mirror of
https://github.com/neovim/neovim
synced 2025-07-16 01:01:49 +00:00
5ae41ddde3
Problem: Not easy to get user-input in prompt-buffer before the user submits the input. Under the current system user/plugin needs to read the buffer contents, figure out where the prompt is, then extract the text. Solution: - Add prompt_getinput(). - Extract prompt text extraction logic to a separate function
4791 lines
139 KiB
C
4791 lines
139 KiB
C
// edit.c: functions for Insert mode
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#include <assert.h>
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#include <ctype.h>
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#include <inttypes.h>
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#include <stdbool.h>
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#include <stddef.h>
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#include <string.h>
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#include <uv.h>
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#include "klib/kvec.h"
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#include "nvim/api/private/defs.h"
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#include "nvim/ascii_defs.h"
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#include "nvim/autocmd.h"
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#include "nvim/autocmd_defs.h"
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#include "nvim/buffer.h"
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#include "nvim/buffer_defs.h"
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#include "nvim/change.h"
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#include "nvim/charset.h"
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#include "nvim/cursor.h"
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#include "nvim/decoration.h"
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#include "nvim/digraph.h"
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#include "nvim/drawscreen.h"
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#include "nvim/edit.h"
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#include "nvim/errors.h"
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#include "nvim/eval.h"
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#include "nvim/eval/typval_defs.h"
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#include "nvim/ex_cmds_defs.h"
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#include "nvim/ex_docmd.h"
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#include "nvim/extmark.h"
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#include "nvim/extmark_defs.h"
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#include "nvim/fileio.h"
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#include "nvim/fold.h"
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#include "nvim/getchar.h"
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#include "nvim/gettext_defs.h"
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#include "nvim/globals.h"
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#include "nvim/grid.h"
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#include "nvim/grid_defs.h"
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#include "nvim/highlight.h"
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#include "nvim/highlight_defs.h"
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#include "nvim/highlight_group.h"
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#include "nvim/indent.h"
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#include "nvim/indent_c.h"
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#include "nvim/insexpand.h"
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#include "nvim/keycodes.h"
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#include "nvim/macros_defs.h"
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#include "nvim/mapping.h"
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#include "nvim/mark.h"
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#include "nvim/mark_defs.h"
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#include "nvim/marktree_defs.h"
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#include "nvim/mbyte.h"
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#include "nvim/mbyte_defs.h"
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#include "nvim/memline.h"
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#include "nvim/memline_defs.h"
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#include "nvim/memory.h"
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#include "nvim/message.h"
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#include "nvim/mouse.h"
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#include "nvim/move.h"
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#include "nvim/normal.h"
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#include "nvim/normal_defs.h"
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#include "nvim/ops.h"
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#include "nvim/option.h"
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#include "nvim/option_vars.h"
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#include "nvim/os/input.h"
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#include "nvim/plines.h"
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#include "nvim/popupmenu.h"
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#include "nvim/pos_defs.h"
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#include "nvim/search.h"
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#include "nvim/state.h"
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#include "nvim/state_defs.h"
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#include "nvim/strings.h"
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#include "nvim/syntax.h"
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#include "nvim/terminal.h"
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#include "nvim/textformat.h"
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#include "nvim/textobject.h"
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#include "nvim/types_defs.h"
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#include "nvim/ui.h"
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#include "nvim/ui_defs.h"
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#include "nvim/undo.h"
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#include "nvim/vim_defs.h"
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#include "nvim/window.h"
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typedef struct {
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VimState state;
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cmdarg_T *ca;
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int mincol;
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int cmdchar;
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int cmdchar_todo; // cmdchar to handle once in init_prompt
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int startln;
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int count;
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int c;
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int lastc;
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int i;
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bool did_backspace; // previous char was backspace
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bool line_is_white; // line is empty before insert
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linenr_T old_topline; // topline before insertion
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int old_topfill;
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int inserted_space; // just inserted a space
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int replaceState;
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int did_restart_edit; // remember if insert mode was restarted
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// after a ctrl+o
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bool nomove;
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} InsertState;
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#ifdef INCLUDE_GENERATED_DECLARATIONS
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# include "edit.c.generated.h"
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#endif
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enum {
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BACKSPACE_CHAR = 1,
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BACKSPACE_WORD = 2,
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BACKSPACE_WORD_NOT_SPACE = 3,
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BACKSPACE_LINE = 4,
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};
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/// Set when doing something for completion that may call edit() recursively,
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/// which is not allowed.
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static bool compl_busy = false;
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static colnr_T Insstart_textlen; // length of line when insert started
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static colnr_T Insstart_blank_vcol; // vcol for first inserted blank
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static bool update_Insstart_orig = true; // set Insstart_orig to Insstart
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/// the text of the previous insert, K_SPECIAL is escaped
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static String last_insert = STRING_INIT;
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static int last_insert_skip; // nr of chars in front of previous insert
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static int new_insert_skip; // nr of chars in front of current insert
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static int did_restart_edit; // "restart_edit" when calling edit()
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static bool can_cindent; // may do cindenting on this line
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static bool revins_on; // reverse insert mode on
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static int revins_chars; // how much to skip after edit
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static int revins_legal; // was the last char 'legal'?
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static int revins_scol; // start column of revins session
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static bool ins_need_undo; // call u_save() before inserting a
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// char. Set when edit() is called.
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// after that arrow_used is used.
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static TriState dont_sync_undo = kFalse; // CTRL-G U prevents syncing undo
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// for the next left/right cursor key
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static linenr_T o_lnum = 0;
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static kvec_t(char) replace_stack = KV_INITIAL_VALUE;
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static void insert_enter(InsertState *s)
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{
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s->did_backspace = true;
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s->old_topfill = -1;
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s->replaceState = MODE_REPLACE;
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s->cmdchar_todo = s->cmdchar;
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// Remember whether editing was restarted after CTRL-O
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did_restart_edit = restart_edit;
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// sleep before redrawing, needed for "CTRL-O :" that results in an
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// error message
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msg_check_for_delay(true);
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// set Insstart_orig to Insstart
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update_Insstart_orig = true;
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ins_compl_clear(); // clear stuff for CTRL-X mode
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// Trigger InsertEnter autocommands. Do not do this for "r<CR>" or "grx".
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if (s->cmdchar != 'r' && s->cmdchar != 'v') {
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pos_T save_cursor = curwin->w_cursor;
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const char *const ptr = s->cmdchar == 'R' ? "r" : s->cmdchar == 'V' ? "v" : "i";
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set_vim_var_string(VV_INSERTMODE, ptr, 1);
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set_vim_var_string(VV_CHAR, NULL, -1);
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ins_apply_autocmds(EVENT_INSERTENTER);
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// Check for changed highlighting, e.g. for ModeMsg.
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if (need_highlight_changed) {
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highlight_changed();
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}
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// Make sure the cursor didn't move. Do call check_cursor_col() in
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// case the text was modified. Since Insert mode was not started yet
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// a call to check_cursor_col() may move the cursor, especially with
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// the "A" command, thus set State to avoid that. Also check that the
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// line number is still valid (lines may have been deleted).
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// Do not restore if v:char was set to a non-empty string.
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if (!equalpos(curwin->w_cursor, save_cursor)
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&& *get_vim_var_str(VV_CHAR) == NUL
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&& save_cursor.lnum <= curbuf->b_ml.ml_line_count) {
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int save_state = State;
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curwin->w_cursor = save_cursor;
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State = MODE_INSERT;
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check_cursor_col(curwin);
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State = save_state;
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}
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}
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// When doing a paste with the middle mouse button, Insstart is set to
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// where the paste started.
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if (where_paste_started.lnum != 0) {
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Insstart = where_paste_started;
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} else {
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Insstart = curwin->w_cursor;
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if (s->startln) {
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Insstart.col = 0;
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}
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}
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Insstart_textlen = linetabsize_str(get_cursor_line_ptr());
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Insstart_blank_vcol = MAXCOL;
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if (!did_ai) {
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ai_col = 0;
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}
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if (s->cmdchar != NUL && restart_edit == 0) {
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ResetRedobuff();
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AppendNumberToRedobuff(s->count);
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if (s->cmdchar == 'V' || s->cmdchar == 'v') {
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// "gR" or "gr" command
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AppendCharToRedobuff('g');
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AppendCharToRedobuff((s->cmdchar == 'v') ? 'r' : 'R');
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} else {
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AppendCharToRedobuff(s->cmdchar);
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if (s->cmdchar == 'g') { // "gI" command
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AppendCharToRedobuff('I');
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} else if (s->cmdchar == 'r') { // "r<CR>" command
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s->count = 1; // insert only one <CR>
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}
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}
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}
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if (s->cmdchar == 'R') {
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State = MODE_REPLACE;
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} else if (s->cmdchar == 'V' || s->cmdchar == 'v') {
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State = MODE_VREPLACE;
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s->replaceState = MODE_VREPLACE;
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orig_line_count = curbuf->b_ml.ml_line_count;
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vr_lines_changed = 1;
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} else {
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State = MODE_INSERT;
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}
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may_trigger_modechanged();
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stop_insert_mode = false;
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// need to position cursor again when on a TAB and
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// when on a char with inline virtual text
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if (gchar_cursor() == TAB || buf_meta_total(curbuf, kMTMetaInline) > 0) {
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curwin->w_valid &= ~(VALID_WROW|VALID_WCOL|VALID_VIRTCOL);
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}
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// Enable langmap or IME, indicated by 'iminsert'.
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// Note that IME may enabled/disabled without us noticing here, thus the
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// 'iminsert' value may not reflect what is actually used. It is updated
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// when hitting <Esc>.
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if (curbuf->b_p_iminsert == B_IMODE_LMAP) {
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State |= MODE_LANGMAP;
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}
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setmouse();
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clear_showcmd();
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// there is no reverse replace mode
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revins_on = (State == MODE_INSERT && p_ri);
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if (revins_on) {
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undisplay_dollar();
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}
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revins_chars = 0;
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revins_legal = 0;
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revins_scol = -1;
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// Handle restarting Insert mode.
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// Don't do this for "CTRL-O ." (repeat an insert): we get here with
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// restart_edit non-zero, and something in the stuff buffer.
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if (restart_edit != 0 && stuff_empty()) {
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// After a paste we consider text typed to be part of the insert for
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// the pasted text. You can backspace over the pasted text too.
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arrow_used = where_paste_started.lnum == 0;
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restart_edit = 0;
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// If the cursor was after the end-of-line before the CTRL-O and it is
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// now at the end-of-line, put it after the end-of-line (this is not
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// correct in very rare cases).
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// Also do this if curswant is greater than the current virtual
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// column. Eg after "^O$" or "^O80|".
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validate_virtcol(curwin);
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update_curswant();
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const char *ptr;
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if (((ins_at_eol && curwin->w_cursor.lnum == o_lnum)
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|| curwin->w_curswant > curwin->w_virtcol)
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&& *(ptr = get_cursor_line_ptr() + curwin->w_cursor.col) != NUL) {
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if (ptr[1] == NUL) {
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curwin->w_cursor.col++;
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} else {
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s->i = utfc_ptr2len(ptr);
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if (ptr[s->i] == NUL) {
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curwin->w_cursor.col += s->i;
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}
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}
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}
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ins_at_eol = false;
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} else {
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arrow_used = false;
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}
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// we are in insert mode now, don't need to start it anymore
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need_start_insertmode = false;
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// Need to save the line for undo before inserting the first char.
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ins_need_undo = true;
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where_paste_started.lnum = 0;
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can_cindent = true;
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// The cursor line is not in a closed fold, unless restarting.
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if (did_restart_edit == 0) {
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foldOpenCursor();
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}
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// If 'showmode' is set, show the current (insert/replace/..) mode.
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// A warning message for changing a readonly file is given here, before
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// actually changing anything. It's put after the mode, if any.
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s->i = 0;
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if (p_smd && msg_silent == 0) {
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s->i = showmode();
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}
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if (did_restart_edit == 0) {
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change_warning(curbuf, s->i == 0 ? 0 : s->i + 1);
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}
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ui_cursor_shape(); // may show different cursor shape
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do_digraph(-1); // clear digraphs
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// Get the current length of the redo buffer, those characters have to be
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// skipped if we want to get to the inserted characters.
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String inserted = get_inserted();
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new_insert_skip = (int)inserted.size;
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if (inserted.data != NULL) {
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xfree(inserted.data);
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}
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old_indent = 0;
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do {
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state_enter(&s->state);
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// If s->count != 0, `ins_esc` will prepare the redo buffer for reprocessing
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// and return false, causing `state_enter` to be called again.
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} while (!ins_esc(&s->count, s->cmdchar, s->nomove));
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// Always update o_lnum, so that a "CTRL-O ." that adds a line
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// still puts the cursor back after the inserted text.
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if (ins_at_eol) {
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o_lnum = curwin->w_cursor.lnum;
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}
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pum_check_clear();
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foldUpdateAfterInsert();
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// When CTRL-C was typed got_int will be set, with the result
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// that the autocommands won't be executed. When mapped got_int
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// is not set, but let's keep the behavior the same.
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if (s->cmdchar != 'r' && s->cmdchar != 'v' && s->c != Ctrl_C) {
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ins_apply_autocmds(EVENT_INSERTLEAVE);
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}
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did_cursorhold = false;
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// ins_redraw() triggers TextChangedI only when no characters
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// are in the typeahead buffer, so reset curbuf->b_last_changedtick
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// if the TextChangedI was not blocked by char_avail() (e.g. using :norm!)
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// and the TextChangedI autocommand has been triggered.
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if (!char_avail() && curbuf->b_last_changedtick_i == buf_get_changedtick(curbuf)) {
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curbuf->b_last_changedtick = buf_get_changedtick(curbuf);
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}
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}
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static int insert_check(VimState *state)
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{
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InsertState *s = (InsertState *)state;
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// If typed something may trigger CursorHoldI again.
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if (s->c != K_EVENT
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// but not in CTRL-X mode, a script can't restore the state
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&& ctrl_x_mode_normal()) {
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did_cursorhold = false;
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}
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// Check if we need to cancel completion mode because the window
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// or tab page was changed
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if (ins_compl_active() && !ins_compl_win_active(curwin)) {
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ins_compl_cancel();
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}
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// If the cursor was moved we didn't just insert a space
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if (arrow_used) {
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s->inserted_space = false;
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}
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if (can_cindent
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&& cindent_on()
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&& ctrl_x_mode_normal()
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&& !ins_compl_active()) {
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insert_do_cindent(s);
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}
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if (!revins_legal) {
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revins_scol = -1; // reset on illegal motions
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} else {
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revins_legal = 0;
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}
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if (arrow_used) { // don't repeat insert when arrow key used
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s->count = 0;
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}
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if (update_Insstart_orig) {
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Insstart_orig = Insstart;
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}
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if (curbuf->terminal && !stop_insert_mode) {
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// Exit Insert mode and go to Terminal mode.
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stop_insert_mode = true;
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restart_edit = 'I';
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stuffcharReadbuff(K_NOP);
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}
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if (stop_insert_mode && !ins_compl_active()) {
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// ":stopinsert" used
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s->count = 0;
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return 0; // exit insert mode
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}
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// set curwin->w_curswant for next K_DOWN or K_UP
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if (!arrow_used) {
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curwin->w_set_curswant = true;
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}
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// If there is no typeahead may check for timestamps (e.g., for when a
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// menu invoked a shell command).
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if (stuff_empty()) {
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did_check_timestamps = false;
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if (need_check_timestamps) {
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check_timestamps(false);
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}
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}
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// When emsg() was called msg_scroll will have been set.
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msg_scroll = false;
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// Open fold at the cursor line, according to 'foldopen'.
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if (fdo_flags & kOptFdoFlagInsert) {
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foldOpenCursor();
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}
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// Close folds where the cursor isn't, according to 'foldclose'
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if (!char_avail()) {
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foldCheckClose();
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}
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if (bt_prompt(curbuf)) {
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init_prompt(s->cmdchar_todo);
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s->cmdchar_todo = NUL;
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}
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// If we inserted a character at the last position of the last line in the
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// window, scroll the window one line up. This avoids an extra redraw. This
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// is detected when the cursor column is smaller after inserting something.
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// Don't do this when the topline changed already, it has already been
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// adjusted (by insertchar() calling open_line())).
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// Also don't do this when 'smoothscroll' is set, as the window should then
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// be scrolled by screen lines.
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if (curbuf->b_mod_set
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&& curwin->w_p_wrap
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&& !curwin->w_p_sms
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&& !s->did_backspace
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&& curwin->w_topline == s->old_topline
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&& curwin->w_topfill == s->old_topfill
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&& s->count <= 1) {
|
|
s->mincol = curwin->w_wcol;
|
|
validate_cursor_col(curwin);
|
|
|
|
if (curwin->w_wcol < s->mincol - tabstop_at(get_nolist_virtcol(),
|
|
curbuf->b_p_ts,
|
|
curbuf->b_p_vts_array,
|
|
false)
|
|
&& curwin->w_wrow == curwin->w_view_height - 1 - get_scrolloff_value(curwin)
|
|
&& (curwin->w_cursor.lnum != curwin->w_topline
|
|
|| curwin->w_topfill > 0)) {
|
|
if (curwin->w_topfill > 0) {
|
|
curwin->w_topfill--;
|
|
} else if (hasFolding(curwin, curwin->w_topline, NULL, &s->old_topline)) {
|
|
set_topline(curwin, s->old_topline + 1);
|
|
} else {
|
|
set_topline(curwin, curwin->w_topline + 1);
|
|
}
|
|
}
|
|
}
|
|
|
|
// May need to adjust w_topline to show the cursor.
|
|
if (s->count <= 1) {
|
|
update_topline(curwin);
|
|
}
|
|
|
|
s->did_backspace = false;
|
|
|
|
if (s->count <= 1) {
|
|
validate_cursor(curwin); // may set must_redraw
|
|
}
|
|
|
|
// Redraw the display when no characters are waiting.
|
|
// Also shows mode, ruler and positions cursor.
|
|
ins_redraw(true);
|
|
|
|
if (curwin->w_p_scb) {
|
|
do_check_scrollbind(true);
|
|
}
|
|
|
|
if (curwin->w_p_crb) {
|
|
do_check_cursorbind();
|
|
}
|
|
|
|
if (s->count <= 1) {
|
|
update_curswant();
|
|
}
|
|
s->old_topline = curwin->w_topline;
|
|
s->old_topfill = curwin->w_topfill;
|
|
|
|
if (s->c != K_EVENT) {
|
|
s->lastc = s->c; // remember previous char for CTRL-D
|
|
}
|
|
|
|
// After using CTRL-G U the next cursor key will not break undo.
|
|
if (dont_sync_undo == kNone) {
|
|
dont_sync_undo = kTrue;
|
|
} else {
|
|
dont_sync_undo = kFalse;
|
|
}
|
|
|
|
return 1;
|
|
}
|
|
|
|
static int insert_execute(VimState *state, int key)
|
|
{
|
|
InsertState *const s = (InsertState *)state;
|
|
if (stop_insert_mode) {
|
|
// Insert mode ended, possibly from a callback.
|
|
if (key != K_IGNORE && key != K_NOP) {
|
|
vungetc(key);
|
|
}
|
|
s->count = 0;
|
|
s->nomove = true;
|
|
ins_compl_prep(ESC);
|
|
return 0;
|
|
}
|
|
|
|
if (key == K_IGNORE || key == K_NOP) {
|
|
return -1; // get another key
|
|
}
|
|
s->c = key;
|
|
|
|
// Don't want K_EVENT with cursorhold for the second key, e.g., after CTRL-V.
|
|
if (key != K_EVENT) {
|
|
did_cursorhold = true;
|
|
}
|
|
|
|
// Special handling of keys while the popup menu is visible or wanted
|
|
// and the cursor is still in the completed word. Only when there is
|
|
// a match, skip this when no matches were found.
|
|
if (ins_compl_active() && curwin->w_cursor.col >= ins_compl_col()
|
|
&& ins_compl_has_shown_match() && pum_wanted()) {
|
|
// BS: Delete one character from "compl_leader".
|
|
if ((s->c == K_BS || s->c == Ctrl_H)
|
|
&& curwin->w_cursor.col > ins_compl_col()
|
|
&& (s->c = ins_compl_bs()) == NUL) {
|
|
return 1; // continue
|
|
}
|
|
|
|
// When no match was selected or it was edited.
|
|
if (!ins_compl_used_match()) {
|
|
// CTRL-L: Add one character from the current match to
|
|
// "compl_leader". Except when at the original match and
|
|
// there is nothing to add, CTRL-L works like CTRL-P then.
|
|
if (s->c == Ctrl_L
|
|
&& (!ctrl_x_mode_line_or_eval()
|
|
|| ins_compl_long_shown_match())) {
|
|
ins_compl_addfrommatch();
|
|
return 1; // continue
|
|
}
|
|
|
|
// A non-white character that fits in with the current
|
|
// completion: Add to "compl_leader".
|
|
if (ins_compl_accept_char(s->c)) {
|
|
// Trigger InsertCharPre.
|
|
char *str = do_insert_char_pre(s->c);
|
|
|
|
if (str != NULL) {
|
|
for (char *p = str; *p != NUL; MB_PTR_ADV(p)) {
|
|
ins_compl_addleader(utf_ptr2char(p));
|
|
}
|
|
xfree(str);
|
|
} else {
|
|
ins_compl_addleader(s->c);
|
|
}
|
|
return 1; // continue
|
|
}
|
|
|
|
// Pressing CTRL-Y selects the current match. When
|
|
// compl_enter_selects is set the Enter key does the same.
|
|
if ((s->c == Ctrl_Y
|
|
|| (ins_compl_enter_selects()
|
|
&& (s->c == CAR || s->c == K_KENTER || s->c == NL)))
|
|
&& stop_arrow() == OK) {
|
|
ins_compl_delete(false);
|
|
ins_compl_insert(false);
|
|
} else if (ascii_iswhite_nl_or_nul(s->c) && ins_compl_preinsert_effect()) {
|
|
// Delete preinserted text when typing special chars
|
|
ins_compl_delete(false);
|
|
}
|
|
}
|
|
}
|
|
|
|
// Prepare for or stop CTRL-X mode. This doesn't do completion, but it does
|
|
// fix up the text when finishing completion.
|
|
ins_compl_init_get_longest();
|
|
if (ins_compl_prep(s->c)) {
|
|
return 1; // continue
|
|
}
|
|
|
|
// CTRL-\ CTRL-N goes to Normal mode,
|
|
// CTRL-\ CTRL-O is like CTRL-O but without moving the cursor
|
|
if (s->c == Ctrl_BSL) {
|
|
// may need to redraw when no more chars available now
|
|
ins_redraw(false);
|
|
no_mapping++;
|
|
allow_keys++;
|
|
s->c = plain_vgetc();
|
|
no_mapping--;
|
|
allow_keys--;
|
|
if (s->c != Ctrl_N && s->c != Ctrl_G && s->c != Ctrl_O) {
|
|
// it's something else
|
|
vungetc(s->c);
|
|
s->c = Ctrl_BSL;
|
|
} else {
|
|
if (s->c == Ctrl_O) {
|
|
ins_ctrl_o();
|
|
ins_at_eol = false; // cursor keeps its column
|
|
s->nomove = true;
|
|
}
|
|
s->count = 0;
|
|
return 0;
|
|
}
|
|
}
|
|
|
|
if (s->c != K_EVENT) {
|
|
s->c = do_digraph(s->c);
|
|
}
|
|
|
|
if ((s->c == Ctrl_V || s->c == Ctrl_Q) && ctrl_x_mode_cmdline()) {
|
|
insert_do_complete(s);
|
|
return 1;
|
|
}
|
|
|
|
if (s->c == Ctrl_V || s->c == Ctrl_Q) {
|
|
ins_ctrl_v();
|
|
s->c = Ctrl_V; // pretend CTRL-V is last typed character
|
|
return 1; // continue
|
|
}
|
|
|
|
if (cindent_on() && ctrl_x_mode_none()) {
|
|
s->line_is_white = inindent(0);
|
|
// A key name preceded by a bang means this key is not to be
|
|
// inserted. Skip ahead to the re-indenting below.
