Mercurial > vim
view src/edit.c @ 1923:3eb34a777f49 v7.2.220
updated for version 7.2-220
author | vimboss |
---|---|
date | Wed, 01 Jul 2009 15:13:56 +0000 |
parents | 04613e770ec0 |
children | f798c9043986 |
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/* vi:set ts=8 sts=4 sw=4: * * VIM - Vi IMproved by Bram Moolenaar * * Do ":help uganda" in Vim to read copying and usage conditions. * Do ":help credits" in Vim to see a list of people who contributed. * See README.txt for an overview of the Vim source code. */ /* * edit.c: functions for Insert mode */ #include "vim.h" #ifdef FEAT_INS_EXPAND /* * definitions used for CTRL-X submode */ #define CTRL_X_WANT_IDENT 0x100 #define CTRL_X_NOT_DEFINED_YET 1 #define CTRL_X_SCROLL 2 #define CTRL_X_WHOLE_LINE 3 #define CTRL_X_FILES 4 #define CTRL_X_TAGS (5 + CTRL_X_WANT_IDENT) #define CTRL_X_PATH_PATTERNS (6 + CTRL_X_WANT_IDENT) #define CTRL_X_PATH_DEFINES (7 + CTRL_X_WANT_IDENT) #define CTRL_X_FINISHED 8 #define CTRL_X_DICTIONARY (9 + CTRL_X_WANT_IDENT) #define CTRL_X_THESAURUS (10 + CTRL_X_WANT_IDENT) #define CTRL_X_CMDLINE 11 #define CTRL_X_FUNCTION 12 #define CTRL_X_OMNI 13 #define CTRL_X_SPELL 14 #define CTRL_X_LOCAL_MSG 15 /* only used in "ctrl_x_msgs" */ #define CTRL_X_MSG(i) ctrl_x_msgs[(i) & ~CTRL_X_WANT_IDENT] static char *ctrl_x_msgs[] = { N_(" Keyword completion (^N^P)"), /* ctrl_x_mode == 0, ^P/^N compl. */ N_(" ^X mode (^]^D^E^F^I^K^L^N^O^Ps^U^V^Y)"), NULL, N_(" Whole line completion (^L^N^P)"), N_(" File name completion (^F^N^P)"), N_(" Tag completion (^]^N^P)"), N_(" Path pattern completion (^N^P)"), N_(" Definition completion (^D^N^P)"), NULL, N_(" Dictionary completion (^K^N^P)"), N_(" Thesaurus completion (^T^N^P)"), N_(" Command-line completion (^V^N^P)"), N_(" User defined completion (^U^N^P)"), N_(" Omni completion (^O^N^P)"), N_(" Spelling suggestion (s^N^P)"), N_(" Keyword Local completion (^N^P)"), }; static char e_hitend[] = N_("Hit end of paragraph"); /* * Structure used to store one match for insert completion. */ typedef struct compl_S compl_T; struct compl_S { compl_T *cp_next; compl_T *cp_prev; char_u *cp_str; /* matched text */ char cp_icase; /* TRUE or FALSE: ignore case */ char_u *(cp_text[CPT_COUNT]); /* text for the menu */ char_u *cp_fname; /* file containing the match, allocated when * cp_flags has FREE_FNAME */ int cp_flags; /* ORIGINAL_TEXT, CONT_S_IPOS or FREE_FNAME */ int cp_number; /* sequence number */ }; #define ORIGINAL_TEXT (1) /* the original text when the expansion begun */ #define FREE_FNAME (2) /* * All the current matches are stored in a list. * "compl_first_match" points to the start of the list. * "compl_curr_match" points to the currently selected entry. * "compl_shown_match" is different from compl_curr_match during * ins_compl_get_exp(). */ static compl_T *compl_first_match = NULL; static compl_T *compl_curr_match = NULL; static compl_T *compl_shown_match = NULL; /* After using a cursor key <Enter> selects a match in the popup menu, * otherwise it inserts a line break. */ static int compl_enter_selects = FALSE; /* When "compl_leader" is not NULL only matches that start with this string * are used. */ static char_u *compl_leader = NULL; static int compl_get_longest = FALSE; /* put longest common string in compl_leader */ static int compl_used_match; /* Selected one of the matches. When FALSE the match was edited or using the longest common string. */ static int compl_was_interrupted = FALSE; /* didn't finish finding completions. */ static int compl_restarting = FALSE; /* don't insert match */ /* When the first completion is done "compl_started" is set. When it's * FALSE the word to be completed must be located. */ static int compl_started = FALSE; static int compl_matches = 0; static char_u *compl_pattern = NULL; static int compl_direction = FORWARD; static int compl_shows_dir = FORWARD; static int compl_pending = 0; /* > 1 for postponed CTRL-N */ static pos_T compl_startpos; static colnr_T compl_col = 0; /* column where the text starts * that is being completed */ static char_u *compl_orig_text = NULL; /* text as it was before * completion started */ static int compl_cont_mode = 0; static expand_T compl_xp; static void ins_ctrl_x __ARGS((void)); static int has_compl_option __ARGS((int dict_opt)); static int ins_compl_accept_char __ARGS((int c)); static int ins_compl_add __ARGS((char_u *str, int len, int icase, char_u *fname, char_u **cptext, int cdir, int flags, int adup)); static int ins_compl_equal __ARGS((compl_T *match, char_u *str, int len)); static void ins_compl_longest_match __ARGS((compl_T *match)); static void ins_compl_add_matches __ARGS((int num_matches, char_u **matches, int icase)); static int ins_compl_make_cyclic __ARGS((void)); static void ins_compl_upd_pum __ARGS((void)); static void ins_compl_del_pum __ARGS((void)); static int pum_wanted __ARGS((void)); static int pum_enough_matches __ARGS((void)); static void ins_compl_dictionaries __ARGS((char_u *dict, char_u *pat, int flags, int thesaurus)); static void ins_compl_files __ARGS((int count, char_u **files, int thesaurus, int flags, regmatch_T *regmatch, char_u *buf, int *dir)); static char_u *find_line_end __ARGS((char_u *ptr)); static void ins_compl_free __ARGS((void)); static void ins_compl_clear __ARGS((void)); static int ins_compl_bs __ARGS((void)); static void ins_compl_new_leader __ARGS((void)); static void ins_compl_addleader __ARGS((int c)); static int ins_compl_len __ARGS((void)); static void ins_compl_restart __ARGS((void)); static void ins_compl_set_original_text __ARGS((char_u *str)); static void ins_compl_addfrommatch __ARGS((void)); static int ins_compl_prep __ARGS((int c)); static buf_T *ins_compl_next_buf __ARGS((buf_T *buf, int flag)); #if defined(FEAT_COMPL_FUNC) || defined(FEAT_EVAL) static void ins_compl_add_list __ARGS((list_T *list)); #endif static int ins_compl_get_exp __ARGS((pos_T *ini)); static void ins_compl_delete __ARGS((void)); static void ins_compl_insert __ARGS((void)); static int ins_compl_next __ARGS((int allow_get_expansion, int count, int insert_match)); static int ins_compl_key2dir __ARGS((int c)); static int ins_compl_pum_key __ARGS((int c)); static int ins_compl_key2count __ARGS((int c)); static int ins_compl_use_match __ARGS((int c)); static int ins_complete __ARGS((int c)); static unsigned quote_meta __ARGS((char_u *dest, char_u *str, int len)); #endif /* FEAT_INS_EXPAND */ #define BACKSPACE_CHAR 1 #define BACKSPACE_WORD 2 #define BACKSPACE_WORD_NOT_SPACE 3 #define BACKSPACE_LINE 4 static void ins_redraw __ARGS((int ready)); static void ins_ctrl_v __ARGS((void)); static void undisplay_dollar __ARGS((void)); static void insert_special __ARGS((int, int, int)); static void internal_format __ARGS((int textwidth, int second_indent, int flags, int format_only)); static void check_auto_format __ARGS((int)); static void redo_literal __ARGS((int c)); static void start_arrow __ARGS((pos_T *end_insert_pos)); #ifdef FEAT_SPELL static void check_spell_redraw __ARGS((void)); static void spell_back_to_badword __ARGS((void)); static int spell_bad_len = 0; /* length of located bad word */ #endif static void stop_insert __ARGS((pos_T *end_insert_pos, int esc)); static int echeck_abbr __ARGS((int)); #if 0 static void replace_push_off __ARGS((int c)); #endif static int replace_pop __ARGS((void)); static void replace_join __ARGS((int off)); static void replace_pop_ins __ARGS((void)); #ifdef FEAT_MBYTE static void mb_replace_pop_ins __ARGS((int cc)); #endif static void replace_flush __ARGS((void)); static void replace_do_bs __ARGS((int limit_col)); static int del_char_after_col __ARGS((int limit_col)); #ifdef FEAT_CINDENT static int cindent_on __ARGS((void)); #endif static void ins_reg __ARGS((void)); static void ins_ctrl_g __ARGS((void)); static void ins_ctrl_hat __ARGS((void)); static int ins_esc __ARGS((long *count, int cmdchar, int nomove)); #ifdef FEAT_RIGHTLEFT static void ins_ctrl_ __ARGS((void)); #endif #ifdef FEAT_VISUAL static int ins_start_select __ARGS((int c)); #endif static void ins_insert __ARGS((int replaceState)); static void ins_ctrl_o __ARGS((void)); static void ins_shift __ARGS((int c, int lastc)); static void ins_del __ARGS((void)); static int ins_bs __ARGS((int c, int mode, int *inserted_space_p)); #ifdef FEAT_MOUSE static void ins_mouse __ARGS((int c)); static void ins_mousescroll __ARGS((int up)); #endif #if defined(FEAT_GUI_TABLINE) || defined(PROTO) static void ins_tabline __ARGS((int c)); #endif static void ins_left __ARGS((void)); static void ins_home __ARGS((int c)); static void ins_end __ARGS((int c)); static void ins_s_left __ARGS((void)); static void ins_right __ARGS((void)); static void ins_s_right __ARGS((void)); static void ins_up __ARGS((int startcol)); static void ins_pageup __ARGS((void)); static void ins_down __ARGS((int startcol)); static void ins_pagedown __ARGS((void)); #ifdef FEAT_DND static void ins_drop __ARGS((void)); #endif static int ins_tab __ARGS((void)); static int ins_eol __ARGS((int c)); #ifdef FEAT_DIGRAPHS static int ins_digraph __ARGS((void)); #endif static int ins_copychar __ARGS((linenr_T lnum)); static int ins_ctrl_ey __ARGS((int tc)); #ifdef FEAT_SMARTINDENT static void ins_try_si __ARGS((int c)); #endif static colnr_T get_nolist_virtcol __ARGS((void)); static colnr_T Insstart_textlen; /* length of line when insert started */ static colnr_T Insstart_blank_vcol; /* vcol for first inserted blank */ static char_u *last_insert = NULL; /* the text of the previous insert, K_SPECIAL and CSI are escaped */ static int last_insert_skip; /* nr of chars in front of previous insert */ static int new_insert_skip; /* nr of chars in front of current insert */ static int did_restart_edit; /* "restart_edit" when calling edit() */ #ifdef FEAT_CINDENT static int can_cindent; /* may do cindenting on this line */ #endif static int old_indent = 0; /* for ^^D command in insert mode */ #ifdef FEAT_RIGHTLEFT static int revins_on; /* reverse insert mode on */ static int revins_chars; /* how much to skip after edit */ static int revins_legal; /* was the last char 'legal'? */ static int revins_scol; /* start column of revins session */ #endif static int ins_need_undo; /* call u_save() before inserting a char. Set when edit() is called. after that arrow_used is used. */ static int did_add_space = FALSE; /* auto_format() added an extra space under the cursor */ /* * edit(): Start inserting text. * * "cmdchar" can be: * 'i' normal insert command * 'a' normal append command * 'R' replace command * 'r' "r<CR>" command: insert one <CR>. Note: count can be > 1, for redo, * but still only one <CR> is inserted. The <Esc> is not used for redo. * 'g' "gI" command. * 'V' "gR" command for Virtual Replace mode. * 'v' "gr" command for single character Virtual Replace mode. * * This function is not called recursively. For CTRL-O commands, it returns * and lets the caller handle the Normal-mode command. * * Return TRUE if a CTRL-O command caused the return (insert mode pending). */ int edit(cmdchar, startln, count) int cmdchar; int startln; /* if set, insert at start of line */ long count; { int c = 0; char_u *ptr; int lastc; int mincol; static linenr_T o_lnum = 0; int i; int did_backspace = TRUE; /* previous char was backspace */ #ifdef FEAT_CINDENT int line_is_white = FALSE; /* line is empty before insert */ #endif linenr_T old_topline = 0; /* topline before insertion */ #ifdef FEAT_DIFF int old_topfill = -1; #endif int inserted_space = FALSE; /* just inserted a space */ int replaceState = REPLACE; int nomove = FALSE; /* don't move cursor on return */ /* Remember whether editing was restarted after CTRL-O. */ did_restart_edit = restart_edit; /* sleep before redrawing, needed for "CTRL-O :" that results in an * error message */ check_for_delay(TRUE); #ifdef HAVE_SANDBOX /* Don't allow inserting in the sandbox. */ if (sandbox != 0) { EMSG(_(e_sandbox)); return FALSE; } #endif /* Don't allow changes in the buffer while editing the cmdline. The * caller of getcmdline() may get confused. */ if (textlock != 0) { EMSG(_(e_secure)); return FALSE; } #ifdef FEAT_INS_EXPAND /* Don't allow recursive insert mode when busy with completion. */ if (compl_started || pum_visible()) { EMSG(_(e_secure)); return FALSE; } ins_compl_clear(); /* clear stuff for CTRL-X mode */ #endif #ifdef FEAT_AUTOCMD /* * Trigger InsertEnter autocommands. Do not do this for "r<CR>" or "grx". */ if (cmdchar != 'r' && cmdchar != 'v') { # ifdef FEAT_EVAL if (cmdchar == 'R') ptr = (char_u *)"r"; else if (cmdchar == 'V') ptr = (char_u *)"v"; else ptr = (char_u *)"i"; set_vim_var_string(VV_INSERTMODE, ptr, 1); # endif apply_autocmds(EVENT_INSERTENTER, NULL, NULL, FALSE, curbuf); } #endif #ifdef FEAT_MOUSE /* * When doing a paste with the middle mouse button, Insstart is set to * where the paste started. */ if (where_paste_started.lnum != 0) Insstart = where_paste_started; else #endif { Insstart = curwin->w_cursor; if (startln) Insstart.col = 0; } Insstart_textlen = (colnr_T)linetabsize(ml_get_curline()); Insstart_blank_vcol = MAXCOL; if (!did_ai) ai_col = 0; if (cmdchar != NUL && restart_edit == 0) { ResetRedobuff(); AppendNumberToRedobuff(count); #ifdef FEAT_VREPLACE if (cmdchar == 'V' || cmdchar == 'v') { /* "gR" or "gr" command */ AppendCharToRedobuff('g'); AppendCharToRedobuff((cmdchar == 'v') ? 'r' : 'R'); } else #endif { AppendCharToRedobuff(cmdchar); if (cmdchar == 'g') /* "gI" command */ AppendCharToRedobuff('I'); else if (cmdchar == 'r') /* "r<CR>" command */ count = 1; /* insert only one <CR> */ } } if (cmdchar == 'R') { #ifdef FEAT_FKMAP if (p_fkmap && p_ri) { beep_flush(); EMSG(farsi_text_3); /* encoded in Farsi */ State = INSERT; } else #endif State = REPLACE; } #ifdef FEAT_VREPLACE else if (cmdchar == 'V' || cmdchar == 'v') { State = VREPLACE; replaceState = VREPLACE; orig_line_count = curbuf->b_ml.ml_line_count; vr_lines_changed = 1; } #endif else State = INSERT; stop_insert_mode = FALSE; /* * Need to recompute the cursor position, it might move when the cursor is * on a TAB or special character. */ curs_columns(TRUE); /* * Enable langmap or IME, indicated by 'iminsert'. * Note that IME may enabled/disabled without us noticing here, thus the * 'iminsert' value may not reflect what is actually used. It is updated * when hitting <Esc>. */ if (curbuf->b_p_iminsert == B_IMODE_LMAP) State |= LANGMAP; #ifdef USE_IM_CONTROL im_set_active(curbuf->b_p_iminsert == B_IMODE_IM); #endif #ifdef FEAT_MOUSE setmouse(); #endif #ifdef FEAT_CMDL_INFO clear_showcmd(); #endif #ifdef FEAT_RIGHTLEFT /* there is no reverse replace mode */ revins_on = (State == INSERT && p_ri); if (revins_on) undisplay_dollar(); revins_chars = 0; revins_legal = 0; revins_scol = -1; #endif /* * Handle restarting Insert mode. * Don't do this for "CTRL-O ." (repeat an insert): we get here with * restart_edit non-zero, and something in the stuff buffer. */ if (restart_edit != 0 && stuff_empty()) { #ifdef FEAT_MOUSE /* * After a paste we consider text typed to be part of the insert for * the pasted text. You can backspace over the pasted text too. */ if (where_paste_started.lnum) arrow_used = FALSE; else #endif arrow_used = TRUE; restart_edit = 0; /* * If the cursor was after the end-of-line before the CTRL-O and it is * now at the end-of-line, put it after the end-of-line (this is not * correct in very rare cases). * Also do this if curswant is greater than the current virtual * column. Eg after "^O$" or "^O80|". */ validate_virtcol(); update_curswant(); if (((ins_at_eol && curwin->w_cursor.lnum == o_lnum) || curwin->w_curswant > curwin->w_virtcol) && *(ptr = ml_get_curline() + curwin->w_cursor.col) != NUL) { if (ptr[1] == NUL) ++curwin->w_cursor.col; #ifdef FEAT_MBYTE else if (has_mbyte) { i = (*mb_ptr2len)(ptr); if (ptr[i] == NUL) curwin->w_cursor.col += i; } #endif } ins_at_eol = FALSE; } else arrow_used = FALSE; /* we are in insert mode now, don't need to start it anymore */ need_start_insertmode = FALSE; /* Need to save the line for undo before inserting the first char. */ ins_need_undo = TRUE; #ifdef FEAT_MOUSE where_paste_started.lnum = 0; #endif #ifdef FEAT_CINDENT can_cindent = TRUE; #endif #ifdef FEAT_FOLDING /* The cursor line is not in a closed fold, unless 'insertmode' is set or * restarting. */ if (!p_im && did_restart_edit == 0) foldOpenCursor(); #endif /* * If 'showmode' is set, show the current (insert/replace/..) mode. * A warning message for changing a readonly file is given here, before * actually changing anything. It's put after the mode, if any. */ i = 0; if (p_smd && msg_silent == 0) i = showmode(); if (!p_im && did_restart_edit == 0) change_warning(i == 0 ? 0 : i + 1); #ifdef CURSOR_SHAPE ui_cursor_shape(); /* may show different cursor shape */ #endif #ifdef FEAT_DIGRAPHS do_digraph(-1); /* clear digraphs */ #endif /* * Get the current length of the redo buffer, those characters have to be * skipped if we want to get to the inserted characters. */ ptr = get_inserted(); if (ptr == NULL) new_insert_skip = 0; else { new_insert_skip = (int)STRLEN(ptr); vim_free(ptr); } old_indent = 0; /* * Main loop in Insert mode: repeat until Insert mode is left. */ for (;;) { #ifdef FEAT_RIGHTLEFT if (!revins_legal) revins_scol = -1; /* reset on illegal motions */ else revins_legal = 0; #endif if (arrow_used) /* don't repeat insert when arrow key used */ count = 0; if (stop_insert_mode) { /* ":stopinsert" used or 'insertmode' reset */ count = 0; goto doESCkey; } /* set curwin->w_curswant for next K_DOWN or K_UP */ if (!arrow_used) curwin->w_set_curswant = TRUE; /* If there is no typeahead may check for timestamps (e.g., for when a * menu invoked a shell command). */ if (stuff_empty()) { did_check_timestamps = FALSE; if (need_check_timestamps) check_timestamps(FALSE); } /* * When emsg() was called msg_scroll will have been set. */ msg_scroll = FALSE; #ifdef FEAT_GUI /* When 'mousefocus' is set a mouse movement may have taken us to * another window. "need_mouse_correct" may then be set because of an * autocommand. */ if (need_mouse_correct) gui_mouse_correct(); #endif #ifdef FEAT_FOLDING /* Open fold at the cursor line, according to 'foldopen'. */ if (fdo_flags & FDO_INSERT) foldOpenCursor(); /* Close folds where the cursor isn't, according to 'foldclose' */ if (!char_avail()) foldCheckClose(); #endif /* * If we inserted a character at the last position of the last line in * the window, scroll the window one line up. This avoids an extra * redraw. * This is detected when the cursor column is smaller after inserting * something. * Don't do this when the topline changed already, it has * already been adjusted (by insertchar() calling open_line())). */ if (curbuf->b_mod_set && curwin->w_p_wrap && !did_backspace && curwin->w_topline == old_topline #ifdef FEAT_DIFF && curwin->w_topfill == old_topfill #endif ) { mincol = curwin->w_wcol; validate_cursor_col(); if ((int)curwin->w_wcol < mincol - curbuf->b_p_ts && curwin->w_wrow == W_WINROW(curwin) + curwin->w_height - 1 - p_so && (curwin->w_cursor.lnum != curwin->w_topline #ifdef FEAT_DIFF || curwin->w_topfill > 0 #endif )) { #ifdef FEAT_DIFF if (curwin->w_topfill > 0) --curwin->w_topfill; else #endif #ifdef FEAT_FOLDING if (hasFolding(curwin->w_topline, NULL, &old_topline)) set_topline(curwin, old_topline + 1); else #endif set_topline(curwin, curwin->w_topline + 1); } } /* May need to adjust w_topline to show the cursor. */ update_topline(); did_backspace = FALSE; validate_cursor(); /* may set must_redraw */ /* * Redraw the display when no characters are waiting. * Also shows mode, ruler and positions cursor. */ ins_redraw(TRUE); #ifdef FEAT_SCROLLBIND if (curwin->w_p_scb) do_check_scrollbind(TRUE); #endif update_curswant(); old_topline = curwin->w_topline; #ifdef FEAT_DIFF old_topfill = curwin->w_topfill; #endif #ifdef USE_ON_FLY_SCROLL dont_scroll = FALSE; /* allow scrolling here */ #endif /* * Get a character for Insert mode. Ignore K_IGNORE. */ lastc = c; /* remember previous char for CTRL-D */ do { c = safe_vgetc(); } while (c == K_IGNORE); #ifdef FEAT_AUTOCMD /* Don't want K_CURSORHOLD for the second key, e.g., after CTRL-V. */ did_cursorhold = TRUE; #endif #ifdef FEAT_RIGHTLEFT if (p_hkmap && KeyTyped) c = hkmap(c); /* Hebrew mode mapping */ #endif #ifdef FEAT_FKMAP if (p_fkmap && KeyTyped) c = fkmap(c); /* Farsi mode mapping */ #endif #ifdef FEAT_INS_EXPAND /* * Special handling of keys while the popup menu is visible or wanted * and the cursor is still in the completed word. Only when there is * a match, skip this when no matches were found. */ if (compl_started && pum_wanted() && curwin->w_cursor.col >= compl_col && (compl_shown_match == NULL || compl_shown_match != compl_shown_match->cp_next)) { /* BS: Delete one character from "compl_leader". */ if ((c == K_BS || c == Ctrl_H) && curwin->w_cursor.col > compl_col && (c = ins_compl_bs()) == NUL) continue; /* When no match was selected or it was edited. */ if (!compl_used_match) { /* CTRL-L: Add one character from the current match to * "compl_leader". Except when at the original match and * there is nothing to add, CTRL-L works like CTRL-P then. */ if (c == Ctrl_L && (ctrl_x_mode != CTRL_X_WHOLE_LINE || (int)STRLEN(compl_shown_match->cp_str) > curwin->w_cursor.col - compl_col)) { ins_compl_addfrommatch(); continue; } /* A non-white character that fits in with the current * completion: Add to "compl_leader". */ if (ins_compl_accept_char(c)) { ins_compl_addleader(c); continue; } /* Pressing CTRL-Y selects the current match. When * compl_enter_selects is set the Enter key does the same. */ if (c == Ctrl_Y || (compl_enter_selects && (c == CAR || c == K_KENTER || c == NL))) { ins_compl_delete(); ins_compl_insert(); } } } /* Prepare for or stop CTRL-X mode. This doesn't do completion, but * it does fix up the text when finishing completion. */ compl_get_longest = FALSE; if (ins_compl_prep(c)) continue; #endif /* CTRL-\ CTRL-N goes to Normal mode, * CTRL-\ CTRL-G goes to mode selected with 'insertmode', * CTRL-\ CTRL-O is like CTRL-O but without moving the cursor. */ if (c == Ctrl_BSL) { /* may need to redraw when no more chars available now */ ins_redraw(FALSE); ++no_mapping; ++allow_keys; c = plain_vgetc(); --no_mapping; --allow_keys; if (c != Ctrl_N && c != Ctrl_G && c != Ctrl_O) { /* it's something else */ vungetc(c); c = Ctrl_BSL; } else if (c == Ctrl_G && p_im) continue; else { if (c == Ctrl_O) { ins_ctrl_o(); ins_at_eol = FALSE; /* cursor keeps its column */ nomove = TRUE; } count = 0; goto doESCkey; } } #ifdef FEAT_DIGRAPHS c = do_digraph(c); #endif #ifdef FEAT_INS_EXPAND if ((c == Ctrl_V || c == Ctrl_Q) && ctrl_x_mode == CTRL_X_CMDLINE) goto docomplete; #endif if (c == Ctrl_V || c == Ctrl_Q) { ins_ctrl_v(); c = Ctrl_V; /* pretend CTRL-V is last typed character */ continue; } #ifdef FEAT_CINDENT if (cindent_on() # ifdef FEAT_INS_EXPAND && ctrl_x_mode == 0 # endif ) { /* A key name preceded by a bang means this key is not to be * inserted. Skip ahead to the re-indenting below. * A key name preceded by a star means that indenting has to be * done before inserting the key. */ line_is_white = inindent(0); if (in_cinkeys(c, '!', line_is_white)) goto force_cindent; if (can_cindent && in_cinkeys(c, '*', line_is_white) && stop_arrow() == OK) do_c_expr_indent(); } #endif #ifdef FEAT_RIGHTLEFT if (curwin->w_p_rl) switch (c) { case K_LEFT: c = K_RIGHT; break; case K_S_LEFT: c = K_S_RIGHT; break; case K_C_LEFT: c = K_C_RIGHT; break; case K_RIGHT: c = K_LEFT; break; case K_S_RIGHT: c = K_S_LEFT; break; case K_C_RIGHT: c = K_C_LEFT; break; } #endif #ifdef FEAT_VISUAL /* * If 'keymodel' contains "startsel", may start selection. If it * does, a CTRL-O and c will be stuffed, we need to get these * characters. */ if (ins_start_select(c)) continue; #endif /* * The big switch to handle a character in insert mode. */ switch (c) { case ESC: /* End input mode */ if (echeck_abbr(ESC + ABBR_OFF)) break; /*FALLTHROUGH*/ case Ctrl_C: /* End input mode */ #ifdef FEAT_CMDWIN if (c == Ctrl_C && cmdwin_type != 0) { /* Close the cmdline window. */ cmdwin_result = K_IGNORE; got_int = FALSE; /* don't stop executing autocommands et al. */ nomove = TRUE; goto doESCkey; } #endif #ifdef UNIX do_intr: #endif /* when 'insertmode' set, and not halfway a mapping, don't leave * Insert mode */ if (goto_im()) { if (got_int) { (void)vgetc(); /* flush all buffers */ got_int = FALSE; } else vim_beep(); break; } doESCkey: /* * This is the ONLY return from edit()! */ /* Always update o_lnum, so that a "CTRL-O ." that adds a line * still puts the cursor back after the inserted text. */ if (ins_at_eol && gchar_cursor() == NUL) o_lnum = curwin->w_cursor.lnum; if (ins_esc(&count, cmdchar, nomove)) { #ifdef FEAT_AUTOCMD if (cmdchar != 'r' && cmdchar != 'v') apply_autocmds(EVENT_INSERTLEAVE, NULL, NULL, FALSE, curbuf); did_cursorhold = FALSE; #endif return (c == Ctrl_O); } continue; case Ctrl_Z: /* suspend when 'insertmode' set */ if (!p_im) goto normalchar; /* insert CTRL-Z as normal char */ stuffReadbuff((char_u *)":st\r"); c = Ctrl_O; /*FALLTHROUGH*/ case Ctrl_O: /* execute one command */ #ifdef FEAT_COMPL_FUNC if (ctrl_x_mode == CTRL_X_OMNI) goto docomplete; #endif if (echeck_abbr(Ctrl_O + ABBR_OFF)) break; ins_ctrl_o(); #ifdef FEAT_VIRTUALEDIT /* don't move the cursor left when 'virtualedit' has "onemore". */ if (ve_flags & VE_ONEMORE) { ins_at_eol = FALSE; nomove = TRUE; } #endif count = 0; goto doESCkey; case K_INS: /* toggle insert/replace mode */ case K_KINS: ins_insert(replaceState); break; case K_SELECT: /* end of Select mode mapping - ignore */ break; #ifdef FEAT_SNIFF case K_SNIFF: /* Sniff command received */ stuffcharReadbuff(K_SNIFF); goto doESCkey; #endif case K_HELP: /* Help key works like <ESC> <Help> */ case K_F1: case K_XF1: stuffcharReadbuff(K_HELP); if (p_im) need_start_insertmode = TRUE; goto doESCkey; #ifdef FEAT_NETBEANS_INTG case K_F21: /* NetBeans command */ ++no_mapping; /* don't map the next key hits */ i = plain_vgetc(); --no_mapping; netbeans_keycommand(i); break; #endif case K_ZERO: /* Insert the previously inserted text. */ case NUL: case Ctrl_A: /* For ^@ the trailing ESC will end the insert, unless there is an * error. */ if (stuff_inserted(NUL, 1L, (c == Ctrl_A)) == FAIL && c != Ctrl_A && !p_im) goto doESCkey; /* quit insert mode */ inserted_space = FALSE; break; case Ctrl_R: /* insert the contents of a register */ ins_reg(); auto_format(FALSE, TRUE); inserted_space = FALSE; break; case Ctrl_G: /* commands starting with CTRL-G */ ins_ctrl_g(); break; case Ctrl_HAT: /* switch input mode and/or langmap */ ins_ctrl_hat(); break; #ifdef FEAT_RIGHTLEFT case Ctrl__: /* switch between languages */ if (!p_ari) goto normalchar; ins_ctrl_(); break; #endif case Ctrl_D: /* Make indent one shiftwidth smaller. */ #if defined(FEAT_INS_EXPAND) && defined(FEAT_FIND_ID) if (ctrl_x_mode == CTRL_X_PATH_DEFINES) goto docomplete; #endif /* FALLTHROUGH */ case Ctrl_T: /* Make indent one shiftwidth greater. */ # ifdef FEAT_INS_EXPAND if (c == Ctrl_T && ctrl_x_mode == CTRL_X_THESAURUS) { if (has_compl_option(FALSE)) goto docomplete; break; } # endif ins_shift(c, lastc); auto_format(FALSE, TRUE); inserted_space = FALSE; break; case K_DEL: /* delete character under the cursor */ case K_KDEL: ins_del(); auto_format(FALSE, TRUE); break; case K_BS: /* delete character before the cursor */ case Ctrl_H: did_backspace = ins_bs(c, BACKSPACE_CHAR, &inserted_space); auto_format(FALSE, TRUE); break; case Ctrl_W: /* delete word before the cursor */ did_backspace = ins_bs(c, BACKSPACE_WORD, &inserted_space); auto_format(FALSE, TRUE); break; case Ctrl_U: /* delete all inserted text in current line */ # ifdef FEAT_COMPL_FUNC /* CTRL-X CTRL-U completes with 'completefunc'. */ if (ctrl_x_mode == CTRL_X_FUNCTION) goto docomplete; # endif did_backspace = ins_bs(c, BACKSPACE_LINE, &inserted_space); auto_format(FALSE, TRUE); inserted_space = FALSE; break; #ifdef FEAT_MOUSE case K_LEFTMOUSE: /* mouse keys */ case K_LEFTMOUSE_NM: case K_LEFTDRAG: case K_LEFTRELEASE: case K_LEFTRELEASE_NM: case K_MIDDLEMOUSE: case K_MIDDLEDRAG: case K_MIDDLERELEASE: case K_RIGHTMOUSE: case K_RIGHTDRAG: case K_RIGHTRELEASE: case K_X1MOUSE: case K_X1DRAG: case K_X1RELEASE: case K_X2MOUSE: case K_X2DRAG: case K_X2RELEASE: ins_mouse(c); break; case K_MOUSEDOWN: /* Default action for scroll wheel up: scroll up */ ins_mousescroll(FALSE); break; case K_MOUSEUP: /* Default action for scroll wheel down: scroll down */ ins_mousescroll(TRUE); break; #endif #ifdef FEAT_GUI_TABLINE case K_TABLINE: case K_TABMENU: ins_tabline(c); break; #endif case K_IGNORE: /* Something mapped to nothing */ break; #ifdef FEAT_AUTOCMD case K_CURSORHOLD: /* Didn't type something for a while. */ apply_autocmds(EVENT_CURSORHOLDI, NULL, NULL, FALSE, curbuf); did_cursorhold = TRUE; break; #endif #ifdef FEAT_GUI_W32 /* On Win32 ignore <M-F4>, we get it when closing the window was * cancelled. */ case K_F4: if (mod_mask != MOD_MASK_ALT) goto normalchar; break; #endif #ifdef FEAT_GUI case K_VER_SCROLLBAR: ins_scroll(); break; case K_HOR_SCROLLBAR: ins_horscroll(); break; #endif case K_HOME: /* <Home> */ case K_KHOME: case K_S_HOME: case K_C_HOME: ins_home(c); break; case K_END: /* <End> */ case K_KEND: case K_S_END: case K_C_END: ins_end(c); break; case K_LEFT: /* <Left> */ if (mod_mask & (MOD_MASK_SHIFT|MOD_MASK_CTRL)) ins_s_left(); else ins_left(); break; case K_S_LEFT: /* <S-Left> */ case K_C_LEFT: ins_s_left(); break; case K_RIGHT: /* <Right> */ if (mod_mask & (MOD_MASK_SHIFT|MOD_MASK_CTRL)) ins_s_right(); else ins_right(); break; case K_S_RIGHT: /* <S-Right> */ case K_C_RIGHT: ins_s_right(); break; case K_UP: /* <Up> */ #ifdef FEAT_INS_EXPAND if (pum_visible()) goto docomplete; #endif if (mod_mask & MOD_MASK_SHIFT) ins_pageup(); else ins_up(FALSE); break; case K_S_UP: /* <S-Up> */ case K_PAGEUP: case K_KPAGEUP: #ifdef FEAT_INS_EXPAND if (pum_visible()) goto docomplete; #endif ins_pageup(); break; case K_DOWN: /* <Down> */ #ifdef FEAT_INS_EXPAND if (pum_visible()) goto docomplete; #endif if (mod_mask & MOD_MASK_SHIFT) ins_pagedown(); else ins_down(FALSE); break; case K_S_DOWN: /* <S-Down> */ case K_PAGEDOWN: case K_KPAGEDOWN: #ifdef FEAT_INS_EXPAND if (pum_visible()) goto docomplete; #endif ins_pagedown(); break; #ifdef FEAT_DND case K_DROP: /* drag-n-drop event */ ins_drop(); break; #endif case K_S_TAB: /* When not mapped, use like a normal TAB */ c = TAB; /* FALLTHROUGH */ case TAB: /* TAB or Complete patterns along path */ #if defined(FEAT_INS_EXPAND) && defined(FEAT_FIND_ID) if (ctrl_x_mode == CTRL_X_PATH_PATTERNS) goto docomplete; #endif inserted_space = FALSE; if (ins_tab()) goto normalchar; /* insert TAB as a normal char */ auto_format(FALSE, TRUE); break; case K_KENTER: /* <Enter> */ c = CAR; /* FALLTHROUGH */ case CAR: case NL: #if defined(FEAT_WINDOWS) && defined(FEAT_QUICKFIX) /* In a quickfix window a <CR> jumps to the error under the * cursor. */ if (bt_quickfix(curbuf) && c == CAR) { if (curwin->w_llist_ref == NULL) /* quickfix window */ do_cmdline_cmd((char_u *)".cc"); else /* location list window */ do_cmdline_cmd((char_u *)".ll"); break; } #endif #ifdef FEAT_CMDWIN if (cmdwin_type != 0) { /* Execute the command in the cmdline window. */ cmdwin_result = CAR; goto doESCkey; } #endif if (ins_eol(c) && !p_im) goto doESCkey; /* out of memory */ auto_format(FALSE, FALSE); inserted_space = FALSE; break; #if defined(FEAT_DIGRAPHS) || defined (FEAT_INS_EXPAND) case Ctrl_K: /* digraph or keyword completion */ # ifdef FEAT_INS_EXPAND if (ctrl_x_mode == CTRL_X_DICTIONARY) { if (has_compl_option(TRUE)) goto docomplete; break; } # endif # ifdef FEAT_DIGRAPHS c = ins_digraph(); if (c == NUL) break; # endif goto normalchar; #endif #ifdef FEAT_INS_EXPAND case Ctrl_X: /* Enter CTRL-X mode */ ins_ctrl_x(); break; case Ctrl_RSB: /* Tag name completion after ^X */ if (ctrl_x_mode != CTRL_X_TAGS) goto normalchar; goto docomplete; case Ctrl_F: /* File name completion after ^X */ if (ctrl_x_mode != CTRL_X_FILES) goto normalchar; goto docomplete; case 's': /* Spelling completion after ^X */ case Ctrl_S: if (ctrl_x_mode != CTRL_X_SPELL) goto normalchar; goto docomplete; #endif case Ctrl_L: /* Whole line completion after ^X */ #ifdef FEAT_INS_EXPAND if (ctrl_x_mode != CTRL_X_WHOLE_LINE) #endif { /* CTRL-L with 'insertmode' set: Leave Insert mode */ if (p_im) { if (echeck_abbr(Ctrl_L + ABBR_OFF)) break; goto doESCkey; } goto normalchar; } #ifdef FEAT_INS_EXPAND /* FALLTHROUGH */ case Ctrl_P: /* Do previous/next pattern completion */ case Ctrl_N: /* if 'complete' is empty then plain ^P is no longer special, * but it is under other ^X modes */ if (*curbuf->b_p_cpt == NUL && ctrl_x_mode != 0 && !(compl_cont_status & CONT_LOCAL)) goto normalchar; docomplete: if (ins_complete(c) == FAIL) compl_cont_status = 0; break; #endif /* FEAT_INS_EXPAND */ case Ctrl_Y: /* copy from previous line or scroll down */ case Ctrl_E: /* copy from next line or scroll up */ c = ins_ctrl_ey(c); break; default: #ifdef UNIX if (c == intr_char) /* special interrupt char */ goto do_intr; #endif /* * Insert a nomal character. */ normalchar: #ifdef FEAT_SMARTINDENT /* Try to perform smart-indenting. */ ins_try_si(c); #endif if (c == ' ') { inserted_space = TRUE; #ifdef FEAT_CINDENT if (inindent(0)) can_cindent = FALSE; #endif if (Insstart_blank_vcol == MAXCOL && curwin->w_cursor.lnum == Insstart.lnum) Insstart_blank_vcol = get_nolist_virtcol(); } if (vim_iswordc(c) || !echeck_abbr( #ifdef FEAT_MBYTE /* Add ABBR_OFF for characters above 0x100, this is * what check_abbr() expects. */ (has_mbyte && c >= 0x100) ? (c + ABBR_OFF) : #endif c)) { insert_special(c, FALSE, FALSE); #ifdef FEAT_RIGHTLEFT revins_legal++; revins_chars++; #endif } auto_format(FALSE, TRUE); #ifdef FEAT_FOLDING /* When inserting a character the cursor line must never be in a * closed fold. */ foldOpenCursor(); #endif break; } /* end of switch (c) */ #ifdef FEAT_AUTOCMD /* If typed something may trigger CursorHoldI again. */ if (c != K_CURSORHOLD) did_cursorhold = FALSE; #endif /* If the cursor was moved we didn't just insert a space */ if (arrow_used) inserted_space = FALSE; #ifdef FEAT_CINDENT if (can_cindent && cindent_on() # ifdef FEAT_INS_EXPAND && ctrl_x_mode == 0 # endif ) { force_cindent: /* * Indent now if a key was typed that is in 'cinkeys'. */ if (in_cinkeys(c, ' ', line_is_white)) { if (stop_arrow() == OK) /* re-indent the current line */ do_c_expr_indent(); } } #endif /* FEAT_CINDENT */ } /* for (;;) */ /* NOTREACHED */ } /* * Redraw for Insert mode. * This is postponed until getting the next character to make '$' in the 'cpo' * option work correctly. * Only redraw when there are no characters available. This speeds up * inserting sequences of characters (e.g., for CTRL-R). */ static void ins_redraw(ready) int ready UNUSED; /* not busy with something */ { if (!char_avail()) { #ifdef FEAT_AUTOCMD /* Trigger CursorMoved if the cursor moved. Not when the popup menu is * visible, the command might delete it. */ if (ready && has_cursormovedI() && !equalpos(last_cursormoved, curwin->w_cursor) # ifdef FEAT_INS_EXPAND && !pum_visible() # endif ) { # ifdef FEAT_SYN_HL /* Need to update the screen first, to make sure syntax * highlighting is correct after making a change (e.g., inserting * a "(". The autocommand may also require a redraw, so it's done * again below, unfortunately. */ if (syntax_present(curbuf) && must_redraw) update_screen(0); # endif apply_autocmds(EVENT_CURSORMOVEDI, NULL, NULL, FALSE, curbuf); last_cursormoved = curwin->w_cursor; } #endif if (must_redraw) update_screen(0); else if (clear_cmdline || redraw_cmdline) showmode(); /* clear cmdline and show mode */ showruler(FALSE); setcursor(); emsg_on_display = FALSE; /* may remove error message now */ } } /* * Handle a CTRL-V or CTRL-Q typed in Insert mode. */ static void ins_ctrl_v() { int c; /* may need to redraw when no more chars available now */ ins_redraw(FALSE); if (redrawing() && !char_avail()) edit_putchar('^', TRUE); AppendToRedobuff((char_u *)CTRL_V_STR); /* CTRL-V */ #ifdef FEAT_CMDL_INFO add_to_showcmd_c(Ctrl_V); #endif c = get_literal(); #ifdef FEAT_CMDL_INFO clear_showcmd(); #endif insert_special(c, FALSE, TRUE); #ifdef FEAT_RIGHTLEFT revins_chars++; revins_legal++; #endif } /* * Put a character directly onto the screen. It's not stored in a buffer. * Used while handling CTRL-K, CTRL-V, etc. in Insert mode. */ static int pc_status; #define PC_STATUS_UNSET 0 /* pc_bytes was not set */ #define PC_STATUS_RIGHT 1 /* right halve of double-wide char */ #define PC_STATUS_LEFT 2 /* left halve of double-wide char */ #define PC_STATUS_SET 3 /* pc_bytes was filled */ #ifdef FEAT_MBYTE static char_u pc_bytes[MB_MAXBYTES + 1]; /* saved bytes */ #else static char_u pc_bytes[2]; /* saved bytes */ #endif static int pc_attr; static int pc_row; static int pc_col; void edit_putchar(c, highlight) int c; int highlight; { int attr; if (ScreenLines != NULL) { update_topline(); /* just in case w_topline isn't valid */ validate_cursor(); if (highlight) attr = hl_attr(HLF_8); else attr = 0; pc_row = W_WINROW(curwin) + curwin->w_wrow; pc_col = W_WINCOL(curwin); #if defined(FEAT_RIGHTLEFT) || defined(FEAT_MBYTE) pc_status = PC_STATUS_UNSET; #endif #ifdef FEAT_RIGHTLEFT if (curwin->w_p_rl) { pc_col += W_WIDTH(curwin) - 1 - curwin->w_wcol; # ifdef FEAT_MBYTE if (has_mbyte) { int fix_col = mb_fix_col(pc_col, pc_row); if (fix_col != pc_col) { screen_putchar(' ', pc_row, fix_col, attr); --curwin->w_wcol; pc_status = PC_STATUS_RIGHT; } } # endif } else #endif { pc_col += curwin->w_wcol; #ifdef FEAT_MBYTE if (mb_lefthalve(pc_row, pc_col)) pc_status = PC_STATUS_LEFT; #endif } /* save the character to be able to put it back */ #if defined(FEAT_RIGHTLEFT) || defined(FEAT_MBYTE) if (pc_status == PC_STATUS_UNSET) #endif { screen_getbytes(pc_row, pc_col, pc_bytes, &pc_attr); pc_status = PC_STATUS_SET; } screen_putchar(c, pc_row, pc_col, attr); } } /* * Undo the previous edit_putchar(). */ void edit_unputchar() { if (pc_status != PC_STATUS_UNSET && pc_row >= msg_scrolled) { #if defined(FEAT_MBYTE) if (pc_status == PC_STATUS_RIGHT) ++curwin->w_wcol; if (pc_status == PC_STATUS_RIGHT || pc_status == PC_STATUS_LEFT) redrawWinline(curwin->w_cursor.lnum, FALSE); else #endif screen_puts(pc_bytes, pc_row - msg_scrolled, pc_col, pc_attr); } } /* * Called when p_dollar is set: display a '$' at the end of the changed text * Only works when cursor is in the line that changes. */ void display_dollar(col) colnr_T col; { colnr_T save_col; if (!redrawing()) return; cursor_off(); save_col = curwin->w_cursor.col; curwin->w_cursor.col = col; #ifdef FEAT_MBYTE if (has_mbyte) { char_u *p; /* If on the last byte of a multi-byte move to the first byte. */ p = ml_get_curline(); curwin->w_cursor.col -= (*mb_head_off)(p, p + col); } #endif curs_columns(FALSE); /* recompute w_wrow and w_wcol */ if (curwin->w_wcol < W_WIDTH(curwin)) { edit_putchar('$', FALSE); dollar_vcol = curwin->w_virtcol; } curwin->w_cursor.col = save_col; } /* * Call this function before moving the cursor from the normal insert position * in insert mode. */ static void undisplay_dollar() { if (dollar_vcol) { dollar_vcol = 0; redrawWinline(curwin->w_cursor.lnum, FALSE); } } /* * Insert an indent (for <Tab> or CTRL-T) or delete an indent (for CTRL-D). * Keep the cursor on the same character. * type == INDENT_INC increase indent (for CTRL-T or <Tab>) * type == INDENT_DEC decrease indent (for CTRL-D) * type == INDENT_SET set indent to "amount" * if round is TRUE, round the indent to 'shiftwidth' (only with _INC and _Dec). */ void change_indent(type, amount, round, replaced, call_changed_bytes) int type; int amount; int round; int replaced; /* replaced character, put on replace stack */ int call_changed_bytes; /* call changed_bytes() */ { int vcol; int last_vcol; int insstart_less; /* reduction for Insstart.col */ int new_cursor_col; int i; char_u *ptr; int save_p_list; int start_col; colnr_T vc; #ifdef FEAT_VREPLACE colnr_T orig_col = 0; /* init for GCC */ char_u *new_line, *orig_line = NULL; /* init for GCC */ /* VREPLACE mode needs to know what the line was like before changing */ if (State & VREPLACE_FLAG) { orig_line = vim_strsave(ml_get_curline()); /* Deal with NULL below */ orig_col = curwin->w_cursor.col; } #endif /* for the following tricks we don't want list mode */ save_p_list = curwin->w_p_list; curwin->w_p_list = FALSE; vc = getvcol_nolist(&curwin->w_cursor); vcol = vc; /* * For Replace mode we need to fix the replace stack later, which is only * possible when the cursor is in the indent. Remember the number of * characters before the cursor if it's possible. */ start_col = curwin->w_cursor.col; /* determine offset from first non-blank */ new_cursor_col = curwin->w_cursor.col; beginline(BL_WHITE); new_cursor_col -= curwin->w_cursor.col; insstart_less = curwin->w_cursor.col; /* * If the cursor is in the indent, compute how many screen columns the * cursor is to the left of the first non-blank. */ if (new_cursor_col < 0) vcol = get_indent() - vcol; if (new_cursor_col > 0) /* can't fix replace stack */ start_col = -1; /* * Set the new indent. The cursor will be put on the first non-blank. */ if (type == INDENT_SET) (void)set_indent(amount, call_changed_bytes ? SIN_CHANGED : 0); else { #ifdef FEAT_VREPLACE int save_State = State; /* Avoid being called recursively. */ if (State & VREPLACE_FLAG) State = INSERT; #endif shift_line(type == INDENT_DEC, round, 1, call_changed_bytes); #ifdef FEAT_VREPLACE State = save_State; #endif } insstart_less -= curwin->w_cursor.col; /* * Try to put cursor on same character. * If the cursor is at or after the first non-blank in the line, * compute the cursor column relative to the column of the first * non-blank character. * If we are not in insert mode, leave the cursor on the first non-blank. * If the cursor is before the first non-blank, position it relative * to the first non-blank, counted in screen columns. */ if (new_cursor_col >= 0) { /* * When changing the indent while the cursor is touching it, reset * Insstart_col to 0. */ if (new_cursor_col == 0) insstart_less = MAXCOL; new_cursor_col += curwin->w_cursor.col; } else if (!(State & INSERT)) new_cursor_col = curwin->w_cursor.col; else { /* * Compute the screen column where the cursor should be. */ vcol = get_indent() - vcol; curwin->w_virtcol = (colnr_T)((vcol < 0) ? 0 : vcol); /* * Advance the cursor until we reach the right screen column. */ vcol = last_vcol = 0; new_cursor_col = -1; ptr = ml_get_curline(); while (vcol <= (int)curwin->w_virtcol) { last_vcol = vcol; #ifdef FEAT_MBYTE if (has_mbyte && new_cursor_col >= 0) new_cursor_col += (*mb_ptr2len)(ptr + new_cursor_col); else #endif ++new_cursor_col; vcol += lbr_chartabsize(ptr + new_cursor_col, (colnr_T)vcol); } vcol = last_vcol; /* * May need to insert spaces to be able to position the cursor on * the right screen column. */ if (vcol != (int)curwin->w_virtcol) { curwin->w_cursor.col = (colnr_T)new_cursor_col; i = (int)curwin->w_virtcol - vcol; ptr = alloc((unsigned)(i + 1)); if (ptr != NULL) { new_cursor_col += i; ptr[i] = NUL; while (--i >= 0) ptr[i] = ' '; ins_str(ptr); vim_free(ptr); } } /* * When changing the indent while the cursor is in it, reset * Insstart_col to 0. */ insstart_less = MAXCOL; } curwin->w_p_list = save_p_list; if (new_cursor_col <= 0) curwin->w_cursor.col = 0; else curwin->w_cursor.col = (colnr_T)new_cursor_col; curwin->w_set_curswant = TRUE; changed_cline_bef_curs(); /* * May have to adjust the start of the insert. */ if (State & INSERT) { if (curwin->w_cursor.lnum == Insstart.lnum && Insstart.col != 0) { if ((int)Insstart.col <= insstart_less) Insstart.col = 0; else Insstart.col -= insstart_less; } if ((int)ai_col <= insstart_less) ai_col = 0; else ai_col -= insstart_less; } /* * For REPLACE mode, may have to fix the replace stack, if it's possible. * If the number of characters before the cursor decreased, need to pop a * few characters from the replace stack. * If the number of characters before the cursor increased, need to push a * few NULs onto the replace stack. */ if (REPLACE_NORMAL(State) && start_col >= 0) { while (start_col > (int)curwin->w_cursor.col) { replace_join(0); /* remove a NUL from the replace stack */ --start_col; } while (start_col < (int)curwin->w_cursor.col || replaced) { replace_push(NUL); if (replaced) { replace_push(replaced); replaced = NUL; } ++start_col; } } #ifdef FEAT_VREPLACE /* * For VREPLACE mode, we also have to fix the replace stack. In this case * it is always possible because we backspace over the whole line and then * put it back again the way we wanted it. */ if (State & VREPLACE_FLAG) { /* If orig_line didn't allocate, just return. At least we did the job, * even if you can't backspace. */ if (orig_line == NULL) return; /* Save new line */ new_line = vim_strsave(ml_get_curline()); if (new_line == NULL) return; /* We only put back the new line up to the cursor */ new_line[curwin->w_cursor.col] = NUL; /* Put back original line */ ml_replace(curwin->w_cursor.lnum, orig_line, FALSE); curwin->w_cursor.col = orig_col; /* Backspace from cursor to start of line */ backspace_until_column(0); /* Insert new stuff into line again */ ins_bytes(new_line); vim_free(new_line); } #endif } /* * Truncate the space at the end of a line. This is to be used only in an * insert mode. It handles fixing the replace stack for REPLACE and VREPLACE * modes. */ void truncate_spaces(line) char_u *line; { int i; /* find start of trailing white space */ for (i = (int)STRLEN(line) - 1; i >= 0 && vim_iswhite(line[i]); i--) { if (State & REPLACE_FLAG) replace_join(0); /* remove a NUL from the replace stack */ } line[i + 1] = NUL; } #if defined(FEAT_VREPLACE) || defined(FEAT_INS_EXPAND) \ || defined(FEAT_COMMENTS) || defined(PROTO) /* * Backspace the cursor until the given column. Handles REPLACE and VREPLACE * modes correctly. May also be used when not in insert mode at all. * Will attempt not to go before "col" even when there is a composing * character. */ void backspace_until_column(col) int col; { while ((int)curwin->w_cursor.col > col) { curwin->w_cursor.col--; if (State & REPLACE_FLAG) replace_do_bs(col); else if (!del_char_after_col(col)) break; } } #endif /* * Like del_char(), but make sure not to go before column "limit_col". * Only matters when there are composing characters. * Return TRUE when something was deleted. */ static int del_char_after_col(limit_col) int limit_col UNUSED; { #ifdef FEAT_MBYTE if (enc_utf8 && limit_col >= 0) { colnr_T ecol = curwin->w_cursor.col + 1; /* Make sure the cursor is at the start of a character, but * skip forward again when going too far back because of a * composing character. */ mb_adjust_cursor(); while (curwin->w_cursor.col < (colnr_T)limit_col) { int l = utf_ptr2len(ml_get_cursor()); if (l == 0) /* end of line */ break; curwin->w_cursor.col += l; } if (*ml_get_cursor() == NUL || curwin->w_cursor.col == ecol) return FALSE; del_bytes((long)((int)ecol - curwin->w_cursor.col), FALSE, TRUE); } else #endif (void)del_char(FALSE); return TRUE; } #if defined(FEAT_INS_EXPAND) || defined(PROTO) /* * CTRL-X pressed in Insert mode. */ static void ins_ctrl_x() { /* CTRL-X after CTRL-X CTRL-V doesn't do anything, so that CTRL-X * CTRL-V works like CTRL-N */ if (ctrl_x_mode != CTRL_X_CMDLINE) { /* if the next ^X<> won't ADD nothing, then reset * compl_cont_status */ if (compl_cont_status & CONT_N_ADDS) compl_cont_status |= CONT_INTRPT; else compl_cont_status = 0; /* We're not sure which CTRL-X mode it will be yet */ ctrl_x_mode = CTRL_X_NOT_DEFINED_YET; edit_submode = (char_u *)_(CTRL_X_MSG(ctrl_x_mode)); edit_submode_pre = NULL; showmode(); } } /* * Return TRUE if the 'dict' or 'tsr' option can be used. */ static int has_compl_option(dict_opt) int dict_opt; { if (dict_opt ? (*curbuf->b_p_dict == NUL && *p_dict == NUL # ifdef FEAT_SPELL && !curwin->w_p_spell # endif ) : (*curbuf->b_p_tsr == NUL && *p_tsr == NUL)) { ctrl_x_mode = 0; edit_submode = NULL; msg_attr(dict_opt ? (char_u *)_("'dictionary' option is empty") : (char_u *)_("'thesaurus' option is empty"), hl_attr(HLF_E)); if (emsg_silent == 0) { vim_beep(); setcursor(); out_flush(); ui_delay(2000L, FALSE); } return FALSE; } return TRUE; } /* * Is the character 'c' a valid key to go to or keep us in CTRL-X mode? * This depends on the current mode. */ int vim_is_ctrl_x_key(c) int c; { /* Always allow ^R - let it's results then be checked */ if (c == Ctrl_R) return TRUE; /* Accept <PageUp> and <PageDown> if the popup menu is visible. */ if (ins_compl_pum_key(c)) return TRUE; switch (ctrl_x_mode) { case 0: /* Not in any CTRL-X mode */ return (c == Ctrl_N || c == Ctrl_P || c == Ctrl_X); case CTRL_X_NOT_DEFINED_YET: return ( c == Ctrl_X || c == Ctrl_Y || c == Ctrl_E || c == Ctrl_L || c == Ctrl_F || c == Ctrl_RSB || c == Ctrl_I || c == Ctrl_D || c == Ctrl_P || c == Ctrl_N || c == Ctrl_T || c == Ctrl_V || c == Ctrl_Q || c == Ctrl_U || c == Ctrl_O || c == Ctrl_S || c == 's'); case CTRL_X_SCROLL: return (c == Ctrl_Y || c == Ctrl_E); case CTRL_X_WHOLE_LINE: return (c == Ctrl_L || c == Ctrl_P || c == Ctrl_N); case CTRL_X_FILES: return (c == Ctrl_F || c == Ctrl_P || c == Ctrl_N); case CTRL_X_DICTIONARY: return (c == Ctrl_K || c == Ctrl_P || c == Ctrl_N); case CTRL_X_THESAURUS: return (c == Ctrl_T || c == Ctrl_P || c == Ctrl_N); case CTRL_X_TAGS: return (c == Ctrl_RSB || c == Ctrl_P || c == Ctrl_N); #ifdef FEAT_FIND_ID case CTRL_X_PATH_PATTERNS: return (c == Ctrl_P || c == Ctrl_N); case CTRL_X_PATH_DEFINES: return (c == Ctrl_D || c == Ctrl_P || c == Ctrl_N); #endif case CTRL_X_CMDLINE: return (c == Ctrl_V || c == Ctrl_Q || c == Ctrl_P || c == Ctrl_N || c == Ctrl_X); #ifdef FEAT_COMPL_FUNC case CTRL_X_FUNCTION: return (c == Ctrl_U || c == Ctrl_P || c == Ctrl_N); case CTRL_X_OMNI: return (c == Ctrl_O || c == Ctrl_P || c == Ctrl_N); #endif case CTRL_X_SPELL: return (c == Ctrl_S || c == Ctrl_P || c == Ctrl_N); } EMSG(_(e_internal)); return FALSE; } /* * Return TRUE when character "c" is part of the item currently being * completed. Used to decide whether to abandon complete mode when the menu * is visible. */ static int ins_compl_accept_char(c) int c; { if (ctrl_x_mode & CTRL_X_WANT_IDENT) /* When expanding an identifier only accept identifier chars. */ return vim_isIDc(c); switch (ctrl_x_mode) { case CTRL_X_FILES: /* When expanding file name only accept file name chars. But not * path separators, so that "proto/<Tab>" expands files in * "proto", not "proto/" as a whole */ return vim_isfilec(c) && !vim_ispathsep(c); case CTRL_X_CMDLINE: case CTRL_X_OMNI: /* Command line and Omni completion can work with just about any * printable character, but do stop at white space. */ return vim_isprintc(c) && !vim_iswhite(c); case CTRL_X_WHOLE_LINE: /* For while line completion a space can be part of the line. */ return vim_isprintc(c); } return vim_iswordc(c); } /* * This is like ins_compl_add(), but if 'ic' and 'inf' are set, then the * case of the originally typed text is used, and the case of the completed * text is inferred, ie this tries to work out what case you probably wanted * the rest of the word to be in -- webb */ int ins_compl_add_infercase(str, len, icase, fname, dir, flags) char_u *str; int len; int icase; char_u *fname; int dir; int flags; { char_u *p; int i, c; int actual_len; /* Take multi-byte characters */ int actual_compl_length; /* into account. */ int *wca; /* Wide character array. */ int has_lower = FALSE; int was_letter = FALSE; if (p_ic && curbuf->b_p_inf && len > 0) { /* Infer case of completed part. */ /* Find actual length of completion. */ #ifdef FEAT_MBYTE if (has_mbyte) { p = str; actual_len = 0; while (*p != NUL) { mb_ptr_adv(p); ++actual_len; } } else #endif actual_len = len; /* Find actual length of original text. */ #ifdef FEAT_MBYTE if (has_mbyte) { p = compl_orig_text; actual_compl_length = 0; while (*p != NUL) { mb_ptr_adv(p); ++actual_compl_length; } } else #endif actual_compl_length = compl_length; /* Allocate wide character array for the completion and fill it. */ wca = (int *)alloc((unsigned)(actual_len * sizeof(int))); if (wca != NULL) { p = str; for (i = 0; i < actual_len; ++i) #ifdef FEAT_MBYTE if (has_mbyte) wca[i] = mb_ptr2char_adv(&p); else #endif wca[i] = *(p++); /* Rule 1: Were any chars converted to lower? */ p = compl_orig_text; for (i = 0; i < actual_compl_length; ++i) { #ifdef FEAT_MBYTE if (has_mbyte) c = mb_ptr2char_adv(&p); else #endif c = *(p++); if (MB_ISLOWER(c)) { has_lower = TRUE; if (MB_ISUPPER(wca[i])) { /* Rule 1 is satisfied. */ for (i = actual_compl_length; i < actual_len; ++i) wca[i] = MB_TOLOWER(wca[i]); break; } } } /* * Rule 2: No lower case, 2nd consecutive letter converted to * upper case. */ if (!has_lower) { p = compl_orig_text; for (i = 0; i < actual_compl_length; ++i) { #ifdef FEAT_MBYTE if (has_mbyte) c = mb_ptr2char_adv(&p); else #endif c = *(p++); if (was_letter && MB_ISUPPER(c) && MB_ISLOWER(wca[i])) { /* Rule 2 is satisfied. */ for (i = actual_compl_length; i < actual_len; ++i) wca[i] = MB_TOUPPER(wca[i]); break; } was_letter = MB_ISLOWER(c) || MB_ISUPPER(c); } } /* Copy the original case of the part we typed. */ p = compl_orig_text; for (i = 0; i < actual_compl_length; ++i) { #ifdef FEAT_MBYTE if (has_mbyte) c = mb_ptr2char_adv(&p); else #endif c = *(p++); if (MB_ISLOWER(c)) wca[i] = MB_TOLOWER(wca[i]); else if (MB_ISUPPER(c)) wca[i] = MB_TOUPPER(wca[i]); } /* * Generate encoding specific output from wide character array. * Multi-byte characters can occupy up to five bytes more than * ASCII characters, and we also need one byte for NUL, so stay * six bytes away from the edge of IObuff. */ p = IObuff; i = 0; while (i < actual_len && (p - IObuff + 6) < IOSIZE) #ifdef FEAT_MBYTE if (has_mbyte) p += (*mb_char2bytes)(wca[i++], p); else #endif *(p++) = wca[i++]; *p = NUL; vim_free(wca); } return ins_compl_add(IObuff, len, icase, fname, NULL, dir, flags, FALSE); } return ins_compl_add(str, len, icase, fname, NULL, dir, flags, FALSE); } /* * Add a match to the list of matches. * If the given string is already in the list of completions, then return * NOTDONE, otherwise add it to the list and return OK. If there is an error, * maybe because alloc() returns NULL, then FAIL is returned. */ static int ins_compl_add(str, len, icase, fname, cptext, cdir, flags, adup) char_u *str; int len; int icase; char_u *fname; char_u **cptext; /* extra text for popup menu or NULL */ int cdir; int flags; int adup; /* accept duplicate match */ { compl_T *match; int dir = (cdir == 0 ? compl_direction : cdir); ui_breakcheck(); if (got_int) return FAIL; if (len < 0) len = (int)STRLEN(str); /* * If the same match is already present, don't add it. */ if (compl_first_match != NULL && !adup) { match = compl_first_match; do { if ( !