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vim/src/normal.c
Jim Zhou c8cce711dd
patch 9.1.1175: inconsistent behaviour with exclusive selection and motion commands 
Problem:  inconsistent behaviour with exclusive selection and motion
          commands (aidancz)
Solution: adjust cursor position when selection is exclusive
          (Jim Zhou)

fixes: #16278
closes: #16784

Co-authored-by: Hirohito Higashi <h.east.727@gmail.com>
Co-authored-by: zeertzjq <zeertzjq@outlook.com>
Signed-off-by: Jim Zhou <jimzhouzzy@gmail.com>
Signed-off-by: Christian Brabandt <cb@256bit.org>
2025-03-05 20:47:29 +01:00

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/* vi:set ts=8 sts=4 sw=4 noet:
*
* VIM - Vi IMproved by Bram Moolenaar et al.
*
* 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.
*/
/*
* normal.c: Contains the main routine for processing characters in command
* mode. Communicates closely with the code in ops.c to handle
* the operators.
*/
#include "vim.h"
static int VIsual_mode_orig = NUL; // saved Visual mode
#ifdef FEAT_EVAL
static void set_vcount_ca(cmdarg_T *cap, int *set_prevcount);
#endif
static void unshift_special(cmdarg_T *cap);
static void del_from_showcmd(int);
/*
* nv_*(): functions called to handle Normal and Visual mode commands.
* n_*(): functions called to handle Normal mode commands.
* v_*(): functions called to handle Visual mode commands.
*/
static void nv_ignore(cmdarg_T *cap);
static void nv_nop(cmdarg_T *cap);
static void nv_error(cmdarg_T *cap);
static void nv_help(cmdarg_T *cap);
static void nv_addsub(cmdarg_T *cap);
static void nv_page(cmdarg_T *cap);
static void nv_zet(cmdarg_T *cap);
#ifdef FEAT_GUI
static void nv_ver_scrollbar(cmdarg_T *cap);
static void nv_hor_scrollbar(cmdarg_T *cap);
#endif
#ifdef FEAT_GUI_TABLINE
static void nv_tabline(cmdarg_T *cap);
static void nv_tabmenu(cmdarg_T *cap);
#endif
static void nv_exmode(cmdarg_T *cap);
static void nv_colon(cmdarg_T *cap);
static void nv_ctrlg(cmdarg_T *cap);
static void nv_ctrlh(cmdarg_T *cap);
static void nv_clear(cmdarg_T *cap);
static void nv_ctrlo(cmdarg_T *cap);
static void nv_hat(cmdarg_T *cap);
static void nv_Zet(cmdarg_T *cap);
static void nv_ident(cmdarg_T *cap);
static void nv_tagpop(cmdarg_T *cap);
static void nv_scroll(cmdarg_T *cap);
static void nv_right(cmdarg_T *cap);
static void nv_left(cmdarg_T *cap);
static void nv_up(cmdarg_T *cap);
static void nv_down(cmdarg_T *cap);
static void nv_end(cmdarg_T *cap);
static void nv_dollar(cmdarg_T *cap);
static void nv_search(cmdarg_T *cap);
static void nv_next(cmdarg_T *cap);
static int normal_search(cmdarg_T *cap, int dir, char_u *pat, size_t patlen, int opt, int *wrapped);
static void nv_csearch(cmdarg_T *cap);
static void nv_brackets(cmdarg_T *cap);
static void nv_percent(cmdarg_T *cap);
static void nv_brace(cmdarg_T *cap);
static void nv_mark(cmdarg_T *cap);
static void nv_findpar(cmdarg_T *cap);
static void nv_undo(cmdarg_T *cap);
static void nv_kundo(cmdarg_T *cap);
static void nv_Replace(cmdarg_T *cap);
static void nv_replace(cmdarg_T *cap);
static void nv_cursormark(cmdarg_T *cap, int flag, pos_T *pos);
static void v_visop(cmdarg_T *cap);
static void nv_subst(cmdarg_T *cap);
static void nv_abbrev(cmdarg_T *cap);
static void nv_optrans(cmdarg_T *cap);
static void nv_gomark(cmdarg_T *cap);
static void nv_pcmark(cmdarg_T *cap);
static void nv_regname(cmdarg_T *cap);
static void nv_visual(cmdarg_T *cap);
static void n_start_visual_mode(int c);
static void nv_window(cmdarg_T *cap);
static void nv_suspend(cmdarg_T *cap);
static void nv_g_cmd(cmdarg_T *cap);
static void nv_dot(cmdarg_T *cap);
static void nv_redo_or_register(cmdarg_T *cap);
static void nv_Undo(cmdarg_T *cap);
static void nv_tilde(cmdarg_T *cap);
static void nv_operator(cmdarg_T *cap);
#ifdef FEAT_EVAL
static void set_op_var(int optype);
#endif
static void nv_lineop(cmdarg_T *cap);
static void nv_home(cmdarg_T *cap);
static void nv_pipe(cmdarg_T *cap);
static void nv_bck_word(cmdarg_T *cap);
static void nv_wordcmd(cmdarg_T *cap);
static void nv_beginline(cmdarg_T *cap);
static void adjust_cursor(oparg_T *oap);
static void adjust_for_sel(cmdarg_T *cap);
static void nv_select(cmdarg_T *cap);
static void nv_goto(cmdarg_T *cap);
static void nv_normal(cmdarg_T *cap);
static void nv_esc(cmdarg_T *oap);
static void nv_edit(cmdarg_T *cap);
static void invoke_edit(cmdarg_T *cap, int repl, int cmd, int startln);
static void nv_object(cmdarg_T *cap);
static void nv_record(cmdarg_T *cap);
static void nv_at(cmdarg_T *cap);
static void nv_halfpage(cmdarg_T *cap);
static void nv_join(cmdarg_T *cap);
static void nv_put(cmdarg_T *cap);
static void nv_put_opt(cmdarg_T *cap, int fix_indent);
static void nv_open(cmdarg_T *cap);
#ifdef FEAT_NETBEANS_INTG
static void nv_nbcmd(cmdarg_T *cap);
#endif
#ifdef FEAT_DND
static void nv_drop(cmdarg_T *cap);
#endif
static void nv_cursorhold(cmdarg_T *cap);
// Declare nv_cmds[].
#define DO_DECLARE_NVCMD
#include "nv_cmds.h"
// Include the lookuptable generated by create_nvcmdidx.vim.
#include "nv_cmdidxs.h"
/*
* Search for a command in the commands table.
* Returns -1 for invalid command.
*/
static int
find_command(int cmdchar)
{
int i;
int idx;
int top, bot;
int c;
// A multi-byte character is never a command.
if (cmdchar >= 0x100)
return -1;
// We use the absolute value of the character. Special keys have a
// negative value, but are sorted on their absolute value.
if (cmdchar < 0)
cmdchar = -cmdchar;
// If the character is in the first part: The character is the index into
// nv_cmd_idx[].
if (cmdchar <= nv_max_linear)
return nv_cmd_idx[cmdchar];
// Perform a binary search.
bot = nv_max_linear + 1;
top = NV_CMDS_SIZE - 1;
idx = -1;
while (bot <= top)
{
i = (top + bot) / 2;
c = nv_cmds[nv_cmd_idx[i]].cmd_char;
if (c < 0)
c = -c;
if (cmdchar == c)
{
idx = nv_cmd_idx[i];
break;
}
if (cmdchar > c)
bot = i + 1;
else
top = i - 1;
}
return idx;
}
/*
* If currently editing a cmdline or text is locked: beep and give an error
* message, return TRUE.
*/
static int
check_text_locked(oparg_T *oap)
{
if (!text_locked())
return FALSE;
if (oap != NULL)
clearopbeep(oap);
text_locked_msg();
return TRUE;
}
/*
* If text is locked, "curbuf_lock" or "allbuf_lock" is set:
* Give an error message, possibly beep and return TRUE.
* "oap" may be NULL.
*/
int
check_text_or_curbuf_locked(oparg_T *oap)
{
if (check_text_locked(oap))
return TRUE;
if (!curbuf_locked())
return FALSE;
if (oap != NULL)
clearop(oap);
return TRUE;
}
/*
* Handle the count before a normal command and set cap->count0.
*/
static int
normal_cmd_get_count(
cmdarg_T *cap,
int c,
int toplevel UNUSED,
int set_prevcount UNUSED,
int *ctrl_w,
int *need_flushbuf UNUSED)
{
getcount:
if (!(VIsual_active && VIsual_select))
{
// Handle a count before a command and compute ca.count0.
// Note that '0' is a command and not the start of a count, but it's
// part of a count after other digits.
while ((c >= '1' && c <= '9')
|| (cap->count0 != 0 && (c == K_DEL || c == K_KDEL
|| c == '0')))
{
if (c == K_DEL || c == K_KDEL)
{
cap->count0 /= 10;
del_from_showcmd(4); // delete the digit and ~@%
}
else if (cap->count0 > 99999999L)
{
cap->count0 = 999999999L;
}
else
{
cap->count0 = cap->count0 * 10 + (c - '0');
}
#ifdef FEAT_EVAL
// Set v:count here, when called from main() and not a stuffed
// command, so that v:count can be used in an expression mapping
// right after the count. Do set it for redo.
if (toplevel && readbuf1_empty())
set_vcount_ca(cap, &set_prevcount);
#endif
if (*ctrl_w)
{
++no_mapping;
++allow_keys; // no mapping for nchar, but keys
}
++no_zero_mapping; // don't map zero here
c = plain_vgetc();
LANGMAP_ADJUST(c, TRUE);
--no_zero_mapping;
if (*ctrl_w)
{
--no_mapping;
--allow_keys;
}
*need_flushbuf |= add_to_showcmd(c);
}
// If we got CTRL-W there may be a/another count
if (c == Ctrl_W && !*ctrl_w && cap->oap->op_type == OP_NOP)
{
*ctrl_w = TRUE;
cap->opcount = cap->count0; // remember first count
cap->count0 = 0;
++no_mapping;
++allow_keys; // no mapping for nchar, but keys
c = plain_vgetc(); // get next character
LANGMAP_ADJUST(c, TRUE);
--no_mapping;
--allow_keys;
*need_flushbuf |= add_to_showcmd(c);
goto getcount; // jump back
}
}
if (c == K_CURSORHOLD)
{
// Save the count values so that ca.opcount and ca.count0 are exactly
// the same when coming back here after handling K_CURSORHOLD.
cap->oap->prev_opcount = cap->opcount;
cap->oap->prev_count0 = cap->count0;
}
else if (cap->opcount != 0)
{
// If we're in the middle of an operator (including after entering a
// yank buffer with '"') AND we had a count before the operator, then
// that count overrides the current value of ca.count0.
// What this means effectively, is that commands like "3dw" get turned
// into "d3w" which makes things fall into place pretty neatly.
// If you give a count before AND after the operator, they are
// multiplied.
if (cap->count0)
{
if (cap->opcount >= 999999999L / cap->count0)
cap->count0 = 999999999L;
else
cap->count0 *= cap->opcount;
}
else
cap->count0 = cap->opcount;
}
// Always remember the count. It will be set to zero (on the next call,
// above) when there is no pending operator.
// When called from main(), save the count for use by the "count" built-in
// variable.
cap->opcount = cap->count0;
cap->count1 = (cap->count0 == 0 ? 1 : cap->count0);
#ifdef FEAT_EVAL
// Only set v:count when called from main() and not a stuffed command.
// Do set it for redo.
if (toplevel && readbuf1_empty())
set_vcount(cap->count0, cap->count1, set_prevcount);
#endif
return c;
}
/*
* Returns TRUE if the normal command (cap) needs a second character.
*/
static int
normal_cmd_needs_more_chars(cmdarg_T *cap, short_u cmd_flags)
{
return ((cmd_flags & NV_NCH)
&& (((cmd_flags & NV_NCH_NOP) == NV_NCH_NOP
&& cap->oap->op_type == OP_NOP)
|| (cmd_flags & NV_NCH_ALW) == NV_NCH_ALW
|| (cap->cmdchar == 'q'
&& cap->oap->op_type == OP_NOP
&& reg_recording == 0
&& reg_executing == 0)
|| ((cap->cmdchar == 'a' || cap->cmdchar == 'i')
&& (cap->oap->op_type != OP_NOP || VIsual_active))));
}
/*
* Get one or more additional characters for a normal command.
* Return the updated command index (if changed).
*/
static int
normal_cmd_get_more_chars(
int idx_arg,
cmdarg_T *cap,
int *need_flushbuf UNUSED)
{
int idx = idx_arg;
int c;
int *cp;
int repl = FALSE; // get character for replace mode
int lit = FALSE; // get extra character literally
int langmap_active = FALSE; // using :lmap mappings
int lang; // getting a text character
#ifdef HAVE_INPUT_METHOD
int save_smd; // saved value of p_smd
#endif
++no_mapping;
++allow_keys; // no mapping for nchar, but allow key codes
// Don't generate a CursorHold event here, most commands can't handle
// it, e.g., nv_replace(), nv_csearch().
did_cursorhold = TRUE;
if (cap->cmdchar == 'g')
{
/*
* For 'g' get the next character now, so that we can check for
* "gr", "g'" and "g`".
*/
cap->nchar = plain_vgetc();
LANGMAP_ADJUST(cap->nchar, TRUE);
*need_flushbuf |= add_to_showcmd(cap->nchar);
if (cap->nchar == 'r' || cap->nchar == '\'' || cap->nchar == '`'
|| cap->nchar == Ctrl_BSL)
{
cp = &cap->extra_char; // need to get a third character
if (cap->nchar != 'r')
lit = TRUE; // get it literally
else
repl = TRUE; // get it in replace mode
}
else
cp = NULL; // no third character needed
}
else
{
if (cap->cmdchar == 'r') // get it in replace mode
repl = TRUE;
cp = &cap->nchar;
}
lang = (repl || (nv_cmds[idx].cmd_flags & NV_LANG));
/*
* Get a second or third character.
*/
if (cp != NULL)
{
if (repl)
{
State = MODE_REPLACE; // pretend Replace mode
#ifdef CURSOR_SHAPE
ui_cursor_shape(); // show different cursor shape
#endif
#ifdef FEAT_MOUSESHAPE
update_mouseshape(-1);
#endif
}
if (lang && curbuf->b_p_iminsert == B_IMODE_LMAP)
{
// Allow mappings defined with ":lmap".
--no_mapping;
--allow_keys;
if (repl)
State = MODE_LREPLACE;
else
State = MODE_LANGMAP;
langmap_active = TRUE;
}
#ifdef HAVE_INPUT_METHOD
save_smd = p_smd;
p_smd = FALSE; // Don't let the IM code show the mode here
if (lang && curbuf->b_p_iminsert == B_IMODE_IM)
im_set_active(TRUE);
#endif
if ((State & MODE_INSERT) && !p_ek)
{
MAY_WANT_TO_LOG_THIS;
// Disable bracketed paste and modifyOtherKeys here, we won't
// recognize the escape sequences with 'esckeys' off.
out_str(T_BD);
out_str_t_TE();
}
*cp = plain_vgetc();
if ((State & MODE_INSERT) && !p_ek)
{
MAY_WANT_TO_LOG_THIS;
// Re-enable bracketed paste mode and modifyOtherKeys
out_str_t_BE();
out_str_t_TI();
}
if (langmap_active)
{
// Undo the decrement done above
++no_mapping;
++allow_keys;
State = MODE_NORMAL_BUSY;
}
#ifdef HAVE_INPUT_METHOD
if (lang)
{
if (curbuf->b_p_iminsert != B_IMODE_LMAP)
im_save_status(&curbuf->b_p_iminsert);
im_set_active(FALSE);
}
p_smd = save_smd;
#endif
State = MODE_NORMAL_BUSY;
*need_flushbuf |= add_to_showcmd(*cp);
if (!lit)
{
#ifdef FEAT_DIGRAPHS
// Typing CTRL-K gets a digraph.
if (*cp == Ctrl_K
&& ((nv_cmds[idx].cmd_flags & NV_LANG)
|| cp == &cap->extra_char)
&& vim_strchr(p_cpo, CPO_DIGRAPH) == NULL)
{
c = get_digraph(FALSE);
if (c > 0)
{
*cp = c;
// Guessing how to update showcmd here...
del_from_showcmd(3);
*need_flushbuf |= add_to_showcmd(*cp);
}
}
#endif
// adjust chars > 127, except after "tTfFr" commands
LANGMAP_ADJUST(*cp, !lang);
#ifdef FEAT_RIGHTLEFT
// adjust Hebrew mapped char
if (p_hkmap && lang && KeyTyped)
*cp = hkmap(*cp);
#endif
}
// When the next character is CTRL-\ a following CTRL-N means the
// command is aborted and we go to Normal mode.
if (cp == &cap->extra_char
&& cap->nchar == Ctrl_BSL
&& (cap->extra_char == Ctrl_N || cap->extra_char == Ctrl_G))
{
cap->cmdchar = Ctrl_BSL;
cap->nchar = cap->extra_char;
idx = find_command(cap->cmdchar);
}
else if ((cap->nchar == 'n' || cap->nchar == 'N')
&& cap->cmdchar == 'g')
cap->oap->op_type = get_op_type(*cp, NUL);
else if (*cp == Ctrl_BSL)
{
long towait = (p_ttm >= 0 ? p_ttm : p_tm);
// There is a busy wait here when typing "f<C-\>" and then
// something different from CTRL-N. Can't be avoided.
while ((c = vpeekc()) <= 0 && towait > 0L)
{
do_sleep(towait > 50L ? 50L : towait, FALSE);
towait -= 50L;
}
if (c > 0)
{
c = plain_vgetc();
if (c != Ctrl_N && c != Ctrl_G)
vungetc(c);
else
{
cap->cmdchar = Ctrl_BSL;
cap->nchar = c;
idx = find_command(cap->cmdchar);
}
}
}
if (enc_utf8 && lang)
{
// When getting a text character and the next character is a
// multi-byte character, it could be a composing character.
// However, don't wait for it to arrive. Also, do enable mapping,
// because if it's put back with vungetc() it's too late to apply
// mapping.
--no_mapping;
while ((c = vpeekc()) > 0
&& (c >= 0x100 || MB_BYTE2LEN(vpeekc()) > 1))
{
c = plain_vgetc();
if (!utf_iscomposing(c))
{
vungetc(c); // it wasn't, put it back
break;
}
else if (cap->ncharC1 == 0)
cap->ncharC1 = c;
else
cap->ncharC2 = c;
}
++no_mapping;
// Vim may be in a different mode when the user types the next key,
// but when replaying a recording the next key is already in the
// typeahead buffer, so record an <Ignore> before that to prevent
// the vpeekc() above from applying wrong mappings when replaying.
++no_u_sync;
gotchars_ignore();
--no_u_sync;
}
}
--no_mapping;
--allow_keys;
return idx;
}
/*
* Returns TRUE if after processing a normal mode command, need to wait for a
* moment when a message is displayed that will be overwritten by the mode
* message.
*/
static int
normal_cmd_need_to_wait_for_msg(cmdarg_T *cap, pos_T *old_pos)
{
// In Visual mode and with "^O" in Insert mode, a short message will be
// overwritten by the mode message. Wait a bit, until a key is hit.
// In Visual mode, it's more important to keep the Visual area updated
// than keeping a message (e.g. from a /pat search).
// Only do this if the command was typed, not from a mapping.
// Don't wait when emsg_silent is non-zero.
// Also wait a bit after an error message, e.g. for "^O:".
// Don't redraw the screen, it would remove the message.
return ( ((p_smd
&& msg_silent == 0
&& (restart_edit != 0
|| (VIsual_active
&& old_pos->lnum == curwin->w_cursor.lnum
&& old_pos->col == curwin->w_cursor.col)
)
&& (clear_cmdline
|| redraw_cmdline)
&& (msg_didout || (msg_didany && msg_scroll))
&& !msg_nowait
&& KeyTyped)
|| (restart_edit != 0
&& !VIsual_active
&& (msg_scroll
|| emsg_on_display)))
&& cap->oap->regname == 0
&& !(cap->retval & CA_COMMAND_BUSY)
&& stuff_empty()
&& typebuf_typed()
&& emsg_silent == 0
&& !in_assert_fails
&& !did_wait_return
&& cap->oap->op_type == OP_NOP);
}
/*
* After processing a normal mode command, wait for a moment when a message is
* displayed that will be overwritten by the mode message.
*/
static void
normal_cmd_wait_for_msg(void)
{
int save_State = State;
// Draw the cursor with the right shape here
if (restart_edit != 0)
State = MODE_INSERT;
// If need to redraw, and there is a "keep_msg", redraw before the
// delay
if (must_redraw && keep_msg != NULL && !emsg_on_display)
{
char_u *kmsg;
kmsg = keep_msg;
keep_msg = NULL;
// Showmode() will clear keep_msg, but we want to use it anyway.
// First update w_topline.
setcursor();
update_screen(0);
// now reset it, otherwise it's put in the history again
keep_msg = kmsg;
kmsg = vim_strsave(keep_msg);
if (kmsg != NULL)
{
msg_attr((char *)kmsg, keep_msg_attr);
vim_free(kmsg);
}
}
setcursor();
#ifdef CURSOR_SHAPE
ui_cursor_shape(); // may show different cursor shape
#endif
cursor_on();
out_flush();
if (msg_scroll || emsg_on_display)
ui_delay(1003L, TRUE); // wait at least one second
ui_delay(3003L, FALSE); // wait up to three seconds
State = save_State;
msg_scroll = FALSE;
emsg_on_display = FALSE;
}
/*
* Execute a command in Normal mode.
*/
void
normal_cmd(
oparg_T *oap,
int toplevel UNUSED) // TRUE when called from main()
{
cmdarg_T ca; // command arguments
int c;
int ctrl_w = FALSE; // got CTRL-W command
int old_col = curwin->w_curswant;
int need_flushbuf = FALSE; // need to call out_flush()
pos_T old_pos; // cursor position before command
int mapped_len;
static int old_mapped_len = 0;
int idx;
int set_prevcount = FALSE;
int save_did_cursorhold = did_cursorhold;
CLEAR_FIELD(ca); // also resets ca.retval
ca.oap = oap;
// Use a count remembered from before entering an operator. After typing
// "3d" we return from normal_cmd() and come back here, the "3" is
// remembered in "opcount".
ca.opcount = opcount;
// If there is an operator pending, then the command we take this time
// will terminate it. Finish_op tells us to finish the operation before
// returning this time (unless the operation was cancelled).
#ifdef CURSOR_SHAPE
c = finish_op;
#endif
finish_op = (oap->op_type != OP_NOP);
#ifdef CURSOR_SHAPE
if (finish_op != c)
{
ui_cursor_shape(); // may show different cursor shape
# ifdef FEAT_MOUSESHAPE
update_mouseshape(-1);
# endif
}
#endif
may_trigger_modechanged();
// When not finishing an operator and no register name typed, reset the
// count.
if (!finish_op && !oap->regname)
{
ca.opcount = 0;
#ifdef FEAT_EVAL
set_prevcount = TRUE;
#endif
}
// Restore counts from before receiving K_CURSORHOLD. This means after
// typing "3", handling K_CURSORHOLD and then typing "2" we get "32", not
// "3 * 2".
if (oap->prev_opcount > 0 || oap->prev_count0 > 0)
{
ca.opcount = oap->prev_opcount;
ca.count0 = oap->prev_count0;
oap->prev_opcount = 0;
oap->prev_count0 = 0;
}
mapped_len = typebuf_maplen();
State = MODE_NORMAL_BUSY;
#ifdef USE_ON_FLY_SCROLL
dont_scroll = FALSE; // allow scrolling here
#endif
#ifdef FEAT_EVAL
// Set v:count here, when called from main() and not a stuffed
// command, so that v:count can be used in an expression mapping
// when there is no count. Do set it for redo.
if (toplevel && readbuf1_empty())
set_vcount_ca(&ca, &set_prevcount);
#endif
/*
* Get the command character from the user.
*/
c = safe_vgetc();
LANGMAP_ADJUST(c, get_real_state() != MODE_SELECT);
// If a mapping was started in Visual or Select mode, remember the length
// of the mapping. This is used below to not return to Insert mode for as
// long as the mapping is being executed.
if (restart_edit == 0)
old_mapped_len = 0;
else if (old_mapped_len
|| (VIsual_active && mapped_len == 0 && typebuf_maplen() > 0))
old_mapped_len = typebuf_maplen();
if (c == NUL)
c = K_ZERO;
// In Select mode, typed text replaces the selection.
if (VIsual_active
&& VIsual_select
&& (vim_isprintc(c) || c == NL || c == CAR || c == K_KENTER))
{
int len;
// Fake a "c"hange command. When "restart_edit" is set (e.g., because
// 'insertmode' is set) fake a "d"elete command, Insert mode will
// restart automatically.
// Insert the typed character in the typeahead buffer, so that it can
// be mapped in Insert mode. Required for ":lmap" to work.
len = ins_char_typebuf(vgetc_char, vgetc_mod_mask);
// When recording and gotchars() was called the character will be
// recorded again, remove the previous recording.
if (KeyTyped)
ungetchars(len);
if (restart_edit != 0)
c = 'd';
else
c = 'c';
msg_nowait = TRUE; // don't delay going to insert mode
old_mapped_len = 0; // do go to Insert mode
}
// If the window was made so small that nothing shows, make it at least one
// line and one column when typing a command.
if (KeyTyped && !KeyStuffed)
win_ensure_size();
need_flushbuf = add_to_showcmd(c);
// Get the command count
c = normal_cmd_get_count(&ca, c, toplevel, set_prevcount, &ctrl_w,
&need_flushbuf);
// Find the command character in the table of commands.