|
|
if (in_cinkeys(s->c, '!', s->line_is_white)
|
|
&& stop_arrow() == OK) {
|
|
do_c_expr_indent();
|
|
return 1; // continue
|
|
}
|
|
|
|
// A key name preceded by a star means that indenting has to be
|
|
// done before inserting the key.
|
|
if (can_cindent && in_cinkeys(s->c, '*', s->line_is_white)
|
|
&& stop_arrow() == OK) {
|
|
do_c_expr_indent();
|
|
}
|
|
}
|
|
|
|
if (curwin->w_p_rl) {
|
|
switch (s->c) {
|
|
case K_LEFT:
|
|
s->c = K_RIGHT; break;
|
|
case K_S_LEFT:
|
|
s->c = K_S_RIGHT; break;
|
|
case K_C_LEFT:
|
|
s->c = K_C_RIGHT; break;
|
|
case K_RIGHT:
|
|
s->c = K_LEFT; break;
|
|
case K_S_RIGHT:
|
|
s->c = K_S_LEFT; break;
|
|
case K_C_RIGHT:
|
|
s->c = K_C_LEFT; break;
|
|
}
|
|
}
|
|
|
|
// If 'keymodel' contains "startsel", may start selection. If it
|
|
// does, a CTRL-O and c will be stuffed, we need to get these
|
|
// characters.
|
|
if (ins_start_select(s->c)) {
|
|
return 1; // continue
|
|
}
|
|
|
|
return insert_handle_key(s);
|
|
}
|
|
|
|
static int insert_handle_key(InsertState *s)
|
|
{
|
|
// The big switch to handle a character in insert mode.
|
|
// TODO(tarruda): This could look better if a lookup table is used.
|
|
// (similar to normal mode `nv_cmds[]`)
|
|
switch (s->c) {
|
|
case ESC: // End input mode
|
|
if (echeck_abbr(ESC + ABBR_OFF)) {
|
|
break;
|
|
}
|
|
FALLTHROUGH;
|
|
|
|
case Ctrl_C: // End input mode
|
|
if (s->c == Ctrl_C && cmdwin_type != 0) {
|
|
// Close the cmdline window.
|
|
cmdwin_result = K_IGNORE;
|
|
got_int = false; // don't stop executing autocommands et al
|
|
s->nomove = true;
|
|
return 0; // exit insert mode
|
|
}
|
|
if (s->c == Ctrl_C && bt_prompt(curbuf)) {
|
|
if (invoke_prompt_interrupt()) {
|
|
if (!bt_prompt(curbuf)) {
|
|
// buffer changed to a non-prompt buffer, get out of
|
|
// Insert mode
|
|
return 0;
|
|
}
|
|
break;
|
|
}
|
|
}
|
|
|
|
return 0; // exit insert mode
|
|
|
|
case Ctrl_Z:
|
|
goto normalchar; // insert CTRL-Z as normal char
|
|
|
|
case Ctrl_O: // execute one command
|
|
if (ctrl_x_mode_omni()) {
|
|
insert_do_complete(s);
|
|
break;
|
|
}
|
|
|
|
if (echeck_abbr(Ctrl_O + ABBR_OFF)) {
|
|
break;
|
|
}
|
|
|
|
ins_ctrl_o();
|
|
|
|
// don't move the cursor left when 'virtualedit' has "onemore".
|
|
if (get_ve_flags(curwin) & kOptVeFlagOnemore) {
|
|
ins_at_eol = false;
|
|
s->nomove = true;
|
|
}
|
|
|
|
s->count = 0;
|
|
return 0; // exit insert mode
|
|
|
|
case K_INS: // toggle insert/replace mode
|
|
case K_KINS:
|
|
ins_insert(s->replaceState);
|
|
break;
|
|
|
|
case K_SELECT: // end of Select mode mapping - ignore
|
|
break;
|
|
|
|
case K_HELP: // Help key works like <ESC> <Help>
|
|
case K_F1:
|
|
case K_XF1:
|
|
stuffcharReadbuff(K_HELP);
|
|
return 0; // exit insert mode
|
|
|
|
case ' ':
|
|
if (mod_mask != MOD_MASK_CTRL) {
|
|
goto normalchar;
|
|
}
|
|
FALLTHROUGH;
|
|
case K_ZERO: // Insert the previously inserted text.
|
|
case NUL:
|
|
case Ctrl_A:
|
|
// For ^@ the trailing ESC will end the insert, unless there is an
|
|
// error.
|
|
if (stuff_inserted(NUL, 1, (s->c == Ctrl_A)) == FAIL
|
|
&& s->c != Ctrl_A) {
|
|
return 0; // exit insert mode
|
|
}
|
|
s->inserted_space = false;
|
|
break;
|
|
|
|
case Ctrl_R: // insert the contents of a register
|
|
if (ctrl_x_mode_register() && !ins_compl_active()) {
|
|
insert_do_complete(s);
|
|
break;
|
|
}
|
|
ins_reg();
|
|
auto_format(false, true);
|
|
s->inserted_space = false;
|
|
break;
|
|
|
|
case Ctrl_G: // commands starting with CTRL-G
|
|
ins_ctrl_g();
|
|
break;
|
|
|
|
case Ctrl_HAT: // switch input mode and/or langmap
|
|
ins_ctrl_hat();
|
|
break;
|
|
|
|
case Ctrl__: // switch between languages
|
|
if (!p_ari) {
|
|
goto normalchar;
|
|
}
|
|
ins_ctrl_();
|
|
break;
|
|
|
|
case Ctrl_D: // Make indent one shiftwidth smaller.
|
|
if (ctrl_x_mode_path_defines()) {
|
|
insert_do_complete(s);
|
|
break;
|
|
}
|
|
FALLTHROUGH;
|
|
|
|
case Ctrl_T: // Make indent one shiftwidth greater.
|
|
if (s->c == Ctrl_T && ctrl_x_mode_thesaurus()) {
|
|
if (check_compl_option(false)) {
|
|
insert_do_complete(s);
|
|
}
|
|
break;
|
|
}
|
|
ins_shift(s->c, s->lastc);
|
|
auto_format(false, true);
|
|
s->inserted_space = false;
|
|
break;
|
|
|
|
case K_DEL: // delete character under the cursor
|
|
case K_KDEL:
|
|
ins_del();
|
|
auto_format(false, true);
|
|
break;
|
|
|
|
case K_BS: // delete character before the cursor
|
|
case Ctrl_H:
|
|
s->did_backspace = ins_bs(s->c, BACKSPACE_CHAR, &s->inserted_space);
|
|
auto_format(false, true);
|
|
break;
|
|
|
|
case Ctrl_W: // delete word before the cursor
|
|
if (bt_prompt(curbuf) && (mod_mask & MOD_MASK_SHIFT) == 0) {
|
|
// In a prompt window CTRL-W is used for window commands.
|
|
// Use Shift-CTRL-W to delete a word.
|
|
stuffcharReadbuff(Ctrl_W);
|
|
restart_edit = 'A';
|
|
s->nomove = true;
|
|
s->count = 0;
|
|
return 0;
|
|
}
|
|
s->did_backspace = ins_bs(s->c, BACKSPACE_WORD, &s->inserted_space);
|
|
auto_format(false, true);
|
|
break;
|
|
|
|
case Ctrl_U: // delete all inserted text in current line
|
|
// CTRL-X CTRL-U completes with 'completefunc'.
|
|
if (ctrl_x_mode_function()) {
|
|
insert_do_complete(s);
|
|
} else {
|
|
s->did_backspace = ins_bs(s->c, BACKSPACE_LINE, &s->inserted_space);
|
|
auto_format(false, true);
|
|
s->inserted_space = false;
|
|
}
|
|
break;
|
|
|
|
case K_LEFTMOUSE: // mouse keys
|
|
case K_LEFTMOUSE_NM:
|
|
case K_LEFTDRAG:
|
|
case K_LEFTRELEASE:
|
|
case K_LEFTRELEASE_NM:
|
|
case K_MOUSEMOVE:
|
|
case K_MIDDLEMOUSE:
|
|
case K_MIDDLEDRAG:
|
|
case K_MIDDLERELEASE:
|
|
case K_RIGHTMOUSE:
|
|
case K_RIGHTDRAG:
|
|
case K_RIGHTRELEASE:
|
|
case K_X1MOUSE:
|
|
case K_X1DRAG:
|
|
case K_X1RELEASE:
|
|
case K_X2MOUSE:
|
|
case K_X2DRAG:
|
|
case K_X2RELEASE:
|
|
ins_mouse(s->c);
|
|
break;
|
|
|
|
case K_MOUSEDOWN: // Default action for scroll wheel up: scroll up
|
|
ins_mousescroll(MSCR_DOWN);
|
|
break;
|
|
|
|
case K_MOUSEUP: // Default action for scroll wheel down: scroll down
|
|
ins_mousescroll(MSCR_UP);
|
|
break;
|
|
|
|
case K_MOUSELEFT: // Scroll wheel left
|
|
ins_mousescroll(MSCR_LEFT);
|
|
break;
|
|
|
|
case K_MOUSERIGHT: // Scroll wheel right
|
|
ins_mousescroll(MSCR_RIGHT);
|
|
break;
|
|
|
|
case K_IGNORE: // Something mapped to nothing
|
|
break;
|
|
|
|
case K_PASTE_START:
|
|
paste_repeat(1);
|
|
goto check_pum;
|
|
|
|
case K_EVENT: // some event
|
|
state_handle_k_event();
|
|
// If CTRL-G U was used apply it to the next typed key.
|
|
if (dont_sync_undo == kTrue) {
|
|
dont_sync_undo = kNone;
|
|
}
|
|
goto check_pum;
|
|
|
|
case K_COMMAND: // <Cmd>command<CR>
|
|
do_cmdline(NULL, getcmdkeycmd, NULL, 0);
|
|
goto check_pum;
|
|
|
|
case K_LUA:
|
|
map_execute_lua(false);
|
|
|
|
check_pum:
|
|
// nvim_select_popupmenu_item() can be called from the handling of
|
|
// K_EVENT, K_COMMAND, or K_LUA.
|
|
// TODO(bfredl): Not entirely sure this indirection is necessary
|
|
// but doing like this ensures using nvim_select_popupmenu_item is
|
|
// equivalent to selecting the item with a typed key.
|
|
if (pum_want.active) {
|
|
if (pum_visible()) {
|
|
// Set this to NULL so that ins_complete() will update the message.
|
|
edit_submode_extra = NULL;
|
|
insert_do_complete(s);
|
|
if (pum_want.finish) {
|
|
// accept the item and stop completion
|
|
ins_compl_prep(Ctrl_Y);
|
|
}
|
|
}
|
|
pum_want.active = false;
|
|
}
|
|
|
|
if (curbuf->b_u_synced) {
|
|
// The K_EVENT, K_COMMAND, or K_LUA caused undo to be synced.
|
|
// Need to save the line for undo before inserting the next char.
|
|
ins_need_undo = true;
|
|
}
|
|
break;
|
|
|
|
case K_HOME: // <Home>
|
|
case K_KHOME:
|
|
case K_S_HOME:
|
|
case K_C_HOME:
|
|
ins_home(s->c);
|
|
break;
|
|
|
|
case K_END: // <End>
|
|
case K_KEND:
|
|
case K_S_END:
|
|
case K_C_END:
|
|
ins_end(s->c);
|
|
break;
|
|
|
|
case K_LEFT: // <Left>
|
|
if (mod_mask & (MOD_MASK_SHIFT|MOD_MASK_CTRL)) {
|
|
ins_s_left();
|
|
} else {
|
|
ins_left();
|
|
}
|
|
break;
|
|
|
|
case K_S_LEFT: // <S-Left>
|
|
case K_C_LEFT:
|
|
ins_s_left();
|
|
break;
|
|
|
|
case K_RIGHT: // <Right>
|
|
if (mod_mask & (MOD_MASK_SHIFT|MOD_MASK_CTRL)) {
|
|
ins_s_right();
|
|
} else {
|
|
ins_right();
|
|
}
|
|
break;
|
|
|
|
case K_S_RIGHT: // <S-Right>
|
|
case K_C_RIGHT:
|
|
ins_s_right();
|
|
break;
|
|
|
|
case K_UP: // <Up>
|
|
if (pum_visible()) {
|
|
insert_do_complete(s);
|
|
} else if (mod_mask & MOD_MASK_SHIFT) {
|
|
ins_pageup();
|
|
} else {
|
|
ins_up(false);
|
|
}
|
|
break;
|
|
|
|
case K_S_UP: // <S-Up>
|
|
case K_PAGEUP:
|
|
case K_KPAGEUP:
|
|
if (pum_visible()) {
|
|
insert_do_complete(s);
|
|
} else {
|
|
ins_pageup();
|
|
}
|
|
break;
|
|
|
|
case K_DOWN: // <Down>
|
|
if (pum_visible()) {
|
|
insert_do_complete(s);
|
|
} else if (mod_mask & MOD_MASK_SHIFT) {
|
|
ins_pagedown();
|
|
} else {
|
|
ins_down(false);
|
|
}
|
|
break;
|
|
|
|
case K_S_DOWN: // <S-Down>
|
|
case K_PAGEDOWN:
|
|
case K_KPAGEDOWN:
|
|
if (pum_visible()) {
|
|
insert_do_complete(s);
|
|
} else {
|
|
ins_pagedown();
|
|
}
|
|
break;
|
|
|
|
case K_S_TAB: // When not mapped, use like a normal TAB
|
|
s->c = TAB;
|
|
FALLTHROUGH;
|
|
|
|
case TAB: // TAB or Complete patterns along path
|
|
if (ctrl_x_mode_path_patterns()) {
|
|
insert_do_complete(s);
|
|
break;
|
|
}
|
|
s->inserted_space = false;
|
|
if (ins_tab()) {
|
|
goto normalchar; // insert TAB as a normal char
|
|
}
|
|
auto_format(false, true);
|
|
break;
|
|
|
|
case K_KENTER: // <Enter>
|
|
s->c = CAR;
|
|
FALLTHROUGH;
|
|
case CAR:
|
|
case NL:
|
|
// In a quickfix window a <CR> jumps to the error under the
|
|
// cursor.
|
|
if (bt_quickfix(curbuf) && s->c == CAR) {
|
|
if (curwin->w_llist_ref == NULL) { // quickfix window
|
|
do_cmdline_cmd(".cc");
|
|
} else { // location list window
|
|
do_cmdline_cmd(".ll");
|
|
}
|
|
break;
|
|
}
|
|
if (cmdwin_type != 0) {
|
|
// Execute the command in the cmdline window.
|
|
cmdwin_result = CAR;
|
|
return 0;
|
|
}
|
|
if ((mod_mask & MOD_MASK_SHIFT) == 0 && bt_prompt(curbuf)) {
|
|
prompt_invoke_callback();
|
|
if (!bt_prompt(curbuf)) {
|
|
// buffer changed to a non-prompt buffer, get out of
|
|
// Insert mode
|
|
return 0;
|
|
}
|
|
break;
|
|
}
|
|
if (!ins_eol(s->c)) {
|
|
return 0; // out of memory
|
|
}
|
|
auto_format(false, false);
|
|
s->inserted_space = false;
|
|
break;
|
|
|
|
case Ctrl_K: // digraph or keyword completion
|
|
if (ctrl_x_mode_dictionary()) {
|
|
if (check_compl_option(true)) {
|
|
insert_do_complete(s);
|
|
}
|
|
break;
|
|
}
|
|
|
|
s->c = ins_digraph();
|
|
if (s->c == NUL) {
|
|
break;
|
|
}
|
|
goto normalchar;
|
|
|
|
case Ctrl_X: // Enter CTRL-X mode
|
|
ins_ctrl_x();
|
|
break;
|
|
|
|
case Ctrl_RSB: // Tag name completion after ^X
|
|
if (!ctrl_x_mode_tags()) {
|
|
goto normalchar;
|
|
} else {
|
|
insert_do_complete(s);
|
|
}
|
|
break;
|
|
|
|
case Ctrl_F: // File name completion after ^X
|
|
if (!ctrl_x_mode_files()) {
|
|
goto normalchar;
|
|
} else {
|
|
insert_do_complete(s);
|
|
}
|
|
break;
|
|
|
|
case 's': // Spelling completion after ^X
|
|
case Ctrl_S:
|
|
if (!ctrl_x_mode_spell()) {
|
|
goto normalchar;
|
|
} else {
|
|
insert_do_complete(s);
|
|
}
|
|
break;
|
|
|
|
case Ctrl_L: // Whole line completion after ^X
|
|
if (!ctrl_x_mode_whole_line()) {
|
|
goto normalchar;
|
|
}
|
|
FALLTHROUGH;
|
|
|
|
case Ctrl_P: // Do previous/next pattern completion
|
|
case Ctrl_N:
|
|
// if 'complete' is empty then plain ^P is no longer special,
|
|
// but it is under other ^X modes
|
|
if (*curbuf->b_p_cpt == NUL
|
|
&& (ctrl_x_mode_normal() || ctrl_x_mode_whole_line())
|
|
&& !compl_status_local()) {
|
|
goto normalchar;
|
|
}
|
|
|
|
insert_do_complete(s);
|
|
break;
|
|
|
|
case Ctrl_Y: // copy from previous line or scroll down
|
|
case Ctrl_E: // copy from next line or scroll up
|
|
s->c = ins_ctrl_ey(s->c);
|
|
break;
|
|
|
|
default:
|
|
|
|
normalchar:
|
|
// Insert a normal character.
|
|
|
|
if (!p_paste) {
|
|
// Trigger InsertCharPre.
|
|
char *str = do_insert_char_pre(s->c);
|
|
|
|
if (str != NULL) {
|
|
if (*str != NUL && stop_arrow() != FAIL) {
|
|
// Insert the new value of v:char literally.
|
|
for (char *p = str; *p != NUL; MB_PTR_ADV(p)) {
|
|
s->c = utf_ptr2char(p);
|
|
if (s->c == CAR || s->c == K_KENTER || s->c == NL) {
|
|
ins_eol(s->c);
|
|
} else {
|
|
ins_char(s->c);
|
|
}
|
|
}
|
|
AppendToRedobuffLit(str, -1);
|
|
}
|
|
xfree(str);
|
|
s->c = NUL;
|
|
}
|
|
|
|
// If the new value is already inserted or an empty string
|
|
// then don't insert any character.
|
|
if (s->c == NUL) {
|
|
break;
|
|
}
|
|
}
|
|
// Try to perform smart-indenting.
|
|
ins_try_si(s->c);
|
|
|
|
if (s->c == ' ') {
|
|
s->inserted_space = true;
|
|
if (inindent(0)) {
|
|
can_cindent = false;
|
|
}
|
|
if (Insstart_blank_vcol == MAXCOL
|
|
&& curwin->w_cursor.lnum == Insstart.lnum) {
|
|
Insstart_blank_vcol = get_nolist_virtcol();
|
|
}
|
|
}
|
|
|
|
// Insert a normal character and check for abbreviations on a
|
|
// special character. Let CTRL-] expand abbreviations without
|
|
// inserting it.
|
|
if (vim_iswordc(s->c)
|
|
// Add ABBR_OFF for characters above 0x100, this is
|
|
// what check_abbr() expects.
|
|
|| (!echeck_abbr((s->c >= 0x100) ? (s->c + ABBR_OFF) : s->c)
|
|
&& s->c != Ctrl_RSB)) {
|
|
insert_special(s->c, false, false);
|
|
revins_legal++;
|
|
revins_chars++;
|
|
}
|
|
|
|
auto_format(false, true);
|
|
|
|
// When inserting a character the cursor line must never be in a
|
|
// closed fold.
|
|
foldOpenCursor();
|
|
break;
|
|
} // end of switch (s->c)
|
|
|
|
return 1; // continue
|
|
}
|
|
|
|
static void insert_do_complete(InsertState *s)
|
|
{
|
|
compl_busy = true;
|
|
disable_fold_update++; // don't redraw folds here
|
|
if (ins_complete(s->c, true) == FAIL) {
|
|
compl_status_clear();
|
|
}
|
|
disable_fold_update--;
|
|
compl_busy = false;
|
|
can_si = may_do_si(); // allow smartindenting
|
|
}
|
|
|
|
static void insert_do_cindent(InsertState *s)
|
|
{
|
|
// Indent now if a key was typed that is in 'cinkeys'.
|
|
if (in_cinkeys(s->c, ' ', s->line_is_white)) {
|
|
if (stop_arrow() == OK) {
|
|
// re-indent the current line
|
|
do_c_expr_indent();
|
|
}
|
|
}
|
|
}
|
|
|
|
/// edit(): Start inserting text.
|
|
///
|
|
/// "cmdchar" can be:
|
|
/// 'i' normal insert command
|
|
/// 'a' normal append command
|
|
/// 'R' replace command
|
|
/// 'r' "r<CR>" command: insert one <CR>.
|
|
/// Note: count can be > 1, for redo, but still only one <CR> is inserted.
|
|
/// <Esc> is not used for redo.
|
|
/// 'g' "gI" command.
|
|
/// 'V' "gR" command for Virtual Replace mode.
|
|
/// 'v' "gr" command for single character Virtual Replace mode.
|
|
///
|
|
/// This function is not called recursively. For CTRL-O commands, it returns
|
|
/// and lets the caller handle the Normal-mode command.
|
|
///
|
|
/// @param cmdchar command that started the insert
|
|
/// @param startln if true, insert at start of line
|
|
/// @param count repeat count for the command
|
|
///
|
|
/// @return true if a CTRL-O command caused the return (insert mode pending).
|
|
bool edit(int cmdchar, bool startln, int count)
|
|
{
|
|
if (curbuf->terminal) {
|
|
if (ex_normal_busy) {
|
|
// Do not enter terminal mode from ex_normal(), which would cause havoc
|
|
// (such as terminal-mode recursiveness). Instead set a flag to force-set
|
|
// the value of `restart_edit` before `ex_normal` returns.
|
|
restart_edit = 'i';
|
|
force_restart_edit = true;
|
|
return false;
|
|
}
|
|
return terminal_enter();
|
|
}
|
|
|
|
// Don't allow inserting in the sandbox.
|
|
if (sandbox != 0) {
|
|
emsg(_(e_sandbox));
|
|
return false;
|
|
}
|
|
|
|
// Don't allow changes in the buffer while editing the cmdline. The
|
|
// caller of getcmdline() may get confused.
|
|
// Don't allow recursive insert mode when busy with completion.
|
|
// Allow in dummy buffers since they are only used internally
|
|
if (textlock != 0 || ins_compl_active() || compl_busy || pum_visible()
|
|
|| expr_map_locked()) {
|
|
emsg(_(e_textlock));
|
|
return false;
|
|
}
|
|
|
|
InsertState s[1];
|
|
memset(s, 0, sizeof(InsertState));
|
|
s->state.execute = insert_execute;
|
|
s->state.check = insert_check;
|
|
s->cmdchar = cmdchar;
|
|
s->startln = startln;
|
|
s->count = count;
|
|
insert_enter(s);
|
|
return s->c == Ctrl_O;
|
|
}
|
|
|
|
bool ins_need_undo_get(void)
|
|
{
|
|
return ins_need_undo;
|
|
}
|
|
|
|
/// Redraw for Insert mode.
