Prepare to add mica

Sine Striker

2023-12-21 c229915e9d4b2818155f3650869726fdcbe7e21d

 src/core/contexts/win32windowcontext.cpp

@@ -914,13 +914,38 @@
                const auto &oldVar = *static_cast<const QVariant *>(args[2]);

                if (key == QStringLiteral("no-frame-shadow")) {
                    if (!windowId)
                        return;
                    if (newVar.toBool()) {
                        // TODO: set off
                    } else {
                        // TODO: set on
                    }
                }
                } else if (key == QStringLiteral("mica-material")) {
                    if (!windowId || !isWin11OrGreater())
                        return;
                    const auto hwnd = reinterpret_cast<HWND>(windowId);
                    if (newVar.toBool()) {
                        /*

                        // We need to extend the window frame into the whole client area to be able
                        // to see the blurred window background.
                        static constexpr const MARGINS margins = {-1, -1, -1, -1};
                        ::DwmExtendFrameIntoClientArea(hwnd, &margins);

                        // Use official DWM API to enable Mica/Mica Alt, available since Windows 11
                        // (10.0.22000).
                        const DWM_SYSTEMBACKDROP_TYPE blurType =
                            DWMSBT_MAINWINDOW; // This one is Mica, if you want to enable Mica Alt,
                                               // use DWMSBT_TABBEDWINDOW instead.
                        DynamicApis::instance().pDwmSetWindowAttribute(
                            hwnd, DWMWA_SYSTEMBACKDROP_TYPE, &blurType, sizeof(blurType));

                        */
                    } else {
                        // TODO: set off
                    }
                }
                return;
            }