From f2e5821e22b5f813fae1b6d3087b3d75c82f438b Mon Sep 17 00:00:00 2001
From: rxi <rxi@users.noreply.github.com>
Date: Sat, 16 May 2020 19:53:17 +0100
Subject: Added ./plugins/centerdoc.lua

---
 plugins/centerdoc.lua | 19 +++++++++++++++++++
 1 file changed, 19 insertions(+)
 create mode 100644 plugins/centerdoc.lua

(limited to 'plugins')

diff --git a/plugins/centerdoc.lua b/plugins/centerdoc.lua
new file mode 100644
index 0000000..1921467
--- /dev/null
+++ b/plugins/centerdoc.lua
@@ -0,0 +1,19 @@
+local config = require "core.config"
+local DocView = require "core.docview"
+
+
+local draw_line_gutter = DocView.draw_line_gutter
+local get_gutter_width = DocView.get_gutter_width
+
+
+function DocView:draw_line_gutter(idx, x, y)
+  local offset = self:get_gutter_width() - get_gutter_width(self)
+  draw_line_gutter(self, idx, x + offset, y)
+end
+
+
+function DocView:get_gutter_width()
+  local real_gutter_width = get_gutter_width(self)
+  local width = real_gutter_width + self:get_font():get_width("n") * config.line_limit
+  return math.max((self.size.x - width) / 2, real_gutter_width)
+end
-- 
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