Fix window overflow

Sine Striker

2023-12-23 fee0c64a8f8d6237f94457b608cc09614514f9b5

 src/core/contexts/win32windowcontext.cpp

@@ -722,12 +722,15 @@
            DynamicApis::instance().pDwmExtendFrameIntoClientArea(hWnd, &margins);
        }

#if !QWINDOWKIT_CONFIG(ENABLE_WINDOWS_SYSTEM_BORDER)
        {
            auto style = ::GetWindowLongPtrW(hWnd, GWL_STYLE);
            ::SetWindowLongPtrW(hWnd, GWL_STYLE, (style | WS_THICKFRAME) & (~WS_CAPTION));
        }
#if QWINDOWKIT_CONFIG(ENABLE_WINDOWS_SYSTEM_BORDER)
            ::SetWindowLongPtrW(hWnd, GWL_STYLE, style & (~WS_SYSMENU));
#else
            ::SetWindowLongPtrW(hWnd, GWL_STYLE,
                                (style | WS_THICKFRAME | WS_CAPTION) & (~WS_SYSMENU));
#endif
        }

        // Add managed window
        addManagedWindow(m_windowHandle, hWnd, this);
@@ -937,18 +940,24 @@
            if (!isWin101809OrGreater()) {
                return false;
            }

            BOOL enable = attribute.toBool();

            if (isWin101903OrGreater()) {
                apis.pSetPreferredAppMode(enable ? PAM_AUTO : PAM_DEFAULT);
            } else {
                apis.pAllowDarkModeForApp(enable);
            }

            for (const auto attr : {
                    _DWMWA_USE_IMMERSIVE_DARK_MODE_BEFORE_20H1,
                    _DWMWA_USE_IMMERSIVE_DARK_MODE,
            }) {
                     _DWMWA_USE_IMMERSIVE_DARK_MODE_BEFORE_20H1,
                     _DWMWA_USE_IMMERSIVE_DARK_MODE,
                 }) {
                apis.pDwmSetWindowAttribute(hwnd, attr, &enable, sizeof(enable));
            }
            WINDOWCOMPOSITIONATTRIBDATA wcad{};
            wcad.Attrib = WCA_USEDARKMODECOLORS;
            wcad.pvData = &enable;
            wcad.cbData = sizeof(enable);
            apis.pSetWindowCompositionAttribute(hwnd, &wcad);

            apis.pFlushMenuThemes();

            return true;
        }
        return false;
@@ -1804,11 +1813,16 @@
            // a window when it's maximized unless you restore it).
            const quint32 frameSize = getResizeBorderThickness(hWnd);
            clientRect->top += frameSize;

#if QWINDOWKIT_CONFIG(ENABLE_WINDOWS_SYSTEM_BORDER)
            if (!isWin10OrGreater()) {
#endif
                clientRect->bottom -= frameSize;
                clientRect->left += frameSize;
                clientRect->right -= frameSize;
#if QWINDOWKIT_CONFIG(ENABLE_WINDOWS_SYSTEM_BORDER)
            }
#endif
        }
        // Attempt to detect if there's an autohide taskbar, and if
        // there is, reduce our size a bit on the side with the taskbar,