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neovim/src/nvim/normal.c

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/*
* VIM - Vi IMproved by Bram Moolenaar
*
* Do ":help uganda" in Vim to read copying and usage conditions.
* Do ":help credits" in Vim to see a list of people who contributed.
* See README.txt for an overview of the Vim source code.
*/
/*
* 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 <errno.h>
#include <inttypes.h>
#include <string.h>
#include <stdbool.h>
#include <stdlib.h>
#include "nvim/vim.h"
#include "nvim/ascii.h"
#include "nvim/normal.h"
#include "nvim/buffer.h"
#include "nvim/charset.h"
#include "nvim/cursor.h"
#include "nvim/diff.h"
#include "nvim/digraph.h"
#include "nvim/edit.h"
#include "nvim/eval.h"
#include "nvim/ex_cmds.h"
#include "nvim/ex_cmds2.h"
#include "nvim/ex_docmd.h"
#include "nvim/ex_getln.h"
#include "nvim/farsi.h"
#include "nvim/fileio.h"
#include "nvim/fold.h"
#include "nvim/getchar.h"
#include "nvim/indent.h"
#include "nvim/indent_c.h"
#include "nvim/main.h"
#include "nvim/mark.h"
#include "nvim/memline.h"
#include "nvim/memory.h"
#include "nvim/message.h"
#include "nvim/misc1.h"
#include "nvim/misc2.h"
#include "nvim/keymap.h"
#include "nvim/move.h"
#include "nvim/ops.h"
#include "nvim/option.h"
#include "nvim/quickfix.h"
#include "nvim/screen.h"
#include "nvim/search.h"
#include "nvim/spell.h"
#include "nvim/strings.h"
#include "nvim/syntax.h"
#include "nvim/tag.h"
#include "nvim/term.h"
#include "nvim/ui.h"
#include "nvim/undo.h"
#include "nvim/window.h"
#include "nvim/os/event.h"
/*
* The Visual area is remembered for reselection.
*/
static int resel_VIsual_mode = NUL; /* 'v', 'V', or Ctrl-V */
static linenr_T resel_VIsual_line_count; /* number of lines */
static colnr_T resel_VIsual_vcol; /* nr of cols or end col */
static int VIsual_mode_orig = NUL; /* saved Visual mode */
static int restart_VIsual_select = 0;
#ifdef INCLUDE_GENERATED_DECLARATIONS
# include "normal.c.generated.h"
#endif
/*
* 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 char *e_noident = N_("E349: No identifier under cursor");
/*
* Function to be called for a Normal or Visual mode command.
* The argument is a cmdarg_T.
*/
typedef void (*nv_func_T)(cmdarg_T *cap);
/* Values for cmd_flags. */
#define NV_NCH 0x01 /* may need to get a second char */
#define NV_NCH_NOP (0x02|NV_NCH) /* get second char when no operator pending */
#define NV_NCH_ALW (0x04|NV_NCH) /* always get a second char */
#define NV_LANG 0x08 /* second char needs language adjustment */
#define NV_SS 0x10 /* may start selection */
#define NV_SSS 0x20 /* may start selection with shift modifier */
#define NV_STS 0x40 /* may stop selection without shift modif. */
#define NV_RL 0x80 /* 'rightleft' modifies command */
#define NV_KEEPREG 0x100 /* don't clear regname */
#define NV_NCW 0x200 /* not allowed in command-line window */
/*
* Generally speaking, every Normal mode command should either clear any
* pending operator (with *clearop*()), or set the motion type variable
* oap->motion_type.
*
* When a cursor motion command is made, it is marked as being a character or
* line oriented motion. Then, if an operator is in effect, the operation
* becomes character or line oriented accordingly.
*/
/*
* This table contains one entry for every Normal or Visual mode command.
* The order doesn't matter, init_normal_cmds() will create a sorted index.
* It is faster when all keys from zero to '~' are present.
*/
static const struct nv_cmd {
int cmd_char; /* (first) command character */
nv_func_T cmd_func; /* function for this command */
uint16_t cmd_flags; /* NV_ flags */
short cmd_arg; /* value for ca.arg */
} nv_cmds[] =
{
{NUL, nv_error, 0, 0},
{Ctrl_A, nv_addsub, 0, 0},
{Ctrl_B, nv_page, NV_STS, BACKWARD},
{Ctrl_C, nv_esc, 0, TRUE},
{Ctrl_D, nv_halfpage, 0, 0},
{Ctrl_E, nv_scroll_line, 0, TRUE},
{Ctrl_F, nv_page, NV_STS, FORWARD},
{Ctrl_G, nv_ctrlg, 0, 0},
{Ctrl_H, nv_ctrlh, 0, 0},
{Ctrl_I, nv_pcmark, 0, 0},
{NL, nv_down, 0, FALSE},
{Ctrl_K, nv_error, 0, 0},
{Ctrl_L, nv_clear, 0, 0},
{Ctrl_M, nv_down, 0, TRUE},
{Ctrl_N, nv_down, NV_STS, FALSE},
{Ctrl_O, nv_ctrlo, 0, 0},
{Ctrl_P, nv_up, NV_STS, FALSE},
{Ctrl_Q, nv_visual, 0, FALSE},
{Ctrl_R, nv_redo, 0, 0},
{Ctrl_S, nv_ignore, 0, 0},
{Ctrl_T, nv_tagpop, NV_NCW, 0},
{Ctrl_U, nv_halfpage, 0, 0},
{Ctrl_V, nv_visual, 0, FALSE},
{'V', nv_visual, 0, FALSE},
{'v', nv_visual, 0, FALSE},
{Ctrl_W, nv_window, 0, 0},
{Ctrl_X, nv_addsub, 0, 0},
{Ctrl_Y, nv_scroll_line, 0, FALSE},
{Ctrl_Z, nv_suspend, 0, 0},
{ESC, nv_esc, 0, FALSE},
{Ctrl_BSL, nv_normal, NV_NCH_ALW, 0},
{Ctrl_RSB, nv_ident, NV_NCW, 0},
{Ctrl_HAT, nv_hat, NV_NCW, 0},
{Ctrl__, nv_error, 0, 0},
{' ', nv_right, 0, 0},
{'!', nv_operator, 0, 0},
{'"', nv_regname, NV_NCH_NOP|NV_KEEPREG, 0},
{'#', nv_ident, 0, 0},
{'$', nv_dollar, 0, 0},
{'%', nv_percent, 0, 0},
{'&', nv_optrans, 0, 0},
{'\'', nv_gomark, NV_NCH_ALW, TRUE},
{'(', nv_brace, 0, BACKWARD},
{')', nv_brace, 0, FORWARD},
{'*', nv_ident, 0, 0},
{'+', nv_down, 0, TRUE},
{',', nv_csearch, 0, TRUE},
{'-', nv_up, 0, TRUE},
{'.', nv_dot, NV_KEEPREG, 0},
{'/', nv_search, 0, FALSE},
{'0', nv_beginline, 0, 0},
{'1', nv_ignore, 0, 0},
{'2', nv_ignore, 0, 0},
{'3', nv_ignore, 0, 0},
{'4', nv_ignore, 0, 0},
{'5', nv_ignore, 0, 0},
{'6', nv_ignore, 0, 0},
{'7', nv_ignore, 0, 0},
{'8', nv_ignore, 0, 0},
{'9', nv_ignore, 0, 0},
{':', nv_colon, 0, 0},
{';', nv_csearch, 0, FALSE},
{'<', nv_operator, NV_RL, 0},
{'=', nv_operator, 0, 0},
{'>', nv_operator, NV_RL, 0},
{'?', nv_search, 0, FALSE},
{'@', nv_at, NV_NCH_NOP, FALSE},
{'A', nv_edit, 0, 0},
{'B', nv_bck_word, 0, 1},
{'C', nv_abbrev, NV_KEEPREG, 0},
{'D', nv_abbrev, NV_KEEPREG, 0},
{'E', nv_wordcmd, 0, TRUE},
{'F', nv_csearch, NV_NCH_ALW|NV_LANG, BACKWARD},
{'G', nv_goto, 0, TRUE},
{'H', nv_scroll, 0, 0},
{'I', nv_edit, 0, 0},
{'J', nv_join, 0, 0},
{'K', nv_ident, 0, 0},
{'L', nv_scroll, 0, 0},
{'M', nv_scroll, 0, 0},
{'N', nv_next, 0, SEARCH_REV},
{'O', nv_open, 0, 0},
{'P', nv_put, 0, 0},
{'Q', nv_exmode, NV_NCW, 0},
{'R', nv_Replace, 0, FALSE},
{'S', nv_subst, NV_KEEPREG, 0},
{'T', nv_csearch, NV_NCH_ALW|NV_LANG, BACKWARD},
{'U', nv_Undo, 0, 0},
{'W', nv_wordcmd, 0, TRUE},
{'X', nv_abbrev, NV_KEEPREG, 0},
{'Y', nv_abbrev, NV_KEEPREG, 0},
{'Z', nv_Zet, NV_NCH_NOP|NV_NCW, 0},
{'[', nv_brackets, NV_NCH_ALW, BACKWARD},
{'\\', nv_error, 0, 0},
{']', nv_brackets, NV_NCH_ALW, FORWARD},
{'^', nv_beginline, 0, BL_WHITE | BL_FIX},
{'_', nv_lineop, 0, 0},
{'`', nv_gomark, NV_NCH_ALW, FALSE},
{'a', nv_edit, NV_NCH, 0},
{'b', nv_bck_word, 0, 0},
{'c', nv_operator, 0, 0},
{'d', nv_operator, 0, 0},
{'e', nv_wordcmd, 0, FALSE},
{'f', nv_csearch, NV_NCH_ALW|NV_LANG, FORWARD},
{'g', nv_g_cmd, NV_NCH_ALW, FALSE},
{'h', nv_left, NV_RL, 0},
{'i', nv_edit, NV_NCH, 0},
{'j', nv_down, 0, FALSE},
{'k', nv_up, 0, FALSE},
{'l', nv_right, NV_RL, 0},
{'m', nv_mark, NV_NCH_NOP, 0},
{'n', nv_next, 0, 0},
{'o', nv_open, 0, 0},
{'p', nv_put, 0, 0},
{'q', nv_record, NV_NCH, 0},
{'r', nv_replace, NV_NCH_NOP|NV_LANG, 0},
{'s', nv_subst, NV_KEEPREG, 0},
{'t', nv_csearch, NV_NCH_ALW|NV_LANG, FORWARD},
{'u', nv_undo, 0, 0},
{'w', nv_wordcmd, 0, FALSE},
{'x', nv_abbrev, NV_KEEPREG, 0},
{'y', nv_operator, 0, 0},
{'z', nv_zet, NV_NCH_ALW, 0},
{'{', nv_findpar, 0, BACKWARD},
{'|', nv_pipe, 0, 0},
{'}', nv_findpar, 0, FORWARD},
{'~', nv_tilde, 0, 0},
/* pound sign */
{POUND, nv_ident, 0, 0},
{K_MOUSEUP, nv_mousescroll, 0, MSCR_UP},
{K_MOUSEDOWN, nv_mousescroll, 0, MSCR_DOWN},
{K_MOUSELEFT, nv_mousescroll, 0, MSCR_LEFT},
{K_MOUSERIGHT, nv_mousescroll, 0, MSCR_RIGHT},
{K_LEFTMOUSE, nv_mouse, 0, 0},
{K_LEFTMOUSE_NM, nv_mouse, 0, 0},
{K_LEFTDRAG, nv_mouse, 0, 0},
{K_LEFTRELEASE, nv_mouse, 0, 0},
{K_LEFTRELEASE_NM, nv_mouse, 0, 0},
{K_MIDDLEMOUSE, nv_mouse, 0, 0},
{K_MIDDLEDRAG, nv_mouse, 0, 0},
{K_MIDDLERELEASE, nv_mouse, 0, 0},
{K_RIGHTMOUSE, nv_mouse, 0, 0},
{K_RIGHTDRAG, nv_mouse, 0, 0},
{K_RIGHTRELEASE, nv_mouse, 0, 0},
{K_X1MOUSE, nv_mouse, 0, 0},
{K_X1DRAG, nv_mouse, 0, 0},
{K_X1RELEASE, nv_mouse, 0, 0},
{K_X2MOUSE, nv_mouse, 0, 0},
{K_X2DRAG, nv_mouse, 0, 0},
{K_X2RELEASE, nv_mouse, 0, 0},
{K_IGNORE, nv_ignore, NV_KEEPREG, 0},
{K_NOP, nv_nop, 0, 0},
{K_INS, nv_edit, 0, 0},
{K_KINS, nv_edit, 0, 0},
{K_BS, nv_ctrlh, 0, 0},
{K_UP, nv_up, NV_SSS|NV_STS, FALSE},
{K_S_UP, nv_page, NV_SS, BACKWARD},
{K_DOWN, nv_down, NV_SSS|NV_STS, FALSE},
{K_S_DOWN, nv_page, NV_SS, FORWARD},
{K_LEFT, nv_left, NV_SSS|NV_STS|NV_RL, 0},
{K_S_LEFT, nv_bck_word, NV_SS|NV_RL, 0},
{K_C_LEFT, nv_bck_word, NV_SSS|NV_RL|NV_STS, 1},
{K_RIGHT, nv_right, NV_SSS|NV_STS|NV_RL, 0},
{K_S_RIGHT, nv_wordcmd, NV_SS|NV_RL, FALSE},
{K_C_RIGHT, nv_wordcmd, NV_SSS|NV_RL|NV_STS, TRUE},
{K_PAGEUP, nv_page, NV_SSS|NV_STS, BACKWARD},
{K_KPAGEUP, nv_page, NV_SSS|NV_STS, BACKWARD},
{K_PAGEDOWN, nv_page, NV_SSS|NV_STS, FORWARD},
{K_KPAGEDOWN, nv_page, NV_SSS|NV_STS, FORWARD},
{K_END, nv_end, NV_SSS|NV_STS, FALSE},
{K_KEND, nv_end, NV_SSS|NV_STS, FALSE},
{K_S_END, nv_end, NV_SS, FALSE},
{K_C_END, nv_end, NV_SSS|NV_STS, TRUE},
{K_HOME, nv_home, NV_SSS|NV_STS, 0},
{K_KHOME, nv_home, NV_SSS|NV_STS, 0},
{K_S_HOME, nv_home, NV_SS, 0},
{K_C_HOME, nv_goto, NV_SSS|NV_STS, FALSE},
{K_DEL, nv_abbrev, 0, 0},
{K_KDEL, nv_abbrev, 0, 0},
{K_UNDO, nv_kundo, 0, 0},
{K_HELP, nv_help, NV_NCW, 0},
{K_F1, nv_help, NV_NCW, 0},
{K_XF1, nv_help, NV_NCW, 0},
{K_SELECT, nv_select, 0, 0},
{K_F8, farsi_fkey, 0, 0},
{K_F9, farsi_fkey, 0, 0},
{K_CURSORHOLD, nv_cursorhold, NV_KEEPREG, 0},
{K_EVENT, nv_event, NV_KEEPREG, 0},
};
/* Number of commands in nv_cmds[]. */
#define NV_CMDS_SIZE (sizeof(nv_cmds) / sizeof(struct nv_cmd))
/* Sorted index of commands in nv_cmds[]. */
static short nv_cmd_idx[NV_CMDS_SIZE];
/* The highest index for which
* nv_cmds[idx].cmd_char == nv_cmd_idx[nv_cmds[idx].cmd_char] */
static int nv_max_linear;
/*
* Compare functions for qsort() below, that checks the command character
* through the index in nv_cmd_idx[].
