From 82dc76dd0007155999c13bbc919b1f09f2b1d5ed Mon Sep 17 00:00:00 2001
From: Francesco Abbate <francesco.bbt@gmail.com>
Date: Mon, 16 Nov 2020 23:52:39 +0100
Subject: [PATCH] Add recently visited files in the list when using find file
 command

---
 data/core/commands/core.lua | 23 ++++++++++++++++++-----
 data/core/init.lua          | 15 +++++++++++++++
 2 files changed, 33 insertions(+), 5 deletions(-)

diff --git a/data/core/commands/core.lua b/data/core/commands/core.lua
index dbe08a41..870a2117 100644
--- a/data/core/commands/core.lua
+++ b/data/core/commands/core.lua
@@ -55,17 +55,30 @@ command.add(nil, {
   end,
 
   ["core:find-file"] = function()
+    local files = {}
+    for _, item in pairs(core.project_files) do
+      if item.type == "file" then
+        table.insert(files, item.filename)
+      end
+    end
     core.command_view:enter("Open File From Project", function(text, item)
       text = item and item.text or text
       core.root_view:open_doc(core.open_doc(text))
     end, function(text)
-      local files = {}
-      for _, item in pairs(core.project_files) do
-        if item.type == "file" then
-          table.insert(files, item.filename)
+      if text == "" then
+        local recent_files = {}
+        for i = 2, #core.visited_files do
+            table.insert(recent_files, core.visited_files[i])
         end
+        table.insert(recent_files, core.visited_files[1])
+        local other_files = common.fuzzy_match(files, "")
+        for i = 1, #other_files do
+          table.insert(recent_files, other_files[i])
+        end
+        return recent_files
+      else
+        return common.fuzzy_match(files, text)
       end
-      return common.fuzzy_match(files, text)
     end)
   end,
 
diff --git a/data/core/init.lua b/data/core/init.lua
index 72b294b8..5d023055 100644
--- a/data/core/init.lua
+++ b/data/core/init.lua
@@ -114,6 +114,7 @@ function core.init()
   core.threads = setmetatable({}, { __mode = "k" })
   core.project_files = {}
   core.redraw = true
+  core.visited_files = {}
 
   core.root_view = RootView()
   core.command_view = CommandView()
@@ -225,9 +226,23 @@ function core.reload_module(name)
 end
 
 
+function core.set_visited(filename)
+  for i = 1, #core.visited_files do
+    if core.visited_files[i] == filename then
+      table.remove(core.visited_files, i)
+      break
+    end
+  end
+  table.insert(core.visited_files, 1, filename)
+end
+
+
 function core.set_active_view(view)
   assert(view, "Tried to set active view to nil")
   if view ~= core.active_view then
+    if view.doc and view.doc.filename then
+      core.set_visited(view.doc.filename)
+    end
     core.last_active_view = core.active_view
     core.active_view = view
   end