all coladd and keeps going 6754 */ 6755 if (curwin->w_cursor.coladd > 0) 6756 { 6757 if (mode == BACKSPACE_CHAR) 6758 { 6759 --curwin->w_cursor.coladd; 6760 return TRUE; 6761 } 6762 if (mode == BACKSPACE_WORD) 6763 { 6764 curwin->w_cursor.coladd = 0; 6765 return TRUE; 6766 } 6767 curwin->w_cursor.coladd = 0; 6768 } 6769 #endif 6770 6771 /* 6772 * delete newline! 6773 */ 6774 if (curwin->w_cursor.col == 0) 6775 { 6776 lnum = Insstart.lnum; 6777 if (curwin->w_cursor.lnum == Insstart.lnum 6778 #ifdef FEAT_RIGHTLEFT 6779 || revins_on 6780 #endif 6781 ) 6782 { 6783 if (u_save((linenr_T)(curwin->w_cursor.lnum - 2), 6784 (linenr_T)(curwin->w_cursor.lnum + 1)) == FAIL) 6785 return FALSE; 6786 --Insstart.lnum; 6787 Insstart.col = MAXCOL; 6788 } 6789 /* 6790 * In replace mode: 6791 * cc < 0: NL was inserted, delete it 6792 * cc >= 0: NL was replaced, put original characters back 6793 */ 6794 cc = -1; 6795 if (State & REPLACE_FLAG) 6796 cc = replace_pop(); /* returns -1 if NL was inserted */ 6797 /* 6798 * In replace mode, in the line we started replacing, we only move the 6799 * cursor. 6800 */ 6801 if ((State & REPLACE_FLAG) && curwin->w_cursor.lnum <= lnum) 6802 { 6803 dec_cursor(); 6804 } 6805 else 6806 { 6807 #ifdef FEAT_VREPLACE 6808 if (!(State & VREPLACE_FLAG) 6809 || curwin->w_cursor.lnum > orig_line_count) 6810 #endif 6811 { 6812 temp = gchar_cursor(); /* remember current char */ 6813 --curwin->w_cursor.lnum; 6814 6815 /* When "aw" is in 'formatoptions' we must delete the space at 6816 * the end of the line, otherwise the line will be broken 6817 * again when auto-formatting. */ 6818 if (has_format_option(FO_AUTO) 6819 && has_format_option(FO_WHITE_PAR)) 6820 { 6821 char_u *ptr = ml_get_buf(curbuf, curwin->w_cursor.lnum, 6822 TRUE); 6823 int len; 6824 6825 len = STRLEN(ptr); 6826 if (len > 0 && ptr[len - 1] == ' ') 6827 ptr[len - 1] = NUL; 6828 } 6829 6830 (void)do_join(FALSE); 6831 if (temp == NUL && gchar_cursor() != NUL) 6832 inc_cursor(); 6833 } 6834 #ifdef FEAT_VREPLACE 6835 else 6836 dec_cursor(); 6837 #endif 6838 6839 /* 6840 * In REPLACE mode we have to put back the text that was replaced 6841 * by the NL. On the replace stack is first a NUL-terminated 6842 * sequence of characters that were deleted and then the 6843 * characters that NL replaced. 6844 */ 6845 if (State & REPLACE_FLAG) 6846 { 6847 /* 6848 * Do the next ins_char() in NORMAL state, to 6849 * prevent ins_char() from replacing characters and 6850 * avoiding showmatch(). 6851 */ 6852 oldState = State; 6853 State = NORMAL; 6854 /* 6855 * restore characters (blanks) deleted after cursor 6856 */ 6857 while (cc > 0) 6858 { 6859 temp = curwin->w_cursor.col; 6860 #ifdef FEAT_MBYTE 6861 mb_replace_pop_ins(cc); 6862 #else 6863 ins_char(cc); 6864 #endif 6865 curwin->w_cursor.col = temp; 6866 cc = replace_pop(); 6867 } 6868 /* restore the characters that NL replaced */ 6869 replace_pop_ins(); 6870 State = oldState; 6871 } 6872 } 6873 did_ai = FALSE; 6874 } 6875 else 6876 { 6877 /* 6878 * Delete character(s) before the cursor. 6879 */ 6880 #ifdef FEAT_RIGHTLEFT 6881 if (revins_on) /* put cursor on last inserted char */ 6882 dec_cursor(); 6883 #endif 6884 mincol = 0; 6885 /* keep indent */ 6886 if (mode == BACKSPACE_LINE && curbuf->b_p_ai 6887 #ifdef FEAT_RIGHTLEFT 6888 && !revins_on 6889 #endif 6890 ) 6891 { 6892 temp = curwin->w_cursor.col; 6893 beginline(BL_WHITE); 6894 if (curwin->w_cursor.col < (colnr_T)temp) 6895 mincol = curwin->w_cursor.col; 6896 curwin->w_cursor.col = temp; 6897 } 6898 6899 /* 6900 * Handle deleting one 'shiftwidth' or 'softtabstop'. 6901 */ 6902 if ( mode == BACKSPACE_CHAR 6903 && ((p_sta && in_indent) 6904 || (curbuf->b_p_sts 6905 && (*(ml_get_cursor() - 1) == TAB 6906 || (*(ml_get_cursor() - 1) == ' ' 6907 && (!