drawwhitespace: Invalidate cache on font size change

2022-06-25 03:30:33 +02:00
parent e784513222
commit 438ed6984a
1 changed files with 7 additions and 1 deletions
@@ -195,13 +195,19 @@ function DocView:draw_line_text(idx, x, y)
  end

  local font = (self:get_font() or style.syntax_fonts["whitespace"] or style.syntax_fonts["comment"])
+  local font_size = font:get_size()

  reset_cache_if_needed()
  if
    not ws_cache[self.doc.highlighter]
    or ws_cache[self.doc.highlighter].font ~= font
+    or ws_cache[self.doc.highlighter].font_size ~= font_size
  then
-    ws_cache[self.doc.highlighter] = {font = font}
+    ws_cache[self.doc.highlighter] =
+      setmetatable(
+        { font = font, font_size = font_size },
+        { __mode = "k" }
+      )
  end

  if not ws_cache[self.doc.highlighter][idx] then -- need to cache line