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neovim/src/nvim/normal.c

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// This is an open source non-commercial project. Dear PVS-Studio, please check
// it. PVS-Studio Static Code Analyzer for C, C++ and C#: http://www.viva64.com
//
// 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 <assert.h>
#include <inttypes.h>
#include <string.h>
#include <stdbool.h>
#include <stdlib.h>
#include "nvim/log.h"
#include "nvim/vim.h"
#include "nvim/ascii.h"
#include "nvim/normal.h"
#include "nvim/buffer.h"
#include "nvim/change.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/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/keymap.h"
#include "nvim/move.h"
#include "nvim/mouse.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/spellfile.h"
#include "nvim/strings.h"
#include "nvim/syntax.h"
#include "nvim/tag.h"
#include "nvim/ui.h"
#include "nvim/mouse.h"
#include "nvim/undo.h"
#include "nvim/window.h"
#include "nvim/state.h"
#include "nvim/event/loop.h"
#include "nvim/os/time.h"
#include "nvim/os/input.h"
#include "nvim/api/private/helpers.h"
typedef struct normal_state {
VimState state;
bool command_finished;
bool ctrl_w;
bool need_flushbuf;
bool set_prevcount;
bool previous_got_int; // `got_int` was true
bool cmdwin; // command-line window normal mode
bool noexmode; // true if the normal mode was pushed from
// ex mode(:global or :visual for example)
bool toplevel; // top-level normal mode
oparg_T oa; // operator arguments
cmdarg_T ca; // command arguments
int mapped_len;
int old_mapped_len;
int idx;
int c;
int old_col;
pos_T old_pos;
} NormalState;
/*
* 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
static inline void normal_state_init(NormalState *s)
{
memset(s, 0, sizeof(NormalState));
s->state.check = normal_check;
s->state.execute = normal_execute;
}
/*
* 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_EVENT, nv_event, NV_KEEPREG, 0 },
{ K_COMMAND, nv_colon, 0, 0 },
};
/* Number of commands in nv_cmds[]. */
#define NV_CMDS_SIZE ARRAY_SIZE(nv_cmds)
/* 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)
{
assert(NV_CMDS_SIZE <= SHRT_MAX);
/* Fill the index table with a one to one relation. */
for (short int i = 0; i < (short int)NV_CMDS_SIZE; ++i) {
nv_cmd_idx[i] = i;
}
/* Sort the commands by the command character. */
qsort(&nv_cmd_idx, NV_CMDS_SIZE, sizeof(short), nv_compare);
/* Find the first entry that can't be indexed by the command character. */
short int i;
for (i = 0; i < (short 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[]. */
assert(nv_max_linear < (int)NV_CMDS_SIZE);
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;
}
// Normal state entry point. This is called on:
//
// - Startup, In this case the function never returns.
// - The command-line window is opened(`q:`). Returns when `cmdwin_result` != 0.
// - The :visual command is called from :global in ex mode, `:global/PAT/visual`
// for example. Returns when re-entering ex mode(because ex mode recursion is
// not allowed)
//
// This used to be called main_loop on main.c
void normal_enter(bool cmdwin, bool noexmode)
{
NormalState state;
normal_state_init(&state);
state.cmdwin = cmdwin;
state.noexmode = noexmode;
state.toplevel = (!cmdwin || cmdwin_result == 0) && !noexmode;
state_enter(&state.state);
}
static void normal_prepare(NormalState *s)
{
memset(&s->ca, 0, sizeof(s->ca)); // also resets ca.retval
s->ca.oap = &s->oa;
// 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".
s->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).
int c = finish_op;
finish_op = (s->oa.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 && !s->oa.regname) {
s->ca.opcount = 0;
s->set_prevcount = true;
}
// Restore counts from before receiving K_EVENT. This means after
// typing "3", handling K_EVENT and then typing "2" we get "32", not
// "3 * 2".
if (s->oa.prev_opcount > 0 || s->oa.prev_count0 > 0) {
s->ca.opcount = s->oa.prev_opcount;
s->ca.count0 = s->oa.prev_count0;
s->oa.prev_opcount = 0;
s->oa.prev_count0 = 0;
}
s->mapped_len = typebuf_maplen();
State = NORMAL_BUSY;
// 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 (s->toplevel && readbuf1_empty()) {
set_vcount_ca(&s->ca, &s->set_prevcount);
}
}
static bool normal_handle_special_visual_command(NormalState *s)
{
// when 'keymodel' contains "stopsel" may stop Select/Visual mode
if (km_stopsel
&& (nv_cmds[s->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[s->idx].cmd_flags & NV_SS) {
unshift_special(&s->ca);
s->idx = find_command(s->ca.cmdchar);
if (s->idx < 0) {
// Just in case
clearopbeep(&s->oa);
return true;
}
} else if ((nv_cmds[s->idx].cmd_flags & NV_SSS)
&& (mod_mask & MOD_MASK_SHIFT)) {
mod_mask &= ~MOD_MASK_SHIFT;
}
}
return false;
}
static bool normal_need_additional_char(NormalState *s)
{
int flags = nv_cmds[s->idx].cmd_flags;
bool pending_op = s->oa.op_type != OP_NOP;
int cmdchar = s->ca.cmdchar;
// without NV_NCH we never need to check for an additional char
return flags & NV_NCH && (
// NV_NCH_NOP is set and no operator is pending, get a second char
((flags & NV_NCH_NOP) == NV_NCH_NOP && !pending_op)
// NV_NCH_ALW is set, always get a second char
|| (flags & NV_NCH_ALW) == NV_NCH_ALW
// 'q' without a pending operator, recording or executing a register,
// needs to be followed by a second char, examples:
// - qc => record using register c
// - q: => open command-line window
|| (cmdchar == 'q'
&& !pending_op
&& reg_recording == 0
&& reg_executing == 0)
// 'a' or 'i' after an operator is a text object, examples:
// - ciw => change inside word
// - da( => delete parenthesis and everything inside.
// Also, don't do anything when these keys are received in visual mode
// so just get another char.
//
// TODO(tarruda): Visual state needs to be refactored into a
// separate state that "inherits" from normal state.
|| ((cmdchar == 'a' || cmdchar == 'i') && (pending_op || VIsual_active)));
}
static bool normal_need_redraw_mode_message(NormalState *s)
{
return (
// 'showmode' is set and messages can be printed
((p_smd && msg_silent == 0
// must restart insert mode(ctrl+o or ctrl+l) or we just entered visual
// mode
&& (restart_edit != 0 || (VIsual_active
&& s->old_pos.lnum == curwin->w_cursor.lnum
&& s->old_pos.col == curwin->w_cursor.col))
// command-line must be cleared or redrawn
&& (clear_cmdline || redraw_cmdline)
// some message was printed or scrolled
&& (msg_didout || (msg_didany && msg_scroll))
// it is fine to remove the current message
&& !msg_nowait
// the command was the result of direct user input and not a mapping
&& KeyTyped)
// must restart insert mode, not in visual mode and error message is
// being shown
|| (restart_edit != 0 && !VIsual_active && msg_scroll
&& emsg_on_display))
// no register was used
&& s->oa.regname == 0
&& !(s->ca.retval & CA_COMMAND_BUSY)
&& stuff_empty()
&& typebuf_typed()
&& emsg_silent == 0
&& !did_wait_return
&& s->oa.op_type == OP_NOP);
}
static void normal_redraw_mode_message(NormalState *s)
{
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((const char *)kmsg, keep_msg_attr);
xfree(kmsg);
}
setcursor();
ui_flush();
if (msg_scroll || emsg_on_display) {
os_delay(1000L, true); // wait at least one second
}
os_delay(3000L, false); // wait up to three seconds
State = save_State;
msg_scroll = false;
emsg_on_display = false;
}
// TODO(tarruda): Split into a "normal pending" state that can handle K_EVENT
static void normal_get_additional_char(NormalState *s)
{
int *cp;
bool repl = false; // get character for replace mode
bool lit = false; // get extra character literally
bool langmap_active = false; // using :lmap mappings
int lang; // getting a text character
no_mapping++;
// Don't generate a CursorHold event here, most commands can't handle
// it, e.g., nv_replace(), nv_csearch().
did_cursorhold = true;
if (s->ca.cmdchar == 'g') {
// For 'g' get the next character now, so that we can check for
// "gr", "g'" and "g`".
s->ca.nchar = plain_vgetc();
LANGMAP_ADJUST(s->ca.nchar, true);
s->need_flushbuf |= add_to_showcmd(s->ca.nchar);
if (s->ca.nchar == 'r' || s->ca.nchar == '\'' || s->ca.nchar == '`'
|| s->ca.nchar == Ctrl_BSL) {
cp = &s->ca.extra_char; // need to get a third character
if (s->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 (s->ca.cmdchar == 'r') {
// get it in replace mode
repl = true;
}
cp = &s->ca.nchar;
}
lang = (repl || (nv_cmds[s->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--;
if (repl) {
State = LREPLACE;
} else {
State = LANGMAP;
}
langmap_active = true;
}
*cp = plain_vgetc();
if (langmap_active) {
// Undo the decrement done above
no_mapping++;
}
State = NORMAL_BUSY;
s->need_flushbuf |= add_to_showcmd(*cp);
if (!lit) {
// Typing CTRL-K gets a digraph.
if (*cp == Ctrl_K && ((nv_cmds[s->idx].cmd_flags & NV_LANG)
|| cp == &s->ca.extra_char)
&& vim_strchr(p_cpo, CPO_DIGRAPH) == NULL) {
s->c = get_digraph(false);
if (s->c > 0) {
*cp = s->c;
// Guessing how to update showcmd here...
del_from_showcmd(3);
s->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);
}
}
// When the next character is CTRL-\ a following CTRL-N means the
// command is aborted and we go to Normal mode.
