ref: c40d57b389033a42ad526308884e49b39746ecf5
dir: /edit.c/
/* vi:set ts=8 sts=4 sw=4:
*
* VIM - Vi IMproved by Bram Moolenaar
*
* Do ":help uganda" in Vim to read copying and usage conditions.
* Do ":help credits" in Vim to see a list of people who contributed.
* See README.txt for an overview of the Vim source code.
*/
/*
* edit.c: functions for Insert mode
*/
#include "vim.h"
#ifdef FEAT_INS_EXPAND
/*
* definitions used for CTRL-X submode
*/
#define CTRL_X_WANT_IDENT 0x100
#define CTRL_X_NOT_DEFINED_YET 1
#define CTRL_X_SCROLL 2
#define CTRL_X_WHOLE_LINE 3
#define CTRL_X_FILES 4
#define CTRL_X_TAGS (5 + CTRL_X_WANT_IDENT)
#define CTRL_X_PATH_PATTERNS (6 + CTRL_X_WANT_IDENT)
#define CTRL_X_PATH_DEFINES (7 + CTRL_X_WANT_IDENT)
#define CTRL_X_FINISHED 8
#define CTRL_X_DICTIONARY (9 + CTRL_X_WANT_IDENT)
#define CTRL_X_THESAURUS (10 + CTRL_X_WANT_IDENT)
#define CTRL_X_CMDLINE 11
#define CTRL_X_FUNCTION 12
#define CTRL_X_OMNI 13
#define CTRL_X_SPELL 14
#define CTRL_X_LOCAL_MSG 15 /* only used in "ctrl_x_msgs" */
#define CTRL_X_MSG(i) ctrl_x_msgs[(i) & ~CTRL_X_WANT_IDENT]
static char *ctrl_x_msgs[] =
{
N_(" Keyword completion (^N^P)"), /* ctrl_x_mode == 0, ^P/^N compl. */
N_(" ^X mode (^]^D^E^F^I^K^L^N^O^Ps^U^V^Y)"),
NULL,
N_(" Whole line completion (^L^N^P)"),
N_(" File name completion (^F^N^P)"),
N_(" Tag completion (^]^N^P)"),
N_(" Path pattern completion (^N^P)"),
N_(" Definition completion (^D^N^P)"),
NULL,
N_(" Dictionary completion (^K^N^P)"),
N_(" Thesaurus completion (^T^N^P)"),
N_(" Command-line completion (^V^N^P)"),
N_(" User defined completion (^U^N^P)"),
N_(" Omni completion (^O^N^P)"),
N_(" Spelling suggestion (s^N^P)"),
N_(" Keyword Local completion (^N^P)"),
};
static char_u e_hitend[] = N_("Hit end of paragraph");
/*
* Structure used to store one match for insert completion.
*/
typedef struct compl_S compl_T;
struct compl_S
{
compl_T *cp_next;
compl_T *cp_prev;
char_u *cp_str; /* matched text */
char cp_icase; /* TRUE or FALSE: ignore case */
char_u *(cp_text[CPT_COUNT]); /* text for the menu */
char_u *cp_fname; /* file containing the match, allocated when
* cp_flags has FREE_FNAME */
int cp_flags; /* ORIGINAL_TEXT, CONT_S_IPOS or FREE_FNAME */
int cp_number; /* sequence number */
};
#define ORIGINAL_TEXT (1) /* the original text when the expansion begun */
#define FREE_FNAME (2)
/*
* All the current matches are stored in a list.
* "compl_first_match" points to the start of the list.
* "compl_curr_match" points to the currently selected entry.
* "compl_shown_match" is different from compl_curr_match during
* ins_compl_get_exp().
*/
static compl_T *compl_first_match = NULL;
static compl_T *compl_curr_match = NULL;
static compl_T *compl_shown_match = NULL;
/* After using a cursor key <Enter> selects a match in the popup menu,
* otherwise it inserts a line break. */
static int compl_enter_selects = FALSE;
/* When "compl_leader" is not NULL only matches that start with this string
* are used. */
static char_u *compl_leader = NULL;
static int compl_get_longest = FALSE; /* put longest common string
in compl_leader */
static int compl_used_match; /* Selected one of the matches. When
FALSE the match was edited or using
the longest common string. */
static int compl_was_interrupted = FALSE; /* didn't finish finding
completions. */
static int compl_restarting = FALSE; /* don't insert match */
/* When the first completion is done "compl_started" is set. When it's
* FALSE the word to be completed must be located. */
static int compl_started = FALSE;
static int compl_matches = 0;
static char_u *compl_pattern = NULL;
static int compl_direction = FORWARD;
static int compl_shows_dir = FORWARD;
static int compl_pending = 0; /* > 1 for postponed CTRL-N */
static pos_T compl_startpos;
static colnr_T compl_col = 0; /* column where the text starts
* that is being completed */
static char_u *compl_orig_text = NULL; /* text as it was before
* completion started */
static int compl_cont_mode = 0;
static expand_T compl_xp;
static void ins_ctrl_x __ARGS((void));
static int has_compl_option __ARGS((int dict_opt));
static int ins_compl_add __ARGS((char_u *str, int len, int icase, char_u *fname, char_u **cptext, int cdir, int flags, int adup));
static int ins_compl_equal __ARGS((compl_T *match, char_u *str, int len));
static void ins_compl_longest_match __ARGS((compl_T *match));
static void ins_compl_add_matches __ARGS((int num_matches, char_u **matches, int icase));
static int ins_compl_make_cyclic __ARGS((void));
static void ins_compl_upd_pum __ARGS((void));
static void ins_compl_del_pum __ARGS((void));
static int pum_wanted __ARGS((void));
static int pum_enough_matches __ARGS((void));
static void ins_compl_dictionaries __ARGS((char_u *dict, char_u *pat, int flags, int thesaurus));
static void ins_compl_files __ARGS((int count, char_u **files, int thesaurus, int flags, regmatch_T *regmatch, char_u *buf, int *dir));
static char_u *find_line_end __ARGS((char_u *ptr));
static void ins_compl_free __ARGS((void));
static void ins_compl_clear __ARGS((void));
static int ins_compl_bs __ARGS((void));
static void ins_compl_new_leader __ARGS((void));
static void ins_compl_addleader __ARGS((int c));
static void ins_compl_restart __ARGS((void));
static void ins_compl_set_original_text __ARGS((char_u *str));
static void ins_compl_addfrommatch __ARGS((void));
static int ins_compl_prep __ARGS((int c));
static buf_T *ins_compl_next_buf __ARGS((buf_T *buf, int flag));
#if defined(FEAT_COMPL_FUNC) || defined(FEAT_EVAL)
static void ins_compl_add_list __ARGS((list_T *list));
#endif
static int ins_compl_get_exp __ARGS((pos_T *ini));
static void ins_compl_delete __ARGS((void));
static void ins_compl_insert __ARGS((void));
static int ins_compl_next __ARGS((int allow_get_expansion, int count, int insert_match));
static int ins_compl_key2dir __ARGS((int c));
static int ins_compl_pum_key __ARGS((int c));
static int ins_compl_key2count __ARGS((int c));
static int ins_compl_use_match __ARGS((int c));
static int ins_complete __ARGS((int c));
static int quote_meta __ARGS((char_u *dest, char_u *str, int len));
#endif /* FEAT_INS_EXPAND */
#define BACKSPACE_CHAR 1
#define BACKSPACE_WORD 2
#define BACKSPACE_WORD_NOT_SPACE 3
#define BACKSPACE_LINE 4
static void ins_redraw __ARGS((int ready));
static void ins_ctrl_v __ARGS((void));
static void undisplay_dollar __ARGS((void));
static void insert_special __ARGS((int, int, int));
static void internal_format __ARGS((int textwidth, int second_indent, int flags, int format_only));
static void check_auto_format __ARGS((int));
static void redo_literal __ARGS((int c));
static void start_arrow __ARGS((pos_T *end_insert_pos));
#ifdef FEAT_SPELL
static void check_spell_redraw __ARGS((void));
static void spell_back_to_badword __ARGS((void));
static int spell_bad_len = 0; /* length of located bad word */
#endif
static void stop_insert __ARGS((pos_T *end_insert_pos, int esc));
static int echeck_abbr __ARGS((int));
#if 0
static void replace_push_off __ARGS((int c));
#endif
static int replace_pop __ARGS((void));
static void replace_join __ARGS((int off));
static void replace_pop_ins __ARGS((void));
#ifdef FEAT_MBYTE
static void mb_replace_pop_ins __ARGS((int cc));
#endif
static void replace_flush __ARGS((void));
static void replace_do_bs __ARGS((void));
#ifdef FEAT_CINDENT
static int cindent_on __ARGS((void));
#endif
static void ins_reg __ARGS((void));
static void ins_ctrl_g __ARGS((void));
static void ins_ctrl_hat __ARGS((void));
static int ins_esc __ARGS((long *count, int cmdchar, int nomove));
#ifdef FEAT_RIGHTLEFT
static void ins_ctrl_ __ARGS((void));
#endif
#ifdef FEAT_VISUAL
static int ins_start_select __ARGS((int c));
#endif
static void ins_insert __ARGS((int replaceState));
static void ins_ctrl_o __ARGS((void));
static void ins_shift __ARGS((int c, int lastc));
static void ins_del __ARGS((void));
static int ins_bs __ARGS((int c, int mode, int *inserted_space_p));
#ifdef FEAT_MOUSE
static void ins_mouse __ARGS((int c));
static void ins_mousescroll __ARGS((int up));
#endif
#if defined(FEAT_GUI_TABLINE) || defined(PROTO)
static void ins_tabline __ARGS((int c));
#endif
static void ins_left __ARGS((void));
static void ins_home __ARGS((int c));
static void ins_end __ARGS((int c));
static void ins_s_left __ARGS((void));
static void ins_right __ARGS((void));
static void ins_s_right __ARGS((void));
static void ins_up __ARGS((int startcol));
static void ins_pageup __ARGS((void));
static void ins_down __ARGS((int startcol));
static void ins_pagedown __ARGS((void));
#ifdef FEAT_DND
static void ins_drop __ARGS((void));
#endif
static int ins_tab __ARGS((void));
static int ins_eol __ARGS((int c));
#ifdef FEAT_DIGRAPHS
static int ins_digraph __ARGS((void));
#endif
static int ins_copychar __ARGS((linenr_T lnum));
static int ins_ctrl_ey __ARGS((int tc));
#ifdef FEAT_SMARTINDENT
static void ins_try_si __ARGS((int c));
#endif
static colnr_T get_nolist_virtcol __ARGS((void));
static colnr_T Insstart_textlen; /* length of line when insert started */
static colnr_T Insstart_blank_vcol; /* vcol for first inserted blank */
static char_u *last_insert = NULL; /* the text of the previous insert,
K_SPECIAL and CSI are escaped */
static int last_insert_skip; /* nr of chars in front of previous insert */
static int new_insert_skip; /* nr of chars in front of current insert */
static int did_restart_edit; /* "restart_edit" when calling edit() */
#ifdef FEAT_CINDENT
static int can_cindent; /* may do cindenting on this line */
#endif
static int old_indent = 0; /* for ^^D command in insert mode */
#ifdef FEAT_RIGHTLEFT
static int revins_on; /* reverse insert mode on */
static int revins_chars; /* how much to skip after edit */
static int revins_legal; /* was the last char 'legal'? */
static int revins_scol; /* start column of revins session */
#endif
static int ins_need_undo; /* call u_save() before inserting a
char. Set when edit() is called.
after that arrow_used is used. */
static int did_add_space = FALSE; /* auto_format() added an extra space
under the cursor */
/*
* edit(): Start inserting text.
*
* "cmdchar" can be:
* 'i' normal insert command
* 'a' normal append command
* 'R' replace command
* 'r' "r<CR>" command: insert one <CR>. Note: count can be > 1, for redo,
* but still only one <CR> is inserted. The <Esc> is not used for redo.
* 'g' "gI" command.
* 'V' "gR" command for Virtual Replace mode.
* 'v' "gr" command for single character Virtual Replace mode.
*
* This function is not called recursively. For CTRL-O commands, it returns
* and lets the caller handle the Normal-mode command.
*
* Return TRUE if a CTRL-O command caused the return (insert mode pending).
*/
int
edit(cmdchar, startln, count)
int cmdchar;
int startln; /* if set, insert at start of line */
long count;
{
int c = 0;
char_u *ptr;
int lastc;
colnr_T mincol;
static linenr_T o_lnum = 0;
int i;
int did_backspace = TRUE; /* previous char was backspace */
#ifdef FEAT_CINDENT
int line_is_white = FALSE; /* line is empty before insert */
#endif
linenr_T old_topline = 0; /* topline before insertion */
#ifdef FEAT_DIFF
int old_topfill = -1;
#endif
int inserted_space = FALSE; /* just inserted a space */
int replaceState = REPLACE;
int nomove = FALSE; /* don't move cursor on return */
/* Remember whether editing was restarted after CTRL-O. */
did_restart_edit = restart_edit;
/* sleep before redrawing, needed for "CTRL-O :" that results in an
* error message */
check_for_delay(TRUE);
#ifdef HAVE_SANDBOX
/* Don't allow inserting in the sandbox. */
if (sandbox != 0)
{
EMSG(_(e_sandbox));
return FALSE;
}
#endif
/* Don't allow changes in the buffer while editing the cmdline. The
* caller of getcmdline() may get confused. */
if (textlock != 0)
{
EMSG(_(e_secure));
return FALSE;
}
#ifdef FEAT_INS_EXPAND
/* Don't allow recursive insert mode when busy with completion. */
if (compl_started || pum_visible())
{
EMSG(_(e_secure));
return FALSE;
}
ins_compl_clear(); /* clear stuff for CTRL-X mode */
#endif
#ifdef FEAT_AUTOCMD
/*
* Trigger InsertEnter autocommands. Do not do this for "r<CR>" or "grx".
*/
if (cmdchar != 'r' && cmdchar != 'v')
{
# ifdef FEAT_EVAL
if (cmdchar == 'R')
ptr = (char_u *)"r";
else if (cmdchar == 'V')
ptr = (char_u *)"v";
else
ptr = (char_u *)"i";
set_vim_var_string(VV_INSERTMODE, ptr, 1);
# endif
apply_autocmds(EVENT_INSERTENTER, NULL, NULL, FALSE, curbuf);
}
#endif
#ifdef FEAT_MOUSE
/*
* When doing a paste with the middle mouse button, Insstart is set to
* where the paste started.
*/
if (where_paste_started.lnum != 0)
Insstart = where_paste_started;
else
#endif
{
Insstart = curwin->w_cursor;
if (startln)
Insstart.col = 0;
}
Insstart_textlen = linetabsize(ml_get_curline());
Insstart_blank_vcol = MAXCOL;
if (!did_ai)
ai_col = 0;
if (cmdchar != NUL && restart_edit == 0)
{
ResetRedobuff();
AppendNumberToRedobuff(count);
#ifdef FEAT_VREPLACE
if (cmdchar == 'V' || cmdchar == 'v')
{
/* "gR" or "gr" command */
AppendCharToRedobuff('g');
AppendCharToRedobuff((cmdchar == 'v') ? 'r' : 'R');
}
else
#endif
{
AppendCharToRedobuff(cmdchar);
if (cmdchar == 'g') /* "gI" command */
AppendCharToRedobuff('I');
else if (cmdchar == 'r') /* "r<CR>" command */
count = 1; /* insert only one <CR> */
}
}
if (cmdchar == 'R')
{
#ifdef FEAT_FKMAP
if (p_fkmap && p_ri)
{
beep_flush();
EMSG(farsi_text_3); /* encoded in Farsi */
State = INSERT;
}
else
#endif
State = REPLACE;
}
#ifdef FEAT_VREPLACE
else if (cmdchar == 'V' || cmdchar == 'v')
{
State = VREPLACE;
replaceState = VREPLACE;
orig_line_count = curbuf->b_ml.ml_line_count;
vr_lines_changed = 1;
}
#endif
else
State = INSERT;
stop_insert_mode = FALSE;
/*
* Need to recompute the cursor position, it might move when the cursor is
* on a TAB or special character.
*/
curs_columns(TRUE);
/*
* Enable langmap or IME, indicated by 'iminsert'.
* Note that IME may enabled/disabled without us noticing here, thus the
* 'iminsert' value may not reflect what is actually used. It is updated
* when hitting <Esc>.
*/
if (curbuf->b_p_iminsert == B_IMODE_LMAP)
State |= LANGMAP;
#ifdef USE_IM_CONTROL
im_set_active(curbuf->b_p_iminsert == B_IMODE_IM);
#endif
#ifdef FEAT_MOUSE
setmouse();
#endif
#ifdef FEAT_CMDL_INFO
clear_showcmd();
#endif
#ifdef FEAT_RIGHTLEFT
/* there is no reverse replace mode */
revins_on = (State == INSERT && p_ri);
if (revins_on)
undisplay_dollar();
revins_chars = 0;
revins_legal = 0;
revins_scol = -1;
#endif
/*
* Handle restarting Insert mode.
* Don't do this for "CTRL-O ." (repeat an insert): we get here with
* restart_edit non-zero, and something in the stuff buffer.
*/
if (restart_edit != 0 && stuff_empty())
{
#ifdef FEAT_MOUSE
/*
* After a paste we consider text typed to be part of the insert for
* the pasted text. You can backspace over the pasted text too.
*/
if (where_paste_started.lnum)
arrow_used = FALSE;
else
#endif
arrow_used = TRUE;
restart_edit = 0;
/*
* If the cursor was after the end-of-line before the CTRL-O and it is
* now at the end-of-line, put it after the end-of-line (this is not
* correct in very rare cases).
* Also do this if curswant is greater than the current virtual
* column. Eg after "^O$" or "^O80|".
*/
validate_virtcol();
update_curswant();
if (((ins_at_eol && curwin->w_cursor.lnum == o_lnum)
|| curwin->w_curswant > curwin->w_virtcol)
&& *(ptr = ml_get_curline() + curwin->w_cursor.col) != NUL)
{
if (ptr[1] == NUL)
++curwin->w_cursor.col;
#ifdef FEAT_MBYTE
else if (has_mbyte)
{
i = (*mb_ptr2len)(ptr);
if (ptr[i] == NUL)
curwin->w_cursor.col += i;
}
#endif
}
ins_at_eol = FALSE;
}
else
arrow_used = FALSE;
/* we are in insert mode now, don't need to start it anymore */
need_start_insertmode = FALSE;
/* Need to save the line for undo before inserting the first char. */
ins_need_undo = TRUE;
#ifdef FEAT_MOUSE
where_paste_started.lnum = 0;
#endif
#ifdef FEAT_CINDENT
can_cindent = TRUE;
#endif
#ifdef FEAT_FOLDING
/* The cursor line is not in a closed fold, unless 'insertmode' is set or
* restarting. */
if (!p_im && did_restart_edit == 0)
foldOpenCursor();
#endif
/*
* If 'showmode' is set, show the current (insert/replace/..) mode.
* A warning message for changing a readonly file is given here, before
* actually changing anything. It's put after the mode, if any.
*/
i = 0;
if (p_smd && msg_silent == 0)
i = showmode();
if (!p_im && did_restart_edit == 0)
change_warning(i + 1);
#ifdef CURSOR_SHAPE
ui_cursor_shape(); /* may show different cursor shape */
#endif
#ifdef FEAT_DIGRAPHS
do_digraph(-1); /* clear digraphs */
#endif
/*
* Get the current length of the redo buffer, those characters have to be
* skipped if we want to get to the inserted characters.
*/
ptr = get_inserted();
if (ptr == NULL)
new_insert_skip = 0;
else
{
new_insert_skip = (int)STRLEN(ptr);
vim_free(ptr);
}
old_indent = 0;
/*
* Main loop in Insert mode: repeat until Insert mode is left.
*/
for (;;)
{
#ifdef FEAT_RIGHTLEFT
if (!revins_legal)
revins_scol = -1; /* reset on illegal motions */
else
revins_legal = 0;
#endif
if (arrow_used) /* don't repeat insert when arrow key used */
count = 0;
if (stop_insert_mode)
{
/* ":stopinsert" used or 'insertmode' reset */
count = 0;
goto doESCkey;
}
/* set curwin->w_curswant for next K_DOWN or K_UP */
if (!arrow_used)
curwin->w_set_curswant = TRUE;
/* If there is no typeahead may check for timestamps (e.g., for when a
* menu invoked a shell command). */
if (stuff_empty())
{
did_check_timestamps = FALSE;
if (need_check_timestamps)
check_timestamps(FALSE);
}
/*
* When emsg() was called msg_scroll will have been set.
*/
msg_scroll = FALSE;
#ifdef FEAT_GUI
/* When 'mousefocus' is set a mouse movement may have taken us to
* another window. "need_mouse_correct" may then be set because of an
* autocommand. */
if (need_mouse_correct)
gui_mouse_correct();
#endif
#ifdef FEAT_FOLDING
/* Open fold at the cursor line, according to 'foldopen'. */
if (fdo_flags & FDO_INSERT)
foldOpenCursor();
/* Close folds where the cursor isn't, according to 'foldclose' */
if (!char_avail())
foldCheckClose();
#endif
/*
* If we inserted a character at the last position of the last line in
* the window, scroll the window one line up. This avoids an extra
* redraw.
* This is detected when the cursor column is smaller after inserting
* something.
* Don't do this when the topline changed already, it has
* already been adjusted (by insertchar() calling open_line())).
*/
if (curbuf->b_mod_set
&& curwin->w_p_wrap
&& !did_backspace
&& curwin->w_topline == old_topline
#ifdef FEAT_DIFF
&& curwin->w_topfill == old_topfill
#endif
)
{
mincol = curwin->w_wcol;
validate_cursor_col();
if ((int)curwin->w_wcol < (int)mincol - curbuf->b_p_ts
&& curwin->w_wrow == W_WINROW(curwin)
+ curwin->w_height - 1 - p_so
&& (curwin->w_cursor.lnum != curwin->w_topline
#ifdef FEAT_DIFF
|| curwin->w_topfill > 0
#endif
))
{
#ifdef FEAT_DIFF
if (curwin->w_topfill > 0)
--curwin->w_topfill;
else
#endif
#ifdef FEAT_FOLDING
if (hasFolding(curwin->w_topline, NULL, &old_topline))
set_topline(curwin, old_topline + 1);
else
#endif
set_topline(curwin, curwin->w_topline + 1);
}
}
/* May need to adjust w_topline to show the cursor. */
update_topline();
did_backspace = FALSE;
validate_cursor(); /* may set must_redraw */
/*
* Redraw the display when no characters are waiting.
* Also shows mode, ruler and positions cursor.
*/
ins_redraw(TRUE);
#ifdef FEAT_SCROLLBIND
if (curwin->w_p_scb)
do_check_scrollbind(TRUE);
#endif
update_curswant();
old_topline = curwin->w_topline;
#ifdef FEAT_DIFF
old_topfill = curwin->w_topfill;
#endif
#ifdef USE_ON_FLY_SCROLL
dont_scroll = FALSE; /* allow scrolling here */
#endif
/*
* Get a character for Insert mode.
*/
lastc = c; /* remember previous char for CTRL-D */
c = safe_vgetc();
#ifdef FEAT_AUTOCMD
/* Don't want K_CURSORHOLD for the second key, e.g., after CTRL-V. */
did_cursorhold = TRUE;
#endif
#ifdef FEAT_RIGHTLEFT
if (p_hkmap && KeyTyped)
c = hkmap(c); /* Hebrew mode mapping */
#endif
#ifdef FEAT_FKMAP
if (p_fkmap && KeyTyped)
c = fkmap(c); /* Farsi mode mapping */
#endif
#ifdef FEAT_INS_EXPAND
/*
* Special handling of keys while the popup menu is visible or wanted
* and the cursor is still in the completed word. Only when there is
* a match, skip this when no matches were found.
*/
if (compl_started
&& pum_wanted()
&& curwin->w_cursor.col >= compl_col
&& (compl_shown_match == NULL
|| compl_shown_match != compl_shown_match->cp_next))
{
/* BS: Delete one character from "compl_leader". */
if ((c == K_BS || c == Ctrl_H)
&& curwin->w_cursor.col > compl_col
&& (c = ins_compl_bs()) == NUL)
continue;
/* When no match was selected or it was edited. */
if (!compl_used_match)
{
/* CTRL-L: Add one character from the current match to
* "compl_leader". Except when at the original match and
* there is nothing to add, CTRL-L works like CTRL-P then. */
if (c == Ctrl_L
&& (ctrl_x_mode != CTRL_X_WHOLE_LINE
|| STRLEN(compl_shown_match->cp_str)
> curwin->w_cursor.col - compl_col))
{
ins_compl_addfrommatch();
continue;
}
/* A printable, non-white character: Add to "compl_leader". */
if (vim_isprintc(c) && !vim_iswhite(c))
{
ins_compl_addleader(c);
continue;
}
/* Pressing CTRL-Y selects the current match. When
* compl_enter_selects is set the Enter key does the same. */
if (c == Ctrl_Y || (compl_enter_selects
&& (c == CAR || c == K_KENTER || c == NL)))
{
ins_compl_delete();
ins_compl_insert();
}
}
}
/* Prepare for or stop CTRL-X mode. This doesn't do completion, but
* it does fix up the text when finishing completion. */
compl_get_longest = FALSE;
if (c != K_IGNORE && ins_compl_prep(c))
continue;
#endif
/* CTRL-\ CTRL-N goes to Normal mode,
* CTRL-\ CTRL-G goes to mode selected with 'insertmode',
* CTRL-\ CTRL-O is like CTRL-O but without moving the cursor. */
if (c == Ctrl_BSL)
{
/* may need to redraw when no more chars available now */
ins_redraw(FALSE);
++no_mapping;
++allow_keys;
c = safe_vgetc();
--no_mapping;
--allow_keys;
if (c != Ctrl_N && c != Ctrl_G && c != Ctrl_O)
{
/* it's something else */
vungetc(c);
c = Ctrl_BSL;
}
else if (c == Ctrl_G && p_im)
continue;
else
{
if (c == Ctrl_O)
{
ins_ctrl_o();
ins_at_eol = FALSE; /* cursor keeps its column */
nomove = TRUE;
}
count = 0;
goto doESCkey;
}
}
#ifdef FEAT_DIGRAPHS
c = do_digraph(c);
#endif
#ifdef FEAT_INS_EXPAND
if ((c == Ctrl_V || c == Ctrl_Q) && ctrl_x_mode == CTRL_X_CMDLINE)
goto docomplete;
#endif
if (c == Ctrl_V || c == Ctrl_Q)
{
ins_ctrl_v();
c = Ctrl_V; /* pretend CTRL-V is last typed character */
continue;
}
#ifdef FEAT_CINDENT
if (cindent_on()
# ifdef FEAT_INS_EXPAND
&& ctrl_x_mode == 0
# endif
)
{
/* A key name preceded by a bang means this key is not to be
* inserted. Skip ahead to the re-indenting below.
* A key name preceded by a star means that indenting has to be
* done before inserting the key. */
line_is_white = inindent(0);
if (in_cinkeys(c, '!', line_is_white))
goto force_cindent;
if (can_cindent && in_cinkeys(c, '*', line_is_white)
&& stop_arrow() == OK)
do_c_expr_indent();
}
#endif
#ifdef FEAT_RIGHTLEFT
if (curwin->w_p_rl)
switch (c)
{
case K_LEFT: c = K_RIGHT; break;
case K_S_LEFT: c = K_S_RIGHT; break;
case K_C_LEFT: c = K_C_RIGHT; break;
case K_RIGHT: c = K_LEFT; break;
case K_S_RIGHT: c = K_S_LEFT; break;
case K_C_RIGHT: c = K_C_LEFT; break;
}
#endif
#ifdef FEAT_VISUAL
/*
* If 'keymodel' contains "startsel", may start selection. If it
* does, a CTRL-O and c will be stuffed, we need to get these
* characters.
*/
if (ins_start_select(c))
continue;
#endif
/*
* The big switch to handle a character in insert mode.
*/
switch (c)
{
case ESC: /* End input mode */
if (echeck_abbr(ESC + ABBR_OFF))
break;
/*FALLTHROUGH*/
case Ctrl_C: /* End input mode */
#ifdef FEAT_CMDWIN
if (c == Ctrl_C && cmdwin_type != 0)
{
/* Close the cmdline window. */
cmdwin_result = K_IGNORE;
got_int = FALSE; /* don't stop executing autocommands et al. */
nomove = TRUE;
goto doESCkey;
}
#endif
#ifdef UNIX
do_intr:
#endif
/* when 'insertmode' set, and not halfway a mapping, don't leave
* Insert mode */
if (goto_im())
{
if (got_int)
{
(void)vgetc(); /* flush all buffers */
got_int = FALSE;
}
else
vim_beep();
break;
}
doESCkey:
/*
* This is the ONLY return from edit()!
