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// Copyright (C) 2023 The Qt Company Ltd.
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0-only
#ifndef QWASMWINDOWTREENODE_H
#define QWASMWINDOWTREENODE_H
#include "qwasmwindowstack.h"
namespace emscripten {
class val;
}
class QWasmWindow;
enum class QWasmWindowTreeNodeChangeType {
NodeInsertion,
NodeRemoval,
};
class QWasmWindowTreeNode
{
public:
QWasmWindowTreeNode();
virtual ~QWasmWindowTreeNode();
virtual emscripten::val containerElement() = 0;
virtual QWasmWindowTreeNode *parentNode() = 0;
protected:
virtual void onParentChanged(QWasmWindowTreeNode *previous, QWasmWindowTreeNode *current,
QWasmWindowStack::PositionPreference positionPreference);
virtual QWasmWindow *asWasmWindow();
virtual void onSubtreeChanged(QWasmWindowTreeNodeChangeType changeType,
QWasmWindowTreeNode *parent, QWasmWindow *child);
virtual void setWindowZOrder(QWasmWindow *window, int z);
void onPositionPreferenceChanged(QWasmWindowStack::PositionPreference positionPreference);
void setAsActiveNode();
void bringToTop();
void sendToBottom();
const QWasmWindowStack &childStack() const { return m_childStack; }
QWasmWindow *activeChild() const { return m_activeChild; }
private:
void onTopWindowChanged();
void setActiveChildNode(QWasmWindow *activeChild);
QWasmWindowStack m_childStack;
QWasmWindow *m_activeChild = nullptr;
};
#endif // QWASMWINDOWTREENODE_H
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