*/
static int nv_compare(const void *s1, const void *s2)
{
int c1, c2;
/* The commands are sorted on absolute value. */
c1 = nv_cmds[*(const short *)s1].cmd_char;
c2 = nv_cmds[*(const short *)s2].cmd_char;
if (c1 < 0)
c1 = -c1;
if (c2 < 0)
c2 = -c2;
return c1 - c2;
}
/*
* Initialize the nv_cmd_idx[] table.
*/
void init_normal_cmds(void)
{
int i;
/* Fill the index table with a one to one relation. */
for (i = 0; i < (int)NV_CMDS_SIZE; ++i)
nv_cmd_idx[i] = i;
/* Sort the commands by the command character. */
qsort((void *)&nv_cmd_idx, (size_t)NV_CMDS_SIZE, sizeof(short), nv_compare);
/* Find the first entry that can't be indexed by the command character. */
for (i = 0; i < (int)NV_CMDS_SIZE; ++i)
if (i != nv_cmds[nv_cmd_idx[i]].cmd_char)
break;
nv_max_linear = i - 1;
}
/*
* 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;
}
/*
* Execute a command in Normal mode.
*/
void
normal_cmd (
oparg_T *oap,
int toplevel /* 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; /* 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;
memset(&ca, 0, sizeof(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).
*/
c = finish_op;
finish_op = (oap->op_type != OP_NOP);
if (finish_op != c) {
ui_cursor_shape(); /* may show different cursor shape */
}
/* When not finishing an operator and no register name typed, reset the
* count. */
if (!finish_op && !oap->regname) {
ca.opcount = 0;
set_prevcount = TRUE;
}
/* 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 = NORMAL_BUSY;
#ifdef USE_ON_FLY_SCROLL
dont_scroll = FALSE; /* allow scrolling here */
#endif
/* 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);
/*
* Get the command character from the user.
*/
c = safe_vgetc();
LANGMAP_ADJUST(c, TRUE);
/*
* 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)) {
/* 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. */
ins_char_typebuf(c);
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 */
}
need_flushbuf = add_to_showcmd(c);
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')
|| (ca.count0 != 0 &&
(c == K_DEL || c == K_KDEL || c == '0'))) {
if (c == K_DEL || c == K_KDEL) {
ca.count0 /= 10;
del_from_showcmd(4); /* delete the digit and ~@% */
} else
ca.count0 = ca.count0 * 10 + (c - '0');
if (ca.count0 < 0) /* got too large! */
ca.count0 = 999999999L;
/* 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(&ca, &set_prevcount);
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 && oap->op_type == OP_NOP) {
ctrl_w = TRUE;
ca.opcount = ca.count0; /* remember first count */
ca.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. */
oap->prev_opcount = ca.opcount;
oap->prev_count0 = ca.count0;
} else if (ca.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 (ca.count0)
ca.count0 *= ca.opcount;
else
ca.count0 = ca.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.
*/
ca.opcount = ca.count0;
ca.count1 = (ca.count0 == 0 ? 1 : ca.count0);
/*
* Only set v:count when called from main() and not a stuffed command.
* Do set it for redo.
*/
if (toplevel && readbuf1_empty())
set_vcount(ca.count0, ca.count1, set_prevcount);
/*
* 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 (text_locked() && (nv_cmds[idx].cmd_flags & NV_NCW)) {
// This command is not allowed while editing a cmdline: beep.
clearopbeep(oap);
text_locked_msg();
goto normal_end;
}
if ((nv_cmds[idx].cmd_flags & NV_NCW) && curbuf_locked())
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(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;
}
}
}
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);
}
/*
* Get an additional character if we need one.
*/
if ((nv_cmds[idx].cmd_flags & NV_NCH)
&& (((nv_cmds[idx].cmd_flags & NV_NCH_NOP) == NV_NCH_NOP
&& oap->op_type == OP_NOP)
|| (nv_cmds[idx].cmd_flags & NV_NCH_ALW) == NV_NCH_ALW
|| (ca.cmdchar == 'q'
&& oap->op_type == OP_NOP
&& !Recording
&& !Exec_reg)
|| ((ca.cmdchar == 'a' || ca.cmdchar == 'i')
&& (oap->op_type != OP_NOP
|| VIsual_active
)))) {
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 USE_IM_CONTROL
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 (ca.cmdchar == 'g') {
/*
* For 'g' get the next character now, so that we can check for
* "gr", "g'" and "g`".
*/
ca.nchar = plain_vgetc();
LANGMAP_ADJUST(ca.nchar, TRUE);
need_flushbuf |= add_to_showcmd(ca.nchar);
if (ca.nchar == 'r' || ca.nchar == '\'' || ca.nchar == '`'
|| ca.nchar == Ctrl_BSL) {
cp = &ca.extra_char; /* need to get a third character */
if (ca.nchar != 'r')
lit = TRUE; /* get it literally */
else
repl = TRUE; /* get it in replace mode */
} else
cp = NULL; /* no third character needed */
} else {
if (ca.cmdchar == 'r') /* get it in replace mode */
repl = TRUE;
cp = &ca.nchar;
}
lang = (repl || (nv_cmds[idx].cmd_flags & NV_LANG));
/*
* Get a second or third character.
*/
if (cp != NULL) {
if (repl) {
State = REPLACE; /* pretend Replace mode */
ui_cursor_shape(); /* show different cursor shape */
}
if (lang && curbuf->b_p_iminsert == B_IMODE_LMAP) {
/* Allow mappings defined with ":lmap". */
--no_mapping;
--allow_keys;
if (repl)
State = LREPLACE;
else
State = LANGMAP;
langmap_active = TRUE;
}
#ifdef USE_IM_CONTROL
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
*cp = plain_vgetc();
if (langmap_active) {
/* Undo the decrement done above */
++no_mapping;
++allow_keys;
State = NORMAL_BUSY;
}
#ifdef USE_IM_CONTROL
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 = NORMAL_BUSY;
need_flushbuf |= add_to_showcmd(*cp);
if (!lit) {
/* Typing CTRL-K gets a digraph. */
if (*cp == Ctrl_K
&& ((nv_cmds[idx].cmd_flags & NV_LANG)
|| cp == &ca.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);
}
}
/* adjust chars > 127, except after "tTfFr" commands */
LANGMAP_ADJUST(*cp, !lang);
/* adjust Hebrew mapped char */
if (p_hkmap && lang && KeyTyped)
*cp = hkmap(*cp);
/* adjust Farsi mapped char */
if (p_fkmap && lang && KeyTyped)
*cp = fkmap(*cp);
}
/*
* When the next character is CTRL-\ a following CTRL-N means the
* command is aborted and we go to Normal mode.
*/
if (cp == &ca.extra_char
&& ca.nchar == Ctrl_BSL
&& (ca.extra_char == Ctrl_N || ca.extra_char == Ctrl_G)) {
ca.cmdchar = Ctrl_BSL;
ca.nchar = ca.extra_char;
idx = find_command(ca.cmdchar);
} else if ((ca.nchar == 'n' || ca.nchar == 'N') && ca.cmdchar == 'g')
ca.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);
towait -= 50L;
}
if (c > 0) {
c = plain_vgetc();
if (c != Ctrl_N && c != Ctrl_G)
vungetc(c);
else {
ca.cmdchar = Ctrl_BSL;
ca.nchar = c;
idx = find_command(ca.cmdchar);
}
}
}
/* 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 (enc_utf8 && lang && (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 (ca.ncharC1 == 0)
ca.ncharC1 = c;
else
ca.ncharC2 = c;
}
no_mapping++;
}
--no_mapping;
--allow_keys;
}
/*
* 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)
did_cursorhold = FALSE;
State = NORMAL;
if (ca.nchar == 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 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);
{
int regname = 0;
/* Adjust the register according to 'clipboard', so that when
* "unnamed" is present it becomes '*' or '+' instead of '"'. */
adjust_clipboard_register(&regname);
set_reg_var(regname);
}
}
/* 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...
*/
do_pending_operator(&ca, old_col, FALSE);
/*
* Wait for a moment when a message is displayed that will be overwritten
* by the mode message.
* 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.
*/
if ( ((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)))
&& oap->regname == 0
&& !(ca.retval & CA_COMMAND_BUSY)
&& stuff_empty()
&& typebuf_typed()
&& emsg_silent == 0
&& !did_wait_return
&& oap->op_type == OP_NOP) {
int save_State = State;
/* Draw the cursor with the right shape here */
if (restart_edit != 0)
State = 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 */
update_screen(0);
/* now reset it, otherwise it's put in the history again */
keep_msg = kmsg;
msg_attr(kmsg, keep_msg_attr);
free(kmsg);
}
setcursor();
cursor_on();
out_flush();
if (msg_scroll || emsg_on_display)
ui_delay(1000L, true); /* wait at least one second */
ui_delay(3000L, false); /* wait up to three seconds */
State = save_State;
msg_scroll = FALSE;
emsg_on_display = FALSE;
}
/*
* Finish up after executing a Normal mode command.
*/
normal_end:
msg_nowait = FALSE;
/* Reset finish_op, in case it was set */
c = finish_op;
finish_op = FALSE;
/* Redraw the cursor with another shape, if we were in Operator-pending
* mode or did a replace command. */
if (c || ca.cmdchar == 'r') {
ui_cursor_shape(); /* may show different cursor shape */
}
if (oap->op_type == OP_NOP && oap->regname == 0
&& ca.cmdchar != K_CURSORHOLD
)
clear_showcmd();
checkpcmark(); /* check if we moved since setting pcmark */
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();
}
/*
* 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;
showmode();
restart_VIsual_select = 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;
}
/*
* 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 */
}
/*
* Handle an operator after visual mode or when the movement is finished
*/
void do_pending_operator(cmdarg_T *cap, int old_col, int gui_yank)
{
oparg_T *oap = cap->oap;
pos_T old_cursor;
int empty_region_error;
int restart_edit_save;
/* The visual area is remembered for redo */
static int redo_VIsual_mode = NUL; /* 'v', 'V', or Ctrl-V */
static linenr_T redo_VIsual_line_count; /* number of lines */
static colnr_T redo_VIsual_vcol; /* number of cols or end column */
static long redo_VIsual_count; /* count for Visual operator */
int include_line_break = FALSE;
old_cursor = curwin->w_cursor;
/*
* If an operation is pending, handle it...
*/
if ((finish_op
|| VIsual_active
) && oap->op_type != OP_NOP) {
oap->is_VIsual = VIsual_active;
if (oap->motion_force == 'V')
oap->motion_type = MLINE;
else if (oap->motion_force == 'v') {
/* If the motion was linewise, "inclusive" will not have been set.
* Use "exclusive" to be consistent. Makes "dvj" work nice. */
if (oap->motion_type == MLINE)
oap->inclusive = FALSE;
/* If the motion already was characterwise, toggle "inclusive" */
else if (oap->motion_type == MCHAR)
oap->inclusive = !oap->inclusive;
oap->motion_type = MCHAR;
} else if (oap->motion_force == Ctrl_V) {
/* Change line- or characterwise motion into Visual block mode. */
VIsual_active = TRUE;
VIsual = oap->start;
VIsual_mode = Ctrl_V;
VIsual_select = FALSE;
VIsual_reselect = FALSE;
}
/* Only redo yank when 'y' flag is in 'cpoptions'. */
/* Never redo "zf" (define fold). */
if ((vim_strchr(p_cpo, CPO_YANK) != NULL || oap->op_type != OP_YANK)
&& ((!VIsual_active || oap->motion_force)
/* Also redo Operator-pending Visual mode mappings */
|| (VIsual_active && cap->cmdchar == ':'
&& oap->op_type != OP_COLON))
&& cap->cmdchar != 'D'
&& oap->op_type != OP_FOLD
&& oap->op_type != OP_FOLDOPEN
&& oap->op_type != OP_FOLDOPENREC
&& oap->op_type != OP_FOLDCLOSE
&& oap->op_type != OP_FOLDCLOSEREC
&& oap->op_type != OP_FOLDDEL
&& oap->op_type != OP_FOLDDELREC
) {
prep_redo(oap->regname, cap->count0,
get_op_char(oap->op_type), get_extra_op_char(oap->op_type),
oap->motion_force, cap->cmdchar, cap->nchar);
if (cap->cmdchar == '/' || cap->cmdchar == '?') { /* was a search */
/*
* If 'cpoptions' does not contain 'r', insert the search
* pattern to really repeat the same command.
*/
if (vim_strchr(p_cpo, CPO_REDO) == NULL)
AppendToRedobuffLit(cap->searchbuf, -1);
AppendToRedobuff(NL_STR);
} else if (cap->cmdchar == ':') {
/* do_cmdline() has stored the first typed line in
* "repeat_cmdline". When several lines are typed repeating
* won't be possible. */
if (repeat_cmdline == NULL)
ResetRedobuff();
else {
AppendToRedobuffLit(repeat_cmdline, -1);
AppendToRedobuff(NL_STR);
free(repeat_cmdline);
repeat_cmdline = NULL;
}
}
}
if (redo_VIsual_busy) {
/* Redo of an operation on a Visual area. Use the same size from
* redo_VIsual_line_count and redo_VIsual_vcol. */
oap->start = curwin->w_cursor;
curwin->w_cursor.lnum += redo_VIsual_line_count - 1;
if (curwin->w_cursor.lnum > curbuf->b_ml.ml_line_count)
curwin->w_cursor.lnum = curbuf->b_ml.ml_line_count;
VIsual_mode = redo_VIsual_mode;
if (redo_VIsual_vcol == MAXCOL || VIsual_mode == 'v') {
if (VIsual_mode == 'v') {
if (redo_VIsual_line_count <= 1) {
validate_virtcol();
curwin->w_curswant =
curwin->w_virtcol + redo_VIsual_vcol - 1;
} else
curwin->w_curswant = redo_VIsual_vcol;
} else {
curwin->w_curswant = MAXCOL;
}
coladvance(curwin->w_curswant);
}
cap->count0 = redo_VIsual_count;
if (redo_VIsual_count != 0)
cap->count1 = redo_VIsual_count;
else
cap->count1 = 1;
} else if (VIsual_active) {
if (!gui_yank) {
/* Save the current VIsual area for '< and '> marks, and "gv" */
curbuf->b_visual.vi_start = VIsual;
curbuf->b_visual.vi_end = curwin->w_cursor;
curbuf->b_visual.vi_mode = VIsual_mode;
if (VIsual_mode_orig != NUL) {
curbuf->b_visual.vi_mode = VIsual_mode_orig;
VIsual_mode_orig = NUL;
}
curbuf->b_visual.vi_curswant = curwin->w_curswant;
curbuf->b_visual_mode_eval = VIsual_mode;
}
/* In Select mode, a linewise selection is operated upon like a
* characterwise selection. */
if (VIsual_select && VIsual_mode == 'V') {
if (lt(VIsual, curwin->w_cursor)) {
VIsual.col = 0;
curwin->w_cursor.col =
(colnr_T)STRLEN(ml_get(curwin->w_cursor.lnum));
} else {
curwin->w_cursor.col = 0;
VIsual.col = (colnr_T)STRLEN(ml_get(VIsual.lnum));
}
VIsual_mode = 'v';
}
/* If 'selection' is "exclusive", backup one character for
* charwise selections. */
else if (VIsual_mode == 'v') {
include_line_break =
unadjust_for_sel();
}
oap->start = VIsual;
if (VIsual_mode == 'V')
oap->start.col = 0;
}
/*
* Set oap->start to the first position of the operated text, oap->end
* to the end of the operated text. w_cursor is equal to oap->start.
