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Labels now cannot go outside the detail bounding box with any operation (move, resize or rotate)

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--HG--
branch : feature
This commit is contained in:
BojanKverh 2016-07-14 02:10:27 +02:00
parent f7ebda3c6e
commit 634d8773de
3 changed files with 135 additions and 41 deletions
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127
src/libs/vtools/tools/vtextgraphicsitem.cpp
View file

@ -194,6 +194,39 @@ void VTextGraphicsItem::Update()
UpdateBox();
}
//---------------------------------------------------------------------------------------------------------------------
bool VTextGraphicsItem::IsContained(QRectF rectBB, qreal dRot, qreal &dX, qreal &dY) const
{
QRectF rectParent = parentItem()->boundingRect();
rectBB = GetBoundingRect(rectBB, dRot);
dX = 0;
dY = 0;
if (rectParent.contains(rectBB) == false)
{
if (rectParent.left() - rectBB.left() > fabs(dX))
{
dX = rectParent.left() - rectBB.left();
}
else if (rectBB.right() - rectParent.right() > fabs(dX))
{
dX = rectParent.right() - rectBB.right();
}
if (rectParent.top() - rectBB.top() > fabs(dY))
{
dY = rectParent.top() - rectBB.top();
}
else if (rectBB.bottom() - rectParent.bottom() > fabs(dY))
{
dY = rectParent.bottom() - rectBB.bottom();
}
return false;
}
return true;
}
//---------------------------------------------------------------------------------------------------------------------
int VTextGraphicsItem::GetFontSize() const
{
@ -238,33 +271,38 @@ void VTextGraphicsItem::mousePressEvent(QGraphicsSceneMouseEvent *pME)
//---------------------------------------------------------------------------------------------------------------------
void VTextGraphicsItem::mouseMoveEvent(QGraphicsSceneMouseEvent* pME)
{
qreal dX;
qreal dY;
QRectF rectBB;
QPointF ptDiff = pME->scenePos() - m_ptStart;
if (m_eMode == mMove)
{
QPointF pt = m_ptStartPos + ptDiff;
pt.setX(pt.x() + m_rectBoundingBox.width()/2);
pt.setY(pt.y() + m_rectBoundingBox.height()/2);
QRectF rectBB = parentItem()->boundingRect();
if (rectBB.contains(pt) == false)
rectBB.setTopLeft(pt);
rectBB.setWidth(m_rectBoundingBox.width());
rectBB.setHeight(m_rectBoundingBox.height());
if (IsContained(rectBB, rotation(), dX, dY) == false)
{
pt.setX(qMin(rectBB.right(), qMax(pt.x(), rectBB.left())));
pt.setY(qMin(rectBB.bottom(), qMax(pt.y(), rectBB.top())));
pt.setX(pt.x() + dX);
pt.setY(pt.y() + dY);
}
pt.setX(pt.x() - m_rectBoundingBox.width()/2);
pt.setY(pt.y() - m_rectBoundingBox.height()/2);
setPos(pt);
UpdateBox();
}
else if (m_eMode == mResize)
{
QPointF pt = m_ptStartPos;
pt.setX(pt.x() + (m_szStart.width() + ptDiff.x())/2);
pt.setY(pt.y() + (m_szStart.height() + ptDiff.y())/2);
if (parentItem()->boundingRect().contains(pt) == true) {
SetSize(m_szStart.width() + ptDiff.x(), m_szStart.height() + ptDiff.y());
Update();
emit SignalShrink();
rectBB.setTopLeft(pt);
QSize sz(m_szStart.width() + ptDiff.x(), m_szStart.height() + ptDiff.y());
rectBB.setSize(sz);
if (IsContained(rectBB, rotation(), dX, dY) == false) {
sz.setWidth(sz.width() + dX);
sz.setHeight(sz.height() + dY);
}
SetSize(sz.width(), sz.height());
Update();
emit SignalShrink();
}
else if (m_eMode == mRotate)
{
@ -274,9 +312,14 @@ void VTextGraphicsItem::mouseMoveEvent(QGraphicsSceneMouseEvent* pME)
return;
}
double dAng = 180*(GetAngle(pME->scenePos()) - m_dAngle)/M_PI;
setRotation(m_dRotation + dAng);
//emit SignalRotated(rotation());
Update();
rectBB.setTopLeft(m_ptStartPos);
rectBB.setWidth(m_rectBoundingBox.width());
rectBB.setHeight(m_rectBoundingBox.height());
if (IsContained(rectBB, m_dRotation + dAng, dX, dY) == true)
{
setRotation(m_dRotation + dAng);
Update();
}
}
}
@ -421,3 +464,53 @@ double VTextGraphicsItem::GetAngle(QPointF pt) const
else
return atan2(dY, dX);
}
//---------------------------------------------------------------------------------------------------------------------
QRectF VTextGraphicsItem::GetBoundingRect(QRectF rectBB, qreal dRot) const
{
QPointF apt[4] = { rectBB.topLeft(), rectBB.topRight(), rectBB.bottomLeft(), rectBB.bottomRight() };
QPointF ptCenter = rectBB.center();
qreal dX1 = 0;
qreal dX2 = 0;
qreal dY1 = 0;
qreal dY2 = 0;
double dAng = M_PI*dRot/180;
for (int i = 0; i < 4; ++i)
{
QPointF pt = apt[i] - ptCenter;
qreal dX = pt.x()*cos(dAng) + pt.y()*sin(dAng);
qreal dY = -pt.x()*sin(dAng) + pt.y()*cos(dAng);
if (i == 0)
{
dX1 = dX2 = dX;
dY1 = dY2 = dY;
}
else
{
if (dX < dX1)
{
dX1 = dX;
}
else if (dX > dX2)
{
dX2 = dX;
}
if (dY < dY1)
{
dY1 = dY;
}
else if (dY > dY2)
{
dY2 = dY;
}
}
}
QRectF rect;
rect.setTopLeft(ptCenter + QPointF(dX1, dY1));
rect.setWidth(dX2 - dX1);
rect.setHeight(dY2 - dY1);
return rect;
}