// For CTRL-W we already got nchar when looking for a count.
if (ctrl_w)
{
ca.nchar = c;
ca.cmdchar = Ctrl_W;
}
else
ca.cmdchar = c;
idx = find_command(ca.cmdchar);
if (idx < 0)
{
// Not a known command: beep.
clearopbeep(oap);
goto normal_end;
}
if ((nv_cmds[idx].cmd_flags & NV_NCW) && check_text_or_curbuf_locked(oap))
// this command is not allowed now
goto normal_end;
// In Visual/Select mode, a few keys are handled in a special way.
if (VIsual_active)
{
// when 'keymodel' contains "stopsel" may stop Select/Visual mode
if (km_stopsel
&& (nv_cmds[idx].cmd_flags & NV_STS)
&& !(mod_mask & MOD_MASK_SHIFT))
{
end_visual_mode();
redraw_curbuf_later(UPD_INVERTED);
}
// Keys that work different when 'keymodel' contains "startsel"
if (km_startsel)
{
if (nv_cmds[idx].cmd_flags & NV_SS)
{
unshift_special(&ca);
idx = find_command(ca.cmdchar);
if (idx < 0)
{
// Just in case
clearopbeep(oap);
goto normal_end;
}
}
else if ((nv_cmds[idx].cmd_flags & NV_SSS)
&& (mod_mask & MOD_MASK_SHIFT))
mod_mask &= ~MOD_MASK_SHIFT;
}
}
#ifdef FEAT_RIGHTLEFT
if (curwin->w_p_rl && KeyTyped && !KeyStuffed
&& (nv_cmds[idx].cmd_flags & NV_RL))
{
// Invert horizontal movements and operations. Only when typed by the
// user directly, not when the result of a mapping or "x" translated
// to "dl".
switch (ca.cmdchar)
{
case 'l': ca.cmdchar = 'h'; break;
case K_RIGHT: ca.cmdchar = K_LEFT; break;
case K_S_RIGHT: ca.cmdchar = K_S_LEFT; break;
case K_C_RIGHT: ca.cmdchar = K_C_LEFT; break;
case 'h': ca.cmdchar = 'l'; break;
case K_LEFT: ca.cmdchar = K_RIGHT; break;
case K_S_LEFT: ca.cmdchar = K_S_RIGHT; break;
case K_C_LEFT: ca.cmdchar = K_C_RIGHT; break;
case '>': ca.cmdchar = '<'; break;
case '<': ca.cmdchar = '>'; break;
}
idx = find_command(ca.cmdchar);
}
#endif
// Get additional characters if we need them.
if (normal_cmd_needs_more_chars(&ca, nv_cmds[idx].cmd_flags))
idx = normal_cmd_get_more_chars(idx, &ca, &need_flushbuf);
// Flush the showcmd characters onto the screen so we can see them while
// the command is being executed. Only do this when the shown command was
// actually displayed, otherwise this will slow down a lot when executing
// mappings.
if (need_flushbuf)
out_flush();
if (ca.cmdchar != K_IGNORE)
{
if (ex_normal_busy)
did_cursorhold = save_did_cursorhold;
else
did_cursorhold = FALSE;
}
State = MODE_NORMAL;
if (ca.nchar == ESC || ca.extra_char == ESC)
{
clearop(oap);
if (restart_edit == 0 && goto_im())
restart_edit = 'a';
goto normal_end;
}
if (ca.cmdchar != K_IGNORE)
{
msg_didout = FALSE; // don't scroll screen up for normal command
msg_col = 0;
}
old_pos = curwin->w_cursor; // remember where the cursor was
// When 'keymodel' contains "startsel" some keys start Select/Visual
// mode.
if (!VIsual_active && km_startsel)
{
if (nv_cmds[idx].cmd_flags & NV_SS)
{
start_selection();
unshift_special(&ca);
idx = find_command(ca.cmdchar);
}
else if ((nv_cmds[idx].cmd_flags & NV_SSS)
&& (mod_mask & MOD_MASK_SHIFT))
{
start_selection();
mod_mask &= ~MOD_MASK_SHIFT;
}
}
// Execute the command!
// Call the command function found in the commands table.
ca.arg = nv_cmds[idx].cmd_arg;
(nv_cmds[idx].cmd_func)(&ca);
// If we didn't start or finish an operator, reset oap->regname, unless we
// need it later.
if (!finish_op
&& !oap->op_type
&& (idx < 0 || !(nv_cmds[idx].cmd_flags & NV_KEEPREG)))
{
clearop(oap);
#ifdef FEAT_EVAL
reset_reg_var();
#endif
}
// Get the length of mapped chars again after typing a count, second
// character or "z333<cr>".
if (old_mapped_len > 0)
old_mapped_len = typebuf_maplen();
// If an operation is pending, handle it. But not for K_IGNORE or
// K_MOUSEMOVE.
if (ca.cmdchar != K_IGNORE && ca.cmdchar != K_MOUSEMOVE)
do_pending_operator(&ca, old_col, FALSE);
// Wait for a moment when a message is displayed that will be overwritten
// by the mode message.
if (normal_cmd_need_to_wait_for_msg(&ca, &old_pos))
normal_cmd_wait_for_msg();
// Finish up after executing a Normal mode command.
normal_end:
msg_nowait = FALSE;
#ifdef FEAT_EVAL
if (finish_op)
reset_reg_var();
#endif
#ifdef CURSOR_SHAPE
int prev_finish_op = finish_op;
#endif
if (oap->op_type == OP_NOP)
{
// Reset finish_op, in case it was set
finish_op = FALSE;
may_trigger_modechanged();
}
#ifdef CURSOR_SHAPE
// Redraw the cursor with another shape, if we were in Operator-pending
// mode or did a replace command.
if (prev_finish_op || ca.cmdchar == 'r'
|| (ca.cmdchar == 'g' && ca.nchar == 'r'))
{
ui_cursor_shape(); // may show different cursor shape
# ifdef FEAT_MOUSESHAPE
update_mouseshape(-1);
# endif
}
#endif
if (oap->op_type == OP_NOP && oap->regname == 0
&& ca.cmdchar != K_CURSORHOLD)
clear_showcmd();
checkpcmark(); // check if we moved since setting pcmark
vim_free(ca.searchbuf);
if (has_mbyte)
mb_adjust_cursor();
if (curwin->w_p_scb && toplevel)
{
validate_cursor(); // may need to update w_leftcol
do_check_scrollbind(TRUE);
}
if (curwin->w_p_crb && toplevel)
{
validate_cursor(); // may need to update w_leftcol
do_check_cursorbind();
}
#ifdef FEAT_TERMINAL
// don't go to Insert mode if a terminal has a running job
if (term_job_running(curbuf->b_term))
restart_edit = 0;
#endif
// May restart edit(), if we got here with CTRL-O in Insert mode (but not
// if still inside a mapping that started in Visual mode).
// May switch from Visual to Select mode after CTRL-O command.
if ( oap->op_type == OP_NOP
&& ((restart_edit != 0 && !VIsual_active && old_mapped_len == 0)
|| restart_VIsual_select == 1)
&& !(ca.retval & CA_COMMAND_BUSY)
&& stuff_empty()
&& oap->regname == 0)
{
if (restart_VIsual_select == 1)
{
VIsual_select = TRUE;
may_trigger_modechanged();
showmode();
restart_VIsual_select = 0;
VIsual_select_reg = 0;
}
if (restart_edit != 0 && !VIsual_active && old_mapped_len == 0)
(void)edit(restart_edit, FALSE, 1L);
}
if (restart_VIsual_select == 2)
restart_VIsual_select = 1;
// Save count before an operator for next time.
opcount = ca.opcount;
}
#ifdef FEAT_EVAL
/*
* Set v:count and v:count1 according to "cap".
* Set v:prevcount only when "set_prevcount" is TRUE.
*/
static void
set_vcount_ca(cmdarg_T *cap, int *set_prevcount)
{
long count = cap->count0;
// multiply with cap->opcount the same way as above
if (cap->opcount != 0)
count = cap->opcount * (count == 0 ? 1 : count);
set_vcount(count, count == 0 ? 1 : count, *set_prevcount);
*set_prevcount = FALSE; // only set v:prevcount once
}
#endif
/*
* Check if highlighting for Visual mode is possible, give a warning message
* if not.
*/
void
check_visual_highlight(void)
{
static int did_check = FALSE;
if (full_screen)
{
if (!did_check && HL_ATTR(HLF_V) == 0)
msg(_("Warning: terminal cannot highlight"));
did_check = TRUE;
}
}
#if defined(FEAT_CLIPBOARD) && defined(FEAT_EVAL)
/*
* Call yank_do_autocmd() for "regname".
*/
static void
call_yank_do_autocmd(int regname)
{
oparg_T oa;
yankreg_T *reg;
clear_oparg(&oa);
oa.regname = regname;
oa.op_type = OP_YANK;
oa.is_VIsual = TRUE;
reg = get_register(regname, TRUE);
yank_do_autocmd(&oa, reg);
free_register(reg);
}
#endif
/*
* End Visual mode.
* This function or the next should ALWAYS be called to end Visual mode, except
* from do_pending_operator().
*/
void
end_visual_mode(void)
{
VIsual_select_exclu_adj = FALSE;
end_visual_mode_keep_button();
reset_held_button();
}
void
end_visual_mode_keep_button(void)
{
#ifdef FEAT_CLIPBOARD
// If we are using the clipboard, then remember what was selected in case
// we need to paste it somewhere while we still own the selection.
// Only do this when the clipboard is already owned. Don't want to grab
// the selection when hitting ESC.
if (clip_star.available && clip_star.owned)
clip_auto_select();
# if defined(FEAT_EVAL)
// Emit a TextYankPost for the automatic copy of the selection into the
// star and/or plus register.
if (has_textyankpost())
{
if (clip_isautosel_star())
call_yank_do_autocmd('*');
if (clip_isautosel_plus())
call_yank_do_autocmd('+');
}
# endif
#endif
VIsual_active = FALSE;
setmouse();
mouse_dragging = 0;
// Save the current VIsual area for '< and '> marks, and "gv"
curbuf->b_visual.vi_mode = VIsual_mode;
curbuf->b_visual.vi_start = VIsual;
curbuf->b_visual.vi_end = curwin->w_cursor;
curbuf->b_visual.vi_curswant = curwin->w_curswant;
#ifdef FEAT_EVAL
curbuf->b_visual_mode_eval = VIsual_mode;
#endif
if (!virtual_active())
curwin->w_cursor.coladd = 0;
may_clear_cmdline();
adjust_cursor_eol();
may_trigger_modechanged();
}
/*
* Reset VIsual_active and VIsual_reselect.
*/
void
reset_VIsual_and_resel(void)
{
if (VIsual_active)
{
end_visual_mode();
redraw_curbuf_later(UPD_INVERTED); // delete the inversion later
}
VIsual_reselect = FALSE;
}
/*
* Reset VIsual_active and VIsual_reselect if it's set.
*/
void
reset_VIsual(void)
{
if (VIsual_active)
{
end_visual_mode();
redraw_curbuf_later(UPD_INVERTED); // delete the inversion later
VIsual_reselect = FALSE;
}
}
void
restore_visual_mode(void)
{
if (VIsual_mode_orig != NUL)
{
curbuf->b_visual.vi_mode = VIsual_mode_orig;
VIsual_mode_orig = NUL;
}
}
/*
* Check for a balloon-eval special item to include when searching for an
* identifier. When "dir" is BACKWARD "ptr[-1]" must be valid!
* Returns TRUE if the character at "*ptr" should be included.
* "dir" is FORWARD or BACKWARD, the direction of searching.
* "*colp" is in/decremented if "ptr[-dir]" should also be included.
* "bnp" points to a counter for square brackets.
*/
static int
find_is_eval_item(
char_u *ptr,
int *colp,
int *bnp,
int dir)
{
// Accept everything inside [].
if ((*ptr == ']' && dir == BACKWARD) || (*ptr == '[' && dir == FORWARD))
++*bnp;
if (*bnp > 0)
{
if ((*ptr == '[' && dir == BACKWARD) || (*ptr == ']' && dir == FORWARD))
--*bnp;
return TRUE;
}
// skip over "s.var"
if (*ptr == '.')
return TRUE;
// two-character item: s->var
if (ptr[dir == BACKWARD ? 0 : 1] == '>'
&& ptr[dir == BACKWARD ? -1 : 0] == '-')
{
*colp += dir;
return TRUE;
}
return FALSE;
}
/*
* Find the identifier under or to the right of the cursor.
* "find_type" can have one of three values:
* FIND_IDENT: find an identifier (keyword)
* FIND_STRING: find any non-white text
* FIND_IDENT + FIND_STRING: find any non-white text, identifier preferred.
* FIND_EVAL: find text useful for C program debugging
*
* There are three steps:
* 1. Search forward for the start of an identifier/text. Doesn't move if
* already on one.
* 2. Search backward for the start of this identifier/text.
* This doesn't match the real Vi but I like it a little better and it
* shouldn't bother anyone.
* 3. Search forward to the end of this identifier/text.
* When FIND_IDENT isn't defined, we backup until a blank.
*
* Returns the length of the text, or zero if no text is found.
* If text is found, a pointer to the text is put in "*text". This
* points into the current buffer line and is not always NUL terminated.
*/
int
find_ident_under_cursor(char_u **text, int find_type)
{
return find_ident_at_pos(curwin, curwin->w_cursor.lnum,
curwin->w_cursor.col, text, NULL, find_type);
}
/*
* Like find_ident_under_cursor(), but for any window and any position.
* However: Uses 'iskeyword' from the current window!.
*/
int
find_ident_at_pos(
win_T *wp,
linenr_T lnum,
colnr_T startcol,
char_u **text,
int *textcol, // column where "text" starts, can be NULL
int find_type)
{
char_u *ptr;
int col = 0; // init to shut up GCC
int i;
int this_class = 0;
int prev_class;
int prevcol;
int bn = 0; // bracket nesting
// if i == 0: try to find an identifier
// if i == 1: try to find any non-white text
ptr = ml_get_buf(wp->w_buffer, lnum, FALSE);
for (i = (find_type & FIND_IDENT) ? 0 : 1; i < 2; ++i)
{
/*
* 1. skip to start of identifier/text
*/
col = startcol;
if (has_mbyte)
{
while (ptr[col] != NUL)
{
// Stop at a ']' to evaluate "a[x]".
if ((find_type & FIND_EVAL) && ptr[col] == ']')
break;
this_class = mb_get_class(ptr + col);
if (this_class != 0 && (i == 1 || this_class != 1))
break;
col += (*mb_ptr2len)(ptr + col);
}
}
else
while (ptr[col] != NUL
&& (i == 0 ? !vim_iswordc(ptr[col]) : VIM_ISWHITE(ptr[col]))
&& (!(find_type & FIND_EVAL) || ptr[col] != ']')
)
++col;
// When starting on a ']' count it, so that we include the '['.
bn = ptr[col] == ']';
/*
* 2. Back up to start of identifier/text.
*/
if (has_mbyte)
{
// Remember class of character under cursor.
if ((find_type & FIND_EVAL) && ptr[col] == ']')
this_class = mb_get_class((char_u *)"a");
else
this_class = mb_get_class(ptr + col);
while (col > 0 && this_class != 0)
{
prevcol = col - 1 - (*mb_head_off)(ptr, ptr + col - 1);
prev_class = mb_get_class(ptr + prevcol);
if (this_class != prev_class
&& (i == 0
|| prev_class == 0
|| (find_type & FIND_IDENT))
&& (!(find_type & FIND_EVAL)
|| prevcol == 0
|| !find_is_eval_item(ptr + prevcol, &prevcol,
&bn, BACKWARD))
)
break;
col = prevcol;
}
// If we don't want just any old text, or we've found an
// identifier, stop searching.
if (this_class > 2)
this_class = 2;
if (!(find_type & FIND_STRING) || this_class == 2)
break;
}
else
{
while (col > 0
&& ((i == 0
? vim_iswordc(ptr[col - 1])
: (!VIM_ISWHITE(ptr[col - 1])
&& (!(find_type & FIND_IDENT)
|| !vim_iswordc(ptr[col - 1]))))
|| ((find_type & FIND_EVAL)
&& col > 1
&& find_is_eval_item(ptr + col - 1, &col,
&bn, BACKWARD))
))
--col;
// If we don't want just any old text, or we've found an
// identifier, stop searching.
if (!(find_type & FIND_STRING) || vim_iswordc(ptr[col]))
break;
}
}
if (ptr[col] == NUL || (i == 0
&& (has_mbyte ? this_class != 2 : !vim_iswordc(ptr[col]))))
{
// didn't find an identifier or text
if ((find_type & FIND_NOERROR) == 0)
{
if (find_type & FIND_STRING)
emsg(_(e_no_string_under_cursor));
else
emsg(_(e_no_identifier_under_cursor));
}
return 0;
}
ptr += col;
*text = ptr;
if (textcol != NULL)
*textcol = col;
/*
* 3. Find the end if the identifier/text.
*/
bn = 0;
startcol -= col;
col = 0;
if (has_mbyte)
{
// Search for point of changing multibyte character class.
this_class = mb_get_class(ptr);
while (ptr[col] != NUL
&& ((i == 0 ? mb_get_class(ptr + col) == this_class
: mb_get_class(ptr + col) != 0)
|| ((find_type & FIND_EVAL)
&& col <= (int)startcol
&& find_is_eval_item(ptr + col, &col, &bn, FORWARD))
))
col += (*mb_ptr2len)(ptr + col);
}
else
while ((i == 0 ? vim_iswordc(ptr[col])
: (ptr[col] != NUL && !VIM_ISWHITE(ptr[col])))
|| ((find_type & FIND_EVAL)
&& col <= (int)startcol
&& find_is_eval_item(ptr + col, &col, &bn, FORWARD))
)
++col;
return col;
}
/*
* Prepare for redo of a normal command.
*/
static void
prep_redo_cmd(cmdarg_T *cap)
{
prep_redo(cap->oap->regname, cap->count0,
NUL, cap->cmdchar, NUL, NUL, cap->nchar);
}
/*
* Prepare for redo of any command.
* Note that only the last argument can be a multi-byte char.
*/
void
prep_redo(
int regname,
long num,
int cmd1,
int cmd2,
int cmd3,
int cmd4,
int cmd5)
{
prep_redo_num2(regname, num, cmd1, cmd2, 0L, cmd3, cmd4, cmd5);
}
/*
* Prepare for redo of any command with extra count after "cmd2".
*/
void
prep_redo_num2(
int regname,
long num1,
int cmd1,
int cmd2,
long num2,
int cmd3,
int cmd4,
int cmd5)
{
ResetRedobuff();
#ifdef FEAT_EVAL
// Put info about a mapping in the redo buffer, so that "." will use the
// same script context.
may_add_last_used_map_to_redobuff();
#endif
if (regname != 0) // yank from specified buffer
{
AppendCharToRedobuff('"');
AppendCharToRedobuff(regname);
}
if (num1 != 0)
AppendNumberToRedobuff(num1);
if (cmd1 != NUL)
AppendCharToRedobuff(cmd1);
if (cmd2 != NUL)
AppendCharToRedobuff(cmd2);
if (num2 != 0)
AppendNumberToRedobuff(num2);
if (cmd3 != NUL)
AppendCharToRedobuff(cmd3);
if (cmd4 != NUL)
AppendCharToRedobuff(cmd4);
if (cmd5 != NUL)
AppendCharToRedobuff(cmd5);
}
/*
* Check for operator active and clear it.
*
* Beep and return TRUE if an operator was active.
*/
static int
checkclearop(oparg_T *oap)
{
if (oap->op_type == OP_NOP)
return FALSE;
clearopbeep(oap);
return TRUE;
}
/*
* Check for operator or Visual active. Clear active operator.
*
* Beep and return TRUE if an operator or Visual was active.
*/
static int
checkclearopq(oparg_T *oap)
{
if (oap->op_type == OP_NOP && !VIsual_active)
return FALSE;
clearopbeep(oap);
return TRUE;
}
void
clearop(oparg_T *oap)
{
oap->op_type = OP_NOP;
oap->regname = 0;
oap->motion_force = NUL;
oap->use_reg_one = FALSE;
motion_force = NUL;
}
void
clearopbeep(oparg_T *oap)
{
clearop(oap);
beep_flush();
}
/*
* Remove the shift modifier from a special key.
*/
static void
unshift_special(cmdarg_T *cap)
{
switch (cap->cmdchar)
{
case K_S_RIGHT: cap->cmdchar = K_RIGHT; break;
case K_S_LEFT: cap->cmdchar = K_LEFT; break;
case K_S_UP: cap->cmdchar = K_UP; break;
case K_S_DOWN: cap->cmdchar = K_DOWN; break;
case K_S_HOME: cap->cmdchar = K_HOME; break;
case K_S_END: cap->cmdchar = K_END; break;
}
cap->cmdchar = simplify_key(cap->cmdchar, &mod_mask);
}
/*
* If the mode is currently displayed clear the command line or update the
* command displayed.
*/
void
may_clear_cmdline(void)
{
if (mode_displayed)
clear_cmdline = TRUE; // unshow visual mode later
else
clear_showcmd();
}
/*
* Routines for displaying a partly typed command
*/
static char_u old_showcmd_buf[SHOWCMD_BUFLEN]; // For push_showcmd()
static int showcmd_is_clear = TRUE;
static int showcmd_visual = FALSE;
static void display_showcmd(void);
void
clear_showcmd(void)
{
if (!p_sc)
return;
if (VIsual_active && !char_avail())
{
int cursor_bot = LT_POS(VIsual, curwin->w_cursor);
long lines;
colnr_T leftcol, rightcol;
linenr_T top, bot;
// Show the size of the Visual area.
if (cursor_bot)
{
top = VIsual.lnum;
bot = curwin->w_cursor.lnum;
}
else
{
top = curwin->w_cursor.lnum;
bot = VIsual.lnum;
}
# ifdef FEAT_FOLDING
// Include closed folds as a whole.
(void)hasFolding(top, &top, NULL);
(void)hasFolding(bot, NULL, &bot);
# endif
lines = bot - top + 1;
if (VIsual_mode == Ctrl_V)
{
# ifdef FEAT_LINEBREAK
char_u *saved_sbr = p_sbr;
char_u *saved_w_sbr = curwin->w_p_sbr;
// Make 'sbr' empty for a moment to get the correct size.
p_sbr = empty_option;
curwin->w_p_sbr = empty_option;
# endif
getvcols(curwin, &curwin->w_cursor, &VIsual, &leftcol, &rightcol);
# ifdef FEAT_LINEBREAK
p_sbr = saved_sbr;
curwin->w_p_sbr = saved_w_sbr;
# endif
sprintf((char *)showcmd_buf, "%ldx%ld", lines,
(long)(rightcol - leftcol + 1));
}
else if (VIsual_mode == 'V' || VIsual.lnum != curwin->w_cursor.lnum)
sprintf((char *)showcmd_buf, "%ld", lines);
else
{
char_u *s, *e;
int l;
int bytes = 0;
int chars = 0;
if (cursor_bot)
{
s = ml_get_pos(&VIsual);
e = ml_get_cursor();
}
else
{
s = ml_get_cursor();
e = ml_get_pos(&VIsual);
}
while ((*p_sel != 'e') ? s <= e : s < e)
{
l = (*mb_ptr2len)(s);
if (l == 0)
{
++bytes;
++chars;
break; // end of line
}
bytes += l;
++chars;
s += l;
}
if (bytes == chars)
sprintf((char *)showcmd_buf, "%d", chars);
else
sprintf((char *)showcmd_buf, "%d-%d", chars, bytes);
}
showcmd_buf[SHOWCMD_COLS] = NUL; // truncate
showcmd_visual = TRUE;
}
else
{
showcmd_buf[0] = NUL;
showcmd_visual = FALSE;
// Don't actually display something if there is nothing to clear.
if (showcmd_is_clear)
return;
}
display_showcmd();
}
/*
* Add 'c' to string of shown command chars.
* Return TRUE if output has been written (and setcursor() has been called).
*/
int
add_to_showcmd(int c)
{
char_u *p;
int old_len;
int extra_len;
int overflow;
int i;
char_u mbyte_buf[MB_MAXBYTES];
static int ignore[] =
{
#ifdef FEAT_GUI
K_VER_SCROLLBAR, K_HOR_SCROLLBAR,
K_LEFTMOUSE_NM, K_LEFTRELEASE_NM,
#endif
K_IGNORE, K_PS,
K_LEFTMOUSE, K_LEFTDRAG, K_LEFTRELEASE, K_MOUSEMOVE,
K_MIDDLEMOUSE, K_MIDDLEDRAG, K_MIDDLERELEASE,
K_RIGHTMOUSE, K_RIGHTDRAG, K_RIGHTRELEASE,
K_MOUSEDOWN, K_MOUSEUP, K_MOUSELEFT, K_MOUSERIGHT,
K_X1MOUSE, K_X1DRAG, K_X1RELEASE, K_X2MOUSE, K_X2DRAG, K_X2RELEASE,
K_CURSORHOLD,
0
};
if (!p_sc || msg_silent != 0)
return FALSE;
if (showcmd_visual)
{
showcmd_buf[0] = NUL;
showcmd_visual = FALSE;
}
// Ignore keys that are scrollbar updates and mouse clicks
if (IS_SPECIAL(c))
for (i = 0; ignore[i] != 0; ++i)
if (ignore[i] == c)
return FALSE;
if (c <= 0x7f || !vim_isprintc(c))
{
p = transchar(c);
if (*p == ' ')
STRCPY(p, "<20>");
}
else
{
mbyte_buf[(*mb_char2bytes)(c, mbyte_buf)] = NUL;
p = mbyte_buf;
}
old_len = (int)STRLEN(showcmd_buf);
extra_len = (int)STRLEN(p);
overflow = old_len + extra_len - SHOWCMD_COLS;
if (overflow > 0)
mch_memmove(showcmd_buf, showcmd_buf + overflow,
old_len - overflow + 1);
STRCAT(showcmd_buf, p);
if (char_avail())
return FALSE;
display_showcmd();
return TRUE;
}
void
add_to_showcmd_c(int c)
{
if (!add_to_showcmd(c))
setcursor();
}
/*
* Delete 'len' characters from the end of the shown command.
*/
static void
del_from_showcmd(int len)
{
int old_len;
if (!p_sc)
return;
old_len = (int)STRLEN(showcmd_buf);
if (len > old_len)
len = old_len;
showcmd_buf[old_len - len] = NUL;
if (!char_avail())
display_showcmd();
}
/*
* push_showcmd() and pop_showcmd() are used when waiting for the user to type
* something and there is a partial mapping.