if (cp == &s->ca.extra_char
&& s->ca.nchar == Ctrl_BSL
&& (s->ca.extra_char == Ctrl_N || s->ca.extra_char == Ctrl_G)) {
s->ca.cmdchar = Ctrl_BSL;
s->ca.nchar = s->ca.extra_char;
s->idx = find_command(s->ca.cmdchar);
} else if ((s->ca.nchar == 'n' || s->ca.nchar == 'N')
&& s->ca.cmdchar == 'g') {
s->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 ((s->c = vpeekc()) <= 0 && towait > 0L) {
do_sleep(towait > 50L ? 50L : towait);
towait -= 50L;
}
if (s->c > 0) {
s->c = plain_vgetc();
if (s->c != Ctrl_N && s->c != Ctrl_G) {
vungetc(s->c);
} else {
s->ca.cmdchar = Ctrl_BSL;
s->ca.nchar = s->c;
s->idx = find_command(s->ca.cmdchar);
assert(s->idx >= 0);
}
}
}
// 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 && (s->c = vpeekc()) > 0
&& (s->c >= 0x100 || MB_BYTE2LEN(vpeekc()) > 1)) {
s->c = plain_vgetc();
if (!utf_iscomposing(s->c)) {
vungetc(s->c); /* it wasn't, put it back */
break;
} else if (s->ca.ncharC1 == 0) {
s->ca.ncharC1 = s->c;
} else {
s->ca.ncharC2 = s->c;
}
}
no_mapping++;
}
no_mapping--;
}
static void normal_invert_horizontal(NormalState *s)
{
switch (s->ca.cmdchar) {
case 'l': s->ca.cmdchar = 'h'; break;
case K_RIGHT: s->ca.cmdchar = K_LEFT; break;
case K_S_RIGHT: s->ca.cmdchar = K_S_LEFT; break;
case K_C_RIGHT: s->ca.cmdchar = K_C_LEFT; break;
case 'h': s->ca.cmdchar = 'l'; break;
case K_LEFT: s->ca.cmdchar = K_RIGHT; break;
case K_S_LEFT: s->ca.cmdchar = K_S_RIGHT; break;
case K_C_LEFT: s->ca.cmdchar = K_C_RIGHT; break;
case '>': s->ca.cmdchar = '<'; break;
case '<': s->ca.cmdchar = '>'; break;
}
s->idx = find_command(s->ca.cmdchar);
}
static bool normal_get_command_count(NormalState *s)
{
if (VIsual_active && VIsual_select) {
return false;
}
// 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 ((s->c >= '1' && s->c <= '9') || (s->ca.count0 != 0
&& (s->c == K_DEL || s->c == K_KDEL || s->c == '0'))) {
if (s->c == K_DEL || s->c == K_KDEL) {
s->ca.count0 /= 10;
del_from_showcmd(4); // delete the digit and ~@%
} else {
s->ca.count0 = s->ca.count0 * 10 + (s->c - '0');
}
if (s->ca.count0 < 0) {
// got too large!
s->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 (s->toplevel && readbuf1_empty()) {
set_vcount_ca(&s->ca, &s->set_prevcount);
}
if (s->ctrl_w) {
no_mapping++;
}
++no_zero_mapping; // don't map zero here
s->c = plain_vgetc();
LANGMAP_ADJUST(s->c, true);
--no_zero_mapping;
if (s->ctrl_w) {
no_mapping--;
}
s->need_flushbuf |= add_to_showcmd(s->c);
}
// If we got CTRL-W there may be a/another count
if (s->c == Ctrl_W && !s->ctrl_w && s->oa.op_type == OP_NOP) {
s->ctrl_w = true;
s->ca.opcount = s->ca.count0; // remember first count
s->ca.count0 = 0;
no_mapping++;
s->c = plain_vgetc(); // get next character
LANGMAP_ADJUST(s->c, true);
no_mapping--;
s->need_flushbuf |= add_to_showcmd(s->c);
return true;
}
return false;
}
static void normal_finish_command(NormalState *s)
{
if (s->command_finished) {
goto normal_end;
}
// If we didn't start or finish an operator, reset oap->regname, unless we
// need it later.
if (!finish_op
&& !s->oa.op_type
&& (s->idx < 0 || !(nv_cmds[s->idx].cmd_flags & NV_KEEPREG))) {
clearop(&s->oa);
set_reg_var(get_default_register_name());
}
// Get the length of mapped chars again after typing a count, second
// character or "z333<cr>".
if (s->old_mapped_len > 0) {
s->old_mapped_len = typebuf_maplen();
}
// If an operation is pending, handle it...
do_pending_operator(&s->ca, s->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 (normal_need_redraw_mode_message(s)) {
normal_redraw_mode_message(s);
}
// Finish up after executing a Normal mode command.
normal_end:
msg_nowait = false;
// Reset finish_op, in case it was set
s->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 (s->c || s->ca.cmdchar == 'r') {
ui_cursor_shape(); // may show different cursor shape
}
if (s->oa.op_type == OP_NOP && s->oa.regname == 0
&& s->ca.cmdchar != K_EVENT) {
clear_showcmd();
}
checkpcmark(); // check if we moved since setting pcmark
xfree(s->ca.searchbuf);
mb_check_adjust_col(curwin); // #6203
if (curwin->w_p_scb && s->toplevel) {
validate_cursor(); // may need to update w_leftcol
do_check_scrollbind(true);
}
if (curwin->w_p_crb && s->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 (s->oa.op_type == OP_NOP
&& ((restart_edit != 0 && !VIsual_active && s->old_mapped_len == 0)
|| restart_VIsual_select == 1)
&& !(s->ca.retval & CA_COMMAND_BUSY)
&& stuff_empty()
&& s->oa.regname == 0) {
if (restart_VIsual_select == 1) {
VIsual_select = true;
showmode();
restart_VIsual_select = 0;
}
if (restart_edit != 0 && !VIsual_active && s->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 = s->ca.opcount;
}
static int normal_execute(VimState *state, int key)
{
NormalState *s = (NormalState *)state;
s->command_finished = false;
s->ctrl_w = false; /* got CTRL-W command */
s->old_col = curwin->w_curswant;
s->c = key;
LANGMAP_ADJUST(s->c, get_real_state() != SELECTMODE);
// 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) {
s->old_mapped_len = 0;
} else if (s->old_mapped_len || (VIsual_active && s->mapped_len == 0
&& typebuf_maplen() > 0)) {
s->old_mapped_len = typebuf_maplen();
}
if (s->c == NUL) {
s->c = K_ZERO;
}
// In Select mode, typed text replaces the selection.
if (VIsual_active && VIsual_select && (vim_isprintc(s->c)
|| s->c == NL || s->c == CAR || s->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(s->c);
if (restart_edit != 0) {
s->c = 'd';
} else {
s->c = 'c';
}
msg_nowait = true; // don't delay going to insert mode
s->old_mapped_len = 0; // do go to Insert mode
}
s->need_flushbuf = add_to_showcmd(s->c);
while (normal_get_command_count(s)) continue;
if (s->c == K_EVENT) {
// Save the count values so that ca.opcount and ca.count0 are exactly
// the same when coming back here after handling K_EVENT.
s->oa.prev_opcount = s->ca.opcount;
s->oa.prev_count0 = s->ca.count0;
} else if (s->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 (s->ca.count0) {
s->ca.count0 *= s->ca.opcount;
} else {
s->ca.count0 = s->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.
s->ca.opcount = s->ca.count0;
s->ca.count1 = (s->ca.count0 == 0 ? 1 : s->ca.count0);
// Only set v:count when called from main() and not a stuffed command.
// Do set it for redo.
if (s->toplevel && readbuf1_empty()) {
set_vcount(s->ca.count0, s->ca.count1, s->set_prevcount);
}
// Find the command character in the table of commands.
// For CTRL-W we already got nchar when looking for a count.
if (s->ctrl_w) {
s->ca.nchar = s->c;
s->ca.cmdchar = Ctrl_W;
} else {
s->ca.cmdchar = s->c;
}
s->idx = find_command(s->ca.cmdchar);
if (s->idx < 0) {
// Not a known command: beep.
clearopbeep(&s->oa);
s->command_finished = true;
goto finish;
}
if (text_locked() && (nv_cmds[s->idx].cmd_flags & NV_NCW)) {
// This command is not allowed while editing a cmdline: beep.
clearopbeep(&s->oa);
text_locked_msg();
s->command_finished = true;
goto finish;
}
if ((nv_cmds[s->idx].cmd_flags & NV_NCW) && curbuf_locked()) {
s->command_finished = true;
goto finish;
}
// In Visual/Select mode, a few keys are handled in a special way.
if (VIsual_active && normal_handle_special_visual_command(s)) {
s->command_finished = true;
goto finish;
}
if (curwin->w_p_rl && KeyTyped && !KeyStuffed
&& (nv_cmds[s->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".
normal_invert_horizontal(s);
}
// Get an additional character if we need one.
if (normal_need_additional_char(s)) {
normal_get_additional_char(s);
}
// 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 (s->need_flushbuf) {
ui_flush();
}
if (s->ca.cmdchar != K_IGNORE && s->ca.cmdchar != K_EVENT) {
did_cursorhold = false;
}
State = NORMAL;
if (s->ca.nchar == ESC) {
clearop(&s->oa);
if (restart_edit == 0 && goto_im()) {
restart_edit = 'a';
}
s->command_finished = true;
goto finish;
}
if (s->ca.cmdchar != K_IGNORE) {
msg_didout = false; // don't scroll screen up for normal command
msg_col = 0;
}
s->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[s->idx].cmd_flags & NV_SS) {
start_selection();
unshift_special(&s->ca);
s->idx = find_command(s->ca.cmdchar);
assert(s->idx >= 0);
} else if ((nv_cmds[s->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.
s->ca.arg = nv_cmds[s->idx].cmd_arg;
(nv_cmds[s->idx].cmd_func)(&s->ca);
finish:
normal_finish_command(s);
return 1;
}
static void normal_check_stuff_buffer(NormalState *s)
{
if (stuff_empty()) {
did_check_timestamps = false;
if (need_check_timestamps) {
check_timestamps(false);
}
if (need_wait_return) {
// if wait_return still needed call it now
wait_return(false);
}
if (need_start_insertmode && goto_im() && !VIsual_active) {
need_start_insertmode = false;
stuffReadbuff("i"); // start insert mode next
// skip the fileinfo message now, because it would be shown
// after insert mode finishes!
need_fileinfo = false;
}
}
}
static void normal_check_interrupt(NormalState *s)
{
// Reset "got_int" now that we got back to the main loop. Except when
// inside a ":g/pat/cmd" command, then the "got_int" needs to abort
// the ":g" command.
// For ":g/pat/vi" we reset "got_int" when used once. When used
// a second time we go back to Ex mode and abort the ":g" command.
if (got_int) {
if (s->noexmode && global_busy && !exmode_active
&& s->previous_got_int) {
// Typed two CTRL-C in a row: go back to ex mode as if "Q" was
// used and keep "got_int" set, so that it aborts ":g".
exmode_active = EXMODE_NORMAL;
State = NORMAL;
} else if (!global_busy || !exmode_active) {
if (!quit_more) {
// flush all buffers
(void)vgetc();
}
got_int = false;
}
s->previous_got_int = true;
} else {
s->previous_got_int = false;
}
}
static void normal_check_cursor_moved(NormalState *s)
{
// Trigger CursorMoved if the cursor moved.
if (!finish_op && (has_event(EVENT_CURSORMOVED) || curwin->w_p_cole > 0)
&& !equalpos(curwin->w_last_cursormoved, curwin->w_cursor)) {
if (has_event(EVENT_CURSORMOVED)) {
apply_autocmds(EVENT_CURSORMOVED, NULL, NULL, false, curbuf);
}
curwin->w_last_cursormoved = curwin->w_cursor;
}
}
static void normal_check_text_changed(NormalState *s)
{
// Trigger TextChanged if changedtick differs.
if (!finish_op && has_event(EVENT_TEXTCHANGED)
&& curbuf->b_last_changedtick != buf_get_changedtick(curbuf)) {
apply_autocmds(EVENT_TEXTCHANGED, NULL, NULL, false, curbuf);
curbuf->b_last_changedtick = buf_get_changedtick(curbuf);
}
}
static void normal_check_folds(NormalState *s)
{
// Include a closed fold completely in the Visual area.
foldAdjustVisual();
// When 'foldclose' is set, apply 'foldlevel' to folds that don't
// contain the cursor.
