Mercurial > vim
view src/ex_getln.c @ 19694:196dcd448100
Added tag v8.2.0403 for changeset 9fbeb3bdf49e51b60c5eb575d4399ecbff0100b8
| author | Bram Moolenaar <Bram@vim.org> |
|---|---|
| date | Thu, 19 Mar 2020 12:45:05 +0100 |
| parents | d64f403289db |
| children | 8514e8b7e661 |
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/* vi:set ts=8 sts=4 sw=4 noet: * * 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. */ /* * ex_getln.c: Functions for entering and editing an Ex command line. */ #include "vim.h" #ifndef MAX # define MAX(x,y) ((x) > (y) ? (x) : (y)) #endif // The current cmdline_info. It is initialized in getcmdline() and after that // used by other functions. When invoking getcmdline() recursively it needs // to be saved with save_cmdline() and restored with restore_cmdline(). static cmdline_info_T ccline; #ifdef FEAT_EVAL static int new_cmdpos; // position set by set_cmdline_pos() #endif static int extra_char = NUL; // extra character to display when redrawing // the command line static int extra_char_shift; #ifdef FEAT_RIGHTLEFT static int cmd_hkmap = 0; // Hebrew mapping during command line #endif static char_u *getcmdline_int(int firstc, long count, int indent, int init_ccline); static int cmdline_charsize(int idx); static void set_cmdspos(void); static void set_cmdspos_cursor(void); static void correct_cmdspos(int idx, int cells); static void alloc_cmdbuff(int len); static void draw_cmdline(int start, int len); static void save_cmdline(cmdline_info_T *ccp); static void restore_cmdline(cmdline_info_T *ccp); static int cmdline_paste(int regname, int literally, int remcr); #ifdef FEAT_WILDMENU static void cmdline_del(int from); #endif static void redrawcmdprompt(void); static int ccheck_abbr(int); #ifdef FEAT_CMDWIN static int open_cmdwin(void); static int cedit_key INIT(= -1); // key value of 'cedit' option #endif static void trigger_cmd_autocmd(int typechar, int evt) { char_u typestr[2]; typestr[0] = typechar; typestr[1] = NUL; apply_autocmds(evt, typestr, typestr, FALSE, curbuf); } /* * Abandon the command line. */ static void abandon_cmdline(void) { VIM_CLEAR(ccline.cmdbuff); if (msg_scrolled == 0) compute_cmdrow(); msg(""); redraw_cmdline = TRUE; } #ifdef FEAT_SEARCH_EXTRA /* * Guess that the pattern matches everything. Only finds specific cases, such * as a trailing \|, which can happen while typing a pattern. */ static int empty_pattern(char_u *p) { size_t n = STRLEN(p); // remove trailing \v and the like while (n >= 2 && p[n - 2] == '\\' && vim_strchr((char_u *)"mMvVcCZ", p[n - 1]) != NULL) n -= 2; return n == 0 || (n >= 2 && p[n - 2] == '\\' && p[n - 1] == '|'); } // Struct to store the viewstate during 'incsearch' highlighting. typedef struct { colnr_T vs_curswant; colnr_T vs_leftcol; linenr_T vs_topline; # ifdef FEAT_DIFF int vs_topfill; # endif linenr_T vs_botline; linenr_T vs_empty_rows; } viewstate_T; static void save_viewstate(viewstate_T *vs) { vs->vs_curswant = curwin->w_curswant; vs->vs_leftcol = curwin->w_leftcol; vs->vs_topline = curwin->w_topline; # ifdef FEAT_DIFF vs->vs_topfill = curwin->w_topfill; # endif vs->vs_botline = curwin->w_botline; vs->vs_empty_rows = curwin->w_empty_rows; } static void restore_viewstate(viewstate_T *vs) { curwin->w_curswant = vs->vs_curswant; curwin->w_leftcol = vs->vs_leftcol; curwin->w_topline = vs->vs_topline; # ifdef FEAT_DIFF curwin->w_topfill = vs->vs_topfill; # endif curwin->w_botline = vs->vs_botline; curwin->w_empty_rows = vs->vs_empty_rows; } // Struct to store the state of 'incsearch' highlighting. typedef struct { pos_T search_start; // where 'incsearch' starts searching pos_T save_cursor; viewstate_T init_viewstate; viewstate_T old_viewstate; pos_T match_start; pos_T match_end; int did_incsearch; int incsearch_postponed; int magic_save; } incsearch_state_T; static void init_incsearch_state(incsearch_state_T *is_state) { is_state->match_start = curwin->w_cursor; is_state->did_incsearch = FALSE; is_state->incsearch_postponed = FALSE; is_state->magic_save = p_magic; CLEAR_POS(&is_state->match_end); is_state->save_cursor = curwin->w_cursor; // may be restored later is_state->search_start = curwin->w_cursor; save_viewstate(&is_state->init_viewstate); save_viewstate(&is_state->old_viewstate); } /* * First move cursor to end of match, then to the start. This * moves the whole match onto the screen when 'nowrap' is set. */ static void set_search_match(pos_T *t) { t->lnum += search_match_lines; t->col = search_match_endcol; if (t->lnum > curbuf->b_ml.ml_line_count) { t->lnum = curbuf->b_ml.ml_line_count; coladvance((colnr_T)MAXCOL); } } /* * Return TRUE when 'incsearch' highlighting is to be done. * Sets search_first_line and search_last_line to the address range. * May change the last search pattern. */ static int do_incsearch_highlighting(int firstc, int *search_delim, incsearch_state_T *is_state, int *skiplen, int *patlen) { char_u *cmd; cmdmod_T save_cmdmod = cmdmod; char_u *p; int delim_optional = FALSE; int delim; char_u *end; char *dummy; exarg_T ea; pos_T save_cursor; int use_last_pat; int retval = FALSE; *skiplen = 0; *patlen = ccline.cmdlen; if (!p_is || cmd_silent) return FALSE; // by default search all lines search_first_line = 0; search_last_line = MAXLNUM; if (firstc == '/' || firstc == '?') { *search_delim = firstc; return TRUE; } if (firstc != ':') return FALSE; ++emsg_off; vim_memset(&ea, 0, sizeof(ea)); ea.line1 = 1; ea.line2 = 1; ea.cmd = ccline.cmdbuff; ea.addr_type = ADDR_LINES; parse_command_modifiers(&ea, &dummy, TRUE); cmdmod = save_cmdmod; cmd = skip_range(ea.cmd, NULL); if (vim_strchr((char_u *)"sgvl", *cmd) == NULL) goto theend; // Skip over "substitute" to find the pattern separator. for (p = cmd; ASCII_ISALPHA(*p); ++p) ; if (*skipwhite(p) == NUL) goto theend; if (STRNCMP(cmd, "substitute", p - cmd) == 0 || STRNCMP(cmd, "smagic", p - cmd) == 0 || STRNCMP(cmd, "snomagic", MAX(p - cmd, 3)) == 0 || STRNCMP(cmd, "vglobal", p - cmd) == 0) { if (*cmd == 's' && cmd[1] == 'm') p_magic = TRUE; else if (*cmd == 's' && cmd[1] == 'n') p_magic = FALSE; } else if (STRNCMP(cmd, "sort", MAX(p - cmd, 3)) == 0) { // skip over flags while (ASCII_ISALPHA(*(p = skipwhite(p)))) ++p; if (*p == NUL) goto theend; } else if (STRNCMP(cmd, "vimgrep", MAX(p - cmd, 3)) == 0 || STRNCMP(cmd, "vimgrepadd", MAX(p - cmd, 8)) == 0 || STRNCMP(cmd, "lvimgrep", MAX(p - cmd, 2)) == 0 || STRNCMP(cmd, "lvimgrepadd", MAX(p - cmd, 9)) == 0 || STRNCMP(cmd, "global", p - cmd) == 0) { // skip over "!" if (*p == '!') { p++; if (*skipwhite(p) == NUL) goto theend; } if (*cmd != 'g') delim_optional = TRUE; } else goto theend; p = skipwhite(p); delim = (delim_optional && vim_isIDc(*p)) ? ' ' : *p++; *search_delim = delim; end = skip_regexp(p, delim, p_magic, NULL); use_last_pat = end == p && *end == delim; if (end == p && !use_last_pat) goto theend; // Don't do 'hlsearch' highlighting if the pattern matches everything. if (!use_last_pat) { char c = *end; int empty; *end = NUL; empty = empty_pattern(p); *end = c; if (empty) goto theend; } // found a non-empty pattern or // *skiplen = (int)(p - ccline.cmdbuff); *patlen = (int)(end - p); // parse the address range save_cursor = curwin->w_cursor; curwin->w_cursor = is_state->search_start; parse_cmd_address(&ea, &dummy, TRUE); if (ea.addr_count > 0) { // Allow for reverse match. if (ea.line2 < ea.line1) { search_first_line = ea.line2; search_last_line = ea.line1; } else { search_first_line = ea.line1; search_last_line = ea.line2; } } else if (cmd[0] == 's' && cmd[1] != 'o') { // :s defaults to the current line search_first_line = curwin->w_cursor.lnum; search_last_line = curwin->w_cursor.lnum; } curwin->w_cursor = save_cursor; retval = TRUE; theend: --emsg_off; return retval; } static void finish_incsearch_highlighting( int gotesc, incsearch_state_T *is_state, int call_update_screen) { if (is_state->did_incsearch) { is_state->did_incsearch = FALSE; if (gotesc) curwin->w_cursor = is_state->save_cursor; else { if (!EQUAL_POS(is_state->save_cursor, is_state->search_start)) { // put the '" mark at the original position curwin->w_cursor = is_state->save_cursor; setpcmark(); } curwin->w_cursor = is_state->search_start; } restore_viewstate(&is_state->old_viewstate); highlight_match = FALSE; // by default search all lines search_first_line = 0; search_last_line = MAXLNUM; p_magic = is_state->magic_save; validate_cursor(); // needed for TAB redraw_all_later(SOME_VALID); if (call_update_screen) update_screen(SOME_VALID); } } /* * Do 'incsearch' highlighting if desired. */ static void may_do_incsearch_highlighting( int firstc, long count, incsearch_state_T *is_state) { int skiplen, patlen; int found; // do_search() result pos_T end_pos; #ifdef FEAT_RELTIME proftime_T tm; searchit_arg_T sia; #endif int next_char; int use_last_pat; int did_do_incsearch = is_state->did_incsearch; int search_delim; // Parsing range may already set the last search pattern. // NOTE: must call restore_last_search_pattern() before returning! save_last_search_pattern(); if (!do_incsearch_highlighting(firstc, &search_delim, is_state, &skiplen, &patlen)) { restore_last_search_pattern(); finish_incsearch_highlighting(FALSE, is_state, TRUE); if (did_do_incsearch && vpeekc() == NUL) // may have skipped a redraw, do it now redrawcmd(); return; } // If there is a character waiting, search and redraw later. if (char_avail()) { restore_last_search_pattern(); is_state->incsearch_postponed = TRUE; return; } is_state->incsearch_postponed = FALSE; if (search_first_line == 0) // start at the original cursor position curwin->w_cursor = is_state->search_start; else if (search_first_line > curbuf->b_ml.ml_line_count) { // start after the last line curwin->w_cursor.lnum = curbuf->b_ml.ml_line_count; curwin->w_cursor.col = MAXCOL; } else { // start at the first line in the range curwin->w_cursor.lnum = search_first_line; curwin->w_cursor.col = 0; } // Use the previous pattern for ":s//". next_char = ccline.cmdbuff[skiplen + patlen]; use_last_pat = patlen == 0 && skiplen > 0 && ccline.cmdbuff[skiplen - 1] == next_char; // If there is no pattern, don't do anything. if (patlen == 0 && !use_last_pat) { found = 0; set_no_hlsearch(TRUE); // turn off previous highlight redraw_all_later(SOME_VALID); } else { int search_flags = SEARCH_OPT + SEARCH_NOOF + SEARCH_PEEK; cursor_off(); // so the user knows we're busy out_flush(); ++emsg_off; // so it doesn't beep if bad expr #ifdef FEAT_RELTIME // Set the time limit to half a second. profile_setlimit(500L, &tm); #endif if (!p_hls) search_flags += SEARCH_KEEP; if (search_first_line != 0) search_flags += SEARCH_START; ccline.cmdbuff[skiplen + patlen] = NUL; #ifdef FEAT_RELTIME vim_memset(&sia, 0, sizeof(sia)); sia.sa_tm = &tm; #endif found = do_search(NULL, firstc == ':' ? '/' : firstc, search_delim, ccline.cmdbuff + skiplen, count, search_flags, #ifdef FEAT_RELTIME &sia #else NULL #endif ); ccline.cmdbuff[skiplen + patlen] = next_char; --emsg_off; if (curwin->w_cursor.lnum < search_first_line || curwin->w_cursor.lnum > search_last_line) { // match outside of address range found = 0; curwin->w_cursor = is_state->search_start; } // if interrupted while searching, behave like it failed if (got_int) { (void)vpeekc(); // remove <C-C> from input stream got_int = FALSE; // don't abandon the command line found = 0; } else if (char_avail()) // cancelled searching because a char was typed is_state->incsearch_postponed = TRUE; } if (found != 0) highlight_match = TRUE; // highlight position else highlight_match = FALSE; // remove highlight // First restore the old curwin values, so the screen is positioned in the // same way as the actual search command. restore_viewstate(&is_state->old_viewstate); changed_cline_bef_curs(); update_topline(); if (found != 0) { pos_T save_pos = curwin->w_cursor; is_state->match_start = curwin->w_cursor; set_search_match(&curwin->w_cursor); validate_cursor(); end_pos = curwin->w_cursor; is_state->match_end = end_pos; curwin->w_cursor = save_pos; } else