C++ QMouseEvent::setTimestamp方法代码示例

// Copied with minor modifications from qtdeclarative/src/quick/items/qquickwindow.cpp
QMouseEvent *TouchDispatcher::touchToMouseEvent(
        QEvent::Type type, const QTouchEvent::TouchPoint &p,
        ulong timestamp, Qt::KeyboardModifiers modifiers,
        bool transformNeeded)
{
    QQuickItem *item = m_targetItem.data();

    // The touch point local position and velocity are not yet transformed.
    QMouseEvent *me = new QMouseEvent(type, transformNeeded ? item->mapFromScene(p.scenePos()) : p.pos(),
                                      p.scenePos(), p.screenPos(), Qt::LeftButton,
                                      (type == QEvent::MouseButtonRelease ? Qt::NoButton : Qt::LeftButton),
                                      modifiers);
    me->setAccepted(true);
    me->setTimestamp(timestamp);
    QVector2D transformedVelocity = p.velocity();
    if (transformNeeded) {
        QQuickItemPrivate *itemPrivate = QQuickItemPrivate::get(item);
        QMatrix4x4 transformMatrix(itemPrivate->windowToItemTransform());
        transformedVelocity = transformMatrix.mapVector(p.velocity()).toVector2D();
    }

    // Add these later if needed:
    //QGuiApplicationPrivate::setMouseEventCapsAndVelocity(me, event->device()->capabilities(), transformedVelocity);
    //QGuiApplicationPrivate::setMouseEventSource(me, Qt::MouseEventSynthesizedByQt);
    return me;
}

static QMouseEvent *_ZFP_ZFUIScrollViewImpl_sys_Qt_MouseEventClone(ZF_IN QMouseEvent *event,
                                                                   ZF_IN QEvent::Type type,
                                                                   ZF_IN QPointF const &localPos)
{
    QMouseEvent *ret = new QMouseEvent(
            type
            , localPos
            , event->windowPos()
            , event->screenPos()
            , event->button()
            , event->buttons()
            , event->modifiers()
        );
    ret->setTimestamp(event->timestamp());
    _ZFP_ZFUIScrollViewImpl_sys_Qt_MouseEventTagData *tag = _ZFP_ZFUIScrollViewImpl_sys_Qt_MouseEventTagCheck(event);
    if(tag != zfnull)
    {
        *(_ZFP_ZFUIScrollViewImpl_sys_Qt_MouseEventTagAccess(ret)) = *tag;
    }
    return ret;
}

void QWidgetWindow::handleMouseEvent(QMouseEvent *event)
{
    static const QEvent::Type contextMenuTrigger =
        QGuiApplicationPrivate::platformTheme()->themeHint(QPlatformTheme::ContextMenuOnMouseRelease).toBool() ?
        QEvent::MouseButtonRelease : QEvent::MouseButtonPress;
    if (qApp->d_func()->inPopupMode()) {
        QWidget *activePopupWidget = qApp->activePopupWidget();
        QWidget *popup = activePopupWidget;
        QPoint mapped = event->pos();
        if (popup != m_widget)
            mapped = popup->mapFromGlobal(event->globalPos());
        bool releaseAfter = false;
        QWidget *popupChild  = popup->childAt(mapped);

        if (popup != qt_popup_down) {
            qt_button_down = 0;
            qt_popup_down = 0;
        }

        switch (event->type()) {
        case QEvent::MouseButtonPress:
        case QEvent::MouseButtonDblClick:
            qt_button_down = popupChild;
            qt_popup_down = popup;
            break;
        case QEvent::MouseButtonRelease:
            releaseAfter = true;
            break;
        default:
            break; // nothing for mouse move
        }

        int oldOpenPopupCount = openPopupCount;

        if (popup->isEnabled()) {
            // deliver event
            qt_replay_popup_mouse_event = false;
            QWidget *receiver = popup;
            QPoint widgetPos = mapped;
            if (qt_button_down)
                receiver = qt_button_down;
            else if (popupChild)
                receiver = popupChild;
            if (receiver != popup)
                widgetPos = receiver->mapFromGlobal(event->globalPos());
            QWidget *alien = m_widget->childAt(m_widget->mapFromGlobal(event->globalPos()));
            QMouseEvent e(event->type(), widgetPos, event->windowPos(), event->screenPos(), event->button(), event->buttons(), event->modifiers());
            QGuiApplicationPrivate::setMouseEventSource(&e, QGuiApplicationPrivate::mouseEventSource(event));
            e.setTimestamp(event->timestamp());
            QApplicationPrivate::sendMouseEvent(receiver, &e, alien, m_widget, &qt_button_down, qt_last_mouse_receiver);
            qt_last_mouse_receiver = receiver;
        } else {
            // close disabled popups when a mouse button is pressed or released
            switch (event->type()) {
            case QEvent::MouseButtonPress:
            case QEvent::MouseButtonDblClick:
            case QEvent::MouseButtonRelease:
                popup->close();
                break;
            default:
                break;
            }
        }

        if (qApp->activePopupWidget() != activePopupWidget
            && qt_replay_popup_mouse_event
            && QGuiApplicationPrivate::platformIntegration()->styleHint(QPlatformIntegration::ReplayMousePressOutsidePopup).toBool()) {
            if (m_widget->windowType() != Qt::Popup)
                qt_button_down = 0;
            if (event->type() == QEvent::MouseButtonPress) {
                // the popup disappeared, replay the mouse press event
                QWidget *w = QApplication::widgetAt(event->globalPos());
                if (w && !QApplicationPrivate::isBlockedByModal(w)) {
                    // activate window of the widget under mouse pointer
                    if (!w->isActiveWindow()) {
                        w->activateWindow();
                        w->raise();
                    }

                    QWindow *win = w->windowHandle();
                    if (!win)
                        win = w->nativeParentWidget()->windowHandle();
                    if (win) {
                        const QRect globalGeometry = win->isTopLevel()
                            ? win->geometry()
                            : QRect(win->mapToGlobal(QPoint(0, 0)), win->size());
                        if (globalGeometry.contains(event->globalPos())) {
                            // Use postEvent() to ensure the local QEventLoop terminates when called from QMenu::exec()
                            const QPoint localPos = win->mapFromGlobal(event->globalPos());
                            QMouseEvent *e = new QMouseEvent(QEvent::MouseButtonPress, localPos, localPos, event->globalPos(), event->button(), event->buttons(), event->modifiers());
                            QCoreApplicationPrivate::setEventSpontaneous(e, true);
                            QGuiApplicationPrivate::setMouseEventSource(e, QGuiApplicationPrivate::mouseEventSource(event));
                            e->setTimestamp(event->timestamp());
                            QCoreApplication::postEvent(win, e);
                        }
                    }
                }
            }
            qt_replay_popup_mouse_event = false;
#ifndef QT_NO_CONTEXTMENU
//.........这里部分代码省略.........