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QT6: QStyleOptionGraphicsItem

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This commit is contained in:
Simon De Backer
2020-10-03 15:48:40 +02:00
parent 2e2a652343
commit c1e93fc442
9 changed files with 261 additions and 192 deletions
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67
sources/editor/graphicspart/partline.cpp
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@@ -1,17 +1,17 @@
/*
Copyright 2006-2020 The QElectroTech Team
This file is part of QElectroTech.
QElectroTech 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 2 of the License, or
(at your option) any later version.
QElectroTech 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 QElectroTech. If not, see <http://www.gnu.org/licenses/>.
*/
@@ -42,7 +42,7 @@ PartLine::~PartLine()
{
if(m_undo_command)
delete m_undo_command;
removeHandler();
}
@@ -79,12 +79,19 @@ void PartLine::paint(QPainter *painter, const QStyleOptionGraphicsItem *options,
applyStylesToQPainter(*painter);
QPen t = painter -> pen();
t.setJoinStyle(Qt::MiterJoin);
t.setCosmetic(options && options -> levelOfDetail < 1.0);
#if QT_VERSION < QT_VERSION_CHECK(6, 0, 0) // ### Qt 6: remove
t.setCosmetic(options && options -> levelOfDetail < 1.0);
#else
#if TODO_LIST
#pragma message("@TODO remove code for QT 6 or later")
#endif
t.setCosmetic(options && options -> levelOfDetailFromTransform(painter->worldTransform()) < 1.0);
#endif
if (isSelected()) t.setColor(Qt::red);
painter -> setPen(t);
if (first_end || second_end)
painter -> drawPath(path());
else
@@ -106,7 +113,7 @@ const QDomElement PartLine::toXml(QDomDocument &xml_document) const
{
QPointF p1(sceneP1());
QPointF p2(sceneP2());
QDomElement xml_element = xml_document.createElement("line");
xml_element.setAttribute("x1", QString("%1").arg(p1.x()));
xml_element.setAttribute("y1", QString("%1").arg(p1.y()));
@@ -116,7 +123,7 @@ const QDomElement PartLine::toXml(QDomDocument &xml_document) const
xml_element.setAttribute("length1", QString("%1").arg(first_length));
xml_element.setAttribute("end2", Qet::endTypeToString(second_end));
xml_element.setAttribute("length2", QString("%1").arg(second_length));
stylesToXml(xml_element);
return(xml_element);
}
@@ -153,8 +160,8 @@ QVariant PartLine::itemChange(QGraphicsItem::GraphicsItemChange change, const QV
{
//When item is selected, he must to be up to date whene the selection in the scene change, for display or not the handler,
//according to the number of selected items.
connect(scene(), &QGraphicsScene::selectionChanged, this, &PartLine::sceneSelectionChanged);
connect(scene(), &QGraphicsScene::selectionChanged, this, &PartLine::sceneSelectionChanged);
if (scene()->selectedItems().size() == 1)
addHandler();
}
@@ -172,10 +179,10 @@ QVariant PartLine::itemChange(QGraphicsItem::GraphicsItemChange change, const QV
{
if(scene())
disconnect(scene(), &QGraphicsScene::selectionChanged, this, &PartLine::sceneSelectionChanged);
setSelected(false); //This is item removed from scene, then we deselect this, and so, the handlers is also removed.