(match->cp_flags & ORIGINAL_TEXT) && STRNCMP(match->cp_str, str, len) == 0 && match->cp_str[len] == NUL) return NOTDONE; match = match->cp_next; } while (match != NULL && match != compl_first_match); } /* Remove any popup menu before changing the list of matches. */ ins_compl_del_pum(); /* * Allocate a new match structure. * Copy the values to the new match structure. */ match = (compl_T *)alloc_clear((unsigned)sizeof(compl_T)); if (match == NULL) return FAIL; match->cp_number = -1; if (flags & ORIGINAL_TEXT) match->cp_number = 0; if ((match->cp_str = vim_strnsave(str, len)) == NULL) { vim_free(match); return FAIL; } match->cp_icase = icase; /* match-fname is: * - compl_curr_match->cp_fname if it is a string equal to fname. * - a copy of fname, FREE_FNAME is set to free later THE allocated mem. * - NULL otherwise. --Acevedo */ if (fname != NULL && compl_curr_match != NULL && compl_curr_match->cp_fname != NULL && STRCMP(fname, compl_curr_match->cp_fname) == 0) match->cp_fname = compl_curr_match->cp_fname; else if (fname != NULL) { match->cp_fname = vim_strsave(fname); flags |= FREE_FNAME; } else match->cp_fname = NULL; match->cp_flags = flags; if (cptext != NULL) { int i; for (i = 0; i < CPT_COUNT; ++i) if (cptext[i] != NULL && *cptext[i] != NUL) match->cp_text[i] = vim_strsave(cptext[i]); } /* * Link the new match structure in the list of matches. */ if (compl_first_match == NULL) match->cp_next = match->cp_prev = NULL; else if (dir == FORWARD) { match->cp_next = compl_curr_match->cp_next; match->cp_prev = compl_curr_match; } else /* BACKWARD */ { match->cp_next = compl_curr_match; match->cp_prev = compl_curr_match->cp_prev; } if (match->cp_next) match->cp_next->cp_prev = match; if (match->cp_prev) match->cp_prev->cp_next = match; else /* if there's nothing before, it is the first match */ compl_first_match = match; compl_curr_match = match; /* * Find the longest common string if still doing that. */ if (compl_get_longest && (flags & ORIGINAL_TEXT) == 0) ins_compl_longest_match(match); return OK; } /* * Return TRUE if "str[len]" matches with match->cp_str, considering * match->cp_icase. */ static int ins_compl_equal(match, str, len) compl_T *match; char_u *str; int len; { if (match->cp_icase) return STRNICMP(match->cp_str, str, (size_t)len) == 0; return STRNCMP(match->cp_str, str, (size_t)len) == 0; } /* * Reduce the longest common string for match "match". */ static void ins_compl_longest_match(match) compl_T *match; { char_u *p, *s; int c1, c2; int had_match; if (compl_leader == NULL) { /* First match, use it as a whole. */ compl_leader = vim_strsave(match->cp_str); if (compl_leader != NULL) { had_match = (curwin->w_cursor.col > compl_col); ins_compl_delete(); ins_bytes(compl_leader + ins_compl_len()); ins_redraw(FALSE); /* When the match isn't there (to avoid matching itself) remove it * again after redrawing. */ if (!had_match) ins_compl_delete(); compl_used_match = FALSE; } } else { /* Reduce the text if this match differs from compl_leader. */ p = compl_leader; s = match->cp_str; while (*p != NUL) { #ifdef FEAT_MBYTE if (has_mbyte) { c1 = mb_ptr2char(p); c2 = mb_ptr2char(s); } else #endif { c1 = *p; c2 = *s; } if (match->cp_icase ? (MB_TOLOWER(c1) != MB_TOLOWER(c2)) : (c1 != c2)) break; #ifdef FEAT_MBYTE if (has_mbyte) { mb_ptr_adv(p); mb_ptr_adv(s); } else #endif { ++p; ++s; } } if (*p != NUL) { /* Leader was shortened, need to change the inserted text. */ *p = NUL; had_match = (curwin->w_cursor.col > compl_col); ins_compl_delete(); ins_bytes(compl_leader + ins_compl_len()); ins_redraw(FALSE); /* When the match isn't there (to avoid matching itself) remove it * again after redrawing. */ if (!had_match) ins_compl_delete(); } compl_used_match = FALSE; } } /* * Add an array of matches to the list of matches. * Frees matches[]. */ static void ins_compl_add_matches(num_matches, matches, icase) int num_matches; char_u **matches; int icase; { int i; int add_r = OK; int dir = compl_direction; for (i = 0; i < num_matches && add_r != FAIL; i++) if ((add_r = ins_compl_add(matches[i], -1, icase, NULL, NULL, dir, 0, FALSE)) == OK) /* if dir was BACKWARD then honor it just once */ dir = FORWARD; FreeWild(num_matches, matches); } /* Make the completion list cyclic. * Return the number of matches (excluding the original). */ static int ins_compl_make_cyclic() { compl_T *match; int count = 0; if (compl_first_match != NULL) { /* * Find the end of the list. */ match = compl_first_match; /* there's always an entry for the compl_orig_text, it doesn't count. */ while (match->cp_next != NULL && match->cp_next != compl_first_match) { match = match->cp_next; ++count; } match->cp_next = compl_first_match; compl_first_match->cp_prev = match; } return count; } /* * Start completion for the complete() function. * "startcol" is where the matched text starts (1 is first column). * "list" is the list of matches. */ void set_completion(startcol, list) colnr_T startcol; list_T *list; { /* If already doing completions stop it. */ if (ctrl_x_mode != 0) ins_compl_prep(' '); ins_compl_clear(); if (stop_arrow() == FAIL) return; if (startcol > curwin->w_cursor.col) startcol = curwin->w_cursor.col; compl_col = startcol; compl_length = (int)curwin->w_cursor.col - (int)startcol; /* compl_pattern doesn't need to be set */ compl_orig_text = vim_strnsave(ml_get_curline() + compl_col, compl_length); if (compl_orig_text == NULL || ins_compl_add(compl_orig_text, -1, p_ic, NULL, NULL, 0, ORIGINAL_TEXT, FALSE) != OK) return; /* Handle like dictionary completion. */ ctrl_x_mode = CTRL_X_WHOLE_LINE; ins_compl_add_list(list); compl_matches = ins_compl_make_cyclic(); compl_started = TRUE; compl_used_match = TRUE; compl_cont_status = 0; compl_curr_match = compl_first_match; ins_complete(Ctrl_N); out_flush(); } /* "compl_match_array" points the currently displayed list of entries in the * popup menu. It is NULL when there is no popup menu. */ static pumitem_T *compl_match_array = NULL; static int compl_match_arraysize; /* * Update the screen and when there is any scrolling remove the popup menu. */ static void ins_compl_upd_pum() { int h; if (compl_match_array != NULL) { h = curwin->w_cline_height; update_screen(0); if (h != curwin->w_cline_height) ins_compl_del_pum(); } } /* * Remove any popup menu. */ static void ins_compl_del_pum() { if (compl_match_array != NULL) { pum_undisplay(); vim_free(compl_match_array); compl_match_array = NULL; } } /* * Return TRUE if the popup menu should be displayed. */ static int pum_wanted() { /* 'completeopt' must contain "menu" or "menuone" */ if (vim_strchr(p_cot, 'm') == NULL) return FALSE; /* The display looks bad on a B&W display. */ if (t_colors < 8 #ifdef FEAT_GUI && !gui.in_use #endif ) return FALSE; return TRUE; } /* * Return TRUE if there are two or more matches to be shown in the popup menu. * One if 'completopt' contains "menuone". */ static int pum_enough_matches() { compl_T *compl; int i; /* Don't display the popup menu if there are no matches or there is only * one (ignoring the original text). */ compl = compl_first_match; i = 0; do { if (compl == NULL || ((compl->cp_flags & ORIGINAL_TEXT) == 0 && ++i == 2)) break; compl = compl->cp_next; } while (compl != compl_first_match); if (strstr((char *)p_cot, "menuone") != NULL) return (i >= 1); return (i >= 2); } /* * Show the popup menu for the list of matches. * Also adjusts "compl_shown_match" to an entry that is actually displayed. */ void ins_compl_show_pum() { compl_T *compl; compl_T *shown_compl = NULL; int did_find_shown_match = FALSE; int shown_match_ok = FALSE; int i; int cur = -1; colnr_T col; int lead_len = 0; if (!pum_wanted() || !pum_enough_matches()) return; #if defined(FEAT_EVAL) /* Dirty hard-coded hack: remove any matchparen highlighting. */ do_cmdline_cmd((char_u *)"if exists('g:loaded_matchparen')|3match none|endif"); #endif /* Update the screen before drawing the popup menu over it. */ update_screen(0); if (compl_match_array == NULL) { /* Need to build the popup menu list. */ compl_match_arraysize = 0; compl = compl_first_match; if (compl_leader != NULL) lead_len = (int)STRLEN(compl_leader); do { if ((compl->cp_flags & ORIGINAL_TEXT) == 0 && (compl_leader == NULL || ins_compl_equal(compl, compl_leader, lead_len))) ++compl_match_arraysize; compl = compl->cp_next; } while (compl != NULL && compl != compl_first_match); if (compl_match_arraysize == 0) return; compl_match_array = (pumitem_T *)alloc_clear( (unsigned)(sizeof(pumitem_T) * compl_match_arraysize)); if (compl_match_array != NULL) { /* If the current match is the original text don't find the first * match after it, don't highlight anything. */ if (compl_shown_match->cp_flags & ORIGINAL_TEXT) shown_match_ok = TRUE; i = 0; compl = compl_first_match; do { if ((compl->cp_flags & ORIGINAL_TEXT) == 0 && (compl_leader == NULL || ins_compl_equal(compl, compl_leader, lead_len))) { if (!shown_match_ok) { if (compl == compl_shown_match || did_find_shown_match) { /* This item is the shown match or this is the * first displayed item after the shown match. */ compl_shown_match = compl; did_find_shown_match = TRUE; shown_match_ok = TRUE; } else /* Remember this displayed match for when the * shown match is just below it. */ shown_compl = compl; cur = i; } if (compl->cp_text[CPT_ABBR] != NULL) compl_match_array[i].pum_text = compl->cp_text[CPT_ABBR]; else compl_match_array[i].pum_text = compl->cp_str; compl_match_array[i].pum_kind = compl->cp_text[CPT_KIND]; compl_match_array[i].pum_info = compl->cp_text[CPT_INFO]; if (compl->cp_text[CPT_MENU] != NULL) compl_match_array[i++].pum_extra = compl->cp_text[CPT_MENU]; else compl_match_array[i++].pum_extra = compl->cp_fname; } if (compl == compl_shown_match) { did_find_shown_match = TRUE; /* When the original text is the shown match don't set * compl_shown_match. */ if (compl->cp_flags & ORIGINAL_TEXT) shown_match_ok = TRUE; if (!shown_match_ok && shown_compl != NULL) { /* The shown match isn't displayed, set it to the * previously displayed match. */ compl_shown_match = shown_compl; shown_match_ok = TRUE; } } compl = compl->cp_next; } while (compl != NULL && compl != compl_first_match); if (!shown_match_ok) /* no displayed match at all */ cur = -1; } } else { /* popup menu already exists, only need to find the current item.*/ for (i = 0; i < compl_match_arraysize; ++i) if (compl_match_array[i].pum_text == compl_shown_match->cp_str || compl_match_array[i].pum_text == compl_shown_match->cp_text[CPT_ABBR]) { cur = i; break; } } if (compl_match_array != NULL) { /* Compute the screen column of the start of the completed text. * Use the cursor to get all wrapping and other settings right. */ col = curwin->w_cursor.col; curwin->w_cursor.col = compl_col; pum_display(compl_match_array, compl_match_arraysize, cur); curwin->w_cursor.col = col; } } #define DICT_FIRST (1) /* use just first element in "dict" */ #define DICT_EXACT (2) /* "dict" is the exact name of a file */ /* * Add any identifiers that match the given pattern in the list of dictionary * files "dict_start" to the list of completions. */ static void ins_compl_dictionaries(dict_start, pat, flags, thesaurus) char_u *dict_start; char_u *pat; int flags; /* DICT_FIRST and/or DICT_EXACT */ int thesaurus; /* Thesaurus completion */ { char_u *dict = dict_start; char_u *ptr; char_u *buf; regmatch_T regmatch; char_u **files; int count; int save_p_scs; int dir = compl_direction; if (*dict == NUL) { #ifdef FEAT_SPELL /* When 'dictionary' is empty and spell checking is enabled use * "spell". */ if (!thesaurus && curwin->w_p_spell) dict = (char_u *)"spell"; else #endif return; } buf = alloc(LSIZE); if (buf == NULL) return; regmatch.regprog = NULL; /* so that we can goto theend */ /* If 'infercase' is set, don't use 'smartcase' here */ save_p_scs = p_scs; if (curbuf->b_p_inf) p_scs = FALSE; /* When invoked to match whole lines for CTRL-X CTRL-L adjust the pattern * to only match at the start of a line. Otherwise just match the * pattern. Also need to double backslashes. */ if (ctrl_x_mode == CTRL_X_WHOLE_LINE) { char_u *pat_esc = vim_strsave_escaped(pat, (char_u *)"\\"); size_t len; if (pat_esc == NULL) goto theend; len = STRLEN(pat_esc) + 10; ptr = alloc((unsigned)len); if (ptr == NULL) { vim_free(pat_esc); goto theend; } vim_snprintf((char *)ptr, len, "^\\s*\\zs\\V%s", pat_esc); regmatch.regprog = vim_regcomp(ptr, RE_MAGIC); vim_free(pat_esc); vim_free(ptr); } else { regmatch.regprog = vim_regcomp(pat, p_magic ? RE_MAGIC : 0); if (regmatch.regprog == NULL) goto theend; } /* ignore case depends on 'ignorecase', 'smartcase' and "pat" */ regmatch.rm_ic = ignorecase(pat); while (*dict != NUL && !got_int && !compl_interrupted) { /* copy one dictionary file name into buf */ if (flags == DICT_EXACT) { count = 1; files = &dict; } else { /* Expand wildcards in the dictionary name, but do not allow * backticks (for security, the 'dict' option may have been set in * a modeline). */ copy_option_part(&dict, buf, LSIZE, ","); # ifdef FEAT_SPELL if (!thesaurus && STRCMP(buf, "spell") == 0) count = -1; else # endif if (vim_strchr(buf, '`') != NULL || expand_wildcards(1, &buf, &count, &files, EW_FILE|EW_SILENT) != OK) count = 0; } # ifdef FEAT_SPELL if (count == -1) { /* Complete from active spelling. Skip "\<" in the pattern, we * don't use it as a RE. */ if (pat[0] == '\\' && pat[1] == '<') ptr = pat + 2; else ptr = pat; spell_dump_compl(curbuf, ptr, regmatch.rm_ic, &dir, 0); } else # endif if (count > 0) /* avoid warning for using "files" uninit */ { ins_compl_files(count, files, thesaurus, flags, ®match, buf, &dir); if (flags != DICT_EXACT) FreeWild(count, files); } if (flags != 0) break; } theend: p_scs = save_p_scs; vim_free(regmatch.regprog); vim_free(buf); } static void ins_compl_files(count, files, thesaurus, flags, regmatch, buf, dir) int count; char_u **files; int thesaurus; int flags; regmatch_T *regmatch; char_u *buf; int *dir; { char_u *ptr; int i; FILE *fp; int add_r; for (i = 0; i < count && !got_int && !compl_interrupted; i++) { fp = mch_fopen((char *)files[i], "r"); /* open dictionary file */ if (flags != DICT_EXACT) { vim_snprintf((char *)IObuff, IOSIZE, _("Scanning dictionary: %s"), (char *)files[i]); (void)msg_trunc_attr(IObuff, TRUE, hl_attr(HLF_R)); } if (fp != NULL) { /* * Read dictionary file line by line. * Check each line for a match. */ while (!got_int && !compl_interrupted && !vim_fgets(buf, LSIZE, fp)) { ptr = buf; while (vim_regexec(regmatch, buf, (colnr_T)(ptr - buf))) { ptr = regmatch->startp[0]; if (ctrl_x_mode == CTRL_X_WHOLE_LINE) ptr = find_line_end(ptr); else ptr = find_word_end(ptr); add_r = ins_compl_add_infercase(regmatch->startp[0], (int)(ptr - regmatch->startp[0]), p_ic, files[i], *dir, 0); if (thesaurus) { char_u *wstart; /* * Add the other matches on the line */ ptr = buf; while (!got_int) { /* Find start of the next word. Skip white * space and punctuation. */ ptr = find_word_start(ptr); if (*ptr == NUL || *ptr == NL) break; wstart = ptr; /* Find end of the word. */ #ifdef FEAT_MBYTE if (has_mbyte) /* Japanese words may have characters in * different classes, only separate words * with single-byte non-word characters. */ while (*ptr != NUL) { int l = (*mb_ptr2len)(ptr); if (l < 2 && !vim_iswordc(*ptr)) break; ptr += l; } else #endif ptr = find_word_end(ptr); /* Add the word. Skip the regexp match. */ if (wstart != regmatch->startp[0]) add_r = ins_compl_add_infercase(wstart, (int)(ptr - wstart), p_ic, files[i], *dir, 0); } } if (add_r == OK) /* if dir was BACKWARD then honor it just once */ *dir = FORWARD; else if (add_r == FAIL) break; /* avoid expensive call to vim_regexec() when at end * of line */ if (*ptr == '\n' || got_int) break; } line_breakcheck(); ins_compl_check_keys(50); } fclose(fp); } } } /* * Find the start of the next word. * Returns a pointer to the first char of the word. Also stops at a NUL. */ char_u * find_word_start(ptr) char_u *ptr; { #ifdef FEAT_MBYTE if (has_mbyte) while (*ptr != NUL && *ptr != '\n' && mb_get_class(ptr) <= 1) ptr += (*mb_ptr2len)(ptr); else #endif while (*ptr != NUL && *ptr != '\n' && !vim_iswordc(*ptr)) ++ptr; return ptr; } /* * Find the end of the word. Assumes it starts inside a word. * Returns a pointer to just after the word. */ char_u * find_word_end(ptr) char_u *ptr; { #ifdef FEAT_MBYTE int start_class; if (has_mbyte) { start_class = mb_get_class(ptr); if (start_class > 1) while (*ptr != NUL) { ptr += (*mb_ptr2len)(ptr); if (mb_get_class(ptr) != start_class) break; } } else #endif while (vim_iswordc(*ptr)) ++ptr; return ptr; } /* * Find the end of the line, omitting CR and NL at the end. * Returns a pointer to just after the line. */ static char_u * find_line_end(ptr) char_u *ptr; { char_u *s; s = ptr + STRLEN(ptr); while (s > ptr && (s[-1] == CAR || s[-1] == NL)) --s; return s; } /* * Free the list of completions */ static void ins_compl_free() { compl_T *match; int i; vim_free(compl_pattern); compl_pattern = NULL; vim_free(compl_leader); compl_leader = NULL; if (compl_first_match == NULL) return; ins_compl_del_pum(); pum_clear(); compl_curr_match = compl_first_match; do { match = compl_curr_match; compl_curr_match = compl_curr_match->cp_next; vim_free(match->cp_str); /* several entries may use the same fname, free it just once. */ if (match->cp_flags & FREE_FNAME) vim_free(match->cp_fname); for (i = 0; i < CPT_COUNT; ++i) vim_free(match->cp_text[i]); vim_free(match); } while (compl_curr_match != NULL && compl_curr_match != compl_first_match); compl_first_match = compl_curr_match = NULL; } static void ins_compl_clear() { compl_cont_status = 0; compl_started = FALSE; compl_matches = 0; vim_free(compl_pattern); compl_pattern = NULL; vim_free(compl_leader); compl_leader = NULL; edit_submode_extra = NULL; vim_free(compl_orig_text); compl_orig_text = NULL; compl_enter_selects = FALSE; } /* * Return TRUE when Insert completion is active. */ int ins_compl_active() { return compl_started; } /* * Delete one character before the cursor and show the subset of the matches * that match the word that is now before the cursor. * Returns the character to be used, NUL if the work is done and another char * to be got from the user. */ static int ins_compl_bs() { char_u *line; char_u *p; line = ml_get_curline(); p = line + curwin->w_cursor.col; mb_ptr_back(line, p); /* Stop completion when the whole word was deleted. For Omni completion * allow the word to be deleted, we won't match everything. */ if ((int)(p - line) - (int)compl_col < 0 || ((int)(p - line) - (int)compl_col == 0 && (ctrl_x_mode & CTRL_X_OMNI) == 0)) return K_BS; /* Deleted more than what was used to find matches or didn't finish * finding all matches: need to look for matches all over again. */ if (curwin->w_cursor.col <= compl_col + compl_length || compl_was_interrupted) ins_compl_restart(); vim_free(compl_leader); compl_leader = vim_strnsave(line + compl_col, (int)(p - line) - compl_col); if (compl_leader != NULL) { ins_compl_new_leader(); return NUL; } return K_BS; } /* * Called after changing "compl_leader". * Show the popup menu with a different set of matches. * May also search for matches again if the previous search was interrupted. */ static void ins_compl_new_leader() { ins_compl_del_pum(); ins_compl_delete(); ins_bytes(compl_leader + ins_compl_len()); compl_used_match = FALSE; if (compl_started) ins_compl_set_original_text(compl_leader); else { #ifdef FEAT_SPELL spell_bad_len = 0; /* need to redetect bad word */ #endif /* * Matches were cleared, need to search for them now. First display * the changed text before the cursor. Set "compl_restarting" to * avoid that the first match is inserted. */ update_screen(0); #ifdef FEAT_GUI if (gui.in_use) { /* Show the cursor after the match, not after the redrawn text. */ setcursor(); out_flush(); gui_update_cursor(FALSE, FALSE); } #endif compl_restarting = TRUE; if (ins_complete(Ctrl_N) == FAIL) compl_cont_status = 0; compl_restarting = FALSE; } #if 0 /* disabled, made CTRL-L, BS and typing char jump to original text. */ if (!compl_used_match) { /* Go to the original text, since none of the matches is inserted. */ if (compl_first_match->cp_prev != NULL && (compl_first_match->cp_prev->cp_flags & ORIGINAL_TEXT)) compl_shown_match = compl_first_match->cp_prev; else compl_shown_match = compl_first_match; compl_curr_match = compl_shown_match; compl_shows_dir = compl_direction; } #endif compl_enter_selects = !compl_used_match; /* Show the popup menu with a different set of matches. */ ins_compl_show_pum(); /* Don't let Enter select the original text when there is no popup menu. */ if (compl_match_array == NULL) compl_enter_selects = FALSE; } /* * Return the length of the completion, from the completion start column to * the cursor column. Making sure it never goes below zero. */ static int ins_compl_len() { int off = (int)curwin->w_cursor.col - (int)compl_col; if (off < 0) return 0; return off; } /* * Append one character to the match leader. May reduce the number of * matches. */ static void ins_compl_addleader(c) int c; { #ifdef FEAT_MBYTE int cc; if (has_mbyte && (cc = (*mb_char2len)(c)) > 1) { char_u buf[MB_MAXBYTES + 1]; (*mb_char2bytes)(c, buf); buf[cc] = NUL; ins_char_bytes(buf, cc); } else #endif ins_char(c); /* If we didn't complete finding matches we must search again. */ if (compl_was_interrupted) ins_compl_restart(); vim_free(compl_leader); compl_leader = vim_strnsave(ml_get_curline() + compl_col, (int)(curwin->w_cursor.col - compl_col)); if (compl_leader != NULL) ins_compl_new_leader(); } /* * Setup for finding completions again without leaving CTRL-X mode. Used when * BS or a key was typed while still searching for matches. */ static void ins_compl_restart() { ins_compl_free(); compl_started = FALSE; compl_matches = 0; compl_cont_status = 0; compl_cont_mode = 0; } /* * Set the first match, the original text. */ static void ins_compl_set_original_text(str) char_u *str; { char_u *p; /* Replace the original text entry. */ if (compl_first_match->cp_flags & ORIGINAL_TEXT) /* safety check */ { p = vim_strsave(str); if (p != NULL) { vim_free(compl_first_match->cp_str); compl_first_match->cp_str = p; } } } /* * Append one character to the match leader. May reduce the number of * matches. */ static void ins_compl_addfrommatch() { char_u *p; int len = (int)curwin->w_cursor.col - (int)compl_col; int c; compl_T *cp; p = compl_shown_match->cp_str; if ((int)STRLEN(p) <= len) /* the match is too short */ { /* When still at the original match use the first entry that matches * the leader. */ if (compl_shown_match->cp_flags & ORIGINAL_TEXT) { p = NULL; for (cp = compl_shown_match->cp_next; cp != NULL && cp != compl_first_match; cp = cp->cp_next) { if (compl_leader == NULL || ins_compl_equal(cp, compl_leader, (int)STRLEN(compl_leader))) { p = cp->cp_str; break; } } if (p == NULL || (int)STRLEN(p) <= len) return; } else return; } p += len; #ifdef FEAT_MBYTE c = mb_ptr2char(p); #else c = *p; #endif ins_compl_addleader(c); } /* * Prepare for Insert mode completion, or stop it. * Called just after typing a character in Insert mode. * Returns TRUE when the character is not to be inserted; */ static int ins_compl_prep(c) int c; { char_u *ptr; int want_cindent; int retval = FALSE; /* Forget any previous 'special' messages if this is actually * a ^X mode key - bar ^R, in which case we wait to see what it gives us. */ if (c != Ctrl_R && vim_is_ctrl_x_key(c)) edit_submode_extra = NULL; /* Ignore end of Select mode mapping and mouse scroll buttons. */ if (c == K_SELECT || c == K_MOUSEDOWN || c == K_MOUSEUP) return retval; /* Set "compl_get_longest" when finding the first matches. */ if (ctrl_x_mode == CTRL_X_NOT_DEFINED_YET || (ctrl_x_mode == 0 && !compl_started)) { compl_get_longest = (vim_strchr(p_cot, 'l') != NULL); compl_used_match = TRUE; } if (ctrl_x_mode == CTRL_X_NOT_DEFINED_YET) { /* * We have just typed CTRL-X and aren't quite sure which CTRL-X mode * it will be yet. Now we decide. */ switch (c) { case Ctrl_E: case Ctrl_Y: ctrl_x_mode = CTRL_X_SCROLL; if (!(State & REPLACE_FLAG)) edit_submode = (char_u *)_(" (insert) Scroll (^E/^Y)"); else edit_submode = (char_u *)_(" (replace) Scroll (^E/^Y)"); edit_submode_pre = NULL; showmode(); break; case Ctrl_L: ctrl_x_mode = CTRL_X_WHOLE_LINE; break; case Ctrl_F: ctrl_x_mode = CTRL_X_FILES; break; case Ctrl_K: ctrl_x_mode = CTRL_X_DICTIONARY; break; case Ctrl_R: /* Simply allow ^R to happen without affecting ^X mode */ break; case Ctrl_T: ctrl_x_mode = CTRL_X_THESAURUS; break; #ifdef FEAT_COMPL_FUNC case Ctrl_U: ctrl_x_mode = CTRL_X_FUNCTION; break; case Ctrl_O: ctrl_x_mode = CTRL_X_OMNI; break; #endif case 's': case Ctrl_S: ctrl_x_mode = CTRL_X_SPELL; #ifdef FEAT_SPELL ++emsg_off; /* Avoid getting the E756 error twice. */ spell_back_to_badword(); --emsg_off; #endif break; case Ctrl_RSB: ctrl_x_mode = CTRL_X_TAGS; break; #ifdef FEAT_FIND_ID case Ctrl_I: case K_S_TAB: ctrl_x_mode = CTRL_X_PATH_PATTERNS; break; case Ctrl_D: ctrl_x_mode = CTRL_X_PATH_DEFINES; break; #endif case Ctrl_V: case Ctrl_Q: ctrl_x_mode = CTRL_X_CMDLINE; break; case Ctrl_P: case Ctrl_N: /* ^X^P means LOCAL expansion if nothing interrupted (eg we * just started ^X mode, or there were enough ^X's to cancel * the previous mode, say ^X^F^X^X^P or ^P^X^X^X^P, see below) * do normal expansion when interrupting a different mode (say * ^X^F^X^P or ^P^X^X^P, see below) * nothing changes if interrupting mode 0, (eg, the flag * doesn't change when going to ADDING mode -- Acevedo */ if (!