// When 'foldopen' is "all", open the fold(s) under the cursor.
// This may mark the window for redrawing.
if (hasAnyFolding(curwin) && !char_avail()) {
foldCheckClose();
if (fdo_flags & FDO_ALL) {
foldOpenCursor();
}
}
}
static void normal_redraw(NormalState *s)
{
// Before redrawing, make sure w_topline is correct, and w_leftcol
// if lines don't wrap, and w_skipcol if lines wrap.
update_topline();
validate_cursor();
// If the cursor moves horizontally when 'concealcursor' is active, then the
// current line needs to be redrawn in order to calculate the correct
// cursor position.
if (curwin->w_p_cole > 0 && conceal_cursor_line(curwin)) {
redrawWinline(curwin, curwin->w_cursor.lnum);
}
if (VIsual_active) {
update_curbuf(INVERTED); // update inverted part
} else if (must_redraw) {
update_screen(0);
} else if (redraw_cmdline || clear_cmdline) {
showmode();
}
redraw_statuslines();
if (need_maketitle) {
maketitle();
}
// Display message after redraw. If an external message is still visible,
// it contains the kept message already.
if (keep_msg != NULL && !msg_ext_is_visible()) {
// msg_attr_keep() will set keep_msg to NULL, must free the string here.
// Don't reset keep_msg, msg_attr_keep() uses it to check for duplicates.
char *p = (char *)keep_msg;
msg_attr(p, keep_msg_attr);
xfree(p);
}
// show fileinfo after redraw
if (need_fileinfo && !shortmess(SHM_FILEINFO)) {
fileinfo(false, true, false);
need_fileinfo = false;
}
emsg_on_display = false; // can delete error message now
did_emsg = false;
msg_didany = false; // reset lines_left in msg_start()
may_clear_sb_text(); // clear scroll-back text on next msg
showruler(false);
setcursor();
}
// Function executed before each iteration of normal mode.
// Return:
// 1 if the iteration should continue normally
// -1 if the iteration should be skipped
// 0 if the main loop must exit
static int normal_check(VimState *state)
{
NormalState *s = (NormalState *)state;
normal_check_stuff_buffer(s);
normal_check_interrupt(s);
if (!exmode_active) {
msg_scroll = false;
}
quit_more = false;
// If skip redraw is set (for ":" in wait_return()), don't redraw now.
// If there is nothing in the stuff_buffer or do_redraw is TRUE,
// update cursor and redraw.
if (skip_redraw || exmode_active) {
skip_redraw = false;
} else if (do_redraw || stuff_empty()) {
normal_check_cursor_moved(s);
normal_check_text_changed(s);
// Updating diffs from changed() does not always work properly,
// esp. updating folds. Do an update just before redrawing if
// needed.
if (curtab->tp_diff_update || curtab->tp_diff_invalid) {
ex_diffupdate(NULL);
curtab->tp_diff_update = false;
}
// Scroll-binding for diff mode may have been postponed until
// here. Avoids doing it for every change.
if (diff_need_scrollbind) {
check_scrollbind((linenr_T)0, 0L);
diff_need_scrollbind = false;
}
normal_check_folds(s);
normal_redraw(s);
do_redraw = false;
// Now that we have drawn the first screen all the startup stuff
// has been done, close any file for startup messages.
if (time_fd != NULL) {
TIME_MSG("first screen update");
TIME_MSG("--- NVIM STARTED ---");
fclose(time_fd);
time_fd = NULL;
}
}
// May perform garbage collection when waiting for a character, but
// only at the very toplevel. Otherwise we may be using a List or
// Dict internally somewhere.
// "may_garbage_collect" is reset in vgetc() which is invoked through
// do_exmode() and normal_cmd().
may_garbage_collect = !s->cmdwin && !s->noexmode;
// Update w_curswant if w_set_curswant has been set.
// Postponed until here to avoid computing w_virtcol too often.
update_curswant();
if (exmode_active) {
if (s->noexmode) {
return 0;
}
do_exmode(exmode_active == EXMODE_VIM);
return -1;
}
if (s->cmdwin && cmdwin_result != 0) {
// command-line window and cmdwin_result is set
return 0;
}
normal_prepare(s);
return 1;
}
/*
* 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, bool *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.
// "gui_yank" is true when yanking text for the clipboard.
void do_pending_operator(cmdarg_T *cap, int old_col, bool gui_yank)
{
oparg_T *oap = cap->oap;
pos_T old_cursor;
bool empty_region_error;
int restart_edit_save;
int lbr_saved = curwin->w_p_lbr;
// 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
static int redo_VIsual_arg; // extra argument
bool 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) {
// Yank can be redone when 'y' is in 'cpoptions', but not when yanking
// for the clipboard.
const bool redo_yank = vim_strchr(p_cpo, CPO_YANK) != NULL && !gui_yank;
// Avoid a problem with unwanted linebreaks in block mode
if (curwin->w_p_lbr) {
curwin->w_valid &= ~VALID_VIRTCOL;
}
curwin->w_p_lbr = false;
oap->is_VIsual = VIsual_active;
if (oap->motion_force == 'V') {
oap->motion_type = kMTLineWise;
} 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 == kMTLineWise) {
oap->inclusive = false;
} else if (oap->motion_type == kMTCharWise) {
// If the motion already was characterwise, toggle "inclusive"
oap->inclusive = !oap->inclusive;
}
oap->motion_type = kMTCharWise;
} else if (oap->motion_force == Ctrl_V) {
// Change line- or characterwise motion into Visual block mode.
if (!VIsual_active) {
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 ((redo_yank || oap->op_type != OP_YANK)
&& ((!VIsual_active || oap->motion_force)
// Also redo Operator-pending Visual mode mappings.
|| (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 == ':' || cap->cmdchar == K_COMMAND) {
// 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);
XFREE_CLEAR(repeat_cmdline);
}
}
}
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;
cap->count1 = (cap->count0 == 0 ? 1 : cap->count0);
} 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.
// Special case: gH<Del> deletes the last line.
if (VIsual_select && VIsual_mode == 'V'
&& cap->oap->op_type != OP_DELETE) {
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;
oap->start.coladd = 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 ((curwin->w_cursor.col > 0 || oap->inclusive)
&& 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 == kMTLineWise) {
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;
}
// Just in case lines were deleted that make the position invalid.
check_pos(curwin->w_buffer, &oap->end);
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) {
get_op_vcol(oap, redo_VIsual_vcol, true);
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 ((redo_yank || 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 != ':') {
int nchar = oap->op_type == OP_REPLACE ? cap->nchar : NUL;
// reverse what nv_replace() did
if (nchar == REPLACE_CR_NCHAR) {
nchar = CAR;
} else if (nchar == REPLACE_NL_NCHAR) {
nchar = NL;
}
prep_redo(oap->regname, 0L, NUL, 'v', get_op_char(oap->op_type),
get_extra_op_char(oap->op_type), nchar);
}
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;
redo_VIsual_arg = cap->arg;
}
}
// 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 == kMTLineWise) {
oap->inclusive = true;
}
if (VIsual_mode == 'V') {
oap->motion_type = kMTLineWise;
} else if (VIsual_mode == 'v') {
oap->motion_type = kMTCharWise;
if (*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)
&& oap->end.lnum < curbuf->b_ml.ml_line_count) {
oap->end.lnum++;
oap->end.col = 0;
oap->end.coladd = 0;
oap->line_count++;
}
}
}
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;
may_clear_cmdline();
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) {
// Make sure redrawing is correct.
curwin->w_p_lbr = lbr_saved;
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 != kMTLineWise
&& (!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 || !MODIFIABLE(curbuf)
|| oap->op_type == OP_FOLD
)) {
curwin->w_p_lbr = lbr_saved;
redraw_curbuf_later(INVERTED);
}
/*
* If the end of an operator is in column one while oap->motion_type
* is kMTCharWise 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 == kMTCharWise
&& oap->inclusive == false
&& !(cap->retval & CA_NO_ADJ_OP_END)
&& oap->end.col == 0
&& (!oap->is_VIsual || *p_sel == 'o')
&& 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 = kMTLineWise;
} 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((size_t)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(BO_OPER);
CancelRedo();
} else {
(void)op_delete(oap);
if (oap->motion_type == kMTLineWise && has_format_option(FO_AUTO)) {
// cursor line wasn't saved yet
if (u_save_cursor() == FAIL) {
break;
}
}
auto_format(false, true);
}
break;
case OP_YANK:
if (empty_region_error) {
if (!gui_yank) {
vim_beep(BO_OPER);
CancelRedo();
}
} else {
curwin->w_p_lbr = lbr_saved;
(void)op_yank(oap, !gui_yank, false);
}
check_cursor_col();
break;
case OP_CHANGE:
VIsual_reselect = false; /* don't reselect now */
if (empty_region_error) {
vim_beep(BO_OPER);
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;
// Restore linebreak, so that when the user edits it looks as before.
if (curwin->w_p_lbr != lbr_saved) {
curwin->w_p_lbr = lbr_saved;
get_op_vcol(oap, redo_VIsual_mode, false);
}
// 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("!\r"); // Use any last used !cmd.
} else {
bangredo = true; // do_bang() will put cmd in redo buffer.
}
FALLTHROUGH;
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(BO_OPER);
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 || *curbuf->b_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:
// Restore linebreak, so that when the user edits it looks as
// before.
curwin->w_p_lbr = lbr_saved;
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(BO_OPER);
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;
// Restore linebreak, so that when the user edits it looks as before.
if (curwin->w_p_lbr != lbr_saved) {
curwin->w_p_lbr = lbr_saved;
get_op_vcol(oap, redo_VIsual_mode, false);
}
op_insert(oap, cap->count1);
// Reset linebreak, so that formatting works correctly.
curwin->w_p_lbr = false;
/* TODO: when inserting in several lines, should format all
* the lines. */
auto_format(false, true);
if (restart_edit == 0) {
restart_edit = restart_edit_save;
} else {
cap->retval |= CA_COMMAND_BUSY;
}
}
break;
case OP_REPLACE:
VIsual_reselect = false; /* don't reselect now */
if (empty_region_error) {
vim_beep(BO_OPER);
CancelRedo();
} else {
// Restore linebreak, so that when the user edits it looks as before.
if (curwin->w_p_lbr != lbr_saved) {
curwin->w_p_lbr = lbr_saved;
get_op_vcol(oap, redo_VIsual_mode, false);
}
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;
case OP_NR_ADD:
case OP_NR_SUB:
if (empty_region_error) {
vim_beep(BO_OPER);
CancelRedo();
} else {
VIsual_active = true;
curwin->w_p_lbr = lbr_saved;
op_addsub(oap, cap->count1, redo_VIsual_arg);
VIsual_active = false;
}
check_cursor_col();
break;
default:
clearopbeep(oap);
}
virtual_op = kNone;
if (!gui_yank) {
/*
* if 'sol' not set, go back to old column for some commands
*/
if (!p_sol && oap->motion_type == kMTLineWise && !oap->end_adjusted
&& (oap->op_type == OP_LSHIFT || oap->op_type == OP_RSHIFT
|| oap->op_type == OP_DELETE)) {
curwin->w_p_lbr = false;
coladvance(curwin->w_curswant = old_col);
}
} else {
curwin->w_cursor = old_cursor;
}
clearop(oap);
motion_force = NUL;
}
curwin->w_p_lbr = lbr_saved;
}
/*
* Handle indent and format operators and visual mode ":".
