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| -rw-r--r-- | README.md | 1 | ||||
| -rw-r--r-- | plugins/drawwhitespace.lua | 29 |
2 files changed, 30 insertions, 0 deletions
@@ -12,6 +12,7 @@ Plugin | Description -------|----------------------------------------- [`autowrap`](plugins/autowrap.lua?raw=1) | Automatically hardwraps lines when typing [`bracketmatch`](plugins/bracketmatch.lua?raw=1) | [Underlines](https://user-images.githubusercontent.com/3920290/80132745-0c863f00-8594-11ea-8875-c455c6fd7eae.png) matching right-bracket of left-bracket under caret +[`drawwhitespace`](plugins/drawwhitespace.lua?raw=1) | [Draws](https://user-images.githubusercontent.com/3920290/80573013-22ae5800-89f7-11ea-9895-6362a1c0abc7.png) tabs and spaces [`eval`](plugins/eval.lua?raw=1) | Replaces selected Lua code with its evaluated result [`gofmt`](plugins/gofmt.lua?raw=1) | Auto-formats the current go file, adds the missing imports and the missing return cases [`indentguide`](plugins/indentguide.lua?raw=1) | Adds [indent guides](https://user-images.githubusercontent.com/3920290/79640716-f9860000-818a-11ea-9c3b-26d10dd0e0c0.png) diff --git a/plugins/drawwhitespace.lua b/plugins/drawwhitespace.lua new file mode 100644 index 0000000..b121833 --- /dev/null +++ b/plugins/drawwhitespace.lua @@ -0,0 +1,29 @@ +local config = require "core.config" +local style = require "core.style" +local DocView = require "core.docview" + +-- originally written by luveti + +config.whitespace_map = { [" "] = "·", ["\t"] = "»" } + +local draw_line_text = DocView.draw_line_text + +function DocView:draw_line_text(idx, x, y) + draw_line_text(self, idx, x, y) + + local cl = self:get_cached_line(idx) + local tx, ty = x, y + self:get_line_text_y_offset() + local font = self:get_font() + local color = style.whitespace or style.syntax.comment + local map = config.whitespace_map + + for i = 1, #cl.text do + local chr = cl.text:sub(i, i) + local rep = map[chr] + if rep then + renderer.draw_text(font, rep, tx, ty, color) + end + tx = tx + font:get_width(chr) + end +end + |