*/
void
push_showcmd(void)
{
if (p_sc)
STRCPY(old_showcmd_buf, showcmd_buf);
}
void
pop_showcmd(void)
{
if (!p_sc)
return;
STRCPY(showcmd_buf, old_showcmd_buf);
display_showcmd();
}
static void
display_showcmd(void)
{
int len = vim_strsize(showcmd_buf);
showcmd_is_clear = (len == 0);
cursor_off();
if (*p_sloc == 's')
{
if (showcmd_is_clear)
curwin->w_redr_status = TRUE;
else
win_redr_status(curwin, FALSE);
}
else if (*p_sloc == 't')
{
if (showcmd_is_clear)
redraw_tabline = TRUE;
else
draw_tabline();
}
else // 'showcmdloc' is "last" or empty
{
if (!showcmd_is_clear)
screen_puts(showcmd_buf, (int)Rows - 1, sc_col, 0);
// clear the rest of an old message by outputting up to SHOWCMD_COLS
// spaces
screen_puts((char_u *)" " + len,
(int)Rows - 1, sc_col + len, 0);
}
setcursor(); // put cursor back where it belongs
}
/*
* When "check" is FALSE, prepare for commands that scroll the window.
* When "check" is TRUE, take care of scroll-binding after the window has
* scrolled. Called from normal_cmd() and edit().
*/
void
do_check_scrollbind(int check)
{
static win_T *old_curwin = NULL;
static linenr_T old_topline = 0;
#ifdef FEAT_DIFF
static int old_topfill = 0;
#endif
static buf_T *old_buf = NULL;
static colnr_T old_leftcol = 0;
if (check && curwin->w_p_scb)
{
// If a ":syncbind" command was just used, don't scroll, only reset
// the values.
if (did_syncbind)
did_syncbind = FALSE;
else if (curwin == old_curwin)
{
// Synchronize other windows, as necessary according to
// 'scrollbind'. Don't do this after an ":edit" command, except
// when 'diff' is set.
if ((curwin->w_buffer == old_buf
#ifdef FEAT_DIFF
|| curwin->w_p_diff
#endif
)
&& (curwin->w_topline != old_topline
#ifdef FEAT_DIFF
|| curwin->w_topfill != old_topfill
#endif
|| curwin->w_leftcol != old_leftcol))
{
check_scrollbind(curwin->w_topline - old_topline,
(long)(curwin->w_leftcol - old_leftcol));
}
}
else if (vim_strchr(p_sbo, 'j')) // jump flag set in 'scrollopt'
{
// When switching between windows, make sure that the relative
// vertical offset is valid for the new window. The relative
// offset is invalid whenever another 'scrollbind' window has
// scrolled to a point that would force the current window to
// scroll past the beginning or end of its buffer. When the
// resync is performed, some of the other 'scrollbind' windows may
// need to jump so that the current window's relative position is
// visible on-screen.
check_scrollbind(curwin->w_topline - curwin->w_scbind_pos, 0L);
}
curwin->w_scbind_pos = curwin->w_topline;
}
old_curwin = curwin;
old_topline = curwin->w_topline;
#ifdef FEAT_DIFF
old_topfill = curwin->w_topfill;
#endif
old_buf = curwin->w_buffer;
old_leftcol = curwin->w_leftcol;
}
/*
* Synchronize any windows that have "scrollbind" set, based on the
* number of rows by which the current window has changed
* (1998-11-02 16:21:01 R. Edward Ralston <eralston@computer.org>)
*/
void
check_scrollbind(linenr_T topline_diff, long leftcol_diff)
{
int want_ver;
int want_hor;
win_T *old_curwin = curwin;
buf_T *old_curbuf = curbuf;
int old_VIsual_select = VIsual_select;
int old_VIsual_active = VIsual_active;
colnr_T tgt_leftcol = curwin->w_leftcol;
long topline;
long y;
// check 'scrollopt' string for vertical and horizontal scroll options
want_ver = (vim_strchr(p_sbo, 'v') && topline_diff != 0);
#ifdef FEAT_DIFF
want_ver |= old_curwin->w_p_diff;
#endif
want_hor = (vim_strchr(p_sbo, 'h') && (leftcol_diff || topline_diff != 0));
// loop through the scrollbound windows and scroll accordingly
VIsual_select = VIsual_active = 0;
FOR_ALL_WINDOWS(curwin)
{
curbuf = curwin->w_buffer;
// skip original window and windows with 'noscrollbind'
if (curwin == old_curwin || !curwin->w_p_scb)
continue;
// do the vertical scroll
if (want_ver)
{
#ifdef FEAT_DIFF
if (old_curwin->w_p_diff && curwin->w_p_diff)
{
diff_set_topline(old_curwin, curwin);
}
else
#endif
{
curwin->w_scbind_pos += topline_diff;
topline = curwin->w_scbind_pos;
if (topline > curbuf->b_ml.ml_line_count)
topline = curbuf->b_ml.ml_line_count;
if (topline < 1)
topline = 1;
y = topline - curwin->w_topline;
if (y > 0)
scrollup(y, FALSE);
else
scrolldown(-y, FALSE);
}
redraw_later(UPD_VALID);
cursor_correct();
curwin->w_redr_status = TRUE;
}
// do the horizontal scroll
if (want_hor)
(void)set_leftcol(tgt_leftcol);
}
// reset current-window
VIsual_select = old_VIsual_select;
VIsual_active = old_VIsual_active;
curwin = old_curwin;
curbuf = old_curbuf;
}
/*
* Command character that's ignored.
* Used for CTRL-Q and CTRL-S to avoid problems with terminals that use
* xon/xoff.
*/
static void
nv_ignore(cmdarg_T *cap)
{
cap->retval |= CA_COMMAND_BUSY; // don't call edit() now
}
/*
* Command character that doesn't do anything, but unlike nv_ignore() does
* start edit(). Used for "startinsert" executed while starting up.
*/
static void
nv_nop(cmdarg_T *cap UNUSED)
{
}
/*
* Command character doesn't exist.
*/
static void
nv_error(cmdarg_T *cap)
{
clearopbeep(cap->oap);
}
/*
* <Help> and <F1> commands.
*/
static void
nv_help(cmdarg_T *cap)
{
if (!checkclearopq(cap->oap))
ex_help(NULL);
}
/*
* CTRL-A and CTRL-X: Add or subtract from letter or number under cursor.
*/
static void
nv_addsub(cmdarg_T *cap)
{
#ifdef FEAT_JOB_CHANNEL
if (bt_prompt(curbuf) && !prompt_curpos_editable())
clearopbeep(cap->oap);
else
#endif
if (!VIsual_active && cap->oap->op_type == OP_NOP)
{
prep_redo_cmd(cap);
cap->oap->op_type = cap->cmdchar == Ctrl_A ? OP_NR_ADD : OP_NR_SUB;
op_addsub(cap->oap, cap->count1, cap->arg);
cap->oap->op_type = OP_NOP;
}
else if (VIsual_active)
nv_operator(cap);
else
clearop(cap->oap);
}
/*
* CTRL-F, CTRL-B, etc: Scroll page up or down.
*/
static void
nv_page(cmdarg_T *cap)
{
if (checkclearop(cap->oap))
return;
if (mod_mask & MOD_MASK_CTRL)
{
// <C-PageUp>: tab page back; <C-PageDown>: tab page forward
if (cap->arg == BACKWARD)
goto_tabpage(-(int)cap->count1);
else
goto_tabpage((int)cap->count0);
}
else
(void)pagescroll(cap->arg, cap->count1, FALSE);
}
/*
* Implementation of "gd" and "gD" command.
*/
static void
nv_gd(
oparg_T *oap,
int nchar,
int thisblock) // 1 for "1gd" and "1gD"
{
int len;
char_u *ptr;
if ((len = find_ident_under_cursor(&ptr, FIND_IDENT)) == 0
|| find_decl(ptr, len, nchar == 'd', thisblock, SEARCH_START)
== FAIL)
{
clearopbeep(oap);
return;
}
#ifdef FEAT_FOLDING
if ((fdo_flags & FDO_SEARCH) && KeyTyped && oap->op_type == OP_NOP)
foldOpenCursor();
#endif
// clear any search statistics
if (messaging() && !msg_silent && !shortmess(SHM_SEARCHCOUNT))
clear_cmdline = TRUE;
}
/*
* Return TRUE if line[offset] is not inside a C-style comment or string, FALSE
* otherwise.
*/
static int
is_ident(char_u *line, int offset)
{
int i;
int incomment = FALSE;
int instring = 0;
int prev = 0;
for (i = 0; i < offset && line[i] != NUL; i++)
{
if (instring != 0)
{
if (prev != '\\' && line[i] == instring)
instring = 0;
}
else if ((line[i] == '"' || line[i] == '\'') && !incomment)
{
instring = line[i];
}
else
{
if (incomment)
{
if (prev == '*' && line[i] == '/')
incomment = FALSE;
}
else if (prev == '/' && line[i] == '*')
{
incomment = TRUE;
}
else if (prev == '/' && line[i] == '/')
{
return FALSE;
}
}
prev = line[i];
}
return incomment == FALSE && instring == 0;
}
/*
* Search for variable declaration of "ptr[len]".
* When "locally" is TRUE in the current function ("gd"), otherwise in the
* current file ("gD").
* When "thisblock" is TRUE check the {} block scope.
* Return FAIL when not found.
*/
int
find_decl(
char_u *ptr,
int len,
int locally,
int thisblock,
int flags_arg) // flags passed to searchit()
{
char_u *pat;
size_t patlen;
pos_T old_pos;
pos_T par_pos;
pos_T found_pos;
int t;
int save_p_ws;
int save_p_scs;
int retval = OK;
int incll;
int searchflags = flags_arg;
int valid;
if ((pat = alloc(len + 7)) == NULL)
return FAIL;
// Put "\V" before the pattern to avoid that the special meaning of "."
// and "~" causes trouble.
patlen = vim_snprintf((char *)pat, len + 7,
vim_iswordp(ptr) ? "\\V\\<%.*s\\>" : "\\V%.*s", len, ptr);
old_pos = curwin->w_cursor;
save_p_ws = p_ws;
save_p_scs = p_scs;
p_ws = FALSE; // don't wrap around end of file now
p_scs = FALSE; // don't switch ignorecase off now
// With "gD" go to line 1.
// With "gd" Search back for the start of the current function, then go
// back until a blank line. If this fails go to line 1.
if (!locally || !findpar(&incll, BACKWARD, 1L, '{', FALSE))
{
setpcmark(); // Set in findpar() otherwise
curwin->w_cursor.lnum = 1;
par_pos = curwin->w_cursor;
}
else
{
par_pos = curwin->w_cursor;
while (curwin->w_cursor.lnum > 1 && *skipwhite(ml_get_curline()) != NUL)
--curwin->w_cursor.lnum;
}
curwin->w_cursor.col = 0;
// Search forward for the identifier, ignore comment lines.
CLEAR_POS(&found_pos);
for (;;)
{
t = searchit(curwin, curbuf, &curwin->w_cursor, NULL, FORWARD,
pat, patlen, 1L, searchflags, RE_LAST, NULL);
if (curwin->w_cursor.lnum >= old_pos.lnum)
t = FAIL; // match after start is failure too
if (thisblock && t != FAIL)
{
pos_T *pos;
// Check that the block the match is in doesn't end before the
// position where we started the search from.
if ((pos = findmatchlimit(NULL, '}', FM_FORWARD,
(int)(old_pos.lnum - curwin->w_cursor.lnum + 1))) != NULL
&& pos->lnum < old_pos.lnum)
{
// There can't be a useful match before the end of this block.
// Skip to the end.
curwin->w_cursor = *pos;
continue;
}
}
if (t == FAIL)
{
// If we previously found a valid position, use it.
if (found_pos.lnum != 0)
{
curwin->w_cursor = found_pos;
t = OK;
}
break;
}
if (get_leader_len(ml_get_curline(), NULL, FALSE, TRUE) > 0)
{
// Ignore this line, continue at start of next line.
++curwin->w_cursor.lnum;
curwin->w_cursor.col = 0;
continue;
}
valid = is_ident(ml_get_curline(), curwin->w_cursor.col);
// If the current position is not a valid identifier and a previous
// match is present, favor that one instead.
if (!valid && found_pos.lnum != 0)
{
curwin->w_cursor = found_pos;
break;
}
// Global search: use first valid match found
if (valid && !locally)
break;
if (valid && curwin->w_cursor.lnum >= par_pos.lnum)
{
// If we previously found a valid position, use it.
if (found_pos.lnum != 0)
curwin->w_cursor = found_pos;
break;
}
// For finding a local variable and the match is before the "{" or
// inside a comment, continue searching. For K&R style function
// declarations this skips the function header without types.
if (!valid)
CLEAR_POS(&found_pos);
else
found_pos = curwin->w_cursor;
// Remove SEARCH_START from flags to avoid getting stuck at one
// position.
searchflags &= ~SEARCH_START;
}
if (t == FAIL)
{
retval = FAIL;
curwin->w_cursor = old_pos;
}
else
{
curwin->w_set_curswant = TRUE;
// "n" searches forward now
reset_search_dir();
}
vim_free(pat);
p_ws = save_p_ws;
p_scs = save_p_scs;
return retval;
}
/*
* Move 'dist' lines in direction 'dir', counting lines by *screen*
* lines rather than lines in the file.
* 'dist' must be positive.
*
* Return OK if able to move cursor, FAIL otherwise.
*/
int
nv_screengo(oparg_T *oap, int dir, long dist)
{
int linelen = linetabsize_no_outer(curwin, curwin->w_cursor.lnum);
int retval = OK;
int atend = FALSE;
int n;
int col_off1; // margin offset for first screen line
int col_off2; // margin offset for wrapped screen line
int width1; // text width for first screen line
int width2; // text width for wrapped screen line
oap->motion_type = MCHAR;
oap->inclusive = (curwin->w_curswant == MAXCOL);
col_off1 = curwin_col_off();
col_off2 = col_off1 - curwin_col_off2();
width1 = curwin->w_width - col_off1;
width2 = curwin->w_width - col_off2;
if (width2 == 0)
width2 = 1; // avoid divide by zero
if (curwin->w_width != 0)
{
// Instead of sticking at the last character of the buffer line we
// try to stick in the last column of the screen.
if (curwin->w_curswant == MAXCOL)
{
atend = TRUE;
validate_virtcol();
if (width1 <= 0)
curwin->w_curswant = 0;
else
{
curwin->w_curswant = width1 - 1;
if (curwin->w_virtcol > curwin->w_curswant)
curwin->w_curswant += ((curwin->w_virtcol
- curwin->w_curswant - 1) / width2 + 1) * width2;
}
}
else
{
if (linelen > width1)
n = ((linelen - width1 - 1) / width2 + 1) * width2 + width1;
else
n = width1;
if (curwin->w_curswant >= (colnr_T)n)
curwin->w_curswant = n - 1;
}
while (dist--)
{
if (dir == BACKWARD)
{
if ((long)curwin->w_curswant >= width1
#ifdef FEAT_FOLDING
&& !hasFolding(curwin->w_cursor.lnum, NULL, NULL)
#endif
)
// Move back within the line. This can give a negative value
// for w_curswant if width1 < width2 (with cpoptions+=n),
// which will get clipped to column 0.
curwin->w_curswant -= width2;
else
{
// to previous line
if (curwin->w_cursor.lnum <= 1)
{
retval = FAIL;
break;
}
cursor_up_inner(curwin, 1);
linelen = linetabsize_no_outer(curwin, curwin->w_cursor.lnum);
if (linelen > width1)
curwin->w_curswant += (((linelen - width1 - 1) / width2)
+ 1) * width2;
}
}
else // dir == FORWARD
{
if (linelen > width1)
n = ((linelen - width1 - 1) / width2 + 1) * width2 + width1;
else
n = width1;
if (curwin->w_curswant + width2 < (colnr_T)n
#ifdef FEAT_FOLDING
&& !hasFolding(curwin->w_cursor.lnum, NULL, NULL)
#endif
)
// move forward within line
curwin->w_curswant += width2;
else
{
// to next line
if (curwin->w_cursor.lnum
>= curwin->w_buffer->b_ml.ml_line_count)
{
retval = FAIL;
break;
}
cursor_down_inner(curwin, 1);
curwin->w_curswant %= width2;
// Check if the cursor has moved below the number display
// when width1 < width2 (with cpoptions+=n). Subtract width2
// to get a negative value for w_curswant, which will get
// clipped to column 0.
if (curwin->w_curswant >= width1)
curwin->w_curswant -= width2;
linelen = linetabsize_no_outer(curwin, curwin->w_cursor.lnum);
}
}
}
}
if (virtual_active() && atend)
coladvance(MAXCOL);
else
coladvance(curwin->w_curswant);
if (curwin->w_cursor.col > 0 && curwin->w_p_wrap)
{
colnr_T virtcol;
int c;
// Check for landing on a character that got split at the end of the
// last line. We want to advance a screenline, not end up in the same
// screenline or move two screenlines.
validate_virtcol();
virtcol = curwin->w_virtcol;
#if defined(FEAT_LINEBREAK)
if (virtcol > (colnr_T)width1 && *get_showbreak_value(curwin) != NUL)
virtcol -= vim_strsize(get_showbreak_value(curwin));
#endif
c = (*mb_ptr2char)(ml_get_cursor());
if (dir == FORWARD && virtcol < curwin->w_curswant
&& (curwin->w_curswant <= (colnr_T)width1)
&& !vim_isprintc(c) && c > 255)
oneright();
if (virtcol > curwin->w_curswant
&& (curwin->w_curswant < (colnr_T)width1
? (curwin->w_curswant > (colnr_T)width1 / 2)
: ((curwin->w_curswant - width1) % width2
> (colnr_T)width2 / 2)))
--curwin->w_cursor.col;
}
if (atend)
curwin->w_curswant = MAXCOL; // stick in the last column
adjust_skipcol();
return retval;
}
/*
* Handle CTRL-E and CTRL-Y commands: scroll a line up or down.
* cap->arg must be TRUE for CTRL-E.
*/
void
nv_scroll_line(cmdarg_T *cap)
{
if (!checkclearop(cap->oap))
scroll_redraw(cap->arg, cap->count1);
}
/*
* Get the count specified after a 'z' command. Only the 'z<CR>', 'zl', 'zh',
* 'z<Left>', and 'z<Right>' commands accept a count after 'z'.
* Returns TRUE to process the 'z' command and FALSE to skip it.
*/
static int
nv_z_get_count(cmdarg_T *cap, int *nchar_arg)
{
int nchar = *nchar_arg;
long n;
// "z123{nchar}": edit the count before obtaining {nchar}
if (checkclearop(cap->oap))
return FALSE;
n = nchar - '0';
for (;;)
{
#ifdef USE_ON_FLY_SCROLL
dont_scroll = TRUE; // disallow scrolling here
#endif
++no_mapping;
++allow_keys; // no mapping for nchar, but allow key codes
nchar = plain_vgetc();
LANGMAP_ADJUST(nchar, TRUE);
--no_mapping;
--allow_keys;
(void)add_to_showcmd(nchar);
if (nchar == K_DEL || nchar == K_KDEL)
n /= 10;
else if (VIM_ISDIGIT(nchar))
{
if (vim_append_digit_long(&n, nchar - '0') == FAIL)
{
clearopbeep(cap->oap);
break;
}
}
else if (nchar == CAR)
{
#ifdef FEAT_GUI
need_mouse_correct = TRUE;
#endif
win_setheight((int)n);
break;
}
else if (nchar == 'l'
|| nchar == 'h'
|| nchar == K_LEFT
|| nchar == K_RIGHT)
{
cap->count1 = n ? n * cap->count1 : cap->count1;
*nchar_arg = nchar;
return TRUE;
}
else
{
clearopbeep(cap->oap);
break;
}
}
cap->oap->op_type = OP_NOP;
return FALSE;
}
#ifdef FEAT_SPELL
/*
* "zug" and "zuw": undo "zg" and "zw"
* "zg": add good word to word list
* "zw": add wrong word to word list
* "zG": add good word to temp word list
* "zW": add wrong word to temp word list
*/
static int
nv_zg_zw(cmdarg_T *cap, int nchar)
{
char_u *ptr = NULL;
int len;
int undo = FALSE;
if (nchar == 'u')
{
++no_mapping;
++allow_keys; // no mapping for nchar, but allow key codes
nchar = plain_vgetc();
LANGMAP_ADJUST(nchar, TRUE);
--no_mapping;
--allow_keys;
(void)add_to_showcmd(nchar);
if (vim_strchr((char_u *)"gGwW", nchar) == NULL)
{
clearopbeep(cap->oap);
return OK;
}
undo = TRUE;
}
if (checkclearop(cap->oap))
return OK;
if (VIsual_active && get_visual_text(cap, &ptr, &len) == FAIL)
return FAIL;
if (ptr == NULL)
{
pos_T pos = curwin->w_cursor;
// Find bad word under the cursor. When 'spell' is
// off this fails and find_ident_under_cursor() is
// used below.
emsg_off++;
len = spell_move_to(curwin, FORWARD, SMT_ALL, TRUE, NULL);
emsg_off--;
if (len != 0 && curwin->w_cursor.col <= pos.col)
ptr = ml_get_pos(&curwin->w_cursor);
curwin->w_cursor = pos;
}
if (ptr == NULL
&& (len = find_ident_under_cursor(&ptr, FIND_IDENT)) == 0)
return FAIL;
spell_add_word(ptr, len, nchar == 'w' || nchar == 'W'
? SPELL_ADD_BAD : SPELL_ADD_GOOD,
(nchar == 'G' || nchar == 'W') ? 0 : (int)cap->count1, undo);
return OK;
}
#endif
/*
* Commands that start with "z".
*/
static void
nv_zet(cmdarg_T *cap)
{
long n;
colnr_T col;
int nchar = cap->nchar;
#ifdef FEAT_FOLDING
long old_fdl = curwin->w_p_fdl;
int old_fen = curwin->w_p_fen;
#endif
long siso = get_sidescrolloff_value();
if (VIM_ISDIGIT(nchar) && !nv_z_get_count(cap, &nchar))
return;
if (
#ifdef FEAT_FOLDING
// "zf" and "zF" are always an operator, "zd", "zo", "zO", "zc"
// and "zC" only in Visual mode. "zj" and "zk" are motion
// commands.
cap->nchar != 'f' && cap->nchar != 'F'
&& !(VIsual_active && vim_strchr((char_u *)"dcCoO", cap->nchar))
&& cap->nchar != 'j' && cap->nchar != 'k'
&&
#endif
checkclearop(cap->oap))
return;
// For "z+", "z<CR>", "zt", "z.", "zz", "z^", "z-", "zb":
// If line number given, set cursor.
if ((vim_strchr((char_u *)"+\r\nt.z^-b", nchar) != NULL)
&& cap->count0
&& cap->count0 != curwin->w_cursor.lnum)
{
setpcmark();
if (cap->count0 > curbuf->b_ml.ml_line_count)
curwin->w_cursor.lnum = curbuf->b_ml.ml_line_count;
else
curwin->w_cursor.lnum = cap->count0;
check_cursor_col();
}
switch (nchar)
{
// "z+", "z<CR>" and "zt": put cursor at top of screen
case '+':
if (cap->count0 == 0)
{
// No count given: put cursor at the line below screen
validate_botline(); // make sure w_botline is valid
if (curwin->w_botline > curbuf->b_ml.ml_line_count)
curwin->w_cursor.lnum = curbuf->b_ml.ml_line_count;
else
curwin->w_cursor.lnum = curwin->w_botline;
}
// FALLTHROUGH
case NL:
case CAR:
case K_KENTER:
beginline(BL_WHITE | BL_FIX);
// FALLTHROUGH
case 't': scroll_cursor_top(0, TRUE);
redraw_later(UPD_VALID);
set_fraction(curwin);
break;
// "z." and "zz": put cursor in middle of screen
case '.': beginline(BL_WHITE | BL_FIX);
// FALLTHROUGH
case 'z': scroll_cursor_halfway(TRUE, FALSE);
redraw_later(UPD_VALID);
set_fraction(curwin);
break;
// "z^", "z-" and "zb": put cursor at bottom of screen
case '^': // Strange Vi behavior: <count>z^ finds line at top of window
// when <count> is at bottom of window, and puts that one at
// bottom of window.
