diff --git a/src/backend/worksheet/plots/cartesian/CartesianPlotLegend.cpp b/src/backend/worksheet/plots/cartesian/CartesianPlotLegend.cpp index cd98e78a9..f2892cd01 100644 --- a/src/backend/worksheet/plots/cartesian/CartesianPlotLegend.cpp +++ b/src/backend/worksheet/plots/cartesian/CartesianPlotLegend.cpp @@ -1,1152 +1,1155 @@ /*************************************************************************** File : CartesianPlotLegend.cpp Project : LabPlot Description : Legend for the cartesian plot -------------------------------------------------------------------- Copyright : (C) 2013-2017 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 * * * ***************************************************************************/ /*! \class CartesianPlotLegend \brief Legend for the cartesian plot. \ingroup kdefrontend */ #include "CartesianPlotLegend.h" #include "backend/worksheet/plots/cartesian/CartesianPlotLegendPrivate.h" #include "backend/worksheet/plots/cartesian/CartesianPlot.h" #include "backend/worksheet/plots/cartesian/XYCurve.h" #include "backend/worksheet/Worksheet.h" #include "backend/lib/XmlStreamReader.h" #include "backend/worksheet/TextLabel.h" #include "backend/lib/commandtemplates.h" #include #include #include #include #include #include #include #include #include CartesianPlotLegend::CartesianPlotLegend(CartesianPlot* plot, const QString &name) : WorksheetElement(name), d_ptr(new CartesianPlotLegendPrivate(this)), m_plot(plot) { init(); } CartesianPlotLegend::CartesianPlotLegend(CartesianPlot* plot, const QString &name, CartesianPlotLegendPrivate *dd) : WorksheetElement(name), d_ptr(dd), m_plot(plot) { init(); } CartesianPlotLegend::~CartesianPlotLegend() { //no need to delete the d-pointer here - it inherits from QGraphicsItem //and is deleted during the cleanup in QGraphicsScene } void CartesianPlotLegend::init() { Q_D(CartesianPlotLegend); KConfig config; KConfigGroup group = config.group( "CartesianPlotLegend" ); d->labelFont = group.readEntry("LabelsFont", QFont()); d->labelFont.setPixelSize( Worksheet::convertToSceneUnits( 10, Worksheet::Point ) ); d->labelColor = Qt::black; d->labelColumnMajor = true; d->lineSymbolWidth = group.readEntry("LineSymbolWidth", Worksheet::convertToSceneUnits(1, Worksheet::Centimeter)); d->rowCount = 0; d->columnCount = 0; d->position.horizontalPosition = CartesianPlotLegend::hPositionRight; d->position.verticalPosition = CartesianPlotLegend::vPositionBottom; //Title d->title = new TextLabel(this->name(), TextLabel::PlotLegendTitle); d->title->setText(this->name()); addChild(d->title); d->title->setHidden(true); d->title->setParentGraphicsItem(graphicsItem()); d->title->graphicsItem()->setFlag(QGraphicsItem::ItemIsMovable, false); connect(d->title, SIGNAL(changed()), this, SLOT(retransform())); //Background d->backgroundType = (PlotArea::BackgroundType) group.readEntry("BackgroundType", (int) PlotArea::Color); d->backgroundColorStyle = (PlotArea::BackgroundColorStyle) group.readEntry("BackgroundColorStyle", (int) PlotArea::SingleColor); d->backgroundImageStyle = (PlotArea::BackgroundImageStyle) group.readEntry("BackgroundImageStyle", (int) PlotArea::Scaled); d->backgroundBrushStyle = (Qt::BrushStyle) group.readEntry("BackgroundBrushStyle", (int) Qt::SolidPattern); d->backgroundFileName = group.readEntry("BackgroundFileName", QString()); d->backgroundFirstColor = group.readEntry("BackgroundFirstColor", QColor(Qt::white)); d->backgroundSecondColor = group.readEntry("BackgroundSecondColor", QColor(Qt::black)); d->backgroundOpacity = group.readEntry("BackgroundOpacity", 1.0); //Border d->borderPen = QPen(group.readEntry("BorderColor", QColor(Qt::black)), group.readEntry("BorderWidth", Worksheet::convertToSceneUnits(1.0, Worksheet::Point)), (Qt::PenStyle) group.readEntry("BorderStyle", (int)Qt::SolidLine)); d->borderCornerRadius = group.readEntry("BorderCornerRadius", 0.0); d->borderOpacity = group.readEntry("BorderOpacity", 1.0); //Layout d->layoutTopMargin = group.readEntry("LayoutTopMargin", Worksheet::convertToSceneUnits(0.2, Worksheet::Centimeter)); d->layoutBottomMargin = group.readEntry("LayoutBottomMargin", Worksheet::convertToSceneUnits(0.2, Worksheet::Centimeter)); d->layoutLeftMargin = group.readEntry("LayoutLeftMargin", Worksheet::convertToSceneUnits(0.2, Worksheet::Centimeter)); d->layoutRightMargin = group.readEntry("LayoutRightMargin", Worksheet::convertToSceneUnits(0.2, Worksheet::Centimeter)); d->layoutVerticalSpacing = group.readEntry("LayoutVerticalSpacing", Worksheet::convertToSceneUnits(0.1, Worksheet::Centimeter)); d->layoutHorizontalSpacing = group.readEntry("LayoutHorizontalSpacing", Worksheet::convertToSceneUnits(0.1, Worksheet::Centimeter)); d->layoutColumnCount = group.readEntry("LayoutColumnCount", 1); graphicsItem()->setFlag(QGraphicsItem::ItemIsSelectable, true); graphicsItem()->setFlag(QGraphicsItem::ItemIsMovable); graphicsItem()->setFlag(QGraphicsItem::ItemSendsGeometryChanges); this->initActions(); } void CartesianPlotLegend::initActions() { visibilityAction = new QAction(i18n("visible"), this); visibilityAction->setCheckable(true); connect(visibilityAction, SIGNAL(triggered()), this, SLOT(visibilityChanged())); } QMenu* CartesianPlotLegend::createContextMenu() { QMenu *menu = WorksheetElement::createContextMenu(); QAction* firstAction = menu->actions().at(1); //skip the first action because of the "title-action" visibilityAction->setChecked(isVisible()); menu->insertAction(firstAction, visibilityAction); return menu; } /*! Returns an icon to be used in the project explorer. */ QIcon CartesianPlotLegend::icon() const{ return QIcon::fromTheme("text-field"); } STD_SWAP_METHOD_SETTER_CMD_IMPL(CartesianPlotLegend, SetVisible, bool, swapVisible) void CartesianPlotLegend::setVisible(bool on) { Q_D(CartesianPlotLegend); exec(new CartesianPlotLegendSetVisibleCmd(d, on, on ? i18n("%1: set visible") : i18n("%1: set invisible"))); } bool CartesianPlotLegend::isVisible() const{ Q_D(const CartesianPlotLegend); return d->isVisible(); } void CartesianPlotLegend::setPrinting(bool on) { Q_D(CartesianPlotLegend); d->m_printing = on; } QGraphicsItem *CartesianPlotLegend::graphicsItem() const{ return d_ptr; } void CartesianPlotLegend::retransform() { d_ptr->retransform(); } void CartesianPlotLegend::handleResize(double horizontalRatio, double verticalRatio, bool pageResize) { Q_UNUSED(horizontalRatio); Q_UNUSED(verticalRatio); Q_UNUSED(pageResize); //TODO // Q_D(const CartesianPlotLegend); } //############################################################################## //################################ getter methods ############################ //############################################################################## CLASS_SHARED_D_READER_IMPL(CartesianPlotLegend, QFont, labelFont, labelFont) CLASS_SHARED_D_READER_IMPL(CartesianPlotLegend, QColor, labelColor, labelColor) BASIC_SHARED_D_READER_IMPL(CartesianPlotLegend, bool, labelColumnMajor, labelColumnMajor) CLASS_SHARED_D_READER_IMPL(CartesianPlotLegend, CartesianPlotLegend::PositionWrapper, position, position) BASIC_SHARED_D_READER_IMPL(CartesianPlotLegend, float, lineSymbolWidth, lineSymbolWidth) //Title TextLabel* CartesianPlotLegend::title() { return d_ptr->title; } //Background BASIC_SHARED_D_READER_IMPL(CartesianPlotLegend, PlotArea::BackgroundType, backgroundType, backgroundType) BASIC_SHARED_D_READER_IMPL(CartesianPlotLegend, PlotArea::BackgroundColorStyle, backgroundColorStyle, backgroundColorStyle) BASIC_SHARED_D_READER_IMPL(CartesianPlotLegend, PlotArea::BackgroundImageStyle, backgroundImageStyle, backgroundImageStyle) BASIC_SHARED_D_READER_IMPL(CartesianPlotLegend, Qt::BrushStyle, backgroundBrushStyle, backgroundBrushStyle) CLASS_SHARED_D_READER_IMPL(CartesianPlotLegend, QColor, backgroundFirstColor, backgroundFirstColor) CLASS_SHARED_D_READER_IMPL(CartesianPlotLegend, QColor, backgroundSecondColor, backgroundSecondColor) CLASS_SHARED_D_READER_IMPL(CartesianPlotLegend, QString, backgroundFileName, backgroundFileName) BASIC_SHARED_D_READER_IMPL(CartesianPlotLegend, float, backgroundOpacity, backgroundOpacity) //Border CLASS_SHARED_D_READER_IMPL(CartesianPlotLegend, QPen, borderPen, borderPen) BASIC_SHARED_D_READER_IMPL(CartesianPlotLegend, float, borderCornerRadius, borderCornerRadius) BASIC_SHARED_D_READER_IMPL(CartesianPlotLegend, float, borderOpacity, borderOpacity) //Layout BASIC_SHARED_D_READER_IMPL(CartesianPlotLegend, float, layoutTopMargin, layoutTopMargin) BASIC_SHARED_D_READER_IMPL(CartesianPlotLegend, float, layoutBottomMargin, layoutBottomMargin) BASIC_SHARED_D_READER_IMPL(CartesianPlotLegend, float, layoutLeftMargin, layoutLeftMargin) BASIC_SHARED_D_READER_IMPL(CartesianPlotLegend, float, layoutRightMargin, layoutRightMargin) BASIC_SHARED_D_READER_IMPL(CartesianPlotLegend, float, layoutHorizontalSpacing, layoutHorizontalSpacing) BASIC_SHARED_D_READER_IMPL(CartesianPlotLegend, float, layoutVerticalSpacing, layoutVerticalSpacing) BASIC_SHARED_D_READER_IMPL(CartesianPlotLegend, int, layoutColumnCount, layoutColumnCount) //############################################################################## //###################### setter methods and undo commands #################### //############################################################################## STD_SETTER_CMD_IMPL_F_S(CartesianPlotLegend, SetLabelFont, QFont, labelFont, retransform) void CartesianPlotLegend::setLabelFont(const QFont& font) { Q_D(CartesianPlotLegend); if (font!= d->labelFont) exec(new CartesianPlotLegendSetLabelFontCmd(d, font, i18n("%1: set font"))); } STD_SETTER_CMD_IMPL_F_S(CartesianPlotLegend, SetLabelColor, QColor, labelColor, update) void CartesianPlotLegend::setLabelColor(const QColor& color) { Q_D(CartesianPlotLegend); if (color!= d->labelColor) exec(new CartesianPlotLegendSetLabelColorCmd(d, color, i18n("%1: set font color"))); } STD_SETTER_CMD_IMPL_F_S(CartesianPlotLegend, SetLabelColumnMajor, bool, labelColumnMajor, retransform) void CartesianPlotLegend::setLabelColumnMajor(bool columnMajor) { Q_D(CartesianPlotLegend); if (columnMajor != d->labelColumnMajor) exec(new CartesianPlotLegendSetLabelColumnMajorCmd(d, columnMajor, i18n("%1: change column order"))); } STD_SETTER_CMD_IMPL_F_S(CartesianPlotLegend, SetLineSymbolWidth, float, lineSymbolWidth, retransform) void CartesianPlotLegend::setLineSymbolWidth(float width) { Q_D(CartesianPlotLegend); if (width != d->lineSymbolWidth) exec(new CartesianPlotLegendSetLineSymbolWidthCmd(d, width, i18n("%1: change line+symbol width"))); } STD_SETTER_CMD_IMPL_F_S(CartesianPlotLegend, SetPosition, CartesianPlotLegend::PositionWrapper, position, updatePosition); void CartesianPlotLegend::setPosition(const PositionWrapper& pos) { Q_D(CartesianPlotLegend); if (pos.point!