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fix(column): correct width after truncated 'statuscolumn' error (#26737)

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Problem:  Default number column has incorrect width after 'statuscolumn'
          is unset due to an error, but was also truncated.
Solution: Reverse 'statuscolumn' error and truncate return branches.
This commit is contained in:
luukvbaal 2023-12-26 02:07:58 +01:00 committed by GitHub
parent bbd5c6363c
commit ec74538044
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GPG Key ID: 4AEE18F83AFDEB23
2 changed files with 21 additions and 5 deletions
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8
src/nvim/drawline.c
View File

@ -640,12 +640,12 @@ static void draw_statuscol(win_T *wp, winlinevars_T *wlv, linenr_T lnum, int vir
int width = build_statuscol_str(wp, lnum, relnum, buf, stcp);
// Force a redraw in case of error or when truncated
if (*wp->w_p_stc == NUL || (stcp->truncate > 0 && wp->w_nrwidth < MAX_NUMBERWIDTH)) {
if (stcp->truncate > 0) { // Avoid truncating 'statuscolumn'
wp->w_nrwidth = MIN(MAX_NUMBERWIDTH, wp->w_nrwidth + stcp->truncate);
wp->w_nrwidth_width = wp->w_nrwidth;
} else { // 'statuscolumn' reset due to error
if (*wp->w_p_stc == NUL) { // 'statuscolumn' reset due to error
wp->w_nrwidth_line_count = 0;
wp->w_nrwidth = (wp->w_p_nu || wp->w_p_rnu) * number_width(wp);
} else { // Avoid truncating 'statuscolumn'
wp->w_nrwidth_width = wp->w_nrwidth;
wp->w_nrwidth = MIN(MAX_NUMBERWIDTH, wp->w_nrwidth + stcp->truncate);
}
wp->w_redr_statuscol = true;
return;

18
test/functional/ui/statuscolumn_spec.lua
View File

@ -23,7 +23,7 @@ describe('statuscolumn', function()
end)
it("fails with invalid 'statuscolumn'", function()
command([[set stc=%{v:relnum?v:relnum:(v:lnum==5?invalid:v:lnum)}\ ]])
command([[set stc=%{v:relnum?v:relnum:(v:lnum==5?'truncate':v:lnum)}%{!v:relnum&&v:lnum==5?invalid:''}\ ]])
screen:expect([[
4 aaaaa |
3 aaaaa |
@ -43,6 +43,22 @@ describe('statuscolumn', function()
command('norm 5G')
eq('Vim(redraw):E121: Undefined variable: invalid', pcall_err(command, 'redraw!'))
eq('', eval('&statuscolumn'))
screen:expect([[
4 aaaaa |
5 ^aaaaa |
6 aaaaa |
7 aaaaa |
8 aaaaa |
9 aaaaa |
10 aaaaa |
11 aaaaa |
12 aaaaa |
13 aaaaa |
14 aaaaa |
15 aaaaa |
16 aaaaa |
|
]])
end)
it("widens with irregular 'statuscolumn' width", function()