// 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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#include "quickwindowagent_p.h"
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#include <QtQuick/QQuickPaintedItem>
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#include <QtQuick/private/qquickitem_p.h>
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#include <QWKCore/qwindowkit_windows.h>
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#include <QWKCore/private/windows10borderhandler_p.h>
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namespace QWK {
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static inline bool isWindows1022H2OrGreater() {
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RTL_OSVERSIONINFOW rovi = Private::GetRealOSVersion();
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return (rovi.dwMajorVersion > 10) ||
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(rovi.dwMajorVersion == 10 &&
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(rovi.dwMinorVersion > 0 || rovi.dwBuildNumber >= 19045));
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}
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#if QWINDOWKIT_CONFIG(ENABLE_WINDOWS_SYSTEM_BORDERS)
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class BorderItem : public QQuickPaintedItem, public Windows10BorderHandler {
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public:
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explicit BorderItem(QQuickItem *parent, AbstractWindowContext *context);
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~BorderItem() override;
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bool shouldEnableEmulatedPainter() const;
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void updateGeometry() override;
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public:
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void paint(QPainter *painter) override;
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void itemChange(ItemChange change, const ItemChangeData &data) override;
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protected:
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bool sharedEventFilter(QObject *obj, QEvent *event) override;
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bool nativeEventFilter(const QByteArray &eventType, void *message,
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QT_NATIVE_EVENT_RESULT_TYPE *result) override;
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private:
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volatile bool needPaint = false;
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void _q_afterSynchronizing();
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void _q_windowActivityChanged();
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};
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bool BorderItem::shouldEnableEmulatedPainter() const {
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# if QT_VERSION >= QT_VERSION_CHECK(6, 0, 0)
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const QQuickWindow* win = window();
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if (!win) {
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return true;
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}
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auto api = win->rendererInterface()->graphicsApi();
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switch (api) {
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case QSGRendererInterface::OpenGL:
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// FIXME: experimental, try to find the exact fixed version.
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return !isWindows1022H2OrGreater();
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case QSGRendererInterface::Direct3D11:
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# if QT_VERSION >= QT_VERSION_CHECK(6, 6, 0)
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case QSGRendererInterface::Direct3D12:
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# endif
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return false;
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default:
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break;
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}
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# endif
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return true;
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}
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BorderItem::BorderItem(QQuickItem *parent, AbstractWindowContext *context)
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: QQuickPaintedItem(parent), Windows10BorderHandler(context) {
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setAntialiasing(true); // We need anti-aliasing to give us better result.
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setFillColor({}); // Will improve the performance a little bit.
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setOpaquePainting(true); // Will also improve the performance, we don't draw
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// semi-transparent borders of course.
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auto parentPri = QQuickItemPrivate::get(parent);
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auto anchors = QQuickItemPrivate::get(this)->anchors();
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anchors->setTop(parentPri->top());
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anchors->setLeft(parentPri->left());
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anchors->setRight(parentPri->right());
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setZ(std::numeric_limits<qreal>::max()); // Make sure our fake border always above
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// everything in the window.
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# if QT_VERSION >= QT_VERSION_CHECK(6, 0, 0)
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connect(window(), &QQuickWindow::afterSynchronizing, this,
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&BorderItem::_q_afterSynchronizing, Qt::DirectConnection);
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# endif
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connect(window(), &QQuickWindow::activeChanged, this,
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&BorderItem::_q_windowActivityChanged);
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// First update
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if (context->windowId()) {
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setupNecessaryAttributes();
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}
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BorderItem::updateGeometry();
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}
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BorderItem::~BorderItem() = default;
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void BorderItem::updateGeometry() {
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const QQuickWindow* win = window();
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if (!win) {
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return;
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}
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setHeight(borderThickness() / win->effectiveDevicePixelRatio());
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setVisible(isNormalWindow());
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}
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void BorderItem::paint(QPainter *painter) {
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Q_UNUSED(painter)
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if (shouldEnableEmulatedPainter()) {
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drawBorderEmulated(painter, QRect({0, 0}, size().toSize()));
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} else {
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needPaint = true;
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}
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}
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void BorderItem::itemChange(ItemChange change, const ItemChangeData &data) {
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QQuickPaintedItem::itemChange(change, data);
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switch (change) {
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case ItemVisibleHasChanged:
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case ItemDevicePixelRatioHasChanged: {
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updateGeometry();
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break;
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}
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default:
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break;
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}
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}
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bool BorderItem::sharedEventFilter(QObject *obj, QEvent *event) {
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Q_UNUSED(obj)
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switch (event->type()) {
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case QEvent::WindowStateChange: {
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updateGeometry();
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}
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default:
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break;
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}
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return Windows10BorderHandler::sharedEventFilter(obj, event);
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}
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bool BorderItem::nativeEventFilter(const QByteArray &eventType, void *message,
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QT_NATIVE_EVENT_RESULT_TYPE *result) {
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const auto msg = static_cast<const MSG *>(message);
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switch (msg->message) {
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case WM_THEMECHANGED:
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case WM_SYSCOLORCHANGE:
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case WM_DWMCOLORIZATIONCOLORCHANGED: {
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update();
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break;
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}
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case WM_SETTINGCHANGE: {
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if (isImmersiveColorSetChange(msg->wParam, msg->lParam)) {
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update();
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}
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break;
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}
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default:
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break;
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}
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return Windows10BorderHandler::nativeEventFilter(eventType, message, result);
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}
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void BorderItem::_q_afterSynchronizing() {
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if (needPaint) {
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needPaint = false;
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drawBorderNative();
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}
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}
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void BorderItem::_q_windowActivityChanged() {
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update();
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}
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void QuickWindowAgentPrivate::setupWindows10BorderWorkaround() {
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// Install painting hook
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auto ctx = context.get();
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if (ctx->windowAttribute(QStringLiteral("win10-border-needed")).toBool()) {
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std::ignore = new BorderItem(hostWindow->contentItem(), ctx);
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}
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}
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#endif
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}
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