diff options
Diffstat (limited to 'src/plugins/platforms/wasm/qwasmwindowtreenode.h')
-rw-r--r-- | src/plugins/platforms/wasm/qwasmwindowtreenode.h | 53 |
1 files changed, 53 insertions, 0 deletions
diff --git a/src/plugins/platforms/wasm/qwasmwindowtreenode.h b/src/plugins/platforms/wasm/qwasmwindowtreenode.h new file mode 100644 index 0000000000..344fdb43cb --- /dev/null +++ b/src/plugins/platforms/wasm/qwasmwindowtreenode.h @@ -0,0 +1,53 @@ +// 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 |