// 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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namespace QWK {
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#if QWINDOWKIT_CONFIG(ENABLE_WINDOWS_SYSTEM_BORDERS)
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// TODO: Find a way to draw native border
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// We haven't found a way to place hooks in the Quick program and call the GDI API to draw
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// the native border area so that we'll use the emulated drawn border for now.
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class BorderItem : public QQuickPaintedItem,
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public NativeEventFilter,
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public SharedEventFilter {
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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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inline bool isNormalWindow() const;
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inline void updateGeometry();
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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 nativeEventFilter(const QByteArray &eventType, void *message,
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QT_NATIVE_EVENT_RESULT_TYPE *result) override;
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bool sharedEventFilter(QObject *obj, QEvent *event) override;
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AbstractWindowContext *context;
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private:
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void _q_windowActivityChanged();
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};
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BorderItem::BorderItem(QQuickItem *parent, AbstractWindowContext *context)
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: QQuickPaintedItem(parent), context(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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context->installNativeEventFilter(this);
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context->installSharedEventFilter(this);
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connect(window(), &QQuickWindow::activeChanged, this,
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&BorderItem::_q_windowActivityChanged);
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updateGeometry();
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}
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BorderItem::~BorderItem() = default;
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bool BorderItem::isNormalWindow() const {
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return !(context->window()->windowStates() &
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(Qt::WindowMinimized | Qt::WindowMaximized | Qt::WindowFullScreen));
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}
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void BorderItem::updateGeometry() {
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setHeight(context->windowAttribute(QStringLiteral("border-thickness")).toInt());
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setVisible(isNormalWindow());
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}
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void BorderItem::paint(QPainter *painter) {
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QRect rect(QPoint(0, 0), size().toSize());
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QRegion region(rect);
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void *args[] = {
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painter,
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&rect,
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®ion,
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};
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context->virtual_hook(AbstractWindowContext::DrawWindows10BorderHook, args);
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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::nativeEventFilter(const QByteArray &eventType, void *message,
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QT_NATIVE_EVENT_RESULT_TYPE *result) {
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Q_UNUSED(eventType)
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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 false;
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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::WinIdChange: {
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if (auto winId = context->windowId()) {
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updateGeometry();
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}
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break;
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}
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case QEvent::WindowStateChange: {
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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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return false;
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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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