diff --git a/src/backend/worksheet/Worksheet.cpp b/src/backend/worksheet/Worksheet.cpp index 3e5eeaa34..33eb2e20e 100644 --- a/src/backend/worksheet/Worksheet.cpp +++ b/src/backend/worksheet/Worksheet.cpp @@ -1,1014 +1,1019 @@ /*************************************************************************** File : Worksheet.cpp Project : LabPlot Description : Worksheet -------------------------------------------------------------------- Copyright : (C) 2009 Tilman Benkert (thzs@gmx.net) Copyright : (C) 2011-2016 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 "Worksheet.h" #include "WorksheetPrivate.h" #include "WorksheetElement.h" #include "commonfrontend/worksheet/WorksheetView.h" #include "backend/core/Project.h" #include "backend/worksheet/plots/cartesian/CartesianPlot.h" #include "backend/worksheet/TextLabel.h" #include "backend/lib/commandtemplates.h" #include "backend/lib/XmlStreamReader.h" #include "kdefrontend/worksheet/ExportWorksheetDialog.h" #include "kdefrontend/ThemeHandler.h" #include #include #include #include #include #include #include #include #include #include #include /** * \class Worksheet * \brief Top-level container for worksheet elements like plot, labels, etc. * * The worksheet is, besides the data containers \c Spreadsheet and \c Matrix, another central part of the application * and provides an area for showing and grouping together different kinds of worksheet objects - plots, labels &etc; * * * \ingroup worksheet */ Worksheet::Worksheet(const QString& name, bool loading) : AbstractPart(name), d(new WorksheetPrivate(this)) { connect(this, &Worksheet::aspectAdded, this, &Worksheet::handleAspectAdded); connect(this, &Worksheet::aspectAboutToBeRemoved, this, &Worksheet::handleAspectAboutToBeRemoved); connect(this, &Worksheet::aspectRemoved, this, &Worksheet::handleAspectRemoved); if (!loading) init(); } Worksheet::~Worksheet() { delete d; } void Worksheet::init() { KConfig config; KConfigGroup group = config.group("Worksheet"); //size d->scaleContent = group.readEntry("ScaleContent", false); d->useViewSize = group.readEntry("UseViewSize", false); d->pageRect.setX(0); d->pageRect.setY(0); d->pageRect.setWidth(group.readEntry("Width", 1500)); d->pageRect.setHeight(group.readEntry("Height", 1500)); d->m_scene->setSceneRect(d->pageRect); //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); //layout d->layout = (Worksheet::Layout) group.readEntry("Layout", (int) Worksheet::VerticalLayout); d->layoutTopMargin = group.readEntry("LayoutTopMargin", convertToSceneUnits(1, Centimeter)); d->layoutBottomMargin = group.readEntry("LayoutBottomMargin", convertToSceneUnits(1, Centimeter)); d->layoutLeftMargin = group.readEntry("LayoutLeftMargin", convertToSceneUnits(1, Centimeter)); d->layoutRightMargin = group.readEntry("LayoutRightMargin", convertToSceneUnits(1, Centimeter)); d->layoutVerticalSpacing = group.readEntry("LayoutVerticalSpacing", convertToSceneUnits(1, Centimeter)); d->layoutHorizontalSpacing = group.readEntry("LayoutHorizontalSpacing", convertToSceneUnits(1, Centimeter)); d->layoutRowCount = group.readEntry("LayoutRowCount", 2); d->layoutColumnCount = group.readEntry("LayoutColumnCount", 2); //default theme KConfigGroup settings = KSharedConfig::openConfig()->group(QLatin1String("Settings_Worksheet")); d->theme = settings.readEntry(QStringLiteral("Theme"), QString()); if (!d->theme.isEmpty()) loadTheme(d->theme); } /*! converts from \c unit to the scene units. At the moment, 1 scene unit corresponds to 1/10 mm. */ float Worksheet::convertToSceneUnits(const float value, const Worksheet::Unit unit) { switch (unit) { case Worksheet::Millimeter: return value*10.0; case Worksheet::Centimeter: return value*100.0; case Worksheet::Inch: return value*25.4*10.; case Worksheet::Point: return value*25.4/72.*10.; } return 0; } /*! converts from the scene units to \c unit . At the moment, 1 scene unit corresponds to 1/10 mm. */ float Worksheet::convertFromSceneUnits(const float value, const Worksheet::Unit unit) { switch (unit) { case Worksheet::Millimeter: return value/10.0; case Worksheet::Centimeter: return value/100.0; case Worksheet::Inch: return value/25.4/10.; case Worksheet::Point: return value/25.4/10.*72.; } return 0; } QIcon Worksheet::icon() const { return QIcon::fromTheme("labplot-worksheet"); } /** * Return a new context menu. The caller takes ownership of the menu. */ QMenu* Worksheet::createContextMenu() { QMenu* menu = AbstractPart::createContextMenu(); Q_ASSERT(menu); emit requestProjectContextMenu(menu); return menu; } //! Construct a primary view on me. /** * This method may be called multiple times during the life time of an Aspect, or it might not get * called at all. Aspects must not depend on the existence of a view for their operation. */ QWidget* Worksheet::view() const { if (!m_partView) { m_view = new WorksheetView(const_cast(this)); m_partView = m_view; connect(m_view, &WorksheetView::statusInfo, this, &Worksheet::statusInfo); } return m_partView; } /*! * returns the list of all parent