remove unused workarounds

Zhao Yuhang

2023-12-17 d522300857fd6d321e657381799804960f7f1678

 src/core/contexts/win32windowcontext.cpp

@@ -79,16 +79,6 @@
    // 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 const struct QWK_Hook {
        QWK_Hook() {
            qApp->setAttribute(Qt::AA_DontCreateNativeWidgetSiblings);
        }
    } g_hook{};

    struct DynamicApis {
        static const DynamicApis &instance() {
            static const DynamicApis inst{};
@@ -1171,7 +1161,7 @@
                const WindowPart currentWindowPart = lastHitTestResult;
                if (message == WM_NCMOUSEMOVE) {
                    if (currentWindowPart != WindowPart::ChromeButton) {
                        m_delegate->resetQtGrabbedControl();
                        m_delegate->resetQtGrabbedControl(m_host);
                        if (mouseLeaveBlocked) {
                            emulateClientAreaMessage(hWnd, message, wParam, lParam,
                                                     WM_NCMOUSELEAVE);
@@ -1233,7 +1223,7 @@
                        // window from client area, which means we will get previous window part as
                        // HTCLIENT if the mouse leaves window from client area and enters window
                        // from non-client area, but it has no bad effect.
                        m_delegate->resetQtGrabbedControl();
                        m_delegate->resetQtGrabbedControl(m_host);
                    }
                }
                break;
@@ -1559,8 +1549,7 @@
                // we don't repaint it. This exception disappears if we add SWP_NOCOPYBITS flag.
                // But I don't know what caused the problem, or why this would solve it.
                const auto windowPos = reinterpret_cast<LPWINDOWPOS>(lParam);
                if (windowPos->flags ==
                    (SWP_NOSIZE | SWP_NOMOVE | SWP_NOZORDER | SWP_NOACTIVATE | SWP_FRAMECHANGED)) {
                if ((windowPos->flags & SWP_FRAMECHANGED) && (windowPos->flags & SWP_NOSIZE)) {
                    windowPos->flags |= SWP_NOCOPYBITS;
                }
                break;