context_window.cpp is back

src/context_window.cpp

@@ -0,0 +1,15 @@
+#include "context_window.hpp"
+
+namespace window {
+    ContextWindow::ContextWindow(const GLFWerrorfun error_clbk) noexcept {
+        glfwSetErrorCallback(error_clbk);
+        if (glfwInit() == GLFW_FALSE) {
+            init = false;
+        }
+        init = true;
+    }
+
+    ContextWindow::~ContextWindow() noexcept {
+        glfwTerminate();
+    }
+}