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_OMNI 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_(" Omni 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_OMNI) 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_OMNI: 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_OMNI; 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 'omnifunc', 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_OMNI 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_OMNI: 2852 if (*compl_pattern == NUL) 2853 num_matches = 0; 2854 else 2855 num_matches = expand_by_function(type, compl_pattern, &matches); 2856 if (num_matches > 0) 2857 ins_compl_add_matches(num_matches, matches, dir); 2858 break; 2859 #endif 2860 2861 case CTRL_X_SPELL: 2862 #ifdef FEAT_SYN_HL 2863 num_matches = expand_spelling(first_match_pos.lnum, 2864 first_match_pos.col, compl_pattern, &matches); 2865 if (num_matches > 0) 2866 ins_compl_add_matches(num_matches, matches, dir); 2867 #endif 2868 break; 2869 2870 default: /* normal ^P/^N and ^X^L */ 2871 /* 2872 * If 'infercase' is set, don't use 'smartcase' here 2873 */ 2874 save_p_scs = p_scs; 2875 if (ins_buf->b_p_inf) 2876 p_scs = FALSE; 2877 2878 /* buffers other than curbuf are scanned from the beginning or the 2879 * end but never from the middle, thus setting nowrapscan in this 2880 * buffers is a good idea, on the other hand, we always set 2881 * wrapscan for curbuf to avoid missing matches -- Acevedo,Webb */ 2882 save_p_ws = p_ws; 2883 if (ins_buf != curbuf) 2884 p_ws = FALSE; 2885 else if (*e_cpt == '.') 2886 p_ws = TRUE; 2887 for (;;) 2888 { 2889 int flags = 0; 2890 2891 /* ctrl_x_mode == CTRL_X_WHOLE_LINE || word-wise search that has 2892 * added a word that was at the beginning of the line */ 2893 if ( ctrl_x_mode == CTRL_X_WHOLE_LINE 2894 || (compl_cont_status & CONT_SOL)) 2895 found_new_match = search_for_exact_line(ins_buf, pos, 2896 dir, compl_pattern); 2897 else 2898 found_new_match = searchit(NULL, ins_buf, pos, dir, 2899 compl_pattern, 1L, SEARCH_KEEP + SEARCH_NFMSG, 2900 RE_LAST); 2901 if (!compl_started) 2902 { 2903 /* set compl_started even on fail */ 2904 compl_started = TRUE; 2905 first_match_pos = *pos; 2906 last_match_pos = *pos; 2907 } 2908 else if (first_match_pos.lnum == last_match_pos.lnum 2909 && first_match_pos.col == last_match_pos.col) 2910 found_new_match = FAIL; 2911 if (found_new_match == FAIL) 2912 { 2913 if (ins_buf == curbuf) 2914 found_all = TRUE; 2915 break; 2916 } 2917 2918 /* when ADDING, the text before the cursor matches, skip it */ 2919 if ( (compl_cont_status & CONT_ADDING) && ins_buf == curbuf 2920 && ini->lnum == pos->lnum 2921 && ini->col == pos->col) 2922 continue; 2923 ptr = ml_get_buf(ins_buf, pos->lnum, FALSE) + pos->col; 2924 if (ctrl_x_mode == CTRL_X_WHOLE_LINE) 2925 { 2926 if (compl_cont_status & CONT_ADDING) 2927 { 2928 if (pos->lnum >= ins_buf->b_ml.ml_line_count) 2929 continue; 2930 ptr = ml_get_buf(ins_buf, pos->lnum + 1, FALSE); 2931 if (!p_paste) 2932 ptr = skipwhite(ptr); 2933 } 2934 len = (int)STRLEN(ptr); 2935 } 2936 else 2937 { 2938 char_u *tmp_ptr = ptr; 2939 2940 if (compl_cont_status & CONT_ADDING) 2941 { 2942 tmp_ptr += compl_length; 2943 /* Skip if already inside a word. */ 2944 if (vim_iswordp(tmp_ptr)) 2945 continue; 2946 /* Find start of next word. */ 2947 tmp_ptr = find_word_start(tmp_ptr); 2948 } 2949 /* Find end of this word. */ 2950 tmp_ptr = find_word_end(tmp_ptr); 2951 len = (int)(tmp_ptr - ptr); 2952 2953 if ((compl_cont_status & CONT_ADDING) 2954 && len == compl_length) 2955 { 2956 if (pos->lnum < ins_buf->b_ml.ml_line_count) 2957 { 2958 /* Try next line, if any. the new word will be 2959 * "join" as if the normal command "J" was used. 2960 * IOSIZE is always greater than 2961 * compl_length, so the next STRNCPY always 2962 * works -- Acevedo */ 2963 STRNCPY(IObuff, ptr, len); 2964 ptr = ml_get_buf(ins_buf, pos->lnum + 1, FALSE); 2965 tmp_ptr = ptr = skipwhite(ptr); 2966 /* Find start of next word. */ 2967 tmp_ptr = find_word_start(tmp_ptr); 2968 /* Find end of next word. */ 2969 tmp_ptr = find_word_end(tmp_ptr); 2970 if (tmp_ptr > ptr) 2971 { 2972 if (*ptr != ')' && IObuff[len - 1] != TAB) 2973 { 2974 if (IObuff[len - 1] != ' ') 2975 IObuff[len++] = ' '; 2976 /* IObuf =~ "\k.* ", thus len >= 2 */ 2977 if (p_js 2978 && (IObuff[len - 2] == '.' 2979 || (vim_strchr(p_cpo, CPO_JOINSP) 2980 == NULL 2981 && (IObuff[len - 2] == '?' 2982 || IObuff[len - 2] == '!')))) 2983 IObuff[len++] = ' '; 2984 } 2985 /* copy as much as posible of the new word */ 2986 if (tmp_ptr - ptr >= IOSIZE - len) 2987 tmp_ptr = ptr + IOSIZE - len - 1; 2988 STRNCPY(IObuff + len, ptr, tmp_ptr - ptr); 2989 len += (int)(tmp_ptr - ptr); 2990 flags |= CONT_S_IPOS; 2991 } 2992 IObuff[len] = NUL; 2993 ptr = IObuff; 2994 } 2995 if (len == compl_length) 2996 continue; 2997 } 2998 } 2999 if (ins_compl_add_infercase(ptr, len, 3000 ins_buf == curbuf ? NULL : ins_buf->b_sfname, 3001 dir, flags) != NOTDONE) 3002 { 3003 found_new_match = OK; 3004 break; 3005 } 3006 } 3007 p_scs = save_p_scs; 3008 p_ws = save_p_ws; 3009 } 3010 /* check if compl_curr_match has changed, (e.g. other type of 3011 * expansion added somenthing) */ 3012 if (compl_curr_match != old_match) 3013 found_new_match = OK; 3014 3015 /* break the loop for specialized modes (use 'complete' just for the 3016 * generic ctrl_x_mode == 0) or when we've found a new match */ 3017 if ((ctrl_x_mode != 0 && ctrl_x_mode != CTRL_X_WHOLE_LINE) 3018 || found_new_match != FAIL) 3019 break; 3020 3021 /* Mark a buffer scanned when it has been scanned completely */ 3022 if (type == 0 || type == CTRL_X_PATH_PATTERNS) 3023 ins_buf->b_scanned = TRUE; 3024 3025 compl_started = FALSE; 3026 } 3027 compl_started = TRUE; 3028 3029 if ((ctrl_x_mode == 0 || ctrl_x_mode == CTRL_X_WHOLE_LINE) 3030 && *e_cpt == NUL) /* Got to end of 'complete' */ 3031 found_new_match = FAIL; 3032 3033 i = -1; /* total of matches, unknown */ 3034 if (found_new_match == FAIL 3035 || (ctrl_x_mode != 0 && ctrl_x_mode != CTRL_X_WHOLE_LINE)) 3036 i = ins_compl_make_cyclic(); 3037 3038 /* If several matches were added (FORWARD) or the search failed and has 3039 * just been made cyclic then we have to move compl_curr_match to the next 3040 * or previous entry (if any) -- Acevedo */ 3041 compl_curr_match = dir == FORWARD ? old_match->cp_next : old_match->cp_prev; 3042 if (compl_curr_match == NULL) 3043 compl_curr_match = old_match; 3044 return i; 3045 } 3046 3047 /* Delete the old text being completed. */ 3048 static void 3049 ins_compl_delete() 3050 { 3051 int i; 3052 3053 /* 3054 * In insert mode: Delete the typed part. 3055 * In replace mode: Put the old characters back, if any. 3056 */ 3057 i = compl_col + (compl_cont_status & CONT_ADDING ? compl_length : 0); 3058 backspace_until_column(i); 3059 changed_cline_bef_curs(); 3060 } 3061 3062 /* Insert the new text being completed. */ 3063 static void 3064 ins_compl_insert() 3065 { 3066 ins_bytes(compl_shown_match->cp_str + curwin->w_cursor.col - compl_col); 3067 } 3068 3069 /* 3070 * Fill in the next completion in the current direction. 3071 * If "allow_get_expansion" is TRUE, then we may call ins_compl_get_exp() to 3072 * get more completions. If it is FALSE, then we just do nothing when there 3073 * are no more completions in a given direction. The latter case is used when 3074 * we are still in the middle of finding completions, to allow browsing 3075 * through the ones found so far. 3076 * Return the total number of matches, or -1 if still unknown -- webb. 3077 * 3078 * compl_curr_match is currently being used by ins_compl_get_exp(), so we use 3079 * compl_shown_match here. 3080 * 3081 * Note that this function may be called recursively once only. First with 3082 * "allow_get_expansion" TRUE, which calls ins_compl_get_exp(), which in turn 3083 * calls this function with "allow_get_expansion" FALSE. 3084 */ 3085 static int 3086 ins_compl_next(allow_get_expansion) 3087 int allow_get_expansion; 3088 { 3089 int num_matches = -1; 3090 int i; 3091 3092 if (allow_get_expansion) 3093 { 3094 /* Delete old text to be replaced */ 3095 ins_compl_delete(); 3096 } 3097 compl_pending = FALSE; 3098 if (compl_shows_dir == FORWARD && compl_shown_match->cp_next != NULL) 3099 compl_shown_match = compl_shown_match->cp_next; 3100 else if (compl_shows_dir == BACKWARD && compl_shown_match->cp_prev != NULL) 3101 compl_shown_match = compl_shown_match->cp_prev; 3102 else 3103 { 3104 compl_pending = TRUE; 3105 if (allow_get_expansion) 3106 { 3107 num_matches = ins_compl_get_exp(&compl_startpos, 3108 compl_direction); 3109 if (compl_pending) 3110 { 3111 if (compl_direction == compl_shows_dir) 3112 compl_shown_match = compl_curr_match; 3113 } 3114 } 3115 else 3116 return -1; 3117 } 3118 3119 /* Insert the text of the new completion */ 3120 ins_compl_insert(); 3121 3122 if (!allow_get_expansion) 3123 { 3124 /* Display the current match. */ 3125 update_screen(0); 3126 3127 /* Delete old text to be replaced, since we're still searching and 3128 * don't want to match ourselves! */ 3129 ins_compl_delete(); 3130 } 3131 3132 /* 3133 * Show the file name for the match (if any) 3134 * Truncate the file name to avoid a wait for return. 3135 */ 3136 if (compl_shown_match->cp_fname != NULL) 3137 { 3138 STRCPY(IObuff, "match in file "); 3139 i = (vim_strsize(compl_shown_match->cp_fname) + 16) - sc_col; 3140 if (i <= 0) 3141 i = 0; 3142 else 3143 STRCAT(IObuff, "<"); 3144 STRCAT(IObuff, compl_shown_match->cp_fname + i); 3145 msg(IObuff); 3146 redraw_cmdline = FALSE; /* don't overwrite! */ 3147 } 3148 3149 return num_matches; 3150 } 3151 3152 /* 3153 * Call this while finding completions, to check whether the user has hit a key 3154 * that should change the currently displayed completion, or exit completion 3155 * mode. Also, when compl_pending is TRUE, show a completion as soon as 3156 * possible. -- webb 3157 * "frequency" specifies out of how many calls we actually check. 3158 */ 3159 void 3160 ins_compl_check_keys(frequency) 3161 int frequency; 3162 { 3163 static int count = 0; 3164 3165 int c; 3166 3167 /* Don't check when reading keys from a script. That would break the test 3168 * scripts */ 3169 if (using_script()) 3170 return; 3171 3172 /* Only do this at regular intervals */ 3173 if (++count < frequency) 3174 return; 3175 count = 0; 3176 3177 ++no_mapping; 3178 c = vpeekc_any(); 3179 --no_mapping; 3180 if (c != NUL) 3181 { 3182 if (vim_is_ctrl_x_key(c) && c != Ctrl_X && c != Ctrl_R) 3183 { 3184 c = safe_vgetc(); /* Eat the character */ 3185 if (c == Ctrl_P || c == Ctrl_L) 3186 compl_shows_dir = BACKWARD; 3187 else 3188 compl_shows_dir = FORWARD; 3189 (void)ins_compl_next(FALSE); 3190 } 3191 else if (c != Ctrl_R) 3192 compl_interrupted = TRUE; 3193 } 3194 if (compl_pending && !got_int) 3195 (void)ins_compl_next(FALSE); 3196 } 3197 3198 /* 3199 * Do Insert mode completion. 3200 * Called when character "c" was typed, which has a meaning for completion. 3201 * Returns OK if completion was done, FAIL if something failed (out of mem). 3202 */ 3203 static int 3204 ins_complete(c) 3205 int c; 3206 { 3207 char_u *line; 3208 int startcol = 0; /* column where searched text starts */ 3209 colnr_T curs_col; /* cursor column */ 3210 int n; 3211 3212 if (c == Ctrl_P || c == Ctrl_L) 3213 compl_direction = BACKWARD; 3214 else 3215 compl_direction = FORWARD; 3216 if (!compl_started) 3217 { 3218 /* First time we hit ^N or ^P (in a row, I mean) */ 3219 3220 /* Turn off 'sm' so we don't show matches with ^X^L */ 3221 save_sm = p_sm; 3222 p_sm = FALSE; 3223 3224 did_ai = FALSE; 3225 #ifdef FEAT_SMARTINDENT 3226 did_si = FALSE; 3227 can_si = FALSE; 3228 can_si_back = FALSE; 3229 #endif 3230 if (stop_arrow() == FAIL) 3231 return FAIL; 3232 3233 line = ml_get(curwin->w_cursor.lnum); 3234 curs_col = curwin->w_cursor.col; 3235 3236 /* if this same ctrl_x_mode has been interrupted use the text from 3237 * "compl_startpos" to the cursor as a pattern to add a new word 3238 * instead of expand the one before the cursor, in word-wise if 3239 * "compl_startpos" 3240 * is not in the same line as the cursor then fix it (the line has 3241 * been split because it was longer than 'tw'). if SOL is set then 3242 * skip the previous pattern, a word at the beginning of the line has 3243 * been inserted, we'll look for that -- Acevedo. */ 3244 if ((compl_cont_status & CONT_INTRPT) && compl_cont_mode == ctrl_x_mode) 3245 { 3246 /* 3247 * it is a continued search 3248 */ 3249 compl_cont_status &= ~CONT_INTRPT; /* remove INTRPT */ 3250 if (ctrl_x_mode == 0 || ctrl_x_mode == CTRL_X_PATH_PATTERNS 3251 || ctrl_x_mode == CTRL_X_PATH_DEFINES) 3252 { 3253 if (compl_startpos.lnum != curwin->w_cursor.lnum) 3254 { 3255 /* line (probably) wrapped, set compl_startpos to the 3256 * first non_blank in the line, if it is not a wordchar 3257 * include it to get a better pattern, but then we don't 3258 * want the "\\<" prefix, check it bellow */ 3259 compl_col = (colnr_T)(skipwhite(line) - line); 3260 compl_startpos.col = compl_col; 3261 compl_startpos.lnum = curwin->w_cursor.lnum; 3262 compl_cont_status &= ~CONT_SOL; /* clear SOL if present */ 3263 } 3264 else 3265 { 3266 /* S_IPOS was set when we inserted a word that was at the 3267 * beginning of the line, which means that we'll go to SOL 3268 * mode but first we need to redefine compl_startpos */ 3269 if (compl_cont_status & CONT_S_IPOS) 3270 { 3271 compl_cont_status |= CONT_SOL; 3272 compl_startpos.col = (colnr_T)(skipwhite( 3273 line + compl_length 3274 + compl_startpos.col) - line); 3275 } 3276 compl_col = compl_startpos.col; 3277 } 3278 compl_length = curwin->w_cursor.col - (int)compl_col; 3279 /* IObuff is used to add a "word from the next line" would we 3280 * have enough space? just being paranoic */ 3281 #define MIN_SPACE 75 3282 if (compl_length > (IOSIZE - MIN_SPACE)) 3283 { 3284 compl_cont_status &= ~CONT_SOL; 3285 compl_length = (IOSIZE - MIN_SPACE); 3286 compl_col = curwin->w_cursor.col - compl_length; 3287 } 3288 compl_cont_status |= CONT_ADDING | CONT_N_ADDS; 3289 if (compl_length < 1) 3290 compl_cont_status &= CONT_LOCAL; 3291 } 3292 else if (ctrl_x_mode == CTRL_X_WHOLE_LINE) 3293 compl_cont_status = CONT_ADDING | CONT_N_ADDS; 3294 else 3295 compl_cont_status = 0; 3296 } 3297 else 3298 compl_cont_status &= CONT_LOCAL; 3299 3300 if (!(compl_cont_status & CONT_ADDING)) /* normal expansion */ 3301 { 3302 compl_cont_mode = ctrl_x_mode; 3303 if (ctrl_x_mode != 0) /* Remove LOCAL if ctrl_x_mode != 0 */ 3304 compl_cont_status = 0; 3305 compl_cont_status |= CONT_N_ADDS; 3306 compl_startpos = curwin->w_cursor; 3307 startcol = (int)curs_col; 3308 compl_col = 0; 3309 } 3310 3311 /* Work out completion pattern and original text -- webb */ 3312 if (ctrl_x_mode == 0 || (ctrl_x_mode & CTRL_X_WANT_IDENT)) 3313 { 3314 if ((compl_cont_status & CONT_SOL) 3315 || ctrl_x_mode == CTRL_X_PATH_DEFINES) 3316 { 3317 if (!