*inserted_space_p 6908 || arrow_used)))))) 6909 { 6910 int ts; 6911 colnr_T vcol; 6912 colnr_T want_vcol; 6913 int extra = 0; 6914 6915 *inserted_space_p = FALSE; 6916 if (p_sta) 6917 ts = curbuf->b_p_sw; 6918 else 6919 ts = curbuf->b_p_sts; 6920 /* Compute the virtual column where we want to be. Since 6921 * 'showbreak' may get in the way, need to get the last column of 6922 * the previous character. */ 6923 getvcol(curwin, &curwin->w_cursor, &vcol, NULL, NULL); 6924 dec_cursor(); 6925 getvcol(curwin, &curwin->w_cursor, NULL, NULL, &want_vcol); 6926 inc_cursor(); 6927 want_vcol = (want_vcol / ts) * ts; 6928 6929 /* delete characters until we are at or before want_vcol */ 6930 while (vcol > want_vcol 6931 && (cc = *(ml_get_cursor() - 1), vim_iswhite(cc))) 6932 { 6933 dec_cursor(); 6934 getvcol(curwin, &curwin->w_cursor, &vcol, NULL, NULL); 6935 if (State & REPLACE_FLAG) 6936 { 6937 /* Don't delete characters before the insert point when in 6938 * Replace mode */ 6939 if (curwin->w_cursor.lnum != Insstart.lnum 6940 || curwin->w_cursor.col >= Insstart.col) 6941 { 6942 #if 0 /* what was this for? It causes problems when sw != ts. */ 6943 if (State == REPLACE && (int)vcol < want_vcol) 6944 { 6945 (void)del_char(FALSE); 6946 extra = 2; /* don't pop too much */ 6947 } 6948 else 6949 #endif 6950 replace_do_bs(); 6951 } 6952 } 6953 else 6954 (void)del_char(FALSE); 6955 } 6956 6957 /* insert extra spaces until we are at want_vcol */ 6958 while (vcol < want_vcol) 6959 { 6960 /* Remember the first char we inserted */ 6961 if (curwin->w_cursor.lnum == Insstart.lnum 6962 && curwin->w_cursor.col < Insstart.col) 6963 Insstart.col = curwin->w_cursor.col; 6964 6965 #ifdef FEAT_VREPLACE 6966 if (State & VREPLACE_FLAG) 6967 ins_char(' '); 6968 else 6969 #endif 6970 { 6971 ins_str((char_u *)" "); 6972 if ((State & REPLACE_FLAG) && extra <= 1) 6973 { 6974 if (extra) 6975 replace_push_off(NUL); 6976 else 6977 replace_push(NUL); 6978 } 6979 if (extra == 2) 6980 extra = 1; 6981 } 6982 getvcol(curwin, &curwin->w_cursor, &vcol, NULL, NULL); 6983 } 6984 } 6985 6986 /* 6987 * Delete upto starting point, start of line or previous word. 6988 */ 6989 else do 6990 { 6991 #ifdef FEAT_RIGHTLEFT 6992 if (!revins_on) /* put cursor on char to be deleted */ 6993 #endif 6994 dec_cursor(); 6995 6996 /* start of word? */ 6997 if (mode == BACKSPACE_WORD && !vim_isspace(gchar_cursor())) 6998 { 6999 mode = BACKSPACE_WORD_NOT_SPACE; 7000 temp = vim_iswordc(gchar_cursor()); 7001 } 7002 /* end of word? */ 7003 else if (mode == BACKSPACE_WORD_NOT_SPACE 7004 && (vim_isspace(cc = gchar_cursor()) 7005 || vim_iswordc(cc) != temp)) 7006 { 7007 #ifdef FEAT_RIGHTLEFT 7008 if (!revins_on) 7009 #endif 7010 inc_cursor(); 7011 #ifdef FEAT_RIGHTLEFT 7012 else if (State & REPLACE_FLAG) 7013 dec_cursor(); 7014 #endif 7015 break; 7016 } 7017 if (State & REPLACE_FLAG) 7018 replace_do_bs(); 7019 else 7020 { 7021 #ifdef FEAT_MBYTE 7022 if (enc_utf8 && p_deco) 7023 (void)utfc_ptr2char(ml_get_cursor(), &p1, &p2); 7024 #endif 7025 (void)del_char(FALSE); 7026 #ifdef FEAT_MBYTE 7027 /* 7028 * If p1 or p2 is non-zero, there are combining characters we 7029 * need to take account of. Don't back up before the base 7030 * character. 7031 */ 7032 if (enc_utf8 && p_deco && (p1 != NUL || p2 != NUL)) 7033 inc_cursor(); 7034 #endif 7035 #ifdef FEAT_RIGHTLEFT 7036 if (revins_chars) 7037 { 7038 revins_chars--; 7039 revins_legal++; 7040 } 7041 if (revins_on && gchar_cursor() == NUL) 7042 break; 7043 #endif 7044 } 7045 /* Just a single backspace?: */ 7046 if (mode == BACKSPACE_CHAR) 7047 break; 7048 } while ( 7049 #ifdef FEAT_RIGHTLEFT 7050 revins_on || 7051 #endif 7052 (curwin->w_cursor.col > mincol 7053 && (curwin->w_cursor.lnum != Insstart.lnum 7054 || curwin->w_cursor.col != Insstart.col))); 7055 did_backspace = TRUE; 7056 } 7057 #ifdef FEAT_SMARTINDENT 7058 did_si = FALSE; 7059 can_si = FALSE; 7060 can_si_back = FALSE; 7061 #endif 7062 if (curwin->w_cursor.col <= 1) 7063 did_ai = FALSE; 