1 files changed, 55 insertions, 0 deletions
diff --git a/plugins/restoretabs.lua b/plugins/restoretabs.lua
new file mode 100644
index 0000000..6776e2c
--- /dev/null
+++ b/plugins/restoretabs.lua
@@ -0,0 +1,55 @@
+-- mod-version:1 -- lite-xl 1.16
+-- Not perfect, because we can't actually figure out when something closes, but should be good enough, so long as we check the list of open views.
+-- Maybe find a better way to get at "Node"?
+local core = require "core"
+local RootView = require "core.rootview"
+local command = require "core.command"
+local keymap = require "core.keymap"
+
+local update = RootView.update
+local initialized_tab_system = false
+
+local tab_history = { }
+local history_size = 10
+
+RootView.update = function(self)
+  update(self)
+  if not initialized_tab_system then
+    local Node = getmetatable(self.root_node)
+    local old_close = Node.close_view
+    
+    Node.close_view = function(self, root, view)
+      if view.doc and view.doc.abs_filename then
+        local closing_filename = view.doc.abs_filename
+        for i,filename in ipairs(tab_history) do
+          if filename == closing_filename then
+            table.remove(tab_history, i)
+            break
+          end
+        end
+        table.insert(tab_history, closing_filename)
+        if #tab_history > history_size then
+          table.remove(tab_history, 1)
+        end
+      end
+      old_close(self, root, view)
+    end
+
+    initialized_tab_system = true
+  end
+end
+
+
+command.add("core.docview", {
+  ["restore-tabs:restore-tab"] = function()
+    if #tab_history > 0 then
+      local file = tab_history[#tab_history]
+      core.root_view:open_doc(core.open_doc(file))
+      table.remove(tab_history)
+    end
+  end
+})
+
+keymap.add {
+  ["ctrl+shift+t"] = "restore-tabs:restore-tab"
+}