*/
/* Always update o_lnum, so that a "CTRL-O ." that adds a line
* still puts the cursor back after the inserted text. */
if (ins_at_eol && gchar_cursor() == NUL)
o_lnum = curwin->w_cursor.lnum;
if (ins_esc(&count, cmdchar, nomove))
{
#ifdef FEAT_AUTOCMD
if (cmdchar != 'r' && cmdchar != 'v')
apply_autocmds(EVENT_INSERTLEAVE, NULL, NULL,
FALSE, curbuf);
did_cursorhold = FALSE;
#endif
return (c == Ctrl_O);
}
continue;
case Ctrl_Z: /* suspend when 'insertmode' set */
if (!p_im)
goto normalchar; /* insert CTRL-Z as normal char */
stuffReadbuff((char_u *)":st\r");
c = Ctrl_O;
/*FALLTHROUGH*/
case Ctrl_O: /* execute one command */
#ifdef FEAT_COMPL_FUNC
if (ctrl_x_mode == CTRL_X_OMNI)
goto docomplete;
#endif
if (echeck_abbr(Ctrl_O + ABBR_OFF))
break;
ins_ctrl_o();
#ifdef FEAT_VIRTUALEDIT
/* don't move the cursor left when 'virtualedit' has "onemore". */
if (ve_flags & VE_ONEMORE)
{
ins_at_eol = FALSE;
nomove = TRUE;
}
#endif
count = 0;
goto doESCkey;
case K_INS: /* toggle insert/replace mode */
case K_KINS:
ins_insert(replaceState);
break;
case K_SELECT: /* end of Select mode mapping - ignore */
break;
#ifdef FEAT_SNIFF
case K_SNIFF: /* Sniff command received */
stuffcharReadbuff(K_SNIFF);
goto doESCkey;
#endif
case K_HELP: /* Help key works like <ESC> <Help> */
case K_F1:
case K_XF1:
stuffcharReadbuff(K_HELP);
if (p_im)
need_start_insertmode = TRUE;
goto doESCkey;
#ifdef FEAT_NETBEANS_INTG
case K_F21: /* NetBeans command */
++no_mapping; /* don't map the next key hits */
i = safe_vgetc();
--no_mapping;
netbeans_keycommand(i);
break;
#endif
case K_ZERO: /* Insert the previously inserted text. */
case NUL:
case Ctrl_A:
/* For ^@ the trailing ESC will end the insert, unless there is an
* error. */
if (stuff_inserted(NUL, 1L, (c == Ctrl_A)) == FAIL
&& c != Ctrl_A && !p_im)
goto doESCkey; /* quit insert mode */
inserted_space = FALSE;
break;
case Ctrl_R: /* insert the contents of a register */
ins_reg();
auto_format(FALSE, TRUE);
inserted_space = FALSE;
break;
case Ctrl_G: /* commands starting with CTRL-G */
ins_ctrl_g();
break;
case Ctrl_HAT: /* switch input mode and/or langmap */
ins_ctrl_hat();
break;
#ifdef FEAT_RIGHTLEFT
case Ctrl__: /* switch between languages */
if (!p_ari)
goto normalchar;
ins_ctrl_();
break;
#endif
case Ctrl_D: /* Make indent one shiftwidth smaller. */
#if defined(FEAT_INS_EXPAND) && defined(FEAT_FIND_ID)
if (ctrl_x_mode == CTRL_X_PATH_DEFINES)
goto docomplete;
#endif
/* FALLTHROUGH */
case Ctrl_T: /* Make indent one shiftwidth greater. */
# ifdef FEAT_INS_EXPAND
if (c == Ctrl_T && ctrl_x_mode == CTRL_X_THESAURUS)
{
if (has_compl_option(FALSE))
goto docomplete;
break;
}
# endif
ins_shift(c, lastc);
auto_format(FALSE, TRUE);
inserted_space = FALSE;
break;
case K_DEL: /* delete character under the cursor */
case K_KDEL:
ins_del();
auto_format(FALSE, TRUE);
break;
case K_BS: /* delete character before the cursor */
case Ctrl_H:
did_backspace = ins_bs(c, BACKSPACE_CHAR, &inserted_space);
auto_format(FALSE, TRUE);
break;
case Ctrl_W: /* delete word before the cursor */
did_backspace = ins_bs(c, BACKSPACE_WORD, &inserted_space);
auto_format(FALSE, TRUE);
break;
case Ctrl_U: /* delete all inserted text in current line */
# ifdef FEAT_COMPL_FUNC
/* CTRL-X CTRL-U completes with 'completefunc'. */
if (ctrl_x_mode == CTRL_X_FUNCTION)
goto docomplete;
# endif
did_backspace = ins_bs(c, BACKSPACE_LINE, &inserted_space);
auto_format(FALSE, TRUE);
inserted_space = FALSE;
break;
#ifdef FEAT_MOUSE
case K_LEFTMOUSE: /* mouse keys */
case K_LEFTMOUSE_NM:
case K_LEFTDRAG:
case K_LEFTRELEASE:
case K_LEFTRELEASE_NM:
case K_MIDDLEMOUSE:
case K_MIDDLEDRAG:
case K_MIDDLERELEASE:
case K_RIGHTMOUSE:
case K_RIGHTDRAG:
case K_RIGHTRELEASE:
case K_X1MOUSE:
case K_X1DRAG:
case K_X1RELEASE:
case K_X2MOUSE:
case K_X2DRAG:
case K_X2RELEASE:
ins_mouse(c);
break;
case K_MOUSEDOWN: /* Default action for scroll wheel up: scroll up */
ins_mousescroll(FALSE);
break;
case K_MOUSEUP: /* Default action for scroll wheel down: scroll down */
ins_mousescroll(TRUE);
break;
#endif
#ifdef FEAT_GUI_TABLINE
case K_TABLINE:
case K_TABMENU:
ins_tabline(c);
break;
#endif
case K_IGNORE: /* Something mapped to nothing */
break;
#ifdef FEAT_AUTOCMD
case K_CURSORHOLD: /* Didn't type something for a while. */
apply_autocmds(EVENT_CURSORHOLDI, NULL, NULL, FALSE, curbuf);
did_cursorhold = TRUE;
break;
#endif
#ifdef FEAT_GUI_W32
/* On Win32 ignore <M-F4>, we get it when closing the window was
* cancelled. */
case K_F4:
if (mod_mask != MOD_MASK_ALT)
goto normalchar;
break;
#endif
#ifdef FEAT_GUI
case K_VER_SCROLLBAR:
ins_scroll();
break;
case K_HOR_SCROLLBAR:
ins_horscroll();
break;
#endif
case K_HOME: /* <Home> */
case K_KHOME:
case K_S_HOME:
case K_C_HOME:
ins_home(c);
break;
case K_END: /* <End> */
case K_KEND:
case K_S_END:
case K_C_END:
ins_end(c);
break;
case K_LEFT: /* <Left> */
if (mod_mask & (MOD_MASK_SHIFT|MOD_MASK_CTRL))
ins_s_left();
else
ins_left();
break;
case K_S_LEFT: /* <S-Left> */
case K_C_LEFT:
ins_s_left();
break;
case K_RIGHT: /* <Right> */
if (mod_mask & (MOD_MASK_SHIFT|MOD_MASK_CTRL))
ins_s_right();
else
ins_right();
break;
case K_S_RIGHT: /* <S-Right> */
case K_C_RIGHT:
ins_s_right();
break;
case K_UP: /* <Up> */
#ifdef FEAT_INS_EXPAND
if (pum_visible())
goto docomplete;
#endif
if (mod_mask & MOD_MASK_SHIFT)
ins_pageup();
else
ins_up(FALSE);
break;
case K_S_UP: /* <S-Up> */
case K_PAGEUP:
case K_KPAGEUP:
#ifdef FEAT_INS_EXPAND
if (pum_visible())
goto docomplete;
#endif
ins_pageup();
break;
case K_DOWN: /* <Down> */
#ifdef FEAT_INS_EXPAND
if (pum_visible())
goto docomplete;
#endif
if (mod_mask & MOD_MASK_SHIFT)
ins_pagedown();
else
ins_down(FALSE);
break;
case K_S_DOWN: /* <S-Down> */
case K_PAGEDOWN:
case K_KPAGEDOWN:
#ifdef FEAT_INS_EXPAND
if (pum_visible())
goto docomplete;
#endif
ins_pagedown();
break;
#ifdef FEAT_DND
case K_DROP: /* drag-n-drop event */
ins_drop();
break;
#endif
case K_S_TAB: /* When not mapped, use like a normal TAB */
c = TAB;
/* FALLTHROUGH */
case TAB: /* TAB or Complete patterns along path */
#if defined(FEAT_INS_EXPAND) && defined(FEAT_FIND_ID)
if (ctrl_x_mode == CTRL_X_PATH_PATTERNS)
goto docomplete;
#endif
inserted_space = FALSE;
if (ins_tab())
goto normalchar; /* insert TAB as a normal char */
auto_format(FALSE, TRUE);
break;
case K_KENTER: /* <Enter> */
c = CAR;
/* FALLTHROUGH */
case CAR:
case NL:
#if defined(FEAT_WINDOWS) && defined(FEAT_QUICKFIX)
/* In a quickfix window a <CR> jumps to the error under the
* cursor. */
if (bt_quickfix(curbuf) && c == CAR)
{
if (curwin->w_llist_ref == NULL) /* quickfix window */
do_cmdline_cmd((char_u *)".cc");
else /* location list window */
do_cmdline_cmd((char_u *)".ll");
break;
}
#endif
#ifdef FEAT_CMDWIN
if (cmdwin_type != 0)
{
/* Execute the command in the cmdline window. */
cmdwin_result = CAR;
goto doESCkey;
}
#endif
if (ins_eol(c) && !p_im)
goto doESCkey; /* out of memory */
auto_format(FALSE, FALSE);
inserted_space = FALSE;
break;
#if defined(FEAT_DIGRAPHS) || defined (FEAT_INS_EXPAND)
case Ctrl_K: /* digraph or keyword completion */
# ifdef FEAT_INS_EXPAND
if (ctrl_x_mode == CTRL_X_DICTIONARY)
{
if (has_compl_option(TRUE))
goto docomplete;
break;
}
# endif
# ifdef FEAT_DIGRAPHS
c = ins_digraph();
if (c == NUL)
break;
# endif
goto normalchar;
#endif
#ifdef FEAT_INS_EXPAND
case Ctrl_X: /* Enter CTRL-X mode */
ins_ctrl_x();
break;
case Ctrl_RSB: /* Tag name completion after ^X */
if (ctrl_x_mode != CTRL_X_TAGS)
goto normalchar;
goto docomplete;
case Ctrl_F: /* File name completion after ^X */
if (ctrl_x_mode != CTRL_X_FILES)
goto normalchar;
goto docomplete;
case 's': /* Spelling completion after ^X */
case Ctrl_S:
if (ctrl_x_mode != CTRL_X_SPELL)
goto normalchar;
goto docomplete;
#endif
case Ctrl_L: /* Whole line completion after ^X */
#ifdef FEAT_INS_EXPAND
if (ctrl_x_mode != CTRL_X_WHOLE_LINE)
#endif
{
/* CTRL-L with 'insertmode' set: Leave Insert mode */
if (p_im)
{
if (echeck_abbr(Ctrl_L + ABBR_OFF))
break;
goto doESCkey;
}
goto normalchar;
}
#ifdef FEAT_INS_EXPAND
/* FALLTHROUGH */
case Ctrl_P: /* Do previous/next pattern completion */
case Ctrl_N:
/* if 'complete' is empty then plain ^P is no longer special,
* but it is under other ^X modes */
if (*curbuf->b_p_cpt == NUL
&& ctrl_x_mode != 0
&& !(compl_cont_status & CONT_LOCAL))
goto normalchar;
docomplete:
if (ins_complete(c) == FAIL)
compl_cont_status = 0;
break;
#endif /* FEAT_INS_EXPAND */
case Ctrl_Y: /* copy from previous line or scroll down */
case Ctrl_E: /* copy from next line or scroll up */
c = ins_ctrl_ey(c);
break;
default:
#ifdef UNIX
if (c == intr_char) /* special interrupt char */
goto do_intr;
#endif
/*
* Insert a nomal character.
*/
normalchar:
#ifdef FEAT_SMARTINDENT
/* Try to perform smart-indenting. */
ins_try_si(c);
#endif
if (c == ' ')
{
inserted_space = TRUE;
#ifdef FEAT_CINDENT
if (inindent(0))
can_cindent = FALSE;
#endif
if (Insstart_blank_vcol == MAXCOL
&& curwin->w_cursor.lnum == Insstart.lnum)
Insstart_blank_vcol = get_nolist_virtcol();
}
if (vim_iswordc(c) || !echeck_abbr(
#ifdef FEAT_MBYTE
/* Add ABBR_OFF for characters above 0x100, this is
* what check_abbr() expects. */
(has_mbyte && c >= 0x100) ? (c + ABBR_OFF) :
#endif
c))
{
insert_special(c, FALSE, FALSE);
#ifdef FEAT_RIGHTLEFT
revins_legal++;
revins_chars++;
#endif
}
auto_format(FALSE, TRUE);
#ifdef FEAT_FOLDING
/* When inserting a character the cursor line must never be in a
* closed fold. */
foldOpenCursor();
#endif
break;
} /* end of switch (c) */
#ifdef FEAT_AUTOCMD
/* If typed something may trigger CursorHoldI again. */
if (c != K_CURSORHOLD)
did_cursorhold = FALSE;
#endif
/* If the cursor was moved we didn't just insert a space */
if (arrow_used)
inserted_space = FALSE;
#ifdef FEAT_CINDENT
if (can_cindent && cindent_on()
# ifdef FEAT_INS_EXPAND
&& ctrl_x_mode == 0
# endif
)
{
force_cindent:
/*
* Indent now if a key was typed that is in 'cinkeys'.
*/
if (in_cinkeys(c, ' ', line_is_white))
{
if (stop_arrow() == OK)
/* re-indent the current line */
do_c_expr_indent();
}
}
#endif /* FEAT_CINDENT */
} /* for (;;) */
/* NOTREACHED */
}
/*
* Redraw for Insert mode.
* This is postponed until getting the next character to make '$' in the 'cpo'
* option work correctly.
* Only redraw when there are no characters available. This speeds up
* inserting sequences of characters (e.g., for CTRL-R).
*/
/*ARGSUSED*/
static void
ins_redraw(ready)
int ready; /* not busy with something */
{
if (!char_avail())
{
#ifdef FEAT_AUTOCMD
/* Trigger CursorMoved if the cursor moved. Not when the popup menu is
* visible, the command might delete it. */
if (ready && has_cursormovedI()
&& !equalpos(last_cursormoved, curwin->w_cursor)
# ifdef FEAT_INS_EXPAND
&& !pum_visible()
# endif
)
{
apply_autocmds(EVENT_CURSORMOVEDI, NULL, NULL, FALSE, curbuf);
last_cursormoved = curwin->w_cursor;
}
#endif
if (must_redraw)
update_screen(0);
else if (clear_cmdline || redraw_cmdline)
showmode(); /* clear cmdline and show mode */
showruler(FALSE);
setcursor();
emsg_on_display = FALSE; /* may remove error message now */
}
}
/*
* Handle a CTRL-V or CTRL-Q typed in Insert mode.
*/
static void
ins_ctrl_v()
{
int c;
/* may need to redraw when no more chars available now */
ins_redraw(FALSE);
if (redrawing() && !char_avail())
edit_putchar('^', TRUE);
AppendToRedobuff((char_u *)CTRL_V_STR); /* CTRL-V */
#ifdef FEAT_CMDL_INFO
add_to_showcmd_c(Ctrl_V);
#endif
c = get_literal();
#ifdef FEAT_CMDL_INFO
clear_showcmd();
#endif
insert_special(c, FALSE, TRUE);
#ifdef FEAT_RIGHTLEFT
revins_chars++;
revins_legal++;
#endif
}
/*
* Put a character directly onto the screen. It's not stored in a buffer.
* Used while handling CTRL-K, CTRL-V, etc. in Insert mode.
*/
static int pc_status;
#define PC_STATUS_UNSET 0 /* pc_bytes was not set */
#define PC_STATUS_RIGHT 1 /* right halve of double-wide char */
#define PC_STATUS_LEFT 2 /* left halve of double-wide char */
#define PC_STATUS_SET 3 /* pc_bytes was filled */
#ifdef FEAT_MBYTE
static char_u pc_bytes[MB_MAXBYTES + 1]; /* saved bytes */
#else
static char_u pc_bytes[2]; /* saved bytes */
#endif
static int pc_attr;
static int pc_row;
static int pc_col;
void
edit_putchar(c, highlight)
int c;
int highlight;
{
int attr;
if (ScreenLines != NULL)
{
update_topline(); /* just in case w_topline isn't valid */
validate_cursor();
if (highlight)
attr = hl_attr(HLF_8);
else
attr = 0;
pc_row = W_WINROW(curwin) + curwin->w_wrow;
pc_col = W_WINCOL(curwin);
#if defined(FEAT_RIGHTLEFT) || defined(FEAT_MBYTE)
pc_status = PC_STATUS_UNSET;
#endif
#ifdef FEAT_RIGHTLEFT
if (curwin->w_p_rl)
{
pc_col += W_WIDTH(curwin) - 1 - curwin->w_wcol;
# ifdef FEAT_MBYTE
if (has_mbyte)
{
int fix_col = mb_fix_col(pc_col, pc_row);
if (fix_col != pc_col)
{
screen_putchar(' ', pc_row, fix_col, attr);
--curwin->w_wcol;
pc_status = PC_STATUS_RIGHT;
}
}
# endif
}
else
#endif
{
pc_col += curwin->w_wcol;
#ifdef FEAT_MBYTE
if (mb_lefthalve(pc_row, pc_col))
pc_status = PC_STATUS_LEFT;
#endif
}
/* save the character to be able to put it back */
#if defined(FEAT_RIGHTLEFT) || defined(FEAT_MBYTE)
if (pc_status == PC_STATUS_UNSET)
#endif
{
screen_getbytes(pc_row, pc_col, pc_bytes, &pc_attr);
pc_status = PC_STATUS_SET;
}
screen_putchar(c, pc_row, pc_col, attr);
}
}
/*
* Undo the previous edit_putchar().
*/
void
edit_unputchar()
{
if (pc_status != PC_STATUS_UNSET && pc_row >= msg_scrolled)
{
#if defined(FEAT_MBYTE)
if (pc_status == PC_STATUS_RIGHT)
++curwin->w_wcol;
if (pc_status == PC_STATUS_RIGHT || pc_status == PC_STATUS_LEFT)
redrawWinline(curwin->w_cursor.lnum, FALSE);
else
#endif
screen_puts(pc_bytes, pc_row - msg_scrolled, pc_col, pc_attr);
}
}
/*
* Called when p_dollar is set: display a '$' at the end of the changed text
* Only works when cursor is in the line that changes.
*/
void
display_dollar(col)
colnr_T col;
{
colnr_T save_col;
if (!redrawing())
return;
cursor_off();
save_col = curwin->w_cursor.col;
curwin->w_cursor.col = col;
#ifdef FEAT_MBYTE
if (has_mbyte)
{
char_u *p;
/* If on the last byte of a multi-byte move to the first byte. */
p = ml_get_curline();
curwin->w_cursor.col -= (*mb_head_off)(p, p + col);
}
#endif
curs_columns(FALSE); /* recompute w_wrow and w_wcol */
if (curwin->w_wcol < W_WIDTH(curwin))
{
edit_putchar('$', FALSE);
dollar_vcol = curwin->w_virtcol;
}
curwin->w_cursor.col = save_col;
}
/*
* Call this function before moving the cursor from the normal insert position
* in insert mode.
*/
static void
undisplay_dollar()
{
if (dollar_vcol)
{
dollar_vcol = 0;
redrawWinline(curwin->w_cursor.lnum, FALSE);
}
}
/*
* Insert an indent (for <Tab> or CTRL-T) or delete an indent (for CTRL-D).
* Keep the cursor on the same character.
* type == INDENT_INC increase indent (for CTRL-T or <Tab>)
* type == INDENT_DEC decrease indent (for CTRL-D)
* type == INDENT_SET set indent to "amount"
* if round is TRUE, round the indent to 'shiftwidth' (only with _INC and _Dec).
*/
void
change_indent(type, amount, round, replaced)
int type;
int amount;
int round;
int replaced; /* replaced character, put on replace stack */
{
int vcol;
int last_vcol;
int insstart_less; /* reduction for Insstart.col */
int new_cursor_col;
int i;
char_u *ptr;
int save_p_list;
int start_col;
colnr_T vc;
#ifdef FEAT_VREPLACE
colnr_T orig_col = 0; /* init for GCC */
char_u *new_line, *orig_line = NULL; /* init for GCC */
/* VREPLACE mode needs to know what the line was like before changing */
if (State & VREPLACE_FLAG)
{
orig_line = vim_strsave(ml_get_curline()); /* Deal with NULL below */
orig_col = curwin->w_cursor.col;
}
#endif
/* for the following tricks we don't want list mode */
save_p_list = curwin->w_p_list;
curwin->w_p_list = FALSE;
vc = getvcol_nolist(&curwin->w_cursor);
vcol = vc;
/*
* For Replace mode we need to fix the replace stack later, which is only
* possible when the cursor is in the indent. Remember the number of
* characters before the cursor if it's possible.
*/
start_col = curwin->w_cursor.col;
/* determine offset from first non-blank */
new_cursor_col = curwin->w_cursor.col;
beginline(BL_WHITE);
new_cursor_col -= curwin->w_cursor.col;
insstart_less = curwin->w_cursor.col;
/*
* If the cursor is in the indent, compute how many screen columns the
* cursor is to the left of the first non-blank.
*/
if (new_cursor_col < 0)
vcol = get_indent() - vcol;
if (new_cursor_col > 0) /* can't fix replace stack */
start_col = -1;
/*
* Set the new indent. The cursor will be put on the first non-blank.
*/
if (type == INDENT_SET)
(void)set_indent(amount, SIN_CHANGED);
else
{
#ifdef FEAT_VREPLACE
int save_State = State;
/* Avoid being called recursively. */
if (State & VREPLACE_FLAG)
State = INSERT;
#endif
shift_line(type == INDENT_DEC, round, 1);
#ifdef FEAT_VREPLACE
State = save_State;
#endif
}
insstart_less -= curwin->w_cursor.col;
/*
* Try to put cursor on same character.
* If the cursor is at or after the first non-blank in the line,
* compute the cursor column relative to the column of the first
* non-blank character.
* If we are not in insert mode, leave the cursor on the first non-blank.
* If the cursor is before the first non-blank, position it relative
* to the first non-blank, counted in screen columns.
*/
if (new_cursor_col >= 0)
{
/*
* When changing the indent while the cursor is touching it, reset
* Insstart_col to 0.
*/
if (new_cursor_col == 0)
insstart_less = MAXCOL;
new_cursor_col += curwin->w_cursor.col;
}
else if (!(State & INSERT))
new_cursor_col = curwin->w_cursor.col;
else
{
/*
* Compute the screen column where the cursor should be.
*/
vcol = get_indent() - vcol;
curwin->w_virtcol = (vcol < 0) ? 0 : vcol;
/*
* Advance the cursor until we reach the right screen column.
*/
vcol = last_vcol = 0;
new_cursor_col = -1;
ptr = ml_get_curline();
while (vcol <= (int)curwin->w_virtcol)
{
last_vcol = vcol;
#ifdef FEAT_MBYTE
if (has_mbyte && new_cursor_col >= 0)
new_cursor_col += (*mb_ptr2len)(ptr + new_cursor_col);
else
#endif
++new_cursor_col;
vcol += lbr_chartabsize(ptr + new_cursor_col, (colnr_T)vcol);
}
vcol = last_vcol;
/*
* May need to insert spaces to be able to position the cursor on
* the right screen column.
*/
if (vcol != (int)curwin->w_virtcol)
{
curwin->w_cursor.col = new_cursor_col;
i = (int)curwin->w_virtcol - vcol;
ptr = alloc(i + 1);
if (ptr != NULL)
{
new_cursor_col += i;
ptr[i] = NUL;
while (--i >= 0)
ptr[i] = ' ';
ins_str(ptr);
vim_free(ptr);
}
}
/*
* When changing the indent while the cursor is in it, reset
* Insstart_col to 0.
*/
insstart_less = MAXCOL;
}
curwin->w_p_list = save_p_list;
if (new_cursor_col <= 0)
curwin->w_cursor.col = 0;
else
curwin->w_cursor.col = new_cursor_col;
curwin->w_set_curswant = TRUE;
changed_cline_bef_curs();
/*
* May have to adjust the start of the insert.
*/
if (State & INSERT)
{
if (curwin->w_cursor.lnum == Insstart.lnum && Insstart.col != 0)
{
if ((int)Insstart.col <= insstart_less)
Insstart.col = 0;
else
Insstart.col -= insstart_less;
}
if ((int)ai_col <= insstart_less)
ai_col = 0;
else
ai_col -= insstart_less;
}
/*
* For REPLACE mode, may have to fix the replace stack, if it's possible.
* If the number of characters before the cursor decreased, need to pop a
* few characters from the replace stack.
* If the number of characters before the cursor increased, need to push a
* few NULs onto the replace stack.
*/
if (REPLACE_NORMAL(State) && start_col >= 0)
{
while (start_col > (int)curwin->w_cursor.col)
{
replace_join(0); /* remove a NUL from the replace stack */
--start_col;
}
while (start_col < (int)curwin->w_cursor.col || replaced)
{
replace_push(NUL);
if (replaced)
{
replace_push(replaced);
replaced = NUL;
}
++start_col;
}
}
#ifdef FEAT_VREPLACE
/*
* For VREPLACE mode, we also have to fix the replace stack. In this case
* it is always possible because we backspace over the whole line and then
* put it back again the way we wanted it.
*/
if (State & VREPLACE_FLAG)
{
/* If orig_line didn't allocate, just return. At least we did the job,
* even if you can't backspace. */
if (orig_line == NULL)
return;
/* Save new line */
new_line = vim_strsave(ml_get_curline());
if (new_line == NULL)
return;
/* We only put back the new line up to the cursor */
new_line[curwin->w_cursor.col] = NUL;
/* Put back original line */
ml_replace(curwin->w_cursor.lnum, orig_line, FALSE);
curwin->w_cursor.col = orig_col;
/* Backspace from cursor to start of line */
backspace_until_column(0);
/* Insert new stuff into line again */
ins_bytes(new_line);
vim_free(new_line);
}
#endif
}
/*
* Truncate the space at the end of a line. This is to be used only in an
* insert mode. It handles fixing the replace stack for REPLACE and VREPLACE
* modes.
*/
void
truncate_spaces(line)
char_u *line;
{
int i;
/* find start of trailing white space */
for (i = (int)STRLEN(line) - 1; i >= 0 && vim_iswhite(line[i]); i--)
{
if (State & REPLACE_FLAG)
replace_join(0); /* remove a NUL from the replace stack */
}
line[i + 1] = NUL;
}
#if defined(FEAT_VREPLACE) || defined(FEAT_INS_EXPAND) \
|| defined(FEAT_COMMENTS) || defined(PROTO)
/*
* Backspace the cursor until the given column. Handles REPLACE and VREPLACE
* modes correctly. May also be used when not in insert mode at all.
*/
void
backspace_until_column(col)
int col;
{
while ((int)curwin->w_cursor.col > col)
{
curwin->w_cursor.col--;
if (State & REPLACE_FLAG)
replace_do_bs();
else
(void)del_char(FALSE);
}
}
#endif
#if defined(FEAT_INS_EXPAND) || defined(PROTO)
/*
* CTRL-X pressed in Insert mode.
*/
static void
ins_ctrl_x()
{
/* CTRL-X after CTRL-X CTRL-V doesn't do anything, so that CTRL-X
* CTRL-V works like CTRL-N */
if (ctrl_x_mode != CTRL_X_CMDLINE)
{
/* if the next ^X<> won't ADD nothing, then reset
* compl_cont_status */
if (compl_cont_status & CONT_N_ADDS)
compl_cont_status |= CONT_INTRPT;
else
compl_cont_status = 0;
/* We're not sure which CTRL-X mode it will be yet */
ctrl_x_mode = CTRL_X_NOT_DEFINED_YET;
edit_submode = (char_u *)_(CTRL_X_MSG(ctrl_x_mode));
edit_submode_pre = NULL;
showmode();
}
}
/*
* Return TRUE if the 'dict' or 'tsr' option can be used.
*/
static int
has_compl_option(dict_opt)
int dict_opt;
{
if (dict_opt ? (*curbuf->b_p_dict == NUL && *p_dict == NUL
# ifdef FEAT_SPELL
&& !curwin->w_p_spell
# endif
)
: (*curbuf->b_p_tsr == NUL && *p_tsr == NUL))
{
ctrl_x_mode = 0;
edit_submode = NULL;
msg_attr(dict_opt ? (char_u *)_("'dictionary' option is empty")
: (char_u *)_("'thesaurus' option is empty"),
hl_attr(HLF_E));
if (emsg_silent == 0)
{
vim_beep();
setcursor();
out_flush();
ui_delay(2000L, FALSE);
}
return FALSE;
}
return TRUE;
}
/*
* Is the character 'c' a valid key to go to or keep us in CTRL-X mode?
* This depends on the current mode.
*/
int
vim_is_ctrl_x_key(c)
int c;
{
/* Always allow ^R - let it's results then be checked */
if (c == Ctrl_R)
return TRUE;
/* Accept <PageUp> and <PageDown> if the popup menu is visible. */
if (ins_compl_pum_key(c))
return TRUE;
switch (ctrl_x_mode)
{
case 0: /* Not in any CTRL-X mode */
return (c == Ctrl_N || c == Ctrl_P || c == Ctrl_X);
case CTRL_X_NOT_DEFINED_YET:
return ( c == Ctrl_X || c == Ctrl_Y || c == Ctrl_E
|| c == Ctrl_L || c == Ctrl_F || c == Ctrl_RSB
|| c == Ctrl_I || c == Ctrl_D || c == Ctrl_P
|| c == Ctrl_N || c == Ctrl_T || c == Ctrl_V
|| c == Ctrl_Q || c == Ctrl_U || c == Ctrl_O
|| c == Ctrl_S || c == 's');
case CTRL_X_SCROLL:
return (c == Ctrl_Y || c == Ctrl_E);
case CTRL_X_WHOLE_LINE:
return (c == Ctrl_L || c == Ctrl_P || c == Ctrl_N);
case CTRL_X_FILES:
return (c == Ctrl_F || c == Ctrl_P || c == Ctrl_N);
case CTRL_X_DICTIONARY:
return (c == Ctrl_K || c == Ctrl_P || c == Ctrl_N);
case CTRL_X_THESAURUS:
return (c == Ctrl_T || c == Ctrl_P || c == Ctrl_N);
case CTRL_X_TAGS:
return (c == Ctrl_RSB || c == Ctrl_P || c == Ctrl_N);
#ifdef FEAT_FIND_ID
case CTRL_X_PATH_PATTERNS:
return (c == Ctrl_P || c == Ctrl_N);
case CTRL_X_PATH_DEFINES:
return (c == Ctrl_D || c == Ctrl_P || c == Ctrl_N);
#endif
case CTRL_X_CMDLINE:
return (c == Ctrl_V || c == Ctrl_Q || c == Ctrl_P || c == Ctrl_N
|| c == Ctrl_X);
#ifdef FEAT_COMPL_FUNC
case CTRL_X_FUNCTION:
return (c == Ctrl_U || c == Ctrl_P || c == Ctrl_N);
case CTRL_X_OMNI:
return (c == Ctrl_O || c == Ctrl_P || c == Ctrl_N);
#endif
case CTRL_X_SPELL:
return (c == Ctrl_S || c == Ctrl_P || c == Ctrl_N);
}
EMSG(_(e_internal));
return FALSE;
}
/*
* This is like ins_compl_add(), but if 'ic' and 'inf' are set, then the
* case of the originally typed text is used, and the case of the completed
* text is inferred, ie this tries to work out what case you probably wanted
* the rest of the word to be in -- webb
* TODO: make this work for multi-byte characters.
*/
int
ins_compl_add_infercase(str, len, icase, fname, dir, flags)
char_u *str;
int len;
int icase;
char_u *fname;
int dir;
int flags;
{
int has_lower = FALSE;
int was_letter = FALSE;
int idx;
if (p_ic && curbuf->b_p_inf && len < IOSIZE)
{
/* Infer case of completed part -- webb */
/* Use IObuff, str would change text in buffer! */
vim_strncpy(IObuff, str, len);
/* Rule 1: Were any chars converted to lower? */
for (idx = 0; idx < compl_length; ++idx)
{
if (islower(compl_orig_text[idx]))
{
has_lower = TRUE;
if (isupper(IObuff[idx]))
{
/* Rule 1 is satisfied */
for (idx = compl_length; idx < len; ++idx)
IObuff[idx] = TOLOWER_LOC(IObuff[idx]);
break;
}
}
}
/*
* Rule 2: No lower case, 2nd consecutive letter converted to
* upper case.
*/
if (!has_lower)
{
for (idx = 0; idx < compl_length; ++idx)
{
if (was_letter && isupper(compl_orig_text[idx])
&& islower(IObuff[idx]))
{
/* Rule 2 is satisfied */
for (idx = compl_length; idx < len; ++idx)
IObuff[idx] = TOUPPER_LOC(IObuff[idx]);
break;
}
was_letter = isalpha(compl_orig_text[idx]);
}
}
/* Copy the original case of the part we typed */
STRNCPY(IObuff, compl_orig_text, compl_length);
return ins_compl_add(IObuff, len, icase, fname, NULL, dir,
flags, FALSE);
}
return ins_compl_add(str, len, icase, fname, NULL, dir, flags, FALSE);
}
/*
* Add a match to the list of matches.
* If the given string is already in the list of completions, then return
* NOTDONE, otherwise add it to the list and return OK. If there is an error,
* maybe because alloc() returns NULL, then FAIL is returned.
*/
static int
ins_compl_add(str, len, icase, fname, cptext, cdir, flags, adup)
char_u *str;
int len;
int icase;
char_u *fname;
char_u **cptext; /* extra text for popup menu or NULL */
int cdir;
int flags;
int adup; /* accept duplicate match */
{
compl_T *match;
int dir = (cdir == 0 ? compl_direction : cdir);
ui_breakcheck();
if (got_int)
return FAIL;
if (len < 0)
len = (int)STRLEN(str);
/*
* If the same match is already present, don't add it.
*/
if (compl_first_match != NULL && !adup)
{
match = compl_first_match;
do
{
if ( !(match->cp_flags & ORIGINAL_TEXT)
&& STRNCMP(match->cp_str, str, len) == 0
&& match->cp_str[len] == NUL)
return NOTDONE;
match = match->cp_next;
} while (match != NULL && match != compl_first_match);
}
/* Remove any popup menu before changing the list of matches. */
ins_compl_del_pum();
/*
* Allocate a new match structure.
* Copy the values to the new match structure.
*/
match = (compl_T *)alloc_clear((unsigned)sizeof(compl_T));
if (match == NULL)
return FAIL;
match->cp_number = -1;
if (flags & ORIGINAL_TEXT)
match->cp_number = 0;
if ((match->cp_str = vim_strnsave(str, len)) == NULL)
{
vim_free(match);
return FAIL;
}
match->cp_icase = icase;
/* match-fname is:
* - compl_curr_match->cp_fname if it is a string equal to fname.
* - a copy of fname, FREE_FNAME is set to free later THE allocated mem.
* - NULL otherwise. --Acevedo */
if (fname != NULL
&& compl_curr_match != NULL
&& compl_curr_match->cp_fname != NULL
&& STRCMP(fname, compl_curr_match->cp_fname) == 0)
match->cp_fname = compl_curr_match->cp_fname;
else if (fname != NULL)
{
match->cp_fname = vim_strsave(fname);
flags |= FREE_FNAME;
}
else
match->cp_fname = NULL;
match->cp_flags = flags;
if (cptext != NULL)
{
int i;
for (i = 0; i < CPT_COUNT; ++i)
if (cptext[i] != NULL && *cptext[i] != NUL)
match->cp_text[i] = vim_strsave(cptext[i]);
}
/*
* Link the new match structure in the list of matches.
*/
if (compl_first_match == NULL)
match->cp_next = match->cp_prev = NULL;
else if (dir == FORWARD)
{
match->cp_next = compl_curr_match->cp_next;
match->cp_prev = compl_curr_match;
}
else /* BACKWARD */
{
match->cp_next = compl_curr_match;
match->cp_prev = compl_curr_match->cp_prev;
}
if (match->cp_next)
match->cp_next->cp_prev = match;
if (match->cp_prev)
match->cp_prev->cp_next = match;
else /* if there's nothing before, it is the first match */
compl_first_match = match;
compl_curr_match = match;
/*
* Find the longest common string if still doing that.
