Zhao Yuhang
2025-02-04 cc65c4da6ad762e8648b2ab6a801e07c50922d3d
src/quick/quickwindowagent.cpp
@@ -1,89 +1,28 @@
// 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.h"
#include "quickwindowagent_p.h"
#include "quickitemdelegate_p.h"
#include <QtQuick/QQuickWindow>
#include <QtQuick/QQuickPaintedItem>
#include <QtQuick/private/qquickitem_p.h>
#include <QtQuick/private/qquickanchors_p.h>
#include "quickitemdelegate_p.h"
namespace QWK {
    class BorderItem : public QQuickPaintedItem {
        Q_OBJECT
    /*!
        \class QuickWindowAgent
        \brief QuickWindowAgent is the window agent for QtQuick.
    public:
        explicit BorderItem(AbstractWindowContext *ctx, QQuickItem *parent = nullptr);
        ~BorderItem() override;
        It provides interfaces for QtQuick and processes some Qt events related to the QQuickItem
        instance. The usage of all APIs is consistent with the \a Widgets module.
    */
        void updateHeight();
    QuickWindowAgentPrivate::QuickWindowAgentPrivate() = default;
        void paint(QPainter *painter) override;
        void itemChange(ItemChange change, const ItemChangeData &data) override;
    private:
        AbstractWindowContext *context;
    };
    BorderItem::BorderItem(AbstractWindowContext *ctx, QQuickItem *parent) : QQuickPaintedItem(parent), context(ctx) {
        setAntialiasing(true); // ### FIXME: do we need to enable or disable this?
        setMipmap(true); // ### FIXME: do we need to enable or disable this?
        setFillColor({}); // Will improve the performance a little bit.
        setOpaquePainting(true); // Will also improve the performance, we don't draw semi-transparent borders of course.
        auto parentPri = QQuickItemPrivate::get(parent);
        auto anchors = QQuickItemPrivate::get(this)->anchors();
        anchors->setTop(parentPri->top());
        anchors->setLeft(parentPri->left());
        anchors->setRight(parentPri->right());
        setZ(10);
    }
    BorderItem::~BorderItem() = default;
    void BorderItem::updateHeight() {
        bool native = false;
        quint32 thickness = 0;
        void *args[] = { &native, &thickness };
        context->virtual_hook(AbstractWindowContext::QueryBorderThicknessHook, &args);
        setHeight(thickness);
    }
    void BorderItem::paint(QPainter *painter) {
        auto rect = QRect{ QPoint{ 0, 0}, size().toSize() };
        auto region = QRegion{ rect };
        void *args[] = {
            painter,
            &rect,
            &region
        };
        context->virtual_hook(AbstractWindowContext::DrawBordersHook, args);
    }
    void BorderItem::itemChange(ItemChange change, const ItemChangeData &data) {
        QQuickPaintedItem::itemChange(change, data);
        switch (change) {
            case ItemSceneChange:
                if (data.window) {
                    connect(data.window, &QQuickWindow::activeChanged, this, [this](){ update(); });
                }
                Q_FALLTHROUGH();
            case ItemVisibleHasChanged:
            case ItemDevicePixelRatioHasChanged:
                updateHeight();
                break;
            default:
                break;
        }
    }
    QuickWindowAgentPrivate::QuickWindowAgentPrivate() {
    }
    QuickWindowAgentPrivate::~QuickWindowAgentPrivate() {
    }
    QuickWindowAgentPrivate::~QuickWindowAgentPrivate() = default;
    void QuickWindowAgentPrivate::init() {
    }
@@ -92,8 +31,7 @@
        : QuickWindowAgent(*new QuickWindowAgentPrivate(), parent) {
    }
    QuickWindowAgent::~QuickWindowAgent() {
    }
    QuickWindowAgent::~QuickWindowAgent() = default;
    bool QuickWindowAgent::setup(QQuickWindow *window) {
        Q_ASSERT(window);
@@ -106,16 +44,18 @@
            return false;
        }
        if (!d->setup(window, new QuickItemDelegate())) {
            return false;
        }
        d->setup(window, new QuickItemDelegate());
        d->hostWindow = window;
        if (bool needPaintBorder = false;
            d->context->virtual_hook(AbstractWindowContext::NeedsDrawBordersHook, &needPaintBorder),
            needPaintBorder) {
            d->borderItem = std::make_unique<BorderItem>(d->context.get(), window->contentItem());
#if defined(Q_OS_WINDOWS) && QWINDOWKIT_CONFIG(ENABLE_WINDOWS_SYSTEM_BORDERS)
        d->setupWindows10BorderWorkaround();
#endif
#ifdef Q_OS_WINDOWS
        if (!windowAttribute(QStringLiteral("windows-system-border-enabled")).toBool()) {
            window->setFlag(Qt::FramelessWindowHint);
        }
#endif
        return true;
    }
@@ -129,6 +69,9 @@
        if (!d->context->setTitleBar(item)) {
            return;
        }
#ifdef Q_OS_MAC
        setSystemButtonArea(nullptr);
#endif
        Q_EMIT titleBarWidgetChanged(item);
    }
@@ -145,26 +88,26 @@
        Q_EMIT systemButtonChanged(button, item);
    }
#if (QT_VERSION < QT_VERSION_CHECK(6, 0, 0))
    bool QuickWindowAgent::isHitTestVisible(QQuickItem *item) const {
#else
    bool QuickWindowAgent::isHitTestVisible(const QQuickItem *item) const {
#endif
        Q_D(const QuickWindowAgent);
        return d->context->isHitTestVisible(item);
    }
    void QuickWindowAgent::setHitTestVisible_item(const QQuickItem *item, bool visible) {
    void QuickWindowAgent::setHitTestVisible(QQuickItem *item, bool visible) {
        Q_D(QuickWindowAgent);
        d->context->setHitTestVisible(item, visible);
    }
    void QuickWindowAgent::setHitTestVisible_rect(const QRect &rect, bool visible) {
        Q_D(QuickWindowAgent);
        d->context->setHitTestVisible(rect, visible);
    }
    /*!
        \internal
    */
    QuickWindowAgent::QuickWindowAgent(QuickWindowAgentPrivate &d, QObject *parent)
        : WindowAgentBase(d, parent) {
        d.init();
    }
}
#include "quickwindowagent.moc"