(compl_cont_status & CONT_ADDING)) 3318 { 3319 while (--startcol >= 0 && vim_isIDc(line[startcol])) 3320 ; 3321 compl_col += ++startcol; 3322 compl_length = curs_col - startcol; 3323 } 3324 if (p_ic) 3325 compl_pattern = str_foldcase(line + compl_col, 3326 compl_length, NULL, 0); 3327 else 3328 compl_pattern = vim_strnsave(line + compl_col, 3329 compl_length); 3330 if (compl_pattern == NULL) 3331 return FAIL; 3332 } 3333 else if (compl_cont_status & CONT_ADDING) 3334 { 3335 char_u *prefix = (char_u *)"\\<"; 3336 3337 /* we need 3 extra chars, 1 for the NUL and 3338 * 2 >= strlen(prefix) -- Acevedo */ 3339 compl_pattern = alloc(quote_meta(NULL, line + compl_col, 3340 compl_length) + 3); 3341 if (compl_pattern == NULL) 3342 return FAIL; 3343 if (!vim_iswordp(line + compl_col) 3344 || (compl_col > 0 3345 && ( 3346 #ifdef FEAT_MBYTE 3347 vim_iswordp(mb_prevptr(line, line + compl_col)) 3348 #else 3349 vim_iswordc(line[compl_col - 1]) 3350 #endif 3351 ))) 3352 prefix = (char_u *)""; 3353 STRCPY((char *)compl_pattern, prefix); 3354 (void)quote_meta(compl_pattern + STRLEN(prefix), 3355 line + compl_col, compl_length); 3356 } 3357 else if (--startcol < 0 || 3358 #ifdef FEAT_MBYTE 3359 !vim_iswordp(mb_prevptr(line, line + startcol + 1)) 3360 #else 3361 !vim_iswordc(line[startcol]) 3362 #endif 3363 ) 3364 { 3365 /* Match any word of at least two chars */ 3366 compl_pattern = vim_strsave((char_u *)"\\<\\k\\k"); 3367 if (compl_pattern == NULL) 3368 return FAIL; 3369 compl_col += curs_col; 3370 compl_length = 0; 3371 } 3372 else 3373 { 3374 #ifdef FEAT_MBYTE 3375 /* Search the point of change class of multibyte character 3376 * or not a word single byte character backward. */ 3377 if (has_mbyte) 3378 { 3379 int base_class; 3380 int head_off; 3381 3382 startcol -= (*mb_head_off)(line, line + startcol); 3383 base_class = mb_get_class(line + startcol); 3384 while (--startcol >= 0) 3385 { 3386 head_off = (*mb_head_off)(line, line + startcol); 3387 if (base_class != mb_get_class(line + startcol 3388 - head_off)) 3389 break; 3390 startcol -= head_off; 3391 } 3392 } 3393 else 3394 #endif 3395 while (--startcol >= 0 && vim_iswordc(line[startcol])) 3396 ; 3397 compl_col += ++startcol; 3398 compl_length = (int)curs_col - startcol; 3399 if (compl_length == 1) 3400 { 3401 /* Only match word with at least two chars -- webb 3402 * there's no need to call quote_meta, 3403 * alloc(7) is enough -- Acevedo 3404 */ 3405 compl_pattern = alloc(7); 3406 if (compl_pattern == NULL) 3407 return FAIL; 3408 STRCPY((char *)compl_pattern, "\\<"); 3409 (void)quote_meta(compl_pattern + 2, line + compl_col, 1); 3410 STRCAT((char *)compl_pattern, "\\k"); 3411 } 3412 else 3413 { 3414 compl_pattern = alloc(quote_meta(NULL, line + compl_col, 3415 compl_length) + 3); 3416 if (compl_pattern == NULL) 3417 return FAIL; 3418 STRCPY((char *)compl_pattern, "\\<"); 3419 (void)quote_meta(compl_pattern + 2, line + compl_col, 3420 compl_length); 3421 } 3422 } 3423 } 3424 else if (ctrl_x_mode == CTRL_X_WHOLE_LINE) 3425 { 3426 compl_col = skipwhite(line) - line; 3427 compl_length = (int)curs_col - (int)compl_col; 3428 if (compl_length < 0) /* cursor in indent: empty pattern */ 3429 compl_length = 0; 3430 if (p_ic) 3431 compl_pattern = str_foldcase(line + compl_col, compl_length, 3432 NULL, 0); 3433 else 3434 compl_pattern = vim_strnsave(line + compl_col, compl_length); 3435 if (compl_pattern == NULL) 3436 return FAIL; 3437 } 3438 else if (ctrl_x_mode == CTRL_X_FILES) 3439 { 3440 while (--startcol >= 0 && vim_isfilec(line[startcol])) 3441 ; 3442 compl_col += ++startcol; 3443 compl_length = (int)curs_col - startcol; 3444 compl_pattern = addstar(line + compl_col, compl_length, 3445 EXPAND_FILES); 3446 if (compl_pattern == NULL) 3447 return FAIL; 3448 } 3449 else if (ctrl_x_mode == CTRL_X_CMDLINE) 3450 { 3451 compl_pattern = vim_strnsave(line, curs_col); 3452 if (compl_pattern == NULL) 3453 return FAIL; 3454 set_cmd_context(&compl_xp, compl_pattern, 3455 (int)STRLEN(compl_pattern), curs_col); 3456 if (compl_xp.xp_context == EXPAND_UNSUCCESSFUL 3457 || compl_xp.xp_context == EXPAND_NOTHING) 3458 return FAIL; 3459 startcol = (int)(compl_xp.xp_pattern - compl_pattern); 3460 compl_col = startcol; 3461 compl_length = curs_col - startcol; 3462 } 3463 else if (ctrl_x_mode == CTRL_X_FUNCTION || ctrl_x_mode == CTRL_X_OMNI) 3464 { 3465 #ifdef FEAT_COMPL_FUNC 3466 /* 3467 * Call user defined function 'completefunc' with "a:findstart" 3468 * set to 1 to obtain the length of text to use for completion. 3469 */ 3470 char_u *args[2]; 3471 int col; 3472 char_u *funcname; 3473 pos_T pos; 3474 3475 /* Call 'completefunc' or 'omnifunc' and get pattern length as a 3476 * string */ 3477 funcname = ctrl_x_mode == CTRL_X_FUNCTION 3478 ? curbuf->b_p_cfu : curbuf->b_p_ofu; 3479 if (*funcname == NUL) 3480 { 3481 EMSG2(_(e_notset), ctrl_x_mode == CTRL_X_FUNCTION 3482 ? "completefunc" : "omnifunc"); 3483 return FAIL; 3484 } 3485 3486 args[0] = (char_u *)"1"; 3487 args[1] = NULL; 3488 pos = curwin->w_cursor; 3489 col = call_func_retnr(funcname, 2, args, FALSE); 3490 curwin->w_cursor = pos; /* restore the cursor position */ 3491 3492 if (col < 0) 3493 col = curs_col; 3494 compl_col = col; 3495 if ((colnr_T)compl_col > curs_col) 3496 compl_col = curs_col; 3497 3498 /* Setup variables for completion. Need to obtain "line" again, 3499 * it may have become invalid. */ 3500 line = ml_get(curwin->w_cursor.lnum); 3501 compl_length = curs_col - compl_col; 3502 compl_pattern = vim_strnsave(line + compl_col, compl_length); 3503 if (compl_pattern == NULL) 3504 #endif 3505 return FAIL; 3506 } 3507 else if (ctrl_x_mode == CTRL_X_SPELL) 3508 { 3509 #ifdef FEAT_SYN_HL 3510 if (spell_bad_len > 0) 3511 compl_col = curs_col - spell_bad_len; 3512 else 3513 compl_col = spell_word_start(startcol); 3514 if (compl_col >= (colnr_T)startcol) 3515 return FAIL; 3516 compl_length = (int)curs_col - compl_col; 3517 compl_pattern = vim_strnsave(line + compl_col, compl_length); 3518 if (compl_pattern == NULL) 3519 #endif 3520 return FAIL; 3521 } 3522 else 3523 { 3524 EMSG2(_(e_intern2), "ins_complete()"); 3525 return FAIL; 3526 } 3527 3528 if (compl_cont_status & CONT_ADDING) 3529 { 3530 edit_submode_pre = (char_u *)_(" Adding"); 3531 if (ctrl_x_mode == CTRL_X_WHOLE_LINE) 3532 { 3533 /* Insert a new line, keep indentation but ignore 'comments' */ 3534 #ifdef FEAT_COMMENTS 3535 char_u *old = curbuf->b_p_com; 3536 3537 curbuf->b_p_com = (char_u *)""; 3538 #endif 3539 compl_startpos.lnum = curwin->w_cursor.lnum; 3540 compl_startpos.col = compl_col; 3541 ins_eol('\r'); 3542 #ifdef FEAT_COMMENTS 3543 curbuf->b_p_com = old; 3544 #endif 3545 compl_length = 0; 3546 compl_col = curwin->w_cursor.col; 3547 } 3548 } 3549 else 3550 { 3551 edit_submode_pre = NULL; 3552 compl_startpos.col = compl_col; 3553 } 3554 3555 if (compl_cont_status & CONT_LOCAL) 3556 edit_submode = (char_u *)_(ctrl_x_msgs[CTRL_X_LOCAL_MSG]); 3557 else 3558 edit_submode = (char_u *)_(CTRL_X_MSG(ctrl_x_mode)); 3559 3560 /* Always add completion for the original text. Note that 3561 * "compl_orig_text" itself (not a copy) is added, it will be freed 3562 * when the list of matches is freed. */ 3563 compl_orig_text = vim_strnsave(line + compl_col, compl_length); 3564 if (compl_orig_text == NULL || ins_compl_add(compl_orig_text, 3565 -1, NULL, 0, ORIGINAL_TEXT) != OK) 3566 { 3567 vim_free(compl_pattern); 3568 compl_pattern = NULL; 3569 vim_free(compl_orig_text); 3570 compl_orig_text = NULL; 3571 return FAIL; 3572 } 3573 3574 /* showmode might reset the internal line pointers, so it must 3575 * be called before line = ml_get(), or when this address is no 3576 * longer needed. -- Acevedo. 3577 */ 3578 edit_submode_extra = (char_u *)_("-- Searching..."); 3579 edit_submode_highl = HLF_COUNT; 3580 showmode(); 3581 edit_submode_extra = NULL; 3582 out_flush(); 3583 } 3584 3585 compl_shown_match = compl_curr_match; 3586 compl_shows_dir = compl_direction; 3587 3588 /* 3589 * Find next match. 3590 */ 3591 n = ins_compl_next(TRUE); 3592 3593 if (n > 1) /* all matches have been found */ 3594 compl_matches = n; 3595 compl_curr_match = compl_shown_match; 3596 compl_direction = compl_shows_dir; 3597 compl_interrupted = FALSE; 3598 3599 /* eat the ESC to avoid leaving insert mode */ 3600 if (got_int && !global_busy) 3601 { 3602 (void)vgetc(); 3603 got_int = FALSE; 3604 } 3605 3606 /* we found no match if the list has only the "compl_orig_text"-entry */ 3607 if (compl_first_match == compl_first_match->cp_next) 3608 { 3609 edit_submode_extra = (compl_cont_status & CONT_ADDING) 3610 && compl_length > 1 3611 ? (char_u *)_(e_hitend) : (char_u *)_(e_patnotf); 3612 edit_submode_highl = HLF_E; 3613 /* remove N_ADDS flag, so next ^X<> won't try to go to ADDING mode, 3614 * because we couldn't expand anything at first place, but if we used 3615 * ^P, ^N, ^X^I or ^X^D we might want to add-expand a single-char-word 3616 * (such as M in M'exico) if not tried already. -- Acevedo */ 3617 if ( compl_length > 1 3618 || (compl_cont_status & CONT_ADDING) 3619 || (ctrl_x_mode != 0 3620 && ctrl_x_mode != CTRL_X_PATH_PATTERNS 3621 && ctrl_x_mode != CTRL_X_PATH_DEFINES)) 3622 compl_cont_status &= ~CONT_N_ADDS; 3623 } 3624 3625 if (compl_curr_match->cp_flags & CONT_S_IPOS) 3626 compl_cont_status |= CONT_S_IPOS; 3627 else 3628 compl_cont_status &= ~CONT_S_IPOS; 3629 3630 if (edit_submode_extra == NULL) 3631 { 3632 if (compl_curr_match->cp_flags & ORIGINAL_TEXT) 3633 { 3634 edit_submode_extra = (char_u *)_("Back at original"); 3635 edit_submode_highl = HLF_W; 3636 } 3637 else if (compl_cont_status & CONT_S_IPOS) 3638 { 3639 edit_submode_extra = (char_u *)_("Word from other line"); 3640 edit_submode_highl = HLF_COUNT; 3641 } 3642 else if (compl_curr_match->cp_next == compl_curr_match->cp_prev) 3643 { 3644 edit_submode_extra = (char_u *)_("The only match"); 3645 edit_submode_highl = HLF_COUNT; 3646 } 3647 else 3648 { 3649 /* Update completion sequence number when needed. */ 3650 if (compl_curr_match->cp_number == -1) 3651 { 3652 int number = 0; 3653 compl_T *match; 3654 3655 if (compl_direction == FORWARD) 3656 { 3657 /* search backwards for the first valid (!= -1) number. 3658 * This should normally succeed already at the first loop 3659 * cycle, so it's fast! */ 3660 for (match = compl_curr_match->cp_prev; match != NULL 3661 && match != compl_first_match; 3662 match = match->cp_prev) 3663 if (match->cp_number != -1) 3664 { 3665 number = match->cp_number; 3666 break; 3667 } 3668 if (match != NULL) 3669 /* go up and assign all numbers which are not assigned 3670 * yet */ 3671 for (match = match->cp_next; match 3672 && match->cp_number == -1; 3673 match = match->cp_next) 3674 match->cp_number = ++number; 3675 } 3676 else /* BACKWARD */ 3677 { 3678 /* search forwards (upwards) for the first valid (!= -1) 3679 * number. This should normally succeed already at the 3680 * first loop cycle, so it's fast! */ 3681 for (match = compl_curr_match->cp_next; match != NULL 3682 && match != compl_first_match; 3683 match = match->cp_next) 3684 if (match->cp_number != -1) 3685 { 3686 number = match->cp_number; 3687 break; 3688 } 3689 if (match != NULL) 3690 /* go down and assign all numbers which are not 3691 * assigned yet */ 3692 for (match = match->cp_prev; match 3693 && match->cp_number == -1; 3694 match = match->cp_prev) 3695 match->cp_number = ++number; 3696 } 3697 } 3698 3699 /* The match should always have a sequnce number now, this is just 3700 * a safety check. */ 3701 if (compl_curr_match->cp_number != -1) 3702 { 3703 /* Space for 10 text chars. + 2x10-digit no.s */ 3704 static char_u match_ref[31]; 3705 3706 if (compl_matches > 0) 3707 sprintf((char *)IObuff, _("match %d of %d"), 3708 compl_curr_match->cp_number, compl_matches); 3709 else 3710 sprintf((char *)IObuff, _("match %d"), 3711 compl_curr_match->cp_number); 3712 vim_strncpy(match_ref, IObuff, 30); 3713 edit_submode_extra = match_ref; 3714 edit_submode_highl = HLF_R; 3715 if (dollar_vcol) 3716 curs_columns(FALSE); 3717 } 3718 } 3719 } 3720 3721 /* Show a message about what (completion) mode we're in. */ 3722 showmode(); 3723 if (edit_submode_extra != NULL) 3724 { 3725 if (!p_smd) 3726 msg_attr(edit_submode_extra, 3727 edit_submode_highl < HLF_COUNT 3728 ? hl_attr(edit_submode_highl) : 0); 3729 } 3730 else 3731 msg_clr_cmdline(); /* necessary for "noshowmode" */ 3732 3733 return OK; 3734 } 3735 3736 /* 3737 * Looks in the first "len" chars. of "src" for search-metachars. 3738 * If dest is not NULL the chars. are copied there quoting (with 3739 * a backslash) the metachars, and dest would be NUL terminated. 3740 * Returns the length (needed) of dest 3741 */ 3742 static int 3743 quote_meta(dest, src, len) 3744 char_u *dest; 3745 char_u *src; 3746 int len; 3747 { 3748 int m; 3749 3750 for (m = len; --len >= 0; src++) 3751 { 3752 switch (*src) 3753 { 3754 case '.': 3755 case '*': 3756 case '[': 3757 if (ctrl_x_mode == CTRL_X_DICTIONARY 3758 || ctrl_x_mode == CTRL_X_THESAURUS) 3759 break; 3760 case '~': 3761 if (!p_magic) /* quote these only if magic is set */ 3762 break; 3763 case '\\': 3764 if (ctrl_x_mode == CTRL_X_DICTIONARY 3765 || ctrl_x_mode == CTRL_X_THESAURUS) 3766 break; 3767 case '^': /* currently it's not needed. */ 3768 case '$': 3769 m++; 3770 if (dest != NULL) 3771 *dest++ = '\\'; 3772 break; 3773 } 3774 if (dest != NULL) 3775 *dest++ = *src; 3776 # ifdef FEAT_MBYTE 3777 /* Copy remaining bytes of a multibyte character. */ 3778 if (has_mbyte) 3779 { 3780 int i, mb_len; 3781 3782 mb_len = (*mb_ptr2len)(src) - 1; 3783 if (mb_len > 0 && len >= mb_len) 3784 for (i = 0; i < mb_len; ++i) 3785 { 3786 --len; 3787 ++src; 3788 if (dest != NULL) 3789 *dest++ = *src; 3790 } 3791 } 3792 # endif 3793 } 3794 if (dest != NULL) 3795 *dest = NUL; 3796 3797 return m; 3798 } 3799 #endif /* FEAT_INS_EXPAND */ 3800 3801 /* 3802 * Next character is interpreted literally. 3803 * A one, two or three digit decimal number is interpreted as its byte value. 3804 * If one or two digits are entered, the next character is given to vungetc(). 3805 * For Unicode a character > 255 may be returned. 3806 */ 3807 int 3808 get_literal() 3809 { 3810 int cc; 3811 int nc; 3812 int i; 3813 int hex = FALSE; 3814 int octal = FALSE; 3815 #ifdef FEAT_MBYTE 3816 int unicode = 0; 3817 #endif 3818 3819 if (got_int) 3820 return Ctrl_C; 3821 3822 #ifdef FEAT_GUI 3823 /* 3824 * In GUI there is no point inserting the internal code for a special key. 3825 * It is more useful to insert the string "<KEY>" instead. This would 3826 * probably be useful in a text window too, but it would not be 3827 * vi-compatible (maybe there should be an option for it?) -- webb 3828 */ 3829 if (gui.in_use) 3830 ++allow_keys; 3831 #endif 3832 #ifdef USE_ON_FLY_SCROLL 3833 dont_scroll = TRUE; /* disallow scrolling here */ 3834 #endif 3835 ++no_mapping; /* don't map the next key hits */ 3836 cc = 0; 3837 i = 0; 3838 for (;;) 3839 { 3840 do 3841 nc = safe_vgetc(); 3842 while (nc == K_IGNORE || nc == K_VER_SCROLLBAR 3843 || nc == K_HOR_SCROLLBAR); 3844 #ifdef FEAT_CMDL_INFO 3845 if (!(State & CMDLINE) 3846 # ifdef FEAT_MBYTE 3847 && MB_BYTE2LEN_CHECK(nc) == 1 3848 # endif 3849 ) 3850 add_to_showcmd(nc); 3851 #endif 3852 if (nc == 'x' || nc == 'X') 3853 hex = TRUE; 3854 else if (nc == 'o' || nc == 'O') 3855 octal = TRUE; 3856 #ifdef FEAT_MBYTE 3857 else if (nc == 'u' || nc == 'U') 3858 unicode = nc; 3859 #endif 3860 else 3861 { 3862 if (hex 3863 #ifdef FEAT_MBYTE 3864 || unicode != 0 3865 #endif 3866 ) 3867 { 3868 if (!vim_isxdigit(nc)) 3869 break; 3870 cc = cc * 16 + hex2nr(nc); 3871 } 3872 else if (octal) 3873 { 3874 if (nc < '0' || nc > '7') 3875 break; 3876 cc = cc * 8 + nc - '0'; 3877 } 3878 else 3879 { 3880 if (!VIM_ISDIGIT(nc)) 3881 break; 3882 cc = cc * 10 + nc - '0'; 3883 } 3884 3885 ++i; 3886 } 3887 3888 if (cc > 255 3889 #ifdef FEAT_MBYTE 3890 && unicode == 0 3891 #endif 3892 ) 3893 cc = 255; /* limit range to 0-255 */ 3894 nc = 0; 3895 3896 if (hex) /* hex: up to two chars */ 3897 { 3898 if (i >= 2) 3899 break; 3900 } 3901 #ifdef FEAT_MBYTE 3902 else if (unicode) /* Unicode: up to four or eight chars */ 3903 { 3904 if ((unicode == 'u' && i >= 4) || (unicode == 'U' && i >= 8)) 3905 break; 3906 } 3907 #endif 3908 else if (i >= 3) /* decimal or octal: up to three chars */ 3909 break; 3910 } 3911 if (i == 0) /* no number entered */ 3912 { 3913 if (nc == K_ZERO) /* NUL is stored as NL */ 3914 { 3915 cc = '\n'; 3916 nc = 0; 3917 } 3918 else 3919 { 3920 cc = nc; 3921 nc = 0; 3922 } 3923 } 3924 3925 if (cc == 0) /* NUL is stored as NL */ 3926 cc = '\n'; 3927 #ifdef FEAT_MBYTE 3928 if (enc_dbcs && (cc & 0xff) == 0) 3929 cc = '?'; /* don't accept an illegal DBCS char, the NUL in the 3930 second byte will cause trouble! */ 3931 #endif 3932 3933 --no_mapping; 3934 #ifdef FEAT_GUI 3935 if (gui.in_use) 3936 --allow_keys; 3937 #endif 3938 if (nc) 3939 vungetc(nc); 3940 got_int = FALSE; /* CTRL-C typed after CTRL-V is not an interrupt */ 3941 return cc; 3942 } 3943 3944 /* 3945 * Insert character, taking care of special keys and mod_mask 3946 */ 3947 static void 3948 insert_special(c, allow_modmask, ctrlv) 3949 int c; 3950 int allow_modmask; 3951 int ctrlv; /* c was typed after CTRL-V */ 3952 { 3953 char_u *p; 3954 int len; 3955 3956 /* 3957 * Special function key, translate into "<Key>". Up to the last '>' is 3958 * inserted with ins_str(), so as not to replace characters in replace 3959 * mode. 3960 * Only use mod_mask for special keys, to avoid things like <S-Space>, 3961 * unless 'allow_modmask' is TRUE. 3962 */ 3963 #ifdef MACOS 3964 /* Command-key never produces a normal key */ 3965 if (mod_mask & MOD_MASK_CMD) 3966 allow_modmask = TRUE; 3967 #endif 3968 if (IS_SPECIAL(c) || (mod_mask && allow_modmask)) 3969 { 3970 p = get_special_key_name(c, mod_mask); 3971 len = (int)STRLEN(p); 3972 c = p[len - 1]; 3973 if (len > 2) 3974 { 3975 if (stop_arrow() == FAIL) 3976 return; 3977 p[len - 1] = NUL; 3978 ins_str(p); 3979 AppendToRedobuffLit(p); 3980 ctrlv = FALSE; 3981 } 3982 } 3983 if (stop_arrow() == OK) 3984 insertchar(c, ctrlv ? INSCHAR_CTRLV : 0, -1); 3985 } 3986 3987 /* 3988 * Special characters in this context are those that need processing other 3989 * than the simple insertion that can be performed here. This includes ESC 3990 * which terminates the insert, and CR/NL which need special processing to 3991 * open up a new line. This routine tries to optimize insertions performed by 3992 * the "redo", "undo" or "put" commands, so it needs to know when it should 3993 * stop and defer processing to the "normal" mechanism. 