feat(terminal)!: include cursor position in TermRequest event data

When a plugin registers a TermRequest handler there is currently no way
for the handler to know where the terminal's cursor position was when
the sequence was received. This is often useful information, e.g. for
OSC 133 sequences which are used to annotate shell prompts.

Modify the event data for the TermRequest autocommand to be a table
instead of just a string. The "payload" field of the table contains the
sequence string and the "row" and "col" fields contain the cursor
position when the sequence was received.

To maintain consistency between TermRequest and TermResponse (and to
future proof the latter), TermResponse's event data is also updated to
be a table with a "payload" field.

BREAKING CHANGE: event data for TermRequest and TermResponse is now a
table
This commit is contained in:
Gregory Anders 2024-12-17 11:00:19 -06:00
parent 0dd933265f
commit 8fb19682d1
11 changed files with 74 additions and 28 deletions

View File

@ -1006,21 +1006,30 @@ TermClose When a |terminal| job ends.
*TermRequest*
TermRequest When a |:terminal| child process emits an OSC
or DCS sequence. Sets |v:termrequest|. The
|event-data| is the request string.
|event-data| is a table with the following
fields:
payload: the received sequence
row: cursor row
col: cursor column
*TermResponse*
TermResponse When Nvim receives an OSC or DCS response from
the host terminal. Sets |v:termresponse|. The
|event-data| is the response string. May be
triggered during another event (file I/O,
a shell command, or anything else that takes
time). Example: >lua
|event-data| is a table with the following fields:
payload: the received sequence
May be triggered during another event (file
I/O, a shell command, or anything else that
takes time). Example: >lua
-- Query the terminal palette for the RGB value of color 1
-- (red) using OSC 4
vim.api.nvim_create_autocmd('TermResponse', {
once = true,
callback = function(args)
local resp = args.data
local resp = args.data.payload
local r, g, b = resp:match("\027%]4;1;rgb:(%w+)/(%w+)/(%w+)")
end,
})

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@ -86,6 +86,10 @@ EVENTS
• |vim.ui_attach()| callbacks for |ui-messages| `msg_show` events are executed in
|api-fast| context.
• |TermRequest| and |TermResponse| |event-data| is now a table. The "payload"
field contains the received sequence. |TermRequest| also contains "row" and
"col" fields indicating the cursor's position when the sequence was
received.
HIGHLIGHTS
@ -292,6 +296,8 @@ TERMINAL
means that the |TermCursorNC| highlight group is no longer supported: an
unfocused terminal window will have no cursor at all (so there is nothing to
highlight).
• |TermRequest| has "row" and "col" fields in its |event-data| indicating the
cursor position when the sequence was received.
TREESITTER

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@ -144,8 +144,8 @@ directory indicated in the request. >lua
vim.api.nvim_create_autocmd({ 'TermRequest' }, {
desc = 'Handles OSC 7 dir change requests',
callback = function(ev)
if string.sub(vim.v.termrequest, 1, 4) == '\x1b]7;' then
local dir = string.gsub(vim.v.termrequest, '\x1b]7;file://[^/]*', '')
if string.sub(ev.data.payload, 1, 4) == '\x1b]7;' then
local dir = string.gsub(ev.data.payload, '\x1b]7;file://[^/]*', '')
if vim.fn.isdirectory(dir) == 0 then
vim.notify('invalid dir: '..dir)
return

View File

@ -205,7 +205,9 @@ local function try_query_terminal_color(color)
once = true,
callback = function(args)
hex = '#'
.. table.concat({ args.data:match('\027%]%d+;%d*;?rgb:(%w%w)%w%w/(%w%w)%w%w/(%w%w)%w%w') })
.. table.concat({
args.data.payload:match('\027%]%d+;%d*;?rgb:(%w%w)%w%w/(%w%w)%w%w/(%w%w)%w%w'),
})
end,
})
if type(color) == 'number' then

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@ -463,8 +463,8 @@ do
if channel == 0 then
return
end
local fg_request = args.data == '\027]10;?'
local bg_request = args.data == '\027]11;?'
local fg_request = args.data.payload == '\027]10;?'
local bg_request = args.data.payload == '\027]11;?'
if fg_request or bg_request then
-- WARN: This does not return the actual foreground/background color,
-- but rather returns:
@ -660,7 +660,7 @@ do
nested = true,
desc = "Update the value of 'background' automatically based on the terminal emulator's background color",
callback = function(args)
local resp = args.data ---@type string
local resp = args.data.payload ---@type string
local r, g, b = parseosc11(resp)
if r and g and b then
local rr = parsecolor(r)
@ -736,7 +736,7 @@ do
group = group,
nested = true,
callback = function(args)
local resp = args.data ---@type string
local resp = args.data.payload ---@type string
local decrqss = resp:match('^\027P1%$r([%d;:]+)m$')
if decrqss then

View File

@ -34,7 +34,7 @@ function M.query(caps, cb)
local id = vim.api.nvim_create_autocmd('TermResponse', {
nested = true,
callback = function(args)
local resp = args.data ---@type string
local resp = args.data.payload ---@type string
local k, rest = resp:match('^\027P1%+r(%x+)(.*)$')
if k and rest then
local cap = vim.text.hexdecode(k)

View File

@ -25,7 +25,7 @@ function M.paste(reg)
local contents = nil
local id = vim.api.nvim_create_autocmd('TermResponse', {
callback = function(args)
local resp = args.data ---@type string
local resp = args.data.payload ---@type string
local encoded = resp:match('\027%]52;%w?;([A-Za-z0-9+/=]*)')
if encoded then
contents = vim.base64.decode(encoded)

