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perf: only redraw concealed line if cursor has moved horizontally

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Building upon #17889, this moves conceal redrawing logic into move.c, so
that concealed line is only redrawn if cursor has moved horizontally.
This commit is contained in:
zeertzjq
2022-03-28 06:45:15 +08:00
parent 9ce2c73180
commit 595c1a724a
4 changed files with 62 additions and 19 deletions
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53
test/functional/ui/syntax_conceal_spec.lua
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@@ -3,6 +3,7 @@ local Screen = require('test.functional.ui.screen')
local clear, feed, command = helpers.clear, helpers.feed, helpers.command
local eq = helpers.eq
local insert = helpers.insert
local poke_eventloop = helpers.poke_eventloop
describe('Screen', function()
local screen
@@ -911,7 +912,57 @@ describe('Screen', function()
{0:~ }|
|
]]}
eq(grid_lines, {{2, 0, {{'c', 0, 3}}}})
eq({{2, 0, {{'c', 0, 3}}}}, grid_lines)
end)
it('K_EVENT should not cause extra redraws with concealcursor #13196', function()
command('set conceallevel=1')
command('set concealcursor=nv')
command('set redrawdebug+=nodelta')
insert([[
aaa
bbb
ccc
]])
screen:expect{grid=[[
aaa |
bbb |
ccc |
^ |
{0:~ }|
{0:~ }|
{0:~ }|
{0:~ }|
{0:~ }|
|
]]}
-- XXX: hack to get notifications, and check only a single line is
-- updated. Could use next_msg() also.
local orig_handle_grid_line = screen._handle_grid_line
local grid_lines = {}
function screen._handle_grid_line(self, grid, row, col, items)
table.insert(grid_lines, {row, col, items})
orig_handle_grid_line(self, grid, row, col, items)
end
feed('k')
screen:expect{grid=[[
aaa |
bbb |
^ccc |
|
{0:~ }|
{0:~ }|
{0:~ }|
{0:~ }|
{0:~ }|
|
]]}
eq({{2, 0, {{'c', 0, 3}}}}, grid_lines)
poke_eventloop() -- causes K_EVENT key
screen:expect_unchanged()
eq({{2, 0, {{'c', 0, 3}}}}, grid_lines)
end)
-- Copy of Test_cursor_column_in_concealed_line_after_window_scroll in