Add resizing of the window on desktop OS

examples/main.lua

@@ -63,4 +63,39 @@ function M.load_scene(self, id)
     end, nil, error)
 end
 
+local SYSTEM_NAME = sys.get_sys_info().system_name
+
+function M.resize_window()
+    if SYSTEM_NAME ~= "Windows" and SYSTEM_NAME ~= "Darwin" and SYSTEM_NAME ~= "Linux" then
+        return
+    end
+    assert(defos, "`defos` is required")
+
+    local displays = defos.get_displays()
+    local current_display_id = defos.get_current_display_id()
+    local screen_width = 1920 -- displays[current_display_id].bounds.width
+    local screen_height = 1080 -- displays[current_display_id].bounds.height
+
+    local project_width = tonumber(sys.get_config("display.width", 1920))
+    local project_height = tonumber(sys.get_config("display.height", 1080))
+
+    -- Resize the window. The code doesn't respect HiDPi screens.
+    local x, y, w, h = defos.get_view_size()
+    w = project_width
+    h = project_height
+    print("w x h -> ", w, h, screen_width, screen_height)
+    while screen_height * 0.95 <= h or screen_width * 0.95 <= w do
+        w = w * 0.75
+        h = h * 0.75
+        print("w x h -> ", w, h, screen_width, screen_height)
+    end
+    defos.set_view_size(x, y, w, h)
+
+    -- Center the window
+    local x, y, w, h = defos.get_window_size()
+    x = math.floor((screen_width - w) / 2)
+    y = math.floor((screen_height - h) / 2)
+    defos.set_window_size(x, y, w, h)
+end
+
 return M

examples/main.script

@@ -19,6 +19,9 @@ function init(self)
     main.setup_error_handling()
     window.set_listener(main.window_callback)
 
+    -- Resize game window on desktop platforms
+    main.resize_window()
+
     -- Set Pointer Lock's virtual cursor invisible by default
     pointer.cursor_visible = false