*/
if (compl_get_longest && (flags & ORIGINAL_TEXT) == 0)
ins_compl_longest_match(match);
return OK;
}
/*
* Return TRUE if "str[len]" matches with match->cp_str, considering
* match->cp_icase.
*/
static int
ins_compl_equal(match, str, len)
compl_T *match;
char_u *str;
int len;
{
if (match->cp_icase)
return STRNICMP(match->cp_str, str, (size_t)len) == 0;
return STRNCMP(match->cp_str, str, (size_t)len) == 0;
}
/*
* Reduce the longest common string for match "match".
*/
static void
ins_compl_longest_match(match)
compl_T *match;
{
char_u *p, *s;
int c1, c2;
int had_match;
if (compl_leader == NULL)
{
/* First match, use it as a whole. */
compl_leader = vim_strsave(match->cp_str);
if (compl_leader != NULL)
{
had_match = (curwin->w_cursor.col > compl_col);
ins_compl_delete();
ins_bytes(compl_leader + curwin->w_cursor.col - compl_col);
ins_redraw(FALSE);
/* When the match isn't there (to avoid matching itself) remove it
* again after redrawing. */
if (!had_match)
ins_compl_delete();
compl_used_match = FALSE;
}
}
else
{
/* Reduce the text if this match differs from compl_leader. */
p = compl_leader;
s = match->cp_str;
while (*p != NUL)
{
#ifdef FEAT_MBYTE
if (has_mbyte)
{
c1 = mb_ptr2char(p);
c2 = mb_ptr2char(s);
}
else
#endif
{
c1 = *p;
c2 = *s;
}
if (match->cp_icase ? (MB_TOLOWER(c1) != MB_TOLOWER(c2))
: (c1 != c2))
break;
#ifdef FEAT_MBYTE
if (has_mbyte)
{
mb_ptr_adv(p);
mb_ptr_adv(s);
}
else
#endif
{
++p;
++s;
}
}
if (*p != NUL)
{
/* Leader was shortened, need to change the inserted text. */
*p = NUL;
had_match = (curwin->w_cursor.col > compl_col);
ins_compl_delete();
ins_bytes(compl_leader + curwin->w_cursor.col - compl_col);
ins_redraw(FALSE);
/* When the match isn't there (to avoid matching itself) remove it
* again after redrawing. */
if (!had_match)
ins_compl_delete();
}
compl_used_match = FALSE;
}
}
/*
* Add an array of matches to the list of matches.
* Frees matches[].
*/
static void
ins_compl_add_matches(num_matches, matches, icase)
int num_matches;
char_u **matches;
int icase;
{
int i;
int add_r = OK;
int dir = compl_direction;
for (i = 0; i < num_matches && add_r != FAIL; i++)
if ((add_r = ins_compl_add(matches[i], -1, icase,
NULL, NULL, dir, 0, FALSE)) == OK)
/* if dir was BACKWARD then honor it just once */
dir = FORWARD;
FreeWild(num_matches, matches);
}
/* Make the completion list cyclic.
* Return the number of matches (excluding the original).
*/
static int
ins_compl_make_cyclic()
{
compl_T *match;
int count = 0;
if (compl_first_match != NULL)
{
/*
* Find the end of the list.
*/
match = compl_first_match;
/* there's always an entry for the compl_orig_text, it doesn't count. */
while (match->cp_next != NULL && match->cp_next != compl_first_match)
{
match = match->cp_next;
++count;
}
match->cp_next = compl_first_match;
compl_first_match->cp_prev = match;
}
return count;
}
/*
* Start completion for the complete() function.
* "startcol" is where the matched text starts (1 is first column).
* "list" is the list of matches.
*/
void
set_completion(startcol, list)
int startcol;
list_T *list;
{
/* If already doing completions stop it. */
if (ctrl_x_mode != 0)
ins_compl_prep(' ');
ins_compl_clear();
if (stop_arrow() == FAIL)
return;
if (startcol > (int)curwin->w_cursor.col)
startcol = curwin->w_cursor.col;
compl_col = startcol;
compl_length = curwin->w_cursor.col - startcol;
/* compl_pattern doesn't need to be set */
compl_orig_text = vim_strnsave(ml_get_curline() + compl_col, compl_length);
if (compl_orig_text == NULL || ins_compl_add(compl_orig_text,
-1, p_ic, NULL, NULL, 0, ORIGINAL_TEXT, FALSE) != OK)
return;
/* Handle like dictionary completion. */
ctrl_x_mode = CTRL_X_WHOLE_LINE;
ins_compl_add_list(list);
compl_matches = ins_compl_make_cyclic();
compl_started = TRUE;
compl_used_match = TRUE;
compl_cont_status = 0;
compl_curr_match = compl_first_match;
ins_complete(Ctrl_N);
out_flush();
}
/* "compl_match_array" points the currently displayed list of entries in the
* popup menu. It is NULL when there is no popup menu. */
static pumitem_T *compl_match_array = NULL;
static int compl_match_arraysize;
/*
* Update the screen and when there is any scrolling remove the popup menu.
*/
static void
ins_compl_upd_pum()
{
int h;
if (compl_match_array != NULL)
{
h = curwin->w_cline_height;
update_screen(0);
if (h != curwin->w_cline_height)
ins_compl_del_pum();
}
}
/*
* Remove any popup menu.
*/
static void
ins_compl_del_pum()
{
if (compl_match_array != NULL)
{
pum_undisplay();
vim_free(compl_match_array);
compl_match_array = NULL;
}
}
/*
* Return TRUE if the popup menu should be displayed.
*/
static int
pum_wanted()
{
/* 'completeopt' must contain "menu" or "menuone" */
if (vim_strchr(p_cot, 'm') == NULL)
return FALSE;
/* The display looks bad on a B&W display. */
if (t_colors < 8
#ifdef FEAT_GUI
&& !gui.in_use
#endif
)
return FALSE;
return TRUE;
}
/*
* Return TRUE if there are two or more matches to be shown in the popup menu.
* One if 'completopt' contains "menuone".
*/
static int
pum_enough_matches()
{
compl_T *compl;
int i;
/* Don't display the popup menu if there are no matches or there is only
* one (ignoring the original text). */
compl = compl_first_match;
i = 0;
do
{
if (compl == NULL
|| ((compl->cp_flags & ORIGINAL_TEXT) == 0 && ++i == 2))
break;
compl = compl->cp_next;
} while (compl != compl_first_match);
if (strstr((char *)p_cot, "menuone") != NULL)
return (i >= 1);
return (i >= 2);
}
/*
* Show the popup menu for the list of matches.
* Also adjusts "compl_shown_match" to an entry that is actually displayed.
*/
void
ins_compl_show_pum()
{
compl_T *compl;
compl_T *shown_compl = NULL;
int did_find_shown_match = FALSE;
int shown_match_ok = FALSE;
int i;
int cur = -1;
colnr_T col;
int lead_len = 0;
if (!pum_wanted() || !pum_enough_matches())
return;
#if defined(FEAT_EVAL)
/* Dirty hard-coded hack: remove any matchparen highlighting. */
do_cmdline_cmd((char_u *)"if exists('g:loaded_matchparen')|3match none|endif");
#endif
/* Update the screen before drawing the popup menu over it. */
update_screen(0);
if (compl_match_array == NULL)
{
/* Need to build the popup menu list. */
compl_match_arraysize = 0;
compl = compl_first_match;
if (compl_leader != NULL)
lead_len = (int)STRLEN(compl_leader);
do
{
if ((compl->cp_flags & ORIGINAL_TEXT) == 0
&& (compl_leader == NULL
|| ins_compl_equal(compl, compl_leader, lead_len)))
++compl_match_arraysize;
compl = compl->cp_next;
} while (compl != NULL && compl != compl_first_match);
if (compl_match_arraysize == 0)
return;
compl_match_array = (pumitem_T *)alloc_clear(
(unsigned)(sizeof(pumitem_T)
* compl_match_arraysize));
if (compl_match_array != NULL)
{
/* If the current match is the original text don't find the first
* match after it, don't highlight anything. */
if (compl_shown_match->cp_flags & ORIGINAL_TEXT)
shown_match_ok = TRUE;
i = 0;
compl = compl_first_match;
do
{
if ((compl->cp_flags & ORIGINAL_TEXT) == 0
&& (compl_leader == NULL
|| ins_compl_equal(compl, compl_leader, lead_len)))
{
if (!shown_match_ok)
{
if (compl == compl_shown_match || did_find_shown_match)
{
/* This item is the shown match or this is the
* first displayed item after the shown match. */
compl_shown_match = compl;
did_find_shown_match = TRUE;
shown_match_ok = TRUE;
}
else
/* Remember this displayed match for when the
* shown match is just below it. */
shown_compl = compl;
cur = i;
}
if (compl->cp_text[CPT_ABBR] != NULL)
compl_match_array[i].pum_text =
compl->cp_text[CPT_ABBR];
else
compl_match_array[i].pum_text = compl->cp_str;
compl_match_array[i].pum_kind = compl->cp_text[CPT_KIND];
compl_match_array[i].pum_info = compl->cp_text[CPT_INFO];
if (compl->cp_text[CPT_MENU] != NULL)
compl_match_array[i++].pum_extra =
compl->cp_text[CPT_MENU];
else
compl_match_array[i++].pum_extra = compl->cp_fname;
}
if (compl == compl_shown_match)
{
did_find_shown_match = TRUE;
/* When the original text is the shown match don't set
* compl_shown_match. */
if (compl->cp_flags & ORIGINAL_TEXT)
shown_match_ok = TRUE;
if (!shown_match_ok && shown_compl != NULL)
{
/* The shown match isn't displayed, set it to the
* previously displayed match. */
compl_shown_match = shown_compl;
shown_match_ok = TRUE;
}
}
compl = compl->cp_next;
} while (compl != NULL && compl != compl_first_match);
if (!shown_match_ok) /* no displayed match at all */
cur = -1;
}
}
else
{
/* popup menu already exists, only need to find the current item.*/
for (i = 0; i < compl_match_arraysize; ++i)
if (compl_match_array[i].pum_text == compl_shown_match->cp_str
|| compl_match_array[i].pum_text
== compl_shown_match->cp_text[CPT_ABBR])
{
cur = i;
break;
}
}
if (compl_match_array != NULL)
{
/* Compute the screen column of the start of the completed text.
* Use the cursor to get all wrapping and other settings right. */
col = curwin->w_cursor.col;
curwin->w_cursor.col = compl_col;
pum_display(compl_match_array, compl_match_arraysize, cur);
curwin->w_cursor.col = col;
}
}
#define DICT_FIRST (1) /* use just first element in "dict" */
#define DICT_EXACT (2) /* "dict" is the exact name of a file */
/*
* Add any identifiers that match the given pattern in the list of dictionary
* files "dict_start" to the list of completions.
*/
static void
ins_compl_dictionaries(dict_start, pat, flags, thesaurus)
char_u *dict_start;
char_u *pat;
int flags; /* DICT_FIRST and/or DICT_EXACT */
int thesaurus; /* Thesaurus completion */
{
char_u *dict = dict_start;
char_u *ptr;
char_u *buf;
regmatch_T regmatch;
char_u **files;
int count;
int i;
int save_p_scs;
int dir = compl_direction;
if (*dict == NUL)
{
#ifdef FEAT_SPELL
/* When 'dictionary' is empty and spell checking is enabled use
* "spell". */
if (!thesaurus && curwin->w_p_spell)
dict = (char_u *)"spell";
else
#endif
return;
}
buf = alloc(LSIZE);
if (buf == NULL)
return;
regmatch.regprog = NULL; /* so that we can goto theend */
/* If 'infercase' is set, don't use 'smartcase' here */
save_p_scs = p_scs;
if (curbuf->b_p_inf)
p_scs = FALSE;
/* When invoked to match whole lines for CTRL-X CTRL-L adjust the pattern
* to only match at the start of a line. Otherwise just match the
* pattern. Also need to double backslashes. */
if (ctrl_x_mode == CTRL_X_WHOLE_LINE)
{
char_u *pat_esc = vim_strsave_escaped(pat, (char_u *)"\\");
if (pat_esc == NULL)
goto theend;
i = (int)STRLEN(pat_esc) + 10;
ptr = alloc(i);
if (ptr == NULL)
{
vim_free(pat_esc);
goto theend;
}
vim_snprintf((char *)ptr, i, "^\\s*\\zs\\V%s", pat_esc);
regmatch.regprog = vim_regcomp(ptr, RE_MAGIC);
vim_free(pat_esc);
vim_free(ptr);
}
else
{
regmatch.regprog = vim_regcomp(pat, p_magic ? RE_MAGIC : 0);
if (regmatch.regprog == NULL)
goto theend;
}
/* ignore case depends on 'ignorecase', 'smartcase' and "pat" */
regmatch.rm_ic = ignorecase(pat);
while (*dict != NUL && !got_int && !compl_interrupted)
{
/* copy one dictionary file name into buf */
if (flags == DICT_EXACT)
{
count = 1;
files = &dict;
}
else
{
/* Expand wildcards in the dictionary name, but do not allow
* backticks (for security, the 'dict' option may have been set in
* a modeline). */
copy_option_part(&dict, buf, LSIZE, ",");
# ifdef FEAT_SPELL
if (!thesaurus && STRCMP(buf, "spell") == 0)
count = -1;
else
# endif
if (vim_strchr(buf, '`') != NULL
|| expand_wildcards(1, &buf, &count, &files,
EW_FILE|EW_SILENT) != OK)
count = 0;
}
# ifdef FEAT_SPELL
if (count == -1)
{
/* Complete from active spelling. Skip "\<" in the pattern, we
* don't use it as a RE. */
if (pat[0] == '\\' && pat[1] == '<')
ptr = pat + 2;
else
ptr = pat;
spell_dump_compl(curbuf, ptr, regmatch.rm_ic, &dir, 0);
}
else
# endif
if (count > 0) /* avoid warning for using "files" uninit */
{
ins_compl_files(count, files, thesaurus, flags,
®match, buf, &dir);
if (flags != DICT_EXACT)
FreeWild(count, files);
}
if (flags != 0)
break;
}
theend:
p_scs = save_p_scs;
vim_free(regmatch.regprog);
vim_free(buf);
}
static void
ins_compl_files(count, files, thesaurus, flags, regmatch, buf, dir)
int count;
char_u **files;
int thesaurus;
int flags;
regmatch_T *regmatch;
char_u *buf;
int *dir;
{
char_u *ptr;
int i;
FILE *fp;
int add_r;
for (i = 0; i < count && !got_int && !compl_interrupted; i++)
{
fp = mch_fopen((char *)files[i], "r"); /* open dictionary file */
if (flags != DICT_EXACT)
{
vim_snprintf((char *)IObuff, IOSIZE,
_("Scanning dictionary: %s"), (char *)files[i]);
msg_trunc_attr(IObuff, TRUE, hl_attr(HLF_R));
}
if (fp != NULL)
{
/*
* Read dictionary file line by line.
* Check each line for a match.
*/
while (!got_int && !compl_interrupted
&& !vim_fgets(buf, LSIZE, fp))
{
ptr = buf;
while (vim_regexec(regmatch, buf, (colnr_T)(ptr - buf)))
{
ptr = regmatch->startp[0];
if (ctrl_x_mode == CTRL_X_WHOLE_LINE)
ptr = find_line_end(ptr);
else
ptr = find_word_end(ptr);
add_r = ins_compl_add_infercase(regmatch->startp[0],
(int)(ptr - regmatch->startp[0]),
p_ic, files[i], *dir, 0);
if (thesaurus)
{
char_u *wstart;
/*
* Add the other matches on the line
*/
while (!got_int)
{
/* Find start of the next word. Skip white
* space and punctuation. */
ptr = find_word_start(ptr);
if (*ptr == NUL || *ptr == NL)
break;
wstart = ptr;
/* Find end of the word and add it. */
#ifdef FEAT_MBYTE
if (has_mbyte)
/* Japanese words may have characters in
* different classes, only separate words
* with single-byte non-word characters. */
while (*ptr != NUL)
{
int l = (*mb_ptr2len)(ptr);
if (l < 2 && !vim_iswordc(*ptr))
break;
ptr += l;
}
else
#endif
ptr = find_word_end(ptr);
add_r = ins_compl_add_infercase(wstart,
(int)(ptr - wstart),
p_ic, files[i], *dir, 0);
}
}
if (add_r == OK)
/* if dir was BACKWARD then honor it just once */
*dir = FORWARD;
else if (add_r == FAIL)
break;
/* avoid expensive call to vim_regexec() when at end
* of line */
if (*ptr == '\n' || got_int)
break;
}
line_breakcheck();
ins_compl_check_keys(50);
}
fclose(fp);
}
}
}
/*
* Find the start of the next word.
* Returns a pointer to the first char of the word. Also stops at a NUL.
*/
char_u *
find_word_start(ptr)
char_u *ptr;
{
#ifdef FEAT_MBYTE
if (has_mbyte)
while (*ptr != NUL && *ptr != '\n' && mb_get_class(ptr) <= 1)
ptr += (*mb_ptr2len)(ptr);
else
#endif
while (*ptr != NUL && *ptr != '\n' && !vim_iswordc(*ptr))
++ptr;
return ptr;
}
/*
* Find the end of the word. Assumes it starts inside a word.
* Returns a pointer to just after the word.
*/
char_u *
find_word_end(ptr)
char_u *ptr;
{
#ifdef FEAT_MBYTE
int start_class;
if (has_mbyte)
{
start_class = mb_get_class(ptr);
if (start_class > 1)
while (*ptr != NUL)
{
ptr += (*mb_ptr2len)(ptr);
if (mb_get_class(ptr) != start_class)
break;
}
}
else
#endif
while (vim_iswordc(*ptr))
++ptr;
return ptr;
}
/*
* Find the end of the line, omitting CR and NL at the end.
* Returns a pointer to just after the line.
*/
static char_u *
find_line_end(ptr)
char_u *ptr;
{
char_u *s;
s = ptr + STRLEN(ptr);
while (s > ptr && (s[-1] == CAR || s[-1] == NL))
--s;
return s;
}
/*
* Free the list of completions
*/
static void
ins_compl_free()
{
compl_T *match;
int i;
vim_free(compl_pattern);
compl_pattern = NULL;
vim_free(compl_leader);
compl_leader = NULL;
if (compl_first_match == NULL)
return;
ins_compl_del_pum();
pum_clear();
compl_curr_match = compl_first_match;
do
{
match = compl_curr_match;
compl_curr_match = compl_curr_match->cp_next;
vim_free(match->cp_str);
/* several entries may use the same fname, free it just once. */
if (match->cp_flags & FREE_FNAME)
vim_free(match->cp_fname);
for (i = 0; i < CPT_COUNT; ++i)
vim_free(match->cp_text[i]);
vim_free(match);
} while (compl_curr_match != NULL && compl_curr_match != compl_first_match);
compl_first_match = compl_curr_match = NULL;
}
static void
ins_compl_clear()
{
compl_cont_status = 0;
compl_started = FALSE;
compl_matches = 0;
vim_free(compl_pattern);
compl_pattern = NULL;
vim_free(compl_leader);
compl_leader = NULL;
edit_submode_extra = NULL;
vim_free(compl_orig_text);
compl_orig_text = NULL;
compl_enter_selects = FALSE;
}
/*
* Return TRUE when Insert completion is active.
*/
int
ins_compl_active()
{
return compl_started;
}
/*
* Delete one character before the cursor and show the subset of the matches
* that match the word that is now before the cursor.
* Returns the character to be used, NUL if the work is done and another char
* to be got from the user.
*/
static int
ins_compl_bs()
{
char_u *line;
char_u *p;
line = ml_get_curline();
p = line + curwin->w_cursor.col;
mb_ptr_back(line, p);
/* Stop completion when the whole word was deleted. */
if ((int)(p - line) - (int)compl_col <= 0)
return K_BS;
/* Deleted more than what was used to find matches or didn't finish
* finding all matches: need to look for matches all over again. */
if (curwin->w_cursor.col <= compl_col + compl_length
|| compl_was_interrupted)
ins_compl_restart();
vim_free(compl_leader);
compl_leader = vim_strnsave(line + compl_col, (int)(p - line) - compl_col);
if (compl_leader != NULL)
{
ins_compl_new_leader();
return NUL;
}
return K_BS;
}
/*
* Called after changing "compl_leader".
* Show the popup menu with a different set of matches.
* May also search for matches again if the previous search was interrupted.
*/
static void
ins_compl_new_leader()
{
ins_compl_del_pum();
ins_compl_delete();
ins_bytes(compl_leader + curwin->w_cursor.col - compl_col);
compl_used_match = FALSE;
if (compl_started)
ins_compl_set_original_text(compl_leader);
else
{
#ifdef FEAT_SPELL
spell_bad_len = 0; /* need to redetect bad word */
#endif
/*
* Matches were cleared, need to search for them now. First display
* the changed text before the cursor. Set "compl_restarting" to
* avoid that the first match is inserted.
*/
update_screen(0);
#ifdef FEAT_GUI
if (gui.in_use)
{
/* Show the cursor after the match, not after the redrawn text. */
setcursor();
out_flush();
gui_update_cursor(FALSE, FALSE);
}
#endif
compl_restarting = TRUE;
if (ins_complete(Ctrl_N) == FAIL)
compl_cont_status = 0;
compl_restarting = FALSE;
}
#if 0 /* disabled, made CTRL-L, BS and typing char jump to original text. */
if (!compl_used_match)
{
/* Go to the original text, since none of the matches is inserted. */
if (compl_first_match->cp_prev != NULL
&& (compl_first_match->cp_prev->cp_flags & ORIGINAL_TEXT))
compl_shown_match = compl_first_match->cp_prev;
else
compl_shown_match = compl_first_match;
compl_curr_match = compl_shown_match;
compl_shows_dir = compl_direction;
}
#endif
compl_enter_selects = !compl_used_match;
/* Show the popup menu with a different set of matches. */
ins_compl_show_pum();
/* Don't let Enter select the original text when there is no popup menu. */
if (compl_match_array == NULL)
compl_enter_selects = FALSE;
}
/*
* Append one character to the match leader. May reduce the number of
* matches.
*/
static void
ins_compl_addleader(c)
int c;
{
#ifdef FEAT_MBYTE
int cc;
if (has_mbyte && (cc = (*mb_char2len)(c)) > 1)
{
char_u buf[MB_MAXBYTES + 1];
(*mb_char2bytes)(c, buf);
buf[cc] = NUL;
ins_char_bytes(buf, cc);
}
else
#endif
ins_char(c);
/* If we didn't complete finding matches we must search again. */
if (compl_was_interrupted)
ins_compl_restart();
vim_free(compl_leader);
compl_leader = vim_strnsave(ml_get_curline() + compl_col,
curwin->w_cursor.col - compl_col);
if (compl_leader != NULL)
ins_compl_new_leader();
}
/*
* Setup for finding completions again without leaving CTRL-X mode. Used when
* BS or a key was typed while still searching for matches.
*/
static void
ins_compl_restart()
{
ins_compl_free();
compl_started = FALSE;
compl_matches = 0;
compl_cont_status = 0;
compl_cont_mode = 0;
}
/*
* Set the first match, the original text.
*/
static void
ins_compl_set_original_text(str)
char_u *str;
{
char_u *p;
/* Replace the original text entry. */
if (compl_first_match->cp_flags & ORIGINAL_TEXT) /* safety check */
{
p = vim_strsave(str);
if (p != NULL)
{
vim_free(compl_first_match->cp_str);
compl_first_match->cp_str = p;
}
}
}
/*
* Append one character to the match leader. May reduce the number of
* matches.
*/
static void
ins_compl_addfrommatch()
{
char_u *p;
int len = curwin->w_cursor.col - compl_col;
int c;
compl_T *cp;
p = compl_shown_match->cp_str;
if ((int)STRLEN(p) <= len) /* the match is too short */
{
/* When still at the original match use the first entry that matches
* the leader. */
if (compl_shown_match->cp_flags & ORIGINAL_TEXT)
{
p = NULL;
for (cp = compl_shown_match->cp_next; cp != NULL
&& cp != compl_first_match; cp = cp->cp_next)
{
if (compl_leader == NULL
|| ins_compl_equal(cp, compl_leader,
(int)STRLEN(compl_leader)))
{
p = cp->cp_str;
break;
}
}
if (p == NULL || (int)STRLEN(p) <= len)
return;
}
else
return;
}
p += len;
#ifdef FEAT_MBYTE
c = mb_ptr2char(p);
#else
c = *p;
#endif
ins_compl_addleader(c);
}
/*
* Prepare for Insert mode completion, or stop it.
* Called just after typing a character in Insert mode.
* Returns TRUE when the character is not to be inserted;
*/
static int
ins_compl_prep(c)
int c;
{
char_u *ptr;
int want_cindent;
int retval = FALSE;
/* Forget any previous 'special' messages if this is actually
* a ^X mode key - bar ^R, in which case we wait to see what it gives us.
*/
if (c != Ctrl_R && vim_is_ctrl_x_key(c))
edit_submode_extra = NULL;
/* Ignore end of Select mode mapping */
if (c == K_SELECT)
return retval;
/* Set "compl_get_longest" when finding the first matches. */
if (ctrl_x_mode == CTRL_X_NOT_DEFINED_YET
|| (ctrl_x_mode == 0 && !compl_started))
{
compl_get_longest = (vim_strchr(p_cot, 'l') != NULL);
compl_used_match = TRUE;
}
if (ctrl_x_mode == CTRL_X_NOT_DEFINED_YET)
{
/*
* We have just typed CTRL-X and aren't quite sure which CTRL-X mode
* it will be yet. Now we decide.
*/
switch (c)
{
case Ctrl_E:
case Ctrl_Y:
ctrl_x_mode = CTRL_X_SCROLL;
if (!(State & REPLACE_FLAG))
edit_submode = (char_u *)_(" (insert) Scroll (^E/^Y)");
else
edit_submode = (char_u *)_(" (replace) Scroll (^E/^Y)");
edit_submode_pre = NULL;
showmode();
break;
case Ctrl_L:
ctrl_x_mode = CTRL_X_WHOLE_LINE;
break;
case Ctrl_F:
ctrl_x_mode = CTRL_X_FILES;
break;
case Ctrl_K:
ctrl_x_mode = CTRL_X_DICTIONARY;
break;
case Ctrl_R:
/* Simply allow ^R to happen without affecting ^X mode */
break;
case Ctrl_T:
ctrl_x_mode = CTRL_X_THESAURUS;
break;
#ifdef FEAT_COMPL_FUNC
case Ctrl_U:
ctrl_x_mode = CTRL_X_FUNCTION;
break;
case Ctrl_O:
ctrl_x_mode = CTRL_X_OMNI;
break;
#endif
case 's':
case Ctrl_S:
ctrl_x_mode = CTRL_X_SPELL;
#ifdef FEAT_SPELL
++emsg_off; /* Avoid getting the E756 error twice. */
spell_back_to_badword();
--emsg_off;
#endif
break;
case Ctrl_RSB:
ctrl_x_mode = CTRL_X_TAGS;
break;
#ifdef FEAT_FIND_ID
case Ctrl_I:
case K_S_TAB:
ctrl_x_mode = CTRL_X_PATH_PATTERNS;
break;
case Ctrl_D:
ctrl_x_mode = CTRL_X_PATH_DEFINES;
break;
#endif
case Ctrl_V:
case Ctrl_Q:
ctrl_x_mode = CTRL_X_CMDLINE;
break;
case Ctrl_P:
case Ctrl_N:
/* ^X^P means LOCAL expansion if nothing interrupted (eg we
* just started ^X mode, or there were enough ^X's to cancel
* the previous mode, say ^X^F^X^X^P or ^P^X^X^X^P, see below)
* do normal expansion when interrupting a different mode (say
* ^X^F^X^P or ^P^X^X^P, see below)
* nothing changes if interrupting mode 0, (eg, the flag
* doesn't change when going to ADDING mode -- Acevedo */
if (!(compl_cont_status & CONT_INTRPT))
compl_cont_status |= CONT_LOCAL;
else if (compl_cont_mode != 0)
compl_cont_status &= ~CONT_LOCAL;
/* FALLTHROUGH */
default:
/* If we have typed at least 2 ^X's... for modes != 0, we set
* compl_cont_status = 0 (eg, as if we had just started ^X
* mode).
* For mode 0, we set "compl_cont_mode" to an impossible
* value, in both cases ^X^X can be used to restart the same
* mode (avoiding ADDING mode).
* Undocumented feature: In a mode != 0 ^X^P and ^X^X^P start
* 'complete' and local ^P expansions respectively.
* In mode 0 an extra ^X is needed since ^X^P goes to ADDING
* mode -- Acevedo */
if (c == Ctrl_X)
{
if (compl_cont_mode != 0)
compl_cont_status = 0;
else
compl_cont_mode = CTRL_X_NOT_DEFINED_YET;
}
ctrl_x_mode = 0;
edit_submode = NULL;
showmode();
break;
}
}
else if (ctrl_x_mode != 0)
{
/* We're already in CTRL-X mode, do we stay in it? */
if (!vim_is_ctrl_x_key(c))
{
if (ctrl_x_mode == CTRL_X_SCROLL)
ctrl_x_mode = 0;
else
ctrl_x_mode = CTRL_X_FINISHED;
edit_submode = NULL;
}
showmode();
}
if (compl_started || ctrl_x_mode == CTRL_X_FINISHED)
{
/* Show error message from attempted keyword completion (probably
* 'Pattern not found') until another key is hit, then go back to
* showing what mode we are in. */
showmode();
if ((ctrl_x_mode == 0 && c != Ctrl_N && c != Ctrl_P && c != Ctrl_R
&& !ins_compl_pum_key(c))
|| ctrl_x_mode == CTRL_X_FINISHED)
{
/* Get here when we have finished typing a sequence of ^N and
* ^P or other completion characters in CTRL-X mode. Free up
* memory that was used, and make sure we can redo the insert. */
if (compl_curr_match != NULL || compl_leader != NULL || c == Ctrl_E)
{
char_u *p;
int temp = 0;
/*
* If any of the original typed text has been changed, eg when
* ignorecase is set, we must add back-spaces to the redo
* buffer. We add as few as necessary to delete just the part
* of the original text that has changed.
* When using the longest match, edited the match or used
* CTRL-E then don't use the current match.
*/
if (compl_curr_match != NULL && compl_used_match && c != Ctrl_E)
ptr = compl_curr_match->cp_str;
else if (compl_leader != NULL)
ptr = compl_leader;
else
ptr = compl_orig_text;
if (compl_orig_text != NULL)
{
p = compl_orig_text;
for (temp = 0; p[temp] != NUL && p[temp] == ptr[temp];
++temp)
;
#ifdef FEAT_MBYTE
if (temp > 0)
temp -= (*mb_head_off)(compl_orig_text, p + temp);
#endif
for (p += temp; *p != NUL; mb_ptr_adv(p))
AppendCharToRedobuff(K_BS);
}
if (ptr != NULL)
AppendToRedobuffLit(ptr + temp, -1);
}
#ifdef FEAT_CINDENT
want_cindent = (can_cindent && cindent_on());
#endif
/*
* When completing whole lines: fix indent for 'cindent'.
* Otherwise, break line if it's too long.
*/
if (compl_cont_mode == CTRL_X_WHOLE_LINE)
{
#ifdef FEAT_CINDENT
/* re-indent the current line */
if (want_cindent)
{
do_c_expr_indent();
want_cindent = FALSE; /* don't do it again */
}
#endif
}
else
{
int prev_col = curwin->w_cursor.col;
/* put the cursor on the last char, for 'tw' formatting */
if (prev_col > 0)
dec_cursor();
if (stop_arrow() == OK)
insertchar(NUL, 0, -1);
if (prev_col > 0
&& ml_get_curline()[curwin->w_cursor.col] != NUL)
inc_cursor();
}
auto_format(FALSE, TRUE);
/* If the popup menu is displayed pressing CTRL-Y means accepting
* the selection without inserting anything. When
* compl_enter_selects is set the Enter key does the same. */
if ((c == Ctrl_Y || (compl_enter_selects
&& (c == CAR || c == K_KENTER || c == NL)))
&& pum_visible())
retval = TRUE;
/* CTRL-E means completion is Ended, go back to the typed text. */
if (c == Ctrl_E)
{
ins_compl_delete();
if (compl_leader != NULL)
ins_bytes(compl_leader + curwin->w_cursor.col - compl_col);
else if (compl_first_match != NULL)
ins_bytes(compl_orig_text
+ curwin->w_cursor.col - compl_col);
retval = TRUE;
}
ins_compl_free();
compl_started = FALSE;
compl_matches = 0;
msg_clr_cmdline(); /* necessary for "noshowmode" */
ctrl_x_mode = 0;
compl_enter_selects = FALSE;
if (edit_submode != NULL)
{
edit_submode = NULL;
showmode();
}
#ifdef FEAT_CINDENT
/*
* Indent now if a key was typed that is in 'cinkeys'.