(compl_cont_status & CONT_INTRPT)) compl_cont_status |= CONT_LOCAL; else if (compl_cont_mode != 0) compl_cont_status &= ~CONT_LOCAL; /* FALLTHROUGH */ default: /* If we have typed at least 2 ^X's... for modes != 0, we set * compl_cont_status = 0 (eg, as if we had just started ^X * mode). * For mode 0, we set "compl_cont_mode" to an impossible * value, in both cases ^X^X can be used to restart the same * mode (avoiding ADDING mode). * Undocumented feature: In a mode != 0 ^X^P and ^X^X^P start * 'complete' and local ^P expansions respectively. * In mode 0 an extra ^X is needed since ^X^P goes to ADDING * mode -- Acevedo */ if (c == Ctrl_X) { if (compl_cont_mode != 0) compl_cont_status = 0; else compl_cont_mode = CTRL_X_NOT_DEFINED_YET; } ctrl_x_mode = 0; edit_submode = NULL; showmode(); break; } } else if (ctrl_x_mode != 0) { /* We're already in CTRL-X mode, do we stay in it? */ if (!vim_is_ctrl_x_key(c)) { if (ctrl_x_mode == CTRL_X_SCROLL) ctrl_x_mode = 0; else ctrl_x_mode = CTRL_X_FINISHED; edit_submode = NULL; } showmode(); } if (compl_started || ctrl_x_mode == CTRL_X_FINISHED) { /* Show error message from attempted keyword completion (probably * 'Pattern not found') until another key is hit, then go back to * showing what mode we are in. */ showmode(); if ((ctrl_x_mode == 0 && c != Ctrl_N && c != Ctrl_P && c != Ctrl_R && !ins_compl_pum_key(c)) || ctrl_x_mode == CTRL_X_FINISHED) { /* Get here when we have finished typing a sequence of ^N and * ^P or other completion characters in CTRL-X mode. Free up * memory that was used, and make sure we can redo the insert. */ if (compl_curr_match != NULL || compl_leader != NULL || c == Ctrl_E) { char_u *p; int temp = 0; /* * If any of the original typed text has been changed, eg when * ignorecase is set, we must add back-spaces to the redo * buffer. We add as few as necessary to delete just the part * of the original text that has changed. * When using the longest match, edited the match or used * CTRL-E then don't use the current match. */ if (compl_curr_match != NULL && compl_used_match && c != Ctrl_E) ptr = compl_curr_match->cp_str; else if (compl_leader != NULL) ptr = compl_leader; else ptr = compl_orig_text; if (compl_orig_text != NULL) { p = compl_orig_text; for (temp = 0; p[temp] != NUL && p[temp] == ptr[temp]; ++temp) ; #ifdef FEAT_MBYTE if (temp > 0) temp -= (*mb_head_off)(compl_orig_text, p + temp); #endif for (p += temp; *p != NUL; mb_ptr_adv(p)) AppendCharToRedobuff(K_BS); } if (ptr != NULL) AppendToRedobuffLit(ptr + temp, -1); } #ifdef FEAT_CINDENT want_cindent = (can_cindent && cindent_on()); #endif /* * When completing whole lines: fix indent for 'cindent'. * Otherwise, break line if it's too long. */ if (compl_cont_mode == CTRL_X_WHOLE_LINE) { #ifdef FEAT_CINDENT /* re-indent the current line */ if (want_cindent) { do_c_expr_indent(); want_cindent = FALSE; /* don't do it again */ } #endif } else { int prev_col = curwin->w_cursor.col; /* put the cursor on the last char, for 'tw' formatting */ if (prev_col > 0) dec_cursor(); if (stop_arrow() == OK) insertchar(NUL, 0, -1); if (prev_col > 0 && ml_get_curline()[curwin->w_cursor.col] != NUL) inc_cursor(); } /* If the popup menu is displayed pressing CTRL-Y means accepting * the selection without inserting anything. When * compl_enter_selects is set the Enter key does the same. */ if ((c == Ctrl_Y || (compl_enter_selects && (c == CAR || c == K_KENTER || c == NL))) && pum_visible()) retval = TRUE; /* CTRL-E means completion is Ended, go back to the typed text. */ if (c == Ctrl_E) { ins_compl_delete(); if (compl_leader != NULL) ins_bytes(compl_leader + ins_compl_len()); else if (compl_first_match != NULL) ins_bytes(compl_orig_text + ins_compl_len()); retval = TRUE; } auto_format(FALSE, TRUE); ins_compl_free(); compl_started = FALSE; compl_matches = 0; msg_clr_cmdline(); /* necessary for "noshowmode" */ ctrl_x_mode = 0; compl_enter_selects = FALSE; if (edit_submode != NULL) { edit_submode = NULL; showmode(); } #ifdef FEAT_CINDENT /* * Indent now if a key was typed that is in 'cinkeys'. */ if (want_cindent && in_cinkeys(KEY_COMPLETE, ' ', inindent(0))) do_c_expr_indent(); #endif } } /* reset continue_* if we left expansion-mode, if we stay they'll be * (re)set properly in ins_complete() */ if (!vim_is_ctrl_x_key(c)) { compl_cont_status = 0; compl_cont_mode = 0; } return retval; } /* * Loops through the list of windows, loaded-buffers or non-loaded-buffers * (depending on flag) starting from buf and looking for a non-scanned * buffer (other than curbuf). curbuf is special, if it is called with * buf=curbuf then it has to be the first call for a given flag/expansion. * * Returns the buffer to scan, if any, otherwise returns curbuf -- Acevedo */ static buf_T * ins_compl_next_buf(buf, flag) buf_T *buf; int flag; { #ifdef FEAT_WINDOWS static win_T *wp; #endif if (flag == 'w') /* just windows */ { #ifdef FEAT_WINDOWS if (buf == curbuf) /* first call for this flag/expansion */ wp = curwin; while ((wp = (wp->w_next != NULL ? wp->w_next : firstwin)) != curwin && wp->w_buffer->b_scanned) ; buf = wp->w_buffer; #else buf = curbuf; #endif } else /* 'b' (just loaded buffers), 'u' (just non-loaded buffers) or 'U' * (unlisted buffers) * When completing whole lines skip unloaded buffers. */ while ((buf = (buf->b_next != NULL ? buf->b_next : firstbuf)) != curbuf && ((flag == 'U' ? buf->b_p_bl : (!buf->b_p_bl || (buf->b_ml.ml_mfp == NULL) != (flag == 'u'))) || buf->b_scanned)) ; return buf; } #ifdef FEAT_COMPL_FUNC static void expand_by_function __ARGS((int type, char_u *base)); /* * Execute user defined complete function 'completefunc' or 'omnifunc', and * get matches in "matches". */ static void expand_by_function(type, base) int type; /* CTRL_X_OMNI or CTRL_X_FUNCTION */ char_u *base; { list_T *matchlist; char_u *args[2]; char_u *funcname; pos_T pos; funcname = (type == CTRL_X_FUNCTION) ? curbuf->b_p_cfu : curbuf->b_p_ofu; if (*funcname == NUL) return; /* Call 'completefunc' to obtain the list of matches. */ args[0] = (char_u *)"0"; args[1] = base; pos = curwin->w_cursor; matchlist = call_func_retlist(funcname, 2, args, FALSE); curwin->w_cursor = pos; /* restore the cursor position */ if (matchlist == NULL) return; ins_compl_add_list(matchlist); list_unref(matchlist); } #endif /* FEAT_COMPL_FUNC */ #if defined(FEAT_COMPL_FUNC) || defined(FEAT_EVAL) || defined(PROTO) /* * Add completions from a list. */ static void ins_compl_add_list(list) list_T *list; { listitem_T *li; int dir = compl_direction; /* Go through the List with matches and add each of them. */ for (li = list->lv_first; li != NULL; li = li->li_next) { if (ins_compl_add_tv(&li->li_tv, dir) == OK) /* if dir was BACKWARD then honor it just once */ dir = FORWARD; else if (did_emsg) break; } } /* * Add a match to the list of matches from a typeval_T. * If the given string is already in the list of completions, then return * NOTDONE, otherwise add it to the list and return OK. If there is an error, * maybe because alloc() returns NULL, then FAIL is returned. */ int ins_compl_add_tv(tv, dir) typval_T *tv; int dir; { char_u *word; int icase = FALSE; int adup = FALSE; char_u *(cptext[CPT_COUNT]); if (tv->v_type == VAR_DICT && tv->vval.v_dict != NULL) { word = get_dict_string(tv->vval.v_dict, (char_u *)"word", FALSE); cptext[CPT_ABBR] = get_dict_string(tv->vval.v_dict, (char_u *)"abbr", FALSE); cptext[CPT_MENU] = get_dict_string(tv->vval.v_dict, (char_u *)"menu", FALSE); cptext[CPT_KIND] = get_dict_string(tv->vval.v_dict, (char_u *)"kind", FALSE); cptext[CPT_INFO] = get_dict_string(tv->vval.v_dict, (char_u *)"info", FALSE); if (get_dict_string(tv->vval.v_dict, (char_u *)"icase", FALSE) != NULL) icase = get_dict_number(tv->vval.v_dict, (char_u *)"icase"); if (get_dict_string(tv->vval.v_dict, (char_u *)"dup", FALSE) != NULL) adup = get_dict_number(tv->vval.v_dict, (char_u *)"dup"); } else { word = get_tv_string_chk(tv); vim_memset(cptext, 0, sizeof(cptext)); } if (word == NULL || *word == NUL) return FAIL; return ins_compl_add(word, -1, icase, NULL, cptext, dir, 0, adup); } #endif /* * Get the next expansion(s), using "compl_pattern". * The search starts at position "ini" in curbuf and in the direction * compl_direction. * When "compl_started" is FALSE start at that position, otherwise continue * where we stopped searching before. * This may return before finding all the matches. * Return the total number of matches or -1 if still unknown -- Acevedo */ static int ins_compl_get_exp(ini) pos_T *ini; { static pos_T first_match_pos; static pos_T last_match_pos; static char_u *e_cpt = (char_u *)""; /* curr. entry in 'complete' */ static int found_all = FALSE; /* Found all matches of a certain type. */ static buf_T *ins_buf = NULL; /* buffer being scanned */ pos_T *pos; char_u **matches; int save_p_scs; int save_p_ws; int save_p_ic; int i; int num_matches; int len; int found_new_match; int type = ctrl_x_mode; char_u *ptr; char_u *dict = NULL; int dict_f = 0; compl_T *old_match; if (!compl_started) { for (ins_buf = firstbuf; ins_buf != NULL; ins_buf = ins_buf->b_next) ins_buf->b_scanned = 0; found_all = FALSE; ins_buf = curbuf; e_cpt = (compl_cont_status & CONT_LOCAL) ? (char_u *)"." : curbuf->b_p_cpt; last_match_pos = first_match_pos = *ini; } old_match = compl_curr_match; /* remember the last current match */ pos = (compl_direction == FORWARD) ? &last_match_pos : &first_match_pos; /* For ^N/^P loop over all the flags/windows/buffers in 'complete' */ for (;;) { found_new_match = FAIL; /* For ^N/^P pick a new entry from e_cpt if compl_started is off, * or if found_all says this entry is done. For ^X^L only use the * entries from 'complete' that look in loaded buffers. */ if ((ctrl_x_mode == 0 || ctrl_x_mode == CTRL_X_WHOLE_LINE) && (!compl_started || found_all)) { found_all = FALSE; while (*e_cpt == ',' || *e_cpt == ' ') e_cpt++; if (*e_cpt == '.' && !curbuf->b_scanned) { ins_buf = curbuf; first_match_pos = *ini; /* So that ^N can match word immediately after cursor */ if (ctrl_x_mode == 0) dec(&first_match_pos); last_match_pos = first_match_pos; type = 0; } else if (vim_strchr((char_u *)"buwU", *e_cpt) != NULL && (ins_buf = ins_compl_next_buf(ins_buf, *e_cpt)) != curbuf) { /* Scan a buffer, but not the current one. */ if (ins_buf->b_ml.ml_mfp != NULL) /* loaded buffer */ { compl_started = TRUE; first_match_pos.col = last_match_pos.col = 0; first_match_pos.lnum = ins_buf->b_ml.ml_line_count + 1; last_match_pos.lnum = 0; type = 0; } else /* unloaded buffer, scan like dictionary */ { found_all = TRUE; if (ins_buf->b_fname == NULL) continue; type = CTRL_X_DICTIONARY; dict = ins_buf->b_fname; dict_f = DICT_EXACT; } vim_snprintf((char *)IObuff, IOSIZE, _("Scanning: %s"), ins_buf->b_fname == NULL ? buf_spname(ins_buf) : ins_buf->b_sfname == NULL ? (char *)ins_buf->b_fname : (char *)ins_buf->b_sfname); (void)msg_trunc_attr(IObuff, TRUE, hl_attr(HLF_R)); } else if (*e_cpt == NUL) break; else { if (ctrl_x_mode == CTRL_X_WHOLE_LINE) type = -1; else if (*e_cpt == 'k' || *e_cpt == 's') { if (*e_cpt == 'k') type = CTRL_X_DICTIONARY; else type = CTRL_X_THESAURUS; if (*++e_cpt != ',' && *e_cpt != NUL) { dict = e_cpt; dict_f = DICT_FIRST; } } #ifdef FEAT_FIND_ID else if (*e_cpt == 'i') type = CTRL_X_PATH_PATTERNS; else if (*e_cpt == 'd') type = CTRL_X_PATH_DEFINES; #endif else if (*e_cpt == ']' || *e_cpt == 't') { type = CTRL_X_TAGS; vim_snprintf((char *)IObuff, IOSIZE, _("Scanning tags.")); (void)msg_trunc_attr(IObuff, TRUE, hl_attr(HLF_R)); } else type = -1; /* in any case e_cpt is advanced to the next entry */ (void)copy_option_part(&e_cpt, IObuff, IOSIZE, ","); found_all = TRUE; if (type == -1) continue; } } switch (type) { case -1: break; #ifdef FEAT_FIND_ID case CTRL_X_PATH_PATTERNS: case CTRL_X_PATH_DEFINES: find_pattern_in_path(compl_pattern, compl_direction, (int)STRLEN(compl_pattern), FALSE, FALSE, (type == CTRL_X_PATH_DEFINES && !(compl_cont_status & CONT_SOL)) ? FIND_DEFINE : FIND_ANY, 1L, ACTION_EXPAND, (linenr_T)1, (linenr_T)MAXLNUM); break; #endif case CTRL_X_DICTIONARY: case CTRL_X_THESAURUS: ins_compl_dictionaries( dict != NULL ? dict : (type == CTRL_X_THESAURUS ? (*curbuf->b_p_tsr == NUL ? p_tsr : curbuf->b_p_tsr) : (*curbuf->b_p_dict == NUL ? p_dict : curbuf->b_p_dict)), compl_pattern, dict != NULL ? dict_f : 0, type == CTRL_X_THESAURUS); dict = NULL; break; case CTRL_X_TAGS: /* set p_ic according to p_ic, p_scs and pat for find_tags(). */ save_p_ic = p_ic; p_ic = ignorecase(compl_pattern); /* Find up to TAG_MANY matches. Avoids that an enourmous number * of matches is found when compl_pattern is empty */ if (find_tags(compl_pattern, &num_matches, &matches, TAG_REGEXP | TAG_NAMES | TAG_NOIC | TAG_INS_COMP | (ctrl_x_mode ? TAG_VERBOSE : 0), TAG_MANY, curbuf->b_ffname) == OK && num_matches > 0) { ins_compl_add_matches(num_matches, matches, p_ic); } p_ic = save_p_ic; break; case CTRL_X_FILES: if (expand_wildcards(1, &compl_pattern, &num_matches, &matches, EW_FILE|EW_DIR|EW_ADDSLASH|EW_SILENT) == OK) { /* May change home directory back to "~". */ tilde_replace(compl_pattern, num_matches, matches); ins_compl_add_matches(num_matches, matches, #ifdef CASE_INSENSITIVE_FILENAME TRUE #else FALSE #endif ); } break; case CTRL_X_CMDLINE: if (expand_cmdline(&compl_xp, compl_pattern, (int)STRLEN(compl_pattern), &num_matches, &matches) == EXPAND_OK) ins_compl_add_matches(num_matches, matches, FALSE); break; #ifdef FEAT_COMPL_FUNC case CTRL_X_FUNCTION: case CTRL_X_OMNI: expand_by_function(type, compl_pattern); break; #endif case CTRL_X_SPELL: #ifdef FEAT_SPELL num_matches = expand_spelling(first_match_pos.lnum, compl_pattern, &matches); if (num_matches > 0) ins_compl_add_matches(num_matches, matches, p_ic); #endif break; default: /* normal ^P/^N and ^X^L */ /* * If 'infercase' is set, don't use 'smartcase' here */ save_p_scs = p_scs; if (ins_buf->b_p_inf) p_scs = FALSE; /* buffers other than curbuf are scanned from the beginning or the * end but never from the middle, thus setting nowrapscan in this * buffers is a good idea, on the other hand, we always set * wrapscan for curbuf to avoid missing matches -- Acevedo,Webb */ save_p_ws = p_ws; if (ins_buf != curbuf) p_ws = FALSE; else if (*e_cpt == '.') p_ws = TRUE; for (;;) { int flags = 0; ++msg_silent; /* Don't want messages for wrapscan. */ /* ctrl_x_mode == CTRL_X_WHOLE_LINE || word-wise search that * has added a word that was at the beginning of the line */ if ( ctrl_x_mode == CTRL_X_WHOLE_LINE || (compl_cont_status & CONT_SOL)) found_new_match = search_for_exact_line(ins_buf, pos, compl_direction, compl_pattern); else found_new_match = searchit(NULL, ins_buf, pos, compl_direction, compl_pattern, 1L, SEARCH_KEEP + SEARCH_NFMSG, RE_LAST, (linenr_T)0, NULL); --msg_silent; if (!compl_started) { /* set "compl_started" even on fail */ compl_started = TRUE; first_match_pos = *pos; last_match_pos = *pos; } else if (first_match_pos.lnum == last_match_pos.lnum && first_match_pos.col == last_match_pos.col) found_new_match = FAIL; if (found_new_match == FAIL) { if (ins_buf == curbuf) found_all = TRUE; break; } /* when ADDING, the text before the cursor matches, skip it */ if ( (compl_cont_status & CONT_ADDING) && ins_buf == curbuf && ini->lnum == pos->lnum && ini->col == pos->col) continue; ptr = ml_get_buf(ins_buf, pos->lnum, FALSE) + pos->col; if (ctrl_x_mode == CTRL_X_WHOLE_LINE) { if (compl_cont_status & CONT_ADDING) { if (pos->lnum >= ins_buf->b_ml.ml_line_count) continue; ptr = ml_get_buf(ins_buf, pos->lnum + 1, FALSE); if (!p_paste) ptr = skipwhite(ptr); } len = (int)STRLEN(ptr); } else { char_u *tmp_ptr = ptr; if (compl_cont_status & CONT_ADDING) { tmp_ptr += compl_length; /* Skip if already inside a word. */ if (vim_iswordp(tmp_ptr)) continue; /* Find start of next word. */ tmp_ptr = find_word_start(tmp_ptr); } /* Find end of this word. */ tmp_ptr = find_word_end(tmp_ptr); len = (int)(tmp_ptr - ptr); if ((compl_cont_status & CONT_ADDING) && len == compl_length) { if (pos->lnum < ins_buf->b_ml.ml_line_count) { /* Try next line, if any. the new word will be * "join" as if the normal command "J" was used. * IOSIZE is always greater than * compl_length, so the next STRNCPY always * works -- Acevedo */ STRNCPY(IObuff, ptr, len); ptr = ml_get_buf(ins_buf, pos->lnum + 1, FALSE); tmp_ptr = ptr = skipwhite(ptr); /* Find start of next word. */ tmp_ptr = find_word_start(tmp_ptr); /* Find end of next word. */ tmp_ptr = find_word_end(tmp_ptr); if (tmp_ptr > ptr) { if (*ptr != ')' && IObuff[len - 1] != TAB) { if (IObuff[len - 1] != ' ') IObuff[len++] = ' '; /* IObuf =~ "\k.* ", thus len >= 2 */ if (p_js && (IObuff[len - 2] == '.' || (vim_strchr(p_cpo, CPO_JOINSP) == NULL && (IObuff[len - 2] == '?' || IObuff[len - 2] == '!')))) IObuff[len++] = ' '; } /* copy as much as posible of the new word */ if (tmp_ptr - ptr >= IOSIZE - len) tmp_ptr = ptr + IOSIZE - len - 1; STRNCPY(IObuff + len, ptr, tmp_ptr - ptr); len += (int)(tmp_ptr - ptr); flags |= CONT_S_IPOS; } IObuff[len] = NUL; ptr = IObuff; } if (len == compl_length) continue; } } if (ins_compl_add_infercase(ptr, len, p_ic, ins_buf == curbuf ? NULL : ins_buf->b_sfname, 0, flags) != NOTDONE) { found_new_match = OK; break; } } p_scs = save_p_scs; p_ws = save_p_ws; } /* check if compl_curr_match has changed, (e.g. other type of * expansion added something) */ if (type != 0 && compl_curr_match != old_match) found_new_match = OK; /* break the loop for specialized modes (use 'complete' just for the * generic ctrl_x_mode == 0) or when we've found a new match */ if ((ctrl_x_mode != 0 && ctrl_x_mode != CTRL_X_WHOLE_LINE) || found_new_match != FAIL) { if (got_int) break; /* Fill the popup menu as soon as possible. */ if (type != -1) ins_compl_check_keys(0); if ((ctrl_x_mode != 0 && ctrl_x_mode != CTRL_X_WHOLE_LINE) || compl_interrupted) break; compl_started = TRUE; } else { /* Mark a buffer scanned when it has been scanned completely */ if (type == 0 || type == CTRL_X_PATH_PATTERNS) ins_buf->b_scanned = TRUE; compl_started = FALSE; } } compl_started = TRUE; if ((ctrl_x_mode == 0 || ctrl_x_mode == CTRL_X_WHOLE_LINE) && *e_cpt == NUL) /* Got to end of 'complete' */ found_new_match = FAIL; i = -1; /* total of matches, unknown */ if (found_new_match == FAIL || (ctrl_x_mode != 0 && ctrl_x_mode != CTRL_X_WHOLE_LINE)) i = ins_compl_make_cyclic(); /* If several matches were added (FORWARD) or the search failed and has * just been made cyclic then we have to move compl_curr_match to the next * or previous entry (if any) -- Acevedo */ compl_curr_match = compl_direction == FORWARD ? old_match->cp_next : old_match->cp_prev; if (compl_curr_match == NULL) compl_curr_match = old_match; return i; } /* Delete the old text being completed. */ static void ins_compl_delete() { int i; /* * In insert mode: Delete the typed part. * In replace mode: Put the old characters back, if any. */ i = compl_col + (compl_cont_status & CONT_ADDING ? compl_length : 0); backspace_until_column(i); changed_cline_bef_curs(); } /* Insert the new text being completed. */ static void ins_compl_insert() { ins_bytes(compl_shown_match->cp_str + ins_compl_len()); if (compl_shown_match->cp_flags & ORIGINAL_TEXT) compl_used_match = FALSE; else compl_used_match = TRUE; } /* * Fill in the next completion in the current direction. * If "allow_get_expansion" is TRUE, then we may call ins_compl_get_exp() to * get more completions. If it is FALSE, then we just do nothing when there * are no more completions in a given direction. The latter case is used when * we are still in the middle of finding completions, to allow browsing * through the ones found so far. * Return the total number of matches, or -1 if still unknown -- webb. * * compl_curr_match is currently being used by ins_compl_get_exp(), so we use * compl_shown_match here. * * Note that this function may be called recursively once only. First with * "allow_get_expansion" TRUE, which calls ins_compl_get_exp(), which in turn * calls this function with "allow_get_expansion" FALSE. */ static int ins_compl_next(allow_get_expansion, count, insert_match) int allow_get_expansion; int count; /* repeat completion this many times; should be at least 1 */ int insert_match; /* Insert the newly selected match */ { int num_matches = -1; int i; int todo = count; compl_T *found_compl = NULL; int found_end = FALSE; int advance; if (compl_leader != NULL && (compl_shown_match->cp_flags & ORIGINAL_TEXT) == 0) { /* Set "compl_shown_match" to the actually shown match, it may differ * when "compl_leader" is used to omit some of the matches. */ while (!ins_compl_equal(compl_shown_match, compl_leader, (int)STRLEN(compl_leader)) && compl_shown_match->cp_next != NULL && compl_shown_match->cp_next != compl_first_match) compl_shown_match = compl_shown_match->cp_next; /* If we didn't find it searching forward, and compl_shows_dir is * backward, find the last match. */ if (compl_shows_dir == BACKWARD && !ins_compl_equal(compl_shown_match, compl_leader, (int)STRLEN(compl_leader)) && (compl_shown_match->cp_next == NULL || compl_shown_match->cp_next == compl_first_match)) { while (!ins_compl_equal(compl_shown_match, compl_leader, (int)STRLEN(compl_leader)) && compl_shown_match->cp_prev != NULL && compl_shown_match->cp_prev != compl_first_match) compl_shown_match = compl_shown_match->cp_prev; } } if (allow_get_expansion && insert_match && (!(compl_get_longest || compl_restarting) || compl_used_match)) /* Delete old text to be replaced */ ins_compl_delete(); /* When finding the longest common text we stick at the original text, * don't let CTRL-N or CTRL-P move to the first match. */ advance = count != 1 || !allow_get_expansion || !compl_get_longest; /* When restarting the search don't insert the first match either. */ if (compl_restarting) { advance = FALSE; compl_restarting = FALSE; } /* Repeat this for when <PageUp> or <PageDown> is typed. But don't wrap * around. */ while (--todo >= 0) { if (compl_shows_dir == FORWARD && compl_shown_match->cp_next != NULL) { compl_shown_match = compl_shown_match->cp_next; found_end = (compl_first_match != NULL && (compl_shown_match->cp_next == compl_first_match || compl_shown_match == compl_first_match)); } else if (compl_shows_dir == BACKWARD && compl_shown_match->cp_prev != NULL) { found_end = (compl_shown_match == compl_first_match); compl_shown_match = compl_shown_match->cp_prev; found_end |= (compl_shown_match == compl_first_match); } else { if (!allow_get_expansion) { if (advance) { if (compl_shows_dir == BACKWARD) compl_pending -= todo + 1; else compl_pending += todo + 1; } return -1; } if (advance) { if (compl_shows_dir == BACKWARD) --compl_pending; else ++compl_pending; } /* Find matches. */ num_matches = ins_compl_get_exp(&compl_startpos); /* handle any pending completions */ while (compl_pending != 0 && compl_direction == compl_shows_dir && advance) { if (compl_pending > 0 && compl_shown_match->cp_next != NULL) { compl_shown_match = compl_shown_match->cp_next; --compl_pending; } if (compl_pending < 0 && compl_shown_match->cp_prev != NULL) { compl_shown_match = compl_shown_match->cp_prev; ++compl_pending; } else break; } found_end = FALSE; } if ((compl_shown_match->cp_flags & ORIGINAL_TEXT) == 0 && compl_leader != NULL && !ins_compl_equal(compl_shown_match, compl_leader, (int)STRLEN(compl_leader))) ++todo; else /* Remember a matching item. */ found_compl = compl_shown_match; /* Stop at the end of the list when we found a usable match. */ if (found_end) { if (found_compl != NULL) { compl_shown_match = found_compl; break; } todo = 1; /* use first usable match after wrapping around */ } } /* Insert the text of the new completion, or the compl_leader. */ if (insert_match) { if (!compl_get_longest || compl_used_match) ins_compl_insert(); else ins_bytes(compl_leader + ins_compl_len()); } else compl_used_match = FALSE; if (!allow_get_expansion) { /* may undisplay the popup menu first */ ins_compl_upd_pum(); /* redraw to show the user what was inserted */ update_screen(0); /* display the updated popup menu */ ins_compl_show_pum(); #ifdef FEAT_GUI if (gui.in_use) { /* Show the cursor after the match, not after the redrawn text. */ setcursor(); out_flush(); gui_update_cursor(FALSE, FALSE); } #endif /* Delete old text to be replaced, since we're still searching and * don't want to match ourselves! */ ins_compl_delete(); } /* Enter will select a match when the match wasn't inserted and the popup * menu is visible. */ compl_enter_selects = !insert_match && compl_match_array != NULL; /* * Show the file name for the match (if any) * Truncate the file name to avoid a wait for return. */ if (compl_shown_match->cp_fname != NULL) { STRCPY(IObuff, "match in file "); i = (vim_strsize(compl_shown_match->cp_fname) + 16) - sc_col; if (i <= 0) i = 0; else STRCAT(IObuff, "<"); STRCAT(IObuff, compl_shown_match->cp_fname + i); msg(IObuff); redraw_cmdline = FALSE; /* don't overwrite! */ } return num_matches; } /* * Call this while finding completions, to check whether the user has hit a key * that should change the currently displayed completion, or exit completion * mode. Also, when compl_pending is not zero, show a completion as soon as * possible. -- webb * "frequency" specifies out of how many calls we actually check. */ void ins_compl_check_keys(frequency) int frequency; { static int count = 0; int c; /* Don't check when reading keys from a script. That would break the test * scripts */ if (using_script()) return; /* Only do this at regular intervals */ if (++count < frequency) return; count = 0; /* Check for a typed key. Do use mappings, otherwise vim_is_ctrl_x_key() * can't do its work correctly. */ c = vpeekc_any(); if (c != NUL) { if (vim_is_ctrl_x_key(c) && c != Ctrl_X && c != Ctrl_R) { c = safe_vgetc(); /* Eat the character */ compl_shows_dir = ins_compl_key2dir(c); (void)ins_compl_next(FALSE, ins_compl_key2count(c), c != K_UP && c != K_DOWN); } else { /* Need to get the character to have KeyTyped set. We'll put it * back with vungetc() below. But skip K_IGNORE. */ c = safe_vgetc(); if (c != K_IGNORE) { /* Don't interrupt completion when the character wasn't typed, * e.g., when doing @q to replay keys. */ if (c != Ctrl_R && KeyTyped) compl_interrupted = TRUE; vungetc(c); } } } if (compl_pending != 0 && !got_int) { int todo = compl_pending > 0 ? compl_pending : -compl_pending; compl_pending = 0; (void)ins_compl_next(FALSE, todo, TRUE); } } /* * Decide the direction of Insert mode complete from the key typed. * Returns BACKWARD or FORWARD. */ static int ins_compl_key2dir(c) int c; { if (c == Ctrl_P || c == Ctrl_L || (pum_visible() && (c == K_PAGEUP || c == K_KPAGEUP || c == K_S_UP || c == K_UP))) return BACKWARD; return FORWARD; } /* * Return TRUE for keys that are used for completion only when the popup menu * is visible. */ static int ins_compl_pum_key(c) int c; { return pum_visible() && (c == K_PAGEUP || c == K_KPAGEUP || c == K_S_UP || c == K_PAGEDOWN || c == K_KPAGEDOWN || c == K_S_DOWN || c == K_UP || c == K_DOWN); } /* * Decide the number of completions to move forward. * Returns 1 for most keys, height of the popup menu for page-up/down keys. */ static int ins_compl_key2count(c) int c; { int h; if (ins_compl_pum_key(c) && c != K_UP && c != K_DOWN) { h = pum_get_height(); if (h > 3) h -= 2; /* keep some context */ return h; } return 1; } /* * Return TRUE if completion with "c" should insert the match, FALSE if only * to change the currently selected completion. */ static int ins_compl_use_match(c) int c; { switch (c) { case K_UP: case K_DOWN: case K_PAGEDOWN: case K_KPAGEDOWN: case K_S_DOWN: case K_PAGEUP: case K_KPAGEUP: case K_S_UP: return FALSE; } return TRUE; } /* * Do Insert mode completion. * Called when character "c" was typed, which has a meaning for completion. * Returns OK if completion was done, FAIL if something failed (out of mem). */ static int ins_complete(c) int c; { char_u *line; int startcol = 0; /* column where searched text starts */ colnr_T curs_col; /* cursor column */ int n; compl_direction = ins_compl_key2dir(c); if (!compl_started) { /* First time we hit ^N or ^P (in a row, I mean) */ did_ai = FALSE; #ifdef FEAT_SMARTINDENT did_si = FALSE; can_si = FALSE; can_si_back = FALSE; #endif if (stop_arrow() == FAIL) return FAIL; line = ml_get(curwin->w_cursor.lnum); curs_col = curwin->w_cursor.col; compl_pending = 0; /* If this same ctrl_x_mode has been interrupted use the text from * "compl_startpos" to the cursor as a pattern to add a new word * instead of expand the one before the cursor, in word-wise if * "compl_startpos" is not in the same line as the cursor then fix it * (the line has been split because it was longer than 'tw'). if SOL * is set then skip the previous pattern, a word at the beginning of * the line has been inserted, we'll look for that -- Acevedo. */ if ((compl_cont_status & CONT_INTRPT) == CONT_INTRPT && compl_cont_mode == ctrl_x_mode) { /* * it is a continued search */ compl_cont_status &= ~CONT_INTRPT; /* remove INTRPT */ if (ctrl_x_mode == 0 || ctrl_x_mode == CTRL_X_PATH_PATTERNS || ctrl_x_mode == CTRL_X_PATH_DEFINES) { if (compl_startpos.lnum != curwin->w_cursor.lnum) { /* line (probably) wrapped, set compl_startpos to the * first non_blank in the line, if it is not a wordchar * include it to get a better pattern, but then we don't * want the "\\<" prefix, check it bellow */ compl_col = (colnr_T)(skipwhite(line) - line); compl_startpos.col = compl_col; compl_startpos.lnum = curwin->w_cursor.lnum; compl_cont_status &= ~CONT_SOL; /* clear SOL if present */ } else { /* S_IPOS was set when we inserted a word that was at the * beginning of the line, which means that we'll go to SOL * mode but first we need to redefine compl_startpos */ if (compl_cont_status & CONT_S_IPOS) { compl_cont_status |= CONT_SOL; compl_startpos.col = (colnr_T)(skipwhite( line + compl_length + compl_startpos.col) - line); } compl_col = compl_startpos.col; } compl_length = curwin->w_cursor.col - (int)compl_col; /* IObuff is used to add a "word from the next line" would we * have enough space? just being paranoid */ #define MIN_SPACE 75 if (compl_length > (IOSIZE - MIN_SPACE)) { compl_cont_status &= ~CONT_SOL; compl_length = (IOSIZE - MIN_SPACE); compl_col = curwin->w_cursor.col - compl_length; } compl_cont_status |= CONT_ADDING | CONT_N_ADDS; if (compl_length < 1) compl_cont_status &= CONT_LOCAL; } else if (ctrl_x_mode == CTRL_X_WHOLE_LINE) compl_cont_status = CONT_ADDING | CONT_N_ADDS; else compl_cont_status = 0; } else compl_cont_status &= CONT_LOCAL; if (!