|
|
/// This is postponed until getting the next character to make '$' in the 'cpo'
|
|
/// option work correctly.
|
|
/// Only redraw when there are no characters available. This speeds up
|
|
/// inserting sequences of characters (e.g., for CTRL-R).
|
|
///
|
|
/// @param ready not busy with something
|
|
void ins_redraw(bool ready)
|
|
{
|
|
if (char_avail()) {
|
|
return;
|
|
}
|
|
|
|
// Trigger CursorMoved if the cursor moved. Not when the popup menu is
|
|
// visible, the command might delete it.
|
|
if (ready && has_event(EVENT_CURSORMOVEDI)
|
|
&& (last_cursormoved_win != curwin
|
|
|| !equalpos(last_cursormoved, curwin->w_cursor))
|
|
&& !pum_visible()) {
|
|
// Need to update the screen first, to make sure syntax
|
|
// highlighting is correct after making a change (e.g., inserting
|
|
// a "(". The autocommand may also require a redraw, so it's done
|
|
// again below, unfortunately.
|
|
if (syntax_present(curwin) && must_redraw) {
|
|
update_screen();
|
|
}
|
|
// Make sure curswant is correct, an autocommand may call
|
|
// getcurpos()
|
|
update_curswant();
|
|
ins_apply_autocmds(EVENT_CURSORMOVEDI);
|
|
last_cursormoved_win = curwin;
|
|
last_cursormoved = curwin->w_cursor;
|
|
}
|
|
|
|
// Trigger TextChangedI if changedtick_i differs.
|
|
if (ready && has_event(EVENT_TEXTCHANGEDI)
|
|
&& curbuf->b_last_changedtick_i != buf_get_changedtick(curbuf)
|
|
&& !pum_visible()) {
|
|
aco_save_T aco;
|
|
varnumber_T tick = buf_get_changedtick(curbuf);
|
|
|
|
// save and restore curwin and curbuf, in case the autocmd changes them
|
|
aucmd_prepbuf(&aco, curbuf);
|
|
apply_autocmds(EVENT_TEXTCHANGEDI, NULL, NULL, false, curbuf);
|
|
aucmd_restbuf(&aco);
|
|
curbuf->b_last_changedtick_i = buf_get_changedtick(curbuf);
|
|
if (tick != buf_get_changedtick(curbuf)) { // see ins_apply_autocmds()
|
|
u_save(curwin->w_cursor.lnum,
|
|
(linenr_T)(curwin->w_cursor.lnum + 1));
|
|
}
|
|
}
|
|
|
|
// Trigger TextChangedP if changedtick_pum differs. When the popupmenu
|
|
// closes TextChangedI will need to trigger for backwards compatibility,
|
|
// thus use different b_last_changedtick* variables.
|
|
if (ready && has_event(EVENT_TEXTCHANGEDP)
|
|
&& curbuf->b_last_changedtick_pum != buf_get_changedtick(curbuf)
|
|
&& pum_visible()) {
|
|
aco_save_T aco;
|
|
varnumber_T tick = buf_get_changedtick(curbuf);
|
|
|
|
// save and restore curwin and curbuf, in case the autocmd changes them
|
|
aucmd_prepbuf(&aco, curbuf);
|
|
apply_autocmds(EVENT_TEXTCHANGEDP, NULL, NULL, false, curbuf);
|
|
aucmd_restbuf(&aco);
|
|
curbuf->b_last_changedtick_pum = buf_get_changedtick(curbuf);
|
|
if (tick != buf_get_changedtick(curbuf)) { // see ins_apply_autocmds()
|
|
u_save(curwin->w_cursor.lnum,
|
|
(linenr_T)(curwin->w_cursor.lnum + 1));
|
|
}
|
|
}
|
|
|
|
if (ready) {
|
|
may_trigger_win_scrolled_resized();
|
|
}
|
|
|
|
// Trigger BufModified if b_changed_invalid is set.
|
|
if (ready && has_event(EVENT_BUFMODIFIEDSET)
|
|
&& curbuf->b_changed_invalid == true
|
|
&& !pum_visible()) {
|
|
apply_autocmds(EVENT_BUFMODIFIEDSET, NULL, NULL, false, curbuf);
|
|
curbuf->b_changed_invalid = false;
|
|
}
|
|
|
|
// Trigger SafeState if nothing is pending.
|
|
may_trigger_safestate(ready
|
|
&& !ins_compl_active()
|
|
&& !pum_visible());
|
|
|
|
pum_check_clear();
|
|
show_cursor_info_later(false);
|
|
if (must_redraw) {
|
|
update_screen();
|
|
} else {
|
|
redraw_statuslines();
|
|
if (clear_cmdline || redraw_cmdline || redraw_mode) {
|
|
showmode(); // clear cmdline and show mode
|
|
}
|
|
}
|
|
setcursor();
|
|
emsg_on_display = false; // may remove error message now
|
|
}
|
|
|
|
// Handle a CTRL-V or CTRL-Q typed in Insert mode.
|
|
static void ins_ctrl_v(void)
|
|
{
|
|
bool did_putchar = false;
|
|
|
|
// may need to redraw when no more chars available now
|
|
ins_redraw(false);
|
|
|
|
if (redrawing() && !char_avail()) {
|
|
edit_putchar('^', true);
|
|
did_putchar = true;
|
|
}
|
|
AppendToRedobuff(CTRL_V_STR);
|
|
|
|
add_to_showcmd_c(Ctrl_V);
|
|
|
|
// Do not include modifiers into the key for CTRL-SHIFT-V.
|
|
int c = get_literal(mod_mask & MOD_MASK_SHIFT);
|
|
if (did_putchar) {
|
|
// when the line fits in 'columns' the '^' is at the start of the next
|
|
// line and will not removed by the redraw
|
|
edit_unputchar();
|
|
}
|
|
clear_showcmd();
|
|
insert_special(c, true, true);
|
|
revins_chars++;
|
|
revins_legal++;
|
|
}
|
|
|
|
// Put a character directly onto the screen. It's not stored in a buffer.
|
|
// Used while handling CTRL-K, CTRL-V, etc. in Insert mode.
|
|
static int pc_status;
|
|
#define PC_STATUS_UNSET 0 // nothing was put on screen
|
|
#define PC_STATUS_RIGHT 1 // right half of double-wide char
|
|
#define PC_STATUS_LEFT 2 // left half of double-wide char
|
|
#define PC_STATUS_SET 3 // pc_schar was filled
|
|
static schar_T pc_schar; // saved char
|
|
static int pc_attr;
|
|
static int pc_row;
|
|
static int pc_col;
|
|
|
|
void edit_putchar(int c, bool highlight)
|
|
{
|
|
if (curwin->w_grid_alloc.chars == NULL && default_grid.chars == NULL) {
|
|
return;
|
|
}
|
|
|
|
int attr;
|
|
update_topline(curwin); // just in case w_topline isn't valid
|
|
validate_cursor(curwin);
|
|
if (highlight) {
|
|
attr = HL_ATTR(HLF_8);
|
|
} else {
|
|
attr = 0;
|
|
}
|
|
pc_row = curwin->w_wrow;
|
|
pc_status = PC_STATUS_UNSET;
|
|
grid_line_start(&curwin->w_grid, pc_row);
|
|
if (curwin->w_p_rl) {
|
|
pc_col = curwin->w_view_width - 1 - curwin->w_wcol;
|
|
|
|
if (grid_line_getchar(pc_col, NULL) == NUL) {
|
|
grid_line_put_schar(pc_col - 1, schar_from_ascii(' '), attr);
|
|
curwin->w_wcol--;
|
|
pc_status = PC_STATUS_RIGHT;
|
|
}
|
|
} else {
|
|
pc_col = curwin->w_wcol;
|
|
|
|
if (grid_line_getchar(pc_col + 1, NULL) == NUL) {
|
|
// pc_col is the left half of a double-width char
|
|
pc_status = PC_STATUS_LEFT;
|
|
}
|
|
}
|
|
|
|
// save the character to be able to put it back
|
|
if (pc_status == PC_STATUS_UNSET) {
|
|
pc_schar = grid_line_getchar(pc_col, &pc_attr);
|
|
pc_status = PC_STATUS_SET;
|
|
}
|
|
|
|
char buf[MB_MAXCHAR + 1];
|
|
grid_line_puts(pc_col, buf, utf_char2bytes(c, buf), attr);
|
|
grid_line_flush();
|
|
}
|
|
|
|
/// @return the effective prompt for the specified buffer.
|
|
char *buf_prompt_text(const buf_T *const buf)
|
|
FUNC_ATTR_NONNULL_ALL FUNC_ATTR_WARN_UNUSED_RESULT FUNC_ATTR_PURE
|
|
{
|
|
if (buf->b_prompt_text == NULL) {
|
|
return "% ";
|
|
}
|
|
return buf->b_prompt_text;
|
|
}
|
|
|
|
/// @return the effective prompt for the current buffer.
|
|
char *prompt_text(void)
|
|
FUNC_ATTR_WARN_UNUSED_RESULT FUNC_ATTR_PURE
|
|
{
|
|
return buf_prompt_text(curbuf);
|
|
}
|
|
|
|
// Prepare for prompt mode: Make sure the last line has the prompt text.
|
|
// Move the cursor to this line.
|
|
static void init_prompt(int cmdchar_todo)
|
|
{
|
|
char *prompt = prompt_text();
|
|
|
|
if (curwin->w_cursor.lnum < curbuf->b_prompt_start.mark.lnum) {
|
|
curwin->w_cursor.lnum = curbuf->b_ml.ml_line_count;
|
|
coladvance(curwin, MAXCOL);
|
|
}
|
|
char *text = get_cursor_line_ptr();
|
|
if ((curbuf->b_prompt_start.mark.lnum == curwin->w_cursor.lnum
|
|
&& strncmp(text, prompt, strlen(prompt)) != 0)
|
|
|| curbuf->b_prompt_start.mark.lnum > curwin->w_cursor.lnum) {
|
|
// prompt is missing, insert it or append a line with it
|
|
if (*text == NUL) {
|
|
ml_replace(curbuf->b_ml.ml_line_count, prompt, true);
|
|
} else {
|
|
ml_append(curbuf->b_ml.ml_line_count, prompt, 0, false);
|
|
}
|
|
curwin->w_cursor.lnum = curbuf->b_ml.ml_line_count;
|
|
coladvance(curwin, MAXCOL);
|
|
inserted_bytes(curbuf->b_ml.ml_line_count, 0, 0, (colnr_T)strlen(prompt));
|
|
}
|
|
|
|
// Insert always starts after the prompt, allow editing text after it.
|
|
if (Insstart_orig.lnum != curbuf->b_prompt_start.mark.lnum
|
|
|| Insstart_orig.col != (colnr_T)strlen(prompt)) {
|
|
Insstart.lnum = curbuf->b_prompt_start.mark.lnum;
|
|
Insstart.col = (colnr_T)strlen(prompt);
|
|
Insstart_orig = Insstart;
|
|
Insstart_textlen = Insstart.col;
|
|
Insstart_blank_vcol = MAXCOL;
|
|
arrow_used = false;
|
|
}
|
|
|
|
if (cmdchar_todo == 'A') {
|
|
coladvance(curwin, MAXCOL);
|
|
}
|
|
if (curbuf->b_prompt_start.mark.lnum == curwin->w_cursor.lnum) {
|
|
curwin->w_cursor.col = MAX(curwin->w_cursor.col, (colnr_T)strlen(prompt));
|
|
}
|
|
// Make sure the cursor is in a valid position.
|
|
check_cursor(curwin);
|
|
}
|
|
|
|
/// @return true if the cursor is in the editable position of the prompt line.
|
|
bool prompt_curpos_editable(void)
|
|
FUNC_ATTR_PURE
|
|
{
|
|
return curwin->w_cursor.lnum > curbuf->b_prompt_start.mark.lnum
|
|
|| (curwin->w_cursor.lnum == curbuf->b_prompt_start.mark.lnum
|
|
&& curwin->w_cursor.col >= (int)strlen(prompt_text()));
|
|
}
|
|
|
|
// Undo the previous edit_putchar().
|
|
void edit_unputchar(void)
|
|
{
|
|
if (pc_status != PC_STATUS_UNSET) {
|
|
if (pc_status == PC_STATUS_RIGHT) {
|
|
curwin->w_wcol++;
|
|
}
|
|
if (pc_status == PC_STATUS_RIGHT || pc_status == PC_STATUS_LEFT) {
|
|
redrawWinline(curwin, curwin->w_cursor.lnum);
|
|
} else {
|
|
// TODO(bfredl): this could be smarter and also handle the dubyawidth case
|
|
grid_line_start(&curwin->w_grid, pc_row);
|
|
grid_line_put_schar(pc_col, pc_schar, pc_attr);
|
|
grid_line_flush();
|
|
}
|
|
}
|
|
}
|
|
|
|
/// Called when "$" is in 'cpoptions': display a '$' at the end of the changed
|
|
/// text. Only works when cursor is in the line that changes.
|
|
void display_dollar(colnr_T col_arg)
|
|
{
|
|
colnr_T col = MAX(col_arg, 0);
|
|
|
|
if (!redrawing()) {
|
|
return;
|
|
}
|
|
|
|
colnr_T save_col = curwin->w_cursor.col;
|
|
curwin->w_cursor.col = col;
|
|
|
|
// If on the last byte of a multi-byte move to the first byte.
|
|
char *p = get_cursor_line_ptr();
|
|
curwin->w_cursor.col -= utf_head_off(p, p + col);
|
|
curs_columns(curwin, false); // Recompute w_wrow and w_wcol
|
|
if (curwin->w_wcol < curwin->w_view_width) {
|
|
edit_putchar('$', false);
|
|
dollar_vcol = curwin->w_virtcol;
|
|
}
|
|
curwin->w_cursor.col = save_col;
|
|
}
|
|
|
|
// Call this function before moving the cursor from the normal insert position
|
|
// in insert mode.
|
|
void undisplay_dollar(void)
|
|
{
|
|
if (dollar_vcol < 0) {
|
|
return;
|
|
}
|
|
|
|
dollar_vcol = -1;
|
|
redrawWinline(curwin, curwin->w_cursor.lnum);
|
|
}
|
|
|
|
/// Insert an indent (for <Tab> or CTRL-T) or delete an indent (for CTRL-D).
|
|
/// Keep the cursor on the same character.
|
|
/// type == INDENT_INC increase indent (for CTRL-T or <Tab>)
|
|
/// type == INDENT_DEC decrease indent (for CTRL-D)
|
|
/// type == INDENT_SET set indent to "amount"
|
|
///
|
|
/// @param round if true, round the indent to 'shiftwidth' (only with _INC and _Dec).
|
|
/// @param call_changed_bytes call changed_bytes()
|
|
void change_indent(int type, int amount, int round, bool call_changed_bytes)
|
|
{
|
|
int insstart_less; // reduction for Insstart.col
|
|
colnr_T orig_col = 0; // init for GCC
|
|
char *orig_line = NULL; // init for GCC
|
|
|
|
// MODE_VREPLACE state needs to know what the line was like before changing
|
|
if (State & VREPLACE_FLAG) {
|
|
orig_line = xstrnsave(get_cursor_line_ptr(), (size_t)get_cursor_line_len());
|
|
orig_col = curwin->w_cursor.col;
|
|
}
|
|
|
|
// for the following tricks we don't want list mode
|
|
int save_p_list = curwin->w_p_list;
|
|
curwin->w_p_list = false;
|
|
colnr_T vc = getvcol_nolist(&curwin->w_cursor);
|
|
int vcol = vc;
|
|
|
|
// For Replace mode we need to fix the replace stack later, which is only
|
|
// possible when the cursor is in the indent. Remember the number of
|
|
// characters before the cursor if it's possible.
|
|
int start_col = curwin->w_cursor.col;
|
|
|
|
// determine offset from first non-blank
|
|
int new_cursor_col = curwin->w_cursor.col;
|
|
beginline(BL_WHITE);
|
|
new_cursor_col -= curwin->w_cursor.col;
|
|
|
|
insstart_less = curwin->w_cursor.col;
|
|
|
|
// If the cursor is in the indent, compute how many screen columns the
|
|
// cursor is to the left of the first non-blank.
|
|
if (new_cursor_col < 0) {
|
|
vcol = get_indent() - vcol;
|
|
}
|
|
|
|
if (new_cursor_col > 0) { // can't fix replace stack
|
|
start_col = -1;
|
|
}
|
|
|
|
// Set the new indent. The cursor will be put on the first non-blank.
|
|
if (type == INDENT_SET) {
|
|
set_indent(amount, call_changed_bytes ? SIN_CHANGED : 0);
|
|
} else {
|
|
int save_State = State;
|
|
|
|
// Avoid being called recursively.
|
|
if (State & VREPLACE_FLAG) {
|
|
State = MODE_INSERT;
|
|
}
|
|
shift_line(type == INDENT_DEC, round, 1, call_changed_bytes);
|
|
State = save_State;
|
|
}
|
|
insstart_less -= curwin->w_cursor.col;
|
|
|
|
// Try to put cursor on same character.
|
|
// If the cursor is at or after the first non-blank in the line,
|
|
// compute the cursor column relative to the column of the first
|
|
// non-blank character.
|
|
// If we are not in insert mode, leave the cursor on the first non-blank.
|
|
// If the cursor is before the first non-blank, position it relative
|
|
// to the first non-blank, counted in screen columns.
|
|
if (new_cursor_col >= 0) {
|
|
// When changing the indent while the cursor is touching it, reset
|
|
// Insstart_col to 0.
|
|
if (new_cursor_col == 0) {
|
|
insstart_less = MAXCOL;
|
|
}
|
|
new_cursor_col += curwin->w_cursor.col;
|
|
} else if (!(State & MODE_INSERT)) {
|
|
new_cursor_col = curwin->w_cursor.col;
|
|
} else {
|
|
// Compute the screen column where the cursor should be.
|
|
vcol = get_indent() - vcol;
|
|
int const end_vcol = (colnr_T)((vcol < 0) ? 0 : vcol);
|
|
curwin->w_virtcol = end_vcol;
|
|
|
|
// Advance the cursor until we reach the right screen column.
|
|
new_cursor_col = 0;
|
|
char *const line = get_cursor_line_ptr();
|
|
vcol = 0;
|
|
if (*line != NUL) {
|
|
CharsizeArg csarg;
|
|
CSType cstype = init_charsize_arg(&csarg, curwin, 0, line);
|
|
StrCharInfo ci = utf_ptr2StrCharInfo(line);
|
|
while (true) {
|
|
int next_vcol = vcol + win_charsize(cstype, vcol, ci.ptr, ci.chr.value, &csarg).width;
|
|
if (next_vcol > end_vcol) {
|
|
break;
|
|
}
|
|
vcol = next_vcol;
|
|
ci = utfc_next(ci);
|
|
if (*ci.ptr == NUL) {
|
|
break;
|
|
}
|
|
}
|
|
new_cursor_col = (int)(ci.ptr - line);
|
|
}
|
|
|
|
// May need to insert spaces to be able to position the cursor on
|
|
// the right screen column.
|
|
if (vcol != (int)curwin->w_virtcol) {
|
|
curwin->w_cursor.col = (colnr_T)new_cursor_col;
|
|
const size_t ptrlen = (size_t)(curwin->w_virtcol - vcol);
|
|
char *ptr = xmallocz(ptrlen);
|
|
memset(ptr, ' ', ptrlen);
|
|
new_cursor_col += (int)ptrlen;
|
|
ins_str(ptr, ptrlen);
|
|
xfree(ptr);
|
|
}
|
|
|
|
// When changing the indent while the cursor is in it, reset
|
|
// Insstart_col to 0.
|
|
insstart_less = MAXCOL;
|
|
}
|
|
|
|
curwin->w_p_list = save_p_list;
|
|
curwin->w_cursor.col = MAX(0, (colnr_T)new_cursor_col);
|
|
curwin->w_set_curswant = true;
|
|
changed_cline_bef_curs(curwin);
|
|
|
|
// May have to adjust the start of the insert.
|
|
if (State & MODE_INSERT) {
|
|
if (curwin->w_cursor.lnum == Insstart.lnum && Insstart.col != 0) {
|
|
if ((int)Insstart.col <= insstart_less) {
|
|
Insstart.col = 0;
|
|
} else {
|
|
Insstart.col -= insstart_less;
|
|
}
|
|
}
|
|
if ((int)ai_col <= insstart_less) {
|
|
ai_col = 0;
|
|
} else {
|
|
ai_col -= insstart_less;
|
|
}
|
|
}
|
|
|
|
// For MODE_REPLACE state, may have to fix the replace stack, if it's
|
|
// possible. If the number of characters before the cursor decreased, need
|
|
// to pop a few characters from the replace stack.
|
|
// If the number of characters before the cursor increased, need to push a
|
|
// few NULs onto the replace stack.
|
|
if (REPLACE_NORMAL(State) && start_col >= 0) {
|
|
while (start_col > (int)curwin->w_cursor.col) {
|
|
replace_join(0); // remove a NUL from the replace stack
|
|
start_col--;
|
|
}
|
|
while (start_col < (int)curwin->w_cursor.col) {
|
|
replace_push_nul();
|
|
start_col++;
|
|
}
|
|
}
|
|
|
|
// For MODE_VREPLACE state, we also have to fix the replace stack. In this
|
|
// case it is always possible because we backspace over the whole line and
|
|
// then put it back again the way we wanted it.
|
|
if (State & VREPLACE_FLAG) {
|
|
// Save new line
|
|
char *new_line = xstrnsave(get_cursor_line_ptr(), (size_t)get_cursor_line_len());
|
|
|
|
// We only put back the new line up to the cursor
|
|
new_line[curwin->w_cursor.col] = NUL;
|
|
int new_col = curwin->w_cursor.col;
|
|
|
|
// Put back original line
|
|
ml_replace(curwin->w_cursor.lnum, orig_line, false);
|
|
curwin->w_cursor.col = orig_col;
|
|
|
|
curbuf_splice_pending++;
|
|
|
|
// Backspace from cursor to start of line
|
|
backspace_until_column(0);
|
|
|
|
// Insert new stuff into line again
|
|
ins_bytes(new_line);
|
|
|
|
xfree(new_line);
|
|
|
|
curbuf_splice_pending--;
|
|
|
|
// TODO(bfredl): test for crazy edge cases, like we stand on a TAB or
|
|
// something? does this even do the right text change then?
|
|
int delta = orig_col - new_col;
|
|
extmark_splice_cols(curbuf, (int)curwin->w_cursor.lnum - 1, new_col,
|
|
delta < 0 ? -delta : 0,
|
|
delta > 0 ? delta : 0,
|
|
kExtmarkUndo);
|
|
}
|
|
}
|
|
|
|
/// Truncate the space at the end of a line. This is to be used only in an
|
|
/// insert mode. It handles fixing the replace stack for MODE_REPLACE and
|
|
/// MODE_VREPLACE modes.
|
|
void truncate_spaces(char *line, size_t len)
|
|
{
|
|
int i;
|
|
|
|
// find start of trailing white space
|
|
for (i = (int)len - 1; i >= 0 && ascii_iswhite(line[i]); i--) {
|
|
if (State & REPLACE_FLAG) {
|
|
replace_join(0); // remove a NUL from the replace stack
|
|
}
|
|
}
|
|
line[i + 1] = NUL;
|
|
}
|
|
|
|
/// Backspace the cursor until the given column. Handles MODE_REPLACE and
|
|
/// MODE_VREPLACE modes correctly. May also be used when not in insert mode at
|
|
/// all. Will attempt not to go before "col" even when there is a composing
|
|
/// character.
