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/****************************************************************************
**
** Copyright (C) 2016 Jochen Becher
** 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 "alignbuttonsitem.h"
#include "qmt/diagram_scene/capabilities/alignable.h"
#include "qmt/infrastructure/qmtassert.h"
#include <QPen>
#include <QBrush>
#include <QPainter>
#include <QGraphicsSceneMouseEvent>
#include <QDebug>
namespace qmt {
class AlignButtonsItem::AlignButtonItem : public QGraphicsRectItem
{
public:
AlignButtonItem(IAlignable::AlignType alignType, const QString &identifier, IAlignable *alignable, QGraphicsItem *parent)
: QGraphicsRectItem(parent),
m_alignType(alignType),
m_identifier(identifier),
m_alignable(alignable),
m_pixmapItem(new QGraphicsPixmapItem(this))
{
setBrush(QBrush(QColor(192, 192, 192)));
setPen(QPen(QColor(64, 64, 64)));
}
QString identifier() const { return m_identifier; }
void paint(QPainter *painter, const QStyleOptionGraphicsItem *option, QWidget *widget) final
{
Q_UNUSED(option)
Q_UNUSED(widget)
painter->save();
painter->setPen(pen());
painter->setBrush(brush());
painter->drawRoundedRect(rect(), 3, 3);
painter->restore();
}
void mousePressEvent(QGraphicsSceneMouseEvent *event) final
{
Q_UNUSED(event)
}
void mouseReleaseEvent(QGraphicsSceneMouseEvent *event) final
{
if (contains(event->pos()))
m_alignable->align(m_alignType, m_identifier);
}
void setPixmap(const QPixmap &pixmap)
{
setRect(0.0, 0.0, pixmap.width() + 2 * InnerBorder, pixmap.height() + 2 * InnerBorder);
m_pixmapItem->setPos(InnerBorder, InnerBorder);
m_pixmapItem->setPixmap(pixmap);
}
private:
IAlignable::AlignType m_alignType = IAlignable::AlignLeft;
QString m_identifier;
IAlignable *m_alignable = nullptr;
QGraphicsPixmapItem *m_pixmapItem = nullptr;
};
AlignButtonsItem::AlignButtonsItem(IAlignable *alignable, QGraphicsItem *parent)
: QGraphicsItem(parent),
m_alignable(alignable)
{
}
AlignButtonsItem::~AlignButtonsItem()
{
qDeleteAll(m_alignItems);
}
QRectF AlignButtonsItem::boundingRect() const
{
return childrenBoundingRect();
}
void AlignButtonsItem::paint(QPainter *painter, const QStyleOptionGraphicsItem *option, QWidget *widget)
{
Q_UNUSED(painter)
Q_UNUSED(option)
Q_UNUSED(widget)
}
void AlignButtonsItem::clear()
{
qDeleteAll(m_alignItems);
m_alignItems.clear();
}
void AlignButtonsItem::addButton(IAlignable::AlignType alignType, const QString &identifier, qreal pos)
{
auto item = new AlignButtonItem(alignType, identifier, m_alignable, this);
switch (alignType) {
case IAlignable::AlignLeft:
{
static const QPixmap alignLeftPixmap = QPixmap(":/modelinglib/25x25/align-left.png").scaled(NormalPixmapWidth, NormalPixmapHeight, Qt::IgnoreAspectRatio, Qt::SmoothTransformation);
item->setPixmap(alignLeftPixmap);
item->setPos(pos - InnerBorder - 3.0, 0); // subtract additional shift of image within pixmap
break;
}
case IAlignable::AlignRight:
{
static const QPixmap alignRightPixmap = QPixmap(":/modelinglib/25x25/align-right.png").scaled(NormalPixmapWidth, NormalPixmapHeight, Qt::IgnoreAspectRatio, Qt::SmoothTransformation);
item->setPixmap(alignRightPixmap);
item->setPos(pos - item->boundingRect().width() + InnerBorder + 3.0, 0);
break;
}
case IAlignable::AlignTop:
{
static const QPixmap alignTopPixmap = QPixmap(":/modelinglib/25x25/align-top.png").scaled(NormalPixmapWidth, NormalPixmapHeight, Qt::IgnoreAspectRatio, Qt::SmoothTransformation);
item->setPixmap(alignTopPixmap);
item->setPos(0, pos - InnerBorder - 3.0);
break;
}
case IAlignable::AlignBottom:
{
static const QPixmap alignBottomPixmap = QPixmap(":/modelinglib/25x25/align-bottom.png").scaled(NormalPixmapWidth, NormalPixmapHeight, Qt::IgnoreAspectRatio, Qt::SmoothTransformation);
item->setPixmap(alignBottomPixmap);
item->setPos(0, pos - item->boundingRect().height() + InnerBorder + 3.0);
break;
}
case IAlignable::AlignHcenter:
{
static const QPixmap alignHorizontalPixmap = QPixmap(":/modelinglib/25x25/align-horizontal.png").scaled(NormalPixmapWidth, NormalPixmapHeight, Qt::IgnoreAspectRatio, Qt::SmoothTransformation);
item->setPixmap(alignHorizontalPixmap);
item->setPos(pos - item->boundingRect().center().x(), 0);
break;
}
case IAlignable::AlignVcenter:
{
static const QPixmap alignVerticalPixmap = QPixmap(":/modelinglib/25x25/align-vertical.png").scaled(NormalPixmapWidth, NormalPixmapHeight, Qt::IgnoreAspectRatio, Qt::SmoothTransformation);
item->setPixmap(alignVerticalPixmap);
item->setPos(0, pos - item->boundingRect().center().y());
break;
}
case IAlignable::AlignWidth:
case IAlignable::AlignHeight:
case IAlignable::AlignSize:
case IAlignable::AlignHCenterDistance:
case IAlignable::AlignVCenterDistance:
case IAlignable::AlignHBorderDistance:
case IAlignable::AlignVBorderDistance:
QMT_CHECK(false);
break;
}
m_alignItems.append(item);
}
} // namespace qmt
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