if (cap->count0 != 0)
{
scroll_cursor_bot(0, TRUE);
curwin->w_cursor.lnum = curwin->w_topline;
}
else if (curwin->w_topline == 1)
curwin->w_cursor.lnum = 1;
else
curwin->w_cursor.lnum = curwin->w_topline - 1;
// FALLTHROUGH
case '-':
beginline(BL_WHITE | BL_FIX);
// FALLTHROUGH
case 'b': scroll_cursor_bot(0, TRUE);
redraw_later(UPD_VALID);
set_fraction(curwin);
break;
// "zH" - scroll screen right half-page
case 'H':
cap->count1 *= curwin->w_width / 2;
// FALLTHROUGH
// "zh" - scroll screen to the right
case 'h':
case K_LEFT:
if (!curwin->w_p_wrap)
(void)set_leftcol((colnr_T)cap->count1 > curwin->w_leftcol
? 0 : curwin->w_leftcol - (colnr_T)cap->count1);
break;
// "zL" - scroll window left half-page
case 'L': cap->count1 *= curwin->w_width / 2;
// FALLTHROUGH
// "zl" - scroll window to the left if not wrapping
case 'l':
case K_RIGHT:
if (!curwin->w_p_wrap)
(void)set_leftcol(curwin->w_leftcol + (colnr_T)cap->count1);
break;
// "zs" - scroll screen, cursor at the start
case 's': if (!curwin->w_p_wrap)
{
#ifdef FEAT_FOLDING
if (hasFolding(curwin->w_cursor.lnum, NULL, NULL))
col = 0; // like the cursor is in col 0
else
#endif
getvcol(curwin, &curwin->w_cursor, &col, NULL, NULL);
if ((long)col > siso)
col -= siso;
else
col = 0;
if (curwin->w_leftcol != col)
{
curwin->w_leftcol = col;
redraw_later(UPD_NOT_VALID);
}
}
break;
// "ze" - scroll screen, cursor at the end
case 'e': if (!curwin->w_p_wrap)
{
#ifdef FEAT_FOLDING
if (hasFolding(curwin->w_cursor.lnum, NULL, NULL))
col = 0; // like the cursor is in col 0
else
#endif
getvcol(curwin, &curwin->w_cursor, NULL, NULL, &col);
n = curwin->w_width - curwin_col_off();
if ((long)col + siso < n)
col = 0;
else
col = col + siso - n + 1;
if (curwin->w_leftcol != col)
{
curwin->w_leftcol = col;
redraw_later(UPD_NOT_VALID);
}
}
break;
// "zp", "zP" in block mode put without addind trailing spaces
case 'P':
case 'p': nv_put(cap);
break;
// "zy" Yank without trailing spaces
case 'y': nv_operator(cap);
break;
#ifdef FEAT_FOLDING
// "zF": create fold command
// "zf": create fold operator
case 'F':
case 'f': if (foldManualAllowed(TRUE))
{
cap->nchar = 'f';
nv_operator(cap);
curwin->w_p_fen = TRUE;
// "zF" is like "zfzf"
if (nchar == 'F' && cap->oap->op_type == OP_FOLD)
{
nv_operator(cap);
finish_op = TRUE;
}
}
else
clearopbeep(cap->oap);
break;
// "zd": delete fold at cursor
// "zD": delete fold at cursor recursively
case 'd':
case 'D': if (foldManualAllowed(FALSE))
{
if (VIsual_active)
nv_operator(cap);
else
deleteFold(curwin->w_cursor.lnum,
curwin->w_cursor.lnum, nchar == 'D', FALSE);
}
break;
// "zE": erase all folds
case 'E': if (foldmethodIsManual(curwin))
{
clearFolding(curwin);
changed_window_setting();
}
else if (foldmethodIsMarker(curwin))
deleteFold((linenr_T)1, curbuf->b_ml.ml_line_count,
TRUE, FALSE);
else
emsg(_(e_cannot_erase_folds_with_current_foldmethod));
break;
// "zn": fold none: reset 'foldenable'
case 'n': curwin->w_p_fen = FALSE;
break;
// "zN": fold Normal: set 'foldenable'
case 'N': curwin->w_p_fen = TRUE;
break;
// "zi": invert folding: toggle 'foldenable'
case 'i': curwin->w_p_fen = !curwin->w_p_fen;
break;
// "za": open closed fold or close open fold at cursor
case 'a': if (hasFolding(curwin->w_cursor.lnum, NULL, NULL))
openFold(curwin->w_cursor.lnum, cap->count1);
else
{
closeFold(curwin->w_cursor.lnum, cap->count1);
curwin->w_p_fen = TRUE;
}
break;
// "zA": open fold at cursor recursively
case 'A': if (hasFolding(curwin->w_cursor.lnum, NULL, NULL))
openFoldRecurse(curwin->w_cursor.lnum);
else
{
closeFoldRecurse(curwin->w_cursor.lnum);
curwin->w_p_fen = TRUE;
}
break;
// "zo": open fold at cursor or Visual area
case 'o': if (VIsual_active)
nv_operator(cap);
else
openFold(curwin->w_cursor.lnum, cap->count1);
break;
// "zO": open fold recursively
case 'O': if (VIsual_active)
nv_operator(cap);
else
openFoldRecurse(curwin->w_cursor.lnum);
break;
// "zc": close fold at cursor or Visual area
case 'c': if (VIsual_active)
nv_operator(cap);
else
closeFold(curwin->w_cursor.lnum, cap->count1);
curwin->w_p_fen = TRUE;
break;
// "zC": close fold recursively
case 'C': if (VIsual_active)
nv_operator(cap);
else
closeFoldRecurse(curwin->w_cursor.lnum);
curwin->w_p_fen = TRUE;
break;
// "zv": open folds at the cursor
case 'v': foldOpenCursor();
break;
// "zx": re-apply 'foldlevel' and open folds at the cursor
case 'x': curwin->w_p_fen = TRUE;
curwin->w_foldinvalid = TRUE; // recompute folds
newFoldLevel(); // update right now
foldOpenCursor();
break;
// "zX": undo manual opens/closes, re-apply 'foldlevel'
case 'X': curwin->w_p_fen = TRUE;
curwin->w_foldinvalid = TRUE; // recompute folds
old_fdl = -1; // force an update
break;
// "zm": fold more
case 'm': if (curwin->w_p_fdl > 0)
{
curwin->w_p_fdl -= cap->count1;
if (curwin->w_p_fdl < 0)
curwin->w_p_fdl = 0;
}
old_fdl = -1; // force an update
curwin->w_p_fen = TRUE;
break;
// "zM": close all folds
case 'M': curwin->w_p_fdl = 0;
old_fdl = -1; // force an update
curwin->w_p_fen = TRUE;
break;
// "zr": reduce folding
case 'r': curwin->w_p_fdl += cap->count1;
{
int d = getDeepestNesting();
if (curwin->w_p_fdl >= d)
curwin->w_p_fdl = d;
}
break;
// "zR": open all folds
case 'R': curwin->w_p_fdl = getDeepestNesting();
old_fdl = -1; // force an update
break;
case 'j': // "zj" move to next fold downwards
case 'k': // "zk" move to next fold upwards
if (foldMoveTo(TRUE, nchar == 'j' ? FORWARD : BACKWARD,
cap->count1) == FAIL)
clearopbeep(cap->oap);
break;
#endif // FEAT_FOLDING
#ifdef FEAT_SPELL
case 'u': // "zug" and "zuw": undo "zg" and "zw"
case 'g': // "zg": add good word to word list
case 'w': // "zw": add wrong word to word list
case 'G': // "zG": add good word to temp word list
case 'W': // "zW": add wrong word to temp word list
if (nv_zg_zw(cap, nchar) == FAIL)
return;
break;
case '=': // "z=": suggestions for a badly spelled word
if (!checkclearop(cap->oap))
spell_suggest((int)cap->count0);
break;
#endif
default: clearopbeep(cap->oap);
}
#ifdef FEAT_FOLDING
// Redraw when 'foldenable' changed
if (old_fen != curwin->w_p_fen)
{
# ifdef FEAT_DIFF
win_T *wp;
if (foldmethodIsDiff(curwin) && curwin->w_p_scb)
{
// Adjust 'foldenable' in diff-synced windows.
FOR_ALL_WINDOWS(wp)
{
if (wp != curwin && foldmethodIsDiff(wp) && wp->w_p_scb)
{
wp->w_p_fen = curwin->w_p_fen;
changed_window_setting_win(wp);
}
}
}
# endif
changed_window_setting();
}
// Redraw when 'foldlevel' changed.
if (old_fdl != curwin->w_p_fdl)
newFoldLevel();
#endif
}
#ifdef FEAT_GUI
/*
* Vertical scrollbar movement.
*/
static void
nv_ver_scrollbar(cmdarg_T *cap)
{
if (cap->oap->op_type != OP_NOP)
clearopbeep(cap->oap);
// Even if an operator was pending, we still want to scroll
gui_do_scroll();
}
/*
* Horizontal scrollbar movement.
*/
static void
nv_hor_scrollbar(cmdarg_T *cap)
{
if (cap->oap->op_type != OP_NOP)
clearopbeep(cap->oap);
// Even if an operator was pending, we still want to scroll
do_mousescroll_horiz(scrollbar_value);
}
#endif
#if defined(FEAT_GUI_TABLINE) || defined(PROTO)
/*
* Click in GUI tab.
*/
static void
nv_tabline(cmdarg_T *cap)
{
if (cap->oap->op_type != OP_NOP)
clearopbeep(cap->oap);
// Even if an operator was pending, we still want to jump tabs.
goto_tabpage(current_tab);
}
/*
* Selected item in tab line menu.
*/
static void
nv_tabmenu(cmdarg_T *cap)
{
if (cap->oap->op_type != OP_NOP)
clearopbeep(cap->oap);
// Even if an operator was pending, we still want to jump tabs.
handle_tabmenu();
}
/*
* Handle selecting an item of the GUI tab line menu.
* Used in Normal and Insert mode.
*/
void
handle_tabmenu(void)
{
switch (current_tabmenu)
{
case TABLINE_MENU_CLOSE:
if (current_tab == 0)
do_cmdline_cmd((char_u *)"tabclose");
else
{
vim_snprintf((char *)IObuff, IOSIZE, "tabclose %d",
current_tab);
do_cmdline_cmd(IObuff);
}
break;
case TABLINE_MENU_NEW:
if (current_tab == 0)
do_cmdline_cmd((char_u *)"$tabnew");
else
{
vim_snprintf((char *)IObuff, IOSIZE, "%dtabnew",
current_tab - 1);
do_cmdline_cmd(IObuff);
}
break;
case TABLINE_MENU_OPEN:
if (current_tab == 0)
do_cmdline_cmd((char_u *)"browse $tabnew");
else
{
vim_snprintf((char *)IObuff, IOSIZE, "browse %dtabnew",
current_tab - 1);
do_cmdline_cmd(IObuff);
}
break;
}
}
#endif
/*
* "Q" command.
*/
static void
nv_exmode(cmdarg_T *cap)
{
// Ignore 'Q' in Visual mode, just give a beep.
if (VIsual_active)
vim_beep(BO_EX);
else if (!checkclearop(cap->oap))
do_exmode(FALSE);
}
/*
* Handle a ":" command.
*/
static void
nv_colon(cmdarg_T *cap)
{
int old_p_im;
int cmd_result;
int is_cmdkey = cap->cmdchar == K_COMMAND
|| cap->cmdchar == K_SCRIPT_COMMAND;
int flags;
if (VIsual_active && !is_cmdkey)
{
nv_operator(cap);
return;
}
if (cap->oap->op_type != OP_NOP)
{
// Using ":" as a movement is characterwise exclusive.
cap->oap->motion_type = MCHAR;
cap->oap->inclusive = FALSE;
}
else if (cap->count0 && !is_cmdkey)
{
// translate "count:" into ":.,.+(count - 1)"
stuffcharReadbuff('.');
if (cap->count0 > 1)
{
stuffReadbuff((char_u *)",.+");
stuffnumReadbuff((long)cap->count0 - 1L);
}
}
// When typing, don't type below an old message
if (KeyTyped)
compute_cmdrow();
old_p_im = p_im;
// get a command line and execute it
flags = cap->oap->op_type != OP_NOP ? DOCMD_KEEPLINE : 0;
if (is_cmdkey)
cmd_result = do_cmdkey_command(cap->cmdchar, flags);
else
cmd_result = do_cmdline(NULL, getexline, NULL, flags);
// If 'insertmode' changed, enter or exit Insert mode
if (p_im != old_p_im)
{
if (p_im)
restart_edit = 'i';
else
restart_edit = 0;
}
if (cmd_result == FAIL)
// The Ex command failed, do not execute the operator.
clearop(cap->oap);
else if (cap->oap->op_type != OP_NOP
&& (cap->oap->start.lnum > curbuf->b_ml.ml_line_count
|| cap->oap->start.col > ml_get_len(cap->oap->start.lnum)
|| did_emsg
))
// The start of the operator has become invalid by the Ex command.
clearopbeep(cap->oap);
}
/*
* Handle CTRL-G command.
*/
static void
nv_ctrlg(cmdarg_T *cap)
{
if (VIsual_active) // toggle Selection/Visual mode
{
VIsual_select = !VIsual_select;
may_trigger_modechanged();
showmode();
}
else if (!checkclearop(cap->oap))
// print full name if count given or :cd used
fileinfo((int)cap->count0, FALSE, TRUE);
}
/*
* Handle CTRL-H <Backspace> command.
*/
static void
nv_ctrlh(cmdarg_T *cap)
{
if (VIsual_active && VIsual_select)
{
cap->cmdchar = 'x'; // BS key behaves like 'x' in Select mode
v_visop(cap);
}
else
nv_left(cap);
}
/*
* CTRL-L: clear screen and redraw.
*/
static void
nv_clear(cmdarg_T *cap)
{
if (checkclearop(cap->oap))
return;
#ifdef FEAT_SYN_HL
// Clear all syntax states to force resyncing.
syn_stack_free_all(curwin->w_s);
# ifdef FEAT_RELTIME
{
win_T *wp;
FOR_ALL_WINDOWS(wp)
wp->w_s->b_syn_slow = FALSE;
}
# endif
#endif
redraw_later(UPD_CLEAR);
#if defined(MSWIN) && (!defined(FEAT_GUI_MSWIN) || defined(VIMDLL))
# ifdef VIMDLL
if (!gui.in_use)
# endif
resize_console_buf();
#endif
}
/*
* CTRL-O: In Select mode: switch to Visual mode for one command.
* Otherwise: Go to older pcmark.
*/
static void
nv_ctrlo(cmdarg_T *cap)
{
if (VIsual_active && VIsual_select)
{
VIsual_select = FALSE;
may_trigger_modechanged();
showmode();
restart_VIsual_select = 2; // restart Select mode later
}
else
{
cap->count1 = -cap->count1;
nv_pcmark(cap);
}
}
/*
* CTRL-^ command, short for ":e #". Works even when the alternate buffer is
* not named.
*/
static void
nv_hat(cmdarg_T *cap)
{
if (!checkclearopq(cap->oap))
(void)buflist_getfile((int)cap->count0, (linenr_T)0,
GETF_SETMARK|GETF_ALT, FALSE);
}
/*
* "Z" commands.
*/
static void
nv_Zet(cmdarg_T *cap)
{
if (checkclearopq(cap->oap))
return;
switch (cap->nchar)
{
// "ZZ": equivalent to ":x".
case 'Z': do_cmdline_cmd((char_u *)"x");
break;
// "ZQ": equivalent to ":q!" (Elvis compatible).
case 'Q': do_cmdline_cmd((char_u *)"q!");
break;
default: clearopbeep(cap->oap);
}
}
/*
* Call nv_ident() as if "c1" was used, with "c2" as next character.
*/
void
do_nv_ident(int c1, int c2)
{
oparg_T oa;
cmdarg_T ca;
clear_oparg(&oa);
CLEAR_FIELD(ca);
ca.oap = &oa;
ca.cmdchar = c1;
ca.nchar = c2;
nv_ident(&ca);
}
/*
* 'K' normal-mode command. Get the command to lookup the keyword under the
* cursor.
*/
static int
nv_K_getcmd(
cmdarg_T *cap,
char_u *kp,
int kp_help,
int kp_ex,
char_u **ptr_arg,
int n,
char_u *buf,
size_t bufsize,
size_t *buflen)
{
char_u *ptr = *ptr_arg;
int isman;
int isman_s;
if (kp_help)
{
// in the help buffer
STRCPY(buf, "he! ");
*buflen = STRLEN_LITERAL("he! ");
return n;
}
if (kp_ex)
{
// 'keywordprog' is an ex command
if (cap->count0 != 0)
*buflen = vim_snprintf((char *)buf, bufsize, "%s %ld ", kp, cap->count0);
else
*buflen = vim_snprintf((char *)buf, bufsize, "%s ", kp);
return n;
}
// An external command will probably use an argument starting
// with "-" as an option. To avoid trouble we skip the "-".
while (*ptr == '-' && n > 0)
{
++ptr;
--n;
}
if (n == 0)
{
// found dashes only
emsg(_(e_no_identifier_under_cursor));
vim_free(buf);
*ptr_arg = ptr;
return 0;
}
// When a count is given, turn it into a range. Is this
// really what we want?
isman = (STRCMP(kp, "man") == 0);
isman_s = (STRCMP(kp, "man -s") == 0);
if (cap->count0 != 0 && !(isman || isman_s))
*buflen = vim_snprintf((char *)buf, bufsize, ".,.+%ld! ", cap->count0 - 1);
else
*buflen = vim_snprintf((char *)buf, bufsize, "! ");
if (cap->count0 == 0 && isman_s)
*buflen += vim_snprintf((char *)buf + *buflen, bufsize - *buflen, "man ");
else
*buflen += vim_snprintf((char *)buf + *buflen, bufsize - *buflen, "%s ", kp);
if (cap->count0 != 0 && (isman || isman_s))
*buflen += vim_snprintf((char *)buf + *buflen, bufsize - *buflen, "%ld ", cap->count0);
*ptr_arg = ptr;
return n;
}
/*
* Handle the commands that use the word under the cursor.
* [g] CTRL-] :ta to current identifier
* [g] 'K' run program for current identifier
* [g] '*' / to current identifier or string
* [g] '#' ? to current identifier or string
* g ']' :tselect for current identifier
*/
static void
nv_ident(cmdarg_T *cap)
{
char_u *ptr = NULL;
char_u *buf;
size_t bufsize;
size_t buflen;
char_u *newbuf;
char_u *p;
char_u *kp; // value of 'keywordprg'
int kp_help; // 'keywordprg' is ":he"
int kp_ex; // 'keywordprg' starts with ":"
int n = 0; // init for GCC
int cmdchar;
int g_cmd; // "g" command
int tag_cmd = FALSE;
char_u *aux_ptr;
if (cap->cmdchar == 'g') // "g*", "g#", "g]" and "gCTRL-]"
{
cmdchar = cap->nchar;
g_cmd = TRUE;
}
else
{
cmdchar = cap->cmdchar;
g_cmd = FALSE;
}
if (cmdchar == POUND) // the pound sign, '#' for English keyboards
cmdchar = '#';
// The "]", "CTRL-]" and "K" commands accept an argument in Visual mode.
if (cmdchar == ']' || cmdchar == Ctrl_RSB || cmdchar == 'K')
{
if (VIsual_active && get_visual_text(cap, &ptr, &n) == FAIL)
return;
if (checkclearopq(cap->oap))
return;
}
if (ptr == NULL && (n = find_ident_under_cursor(&ptr,
(cmdchar == '*' || cmdchar == '#')
? FIND_IDENT|FIND_STRING : FIND_IDENT)) == 0)
{
clearop(cap->oap);
return;
}
// Allocate buffer to put the command in. Inserting backslashes can
// double the length of the word. p_kp / curbuf->b_p_kp could be added
// and some numbers.
kp = (*curbuf->b_p_kp == NUL ? p_kp : curbuf->b_p_kp);
kp_help = (*kp == NUL || STRCMP(kp, ":he") == 0
|| STRCMP(kp, ":help") == 0);
if (kp_help && *skipwhite(ptr) == NUL)
{
emsg(_(e_no_identifier_under_cursor)); // found white space only
return;
}
kp_ex = (*kp == ':');
bufsize = (size_t)(n * 2 + 30 + STRLEN(kp));
buf = alloc(bufsize);
if (buf == NULL)
return;
buf[0] = NUL;
buflen = 0;
switch (cmdchar)
{
case '*':
case '#':
// Put cursor at start of word, makes search skip the word
// under the cursor.
// Call setpcmark() first, so "*``" puts the cursor back where
// it was.
setpcmark();
curwin->w_cursor.col = (colnr_T) (ptr - ml_get_curline());
if (!g_cmd && vim_iswordp(ptr))
{
STRCPY(buf, "\\<");
buflen = STRLEN_LITERAL("\\<");
}
no_smartcase = TRUE; // don't use 'smartcase' now
break;
case 'K':
n = nv_K_getcmd(cap, kp, kp_help, kp_ex, &ptr, n, buf, bufsize, &buflen);
if (n == 0)
return;
break;
case ']':
tag_cmd = TRUE;
#ifdef FEAT_CSCOPE
if (p_cst)
{
STRCPY(buf, "cstag ");
buflen = STRLEN_LITERAL("cstag ");
}
else
#endif
{
STRCPY(buf, "ts ");
buflen = STRLEN_LITERAL("ts ");
}
break;
default:
tag_cmd = TRUE;
if (curbuf->b_help)
{
STRCPY(buf, "he! ");
buflen = STRLEN_LITERAL("he! ");
}
else
{
if (g_cmd)
{
STRCPY(buf, "tj ");
buflen = STRLEN_LITERAL("tj ");
}
else if (cap->count0 == 0)
{
STRCPY(buf, "ta ");
buflen = STRLEN_LITERAL("ta ");
}
else
buflen = vim_snprintf((char *)buf, bufsize, ":%ldta ", cap->count0);
}
}
// Now grab the chars in the identifier
if (cmdchar == 'K' && !kp_help)
{
size_t plen;
ptr = vim_strnsave(ptr, n);
if (kp_ex)
// Escape the argument properly for an Ex command
p = vim_strsave_fnameescape(ptr, VSE_NONE);
else
// Escape the argument properly for a shell command
p = vim_strsave_shellescape(ptr, TRUE, TRUE);
vim_free(ptr);
if (p == NULL)
{
vim_free(buf);
return;
}
plen = STRLEN(p);
newbuf = vim_realloc(buf, buflen + plen + 1);
if (newbuf == NULL)
{
vim_free(buf);
vim_free(p);
return;
}
buf = newbuf;
STRCPY(buf + buflen, p);
buflen += plen;
vim_free(p);
}
else
{
if (cmdchar == '*')
aux_ptr = (char_u *)(magic_isset() ? "/.*~[^$\\" : "/^$\\");
else if (cmdchar == '#')
aux_ptr = (char_u *)(magic_isset() ? "/?.*~[^$\\" : "/?^$\\");
else if (tag_cmd)
{
if (curbuf->b_help)
// ":help" handles unescaped argument
aux_ptr = (char_u *)"";
else
aux_ptr = (char_u *)"\\|\"\n[";
}
else
aux_ptr = (char_u *)"\\|\"\n*?[";
p = buf + buflen;
while (n-- > 0)
{
// put a backslash before \ and some others
if (vim_strchr(aux_ptr, *ptr) != NULL)
*p++ = '\\';
// When current byte is a part of multibyte character, copy all
// bytes of that character.
if (has_mbyte)
{
int i;
int len = (*mb_ptr2len)(ptr) - 1;
for (i = 0; i < len && n >= 1; ++i, --n)
*p++ = *ptr++;
}
*p++ = *ptr++;
}
*p = NUL;
buflen = p - buf;
}
// Execute the command.
if (cmdchar == '*' || cmdchar == '#')
{
if (!g_cmd && (has_mbyte
? vim_iswordp(mb_prevptr(ml_get_curline(), ptr))
: vim_iswordc(ptr[-1])))
{
STRCPY(buf + buflen, "\\>");
buflen += STRLEN_LITERAL("\\>");
}
// put pattern in search history
init_history();
add_to_history(HIST_SEARCH, buf, buflen, TRUE, NUL);
(void)normal_search(cap, cmdchar == '*' ? '/' : '?', buf, buflen, 0, NULL);
}
else
{
g_tag_at_cursor = TRUE;
do_cmdline_cmd(buf);
g_tag_at_cursor = FALSE;
}
vim_free(buf);
}
/*
* Get visually selected text, within one line only.
* Returns FAIL if more than one line selected.
*/
int
get_visual_text(
cmdarg_T *cap,
char_u **pp, // return: start of selected text
int *lenp) // return: length of selected text
{
if (VIsual_mode != 'V')
unadjust_for_sel();
if (VIsual.lnum != curwin->w_cursor.lnum)
{
if (cap != NULL)
clearopbeep(cap->oap);
return FAIL;
}
if (VIsual_mode == 'V')
{
*pp = ml_get_curline();
*lenp = (int)ml_get_curline_len();
}
else
{
if (LT_POS(curwin->w_cursor, VIsual))
{
*pp = ml_get_pos(&curwin->w_cursor);
*lenp = VIsual.col - curwin->w_cursor.col + 1;
}
else
{
*pp = ml_get_pos(&VIsual);
*lenp = curwin->w_cursor.col - VIsual.col + 1;
}
if (**pp == NUL)
*lenp = 0;
if (*lenp > 0)
{
if (has_mbyte)
// Correct the length to include all bytes of the last
// character.
*lenp += (*mb_ptr2len)(*pp + (*lenp - 1)) - 1;
else if ((*pp)[*lenp - 1] == NUL)
// Do not include a trailing NUL.
*lenp -= 1;
}
}
reset_VIsual_and_resel();
return OK;
}
/*
* CTRL-T: backwards in tag stack
*/
static void
nv_tagpop(cmdarg_T *cap)
{
if (!checkclearopq(cap->oap))
do_tag((char_u *)"", DT_POP, (int)cap->count1, FALSE, TRUE);
}
/*
* Handle scrolling command 'H', 'L' and 'M'.
*/
static void
nv_scroll(cmdarg_T *cap)
{
int used = 0;
long n;
#ifdef FEAT_FOLDING
linenr_T lnum;
#endif
int half;
cap->oap->motion_type = MLINE;
setpcmark();
if (cap->cmdchar == 'L')
{
validate_botline(); // make sure curwin->w_botline is valid
curwin->w_cursor.lnum = curwin->w_botline - 1;
if (cap->count1 - 1 >= curwin->w_cursor.lnum)
curwin->w_cursor.lnum = 1;
else
{
#ifdef FEAT_FOLDING
if (hasAnyFolding(curwin))
{
// Count a fold for one screen line.
for (n = cap->count1 - 1; n > 0
&& curwin->w_cursor.lnum > curwin->w_topline; --n)
{
(void)hasFolding(curwin->w_cursor.lnum,
&curwin->w_cursor.lnum, NULL);
if (curwin->w_cursor.lnum > curwin->w_topline)
--curwin->w_cursor.lnum;
}
}
else
#endif
curwin->w_cursor.lnum -= cap->count1 - 1;
}
}
else
{
if (cap->cmdchar == 'M')
{
#ifdef FEAT_DIFF
// Don't count filler lines above the window.
used -= diff_check_fill(curwin, curwin->w_topline)
- curwin->w_topfill;
#endif
validate_botline(); // make sure w_empty_rows is valid
half = (curwin->w_height - curwin->w_empty_rows + 1) / 2;
for (n = 0; curwin->w_topline + n < curbuf->b_ml.ml_line_count; ++n)
{
#ifdef FEAT_DIFF
// Count half he number of filler lines to be "below this
// line" and half to be "above the next line".
if (n > 0 && used + diff_check_fill(curwin, curwin->w_topline
+ n) / 2 >= half)
{
--n;
break;
}
#endif
used += plines(curwin->w_topline + n);
if (used >= half)
break;
#ifdef FEAT_FOLDING
if (hasFolding(curwin->w_topline + n, NULL, &lnum))
n = lnum - curwin->w_topline;
#endif
}
if (n > 0 && used > curwin->w_height)
--n;
}
else // (cap->cmdchar == 'H')
{
n = cap->count1 - 1;
#ifdef FEAT_FOLDING
if (hasAnyFolding(curwin))
{
// Count a fold for one screen line.
lnum = curwin->w_topline;
while (n-- > 0 && lnum < curwin->w_botline - 1)
{
(void)hasFolding(lnum, NULL, &lnum);
++lnum;
}
n = lnum - curwin->w_topline;
}
#endif
}
curwin->w_cursor.lnum = curwin->w_topline + n;
if (curwin->w_cursor.lnum > curbuf->b_ml.ml_line_count)
curwin->w_cursor.lnum = curbuf->b_ml.ml_line_count;
}
// Correct for 'so', except when an operator is pending.
if (cap->oap->op_type == OP_NOP)
cursor_correct();
beginline(BL_SOL | BL_FIX);
}
/*
* Cursor right commands.