7064 /* 7065 * It's a little strange to put backspaces into the redo 7066 * buffer, but it makes auto-indent a lot easier to deal 7067 * with. 7068 */ 7069 AppendCharToRedobuff(c); 7070 7071 /* If deleted before the insertion point, adjust it */ 7072 if (curwin->w_cursor.lnum == Insstart.lnum 7073 && curwin->w_cursor.col < Insstart.col) 7074 Insstart.col = curwin->w_cursor.col; 7075 7076 /* vi behaviour: the cursor moves backward but the character that 7077 * was there remains visible 7078 * Vim behaviour: the cursor moves backward and the character that 7079 * was there is erased from the screen. 7080 * We can emulate the vi behaviour by pretending there is a dollar 7081 * displayed even when there isn't. 7082 * --pkv Sun Jan 19 01:56:40 EST 2003 */ 7083 if (vim_strchr(p_cpo, CPO_BACKSPACE) != NULL && dollar_vcol == 0) 7084 dollar_vcol = curwin->w_virtcol; 7085 7086 return did_backspace; 7087 } 7088 7089 #ifdef FEAT_MOUSE 7090 static void 7091 ins_mouse(c) 7092 int c; 7093 { 7094 pos_T tpos; 7095 7096 # ifdef FEAT_GUI 7097 /* When GUI is active, also move/paste when 'mouse' is empty */ 7098 if (!gui.in_use) 7099 # endif 7100 if (!mouse_has(MOUSE_INSERT)) 7101 return; 7102 7103 undisplay_dollar(); 7104 tpos = curwin->w_cursor; 7105 if (do_mouse(NULL, c, BACKWARD, 1L, 0)) 7106 { 7107 start_arrow(&tpos); 7108 # ifdef FEAT_CINDENT 7109 can_cindent = TRUE; 7110 # endif 7111 } 7112 7113 #ifdef FEAT_WINDOWS 7114 /* redraw status lines (in case another window became active) */ 7115 redraw_statuslines(); 7116 #endif 7117 } 7118 7119 static void 7120 ins_mousescroll(up) 7121 int up; 7122 { 7123 pos_T tpos; 7124 # if defined(FEAT_GUI) && defined(FEAT_WINDOWS) 7125 win_T *old_curwin; 7126 # endif 7127 7128 tpos = curwin->w_cursor; 7129 7130 # if defined(FEAT_GUI) && defined(FEAT_WINDOWS) 7131 old_curwin = curwin; 7132 7133 /* Currently the mouse coordinates are only known in the GUI. */ 7134 if (gui.in_use && mouse_row >= 0 && mouse_col >= 0) 7135 { 7136 int row, col; 7137 7138 row = mouse_row; 7139 col = mouse_col; 7140 7141 /* find the window at the pointer coordinates */ 7142 curwin = mouse_find_win(&row, &col); 7143 curbuf = curwin->w_buffer; 7144 } 7145 if (curwin == old_curwin) 7146 # endif 7147 undisplay_dollar(); 7148 7149 if (mod_mask & (MOD_MASK_SHIFT | MOD_MASK_CTRL)) 7150 scroll_redraw(up, (long)(curwin->w_botline - curwin->w_topline)); 7151 else 7152 scroll_redraw(up, 3L); 7153 7154 # if defined(FEAT_GUI) && defined(FEAT_WINDOWS) 7155 curwin->w_redr_status = TRUE; 7156 7157 curwin = old_curwin; 7158 curbuf = curwin->w_buffer; 7159 # endif 7160 7161 if (!equalpos(curwin->w_cursor, tpos)) 7162 { 7163 start_arrow(&tpos); 7164 # ifdef FEAT_CINDENT 7165 can_cindent = TRUE; 7166 # endif 7167 } 7168 } 7169 #endif 7170 7171 #ifdef FEAT_GUI 7172 void 7173 ins_scroll() 7174 { 7175 pos_T tpos; 7176 7177 undisplay_dollar(); 7178 tpos = curwin->w_cursor; 7179 if (gui_do_scroll()) 7180 { 7181 start_arrow(&tpos); 7182 # ifdef FEAT_CINDENT 7183 can_cindent = TRUE; 7184 # endif 7185 } 7186 } 7187 7188 void 7189 ins_horscroll() 7190 { 7191 pos_T tpos; 7192 7193 undisplay_dollar(); 7194 tpos = curwin->w_cursor; 7195 if (gui_do_horiz_scroll()) 7196 { 7197 start_arrow(&tpos); 7198 # ifdef FEAT_CINDENT 7199 can_cindent = TRUE; 7200 # endif 7201 } 7202 } 7203 #endif 7204 7205 static void 7206 ins_left() 7207 { 7208 pos_T tpos; 7209 7210 #ifdef FEAT_FOLDING 7211 if ((fdo_flags & FDO_HOR) && KeyTyped) 7212 foldOpenCursor(); 7213 #endif 7214 undisplay_dollar(); 7215 tpos = curwin->w_cursor; 7216 if (oneleft() == OK) 7217 { 7218 start_arrow(&tpos); 7219 #ifdef FEAT_RIGHTLEFT 7220 /* If exit reversed string, position is fixed */ 7221 if (revins_scol != -1 && (int)curwin->w_cursor.col >= revins_scol) 7222 revins_legal++; 7223 revins_chars++; 7224 #endif 7225 } 7226 7227 /* 7228 * if 'whichwrap' set for cursor in insert mode