3994 * '0' and '^' are special, because they can be followed by CTRL-D. 3995 */ 3996 #ifdef EBCDIC 3997 # define ISSPECIAL(c) ((c) < ' ' || (c) == '0' || (c) == '^') 3998 #else 3999 # define ISSPECIAL(c) ((c) < ' ' || (c) >= DEL || (c) == '0' || (c) == '^') 4000 #endif 4001 4002 #ifdef FEAT_MBYTE 4003 # define WHITECHAR(cc) (vim_iswhite(cc) && (!enc_utf8 || !utf_iscomposing(utf_ptr2char(ml_get_cursor() + 1)))) 4004 #else 4005 # define WHITECHAR(cc) vim_iswhite(cc) 4006 #endif 4007 4008 void 4009 insertchar(c, flags, second_indent) 4010 int c; /* character to insert or NUL */ 4011 int flags; /* INSCHAR_FORMAT, etc. */ 4012 int second_indent; /* indent for second line if >= 0 */ 4013 { 4014 int haveto_redraw = FALSE; 4015 int textwidth; 4016 #ifdef FEAT_COMMENTS 4017 colnr_T leader_len; 4018 char_u *p; 4019 int no_leader = FALSE; 4020 int do_comments = (flags & INSCHAR_DO_COM); 4021 #endif 4022 int fo_white_par; 4023 int first_line = TRUE; 4024 int fo_ins_blank; 4025 #ifdef FEAT_MBYTE 4026 int fo_multibyte; 4027 #endif 4028 int save_char = NUL; 4029 int cc; 4030 4031 textwidth = comp_textwidth(flags & INSCHAR_FORMAT); 4032 fo_ins_blank = has_format_option(FO_INS_BLANK); 4033 #ifdef FEAT_MBYTE 4034 fo_multibyte = has_format_option(FO_MBYTE_BREAK); 4035 #endif 4036 fo_white_par = has_format_option(FO_WHITE_PAR); 4037 4038 /* 4039 * Try to break the line in two or more pieces when: 4040 * - Always do this if we have been called to do formatting only. 4041 * - Always do this when 'formatoptions' has the 'a' flag and the line 4042 * ends in white space. 4043 * - Otherwise: 4044 * - Don't do this if inserting a blank 4045 * - Don't do this if an existing character is being replaced, unless 4046 * we're in VREPLACE mode. 4047 * - Do this if the cursor is not on the line where insert started 4048 * or - 'formatoptions' doesn't have 'l' or the line was not too long 4049 * before the insert. 4050 * - 'formatoptions' doesn't have 'b' or a blank was inserted at or 4051 * before 'textwidth' 4052 */ 4053 if (textwidth 4054 && ((flags & INSCHAR_FORMAT) 4055 || (!vim_iswhite(c) 4056 && !((State & REPLACE_FLAG) 4057 #ifdef FEAT_VREPLACE 4058 && !(State & VREPLACE_FLAG) 4059 #endif 4060 && *ml_get_cursor() != NUL) 4061 && (curwin->w_cursor.lnum != Insstart.lnum 4062 || ((!has_format_option(FO_INS_LONG) 4063 || Insstart_textlen <= (colnr_T)textwidth) 4064 && (!fo_ins_blank 4065 || Insstart_blank_vcol <= (colnr_T)textwidth 4066 )))))) 4067 { 4068 /* 4069 * When 'ai' is off we don't want a space under the cursor to be 4070 * deleted. Replace it with an 'x' temporarily. 4071 */ 4072 if (!curbuf->b_p_ai) 4073 { 4074 cc = gchar_cursor(); 4075 if (vim_iswhite(cc)) 4076 { 4077 save_char = cc; 4078 pchar_cursor('x'); 4079 } 4080 } 4081 4082 /* 4083 * Repeat breaking lines, until the current line is not too long. 4084 */ 4085 while (!got_int) 4086 { 4087 int startcol; /* Cursor column at entry */ 4088 int wantcol; /* column at textwidth border */ 4089 int foundcol; /* column for start of spaces */ 4090 int end_foundcol = 0; /* column for start of word */ 4091 colnr_T len; 4092 colnr_T virtcol; 4093 #ifdef FEAT_VREPLACE 4094 int orig_col = 0; 4095 char_u *saved_text = NULL; 4096 #endif 4097 colnr_T col; 4098 4099 virtcol = get_nolist_virtcol(); 4100 if (virtcol < (colnr_T)textwidth) 4101 break; 4102 4103 #ifdef FEAT_COMMENTS 4104 if (no_leader) 4105 do_comments = FALSE; 4106 else if (!(flags & INSCHAR_FORMAT) 4107 && has_format_option(FO_WRAP_COMS)) 4108 do_comments = TRUE; 4109 4110 /* Don't break until after the comment leader */ 4111 if (do_comments) 4112 leader_len = get_leader_len(ml_get_curline(), NULL, FALSE); 4113 else 4114 leader_len = 0; 4115 4116 /* If the line doesn't start with a comment leader, then don't 4117 * start one in a following broken line. Avoids that a %word 4118 * moved to the start of the next line causes all following lines 4119 * to start with %. */ 4120 if (leader_len == 0) 4121 no_leader = TRUE; 4122 #endif 4123 if (!(flags & INSCHAR_FORMAT) 4124 #ifdef FEAT_COMMENTS 4125 && leader_len == 0 4126 #endif 4127 && !has_format_option(FO_WRAP)) 4128 4129 { 4130 textwidth = 0; 4131 break; 4132 } 4133 if ((startcol = curwin->w_cursor.col) == 0) 4134 break; 4135 4136 /* find column of textwidth border */ 4137 coladvance((colnr_T)textwidth); 4138 wantcol = curwin->w_cursor.col; 4139 4140 curwin->w_cursor.col = startcol - 1; 4141 #ifdef FEAT_MBYTE 4142 /* Correct cursor for multi-byte character. */ 4143 if (has_mbyte) 4144 mb_adjust_cursor(); 4145 #endif 4146 foundcol = 0; 4147 4148 /* 4149 * Find position to break at. 4150 * Stop at first entered white when 'formatoptions' has 'v' 4151 */ 4152 while ((!fo_ins_blank && !has_format_option(FO_INS_VI)) 4153 || curwin->w_cursor.lnum != Insstart.lnum 4154 || curwin->w_cursor.col >= Insstart.col) 4155 { 4156 cc = gchar_cursor(); 4157 if (WHITECHAR(cc)) 4158 { 4159 /* remember position of blank just before text */ 4160 end_foundcol = curwin->w_cursor.col; 4161 4162 /* find start of sequence of blanks */ 4163 while (curwin->w_cursor.col > 0 && WHITECHAR(cc)) 4164 { 4165 dec_cursor(); 4166 cc = gchar_cursor(); 4167 } 4168 if (curwin->w_cursor.col == 0 && WHITECHAR(cc)) 4169 break; /* only spaces in front of text */ 4170 #ifdef FEAT_COMMENTS 4171 /* Don't break until after the comment leader */ 4172 if (curwin->w_cursor.col < leader_len) 4173 break; 4174 #endif 4175 if (has_format_option(FO_ONE_LETTER)) 4176 { 4177 /* do not break after one-letter words */ 4178 if (curwin->w_cursor.col == 0) 4179 break; /* one-letter word at begin */ 4180 4181 col = curwin->w_cursor.col; 4182 dec_cursor(); 4183 cc = gchar_cursor(); 4184 4185 if (WHITECHAR(cc)) 4186 continue; /* one-letter, continue */ 4187 curwin->w_cursor.col = col; 4188 } 4189 #ifdef FEAT_MBYTE 4190 if (has_mbyte) 4191 foundcol = curwin->w_cursor.col 4192 + (*mb_ptr2len)(ml_get_cursor()); 4193 else 4194 #endif 4195 foundcol = curwin->w_cursor.col + 1; 4196 if (curwin->w_cursor.col < (colnr_T)wantcol) 4197 break; 4198 } 4199 #ifdef FEAT_MBYTE 4200 else if (cc >= 0x100 && fo_multibyte 4201 && curwin->w_cursor.col <= (colnr_T)wantcol) 4202 { 4203 /* Break after or before a multi-byte character. */ 4204 foundcol = curwin->w_cursor.col; 4205 if (curwin->w_cursor.col < (colnr_T)wantcol) 4206 foundcol += (*mb_char2len)(cc); 4207 end_foundcol = foundcol; 4208 break; 4209 } 4210 #endif 4211 if (curwin->w_cursor.col == 0) 4212 break; 4213 dec_cursor(); 4214 } 4215 4216 if (foundcol == 0) /* no spaces, cannot break line */ 4217 { 4218 curwin->w_cursor.col = startcol; 4219 break; 4220 } 4221 4222 /* Going to break the line, remove any "$" now. */ 4223 undisplay_dollar(); 4224 4225 /* 4226 * Offset between cursor position and line break is used by replace 4227 * stack functions. VREPLACE does not use this, and backspaces 4228 * over the text instead. 4229 */ 4230 #ifdef FEAT_VREPLACE 4231 if (State & VREPLACE_FLAG) 4232 orig_col = startcol; /* Will start backspacing from here */ 4233 else 4234 #endif 4235 replace_offset = startcol - end_foundcol - 1; 4236 4237 /* 4238 * adjust startcol for spaces that will be deleted and 4239 * characters that will remain on top line 4240 */ 4241 curwin->w_cursor.col = foundcol; 4242 while (cc = gchar_cursor(), WHITECHAR(cc)) 4243 inc_cursor(); 4244 startcol -= curwin->w_cursor.col; 4245 if (startcol < 0) 4246 startcol = 0; 4247 4248 #ifdef FEAT_VREPLACE 4249 if (State & VREPLACE_FLAG) 4250 { 4251 /* 4252 * In VREPLACE mode, we will backspace over the text to be 4253 * wrapped, so save a copy now to put on the next line. 4254 */ 4255 saved_text = vim_strsave(ml_get_cursor()); 4256 curwin->w_cursor.col = orig_col; 4257 if (saved_text == NULL) 4258 break; /* Can't do it, out of memory */ 4259 saved_text[startcol] = NUL; 4260 4261 /* Backspace over characters that will move to the next line */ 4262 if (!fo_white_par) 4263 backspace_until_column(foundcol); 4264 } 4265 else 4266 #endif 4267 { 4268 /* put cursor after pos. to break line */ 4269 if (!fo_white_par) 4270 curwin->w_cursor.col = foundcol; 4271 } 4272 4273 /* 4274 * Split the line just before the margin. 4275 * Only insert/delete lines, but don't really redraw the window. 4276 */ 4277 open_line(FORWARD, OPENLINE_DELSPACES + OPENLINE_MARKFIX 4278 + (fo_white_par ? OPENLINE_KEEPTRAIL : 0) 4279 #ifdef FEAT_COMMENTS 4280 + (do_comments ? OPENLINE_DO_COM : 0) 4281 #endif 4282 , old_indent); 4283 old_indent = 0; 4284 4285 replace_offset = 0; 4286 if (first_line) 4287 { 4288 if (second_indent < 0 && has_format_option(FO_Q_NUMBER)) 4289 second_indent = get_number_indent(curwin->w_cursor.lnum -1); 4290 if (second_indent >= 0) 4291 { 4292 #ifdef FEAT_VREPLACE 4293 if (State & VREPLACE_FLAG) 4294 change_indent(INDENT_SET, second_indent, FALSE, NUL); 4295 else 4296 #endif 4297 (void)set_indent(second_indent, SIN_CHANGED); 4298 } 4299 first_line = FALSE; 4300 } 4301 4302 #ifdef FEAT_VREPLACE 4303 if (State & VREPLACE_FLAG) 4304 { 4305 /* 4306 * In VREPLACE mode we have backspaced over the text to be 4307 * moved, now we re-insert it into the new line. 4308 */ 4309 ins_bytes(saved_text); 4310 vim_free(saved_text); 4311 } 4312 else 4313 #endif 4314 { 4315 /* 4316 * Check if cursor is not past the NUL off the line, cindent 4317 * may have added or removed indent. 4318 */ 4319 curwin->w_cursor.col += startcol; 4320 len = (colnr_T)STRLEN(ml_get_curline()); 4321 if (curwin->w_cursor.col > len) 4322 curwin->w_cursor.col = len; 4323 } 4324 4325 haveto_redraw = TRUE; 4326 #ifdef FEAT_CINDENT 4327 can_cindent = TRUE; 4328 #endif 4329 /* moved the cursor, don't autoindent or cindent now */ 4330 did_ai = FALSE; 4331 #ifdef FEAT_SMARTINDENT 4332 did_si = FALSE; 4333 can_si = FALSE; 4334 can_si_back = FALSE; 4335 #endif 4336 line_breakcheck(); 4337 } 4338 4339 if (save_char) /* put back space after cursor */ 4340 pchar_cursor(save_char); 4341 4342 if (c == NUL) /* formatting only */ 4343 return; 4344 if (haveto_redraw) 4345 { 4346 update_topline(); 4347 redraw_curbuf_later(VALID); 4348 } 4349 } 4350 if (c == NUL) /* only formatting was wanted */ 4351 return; 4352 4353 #ifdef FEAT_COMMENTS 4354 /* Check whether this character should end a comment. */ 4355 if (did_ai && (int)c == end_comment_pending) 4356 { 4357 char_u *line; 4358 char_u lead_end[COM_MAX_LEN]; /* end-comment string */ 4359 int middle_len, end_len; 4360 int i; 4361 4362 /* 4363 * Need to remove existing (middle) comment leader and insert end 4364 * comment leader. First, check what comment leader we can find. 4365 */ 4366 i = get_leader_len(line = ml_get_curline(), &p, FALSE); 4367 if (i > 0 && vim_strchr(p, COM_MIDDLE) != NULL) /* Just checking */ 4368 { 4369 /* Skip middle-comment string */ 4370 while (*p && p[-1] != ':') /* find end of middle flags */ 4371 ++p; 4372 middle_len = copy_option_part(&p, lead_end, COM_MAX_LEN, ","); 4373 /* Don't count trailing white space for middle_len */ 4374 while (middle_len > 0 && vim_iswhite(lead_end[middle_len - 1])) 4375 --middle_len; 4376 4377 /* Find the end-comment string */ 4378 while (*p && p[-1] != ':') /* find end of end flags */ 4379 ++p; 4380 end_len = copy_option_part(&p, lead_end, COM_MAX_LEN, ","); 4381 4382 /* Skip white space before the cursor */ 4383 i = curwin->w_cursor.col; 4384 while (--i >= 0 && vim_iswhite(line[i])) 4385 ; 4386 i++; 4387 4388 /* Skip to before the middle leader */ 4389 i -= middle_len; 4390 4391 /* Check some expected things before we go on */ 4392 if (i >= 0 && lead_end[end_len - 1] == end_comment_pending) 4393 { 4394 /* Backspace over all the stuff we want to replace */ 4395 backspace_until_column(i); 4396 4397 /* 4398 * Insert the end-comment string, except for the last 4399 * character, which will get inserted as normal later. 4400 */ 4401 ins_bytes_len(lead_end, end_len - 1); 4402 } 4403 } 4404 } 4405 end_comment_pending = NUL; 4406 #endif 4407 4408 did_ai = FALSE; 4409 #ifdef FEAT_SMARTINDENT 4410 did_si = FALSE; 4411 can_si = FALSE; 4412 can_si_back = FALSE; 4413 #endif 4414 4415 /* 4416 * If there's any pending input, grab up to INPUT_BUFLEN at once. 4417 * This speeds up normal text input considerably. 4418 * Don't do this when 'cindent' or 'indentexpr' is set, because we might 4419 * need to re-indent at a ':', or any other character (but not what 4420 * 'paste' is set).. 4421 */ 4422 #ifdef USE_ON_FLY_SCROLL 4423 dont_scroll = FALSE; /* allow scrolling here */ 4424 #endif 4425 4426 if ( !ISSPECIAL(c) 4427 #ifdef FEAT_MBYTE 4428 && (!has_mbyte || (*mb_char2len)(c) == 1) 4429 #endif 4430 && vpeekc() != NUL 4431 && !(State & REPLACE_FLAG) 4432 #ifdef FEAT_CINDENT 4433 && !cindent_on() 4434 #endif 4435 #ifdef FEAT_RIGHTLEFT 4436 && !p_ri 4437 #endif 4438 ) 4439 { 4440 #define INPUT_BUFLEN 100 4441 char_u buf[INPUT_BUFLEN + 1]; 4442 int i; 4443 colnr_T virtcol = 0; 4444 4445 buf[0] = c; 4446 i = 1; 4447 if (textwidth) 4448 virtcol = get_nolist_virtcol(); 4449 /* 4450 * Stop the string when: 4451 * - no more chars available 4452 * - finding a special character (command key) 4453 * - buffer is full 4454 * - running into the 'textwidth' boundary 4455 * - need to check for abbreviation: A non-word char after a word-char 4456 */ 4457 while ( (c = vpeekc()) != NUL 4458 && !ISSPECIAL(c) 4459 #ifdef FEAT_MBYTE 4460 && (!has_mbyte || MB_BYTE2LEN_CHECK(c) == 1) 4461 #endif 4462 && i < INPUT_BUFLEN 4463 && (textwidth == 0 4464 || (virtcol += byte2cells(buf[i - 1])) < (colnr_T)textwidth) 4465 && !(!no_abbr && !vim_iswordc(c) && vim_iswordc(buf[i - 1]))) 4466 { 4467 #ifdef FEAT_RIGHTLEFT 4468 c = vgetc(); 4469 if (p_hkmap && KeyTyped) 4470 c = hkmap(c); /* Hebrew mode mapping */ 4471 # ifdef FEAT_FKMAP 4472 if (p_fkmap && KeyTyped) 4473 c = fkmap(c); /* Farsi mode mapping */ 4474 # endif 4475 buf[i++] = c; 4476 #else 4477 buf[i++] = vgetc(); 4478 #endif 4479 } 4480 4481 #ifdef FEAT_DIGRAPHS 4482 do_digraph(-1); /* clear digraphs */ 4483 do_digraph(buf[i-1]); /* may be the start of a digraph */ 4484 #endif 4485 buf[i] = NUL; 4486 ins_str(buf); 4487 if (flags & INSCHAR_CTRLV) 4488 { 4489 redo_literal(*buf); 4490 i = 1; 4491 } 4492 else 4493 i = 0; 4494 if (buf[i] != NUL) 4495 AppendToRedobuffLit(buf + i); 4496 } 4497 else 4498 { 4499 #ifdef FEAT_MBYTE 4500 if (has_mbyte && (cc = (*mb_char2len)(c)) > 1) 4501 { 4502 char_u buf[MB_MAXBYTES + 1]; 4503 4504 (*mb_char2bytes)(c, buf); 4505 buf[cc] = NUL; 4506 ins_char_bytes(buf, cc); 4507 AppendCharToRedobuff(c); 4508 } 4509 else 4510 #endif 4511 { 4512 ins_char(c); 4513 if (flags & INSCHAR_CTRLV) 4514 redo_literal(c); 4515 else 4516 AppendCharToRedobuff(c); 4517 } 4518 } 4519 } 4520 4521 /* 4522 * Called after inserting or deleting text: When 'formatoptions' includes the 4523 * 'a' flag format from the current line until the end of the paragraph. 4524 * Keep the cursor at the same position relative to the text. 4525 * The caller must have saved the cursor line for undo, following ones will be 4526 * saved here. 4527 */ 4528 void 4529 auto_format(trailblank, prev_line) 4530 int trailblank; /* when TRUE also format with trailing blank */ 4531 int prev_line; /* may start in previous line */ 4532 { 4533 pos_T pos; 4534 colnr_T len; 4535 char_u *old; 4536 char_u *new, *pnew; 4537 int wasatend; 4538 int cc; 4539 4540 if (!has_format_option(FO_AUTO)) 4541 return; 4542 4543 pos = curwin->w_cursor; 4544 old = ml_get_curline(); 4545 4546 /* may remove added space */ 4547 check_auto_format(FALSE); 4548 4549 /* Don't format in Insert mode when the cursor is on a trailing blank, the 4550 * user might insert normal text next. Also skip formatting when "1" is 4551 * in 'formatoptions' and there is a single character before the cursor. 4552 * Otherwise the line would be broken and when typing another non-white 4553 * next they are not joined back together. */ 4554 wasatend = (pos.col == STRLEN(old)); 4555 if (*old != NUL && !trailblank && wasatend) 4556 { 4557 dec_cursor(); 4558 cc = gchar_cursor(); 4559 if (!WHITECHAR(cc) && curwin->w_cursor.col > 0 4560 && has_format_option(FO_ONE_LETTER)) 4561 dec_cursor(); 4562 cc = gchar_cursor(); 4563 if (WHITECHAR(cc)) 4564 { 4565 curwin->w_cursor = pos; 4566 return; 4567 } 4568 curwin->w_cursor = pos; 4569 } 4570 4571 #ifdef FEAT_COMMENTS 4572 /* With the 'c' flag in 'formatoptions' and 't' missing: only format 4573 * comments. */ 4574 if (has_format_option(FO_WRAP_COMS) && !has_format_option(FO_WRAP) 4575 && get_leader_len(old, NULL, FALSE) == 0) 4576 return; 4577 #endif 4578 4579 /* 4580 * May start formatting in a previous line, so that after "x" a word is 4581 * moved to the previous line if it fits there now. Only when this is not 4582 * the start of a paragraph. 4583 */ 4584 if (prev_line && !paragraph_start(curwin->w_cursor.lnum)) 4585 { 4586 --curwin->w_cursor.lnum; 4587 if (u_save_cursor() == FAIL) 4588 return; 4589 } 4590 4591 /* 4592 * Do the formatting and restore the cursor position. "saved_cursor" will 4593 * be adjusted for the text formatting. 4594 */ 4595 saved_cursor = pos; 4596 format_lines((linenr_T)-1); 4597 curwin->w_cursor = saved_cursor; 4598 saved_cursor.lnum = 0; 4599 4600 if (curwin->w_cursor.lnum > curbuf->b_ml.ml_line_count) 4601 { 4602 /* "cannot happen" */ 4603 curwin->w_cursor.lnum = curbuf->b_ml.ml_line_count; 4604 coladvance((colnr_T)MAXCOL); 4605 } 4606 else 4607 check_cursor_col(); 4608 4609 /* Insert mode: If the cursor is now after the end of the line while it 4610 * previously wasn't, the line was broken. Because of the rule above we 4611 * need to add a space when 'w' is in 'formatoptions' to keep a paragraph 4612 * formatted. */ 4613 if (!wasatend && has_format_option(FO_WHITE_PAR)) 4614 { 4615 new = ml_get_curline(); 4616 len = STRLEN(new); 4617 if (curwin->w_cursor.col == len) 4618 { 4619 pnew = vim_strnsave(new, len + 2); 4620 pnew[len] = ' '; 4621 pnew[len + 1] = NUL; 4622 ml_replace(curwin->w_cursor.lnum, pnew, FALSE); 4623 /* remove the space later */ 4624 did_add_space = TRUE; 4625 } 4626 else 4627 /* may remove added space */ 4628 check_auto_format(FALSE); 4629 } 4630 4631 check_cursor(); 4632 } 4633 4634 /* 4635 * When an extra space was added to continue a paragraph for auto-formatting, 4636 * delete it now. The space must be under the cursor, just after the insert 4637 * position. 