diff --git a/src/backend/worksheet/WorksheetElementContainer.cpp b/src/backend/worksheet/WorksheetElementContainer.cpp index e9a26f347..33a05c773 100644 --- a/src/backend/worksheet/WorksheetElementContainer.cpp +++ b/src/backend/worksheet/WorksheetElementContainer.cpp @@ -1,279 +1,282 @@ /*************************************************************************** File : WorksheetElementContainer.cpp Project : LabPlot Description : Worksheet element container - parent of multiple elements -------------------------------------------------------------------- Copyright : (C) 2009 Tilman Benkert (thzs@gmx.net) Copyright : (C) 2012-2015 by Alexander Semke (alexander.semke@web.de) ***************************************************************************/ /*************************************************************************** * * * This program 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. * * * * This program 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 this program; if not, write to the Free Software * * Foundation, Inc., 51 Franklin Street, Fifth Floor, * * Boston, MA 02110-1301 USA * * * ***************************************************************************/ #include "backend/worksheet/WorksheetElementContainer.h" #include "backend/worksheet/WorksheetElementContainerPrivate.h" #include "backend/worksheet/plots/cartesian/Axis.h" #include "backend/lib/commandtemplates.h" #include "backend/lib/macros.h" #include "backend/lib/trace.h" #include #include #include #include #include /** * \class WorksheetElementContainer * \brief Worksheet element container - parent of multiple elements * \ingroup worksheet * This class provides the functionality for a containers of multiple * worksheet elements. Such a container can be a plot or group of elements. */ WorksheetElementContainer::WorksheetElementContainer(const QString& name) : WorksheetElement(name), d_ptr(new WorksheetElementContainerPrivate(this)) { connect(this, &WorksheetElementContainer::aspectAdded, this, &WorksheetElementContainer::handleAspectAdded); } WorksheetElementContainer::WorksheetElementContainer(const QString& name, WorksheetElementContainerPrivate* dd) : WorksheetElement(name), d_ptr(dd) { connect(this, &WorksheetElementContainer::aspectAdded, this, &WorksheetElementContainer::handleAspectAdded); } //no need to delete the d-pointer here - it inherits from QGraphicsItem //and is deleted during the cleanup in QGraphicsScene WorksheetElementContainer::~WorksheetElementContainer() = default; QGraphicsItem* WorksheetElementContainer::graphicsItem() const { return const_cast(static_cast(d_ptr)); } QRectF WorksheetElementContainer::rect() const { Q_D(const WorksheetElementContainer); return d->rect; } STD_SWAP_METHOD_SETTER_CMD_IMPL(WorksheetElementContainer, SetVisible, bool, swapVisible) void WorksheetElementContainer::setVisible(bool on) { Q_D(WorksheetElementContainer); //take care of proper ordering on the undo-stack, //when making the container and all its children visible/invisible. //if visible is set true, change the visibility of the container first if (on) { beginMacro( i18n("%1: set visible", name()) ); exec( new WorksheetElementContainerSetVisibleCmd(d, on, ki18n("%1: set visible")) ); } else { beginMacro( i18n("%1: set invisible", name()) ); } //change the visibility of all children QVector childList = children(AbstractAspect::IncludeHidden | AbstractAspect::Compress); for (auto* elem : childList) elem->setVisible(on); //if visible is set false, change the visibility of the container last if (!on) exec(new WorksheetElementContainerSetVisibleCmd(d, false, ki18n("%1: set invisible"))); endMacro(); } bool WorksheetElementContainer::isVisible() const { Q_D(const WorksheetElementContainer); return d->isVisible(); } bool WorksheetElementContainer::isFullyVisible() const { QVector childList = children(AbstractAspect::IncludeHidden | AbstractAspect::Compress); for (const auto* elem : childList) { if (!elem->isVisible()) return false; } return true; } void WorksheetElementContainer::setPrinting(bool on) { Q_D(WorksheetElementContainer); d->m_printing = on; } void WorksheetElementContainer::retransform() { // if (isLoading()) // return; PERFTRACE("WorksheetElementContainer::retransform()"); Q_D(WorksheetElementContainer); QVector childList = children(AbstractAspect::IncludeHidden | AbstractAspect::Compress); for (auto* child : childList) child->retransform(); d->recalcShapeAndBoundingRect(); } void WorksheetElementContainer::handleResize(double horizontalRatio, double verticalRatio, bool pageResize) { DEBUG("WorksheetElementContainer::handleResize()"); Q_D(const