|
|
void backspace_until_column(int col)
|
|
{
|
|
while ((int)curwin->w_cursor.col > col) {
|
|
curwin->w_cursor.col--;
|
|
if (State & REPLACE_FLAG) {
|
|
replace_do_bs(col);
|
|
} else if (!del_char_after_col(col)) {
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
|
|
/// Like del_char(), but make sure not to go before column "limit_col".
|
|
/// Only matters when there are composing characters.
|
|
///
|
|
/// @param limit_col only delete the character if it is after this column
|
|
//
|
|
/// @return true when something was deleted.
|
|
static bool del_char_after_col(int limit_col)
|
|
{
|
|
if (limit_col >= 0) {
|
|
colnr_T ecol = curwin->w_cursor.col + 1;
|
|
|
|
// Make sure the cursor is at the start of a character, but
|
|
// skip forward again when going too far back because of a
|
|
// composing character.
|
|
mb_adjust_cursor();
|
|
while (curwin->w_cursor.col < (colnr_T)limit_col) {
|
|
int l = utf_ptr2len(get_cursor_pos_ptr());
|
|
|
|
if (l == 0) { // end of line
|
|
break;
|
|
}
|
|
curwin->w_cursor.col += l;
|
|
}
|
|
if (*get_cursor_pos_ptr() == NUL || curwin->w_cursor.col == ecol) {
|
|
return false;
|
|
}
|
|
del_bytes(ecol - curwin->w_cursor.col, false, true);
|
|
} else {
|
|
del_char(false);
|
|
}
|
|
return true;
|
|
}
|
|
|
|
/// Next character is interpreted literally.
|
|
/// A one, two or three digit decimal number is interpreted as its byte value.
|
|
/// If one or two digits are entered, the next character is given to vungetc().
|
|
/// For Unicode a character > 255 may be returned.
|
|
///
|
|
/// @param no_simplify do not include modifiers into the key
|
|
int get_literal(bool no_simplify)
|
|
{
|
|
int nc;
|
|
bool hex = false;
|
|
bool octal = false;
|
|
int unicode = 0;
|
|
|
|
if (got_int) {
|
|
return Ctrl_C;
|
|
}
|
|
|
|
no_mapping++; // don't map the next key hits
|
|
int cc = 0;
|
|
int i = 0;
|
|
while (true) {
|
|
nc = plain_vgetc();
|
|
if (!no_simplify) {
|
|
nc = merge_modifiers(nc, &mod_mask);
|
|
}
|
|
if ((mod_mask & ~MOD_MASK_SHIFT) != 0) {
|
|
// A character with non-Shift modifiers should not be a valid
|
|
// character for i_CTRL-V_digit.
|
|
break;
|
|
}
|
|
if ((State & MODE_CMDLINE) == 0 && MB_BYTE2LEN_CHECK(nc) == 1) {
|
|
add_to_showcmd(nc);
|
|
}
|
|
if (nc == 'x' || nc == 'X') {
|
|
hex = true;
|
|
} else if (nc == 'o' || nc == 'O') {
|
|
octal = true;
|
|
} else if (nc == 'u' || nc == 'U') {
|
|
unicode = nc;
|
|
} else {
|
|
if (hex
|
|
|| unicode != 0) {
|
|
if (!ascii_isxdigit(nc)) {
|
|
break;
|
|
}
|
|
cc = cc * 16 + hex2nr(nc);
|
|
} else if (octal) {
|
|
if (nc < '0' || nc > '7') {
|
|
break;
|
|
}
|
|
cc = cc * 8 + nc - '0';
|
|
} else {
|
|
if (!ascii_isdigit(nc)) {
|
|
break;
|
|
}
|
|
cc = cc * 10 + nc - '0';
|
|
}
|
|
|
|
i++;
|
|
}
|
|
|
|
if (cc > 255
|
|
&& unicode == 0) {
|
|
cc = 255; // limit range to 0-255
|
|
}
|
|
nc = 0;
|
|
|
|
if (hex) { // hex: up to two chars
|
|
if (i >= 2) {
|
|
break;
|
|
}
|
|
} else if (unicode) { // Unicode: up to four or eight chars
|
|
if ((unicode == 'u' && i >= 4) || (unicode == 'U' && i >= 8)) {
|
|
break;
|
|
}
|
|
} else if (i >= 3) { // decimal or octal: up to three chars
|
|
break;
|
|
}
|
|
}
|
|
if (i == 0) { // no number entered
|
|
if (nc == K_ZERO) { // NUL is stored as NL
|
|
cc = '\n';
|
|
nc = 0;
|
|
} else {
|
|
cc = nc;
|
|
nc = 0;
|
|
}
|
|
}
|
|
|
|
if (cc == 0) { // NUL is stored as NL
|
|
cc = '\n';
|
|
}
|
|
|
|
no_mapping--;
|
|
if (nc) {
|
|
vungetc(nc);
|
|
// A character typed with i_CTRL-V_digit cannot have modifiers.
|
|
mod_mask = 0;
|
|
}
|
|
got_int = false; // CTRL-C typed after CTRL-V is not an interrupt
|
|
return cc;
|
|
}
|
|
|
|
/// Insert character, taking care of special keys and mod_mask
|
|
///
|
|
/// @param ctrlv `c` was typed after CTRL-V
|
|
static void insert_special(int c, int allow_modmask, int ctrlv)
|
|
{
|
|
// Special function key, translate into "<Key>". Up to the last '>' is
|
|
// inserted with ins_str(), so as not to replace characters in replace
|
|
// mode.
|
|
// Only use mod_mask for special keys, to avoid things like <S-Space>,
|
|
// unless 'allow_modmask' is true.
|
|
if (mod_mask & MOD_MASK_CMD) { // Command-key never produces a normal key.
|
|
allow_modmask = true;
|
|
}
|
|
if (IS_SPECIAL(c) || (mod_mask && allow_modmask)) {
|
|
char *p = get_special_key_name(c, mod_mask);
|
|
int len = (int)strlen(p);
|
|
c = (uint8_t)p[len - 1];
|
|
if (len > 2) {
|
|
if (stop_arrow() == FAIL) {
|
|
return;
|
|
}
|
|
p[len - 1] = NUL;
|
|
ins_str(p, (size_t)(len - 1));
|
|
AppendToRedobuffLit(p, -1);
|
|
ctrlv = false;
|
|
}
|
|
}
|
|
if (stop_arrow() == OK) {
|
|
insertchar(c, ctrlv ? INSCHAR_CTRLV : 0, -1);
|
|
}
|
|
}
|
|
|
|
// Special characters in this context are those that need processing other
|
|
// than the simple insertion that can be performed here. This includes ESC
|
|
// which terminates the insert, and CR/NL which need special processing to
|
|
// open up a new line. This routine tries to optimize insertions performed by
|
|
// the "redo", "undo" or "put" commands, so it needs to know when it should
|
|
// stop and defer processing to the "normal" mechanism.
|
|
// '0' and '^' are special, because they can be followed by CTRL-D.
|
|
#define ISSPECIAL(c) ((c) < ' ' || (c) >= DEL || (c) == '0' || (c) == '^')
|
|
|
|
/// "flags": INSCHAR_FORMAT - force formatting
|
|
/// INSCHAR_CTRLV - char typed just after CTRL-V
|
|
/// INSCHAR_NO_FEX - don't use 'formatexpr'
|
|
///
|
|
/// NOTE: passes the flags value straight through to internal_format() which,
|
|
/// beside INSCHAR_FORMAT (above), is also looking for these:
|
|
/// INSCHAR_DO_COM - format comments
|
|
/// INSCHAR_COM_LIST - format comments with num list or 2nd line indent
|
|
///
|
|
/// @param c character to insert or NUL
|
|
/// @param flags INSCHAR_FORMAT, etc.
|
|
/// @param second_indent indent for second line if >= 0
|
|
void insertchar(int c, int flags, int second_indent)
|
|
{
|
|
char *p;
|
|
int force_format = flags & INSCHAR_FORMAT;
|
|
|
|
const int textwidth = comp_textwidth(force_format);
|
|
const bool fo_ins_blank = has_format_option(FO_INS_BLANK);
|
|
|
|
// Try to break the line in two or more pieces when:
|
|
// - Always do this if we have been called to do formatting only.
|
|
// - Always do this when 'formatoptions' has the 'a' flag and the line
|
|
// ends in white space.
|
|
// - Otherwise:
|
|
// - Don't do this if inserting a blank
|
|
// - Don't do this if an existing character is being replaced, unless
|
|
// we're in MODE_VREPLACE state.
|
|
// - Do this if the cursor is not on the line where insert started
|
|
// or - 'formatoptions' doesn't have 'l' or the line was not too long
|
|
// before the insert.
|
|
// - 'formatoptions' doesn't have 'b' or a blank was inserted at or
|
|
// before 'textwidth'
|
|
if (textwidth > 0
|
|
&& (force_format
|
|
|| (!ascii_iswhite(c)
|
|
&& !((State & REPLACE_FLAG)
|
|
&& !(State & VREPLACE_FLAG)
|
|
&& *get_cursor_pos_ptr() != NUL)
|
|
&& (curwin->w_cursor.lnum != Insstart.lnum
|
|
|| ((!has_format_option(FO_INS_LONG)
|
|
|| Insstart_textlen <= (colnr_T)textwidth)
|
|
&& (!fo_ins_blank
|
|
|| Insstart_blank_vcol <= (colnr_T)textwidth)))))) {
|
|
// Format with 'formatexpr' when it's set. Use internal formatting
|
|
// when 'formatexpr' isn't set or it returns non-zero.
|
|
bool do_internal = true;
|
|
colnr_T virtcol = get_nolist_virtcol()
|
|
+ char2cells(c != NUL ? c : gchar_cursor());
|
|
|
|
if (*curbuf->b_p_fex != NUL && (flags & INSCHAR_NO_FEX) == 0
|
|
&& (force_format || virtcol > (colnr_T)textwidth)) {
|
|
do_internal = (fex_format(curwin->w_cursor.lnum, 1, c) != 0);
|
|
// It may be required to save for undo again, e.g. when setline()
|
|
// was called.
|
|
ins_need_undo = true;
|
|
}
|
|
if (do_internal) {
|
|
internal_format(textwidth, second_indent, flags, c == NUL, c);
|
|
}
|
|
}
|
|
|
|
if (c == NUL) { // only formatting was wanted
|
|
return;
|
|
}
|
|
|
|
// Check whether this character should end a comment.
|
|
if (did_ai && c == end_comment_pending) {
|
|
char lead_end[COM_MAX_LEN]; // end-comment string
|
|
|
|
// Need to remove existing (middle) comment leader and insert end
|
|
// comment leader. First, check what comment leader we can find.
|
|
char *line = get_cursor_line_ptr();
|
|
int i = get_leader_len(line, &p, false, true);
|
|
if (i > 0 && vim_strchr(p, COM_MIDDLE) != NULL) { // Just checking
|
|
// Skip middle-comment string
|
|
while (*p && p[-1] != ':') { // find end of middle flags
|
|
p++;
|
|
}
|
|
int middle_len = (int)copy_option_part(&p, lead_end, COM_MAX_LEN, ",");
|
|
// Don't count trailing white space for middle_len
|
|
while (middle_len > 0 && ascii_iswhite(lead_end[middle_len - 1])) {
|
|
middle_len--;
|
|
}
|
|
|
|
// Find the end-comment string
|
|
while (*p && p[-1] != ':') { // find end of end flags
|
|
p++;
|
|
}
|
|
int end_len = (int)copy_option_part(&p, lead_end, COM_MAX_LEN, ",");
|
|
|
|
// Skip white space before the cursor
|
|
i = curwin->w_cursor.col;
|
|
while (--i >= 0 && ascii_iswhite(line[i])) {}
|
|
i++;
|
|
|
|
// Skip to before the middle leader
|
|
i -= middle_len;
|
|
|
|
// Check some expected things before we go on
|
|
if (i >= 0 && end_len > 0
|
|
&& (uint8_t)lead_end[end_len - 1] == end_comment_pending) {
|
|
// Backspace over all the stuff we want to replace
|
|
backspace_until_column(i);
|
|
|
|
// Insert the end-comment string, except for the last
|
|
// character, which will get inserted as normal later.
|
|
ins_bytes_len(lead_end, (size_t)(end_len - 1));
|
|
}
|
|
}
|
|
}
|
|
end_comment_pending = NUL;
|
|
|
|
did_ai = false;
|
|
did_si = false;
|
|
can_si = false;
|
|
can_si_back = false;
|
|
|
|
// If there's any pending input, grab up to INPUT_BUFLEN at once.
|
|
// This speeds up normal text input considerably.
|
|
// Don't do this when 'cindent' or 'indentexpr' is set, because we might
|
|
// need to re-indent at a ':', or any other character (but not what
|
|
// 'paste' is set)..
|
|
// Don't do this when there an InsertCharPre autocommand is defined,
|
|
// because we need to fire the event for every character.
|
|
// Do the check for InsertCharPre before the call to vpeekc() because the
|
|
// InsertCharPre autocommand could change the input buffer.
|
|
if (!ISSPECIAL(c)
|
|
&& (utf_char2len(c) == 1)
|
|
&& !has_event(EVENT_INSERTCHARPRE)
|
|
&& vpeekc() != NUL
|
|
&& !(State & REPLACE_FLAG)
|
|
&& !cindent_on()
|
|
&& !p_ri) {
|
|
#define INPUT_BUFLEN 100
|
|
char buf[INPUT_BUFLEN + 1];
|
|
colnr_T virtcol = 0;
|
|
|
|
buf[0] = (char)c;
|
|
int i = 1;
|
|
if (textwidth > 0) {
|
|
virtcol = get_nolist_virtcol();
|
|
}
|
|
// Stop the string when:
|
|
// - no more chars available
|
|
// - finding a special character (command key)
|
|
// - buffer is full
|
|
// - running into the 'textwidth' boundary
|
|
// - need to check for abbreviation: A non-word char after a word-char
|
|
while ((c = vpeekc()) != NUL
|
|
&& !ISSPECIAL(c)
|
|
&& MB_BYTE2LEN(c) == 1
|
|
&& i < INPUT_BUFLEN
|
|
&& (textwidth == 0
|
|
|| (virtcol += byte2cells((uint8_t)buf[i - 1])) < (colnr_T)textwidth)
|
|
&& !(!no_abbr && !vim_iswordc(c) && vim_iswordc((uint8_t)buf[i - 1]))) {
|
|
c = vgetc();
|
|
buf[i++] = (char)c;
|
|
}
|
|
|
|
do_digraph(-1); // clear digraphs
|
|
do_digraph((uint8_t)buf[i - 1]); // may be the start of a digraph
|
|
buf[i] = NUL;
|
|
ins_str(buf, (size_t)i);
|
|
if (flags & INSCHAR_CTRLV) {
|
|
redo_literal((uint8_t)(*buf));
|
|
i = 1;
|
|
} else {
|
|
i = 0;
|
|
}
|
|
if (buf[i] != NUL) {
|
|
AppendToRedobuffLit(buf + i, -1);
|
|
}
|
|
} else {
|
|
int cc;
|
|
|
|
if ((cc = utf_char2len(c)) > 1) {
|
|
char buf[MB_MAXCHAR + 1];
|
|
|
|
utf_char2bytes(c, buf);
|
|
buf[cc] = NUL;
|
|
ins_char_bytes(buf, (size_t)cc);
|
|
AppendCharToRedobuff(c);
|
|
} else {
|
|
ins_char(c);
|
|
if (flags & INSCHAR_CTRLV) {
|
|
redo_literal(c);
|
|
} else {
|
|
AppendCharToRedobuff(c);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
// Put a character in the redo buffer, for when just after a CTRL-V.
|
|
static void redo_literal(int c)
|
|
{
|
|
char buf[10];
|
|
|
|
// Only digits need special treatment. Translate them into a string of
|
|
// three digits.
|
|
if (ascii_isdigit(c)) {
|
|
vim_snprintf(buf, sizeof(buf), "%03d", c);
|
|
AppendToRedobuff(buf);
|
|
} else {
|
|
AppendCharToRedobuff(c);
|
|
}
|
|
}
|
|
|
|
/// start_arrow() is called when an arrow key is used in insert mode.
|
|
/// For undo/redo it resembles hitting the <ESC> key.
|
|
///
|
|
/// @param end_insert_pos can be NULL
|
|
void start_arrow(pos_T *end_insert_pos)
|
|
{
|
|
start_arrow_common(end_insert_pos, true);
|
|
}
|
|
|
|
/// Like start_arrow() but with end_change argument.
|
|
/// Will prepare for redo of CTRL-G U if "end_change" is false.
|
|
///
|
|
/// @param end_insert_pos can be NULL
|
|
/// @param end_change end undoable change
|
|
static void start_arrow_with_change(pos_T *end_insert_pos, bool end_change)
|
|
{
|
|
start_arrow_common(end_insert_pos, end_change);
|
|
if (!end_change) {
|
|
AppendCharToRedobuff(Ctrl_G);
|
|
AppendCharToRedobuff('U');
|
|
}
|
|
}
|
|
|
|
/// @param end_insert_pos can be NULL
|
|
/// @param end_change end undoable change
|
|
static void start_arrow_common(pos_T *end_insert_pos, bool end_change)
|
|
{
|
|
if (!arrow_used && end_change) { // something has been inserted
|
|
AppendToRedobuff(ESC_STR);
|
|
stop_insert(end_insert_pos, false, false);
|
|
arrow_used = true; // This means we stopped the current insert.
|
|
}
|
|
check_spell_redraw();
|
|
}
|
|
|
|
// If we skipped highlighting word at cursor, do it now.
|
|
// It may be skipped again, thus reset spell_redraw_lnum first.
|
|
static void check_spell_redraw(void)
|
|
{
|
|
if (spell_redraw_lnum != 0) {
|
|
linenr_T lnum = spell_redraw_lnum;
|
|
|
|
spell_redraw_lnum = 0;
|
|
redrawWinline(curwin, lnum);
|
|
}
|
|
}
|
|
|
|
// stop_arrow() is called before a change is made in insert mode.
|
|
// If an arrow key has been used, start a new insertion.
|
|
// Returns FAIL if undo is impossible, shouldn't insert then.
|
|
int stop_arrow(void)
|
|
{
|
|
if (arrow_used) {
|
|
Insstart = curwin->w_cursor; // new insertion starts here
|
|
if (Insstart.col > Insstart_orig.col && !ins_need_undo) {
|
|
// Don't update the original insert position when moved to the
|
|
// right, except when nothing was inserted yet.
|
|
update_Insstart_orig = false;
|
|
}
|
|
Insstart_textlen = linetabsize_str(get_cursor_line_ptr());
|
|
|
|
if (u_save_cursor() == OK) {
|
|
arrow_used = false;
|
|
ins_need_undo = false;
|
|
}
|
|
ai_col = 0;
|
|
if (State & VREPLACE_FLAG) {
|
|
orig_line_count = curbuf->b_ml.ml_line_count;
|
|
vr_lines_changed = 1;
|
|
}
|
|
ResetRedobuff();
|
|
AppendToRedobuff("1i"); // Pretend we start an insertion.
|
|
new_insert_skip = 2;
|
|
} else if (ins_need_undo) {
|
|
if (u_save_cursor() == OK) {
|
|
ins_need_undo = false;
|
|
}
|
|
}
|
|
|
|
// Always open fold at the cursor line when inserting something.
|
|
foldOpenCursor();
|
|
|
|
return arrow_used || ins_need_undo ? FAIL : OK;
|
|
}
|
|
|
|
/// Do a few things to stop inserting.
|
|
/// "end_insert_pos" is where insert ended. It is NULL when we already jumped
|
|
/// to another window/buffer.
|
|
///
|
|
/// @param esc called by ins_esc()
|
|
/// @param nomove <c-\><c-o>, don't move cursor
|
|
static void stop_insert(pos_T *end_insert_pos, int esc, int nomove)
|
|
{
|
|
stop_redo_ins();
|
|
kv_destroy(replace_stack); // abandon replace stack (reinitializes)
|
|
|
|
// Save the inserted text for later redo with ^@ and CTRL-A.
|
|
// Don't do it when "restart_edit" was set and nothing was inserted,
|
|
// otherwise CTRL-O w and then <Left> will clear "last_insert".
|
|
String inserted = get_inserted();
|
|
int added = inserted.data == NULL ? 0 : (int)inserted.size - new_insert_skip;
|
|
if (did_restart_edit == 0 || added > 0) {
|
|
xfree(last_insert.data);
|
|
last_insert = inserted; // structure copy
|
|
last_insert_skip = added < 0 ? 0 : new_insert_skip;
|
|
} else {
|
|
xfree(inserted.data);
|
|
}
|
|
|
|
if (!arrow_used && end_insert_pos != NULL) {
|
|
int cc;
|
|
// Auto-format now. It may seem strange to do this when stopping an
|
|
// insertion (or moving the cursor), but it's required when appending
|
|
// a line and having it end in a space. But only do it when something
|
|
// was actually inserted, otherwise undo won't work.
|
|
if (!ins_need_undo && has_format_option(FO_AUTO)) {
|
|
pos_T tpos = curwin->w_cursor;
|
|
|
|
// When the cursor is at the end of the line after a space the
|
|
// formatting will move it to the following word. Avoid that by
|
|
// moving the cursor onto the space.
|
|
cc = 'x';
|
|
if (curwin->w_cursor.col > 0 && gchar_cursor() == NUL) {
|
|
dec_cursor();
|
|
cc = gchar_cursor();
|
|
if (!ascii_iswhite(cc)) {
|
|
curwin->w_cursor = tpos;
|
|
}
|
|
}
|
|
|
|
auto_format(true, false);
|
|
|
|
if (ascii_iswhite(cc)) {
|
|
if (gchar_cursor() != NUL) {
|
|
inc_cursor();
|
|
}
|
|
// If the cursor is still at the same character, also keep
|
|
// the "coladd".
|
|
if (gchar_cursor() == NUL
|
|
&& curwin->w_cursor.lnum == tpos.lnum
|
|
&& curwin->w_cursor.col == tpos.col) {
|
|
curwin->w_cursor.coladd = tpos.coladd;
|
|
}
|
|
}
|
|
}
|
|
|
|
// If a space was inserted for auto-formatting, remove it now.
|
|
check_auto_format(true);
|
|
|
|
// If we just did an auto-indent, remove the white space from the end
|
|
// of the line, and put the cursor back.
|
|
// Do this when ESC was used or moving the cursor up/down.
|
|
// Check for the old position still being valid, just in case the text
|
|
// got changed unexpectedly.
|
|
if (!nomove && did_ai && (esc || (vim_strchr(p_cpo, CPO_INDENT) == NULL
|
|
&& curwin->w_cursor.lnum !=
|
|
end_insert_pos->lnum))
|
|
&& end_insert_pos->lnum <= curbuf->b_ml.ml_line_count) {
|
|
pos_T tpos = curwin->w_cursor;
|
|
colnr_T prev_col = end_insert_pos->col;
|
|
|
|
curwin->w_cursor = *end_insert_pos;
|
|
check_cursor_col(curwin); // make sure it is not past the line
|
|
while (true) {
|
|
if (gchar_cursor() == NUL && curwin->w_cursor.col > 0) {
|
|
curwin->w_cursor.col--;
|
|
}
|
|
cc = gchar_cursor();
|
|
if (!ascii_iswhite(cc)) {
|
|
break;
|
|
}
|
|
if (del_char(true) == FAIL) {
|
|
break; // should not happen
|
|
}
|
|
}
|
|
if (curwin->w_cursor.lnum != tpos.lnum) {
|
|
curwin->w_cursor = tpos;
|
|
} else if (curwin->w_cursor.col < prev_col) {
|
|
// reset tpos, could have been invalidated in the loop above
|
|
tpos = curwin->w_cursor;
|
|
tpos.col++;
|
|
if (cc != NUL && gchar_pos(&tpos) == NUL) {
|
|
curwin->w_cursor.col++; // put cursor back on the NUL
|
|
}
|
|
}
|
|
|
|
// <C-S-Right> may have started Visual mode, adjust the position for
|
|
// deleted characters.