*/
if (lt(oap->start, curwin->w_cursor)) {
/* Include folded lines completely. */
if (!VIsual_active) {
if (hasFolding(oap->start.lnum, &oap->start.lnum, NULL))
oap->start.col = 0;
if (hasFolding(curwin->w_cursor.lnum, NULL,
&curwin->w_cursor.lnum))
curwin->w_cursor.col = (colnr_T)STRLEN(get_cursor_line_ptr());
}
oap->end = curwin->w_cursor;
curwin->w_cursor = oap->start;
/* w_virtcol may have been updated; if the cursor goes back to its
* previous position w_virtcol becomes invalid and isn't updated
* automatically. */
curwin->w_valid &= ~VALID_VIRTCOL;
} else {
/* Include folded lines completely. */
if (!VIsual_active && oap->motion_type == MLINE) {
if (hasFolding(curwin->w_cursor.lnum, &curwin->w_cursor.lnum,
NULL))
curwin->w_cursor.col = 0;
if (hasFolding(oap->start.lnum, NULL, &oap->start.lnum))
oap->start.col = (colnr_T)STRLEN(ml_get(oap->start.lnum));
}
oap->end = oap->start;
oap->start = curwin->w_cursor;
}
oap->line_count = oap->end.lnum - oap->start.lnum + 1;
/* Set "virtual_op" before resetting VIsual_active. */
virtual_op = virtual_active();
if (VIsual_active || redo_VIsual_busy) {
if (VIsual_mode == Ctrl_V) { /* block mode */
colnr_T start, end;
oap->block_mode = TRUE;
getvvcol(curwin, &(oap->start),
&oap->start_vcol, NULL, &oap->end_vcol);
if (!redo_VIsual_busy) {
getvvcol(curwin, &(oap->end), &start, NULL, &end);
if (start < oap->start_vcol)
oap->start_vcol = start;
if (end > oap->end_vcol) {
if (*p_sel == 'e' && start >= 1
&& start - 1 >= oap->end_vcol)
oap->end_vcol = start - 1;
else
oap->end_vcol = end;
}
}
/* if '$' was used, get oap->end_vcol from longest line */
if (curwin->w_curswant == MAXCOL) {
curwin->w_cursor.col = MAXCOL;
oap->end_vcol = 0;
for (curwin->w_cursor.lnum = oap->start.lnum;
curwin->w_cursor.lnum <= oap->end.lnum;
++curwin->w_cursor.lnum) {
getvvcol(curwin, &curwin->w_cursor, NULL, NULL, &end);
if (end > oap->end_vcol)
oap->end_vcol = end;
}
} else if (redo_VIsual_busy)
oap->end_vcol = oap->start_vcol + redo_VIsual_vcol - 1;
/*
* Correct oap->end.col and oap->start.col to be the
* upper-left and lower-right corner of the block area.
*
* (Actually, this does convert column positions into character
* positions)
*/
curwin->w_cursor.lnum = oap->end.lnum;
coladvance(oap->end_vcol);
oap->end = curwin->w_cursor;
curwin->w_cursor = oap->start;
coladvance(oap->start_vcol);
oap->start = curwin->w_cursor;
}
if (!redo_VIsual_busy && !gui_yank) {
/*
* Prepare to reselect and redo Visual: this is based on the
* size of the Visual text
*/
resel_VIsual_mode = VIsual_mode;
if (curwin->w_curswant == MAXCOL)
resel_VIsual_vcol = MAXCOL;
else {
if (VIsual_mode != Ctrl_V)
getvvcol(curwin, &(oap->end),
NULL, NULL, &oap->end_vcol);
if (VIsual_mode == Ctrl_V || oap->line_count <= 1) {
if (VIsual_mode != Ctrl_V)
getvvcol(curwin, &(oap->start),
&oap->start_vcol, NULL, NULL);
resel_VIsual_vcol = oap->end_vcol - oap->start_vcol + 1;
} else
resel_VIsual_vcol = oap->end_vcol;
}
resel_VIsual_line_count = oap->line_count;
}
/* can't redo yank (unless 'y' is in 'cpoptions') and ":" */
if ((vim_strchr(p_cpo, CPO_YANK) != NULL || oap->op_type != OP_YANK)
&& oap->op_type != OP_COLON
&& oap->op_type != OP_FOLD
&& oap->op_type != OP_FOLDOPEN
&& oap->op_type != OP_FOLDOPENREC
&& oap->op_type != OP_FOLDCLOSE
&& oap->op_type != OP_FOLDCLOSEREC
&& oap->op_type != OP_FOLDDEL
&& oap->op_type != OP_FOLDDELREC
&& oap->motion_force == NUL
) {
/* Prepare for redoing. Only use the nchar field for "r",
* otherwise it might be the second char of the operator. */
if (cap->cmdchar == 'g' && (cap->nchar == 'n'
|| cap->nchar == 'N'))
prep_redo(oap->regname, cap->count0,
get_op_char(oap->op_type), get_extra_op_char(oap->op_type),
oap->motion_force, cap->cmdchar, cap->nchar);
else if (cap->cmdchar != ':')
prep_redo(oap->regname, 0L, NUL, 'v',
get_op_char(oap->op_type),
get_extra_op_char(oap->op_type),
oap->op_type == OP_REPLACE
? cap->nchar : NUL);
if (!redo_VIsual_busy) {
redo_VIsual_mode = resel_VIsual_mode;
redo_VIsual_vcol = resel_VIsual_vcol;
redo_VIsual_line_count = resel_VIsual_line_count;
redo_VIsual_count = cap->count0;
}
}
/*
* oap->inclusive defaults to TRUE.
* If oap->end is on a NUL (empty line) oap->inclusive becomes
* FALSE. This makes "d}P" and "v}dP" work the same.
*/
if (oap->motion_force == NUL || oap->motion_type == MLINE)
oap->inclusive = TRUE;
if (VIsual_mode == 'V')
oap->motion_type = MLINE;
else {
oap->motion_type = MCHAR;
if (VIsual_mode != Ctrl_V && *ml_get_pos(&(oap->end)) == NUL
&& (include_line_break || !virtual_op)
) {
oap->inclusive = FALSE;
/* Try to include the newline, unless it's an operator
* that works on lines only. */
if (*p_sel != 'o' && !op_on_lines(oap->op_type)) {
if (oap->end.lnum < curbuf->b_ml.ml_line_count) {
++oap->end.lnum;
oap->end.col = 0;
oap->end.coladd = 0;
++oap->line_count;
} else {
/* Cannot move below the last line, make the op
* inclusive to tell the operation to include the
* line break. */
oap->inclusive = TRUE;
}
}
}
}
redo_VIsual_busy = FALSE;
/*
* Switch Visual off now, so screen updating does
* not show inverted text when the screen is redrawn.
* With OP_YANK and sometimes with OP_COLON and OP_FILTER there is
* no screen redraw, so it is done here to remove the inverted
* part.
*/
if (!gui_yank) {
VIsual_active = FALSE;
setmouse();
mouse_dragging = 0;
if (mode_displayed)
clear_cmdline = TRUE; /* unshow visual mode later */
else
clear_showcmd();
if ((oap->op_type == OP_YANK
|| oap->op_type == OP_COLON
|| oap->op_type == OP_FUNCTION
|| oap->op_type == OP_FILTER)
&& oap->motion_force == NUL)
redraw_curbuf_later(INVERTED);
}
}
/* Include the trailing byte of a multi-byte char. */
if (has_mbyte && oap->inclusive) {
int l;
l = (*mb_ptr2len)(ml_get_pos(&oap->end));
if (l > 1)
oap->end.col += l - 1;
}
curwin->w_set_curswant = TRUE;
/*
* oap->empty is set when start and end are the same. The inclusive
* flag affects this too, unless yanking and the end is on a NUL.
*/
oap->empty = (oap->motion_type == MCHAR
&& (!oap->inclusive
|| (oap->op_type == OP_YANK
&& gchar_pos(&oap->end) == NUL))
&& equalpos(oap->start, oap->end)
&& !(virtual_op && oap->start.coladd != oap->end.coladd)
);
/*
* For delete, change and yank, it's an error to operate on an
* empty region, when 'E' included in 'cpoptions' (Vi compatible).
*/
empty_region_error = (oap->empty
&& vim_strchr(p_cpo, CPO_EMPTYREGION) != NULL);
/* Force a redraw when operating on an empty Visual region, when
* 'modifiable is off or creating a fold. */
if (oap->is_VIsual && (oap->empty || !curbuf->b_p_ma
|| oap->op_type == OP_FOLD
))
redraw_curbuf_later(INVERTED);
/*
* If the end of an operator is in column one while oap->motion_type
* is MCHAR and oap->inclusive is FALSE, we put op_end after the last
* character in the previous line. If op_start is on or before the
* first non-blank in the line, the operator becomes linewise
* (strange, but that's the way vi does it).
*/
if ( oap->motion_type == MCHAR
&& oap->inclusive == FALSE
&& !(cap->retval & CA_NO_ADJ_OP_END)
&& oap->end.col == 0
&& (!oap->is_VIsual || *p_sel == 'o')
&& !oap->block_mode
&& oap->line_count > 1) {
oap->end_adjusted = TRUE; /* remember that we did this */
--oap->line_count;
--oap->end.lnum;
if (inindent(0))
oap->motion_type = MLINE;
else {
oap->end.col = (colnr_T)STRLEN(ml_get(oap->end.lnum));
if (oap->end.col) {
--oap->end.col;
oap->inclusive = TRUE;
}
}
} else
oap->end_adjusted = FALSE;
switch (oap->op_type) {
case OP_LSHIFT:
case OP_RSHIFT:
op_shift(oap, TRUE,
oap->is_VIsual ? (int)cap->count1 :
1);
auto_format(FALSE, TRUE);
break;
case OP_JOIN_NS:
case OP_JOIN:
if (oap->line_count < 2)
oap->line_count = 2;
if (curwin->w_cursor.lnum + oap->line_count - 1 >
curbuf->b_ml.ml_line_count)
beep_flush();
else {
do_join(oap->line_count, oap->op_type == OP_JOIN, TRUE, TRUE, true);
auto_format(FALSE, TRUE);
}
break;
case OP_DELETE:
VIsual_reselect = FALSE; /* don't reselect now */
if (empty_region_error) {
vim_beep();
CancelRedo();
} else {
(void)op_delete(oap);
if (oap->motion_type == MLINE && has_format_option(FO_AUTO))
u_save_cursor(); /* cursor line wasn't saved yet */
auto_format(FALSE, TRUE);
}
break;
case OP_YANK:
if (empty_region_error) {
if (!gui_yank) {
vim_beep();
CancelRedo();
}
} else
(void)op_yank(oap, FALSE, !gui_yank);
check_cursor_col();
break;
case OP_CHANGE:
VIsual_reselect = FALSE; /* don't reselect now */
if (empty_region_error) {
vim_beep();
CancelRedo();
} else {
/* This is a new edit command, not a restart. Need to
* remember it to make 'insertmode' work with mappings for
* Visual mode. But do this only once and not when typed and
* 'insertmode' isn't set. */
if (p_im || !KeyTyped)
restart_edit_save = restart_edit;
else
restart_edit_save = 0;
restart_edit = 0;
/* Reset finish_op now, don't want it set inside edit(). */
finish_op = FALSE;
if (op_change(oap)) /* will call edit() */
cap->retval |= CA_COMMAND_BUSY;
if (restart_edit == 0)
restart_edit = restart_edit_save;
}
break;
case OP_FILTER:
if (vim_strchr(p_cpo, CPO_FILTER) != NULL)
AppendToRedobuff((char_u *)"!\r"); /* use any last used !cmd */
else
bangredo = TRUE; /* do_bang() will put cmd in redo buffer */
case OP_INDENT:
case OP_COLON:
/*
* If 'equalprg' is empty, do the indenting internally.
