From bf2151475fd378a0143de07fe5c2111129b0d11e Mon Sep 17 00:00:00 2001
From: Xinhao Yuan <xinhaoyuan@gmail.com>
Date: Tue, 2 Mar 2021 18:56:11 -0500
Subject: [PATCH] Keep instance data when adjusting.

---
 editor.lua | 2 +-
 layout.lua | 8 +++++---
 2 files changed, 6 insertions(+), 4 deletions(-)

diff --git a/editor.lua b/editor.lua
index 0000f2e..d8ce099 100644
--- a/editor.lua
+++ b/editor.lua
@@ -543,7 +543,7 @@ function module.create(data)
             area = areas[area].parent_id
         end
 
-        layout.machi_set_cmd(machi_engine.areas_to_command(areas), tag)
+        layout.machi_set_cmd(machi_engine.areas_to_command(areas), tag, true)
         awful.layout.arrange(screen)
     end
 
diff --git a/layout.lua b/layout.lua
index 16f033f..c8c09a0 100644
--- a/layout.lua
+++ b/layout.lua
@@ -196,13 +196,15 @@ function module.create(args_or_name, editor, default_cmd)
         return instance.client_data, instance.tag_data, instance.areas_cache[key], instance, args.new_placement_cb
     end
 
-    local function set_cmd(cmd, tag)
+    local function set_cmd(cmd, tag, keep_instance_data)
         local instance = get_instance_(tag)
         if instance.cmd ~= cmd then
             instance.cmd = cmd
             instance.areas_cache = {}
-            instance.tag_data = {}
-            instance.client_data = setmetatable({}, {__mode="k"})
+            if not keep_instance_data then
+                instance.tag_data = {}
+                instance.client_data = setmetatable({}, {__mode="k"})
+            end
         end
     end