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Implemented interactive resizing for grainline item

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--HG--
branch : feature
This commit is contained in:
BojanKverh 2016-10-11 00:27:14 +02:00
parent bc345231ea
commit dc36337663
4 changed files with 111 additions and 13 deletions
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100
src/libs/vtools/tools/vgrainlineitem.cpp
View file

@ -41,6 +41,7 @@
#define ARROW_ANGLE 0.35
#define ARROW_LENGTH 15
#define RECT_WIDTH 30
#define RESIZE_RECT_SIZE 10
#define ACTIVE_Z 10
#define INACTIVE_Z 5
@ -51,7 +52,7 @@
*/
VGrainlineItem::VGrainlineItem(QGraphicsItem* pParent)
:QGraphicsObject(pParent), m_eMode(VGrainlineItem::mNormal), m_dRotation(0), m_dLength(0), m_rectBoundingBox(),
m_polyBound(), m_ptStartPos(), m_ptStartMove(), m_dScale(1)
m_polyBound(), m_ptStartPos(), m_ptStartMove(), m_dScale(1), m_polyResize()
{
m_rectBoundingBox.setTopLeft(QPointF(0, 0));
setAcceptHoverEvents(true);
@ -120,6 +121,17 @@ void VGrainlineItem::paint(QPainter* pP, const QStyleOptionGraphicsItem* pOption
pP->setBrush(Qt::NoBrush);
// bounding polygon
pP->drawPolygon(m_polyBound);
pP->setBrush(clr);
pP->drawPolygon(m_polyResize);
pP->setBrush(Qt::NoBrush);
if (m_eMode == mResize)
{
pP->drawLine(m_polyBound.at(0), m_polyBound.at(2));
pP->drawLine(m_polyBound.at(1), m_polyBound.at(3));
}
}
pP->restore();
}
@ -250,6 +262,7 @@ bool VGrainlineItem::IsContained(const QPointF& pt, qreal &dX, qreal &dY) const
void VGrainlineItem::SetScale(qreal dScale)
{
m_dScale = dScale;
UpdateRectangle();
UpdateBox();
}
@ -262,13 +275,23 @@ void VGrainlineItem::mousePressEvent(QGraphicsSceneMouseEvent* pME)
{
if (pME->button() == Qt::LeftButton)
{
m_eMode = mMove;
setZValue(ACTIVE_Z);
m_ptStartPos = pos();
m_ptStartMove = pME->scenePos();
UpdateBox();
SetOverrideCursor(cursorArrowCloseHand, 1, 1);
m_dStartLength = m_dLength;
if (m_polyResize.containsPoint(pME->pos(), Qt::OddEvenFill) == true)
{
m_eMode = mResize;
SetOverrideCursor(Qt::SizeFDiagCursor);
}
else
{
m_eMode = mMove;
SetOverrideCursor(cursorArrowCloseHand, 1, 1);
}
}
setZValue(ACTIVE_Z);
UpdateBox();
}
//---------------------------------------------------------------------------------------------------------------------
@ -278,9 +301,9 @@ void VGrainlineItem::mousePressEvent(QGraphicsSceneMouseEvent* pME)
*/
void VGrainlineItem::mouseMoveEvent(QGraphicsSceneMouseEvent* pME)
{
QPointF ptDiff = pME->scenePos() - m_ptStartMove;
if (m_eMode == mMove)
{
QPointF ptDiff = pME->scenePos() - m_ptStartMove;
QPointF pt = m_ptStartPos + ptDiff;
qreal dX;
qreal dY;
@ -290,6 +313,22 @@ void VGrainlineItem::mouseMoveEvent(QGraphicsSceneMouseEvent* pME)
pt.setY(pt.y() + dY);
}
setPos(pt);
UpdateBox();
}
else if (m_eMode == mResize)
{
qreal dLen = qSqrt(ptDiff.x()*ptDiff.x() + ptDiff.y()*ptDiff.y());
qreal dAng = qAtan2(ptDiff.y(), ptDiff.x());
dLen = dLen*qCos(dAng - m_dRotation);
qreal dPrevLen = m_dLength;
// try with new length
m_dLength = m_dStartLength + dLen;
qreal dX;
qreal dY;
if (IsContained(m_ptStartPos, dX, dY) == false)
{
m_dLength = dPrevLen;
}
UpdateRectangle();
UpdateBox();
}
@ -307,14 +346,35 @@ void VGrainlineItem::mouseReleaseEvent(QGraphicsSceneMouseEvent* pME)
{
if (m_eMode == mMove)
{
qreal dD = fabs(pME->scenePos().x() - m_ptStartMove.x()) + fabs(pME->scenePos().y() - m_ptStartMove.y());
bool bShort = (dD < 2);
if (bShort == false)
RestoreOverrideCursor(cursorArrowCloseHand);
}
else if (m_eMode == mResize)
{
RestoreOverrideCursor(Qt::SizeFDiagCursor);
}
qreal dD = fabs(pME->scenePos().x() - m_ptStartMove.x()) + fabs(pME->scenePos().y() - m_ptStartMove.y());
bool bShort = (dD < 2);
if (m_eMode == mMove || m_eMode == mResize)
{
if (bShort == true)
{
emit SignalMoved(pos());
// TODO: switch to rotate mode
}
else
{
if (m_eMode == mMove)
{
emit SignalMoved(pos());
}
else
{
emit SignalResized(m_dLength);
}
UpdateBox();
}
}
RestoreOverrideCursor(cursorArrowCloseHand);
}
}
@ -356,5 +416,23 @@ void VGrainlineItem::UpdateRectangle()
m_polyBound << ptA;
m_rectBoundingBox = m_polyBound.boundingRect();
setTransformOriginPoint(m_rectBoundingBox.center());
m_polyResize.clear();
ptA = m_polyBound.at(2);
m_polyResize << ptA;
double dSize = m_dScale * RESIZE_RECT_SIZE;
ptA.setX(ptA.x() + dSize*cos(m_dRotation + M_PI/2));
ptA.setY(ptA.y() + dSize*sin(m_dRotation + M_PI/2));
m_polyResize << ptA;
ptA.setX(ptA.x() - dSize*cos(m_dRotation));
ptA.setY(ptA.y() - dSize*sin(m_dRotation));
m_polyResize << ptA;
ptA.setX(ptA.x() + dSize*cos(m_dRotation - M_PI/2));
ptA.setY(ptA.y() + dSize*sin(m_dRotation - M_PI/2));
m_polyResize << ptA;
prepareGeometryChange();
}

