valentina/src/libs/vtools/tools/vtextgraphicsitem.cpp

194 lines
6.4 KiB
C++

/************************************************************************
**
** @file vtextgraphicsitem.h
** @author Bojan Kverh
** @date June 16, 2016
**
** @brief
** @copyright
** This source code is part of the Valentine project, a pattern making
** program, whose allow create and modeling patterns of clothing.
** Copyright (C) 2013-2015 Valentina project
** <https://bitbucket.org/dismine/valentina> All Rights Reserved.
**
** Valentina is free software: you can redistribute it and/or modify
** it under the terms of the GNU General Public License as published by
** the Free Software Foundation, either version 3 of the License, or
** (at your option) any later version.
**
** Valentina is distributed in the hope that it will be useful,
** but WITHOUT ANY WARRANTY; without even the implied warranty of
** MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
** GNU General Public License for more details.
**
** You should have received a copy of the GNU General Public License
** along with Valentina. If not, see <http://www.gnu.org/licenses/>.
**
*************************************************************************/
#include <QPainter>
#include <QStyleOptionGraphicsItem>
#include <QGraphicsSceneMouseEvent>
#include <QDebug>
#include "vtextgraphicsitem.h"
#define RESIZE_SQUARE 30
//---------------------------------------------------------------------------------------------------------------------
VTextGraphicsItem::VTextGraphicsItem(QGraphicsItem* pParent)
: QGraphicsTextItem(pParent)
{
setFlag(QGraphicsItem::ItemIsMovable, true);
setFlag(QGraphicsItem::ItemIsSelectable, true);
m_eMode = mNormal;
m_iMinW = 100;
}
//---------------------------------------------------------------------------------------------------------------------
VTextGraphicsItem::~VTextGraphicsItem()
{}
//---------------------------------------------------------------------------------------------------------------------
void VTextGraphicsItem::paint(QPainter *painter, const QStyleOptionGraphicsItem *option, QWidget *widget)
{
painter->fillRect(option->rect, QColor(251, 251, 175));
QGraphicsTextItem::paint(painter, option, widget);
if (m_eMode != mNormal)
{
painter->setPen(QPen(Qt::black, 2, Qt::DashLine));
painter->drawRect(boundingRect().adjusted(1, 1, -1, -1));
painter->setPen(Qt::black);
painter->setBrush(Qt::black);
SetResizeArea();
painter->drawRect(m_rectResize);
}
}
//---------------------------------------------------------------------------------------------------------------------
void VTextGraphicsItem::SetMinimalWidth(int iW)
{
m_iMinW = iW;
setTextWidth(m_iMinW);
}
//---------------------------------------------------------------------------------------------------------------------
void VTextGraphicsItem::Reset()
{
m_eMode = mNormal;
Update();
}
//---------------------------------------------------------------------------------------------------------------------
void VTextGraphicsItem::SetHTML(const QString& qsHTML)
{
QGraphicsTextItem::setHtml(qsHTML);
m_iMinFontSize = font().pixelSize();
m_iMinH = boundingRect().height();
}
//---------------------------------------------------------------------------------------------------------------------
void VTextGraphicsItem::mousePressEvent(QGraphicsSceneMouseEvent *pME)
{
if ((pME->button() & Qt::LeftButton) > 0)
{
SetResizeArea();
if (m_rectResize.contains(pME->pos()) == true)
{
m_eMode = mResize;
m_iCurrentH = boundingRect().height();
}
else
{
m_eMode = mMove;
}
qDebug() << "MOUSEPRESS" << m_rectResize << pME->pos() << int(m_eMode);
Update();
m_ptStart = pME->pos();
}
}
//---------------------------------------------------------------------------------------------------------------------
void VTextGraphicsItem::mouseMoveEvent(QGraphicsSceneMouseEvent *pME)
{
if (m_eMode == mMove)
{
m_eMode = mMove;
QPointF ptRel = pME->pos() - m_ptStart;
moveBy(ptRel.x(), ptRel.y());
}
else if (m_eMode == mResize)
{
prepareGeometryChange();
int iNewW = textWidth() + pME->pos().x() - m_ptStart.x();
m_iCurrentH += pME->pos().y() - m_ptStart.y();
if (iNewW >= m_iMinW)
{
setTextWidth(iNewW);
m_ptStart.setX(pME->pos().x());
Update();
}
if (m_iCurrentH >= m_iMinH)
{
int iFontSize = m_iMinFontSize*m_iCurrentH/m_iMinH;
if (iFontSize > m_iMinFontSize*2)
{
// prevent too big letters
return;
}
QFont fnt = font();
fnt.setPixelSize(iFontSize);
setFont(fnt);
m_ptStart.setY(pME->pos().y());
Update();
}
}
}
//---------------------------------------------------------------------------------------------------------------------
void VTextGraphicsItem::mouseReleaseEvent(QGraphicsSceneMouseEvent *pME)
{
if ((pME->button() & Qt::LeftButton) > 0)
{
if (m_eMode == mMove)
{
m_eMode = mActivated;
emit SignalMoved(pos());
}
else if (m_eMode == mResize)
{
m_eMode = mActivated;
emit SignalResized(textWidth(), font().pixelSize());
}
Update();
}
}
//---------------------------------------------------------------------------------------------------------------------
void VTextGraphicsItem::Update()
{
update(boundingRect());
}
//---------------------------------------------------------------------------------------------------------------------
void VTextGraphicsItem::SetResizeArea()
{
m_rectResize.setLeft(boundingRect().right() - RESIZE_SQUARE);
m_rectResize.setTop(boundingRect().bottom() - RESIZE_SQUARE);
m_rectResize.setWidth(RESIZE_SQUARE);
m_rectResize.setHeight(RESIZE_SQUARE);
}
//---------------------------------------------------------------------------------------------------------------------
void VTextGraphicsItem::setHtml(const QString &qsHtml)
{
Q_UNUSED(qsHtml);
// prevent using this method! Use SetHTML instead!
}
//---------------------------------------------------------------------------------------------------------------------