tweak

Zhao Yuhang

2023-12-14 59690b8ab4f3e4c2cea0467f40e858080943dd62

 src/quick/quickwindowagent.cpp

@@ -1,100 +1,16 @@
#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
    public:
        explicit BorderItem(AbstractWindowContext *ctx, QQuickItem *parent = nullptr);
        ~BorderItem() override;
    QuickWindowAgentPrivate::QuickWindowAgentPrivate() = default;

        void updateHeight();

    public:
        void paint(QPainter *painter) override;
        void itemChange(ItemChange change, const ItemChangeData &data) override;

    private:
        AbstractWindowContext *context;

        void _q_windowActivityChanged();
    };

    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::BorderThicknessHook, &args);
        setHeight(thickness);
    }

    void BorderItem::paint(QPainter *painter) {
        QRect rect(QPoint(0, 0), size().toSize());
        QRegion region(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,
                            &BorderItem::_q_windowActivityChanged);
                }
                Q_FALLTHROUGH();
            case ItemVisibleHasChanged:
            case ItemDevicePixelRatioHasChanged:
                updateHeight();
                break;
            default:
                break;
        }
    }

    void BorderItem::_q_windowActivityChanged() {
        update();
    }

    QuickWindowAgentPrivate::QuickWindowAgentPrivate() {
    }

    QuickWindowAgentPrivate::~QuickWindowAgentPrivate() {
    }
    QuickWindowAgentPrivate::~QuickWindowAgentPrivate() = default;

    void QuickWindowAgentPrivate::init() {
    }
@@ -103,8 +19,7 @@
        : QuickWindowAgent(*new QuickWindowAgentPrivate(), parent) {
    }

    QuickWindowAgent::~QuickWindowAgent() {
    }
    QuickWindowAgent::~QuickWindowAgent() = default;

    bool QuickWindowAgent::setup(QQuickWindow *window) {
        Q_ASSERT(window);
@@ -122,11 +37,9 @@
        }
        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());
        }
#ifdef Q_OS_WINDOWS
        d->setupWindows10BorderWorkaround();
#endif
        return true;
    }

@@ -176,6 +89,4 @@
        d.init();
    }

}

#include "quickwindowagent.moc"
}