4638 */ 4639 static void 4640 check_auto_format(end_insert) 4641 int end_insert; /* TRUE when ending Insert mode */ 4642 { 4643 int c = ' '; 4644 int cc; 4645 4646 if (did_add_space) 4647 { 4648 cc = gchar_cursor(); 4649 if (!WHITECHAR(cc)) 4650 /* Somehow the space was removed already. */ 4651 did_add_space = FALSE; 4652 else 4653 { 4654 if (!end_insert) 4655 { 4656 inc_cursor(); 4657 c = gchar_cursor(); 4658 dec_cursor(); 4659 } 4660 if (c != NUL) 4661 { 4662 /* The space is no longer at the end of the line, delete it. */ 4663 del_char(FALSE); 4664 did_add_space = FALSE; 4665 } 4666 } 4667 } 4668 } 4669 4670 /* 4671 * Find out textwidth to be used for formatting: 4672 * if 'textwidth' option is set, use it 4673 * else if 'wrapmargin' option is set, use W_WIDTH(curwin) - 'wrapmargin' 4674 * if invalid value, use 0. 4675 * Set default to window width (maximum 79) for "gq" operator. 4676 */ 4677 int 4678 comp_textwidth(ff) 4679 int ff; /* force formatting (for "Q" command) */ 4680 { 4681 int textwidth; 4682 4683 textwidth = curbuf->b_p_tw; 4684 if (textwidth == 0 && curbuf->b_p_wm) 4685 { 4686 /* The width is the window width minus 'wrapmargin' minus all the 4687 * things that add to the margin. */ 4688 textwidth = W_WIDTH(curwin) - curbuf->b_p_wm; 4689 #ifdef FEAT_CMDWIN 4690 if (cmdwin_type != 0) 4691 textwidth -= 1; 4692 #endif 4693 #ifdef FEAT_FOLDING 4694 textwidth -= curwin->w_p_fdc; 4695 #endif 4696 #ifdef FEAT_SIGNS 4697 if (curwin->w_buffer->b_signlist != NULL 4698 # ifdef FEAT_NETBEANS_INTG 4699 || usingNetbeans 4700 # endif 4701 ) 4702 textwidth -= 1; 4703 #endif 4704 if (curwin->w_p_nu) 4705 textwidth -= 8; 4706 } 4707 if (textwidth < 0) 4708 textwidth = 0; 4709 if (ff && textwidth == 0) 4710 { 4711 textwidth = W_WIDTH(curwin) - 1; 4712 if (textwidth > 79) 4713 textwidth = 79; 4714 } 4715 return textwidth; 4716 } 4717 4718 /* 4719 * Put a character in the redo buffer, for when just after a CTRL-V. 4720 */ 4721 static void 4722 redo_literal(c) 4723 int c; 4724 { 4725 char_u buf[10]; 4726 4727 /* Only digits need special treatment. Translate them into a string of 4728 * three digits. */ 4729 if (VIM_ISDIGIT(c)) 4730 { 4731 sprintf((char *)buf, "%03d", c); 4732 AppendToRedobuff(buf); 4733 } 4734 else 4735 AppendCharToRedobuff(c); 4736 } 4737 4738 /* 4739 * start_arrow() is called when an arrow key is used in insert mode. 4740 * For undo/redo it resembles hitting the <ESC> key. 4741 */ 4742 static void 4743 start_arrow(end_insert_pos) 4744 pos_T *end_insert_pos; 4745 { 4746 if (!arrow_used) /* something has been inserted */ 4747 { 4748 AppendToRedobuff(ESC_STR); 4749 stop_insert(end_insert_pos, FALSE); 4750 arrow_used = TRUE; /* this means we stopped the current insert */ 4751 } 4752 #ifdef FEAT_SYN_HL 4753 check_spell_redraw(); 4754 #endif 4755 } 4756 4757 #ifdef FEAT_SYN_HL 4758 /* 4759 * If we skipped highlighting word at cursor, do it now. 4760 * It may be skipped again, thus reset spell_redraw_lnum first. 4761 */ 4762 static void 4763 check_spell_redraw() 4764 { 4765 if (spell_redraw_lnum != 0) 4766 { 4767 linenr_T lnum = spell_redraw_lnum; 4768 4769 spell_redraw_lnum = 0; 4770 redrawWinline(lnum, FALSE); 4771 } 4772 } 4773 4774 /* 4775 * Called when starting CTRL_X_SPELL mode: Move backwards to a previous badly 4776 * spelled word, if there is one. 4777 */ 4778 static void 4779 spell_back_to_badword() 4780 { 4781 pos_T tpos = curwin->w_cursor; 4782 4783 spell_bad_len = spell_move_to(curwin, BACKWARD, TRUE, TRUE, NULL); 4784 if (curwin->w_cursor.col != tpos.col) 4785 start_arrow(&tpos); 4786 } 4787 #endif 4788 4789 /* 4790 * stop_arrow() is called before a change is made in insert mode. 4791 * If an arrow key has been used, start a new insertion. 4792 * Returns FAIL if undo is impossible, shouldn't insert then. 4793 */ 4794 int 4795 stop_arrow() 4796 { 4797 if (arrow_used) 4798 { 4799 if (u_save_cursor() == OK) 4800 { 4801 arrow_used = FALSE; 4802 ins_need_undo = FALSE; 4803 } 4804 Insstart = curwin->w_cursor; /* new insertion starts here */ 4805 Insstart_textlen = linetabsize(ml_get_curline()); 4806 ai_col = 0; 4807 #ifdef FEAT_VREPLACE 4808 if (State & VREPLACE_FLAG) 4809 { 4810 orig_line_count = curbuf->b_ml.ml_line_count; 4811 vr_lines_changed = 1; 4812 } 4813 #endif 4814 ResetRedobuff(); 4815 AppendToRedobuff((char_u *)"1i"); /* pretend we start an insertion */ 4816 } 4817 else if (ins_need_undo) 4818 { 4819 if (u_save_cursor() == OK) 4820 ins_need_undo = FALSE; 4821 } 4822 4823 #ifdef FEAT_FOLDING 4824 /* Always open fold at the cursor line when inserting something. */ 4825 foldOpenCursor(); 4826 #endif 4827 4828 return (arrow_used || ins_need_undo ? FAIL : OK); 4829 } 4830 4831 /* 4832 * do a few things to stop inserting 4833 */ 4834 static void 4835 stop_insert(end_insert_pos, esc) 4836 pos_T *end_insert_pos; /* where insert ended */ 4837 int esc; /* called by ins_esc() */ 4838 { 4839 int cc; 4840 4841 stop_redo_ins(); 4842 replace_flush(); /* abandon replace stack */ 4843 4844 /* 4845 * save the inserted text for later redo with ^@ 4846 */ 4847 vim_free(last_insert); 4848 last_insert = get_inserted(); 4849 last_insert_skip = new_insert_skip; 4850 4851 if (!arrow_used) 4852 { 4853 /* Auto-format now. It may seem strange to do this when stopping an 4854 * insertion (or moving the cursor), but it's required when appending 4855 * a line and having it end in a space. But only do it when something 4856 * was actually inserted, otherwise undo won't work. */ 4857 if (!ins_need_undo && has_format_option(FO_AUTO)) 4858 { 4859 pos_T tpos = curwin->w_cursor; 4860 4861 /* When the cursor is at the end of the line after a space the 4862 * formatting will move it to the following word. Avoid that by 4863 * moving the cursor onto the space. */ 4864 cc = 'x'; 4865 if (curwin->w_cursor.col > 0 && gchar_cursor() == NUL) 4866 { 4867 dec_cursor(); 4868 cc = gchar_cursor(); 4869 if (!vim_iswhite(cc)) 4870 curwin->w_cursor = tpos; 4871 } 4872 4873 auto_format(TRUE, FALSE); 4874 4875 if (vim_iswhite(cc)) 4876 { 4877 if (gchar_cursor() != NUL) 4878 inc_cursor(); 4879 #ifdef FEAT_VIRTUALEDIT 4880 /* If the cursor is still at the same character, also keep 4881 * the "coladd". */ 4882 if (gchar_cursor() == NUL 4883 && curwin->w_cursor.lnum == tpos.lnum 4884 && curwin->w_cursor.col == tpos.col) 4885 curwin->w_cursor.coladd = tpos.coladd; 4886 #endif 4887 } 4888 } 4889 4890 /* If a space was inserted for auto-formatting, remove it now. */ 4891 check_auto_format(TRUE); 4892 4893 /* If we just did an auto-indent, remove the white space from the end 4894 * of the line, and put the cursor back. 4895 * Do this when ESC was used or moving the cursor up/down. */ 4896 if (did_ai && (esc || (vim_strchr(p_cpo, CPO_INDENT) == NULL 4897 && curwin->w_cursor.lnum != end_insert_pos->lnum))) 4898 { 4899 pos_T tpos = curwin->w_cursor; 4900 4901 curwin->w_cursor = *end_insert_pos; 4902 if (gchar_cursor() == NUL && curwin->w_cursor.col > 0) 4903 --curwin->w_cursor.col; 4904 while (cc = gchar_cursor(), vim_iswhite(cc)) 4905 (void)del_char(TRUE); 4906 if (curwin->w_cursor.lnum != tpos.lnum) 4907 curwin->w_cursor = tpos; 4908 else if (cc != NUL) 4909 ++curwin->w_cursor.col; /* put cursor back on the NUL */ 4910 4911 #ifdef FEAT_VISUAL 4912 /* <C-S-Right> may have started Visual mode, adjust the position for 4913 * deleted characters. */ 4914 if (VIsual_active && VIsual.lnum == curwin->w_cursor.lnum) 4915 { 4916 cc = STRLEN(ml_get_curline()); 4917 if (VIsual.col > (colnr_T)cc) 4918 { 4919 VIsual.col = cc; 4920 # ifdef FEAT_VIRTUALEDIT 4921 VIsual.coladd = 0; 4922 # endif 4923 } 4924 } 4925 #endif 4926 } 4927 } 4928 did_ai = FALSE; 4929 #ifdef FEAT_SMARTINDENT 4930 did_si = FALSE; 4931 can_si = FALSE; 4932 can_si_back = FALSE; 4933 #endif 4934 4935 /* set '[ and '] to the inserted text */ 4936 curbuf->b_op_start = Insstart; 4937 curbuf->b_op_end = *end_insert_pos; 4938 } 4939 4940 /* 4941 * Set the last inserted text to a single character. 4942 * Used for the replace command. 4943 */ 4944 void 4945 set_last_insert(c) 4946 int c; 4947 { 4948 char_u *s; 4949 4950 vim_free(last_insert); 4951 #ifdef FEAT_MBYTE 4952 last_insert = alloc(MB_MAXBYTES * 3 + 5); 4953 #else 4954 last_insert = alloc(6); 4955 #endif 4956 if (last_insert != NULL) 4957 { 4958 s = last_insert; 4959 /* Use the CTRL-V only when entering a special char */ 4960 if (c < ' ' || c == DEL) 4961 *s++ = Ctrl_V; 4962 s = add_char2buf(c, s); 4963 *s++ = ESC; 4964 *s++ = NUL; 4965 last_insert_skip = 0; 4966 } 4967 } 4968 4969 #if defined(EXITFREE) || defined(PROTO) 4970 void 4971 free_last_insert() 4972 { 4973 vim_free(last_insert); 4974 last_insert = NULL; 4975 } 4976 #endif 4977 4978 /* 4979 * Add character "c" to buffer "s". Escape the special meaning of K_SPECIAL 4980 * and CSI. Handle multi-byte characters. 4981 * Returns a pointer to after the added bytes. 4982 */ 4983 char_u * 4984 add_char2buf(c, s) 4985 int c; 4986 char_u *s; 4987 { 4988 #ifdef FEAT_MBYTE 4989 char_u temp[MB_MAXBYTES]; 4990 int i; 4991 int len; 4992 4993 len = (*mb_char2bytes)(c, temp); 4994 for (i = 0; i < len; ++i) 4995 { 4996 c = temp[i]; 4997 #endif 4998 /* Need to escape K_SPECIAL and CSI like in the typeahead buffer. */ 4999 if (c == K_SPECIAL) 5000 { 5001 *s++ = K_SPECIAL; 5002 *s++ = KS_SPECIAL; 5003 *s++ = KE_FILLER; 5004 } 5005 #ifdef FEAT_GUI 5006 else if (c == CSI) 5007 { 5008 *s++ = CSI; 5009 *s++ = KS_EXTRA; 5010 *s++ = (int)KE_CSI; 5011 } 5012 #endif 5013 else 5014 *s++ = c; 5015 #ifdef FEAT_MBYTE 5016 } 5017 #endif 5018 return s; 5019 } 5020 5021 /* 5022 * move cursor to start of line 5023 * if flags & BL_WHITE move to first non-white 5024 * if flags & BL_SOL move to first non-white if startofline is set, 5025 * otherwise keep "curswant" column 5026 * if flags & BL_FIX don't leave the cursor on a NUL. 5027 */ 5028 void 5029 beginline(flags) 5030 int flags; 5031 { 5032 if ((flags & BL_SOL) && !p_sol) 5033 coladvance(curwin->w_curswant); 5034 else 5035 { 5036 curwin->w_cursor.col = 0; 5037 #ifdef FEAT_VIRTUALEDIT 5038 curwin->w_cursor.coladd = 0; 5039 #endif 5040 5041 if (flags & (BL_WHITE | BL_SOL)) 5042 { 5043 char_u *ptr; 5044 5045 for (ptr = ml_get_curline(); vim_iswhite(*ptr) 5046 && !((flags & BL_FIX) && ptr[1] == NUL); ++ptr) 5047 ++curwin->w_cursor.col; 5048 } 5049 curwin->w_set_curswant = TRUE; 5050 } 5051 } 5052 5053 /* 5054 * oneright oneleft cursor_down cursor_up 5055 * 5056 * Move one char {right,left,down,up}. 5057 * Doesn't move onto the NUL past the end of the line. 5058 * Return OK when successful, FAIL when we hit a line of file boundary. 5059 */ 5060 5061 int 5062 oneright() 5063 { 5064 char_u *ptr; 5065 #ifdef FEAT_MBYTE 5066 int l; 5067 #endif 5068 5069 #ifdef FEAT_VIRTUALEDIT 5070 if (virtual_active()) 5071 { 5072 pos_T prevpos = curwin->w_cursor; 5073 5074 /* Adjust for multi-wide char (excluding TAB) */ 5075 ptr = ml_get_cursor(); 5076 coladvance(getviscol() + ((*ptr != TAB && vim_isprintc( 5077 #ifdef FEAT_MBYTE 5078 (*mb_ptr2char)(ptr) 5079 #else 5080 *ptr 5081 #endif 5082 )) 5083 ? ptr2cells(ptr) : 1)); 5084 curwin->w_set_curswant = TRUE; 5085 /* Return OK if the cursor moved, FAIL otherwise (at window edge). */ 5086 return (prevpos.col != curwin->w_cursor.col 5087 || prevpos.coladd != curwin->w_cursor.coladd) ? OK : FAIL; 5088 } 5089 #endif 5090 5091 ptr = ml_get_cursor(); 5092 #ifdef FEAT_MBYTE 5093 if (has_mbyte && (l = (*mb_ptr2len)(ptr)) > 1) 5094 { 5095 /* The character under the cursor is a multi-byte character, move 5096 * several bytes right, but don't end up on the NUL. */ 5097 if (ptr[l] == NUL) 5098 return FAIL; 5099 curwin->w_cursor.col += l; 5100 } 5101 else 5102 #endif 5103 { 5104 if (*ptr++ == NUL || *ptr == NUL) 5105 return FAIL; 5106 ++curwin->w_cursor.col; 5107 } 5108 5109 curwin->w_set_curswant = TRUE; 5110 return OK; 5111 } 5112 5113 int 5114 oneleft() 5115 { 5116 #ifdef FEAT_VIRTUALEDIT 5117 if (virtual_active()) 5118 { 5119 int width; 5120 int v = getviscol(); 5121 5122 if (v == 0) 5123 return FAIL; 5124 5125 # ifdef FEAT_LINEBREAK 5126 /* We might get stuck on 'showbreak', skip over it. */ 5127 width = 1; 5128 for (;;) 5129 { 5130 coladvance(v - width); 5131 /* getviscol() is slow, skip it when 'showbreak' is empty and 5132 * there are no multi-byte characters */ 5133 if ((*p_sbr == NUL 5134 # ifdef FEAT_MBYTE 5135 && !has_mbyte 5136 # endif 5137 ) || getviscol() < v) 5138 break; 5139 ++width; 5140 } 5141 # else 5142 coladvance(v - 1); 5143 # endif 5144 5145 if (curwin->w_cursor.coladd == 1) 5146 { 5147 char_u *ptr; 5148 5149 /* Adjust for multi-wide char (not a TAB) */ 5150 ptr = ml_get_cursor(); 5151 if (*ptr != TAB && vim_isprintc( 5152 # ifdef FEAT_MBYTE 5153 (*mb_ptr2char)(ptr) 5154 # else 5155 *ptr 5156 # endif 5157 ) && ptr2cells(ptr) > 1) 5158 curwin->w_cursor.coladd = 0; 5159 } 5160 5161 curwin->w_set_curswant = TRUE; 5162 return OK; 5163 } 5164 #endif 5165 5166 if (curwin->w_cursor.col == 0) 5167 return FAIL; 5168 5169 curwin->w_set_curswant = TRUE; 5170 --curwin->w_cursor.col; 5171 5172 #ifdef FEAT_MBYTE 5173 /* if the character on the left of the current cursor is a multi-byte 5174 * character, move to its first byte */ 5175 if (has_mbyte) 5176 mb_adjust_cursor(); 5177 #endif 5178 return OK; 5179 } 5180 5181 int 5182 cursor_up(n, upd_topline) 5183 long n; 5184 int upd_topline; /* When TRUE: update topline */ 5185 { 5186 linenr_T lnum; 5187 5188 if (n > 0) 5189 { 5190 lnum = curwin->w_cursor.lnum; 5191 /* This fails if the cursor is already in the first line or the count 5192 * is larger than the line number and '-' is in 'cpoptions' */ 5193 if (lnum <= 1 || (n >= lnum && vim_strchr(p_cpo, CPO_MINUS) != NULL)) 5194 return FAIL; 5195 if (n >= lnum) 5196 lnum = 1; 5197 else 5198 #ifdef FEAT_FOLDING 5199 if (hasAnyFolding(curwin)) 5200 { 5201 /* 5202 * Count each sequence of folded lines as one logical line. 5203 */ 5204 /* go to the the start of the current fold */ 5205 (void)hasFolding(lnum, &lnum, NULL); 5206 5207 while (n--) 5208 { 5209 /* move up one line */ 5210 --lnum; 5211 if (lnum <= 1) 5212 break; 5213 /* If we entered a fold, move to the beginning, unless in 5214 * Insert mode or when 'foldopen' contains "all": it will open 5215 * in a moment. */ 5216 if (n > 0 || !((State & INSERT) || (fdo_flags & FDO_ALL))) 5217 (void)hasFolding(lnum, &lnum, NULL); 5218 } 5219 if (lnum < 1) 5220 lnum = 1; 5221 } 5222 else 5223 #endif 5224 lnum -= n; 5225 curwin->w_cursor.lnum = lnum; 5226 } 5227 5228 /* try to advance to the column we want to be at */ 5229 coladvance(curwin->w_curswant); 5230 5231 if (upd_topline) 5232 update_topline(); /* make sure curwin->w_topline is valid */ 5233 5234 return OK; 5235 } 5236 5237 /* 5238 * Cursor down a number of logical lines. 5239 */ 5240 int 5241 cursor_down(n, upd_topline) 5242 long n; 5243 int upd_topline; /* When TRUE: update topline */ 5244 { 5245 linenr_T lnum; 5246 5247 if (n > 0) 5248 { 5249 lnum = curwin->w_cursor.lnum; 5250 #ifdef FEAT_FOLDING 5251 /* Move to last line of fold, will fail if it's the end-of-file. */ 5252 (void)hasFolding(lnum, NULL, &lnum); 5253 #endif 5254 /* This fails if the cursor is already in the last line or would move 5255 * beyound the last line and '-' is in 'cpoptions' */ 5256 if (lnum >= curbuf->b_ml.ml_line_count 5257 || (lnum + n > curbuf->b_ml.ml_line_count 5258 && vim_strchr(p_cpo, CPO_MINUS) != NULL)) 5259 return FAIL; 5260 if (lnum + n >= curbuf->b_ml.ml_line_count) 5261 lnum = curbuf->b_ml.ml_line_count; 5262 else 5263 #ifdef FEAT_FOLDING 5264 if (hasAnyFolding(curwin)) 5265 { 5266 linenr_T last; 5267 5268 /* count each sequence of folded lines as one logical line */ 5269 while (n--) 5270 { 5271 if (hasFolding(lnum, NULL, &last)) 5272 lnum = last + 1; 5273 else 5274 ++lnum; 5275 if (lnum >= curbuf->b_ml.ml_line_count) 5276 break; 5277 } 5278 if (lnum > curbuf->b_ml.ml_line_count) 5279 lnum = curbuf->b_ml.ml_line_count; 5280 } 5281 else 5282 #endif 5283 lnum += n; 5284 curwin->w_cursor.lnum = lnum; 5285 } 5286 5287 /* try to advance to the column we want to be at */ 5288 coladvance(curwin->w_curswant); 5289 5290 if (upd_topline) 5291 update_topline(); /* make sure curwin->w_topline is valid */ 5292 5293 return OK; 5294 } 5295 5296 /* 5297 * Stuff the last inserted text in the read buffer. 5298 * Last_insert actually is a copy of the redo buffer, so we 5299 * first have to remove the command. 