// Copyright (C) 2023-2024 Stdware Collections (https://www.github.com/stdware)
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// Copyright (C) 2021-2023 wangwenx190 (Yuhang Zhao)
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// SPDX-License-Identifier: Apache-2.0
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#ifndef ABSTRACTWINDOWCONTEXT_P_H
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#define ABSTRACTWINDOWCONTEXT_P_H
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//
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// W A R N I N G !!!
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// -----------------
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//
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// This file is not part of the QWindowKit API. It is used purely as an
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// implementation detail. This header file may change from version to
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// version without notice, or may even be removed.
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//
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#include <array>
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#include <memory>
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#include <QtCore/QSet>
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#include <QtCore/QPointer>
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#include <QtGui/QRegion>
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#include <QtGui/QWindow>
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#include <QWKCore/windowagentbase.h>
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#include <QWKCore/private/nativeeventfilter_p.h>
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#include <QWKCore/private/sharedeventfilter_p.h>
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#include <QWKCore/private/windowitemdelegate_p.h>
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#include <QWKCore/private/winidchangeeventfilter_p.h>
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namespace QWK {
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class QWK_CORE_EXPORT AbstractWindowContext : public QObject,
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public NativeEventDispatcher,
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public SharedEventDispatcher {
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Q_OBJECT
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public:
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AbstractWindowContext();
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~AbstractWindowContext() override;
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public:
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void setup(QObject *host, WindowItemDelegate *delegate);
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inline QObject *host() const;
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inline QWindow *window() const;
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inline WId windowId() const;
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inline WindowItemDelegate *delegate() const;
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inline bool isHitTestVisible(const QObject *obj) const;
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bool setHitTestVisible(QObject *obj, bool visible);
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inline QObject *systemButton(WindowAgentBase::SystemButton button) const;
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bool setSystemButton(WindowAgentBase::SystemButton button, QObject *obj);
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inline QObject *titleBar() const;
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bool setTitleBar(QObject *obj);
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#ifdef Q_OS_MAC
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inline ScreenRectCallback systemButtonAreaCallback() const;
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void setSystemButtonAreaCallback(const ScreenRectCallback &callback);
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#endif
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bool isInSystemButtons(const QPoint &pos, WindowAgentBase::SystemButton *button) const;
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bool isInTitleBarDraggableArea(const QPoint &pos) const;
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inline bool isHostWidthFixed() const {
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return m_windowHandle
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? ((m_windowHandle->flags() & Qt::MSWindowsFixedSizeDialogHint) ||
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m_windowHandle->minimumWidth() == m_windowHandle->maximumWidth())
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: false;
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}
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inline bool isHostHeightFixed() const {
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return m_windowHandle
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? ((m_windowHandle->flags() & Qt::MSWindowsFixedSizeDialogHint) ||
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m_windowHandle->minimumHeight() == m_windowHandle->maximumHeight())
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: false;
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}
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inline bool isHostSizeFixed() const {
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return m_windowHandle ? ((m_windowHandle->flags() & Qt::MSWindowsFixedSizeDialogHint) ||
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m_windowHandle->minimumSize() == m_windowHandle->maximumSize())
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: false;
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}
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virtual QString key() const;
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enum WindowContextHook {
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CentralizeHook = 1,
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RaiseWindowHook,
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ShowSystemMenuHook,
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DefaultColorsHook,
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DrawWindows10BorderHook, // Only works on Windows 10, emulated workaround
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DrawWindows10BorderHook2, // Only works on Windows 10, native workaround
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SystemButtonAreaChangedHook, // Only works on Mac
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};
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virtual void virtual_hook(int id, void *data);
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void showSystemMenu(const QPoint &pos);
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void notifyWinIdChange();
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virtual QVariant windowAttribute(const QString &key) const;
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virtual bool setWindowAttribute(const QString &key, const QVariant &attribute);
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protected:
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bool eventFilter(QObject *obj, QEvent *event) override;
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protected:
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virtual void winIdChanged(WId winId, WId oldWinId) = 0;
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virtual bool windowAttributeChanged(const QString &key, const QVariant &attribute,
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const QVariant &oldAttribute);
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protected:
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QObject *m_host{};
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std::unique_ptr<WindowItemDelegate> m_delegate;
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QPointer<QWindow> m_windowHandle;
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WId m_windowId{};
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QSet<const QObject *> m_hitTestVisibleItems;
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#ifdef Q_OS_MAC
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ScreenRectCallback m_systemButtonAreaCallback;
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#endif
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QObject *m_titleBar{};
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std::array<QObject *, WindowAgentBase::Close + 1> m_systemButtons{};
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QVariantHash m_windowAttributes;
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std::unique_ptr<WinIdChangeEventFilter> m_winIdChangeEventFilter;
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void removeSystemButtonsAndHitTestItems();
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private:
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void _q_titleBarDistroyed(QObject *obj);
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void _q_hitTestVisibleItemDestroyed(QObject *obj);
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void _q_systemButtonDestroyed(QObject *obj);
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};
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inline QObject *AbstractWindowContext::host() const {
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return m_host;
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}
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inline QWindow *AbstractWindowContext::window() const {
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return m_windowHandle;
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}
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inline WId AbstractWindowContext::windowId() const {
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return m_windowId;
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}
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inline WindowItemDelegate *AbstractWindowContext::delegate() const {
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return m_delegate.get();
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}
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inline bool AbstractWindowContext::isHitTestVisible(const QObject *obj) const {
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return m_hitTestVisibleItems.contains(obj);
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}
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inline QObject *
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AbstractWindowContext::systemButton(WindowAgentBase::SystemButton button) const {
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return m_systemButtons[button];
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}
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inline QObject *AbstractWindowContext::titleBar() const {
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return m_titleBar;
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}
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#ifdef Q_OS_MAC
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inline ScreenRectCallback AbstractWindowContext::systemButtonAreaCallback() const {
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return m_systemButtonAreaCallback;
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}
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#endif
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}
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#endif // ABSTRACTWINDOWCONTEXT_P_H
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