Zhao Yuhang
2023-12-17 efee8bcfb260d1ae25cce08bb8815ef86e1cc9df
src/core/contexts/win32windowcontext.cpp
@@ -1171,7 +1171,7 @@
                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 +1233,7 @@
                        // 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 +1559,7 @@
                // 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;