*/
if (want_cindent && in_cinkeys(KEY_COMPLETE, ' ', inindent(0)))
do_c_expr_indent();
#endif
}
}
/* reset continue_* if we left expansion-mode, if we stay they'll be
* (re)set properly in ins_complete() */
if (!vim_is_ctrl_x_key(c))
{
compl_cont_status = 0;
compl_cont_mode = 0;
}
return retval;
}
/*
* Loops through the list of windows, loaded-buffers or non-loaded-buffers
* (depending on flag) starting from buf and looking for a non-scanned
* buffer (other than curbuf). curbuf is special, if it is called with
* buf=curbuf then it has to be the first call for a given flag/expansion.
*
* Returns the buffer to scan, if any, otherwise returns curbuf -- Acevedo
*/
static buf_T *
ins_compl_next_buf(buf, flag)
buf_T *buf;
int flag;
{
#ifdef FEAT_WINDOWS
static win_T *wp;
#endif
if (flag == 'w') /* just windows */
{
#ifdef FEAT_WINDOWS
if (buf == curbuf) /* first call for this flag/expansion */
wp = curwin;
while ((wp = (wp->w_next != NULL ? wp->w_next : firstwin)) != curwin
&& wp->w_buffer->b_scanned)
;
buf = wp->w_buffer;
#else
buf = curbuf;
#endif
}
else
/* 'b' (just loaded buffers), 'u' (just non-loaded buffers) or 'U'
* (unlisted buffers)
* When completing whole lines skip unloaded buffers. */
while ((buf = (buf->b_next != NULL ? buf->b_next : firstbuf)) != curbuf
&& ((flag == 'U'
? buf->b_p_bl
: (!buf->b_p_bl
|| (buf->b_ml.ml_mfp == NULL) != (flag == 'u')))
|| buf->b_scanned))
;
return buf;
}
#ifdef FEAT_COMPL_FUNC
static void expand_by_function __ARGS((int type, char_u *base));
/*
* Execute user defined complete function 'completefunc' or 'omnifunc', and
* get matches in "matches".
*/
static void
expand_by_function(type, base)
int type; /* CTRL_X_OMNI or CTRL_X_FUNCTION */
char_u *base;
{
list_T *matchlist;
char_u *args[2];
char_u *funcname;
pos_T pos;
funcname = (type == CTRL_X_FUNCTION) ? curbuf->b_p_cfu : curbuf->b_p_ofu;
if (*funcname == NUL)
return;
/* Call 'completefunc' to obtain the list of matches. */
args[0] = (char_u *)"0";
args[1] = base;
pos = curwin->w_cursor;
matchlist = call_func_retlist(funcname, 2, args, FALSE);
curwin->w_cursor = pos; /* restore the cursor position */
if (matchlist == NULL)
return;
ins_compl_add_list(matchlist);
list_unref(matchlist);
}
#endif /* FEAT_COMPL_FUNC */
#if defined(FEAT_COMPL_FUNC) || defined(FEAT_EVAL) || defined(PROTO)
/*
* Add completions from a list.
*/
static void
ins_compl_add_list(list)
list_T *list;
{
listitem_T *li;
int dir = compl_direction;
/* Go through the List with matches and add each of them. */
for (li = list->lv_first; li != NULL; li = li->li_next)
{
if (ins_compl_add_tv(&li->li_tv, dir) == OK)
/* if dir was BACKWARD then honor it just once */
dir = FORWARD;
else if (did_emsg)
break;
}
}
/*
* Add a match to the list of matches from a typeval_T.
* If the given string is already in the list of completions, then return
* NOTDONE, otherwise add it to the list and return OK. If there is an error,
* maybe because alloc() returns NULL, then FAIL is returned.
*/
int
ins_compl_add_tv(tv, dir)
typval_T *tv;
int dir;
{
char_u *word;
int icase = FALSE;
int adup = FALSE;
char_u *(cptext[CPT_COUNT]);
if (tv->v_type == VAR_DICT && tv->vval.v_dict != NULL)
{
word = get_dict_string(tv->vval.v_dict, (char_u *)"word", FALSE);
cptext[CPT_ABBR] = get_dict_string(tv->vval.v_dict,
(char_u *)"abbr", FALSE);
cptext[CPT_MENU] = get_dict_string(tv->vval.v_dict,
(char_u *)"menu", FALSE);
cptext[CPT_KIND] = get_dict_string(tv->vval.v_dict,
(char_u *)"kind", FALSE);
cptext[CPT_INFO] = get_dict_string(tv->vval.v_dict,
(char_u *)"info", FALSE);
if (get_dict_string(tv->vval.v_dict, (char_u *)"icase", FALSE) != NULL)
icase = get_dict_number(tv->vval.v_dict, (char_u *)"icase");
if (get_dict_string(tv->vval.v_dict, (char_u *)"dup", FALSE) != NULL)
adup = get_dict_number(tv->vval.v_dict, (char_u *)"dup");
}
else
{
word = get_tv_string_chk(tv);
vim_memset(cptext, 0, sizeof(cptext));
}
if (word == NULL || *word == NUL)
return FAIL;
return ins_compl_add(word, -1, icase, NULL, cptext, dir, 0, adup);
}
#endif
/*
* Get the next expansion(s), using "compl_pattern".
* The search starts at position "ini" in curbuf and in the direction
* compl_direction.
* When "compl_started" is FALSE start at that position, otherwise continue
* where we stopped searching before.
* This may return before finding all the matches.
* Return the total number of matches or -1 if still unknown -- Acevedo
*/
static int
ins_compl_get_exp(ini)
pos_T *ini;
{
static pos_T first_match_pos;
static pos_T last_match_pos;
static char_u *e_cpt = (char_u *)""; /* curr. entry in 'complete' */
static int found_all = FALSE; /* Found all matches of a
certain type. */
static buf_T *ins_buf = NULL; /* buffer being scanned */
pos_T *pos;
char_u **matches;
int save_p_scs;
int save_p_ws;
int save_p_ic;
int i;
int num_matches;
int len;
int found_new_match;
int type = ctrl_x_mode;
char_u *ptr;
char_u *dict = NULL;
int dict_f = 0;
compl_T *old_match;
if (!compl_started)
{
for (ins_buf = firstbuf; ins_buf != NULL; ins_buf = ins_buf->b_next)
ins_buf->b_scanned = 0;
found_all = FALSE;
ins_buf = curbuf;
e_cpt = (compl_cont_status & CONT_LOCAL)
? (char_u *)"." : curbuf->b_p_cpt;
last_match_pos = first_match_pos = *ini;
}
old_match = compl_curr_match; /* remember the last current match */
pos = (compl_direction == FORWARD) ? &last_match_pos : &first_match_pos;
/* For ^N/^P loop over all the flags/windows/buffers in 'complete' */
for (;;)
{
found_new_match = FAIL;
/* For ^N/^P pick a new entry from e_cpt if compl_started is off,
* or if found_all says this entry is done. For ^X^L only use the
* entries from 'complete' that look in loaded buffers. */
if ((ctrl_x_mode == 0 || ctrl_x_mode == CTRL_X_WHOLE_LINE)
&& (!compl_started || found_all))
{
found_all = FALSE;
while (*e_cpt == ',' || *e_cpt == ' ')
e_cpt++;
if (*e_cpt == '.' && !curbuf->b_scanned)
{
ins_buf = curbuf;
first_match_pos = *ini;
/* So that ^N can match word immediately after cursor */
if (ctrl_x_mode == 0)
dec(&first_match_pos);
last_match_pos = first_match_pos;
type = 0;
}
else if (vim_strchr((char_u *)"buwU", *e_cpt) != NULL
&& (ins_buf = ins_compl_next_buf(ins_buf, *e_cpt)) != curbuf)
{
/* Scan a buffer, but not the current one. */
if (ins_buf->b_ml.ml_mfp != NULL) /* loaded buffer */
{
compl_started = TRUE;
first_match_pos.col = last_match_pos.col = 0;
first_match_pos.lnum = ins_buf->b_ml.ml_line_count + 1;
last_match_pos.lnum = 0;
type = 0;
}
else /* unloaded buffer, scan like dictionary */
{
found_all = TRUE;
if (ins_buf->b_fname == NULL)
continue;
type = CTRL_X_DICTIONARY;
dict = ins_buf->b_fname;
dict_f = DICT_EXACT;
}
vim_snprintf((char *)IObuff, IOSIZE, _("Scanning: %s"),
ins_buf->b_fname == NULL
? buf_spname(ins_buf)
: ins_buf->b_sfname == NULL
? (char *)ins_buf->b_fname
: (char *)ins_buf->b_sfname);
msg_trunc_attr(IObuff, TRUE, hl_attr(HLF_R));
}
else if (*e_cpt == NUL)
break;
else
{
if (ctrl_x_mode == CTRL_X_WHOLE_LINE)
type = -1;
else if (*e_cpt == 'k' || *e_cpt == 's')
{
if (*e_cpt == 'k')
type = CTRL_X_DICTIONARY;
else
type = CTRL_X_THESAURUS;
if (*++e_cpt != ',' && *e_cpt != NUL)
{
dict = e_cpt;
dict_f = DICT_FIRST;
}
}
#ifdef FEAT_FIND_ID
else if (*e_cpt == 'i')
type = CTRL_X_PATH_PATTERNS;
else if (*e_cpt == 'd')
type = CTRL_X_PATH_DEFINES;
#endif
else if (*e_cpt == ']' || *e_cpt == 't')
{
type = CTRL_X_TAGS;
sprintf((char*)IObuff, _("Scanning tags."));
msg_trunc_attr(IObuff, TRUE, hl_attr(HLF_R));
}
else
type = -1;
/* in any case e_cpt is advanced to the next entry */
(void)copy_option_part(&e_cpt, IObuff, IOSIZE, ",");
found_all = TRUE;
if (type == -1)
continue;
}
}
switch (type)
{
case -1:
break;
#ifdef FEAT_FIND_ID
case CTRL_X_PATH_PATTERNS:
case CTRL_X_PATH_DEFINES:
find_pattern_in_path(compl_pattern, compl_direction,
(int)STRLEN(compl_pattern), FALSE, FALSE,
(type == CTRL_X_PATH_DEFINES
&& !(compl_cont_status & CONT_SOL))
? FIND_DEFINE : FIND_ANY, 1L, ACTION_EXPAND,
(linenr_T)1, (linenr_T)MAXLNUM);
break;
#endif
case CTRL_X_DICTIONARY:
case CTRL_X_THESAURUS:
ins_compl_dictionaries(
dict != NULL ? dict
: (type == CTRL_X_THESAURUS
? (*curbuf->b_p_tsr == NUL
? p_tsr
: curbuf->b_p_tsr)
: (*curbuf->b_p_dict == NUL
? p_dict
: curbuf->b_p_dict)),
compl_pattern,
dict != NULL ? dict_f
: 0, type == CTRL_X_THESAURUS);
dict = NULL;
break;
case CTRL_X_TAGS:
/* set p_ic according to p_ic, p_scs and pat for find_tags(). */
save_p_ic = p_ic;
p_ic = ignorecase(compl_pattern);
/* Find up to TAG_MANY matches. Avoids that an enourmous number
* of matches is found when compl_pattern is empty */
if (find_tags(compl_pattern, &num_matches, &matches,
TAG_REGEXP | TAG_NAMES | TAG_NOIC |
TAG_INS_COMP | (ctrl_x_mode ? TAG_VERBOSE : 0),
TAG_MANY, curbuf->b_ffname) == OK && num_matches > 0)
{
ins_compl_add_matches(num_matches, matches, p_ic);
}
p_ic = save_p_ic;
break;
case CTRL_X_FILES:
if (expand_wildcards(1, &compl_pattern, &num_matches, &matches,
EW_FILE|EW_DIR|EW_ADDSLASH|EW_SILENT) == OK)
{
/* May change home directory back to "~". */
tilde_replace(compl_pattern, num_matches, matches);
ins_compl_add_matches(num_matches, matches,
#ifdef CASE_INSENSITIVE_FILENAME
TRUE
#else
FALSE
#endif
);
}
break;
case CTRL_X_CMDLINE:
if (expand_cmdline(&compl_xp, compl_pattern,
(int)STRLEN(compl_pattern),
&num_matches, &matches) == EXPAND_OK)
ins_compl_add_matches(num_matches, matches, FALSE);
break;
#ifdef FEAT_COMPL_FUNC
case CTRL_X_FUNCTION:
case CTRL_X_OMNI:
expand_by_function(type, compl_pattern);
break;
#endif
case CTRL_X_SPELL:
#ifdef FEAT_SPELL
num_matches = expand_spelling(first_match_pos.lnum,
first_match_pos.col, compl_pattern, &matches);
if (num_matches > 0)
ins_compl_add_matches(num_matches, matches, p_ic);
#endif
break;
default: /* normal ^P/^N and ^X^L */
/*
* If 'infercase' is set, don't use 'smartcase' here
*/
save_p_scs = p_scs;
if (ins_buf->b_p_inf)
p_scs = FALSE;
/* buffers other than curbuf are scanned from the beginning or the
* end but never from the middle, thus setting nowrapscan in this
* buffers is a good idea, on the other hand, we always set
* wrapscan for curbuf to avoid missing matches -- Acevedo,Webb */
save_p_ws = p_ws;
if (ins_buf != curbuf)
p_ws = FALSE;
else if (*e_cpt == '.')
p_ws = TRUE;
for (;;)
{
int flags = 0;
++msg_silent; /* Don't want messages for wrapscan. */
/* ctrl_x_mode == CTRL_X_WHOLE_LINE || word-wise search that
* has added a word that was at the beginning of the line */
if ( ctrl_x_mode == CTRL_X_WHOLE_LINE
|| (compl_cont_status & CONT_SOL))
found_new_match = search_for_exact_line(ins_buf, pos,
compl_direction, compl_pattern);
else
found_new_match = searchit(NULL, ins_buf, pos,
compl_direction,
compl_pattern, 1L, SEARCH_KEEP + SEARCH_NFMSG,
RE_LAST, (linenr_T)0);
--msg_silent;
if (!compl_started)
{
/* set "compl_started" even on fail */
compl_started = TRUE;
first_match_pos = *pos;
last_match_pos = *pos;
}
else if (first_match_pos.lnum == last_match_pos.lnum
&& first_match_pos.col == last_match_pos.col)
found_new_match = FAIL;
if (found_new_match == FAIL)
{
if (ins_buf == curbuf)
found_all = TRUE;
break;
}
/* when ADDING, the text before the cursor matches, skip it */
if ( (compl_cont_status & CONT_ADDING) && ins_buf == curbuf
&& ini->lnum == pos->lnum
&& ini->col == pos->col)
continue;
ptr = ml_get_buf(ins_buf, pos->lnum, FALSE) + pos->col;
if (ctrl_x_mode == CTRL_X_WHOLE_LINE)
{
if (compl_cont_status & CONT_ADDING)
{
if (pos->lnum >= ins_buf->b_ml.ml_line_count)
continue;
ptr = ml_get_buf(ins_buf, pos->lnum + 1, FALSE);
if (!p_paste)
ptr = skipwhite(ptr);
}
len = (int)STRLEN(ptr);
}
else
{
char_u *tmp_ptr = ptr;
if (compl_cont_status & CONT_ADDING)
{
tmp_ptr += compl_length;
/* Skip if already inside a word. */
if (vim_iswordp(tmp_ptr))
continue;
/* Find start of next word. */
tmp_ptr = find_word_start(tmp_ptr);
}
/* Find end of this word. */
tmp_ptr = find_word_end(tmp_ptr);
len = (int)(tmp_ptr - ptr);
if ((compl_cont_status & CONT_ADDING)
&& len == compl_length)
{
if (pos->lnum < ins_buf->b_ml.ml_line_count)
{
/* Try next line, if any. the new word will be
* "join" as if the normal command "J" was used.
* IOSIZE is always greater than
* compl_length, so the next STRNCPY always
* works -- Acevedo */
STRNCPY(IObuff, ptr, len);
ptr = ml_get_buf(ins_buf, pos->lnum + 1, FALSE);
tmp_ptr = ptr = skipwhite(ptr);
/* Find start of next word. */
tmp_ptr = find_word_start(tmp_ptr);
/* Find end of next word. */
tmp_ptr = find_word_end(tmp_ptr);
if (tmp_ptr > ptr)
{
if (*ptr != ')' && IObuff[len - 1] != TAB)
{
if (IObuff[len - 1] != ' ')
IObuff[len++] = ' ';
/* IObuf =~ "\k.* ", thus len >= 2 */
if (p_js
&& (IObuff[len - 2] == '.'
|| (vim_strchr(p_cpo, CPO_JOINSP)
== NULL
&& (IObuff[len - 2] == '?'
|| IObuff[len - 2] == '!'))))
IObuff[len++] = ' ';
}
/* copy as much as posible of the new word */
if (tmp_ptr - ptr >= IOSIZE - len)
tmp_ptr = ptr + IOSIZE - len - 1;
STRNCPY(IObuff + len, ptr, tmp_ptr - ptr);
len += (int)(tmp_ptr - ptr);
flags |= CONT_S_IPOS;
}
IObuff[len] = NUL;
ptr = IObuff;
}
if (len == compl_length)
continue;
}
}
if (ins_compl_add_infercase(ptr, len, p_ic,
ins_buf == curbuf ? NULL : ins_buf->b_sfname,
0, flags) != NOTDONE)
{
found_new_match = OK;
break;
}
}
p_scs = save_p_scs;
p_ws = save_p_ws;
}
/* check if compl_curr_match has changed, (e.g. other type of
* expansion added somenthing) */
if (type != 0 && compl_curr_match != old_match)
found_new_match = OK;
/* break the loop for specialized modes (use 'complete' just for the
* generic ctrl_x_mode == 0) or when we've found a new match */
if ((ctrl_x_mode != 0 && ctrl_x_mode != CTRL_X_WHOLE_LINE)
|| found_new_match != FAIL)
{
if (got_int)
break;
/* Fill the popup menu as soon as possible. */
if (type != -1)
ins_compl_check_keys(0);
if ((ctrl_x_mode != 0 && ctrl_x_mode != CTRL_X_WHOLE_LINE)
|| compl_interrupted)
break;
compl_started = TRUE;
}
else
{
/* Mark a buffer scanned when it has been scanned completely */
if (type == 0 || type == CTRL_X_PATH_PATTERNS)
ins_buf->b_scanned = TRUE;
compl_started = FALSE;
}
}
compl_started = TRUE;
if ((ctrl_x_mode == 0 || ctrl_x_mode == CTRL_X_WHOLE_LINE)
&& *e_cpt == NUL) /* Got to end of 'complete' */
found_new_match = FAIL;
i = -1; /* total of matches, unknown */
if (found_new_match == FAIL
|| (ctrl_x_mode != 0 && ctrl_x_mode != CTRL_X_WHOLE_LINE))
i = ins_compl_make_cyclic();
/* If several matches were added (FORWARD) or the search failed and has
* just been made cyclic then we have to move compl_curr_match to the next
* or previous entry (if any) -- Acevedo */
compl_curr_match = compl_direction == FORWARD ? old_match->cp_next
: old_match->cp_prev;
if (compl_curr_match == NULL)
compl_curr_match = old_match;
return i;
}
/* Delete the old text being completed. */
static void
ins_compl_delete()
{
int i;
/*
* In insert mode: Delete the typed part.
* In replace mode: Put the old characters back, if any.
*/
i = compl_col + (compl_cont_status & CONT_ADDING ? compl_length : 0);
backspace_until_column(i);
changed_cline_bef_curs();
}
/* Insert the new text being completed. */
static void
ins_compl_insert()
{
ins_bytes(compl_shown_match->cp_str + curwin->w_cursor.col - compl_col);
if (compl_shown_match->cp_flags & ORIGINAL_TEXT)
compl_used_match = FALSE;
else
compl_used_match = TRUE;
}
/*
* Fill in the next completion in the current direction.
* If "allow_get_expansion" is TRUE, then we may call ins_compl_get_exp() to
* get more completions. If it is FALSE, then we just do nothing when there
* are no more completions in a given direction. The latter case is used when
* we are still in the middle of finding completions, to allow browsing
* through the ones found so far.
* Return the total number of matches, or -1 if still unknown -- webb.
*
* compl_curr_match is currently being used by ins_compl_get_exp(), so we use
* compl_shown_match here.
*
* Note that this function may be called recursively once only. First with
* "allow_get_expansion" TRUE, which calls ins_compl_get_exp(), which in turn
* calls this function with "allow_get_expansion" FALSE.
*/
static int
ins_compl_next(allow_get_expansion, count, insert_match)
int allow_get_expansion;
int count; /* repeat completion this many times; should
be at least 1 */
int insert_match; /* Insert the newly selected match */
{
int num_matches = -1;
int i;
int todo = count;
compl_T *found_compl = NULL;
int found_end = FALSE;
int advance;
if (compl_leader != NULL
&& (compl_shown_match->cp_flags & ORIGINAL_TEXT) == 0)
{
/* Set "compl_shown_match" to the actually shown match, it may differ
* when "compl_leader" is used to omit some of the matches. */
while (!ins_compl_equal(compl_shown_match,
compl_leader, (int)STRLEN(compl_leader))
&& compl_shown_match->cp_next != NULL
&& compl_shown_match->cp_next != compl_first_match)
compl_shown_match = compl_shown_match->cp_next;
/* If we didn't find it searching forward, and compl_shows_dir is
* backward, find the last match. */
if (compl_shows_dir == BACKWARD
&& !ins_compl_equal(compl_shown_match,
compl_leader, (int)STRLEN(compl_leader))
&& (compl_shown_match->cp_next == NULL
|| compl_shown_match->cp_next == compl_first_match))
{
while (!ins_compl_equal(compl_shown_match,
compl_leader, (int)STRLEN(compl_leader))
&& compl_shown_match->cp_prev != NULL
&& compl_shown_match->cp_prev != compl_first_match)
compl_shown_match = compl_shown_match->cp_prev;
}
}
if (allow_get_expansion && insert_match
&& (!(compl_get_longest || compl_restarting) || compl_used_match))
/* Delete old text to be replaced */
ins_compl_delete();
/* When finding the longest common text we stick at the original text,
* don't let CTRL-N or CTRL-P move to the first match. */
advance = count != 1 || !allow_get_expansion || !compl_get_longest;
/* When restarting the search don't insert the first match either. */
if (compl_restarting)
{
advance = FALSE;
compl_restarting = FALSE;
}
/* Repeat this for when <PageUp> or <PageDown> is typed. But don't wrap
* around. */
while (--todo >= 0)
{
if (compl_shows_dir == FORWARD && compl_shown_match->cp_next != NULL)
{
compl_shown_match = compl_shown_match->cp_next;
found_end = (compl_first_match != NULL
&& (compl_shown_match->cp_next == compl_first_match
|| compl_shown_match == compl_first_match));
}
else if (compl_shows_dir == BACKWARD
&& compl_shown_match->cp_prev != NULL)
{
found_end = (compl_shown_match == compl_first_match);
compl_shown_match = compl_shown_match->cp_prev;
found_end |= (compl_shown_match == compl_first_match);
}
else
{
if (!allow_get_expansion)
{
if (advance)
{
if (compl_shows_dir == BACKWARD)
compl_pending -= todo + 1;
else
compl_pending += todo + 1;
}
return -1;
}
if (advance)
{
if (compl_shows_dir == BACKWARD)
--compl_pending;
else
++compl_pending;
}
/* Find matches. */
num_matches = ins_compl_get_exp(&compl_startpos);
/* handle any pending completions */
while (compl_pending != 0 && compl_direction == compl_shows_dir
&& advance)
{
if (compl_pending > 0 && compl_shown_match->cp_next != NULL)
{
compl_shown_match = compl_shown_match->cp_next;
--compl_pending;
}
if (compl_pending < 0 && compl_shown_match->cp_prev != NULL)
{
compl_shown_match = compl_shown_match->cp_prev;
++compl_pending;
}
else
break;
}
found_end = FALSE;
}
if ((compl_shown_match->cp_flags & ORIGINAL_TEXT) == 0
&& compl_leader != NULL
&& !ins_compl_equal(compl_shown_match,
compl_leader, (int)STRLEN(compl_leader)))
++todo;
else
/* Remember a matching item. */
found_compl = compl_shown_match;
/* Stop at the end of the list when we found a usable match. */
if (found_end)
{
if (found_compl != NULL)
{
compl_shown_match = found_compl;
break;
}
todo = 1; /* use first usable match after wrapping around */
}
}
/* Insert the text of the new completion, or the compl_leader. */
if (insert_match)
{
if (!compl_get_longest || compl_used_match)
ins_compl_insert();
else
ins_bytes(compl_leader + curwin->w_cursor.col - compl_col);
}
else
compl_used_match = FALSE;
if (!allow_get_expansion)
{
/* may undisplay the popup menu first */
ins_compl_upd_pum();
/* redraw to show the user what was inserted */
update_screen(0);
/* display the updated popup menu */
ins_compl_show_pum();
#ifdef FEAT_GUI
if (gui.in_use)
{
/* Show the cursor after the match, not after the redrawn text. */
setcursor();
out_flush();
gui_update_cursor(FALSE, FALSE);
}
#endif
/* Delete old text to be replaced, since we're still searching and
* don't want to match ourselves! */
ins_compl_delete();
}
/* Enter will select a match when the match wasn't inserted and the popup
* menu is visible. */
compl_enter_selects = !insert_match && compl_match_array != NULL;
/*
* Show the file name for the match (if any)
* Truncate the file name to avoid a wait for return.
*/
if (compl_shown_match->cp_fname != NULL)
{
STRCPY(IObuff, "match in file ");
i = (vim_strsize(compl_shown_match->cp_fname) + 16) - sc_col;
if (i <= 0)
i = 0;
else
STRCAT(IObuff, "<");
STRCAT(IObuff, compl_shown_match->cp_fname + i);
msg(IObuff);
redraw_cmdline = FALSE; /* don't overwrite! */
}
return num_matches;
}
/*
* Call this while finding completions, to check whether the user has hit a key
* that should change the currently displayed completion, or exit completion
* mode. Also, when compl_pending is not zero, show a completion as soon as
* possible. -- webb
* "frequency" specifies out of how many calls we actually check.
*/
void
ins_compl_check_keys(frequency)
int frequency;
{
static int count = 0;
int c;
/* Don't check when reading keys from a script. That would break the test
* scripts */
if (using_script())
return;
/* Only do this at regular intervals */
if (++count < frequency)
return;
count = 0;
/* Check for a typed key. Do use mappings, otherwise vim_is_ctrl_x_key()
* can't do its work correctly. */
c = vpeekc_any();
if (c != NUL)
{
if (vim_is_ctrl_x_key(c) && c != Ctrl_X && c != Ctrl_R)
{
c = safe_vgetc(); /* Eat the character */
compl_shows_dir = ins_compl_key2dir(c);
(void)ins_compl_next(FALSE, ins_compl_key2count(c),
c != K_UP && c != K_DOWN);
}
else
{
/* Need to get the character to have KeyTyped set. We'll put it
* back with vungetc() below. */
c = safe_vgetc();
/* Don't interrupt completion when the character wasn't typed,
* e.g., when doing @q to replay keys. */
if (c != Ctrl_R && KeyTyped)
compl_interrupted = TRUE;
vungetc(c);
}
}
if (compl_pending != 0 && !got_int)
{
int todo = compl_pending > 0 ? compl_pending : -compl_pending;
compl_pending = 0;
(void)ins_compl_next(FALSE, todo, TRUE);
}
}
/*
* Decide the direction of Insert mode complete from the key typed.
* Returns BACKWARD or FORWARD.
*/
static int
ins_compl_key2dir(c)
int c;
{
if (c == Ctrl_P || c == Ctrl_L
|| (pum_visible() && (c == K_PAGEUP || c == K_KPAGEUP
|| c == K_S_UP || c == K_UP)))
return BACKWARD;
return FORWARD;
}
/*
* Return TRUE for keys that are used for completion only when the popup menu
* is visible.
*/
static int
ins_compl_pum_key(c)
int c;
{
return pum_visible() && (c == K_PAGEUP || c == K_KPAGEUP || c == K_S_UP
|| c == K_PAGEDOWN || c == K_KPAGEDOWN || c == K_S_DOWN
|| c == K_UP || c == K_DOWN);
}
/*
* Decide the number of completions to move forward.
* Returns 1 for most keys, height of the popup menu for page-up/down keys.
*/
static int
ins_compl_key2count(c)
int c;
{
int h;
if (ins_compl_pum_key(c) && c != K_UP && c != K_DOWN)
{
h = pum_get_height();
if (h > 3)
h -= 2; /* keep some context */
return h;
}
return 1;
}
/*
* Return TRUE if completion with "c" should insert the match, FALSE if only
* to change the currently selected completion.
*/
static int
ins_compl_use_match(c)
int c;
{
switch (c)
{
case K_UP:
case K_DOWN:
case K_PAGEDOWN:
case K_KPAGEDOWN:
case K_S_DOWN:
case K_PAGEUP:
case K_KPAGEUP:
case K_S_UP:
return FALSE;
}
return TRUE;
}
/*
* Do Insert mode completion.
* Called when character "c" was typed, which has a meaning for completion.
* Returns OK if completion was done, FAIL if something failed (out of mem).