*/
static void op_colon(oparg_T *oap)
{
stuffcharReadbuff(':');
if (oap->is_VIsual) {
stuffReadbuff("'<,'>");
} 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(".+");
stuffnumReadbuff(oap->line_count - 1);
} else {
stuffnumReadbuff((long)oap->end.lnum);
}
}
}
if (oap->op_type != OP_COLON) {
stuffReadbuff("!");
}
if (oap->op_type == OP_INDENT) {
stuffReadbuff((const char *)get_equalprg());
stuffReadbuff("\n");
} else if (oap->op_type == OP_FORMAT) {
if (*curbuf->b_p_fp != NUL) {
stuffReadbuff((const char *)curbuf->b_p_fp);
} else if (*p_fp != NUL) {
stuffReadbuff((const char *)p_fp);
} else {
stuffReadbuff("fmt");
}
stuffReadbuff("\n']");
}
/*
* do_cmdline() does the rest
*/
}
/*
* Handle the "g@" operator: call 'operatorfunc'.
*/
static void op_function(const oparg_T *oap)
FUNC_ATTR_NONNULL_ALL
{
const TriState 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 != kMTLineWise && !oap->inclusive) {
// Exclude the end position.
decl(&curbuf->b_op_end);
}
typval_T argv[2];
argv[0].v_type = VAR_STRING;
argv[1].v_type = VAR_UNKNOWN;
argv[0].vval.v_string =
(char_u *)(((const char *const[]) {
[kMTBlockWise] = "block",
[kMTLineWise] = "line",
[kMTCharWise] = "char",
})[oap->motion_type]);
// Reset virtual_op so that 'virtualedit' can be changed in the
// function.
virtual_op = kNone;
(void)call_func_retnr(p_opfunc, 1, argv);
virtual_op = save_virtual_op;
}
}
// Move the current tab to tab in same column as mouse or to end of the
// tabline if there is no tab there.
static void move_tab_to_mouse(void)
{
int tabnr = tab_page_click_defs[mouse_col].tabnr;
if (tabnr <= 0) {
tabpage_move(9999);
} else if (tabnr < tabpage_index(curtab)) {
tabpage_move(tabnr - 1);
} else {
tabpage_move(tabnr);
}
}
/*
* 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.
*/
bool
do_mouse (
oparg_T *oap, /* operator argument, can be NULL */
int c, /* K_LEFTMOUSE, etc */
int dir, /* Direction to 'put' if necessary */
long count,
bool fixindent /* PUT_FIXINDENT if fixing indent necessary */
)
{
static bool got_click = false; /* got a click some time back */
int which_button; /* MOUSE_LEFT, _MIDDLE or _RIGHT */
bool is_click; /* If false it's a drag or release event */
bool is_drag; /* If true it's a drag event */
int jump_flags = 0; /* flags for jump_to_mouse() */
pos_T start_visual;
bool moved; /* Has cursor moved? */
bool in_status_line; /* mouse in status line */
static bool in_tab_line = false; /* mouse clicked in tab line */
bool 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;
long diff;
int old_active = VIsual_active;
int old_mode = VIsual_mode;
int regname;
save_cursor = curwin->w_cursor;
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_grid = mouse_grid;
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_grid = save_mouse_grid;
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("\"+p");
} else {
stuffcharReadbuff('y');
stuffcharReadbuff(K_MIDDLEMOUSE);
}
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 (regname == 0 && eval_has_provider("clipboard")) {
regname = '*';
}
if ((State & REPLACE_FLAG) && !yank_register_mline(regname)) {
insert_reg(regname, true);
} else {
do_put(regname, NULL, BACKWARD, 1L,
(fixindent ? PUT_FIXINDENT : 0) | 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) {
move_tab_to_mouse();
}
return false;
}
/* click in a tab selects that tab page */
if (is_click
&& cmdwin_type == 0
&& mouse_col < Columns) {
in_tab_line = true;
c1 = tab_page_click_defs[mouse_col].tabnr;
switch (tab_page_click_defs[mouse_col].type) {
case kStlClickDisabled: {
break;
}
case kStlClickTabClose: {
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);
}
break;
}
case kStlClickTabSwitch: {
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();
}
}
break;
}
case kStlClickFuncRun: {
typval_T argv[] = {
{
.v_lock = VAR_FIXED,
.v_type = VAR_NUMBER,
.vval = {
.v_number = (varnumber_T) tab_page_click_defs[mouse_col].tabnr
},
},
{
.v_lock = VAR_FIXED,
.v_type = VAR_NUMBER,
.vval = {
.v_number = (((mod_mask & MOD_MASK_MULTI_CLICK)
== MOD_MASK_4CLICK)
? 4
: ((mod_mask & MOD_MASK_MULTI_CLICK)
== MOD_MASK_3CLICK)
? 3
: ((mod_mask & MOD_MASK_MULTI_CLICK)
== MOD_MASK_2CLICK)
? 2
: 1)
},
},
{
.v_lock = VAR_FIXED,
.v_type = VAR_STRING,
.vval = { .v_string = (char_u *) (which_button == MOUSE_LEFT
? "l"
: which_button == MOUSE_RIGHT
? "r"
: which_button == MOUSE_MIDDLE
? "m"
: "?") },
},
{
.v_lock = VAR_FIXED,
.v_type = VAR_STRING,
.vval = {
.v_string = (char_u[]) {
(char_u) (mod_mask & MOD_MASK_SHIFT ? 's' : ' '),
(char_u) (mod_mask & MOD_MASK_CTRL ? 'c' : ' '),
(char_u) (mod_mask & MOD_MASK_ALT ? 'a' : ' '),
(char_u) (mod_mask & MOD_MASK_META ? 'm' : ' '),
NUL
}
},
}
};
typval_T rettv;
int doesrange;
(void)call_func((char_u *)tab_page_click_defs[mouse_col].func,
(int)strlen(tab_page_click_defs[mouse_col].func),
&rettv, ARRAY_SIZE(argv), argv, NULL,
curwin->w_cursor.lnum, curwin->w_cursor.lnum,
&doesrange, true, NULL, NULL);
tv_clear(&rettv);
break;
}
}
}
return true;
} else if (is_drag && in_tab_line) {
move_tab_to_mouse();
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.
*/
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 = kMTCharWise;
}
/* 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 = 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 (regname == 0 && eval_has_provider("clipboard")) {
regname = '*';
}
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, NULL, dir, count,
(fixindent ? PUT_FIXINDENT : 0)| 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 (curwin->w_llist_ref == NULL) { // quickfix window
do_cmdline_cmd(".cc");
} else { // location list window
do_cmdline_cmd(".ll");
}
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 {
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), ascii_iswhite(gc))
inc(&end_visual);
if (oap != NULL) {
oap->motion_type = kMTCharWise;
}
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 == kMTLineWise) {
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 -= utf_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 -= utf_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;
}
/*
* 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;
may_clear_cmdline();
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;
}
}
// Check for a balloon-eval special item to include when searching for an
// identifier. When "dir" is BACKWARD "ptr[-1]" must be valid!
// Returns true if the character at "*ptr" should be included.
// "dir" is FORWARD or BACKWARD, the direction of searching.
// "*colp" is in/decremented if "ptr[-dir]" should also be included.
// "bnp" points to a counter for square brackets.
static bool find_is_eval_item(
const char_u *const ptr,
int *const colp,
int *const bnp,
const int dir)
{
// Accept everything inside [].
if ((*ptr == ']' && dir == BACKWARD) || (*ptr == '[' && dir == FORWARD)) {
*bnp += 1;
}
if (*bnp > 0) {
if ((*ptr == '[' && dir == BACKWARD) || (*ptr == ']' && dir == FORWARD)) {
*bnp -= 1;
}
return true;
}
// skip over "s.var"
if (*ptr == '.') {
return true;
}
// two-character item: s->var
if (ptr[dir == BACKWARD ? 0 : 1] == '>'
&& ptr[dir == BACKWARD ? -1 : 0] == '-') {
*colp += dir;
return true;
}
return false;
}
/*
* Find the identifier under or to the right of the cursor.
* "find_type" can have one of three values:
* FIND_IDENT: find an identifier (keyword)
* FIND_STRING: find any non-white 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.
*/
size_t 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!.
*/
size_t 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;
int bn = 0; // bracket nesting
/*
* 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;
while (ptr[col] != NUL) {
// Stop at a ']' to evaluate "a[x]".
if ((find_type & FIND_EVAL) && ptr[col] == ']') {
break;
}
this_class = mb_get_class(ptr + col);
if (this_class != 0 && (i == 1 || this_class != 1)) {
break;
}
col += utfc_ptr2len(ptr + col);
}
// When starting on a ']' count it, so that we include the '['.
bn = ptr[col] == ']';
//
// 2. Back up to start of identifier/string.
//
// Remember class of character under cursor.
if ((find_type & FIND_EVAL) && ptr[col] == ']') {
this_class = mb_get_class((char_u *)"a");
} else {
this_class = mb_get_class(ptr + col);
}
while (col > 0 && this_class != 0) {
prevcol = col - 1 - utf_head_off(ptr, ptr + col - 1);
prev_class = mb_get_class(ptr + prevcol);
if (this_class != prev_class
&& (i == 0
|| prev_class == 0
|| (find_type & FIND_IDENT))
&& (!(find_type & FIND_EVAL)
|| prevcol == 0
|| !find_is_eval_item(ptr + prevcol, &prevcol, &bn, BACKWARD))) {
break;
}
col = prevcol;
}
// If we don't want just any old 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;
}
}
if (ptr[col] == NUL || (i == 0 && this_class != 2)) {
// 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.
*/
bn = 0;
startcol -= col;
col = 0;
// Search for point of changing multibyte character class.
this_class = mb_get_class(ptr);
while (ptr[col] != NUL
&& ((i == 0
? mb_get_class(ptr + col) == this_class
: mb_get_class(ptr + col) != 0)
|| ((find_type & FIND_EVAL)
&& col <= (int)startcol
&& find_is_eval_item(ptr + col, &col, &bn, FORWARD)))) {
col += utfc_ptr2len(ptr + col);
}
assert(col >= 0);
return (size_t)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 bool 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 bool 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);
}
/// If the mode is currently displayed clear the command line or update the
/// command displayed.
static void may_clear_cmdline(void)
{
if (mode_displayed) {
// unshow visual mode later
clear_cmdline = true;
} else {
clear_showcmd();
}
}
// 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 bool showcmd_is_clear = true;
static bool 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.