(compl_cont_status & CONT_ADDING)) /* normal expansion */ { compl_cont_mode = ctrl_x_mode; if (ctrl_x_mode != 0) /* Remove LOCAL if ctrl_x_mode != 0 */ compl_cont_status = 0; compl_cont_status |= CONT_N_ADDS; compl_startpos = curwin->w_cursor; startcol = (int)curs_col; compl_col = 0; } /* Work out completion pattern and original text -- webb */ if (ctrl_x_mode == 0 || (ctrl_x_mode & CTRL_X_WANT_IDENT)) { if ((compl_cont_status & CONT_SOL) || ctrl_x_mode == CTRL_X_PATH_DEFINES) { if (!(compl_cont_status & CONT_ADDING)) { while (--startcol >= 0 && vim_isIDc(line[startcol])) ; compl_col += ++startcol; compl_length = curs_col - startcol; } if (p_ic) compl_pattern = str_foldcase(line + compl_col, compl_length, NULL, 0); else compl_pattern = vim_strnsave(line + compl_col, compl_length); if (compl_pattern == NULL) return FAIL; } else if (compl_cont_status & CONT_ADDING) { char_u *prefix = (char_u *)"\\<"; /* we need up to 2 extra chars for the prefix */ compl_pattern = alloc(quote_meta(NULL, line + compl_col, compl_length) + 2); if (compl_pattern == NULL) return FAIL; if (!vim_iswordp(line + compl_col) || (compl_col > 0 && ( #ifdef FEAT_MBYTE vim_iswordp(mb_prevptr(line, line + compl_col)) #else vim_iswordc(line[compl_col - 1]) #endif ))) prefix = (char_u *)""; STRCPY((char *)compl_pattern, prefix); (void)quote_meta(compl_pattern + STRLEN(prefix), line + compl_col, compl_length); } else if (--startcol < 0 || #ifdef FEAT_MBYTE !vim_iswordp(mb_prevptr(line, line + startcol + 1)) #else !vim_iswordc(line[startcol]) #endif ) { /* Match any word of at least two chars */ compl_pattern = vim_strsave((char_u *)"\\<\\k\\k"); if (compl_pattern == NULL) return FAIL; compl_col += curs_col; compl_length = 0; } else { #ifdef FEAT_MBYTE /* Search the point of change class of multibyte character * or not a word single byte character backward. */ if (has_mbyte) { int base_class; int head_off; startcol -= (*mb_head_off)(line, line + startcol); base_class = mb_get_class(line + startcol); while (--startcol >= 0) { head_off = (*mb_head_off)(line, line + startcol); if (base_class != mb_get_class(line + startcol - head_off)) break; startcol -= head_off; } } else #endif while (--startcol >= 0 && vim_iswordc(line[startcol])) ; compl_col += ++startcol; compl_length = (int)curs_col - startcol; if (compl_length == 1) { /* Only match word with at least two chars -- webb * there's no need to call quote_meta, * alloc(7) is enough -- Acevedo */ compl_pattern = alloc(7); if (compl_pattern == NULL) return FAIL; STRCPY((char *)compl_pattern, "\\<"); (void)quote_meta(compl_pattern + 2, line + compl_col, 1); STRCAT((char *)compl_pattern, "\\k"); } else { compl_pattern = alloc(quote_meta(NULL, line + compl_col, compl_length) + 2); if (compl_pattern == NULL) return FAIL; STRCPY((char *)compl_pattern, "\\<"); (void)quote_meta(compl_pattern + 2, line + compl_col, compl_length); } } } else if (ctrl_x_mode == CTRL_X_WHOLE_LINE) { compl_col = (colnr_T)(skipwhite(line) - line); compl_length = (int)curs_col - (int)compl_col; if (compl_length < 0) /* cursor in indent: empty pattern */ compl_length = 0; if (p_ic) compl_pattern = str_foldcase(line + compl_col, compl_length, NULL, 0); else compl_pattern = vim_strnsave(line + compl_col, compl_length); if (compl_pattern == NULL) return FAIL; } else if (ctrl_x_mode == CTRL_X_FILES) { while (--startcol >= 0 && vim_isfilec(line[startcol])) ; compl_col += ++startcol; compl_length = (int)curs_col - startcol; compl_pattern = addstar(line + compl_col, compl_length, EXPAND_FILES); if (compl_pattern == NULL) return FAIL; } else if (ctrl_x_mode == CTRL_X_CMDLINE) { compl_pattern = vim_strnsave(line, curs_col); if (compl_pattern == NULL) return FAIL; set_cmd_context(&compl_xp, compl_pattern, (int)STRLEN(compl_pattern), curs_col); if (compl_xp.xp_context == EXPAND_UNSUCCESSFUL || compl_xp.xp_context == EXPAND_NOTHING) /* No completion possible, use an empty pattern to get a * "pattern not found" message. */ compl_col = curs_col; else compl_col = (int)(compl_xp.xp_pattern - compl_pattern); compl_length = curs_col - compl_col; } else if (ctrl_x_mode == CTRL_X_FUNCTION || ctrl_x_mode == CTRL_X_OMNI) { #ifdef FEAT_COMPL_FUNC /* * Call user defined function 'completefunc' with "a:findstart" * set to 1 to obtain the length of text to use for completion. */ char_u *args[2]; int col; char_u *funcname; pos_T pos; /* Call 'completefunc' or 'omnifunc' and get pattern length as a * string */ funcname = ctrl_x_mode == CTRL_X_FUNCTION ? curbuf->b_p_cfu : curbuf->b_p_ofu; if (*funcname == NUL) { EMSG2(_(e_notset), ctrl_x_mode == CTRL_X_FUNCTION ? "completefunc" : "omnifunc"); return FAIL; } args[0] = (char_u *)"1"; args[1] = NULL; pos = curwin->w_cursor; col = call_func_retnr(funcname, 2, args, FALSE); curwin->w_cursor = pos; /* restore the cursor position */ if (col < 0) col = curs_col; compl_col = col; if (compl_col > curs_col) compl_col = curs_col; /* Setup variables for completion. Need to obtain "line" again, * it may have become invalid. */ line = ml_get(curwin->w_cursor.lnum); compl_length = curs_col - compl_col; compl_pattern = vim_strnsave(line + compl_col, compl_length); if (compl_pattern == NULL) #endif return FAIL; } else if (ctrl_x_mode == CTRL_X_SPELL) { #ifdef FEAT_SPELL if (spell_bad_len > 0) compl_col = curs_col - spell_bad_len; else compl_col = spell_word_start(startcol); if (compl_col >= (colnr_T)startcol) { compl_length = 0; compl_col = curs_col; } else { spell_expand_check_cap(compl_col); compl_length = (int)curs_col - compl_col; } /* Need to obtain "line" again, it may have become invalid. */ line = ml_get(curwin->w_cursor.lnum); compl_pattern = vim_strnsave(line + compl_col, compl_length); if (compl_pattern == NULL) #endif return FAIL; } else { EMSG2(_(e_intern2), "ins_complete()"); return FAIL; } if (compl_cont_status & CONT_ADDING) { edit_submode_pre = (char_u *)_(" Adding"); if (ctrl_x_mode == CTRL_X_WHOLE_LINE) { /* Insert a new line, keep indentation but ignore 'comments' */ #ifdef FEAT_COMMENTS char_u *old = curbuf->b_p_com; curbuf->b_p_com = (char_u *)""; #endif compl_startpos.lnum = curwin->w_cursor.lnum; compl_startpos.col = compl_col; ins_eol('\r'); #ifdef FEAT_COMMENTS curbuf->b_p_com = old; #endif compl_length = 0; compl_col = curwin->w_cursor.col; } } else { edit_submode_pre = NULL; compl_startpos.col = compl_col; } if (compl_cont_status & CONT_LOCAL) edit_submode = (char_u *)_(ctrl_x_msgs[CTRL_X_LOCAL_MSG]); else edit_submode = (char_u *)_(CTRL_X_MSG(ctrl_x_mode)); /* Always add completion for the original text. */ vim_free(compl_orig_text); compl_orig_text = vim_strnsave(line + compl_col, compl_length); if (compl_orig_text == NULL || ins_compl_add(compl_orig_text, -1, p_ic, NULL, NULL, 0, ORIGINAL_TEXT, FALSE) != OK) { vim_free(compl_pattern); compl_pattern = NULL; vim_free(compl_orig_text); compl_orig_text = NULL; return FAIL; } /* showmode might reset the internal line pointers, so it must * be called before line = ml_get(), or when this address is no * longer needed. -- Acevedo. */ edit_submode_extra = (char_u *)_("-- Searching..."); edit_submode_highl = HLF_COUNT; showmode(); edit_submode_extra = NULL; out_flush(); } compl_shown_match = compl_curr_match; compl_shows_dir = compl_direction; /* * Find next match (and following matches). */ n = ins_compl_next(TRUE, ins_compl_key2count(c), ins_compl_use_match(c)); /* may undisplay the popup menu */ ins_compl_upd_pum(); if (n > 1) /* all matches have been found */ compl_matches = n; compl_curr_match = compl_shown_match; compl_direction = compl_shows_dir; /* Eat the ESC that vgetc() returns after a CTRL-C to avoid leaving Insert * mode. */ if (got_int && !global_busy) { (void)vgetc(); got_int = FALSE; } /* we found no match if the list has only the "compl_orig_text"-entry */ if (compl_first_match == compl_first_match->cp_next) { edit_submode_extra = (compl_cont_status & CONT_ADDING) && compl_length > 1 ? (char_u *)_(e_hitend) : (char_u *)_(e_patnotf); edit_submode_highl = HLF_E; /* remove N_ADDS flag, so next ^X<> won't try to go to ADDING mode, * because we couldn't expand anything at first place, but if we used * ^P, ^N, ^X^I or ^X^D we might want to add-expand a single-char-word * (such as M in M'exico) if not tried already. -- Acevedo */ if ( compl_length > 1 || (compl_cont_status & CONT_ADDING) || (ctrl_x_mode != 0 && ctrl_x_mode != CTRL_X_PATH_PATTERNS && ctrl_x_mode != CTRL_X_PATH_DEFINES)) compl_cont_status &= ~CONT_N_ADDS; } if (compl_curr_match->cp_flags & CONT_S_IPOS) compl_cont_status |= CONT_S_IPOS; else compl_cont_status &= ~CONT_S_IPOS; if (edit_submode_extra == NULL) { if (compl_curr_match->cp_flags & ORIGINAL_TEXT) { edit_submode_extra = (char_u *)_("Back at original"); edit_submode_highl = HLF_W; } else if (compl_cont_status & CONT_S_IPOS) { edit_submode_extra = (char_u *)_("Word from other line"); edit_submode_highl = HLF_COUNT; } else if (compl_curr_match->cp_next == compl_curr_match->cp_prev) { edit_submode_extra = (char_u *)_("The only match"); edit_submode_highl = HLF_COUNT; } else { /* Update completion sequence number when needed. */ if (compl_curr_match->cp_number == -1) { int number = 0; compl_T *match; if (compl_direction == FORWARD) { /* search backwards for the first valid (!= -1) number. * This should normally succeed already at the first loop * cycle, so it's fast! */ for (match = compl_curr_match->cp_prev; match != NULL && match != compl_first_match; match = match->cp_prev) if (match->cp_number != -1) { number = match->cp_number; break; } if (match != NULL) /* go up and assign all numbers which are not assigned * yet */ for (match = match->cp_next; match != NULL && match->cp_number == -1; match = match->cp_next) match->cp_number = ++number; } else /* BACKWARD */ { /* search forwards (upwards) for the first valid (!= -1) * number. This should normally succeed already at the * first loop cycle, so it's fast! */ for (match = compl_curr_match->cp_next; match != NULL && match != compl_first_match; match = match->cp_next) if (match->cp_number != -1) { number = match->cp_number; break; } if (match != NULL) /* go down and assign all numbers which are not * assigned yet */ for (match = match->cp_prev; match && match->cp_number == -1; match = match->cp_prev) match->cp_number = ++number; } } /* The match should always have a sequence number now, this is * just a safety check. */ if (compl_curr_match->cp_number != -1) { /* Space for 10 text chars. + 2x10-digit no.s = 31. * Translations may need more than twice that. */ static char_u match_ref[81]; if (compl_matches > 0) vim_snprintf((char *)match_ref, sizeof(match_ref), _("match %d of %d"), compl_curr_match->cp_number, compl_matches); else vim_snprintf((char *)match_ref, sizeof(match_ref), _("match %d"), compl_curr_match->cp_number); edit_submode_extra = match_ref; edit_submode_highl = HLF_R; if (dollar_vcol) curs_columns(FALSE); } } } /* Show a message about what (completion) mode we're in. */ showmode(); if (edit_submode_extra != NULL) { if (!p_smd) msg_attr(edit_submode_extra, edit_submode_highl < HLF_COUNT ? hl_attr(edit_submode_highl) : 0); } else msg_clr_cmdline(); /* necessary for "noshowmode" */ /* Show the popup menu, unless we got interrupted. */ if (!compl_interrupted) { /* RedrawingDisabled may be set when invoked through complete(). */ n = RedrawingDisabled; RedrawingDisabled = 0; ins_compl_show_pum(); setcursor(); RedrawingDisabled = n; } compl_was_interrupted = compl_interrupted; compl_interrupted = FALSE; return OK; } /* * Looks in the first "len" chars. of "src" for search-metachars. * If dest is not NULL the chars. are copied there quoting (with * a backslash) the metachars, and dest would be NUL terminated. * Returns the length (needed) of dest */ static unsigned quote_meta(dest, src, len) char_u *dest; char_u *src; int len; { unsigned m = (unsigned)len + 1; /* one extra for the NUL */ for ( ; --len >= 0; src++) { switch (*src) { case '.': case '*': case '[': if (ctrl_x_mode == CTRL_X_DICTIONARY || ctrl_x_mode == CTRL_X_THESAURUS) break; case '~': if (!p_magic) /* quote these only if magic is set */ break; case '\\': if (ctrl_x_mode == CTRL_X_DICTIONARY || ctrl_x_mode == CTRL_X_THESAURUS) break; case '^': /* currently it's not needed. */ case '$': m++; if (dest != NULL) *dest++ = '\\'; break; } if (dest != NULL) *dest++ = *src; # ifdef FEAT_MBYTE /* Copy remaining bytes of a multibyte character. */ if (has_mbyte) { int i, mb_len; mb_len = (*mb_ptr2len)(src) - 1; if (mb_len > 0 && len >= mb_len) for (i = 0; i < mb_len; ++i) { --len; ++src; if (dest != NULL) *dest++ = *src; } } # endif } if (dest != NULL) *dest = NUL; return m; } #endif /* FEAT_INS_EXPAND */ /* * Next character is interpreted literally. * A one, two or three digit decimal number is interpreted as its byte value. * If one or two digits are entered, the next character is given to vungetc(). * For Unicode a character > 255 may be returned. */ int get_literal() { int cc; int nc; int i; int hex = FALSE; int octal = FALSE; #ifdef FEAT_MBYTE int unicode = 0; #endif if (got_int) return Ctrl_C; #ifdef FEAT_GUI /* * In GUI there is no point inserting the internal code for a special key. * It is more useful to insert the string "<KEY>" instead. This would * probably be useful in a text window too, but it would not be * vi-compatible (maybe there should be an option for it?) -- webb */ if (gui.in_use) ++allow_keys; #endif #ifdef USE_ON_FLY_SCROLL dont_scroll = TRUE; /* disallow scrolling here */ #endif ++no_mapping; /* don't map the next key hits */ cc = 0; i = 0; for (;;) { nc = plain_vgetc(); #ifdef FEAT_CMDL_INFO if (!(State & CMDLINE) # ifdef FEAT_MBYTE && MB_BYTE2LEN_CHECK(nc) == 1 # endif ) add_to_showcmd(nc); #endif if (nc == 'x' || nc == 'X') hex = TRUE; else if (nc == 'o' || nc == 'O') octal = TRUE; #ifdef FEAT_MBYTE else if (nc == 'u' || nc == 'U') unicode = nc; #endif else { if (hex #ifdef FEAT_MBYTE || unicode != 0 #endif ) { if (!vim_isxdigit(nc)) break; cc = cc * 16 + hex2nr(nc); } else if (octal) { if (nc < '0' || nc > '7') break; cc = cc * 8 + nc - '0'; } else { if (!VIM_ISDIGIT(nc)) break; cc = cc * 10 + nc - '0'; } ++i; } if (cc > 255 #ifdef FEAT_MBYTE && unicode == 0 #endif ) cc = 255; /* limit range to 0-255 */ nc = 0; if (hex) /* hex: up to two chars */ { if (i >= 2) break; } #ifdef FEAT_MBYTE else if (unicode) /* Unicode: up to four or eight chars */ { if ((unicode == 'u' && i >= 4) || (unicode == 'U' && i >= 8)) break; } #endif else if (i >= 3) /* decimal or octal: up to three chars */ break; } if (i == 0) /* no number entered */ { if (nc == K_ZERO) /* NUL is stored as NL */ { cc = '\n'; nc = 0; } else { cc = nc; nc = 0; } } if (cc == 0) /* NUL is stored as NL */ cc = '\n'; #ifdef FEAT_MBYTE if (enc_dbcs && (cc & 0xff) == 0) cc = '?'; /* don't accept an illegal DBCS char, the NUL in the second byte will cause trouble! */ #endif --no_mapping; #ifdef FEAT_GUI if (gui.in_use) --allow_keys; #endif if (nc) vungetc(nc); got_int = FALSE; /* CTRL-C typed after CTRL-V is not an interrupt */ return cc; } /* * Insert character, taking care of special keys and mod_mask */ static void insert_special(c, allow_modmask, ctrlv) int c; int allow_modmask; int ctrlv; /* c was typed after CTRL-V */ { char_u *p; int len; /* * Special function key, translate into "<Key>". Up to the last '>' is * inserted with ins_str(), so as not to replace characters in replace * mode. * Only use mod_mask for special keys, to avoid things like <S-Space>, * unless 'allow_modmask' is TRUE. */ #ifdef MACOS /* Command-key never produces a normal key */ if (mod_mask & MOD_MASK_CMD) allow_modmask = TRUE; #endif if (IS_SPECIAL(c) || (mod_mask && allow_modmask)) { p = get_special_key_name(c, mod_mask); len = (int)STRLEN(p); c = p[len - 1]; if (len > 2) { if (stop_arrow() == FAIL) return; p[len - 1] = NUL; ins_str(p); AppendToRedobuffLit(p, -1); ctrlv = FALSE; } } if (stop_arrow() == OK) insertchar(c, ctrlv ? INSCHAR_CTRLV : 0, -1); } /* * Special characters in this context are those that need processing other * than the simple insertion that can be performed here. This includes ESC * which terminates the insert, and CR/NL which need special processing to * open up a new line. This routine tries to optimize insertions performed by * the "redo", "undo" or "put" commands, so it needs to know when it should * stop and defer processing to the "normal" mechanism. * '0' and '^' are special, because they can be followed by CTRL-D. */ #ifdef EBCDIC # define ISSPECIAL(c) ((c) < ' ' || (c) == '0' || (c) == '^') #else # define ISSPECIAL(c) ((c) < ' ' || (c) >= DEL || (c) == '0' || (c) == '^') #endif #ifdef FEAT_MBYTE # define WHITECHAR(cc) (vim_iswhite(cc) && (!enc_utf8 || !utf_iscomposing(utf_ptr2char(ml_get_cursor() + 1)))) #else # define WHITECHAR(cc) vim_iswhite(cc) #endif void insertchar(c, flags, second_indent) int c; /* character to insert or NUL */ int flags; /* INSCHAR_FORMAT, etc. */ int second_indent; /* indent for second line if >= 0 */ { int textwidth; #ifdef FEAT_COMMENTS char_u *p; #endif int fo_ins_blank; textwidth = comp_textwidth(flags & INSCHAR_FORMAT); fo_ins_blank = has_format_option(FO_INS_BLANK); /* * Try to break the line in two or more pieces when: * - Always do this if we have been called to do formatting only. * - Always do this when 'formatoptions' has the 'a' flag and the line * ends in white space. * - Otherwise: * - Don't do this if inserting a blank * - Don't do this if an existing character is being replaced, unless * we're in VREPLACE mode. * - Do this if the cursor is not on the line where insert started * or - 'formatoptions' doesn't have 'l' or the line was not too long * before the insert. * - 'formatoptions' doesn't have 'b' or a blank was inserted at or * before 'textwidth' */ if (textwidth > 0 && ((flags & INSCHAR_FORMAT) || (!vim_iswhite(c) && !((State & REPLACE_FLAG) #ifdef FEAT_VREPLACE && !(State & VREPLACE_FLAG) #endif && *ml_get_cursor() != NUL) && (curwin->w_cursor.lnum != Insstart.lnum || ((!has_format_option(FO_INS_LONG) || Insstart_textlen <= (colnr_T)textwidth) && (!fo_ins_blank || Insstart_blank_vcol <= (colnr_T)textwidth )))))) { /* Format with 'formatexpr' when it's set. Use internal formatting * when 'formatexpr' isn't set or it returns non-zero. */ #if defined(FEAT_EVAL) int do_internal = TRUE; if (*curbuf->b_p_fex != NUL && (flags & INSCHAR_NO_FEX) == 0) { do_internal = (fex_format(curwin->w_cursor.lnum, 1L, c) != 0); /* It may be required to save for undo again, e.g. when setline() * was called. */ ins_need_undo = TRUE; } if (do_internal) #endif internal_format(textwidth, second_indent, flags, c == NUL); } if (c == NUL) /* only formatting was wanted */ return; #ifdef FEAT_COMMENTS /* Check whether this character should end a comment. */ if (did_ai && (int)c == end_comment_pending) { char_u *line; char_u lead_end[COM_MAX_LEN]; /* end-comment string */ int middle_len, end_len; int i; /* * Need to remove existing (middle) comment leader and insert end * comment leader. First, check what comment leader we can find. */ i = get_leader_len(line = ml_get_curline(), &p, FALSE); if (i > 0 && vim_strchr(p, COM_MIDDLE) != NULL) /* Just checking */ { /* Skip middle-comment string */ while (*p && p[-1] != ':') /* find end of middle flags */ ++p; middle_len = copy_option_part(&p, lead_end, COM_MAX_LEN, ","); /* Don't count trailing white space for middle_len */ while (middle_len > 0 && vim_iswhite(lead_end[middle_len - 1])) --middle_len; /* Find the end-comment string */ while (*p && p[-1] != ':') /* find end of end flags */ ++p; end_len = copy_option_part(&p, lead_end, COM_MAX_LEN, ","); /* Skip white space before the cursor */ i = curwin->w_cursor.col; while (--i >= 0 && vim_iswhite(line[i])) ; i++; /* Skip to before the middle leader */ i -= middle_len; /* Check some expected things before we go on */ if (i >= 0 && lead_end[end_len - 1] == end_comment_pending) { /* Backspace over all the stuff we want to replace */ backspace_until_column(i); /* * Insert the end-comment string, except for the last * character, which will get inserted as normal later. */ ins_bytes_len(lead_end, end_len - 1); } } } end_comment_pending = NUL; #endif did_ai = FALSE; #ifdef FEAT_SMARTINDENT did_si = FALSE; can_si = FALSE; can_si_back = FALSE; #endif /* * If there's any pending input, grab up to INPUT_BUFLEN at once. * This speeds up normal text input considerably. * Don't do this when 'cindent' or 'indentexpr' is set, because we might * need to re-indent at a ':', or any other character (but not what * 'paste' is set).. */ #ifdef USE_ON_FLY_SCROLL dont_scroll = FALSE; /* allow scrolling here */ #endif if ( !ISSPECIAL(c) #ifdef FEAT_MBYTE && (!has_mbyte || (*mb_char2len)(c) == 1) #endif && vpeekc() != NUL && !(State & REPLACE_FLAG) #ifdef FEAT_CINDENT && !cindent_on() #endif #ifdef FEAT_RIGHTLEFT && !p_ri #endif ) { #define INPUT_BUFLEN 100 char_u buf[INPUT_BUFLEN + 1]; int i; colnr_T virtcol = 0; buf[0] = c; i = 1; if (textwidth > 0) virtcol = get_nolist_virtcol(); /* * Stop the string when: * - no more chars available * - finding a special character (command key) * - buffer is full * - running into the 'textwidth' boundary * - need to check for abbreviation: A non-word char after a word-char */ while ( (c = vpeekc()) != NUL && !ISSPECIAL(c) #ifdef FEAT_MBYTE && (!has_mbyte || MB_BYTE2LEN_CHECK(c) == 1) #endif && i < INPUT_BUFLEN && (textwidth == 0 || (virtcol += byte2cells(buf[i - 1])) < (colnr_T)textwidth) && !(!no_abbr && !vim_iswordc(c) && vim_iswordc(buf[i - 1]))) { #ifdef FEAT_RIGHTLEFT c = vgetc(); if (p_hkmap && KeyTyped) c = hkmap(c); /* Hebrew mode mapping */ # ifdef FEAT_FKMAP if (p_fkmap && KeyTyped) c = fkmap(c); /* Farsi mode mapping */ # endif buf[i++] = c; #else buf[i++] = vgetc(); #endif } #ifdef FEAT_DIGRAPHS do_digraph(-1); /* clear digraphs */ do_digraph(buf[i-1]); /* may be the start of a digraph */ #endif buf[i] = NUL; ins_str(buf); if (flags & INSCHAR_CTRLV) { redo_literal(*buf); i = 1; } else i = 0; if (buf[i] != NUL) AppendToRedobuffLit(buf + i, -1); } else { #ifdef FEAT_MBYTE int cc; if (has_mbyte && (cc = (*mb_char2len)(c)) > 1) { char_u buf[MB_MAXBYTES + 1]; (*mb_char2bytes)(c, buf); buf[cc] = NUL; ins_char_bytes(buf, cc); AppendCharToRedobuff(c); } else #endif { ins_char(c); if (flags & INSCHAR_CTRLV) redo_literal(c); else AppendCharToRedobuff(c); } } } /* * Format text at the current insert position. */ static void internal_format(textwidth, second_indent, flags, format_only) int textwidth; int second_indent; int flags; int format_only; { int cc; int save_char = NUL; int haveto_redraw = FALSE; int fo_ins_blank = has_format_option(FO_INS_BLANK); #ifdef FEAT_MBYTE int fo_multibyte = has_format_option(FO_MBYTE_BREAK); #endif int fo_white_par = has_format_option(FO_WHITE_PAR); int first_line = TRUE; #ifdef FEAT_COMMENTS colnr_T leader_len; int no_leader = FALSE; int do_comments = (flags & INSCHAR_DO_COM); #endif /* * When 'ai' is off we don't want a space under the cursor to be * deleted. Replace it with an 'x' temporarily. */ if (!curbuf->b_p_ai) { cc = gchar_cursor(); if (vim_iswhite(cc)) { save_char = cc; pchar_cursor('x'); } } /* * Repeat breaking lines, until the current line is not too long. */ while (!got_int) { int startcol; /* Cursor column at entry */ int wantcol; /* column at textwidth border */ int foundcol; /* column for start of spaces */ int end_foundcol = 0; /* column for start of word */ colnr_T len; colnr_T virtcol; #ifdef FEAT_VREPLACE int orig_col = 0; char_u *saved_text = NULL; #endif colnr_T col; virtcol = get_nolist_virtcol(); if (virtcol < (colnr_T)textwidth) break; #ifdef FEAT_COMMENTS if (no_leader) do_comments = FALSE; else if (!