WorksheetElementContainer); if (pageResize) { QRectF rect(d->rect); rect.setWidth(d->rect.width()*horizontalRatio); rect.setHeight(d->rect.height()*verticalRatio); setRect(rect); } else { //TODO // for (auto* elem : children(IncludeHidden)) // elem->handleResize(horizontalRatio, verticalRatio); // retransform(); } } void WorksheetElementContainer::handleAspectAdded(const AbstractAspect* aspect) { Q_D(WorksheetElementContainer); const auto* element = qobject_cast(aspect); if (element && (aspect->parentAspect() == this)) { connect(element, &WorksheetElement::hovered, this, &WorksheetElementContainer::childHovered); connect(element, &WorksheetElement::unhovered, this, &WorksheetElementContainer::childUnhovered); element->graphicsItem()->setParentItem(d); qreal zVal = 0; for (auto* child : children(IncludeHidden)) child->setZValue(zVal++); } if (!isLoading()) d->recalcShapeAndBoundingRect(); } void WorksheetElementContainer::childHovered() { Q_D(WorksheetElementContainer); if (!d->isSelected()) { if (d->m_hovered) d->m_hovered = false; d->update(); } } void WorksheetElementContainer::childUnhovered() { Q_D(WorksheetElementContainer); if (!d->isSelected()) { d->m_hovered = true; d->update(); } } void WorksheetElementContainer::prepareGeometryChange() { Q_D(WorksheetElementContainer); d->prepareGeometryChangeRequested(); } //################################################################ //################### Private implementation ########################## //################################################################ WorksheetElementContainerPrivate::WorksheetElementContainerPrivate(WorksheetElementContainer *owner) : q(owner) { setAcceptHoverEvents(true); } QString WorksheetElementContainerPrivate::name() const { return q->name(); } void WorksheetElementContainerPrivate::contextMenuEvent(QGraphicsSceneContextMenuEvent* event) { scene()->clearSelection(); setSelected(true); QMenu* menu = q->createContextMenu(); menu->exec(event->screenPos()); } void WorksheetElementContainerPrivate::hoverEnterEvent(QGraphicsSceneHoverEvent*) { if (!isSelected()) { m_hovered = true; update(); } } void WorksheetElementContainerPrivate::hoverLeaveEvent(QGraphicsSceneHoverEvent*) { if (m_hovered) { m_hovered = false; update(); } } bool WorksheetElementContainerPrivate::swapVisible(bool on) { bool oldValue = isVisible(); setVisible(on); emit q->visibleChanged(on); return oldValue; } void WorksheetElementContainerPrivate::prepareGeometryChangeRequested() { prepareGeometryChange(); recalcShapeAndBoundingRect(); } void WorksheetElementContainerPrivate::recalcShapeAndBoundingRect() { // if (q->isLoading()) // return; - boundingRectangle = QRectF(); - containerShape = QPainterPath(); - QVector childList = q->children(AbstractAspect::IncludeHidden | AbstractAspect::Compress); - foreach (const WorksheetElement* elem, childList) - boundingRectangle |= elem->graphicsItem()->mapRectToParent(elem->graphicsItem()->boundingRect()); - + //old logic calculating the bounding box as as the box covering all children. + //we might need this logic later once we implement something like selection of multiple plots, etc. +// boundingRectangle = QRectF(); +// QVector childList = q->children(AbstractAspect::IncludeHidden | AbstractAspect::Compress); +// foreach (const WorksheetElement* elem, childList) +// boundingRectangle |= elem->graphicsItem()->mapRectToParent(elem->graphicsItem()->boundingRect()); +// float penWidth = 2.; + boundingRectangle = q->rect(); boundingRectangle = QRectF(-boundingRectangle.width()/2 - penWidth / 2, -boundingRectangle.height()/2 - penWidth / 2, boundingRectangle.width() + penWidth, boundingRectangle.height() + penWidth); QPainterPath path; path.addRect(boundingRectangle); //make the shape somewhat thicker then the hoveredPen to make the selection/hovering box more visible + containerShape = QPainterPath(); containerShape.addPath(WorksheetElement::shapeFromPath(path, QPen(QBrush(), penWidth))); } // Inherited from QGraphicsItem QRectF WorksheetElementContainerPrivate::boundingRect() const { return boundingRectangle; } // Inherited from QGraphicsItem void WorksheetElementContainerPrivate::paint(QPainter* painter, const QStyleOptionGraphicsItem* option, QWidget* widget) { Q_UNUSED(option) Q_UNUSED(widget) if (!isVisible()) return; if (m_hovered && !isSelected() && !m_printing) { painter->setPen(QPen(QApplication::palette().color(QPalette::Shadow), 2, Qt::SolidLine)); painter->drawPath(containerShape); } if (isSelected() && !m_printing) { painter->setPen(QPen(QApplication::palette().color(QPalette::Highlight), 2, Qt::SolidLine)); painter->drawPath(containerShape); } }