*/
static int
ins_complete(c)
int c;
{
char_u *line;
int startcol = 0; /* column where searched text starts */
colnr_T curs_col; /* cursor column */
int n;
compl_direction = ins_compl_key2dir(c);
if (!compl_started)
{
/* First time we hit ^N or ^P (in a row, I mean) */
did_ai = FALSE;
#ifdef FEAT_SMARTINDENT
did_si = FALSE;
can_si = FALSE;
can_si_back = FALSE;
#endif
if (stop_arrow() == FAIL)
return FAIL;
line = ml_get(curwin->w_cursor.lnum);
curs_col = curwin->w_cursor.col;
compl_pending = 0;
/* if this same ctrl_x_mode has been interrupted use the text from
* "compl_startpos" to the cursor as a pattern to add a new word
* instead of expand the one before the cursor, in word-wise if
* "compl_startpos"
* is not in the same line as the cursor then fix it (the line has
* been split because it was longer than 'tw'). if SOL is set then
* skip the previous pattern, a word at the beginning of the line has
* been inserted, we'll look for that -- Acevedo. */
if ((compl_cont_status & CONT_INTRPT) == CONT_INTRPT
&& compl_cont_mode == ctrl_x_mode)
{
/*
* it is a continued search
*/
compl_cont_status &= ~CONT_INTRPT; /* remove INTRPT */
if (ctrl_x_mode == 0 || ctrl_x_mode == CTRL_X_PATH_PATTERNS
|| ctrl_x_mode == CTRL_X_PATH_DEFINES)
{
if (compl_startpos.lnum != curwin->w_cursor.lnum)
{
/* line (probably) wrapped, set compl_startpos to the
* first non_blank in the line, if it is not a wordchar
* include it to get a better pattern, but then we don't
* want the "\\<" prefix, check it bellow */
compl_col = (colnr_T)(skipwhite(line) - line);
compl_startpos.col = compl_col;
compl_startpos.lnum = curwin->w_cursor.lnum;
compl_cont_status &= ~CONT_SOL; /* clear SOL if present */
}
else
{
/* S_IPOS was set when we inserted a word that was at the
* beginning of the line, which means that we'll go to SOL
* mode but first we need to redefine compl_startpos */
if (compl_cont_status & CONT_S_IPOS)
{
compl_cont_status |= CONT_SOL;
compl_startpos.col = (colnr_T)(skipwhite(
line + compl_length
+ compl_startpos.col) - line);
}
compl_col = compl_startpos.col;
}
compl_length = curwin->w_cursor.col - (int)compl_col;
/* IObuff is used to add a "word from the next line" would we
* have enough space? just being paranoic */
#define MIN_SPACE 75
if (compl_length > (IOSIZE - MIN_SPACE))
{
compl_cont_status &= ~CONT_SOL;
compl_length = (IOSIZE - MIN_SPACE);
compl_col = curwin->w_cursor.col - compl_length;
}
compl_cont_status |= CONT_ADDING | CONT_N_ADDS;
if (compl_length < 1)
compl_cont_status &= CONT_LOCAL;
}
else if (ctrl_x_mode == CTRL_X_WHOLE_LINE)
compl_cont_status = CONT_ADDING | CONT_N_ADDS;
else
compl_cont_status = 0;
}
else
compl_cont_status &= CONT_LOCAL;
if (!(compl_cont_status & CONT_ADDING)) /* normal expansion */
{
compl_cont_mode = ctrl_x_mode;
if (ctrl_x_mode != 0) /* Remove LOCAL if ctrl_x_mode != 0 */
compl_cont_status = 0;
compl_cont_status |= CONT_N_ADDS;
compl_startpos = curwin->w_cursor;
startcol = (int)curs_col;
compl_col = 0;
}
/* Work out completion pattern and original text -- webb */
if (ctrl_x_mode == 0 || (ctrl_x_mode & CTRL_X_WANT_IDENT))
{
if ((compl_cont_status & CONT_SOL)
|| ctrl_x_mode == CTRL_X_PATH_DEFINES)
{
if (!(compl_cont_status & CONT_ADDING))
{
while (--startcol >= 0 && vim_isIDc(line[startcol]))
;
compl_col += ++startcol;
compl_length = curs_col - startcol;
}
if (p_ic)
compl_pattern = str_foldcase(line + compl_col,
compl_length, NULL, 0);
else
compl_pattern = vim_strnsave(line + compl_col,
compl_length);
if (compl_pattern == NULL)
return FAIL;
}
else if (compl_cont_status & CONT_ADDING)
{
char_u *prefix = (char_u *)"\\<";
/* we need 3 extra chars, 1 for the NUL and
* 2 >= strlen(prefix) -- Acevedo */
compl_pattern = alloc(quote_meta(NULL, line + compl_col,
compl_length) + 3);
if (compl_pattern == NULL)
return FAIL;
if (!vim_iswordp(line + compl_col)
|| (compl_col > 0
&& (
#ifdef FEAT_MBYTE
vim_iswordp(mb_prevptr(line, line + compl_col))
#else
vim_iswordc(line[compl_col - 1])
#endif
)))
prefix = (char_u *)"";
STRCPY((char *)compl_pattern, prefix);
(void)quote_meta(compl_pattern + STRLEN(prefix),
line + compl_col, compl_length);
}
else if (--startcol < 0 ||
#ifdef FEAT_MBYTE
!vim_iswordp(mb_prevptr(line, line + startcol + 1))
#else
!vim_iswordc(line[startcol])
#endif
)
{
/* Match any word of at least two chars */
compl_pattern = vim_strsave((char_u *)"\\<\\k\\k");
if (compl_pattern == NULL)
return FAIL;
compl_col += curs_col;
compl_length = 0;
}
else
{
#ifdef FEAT_MBYTE
/* Search the point of change class of multibyte character
* or not a word single byte character backward. */
if (has_mbyte)
{
int base_class;
int head_off;
startcol -= (*mb_head_off)(line, line + startcol);
base_class = mb_get_class(line + startcol);
while (--startcol >= 0)
{
head_off = (*mb_head_off)(line, line + startcol);
if (base_class != mb_get_class(line + startcol
- head_off))
break;
startcol -= head_off;
}
}
else
#endif
while (--startcol >= 0 && vim_iswordc(line[startcol]))
;
compl_col += ++startcol;
compl_length = (int)curs_col - startcol;
if (compl_length == 1)
{
/* Only match word with at least two chars -- webb
* there's no need to call quote_meta,
* alloc(7) is enough -- Acevedo
*/
compl_pattern = alloc(7);
if (compl_pattern == NULL)
return FAIL;
STRCPY((char *)compl_pattern, "\\<");
(void)quote_meta(compl_pattern + 2, line + compl_col, 1);
STRCAT((char *)compl_pattern, "\\k");
}
else
{
compl_pattern = alloc(quote_meta(NULL, line + compl_col,
compl_length) + 3);
if (compl_pattern == NULL)
return FAIL;
STRCPY((char *)compl_pattern, "\\<");
(void)quote_meta(compl_pattern + 2, line + compl_col,
compl_length);
}
}
}
else if (ctrl_x_mode == CTRL_X_WHOLE_LINE)
{
compl_col = (colnr_T)(skipwhite(line) - line);
compl_length = (int)curs_col - (int)compl_col;
if (compl_length < 0) /* cursor in indent: empty pattern */
compl_length = 0;
if (p_ic)
compl_pattern = str_foldcase(line + compl_col, compl_length,
NULL, 0);
else
compl_pattern = vim_strnsave(line + compl_col, compl_length);
if (compl_pattern == NULL)
return FAIL;
}
else if (ctrl_x_mode == CTRL_X_FILES)
{
while (--startcol >= 0 && vim_isfilec(line[startcol]))
;
compl_col += ++startcol;
compl_length = (int)curs_col - startcol;
compl_pattern = addstar(line + compl_col, compl_length,
EXPAND_FILES);
if (compl_pattern == NULL)
return FAIL;
}
else if (ctrl_x_mode == CTRL_X_CMDLINE)
{
compl_pattern = vim_strnsave(line, curs_col);
if (compl_pattern == NULL)
return FAIL;
set_cmd_context(&compl_xp, compl_pattern,
(int)STRLEN(compl_pattern), curs_col);
if (compl_xp.xp_context == EXPAND_UNSUCCESSFUL
|| compl_xp.xp_context == EXPAND_NOTHING)
/* No completion possible, use an empty pattern to get a
* "pattern not found" message. */
compl_col = curs_col;
else
compl_col = (int)(compl_xp.xp_pattern - compl_pattern);
compl_length = curs_col - compl_col;
}
else if (ctrl_x_mode == CTRL_X_FUNCTION || ctrl_x_mode == CTRL_X_OMNI)
{
#ifdef FEAT_COMPL_FUNC
/*
* Call user defined function 'completefunc' with "a:findstart"
* set to 1 to obtain the length of text to use for completion.
*/
char_u *args[2];
int col;
char_u *funcname;
pos_T pos;
/* Call 'completefunc' or 'omnifunc' and get pattern length as a
* string */
funcname = ctrl_x_mode == CTRL_X_FUNCTION
? curbuf->b_p_cfu : curbuf->b_p_ofu;
if (*funcname == NUL)
{
EMSG2(_(e_notset), ctrl_x_mode == CTRL_X_FUNCTION
? "completefunc" : "omnifunc");
return FAIL;
}
args[0] = (char_u *)"1";
args[1] = NULL;
pos = curwin->w_cursor;
col = call_func_retnr(funcname, 2, args, FALSE);
curwin->w_cursor = pos; /* restore the cursor position */
if (col < 0)
col = curs_col;
compl_col = col;
if ((colnr_T)compl_col > curs_col)
compl_col = curs_col;
/* Setup variables for completion. Need to obtain "line" again,
* it may have become invalid. */
line = ml_get(curwin->w_cursor.lnum);
compl_length = curs_col - compl_col;
compl_pattern = vim_strnsave(line + compl_col, compl_length);
if (compl_pattern == NULL)
#endif
return FAIL;
}
else if (ctrl_x_mode == CTRL_X_SPELL)
{
#ifdef FEAT_SPELL
if (spell_bad_len > 0)
compl_col = curs_col - spell_bad_len;
else
compl_col = spell_word_start(startcol);
if (compl_col >= (colnr_T)startcol)
{
compl_length = 0;
compl_col = curs_col;
}
else
{
spell_expand_check_cap(compl_col);
compl_length = (int)curs_col - compl_col;
}
/* Need to obtain "line" again, it may have become invalid. */
line = ml_get(curwin->w_cursor.lnum);
compl_pattern = vim_strnsave(line + compl_col, compl_length);
if (compl_pattern == NULL)
#endif
return FAIL;
}
else
{
EMSG2(_(e_intern2), "ins_complete()");
return FAIL;
}
if (compl_cont_status & CONT_ADDING)
{
edit_submode_pre = (char_u *)_(" Adding");
if (ctrl_x_mode == CTRL_X_WHOLE_LINE)
{
/* Insert a new line, keep indentation but ignore 'comments' */
#ifdef FEAT_COMMENTS
char_u *old = curbuf->b_p_com;
curbuf->b_p_com = (char_u *)"";
#endif
compl_startpos.lnum = curwin->w_cursor.lnum;
compl_startpos.col = compl_col;
ins_eol('\r');
#ifdef FEAT_COMMENTS
curbuf->b_p_com = old;
#endif
compl_length = 0;
compl_col = curwin->w_cursor.col;
}
}
else
{
edit_submode_pre = NULL;
compl_startpos.col = compl_col;
}
if (compl_cont_status & CONT_LOCAL)
edit_submode = (char_u *)_(ctrl_x_msgs[CTRL_X_LOCAL_MSG]);
else
edit_submode = (char_u *)_(CTRL_X_MSG(ctrl_x_mode));
/* Always add completion for the original text. */
vim_free(compl_orig_text);
compl_orig_text = vim_strnsave(line + compl_col, compl_length);
if (compl_orig_text == NULL || ins_compl_add(compl_orig_text,
-1, p_ic, NULL, NULL, 0, ORIGINAL_TEXT, FALSE) != OK)
{
vim_free(compl_pattern);
compl_pattern = NULL;
vim_free(compl_orig_text);
compl_orig_text = NULL;
return FAIL;
}
/* showmode might reset the internal line pointers, so it must
* be called before line = ml_get(), or when this address is no
* longer needed. -- Acevedo.
*/
edit_submode_extra = (char_u *)_("-- Searching...");
edit_submode_highl = HLF_COUNT;
showmode();
edit_submode_extra = NULL;
out_flush();
}
compl_shown_match = compl_curr_match;
compl_shows_dir = compl_direction;
/*
* Find next match (and following matches).
*/
n = ins_compl_next(TRUE, ins_compl_key2count(c), ins_compl_use_match(c));
/* may undisplay the popup menu */
ins_compl_upd_pum();
if (n > 1) /* all matches have been found */
compl_matches = n;
compl_curr_match = compl_shown_match;
compl_direction = compl_shows_dir;
/* Eat the ESC that vgetc() returns after a CTRL-C to avoid leaving Insert
* mode. */
if (got_int && !global_busy)
{
(void)vgetc();
got_int = FALSE;
}
/* we found no match if the list has only the "compl_orig_text"-entry */
if (compl_first_match == compl_first_match->cp_next)
{
edit_submode_extra = (compl_cont_status & CONT_ADDING)
&& compl_length > 1
? (char_u *)_(e_hitend) : (char_u *)_(e_patnotf);
edit_submode_highl = HLF_E;
/* remove N_ADDS flag, so next ^X<> won't try to go to ADDING mode,
* because we couldn't expand anything at first place, but if we used
* ^P, ^N, ^X^I or ^X^D we might want to add-expand a single-char-word
* (such as M in M'exico) if not tried already. -- Acevedo */
if ( compl_length > 1
|| (compl_cont_status & CONT_ADDING)
|| (ctrl_x_mode != 0
&& ctrl_x_mode != CTRL_X_PATH_PATTERNS
&& ctrl_x_mode != CTRL_X_PATH_DEFINES))
compl_cont_status &= ~CONT_N_ADDS;
}
if (compl_curr_match->cp_flags & CONT_S_IPOS)
compl_cont_status |= CONT_S_IPOS;
else
compl_cont_status &= ~CONT_S_IPOS;
if (edit_submode_extra == NULL)
{
if (compl_curr_match->cp_flags & ORIGINAL_TEXT)
{
edit_submode_extra = (char_u *)_("Back at original");
edit_submode_highl = HLF_W;
}
else if (compl_cont_status & CONT_S_IPOS)
{
edit_submode_extra = (char_u *)_("Word from other line");
edit_submode_highl = HLF_COUNT;
}
else if (compl_curr_match->cp_next == compl_curr_match->cp_prev)
{
edit_submode_extra = (char_u *)_("The only match");
edit_submode_highl = HLF_COUNT;
}
else
{
/* Update completion sequence number when needed. */
if (compl_curr_match->cp_number == -1)
{
int number = 0;
compl_T *match;
if (compl_direction == FORWARD)
{
/* search backwards for the first valid (!= -1) number.
* This should normally succeed already at the first loop
* cycle, so it's fast! */
for (match = compl_curr_match->cp_prev; match != NULL
&& match != compl_first_match;
match = match->cp_prev)
if (match->cp_number != -1)
{
number = match->cp_number;
break;
}
if (match != NULL)
/* go up and assign all numbers which are not assigned
* yet */
for (match = match->cp_next;
match != NULL && match->cp_number == -1;
match = match->cp_next)
match->cp_number = ++number;
}
else /* BACKWARD */
{
/* search forwards (upwards) for the first valid (!= -1)
* number. This should normally succeed already at the
* first loop cycle, so it's fast! */
for (match = compl_curr_match->cp_next; match != NULL
&& match != compl_first_match;
match = match->cp_next)
if (match->cp_number != -1)
{
number = match->cp_number;
break;
}
if (match != NULL)
/* go down and assign all numbers which are not
* assigned yet */
for (match = match->cp_prev; match
&& match->cp_number == -1;
match = match->cp_prev)
match->cp_number = ++number;
}
}
/* The match should always have a sequence number now, this is
* just a safety check. */
if (compl_curr_match->cp_number != -1)
{
/* Space for 10 text chars. + 2x10-digit no.s = 31.
* Translations may need more than twice that. */
static char_u match_ref[81];
if (compl_matches > 0)
vim_snprintf((char *)match_ref, sizeof(match_ref),
_("match %d of %d"),
compl_curr_match->cp_number, compl_matches);
else
vim_snprintf((char *)match_ref, sizeof(match_ref),
_("match %d"),
compl_curr_match->cp_number);
edit_submode_extra = match_ref;
edit_submode_highl = HLF_R;
if (dollar_vcol)
curs_columns(FALSE);
}
}
}
/* Show a message about what (completion) mode we're in. */
showmode();
if (edit_submode_extra != NULL)
{
if (!p_smd)
msg_attr(edit_submode_extra,
edit_submode_highl < HLF_COUNT
? hl_attr(edit_submode_highl) : 0);
}
else
msg_clr_cmdline(); /* necessary for "noshowmode" */
/* Show the popup menu, unless we got interrupted. */
if (!compl_interrupted)
{
/* RedrawingDisabled may be set when invoked through complete(). */
n = RedrawingDisabled;
RedrawingDisabled = 0;
ins_compl_show_pum();
setcursor();
RedrawingDisabled = n;
}
compl_was_interrupted = compl_interrupted;
compl_interrupted = FALSE;
return OK;
}
/*
* Looks in the first "len" chars. of "src" for search-metachars.
* If dest is not NULL the chars. are copied there quoting (with
* a backslash) the metachars, and dest would be NUL terminated.
* Returns the length (needed) of dest
*/
static int
quote_meta(dest, src, len)
char_u *dest;
char_u *src;
int len;
{
int m;
for (m = len; --len >= 0; src++)
{
switch (*src)
{
case '.':
case '*':
case '[':
if (ctrl_x_mode == CTRL_X_DICTIONARY
|| ctrl_x_mode == CTRL_X_THESAURUS)
break;
case '~':
if (!p_magic) /* quote these only if magic is set */
break;
case '\\':
if (ctrl_x_mode == CTRL_X_DICTIONARY
|| ctrl_x_mode == CTRL_X_THESAURUS)
break;
case '^': /* currently it's not needed. */
case '$':
m++;
if (dest != NULL)
*dest++ = '\\';
break;
}
if (dest != NULL)
*dest++ = *src;
# ifdef FEAT_MBYTE
/* Copy remaining bytes of a multibyte character. */
if (has_mbyte)
{
int i, mb_len;
mb_len = (*mb_ptr2len)(src) - 1;
if (mb_len > 0 && len >= mb_len)
for (i = 0; i < mb_len; ++i)
{
--len;
++src;
if (dest != NULL)
*dest++ = *src;
}
}
# endif
}
if (dest != NULL)
*dest = NUL;
return m;
}
#endif /* FEAT_INS_EXPAND */
/*
* Next character is interpreted literally.
* A one, two or three digit decimal number is interpreted as its byte value.
* If one or two digits are entered, the next character is given to vungetc().
* For Unicode a character > 255 may be returned.
*/
int
get_literal()
{
int cc;
int nc;
int i;
int hex = FALSE;
int octal = FALSE;
#ifdef FEAT_MBYTE
int unicode = 0;
#endif
if (got_int)
return Ctrl_C;
#ifdef FEAT_GUI
/*
* In GUI there is no point inserting the internal code for a special key.
* It is more useful to insert the string "<KEY>" instead. This would
* probably be useful in a text window too, but it would not be
* vi-compatible (maybe there should be an option for it?) -- webb
*/
if (gui.in_use)
++allow_keys;
#endif
#ifdef USE_ON_FLY_SCROLL
dont_scroll = TRUE; /* disallow scrolling here */
#endif
++no_mapping; /* don't map the next key hits */
cc = 0;
i = 0;
for (;;)
{
do
nc = safe_vgetc();
while (nc == K_IGNORE || nc == K_VER_SCROLLBAR
|| nc == K_HOR_SCROLLBAR);
#ifdef FEAT_CMDL_INFO
if (!(State & CMDLINE)
# ifdef FEAT_MBYTE
&& MB_BYTE2LEN_CHECK(nc) == 1
# endif
)
add_to_showcmd(nc);
#endif
if (nc == 'x' || nc == 'X')
hex = TRUE;
else if (nc == 'o' || nc == 'O')
octal = TRUE;
#ifdef FEAT_MBYTE
else if (nc == 'u' || nc == 'U')
unicode = nc;
#endif
else
{
if (hex
#ifdef FEAT_MBYTE
|| unicode != 0
#endif
)
{
if (!vim_isxdigit(nc))
break;
cc = cc * 16 + hex2nr(nc);
}
else if (octal)
{
if (nc < '0' || nc > '7')
break;
cc = cc * 8 + nc - '0';
}
else
{
if (!VIM_ISDIGIT(nc))
break;
cc = cc * 10 + nc - '0';
}
++i;
}
if (cc > 255
#ifdef FEAT_MBYTE
&& unicode == 0
#endif
)
cc = 255; /* limit range to 0-255 */
nc = 0;
if (hex) /* hex: up to two chars */
{
if (i >= 2)
break;
}
#ifdef FEAT_MBYTE
else if (unicode) /* Unicode: up to four or eight chars */
{
if ((unicode == 'u' && i >= 4) || (unicode == 'U' && i >= 8))
break;
}
#endif
else if (i >= 3) /* decimal or octal: up to three chars */
break;
}
if (i == 0) /* no number entered */
{
if (nc == K_ZERO) /* NUL is stored as NL */
{
cc = '\n';
nc = 0;
}
else
{
cc = nc;
nc = 0;
}
}
if (cc == 0) /* NUL is stored as NL */
cc = '\n';
#ifdef FEAT_MBYTE
if (enc_dbcs && (cc & 0xff) == 0)
cc = '?'; /* don't accept an illegal DBCS char, the NUL in the
second byte will cause trouble! */
#endif
--no_mapping;
#ifdef FEAT_GUI
if (gui.in_use)
--allow_keys;
#endif
if (nc)
vungetc(nc);
got_int = FALSE; /* CTRL-C typed after CTRL-V is not an interrupt */
return cc;
}
/*
* Insert character, taking care of special keys and mod_mask
*/
static void
insert_special(c, allow_modmask, ctrlv)
int c;
int allow_modmask;
int ctrlv; /* c was typed after CTRL-V */
{
char_u *p;
int len;
/*
* Special function key, translate into "<Key>". Up to the last '>' is
* inserted with ins_str(), so as not to replace characters in replace
* mode.
* Only use mod_mask for special keys, to avoid things like <S-Space>,
* unless 'allow_modmask' is TRUE.
*/
#ifdef MACOS
/* Command-key never produces a normal key */
if (mod_mask & MOD_MASK_CMD)
allow_modmask = TRUE;
#endif
if (IS_SPECIAL(c) || (mod_mask && allow_modmask))
{
p = get_special_key_name(c, mod_mask);
len = (int)STRLEN(p);
c = p[len - 1];
if (len > 2)
{
if (stop_arrow() == FAIL)
return;
p[len - 1] = NUL;
ins_str(p);
AppendToRedobuffLit(p, -1);
ctrlv = FALSE;
}
}
if (stop_arrow() == OK)
insertchar(c, ctrlv ? INSCHAR_CTRLV : 0, -1);
}
/*
* Special characters in this context are those that need processing other
* than the simple insertion that can be performed here. This includes ESC
* which terminates the insert, and CR/NL which need special processing to
* open up a new line. This routine tries to optimize insertions performed by
* the "redo", "undo" or "put" commands, so it needs to know when it should
* stop and defer processing to the "normal" mechanism.
* '0' and '^' are special, because they can be followed by CTRL-D.
*/
#ifdef EBCDIC
# define ISSPECIAL(c) ((c) < ' ' || (c) == '0' || (c) == '^')
#else
# define ISSPECIAL(c) ((c) < ' ' || (c) >= DEL || (c) == '0' || (c) == '^')
#endif
#ifdef FEAT_MBYTE
# define WHITECHAR(cc) (vim_iswhite(cc) && (!enc_utf8 || !utf_iscomposing(utf_ptr2char(ml_get_cursor() + 1))))
#else
# define WHITECHAR(cc) vim_iswhite(cc)
#endif
void
insertchar(c, flags, second_indent)
int c; /* character to insert or NUL */
int flags; /* INSCHAR_FORMAT, etc. */
int second_indent; /* indent for second line if >= 0 */
{
int textwidth;
#ifdef FEAT_COMMENTS
char_u *p;
#endif
int fo_ins_blank;
textwidth = comp_textwidth(flags & INSCHAR_FORMAT);
fo_ins_blank = has_format_option(FO_INS_BLANK);
/*
* Try to break the line in two or more pieces when:
* - Always do this if we have been called to do formatting only.
* - Always do this when 'formatoptions' has the 'a' flag and the line
* ends in white space.
* - Otherwise:
* - Don't do this if inserting a blank
* - Don't do this if an existing character is being replaced, unless
* we're in VREPLACE mode.
* - Do this if the cursor is not on the line where insert started
* or - 'formatoptions' doesn't have 'l' or the line was not too long
* before the insert.
* - 'formatoptions' doesn't have 'b' or a blank was inserted at or
* before 'textwidth'
*/
if (textwidth > 0
&& ((flags & INSCHAR_FORMAT)
|| (!vim_iswhite(c)
&& !((State & REPLACE_FLAG)
#ifdef FEAT_VREPLACE
&& !(State & VREPLACE_FLAG)
#endif
&& *ml_get_cursor() != NUL)
&& (curwin->w_cursor.lnum != Insstart.lnum
|| ((!has_format_option(FO_INS_LONG)
|| Insstart_textlen <= (colnr_T)textwidth)
&& (!fo_ins_blank
|| Insstart_blank_vcol <= (colnr_T)textwidth
))))))
{
/* Format with 'formatexpr' when it's set. Use internal formatting
* when 'formatexpr' isn't set or it returns non-zero. */
#if defined(FEAT_EVAL)
int do_internal = TRUE;
if (*curbuf->b_p_fex != NUL)
{
do_internal = (fex_format(curwin->w_cursor.lnum, 1L, c) != 0);
/* It may be required to save for undo again, e.g. when setline()
* was called. */
ins_need_undo = TRUE;
}
if (do_internal)
#endif
internal_format(textwidth, second_indent, flags, c == NUL);
}
if (c == NUL) /* only formatting was wanted */
return;
#ifdef FEAT_COMMENTS
/* Check whether this character should end a comment. */
if (did_ai && (int)c == end_comment_pending)
{
char_u *line;
char_u lead_end[COM_MAX_LEN]; /* end-comment string */
int middle_len, end_len;
int i;
/*
* Need to remove existing (middle) comment leader and insert end
* comment leader. First, check what comment leader we can find.
*/
i = get_leader_len(line = ml_get_curline(), &p, FALSE);
if (i > 0 && vim_strchr(p, COM_MIDDLE) != NULL) /* Just checking */
{
/* Skip middle-comment string */
while (*p && p[-1] != ':') /* find end of middle flags */
++p;
middle_len = copy_option_part(&p, lead_end, COM_MAX_LEN, ",");
/* Don't count trailing white space for middle_len */
while (middle_len > 0 && vim_iswhite(lead_end[middle_len - 1]))
--middle_len;
/* Find the end-comment string */
while (*p && p[-1] != ':') /* find end of end flags */
++p;
end_len = copy_option_part(&p, lead_end, COM_MAX_LEN, ",");
/* Skip white space before the cursor */
i = curwin->w_cursor.col;
while (--i >= 0 && vim_iswhite(line[i]))
;
i++;
/* Skip to before the middle leader */
i -= middle_len;
/* Check some expected things before we go on */
if (i >= 0 && lead_end[end_len - 1] == end_comment_pending)
{
/* Backspace over all the stuff we want to replace */
backspace_until_column(i);
/*
* Insert the end-comment string, except for the last
* character, which will get inserted as normal later.
*/
ins_bytes_len(lead_end, end_len - 1);
}
}
}
end_comment_pending = NUL;
#endif
did_ai = FALSE;
#ifdef FEAT_SMARTINDENT
did_si = FALSE;
can_si = FALSE;
can_si_back = FALSE;
#endif
/*
* If there's any pending input, grab up to INPUT_BUFLEN at once.
* This speeds up normal text input considerably.
* Don't do this when 'cindent' or 'indentexpr' is set, because we might
* need to re-indent at a ':', or any other character (but not what
* 'paste' is set)..
*/
#ifdef USE_ON_FLY_SCROLL
dont_scroll = FALSE; /* allow scrolling here */
#endif
if ( !ISSPECIAL(c)
#ifdef FEAT_MBYTE
&& (!has_mbyte || (*mb_char2len)(c) == 1)
#endif
&& vpeekc() != NUL
&& !(State & REPLACE_FLAG)
#ifdef FEAT_CINDENT
&& !cindent_on()
#endif
#ifdef FEAT_RIGHTLEFT
&& !p_ri
#endif
)
{
#define INPUT_BUFLEN 100
char_u buf[INPUT_BUFLEN + 1];
int i;
colnr_T virtcol = 0;
buf[0] = c;
i = 1;
if (textwidth > 0)
virtcol = get_nolist_virtcol();
/*
* Stop the string when:
* - no more chars available
* - finding a special character (command key)
* - buffer is full
* - running into the 'textwidth' boundary
* - need to check for abbreviation: A non-word char after a word-char
*/
while ( (c = vpeekc()) != NUL
&& !ISSPECIAL(c)
#ifdef FEAT_MBYTE
&& (!has_mbyte || MB_BYTE2LEN_CHECK(c) == 1)
#endif
&& i < INPUT_BUFLEN
&& (textwidth == 0
|| (virtcol += byte2cells(buf[i - 1])) < (colnr_T)textwidth)
&& !(!no_abbr && !vim_iswordc(c) && vim_iswordc(buf[i - 1])))
{
#ifdef FEAT_RIGHTLEFT
c = vgetc();
if (p_hkmap && KeyTyped)
c = hkmap(c); /* Hebrew mode mapping */
# ifdef FEAT_FKMAP
if (p_fkmap && KeyTyped)
c = fkmap(c); /* Farsi mode mapping */
# endif
buf[i++] = c;
#else
buf[i++] = vgetc();
#endif
}
#ifdef FEAT_DIGRAPHS
do_digraph(-1); /* clear digraphs */
do_digraph(buf[i-1]); /* may be the start of a digraph */
#endif
buf[i] = NUL;
ins_str(buf);
if (flags & INSCHAR_CTRLV)
{
redo_literal(*buf);
i = 1;
}
else
i = 0;
if (buf[i] != NUL)
AppendToRedobuffLit(buf + i, -1);
}
else
{
#ifdef FEAT_MBYTE
int cc;
if (has_mbyte && (cc = (*mb_char2len)(c)) > 1)
{
char_u buf[MB_MAXBYTES + 1];
(*mb_char2bytes)(c, buf);
buf[cc] = NUL;
ins_char_bytes(buf, cc);
AppendCharToRedobuff(c);
}
else
#endif
{
ins_char(c);
if (flags & INSCHAR_CTRLV)
redo_literal(c);
else
AppendCharToRedobuff(c);
}
}
}
/*
* Format text at the current insert position.
*/
static void
internal_format(textwidth, second_indent, flags, format_only)
int textwidth;
int second_indent;
int flags;
int format_only;
{
int cc;
int save_char = NUL;
int haveto_redraw = FALSE;
int fo_ins_blank = has_format_option(FO_INS_BLANK);
#ifdef FEAT_MBYTE
int fo_multibyte = has_format_option(FO_MBYTE_BREAK);
#endif
int fo_white_par = has_format_option(FO_WHITE_PAR);
int first_line = TRUE;
#ifdef FEAT_COMMENTS
colnr_T leader_len;
int no_leader = FALSE;
int do_comments = (flags & INSCHAR_DO_COM);
#endif
/*
* When 'ai' is off we don't want a space under the cursor to be
* deleted. Replace it with an 'x' temporarily.
*/
if (!curbuf->b_p_ai)
{
cc = gchar_cursor();
if (vim_iswhite(cc))
{
save_char = cc;
pchar_cursor('x');
}
}
/*
* Repeat breaking lines, until the current line is not too long.
*/
while (!got_int)
{
int startcol; /* Cursor column at entry */
int wantcol; /* column at textwidth border */
int foundcol; /* column for start of spaces */
int end_foundcol = 0; /* column for start of word */
colnr_T len;
colnr_T virtcol;
#ifdef FEAT_VREPLACE
int orig_col = 0;
char_u *saved_text = NULL;
#endif
colnr_T col;
virtcol = get_nolist_virtcol();
if (virtcol < (colnr_T)textwidth)
break;
#ifdef FEAT_COMMENTS
if (no_leader)
do_comments = FALSE;
else if (!(flags & INSCHAR_FORMAT)
&& has_format_option(FO_WRAP_COMS))
do_comments = TRUE;
/* Don't break until after the comment leader */
if (do_comments)
leader_len = get_leader_len(ml_get_curline(), NULL, FALSE);
else
leader_len = 0;
/* If the line doesn't start with a comment leader, then don't
* start one in a following broken line. Avoids that a %word
* moved to the start of the next line causes all following lines
* to start with %. */
if (leader_len == 0)
no_leader = TRUE;
#endif
if (!(flags & INSCHAR_FORMAT)
#ifdef FEAT_COMMENTS
&& leader_len == 0
#endif
&& !has_format_option(FO_WRAP))
{
textwidth = 0;
break;
}
if ((startcol = curwin->w_cursor.col) == 0)
break;
/* find column of textwidth border */
coladvance((colnr_T)textwidth);
wantcol = curwin->w_cursor.col;
curwin->w_cursor.col = startcol - 1;
#ifdef FEAT_MBYTE
/* Correct cursor for multi-byte character. */
if (has_mbyte)
mb_adjust_cursor();
#endif
foundcol = 0;
/*
* Find position to break at.
* Stop at first entered white when 'formatoptions' has 'v'
*/
while ((!fo_ins_blank && !has_format_option(FO_INS_VI))
|| curwin->w_cursor.lnum != Insstart.lnum
|| curwin->w_cursor.col >= Insstart.col)
{
cc = gchar_cursor();
if (WHITECHAR(cc))
{
/* remember position of blank just before text */
end_foundcol = curwin->w_cursor.col;
/* find start of sequence of blanks */
while (curwin->w_cursor.col > 0 && WHITECHAR(cc))
{
dec_cursor();
cc = gchar_cursor();
}
if (curwin->w_cursor.col == 0 && WHITECHAR(cc))
break; /* only spaces in front of text */
#ifdef FEAT_COMMENTS
/* Don't break until after the comment leader */
if (curwin->w_cursor.col < leader_len)
break;
#endif
if (has_format_option(FO_ONE_LETTER))
{
/* do not break after one-letter words */
if (curwin->w_cursor.col == 0)
break; /* one-letter word at begin */
col = curwin->w_cursor.col;
dec_cursor();
cc = gchar_cursor();
if (WHITECHAR(cc))
continue; /* one-letter, continue */
curwin->w_cursor.col = col;
}
#ifdef FEAT_MBYTE
if (has_mbyte)
foundcol = curwin->w_cursor.col
+ (*mb_ptr2len)(ml_get_cursor());
else
#endif
foundcol = curwin->w_cursor.col + 1;
if (curwin->w_cursor.col < (colnr_T)wantcol)
break;
}
#ifdef FEAT_MBYTE
else if (cc >= 0x100 && fo_multibyte
&& curwin->w_cursor.col <= (colnr_T)wantcol)
{
/* Break after or before a multi-byte character. */
foundcol = curwin->w_cursor.col;
if (curwin->w_cursor.col < (colnr_T)wantcol)
foundcol += (*mb_char2len)(cc);
end_foundcol = foundcol;
break;
}
#endif
if (curwin->w_cursor.col == 0)
break;
dec_cursor();
}
if (foundcol == 0) /* no spaces, cannot break line */
{
curwin->w_cursor.col = startcol;
break;
}
/* Going to break the line, remove any "$" now. */
undisplay_dollar();
/*
* Offset between cursor position and line break is used by replace
* stack functions. VREPLACE does not use this, and backspaces
* over the text instead.
