add qt impl

Zhao Yuhang

2023-12-15 dddf96c011723a12b11acc2980c10eb370961021

 src/core/contexts/win32windowcontext.cpp

@@ -114,6 +114,7 @@
        DYNAMIC_API_DECLARE(DwmIsCompositionEnabled);
        DYNAMIC_API_DECLARE(DwmGetCompositionTimingInfo);
        DYNAMIC_API_DECLARE(DwmGetWindowAttribute);
        DYNAMIC_API_DECLARE(DwmSetWindowAttribute);
        DYNAMIC_API_DECLARE(GetDpiForWindow);
        DYNAMIC_API_DECLARE(GetSystemMetricsForDpi);
        DYNAMIC_API_DECLARE(GetDpiForMonitor);
@@ -140,6 +141,7 @@
            DYNAMIC_API_RESOLVE(dwmapi, DwmIsCompositionEnabled);
            DYNAMIC_API_RESOLVE(dwmapi, DwmGetCompositionTimingInfo);
            DYNAMIC_API_RESOLVE(dwmapi, DwmGetWindowAttribute);
            DYNAMIC_API_RESOLVE(dwmapi, DwmSetWindowAttribute);

            QSystemLibrary winmm(QStringLiteral("winmm"));
            DYNAMIC_API_RESOLVE(winmm, timeGetDevCaps);
@@ -800,7 +802,12 @@
            case ShowSystemMenuHook: {
                const auto &pos = *static_cast<const QPoint *>(data);
                auto hWnd = reinterpret_cast<HWND>(m_windowHandle->winId());
                showSystemMenu2(hWnd, qpoint2point(QHighDpi::toNativeGlobalPosition(pos, m_windowHandle)), false,
#if QT_VERSION >= QT_VERSION_CHECK(6, 0, 0)
                const QPoint nativeGlobalPos = QHighDpi::toNativeGlobalPosition(pos, m_windowHandle);
#else
                const QPoint nativeGlobalPos = QHighDpi::toNativePixels(pos, m_windowHandle);
#endif
                showSystemMenu2(hWnd, qpoint2point(nativeGlobalPos), false,
                                m_delegate->isHostSizeFixed(m_host));
                return;
            }
@@ -876,6 +883,13 @@
        auto winId = m_windowHandle->winId();
        auto hWnd = reinterpret_cast<HWND>(winId);

#if QT_VERSION < QT_VERSION_CHECK(6, 5, 0)
        for (const auto attr : { _DWMWA_USE_IMMERSIVE_DARK_MODE_BEFORE_20H1, _DWMWA_USE_IMMERSIVE_DARK_MODE }) {
            const BOOL enable = TRUE;
            DynamicApis::instance().pDwmSetWindowAttribute(hWnd, attr, &enable, sizeof(enable));
        }
#endif

        // Inform Qt we want and have set custom margins
        updateInternalWindowFrameMargins(hWnd, m_windowHandle);