lite-xl/data/plugins/drawwhitespace.lua

37 lines
1.1 KiB
Lua

-- mod-version:2 -- lite-xl 2.0
local style = require "core.style"
local DocView = require "core.docview"
local common = require "core.common"
local draw_line_text = DocView.draw_line_text
function DocView:draw_line_text(idx, x, y)
local font = (self:get_font() or style.syntax_fonts["whitespace"] or style.syntax_fonts["comment"])
local color = style.syntax.whitespace or style.syntax.comment
local ty = y + self:get_line_text_y_offset()
local tx
local text, offset, s, e = self.doc.lines[idx], 1
local x1, _, x2, _ = self:get_content_bounds()
local _offset = self:get_x_offset_col(idx, x1)
offset = _offset
while true do
s, e = text:find(" +", offset)
if not s then break end
tx = self:get_col_x_offset(idx, s) + x
renderer.draw_text(font, string.rep("·", e - s + 1), tx, ty, color)
if tx > x + x2 then break end
offset = e + 1
end
offset = _offset
while true do
s, e = text:find("\t", offset)
if not s then break end
tx = self:get_col_x_offset(idx, s) + x
renderer.draw_text(font, "»", tx, ty, color)
if tx > x + x2 then break end
offset = e + 1
end
draw_line_text(self, idx, x, y)
end