(void)hasFolding(top, &top, NULL);
(void)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;
snprintf((char *)showcmd_buf, SHOWCMD_BUFLEN, "%" PRId64 "x%" PRId64,
(int64_t)lines, (int64_t)rightcol - leftcol + 1);
} else if (VIsual_mode == 'V' || VIsual.lnum != curwin->w_cursor.lnum) {
snprintf((char *)showcmd_buf, SHOWCMD_BUFLEN, "%" 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);
}
int limit = ui_has(kUIMessages) ? SHOWCMD_BUFLEN-1 : SHOWCMD_COLS;
showcmd_buf[limit] = 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).
*/
bool add_to_showcmd(int c)
{
char_u *p;
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_EVENT,
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>");
size_t old_len = STRLEN(showcmd_buf);
size_t extra_len = STRLEN(p);
size_t limit = ui_has(kUIMessages) ? SHOWCMD_BUFLEN-1 : SHOWCMD_COLS;
if (old_len + extra_len > limit) {
size_t overflow = old_len + extra_len - limit;
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)
{
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;
len = (int)STRLEN(showcmd_buf);
showcmd_is_clear = (len == 0);
if (ui_has(kUIMessages)) {
Array content = ARRAY_DICT_INIT;
if (len > 0) {
Array chunk = ARRAY_DICT_INIT;
// placeholder for future highlight support
ADD(chunk, INTEGER_OBJ(0));
ADD(chunk, STRING_OBJ(cstr_to_string((char *)showcmd_buf)));
ADD(content, ARRAY_OBJ(chunk));
}
ui_call_msg_showcmd(content);
return;
}
msg_grid_validate();
int showcmd_row = Rows - 1;
grid_puts_line_start(&msg_grid_adj, showcmd_row);
if (!showcmd_is_clear) {
grid_puts(&msg_grid_adj, showcmd_buf, showcmd_row, sc_col,
HL_ATTR(HLF_MSG));
}
// clear the rest of an old message by outputting up to SHOWCMD_COLS spaces
grid_puts(&msg_grid_adj, (char_u *)" " + len, showcmd_row,
sc_col + len, HL_ATTR(HLF_MSG));
grid_puts_line_flush(false);
}
/*
* 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(bool 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)
{
bool want_ver;
bool 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_ALL_WINDOWS_IN_TAB(wp, curtab) {
curwin = wp;
curbuf = curwin->w_buffer;
/* skip original window and windows with 'noscrollbind' */
if (curwin == old_curwin || !curwin->w_p_scb) {
continue;
}
/*
* do the vertical scroll
*/
if (want_ver) {
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 (!VIsual_active && cap->oap->op_type == OP_NOP) {
prep_redo_cmd(cap);
cap->oap->op_type = cap->cmdchar == Ctrl_A ? OP_NR_ADD : OP_NR_SUB;
op_addsub(cap->oap, cap->count1, cap->arg);
cap->oap->op_type = OP_NOP;
} else if (VIsual_active) {
nv_operator(cap);
} else {
clearop(cap->oap);
}
}
/*
* CTRL-F, CTRL-B, etc: Scroll page up or down.
*/
static void nv_page(cmdarg_T *cap)
{
if (!checkclearop(cap->oap)) {
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" */
)
{
size_t len;
char_u *ptr;
if ((len = find_ident_under_cursor(&ptr, FIND_IDENT)) == 0
|| !find_decl(ptr, len, nchar == 'd', thisblock, SEARCH_START)) {
clearopbeep(oap);
} else if ((fdo_flags & FDO_SEARCH) && KeyTyped && oap->op_type == OP_NOP) {
foldOpenCursor();
}
}
// Return true if line[offset] is not inside a C-style comment or string, false
// otherwise.
static bool is_ident(char_u *line, int offset)
{
bool incomment = false;
int instring = 0;
int prev = 0;
for (int i = 0; i < offset && line[i] != NUL; i++) {
if (instring != 0) {
if (prev != '\\' && line[i] == instring) {
instring = 0;
}
} else if ((line[i] == '"' || line[i] == '\'') && !incomment) {
instring = line[i];
} else {
if (incomment) {
if (prev == '*' && line[i] == '/') {
incomment = false;
}
} else if (prev == '/' && line[i] == '*') {
incomment = true;
} else if (prev == '/' && line[i] == '/') {
return false;
}
}
prev = line[i];
}
return incomment == false && instring == 0;
}
/*
* Search for variable declaration of "ptr[len]".
* When "locally" is true in the current function ("gd"), otherwise in the
* current file ("gD").
* When "thisblock" is true check the {} block scope.
* Return fail when not found.
*/
bool
find_decl (
char_u *ptr,
size_t len,
bool locally,
bool thisblock,
int flags_arg // flags passed to searchit()
)
{
char_u *pat;
pos_T old_pos;
pos_T par_pos;
pos_T found_pos;
bool t;
bool save_p_ws;
bool save_p_scs;
bool retval = true;
bool incll;
int searchflags = flags_arg;
bool valid;
pat = xmalloc(len + 7);
/* Put "\V" before the pattern to avoid that the special meaning of "."
* and "~" causes trouble. */
assert(len <= INT_MAX);
sprintf((char *)pat, vim_iswordp(ptr) ? "\\V\\<%.*s\\>" : "\\V%.*s",
(int)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 (;; ) {
valid = false;
(void)valid; // Avoid "dead assignment" warning.
t = searchit(curwin, curbuf, &curwin->w_cursor, NULL, FORWARD,
pat, 1L, searchflags, RE_LAST, (linenr_T)0, NULL, NULL);
if (curwin->w_cursor.lnum >= old_pos.lnum) {
t = false; // match after start is failure too
}
if (thisblock && t != false) {
const int64_t maxtravel = old_pos.lnum - curwin->w_cursor.lnum + 1;
const pos_T *pos = findmatchlimit(NULL, '}', FM_FORWARD, maxtravel);
// Check that the block the match is in doesn't end before the
// position where we started the search from.
if (pos != NULL && pos->lnum < old_pos.lnum) {
// There can't be a useful match before the end of this block.
// Skip to the end
curwin->w_cursor = *pos;
continue;
}
}
if (t == false) {
/* If we previously found a valid position, use it. */
if (found_pos.lnum != 0) {
curwin->w_cursor = found_pos;
t = true;
}
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;
}
valid = is_ident(get_cursor_line_ptr(), curwin->w_cursor.col);
// If the current position is not a valid identifier and a previous match is
// present, favor that one instead.
if (!valid && found_pos.lnum != 0) {
curwin->w_cursor = found_pos;
break;
}
// global search: use first match found
if (valid && !locally) {
break;
}
if (valid && curwin->w_cursor.lnum >= par_pos.lnum) {
// If we previously found a valid position, use it.
if (found_pos.lnum != 0) {
curwin->w_cursor = found_pos;
}
break;
}
// For finding a local variable and the match is before the "{" or
// inside a comment, continue searching. For K&R style function
// declarations this skips the function header without types.
if (!valid) {
clearpos(&found_pos);
} else {
found_pos = curwin->w_cursor;
}
// Remove SEARCH_START from flags to avoid getting stuck at one position.
searchflags &= ~SEARCH_START;
}
if (t == false) {
retval = false;
curwin->w_cursor = old_pos;
} else {
curwin->w_set_curswant = true;
/* "n" searches forward now */
reset_search_dir();
}
xfree(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 true if able to move cursor, false otherwise.
*/
static bool nv_screengo(oparg_T *oap, int dir, long dist)
{
int linelen = linetabsize(get_cursor_line_ptr());
bool retval = true;
bool 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 = kMTCharWise;
oap->inclusive = (curwin->w_curswant == MAXCOL);
col_off1 = curwin_col_off();
col_off2 = col_off1 - curwin_col_off2();
width1 = curwin->w_width_inner - col_off1;
width2 = curwin->w_width_inner - col_off2;
if (width2 == 0) {
width2 = 1; // Avoid divide by zero.
}
if (curwin->w_width_inner != 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 >= n) {
curwin->w_curswant = n - 1;
}
}
while (dist--) {
if (dir == BACKWARD) {
if (curwin->w_curswant >= width1) {
// Move back within the line. This can give a negative value
// for w_curswant if width1 < width2 (with cpoptions+=n),
// which will get clipped to column 0.
curwin->w_curswant -= width2;
} else {
// to previous line
if (curwin->w_cursor.lnum == 1) {
retval = false;
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) {
int w = (((linelen - width1 - 1) / width2) + 1) * width2;
assert(curwin->w_curswant <= INT_MAX - w);
curwin->w_curswant += w;
}
}
} 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 = false;
break;
}
curwin->w_cursor.lnum++;
curwin->w_curswant %= width2;
// Check if the cursor has moved below the number display
// when width1 < width2 (with cpoptions+=n). Subtract width2
// to get a negative value for w_curswant, which will get
// clipped to column 0.
if (curwin->w_curswant >= width1) {
curwin->w_curswant -= width2;
}
linelen = linetabsize(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();
colnr_T virtcol = curwin->w_virtcol;
if (virtcol > (colnr_T)width1 && *p_sbr != NUL)
virtcol -= vim_strsize(p_sbr);
if (virtcol > curwin->w_curswant
&& (curwin->w_curswant < (colnr_T)width1
? (curwin->w_curswant > (colnr_T)width1 / 2)
: ((curwin->w_curswant - width1) % width2
> (colnr_T)width2 / 2)))
--curwin->w_cursor.col;
}
if (atend)
curwin->w_curswant = MAXCOL; /* stick in the last column */
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 grid, row, col;
grid = mouse_grid;
row = mouse_row;
col = mouse_col;
// find the window at the pointer coordinates
win_T *wp = mouse_find_win(&grid, &row, &col);
if (wp == NULL) {
return;
}
curwin = wp;
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);
}
} else {
mouse_scroll_horiz(cap->arg);
}
if (curwin != old_curwin && curwin->w_p_cul) {
redraw_for_cursorline(curwin);
}
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) == false)
break;
} else {
if (curwin->w_cursor.lnum < prev_lnum
|| prev_topline == 1L
|| cursor_up(1L, false) == false)
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)
{
int n;
colnr_T col;
int nchar = cap->nchar;
long old_fdl = curwin->w_p_fdl;
int old_fen = curwin->w_p_fen;
bool undo = false;
assert(p_siso <= INT_MAX);
int l_p_siso = (int)p_siso;
if (ascii_isdigit(nchar)) {
/*
* "z123{nchar}": edit the count before obtaining {nchar}
*/
if (checkclearop(cap->oap))
return;
n = nchar - '0';
for (;; ) {
no_mapping++;
nchar = plain_vgetc();
LANGMAP_ADJUST(nchar, true);
no_mapping--;
(void)add_to_showcmd(nchar);
if (nchar == K_DEL || nchar == K_KDEL)
n /= 10;
else if (ascii_isdigit(nchar))
n = n * 10 + (nchar - '0');
else if (nchar == CAR) {
win_setheight(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:
// "zf" and "zF" are always an operator, "zd", "zo", "zO", "zc"
// and "zC" only in Visual mode. "zj" and "zk" are motion
// commands. */
if (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);
set_fraction(curwin);
break;
/* "z." and "zz": put cursor in middle of screen */
case '.': beginline(BL_WHITE | BL_FIX);
FALLTHROUGH;
case 'z': scroll_cursor_halfway(true);
redraw_later(VALID);
set_fraction(curwin);
break;
// "z^", "z-" and "zb": put cursor at bottom of screen
case '^': // Strange Vi behavior: <count>z^ finds line at top of window
// when <count> is at bottom of window, and puts that one at
// bottom of window.