*/
#ifdef FEAT_VREPLACE
if (State & VREPLACE_FLAG)
orig_col = startcol; /* Will start backspacing from here */
else
#endif
replace_offset = startcol - end_foundcol - 1;
/*
* adjust startcol for spaces that will be deleted and
* characters that will remain on top line
*/
curwin->w_cursor.col = foundcol;
while (cc = gchar_cursor(), WHITECHAR(cc))
inc_cursor();
startcol -= curwin->w_cursor.col;
if (startcol < 0)
startcol = 0;
#ifdef FEAT_VREPLACE
if (State & VREPLACE_FLAG)
{
/*
* In VREPLACE mode, we will backspace over the text to be
* wrapped, so save a copy now to put on the next line.
*/
saved_text = vim_strsave(ml_get_cursor());
curwin->w_cursor.col = orig_col;
if (saved_text == NULL)
break; /* Can't do it, out of memory */
saved_text[startcol] = NUL;
/* Backspace over characters that will move to the next line */
if (!fo_white_par)
backspace_until_column(foundcol);
}
else
#endif
{
/* put cursor after pos. to break line */
if (!fo_white_par)
curwin->w_cursor.col = foundcol;
}
/*
* Split the line just before the margin.
* Only insert/delete lines, but don't really redraw the window.
*/
open_line(FORWARD, OPENLINE_DELSPACES + OPENLINE_MARKFIX
+ (fo_white_par ? OPENLINE_KEEPTRAIL : 0)
#ifdef FEAT_COMMENTS
+ (do_comments ? OPENLINE_DO_COM : 0)
#endif
, old_indent);
old_indent = 0;
replace_offset = 0;
if (first_line)
{
if (second_indent < 0 && has_format_option(FO_Q_NUMBER))
second_indent = get_number_indent(curwin->w_cursor.lnum -1);
if (second_indent >= 0)
{
#ifdef FEAT_VREPLACE
if (State & VREPLACE_FLAG)
change_indent(INDENT_SET, second_indent, FALSE, NUL);
else
#endif
(void)set_indent(second_indent, SIN_CHANGED);
}
first_line = FALSE;
}
#ifdef FEAT_VREPLACE
if (State & VREPLACE_FLAG)
{
/*
* In VREPLACE mode we have backspaced over the text to be
* moved, now we re-insert it into the new line.
*/
ins_bytes(saved_text);
vim_free(saved_text);
}
else
#endif
{
/*
* Check if cursor is not past the NUL off the line, cindent
* may have added or removed indent.
*/
curwin->w_cursor.col += startcol;
len = (colnr_T)STRLEN(ml_get_curline());
if (curwin->w_cursor.col > len)
curwin->w_cursor.col = len;
}
haveto_redraw = TRUE;
#ifdef FEAT_CINDENT
can_cindent = TRUE;
#endif
/* moved the cursor, don't autoindent or cindent now */
did_ai = FALSE;
#ifdef FEAT_SMARTINDENT
did_si = FALSE;
can_si = FALSE;
can_si_back = FALSE;
#endif
line_breakcheck();
}
if (save_char != NUL) /* put back space after cursor */
pchar_cursor(save_char);
if (!format_only && haveto_redraw)
{
update_topline();
redraw_curbuf_later(VALID);
}
}
/*
* Called after inserting or deleting text: When 'formatoptions' includes the
* 'a' flag format from the current line until the end of the paragraph.
* Keep the cursor at the same position relative to the text.
* The caller must have saved the cursor line for undo, following ones will be
* saved here.
*/
void
auto_format(trailblank, prev_line)
int trailblank; /* when TRUE also format with trailing blank */
int prev_line; /* may start in previous line */
{
pos_T pos;
colnr_T len;
char_u *old;
char_u *new, *pnew;
int wasatend;
int cc;
if (!has_format_option(FO_AUTO))
return;
pos = curwin->w_cursor;
old = ml_get_curline();
/* may remove added space */
check_auto_format(FALSE);
/* Don't format in Insert mode when the cursor is on a trailing blank, the
* user might insert normal text next. Also skip formatting when "1" is
* in 'formatoptions' and there is a single character before the cursor.
* Otherwise the line would be broken and when typing another non-white
* next they are not joined back together. */
wasatend = (pos.col == STRLEN(old));
if (*old != NUL && !trailblank && wasatend)
{
dec_cursor();
cc = gchar_cursor();
if (!WHITECHAR(cc) && curwin->w_cursor.col > 0
&& has_format_option(FO_ONE_LETTER))
dec_cursor();
cc = gchar_cursor();
if (WHITECHAR(cc))
{
curwin->w_cursor = pos;
return;
}
curwin->w_cursor = pos;
}
#ifdef FEAT_COMMENTS
/* With the 'c' flag in 'formatoptions' and 't' missing: only format
* comments. */
if (has_format_option(FO_WRAP_COMS) && !has_format_option(FO_WRAP)
&& get_leader_len(old, NULL, FALSE) == 0)
return;
#endif
/*
* May start formatting in a previous line, so that after "x" a word is
* moved to the previous line if it fits there now. Only when this is not
* the start of a paragraph.
*/
if (prev_line && !paragraph_start(curwin->w_cursor.lnum))
{
--curwin->w_cursor.lnum;
if (u_save_cursor() == FAIL)
return;
}
/*
* Do the formatting and restore the cursor position. "saved_cursor" will
* be adjusted for the text formatting.
*/
saved_cursor = pos;
format_lines((linenr_T)-1);
curwin->w_cursor = saved_cursor;
saved_cursor.lnum = 0;
if (curwin->w_cursor.lnum > curbuf->b_ml.ml_line_count)
{
/* "cannot happen" */
curwin->w_cursor.lnum = curbuf->b_ml.ml_line_count;
coladvance((colnr_T)MAXCOL);
}
else
check_cursor_col();
/* Insert mode: If the cursor is now after the end of the line while it
* previously wasn't, the line was broken. Because of the rule above we
* need to add a space when 'w' is in 'formatoptions' to keep a paragraph
* formatted. */
if (!wasatend && has_format_option(FO_WHITE_PAR))
{
new = ml_get_curline();
len = (colnr_T)STRLEN(new);
if (curwin->w_cursor.col == len)
{
pnew = vim_strnsave(new, len + 2);
pnew[len] = ' ';
pnew[len + 1] = NUL;
ml_replace(curwin->w_cursor.lnum, pnew, FALSE);
/* remove the space later */
did_add_space = TRUE;
}
else
/* may remove added space */
check_auto_format(FALSE);
}
check_cursor();
}
/*
* When an extra space was added to continue a paragraph for auto-formatting,
* delete it now. The space must be under the cursor, just after the insert
* position.
*/
static void
check_auto_format(end_insert)
int end_insert; /* TRUE when ending Insert mode */
{
int c = ' ';
int cc;
if (did_add_space)
{
cc = gchar_cursor();
if (!WHITECHAR(cc))
/* Somehow the space was removed already. */
did_add_space = FALSE;
else
{
if (!end_insert)
{
inc_cursor();
c = gchar_cursor();
dec_cursor();
}
if (c != NUL)
{
/* The space is no longer at the end of the line, delete it. */
del_char(FALSE);
did_add_space = FALSE;
}
}
}
}
/*
* Find out textwidth to be used for formatting:
* if 'textwidth' option is set, use it
* else if 'wrapmargin' option is set, use W_WIDTH(curwin) - 'wrapmargin'
* if invalid value, use 0.
* Set default to window width (maximum 79) for "gq" operator.
*/
int
comp_textwidth(ff)
int ff; /* force formatting (for "gq" command) */
{
int textwidth;
textwidth = curbuf->b_p_tw;
if (textwidth == 0 && curbuf->b_p_wm)
{
/* The width is the window width minus 'wrapmargin' minus all the
* things that add to the margin. */
textwidth = W_WIDTH(curwin) - curbuf->b_p_wm;
#ifdef FEAT_CMDWIN
if (cmdwin_type != 0)
textwidth -= 1;
#endif
#ifdef FEAT_FOLDING
textwidth -= curwin->w_p_fdc;
#endif
#ifdef FEAT_SIGNS
if (curwin->w_buffer->b_signlist != NULL
# ifdef FEAT_NETBEANS_INTG
|| usingNetbeans
# endif
)
textwidth -= 1;
#endif
if (curwin->w_p_nu)
textwidth -= 8;
}
if (textwidth < 0)
textwidth = 0;
if (ff && textwidth == 0)
{
textwidth = W_WIDTH(curwin) - 1;
if (textwidth > 79)
textwidth = 79;
}
return textwidth;
}
/*
* Put a character in the redo buffer, for when just after a CTRL-V.
*/
static void
redo_literal(c)
int c;
{
char_u buf[10];
/* Only digits need special treatment. Translate them into a string of
* three digits. */
if (VIM_ISDIGIT(c))
{
sprintf((char *)buf, "%03d", c);
AppendToRedobuff(buf);
}
else
AppendCharToRedobuff(c);
}
/*
* start_arrow() is called when an arrow key is used in insert mode.
* For undo/redo it resembles hitting the <ESC> key.
*/
static void
start_arrow(end_insert_pos)
pos_T *end_insert_pos; /* can be NULL */
{
if (!arrow_used) /* something has been inserted */
{
AppendToRedobuff(ESC_STR);
stop_insert(end_insert_pos, FALSE);
arrow_used = TRUE; /* this means we stopped the current insert */
}
#ifdef FEAT_SPELL
check_spell_redraw();
#endif
}
#ifdef FEAT_SPELL
/*
* If we skipped highlighting word at cursor, do it now.
* It may be skipped again, thus reset spell_redraw_lnum first.
*/
static void
check_spell_redraw()
{
if (spell_redraw_lnum != 0)
{
linenr_T lnum = spell_redraw_lnum;
spell_redraw_lnum = 0;
redrawWinline(lnum, FALSE);
}
}
/*
* Called when starting CTRL_X_SPELL mode: Move backwards to a previous badly
* spelled word, if there is one.
*/
static void
spell_back_to_badword()
{
pos_T tpos = curwin->w_cursor;
spell_bad_len = spell_move_to(curwin, BACKWARD, TRUE, TRUE, NULL);
if (curwin->w_cursor.col != tpos.col)
start_arrow(&tpos);
}
#endif
/*
* stop_arrow() is called before a change is made in insert mode.
* If an arrow key has been used, start a new insertion.
* Returns FAIL if undo is impossible, shouldn't insert then.
*/
int
stop_arrow()
{
if (arrow_used)
{
if (u_save_cursor() == OK)
{
arrow_used = FALSE;
ins_need_undo = FALSE;
}
Insstart = curwin->w_cursor; /* new insertion starts here */
Insstart_textlen = linetabsize(ml_get_curline());
ai_col = 0;
#ifdef FEAT_VREPLACE
if (State & VREPLACE_FLAG)
{
orig_line_count = curbuf->b_ml.ml_line_count;
vr_lines_changed = 1;
}
#endif
ResetRedobuff();
AppendToRedobuff((char_u *)"1i"); /* pretend we start an insertion */
new_insert_skip = 2;
}
else if (ins_need_undo)
{
if (u_save_cursor() == OK)
ins_need_undo = FALSE;
}
#ifdef FEAT_FOLDING
/* Always open fold at the cursor line when inserting something. */
foldOpenCursor();
#endif
return (arrow_used || ins_need_undo ? FAIL : OK);
}
/*
* Do a few things to stop inserting.
* "end_insert_pos" is where insert ended. It is NULL when we already jumped
* to another window/buffer.
*/
static void
stop_insert(end_insert_pos, esc)
pos_T *end_insert_pos;
int esc; /* called by ins_esc() */
{
int cc;
char_u *ptr;
stop_redo_ins();
replace_flush(); /* abandon replace stack */
/*
* Save the inserted text for later redo with ^@ and CTRL-A.
* Don't do it when "restart_edit" was set and nothing was inserted,
* otherwise CTRL-O w and then <Left> will clear "last_insert".
*/
ptr = get_inserted();
if (did_restart_edit == 0 || (ptr != NULL
&& (int)STRLEN(ptr) > new_insert_skip))
{
vim_free(last_insert);
last_insert = ptr;
last_insert_skip = new_insert_skip;
}
else
vim_free(ptr);
if (!arrow_used && end_insert_pos != NULL)
{
/* Auto-format now. It may seem strange to do this when stopping an
* insertion (or moving the cursor), but it's required when appending
* a line and having it end in a space. But only do it when something
* was actually inserted, otherwise undo won't work. */
if (!ins_need_undo && has_format_option(FO_AUTO))
{
pos_T tpos = curwin->w_cursor;
/* When the cursor is at the end of the line after a space the
* formatting will move it to the following word. Avoid that by
* moving the cursor onto the space. */
cc = 'x';
if (curwin->w_cursor.col > 0 && gchar_cursor() == NUL)
{
dec_cursor();
cc = gchar_cursor();
if (!vim_iswhite(cc))
curwin->w_cursor = tpos;
}
auto_format(TRUE, FALSE);
if (vim_iswhite(cc))
{
if (gchar_cursor() != NUL)
inc_cursor();
#ifdef FEAT_VIRTUALEDIT
/* If the cursor is still at the same character, also keep
* the "coladd". */
if (gchar_cursor() == NUL
&& curwin->w_cursor.lnum == tpos.lnum
&& curwin->w_cursor.col == tpos.col)
curwin->w_cursor.coladd = tpos.coladd;
#endif
}
}
/* If a space was inserted for auto-formatting, remove it now. */
check_auto_format(TRUE);
/* If we just did an auto-indent, remove the white space from the end
* of the line, and put the cursor back.
* Do this when ESC was used or moving the cursor up/down. */
if (did_ai && (esc || (vim_strchr(p_cpo, CPO_INDENT) == NULL
&& curwin->w_cursor.lnum != end_insert_pos->lnum)))
{
pos_T tpos = curwin->w_cursor;
curwin->w_cursor = *end_insert_pos;
for (;;)
{
if (gchar_cursor() == NUL && curwin->w_cursor.col > 0)
--curwin->w_cursor.col;
cc = gchar_cursor();
if (!vim_iswhite(cc))
break;
(void)del_char(TRUE);
}
if (curwin->w_cursor.lnum != tpos.lnum)
curwin->w_cursor = tpos;
else if (cc != NUL)
++curwin->w_cursor.col; /* put cursor back on the NUL */
#ifdef FEAT_VISUAL
/* <C-S-Right> may have started Visual mode, adjust the position for
* deleted characters. */
if (VIsual_active && VIsual.lnum == curwin->w_cursor.lnum)
{
cc = (int)STRLEN(ml_get_curline());
if (VIsual.col > (colnr_T)cc)
{
VIsual.col = cc;
# ifdef FEAT_VIRTUALEDIT
VIsual.coladd = 0;
# endif
}
}
#endif
}
}
did_ai = FALSE;
#ifdef FEAT_SMARTINDENT
did_si = FALSE;
can_si = FALSE;
can_si_back = FALSE;
#endif
/* Set '[ and '] to the inserted text. When end_insert_pos is NULL we are
* now in a different buffer. */
if (end_insert_pos != NULL)
{
curbuf->b_op_start = Insstart;
curbuf->b_op_end = *end_insert_pos;
}
}
/*
* Set the last inserted text to a single character.
* Used for the replace command.
*/
void
set_last_insert(c)
int c;
{
char_u *s;
vim_free(last_insert);
#ifdef FEAT_MBYTE
last_insert = alloc(MB_MAXBYTES * 3 + 5);
#else
last_insert = alloc(6);
#endif
if (last_insert != NULL)
{
s = last_insert;
/* Use the CTRL-V only when entering a special char */
if (c < ' ' || c == DEL)
*s++ = Ctrl_V;
s = add_char2buf(c, s);
*s++ = ESC;
*s++ = NUL;
last_insert_skip = 0;
}
}
#if defined(EXITFREE) || defined(PROTO)
void
free_last_insert()
{
vim_free(last_insert);
last_insert = NULL;
vim_free(compl_orig_text);
compl_orig_text = NULL;
}
#endif
/*
* Add character "c" to buffer "s". Escape the special meaning of K_SPECIAL
* and CSI. Handle multi-byte characters.
* Returns a pointer to after the added bytes.
*/
char_u *
add_char2buf(c, s)
int c;
char_u *s;
{
#ifdef FEAT_MBYTE
char_u temp[MB_MAXBYTES];
int i;
int len;
len = (*mb_char2bytes)(c, temp);
for (i = 0; i < len; ++i)
{
c = temp[i];
#endif
/* Need to escape K_SPECIAL and CSI like in the typeahead buffer. */
if (c == K_SPECIAL)
{
*s++ = K_SPECIAL;
*s++ = KS_SPECIAL;
*s++ = KE_FILLER;
}
#ifdef FEAT_GUI
else if (c == CSI)
{
*s++ = CSI;
*s++ = KS_EXTRA;
*s++ = (int)KE_CSI;
}
#endif
else
*s++ = c;
#ifdef FEAT_MBYTE
}
#endif
return s;
}
/*
* move cursor to start of line
* if flags & BL_WHITE move to first non-white
* if flags & BL_SOL move to first non-white if startofline is set,
* otherwise keep "curswant" column
* if flags & BL_FIX don't leave the cursor on a NUL.
*/
void
beginline(flags)
int flags;
{
if ((flags & BL_SOL) && !p_sol)
coladvance(curwin->w_curswant);
else
{
curwin->w_cursor.col = 0;
#ifdef FEAT_VIRTUALEDIT
curwin->w_cursor.coladd = 0;
#endif
if (flags & (BL_WHITE | BL_SOL))
{
char_u *ptr;
for (ptr = ml_get_curline(); vim_iswhite(*ptr)
&& !((flags & BL_FIX) && ptr[1] == NUL); ++ptr)
++curwin->w_cursor.col;
}
curwin->w_set_curswant = TRUE;
}
}
/*
* oneright oneleft cursor_down cursor_up
*
* Move one char {right,left,down,up}.
* Doesn't move onto the NUL past the end of the line, unless it is allowed.
* Return OK when successful, FAIL when we hit a line of file boundary.
*/
int
oneright()
{
char_u *ptr;
int l;
#ifdef FEAT_VIRTUALEDIT
if (virtual_active())
{
pos_T prevpos = curwin->w_cursor;
/* Adjust for multi-wide char (excluding TAB) */
ptr = ml_get_cursor();
coladvance(getviscol() + ((*ptr != TAB && vim_isprintc(
# ifdef FEAT_MBYTE
(*mb_ptr2char)(ptr)
# else
*ptr
# endif
))
? ptr2cells(ptr) : 1));
curwin->w_set_curswant = TRUE;
/* Return OK if the cursor moved, FAIL otherwise (at window edge). */
return (prevpos.col != curwin->w_cursor.col
|| prevpos.coladd != curwin->w_cursor.coladd) ? OK : FAIL;
}
#endif
ptr = ml_get_cursor();
if (*ptr == NUL)
return FAIL; /* already at the very end */
#ifdef FEAT_MBYTE
if (has_mbyte)
l = (*mb_ptr2len)(ptr);
else
#endif
l = 1;
/* move "l" bytes right, but don't end up on the NUL, unless 'virtualedit'
* contains "onemore". */
if (ptr[l] == NUL
#ifdef FEAT_VIRTUALEDIT
&& (ve_flags & VE_ONEMORE) == 0
#endif
)
return FAIL;
curwin->w_cursor.col += l;
curwin->w_set_curswant = TRUE;
return OK;
}
int
oneleft()
{
#ifdef FEAT_VIRTUALEDIT
if (virtual_active())
{
int width;
int v = getviscol();
if (v == 0)
return FAIL;
# ifdef FEAT_LINEBREAK
/* We might get stuck on 'showbreak', skip over it. */
width = 1;
for (;;)
{
coladvance(v - width);
/* getviscol() is slow, skip it when 'showbreak' is empty and
* there are no multi-byte characters */
if ((*p_sbr == NUL
# ifdef FEAT_MBYTE
&& !has_mbyte
# endif
) || getviscol() < v)
break;
++width;
}
# else
coladvance(v - 1);
# endif
if (curwin->w_cursor.coladd == 1)
{
char_u *ptr;
/* Adjust for multi-wide char (not a TAB) */
ptr = ml_get_cursor();
if (*ptr != TAB && vim_isprintc(
# ifdef FEAT_MBYTE
(*mb_ptr2char)(ptr)
# else
*ptr
# endif
) && ptr2cells(ptr) > 1)
curwin->w_cursor.coladd = 0;
}
curwin->w_set_curswant = TRUE;
return OK;
}
#endif
if (curwin->w_cursor.col == 0)
return FAIL;
curwin->w_set_curswant = TRUE;
--curwin->w_cursor.col;
#ifdef FEAT_MBYTE
/* if the character on the left of the current cursor is a multi-byte
* character, move to its first byte */
if (has_mbyte)
mb_adjust_cursor();
#endif
return OK;
}
int
cursor_up(n, upd_topline)
long n;
int upd_topline; /* When TRUE: update topline */
{
linenr_T lnum;
if (n > 0)
{
lnum = curwin->w_cursor.lnum;
/* This fails if the cursor is already in the first line or the count
* is larger than the line number and '-' is in 'cpoptions' */
if (lnum <= 1 || (n >= lnum && vim_strchr(p_cpo, CPO_MINUS) != NULL))
return FAIL;
if (n >= lnum)
lnum = 1;
else
#ifdef FEAT_FOLDING
if (hasAnyFolding(curwin))
{
/*
* Count each sequence of folded lines as one logical line.
*/
/* go to the the start of the current fold */
(void)hasFolding(lnum, &lnum, NULL);
while (n--)
{
/* move up one line */
--lnum;
if (lnum <= 1)
break;
/* If we entered a fold, move to the beginning, unless in
* Insert mode or when 'foldopen' contains "all": it will open
* in a moment. */
if (n > 0 || !((State & INSERT) || (fdo_flags & FDO_ALL)))
(void)hasFolding(lnum, &lnum, NULL);
}
if (lnum < 1)
lnum = 1;
}
else
#endif
lnum -= n;
curwin->w_cursor.lnum = lnum;
}
/* try to advance to the column we want to be at */
coladvance(curwin->w_curswant);
if (upd_topline)
update_topline(); /* make sure curwin->w_topline is valid */
return OK;
}
/*
* Cursor down a number of logical lines.
*/
int
cursor_down(n, upd_topline)
long n;
int upd_topline; /* When TRUE: update topline */
{
linenr_T lnum;
if (n > 0)
{
lnum = curwin->w_cursor.lnum;
#ifdef FEAT_FOLDING
/* Move to last line of fold, will fail if it's the end-of-file. */
(void)hasFolding(lnum, NULL, &lnum);
#endif
/* This fails if the cursor is already in the last line or would move
* beyound the last line and '-' is in 'cpoptions' */
if (lnum >= curbuf->b_ml.ml_line_count
|| (lnum + n > curbuf->b_ml.ml_line_count
&& vim_strchr(p_cpo, CPO_MINUS) != NULL))
return FAIL;
if (lnum + n >= curbuf->b_ml.ml_line_count)
lnum = curbuf->b_ml.ml_line_count;
else
#ifdef FEAT_FOLDING
if (hasAnyFolding(curwin))
{
linenr_T last;
/* count each sequence of folded lines as one logical line */
while (n--)
{
if (hasFolding(lnum, NULL, &last))
lnum = last + 1;
else
++lnum;
if (lnum >= curbuf->b_ml.ml_line_count)
break;
}
if (lnum > curbuf->b_ml.ml_line_count)
lnum = curbuf->b_ml.ml_line_count;
}
else
#endif
lnum += n;
curwin->w_cursor.lnum = lnum;
}
/* try to advance to the column we want to be at */
coladvance(curwin->w_curswant);
if (upd_topline)
update_topline(); /* make sure curwin->w_topline is valid */
return OK;
}
/*
* Stuff the last inserted text in the read buffer.
* Last_insert actually is a copy of the redo buffer, so we
* first have to remove the command.
*/
int
stuff_inserted(c, count, no_esc)
int c; /* Command character to be inserted */
long count; /* Repeat this many times */
int no_esc; /* Don't add an ESC at the end */
{
char_u *esc_ptr;
char_u *ptr;
char_u *last_ptr;
char_u last = NUL;
ptr = get_last_insert();
if (ptr == NULL)
{
EMSG(_(e_noinstext));
return FAIL;
}
/* may want to stuff the command character, to start Insert mode */
if (c != NUL)
stuffcharReadbuff(c);
if ((esc_ptr = (char_u *)vim_strrchr(ptr, ESC)) != NULL)
*esc_ptr = NUL; /* remove the ESC */
/* when the last char is either "0" or "^" it will be quoted if no ESC
* comes after it OR if it will inserted more than once and "ptr"
* starts with ^D. -- Acevedo
*/
last_ptr = (esc_ptr ? esc_ptr : ptr + STRLEN(ptr)) - 1;
if (last_ptr >= ptr && (*last_ptr == '0' || *last_ptr == '^')
&& (no_esc || (*ptr == Ctrl_D && count > 1)))
{
last = *last_ptr;
*last_ptr = NUL;
}
do
{
stuffReadbuff(ptr);
/* a trailing "0" is inserted as "<C-V>048", "^" as "<C-V>^" */
if (last)
stuffReadbuff((char_u *)(last == '0'
? IF_EB("\026\060\064\070", CTRL_V_STR "xf0")
: IF_EB("\026^", CTRL_V_STR "^")));
}
while (--count > 0);
if (last)
*last_ptr = last;
if (esc_ptr != NULL)
*esc_ptr = ESC; /* put the ESC back */
/* may want to stuff a trailing ESC, to get out of Insert mode */
if (!no_esc)
stuffcharReadbuff(ESC);
return OK;
}
char_u *
get_last_insert()
{
if (last_insert == NULL)
return NULL;
return last_insert + last_insert_skip;
}
/*
* Get last inserted string, and remove trailing <Esc>.
* Returns pointer to allocated memory (must be freed) or NULL.
*/
char_u *
get_last_insert_save()
{
char_u *s;
int len;
if (last_insert == NULL)
return NULL;
s = vim_strsave(last_insert + last_insert_skip);
if (s != NULL)
{
len = (int)STRLEN(s);
if (len > 0 && s[len - 1] == ESC) /* remove trailing ESC */
s[len - 1] = NUL;
}
return s;
}
/*
* Check the word in front of the cursor for an abbreviation.
* Called when the non-id character "c" has been entered.
* When an abbreviation is recognized it is removed from the text and
* the replacement string is inserted in typebuf.tb_buf[], followed by "c".
*/
static int
echeck_abbr(c)
int c;
{
/* Don't check for abbreviation in paste mode, when disabled and just
* after moving around with cursor keys. */
if (p_paste || no_abbr || arrow_used)
return FALSE;
return check_abbr(c, ml_get_curline(), curwin->w_cursor.col,
curwin->w_cursor.lnum == Insstart.lnum ? Insstart.col : 0);
}
/*
* replace-stack functions
*
* When replacing characters, the replaced characters are remembered for each
* new character. This is used to re-insert the old text when backspacing.
*
* There is a NUL headed list of characters for each character that is
* currently in the file after the insertion point. When BS is used, one NUL
* headed list is put back for the deleted character.
*
* For a newline, there are two NUL headed lists. One contains the characters
* that the NL replaced. The extra one stores the characters after the cursor
* that were deleted (always white space).
*
* Replace_offset is normally 0, in which case replace_push will add a new
* character at the end of the stack. If replace_offset is not 0, that many
* characters will be left on the stack above the newly inserted character.
*/
static char_u *replace_stack = NULL;
static long replace_stack_nr = 0; /* next entry in replace stack */
static long replace_stack_len = 0; /* max. number of entries */
void
replace_push(c)
int c; /* character that is replaced (NUL is none) */
{
char_u *p;
if (replace_stack_nr < replace_offset) /* nothing to do */
return;
if (replace_stack_len <= replace_stack_nr)
{
replace_stack_len += 50;
p = lalloc(sizeof(char_u) * replace_stack_len, TRUE);
if (p == NULL) /* out of memory */
{
replace_stack_len -= 50;
return;
}
if (replace_stack != NULL)
{
mch_memmove(p, replace_stack,
(size_t)(replace_stack_nr * sizeof(char_u)));
vim_free(replace_stack);
}
replace_stack = p;
}
p = replace_stack + replace_stack_nr - replace_offset;
if (replace_offset)
mch_memmove(p + 1, p, (size_t)(replace_offset * sizeof(char_u)));
*p = c;
++replace_stack_nr;
}
#if 0
/*
* call replace_push(c) with replace_offset set to the first NUL.
*/
static void
replace_push_off(c)
int c;
{
char_u *p;
p = replace_stack + replace_stack_nr;
for (replace_offset = 1; replace_offset < replace_stack_nr;
++replace_offset)
if (*--p == NUL)
break;
replace_push(c);
replace_offset = 0;
}
#endif
/*
* Pop one item from the replace stack.
* return -1 if stack empty
* return replaced character or NUL otherwise
*/
static int
replace_pop()
{
if (replace_stack_nr == 0)
return -1;
return (int)replace_stack[--replace_stack_nr];
}
/*
* Join the top two items on the replace stack. This removes to "off"'th NUL
* encountered.
*/
static void
replace_join(off)
int off; /* offset for which NUL to remove */
{
int i;
for (i = replace_stack_nr; --i >= 0; )
if (replace_stack[i] == NUL && off-- <= 0)
{
--replace_stack_nr;
mch_memmove(replace_stack + i, replace_stack + i + 1,
(size_t)(replace_stack_nr - i));
return;
}
}
/*
* Pop bytes from the replace stack until a NUL is found, and insert them
* before the cursor. Can only be used in REPLACE or VREPLACE mode.
*/
static void
replace_pop_ins()
{
int cc;
int oldState = State;
State = NORMAL; /* don't want REPLACE here */
while ((cc = replace_pop()) > 0)
{
#ifdef FEAT_MBYTE
mb_replace_pop_ins(cc);
#else
ins_char(cc);
#endif
dec_cursor();
}
State = oldState;
}
#ifdef FEAT_MBYTE
/*
* Insert bytes popped from the replace stack. "cc" is the first byte. If it
* indicates a multi-byte char, pop the other bytes too.
*/
static void
mb_replace_pop_ins(cc)
int cc;
{
int n;
char_u buf[MB_MAXBYTES];
int i;
int c;
if (has_mbyte && (n = MB_BYTE2LEN(cc)) > 1)
{
buf[0] = cc;
for (i = 1; i < n; ++i)
buf[i] = replace_pop();
ins_bytes_len(buf, n);
}
else
ins_char(cc);
if (enc_utf8)
/* Handle composing chars. */
for (;;)
{
c = replace_pop();
if (c == -1) /* stack empty */
break;
if ((n = MB_BYTE2LEN(c)) == 1)
{
/* Not a multi-byte char, put it back. */
replace_push(c);
break;
}
else
{
buf[0] = c;
for (i = 1; i < n; ++i)
buf[i] = replace_pop();
if (utf_iscomposing(utf_ptr2char(buf)))
ins_bytes_len(buf, n);
else
{
/* Not a composing char, put it back. */
for (i = n - 1; i >= 0; --i)
replace_push(buf[i]);
break;
}
}
}
}
#endif
/*
* make the replace stack empty
* (called when exiting replace mode)
*/
static void
replace_flush()
{
vim_free(replace_stack);
replace_stack = NULL;
replace_stack_len = 0;
replace_stack_nr = 0;
}
/*
* Handle doing a BS for one character.