8
src/libs/vtools/tools/vgrainlineitem.h
View file

@ -44,7 +44,8 @@ class VGrainlineItem : public QGraphicsObject
enum Mode {
mNormal,
mMove
mMove,
mResize
};
public:
@ -69,16 +70,19 @@ protected:
signals:
void SignalMoved(const QPointF& ptPos);
void SignalResized(qreal dLength);
private:
Mode m_eMode;
qreal m_dRotation;
qreal m_dLength;
QRectF m_rectBoundingBox;
QPolygonF m_polyBound;
QPolygonF m_polyBound;
QPointF m_ptStartPos;
QPointF m_ptStartMove;
qreal m_dScale;
QPolygonF m_polyResize;
qreal m_dStartLength;
};
#endif // VGRAINLINEITEM_H

15
src/libs/vtools/tools/vtooldetail.cpp
View file

@ -205,6 +205,7 @@ VToolDetail::VToolDetail(VAbstractPattern *doc, VContainer *data, const quint32
connect(patternInfo, &VTextGraphicsItem::SignalRotated, this, &VToolDetail::SaveRotationPattern);
connect(grainLine, &VGrainlineItem::SignalMoved, this, &VToolDetail::SaveMoveGrainline);
connect(grainLine, &VGrainlineItem::SignalResized, this, &VToolDetail::SaveResizeGrainline);
connect(doc, &VAbstractPattern::patternChanged, this, &VToolDetail::UpdatePatternInfo);
connect(doc, &VAbstractPattern::CheckLayout, this, &VToolDetail::UpdateLabel);
@ -1067,6 +1068,20 @@ void VToolDetail::SaveMoveGrainline(const QPointF& ptPos)
qApp->getUndoStack()->push(moveCommand);
}
//---------------------------------------------------------------------------------------------------------------------
void VToolDetail::SaveResizeGrainline(qreal dLength)
{
VDetail oldDet = VAbstractTool::data.GetDetail(id);
VDetail newDet = oldDet;
dLength = FromPixel(dLength, *VDataTool::data.GetPatternUnit());
newDet.GetGrainlineGeometry().SetLength(qApp->LocaleToString(dLength));
SaveDetailOptions* moveCommand = new SaveDetailOptions(oldDet, newDet, doc, id, this->scene());
moveCommand->setText(tr("resize grainline"));
connect(moveCommand, &SaveDetailOptions::NeedLiteParsing, doc, &VAbstractPattern::LiteParseTree);
qApp->getUndoStack()->push(moveCommand);
}
//---------------------------------------------------------------------------------------------------------------------
/**
* @brief AddNode add node to the file.

1
src/libs/vtools/tools/vtooldetail.h
View file

@ -128,6 +128,7 @@ protected slots:
virtual void SaveResizePattern(qreal dLabelW, int iFontSize);
virtual void SaveRotationPattern(qreal dRot);
virtual void SaveMoveGrainline(const QPointF& ptPos);
virtual void SaveResizeGrainline(qreal dLength);
private:
Q_DISABLE_COPY(VToolDetail)