*/
static void
nv_right(cmdarg_T *cap)
{
long n;
int past_line;
if (mod_mask & (MOD_MASK_SHIFT | MOD_MASK_CTRL))
{
// <C-Right> and <S-Right> move a word or WORD right
if (mod_mask & MOD_MASK_CTRL)
cap->arg = TRUE;
nv_wordcmd(cap);
return;
}
cap->oap->motion_type = MCHAR;
cap->oap->inclusive = FALSE;
past_line = (VIsual_active && *p_sel != 'o');
// In virtual edit mode, there's no such thing as "past_line", as lines
// are (theoretically) infinitely long.
if (virtual_active())
past_line = 0;
for (n = cap->count1; n > 0; --n)
{
if ((!past_line && oneright() == FAIL)
|| (past_line && *ml_get_cursor() == NUL)
)
{
// <Space> wraps to next line if 'whichwrap' has 's'.
// 'l' wraps to next line if 'whichwrap' has 'l'.
// CURS_RIGHT wraps to next line if 'whichwrap' has '>'.
if ( ((cap->cmdchar == ' '
&& vim_strchr(p_ww, 's') != NULL)
|| (cap->cmdchar == 'l'
&& vim_strchr(p_ww, 'l') != NULL)
|| (cap->cmdchar == K_RIGHT
&& vim_strchr(p_ww, '>') != NULL))
&& curwin->w_cursor.lnum < curbuf->b_ml.ml_line_count)
{
// When deleting we also count the NL as a character.
// Set cap->oap->inclusive when last char in the line is
// included, move to next line after that
if ( cap->oap->op_type != OP_NOP
&& !cap->oap->inclusive
&& !LINEEMPTY(curwin->w_cursor.lnum))
cap->oap->inclusive = TRUE;
else
{
++curwin->w_cursor.lnum;
curwin->w_cursor.col = 0;
curwin->w_cursor.coladd = 0;
curwin->w_set_curswant = TRUE;
cap->oap->inclusive = FALSE;
}
continue;
}
if (cap->oap->op_type == OP_NOP)
{
// Only beep and flush if not moved at all
if (n == cap->count1)
beep_flush();
}
else
{
if (!LINEEMPTY(curwin->w_cursor.lnum))
cap->oap->inclusive = TRUE;
}
break;
}
else if (past_line)
{
curwin->w_set_curswant = TRUE;
if (virtual_active())
oneright();
else
{
if (has_mbyte)
curwin->w_cursor.col += (*mb_ptr2len)(ml_get_cursor());
else
++curwin->w_cursor.col;
}
}
}
#ifdef FEAT_FOLDING
if (n != cap->count1 && (fdo_flags & FDO_HOR) && KeyTyped
&& cap->oap->op_type == OP_NOP)
foldOpenCursor();
#endif
}
/*
* Cursor left commands.
*
* Returns TRUE when operator end should not be adjusted.
*/
static void
nv_left(cmdarg_T *cap)
{
long n;
if (mod_mask & (MOD_MASK_SHIFT | MOD_MASK_CTRL))
{
// <C-Left> and <S-Left> move a word or WORD left
if (mod_mask & MOD_MASK_CTRL)
cap->arg = 1;
nv_bck_word(cap);
return;
}
cap->oap->motion_type = MCHAR;
cap->oap->inclusive = FALSE;
for (n = cap->count1; n > 0; --n)
{
if (oneleft() == FAIL)
{
// <BS> and <Del> wrap to previous line if 'whichwrap' has 'b'.
// 'h' wraps to previous line if 'whichwrap' has 'h'.
// CURS_LEFT wraps to previous line if 'whichwrap' has '<'.
if ( (((cap->cmdchar == K_BS
|| cap->cmdchar == Ctrl_H)
&& vim_strchr(p_ww, 'b') != NULL)
|| (cap->cmdchar == 'h'
&& vim_strchr(p_ww, 'h') != NULL)
|| (cap->cmdchar == K_LEFT
&& vim_strchr(p_ww, '<') != NULL))
&& curwin->w_cursor.lnum > 1)
{
--(curwin->w_cursor.lnum);
coladvance((colnr_T)MAXCOL);
curwin->w_set_curswant = TRUE;
// When the NL before the first char has to be deleted we
// put the cursor on the NUL after the previous line.
// This is a very special case, be careful!
// Don't adjust op_end now, otherwise it won't work.
if ( (cap->oap->op_type == OP_DELETE
|| cap->oap->op_type == OP_CHANGE)
&& !LINEEMPTY(curwin->w_cursor.lnum))
{
char_u *cp = ml_get_cursor();
if (*cp != NUL)
{
if (has_mbyte)
curwin->w_cursor.col += (*mb_ptr2len)(cp);
else
++curwin->w_cursor.col;
}
cap->retval |= CA_NO_ADJ_OP_END;
}
continue;
}
// Only beep and flush if not moved at all
else if (cap->oap->op_type == OP_NOP && n == cap->count1)
beep_flush();
break;
}
}
#ifdef FEAT_FOLDING
if (n != cap->count1 && (fdo_flags & FDO_HOR) && KeyTyped
&& cap->oap->op_type == OP_NOP)
foldOpenCursor();
#endif
}
/*
* Cursor up commands.
* cap->arg is TRUE for "-": Move cursor to first non-blank.
*/
static void
nv_up(cmdarg_T *cap)
{
if (mod_mask & MOD_MASK_SHIFT)
{
// <S-Up> is page up
cap->arg = BACKWARD;
nv_page(cap);
return;
}
cap->oap->motion_type = MLINE;
if (cursor_up(cap->count1, cap->oap->op_type == OP_NOP) == FAIL)
clearopbeep(cap->oap);
else if (cap->arg)
beginline(BL_WHITE | BL_FIX);
}
/*
* Cursor down commands.
* cap->arg is TRUE for CR and "+": Move cursor to first non-blank.
*/
static void
nv_down(cmdarg_T *cap)
{
if (mod_mask & MOD_MASK_SHIFT)
{
// <S-Down> is page down
cap->arg = FORWARD;
nv_page(cap);
}
#if defined(FEAT_QUICKFIX)
// Quickfix window only: view the result under the cursor.
else if (bt_quickfix(curbuf) && cap->cmdchar == CAR)
qf_view_result(FALSE);
#endif
else
{
// In the cmdline window a <CR> executes the command.
if (cmdwin_type != 0 && cap->cmdchar == CAR)
cmdwin_result = CAR;
else
#ifdef FEAT_JOB_CHANNEL
// In a prompt buffer a <CR> in the last line invokes the callback.
if (bt_prompt(curbuf) && cap->cmdchar == CAR
&& curwin->w_cursor.lnum == curbuf->b_ml.ml_line_count)
{
invoke_prompt_callback();
if (restart_edit == 0)
restart_edit = 'a';
}
else
#endif
{
cap->oap->motion_type = MLINE;
if (cursor_down(cap->count1, cap->oap->op_type == OP_NOP) == FAIL)
clearopbeep(cap->oap);
else if (cap->arg)
beginline(BL_WHITE | BL_FIX);
}
}
}
/*
* Grab the file name under the cursor and edit it.
*/
static void
nv_gotofile(cmdarg_T *cap)
{
char_u *ptr;
linenr_T lnum = -1;
if (check_text_or_curbuf_locked(cap->oap))
return;
#ifdef FEAT_PROP_POPUP
if (ERROR_IF_TERM_POPUP_WINDOW)
return;
#endif
if (!check_can_set_curbuf_disabled())
return;
ptr = grab_file_name(cap->count1, &lnum);
if (ptr != NULL)
{
// do autowrite if necessary
if (curbufIsChanged() && curbuf->b_nwindows <= 1 && !buf_hide(curbuf))
(void)autowrite(curbuf, FALSE);
setpcmark();
if (do_ecmd(0, ptr, NULL, NULL, ECMD_LAST,
buf_hide(curbuf) ? ECMD_HIDE : 0, curwin) == OK
&& cap->nchar == 'F' && lnum >= 0)
{
curwin->w_cursor.lnum = lnum;
check_cursor_lnum();
beginline(BL_SOL | BL_FIX);
}
vim_free(ptr);
}
else
clearop(cap->oap);
}
/*
* <End> command: to end of current line or last line.
*/
static void
nv_end(cmdarg_T *cap)
{
if (cap->arg || (mod_mask & MOD_MASK_CTRL)) // CTRL-END = goto last line
{
cap->arg = TRUE;
nv_goto(cap);
cap->count1 = 1; // to end of current line
}
nv_dollar(cap);
}
/*
* Handle the "$" command.
*/
static void
nv_dollar(cmdarg_T *cap)
{
cap->oap->motion_type = MCHAR;
cap->oap->inclusive = TRUE;
// In virtual mode when off the edge of a line and an operator
// is pending (whew!) keep the cursor where it is.
// Otherwise, send it to the end of the line.
if (!virtual_active() || gchar_cursor() != NUL
|| cap->oap->op_type == OP_NOP)
curwin->w_curswant = MAXCOL; // so we stay at the end
if (cursor_down((long)(cap->count1 - 1),
cap->oap->op_type == OP_NOP) == FAIL)
clearopbeep(cap->oap);
#ifdef FEAT_FOLDING
else if ((fdo_flags & FDO_HOR) && KeyTyped && cap->oap->op_type == OP_NOP)
foldOpenCursor();
#endif
}
/*
* Implementation of '?' and '/' commands.
* If cap->arg is TRUE don't set PC mark.
*/
static void
nv_search(cmdarg_T *cap)
{
oparg_T *oap = cap->oap;
pos_T save_cursor = curwin->w_cursor;
if (cap->cmdchar == '?' && cap->oap->op_type == OP_ROT13)
{
// Translate "g??" to "g?g?"
cap->cmdchar = 'g';
cap->nchar = '?';
nv_operator(cap);
return;
}
// When using 'incsearch' the cursor may be moved to set a different search
// start position.
cap->searchbuf = getcmdline(cap->cmdchar, cap->count1, 0, 0);
if (cap->searchbuf == NULL)
{
clearop(oap);
return;
}
(void)normal_search(cap, cap->cmdchar, cap->searchbuf, STRLEN(cap->searchbuf),
(cap->arg || !EQUAL_POS(save_cursor, curwin->w_cursor))
? 0 : SEARCH_MARK, NULL);
}
/*
* Handle "N" and "n" commands.
* cap->arg is SEARCH_REV for "N", 0 for "n".
*/
static void
nv_next(cmdarg_T *cap)
{
pos_T old = curwin->w_cursor;
int wrapped = FALSE;
int i = normal_search(cap, 0, NULL, 0, SEARCH_MARK | cap->arg, &wrapped);
if (i == 1 && !wrapped && EQUAL_POS(old, curwin->w_cursor))
{
// Avoid getting stuck on the current cursor position, which can
// happen when an offset is given and the cursor is on the last char
// in the buffer: Repeat with count + 1.
cap->count1 += 1;
(void)normal_search(cap, 0, NULL, 0, SEARCH_MARK | cap->arg, NULL);
cap->count1 -= 1;
}
#ifdef FEAT_SEARCH_EXTRA
// Redraw the window to refresh the highlighted matches.
if (i > 0 && p_hls && !no_hlsearch)
redraw_later(UPD_SOME_VALID);
#endif
}
/*
* Search for "pat" in direction "dir" ('/' or '?', 0 for repeat).
* Uses only cap->count1 and cap->oap from "cap".
* Return 0 for failure, 1 for found, 2 for found and line offset added.
*/
static int
normal_search(
cmdarg_T *cap,
int dir,
char_u *pat,
size_t patlen,
int opt, // extra flags for do_search()
int *wrapped)
{
int i;
searchit_arg_T sia;
#ifdef FEAT_SEARCH_EXTRA
pos_T prev_cursor = curwin->w_cursor;
#endif
cap->oap->motion_type = MCHAR;
cap->oap->inclusive = FALSE;
cap->oap->use_reg_one = TRUE;
curwin->w_set_curswant = TRUE;
CLEAR_FIELD(sia);
i = do_search(cap->oap, dir, dir, pat, patlen, cap->count1,
opt | SEARCH_OPT | SEARCH_ECHO | SEARCH_MSG, &sia);
if (wrapped != NULL)
*wrapped = sia.sa_wrapped;
if (i == 0)
clearop(cap->oap);
else
{
if (i == 2)
cap->oap->motion_type = MLINE;
curwin->w_cursor.coladd = 0;
#ifdef FEAT_FOLDING
if (cap->oap->op_type == OP_NOP && (fdo_flags & FDO_SEARCH) && KeyTyped)
foldOpenCursor();
#endif
}
#ifdef FEAT_SEARCH_EXTRA
// Redraw the window to refresh the highlighted matches.
if (!EQUAL_POS(curwin->w_cursor, prev_cursor) && p_hls && !no_hlsearch)
redraw_later(UPD_SOME_VALID);
#endif
// "/$" will put the cursor after the end of the line, may need to
// correct that here
check_cursor();
return i;
}
/*
* Character search commands.
* cap->arg is BACKWARD for 'F' and 'T', FORWARD for 'f' and 't', TRUE for
* ',' and FALSE for ';'.
* cap->nchar is NUL for ',' and ';' (repeat the search)
*/
static void
nv_csearch(cmdarg_T *cap)
{
int t_cmd;
int cursor_dec = FALSE;
// If adjusted cursor position previously, unadjust it.
if (*p_sel == 'e' && VIsual_active && VIsual_mode == 'v'
&& VIsual_select_exclu_adj)
{
unadjust_for_sel();
cursor_dec = TRUE;
}
if (cap->cmdchar == 't' || cap->cmdchar == 'T')
t_cmd = TRUE;
else
t_cmd = FALSE;
cap->oap->motion_type = MCHAR;
if (IS_SPECIAL(cap->nchar) || searchc(cap, t_cmd) == FAIL)
{
clearopbeep(cap->oap);
// Revert unadjust when failed.
if (cursor_dec)
adjust_for_sel(cap);
return;
}
curwin->w_set_curswant = TRUE;
// Include a Tab for "tx" and for "dfx".
if (gchar_cursor() == TAB && virtual_active() && cap->arg == FORWARD
&& (t_cmd || cap->oap->op_type != OP_NOP))
{
colnr_T scol, ecol;
getvcol(curwin, &curwin->w_cursor, &scol, NULL, &ecol);
curwin->w_cursor.coladd = ecol - scol;
}
else
curwin->w_cursor.coladd = 0;
adjust_for_sel(cap);
#ifdef FEAT_FOLDING
if ((fdo_flags & FDO_HOR) && KeyTyped && cap->oap->op_type == OP_NOP)
foldOpenCursor();
#endif
}
/*
* "[{", "[(", "]}" or "])": go to Nth unclosed '{', '(', '}' or ')'
* "[#", "]#": go to start/end of Nth innermost #if..#endif construct.
* "[/", "[*", "]/", "]*": go to Nth comment start/end.
* "[m" or "]m" search for prev/next start of (Java) method.
* "[M" or "]M" search for prev/next end of (Java) method.
*/
static void
nv_bracket_block(cmdarg_T *cap, pos_T *old_pos)
{
pos_T new_pos = {0, 0, 0};
pos_T *pos = NULL; // init for GCC
pos_T prev_pos;
long n;
int findc;
int c;
if (cap->nchar == '*')
cap->nchar = '/';
prev_pos.lnum = 0;
if (cap->nchar == 'm' || cap->nchar == 'M')
{
if (cap->cmdchar == '[')
findc = '{';
else
findc = '}';
n = 9999;
}
else
{
findc = cap->nchar;
n = cap->count1;
}
for ( ; n > 0; --n)
{
if ((pos = findmatchlimit(cap->oap, findc,
(cap->cmdchar == '[') ? FM_BACKWARD : FM_FORWARD, 0)) == NULL)
{
if (new_pos.lnum == 0) // nothing found
{
if (cap->nchar != 'm' && cap->nchar != 'M')
clearopbeep(cap->oap);
}
else
pos = &new_pos; // use last one found
break;
}
prev_pos = new_pos;
curwin->w_cursor = *pos;
new_pos = *pos;
}
curwin->w_cursor = *old_pos;
// Handle "[m", "]m", "[M" and "[M". The findmatchlimit() only
// brought us to the match for "[m" and "]M" when inside a method.
// Try finding the '{' or '}' we want to be at.
// Also repeat for the given count.
if (cap->nchar == 'm' || cap->nchar == 'M')
{
// norm is TRUE for "]M" and "[m"
int norm = ((findc == '{') == (cap->nchar == 'm'));
n = cap->count1;
// found a match: we were inside a method
if (prev_pos.lnum != 0)
{
pos = &prev_pos;
curwin->w_cursor = prev_pos;
if (norm)
--n;
}
else
pos = NULL;
while (n > 0)
{
for (;;)
{
if ((findc == '{' ? dec_cursor() : inc_cursor()) < 0)
{
// if not found anything, that's an error
if (pos == NULL)
clearopbeep(cap->oap);
n = 0;
break;
}
c = gchar_cursor();
if (c == '{' || c == '}')
{
// Must have found end/start of class: use it.
// Or found the place to be at.
if ((c == findc && norm) || (n == 1 && !norm))
{
new_pos = curwin->w_cursor;
pos = &new_pos;
n = 0;
}
// if no match found at all, we started outside of the
// class and we're inside now. Just go on.
else if (new_pos.lnum == 0)
{
new_pos = curwin->w_cursor;
pos = &new_pos;
}
// found start/end of other method: go to match
else if ((pos = findmatchlimit(cap->oap, findc,
(cap->cmdchar == '[') ? FM_BACKWARD : FM_FORWARD,
0)) == NULL)
n = 0;
else
curwin->w_cursor = *pos;
break;
}
}
--n;
}
curwin->w_cursor = *old_pos;
if (pos == NULL && new_pos.lnum != 0)
clearopbeep(cap->oap);
}
if (pos != NULL)
{
setpcmark();
curwin->w_cursor = *pos;
curwin->w_set_curswant = TRUE;
#ifdef FEAT_FOLDING
if ((fdo_flags & FDO_BLOCK) && KeyTyped
&& cap->oap->op_type == OP_NOP)
foldOpenCursor();
#endif
}
}
/*
* "[" and "]" commands.
* cap->arg is BACKWARD for "[" and FORWARD for "]".
*/
static void
nv_brackets(cmdarg_T *cap)
{
pos_T prev_pos;
pos_T *pos = NULL; // init for GCC
pos_T old_pos; // cursor position before command
int flag;
long n;
cap->oap->motion_type = MCHAR;
cap->oap->inclusive = FALSE;
old_pos = curwin->w_cursor;
curwin->w_cursor.coladd = 0; // TODO: don't do this for an error.
// "[f" or "]f" : Edit file under the cursor (same as "gf")
if (cap->nchar == 'f')
nv_gotofile(cap);
else
#ifdef FEAT_FIND_ID
// Find the occurrence(s) of the identifier or define under cursor
// in current and included files or jump to the first occurrence.
//
// search list jump
// fwd bwd fwd bwd fwd bwd
// identifier "]i" "[i" "]I" "[I" "]^I" "[^I"
// define "]d" "[d" "]D" "[D" "]^D" "[^D"
if (vim_strchr((char_u *)"iI\011dD\004", cap->nchar) != NULL)
{
char_u *ptr;
int len;
if ((len = find_ident_under_cursor(&ptr, FIND_IDENT)) == 0)
clearop(cap->oap);
else
{
// Make a copy, if the line was changed it will be freed.
ptr = vim_strnsave(ptr, len);
if (ptr == NULL)
return;
find_pattern_in_path(ptr, 0, len, TRUE,
cap->count0 == 0 ? !SAFE_isupper(cap->nchar) : FALSE,
((cap->nchar & 0xf) == ('d' & 0xf)) ? FIND_DEFINE : FIND_ANY,
cap->count1,
SAFE_isupper(cap->nchar) ? ACTION_SHOW_ALL :
SAFE_islower(cap->nchar) ? ACTION_SHOW : ACTION_GOTO,
cap->cmdchar == ']' ? curwin->w_cursor.lnum + 1 : (linenr_T)1,
(linenr_T)MAXLNUM,
FALSE);
vim_free(ptr);
curwin->w_set_curswant = TRUE;
}
}
else
#endif
// "[{", "[(", "]}" or "])": go to Nth unclosed '{', '(', '}' or ')'
// "[#", "]#": go to start/end of Nth innermost #if..#endif construct.
// "[/", "[*", "]/", "]*": go to Nth comment start/end.
// "[m" or "]m" search for prev/next start of (Java) method.
// "[M" or "]M" search for prev/next end of (Java) method.
if ( (cap->cmdchar == '['
&& vim_strchr((char_u *)"{(*/#mM", cap->nchar) != NULL)
|| (cap->cmdchar == ']'
&& vim_strchr((char_u *)"})*/#mM", cap->nchar) != NULL))
nv_bracket_block(cap, &old_pos);
// "[[", "[]", "]]" and "][": move to start or end of function
else if (cap->nchar == '[' || cap->nchar == ']')
{
if (cap->nchar == cap->cmdchar) // "]]" or "[["
flag = '{';
else
flag = '}'; // "][" or "[]"
curwin->w_set_curswant = TRUE;
// Imitate strange Vi behaviour: When using "]]" with an operator
// we also stop at '}'.
if (!findpar(&cap->oap->inclusive, cap->arg, cap->count1, flag,
(cap->oap->op_type != OP_NOP
&& cap->arg == FORWARD && flag == '{')))
clearopbeep(cap->oap);
else
{
if (cap->oap->op_type == OP_NOP)
beginline(BL_WHITE | BL_FIX);
#ifdef FEAT_FOLDING
if ((fdo_flags & FDO_BLOCK) && KeyTyped && cap->oap->op_type == OP_NOP)
foldOpenCursor();
#endif
}
}
// "[p", "[P", "]P" and "]p": put with indent adjustment
else if (cap->nchar == 'p' || cap->nchar == 'P')
{
nv_put_opt(cap, TRUE);
}
// "['", "[`", "]'" and "]`": jump to next mark
else if (cap->nchar == '\'' || cap->nchar == '`')
{
pos = &curwin->w_cursor;
for (n = cap->count1; n > 0; --n)
{
prev_pos = *pos;
pos = getnextmark(pos, cap->cmdchar == '[' ? BACKWARD : FORWARD,
cap->nchar == '\'');
if (pos == NULL)
break;
}
if (pos == NULL)
pos = &prev_pos;
nv_cursormark(cap, cap->nchar == '\'', pos);
}
// [ or ] followed by a middle mouse click: put selected text with
// indent adjustment. Any other button just does as usual.
else if (cap->nchar >= K_RIGHTRELEASE && cap->nchar <= K_LEFTMOUSE)
{
(void)do_mouse(cap->oap, cap->nchar,
(cap->cmdchar == ']') ? FORWARD : BACKWARD,
cap->count1, PUT_FIXINDENT);
}
#ifdef FEAT_FOLDING
// "[z" and "]z": move to start or end of open fold.
else if (cap->nchar == 'z')
{
if (foldMoveTo(FALSE, cap->cmdchar == ']' ? FORWARD : BACKWARD,
cap->count1) == FAIL)
clearopbeep(cap->oap);
}
#endif
#ifdef FEAT_DIFF
// "[c" and "]c": move to next or previous diff-change.
else if (cap->nchar == 'c')
{
if (diff_move_to(cap->cmdchar == ']' ? FORWARD : BACKWARD,
cap->count1) == FAIL)
clearopbeep(cap->oap);
}
#endif
#ifdef FEAT_SPELL
// "[r", "[s", "[S", "]r", "]s" and "]S": move to next spell error.
else if (cap->nchar == 'r' || cap->nchar == 's' || cap->nchar == 'S')
{
setpcmark();
for (n = 0; n < cap->count1; ++n)
if (spell_move_to(curwin, cap->cmdchar == ']' ? FORWARD : BACKWARD,
cap->nchar == 's' ? SMT_ALL :
cap->nchar == 'r' ? SMT_RARE :
SMT_BAD, FALSE, NULL) == 0)
{
clearopbeep(cap->oap);
break;
}
else
curwin->w_set_curswant = TRUE;
# ifdef FEAT_FOLDING
if (cap->oap->op_type == OP_NOP && (fdo_flags & FDO_SEARCH) && KeyTyped)
foldOpenCursor();
# endif
}
#endif
// Not a valid cap->nchar.
else
clearopbeep(cap->oap);
}
/*
* Handle Normal mode "%" command.
*/
static void
nv_percent(cmdarg_T *cap)
{
pos_T *pos;
#if defined(FEAT_FOLDING)
linenr_T lnum = curwin->w_cursor.lnum;
#endif
cap->oap->inclusive = TRUE;
if (cap->count0) // {cnt}% : goto {cnt} percentage in file
{
if (cap->count0 > 100)
clearopbeep(cap->oap);
else
{
cap->oap->motion_type = MLINE;
setpcmark();
// Round up, so 'normal 100%' always jumps at the line line.
// Beyond 21474836 lines, (ml_line_count * 100 + 99) would
// overflow on 32-bits, so use a formula with less accuracy
// to avoid overflows.
if (curbuf->b_ml.ml_line_count >= 21474836)
curwin->w_cursor.lnum = (curbuf->b_ml.ml_line_count + 99L)
/ 100L * cap->count0;
else
curwin->w_cursor.lnum = (curbuf->b_ml.ml_line_count *
cap->count0 + 99L) / 100L;
if (curwin->w_cursor.lnum < 1)
curwin->w_cursor.lnum = 1;
if (curwin->w_cursor.lnum > curbuf->b_ml.ml_line_count)
curwin->w_cursor.lnum = curbuf->b_ml.ml_line_count;
beginline(BL_SOL | BL_FIX);
}
}
else // "%" : go to matching paren
{
cap->oap->motion_type = MCHAR;
cap->oap->use_reg_one = TRUE;
if ((pos = findmatch(cap->oap, NUL)) == NULL)
clearopbeep(cap->oap);
else
{
setpcmark();
curwin->w_cursor = *pos;
curwin->w_set_curswant = TRUE;
curwin->w_cursor.coladd = 0;
adjust_for_sel(cap);
}
}
#ifdef FEAT_FOLDING
if (cap->oap->op_type == OP_NOP
&& lnum != curwin->w_cursor.lnum
&& (fdo_flags & FDO_PERCENT)
&& KeyTyped)
foldOpenCursor();
#endif
}
/*
* Handle "(" and ")" commands.
* cap->arg is BACKWARD for "(" and FORWARD for ")".