=d->position.point || pos.horizontalPosition!=d->position.horizontalPosition || pos.verticalPosition!=d->position.verticalPosition) exec(new CartesianPlotLegendSetPositionCmd(d, pos, i18n("%1: set position"))); } //Background STD_SETTER_CMD_IMPL_F_S(CartesianPlotLegend, SetBackgroundType, PlotArea::BackgroundType, backgroundType, update) void CartesianPlotLegend::setBackgroundType(PlotArea::BackgroundType type) { Q_D(CartesianPlotLegend); if (type != d->backgroundType) exec(new CartesianPlotLegendSetBackgroundTypeCmd(d, type, i18n("%1: background type changed"))); } STD_SETTER_CMD_IMPL_F_S(CartesianPlotLegend, SetBackgroundColorStyle, PlotArea::BackgroundColorStyle, backgroundColorStyle, update) void CartesianPlotLegend::setBackgroundColorStyle(PlotArea::BackgroundColorStyle style) { Q_D(CartesianPlotLegend); if (style != d->backgroundColorStyle) exec(new CartesianPlotLegendSetBackgroundColorStyleCmd(d, style, i18n("%1: background color style changed"))); } STD_SETTER_CMD_IMPL_F_S(CartesianPlotLegend, SetBackgroundImageStyle, PlotArea::BackgroundImageStyle, backgroundImageStyle, update) void CartesianPlotLegend::setBackgroundImageStyle(PlotArea::BackgroundImageStyle style) { Q_D(CartesianPlotLegend); if (style != d->backgroundImageStyle) exec(new CartesianPlotLegendSetBackgroundImageStyleCmd(d, style, i18n("%1: background image style changed"))); } STD_SETTER_CMD_IMPL_F_S(CartesianPlotLegend, SetBackgroundBrushStyle, Qt::BrushStyle, backgroundBrushStyle, update) void CartesianPlotLegend::setBackgroundBrushStyle(Qt::BrushStyle style) { Q_D(CartesianPlotLegend); if (style != d->backgroundBrushStyle) exec(new CartesianPlotLegendSetBackgroundBrushStyleCmd(d, style, i18n("%1: background brush style changed"))); } STD_SETTER_CMD_IMPL_F_S(CartesianPlotLegend, SetBackgroundFirstColor, QColor, backgroundFirstColor, update) void CartesianPlotLegend::setBackgroundFirstColor(const QColor &color) { Q_D(CartesianPlotLegend); if (color!= d->backgroundFirstColor) exec(new CartesianPlotLegendSetBackgroundFirstColorCmd(d, color, i18n("%1: set background first color"))); } STD_SETTER_CMD_IMPL_F_S(CartesianPlotLegend, SetBackgroundSecondColor, QColor, backgroundSecondColor, update) void CartesianPlotLegend::setBackgroundSecondColor(const QColor &color) { Q_D(CartesianPlotLegend); if (color!= d->backgroundSecondColor) exec(new CartesianPlotLegendSetBackgroundSecondColorCmd(d, color, i18n("%1: set background second color"))); } STD_SETTER_CMD_IMPL_F_S(CartesianPlotLegend, SetBackgroundFileName, QString, backgroundFileName, update) void CartesianPlotLegend::setBackgroundFileName(const QString& fileName) { Q_D(CartesianPlotLegend); if (fileName!= d->backgroundFileName) exec(new CartesianPlotLegendSetBackgroundFileNameCmd(d, fileName, i18n("%1: set background image"))); } STD_SETTER_CMD_IMPL_F_S(CartesianPlotLegend, SetBackgroundOpacity, float, backgroundOpacity, update) void CartesianPlotLegend::setBackgroundOpacity(float opacity) { Q_D(CartesianPlotLegend); if (opacity != d->backgroundOpacity) exec(new CartesianPlotLegendSetBackgroundOpacityCmd(d, opacity, i18n("%1: set opacity"))); } //Border STD_SETTER_CMD_IMPL_F_S(CartesianPlotLegend, SetBorderPen, QPen, borderPen, update) void CartesianPlotLegend::setBorderPen(const QPen &pen) { Q_D(CartesianPlotLegend); if (pen != d->borderPen) exec(new CartesianPlotLegendSetBorderPenCmd(d, pen, i18n("%1: set border style"))); } STD_SETTER_CMD_IMPL_F_S(CartesianPlotLegend, SetBorderCornerRadius, qreal, borderCornerRadius, update) void CartesianPlotLegend::setBorderCornerRadius(float radius) { Q_D(CartesianPlotLegend); if (radius != d->borderCornerRadius) exec(new CartesianPlotLegendSetBorderCornerRadiusCmd(d, radius, i18n("%1: set border corner radius"))); } STD_SETTER_CMD_IMPL_F_S(CartesianPlotLegend, SetBorderOpacity, qreal, borderOpacity, update) void CartesianPlotLegend::setBorderOpacity(float opacity) { Q_D(CartesianPlotLegend); if (opacity != d->borderOpacity) exec(new CartesianPlotLegendSetBorderOpacityCmd(d, opacity, i18n("%1: set border opacity"))); } //Layout STD_SETTER_CMD_IMPL_F_S(CartesianPlotLegend, SetLayoutTopMargin, float, layoutTopMargin, retransform) void CartesianPlotLegend::setLayoutTopMargin(float margin) { Q_D(CartesianPlotLegend); if (margin != d->layoutTopMargin) exec(new CartesianPlotLegendSetLayoutTopMarginCmd(d, margin, i18n("%1: set layout top margin"))); } STD_SETTER_CMD_IMPL_F_S(CartesianPlotLegend, SetLayoutBottomMargin, float, layoutBottomMargin, retransform) void CartesianPlotLegend::setLayoutBottomMargin(float margin) { Q_D(CartesianPlotLegend); if (margin != d->layoutBottomMargin) exec(new CartesianPlotLegendSetLayoutBottomMarginCmd(d, margin, i18n("%1: set layout bottom margin"))); } STD_SETTER_CMD_IMPL_F_S(CartesianPlotLegend, SetLayoutLeftMargin, float, layoutLeftMargin, retransform) void CartesianPlotLegend::setLayoutLeftMargin(float margin) { Q_D(CartesianPlotLegend); if (margin != d->layoutLeftMargin) exec(new CartesianPlotLegendSetLayoutLeftMarginCmd(d, margin, i18n("%1: set layout left