end_pos = curwin->w_cursor; // shutup gcc 4 // Disable 'hlsearch' highlighting if the pattern matches everything. // Avoids a flash when typing "foo\|". if (!use_last_pat) { next_char = ccline.cmdbuff[skiplen + patlen]; ccline.cmdbuff[skiplen + patlen] = NUL; if (empty_pattern(ccline.cmdbuff) && !no_hlsearch) { redraw_all_later(SOME_VALID); set_no_hlsearch(TRUE); } ccline.cmdbuff[skiplen + patlen] = next_char; } validate_cursor(); // May redraw the status line to show the cursor position. if (p_ru && curwin->w_status_height > 0) curwin->w_redr_status = TRUE; update_screen(SOME_VALID); highlight_match = FALSE; restore_last_search_pattern(); // Leave it at the end to make CTRL-R CTRL-W work. But not when beyond the // end of the pattern, e.g. for ":s/pat/". if (ccline.cmdbuff[skiplen + patlen] != NUL) curwin->w_cursor = is_state->search_start; else if (found != 0) curwin->w_cursor = end_pos; msg_starthere(); redrawcmdline(); is_state->did_incsearch = TRUE; } /* * May adjust 'incsearch' highlighting for typing CTRL-G and CTRL-T, go to next * or previous match. * Returns FAIL when jumping to cmdline_not_changed; */ static int may_adjust_incsearch_highlighting( int firstc, long count, incsearch_state_T *is_state, int c) { int skiplen, patlen; pos_T t; char_u *pat; int search_flags = SEARCH_NOOF; int i; int save; int search_delim; // Parsing range may already set the last search pattern. // NOTE: must call restore_last_search_pattern() before returning! save_last_search_pattern(); if (!do_incsearch_highlighting(firstc, &search_delim, is_state, &skiplen, &patlen)) { restore_last_search_pattern(); return OK; } if (patlen == 0 && ccline.cmdbuff[skiplen] == NUL) { restore_last_search_pattern(); return FAIL; } if (search_delim == ccline.cmdbuff[skiplen]) { pat = last_search_pattern(); skiplen = 0; patlen = (int)STRLEN(pat); } else pat = ccline.cmdbuff + skiplen; cursor_off(); out_flush(); if (c == Ctrl_G) { t = is_state->match_end; if (LT_POS(is_state->match_start, is_state->match_end)) // Start searching at the end of the match not at the beginning of // the next column. (void)decl(&t); search_flags += SEARCH_COL; } else t = is_state->match_start; if (!p_hls) search_flags += SEARCH_KEEP; ++emsg_off; save = pat[patlen]; pat[patlen] = NUL; i = searchit(curwin, curbuf, &t, NULL, c == Ctrl_G ? FORWARD : BACKWARD, pat, count, search_flags, RE_SEARCH, NULL); --emsg_off; pat[patlen] = save; if (i) { is_state->search_start = is_state->match_start; is_state->match_end = t; is_state->match_start = t; if (c == Ctrl_T && firstc != '?') { // Move just before the current match, so that when nv_search // finishes the cursor will be put back on the match. is_state->search_start = t; (void)decl(&is_state->search_start); } else if (c == Ctrl_G && firstc == '?') { // Move just after the current match, so that when nv_search // finishes the cursor will be put back on the match. is_state->search_start = t; (void)incl(&is_state->search_start); } if (LT_POS(t, is_state->search_start) && c == Ctrl_G) { // wrap around is_state->search_start = t; if (firstc == '?') (void)incl(&is_state->search_start); else (void)decl(&is_state->search_start); } set_search_match(&is_state->match_end); curwin->w_cursor = is_state->match_start; changed_cline_bef_curs(); update_topline(); validate_cursor(); highlight_match = TRUE; save_viewstate(&is_state->old_viewstate); update_screen(NOT_VALID); highlight_match = FALSE; redrawcmdline(); curwin->w_cursor = is_state->match_end; } else vim_beep(BO_ERROR); restore_last_search_pattern(); return FAIL; } /* * When CTRL-L typed: add character from the match to the pattern. * May set "*c" to the added character. * Return OK when jumping to cmdline_not_changed. */ static int may_add_char_to_search(int firstc, int *c, incsearch_state_T *is_state) { int skiplen, patlen, search_delim; // Parsing range may already set the last search pattern. // NOTE: must call restore_last_search_pattern() before returning! save_last_search_pattern(); if (!do_incsearch_highlighting(firstc, &search_delim, is_state, &skiplen, &patlen)) { restore_last_search_pattern(); return FAIL; } restore_last_search_pattern(); // Add a character from under the cursor for 'incsearch'. if (is_state->did_incsearch) { curwin->w_cursor = is_state->match_end; *c = gchar_cursor(); if (*c != NUL) { // If 'ignorecase' and 'smartcase' are set and the // command line has no uppercase characters, convert // the character to lowercase. if (p_ic && p_scs && !pat_has_uppercase(ccline.cmdbuff + skiplen)) *c = MB_TOLOWER(*c); if (*c == search_delim || vim_strchr((char_u *)( p_magic ? "\\~^$.*[" : "\\^$"), *c) != NULL) { // put a backslash before special characters stuffcharReadbuff(*c); *c = '\\'; } // add any composing characters if (mb_char2len(*c) != mb_ptr2len(ml_get_cursor())) { int save_c = *c; while (mb_char2len(*c) != mb_ptr2len(ml_get_cursor())) { curwin->w_cursor.col += mb_char2len(*c); *c = gchar_cursor(); stuffcharReadbuff(*c); } *c = save_c; } return FAIL; } } return OK; } #endif #ifdef FEAT_ARABIC /* * Return TRUE if the command line has an Arabic character at or after "start" * for "len" bytes. */ static int cmdline_has_arabic(int start, int len) { int j; int mb_l; int u8c; char_u *p; int u8cc[MAX_MCO]; if (!enc_utf8) return FALSE; for (j = start; j < start + len; j += mb_l) { p = ccline.cmdbuff + j; u8c = utfc_ptr2char_len(p, u8cc, start + len - j); mb_l = utfc_ptr2len_len(p, start + len - j); if (ARABIC_CHAR(u8c)) return TRUE; } return FALSE; } #endif void cmdline_init(void) { vim_memset(&ccline, 0, sizeof(cmdline_info_T)); } /* * getcmdline() - accept a command line starting with firstc. * * firstc == ':' get ":" command line. * firstc == '/' or '?' get search pattern * firstc == '=' get expression * firstc == '@' get text for input() function * firstc == '>' get text for debug mode * firstc == NUL get text for :insert command * firstc == -1 like NUL, and break on CTRL-C * * The line is collected in ccline.cmdbuff, which is reallocated to fit the * command line. * * Careful: getcmdline() can be called recursively! * * Return pointer to allocated string if there is a commandline, NULL * otherwise. */ char_u * getcmdline( int firstc, long count, // only used for incremental search int indent, // indent for inside conditionals int do_concat UNUSED) { return getcmdline_int(firstc, count, indent, TRUE); } static char_u * getcmdline_int( int firstc, long count UNUSED, // only used for incremental search int indent, // indent for inside conditionals int init_ccline) // clear ccline first { int c; int i; int j; int gotesc = FALSE; // TRUE when <ESC> just typed int do_abbr; // when TRUE check for abbr. char_u *lookfor = NULL; // string to match int hiscnt; // current history line in use int histype; // history type to be used #ifdef FEAT_SEARCH_EXTRA incsearch_state_T is_state; #endif int did_wild_list = FALSE; // did wild_list() recently int wim_index = 0; // index in wim_flags[] int res; int save_msg_scroll = msg_scroll; int save_State = State; // remember State when called int some_key_typed = FALSE; // one of the keys was typed // mouse drag and release events are ignored, unless they are // preceded with a mouse down event int ignore_drag_release = TRUE; #ifdef FEAT_EVAL int break_ctrl_c = FALSE; #endif expand_T xpc; long *b_im_ptr = NULL; cmdline_info_T save_ccline; int did_save_ccline = FALSE; int cmdline_type; if (ccline.cmdbuff != NULL) { // Being called recursively. Since ccline is global, we need to save // the current buffer and restore it when returning. save_cmdline(&save_ccline); did_save_ccline = TRUE; } if (init_ccline) vim_memset(&ccline, 0, sizeof(cmdline_info_T)); #ifdef FEAT_EVAL if (firstc == -1) { firstc = NUL; break_ctrl_c = TRUE; } #endif #ifdef FEAT_RIGHTLEFT // start without Hebrew mapping for a command line if (firstc == ':' || firstc == '=' || firstc == '>') cmd_hkmap = 0; #endif ccline.overstrike = FALSE; // always start in insert mode #ifdef FEAT_SEARCH_EXTRA init_incsearch_state(&is_state); #endif /* * set some variables for redrawcmd() */ ccline.cmdfirstc = (firstc == '@' ? 0 : firstc); ccline.cmdindent = (firstc > 0 ? indent : 0); // alloc initial ccline.cmdbuff alloc_cmdbuff(exmode_active ? 250 : indent + 1); if (ccline.cmdbuff == NULL) goto theend; // out of memory ccline.cmdlen = ccline.cmdpos = 0; ccline.cmdbuff[0] = NUL; sb_text_start_cmdline(); // autoindent for :insert and :append if (firstc <= 0) { vim_memset(ccline.cmdbuff, ' ', indent); ccline.cmdbuff[indent] = NUL; ccline.cmdpos = indent; ccline.cmdspos = indent; ccline.cmdlen = indent; } ExpandInit(&xpc); ccline.xpc = &xpc; #ifdef FEAT_RIGHTLEFT if (curwin->w_p_rl && *curwin->w_p_rlc == 's' && (firstc == '/' || firstc == '?')) cmdmsg_rl = TRUE; else cmdmsg_rl = FALSE; #endif redir_off = TRUE; // don't redirect the typed command if (!cmd_silent) { i = msg_scrolled; msg_scrolled = 0; // avoid wait_return message gotocmdline(TRUE); msg_scrolled += i; redrawcmdprompt(); // draw prompt or indent set_cmdspos(); } xpc.xp_context = EXPAND_NOTHING; xpc.xp_backslash = XP_BS_NONE; #ifndef BACKSLASH_IN_FILENAME xpc.xp_shell = FALSE; #endif #if defined(FEAT_EVAL) if (ccline.input_fn) { xpc.xp_context = ccline.xp_context; xpc.xp_pattern = ccline.cmdbuff; xpc.xp_arg = ccline.xp_arg; } #endif /* * Avoid scrolling when called by a recursive do_cmdline(), e.g. when * doing ":@0" when register 0 doesn't contain a CR. */ msg_scroll = FALSE; State = CMDLINE; if (firstc == '/' || firstc == '?' || firstc == '@') { // Use ":lmap" mappings for search pattern and input(). if (curbuf->b_p_imsearch == B_IMODE_USE_INSERT) b_im_ptr = &curbuf->b_p_iminsert; else b_im_ptr = &curbuf->b_p_imsearch; if (*b_im_ptr == B_IMODE_LMAP) State |= LANGMAP; #ifdef HAVE_INPUT_METHOD im_set_active(*b_im_ptr == B_IMODE_IM); #endif } #ifdef HAVE_INPUT_METHOD else if (p_imcmdline) im_set_active(TRUE); #endif setmouse(); #ifdef CURSOR_SHAPE ui_cursor_shape(); // may show different cursor shape #endif // When inside an autocommand for writing "exiting" may be set and // terminal mode set to cooked. Need to set raw mode here then. settmode(TMODE_RAW); // Trigger CmdlineEnter autocommands. cmdline_type = firstc == NUL ? '-' : firstc; trigger_cmd_autocmd(cmdline_type, EVENT_CMDLINEENTER); init_history(); hiscnt = get_hislen(); // set hiscnt to impossible history value histype = hist_char2type(firstc); #ifdef FEAT_DIGRAPHS do_digraph(-1); // init digraph typeahead #endif // If something above caused an error, reset the flags, we do want to type // and execute commands. Display may be messed up a bit. if (did_emsg) redrawcmd(); did_emsg = FALSE; got_int = FALSE; /* * Collect the command string, handling editing keys. */ for (;;) { redir_off = TRUE; // Don't redirect the typed command. // Repeated, because a ":redir" inside // completion may switch it on. #ifdef USE_ON_FLY_SCROLL dont_scroll = FALSE; // allow scrolling here #endif quit_more = FALSE; // reset after CTRL-D which had a more-prompt did_emsg = FALSE; // There can't really be a reason why an error // that occurs while typing a command should // cause the command not to be executed. // Trigger SafeState if nothing is pending. may_trigger_safestate(xpc.xp_numfiles <= 0); cursorcmd(); // set the cursor on the right spot // Get a character. Ignore K_IGNORE and K_NOP, they should not do // anything, such as stop completion. do c = safe_vgetc(); while (c == K_IGNORE || c == K_NOP); if (KeyTyped) { some_key_typed = TRUE; #ifdef FEAT_RIGHTLEFT if (cmd_hkmap) c = hkmap(c); if (cmdmsg_rl && !KeyStuffed) { // Invert horizontal movements and operations. Only when // typed by the user directly, not when the result of a // mapping. switch (c) { 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; 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; } } #endif } /* * Ignore got_int when CTRL-C was typed here. * Don't ignore it in :global, we really need to break then, e.g., for * ":g/pat/normal /pat" (without the <CR>). * Don't ignore it for the input() function. */ if ((c == Ctrl_C #ifdef UNIX || c == intr_char #endif ) #if defined(FEAT_EVAL) || defined(FEAT_CRYPT) && firstc != '@' #endif #ifdef FEAT_EVAL && !break_ctrl_c #endif && !global_busy) got_int = FALSE; // free old command line when finished moving around in the history // list if (lookfor != NULL && c != K_S_DOWN && c != K_S_UP && c != K_DOWN && c != K_UP && c != K_PAGEDOWN && c != K_PAGEUP && c != K_KPAGEDOWN && c != K_KPAGEUP && c != K_LEFT && c != K_RIGHT && (xpc.xp_numfiles > 0 || (c != Ctrl_P && c != Ctrl_N))) VIM_CLEAR(lookfor); /* * When there are matching completions to select <S-Tab> works like * CTRL-P (unless 'wc' is <S-Tab>). */ if (c != p_wc && c == K_S_TAB && xpc.xp_numfiles > 0) c = Ctrl_P; #ifdef FEAT_WILDMENU // Special translations for 'wildmenu' if (did_wild_list && p_wmnu) { if (c == K_LEFT) c = Ctrl_P; else if (c == K_RIGHT) c = Ctrl_N; } // Hitting CR after "emenu Name.": complete submenu if (xpc.xp_context == EXPAND_MENUNAMES && p_wmnu && ccline.cmdpos > 1 && ccline.cmdbuff[ccline.cmdpos - 1] == '.' && ccline.cmdbuff[ccline.cmdpos - 2] != '\\' && (c == '\n' || c == '\r' || c == K_KENTER)) c = K_DOWN; #endif // free expanded names when finished walking through matches if (xpc.xp_numfiles != -1 && !