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state: throttle batched event processing when input is available

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before, calling vim.schedule() from inside an event would execute
the scheduled callback immediately after this event without
checking for user input in between. Break event processing
whenever user input or an interrupt is available.
This commit is contained in:
Björn Linse
2021-01-04 19:04:21 +01:00
parent c12ea02e0b
commit f901149de4
9 changed files with 81 additions and 17 deletions
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38
test/functional/ui/input_spec.lua
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@@ -1,16 +1,18 @@
local helpers = require('test.functional.helpers')(after_each)
local clear, feed_command, nvim = helpers.clear, helpers.feed_command, helpers.nvim
local clear, feed_command = helpers.clear, helpers.feed_command
local feed, next_msg, eq = helpers.feed, helpers.next_msg, helpers.eq
local command = helpers.command
local expect = helpers.expect
local meths = helpers.meths
local exec_lua = helpers.exec_lua
local write_file = helpers.write_file
local Screen = require('test.functional.ui.screen')
describe('mappings', function()
local cid
before_each(clear)
describe('mappings', function()
local add_mapping = function(mapping, send)
local cmd = "nnoremap "..mapping.." :call rpcnotify("..cid..", 'mapped', '"
local cmd = "nnoremap "..mapping.." :call rpcnotify(1, 'mapped', '"
..send:gsub('<', '<lt>').."')<cr>"
feed_command(cmd)
end
@@ -21,8 +23,6 @@ describe('mappings', function()
end
before_each(function()
clear()
cid = nvim('get_api_info')[1]
add_mapping('<C-L>', '<C-L>')
add_mapping('<C-S-L>', '<C-S-L>')
add_mapping('<s-up>', '<s-up>')
@@ -115,7 +115,6 @@ describe('mappings', function()
end)
describe('input utf sequences that contain CSI/K_SPECIAL', function()
before_each(clear)
it('ok', function()
feed('i…<esc>')
expect('…')
@@ -129,7 +128,6 @@ describe('input non-printable chars', function()
it("doesn't crash when echoing them back", function()
write_file("Xtest-overwrite", [[foobar]])
clear()
local screen = Screen.new(60,8)
screen:set_default_attr_ids({
[1] = {bold = true, foreground = Screen.colors.Blue1},
@@ -215,3 +213,27 @@ describe('input non-printable chars', function()
]])
end)
end)
describe("event processing and input", function()
it('not blocked by event bursts', function()
meths.set_keymap('', '<f2>', "<cmd>lua vim.rpcnotify(1, 'stop') winning = true <cr>", {noremap=true})
exec_lua [[
winning = false
burst = vim.schedule_wrap(function(tell)
if tell then
vim.rpcnotify(1, 'start')
end
-- Are we winning, son?
if not winning then
burst(false)
end
end)
burst(true)
]]
eq({'notification', 'start', {}}, next_msg())
feed '<f2>'
eq({'notification', 'stop', {}}, next_msg())
end)
end)