269 lines
11 KiB
C++
269 lines
11 KiB
C++
/************************************************************************
|
|
**
|
|
** @file vcontrolpointspline.cpp
|
|
** @author Roman Telezhynskyi <dismine(at)gmail.com>
|
|
** @date November 15, 2013
|
|
**
|
|
** @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 "vcontrolpointspline.h"
|
|
|
|
#include <QGraphicsSceneMouseEvent>
|
|
#include <QGraphicsView>
|
|
#include <QPen>
|
|
#include <QStyleOptionGraphicsItem>
|
|
|
|
#include "vmaingraphicsview.h"
|
|
#include "vmaingraphicsscene.h"
|
|
|
|
//---------------------------------------------------------------------------------------------------------------------
|
|
VControlPointSpline::VControlPointSpline(const qint32 &indexSpline, SplinePointPosition position, Unit patternUnit,
|
|
QGraphicsItem *parent)
|
|
:QGraphicsEllipseItem(parent),
|
|
radius(CircleRadius()),
|
|
controlLine(nullptr),
|
|
indexSpline(indexSpline),
|
|
position(position),
|
|
patternUnit(patternUnit)
|
|
{
|
|
Init();
|
|
}
|
|
|
|
//---------------------------------------------------------------------------------------------------------------------
|
|
/**
|
|
* @brief VControlPointSpline constructor.
|
|
* @param indexSpline index spline in list.
|
|
* @param position position point in spline.
|
|
* @param controlPoint control point.
|
|
* @param splinePoint spline point.
|
|
* @param parent parent object.
|
|
*/
|
|
VControlPointSpline::VControlPointSpline(const qint32 &indexSpline, SplinePointPosition position,
|
|
const QPointF &controlPoint, const QPointF &splinePoint, Unit patternUnit,
|
|
QGraphicsItem *parent)
|
|
:QGraphicsEllipseItem(parent),
|
|
radius(CircleRadius()),
|
|
controlLine(nullptr),
|
|
indexSpline(indexSpline),
|
|
position(position),
|
|
patternUnit(patternUnit)
|
|
{
|
|
Init();
|
|
|
|
this->setFlag(QGraphicsItem::ItemIsSelectable, true);
|
|
this->setFlag(QGraphicsItem::ItemIsMovable, true);
|
|
this->setFlag(QGraphicsItem::ItemSendsGeometryChanges, true);
|
|
this->setAcceptHoverEvents(true);
|
|
this->setPos(controlPoint);
|
|
|
|
SetCtrlLine(controlPoint, splinePoint);
|
|
}
|
|
|
|
//---------------------------------------------------------------------------------------------------------------------
|
|
VControlPointSpline::~VControlPointSpline()
|
|
{
|
|
//Disable cursor-arrow-openhand
|
|
RestoreOverrideCursor(cursorArrowOpenHand);
|
|
}
|
|
|
|
//---------------------------------------------------------------------------------------------------------------------
|
|
void VControlPointSpline::paint(QPainter *painter, const QStyleOptionGraphicsItem *option, QWidget *widget)
|
|
{
|
|
/* From question on StackOverflow
|
|
* https://stackoverflow.com/questions/10985028/how-to-remove-border-around-qgraphicsitem-when-selected
|
|
*
|
|
* There's no interface to disable the drawing of the selection border for the build-in QGraphicsItems. The only way
|
|
* I can think of is derive your own items from the build-in ones and override the paint() function:*/
|
|
QStyleOptionGraphicsItem myOption(*option);
|
|
myOption.state &= ~QStyle::State_Selected;
|
|
QGraphicsEllipseItem::paint(painter, &myOption, widget);
|
|
}
|
|
|
|
//---------------------------------------------------------------------------------------------------------------------
|
|
/**
|
|
* @brief hoverEnterEvent handle hover enter events.
|
|
* @param event hover move event.
