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fix(input): only disable mapped CTRL-C interrupts when getting input

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This commit is contained in:
zeertzjq
2022-04-30 08:18:37 +08:00
parent 7df25a1372
commit f3330023a5
7 changed files with 112 additions and 47 deletions
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4
src/nvim/ex_cmds.c
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@@ -4661,7 +4661,6 @@ void global_exe(char_u *cmd)
linenr_T old_lcount; // b_ml.ml_line_count before the command
buf_T *old_buf = curbuf; // remember what buffer we started in
linenr_T lnum; // line number according to old situation
int save_mapped_ctrl_c = mapped_ctrl_c;
// Set current position only once for a global command.
// If global_busy is set, setpcmark() will not do anything.
@@ -4670,8 +4669,6 @@ void global_exe(char_u *cmd)
// When the command writes a message, don't overwrite the command.
msg_didout = true;
// Disable CTRL-C mapping, let it interrupt (potentially long output).
mapped_ctrl_c = 0;
sub_nsubs = 0;
sub_nlines = 0;
@@ -4684,7 +4681,6 @@ void global_exe(char_u *cmd)
os_breakcheck();
}
mapped_ctrl_c = save_mapped_ctrl_c;
global_busy = 0;
if (global_need_beginline) {
beginline(BL_WHITE | BL_FIX);

5
src/nvim/getchar.c
View File

@@ -2317,6 +2317,10 @@ static int vgetorpeek(bool advance)
// try re-mapping.
for (;;) {
check_end_reg_executing(advance);
// os_breakcheck() can call input_enqueue()
if ((mapped_ctrl_c | curbuf->b_mapped_ctrl_c) & get_real_state()) {
ctrl_c_interrupts = false;
}
// os_breakcheck() is slow, don't use it too often when
// inside a mapping. But call it each time for typed
// characters.
@@ -2325,6 +2329,7 @@ static int vgetorpeek(bool advance)
} else {
os_breakcheck(); // check for CTRL-C
}
ctrl_c_interrupts = true;
int keylen = 0;
if (got_int) {
// flush all input

1
src/nvim/globals.h
View File

@@ -670,6 +670,7 @@ EXTERN bool ins_at_eol INIT(= false); // put cursor after eol when
EXTERN bool no_abbr INIT(= true); // true when no abbreviations loaded
EXTERN int mapped_ctrl_c INIT(= 0); // Modes where CTRL-C is mapped.
EXTERN bool ctrl_c_interrupts INIT(= true); // CTRL-C sets got_int
EXTERN cmdmod_T cmdmod; // Ex command modifiers

13
src/nvim/os/input.c
View File

@@ -106,6 +106,11 @@ int os_inchar(uint8_t *buf, int maxlen, int ms, int tb_change_cnt, MultiQueue *e
return (int)rbuffer_read(input_buffer, (char *)buf, (size_t)maxlen);
}
// No risk of a UI flood, so disable CTRL-C "interrupt" behavior if it's mapped.
if ((mapped_ctrl_c | curbuf->b_mapped_ctrl_c) & get_real_state()) {
ctrl_c_interrupts = false;
}
InbufPollResult result;
if (ms >= 0) {
if ((result = inbuf_poll(ms, events)) == kInputNone) {
@@ -127,6 +132,8 @@ int os_inchar(uint8_t *buf, int maxlen, int ms, int tb_change_cnt, MultiQueue *e
}
}
ctrl_c_interrupts = true;
// If input was put directly in typeahead buffer bail out here.
if (typebuf_changed(tb_change_cnt)) {
return 0;
@@ -275,7 +282,7 @@ size_t input_enqueue(String keys)
}
size_t rv = (size_t)(ptr - keys.data);
process_interrupts();
process_ctrl_c();
return rv;
}
@@ -480,9 +487,9 @@ static void input_read_cb(Stream *stream, RBuffer *buf, size_t c, void *data, bo
}
}
static void process_interrupts(void)
static void process_ctrl_c(void)
{
if ((mapped_ctrl_c | curbuf->b_mapped_ctrl_c) & get_real_state()) {
if (!ctrl_c_interrupts) {
return;
}