|
|
if (VIsual_active) {
|
|
check_visual_pos();
|
|
}
|
|
}
|
|
}
|
|
did_ai = false;
|
|
did_si = false;
|
|
can_si = false;
|
|
can_si_back = false;
|
|
|
|
// Set '[ and '] to the inserted text. When end_insert_pos is NULL we are
|
|
// now in a different buffer.
|
|
if (end_insert_pos != NULL) {
|
|
curbuf->b_op_start = Insstart;
|
|
curbuf->b_op_start_orig = Insstart_orig;
|
|
curbuf->b_op_end = *end_insert_pos;
|
|
}
|
|
}
|
|
|
|
// Set the last inserted text to a single character.
|
|
// Used for the replace command.
|
|
void set_last_insert(int c)
|
|
{
|
|
xfree(last_insert.data);
|
|
last_insert.data = xmalloc(MB_MAXBYTES * 3 + 5);
|
|
char *s = last_insert.data;
|
|
// Use the CTRL-V only when entering a special char
|
|
if (c < ' ' || c == DEL) {
|
|
*s++ = Ctrl_V;
|
|
}
|
|
s = add_char2buf(c, s);
|
|
*s++ = ESC;
|
|
*s = NUL;
|
|
last_insert.size = (size_t)(s - last_insert.data);
|
|
last_insert_skip = 0;
|
|
}
|
|
|
|
#if defined(EXITFREE)
|
|
void free_last_insert(void)
|
|
{
|
|
API_CLEAR_STRING(last_insert);
|
|
}
|
|
#endif
|
|
|
|
// move cursor to start of line
|
|
// if flags & BL_WHITE move to first non-white
|
|
// if flags & BL_SOL move to first non-white if startofline is set,
|
|
// otherwise keep "curswant" column
|
|
// if flags & BL_FIX don't leave the cursor on a NUL.
|
|
void beginline(int flags)
|
|
{
|
|
if ((flags & BL_SOL) && !p_sol) {
|
|
coladvance(curwin, curwin->w_curswant);
|
|
} else {
|
|
curwin->w_cursor.col = 0;
|
|
curwin->w_cursor.coladd = 0;
|
|
|
|
if (flags & (BL_WHITE | BL_SOL)) {
|
|
for (char *ptr = get_cursor_line_ptr(); ascii_iswhite(*ptr)
|
|
&& !((flags & BL_FIX) && ptr[1] == NUL); ptr++) {
|
|
curwin->w_cursor.col++;
|
|
}
|
|
}
|
|
curwin->w_set_curswant = true;
|
|
}
|
|
adjust_skipcol();
|
|
}
|
|
|
|
// oneright oneleft cursor_down cursor_up
|
|
//
|
|
// Move one char {right,left,down,up}.
|
|
// Doesn't move onto the NUL past the end of the line, unless it is allowed.
|
|
// Return OK when successful, FAIL when we hit a line of file boundary.
|
|
|
|
int oneright(void)
|
|
{
|
|
char *ptr;
|
|
|
|
if (virtual_active(curwin)) {
|
|
pos_T prevpos = curwin->w_cursor;
|
|
|
|
// Adjust for multi-wide char (excluding TAB)
|
|
ptr = get_cursor_pos_ptr();
|
|
coladvance(curwin, getviscol() + ((*ptr != TAB && vim_isprintc(utf_ptr2char(ptr)))
|
|
? ptr2cells(ptr) : 1));
|
|
curwin->w_set_curswant = true;
|
|
// Return OK if the cursor moved, FAIL otherwise (at window edge).
|
|
return (prevpos.col != curwin->w_cursor.col
|
|
|| prevpos.coladd != curwin->w_cursor.coladd) ? OK : FAIL;
|
|
}
|
|
|
|
ptr = get_cursor_pos_ptr();
|
|
if (*ptr == NUL) {
|
|
return FAIL; // already at the very end
|
|
}
|
|
|
|
int l = utfc_ptr2len(ptr);
|
|
|
|
// move "l" bytes right, but don't end up on the NUL, unless 'virtualedit'
|
|
// contains "onemore".
|
|
if (ptr[l] == NUL && (get_ve_flags(curwin) & kOptVeFlagOnemore) == 0) {
|
|
return FAIL;
|
|
}
|
|
curwin->w_cursor.col += l;
|
|
|
|
curwin->w_set_curswant = true;
|
|
adjust_skipcol();
|
|
return OK;
|
|
}
|
|
|
|
int oneleft(void)
|
|
{
|
|
if (virtual_active(curwin)) {
|
|
int v = getviscol();
|
|
|
|
if (v == 0) {
|
|
return FAIL;
|
|
}
|
|
|
|
// We might get stuck on 'showbreak', skip over it.
|
|
int width = 1;
|
|
while (true) {
|
|
coladvance(curwin, v - width);
|
|
// getviscol() is slow, skip it when 'showbreak' is empty,
|
|
// 'breakindent' is not set and there are no multi-byte
|
|
// characters
|
|
if (getviscol() < v) {
|
|
break;
|
|
}
|
|
width++;
|
|
}
|
|
|
|
if (curwin->w_cursor.coladd == 1) {
|
|
// Adjust for multi-wide char (not a TAB)
|
|
char *ptr = get_cursor_pos_ptr();
|
|
if (*ptr != TAB && vim_isprintc(utf_ptr2char(ptr)) && ptr2cells(ptr) > 1) {
|
|
curwin->w_cursor.coladd = 0;
|
|
}
|
|
}
|
|
|
|
curwin->w_set_curswant = true;
|
|
adjust_skipcol();
|
|
return OK;
|
|
}
|
|
|
|
if (curwin->w_cursor.col == 0) {
|
|
return FAIL;
|
|
}
|
|
|
|
curwin->w_set_curswant = true;
|
|
curwin->w_cursor.col--;
|
|
|
|
// if the character on the left of the current cursor is a multi-byte
|
|
// character, move to its first byte
|
|
mb_adjust_cursor();
|
|
adjust_skipcol();
|
|
return OK;
|
|
}
|
|
|
|
/// Move the cursor up "n" lines in window "wp". Takes care of closed folds.
|
|
/// Skips over concealed lines when "skip_conceal" is true.
|
|
void cursor_up_inner(win_T *wp, linenr_T n, bool skip_conceal)
|
|
{
|
|
linenr_T lnum = wp->w_cursor.lnum;
|
|
|
|
if (n >= lnum) {
|
|
lnum = 1;
|
|
} else if (win_lines_concealed(wp)) {
|
|
// Count each sequence of folded lines as one logical line.
|
|
|
|
// go to the start of the current fold
|
|
hasFolding(wp, lnum, &lnum, NULL);
|
|
|
|
while (n--) {
|
|
// move up one line
|
|
lnum--;
|
|
n += skip_conceal && decor_conceal_line(wp, lnum - 1, true);
|
|
if (lnum <= 1) {
|
|
break;
|
|
}
|
|
// If we entered a fold, move to the beginning, unless in
|
|
// Insert mode or when 'foldopen' contains "all": it will open
|
|
// in a moment.
|
|
if (n > 0 || !((State & MODE_INSERT) || (fdo_flags & kOptFdoFlagAll))) {
|
|
hasFolding(wp, lnum, &lnum, NULL);
|
|
}
|
|
}
|
|
lnum = MAX(lnum, 1);
|
|
} else {
|
|
lnum -= n;
|
|
}
|
|
|
|
wp->w_cursor.lnum = lnum;
|
|
}
|
|
|
|
/// @param upd_topline When true: update topline
|
|
int cursor_up(linenr_T n, bool upd_topline)
|
|
{
|
|
// This fails if the cursor is already in the first line.
|
|
if (n > 0 && curwin->w_cursor.lnum <= 1) {
|
|
return FAIL;
|
|
}
|
|
cursor_up_inner(curwin, n, false);
|
|
|
|
// try to advance to the column we want to be at
|
|
coladvance(curwin, curwin->w_curswant);
|
|
|
|
if (upd_topline) {
|
|
update_topline(curwin); // make sure curwin->w_topline is valid
|
|
}
|
|
|
|
return OK;
|
|
}
|
|
|
|
/// Move the cursor down "n" lines in window "wp". Takes care of closed folds.
|
|
/// Skips over concealed lines when "skip_conceal" is true.
|
|
void cursor_down_inner(win_T *wp, int n, bool skip_conceal)
|
|
{
|
|
linenr_T lnum = wp->w_cursor.lnum;
|
|
linenr_T line_count = wp->w_buffer->b_ml.ml_line_count;
|
|
|
|
if (lnum + n >= line_count) {
|
|
lnum = line_count;
|
|
} else if (win_lines_concealed(wp)) {
|
|
linenr_T last;
|
|
|
|
// count each sequence of folded lines as one logical line
|
|
while (n--) {
|
|
if (hasFoldingWin(wp, lnum, NULL, &last, true, NULL)) {
|
|
lnum = last + 1;
|
|
} else {
|
|
lnum++;
|
|
}
|
|
n += skip_conceal && decor_conceal_line(wp, lnum - 1, true);
|
|
if (lnum >= line_count) {
|
|
break;
|
|
}
|
|
}
|
|
lnum = MIN(lnum, line_count);
|
|
} else {
|
|
lnum += (linenr_T)n;
|
|
}
|
|
|
|
wp->w_cursor.lnum = lnum;
|
|
}
|
|
|
|
/// @param upd_topline When true: update topline
|
|
int cursor_down(int n, bool upd_topline)
|
|
{
|
|
linenr_T lnum = curwin->w_cursor.lnum;
|
|
// This fails if the cursor is already in the last (folded) line.
|
|
hasFoldingWin(curwin, lnum, NULL, &lnum, true, NULL);
|
|
if (n > 0 && lnum >= curwin->w_buffer->b_ml.ml_line_count) {
|
|
return FAIL;
|
|
}
|
|
cursor_down_inner(curwin, n, false);
|
|
|
|
// try to advance to the column we want to be at
|
|
coladvance(curwin, curwin->w_curswant);
|
|
|
|
if (upd_topline) {
|
|
update_topline(curwin); // make sure curwin->w_topline is valid
|
|
}
|
|
|
|
return OK;
|
|
}
|
|
|
|
/// Stuff the last inserted text in the read buffer.
|
|
/// Last_insert actually is a copy of the redo buffer, so we
|
|
/// first have to remove the command.
|
|
///
|
|
/// @param c Command character to be inserted
|
|
/// @param count Repeat this many times
|
|
/// @param no_esc Don't add an ESC at the end
|
|
int stuff_inserted(int c, int count, int no_esc)
|
|
{
|
|
char last = NUL;
|
|
|
|
String insert = get_last_insert(); // text to be inserted
|
|
if (insert.data == NULL) {
|
|
emsg(_(e_noinstext));
|
|
return FAIL;
|
|
}
|
|
|
|
// may want to stuff the command character, to start Insert mode
|
|
if (c != NUL) {
|
|
stuffcharReadbuff(c);
|
|
}
|
|
|
|
if (insert.size > 0) {
|
|
// look for the last ESC in 'insert'
|
|
for (char *p = insert.data + insert.size - 1; p >= insert.data; p--) {
|
|
if (*p == ESC) {
|
|
insert.size = (size_t)(p - insert.data);
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
|
|
if (insert.size > 0) {
|
|
char *p = insert.data + insert.size - 1;
|
|
// when the last char is either "0" or "^" it will be quoted if no ESC
|
|
// comes after it OR if it will inserted more than once and "ptr"
|
|
// starts with ^D. -- Acevedo
|
|
if ((*p == '0' || *p == '^')
|
|
&& (no_esc || (*insert.data == Ctrl_D && count > 1))) {
|
|
last = *p;
|
|
insert.size--;
|
|
}
|
|
}
|
|
|
|
do {
|
|
stuffReadbuffLen(insert.data, (ptrdiff_t)insert.size);
|
|
// A trailing "0" is inserted as "<C-V>048", "^" as "<C-V>^".
|
|
switch (last) {
|
|
case '0':
|
|
stuffReadbuffLen(S_LEN("\026\060\064\070"));
|
|
break;
|
|
case '^':
|
|
stuffReadbuffLen(S_LEN("\026^"));
|
|
break;
|
|
default:
|
|
break;
|
|
}
|
|
} while (--count > 0);
|
|
|
|
// may want to stuff a trailing ESC, to get out of Insert mode
|
|
if (!no_esc) {
|
|
stuffcharReadbuff(ESC);
|
|
}
|
|
|
|
return OK;
|
|
}
|
|
|
|
String get_last_insert(void)
|
|
FUNC_ATTR_PURE
|
|
{
|
|
return last_insert.data == NULL ? NULL_STRING : (String){
|
|
.data = last_insert.data + last_insert_skip,
|
|
.size = last_insert.size - (size_t)last_insert_skip,
|
|
};
|
|
}
|
|
|
|
// Get last inserted string, and remove trailing <Esc>.
|
|
// Returns pointer to allocated memory (must be freed) or NULL.
|
|
char *get_last_insert_save(void)
|
|
{
|
|
String insert = get_last_insert();
|
|
|
|
if (insert.data == NULL) {
|
|
return NULL;
|
|
}
|
|
|
|
char *s = xmemdupz(insert.data, insert.size);
|
|
if (insert.size > 0 && s[insert.size - 1] == ESC) { // remain trailing ESC
|
|
s[--insert.size] = NUL;
|
|
}
|
|
return s;
|
|
}
|
|
|
|
/// Check the word in front of the cursor for an abbreviation.
|
|
/// Called when the non-id character "c" has been entered.
|
|
/// When an abbreviation is recognized it is removed from the text and
|
|
/// the replacement string is inserted in typebuf.tb_buf[], followed by "c".
|
|
///
|
|
/// @param c character
|
|
///
|
|
/// @return true if the word is a known abbreviation.
|
|
static bool echeck_abbr(int c)
|
|
FUNC_ATTR_PURE FUNC_ATTR_WARN_UNUSED_RESULT
|
|
{
|
|
// Don't check for abbreviation in paste mode, when disabled and just
|
|
// after moving around with cursor keys.
|
|
if (p_paste || no_abbr || arrow_used) {
|
|
return false;
|
|
}
|
|
|
|
return check_abbr(c, get_cursor_line_ptr(), curwin->w_cursor.col,
|
|
curwin->w_cursor.lnum == Insstart.lnum ? Insstart.col : 0);
|
|
}
|
|
|
|
// replace-stack functions
|
|
//
|
|
// When replacing characters, the replaced characters are remembered for each
|
|
// new character. This is used to re-insert the old text when backspacing.
|
|
//
|
|
// There is a NUL headed list of characters for each character that is
|
|
// currently in the file after the insertion point. When BS is used, one NUL
|
|
// headed list is put back for the deleted character.
|
|
//
|
|
// For a newline, there are two NUL headed lists. One contains the characters
|
|
// that the NL replaced. The extra one stores the characters after the cursor
|
|
// that were deleted (always white space).
|
|
|
|
/// Push character that is replaced onto the replace stack.
|
|
///
|
|
/// replace_offset is normally 0, in which case replace_push will add a new
|
|
/// character at the end of the stack. If replace_offset is not 0, that many
|
|
/// characters will be left on the stack above the newly inserted character.
|
|
///
|
|
/// @param str character that is replaced (NUL is none)
|
|
/// @param len length of character in bytes
|
|
void replace_push(char *str, size_t len)
|
|
{
|
|
// TODO(bfredl): replace_offset is suss af, if we don't need it, this
|
|
// function is just kv_concat() :p
|
|
if (kv_size(replace_stack) < (size_t)replace_offset) { // nothing to do
|
|
return;
|
|
}
|
|
|
|
kv_ensure_space(replace_stack, len);
|
|
|
|
char *p = replace_stack.items + kv_size(replace_stack) - replace_offset;
|
|
if (replace_offset) {
|
|
memmove(p + len, p, (size_t)replace_offset);
|
|
}
|
|
memcpy(p, str, len);
|
|
kv_size(replace_stack) += len;
|
|
}
|
|
|
|
/// push NUL as separator between entries in the stack
|
|
void replace_push_nul(void)
|
|
{
|
|
replace_push("", 1);
|
|
}
|
|
|
|
/// Check top of replace stack, pop it if it was NUL
|
|
///
|
|
/// when a non-NUL byte is found, use mb_replace_pop_ins() to
|
|
/// pop one complete multibyte character.
|
|
///
|
|
/// @return -1 if stack is empty, last byte of char or NUL otherwise
|
|
static int replace_pop_if_nul(void)
|
|
{
|
|
int ch = (kv_size(replace_stack)) ? (uint8_t)kv_A(replace_stack, kv_size(replace_stack) - 1) : -1;
|
|
if (ch == NUL) {
|
|
kv_size(replace_stack)--;
|
|
}
|
|
return ch;
|
|
}
|
|
|
|
/// Join the top two items on the replace stack. This removes to "off"'th NUL
|
|
/// encountered.
|
|
///
|
|
/// @param off offset for which NUL to remove
|
|
static void replace_join(int off)
|
|
{
|
|
for (ssize_t i = (ssize_t)kv_size(replace_stack); --i >= 0;) {
|
|
if (kv_A(replace_stack, i) == NUL && off-- <= 0) {
|
|
kv_size(replace_stack)--;
|
|
memmove(&kv_A(replace_stack, i), &kv_A(replace_stack, i + 1),
|
|
(kv_size(replace_stack) - (size_t)i));
|
|
return;
|
|
}
|
|
}
|
|
}
|
|
|
|
/// Pop bytes from the replace stack until a NUL is found, and insert them
|
|
/// before the cursor. Can only be used in MODE_REPLACE or MODE_VREPLACE state.
|
|
static void replace_pop_ins(void)
|
|
{
|
|
int oldState = State;
|
|
|
|
State = MODE_NORMAL; // don't want MODE_REPLACE here
|
|
while ((replace_pop_if_nul()) > 0) {
|
|
mb_replace_pop_ins();
|
|
dec_cursor();
|
|
}
|
|
State = oldState;
|
|
}
|
|
|
|
/// Insert multibyte char popped from the replace stack.
|
|
///
|
|
/// caller must already have checked the top of the stack is not NUL!!
|
|
static void mb_replace_pop_ins(void)
|
|
{
|
|
int len = utf_head_off(&kv_A(replace_stack, 0),
|
|
&kv_A(replace_stack, kv_size(replace_stack) - 1)) + 1;
|
|
kv_size(replace_stack) -= (size_t)len;
|
|
ins_bytes_len(&kv_A(replace_stack, kv_size(replace_stack)), (size_t)len);
|
|
}
|
|
|
|
// Handle doing a BS for one character.
|
|
// cc < 0: replace stack empty, just move cursor
|
|
// cc == 0: character was inserted, delete it
|
|
// cc > 0: character was replaced, put cc (first byte of original char) back
|
|
// and check for more characters to be put back
|
|
// When "limit_col" is >= 0, don't delete before this column. Matters when
|
|
// using composing characters, use del_char_after_col() instead of del_char().
|
|
static void replace_do_bs(int limit_col)
|
|
{
|
|
colnr_T start_vcol;
|
|
const int l_State = State;
|
|
|
|
int cc = replace_pop_if_nul();
|
|
if (cc > 0) {
|
|
int orig_len = 0;
|
|
int orig_vcols = 0;
|
|
if (l_State & VREPLACE_FLAG) {
|
|
// Get the number of screen cells used by the character we are
|
|
// going to delete.
|
|
getvcol(curwin, &curwin->w_cursor, NULL, &start_vcol, NULL);
|
|
orig_vcols = win_chartabsize(curwin, get_cursor_pos_ptr(), start_vcol);
|
|
}
|
|
del_char_after_col(limit_col);
|
|
if (l_State & VREPLACE_FLAG) {
|
|
orig_len = get_cursor_pos_len();
|
|
}
|
|
replace_pop_ins();
|
|
|
|
if (l_State & VREPLACE_FLAG) {
|
|
// Get the number of screen cells used by the inserted characters
|
|
char *p = get_cursor_pos_ptr();
|
|
int ins_len = get_cursor_pos_len() - orig_len;
|
|
int vcol = start_vcol;
|
|
for (int i = 0; i < ins_len; i++) {
|
|
vcol += win_chartabsize(curwin, p + i, vcol);
|
|
i += utfc_ptr2len(p) - 1;
|
|
}
|
|
vcol -= start_vcol;
|
|
|
|
// Delete spaces that were inserted after the cursor to keep the
|
|
// text aligned.
|
|
curwin->w_cursor.col += ins_len;
|
|
while (vcol > orig_vcols && gchar_cursor() == ' ') {
|
|
del_char(false);
|
|
orig_vcols++;
|
|
}
|
|
curwin->w_cursor.col -= ins_len;
|
|
}
|
|
|
|
// mark the buffer as changed and prepare for displaying
|
|
changed_bytes(curwin->w_cursor.lnum, curwin->w_cursor.col);
|
|
} else if (cc == 0) {
|
|
del_char_after_col(limit_col);
|
|
}
|
|
}
|
|
|
|
/// Check that C-indenting is on.
|
|
bool cindent_on(void)
|
|
FUNC_ATTR_PURE FUNC_ATTR_WARN_UNUSED_RESULT
|
|
{
|
|
return !p_paste && (curbuf->b_p_cin || *curbuf->b_p_inde != NUL);
|
|
}
|
|
|
|
/// Check that "cinkeys" contains the key "keytyped",
|
|
/// when == '*': Only if key is preceded with '*' (indent before insert)
|
|
/// when == '!': Only if key is preceded with '!' (don't insert)
|
|
/// when == ' ': Only if key is not preceded with '*' or '!' (indent afterwards)
|
|
///
|
|
/// "keytyped" can have a few special values:
|
|
/// KEY_OPEN_FORW :
|
|
/// KEY_OPEN_BACK :
|
|
/// KEY_COMPLETE : Just finished completion.
|
|
///
|
|
/// @param keytyped key that was typed
|
|
/// @param when condition on when to perform the check
|
|
/// @param line_is_empty when true, accept keys with '0' before them.
|
|
bool in_cinkeys(int keytyped, int when, bool line_is_empty)
|
|
{
|
|
char *look;
|
|
bool try_match;
|
|
bool try_match_word;
|
|
char *p;
|
|
bool icase;
|
|
|
|
if (keytyped == NUL) {
|
|
// Can happen with CTRL-Y and CTRL-E on a short line.
|
|
return false;
|
|
}
|
|
|
|
if (*curbuf->b_p_inde != NUL) {
|
|
look = curbuf->b_p_indk; // 'indentexpr' set: use 'indentkeys'
|
|
} else {
|
|
look = curbuf->b_p_cink; // 'indentexpr' empty: use 'cinkeys'
|
|
}
|
|
while (*look) {
|
|
// Find out if we want to try a match with this key, depending on
|
|
// 'when' and a '*' or '!' before the key.
|
|
switch (when) {
|
|
case '*':
|
|
try_match = (*look == '*'); break;
|
|
case '!':
|
|
try_match = (*look == '!'); break;
|
|
default:
|
|
try_match = (*look != '*') && (*look != '!'); break;
|
|
}
|
|
if (*look == '*' || *look == '!') {
|
|
look++;
|
|
}
|
|
|
|
// If there is a '0', only accept a match if the line is empty.