*/
static void
nv_brace(cmdarg_T *cap)
{
cap->oap->motion_type = MCHAR;
cap->oap->use_reg_one = TRUE;
// The motion used to be inclusive for "(", but that is not what Vi does.
cap->oap->inclusive = FALSE;
curwin->w_set_curswant = TRUE;
if (findsent(cap->arg, cap->count1) == FAIL)
{
clearopbeep(cap->oap);
return;
}
// Don't leave the cursor on the NUL past end of line.
adjust_cursor(cap->oap);
curwin->w_cursor.coladd = 0;
#ifdef FEAT_FOLDING
if ((fdo_flags & FDO_BLOCK) && KeyTyped && cap->oap->op_type == OP_NOP)
foldOpenCursor();
#endif
}
/*
* "m" command: Mark a position.
*/
static void
nv_mark(cmdarg_T *cap)
{
if (checkclearop(cap->oap))
return;
if (setmark(cap->nchar) == FAIL)
clearopbeep(cap->oap);
}
/*
* "{" and "}" commands.
* cmd->arg is BACKWARD for "{" and FORWARD for "}".
*/
static void
nv_findpar(cmdarg_T *cap)
{
cap->oap->motion_type = MCHAR;
cap->oap->inclusive = FALSE;
cap->oap->use_reg_one = TRUE;
curwin->w_set_curswant = TRUE;
if (!findpar(&cap->oap->inclusive, cap->arg, cap->count1, NUL, FALSE))
{
clearopbeep(cap->oap);
return;
}
curwin->w_cursor.coladd = 0;
#ifdef FEAT_FOLDING
if ((fdo_flags & FDO_BLOCK) && KeyTyped && cap->oap->op_type == OP_NOP)
foldOpenCursor();
#endif
}
/*
* "u" command: Undo or make lower case.
*/
static void
nv_undo(cmdarg_T *cap)
{
if (cap->oap->op_type == OP_LOWER || VIsual_active)
{
// translate "<Visual>u" to "<Visual>gu" and "guu" to "gugu"
cap->cmdchar = 'g';
cap->nchar = 'u';
nv_operator(cap);
}
else
nv_kundo(cap);
}
/*
* <Undo> command.
*/
static void
nv_kundo(cmdarg_T *cap)
{
if (checkclearopq(cap->oap))
return;
#ifdef FEAT_JOB_CHANNEL
if (bt_prompt(curbuf))
{
clearopbeep(cap->oap);
return;
}
#endif
u_undo((int)cap->count1);
curwin->w_set_curswant = TRUE;
}
/*
* Handle the "r" command.
*/
static void
nv_replace(cmdarg_T *cap)
{
int had_ctrl_v;
long n;
if (checkclearop(cap->oap))
return;
#ifdef FEAT_JOB_CHANNEL
if (bt_prompt(curbuf) && !prompt_curpos_editable())
{
clearopbeep(cap->oap);
return;
}
#endif
// get another character
if (cap->nchar == Ctrl_V || cap->nchar == Ctrl_Q)
{
had_ctrl_v = Ctrl_V;
cap->nchar = get_literal(FALSE);
// Don't redo a multibyte character with CTRL-V.
if (cap->nchar > DEL)
had_ctrl_v = NUL;
}
else
had_ctrl_v = NUL;
// Abort if the character is a special key.
if (IS_SPECIAL(cap->nchar))
{
clearopbeep(cap->oap);
return;
}
// Visual mode "r"
if (VIsual_active)
{
if (got_int)
got_int = FALSE;
if (had_ctrl_v)
{
// Use a special (negative) number to make a difference between a
// literal CR or NL and a line break.
if (cap->nchar == CAR)
cap->nchar = REPLACE_CR_NCHAR;
else if (cap->nchar == NL)
cap->nchar = REPLACE_NL_NCHAR;
}
nv_operator(cap);
return;
}
// Break tabs, etc.
if (virtual_active())
{
if (u_save_cursor() == FAIL)
return;
if (gchar_cursor() == NUL)
{
// Add extra space and put the cursor on the first one.
coladvance_force((colnr_T)(getviscol() + cap->count1));
curwin->w_cursor.col -= cap->count1;
}
else if (gchar_cursor() == TAB)
coladvance_force(getviscol());
}
// Abort if not enough characters to replace.
if ((size_t)ml_get_cursor_len() < (unsigned)cap->count1
|| (has_mbyte && mb_charlen(ml_get_cursor()) < cap->count1))
{
clearopbeep(cap->oap);
return;
}
// Replacing with a TAB is done by edit() when it is complicated because
// 'expandtab' or 'smarttab' is set. CTRL-V TAB inserts a literal TAB.
// Other characters are done below to avoid problems with things like
// CTRL-V 048 (for edit() this would be R CTRL-V 0 ESC).
if (had_ctrl_v != Ctrl_V && cap->nchar == '\t' && (curbuf->b_p_et || p_sta))
{
stuffnumReadbuff(cap->count1);
stuffcharReadbuff('R');
stuffcharReadbuff('\t');
stuffcharReadbuff(ESC);
return;
}
// save line for undo
if (u_save_cursor() == FAIL)
return;
if (had_ctrl_v != Ctrl_V && (cap->nchar == '\r' || cap->nchar == '\n'))
{
// Replace character(s) by a single newline.
// Strange vi behaviour: Only one newline is inserted.
// Delete the characters here.
// Insert the newline with an insert command, takes care of
// autoindent. The insert command depends on being on the last
// character of a line or not.
(void)del_chars(cap->count1, FALSE); // delete the characters
stuffcharReadbuff('\r');
stuffcharReadbuff(ESC);
// Give 'r' to edit(), to get the redo command right.
invoke_edit(cap, TRUE, 'r', FALSE);
}
else
{
prep_redo(cap->oap->regname, cap->count1,
NUL, 'r', NUL, had_ctrl_v, cap->nchar);
curbuf->b_op_start = curwin->w_cursor;
if (has_mbyte)
{
int old_State = State;
if (cap->ncharC1 != 0)
AppendCharToRedobuff(cap->ncharC1);
if (cap->ncharC2 != 0)
AppendCharToRedobuff(cap->ncharC2);
// This is slow, but it handles replacing a single-byte with a
// multi-byte and the other way around. Also handles adding
// composing characters for utf-8.
for (n = cap->count1; n > 0; --n)
{
State = MODE_REPLACE;
if (cap->nchar == Ctrl_E || cap->nchar == Ctrl_Y)
{
int c = ins_copychar(curwin->w_cursor.lnum
+ (cap->nchar == Ctrl_Y ? -1 : 1));
if (c != NUL)
ins_char(c);
else
// will be decremented further down
++curwin->w_cursor.col;
}
else
ins_char(cap->nchar);
State = old_State;
if (cap->ncharC1 != 0)
ins_char(cap->ncharC1);
if (cap->ncharC2 != 0)
ins_char(cap->ncharC2);
}
}
else
{
char_u *ptr;
// Replace the characters within one line.
for (n = cap->count1; n > 0; --n)
{
// Get ptr again, because ins_copychar() and showmatch()
// will have released the line.
// At the same time we let know that the line will be changed.
if (cap->nchar == Ctrl_E || cap->nchar == Ctrl_Y)
{
int c = ins_copychar(curwin->w_cursor.lnum
+ (cap->nchar == Ctrl_Y ? -1 : 1));
ptr = ml_get_buf(curbuf, curwin->w_cursor.lnum, TRUE);
if (c != NUL)
ptr[curwin->w_cursor.col] = c;
}
else
{
ptr = ml_get_buf(curbuf, curwin->w_cursor.lnum, TRUE);
ptr[curwin->w_cursor.col] = cap->nchar;
}
if (p_sm && msg_silent == 0)
showmatch(cap->nchar);
++curwin->w_cursor.col;
}
#ifdef FEAT_NETBEANS_INTG
if (netbeans_active())
{
colnr_T start = (colnr_T)(curwin->w_cursor.col - cap->count1);
ptr = ml_get_curline();
netbeans_removed(curbuf, curwin->w_cursor.lnum, start,
cap->count1);
netbeans_inserted(curbuf, curwin->w_cursor.lnum, start,
&ptr[start], (int)cap->count1);
}
#endif
// mark the buffer as changed and prepare for displaying
changed_bytes(curwin->w_cursor.lnum,
(colnr_T)(curwin->w_cursor.col - cap->count1));
}
--curwin->w_cursor.col; // cursor on the last replaced char
// if the character on the left of the current cursor is a multi-byte
// character, move two characters left
if (has_mbyte)
mb_adjust_cursor();
curbuf->b_op_end = curwin->w_cursor;
curwin->w_set_curswant = TRUE;
set_last_insert(cap->nchar);
}
}
/*
* 'o': Exchange start and end of Visual area.
* 'O': same, but in block mode exchange left and right corners.
*/
static void
v_swap_corners(int cmdchar)
{
pos_T old_cursor;
colnr_T left, right;
if (cmdchar == 'O' && VIsual_mode == Ctrl_V)
{
old_cursor = curwin->w_cursor;
getvcols(curwin, &old_cursor, &VIsual, &left, &right);
curwin->w_cursor.lnum = VIsual.lnum;
coladvance(left);
VIsual = curwin->w_cursor;
curwin->w_cursor.lnum = old_cursor.lnum;
curwin->w_curswant = right;
// 'selection "exclusive" and cursor at right-bottom corner: move it
// right one column
if (old_cursor.lnum >= VIsual.lnum && *p_sel == 'e')
++curwin->w_curswant;
coladvance(curwin->w_curswant);
if (curwin->w_cursor.col == old_cursor.col
&& (!virtual_active()
|| curwin->w_cursor.coladd == old_cursor.coladd))
{
curwin->w_cursor.lnum = VIsual.lnum;
if (old_cursor.lnum <= VIsual.lnum && *p_sel == 'e')
++right;
coladvance(right);
VIsual = curwin->w_cursor;
curwin->w_cursor.lnum = old_cursor.lnum;
coladvance(left);
curwin->w_curswant = left;
}
}
else
{
old_cursor = curwin->w_cursor;
curwin->w_cursor = VIsual;
VIsual = old_cursor;
curwin->w_set_curswant = TRUE;
}
}
/*
* "R" (cap->arg is FALSE) and "gR" (cap->arg is TRUE).
*/
static void
nv_Replace(cmdarg_T *cap)
{
if (VIsual_active) // "R" is replace lines
{
cap->cmdchar = 'c';
cap->nchar = NUL;
VIsual_mode_orig = VIsual_mode; // remember original area for gv
VIsual_mode = 'V';
nv_operator(cap);
return;
}
if (checkclearopq(cap->oap))
return;
if (!curbuf->b_p_ma)
emsg(_(e_cannot_make_changes_modifiable_is_off));
else
{
if (virtual_active())
coladvance(getviscol());
invoke_edit(cap, FALSE, cap->arg ? 'V' : 'R', FALSE);
}
}
/*
* "gr".
*/
static void
nv_vreplace(cmdarg_T *cap)
{
if (VIsual_active)
{
cap->cmdchar = 'r';
cap->nchar = cap->extra_char;
nv_replace(cap); // Do same as "r" in Visual mode for now
return;
}
if (checkclearopq(cap->oap))
return;
if (!curbuf->b_p_ma)
emsg(_(e_cannot_make_changes_modifiable_is_off));
else
{
if (cap->extra_char == Ctrl_V || cap->extra_char == Ctrl_Q)
// get another character
cap->extra_char = get_literal(FALSE);
if (cap->extra_char < ' ')
// Prefix a control character with CTRL-V to avoid it being used as
// a command.
stuffcharReadbuff(Ctrl_V);
stuffcharReadbuff(cap->extra_char);
stuffcharReadbuff(ESC);
if (virtual_active())
coladvance(getviscol());
invoke_edit(cap, TRUE, 'v', FALSE);
}
}
/*
* Swap case for "~" command, when it does not work like an operator.
*/
static void
n_swapchar(cmdarg_T *cap)
{
long n;
pos_T startpos;
int did_change = 0;
#ifdef FEAT_NETBEANS_INTG
pos_T pos;
char_u *ptr;
int count;
#endif
if (checkclearopq(cap->oap))
return;
if (LINEEMPTY(curwin->w_cursor.lnum) && vim_strchr(p_ww, '~') == NULL)
{
clearopbeep(cap->oap);
return;
}
prep_redo_cmd(cap);
if (u_save_cursor() == FAIL)
return;
startpos = curwin->w_cursor;
#ifdef FEAT_NETBEANS_INTG
pos = startpos;
#endif
for (n = cap->count1; n > 0; --n)
{
did_change |= swapchar(cap->oap->op_type, &curwin->w_cursor);
inc_cursor();
if (gchar_cursor() == NUL)
{
if (vim_strchr(p_ww, '~') != NULL
&& curwin->w_cursor.lnum < curbuf->b_ml.ml_line_count)
{
#ifdef FEAT_NETBEANS_INTG
if (netbeans_active())
{
if (did_change)
{
ptr = ml_get(pos.lnum);
count = (int)ml_get_len(pos.lnum) - pos.col;
netbeans_removed(curbuf, pos.lnum, pos.col,
(long)count);
// line may have been flushed, get it again
ptr = ml_get(pos.lnum);
netbeans_inserted(curbuf, pos.lnum, pos.col,
&ptr[pos.col], count);
}
pos.col = 0;
pos.lnum++;
}
#endif
++curwin->w_cursor.lnum;
curwin->w_cursor.col = 0;
if (n > 1)
{
if (u_savesub(curwin->w_cursor.lnum) == FAIL)
break;
u_clearline();
}
}
else
break;
}
}
#ifdef FEAT_NETBEANS_INTG
if (did_change && netbeans_active())
{
ptr = ml_get(pos.lnum);
count = curwin->w_cursor.col - pos.col;
netbeans_removed(curbuf, pos.lnum, pos.col, (long)count);
netbeans_inserted(curbuf, pos.lnum, pos.col, &ptr[pos.col], count);
}
#endif
check_cursor();
curwin->w_set_curswant = TRUE;
if (did_change)
{
changed_lines(startpos.lnum, startpos.col, curwin->w_cursor.lnum + 1,
0L);
curbuf->b_op_start = startpos;
curbuf->b_op_end = curwin->w_cursor;
if (curbuf->b_op_end.col > 0)
--curbuf->b_op_end.col;
}
}
/*
* Move cursor to mark.
*/
static void
nv_cursormark(cmdarg_T *cap, int flag, pos_T *pos)
{
if (check_mark(pos) == FAIL)
clearop(cap->oap);
else
{
if (cap->cmdchar == '\''
|| cap->cmdchar == '`'
|| cap->cmdchar == '['
|| cap->cmdchar == ']')
setpcmark();
curwin->w_cursor = *pos;
if (flag)
beginline(BL_WHITE | BL_FIX);
else
check_cursor();
}
cap->oap->motion_type = flag ? MLINE : MCHAR;
if (cap->cmdchar == '`')
cap->oap->use_reg_one = TRUE;
cap->oap->inclusive = FALSE; // ignored if not MCHAR
curwin->w_set_curswant = TRUE;
}
/*
* Handle commands that are operators in Visual mode.
*/
static void
v_visop(cmdarg_T *cap)
{
static char_u trans[] = "YyDdCcxdXdAAIIrr";
// Uppercase means linewise, except in block mode, then "D" deletes till
// the end of the line, and "C" replaces till EOL
if (SAFE_isupper(cap->cmdchar))
{
if (VIsual_mode != Ctrl_V)
{
VIsual_mode_orig = VIsual_mode;
VIsual_mode = 'V';
}
else if (cap->cmdchar == 'C' || cap->cmdchar == 'D')
curwin->w_curswant = MAXCOL;
}
cap->cmdchar = *(vim_strchr(trans, cap->cmdchar) + 1);
nv_operator(cap);
}
/*
* "s" and "S" commands.
*/
static void
nv_subst(cmdarg_T *cap)
{
#ifdef FEAT_TERMINAL
// When showing output of term_dumpdiff() swap the top and bottom.
if (term_swap_diff() == OK)
return;
#endif
#ifdef FEAT_JOB_CHANNEL
if (bt_prompt(curbuf) && !prompt_curpos_editable())
{
clearopbeep(cap->oap);
return;
}
#endif
if (VIsual_active) // "vs" and "vS" are the same as "vc"
{
if (cap->cmdchar == 'S')
{
VIsual_mode_orig = VIsual_mode;
VIsual_mode = 'V';
}
cap->cmdchar = 'c';
nv_operator(cap);
}
else
nv_optrans(cap);
}
/*
* Abbreviated commands.
*/
static void
nv_abbrev(cmdarg_T *cap)
{
if (cap->cmdchar == K_DEL || cap->cmdchar == K_KDEL)
cap->cmdchar = 'x'; // DEL key behaves like 'x'
// in Visual mode these commands are operators
if (VIsual_active)
v_visop(cap);
else
nv_optrans(cap);
}
/*
* Translate a command into another command.
*/
static void
nv_optrans(cmdarg_T *cap)
{
static char_u *(ar[8]) = {(char_u *)"dl", (char_u *)"dh",
(char_u *)"d$", (char_u *)"c$",
(char_u *)"cl", (char_u *)"cc",
(char_u *)"yy", (char_u *)":s\r"};
static char_u *str = (char_u *)"xXDCsSY&";
if (!checkclearopq(cap->oap))
{
// In Vi "2D" doesn't delete the next line. Can't translate it
// either, because "2." should also not use the count.
if (cap->cmdchar == 'D' && vim_strchr(p_cpo, CPO_HASH) != NULL)
{
cap->oap->start = curwin->w_cursor;
cap->oap->op_type = OP_DELETE;
#ifdef FEAT_EVAL
set_op_var(OP_DELETE);
#endif
cap->count1 = 1;
nv_dollar(cap);
finish_op = TRUE;
ResetRedobuff();
AppendCharToRedobuff('D');
}
else
{
if (cap->count0)
stuffnumReadbuff(cap->count0);
stuffReadbuff(ar[(int)(vim_strchr(str, cap->cmdchar) - str)]);
}
}
cap->opcount = 0;
}
/*
* "'" and "`" commands. Also for "g'" and "g`".
* cap->arg is TRUE for "'" and "g'".
*/
static void
nv_gomark(cmdarg_T *cap)
{
pos_T *pos;
int c;
#ifdef FEAT_FOLDING
pos_T old_cursor = curwin->w_cursor;
int old_KeyTyped = KeyTyped; // getting file may reset it
#endif
if (cap->cmdchar == 'g')
c = cap->extra_char;
else
c = cap->nchar;
pos = getmark(c, (cap->oap->op_type == OP_NOP));
if (pos == (pos_T *)-1) // jumped to other file
{
if (cap->arg)
{
check_cursor_lnum();
beginline(BL_WHITE | BL_FIX);
}
else
check_cursor();
}
else
nv_cursormark(cap, cap->arg, pos);
// May need to clear the coladd that a mark includes.
if (!virtual_active())
curwin->w_cursor.coladd = 0;
check_cursor_col();
#ifdef FEAT_FOLDING
if (cap->oap->op_type == OP_NOP
&& pos != NULL
&& (pos == (pos_T *)-1 || !EQUAL_POS(old_cursor, *pos))
&& (fdo_flags & FDO_MARK)
&& old_KeyTyped)
foldOpenCursor();
#endif
}
/*
* Handle CTRL-O, CTRL-I, "g;", "g," and "CTRL-Tab" commands.
*/
static void
nv_pcmark(cmdarg_T *cap)
{
pos_T *pos;
#ifdef FEAT_FOLDING
linenr_T lnum = curwin->w_cursor.lnum;
int old_KeyTyped = KeyTyped; // getting file may reset it
#endif
if (checkclearopq(cap->oap))
return;
if (cap->cmdchar == TAB && mod_mask == MOD_MASK_CTRL)
{
if (goto_tabpage_lastused() == FAIL)
clearopbeep(cap->oap);
return;
}
if (cap->cmdchar == 'g')
pos = movechangelist((int)cap->count1);
else
pos = movemark((int)cap->count1);
if (pos == (pos_T *)-1) // jump to other file
{
curwin->w_set_curswant = TRUE;
check_cursor();
}
else if (pos != NULL) // can jump
nv_cursormark(cap, FALSE, pos);
else if (cap->cmdchar == 'g')
{
if (curbuf->b_changelistlen == 0)
emsg(_(e_changelist_is_empty));
else if (cap->count1 < 0)
emsg(_(e_at_start_of_changelist));
else
emsg(_(e_at_end_of_changelist));
}
else
clearopbeep(cap->oap);
# ifdef FEAT_FOLDING
if (cap->oap->op_type == OP_NOP
&& (pos == (pos_T *)-1 || lnum != curwin->w_cursor.lnum)
&& (fdo_flags & FDO_MARK)
&& old_KeyTyped)
foldOpenCursor();
# endif
}
/*
* Handle '"' command.
*/
static void
nv_regname(cmdarg_T *cap)
{
if (checkclearop(cap->oap))
return;
#ifdef FEAT_EVAL
if (cap->nchar == '=')
cap->nchar = get_expr_register();
#endif
if (cap->nchar != NUL && valid_yank_reg(cap->nchar, FALSE))
{
cap->oap->regname = cap->nchar;
cap->opcount = cap->count0; // remember count before '"'
#ifdef FEAT_EVAL
set_reg_var(cap->oap->regname);
#endif
}
else
clearopbeep(cap->oap);
}
/*
* Handle "v", "V" and "CTRL-V" commands.
* Also for "gh", "gH" and "g^H" commands: Always start Select mode, cap->arg
* is TRUE.
* Handle CTRL-Q just like CTRL-V.
*/
static void
nv_visual(cmdarg_T *cap)
{
if (cap->cmdchar == Ctrl_Q)
cap->cmdchar = Ctrl_V;
// 'v', 'V' and CTRL-V can be used while an operator is pending to make it
// characterwise, linewise, or blockwise.
if (cap->oap->op_type != OP_NOP)
{
motion_force = cap->oap->motion_force = cap->cmdchar;
finish_op = FALSE; // operator doesn't finish now but later
return;
}
VIsual_select = cap->arg;
if (VIsual_active) // change Visual mode
{
if (VIsual_mode == cap->cmdchar) // stop visual mode
end_visual_mode();
else // toggle char/block mode
{ // or char/line mode
VIsual_mode = cap->cmdchar;
showmode();
may_trigger_modechanged();
}
redraw_curbuf_later(UPD_INVERTED); // update the inversion
}
else // start Visual mode
{
check_visual_highlight();
if (cap->count0 > 0 && resel_VIsual_mode != NUL)
{
// use previously selected part
VIsual = curwin->w_cursor;
VIsual_active = TRUE;
VIsual_reselect = TRUE;
if (!cap->arg)
// start Select mode when 'selectmode' contains "cmd"
may_start_select('c');
setmouse();
if (p_smd && msg_silent == 0)
redraw_cmdline = TRUE; // show visual mode later
// For V and ^V, we multiply the number of lines even if there
// was only one -- webb
if (resel_VIsual_mode != 'v' || resel_VIsual_line_count > 1)
{
curwin->w_cursor.lnum +=
resel_VIsual_line_count * cap->count0 - 1;
check_cursor();
}
VIsual_mode = resel_VIsual_mode;
if (VIsual_mode == 'v')
{
if (resel_VIsual_line_count <= 1)
{
update_curswant_force();
curwin->w_curswant += resel_VIsual_vcol * cap->count0;
if (*p_sel != 'e')
--curwin->w_curswant;
}
else
curwin->w_curswant = resel_VIsual_vcol;
coladvance(curwin->w_curswant);
}
if (resel_VIsual_vcol == MAXCOL)
{
curwin->w_curswant = MAXCOL;
coladvance((colnr_T)MAXCOL);
}
else if (VIsual_mode == Ctrl_V)
{
// Update curswant on the original line, that is where "col" is
// valid.
linenr_T lnum = curwin->w_cursor.lnum;
curwin->w_cursor.lnum = VIsual.lnum;
update_curswant_force();
curwin->w_curswant += resel_VIsual_vcol * cap->count0 - 1;
curwin->w_cursor.lnum = lnum;
if (*p_sel == 'e')
++curwin->w_curswant;
coladvance(curwin->w_curswant);
}
else
curwin->w_set_curswant = TRUE;
redraw_curbuf_later(UPD_INVERTED); // show the inversion
}
else
{
if (!cap->arg)
// start Select mode when 'selectmode' contains "cmd"
may_start_select('c');
n_start_visual_mode(cap->cmdchar);
if (VIsual_mode != 'V' && *p_sel == 'e')
++cap->count1; // include one more char
else
VIsual_select_exclu_adj = FALSE;
if (cap->count0 > 0 && --cap->count1 > 0)
{
// With a count select that many characters or lines.
if (VIsual_mode == 'v' || VIsual_mode == Ctrl_V)
nv_right(cap);
else if (VIsual_mode == 'V')
nv_down(cap);
}
}
}
}
/*
* Start selection for Shift-movement keys.
*/
void
start_selection(void)
{
// if 'selectmode' contains "key", start Select mode
may_start_select('k');
n_start_visual_mode('v');
}
/*
* Start Select mode, if "c" is in 'selectmode' and not in a mapping or menu.
* When "c" is 'o' (checking for "mouse") then also when mapped.
*/
void
may_start_select(int c)
{
VIsual_select = (c == 'o' || (stuff_empty() && typebuf_typed()))
&& vim_strchr(p_slm, c) != NULL;
}
/*
* Start Visual mode "c".
* Should set VIsual_select before calling this.