*/
if (oap->op_type == OP_INDENT && *get_equalprg() == NUL) {
if (curbuf->b_p_lisp) {
op_reindent(oap, get_lisp_indent);
break;
}
op_reindent(oap,
*curbuf->b_p_inde != NUL ? get_expr_indent :
get_c_indent);
break;
}
op_colon(oap);
break;
case OP_TILDE:
case OP_UPPER:
case OP_LOWER:
case OP_ROT13:
if (empty_region_error) {
vim_beep();
CancelRedo();
} else
op_tilde(oap);
check_cursor_col();
break;
case OP_FORMAT:
if (*curbuf->b_p_fex != NUL)
op_formatexpr(oap); /* use expression */
else if (*p_fp != NUL)
op_colon(oap); /* use external command */
else
op_format(oap, FALSE); /* use internal function */
break;
case OP_FORMAT2:
op_format(oap, TRUE); /* use internal function */
break;
case OP_FUNCTION:
op_function(oap); /* call 'operatorfunc' */
break;
case OP_INSERT:
case OP_APPEND:
VIsual_reselect = FALSE; /* don't reselect now */
if (empty_region_error) {
vim_beep();
CancelRedo();
} else {
/* This is a new edit command, not a restart. Need to
* remember it to make 'insertmode' work with mappings for
* Visual mode. But do this only once. */
restart_edit_save = restart_edit;
restart_edit = 0;
op_insert(oap, cap->count1);
/* TODO: when inserting in several lines, should format all
* the lines. */
auto_format(FALSE, TRUE);
if (restart_edit == 0)
restart_edit = restart_edit_save;
}
break;
case OP_REPLACE:
VIsual_reselect = FALSE; /* don't reselect now */
if (empty_region_error) {
vim_beep();
CancelRedo();
} else
op_replace(oap, cap->nchar);
break;
case OP_FOLD:
VIsual_reselect = FALSE; /* don't reselect now */
foldCreate(oap->start.lnum, oap->end.lnum);
break;
case OP_FOLDOPEN:
case OP_FOLDOPENREC:
case OP_FOLDCLOSE:
case OP_FOLDCLOSEREC:
VIsual_reselect = FALSE; /* don't reselect now */
opFoldRange(oap->start.lnum, oap->end.lnum,
oap->op_type == OP_FOLDOPEN
|| oap->op_type == OP_FOLDOPENREC,
oap->op_type == OP_FOLDOPENREC
|| oap->op_type == OP_FOLDCLOSEREC,
oap->is_VIsual);
break;
case OP_FOLDDEL:
case OP_FOLDDELREC:
VIsual_reselect = FALSE; /* don't reselect now */
deleteFold(oap->start.lnum, oap->end.lnum,
oap->op_type == OP_FOLDDELREC, oap->is_VIsual);
break;
default:
clearopbeep(oap);
}
virtual_op = MAYBE;
if (!gui_yank) {
/*
* if 'sol' not set, go back to old column for some commands
*/
if (!p_sol && oap->motion_type == MLINE && !oap->end_adjusted
&& (oap->op_type == OP_LSHIFT || oap->op_type == OP_RSHIFT
|| oap->op_type == OP_DELETE))
coladvance(curwin->w_curswant = old_col);
} else {
curwin->w_cursor = old_cursor;
}
oap->block_mode = FALSE;
clearop(oap);
}
}
/*
* Handle indent and format operators and visual mode ":".
*/
static void op_colon(oparg_T *oap)
{
stuffcharReadbuff(':');
if (oap->is_VIsual)
stuffReadbuff((char_u *)"'<,'>");
else {
/*
* Make the range look nice, so it can be repeated.
*/
if (oap->start.lnum == curwin->w_cursor.lnum)
stuffcharReadbuff('.');
else
stuffnumReadbuff((long)oap->start.lnum);
if (oap->end.lnum != oap->start.lnum) {
stuffcharReadbuff(',');
if (oap->end.lnum == curwin->w_cursor.lnum)
stuffcharReadbuff('.');
else if (oap->end.lnum == curbuf->b_ml.ml_line_count)
stuffcharReadbuff('$');
else if (oap->start.lnum == curwin->w_cursor.lnum) {
stuffReadbuff((char_u *)".+");
stuffnumReadbuff((long)oap->line_count - 1);
} else
stuffnumReadbuff((long)oap->end.lnum);
}
}
if (oap->op_type != OP_COLON)
stuffReadbuff((char_u *)"!");
if (oap->op_type == OP_INDENT) {
stuffReadbuff(get_equalprg());
stuffReadbuff((char_u *)"\n");
} else if (oap->op_type == OP_FORMAT) {
if (*p_fp == NUL)
stuffReadbuff((char_u *)"fmt");
else
stuffReadbuff(p_fp);
stuffReadbuff((char_u *)"\n']");
}
/*
* do_cmdline() does the rest
*/
}
/*
* Handle the "g@" operator: call 'operatorfunc'.
*/
static void op_function(oparg_T *oap)
{
char_u *(argv[1]);
int save_virtual_op = virtual_op;
if (*p_opfunc == NUL)
EMSG(_("E774: 'operatorfunc' is empty"));
else {
/* Set '[ and '] marks to text to be operated on. */
curbuf->b_op_start = oap->start;
curbuf->b_op_end = oap->end;
if (oap->motion_type != MLINE && !oap->inclusive)
/* Exclude the end position. */
decl(&curbuf->b_op_end);
if (oap->block_mode)
argv[0] = (char_u *)"block";
else if (oap->motion_type == MLINE)
argv[0] = (char_u *)"line";
else
argv[0] = (char_u *)"char";
/* Reset virtual_op so that 'virtualedit' can be changed in the
* function. */
virtual_op = MAYBE;
(void)call_func_retnr(p_opfunc, 1, argv, FALSE);
virtual_op = save_virtual_op;
}
}
/*
* Do the appropriate action for the current mouse click in the current mode.
* Not used for Command-line mode.
*
* Normal Mode:
* event modi- position visual change action
* fier cursor window
* left press - yes end yes
* left press C yes end yes "^]" (2)
* left press S yes end yes "*" (2)
* left drag - yes start if moved no
* left relse - yes start if moved no
* middle press - yes if not active no put register
* middle press - yes if active no yank and put
* right press - yes start or extend yes
* right press S yes no change yes "#" (2)
* right drag - yes extend no
* right relse - yes extend no
*
* Insert or Replace Mode:
* event modi- position visual change action
* fier cursor window
* left press - yes (cannot be active) yes
* left press C yes (cannot be active) yes "CTRL-O^]" (2)
* left press S yes (cannot be active) yes "CTRL-O*" (2)
* left drag - yes start or extend (1) no CTRL-O (1)
* left relse - yes start or extend (1) no CTRL-O (1)
* middle press - no (cannot be active) no put register
* right press - yes start or extend yes CTRL-O
* right press S yes (cannot be active) yes "CTRL-O#" (2)
*
* (1) only if mouse pointer moved since press
* (2) only if click is in same buffer
*
* Return TRUE if start_arrow() should be called for edit mode.
*/
int
do_mouse (
oparg_T *oap, /* operator argument, can be NULL */
int c, /* K_LEFTMOUSE, etc */
int dir, /* Direction to 'put' if necessary */
long count,
int fixindent /* PUT_FIXINDENT if fixing indent necessary */
)
{
static int do_always = FALSE; /* ignore 'mouse' setting next time */
static int got_click = FALSE; /* got a click some time back */
int which_button; /* MOUSE_LEFT, _MIDDLE or _RIGHT */
int is_click; /* If FALSE it's a drag or release event */
int is_drag; /* If TRUE it's a drag event */
int jump_flags = 0; /* flags for jump_to_mouse() */
pos_T start_visual;
int moved; /* Has cursor moved? */
int in_status_line; /* mouse in status line */
static int in_tab_line = FALSE; /* mouse clicked in tab line */
int in_sep_line; /* mouse in vertical separator line */
int c1, c2;
pos_T save_cursor;
win_T *old_curwin = curwin;
static pos_T orig_cursor;
colnr_T leftcol, rightcol;
pos_T end_visual;
int diff;
int old_active = VIsual_active;
int old_mode = VIsual_mode;
int regname;
save_cursor = curwin->w_cursor;
/*
* When GUI is active, always recognize mouse events, otherwise:
* - Ignore mouse event in normal mode if 'mouse' doesn't include 'n'.
* - Ignore mouse event in visual mode if 'mouse' doesn't include 'v'.
* - For command line and insert mode 'mouse' is checked before calling
* do_mouse().
*/
if (do_always)
do_always = FALSE;
else {
if (VIsual_active) {
if (!mouse_has(MOUSE_VISUAL))
return FALSE;
} else if (State == NORMAL && !mouse_has(MOUSE_NORMAL))
return FALSE;
}
for (;; ) {
which_button = get_mouse_button(KEY2TERMCAP1(c), &is_click, &is_drag);
if (is_drag) {
/* If the next character is the same mouse event then use that
* one. Speeds up dragging the status line. */
if (vpeekc() != NUL) {
int nc;
int save_mouse_row = mouse_row;
int save_mouse_col = mouse_col;
/* Need to get the character, peeking doesn't get the actual
* one. */
nc = safe_vgetc();
if (c == nc)
continue;
vungetc(nc);
mouse_row = save_mouse_row;
mouse_col = save_mouse_col;
}
}
break;
}
/*
* Ignore drag and release events if we didn't get a click.
*/
if (is_click)
got_click = TRUE;
else {
if (!got_click) /* didn't get click, ignore */
return FALSE;
if (!is_drag) { /* release, reset got_click */
got_click = FALSE;
if (in_tab_line) {
in_tab_line = FALSE;
return FALSE;
}
}
}
/*
* CTRL right mouse button does CTRL-T
*/
if (is_click && (mod_mask & MOD_MASK_CTRL) && which_button == MOUSE_RIGHT) {
if (State & INSERT)
stuffcharReadbuff(Ctrl_O);
if (count > 1)
stuffnumReadbuff(count);
stuffcharReadbuff(Ctrl_T);
got_click = FALSE; /* ignore drag&release now */
return FALSE;
}
/*
* CTRL only works with left mouse button
*/
if ((mod_mask & MOD_MASK_CTRL) && which_button != MOUSE_LEFT)
return FALSE;
/*
* When a modifier is down, ignore drag and release events, as well as
* multiple clicks and the middle mouse button.
* Accept shift-leftmouse drags when 'mousemodel' is "popup.*".
*/
if ((mod_mask & (MOD_MASK_SHIFT | MOD_MASK_CTRL | MOD_MASK_ALT
| MOD_MASK_META))
&& (!is_click
|| (mod_mask & MOD_MASK_MULTI_CLICK)
|| which_button == MOUSE_MIDDLE)
&& !((mod_mask & (MOD_MASK_SHIFT|MOD_MASK_ALT))
&& mouse_model_popup()
&& which_button == MOUSE_LEFT)
&& !((mod_mask & MOD_MASK_ALT)
&& !mouse_model_popup()
&& which_button == MOUSE_RIGHT)
)
return FALSE;
/*
* If the button press was used as the movement command for an operator
* (eg "d<MOUSE>"), or it is the middle button that is held down, ignore
* drag/release events.
*/
if (!is_click && which_button == MOUSE_MIDDLE)
return FALSE;
if (oap != NULL)
regname = oap->regname;
else
regname = 0;
/*
* Middle mouse button does a 'put' of the selected text
*/
if (which_button == MOUSE_MIDDLE) {
if (State == NORMAL) {
/*
* If an operator was pending, we don't know what the user wanted
* to do. Go back to normal mode: Clear the operator and beep().
*/
if (oap != NULL && oap->op_type != OP_NOP) {
clearopbeep(oap);
return FALSE;
}
/*
* If visual was active, yank the highlighted text and put it
* before the mouse pointer position.
* In Select mode replace the highlighted text with the clipboard.
*/
if (VIsual_active) {
if (VIsual_select) {
stuffcharReadbuff(Ctrl_G);
stuffReadbuff((char_u *)"\"+p");
} else {
stuffcharReadbuff('y');
stuffcharReadbuff(K_MIDDLEMOUSE);
}
do_always = TRUE; /* ignore 'mouse' setting next time */
return FALSE;
}
/*
* The rest is below jump_to_mouse()
*/
} else if ((State & INSERT) == 0)
return FALSE;
/*
* Middle click in insert mode doesn't move the mouse, just insert the
* contents of a register. '.' register is special, can't insert that
* with do_put().
* Also paste at the cursor if the current mode isn't in 'mouse' (only
* happens for the GUI).
*/
if ((State & INSERT) || !mouse_has(MOUSE_NORMAL)) {
if (regname == '.')
insert_reg(regname, TRUE);
else {
if ((State & REPLACE_FLAG) && !yank_register_mline(regname))
insert_reg(regname, TRUE);
else {
do_put(regname, BACKWARD, 1L, fixindent | PUT_CURSEND);
/* Repeat it with CTRL-R CTRL-O r or CTRL-R CTRL-P r */
AppendCharToRedobuff(Ctrl_R);
AppendCharToRedobuff(fixindent ? Ctrl_P : Ctrl_O);
AppendCharToRedobuff(regname == 0 ? '"' : regname);
}
}
return FALSE;
}
}
/* When dragging or button-up stay in the same window. */
if (!is_click)
jump_flags |= MOUSE_FOCUS | MOUSE_DID_MOVE;
start_visual.lnum = 0;
/* Check for clicking in the tab page line. */
if (mouse_row == 0 && firstwin->w_winrow > 0) {
if (is_drag) {
if (in_tab_line) {
c1 = TabPageIdxs[mouse_col];
tabpage_move(c1 <= 0 ? 9999 : c1 - 1);
}
return FALSE;
}
/* click in a tab selects that tab page */
if (is_click
&& cmdwin_type == 0
&& mouse_col < Columns) {
in_tab_line = TRUE;
c1 = TabPageIdxs[mouse_col];
if (c1 >= 0) {
if ((mod_mask & MOD_MASK_MULTI_CLICK) == MOD_MASK_2CLICK) {
/* double click opens new page */
end_visual_mode();
tabpage_new();
tabpage_move(c1 == 0 ? 9999 : c1 - 1);
} else {
/* Go to specified tab page, or next one if not clicking
* on a label. */
goto_tabpage(c1);
/* It's like clicking on the status line of a window. */
if (curwin != old_curwin)
end_visual_mode();
}
} else if (c1 < 0) {
tabpage_T *tp;
/* Close the current or specified tab page. */
if (c1 == -999)
tp = curtab;
else
tp = find_tabpage(-c1);
if (tp == curtab) {
if (first_tabpage->tp_next != NULL)
tabpage_close(FALSE);
} else if (tp != NULL)
tabpage_close_other(tp, FALSE);
}
}
return TRUE;
} else if (is_drag && in_tab_line) {
c1 = TabPageIdxs[mouse_col];
tabpage_move(c1 <= 0 ? 9999 : c1 - 1);
return FALSE;
}
/*
* When 'mousemodel' is "popup" or "popup_setpos", translate mouse events:
* right button up -> pop-up menu
* shift-left button -> right button
* alt-left button -> alt-right button
*/
if (mouse_model_popup()) {
if (which_button == MOUSE_RIGHT
&& !(mod_mask & (MOD_MASK_SHIFT | MOD_MASK_CTRL))) {
/*
* NOTE: Ignore right button down and drag mouse events.
* Windows only shows the popup menu on the button up event.
*/
#if defined(FEAT_GUI_MOTIF) || defined(FEAT_GUI_GTK) \
|| defined(FEAT_GUI_PHOTON) || defined(FEAT_GUI_MAC)
if (!is_click)
return FALSE;
#endif
return FALSE;
}
if (which_button == MOUSE_LEFT
&& (mod_mask & (MOD_MASK_SHIFT|MOD_MASK_ALT))) {
which_button = MOUSE_RIGHT;
mod_mask &= ~MOD_MASK_SHIFT;
}
}
if ((State & (NORMAL | INSERT))
&& !(mod_mask & (MOD_MASK_SHIFT | MOD_MASK_CTRL))) {
if (which_button == MOUSE_LEFT) {
if (is_click) {
/* stop Visual mode for a left click in a window, but not when
* on a status line */
if (VIsual_active)
jump_flags |= MOUSE_MAY_STOP_VIS;
} else if (mouse_has(MOUSE_VISUAL))
jump_flags |= MOUSE_MAY_VIS;
} else if (which_button == MOUSE_RIGHT) {
if (is_click && VIsual_active) {
/*
* Remember the start and end of visual before moving the
* cursor.
