Fixes for VsCode Vim extension

[vinokurig]

Several fixes and adaptations that allow to use VsCode Vim extension

What it does

• Do not throw an error if no active handler has been found during command execution.
• Add monaco trigger transit command.
• Register built-in VsCode command: default:type.

How to test

Apply VsCode Vim extension

Available commands:

Key	Action	Followed by
a	enter insertion mode after current character	text, ESC
b	back word
c	change command	cursor motion command
d	delete command	cursor motion command
e	end of word
f	find character after cursor in current line	character to find
h	move left one character
i	enter insertion mode before current character	text, ESC
j	move down one line
k	move up one line
l	move right one character
m	mark current line and position	mark character tag (a-z)
n	repeat last search
o	open line below and enter insertion mode	text, ESC
p	put buffer after cursor
r	replace single character at cursor	replacement character expected
s	substitute single character with new text	text, ESC
t	same as "f" but cursor moves to just before found character	character to find
u	undo
w	move foreward one word
x	delete single character
y	yank command	cursor motion command
z	position current line	CR = top; "." = center; "-"=bottom
A	enter insertion mode after end of line	text, ESC
B	move back one Word
C	change to end of line	text, ESC
D	delete to end of line
E	move to end of Word
F	backwards version of "f"	character to find
G	goto line number prefixed, or goto end if none
H	home cursor - goto first line on screen (requires vscode cursorMove built-in command)
I	enter insertion mode before first non-whitespace character	text, ESC
J	join current line with next line
L	goto last line on screen (requires vscode cursorMove built-in command)
M	goto middle line on screen (requires vscode cursorMove built-in command)
N	repeat last search, but in opposite direction of original search
O	open line above and enter insertion mode	text, ESC
P	put buffer before cursor
Q	leave visual mode (go into "ex" mode)
R	replace mode - replaces through end of current line, then inserts	text, ESC
S	substitute entire line - deletes line, enters insertion mode	text, ESC (requires vscode editor.action.reindentselectedlines built-in command)
T	backwards version of "t"	character to find
U	restores line to state when cursor was moved into it
W	foreward Word
X	delete backwards single character
Y	yank entire line
Z	first half of quick save-and-exit	"Z"
0	move to column zero
1-9	numeric precursor to other commands	[additional numbers (0-9)] command
	(SPACE) move right one character
$	move to end of line
%	match nearest [],(),{} on line, to its match (same line or others)
^	move to first non-whitespace character of line
&	repeat last ex substitution (":s ...") not including modifiers
(	move to previous sentence
)	move to next sentence
|	move to column zero
-	move to first non-whitespace of previous line
_	similar to "^" but uses numeric prefix oddly
+	move to first non-whitespace of next line
[	move to previous "{...}" section	"["
]	move to next "{...}" section	"]"
{	move to previous blank-line separated section	"{"
}	move to next blank-line separated section	"}"
;	repeat last "f", "F", "t", or "T" command
'	move to marked line, first non-whitespace	character tag (a-z)
`	move to marked line, memorized column	character tag (a-z)
:	ex-submode	ex command
"	access numbered buffer; load or access lettered buffer	1-9,a-z
~	reverse case of current character and move cursor forward
,	reverse direction of last "f", "F", "t", or "T" command
.	repeat last text-changing command
/	search forward	search string, ESC or CR
<	unindent command	cursor motion command
>	indent command	cursor motion command
?	search backward	search string, ESC or CR

Review checklist

• as an author, I have thoroughly tested my changes and carefully followed the review guidelines

Reminder for reviewers

• as a reviewer, I agree to behave in accordance with the review guidelines

[akosyakov]

vim extension works without errors for me, thank you! @vinokurig

It feels slower than usual typing. Probably because of client-server turnaround for each character or maybe it is the same in VS Code.