*/
static void
n_start_visual_mode(int c)
{
#ifdef FEAT_CONCEAL
int cursor_line_was_concealed = curwin->w_p_cole > 0
&& conceal_cursor_line(curwin);
#endif
VIsual_mode = c;
VIsual_active = TRUE;
VIsual_reselect = TRUE;
// Corner case: the 0 position in a tab may change when going into
// virtualedit. Recalculate curwin->w_cursor to avoid bad highlighting.
if (c == Ctrl_V && (get_ve_flags() & VE_BLOCK) && gchar_cursor() == TAB)
{
validate_virtcol();
coladvance(curwin->w_virtcol);
}
VIsual = curwin->w_cursor;
#ifdef FEAT_FOLDING
foldAdjustVisual();
#endif
may_trigger_modechanged();
setmouse();
#ifdef FEAT_CONCEAL
// Check if redraw is needed after changing the state.
conceal_check_cursor_line(cursor_line_was_concealed);
#endif
if (p_smd && msg_silent == 0)
redraw_cmdline = TRUE; // show visual mode later
#ifdef FEAT_CLIPBOARD
// Make sure the clipboard gets updated. Needed because start and
// end may still be the same, and the selection needs to be owned
clip_star.vmode = NUL;
#endif
// Only need to redraw this line, unless still need to redraw an old
// Visual area (when 'lazyredraw' is set).
if (curwin->w_redr_type < UPD_INVERTED)
{
curwin->w_old_cursor_lnum = curwin->w_cursor.lnum;
curwin->w_old_visual_lnum = curwin->w_cursor.lnum;
}
}
/*
* CTRL-W: Window commands
*/
static void
nv_window(cmdarg_T *cap)
{
if (cap->nchar == ':')
{
// "CTRL-W :" is the same as typing ":"; useful in a terminal window
cap->cmdchar = ':';
cap->nchar = NUL;
nv_colon(cap);
}
else if (!checkclearop(cap->oap))
do_window(cap->nchar, cap->count0, NUL); // everything is in window.c
}
/*
* CTRL-Z: Suspend
*/
static void
nv_suspend(cmdarg_T *cap)
{
clearop(cap->oap);
if (VIsual_active)
end_visual_mode(); // stop Visual mode
do_cmdline_cmd((char_u *)"stop");
}
/*
* "gv": Reselect the previous Visual area. If Visual already active,
* exchange previous and current Visual area.
*/
static void
nv_gv_cmd(cmdarg_T *cap)
{
pos_T tpos;
int i;
if (checkclearop(cap->oap))
return;
if (curbuf->b_visual.vi_start.lnum == 0
|| curbuf->b_visual.vi_start.lnum > curbuf->b_ml.ml_line_count
|| curbuf->b_visual.vi_end.lnum == 0)
{
beep_flush();
return;
}
// set w_cursor to the start of the Visual area, tpos to the end
if (VIsual_active)
{
i = VIsual_mode;
VIsual_mode = curbuf->b_visual.vi_mode;
curbuf->b_visual.vi_mode = i;
# ifdef FEAT_EVAL
curbuf->b_visual_mode_eval = i;
# endif
i = curwin->w_curswant;
curwin->w_curswant = curbuf->b_visual.vi_curswant;
curbuf->b_visual.vi_curswant = i;
tpos = curbuf->b_visual.vi_end;
curbuf->b_visual.vi_end = curwin->w_cursor;
curwin->w_cursor = curbuf->b_visual.vi_start;
curbuf->b_visual.vi_start = VIsual;
}
else
{
VIsual_mode = curbuf->b_visual.vi_mode;
curwin->w_curswant = curbuf->b_visual.vi_curswant;
tpos = curbuf->b_visual.vi_end;
curwin->w_cursor = curbuf->b_visual.vi_start;
}
VIsual_active = TRUE;
VIsual_reselect = TRUE;
// Set Visual to the start and w_cursor to the end of the Visual
// area. Make sure they are on an existing character.
check_cursor();
VIsual = curwin->w_cursor;
curwin->w_cursor = tpos;
check_cursor();
update_topline();
// When called from normal "g" command: start Select mode when
// 'selectmode' contains "cmd". When called for K_SELECT, always
// start Select mode.
if (cap->arg)
{
VIsual_select = TRUE;
VIsual_select_reg = 0;
}
else
may_start_select('c');
setmouse();
#ifdef FEAT_CLIPBOARD
// Make sure the clipboard gets updated. Needed because start and
// end are still the same, and the selection needs to be owned
clip_star.vmode = NUL;
#endif
redraw_curbuf_later(UPD_INVERTED);
showmode();
}
/*
* "g0", "g^" : Like "0" and "^" but for screen lines.
* "gm": middle of "g0" and "g$".
*/
void
nv_g_home_m_cmd(cmdarg_T *cap)
{
int i;
int flag = FALSE;
if (cap->nchar == '^')
flag = TRUE;
cap->oap->motion_type = MCHAR;
cap->oap->inclusive = FALSE;
if (curwin->w_p_wrap && curwin->w_width != 0)
{
int width1 = curwin->w_width - curwin_col_off();
int width2 = width1 + curwin_col_off2();
int virtcol;
validate_virtcol();
virtcol = curwin->w_virtcol
#ifdef FEAT_PROP_POPUP
- curwin->w_virtcol_first_char
#endif
;
i = 0;
if (virtcol >= (colnr_T)width1 && width2 > 0)
i = (virtcol - width1) / width2 * width2 + width1;
// When ending up below 'smoothscroll' marker, move just beyond it so
// that skipcol is not adjusted later.
if (curwin->w_skipcol > 0 && curwin->w_cursor.lnum == curwin->w_topline)
{
int overlap = sms_marker_overlap(curwin, curwin->w_width - width2);
if (overlap > 0 && i == curwin->w_skipcol)
i += overlap;
}
}
else
i = curwin->w_leftcol;
// Go to the middle of the screen line. When 'number' or
// 'relativenumber' is on and lines are wrapping the middle can be more
// to the left.
if (cap->nchar == 'm')
i += (curwin->w_width - curwin_col_off()
+ ((curwin->w_p_wrap && i > 0)
? curwin_col_off2() : 0)) / 2;
coladvance((colnr_T)i);
if (flag)
{
do
i = gchar_cursor();
while (VIM_ISWHITE(i) && oneright() == OK);
curwin->w_valid &= ~VALID_WCOL;
}
curwin->w_set_curswant = TRUE;
#ifdef FEAT_FOLDING
if (hasAnyFolding(curwin))
{
validate_cheight();
if (curwin->w_cline_folded)
update_curswant_force();
}
#endif
adjust_skipcol();
}
/*
* "g_": to the last non-blank character in the line or <count> lines
* downward.
*/
static void
nv_g_underscore_cmd(cmdarg_T *cap)
{
char_u *ptr;
cap->oap->motion_type = MCHAR;
cap->oap->inclusive = TRUE;
curwin->w_curswant = MAXCOL;
if (cursor_down((long)(cap->count1 - 1),
cap->oap->op_type == OP_NOP) == FAIL)
{
clearopbeep(cap->oap);
return;
}
ptr = ml_get_curline();
// In Visual mode we may end up after the line.
if (curwin->w_cursor.col > 0 && ptr[curwin->w_cursor.col] == NUL)
--curwin->w_cursor.col;
// Decrease the cursor column until it's on a non-blank.
while (curwin->w_cursor.col > 0
&& VIM_ISWHITE(ptr[curwin->w_cursor.col]))
--curwin->w_cursor.col;
curwin->w_set_curswant = TRUE;
adjust_for_sel(cap);
}
/*
* "g$" : Like "$" but for screen lines.
*/
static void
nv_g_dollar_cmd(cmdarg_T *cap)
{
oparg_T *oap = cap->oap;
int i;
int col_off = curwin_col_off();
int flag = FALSE;
if (cap->nchar == K_END || cap->nchar == K_KEND)
flag = TRUE;
oap->motion_type = MCHAR;
oap->inclusive = TRUE;
if (curwin->w_p_wrap && curwin->w_width != 0)
{
curwin->w_curswant = MAXCOL; // so we stay at the end
if (cap->count1 == 1)
{
int width1 = curwin->w_width - col_off;
int width2 = width1 + curwin_col_off2();
int virtcol;
validate_virtcol();
virtcol = curwin->w_virtcol
#ifdef FEAT_PROP_POPUP
- curwin->w_virtcol_first_char
#endif
;
i = width1 - 1;
if (virtcol >= (colnr_T)width1)
i += ((virtcol - width1) / width2 + 1)
* width2;
coladvance((colnr_T)i);
// Make sure we stick in this column.
update_curswant_force();
if (curwin->w_cursor.col > 0 && curwin->w_p_wrap)
{
// Check for landing on a character that got split at
// the end of the line. We do not want to advance to
// the next screen line.
if (curwin->w_virtcol
#ifdef FEAT_PROP_POPUP
- curwin->w_virtcol_first_char
#endif
> (colnr_T)i)
--curwin->w_cursor.col;
}
}
else if (nv_screengo(oap, FORWARD, cap->count1 - 1) == FAIL)
clearopbeep(oap);
}
else
{
if (cap->count1 > 1)
// if it fails, let the cursor still move to the last char
(void)cursor_down(cap->count1 - 1, FALSE);
i = curwin->w_leftcol + curwin->w_width - col_off - 1;
coladvance((colnr_T)i);
// if the character doesn't fit move one back
if (curwin->w_cursor.col > 0
&& (*mb_ptr2cells)(ml_get_cursor()) > 1)
{
colnr_T vcol;
getvvcol(curwin, &curwin->w_cursor, NULL, NULL, &vcol);
if (vcol >= curwin->w_leftcol + curwin->w_width - col_off)
--curwin->w_cursor.col;
}
// Make sure we stick in this column.
update_curswant_force();
}
if (flag)
{
do
i = gchar_cursor();
while (VIM_ISWHITE(i) && oneleft() == OK);
curwin->w_valid &= ~VALID_WCOL;
}
}
/*
* "gi": start Insert at the last position.
*/
static void
nv_gi_cmd(cmdarg_T *cap)
{
int i;
if (curbuf->b_last_insert.lnum != 0)
{
curwin->w_cursor = curbuf->b_last_insert;
check_cursor_lnum();
i = (int)ml_get_curline_len();
if (curwin->w_cursor.col > (colnr_T)i)
{
if (virtual_active())
curwin->w_cursor.coladd += curwin->w_cursor.col - i;
curwin->w_cursor.col = i;
}
}
cap->cmdchar = 'i';
nv_edit(cap);
}
/*
* Commands starting with "g".
*/
static void
nv_g_cmd(cmdarg_T *cap)
{
oparg_T *oap = cap->oap;
int i;
switch (cap->nchar)
{
case Ctrl_A:
case Ctrl_X:
#ifdef MEM_PROFILE
// "g^A": dump log of used memory.
if (!VIsual_active && cap->nchar == Ctrl_A)
vim_mem_profile_dump();
else
#endif
// "g^A/g^X": sequentially increment visually selected region
if (VIsual_active)
{
cap->arg = TRUE;
cap->cmdchar = cap->nchar;
cap->nchar = NUL;
nv_addsub(cap);
}
else
clearopbeep(oap);
break;
// "gR": Enter virtual replace mode.
case 'R':
cap->arg = TRUE;
nv_Replace(cap);
break;
case 'r':
nv_vreplace(cap);
break;
case '&':
do_cmdline_cmd((char_u *)"%s//~/&");
break;
// "gv": Reselect the previous Visual area. If Visual already active,
// exchange previous and current Visual area.
case 'v':
nv_gv_cmd(cap);
break;
// "gV": Don't reselect the previous Visual area after a Select mode
// mapping of menu.
case 'V':
VIsual_reselect = FALSE;
break;
// "gh": start Select mode.
// "gH": start Select line mode.
// "g^H": start Select block mode.
case K_BS:
cap->nchar = Ctrl_H;
// FALLTHROUGH
case 'h':
case 'H':
case Ctrl_H:
cap->cmdchar = cap->nchar + ('v' - 'h');
cap->arg = TRUE;
nv_visual(cap);
break;
// "gn", "gN" visually select next/previous search match
// "gn" selects next match
// "gN" selects previous match
case 'N':
case 'n':
if (!current_search(cap->count1, cap->nchar == 'n'))
clearopbeep(oap);
break;
// "gj" and "gk" two new funny movement keys -- up and down
// movement based on *screen* line rather than *file* line.
case 'j':
case K_DOWN:
// with 'nowrap' it works just like the normal "j" command.
if (!curwin->w_p_wrap)
{
oap->motion_type = MLINE;
i = cursor_down(cap->count1, oap->op_type == OP_NOP);
}
else
i = nv_screengo(oap, FORWARD, cap->count1);
if (i == FAIL)
clearopbeep(oap);
break;
case 'k':
case K_UP:
// with 'nowrap' it works just like the normal "k" command.
if (!curwin->w_p_wrap)
{
oap->motion_type = MLINE;
i = cursor_up(cap->count1, oap->op_type == OP_NOP);
}
else
i = nv_screengo(oap, BACKWARD, cap->count1);
if (i == FAIL)
clearopbeep(oap);
break;
// "gJ": join two lines without inserting a space.
case 'J':
nv_join(cap);
break;
// "g0", "g^" : Like "0" and "^" but for screen lines.
// "gm": middle of "g0" and "g$".
case '^':
case '0':
case 'm':
case K_HOME:
case K_KHOME:
nv_g_home_m_cmd(cap);
break;
case 'M':
{
oap->motion_type = MCHAR;
oap->inclusive = FALSE;
i = linetabsize_no_outer(curwin, curwin->w_cursor.lnum);
if (cap->count0 > 0 && cap->count0 <= 100)
coladvance((colnr_T)(i * cap->count0 / 100));
else
coladvance((colnr_T)(i / 2));
curwin->w_set_curswant = TRUE;
}
break;
// "g_": to the last non-blank character in the line or <count> lines
// downward.
case '_':
nv_g_underscore_cmd(cap);
break;
// "g$" : Like "$" but for screen lines.
case '$':
case K_END:
case K_KEND:
nv_g_dollar_cmd(cap);
break;
// "g*" and "g#", like "*" and "#" but without using "\<" and "\>"
case '*':
case '#':
#if POUND != '#'
case POUND: // pound sign (sometimes equal to '#')
#endif
case Ctrl_RSB: // :tag or :tselect for current identifier
case ']': // :tselect for current identifier
nv_ident(cap);
break;
// ge and gE: go back to end of word
case 'e':
case 'E':
oap->motion_type = MCHAR;
curwin->w_set_curswant = TRUE;
oap->inclusive = TRUE;
if (bckend_word(cap->count1, cap->nchar == 'E', FALSE) == FAIL)
clearopbeep(oap);
break;
// "g CTRL-G": display info about cursor position
case Ctrl_G:
cursor_pos_info(NULL);
break;
// "gi": start Insert at the last position.
case 'i':
nv_gi_cmd(cap);
break;
// "gI": Start insert in column 1.
case 'I':
beginline(0);
if (!checkclearopq(oap))
invoke_edit(cap, FALSE, 'g', FALSE);
break;
// "gf": goto file, edit file under cursor
// "]f" and "[f": can also be used.
case 'f':
case 'F':
nv_gotofile(cap);
break;
// "g'm" and "g`m": jump to mark without setting pcmark
case '\'':
cap->arg = TRUE;
// FALLTHROUGH
case '`':
nv_gomark(cap);
break;
// "gs": Goto sleep.
case 's':
do_sleep(cap->count1 * 1000L, FALSE);
break;
// "ga": Display the ascii value of the character under the
// cursor. It is displayed in decimal, hex, and octal. -- webb
case 'a':
do_ascii(NULL);
break;
// "g8": Display the bytes used for the UTF-8 character under the
// cursor. It is displayed in hex.
// "8g8" finds illegal byte sequence.
case '8':
if (cap->count0 == 8)
utf_find_illegal();
else
show_utf8();
break;
// "g<": show scrollback text
case '<':
show_sb_text();
break;
// "gg": Goto the first line in file. With a count it goes to
// that line number like for "G". -- webb
case 'g':
cap->arg = FALSE;
nv_goto(cap);
break;
// Two-character operators:
// "gq" Format text
// "gw" Format text and keep cursor position
// "g~" Toggle the case of the text.
// "gu" Change text to lower case.
// "gU" Change text to upper case.
// "g?" rot13 encoding
// "g@" call 'operatorfunc'
case 'q':
case 'w':
oap->cursor_start = curwin->w_cursor;
// FALLTHROUGH
case '~':
case 'u':
case 'U':
case '?':
case '@':
nv_operator(cap);
break;
// "gd": Find first occurrence of pattern under the cursor in the
// current function
// "gD": idem, but in the current file.
case 'd':
case 'D':
nv_gd(oap, cap->nchar, (int)cap->count0);
break;
// g<*Mouse> : <C-*mouse>
case K_MIDDLEMOUSE:
case K_MIDDLEDRAG:
case K_MIDDLERELEASE:
case K_LEFTMOUSE:
case K_LEFTDRAG:
case K_LEFTRELEASE:
case K_MOUSEMOVE:
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:
mod_mask = MOD_MASK_CTRL;
(void)do_mouse(oap, cap->nchar, BACKWARD, cap->count1, 0);
break;
case K_IGNORE:
break;
// "gP" and "gp": same as "P" and "p" but leave cursor just after new text
case 'p':
case 'P':
nv_put(cap);
break;
#ifdef FEAT_BYTEOFF
// "go": goto byte count from start of buffer
case 'o':
oap->inclusive = FALSE;
goto_byte(cap->count0);
break;
#endif
// "gQ": improved Ex mode
case 'Q':
if (!check_text_locked(cap->oap) && !checkclearopq(oap))
do_exmode(TRUE);
break;
case ',':
nv_pcmark(cap);
break;
case ';':
cap->count1 = -cap->count1;
nv_pcmark(cap);
break;
case 't':
if (!checkclearop(oap))
goto_tabpage((int)cap->count0);
break;
case 'T':
if (!checkclearop(oap))
goto_tabpage(-(int)cap->count1);
break;
case TAB:
if (!checkclearop(oap) && goto_tabpage_lastused() == FAIL)
clearopbeep(oap);
break;
case '+':
case '-': // "g+" and "g-": undo or redo along the timeline
if (!checkclearopq(oap))
undo_time(cap->nchar == '-' ? -cap->count1 : cap->count1,
FALSE, FALSE, FALSE);
break;
default:
clearopbeep(oap);
break;
}
}
/*
* Handle "o" and "O" commands.
*/
static void
n_opencmd(cmdarg_T *cap)
{
#ifdef FEAT_CONCEAL
linenr_T oldline = curwin->w_cursor.lnum;
#endif
if (checkclearopq(cap->oap))
return;
#ifdef FEAT_FOLDING
if (cap->cmdchar == 'O')
// Open above the first line of a folded sequence of lines
(void)hasFolding(curwin->w_cursor.lnum,
&curwin->w_cursor.lnum, NULL);
else
// Open below the last line of a folded sequence of lines
(void)hasFolding(curwin->w_cursor.lnum,
NULL, &curwin->w_cursor.lnum);
#endif
// trigger TextChangedI for the 'o/O' command
curbuf->b_last_changedtick_i = CHANGEDTICK(curbuf);
if (u_save((linenr_T)(curwin->w_cursor.lnum -
(cap->cmdchar == 'O' ? 1 : 0)),
(linenr_T)(curwin->w_cursor.lnum +
(cap->cmdchar == 'o' ? 1 : 0))
) == OK
&& open_line(cap->cmdchar == 'O' ? BACKWARD : FORWARD,
has_format_option(FO_OPEN_COMS) ? OPENLINE_DO_COM : 0,
0, NULL) == OK)
{
#ifdef FEAT_CONCEAL
if (curwin->w_p_cole > 0 && oldline != curwin->w_cursor.lnum)
redrawWinline(curwin, oldline);
#endif
#ifdef FEAT_SYN_HL
if (curwin->w_p_cul)
// force redraw of cursorline
curwin->w_valid &= ~VALID_CROW;
#endif
// When '#' is in 'cpoptions' ignore the count.
if (vim_strchr(p_cpo, CPO_HASH) != NULL)
cap->count1 = 1;
invoke_edit(cap, FALSE, cap->cmdchar, TRUE);
}
}
/*
* "." command: redo last change.
*/
static void
nv_dot(cmdarg_T *cap)
{
if (checkclearopq(cap->oap))
return;
// If "restart_edit" is TRUE, the last but one command is repeated
// instead of the last command (inserting text). This is used for
// CTRL-O <.> in insert mode.
if (start_redo(cap->count0, restart_edit != 0 && !arrow_used) == FAIL)
clearopbeep(cap->oap);
}
/*
* CTRL-R: undo undo or specify register in select mode
*/
static void
nv_redo_or_register(cmdarg_T *cap)
{
if (VIsual_select && VIsual_active)
{
int reg;
// Get register name
++no_mapping;
++allow_keys;
reg = plain_vgetc();
LANGMAP_ADJUST(reg, TRUE);
--no_mapping;
--allow_keys;
if (reg == '"')
// the unnamed register is 0
reg = 0;
VIsual_select_reg = valid_yank_reg(reg, TRUE) ? reg : 0;
return;
}
if (checkclearopq(cap->oap))
return;
u_redo((int)cap->count1);
curwin->w_set_curswant = TRUE;
}
/*
* Handle "U" command.
*/
static void
nv_Undo(cmdarg_T *cap)
{
// In Visual mode and typing "gUU" triggers an operator
if (cap->oap->op_type == OP_UPPER || VIsual_active)
{
// translate "gUU" to "gUgU"
cap->cmdchar = 'g';
cap->nchar = 'U';
nv_operator(cap);
return;
}
if (checkclearopq(cap->oap))
return;
u_undoline();
curwin->w_set_curswant = TRUE;
}
/*
* '~' command: If tilde is not an operator and Visual is off: swap case of a
* single character.
*/
static void
nv_tilde(cmdarg_T *cap)
{
if (!p_to && !VIsual_active && cap->oap->op_type != OP_TILDE)
{
#ifdef FEAT_JOB_CHANNEL
if (bt_prompt(curbuf) && !prompt_curpos_editable())
{
clearopbeep(cap->oap);
return;
}
#endif
n_swapchar(cap);
}
else
nv_operator(cap);
}
/*
* Handle an operator command.
* The actual work is done by do_pending_operator().
*/
static void
nv_operator(cmdarg_T *cap)
{
int op_type;
op_type = get_op_type(cap->cmdchar, cap->nchar);
#ifdef FEAT_JOB_CHANNEL
if (bt_prompt(curbuf) && op_is_change(op_type) && !prompt_curpos_editable())
{
clearopbeep(cap->oap);
return;
}
#endif
if (op_type == cap->oap->op_type) // double operator works on lines
nv_lineop(cap);
else if (!checkclearop(cap->oap))
{
cap->oap->start = curwin->w_cursor;
cap->oap->op_type = op_type;
#ifdef FEAT_EVAL
set_op_var(op_type);
#endif
}
}
#ifdef FEAT_EVAL
/*
* Set v:operator to the characters for "optype".
*/
static void
set_op_var(int optype)
{
char_u opchars[3];
if (optype == OP_NOP)
set_vim_var_string(VV_OP, NULL, 0);
else
{
opchars[0] = get_op_char(optype);
opchars[1] = get_extra_op_char(optype);
opchars[2] = NUL;
set_vim_var_string(VV_OP, opchars, -1);
}
}
#endif
/*
* Handle linewise operator "dd", "yy", etc.
*
* "_" is is a strange motion command that helps make operators more logical.
* It is actually implemented, but not documented in the real Vi. This motion
* command actually refers to "the current line". Commands like "dd" and "yy"
* are really an alternate form of "d_" and "y_". It does accept a count, so
* "d3_" works to delete 3 lines.
*/
static void
nv_lineop(cmdarg_T *cap)
{
cap->oap->motion_type = MLINE;
if (cursor_down(cap->count1 - 1L, cap->oap->op_type == OP_NOP) == FAIL)
clearopbeep(cap->oap);
else if ( (cap->oap->op_type == OP_DELETE // only with linewise motions
&& cap->oap->motion_force != 'v'
&& cap->oap->motion_force != Ctrl_V)
|| cap->oap->op_type == OP_LSHIFT
|| cap->oap->op_type == OP_RSHIFT)
beginline(BL_SOL | BL_FIX);
else if (cap->oap->op_type != OP_YANK) // 'Y' does not move cursor
beginline(BL_WHITE | BL_FIX);
}
/*
* <Home> command.
*/
static void
nv_home(cmdarg_T *cap)
{
// CTRL-HOME is like "gg"
if (mod_mask & MOD_MASK_CTRL)
nv_goto(cap);
else
{
cap->count0 = 1;
nv_pipe(cap);
}
ins_at_eol = FALSE; // Don't move cursor past eol (only necessary in a
// one-character line).
}
/*
* "|" command.
*/
static void
nv_pipe(cmdarg_T *cap)
{
cap->oap->motion_type = MCHAR;
cap->oap->inclusive = FALSE;
beginline(0);
if (cap->count0 > 0)
{
coladvance((colnr_T)(cap->count0 - 1));
curwin->w_curswant = (colnr_T)(cap->count0 - 1);
}
else
curwin->w_curswant = 0;
// keep curswant at the column where we wanted to go, not where
// we ended; differs if line is too short
curwin->w_set_curswant = FALSE;
}
/*
* Handle back-word command "b" and "B".
* cap->arg is 1 for "B"
*/
static void
nv_bck_word(cmdarg_T *cap)
{
cap->oap->motion_type = MCHAR;
cap->oap->inclusive = FALSE;
curwin->w_set_curswant = TRUE;
if (bck_word(cap->count1, cap->arg, FALSE) == FAIL)
clearopbeep(cap->oap);
#ifdef FEAT_FOLDING
else if ((fdo_flags & FDO_HOR) && KeyTyped && cap->oap->op_type == OP_NOP)
foldOpenCursor();
#endif
}
/*
* Handle word motion commands "e", "E", "w" and "W".
* cap->arg is TRUE for "E" and "W".
*/
static void
nv_wordcmd(cmdarg_T *cap)
{
int n;
int word_end;
int flag = FALSE;
pos_T startpos = curwin->w_cursor;
// Set inclusive for the "E" and "e" command.
if (cap->cmdchar == 'e' || cap->cmdchar == 'E')
word_end = TRUE;
else
word_end = FALSE;
cap->oap->inclusive = word_end;
// "cw" and "cW" are a special case.
if (!word_end && cap->oap->op_type == OP_CHANGE)
{
n = gchar_cursor();
if (n != NUL) // not an empty line
{
if (VIM_ISWHITE(n))
{
// Reproduce a funny Vi behaviour: "cw" on a blank only
// changes one character, not all blanks until the start of
// the next word. Only do this when the 'w' flag is included
// in 'cpoptions'.
if (cap->count1 == 1 && vim_strchr(p_cpo, CPO_CW) != NULL)
{
cap->oap->inclusive = TRUE;
cap->oap->motion_type = MCHAR;
return;
}
}
else
{
// This is a little strange. To match what the real Vi does,
// we effectively map 'cw' to 'ce', and 'cW' to 'cE', provided
// that we are not on a space or a TAB. This seems impolite
// at first, but it's really more what we mean when we say
// 'cw'.
