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Element editor : hover a primitve will highlight it with a blue halo

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git-svn-id: svn+ssh://svn.tuxfamily.org/svnroot/qet/qet/trunk@3694 bfdf4180-ca20-0410-9c96-a3a8aa849046
This commit is contained in:
blacksun
2015-02-09 08:57:40 +00:00
parent c5036dfb17
commit 9c6499813c
32 changed files with 1741 additions and 1443 deletions
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111
sources/editor/graphicspart/customelementgraphicpart.cpp
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@@ -20,16 +20,27 @@
/**
* @brief CustomElementGraphicPart::CustomElementGraphicPart
* Default constructor.
* By default, item is selectable, send geometry change (Qt > 4.6),
* accept mouse left button and accept hover event
* @param editor QETElement editor that belong this.
*/
CustomElementGraphicPart::CustomElementGraphicPart(QETElementEditor *editor) :
CustomElementGraphicPart::CustomElementGraphicPart(QETElementEditor *editor, QGraphicsItem *parent) :
QGraphicsObject (parent),
CustomElementPart(editor),
m_hovered (false),
_linestyle(NormalStyle),
_lineweight(NormalWeight),
_filling(NoneFilling),
_color(BlackColor),
_antialiased(false)
{}
{
setFlags(QGraphicsItem::ItemIsSelectable);
#if QT_VERSION >= 0x040600
setFlag(QGraphicsItem::ItemSendsGeometryChanges, true);
#endif
setAcceptedMouseButtons(Qt::LeftButton);
setAcceptHoverEvents(true);
}
/**
* @brief CustomElementGraphicPart::~CustomElementGraphicPart
@@ -37,6 +48,36 @@ CustomElementGraphicPart::CustomElementGraphicPart(QETElementEditor *editor) :
*/
CustomElementGraphicPart::~CustomElementGraphicPart() {}
/**
* @brief CustomElementGraphicPart::drawCross
* Draw a cross at pos center
* @param center : center of cross
* @param painter : painter to use for draw cross,
* the painter state is restored at end of this method.
*/
void CustomElementGraphicPart::drawCross(const QPointF &center, QPainter *painter)
{
painter -> save();
painter -> setRenderHint(QPainter::Antialiasing, false);
painter -> setPen((painter -> brush().color() == QColor(Qt::black) && painter -> brush().isOpaque()) ? Qt::yellow : Qt::blue);
painter -> drawLine(QLineF(center.x() - 2.0, center.y(), center.x() + 2.0, center.y()));
painter -> drawLine(QLineF(center.x(), center.y() - 2.0, center.x(), center.y() + 2.0));
painter -> restore();
}
/**
* @brief CustomElementGraphicPart::penWeight
* @return the weight of pen
*/
qreal CustomElementGraphicPart::penWeight() const
{
if (_lineweight == NoneWeight || _lineweight == ThinWeight) return 0;
else if (_lineweight == NormalWeight) return 1;
else if (_lineweight == UltraWeight) return 2;
else if (_lineweight == BigWeight) return 5;
return 1;
}
/**
* @brief CustomElementGraphicPart::stylesToXml
* Write the curent style to xml element.
@@ -206,3 +247,69 @@ void CustomElementGraphicPart::applyStylesToQPainter(QPainter &painter) const
painter.setPen(pen);
painter.setBrush(brush);
}
/**
* @brief CustomElementGraphicPart::drawShadowShape
* Draw a transparent blue shadow arround the shape of this item.
* The QPainterPathStroker used to draw shadows have a width of SHADOWS_HEIGHT
* Be carefull if penWeight of this item is to 0 the outline of strock is bigger of 0.5
* @param painter : painter to use for draw this shadows
*/
void CustomElementGraphicPart::drawShadowShape(QPainter *painter)
{
//@FIXME if pen weight is 0, the strock outline is SHADOWS_HEIGHT/2 + 0.5
//may be because shape have no line weight
QPainterPathStroker strock;
strock.setWidth(SHADOWS_HEIGHT);
strock.setJoinStyle(Qt::RoundJoin);
painter->save();
QColor color(Qt::darkBlue);
color.setAlpha(50);
painter -> setBrush (QBrush (color));
painter -> setPen (Qt::NoPen);
painter -> drawPath (strock.createStroke(shape()));
painter -> restore ();
}
/**
* @brief CustomElementGraphicPart::itemChange
* Reimplemented from QGraphicsObject.
* If the item position change call updateCurrentPartEditor()
* the change is always send to QGraphicsObject
* @param change
* @param value
* @return the returned value of QGraphicsObject::itemChange
*/
QVariant CustomElementGraphicPart::itemChange(GraphicsItemChange change, const QVariant &value)
{
if (scene())
if (change == QGraphicsItem::ItemPositionChange || change == QGraphicsItem::ItemPositionHasChanged)
updateCurrentPartEditor();
return(QGraphicsObject::itemChange(change, value));
}
/**
* @brief CustomElementGraphicPart::hoverEnterEvent
* Reimplemented from QGraphicsObject.
* Set m_hovered to true
* @param event
*/
void CustomElementGraphicPart::hoverEnterEvent(QGraphicsSceneHoverEvent *event)
{
m_hovered = true;
QGraphicsObject::hoverEnterEvent(event);
}
/**
* @brief CustomElementGraphicPart::hoverLeaveEvent
* Reimplemented from QGraphicsObject.
* Set m_hovered to false
* @param event
*/
void CustomElementGraphicPart::hoverLeaveEvent(QGraphicsSceneHoverEvent *event)
{
m_hovered = false;
QGraphicsObject::hoverLeaveEvent(event);
}