(c == p_wc && KeyTyped) && c != p_wcm && c != Ctrl_N && c != Ctrl_P && c != Ctrl_A && c != Ctrl_L) { (void)ExpandOne(&xpc, NULL, NULL, 0, WILD_FREE); did_wild_list = FALSE; #ifdef FEAT_WILDMENU if (!p_wmnu || (c != K_UP && c != K_DOWN)) #endif xpc.xp_context = EXPAND_NOTHING; wim_index = 0; #ifdef FEAT_WILDMENU if (p_wmnu && wild_menu_showing != 0) { int skt = KeyTyped; int old_RedrawingDisabled = RedrawingDisabled; if (ccline.input_fn) RedrawingDisabled = 0; if (wild_menu_showing == WM_SCROLLED) { // Entered command line, move it up cmdline_row--; redrawcmd(); } else if (save_p_ls != -1) { // restore 'laststatus' and 'winminheight' p_ls = save_p_ls; p_wmh = save_p_wmh; last_status(FALSE); update_screen(VALID); // redraw the screen NOW redrawcmd(); save_p_ls = -1; } else { win_redraw_last_status(topframe); redraw_statuslines(); } KeyTyped = skt; wild_menu_showing = 0; if (ccline.input_fn) RedrawingDisabled = old_RedrawingDisabled; } #endif } #ifdef FEAT_WILDMENU // Special translations for 'wildmenu' if (xpc.xp_context == EXPAND_MENUNAMES && p_wmnu) { // Hitting <Down> after "emenu Name.": complete submenu if (c == K_DOWN && ccline.cmdpos > 0 && ccline.cmdbuff[ccline.cmdpos - 1] == '.') c = p_wc; else if (c == K_UP) { // Hitting <Up>: Remove one submenu name in front of the // cursor int found = FALSE; j = (int)(xpc.xp_pattern - ccline.cmdbuff); i = 0; while (--j > 0) { // check for start of menu name if (ccline.cmdbuff[j] == ' ' && ccline.cmdbuff[j - 1] != '\\') { i = j + 1; break; } // check for start of submenu name if (ccline.cmdbuff[j] == '.' && ccline.cmdbuff[j - 1] != '\\') { if (found) { i = j + 1; break; } else found = TRUE; } } if (i > 0) cmdline_del(i); c = p_wc; xpc.xp_context = EXPAND_NOTHING; } } if ((xpc.xp_context == EXPAND_FILES || xpc.xp_context == EXPAND_DIRECTORIES || xpc.xp_context == EXPAND_SHELLCMD) && p_wmnu) { char_u upseg[5]; upseg[0] = PATHSEP; upseg[1] = '.'; upseg[2] = '.'; upseg[3] = PATHSEP; upseg[4] = NUL; if (c == K_DOWN && ccline.cmdpos > 0 && ccline.cmdbuff[ccline.cmdpos - 1] == PATHSEP && (ccline.cmdpos < 3 || ccline.cmdbuff[ccline.cmdpos - 2] != '.' || ccline.cmdbuff[ccline.cmdpos - 3] != '.')) { // go down a directory c = p_wc; } else if (STRNCMP(xpc.xp_pattern, upseg + 1, 3) == 0 && c == K_DOWN) { // If in a direct ancestor, strip off one ../ to go down int found = FALSE; j = ccline.cmdpos; i = (int)(xpc.xp_pattern - ccline.cmdbuff); while (--j > i) { if (has_mbyte) j -= (*mb_head_off)(ccline.cmdbuff, ccline.cmdbuff + j); if (vim_ispathsep(ccline.cmdbuff[j])) { found = TRUE; break; } } if (found && ccline.cmdbuff[j - 1] == '.' && ccline.cmdbuff[j - 2] == '.' && (vim_ispathsep(ccline.cmdbuff[j - 3]) || j == i + 2)) { cmdline_del(j - 2); c = p_wc; } } else if (c == K_UP) { // go up a directory int found = FALSE; j = ccline.cmdpos - 1; i = (int)(xpc.xp_pattern - ccline.cmdbuff); while (--j > i) { if (has_mbyte) j -= (*mb_head_off)(ccline.cmdbuff, ccline.cmdbuff + j); if (vim_ispathsep(ccline.cmdbuff[j]) #ifdef BACKSLASH_IN_FILENAME && vim_strchr((char_u *)" *?[{`$%#", ccline.cmdbuff[j + 1]) == NULL #endif ) { if (found) { i = j + 1; break; } else found = TRUE; } } if (!found) j = i; else if (STRNCMP(ccline.cmdbuff + j, upseg, 4) == 0) j += 4; else if (STRNCMP(ccline.cmdbuff + j, upseg + 1, 3) == 0 && j == i) j += 3; else j = 0; if (j > 0) { // TODO this is only for DOS/UNIX systems - need to put in // machine-specific stuff here and in upseg init cmdline_del(j); put_on_cmdline(upseg + 1, 3, FALSE); } else if (ccline.cmdpos > i) cmdline_del(i); // Now complete in the new directory. Set KeyTyped in case the // Up key came from a mapping. c = p_wc; KeyTyped = TRUE; } } #endif // FEAT_WILDMENU // CTRL-\ CTRL-N goes to Normal mode, CTRL-\ CTRL-G goes to Insert // mode when 'insertmode' is set, CTRL-\ e prompts for an expression. if (c == Ctrl_BSL) { ++no_mapping; ++allow_keys; c = plain_vgetc(); --no_mapping; --allow_keys; // CTRL-\ e doesn't work when obtaining an expression, unless it // is in a mapping. if (c != Ctrl_N && c != Ctrl_G && (c != 'e' || (ccline.cmdfirstc == '=' && KeyTyped) #ifdef FEAT_EVAL || cmdline_star > 0 #endif )) { vungetc(c); c = Ctrl_BSL; } #ifdef FEAT_EVAL else if (c == 'e') { char_u *p = NULL; int len; /* * Replace the command line with the result of an expression. * Need to save and restore the current command line, to be * able to enter a new one... */ if (ccline.cmdpos == ccline.cmdlen) new_cmdpos = 99999; // keep it at the end else new_cmdpos = ccline.cmdpos; c = get_expr_register(); if (c == '=') { // Need to save and restore ccline. And set "textlock" // to avoid nasty things like going to another buffer when // evaluating an expression. ++textlock; p = get_expr_line(); --textlock; if (p != NULL) { len = (int)STRLEN(p); if (realloc_cmdbuff(len + 1) == OK) { ccline.cmdlen = len; STRCPY(ccline.cmdbuff, p); vim_free(p); // Restore the cursor or use the position set with // set_cmdline_pos(). if (new_cmdpos > ccline.cmdlen) ccline.cmdpos = ccline.cmdlen; else ccline.cmdpos = new_cmdpos; KeyTyped = FALSE; // Don't do p_wc completion. redrawcmd(); goto cmdline_changed; } vim_free(p); } } beep_flush(); got_int = FALSE; // don't abandon the command line did_emsg = FALSE; emsg_on_display = FALSE; redrawcmd(); goto cmdline_not_changed; } #endif else { if (c == Ctrl_G && p_im && restart_edit == 0) restart_edit = 'a'; gotesc = TRUE; // will free ccline.cmdbuff after putting it // in history goto returncmd; // back to Normal mode } } #ifdef FEAT_CMDWIN if (c == cedit_key || c == K_CMDWIN) { // TODO: why is ex_normal_busy checked here? if ((c == K_CMDWIN || ex_normal_busy == 0) && got_int == FALSE) { /* * Open a window to edit the command line (and history). */ c = open_cmdwin(); some_key_typed = TRUE; } } # ifdef FEAT_DIGRAPHS else # endif #endif #ifdef FEAT_DIGRAPHS c = do_digraph(c); #endif if (c == '\n' || c == '\r' || c == K_KENTER || (c == ESC && (!KeyTyped || vim_strchr(p_cpo, CPO_ESC) != NULL))) { // In Ex mode a backslash escapes a newline. if (exmode_active && c != ESC && ccline.cmdpos == ccline.cmdlen && ccline.cmdpos > 0 && ccline.cmdbuff[ccline.cmdpos - 1] == '\\') { if (c == K_KENTER) c = '\n'; } else { gotesc = FALSE; // Might have typed ESC previously, don't // truncate the cmdline now. if (ccheck_abbr(c + ABBR_OFF)) goto cmdline_changed; if (!cmd_silent) { windgoto(msg_row, 0); out_flush(); } break; } } /* * Completion for 'wildchar' or 'wildcharm' key. * - hitting <ESC> twice means: abandon command line. * - wildcard expansion is only done when the 'wildchar' key is really * typed, not when it comes from a macro */ if ((c == p_wc && !gotesc && KeyTyped) || c == p_wcm) { int options = WILD_NO_BEEP; if (wim_flags[wim_index] & WIM_BUFLASTUSED) options |= WILD_BUFLASTUSED; if (xpc.xp_numfiles > 0) // typed p_wc at least twice { // if 'wildmode' contains "list" may still need to list if (xpc.xp_numfiles > 1 && !did_wild_list && (wim_flags[wim_index] & WIM_LIST)) { (void)showmatches(&xpc, FALSE); redrawcmd(); did_wild_list = TRUE; } if (wim_flags[wim_index] & WIM_LONGEST) res = nextwild(&xpc, WILD_LONGEST, options, firstc != '@'); else if (wim_flags[wim_index] & WIM_FULL) res = nextwild(&xpc, WILD_NEXT, options, firstc != '@'); else res = OK; // don't insert 'wildchar' now } else // typed p_wc first time { wim_index = 0; j = ccline.cmdpos; // if 'wildmode' first contains "longest", get longest // common part if (wim_flags[0] & WIM_LONGEST) res = nextwild(&xpc, WILD_LONGEST, options, firstc != '@'); else res = nextwild(&xpc, WILD_EXPAND_KEEP, options, firstc != '@'); // if interrupted while completing, behave like it failed if (got_int) { (void)vpeekc(); // remove <C-C> from input stream got_int = FALSE; // don't abandon the command line (void)ExpandOne(&xpc, NULL, NULL, 0, WILD_FREE); #ifdef FEAT_WILDMENU xpc.xp_context = EXPAND_NOTHING; #endif goto cmdline_changed; } // when more than one match, and 'wildmode' first contains // "list", or no change and 'wildmode' contains "longest,list", // list all matches if (res == OK && xpc.xp_numfiles > 1) { // a "longest" that didn't do anything is skipped (but not // "list:longest") if (wim_flags[0] == WIM_LONGEST && ccline.cmdpos == j) wim_index = 1; if ((wim_flags[wim_index] & WIM_LIST) #ifdef FEAT_WILDMENU || (p_wmnu && (wim_flags[wim_index] & WIM_FULL) != 0) #endif ) { if (!(wim_flags[0] & WIM_LONGEST)) { #ifdef FEAT_WILDMENU int p_wmnu_save = p_wmnu; p_wmnu = 0; #endif // remove match nextwild(&xpc, WILD_PREV, 0, firstc != '@'); #ifdef FEAT_WILDMENU p_wmnu = p_wmnu_save; #endif } #ifdef FEAT_WILDMENU (void)showmatches(&xpc, p_wmnu && ((wim_flags[wim_index] & WIM_LIST) == 0)); #else (void)showmatches(&xpc, FALSE); #endif redrawcmd(); did_wild_list = TRUE; if (wim_flags[wim_index] & WIM_LONGEST) nextwild(&xpc, WILD_LONGEST, options, firstc != '@'); else if (wim_flags[wim_index] & WIM_FULL) nextwild(&xpc, WILD_NEXT, options, firstc != '@'); } else vim_beep(BO_WILD); } #ifdef FEAT_WILDMENU else if (xpc.xp_numfiles == -1) xpc.xp_context = EXPAND_NOTHING; #endif } if (wim_index < 3) ++wim_index; if (c == ESC) gotesc = TRUE; if (res == OK) goto cmdline_changed; } gotesc = FALSE; // <S-Tab> goes to last match, in a clumsy way if (c == K_S_TAB && KeyTyped) { if (nextwild(&xpc, WILD_EXPAND_KEEP, 0, firstc != '@') == OK && nextwild(&xpc, WILD_PREV, 0, firstc != '@') == OK && nextwild(&xpc, WILD_PREV, 0, firstc != '@') == OK) goto cmdline_changed; } if (c == NUL || c == K_ZERO) // NUL is stored as NL c = NL; do_abbr = TRUE; // default: check for abbreviation /* * Big switch for a typed command line character. */ switch (c) { case K_BS: case Ctrl_H: case K_DEL: case K_KDEL: case Ctrl_W: if (c == K_KDEL) c = K_DEL; /* * delete current character is the same as backspace on next * character, except at end of line */ if (c == K_DEL && ccline.cmdpos != ccline.cmdlen) ++ccline.cmdpos; if (has_mbyte && c == K_DEL) ccline.cmdpos += mb_off_next(ccline.cmdbuff, ccline.cmdbuff + ccline.cmdpos); if (ccline.cmdpos > 0) { char_u *p; j = ccline.cmdpos; p = ccline.cmdbuff + j; if (has_mbyte) { p = mb_prevptr(ccline.cmdbuff, p); if (c == Ctrl_W) { while (p > ccline.cmdbuff && vim_isspace(*p)) p = mb_prevptr(ccline.cmdbuff, p); i = mb_get_class(p); while (p > ccline.cmdbuff && mb_get_class(p) == i) p = mb_prevptr(ccline.cmdbuff, p); if (mb_get_class(p) != i) p += (*mb_ptr2len)(p); } } else if (c == Ctrl_W) { while (p > ccline.cmdbuff && vim_isspace(p[-1])) --p; i = vim_iswordc(p[-1]); while (p > ccline.cmdbuff && !vim_isspace(p[-1]) && vim_iswordc(p[-1]) == i) --p; } else --p; ccline.cmdpos = (int)(p - ccline.cmdbuff); ccline.cmdlen -= j - ccline.cmdpos; i = ccline.cmdpos; while (i < ccline.cmdlen) ccline.cmdbuff[i++] = ccline.cmdbuff[j++]; // Truncate at the end, required for multi-byte chars. ccline.cmdbuff[ccline.cmdlen] = NUL; #ifdef FEAT_SEARCH_EXTRA if (ccline.cmdlen == 0) { is_state.search_start = is_state.save_cursor; // save view settings, so that the screen // won't be restored at the wrong position is_state.old_viewstate = is_state.init_viewstate; } #endif redrawcmd(); } else if (ccline.cmdlen == 0 && c != Ctrl_W && ccline.cmdprompt == NULL && indent == 0) { // In ex and debug mode it doesn't make sense to return. if (exmode_active #ifdef FEAT_EVAL || ccline.cmdfirstc == '>' #endif ) goto cmdline_not_changed; VIM_CLEAR(ccline.cmdbuff); // no commandline to return if (!cmd_silent) { #ifdef FEAT_RIGHTLEFT if (cmdmsg_rl) msg_col = Columns; else #endif msg_col = 0; msg_putchar(' '); // delete ':' } #ifdef FEAT_SEARCH_EXTRA if (ccline.cmdlen == 0) is_state.search_start = is_state.save_cursor; #endif redraw_cmdline = TRUE; goto returncmd; // back to cmd mode } goto cmdline_changed; case K_INS: case K_KINS: ccline.overstrike = !ccline.overstrike; #ifdef CURSOR_SHAPE ui_cursor_shape(); // may show different cursor shape #endif goto cmdline_not_changed; case Ctrl_HAT: if (map_to_exists_mode((char_u *)"", LANGMAP, FALSE)) { // ":lmap" mappings exists, toggle use of mappings. State ^= LANGMAP; #ifdef HAVE_INPUT_METHOD im_set_active(FALSE); // Disable input method #endif if (b_im_ptr != NULL) { if (State & LANGMAP) *b_im_ptr = B_IMODE_LMAP; else *b_im_ptr = B_IMODE_NONE; } } #ifdef HAVE_INPUT_METHOD else { // There are no ":lmap" mappings, toggle IM. When // 'imdisable' is set don't try getting the status, it's // always off. if ((p_imdisable && b_im_ptr != NULL) ? *b_im_ptr == B_IMODE_IM : im_get_status()) { im_set_active(FALSE); // Disable input method if (b_im_ptr != NULL) *b_im_ptr = B_IMODE_NONE; } else { im_set_active(TRUE); // Enable input method if (b_im_ptr != NULL) *b_im_ptr = B_IMODE_IM; } } #endif if (b_im_ptr != NULL) { if (b_im_ptr == &curbuf->b_p_iminsert) set_iminsert_global(); else set_imsearch_global(); } #ifdef CURSOR_SHAPE ui_cursor_shape(); // may show different cursor shape #endif #if defined(FEAT_KEYMAP) // Show/unshow value of 'keymap' in status lines later. status_redraw_curbuf(); #endif goto cmdline_not_changed; // case '@': only in very old vi case Ctrl_U: // delete all characters left of the cursor j = ccline.cmdpos; ccline.cmdlen -= j; i = ccline.cmdpos = 0; while (i < ccline.cmdlen) ccline.cmdbuff[i++] = ccline.cmdbuff[j++]; // Truncate at the end, required for multi-byte chars. ccline.cmdbuff[ccline.cmdlen] = NUL; #ifdef FEAT_SEARCH_EXTRA if (ccline.cmdlen == 0) is_state.search_start = is_state.save_cursor; #endif redrawcmd(); goto cmdline_changed; #ifdef FEAT_CLIPBOARD case Ctrl_Y: // Copy the modeless selection, if there is one. if (clip_star.state != SELECT_CLEARED) { if (clip_star.state == SELECT_DONE) clip_copy_modeless_selection(TRUE); goto cmdline_not_changed; } break; #endif case ESC: // get here if p_wc != ESC or when ESC typed twice case Ctrl_C: // In exmode it doesn't make sense to return. Except when // ":normal" runs out of characters. if (exmode_active && (ex_normal_busy == 0 || typebuf.tb_len > 0)) goto cmdline_not_changed; gotesc = TRUE; // will free ccline.cmdbuff after // putting it in history goto returncmd; // back to cmd mode case Ctrl_R: // insert register #ifdef USE_ON_FLY_SCROLL dont_scroll = TRUE; // disallow scrolling here #endif putcmdline('"', TRUE); ++no_mapping; ++allow_keys; i = c = plain_vgetc(); // CTRL-R <char> if (i == Ctrl_O) i = Ctrl_R; // CTRL-R CTRL-O == CTRL-R CTRL-R if (i == Ctrl_R) c = plain_vgetc(); // CTRL-R CTRL-R <char> extra_char = NUL; --no_mapping; --allow_keys; #ifdef FEAT_EVAL /* * Insert the result of an expression. * Need to save the current command line, to be able to enter * a new one... */ new_cmdpos = -1; if (c == '=') { if (ccline.cmdfirstc == '=' // can't do this recursively || cmdline_star > 0) // or when typing a password { beep_flush(); c = ESC; } else c = get_expr_register(); } #endif if (c != ESC) // use ESC to cancel inserting register { cmdline_paste(c, i == Ctrl_R, FALSE); #ifdef FEAT_EVAL // When there was a serious error abort getting the // command line. if (aborting()) { gotesc = TRUE; // will free ccline.cmdbuff after // putting it in history goto returncmd; // back to cmd mode } #endif KeyTyped = FALSE; // Don't do p_wc completion. #ifdef FEAT_EVAL if (new_cmdpos >= 0) { // set_cmdline_pos() was used if (new_cmdpos > ccline.cmdlen) ccline.cmdpos = ccline.cmdlen; else ccline.cmdpos = new_cmdpos; } #endif } redrawcmd(); goto cmdline_changed; case Ctrl_D: if (showmatches(&xpc, FALSE) == EXPAND_NOTHING) break; // Use ^D as normal char instead redrawcmd(); continue; // don't do incremental search now case K_RIGHT: case K_S_RIGHT: case K_C_RIGHT: do { if (ccline.cmdpos >= ccline.cmdlen) break; i = cmdline_charsize(ccline.cmdpos); if (KeyTyped && ccline.cmdspos + i >= Columns * Rows) break; ccline.cmdspos += i; if (has_mbyte) ccline.cmdpos += (*mb_ptr2len)(ccline.cmdbuff + ccline.cmdpos); else ++ccline.cmdpos; } while ((c == K_S_RIGHT || c == K_C_RIGHT || (mod_mask & (MOD_MASK_SHIFT|MOD_MASK_CTRL))) && ccline.cmdbuff[ccline.cmdpos] != ' '); if (has_mbyte) set_cmdspos_cursor(); goto cmdline_not_changed; case K_LEFT: case K_S_LEFT: case K_C_LEFT: if (ccline.cmdpos == 0) goto cmdline_not_changed; do { --ccline.cmdpos; if (has_mbyte) // move to first byte of char ccline.cmdpos -= (*mb_head_off)(ccline.cmdbuff, ccline.cmdbuff + ccline.cmdpos); ccline.cmdspos -= cmdline_charsize(ccline.cmdpos); } while (ccline.cmdpos > 0 && (c == K_S_LEFT || c == K_C_LEFT || (mod_mask & (MOD_MASK_SHIFT|MOD_MASK_CTRL))) && ccline.cmdbuff[ccline.cmdpos - 1] != ' '); if (has_mbyte) set_cmdspos_cursor(); goto cmdline_not_changed; case K_IGNORE: // Ignore mouse event or open_cmdwin() result. goto cmdline_not_changed; #ifdef FEAT_GUI_MSWIN // On MS-Windows ignore <M-F4>, we get it when closing the window // was cancelled. case K_F4: if (mod_mask == MOD_MASK_ALT) { redrawcmd(); // somehow the cmdline is cleared goto cmdline_not_changed; } break; #endif case K_MIDDLEDRAG: case K_MIDDLERELEASE: goto cmdline_not_changed; // Ignore mouse case K_MIDDLEMOUSE: # ifdef FEAT_GUI // When GUI is active, also paste when 'mouse' is empty if (!gui.in_use) # endif if (!mouse_has(MOUSE_COMMAND)) goto cmdline_not_changed; // Ignore mouse # ifdef FEAT_CLIPBOARD if (clip_star.available) cmdline_paste('*', TRUE, TRUE); else # endif cmdline_paste(0, TRUE, TRUE); redrawcmd(); goto cmdline_changed; # ifdef FEAT_DND case K_DROP: cmdline_paste('~', TRUE, FALSE); redrawcmd(); goto cmdline_changed; # endif case K_LEFTDRAG: case K_LEFTRELEASE: case K_RIGHTDRAG: case K_RIGHTRELEASE: // Ignore drag and release events when the button-down wasn't // seen before. if (ignore_drag_release) goto cmdline_not_changed; // FALLTHROUGH case K_LEFTMOUSE: case K_RIGHTMOUSE: if (c == K_LEFTRELEASE || c == K_RIGHTRELEASE) ignore_drag_release = TRUE; else ignore_drag_release = FALSE; # ifdef FEAT_GUI // When GUI is active, also move when 'mouse' is empty if (!gui.in_use) # endif if (!mouse_has(MOUSE_COMMAND)) goto cmdline_not_changed; // Ignore mouse # ifdef FEAT_CLIPBOARD if (mouse_row < cmdline_row && clip_star.available) { int button, is_click, is_drag; /* * Handle modeless selection. */ button = get_mouse_button(KEY2TERMCAP1(c), &is_click, &is_drag); if (mouse_model_popup() && button == MOUSE_LEFT && (mod_mask & MOD_MASK_SHIFT)) { // Translate shift-left to right button. button = MOUSE_RIGHT; mod_mask &= ~MOD_MASK_SHIFT; } clip_modeless(button, is_click, is_drag); goto cmdline_not_changed; } # endif set_cmdspos(); for (ccline.cmdpos = 0; ccline.cmdpos < ccline.cmdlen; ++ccline.cmdpos) { i = cmdline_charsize(ccline.cmdpos); if (mouse_row <= cmdline_row + ccline.cmdspos / Columns && mouse_col < ccline.cmdspos % Columns + i) break; if (has_mbyte) { // Count ">" for double-wide char that doesn't fit. correct_cmdspos(ccline.cmdpos, i); ccline.cmdpos += (*mb_ptr2len)(ccline.cmdbuff + ccline.cmdpos) - 1; } ccline.cmdspos += i; } goto cmdline_not_changed; // Mouse scroll wheel: ignored here case K_MOUSEDOWN: case K_MOUSEUP: case K_MOUSELEFT: case K_MOUSERIGHT: // Alternate buttons ignored here case K_X1MOUSE: case K_X1DRAG: case K_X1RELEASE: case K_X2MOUSE: case K_X2DRAG: case K_X2RELEASE: case K_MOUSEMOVE: goto cmdline_not_changed; #ifdef FEAT_GUI case K_LEFTMOUSE_NM: // mousefocus click, ignored case K_LEFTRELEASE_NM: goto cmdline_not_changed; case K_VER_SCROLLBAR: if (msg_scrolled == 0) { gui_do_scroll(); redrawcmd(); } goto cmdline_not_changed; case K_HOR_SCROLLBAR: if (msg_scrolled == 0) { gui_do_horiz_scroll(scrollbar_value, FALSE); redrawcmd(); } goto cmdline_not_changed; #endif #ifdef FEAT_GUI_TABLINE case K_TABLINE: case K_TABMENU: // Don't want to change any tabs here. Make sure the same tab // is still selected. if (gui_use_tabline()) gui_mch_set_curtab(tabpage_index(curtab)); goto cmdline_not_changed; #endif case K_SELECT: // end of Select mode mapping - ignore goto cmdline_not_changed; case Ctrl_B: // begin of command line case K_HOME: case K_KHOME: case K_S_HOME: case K_C_HOME: ccline.cmdpos = 0; set_cmdspos(); goto cmdline_not_changed; case Ctrl_E: // end of command line case K_END: case K_KEND: case K_S_END: case K_C_END: ccline.cmdpos = ccline.cmdlen; set_cmdspos_cursor(); goto cmdline_not_changed; case Ctrl_A: // all matches if (nextwild(&xpc, WILD_ALL, 0, firstc != '@') == FAIL) break; goto cmdline_changed; case Ctrl_L: #ifdef FEAT_SEARCH_EXTRA if (may_add_char_to_search(firstc, &c, &is_state) == OK) goto cmdline_not_changed; #endif // completion: longest common part if (nextwild(&xpc, WILD_LONGEST, 0, firstc != '@') == FAIL) break; goto cmdline_changed; case Ctrl_N: // next match case Ctrl_P: // previous match if (xpc.xp_numfiles > 0) { if (nextwild(&xpc, (c == Ctrl_P) ? WILD_PREV : WILD_NEXT, 0, firstc != '@') == FAIL) break; goto cmdline_not_changed; } // FALLTHROUGH case K_UP: case K_DOWN: case K_S_UP: case K_S_DOWN: case K_PAGEUP: case K_KPAGEUP: case K_PAGEDOWN: case K_KPAGEDOWN: if (get_hislen() == 0 || firstc == NUL) // no history goto cmdline_not_changed; i = hiscnt; // save current command string so it can be restored later if (lookfor == NULL) { if ((lookfor = vim_strsave(ccline.cmdbuff)) == NULL) goto cmdline_not_changed; lookfor[ccline.cmdpos] = NUL; } j = (int)STRLEN(lookfor); for (;;) { // one step backwards if (c == K_UP|| c == K_S_UP || c == Ctrl_P || c == K_PAGEUP || c == K_KPAGEUP) { if (hiscnt == get_hislen()) // first time hiscnt = *get_hisidx(histype); else if (hiscnt == 0 && *get_hisidx(histype) != get_hislen() - 1) hiscnt = get_hislen() - 1; else if (hiscnt != *get_hisidx(histype) + 1) --hiscnt; else // at top of list { hiscnt = i; break; } } else // one step forwards { // on last entry, clear the line if (hiscnt == *get_hisidx(histype)) { hiscnt = get_hislen(); break; } // not on a history line, nothing to do if (hiscnt == get_hislen()) break; if (hiscnt == get_hislen() - 1) // wrap around hiscnt = 0; else ++hiscnt; } if (hiscnt < 0 || get_histentry(histype)[hiscnt].hisstr == NULL) { hiscnt = i; break; } if ((c != K_UP && c != K_DOWN) || hiscnt == i || STRNCMP(get_histentry(histype)[hiscnt].hisstr, lookfor, (size_t)j) == 0) break; } if (hiscnt != i) // jumped to other entry { char_u *p; int len; int old_firstc; VIM_CLEAR(ccline.cmdbuff); xpc.xp_context = EXPAND_NOTHING; if (hiscnt == get_hislen()) p = lookfor; // back to the old one else p = get_histentry(histype)[hiscnt].hisstr; if (histype == HIST_SEARCH && p != lookfor && (old_firstc = p[STRLEN(p) + 1]) != firstc) { // Correct for the separator character used when // adding the history entry vs the one used now. // First loop: count length. // Second loop: copy the characters. for (i = 0; i <= 1; ++i) { len = 0; for (j = 0; p[j] != NUL; ++j) { // Replace old sep with new sep, unless it is // escaped. if (p[j] == old_firstc && (j == 0 || p[j - 1] != '\\')) { if (i > 0) ccline.cmdbuff[len] = firstc; } else { // Escape new sep, unless it is already // escaped. if (p[j] == firstc && (j == 0 || p[j - 1] != '\\')) { if (i > 0) ccline.cmdbuff[len] = '\\'; ++len; } if (i > 0) ccline.cmdbuff[len] = p[j]; } ++len; } if (i == 0) { alloc_cmdbuff(len); if (ccline.cmdbuff == NULL) goto returncmd; } } ccline.cmdbuff[len] = NUL; } else { alloc_cmdbuff((int)STRLEN(p)); if (ccline.cmdbuff == NULL) goto returncmd; STRCPY(ccline.cmdbuff, p); } ccline.cmdpos = ccline.cmdlen = (int)STRLEN(ccline.cmdbuff); redrawcmd(); goto cmdline_changed; } beep_flush(); goto cmdline_not_changed; #ifdef FEAT_SEARCH_EXTRA case Ctrl_G: // next match case Ctrl_T: // previous match if (may_adjust_incsearch_highlighting( firstc, count, &is_state, c) == FAIL) goto cmdline_not_changed; break; #endif case Ctrl_V: case Ctrl_Q: { int prev_mod_mask = mod_mask; ignore_drag_release = TRUE; putcmdline('^', TRUE); c = get_literal(); // get next (two) character(s) do_abbr = FALSE; // don't do abbreviation now extra_char = NUL; // may need to remove ^ when composing char was typed if (enc_utf8 && utf_iscomposing(c) && !cmd_silent) { draw_cmdline(ccline.cmdpos, ccline.cmdlen - ccline.cmdpos); msg_putchar(' '); cursorcmd(); } if ((c == ESC || c == CSI) && !