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