Add correct hit-test information and menu icon

data/core/init.lua

@@ -400,9 +400,11 @@ function core.init()
     end
   end
 
+  core.window_borderless = false
+  core.hit_test_title_height = 0
   if config.borderless then
     system.set_window_bordered(false)
-    system.set_window_hit_test()
+    core.window_borderless = true
   end
 
   core.frame_start = 0

data/core/titleview.lua

@@ -16,11 +16,25 @@ function TitleView:on_mouse_pressed()
   core.set_active_view(core.last_active_view)
 end
 
+function TitleView:on_mouse_moved(px, py, ...)
+end
+
+
+function TitleView:update()
+  TitleView.super.update(self)
+  local title_height = self.size.y
+  if core.window_borderless and title_height ~= core.hit_test_title_height then
+    local resize_border = title_height / 2
+    system.set_window_hit_test(title_height, resize_border)
+    core.hit_test_title_height = title_height
+  end
+end
+
 
 function TitleView:get_items()
   local title = core.compose_window_title(core.window_title)
   return {
-    style.text, style.icon_font, "g ", style.font, title,
+    style.text, style.icon_font, "M ", style.font, title,
   }, {
     style.text, style.icon_font, "_", TitleView.separator, "w", TitleView.separator, "W",
   }