may go to 7229 * previous line 7230 */ 7231 else if (vim_strchr(p_ww, '[') != NULL && curwin->w_cursor.lnum > 1) 7232 { 7233 start_arrow(&tpos); 7234 --(curwin->w_cursor.lnum); 7235 coladvance((colnr_T)MAXCOL); 7236 curwin->w_set_curswant = TRUE; /* so we stay at the end */ 7237 } 7238 else 7239 vim_beep(); 7240 } 7241 7242 static void 7243 ins_home(c) 7244 int c; 7245 { 7246 pos_T tpos; 7247 7248 #ifdef FEAT_FOLDING 7249 if ((fdo_flags & FDO_HOR) && KeyTyped) 7250 foldOpenCursor(); 7251 #endif 7252 undisplay_dollar(); 7253 tpos = curwin->w_cursor; 7254 if (c == K_C_HOME) 7255 curwin->w_cursor.lnum = 1; 7256 curwin->w_cursor.col = 0; 7257 #ifdef FEAT_VIRTUALEDIT 7258 curwin->w_cursor.coladd = 0; 7259 #endif 7260 curwin->w_curswant = 0; 7261 start_arrow(&tpos); 7262 } 7263 7264 static void 7265 ins_end(c) 7266 int c; 7267 { 7268 pos_T tpos; 7269 7270 #ifdef FEAT_FOLDING 7271 if ((fdo_flags & FDO_HOR) && KeyTyped) 7272 foldOpenCursor(); 7273 #endif 7274 undisplay_dollar(); 7275 tpos = curwin->w_cursor; 7276 if (c == K_C_END) 7277 curwin->w_cursor.lnum = curbuf->b_ml.ml_line_count; 7278 coladvance((colnr_T)MAXCOL); 7279 curwin->w_curswant = MAXCOL; 7280 7281 start_arrow(&tpos); 7282 } 7283 7284 static void 7285 ins_s_left() 7286 { 7287 #ifdef FEAT_FOLDING 7288 if ((fdo_flags & FDO_HOR) && KeyTyped) 7289 foldOpenCursor(); 7290 #endif 7291 undisplay_dollar(); 7292 if (curwin->w_cursor.lnum > 1 || curwin->w_cursor.col > 0) 7293 { 7294 start_arrow(&curwin->w_cursor); 7295 (void)bck_word(1L, FALSE, FALSE); 7296 curwin->w_set_curswant = TRUE; 7297 } 7298 else 7299 vim_beep(); 7300 } 7301 7302 static void 7303 ins_right() 7304 { 7305 #ifdef FEAT_FOLDING 7306 if ((fdo_flags & FDO_HOR) && KeyTyped) 7307 foldOpenCursor(); 7308 #endif 7309 undisplay_dollar(); 7310 if (gchar_cursor() != NUL || virtual_active() 7311 ) 7312 { 7313 start_arrow(&curwin->w_cursor); 7314 curwin->w_set_curswant = TRUE; 7315 #ifdef FEAT_VIRTUALEDIT 7316 if (virtual_active()) 7317 oneright(); 7318 else 7319 #endif 7320 { 7321 #ifdef FEAT_MBYTE 7322 if (has_mbyte) 7323 curwin->w_cursor.col += (*mb_ptr2len)(ml_get_cursor()); 7324 else 7325 #endif 7326 ++curwin->w_cursor.col; 7327 } 7328 7329 #ifdef FEAT_RIGHTLEFT 7330 revins_legal++; 7331 if (revins_chars) 7332 revins_chars--; 7333 #endif 7334 } 7335 /* if 'whichwrap' set for cursor in insert mode, may move the 7336 * cursor to the next line */ 7337 else if (vim_strchr(p_ww, ']') != NULL 7338 && curwin->w_cursor.lnum < curbuf->b_ml.ml_line_count) 7339 { 7340 start_arrow(&curwin->w_cursor); 7341 curwin->w_set_curswant = TRUE; 7342 ++curwin->w_cursor.lnum; 7343 curwin->w_cursor.col = 0; 7344 } 7345 else 7346 vim_beep(); 7347 } 7348 7349 static void 7350 ins_s_right() 7351 { 7352 #ifdef FEAT_FOLDING 7353 if ((fdo_flags & FDO_HOR) && KeyTyped) 7354 foldOpenCursor(); 7355 #endif 7356 undisplay_dollar(); 7357 if (curwin->w_cursor.lnum < curbuf->b_ml.ml_line_count 7358 || gchar_cursor() != NUL) 7359 { 7360 start_arrow(&curwin->w_cursor); 7361 (void)fwd_word(1L, FALSE, 0); 7362 curwin->w_set_curswant = TRUE; 7363 } 7364 else 7365 vim_beep(); 7366 } 7367 7368 static void 7369 ins_up(startcol) 7370 int startcol; /* when TRUE move to Insstart.col */ 7371 { 7372 pos_T tpos; 7373 linenr_T old_topline = curwin->w_topline; 7374 #ifdef FEAT_DIFF 7375 int old_topfill = curwin->w_topfill; 7376 #endif 7377 7378 undisplay_dollar(); 7379 tpos = curwin->w_cursor; 7380 if (cursor_up(1L, TRUE) == OK) 7381 { 7382 if (startcol) 7383 coladvance(getvcol_nolist(&Insstart)); 7384 if (old_topline != curwin->w_topline 7385 #ifdef FEAT_DIFF 7386 || old_topfill != curwin->w_topfill 7387 #endif 7388 ) 7389 redraw_later(VALID); 7390 start_arrow(&tpos); 7391 #ifdef FEAT_CINDENT 7392 can_cindent = TRUE; 7393 #endif 7394 } 7395 else 7396 vim_beep(); 7397 } 7398 7399 static void 7400 ins_pageup() 7401 { 7402 pos_T tpos; 7403 7404 