Connections history for direct connect

KISSMultiplayer/lua/ge/extensions/kissmp/ui/tabs/direct_connect.lua

@@ -1,19 +1,90 @@
 local M = {}
 local imgui = ui_imgui
 
+local history_index = nil
+
+M.direct_history = {}
+
+local function trim(s)
+  return s:gsub("^%s*(.-)%s*$", "%1")
+end
+
+local function save_history()
+  jsonWriteFile("/settings/kissmp_directcon_history.json", M.direct_history, true)
+end
+
+local function load_history()
+  local json_history = jsonReadFile("/settings/kissmp_directcon_history.json")
+  if json_history then
+    M.direct_history = json_history
+  end
+end
+
+
+local function update_history_for_addr(addr)
+  for i = #M.direct_history, 1, -1 do
+    if M.direct_history[i].addr == addr then
+      table.remove(M.direct_history, i)
+    end
+  end
+
+  table.insert(M.direct_history, 1, {
+    addr = addr
+  })
+
+  while #M.direct_history > 5 do
+    table.remove(M.direct_history)
+  end
+
+  history_index = nil
+  save_history()
+end
+
 local function draw()
   imgui.Text("Server address:")
   imgui.InputText("##addr", kissmp_ui.addr)
   imgui.SameLine()
   if imgui.Button("Connect") then
-    local addr = ffi.string(kissmp_ui.addr)
+    local addr = trim(ffi.string(kissmp_ui.addr))
+    kissmp_ui.addr = imgui.ArrayChar(128, addr)
+    if addr:len() > 0 then
+      update_history_for_addr(addr)
+    end
     local player_name = ffi.string(kissmp_ui.player_name)
     kissmp_config.set_setting("ui.name", player_name)
     kissmp_config.set_setting("ui.addr", addr)
     kissmp_network.connect(addr, player_name, false)
   end
+
+  imgui.Spacing()
+
+  imgui.Text("Recent connections:")
+  imgui.BeginChild1("##history_list", imgui.ImVec2(0, -30), true)
+
+  if #M.direct_history == 0 then
+    imgui.TextColored(imgui.ImVec4(0.5, 0.5, 0.5, 1.0), "No recent connections")
+  else
+    for i = 1, #M.direct_history do
+      local entry = M.direct_history[i]
+      if imgui.Button("X##" .. i, imgui.ImVec2(20, 0)) then
+        table.remove(M.direct_history, i)
+        history_index = nil
+        save_history()
+        break
+      end
+      imgui.SameLine()
+      local label = entry.addr .. "###direct_connect_history_" .. i
+      if imgui.Selectable1(label, history_index == i) then
+        kissmp_ui.addr = imgui.ArrayChar(128, entry.addr)
+        history_index = i
+      end
+
+    end
+  end
+  imgui.EndChild()
 end
 
 M.draw = draw
 
+load_history()
 return M