|
|
// But may still match when typing last char of a word.
|
|
if (*look == '0') {
|
|
try_match_word = try_match;
|
|
if (!line_is_empty) {
|
|
try_match = false;
|
|
}
|
|
look++;
|
|
} else {
|
|
try_match_word = false;
|
|
}
|
|
|
|
// Does it look like a control character?
|
|
if (*look == '^' && look[1] >= '?' && look[1] <= '_') {
|
|
if (try_match && keytyped == CTRL_CHR(look[1])) {
|
|
return true;
|
|
}
|
|
look += 2;
|
|
|
|
// 'o' means "o" command, open forward.
|
|
// 'O' means "O" command, open backward.
|
|
} else if (*look == 'o') {
|
|
if (try_match && keytyped == KEY_OPEN_FORW) {
|
|
return true;
|
|
}
|
|
look++;
|
|
} else if (*look == 'O') {
|
|
if (try_match && keytyped == KEY_OPEN_BACK) {
|
|
return true;
|
|
}
|
|
look++;
|
|
|
|
// 'e' means to check for "else" at start of line and just before the
|
|
// cursor.
|
|
} else if (*look == 'e') {
|
|
if (try_match && keytyped == 'e' && curwin->w_cursor.col >= 4) {
|
|
p = get_cursor_line_ptr();
|
|
if (skipwhite(p) == p + curwin->w_cursor.col - 4
|
|
&& strncmp(p + curwin->w_cursor.col - 4, "else", 4) == 0) {
|
|
return true;
|
|
}
|
|
}
|
|
look++;
|
|
|
|
// ':' only causes an indent if it is at the end of a label or case
|
|
// statement, or when it was before typing the ':' (to fix
|
|
// class::method for C++).
|
|
} else if (*look == ':') {
|
|
if (try_match && keytyped == ':') {
|
|
p = get_cursor_line_ptr();
|
|
if (cin_iscase(p, false) || cin_isscopedecl(p) || cin_islabel()) {
|
|
return true;
|
|
}
|
|
// Need to get the line again after cin_islabel().
|
|
p = get_cursor_line_ptr();
|
|
if (curwin->w_cursor.col > 2
|
|
&& p[curwin->w_cursor.col - 1] == ':'
|
|
&& p[curwin->w_cursor.col - 2] == ':') {
|
|
p[curwin->w_cursor.col - 1] = ' ';
|
|
const bool i = cin_iscase(p, false)
|
|
|| cin_isscopedecl(p)
|
|
|| cin_islabel();
|
|
p = get_cursor_line_ptr();
|
|
p[curwin->w_cursor.col - 1] = ':';
|
|
if (i) {
|
|
return true;
|
|
}
|
|
}
|
|
}
|
|
look++;
|
|
|
|
// Is it a key in <>, maybe?
|
|
} else if (*look == '<') {
|
|
if (try_match) {
|
|
// make up some named keys <o>, <O>, <e>, <0>, <>>, <<>, <*>,
|
|
// <:> and <!> so that people can re-indent on o, O, e, 0, <,
|
|
// >, *, : and ! keys if they really really want to.
|
|
if (vim_strchr("<>!*oOe0:", (uint8_t)look[1]) != NULL
|
|
&& keytyped == look[1]) {
|
|
return true;
|
|
}
|
|
|
|
if (keytyped == get_special_key_code(look + 1)) {
|
|
return true;
|
|
}
|
|
}
|
|
while (*look && *look != '>') {
|
|
look++;
|
|
}
|
|
while (*look == '>') {
|
|
look++;
|
|
}
|
|
// Is it a word: "=word"?
|
|
} else if (*look == '=' && look[1] != ',' && look[1] != NUL) {
|
|
look++;
|
|
if (*look == '~') {
|
|
icase = true;
|
|
look++;
|
|
} else {
|
|
icase = false;
|
|
}
|
|
p = vim_strchr(look, ',');
|
|
if (p == NULL) {
|
|
p = look + strlen(look);
|
|
}
|
|
if ((try_match || try_match_word)
|
|
&& curwin->w_cursor.col >= (colnr_T)(p - look)) {
|
|
bool match = false;
|
|
|
|
if (keytyped == KEY_COMPLETE) {
|
|
char *n, *s;
|
|
|
|
// Just completed a word, check if it starts with "look".
|
|
// search back for the start of a word.
|
|
char *line = get_cursor_line_ptr();
|
|
for (s = line + curwin->w_cursor.col; s > line; s = n) {
|
|
n = mb_prevptr(line, s);
|
|
if (!vim_iswordp(n)) {
|
|
break;
|
|
}
|
|
}
|
|
assert(p >= look && (uintmax_t)(p - look) <= SIZE_MAX);
|
|
if (s + (p - look) <= line + curwin->w_cursor.col
|
|
&& (icase
|
|
? mb_strnicmp(s, look, (size_t)(p - look))
|
|
: strncmp(s, look, (size_t)(p - look))) == 0) {
|
|
match = true;
|
|
}
|
|
} else {
|
|
// TODO(@brammool): multi-byte
|
|
if (keytyped == (int)(uint8_t)p[-1]
|
|
|| (icase && keytyped < 256 && keytyped >= 0
|
|
&& TOLOWER_LOC(keytyped) == TOLOWER_LOC((uint8_t)p[-1]))) {
|
|
char *line = get_cursor_pos_ptr();
|
|
assert(p >= look && (uintmax_t)(p - look) <= SIZE_MAX);
|
|
if ((curwin->w_cursor.col == (colnr_T)(p - look)
|
|
|| !vim_iswordc((uint8_t)line[-(p - look) - 1]))
|
|
&& (icase
|
|
? mb_strnicmp(line - (p - look), look, (size_t)(p - look))
|
|
: strncmp(line - (p - look), look, (size_t)(p - look))) == 0) {
|
|
match = true;
|
|
}
|
|
}
|
|
}
|
|
if (match && try_match_word && !try_match) {
|
|
// "0=word": Check if there are only blanks before the
|
|
// word.
|
|
if (getwhitecols_curline() !=
|
|
(int)(curwin->w_cursor.col - (p - look))) {
|
|
match = false;
|
|
}
|
|
}
|
|
if (match) {
|
|
return true;
|
|
}
|
|
}
|
|
look = p;
|
|
|
|
// Ok, it's a boring generic character.
|
|
} else {
|
|
if (try_match && (uint8_t)(*look) == keytyped) {
|
|
return true;
|
|
}
|
|
if (*look != NUL) {
|
|
look++;
|
|
}
|
|
}
|
|
|
|
// Skip over ", ".
|
|
look = skip_to_option_part(look);
|
|
}
|
|
return false;
|
|
}
|
|
|
|
static void ins_reg(void)
|
|
{
|
|
bool need_redraw = false;
|
|
int literally = 0;
|
|
int vis_active = VIsual_active;
|
|
|
|
// If we are going to wait for a character, show a '"'.
|
|
pc_status = PC_STATUS_UNSET;
|
|
if (redrawing() && !char_avail()) {
|
|
// may need to redraw when no more chars available now
|
|
ins_redraw(false);
|
|
|
|
edit_putchar('"', true);
|
|
add_to_showcmd_c(Ctrl_R);
|
|
}
|
|
|
|
// Don't map the register name. This also prevents the mode message to be
|
|
// deleted when ESC is hit.
|
|
no_mapping++;
|
|
allow_keys++;
|
|
int regname = plain_vgetc();
|
|
LANGMAP_ADJUST(regname, true);
|
|
if (regname == Ctrl_R || regname == Ctrl_O || regname == Ctrl_P) {
|
|
// Get a third key for literal register insertion
|
|
literally = regname;
|
|
add_to_showcmd_c(literally);
|
|
regname = plain_vgetc();
|
|
LANGMAP_ADJUST(regname, true);
|
|
}
|
|
no_mapping--;
|
|
allow_keys--;
|
|
|
|
// Don't call u_sync() while typing the expression or giving an error
|
|
// message for it. Only call it explicitly.
|
|
no_u_sync++;
|
|
if (regname == '=') {
|
|
pos_T curpos = curwin->w_cursor;
|
|
|
|
// Sync undo when evaluating the expression calls setline() or
|
|
// append(), so that it can be undone separately.
|
|
u_sync_once = 2;
|
|
|
|
regname = get_expr_register();
|
|
|
|
// Cursor may be moved back a column.
|
|
curwin->w_cursor = curpos;
|
|
check_cursor(curwin);
|
|
}
|
|
if (regname == NUL || !valid_yank_reg(regname, false)) {
|
|
vim_beep(kOptBoFlagRegister);
|
|
need_redraw = true; // remove the '"'
|
|
} else {
|
|
if (literally == Ctrl_O || literally == Ctrl_P) {
|
|
// Append the command to the redo buffer.
|
|
AppendCharToRedobuff(Ctrl_R);
|
|
AppendCharToRedobuff(literally);
|
|
AppendCharToRedobuff(regname);
|
|
|
|
do_put(regname, NULL, BACKWARD, 1,
|
|
(literally == Ctrl_P ? PUT_FIXINDENT : 0) | PUT_CURSEND);
|
|
} else if (insert_reg(regname, NULL, literally) == FAIL) {
|
|
vim_beep(kOptBoFlagRegister);
|
|
need_redraw = true; // remove the '"'
|
|
} else if (stop_insert_mode) {
|
|
// When the '=' register was used and a function was invoked that
|
|
// did ":stopinsert" then stuff_empty() returns false but we won't
|
|
// insert anything, need to remove the '"'
|
|
need_redraw = true;
|
|
}
|
|
}
|
|
no_u_sync--;
|
|
if (u_sync_once == 1) {
|
|
ins_need_undo = true;
|
|
}
|
|
u_sync_once = 0;
|
|
|
|
// If the inserted register is empty, we need to remove the '"'. Do this before
|
|
// clearing showcmd, which emits an event that can also update the screen.
|
|
if (need_redraw || stuff_empty()) {
|
|
edit_unputchar();
|
|
}
|
|
clear_showcmd();
|
|
|
|
// Disallow starting Visual mode here, would get a weird mode.
|
|
if (!vis_active && VIsual_active) {
|
|
end_visual_mode();
|
|
}
|
|
}
|
|
|
|
// CTRL-G commands in Insert mode.
|
|
static void ins_ctrl_g(void)
|
|
{
|
|
// Right after CTRL-X the cursor will be after the ruler.
|
|
setcursor();
|
|
|
|
// Don't map the second key. This also prevents the mode message to be
|
|
// deleted when ESC is hit.
|
|
no_mapping++;
|
|
allow_keys++;
|
|
int c = plain_vgetc();
|
|
no_mapping--;
|
|
allow_keys--;
|
|
switch (c) {
|
|
// CTRL-G k and CTRL-G <Up>: cursor up to Insstart.col
|
|
case K_UP:
|
|
case Ctrl_K:
|
|
case 'k':
|
|
ins_up(true);
|
|
break;
|
|
|
|
// CTRL-G j and CTRL-G <Down>: cursor down to Insstart.col
|
|
case K_DOWN:
|
|
case Ctrl_J:
|
|
case 'j':
|
|
ins_down(true);
|
|
break;
|
|
|
|
// CTRL-G u: start new undoable edit
|
|
case 'u':
|
|
u_sync(true);
|
|
ins_need_undo = true;
|
|
|
|
// Need to reset Insstart, esp. because a BS that joins
|
|
// a line to the previous one must save for undo.
|
|
update_Insstart_orig = false;
|
|
Insstart = curwin->w_cursor;
|
|
break;
|
|
|
|
// CTRL-G U: do not break undo with the next char.
|
|
case 'U':
|
|
// Allow one left/right cursor movement with the next char,
|
|
// without breaking undo.
|
|
dont_sync_undo = kNone;
|
|
break;
|
|
|
|
case ESC:
|
|
// Esc after CTRL-G cancels it.
|
|
break;
|
|
|
|
// Unknown CTRL-G command, reserved for future expansion.
|
|
default:
|
|
vim_beep(kOptBoFlagCtrlg);
|
|
}
|
|
}
|
|
|
|
// CTRL-^ in Insert mode.
|
|
static void ins_ctrl_hat(void)
|
|
{
|
|
if (map_to_exists_mode("", MODE_LANGMAP, false)) {
|
|
// ":lmap" mappings exists, Toggle use of ":lmap" mappings.
|
|
if (State & MODE_LANGMAP) {
|
|
curbuf->b_p_iminsert = B_IMODE_NONE;
|
|
State &= ~MODE_LANGMAP;
|
|
} else {
|
|
curbuf->b_p_iminsert = B_IMODE_LMAP;
|
|
State |= MODE_LANGMAP;
|
|
}
|
|
}
|
|
set_iminsert_global(curbuf);
|
|
showmode();
|
|
// Show/unshow value of 'keymap' in status lines.
|
|
status_redraw_curbuf();
|
|
}
|
|
|
|
/// Handle ESC in insert mode.
|
|
///
|
|
/// @param[in,out] count repeat count of the insert command
|
|
/// @param cmdchar command that started the insert
|
|
/// @param nomove when true, don't move the cursor
|
|
///
|
|
/// @return true when leaving insert mode, false when repeating the insert.
|
|
static bool ins_esc(int *count, int cmdchar, bool nomove)
|
|
FUNC_ATTR_NONNULL_ARG(1)
|
|
{
|
|
static bool disabled_redraw = false;
|
|
|
|
check_spell_redraw();
|
|
|
|
int temp = curwin->w_cursor.col;
|
|
if (disabled_redraw) {
|
|
RedrawingDisabled--;
|
|
disabled_redraw = false;
|
|
}
|
|
if (!arrow_used) {
|
|
// Don't append the ESC for "r<CR>" and "grx".
|
|
if (cmdchar != 'r' && cmdchar != 'v') {
|
|
AppendToRedobuff(ESC_STR);
|
|
}
|
|
|
|
// Repeating insert may take a long time. Check for
|
|
// interrupt now and then.
|
|
if (*count > 0) {
|
|
line_breakcheck();
|
|
if (got_int) {
|
|
*count = 0;
|
|
}
|
|
}
|
|
|
|
if (--*count > 0) { // repeat what was typed
|
|
// Vi repeats the insert without replacing characters.
|
|
if (vim_strchr(p_cpo, CPO_REPLCNT) != NULL) {
|
|
State &= ~REPLACE_FLAG;
|
|
}
|
|
|
|
start_redo_ins();
|
|
if (cmdchar == 'r' || cmdchar == 'v') {
|
|
stuffRedoReadbuff(ESC_STR); // No ESC in redo buffer
|
|
}
|
|
RedrawingDisabled++;
|
|
disabled_redraw = true;
|
|
// Repeat the insert
|
|
return false;
|
|
}
|
|
stop_insert(&curwin->w_cursor, true, nomove);
|
|
undisplay_dollar();
|
|
}
|
|
|
|
if (cmdchar != 'r' && cmdchar != 'v') {
|
|
ins_apply_autocmds(EVENT_INSERTLEAVEPRE);
|
|
}
|
|
|
|
// When an autoindent was removed, curswant stays after the
|
|
// indent
|
|
if (restart_edit == NUL && (colnr_T)temp == curwin->w_cursor.col) {
|
|
curwin->w_set_curswant = true;
|
|
}
|
|
|
|
// Remember the last Insert position in the '^ mark.
|
|
if ((cmdmod.cmod_flags & CMOD_KEEPJUMPS) == 0) {
|
|
fmarkv_T view = mark_view_make(curwin->w_topline, curwin->w_cursor);
|
|
RESET_FMARK(&curbuf->b_last_insert, curwin->w_cursor, curbuf->b_fnum, view);
|
|
}
|
|
|
|
// The cursor should end up on the last inserted character.
|
|
// Don't do it for CTRL-O, unless past the end of the line.
|
|
if (!nomove
|
|
&& (curwin->w_cursor.col != 0 || curwin->w_cursor.coladd > 0)
|
|
&& (restart_edit == NUL || (gchar_cursor() == NUL && !VIsual_active))
|
|
&& !revins_on) {
|
|
if (curwin->w_cursor.coladd > 0 || get_ve_flags(curwin) == kOptVeFlagAll) {
|
|
oneleft();
|
|
if (restart_edit != NUL) {
|
|
curwin->w_cursor.coladd++;
|
|
}
|
|
} else {
|
|
curwin->w_cursor.col--;
|
|
curwin->w_valid &= ~(VALID_WCOL|VALID_VIRTCOL);
|
|
// Correct cursor for multi-byte character.
|
|
mb_adjust_cursor();
|
|
}
|
|
}
|
|
|
|
State = MODE_NORMAL;
|
|
may_trigger_modechanged();
|
|
// need to position cursor again when on a TAB and
|
|
// when on a char with inline virtual text
|
|
if (gchar_cursor() == TAB || buf_meta_total(curbuf, kMTMetaInline) > 0) {
|
|
curwin->w_valid &= ~(VALID_WROW|VALID_WCOL|VALID_VIRTCOL);
|
|
}
|
|
|
|
setmouse();
|
|
ui_cursor_shape(); // may show different cursor shape
|
|
|
|
// When recording or for CTRL-O, need to display the new mode.
|
|
// Otherwise remove the mode message.
|
|
if (reg_recording != 0 || restart_edit != NUL) {
|
|
showmode();
|
|
} else if (p_smd && (got_int || !skip_showmode())
|
|
&& !(p_ch == 0 && !ui_has(kUIMessages))) {
|
|
unshowmode(false);
|
|
}
|
|
// Exit Insert mode
|
|
return true;
|
|
}
|
|
|
|
// Toggle language: revins_on.
|
|
// Move to end of reverse inserted text.
|
|
static void ins_ctrl_(void)
|
|
{
|
|
if (revins_on && revins_chars && revins_scol >= 0) {
|
|
while (gchar_cursor() != NUL && revins_chars--) {
|
|
curwin->w_cursor.col++;
|
|
}
|
|
}
|
|
p_ri = !p_ri;
|
|
revins_on = (State == MODE_INSERT && p_ri);
|
|
if (revins_on) {
|
|
revins_scol = curwin->w_cursor.col;
|
|
revins_legal++;
|
|
revins_chars = 0;
|
|
undisplay_dollar();
|
|
} else {
|
|
revins_scol = -1;
|
|
}
|
|
showmode();
|
|
}
|
|
|
|
/// If 'keymodel' contains "startsel", may start selection.
|
|
///
|
|
/// @param c character to check
|
|
//
|
|
/// @return true when a CTRL-O and other keys stuffed.
|
|
static bool ins_start_select(int c)
|
|
FUNC_ATTR_WARN_UNUSED_RESULT
|
|
{
|
|
if (!km_startsel) {
|
|
return false;
|
|
}
|
|
switch (c) {
|
|
case K_KHOME:
|
|
case K_KEND:
|
|
case K_PAGEUP:
|
|
case K_KPAGEUP:
|
|
case K_PAGEDOWN:
|
|
case K_KPAGEDOWN:
|
|
if (!(mod_mask & MOD_MASK_SHIFT)) {
|
|
break;
|
|
}
|
|
FALLTHROUGH;
|
|
case K_S_LEFT:
|
|
case K_S_RIGHT:
|
|
case K_S_UP:
|
|
case K_S_DOWN:
|
|
case K_S_END:
|
|
case K_S_HOME:
|
|
// Start selection right away, the cursor can move with CTRL-O when
|
|
// beyond the end of the line.
|
|
start_selection();
|
|
|
|
// Execute the key in (insert) Select mode.
|
|
stuffcharReadbuff(Ctrl_O);
|
|
if (mod_mask) {
|
|
const char buf[] = { (char)K_SPECIAL, (char)KS_MODIFIER,
|
|
(char)(uint8_t)mod_mask, NUL };
|
|
stuffReadbuffLen(buf, 3);
|
|
}
|
|
stuffcharReadbuff(c);
|
|
return true;
|
|
}
|
|
return false;
|
|
}
|
|
|
|
// <Insert> key in Insert mode: toggle insert/replace mode.
|
|
static void ins_insert(int replaceState)
|
|
{
|
|
set_vim_var_string(VV_INSERTMODE, ((State & REPLACE_FLAG)
|
|
? "i"
|
|
: replaceState == MODE_VREPLACE ? "v" : "r"), 1);
|
|
ins_apply_autocmds(EVENT_INSERTCHANGE);
|
|
if (State & REPLACE_FLAG) {
|
|
State = MODE_INSERT | (State & MODE_LANGMAP);
|
|
} else {
|
|
State = replaceState | (State & MODE_LANGMAP);
|
|
}
|
|
may_trigger_modechanged();
|
|
AppendCharToRedobuff(K_INS);
|
|
showmode();
|
|
ui_cursor_shape(); // may show different cursor shape
|
|
}
|
|
|
|
// Pressed CTRL-O in Insert mode.
|
|
static void ins_ctrl_o(void)
|
|
{
|
|
restart_VIsual_select = 0;
|
|
if (State & VREPLACE_FLAG) {
|
|
restart_edit = 'V';
|
|
} else if (State & REPLACE_FLAG) {
|
|
restart_edit = 'R';
|
|
} else {
|
|
restart_edit = 'I';
|
|
}
|
|
if (virtual_active(curwin)) {
|
|
ins_at_eol = false; // cursor always keeps its column
|
|
} else {
|
|
ins_at_eol = (gchar_cursor() == NUL);
|
|
}
|
|
}
|
|
|
|
// If the cursor is on an indent, ^T/^D insert/delete one
|
|
// shiftwidth. Otherwise ^T/^D behave like a "<<" or ">>".
|
|
// Always round the indent to 'shiftwidth', this is compatible
|
|
// with vi. But vi only supports ^T and ^D after an
|
|
// autoindent, we support it everywhere.
|
|
static void ins_shift(int c, int lastc)
|
|
{
|
|
if (stop_arrow() == FAIL) {
|
|
return;
|
|
}
|
|
AppendCharToRedobuff(c);
|
|
|
|
// 0^D and ^^D: remove all indent.
|
|
if (c == Ctrl_D && (lastc == '0' || lastc == '^')
|
|
&& curwin->w_cursor.col > 0) {
|
|
curwin->w_cursor.col--;
|
|
del_char(false); // delete the '^' or '0'
|
|
// In Replace mode, restore the characters that '^' or '0' replaced.
|
|
if (State & REPLACE_FLAG) {
|
|
replace_pop_ins();
|
|
}
|
|
if (lastc == '^') {
|
|
old_indent = get_indent(); // remember curr. indent
|
|
}
|
|
change_indent(INDENT_SET, 0, true, true);
|
|
} else {
|
|
change_indent(c == Ctrl_D ? INDENT_DEC : INDENT_INC, 0, true, true);
|
|
}
|
|
|
|
if (did_ai && *skipwhite(get_cursor_line_ptr()) != NUL) {
|
|
did_ai = false;
|
|
}
|
|
did_si = false;
|
|
can_si = false;
|
|
can_si_back = false;
|
|
can_cindent = false; // no cindenting after ^D or ^T
|
|
}
|
|
|
|
static void ins_del(void)
|
|
{
|
|
if (stop_arrow() == FAIL) {
|
|
return;
|
|
}
|
|
if (gchar_cursor() == NUL) { // delete newline
|
|
const int temp = curwin->w_cursor.col;
|
|
if (!can_bs(BS_EOL) // only if "eol" included
|
|
|| do_join(2, false, true, false, false) == FAIL) {
|
|
vim_beep(kOptBoFlagBackspace);
|
|
} else {
|
|
curwin->w_cursor.col = temp;
|
|
// Adjust orig_line_count in case more lines have been deleted than
|
|
// have been added. That makes sure, that open_line() later
|
|
// can access all buffer lines correctly
|
|
if (State & VREPLACE_FLAG
|
|
&& orig_line_count > curbuf->b_ml.ml_line_count) {
|
|
orig_line_count = curbuf->b_ml.ml_line_count;
|
|
}
|
|
}
|
|
} else if (del_char(false) == FAIL) { // delete char under cursor
|
|
vim_beep(kOptBoFlagBackspace);
|
|
}
|
|
did_ai = false;
|
|
did_si = false;
|
|
can_si = false;
|
|
can_si_back = false;
|
|
AppendCharToRedobuff(K_DEL);
|
|
}
|
|
|
|
/// Handle Backspace, delete-word and delete-line in Insert mode.