(flags & INSCHAR_FORMAT) && has_format_option(FO_WRAP_COMS)) do_comments = TRUE; /* Don't break until after the comment leader */ if (do_comments) leader_len = get_leader_len(ml_get_curline(), NULL, FALSE); else leader_len = 0; /* If the line doesn't start with a comment leader, then don't * start one in a following broken line. Avoids that a %word * moved to the start of the next line causes all following lines * to start with %. */ if (leader_len == 0) no_leader = TRUE; #endif if (!(flags & INSCHAR_FORMAT) #ifdef FEAT_COMMENTS && leader_len == 0 #endif && !has_format_option(FO_WRAP)) { textwidth = 0; break; } if ((startcol = curwin->w_cursor.col) == 0) break; /* find column of textwidth border */ coladvance((colnr_T)textwidth); wantcol = curwin->w_cursor.col; curwin->w_cursor.col = startcol - 1; #ifdef FEAT_MBYTE /* Correct cursor for multi-byte character. */ if (has_mbyte) mb_adjust_cursor(); #endif foundcol = 0; /* * Find position to break at. * Stop at first entered white when 'formatoptions' has 'v' */ while ((!fo_ins_blank && !has_format_option(FO_INS_VI)) || curwin->w_cursor.lnum != Insstart.lnum || curwin->w_cursor.col >= Insstart.col) { cc = gchar_cursor(); if (WHITECHAR(cc)) { /* remember position of blank just before text */ end_foundcol = curwin->w_cursor.col; /* find start of sequence of blanks */ while (curwin->w_cursor.col > 0 && WHITECHAR(cc)) { dec_cursor(); cc = gchar_cursor(); } if (curwin->w_cursor.col == 0 && WHITECHAR(cc)) break; /* only spaces in front of text */ #ifdef FEAT_COMMENTS /* Don't break until after the comment leader */ if (curwin->w_cursor.col < leader_len) break; #endif if (has_format_option(FO_ONE_LETTER)) { /* do not break after one-letter words */ if (curwin->w_cursor.col == 0) break; /* one-letter word at begin */ col = curwin->w_cursor.col; dec_cursor(); cc = gchar_cursor(); if (WHITECHAR(cc)) continue; /* one-letter, continue */ curwin->w_cursor.col = col; } #ifdef FEAT_MBYTE if (has_mbyte) foundcol = curwin->w_cursor.col + (*mb_ptr2len)(ml_get_cursor()); else #endif foundcol = curwin->w_cursor.col + 1; if (curwin->w_cursor.col < (colnr_T)wantcol) break; } #ifdef FEAT_MBYTE else if (cc >= 0x100 && fo_multibyte && curwin->w_cursor.col <= (colnr_T)wantcol) { /* Break after or before a multi-byte character. */ foundcol = curwin->w_cursor.col; if (curwin->w_cursor.col < (colnr_T)wantcol) foundcol += (*mb_char2len)(cc); end_foundcol = foundcol; break; } #endif if (curwin->w_cursor.col == 0) break; dec_cursor(); } if (foundcol == 0) /* no spaces, cannot break line */ { curwin->w_cursor.col = startcol; break; } /* Going to break the line, remove any "$" now. */ undisplay_dollar(); /* * Offset between cursor position and line break is used by replace * stack functions. VREPLACE does not use this, and backspaces * over the text instead. */ #ifdef FEAT_VREPLACE if (State & VREPLACE_FLAG) orig_col = startcol; /* Will start backspacing from here */ else #endif replace_offset = startcol - end_foundcol - 1; /* * adjust startcol for spaces that will be deleted and * characters that will remain on top line */ curwin->w_cursor.col = foundcol; while (cc = gchar_cursor(), WHITECHAR(cc)) inc_cursor(); startcol -= curwin->w_cursor.col; if (startcol < 0) startcol = 0; #ifdef FEAT_VREPLACE if (State & VREPLACE_FLAG) { /* * In VREPLACE mode, we will backspace over the text to be * wrapped, so save a copy now to put on the next line. */ saved_text = vim_strsave(ml_get_cursor()); curwin->w_cursor.col = orig_col; if (saved_text == NULL) break; /* Can't do it, out of memory */ saved_text[startcol] = NUL; /* Backspace over characters that will move to the next line */ if (!fo_white_par) backspace_until_column(foundcol); } else #endif { /* put cursor after pos. to break line */ if (!fo_white_par) curwin->w_cursor.col = foundcol; } /* * Split the line just before the margin. * Only insert/delete lines, but don't really redraw the window. */ open_line(FORWARD, OPENLINE_DELSPACES + OPENLINE_MARKFIX + (fo_white_par ? OPENLINE_KEEPTRAIL : 0) #ifdef FEAT_COMMENTS + (do_comments ? OPENLINE_DO_COM : 0) #endif , old_indent); old_indent = 0; replace_offset = 0; if (first_line) { if (second_indent < 0 && has_format_option(FO_Q_NUMBER)) second_indent = get_number_indent(curwin->w_cursor.lnum -1); if (second_indent >= 0) { #ifdef FEAT_VREPLACE if (State & VREPLACE_FLAG) change_indent(INDENT_SET, second_indent, FALSE, NUL, TRUE); else #endif (void)set_indent(second_indent, SIN_CHANGED); } first_line = FALSE; } #ifdef FEAT_VREPLACE if (State & VREPLACE_FLAG) { /* * In VREPLACE mode we have backspaced over the text to be * moved, now we re-insert it into the new line. */ ins_bytes(saved_text); vim_free(saved_text); } else #endif { /* * Check if cursor is not past the NUL off the line, cindent * may have added or removed indent. */ curwin->w_cursor.col += startcol; len = (colnr_T)STRLEN(ml_get_curline()); if (curwin->w_cursor.col > len) curwin->w_cursor.col = len; } haveto_redraw = TRUE; #ifdef FEAT_CINDENT can_cindent = TRUE; #endif /* moved the cursor, don't autoindent or cindent now */ did_ai = FALSE; #ifdef FEAT_SMARTINDENT did_si = FALSE; can_si = FALSE; can_si_back = FALSE; #endif line_breakcheck(); } if (save_char != NUL) /* put back space after cursor */ pchar_cursor(save_char); if (!format_only && haveto_redraw) { update_topline(); redraw_curbuf_later(VALID); } } /* * Called after inserting or deleting text: When 'formatoptions' includes the * 'a' flag format from the current line until the end of the paragraph. * Keep the cursor at the same position relative to the text. * The caller must have saved the cursor line for undo, following ones will be * saved here. */ void auto_format(trailblank, prev_line) int trailblank; /* when TRUE also format with trailing blank */ int prev_line; /* may start in previous line */ { pos_T pos; colnr_T len; char_u *old; char_u *new, *pnew; int wasatend; int cc; if (!has_format_option(FO_AUTO)) return; pos = curwin->w_cursor; old = ml_get_curline(); /* may remove added space */ check_auto_format(FALSE); /* Don't format in Insert mode when the cursor is on a trailing blank, the * user might insert normal text next. Also skip formatting when "1" is * in 'formatoptions' and there is a single character before the cursor. * Otherwise the line would be broken and when typing another non-white * next they are not joined back together. */ wasatend = (pos.col == (colnr_T)STRLEN(old)); if (*old != NUL && !trailblank && wasatend) { dec_cursor(); cc = gchar_cursor(); if (!WHITECHAR(cc) && curwin->w_cursor.col > 0 && has_format_option(FO_ONE_LETTER)) dec_cursor(); cc = gchar_cursor(); if (WHITECHAR(cc)) { curwin->w_cursor = pos; return; } curwin->w_cursor = pos; } #ifdef FEAT_COMMENTS /* With the 'c' flag in 'formatoptions' and 't' missing: only format * comments. */ if (has_format_option(FO_WRAP_COMS) && !has_format_option(FO_WRAP) && get_leader_len(old, NULL, FALSE) == 0) return; #endif /* * May start formatting in a previous line, so that after "x" a word is * moved to the previous line if it fits there now. Only when this is not * the start of a paragraph. */ if (prev_line && !paragraph_start(curwin->w_cursor.lnum)) { --curwin->w_cursor.lnum; if (u_save_cursor() == FAIL) return; } /* * Do the formatting and restore the cursor position. "saved_cursor" will * be adjusted for the text formatting. */ saved_cursor = pos; format_lines((linenr_T)-1, FALSE); curwin->w_cursor = saved_cursor; saved_cursor.lnum = 0; if (curwin->w_cursor.lnum > curbuf->b_ml.ml_line_count) { /* "cannot happen" */ curwin->w_cursor.lnum = curbuf->b_ml.ml_line_count; coladvance((colnr_T)MAXCOL); } else check_cursor_col(); /* Insert mode: If the cursor is now after the end of the line while it * previously wasn't, the line was broken. Because of the rule above we * need to add a space when 'w' is in 'formatoptions' to keep a paragraph * formatted. */ if (!wasatend && has_format_option(FO_WHITE_PAR)) { new = ml_get_curline(); len = (colnr_T)STRLEN(new); if (curwin->w_cursor.col == len) { pnew = vim_strnsave(new, len + 2); pnew[len] = ' '; pnew[len + 1] = NUL; ml_replace(curwin->w_cursor.lnum, pnew, FALSE); /* remove the space later */ did_add_space = TRUE; } else /* may remove added space */ check_auto_format(FALSE); } check_cursor(); } /* * When an extra space was added to continue a paragraph for auto-formatting, * delete it now. The space must be under the cursor, just after the insert * position. */ static void check_auto_format(end_insert) int end_insert; /* TRUE when ending Insert mode */ { int c = ' '; int cc; if (did_add_space) { cc = gchar_cursor(); if (!WHITECHAR(cc)) /* Somehow the space was removed already. */ did_add_space = FALSE; else { if (!end_insert) { inc_cursor(); c = gchar_cursor(); dec_cursor(); } if (c != NUL) { /* The space is no longer at the end of the line, delete it. */ del_char(FALSE); did_add_space = FALSE; } } } } /* * Find out textwidth to be used for formatting: * if 'textwidth' option is set, use it * else if 'wrapmargin' option is set, use W_WIDTH(curwin) - 'wrapmargin' * if invalid value, use 0. * Set default to window width (maximum 79) for "gq" operator. */ int comp_textwidth(ff) int ff; /* force formatting (for "gq" command) */ { int textwidth; textwidth = curbuf->b_p_tw; if (textwidth == 0 && curbuf->b_p_wm) { /* The width is the window width minus 'wrapmargin' minus all the * things that add to the margin. */ textwidth = W_WIDTH(curwin) - curbuf->b_p_wm; #ifdef FEAT_CMDWIN if (cmdwin_type != 0) textwidth -= 1; #endif #ifdef FEAT_FOLDING textwidth -= curwin->w_p_fdc; #endif #ifdef FEAT_SIGNS if (curwin->w_buffer->b_signlist != NULL # ifdef FEAT_NETBEANS_INTG || usingNetbeans # endif ) textwidth -= 1; #endif if (curwin->w_p_nu) textwidth -= 8; } if (textwidth < 0) textwidth = 0; if (ff && textwidth == 0) { textwidth = W_WIDTH(curwin) - 1; if (textwidth > 79) textwidth = 79; } return textwidth; } /* * Put a character in the redo buffer, for when just after a CTRL-V. */ static void redo_literal(c) int c; { char_u buf[10]; /* Only digits need special treatment. Translate them into a string of * three digits. */ if (VIM_ISDIGIT(c)) { vim_snprintf((char *)buf, sizeof(buf), "%03d", c); AppendToRedobuff(buf); } else AppendCharToRedobuff(c); } /* * start_arrow() is called when an arrow key is used in insert mode. * For undo/redo it resembles hitting the <ESC> key. */ static void start_arrow(end_insert_pos) pos_T *end_insert_pos; /* can be NULL */ { if (!arrow_used) /* something has been inserted */ { AppendToRedobuff(ESC_STR); stop_insert(end_insert_pos, FALSE); arrow_used = TRUE; /* this means we stopped the current insert */ } #ifdef FEAT_SPELL check_spell_redraw(); #endif } #ifdef FEAT_SPELL /* * If we skipped highlighting word at cursor, do it now. * It may be skipped again, thus reset spell_redraw_lnum first. */ static void check_spell_redraw() { if (spell_redraw_lnum != 0) { linenr_T lnum = spell_redraw_lnum; spell_redraw_lnum = 0; redrawWinline(lnum, FALSE); } } /* * Called when starting CTRL_X_SPELL mode: Move backwards to a previous badly * spelled word, if there is one. */ static void spell_back_to_badword() { pos_T tpos = curwin->w_cursor; spell_bad_len = spell_move_to(curwin, BACKWARD, TRUE, TRUE, NULL); if (curwin->w_cursor.col != tpos.col) start_arrow(&tpos); } #endif /* * stop_arrow() is called before a change is made in insert mode. * If an arrow key has been used, start a new insertion. * Returns FAIL if undo is impossible, shouldn't insert then. */ int stop_arrow() { if (arrow_used) { if (u_save_cursor() == OK) { arrow_used = FALSE; ins_need_undo = FALSE; } Insstart = curwin->w_cursor; /* new insertion starts here */ Insstart_textlen = (colnr_T)linetabsize(ml_get_curline()); ai_col = 0; #ifdef FEAT_VREPLACE if (State & VREPLACE_FLAG) { orig_line_count = curbuf->b_ml.ml_line_count; vr_lines_changed = 1; } #endif ResetRedobuff(); AppendToRedobuff((char_u *)"1i"); /* pretend we start an insertion */ new_insert_skip = 2; } else if (ins_need_undo) { if (u_save_cursor() == OK) ins_need_undo = FALSE; } #ifdef FEAT_FOLDING /* Always open fold at the cursor line when inserting something. */ foldOpenCursor(); #endif return (arrow_used || ins_need_undo ? FAIL : OK); } /* * Do a few things to stop inserting. * "end_insert_pos" is where insert ended. It is NULL when we already jumped * to another window/buffer. */ static void stop_insert(end_insert_pos, esc) pos_T *end_insert_pos; int esc; /* called by ins_esc() */ { int cc; char_u *ptr; stop_redo_ins(); replace_flush(); /* abandon replace stack */ /* * Save the inserted text for later redo with ^@ and CTRL-A. * Don't do it when "restart_edit" was set and nothing was inserted, * otherwise CTRL-O w and then <Left> will clear "last_insert". */ ptr = get_inserted(); if (did_restart_edit == 0 || (ptr != NULL && (int)STRLEN(ptr) > new_insert_skip)) { vim_free(last_insert); last_insert = ptr; last_insert_skip = new_insert_skip; } else vim_free(ptr); if (!arrow_used && end_insert_pos != NULL) { /* Auto-format now. It may seem strange to do this when stopping an * insertion (or moving the cursor), but it's required when appending * a line and having it end in a space. But only do it when something * was actually inserted, otherwise undo won't work. */ if (!ins_need_undo && has_format_option(FO_AUTO)) { pos_T tpos = curwin->w_cursor; /* When the cursor is at the end of the line after a space the * formatting will move it to the following word. Avoid that by * moving the cursor onto the space. */ cc = 'x'; if (curwin->w_cursor.col > 0 && gchar_cursor() == NUL) { dec_cursor(); cc = gchar_cursor(); if (!vim_iswhite(cc)) curwin->w_cursor = tpos; } auto_format(TRUE, FALSE); if (vim_iswhite(cc)) { if (gchar_cursor() != NUL) inc_cursor(); #ifdef FEAT_VIRTUALEDIT /* If the cursor is still at the same character, also keep * the "coladd". */ if (gchar_cursor() == NUL && curwin->w_cursor.lnum == tpos.lnum && curwin->w_cursor.col == tpos.col) curwin->w_cursor.coladd = tpos.coladd; #endif } } /* If a space was inserted for auto-formatting, remove it now. */ check_auto_format(TRUE); /* If we just did an auto-indent, remove the white space from the end * of the line, and put the cursor back. * Do this when ESC was used or moving the cursor up/down. * Check for the old position still being valid, just in case the text * got changed unexpectedly. */ if (did_ai && (esc || (vim_strchr(p_cpo, CPO_INDENT) == NULL && curwin->w_cursor.lnum != end_insert_pos->lnum)) && end_insert_pos->lnum <= curbuf->b_ml.ml_line_count) { pos_T tpos = curwin->w_cursor; curwin->w_cursor = *end_insert_pos; check_cursor_col(); /* make sure it is not past the line */ for (;;) { if (gchar_cursor() == NUL && curwin->w_cursor.col > 0) --curwin->w_cursor.col; cc = gchar_cursor(); if (!vim_iswhite(cc)) break; if (del_char(TRUE) == FAIL) break; /* should not happen */ } if (curwin->w_cursor.lnum != tpos.lnum) curwin->w_cursor = tpos; else if (cc != NUL) ++curwin->w_cursor.col; /* put cursor back on the NUL */ #ifdef FEAT_VISUAL /* <C-S-Right> may have started Visual mode, adjust the position for * deleted characters. */ if (VIsual_active && VIsual.lnum == curwin->w_cursor.lnum) { int len = (int)STRLEN(ml_get_curline()); if (VIsual.col > len) { VIsual.col = len; # ifdef FEAT_VIRTUALEDIT VIsual.coladd = 0; # endif } } #endif } } did_ai = FALSE; #ifdef FEAT_SMARTINDENT did_si = FALSE; can_si = FALSE; can_si_back = FALSE; #endif /* Set '[ and '] to the inserted text. When end_insert_pos is NULL we are * now in a different buffer. */ if (end_insert_pos != NULL) { curbuf->b_op_start = Insstart; curbuf->b_op_end = *end_insert_pos; } } /* * Set the last inserted text to a single character. * Used for the replace command. */ void set_last_insert(c) int c; { char_u *s; vim_free(last_insert); #ifdef FEAT_MBYTE last_insert = alloc(MB_MAXBYTES * 3 + 5); #else last_insert = alloc(6); #endif if (last_insert != NULL) { s = last_insert; /* Use the CTRL-V only when entering a special char */ if (c < ' ' || c == DEL) *s++ = Ctrl_V; s = add_char2buf(c, s); *s++ = ESC; *s++ = NUL; last_insert_skip = 0; } } #if defined(EXITFREE) || defined(PROTO) void free_last_insert() { vim_free(last_insert); last_insert = NULL; # ifdef FEAT_INS_EXPAND vim_free(compl_orig_text); compl_orig_text = NULL; # endif } #endif /* * Add character "c" to buffer "s". Escape the special meaning of K_SPECIAL * and CSI. Handle multi-byte characters. * Returns a pointer to after the added bytes. */ char_u * add_char2buf(c, s) int c; char_u *s; { #ifdef FEAT_MBYTE char_u temp[MB_MAXBYTES]; int i; int len; len = (*mb_char2bytes)(c, temp); for (i = 0; i < len; ++i) { c = temp[i]; #endif /* Need to escape K_SPECIAL and CSI like in the typeahead buffer. */ if (c == K_SPECIAL) { *s++ = K_SPECIAL; *s++ = KS_SPECIAL; *s++ = KE_FILLER; } #ifdef FEAT_GUI else if (c == CSI) { *s++ = CSI; *s++ = KS_EXTRA; *s++ = (int)KE_CSI; } #endif else *s++ = c; #ifdef FEAT_MBYTE } #endif return s; } /* * move cursor to start of line * if flags & BL_WHITE move to first non-white * if flags & BL_SOL move to first non-white if startofline is set, * otherwise keep "curswant" column * if flags & BL_FIX don't leave the cursor on a NUL. */ void beginline(flags) int flags; { if ((flags & BL_SOL) && !p_sol) coladvance(curwin->w_curswant); else { curwin->w_cursor.col = 0; #ifdef FEAT_VIRTUALEDIT curwin->w_cursor.coladd = 0; #endif if (flags & (BL_WHITE | BL_SOL)) { char_u *ptr; for (ptr = ml_get_curline(); vim_iswhite(*ptr) && !((flags & BL_FIX) && ptr[1] == NUL); ++ptr) ++curwin->w_cursor.col; } curwin->w_set_curswant = TRUE; } } /* * oneright oneleft cursor_down cursor_up * * Move one char {right,left,down,up}. * Doesn't move onto the NUL past the end of the line, unless it is allowed. * Return OK when successful, FAIL when we hit a line of file boundary. */ int oneright() { char_u *ptr; int l; #ifdef FEAT_VIRTUALEDIT if (virtual_active()) { pos_T prevpos = curwin->w_cursor; /* Adjust for multi-wide char (excluding TAB) */ ptr = ml_get_cursor(); coladvance(getviscol() + ((*ptr != TAB && vim_isprintc( # ifdef FEAT_MBYTE (*mb_ptr2char)(ptr) # else *ptr # endif )) ? ptr2cells(ptr) : 1)); curwin->w_set_curswant = TRUE; /* Return OK if the cursor moved, FAIL otherwise (at window edge). */ return (prevpos.col != curwin->w_cursor.col || prevpos.coladd != curwin->w_cursor.coladd) ? OK : FAIL; } #endif ptr = ml_get_cursor(); if (*ptr == NUL) return FAIL; /* already at the very end */ #ifdef FEAT_MBYTE if (has_mbyte) l = (*mb_ptr2len)(ptr); else #endif l = 1; /* move "l" bytes right, but don't end up on the NUL, unless 'virtualedit' * contains "onemore". */ if (ptr[l] == NUL #ifdef FEAT_VIRTUALEDIT && (ve_flags & VE_ONEMORE) == 0 #endif ) return FAIL; curwin->w_cursor.col += l; curwin->w_set_curswant = TRUE; return OK; } int oneleft() { #ifdef FEAT_VIRTUALEDIT if (virtual_active()) { int width; int v = getviscol(); if (v == 0) return FAIL; # ifdef FEAT_LINEBREAK /* We might get stuck on 'showbreak', skip over it. */ width = 1; for (;;) { coladvance(v - width); /* getviscol() is slow, skip it when 'showbreak' is empty and * there are no multi-byte characters */ if ((*p_sbr == NUL # ifdef FEAT_MBYTE && !has_mbyte # endif ) || getviscol() < v) break; ++width; } # else coladvance(v - 1); # endif if (curwin->w_cursor.coladd == 1) { char_u *ptr; /* Adjust for multi-wide char (not a TAB) */ ptr = ml_get_cursor(); if (*ptr != TAB && vim_isprintc( # ifdef FEAT_MBYTE (*mb_ptr2char)(ptr) # else *ptr # endif ) && ptr2cells(ptr) > 1) curwin->w_cursor.coladd = 0; } curwin->w_set_curswant = TRUE; return OK; } #endif if (curwin->w_cursor.col == 0) return FAIL; curwin->w_set_curswant = TRUE; --curwin->w_cursor.col; #ifdef FEAT_MBYTE /* if the character on the left of the current cursor is a multi-byte * character, move to its first byte */ if (has_mbyte) mb_adjust_cursor(); #endif return OK; } int cursor_up(n, upd_topline) long n; int upd_topline; /* When TRUE: update topline */ { linenr_T lnum; if (n > 0) { lnum = curwin->w_cursor.lnum; /* This fails if the cursor is already in the first line or the count * is larger than the line number and '-' is in 'cpoptions' */ if (lnum <= 1 || (n >= lnum && vim_strchr(p_cpo, CPO_MINUS) != NULL)) return FAIL; if (n >= lnum) lnum = 1; else #ifdef FEAT_FOLDING if (hasAnyFolding(curwin)) { /* * Count each sequence of folded lines as one logical line. */ /* go to the the start of the current fold */ (void)hasFolding(lnum, &lnum, NULL); while (n--) { /* move up one line */ --lnum; if (lnum <= 1) break; /* If we entered a fold, move to the beginning, unless in * Insert mode or when 'foldopen' contains "all": it will open * in a moment. */ if (n > 0 || !((State & INSERT) || (fdo_flags & FDO_ALL))) (void)hasFolding(lnum, &lnum, NULL); } if (lnum < 1) lnum = 1; } else #endif lnum -= n; curwin->w_cursor.lnum = lnum; } /* try to advance to the column we want to be at */ coladvance(curwin->w_curswant); if (upd_topline) update_topline(); /* make sure curwin->w_topline is valid */ return OK; } /* * Cursor down a number of logical lines. */ int cursor_down(n, upd_topline) long n; int upd_topline; /* When TRUE: update topline */ { linenr_T lnum; if (n > 0) { lnum = curwin->w_cursor.lnum; #ifdef FEAT_FOLDING /* Move to last line of fold, will fail if it's the end-of-file. */ (void)hasFolding(lnum, NULL, &lnum); #endif /* This fails if the cursor is already in the last line or would move * beyound the last line and '-' is in 'cpoptions' */ if (lnum >= curbuf->b_ml.ml_line_count || (lnum + n > curbuf->b_ml.ml_line_count && vim_strchr(p_cpo, CPO_MINUS) != NULL)) return FAIL; if (lnum + n >= curbuf->b_ml.ml_line_count) lnum = curbuf->b_ml.ml_line_count; else #ifdef FEAT_FOLDING if (hasAnyFolding(curwin)) { linenr_T last; /* count each sequence of folded lines as one logical line */ while (n--) { if (hasFolding(lnum, NULL, &last)) lnum = last + 1; else ++lnum; if (lnum >= curbuf->b_ml.ml_line_count) break; } if (lnum > curbuf->b_ml.ml_line_count) lnum = curbuf->b_ml.ml_line_count; } else #endif lnum += n; curwin->w_cursor.lnum = lnum; } /* try to advance to the column we want to be at */ coladvance(curwin->w_curswant); if (upd_topline) update_topline(); /* make sure curwin->w_topline is valid */ return OK; } /* * Stuff the last inserted text in the read buffer. * Last_insert actually is a copy of the redo buffer, so we * first have to remove the command. */ int stuff_inserted(c, count, no_esc) int c; /* Command character to be inserted */ long count; /* Repeat this many times */ int no_esc; /* Don't add an ESC at the end */ { char_u *esc_ptr; char_u *ptr; char_u *last_ptr; char_u last = NUL; ptr = get_last_insert(); if (ptr == NULL) { EMSG(_(e_noinstext)); return FAIL; } /* may want to stuff the command character, to start Insert mode */ if (c != NUL) stuffcharReadbuff(c); if ((esc_ptr = (char_u *)vim_strrchr(ptr, ESC)) != NULL) *esc_ptr = NUL; /* remove the ESC */ /* when the last char is either "0" or "^" it will be quoted if no ESC * comes after it OR if it will inserted more than once and "ptr" * starts with ^D. -- Acevedo */ last_ptr = (esc_ptr ? esc_ptr : ptr + STRLEN(ptr)) - 1; if (last_ptr >= ptr && (*last_ptr == '0' || *last_ptr == '^') && (no_esc || (*ptr == Ctrl_D && count > 1))) { last = *last_ptr; *last_ptr = NUL; } do { stuffReadbuff(ptr); /* a trailing "0" is inserted as "<C-V>048", "^" as "<C-V>^" */ if (last) stuffReadbuff((char_u *)(last == '0' ? IF_EB("\026\060\064\070", CTRL_V_STR "xf0") : IF_EB("\026^", CTRL_V_STR "^"))); } while (--count > 0); if (last) *last_ptr = last; if (esc_ptr != NULL) *esc_ptr = ESC; /* put the ESC back */ /* may want to stuff a trailing ESC, to get out of Insert mode */ if (!no_esc) stuffcharReadbuff(ESC); return OK; } char_u * get_last_insert() { if (last_insert == NULL) return NULL; return last_insert + last_insert_skip; } /* * Get last inserted string, and remove trailing <Esc>. * Returns pointer to allocated memory (must be freed) or NULL. */ char_u * get_last_insert_save() { char_u *s; int len; if (last_insert == NULL) return NULL; s = vim_strsave(last_insert + last_insert_skip); if (s != NULL) { len = (int)STRLEN(s); if (len > 0 && s[len - 1] == ESC) /* remove trailing ESC */ s[len - 1] = NUL; } return s; } /* * Check the word in front of the cursor for an abbreviation. * Called when the non-id character "c" has been entered. * When an abbreviation is recognized it is removed from the text and * the replacement string is inserted in typebuf.tb_buf[], followed by "c". */ static int echeck_abbr(c) int c; { /* Don't check for abbreviation in paste mode, when disabled and just * after moving around with cursor keys. */ if (p_paste || no_abbr || arrow_used) return FALSE; return check_abbr(c, ml_get_curline(), curwin->w_cursor.col, curwin->w_cursor.lnum == Insstart.lnum ? Insstart.col : 0); } /* * replace-stack functions * * When replacing characters, the replaced characters are remembered for each * new character. This is used to re-insert the old text when backspacing. * * There is a NUL headed list of characters for each character that is * currently in the file after the insertion point. When BS is used, one NUL * headed list is put back for the deleted character. * * For a newline, there are two NUL headed lists. One contains the characters * that the NL replaced. The extra one stores the characters after the cursor * that were deleted (always white space). * * Replace_offset is normally 0, in which case replace_push will add a new * character at the end of the stack. If replace_offset is not 0, that many * characters will be left on the stack above the newly inserted character. */ static char_u *replace_stack = NULL; static long replace_stack_nr = 0; /* next entry in replace stack */ static long replace_stack_len = 0; /* max. number of entries */ void replace_push(c) int c; /* character that is replaced (NUL is none) */ { char_u *p; if (replace_stack_nr < replace_offset) /* nothing to do */ return; if (replace_stack_len <= replace_stack_nr) { replace_stack_len += 50; p = lalloc(sizeof(char_u) * replace_stack_len, TRUE); if (p == NULL) /* out of memory */ { replace_stack_len -= 50; return; } if (replace_stack != NULL) { mch_memmove(p, replace_stack, (size_t)(replace_stack_nr * sizeof(char_u))); vim_free(replace_stack); } replace_stack = p; } p = replace_stack + replace_stack_nr - replace_offset; if (replace_offset) mch_memmove(p + 1, p, (size_t)(replace_offset * sizeof(char_u))); *p = c; ++replace_stack_nr; } #if defined(FEAT_MBYTE) || defined(PROTO) /* * Push a character onto the replace stack. Handles a multi-byte character in * reverse byte order, so that the first byte is popped off first. * Return the number of bytes done (includes composing characters). */ int replace_push_mb(p) char_u *p; { int l = (*mb_ptr2len)(p); int j; for (j = l - 1; j >= 0; --j) replace_push(p[j]); return l; } #endif #if 0 /* * call replace_push(c) with replace_offset set to the first NUL. */ static void replace_push_off(c) int c; { char_u *p; p = replace_stack + replace_stack_nr; for (replace_offset = 1; replace_offset < replace_stack_nr; ++replace_offset) if (*--p == NUL) break; replace_push(c); replace_offset = 0; } #endif /* * Pop one item from the replace stack. * return -1 if stack empty * return replaced character or NUL otherwise */ static int replace_pop() { if (replace_stack_nr == 0) return -1; return (int)replace_stack[--replace_stack_nr]; } /* * Join the top two items on the replace stack. This removes to "off"'th NUL * encountered. */ static void replace_join(off) int off; /* offset for which NUL to remove */ { int i; for (i = replace_stack_nr; --i >= 0; ) if (replace_stack[i] == NUL && off-- <= 0) { --replace_stack_nr; mch_memmove(replace_stack + i, replace_stack + i + 1, (size_t)(replace_stack_nr - i)); return; } } /* * Pop bytes from the replace stack until a NUL is found, and insert them * before the cursor. Can only be used in REPLACE or VREPLACE mode. */ static void replace_pop_ins() { int cc; int oldState = State; State = NORMAL; /* don't want REPLACE here */ while ((cc = replace_pop()) > 0) { #ifdef FEAT_MBYTE mb_replace_pop_ins(cc); #else ins_char(cc); #endif dec_cursor(); } State = oldState; } #ifdef FEAT_MBYTE /* * Insert bytes popped from the replace stack. "cc" is the first byte. If it * indicates a multi-byte char, pop the other bytes too. */ static void mb_replace_pop_ins(cc) int cc; { int n; char_u buf[MB_MAXBYTES]; int i; int c; if (has_mbyte && (n = MB_BYTE2LEN(cc)) > 1) { buf[0] = cc; for (i = 1; i < n; ++i) buf[i] = replace_pop(); ins_bytes_len(buf, n); } else ins_char(cc); if (enc_utf8) /* Handle composing chars. */ for (;;) { c = replace_pop(); if (c == -1) /* stack empty */ break; if ((n = MB_BYTE2LEN(c)) == 1) { /* Not a multi-byte char, put it back. */ replace_push(c); break; } else { buf[0] = c; for (i = 1; i < n; ++i) buf[i] = replace_pop(); if (utf_iscomposing(utf_ptr2char(buf))) ins_bytes_len(buf, n); else { /* Not a composing char, put it back. */ for (i = n - 1; i >= 0; --i) replace_push(buf[i]); break; } } } } #endif /* * make the replace stack empty * (called when exiting replace mode) */ static void replace_flush() { vim_free(replace_stack); replace_stack = NULL; replace_stack_len = 0; replace_stack_nr = 0; } /* * Handle doing a BS for one character. * cc < 0: replace stack empty, just move cursor * cc == 0: character was inserted, delete it * cc > 0: character was replaced, put cc (first byte of original char) back * and check for more characters to be put back * When "limit_col" is >= 0, don't delete before this column. Matters when * using composing characters, use del_char_after_col() instead of del_char(). */ static void replace_do_bs(limit_col) int limit_col; { int cc; #ifdef FEAT_VREPLACE int orig_len = 0; int ins_len; int orig_vcols = 0; colnr_T start_vcol; char_u *p; int i; int vcol; #endif cc = replace_pop(); if (cc > 0) { #ifdef FEAT_VREPLACE if (State & VREPLACE_FLAG) { /* Get the number of screen cells used by the character we are * going to delete. */ getvcol(curwin, &curwin->w_cursor, NULL, &start_vcol, NULL); orig_vcols = chartabsize(ml_get_cursor(), start_vcol); } #endif #ifdef FEAT_MBYTE if (has_mbyte) { (void)del_char_after_col(limit_col); # ifdef FEAT_VREPLACE if (State & VREPLACE_FLAG) orig_len = (int)STRLEN(ml_get_cursor()); # endif replace_push(cc); } else #endif { pchar_cursor(cc); #ifdef FEAT_VREPLACE if (State & VREPLACE_FLAG) orig_len = (int)STRLEN(ml_get_cursor()) - 1; #endif } replace_pop_ins(); #ifdef FEAT_VREPLACE if (State & VREPLACE_FLAG) { /* Get the number of screen cells used by the inserted characters */ p = ml_get_cursor(); ins_len = (int)STRLEN(p) - orig_len; vcol = start_vcol; for (i = 0; i < ins_len; ++i) { vcol += chartabsize(p + i, vcol); #ifdef FEAT_MBYTE i += (*mb_ptr2len)(p) - 1; #endif } vcol -= start_vcol; /* Delete spaces that were inserted after the cursor to keep the * text aligned. */ curwin->w_cursor.col += ins_len; while (vcol > orig_vcols && gchar_cursor() == ' ') { del_char(FALSE); ++orig_vcols; } curwin->w_cursor.col -= ins_len; } #endif /* mark the buffer as changed and prepare for displaying */ changed_bytes(curwin->w_cursor.lnum, curwin->w_cursor.col); } else if (cc == 0) (void)del_char_after_col(limit_col); } #ifdef FEAT_CINDENT /* * Return TRUE if C-indenting is on. */ static int cindent_on() { return (!p_paste && (curbuf->b_p_cin # ifdef FEAT_EVAL || *curbuf->b_p_inde != NUL # endif )); } #endif #if defined(FEAT_LISP) || defined(FEAT_CINDENT) || defined(PROTO) /* * Re-indent the current line, based on the current contents of it and the * surrounding lines. Fixing the cursor position seems really easy -- I'm very * confused what all the part that handles Control-T is doing that I'm not. * "get_the_indent" should be get_c_indent, get_expr_indent or get_lisp_indent. */ void fixthisline(get_the_indent) int (*get_the_indent) __ARGS((void)); { change_indent(INDENT_SET, get_the_indent(), FALSE, 0, TRUE); if (linewhite(curwin->w_cursor.lnum)) did_ai = TRUE; /* delete the indent if the line stays empty */ } void fix_indent() { if (p_paste) return; # ifdef FEAT_LISP if (curbuf->b_p_lisp && curbuf->b_p_ai) fixthisline(get_lisp_indent); # endif # if defined(FEAT_LISP) && defined(FEAT_CINDENT) else # endif # ifdef FEAT_CINDENT if (cindent_on()) do_c_expr_indent(); # endif } #endif #ifdef FEAT_CINDENT /* * return TRUE if 'cinkeys' contains the key "keytyped", * when == '*': Only if key is preceded with '*' (indent before insert) * when == '!': Only if key is prededed with '!' (don't insert) * when == ' ': Only if key is not preceded with '*'(indent afterwards) * * "keytyped" can have a few special values: * KEY_OPEN_FORW * KEY_OPEN_BACK * KEY_COMPLETE just finished completion. * * If line_is_empty is TRUE accept keys with '0' before them. */ int in_cinkeys(keytyped, when, line_is_empty) int keytyped; int when; int line_is_empty; { char_u *look; int try_match; int try_match_word; char_u *p; char_u *line; int icase; int i; #ifdef FEAT_EVAL if (*curbuf->b_p_inde != NUL) look = curbuf->b_p_indk; /* 'indentexpr' set: use 'indentkeys' */ else #endif look = curbuf->b_p_cink; /* 'indentexpr' empty: use 'cinkeys' */ while (*look) { /* * Find out if we want to try a match with this key, depending on * 'when' and a '*' or '!' before the key. */ switch (when) { case '*': try_match = (*look == '*'); break; case '!': try_match = (*look == '!'); break; default: try_match = (*look != '*'); break; } if (*look == '*' || *look == '!') ++look; /* * If there is a '0', only accept a match if the line is empty. * But may still match when typing last char of a word. */ if (*look == '0') { try_match_word = try_match; if (!line_is_empty) try_match = FALSE; ++look; } else try_match_word = FALSE; /* * does it look like a control character? */ if (*look == '^' #ifdef EBCDIC && (Ctrl_chr(look[1]) != 0) #else && look[1] >= '?' && look[1] <= '_' #endif ) { if (try_match && keytyped == Ctrl_chr(look[1])) return TRUE; look += 2; } /* * 'o' means "o" command, open forward. * 'O' means "O" command, open backward. */ else if (*look == 'o') { if (try_match && keytyped == KEY_OPEN_FORW) return TRUE; ++look; } else if (*look == 'O') { if (try_match && keytyped == KEY_OPEN_BACK) return TRUE; ++look; } /* * 'e' means to check for "else" at start of line and just before the * cursor. */ else if (*look == 'e') { if (try_match && keytyped == 'e' && curwin->w_cursor.col >= 4) { p = ml_get_curline(); if (skipwhite(p) == p + curwin->w_cursor.col - 4 && STRNCMP(p + curwin->w_cursor.col - 4, "else", 4) == 0) return TRUE; } ++look; } /* * ':' only causes an indent if it is at the end of a label or case * statement, or when it was before typing the ':' (to fix * class::method for C++). */ else if (*look == ':') { if (try_match && keytyped == ':') { p = ml_get_curline(); if (cin_iscase(p) || cin_isscopedecl(p) || cin_islabel(30)) return TRUE; /* Need to get the line again after cin_islabel(). */ p = ml_get_curline(); if (curwin->w_cursor.col > 2 && p[curwin->w_cursor.col - 1] == ':' && p[curwin->w_cursor.col - 2] == ':') { p[curwin->w_cursor.col - 1] = ' '; i = (cin_iscase(p) || cin_isscopedecl(p) || cin_islabel(30)); p = ml_get_curline(); p[curwin->w_cursor.col - 1] = ':'; if (i) return TRUE; } } ++look; } /* * Is it a key in <>, maybe? */ else if (*look == '<') { if (try_match) { /* * make up some named keys <o>, <O>, <e>, <0>, <>>, <<>, <*>, * <:> and <!> so that people can re-indent on o, O, e, 0, <, * >, *, : and ! keys if they really really want to. */ if (vim_strchr((char_u *)"<>!*oOe0:", look[1]) != NULL && keytyped == look[1]) return TRUE; if (keytyped == get_special_key_code(look + 1)) return TRUE; } while (*look && *look != '>') look++; while (*look == '>') look++; } /* * Is it a word: "=word"? */ else if (*look == '=' && look[1] != ',' && look[1] != NUL) { ++look; if (*look == '~') { icase = TRUE; ++look; } else icase = FALSE; p = vim_strchr(look, ','); if (p == NULL) p = look + STRLEN(look); if ((try_match || try_match_word) && curwin->w_cursor.col >= (colnr_T)(p - look)) { int match = FALSE; #ifdef FEAT_INS_EXPAND if (keytyped == KEY_COMPLETE) { char_u *s; /* Just completed a word, check if it starts with "look". * search back for the start of a word. */ line = ml_get_curline(); # ifdef FEAT_MBYTE if (has_mbyte) { char_u *n; for (s = line + curwin->w_cursor.col; s > line; s = n) { n = mb_prevptr(line, s); if (!vim_iswordp(n)) break; } } else # endif for (s = line + curwin->w_cursor.col; s > line; --s) if (!vim_iswordc(s[-1])) break; if (s + (p - look) <= line + curwin->w_cursor.col && (icase ? MB_STRNICMP(s, look, p - look) : STRNCMP(s, look, p - look)) == 0) match = TRUE; } else #endif /* TODO: multi-byte */ if (keytyped == (int)p[-1] || (icase && keytyped < 256 && TOLOWER_LOC(keytyped) == TOLOWER_LOC((int)p[-1]))) { line = ml_get_cursor(); if ((curwin->w_cursor.col == (colnr_T)(p - look) || !vim_iswordc(line[-(p - look) - 1])) && (icase ? MB_STRNICMP(line - (p - look), look, p - look) : STRNCMP(line - (p - look), look, p - look)) == 0) match = TRUE; } if (match && try_match_word && !try_match) { /* "0=word": Check if there are only blanks before the * word. */ line = ml_get_curline(); if ((int)(skipwhite(line) - line) != (int)(curwin->w_cursor.col - (p - look))) match = FALSE; } if (match) return TRUE; } look = p; } /* * ok, it's a boring generic character. */ else { if (try_match && *look == keytyped) return TRUE; ++look; } /* * Skip over ", ". */ look = skip_to_option_part(look); } return FALSE; } #endif /* FEAT_CINDENT */ #if defined(FEAT_RIGHTLEFT) || defined(PROTO) /* * Map Hebrew keyboard when in hkmap mode. */ int hkmap(c) int c; { if (p_hkmapp) /* phonetic mapping, by Ilya Dogolazky */ { enum {hALEF=0, BET, GIMEL, DALET, HEI, VAV, ZAIN, HET, TET, IUD, KAFsofit, hKAF, LAMED, MEMsofit, MEM, NUNsofit, NUN, SAMEH, AIN, PEIsofit, PEI, ZADIsofit, ZADI, KOF, RESH, hSHIN, TAV}; static char_u map[26] = {(char_u)hALEF/*a*/, (char_u)BET /*b*/, (char_u)hKAF /*c*/, (char_u)DALET/*d*/, (char_u)-1 /*e*/, (char_u)PEIsofit/*f*/, (char_u)GIMEL/*g*/, (char_u)HEI /*h*/, (char_u)IUD /*i*/, (char_u)HET /*j*/, (char_u)KOF /*k*/, (char_u)LAMED /*l*/, (char_u)MEM /*m*/, (char_u)NUN /*n*/, (char_u)SAMEH /*o*/, (char_u)PEI /*p*/, (char_u)-1 /*q*/, (char_u)RESH /*r*/, (char_u)ZAIN /*s*/, (char_u)TAV /*t*/, (char_u)TET /*u*/, (char_u)VAV /*v*/, (char_u)hSHIN/*w*/, (char_u)-1 /*x*/, (char_u)AIN /*y*/, (char_u)ZADI /*z*/}; if (c == 'N' || c == 'M' || c == 'P' || c == 'C' || c == 'Z') return (int)(map[CharOrd(c)] - 1 + p_aleph); /* '-1'='sofit' */ else if (c == 'x') return 'X'; else if (c == 'q') return '\''; /* {geresh}={'} */ else if (c == 246) return ' '; /* \"o --> ' ' for a german keyboard */ else if (c == 228) return ' '; /* \"a --> ' ' -- / -- */ else if (c == 252) return ' '; /* \"u --> ' ' -- / -- */ #ifdef EBCDIC else if (islower(c)) #else /* NOTE: islower() does not do the right thing for us on Linux so we * do this the same was as 5.7 and previous, so it works correctly on * all systems. Specifically, the e.g. Delete and Arrow keys are * munged and won't work if e.g. searching for Hebrew text. */ else if (c >= 'a' && c <= 'z') #endif return (int)(map[CharOrdLow(c)] + p_aleph); else return c; } else { switch (c) { case '`': return ';'; case '/': return '.'; case '\'': return ','; case 'q': return '/'; case 'w': return '\''; /* Hebrew letters - set offset from 'a' */ case ',': c = '{'; break; case '.': c = 'v'; break; case ';': c = 't'; break; default: { static char str[] = "zqbcxlsjphmkwonu ydafe rig"; #ifdef EBCDIC /* see note about islower() above */ if (!islower(c)) #else if (c < 'a' || c > 'z') #endif return c; c = str[CharOrdLow(c)]; break; } } return (int)(CharOrdLow(c) + p_aleph); } } #endif static void ins_reg() { int need_redraw = FALSE; int regname; int literally = 0; #ifdef FEAT_VISUAL int vis_active = VIsual_active; #endif /* * If we are going to wait for a character, show a '"'. */ pc_status = PC_STATUS_UNSET; if (redrawing() && !char_avail()) { /* may need to redraw when no more chars available now */ ins_redraw(FALSE); edit_putchar('"', TRUE); #ifdef FEAT_CMDL_INFO add_to_showcmd_c(Ctrl_R); #endif } #ifdef USE_ON_FLY_SCROLL dont_scroll = TRUE; /* disallow scrolling here */ #endif /* * Don't map the register name. This also prevents the mode message to be * deleted when ESC is hit. */ ++no_mapping; regname = plain_vgetc(); LANGMAP_ADJUST(regname, TRUE); if (regname == Ctrl_R || regname == Ctrl_O || regname == Ctrl_P) { /* Get a third key for literal register insertion */ literally = regname; #ifdef FEAT_CMDL_INFO add_to_showcmd_c(literally); #endif regname = plain_vgetc(); LANGMAP_ADJUST(regname, TRUE); } --no_mapping; #ifdef FEAT_EVAL /* * Don't call u_sync() while getting the expression, * evaluating it or giving an error message for it! */ ++no_u_sync; if (regname == '=') { # ifdef USE_IM_CONTROL int im_on = im_get_status(); # endif regname = get_expr_register(); # ifdef USE_IM_CONTROL /* Restore the Input Method. */ if (im_on) im_set_active(TRUE); # endif } if (regname == NUL || !valid_yank_reg(regname, FALSE)) { vim_beep(); need_redraw = TRUE; /* remove the '"' */ } else { #endif if (literally == Ctrl_O || literally == Ctrl_P) { /* Append the command to the redo buffer. */ AppendCharToRedobuff(Ctrl_R); AppendCharToRedobuff(literally); AppendCharToRedobuff(regname); do_put(regname, BACKWARD, 1L, (literally == Ctrl_P ? PUT_FIXINDENT : 0) | PUT_CURSEND); } else if (insert_reg(regname, literally) == FAIL) { vim_beep(); need_redraw = TRUE; /* remove the '"' */ } else if (stop_insert_mode) /* When the '=' register was used and a function was invoked that * did ":stopinsert" then stuff_empty() returns FALSE but we won't * insert anything, need to remove the '"' */ need_redraw = TRUE; #ifdef FEAT_EVAL } --no_u_sync; #endif #ifdef FEAT_CMDL_INFO clear_showcmd(); #endif /* If the inserted register is empty, we need to remove the '"' */ if (need_redraw || stuff_empty()) edit_unputchar(); #ifdef FEAT_VISUAL /* Disallow starting Visual mode here, would get a weird mode. */ if (!vis_active && VIsual_active) end_visual_mode(); #endif } /* * CTRL-G commands in Insert mode. */ static void ins_ctrl_g() { int c; #ifdef FEAT_INS_EXPAND /* Right after CTRL-X the cursor will be after the ruler. */ setcursor(); #endif /* * Don't map the second key. This also prevents the mode message to be * deleted when ESC is hit. */ ++no_mapping; c = plain_vgetc(); --no_mapping; switch (c) { /* CTRL-G k and CTRL-G <Up>: cursor up to Insstart.col */ case K_UP: case Ctrl_K: case 'k': ins_up(TRUE); break; /* CTRL-G j and CTRL-G <Down>: cursor down to Insstart.col */ case K_DOWN: case Ctrl_J: case 'j': ins_down(TRUE); break; /* CTRL-G u: start new undoable edit */ case 'u': u_sync(TRUE); ins_need_undo = TRUE; /* Need to reset Insstart, esp. because a BS that joins * a line to the previous one must save for undo. */ Insstart = curwin->w_cursor; break; /* Unknown CTRL-G command, reserved for future expansion. */ default: vim_beep(); } } /* * CTRL-^ in Insert mode. */ static void ins_ctrl_hat() { if (map_to_exists_mode((char_u *)"", LANGMAP, FALSE)) { /* ":lmap" mappings exists, Toggle use of ":lmap" mappings. */ if (State & LANGMAP) { curbuf->b_p_iminsert = B_IMODE_NONE; State &= ~LANGMAP; } else { curbuf->b_p_iminsert = B_IMODE_LMAP; State |= LANGMAP; #ifdef USE_IM_CONTROL im_set_active(FALSE); #endif } } #ifdef USE_IM_CONTROL else { /* There are no ":lmap" mappings, toggle IM */ if (im_get_status()) { curbuf->b_p_iminsert = B_IMODE_NONE; im_set_active(FALSE); } else { curbuf->b_p_iminsert = B_IMODE_IM; State &= ~LANGMAP; im_set_active(TRUE); } } #endif set_iminsert_global(); showmode(); #ifdef FEAT_GUI /* may show different cursor shape or color */ if (gui.in_use) gui_update_cursor(TRUE, FALSE); #endif #if defined(FEAT_WINDOWS) && defined(FEAT_KEYMAP) /* Show/unshow value of 'keymap' in status lines. */ status_redraw_curbuf(); #endif } /* * Handle ESC in insert mode. * Returns TRUE when leaving insert mode, FALSE when going to repeat the * insert. */ static int ins_esc(count, cmdchar, nomove) long *count; int cmdchar; int nomove; /* don't move cursor */ { int temp; static int disabled_redraw = FALSE; #ifdef FEAT_SPELL check_spell_redraw(); #endif #if defined(FEAT_HANGULIN) # if defined(ESC_CHG_TO_ENG_MODE) hangul_input_state_set(0); # endif if (composing_hangul) { push_raw_key(composing_hangul_buffer, 2); composing_hangul = 0; } #endif temp = curwin->w_cursor.col; if (disabled_redraw) { --RedrawingDisabled; disabled_redraw = FALSE; } if (!arrow_used) { /* * Don't append the ESC for "r<CR>" and "grx". * When 'insertmode' is set only CTRL-L stops Insert mode. Needed for * when "count" is non-zero. */ if (cmdchar != 'r' && cmdchar != 'v') AppendToRedobuff(p_im ? (char_u *)"\014" : ESC_STR); /* * Repeating insert may take a long time. Check for * interrupt now and then. */ if (*count > 0) { line_breakcheck(); if (got_int) *count = 0; } if (--*count > 0) /* repeat what was typed */ { /* Vi repeats the insert without replacing characters. */ if (vim_strchr(p_cpo, CPO_REPLCNT) != NULL) State &= ~REPLACE_FLAG; (void)start_redo_ins(); if (cmdchar == 'r' || cmdchar == 'v') stuffReadbuff(ESC_STR); /* no ESC in redo buffer */ ++RedrawingDisabled; disabled_redraw = TRUE; return FALSE; /* repeat the insert */ } stop_insert(&curwin->w_cursor, TRUE); undisplay_dollar(); } /* When an autoindent was removed, curswant stays after the * indent */ if (restart_edit == NUL && (colnr_T)temp == curwin->w_cursor.col) curwin->w_set_curswant = TRUE; /* Remember the last Insert position in the '^ mark. */ if (!cmdmod.keepjumps) curbuf->b_last_insert = curwin->w_cursor; /* * The cursor should end up on the last inserted character. * Don't do it for CTRL-O, unless past the end of the line. */ if (!nomove && (curwin->w_cursor.col != 0 #ifdef FEAT_VIRTUALEDIT || curwin->w_cursor.coladd > 0 #endif ) && (restart_edit == NUL || (gchar_cursor() == NUL #ifdef FEAT_VISUAL && !VIsual_active #endif )) #ifdef FEAT_RIGHTLEFT && !revins_on #endif ) { #ifdef FEAT_VIRTUALEDIT if (curwin->w_cursor.coladd > 0 || ve_flags == VE_ALL) { oneleft(); if (restart_edit != NUL) ++curwin->w_cursor.coladd; } else #endif { --curwin->w_cursor.col; #ifdef FEAT_MBYTE /* Correct cursor for multi-byte character. */ if (has_mbyte) mb_adjust_cursor(); #endif } } #ifdef USE_IM_CONTROL /* Disable IM to allow typing English directly for Normal mode commands. * When ":lmap" is enabled don't change 'iminsert' (IM can be enabled as * well). */ if (!(State & LANGMAP)) im_save_status(&curbuf->b_p_iminsert); im_set_active(FALSE); #endif State = NORMAL; /* need to position cursor again (e.g. when on a TAB ) */ changed_cline_bef_curs(); #ifdef FEAT_MOUSE setmouse(); #endif #ifdef CURSOR_SHAPE ui_cursor_shape(); /* may show different cursor shape */ #endif /* * When recording or for CTRL-O, need to display the new mode. * Otherwise remove the mode message. */ if (Recording || restart_edit != NUL) showmode(); else if (p_smd) MSG(""); return TRUE; /* exit Insert mode */ } #ifdef FEAT_RIGHTLEFT /* * Toggle language: hkmap and revins_on. * Move to end of reverse inserted text. */ static void ins_ctrl_() { if (revins_on && revins_chars && revins_scol >= 0) { while (gchar_cursor() != NUL && revins_chars--) ++curwin->w_cursor.col; } p_ri = !p_ri; revins_on = (State == INSERT && p_ri); if (revins_on) { revins_scol = curwin->w_cursor.col; revins_legal++; revins_chars = 0; undisplay_dollar(); } else revins_scol = -1; #ifdef FEAT_FKMAP if (p_altkeymap) { /* * to be consistent also for redo command, using '.' * set arrow_used to true and stop it - causing to redo * characters entered in one mode (normal/reverse insert). */ arrow_used = TRUE; (void)stop_arrow(); p_fkmap = curwin->w_p_rl ^ p_ri; if (p_fkmap && p_ri) State = INSERT; } else #endif p_hkmap = curwin->w_p_rl ^ p_ri; /* be consistent! */ showmode(); } #endif #ifdef FEAT_VISUAL /* * If 'keymodel' contains "startsel", may start selection. * Returns TRUE when a CTRL-O and other keys stuffed. */ static int ins_start_select(c) int c; { if (km_startsel) switch (c) { case K_KHOME: case K_KEND: case K_PAGEUP: case K_KPAGEUP: case K_PAGEDOWN: case K_KPAGEDOWN: # ifdef MACOS case K_LEFT: case K_RIGHT: case K_UP: case K_DOWN: case K_END: case K_HOME: # endif if (!(mod_mask & MOD_MASK_SHIFT)) break; /* FALLTHROUGH */ case K_S_LEFT: case K_S_RIGHT: case K_S_UP: case K_S_DOWN: case K_S_END: case K_S_HOME: /* Start selection right away, the cursor can move with * CTRL-O when beyond the end of the line. */ start_selection(); /* Execute the key in (insert) Select mode. */ stuffcharReadbuff(Ctrl_O); if (mod_mask) { char_u buf[4]; buf[0] = K_SPECIAL; buf[1] = KS_MODIFIER; buf[2] = mod_mask; buf[3] = NUL; stuffReadbuff(buf); } stuffcharReadbuff(c); return TRUE; } return FALSE; } #endif /* * <Insert> key in Insert mode: toggle insert/remplace mode. */ static void ins_insert(replaceState) int replaceState; { #ifdef FEAT_FKMAP if (p_fkmap && p_ri) { beep_flush(); EMSG(farsi_text_3); /* encoded in Farsi */ return; } #endif #ifdef FEAT_AUTOCMD # ifdef FEAT_EVAL set_vim_var_string(VV_INSERTMODE, (char_u *)((State & REPLACE_FLAG) ? "i" : # ifdef FEAT_VREPLACE replaceState == VREPLACE ? "v" : # endif "r"), 1); # endif apply_autocmds(EVENT_INSERTCHANGE, NULL, NULL, FALSE, curbuf); #endif if (State & REPLACE_FLAG) State = INSERT | (State & LANGMAP); else State = replaceState | (State & LANGMAP); AppendCharToRedobuff(K_INS); showmode(); #ifdef CURSOR_SHAPE ui_cursor_shape(); /* may show different cursor shape */ #endif } /* * Pressed CTRL-O in Insert mode. */ static void ins_ctrl_o() { #ifdef FEAT_VREPLACE if (State & VREPLACE_FLAG) restart_edit = 'V'; else #endif if (State & REPLACE_FLAG) restart_edit = 'R'; else restart_edit = 'I'; #ifdef FEAT_VIRTUALEDIT if (virtual_active()) ins_at_eol = FALSE; /* cursor always keeps its column */ else #endif ins_at_eol = (gchar_cursor() == NUL); } /* * If the cursor is on an indent, ^T/^D insert/delete one * shiftwidth. Otherwise ^T/^D behave like a "<<" or ">>". * Always round the indent to 'shiftwidth', this is compatible * with vi. But vi only supports ^T and ^D after an * autoindent, we support it everywhere. */ static void ins_shift(c, lastc) int c; int lastc; { if (stop_arrow() == FAIL) return; AppendCharToRedobuff(c); /* * 0^D and ^^D: remove all indent. */ if (c == Ctrl_D && (lastc == '0' || lastc == '^') && curwin->w_cursor.col > 0) { --curwin->w_cursor.col; (void)del_char(FALSE); /* delete the '^' or '0' */ /* In Replace mode, restore the characters that '^' or '0' replaced. */ if (State & REPLACE_FLAG) replace_pop_ins(); if (lastc == '^') old_indent = get_indent(); /* remember curr. indent */ change_indent(INDENT_SET, 0, TRUE, 0, TRUE); } else change_indent(c == Ctrl_D ? INDENT_DEC : INDENT_INC, 0, TRUE, 0, TRUE); if (did_ai && *skipwhite(ml_get_curline()) != NUL) did_ai = FALSE; #ifdef FEAT_SMARTINDENT did_si = FALSE; can_si = FALSE; can_si_back = FALSE; #endif #ifdef FEAT_CINDENT can_cindent = FALSE; /* no cindenting after ^D or ^T */ #endif } static void ins_del() { int temp; if (stop_arrow() == FAIL) return; if (gchar_cursor() == NUL) /* delete newline */ { temp = curwin->w_cursor.col; if (!can_bs(BS_EOL) /* only if "eol" included */ || u_save((linenr_T)(curwin->w_cursor.lnum - 1), (linenr_T)(curwin->w_cursor.lnum + 2)) == FAIL || do_join(FALSE) == FAIL) vim_beep(); else curwin->w_cursor.col = temp; } else if (del_char(FALSE) == FAIL) /* delete char under cursor */ vim_beep(); did_ai = FALSE; #ifdef FEAT_SMARTINDENT did_si = FALSE; can_si = FALSE; can_si_back = FALSE; #endif AppendCharToRedobuff(K_DEL); } static void ins_bs_one __ARGS((colnr_T *vcolp)); /* * Delete one character for ins_bs(). */ static void ins_bs_one(vcolp) colnr_T *vcolp; { dec_cursor(); getvcol(curwin, &curwin->w_cursor, vcolp, NULL, NULL); if (State & REPLACE_FLAG) { /* Don't delete characters before the insert point when in * Replace mode */ if (curwin->w_cursor.lnum != Insstart.lnum || curwin->w_cursor.col >= Insstart.col) replace_do_bs(-1); } else (void)del_char(FALSE); } /* * Handle Backspace, delete-word and delete-line in Insert mode. * Return TRUE when backspace was actually used. */ static int ins_bs(c, mode, inserted_space_p) int c; int mode; int *inserted_space_p; { linenr_T lnum; int cc; int temp = 0; /* init for GCC */ colnr_T save_col; colnr_T mincol; int did_backspace = FALSE; int in_indent; int oldState; #ifdef FEAT_MBYTE int cpc[MAX_MCO]; /* composing characters */ #endif /* * can't delete anything in an empty file * can't backup past first character in buffer * can't backup past starting point unless 'backspace' > 1 * can backup to a previous line if 'backspace' == 0 */ if ( bufempty() || ( #ifdef FEAT_RIGHTLEFT !revins_on && #endif ((curwin->w_cursor.lnum == 1 && curwin->w_cursor.col == 0) || (!can_bs(BS_START) && (arrow_used || (curwin->w_cursor.lnum == Insstart.lnum && curwin->w_cursor.col <= Insstart.col))) || (!can_bs(BS_INDENT) && !arrow_used && ai_col > 0 && curwin->w_cursor.col <= ai_col) || (!can_bs(BS_EOL) && curwin->w_cursor.col == 0)))) { vim_beep(); return FALSE; } if (stop_arrow() == FAIL) return FALSE; in_indent = inindent(0); #ifdef FEAT_CINDENT if (in_indent) can_cindent = FALSE; #endif #ifdef FEAT_COMMENTS end_comment_pending = NUL; /* After BS, don't auto-end comment */ #endif #ifdef FEAT_RIGHTLEFT if (revins_on) /* put cursor after last inserted char */ inc_cursor(); #endif #ifdef FEAT_VIRTUALEDIT /* Virtualedit: * BACKSPACE_CHAR eats a virtual space * BACKSPACE_WORD eats all coladd * BACKSPACE_LINE eats all coladd and keeps going */ if (curwin->w_cursor.coladd > 0) { if (mode == BACKSPACE_CHAR) { --curwin->w_cursor.coladd; return TRUE; } if (mode == BACKSPACE_WORD) { curwin->w_cursor.coladd = 0; return TRUE; } curwin->w_cursor.coladd = 0; } #endif /* * delete newline! */ if (curwin->w_cursor.col == 0) { lnum = Insstart.lnum; if (curwin->w_cursor.lnum == Insstart.lnum #ifdef FEAT_RIGHTLEFT || revins_on #endif ) { if (u_save((linenr_T)(curwin->w_cursor.lnum - 2), (linenr_T)(curwin->w_cursor.lnum + 1)) == FAIL) return FALSE; --Insstart.lnum; Insstart.col = MAXCOL; } /* * In replace mode: * cc < 0: NL was inserted, delete it * cc >= 0: NL was replaced, put original characters back */ cc = -1; if (State & REPLACE_FLAG) cc = replace_pop(); /* returns -1 if NL was inserted */ /* * In replace mode, in the line we started replacing, we only move the * cursor. */ if ((State & REPLACE_FLAG) && curwin->w_cursor.lnum <= lnum) { dec_cursor(); } else { #ifdef FEAT_VREPLACE if (!