*/
if (lt(curwin->w_cursor, VIsual)) {
start_visual = curwin->w_cursor;
end_visual = VIsual;
} else {
start_visual = VIsual;
end_visual = curwin->w_cursor;
}
}
jump_flags |= MOUSE_FOCUS;
if (mouse_has(MOUSE_VISUAL))
jump_flags |= MOUSE_MAY_VIS;
}
}
/*
* If an operator is pending, ignore all drags and releases until the
* next mouse click.
*/
if (!is_drag && oap != NULL && oap->op_type != OP_NOP) {
got_click = FALSE;
oap->motion_type = MCHAR;
}
/* When releasing the button let jump_to_mouse() know. */
if (!is_click && !is_drag)
jump_flags |= MOUSE_RELEASED;
/*
* JUMP!
*/
jump_flags = jump_to_mouse(jump_flags,
oap == NULL ? NULL : &(oap->inclusive), which_button);
moved = (jump_flags & CURSOR_MOVED);
in_status_line = (jump_flags & IN_STATUS_LINE);
in_sep_line = (jump_flags & IN_SEP_LINE);
/* When jumping to another window, clear a pending operator. That's a bit
* friendlier than beeping and not jumping to that window. */
if (curwin != old_curwin && oap != NULL && oap->op_type != OP_NOP)
clearop(oap);
if (mod_mask == 0
&& !is_drag
&& (jump_flags & (MOUSE_FOLD_CLOSE | MOUSE_FOLD_OPEN))
&& which_button == MOUSE_LEFT) {
/* open or close a fold at this line */
if (jump_flags & MOUSE_FOLD_OPEN)
openFold(curwin->w_cursor.lnum, 1L);
else
closeFold(curwin->w_cursor.lnum, 1L);
/* don't move the cursor if still in the same window */
if (curwin == old_curwin)
curwin->w_cursor = save_cursor;
}
/* Set global flag that we are extending the Visual area with mouse
* dragging; temporarily minimize 'scrolloff'. */
if (VIsual_active && is_drag && p_so) {
/* In the very first line, allow scrolling one line */
if (mouse_row == 0)
mouse_dragging = 2;
else
mouse_dragging = 1;
}
/* When dragging the mouse above the window, scroll down. */
if (is_drag && mouse_row < 0 && !in_status_line) {
scroll_redraw(FALSE, 1L);
mouse_row = 0;
}
if (start_visual.lnum) { /* right click in visual mode */
/* When ALT is pressed make Visual mode blockwise. */
if (mod_mask & MOD_MASK_ALT)
VIsual_mode = Ctrl_V;
/*
* In Visual-block mode, divide the area in four, pick up the corner
* that is in the quarter that the cursor is in.
*/
if (VIsual_mode == Ctrl_V) {
getvcols(curwin, &start_visual, &end_visual, &leftcol, &rightcol);
if (curwin->w_curswant > (leftcol + rightcol) / 2)
end_visual.col = leftcol;
else
end_visual.col = rightcol;
if (curwin->w_cursor.lnum <
(start_visual.lnum + end_visual.lnum) / 2)
end_visual.lnum = end_visual.lnum;
else
end_visual.lnum = start_visual.lnum;
/* move VIsual to the right column */
start_visual = curwin->w_cursor; /* save the cursor pos */
curwin->w_cursor = end_visual;
coladvance(end_visual.col);
VIsual = curwin->w_cursor;
curwin->w_cursor = start_visual; /* restore the cursor */
} else {
/*
* If the click is before the start of visual, change the start.
* If the click is after the end of visual, change the end. If
* the click is inside the visual, change the closest side.
*/
if (lt(curwin->w_cursor, start_visual))
VIsual = end_visual;
else if (lt(end_visual, curwin->w_cursor))
VIsual = start_visual;
else {
/* In the same line, compare column number */
if (end_visual.lnum == start_visual.lnum) {
if (curwin->w_cursor.col - start_visual.col >
end_visual.col - curwin->w_cursor.col)
VIsual = start_visual;
else
VIsual = end_visual;
}
/* In different lines, compare line number */
else {
diff = (curwin->w_cursor.lnum - start_visual.lnum) -
(end_visual.lnum - curwin->w_cursor.lnum);
if (diff > 0) /* closest to end */
VIsual = start_visual;
else if (diff < 0) /* closest to start */
VIsual = end_visual;
else { /* in the middle line */
if (curwin->w_cursor.col <
(start_visual.col + end_visual.col) / 2)
VIsual = end_visual;
else
VIsual = start_visual;
}
}
}
}
}
/*
* If Visual mode started in insert mode, execute "CTRL-O"
*/
else if ((State & INSERT) && VIsual_active)
stuffcharReadbuff(Ctrl_O);
/*
* Middle mouse click: Put text before cursor.
*/
if (which_button == MOUSE_MIDDLE) {
if (yank_register_mline(regname)) {
if (mouse_past_bottom)
dir = FORWARD;
} else if (mouse_past_eol)
dir = FORWARD;
if (fixindent) {
c1 = (dir == BACKWARD) ? '[' : ']';
c2 = 'p';
} else {
c1 = (dir == FORWARD) ? 'p' : 'P';
c2 = NUL;
}
prep_redo(regname, count, NUL, c1, NUL, c2, NUL);
/*
* Remember where the paste started, so in edit() Insstart can be set
* to this position
*/
if (restart_edit != 0)
where_paste_started = curwin->w_cursor;
do_put(regname, dir, count, fixindent | PUT_CURSEND);
}
/*
* Ctrl-Mouse click or double click in a quickfix window jumps to the
* error under the mouse pointer.
*/
else if (((mod_mask & MOD_MASK_CTRL)
|| (mod_mask & MOD_MASK_MULTI_CLICK) == MOD_MASK_2CLICK)
&& bt_quickfix(curbuf)) {
if (State & INSERT)
stuffcharReadbuff(Ctrl_O);
if (curwin->w_llist_ref == NULL) /* quickfix window */
stuffReadbuff((char_u *)":.cc\n");
else /* location list window */
stuffReadbuff((char_u *)":.ll\n");
got_click = FALSE; /* ignore drag&release now */
}
/*
* Ctrl-Mouse click (or double click in a help window) jumps to the tag
* under the mouse pointer.
*/
else if ((mod_mask & MOD_MASK_CTRL) || (curbuf->b_help
&& (mod_mask &
MOD_MASK_MULTI_CLICK) ==
MOD_MASK_2CLICK)) {
if (State & INSERT)
stuffcharReadbuff(Ctrl_O);
stuffcharReadbuff(Ctrl_RSB);
got_click = FALSE; /* ignore drag&release now */
}
/*
* Shift-Mouse click searches for the next occurrence of the word under
* the mouse pointer
*/
else if ((mod_mask & MOD_MASK_SHIFT)) {
if (State & INSERT
|| (VIsual_active && VIsual_select)
)
stuffcharReadbuff(Ctrl_O);
if (which_button == MOUSE_LEFT)
stuffcharReadbuff('*');
else /* MOUSE_RIGHT */
stuffcharReadbuff('#');
}
/* Handle double clicks, unless on status line */
else if (in_status_line) {
} else if (in_sep_line) {
} else if ((mod_mask & MOD_MASK_MULTI_CLICK) && (State & (NORMAL | INSERT))
&& mouse_has(MOUSE_VISUAL)) {
if (is_click || !VIsual_active) {
if (VIsual_active)
orig_cursor = VIsual;
else {
check_visual_highlight();
VIsual = curwin->w_cursor;
orig_cursor = VIsual;
VIsual_active = TRUE;
VIsual_reselect = TRUE;
/* start Select mode if 'selectmode' contains "mouse" */
may_start_select('o');
setmouse();
}
if ((mod_mask & MOD_MASK_MULTI_CLICK) == MOD_MASK_2CLICK) {
/* Double click with ALT pressed makes it blockwise. */
if (mod_mask & MOD_MASK_ALT)
VIsual_mode = Ctrl_V;
else
VIsual_mode = 'v';
} else if ((mod_mask & MOD_MASK_MULTI_CLICK) == MOD_MASK_3CLICK)
VIsual_mode = 'V';
else if ((mod_mask & MOD_MASK_MULTI_CLICK) == MOD_MASK_4CLICK)
VIsual_mode = Ctrl_V;
}
/*
* A double click selects a word or a block.
*/
if ((mod_mask & MOD_MASK_MULTI_CLICK) == MOD_MASK_2CLICK) {
pos_T *pos = NULL;
int gc;
if (is_click) {
/* If the character under the cursor (skipping white space) is
* not a word character, try finding a match and select a (),
* {}, [], #if/#endif, etc. block. */
end_visual = curwin->w_cursor;
while (gc = gchar_pos(&end_visual), vim_iswhite(gc))
inc(&end_visual);
if (oap != NULL)
oap->motion_type = MCHAR;
if (oap != NULL
&& VIsual_mode == 'v'
&& !vim_iswordc(gchar_pos(&end_visual))
&& equalpos(curwin->w_cursor, VIsual)
&& (pos = findmatch(oap, NUL)) != NULL) {
curwin->w_cursor = *pos;
if (oap->motion_type == MLINE)
VIsual_mode = 'V';
else if (*p_sel == 'e') {
if (lt(curwin->w_cursor, VIsual))
++VIsual.col;
else
++curwin->w_cursor.col;
}
}
}
if (pos == NULL && (is_click || is_drag)) {
/* When not found a match or when dragging: extend to include
* a word. */
if (lt(curwin->w_cursor, orig_cursor)) {
find_start_of_word(&curwin->w_cursor);
find_end_of_word(&VIsual);
} else {
find_start_of_word(&VIsual);
if (*p_sel == 'e' && *get_cursor_pos_ptr() != NUL)
curwin->w_cursor.col +=
(*mb_ptr2len)(get_cursor_pos_ptr());
find_end_of_word(&curwin->w_cursor);
}
}
curwin->w_set_curswant = TRUE;
}
if (is_click)
redraw_curbuf_later(INVERTED); /* update the inversion */
} else if (VIsual_active && !old_active) {
if (mod_mask & MOD_MASK_ALT)
VIsual_mode = Ctrl_V;
else
VIsual_mode = 'v';
}
/* If Visual mode changed show it later. */
if ((!VIsual_active && old_active && mode_displayed)
|| (VIsual_active && p_smd && msg_silent == 0
&& (!old_active || VIsual_mode != old_mode)))
redraw_cmdline = TRUE;
return moved;
}
/*
* Move "pos" back to the start of the word it's in.
*/
static void find_start_of_word(pos_T *pos)
{
char_u *line;
int cclass;
int col;
line = ml_get(pos->lnum);
cclass = get_mouse_class(line + pos->col);
while (pos->col > 0) {
col = pos->col - 1;
col -= (*mb_head_off)(line, line + col);
if (get_mouse_class(line + col) != cclass)
break;
pos->col = col;
}
}
/*
* Move "pos" forward to the end of the word it's in.
* When 'selection' is "exclusive", the position is just after the word.
*/
static void find_end_of_word(pos_T *pos)
{
char_u *line;
int cclass;
int col;
line = ml_get(pos->lnum);
if (*p_sel == 'e' && pos->col > 0) {
--pos->col;
pos->col -= (*mb_head_off)(line, line + pos->col);
}
cclass = get_mouse_class(line + pos->col);
while (line[pos->col] != NUL) {
col = pos->col + (*mb_ptr2len)(line + pos->col);
if (get_mouse_class(line + col) != cclass) {
if (*p_sel == 'e')
pos->col = col;
break;
}
pos->col = col;
}
}
/*
* Get class of a character for selection: same class means same word.
* 0: blank
* 1: punctuation groups
* 2: normal word character
* >2: multi-byte word character.
*/
static int get_mouse_class(char_u *p)
{
int c;
if (has_mbyte && MB_BYTE2LEN(p[0]) > 1)
return mb_get_class(p);
c = *p;
if (c == ' ' || c == '\t')
return 0;
if (vim_iswordc(c))
return 2;
/*
* There are a few special cases where we want certain combinations of
* characters to be considered as a single word. These are things like
* "->", "/ *", "*=", "+=", "&=", "<=", ">=", "!=" etc. Otherwise, each
* character is in its own class.
*/
if (c != NUL && vim_strchr((char_u *)"-+*/%<>&|^!=", c) != NULL)
return 1;
return c;
}
/*
* 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;
}
}
/*
* End Visual mode.
* This function should ALWAYS be called to end Visual mode, except from
* do_pending_operator().
*/
void end_visual_mode(void)
{
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;
curbuf->b_visual_mode_eval = VIsual_mode;
if (!virtual_active())
curwin->w_cursor.coladd = 0;
if (mode_displayed)
clear_cmdline = TRUE; /* unshow visual mode later */
else
clear_showcmd();
adjust_cursor_eol();
}
/*
* Reset VIsual_active and VIsual_reselect.
*/
void reset_VIsual_and_resel(void)
{
if (VIsual_active) {
end_visual_mode();
redraw_curbuf_later(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(INVERTED); /* delete the inversion later */
VIsual_reselect = 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 string
* FIND_IDENT + FIND_STRING: find any non-white string, identifier preferred.
* FIND_EVAL: find text useful for C program debugging
*
* There are three steps:
* 1. Search forward for the start of an identifier/string. Doesn't move if
* already on one.
* 2. Search backward for the start of this identifier/string.
* 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/string.
* When FIND_IDENT isn't defined, we backup until a blank.
*
* Returns the length of the string, or zero if no string is found.
* If a string is found, a pointer to the string is put in "*string". This
* string is not always NUL terminated.
*/
int find_ident_under_cursor(char_u **string, int find_type)
{
return find_ident_at_pos(curwin, curwin->w_cursor.lnum,
curwin->w_cursor.col, string, 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 **string, 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;
/*
* if i == 0: try to find an identifier
* if i == 1: try to find any non-white string
*/
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/string
*/
col = startcol;
if (has_mbyte) {
while (ptr[col] != NUL) {
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]))
)
++col;
/*
* 2. Back up to start of identifier/string.
*/
if (has_mbyte) {
/* Remember class of character under cursor. */
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))
)
break;
col = prevcol;
}
/* If we don't want just any old string, 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]))))
))
--col;
/* If we don't want just any old string, 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 string
*/
if (find_type & FIND_STRING)
EMSG(_("E348: No string under cursor"));
else
EMSG(_(e_noident));
return 0;
}
ptr += col;
*string = ptr;
/*
* 3. Find the end if the identifier/string.
*/
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)
))
col += (*mb_ptr2len)(ptr + col);
} else
while ((i == 0 ? vim_iswordc(ptr[col])
: (ptr[col] != NUL && !vim_iswhite(ptr[col])))
) {
++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.