aspects (folders and sub-folders) * together with all the data containers required to plot the data in the worksheet */ QVector Worksheet::dependsOn() const { //add all parent aspects (folders and sub-folders) QVector aspects = AbstractAspect::dependsOn(); //traverse all plots and add all data containers they depend on for (const auto* plot : children()) aspects << plot->dependsOn(); return aspects; } bool Worksheet::exportView() const { auto* dlg = new ExportWorksheetDialog(m_view); dlg->setFileName(name()); bool ret; if ( (ret = (dlg->exec() == QDialog::Accepted)) ) { QString path = dlg->path(); const WorksheetView::ExportFormat format = dlg->exportFormat(); const WorksheetView::ExportArea area = dlg->exportArea(); const bool background = dlg->exportBackground(); const int resolution = dlg->exportResolution(); WAIT_CURSOR; m_view->exportToFile(path, format, area, background, resolution); RESET_CURSOR; } delete dlg; return ret; } bool Worksheet::printView() { QPrinter printer; auto* dlg = new QPrintDialog(&printer, m_view); dlg->setWindowTitle(i18nc("@title:window", "Print Worksheet")); bool ret; if ( (ret = (dlg->exec() == QDialog::Accepted)) ) m_view->print(&printer); delete dlg; return ret; } bool Worksheet::printPreview() const { auto* dlg = new QPrintPreviewDialog(m_view); connect(dlg, &QPrintPreviewDialog::paintRequested, m_view, &WorksheetView::print); return dlg->exec(); } void Worksheet::handleAspectAdded(const AbstractAspect* aspect) { const auto* addedElement = qobject_cast(aspect); if (!addedElement) return; if (aspect->parentAspect() != this) return; //add the GraphicsItem of the added child to the scene QGraphicsItem* item = addedElement->graphicsItem(); d->m_scene->addItem(item); qreal zVal = 0; for (auto* child : children(IncludeHidden)) child->graphicsItem()->setZValue(zVal++); //if a theme was selected in the worksheet, apply this theme for newly added children if (!d->theme.isEmpty() && !isLoading()) { KConfig config(ThemeHandler::themeFilePath(d->theme), KConfig::SimpleConfig); const_cast(addedElement)->loadThemeConfig(config); } const CartesianPlot* plot = dynamic_cast(aspect); if (plot) { auto* p = const_cast(plot); p->setLocked(d->plotsLocked); } //recalculated the layout if (!isLoading()) { if (d->layout != Worksheet::NoLayout) d->updateLayout(false); } } void Worksheet::handleAspectAboutToBeRemoved(const AbstractAspect* aspect) { const auto* removedElement = qobject_cast(aspect); if (removedElement) { QGraphicsItem* item = removedElement->graphicsItem(); d->m_scene->removeItem(item); } } void Worksheet::handleAspectRemoved(const AbstractAspect* parent, const AbstractAspect* before, const AbstractAspect* child) { Q_UNUSED(parent); Q_UNUSED(before); Q_UNUSED(child); if (d->layout != Worksheet::NoLayout) d->updateLayout(false); } QGraphicsScene* Worksheet::scene() const { return d->m_scene; } QRectF Worksheet::pageRect() const { return d->m_scene->sceneRect(); } /*! this slot is called when a worksheet element is selected in the project explorer. emits \c itemSelected() which forwards this event to the \c WorksheetView in order to select the corresponding \c QGraphicsItem. */ void Worksheet::childSelected(const AbstractAspect* aspect) { auto* element = qobject_cast(const_cast(aspect)); if (element) emit itemSelected(element->graphicsItem()); } /*! this slot is called when a worksheet element is deselected in the project explorer. emits \c itemDeselected() which forwards this event to \c WorksheetView in order to deselect the corresponding \c QGraphicsItem. */ void Worksheet::childDeselected(const AbstractAspect* aspect) { auto* element = qobject_cast(const_cast(aspect)); if (element) emit itemDeselected(element->graphicsItem()); } /*! * Emits the signal to select or to deselect the aspect corresponding to \c QGraphicsItem \c item in the project explorer, * if \c selected=true or \c selected=false, respectively. * The signal is handled in \c AspectTreeModel and forwarded to the tree view in \c ProjectExplorer. * This function is called in \c WorksheetView upon selection changes. */ void Worksheet::setItemSelectedInView(const QGraphicsItem* item, const bool b) { //determine the corresponding aspect const AbstractAspect* aspect(nullptr); for (const auto* child : children(IncludeHidden) ) { aspect = this->aspectFromGraphicsItem(child, item); if (aspect) break; } if (!aspect) return; //forward selection/deselection to AbstractTreeModel if (b) emit childAspectSelectedInView(aspect); else emit childAspectDeselectedInView(aspect); } /*! * helper function: checks whether \c aspect or one of its children has the \c GraphicsItem \c item * Returns a pointer to \c WorksheetElement having this item. */ WorksheetElement* Worksheet::aspectFromGraphicsItem(const WorksheetElement* aspect, const QGraphicsItem* item) const { if ( aspect->graphicsItem() == item ) return const_cast(aspect); else { for (const auto* child : aspect->children(AbstractAspect::IncludeHidden) ) { WorksheetElement* a = this->aspectFromGraphicsItem(child, item); if (a) return a; } return nullptr; } } /*! Selects or deselects the worksheet in the project explorer. This function is called in \c WorksheetView. The worksheet gets deselected if there are selected items in the view, and selected if there are no selected items in the view. */ void Worksheet::setSelectedInView(const bool b) { if (b) emit childAspectSelectedInView(this); else emit childAspectDeselectedInView(this); } void Worksheet::deleteAspectFromGraphicsItem(const QGraphicsItem* item) { Q_ASSERT(item); //determine the corresponding aspect AbstractAspect* aspect(nullptr); for (const auto* child : children(IncludeHidden) ) { aspect = this->aspectFromGraphicsItem(child, item); if (aspect) break; } if (!aspect) return; if (aspect->parentAspect()) aspect->parentAspect()->removeChild(aspect); else this->removeChild(aspect); } void Worksheet::setIsClosing() { if (m_view) m_view->setIsClosing(); } void Worksheet::update() { emit requestUpdate(); } void Worksheet::setSuppressLayoutUpdate(bool value) { d->suppressLayoutUpdate = value; } void Worksheet::updateLayout() { d->updateLayout(); } Worksheet::CartesianPlotActionMode Worksheet::cartesianPlotActionMode() { return d->cartesianPlotActionMode; } bool Worksheet::plotsLocked() { return d->plotsLocked; } void Worksheet::setCartesianPlotActionMode(Worksheet::CartesianPlotActionMode mode) { if (d->cartesianPlotActionMode == mode) return; d->cartesianPlotActionMode = mode; project()->setChanged(true); } void Worksheet::setPlotsLocked(bool lock) { if (d->plotsLocked == lock) return; d->plotsLocked = lock; for (auto* plot: children()) plot->setLocked(lock); project()->setChanged(true); } /* =============================== getter methods for general options ==================================== */ BASIC_D_READER_IMPL(Worksheet, bool, scaleContent, scaleContent) BASIC_D_READER_IMPL(Worksheet, bool, useViewSize, useViewSize) /* =============================== getter methods for background options ================================= */ BASIC_D_READER_IMPL(Worksheet, PlotArea::BackgroundType, backgroundType, backgroundType) BASIC_D_READER_IMPL(Worksheet, PlotArea::BackgroundColorStyle, backgroundColorStyle, backgroundColorStyle) BASIC_D_READER_IMPL(Worksheet, PlotArea::BackgroundImageStyle, backgroundImageStyle, backgroundImageStyle) BASIC_D_READER_IMPL(Worksheet, Qt::BrushStyle, backgroundBrushStyle, backgroundBrushStyle) CLASS_D_READER_IMPL(Worksheet, QColor, backgroundFirstColor, backgroundFirstColor) CLASS_D_READER_IMPL(Worksheet, QColor, backgroundSecondColor, backgroundSecondColor) CLASS_D_READER_IMPL(Worksheet, QString, backgroundFileName, backgroundFileName) BASIC_D_READER_IMPL(Worksheet, float, backgroundOpacity, backgroundOpacity) /* =============================== getter methods for layout options ====================================== */ BASIC_D_READER_IMPL(Worksheet, Worksheet::Layout, layout, layout) BASIC_D_READER_IMPL(Worksheet, float, layoutTopMargin, layoutTopMargin) BASIC_D_READER_IMPL(Worksheet, float, layoutBottomMargin, layoutBottomMargin) BASIC_D_READER_IMPL(Worksheet, float, layoutLeftMargin, layoutLeftMargin) BASIC_D_READER_IMPL(Worksheet, float, layoutRightMargin, layoutRightMargin) BASIC_D_READER_IMPL(Worksheet, float, layoutHorizontalSpacing, layoutHorizontalSpacing) BASIC_D_READER_IMPL(Worksheet, float, layoutVerticalSpacing, layoutVerticalSpacing) BASIC_D_READER_IMPL(Worksheet, int, layoutRowCount, layoutRowCount) BASIC_D_READER_IMPL(Worksheet, int, layoutColumnCount, layoutColumnCount) CLASS_D_READER_IMPL(Worksheet, QString, theme, theme) /* ============================ setter methods and undo commands for general options ===================== */ void Worksheet::setUseViewSize(bool useViewSize) { if (useViewSize != d->useViewSize) { d->useViewSize = useViewSize; emit useViewSizeRequested(); } } STD_SETTER_CMD_IMPL_S(Worksheet, SetScaleContent, bool, scaleContent) void Worksheet::setScaleContent(bool scaleContent) { if (scaleContent != d->scaleContent) exec(new WorksheetSetScaleContentCmd(d, scaleContent, ki18n("%1: change \"rescale the content\" property"))); } /* ============================ setter methods and undo commands for background options ================= */ STD_SETTER_CMD_IMPL_F_S(Worksheet, SetBackgroundType, PlotArea::BackgroundType, backgroundType, update) void Worksheet::setBackgroundType(PlotArea::BackgroundType type) { if (type != d->backgroundType) exec(new WorksheetSetBackgroundTypeCmd(d, type, ki18n("%1: background type changed"))); } STD_SETTER_CMD_IMPL_F_S(Worksheet, SetBackgroundColorStyle, PlotArea::BackgroundColorStyle, backgroundColorStyle, update) void Worksheet::setBackgroundColorStyle(PlotArea::BackgroundColorStyle style) { if (style != d->backgroundColorStyle) exec(new WorksheetSetBackgroundColorStyleCmd(d, style, ki18n("%1: background color style changed"))); } STD_SETTER_CMD_IMPL_F_S(Worksheet, SetBackgroundImageStyle, PlotArea::BackgroundImageStyle, backgroundImageStyle, update) void Worksheet::setBackgroundImageStyle(PlotArea::BackgroundImageStyle style) { if (style != d->backgroundImageStyle) exec(new WorksheetSetBackgroundImageStyleCmd(d, style, ki18n("%1: background image style changed"))); } STD_SETTER_CMD_IMPL_F_S(Worksheet, SetBackgroundBrushStyle, Qt::BrushStyle, backgroundBrushStyle, update) void Worksheet::setBackgroundBrushStyle(Qt::BrushStyle style) { if (style != d->backgroundBrushStyle) exec(new WorksheetSetBackgroundBrushStyleCmd(d, style, ki18n("%1: background brush style changed"))); } STD_SETTER_CMD_IMPL_F_S(Worksheet, SetBackgroundFirstColor, QColor, backgroundFirstColor, update) void Worksheet::setBackgroundFirstColor(const QColor &color) { if (color!