|
|
///
|
|
/// @param c character that was typed
|
|
/// @param mode backspace mode to use
|
|
/// @param[in,out] inserted_space_p whether a space was the last
|
|
// character inserted
|
|
///
|
|
/// @return true when backspace was actually used.
|
|
static bool ins_bs(int c, int mode, int *inserted_space_p)
|
|
FUNC_ATTR_NONNULL_ARG(3)
|
|
{
|
|
int cc;
|
|
int temp = 0; // init for GCC
|
|
bool did_backspace = false;
|
|
bool call_fix_indent = false;
|
|
|
|
// can't delete anything in an empty file
|
|
// can't backup past first character in buffer
|
|
// can't backup past starting point unless 'backspace' > 1
|
|
// can backup to a previous line if 'backspace' == 0
|
|
if (buf_is_empty(curbuf)
|
|
|| (!revins_on
|
|
&& ((curwin->w_cursor.lnum == 1 && curwin->w_cursor.col == 0)
|
|
|| (!can_bs(BS_START)
|
|
&& ((arrow_used && !bt_prompt(curbuf))
|
|
|| (curwin->w_cursor.lnum == Insstart_orig.lnum
|
|
&& curwin->w_cursor.col <= Insstart_orig.col)))
|
|
|| (!can_bs(BS_INDENT) && !arrow_used && ai_col > 0
|
|
&& curwin->w_cursor.col <= ai_col)
|
|
|| (!can_bs(BS_EOL) && curwin->w_cursor.col == 0)))) {
|
|
vim_beep(kOptBoFlagBackspace);
|
|
return false;
|
|
}
|
|
|
|
if (stop_arrow() == FAIL) {
|
|
return false;
|
|
}
|
|
bool in_indent = inindent(0);
|
|
if (in_indent) {
|
|
can_cindent = false;
|
|
}
|
|
end_comment_pending = NUL; // After BS, don't auto-end comment
|
|
if (revins_on) { // put cursor after last inserted char
|
|
inc_cursor();
|
|
}
|
|
// Virtualedit:
|
|
// BACKSPACE_CHAR eats a virtual space
|
|
// BACKSPACE_WORD eats all coladd
|
|
// BACKSPACE_LINE eats all coladd and keeps going
|
|
if (curwin->w_cursor.coladd > 0) {
|
|
if (mode == BACKSPACE_CHAR) {
|
|
curwin->w_cursor.coladd--;
|
|
return true;
|
|
}
|
|
if (mode == BACKSPACE_WORD) {
|
|
curwin->w_cursor.coladd = 0;
|
|
return true;
|
|
}
|
|
curwin->w_cursor.coladd = 0;
|
|
}
|
|
|
|
// Delete newline!
|
|
if (curwin->w_cursor.col == 0) {
|
|
linenr_T lnum = Insstart.lnum;
|
|
if (curwin->w_cursor.lnum == lnum || revins_on) {
|
|
if (u_save((linenr_T)(curwin->w_cursor.lnum - 2),
|
|
(linenr_T)(curwin->w_cursor.lnum + 1)) == FAIL) {
|
|
return false;
|
|
}
|
|
Insstart.lnum--;
|
|
Insstart.col = ml_get_len(Insstart.lnum);
|
|
}
|
|
// In replace mode:
|
|
// cc < 0: NL was inserted, delete it
|
|
// cc >= 0: NL was replaced, put original characters back
|
|
cc = -1;
|
|
if (State & REPLACE_FLAG) {
|
|
cc = replace_pop_if_nul(); // returns -1 if NL was inserted
|
|
}
|
|
// In replace mode, in the line we started replacing, we only move the
|
|
// cursor.
|
|
if ((State & REPLACE_FLAG) && curwin->w_cursor.lnum <= lnum) {
|
|
dec_cursor();
|
|
} else {
|
|
if (!(State & VREPLACE_FLAG)
|
|
|| curwin->w_cursor.lnum > orig_line_count) {
|
|
temp = gchar_cursor(); // remember current char
|
|
curwin->w_cursor.lnum--;
|
|
|
|
// When "aw" is in 'formatoptions' we must delete the space at
|
|
// the end of the line, otherwise the line will be broken
|
|
// again when auto-formatting.
|
|
if (has_format_option(FO_AUTO)
|
|
&& has_format_option(FO_WHITE_PAR)) {
|
|
char *ptr = ml_get_buf_mut(curbuf, curwin->w_cursor.lnum);
|
|
int len = get_cursor_line_len();
|
|
if (len > 0 && ptr[len - 1] == ' ') {
|
|
ptr[len - 1] = NUL;
|
|
curbuf->b_ml.ml_line_len--;
|
|
}
|
|
}
|
|
|
|
do_join(2, false, false, false, false);
|
|
if (temp == NUL && gchar_cursor() != NUL) {
|
|
inc_cursor();
|
|
}
|
|
} else {
|
|
dec_cursor();
|
|
}
|
|
|
|
// In MODE_REPLACE mode we have to put back the text that was
|
|
// replaced by the NL. On the replace stack is first a
|
|
// NUL-terminated sequence of characters that were deleted and then
|
|
// the characters that NL replaced.
|
|
if (State & REPLACE_FLAG) {
|
|
// Do the next ins_char() in MODE_NORMAL state, to
|
|
// prevent ins_char() from replacing characters and
|
|
// avoiding showmatch().
|
|
int oldState = State;
|
|
State = MODE_NORMAL;
|
|
// restore characters (blanks) deleted after cursor
|
|
while (cc > 0) {
|
|
colnr_T save_col = curwin->w_cursor.col;
|
|
mb_replace_pop_ins();
|
|
curwin->w_cursor.col = save_col;
|
|
cc = replace_pop_if_nul();
|
|
}
|
|
// restore the characters that NL replaced
|
|
replace_pop_ins();
|
|
State = oldState;
|
|
}
|
|
}
|
|
did_ai = false;
|
|
} else {
|
|
// Delete character(s) before the cursor.
|
|
if (revins_on) { // put cursor on last inserted char
|
|
dec_cursor();
|
|
}
|
|
colnr_T mincol = 0;
|
|
// keep indent
|
|
if (mode == BACKSPACE_LINE
|
|
&& (curbuf->b_p_ai || cindent_on())
|
|
&& !revins_on) {
|
|
colnr_T save_col = curwin->w_cursor.col;
|
|
beginline(BL_WHITE);
|
|
if (curwin->w_cursor.col < save_col) {
|
|
mincol = curwin->w_cursor.col;
|
|
// should now fix the indent to match with the previous line
|
|
call_fix_indent = true;
|
|
}
|
|
curwin->w_cursor.col = save_col;
|
|
}
|
|
|
|
// Handle deleting one 'shiftwidth' or 'softtabstop'.
|
|
if (mode == BACKSPACE_CHAR
|
|
&& ((p_sta && in_indent)
|
|
|| ((get_sts_value() != 0 || tabstop_count(curbuf->b_p_vsts_array))
|
|
&& curwin->w_cursor.col > 0
|
|
&& (*(get_cursor_pos_ptr() - 1) == TAB
|
|
|| (*(get_cursor_pos_ptr() - 1) == ' '
|
|
&& (!*inserted_space_p || arrow_used)))))) {
|
|
*inserted_space_p = false;
|
|
|
|
bool const use_ts = !curwin->w_p_list || curwin->w_p_lcs_chars.tab1;
|
|
char *const line = get_cursor_line_ptr();
|
|
char *const cursor_ptr = line + curwin->w_cursor.col;
|
|
|
|
colnr_T vcol = 0;
|
|
colnr_T space_vcol = 0;
|
|
StrCharInfo sci = utf_ptr2StrCharInfo(line);
|
|
StrCharInfo space_sci = sci;
|
|
bool prev_space = false;
|
|
|
|
// Compute virtual column of cursor position, and find the last
|
|
// whitespace before cursor that is preceded by non-whitespace.
|
|
// Use charsize_nowrap() so that virtual text and wrapping are ignored.
|
|
while (sci.ptr < cursor_ptr) {
|
|
bool cur_space = ascii_iswhite(sci.chr.value);
|
|
if (!prev_space && cur_space) {
|
|
space_sci = sci;
|
|
space_vcol = vcol;
|
|
}
|
|
vcol += charsize_nowrap(curbuf, sci.ptr, use_ts, vcol, sci.chr.value);
|
|
sci = utfc_next(sci);
|
|
prev_space = cur_space;
|
|
}
|
|
|
|
// Compute the virtual column where we want to be.
|
|
colnr_T want_vcol = vcol > 0 ? vcol - 1 : 0;
|
|
if (p_sta && in_indent) {
|
|
want_vcol -= want_vcol % get_sw_value(curbuf);
|
|
} else {
|
|
want_vcol = tabstop_start(want_vcol, get_sts_value(), curbuf->b_p_vsts_array);
|
|
}
|
|
|
|
// Find the position to stop backspacing.
|
|
// Use charsize_nowrap() so that virtual text and wrapping are ignored.
|
|
while (true) {
|
|
int size = charsize_nowrap(curbuf, space_sci.ptr, use_ts, space_vcol, space_sci.chr.value);
|
|
if (space_vcol + size > want_vcol) {
|
|
break;
|
|
}
|
|
space_vcol += size;
|
|
space_sci = utfc_next(space_sci);
|
|
}
|
|
colnr_T const want_col = (int)(space_sci.ptr - line);
|
|
|
|
// Delete characters until we are at or before want_col.
|
|
while (curwin->w_cursor.col > want_col) {
|
|
dec_cursor();
|
|
if (State & REPLACE_FLAG) {
|
|
// Don't delete characters before the insert point when in Replace mode.
|
|
if (curwin->w_cursor.lnum != Insstart.lnum
|
|
|| curwin->w_cursor.col >= Insstart.col) {
|
|
replace_do_bs(-1);
|
|
}
|
|
} else {
|
|
del_char(false);
|
|
}
|
|
}
|
|
|
|
// Insert extra spaces until we are at want_vcol.
|
|
for (; space_vcol < want_vcol; space_vcol++) {
|
|
// Remember the first char we inserted.
|
|
if (curwin->w_cursor.lnum == Insstart_orig.lnum
|
|
&& curwin->w_cursor.col < Insstart_orig.col) {
|
|
Insstart_orig.col = curwin->w_cursor.col;
|
|
}
|
|
|
|
if (State & VREPLACE_FLAG) {
|
|
ins_char(' ');
|
|
} else {
|
|
ins_str(S_LEN(" "));
|
|
if ((State & REPLACE_FLAG)) {
|
|
replace_push_nul();
|
|
}
|
|
}
|
|
}
|
|
} else {
|
|
// Delete up to starting point, start of line or previous word.
|
|
|
|
int cclass = mb_get_class(get_cursor_pos_ptr());
|
|
do {
|
|
if (!revins_on) { // put cursor on char to be deleted
|
|
dec_cursor();
|
|
}
|
|
cc = gchar_cursor();
|
|
// look multi-byte character class
|
|
int prev_cclass = cclass;
|
|
cclass = mb_get_class(get_cursor_pos_ptr());
|
|
if (mode == BACKSPACE_WORD && !ascii_isspace(cc)) { // start of word?
|
|
mode = BACKSPACE_WORD_NOT_SPACE;
|
|
temp = vim_iswordc(cc);
|
|
} else if (mode == BACKSPACE_WORD_NOT_SPACE
|
|
&& ((ascii_isspace(cc) || vim_iswordc(cc) != temp)
|
|
|| prev_cclass != cclass)) { // end of word?
|
|
if (!revins_on) {
|
|
inc_cursor();
|
|
} else if (State & REPLACE_FLAG) {
|
|
dec_cursor();
|
|
}
|
|
break;
|
|
}
|
|
if (State & REPLACE_FLAG) {
|
|
replace_do_bs(-1);
|
|
} else {
|
|
bool has_composing = false;
|
|
if (p_deco) {
|
|
char *p0 = get_cursor_pos_ptr();
|
|
has_composing = utf_composinglike(p0, p0 + utf_ptr2len(p0), NULL);
|
|
}
|
|
del_char(false);
|
|
// If there are combining characters and 'delcombine' is set
|
|
// move the cursor back. Don't back up before the base character.
|
|
if (has_composing) {
|
|
inc_cursor();
|
|
}
|
|
if (revins_chars) {
|
|
revins_chars--;
|
|
revins_legal++;
|
|
}
|
|
if (revins_on && gchar_cursor() == NUL) {
|
|
break;
|
|
}
|
|
}
|
|
// Just a single backspace?:
|
|
if (mode == BACKSPACE_CHAR) {
|
|
break;
|
|
}
|
|
} while (revins_on
|
|
|| (curwin->w_cursor.col > mincol
|
|
&& (can_bs(BS_NOSTOP)
|
|
|| (curwin->w_cursor.lnum != Insstart_orig.lnum
|
|
|| curwin->w_cursor.col != Insstart_orig.col))));
|
|
}
|
|
did_backspace = true;
|
|
}
|
|
did_si = false;
|
|
can_si = false;
|
|
can_si_back = false;
|
|
if (curwin->w_cursor.col <= 1) {
|
|
did_ai = false;
|
|
}
|
|
|
|
if (call_fix_indent) {
|
|
fix_indent();
|
|
}
|
|
|
|
// It's a little strange to put backspaces into the redo
|
|
// buffer, but it makes auto-indent a lot easier to deal
|
|
// with.
|
|
AppendCharToRedobuff(c);
|
|
|
|
// If deleted before the insertion point, adjust it
|
|
if (curwin->w_cursor.lnum == Insstart_orig.lnum
|
|
&& curwin->w_cursor.col < Insstart_orig.col) {
|
|
Insstart_orig.col = curwin->w_cursor.col;
|
|
}
|
|
|
|
// vi behaviour: the cursor moves backward but the character that
|
|
// was there remains visible
|
|
// Vim behaviour: the cursor moves backward and the character that
|
|
// was there is erased from the screen.
|
|
// We can emulate the vi behaviour by pretending there is a dollar
|
|
// displayed even when there isn't.
|
|
// --pkv Sun Jan 19 01:56:40 EST 2003
|
|
if (vim_strchr(p_cpo, CPO_BACKSPACE) != NULL && dollar_vcol == -1) {
|
|
dollar_vcol = curwin->w_virtcol;
|
|
}
|
|
|
|
// When deleting a char the cursor line must never be in a closed fold.
|
|
// E.g., when 'foldmethod' is indent and deleting the first non-white
|
|
// char before a Tab.
|
|
if (did_backspace) {
|
|
foldOpenCursor();
|
|
}
|
|
return did_backspace;
|
|
}
|
|
|
|
static void ins_left(void)
|
|
{
|
|
const bool end_change = dont_sync_undo == kFalse; // end undoable change
|
|
|
|
if ((fdo_flags & kOptFdoFlagHor) && KeyTyped) {
|
|
foldOpenCursor();
|
|
}
|
|
undisplay_dollar();
|
|
pos_T tpos = curwin->w_cursor;
|
|
if (oneleft() == OK) {
|
|
start_arrow_with_change(&tpos, end_change);
|
|
if (!end_change) {
|
|
AppendCharToRedobuff(K_LEFT);
|
|
}
|
|
// If exit reversed string, position is fixed
|
|
if (revins_scol != -1 && (int)curwin->w_cursor.col >= revins_scol) {
|
|
revins_legal++;
|
|
}
|
|
revins_chars++;
|
|
} else if (vim_strchr(p_ww, '[') != NULL && curwin->w_cursor.lnum > 1) {
|
|
// if 'whichwrap' set for cursor in insert mode may go to previous line.
|
|
// always break undo when moving upwards/downwards, else undo may break
|
|
start_arrow(&tpos);
|
|
curwin->w_cursor.lnum--;
|
|
coladvance(curwin, MAXCOL);
|
|
curwin->w_set_curswant = true; // so we stay at the end
|
|
} else {
|
|
vim_beep(kOptBoFlagCursor);
|
|
}
|
|
dont_sync_undo = kFalse;
|
|
}
|
|
|
|
static void ins_home(int c)
|
|
{
|
|
if ((fdo_flags & kOptFdoFlagHor) && KeyTyped) {
|
|
foldOpenCursor();
|
|
}
|
|
undisplay_dollar();
|
|
pos_T tpos = curwin->w_cursor;
|
|
if (c == K_C_HOME) {
|
|
curwin->w_cursor.lnum = 1;
|
|
}
|
|
curwin->w_cursor.col = 0;
|
|
curwin->w_cursor.coladd = 0;
|
|
curwin->w_curswant = 0;
|
|
start_arrow(&tpos);
|
|
}
|
|
|
|
static void ins_end(int c)
|
|
{
|
|
if ((fdo_flags & kOptFdoFlagHor) && KeyTyped) {
|
|
foldOpenCursor();
|
|
}
|
|
undisplay_dollar();
|
|
pos_T tpos = curwin->w_cursor;
|
|
if (c == K_C_END) {
|
|
curwin->w_cursor.lnum = curbuf->b_ml.ml_line_count;
|
|
}
|
|
coladvance(curwin, MAXCOL);
|
|
curwin->w_curswant = MAXCOL;
|
|
|
|
start_arrow(&tpos);
|
|
}
|
|
|
|
static void ins_s_left(void)
|
|
{
|
|
const bool end_change = dont_sync_undo == kFalse; // end undoable change
|
|
if ((fdo_flags & kOptFdoFlagHor) && KeyTyped) {
|
|
foldOpenCursor();
|
|
}
|
|
undisplay_dollar();
|
|
if (curwin->w_cursor.lnum > 1 || curwin->w_cursor.col > 0) {
|
|
start_arrow_with_change(&curwin->w_cursor, end_change);
|
|
if (!end_change) {
|
|
AppendCharToRedobuff(K_S_LEFT);
|
|
}
|
|
bck_word(1, false, false);
|
|
curwin->w_set_curswant = true;
|
|
} else {
|
|
vim_beep(kOptBoFlagCursor);
|
|
}
|
|
dont_sync_undo = kFalse;
|
|
}
|
|
|
|
/// @param end_change end undoable change
|
|
static void ins_right(void)
|
|
{
|
|
const bool end_change = dont_sync_undo == kFalse; // end undoable change
|
|
if ((fdo_flags & kOptFdoFlagHor) && KeyTyped) {
|
|
foldOpenCursor();
|
|
}
|
|
undisplay_dollar();
|
|
if (gchar_cursor() != NUL || virtual_active(curwin)) {
|
|
start_arrow_with_change(&curwin->w_cursor, end_change);
|
|
if (!end_change) {
|
|
AppendCharToRedobuff(K_RIGHT);
|
|
}
|
|
curwin->w_set_curswant = true;
|
|
if (virtual_active(curwin)) {
|
|
oneright();
|
|
} else {
|
|
curwin->w_cursor.col += utfc_ptr2len(get_cursor_pos_ptr());
|
|
}
|
|
|
|
revins_legal++;
|
|
if (revins_chars) {
|
|
revins_chars--;
|
|
}
|
|
} else if (vim_strchr(p_ww, ']') != NULL
|
|
&& curwin->w_cursor.lnum < curbuf->b_ml.ml_line_count) {
|
|
// if 'whichwrap' set for cursor in insert mode, may move the
|
|
// cursor to the next line
|
|
start_arrow(&curwin->w_cursor);
|
|
curwin->w_set_curswant = true;
|
|
curwin->w_cursor.lnum++;
|
|
curwin->w_cursor.col = 0;
|
|
} else {
|
|
vim_beep(kOptBoFlagCursor);
|
|
}
|
|
dont_sync_undo = kFalse;
|
|
}
|
|
|
|
static void ins_s_right(void)
|
|
{
|
|
const bool end_change = dont_sync_undo == kFalse; // end undoable change
|
|
if ((fdo_flags & kOptFdoFlagHor) && KeyTyped) {
|
|
foldOpenCursor();
|
|
}
|
|
undisplay_dollar();
|
|
if (curwin->w_cursor.lnum < curbuf->b_ml.ml_line_count
|
|
|| gchar_cursor() != NUL) {
|
|
start_arrow_with_change(&curwin->w_cursor, end_change);
|
|
if (!end_change) {
|
|
AppendCharToRedobuff(K_S_RIGHT);
|
|
}
|
|
fwd_word(1, false, 0);
|
|
curwin->w_set_curswant = true;
|
|
} else {
|
|
vim_beep(kOptBoFlagCursor);
|
|
}
|
|
dont_sync_undo = kFalse;
|
|
}
|
|
|
|
/// @param startcol when true move to Insstart.col
|
|
static void ins_up(bool startcol)
|
|
{
|
|
linenr_T old_topline = curwin->w_topline;
|
|
int old_topfill = curwin->w_topfill;
|
|
|
|
undisplay_dollar();
|
|
pos_T tpos = curwin->w_cursor;
|
|
if (cursor_up(1, true) == OK) {
|
|
if (startcol) {
|
|
coladvance(curwin, getvcol_nolist(&Insstart));
|
|
}
|
|
if (old_topline != curwin->w_topline
|
|
|| old_topfill != curwin->w_topfill) {
|
|
redraw_later(curwin, UPD_VALID);
|
|
}
|
|
start_arrow(&tpos);
|
|
can_cindent = true;
|
|
} else {
|
|
vim_beep(kOptBoFlagCursor);
|
|
}
|
|
}
|
|
|
|
static void ins_pageup(void)
|
|
{
|
|
undisplay_dollar();
|
|
|
|
if (mod_mask & MOD_MASK_CTRL) {
|
|
// <C-PageUp>: tab page back
|
|
if (first_tabpage->tp_next != NULL) {
|
|
start_arrow(&curwin->w_cursor);
|
|
goto_tabpage(-1);
|
|
}
|
|
return;
|
|
}
|
|
|
|
pos_T tpos = curwin->w_cursor;
|
|
if (pagescroll(BACKWARD, 1, false) == OK) {
|
|
start_arrow(&tpos);
|
|
can_cindent = true;
|
|
} else {
|
|
vim_beep(kOptBoFlagCursor);
|
|
}
|
|
}
|
|
|
|
/// @param startcol when true move to Insstart.col
|
|
static void ins_down(bool startcol)
|
|
{
|
|
linenr_T old_topline = curwin->w_topline;
|
|
int old_topfill = curwin->w_topfill;
|
|
|
|
undisplay_dollar();
|
|
pos_T tpos = curwin->w_cursor;
|
|
if (cursor_down(1, true) == OK) {
|
|
if (startcol) {
|
|
coladvance(curwin, getvcol_nolist(&Insstart));
|
|
}
|
|
if (old_topline != curwin->w_topline
|
|
|| old_topfill != curwin->w_topfill) {
|
|
redraw_later(curwin, UPD_VALID);
|
|
}
|
|
start_arrow(&tpos);
|
|
can_cindent = true;
|
|
} else {
|
|
vim_beep(kOptBoFlagCursor);
|
|
}
|
|
}
|
|
|
|
static void ins_pagedown(void)
|
|
{
|
|
undisplay_dollar();
|
|
|
|
if (mod_mask & MOD_MASK_CTRL) {
|
|
// <C-PageDown>: tab page forward
|
|
if (first_tabpage->tp_next != NULL) {
|
|
start_arrow(&curwin->w_cursor);
|
|
goto_tabpage(0);
|
|
}
|
|
return;
|
|
}
|
|
|
|
pos_T tpos = curwin->w_cursor;
|
|
if (pagescroll(FORWARD, 1, false) == OK) {
|
|
start_arrow(&tpos);
|
|
can_cindent = true;
|
|
} else {
|
|
vim_beep(kOptBoFlagCursor);
|
|
}
|
|
}
|
|
|
|
/// Handle TAB in Insert or Replace mode.