(prev_mod_mask & MOD_MASK_SHIFT)) // Using CTRL-V: Change any modifyOtherKeys ESC // sequence to a normal key. Don't do this for // CTRL-SHIFT-V. c = decodeModifyOtherKeys(c); } break; #ifdef FEAT_DIGRAPHS case Ctrl_K: ignore_drag_release = TRUE; putcmdline('?', TRUE); # ifdef USE_ON_FLY_SCROLL dont_scroll = TRUE; // disallow scrolling here # endif c = get_digraph(TRUE); extra_char = NUL; if (c != NUL) break; redrawcmd(); goto cmdline_not_changed; #endif // FEAT_DIGRAPHS #ifdef FEAT_RIGHTLEFT case Ctrl__: // CTRL-_: switch language mode if (!p_ari) break; cmd_hkmap = !cmd_hkmap; goto cmdline_not_changed; #endif case K_PS: bracketed_paste(PASTE_CMDLINE, FALSE, NULL); goto cmdline_changed; default: #ifdef UNIX if (c == intr_char) { gotesc = TRUE; // will free ccline.cmdbuff after // putting it in history goto returncmd; // back to Normal mode } #endif /* * Normal character with no special meaning. Just set mod_mask * to 0x0 so that typing Shift-Space in the GUI doesn't enter * the string <S-Space>. This should only happen after ^V. */ if (!IS_SPECIAL(c)) mod_mask = 0x0; break; } /* * End of switch on command line character. * We come here if we have a normal character. */ if (do_abbr && (IS_SPECIAL(c) || !vim_iswordc(c)) && (ccheck_abbr( // Add ABBR_OFF for characters above 0x100, this is // what check_abbr() expects. (has_mbyte && c >= 0x100) ? (c + ABBR_OFF) : c) || c == Ctrl_RSB)) goto cmdline_changed; /* * put the character in the command line */ if (IS_SPECIAL(c) || mod_mask != 0) put_on_cmdline(get_special_key_name(c, mod_mask), -1, TRUE); else { if (has_mbyte) { j = (*mb_char2bytes)(c, IObuff); IObuff[j] = NUL; // exclude composing chars put_on_cmdline(IObuff, j, TRUE); } else { IObuff[0] = c; put_on_cmdline(IObuff, 1, TRUE); } } goto cmdline_changed; /* * This part implements incremental searches for "/" and "?" * Jump to cmdline_not_changed when a character has been read but the command * line did not change. Then we only search and redraw if something changed in * the past. * Jump to cmdline_changed when the command line did change. * (Sorry for the goto's, I know it is ugly). */ cmdline_not_changed: #ifdef FEAT_SEARCH_EXTRA if (!is_state.incsearch_postponed) continue; #endif cmdline_changed: // Trigger CmdlineChanged autocommands. trigger_cmd_autocmd(cmdline_type, EVENT_CMDLINECHANGED); #ifdef FEAT_SEARCH_EXTRA may_do_incsearch_highlighting(firstc, count, &is_state); #endif #ifdef FEAT_RIGHTLEFT if (cmdmsg_rl # ifdef FEAT_ARABIC || (p_arshape && !p_tbidi && cmdline_has_arabic(0, ccline.cmdlen)) # endif ) // Always redraw the whole command line to fix shaping and // right-left typing. Not efficient, but it works. // Do it only when there are no characters left to read // to avoid useless intermediate redraws. if (vpeekc() == NUL) redrawcmd(); #endif } returncmd: #ifdef FEAT_RIGHTLEFT cmdmsg_rl = FALSE; #endif ExpandCleanup(&xpc); ccline.xpc = NULL; #ifdef FEAT_SEARCH_EXTRA finish_incsearch_highlighting(gotesc, &is_state, FALSE); #endif if (ccline.cmdbuff != NULL) { /* * Put line in history buffer (":" and "=" only when it was typed). */ if (ccline.cmdlen && firstc != NUL && (some_key_typed || histype == HIST_SEARCH)) { add_to_history(histype, ccline.cmdbuff, TRUE, histype == HIST_SEARCH ? firstc : NUL); if (firstc == ':') { vim_free(new_last_cmdline); new_last_cmdline = vim_strsave(ccline.cmdbuff); } } if (gotesc) abandon_cmdline(); } /* * If the screen was shifted up, redraw the whole screen (later). * If the line is too long, clear it, so ruler and shown command do * not get printed in the middle of it. */ msg_check(); msg_scroll = save_msg_scroll; redir_off = FALSE; // When the command line was typed, no need for a wait-return prompt. if (some_key_typed) need_wait_return = FALSE; // Trigger CmdlineLeave autocommands. trigger_cmd_autocmd(cmdline_type, EVENT_CMDLINELEAVE); State = save_State; #ifdef HAVE_INPUT_METHOD if (b_im_ptr != NULL && *b_im_ptr != B_IMODE_LMAP) im_save_status(b_im_ptr); im_set_active(FALSE); #endif setmouse(); #ifdef CURSOR_SHAPE ui_cursor_shape(); // may show different cursor shape #endif sb_text_end_cmdline(); theend: { char_u *p = ccline.cmdbuff; if (did_save_ccline) restore_cmdline(&save_ccline); else ccline.cmdbuff = NULL; return p; } } #if (defined(FEAT_CRYPT) || defined(FEAT_EVAL)) || defined(PROTO) /* * Get a command line with a prompt. * This is prepared to be called recursively from getcmdline() (e.g. by * f_input() when evaluating an expression from CTRL-R =). * Returns the command line in allocated memory, or NULL. */ char_u * getcmdline_prompt( int firstc, char_u *prompt, // command line prompt int attr, // attributes for prompt int xp_context, // type of expansion char_u *xp_arg) // user-defined expansion argument { char_u *s; cmdline_info_T save_ccline; int did_save_ccline = FALSE; int msg_col_save = msg_col; int msg_silent_save = msg_silent; if (ccline.cmdbuff != NULL) { // Save the values of the current cmdline and restore them below. save_cmdline(&save_ccline); did_save_ccline = TRUE; } vim_memset(&ccline, 0, sizeof(cmdline_info_T)); ccline.cmdprompt = prompt; ccline.cmdattr = attr; # ifdef FEAT_EVAL ccline.xp_context = xp_context; ccline.xp_arg = xp_arg; ccline.input_fn = (firstc == '@'); # endif msg_silent = 0; s = getcmdline_int(firstc, 1L, 0, FALSE); if (did_save_ccline) restore_cmdline(&save_ccline); msg_silent = msg_silent_save; // Restore msg_col, the prompt from input() may have changed it. // But only if called recursively and the commandline is therefore being // restored to an old one; if not, the input() prompt stays on the screen, // so we need its modified msg_col left intact. if (ccline.cmdbuff != NULL) msg_col = msg_col_save; return s; } #endif /* * Read the 'wildmode' option, fill wim_flags[]. */ int check_opt_wim(void) { char_u new_wim_flags[4]; char_u *p; int i; int idx = 0; for (i = 0; i < 4; ++i) new_wim_flags[i] = 0; for (p = p_wim; *p; ++p) { for (i = 0; ASCII_ISALPHA(p[i]); ++i) ; if (p[i] != NUL && p[i] != ',' && p[i] != ':') return FAIL; if (i == 7 && STRNCMP(p, "longest", 7) == 0) new_wim_flags[idx] |= WIM_LONGEST; else if (i == 4 && STRNCMP(p, "full", 4) == 0) new_wim_flags[idx] |= WIM_FULL; else if (i == 4 && STRNCMP(p, "list", 4) == 0) new_wim_flags[idx] |= WIM_LIST; else if (i == 8 && STRNCMP(p, "lastused", 8) == 0) new_wim_flags[idx] |= WIM_BUFLASTUSED; else return FAIL; p += i; if (*p == NUL) break; if (*p == ',') { if (idx == 3) return FAIL; ++idx; } } // fill remaining entries with last flag while (idx < 3) { new_wim_flags[idx + 1] = new_wim_flags[idx]; ++idx; } // only when there are no errors, wim_flags[] is changed for (i = 0; i < 4; ++i) wim_flags[i] = new_wim_flags[i]; return OK; } /* * Return TRUE when the text must not be changed and we can't switch to * another window or buffer. Used when editing the command line, evaluating * 'balloonexpr', etc. */ int text_locked(void) { #ifdef FEAT_CMDWIN if (cmdwin_type != 0) return TRUE; #endif return textlock != 0; } /* * Give an error message for a command that isn't allowed while the cmdline * window is open or editing the cmdline in another way. */ void text_locked_msg(void) { emsg(_(get_text_locked_msg())); } char * get_text_locked_msg(void) { #ifdef FEAT_CMDWIN if (cmdwin_type != 0) return e_cmdwin; #endif return e_secure; } /* * Check if "curbuf_lock" or "allbuf_lock" is set and return TRUE when it is * and give an error message. */ int curbuf_locked(void) { if (curbuf_lock > 0) { emsg(_("E788: Not allowed to edit another buffer now")); return TRUE; } return allbuf_locked(); } /* * Check if "allbuf_lock" is set and return TRUE when it is and give an error * message. */ int allbuf_locked(void) { if (allbuf_lock > 0) { emsg(_("E811: Not allowed to change buffer information now")); return TRUE; } return FALSE; } static int cmdline_charsize(int idx) { #if defined(FEAT_CRYPT) || defined(FEAT_EVAL) if (cmdline_star > 0) // showing '*', always 1 position return 1; #endif return ptr2cells(ccline.cmdbuff + idx); } /* * Compute the offset of the cursor on the command line for the prompt and * indent. */ static void set_cmdspos(void) { if (ccline.cmdfirstc != NUL) ccline.cmdspos = 1 + ccline.cmdindent; else ccline.cmdspos = 0 + ccline.cmdindent; } /* * Compute the screen position for the cursor on the command line. */ static void set_cmdspos_cursor(void) { int i, m, c; set_cmdspos(); if (KeyTyped) { m = Columns * Rows; if (m < 0) // overflow, Columns or Rows at weird value m = MAXCOL; } else m = MAXCOL; for (i = 0; i < ccline.cmdlen && i < ccline.cmdpos; ++i) { c = cmdline_charsize(i); // Count ">" for double-wide multi-byte char that doesn't fit. if (has_mbyte) correct_cmdspos(i, c); // If the cmdline doesn't fit, show cursor on last visible char. // Don't move the cursor itself, so we can still append. if ((ccline.cmdspos += c) >= m) { ccline.cmdspos -= c; break; } if (has_mbyte) i += (*mb_ptr2len)(ccline.cmdbuff + i) - 1; } } /* * Check if the character at "idx", which is "cells" wide, is a multi-byte * character that doesn't fit, so that a ">" must be displayed. */ static void correct_cmdspos(int idx, int cells) { if ((*mb_ptr2len)(ccline.cmdbuff + idx) > 1 && (*mb_ptr2cells)(ccline.cmdbuff + idx) > 1 && ccline.cmdspos % Columns + cells > Columns) ccline.cmdspos++; } /* * Get an Ex command line for the ":" command. */ char_u * getexline( int c, // normally ':', NUL for ":append" void *cookie UNUSED, int indent, // indent for inside conditionals int do_concat) { // When executing a register, remove ':' that's in front of each line. if (exec_from_reg && vpeekc() == ':') (void)vgetc(); return getcmdline(c, 1L, indent, do_concat); } /* * Get an Ex command line for Ex mode. * In Ex mode we only use the OS supplied line editing features and no * mappings or abbreviations. * Returns a string in allocated memory or NULL. */ char_u * getexmodeline( int promptc, // normally ':', NUL for ":append" and '?' for // :s prompt void *cookie UNUSED, int indent, // indent for inside conditionals int do_concat UNUSED) { garray_T line_ga; char_u *pend; int startcol = 0; int c1 = 0; int escaped = FALSE; // CTRL-V typed int vcol = 0; char_u *p; int prev_char; int len; // Switch cursor on now. This avoids that it happens after the "\n", which // confuses the system function that computes tabstops. cursor_on(); // always start in column 0; write a newline if necessary compute_cmdrow(); if ((msg_col || msg_didout) && promptc != '?') msg_putchar('\n'); if (promptc == ':') { // indent that is only displayed, not in the line itself if (p_prompt) msg_putchar(':'); while (indent-- > 0) msg_putchar(' '); startcol = msg_col; } ga_init2(&line_ga, 1, 30); // autoindent for :insert and :append is in