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fix(ui): ensure screen update before waiting for input #30576
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.
(cherry picked from commit 7eba016c86)
This commit is contained in:
fredizzimo
committed by
github-actions[bot]
github-actions[bot]
parent
aa2b69b178
commit
79030bf196
@ -66,9 +66,11 @@ getkey:
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// Event was made available after the last multiqueue_process_events call
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key = K_EVENT;
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} else {
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// Duplicate display updating logic in vgetorpeek()
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if (((State & MODE_INSERT) != 0 || p_lz) && (State & MODE_CMDLINE) == 0
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&& must_redraw != 0 && !need_wait_return) {
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// Ensure the screen is fully updated before blocking for input. Because of the duality of
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// redraw_later, this can't be done in command-line or when waiting for "Press ENTER".
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// In many of those cases the redraw is expected AFTER the key press, while normally it should
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// update the screen immediately.
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if (must_redraw != 0 && !need_wait_return && (State & MODE_CMDLINE) == 0) {
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update_screen();
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setcursor(); // put cursor back where it belongs
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}
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@ -2598,4 +2598,257 @@ describe('ext_multigrid', function()
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]])
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eq(1, api.nvim_get_option_value('cmdheight', {}))
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end)
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describe('centered cursorline', function()
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before_each(function()
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-- Force a centered cursorline, this caused some redrawing problems described in #30576.
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-- Most importantly, win_viewport was not received in time, and sum_scroll_delta did not refresh.
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command('set cursorline scrolloff=9999')
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end)
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it('insert line scrolls correctly', function()
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for i = 1, 11 do
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insert('line' .. i .. '\n')
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end
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screen:expect({
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grid = [[
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## grid 1
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[2:-----------------------------------------------------]|*12
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{11:[No Name] [+] }|
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[3:-----------------------------------------------------]|
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## grid 2
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line1 |
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line2 |
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line3 |
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line4 |
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line5 |
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line6 |
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line7 |
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line8 |
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line9 |
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line10 |
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line11 |
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{23:^ }|
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## grid 3
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]], win_viewport={
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[2] = {win = 1000, topline = 0, botline = 12, curline = 11, curcol = 0, linecount = 12, sum_scroll_delta = 0};
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}, win_viewport_margins={
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[2] = {
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bottom = 0,
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left = 0,
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right = 0,
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top = 0,
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win = 1000
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}
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}})
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insert('line12\n')
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screen:expect({
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grid = [[
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## grid 1
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[2:-----------------------------------------------------]|*12
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{11:[No Name] [+] }|
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[3:-----------------------------------------------------]|
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## grid 2
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line2 |
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line3 |
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line4 |
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line5 |
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line6 |
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line7 |
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line8 |
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line9 |
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line10 |
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line11 |
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line12 |
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{23:^ }|
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## grid 3
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]], win_viewport={
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[2] = {win = 1000, topline = 1, botline = 13, curline = 12, curcol = 0, linecount = 13, sum_scroll_delta = 1};
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}, win_viewport_margins={
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[2] = {
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bottom = 0,
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left = 0,
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right = 0,
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top = 0,
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win = 1000
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}
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}})
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end)
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it('got to top scrolls correctly', function()
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for i = 1, 20 do
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insert('line' .. i .. '\n')
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end
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screen:expect({
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grid = [[
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## grid 1
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[2:-----------------------------------------------------]|*12
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{11:[No Name] [+] }|
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[3:-----------------------------------------------------]|
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## grid 2
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line10 |
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line11 |
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line12 |
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line13 |
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line14 |
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line15 |
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line16 |
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line17 |
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line18 |
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line19 |
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line20 |
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{23:^ }|
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## grid 3
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]], win_viewport={
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[2] = {win = 1000, topline = 9, botline = 21, curline = 20, curcol = 0, linecount = 21, sum_scroll_delta = 9};
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}, win_viewport_margins={
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[2] = {
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bottom = 0,
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left = 0,
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right = 0,
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top = 0,
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win = 1000
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}
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}})
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feed('gg')
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screen:expect({
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grid = [[
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## grid 1
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[2:-----------------------------------------------------]|*12
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{11:[No Name] [+] }|
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[3:-----------------------------------------------------]|
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## grid 2
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{23:^line1 }|
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line2 |
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line3 |
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line4 |
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line5 |
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line6 |
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line7 |
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line8 |
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line9 |
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line10 |
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line11 |
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line12 |
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## grid 3
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]], win_viewport={
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[2] = {win = 1000, topline = 0, botline = 13, curline = 0, curcol = 0, linecount = 21, sum_scroll_delta = 0};
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}, win_viewport_margins={
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[2] = {
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bottom = 0,
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left = 0,
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right = 0,
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top = 0,
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win = 1000
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}
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}})
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end)
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it('scrolls in the middle', function()
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for i = 1, 20 do
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insert('line' .. i .. '\n')
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end
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screen:expect({
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grid = [[
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## grid 1
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[2:-----------------------------------------------------]|*12
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{11:[No Name] [+] }|
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[3:-----------------------------------------------------]|
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## grid 2
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line10 |
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line11 |
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line12 |
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line13 |
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line14 |
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line15 |
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line16 |
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line17 |
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line18 |
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line19 |
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line20 |
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{23:^ }|
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## grid 3
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]], win_viewport={
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[2] = {win = 1000, topline = 9, botline = 21, curline = 20, curcol = 0, linecount = 21, sum_scroll_delta = 9};
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}, win_viewport_margins={
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[2] = {
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bottom = 0,
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left = 0,
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right = 0,
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top = 0,
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win = 1000
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}
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}})
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feed('M')
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screen:expect({
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grid = [[
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## grid 1
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[2:-----------------------------------------------------]|*12
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{11:[No Name] [+] }|
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[3:-----------------------------------------------------]|
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## grid 2
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line10 |
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line11 |
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line12 |
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line13 |
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line14 |
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{23:^line15 }|
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line16 |
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line17 |
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line18 |
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line19 |
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line20 |
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## grid 3
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]], win_viewport={
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[2] = {win = 1000, topline = 9, botline = 21, curline = 14, curcol = 0, linecount = 21, sum_scroll_delta = 9};
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}, win_viewport_margins={
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[2] = {
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bottom = 0,
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left = 0,
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right = 0,
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top = 0,
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win = 1000
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}
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}})
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feed('k')
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screen:expect({
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grid = [[
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## grid 1
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[2:-----------------------------------------------------]|*12
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{11:[No Name] [+] }|
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[3:-----------------------------------------------------]|
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## grid 2
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line9 |
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line10 |
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line11 |
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line12 |
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line13 |
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{23:^line14 }|
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line15 |
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line16 |
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line17 |
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line18 |
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line19 |
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line20 |
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## grid 3
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]], win_viewport={
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[2] = {win = 1000, topline = 8, botline = 21, curline = 13, curcol = 0, linecount = 21, sum_scroll_delta = 8};
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}, win_viewport_margins={
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[2] = {
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bottom = 0,
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left = 0,
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right = 0,
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top = 0,
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win = 1000
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}
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}})
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end)
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end)
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end)
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