From 2ce03d4796ad54f332c70ff88f0a9f3a164bbc4a Mon Sep 17 00:00:00 2001
From: Simponic <loganhunt@simponic.xyz>
Date: Wed, 11 Jan 2023 09:54:05 -0700
Subject: Checkpoint\?

---
 lib/chessh/ssh/client/screen.ex | 31 +++++++++++++++++++++++++++++++
 1 file changed, 31 insertions(+)
 create mode 100644 lib/chessh/ssh/client/screen.ex

(limited to 'lib/chessh/ssh/client/screen.ex')

diff --git a/lib/chessh/ssh/client/screen.ex b/lib/chessh/ssh/client/screen.ex
new file mode 100644
index 0000000..2dd9f9c
--- /dev/null
+++ b/lib/chessh/ssh/client/screen.ex
@@ -0,0 +1,31 @@
+defmodule Chessh.SSH.Client.Screen do
+  @callback handle_info(
+              {:render, width :: integer(), height :: integer()},
+              state :: any()
+            ) ::
+              {:noreply, any()}
+  @callback handle_info({:input, width :: integer(), height :: integer(), action :: any()}) ::
+              {:noreply, any()}
+
+  #  @callback render(state :: Chessh.SSH.Client.State.t() | any()) :: any()
+  #  @callback handle_input(action :: any(), state :: Chessh.SSH.Client.State.t()) ::
+  #              Chessh.SSH.Client.State.t()
+
+  defmacro __using__(_) do
+    quote do
+      @behaviour Chessh.SSH.Client.Screen
+      use GenServer
+
+      @ascii_chars Application.compile_env!(:chessh, :ascii_chars_json_file)
+                   |> File.read!()
+                   |> Jason.decode!()
+
+      def center_rect({rect_width, rect_height}, {parent_width, parent_height}) do
+        {
+          div(parent_height - rect_height, 2),
+          div(parent_width - rect_width, 2)
+        }
+      end
+    end
+  end
+end
-- 
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