*/
static void prep_redo(int regname, long num, int cmd1, int cmd2, int cmd3, int cmd4, int cmd5)
{
ResetRedobuff();
if (regname != 0) { /* yank from specified buffer */
AppendCharToRedobuff('"');
AppendCharToRedobuff(regname);
}
if (num)
AppendNumberToRedobuff(num);
if (cmd1 != NUL)
AppendCharToRedobuff(cmd1);
if (cmd2 != NUL)
AppendCharToRedobuff(cmd2);
if (cmd3 != NUL)
AppendCharToRedobuff(cmd3);
if (cmd4 != NUL)
AppendCharToRedobuff(cmd4);
if (cmd5 != NUL)
AppendCharToRedobuff(cmd5);
}
/*
* check for operator active and clear it
*
* return TRUE if 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.
*
* Return TRUE if 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;
}
static void clearop(oparg_T *oap)
{
oap->op_type = OP_NOP;
oap->regname = 0;
oap->motion_force = NUL;
oap->use_reg_one = FALSE;
}
static 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);
}
/*
* Routines for displaying a partly typed command
*/
# define SHOWCMD_BUFLEN SHOWCMD_COLS + 1 + 30
static char_u showcmd_buf[SHOWCMD_BUFLEN];
static char_u old_showcmd_buf[SHOWCMD_BUFLEN]; /* For push_showcmd() */
static int showcmd_is_clear = TRUE;
static int showcmd_visual = FALSE;
void clear_showcmd(void)
{
if (!p_sc)
return;
if (VIsual_active && !char_avail()) {
int cursor_bot = lt(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;
}
/* Include closed folds as a whole. */
hasFolding(top, &top, NULL);
hasFolding(bot, NULL, &bot);
lines = bot - top + 1;
if (VIsual_mode == Ctrl_V) {
char_u *saved_sbr = p_sbr;
/* Make 'sbr' empty for a moment to get the correct size. */
p_sbr = empty_option;
getvcols(curwin, &curwin->w_cursor, &VIsual, &leftcol, &rightcol);
p_sbr = saved_sbr;
sprintf((char *)showcmd_buf, "%" PRId64 "x%" PRId64,
(int64_t)lines, (int64_t)(rightcol - leftcol + 1));
} else if (VIsual_mode == 'V' || VIsual.lnum != curwin->w_cursor.lnum)
sprintf((char *)showcmd_buf, "%" PRId64, (int64_t)lines);
else {
char_u *s, *e;
int l;
int bytes = 0;
int chars = 0;
if (cursor_bot) {
s = ml_get_pos(&VIsual);
e = get_cursor_pos_ptr();
} else {
s = get_cursor_pos_ptr();
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;
static int ignore[] =
{
K_IGNORE,
K_LEFTMOUSE, K_LEFTDRAG, K_LEFTRELEASE,
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;
p = transchar(c);
if (*p == ' ')
STRCPY(p, "<20>");
old_len = (int)STRLEN(showcmd_buf);
extra_len = (int)STRLEN(p);
overflow = old_len + extra_len - SHOWCMD_COLS;
if (overflow > 0)
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;
cursor_off();
len = (int)STRLEN(showcmd_buf);
if (len == 0)
showcmd_is_clear = TRUE;
else {
screen_puts(showcmd_buf, (int)Rows - 1, sc_col, 0);
showcmd_is_clear = FALSE;
}
/*
* 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;
static int old_topfill = 0;
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
|| curwin->w_p_diff
)
&& (curwin->w_topline != old_topline
|| curwin->w_topfill != old_topfill
|| 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;
old_topfill = curwin->w_topfill;
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);
want_ver |= old_curwin->w_p_diff;
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 (curwin = firstwin; curwin; curwin = curwin->w_next) {
curbuf = curwin->w_buffer;
/* skip original window and windows with 'noscrollbind' */
if (curwin != old_curwin && curwin->w_p_scb) {
/*
* do the vertical scroll
*/
if (want_ver) {
if (old_curwin->w_p_diff && curwin->w_p_diff) {
diff_set_topline(old_curwin, curwin);
} else {
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(VALID);
cursor_correct();
curwin->w_redr_status = TRUE;
}
/*
* do the horizontal scroll
*/
if (want_hor && curwin->w_leftcol != tgt_leftcol) {
curwin->w_leftcol = tgt_leftcol;
leftcol_changed();
}
}
}
/*
* 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)
{
}
/*
* 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)
{
if (!checkclearopq(cap->oap)
&& do_addsub((int)cap->cmdchar, cap->count1) == OK)
prep_redo_cmd(cap);
}
/*
* CTRL-F, CTRL-B, etc: Scroll page up or down.
*/
static void nv_page(cmdarg_T *cap)
{
if (!checkclearop(cap->oap)) {
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)onepage(cap->arg, cap->count1);
}
}
/*
* 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, 0) == FAIL)
clearopbeep(oap);
else if ((fdo_flags & FDO_SEARCH) && KeyTyped && oap->op_type == OP_NOP)
foldOpenCursor();
}
/*
* 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 searchflags /* flags passed to searchit() */
)
{
char_u *pat;
pos_T old_pos;
pos_T par_pos;
pos_T found_pos;
int t;
bool save_p_ws;
int save_p_scs;
int retval = OK;
int incll;
pat = xmalloc(len + 7);
/* Put "\V" before the pattern to avoid that the special meaning of "."
* and "~" causes trouble. */
sprintf((char *)pat, 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(get_cursor_line_ptr()) != NUL)
--curwin->w_cursor.lnum;
}
curwin->w_cursor.col = 0;
/* Search forward for the identifier, ignore comment lines. */
clearpos(&found_pos);
for (;; ) {
t = searchit(curwin, curbuf, &curwin->w_cursor, FORWARD,
pat, 1L, searchflags, RE_LAST, (linenr_T)0, 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)
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(get_cursor_line_ptr(), NULL, FALSE, TRUE) > 0) {
/* Ignore this line, continue at start of next line. */
++curwin->w_cursor.lnum;
curwin->w_cursor.col = 0;
continue;
}
if (!locally) /* global search: use first match found */
break;
if (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 "{" search
* to find a later match. For K&R style function declarations this
* skips the function header without types. */
found_pos = curwin->w_cursor;
}
if (t == FAIL) {
retval = FAIL;
curwin->w_cursor = old_pos;
} else {
curwin->w_set_curswant = TRUE;
/* "n" searches forward now */
reset_search_dir();
}
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.
*/
static int nv_screengo(oparg_T *oap, int dir, long dist)
{
int linelen = linetabsize(get_cursor_line_ptr());
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; /* test 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 (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 + 1)
curwin->w_curswant -= ((curwin->w_curswant - n) / width2 + 1)
* width2;
}
while (dist--) {
if (dir == BACKWARD) {
if ((long)curwin->w_curswant >= width2)
/* move back within line */
curwin->w_curswant -= width2;
else {
/* to previous line */
if (curwin->w_cursor.lnum == 1) {
retval = FAIL;
break;
}
--curwin->w_cursor.lnum;
/* Move to the start of a closed fold. Don't do that when
* 'foldopen' contains "all": it will open in a moment. */
if (!(fdo_flags & FDO_ALL))
(void)hasFolding(curwin->w_cursor.lnum,
&curwin->w_cursor.lnum, NULL);
linelen = linetabsize(get_cursor_line_ptr());
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)
/* move forward within line */
curwin->w_curswant += width2;
else {
/* to next line */
/* Move to the end of a closed fold. */
(void)hasFolding(curwin->w_cursor.lnum, NULL,
&curwin->w_cursor.lnum);
if (curwin->w_cursor.lnum == curbuf->b_ml.ml_line_count) {
retval = FAIL;
break;
}
curwin->w_cursor.lnum++;
curwin->w_curswant %= width2;
linelen = linetabsize(get_cursor_line_ptr());
}
}
}
}
if (virtual_active() && atend)
coladvance(MAXCOL);
else
coladvance(curwin->w_curswant);
if (curwin->w_cursor.col > 0 && curwin->w_p_wrap) {
/*
* 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();
if (curwin->w_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 */
return retval;
}
/*
* Mouse scroll wheel: Default action is to scroll three lines, or one page
* when Shift or Ctrl is used.
* K_MOUSEUP (cap->arg == 1) or K_MOUSEDOWN (cap->arg == 0) or
* K_MOUSELEFT (cap->arg == -1) or K_MOUSERIGHT (cap->arg == -2)
*/
static void nv_mousescroll(cmdarg_T *cap)
{
win_T *old_curwin = curwin;
if (mouse_row >= 0 && mouse_col >= 0) {
int row, col;
row = mouse_row;
col = mouse_col;
/* find the window at the pointer coordinates */
curwin = mouse_find_win(&row, &col);
curbuf = curwin->w_buffer;
}
if (cap->arg == MSCR_UP || cap->arg == MSCR_DOWN) {
if (mod_mask & (MOD_MASK_SHIFT | MOD_MASK_CTRL)) {
(void)onepage(cap->arg ? FORWARD : BACKWARD, 1L);
} else {
cap->count1 = 3;
cap->count0 = 3;
nv_scroll_line(cap);
}
}
curwin->w_redr_status = TRUE;
curwin = old_curwin;
curbuf = curwin->w_buffer;
}
/*
* Mouse clicks and drags.
*/
static void nv_mouse(cmdarg_T *cap)
{
(void)do_mouse(cap->oap, cap->cmdchar, BACKWARD, cap->count1, 0);
}
/*
* Handle CTRL-E and CTRL-Y commands: scroll a line up or down.
* cap->arg must be TRUE for CTRL-E.
*/
static void nv_scroll_line(cmdarg_T *cap)
{
if (!checkclearop(cap->oap))
scroll_redraw(cap->arg, cap->count1);
}
/*
* Scroll "count" lines up or down, and redraw.
*/
void scroll_redraw(int up, long count)
{
linenr_T prev_topline = curwin->w_topline;
int prev_topfill = curwin->w_topfill;
linenr_T prev_lnum = curwin->w_cursor.lnum;
if (up)
scrollup(count, TRUE);
else
scrolldown(count, TRUE);
if (p_so) {
/* Adjust the cursor position for 'scrolloff'. Mark w_topline as
* valid, otherwise the screen jumps back at the end of the file. */
cursor_correct();
check_cursor_moved(curwin);
curwin->w_valid |= VALID_TOPLINE;
/* If moved back to where we were, at least move the cursor, otherwise
* we get stuck at one position. Don't move the cursor up if the
* first line of the buffer is already on the screen */
while (curwin->w_topline == prev_topline
&& curwin->w_topfill == prev_topfill
) {
if (up) {
if (curwin->w_cursor.lnum > prev_lnum
|| cursor_down(1L, FALSE) == FAIL)
break;
} else {
if (curwin->w_cursor.lnum < prev_lnum
|| prev_topline == 1L
|| cursor_up(1L, FALSE) == FAIL)
break;
}
/* Mark w_topline as valid, otherwise the screen jumps back at the
* end of the file. */
check_cursor_moved(curwin);
curwin->w_valid |= VALID_TOPLINE;
}
}
if (curwin->w_cursor.lnum != prev_lnum)
coladvance(curwin->w_curswant);
redraw_later(VALID);
}
/*
* Commands that start with "z".
*/
static void nv_zet(cmdarg_T *cap)
{
long n;
colnr_T col;
int nchar = cap->nchar;
long old_fdl = curwin->w_p_fdl;
int old_fen = curwin->w_p_fen;
int undo = FALSE;
if (VIM_ISDIGIT(nchar)) {
/*
* "z123{nchar}": edit the count before obtaining {nchar}
*/
if (checkclearop(cap->oap))
return;
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))
n = n * 10 + (nchar - '0');
else if (nchar == CAR) {
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;
goto dozet;
} else {
clearopbeep(cap->oap);
break;
}
}
cap->oap->op_type = OP_NOP;
return;
}
dozet:
if (
/* "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'
&&
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(VALID);
break;
/* "z." and "zz": put cursor in middle of screen */
case '.': beginline(BL_WHITE | BL_FIX);
/* FALLTHROUGH */
case 'z': scroll_cursor_halfway(TRUE);
redraw_later(VALID);
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(VALID);
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) {
if ((colnr_T)cap->count1 > curwin->w_leftcol)
curwin->w_leftcol = 0;
else
curwin->w_leftcol -= (colnr_T)cap->count1;
leftcol_changed();
}
break;
/* "zL" - scroll screen left half-page */
case 'L': cap->count1 *= curwin->w_width / 2;
/* FALLTHROUGH */
/* "zl" - scroll screen to the left */
case 'l':
case K_RIGHT:
if (!curwin->w_p_wrap) {
/* scroll the window left */
curwin->w_leftcol += (colnr_T)cap->count1;
leftcol_changed();
}
break;
/* "zs" - scroll screen, cursor at the start */
case 's': if (!curwin->w_p_wrap) {
if (hasFolding(curwin->w_cursor.lnum, NULL, NULL))
col = 0; /* like the cursor is in col 0 */
else
getvcol(curwin, &curwin->w_cursor, &col, NULL, NULL);
if ((long)col > p_siso)
col -= p_siso;
else
col = 0;
if (curwin->w_leftcol != col) {
curwin->w_leftcol = col;
redraw_later(NOT_VALID);
}
}
break;
/* "ze" - scroll screen, cursor at the end */
case 'e': if (!curwin->w_p_wrap) {
if (hasFolding(curwin->w_cursor.lnum, NULL, NULL))
col = 0; /* like the cursor is in col 0 */
else
getvcol(curwin, &curwin->w_cursor, NULL, NULL, &col);
n = curwin->w_width - curwin_col_off();
if ((long)col + p_siso < n)
col = 0;
else
col = col + p_siso - n + 1;
if (curwin->w_leftcol != col) {
curwin->w_leftcol = col;
redraw_later(NOT_VALID);
}
}
break;
/* "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(_("E352: 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;
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;
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;
case 'u': /* "zug" and "zuw": undo "zg" and "zw" */
++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);
break;
}
undo = TRUE;
/*FALLTHROUGH*/
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 */
{
char_u *ptr = NULL;
int len;
if (checkclearop(cap->oap))
break;
if (VIsual_active && get_visual_text(cap, &ptr, &len)
== FAIL)
return;
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, TRUE, 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;
spell_add_word(ptr, len, nchar == 'w' || nchar == 'W',
(nchar == 'G' || nchar == 'W')
? 0 : (int)cap->count1,
undo);
}
break;
case '=': /* "z=": suggestions for a badly spelled word */
if (!checkclearop(cap->oap))
spell_suggest((int)cap->count0);
break;
default: clearopbeep(cap->oap);
}
/* Redraw when 'foldenable' changed */
if (old_fen != curwin->w_p_fen) {
if (foldmethodIsDiff(curwin) && curwin->w_p_scb) {
/* Adjust 'foldenable' in diff-synced windows. */
FOR_ALL_WINDOWS_IN_TAB(wp, curtab) {
if (wp != curwin && foldmethodIsDiff(wp) && wp->w_p_scb) {
wp->w_p_fen = curwin->w_p_fen;
changed_window_setting_win(wp);
}
}
}
changed_window_setting();
}
/* Redraw when 'foldlevel' changed. */
if (old_fdl != curwin->w_p_fdl)
newFoldLevel();
}
/*
* "Q" command.
