fix window reopen issue (#179)

Yuhang Zhao

2025-05-09 e9999fa61ea0ffa602c69e10e54996b3a636a5e6

 src/quick/quickwindowagent_mac.cpp

@@ -1,3 +1,7 @@
// Copyright (C) 2023-2024 Stdware Collections (https://www.github.com/stdware)
// Copyright (C) 2021-2023 wangwenx190 (Yuhang Zhao)
// SPDX-License-Identifier: Apache-2.0

#include "quickwindowagent_p.h"

namespace QWK {
@@ -27,11 +31,14 @@
                &SystemButtonAreaItemHandler::updateSystemButtonArea);
        connect(item, &QQuickItem::heightChanged, this,
                &SystemButtonAreaItemHandler::updateSystemButtonArea);
        updateSystemButtonArea();

        ctx->setSystemButtonAreaCallback([item](const QSize &) {
            return QRectF(item->mapToScene(QPointF(0, 0)), item->size()).toRect(); //
        });
    }

    void SystemButtonAreaItemHandler::updateSystemButtonArea() {
        ctx->setSystemButtonArea(QRectF(item->mapToScene(QPointF(0, 0)), item->size()).toRect());
        ctx->virtual_hook(AbstractWindowContext::SystemButtonAreaChangedHook, nullptr);
    }

    QQuickItem *QuickWindowAgent::systemButtonArea() const {
@@ -48,10 +55,21 @@
        d->systemButtonAreaItem = item;
        if (!item) {
            d->systemButtonAreaItemHandler.reset();
            ctx->setSystemButtonArea({});
            ctx->setSystemButtonAreaCallback({});
            return;
        }
        d->systemButtonAreaItemHandler = std::make_unique<SystemButtonAreaItemHandler>(item, ctx);
    }

    ScreenRectCallback QuickWindowAgent::systemButtonAreaCallback() const {
        Q_D(const QuickWindowAgent);
        return d->systemButtonAreaItem ? nullptr : d->context->systemButtonAreaCallback();
    }

    void QuickWindowAgent::setSystemButtonAreaCallback(const ScreenRectCallback &callback) {
        Q_D(QuickWindowAgent);
        setSystemButtonArea(nullptr);
        d->context->setSystemButtonAreaCallback(callback);
    }

}