the line itself if (promptc <= 0) { vcol = indent; while (indent >= 8) { ga_append(&line_ga, TAB); msg_puts(" "); indent -= 8; } while (indent-- > 0) { ga_append(&line_ga, ' '); msg_putchar(' '); } } ++no_mapping; ++allow_keys; /* * Get the line, one character at a time. */ got_int = FALSE; while (!got_int) { long sw; char_u *s; if (ga_grow(&line_ga, 40) == FAIL) break; /* * Get one character at a time. */ prev_char = c1; // Check for a ":normal" command and no more characters left. if (ex_normal_busy > 0 && typebuf.tb_len == 0) c1 = '\n'; else c1 = vgetc(); /* * Handle line editing. * Previously this was left to the system, putting the terminal in * cooked mode, but then CTRL-D and CTRL-T can't be used properly. */ if (got_int) { msg_putchar('\n'); break; } if (c1 == K_PS) { bracketed_paste(PASTE_EX, FALSE, &line_ga); goto redraw; } if (!escaped) { // CR typed means "enter", which is NL if (c1 == '\r') c1 = '\n'; if (c1 == BS || c1 == K_BS || c1 == DEL || c1 == K_DEL || c1 == K_KDEL) { if (line_ga.ga_len > 0) { if (has_mbyte) { p = (char_u *)line_ga.ga_data; p[line_ga.ga_len] = NUL; len = (*mb_head_off)(p, p + line_ga.ga_len - 1) + 1; line_ga.ga_len -= len; } else --line_ga.ga_len; goto redraw; } continue; } if (c1 == Ctrl_U) { msg_col = startcol; msg_clr_eos(); line_ga.ga_len = 0; goto redraw; } if (c1 == Ctrl_T) { sw = get_sw_value(curbuf); p = (char_u *)line_ga.ga_data; p[line_ga.ga_len] = NUL; indent = get_indent_str(p, 8, FALSE); indent += sw - indent % sw; add_indent: while (get_indent_str(p, 8, FALSE) < indent) { (void)ga_grow(&line_ga, 2); // one more for the NUL p = (char_u *)line_ga.ga_data; s = skipwhite(p); mch_memmove(s + 1, s, line_ga.ga_len - (s - p) + 1); *s = ' '; ++line_ga.ga_len; } redraw: // redraw the line msg_col = startcol; vcol = 0; p = (char_u *)line_ga.ga_data; p[line_ga.ga_len] = NUL; while (p < (char_u *)line_ga.ga_data + line_ga.ga_len) { if (*p == TAB) { do msg_putchar(' '); while (++vcol % 8); ++p; } else { len = mb_ptr2len(p); msg_outtrans_len(p, len); vcol += ptr2cells(p); p += len; } } msg_clr_eos(); windgoto(msg_row, msg_col); continue; } if (c1 == Ctrl_D) { // Delete one shiftwidth. p = (char_u *)line_ga.ga_data; if (prev_char == '0' || prev_char == '^') { if (prev_char == '^') ex_keep_indent = TRUE; indent = 0; p[--line_ga.ga_len] = NUL; } else { p[line_ga.ga_len] = NUL; indent = get_indent_str(p, 8, FALSE); if (indent > 0) { --indent; indent -= indent % get_sw_value(curbuf); } } while (get_indent_str(p, 8, FALSE) > indent) { s = skipwhite(p); mch_memmove(s - 1, s, line_ga.ga_len - (s - p) + 1); --line_ga.ga_len; } goto add_indent; } if (c1 == Ctrl_V || c1 == Ctrl_Q) { escaped = TRUE; continue; } // Ignore special key codes: mouse movement, K_IGNORE, etc. if (IS_SPECIAL(c1)) continue; } if (IS_SPECIAL(c1)) c1 = '?'; if (has_mbyte) len = (*mb_char2bytes)(c1, (char_u *)line_ga.ga_data + line_ga.ga_len); else { len = 1; ((char_u *)line_ga.ga_data)[line_ga.ga_len] = c1; } if (c1 == '\n') msg_putchar('\n'); else if (c1 == TAB) { // Don't use chartabsize(), 'ts' can be different do msg_putchar(' '); while (++vcol % 8); } else { msg_outtrans_len( ((char_u *)line_ga.ga_data) + line_ga.ga_len, len); vcol += char2cells(c1); } line_ga.ga_len += len; escaped = FALSE; windgoto(msg_row, msg_col); pend = (char_u *)(line_ga.ga_data) + line_ga.ga_len; // We are done when a NL is entered, but not when it comes after an // odd number of backslashes, that results in a NUL. if (line_ga.ga_len > 0 && pend[-1] == '\n') { int bcount = 0; while (line_ga.ga_len - 2 >= bcount && pend[-2 - bcount] == '\\') ++bcount; if (bcount > 0) { // Halve the number of backslashes: "\NL" -> "NUL", "\\NL" -> // "\NL", etc. line_ga.ga_len -= (bcount + 1) / 2; pend -= (bcount + 1) / 2; pend[-1] = '\n'; } if ((bcount & 1) == 0) { --line_ga.ga_len; --pend; *pend = NUL; break; } } } --no_mapping; --allow_keys; // make following messages go to the next line msg_didout = FALSE; msg_col = 0; if (msg_row < Rows - 1) ++msg_row; emsg_on_display = FALSE; // don't want ui_delay() if (got_int) ga_clear(&line_ga); return (char_u *)line_ga.ga_data; } # if defined(MCH_CURSOR_SHAPE) || defined(FEAT_GUI) \ || defined(FEAT_MOUSESHAPE) || defined(PROTO) /* * Return TRUE if ccline.overstrike is on. */ int cmdline_overstrike(void) { return ccline.overstrike; } /* * Return TRUE if the cursor is at the end of the cmdline. */ int cmdline_at_end(void) { return (ccline.cmdpos >= ccline.cmdlen); } #endif #if (defined(FEAT_XIM) && (defined(FEAT_GUI_GTK))) || defined(PROTO) /* * Return the virtual column number at the current cursor position. * This is used by the IM code to obtain the start of the preedit string. */ colnr_T cmdline_getvcol_cursor(void) { if (ccline.cmdbuff == NULL || ccline.cmdpos > ccline.cmdlen) return MAXCOL; if (has_mbyte) { colnr_T col; int i = 0; for (col = 0; i < ccline.cmdpos; ++col) i += (*mb_ptr2len)(ccline.cmdbuff + i); return col; } else return ccline.cmdpos; } #endif #if defined(FEAT_XIM) && defined(FEAT_GUI_GTK) /* * If part of the command line is an IM preedit string, redraw it with * IM feedback attributes. The cursor position is restored after drawing. */ static void redrawcmd_preedit(void) { if ((State & CMDLINE) && xic != NULL // && im_get_status() doesn't work when using SCIM && !p_imdisable && im_is_preediting()) { int cmdpos = 0; int cmdspos; int old_row; int old_col; colnr_T col; old_row = msg_row; old_col = msg_col; cmdspos = ((ccline.cmdfirstc != NUL) ? 1 : 0) + ccline.cmdindent; if (has_mbyte) { for (col = 0; col < preedit_start_col && cmdpos < ccline.cmdlen; ++col) { cmdspos += (*mb_ptr2cells)(ccline.cmdbuff + cmdpos); cmdpos += (*mb_ptr2len)(ccline.cmdbuff + cmdpos); } } else { cmdspos += preedit_start_col; cmdpos += preedit_start_col; } msg_row = cmdline_row + (cmdspos / (int)Columns); msg_col = cmdspos % (int)Columns; if (msg_row >= Rows) msg_row = Rows - 1; for (col = 0; cmdpos < ccline.cmdlen; ++col) { int char_len; int char_attr; char_attr = im_get_feedback_attr(col); if (char_attr < 0) break; // end of preedit string if (has_mbyte) char_len = (*mb_ptr2len)(ccline.cmdbuff + cmdpos); else char_len = 1; msg_outtrans_len_attr(ccline.cmdbuff + cmdpos, char_len, char_attr); cmdpos += char_len; } msg_row = old_row; msg_col = old_col; } } #endif // FEAT_XIM && FEAT_GUI_GTK /* * Allocate a new command line buffer. * Assigns the new buffer to ccline.cmdbuff and ccline.cmdbufflen. */ static void alloc_cmdbuff(int len) { /* * give some extra space to avoid having to allocate all the time */ if (len < 80) len = 100; else len += 20; ccline.cmdbuff = alloc(len); // caller should check for out-of-memory ccline.cmdbufflen = len; } /* * Re-allocate the command line to length len + something extra. * return FAIL for failure, OK otherwise */ int realloc_cmdbuff(int len) { char_u *p; if (len < ccline.cmdbufflen) return OK; // no need to resize p = ccline.cmdbuff; alloc_cmdbuff(len); // will get some more if (ccline.cmdbuff == NULL) // out of memory { ccline.cmdbuff = p; // keep the old one return FAIL; } // There isn't always a NUL after the command, but it may need to be // there, thus copy up to the NUL and add a NUL. mch_memmove(ccline.cmdbuff, p, (size_t)ccline.cmdlen); ccline.cmdbuff[ccline.cmdlen] = NUL; vim_free(p); if (ccline.xpc != NULL && ccline.xpc->xp_pattern != NULL && ccline.xpc->xp_context != EXPAND_NOTHING && ccline.xpc->xp_context != EXPAND_UNSUCCESSFUL) { int i = (int)(ccline.xpc->xp_pattern - p); // If xp_pattern points inside the old cmdbuff it needs to be adjusted // to point into the newly allocated memory. if (i >= 0 && i <= ccline.cmdlen) ccline.xpc->xp_pattern = ccline.cmdbuff + i; } return OK; } #if defined(FEAT_ARABIC) || defined(PROTO) static char_u *arshape_buf = NULL; # if defined(EXITFREE) || defined(PROTO) void free_arshape_buf(void) { vim_free(arshape_buf); } # endif #endif /* * Draw part of the cmdline at the current cursor position. But draw stars * when cmdline_star is TRUE. */ static void draw_cmdline(int start, int len) { #if defined(FEAT_CRYPT) || defined(FEAT_EVAL) int i; if (cmdline_star > 0) for (i = 0; i < len; ++i) { msg_putchar('*'); if (has_mbyte) i += (*mb_ptr2len)(ccline.cmdbuff + start + i) - 1; } else #endif #ifdef FEAT_ARABIC if (p_arshape && !p_tbidi && cmdline_has_arabic(start, len)) { static int buflen = 0; char_u *p; int j; int newlen = 0; int mb_l; int pc, pc1 = 0; int prev_c = 0; int prev_c1 = 0; int u8c; int u8cc[MAX_MCO]; int nc = 0; /* * Do arabic shaping into a temporary buffer. This is very * inefficient! */ if (len * 2 + 2 > buflen) { // Re-allocate the buffer. We keep it around to avoid a lot of // alloc()/free() calls. vim_free(arshape_buf); buflen = len * 2 + 2; arshape_buf = alloc(buflen); if (arshape_buf == NULL) return; // out of memory } if (utf_iscomposing(utf_ptr2char(ccline.cmdbuff + start))) { // Prepend a space to draw the leading composing char on. arshape_buf[0] = ' '; newlen = 1; } for (j = start; j < start + len; j += mb_l) { p = ccline.cmdbuff + j; u8c = utfc_ptr2char_len(p, u8cc, start + len - j); mb_l = utfc_ptr2len_len(p, start + len - j); if (ARABIC_CHAR(u8c)) { // Do Arabic shaping. if (cmdmsg_rl) { // displaying from right to left pc = prev_c; pc1 = prev_c1; prev_c1 = u8cc[0]; if (j + mb_l >= start + len) nc = NUL; else nc = utf_ptr2char(p + mb_l); } else { // displaying from left to right if (j + mb_l >= start + len) pc = NUL; else { int pcc[MAX_MCO]; pc = utfc_ptr2char_len(p + mb_l, pcc, start + len - j - mb_l); pc1 = pcc[0]; } nc = prev_c; } prev_c = u8c; u8c = arabic_shape(u8c, NULL, &u8cc[0], pc, pc1, nc); newlen += (*mb_char2bytes)(u8c, arshape_buf + newlen); if (u8cc[0] != 0) { newlen += (*mb_char2bytes)(u8cc[0], arshape_buf + newlen); if (u8cc[1] != 0) newlen += (*mb_char2bytes)(u8cc[1], arshape_buf + newlen); } } else { prev_c = u8c; mch_memmove(arshape_buf + newlen, p, mb_l); newlen += mb_l; } } msg_outtrans_len(arshape_buf, newlen); } else #endif msg_outtrans_len(ccline.cmdbuff + start, len); } /* * Put a character on the command line. Shifts the following text to the * right when "shift" is TRUE. Used for CTRL-V, CTRL-K, etc. * "c" must be printable (fit in one display cell)! */ void putcmdline(int c, int shift) { if (cmd_silent) return; msg_no_more = TRUE; msg_putchar(c); if (shift) draw_cmdline(ccline.cmdpos, ccline.cmdlen - ccline.cmdpos); msg_no_more = FALSE; cursorcmd(); extra_char = c; extra_char_shift = shift; } /* * Undo a putcmdline(c, FALSE). */ void unputcmdline(void) { if (cmd_silent) return; msg_no_more = TRUE; if (ccline.cmdlen == ccline.cmdpos) msg_putchar(' '); else if (has_mbyte) draw_cmdline(ccline.cmdpos, (*mb_ptr2len)(ccline.cmdbuff + ccline.cmdpos)); else draw_cmdline(ccline.cmdpos, 1); msg_no_more = FALSE; cursorcmd(); extra_char = NUL; } /* * Put the given string, of the given length, onto the command line. * If len is -1, then STRLEN() is used to calculate the length. * If 'redraw' is TRUE then the new part of the command line, and the remaining * part will be redrawn, otherwise it will not. If this function is called * twice in a row, then 'redraw' should be FALSE and redrawcmd() should be * called afterwards. */ int put_on_cmdline(char_u *str, int len, int redraw) { int retval; int i; int m; int c; if (len < 0) len = (int)STRLEN(str); // Check if ccline.cmdbuff needs to be longer if (ccline.cmdlen + len + 1 >= ccline.cmdbufflen) retval = realloc_cmdbuff(ccline.cmdlen + len + 1); else retval = OK; if (retval == OK) { if (!ccline.overstrike) { mch_memmove(ccline.cmdbuff + ccline.cmdpos + len, ccline.cmdbuff + ccline.cmdpos, (size_t)(ccline.cmdlen - ccline.cmdpos)); ccline.cmdlen += len; } else { if (has_mbyte) { // Count nr of characters in the new string. m = 0; for (i = 0; i < len; i += (*mb_ptr2len)(str + i)) ++m; // Count nr of bytes in cmdline that are overwritten by these // characters. for (i = ccline.cmdpos; i < ccline.cmdlen && m > 0; i += (*mb_ptr2len)(ccline.cmdbuff + i)) --m; if (i < ccline.cmdlen) { mch_memmove(ccline.cmdbuff + ccline.cmdpos + len, ccline.cmdbuff + i, (size_t)(ccline.cmdlen - i)); ccline.cmdlen += ccline.cmdpos + len - i; } else ccline.cmdlen = ccline.cmdpos + len; } else if (ccline.cmdpos + len > ccline.cmdlen) ccline.cmdlen = ccline.cmdpos + len; } mch_memmove(ccline.cmdbuff + ccline.cmdpos, str, (size_t)len); ccline.cmdbuff[ccline.cmdlen] = NUL; if (enc_utf8) { // When the inserted text starts with a composing character, // backup to the character before it. There could be two of them. i = 0; c = utf_ptr2char(ccline.cmdbuff + ccline.cmdpos); while (ccline.cmdpos > 0 && utf_iscomposing(c)) { i = (*mb_head_off)(ccline.cmdbuff, ccline.cmdbuff + ccline.cmdpos - 1) + 1; ccline.cmdpos -= i; len += i; c = utf_ptr2char(ccline.cmdbuff + ccline.cmdpos); } #ifdef FEAT_ARABIC if (i == 0 && ccline.cmdpos > 0 && arabic_maycombine(c)) { // Check the previous character for Arabic combining pair. i = (*mb_head_off)(ccline.cmdbuff, ccline.cmdbuff + ccline.cmdpos - 1) + 1; if (arabic_combine(utf_ptr2char(ccline.cmdbuff + ccline.cmdpos - i), c)) { ccline.cmdpos -= i; len += i; } else i = 0; } #endif if (i != 0) { // Also backup the cursor position. i = ptr2cells(ccline.cmdbuff + ccline.cmdpos); ccline.cmdspos -= i; msg_col -= i; if (msg_col < 0) { msg_col += Columns; --msg_row; } } } if (redraw && !cmd_silent) { msg_no_more = TRUE; i = cmdline_row; cursorcmd(); draw_cmdline(ccline.cmdpos, ccline.cmdlen - ccline.cmdpos); // Avoid clearing the rest of the line too often. if (cmdline_row != i || ccline.overstrike) msg_clr_eos(); msg_no_more = FALSE; } if (KeyTyped) { m = Columns * Rows; if (m < 0) // overflow, Columns or Rows at weird value m = MAXCOL; } else m = MAXCOL; for (i = 0; i < len; ++i) { c = cmdline_charsize(ccline.cmdpos); // count ">" for a double-wide char that doesn't fit. if (has_mbyte) correct_cmdspos(ccline.cmdpos, c); // Stop cursor at the end of the screen, but do increment the // insert position, so that entering a very long command // works, even though you can't see it. if (ccline.cmdspos + c < m) ccline.cmdspos += c; if (has_mbyte) { c = (*mb_ptr2len)(ccline.cmdbuff + ccline.cmdpos) - 1; if (c > len - i - 1) c = len - i - 1; ccline.cmdpos += c; i += c; } ++ccline.cmdpos; } } if (redraw) msg_check(); return retval; } static cmdline_info_T prev_ccline; static int prev_ccline_used = FALSE; /* * Save ccline, because obtaining the "=" register may execute "normal :cmd" * and overwrite it. But get_cmdline_str() may need it, thus make it * available globally in prev_ccline. */ static void save_cmdline(cmdline_info_T *ccp) { if (!prev_ccline_used) { vim_memset(&prev_ccline, 0, sizeof(cmdline_info_T)); prev_ccline_used = TRUE; } *ccp = prev_ccline; prev_ccline = ccline; ccline.cmdbuff = NULL; // signal that ccline is not in use } /* * Restore ccline after it has been saved with save_cmdline(). */ static void restore_cmdline(cmdline_info_T *ccp) { ccline = prev_ccline; prev_ccline = *ccp; } /* * Paste a yank register into the command line. * Used by CTRL-R command in command-line mode. * insert_reg() can't be used here, because special characters from the * register contents will be interpreted as commands. * * Return FAIL for failure, OK otherwise. */ static int cmdline_paste( int regname, int literally, // Insert text literally instead of "as typed" int remcr) // remove trailing CR { long i; char_u *arg; char_u *p; int allocated; // check for valid regname; also accept special characters for CTRL-R in // the command line if (regname != Ctrl_F && regname != Ctrl_P && regname != Ctrl_W && regname != Ctrl_A && regname != Ctrl_L && !valid_yank_reg(regname, FALSE)) return FAIL; // A register containing CTRL-R can cause an endless loop. Allow using // CTRL-C to break the loop. line_breakcheck(); if (got_int) return FAIL; #ifdef FEAT_CLIPBOARD regname = may_get_selection(regname); #endif // Need to set "textlock" to avoid nasty things like going to another // buffer when evaluating an expression. ++textlock; i = get_spec_reg(regname, &arg, &allocated, TRUE); --textlock; if (i) { // Got the value of a special register in "arg". if (arg == NULL) return FAIL; // When 'incsearch' is set and CTRL-R CTRL-W used: skip the duplicate // part of the word. p = arg; if (p_is && regname == Ctrl_W) { char_u *w; int len; // Locate start of last word in the cmd buffer. for (w = ccline.cmdbuff + ccline.cmdpos; w > ccline.cmdbuff; ) { if (has_mbyte) { len = (*mb_head_off)(ccline.cmdbuff, w - 1) + 1; if (!vim_iswordc(mb_ptr2char(w - len))) break; w -= len; } else { if (!vim_iswordc(w[-1])) break; --w; } } len = (int)((ccline.cmdbuff + ccline.cmdpos) - w); if (p_ic ? STRNICMP(w, arg, len) == 0 : STRNCMP(w, arg, len) == 0) p += len; } cmdline_paste_str(p, literally); if (allocated) vim_free(arg); return OK; } return cmdline_paste_reg(regname, literally, remcr); } /* * Put a string on the command line. * When "literally" is TRUE, insert literally. * When "literally" is FALSE, insert as typed, but don't leave the command * line. */ void cmdline_paste_str(char_u *s, int literally) { int c, cv; if (literally) put_on_cmdline(s, -1, TRUE); else while (*s != NUL) { cv = *s; if (cv == Ctrl_V && s[1]) ++s; if (has_mbyte) c = mb_cptr2char_adv(&s); else c = *s++; if (cv == Ctrl_V || c == ESC || c == Ctrl_C || c == CAR || c == NL || c == Ctrl_L #ifdef UNIX || c == intr_char #endif || (c == Ctrl_BSL && *s == Ctrl_N)) stuffcharReadbuff(Ctrl_V); stuffcharReadbuff(c); } } #ifdef FEAT_WILDMENU /* * Delete characters on the command line, from "from" to the current * position. */ static void cmdline_del(int from) { mch_memmove(ccline.cmdbuff + from, ccline.cmdbuff + ccline.cmdpos, (size_t)(ccline.cmdlen - ccline.cmdpos + 1)); ccline.cmdlen -= ccline.cmdpos - from; ccline.cmdpos = from; } #endif /* * This function is called when the screen size changes and with incremental * search and in other situations where the command line may have been * overwritten. */ void redrawcmdline(void) { redrawcmdline_ex(TRUE); } void redrawcmdline_ex(int do_compute_cmdrow) { if (cmd_silent) return; need_wait_return = FALSE; if (do_compute_cmdrow) compute_cmdrow(); redrawcmd(); cursorcmd(); } static void redrawcmdprompt(void) { int i; if (cmd_silent) return; if (ccline.cmdfirstc != NUL) msg_putchar(ccline.cmdfirstc); if (ccline.cmdprompt != NULL) { msg_puts_attr((char *)ccline.cmdprompt, ccline.cmdattr); ccline.cmdindent = msg_col + (msg_row - cmdline_row) * Columns; // do the reverse of set_cmdspos() if (ccline.cmdfirstc != NUL) --ccline.cmdindent; } else for (i = ccline.cmdindent; i > 0; --i) msg_putchar(' '); } /* * Redraw what is currently on the command line. */ void redrawcmd(void) { if (cmd_silent) return; // when 'incsearch' is set there may be no command line while redrawing if (ccline.cmdbuff == NULL) { windgoto(cmdline_row, 0); msg_clr_eos(); return; } msg_start(); redrawcmdprompt(); // Don't use more prompt, truncate the cmdline if it doesn't fit. msg_no_more = TRUE; draw_cmdline(0, ccline.cmdlen); msg_clr_eos(); msg_no_more = FALSE; set_cmdspos_cursor(); if (extra_char != NUL) putcmdline(extra_char, extra_char_shift); /* * An emsg() before may have set msg_scroll. This is used in normal mode, * in cmdline mode we can reset them now. */ msg_scroll = FALSE; // next message overwrites cmdline // Typing ':' at the more prompt may set skip_redraw. We don't want this // in cmdline mode skip_redraw = FALSE; } void compute_cmdrow(void) { if (exmode_active || msg_scrolled != 0) cmdline_row = Rows - 1; else cmdline_row = W_WINROW(lastwin) + lastwin->w_height + lastwin->w_status_height; } void cursorcmd(void) { if (cmd_silent) return; #ifdef FEAT_RIGHTLEFT if (cmdmsg_rl) { msg_row = cmdline_row + (ccline.cmdspos / (int)(Columns - 1)); msg_col = (int)Columns - (ccline.cmdspos % (int)(Columns - 1)) - 1; if (msg_row <= 0) msg_row = Rows - 1; } else #endif { msg_row = cmdline_row + (ccline.cmdspos / (int)Columns); msg_col = ccline.cmdspos % (int)Columns; if (msg_row >= Rows) msg_row = Rows - 1; } windgoto(msg_row, msg_col); #if defined(FEAT_XIM) && defined(FEAT_GUI_GTK) if (p_imst == IM_ON_THE_SPOT) redrawcmd_preedit(); #endif #ifdef MCH_CURSOR_SHAPE mch_update_cursor(); #endif } void gotocmdline(int clr) { msg_start(); #ifdef FEAT_RIGHTLEFT if (cmdmsg_rl) msg_col = Columns - 1; else #endif msg_col = 0; // always start in column 0 if (clr) // clear the bottom line(s) msg_clr_eos(); // will reset clear_cmdline windgoto(cmdline_row, 0); } /* * 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 with * backspaces and the replacement string is inserted, followed by "c". */ static int ccheck_abbr(int c) { int spos = 0; if (p_paste || no_abbr) // no abbreviations or in paste mode return FALSE; // Do not consider '<,'> be part of the mapping, skip leading whitespace. // Actually accepts any mark. while (VIM_ISWHITE(ccline.cmdbuff[spos]) && spos < ccline.cmdlen) spos++; if (ccline.cmdlen - spos > 5 && ccline.cmdbuff[spos] == '\'' && ccline.cmdbuff[spos + 2] == ',' && ccline.cmdbuff[spos + 3] == '\'') spos += 5; else // check abbreviation from the beginning of the commandline spos = 0; return check_abbr(c, ccline.cmdbuff, ccline.cmdpos, spos); } /* * Escape special characters in "fname" for when used as a file name argument * after a Vim command, or, when "shell" is non-zero, a shell command. * Returns the result in allocated memory. */ char_u * vim_strsave_fnameescape(char_u *fname, int shell UNUSED) { char_u *p; #ifdef BACKSLASH_IN_FILENAME char_u buf[20]; int j = 0; // Don't escape '[', '{' and '!' if they are in 'isfname'. for (p = PATH_ESC_CHARS; *p != NUL; ++p) if ((*p != '[' && *p != '{' && *p != '!') || !vim_isfilec(*p)) buf[j++] = *p; buf[j] = NUL; p = vim_strsave_escaped(fname, buf); #else p = vim_strsave_escaped(fname, shell ? SHELL_ESC_CHARS : PATH_ESC_CHARS); if (shell && csh_like_shell() && p != NULL) { char_u *s; // For csh and similar shells need to put two backslashes before '!'. // One is taken by Vim, one by the shell. s = vim_strsave_escaped(p, (char_u *)"!"); vim_free(p); p = s; } #endif // '>' and '+' are special at the start of some commands, e.g. ":edit" and // ":write". "cd -" has a special meaning. if (p != NULL && (*p == '>' || *p == '+' || (*p == '-' && p[1] == NUL))) escape_fname(&p); return p; } /* * Put a backslash before the file name in "pp", which is in allocated memory. */ void escape_fname(char_u **pp) { char_u *p; p = alloc(STRLEN(*pp) + 2); if (p != NULL) { p[0] = '\\'; STRCPY(p + 1, *pp); vim_free(*pp); *pp = p; } } /* * For each file name in files[num_files]: * If 'orig_pat' starts with "~/", replace the home directory with "~". */ void tilde_replace( char_u *orig_pat, int num_files, char_u **files) { int i; char_u *p; if (orig_pat[0] == '~' && vim_ispathsep(orig_pat[1])) { for (i = 0; i < num_files; ++i) { p = home_replace_save(NULL, files[i]); if (p != NULL) { vim_free(files[i]); files[i] = p; } } } } /* * Get a pointer to the current command line info. */ cmdline_info_T * get_cmdline_info(void) { return &ccline; } #if defined(FEAT_EVAL) || defined(FEAT_CMDWIN) || defined(PROTO) /* * Get pointer to the command line info to use. save_ccline() may clear * ccline and put the previous value in prev_ccline. */ static cmdline_info_T * get_ccline_ptr(void) { if ((State & CMDLINE) == 0) return NULL; if (ccline.cmdbuff != NULL) return &ccline; if (prev_ccline_used && prev_ccline.cmdbuff != NULL) return &prev_ccline; return NULL; } #endif #if defined(FEAT_EVAL) || defined(PROTO) /* * Get the current command line in allocated memory. * Only works when the command line is being edited. * Returns NULL when something is wrong. */ static char_u * get_cmdline_str(void) { cmdline_info_T *p; if (cmdline_star > 0) return NULL; p = get_ccline_ptr(); if (p == NULL) return NULL; return vim_strnsave(p->cmdbuff, p->cmdlen); } /* * "getcmdline()" function */ void f_getcmdline(typval_T *argvars UNUSED, typval_T *rettv) { rettv->v_type = VAR_STRING; rettv->vval.v_string = get_cmdline_str(); } /* * "getcmdpos()" function */ void f_getcmdpos(typval_T *argvars UNUSED, typval_T *rettv) { cmdline_info_T *p = get_ccline_ptr(); rettv->vval.v_number = 0; if (p != NULL) rettv->vval.v_number = p->cmdpos + 1; } /* * Set the command line byte position to "pos". Zero is the first position. * Only works when the command line is being edited. * Returns 1 when failed, 0 when OK. */ static int set_cmdline_pos( int pos) { cmdline_info_T *p = get_ccline_ptr(); if (p == NULL) return 1; // The position is not set directly but after CTRL-\ e or CTRL-R = has // changed the command line. if (pos < 0) new_cmdpos = 0; else new_cmdpos = pos; return 0; } /* * "setcmdpos()" function */ void f_setcmdpos(typval_T *argvars, typval_T *rettv) { int pos = (int)tv_get_number(&argvars[0]) - 1; if (pos >= 0) rettv->vval.v_number = set_cmdline_pos(pos); } /* * "getcmdtype()" function */ void f_getcmdtype(typval_T *argvars UNUSED, typval_T *rettv) { rettv->v_type = VAR_STRING; rettv->vval.v_string = alloc(2); if (rettv->vval.v_string != NULL) { rettv->vval.v_string[0] = get_cmdline_type(); rettv->vval.v_string[1] = NUL; } } #endif #if defined(FEAT_EVAL) || defined(FEAT_CMDWIN) || defined(PROTO) /* * Get the current command-line type. * Returns ':' or '/' or '?' or '@' or '>' or '-' * Only works when the command line is being edited. * Returns NUL when something is wrong. */ int get_cmdline_type(void) { cmdline_info_T *p = get_ccline_ptr(); if (p == NULL) return NUL; if (p->cmdfirstc == NUL) return # ifdef FEAT_EVAL (p->input_fn) ? '@' : # endif '-'; return p->cmdfirstc; } #endif /* * Return the first character of the current command line. */ int get_cmdline_firstc(void) { return ccline.cmdfirstc; } /* * Get indices "num1,num2" that specify a range within a list (not a range of * text lines in a buffer!) from a string. Used for ":history" and ":clist". * Returns OK if parsed successfully, otherwise FAIL. */ int get_list_range(char_u **str, int *num1, int *num2) { int len; int first = FALSE; varnumber_T num; *str = skipwhite(*str); if (**str == '-' || vim_isdigit(**str)) // parse "from" part of range { vim_str2nr(*str, NULL, &len, 0, &num, NULL, 0, FALSE); *str += len; *num1 = (int)num; first = TRUE; } *str = skipwhite(*str); if (**str == ',') // parse "to" part of range { *str = skipwhite(*str + 1); vim_str2nr(*str, NULL, &len, 0, &num, NULL, 0, FALSE); if (len > 0) { *num2 = (int)num; *str = skipwhite(*str + len); } else if (!first) // no number given at all return FAIL; } else if (first) // only one number given *num2 = *num1; return OK; } #if defined(FEAT_CMDWIN) || defined(PROTO) /* * Check value of 'cedit' and set cedit_key. * Returns NULL if value is OK, error message otherwise. */ char * check_cedit(void) { int n; if (*p_cedit == NUL) cedit_key = -1; else { n = string_to_key(p_cedit, FALSE); if (vim_isprintc(n)) return e_invarg; cedit_key = n; } return NULL; } /* * Open a window on the current command line and history. Allow editing in * the window. Returns when the window is closed. * Returns: * CR if the command is to be executed * Ctrl_C if it is to be abandoned * K_IGNORE if editing continues */ static int open_cmdwin(void) { bufref_T old_curbuf; win_T *old_curwin = curwin; bufref_T bufref; win_T *wp; int i; linenr_T lnum; int histtype; garray_T winsizes; int save_restart_edit = restart_edit; int save_State = State; int save_exmode = exmode_active; #ifdef FEAT_RIGHTLEFT int save_cmdmsg_rl = cmdmsg_rl; #endif #ifdef FEAT_FOLDING int save_KeyTyped; #endif // Can't do this recursively. Can't do it when typing a password. if (cmdwin_type != 0 # if defined(FEAT_CRYPT) || defined(FEAT_EVAL) || cmdline_star > 0 # endif ) { beep_flush(); return K_IGNORE; } set_bufref(&old_curbuf, curbuf); // Save current window sizes. win_size_save(&winsizes); // When using completion in Insert mode with <C-R>=<C-F> one can open the // command line window, but we don't want the popup menu then. pum_undisplay(); // don't use a new tab page cmdmod.tab = 0; cmdmod.noswapfile = 1; // Create a window for the command-line buffer. if (win_split((int)p_cwh, WSP_BOT) == FAIL) { beep_flush(); ga_clear(&winsizes); return K_IGNORE; } cmdwin_type = get_cmdline_type(); // Create the command-line buffer empty. (void)do_ecmd(0, NULL, NULL, NULL, ECMD_ONE, ECMD_HIDE, NULL); (void)setfname(curbuf, (char_u *)"[Command Line]", NULL, TRUE); set_option_value((char_u *)"bt", 0L, (char_u *)"nofile", OPT_LOCAL); curbuf->b_p_ma = TRUE; #ifdef FEAT_FOLDING curwin->w_p_fen = FALSE; #endif # ifdef FEAT_RIGHTLEFT curwin->w_p_rl = cmdmsg_rl; cmdmsg_rl = FALSE; # endif RESET_BINDING(curwin); // Don't allow switching to another buffer. ++curbuf_lock; // Showing the prompt may have set need_wait_return, reset it. need_wait_return = FALSE; histtype = hist_char2type(cmdwin_type); if (histtype == HIST_CMD || histtype == HIST_DEBUG) { if (p_wc == TAB) { add_map((char_u *)"<buffer> <Tab> <C-X><C-V>", INSERT); add_map((char_u *)"<buffer> <Tab> a<C-X><C-V>", NORMAL); } set_option_value((char_u *)"ft", 0L, (char_u *)"vim", OPT_LOCAL); } --curbuf_lock; // Reset 'textwidth' after setting 'filetype' (the Vim filetype plugin // sets 'textwidth' to 78). curbuf->b_p_tw = 0; // Fill the buffer with the history. init_history(); if (get_hislen() > 0) { i = *get_hisidx(histtype); if (i >= 0) { lnum = 0; do { if (++i == get_hislen()) i = 0; if (get_histentry(histtype)[i].hisstr != NULL) ml_append(lnum++, get_histentry(histtype)[i].hisstr, (colnr_T)0, FALSE); } while (i != *get_hisidx(histtype)); } } // Replace the empty last line with the current command-line and put the // cursor there. ml_replace(curbuf->b_ml.ml_line_count, ccline.cmdbuff, TRUE); curwin->w_cursor.lnum = curbuf->b_ml.ml_line_count; curwin->w_cursor.col = ccline.cmdpos; changed_line_abv_curs(); invalidate_botline(); redraw_later(SOME_VALID); // No Ex mode here! exmode_active = 0; State = NORMAL; setmouse(); // Reset here so it can be set by a CmdWinEnter autocommand. cmdwin_result = 0; // Trigger CmdwinEnter autocommands. trigger_cmd_autocmd(cmdwin_type, EVENT_CMDWINENTER); if (restart_edit != 0) // autocmd with ":startinsert" stuffcharReadbuff(K_NOP); i = RedrawingDisabled; RedrawingDisabled = 0; /* * Call the main loop until <CR> or CTRL-C is typed. */ main_loop(TRUE, FALSE); RedrawingDisabled = i; # ifdef FEAT_FOLDING save_KeyTyped = KeyTyped; # endif // Trigger CmdwinLeave autocommands. trigger_cmd_autocmd(cmdwin_type, EVENT_CMDWINLEAVE); # ifdef FEAT_FOLDING // Restore KeyTyped in case it is modified by autocommands KeyTyped = save_KeyTyped; # endif cmdwin_type = 0; exmode_active = save_exmode; // Safety check: The old window or buffer was deleted: It's a bug when // this happens! if (!win_valid(old_curwin) || !bufref_valid(&old_curbuf)) { cmdwin_result = Ctrl_C; emsg(_("E199: Active window or buffer deleted")); } else { # if defined(FEAT_EVAL) // autocmds may abort script processing if (aborting() && cmdwin_result != K_IGNORE) cmdwin_result = Ctrl_C; # endif // Set the new command line from the cmdline buffer. vim_free(ccline.cmdbuff); if (cmdwin_result == K_XF1 || cmdwin_result == K_XF2) // :qa[!] typed { char *p = (cmdwin_result == K_XF2) ? "qa" : "qa!"; if (histtype == HIST_CMD) { // Execute the command directly. ccline.cmdbuff = vim_strsave((char_u *)p); cmdwin_result = CAR; } else { // First need to cancel what we were doing. ccline.cmdbuff = NULL; stuffcharReadbuff(':'); stuffReadbuff((char_u *)p); stuffcharReadbuff(CAR); } } else if (cmdwin_result == K_XF2) // :qa typed { ccline.cmdbuff = vim_strsave((char_u *)"qa"); cmdwin_result = CAR; } else if (cmdwin_result == Ctrl_C) { // :q or :close, don't execute any command // and don't modify the cmd window. ccline.cmdbuff = NULL; } else ccline.cmdbuff = vim_strsave(ml_get_curline()); if (ccline.cmdbuff == NULL) { ccline.cmdbuff = vim_strsave((char_u *)""); ccline.cmdlen = 0; ccline.cmdbufflen = 1; ccline.cmdpos = 0; cmdwin_result = Ctrl_C; } else { ccline.cmdlen = (int)STRLEN(ccline.cmdbuff); ccline.cmdbufflen = ccline.cmdlen + 1; ccline.cmdpos = curwin->w_cursor.col; if (ccline.cmdpos > ccline.cmdlen) ccline.cmdpos = ccline.cmdlen; if (cmdwin_result == K_IGNORE) { set_cmdspos_cursor(); redrawcmd(); } } # ifdef FEAT_CONCEAL // Avoid command-line window first character being concealed. curwin->w_p_cole = 0; # endif wp = curwin; set_bufref(&bufref, curbuf); win_goto(old_curwin); win_close(wp, TRUE); // win_close() may have already wiped the buffer when 'bh' is // set to 'wipe' if (bufref_valid(&bufref)) close_buffer(NULL, bufref.br_buf, DOBUF_WIPE, FALSE, FALSE); // Restore window sizes. win_size_restore(&winsizes); } ga_clear(&winsizes); restart_edit = save_restart_edit; # ifdef FEAT_RIGHTLEFT cmdmsg_rl = save_cmdmsg_rl; # endif State = save_State; setmouse(); return cmdwin_result; } #endif // FEAT_CMDWIN /* * Used for commands that either take a simple command string argument, or: * cmd << endmarker * {script} * endmarker * Returns a pointer to allocated memory with {script} or NULL. */ char_u * script_get(exarg_T *eap, char_u *cmd) { char_u *theline; char *end_pattern = NULL; char dot[] = "."; garray_T ga; if (cmd[0] != '<' || cmd[1] != '<' || eap->getline == NULL) return NULL; ga_init2(&ga, 1, 0x400); if (cmd[2] != NUL) end_pattern = (char *)skipwhite(cmd + 2); else end_pattern = dot; for (;;) { theline = eap->getline( #ifdef FEAT_EVAL eap->cstack->cs_looplevel > 0 ? -1 : #endif NUL, eap->cookie, 0, TRUE); if (theline == NULL || STRCMP(end_pattern, theline) == 0) { vim_free(theline); break; } ga_concat(&ga, theline); ga_append(&ga, '\n'); vim_free(theline); } ga_append(&ga, NUL); return (char_u *)ga.ga_data; } #if defined(FEAT_EVAL) || defined(PROTO) /* * This function is used by f_input() and f_inputdialog() functions. The third * argument to f_input() specifies the type of completion to use at the * prompt. The third argument to f_inputdialog() specifies the value to return * when the user cancels the prompt. */ void get_user_input( typval_T *argvars, typval_T *rettv, int inputdialog, int secret) { char_u *prompt = tv_get_string_chk(&argvars[0]); char_u *p = NULL; int c; char_u buf[NUMBUFLEN]; int cmd_silent_save = cmd_silent; char_u *defstr = (char_u *)""; int xp_type = EXPAND_NOTHING; char_u *xp_arg = NULL; rettv->v_type = VAR_STRING; rettv->vval.v_string = NULL; #ifdef NO_CONSOLE_INPUT // While starting up, there is no place to enter text. When running tests // with --not-a-term we assume feedkeys() will be used. if (no_console_input() && !is_not_a_term()) return; #endif cmd_silent = FALSE; // Want to see the prompt. if (prompt != NULL) { // Only the part of the message after the last NL is considered as // prompt for the command line p = vim_strrchr(prompt, '\n'); if (p == NULL) p = prompt; else { ++p; c = *p; *p = NUL; msg_start(); msg_clr_eos(); msg_puts_attr((char *)prompt, get_echo_attr()); msg_didout = FALSE; msg_starthere(); *p = c; } cmdline_row = msg_row; if (argvars[1].v_type != VAR_UNKNOWN) { defstr = tv_get_string_buf_chk(&argvars[1], buf); if (defstr != NULL) stuffReadbuffSpec(defstr); if (!inputdialog && argvars[2].v_type != VAR_UNKNOWN) { char_u *xp_name; int xp_namelen; long argt; // input() with a third argument: completion rettv->vval.v_string = NULL; xp_name = tv_get_string_buf_chk(&argvars[2], buf); if (xp_name == NULL) return; xp_namelen = (int)STRLEN(xp_name); if (parse_compl_arg(xp_name, xp_namelen, &xp_type, &argt, &xp_arg) == FAIL) return; } } if (defstr != NULL) { int save_ex_normal_busy = ex_normal_busy; ex_normal_busy = 0; rettv->vval.v_string = getcmdline_prompt(secret ? NUL : '@', p, get_echo_attr(), xp_type, xp_arg); ex_normal_busy = save_ex_normal_busy; } if (inputdialog && rettv->vval.v_string == NULL && argvars[1].v_type != VAR_UNKNOWN && argvars[2].v_type != VAR_UNKNOWN) rettv->vval.v_string = vim_strsave(tv_get_string_buf( &argvars[2], buf)); vim_free(xp_arg); // since the user typed this, no need to wait for return need_wait_return = FALSE; msg_didout = FALSE; } cmd_silent = cmd_silent_save; } #endif