|
|
*/
|
|
void VControlPointSpline::hoverEnterEvent(QGraphicsSceneHoverEvent *event)
|
|
{
|
|
this->setPen(QPen(Qt::black, ToPixel(WidthMainLine(patternUnit), patternUnit)));
|
|
SetOverrideCursor(cursorArrowOpenHand, 1, 1);
|
|
QGraphicsEllipseItem::hoverEnterEvent(event);
|
|
}
|
|
|
|
//---------------------------------------------------------------------------------------------------------------------
|
|
void VControlPointSpline::hoverLeaveEvent(QGraphicsSceneHoverEvent *event)
|
|
{
|
|
this->setPen(QPen(Qt::black, ToPixel(WidthHairLine(patternUnit), patternUnit)));
|
|
//Disable cursor-arrow-openhand
|
|
RestoreOverrideCursor(cursorArrowOpenHand);
|
|
QGraphicsEllipseItem::hoverLeaveEvent(event);
|
|
}
|
|
|
|
//---------------------------------------------------------------------------------------------------------------------
|
|
/**
|
|
* @brief itemChange handle item change.
|
|
* @param change change.
|
|
* @param value value.
|
|
* @return value.
|
|
*/
|
|
QVariant VControlPointSpline::itemChange(QGraphicsItem::GraphicsItemChange change, const QVariant &value)
|
|
{
|
|
if (change == ItemPositionChange && scene())
|
|
{
|
|
// Each time we move something we call recalculation scene rect. In some cases this can cause moving
|
|
// objects positions. And this cause infinite redrawing. That's why we wait the finish of saving the last move.
|
|
static bool changeFinished = true;
|
|
if (changeFinished)
|
|
{
|
|
changeFinished = false;
|
|
// value - new position.
|
|
QPointF newPos = value.toPointF();
|
|
emit ControlPointChangePosition(indexSpline, position, newPos);
|
|
if (scene())
|
|
{
|
|
const QList<QGraphicsView *> viewList = scene()->views();
|
|
if (not viewList.isEmpty())
|
|
{
|
|
if (QGraphicsView *view = viewList.at(0))
|
|
{
|
|
const int xmargin = 50;
|
|
const int ymargin = 50;
|
|
|
|
const QRectF viewRect = VMainGraphicsView::SceneVisibleArea(view);
|
|
const QRectF itemRect = mapToScene(boundingRect()).boundingRect();
|
|
|
|
// If item's rect is bigger than view's rect ensureVisible works very unstable.
|
|
if (itemRect.height() + 2*ymargin < viewRect.height() &&
|
|
itemRect.width() + 2*xmargin < viewRect.width())
|
|
{
|
|
view->ensureVisible(itemRect, xmargin, ymargin);
|
|
}
|
|
else
|
|
{
|
|
// Ensure visible only small rect around a cursor
|
|
VMainGraphicsScene *currentScene = qobject_cast<VMainGraphicsScene *>(scene());
|
|
SCASSERT(currentScene);
|
|
const QPointF cursorPosition = currentScene->getScenePos();
|
|
view->ensureVisible(QRectF(cursorPosition.x()-5, cursorPosition.y()-5, 10, 10));
|
|
}
|
|
}
|
|
}
|
|
}
|
|
changeFinished = true;
|
|
}
|
|
}
|
|
return QGraphicsItem::itemChange(change, value);
|
|
}
|
|
|
|
//---------------------------------------------------------------------------------------------------------------------
|
|
void VControlPointSpline::mousePressEvent(QGraphicsSceneMouseEvent *event)
|
|
{
|
|
if (event->button() == Qt::LeftButton && event->type() != QEvent::GraphicsSceneMouseDoubleClick)
|
|
{
|
|
SetOverrideCursor(cursorArrowCloseHand, 1, 1);
|
|
}
|
|
QGraphicsEllipseItem::mousePressEvent(event);
|
|
}
|
|
|
|
//---------------------------------------------------------------------------------------------------------------------
