From 87ff65629f9f02c338ae04dc988e2b5f2c480e2d Mon Sep 17 00:00:00 2001
From: mitchell <70453897+667e-11@users.noreply.github.com>
Date: Wed, 3 Oct 2012 14:27:29 -0400
Subject: Simplified auto-indent; modules/textadept/editing.lua

---
 modules/textadept/editing.lua | 24 +++++++-----------------
 1 file changed, 7 insertions(+), 17 deletions(-)

(limited to 'modules')

diff --git a/modules/textadept/editing.lua b/modules/textadept/editing.lua
index e0eb4693..23ac3980 100644
--- a/modules/textadept/editing.lua
+++ b/modules/textadept/editing.lua
@@ -127,23 +127,13 @@ end)
 events_connect(events.CHAR_ADDED, function(char)
   if not M.AUTOINDENT or char ~= 10 then return end
   local buffer = buffer
-  local anchor, caret = buffer.anchor, buffer.current_pos
-  local line = buffer:line_from_position(caret)
-  local pline = line - 1
-  while pline >= 0 and #buffer:get_line(pline) == 1 do pline = pline - 1 end
-  if pline >= 0 then
-    local indentation = buffer.line_indentation[pline]
-    local s = buffer.line_indent_position[line]
-    buffer.line_indentation[line] = indentation
-    local e = buffer.line_indent_position[line]
-    if e > s then -- move selection on
-      if anchor >= s then anchor = anchor + e - s end
-      if caret  >= s then caret  = caret  + e - s end
-    elseif e < s then -- move selection back
-      if anchor >= e then anchor = anchor >= s and anchor + e - s or e end
-      if caret  >= e then caret  = caret  >= s and caret  + e - s or e end
-    end
-    buffer:set_sel(anchor, caret)
+  local pos = buffer.current_pos
+  local line = buffer:line_from_position(pos)
+  local i = line - 1
+  while i >= 0 and buffer:get_line(i):find('^[\r\n]+$') do i = i - 1 end
+  if i >= 0 then
+    buffer.line_indentation[line] = buffer.line_indentation[i]
+    buffer:goto_pos(buffer.line_indent_position[line])
   end
 end)
 
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