32
test/functional/ex_cmds/ctrl_c_spec.lua
View File

@@ -2,10 +2,15 @@ local helpers = require('test.functional.helpers')(after_each)
local Screen = require('test.functional.ui.screen')
local clear, feed, source = helpers.clear, helpers.feed, helpers.source
local command = helpers.command
local sleep = helpers.sleep
describe("CTRL-C (mapped)", function()
local screen
before_each(function()
clear()
screen = Screen.new(52, 6)
screen:attach()
end)
it("interrupts :global", function()
@@ -20,14 +25,6 @@ describe("CTRL-C (mapped)", function()
]])
command("silent edit! test/functional/fixtures/bigfile.txt")
local screen = Screen.new(52, 6)
screen:attach()
screen:set_default_attr_ids({
[0] = {foreground = Screen.colors.White,
background = Screen.colors.Red},
[1] = {bold = true,
foreground = Screen.colors.SeaGreen}
})
screen:expect([[
^0000;<control>;Cc;0;BN;;;;;N;NULL;;;; |
@@ -56,4 +53,23 @@ describe("CTRL-C (mapped)", function()
end
end
end)
it('interrupts :sleep', function()
command('nnoremap <C-C> <Nop>')
feed(':sleep 100<CR>')
-- wait for :sleep to start
sleep(10)
feed('foo<C-C>')
-- wait for input buffer to be flushed
sleep(10)
feed('i')
screen:expect([[
^ |
~ |
~ |
~ |
~ |
-- INSERT -- |
]])
end)
end)

