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fix(highlight): blend_alpha controls line bg and prefix matches gutter (#178)

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Barrett Ruth 2026-03-08 14:35:55 -04:00 • committed by GitHub
parent e43e6be63d
commit 883b14253b
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5 changed files with 137 additions and 43 deletions
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54
lua/diffs/init.lua
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@ -522,28 +522,17 @@ local function compute_highlight_groups(is_default)
local normal_fg = normal.fg or (dark and 0xcccccc or 0x333333)
local alpha = config.highlights.blend_alpha or 0.6
local blended_add, blended_del, blended_add_text, blended_del_text
if transparent then
blended_add = add_bg
blended_del = del_bg
blended_add_text = blend_color(add_fg, bg, alpha)
blended_del_text = blend_color(del_fg, bg, alpha)
else
blended_add = blend_color(add_bg, bg, 0.4)
blended_del = blend_color(del_bg, bg, 0.4)
blended_add_text = blend_color(add_fg, bg, alpha)
blended_del_text = blend_color(del_fg, bg, alpha)
end
local text_alpha = math.min(alpha + 0.3, 1.0)
local blended_add = blend_color(add_bg, bg, alpha)
local blended_del = blend_color(del_bg, bg, alpha)
local blended_add_text = blend_color(add_bg, bg, text_alpha)
local blended_del_text = blend_color(del_bg, bg, text_alpha)
vim.api.nvim_set_hl(0, 'DiffsClear', { default = dflt, fg = normal_fg, bg = normal.bg })
vim.api.nvim_set_hl(0, 'DiffsClear', { default = dflt, fg = normal_fg, bg = bg })
vim.api.nvim_set_hl(0, 'DiffsAdd', { default = dflt, bg = blended_add })
vim.api.nvim_set_hl(0, 'DiffsDelete', { default = dflt, bg = blended_del })
vim.api.nvim_set_hl(0, 'DiffsAddNr', { default = dflt, fg = blended_add_text, bg = blended_add })
vim.api.nvim_set_hl(
0,
'DiffsDeleteNr',
{ default = dflt, fg = blended_del_text, bg = blended_del }
)
vim.api.nvim_set_hl(0, 'DiffsAddNr', { default = dflt, fg = add_fg, bg = blended_add })
vim.api.nvim_set_hl(0, 'DiffsDeleteNr', { default = dflt, fg = del_fg, bg = blended_del })
vim.api.nvim_set_hl(0, 'DiffsAddText', { default = dflt, bg = blended_add_text })
vim.api.nvim_set_hl(0, 'DiffsDeleteText', { default = dflt, bg = blended_del_text })
@ -577,23 +566,13 @@ local function compute_highlight_groups(is_default)
local text_bg = diff_text.bg or 0x4a4a5a
local change_fg = diff_change.fg or diff_text.fg or 0x80a0c0
local blended_ours, blended_theirs, blended_base
local blended_ours_nr, blended_theirs_nr, blended_base_nr
if transparent then
blended_ours = add_bg
blended_theirs = change_bg
blended_base = text_bg
blended_ours_nr = blend_color(add_fg, bg, alpha)
blended_theirs_nr = blend_color(change_fg, bg, alpha)
blended_base_nr = blend_color(change_fg, bg, 0.4)
else
blended_ours = blend_color(add_bg, bg, 0.4)
blended_theirs = blend_color(change_bg, bg, 0.4)
blended_base = blend_color(text_bg, bg, 0.3)
blended_ours_nr = blend_color(add_fg, bg, alpha)
blended_theirs_nr = blend_color(change_fg, bg, alpha)
blended_base_nr = blend_color(change_fg, bg, 0.4)
end
local base_alpha = math.max(alpha - 0.1, 0.0)
local blended_ours = blend_color(add_bg, bg, alpha)
local blended_theirs = blend_color(change_bg, bg, alpha)
local blended_base = blend_color(text_bg, bg, base_alpha)
local blended_ours_nr = add_fg
local blended_theirs_nr = change_fg
local blended_base_nr = change_fg
vim.api.nvim_set_hl(0, 'DiffsConflictOurs', { default = dflt, bg = blended_ours })
vim.api.nvim_set_hl(0, 'DiffsConflictTheirs', { default = dflt, bg = blended_theirs })
@ -1145,6 +1124,9 @@ M._test = {
set_hl_retry_pending = function(v)
hl_retry_pending = v
end,
get_config = function()
return config
end,
}
return M