highlight: high-priority CursorLine if fg is set. #8578

closes #7383
closes #7715

This implements the compromise described in #7383:
* low-priority CursorLine if foreground is not set
* high-priority ("same as Vim" priority) CursorLine if foreground is set

ref d1874ab282
ref 56eda2aa17
This commit is contained in:
Yichao Zhou 2017-03-27 18:42:03 -07:00 committed by Justin M. Keyes
parent 166aaf178c
commit 12481781a0
4 changed files with 84 additions and 27 deletions

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@ -4841,15 +4841,13 @@ ColorColumn used for the columns set with 'colorcolumn'
Conceal placeholder characters substituted for concealed
text (see 'conceallevel')
*hl-Cursor*
Cursor the character under the cursor
Cursor character under the cursor
*hl-CursorIM*
CursorIM like Cursor, but used when in IME mode |CursorIM|
*hl-CursorColumn*
CursorColumn the screen column that the cursor is in when 'cursorcolumn' is
set
CursorColumn screen column at the cursor, when 'cursorcolumn' is set
*hl-CursorLine*
CursorLine the screen line that the cursor is in when 'cursorline' is
set
CursorLine screen line at the cursor, when 'cursorline' is set
*hl-Directory*
Directory directory names (and other special names in listings)
*hl-DiffAdd*

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@ -306,6 +306,7 @@ other arguments if used).
Highlight groups:
|hl-ColorColumn|, |hl-CursorColumn| are lower priority than most other
groups
|hl-CursorLine| is low-priority unless foreground color is set
Macro/|recording| behavior
Replay of a macro recorded during :lmap produces the same actions as when it

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@ -2173,6 +2173,7 @@ win_line (
colnr_T trailcol = MAXCOL; /* start of trailing spaces */
int need_showbreak = false; // overlong line, skip first x chars
int line_attr = 0; // attribute for the whole line
int line_attr_lowprio = 0; // low-priority attribute for the line
matchitem_T *cur; // points to the match list
match_T *shl; // points to search_hl or a match
int shl_flag; // flag to indicate whether search_hl
@ -2398,6 +2399,29 @@ win_line (
filler_lines = wp->w_topfill;
filler_todo = filler_lines;
// Cursor line highlighting for 'cursorline' in the current window. Not
// when Visual mode is active, because it's not clear what is selected
// then.
if (wp->w_p_cul && lnum == wp->w_cursor.lnum
&& !(wp == curwin && VIsual_active)) {
int cul_attr = win_hl_attr(wp, HLF_CUL);
HlAttrs *aep = syn_cterm_attr2entry(cul_attr);
// We make a compromise here (#7383):
// * low-priority CursorLine if fg is not set
// * high-priority ("same as Vim" priority) CursorLine if fg is set
if (aep->rgb_fg_color == -1 && aep->cterm_fg_color == 0) {
line_attr_lowprio = cul_attr;
} else {
if (line_attr != 0 && !(State & INSERT) && bt_quickfix(wp->w_buffer)
&& qf_current_entry(wp) == lnum) {
line_attr = hl_combine_attr(cul_attr, line_attr);
} else {
line_attr = cul_attr;
}
}
}
// If this line has a sign with line highlighting set line_attr.
v = buf_getsigntype(wp->w_buffer, lnum, SIGN_LINEHL);
if (v != 0) {
@ -2409,7 +2433,7 @@ win_line (
line_attr = win_hl_attr(wp, HLF_QFL);
}
if (line_attr != 0) {
if (line_attr_lowprio || line_attr) {
area_highlighting = true;
}
@ -2631,20 +2655,6 @@ win_line (
cur = cur->next;
}
// Cursor line highlighting for 'cursorline' in the current window. Not
// when Visual mode is active, because it's not clear what is selected
// then.
if (wp->w_p_cul && lnum == wp->w_cursor.lnum
&& !(wp == curwin && VIsual_active)) {
if (line_attr != 0 && !(State & INSERT) && bt_quickfix(wp->w_buffer)
&& qf_current_entry(wp) == lnum) {
line_attr = hl_combine_attr(win_hl_attr(wp, HLF_CUL), line_attr);
} else {
line_attr = win_hl_attr(wp, HLF_CUL);
}
area_highlighting = true;
}
off = (unsigned)(current_ScreenLine - ScreenLines);
int col = 0; // Visual column on screen.
if (wp->w_p_rl) {
@ -3567,8 +3577,10 @@ win_line (
// Display a '$' after the line or highlight an extra
// character if the line break is included.
// For a diff line the highlighting continues after the "$".
if (diff_hlf == (hlf_T)0 && line_attr == 0) {
// In virtualedit, visual selections may extend beyond end of line.
if (diff_hlf == (hlf_T)0
&& line_attr == 0
&& line_attr_lowprio == 0) {
// In virtualedit, visual selections may extend beyond end of line
if (area_highlighting && virtual_active()
&& tocol != MAXCOL && vcol < tocol) {
n_extra = 0;
@ -3631,7 +3643,7 @@ win_line (
(col < wp->w_width))) {
c = ' ';
ptr--; // put it back at the NUL
} else if ((diff_hlf != (hlf_T)0 || line_attr != 0)
} else if ((diff_hlf != (hlf_T)0 || line_attr_lowprio || line_attr)
&& (wp->w_p_rl
? (col >= 0)
: (col - boguscols < wp->w_width))) {
@ -3643,7 +3655,8 @@ win_line (
did_line_attr++;
// don't do search HL for the rest of the line
if (line_attr != 0 && char_attr == search_attr && col > 0) {
if ((line_attr_lowprio || line_attr)
&& char_attr == search_attr && col > 0) {
char_attr = line_attr;
}
if (diff_hlf == HLF_TXD) {
@ -4007,6 +4020,11 @@ win_line (
}
}
// Apply lowest-priority line attr now, so everything can override it.
if (draw_state == WL_LINE) {
char_attr = hl_combine_attr(line_attr_lowprio, char_attr);
}
/*
* Store character to be displayed.
* Skip characters that are left of the screen for 'nowrap'.

