Added ability to save/restore persistent data during reset.

2 files changed, 14 insertions, 0 deletions

diff --git a/core/events.lua b/core/events.lua
index b5996baa..98a3475b 100644
--- a/core/events.lua
+++ b/core/events.lua
@@ -217,9 +217,17 @@ local M = {}
 -- @field RESET_AFTER (string)
 --   Emitted after resetting the Lua state.
 --   Emitted by [`reset()`]().
+--   Arguments:
+--
+--   * _`persist`_: Table of data persisted by `events.RESET_BEFORE`. All
+--     handlers will have access to this same table.
 -- @field RESET_BEFORE (string)
 --   Emitted before resetting the Lua state.
 --   Emitted by [`reset()`]().
+--   Arguments:
+--
+--   * _`persist`_: Table to store persistent data in for use by
+--     `events.RESET_AFTER`. All handlers will have access to this same table.
 -- @field RESUME (string)
 --   Emitted when resuming Textadept from a suspended state.
 --   This event is only emitted by the terminal version.
diff --git a/core/ui.lua b/core/ui.lua
index 87e88ffb..be5d637b 100644
--- a/core/ui.lua
+++ b/core/ui.lua
@@ -187,6 +187,12 @@ events.connect(events.BUFFER_AFTER_SWITCH, function()
   table.insert(buffers_zorder, 1, buffer)
 end)
 
+-- Saves and restores buffer zorder data during a reset.
+events.connect(events.RESET_BEFORE,
+               function(persist) persist.buffers_zorder = buffers_zorder end)
+events.connect(events.RESET_AFTER,
+               function(persist) buffers_zorder = persist.buffers_zorder end)
+
 ---
 -- Prompts the user to select a buffer to switch to.
 -- Buffers are listed in the order they were opened unless `zorder` is `true`,