#include <iostream>

#define _WIN32_WINNT 0x0601
#include <windows.h>

LRESULT CALLBACK WndProc(HWND hwnd, UINT msg, WPARAM wParam, LPARAM lParam) {
	switch (msg) {
		case WM_DESTROY: {
			PostQuitMessage(0);
			return 0;
		}

		case WM_MOUSEMOVE: {
            std::cout << "move\n";
            break;
		}
	}

	return DefWindowProcW(hwnd, msg, wParam, lParam);
}

int main() {
    WNDCLASSEXW wce{};

    wce.cbSize = sizeof wce;
    wce.style = CS_DBLCLKS;
    wce.lpfnWndProc = WndProc;
    wce.hInstance = GetModuleHandleW(nullptr);
    wce.hIcon = static_cast<HICON>(LoadImageW(nullptr, MAKEINTRESOURCEW(OIC_WINLOGO), IMAGE_ICON, 0, 0, LR_DEFAULTSIZE | LR_SHARED));
    wce.hCursor = static_cast<HCURSOR>(LoadImageW(nullptr, MAKEINTRESOURCEW(OCR_NORMAL), IMAGE_CURSOR, 0, 0, LR_DEFAULTSIZE | LR_SHARED));
    wce.hbrBackground = reinterpret_cast<HBRUSH>(COLOR_WINDOW + 1);
    wce.lpszClassName = L"Class";
    wce.hIconSm = static_cast<HICON>(LoadImageW(nullptr, MAKEINTRESOURCEW(OIC_WINLOGO), IMAGE_ICON, 0, 0, LR_DEFAULTSIZE | LR_SHARED));

    if (!RegisterClassExW(&wce)) {
        return 0;
    }

    HWND hwnd = CreateWindowExW(
        WS_EX_LAYERED, wce.lpszClassName, L"Text", WS_OVERLAPPEDWINDOW | WS_VISIBLE,
        CW_USEDEFAULT, CW_USEDEFAULT, CW_USEDEFAULT, CW_USEDEFAULT,
        nullptr, nullptr, nullptr, nullptr
    );

    if (!hwnd) {
        return 0;
    }

    SetLayeredWindowAttributes(hwnd, 0, 100, LWA_ALPHA);

    MSG msg;
    while (GetMessageW(&msg, nullptr, 0, 0)) {
        TranslateMessage(&msg);
        DispatchMessageW(&msg);
    }
}