Fix neglectful code

Sine Striker

2023-12-07 988674c5cab26797b6ce77ac3df064e36070e7f3

 src/core/contexts/win32windowcontext.cpp

@@ -29,14 +29,20 @@

namespace QWK {

    static constexpr const auto kAutoHideTaskBarThickness =
        quint8{2}; // The thickness of an auto-hide taskbar in pixels.
    // The thickness of an auto-hide taskbar in pixels.
    static constexpr const auto kAutoHideTaskBarThickness = quint8{2};

    using WndProcHash = QHash<HWND, Win32WindowContext *>; // hWnd -> context
    // hWnd -> context
    using WndProcHash = QHash<HWND, Win32WindowContext *>;
    Q_GLOBAL_STATIC(WndProcHash, g_wndProcHash)

    static WNDPROC g_qtWindowProc = nullptr; // Original Qt window proc function
    // Original Qt window proc function
    static WNDPROC g_qtWindowProc = nullptr;

    // ### FIXME FIXME FIXME
    // ### FIXME: Tell the user to call in the documentation, instead of automatically
    // calling it directly.
    // ### FIXME FIXME FIXME
    static struct QWK_Hook {
        QWK_Hook() {
            qApp->setAttribute(Qt::AA_DontCreateNativeWidgetSiblings);
@@ -44,37 +50,56 @@
    } g_hook{};

    struct DynamicApis {
        decltype(&::DwmFlush) pDwmFlush = nullptr;
        decltype(&::DwmIsCompositionEnabled) pDwmIsCompositionEnabled = nullptr;
        decltype(&::DwmGetCompositionTimingInfo) pDwmGetCompositionTimingInfo = nullptr;
        decltype(&::GetDpiForWindow) pGetDpiForWindow = nullptr;
        decltype(&::GetSystemMetricsForDpi) pGetSystemMetricsForDpi = nullptr;
        decltype(&::GetDpiForMonitor) pGetDpiForMonitor = nullptr;
        decltype(&::timeGetDevCaps) ptimeGetDevCaps = nullptr;
        decltype(&::timeBeginPeriod) ptimeBeginPeriod = nullptr;
        decltype(&::timeEndPeriod) ptimeEndPeriod = nullptr;
//        template <typename T>
//        struct DefaultFunc;
//
//        template <typename Return, typename... Args>
//        struct DefaultFunc<Return(QT_WIN_CALLBACK *)(Args...)> {
//            static Return STDAPICALLTYPE func(Args...) {
//                return Return{};
//            }
//        };
//
// #define DWM_API_DECLARE(NAME) decltype(&::NAME) p##NAME = DefaultFunc<decltype(&::NAME)>::func
#define DWM_API_DECLARE(NAME) decltype(&::NAME) p##NAME = nullptr

        DWM_API_DECLARE(DwmFlush);
        DWM_API_DECLARE(DwmIsCompositionEnabled);
        DWM_API_DECLARE(DwmGetCompositionTimingInfo);
        DWM_API_DECLARE(GetDpiForWindow);
        DWM_API_DECLARE(GetSystemMetricsForDpi);
        DWM_API_DECLARE(GetDpiForMonitor);
        DWM_API_DECLARE(timeGetDevCaps);
        DWM_API_DECLARE(timeBeginPeriod);
        DWM_API_DECLARE(timeEndPeriod);

#undef DWM_API_DECLARE

        DynamicApis() {
            QSystemLibrary user32(QStringLiteral("user32.dll"));
            QSystemLibrary user32(QStringLiteral("user32"));
            pGetDpiForWindow =
                reinterpret_cast<decltype(pGetDpiForWindow)>(user32.resolve("GetDpiForWindow"));
            pGetSystemMetricsForDpi = reinterpret_cast<decltype(pGetSystemMetricsForDpi)>(
                user32.resolve("GetSystemMetricsForDpi"));

            QSystemLibrary shcore(QStringLiteral("shcore.dll"));
            QSystemLibrary shcore(QStringLiteral("shcore"));
            pGetDpiForMonitor =
                reinterpret_cast<decltype(pGetDpiForMonitor)>(shcore.resolve("GetDpiForMonitor"));