*/
static void nv_exmode(cmdarg_T *cap)
{
/*
* Ignore 'Q' in Visual mode, just give a beep.
*/
if (VIsual_active)
vim_beep();
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;
if (VIsual_active)
nv_operator(cap);
else {
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) {
/* 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 */
cmd_result = do_cmdline(NULL, getexline, NULL,
cap->oap->op_type != OP_NOP ? DOCMD_KEEPLINE : 0);
/* 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 >
(colnr_T)STRLEN(ml_get(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;
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)) {
/* Clear all syntax states to force resyncing. */
syn_stack_free_all(curwin->w_s);
redraw_later(CLEAR);
}
}
/*
* 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;
showmode();
restart_VIsual_select = 2; /* restart Select mode later */
} else {
cap->count1 = -cap->count1;
nv_pcmark(cap);
}
}
/*
* CTRL-^ command, short for ":e #"
*/
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)) {
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);
memset(&ca, 0, sizeof(ca));
ca.oap = &oa;
ca.cmdchar = c1;
ca.nchar = c2;
nv_ident(&ca);
}
/*
* 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;
char_u *newbuf;
char_u *p;
char_u *kp; /* value of 'keywordprg' */
int kp_help; /* 'keywordprg' is ":help" */
int n = 0; /* init for GCC */
int cmdchar;
int g_cmd; /* "g" command */
int tag_cmd = FALSE;
char_u *aux_ptr;
int isman;
int isman_s;
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);
buf = xmalloc(n * 2 + 30 + STRLEN(kp));
buf[0] = NUL;
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 - get_cursor_line_ptr());
if (!g_cmd && vim_iswordp(ptr))
STRCPY(buf, "\\<");
no_smartcase = TRUE; /* don't use 'smartcase' now */
break;
case 'K':
if (kp_help)
STRCPY(buf, "he! ");
else {
/* 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) {
EMSG(_(e_noident)); /* found dashes only */
free(buf);
return;
}
/* 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))
sprintf((char *)buf, ".,.+%" PRId64, (int64_t)(cap->count0 - 1));
STRCAT(buf, "! ");
if (cap->count0 == 0 && isman_s)
STRCAT(buf, "man");
else
STRCAT(buf, kp);
STRCAT(buf, " ");
if (cap->count0 != 0 && (isman || isman_s)) {
sprintf((char *)buf + STRLEN(buf), "%" PRId64, (int64_t)cap->count0);
STRCAT(buf, " ");
}
}
break;
case ']':
tag_cmd = TRUE;
if (p_cst)
STRCPY(buf, "cstag ");
else
STRCPY(buf, "ts ");
break;
default:
tag_cmd = TRUE;
if (curbuf->b_help)
STRCPY(buf, "he! ");
else {
if (g_cmd)
STRCPY(buf, "tj ");
else
sprintf((char *)buf, "%" PRId64 "ta ", (int64_t)cap->count0);
}
}
/*
* Now grab the chars in the identifier
*/
if (cmdchar == 'K' && !kp_help) {
/* Escape the argument properly for a shell command */
ptr = vim_strnsave(ptr, n);
p = vim_strsave_shellescape(ptr, true, true);
free(ptr);
newbuf = (char_u *)xrealloc(buf, STRLEN(buf) + STRLEN(p) + 1);
buf = newbuf;
STRCAT(buf, p);
free(p);
} else {
if (cmdchar == '*')
aux_ptr = (char_u *)(p_magic ? "/.*~[^$\\" : "/^$\\");
else if (cmdchar == '#')
aux_ptr = (char_u *)(p_magic ? "/?.*~[^$\\" : "/?^$\\");
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 + STRLEN(buf);
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;
}
/*
* Execute the command.
*/
if (cmdchar == '*' || cmdchar == '#') {
if (!g_cmd && (
has_mbyte ? vim_iswordp(mb_prevptr(get_cursor_line_ptr(), ptr)) :
vim_iswordc(ptr[-1])))
STRCAT(buf, "\\>");
/* put pattern in search history */
init_history();
add_to_history(HIST_SEARCH, buf, TRUE, NUL);
normal_search(cap, cmdchar == '*' ? '/' : '?', buf, 0);
} else
do_cmdline_cmd(buf);
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 = get_cursor_line_ptr();
*lenp = (int)STRLEN(*pp);
} else {
if (lt(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 (has_mbyte)
/* Correct the length to include the whole last character. */
*lenp += (*mb_ptr2len)(*pp + (*lenp - 1)) - 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;
linenr_T lnum;
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 {
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);
--curwin->w_cursor.lnum;
}
} else
curwin->w_cursor.lnum -= cap->count1 - 1;
}
} else {
if (cap->cmdchar == 'M') {
/* Don't count filler lines above the window. */
used -= diff_check_fill(curwin, curwin->w_topline)
- curwin->w_topfill;
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) {
/* 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;
}
used += plines(curwin->w_topline + n);
if (used >= half)
break;
if (hasFolding(curwin->w_topline + n, NULL, &lnum))
n = lnum - curwin->w_topline;
}
if (n > 0 && used > curwin->w_height)
--n;
} else { /* (cap->cmdchar == 'H') */
n = cap->count1 - 1;
if (hasAnyFolding(curwin)) {
/* Count a fold for one screen line. */
lnum = curwin->w_topline;
while (n-- > 0 && lnum < curwin->w_botline - 1) {
hasFolding(lnum, NULL, &lnum);
++lnum;
}
n = lnum - curwin->w_topline;
}
}
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;
}
cursor_correct(); /* correct for 'so' */
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 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 && *get_cursor_pos_ptr() == 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)(get_cursor_pos_ptr());
else
++curwin->w_cursor.col;
}
}
}
if (n != cap->count1 && (fdo_flags & FDO_HOR) && KeyTyped
&& cap->oap->op_type == OP_NOP)
foldOpenCursor();
}
/*
* 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 = get_cursor_pos_ptr();
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;
}
}
if (n != cap->count1 && (fdo_flags & FDO_HOR) && KeyTyped
&& cap->oap->op_type == OP_NOP)
foldOpenCursor();
}
/*
* 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);
} else {
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);
} else
/* In a quickfix window a <CR> jumps to the error under the cursor. */
if (bt_quickfix(curbuf) && cap->cmdchar == CAR)
if (curwin->w_llist_ref == NULL)
do_cmdline_cmd((char_u *)".cc"); /* quickfix window */
else
do_cmdline_cmd((char_u *)".ll"); /* location list window */
else {
/* In the cmdline window a <CR> executes the command. */
if (cmdwin_type != 0 && cap->cmdchar == CAR)
cmdwin_result = CAR;
else {
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 (text_locked()) {
clearopbeep(cap->oap);
text_locked_msg();
return;
}
if (curbuf_locked()) {
clearop(cap->oap);
return;
}
ptr = grab_file_name(cap->count1, &lnum);
if (ptr != NULL) {
/* do autowrite if necessary */
if (curbufIsChanged() && curbuf->b_nwindows <= 1 && !P_HID(curbuf))
autowrite(curbuf, FALSE);
setpcmark();
(void)do_ecmd(0, ptr, NULL, NULL, ECMD_LAST,
P_HID(curbuf) ? ECMD_HIDE : 0, curwin);
if (cap->nchar == 'F' && lnum >= 0) {
curwin->w_cursor.lnum = lnum;
check_cursor_lnum();
beginline(BL_SOL | BL_FIX);
}
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);
else if ((fdo_flags & FDO_HOR) && KeyTyped && cap->oap->op_type == OP_NOP)
foldOpenCursor();
}
/*
* 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;
if (cap->cmdchar == '?' && cap->oap->op_type == OP_ROT13) {
/* Translate "g??" to "g?g?" */
cap->cmdchar = 'g';
cap->nchar = '?';
nv_operator(cap);
return;
}
cap->searchbuf = getcmdline(cap->cmdchar, cap->count1, 0);
if (cap->searchbuf == NULL) {
clearop(oap);
return;
}
normal_search(cap, cap->cmdchar, cap->searchbuf,
(cap->arg ? 0 : SEARCH_MARK));
}
/*
* Handle "N" and "n" commands.
* cap->arg is SEARCH_REV for "N", 0 for "n".
*/
static void nv_next(cmdarg_T *cap)
{
normal_search(cap, 0, NULL, SEARCH_MARK | cap->arg);
}
/*
* Search for "pat" in direction "dir" ('/' or '?', 0 for repeat).
* Uses only cap->count1 and cap->oap from "cap".
*/
static void
normal_search (
cmdarg_T *cap,
int dir,
char_u *pat,
int opt /* extra flags for do_search() */
)
{
int i;
cap->oap->motion_type = MCHAR;
cap->oap->inclusive = FALSE;
cap->oap->use_reg_one = TRUE;
curwin->w_set_curswant = TRUE;
i = do_search(cap->oap, dir, pat, cap->count1,
opt | SEARCH_OPT | SEARCH_ECHO | SEARCH_MSG, NULL);
if (i == 0)
clearop(cap->oap);
else {
if (i == 2)
cap->oap->motion_type = MLINE;
curwin->w_cursor.coladd = 0;
if (cap->oap->op_type == OP_NOP && (fdo_flags & FDO_SEARCH) && KeyTyped)
foldOpenCursor();
}
/* "/$" will put the cursor after the end of the line, may need to
* correct that here */
check_cursor();
}
/*
* 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;
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);
else {
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);
if ((fdo_flags & FDO_HOR) && KeyTyped && cap->oap->op_type == OP_NOP)
foldOpenCursor();
}
}
/*
* "[" and "]" commands.
* cap->arg is BACKWARD for "[" and FORWARD for "]".
*/
static void nv_brackets(cmdarg_T *cap)
{
pos_T new_pos = INIT_POS_T(0, 0, 0);
pos_T prev_pos;
pos_T *pos = NULL; /* init for GCC */
pos_T old_pos; /* cursor position before command */
int flag;
long n;
int findc;
int c;
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
/*
* 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 {
find_pattern_in_path(ptr, 0, len, TRUE,
cap->count0 == 0 ? !isupper(cap->nchar) : FALSE,
((cap->nchar & 0xf) == ('d' & 0xf)) ? FIND_DEFINE : FIND_ANY,
cap->count1,
isupper(cap->nchar) ? ACTION_SHOW_ALL :
islower(cap->nchar) ? ACTION_SHOW : ACTION_GOTO,
cap->cmdchar == ']' ? curwin->w_cursor.lnum + 1 : (linenr_T)1,
(linenr_T)MAXLNUM);
curwin->w_set_curswant = TRUE;
}
} else
/*
* "[{", "[(", "]}" 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)) {
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;
if ((fdo_flags & FDO_BLOCK) && KeyTyped
&& cap->oap->op_type == OP_NOP)
foldOpenCursor();
}
}
/*
* "[[", "[]", "]]" 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);
if ((fdo_flags & FDO_BLOCK) && KeyTyped && cap->oap->op_type == OP_NOP)
foldOpenCursor();
}
}
/*
* "[p", "[P", "]P" and "]p": put with indent adjustment
*/
else if (cap->nchar == 'p' || cap->nchar == 'P') {
if (!checkclearop(cap->oap)) {
int dir = (cap->cmdchar == ']' && cap->nchar == 'p') ? FORWARD : BACKWARD;
int regname = cap->oap->regname;
int was_visual = VIsual_active;
int line_count = curbuf->b_ml.ml_line_count;
pos_T start, end;
if (VIsual_active) {
start = ltoreq(VIsual, curwin->w_cursor) ? VIsual : curwin->w_cursor;
end = equalpos(start, VIsual) ? curwin->w_cursor : VIsual;
curwin->w_cursor = (dir == BACKWARD ? start : end);
}
adjust_clipboard_register(&regname);
prep_redo_cmd(cap);
do_put(regname, dir, cap->count1, PUT_FIXINDENT);
if (was_visual) {
VIsual = start;
curwin->w_cursor = end;
if (dir == BACKWARD) {
/* adjust lines */
VIsual.lnum += curbuf->b_ml.ml_line_count - line_count;
curwin->w_cursor.lnum += curbuf->b_ml.ml_line_count - line_count;
}
VIsual_active = TRUE;
if (VIsual_mode == 'V') {
/* delete visually selected lines */
cap->cmdchar = 'd';
cap->nchar = NUL;
cap->oap->regname = regname;
nv_operator(cap);
do_pending_operator(cap, 0, FALSE);
}
if (VIsual_active) {
end_visual_mode();
redraw_later(SOME_VALID);
}
}
}
}
/*
* "['", "[`", "]'" 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);
}
/*
* "[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);
}
/*
* "[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);
}
/*
* "[s", "[S", "]s" and "]S": move to next spell error.
*/
else if (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' ? TRUE : FALSE, FALSE, NULL) == 0) {
clearopbeep(cap->oap);
break;
}
if (cap->oap->op_type == OP_NOP && (fdo_flags & FDO_SEARCH) && KeyTyped)
foldOpenCursor();
}
/* Not a valid cap->nchar. */
else
clearopbeep(cap->oap);
}
/*
* Handle Normal mode "%" command.
*/
static void nv_percent(cmdarg_T *cap)
{
pos_T *pos;
linenr_T lnum = curwin->w_cursor.lnum;
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 CTRL-G will give same value. Watch out for a
* large line count, the line number must not go negative! */
if (curbuf->b_ml.ml_line_count > 1000000)
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 > 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);
}
}
if (cap->oap->op_type == OP_NOP
&& lnum != curwin->w_cursor.lnum
&& (fdo_flags & FDO_PERCENT)
&& KeyTyped)
foldOpenCursor();
}
/*
* 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);
else {
/* Don't leave the cursor on the NUL past end of line. */
adjust_cursor(cap->oap);
curwin->w_cursor.coladd = 0;
if ((fdo_flags & FDO_BLOCK) && KeyTyped && cap->oap->op_type == OP_NOP)
foldOpenCursor();
}
}
/*
* "m" command: Mark a position.
*/
static void nv_mark(cmdarg_T *cap)
{
if (!checkclearop(cap->oap)) {
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);
else {
curwin->w_cursor.coladd = 0;
if ((fdo_flags & FDO_BLOCK) && KeyTyped && cap->oap->op_type == OP_NOP)
foldOpenCursor();
}
}
/*
* "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)) {
u_undo((int)cap->count1);
curwin->w_set_curswant = TRUE;
}
}
/*
* Handle the "r" command.
