[nostalgia/core] Add focusWindow, cleanup GLFW leak into Userland, change shutdown to stop main loop

src/nostalgia/core/glfw/core.cpp

@@ -11,6 +11,7 @@
 #include <nostalgia/core/config.hpp>
 #include <nostalgia/core/gfx.hpp>
 #include <nostalgia/core/input.hpp>
+#include <nostalgia/core/userland/gfx.hpp>
 
 #include "core.hpp"
 
@@ -19,11 +20,10 @@ namespace nostalgia::core {
 void draw(Context *ctx) noexcept;
 
 static void handleKeyPress(Context *ctx, int key) {
-	const auto id = ctx->windowerData<GlfwImplData>();
 	switch (key) {
 		case GLFW_KEY_ESCAPE:
 		case GLFW_KEY_Q:
-			glfwSetWindowShouldClose(id->window, true);
+			shutdown(ctx);
 			break;
 		default:
 			break;
@@ -66,6 +66,11 @@ ox::Error run(Context *ctx) noexcept {
 		draw(ctx);
 		glfwSwapBuffers(id->window);
 	}
+	// destroy GLFW window
+	oxReturnError(renderer::shutdown(ctx));
+	glfwDestroyWindow(id->window);
+	ctx->setWindowerData(nullptr);
+	delete id;
 	return OxError(0);
 }
 
@@ -85,4 +90,10 @@ bool buttonDown(Key) noexcept {
 	return false;
 }
 
+void shutdown(Context *ctx) noexcept {
+	const auto id = ctx->windowerData<GlfwImplData>();
+	glfwSetWindowShouldClose(id->window, true);
+}
+
+
 }