}
return QGraphicsItem::itemChange(change, value);
}
@@ -191,7 +198,7 @@ bool PartLine::sceneEventFilter(QGraphicsItem *watched, QEvent *event)
if(watched->type() == QetGraphicsHandlerItem::Type)
{
QetGraphicsHandlerItem *qghi = qgraphicsitem_cast<QetGraphicsHandlerItem *>(watched);
if(m_handler_vector.contains(qghi)) //Handler must be in m_vector_index, then we can start resize
{
m_vector_index = m_handler_vector.indexOf(qghi);
@@ -215,7 +222,7 @@ bool PartLine::sceneEventFilter(QGraphicsItem *watched, QEvent *event)
}
}
}
return false;
}
@@ -227,10 +234,10 @@ void PartLine::adjusteHandlerPos()
{
if(m_handler_vector.isEmpty())
return;
QVector<QPointF> points_vector;
points_vector << m_line.p1() << m_line.p2();
if (m_handler_vector.size() == points_vector.size())
{
points_vector = mapToScene(points_vector);
@@ -248,7 +255,7 @@ void PartLine::handlerMousePressEvent(QetGraphicsHandlerItem *qghi, QGraphicsSce
{
Q_UNUSED(qghi)
Q_UNUSED(event)
m_undo_command = new QPropertyUndoCommand(this, "line", QVariant(m_line));
m_undo_command->setText(tr("Modifier une ligne"));
m_undo_command->enableAnimation();
@@ -263,12 +270,12 @@ void PartLine::handlerMousePressEvent(QetGraphicsHandlerItem *qghi, QGraphicsSce
void PartLine::handlerMouseMoveEvent(QetGraphicsHandlerItem *qghi, QGraphicsSceneMouseEvent *event)
{
Q_UNUSED(qghi)
QPointF new_pos = event->scenePos();
if (event->modifiers() != Qt::ControlModifier)
new_pos = elementScene()->snapToGrid(event->scenePos());
new_pos = mapFromScene(new_pos);
prepareGeometryChange();
if (m_vector_index == 0)
m_line.setP1(new_pos);
@@ -276,7 +283,7 @@ void PartLine::handlerMouseMoveEvent(QetGraphicsHandlerItem *qghi, QGraphicsScen
m_line.setP2(new_pos);
emit lineChanged();
adjusteHandlerPos();
}
@@ -289,7 +296,7 @@ void PartLine::handlerMouseReleaseEvent(QetGraphicsHandlerItem *qghi, QGraphicsS
{
Q_UNUSED(qghi)
Q_UNUSED(event)
m_undo_command->setNewValue(QVariant(m_line));
elementScene()->undoStack().push(m_undo_command);
m_undo_command = nullptr;
@@ -318,9 +325,9 @@ void PartLine::addHandler()
{
QVector<QPointF> points_vector;
points_vector << m_line.p1() << m_line.p2();
m_handler_vector = QetGraphicsHandlerItem::handlerForPoint(mapToScene(points_vector));
for(QetGraphicsHandlerItem *handler : m_handler_vector)
{
handler->setColor(Qt::blue);
@@ -416,12 +423,12 @@ QRectF PartLine::firstEndCircleRect() const
QList<QPointF> interesting_points = fourEndPoints(m_line.p1(),
m_line.p2(),
first_length);
QRectF end_rect(
interesting_points[0] - QPointF(first_length, first_length),
QSizeF(2.0 * first_length, 2.0 * first_length)
);
return(end_rect);
}
@@ -434,12 +441,12 @@ QRectF PartLine::secondEndCircleRect() const
QList<QPointF> interesting_points = fourEndPoints(m_line.p2(),
m_line.p1(),
second_length);
QRectF end_rect(
interesting_points[0] - QPointF(second_length, second_length),
QSizeF(2.0 * second_length, 2.0 * second_length)
);
return(end_rect);
}
@@ -448,7 +455,7 @@ QRectF PartLine::secondEndCircleRect() const
@return the bounding rect of this part
*/
QRectF PartLine::boundingRect() const
{
{
QRectF bound;
if (first_end || second_end)
bound = path().boundingRect();
@@ -537,13 +544,13 @@ QList<QPointF> PartLine::fourEndPoints(const QPointF &end_point, const QPointF &
//Unitary vector and perpendicular vector
QPointF u(line_vector / line_length * length);
QPointF v(-u.y(), u.x());
// points O, A, B, C
QPointF o(end_point - u);
QPointF a(o - u);
QPointF b(o + v);
QPointF c(o - v);
return(QList<QPointF>() << o << a << b << c);
}