if (cap->count0 != 0) {
scroll_cursor_bot(0, true);
curwin->w_cursor.lnum = curwin->w_topline;
} else if (curwin->w_topline == 1)
curwin->w_cursor.lnum = 1;
else
curwin->w_cursor.lnum = curwin->w_topline - 1;
FALLTHROUGH;
case '-':
beginline(BL_WHITE | BL_FIX);
FALLTHROUGH;
case 'b': scroll_cursor_bot(0, true);
redraw_later(VALID);
set_fraction(curwin);
break;
/* "zH" - scroll screen right half-page */
case 'H':
cap->count1 *= curwin->w_width_inner / 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_inner / 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 (col > l_p_siso)
col -= l_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_inner - curwin_col_off();
if (col + l_p_siso < n) {
col = 0;
} else {
col = col + l_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 -= cap->count1;
if (curwin->w_p_fdl < 0) {
curwin->w_p_fdl = 0;
}
}
old_fdl = -1; /* force an update */
curwin->w_p_fen = true;
break;
/* "zM": close all folds */
case 'M': curwin->w_p_fdl = 0;
old_fdl = -1; /* force an update */
curwin->w_p_fen = true;
break;
/* "zr": reduce folding */
case 'r':
curwin->w_p_fdl += cap->count1;
{
int d = getDeepestNesting();
if (curwin->w_p_fdl >= d) {
curwin->w_p_fdl = d;
}
}
break;
/* "zR": open all folds */
case 'R': curwin->w_p_fdl = getDeepestNesting();
old_fdl = -1; /* force an update */
break;
case 'j': /* "zj" move to next fold downwards */
case 'k': /* "zk" move to next fold upwards */
if (foldMoveTo(true, nchar == 'j' ? FORWARD : BACKWARD,
cap->count1) == false)
clearopbeep(cap->oap);
break;
case 'u': // "zug" and "zuw": undo "zg" and "zw"
no_mapping++;
nchar = plain_vgetc();
LANGMAP_ADJUST(nchar, true);
no_mapping--;
(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;
size_t len;
if (checkclearop(cap->oap))
break;
if (VIsual_active && !get_visual_text(cap, &ptr, &len))
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;
assert(len <= INT_MAX);
spell_add_word(ptr, (int)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(BO_EX);
} else if (!checkclearop(cap->oap)) {
do_exmode(false);
}
}
/// Handle a ":" command and <Cmd>.
static void nv_colon(cmdarg_T *cap)
{
int old_p_im;
bool cmd_result;
bool is_cmdkey = cap->cmdchar == K_COMMAND;
if (VIsual_active && !is_cmdkey) {
nv_operator(cap);
} else {
if (cap->oap->op_type != OP_NOP) {
// Using ":" as a movement is characterwise exclusive.
cap->oap->motion_type = kMTCharWise;
cap->oap->inclusive = false;
} else if (cap->count0 && !is_cmdkey) {
// translate "count:" into ":.,.+(count - 1)"
stuffcharReadbuff('.');
if (cap->count0 > 1) {
stuffReadbuff(",.+");
stuffnumReadbuff(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, is_cmdkey ? getcmdkeycmd : 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 == false)
/* 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);
FOR_ALL_WINDOWS_IN_TAB(wp, curtab) {
wp->w_s->b_syn_slow = false;
}
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 #". Works even when the alternate buffer is
// not named.
static void nv_hat(cmdarg_T *cap)
{
if (!checkclearopq(cap->oap))
(void)buflist_getfile((int)cap->count0, (linenr_T)0,
GETF_SETMARK|GETF_ALT, false);
}
/*
* "Z" commands.
*/
static void nv_Zet(cmdarg_T *cap)
{
if (!checkclearopq(cap->oap)) {
switch (cap->nchar) {
/* "ZZ": equivalent to ":x". */
case 'Z': do_cmdline_cmd("x");
break;
/* "ZQ": equivalent to ":q!" (Elvis compatible). */
case 'Q': do_cmdline_cmd("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 *p;
size_t n = 0; /* init for GCC */
int cmdchar;
bool g_cmd; /* "g" command */
bool tag_cmd = false;
char_u *aux_ptr;
if (cap->cmdchar == 'g') { /* "g*", "g#", "g]" and "gCTRL-]" */
cmdchar = cap->nchar;
g_cmd = true;
} else {
cmdchar = cap->cmdchar;
g_cmd = false;
}
if (cmdchar == POUND) /* the pound sign, '#' for English keyboards */
cmdchar = '#';
/*
* The "]", "CTRL-]" and "K" commands accept an argument in Visual mode.
*/
if (cmdchar == ']' || cmdchar == Ctrl_RSB || cmdchar == 'K') {
if (VIsual_active && get_visual_text(cap, &ptr, &n) == false)
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. */
char_u *kp = *curbuf->b_p_kp == NUL ? p_kp : curbuf->b_p_kp; // 'keywordprg'
assert(*kp != NUL); // option.c:do_set() should default to ":help" if empty.
bool kp_ex = (*kp == ':'); // 'keywordprg' is an ex command
bool kp_help = (STRCMP(kp, ":he") == 0 || STRCMP(kp, ":help") == 0);
if (kp_help && *skipwhite(ptr) == NUL) {
EMSG(_(e_noident)); // found white space only
return;
}
size_t buf_size = n * 2 + 30 + STRLEN(kp);
char *buf = xmalloc(buf_size);
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 if (kp_ex) {
if (cap->count0 != 0) { // Send the count to the ex command.
snprintf(buf, buf_size, "%" PRId64, (int64_t)(cap->count0));
}
STRCAT(buf, kp);
STRCAT(buf, " ");
} 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 */
xfree(buf);
return;
}
/* When a count is given, turn it into a range. Is this
* really what we want? */
bool isman = (STRCMP(kp, "man") == 0);
bool isman_s = (STRCMP(kp, "man -s") == 0);
if (cap->count0 != 0 && !(isman || isman_s)) {
snprintf(buf, buf_size, ".,.+%" 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)) {
snprintf(buf + STRLEN(buf), buf_size - 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
snprintf(buf, buf_size, "%" PRId64 "ta ", (int64_t)cap->count0);
}
}
// Now grab the chars in the identifier
if (cmdchar == 'K' && !kp_help) {
ptr = vim_strnsave(ptr, n);
if (kp_ex) {
// Escape the argument properly for an Ex command
p = (char_u *)vim_strsave_fnameescape((const char *)ptr, false);
} else {
// Escape the argument properly for a shell command
p = vim_strsave_shellescape(ptr, true, true);
}
xfree(ptr);
char *newbuf = xrealloc(buf, STRLEN(buf) + STRLEN(p) + 1);
buf = newbuf;
STRCAT(buf, p);
xfree(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 = (char_u *)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) {
size_t len = (size_t)((*mb_ptr2len)(ptr) - 1);
for (size_t i = 0; i < len && n > 0; ++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, (char_u *)buf, true, NUL);
(void)normal_search(cap, cmdchar == '*' ? '/' : '?', (char_u *)buf, 0);
} else {
do_cmdline_cmd(buf);
}
xfree(buf);
}
/*
* Get visually selected text, within one line only.
* Returns false if more than one line selected.
*/
bool
get_visual_text (
cmdarg_T *cap,
char_u **pp, /* return: start of selected text */
size_t *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 false;
}
if (VIsual_mode == 'V') {
*pp = get_cursor_line_ptr();
*lenp = STRLEN(*pp);
} else {
if (lt(curwin->w_cursor, VIsual)) {
*pp = ml_get_pos(&curwin->w_cursor);
*lenp = (size_t)VIsual.col - (size_t)curwin->w_cursor.col + 1;
} else {
*pp = ml_get_pos(&VIsual);
*lenp = (size_t)curwin->w_cursor.col - (size_t)VIsual.col + 1;
}
if (has_mbyte)
/* Correct the length to include the whole last character. */
*lenp += (size_t)((*mb_ptr2len)(*pp + (*lenp - 1)) - 1);
}
reset_VIsual_and_resel();
return true;
}
/*
* 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 = kMTLineWise;
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_inner - 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_inner) {
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;
}
// Correct for 'so', except when an operator is pending.
if (cap->oap->op_type == OP_NOP) {
cursor_correct();
}
beginline(BL_SOL | BL_FIX);
}
/*
* Cursor right commands.
*/
static void nv_right(cmdarg_T *cap)
{
long n;
int PAST_LINE;
if (mod_mask & (MOD_MASK_SHIFT | MOD_MASK_CTRL)) {
/* <C-Right> and <S-Right> move a word or WORD right */
if (mod_mask & MOD_MASK_CTRL)
cap->arg = true;
nv_wordcmd(cap);
return;
}
cap->oap->motion_type = kMTCharWise;
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() == false)
|| (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 {
curwin->w_cursor.col += (*mb_ptr2len)(get_cursor_pos_ptr());
}
}
}
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 = kMTCharWise;
cap->oap->inclusive = false;
for (n = cap->count1; n > 0; --n) {
if (oneleft() == false) {
/* <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 = kMTLineWise;
if (cursor_up(cap->count1, cap->oap->op_type == OP_NOP) == false) {
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 if (bt_quickfix(curbuf) && cap->cmdchar == CAR) {
// Quickfix window only: view the result under the cursor.
qf_view_result(false);
} 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 = kMTLineWise;
if (cursor_down(cap->count1, cap->oap->op_type == OP_NOP) == false) {
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 && !buf_hide(curbuf)) {
(void)autowrite(curbuf, false);
}
setpcmark();
if (do_ecmd(0, ptr, NULL, NULL, ECMD_LAST,
buf_hide(curbuf) ? ECMD_HIDE : 0, curwin) == OK
&& cap->nchar == 'F' && lnum >= 0) {
curwin->w_cursor.lnum = lnum;
check_cursor_lnum();
beginline(BL_SOL | BL_FIX);
}
xfree(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 = kMTCharWise;
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(cap->count1 - 1,
cap->oap->op_type == OP_NOP) == false)
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;
pos_T save_cursor = curwin->w_cursor;
if (cap->cmdchar == '?' && cap->oap->op_type == OP_ROT13) {
/* Translate "g??" to "g?g?" */
cap->cmdchar = 'g';
cap->nchar = '?';
nv_operator(cap);
return;
}
// When using 'incsearch' the cursor may be moved to set a different search
// start position.
cap->searchbuf = getcmdline(cap->cmdchar, cap->count1, 0, true);
if (cap->searchbuf == NULL) {
clearop(oap);
return;
}
(void)normal_search(cap, cap->cmdchar, cap->searchbuf,
(cap->arg || !equalpos(save_cursor, curwin->w_cursor))
? 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)
{
pos_T old = curwin->w_cursor;
int i = normal_search(cap, 0, NULL, SEARCH_MARK | cap->arg);
if (i == 1 && equalpos(old, curwin->w_cursor)) {
// Avoid getting stuck on the current cursor position, which can happen when
// an offset is given and the cursor is on the last char in the buffer:
// Repeat with count + 1.
cap->count1 += 1;
(void)normal_search(cap, 0, NULL, SEARCH_MARK | cap->arg);
cap->count1 -= 1;
}
}
/*
* Search for "pat" in direction "dir" ('/' or '?', 0 for repeat).