5300 */ 5301 int 5302 stuff_inserted(c, count, no_esc) 5303 int c; /* Command character to be inserted */ 5304 long count; /* Repeat this many times */ 5305 int no_esc; /* Don't add an ESC at the end */ 5306 { 5307 char_u *esc_ptr; 5308 char_u *ptr; 5309 char_u *last_ptr; 5310 char_u last = NUL; 5311 5312 ptr = get_last_insert(); 5313 if (ptr == NULL) 5314 { 5315 EMSG(_(e_noinstext)); 5316 return FAIL; 5317 } 5318 5319 /* may want to stuff the command character, to start Insert mode */ 5320 if (c != NUL) 5321 stuffcharReadbuff(c); 5322 if ((esc_ptr = (char_u *)vim_strrchr(ptr, ESC)) != NULL) 5323 *esc_ptr = NUL; /* remove the ESC */ 5324 5325 /* when the last char is either "0" or "^" it will be quoted if no ESC 5326 * comes after it OR if it will inserted more than once and "ptr" 5327 * starts with ^D. -- Acevedo 5328 */ 5329 last_ptr = (esc_ptr ? esc_ptr : ptr + STRLEN(ptr)) - 1; 5330 if (last_ptr >= ptr && (*last_ptr == '0' || *last_ptr == '^') 5331 && (no_esc || (*ptr == Ctrl_D && count > 1))) 5332 { 5333 last = *last_ptr; 5334 *last_ptr = NUL; 5335 } 5336 5337 do 5338 { 5339 stuffReadbuff(ptr); 5340 /* a trailing "0" is inserted as "<C-V>048", "^" as "<C-V>^" */ 5341 if (last) 5342 stuffReadbuff((char_u *)(last == '0' 5343 ? IF_EB("\026\060\064\070", CTRL_V_STR "xf0") 5344 : IF_EB("\026^", CTRL_V_STR "^"))); 5345 } 5346 while (--count > 0); 5347 5348 if (last) 5349 *last_ptr = last; 5350 5351 if (esc_ptr != NULL) 5352 *esc_ptr = ESC; /* put the ESC back */ 5353 5354 /* may want to stuff a trailing ESC, to get out of Insert mode */ 5355 if (!no_esc) 5356 stuffcharReadbuff(ESC); 5357 5358 return OK; 5359 } 5360 5361 char_u * 5362 get_last_insert() 5363 { 5364 if (last_insert == NULL) 5365 return NULL; 5366 return last_insert + last_insert_skip; 5367 } 5368 5369 /* 5370 * Get last inserted string, and remove trailing <Esc>. 5371 * Returns pointer to allocated memory (must be freed) or NULL. 5372 */ 5373 char_u * 5374 get_last_insert_save() 5375 { 5376 char_u *s; 5377 int len; 5378 5379 if (last_insert == NULL) 5380 return NULL; 5381 s = vim_strsave(last_insert + last_insert_skip); 5382 if (s != NULL) 5383 { 5384 len = (int)STRLEN(s); 5385 if (len > 0 && s[len - 1] == ESC) /* remove trailing ESC */ 5386 s[len - 1] = NUL; 5387 } 5388 return s; 5389 } 5390 5391 /* 5392 * Check the word in front of the cursor for an abbreviation. 5393 * Called when the non-id character "c" has been entered. 5394 * When an abbreviation is recognized it is removed from the text and 5395 * the replacement string is inserted in typebuf.tb_buf[], followed by "c". 5396 */ 5397 static int 5398 echeck_abbr(c) 5399 int c; 5400 { 5401 /* Don't check for abbreviation in paste mode, when disabled and just 5402 * after moving around with cursor keys. */ 5403 if (p_paste || no_abbr || arrow_used) 5404 return FALSE; 5405 5406 return check_abbr(c, ml_get_curline(), curwin->w_cursor.col, 5407 curwin->w_cursor.lnum == Insstart.lnum ? Insstart.col : 0); 5408 } 5409 5410 /* 5411 * replace-stack functions 5412 * 5413 * When replacing characters, the replaced characters are remembered for each 5414 * new character. This is used to re-insert the old text when backspacing. 5415 * 5416 * There is a NUL headed list of characters for each character that is 5417 * currently in the file after the insertion point. When BS is used, one NUL 5418 * headed list is put back for the deleted character. 5419 * 5420 * For a newline, there are two NUL headed lists. One contains the characters 5421 * that the NL replaced. The extra one stores the characters after the cursor 5422 * that were deleted (always white space). 5423 * 5424 * Replace_offset is normally 0, in which case replace_push will add a new 5425 * character at the end of the stack. If replace_offset is not 0, that many 5426 * characters will be left on the stack above the newly inserted character. 5427 */ 5428 5429 static char_u *replace_stack = NULL; 5430 static long replace_stack_nr = 0; /* next entry in replace stack */ 5431 static long replace_stack_len = 0; /* max. number of entries */ 5432 5433 void 5434 replace_push(c) 5435 int c; /* character that is replaced (NUL is none) */ 5436 { 5437 char_u *p; 5438 5439 if (replace_stack_nr < replace_offset) /* nothing to do */ 5440 return; 5441 if (replace_stack_len <= replace_stack_nr) 5442 { 5443 replace_stack_len += 50; 5444 p = lalloc(sizeof(char_u) * replace_stack_len, TRUE); 5445 if (p == NULL) /* out of memory */ 5446 { 5447 replace_stack_len -= 50; 5448 return; 5449 } 5450 if (replace_stack != NULL) 5451 { 5452 mch_memmove(p, replace_stack, 5453 (size_t)(replace_stack_nr * sizeof(char_u))); 5454 vim_free(replace_stack); 5455 } 5456 replace_stack = p; 5457 } 5458 p = replace_stack + replace_stack_nr - replace_offset; 5459 if (replace_offset) 5460 mch_memmove(p + 1, p, (size_t)(replace_offset * sizeof(char_u))); 5461 *p = c; 5462 ++replace_stack_nr; 5463 } 5464 5465 /* 5466 * call replace_push(c) with replace_offset set to the first NUL. 5467 */ 5468 static void 5469 replace_push_off(c) 5470 int c; 5471 { 5472 char_u *p; 5473 5474 p = replace_stack + replace_stack_nr; 5475 for (replace_offset = 1; replace_offset < replace_stack_nr; 5476 ++replace_offset) 5477 if (*--p == NUL) 5478 break; 5479 replace_push(c); 5480 replace_offset = 0; 5481 } 5482 5483 /* 5484 * Pop one item from the replace stack. 5485 * return -1 if stack empty 5486 * return replaced character or NUL otherwise 5487 */ 5488 static int 5489 replace_pop() 5490 { 5491 if (replace_stack_nr == 0) 5492 return -1; 5493 return (int)replace_stack[--replace_stack_nr]; 5494 } 5495 5496 /* 5497 * Join the top two items on the replace stack. This removes to "off"'th NUL 5498 * encountered. 5499 */ 5500 static void 5501 replace_join(off) 5502 int off; /* offset for which NUL to remove */ 5503 { 5504 int i; 5505 5506 for (i = replace_stack_nr; --i >= 0; ) 5507 if (replace_stack[i] == NUL && off-- <= 0) 5508 { 5509 --replace_stack_nr; 5510 mch_memmove(replace_stack + i, replace_stack + i + 1, 5511 (size_t)(replace_stack_nr - i)); 5512 return; 5513 } 5514 } 5515 5516 /* 5517 * Pop bytes from the replace stack until a NUL is found, and insert them 5518 * before the cursor. Can only be used in REPLACE or VREPLACE mode. 5519 */ 5520 static void 5521 replace_pop_ins() 5522 { 5523 int cc; 5524 int oldState = State; 5525 5526 State = NORMAL; /* don't want REPLACE here */ 5527 while ((cc = replace_pop()) > 0) 5528 { 5529 #ifdef FEAT_MBYTE 5530 mb_replace_pop_ins(cc); 5531 #else 5532 ins_char(cc); 5533 #endif 5534 dec_cursor(); 5535 } 5536 State = oldState; 5537 } 5538 5539 #ifdef FEAT_MBYTE 5540 /* 5541 * Insert bytes popped from the replace stack. "cc" is the first byte. If it 5542 * indicates a multi-byte char, pop the other bytes too. 5543 */ 5544 static void 5545 mb_replace_pop_ins(cc) 5546 int cc; 5547 { 5548 int n; 5549 char_u buf[MB_MAXBYTES]; 5550 int i; 5551 int c; 5552 5553 if (has_mbyte && (n = MB_BYTE2LEN(cc)) > 1) 5554 { 5555 buf[0] = cc; 5556 for (i = 1; i < n; ++i) 5557 buf[i] = replace_pop(); 5558 ins_bytes_len(buf, n); 5559 } 5560 else 5561 ins_char(cc); 5562 5563 if (enc_utf8) 5564 /* Handle composing chars. */ 5565 for (;;) 5566 { 5567 c = replace_pop(); 5568 if (c == -1) /* stack empty */ 5569 break; 5570 if ((n = MB_BYTE2LEN(c)) == 1) 5571 { 5572 /* Not a multi-byte char, put it back. */ 5573 replace_push(c); 5574 break; 5575 } 5576 else 5577 { 5578 buf[0] = c; 5579 for (i = 1; i < n; ++i) 5580 buf[i] = replace_pop(); 5581 if (utf_iscomposing(utf_ptr2char(buf))) 5582 ins_bytes_len(buf, n); 5583 else 5584 { 5585 /* Not a composing char, put it back. */ 5586 for (i = n - 1; i >= 0; --i) 5587 replace_push(buf[i]); 5588 break; 5589 } 5590 } 5591 } 5592 } 5593 #endif 5594 5595 /* 5596 * make the replace stack empty 5597 * (called when exiting replace mode) 5598 */ 5599 static void 5600 replace_flush() 5601 { 5602 vim_free(replace_stack); 5603 replace_stack = NULL; 5604 replace_stack_len = 0; 5605 replace_stack_nr = 0; 5606 } 5607 5608 /* 5609 * Handle doing a BS for one character. 5610 * cc < 0: replace stack empty, just move cursor 5611 * cc == 0: character was inserted, delete it 5612 * cc > 0: character was replaced, put cc (first byte of original char) back 5613 * and check for more characters to be put back 5614 */ 5615 static void 5616 replace_do_bs() 5617 { 5618 int cc; 5619 #ifdef FEAT_VREPLACE 5620 int orig_len = 0; 5621 int ins_len; 5622 int orig_vcols = 0; 5623 colnr_T start_vcol; 5624 char_u *p; 5625 int i; 5626 int vcol; 5627 #endif 5628 5629 cc = replace_pop(); 5630 if (cc > 0) 5631 { 5632 #ifdef FEAT_VREPLACE 5633 if (State & VREPLACE_FLAG) 5634 { 5635 /* Get the number of screen cells used by the character we are 5636 * going to delete. */ 5637 getvcol(curwin, &curwin->w_cursor, NULL, &start_vcol, NULL); 5638 orig_vcols = chartabsize(ml_get_cursor(), start_vcol); 5639 } 5640 #endif 5641 #ifdef FEAT_MBYTE 5642 if (has_mbyte) 5643 { 5644 del_char(FALSE); 5645 # ifdef FEAT_VREPLACE 5646 if (State & VREPLACE_FLAG) 5647 orig_len = STRLEN(ml_get_cursor()); 5648 # endif 5649 replace_push(cc); 5650 } 5651 else 5652 #endif 5653 { 5654 pchar_cursor(cc); 5655 #ifdef FEAT_VREPLACE 5656 if (State & VREPLACE_FLAG) 5657 orig_len = STRLEN(ml_get_cursor()) - 1; 5658 #endif 5659 } 5660 replace_pop_ins(); 5661 5662 #ifdef FEAT_VREPLACE 5663 if (State & VREPLACE_FLAG) 5664 { 5665 /* Get the number of screen cells used by the inserted characters */ 5666 p = ml_get_cursor(); 5667 ins_len = STRLEN(p) - orig_len; 5668 vcol = start_vcol; 5669 for (i = 0; i < ins_len; ++i) 5670 { 5671 vcol += chartabsize(p + i, vcol); 5672 #ifdef FEAT_MBYTE 5673 i += (*mb_ptr2len)(p) - 1; 5674 #endif 5675 } 5676 vcol -= start_vcol; 5677 5678 /* Delete spaces that were inserted after the cursor to keep the 5679 * text aligned. */ 5680 curwin->w_cursor.col += ins_len; 5681 while (vcol > orig_vcols && gchar_cursor() == ' ') 5682 { 5683 del_char(FALSE); 5684 ++orig_vcols; 5685 } 5686 curwin->w_cursor.col -= ins_len; 5687 } 5688 #endif 5689 5690 /* mark the buffer as changed and prepare for displaying */ 5691 changed_bytes(curwin->w_cursor.lnum, curwin->w_cursor.col); 5692 } 5693 else if (cc == 0) 5694 (void)del_char(FALSE); 5695 } 5696 5697 #ifdef FEAT_CINDENT 5698 /* 5699 * Return TRUE if C-indenting is on. 5700 */ 5701 static int 5702 cindent_on() 5703 { 5704 return (!p_paste && (curbuf->b_p_cin 5705 # ifdef FEAT_EVAL 5706 || *curbuf->b_p_inde != NUL 5707 # endif 5708 )); 5709 } 5710 #endif 5711 5712 #if defined(FEAT_LISP) || defined(FEAT_CINDENT) || defined(PROTO) 5713 /* 5714 * Re-indent the current line, based on the current contents of it and the 5715 * surrounding lines. Fixing the cursor position seems really easy -- I'm very 5716 * confused what all the part that handles Control-T is doing that I'm not. 5717 * "get_the_indent" should be get_c_indent, get_expr_indent or get_lisp_indent. 5718 */ 5719 5720 void 5721 fixthisline(get_the_indent) 5722 int (*get_the_indent) __ARGS((void)); 5723 { 5724 change_indent(INDENT_SET, get_the_indent(), FALSE, 0); 5725 if (linewhite(curwin->w_cursor.lnum)) 5726 did_ai = TRUE; /* delete the indent if the line stays empty */ 5727 } 5728 5729 void 5730 fix_indent() 5731 { 5732 if (p_paste) 5733 return; 5734 # ifdef FEAT_LISP 5735 if (curbuf->b_p_lisp && curbuf->b_p_ai) 5736 fixthisline(get_lisp_indent); 5737 # endif 5738 # if defined(FEAT_LISP) && defined(FEAT_CINDENT) 5739 else 5740 # endif 5741 # ifdef FEAT_CINDENT 5742 if (cindent_on()) 5743 do_c_expr_indent(); 5744 # endif 5745 } 5746 5747 #endif 5748 5749 #ifdef FEAT_CINDENT 5750 /* 5751 * return TRUE if 'cinkeys' contains the key "keytyped", 5752 * when == '*': Only if key is preceded with '*' (indent before insert) 5753 * when == '!': Only if key is prededed with '!' (don't insert) 5754 * when == ' ': Only if key is not preceded with '*'(indent afterwards) 5755 * 5756 * "keytyped" can have a few special values: 5757 * KEY_OPEN_FORW 5758 * KEY_OPEN_BACK 5759 * KEY_COMPLETE just finished completion. 5760 * 5761 * If line_is_empty is TRUE accept keys with '0' before them. 5762 */ 5763 int 5764 in_cinkeys(keytyped, when, line_is_empty) 5765 int keytyped; 5766 int when; 5767 int line_is_empty; 5768 { 5769 char_u *look; 5770 int try_match; 5771 int try_match_word; 5772 char_u *p; 5773 char_u *line; 5774 int icase; 5775 int i; 5776 5777 #ifdef FEAT_EVAL 5778 if (*curbuf->b_p_inde != NUL) 5779 look = curbuf->b_p_indk; /* 'indentexpr' set: use 'indentkeys' */ 5780 else 5781 #endif 5782 look = curbuf->b_p_cink; /* 'indentexpr' empty: use 'cinkeys' */ 5783 while (*look) 5784 { 5785 /* 5786 * Find out if we want to try a match with this key, depending on 5787 * 'when' and a '*' or '!' before the key. 5788 */ 5789 switch (when) 5790 { 5791 case '*': try_match = (*look == '*'); break; 5792 case '!': try_match = (*look == '!'); break; 5793 default: try_match = (*look != '*'); break; 5794 } 5795 if (*look == '*' || *look == '!') 5796 ++look; 5797 5798 /* 5799 * If there is a '0', only accept a match if the line is empty. 5800 * But may still match when typing last char of a word. 5801 */ 5802 if (*look == '0') 5803 { 5804 try_match_word = try_match; 5805 if (!line_is_empty) 5806 try_match = FALSE; 5807 ++look; 5808 } 5809 else 5810 try_match_word = FALSE; 5811 5812 /* 5813 * does it look like a control character? 5814 */ 5815 if (*look == '^' 5816 #ifdef EBCDIC 5817 && (Ctrl_chr(look[1]) != 0) 5818 #else 5819 && look[1] >= '?' && look[1] <= '_' 5820 #endif 5821 ) 5822 { 5823 if (try_match && keytyped == Ctrl_chr(look[1])) 5824 return TRUE; 5825 look += 2; 5826 } 5827 /* 5828 * 'o' means "o" command, open forward. 5829 * 'O' means "O" command, open backward. 5830 */ 5831 else if (*look == 'o') 5832 { 5833 if (try_match && keytyped == KEY_OPEN_FORW) 5834 return TRUE; 5835 ++look; 5836 } 5837 else if (*look == 'O') 5838 { 5839 if (try_match && keytyped == KEY_OPEN_BACK) 5840 return TRUE; 5841 ++look; 5842 } 5843 5844 /* 5845 * 'e' means to check for "else" at start of line and just before the 5846 * cursor. 5847 */ 5848 else if (*look == 'e') 5849 { 5850 if (try_match && keytyped == 'e' && curwin->w_cursor.col >= 4) 5851 { 5852 p = ml_get_curline(); 5853 if (skipwhite(p) == p + curwin->w_cursor.col - 4 && 5854 STRNCMP(p + curwin->w_cursor.col - 4, "else", 4) == 0) 5855 return TRUE; 5856 } 5857 ++look; 5858 } 5859 5860 /* 5861 * ':' only causes an indent if it is at the end of a label or case 5862 * statement, or when it was before typing the ':' (to fix 5863 * class::method for C++). 5864 */ 5865 else if (*look == ':') 5866 { 5867 if (try_match && keytyped == ':') 5868 { 5869 p = ml_get_curline(); 5870 if (cin_iscase(p) || cin_isscopedecl(p) || cin_islabel(30)) 5871 return TRUE; 5872 if (curwin->w_cursor.col > 2 5873 && p[curwin->w_cursor.col - 1] == ':' 5874 && p[curwin->w_cursor.col - 2] == ':') 5875 { 5876 p[curwin->w_cursor.col - 1] = ' '; 5877 i = (cin_iscase(p) || cin_isscopedecl(p) 5878 || cin_islabel(30)); 5879 p = ml_get_curline(); 5880 p[curwin->w_cursor.col - 1] = ':'; 5881 if (i) 5882 return TRUE; 5883 } 5884 } 5885 ++look; 5886 } 5887 5888 5889 /* 5890 * Is it a key in <>, maybe? 5891 */ 5892 else if (*look == '<') 5893 { 5894 if (try_match) 5895 { 5896 /* 5897 * make up some named keys <o>, <O>, <e>, <0>, <>>, <<>, <*>, 5898 * <:> and <!> so that people can re-indent on o, O, e, 0, <, 5899 * >, *, : and ! keys if they really really want to. 5900 */ 5901 if (vim_strchr((char_u *)"<>!*oOe0:", look[1]) != NULL 5902 && keytyped == look[1]) 5903 return TRUE; 5904 5905 if (keytyped == get_special_key_code(look + 1)) 5906 return TRUE; 5907 } 5908 while (*look && *look != '>') 5909 look++; 5910 while (*look == '>') 5911 look++; 5912 } 5913 5914 /* 5915 * Is it a word: "=word"? 5916 */ 5917 else if (*look == '=' && look[1] != ',' && look[1] != NUL) 5918 { 5919 ++look; 5920 if (*look == '~') 5921 { 5922 icase = TRUE; 5923 ++look; 5924 } 5925 else 5926 icase = FALSE; 5927 p = vim_strchr(look, ','); 5928 if (p == NULL) 5929 p = look + STRLEN(look); 5930 if ((try_match || try_match_word) 5931 && curwin->w_cursor.col >= (colnr_T)(p - look)) 5932 { 5933 int match = FALSE; 5934 5935 #ifdef FEAT_INS_EXPAND 5936 if (keytyped == KEY_COMPLETE) 5937 { 5938 char_u *s; 5939 5940 /* Just completed a word, check if it starts with "look". 5941 * search back for the start of a word. */ 5942 line = ml_get_curline(); 5943 # ifdef FEAT_MBYTE 5944 if (has_mbyte) 5945 { 5946 char_u *n; 5947 5948 for (s = line + curwin->w_cursor.col; s > line; s = n) 5949 { 5950 n = mb_prevptr(line, s); 5951 if (!vim_iswordp(n)) 5952 break; 5953 } 5954 } 5955 else 5956 # endif 5957 for (s = line + curwin->w_cursor.col; s > line; --s) 5958 if (!vim_iswordc(s[-1])) 5959 break; 5960 if (s + (p - look) <= line + curwin->w_cursor.col 5961 && (icase 5962 ? MB_STRNICMP(s, look, p - look) 5963 : STRNCMP(s, look, p - look)) == 0) 5964 match = TRUE; 5965 } 5966 else 5967 #endif 5968 /* TODO: multi-byte */ 5969 if (keytyped == (int)p[-1] || (icase && keytyped < 256 5970 && TOLOWER_LOC(keytyped) == TOLOWER_LOC((int)p[-1]))) 5971 { 5972 line = ml_get_cursor(); 5973 if ((curwin->w_cursor.col == (colnr_T)(p - look) 5974 || !vim_iswordc(line[-(p - look) - 1])) 5975 && (icase 5976 ? MB_STRNICMP(line - (p - look), look, p - look) 5977 : STRNCMP(line - (p - look), look, p - look)) 5978 == 0) 5979 match = TRUE; 5980 } 5981 if (match && try_match_word && !try_match) 5982 { 5983 /* "0=word": Check if there are only blanks before the 5984 * word. */ 5985 line = ml_get_curline(); 5986 if ((int)(skipwhite(line) - line) != 5987 (int)(curwin->w_cursor.col - (p - look))) 5988 match = FALSE; 5989 } 5990 if (match) 5991 return TRUE; 5992 } 5993 look = p; 5994 } 5995 5996 /* 5997 * ok, it's a boring generic character. 