= d->backgroundFirstColor) exec(new WorksheetSetBackgroundFirstColorCmd(d, color, ki18n("%1: set background first color"))); } STD_SETTER_CMD_IMPL_F_S(Worksheet, SetBackgroundSecondColor, QColor, backgroundSecondColor, update) void Worksheet::setBackgroundSecondColor(const QColor &color) { if (color!= d->backgroundSecondColor) exec(new WorksheetSetBackgroundSecondColorCmd(d, color, ki18n("%1: set background second color"))); } STD_SETTER_CMD_IMPL_F_S(Worksheet, SetBackgroundFileName, QString, backgroundFileName, update) void Worksheet::setBackgroundFileName(const QString& fileName) { if (fileName!= d->backgroundFileName) exec(new WorksheetSetBackgroundFileNameCmd(d, fileName, ki18n("%1: set background image"))); } STD_SETTER_CMD_IMPL_F_S(Worksheet, SetBackgroundOpacity, float, backgroundOpacity, update) void Worksheet::setBackgroundOpacity(float opacity) { if (opacity != d->backgroundOpacity) exec(new WorksheetSetBackgroundOpacityCmd(d, opacity, ki18n("%1: set opacity"))); } /* ============================ setter methods and undo commands for layout options ================= */ STD_SETTER_CMD_IMPL_F_S(Worksheet, SetLayout, Worksheet::Layout, layout, updateLayout) void Worksheet::setLayout(Worksheet::Layout layout) { if (layout != d->layout) { beginMacro(i18n("%1: set layout", name())); exec(new WorksheetSetLayoutCmd(d, layout, ki18n("%1: set layout"))); endMacro(); } } STD_SETTER_CMD_IMPL_M_F_S(Worksheet, SetLayoutTopMargin, float, layoutTopMargin, updateLayout) void Worksheet::setLayoutTopMargin(float margin) { if (margin != d->layoutTopMargin) { beginMacro(i18n("%1: set layout top margin", name())); exec(new WorksheetSetLayoutTopMarginCmd(d, margin, ki18n("%1: set layout top margin"))); endMacro(); } } STD_SETTER_CMD_IMPL_M_F_S(Worksheet, SetLayoutBottomMargin, float, layoutBottomMargin, updateLayout) void Worksheet::setLayoutBottomMargin(float margin) { if (margin != d->layoutBottomMargin) { beginMacro(i18n("%1: set layout bottom margin", name())); exec(new WorksheetSetLayoutBottomMarginCmd(d, margin, ki18n("%1: set layout bottom margin"))); endMacro(); } } STD_SETTER_CMD_IMPL_M_F_S(Worksheet, SetLayoutLeftMargin, float, layoutLeftMargin, updateLayout) void Worksheet::setLayoutLeftMargin(float margin) { if (margin != d->layoutLeftMargin) { beginMacro(i18n("%1: set layout left margin", name())); exec(new WorksheetSetLayoutLeftMarginCmd(d, margin, ki18n("%1: set layout left margin"))); endMacro(); } } STD_SETTER_CMD_IMPL_M_F_S(Worksheet, SetLayoutRightMargin, float, layoutRightMargin, updateLayout) void Worksheet::setLayoutRightMargin(float margin) { if (margin != d->layoutRightMargin) { beginMacro(i18n("%1: set layout right margin", name())); exec(new WorksheetSetLayoutRightMarginCmd(d, margin, ki18n("%1: set layout right margin"))); endMacro(); } } STD_SETTER_CMD_IMPL_M_F_S(Worksheet, SetLayoutVerticalSpacing, float, layoutVerticalSpacing, updateLayout) void Worksheet::setLayoutVerticalSpacing(float spacing) { if (spacing != d->layoutVerticalSpacing) { beginMacro(i18n("%1: set layout vertical spacing", name())); exec(new WorksheetSetLayoutVerticalSpacingCmd(d, spacing, ki18n("%1: set layout vertical spacing"))); endMacro(); } } STD_SETTER_CMD_IMPL_M_F_S(Worksheet, SetLayoutHorizontalSpacing, float, layoutHorizontalSpacing, updateLayout) void Worksheet::setLayoutHorizontalSpacing(float spacing) { if (spacing != d->layoutHorizontalSpacing) { beginMacro(i18n("%1: set layout horizontal spacing", name())); exec(new WorksheetSetLayoutHorizontalSpacingCmd(d, spacing, ki18n("%1: set layout horizontal spacing"))); endMacro(); } } STD_SETTER_CMD_IMPL_M_F_S(Worksheet, SetLayoutRowCount, int, layoutRowCount, updateLayout) void Worksheet::setLayoutRowCount(int count) { if (count != d->layoutRowCount) { beginMacro(i18n("%1: set layout row count", name())); exec(new WorksheetSetLayoutRowCountCmd(d, count, ki18n("%1: set layout row count"))); endMacro(); } } STD_SETTER_CMD_IMPL_M_F_S(Worksheet, SetLayoutColumnCount, int, layoutColumnCount, updateLayout) void Worksheet::setLayoutColumnCount(int count) { if (count != d->layoutColumnCount) { beginMacro(i18n("%1: set layout column count", name())); exec(new WorksheetSetLayoutColumnCountCmd(d, count, ki18n("%1: set layout column count"))); endMacro(); } } class WorksheetSetPageRectCmd : public StandardMacroSetterCmd { public: WorksheetSetPageRectCmd(Worksheet::Private* target, QRectF