* Uses only cap->count1 and cap->oap from "cap".
* Return 0 for failure, 1 for found, 2 for found and line offset added.
*/
static int normal_search(
cmdarg_T *cap,
int dir,
char_u *pat,
int opt /* extra flags for do_search() */
)
{
int i;
cap->oap->motion_type = kMTCharWise;
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, NULL);
if (i == 0) {
clearop(cap->oap);
} else {
if (i == 2) {
cap->oap->motion_type = kMTLineWise;
}
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();
return i;
}
/*
* Character search commands.
* cap->arg is BACKWARD for 'F' and 'T', FORWARD for 'f' and 't', true for
* ',' and false for ';'.
* cap->nchar is NUL for ',' and ';' (repeat the search)
*/
static void nv_csearch(cmdarg_T *cap)
{
bool t_cmd;
if (cap->cmdchar == 't' || cap->cmdchar == 'T')
t_cmd = true;
else
t_cmd = false;
cap->oap->motion_type = kMTCharWise;
if (IS_SPECIAL(cap->nchar) || searchc(cap, t_cmd) == false) {
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 = { 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 = kMTCharWise;
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;
size_t 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),
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();
}
} else if (cap->nchar == 'p' || cap->nchar == 'P') {
// "[p", "[P", "]P" and "]p": put with indent adjustment
nv_put_opt(cap, true);
}
/*
* "['", "[`", "]'" and "]`": jump to next mark
*/
else if (cap->nchar == '\'' || cap->nchar == '`') {
pos = &curwin->w_cursor;
for (n = cap->count1; n > 0; --n) {
prev_pos = *pos;
pos = getnextmark(pos, cap->cmdchar == '[' ? BACKWARD : FORWARD,
cap->nchar == '\'');
if (pos == NULL)
break;
}
if (pos == NULL)
pos = &prev_pos;
nv_cursormark(cap, cap->nchar == '\'', pos);
}
/*
* [ or ] followed by a middle mouse click: put selected text with
* indent adjustment. Any other button just does as usual.
*/
else if (cap->nchar >= K_RIGHTRELEASE && cap->nchar <= K_LEFTMOUSE) {
(void)do_mouse(cap->oap, cap->nchar,
(cap->cmdchar == ']') ? FORWARD : BACKWARD,
cap->count1, PUT_FIXINDENT);
}
/*
* "[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) == false)
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) == false)
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', false, NULL) == 0) {
clearopbeep(cap->oap);
break;
} else {
curwin->w_set_curswant = true;
}
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 = kMTLineWise;
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 = kMTCharWise;
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 = kMTCharWise;
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) == false)
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) == false)
clearopbeep(cap->oap);
}
}
/*
* "{" and "}" commands.
* cmd->arg is BACKWARD for "{" and FORWARD for "}".
*/
static void nv_findpar(cmdarg_T *cap)
{
cap->oap->motion_type = kMTCharWise;
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) {
// Use a special (negative) number to make a difference between a
// literal CR or NL and a line break.
if (cap->nchar == CAR) {
cap->nchar = REPLACE_CR_NCHAR;
} else if (cap->nchar == NL) {
cap->nchar = REPLACE_NL_NCHAR;
}
}
nv_operator(cap);
return;
}
/* Break tabs, etc. */
if (virtual_active()) {
if (u_save_cursor() == false)
return;
if (gchar_cursor() == NUL) {
/* Add extra space and put the cursor on the first one. */
coladvance_force((colnr_T)(getviscol() + cap->count1));
assert(cap->count1 <= INT_MAX);
curwin->w_cursor.col -= (colnr_T)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() == false)
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) {
assert(c >= 0 && c <= UCHAR_MAX);
ptr[curwin->w_cursor.col] = (char_u)c;
}
} else {
assert(cap->nchar >= 0 && cap->nchar <= UCHAR_MAX);
ptr[curwin->w_cursor.col] = (char_u)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);
}
foldUpdateAfterInsert();
}
/*
* '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 (!MODIFIABLE(curbuf)) {
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 (!MODIFIABLE(curbuf)) {
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() == false)
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) == false)
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, true);
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) == false)
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 ? kMTLineWise : kMTCharWise;
if (cap->cmdchar == '`') {
cap->oap->use_reg_one = true;
}
cap->oap->inclusive = false; // ignored if not kMTCharWise
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 const char *(ar[]) = { "dl", "dh", "d$", "c$", "cl", "cc", "yy",
":s\r" };
static const char *str = "xXDCsSY&";
if (!checkclearopq(cap->oap)) {
if (cap->count0) {
stuffnumReadbuff(cap->count0);
}
stuffReadbuff(ar[strchr(str, (char)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;
const bool 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;
}
check_cursor_col();
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;
const bool 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) {
motion_force = cap->oap->motion_force = cap->cmdchar;
finish_op = false; // operator doesn't finish now but later
return;
}
VIsual_select = cap->arg;
if (VIsual_active) { /* change Visual mode */
if (VIsual_mode == cap->cmdchar) /* stop visual mode */
end_visual_mode();
else { /* toggle char/block mode */
/* or char/line mode */
VIsual_mode = cap->cmdchar;
showmode();
}
redraw_curbuf_later(INVERTED); // update the inversion
} else { // start Visual mode
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();
assert(cap->count0 >= INT_MIN && cap->count0 <= INT_MAX);
curwin->w_curswant = (curwin->w_virtcol
+ resel_VIsual_vcol * (int)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();
assert(cap->count0 >= INT_MIN && cap->count0 <= INT_MAX);
curwin->w_curswant = (curwin->w_virtcol
+ resel_VIsual_vcol * (int)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)
{
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_cursor_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 (cap->nchar == ':') {
// "CTRL-W :" is the same as typing ":"; useful in a terminal window
cap->cmdchar = ':';
cap->nchar = NUL;
nv_colon(cap);
} else if (!checkclearop(cap->oap)) {
do_window(cap->nchar, cap->count0, NUL); // everything is in window.c
}
}
/*
* CTRL-Z: Suspend
*/
static void nv_suspend(cmdarg_T *cap)
{
clearop(cap->oap);
if (VIsual_active)
end_visual_mode(); /* stop Visual mode */
do_cmdline_cmd("st");
}
/*
* Commands starting with "g".
*/
static void nv_g_cmd(cmdarg_T *cap)
{
oparg_T *oap = cap->oap;
pos_T tpos;
int i;
bool flag = false;
switch (cap->nchar) {
// "g^A/g^X": Sequentially increment visually selected region.
case Ctrl_A:
case Ctrl_X:
if (VIsual_active) {
cap->arg = true;
cap->cmdchar = cap->nchar;
cap->nchar = NUL;
nv_addsub(cap);
} else {
clearopbeep(oap);
}
break;
// "gR": Enter virtual replace mode.
case 'R':
cap->arg = true;
nv_Replace(cap);
break;
case 'r':
nv_vreplace(cap);
break;
case '&':
do_cmdline_cmd("%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 = kMTLineWise;
i = cursor_down(cap->count1, oap->op_type == OP_NOP);
} else
i = nv_screengo(oap, FORWARD, cap->count1);
if (!i)
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 = kMTLineWise;
i = cursor_up(cap->count1, oap->op_type == OP_NOP);
} else
i = nv_screengo(oap, BACKWARD, cap->count1);
if (!i)
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$".
*/
case '^':
flag = true;
FALLTHROUGH;
case '0':
case 'm':
case K_HOME:
case K_KHOME:
oap->motion_type = kMTCharWise;
oap->inclusive = false;
if (curwin->w_p_wrap
&& curwin->w_width_inner != 0
) {
int width1 = curwin->w_width_inner - curwin_col_off();
int width2 = width1 + curwin_col_off2();
validate_virtcol();
i = 0;
if (curwin->w_virtcol >= (colnr_T)width1 && width2 > 0)
i = (curwin->w_virtcol - width1) / width2 * width2 + width1;
} else
i = curwin->w_leftcol;
/* Go to the middle of the screen line. When 'number' or
* 'relativenumber' is on and lines are wrapping the middle can be more
* to the left. */
if (cap->nchar == 'm') {
i += (curwin->w_width_inner - curwin_col_off()
+ ((curwin->w_p_wrap && i > 0)
? curwin_col_off2() : 0)) / 2;
}
coladvance((colnr_T)i);
if (flag) {
do
i = gchar_cursor();
while (ascii_iswhite(i) && oneright());
}
curwin->w_set_curswant = true;
break;
case '_':
/* "g_": to the last non-blank character in the line or <count> lines
* downward. */
cap->oap->motion_type = kMTCharWise;
cap->oap->inclusive = true;
curwin->w_curswant = MAXCOL;
if (cursor_down(cap->count1 - 1,
cap->oap->op_type == OP_NOP) == false)
clearopbeep(cap->oap);
else {
char_u *ptr = get_cursor_line_ptr();
/* In Visual mode we may end up after the line. */
if (curwin->w_cursor.col > 0 && ptr[curwin->w_cursor.col] == NUL)
--curwin->w_cursor.col;
/* Decrease the cursor column until it's on a non-blank. */
while (curwin->w_cursor.col > 0
&& ascii_iswhite(ptr[curwin->w_cursor.col]))
--curwin->w_cursor.col;
curwin->w_set_curswant = true;
adjust_for_sel(cap);
}
break;
case '$':
case K_END:
case K_KEND:
{
int col_off = curwin_col_off();
oap->motion_type = kMTCharWise;
oap->inclusive = true;
if (curwin->w_p_wrap
&& curwin->w_width_inner != 0
) {
curwin->w_curswant = MAXCOL; /* so we stay at the end */
if (cap->count1 == 1) {
int width1 = curwin->w_width_inner - 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) == false)
clearopbeep(oap);
} else {
if (cap->count1 > 1) {
// if it fails, let the cursor still move to the last char
cursor_down(cap->count1 - 1, false);
}
i = curwin->w_leftcol + curwin->w_width_inner - 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 = kMTCharWise;
curwin->w_set_curswant = true;
oap->inclusive = true;
if (bckend_word(cap->count1, cap->nchar == 'E', false) == false)
clearopbeep(oap);
break;
// "g CTRL-G": display info about cursor position
case Ctrl_G:
cursor_pos_info(NULL);
break;
// "gi": start Insert at the last position.
case 'i':
if (curbuf->b_last_insert.mark.lnum != 0) {
curwin->w_cursor = curbuf->b_last_insert.mark;
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;
// "g<": show scrollback text
case '<':
show_sb_text();
break;
/*
* "gg": Goto the first line in file. With a count it goes to
* that line number like for "G". -- webb
*/
case 'g':
cap->arg = false;
nv_goto(cap);
break;
/*
* Two-character operators:
* "gq" Format text
* "gw" Format text and keep cursor position
* "g~" Toggle the case of the text.
