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fix(drawline): don't draw beyond end of window (#29035)

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zeertzjq 2024-05-27 14:37:22 +08:00 committed by GitHub
parent ffbd09ef6a
commit 9a0239fdc8
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2 changed files with 44 additions and 8 deletions
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15
src/nvim/drawline.c
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@ -1596,6 +1596,10 @@ int win_line(win_T *wp, linenr_T lnum, int startrow, int endrow, int col_rows, s
// hide virt_text on text hidden by 'nowrap' or 'smoothscroll'
decor_redraw_col(wp, (colnr_T)(ptr - line) - 1, wlv.off, true, &decor_state);
}
if (wlv.col >= grid->cols) {
wlv.col = wlv.off = grid->cols;
goto end_check;
}
}
if (cul_screenline && wlv.filler_todo <= 0
@ -2650,13 +2654,6 @@ int win_line(win_T *wp, linenr_T lnum, int startrow, int endrow, int col_rows, s
conceal_cursor_used = conceal_cursor_line(curwin);
}
// When the window is too narrow draw all "@" lines.
if (leftcols_width >= wp->w_grid.cols && is_wrapped) {
win_draw_end(wp, schar_from_ascii('@'), true, wlv.row, wp->w_grid.rows, HLF_AT);
set_empty_rows(wp, wlv.row);
wlv.row = endrow;
}
break;
}
@ -2844,10 +2841,12 @@ int win_line(win_T *wp, linenr_T lnum, int startrow, int endrow, int col_rows, s
}
}
end_check:
// At end of screen line and there is more to come: Display the line
// so far. If there is no more to display it is caught above.
if (wlv.col >= grid->cols && (!has_foldtext || virt_line_offset >= 0)
&& (*ptr != NUL
&& (wlv.col <= leftcols_width
|| *ptr != NUL
|| wlv.filler_todo > 0
|| (wp->w_p_list && wp->w_p_lcs_chars.eol != NUL && lcs_eol_todo)
|| (wlv.n_extra != 0 && (wlv.sc_extra != NUL || *wlv.p_extra != NUL))

37
test/functional/ui/screen_basic_spec.lua
View File

@ -4,6 +4,7 @@ local Screen = require('test.functional.ui.screen')
local spawn, set_session, clear = n.spawn, n.set_session, n.clear
local feed, command = n.feed, n.command
local exec = n.exec
local insert = n.insert
local eq = t.eq
local fn, api = n.fn, n.api
@ -819,3 +820,39 @@ it("showcmd doesn't cause empty grid_line with redrawdebug=compositor #22593", f
]],
}
end)
it("scrolling in narrow window doesn't draw over separator #29033", function()
clear()
local screen = Screen.new(60, 8)
screen:attach()
feed('100Oa<Esc>gg')
exec([[
set number nowrap
vsplit
set scrollbind
wincmd l
set scrollbind
wincmd |
]])
screen:expect([[
{8: }│{8: 1 }^a |
{8: }│{8: 2 }a |
{8: }│{8: 3 }a |
{8: }│{8: 4 }a |
{8: }│{8: 5 }a |
{8: }│{8: 6 }a |
{2:< }{3:[No Name] [+] }|
|
]])
feed('<C-F>')
screen:expect([[
{8: }│{8: 5 }^a |
{8: }│{8: 6 }a |
{8: }│{8: 7 }a |
{8: }│{8: 8 }a |
{8: }│{8: 9 }a |
{8: }│{8: 10 }a |
{2:< }{3:[No Name] [+] }|
|
]])
end)