View File

@ -505,7 +505,11 @@ void nvim_ui_term_event(uint64_t channel_id, String event, Object value, Error *
const String termresponse = value.data.string;
set_vim_var_string(VV_TERMRESPONSE, termresponse.data, (ptrdiff_t)termresponse.size);
apply_autocmds_group(EVENT_TERMRESPONSE, NULL, NULL, false, AUGROUP_ALL, NULL, NULL, &value);
MAXSIZE_TEMP_DICT(data, 1);
PUT_C(data, "payload", value);
apply_autocmds_group(EVENT_TERMRESPONSE, NULL, NULL, false, AUGROUP_ALL, NULL, NULL,
&DICT_OBJ(data));
}
}

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@ -204,12 +204,20 @@ static void emit_termrequest(void **argv)
char *payload = argv[1];
size_t payload_length = (size_t)argv[2];
StringBuilder *pending_send = argv[3];
int row = (int)(intptr_t)argv[4];
int col = (int)(intptr_t)argv[5];
set_vim_var_string(VV_TERMREQUEST, payload, (ptrdiff_t)payload_length);
MAXSIZE_TEMP_DICT(data, 3);
String termrequest = { .data = payload, .size = payload_length };
PUT_C(data, "payload", STRING_OBJ(termrequest));
PUT_C(data, "row", INTEGER_OBJ(row));
PUT_C(data, "col", INTEGER_OBJ(col));
buf_T *buf = handle_get_buffer(term->buf_handle);
String termrequest = { .data = payload, .size = payload_length };
Object data = STRING_OBJ(termrequest);
set_vim_var_string(VV_TERMREQUEST, payload, (ptrdiff_t)payload_length);
apply_autocmds_group(EVENT_TERMREQUEST, NULL, NULL, false, AUGROUP_ALL, buf, NULL, &data);
apply_autocmds_group(EVENT_TERMREQUEST, NULL, NULL, false, AUGROUP_ALL, buf, NULL,
&DICT_OBJ(data));
xfree(payload);
StringBuilder *term_pending_send = term->pending.send;
@ -229,7 +237,8 @@ static void schedule_termrequest(Terminal *term, char *payload, size_t payload_l
term->pending.send = xmalloc(sizeof(StringBuilder));
kv_init(*term->pending.send);
multiqueue_put(main_loop.events, emit_termrequest, term, payload, (void *)payload_length,
term->pending.send);
term->pending.send, (void *)(intptr_t)term->cursor.row,
(void *)(intptr_t)term->cursor.col);
}
static int parse_osc8(VTermStringFragment frag, int *attr)

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@ -362,7 +362,7 @@ describe(':terminal buffer', function()
})
vim.api.nvim_create_autocmd('TermRequest', {
callback = function(args)
if args.data == '\027]11;?' then
if args.data.payload == '\027]11;?' then
table.insert(_G.input, '\027]11;rgb:0000/0000/0000\027\\')
end
end
@ -378,6 +378,22 @@ describe(':terminal buffer', function()
}, exec_lua('return _G.input'))
end)
it('TermRequest includes cursor position #31609', function()
command('autocmd! nvim_terminal TermRequest')
local term = exec_lua([[
_G.cursor = {}
local term = vim.api.nvim_open_term(0, {})
vim.api.nvim_create_autocmd('TermRequest', {
callback = function(args)
_G.cursor = { row = args.data.row, col = args.data.col }
end
})
return term
]])
api.nvim_chan_send(term, 'Hello\nworld!\027]133;D\027\\')
eq({ row = 1, col = 6 }, exec_lua('return _G.cursor'))
end)
it('no heap-buffer-overflow when using termopen(echo) #3161', function()
local testfilename = 'Xtestfile-functional-terminal-buffers_spec'
write_file(testfilename, 'aaaaaaaaaaaaaaaaaaaaaaaaaaaa')

View File

@ -92,7 +92,7 @@ describe('TUI', function()
_G.termresponse = nil
vim.api.nvim_create_autocmd('TermResponse', {
once = true,
callback = function(ev) _G.termresponse = ev.data end,
callback = function(ev) _G.termresponse = ev.data.payload end,
})
]])
feed_data('\027P0$r\027\\')
@ -2076,7 +2076,7 @@ describe('TUI', function()
vim.api.nvim_create_autocmd('TermRequest', {
buffer = buf,
callback = function(args)
local req = args.data
local req = args.data.payload
if not req then
return
end
@ -3070,7 +3070,7 @@ describe('TUI', function()
exec_lua([[
vim.api.nvim_create_autocmd('TermRequest', {
callback = function(args)
local req = args.data
local req = args.data.payload
local payload = req:match('^\027P%+q([%x;]+)$')
if payload then
local t = {}
@ -3124,7 +3124,7 @@ describe('TUI', function()
exec_lua([[
vim.api.nvim_create_autocmd('TermRequest', {
callback = function(args)
local req = args.data
local req = args.data.payload
vim.g.termrequest = req
local xtgettcap = req:match('^\027P%+q([%x;]+)$')
if xtgettcap then
@ -3179,7 +3179,7 @@ describe('TUI', function()
exec_lua([[
vim.api.nvim_create_autocmd('TermRequest', {
callback = function(args)
local req = args.data
local req = args.data.payload
local payload = req:match('^\027P%+q([%x;]+)$')
if payload and vim.text.hexdecode(payload) == 'Ms' then
vim.g.xtgettcap = 'Ms'
@ -3269,7 +3269,7 @@ describe('TUI bg color', function()
exec_lua([[
vim.api.nvim_create_autocmd('TermRequest', {
callback = function(args)
local req = args.data
local req = args.data.payload
if req == '\027]11;?' then
vim.g.oscrequest = true
return true