57
test/functional/legacy/mapping_spec.lua
View File

@@ -2,7 +2,7 @@
local helpers = require('test.functional.helpers')(after_each)
local clear, feed, insert = helpers.clear, helpers.feed, helpers.insert
local feed_command, expect, poke_eventloop = helpers.feed_command, helpers.expect, helpers.poke_eventloop
local expect, poke_eventloop = helpers.expect, helpers.poke_eventloop
local command, eq, eval, meths = helpers.command, helpers.eq, helpers.eval, helpers.meths
local sleep = helpers.sleep
@@ -15,7 +15,7 @@ describe('mapping', function()
]])
-- Abbreviations with р (0x80) should work.
feed_command('inoreab чкпр vim')
command('inoreab чкпр vim')
feed('GAчкпр <esc>')
expect([[
@@ -25,17 +25,15 @@ describe('mapping', function()
it('Ctrl-c works in Insert mode', function()
-- Mapping of ctrl-c in insert mode
feed_command('set cpo-=< cpo-=k')
feed_command('inoremap <c-c> <ctrl-c>')
feed_command('cnoremap <c-c> dummy')
feed_command('cunmap <c-c>')
command('set cpo-=< cpo-=k')
command('inoremap <c-c> <ctrl-c>')
command('cnoremap <c-c> dummy')
command('cunmap <c-c>')
feed('GA<cr>')
feed('TEST2: CTRL-C |')
-- XXX: editor must be in Insert mode before <C-C> is put into input buffer
poke_eventloop()
feed('<c-c>A|<cr><esc>')
poke_eventloop()
feed_command('unmap <c-c>')
feed_command('unmap! <c-c>')
feed('TEST2: CTRL-C |<c-c>A|<cr><esc>')
command('unmap! <c-c>')
expect([[
@@ -44,13 +42,12 @@ describe('mapping', function()
end)
it('Ctrl-c works in Visual mode', function()
feed_command([[vnoremap <c-c> :<C-u>$put ='vmap works'<cr>]])
command([[vnoremap <c-c> :<C-u>$put ='vmap works'<cr>]])
feed('GV')
-- XXX: For some reason the mapping is only triggered
-- when <C-c> is in a separate feed command.
-- XXX: editor must be in Visual mode before <C-C> is put into input buffer
poke_eventloop()
feed('<c-c>')
feed_command('vunmap <c-c>')
feed('vV<c-c>')
command('vunmap <c-c>')
expect([[
@@ -59,23 +56,23 @@ describe('mapping', function()
it('langmap', function()
-- langmap should not get remapped in insert mode.
feed_command('inoremap { FAIL_ilangmap')
feed_command('set langmap=+{ langnoremap')
command('inoremap { FAIL_ilangmap')
command('set langmap=+{ langnoremap')
feed('o+<esc>')
-- Insert mode expr mapping with langmap.
feed_command('inoremap <expr> { "FAIL_iexplangmap"')
command('inoremap <expr> { "FAIL_iexplangmap"')
feed('o+<esc>')
-- langmap should not get remapped in cmdline mode.
feed_command('cnoremap { FAIL_clangmap')
command('cnoremap { FAIL_clangmap')
feed('o+<esc>')
feed_command('cunmap {')
command('cunmap {')
-- cmdline mode expr mapping with langmap.
feed_command('cnoremap <expr> { "FAIL_cexplangmap"')
command('cnoremap <expr> { "FAIL_cexplangmap"')
feed('o+<esc>')
feed_command('cunmap {')
command('cunmap {')
-- Assert buffer contents.
expect([[
@@ -93,10 +90,10 @@ describe('mapping', function()
]])
-- Vim's issue #212 (feedkeys insert mapping at current position)
feed_command('nnoremap . :call feedkeys(".", "in")<cr>')
command('nnoremap . :call feedkeys(".", "in")<cr>')
feed('/^a b<cr>')
feed('0qqdw.ifoo<esc>qj0@q<esc>')
feed_command('unmap .')
command('unmap .')
expect([[
fooc d
fooc d
@@ -105,15 +102,15 @@ describe('mapping', function()
it('i_CTRL-G_U', function()
-- <c-g>U<cursor> works only within a single line
feed_command('imapclear')
feed_command('imap ( ()<c-g>U<left>')
command('imapclear')
command('imap ( ()<c-g>U<left>')
feed('G2o<esc>ki<cr>Test1: text with a (here some more text<esc>k.')
-- test undo
feed('G2o<esc>ki<cr>Test2: text wit a (here some more text [und undo]<c-g>u<esc>k.u')
feed_command('imapclear')
feed_command('set whichwrap=<,>,[,]')
command('imapclear')
command('set whichwrap=<,>,[,]')
feed('G3o<esc>2k')
feed_command([[:exe ":norm! iTest3: text with a (parenthesis here\<C-G>U\<Right>new line here\<esc>\<up>\<up>."]])
command([[:exe ":norm! iTest3: text with a (parenthesis here\<C-G>U\<Right>new line here\<esc>\<up>\<up>."]])
expect([[

45
test/functional/vimscript/system_spec.lua
View File

@@ -268,7 +268,7 @@ describe('system()', function()
:call system("for /L %I in (1,0,2) do @echo y") |]]
or [[
:call system("yes") |]]))
feed('<c-c>')
feed('foo<c-c>')
screen:expect([[
^ |
~ |
@@ -286,6 +286,49 @@ describe('system()', function()
Type :qa and press <Enter> to exit Nvim |
]])
end)
it('`yes` interrupted with mapped CTRL-C', function()
command('nnoremap <C-C> i')
feed(':call system("' .. (iswin()
and 'for /L %I in (1,0,2) do @echo y'
or 'yes') .. '")<cr>')
screen:expect([[
|
~ |
~ |
~ |
~ |
~ |
~ |
~ |
~ |
~ |
~ |
~ |
~ |
]] .. (iswin()
and [[
:call system("for /L %I in (1,0,2) do @echo y") |]]
or [[
:call system("yes") |]]))
feed('foo<c-c>')
screen:expect([[
^ |
~ |
~ |
~ |
~ |
~ |
~ |
~ |
~ |
~ |
~ |
~ |
~ |
-- INSERT -- |
]])
end)
end)
describe('passing no input', function()