Add notification observer on Mac

SineStriker

2023-12-27 88b5b56b6a67d93208eae3980af2f30da09dd8ae

 src/core/contexts/win32windowcontext.cpp

@@ -46,13 +46,13 @@
    static WNDPROC g_qtWindowProc = nullptr;

    static inline bool
#if !QWINDOWKIT_CONFIG(ENABLE_WINDOWS_SYSTEM_BORDER)
#if !QWINDOWKIT_CONFIG(ENABLE_WINDOWS_SYSTEM_BORDERS)
        constexpr
#endif

        isSystemBorderEnabled() {
        return
#if QWINDOWKIT_CONFIG(ENABLE_WINDOWS_SYSTEM_BORDER)
#if QWINDOWKIT_CONFIG(ENABLE_WINDOWS_SYSTEM_BORDERS)
            isWin10OrGreater()
#else
            false
@@ -401,8 +401,8 @@
            return false;
        }

        static WindowsNativeEventFilter *instance;
        static Win32WindowContext *lastMessageContext;
        static inline WindowsNativeEventFilter *instance = nullptr;
        static inline Win32WindowContext *lastMessageContext = nullptr;

        static inline void install() {
            if (instance) {
@@ -419,9 +419,6 @@
            instance = nullptr;
        }
    };

    WindowsNativeEventFilter *WindowsNativeEventFilter::instance = nullptr;
    Win32WindowContext *WindowsNativeEventFilter::lastMessageContext = nullptr;

    // https://github.com/qt/qtbase/blob/e26a87f1ecc40bc8c6aa5b889fce67410a57a702/src/plugins/platforms/windows/qwindowscontext.cpp#L1025
    // We can see from the source code that Qt will filter out some messages first and then send the
@@ -606,7 +603,7 @@
            }

            case DrawWindows10BorderHook: {
#if QWINDOWKIT_CONFIG(ENABLE_WINDOWS_SYSTEM_BORDER)
#if QWINDOWKIT_CONFIG(ENABLE_WINDOWS_SYSTEM_BORDERS)
                if (!windowId)
                    return;

@@ -651,7 +648,7 @@
            }

            case DrawWindows10BorderHook2: {
#if QWINDOWKIT_CONFIG(ENABLE_WINDOWS_SYSTEM_BORDER)
#if QWINDOWKIT_CONFIG(ENABLE_WINDOWS_SYSTEM_BORDERS)
                if (!m_windowHandle)
                    return;

@@ -729,7 +726,7 @@

        {
            auto style = ::GetWindowLongPtrW(hWnd, GWL_STYLE);
#if QWINDOWKIT_CONFIG(ENABLE_WINDOWS_SYSTEM_BORDER)
#if QWINDOWKIT_CONFIG(ENABLE_WINDOWS_SYSTEM_BORDERS)
            ::SetWindowLongPtrW(hWnd, GWL_STYLE, style & (~WS_SYSMENU));
#else
            ::SetWindowLongPtrW(hWnd, GWL_STYLE,