|
|
void VControlPointSpline::mouseReleaseEvent(QGraphicsSceneMouseEvent *event)
|
|
{
|
|
if (event->button() == Qt::LeftButton && event->type() != QEvent::GraphicsSceneMouseDoubleClick)
|
|
{
|
|
//Disable cursor-arrow-closehand
|
|
RestoreOverrideCursor(cursorArrowCloseHand);
|
|
}
|
|
QGraphicsEllipseItem::mouseReleaseEvent(event);
|
|
}
|
|
|
|
//---------------------------------------------------------------------------------------------------------------------
|
|
void VControlPointSpline::contextMenuEvent(QGraphicsSceneContextMenuEvent *event)
|
|
{
|
|
emit ShowContextMenu(event);
|
|
}
|
|
|
|
//---------------------------------------------------------------------------------------------------------------------
|
|
void VControlPointSpline::Init()
|
|
{
|
|
auto rec = QRectF(0, 0, radius*2, radius*2);
|
|
rec.translate(-rec.center().x(), -rec.center().y());
|
|
this->setRect(rec);
|
|
this->setPen(QPen(Qt::black, ToPixel(WidthHairLine(patternUnit), patternUnit)));
|
|
this->setBrush(QBrush(Qt::NoBrush));
|
|
this->setZValue(100);
|
|
|
|
controlLine = new QGraphicsLineItem(this);
|
|
controlLine->setPen(QPen(Qt::red, ToPixel(WidthHairLine(patternUnit), patternUnit)));
|
|
controlLine->setFlag(QGraphicsItem::ItemStacksBehindParent, true);
|
|
}
|
|
|
|
//---------------------------------------------------------------------------------------------------------------------
|
|
void VControlPointSpline::SetCtrlLine(const QPointF &controlPoint, const QPointF &splinePoint)
|
|
{
|
|
QPointF p1, p2;
|
|
VGObject::LineIntersectCircle(QPointF(), radius, QLineF( QPointF(), splinePoint-controlPoint), p1, p2);
|
|
controlLine->setLine(QLineF(splinePoint-controlPoint, p1));
|
|
}
|
|
|
|
//---------------------------------------------------------------------------------------------------------------------
|
|
/**
|
|
* @brief RefreshCtrlPoint refresh the control point.
|
|
* @param indexSpline index spline in list.
|
|
* @param pos position point in spline.
|
|
* @param controlPoint control point.
|
|
* @param splinePoint spline point.
|
|
*/
|
|
void VControlPointSpline::RefreshCtrlPoint(const qint32 &indexSpline, SplinePointPosition pos,
|
|
const QPointF &controlPoint, const QPointF &splinePoint)
|
|
{
|
|
if (this->indexSpline == indexSpline && this->position == pos)
|
|
{
|
|
this->setPos(controlPoint);
|
|
SetCtrlLine(controlPoint, splinePoint);
|
|
}
|
|
}
|
|
|
|
//---------------------------------------------------------------------------------------------------------------------
|
|
/**
|
|
* @brief setEnabledPoint disable or enable control point.
|
|
* @param enable true - enable.
|
|
*/
|
|
void VControlPointSpline::setEnabledPoint(bool enable)
|
|
{
|
|
if (enable == true)
|
|
{
|
|
this->setPen(QPen(Qt::black, ToPixel(WidthHairLine(patternUnit), patternUnit)));
|
|
this->setFlag(QGraphicsItem::ItemIsSelectable, true);
|
|
this->setFlag(QGraphicsItem::ItemIsMovable, true);
|
|
this->setAcceptHoverEvents(true);
|
|
}
|
|
else
|
|
{
|
|
this->setPen(QPen(Qt::gray, ToPixel(WidthHairLine(patternUnit), patternUnit)));
|
|
this->setFlag(QGraphicsItem::ItemIsSelectable, false);
|
|
this->setFlag(QGraphicsItem::ItemIsMovable, false);
|
|
this->setAcceptHoverEvents(false);
|
|
}
|
|
}
|