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/****************************************************************************
**
** Copyright (C) 2016 The Qt Company Ltd.
** Contact: https://www.qt.io/licensing/
**
** This file is part of Qt Creator.
**
** Commercial License Usage
** Licensees holding valid commercial Qt licenses may use this file in
** accordance with the commercial license agreement provided with the
** Software or, alternatively, in accordance with the terms contained in
** a written agreement between you and The Qt Company. For licensing terms
** and conditions see https://www.qt.io/terms-conditions. For further
** information use the contact form at https://www.qt.io/contact-us.
**
** GNU General Public License Usage
** Alternatively, this file may be used under the terms of the GNU
** General Public License version 3 as published by the Free Software
** Foundation with exceptions as appearing in the file LICENSE.GPL3-EXCEPT
** included in the packaging of this file. Please review the following
** information to ensure the GNU General Public License requirements will
** be met: https://www.gnu.org/licenses/gpl-3.0.html.
**
****************************************************************************/
#include "cornergrabberitem.h"
#include <QCursor>
#include <QGraphicsSceneMouseEvent>
#include <QPainter>
using namespace ScxmlEditor::PluginInterface;
CornerGrabberItem::CornerGrabberItem(QGraphicsItem *parent, Qt::CursorShape cshape)
: QGraphicsObject(parent)
, m_cursorShape(cshape)
{
setFlag(ItemIgnoresTransformations, true);
setParentItem(parent);
installSceneEventFilter(parent);
setZValue(500);
m_rect = QRectF(-5, -5, 10, 10);
m_drawingRect = m_rect.adjusted(2, 2, -2, -2);
setAcceptHoverEvents(true);
}
void CornerGrabberItem::updateCursor()
{
setCursor(m_selected ? m_cursorShape : Qt::ArrowCursor);
}
void CornerGrabberItem::setSelected(bool para)
{
m_selected = para;
updateCursor();
update();
}
void CornerGrabberItem::hoverLeaveEvent(QGraphicsSceneHoverEvent *e)
{
Q_UNUSED(e)
setSelected(false);
}
void CornerGrabberItem::hoverEnterEvent(QGraphicsSceneHoverEvent *e)
{
Q_UNUSED(e)
setSelected(true);
}
void CornerGrabberItem::mousePressEvent(QGraphicsSceneMouseEvent *e)
{
m_pressPoint = e->pos();
}
void CornerGrabberItem::paint(QPainter *painter, const QStyleOptionGraphicsItem *option, QWidget *widget)
{
Q_UNUSED(option)
Q_UNUSED(widget)
painter->save();
painter->setRenderHint(QPainter::Antialiasing, true);
painter->setPen(Qt::NoPen);
painter->setBrush(isEnabled() ? QColor(0x62, 0x62, 0xf9) : QColor(0x12, 0x12, 0x12));
if (m_grabberType == Square)
painter->drawRect(m_drawingRect);
else
painter->drawEllipse(m_drawingRect);
painter->restore();
}
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