undisplay_dollar(); 7405 tpos = curwin->w_cursor; 7406 if (onepage(BACKWARD, 1L) == OK) 7407 { 7408 start_arrow(&tpos); 7409 #ifdef FEAT_CINDENT 7410 can_cindent = TRUE; 7411 #endif 7412 } 7413 else 7414 vim_beep(); 7415 } 7416 7417 static void 7418 ins_down(startcol) 7419 int startcol; /* when TRUE move to Insstart.col */ 7420 { 7421 pos_T tpos; 7422 linenr_T old_topline = curwin->w_topline; 7423 #ifdef FEAT_DIFF 7424 int old_topfill = curwin->w_topfill; 7425 #endif 7426 7427 undisplay_dollar(); 7428 tpos = curwin->w_cursor; 7429 if (cursor_down(1L, TRUE) == OK) 7430 { 7431 if (startcol) 7432 coladvance(getvcol_nolist(&Insstart)); 7433 if (old_topline != curwin->w_topline 7434 #ifdef FEAT_DIFF 7435 || old_topfill != curwin->w_topfill 7436 #endif 7437 ) 7438 redraw_later(VALID); 7439 start_arrow(&tpos); 7440 #ifdef FEAT_CINDENT 7441 can_cindent = TRUE; 7442 #endif 7443 } 7444 else 7445 vim_beep(); 7446 } 7447 7448 static void 7449 ins_pagedown() 7450 { 7451 pos_T tpos; 7452 7453 undisplay_dollar(); 7454 tpos = curwin->w_cursor; 7455 if (onepage(FORWARD, 1L) == OK) 7456 { 7457 start_arrow(&tpos); 7458 #ifdef FEAT_CINDENT 7459 can_cindent = TRUE; 7460 #endif 7461 } 7462 else 7463 vim_beep(); 7464 } 7465 7466 #ifdef FEAT_DND 7467 static void 7468 ins_drop() 7469 { 7470 do_put('~', BACKWARD, 1L, PUT_CURSEND); 7471 } 7472 #endif 7473 7474 /* 7475 * Handle TAB in Insert or Replace mode. 7476 * Return TRUE when the TAB needs to be inserted like a normal character. 7477 */ 7478 static int 7479 ins_tab() 7480 { 7481 int ind; 7482 int i; 7483 int temp; 7484 7485 if (Insstart_blank_vcol == MAXCOL && curwin->w_cursor.lnum == Insstart.lnum) 7486 Insstart_blank_vcol = get_nolist_virtcol(); 7487 if (echeck_abbr(TAB + ABBR_OFF)) 7488 return FALSE; 7489 7490 ind = inindent(0); 7491 #ifdef FEAT_CINDENT 7492 if (ind) 7493 can_cindent = FALSE; 7494 #endif 7495 7496 /* 7497 * When nothing special, insert TAB like a normal character 7498 */ 7499 if (!curbuf->b_p_et 7500 && !(p_sta && ind && curbuf->b_p_ts != curbuf->b_p_sw) 7501 && curbuf->b_p_sts == 0) 7502 return TRUE; 7503 7504 if (stop_arrow() == FAIL) 7505 return TRUE; 7506 7507 did_ai = FALSE; 7508 #ifdef FEAT_SMARTINDENT 7509 did_si = FALSE; 7510 can_si = FALSE; 7511 can_si_back = FALSE; 7512 #endif 7513 AppendToRedobuff((char_u *)"\t"); 7514 7515 if (p_sta && ind) /* insert tab in indent, use 'shiftwidth' */ 7516 temp = (int)curbuf->b_p_sw; 7517 else if (curbuf->b_p_sts > 0) /* use 'softtabstop' when set */ 7518 temp = (int)curbuf->b_p_sts; 7519 else /* otherwise use 'tabstop' */ 7520 temp = (int)curbuf->b_p_ts; 7521 temp -= get_nolist_virtcol() % temp; 7522 7523 /* 7524 * Insert the first space with ins_char(). It will delete one char in 7525 * replace mode. Insert the rest with ins_str(); it will not delete any 7526 * chars. For VREPLACE mode, we use ins_char() for all characters. 7527 */ 7528 ins_char(' '); 7529 while (--temp > 0) 7530 { 7531 #ifdef FEAT_VREPLACE 7532 if (State & VREPLACE_FLAG) 7533 ins_char(' '); 7534 else 7535 #endif 7536 { 7537 ins_str((char_u *)" "); 7538 if (State & REPLACE_FLAG) /* no char replaced */ 7539 replace_push(NUL); 7540 } 7541 } 7542 7543 /* 7544 * When 'expandtab' not set: Replace spaces by TABs where possible. 7545 */ 7546 if (!curbuf->b_p_et && (curbuf->b_p_sts || (p_sta && ind))) 7547 { 7548 char_u *ptr; 7549 #ifdef FEAT_VREPLACE 7550 char_u *saved_line = NULL; /* init for GCC */ 7551 pos_T pos; 7552 #endif 7553 pos_T fpos; 7554 pos_T *cursor; 7555 colnr_T want_vcol, vcol; 7556 int change_col = -1; 7557 int save_list = curwin->w_p_list; 7558 7559 /* 7560 * Get the current line. For VREPLACE mode, don't make real changes 7561 * yet, just work on a copy of the line. 7562 */ 7563 #ifdef FEAT_VREPLACE 7564 if (State & VREPLACE_FLAG) 7565 { 7566 pos = curwin->w_cursor; 7567 cursor = &pos; 7568 saved_line = vim_strsave(ml_get_curline()); 