3
src/libs/vtools/tools/vtextgraphicsitem.h
View file

@ -71,6 +71,7 @@ public:
void Clear();
void SetSize(qreal fW, qreal fH);
void Update();
bool IsContained(QRectF rectBB, qreal dRot, qreal& dX, qreal& dY) const;
protected:
void mousePressEvent(QGraphicsSceneMouseEvent* pME);
@ -104,6 +105,8 @@ private:
QFont m_font;
QList<TextLine> m_liLines;
QList<TextLine> m_liOutput;
QRectF GetBoundingRect(QRectF rectBB, qreal dRot) const;
};
#endif // VTEXTGRAPHICSITEM_H

46
src/libs/vtools/tools/vtooldetail.cpp
View file

@ -714,20 +714,19 @@ void VToolDetail::UpdateLabel()
}
}
QPointF pt = data.GetPos() + QPointF(data.GetLabelWidth()/2, data.GetLabelHeight()/2);
// check if center is inside
if (boundingRect().contains(pt) == false)
QPointF pt = data.GetPos();
QRectF rectBB;
rectBB.setTopLeft(pt);
rectBB.setWidth(data.GetLabelWidth());
rectBB.setHeight(data.GetLabelHeight());
qreal dX;
qreal dY;
if (dataLabel->IsContained(rectBB, data.GetRotation(), dX, dY) == false)
{
QRectF rect = boundingRect();
pt.setX(qMin(rect.right(), qMax(pt.x(), rect.left())));
pt.setY(qMin(rect.bottom(), qMax(pt.y(), rect.top())));
pt.setX(pt.x() - data.GetLabelWidth()/2);
pt.setY(pt.y() - data.GetLabelHeight()/2);
}
else
{
pt = data.GetPos();
pt.setX(pt.x() + dX);
pt.setY(pt.y() + dY);
}
dataLabel->setPos(pt);
dataLabel->setRotation(data.GetRotation());
dataLabel->Update();
@ -792,20 +791,19 @@ void VToolDetail::UpdatePatternInfo()
tl.m_qsText = qslDate.last();
patternInfo->AddLine(tl);
// check if center is inside
QPointF pt = geom.GetPos() + QPointF(geom.GetLabelWidth()/2, geom.GetLabelHeight()/2);
if (boundingRect().contains(pt) == false)
QPointF pt = geom.GetPos();
QRectF rectBB;
rectBB.setTopLeft(pt);
rectBB.setWidth(geom.GetLabelWidth());
rectBB.setHeight(geom.GetLabelHeight());
qreal dX;
qreal dY;
if (patternInfo->IsContained(rectBB, geom.GetRotation(), dX, dY) == false)
{
QRectF rect = boundingRect();
pt.setX(qMin(rect.right(), qMax(pt.x(), rect.left())));
pt.setY(qMin(rect.bottom(), qMax(pt.y(), rect.top())));
pt.setX(pt.x() - geom.GetLabelWidth()/2);
pt.setY(pt.y() - geom.GetLabelHeight()/2);
}
else
{
pt = geom.GetPos();
pt.setX(pt.x() + dX);
pt.setY(pt.y() + dY);
}
patternInfo->setPos(pt);
patternInfo->setRotation(geom.GetRotation());
patternInfo->Update();