C++ QDropEvent::pos方法代码示例

static QString msgEventAccepted(const QDropEvent &e)
{
    QString message;
    QTextStream str(&message);
    str << "Event at " << e.pos().x() << ',' << e.pos().y() << ' ' << (e.isAccepted() ? "accepted" : "ignored");
    return message;
}

bool QLineEdit::event( QEvent * e )
{
#if 0 // it works, but we'll wait with enabling it.
    if ( !e )
	return QWidget::event( e );

    if ( e->type() == Event_DragEnter ) {
	if ( ((QDragEnterEvent *) e)->provides( "text/plain" ) ) {
	    ((QDragEnterEvent *) e)->accept( rect() );
	    return TRUE;
	}
    } else if ( e->type() == Event_DragLeave ) {
	return TRUE;
    } else if ( e->type() == Event_Drop ) {
	QDropEvent * de = (QDropEvent *) e;
	QString str;
	if ( QTextDrag::decode( de, str ) ) {
	    if ( !hasMarkedText() ) {
		int margin = frame() ? 2 : 0;
		setCursorPosition( xPosToCursorPos( &tbuf[(int)offset],
						    fontMetrics(),
						    de->pos().x() - margin,
						    width() - 2*margin ) );
	    }
	    insert( str );
	    de->accept();
	} else {
	    de->ignore();
	}
	return TRUE;
    }
#endif
    return QWidget::event( e );
}

/** Redefined to forward events to children. */
bool TabPlaylist::eventFilter(QObject *obj, QEvent *event)
{
	if (event->type() == QEvent::DragEnter) {
		event->accept();
		return true;
	} else if (event->type() == QEvent::Drop) {
		QDropEvent *de = static_cast<QDropEvent*>(event);
		if (de->source() == NULL) {
			// Drag & Drop comes from another application but has landed in the playlist area
			de->ignore();
			QDropEvent *d = new QDropEvent(de->pos(), de->possibleActions(), de->mimeData(), de->mouseButtons(), de->keyboardModifiers());
			_mainWindow->dispatchDrop(d);
			return true;
		} else {
			if (obj == cornerWidget()) {
				auto p = this->addPlaylist();
				p->forceDrop(de);
			} else {
				currentPlayList()->forceDrop(de);
			}
			return true;
		}
	}
	return QTabWidget::eventFilter(obj, event);
}

static PyObject *meth_QDropEvent_pos(PyObject *sipSelf, PyObject *sipArgs)
{
    PyObject *sipParseErr = NULL;

    {
        QDropEvent *sipCpp;

        if (sipParseArgs(&sipParseErr, sipArgs, "B", &sipSelf, sipType_QDropEvent, &sipCpp))
        {
            QPoint *sipRes;

            Py_BEGIN_ALLOW_THREADS
            sipRes = new QPoint(sipCpp->pos());
            Py_END_ALLOW_THREADS

            return sipConvertFromNewType(sipRes,sipType_QPoint,NULL);
        }
    }

bool BookmarkToolBar::eventFilter(QObject *watched, QEvent *event)
{
    if (m_currentMenu && m_currentMenu->isVisible()
            && !m_currentMenu->rect().contains(m_currentMenu->mapFromGlobal(QCursor::pos())))
    {
        // To switch root folders as in a menubar

        KBookmarkActionMenu* act = dynamic_cast<KBookmarkActionMenu *>(actionAt(mapFromGlobal(QCursor::pos())));

        if (event->type() == QEvent::MouseMove && act && act->menu() != m_currentMenu)
        {
            m_currentMenu->hide();
            QPoint pos = mapToGlobal(widgetForAction(act)->pos());
            act->menu()->popup(QPoint(pos.x(), pos.y() + widgetForAction(act)->height()));
        }
        else if (event->type() == QEvent::MouseButtonPress && act)
        {
            m_currentMenu->hide();
        }

        return QObject::eventFilter(watched, event);
    }

    switch (event->type())
    {
    case QEvent::Show:
    {
        if (!m_filled)
        {
            BookmarkManager::self()->fillBookmarkBar(this);
            m_filled = true;
        }
    }
    break;

    case QEvent::ActionRemoved:
    {
        QActionEvent *actionEvent = static_cast<QActionEvent*>(event);
        if (actionEvent && actionEvent->action() != m_dropAction)
        {
            QWidget *widget = widgetForAction(actionEvent->action());
            if (widget)
            {
                widget->removeEventFilter(this);
            }
        }
    }
    break;

    case QEvent::ParentChange:
    {
        QActionEvent *actionEvent = static_cast<QActionEvent*>(event);
        if (actionEvent && actionEvent->action() != m_dropAction)
        {
            QWidget *widget = widgetForAction(actionEvent->action());
            if (widget)
            {
                widget->removeEventFilter(this);
            }
        }
    }
    break;

    case QEvent::DragEnter:
    {
        QDragEnterEvent *dragEvent = static_cast<QDragEnterEvent*>(event);
        if (dragEvent->mimeData()->hasFormat(BookmarkManager::bookmark_mime_type())
                || dragEvent->mimeData()->hasFormat("text/uri-list")
                || dragEvent->mimeData()->hasFormat("text/plain"))
        {
            QFrame* dropIndicatorWidget = new QFrame(this);
            dropIndicatorWidget->setFrameShape(QFrame::VLine);
            m_dropAction = insertWidget(actionAt(dragEvent->pos()), dropIndicatorWidget);

            dragEvent->accept();
        }
    }
    break;

    case QEvent::DragLeave:
    {
        QDragLeaveEvent *dragEvent = static_cast<QDragLeaveEvent*>(event);

        if (m_checkedAction)
        {
            m_checkedAction->setCheckable(false);
            m_checkedAction->setChecked(false);
        }

        delete m_dropAction;
        m_dropAction = 0;
        dragEvent->accept();
    }
    break;

    case QEvent::DragMove:
    {
        QDragMoveEvent *dragEvent = static_cast<QDragMoveEvent*>(event);
        if (dragEvent->mimeData()->hasFormat(BookmarkManager::bookmark_mime_type())
                || dragEvent->mimeData()->hasFormat("text/uri-list")
//.........这里部分代码省略.........