// Another strangeness: When standing on the end of a word
// "ce" will change until the end of the next word, but "cw"
// will change only one character! This is done by setting
// flag.
// This can be configured using :set cpo-z
if (vim_strchr(p_cpo, CPO_WORD) != NULL)
{
cap->oap->inclusive = TRUE;
word_end = TRUE;
}
flag = TRUE;
}
}
}
cap->oap->motion_type = MCHAR;
curwin->w_set_curswant = TRUE;
if (word_end)
n = end_word(cap->count1, cap->arg, flag, FALSE);
else
n = fwd_word(cap->count1, cap->arg, cap->oap->op_type != OP_NOP);
// Don't leave the cursor on the NUL past the end of line. Unless we
// didn't move it forward.
if (LT_POS(startpos, curwin->w_cursor))
adjust_cursor(cap->oap);
if (n == FAIL && cap->oap->op_type == OP_NOP)
clearopbeep(cap->oap);
else
{
adjust_for_sel(cap);
#ifdef FEAT_FOLDING
if ((fdo_flags & FDO_HOR) && KeyTyped && cap->oap->op_type == OP_NOP)
foldOpenCursor();
#endif
}
}
/*
* Used after a movement command: If the cursor ends up on the NUL after the
* end of the line, may move it back to the last character and make the motion
* inclusive.
*/
static void
adjust_cursor(oparg_T *oap)
{
// The cursor cannot remain on the NUL when:
// - the column is > 0
// - not in Visual mode or 'selection' is "o"
// - 'virtualedit' is not "all" and not "onemore".
if (curwin->w_cursor.col > 0 && gchar_cursor() == NUL
&& (!VIsual_active || *p_sel == 'o')
&& !virtual_active() && (get_ve_flags() & VE_ONEMORE) == 0)
{
--curwin->w_cursor.col;
// prevent cursor from moving on the trail byte
if (has_mbyte)
mb_adjust_cursor();
oap->inclusive = TRUE;
}
}
/*
* "0" and "^" commands.
* cap->arg is the argument for beginline().
*/
static void
nv_beginline(cmdarg_T *cap)
{
cap->oap->motion_type = MCHAR;
cap->oap->inclusive = FALSE;
beginline(cap->arg);
#ifdef FEAT_FOLDING
if ((fdo_flags & FDO_HOR) && KeyTyped && cap->oap->op_type == OP_NOP)
foldOpenCursor();
#endif
ins_at_eol = FALSE; // Don't move cursor past eol (only necessary in a
// one-character line).
}
/*
* In exclusive Visual mode, may include the last character.
*/
static void
adjust_for_sel(cmdarg_T *cap)
{
if (VIsual_active && cap->oap->inclusive && *p_sel == 'e'
&& gchar_cursor() != NUL && LT_POS(VIsual, curwin->w_cursor))
{
if (has_mbyte)
inc_cursor();
else
++curwin->w_cursor.col;
cap->oap->inclusive = FALSE;
VIsual_select_exclu_adj = TRUE;
}
}
/*
* Exclude last character at end of Visual area for 'selection' == "exclusive".
* Should check VIsual_mode before calling this.
* Returns TRUE when backed up to the previous line.
*/
int
unadjust_for_sel(void)
{
if (*p_sel == 'e' && !EQUAL_POS(VIsual, curwin->w_cursor))
return unadjust_for_sel_inner(LT_POS(VIsual, curwin->w_cursor)
? &curwin->w_cursor : &VIsual);
return FALSE;
}
/*
* Move position "*pp" back one character for 'selection' == "exclusive".
* Returns TRUE when backed up to the previous line.
*/
int
unadjust_for_sel_inner(pos_T *pp)
{
colnr_T cs, ce;
VIsual_select_exclu_adj = FALSE;
if (pp->coladd > 0)
--pp->coladd;
else if (pp->col > 0)
{
--pp->col;
mb_adjustpos(curbuf, pp);
if (virtual_active())
{
getvcol(curwin, pp, &cs, NULL, &ce);
pp->coladd = ce - cs;
}
}
else if (pp->lnum > 1)
{
--pp->lnum;
pp->col = ml_get_len(pp->lnum);
return TRUE;
}
return FALSE;
}
/*
* SELECT key in Normal or Visual mode: end of Select mode mapping.
*/
static void
nv_select(cmdarg_T *cap)
{
if (VIsual_active)
{
VIsual_select = TRUE;
VIsual_select_reg = 0;
}
else if (VIsual_reselect)
{
cap->nchar = 'v'; // fake "gv" command
cap->arg = TRUE;
nv_g_cmd(cap);
}
}
/*
* "G", "gg", CTRL-END, CTRL-HOME.
* cap->arg is TRUE for "G".
*/
static void
nv_goto(cmdarg_T *cap)
{
linenr_T lnum;
if (cap->arg)
lnum = curbuf->b_ml.ml_line_count;
else
lnum = 1L;
cap->oap->motion_type = MLINE;
setpcmark();
// When a count is given, use it instead of the default lnum
if (cap->count0 != 0)
lnum = cap->count0;
if (lnum < 1L)
lnum = 1L;
else if (lnum > curbuf->b_ml.ml_line_count)
lnum = curbuf->b_ml.ml_line_count;
curwin->w_cursor.lnum = lnum;
beginline(BL_SOL | BL_FIX);
#ifdef FEAT_FOLDING
if ((fdo_flags & FDO_JUMP) && KeyTyped && cap->oap->op_type == OP_NOP)
foldOpenCursor();
#endif
}
/*
* CTRL-\ in Normal mode.
*/
static void
nv_normal(cmdarg_T *cap)
{
if (cap->nchar == Ctrl_N || cap->nchar == Ctrl_G)
{
clearop(cap->oap);
if (restart_edit != 0 && mode_displayed)
clear_cmdline = TRUE; // unshow mode later
restart_edit = 0;
if (cmdwin_type != 0)
cmdwin_result = Ctrl_C;
if (VIsual_active)
{
end_visual_mode(); // stop Visual
redraw_curbuf_later(UPD_INVERTED);
}
// CTRL-\ CTRL-G restarts Insert mode when 'insertmode' is set.
if (cap->nchar == Ctrl_G && p_im)
restart_edit = 'a';
}
else
clearopbeep(cap->oap);
}
/*
* ESC in Normal mode: beep, but don't flush buffers.
* Don't even beep if we are canceling a command.
*/
static void
nv_esc(cmdarg_T *cap)
{
int no_reason;
no_reason = (cap->oap->op_type == OP_NOP
&& cap->opcount == 0
&& cap->count0 == 0
&& cap->oap->regname == 0
&& !p_im);
if (cap->arg) // TRUE for CTRL-C
{
if (restart_edit == 0 && cmdwin_type == 0
&& !VIsual_active && no_reason)
{
int out_redir = !stdout_isatty && !is_not_a_term_or_gui();
// The user may accidentally do "vim file | grep word" and then
// CTRL-C doesn't show anything. With a changed buffer give the
// message on stderr. Without any changes might as well exit.
if (anyBufIsChanged())
{
char *ms = _("Type :qa! and press <Enter> to abandon all changes and exit Vim");
if (out_redir)
mch_errmsg(ms);
else
msg(ms);
}
else
{
if (out_redir)
{
got_int = FALSE;
do_cmdline_cmd((char_u *)"qa");
}
else
msg(_("Type :qa and press <Enter> to exit Vim"));
}
}
if (restart_edit != 0)
redraw_mode = TRUE; // remove "-- (insert) --"
// Don't reset "restart_edit" when 'insertmode' is set, it won't be
// set again below when halfway a mapping.
if (!p_im)
restart_edit = 0;
if (cmdwin_type != 0)
{
cmdwin_result = K_IGNORE;
got_int = FALSE; // don't stop executing autocommands et al.
return;
}
}
else if (cmdwin_type != 0 && ex_normal_busy && typebuf_was_empty)
{
// When :normal runs out of characters while in the command line window
// vgetorpeek() will repeatedly return ESC. Exit the cmdline window to
// break the loop.
cmdwin_result = K_IGNORE;
return;
}
if (VIsual_active)
{
end_visual_mode(); // stop Visual
check_cursor_col(); // make sure cursor is not beyond EOL
curwin->w_set_curswant = TRUE;
redraw_curbuf_later(UPD_INVERTED);
}
else if (no_reason)
{
#ifdef HAS_MESSAGE_WINDOW
if (!cap->arg && popup_message_win_visible())
popup_hide_message_win();
else
#endif
vim_beep(BO_ESC);
}
clearop(cap->oap);
// A CTRL-C is often used at the start of a menu. When 'insertmode' is
// set return to Insert mode afterwards.
if (restart_edit == 0 && goto_im() && ex_normal_busy == 0)
restart_edit = 'a';
}
/*
* Move the cursor for the "A" command.
*/
void
set_cursor_for_append_to_line(void)
{
curwin->w_set_curswant = TRUE;
if (get_ve_flags() == VE_ALL)
{
int save_State = State;
// Pretend Insert mode here to allow the cursor on the
// character past the end of the line
State = MODE_INSERT;
coladvance((colnr_T)MAXCOL);
State = save_State;
}
else
curwin->w_cursor.col += (colnr_T)STRLEN(ml_get_cursor());
}
/*
* Handle "A", "a", "I", "i" and <Insert> commands.
* Also handle K_PS, start bracketed paste.
*/
static void
nv_edit(cmdarg_T *cap)
{
// <Insert> is equal to "i"
if (cap->cmdchar == K_INS || cap->cmdchar == K_KINS)
cap->cmdchar = 'i';
// in Visual mode "A" and "I" are an operator
if (VIsual_active && (cap->cmdchar == 'A' || cap->cmdchar == 'I'))
{
#ifdef FEAT_TERMINAL
if (term_in_normal_mode())
{
end_visual_mode();
clearop(cap->oap);
term_enter_job_mode();
return;
}
#endif
v_visop(cap);
}
// in Visual mode and after an operator "a" and "i" are for text objects
else if ((cap->cmdchar == 'a' || cap->cmdchar == 'i')
&& (cap->oap->op_type != OP_NOP || VIsual_active))
{
nv_object(cap);
}
#ifdef FEAT_TERMINAL
else if (term_in_normal_mode())
{
clearop(cap->oap);
term_enter_job_mode();
return;
}
#endif
else if (!curbuf->b_p_ma && !p_im)
{
// Only give this error when 'insertmode' is off.
emsg(_(e_cannot_make_changes_modifiable_is_off));
clearop(cap->oap);
if (cap->cmdchar == K_PS)
// drop the pasted text
bracketed_paste(PASTE_INSERT, TRUE, NULL);
}
else if (cap->cmdchar == K_PS && VIsual_active)
{
pos_T old_pos = curwin->w_cursor;
pos_T old_visual = VIsual;
int old_visual_mode = VIsual_mode;
// In Visual mode the selected text is deleted.
if (VIsual_mode == 'V' || curwin->w_cursor.lnum != VIsual.lnum)
{
shift_delete_registers();
cap->oap->regname = '1';
}
else
cap->oap->regname = '-';
cap->cmdchar = 'd';
cap->nchar = NUL;
nv_operator(cap);
do_pending_operator(cap, 0, FALSE);
cap->cmdchar = K_PS;
if (*ml_get_cursor() != NUL)
{
if (old_visual_mode == 'V')
{
// In linewise Visual mode insert before the beginning of the
// next line.
// When the last line in the buffer was deleted then create a
// new line, otherwise there is not need to move cursor.
// Detect this by checking if cursor moved above Visual area.
if (curwin->w_cursor.lnum < old_pos.lnum
&& curwin->w_cursor.lnum < old_visual.lnum)
{
if (u_save_cursor() == OK)
{
ml_append(curwin->w_cursor.lnum, (char_u *)"", 0,
FALSE);
appended_lines(curwin->w_cursor.lnum++, 1L);
}
}
}
// When the last char in the line was deleted then append.
// Detect this by checking if cursor moved before Visual area.
else if (curwin->w_cursor.col < old_pos.col
&& curwin->w_cursor.col < old_visual.col)
inc_cursor();
}
// Insert to replace the deleted text with the pasted text.
invoke_edit(cap, FALSE, cap->cmdchar, FALSE);
}
else if (!checkclearopq(cap->oap))
{
switch (cap->cmdchar)
{
case 'A': // "A"ppend after the line
set_cursor_for_append_to_line();
break;
case 'I': // "I"nsert before the first non-blank
if (vim_strchr(p_cpo, CPO_INSEND) == NULL)
beginline(BL_WHITE);
else
beginline(BL_WHITE|BL_FIX);
break;
case K_PS:
// Bracketed paste works like "a"ppend, unless the cursor is in
// the first column, then it inserts.
if (curwin->w_cursor.col == 0)
break;
// FALLTHROUGH
case 'a': // "a"ppend is like "i"nsert on the next character.
// increment coladd when in virtual space, increment the
// column otherwise, also to append after an unprintable char
if (virtual_active()
&& (curwin->w_cursor.coladd > 0
|| *ml_get_cursor() == NUL
|| *ml_get_cursor() == TAB))
curwin->w_cursor.coladd++;
else if (*ml_get_cursor() != NUL)
inc_cursor();
break;
}
if (curwin->w_cursor.coladd && cap->cmdchar != 'A')
{
int save_State = State;
// Pretend Insert mode here to allow the cursor on the
// character past the end of the line
State = MODE_INSERT;
coladvance(getviscol());
State = save_State;
}
invoke_edit(cap, FALSE, cap->cmdchar, FALSE);
}
else if (cap->cmdchar == K_PS)
// drop the pasted text
bracketed_paste(PASTE_INSERT, TRUE, NULL);
}
/*
* Invoke edit() and take care of "restart_edit" and the return value.
*/
static void
invoke_edit(
cmdarg_T *cap,
int repl, // "r" or "gr" command
int cmd,
int startln)
{
int restart_edit_save = 0;
// Complicated: When the user types "a<C-O>a" we don't want to do Insert
// mode recursively. But when doing "a<C-O>." or "a<C-O>rx" we do allow
// it.
if (repl || !stuff_empty())
restart_edit_save = restart_edit;
else
restart_edit_save = 0;
// Always reset "restart_edit", this is not a restarted edit.
restart_edit = 0;
// Reset Changedtick_i, so that TextChangedI will only be triggered for stuff
// from insert mode, for 'o/O' this has already been done in n_opencmd
if (cap->cmdchar != 'O' && cap->cmdchar != 'o')
curbuf->b_last_changedtick_i = CHANGEDTICK(curbuf);
if (edit(cmd, startln, cap->count1))
cap->retval |= CA_COMMAND_BUSY;
if (restart_edit == 0)
restart_edit = restart_edit_save;
}
/*
* "a" or "i" while an operator is pending or in Visual mode: object motion.
*/
static void
nv_object(
cmdarg_T *cap)
{
int flag;
int include;
char_u *mps_save;
if (cap->cmdchar == 'i')
include = FALSE; // "ix" = inner object: exclude white space
else
include = TRUE; // "ax" = an object: include white space
// Make sure (), [], {} and <> are in 'matchpairs'
mps_save = curbuf->b_p_mps;
curbuf->b_p_mps = (char_u *)"(:),{:},[:],<:>";
switch (cap->nchar)
{
case 'w': // "aw" = a word
flag = current_word(cap->oap, cap->count1, include, FALSE);
break;
case 'W': // "aW" = a WORD
flag = current_word(cap->oap, cap->count1, include, TRUE);
break;
case 'b': // "ab" = a braces block
case '(':
case ')':
flag = current_block(cap->oap, cap->count1, include, '(', ')');
break;
case 'B': // "aB" = a Brackets block
case '{':
case '}':
flag = current_block(cap->oap, cap->count1, include, '{', '}');
break;
case '[': // "a[" = a [] block
case ']':
flag = current_block(cap->oap, cap->count1, include, '[', ']');
break;
case '<': // "a<" = a <> block
case '>':
flag = current_block(cap->oap, cap->count1, include, '<', '>');
break;
#ifdef FEAT_EVAL
case 't': // "at" = a tag block (xml and html)
// Do not adjust oap->end in do_pending_operator()
// otherwise there are different results for 'dit'
// (note leading whitespace in last line):
// 1) <b> 2) <b>
// foobar foobar
// </b> </b>
cap->retval |= CA_NO_ADJ_OP_END;
flag = current_tagblock(cap->oap, cap->count1, include);
break;
#endif
case 'p': // "ap" = a paragraph
flag = current_par(cap->oap, cap->count1, include, 'p');
break;
case 's': // "as" = a sentence
flag = current_sent(cap->oap, cap->count1, include);
break;
case '"': // "a"" = a double quoted string
case '\'': // "a'" = a single quoted string
case '`': // "a`" = a backtick quoted string
flag = current_quote(cap->oap, cap->count1, include,
cap->nchar);
break;
#if 0 // TODO
case 'S': // "aS" = a section
case 'f': // "af" = a filename
case 'u': // "au" = a URL
#endif
default:
flag = FAIL;
break;
}
curbuf->b_p_mps = mps_save;
if (flag == FAIL)
clearopbeep(cap->oap);
adjust_cursor_col();
curwin->w_set_curswant = TRUE;
}
/*
* "q" command: Start/stop recording.
* "q:", "q/", "q?": edit command-line in command-line window.
*/
static void
nv_record(cmdarg_T *cap)
{
if (cap->oap->op_type == OP_FORMAT)
{
// "gqq" is the same as "gqgq": format line
cap->cmdchar = 'g';
cap->nchar = 'q';
nv_operator(cap);
return;
}
if (checkclearop(cap->oap))
return;
if (cap->nchar == ':' || cap->nchar == '/' || cap->nchar == '?')
{
if (cmdwin_type != 0)
{
emsg(_(e_cmdline_window_already_open));
return;
}
stuffcharReadbuff(cap->nchar);
stuffcharReadbuff(K_CMDWIN);
}
else
// (stop) recording into a named register, unless executing a
// register
if (reg_executing == 0 && do_record(cap->nchar) == FAIL)
clearopbeep(cap->oap);
}
/*
* Handle the "@r" command.
*/
static void
nv_at(cmdarg_T *cap)
{
if (checkclearop(cap->oap))
return;
#ifdef FEAT_EVAL
if (cap->nchar == '=')
{
if (get_expr_register() == NUL)
return;
}
#endif
while (cap->count1-- && !got_int)
{
if (do_execreg(cap->nchar, FALSE, FALSE, FALSE) == FAIL)
{
clearopbeep(cap->oap);
break;
}
line_breakcheck();
}
}
/*
* Handle the CTRL-U and CTRL-D commands.
*/
static void
nv_halfpage(cmdarg_T *cap)
{
int dir = cap->cmdchar == Ctrl_D ? FORWARD : BACKWARD;
if (!checkclearop(cap->oap))
pagescroll(dir, cap->count0, TRUE);
}
/*
* Handle "J" or "gJ" command.
*/
static void
nv_join(cmdarg_T *cap)
{
if (VIsual_active) // join the visual lines
{
nv_operator(cap);
return;
}
if (checkclearop(cap->oap))
return;
if (cap->count0 <= 1)
cap->count0 = 2; // default for join is two lines!
if (curwin->w_cursor.lnum + cap->count0 - 1 >
curbuf->b_ml.ml_line_count)
{
// can't join when on the last line
if (cap->count0 <= 2)
{
clearopbeep(cap->oap);
return;
}
cap->count0 = curbuf->b_ml.ml_line_count
- curwin->w_cursor.lnum + 1;
}
prep_redo(cap->oap->regname, cap->count0,
NUL, cap->cmdchar, NUL, NUL, cap->nchar);
(void)do_join(cap->count0, cap->nchar == NUL, TRUE, TRUE, TRUE);
}
/*
* "P", "gP", "p" and "gp" commands.
*/
static void
nv_put(cmdarg_T *cap)
{
nv_put_opt(cap, FALSE);
}
/*
* "P", "gP", "p" and "gp" commands.
* "fix_indent" is TRUE for "[p", "[P", "]p" and "]P".
*/
static void
nv_put_opt(cmdarg_T *cap, int fix_indent)
{
int regname = 0;
void *reg1 = NULL, *reg2 = NULL;
int empty = FALSE;
int was_visual = FALSE;
int dir;
int flags = 0;
int keep_registers = FALSE;
#ifdef FEAT_FOLDING
int save_fen = curwin->w_p_fen;
#endif
if (cap->oap->op_type != OP_NOP)
{
#ifdef FEAT_DIFF
// "dp" is ":diffput"
if (cap->oap->op_type == OP_DELETE && cap->cmdchar == 'p')
{
clearop(cap->oap);
nv_diffgetput(TRUE, cap->opcount);
}
else
#endif
clearopbeep(cap->oap);
return;
}
#ifdef FEAT_JOB_CHANNEL
if (bt_prompt(curbuf) && !prompt_curpos_editable())
{
clearopbeep(cap->oap);
return;
}
#endif
if (fix_indent)
{
dir = (cap->cmdchar == ']' && cap->nchar == 'p')
? FORWARD : BACKWARD;
flags |= PUT_FIXINDENT;
}
else
dir = (cap->cmdchar == 'P'
|| ((cap->cmdchar == 'g' || cap->cmdchar == 'z')
&& cap->nchar == 'P')) ? BACKWARD : FORWARD;
prep_redo_cmd(cap);
if (cap->cmdchar == 'g')
flags |= PUT_CURSEND;
else if (cap->cmdchar == 'z')
flags |= PUT_BLOCK_INNER;
if (VIsual_active)
{
// Putting in Visual mode: The put text replaces the selected
// text. First delete the selected text, then put the new text.
// Need to save and restore the registers that the delete
// overwrites if the old contents is being put.
was_visual = TRUE;
regname = cap->oap->regname;
keep_registers = cap->cmdchar == 'P';
#ifdef FEAT_CLIPBOARD
adjust_clip_reg(&regname);
#endif
if (regname == 0 || regname == '"'
|| VIM_ISDIGIT(regname) || regname == '-'
#ifdef FEAT_CLIPBOARD
|| (clip_unnamed && (regname == '*' || regname == '+'))
#endif
)
{
// The delete is going to overwrite the register we want to
// put, save it first.
reg1 = get_register(regname, TRUE);
}
#ifdef FEAT_FOLDING
// Temporarily disable folding, as deleting a fold marker may cause
// the cursor to be included in a fold.
curwin->w_p_fen = FALSE;
#endif
// Now delete the selected text. Avoid messages here.
cap->cmdchar = 'd';
cap->nchar = NUL;
cap->oap->regname = keep_registers ? '_' : NUL;
++msg_silent;
nv_operator(cap);
do_pending_operator(cap, 0, FALSE);
empty = (curbuf->b_ml.ml_flags & ML_EMPTY);
--msg_silent;
// delete PUT_LINE_BACKWARD;
cap->oap->regname = regname;
if (reg1 != NULL)
{
// Delete probably changed the register we want to put, save
// it first. Then put back what was there before the delete.
reg2 = get_register(regname, FALSE);
put_register(regname, reg1);
}
// When deleted a linewise Visual area, put the register as
// lines to avoid it joined with the next line. When deletion was
// characterwise, split a line when putting lines.
if (VIsual_mode == 'V')
flags |= PUT_LINE;
else if (VIsual_mode == 'v')
flags |= PUT_LINE_SPLIT;
if (VIsual_mode == Ctrl_V && dir == FORWARD)
flags |= PUT_LINE_FORWARD;
dir = BACKWARD;
if ((VIsual_mode != 'V'
&& curwin->w_cursor.col < curbuf->b_op_start.col)
|| (VIsual_mode == 'V'
&& curwin->w_cursor.lnum < curbuf->b_op_start.lnum))
// cursor is at the end of the line or end of file, put
// forward.
dir = FORWARD;
// May have been reset in do_put().
VIsual_active = TRUE;
}
do_put(cap->oap->regname, NULL, dir, cap->count1, flags);
// If a register was saved, put it back now.
if (reg2 != NULL)
put_register(regname, reg2);
if (was_visual)
{
#ifdef FEAT_FOLDING
if (save_fen)
curwin->w_p_fen = TRUE;
#endif
// What to reselect with "gv"? Selecting the just put text seems to
// be the most useful, since the original text was removed.
curbuf->b_visual.vi_start = curbuf->b_op_start;
curbuf->b_visual.vi_end = curbuf->b_op_end;
// need to adjust cursor position
if (*p_sel == 'e')
inc(&curbuf->b_visual.vi_end);
}
// When all lines were selected and deleted do_put() leaves an empty
// line that needs to be deleted now.
if (empty && *ml_get(curbuf->b_ml.ml_line_count) == NUL)
{
ml_delete_flags(curbuf->b_ml.ml_line_count, ML_DEL_MESSAGE);
deleted_lines(curbuf->b_ml.ml_line_count + 1, 1);
// If the cursor was in that line, move it to the end of the last
// line.
if (curwin->w_cursor.lnum > curbuf->b_ml.ml_line_count)
{
curwin->w_cursor.lnum = curbuf->b_ml.ml_line_count;
coladvance((colnr_T)MAXCOL);
}
}
auto_format(FALSE, TRUE);
}
/*
* "o" and "O" commands.
*/
static void
nv_open(cmdarg_T *cap)
{
#ifdef FEAT_DIFF
// "do" is ":diffget"
if (cap->oap->op_type == OP_DELETE && cap->cmdchar == 'o')
{
clearop(cap->oap);
nv_diffgetput(FALSE, cap->opcount);
}
else
#endif
if (VIsual_active) // switch start and end of visual
v_swap_corners(cap->cmdchar);
#ifdef FEAT_JOB_CHANNEL
else if (bt_prompt(curbuf))
clearopbeep(cap->oap);
#endif
else
n_opencmd(cap);
}
#ifdef FEAT_NETBEANS_INTG
static void
nv_nbcmd(cmdarg_T *cap)
{
netbeans_keycommand(cap->nchar);
}
#endif
#ifdef FEAT_DND
static void
nv_drop(cmdarg_T *cap UNUSED)
{
do_put('~', NULL, BACKWARD, 1L, PUT_CURSEND);
}
#endif
/*
* Trigger CursorHold event.
* When waiting for a character for 'updatetime' K_CURSORHOLD is put in the
* input buffer. "did_cursorhold" is set to avoid retriggering.
*/
static void
nv_cursorhold(cmdarg_T *cap)
{
apply_autocmds(EVENT_CURSORHOLD, NULL, NULL, FALSE, curbuf);
did_cursorhold = TRUE;
cap->retval |= CA_COMMAND_BUSY; // don't call edit() now
}
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