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// Copyright (C) 2016 The Qt Company Ltd.
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0-only WITH Qt-GPL-exception-1.0
#include "quicktransitionitem.h"
#include "scxmleditortr.h"
#include <QGraphicsSceneMouseEvent>
#include <QPainter>
using namespace ScxmlEditor::PluginInterface;
const qreal CAPX = 4;
const qreal CAPY = 3;
QuickTransitionItem::QuickTransitionItem(int index, ItemType connectionType, QGraphicsItem *parent)
: QGraphicsObject(parent)
, m_connectionType(connectionType)
{
setParentItem(parent);
installSceneEventFilter(parent);
setZValue(501);
m_rect = QRectF(index * 25, -30, 20, 20);
m_drawingRect = m_rect.adjusted(4, 4, -4, -4);
m_stateRect = m_rect.adjusted(3, 4, -3, -4);
m_brush.setStyle(Qt::SolidPattern);
m_brush.setColor(QColor(0xe8, 0xe8, 0xe8));
m_pen.setColor(QColor(0x12, 0x12, 0x12));
m_pen.setCapStyle(Qt::RoundCap);
setAcceptHoverEvents(true);
}
void QuickTransitionItem::setConnectionType(ItemType connectionType)
{
m_connectionType = connectionType;
}
void QuickTransitionItem::hoverLeaveEvent(QGraphicsSceneHoverEvent *e)
{
Q_UNUSED(e)
m_brush.setColor(QColor(0xe8, 0xe8, 0xe8));
update();
}
void QuickTransitionItem::hoverEnterEvent(QGraphicsSceneHoverEvent *e)
{
Q_UNUSED(e)
m_brush.setColor(QColor(0xff, 0xc4, 0xff));
update();
}
void QuickTransitionItem::paint(QPainter *painter, const QStyleOptionGraphicsItem *option, QWidget *widget)
{
Q_UNUSED(option)
Q_UNUSED(widget)
painter->save();
painter->setRenderHint(QPainter::Antialiasing, true);
painter->setPen(m_pen);
painter->setBrush(m_brush);
painter->drawRect(m_rect);
if (m_connectionType == UnknownType) {
QPointF endPoint = m_drawingRect.topRight();
painter->drawLine(m_drawingRect.bottomLeft(), endPoint);
painter->drawLine(endPoint, endPoint + QPointF(-5, 0));
painter->drawLine(endPoint, endPoint + QPointF(0, 5));
} else if (m_connectionType >= FinalStateType) {
switch (m_connectionType) {
case StateType:
painter->setPen(m_pen);
painter->setBrush(Qt::white);
painter->drawRoundedRect(m_stateRect, 2, 2);
break;
case ParallelType:
painter->setPen(m_pen);
painter->setBrush(Qt::white);
painter->drawRoundedRect(m_stateRect, 2, 2);
painter->setPen(m_pen);
painter->drawLine(QPointF(m_stateRect.left() + CAPX, m_stateRect.center().y()), QPointF(m_stateRect.right() - CAPX, m_stateRect.center().y()));
painter->drawLine(QPointF(m_stateRect.center().x(), m_stateRect.top() + CAPY), QPointF(m_stateRect.center().x(), m_stateRect.bottom() - CAPY));
painter->drawLine(QPointF(m_stateRect.right() - CAPX, m_stateRect.top() + CAPY), QPointF(m_stateRect.center().x(), m_stateRect.top() + CAPY));
painter->drawLine(QPointF(m_stateRect.right() - CAPX, m_stateRect.bottom() - CAPY), QPointF(m_stateRect.center().x(), m_stateRect.bottom() - CAPY));
break;
case FinalStateType:
painter->setPen(m_pen);
painter->setBrush(Qt::white);
painter->drawEllipse(m_stateRect.center(), 7, 7);
painter->setPen(Qt::NoPen);
painter->setBrush(Qt::black);
painter->drawEllipse(m_stateRect.center(), 5, 5);
break;
case HistoryType:
painter->setFont(QFont("Arial", 6));
painter->setPen(m_pen);
painter->setBrush(Qt::white);
painter->drawEllipse(m_stateRect.center(), 7, 7);
painter->drawText(m_stateRect, Qt::AlignCenter, Tr::tr("H"));
break;
default:
break;
}
}
painter->restore();
}
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