margin"))); } STD_SETTER_CMD_IMPL_F_S(CartesianPlotLegend, SetLayoutRightMargin, float, layoutRightMargin, retransform) void CartesianPlotLegend::setLayoutRightMargin(float margin) { Q_D(CartesianPlotLegend); if (margin != d->layoutRightMargin) exec(new CartesianPlotLegendSetLayoutRightMarginCmd(d, margin, i18n("%1: set layout right margin"))); } STD_SETTER_CMD_IMPL_F_S(CartesianPlotLegend, SetLayoutVerticalSpacing, float, layoutVerticalSpacing, retransform) void CartesianPlotLegend::setLayoutVerticalSpacing(float spacing) { Q_D(CartesianPlotLegend); if (spacing != d->layoutVerticalSpacing) exec(new CartesianPlotLegendSetLayoutVerticalSpacingCmd(d, spacing, i18n("%1: set layout vertical spacing"))); } STD_SETTER_CMD_IMPL_F_S(CartesianPlotLegend, SetLayoutHorizontalSpacing, float, layoutHorizontalSpacing, retransform) void CartesianPlotLegend::setLayoutHorizontalSpacing(float spacing) { Q_D(CartesianPlotLegend); if (spacing != d->layoutHorizontalSpacing) exec(new CartesianPlotLegendSetLayoutHorizontalSpacingCmd(d, spacing, i18n("%1: set layout horizontal spacing"))); } STD_SETTER_CMD_IMPL_F_S(CartesianPlotLegend, SetLayoutColumnCount, int, layoutColumnCount, retransform) void CartesianPlotLegend::setLayoutColumnCount(int count) { Q_D(CartesianPlotLegend); if (count != d->layoutColumnCount) exec(new CartesianPlotLegendSetLayoutColumnCountCmd(d, count, i18n("%1: set layout column count"))); } //############################################################################## //################################# SLOTS #################################### //############################################################################## //############################################################################## //###### SLOTs for changes triggered via QActions in the context menu ######## //############################################################################## void CartesianPlotLegend::visibilityChanged() { Q_D(const CartesianPlotLegend); this->setVisible(!d->isVisible()); } //############################################################################## //######################### Private implementation ############################# //############################################################################## CartesianPlotLegendPrivate::CartesianPlotLegendPrivate(CartesianPlotLegend *owner):q(owner), suppressItemChangeEvent(false), suppressRetransform(false), m_printing(false), m_hovered(false) { setAcceptHoverEvents(true); } QString CartesianPlotLegendPrivate::name() const { return q->name(); } QRectF CartesianPlotLegendPrivate::boundingRect() const { return rect; } void CartesianPlotLegendPrivate::contextMenuEvent(QGraphicsSceneContextMenuEvent* event) { q->createContextMenu()->exec(event->screenPos()); } /*! Returns the shape of the CartesianPlotLegend as a QPainterPath in local coordinates */ QPainterPath CartesianPlotLegendPrivate::shape() const { QPainterPath path; if ( qFuzzyIsNull(borderCornerRadius) ) path.addRect(rect); else path.addRoundedRect(rect, borderCornerRadius, borderCornerRadius); return path; } bool CartesianPlotLegendPrivate::swapVisible(bool on) { bool oldValue = isVisible(); setVisible(on); emit q->visibilityChanged(on); return oldValue; } /*! recalculates the rectangular of the legend. */ void CartesianPlotLegendPrivate::retransform() { if (suppressRetransform) return; prepareGeometryChange(); curvesList.clear(); QVector children = q->m_plot->children(); foreach(XYCurve* curve, children) { if (curve && curve->isVisible()) curvesList.push_back(curve); } int curveCount = curvesList.size(); columnCount = (curveCount= curveCount ) break; curve = curvesList.at(index); if (curve) { if (!curve->isVisible()) continue; w = fm.width(curve->name()); if (w>maxTextWidth) maxTextWidth = w; } } maxColumnTextWidths.append(maxTextWidth); legendWidth += maxTextWidth; } legendWidth += layoutLeftMargin + layoutRightMargin; //margins legendWidth += columnCount*lineSymbolWidth + layoutHorizontalSpacing; //width of the columns without the text legendWidth += (columnCount-1)*2*layoutHorizontalSpacing; //spacings between the columns if (title->isVisible() && !title->text().text.isEmpty()) { float titleWidth = title->graphicsItem()->boundingRect().width(); if (titleWidth > legendWidth) legendWidth = titleWidth; } //determine the height of the legend float legendHeight = layoutTopMargin + layoutBottomMargin; //margins legendHeight += rowCount*h; //height of the rows legendHeight += (rowCount-1)*layoutVerticalSpacing; //spacing between the rows if (title->isVisible() && !title->text().text.isEmpty()) legendHeight += title->graphicsItem()->boundingRect().height(); //legend title rect.setX(-legendWidth/2); rect.setY(-legendHeight/2); rect.setWidth(legendWidth); rect.setHeight(legendHeight); updatePosition(); } /*! calculates the position of the legend, when the position relative to the parent was specified (left, right, etc.) */ void CartesianPlotLegendPrivate::updatePosition() { //position the legend relative to the actual plot size minus small offset //TODO: make the offset dependent on the size of axis ticks. const QRectF parentRect = q->m_plot->plotRect(); float hOffset = Worksheet::convertToSceneUnits(10, Worksheet::Point); float vOffset = Worksheet::convertToSceneUnits(10, Worksheet::Point); if (position.horizontalPosition != CartesianPlotLegend::hPositionCustom) { if (position.horizontalPosition == CartesianPlotLegend::hPositionLeft) position.point.setX(parentRect.x() + rect.width()/2 + hOffset); else if (position.horizontalPosition == CartesianPlotLegend::hPositionCenter) position.point.setX(parentRect.x() + parentRect.width()/2); else if (position.horizontalPosition == CartesianPlotLegend::hPositionRight) position.point.setX(parentRect.x() + parentRect.width() - rect.width()/2 - hOffset); } if (position.verticalPosition != CartesianPlotLegend::vPositionCustom) { if (position.verticalPosition == CartesianPlotLegend::vPositionTop) position.point.setY(parentRect.y() + rect.height()/2 + vOffset); else if (position.verticalPosition == CartesianPlotLegend::vPositionCenter) position.point.setY(parentRect.y() + parentRect.height()/2); else if (position.verticalPosition == CartesianPlotLegend::vPositionBottom) position.point.setY(parentRect.y() + parentRect.height() - rect.height()/2 -vOffset); } suppressItemChangeEvent=true; setPos(position.point); suppressItemChangeEvent=false; emit q->positionChanged(position); suppressRetransform = true; title->retransform(); suppressRetransform = false; } /*! Reimplementation of QGraphicsItem::paint(). This function does the actual painting of the legend. \sa QGraphicsItem::paint(). */ void CartesianPlotLegendPrivate::paint(QPainter* painter, const QStyleOptionGraphicsItem* option, QWidget* widget) { Q_UNUSED(option); Q_UNUSED(widget); if (!isVisible()) return; painter->save(); //draw the area painter->setOpacity(backgroundOpacity); painter->setPen(Qt::NoPen); if (backgroundType == PlotArea::Color) { switch (backgroundColorStyle) { case PlotArea::SingleColor:{ painter->setBrush(QBrush(backgroundFirstColor)); break; } case PlotArea::HorizontalLinearGradient:{ QLinearGradient linearGrad(rect.topLeft(), rect.topRight()); linearGrad.setColorAt(0, backgroundFirstColor); linearGrad.setColorAt(1, backgroundSecondColor); painter->setBrush(QBrush(linearGrad)); break; } case PlotArea::VerticalLinearGradient:{ QLinearGradient linearGrad(rect.topLeft(), rect.bottomLeft()); linearGrad.setColorAt(0, backgroundFirstColor); linearGrad.setColorAt(1, backgroundSecondColor); painter->setBrush(QBrush(linearGrad)); break; } case PlotArea::TopLeftDiagonalLinearGradient:{ QLinearGradient linearGrad(rect.topLeft(), rect.bottomRight()); linearGrad.setColorAt(0, backgroundFirstColor); linearGrad.setColorAt(1, backgroundSecondColor); painter->setBrush(QBrush(linearGrad)); break; } case PlotArea::BottomLeftDiagonalLinearGradient:{ QLinearGradient linearGrad(rect.bottomLeft(), rect.topRight()); linearGrad.setColorAt(0, backgroundFirstColor); linearGrad.setColorAt(1, backgroundSecondColor); painter->setBrush(QBrush(linearGrad)); break; } case PlotArea::RadialGradient:{ QRadialGradient radialGrad(rect.center(), rect.width()/2); radialGrad.setColorAt(0, backgroundFirstColor); radialGrad.setColorAt(1, backgroundSecondColor); painter->setBrush(QBrush(radialGrad)); break; } } } else if (backgroundType == PlotArea::Image) { if ( !backgroundFileName.trimmed().isEmpty() ) { QPixmap pix(backgroundFileName); switch (backgroundImageStyle) { case PlotArea::ScaledCropped: pix = pix.scaled(rect.size().toSize(),Qt::KeepAspectRatioByExpanding,Qt::SmoothTransformation); painter->drawPixmap(rect.topLeft(),pix); break; case PlotArea::Scaled: pix = pix.scaled(rect.size().toSize(),Qt::IgnoreAspectRatio,Qt::SmoothTransformation); painter->drawPixmap(rect.topLeft(),pix); break; case PlotArea::ScaledAspectRatio: pix = pix.scaled(rect.size().toSize(),Qt::KeepAspectRatio,Qt::SmoothTransformation); painter->drawPixmap(rect.topLeft(),pix); break; case PlotArea::Centered: painter->drawPixmap(QPointF(rect.center().x()-pix.size().width()/2,rect.center().y()-pix.size().height()/2),pix); break; case PlotArea::Tiled: painter->drawTiledPixmap(rect,pix); break; case PlotArea::CenterTiled: painter->drawTiledPixmap(rect,pix,QPoint(rect.size().width()/2,rect.size().height()/2)); } } } else if (backgroundType == PlotArea::Pattern) { painter->setBrush(QBrush(backgroundFirstColor,backgroundBrushStyle)); } if ( qFuzzyIsNull(borderCornerRadius) ) painter->drawRect(rect); else painter->drawRoundedRect(rect, borderCornerRadius, borderCornerRadius); //draw the border if (borderPen.style() != Qt::NoPen) { painter->setPen(borderPen); painter->setBrush(Qt::NoBrush); painter->setOpacity(borderOpacity); if ( qFuzzyIsNull(borderCornerRadius) ) painter->drawRect(rect); else painter->drawRoundedRect(rect, borderCornerRadius, borderCornerRadius); } //draw curve's line+symbol and the names int curveCount = curvesList.size(); QFontMetrics fm(labelFont); float h=fm.ascent(); XYCurve* curve; painter->setFont(labelFont); //translate to left upper conner of the bounding rect plus the layout offset and the height of the title painter->translate(-rect.width()/2+layoutLeftMargin, -rect.height()/2+layoutTopMargin); if (title->isVisible() && !title->text().text.isEmpty()) painter->translate(0, title->graphicsItem()->boundingRect().height()); painter->save(); int index; for (int c=0; c= curveCount ) break; curve = curvesList.at(index); //curve's line (painted at the half of the ascent size) if (curve->lineType() != XYCurve::NoLine) { painter->setPen(curve->linePen()); painter->setOpacity(curve->lineOpacity()); painter->drawLine(0, h/2, lineSymbolWidth, h/2); } //error bars if ( (curve->xErrorType() != XYCurve::NoError) || (curve->yErrorType() != XYCurve::NoError) ) { painter->setOpacity(curve->errorBarsOpacity()); painter->setPen(curve->errorBarsPen()); //curve's error bars for x float errorBarsSize = Worksheet::convertToSceneUnits(10, Worksheet::Point); if (curve->symbolsStyle()!