Remove `isHostSizeFixed` in delegate

Sine Striker

2024-05-09 3fbcf1aa8f91a804af50fad4e2b122f698259c94

 src/widgets/widgetwindowagent.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 "widgetwindowagent.h"
#include "widgetwindowagent_p.h"

@@ -52,7 +56,7 @@
        }

        w->setAttribute(Qt::WA_DontCreateNativeAncestors);
        w->setAttribute(Qt::WA_NativeWindow);
        w->setAttribute(Qt::WA_NativeWindow); // Create new window id

        d->setup(w, new WidgetItemDelegate());
        d->hostWidget = w;
@@ -80,6 +84,9 @@
        if (!d->context->setTitleBar(w)) {
            return;
        }
#ifdef Q_OS_MAC
        setSystemButtonArea(nullptr);
#endif
        Q_EMIT titleBarChanged(w);
    }