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fix(ui): ensure screen update before waiting for input #30576

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Ensure the screen is fully updated before blocking for input. This did
not always happen before, for example when setting `cursorline
scrolloff=9999`, which lead to jerky movement when using some GUI
applications.

Because of the duality of redraw_later, this can't be done in
command-line or when waiting for "Press ENTER". In many of those cases
the redraw is expected AFTER the key press, while normally it should
update the screen immediately. So, those special cases are excluded.
This commit is contained in:
fredizzimo
2024-10-03 12:31:17 +03:00
committed by GitHub
parent b973789115
commit 7eba016c86
2 changed files with 258 additions and 3 deletions
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253
test/functional/ui/multigrid_spec.lua
View File

@@ -2599,4 +2599,257 @@ describe('ext_multigrid', function()
]])
eq(1, api.nvim_get_option_value('cmdheight', {}))
end)
describe('centered cursorline', function()
before_each(function()
-- Force a centered cursorline, this caused some redrawing problems described in #30576.
-- Most importantly, win_viewport was not received in time, and sum_scroll_delta did not refresh.
command('set cursorline scrolloff=9999')
end)
it('insert line scrolls correctly', function()
for i = 1, 11 do
insert('line' .. i .. '\n')
end
screen:expect({
grid = [[
## grid 1
[2:-----------------------------------------------------]|*12
{11:[No Name] [+] }|
[3:-----------------------------------------------------]|
## grid 2
line1 |
line2 |
line3 |
line4 |
line5 |
line6 |
line7 |
line8 |
line9 |
line10 |
line11 |
{23:^ }|
## grid 3
|
]], win_viewport={
[2] = {win = 1000, topline = 0, botline = 12, curline = 11, curcol = 0, linecount = 12, sum_scroll_delta = 0};
}, win_viewport_margins={
[2] = {
bottom = 0,
left = 0,
right = 0,
top = 0,
win = 1000
}
}})
insert('line12\n')
screen:expect({
grid = [[
## grid 1
[2:-----------------------------------------------------]|*12
{11:[No Name] [+] }|
[3:-----------------------------------------------------]|
## grid 2
line2 |
line3 |
line4 |
line5 |
line6 |
line7 |
line8 |
line9 |
line10 |
line11 |
line12 |
{23:^ }|
## grid 3
|
]], win_viewport={
[2] = {win = 1000, topline = 1, botline = 13, curline = 12, curcol = 0, linecount = 13, sum_scroll_delta = 1};
}, win_viewport_margins={
[2] = {
bottom = 0,
left = 0,
right = 0,
top = 0,
win = 1000
}
}})
end)
it('got to top scrolls correctly', function()
for i = 1, 20 do
insert('line' .. i .. '\n')
end
screen:expect({
grid = [[
## grid 1
[2:-----------------------------------------------------]|*12
{11:[No Name] [+] }|
[3:-----------------------------------------------------]|
## grid 2
line10 |
line11 |
line12 |
line13 |
line14 |
line15 |
line16 |
line17 |
line18 |
line19 |
line20 |
{23:^ }|
## grid 3
|
]], win_viewport={
[2] = {win = 1000, topline = 9, botline = 21, curline = 20, curcol = 0, linecount = 21, sum_scroll_delta = 9};
}, win_viewport_margins={
[2] = {
bottom = 0,
left = 0,
right = 0,
top = 0,
win = 1000
}
}})
feed('gg')
screen:expect({
grid = [[
## grid 1
[2:-----------------------------------------------------]|*12
{11:[No Name] [+] }|
[3:-----------------------------------------------------]|
## grid 2
{23:^line1 }|
line2 |
line3 |
line4 |
line5 |
line6 |
line7 |
line8 |
line9 |
line10 |
line11 |
line12 |
## grid 3
|
]], win_viewport={
[2] = {win = 1000, topline = 0, botline = 13, curline = 0, curcol = 0, linecount = 21, sum_scroll_delta = 0};
}, win_viewport_margins={
[2] = {
bottom = 0,
left = 0,
right = 0,
top = 0,
win = 1000
}
}})
end)
it('scrolls in the middle', function()
for i = 1, 20 do
insert('line' .. i .. '\n')
end
screen:expect({
grid = [[
## grid 1
[2:-----------------------------------------------------]|*12
{11:[No Name] [+] }|
[3:-----------------------------------------------------]|
## grid 2
line10 |
line11 |
line12 |
line13 |
line14 |
line15 |
line16 |
line17 |
line18 |
line19 |
line20 |
{23:^ }|
## grid 3
|
]], win_viewport={
[2] = {win = 1000, topline = 9, botline = 21, curline = 20, curcol = 0, linecount = 21, sum_scroll_delta = 9};
}, win_viewport_margins={
[2] = {
bottom = 0,
left = 0,
right = 0,
top = 0,
win = 1000
}
}})
feed('M')
screen:expect({
grid = [[
## grid 1
[2:-----------------------------------------------------]|*12
{11:[No Name] [+] }|
[3:-----------------------------------------------------]|
## grid 2
line10 |
line11 |
line12 |
line13 |
line14 |
{23:^line15 }|
line16 |
line17 |
line18 |
line19 |
line20 |
|
## grid 3
|
]], win_viewport={
[2] = {win = 1000, topline = 9, botline = 21, curline = 14, curcol = 0, linecount = 21, sum_scroll_delta = 9};
}, win_viewport_margins={
[2] = {
bottom = 0,
left = 0,
right = 0,
top = 0,
win = 1000
}
}})
feed('k')
screen:expect({
grid = [[
## grid 1
[2:-----------------------------------------------------]|*12
{11:[No Name] [+] }|
[3:-----------------------------------------------------]|
## grid 2
line9 |
line10 |
line11 |
line12 |
line13 |
{23:^line14 }|
line15 |
line16 |
line17 |
line18 |
line19 |
line20 |
## grid 3
|
]], win_viewport={
[2] = {win = 1000, topline = 8, botline = 21, curline = 13, curcol = 0, linecount = 21, sum_scroll_delta = 8};
}, win_viewport_margins={
[2] = {
bottom = 0,
left = 0,
right = 0,
top = 0,
win = 1000
}
}})
end)
end)
end)