newValue, const KLocalizedString& description) : StandardMacroSetterCmd(target, &Worksheet::Private::pageRect, newValue, description) {} void finalize() override { m_target->updatePageRect(); emit m_target->q->pageRectChanged(m_target->*m_field); } void finalizeUndo() override { m_target->m_scene->setSceneRect(m_target->*m_field); emit m_target->q->pageRectChanged(m_target->*m_field); } }; void Worksheet::setPageRect(const QRectF& rect) { //don't allow any rectangulars of width/height equal to zero if (qFuzzyCompare(rect.width(), 0.) || qFuzzyCompare(rect.height(), 0.)) { emit pageRectChanged(d->pageRect); return; } if (rect != d->pageRect) { if (!d->useViewSize) { beginMacro(i18n("%1: set page size", name())); exec(new WorksheetSetPageRectCmd(d, rect, ki18n("%1: set page size"))); endMacro(); } else { d->pageRect = rect; d->updatePageRect(); emit pageRectChanged(d->pageRect); } } } void Worksheet::setPrinting(bool on) const { QVector childElements = children(AbstractAspect::Recursive | AbstractAspect::IncludeHidden); for (auto* child : childElements) child->setPrinting(on); } STD_SETTER_CMD_IMPL_S(Worksheet, SetTheme, QString, theme) void Worksheet::setTheme(const QString& theme) { if (theme != d->theme) { if (!theme.isEmpty()) { beginMacro( i18n("%1: load theme %2", name(), theme) ); exec(new WorksheetSetThemeCmd(d, theme, ki18n("%1: set theme"))); loadTheme(theme); endMacro(); } else { exec(new WorksheetSetThemeCmd(d, theme, ki18n("%1: disable theming"))); } } } //############################################################################## //###################### Private implementation ############################### //############################################################################## WorksheetPrivate::WorksheetPrivate(Worksheet* owner) : q(owner), m_scene(new QGraphicsScene()) { } QString WorksheetPrivate::name() const { return q->name(); } +/*! + * called if the worksheet page (the actual size of worksheet's rectangular) was changed. + * if a layout is active, it is is updated - this adjusts the sizes of the elements in the layout to the new page size. + * if no layout is active and the option "scale content" is active, \c handleResize() is called to adjust zhe properties. + */ void WorksheetPrivate::updatePageRect() { QRectF oldRect = m_scene->sceneRect(); m_scene->setSceneRect(pageRect); if (layout != Worksheet::NoLayout) updateLayout(); else { if (scaleContent) { qreal horizontalRatio = pageRect.width() / oldRect.width(); qreal verticalRatio = pageRect.height() / oldRect.height(); QVector childElements = q->children(AbstractAspect::IncludeHidden); if (useViewSize) { //don't make the change of the geometry undoable/redoable if the view size is used. for (auto* elem : childElements) { elem->setUndoAware(false); elem->handleResize(horizontalRatio, verticalRatio, true); elem->setUndoAware(true); } } else { for (auto* child : childElements) child->handleResize(horizontalRatio, verticalRatio, true); } } } } void WorksheetPrivate::update() { q->update(); } WorksheetPrivate::~WorksheetPrivate() { delete m_scene; } void WorksheetPrivate::updateLayout(bool undoable) { if (suppressLayoutUpdate) return; QVector list = q->children(); if (layout == Worksheet::NoLayout) { for (auto* elem : list) elem->graphicsItem()->setFlag(QGraphicsItem::ItemIsMovable, true); return; } float x = layoutLeftMargin; float y = layoutTopMargin; float w, h; int count = list.count(); if (layout == Worksheet::VerticalLayout) { w = m_scene->sceneRect().width() - layoutLeftMargin - layoutRightMargin; h = (m_scene->sceneRect().height()-layoutTopMargin-layoutBottomMargin- (count-1)*layoutVerticalSpacing)/count; for (auto* elem : list) { setContainerRect(elem, x, y, h, w, undoable); y += h + layoutVerticalSpacing; } } else if (layout == Worksheet::HorizontalLayout) { w = (m_scene->sceneRect().width()-layoutLeftMargin-layoutRightMargin- (count-1)*layoutHorizontalSpacing)/count; h = m_scene->sceneRect().height() - layoutTopMargin-layoutBottomMargin; for (auto* elem : list) { setContainerRect(elem, x, y, h, w, undoable); x += w + layoutHorizontalSpacing; } } else { //GridLayout //add new rows, if not sufficient if (count > layoutRowCount*layoutColumnCount) { layoutRowCount = floor( (float)count/layoutColumnCount + 0.5); emit q->layoutRowCountChanged(layoutRowCount); } w = (m_scene->sceneRect().width()-layoutLeftMargin-layoutRightMargin- (layoutColumnCount-1)*layoutHorizontalSpacing)/layoutColumnCount; h = (m_scene->sceneRect().height()-layoutTopMargin-layoutBottomMargin- (layoutRowCount-1)*layoutVerticalSpacing)/layoutRowCount; int columnIndex = 0; //counts the columns in a row for (auto* elem : list) { setContainerRect(elem, x, y, h, w, undoable); x += w + layoutHorizontalSpacing; columnIndex++; if (columnIndex == layoutColumnCount) { columnIndex = 0; x = layoutLeftMargin; y += h + layoutVerticalSpacing; } } } } void WorksheetPrivate::setContainerRect(WorksheetElementContainer* elem, float x, float y, float h, float w, bool undoable) { if (useViewSize) { //when using the view size, no need to put rect changes onto the undo-stack elem->setUndoAware(false); elem->setRect(QRectF(x,y,w,h)); elem->setUndoAware(true); } else { //don't put rect changed onto the undo-stack if undoable-flag is set to true, //e.g. when new child is added or removed (the layout and the childrend rects will be updated anyway) if (!undoable) { elem->setUndoAware(false); elem->setRect(QRectF(x,y,w,h)); elem->setUndoAware(true); } else elem->setRect(QRectF(x,y,w,h)); } elem->graphicsItem()->setFlag(QGraphicsItem::ItemIsMovable, false); } //############################################################################## //################## Serialization/Deserialization ########################### //############################################################################## //! Save as XML void Worksheet::save(QXmlStreamWriter* writer) const { writer->writeStartElement( "worksheet" ); writeBasicAttributes(writer); writeCommentElement(writer); //applied theme if (!d->theme.isEmpty()) { writer->writeStartElement( "theme" ); writer->writeAttribute("name", d->theme); writer->writeEndElement(); } //geometry writer->writeStartElement( "geometry" ); QRectF rect = d->m_scene->sceneRect(); writer->writeAttribute( "x", QString::number(rect.x()) ); writer->writeAttribute( "y", QString::number(rect.y()) ); writer->writeAttribute( "width", QString::number(rect.width()) ); writer->writeAttribute( "height", QString::number(rect.height()) ); writer->writeAttribute( "useViewSize", QString::number(d->useViewSize) ); writer->writeEndElement(); //layout writer->writeStartElement( "layout" ); writer->writeAttribute( "layout", QString::number(d->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->writeAttribute( "rowCount", QString::number(d->layoutRowCount) ); writer->writeEndElement(); //background properties 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(); // cartesian properties writer->writeStartElement( "plotProperties" ); writer->writeAttribute( "plotsLocked", QString::number(d->plotsLocked) ); writer->writeAttribute( "cartesianPlotActionMode", QString::number(d->cartesianPlotActionMode)); writer->writeEndElement(); //serialize all children for (auto* child : children(IncludeHidden)) child->save(writer); writer->writeEndElement(); // close "worksheet" section } //! Load from XML bool Worksheet::load(XmlStreamReader* reader, bool preview) { if (!readBasicAttributes(reader)) return false; //clear the theme that was potentially set in init() in order to correctly load here the worksheets without any theme used d->theme.clear(); KLocalizedString attributeWarning = ki18n("Attribute '%1' missing or empty, default value is used"); QXmlStreamAttributes attribs; QString str; QRectF rect; while (!reader->atEnd()) { reader->readNext(); if (reader->isEndElement() && reader->name() == "worksheet") break; if (!reader->isStartElement()) continue; if (reader->name() == "comment") { if (!readCommentElement(reader)) return false; } else if (!preview && reader->name() == "theme") { attribs = reader->attributes(); d->theme = attribs.value("name").toString(); } else if (!preview && reader->name() == "geometry") { attribs = reader->attributes(); str = attribs.value("x").toString(); if (str.isEmpty()) reader->raiseWarning(attributeWarning.subs("x").toString()); else rect.setX(str.toDouble()); str = attribs.value("y").toString(); if (str.isEmpty()) reader->raiseWarning(attributeWarning.subs("y").toString()); else rect.setY(str.toDouble()); str = attribs.value("width").toString(); if (str.isEmpty()) reader->raiseWarning(attributeWarning.subs("width").toString()); else rect.setWidth(str.toDouble()); str = attribs.value("height").toString(); if (str.isEmpty()) reader->raiseWarning(attributeWarning.subs("height").toString()); else rect.setHeight(str.toDouble()); READ_INT_VALUE("useViewSize", useViewSize, int); } else if (!preview && reader->name() == "layout") { attribs = reader->attributes(); READ_INT_VALUE("layout", layout, Worksheet::Layout); READ_DOUBLE_VALUE("topMargin", layoutTopMargin); READ_DOUBLE_VALUE("bottomMargin", layoutBottomMargin); READ_DOUBLE_VALUE("leftMargin", layoutLeftMargin); READ_DOUBLE_VALUE("rightMargin", layoutRightMargin); READ_DOUBLE_VALUE("verticalSpacing", layoutVerticalSpacing); READ_DOUBLE_VALUE("horizontalSpacing", layoutHorizontalSpacing); READ_INT_VALUE("columnCount", layoutColumnCount, int); READ_INT_VALUE("rowCount", layoutRowCount, int); } else if (!preview && reader->name() == "background") { attribs = reader->attributes(); READ_INT_VALUE("type", backgroundType, PlotArea::BackgroundType); READ_INT_VALUE("colorStyle", backgroundColorStyle, PlotArea::BackgroundColorStyle); READ_INT_VALUE("imageStyle", backgroundImageStyle, PlotArea::BackgroundImageStyle); READ_INT_VALUE("brushStyle", backgroundBrushStyle, Qt::BrushStyle); str = attribs.value("firstColor_r").toString(); if (str.isEmpty()) reader->raiseWarning(attributeWarning.subs("firstColor_r").toString()); else d->backgroundFirstColor.setRed(str.toInt()); str = attribs.value("firstColor_g").toString(); if (str.isEmpty()) reader->raiseWarning(attributeWarning.subs("firstColor_g").toString()); else d->backgroundFirstColor.setGreen(str.toInt()); str = attribs.value("firstColor_b").toString(); if (str.isEmpty()) reader->raiseWarning(attributeWarning.subs("firstColor_b").toString()); else d->backgroundFirstColor.setBlue(str.toInt()); str = attribs.value("secondColor_r").toString(); if (str.isEmpty()) reader->raiseWarning(attributeWarning.subs("secondColor_r").toString()); else d->backgroundSecondColor.setRed(str.toInt()); str = attribs.value("secondColor_g").toString(); if (str.isEmpty()) reader->raiseWarning(attributeWarning.subs("secondColor_g").toString()); else d->backgroundSecondColor.setGreen(str.toInt()); str = attribs.value("secondColor_b").toString(); if (str.isEmpty()) reader->raiseWarning(attributeWarning.subs("secondColor_b").toString()); else d->backgroundSecondColor.setBlue(str.toInt()); str = attribs.value("fileName").toString(); d->backgroundFileName = str; READ_DOUBLE_VALUE("opacity", backgroundOpacity); } else if(!preview && reader->name() == "plotProperties") { attribs = reader->attributes(); READ_INT_VALUE("plotsLocked", plotsLocked, bool); READ_INT_VALUE("cartesianPlotActionMode", cartesianPlotActionMode, Worksheet::CartesianPlotActionMode); } else if (reader->name() == "cartesianPlot") { CartesianPlot* plot = new CartesianPlot(QString()); plot->setIsLoading(true); if (!plot->load(reader, preview)) { delete plot; return false; } else addChildFast(plot); } else if (reader->name() == "textLabel") { TextLabel* label = new TextLabel(QString()); if (!label->load(reader, preview)) { delete label; return false; } else addChildFast(label); } else { // unknown element reader->raiseWarning(i18n("unknown element '%1'", reader->name().toString())); if (!reader->skipToEndElement()) return false; } } if (!preview) { d->m_scene->setSceneRect(rect); d->updateLayout(); } return true; } //############################################################################## //######################### Theme management ################################## //############################################################################## void Worksheet::loadTheme(const QString& theme) { KConfig config(ThemeHandler::themeFilePath(theme), KConfig::SimpleConfig); //apply the same background color for Worksheet as for the CartesianPlot 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()))); //load the theme for all the children const QVector& childElements = children(AbstractAspect::IncludeHidden); for (auto* child : childElements) child->loadThemeConfig(config); } diff --git a/src/backend/worksheet/WorksheetElementContainer.cpp b/src/backend/worksheet/WorksheetElementContainer.cpp index 33a05c773..9818b6e02 100644 --- a/src/backend/worksheet/WorksheetElementContainer.cpp +++ b/src/backend/worksheet/WorksheetElementContainer.cpp @@ -1,282 +1,286 @@ /*************************************************************************** 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(); } +/*! + * called if the size of the worksheet page was changed and the content has to be adjusted/resized (\c pageResize = true) + * or if a new rectangular for the element container was set (\c pageResize = false). + * In the second case, \c WorksheetElement::handleResize() is called for every worksheet child to adjuste the content to the new size. + * In the first case, a new rectangular for the container is calculated and set first, which on the other hand, triggers the content adjustments + * in the container children. + */ 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(); + for (auto* elem : children(IncludeHidden)) + elem->handleResize(horizontalRatio, verticalRatio); } } 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; //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); } } diff --git a/src/backend/worksheet/WorksheetElementContainer.h b/src/backend/worksheet/WorksheetElementContainer.h index 82d462b82..e0a65a517 100644 --- a/src/backend/worksheet/WorksheetElementContainer.h +++ b/src/backend/worksheet/WorksheetElementContainer.h @@ -1,78 +1,78 @@ /*************************************************************************** File : WorksheetElementContainer.h Project : LabPlot Description : Worksheet element container - parent of multiple elements. -------------------------------------------------------------------- Copyright : (C) 2009 Tilman Benkert (thzs@gmx.net) Copyright : (C) 2012-2017 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 * * * ***************************************************************************/ #ifndef WORKSHEETELEMENTCONTAINER_H #define WORKSHEETELEMENTCONTAINER_H #include "backend/worksheet/WorksheetElement.h" class WorksheetElementContainerPrivate; class WorksheetElementContainer : public WorksheetElement { Q_OBJECT public: explicit WorksheetElementContainer(const QString&); ~WorksheetElementContainer() override; QGraphicsItem* graphicsItem() const