* cc < 0: replace stack empty, just move cursor
* cc == 0: character was inserted, delete it
* cc > 0: character was replaced, put cc (first byte of original char) back
* and check for more characters to be put back
*/
static void
replace_do_bs()
{
int cc;
#ifdef FEAT_VREPLACE
int orig_len = 0;
int ins_len;
int orig_vcols = 0;
colnr_T start_vcol;
char_u *p;
int i;
int vcol;
#endif
cc = replace_pop();
if (cc > 0)
{
#ifdef FEAT_VREPLACE
if (State & VREPLACE_FLAG)
{
/* Get the number of screen cells used by the character we are
* going to delete. */
getvcol(curwin, &curwin->w_cursor, NULL, &start_vcol, NULL);
orig_vcols = chartabsize(ml_get_cursor(), start_vcol);
}
#endif
#ifdef FEAT_MBYTE
if (has_mbyte)
{
del_char(FALSE);
# ifdef FEAT_VREPLACE
if (State & VREPLACE_FLAG)
orig_len = (int)STRLEN(ml_get_cursor());
# endif
replace_push(cc);
}
else
#endif
{
pchar_cursor(cc);
#ifdef FEAT_VREPLACE
if (State & VREPLACE_FLAG)
orig_len = (int)STRLEN(ml_get_cursor()) - 1;
#endif
}
replace_pop_ins();
#ifdef FEAT_VREPLACE
if (State & VREPLACE_FLAG)
{
/* Get the number of screen cells used by the inserted characters */
p = ml_get_cursor();
ins_len = (int)STRLEN(p) - orig_len;
vcol = start_vcol;
for (i = 0; i < ins_len; ++i)
{
vcol += chartabsize(p + i, vcol);
#ifdef FEAT_MBYTE
i += (*mb_ptr2len)(p) - 1;
#endif
}
vcol -= start_vcol;
/* Delete spaces that were inserted after the cursor to keep the
* text aligned. */
curwin->w_cursor.col += ins_len;
while (vcol > orig_vcols && gchar_cursor() == ' ')
{
del_char(FALSE);
++orig_vcols;
}
curwin->w_cursor.col -= ins_len;
}
#endif
/* mark the buffer as changed and prepare for displaying */
changed_bytes(curwin->w_cursor.lnum, curwin->w_cursor.col);
}
else if (cc == 0)
(void)del_char(FALSE);
}
#ifdef FEAT_CINDENT
/*
* Return TRUE if C-indenting is on.
*/
static int
cindent_on()
{
return (!p_paste && (curbuf->b_p_cin
# ifdef FEAT_EVAL
|| *curbuf->b_p_inde != NUL
# endif
));
}
#endif
#if defined(FEAT_LISP) || defined(FEAT_CINDENT) || defined(PROTO)
/*
* Re-indent the current line, based on the current contents of it and the
* surrounding lines. Fixing the cursor position seems really easy -- I'm very
* confused what all the part that handles Control-T is doing that I'm not.
* "get_the_indent" should be get_c_indent, get_expr_indent or get_lisp_indent.
*/
void
fixthisline(get_the_indent)
int (*get_the_indent) __ARGS((void));
{
change_indent(INDENT_SET, get_the_indent(), FALSE, 0);
if (linewhite(curwin->w_cursor.lnum))
did_ai = TRUE; /* delete the indent if the line stays empty */
}
void
fix_indent()
{
if (p_paste)
return;
# ifdef FEAT_LISP
if (curbuf->b_p_lisp && curbuf->b_p_ai)
fixthisline(get_lisp_indent);
# endif
# if defined(FEAT_LISP) && defined(FEAT_CINDENT)
else
# endif
# ifdef FEAT_CINDENT
if (cindent_on())
do_c_expr_indent();
# endif
}
#endif
#ifdef FEAT_CINDENT
/*
* return TRUE if 'cinkeys' contains the key "keytyped",
* when == '*': Only if key is preceded with '*' (indent before insert)
* when == '!': Only if key is prededed with '!' (don't insert)
* when == ' ': Only if key is not preceded with '*'(indent afterwards)
*
* "keytyped" can have a few special values:
* KEY_OPEN_FORW
* KEY_OPEN_BACK
* KEY_COMPLETE just finished completion.
*
* If line_is_empty is TRUE accept keys with '0' before them.
*/
int
in_cinkeys(keytyped, when, line_is_empty)
int keytyped;
int when;
int line_is_empty;
{
char_u *look;
int try_match;
int try_match_word;
char_u *p;
char_u *line;
int icase;
int i;
#ifdef FEAT_EVAL
if (*curbuf->b_p_inde != NUL)
look = curbuf->b_p_indk; /* 'indentexpr' set: use 'indentkeys' */
else
#endif
look = curbuf->b_p_cink; /* 'indentexpr' empty: use 'cinkeys' */
while (*look)
{
/*
* Find out if we want to try a match with this key, depending on
* 'when' and a '*' or '!' before the key.
*/
switch (when)
{
case '*': try_match = (*look == '*'); break;
case '!': try_match = (*look == '!'); break;
default: try_match = (*look != '*'); break;
}
if (*look == '*' || *look == '!')
++look;
/*
* If there is a '0', only accept a match if the line is empty.
* But may still match when typing last char of a word.
*/
if (*look == '0')
{
try_match_word = try_match;
if (!line_is_empty)
try_match = FALSE;
++look;
}
else
try_match_word = FALSE;
/*
* does it look like a control character?
*/
if (*look == '^'
#ifdef EBCDIC
&& (Ctrl_chr(look[1]) != 0)
#else
&& look[1] >= '?' && look[1] <= '_'
#endif
)
{
if (try_match && keytyped == Ctrl_chr(look[1]))
return TRUE;
look += 2;
}
/*
* 'o' means "o" command, open forward.
* 'O' means "O" command, open backward.
*/
else if (*look == 'o')
{
if (try_match && keytyped == KEY_OPEN_FORW)
return TRUE;
++look;
}
else if (*look == 'O')
{
if (try_match && keytyped == KEY_OPEN_BACK)
return TRUE;
++look;
}
/*
* 'e' means to check for "else" at start of line and just before the
* cursor.
*/
else if (*look == 'e')
{
if (try_match && keytyped == 'e' && curwin->w_cursor.col >= 4)
{
p = ml_get_curline();
if (skipwhite(p) == p + curwin->w_cursor.col - 4 &&
STRNCMP(p + curwin->w_cursor.col - 4, "else", 4) == 0)
return TRUE;
}
++look;
}
/*
* ':' only causes an indent if it is at the end of a label or case
* statement, or when it was before typing the ':' (to fix
* class::method for C++).
*/
else if (*look == ':')
{
if (try_match && keytyped == ':')
{
p = ml_get_curline();
if (cin_iscase(p) || cin_isscopedecl(p) || cin_islabel(30))
return TRUE;
if (curwin->w_cursor.col > 2
&& p[curwin->w_cursor.col - 1] == ':'
&& p[curwin->w_cursor.col - 2] == ':')
{
p[curwin->w_cursor.col - 1] = ' ';
i = (cin_iscase(p) || cin_isscopedecl(p)
|| cin_islabel(30));
p = ml_get_curline();
p[curwin->w_cursor.col - 1] = ':';
if (i)
return TRUE;
}
}
++look;
}
/*
* Is it a key in <>, maybe?
*/
else if (*look == '<')
{
if (try_match)
{
/*
* make up some named keys <o>, <O>, <e>, <0>, <>>, <<>, <*>,
* <:> and <!> so that people can re-indent on o, O, e, 0, <,
* >, *, : and ! keys if they really really want to.
*/
if (vim_strchr((char_u *)"<>!*oOe0:", look[1]) != NULL
&& keytyped == look[1])
return TRUE;
if (keytyped == get_special_key_code(look + 1))
return TRUE;
}
while (*look && *look != '>')
look++;
while (*look == '>')
look++;
}
/*
* Is it a word: "=word"?
*/
else if (*look == '=' && look[1] != ',' && look[1] != NUL)
{
++look;
if (*look == '~')
{
icase = TRUE;
++look;
}
else
icase = FALSE;
p = vim_strchr(look, ',');
if (p == NULL)
p = look + STRLEN(look);
if ((try_match || try_match_word)
&& curwin->w_cursor.col >= (colnr_T)(p - look))
{
int match = FALSE;
#ifdef FEAT_INS_EXPAND
if (keytyped == KEY_COMPLETE)
{
char_u *s;
/* Just completed a word, check if it starts with "look".
* search back for the start of a word. */
line = ml_get_curline();
# ifdef FEAT_MBYTE
if (has_mbyte)
{
char_u *n;
for (s = line + curwin->w_cursor.col; s > line; s = n)
{
n = mb_prevptr(line, s);
if (!vim_iswordp(n))
break;
}
}
else
# endif
for (s = line + curwin->w_cursor.col; s > line; --s)
if (!vim_iswordc(s[-1]))
break;
if (s + (p - look) <= line + curwin->w_cursor.col
&& (icase
? MB_STRNICMP(s, look, p - look)
: STRNCMP(s, look, p - look)) == 0)
match = TRUE;
}
else
#endif
/* TODO: multi-byte */
if (keytyped == (int)p[-1] || (icase && keytyped < 256
&& TOLOWER_LOC(keytyped) == TOLOWER_LOC((int)p[-1])))
{
line = ml_get_cursor();
if ((curwin->w_cursor.col == (colnr_T)(p - look)
|| !vim_iswordc(line[-(p - look) - 1]))
&& (icase
? MB_STRNICMP(line - (p - look), look, p - look)
: STRNCMP(line - (p - look), look, p - look))
== 0)
match = TRUE;
}
if (match && try_match_word && !try_match)
{
/* "0=word": Check if there are only blanks before the
* word. */
line = ml_get_curline();
if ((int)(skipwhite(line) - line) !=
(int)(curwin->w_cursor.col - (p - look)))
match = FALSE;
}
if (match)
return TRUE;
}
look = p;
}
/*
* ok, it's a boring generic character.
*/
else
{
if (try_match && *look == keytyped)
return TRUE;
++look;
}
/*
* Skip over ", ".
*/
look = skip_to_option_part(look);
}
return FALSE;
}
#endif /* FEAT_CINDENT */
#if defined(FEAT_RIGHTLEFT) || defined(PROTO)
/*
* Map Hebrew keyboard when in hkmap mode.
*/
int
hkmap(c)
int c;
{
if (p_hkmapp) /* phonetic mapping, by Ilya Dogolazky */
{
enum {hALEF=0, BET, GIMEL, DALET, HEI, VAV, ZAIN, HET, TET, IUD,
KAFsofit, hKAF, LAMED, MEMsofit, MEM, NUNsofit, NUN, SAMEH, AIN,
PEIsofit, PEI, ZADIsofit, ZADI, KOF, RESH, hSHIN, TAV};
static char_u map[26] =
{(char_u)hALEF/*a*/, (char_u)BET /*b*/, (char_u)hKAF /*c*/,
(char_u)DALET/*d*/, (char_u)-1 /*e*/, (char_u)PEIsofit/*f*/,
(char_u)GIMEL/*g*/, (char_u)HEI /*h*/, (char_u)IUD /*i*/,
(char_u)HET /*j*/, (char_u)KOF /*k*/, (char_u)LAMED /*l*/,
(char_u)MEM /*m*/, (char_u)NUN /*n*/, (char_u)SAMEH /*o*/,
(char_u)PEI /*p*/, (char_u)-1 /*q*/, (char_u)RESH /*r*/,
(char_u)ZAIN /*s*/, (char_u)TAV /*t*/, (char_u)TET /*u*/,
(char_u)VAV /*v*/, (char_u)hSHIN/*w*/, (char_u)-1 /*x*/,
(char_u)AIN /*y*/, (char_u)ZADI /*z*/};
if (c == 'N' || c == 'M' || c == 'P' || c == 'C' || c == 'Z')
return (int)(map[CharOrd(c)] - 1 + p_aleph);
/* '-1'='sofit' */
else if (c == 'x')
return 'X';
else if (c == 'q')
return '\''; /* {geresh}={'} */
else if (c == 246)
return ' '; /* \"o --> ' ' for a german keyboard */
else if (c == 228)
return ' '; /* \"a --> ' ' -- / -- */
else if (c == 252)
return ' '; /* \"u --> ' ' -- / -- */
#ifdef EBCDIC
else if (islower(c))
#else
/* NOTE: islower() does not do the right thing for us on Linux so we
* do this the same was as 5.7 and previous, so it works correctly on
* all systems. Specifically, the e.g. Delete and Arrow keys are
* munged and won't work if e.g. searching for Hebrew text.
*/
else if (c >= 'a' && c <= 'z')
#endif
return (int)(map[CharOrdLow(c)] + p_aleph);
else
return c;
}
else
{
switch (c)
{
case '`': return ';';
case '/': return '.';
case '\'': return ',';
case 'q': return '/';
case 'w': return '\'';
/* Hebrew letters - set offset from 'a' */
case ',': c = '{'; break;
case '.': c = 'v'; break;
case ';': c = 't'; break;
default: {
static char str[] = "zqbcxlsjphmkwonu ydafe rig";
#ifdef EBCDIC
/* see note about islower() above */
if (!islower(c))
#else
if (c < 'a' || c > 'z')
#endif
return c;
c = str[CharOrdLow(c)];
break;
}
}
return (int)(CharOrdLow(c) + p_aleph);
}
}
#endif
static void
ins_reg()
{
int need_redraw = FALSE;
int regname;
int literally = 0;
#ifdef FEAT_VISUAL
int vis_active = VIsual_active;
#endif
/*
* If we are going to wait for a character, show a '"'.
*/
pc_status = PC_STATUS_UNSET;
if (redrawing() && !char_avail())
{
/* may need to redraw when no more chars available now */
ins_redraw(FALSE);
edit_putchar('"', TRUE);
#ifdef FEAT_CMDL_INFO
add_to_showcmd_c(Ctrl_R);
#endif
}
#ifdef USE_ON_FLY_SCROLL
dont_scroll = TRUE; /* disallow scrolling here */
#endif
/*
* Don't map the register name. This also prevents the mode message to be
* deleted when ESC is hit.
*/
++no_mapping;
regname = safe_vgetc();
#ifdef FEAT_LANGMAP
LANGMAP_ADJUST(regname, TRUE);
#endif
if (regname == Ctrl_R || regname == Ctrl_O || regname == Ctrl_P)
{
/* Get a third key for literal register insertion */
literally = regname;
#ifdef FEAT_CMDL_INFO
add_to_showcmd_c(literally);
#endif
regname = safe_vgetc();
#ifdef FEAT_LANGMAP
LANGMAP_ADJUST(regname, TRUE);
#endif
}
--no_mapping;
#ifdef FEAT_EVAL
/*
* Don't call u_sync() while getting the expression,
* evaluating it or giving an error message for it!
*/
++no_u_sync;
if (regname == '=')
{
# ifdef USE_IM_CONTROL
int im_on = im_get_status();
# endif
regname = get_expr_register();
# ifdef USE_IM_CONTROL
/* Restore the Input Method. */
if (im_on)
im_set_active(TRUE);
# endif
}
if (regname == NUL || !valid_yank_reg(regname, FALSE))
{
vim_beep();
need_redraw = TRUE; /* remove the '"' */
}
else
{
#endif
if (literally == Ctrl_O || literally == Ctrl_P)
{
/* Append the command to the redo buffer. */
AppendCharToRedobuff(Ctrl_R);
AppendCharToRedobuff(literally);
AppendCharToRedobuff(regname);
do_put(regname, BACKWARD, 1L,
(literally == Ctrl_P ? PUT_FIXINDENT : 0) | PUT_CURSEND);
}
else if (insert_reg(regname, literally) == FAIL)
{
vim_beep();
need_redraw = TRUE; /* remove the '"' */
}
else if (stop_insert_mode)
/* When the '=' register was used and a function was invoked that
* did ":stopinsert" then stuff_empty() returns FALSE but we won't
* insert anything, need to remove the '"' */
need_redraw = TRUE;
#ifdef FEAT_EVAL
}
--no_u_sync;
#endif
#ifdef FEAT_CMDL_INFO
clear_showcmd();
#endif
/* If the inserted register is empty, we need to remove the '"' */
if (need_redraw || stuff_empty())
edit_unputchar();
#ifdef FEAT_VISUAL
/* Disallow starting Visual mode here, would get a weird mode. */
if (!vis_active && VIsual_active)
end_visual_mode();
#endif
}
/*
* CTRL-G commands in Insert mode.
*/
static void
ins_ctrl_g()
{
int c;
#ifdef FEAT_INS_EXPAND
/* Right after CTRL-X the cursor will be after the ruler. */
setcursor();
#endif
/*
* Don't map the second key. This also prevents the mode message to be
* deleted when ESC is hit.
*/
++no_mapping;
c = safe_vgetc();
--no_mapping;
switch (c)
{
/* CTRL-G k and CTRL-G <Up>: cursor up to Insstart.col */
case K_UP:
case Ctrl_K:
case 'k': ins_up(TRUE);
break;
/* CTRL-G j and CTRL-G <Down>: cursor down to Insstart.col */
case K_DOWN:
case Ctrl_J:
case 'j': ins_down(TRUE);
break;
/* CTRL-G u: start new undoable edit */
case 'u': u_sync(TRUE);
ins_need_undo = TRUE;
/* Need to reset Insstart, esp. because a BS that joins
* a line to the previous one must save for undo. */
Insstart = curwin->w_cursor;
break;
/* Unknown CTRL-G command, reserved for future expansion. */
default: vim_beep();
}
}
/*
* CTRL-^ in Insert mode.
*/
static void
ins_ctrl_hat()
{
if (map_to_exists_mode((char_u *)"", LANGMAP, FALSE))
{
/* ":lmap" mappings exists, Toggle use of ":lmap" mappings. */
if (State & LANGMAP)
{
curbuf->b_p_iminsert = B_IMODE_NONE;
State &= ~LANGMAP;
}
else
{
curbuf->b_p_iminsert = B_IMODE_LMAP;
State |= LANGMAP;
#ifdef USE_IM_CONTROL
im_set_active(FALSE);
#endif
}
}
#ifdef USE_IM_CONTROL
else
{
/* There are no ":lmap" mappings, toggle IM */
if (im_get_status())
{
curbuf->b_p_iminsert = B_IMODE_NONE;
im_set_active(FALSE);
}
else
{
curbuf->b_p_iminsert = B_IMODE_IM;
State &= ~LANGMAP;
im_set_active(TRUE);
}
}
#endif
set_iminsert_global();
showmode();
#ifdef FEAT_GUI
/* may show different cursor shape or color */
if (gui.in_use)
gui_update_cursor(TRUE, FALSE);
#endif
#if defined(FEAT_WINDOWS) && defined(FEAT_KEYMAP)
/* Show/unshow value of 'keymap' in status lines. */
status_redraw_curbuf();
#endif
}
/*
* Handle ESC in insert mode.
* Returns TRUE when leaving insert mode, FALSE when going to repeat the
* insert.
*/
static int
ins_esc(count, cmdchar, nomove)
long *count;
int cmdchar;
int nomove; /* don't move cursor */
{
int temp;
static int disabled_redraw = FALSE;
#ifdef FEAT_SPELL
check_spell_redraw();
#endif
#if defined(FEAT_HANGULIN)
# if defined(ESC_CHG_TO_ENG_MODE)
hangul_input_state_set(0);
# endif
if (composing_hangul)
{
push_raw_key(composing_hangul_buffer, 2);
composing_hangul = 0;
}
#endif
temp = curwin->w_cursor.col;
if (disabled_redraw)
{
--RedrawingDisabled;
disabled_redraw = FALSE;
}
if (!arrow_used)
{
/*
* Don't append the ESC for "r<CR>" and "grx".
* When 'insertmode' is set only CTRL-L stops Insert mode. Needed for
* when "count" is non-zero.
*/
if (cmdchar != 'r' && cmdchar != 'v')
AppendToRedobuff(p_im ? (char_u *)"\014" : ESC_STR);
/*
* Repeating insert may take a long time. Check for
* interrupt now and then.
*/
if (*count > 0)
{
line_breakcheck();
if (got_int)
*count = 0;
}
if (--*count > 0) /* repeat what was typed */
{
/* Vi repeats the insert without replacing characters. */
if (vim_strchr(p_cpo, CPO_REPLCNT) != NULL)
State &= ~REPLACE_FLAG;
(void)start_redo_ins();
if (cmdchar == 'r' || cmdchar == 'v')
stuffReadbuff(ESC_STR); /* no ESC in redo buffer */
++RedrawingDisabled;
disabled_redraw = TRUE;
return FALSE; /* repeat the insert */
}
stop_insert(&curwin->w_cursor, TRUE);
undisplay_dollar();
}
/* When an autoindent was removed, curswant stays after the
* indent */
if (restart_edit == NUL && (colnr_T)temp == curwin->w_cursor.col)
curwin->w_set_curswant = TRUE;
/* Remember the last Insert position in the '^ mark. */
if (!cmdmod.keepjumps)
curbuf->b_last_insert = curwin->w_cursor;
/*
* The cursor should end up on the last inserted character.
* Don't do it for CTRL-O, unless past the end of the line.
*/
if (!nomove
&& (curwin->w_cursor.col != 0
#ifdef FEAT_VIRTUALEDIT
|| curwin->w_cursor.coladd > 0
#endif
)
&& (restart_edit == NUL
|| (gchar_cursor() == NUL
#ifdef FEAT_VISUAL
&& !VIsual_active
#endif
))
#ifdef FEAT_RIGHTLEFT
&& !revins_on
#endif
)
{
#ifdef FEAT_VIRTUALEDIT
if (curwin->w_cursor.coladd > 0 || ve_flags == VE_ALL)
{
oneleft();
if (restart_edit != NUL)
++curwin->w_cursor.coladd;
}
else
#endif
{
--curwin->w_cursor.col;
#ifdef FEAT_MBYTE
/* Correct cursor for multi-byte character. */
if (has_mbyte)
mb_adjust_cursor();
#endif
}
}
#ifdef USE_IM_CONTROL
/* Disable IM to allow typing English directly for Normal mode commands.
* When ":lmap" is enabled don't change 'iminsert' (IM can be enabled as
* well). */
if (!(State & LANGMAP))
im_save_status(&curbuf->b_p_iminsert);
im_set_active(FALSE);
#endif
State = NORMAL;
/* need to position cursor again (e.g. when on a TAB ) */
changed_cline_bef_curs();
#ifdef FEAT_MOUSE
setmouse();
#endif
#ifdef CURSOR_SHAPE
ui_cursor_shape(); /* may show different cursor shape */
#endif
/*
* When recording or for CTRL-O, need to display the new mode.
* Otherwise remove the mode message.
*/
if (Recording || restart_edit != NUL)
showmode();
else if (p_smd)
MSG("");
return TRUE; /* exit Insert mode */
}
#ifdef FEAT_RIGHTLEFT
/*
* Toggle language: hkmap and revins_on.
* Move to end of reverse inserted text.
*/
static void
ins_ctrl_()
{
if (revins_on && revins_chars && revins_scol >= 0)
{
while (gchar_cursor() != NUL && revins_chars--)
++curwin->w_cursor.col;
}
p_ri = !p_ri;
revins_on = (State == INSERT && p_ri);
if (revins_on)
{
revins_scol = curwin->w_cursor.col;
revins_legal++;
revins_chars = 0;
undisplay_dollar();
}
else
revins_scol = -1;
#ifdef FEAT_FKMAP
if (p_altkeymap)
{
/*
* to be consistent also for redo command, using '.'
* set arrow_used to true and stop it - causing to redo
* characters entered in one mode (normal/reverse insert).
*/
arrow_used = TRUE;
(void)stop_arrow();
p_fkmap = curwin->w_p_rl ^ p_ri;
if (p_fkmap && p_ri)
State = INSERT;
}
else
#endif
p_hkmap = curwin->w_p_rl ^ p_ri; /* be consistent! */
showmode();
}
#endif
#ifdef FEAT_VISUAL
/*
* If 'keymodel' contains "startsel", may start selection.
* Returns TRUE when a CTRL-O and other keys stuffed.
*/
static int
ins_start_select(c)
int c;
{
if (km_startsel)
switch (c)
{
case K_KHOME:
case K_KEND:
case K_PAGEUP:
case K_KPAGEUP:
case K_PAGEDOWN:
case K_KPAGEDOWN:
# ifdef MACOS
case K_LEFT:
case K_RIGHT:
case K_UP:
case K_DOWN:
case K_END:
case K_HOME:
# endif
if (!(mod_mask & MOD_MASK_SHIFT))
break;
/* FALLTHROUGH */
case K_S_LEFT:
case K_S_RIGHT:
case K_S_UP:
case K_S_DOWN:
case K_S_END:
case K_S_HOME:
/* Start selection right away, the cursor can move with
* CTRL-O when beyond the end of the line. */
start_selection();
/* Execute the key in (insert) Select mode. */
stuffcharReadbuff(Ctrl_O);
if (mod_mask)
{
char_u buf[4];
buf[0] = K_SPECIAL;
buf[1] = KS_MODIFIER;
buf[2] = mod_mask;
buf[3] = NUL;
stuffReadbuff(buf);
}
stuffcharReadbuff(c);
return TRUE;
}
return FALSE;
}
#endif
/*
* <Insert> key in Insert mode: toggle insert/remplace mode.
*/
static void
ins_insert(replaceState)
int replaceState;
{
#ifdef FEAT_FKMAP
if (p_fkmap && p_ri)
{
beep_flush();
EMSG(farsi_text_3); /* encoded in Farsi */
return;
}
#endif
#ifdef FEAT_AUTOCMD
# ifdef FEAT_EVAL
set_vim_var_string(VV_INSERTMODE,
(char_u *)((State & REPLACE_FLAG) ? "i" :
# ifdef FEAT_VREPLACE
replaceState == VREPLACE ? "v" :
# endif
"r"), 1);
# endif
apply_autocmds(EVENT_INSERTCHANGE, NULL, NULL, FALSE, curbuf);
#endif
if (State & REPLACE_FLAG)
State = INSERT | (State & LANGMAP);
else
State = replaceState | (State & LANGMAP);
AppendCharToRedobuff(K_INS);
showmode();
#ifdef CURSOR_SHAPE
ui_cursor_shape(); /* may show different cursor shape */
#endif
}
/*
* Pressed CTRL-O in Insert mode.
*/
static void
ins_ctrl_o()
{
#ifdef FEAT_VREPLACE
if (State & VREPLACE_FLAG)
restart_edit = 'V';
else
#endif
if (State & REPLACE_FLAG)
restart_edit = 'R';
else
restart_edit = 'I';
#ifdef FEAT_VIRTUALEDIT
if (virtual_active())
ins_at_eol = FALSE; /* cursor always keeps its column */
else
#endif
ins_at_eol = (gchar_cursor() == NUL);
}
/*
* If the cursor is on an indent, ^T/^D insert/delete one
* shiftwidth. Otherwise ^T/^D behave like a "<<" or ">>".
* Always round the indent to 'shiftwith', this is compatible
* with vi. But vi only supports ^T and ^D after an
* autoindent, we support it everywhere.
*/
static void
ins_shift(c, lastc)
int c;
int lastc;
{
if (stop_arrow() == FAIL)
return;
AppendCharToRedobuff(c);
/*
* 0^D and ^^D: remove all indent.
*/
if ((lastc == '0' || lastc == '^') && curwin->w_cursor.col)
{
--curwin->w_cursor.col;
(void)del_char(FALSE); /* delete the '^' or '0' */
/* In Replace mode, restore the characters that '^' or '0' replaced. */
if (State & REPLACE_FLAG)
replace_pop_ins();
if (lastc == '^')
old_indent = get_indent(); /* remember curr. indent */
change_indent(INDENT_SET, 0, TRUE, 0);
}
else
change_indent(c == Ctrl_D ? INDENT_DEC : INDENT_INC, 0, TRUE, 0);
if (did_ai && *skipwhite(ml_get_curline()) != NUL)
did_ai = FALSE;
#ifdef FEAT_SMARTINDENT
did_si = FALSE;
can_si = FALSE;
can_si_back = FALSE;
#endif
#ifdef FEAT_CINDENT
can_cindent = FALSE; /* no cindenting after ^D or ^T */
#endif
}
static void
ins_del()
{
int temp;
if (stop_arrow() == FAIL)
return;
if (gchar_cursor() == NUL) /* delete newline */
{
temp = curwin->w_cursor.col;
if (!can_bs(BS_EOL) /* only if "eol" included */
|| u_save((linenr_T)(curwin->w_cursor.lnum - 1),
(linenr_T)(curwin->w_cursor.lnum + 2)) == FAIL
|| do_join(FALSE) == FAIL)
vim_beep();
else
curwin->w_cursor.col = temp;
}
else if (del_char(FALSE) == FAIL) /* delete char under cursor */
vim_beep();
did_ai = FALSE;
#ifdef FEAT_SMARTINDENT
did_si = FALSE;
can_si = FALSE;
can_si_back = FALSE;
#endif
AppendCharToRedobuff(K_DEL);
}
/*
* Handle Backspace, delete-word and delete-line in Insert mode.
* Return TRUE when backspace was actually used.
*/
static int
ins_bs(c, mode, inserted_space_p)
int c;
int mode;
int *inserted_space_p;
{
linenr_T lnum;
int cc;
int temp = 0; /* init for GCC */
colnr_T mincol;
int did_backspace = FALSE;
int in_indent;
int oldState;
#ifdef FEAT_MBYTE
int cpc[MAX_MCO]; /* composing characters */
#endif
/*
* can't delete anything in an empty file
* can't backup past first character in buffer
* can't backup past starting point unless 'backspace' > 1
* can backup to a previous line if 'backspace' == 0
*/
if ( bufempty()
|| (
#ifdef FEAT_RIGHTLEFT
!revins_on &&
#endif
((curwin->w_cursor.lnum == 1 && curwin->w_cursor.col == 0)
|| (!can_bs(BS_START)
&& (arrow_used
|| (curwin->w_cursor.lnum == Insstart.lnum
&& curwin->w_cursor.col <= Insstart.col)))
|| (!can_bs(BS_INDENT) && !arrow_used && ai_col > 0
&& curwin->w_cursor.col <= ai_col)
|| (!can_bs(BS_EOL) && curwin->w_cursor.col == 0))))
{
vim_beep();
return FALSE;
}
if (stop_arrow() == FAIL)
return FALSE;
in_indent = inindent(0);
#ifdef FEAT_CINDENT
if (in_indent)
can_cindent = FALSE;
#endif
#ifdef FEAT_COMMENTS
end_comment_pending = NUL; /* After BS, don't auto-end comment */
#endif
#ifdef FEAT_RIGHTLEFT
if (revins_on) /* put cursor after last inserted char */
inc_cursor();
#endif
#ifdef FEAT_VIRTUALEDIT
/* Virtualedit:
* BACKSPACE_CHAR eats a virtual space
* BACKSPACE_WORD eats all coladd
* BACKSPACE_LINE eats all coladd and keeps going
*/
if (curwin->w_cursor.coladd > 0)
{
if (mode == BACKSPACE_CHAR)
{
--curwin->w_cursor.coladd;
return TRUE;
}
if (mode == BACKSPACE_WORD)
{
curwin->w_cursor.coladd = 0;
return TRUE;
}
curwin->w_cursor.coladd = 0;
}
#endif
/*
* delete newline!
*/
if (curwin->w_cursor.col == 0)
{
lnum = Insstart.lnum;
if (curwin->w_cursor.lnum == Insstart.lnum
#ifdef FEAT_RIGHTLEFT
|| revins_on
#endif
)
{
if (u_save((linenr_T)(curwin->w_cursor.lnum - 2),
(linenr_T)(curwin->w_cursor.lnum + 1)) == FAIL)
return FALSE;
--Insstart.lnum;
Insstart.col = MAXCOL;
}
/*
* In replace mode:
* cc < 0: NL was inserted, delete it
* cc >= 0: NL was replaced, put original characters back
*/
cc = -1;
if (State & REPLACE_FLAG)
cc = replace_pop(); /* returns -1 if NL was inserted */
/*
* In replace mode, in the line we started replacing, we only move the
* cursor.
*/
if ((State & REPLACE_FLAG) && curwin->w_cursor.lnum <= lnum)
{
dec_cursor();
}
else
{
#ifdef FEAT_VREPLACE
if (!(State & VREPLACE_FLAG)
|| curwin->w_cursor.lnum > orig_line_count)
#endif
{
temp = gchar_cursor(); /* remember current char */
--curwin->w_cursor.lnum;
/* When "aw" is in 'formatoptions' we must delete the space at
* the end of the line, otherwise the line will be broken
* again when auto-formatting. */
if (has_format_option(FO_AUTO)
&& has_format_option(FO_WHITE_PAR))
{
char_u *ptr = ml_get_buf(curbuf, curwin->w_cursor.lnum,
TRUE);
int len;
len = (int)STRLEN(ptr);
if (len > 0 && ptr[len - 1] == ' ')
ptr[len - 1] = NUL;
}
(void)do_join(FALSE);
if (temp == NUL && gchar_cursor() != NUL)
inc_cursor();
}
#ifdef FEAT_VREPLACE
else
dec_cursor();
#endif
/*
* In REPLACE mode we have to put back the text that was replaced
* by the NL. On the replace stack is first a NUL-terminated
* sequence of characters that were deleted and then the
* characters that NL replaced.
*/
if (State & REPLACE_FLAG)
{
/*
* Do the next ins_char() in NORMAL state, to
* prevent ins_char() from replacing characters and
* avoiding showmatch().
