Sine Striker
2024-02-29 ecd08c3cd520b8269396809996d2bf496a3c8901
src/quick/quickwindowagent_win.cpp
@@ -1,47 +1,44 @@
// 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_p.h"
#include <QtQuick/QQuickPaintedItem>
#include <QtQuick/private/qquickitem_p.h>
#include <QWKCore/qwindowkit_windows.h>
#include <QWKCore/private/windows10borderhandler_p.h>
namespace QWK {
#if QWINDOWKIT_CONFIG(ENABLE_WINDOWS_SYSTEM_BORDERS)
    // TODO: Find a way to draw native border
    // We haven't found a way to place hooks in the Quick program and call the GDI API to draw
    // the native border area so that we'll use the emulated drawn border for now.
    class BorderItem : public QQuickPaintedItem,
                       public NativeEventFilter,
                       public SharedEventFilter {
    class BorderItem : public QQuickPaintedItem, public Windows10BorderHandler {
    public:
        explicit BorderItem(QQuickItem *parent, AbstractWindowContext *context);
        ~BorderItem() override;
        inline bool isNormalWindow() const;
        inline void updateGeometry();
        void updateGeometry() override;
    public:
        void paint(QPainter *painter) override;
        void itemChange(ItemChange change, const ItemChangeData &data) override;
    protected:
        bool nativeEventFilter(const QByteArray &eventType, void *message,
                               QT_NATIVE_EVENT_RESULT_TYPE *result) override;
        bool sharedEventFilter(QObject *obj, QEvent *event) override;
        AbstractWindowContext *context;
#  if QT_VERSION >= QT_VERSION_CHECK(6, 0, 0)
        volatile bool needPaint = false;
    private:
        void _q_windowActivityChanged();
        void _q_afterSynchronizing();
#  endif
    };
    BorderItem::BorderItem(QQuickItem *parent, AbstractWindowContext *context)
        : QQuickPaintedItem(parent), context(context) {
        setAntialiasing(true);   // We needs anti-aliasing to give us better result.
        : QQuickPaintedItem(parent), Windows10BorderHandler(context) {
        setAntialiasing(true);   // We need anti-aliasing to give us better result.
        setFillColor({});        // Will improve the performance a little bit.
        setOpaquePainting(true); // Will also improve the performance, we don't draw
                                 // semi-transparent borders of course.
@@ -52,37 +49,48 @@
        anchors->setLeft(parentPri->left());
        anchors->setRight(parentPri->right());
        setZ(9999); // Make sure our fake border always above everything in the window.
        setZ(std::numeric_limits<qreal>::max()); // Make sure our fake border always above
                                                 // everything in the window.
        context->installNativeEventFilter(this);
        context->installSharedEventFilter(this);
#  if QT_VERSION >= QT_VERSION_CHECK(6, 0, 0)
        connect(window(), &QQuickWindow::afterSynchronizing, this,
                &BorderItem::_q_afterSynchronizing, Qt::DirectConnection);
#  endif
        connect(window(), &QQuickWindow::activeChanged, this,
                &BorderItem::_q_windowActivityChanged);
        updateGeometry();
        // First update
        if (context->windowId()) {
            setupNecessaryAttributes();
        }
        BorderItem::updateGeometry();
    }
    BorderItem::~BorderItem() = default;
    bool BorderItem::isNormalWindow() const {
        return !(context->window()->windowState() &
                 (Qt::WindowMinimized | Qt::WindowMaximized | Qt::WindowFullScreen));
    }
    void BorderItem::updateGeometry() {
        setHeight(context->windowAttribute(QStringLiteral("border-thickness")).toInt());
        setHeight(borderThickness());
        setVisible(isNormalWindow());
    }
    void BorderItem::paint(QPainter *painter) {
        QRect rect(QPoint(0, 0), size().toSize());
        QRegion region(rect);
        void *args[] = {
            painter,
            &rect,
            &region,
        };
        context->virtual_hook(AbstractWindowContext::DrawWindows10BorderHook, args);
        Q_UNUSED(painter)
#  if QT_VERSION >= QT_VERSION_CHECK(6, 0, 0)
        if (auto api = window()->rendererInterface()->graphicsApi();
            !(api == QSGRendererInterface::Direct3D11 || api == QSGRendererInterface::Direct3D12)) {
#  endif
            QRect rect(QPoint(0, 0), size().toSize());
            QRegion region(rect);
            void *args[] = {
                painter,
                &rect,
                &region,
            };
            ctx->virtual_hook(AbstractWindowContext::DrawWindows10BorderHook, args);
#  if QT_VERSION >= QT_VERSION_CHECK(6, 0, 0)
        } else {
            needPaint = true;
        }
#  endif
    }
    void BorderItem::itemChange(ItemChange change, const ItemChangeData &data) {
@@ -98,49 +106,27 @@
        }
    }
    bool BorderItem::nativeEventFilter(const QByteArray &eventType, void *message,
                                       QT_NATIVE_EVENT_RESULT_TYPE *result) {
        Q_UNUSED(eventType)
        const auto msg = static_cast<const MSG *>(message);
        switch (msg->message) {
            case WM_THEMECHANGED:
            case WM_SYSCOLORCHANGE:
            case WM_DWMCOLORIZATIONCOLORCHANGED: {
                update();
                break;
            }
            case WM_SETTINGCHANGE: {
                if (isImmersiveColorSetChange(msg->wParam, msg->lParam)) {
                    update();
                }
                break;
            }
            default:
                break;
        }
        return false;
    }
    bool BorderItem::sharedEventFilter(QObject *obj, QEvent *event) {
        Q_UNUSED(obj)
        switch (event->type()) {
            case QEvent::WindowStateChange: {
                updateGeometry();
                break;
            }
            default:
                break;
        }
        return false;
        return Windows10BorderHandler::sharedEventFilter(obj, event);
    }
    void BorderItem::_q_windowActivityChanged() {
        update();
#  if QT_VERSION >= QT_VERSION_CHECK(6, 0, 0)
    void BorderItem::_q_afterSynchronizing() {
        if (needPaint) {
            needPaint = false;
            drawBorder();
        }
    }
#  endif
    void QuickWindowAgentPrivate::setupWindows10BorderWorkaround() {
        // Install painting hook