            QSystemLibrary dwmapi(QStringLiteral("dwmapi.dll"));
            QSystemLibrary dwmapi(QStringLiteral("dwmapi"));
            pDwmFlush = reinterpret_cast<decltype(pDwmFlush)>(dwmapi.resolve("DwmFlush"));
            pDwmIsCompositionEnabled = reinterpret_cast<decltype(pDwmIsCompositionEnabled)>(
                dwmapi.resolve("DwmIsCompositionEnabled"));
            pDwmGetCompositionTimingInfo = reinterpret_cast<decltype(pDwmGetCompositionTimingInfo)>(dwmapi.resolve("DwmGetCompositionTimingInfo"));
            pDwmGetCompositionTimingInfo = reinterpret_cast<decltype(pDwmGetCompositionTimingInfo)>(
                dwmapi.resolve("DwmGetCompositionTimingInfo"));

            QSystemLibrary winmm(QStringLiteral("winmm.dll"));
            ptimeGetDevCaps = reinterpret_cast<decltype(ptimeGetDevCaps)>(winmm.resolve("timeGetDevCaps"));
            ptimeBeginPeriod = reinterpret_cast<decltype(ptimeBeginPeriod)>(winmm.resolve("timeBeginPeriod"));
            ptimeEndPeriod = reinterpret_cast<decltype(ptimeEndPeriod)>(winmm.resolve("timeEndPeriod"));
            QSystemLibrary winmm(QStringLiteral("winmm"));
            ptimeGetDevCaps =
                reinterpret_cast<decltype(ptimeGetDevCaps)>(winmm.resolve("timeGetDevCaps"));
            ptimeBeginPeriod =
                reinterpret_cast<decltype(ptimeBeginPeriod)>(winmm.resolve("timeBeginPeriod"));
            ptimeEndPeriod =
                reinterpret_cast<decltype(ptimeEndPeriod)>(winmm.resolve("timeEndPeriod"));
        }

        ~DynamicApis() = default;
@@ -440,7 +465,7 @@

            // https://github.com/qt/qtbase/blob/e26a87f1ecc40bc8c6aa5b889fce67410a57a702/src/plugins/platforms/windows/qwindowscontext.cpp#L1546
            // Qt needs to refer to the WM_NCCALCSIZE message data that hasn't been processed, so we
            // have to process it after Qt acquired the initial data.
            // have to process it after Qt acquires the initial data.
            auto msg = static_cast<const MSG *>(message);
            if (msg->message == WM_NCCALCSIZE && lastMessageContext) {
                LRESULT res;
@@ -799,8 +824,8 @@
                    DWORD dwScreenPos = ::GetMessagePos();
                    POINT screenPoint{GET_X_LPARAM(dwScreenPos), GET_Y_LPARAM(dwScreenPos)};
                    ::ScreenToClient(hWnd, &screenPoint);
                    QPoint qtScenePos =
                        QHighDpi::fromNativeLocalPosition(QPoint{screenPoint.x, screenPoint.y}, m_windowHandle);
                    QPoint qtScenePos = QHighDpi::fromNativeLocalPosition(
                        QPoint{screenPoint.x, screenPoint.y}, m_windowHandle);
                    auto dummy = CoreWindowAgent::Unknown;
                    if (isInSystemButtons(qtScenePos, &dummy)) {
                        // We must record whether the last WM_MOUSELEAVE was filtered, because if
@@ -1284,6 +1309,7 @@
    bool Win32WindowContext::nonClientCalcSizeHandler(HWND hWnd, UINT message, WPARAM wParam,
                                                      LPARAM lParam, LRESULT *result) {
        Q_UNUSED(message)
        Q_UNUSED(this)

        // Windows是根据这个消息的返回值来设置窗口的客户区（窗口中真正显示的内容）
        // 和非客户区（标题栏、窗口边框、菜单栏和状态栏等Windows系统自行提供的部分