a window

src/AppGLFW.hpp

@@ -0,0 +1,36 @@
+#pragma once
+
+#include <GLFW/glfw3.h>
+#include <cstdio>
+
+#include "imgui.h"
+#include "imgui_impl_glfw.h"
+#include "imgui_impl_opengl3.h"
+
+namespace ui
+{
+enum LogLevelSelection
+{
+    Debug = 0,
+    Info = 1,
+    Warning = 2,
+    Error = 3
+};
+
+class AppGLFW
+{
+   public:
+    AppGLFW();
+    int Run();
+
+   private:
+    LogLevelSelection log_level_ = static_cast<LogLevelSelection>(0);
+    GLFWwindow* window = nullptr;
+    ImGuiWindowFlags window_flags = 0;
+};
+
+static void glfw_error_callback(int error, const char* description)
+{
+    fprintf(stderr, "GLFW Error %d: %s\n", error, description);
+}
+}  // namespace ui