5998 */ 5999 else 6000 { 6001 if (try_match && *look == keytyped) 6002 return TRUE; 6003 ++look; 6004 } 6005 6006 /* 6007 * Skip over ", ". 6008 */ 6009 look = skip_to_option_part(look); 6010 } 6011 return FALSE; 6012 } 6013 #endif /* FEAT_CINDENT */ 6014 6015 #if defined(FEAT_RIGHTLEFT) || defined(PROTO) 6016 /* 6017 * Map Hebrew keyboard when in hkmap mode. 6018 */ 6019 int 6020 hkmap(c) 6021 int c; 6022 { 6023 if (p_hkmapp) /* phonetic mapping, by Ilya Dogolazky */ 6024 { 6025 enum {hALEF=0, BET, GIMEL, DALET, HEI, VAV, ZAIN, HET, TET, IUD, 6026 KAFsofit, hKAF, LAMED, MEMsofit, MEM, NUNsofit, NUN, SAMEH, AIN, 6027 PEIsofit, PEI, ZADIsofit, ZADI, KOF, RESH, hSHIN, TAV}; 6028 static char_u map[26] = 6029 {(char_u)hALEF/*a*/, (char_u)BET /*b*/, (char_u)hKAF /*c*/, 6030 (char_u)DALET/*d*/, (char_u)-1 /*e*/, (char_u)PEIsofit/*f*/, 6031 (char_u)GIMEL/*g*/, (char_u)HEI /*h*/, (char_u)IUD /*i*/, 6032 (char_u)HET /*j*/, (char_u)KOF /*k*/, (char_u)LAMED /*l*/, 6033 (char_u)MEM /*m*/, (char_u)NUN /*n*/, (char_u)SAMEH /*o*/, 6034 (char_u)PEI /*p*/, (char_u)-1 /*q*/, (char_u)RESH /*r*/, 6035 (char_u)ZAIN /*s*/, (char_u)TAV /*t*/, (char_u)TET /*u*/, 6036 (char_u)VAV /*v*/, (char_u)hSHIN/*w*/, (char_u)-1 /*x*/, 6037 (char_u)AIN /*y*/, (char_u)ZADI /*z*/}; 6038 6039 if (c == 'N' || c == 'M' || c == 'P' || c == 'C' || c == 'Z') 6040 return (int)(map[CharOrd(c)] - 1 + p_aleph); 6041 /* '-1'='sofit' */ 6042 else if (c == 'x') 6043 return 'X'; 6044 else if (c == 'q') 6045 return '\''; /* {geresh}={'} */ 6046 else if (c == 246) 6047 return ' '; /* \"o --> ' ' for a german keyboard */ 6048 else if (c == 228) 6049 return ' '; /* \"a --> ' ' -- / -- */ 6050 else if (c == 252) 6051 return ' '; /* \"u --> ' ' -- / -- */ 6052 #ifdef EBCDIC 6053 else if (islower(c)) 6054 #else 6055 /* NOTE: islower() does not do the right thing for us on Linux so we 6056 * do this the same was as 5.7 and previous, so it works correctly on 6057 * all systems. Specifically, the e.g. Delete and Arrow keys are 6058 * munged and won't work if e.g. searching for Hebrew text. 6059 */ 6060 else if (c >= 'a' && c <= 'z') 6061 #endif 6062 return (int)(map[CharOrdLow(c)] + p_aleph); 6063 else 6064 return c; 6065 } 6066 else 6067 { 6068 switch (c) 6069 { 6070 case '`': return ';'; 6071 case '/': return '.'; 6072 case '\'': return ','; 6073 case 'q': return '/'; 6074 case 'w': return '\''; 6075 6076 /* Hebrew letters - set offset from 'a' */ 6077 case ',': c = '{'; break; 6078 case '.': c = 'v'; break; 6079 case ';': c = 't'; break; 6080 default: { 6081 static char str[] = "zqbcxlsjphmkwonu ydafe rig"; 6082 6083 #ifdef EBCDIC 6084 /* see note about islower() above */ 6085 if (!islower(c)) 6086 #else 6087 if (c < 'a' || c > 'z') 6088 #endif 6089 return c; 6090 c = str[CharOrdLow(c)]; 6091 break; 6092 } 6093 } 6094 6095 return (int)(CharOrdLow(c) + p_aleph); 6096 } 6097 } 6098 #endif 6099 6100 static void 6101 ins_reg() 6102 { 6103 int need_redraw = FALSE; 6104 int regname; 6105 int literally = 0; 6106 6107 /* 6108 * If we are going to wait for a character, show a '"'. 6109 */ 6110 pc_status = PC_STATUS_UNSET; 6111 if (redrawing() && !char_avail()) 6112 { 6113 /* may need to redraw when no more chars available now */ 6114 ins_redraw(); 6115 6116 edit_putchar('"', TRUE); 6117 #ifdef FEAT_CMDL_INFO 6118 add_to_showcmd_c(Ctrl_R); 6119 #endif 6120 } 6121 6122 #ifdef USE_ON_FLY_SCROLL 6123 dont_scroll = TRUE; /* disallow scrolling here */ 6124 #endif 6125 6126 /* 6127 * Don't map the register name. This also prevents the mode message to be 6128 * deleted when ESC is hit. 6129 */ 6130 ++no_mapping; 6131 regname = safe_vgetc(); 6132 #ifdef FEAT_LANGMAP 6133 LANGMAP_ADJUST(regname, TRUE); 6134 #endif 6135 if (regname == Ctrl_R || regname == Ctrl_O || regname == Ctrl_P) 6136 { 6137 /* Get a third key for literal register insertion */ 6138 literally = regname; 6139 #ifdef FEAT_CMDL_INFO 6140 add_to_showcmd_c(literally); 6141 #endif 6142 regname = safe_vgetc(); 6143 #ifdef FEAT_LANGMAP 6144 LANGMAP_ADJUST(regname, TRUE); 6145 #endif 6146 } 6147 --no_mapping; 6148 6149 #ifdef FEAT_EVAL 6150 /* 6151 * Don't call u_sync() while getting the expression, 6152 * evaluating it or giving an error message for it! 6153 */ 6154 ++no_u_sync; 6155 if (regname == '=') 6156 { 6157 # ifdef USE_IM_CONTROL 6158 int im_on = im_get_status(); 6159 # endif 6160 regname = get_expr_register(); 6161 # ifdef USE_IM_CONTROL 6162 /* Restore the Input Method. */ 6163 if (im_on) 6164 im_set_active(TRUE); 6165 # endif 6166 } 6167 if (regname == NUL || !valid_yank_reg(regname, FALSE)) 6168 { 6169 vim_beep(); 6170 need_redraw = TRUE; /* remove the '"' */ 6171 } 6172 else 6173 { 6174 #endif 6175 if (literally == Ctrl_O || literally == Ctrl_P) 6176 { 6177 /* Append the command to the redo buffer. */ 6178 AppendCharToRedobuff(Ctrl_R); 6179 AppendCharToRedobuff(literally); 6180 AppendCharToRedobuff(regname); 6181 6182 do_put(regname, BACKWARD, 1L, 6183 (literally == Ctrl_P ? PUT_FIXINDENT : 0) | PUT_CURSEND); 6184 } 6185 else if (insert_reg(regname, literally) == FAIL) 6186 { 6187 vim_beep(); 6188 need_redraw = TRUE; /* remove the '"' */ 6189 } 6190 else if (stop_insert_mode) 6191 /* When the '=' register was used and a function was invoked that 6192 * did ":stopinsert" then stuff_empty() returns FALSE but we won't 6193 * insert anything, need to remove the '"' */ 6194 need_redraw = TRUE; 6195 6196 #ifdef FEAT_EVAL 6197 } 6198 --no_u_sync; 6199 #endif 6200 #ifdef FEAT_CMDL_INFO 6201 clear_showcmd(); 6202 #endif 6203 6204 /* If the inserted register is empty, we need to remove the '"' */ 6205 if (need_redraw || stuff_empty()) 6206 edit_unputchar(); 6207 } 6208 6209 /* 6210 * CTRL-G commands in Insert mode. 6211 */ 6212 static void 6213 ins_ctrl_g() 6214 { 6215 int c; 6216 6217 #ifdef FEAT_INS_EXPAND 6218 /* Right after CTRL-X the cursor will be after the ruler. */ 6219 setcursor(); 6220 #endif 6221 6222 /* 6223 * Don't map the second key. This also prevents the mode message to be 6224 * deleted when ESC is hit. 6225 */ 6226 ++no_mapping; 6227 c = safe_vgetc(); 6228 --no_mapping; 6229 switch (c) 6230 { 6231 /* CTRL-G k and CTRL-G <Up>: cursor up to Insstart.col */ 6232 case K_UP: 6233 case Ctrl_K: 6234 case 'k': ins_up(TRUE); 6235 break; 6236 6237 /* CTRL-G j and CTRL-G <Down>: cursor down to Insstart.col */ 6238 case K_DOWN: 6239 case Ctrl_J: 6240 case 'j': ins_down(TRUE); 6241 break; 6242 6243 /* CTRL-G u: start new undoable edit */ 6244 case 'u': u_sync(); 6245 ins_need_undo = TRUE; 6246 break; 6247 6248 /* Unknown CTRL-G command, reserved for future expansion. */ 6249 default: vim_beep(); 6250 } 6251 } 6252 6253 /* 6254 * CTRL-^ in Insert mode. 6255 */ 6256 static void 6257 ins_ctrl_hat() 6258 { 6259 if (map_to_exists_mode((char_u *)"", LANGMAP)) 6260 { 6261 /* ":lmap" mappings exists, Toggle use of ":lmap" mappings. */ 6262 if (State & LANGMAP) 6263 { 6264 curbuf->b_p_iminsert = B_IMODE_NONE; 6265 State &= ~LANGMAP; 6266 } 6267 else 6268 { 6269 curbuf->b_p_iminsert = B_IMODE_LMAP; 6270 State |= LANGMAP; 6271 #ifdef USE_IM_CONTROL 6272 im_set_active(FALSE); 6273 #endif 6274 } 6275 } 6276 #ifdef USE_IM_CONTROL 6277 else 6278 { 6279 /* There are no ":lmap" mappings, toggle IM */ 6280 if (im_get_status()) 6281 { 6282 curbuf->b_p_iminsert = B_IMODE_NONE; 6283 im_set_active(FALSE); 6284 } 6285 else 6286 { 6287 curbuf->b_p_iminsert = B_IMODE_IM; 6288 State &= ~LANGMAP; 6289 im_set_active(TRUE); 6290 } 6291 } 6292 #endif 6293 set_iminsert_global(); 6294 showmode(); 6295 #ifdef FEAT_GUI 6296 /* may show different cursor shape or color */ 6297 if (gui.in_use) 6298 gui_update_cursor(TRUE, FALSE); 6299 #endif 6300 #if defined(FEAT_WINDOWS) && defined(FEAT_KEYMAP) 6301 /* Show/unshow value of 'keymap' in status lines. */ 6302 status_redraw_curbuf(); 6303 #endif 6304 } 6305 6306 /* 6307 * Handle ESC in insert mode. 6308 * Returns TRUE when leaving insert mode, FALSE when going to repeat the 6309 * insert. 6310 */ 6311 static int 6312 ins_esc(count, cmdchar, nomove) 6313 long *count; 6314 int cmdchar; 6315 int nomove; /* don't move cursor */ 6316 { 6317 int temp; 6318 static int disabled_redraw = FALSE; 6319 6320 #ifdef FEAT_SYN_HL 6321 check_spell_redraw(); 6322 #endif 6323 #if defined(FEAT_HANGULIN) 6324 # if defined(ESC_CHG_TO_ENG_MODE) 6325 hangul_input_state_set(0); 6326 # endif 6327 if (composing_hangul) 6328 { 6329 push_raw_key(composing_hangul_buffer, 2); 6330 composing_hangul = 0; 6331 } 6332 #endif 6333 #if defined(FEAT_MBYTE) && defined(MACOS_CLASSIC) 6334 previous_script = GetScriptManagerVariable(smKeyScript); 6335 KeyScript(smKeyRoman); /* or smKeySysScript */ 6336 #endif 6337 6338 temp = curwin->w_cursor.col; 6339 if (disabled_redraw) 6340 { 6341 --RedrawingDisabled; 6342 disabled_redraw = FALSE; 6343 } 6344 if (!arrow_used) 6345 { 6346 /* 6347 * Don't append the ESC for "r<CR>" and "grx". 6348 * When 'insertmode' is set only CTRL-L stops Insert mode. Needed for 6349 * when "count" is non-zero. 6350 */ 6351 if (cmdchar != 'r' && cmdchar != 'v') 6352 AppendToRedobuff(p_im ? (char_u *)"\014" : ESC_STR); 6353 6354 /* 6355 * Repeating insert may take a long time. Check for 6356 * interrupt now and then. 6357 */ 6358 if (*count > 0) 6359 { 6360 line_breakcheck(); 6361 if (got_int) 6362 *count = 0; 6363 } 6364 6365 if (--*count > 0) /* repeat what was typed */ 6366 { 6367 /* Vi repeats the insert without replacing characters. */ 6368 if (vim_strchr(p_cpo, CPO_REPLCNT) != NULL) 6369 State &= ~REPLACE_FLAG; 6370 6371 (void)start_redo_ins(); 6372 if (cmdchar == 'r' || cmdchar == 'v') 6373 stuffReadbuff(ESC_STR); /* no ESC in redo buffer */ 6374 ++RedrawingDisabled; 6375 disabled_redraw = TRUE; 6376 return FALSE; /* repeat the insert */ 6377 } 6378 stop_insert(&curwin->w_cursor, TRUE); 6379 undisplay_dollar(); 6380 } 6381 6382 /* When an autoindent was removed, curswant stays after the 6383 * indent */ 6384 if (restart_edit == NUL && (colnr_T)temp == curwin->w_cursor.col) 6385 curwin->w_set_curswant = TRUE; 6386 6387 /* Remember the last Insert position in the '^ mark. */ 6388 if (!cmdmod.keepjumps) 6389 curbuf->b_last_insert = curwin->w_cursor; 6390 6391 /* 6392 * The cursor should end up on the last inserted character. 6393 * Don't do it for CTRL-O, unless past the end of the line. 6394 */ 6395 if (!nomove 6396 && (curwin->w_cursor.col != 0 6397 #ifdef FEAT_VIRTUALEDIT 6398 || curwin->w_cursor.coladd > 0 6399 #endif 6400 ) 6401 && (restart_edit == NUL 6402 || (gchar_cursor() == NUL 6403 #ifdef FEAT_VISUAL 6404 && !VIsual_active 6405 #endif 6406 )) 6407 #ifdef FEAT_RIGHTLEFT 6408 && !revins_on 6409 #endif 6410 ) 6411 { 6412 #ifdef FEAT_VIRTUALEDIT 6413 if (curwin->w_cursor.coladd > 0 || ve_flags == VE_ALL) 6414 { 6415 oneleft(); 6416 if (restart_edit != NUL) 6417 ++curwin->w_cursor.coladd; 6418 } 6419 else 6420 #endif 6421 { 6422 --curwin->w_cursor.col; 6423 #ifdef FEAT_MBYTE 6424 /* Correct cursor for multi-byte character. */ 6425 if (has_mbyte) 6426 mb_adjust_cursor(); 6427 #endif 6428 } 6429 } 6430 6431 #ifdef USE_IM_CONTROL 6432 /* Disable IM to allow typing English directly for Normal mode commands. 6433 * When ":lmap" is enabled don't change 'iminsert' (IM can be enabled as 6434 * well). */ 6435 if (!(State & LANGMAP)) 6436 im_save_status(&curbuf->b_p_iminsert); 6437 im_set_active(FALSE); 6438 #endif 6439 6440 State = NORMAL; 6441 /* need to position cursor again (e.g. when on a TAB ) */ 6442 changed_cline_bef_curs(); 6443 6444 #ifdef FEAT_MOUSE 6445 setmouse(); 6446 #endif 6447 #ifdef CURSOR_SHAPE 6448 ui_cursor_shape(); /* may show different cursor shape */ 6449 #endif 6450 6451 /* 6452 * When recording or for CTRL-O, need to display the new mode. 6453 * Otherwise remove the mode message. 6454 */ 6455 if (Recording || restart_edit != NUL) 6456 showmode(); 6457 else if (p_smd) 6458 MSG(""); 6459 6460 return TRUE; /* exit Insert mode */ 6461 } 6462 6463 #ifdef FEAT_RIGHTLEFT 6464 /* 6465 * Toggle language: hkmap and revins_on. 6466 * Move to end of reverse inserted text. 6467 */ 6468 static void 6469 ins_ctrl_() 6470 { 6471 if (revins_on && revins_chars && revins_scol >= 0) 6472 { 6473 while (gchar_cursor() != NUL && revins_chars--) 6474 ++curwin->w_cursor.col; 6475 } 6476 p_ri = !p_ri; 6477 revins_on = (State == INSERT && p_ri); 6478 if (revins_on) 6479 { 6480 revins_scol = curwin->w_cursor.col; 6481 revins_legal++; 6482 revins_chars = 0; 6483 undisplay_dollar(); 6484 } 6485 else 6486 revins_scol = -1; 6487 #ifdef FEAT_FKMAP 6488 if (p_altkeymap) 6489 { 6490 /* 6491 * to be consistent also for redo command, using '.' 6492 * set arrow_used to true and stop it - causing to redo 6493 * characters entered in one mode (normal/reverse insert). 6494 */ 6495 arrow_used = TRUE; 6496 (void)stop_arrow(); 6497 p_fkmap = curwin->w_p_rl ^ p_ri; 6498 if (p_fkmap && p_ri) 6499 State = INSERT; 6500 } 6501 else 6502 #endif 6503 p_hkmap = curwin->w_p_rl ^ p_ri; /* be consistent! */ 6504 showmode(); 6505 } 6506 #endif 6507 6508 #ifdef FEAT_VISUAL 6509 /* 6510 * If 'keymodel' contains "startsel", may start selection. 6511 * Returns TRUE when a CTRL-O and other keys stuffed. 6512 */ 6513 static int 6514 ins_start_select(c) 6515 int c; 6516 { 6517 if (km_startsel) 6518 switch (c) 6519 { 6520 case K_KHOME: 6521 case K_KEND: 6522 case K_PAGEUP: 6523 case K_KPAGEUP: 6524 case K_PAGEDOWN: 6525 case K_KPAGEDOWN: 6526 # ifdef MACOS 6527 case K_LEFT: 6528 case K_RIGHT: 6529 case K_UP: 6530 case K_DOWN: 6531 case K_END: 6532 case K_HOME: 6533 # endif 6534 if (!(mod_mask & MOD_MASK_SHIFT)) 6535 break; 6536 /* FALLTHROUGH */ 6537 case K_S_LEFT: 6538 case K_S_RIGHT: 6539 case K_S_UP: 6540 case K_S_DOWN: 6541 case K_S_END: 6542 case K_S_HOME: 6543 /* Start selection right away, the cursor can move with 6544 * CTRL-O when beyond the end of the line. */ 6545 start_selection(); 6546 6547 /* Execute the key in (insert) Select mode. */ 6548 stuffcharReadbuff(Ctrl_O); 6549 if (mod_mask) 6550 { 6551 char_u buf[4]; 6552 6553 buf[0] = K_SPECIAL; 6554 buf[1] = KS_MODIFIER; 6555 buf[2] = mod_mask; 6556 buf[3] = NUL; 6557 stuffReadbuff(buf); 6558 } 6559 stuffcharReadbuff(c); 6560 return TRUE; 6561 } 6562 return FALSE; 6563 } 6564 #endif 6565 6566 /* 6567 * <Insert> key in Insert mode: toggle insert/remplace mode. 6568 */ 6569 static void 6570 ins_insert(replaceState) 6571 int replaceState; 6572 { 6573 #ifdef FEAT_FKMAP 6574 if (p_fkmap && p_ri) 6575 { 6576 beep_flush(); 6577 EMSG(farsi_text_3); /* encoded in Farsi */ 6578 return; 6579 } 6580 #endif 6581 6582 #ifdef FEAT_AUTOCMD 6583 set_vim_var_string(VV_INSERTMODE, 6584 (char_u *)((State & REPLACE_FLAG) ? "i" : 6585 replaceState == VREPLACE ? "v" : "r"), 1); 6586 apply_autocmds(EVENT_INSERTCHANGE, NULL, NULL, FALSE, curbuf); 6587 #endif 6588 if (State & REPLACE_FLAG) 6589 State = INSERT | (State & LANGMAP); 6590 else 6591 State = replaceState | (State & LANGMAP); 6592 AppendCharToRedobuff(K_INS); 6593 showmode(); 6594 #ifdef CURSOR_SHAPE 6595 ui_cursor_shape(); /* may show different cursor shape */ 6596 #endif 6597 } 6598 6599 /* 6600 * Pressed CTRL-O in Insert mode. 6601 */ 6602 static void 6603 ins_ctrl_o() 6604 { 6605 #ifdef FEAT_VREPLACE 6606 if (State & VREPLACE_FLAG) 6607 restart_edit = 'V'; 6608 else 6609 #endif 6610 if (State & REPLACE_FLAG) 6611 restart_edit = 'R'; 6612 else 6613 restart_edit = 'I'; 6614 #ifdef FEAT_VIRTUALEDIT 6615 if (virtual_active()) 6616 ins_at_eol = FALSE; /* cursor always keeps its column */ 6617 else 6618 #endif 6619 ins_at_eol = (gchar_cursor() == NUL); 6620 } 6621 6622 /* 6623 * If the cursor is on an indent, ^T/^D insert/delete one 6624 * shiftwidth. Otherwise ^T/^D behave like a "<<" or ">>". 6625 * Always round the indent to 'shiftwith', this is compatible 6626 * with vi. But vi only supports ^T and ^D after an 6627 * autoindent, we support it everywhere. 6628 */ 6629 static void 6630 ins_shift(c, lastc) 6631 int c; 6632 int lastc; 6633 { 6634 if (stop_arrow() == FAIL) 6635 return; 6636 AppendCharToRedobuff(c); 6637 6638 /* 6639 * 0^D and ^^D: remove all indent. 