7569 if (saved_line == NULL) 7570 return FALSE; 7571 ptr = saved_line + pos.col; 7572 } 7573 else 7574 #endif 7575 { 7576 ptr = ml_get_cursor(); 7577 cursor = &curwin->w_cursor; 7578 } 7579 7580 /* When 'L' is not in 'cpoptions' a tab always takes up 'ts' spaces. */ 7581 if (vim_strchr(p_cpo, CPO_LISTWM) == NULL) 7582 curwin->w_p_list = FALSE; 7583 7584 /* Find first white before the cursor */ 7585 fpos = curwin->w_cursor; 7586 while (fpos.col > 0 && vim_iswhite(ptr[-1])) 7587 { 7588 --fpos.col; 7589 --ptr; 7590 } 7591 7592 /* In Replace mode, don't change characters before the insert point. */ 7593 if ((State & REPLACE_FLAG) 7594 && fpos.lnum == Insstart.lnum 7595 && fpos.col < Insstart.col) 7596 { 7597 ptr += Insstart.col - fpos.col; 7598 fpos.col = Insstart.col; 7599 } 7600 7601 /* compute virtual column numbers of first white and cursor */ 7602 getvcol(curwin, &fpos, &vcol, NULL, NULL); 7603 getvcol(curwin, cursor, &want_vcol, NULL, NULL); 7604 7605 /* Use as many TABs as possible. Beware of 'showbreak' and 7606 * 'linebreak' adding extra virtual columns. */ 7607 while (vim_iswhite(*ptr)) 7608 { 7609 i = lbr_chartabsize((char_u *)"\t", vcol); 7610 if (vcol + i > want_vcol) 7611 break; 7612 if (*ptr != TAB) 7613 { 7614 *ptr = TAB; 7615 if (change_col < 0) 7616 { 7617 change_col = fpos.col; /* Column of first change */ 7618 /* May have to adjust Insstart */ 7619 if (fpos.lnum == Insstart.lnum && fpos.col < Insstart.col) 7620 Insstart.col = fpos.col; 7621 } 7622 } 7623 ++fpos.col; 7624 ++ptr; 7625 vcol += i; 7626 } 7627 7628 if (change_col >= 0) 7629 { 7630 int repl_off = 0; 7631 7632 /* Skip over the spaces we need. */ 7633 while (vcol < want_vcol && *ptr == ' ') 7634 { 7635 vcol += lbr_chartabsize(ptr, vcol); 7636 ++ptr; 7637 ++repl_off; 7638 } 7639 if (vcol > want_vcol) 7640 { 7641 /* Must have a char with 'showbreak' just before it. */ 7642 --ptr; 7643 --repl_off; 7644 } 7645 fpos.col += repl_off; 7646 7647 /* Delete following spaces. */ 7648 i = cursor->col - fpos.col; 7649 if (i > 0) 7650 { 7651 mch_memmove(ptr, ptr + i, STRLEN(ptr + i) + 1); 7652 /* correct replace stack. */ 7653 if ((State & REPLACE_FLAG) 7654 #ifdef FEAT_VREPLACE 7655 && !(State & VREPLACE_FLAG) 7656 #endif 7657 ) 7658 for (temp = i; --temp >= 0; ) 7659 replace_join(repl_off); 7660 } 7661 #ifdef FEAT_NETBEANS_INTG 7662 if (usingNetbeans) 7663 { 7664 netbeans_removed(curbuf, fpos.lnum, cursor->col, 7665 (long)(i + 1)); 7666 netbeans_inserted(curbuf, fpos.lnum, cursor->col, 7667 (char_u *)"\t", 1); 7668 } 7669 #endif 7670 cursor->col -= i; 7671 7672 #ifdef FEAT_VREPLACE 7673 /* 7674 * In VREPLACE mode, we haven't changed anything yet. Do it now by 7675 * backspacing over the changed spacing and then inserting the new 7676 * spacing. 7677 */ 7678 if (State & VREPLACE_FLAG) 7679 { 7680 /* Backspace from real cursor to change_col */ 7681 backspace_until_column(change_col); 7682 7683 /* Insert each char in saved_line from changed_col to 7684 * ptr-cursor */ 7685 ins_bytes_len(saved_line + change_col, 7686 cursor->col - change_col); 7687 } 7688 #endif 7689 } 7690 7691 #ifdef FEAT_VREPLACE 7692 if (State & VREPLACE_FLAG) 7693 vim_free(saved_line); 7694 #endif 7695 curwin->w_p_list = save_list; 7696 } 7697 7698 return FALSE; 7699 } 7700 7701 /* 7702 * Handle CR or NL in insert mode. 7703 * Return TRUE when out of memory or can't undo. 7704 */ 7705 static int 7706 ins_eol(c) 7707 int c; 7708 { 7709 int i; 7710 7711 if (echeck_abbr(c + ABBR_OFF)) 7712 return FALSE; 7713 if (stop_arrow() == FAIL) 7714 return TRUE; 7715 undisplay_dollar(); 7716 7717 /* 7718 * Strange Vi behaviour: In Replace mode, typing a NL will not delete the 7719 * character under the cursor. Only push a NUL on the replace stack, 7720 * nothing to put back when the NL is deleted. 7721 */ 7722 if ((State & REPLACE_FLAG) 7723 #ifdef FEAT_VREPLACE 7724 && !