*/
oldState = State;
State = NORMAL;
/*
* restore characters (blanks) deleted after cursor
*/
while (cc > 0)
{
temp = curwin->w_cursor.col;
#ifdef FEAT_MBYTE
mb_replace_pop_ins(cc);
#else
ins_char(cc);
#endif
curwin->w_cursor.col = temp;
cc = replace_pop();
}
/* restore the characters that NL replaced */
replace_pop_ins();
State = oldState;
}
}
did_ai = FALSE;
}
else
{
/*
* Delete character(s) before the cursor.
*/
#ifdef FEAT_RIGHTLEFT
if (revins_on) /* put cursor on last inserted char */
dec_cursor();
#endif
mincol = 0;
/* keep indent */
if (mode == BACKSPACE_LINE
&& (curbuf->b_p_ai
#ifdef FEAT_CINDENT
|| cindent_on()
#endif
)
#ifdef FEAT_RIGHTLEFT
&& !revins_on
#endif
)
{
temp = curwin->w_cursor.col;
beginline(BL_WHITE);
if (curwin->w_cursor.col < (colnr_T)temp)
mincol = curwin->w_cursor.col;
curwin->w_cursor.col = temp;
}
/*
* Handle deleting one 'shiftwidth' or 'softtabstop'.
*/
if ( mode == BACKSPACE_CHAR
&& ((p_sta && in_indent)
|| (curbuf->b_p_sts != 0
&& (*(ml_get_cursor() - 1) == TAB
|| (*(ml_get_cursor() - 1) == ' '
&& (!*inserted_space_p
|| arrow_used))))))
{
int ts;
colnr_T vcol;
colnr_T want_vcol;
#if 0
int extra = 0;
#endif
*inserted_space_p = FALSE;
if (p_sta && in_indent)
ts = curbuf->b_p_sw;
else
ts = curbuf->b_p_sts;
/* Compute the virtual column where we want to be. Since
* 'showbreak' may get in the way, need to get the last column of
* the previous character. */
getvcol(curwin, &curwin->w_cursor, &vcol, NULL, NULL);
dec_cursor();
getvcol(curwin, &curwin->w_cursor, NULL, NULL, &want_vcol);
inc_cursor();
want_vcol = (want_vcol / ts) * ts;
/* delete characters until we are at or before want_vcol */
while (vcol > want_vcol
&& (cc = *(ml_get_cursor() - 1), vim_iswhite(cc)))
{
dec_cursor();
getvcol(curwin, &curwin->w_cursor, &vcol, NULL, NULL);
if (State & REPLACE_FLAG)
{
/* Don't delete characters before the insert point when in
* Replace mode */
if (curwin->w_cursor.lnum != Insstart.lnum
|| curwin->w_cursor.col >= Insstart.col)
{
#if 0 /* what was this for? It causes problems when sw != ts. */
if (State == REPLACE && (int)vcol < want_vcol)
{
(void)del_char(FALSE);
extra = 2; /* don't pop too much */
}
else
#endif
replace_do_bs();
}
}
else
(void)del_char(FALSE);
}
/* insert extra spaces until we are at want_vcol */
while (vcol < want_vcol)
{
/* Remember the first char we inserted */
if (curwin->w_cursor.lnum == Insstart.lnum
&& curwin->w_cursor.col < Insstart.col)
Insstart.col = curwin->w_cursor.col;
#ifdef FEAT_VREPLACE
if (State & VREPLACE_FLAG)
ins_char(' ');
else
#endif
{
ins_str((char_u *)" ");
if ((State & REPLACE_FLAG) /* && extra <= 1 */)
{
#if 0
if (extra)
replace_push_off(NUL);
else
#endif
replace_push(NUL);
}
#if 0
if (extra == 2)
extra = 1;
#endif
}
getvcol(curwin, &curwin->w_cursor, &vcol, NULL, NULL);
}
}
/*
* Delete upto starting point, start of line or previous word.
*/
else do
{
#ifdef FEAT_RIGHTLEFT
if (!revins_on) /* put cursor on char to be deleted */
#endif
dec_cursor();
/* start of word? */
if (mode == BACKSPACE_WORD && !vim_isspace(gchar_cursor()))
{
mode = BACKSPACE_WORD_NOT_SPACE;
temp = vim_iswordc(gchar_cursor());
}
/* end of word? */
else if (mode == BACKSPACE_WORD_NOT_SPACE
&& (vim_isspace(cc = gchar_cursor())
|| vim_iswordc(cc) != temp))
{
#ifdef FEAT_RIGHTLEFT
if (!revins_on)
#endif
inc_cursor();
#ifdef FEAT_RIGHTLEFT
else if (State & REPLACE_FLAG)
dec_cursor();
#endif
break;
}
if (State & REPLACE_FLAG)
replace_do_bs();
else
{
#ifdef FEAT_MBYTE
if (enc_utf8 && p_deco)
(void)utfc_ptr2char(ml_get_cursor(), cpc);
#endif
(void)del_char(FALSE);
#ifdef FEAT_MBYTE
/*
* If there are combining characters and 'delcombine' is set
* move the cursor back. Don't back up before the base
* character.
*/
if (enc_utf8 && p_deco && cpc[0] != NUL)
inc_cursor();
#endif
#ifdef FEAT_RIGHTLEFT
if (revins_chars)
{
revins_chars--;
revins_legal++;
}
if (revins_on && gchar_cursor() == NUL)
break;
#endif
}
/* Just a single backspace?: */
if (mode == BACKSPACE_CHAR)
break;
} while (
#ifdef FEAT_RIGHTLEFT
revins_on ||
#endif
(curwin->w_cursor.col > mincol
&& (curwin->w_cursor.lnum != Insstart.lnum
|| curwin->w_cursor.col != Insstart.col)));
did_backspace = TRUE;
}
#ifdef FEAT_SMARTINDENT
did_si = FALSE;
can_si = FALSE;
can_si_back = FALSE;
#endif
if (curwin->w_cursor.col <= 1)
did_ai = FALSE;
/*
* It's a little strange to put backspaces into the redo
* buffer, but it makes auto-indent a lot easier to deal
* with.
*/
AppendCharToRedobuff(c);
/* If deleted before the insertion point, adjust it */
if (curwin->w_cursor.lnum == Insstart.lnum
&& curwin->w_cursor.col < Insstart.col)
Insstart.col = curwin->w_cursor.col;
/* vi behaviour: the cursor moves backward but the character that
* was there remains visible
* Vim behaviour: the cursor moves backward and the character that
* was there is erased from the screen.
* We can emulate the vi behaviour by pretending there is a dollar
* displayed even when there isn't.
* --pkv Sun Jan 19 01:56:40 EST 2003 */
if (vim_strchr(p_cpo, CPO_BACKSPACE) != NULL && dollar_vcol == 0)
dollar_vcol = curwin->w_virtcol;
return did_backspace;
}
#ifdef FEAT_MOUSE
static void
ins_mouse(c)
int c;
{
pos_T tpos;
win_T *old_curwin = curwin;
# ifdef FEAT_GUI
/* When GUI is active, also move/paste when 'mouse' is empty */
if (!gui.in_use)
# endif
if (!mouse_has(MOUSE_INSERT))
return;
undisplay_dollar();
tpos = curwin->w_cursor;
if (do_mouse(NULL, c, BACKWARD, 1L, 0))
{
#ifdef FEAT_WINDOWS
win_T *new_curwin = curwin;
if (curwin != old_curwin && win_valid(old_curwin))
{
/* Mouse took us to another window. We need to go back to the
* previous one to stop insert there properly. */
curwin = old_curwin;
curbuf = curwin->w_buffer;
}
#endif
start_arrow(curwin == old_curwin ? &tpos : NULL);
#ifdef FEAT_WINDOWS
if (curwin != new_curwin && win_valid(new_curwin))
{
curwin = new_curwin;
curbuf = curwin->w_buffer;
}
#endif
# ifdef FEAT_CINDENT
can_cindent = TRUE;
# endif
}
#ifdef FEAT_WINDOWS
/* redraw status lines (in case another window became active) */
redraw_statuslines();
#endif
}
static void
ins_mousescroll(up)
int up;
{
pos_T tpos;
# if defined(FEAT_GUI) && defined(FEAT_WINDOWS)
win_T *old_curwin;
# endif
tpos = curwin->w_cursor;
# if defined(FEAT_GUI) && defined(FEAT_WINDOWS)
old_curwin = curwin;
/* Currently the mouse coordinates are only known in the GUI. */
if (gui.in_use && mouse_row >= 0 && mouse_col >= 0)
{
int row, col;
row = mouse_row;
col = mouse_col;
/* find the window at the pointer coordinates */
curwin = mouse_find_win(&row, &col);
curbuf = curwin->w_buffer;
}
if (curwin == old_curwin)
# endif
undisplay_dollar();
if (mod_mask & (MOD_MASK_SHIFT | MOD_MASK_CTRL))
scroll_redraw(up, (long)(curwin->w_botline - curwin->w_topline));
else
scroll_redraw(up, 3L);
# if defined(FEAT_GUI) && defined(FEAT_WINDOWS)
curwin->w_redr_status = TRUE;
curwin = old_curwin;
curbuf = curwin->w_buffer;
# endif
if (!equalpos(curwin->w_cursor, tpos))
{
start_arrow(&tpos);
# ifdef FEAT_CINDENT
can_cindent = TRUE;
# endif
}
}
#endif
#if defined(FEAT_GUI_TABLINE) || defined(PROTO)
static void
ins_tabline(c)
int c;
{
/* We will be leaving the current window, unless closing another tab. */
if (c != K_TABMENU || current_tabmenu != TABLINE_MENU_CLOSE
|| (current_tab != 0 && current_tab != tabpage_index(curtab)))
{
undisplay_dollar();
start_arrow(&curwin->w_cursor);
# ifdef FEAT_CINDENT
can_cindent = TRUE;
# endif
}
if (c == K_TABLINE)
goto_tabpage(current_tab);
else
{
handle_tabmenu();
redraw_statuslines(); /* will redraw the tabline when needed */
}
}
#endif
#if defined(FEAT_GUI) || defined(PROTO)
void
ins_scroll()
{
pos_T tpos;
undisplay_dollar();
tpos = curwin->w_cursor;
if (gui_do_scroll())
{
start_arrow(&tpos);
# ifdef FEAT_CINDENT
can_cindent = TRUE;
# endif
}
}
void
ins_horscroll()
{
pos_T tpos;
undisplay_dollar();
tpos = curwin->w_cursor;
if (gui_do_horiz_scroll())
{
start_arrow(&tpos);
# ifdef FEAT_CINDENT
can_cindent = TRUE;
# endif
}
}
#endif
static void
ins_left()
{
pos_T tpos;
#ifdef FEAT_FOLDING
if ((fdo_flags & FDO_HOR) && KeyTyped)
foldOpenCursor();
#endif
undisplay_dollar();
tpos = curwin->w_cursor;
if (oneleft() == OK)
{
#if defined(FEAT_XIM) && defined(FEAT_GUI_GTK)
/* Only call start_arrow() when not busy with preediting, it will
* break undo. K_LEFT is inserted in im_correct_cursor(). */
if (!im_is_preediting())
#endif
start_arrow(&tpos);
#ifdef FEAT_RIGHTLEFT
/* If exit reversed string, position is fixed */
if (revins_scol != -1 && (int)curwin->w_cursor.col >= revins_scol)
revins_legal++;
revins_chars++;
#endif
}
/*
* if 'whichwrap' set for cursor in insert mode may go to
* previous line
*/
else if (vim_strchr(p_ww, '[') != NULL && curwin->w_cursor.lnum > 1)
{
start_arrow(&tpos);
--(curwin->w_cursor.lnum);
coladvance((colnr_T)MAXCOL);
curwin->w_set_curswant = TRUE; /* so we stay at the end */
}
else
vim_beep();
}
static void
ins_home(c)
int c;
{
pos_T tpos;
#ifdef FEAT_FOLDING
if ((fdo_flags & FDO_HOR) && KeyTyped)
foldOpenCursor();
#endif
undisplay_dollar();
tpos = curwin->w_cursor;
if (c == K_C_HOME)
curwin->w_cursor.lnum = 1;
curwin->w_cursor.col = 0;
#ifdef FEAT_VIRTUALEDIT
curwin->w_cursor.coladd = 0;
#endif
curwin->w_curswant = 0;
start_arrow(&tpos);
}
static void
ins_end(c)
int c;
{
pos_T tpos;
#ifdef FEAT_FOLDING
if ((fdo_flags & FDO_HOR) && KeyTyped)
foldOpenCursor();
#endif
undisplay_dollar();
tpos = curwin->w_cursor;
if (c == K_C_END)
curwin->w_cursor.lnum = curbuf->b_ml.ml_line_count;
coladvance((colnr_T)MAXCOL);
curwin->w_curswant = MAXCOL;
start_arrow(&tpos);
}
static void
ins_s_left()
{
#ifdef FEAT_FOLDING
if ((fdo_flags & FDO_HOR) && KeyTyped)
foldOpenCursor();
#endif
undisplay_dollar();
if (curwin->w_cursor.lnum > 1 || curwin->w_cursor.col > 0)
{
start_arrow(&curwin->w_cursor);
(void)bck_word(1L, FALSE, FALSE);
curwin->w_set_curswant = TRUE;
}
else
vim_beep();
}
static void
ins_right()
{
#ifdef FEAT_FOLDING
if ((fdo_flags & FDO_HOR) && KeyTyped)
foldOpenCursor();
#endif
undisplay_dollar();
if (gchar_cursor() != NUL || virtual_active()
)
{
start_arrow(&curwin->w_cursor);
curwin->w_set_curswant = TRUE;
#ifdef FEAT_VIRTUALEDIT
if (virtual_active())
oneright();
else
#endif
{
#ifdef FEAT_MBYTE
if (has_mbyte)
curwin->w_cursor.col += (*mb_ptr2len)(ml_get_cursor());
else
#endif
++curwin->w_cursor.col;
}
#ifdef FEAT_RIGHTLEFT
revins_legal++;
if (revins_chars)
revins_chars--;
#endif
}
/* if 'whichwrap' set for cursor in insert mode, may move the
* cursor to the next line */
else if (vim_strchr(p_ww, ']') != NULL
&& curwin->w_cursor.lnum < curbuf->b_ml.ml_line_count)
{
start_arrow(&curwin->w_cursor);
curwin->w_set_curswant = TRUE;
++curwin->w_cursor.lnum;
curwin->w_cursor.col = 0;
}
else
vim_beep();
}
static void
ins_s_right()
{
#ifdef FEAT_FOLDING
if ((fdo_flags & FDO_HOR) && KeyTyped)
foldOpenCursor();
#endif
undisplay_dollar();
if (curwin->w_cursor.lnum < curbuf->b_ml.ml_line_count
|| gchar_cursor() != NUL)
{
start_arrow(&curwin->w_cursor);
(void)fwd_word(1L, FALSE, 0);
curwin->w_set_curswant = TRUE;
}
else
vim_beep();
}
static void
ins_up(startcol)
int startcol; /* when TRUE move to Insstart.col */
{
pos_T tpos;
linenr_T old_topline = curwin->w_topline;
#ifdef FEAT_DIFF
int old_topfill = curwin->w_topfill;
#endif
undisplay_dollar();
tpos = curwin->w_cursor;
if (cursor_up(1L, TRUE) == OK)
{
if (startcol)
coladvance(getvcol_nolist(&Insstart));
if (old_topline != curwin->w_topline
#ifdef FEAT_DIFF
|| old_topfill != curwin->w_topfill
#endif
)
redraw_later(VALID);
start_arrow(&tpos);
#ifdef FEAT_CINDENT
can_cindent = TRUE;
#endif
}
else
vim_beep();
}
static void
ins_pageup()
{
pos_T tpos;
undisplay_dollar();
#ifdef FEAT_WINDOWS
if (mod_mask & MOD_MASK_CTRL)
{
/* <C-PageUp>: tab page back */
if (first_tabpage->tp_next != NULL)
{
start_arrow(&curwin->w_cursor);
goto_tabpage(-1);
}
return;
}
#endif
tpos = curwin->w_cursor;
if (onepage(BACKWARD, 1L) == OK)
{
start_arrow(&tpos);
#ifdef FEAT_CINDENT
can_cindent = TRUE;
#endif
}
else
vim_beep();
}
static void
ins_down(startcol)
int startcol; /* when TRUE move to Insstart.col */
{
pos_T tpos;
linenr_T old_topline = curwin->w_topline;
#ifdef FEAT_DIFF
int old_topfill = curwin->w_topfill;
#endif
undisplay_dollar();
tpos = curwin->w_cursor;
if (cursor_down(1L, TRUE) == OK)
{
if (startcol)
coladvance(getvcol_nolist(&Insstart));
if (old_topline != curwin->w_topline
#ifdef FEAT_DIFF
|| old_topfill != curwin->w_topfill
#endif
)
redraw_later(VALID);
start_arrow(&tpos);
#ifdef FEAT_CINDENT
can_cindent = TRUE;
#endif
}
else
vim_beep();
}
static void
ins_pagedown()
{
pos_T tpos;
undisplay_dollar();
#ifdef FEAT_WINDOWS
if (mod_mask & MOD_MASK_CTRL)
{
/* <C-PageDown>: tab page forward */
if (first_tabpage->tp_next != NULL)
{
start_arrow(&curwin->w_cursor);
goto_tabpage(0);
}
return;
}
#endif
tpos = curwin->w_cursor;
if (onepage(FORWARD, 1L) == OK)
{
start_arrow(&tpos);
#ifdef FEAT_CINDENT
can_cindent = TRUE;
#endif
}
else
vim_beep();
}
#ifdef FEAT_DND
static void
ins_drop()
{
do_put('~', BACKWARD, 1L, PUT_CURSEND);
}
#endif
/*
* Handle TAB in Insert or Replace mode.
* Return TRUE when the TAB needs to be inserted like a normal character.
*/
static int
ins_tab()
{
int ind;
int i;
int temp;
if (Insstart_blank_vcol == MAXCOL && curwin->w_cursor.lnum == Insstart.lnum)
Insstart_blank_vcol = get_nolist_virtcol();
if (echeck_abbr(TAB + ABBR_OFF))
return FALSE;
ind = inindent(0);
#ifdef FEAT_CINDENT
if (ind)
can_cindent = FALSE;
#endif
/*
* When nothing special, insert TAB like a normal character
*/
if (!curbuf->b_p_et
&& !(p_sta && ind && curbuf->b_p_ts != curbuf->b_p_sw)
&& curbuf->b_p_sts == 0)
return TRUE;
if (stop_arrow() == FAIL)
return TRUE;
did_ai = FALSE;
#ifdef FEAT_SMARTINDENT
did_si = FALSE;
can_si = FALSE;
can_si_back = FALSE;
#endif
AppendToRedobuff((char_u *)"\t");
if (p_sta && ind) /* insert tab in indent, use 'shiftwidth' */
temp = (int)curbuf->b_p_sw;
else if (curbuf->b_p_sts > 0) /* use 'softtabstop' when set */
temp = (int)curbuf->b_p_sts;
else /* otherwise use 'tabstop' */
temp = (int)curbuf->b_p_ts;
temp -= get_nolist_virtcol() % temp;
/*
* Insert the first space with ins_char(). It will delete one char in
* replace mode. Insert the rest with ins_str(); it will not delete any
* chars. For VREPLACE mode, we use ins_char() for all characters.
*/
ins_char(' ');
while (--temp > 0)
{
#ifdef FEAT_VREPLACE
if (State & VREPLACE_FLAG)
ins_char(' ');
else
#endif
{
ins_str((char_u *)" ");
if (State & REPLACE_FLAG) /* no char replaced */
replace_push(NUL);
}
}
/*
* When 'expandtab' not set: Replace spaces by TABs where possible.
*/
if (!curbuf->b_p_et && (curbuf->b_p_sts || (p_sta && ind)))
{
char_u *ptr;
#ifdef FEAT_VREPLACE
char_u *saved_line = NULL; /* init for GCC */
pos_T pos;
#endif
pos_T fpos;
pos_T *cursor;
colnr_T want_vcol, vcol;
int change_col = -1;
int save_list = curwin->w_p_list;
/*
* Get the current line. For VREPLACE mode, don't make real changes
* yet, just work on a copy of the line.
*/
#ifdef FEAT_VREPLACE
if (State & VREPLACE_FLAG)
{
pos = curwin->w_cursor;
cursor = &pos;
saved_line = vim_strsave(ml_get_curline());
if (saved_line == NULL)
return FALSE;
ptr = saved_line + pos.col;
}
else
#endif
{
ptr = ml_get_cursor();
cursor = &curwin->w_cursor;
}
/* When 'L' is not in 'cpoptions' a tab always takes up 'ts' spaces. */
if (vim_strchr(p_cpo, CPO_LISTWM) == NULL)
curwin->w_p_list = FALSE;
/* Find first white before the cursor */
fpos = curwin->w_cursor;
while (fpos.col > 0 && vim_iswhite(ptr[-1]))
{
--fpos.col;
--ptr;
}
/* In Replace mode, don't change characters before the insert point. */
if ((State & REPLACE_FLAG)
&& fpos.lnum == Insstart.lnum
&& fpos.col < Insstart.col)
{
ptr += Insstart.col - fpos.col;
fpos.col = Insstart.col;
}
/* compute virtual column numbers of first white and cursor */
getvcol(curwin, &fpos, &vcol, NULL, NULL);
getvcol(curwin, cursor, &want_vcol, NULL, NULL);
/* Use as many TABs as possible. Beware of 'showbreak' and
* 'linebreak' adding extra virtual columns. */
while (vim_iswhite(*ptr))
{
i = lbr_chartabsize((char_u *)"\t", vcol);
if (vcol + i > want_vcol)
break;
if (*ptr != TAB)
{
*ptr = TAB;
if (change_col < 0)
{
change_col = fpos.col; /* Column of first change */
/* May have to adjust Insstart */
if (fpos.lnum == Insstart.lnum && fpos.col < Insstart.col)
Insstart.col = fpos.col;
}
}
++fpos.col;
++ptr;
vcol += i;
}
if (change_col >= 0)
{
int repl_off = 0;
/* Skip over the spaces we need. */
while (vcol < want_vcol && *ptr == ' ')
{
vcol += lbr_chartabsize(ptr, vcol);
++ptr;
++repl_off;
}
if (vcol > want_vcol)
{
/* Must have a char with 'showbreak' just before it. */
--ptr;
--repl_off;
}
fpos.col += repl_off;
/* Delete following spaces. */
i = cursor->col - fpos.col;
if (i > 0)
{
mch_memmove(ptr, ptr + i, STRLEN(ptr + i) + 1);
/* correct replace stack. */
if ((State & REPLACE_FLAG)
#ifdef FEAT_VREPLACE
&& !(State & VREPLACE_FLAG)
#endif
)
for (temp = i; --temp >= 0; )
replace_join(repl_off);
}
#ifdef FEAT_NETBEANS_INTG
if (usingNetbeans)
{
netbeans_removed(curbuf, fpos.lnum, cursor->col,
(long)(i + 1));
netbeans_inserted(curbuf, fpos.lnum, cursor->col,
(char_u *)"\t", 1);
}
#endif
cursor->col -= i;
#ifdef FEAT_VREPLACE
/*
* In VREPLACE mode, we haven't changed anything yet. Do it now by
* backspacing over the changed spacing and then inserting the new
* spacing.
*/
if (State & VREPLACE_FLAG)
{
/* Backspace from real cursor to change_col */
backspace_until_column(change_col);
/* Insert each char in saved_line from changed_col to
* ptr-cursor */
ins_bytes_len(saved_line + change_col,
cursor->col - change_col);
}
#endif
}
#ifdef FEAT_VREPLACE
if (State & VREPLACE_FLAG)
vim_free(saved_line);
#endif
curwin->w_p_list = save_list;
}
return FALSE;
}
/*
* Handle CR or NL in insert mode.
* Return TRUE when out of memory or can't undo.
*/
static int
ins_eol(c)
int c;
{
int i;
if (echeck_abbr(c + ABBR_OFF))
return FALSE;
if (stop_arrow() == FAIL)
return TRUE;
undisplay_dollar();
/*
* Strange Vi behaviour: In Replace mode, typing a NL will not delete the
* character under the cursor. Only push a NUL on the replace stack,
* nothing to put back when the NL is deleted.
*/
if ((State & REPLACE_FLAG)
#ifdef FEAT_VREPLACE
&& !(State & VREPLACE_FLAG)
#endif
)
replace_push(NUL);
/*
* In VREPLACE mode, a NL replaces the rest of the line, and starts
* replacing the next line, so we push all of the characters left on the
* line onto the replace stack. This is not done here though, it is done
* in open_line().
*/
#ifdef FEAT_VIRTUALEDIT
/* Put cursor on NUL if on the last char and coladd is 1 (happens after
* CTRL-O). */
if (virtual_active() && curwin->w_cursor.coladd > 0)
coladvance(getviscol());
#endif
#ifdef FEAT_RIGHTLEFT
# ifdef FEAT_FKMAP
if (p_altkeymap && p_fkmap)
fkmap(NL);
# endif
/* NL in reverse insert will always start in the end of
* current line. */
if (revins_on)
curwin->w_cursor.col += (colnr_T)STRLEN(ml_get_cursor());
#endif
AppendToRedobuff(NL_STR);
i = open_line(FORWARD,
#ifdef FEAT_COMMENTS
has_format_option(FO_RET_COMS) ? OPENLINE_DO_COM :
#endif
0, old_indent);
old_indent = 0;
#ifdef FEAT_CINDENT
can_cindent = TRUE;
#endif
#ifdef FEAT_FOLDING
/* When inserting a line the cursor line must never be in a closed fold. */
foldOpenCursor();
#endif
return (!i);
}
#ifdef FEAT_DIGRAPHS
/*
* Handle digraph in insert mode.
* Returns character still to be inserted, or NUL when nothing remaining to be
* done.
*/
static int
ins_digraph()
{
int c;
int cc;
pc_status = PC_STATUS_UNSET;
if (redrawing() && !char_avail())
{
/* may need to redraw when no more chars available now */
ins_redraw(FALSE);
edit_putchar('?', TRUE);
#ifdef FEAT_CMDL_INFO
add_to_showcmd_c(Ctrl_K);
#endif
}
#ifdef USE_ON_FLY_SCROLL
dont_scroll = TRUE; /* disallow scrolling here */
#endif
/* don't map the digraph chars. This also prevents the
* mode message to be deleted when ESC is hit */
++no_mapping;
++allow_keys;
c = safe_vgetc();
--no_mapping;
--allow_keys;
if (IS_SPECIAL(c) || mod_mask) /* special key */
{
#ifdef FEAT_CMDL_INFO
clear_showcmd();
#endif
insert_special(c, TRUE, FALSE);
return NUL;
}
if (c != ESC)
{
if (redrawing() && !char_avail())
{
/* may need to redraw when no more chars available now */
ins_redraw(FALSE);
if (char2cells(c) == 1)
{
/* first remove the '?', otherwise it's restored when typing
* an ESC next */
edit_unputchar();
ins_redraw(FALSE);
edit_putchar(c, TRUE);
}
#ifdef FEAT_CMDL_INFO
add_to_showcmd_c(c);
#endif
}
++no_mapping;
++allow_keys;
cc = safe_vgetc();
--no_mapping;
--allow_keys;
if (cc != ESC)
{
AppendToRedobuff((char_u *)CTRL_V_STR);
c = getdigraph(c, cc, TRUE);
#ifdef FEAT_CMDL_INFO
clear_showcmd();
#endif
return c;
}
}
edit_unputchar();
#ifdef FEAT_CMDL_INFO
clear_showcmd();
#endif
return NUL;
}
#endif
/*
* Handle CTRL-E and CTRL-Y in Insert mode: copy char from other line.
* Returns the char to be inserted, or NUL if none found.
*/
static int
ins_copychar(lnum)
linenr_T lnum;
{
int c;
int temp;
char_u *ptr, *prev_ptr;
if (lnum < 1 || lnum > curbuf->b_ml.ml_line_count)
{
vim_beep();
return NUL;
}
/* try to advance to the cursor column */
temp = 0;
ptr = ml_get(lnum);
prev_ptr = ptr;
validate_virtcol();
while ((colnr_T)temp < curwin->w_virtcol && *ptr != NUL)
{
prev_ptr = ptr;
temp += lbr_chartabsize_adv(&ptr, (colnr_T)temp);
}
if ((colnr_T)temp > curwin->w_virtcol)
ptr = prev_ptr;
#ifdef FEAT_MBYTE
c = (*mb_ptr2char)(ptr);
#else
c = *ptr;
#endif
if (c == NUL)
vim_beep();
return c;
}
/*
* CTRL-Y or CTRL-E typed in Insert mode.
*/
static int
ins_ctrl_ey(tc)
int tc;
{
int c = tc;
#ifdef FEAT_INS_EXPAND
if (ctrl_x_mode == CTRL_X_SCROLL)
{
if (c == Ctrl_Y)
scrolldown_clamp();
else
scrollup_clamp();
redraw_later(VALID);
}
else
#endif
{
c = ins_copychar(curwin->w_cursor.lnum + (c == Ctrl_Y ? -1 : 1));
if (c != NUL)
{
long tw_save;
/* The character must be taken literally, insert like it
* was typed after a CTRL-V, and pretend 'textwidth'
* wasn't set. Digits, 'o' and 'x' are special after a
* CTRL-V, don't use it for these. */
if (c < 256 && !isalnum(c))
AppendToRedobuff((char_u *)CTRL_V_STR); /* CTRL-V */
tw_save = curbuf->b_p_tw;
curbuf->b_p_tw = -1;
insert_special(c, TRUE, FALSE);
curbuf->b_p_tw = tw_save;
#ifdef FEAT_RIGHTLEFT
revins_chars++;
revins_legal++;
#endif
c = Ctrl_V; /* pretend CTRL-V is last character */
auto_format(FALSE, TRUE);
}
}
return c;
}
#ifdef FEAT_SMARTINDENT
/*
* Try to do some very smart auto-indenting.
* Used when inserting a "normal" character.
*/
static void
ins_try_si(c)
int c;
{
pos_T *pos, old_pos;
char_u *ptr;
int i;
int temp;
/*
* do some very smart indenting when entering '{' or '}'
*/
if (((did_si || can_si_back) && c == '{') || (can_si && c == '}'))
{
/*
* for '}' set indent equal to indent of line containing matching '{'
*/
if (c == '}' && (pos = findmatch(NULL, '{')) != NULL)
{
old_pos = curwin->w_cursor;
/*
* If the matching '{' has a ')' immediately before it (ignoring
* white-space), then line up with the start of the line
* containing the matching '(' if there is one. This handles the
* case where an "if (..\n..) {" statement continues over multiple
* lines -- webb
*/
ptr = ml_get(pos->lnum);
i = pos->col;
if (i > 0) /* skip blanks before '{' */
while (--i > 0 && vim_iswhite(ptr[i]))
;
curwin->w_cursor.lnum = pos->lnum;
curwin->w_cursor.col = i;
if (ptr[i] == ')' && (pos = findmatch(NULL, '(')) != NULL)
curwin->w_cursor = *pos;
i = get_indent();
curwin->w_cursor = old_pos;
#ifdef FEAT_VREPLACE
if (State & VREPLACE_FLAG)
change_indent(INDENT_SET, i, FALSE, NUL);
else
#endif
(void)set_indent(i, SIN_CHANGED);
}
else if (curwin->w_cursor.col > 0)
{
/*
* when inserting '{' after "O" reduce indent, but not
* more than indent of previous line
*/
temp = TRUE;
if (c == '{' && can_si_back && curwin->w_cursor.lnum > 1)
{
old_pos = curwin->w_cursor;
i = get_indent();
while (curwin->w_cursor.lnum > 1)
{
ptr = skipwhite(ml_get(--(curwin->w_cursor.lnum)));
/* ignore empty lines and lines starting with '#'. */
if (*ptr != '#' && *ptr != NUL)
break;
}
if (get_indent() >= i)
temp = FALSE;
curwin->w_cursor = old_pos;
}
if (temp)
shift_line(TRUE, FALSE, 1);
}
}
/*
* set indent of '#' always to 0
*/
if (curwin->w_cursor.col > 0 && can_si && c == '#')
{
/* remember current indent for next line */
old_indent = get_indent();
(void)set_indent(0, SIN_CHANGED);
}
/* Adjust ai_col, the char at this position can be deleted. */
if (ai_col > curwin->w_cursor.col)
ai_col = curwin->w_cursor.col;
}
#endif
/*
* Get the value that w_virtcol would have when 'list' is off.
* Unless 'cpo' contains the 'L' flag.
*/
static colnr_T
get_nolist_virtcol()
{
if (curwin->w_p_list && vim_strchr(p_cpo, CPO_LISTWM) == NULL)
return getvcol_nolist(&curwin->w_cursor);
validate_virtcol();
return curwin->w_virtcol;
}