6640 */ 6641 if ((lastc == '0' || lastc == '^') && curwin->w_cursor.col) 6642 { 6643 --curwin->w_cursor.col; 6644 (void)del_char(FALSE); /* delete the '^' or '0' */ 6645 /* In Replace mode, restore the characters that '^' or '0' replaced. */ 6646 if (State & REPLACE_FLAG) 6647 replace_pop_ins(); 6648 if (lastc == '^') 6649 old_indent = get_indent(); /* remember curr. indent */ 6650 change_indent(INDENT_SET, 0, TRUE, 0); 6651 } 6652 else 6653 change_indent(c == Ctrl_D ? INDENT_DEC : INDENT_INC, 0, TRUE, 0); 6654 6655 if (did_ai && *skipwhite(ml_get_curline()) != NUL) 6656 did_ai = FALSE; 6657 #ifdef FEAT_SMARTINDENT 6658 did_si = FALSE; 6659 can_si = FALSE; 6660 can_si_back = FALSE; 6661 #endif 6662 #ifdef FEAT_CINDENT 6663 can_cindent = FALSE; /* no cindenting after ^D or ^T */ 6664 #endif 6665 } 6666 6667 static void 6668 ins_del() 6669 { 6670 int temp; 6671 6672 if (stop_arrow() == FAIL) 6673 return; 6674 if (gchar_cursor() == NUL) /* delete newline */ 6675 { 6676 temp = curwin->w_cursor.col; 6677 if (!can_bs(BS_EOL) /* only if "eol" included */ 6678 || u_save((linenr_T)(curwin->w_cursor.lnum - 1), 6679 (linenr_T)(curwin->w_cursor.lnum + 2)) == FAIL 6680 || do_join(FALSE) == FAIL) 6681 vim_beep(); 6682 else 6683 curwin->w_cursor.col = temp; 6684 } 6685 else if (del_char(FALSE) == FAIL) /* delete char under cursor */ 6686 vim_beep(); 6687 did_ai = FALSE; 6688 #ifdef FEAT_SMARTINDENT 6689 did_si = FALSE; 6690 can_si = FALSE; 6691 can_si_back = FALSE; 6692 #endif 6693 AppendCharToRedobuff(K_DEL); 6694 } 6695 6696 /* 6697 * Handle Backspace, delete-word and delete-line in Insert mode. 6698 * Return TRUE when backspace was actually used. 6699 */ 6700 static int 6701 ins_bs(c, mode, inserted_space_p) 6702 int c; 6703 int mode; 6704 int *inserted_space_p; 6705 { 6706 linenr_T lnum; 6707 int cc; 6708 int temp = 0; /* init for GCC */ 6709 colnr_T mincol; 6710 int did_backspace = FALSE; 6711 int in_indent; 6712 int oldState; 6713 #ifdef FEAT_MBYTE 6714 int p1, p2; 6715 #endif 6716 6717 /* 6718 * can't delete anything in an empty file 6719 * can't backup past first character in buffer 6720 * can't backup past starting point unless 'backspace' > 1 6721 * can backup to a previous line if 'backspace' == 0 6722 */ 6723 if ( bufempty() 6724 || ( 6725 #ifdef FEAT_RIGHTLEFT 6726 !revins_on && 6727 #endif 6728 ((curwin->w_cursor.lnum == 1 && curwin->w_cursor.col == 0) 6729 || (!can_bs(BS_START) 6730 && (arrow_used 6731 || (curwin->w_cursor.lnum == Insstart.lnum 6732 && curwin->w_cursor.col <= Insstart.col))) 6733 || (!can_bs(BS_INDENT) && !arrow_used && ai_col > 0 6734 && curwin->w_cursor.col <= ai_col) 6735 || (!can_bs(BS_EOL) && curwin->w_cursor.col == 0)))) 6736 { 6737 vim_beep(); 6738 return FALSE; 6739 } 6740 6741 if (stop_arrow() == FAIL) 6742 return FALSE; 6743 in_indent = inindent(0); 6744 #ifdef FEAT_CINDENT 6745 if (in_indent) 6746 can_cindent = FALSE; 6747 #endif 6748 #ifdef FEAT_COMMENTS 6749 end_comment_pending = NUL; /* After BS, don't auto-end comment */ 6750 #endif 6751 #ifdef FEAT_RIGHTLEFT 6752 if (revins_on) /* put cursor after last inserted char */ 6753 inc_cursor(); 6754 #endif 6755 6756 #ifdef FEAT_VIRTUALEDIT 6757 /* Virtualedit: 6758 * BACKSPACE_CHAR eats a virtual space 6759 * BACKSPACE_WORD eats all coladd 6760 * BACKSPACE_LINE eats all coladd and keeps going 6761 */ 6762 if (curwin->w_cursor.coladd > 0) 6763 { 6764 if (mode == BACKSPACE_CHAR) 6765 { 6766 --curwin->w_cursor.coladd; 6767 return TRUE; 6768 } 6769 if (mode == BACKSPACE_WORD) 6770 { 6771 curwin->w_cursor.coladd = 0; 6772 return TRUE; 6773 } 6774 curwin->w_cursor.coladd = 0; 6775 } 6776 #endif 6777 6778 /* 6779 * delete newline! 6780 */ 6781 if (curwin->w_cursor.col == 0) 6782 { 6783 lnum = Insstart.lnum; 6784 if (curwin->w_cursor.lnum == Insstart.lnum 6785 #ifdef FEAT_RIGHTLEFT 6786 || revins_on 6787 #endif 6788 ) 6789 { 6790 if (u_save((linenr_T)(curwin->w_cursor.lnum - 2), 6791 (linenr_T)(curwin->w_cursor.lnum + 1)) == FAIL) 6792 return FALSE; 6793 --Insstart.lnum; 6794 Insstart.col = MAXCOL; 6795 } 6796 /* 6797 * In replace mode: 6798 * cc < 0: NL was inserted, delete it 6799 * cc >= 0: NL was replaced, put original characters back 6800 */ 6801 cc = -1; 6802 if (State & REPLACE_FLAG) 6803 cc = replace_pop(); /* returns -1 if NL was inserted */ 6804 /* 6805 * In replace mode, in the line we started replacing, we only move the 6806 * cursor. 6807 */ 6808 if ((State & REPLACE_FLAG) && curwin->w_cursor.lnum <= lnum) 6809 { 6810 dec_cursor(); 6811 } 6812 else 6813 { 6814 #ifdef FEAT_VREPLACE 6815 if (!(State & VREPLACE_FLAG) 6816 || curwin->w_cursor.lnum > orig_line_count) 6817 #endif 6818 { 6819 temp = gchar_cursor(); /* remember current char */ 6820 --curwin->w_cursor.lnum; 6821 6822 /* When "aw" is in 'formatoptions' we must delete the space at 6823 * the end of the line, otherwise the line will be broken 6824 * again when auto-formatting. */ 6825 if (has_format_option(FO_AUTO) 6826 && has_format_option(FO_WHITE_PAR)) 6827 { 6828 char_u *ptr = ml_get_buf(curbuf, curwin->w_cursor.lnum, 6829 TRUE); 6830 int len; 6831 6832 len = STRLEN(ptr); 6833 if (len > 0 && ptr[len - 1] == ' ') 6834 ptr[len - 1] = NUL; 6835 } 6836 6837 (void)do_join(FALSE); 6838 if (temp == NUL && gchar_cursor() != NUL) 6839 inc_cursor(); 6840 } 6841 #ifdef FEAT_VREPLACE 6842 else 6843 dec_cursor(); 6844 #endif 6845 6846 /* 6847 * In REPLACE mode we have to put back the text that was replaced 6848 * by the NL. On the replace stack is first a NUL-terminated 6849 * sequence of characters that were deleted and then the 6850 * characters that NL replaced. 6851 */ 6852 if (State & REPLACE_FLAG) 6853 { 6854 /* 6855 * Do the next ins_char() in NORMAL state, to 6856 * prevent ins_char() from replacing characters and 6857 * avoiding showmatch(). 6858 */ 6859 oldState = State; 6860 State = NORMAL; 6861 /* 6862 * restore characters (blanks) deleted after cursor 6863 */ 6864 while (cc > 0) 6865 { 6866 temp = curwin->w_cursor.col; 6867 #ifdef FEAT_MBYTE 6868 mb_replace_pop_ins(cc); 6869 #else 6870 ins_char(cc); 6871 #endif 6872 curwin->w_cursor.col = temp; 6873 cc = replace_pop(); 6874 } 6875 /* restore the characters that NL replaced */ 6876 replace_pop_ins(); 6877 State = oldState; 6878 } 6879 } 6880 did_ai = FALSE; 6881 } 6882 else 6883 { 6884 /* 6885 * Delete character(s) before the cursor. 6886 */ 6887 #ifdef FEAT_RIGHTLEFT 6888 if (revins_on) /* put cursor on last inserted char */ 6889 dec_cursor(); 6890 #endif 6891 mincol = 0; 6892 /* keep indent */ 6893 if (mode == BACKSPACE_LINE && curbuf->b_p_ai 6894 #ifdef FEAT_RIGHTLEFT 6895 && !revins_on 6896 #endif 6897 ) 6898 { 6899 temp = curwin->w_cursor.col; 6900 beginline(BL_WHITE); 6901 if (curwin->w_cursor.col < (colnr_T)temp) 6902 mincol = curwin->w_cursor.col; 6903 curwin->w_cursor.col = temp; 6904 } 6905 6906 /* 6907 * Handle deleting one 'shiftwidth' or 'softtabstop'. 6908 */ 6909 if ( mode == BACKSPACE_CHAR 6910 && ((p_sta && in_indent) 6911 || (curbuf->b_p_sts 6912 && (*(ml_get_cursor() - 1) == TAB 6913 || (*(ml_get_cursor() - 1) == ' ' 6914 && (!*inserted_space_p 6915 || arrow_used)))))) 6916 { 6917 int ts; 6918 colnr_T vcol; 6919 colnr_T want_vcol; 6920 int extra = 0; 6921 6922 *inserted_space_p = FALSE; 6923 if (p_sta) 6924 ts = curbuf->b_p_sw; 6925 else 6926 ts = curbuf->b_p_sts; 6927 /* Compute the virtual column where we want to be. Since 6928 * 'showbreak' may get in the way, need to get the last column of 6929 * the previous character. */ 6930 getvcol(curwin, &curwin->w_cursor, &vcol, NULL, NULL); 6931 dec_cursor(); 6932 getvcol(curwin, &curwin->w_cursor, NULL, NULL, &want_vcol); 6933 inc_cursor(); 6934 want_vcol = (want_vcol / ts) * ts; 6935 6936 /* delete characters until we are at or before want_vcol */ 6937 while (vcol > want_vcol 6938 && (cc = *(ml_get_cursor() - 1), vim_iswhite(cc))) 6939 { 6940 dec_cursor(); 6941 getvcol(curwin, &curwin->w_cursor, &vcol, NULL, NULL); 6942 if (State & REPLACE_FLAG) 6943 { 6944 /* Don't delete characters before the insert point when in 6945 * Replace mode */ 6946 if (curwin->w_cursor.lnum != Insstart.lnum 6947 || curwin->w_cursor.col >= Insstart.col) 6948 { 6949 #if 0 /* what was this for? It causes problems when sw != ts. */ 6950 if (State == REPLACE && (int)vcol < want_vcol) 6951 { 6952 (void)del_char(FALSE); 6953 extra = 2; /* don't pop too much */ 6954 } 6955 else 6956 #endif 6957 replace_do_bs(); 6958 } 6959 } 6960 else 6961 (void)del_char(FALSE); 6962 } 6963 6964 /* insert extra spaces until we are at want_vcol */ 6965 while (vcol < want_vcol) 6966 { 6967 /* Remember the first char we inserted */ 6968 if (curwin->w_cursor.lnum == Insstart.lnum 6969 && curwin->w_cursor.col < Insstart.col) 6970 Insstart.col = curwin->w_cursor.col; 6971 6972 #ifdef FEAT_VREPLACE 6973 if (State & VREPLACE_FLAG) 6974 ins_char(' '); 6975 else 6976 #endif 6977 { 6978 ins_str((char_u *)" "); 6979 if ((State & REPLACE_FLAG) && extra <= 1) 6980 { 6981 if (extra) 6982 replace_push_off(NUL); 6983 else 6984 replace_push(NUL); 6985 } 6986 if (extra == 2) 6987 extra = 1; 6988 } 6989 getvcol(curwin, &curwin->w_cursor, &vcol, NULL, NULL); 6990 } 6991 } 6992 6993 /* 6994 * Delete upto starting point, start of line or previous word. 6995 */ 6996 else do 6997 { 6998 #ifdef FEAT_RIGHTLEFT 6999 if (!revins_on) /* put cursor on char to be deleted */ 7000 #endif 7001 dec_cursor(); 7002 7003 /* start of word? */ 7004 if (mode == BACKSPACE_WORD && !vim_isspace(gchar_cursor())) 7005 { 7006 mode = BACKSPACE_WORD_NOT_SPACE; 7007 temp = vim_iswordc(gchar_cursor()); 7008 } 7009 /* end of word? */ 7010 else if (mode == BACKSPACE_WORD_NOT_SPACE 7011 && (vim_isspace(cc = gchar_cursor()) 7012 || vim_iswordc(cc) != temp)) 7013 { 7014 #ifdef FEAT_RIGHTLEFT 7015 if (!revins_on) 7016 #endif 7017 inc_cursor(); 7018 #ifdef FEAT_RIGHTLEFT 7019 else if (State & REPLACE_FLAG) 7020 dec_cursor(); 7021 #endif 7022 break; 7023 } 7024 if (State & REPLACE_FLAG) 7025 replace_do_bs(); 7026 else 7027 { 7028 #ifdef FEAT_MBYTE 7029 if (enc_utf8 && p_deco) 7030 (void)utfc_ptr2char(ml_get_cursor(), &p1, &p2); 7031 #endif 7032 (void)del_char(FALSE); 7033 #ifdef FEAT_MBYTE 7034 /* 7035 * If p1 or p2 is non-zero, there are combining characters we 7036 * need to take account of. Don't back up before the base 7037 * character. 7038 */ 7039 if (enc_utf8 && p_deco && (p1 != NUL || p2 != NUL)) 7040 inc_cursor(); 7041 #endif 7042 #ifdef FEAT_RIGHTLEFT 7043 if (revins_chars) 7044 { 7045 revins_chars--; 7046 revins_legal++; 7047 } 7048 if (revins_on && gchar_cursor() == NUL) 7049 break; 7050 #endif 7051 } 7052 /* Just a single backspace?: */ 7053 if (mode == BACKSPACE_CHAR) 7054 break; 7055 } while ( 7056 #ifdef FEAT_RIGHTLEFT 7057 revins_on || 7058 #endif 7059 (curwin->w_cursor.col > mincol 7060 && (curwin->w_cursor.lnum != Insstart.lnum 7061 || curwin->w_cursor.col != Insstart.col))); 7062 did_backspace = TRUE; 7063 } 7064 #ifdef FEAT_SMARTINDENT 7065 did_si = FALSE; 7066 can_si = FALSE; 7067 can_si_back = FALSE; 7068 #endif 7069 if (curwin->w_cursor.col <= 1) 7070 did_ai = FALSE; 7071 /* 7072 * It's a little strange to put backspaces into the redo 7073 * buffer, but it makes auto-indent a lot easier to deal 7074 * with. 7075 */ 7076 AppendCharToRedobuff(c); 7077 7078 /* If deleted before the insertion point, adjust it */ 7079 if (curwin->w_cursor.lnum == Insstart.lnum 7080 && curwin->w_cursor.col < Insstart.col) 7081 Insstart.col = curwin->w_cursor.col; 7082 7083 /* vi behaviour: the cursor moves backward but the character that 7084 * was there remains visible 7085 * Vim behaviour: the cursor moves backward and the character that 7086 * was there is erased from the screen. 7087 * We can emulate the vi behaviour by pretending there is a dollar 7088 * displayed even when there isn't. 7089 * --pkv Sun Jan 19 01:56:40 EST 2003 */ 7090 if (vim_strchr(p_cpo, CPO_BACKSPACE) != NULL && dollar_vcol == 0) 7091 dollar_vcol = curwin->w_virtcol; 7092 7093 return did_backspace; 7094 } 7095 7096 #ifdef FEAT_MOUSE 7097 static void 7098 ins_mouse(c) 7099 int c; 7100 { 7101 pos_T tpos; 7102 7103 # ifdef FEAT_GUI 7104 /* When GUI is active, also move/paste when 'mouse' is empty */ 7105 if (!gui.in_use) 7106 # endif 7107 if (!mouse_has(MOUSE_INSERT)) 7108 return; 7109 7110 undisplay_dollar(); 7111 tpos = curwin->w_cursor; 7112 if (do_mouse(NULL, c, BACKWARD, 1L, 0)) 7113 { 7114 start_arrow(&tpos); 7115 # ifdef FEAT_CINDENT 7116 can_cindent = TRUE; 7117 # endif 7118 } 7119 7120 #ifdef FEAT_WINDOWS 7121 /* redraw status lines (in case another window became active) */ 7122 redraw_statuslines(); 7123 #endif 7124 } 7125 7126 static void 7127 ins_mousescroll(up) 7128 int up; 7129 { 7130 pos_T tpos; 7131 # if defined(FEAT_GUI) && defined(FEAT_WINDOWS) 7132 win_T *old_curwin; 7133 # endif 7134 7135 tpos = curwin->w_cursor; 7136 7137 # if defined(FEAT_GUI) && defined(FEAT_WINDOWS) 7138 old_curwin = curwin; 7139 7140 /* Currently the mouse coordinates are only known in the GUI. */ 7141 if (gui.in_use && mouse_row >= 0 && mouse_col >= 0) 7142 { 7143 int row, col; 7144 7145 row = mouse_row; 7146 col = mouse_col; 7147 7148 /* find the window at the pointer coordinates */ 7149 curwin = mouse_find_win(&row, &col); 7150 curbuf = curwin->w_buffer; 7151 } 7152 if (curwin == old_curwin) 7153 # endif 7154 undisplay_dollar(); 7155 7156 if (mod_mask & (MOD_MASK_SHIFT | MOD_MASK_CTRL)) 7157 scroll_redraw(up, (long)(curwin->w_botline - curwin->w_topline)); 7158 else 7159 scroll_redraw(up, 3L); 7160 7161 # if defined(FEAT_GUI) && defined(FEAT_WINDOWS) 7162 curwin->w_redr_status = TRUE; 7163 7164 curwin = old_curwin; 7165 curbuf = curwin->w_buffer; 7166 # endif 7167 7168 if (!equalpos(curwin->w_cursor, tpos)) 7169 { 7170 start_arrow(&tpos); 7171 # ifdef FEAT_CINDENT 7172 can_cindent = TRUE; 7173 # endif 7174 } 7175 } 7176 #endif 7177 7178 #ifdef FEAT_GUI 7179 void 7180 ins_scroll() 7181 { 7182 pos_T tpos; 7183 7184 undisplay_dollar(); 7185 tpos = curwin->w_cursor; 7186 if (gui_do_scroll()) 7187 { 7188 start_arrow(&tpos); 7189 # ifdef FEAT_CINDENT 7190 can_cindent = TRUE; 7191 # endif 7192 } 7193 } 7194 7195 void 7196 ins_horscroll() 7197 { 7198 pos_T tpos; 7199 7200 undisplay_dollar(); 7201 tpos = curwin->w_cursor; 7202 if (gui_do_horiz_scroll()) 7203 { 7204 start_arrow(&tpos); 7205 # ifdef FEAT_CINDENT 7206 can_cindent = TRUE; 7207 # endif 7208 } 7209 } 7210 #endif 7211 7212 static void 7213 ins_left() 7214 { 7215 pos_T tpos; 7216 7217 #ifdef FEAT_FOLDING 7218 if ((fdo_flags & FDO_HOR) && KeyTyped) 7219 foldOpenCursor(); 7220 #endif 7221 undisplay_dollar(); 7222 tpos = curwin->w_cursor; 7223 if (oneleft() == OK) 7224 { 7225 start_arrow(&tpos); 7226 #ifdef FEAT_RIGHTLEFT 7227 /* If exit reversed string, position is fixed */ 7228 if (revins_scol != -1 && (int)curwin->w_cursor.col >= revins_scol) 7229 revins_legal++; 7230 revins_chars++; 7231 #endif 7232 } 7233 7234 /* 7235 * if 'whichwrap' set for cursor in insert mode may go to 7236 * previous line 7237 */ 7238 else if (vim_strchr(p_ww, '[') != NULL && curwin->w_cursor.lnum > 1) 7239 { 7240 start_arrow(&tpos); 7241 --(curwin->w_cursor.lnum); 7242 coladvance((colnr_T)MAXCOL); 7243 curwin->w_set_curswant = TRUE; /* so we stay at the end */ 7244 } 7245 else 7246 vim_beep(); 7247 } 7248 7249 static void 7250 ins_home(c) 7251 int c; 7252 { 7253 pos_T tpos; 7254 7255 #ifdef FEAT_FOLDING 7256 if ((fdo_flags & FDO_HOR) && KeyTyped) 7257 foldOpenCursor(); 7258 #endif 7259 undisplay_dollar(); 7260 tpos = curwin->w_cursor; 7261 if (c == K_C_HOME) 7262 curwin->w_cursor.lnum = 1; 7263 curwin->w_cursor.col = 0; 7264 #ifdef FEAT_VIRTUALEDIT 7265 curwin->w_cursor.coladd = 0; 7266 #endif 7267 curwin->w_curswant = 0; 7268 start_arrow(&tpos); 7269 } 7270 7271 static void 7272 ins_end(c) 7273 int c; 7274 { 7275 pos_T tpos; 7276 7277 #ifdef FEAT_FOLDING 7278 if ((fdo_flags & FDO_HOR) && KeyTyped) 7279 foldOpenCursor(); 7280 #endif 7281 undisplay_dollar(); 7282 tpos = curwin->w_cursor; 7283 if (c == K_C_END) 7284 curwin->w_cursor.lnum = curbuf->b_ml.ml_line_count; 7285 coladvance((colnr_T)MAXCOL); 7286 curwin->w_curswant = MAXCOL; 7287 7288 start_arrow(&tpos); 7289 } 7290 7291 static void 7292 ins_s_left() 7293 { 7294 #ifdef FEAT_FOLDING 7295 if ((fdo_flags & FDO_HOR) && KeyTyped) 7296 foldOpenCursor(); 7297 #endif 7298 undisplay_dollar(); 7299 if (curwin->w_cursor.lnum > 1 || curwin->w_cursor.col > 0) 7300 { 7301 start_arrow(&curwin->w_cursor); 7302 (void)bck_word(1L, FALSE, FALSE); 7303 curwin->w_set_curswant = TRUE; 7304 } 7305 else 7306 vim_beep(); 7307 } 7308 7309 static void 7310 ins_right() 7311 { 7312 #ifdef FEAT_FOLDING 7313 if ((fdo_flags & FDO_HOR) && KeyTyped) 7314 foldOpenCursor(); 7315 #endif 7316 undisplay_dollar(); 7317 if (gchar_cursor() != NUL || virtual_active() 7318 ) 7319 { 7320 start_arrow(&curwin->w_cursor); 7321 curwin->w_set_curswant = TRUE; 7322 #ifdef FEAT_VIRTUALEDIT 7323 if (virtual_active()) 7324 oneright(); 7325 else 7326 #endif 7327 { 7328 #ifdef FEAT_MBYTE 7329 if (has_mbyte) 7330 curwin->w_cursor.col += (*mb_ptr2len)(ml_get_cursor()); 7331 else 7332 #endif 7333 ++curwin->w_cursor.col; 7334 } 7335 7336 #ifdef FEAT_RIGHTLEFT 7337 revins_legal++; 7338 if (revins_chars) 7339 revins_chars--; 7340 #endif 7341 } 7342 /* if 'whichwrap' set for cursor in insert mode, may move