=Symbol::NoSymbols && errorBarsSizesymbolsSize()*1.4) errorBarsSize = curve->symbolsSize()*1.4; switch (curve->errorBarsType()) { case XYCurve::ErrorBarsSimple: //horiz. line painter->drawLine(lineSymbolWidth/2-errorBarsSize/2, h/2, lineSymbolWidth/2+errorBarsSize/2, h/2); //vert. line painter->drawLine(lineSymbolWidth/2, h/2-errorBarsSize/2, lineSymbolWidth/2, h/2+errorBarsSize/2); break; case XYCurve::ErrorBarsWithEnds: //horiz. line painter->drawLine(lineSymbolWidth/2-errorBarsSize/2, h/2, lineSymbolWidth/2+errorBarsSize/2, h/2); //vert. line painter->drawLine(lineSymbolWidth/2, h/2-errorBarsSize/2, lineSymbolWidth/2, h/2+errorBarsSize/2); //caps for the horiz. line painter->drawLine(lineSymbolWidth/2-errorBarsSize/2, h/2-errorBarsSize/4, lineSymbolWidth/2-errorBarsSize/2, h/2+errorBarsSize/4); painter->drawLine(lineSymbolWidth/2+errorBarsSize/2, h/2-errorBarsSize/4, lineSymbolWidth/2+errorBarsSize/2, h/2+errorBarsSize/4); //caps for the vert. line painter->drawLine(lineSymbolWidth/2-errorBarsSize/4, h/2-errorBarsSize/2, lineSymbolWidth/2+errorBarsSize/4, h/2-errorBarsSize/2); painter->drawLine(lineSymbolWidth/2-errorBarsSize/4, h/2+errorBarsSize/2, lineSymbolWidth/2+errorBarsSize/4, h/2+errorBarsSize/2); break; } } //curve's symbol if (curve->symbolsStyle()!=Symbol::NoSymbols) { painter->setOpacity(curve->symbolsOpacity()); painter->setBrush(curve->symbolsBrush()); painter->setPen(curve->symbolsPen()); QPainterPath path = Symbol::pathFromStyle(curve->symbolsStyle()); QTransform trafo; trafo.scale(curve->symbolsSize(), curve->symbolsSize()); path = trafo.map(path); if (curve->symbolsRotationAngle() != 0) { trafo.reset(); trafo.rotate(curve->symbolsRotationAngle()); path = trafo.map(path); } painter->translate(QPointF(lineSymbolWidth/2, h/2)); painter->drawPath(path); painter->translate(-QPointF(lineSymbolWidth/2, h/2)); } //curve's name painter->setPen(QPen(labelColor)); painter->setOpacity(1.0); painter->drawText(QPoint(lineSymbolWidth+layoutHorizontalSpacing, h), curve->name()); painter->translate(0,layoutVerticalSpacing+h); } //translate to the beginning of the next column painter->restore(); int deltaX = lineSymbolWidth+layoutHorizontalSpacing+maxColumnTextWidths.at(c); //the width of the current columns deltaX += 2*layoutHorizontalSpacing; //spacing between two columns painter->translate(deltaX,0); painter->save(); } painter->restore(); painter->restore(); if (m_hovered && !isSelected() && !m_printing) { painter->setPen(q->hoveredPen); painter->setOpacity(q->hoveredOpacity); painter->drawPath(shape()); } if (isSelected() && !m_printing) { painter->setPen(q->selectedPen); painter->setOpacity(q->selectedOpacity); painter->drawPath(shape()); } } QVariant CartesianPlotLegendPrivate::itemChange(GraphicsItemChange change, const QVariant &value) { if (suppressItemChangeEvent) return value; if (change == QGraphicsItem::ItemPositionChange) { //convert item's center point in parent's coordinates CartesianPlotLegend::PositionWrapper tempPosition; tempPosition.point = value.toPointF(); tempPosition.horizontalPosition = CartesianPlotLegend::hPositionCustom; tempPosition.verticalPosition = CartesianPlotLegend::vPositionCustom; //emit the signals in order to notify the UI. //we don't set the position related member variables during the mouse movements. //this is done on mouse release events only. emit q->positionChanged(tempPosition); } return QGraphicsItem::itemChange(change, value); } void CartesianPlotLegendPrivate::mouseReleaseEvent(QGraphicsSceneMouseEvent* event) { //convert position of the item in parent coordinates to label's position QPointF point = pos(); if (point!=position.point) { //position was changed -> set the position related member variables suppressRetransform = true; CartesianPlotLegend::PositionWrapper tempPosition; tempPosition.point = point; tempPosition.horizontalPosition = CartesianPlotLegend::hPositionCustom; tempPosition.verticalPosition = CartesianPlotLegend::vPositionCustom; q->setPosition(tempPosition); suppressRetransform = false; } QGraphicsItem::mouseReleaseEvent(event); } void CartesianPlotLegendPrivate::hoverEnterEvent(QGraphicsSceneHoverEvent*) { if (!isSelected()) { m_hovered = true; q->hovered(); update(); } } void CartesianPlotLegendPrivate::hoverLeaveEvent(QGraphicsSceneHoverEvent*) { if (m_hovered) { m_hovered = false; q->unhovered(); update(); } } //############################################################################## //################## Serialization/Deserialization ########################### //############################################################################## //! Save as XML void CartesianPlotLegend::save(QXmlStreamWriter* writer) const { Q_D(const CartesianPlotLegend); writer->writeStartElement( "cartesianPlotLegend" ); writeBasicAttributes( writer ); writeCommentElement( writer ); //general writer->writeStartElement( "general" ); WRITE_QCOLOR(d->labelColor); WRITE_QFONT(d->labelFont); writer->writeAttribute( "columnMajor", QString::number(d->labelColumnMajor) ); writer->writeAttribute( "lineSymbolWidth", QString::number(d->lineSymbolWidth) ); writer->writeAttribute( "visible", QString::number(d->isVisible()) ); writer->writeEndElement(); //geometry writer->writeStartElement( "geometry" ); writer->writeAttribute( "x", QString::number(d->position.point.x()) ); writer->writeAttribute( "y", QString::number(d->position.point.y()) ); writer->writeAttribute( "horizontalPosition", QString::number(d->position.horizontalPosition) ); writer->writeAttribute( "verticalPosition", QString::number(d->position.verticalPosition) ); writer->writeEndElement(); //title d->title->save(writer); //background writer->writeStartElement( "background" ); writer->writeAttribute( "type", QString::number(d->backgroundType) ); writer->writeAttribute( "colorStyle", QString::number(d->backgroundColorStyle) ); writer->writeAttribute( "imageStyle", QString::number(d->backgroundImageStyle) ); writer->writeAttribute( "brushStyle", QString::number(d->backgroundBrushStyle) ); writer->writeAttribute( "firstColor_r", QString::number(d->backgroundFirstColor.red()) ); writer->writeAttribute( "firstColor_g", QString::number(d->backgroundFirstColor.green()) ); writer->writeAttribute( "firstColor_b", QString::number(d->backgroundFirstColor.blue()) ); writer->writeAttribute( "secondColor_r", QString::number(d->backgroundSecondColor.red()) ); writer->writeAttribute( "secondColor_g", QString::number(d->backgroundSecondColor.green()) ); writer->writeAttribute( "secondColor_b", QString::number(d->backgroundSecondColor.blue()) ); writer->writeAttribute( "fileName", d->backgroundFileName ); writer->writeAttribute( "opacity", QString::number(d->backgroundOpacity) ); writer->writeEndElement(); //border writer->writeStartElement( "border" ); WRITE_QPEN(d->borderPen); writer->writeAttribute( "borderOpacity", QString::number(d->borderOpacity) ); writer->writeEndElement(); //layout writer->writeStartElement( "layout" ); writer->writeAttribute( "topMargin", QString::number(d->layoutTopMargin) ); writer->writeAttribute( "bottomMargin", QString::number(d->layoutBottomMargin) ); writer->writeAttribute( "leftMargin", QString::number(d->layoutLeftMargin) ); writer->writeAttribute( "rightMargin", QString::number(d->layoutRightMargin) ); writer->writeAttribute( "verticalSpacing", QString::number(d->layoutVerticalSpacing) ); writer->writeAttribute( "horizontalSpacing", QString::number(d->layoutHorizontalSpacing) ); writer->writeAttribute( "columnCount", QString::number(d->layoutColumnCount) ); writer->writeEndElement(); writer->writeEndElement(); // close "cartesianPlotLegend" section } //! Load from XML bool CartesianPlotLegend::load(XmlStreamReader* reader, bool preview) { Q_D(CartesianPlotLegend); if (!reader->isStartElement() || reader->name() != "cartesianPlotLegend") { reader->raiseError(i18n("no cartesian plot legend element found")); return false; } if (!readBasicAttributes(reader)) return false; if (preview) return true; QString attributeWarning = i18n("Attribute '%1' missing or empty, default value is used"); QXmlStreamAttributes attribs; QString str; while (!reader->atEnd()) { reader->readNext(); if (reader->isEndElement() && reader->name() == "cartesianPlotLegend") break; if (!reader->isStartElement()) continue; if (reader->name() == "comment") { if (!readCommentElement(reader)) return false; } else if (reader->name() == "general") { attribs = reader->attributes(); READ_QCOLOR(d->labelColor); READ_QFONT(d->labelFont); str = attribs.value("columnMajor").toString(); if (str.isEmpty()) reader->raiseWarning(attributeWarning.arg("'columnMajor'")); else d->labelColumnMajor = str.toInt(); str = attribs.value("lineSymbolWidth").toString(); if (str.isEmpty()) reader->raiseWarning(attributeWarning.arg("'lineSymbolWidth'")); else d->lineSymbolWidth = str.toDouble(); str = attribs.value("visible").toString(); if (str.isEmpty()) reader->raiseWarning(attributeWarning.arg("'visible'")); else d->setVisible(str.toInt()); } else if (reader->name() == "geometry") { attribs = reader->attributes(); str = attribs.value("x").toString(); if (str.isEmpty()) reader->raiseWarning(attributeWarning.arg("'x'")); else d->position.point.setX(str.toDouble()); str = attribs.value("y").toString(); if (str.isEmpty()) reader->raiseWarning(attributeWarning.arg("'y'")); else d->position.point.setY(str.toDouble()); str = attribs.value("horizontalPosition").toString(); if (str.isEmpty()) reader->raiseWarning(attributeWarning.arg("'horizontalPosition'")); else d->position.horizontalPosition = (CartesianPlotLegend::HorizontalPosition)str.toInt(); str = attribs.value("verticalPosition").toString(); if (str.isEmpty()) reader->raiseWarning(attributeWarning.arg("'verticalPosition'")); else d->position.verticalPosition = (CartesianPlotLegend::VerticalPosition)str.toInt(); } else if (reader->name() == "textLabel") { if (!d->title->load(reader, preview)) { delete d->title; d->title=0; return false; } } else if (reader->name() == "background") { attribs = reader->attributes(); str = attribs.value("type").toString(); if (str.isEmpty()) reader->raiseWarning(attributeWarning.arg("type")); else d->backgroundType = PlotArea::BackgroundType(str.toInt()); str = attribs.value("colorStyle").toString(); if (str.isEmpty()) reader->raiseWarning(attributeWarning.arg("colorStyle")); else d->backgroundColorStyle = PlotArea::BackgroundColorStyle(str.toInt()); str = attribs.value("imageStyle").toString(); if (str.isEmpty()) reader->raiseWarning(attributeWarning.arg("imageStyle")); else d->backgroundImageStyle = PlotArea::BackgroundImageStyle(str.toInt()); str = attribs.value("brushStyle").toString(); if (str.isEmpty()) reader->raiseWarning(attributeWarning.arg("brushStyle")); else d->backgroundBrushStyle = Qt::BrushStyle(str.toInt()); str = attribs.value("firstColor_r").toString(); if (str.isEmpty()) reader->raiseWarning(attributeWarning.arg("firstColor_r")); else d->backgroundFirstColor.setRed(str.toInt()); str = attribs.value("firstColor_g").toString(); if (str.isEmpty()) reader->raiseWarning(attributeWarning.arg("firstColor_g")); else d->backgroundFirstColor.setGreen(str.toInt()); str = attribs.value("firstColor_b").toString(); if (str.isEmpty()) reader->raiseWarning(attributeWarning.arg("firstColor_b")); else d->backgroundFirstColor.setBlue(str.toInt()); str = attribs.value("secondColor_r").toString(); if (str.isEmpty()) reader->raiseWarning(attributeWarning.arg("secondColor_r")); else d->backgroundSecondColor.setRed(str.toInt()); str = attribs.value("secondColor_g").toString(); if (str.isEmpty()) reader->raiseWarning(attributeWarning.arg("secondColor_g")); else d->backgroundSecondColor.setGreen(str.toInt()); str = attribs.value("secondColor_b").toString(); if (str.isEmpty()) reader->raiseWarning(attributeWarning.arg("secondColor_b")); else d->backgroundSecondColor.setBlue(str.toInt()); str = attribs.value("fileName").toString(); d->backgroundFileName = str; str = attribs.value("opacity").toString(); if (str.isEmpty()) reader->raiseWarning(attributeWarning.arg("opacity")); else d->backgroundOpacity = str.toDouble(); } else if (reader->name() == "border") { attribs = reader->attributes(); READ_QPEN(d->borderPen); str = attribs.value("borderOpacity").toString(); if (str.isEmpty()) reader->raiseWarning(attributeWarning.arg("borderOpacity")); else d->borderOpacity = str.toDouble(); } else if (reader->name() == "layout") { attribs = reader->attributes(); str = attribs.value("topMargin").toString(); if (str.isEmpty()) reader->raiseWarning(attributeWarning.arg("topMargin")); else d->layoutTopMargin = str.toDouble(); str = attribs.value("bottomMargin").toString(); if (str.isEmpty()) reader->raiseWarning(attributeWarning.arg("bottomMargin")); else d->layoutBottomMargin = str.toDouble(); str = attribs.value("leftMargin").toString(); if (str.isEmpty()) reader->raiseWarning(attributeWarning.arg("leftMargin")); else d->layoutLeftMargin = str.toDouble(); str = attribs.value("rightMargin").toString(); if (str.isEmpty()) reader->raiseWarning(attributeWarning.arg("rightMargin")); else d->layoutRightMargin = str.toDouble(); str = attribs.value("verticalSpacing").toString(); if (str.isEmpty()) reader->raiseWarning(attributeWarning.arg("verticalSpacing")); else d->layoutVerticalSpacing = str.toDouble(); str = attribs.value("horizontalSpacing").toString(); if (str.isEmpty()) reader->raiseWarning(attributeWarning.arg("horizontalSpacing")); else d->layoutHorizontalSpacing = str.toDouble(); str = attribs.value("columnCount").toString(); if (str.isEmpty()) reader->raiseWarning(attributeWarning.arg("columnCount")); else d->layoutColumnCount = str.toInt(); } } return true; } void CartesianPlotLegend::loadThemeConfig(const KConfig& config) { - const KConfigGroup group = config.group("CartesianPlot"); + KConfigGroup groupLabel = config.group("Label"); + this->setLabelColor(groupLabel.readEntry("FontColor", QColor(Qt::white))); + + const KConfigGroup group = config.group("CartesianPlot"); this->setBackgroundBrushStyle((Qt::BrushStyle)group.readEntry("BackgroundBrushStyle",(int) this->backgroundBrushStyle())); this->setBackgroundColorStyle((PlotArea::BackgroundColorStyle)(group.readEntry("BackgroundColorStyle",(int) this->backgroundColorStyle()))); this->setBackgroundFirstColor(group.readEntry("BackgroundFirstColor",(QColor) this->backgroundFirstColor())); this->setBackgroundImageStyle((PlotArea::BackgroundImageStyle)group.readEntry("BackgroundImageStyle",(int) this->backgroundImageStyle())); this->setBackgroundOpacity(group.readEntry("BackgroundOpacity", this->backgroundOpacity())); this->setBackgroundSecondColor(group.readEntry("BackgroundSecondColor",(QColor) this->backgroundSecondColor())); this->setBackgroundType((PlotArea::BackgroundType)(group.readEntry("BackgroundType",(int) this->backgroundType()))); this->borderPen().setColor(group.readEntry("BorderColor",(QColor) this->borderPen().color())); this->setBorderCornerRadius(group.readEntry("BorderCornerRadius", this->borderCornerRadius())); this->setBorderOpacity(group.readEntry("BorderOpacity", this->borderOpacity())); this->borderPen().setStyle((Qt::PenStyle)(group.readEntry("BorderStyle", (int) this->borderPen().style()))); this->borderPen().setWidthF(group.readEntry("BorderWidth", this->borderPen().widthF())); title()->loadThemeConfig(config); }