1 files changed, 32 insertions, 0 deletions
diff --git a/data/plugins/drawwhitespace.lua b/data/plugins/drawwhitespace.lua
new file mode 100644
index 00000000..da9d1b12
--- /dev/null
+++ b/data/plugins/drawwhitespace.lua
@@ -0,0 +1,32 @@
+-- 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["comment"])
+  local color = style.syntax.comment
+  local ty, tx = y + self:get_line_text_y_offset()
+  local text, offset, s, e = self.doc.lines[idx], 1
+  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)
+    offset = e + 1
+  end
+  offset = 1
+  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)
+    offset = e + 1
+  end
+  draw_line_text(self, idx, x, y)
+end
+
+