(State & VREPLACE_FLAG) || curwin->w_cursor.lnum > orig_line_count) #endif { temp = gchar_cursor(); /* remember current char */ --curwin->w_cursor.lnum; /* When "aw" is in 'formatoptions' we must delete the space at * the end of the line, otherwise the line will be broken * again when auto-formatting. */ if (has_format_option(FO_AUTO) && has_format_option(FO_WHITE_PAR)) { char_u *ptr = ml_get_buf(curbuf, curwin->w_cursor.lnum, TRUE); int len; len = (int)STRLEN(ptr); if (len > 0 && ptr[len - 1] == ' ') ptr[len - 1] = NUL; } (void)do_join(FALSE); if (temp == NUL && gchar_cursor() != NUL) inc_cursor(); } #ifdef FEAT_VREPLACE else dec_cursor(); #endif /* * In REPLACE mode we have to put back the text that was replaced * by the NL. On the replace stack is first a NUL-terminated * sequence of characters that were deleted and then the * characters that NL replaced. */ if (State & REPLACE_FLAG) { /* * Do the next ins_char() in NORMAL state, to * prevent ins_char() from replacing characters and * avoiding showmatch(). */ oldState = State; State = NORMAL; /* * restore characters (blanks) deleted after cursor */ while (cc > 0) { save_col = curwin->w_cursor.col; #ifdef FEAT_MBYTE mb_replace_pop_ins(cc); #else ins_char(cc); #endif curwin->w_cursor.col = save_col; cc = replace_pop(); } /* restore the characters that NL replaced */ replace_pop_ins(); State = oldState; } } did_ai = FALSE; } else { /* * Delete character(s) before the cursor. */ #ifdef FEAT_RIGHTLEFT if (revins_on) /* put cursor on last inserted char */ dec_cursor(); #endif mincol = 0; /* keep indent */ if (mode == BACKSPACE_LINE && (curbuf->b_p_ai #ifdef FEAT_CINDENT || cindent_on() #endif ) #ifdef FEAT_RIGHTLEFT && !revins_on #endif ) { save_col = curwin->w_cursor.col; beginline(BL_WHITE); if (curwin->w_cursor.col < (colnr_T)temp) mincol = curwin->w_cursor.col; curwin->w_cursor.col = save_col; } /* * Handle deleting one 'shiftwidth' or 'softtabstop'. */ if ( mode == BACKSPACE_CHAR && ((p_sta && in_indent) || (curbuf->b_p_sts != 0 && curwin->w_cursor.col > 0 && (*(ml_get_cursor() - 1) == TAB || (*(ml_get_cursor() - 1) == ' ' && (!*inserted_space_p || arrow_used)))))) { int ts; colnr_T vcol; colnr_T want_vcol; colnr_T start_vcol; *inserted_space_p = FALSE; if (p_sta && in_indent) ts = curbuf->b_p_sw; else ts = curbuf->b_p_sts; /* Compute the virtual column where we want to be. Since * 'showbreak' may get in the way, need to get the last column of * the previous character. */ getvcol(curwin, &curwin->w_cursor, &vcol, NULL, NULL); start_vcol = vcol; dec_cursor(); getvcol(curwin, &curwin->w_cursor, NULL, NULL, &want_vcol); inc_cursor(); want_vcol = (want_vcol / ts) * ts; /* delete characters until we are at or before want_vcol */ while (vcol > want_vcol && (cc = *(ml_get_cursor() - 1), vim_iswhite(cc))) ins_bs_one(&vcol); /* insert extra spaces until we are at want_vcol */ while (vcol < want_vcol) { /* Remember the first char we inserted */ if (curwin->w_cursor.lnum == Insstart.lnum && curwin->w_cursor.col < Insstart.col) Insstart.col = curwin->w_cursor.col; #ifdef FEAT_VREPLACE if (State & VREPLACE_FLAG) ins_char(' '); else #endif { ins_str((char_u *)" "); if ((State & REPLACE_FLAG)) replace_push(NUL); } getvcol(curwin, &curwin->w_cursor, &vcol, NULL, NULL); } /* If we are now back where we started delete one character. Can * happen when using 'sts' and 'linebreak'. */ if (vcol >= start_vcol) ins_bs_one(&vcol); } /* * Delete upto starting point, start of line or previous word. */ else do { #ifdef FEAT_RIGHTLEFT if (!revins_on) /* put cursor on char to be deleted */ #endif dec_cursor(); /* start of word? */ if (mode == BACKSPACE_WORD && !vim_isspace(gchar_cursor())) { mode = BACKSPACE_WORD_NOT_SPACE; temp = vim_iswordc(gchar_cursor()); } /* end of word? */ else if (mode == BACKSPACE_WORD_NOT_SPACE && (vim_isspace(cc = gchar_cursor()) || vim_iswordc(cc) != temp)) { #ifdef FEAT_RIGHTLEFT if (!revins_on) #endif inc_cursor(); #ifdef FEAT_RIGHTLEFT else if (State & REPLACE_FLAG) dec_cursor(); #endif break; } if (State & REPLACE_FLAG) replace_do_bs(-1); else { #ifdef FEAT_MBYTE if (enc_utf8 && p_deco) (void)utfc_ptr2char(ml_get_cursor(), cpc); #endif (void)del_char(FALSE); #ifdef FEAT_MBYTE /* * If there are combining characters and 'delcombine' is set * move the cursor back. Don't back up before the base * character. */ if (enc_utf8 && p_deco && cpc[0] != NUL) inc_cursor(); #endif #ifdef FEAT_RIGHTLEFT if (revins_chars) { revins_chars--; revins_legal++; } if (revins_on && gchar_cursor() == NUL) break; #endif } /* Just a single backspace?: */ if (mode == BACKSPACE_CHAR) break; } while ( #ifdef FEAT_RIGHTLEFT revins_on || #endif (curwin->w_cursor.col > mincol && (curwin->w_cursor.lnum != Insstart.lnum || curwin->w_cursor.col != Insstart.col))); did_backspace = TRUE; } #ifdef FEAT_SMARTINDENT did_si = FALSE; can_si = FALSE; can_si_back = FALSE; #endif if (curwin->w_cursor.col <= 1) did_ai = FALSE; /* * It's a little strange to put backspaces into the redo * buffer, but it makes auto-indent a lot easier to deal * with. */ AppendCharToRedobuff(c); /* If deleted before the insertion point, adjust it */ if (curwin->w_cursor.lnum == Insstart.lnum && curwin->w_cursor.col < Insstart.col) Insstart.col = curwin->w_cursor.col; /* vi behaviour: the cursor moves backward but the character that * was there remains visible * Vim behaviour: the cursor moves backward and the character that * was there is erased from the screen. * We can emulate the vi behaviour by pretending there is a dollar * displayed even when there isn't. * --pkv Sun Jan 19 01:56:40 EST 2003 */ if (vim_strchr(p_cpo, CPO_BACKSPACE) != NULL && dollar_vcol == 0) dollar_vcol = curwin->w_virtcol; #ifdef FEAT_FOLDING /* When deleting a char the cursor line must never be in a closed fold. * E.g., when 'foldmethod' is indent and deleting the first non-white * char before a Tab. */ if (did_backspace) foldOpenCursor(); #endif return did_backspace; } #ifdef FEAT_MOUSE static void ins_mouse(c) int c; { pos_T tpos; win_T *old_curwin = curwin; # ifdef FEAT_GUI /* When GUI is active, also move/paste when 'mouse' is empty */ if (!gui.in_use) # endif if (!mouse_has(MOUSE_INSERT)) return; undisplay_dollar(); tpos = curwin->w_cursor; if (do_mouse(NULL, c, BACKWARD, 1L, 0)) { #ifdef FEAT_WINDOWS win_T *new_curwin = curwin; if (curwin != old_curwin && win_valid(old_curwin)) { /* Mouse took us to another window. We need to go back to the * previous one to stop insert there properly. */ curwin = old_curwin; curbuf = curwin->w_buffer; } #endif start_arrow(curwin == old_curwin ? &tpos : NULL); #ifdef FEAT_WINDOWS if (curwin != new_curwin && win_valid(new_curwin)) { curwin = new_curwin; curbuf = curwin->w_buffer; } #endif # ifdef FEAT_CINDENT can_cindent = TRUE; # endif } #ifdef FEAT_WINDOWS /* redraw status lines (in case another window became active) */ redraw_statuslines(); #endif } static void ins_mousescroll(up) int up; { pos_T tpos; # if defined(FEAT_WINDOWS) win_T *old_curwin = curwin; # endif # ifdef FEAT_INS_EXPAND int did_scroll = FALSE; # endif tpos = curwin->w_cursor; # if defined(FEAT_GUI) && defined(FEAT_WINDOWS) /* Currently the mouse coordinates are only known in the GUI. */ if (gui.in_use && mouse_row >= 0 && mouse_col >= 0) { int row, col; row = mouse_row; col = mouse_col; /* find the window at the pointer coordinates */ curwin = mouse_find_win(&row, &col); curbuf = curwin->w_buffer; } if (curwin == old_curwin) # endif undisplay_dollar(); # ifdef FEAT_INS_EXPAND /* Don't scroll the window in which completion is being done. */ if (!pum_visible() # if defined(FEAT_WINDOWS) || curwin != old_curwin # endif ) # endif { if (mod_mask & (MOD_MASK_SHIFT | MOD_MASK_CTRL)) scroll_redraw(up, (long)(curwin->w_botline - curwin->w_topline)); else scroll_redraw(up, 3L); # ifdef FEAT_INS_EXPAND did_scroll = TRUE; # endif } # if defined(FEAT_GUI) && defined(FEAT_WINDOWS) curwin->w_redr_status = TRUE; curwin = old_curwin; curbuf = curwin->w_buffer; # endif # ifdef FEAT_INS_EXPAND /* The popup menu may overlay the window, need to redraw it. * TODO: Would be more efficient to only redraw the windows that are * overlapped by the popup menu. */ if (pum_visible() && did_scroll) { redraw_all_later(NOT_VALID); ins_compl_show_pum(); } # endif if (!equalpos(curwin->w_cursor, tpos)) { start_arrow(&tpos); # ifdef FEAT_CINDENT can_cindent = TRUE; # endif } } #endif #if defined(FEAT_GUI_TABLINE) || defined(PROTO) static void ins_tabline(c) int c; { /* We will be leaving the current window, unless closing another tab. */ if (c != K_TABMENU || current_tabmenu != TABLINE_MENU_CLOSE || (current_tab != 0 && current_tab != tabpage_index(curtab))) { undisplay_dollar(); start_arrow(&curwin->w_cursor); # ifdef FEAT_CINDENT can_cindent = TRUE; # endif } if (c == K_TABLINE) goto_tabpage(current_tab); else { handle_tabmenu(); redraw_statuslines(); /* will redraw the tabline when needed */ } } #endif #if defined(FEAT_GUI) || defined(PROTO) void ins_scroll() { pos_T tpos; undisplay_dollar(); tpos = curwin->w_cursor; if (gui_do_scroll()) { start_arrow(&tpos); # ifdef FEAT_CINDENT can_cindent = TRUE; # endif } } void ins_horscroll() { pos_T tpos; undisplay_dollar(); tpos = curwin->w_cursor; if (gui_do_horiz_scroll()) { start_arrow(&tpos); # ifdef FEAT_CINDENT can_cindent = TRUE; # endif } } #endif static void ins_left() { pos_T tpos; #ifdef FEAT_FOLDING if ((fdo_flags & FDO_HOR) && KeyTyped) foldOpenCursor(); #endif undisplay_dollar(); tpos = curwin->w_cursor; if (oneleft() == OK) { #if defined(FEAT_XIM) && defined(FEAT_GUI_GTK) /* Only call start_arrow() when not busy with preediting, it will * break undo. K_LEFT is inserted in im_correct_cursor(). */ if (!im_is_preediting()) #endif start_arrow(&tpos); #ifdef FEAT_RIGHTLEFT /* If exit reversed string, position is fixed */ if (revins_scol != -1 && (int)curwin->w_cursor.col >= revins_scol) revins_legal++; revins_chars++; #endif } /* * if 'whichwrap' set for cursor in insert mode may go to * previous line */ else if (vim_strchr(p_ww, '[') != NULL && curwin->w_cursor.lnum > 1) { start_arrow(&tpos); --(curwin->w_cursor.lnum); coladvance((colnr_T)MAXCOL); curwin->w_set_curswant = TRUE; /* so we stay at the end */ } else vim_beep(); } static void ins_home(c) int c; { pos_T tpos; #ifdef FEAT_FOLDING if ((fdo_flags & FDO_HOR) && KeyTyped) foldOpenCursor(); #endif undisplay_dollar(); tpos = curwin->w_cursor; if (c == K_C_HOME) curwin->w_cursor.lnum = 1; curwin->w_cursor.col = 0; #ifdef FEAT_VIRTUALEDIT curwin->w_cursor.coladd = 0; #endif curwin->w_curswant = 0; start_arrow(&tpos); } static void ins_end(c) int c; { pos_T tpos; #ifdef FEAT_FOLDING if ((fdo_flags & FDO_HOR) && KeyTyped) foldOpenCursor(); #endif undisplay_dollar(); tpos = curwin->w_cursor; if (c == K_C_END) curwin->w_cursor.lnum = curbuf->b_ml.ml_line_count; coladvance((colnr_T)MAXCOL); curwin->w_curswant = MAXCOL; start_arrow(&tpos); } static void ins_s_left() { #ifdef FEAT_FOLDING if ((fdo_flags & FDO_HOR) && KeyTyped) foldOpenCursor(); #endif undisplay_dollar(); if (curwin->w_cursor.lnum > 1 || curwin->w_cursor.col > 0) { start_arrow(&curwin->w_cursor); (void)bck_word(1L, FALSE, FALSE); curwin->w_set_curswant = TRUE; } else vim_beep(); } static void ins_right() { #ifdef FEAT_FOLDING if ((fdo_flags & FDO_HOR) && KeyTyped) foldOpenCursor(); #endif undisplay_dollar(); if (gchar_cursor() != NUL #ifdef FEAT_VIRTUALEDIT || virtual_active() #endif ) { start_arrow(&curwin->w_cursor); curwin->w_set_curswant = TRUE; #ifdef FEAT_VIRTUALEDIT if (virtual_active()) oneright(); else #endif { #ifdef FEAT_MBYTE if (has_mbyte) curwin->w_cursor.col += (*mb_ptr2len)(ml_get_cursor()); else #endif ++curwin->w_cursor.col; } #ifdef FEAT_RIGHTLEFT revins_legal++; if (revins_chars) revins_chars--; #endif } /* if 'whichwrap' set for cursor in insert mode, may move the * cursor to the next line */ else if (vim_strchr(p_ww, ']') != NULL && curwin->w_cursor.lnum < curbuf->b_ml.ml_line_count) { start_arrow(&curwin->w_cursor); curwin->w_set_curswant = TRUE; ++curwin->w_cursor.lnum; curwin->w_cursor.col = 0; } else vim_beep(); } static void ins_s_right() { #ifdef FEAT_FOLDING if ((fdo_flags & FDO_HOR) && KeyTyped) foldOpenCursor(); #endif undisplay_dollar(); if (curwin->w_cursor.lnum < curbuf->b_ml.ml_line_count || gchar_cursor() != NUL) { start_arrow(&curwin->w_cursor); (void)fwd_word(1L, FALSE, 0); curwin->w_set_curswant = TRUE; } else vim_beep(); } static void ins_up(startcol) int startcol; /* when TRUE move to Insstart.col */ { pos_T tpos; linenr_T old_topline = curwin->w_topline; #ifdef FEAT_DIFF int old_topfill = curwin->w_topfill; #endif undisplay_dollar(); tpos = curwin->w_cursor; if (cursor_up(1L, TRUE) == OK) { if (startcol) coladvance(getvcol_nolist(&Insstart)); if (old_topline != curwin->w_topline #ifdef FEAT_DIFF || old_topfill != curwin->w_topfill #endif ) redraw_later(VALID); start_arrow(&tpos); #ifdef FEAT_CINDENT can_cindent = TRUE; #endif } else vim_beep(); } static void ins_pageup() { pos_T tpos; undisplay_dollar(); #ifdef FEAT_WINDOWS if (mod_mask & MOD_MASK_CTRL) { /* <C-PageUp>: tab page back */ if (first_tabpage->tp_next != NULL) { start_arrow(&curwin->w_cursor); goto_tabpage(-1); } return; } #endif tpos = curwin->w_cursor; if (onepage(BACKWARD, 1L) == OK) { start_arrow(&tpos); #ifdef FEAT_CINDENT can_cindent = TRUE; #endif } else vim_beep(); } static void ins_down(startcol) int startcol; /* when TRUE move to Insstart.col */ { pos_T tpos; linenr_T old_topline = curwin->w_topline; #ifdef FEAT_DIFF int old_topfill = curwin->w_topfill; #endif undisplay_dollar(); tpos = curwin->w_cursor; if (cursor_down(1L, TRUE) == OK) { if (startcol) coladvance(getvcol_nolist(&Insstart)); if (old_topline != curwin->w_topline #ifdef FEAT_DIFF || old_topfill != curwin->w_topfill #endif ) redraw_later(VALID); start_arrow(&tpos); #ifdef FEAT_CINDENT can_cindent = TRUE; #endif } else vim_beep(); } static void ins_pagedown() { pos_T tpos; undisplay_dollar(); #ifdef FEAT_WINDOWS if (mod_mask & MOD_MASK_CTRL) { /* <C-PageDown>: tab page forward */ if (first_tabpage->tp_next != NULL) { start_arrow(&curwin->w_cursor); goto_tabpage(0); } return; } #endif tpos = curwin->w_cursor; if (onepage(FORWARD, 1L) == OK) { start_arrow(&tpos); #ifdef FEAT_CINDENT can_cindent = TRUE; #endif } else vim_beep(); } #ifdef FEAT_DND static void ins_drop() { do_put('~', BACKWARD, 1L, PUT_CURSEND); } #endif /* * Handle TAB in Insert or Replace mode. * Return TRUE when the TAB needs to be inserted like a normal character. */ static int ins_tab() { int ind; int i; int temp; if (Insstart_blank_vcol == MAXCOL && curwin->w_cursor.lnum == Insstart.lnum) Insstart_blank_vcol = get_nolist_virtcol(); if (echeck_abbr(TAB + ABBR_OFF)) return FALSE; ind = inindent(0); #ifdef FEAT_CINDENT if (ind) can_cindent = FALSE; #endif /* * When nothing special, insert TAB like a normal character */ if (!curbuf->b_p_et && !(p_sta && ind && curbuf->b_p_ts != curbuf->b_p_sw) && curbuf->b_p_sts == 0) return TRUE; if (stop_arrow() == FAIL) return TRUE; did_ai = FALSE; #ifdef FEAT_SMARTINDENT did_si = FALSE; can_si = FALSE; can_si_back = FALSE; #endif AppendToRedobuff((char_u *)"\t"); if (p_sta && ind) /* insert tab in indent, use 'shiftwidth' */ temp = (int)curbuf->b_p_sw; else if (curbuf->b_p_sts > 0) /* use 'softtabstop' when set */ temp = (int)curbuf->b_p_sts; else /* otherwise use 'tabstop' */ temp = (int)curbuf->b_p_ts; temp -= get_nolist_virtcol() % temp; /* * Insert the first space with ins_char(). It will delete one char in * replace mode. Insert the rest with ins_str(); it will not delete any * chars. For VREPLACE mode, we use ins_char() for all characters. */ ins_char(' '); while (--temp > 0) { #ifdef FEAT_VREPLACE if (State & VREPLACE_FLAG) ins_char(' '); else #endif { ins_str((char_u *)" "); if (State & REPLACE_FLAG) /* no char replaced */ replace_push(NUL); } } /* * When 'expandtab' not set: Replace spaces by TABs where possible. */ if (!curbuf->b_p_et && (curbuf->b_p_sts || (p_sta && ind))) { char_u *ptr; #ifdef FEAT_VREPLACE char_u *saved_line = NULL; /* init for GCC */ pos_T pos; #endif pos_T fpos; pos_T *cursor; colnr_T want_vcol, vcol; int change_col = -1; int save_list = curwin->w_p_list; /* * Get the current line. For VREPLACE mode, don't make real changes * yet, just work on a copy of the line. */ #ifdef FEAT_VREPLACE if (State & VREPLACE_FLAG) { pos = curwin->w_cursor; cursor = &pos; saved_line = vim_strsave(ml_get_curline()); if (saved_line == NULL) return FALSE; ptr = saved_line + pos.col; } else #endif { ptr = ml_get_cursor(); cursor = &curwin->w_cursor; } /* When 'L' is not in 'cpoptions' a tab always takes up 'ts' spaces. */ if (vim_strchr(p_cpo, CPO_LISTWM) == NULL) curwin->w_p_list = FALSE; /* Find first white before the cursor */ fpos = curwin->w_cursor; while (fpos.col > 0 && vim_iswhite(ptr[-1])) { --fpos.col; --ptr; } /* In Replace mode, don't change characters before the insert point. */ if ((State & REPLACE_FLAG) && fpos.lnum == Insstart.lnum && fpos.col < Insstart.col) { ptr += Insstart.col - fpos.col; fpos.col = Insstart.col; } /* compute virtual column numbers of first white and cursor */ getvcol(curwin, &fpos, &vcol, NULL, NULL); getvcol(curwin, cursor, &want_vcol, NULL, NULL); /* Use as many TABs as possible. Beware of 'showbreak' and * 'linebreak' adding extra virtual columns. */ while (vim_iswhite(*ptr)) { i = lbr_chartabsize((char_u *)"\t", vcol); if (vcol + i > want_vcol) break; if (*ptr != TAB) { *ptr = TAB; if (change_col < 0) { change_col = fpos.col; /* Column of first change */ /* May have to adjust Insstart */ if (fpos.lnum == Insstart.lnum && fpos.col < Insstart.col) Insstart.col = fpos.col; } } ++fpos.col; ++ptr; vcol += i; } if (change_col >= 0) { int repl_off = 0; /* Skip over the spaces we need. */ while (vcol < want_vcol && *ptr == ' ') { vcol += lbr_chartabsize(ptr, vcol); ++ptr; ++repl_off; } if (vcol > want_vcol) { /* Must have a char with 'showbreak' just before it. */ --ptr; --repl_off; } fpos.col += repl_off; /* Delete following spaces. */ i = cursor->col - fpos.col; if (i > 0) { STRMOVE(ptr, ptr + i); /* correct replace stack. */ if ((State & REPLACE_FLAG) #ifdef FEAT_VREPLACE && !(State & VREPLACE_FLAG) #endif ) for (temp = i; --temp >= 0; ) replace_join(repl_off); } #ifdef FEAT_NETBEANS_INTG if (usingNetbeans) { netbeans_removed(curbuf, fpos.lnum, cursor->col, (long)(i + 1)); netbeans_inserted(curbuf, fpos.lnum, cursor->col, (char_u *)"\t", 1); } #endif cursor->col -= i; #ifdef FEAT_VREPLACE /* * In VREPLACE mode, we haven't changed anything yet. Do it now by * backspacing over the changed spacing and then inserting the new * spacing. */ if (State & VREPLACE_FLAG) { /* Backspace from real cursor to change_col */ backspace_until_column(change_col); /* Insert each char in saved_line from changed_col to * ptr-cursor */ ins_bytes_len(saved_line + change_col, cursor->col - change_col); } #endif } #ifdef FEAT_VREPLACE if (State & VREPLACE_FLAG) vim_free(saved_line); #endif curwin->w_p_list = save_list; } return FALSE; } /* * Handle CR or NL in insert mode. * Return TRUE when out of memory or can't undo. */ static int ins_eol(c) int c; { int i; if (echeck_abbr(c + ABBR_OFF)) return FALSE; if (stop_arrow() == FAIL) return TRUE; undisplay_dollar(); /* * Strange Vi behaviour: In Replace mode, typing a NL will not delete the * character under the cursor. Only push a NUL on the replace stack, * nothing to put back when the NL is deleted. */ if ((State & REPLACE_FLAG) #ifdef FEAT_VREPLACE && !(State & VREPLACE_FLAG) #endif ) replace_push(NUL); /* * In VREPLACE mode, a NL replaces the rest of the line, and starts * replacing the next line, so we push all of the characters left on the * line onto the replace stack. This is not done here though, it is done * in open_line(). */ #ifdef FEAT_VIRTUALEDIT /* Put cursor on NUL if on the last char and coladd is 1 (happens after * CTRL-O). */ if (virtual_active() && curwin->w_cursor.coladd > 0) coladvance(getviscol()); #endif #ifdef FEAT_RIGHTLEFT # ifdef FEAT_FKMAP if (p_altkeymap && p_fkmap) fkmap(NL); # endif /* NL in reverse insert will always start in the end of * current line. */ if (revins_on) curwin->w_cursor.col += (colnr_T)STRLEN(ml_get_cursor()); #endif AppendToRedobuff(NL_STR); i = open_line(FORWARD, #ifdef FEAT_COMMENTS has_format_option(FO_RET_COMS) ? OPENLINE_DO_COM : #endif 0, old_indent); old_indent = 0; #ifdef FEAT_CINDENT can_cindent = TRUE; #endif #ifdef FEAT_FOLDING /* When inserting a line the cursor line must never be in a closed fold. */ foldOpenCursor(); #endif return (!i); } #ifdef FEAT_DIGRAPHS /* * Handle digraph in insert mode. * Returns character still to be inserted, or NUL when nothing remaining to be * done. */ static int ins_digraph() { int c; int cc; pc_status = PC_STATUS_UNSET; if (redrawing() && !char_avail()) { /* may need to redraw when no more chars available now */ ins_redraw(FALSE); edit_putchar('?', TRUE); #ifdef FEAT_CMDL_INFO add_to_showcmd_c(Ctrl_K); #endif } #ifdef USE_ON_FLY_SCROLL dont_scroll = TRUE; /* disallow scrolling here */ #endif /* don't map the digraph chars. This also prevents the * mode message to be deleted when ESC is hit */ ++no_mapping; ++allow_keys; c = plain_vgetc(); --no_mapping; --allow_keys; if (IS_SPECIAL(c) || mod_mask) /* special key */ { #ifdef FEAT_CMDL_INFO clear_showcmd(); #endif insert_special(c, TRUE, FALSE); return NUL; } if (c != ESC) { if (redrawing() && !char_avail()) { /* may need to redraw when no more chars available now */ ins_redraw(FALSE); if (char2cells(c) == 1) { /* first remove the '?', otherwise it's restored when typing * an ESC next */ edit_unputchar(); ins_redraw(FALSE); edit_putchar(c, TRUE); } #ifdef FEAT_CMDL_INFO add_to_showcmd_c(c); #endif } ++no_mapping; ++allow_keys; cc = plain_vgetc(); --no_mapping; --allow_keys; if (cc != ESC) { AppendToRedobuff((char_u *)CTRL_V_STR); c = getdigraph(c, cc, TRUE); #ifdef FEAT_CMDL_INFO clear_showcmd(); #endif return c; } } edit_unputchar(); #ifdef FEAT_CMDL_INFO clear_showcmd(); #endif return NUL; } #endif /* * Handle CTRL-E and CTRL-Y in Insert mode: copy char from other line. * Returns the char to be inserted, or NUL if none found. */ static int ins_copychar(lnum) linenr_T lnum; { int c; int temp; char_u *ptr, *prev_ptr; if (lnum < 1 || lnum > curbuf->b_ml.ml_line_count) { vim_beep(); return NUL; } /* try to advance to the cursor column */ temp = 0; ptr = ml_get(lnum); prev_ptr = ptr; validate_virtcol(); while ((colnr_T)temp < curwin->w_virtcol && *ptr != NUL) { prev_ptr = ptr; temp += lbr_chartabsize_adv(&ptr, (colnr_T)temp); } if ((colnr_T)temp > curwin->w_virtcol) ptr = prev_ptr; #ifdef FEAT_MBYTE c = (*mb_ptr2char)(ptr); #else c = *ptr; #endif if (c == NUL) vim_beep(); return c; } /* * CTRL-Y or CTRL-E typed in Insert mode. */ static int ins_ctrl_ey(tc) int tc; { int c = tc; #ifdef FEAT_INS_EXPAND if (ctrl_x_mode == CTRL_X_SCROLL) { if (c == Ctrl_Y) scrolldown_clamp(); else scrollup_clamp(); redraw_later(VALID); } else #endif { c = ins_copychar(curwin->w_cursor.lnum + (c == Ctrl_Y ? -1 : 1)); if (c != NUL) { long tw_save; /* The character must be taken literally, insert like it * was typed after a CTRL-V, and pretend 'textwidth' * wasn't set. Digits, 'o' and 'x' are special after a * CTRL-V, don't use it for these. */ if (c < 256 && !isalnum(c)) AppendToRedobuff((char_u *)CTRL_V_STR); /* CTRL-V */ tw_save = curbuf->b_p_tw; curbuf->b_p_tw = -1; insert_special(c, TRUE, FALSE); curbuf->b_p_tw = tw_save; #ifdef FEAT_RIGHTLEFT revins_chars++; revins_legal++; #endif c = Ctrl_V; /* pretend CTRL-V is last character */ auto_format(FALSE, TRUE); } } return c; } #ifdef FEAT_SMARTINDENT /* * Try to do some very smart auto-indenting. * Used when inserting a "normal" character. */ static void ins_try_si(c) int c; { pos_T *pos, old_pos; char_u *ptr; int i; int temp; /* * do some very smart indenting when entering '{' or '}' */ if (((did_si || can_si_back) && c == '{') || (can_si && c == '}')) { /* * for '}' set indent equal to indent of line containing matching '{' */ if (c == '}' && (pos = findmatch(NULL, '{')) != NULL) { old_pos = curwin->w_cursor; /* * If the matching '{' has a ')' immediately before it (ignoring * white-space), then line up with the start of the line * containing the matching '(' if there is one. This handles the * case where an "if (..\n..) {" statement continues over multiple * lines -- webb */ ptr = ml_get(pos->lnum); i = pos->col; if (i > 0) /* skip blanks before '{' */ while (--i > 0 && vim_iswhite(ptr[i])) ; curwin->w_cursor.lnum = pos->lnum; curwin->w_cursor.col = i; if (ptr[i] == ')' && (pos = findmatch(NULL, '(')) != NULL) curwin->w_cursor = *pos; i = get_indent(); curwin->w_cursor = old_pos; #ifdef FEAT_VREPLACE if (State & VREPLACE_FLAG) change_indent(INDENT_SET, i, FALSE, NUL, TRUE); else #endif (void)set_indent(i, SIN_CHANGED); } else if (curwin->w_cursor.col > 0) { /* * when inserting '{' after "O" reduce indent, but not * more than indent of previous line */ temp = TRUE; if (c == '{' && can_si_back && curwin->w_cursor.lnum > 1) { old_pos = curwin->w_cursor; i = get_indent(); while (curwin->w_cursor.lnum > 1) { ptr = skipwhite(ml_get(--(curwin->w_cursor.lnum))); /* ignore empty lines and lines starting with '#'. */ if (*ptr != '#' && *ptr != NUL) break; } if (get_indent() >= i) temp = FALSE; curwin->w_cursor = old_pos; } if (temp) shift_line(TRUE, FALSE, 1, TRUE); } } /* * set indent of '#' always to 0 */ if (curwin->w_cursor.col > 0 && can_si && c == '#') { /* remember current indent for next line */ old_indent = get_indent(); (void)set_indent(0, SIN_CHANGED); } /* Adjust ai_col, the char at this position can be deleted. */ if (ai_col > curwin->w_cursor.col) ai_col = curwin->w_cursor.col; } #endif /* * Get the value that w_virtcol would have when 'list' is off. * Unless 'cpo' contains the 'L' flag. */ static colnr_T get_nolist_virtcol() { if (curwin->w_p_list && vim_strchr(p_cpo, CPO_LISTWM) == NULL) return getvcol_nolist(&curwin->w_cursor); validate_virtcol(); return curwin->w_virtcol; }