the 7343 * cursor to the next line */ 7344 else if (vim_strchr(p_ww, ']') != NULL 7345 && curwin->w_cursor.lnum < curbuf->b_ml.ml_line_count) 7346 { 7347 start_arrow(&curwin->w_cursor); 7348 curwin->w_set_curswant = TRUE; 7349 ++curwin->w_cursor.lnum; 7350 curwin->w_cursor.col = 0; 7351 } 7352 else 7353 vim_beep(); 7354 } 7355 7356 static void 7357 ins_s_right() 7358 { 7359 #ifdef FEAT_FOLDING 7360 if ((fdo_flags & FDO_HOR) && KeyTyped) 7361 foldOpenCursor(); 7362 #endif 7363 undisplay_dollar(); 7364 if (curwin->w_cursor.lnum < curbuf->b_ml.ml_line_count 7365 || gchar_cursor() != NUL) 7366 { 7367 start_arrow(&curwin->w_cursor); 7368 (void)fwd_word(1L, FALSE, 0); 7369 curwin->w_set_curswant = TRUE; 7370 } 7371 else 7372 vim_beep(); 7373 } 7374 7375 static void 7376 ins_up(startcol) 7377 int startcol; /* when TRUE move to Insstart.col */ 7378 { 7379 pos_T tpos; 7380 linenr_T old_topline = curwin->w_topline; 7381 #ifdef FEAT_DIFF 7382 int old_topfill = curwin->w_topfill; 7383 #endif 7384 7385 undisplay_dollar(); 7386 tpos = curwin->w_cursor; 7387 if (cursor_up(1L, TRUE) == OK) 7388 { 7389 if (startcol) 7390 coladvance(getvcol_nolist(&Insstart)); 7391 if (old_topline != curwin->w_topline 7392 #ifdef FEAT_DIFF 7393 || old_topfill != curwin->w_topfill 7394 #endif 7395 ) 7396 redraw_later(VALID); 7397 start_arrow(&tpos); 7398 #ifdef FEAT_CINDENT 7399 can_cindent = TRUE; 7400 #endif 7401 } 7402 else 7403 vim_beep(); 7404 } 7405 7406 static void 7407 ins_pageup() 7408 { 7409 pos_T tpos; 7410 7411 undisplay_dollar(); 7412 tpos = curwin->w_cursor; 7413 if (onepage(BACKWARD, 1L) == OK) 7414 { 7415 start_arrow(&tpos); 7416 #ifdef FEAT_CINDENT 7417 can_cindent = TRUE; 7418 #endif 7419 } 7420 else 7421 vim_beep(); 7422 } 7423 7424 static void 7425 ins_down(startcol) 7426 int startcol; /* when TRUE move to Insstart.col */ 7427 { 7428 pos_T tpos; 7429 linenr_T old_topline = curwin->w_topline; 7430 #ifdef FEAT_DIFF 7431 int old_topfill = curwin->w_topfill; 7432 #endif 7433 7434 undisplay_dollar(); 7435 tpos = curwin->w_cursor; 7436 if (cursor_down(1L, TRUE) == OK) 7437 { 7438 if (startcol) 7439 coladvance(getvcol_nolist(&Insstart)); 7440 if (old_topline != curwin->w_topline 7441 #ifdef FEAT_DIFF 7442 || old_topfill != curwin->w_topfill 7443 #endif 7444 ) 7445 redraw_later(VALID); 7446 start_arrow(&tpos); 7447 #ifdef FEAT_CINDENT 7448 can_cindent = TRUE; 7449 #endif 7450 } 7451 else 7452 vim_beep(); 7453 } 7454 7455 static void 7456 ins_pagedown() 7457 { 7458 pos_T tpos; 7459 7460 undisplay_dollar(); 7461 tpos = curwin->w_cursor; 7462 if (onepage(FORWARD, 1L) == OK) 7463 { 7464 start_arrow(&tpos); 7465 #ifdef FEAT_CINDENT 7466 can_cindent = TRUE; 7467 #endif 7468 } 7469 else 7470 vim_beep(); 7471 } 7472 7473 #ifdef FEAT_DND 7474 static void 7475 ins_drop() 7476 { 7477 do_put('~', BACKWARD, 1L, PUT_CURSEND); 7478 } 7479 #endif 7480 7481 /* 7482 * Handle TAB in Insert or Replace mode. 7483 * Return TRUE when the TAB needs to be inserted like a normal character. 7484 */ 7485 static int 7486 ins_tab() 7487 { 7488 int ind; 7489 int i; 7490 int temp; 7491 7492 if (Insstart_blank_vcol == MAXCOL && curwin->w_cursor.lnum == Insstart.lnum) 7493 Insstart_blank_vcol = get_nolist_virtcol(); 7494 if (echeck_abbr(TAB + ABBR_OFF)) 7495 return FALSE; 7496 7497 ind = inindent(0); 7498 #ifdef FEAT_CINDENT 7499 if (ind) 7500 can_cindent = FALSE; 7501 #endif 7502 7503 /* 7504 * When nothing special, insert TAB like a normal character 7505 */ 7506 if (!curbuf->b_p_et 7507 && !(p_sta && ind && curbuf->b_p_ts != curbuf->b_p_sw) 7508 && curbuf->b_p_sts == 0) 7509 return TRUE; 7510 7511 if (stop_arrow() == FAIL) 7512 return TRUE; 7513 7514 did_ai = FALSE; 7515 #ifdef FEAT_SMARTINDENT 7516 did_si = FALSE; 7517 can_si = FALSE; 7518 can_si_back = FALSE; 7519 #endif 7520 AppendToRedobuff((char_u *)"\t"); 7521 7522 if (p_sta && ind) /* insert tab in indent, use 'shiftwidth' */ 7523 temp = (int)curbuf->b_p_sw; 7524 else if (curbuf->b_p_sts > 0) /* use 'softtabstop' when set */ 7525 temp = (int)curbuf->b_p_sts; 7526 else /* otherwise use 'tabstop' */ 7527 temp = (int)curbuf->b_p_ts; 7528 temp -= get_nolist_virtcol() % temp; 7529 7530 /* 7531 * Insert the first space with ins_char(). It will delete one char in 7532 * replace mode. Insert the rest with ins_str(); it will not delete any 7533 * chars. For VREPLACE mode, we use ins_char() for all characters. 7534 */ 7535 ins_char(' '); 7536 while (--temp > 0) 7537 { 7538 #ifdef FEAT_VREPLACE 7539 if (State & VREPLACE_FLAG) 7540 ins_char(' '); 7541 else 7542 #endif 7543 { 7544 ins_str((char_u *)" "); 7545 if (State & REPLACE_FLAG) /* no char replaced */ 7546 replace_push(NUL); 7547 } 7548 } 7549 7550 /* 7551 * When 'expandtab' not set: Replace spaces by TABs where possible. 7552 */ 7553 if (!curbuf->b_p_et && (curbuf->b_p_sts || (p_sta && ind))) 7554 { 7555 char_u *ptr; 7556 #ifdef FEAT_VREPLACE 7557 char_u *saved_line = NULL; /* init for GCC */ 7558 pos_T pos; 7559 #endif 7560 pos_T fpos; 7561 pos_T *cursor; 7562 colnr_T want_vcol, vcol; 7563 int change_col = -1; 7564 int save_list = curwin->w_p_list; 7565 7566 /* 7567 * Get the current line. For VREPLACE mode, don't make real changes 7568 * yet, just work on a copy of the line. 7569 */ 7570 #ifdef FEAT_VREPLACE 7571 if (State & VREPLACE_FLAG) 7572 { 7573 pos = curwin->w_cursor; 7574 cursor = &pos; 7575 saved_line = vim_strsave(ml_get_curline()); 7576 if (saved_line == NULL) 7577 return FALSE; 7578 ptr = saved_line + pos.col; 7579 } 7580 else 7581 #endif 7582 { 7583 ptr = ml_get_cursor(); 7584 cursor = &curwin->w_cursor; 7585 } 7586 7587 /* When 'L' is not in 'cpoptions' a tab always takes up 'ts' spaces. */ 7588 if (vim_strchr(p_cpo, CPO_LISTWM) == NULL) 7589 curwin->w_p_list = FALSE; 7590 7591 /* Find first white before the cursor */ 7592 fpos = curwin->w_cursor; 7593 while (fpos.col > 0 && vim_iswhite(ptr[-1])) 7594 { 7595 --fpos.col; 7596 --ptr; 7597 } 7598 7599 /* In Replace mode, don't change characters before the insert point. */ 7600 if ((State & REPLACE_FLAG) 7601 && fpos.lnum == Insstart.lnum 7602 && fpos.col < Insstart.col) 7603 { 7604 ptr += Insstart.col - fpos.col; 7605 fpos.col = Insstart.col; 7606 } 7607 7608 /* compute virtual column numbers of first white and cursor */ 7609 getvcol(curwin, &fpos, &vcol, NULL, NULL); 7610 getvcol(curwin, cursor, &want_vcol, NULL, NULL); 7611 7612 /* Use as many TABs as possible. Beware of 'showbreak' and 7613 * 'linebreak' adding extra virtual columns. */ 7614 while (vim_iswhite(*ptr)) 7615 { 7616 i = lbr_chartabsize((char_u *)"\t", vcol); 7617 if (vcol + i > want_vcol) 7618 break; 7619 if (*ptr != TAB) 7620 { 7621 *ptr = TAB; 7622 if (change_col < 0) 7623 { 7624 change_col = fpos.col; /* Column of first change */ 7625 /* May have to adjust Insstart */ 7626 if (fpos.lnum == Insstart.lnum && fpos.col < Insstart.col) 7627 Insstart.col = fpos.col; 7628 } 7629 } 7630 ++fpos.col; 7631 ++ptr; 7632 vcol += i; 7633 } 7634 7635 if (change_col >= 0) 7636 { 7637 int repl_off = 0; 7638 7639 /* Skip over the spaces we need. */ 7640 while (vcol < want_vcol && *ptr == ' ') 7641 { 7642 vcol += lbr_chartabsize(ptr, vcol); 7643 ++ptr; 7644 ++repl_off; 7645 } 7646 if (vcol > want_vcol) 7647 { 7648 /* Must have a char with 'showbreak' just before it. */ 7649 --ptr; 7650 --repl_off; 7651 } 7652 fpos.col += repl_off; 7653 7654 /* Delete following spaces. */ 7655 i = cursor->col - fpos.col; 7656 if (i > 0) 7657 { 7658 mch_memmove(ptr, ptr + i, STRLEN(ptr + i) + 1); 7659 /* correct replace stack. */ 7660 if ((State & REPLACE_FLAG) 7661 #ifdef FEAT_VREPLACE 7662 && !(State & VREPLACE_FLAG) 7663 #endif 7664 ) 7665 for (temp = i; --temp >= 0; ) 7666 replace_join(repl_off); 7667 } 7668 #ifdef FEAT_NETBEANS_INTG 7669 if (usingNetbeans) 7670 { 7671 netbeans_removed(curbuf, fpos.lnum, cursor->col, 7672 (long)(i + 1)); 7673 netbeans_inserted(curbuf, fpos.lnum, cursor->col, 7674 (char_u *)"\t", 1); 7675 } 7676 #endif 7677 cursor->col -= i; 7678 7679 #ifdef FEAT_VREPLACE 7680 /* 7681 * In VREPLACE mode, we haven't changed anything yet. Do it now by 7682 * backspacing over the changed spacing and then inserting the new 7683 * spacing. 7684 */ 7685 if (State & VREPLACE_FLAG) 7686 { 7687 /* Backspace from real cursor to change_col */ 7688 backspace_until_column(change_col); 7689 7690 /* Insert each char in saved_line from changed_col to 7691 * ptr-cursor */ 7692 ins_bytes_len(saved_line + change_col, 7693 cursor->col - change_col); 7694 } 7695 #endif 7696 } 7697 7698 #ifdef FEAT_VREPLACE 7699 if (State & VREPLACE_FLAG) 7700 vim_free(saved_line); 7701 #endif 7702 curwin->w_p_list = save_list; 7703 } 7704 7705 return FALSE; 7706 } 7707 7708 /* 7709 * Handle CR or NL in insert mode. 7710 * Return TRUE when out of memory or can't undo. 7711 */ 7712 static int 7713 ins_eol(c) 7714 int c; 7715 { 7716 int i; 7717 7718 if (echeck_abbr(c + ABBR_OFF)) 7719 return FALSE; 7720 if (stop_arrow() == FAIL) 7721 return TRUE; 7722 undisplay_dollar(); 7723 7724 /* 7725 * Strange Vi behaviour: In Replace mode, typing a NL will not delete the 7726 * character under the cursor. Only push a NUL on the replace stack, 7727 * nothing to put back when the NL is deleted. 7728 */ 7729 if ((State & REPLACE_FLAG) 7730 #ifdef FEAT_VREPLACE 7731 && !(State & VREPLACE_FLAG) 7732 #endif 7733 ) 7734 replace_push(NUL); 7735 7736 /* 7737 * In VREPLACE mode, a NL replaces the rest of the line, and starts 7738 * replacing the next line, so we push all of the characters left on the 7739 * line onto the replace stack. This is not done here though, it is done 7740 * in open_line(). 7741 */ 7742 7743 #ifdef FEAT_RIGHTLEFT 7744 # ifdef FEAT_FKMAP 7745 if (p_altkeymap && p_fkmap) 7746 fkmap(NL); 7747 # endif 7748 /* NL in reverse insert will always start in the end of 7749 * current line. */ 7750 if (revins_on) 7751 curwin->w_cursor.col += (colnr_T)STRLEN(ml_get_cursor()); 7752 #endif 7753 7754 AppendToRedobuff(NL_STR); 7755 i = open_line(FORWARD, 7756 #ifdef FEAT_COMMENTS 7757 has_format_option(FO_RET_COMS) ? OPENLINE_DO_COM : 7758 #endif 7759 0, old_indent); 7760 old_indent = 0; 7761 #ifdef FEAT_CINDENT 7762 can_cindent = TRUE; 7763 #endif 7764 7765 return (!i); 7766 } 7767 7768 #ifdef FEAT_DIGRAPHS 7769 /* 7770 * Handle digraph in insert mode. 7771 * Returns character still to be inserted, or NUL when nothing remaining to be 7772 * done. 7773 */ 7774 static int 7775 ins_digraph() 7776 { 7777 int c; 7778 int cc; 7779 7780 pc_status = PC_STATUS_UNSET; 7781 if (redrawing() && !char_avail()) 7782 { 7783 /* may need to redraw when no more chars available now */ 7784 ins_redraw(); 7785 7786 edit_putchar('?', TRUE); 7787 #ifdef FEAT_CMDL_INFO 7788 add_to_showcmd_c(Ctrl_K); 7789 #endif 7790 } 7791 7792 #ifdef USE_ON_FLY_SCROLL 7793 dont_scroll = TRUE; /* disallow scrolling here */ 7794 #endif 7795 7796 /* don't map the digraph chars. This also prevents the 7797 * mode message to be deleted when ESC is hit */ 7798 ++no_mapping; 7799 ++allow_keys; 7800 c = safe_vgetc(); 7801 --no_mapping; 7802 --allow_keys; 7803 if (IS_SPECIAL(c) || mod_mask) /* special key */ 7804 { 7805 #ifdef FEAT_CMDL_INFO 7806 clear_showcmd(); 7807 #endif 7808 insert_special(c, TRUE, FALSE); 7809 return NUL; 7810 } 7811 if (c != ESC) 7812 { 7813 if (redrawing() && !char_avail()) 7814 { 7815 /* may need to redraw when no more chars available now */ 7816 ins_redraw(); 7817 7818 if (char2cells(c) == 1) 7819 { 7820 /* first remove the '?', otherwise it's restored when typing 7821 * an ESC next */ 7822 edit_unputchar(); 7823 ins_redraw(); 7824 edit_putchar(c, TRUE); 7825 } 7826 #ifdef FEAT_CMDL_INFO 7827 add_to_showcmd_c(c); 7828 #endif 7829 } 7830 ++no_mapping; 7831 ++allow_keys; 7832 cc = safe_vgetc(); 7833 --no_mapping; 7834 --allow_keys; 7835 if (cc != ESC) 7836 { 7837 AppendToRedobuff((char_u *)CTRL_V_STR); 7838 c = getdigraph(c, cc, TRUE); 7839 #ifdef FEAT_CMDL_INFO 7840 clear_showcmd(); 7841 #endif 7842 return c; 7843 } 7844 } 7845 edit_unputchar(); 7846 #ifdef FEAT_CMDL_INFO 7847 clear_showcmd(); 7848 #endif 7849 return NUL; 7850 } 7851 #endif 7852 7853 /* 7854 * Handle CTRL-E and CTRL-Y in Insert mode: copy char from other line. 7855 * Returns the char to be inserted, or NUL if none found. 7856 */ 7857 static int 7858 ins_copychar(lnum) 7859 linenr_T lnum; 7860 { 7861 int c; 7862 int temp; 7863 char_u *ptr, *prev_ptr; 7864 7865 if (lnum < 1 || lnum > curbuf->b_ml.ml_line_count) 7866 { 7867 vim_beep(); 7868 return NUL; 7869 } 7870 7871 /* try to advance to the cursor column */ 7872 temp = 0; 7873 ptr = ml_get(lnum); 7874 prev_ptr = ptr; 7875 validate_virtcol(); 7876 while ((colnr_T)temp < curwin->w_virtcol && *ptr != NUL) 7877 { 7878 prev_ptr = ptr; 7879 temp += lbr_chartabsize_adv(&ptr, (colnr_T)temp); 7880 } 7881 if ((colnr_T)temp > curwin->w_virtcol) 7882 ptr = prev_ptr; 7883 7884 #ifdef FEAT_MBYTE 7885 c = (*mb_ptr2char)(ptr); 7886 #else 7887 c = *ptr; 7888 #endif 7889 if (c == NUL) 7890 vim_beep(); 7891 return c; 7892 } 7893 7894 /* 7895 * CTRL-Y or CTRL-E typed in Insert mode. 7896 */ 7897 static int 7898 ins_ctrl_ey(tc) 7899 int tc; 7900 { 7901 int c = tc; 7902 7903 #ifdef FEAT_INS_EXPAND 7904 if (ctrl_x_mode == CTRL_X_SCROLL) 7905 { 7906 if (c == Ctrl_Y) 7907 scrolldown_clamp(); 7908 else 7909 scrollup_clamp(); 7910 redraw_later(VALID); 7911 } 7912 else 7913 #endif 7914 { 7915 c = ins_copychar(curwin->w_cursor.lnum + (c == Ctrl_Y ? -1 : 1)); 7916 if (c != NUL) 7917 { 7918 long tw_save; 7919 7920 /* The character must be taken literally, insert like it 7921 * was typed after a CTRL-V, and pretend 'textwidth' 7922 * wasn't set. Digits, 'o' and 'x' are special after a 7923 * CTRL-V, don't use it for these. */ 7924 if (c < 256 && !isalnum(c)) 7925 AppendToRedobuff((char_u *)CTRL_V_STR); /* CTRL-V */ 7926 tw_save = curbuf->b_p_tw; 7927 curbuf->b_p_tw = -1; 7928 insert_special(c, TRUE, FALSE); 7929 curbuf->b_p_tw = tw_save; 7930 #ifdef FEAT_RIGHTLEFT 7931 revins_chars++; 7932 revins_legal++; 7933 #endif 7934 c = Ctrl_V; /* pretend CTRL-V is last character */ 7935 auto_format(FALSE, TRUE); 7936 } 7937 } 7938 return c; 7939 } 7940 7941 #ifdef FEAT_SMARTINDENT 7942 /* 7943 * Try to do some very smart auto-indenting. 7944 * Used when inserting a "normal" character. 7945 */ 7946 static void 7947 ins_try_si(c) 7948 int c; 7949 { 7950 pos_T *pos, old_pos; 7951 char_u *ptr; 7952 int i; 7953 int temp; 7954 7955 /* 7956 * do some very smart indenting when entering '{' or '}' 7957 */ 7958 if (((did_si || can_si_back) && c == '{') || (can_si && c == '}')) 7959 { 7960 /* 7961 * for '}' set indent equal to indent of line containing matching '{' 7962 */ 7963 if (c == '}' && (pos = findmatch(NULL, '{')) != NULL) 7964 { 7965 old_pos = curwin->w_cursor; 7966 /* 7967 * If the matching '{' has a ')' immediately before it (ignoring 7968 * white-space), then line up with the start of the line 7969 * containing the matching '(' if there is one. This handles the 7970 * case where an "if (..\n..) {" statement continues over multiple 7971 * lines -- webb 7972 */ 7973 ptr = ml_get(pos->lnum); 7974 i = pos->col; 7975 if (i > 0) /* skip blanks before '{' */ 7976 while (--i > 0 && vim_iswhite(ptr[i])) 7977 ; 7978 curwin->w_cursor.lnum = pos->lnum; 7979 curwin->w_cursor.col = i; 7980 if (ptr[i] == ')' && (pos = findmatch(NULL, '(')) != NULL) 7981 curwin->w_cursor = *pos; 7982 i = get_indent(); 7983 curwin->w_cursor = old_pos; 7984 #ifdef FEAT_VREPLACE 7985 if (State & VREPLACE_FLAG) 7986 change_indent(INDENT_SET, i, FALSE, NUL); 7987 else 7988 #endif 7989 (void)set_indent(i, SIN_CHANGED); 7990 } 7991 else if (curwin->w_cursor.col > 0) 7992 { 7993 /* 7994 * when inserting '{' after "O" reduce indent, but not 7995 * more than indent of previous line 7996 */ 7997 temp = TRUE; 7998 if (c == '{' && can_si_back && curwin->w_cursor.lnum > 1) 7999 { 8000 old_pos = curwin->w_cursor; 8001 i = get_indent(); 8002 while (curwin->w_cursor.lnum > 1) 8003 { 8004 ptr = skipwhite(ml_get(--(curwin->w_cursor.lnum))); 8005 8006 /* ignore empty lines and lines starting with '#'. */ 8007 if (*ptr != '#' && *ptr != NUL) 8008 break; 8009 } 8010 if (get_indent() >= i) 8011 temp = FALSE; 8012 curwin->w_cursor = old_pos; 8013 } 8014 if (temp) 8015 shift_line(TRUE, FALSE, 1); 8016 } 8017 } 8018 8019 /* 8020 * set indent of '#' always to 0 8021 */ 8022 if (curwin->w_cursor.col > 0 && can_si && c == '#') 8023 { 8024 /* remember current indent for next line */ 8025 old_indent = get_indent(); 8026 (void)set_indent(0, SIN_CHANGED); 8027 } 8028 8029 /* Adjust ai_col, the char at this position can be deleted. */ 8030 if (ai_col > curwin->w_cursor.col) 8031 ai_col = curwin->w_cursor.col; 8032 } 8033 #endif 8034 8035 /* 8036 * Get the value that w_virtcol would have when 'list' is off. 8037 * Unless 'cpo' contains the 'L' flag. 8038 */ 8039 static colnr_T 8040 get_nolist_virtcol() 8041 { 8042 if (curwin->w_p_list && vim_strchr(p_cpo, CPO_LISTWM) == NULL) 8043 return getvcol_nolist(&curwin->w_cursor); 8044 validate_virtcol(); 8045 return curwin->w_virtcol; 8046 } 8047