* "gu" Change text to lower case.
* "gU" Change text to upper case.
* "g?" rot13 encoding
* "g@" call 'operatorfunc'
*/
case 'q':
case 'w':
oap->cursor_start = curwin->w_cursor;
FALLTHROUGH;
case '~':
case 'u':
case 'U':
case '?':
case '@':
nv_operator(cap);
break;
/*
* "gd": Find first occurrence of pattern under the cursor in the
* current function
* "gD": idem, but in the current file.
*/
case 'd':
case 'D':
nv_gd(oap, cap->nchar, (int)cap->count0);
break;
/*
* g<*Mouse> : <C-*mouse>
*/
case K_MIDDLEMOUSE:
case K_MIDDLEDRAG:
case K_MIDDLERELEASE:
case K_LEFTMOUSE:
case K_LEFTDRAG:
case K_LEFTRELEASE:
case K_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)
{
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))
)
&& open_line(cap->cmdchar == 'O' ? BACKWARD : FORWARD,
has_format_option(FO_OPEN_COMS)
? OPENLINE_DO_COM : 0,
0)) {
if (win_cursorline_standout(curwin)) {
// force redraw of cursorline
curwin->w_valid &= ~VALID_CROW;
}
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) == false)
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)
{
if (optype == OP_NOP) {
set_vim_var_string(VV_OP, NULL, 0);
} else {
char opchars[3];
int opchar0 = get_op_char(optype);
assert(opchar0 >= 0 && opchar0 <= UCHAR_MAX);
opchars[0] = (char) opchar0;
int opchar1 = get_extra_op_char(optype);
assert(opchar1 >= 0 && opchar1 <= UCHAR_MAX);
opchars[1] = (char) opchar1;
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 = kMTLineWise;
if (cursor_down(cap->count1 - 1L, cap->oap->op_type == OP_NOP) == false) {
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 = kMTCharWise;
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 = kMTCharWise;
cap->oap->inclusive = false;
curwin->w_set_curswant = true;
if (bck_word(cap->count1, cap->arg, false) == false)
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;
bool 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 && !ascii_iswhite(n)) {
// 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".
if (vim_strchr(p_cpo, CPO_CHANGEW) != NULL) {
cap->oap->inclusive = true;
word_end = true;
}
flag = true;
}
}
cap->oap->motion_type = kMTCharWise;
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 == false && 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 = kMTCharWise;
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 bool 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--;
mark_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 = kMTLineWise;
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) {
if (anyBufIsChanged()) {
MSG(_("Type :qa! and press <Enter> to abandon all changes"
" and exit Nvim"));
} else {
MSG(_("Type :qa and press <Enter> to exit Nvim"));
}
}
/* Don't reset "restart_edit" when 'insertmode' is set, it won't be
* set again below when halfway through 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(BO_ESC);
}
clearop(cap->oap);
/* A CTRL-C is often used at the start of a menu. When 'insertmode' is
* set return to Insert mode afterwards. */
if (restart_edit == 0 && goto_im()
&& ex_normal_busy == 0
)
restart_edit = 'a';
}
// Move the cursor for the "A" command.
void set_cursor_for_append_to_line(void)
{
curwin->w_set_curswant = true;
if (ve_flags == VE_ALL) {
const 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());
}
}
/// 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 && !curbuf->terminal) {
// 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
set_cursor_for_append_to_line();
break;
case 'I': /* "I"nsert before the first non-blank */
beginline(BL_WHITE);
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)
{
bool flag;
bool 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) */
// Do not adjust oap->end in do_pending_operator()
// otherwise there are different results for 'dit'
// (note leading whitespace in last line):
// 1) <b> 2) <b>
// foobar foobar
// </b> </b>
cap->retval |= CA_NO_ADJ_OP_END;
flag = current_tagblock(cap->oap, cap->count1, include);
break;
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 = false;
break;
}
curbuf->b_p_mps = mps_save;
if (!flag)
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 (reg_executing == 0 && do_record(cap->nchar) == FAIL) {
clearopbeep(cap->oap);
}
}
}
}
/*
* Handle the "@r" command.
*/
static void nv_at(cmdarg_T *cap)
{
if (checkclearop(cap->oap))
return;
if (cap->nchar == '=') {
if (get_expr_register() == NUL)
return;
}
while (cap->count1-- && !got_int) {
if (do_execreg(cap->nchar, false, false, false) == false) {
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) {
// can't join when on the last line
if (cap->count0 <= 2) {
clearopbeep(cap->oap);
return;
}
cap->count0 = curbuf->b_ml.ml_line_count - curwin->w_cursor.lnum + 1;
}
prep_redo(cap->oap->regname, cap->count0,
NUL, cap->cmdchar, NUL, NUL, cap->nchar);
do_join((size_t)cap->count0, cap->nchar == NUL, true, true, true);
}
}
/*
* "P", "gP", "p" and "gp" commands.
*/
static void nv_put(cmdarg_T *cap)
{
nv_put_opt(cap, false);
}
// "P", "gP", "p" and "gp" commands.
// "fix_indent" is true for "[p", "[P", "]p" and "]P".
static void nv_put_opt(cmdarg_T *cap, bool fix_indent)
{
int regname = 0;
yankreg_T *savereg = NULL;
bool empty = false;
bool 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);
assert(cap->opcount >= 0);
nv_diffgetput(true, (size_t)cap->opcount);
} else
clearopbeep(cap->oap);
} else {
if (fix_indent) {
dir = (cap->cmdchar == ']' && cap->nchar == 'p')
? FORWARD : BACKWARD;
flags |= PUT_FIXINDENT;
} 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;
// '+' and '*' could be the same selection
bool clipoverwrite = (regname == '+' || regname == '*')
&& (cb_flags & CB_UNNAMEDMASK);
if (regname == 0 || regname == '"' || clipoverwrite
|| ascii_isdigit(regname) || regname == '-') {
// The delete might overwrite the register we want to put, save it first
savereg = copy_register(regname);
}
// To place the cursor correctly after a blockwise put, and to leave the
// text in the correct position when putting over a selection with
// 'virtualedit' and past the end of the line, we use the 'c' operator in
// do_put(), which requires the visual selection to still be active.
if (!VIsual_active || VIsual_mode == 'V' || regname != '.') {
// Now delete the selected text. Avoid messages here.
cap->cmdchar = 'd';
cap->nchar = NUL;
cap->oap->regname = NUL;
msg_silent++;
nv_operator(cap);
do_pending_operator(cap, 0, false);
empty = (curbuf->b_ml.ml_flags & ML_EMPTY);
msg_silent--;
// delete PUT_LINE_BACKWARD;
cap->oap->regname = regname;
}
/* 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, savereg, dir, cap->count1, flags);
// If a register was saved, free it
if (savereg != NULL) {
free_register(savereg);
xfree(savereg);
}
/* 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;
// need to adjust cursor position
if (*p_sel == 'e') {
inc(&curbuf->b_visual.vi_end);
}
}
/* When all lines were selected and deleted do_put() leaves an empty
* line that needs to be deleted now. */
if (empty && *ml_get(curbuf->b_ml.ml_line_count) == NUL) {
ml_delete(curbuf->b_ml.ml_line_count, true);
deleted_lines(curbuf->b_ml.ml_line_count + 1, 1);
/* If the cursor was in that line, move it to the end of the last
* line. */
if (curwin->w_cursor.lnum > curbuf->b_ml.ml_line_count) {
curwin->w_cursor.lnum = curbuf->b_ml.ml_line_count;
coladvance((colnr_T)MAXCOL);
}
}
auto_format(false, true);
}
}
/*
* "o" and "O" commands.
*/
static void nv_open(cmdarg_T *cap)
{
/* "do" is ":diffget" */
if (cap->oap->op_type == OP_DELETE && cap->cmdchar == 'o') {
clearop(cap->oap);
assert(cap->opcount >= 0);
nv_diffgetput(false, (size_t)cap->opcount);
} else if (VIsual_active) /* switch start and end of visual */
v_swap_corners(cap->cmdchar);
else
n_opencmd(cap);
}
// Calculate start/end virtual columns for operating in block mode.
static void get_op_vcol(
oparg_T *oap,
colnr_T redo_VIsual_vcol,
bool initial // when true: adjust position for 'selectmode'
)
{
colnr_T start;
colnr_T end;
if (VIsual_mode != Ctrl_V
|| (!initial && oap->end.col < curwin->w_width_inner)) {
return;
}
oap->motion_type = kMTBlockWise;
// prevent from moving onto a trail byte
if (has_mbyte) {
mark_mb_adjustpos(curwin->w_buffer, &oap->end);
}
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 (initial && *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;
}
// Handle an arbitrary event in normal mode
static void nv_event(cmdarg_T *cap)
{
// Garbage collection should have been executed before blocking for events in
// the `os_inchar` in `state_enter`, but we also disable it here in case the
// `os_inchar` branch was not executed (!multiqueue_empty(loop.events), which
// could have `may_garbage_collect` set to true in `normal_check`).
//
// That is because here we may run code that calls `os_inchar`
// later(`f_confirm` or `get_keystroke` for example), but in these cases it is
// not safe to perform garbage collection because there could be unreferenced
// lists or dicts being used.
may_garbage_collect = false;
bool may_restart = (restart_edit != 0);
multiqueue_process_events(main_loop.events);
finish_op = false;
if (may_restart) {
// Tricky: if restart_edit was set before the handler we are in ctrl-o mode,
// but if not, the event should be allowed to trigger :startinsert.
cap->retval |= CA_COMMAND_BUSY; // don't call edit() now
}
}
/*
* Return TRUE when 'mousemodel' is set to "popup" or "popup_setpos".
*/
static int mouse_model_popup(void)
{
return p_mousem[0] == 'p';
}
void normal_cmd(oparg_T *oap, bool toplevel)
{
NormalState s;
normal_state_init(&s);
s.toplevel = toplevel;
s.oa = *oap;
normal_prepare(&s);
(void)normal_execute(&s.state, safe_vgetc());
*oap = s.oa;
}
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