From 3e14f5461f24b81cd578f1838283fe3e239be023 Mon Sep 17 00:00:00 2001
From: Dennis Eichhorn <spl1nes.com@googlemail.com>
Date: Wed, 3 Apr 2024 00:15:22 +0200
Subject: [PATCH] update

---
 UI/window.h | 71 +++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 71 insertions(+)
 create mode 100644 UI/window.h

diff --git a/UI/window.h b/UI/window.h
new file mode 100644
index 0000000..dd4fda6
--- /dev/null
+++ b/UI/window.h
@@ -0,0 +1,71 @@
+#ifndef UI_WINDOW_H
+#define UI_WINDOW_H
+
+#ifdef _WIN32
+    #include <windows.h>
+    #include <windowsx.h>
+
+    LRESULT CALLBACK WindowProc(HWND hWnd, UINT message, WPARAM wParam, LPARAM lParam);
+#endif
+
+namespace UI
+{
+    typedef struct {
+        unsigned int width = 0;
+        unsigned int height = 0;
+
+        #ifdef _WIN32
+            HWND hwnd;
+        #endif
+    } window;
+
+    void window_open(window* w)
+    {
+        #ifdef _WIN32
+            ShowWindow(w->hwnd, SW_SHOW);
+        #endif
+    }
+
+    #ifdef _WIN32
+    void window_create_directx(window* w)
+    {
+        HINSTANCE hinstance = GetModuleHandle(nullptr);
+
+        WNDCLASSEX wc;
+        ZeroMemory(&wc, sizeof(WNDCLASSEX));
+
+        wc.cbSize = sizeof(WNDCLASSEX);
+        wc.style = CS_HREDRAW | CS_VREDRAW;
+        wc.lpfnWndProc = WindowProc;
+        wc.hInstance = hinstance;
+        wc.hCursor = LoadCursor(NULL, IDC_ARROW);
+        wc.hbrBackground = (HBRUSH)COLOR_WINDOW;
+        wc.lpszClassName = "WindowClass1";
+
+        RegisterClassEx(&wc);
+
+        RECT wr = {0, 0, 800, 600};
+        AdjustWindowRect(&wr, WS_OVERLAPPEDWINDOW, FALSE);
+
+        w->hwnd = CreateWindowEx((DWORD) NULL,
+            wc.lpszClassName, NULL,
+            WS_OVERLAPPEDWINDOW,
+            CW_USEDEFAULT, CW_USEDEFAULT,
+            wr.right - wr.left,
+            wr.bottom - wr.top,
+            NULL, NULL, hinstance, w
+        );
+    }
+    #endif
+
+    window* window_create(window* w)
+    {
+        #ifdef _WIN32
+            window_create_directx(w);
+        #endif
+
+        return w;
+    }
+}
+
+#endif
\ No newline at end of file