|
|
///
|
|
/// @return true when the TAB needs to be inserted like a normal character.
|
|
static bool ins_tab(void)
|
|
FUNC_ATTR_WARN_UNUSED_RESULT
|
|
{
|
|
int temp;
|
|
|
|
if (Insstart_blank_vcol == MAXCOL && curwin->w_cursor.lnum == Insstart.lnum) {
|
|
Insstart_blank_vcol = get_nolist_virtcol();
|
|
}
|
|
if (echeck_abbr(TAB + ABBR_OFF)) {
|
|
return false;
|
|
}
|
|
|
|
bool ind = inindent(0);
|
|
if (ind) {
|
|
can_cindent = false;
|
|
}
|
|
|
|
// When nothing special, insert TAB like a normal character.
|
|
if (!curbuf->b_p_et
|
|
&& !(
|
|
p_sta
|
|
&& ind
|
|
// These five lines mean 'tabstop' != 'shiftwidth'
|
|
&& ((tabstop_count(curbuf->b_p_vts_array) > 1)
|
|
|| (tabstop_count(curbuf->b_p_vts_array) == 1
|
|
&& tabstop_first(curbuf->b_p_vts_array)
|
|
!= get_sw_value(curbuf))
|
|
|| (tabstop_count(curbuf->b_p_vts_array) == 0
|
|
&& curbuf->b_p_ts != get_sw_value(curbuf))))
|
|
&& tabstop_count(curbuf->b_p_vsts_array) == 0 && get_sts_value() == 0) {
|
|
return true;
|
|
}
|
|
|
|
if (stop_arrow() == FAIL) {
|
|
return true;
|
|
}
|
|
|
|
did_ai = false;
|
|
did_si = false;
|
|
can_si = false;
|
|
can_si_back = false;
|
|
AppendToRedobuff("\t");
|
|
|
|
if (p_sta && ind) { // insert tab in indent, use 'shiftwidth'
|
|
temp = get_sw_value(curbuf);
|
|
temp -= get_nolist_virtcol() % temp;
|
|
} else if (tabstop_count(curbuf->b_p_vsts_array) > 0
|
|
|| curbuf->b_p_sts != 0) {
|
|
// use 'softtabstop' when set
|
|
temp = tabstop_padding(get_nolist_virtcol(),
|
|
get_sts_value(),
|
|
curbuf->b_p_vsts_array);
|
|
} else {
|
|
// otherwise use 'tabstop'
|
|
temp = tabstop_padding(get_nolist_virtcol(),
|
|
curbuf->b_p_ts,
|
|
curbuf->b_p_vts_array);
|
|
}
|
|
|
|
// Insert the first space with ins_char(). It will delete one char in
|
|
// replace mode. Insert the rest with ins_str(); it will not delete any
|
|
// chars. For MODE_VREPLACE state, we use ins_char() for all characters.
|
|
ins_char(' ');
|
|
while (--temp > 0) {
|
|
if (State & VREPLACE_FLAG) {
|
|
ins_char(' ');
|
|
} else {
|
|
ins_str(S_LEN(" "));
|
|
if (State & REPLACE_FLAG) { // no char replaced
|
|
replace_push_nul();
|
|
}
|
|
}
|
|
}
|
|
|
|
// When 'expandtab' not set: Replace spaces by TABs where possible.
|
|
if (!curbuf->b_p_et && (tabstop_count(curbuf->b_p_vsts_array) > 0
|
|
|| get_sts_value() > 0
|
|
|| (p_sta && ind))) {
|
|
char *ptr;
|
|
char *saved_line = NULL; // init for GCC
|
|
pos_T pos;
|
|
pos_T *cursor;
|
|
colnr_T want_vcol, vcol;
|
|
int change_col = -1;
|
|
int save_list = curwin->w_p_list;
|
|
|
|
// Get the current line. For MODE_VREPLACE state, don't make real
|
|
// changes yet, just work on a copy of the line.
|
|
if (State & VREPLACE_FLAG) {
|
|
pos = curwin->w_cursor;
|
|
cursor = &pos;
|
|
saved_line = xstrnsave(get_cursor_line_ptr(), (size_t)get_cursor_line_len());
|
|
ptr = saved_line + pos.col;
|
|
} else {
|
|
ptr = get_cursor_pos_ptr();
|
|
cursor = &curwin->w_cursor;
|
|
}
|
|
|
|
// When 'L' is not in 'cpoptions' a tab always takes up 'ts' spaces.
|
|
if (vim_strchr(p_cpo, CPO_LISTWM) == NULL) {
|
|
curwin->w_p_list = false;
|
|
}
|
|
|
|
// Find first white before the cursor
|
|
pos_T fpos = curwin->w_cursor;
|
|
while (fpos.col > 0 && ascii_iswhite(ptr[-1])) {
|
|
fpos.col--;
|
|
ptr--;
|
|
}
|
|
|
|
// In Replace mode, don't change characters before the insert point.
|
|
if ((State & REPLACE_FLAG)
|
|
&& fpos.lnum == Insstart.lnum
|
|
&& fpos.col < Insstart.col) {
|
|
ptr += Insstart.col - fpos.col;
|
|
fpos.col = Insstart.col;
|
|
}
|
|
|
|
// compute virtual column numbers of first white and cursor
|
|
getvcol(curwin, &fpos, &vcol, NULL, NULL);
|
|
getvcol(curwin, cursor, &want_vcol, NULL, NULL);
|
|
|
|
char *tab = "\t";
|
|
int32_t tab_v = (uint8_t)(*tab);
|
|
|
|
CharsizeArg csarg;
|
|
CSType cstype = init_charsize_arg(&csarg, curwin, 0, tab);
|
|
|
|
// Use as many TABs as possible. Beware of 'breakindent', 'showbreak'
|
|
// and 'linebreak' adding extra virtual columns.
|
|
while (ascii_iswhite(*ptr)) {
|
|
int i = win_charsize(cstype, vcol, tab, tab_v, &csarg).width;
|
|
if (vcol + i > want_vcol) {
|
|
break;
|
|
}
|
|
if (*ptr != TAB) {
|
|
*ptr = TAB;
|
|
if (change_col < 0) {
|
|
change_col = fpos.col; // Column of first change
|
|
// May have to adjust Insstart
|
|
if (fpos.lnum == Insstart.lnum && fpos.col < Insstart.col) {
|
|
Insstart.col = fpos.col;
|
|
}
|
|
}
|
|
}
|
|
fpos.col++;
|
|
ptr++;
|
|
vcol += i;
|
|
}
|
|
|
|
if (change_col >= 0) {
|
|
int repl_off = 0;
|
|
// Skip over the spaces we need.
|
|
cstype = init_charsize_arg(&csarg, curwin, 0, ptr);
|
|
while (vcol < want_vcol && *ptr == ' ') {
|
|
vcol += win_charsize(cstype, vcol, ptr, (uint8_t)(' '), &csarg).width;
|
|
ptr++;
|
|
repl_off++;
|
|
}
|
|
|
|
if (vcol > want_vcol) {
|
|
// Must have a char with 'showbreak' just before it.
|
|
ptr--;
|
|
repl_off--;
|
|
}
|
|
fpos.col += repl_off;
|
|
|
|
// Delete following spaces.
|
|
int i = cursor->col - fpos.col;
|
|
if (i > 0) {
|
|
if (!(State & VREPLACE_FLAG)) {
|
|
char *newp = xmalloc((size_t)(curbuf->b_ml.ml_line_len - i));
|
|
ptrdiff_t col = ptr - curbuf->b_ml.ml_line_ptr;
|
|
if (col > 0) {
|
|
memmove(newp, ptr - col, (size_t)col);
|
|
}
|
|
memmove(newp + col, ptr + i, (size_t)(curbuf->b_ml.ml_line_len - col - i));
|
|
if (curbuf->b_ml.ml_flags & (ML_LINE_DIRTY | ML_ALLOCATED)) {
|
|
xfree(curbuf->b_ml.ml_line_ptr);
|
|
}
|
|
curbuf->b_ml.ml_line_ptr = newp;
|
|
curbuf->b_ml.ml_line_len -= i;
|
|
curbuf->b_ml.ml_flags = (curbuf->b_ml.ml_flags | ML_LINE_DIRTY) & ~ML_EMPTY;
|
|
inserted_bytes(fpos.lnum, change_col,
|
|
cursor->col - change_col, fpos.col - change_col);
|
|
} else {
|
|
STRMOVE(ptr, ptr + i);
|
|
}
|
|
// correct replace stack.
|
|
if ((State & REPLACE_FLAG) && !(State & VREPLACE_FLAG)) {
|
|
for (temp = i; --temp >= 0;) {
|
|
replace_join(repl_off);
|
|
}
|
|
}
|
|
}
|
|
cursor->col -= i;
|
|
|
|
// In MODE_VREPLACE state, we haven't changed anything yet. Do it
|
|
// now by backspacing over the changed spacing and then inserting
|
|
// the new spacing.
|
|
if (State & VREPLACE_FLAG) {
|
|
// Backspace from real cursor to change_col
|
|
backspace_until_column(change_col);
|
|
|
|
// Insert each char in saved_line from changed_col to
|
|
// ptr-cursor
|
|
ins_bytes_len(saved_line + change_col, (size_t)(cursor->col - change_col));
|
|
}
|
|
}
|
|
|
|
if (State & VREPLACE_FLAG) {
|
|
xfree(saved_line);
|
|
}
|
|
curwin->w_p_list = save_list;
|
|
}
|
|
|
|
return false;
|
|
}
|
|
|
|
/// Handle CR or NL in insert mode.
|
|
///
|
|
/// @return false when it can't undo.
|
|
bool ins_eol(int c)
|
|
{
|
|
if (echeck_abbr(c + ABBR_OFF)) {
|
|
return true;
|
|
}
|
|
if (stop_arrow() == FAIL) {
|
|
return false;
|
|
}
|
|
undisplay_dollar();
|
|
|
|
// Strange Vi behaviour: In Replace mode, typing a NL will not delete the
|
|
// character under the cursor. Only push a NUL on the replace stack,
|
|
// nothing to put back when the NL is deleted.
|
|
if ((State & REPLACE_FLAG) && !(State & VREPLACE_FLAG)) {
|
|
replace_push_nul();
|
|
}
|
|
|
|
// In MODE_VREPLACE state, a NL replaces the rest of the line, and starts
|
|
// replacing the next line, so we push all of the characters left on the
|
|
// line onto the replace stack. This is not done here though, it is done
|
|
// in open_line().
|
|
|
|
// Put cursor on NUL if on the last char and coladd is 1 (happens after
|
|
// CTRL-O).
|
|
if (virtual_active(curwin) && curwin->w_cursor.coladd > 0) {
|
|
coladvance(curwin, getviscol());
|
|
}
|
|
|
|
// NL in reverse insert will always start in the end of current line.
|
|
if (revins_on) {
|
|
curwin->w_cursor.col += get_cursor_pos_len();
|
|
}
|
|
|
|
AppendToRedobuff(NL_STR);
|
|
bool i = open_line(FORWARD,
|
|
has_format_option(FO_RET_COMS) ? OPENLINE_DO_COM : 0,
|
|
old_indent, NULL);
|
|
old_indent = 0;
|
|
can_cindent = true;
|
|
// When inserting a line the cursor line must never be in a closed fold.
|
|
foldOpenCursor();
|
|
|
|
return i;
|
|
}
|
|
|
|
// Handle digraph in insert mode.
|
|
// Returns character still to be inserted, or NUL when nothing remaining to be
|
|
// done.
|
|
static int ins_digraph(void)
|
|
{
|
|
bool did_putchar = false;
|
|
|
|
pc_status = PC_STATUS_UNSET;
|
|
if (redrawing() && !char_avail()) {
|
|
// may need to redraw when no more chars available now
|
|
ins_redraw(false);
|
|
|
|
edit_putchar('?', true);
|
|
did_putchar = true;
|
|
add_to_showcmd_c(Ctrl_K);
|
|
}
|
|
|
|
// don't map the digraph chars. This also prevents the
|
|
// mode message to be deleted when ESC is hit
|
|
no_mapping++;
|
|
allow_keys++;
|
|
int c = plain_vgetc();
|
|
no_mapping--;
|
|
allow_keys--;
|
|
if (did_putchar) {
|
|
// when the line fits in 'columns' the '?' is at the start of the next
|
|
// line and will not be removed by the redraw
|
|
edit_unputchar();
|
|
}
|
|
|
|
if (IS_SPECIAL(c) || mod_mask) { // special key
|
|
clear_showcmd();
|
|
insert_special(c, true, false);
|
|
return NUL;
|
|
}
|
|
if (c != ESC) {
|
|
did_putchar = false;
|
|
if (redrawing() && !char_avail()) {
|
|
// may need to redraw when no more chars available now
|
|
ins_redraw(false);
|
|
|
|
if (char2cells(c) == 1) {
|
|
ins_redraw(false);
|
|
edit_putchar(c, true);
|
|
did_putchar = true;
|
|
}
|
|
add_to_showcmd_c(c);
|
|
}
|
|
no_mapping++;
|
|
allow_keys++;
|
|
int cc = plain_vgetc();
|
|
no_mapping--;
|
|
allow_keys--;
|
|
if (did_putchar) {
|
|
// when the line fits in 'columns' the '?' is at the start of the
|
|
// next line and will not be removed by a redraw
|
|
edit_unputchar();
|
|
}
|
|
if (cc != ESC) {
|
|
AppendToRedobuff(CTRL_V_STR);
|
|
c = digraph_get(c, cc, true);
|
|
clear_showcmd();
|
|
return c;
|
|
}
|
|
}
|
|
clear_showcmd();
|
|
return NUL;
|
|
}
|
|
|
|
// Handle CTRL-E and CTRL-Y in Insert mode: copy char from other line.
|
|
// Returns the char to be inserted, or NUL if none found.
|
|
int ins_copychar(linenr_T lnum)
|
|
{
|
|
if (lnum < 1 || lnum > curbuf->b_ml.ml_line_count) {
|
|
vim_beep(kOptBoFlagCopy);
|
|
return NUL;
|
|
}
|
|
|
|
// try to advance to the cursor column
|
|
validate_virtcol(curwin);
|
|
int const end_vcol = curwin->w_virtcol;
|
|
char *line = ml_get(lnum);
|
|
|
|
CharsizeArg csarg;
|
|
CSType cstype = init_charsize_arg(&csarg, curwin, lnum, line);
|
|
StrCharInfo ci = utf_ptr2StrCharInfo(line);
|
|
int vcol = 0;
|
|
while (vcol < end_vcol && *ci.ptr != NUL) {
|
|
vcol += win_charsize(cstype, vcol, ci.ptr, ci.chr.value, &csarg).width;
|
|
if (vcol > end_vcol) {
|
|
break;
|
|
}
|
|
ci = utfc_next(ci);
|
|
}
|
|
|
|
int c = ci.chr.value < 0 ? (uint8_t)(*ci.ptr) : ci.chr.value;
|
|
if (c == NUL) {
|
|
vim_beep(kOptBoFlagCopy);
|
|
}
|
|
return c;
|
|
}
|
|
|
|
// CTRL-Y or CTRL-E typed in Insert mode.
|
|
static int ins_ctrl_ey(int tc)
|
|
{
|
|
int c = tc;
|
|
|
|
if (ctrl_x_mode_scroll()) {
|
|
if (c == Ctrl_Y) {
|
|
scrolldown_clamp();
|
|
} else {
|
|
scrollup_clamp();
|
|
}
|
|
redraw_later(curwin, UPD_VALID);
|
|
} else {
|
|
c = ins_copychar(curwin->w_cursor.lnum + (c == Ctrl_Y ? -1 : 1));
|
|
if (c != NUL) {
|
|
// The character must be taken literally, insert like it
|
|
// was typed after a CTRL-V, and pretend 'textwidth'
|
|
// wasn't set. Digits, 'o' and 'x' are special after a
|
|
// CTRL-V, don't use it for these.
|
|
if (c < 256 && !isalnum(c)) {
|
|
AppendToRedobuff(CTRL_V_STR);
|
|
}
|
|
OptInt tw_save = curbuf->b_p_tw;
|
|
curbuf->b_p_tw = -1;
|
|
insert_special(c, true, false);
|
|
curbuf->b_p_tw = tw_save;
|
|
revins_chars++;
|
|
revins_legal++;
|
|
c = Ctrl_V; // pretend CTRL-V is last character
|
|
auto_format(false, true);
|
|
}
|
|
}
|
|
return c;
|
|
}
|
|
|
|
// Try to do some very smart auto-indenting.
|
|
// Used when inserting a "normal" character.
|
|
static void ins_try_si(int c)
|
|
{
|
|
pos_T *pos;
|
|
|
|
// do some very smart indenting when entering '{' or '}'
|
|
if (((did_si || can_si_back) && c == '{') || (can_si && c == '}' && inindent(0))) {
|
|
pos_T old_pos;
|
|
char *ptr;
|
|
int i;
|
|
bool temp;
|
|
// for '}' set indent equal to indent of line containing matching '{'
|
|
if (c == '}' && (pos = findmatch(NULL, '{')) != NULL) {
|
|
old_pos = curwin->w_cursor;
|
|
// If the matching '{' has a ')' immediately before it (ignoring
|
|
// white-space), then line up with the start of the line
|
|
// containing the matching '(' if there is one. This handles the
|
|
// case where an "if (..\n..) {" statement continues over multiple
|
|
// lines -- webb
|
|
ptr = ml_get(pos->lnum);
|
|
i = pos->col;
|
|
if (i > 0) { // skip blanks before '{'
|
|
while (--i > 0 && ascii_iswhite(ptr[i])) {}
|
|
}
|
|
curwin->w_cursor.lnum = pos->lnum;
|
|
curwin->w_cursor.col = i;
|
|
if (ptr[i] == ')' && (pos = findmatch(NULL, '(')) != NULL) {
|
|
curwin->w_cursor = *pos;
|
|
}
|
|
i = get_indent();
|
|
curwin->w_cursor = old_pos;
|
|
if (State & VREPLACE_FLAG) {
|
|
change_indent(INDENT_SET, i, false, true);
|
|
} else {
|
|
set_indent(i, SIN_CHANGED);
|
|
}
|
|
} else if (curwin->w_cursor.col > 0) {
|
|
// when inserting '{' after "O" reduce indent, but not
|
|
// more than indent of previous line
|
|
temp = true;
|
|
if (c == '{' && can_si_back && curwin->w_cursor.lnum > 1) {
|
|
old_pos = curwin->w_cursor;
|
|
i = get_indent();
|
|
while (curwin->w_cursor.lnum > 1) {
|
|
ptr = skipwhite(ml_get(--(curwin->w_cursor.lnum)));
|
|
|
|
// ignore empty lines and lines starting with '#'.
|
|
if (*ptr != '#' && *ptr != NUL) {
|
|
break;
|
|
}
|
|
}
|
|
if (get_indent() >= i) {
|
|
temp = false;
|
|
}
|
|
curwin->w_cursor = old_pos;
|
|
}
|
|
if (temp) {
|
|
shift_line(true, false, 1, true);
|
|
}
|
|
}
|
|
}
|
|
|
|
// set indent of '#' always to 0
|
|
if (curwin->w_cursor.col > 0 && can_si && c == '#' && inindent(0)) {
|
|
// remember current indent for next line
|
|
old_indent = get_indent();
|
|
set_indent(0, SIN_CHANGED);
|
|
}
|
|
|
|
// Adjust ai_col, the char at this position can be deleted.
|
|
ai_col = MIN(ai_col, curwin->w_cursor.col);
|
|
}
|
|
|
|
// Get the value that w_virtcol would have when 'list' is off.
|
|
// Unless 'cpo' contains the 'L' flag.
|
|
colnr_T get_nolist_virtcol(void)
|
|
{
|
|
// check validity of cursor in current buffer
|
|
if (curwin->w_buffer == NULL || curwin->w_buffer->b_ml.ml_mfp == NULL
|
|
|| curwin->w_cursor.lnum > curwin->w_buffer->b_ml.ml_line_count) {
|
|
return 0;
|
|
}
|
|
if (curwin->w_p_list && vim_strchr(p_cpo, CPO_LISTWM) == NULL) {
|
|
return getvcol_nolist(&curwin->w_cursor);
|
|
}
|
|
validate_virtcol(curwin);
|
|
return curwin->w_virtcol;
|
|
}
|
|
|
|
// Handle the InsertCharPre autocommand.
|
|
// "c" is the character that was typed.
|
|
// Return a pointer to allocated memory with the replacement string.
|
|
// Return NULL to continue inserting "c".
|
|
static char *do_insert_char_pre(int c)
|
|
{
|
|
char buf[MB_MAXBYTES + 1];
|
|
const int save_State = State;
|
|
|
|
if (c == Ctrl_RSB) {
|
|
return NULL;
|
|
}
|
|
|
|
// Return quickly when there is nothing to do.
|
|
if (!has_event(EVENT_INSERTCHARPRE)) {
|
|
return NULL;
|
|
}
|
|
size_t buflen = (size_t)utf_char2bytes(c, buf);
|
|
buf[buflen] = NUL;
|
|
|
|
// Lock the text to avoid weird things from happening.
|
|
textlock++;
|
|
set_vim_var_string(VV_CHAR, buf, (ptrdiff_t)buflen); // set v:char
|
|
|
|
char *res = NULL;
|
|
if (ins_apply_autocmds(EVENT_INSERTCHARPRE)) {
|
|
// Get the value of v:char. It may be empty or more than one
|
|
// character. Only use it when changed, otherwise continue with the
|
|
// original character to avoid breaking autoindent.
|
|
if (strcmp(buf, get_vim_var_str(VV_CHAR)) != 0) {
|
|
res = xstrdup(get_vim_var_str(VV_CHAR));
|
|
}
|
|
}
|
|
|
|
set_vim_var_string(VV_CHAR, NULL, -1);
|
|
textlock--;
|
|
|
|
// Restore the State, it may have been changed.
|
|
State = save_State;
|
|
|
|
return res;
|
|
}
|
|
|
|
bool get_can_cindent(void)
|
|
{
|
|
return can_cindent;
|
|
}
|
|
|
|
void set_can_cindent(bool val)
|
|
{
|
|
can_cindent = val;
|
|
}
|
|
|
|
/// Trigger "event" and take care of fixing undo.
|
|
int ins_apply_autocmds(event_T event)
|
|
{
|
|
varnumber_T tick = buf_get_changedtick(curbuf);
|
|
|
|
int r = apply_autocmds(event, NULL, NULL, false, curbuf);
|
|
|
|
// If u_savesub() was called then we are not prepared to start
|
|
// a new line. Call u_save() with no contents to fix that.
|
|
// Except when leaving Insert mode.
|
|
if (event != EVENT_INSERTLEAVE && tick != buf_get_changedtick(curbuf)) {
|
|
u_save(curwin->w_cursor.lnum, (linenr_T)(curwin->w_cursor.lnum + 1));
|
|
}
|
|
|
|
return r;
|
|
}
|