*/
static void nv_replace(cmdarg_T *cap)
{
char_u *ptr;
int had_ctrl_v;
long n;
if (checkclearop(cap->oap))
return;
/* get another character */
if (cap->nchar == Ctrl_V) {
had_ctrl_v = Ctrl_V;
cap->nchar = get_literal();
/* 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)
reset_VIsual();
if (had_ctrl_v) {
if (cap->nchar == '\r')
cap->nchar = -1;
else if (cap->nchar == '\n')
cap->nchar = -2;
}
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. */
ptr = get_cursor_pos_ptr();
if (STRLEN(ptr) < (unsigned)cap->count1
|| (has_mbyte && mb_charlen(ptr) < 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 = 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 {
/*
* Replace the characters within one line.
*/
for (n = cap->count1; n > 0; --n) {
/*
* Get ptr again, because u_save and/or showmatch() will have
* released the line. At the same time we let know that the
* line will be changed.
*/
ptr = ml_get_buf(curbuf, curwin->w_cursor.lnum, TRUE);
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)
ptr[curwin->w_cursor.col] = c;
} else
ptr[curwin->w_cursor.col] = cap->nchar;
if (p_sm && msg_silent == 0)
showmatch(cap->nchar);
++curwin->w_cursor.col;
}
/* 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);
} else if (!checkclearopq(cap->oap)) {
if (!curbuf->b_p_ma)
EMSG(_(e_modifiable));
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 */
} else if (!checkclearopq(cap->oap)) {
if (!curbuf->b_p_ma)
EMSG(_(e_modifiable));
else {
if (cap->extra_char == Ctrl_V) /* get another character */
cap->extra_char = get_literal();
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;
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;
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) {
++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;
}
}
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 (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)
{
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;
set_op_var(OP_DELETE);
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;
pos_T old_cursor = curwin->w_cursor;
int old_KeyTyped = KeyTyped; /* getting file may reset it */
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;
if (cap->oap->op_type == OP_NOP
&& pos != NULL
&& (pos == (pos_T *)-1 || !equalpos(old_cursor, *pos))
&& (fdo_flags & FDO_MARK)
&& old_KeyTyped)
foldOpenCursor();
}
/*
* Handle CTRL-O, CTRL-I, "g;" and "g," commands.
*/
static void nv_pcmark(cmdarg_T *cap)
{
pos_T *pos;
linenr_T lnum = curwin->w_cursor.lnum;
int old_KeyTyped = KeyTyped; /* getting file may reset it */
if (!checkclearopq(cap->oap)) {
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(_("E664: changelist is empty"));
else if (cap->count1 < 0)
EMSG(_("E662: At start of changelist"));
else
EMSG(_("E663: At end of changelist"));
} else
clearopbeep(cap->oap);
if (cap->oap->op_type == OP_NOP
&& (pos == (pos_T *)-1 || lnum != curwin->w_cursor.lnum)
&& (fdo_flags & FDO_MARK)
&& old_KeyTyped)
foldOpenCursor();
}
}
/*
* Handle '"' command.
*/
static void nv_regname(cmdarg_T *cap)
{
if (checkclearop(cap->oap))
return;
if (cap->nchar == '=')
cap->nchar = get_expr_register();
if (cap->nchar != NUL && valid_yank_reg(cap->nchar, FALSE)) {
cap->oap->regname = cap->nchar;
cap->opcount = cap->count0; /* remember count before '"' */
set_reg_var(cap->oap->regname);
} 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) {
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();
}
redraw_curbuf_later(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;
if (curwin->w_cursor.lnum > curbuf->b_ml.ml_line_count)
curwin->w_cursor.lnum = curbuf->b_ml.ml_line_count;
}
VIsual_mode = resel_VIsual_mode;
if (VIsual_mode == 'v') {
if (resel_VIsual_line_count <= 1) {
validate_virtcol();
curwin->w_curswant = curwin->w_virtcol
+ resel_VIsual_vcol * cap->count0 - 1;
} 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) {
validate_virtcol();
curwin->w_curswant = curwin->w_virtcol
+ resel_VIsual_vcol * cap->count0 - 1;
coladvance(curwin->w_curswant);
} else
curwin->w_set_curswant = TRUE;
redraw_curbuf_later(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 */
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.
*/
void may_start_select(int c)
{
VIsual_select = (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)
{
/* Check for redraw before changing the state. */
conceal_check_cursur_line();
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 hilighting.
*/
if (c == Ctrl_V && (ve_flags & VE_BLOCK) && gchar_cursor() == TAB) {
validate_virtcol();
coladvance(curwin->w_virtcol);
}
VIsual = curwin->w_cursor;
foldAdjustVisual();
setmouse();
/* Check for redraw after changing the state. */
conceal_check_cursur_line();
if (p_smd && msg_silent == 0)
redraw_cmdline = TRUE; /* show visual mode later */
/* Only need to redraw this line, unless still need to redraw an old
* Visual area (when 'lazyredraw' is set). */
if (curwin->w_redr_type < 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 (!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 *)"st");
}
/*
* Commands starting with "g".
*/
static void nv_g_cmd(cmdarg_T *cap)
{
oparg_T *oap = cap->oap;
pos_T tpos;
int i;
int flag = FALSE;
switch (cap->nchar) {
/*
* "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':
if (checkclearop(oap))
break;
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();
else {
/* 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;
curbuf->b_visual_mode_eval = i;
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;
else
may_start_select('c');
setmouse();
redraw_curbuf_later(INVERTED);
showmode();
}
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; also when
* in a closed fold */
if (!curwin->w_p_wrap
|| hasFolding(curwin->w_cursor.lnum, NULL, NULL)
) {
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; also when
* in a closed fold */
if (!curwin->w_p_wrap
|| hasFolding(curwin->w_cursor.lnum, NULL, NULL)
) {
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^" and "g$": Like "0", "^" and "$" but for screen lines.
* "gm": middle of "g0" and "g$".
*/
case '^':
flag = TRUE;
/* FALLTHROUGH */
case '0':
case 'm':
case K_HOME:
case K_KHOME:
oap->motion_type = MCHAR;
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();
validate_virtcol();
i = 0;
if (curwin->w_virtcol >= (colnr_T)width1 && width2 > 0)
i = (curwin->w_virtcol - width1) / width2 * width2 + width1;
} 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_set_curswant = TRUE;
break;
case '_':
/* "g_": to the last non-blank character in the line or <count> lines
* downward. */
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);
else {
char_u *ptr = get_cursor_line_ptr();
/* 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);
}
break;
case '$':
case K_END:
case K_KEND:
{
int col_off = curwin_col_off();
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();
validate_virtcol();
i = width1 - 1;
if (curwin->w_virtcol >= (colnr_T)width1)
i += ((curwin->w_virtcol - width1) / width2 + 1)
* width2;
coladvance((colnr_T)i);
/* Make sure we stick in this column. */
validate_virtcol();
curwin->w_curswant = curwin->w_virtcol;
curwin->w_set_curswant = FALSE;
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 > (colnr_T)i)
--curwin->w_cursor.col;
}
} else if (nv_screengo(oap, FORWARD, cap->count1 - 1) == FAIL)
clearopbeep(oap);
} else {
i = curwin->w_leftcol + curwin->w_width - col_off - 1;
coladvance((colnr_T)i);
/* Make sure we stick in this column. */
validate_virtcol();
curwin->w_curswant = curwin->w_virtcol;
curwin->w_set_curswant = FALSE;
}
}
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();
break;
/*
* "gi": start Insert at the last position.
*/
case 'i':
if (curbuf->b_last_insert.lnum != 0) {
curwin->w_cursor = curbuf->b_last_insert;
check_cursor_lnum();
i = (int)STRLEN(get_cursor_line_ptr());
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);
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);
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;
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_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;
/* "go": goto byte count from start of buffer */
case 'o':
goto_byte(cap->count0);
break;
/* "gQ": improved Ex mode */
case 'Q':
if (text_locked()) {
clearopbeep(cap->oap);
text_locked_msg();
break;
}
if (!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 '+':
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)
{
linenr_T oldline = curwin->w_cursor.lnum;
if (!checkclearopq(cap->oap)) {
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);
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)) {
if (curwin->w_p_cole > 0 && oldline != curwin->w_cursor.lnum)
update_single_line(curwin, oldline);
/* 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)) {
/*
* 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
*/
static void nv_redo(cmdarg_T *cap)
{
if (!checkclearopq(cap->oap)) {
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);
} else if (!checkclearopq(cap->oap)) {
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)
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);
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;
set_op_var(op_type);
}
}
/*
* 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);
}
}
/*
* 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);
else if ((fdo_flags & FDO_HOR) && KeyTyped && cap->oap->op_type == OP_NOP)
foldOpenCursor();
}
/*
* 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;
bool 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.
*/
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(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);
if ((fdo_flags & FDO_HOR) && KeyTyped && cap->oap->op_type == OP_NOP)
foldOpenCursor();
}
}
/*
* 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() && (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);
if ((fdo_flags & FDO_HOR) && KeyTyped && cap->oap->op_type == OP_NOP)
foldOpenCursor();
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(VIsual, curwin->w_cursor)) {
if (has_mbyte)
inc_cursor();
else
++curwin->w_cursor.col;
cap->oap->inclusive = FALSE;
}
}
/*
* 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.
*/
static int unadjust_for_sel(void)
{
pos_T *pp;
if (*p_sel == 'e' && !equalpos(VIsual, curwin->w_cursor)) {
if (lt(VIsual, curwin->w_cursor))
pp = &curwin->w_cursor;
else
pp = &VIsual;
if (pp->coladd > 0)
--pp->coladd;
else if (pp->col > 0) {
--pp->col;
mb_adjustpos(curbuf, pp);
} else if (pp->lnum > 1) {
--pp->lnum;
pp->col = (colnr_T)STRLEN(ml_get(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;
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);
if ((fdo_flags & FDO_JUMP) && KeyTyped && cap->oap->op_type == OP_NOP)
foldOpenCursor();
}
/*
* 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(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)
MSG(_("Type :quit<Enter> to exit Vim"));
/* 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;
}
}
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(INVERTED);
} else if (no_reason)
vim_beep();
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';
}
/*
* Handle "A", "a", "I", "i" and <Insert> commands.
*/
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'))
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);
} else if (!curbuf->b_p_ma && !p_im) {
/* Only give this error when 'insertmode' is off. */
EMSG(_(e_modifiable));
clearop(cap->oap);
} else if (!checkclearopq(cap->oap)) {
switch (cap->cmdchar) {
case 'A': /* "A"ppend after the line */
curwin->w_set_curswant = TRUE;
if (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 = INSERT;
coladvance((colnr_T)MAXCOL);
State = save_State;
} else
curwin->w_cursor.col += (colnr_T)STRLEN(get_cursor_pos_ptr());
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 '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
|| *get_cursor_pos_ptr() == NUL
|| *get_cursor_pos_ptr() == TAB))
curwin->w_cursor.coladd++;
else if (*get_cursor_pos_ptr() != 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 = INSERT;
coladvance(getviscol());
State = save_State;
}
invoke_edit(cap, FALSE, cap->cmdchar, FALSE);
}
}
/*
* 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;
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;
case 't': /* "at" = a tag block (xml and html) */
flag = current_tagblock(cap->oap, cap->count1, include);
break;
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;
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);
} else if (!checkclearop(cap->oap)) {
if (cap->nchar == ':' || cap->nchar == '/' || cap->nchar == '?') {
stuffcharReadbuff(cap->nchar);
stuffcharReadbuff(K_CMDWIN);
} else
/* (stop) recording into a named register, unless executing a
* register */
if (!Exec_reg && do_record(cap->nchar) == FAIL)
clearopbeep(cap->oap);
}
}
/*
* Handle the "@r" command.
*/
static void nv_at(cmdarg_T *cap)
{
if (checkclearop(cap->oap))
return;
if (cap->nchar == '=') {
if (get_expr_register() == NUL)
return;
}
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)
{
if ((cap->cmdchar == Ctrl_U && curwin->w_cursor.lnum == 1)
|| (cap->cmdchar == Ctrl_D
&& curwin->w_cursor.lnum == curbuf->b_ml.ml_line_count))
clearopbeep(cap->oap);
else if (!checkclearop(cap->oap))
halfpage(cap->cmdchar == Ctrl_D, cap->count0);
}
/*
* Handle "J" or "gJ" command.
*/
static void nv_join(cmdarg_T *cap)
{
if (VIsual_active) /* join the visual lines */
nv_operator(cap);
else if (!checkclearop(cap->oap)) {
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)
clearopbeep(cap->oap); /* beyond last line */
else {
prep_redo(cap->oap->regname, cap->count0,
NUL, cap->cmdchar, NUL, NUL, cap->nchar);
do_join(cap->count0, cap->nchar == NUL, TRUE, TRUE, true);
}
}
}
/*
* "P", "gP", "p" and "gp" commands.
*/
static void nv_put(cmdarg_T *cap)
{
int regname = 0;
void *reg1 = NULL, *reg2 = NULL;
int empty = FALSE;
int was_visual = FALSE;
int dir;
int flags = 0;
if (cap->oap->op_type != OP_NOP) {
/* "dp" is ":diffput" */
if (cap->oap->op_type == OP_DELETE && cap->cmdchar == 'p') {
clearop(cap->oap);
nv_diffgetput(TRUE);
} else
clearopbeep(cap->oap);
} else {
dir = (cap->cmdchar == 'P'
|| (cap->cmdchar == 'g' && cap->nchar == 'P'))
? BACKWARD : FORWARD;
prep_redo_cmd(cap);
if (cap->cmdchar == 'g')
flags |= PUT_CURSEND;
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;
bool adjusted = adjust_clipboard_register(&regname);
if (regname == 0 || regname == '"'
|| VIM_ISDIGIT(regname) || regname == '-'
|| adjusted
) {
/* The delete is going to overwrite the register we want to
* put, save it first. */
reg1 = get_register(regname, TRUE);
}
/* Now delete the selected text. */
cap->cmdchar = 'd';
cap->nchar = NUL;
cap->oap->regname = NUL;
nv_operator(cap);
do_pending_operator(cap, 0, FALSE);
empty = (curbuf->b_ml.ml_flags & ML_EMPTY);
/* 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, dir, cap->count1, flags);
/* If a register was saved, put it back now. */
if (reg2 != NULL)
put_register(regname, reg2);
/* What to reselect with "gv"? Selecting the just put text seems to
* be the most useful, since the original text was removed. */
if (was_visual) {
curbuf->b_visual.vi_start = curbuf->b_op_start;
curbuf->b_visual.vi_end = curbuf->b_op_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(curbuf->b_ml.ml_line_count, TRUE);
/* 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)
{
/* "do" is ":diffget" */
if (cap->oap->op_type == OP_DELETE && cap->cmdchar == 'o') {
clearop(cap->oap);
nv_diffgetput(FALSE);
} else if (VIsual_active) /* switch start and end of visual */
v_swap_corners(cap->cmdchar);
else
n_opencmd(cap);
}
/*
* 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 */
}
static void nv_event(cmdarg_T *cap)
{
event_process();
}
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