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@ -541,7 +541,7 @@ describe("'listchars' highlight", function()
]])
feed_command('set cursorline')
screen:expect([[
{2:^>-------.}{1:abcd}{2:.}{1:Lorem}{4:>}|
{2:^>-------.}{1:abcd}{2:.}{1:Lorem}{3:>}|
{5:>-------.}abcd{5:*}{4:¬} |
{4:¬} |
{4:~ }|
@ -549,7 +549,7 @@ describe("'listchars' highlight", function()
]])
feed('$')
screen:expect([[
{4:<}{1:r}{2:.}{1:sit}{2:.}{1:ame^t}{3:¬}{1: }|
{3:<}{1:r}{2:.}{1:sit}{2:.}{1:ame^t}{3:¬}{1: }|
{4:<} |
{4:<} |
{4:~ }|
@ -630,7 +630,7 @@ describe("'listchars' highlight", function()
feed('<esc>$')
screen:expect([[
{4:<} |
{4:<}{1:r}{2:.}{1:sit}{2:.}{1:ame^t}{3:¬}{1: }|
{3:<}{1:r}{2:.}{1:sit}{2:.}{1:ame^t}{3:¬}{1: }|
{4:<} |
{4:~ }|
|
@ -675,6 +675,46 @@ describe("'listchars' highlight", function()
end)
end)
describe('CursorLine highlight', function()
before_each(clear)
it('overridden by Error, ColorColumn if fg not set', function()
local screen = Screen.new(50,5)
screen:set_default_attr_ids({
[1] = {foreground = Screen.colors.SlateBlue},
[2] = {bold = true, foreground = Screen.colors.Brown},
[3] = {foreground = Screen.colors.Grey100, background = Screen.colors.Red},
[4] = {foreground = Screen.colors.SlateBlue, background = Screen.colors.Gray90},
[5] = {background = Screen.colors.Gray90},
[6] = {bold = true, foreground = Screen.colors.Blue1},
[7] = {background = Screen.colors.LightRed},
})
screen:attach()
feed_command('filetype on')
feed_command('syntax on')
feed_command('set cursorline ft=json')
feed('i{<cr>"a" : abc // 10;<cr>}<cr><esc>')
screen:expect([[
{1:{} |
"{2:a}" : {3:abc} {3:// 10;} |
{1:}} |
{5:^ }|
|
]])
feed_command('set colorcolumn=3')
feed('i <esc>')
screen:expect([[
{1:{} {7: } |
"{2:a}{7:"} : {3:abc} {3:// 10;} |
{1:}} {7: } |
{5: ^ }{7: }{5: }|
|
]])
end)
end)
describe("MsgSeparator highlight and msgsep fillchar", function()
before_each(clear)
it("works", function()