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lsp: allow the user to config LspDiagnosticError etc by standard means

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Björn Linse
2019-11-27 19:45:03 +01:00
parent 7fef0f8db4
commit 950690e48a
1 changed files with 15 additions and 56 deletions
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71
runtime/lua/vim/lsp/util.lua
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@@ -440,6 +440,11 @@ do
local diagnostic_ns = api.nvim_create_namespace("vim_lsp_diagnostics")
local underline_highlight_name = "LspDiagnosticsUnderline"
api.nvim_command(string.format("highlight default %s gui=underline cterm=underline", underline_highlight_name))
local severity_highlights = {}
local default_severity_highlight = {
[protocol.DiagnosticSeverity.Error] = { guifg = "Red" };
[protocol.DiagnosticSeverity.Warning] = { guifg = "Orange" };
@@ -447,60 +452,17 @@ do
[protocol.DiagnosticSeverity.Hint] = { guifg = "LightGrey" };
}
local underline_highlight_name = "LspDiagnosticsUnderline"
api.nvim_command(string.format("highlight %s gui=underline cterm=underline", underline_highlight_name))
local function find_color_rgb(color)
local rgb_hex = api.nvim_get_color_by_name(color)
validate { color = {color, function() return rgb_hex ~= -1 end, "valid color name"} }
return rgb_hex
end
--- Determine whether to use black or white text
-- Ref: https://stackoverflow.com/a/1855903/837964
-- https://stackoverflow.com/questions/596216/formula-to-determine-brightness-of-rgb-color
local function color_is_bright(r, g, b)
-- Counting the perceptive luminance - human eye favors green color
local luminance = (0.299*r + 0.587*g + 0.114*b)/255
if luminance > 0.5 then
return true -- Bright colors, black font
else
return false -- Dark colors, white font
end
end
local severity_highlights = {}
function M.set_severity_highlights(highlights)
validate {highlights = {highlights, 't'}}
for severity, default_color in pairs(default_severity_highlight) do
local severity_name = protocol.DiagnosticSeverity[severity]
local highlight_name = "LspDiagnostics"..severity_name
local hi_info = highlights[severity] or default_color
-- Try to fill in the foreground color with a sane default.
if not hi_info.guifg and hi_info.guibg then
-- TODO(ashkan) move this out when bitop is guaranteed to be included.
local bit = require 'bit'
local band, rshift = bit.band, bit.rshift
local rgb = find_color_rgb(hi_info.guibg)
local is_bright = color_is_bright(rshift(rgb, 16), band(rshift(rgb, 8), 0xFF), band(rgb, 0xFF))
hi_info.guifg = is_bright and "Black" or "White"
end
if not hi_info.ctermfg and hi_info.ctermbg then
-- TODO(ashkan) move this out when bitop is guaranteed to be included.
local bit = require 'bit'
local band, rshift = bit.band, bit.rshift
local rgb = find_color_rgb(hi_info.ctermbg)
local is_bright = color_is_bright(rshift(rgb, 16), band(rshift(rgb, 8), 0xFF), band(rgb, 0xFF))
hi_info.ctermfg = is_bright and "Black" or "White"
end
local cmd_parts = {"highlight", highlight_name}
for k, v in pairs(hi_info) do
table.insert(cmd_parts, k.."="..v)
end
api.nvim_command(table.concat(cmd_parts, ' '))
severity_highlights[severity] = highlight_name
-- Initialize default severity highlights
for severity, hi_info in pairs(default_severity_highlight) do
local severity_name = protocol.DiagnosticSeverity[severity]
local highlight_name = "LspDiagnostics"..severity_name
-- Try to fill in the foreground color with a sane default.
local cmd_parts = {"highlight", "default", highlight_name}
for k, v in pairs(hi_info) do
table.insert(cmd_parts, k.."="..v)
end
api.nvim_command(table.concat(cmd_parts, ' '))
severity_highlights[severity] = highlight_name
end
function M.buf_clear_diagnostics(bufnr)
@@ -509,9 +471,6 @@ do
api.nvim_buf_clear_namespace(bufnr, diagnostic_ns, 0, -1)
end
-- Initialize with the defaults.
M.set_severity_highlights(default_severity_highlight)
function M.get_severity_highlight_name(severity)
return severity_highlights[severity]
end