(State & VREPLACE_FLAG) 7725 #endif 7726 ) 7727 replace_push(NUL); 7728 7729 /* 7730 * In VREPLACE mode, a NL replaces the rest of the line, and starts 7731 * replacing the next line, so we push all of the characters left on the 7732 * line onto the replace stack. This is not done here though, it is done 7733 * in open_line(). 7734 */ 7735 7736 #ifdef FEAT_RIGHTLEFT 7737 # ifdef FEAT_FKMAP 7738 if (p_altkeymap && p_fkmap) 7739 fkmap(NL); 7740 # endif 7741 /* NL in reverse insert will always start in the end of 7742 * current line. */ 7743 if (revins_on) 7744 curwin->w_cursor.col += (colnr_T)STRLEN(ml_get_cursor()); 7745 #endif 7746 7747 AppendToRedobuff(NL_STR); 7748 i = open_line(FORWARD, 7749 #ifdef FEAT_COMMENTS 7750 has_format_option(FO_RET_COMS) ? OPENLINE_DO_COM : 7751 #endif 7752 0, old_indent); 7753 old_indent = 0; 7754 #ifdef FEAT_CINDENT 7755 can_cindent = TRUE; 7756 #endif 7757 7758 return (!i); 7759 } 7760 7761 #ifdef FEAT_DIGRAPHS 7762 /* 7763 * Handle digraph in insert mode. 7764 * Returns character still to be inserted, or NUL when nothing remaining to be 7765 * done. 7766 */ 7767 static int 7768 ins_digraph() 7769 { 7770 int c; 7771 int cc; 7772 7773 pc_status = PC_STATUS_UNSET; 7774 if (redrawing() && !char_avail()) 7775 { 7776 /* may need to redraw when no more chars available now */ 7777 ins_redraw(); 7778 7779 edit_putchar('?', TRUE); 7780 #ifdef FEAT_CMDL_INFO 7781 add_to_showcmd_c(Ctrl_K); 7782 #endif 7783 } 7784 7785 #ifdef USE_ON_FLY_SCROLL 7786 dont_scroll = TRUE; /* disallow scrolling here */ 7787 #endif 7788 7789 /* don't map the digraph chars. This also prevents the 7790 * mode message to be deleted when ESC is hit */ 7791 ++no_mapping; 7792 ++allow_keys; 7793 c = safe_vgetc(); 7794 --no_mapping; 7795 --allow_keys; 7796 if (IS_SPECIAL(c) || mod_mask) /* special key */ 7797 { 7798 #ifdef FEAT_CMDL_INFO 7799 clear_showcmd(); 7800 #endif 7801 insert_special(c, TRUE, FALSE); 7802 return NUL; 7803 } 7804 if (c != ESC) 7805 { 7806 if (redrawing() && !char_avail()) 7807 { 7808 /* may need to redraw when no more chars available now */ 7809 ins_redraw(); 7810 7811 if (char2cells(c) == 1) 7812 { 7813 /* first remove the '?', otherwise it's restored when typing 7814 * an ESC next */ 7815 edit_unputchar(); 7816 ins_redraw(); 7817 edit_putchar(c, TRUE); 7818 } 7819 #ifdef FEAT_CMDL_INFO 7820 add_to_showcmd_c(c); 7821 #endif 7822 } 7823 ++no_mapping; 7824 ++allow_keys; 7825 cc = safe_vgetc(); 7826 --no_mapping; 7827 --allow_keys; 7828 if (cc != ESC) 7829 { 7830 AppendToRedobuff((char_u *)CTRL_V_STR); 7831 c = getdigraph(c, cc, TRUE); 7832 #ifdef FEAT_CMDL_INFO 7833 clear_showcmd(); 7834 #endif 7835 return c; 7836 } 7837 } 7838 edit_unputchar(); 7839 #ifdef FEAT_CMDL_INFO 7840 clear_showcmd(); 7841 #endif 7842 return NUL; 7843 } 7844 #endif 7845 7846 /* 7847 * Handle CTRL-E and CTRL-Y in Insert mode: copy char from other line. 7848 * Returns the char to be inserted, or NUL if none found. 7849 */ 7850 static int 7851 ins_copychar(lnum) 7852 linenr_T lnum; 7853 { 7854 int c; 7855 int temp; 7856 char_u *ptr, *prev_ptr; 7857 7858 if (lnum < 1 || lnum > curbuf->b_ml.ml_line_count) 7859 { 7860 vim_beep(); 7861 return NUL; 7862 } 7863 7864 /* try to advance to the cursor column */ 7865 temp = 0; 7866 ptr = ml_get(lnum); 7867 prev_ptr = ptr; 7868 validate_virtcol(); 7869 while ((colnr_T)temp < curwin->w_virtcol && *ptr != NUL) 7870 { 7871 prev_ptr = ptr; 7872 temp += lbr_chartabsize_adv(&ptr, (colnr_T)temp); 7873 } 7874 if ((colnr_T)temp > curwin->w_virtcol) 7875 ptr = prev_ptr; 7876 7877 #ifdef FEAT_MBYTE 7878 c = (*mb_ptr2char)(ptr); 7879 #else 7880 c = *ptr; 7881 #endif 7882 if (c == NUL) 7883 vim_beep(); 7884 return c; 7885 } 7886 7887 /* 7888 * CTRL-Y or CTRL-E typed in Insert mode. 7889 */ 7890 static int 7891 ins_ctrl_ey(tc) 7892 int tc; 7893 { 7894 int c = tc; 7895 7896 #ifdef FEAT_INS_EXPAND 7897 if (ctrl_x_mode == CTRL_X_SCROLL) 7898 { 7899 if (c == Ctrl_Y) 7900 scrolldown_clamp(); 7901 else 7902 scrollup_clamp(); 7903 redraw_later(VALID); 7904 } 7905 else 7906 #endif 7907 { 7908 c = ins_copychar(curwin->w_cursor.lnum + (c == Ctrl_Y ? -1 : 1)); 7909 if (c != NUL) 7910 { 7911 long tw_save; 7912 7913 /* The character must be taken literally, insert like it 7914 * was typed after a CTRL-V, and pretend 'textwidth' 7915 * wasn't set. Digits, 'o' and 'x' are special after a 7916 * CTRL-V, don't use it for these. */ 7917 if (c < 256 && !isalnum(c)) 7918 AppendToRedobuff((char_u *)CTRL_V_STR); /* CTRL-V */ 7919 tw_save = curbuf->b_p_tw; 7920 curbuf->b_p_tw = -1; 7921 insert_special(c, TRUE, FALSE); 7922 curbuf->b_p_tw = tw_save; 7923 #ifdef FEAT_RIGHTLEFT 7924 revins_chars++; 7925 revins_legal++; 7926 #endif 7927 c = Ctrl_V; /* pretend CTRL-V is last character */ 7928 auto_format(FALSE, TRUE); 7929 } 7930 } 7931 return c; 7932 } 7933 7934 #ifdef FEAT_SMARTINDENT 7935 /* 7936 * Try to do some very smart auto-indenting. 7937 * Used when inserting a "normal" character. 7938 */ 7939 static void 7940 ins_try_si(c) 7941 int c; 7942 { 7943 pos_T *pos, old_pos; 7944 char_u *ptr; 7945 int i; 7946 int temp; 7947 7948 /* 7949 * do some very smart indenting when entering '{' or '}' 7950 */ 7951 if (((did_si || can_si_back) && c == '{') || (can_si && c == '}')) 7952 { 7953 /* 7954 * for '}' set indent equal to indent of line containing matching '{' 7955 */ 7956 if (c == '}' && (pos = findmatch(NULL, '{')) != NULL) 7957 { 7958 old_pos = curwin->w_cursor; 7959 /* 7960 * If the matching '{' has a ')' immediately before it (ignoring 7961 * white-space), then line up with the start of the line 7962 * containing the matching '(' if there is one. This handles the 7963 * case where an "if (..\n..) {" statement continues over multiple 7964 * lines -- webb 7965 */ 7966 ptr = ml_get(pos->lnum); 7967 i = pos->col; 7968 if (i > 0) /* skip blanks before '{' */ 7969 while (--i > 0 && vim_iswhite(ptr[i])) 7970 ; 7971 curwin->w_cursor.lnum = pos->lnum; 7972 curwin->w_cursor.col = i; 7973 if (ptr[i] == ')' && (pos = findmatch(NULL, '(')) != NULL) 7974 curwin->w_cursor = *pos; 7975 i = get_indent(); 7976 curwin->w_cursor = old_pos; 7977 #ifdef FEAT_VREPLACE 7978 if (State & VREPLACE_FLAG) 7979 change_indent(INDENT_SET, i, FALSE, NUL); 7980 else 7981 #endif 7982 (void)set_indent(i, SIN_CHANGED); 7983 } 7984 else if (curwin->w_cursor.col > 0) 7985 { 7986 /* 7987 * when inserting '{' after "O" reduce indent, but not 7988 * more than indent of previous line 7989 */ 7990 temp = TRUE; 7991 if (c == '{' && can_si_back && curwin->w_cursor.lnum > 1) 7992 { 7993 old_pos = curwin->w_cursor; 7994 i = get_indent(); 7995 while (curwin->w_cursor.lnum > 1) 7996 { 7997 ptr = skipwhite(ml_get(--(curwin->w_cursor.lnum))); 7998 7999 /* ignore empty lines and lines starting with '#'. */ 8000 if (*ptr != '#' && *ptr != NUL) 8001 break; 8002 } 8003 if (get_indent() >= i) 8004 temp = FALSE; 8005 curwin->w_cursor = old_pos; 8006 } 8007 if (temp) 8008 shift_line(TRUE, FALSE, 1); 8009 } 8010 } 8011 8012 /* 8013 * set indent of '#' always to 0 8014 */ 8015 if (curwin->w_cursor.col > 0 && can_si && c == '#') 8016 { 8017 /* remember current indent for next line */ 8018 old_indent = get_indent(); 8019 (void)set_indent(0, SIN_CHANGED); 8020 } 8021 8022 /* Adjust ai_col, the char at this position can be deleted. */ 8023 if (ai_col > curwin->w_cursor.col) 8024 ai_col = curwin->w_cursor.col; 8025 } 8026 #endif 8027 8028 /* 8029 * Get the value that w_virtcol would have when 'list' is off. 8030 * Unless 'cpo' contains the 'L' flag. 8031 */ 8032 static colnr_T 8033 get_nolist_virtcol() 8034 { 8035 if (curwin->w_p_list && vim_strchr(p_cpo, CPO_LISTWM) == NULL) 8036 return getvcol_nolist(&curwin->w_cursor); 8037 validate_virtcol(); 8038 return curwin->w_virtcol; 8039 } 8040