override; void setVisible(bool) override; bool isVisible() const override; bool isFullyVisible() const override; void setPrinting(bool) override; QRectF rect() const; virtual void setRect(const QRectF&) = 0; virtual void prepareGeometryChange(); + void handleResize(double horizontalRatio, double verticalRatio, bool pageResize = false) override; typedef WorksheetElementContainerPrivate Private; public slots: void retransform() override; - void handleResize(double horizontalRatio, double verticalRatio, bool pageResize = false) override; void childHovered(); void childUnhovered(); protected: WorksheetElementContainerPrivate* const d_ptr; WorksheetElementContainer(const QString&, WorksheetElementContainerPrivate*); protected slots: virtual void handleAspectAdded(const AbstractAspect*); private: Q_DECLARE_PRIVATE(WorksheetElementContainer) signals: friend class WorksheetElementContainerSetVisibleCmd; void visibleChanged(bool); }; #endif diff --git a/src/backend/worksheet/plots/cartesian/Axis.cpp b/src/backend/worksheet/plots/cartesian/Axis.cpp index 7e3370b86..39f7930f7 100644 --- a/src/backend/worksheet/plots/cartesian/Axis.cpp +++ b/src/backend/worksheet/plots/cartesian/Axis.cpp @@ -1,2318 +1,2318 @@ /*************************************************************************** File : Axis.cpp Project : LabPlot Description : Axis for cartesian coordinate systems. -------------------------------------------------------------------- Copyright : (C) 2011-2018 Alexander Semke (alexander.semke@web.de) Copyright : (C) 2013-2018 Stefan Gerlach (stefan.gerlach@uni.kn) ***************************************************************************/ /*************************************************************************** * * * 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/plots/cartesian/Axis.h" #include "backend/worksheet/plots/cartesian/AxisPrivate.h" #include "backend/worksheet/Worksheet.h" #include "backend/worksheet/TextLabel.h" #include "backend/worksheet/plots/cartesian/CartesianCoordinateSystem.h" #include "backend/worksheet/plots/cartesian/CartesianPlot.h" #include "backend/core/AbstractColumn.h" #include "backend/lib/commandtemplates.h" #include "backend/lib/XmlStreamReader.h" #include "backend/lib/macros.h" // #include "backend/lib/trace.h" #include "kdefrontend/GuiTools.h" #include #include #include #include #include #include #include extern "C" { #include "backend/nsl/nsl_math.h" } /** * \class AxisGrid * \brief Helper class to get the axis grid drawn with the z-Value=0. * * The painting of the grid lines is separated from the painting of the axis itself. * This allows to use a different z-values for the grid lines (z=0, drawn below all other objects ) * and for the axis (z=FLT_MAX, drawn on top of all other objects) * * \ingroup worksheet */ class AxisGrid : public QGraphicsItem { public: AxisGrid(AxisPrivate* a) { axis = a; setFlag(QGraphicsItem::ItemIsSelectable, false); setFlag(QGraphicsItem::ItemIsFocusable, false); setAcceptHoverEvents(false); } QRectF boundingRect() const override { QPainterPath gridShape; gridShape.addPath(WorksheetElement::shapeFromPath(axis->majorGridPath, axis->majorGridPen)); gridShape.addPath(WorksheetElement::shapeFromPath(axis->minorGridPath, axis->minorGridPen)); QRectF boundingRectangle = gridShape.boundingRect(); return boundingRectangle; } void paint(QPainter* painter, const QStyleOptionGraphicsItem* option, QWidget* widget) override { Q_UNUSED(option) Q_UNUSED(widget) if (!axis->isVisible()) return; if (axis->linePath.isEmpty()) return; //draw major grid if (axis->majorGridPen.style() != Qt::NoPen) { painter->setOpacity(axis->majorGridOpacity); painter->setPen(axis->majorGridPen); painter->setBrush(Qt::NoBrush); painter->drawPath(axis->majorGridPath); } //draw minor grid if (axis->minorGridPen.style() != Qt::NoPen) { painter->setOpacity(axis->minorGridOpacity); painter->setPen(axis->minorGridPen); painter->setBrush(Qt::NoBrush); painter->drawPath(axis->minorGridPath); } } private: AxisPrivate* axis; }; /** * \class Axis * \brief Axis for cartesian coordinate systems. * * \ingroup worksheet */ Axis::Axis(const QString& name, AxisOrientation orientation) : WorksheetElement(name), d_ptr(new AxisPrivate(this)) { d_ptr->orientation = orientation; init(); } Axis::Axis(const QString& name, AxisOrientation orientation, AxisPrivate* dd) : WorksheetElement(name), d_ptr(dd) { d_ptr->orientation = orientation; init(); } void Axis::finalizeAdd() { Q_D(Axis); d->plot = dynamic_cast(parentAspect()); Q_ASSERT(d->plot); d->cSystem = dynamic_cast(d->plot->coordinateSystem()); } void Axis::init() { Q_D(Axis); KConfig config; KConfigGroup group = config.group("Axis"); d->autoScale = true; d->position = Axis::AxisCustom; d->offset = group.readEntry("PositionOffset", 0); d->scale = (Axis::AxisScale) group.readEntry("Scale", (int) Axis::ScaleLinear); d->autoScale = group.readEntry("AutoScale", true); d->start = group.readEntry("Start", 0); d->end = group.readEntry("End", 10); d->zeroOffset = group.readEntry("ZeroOffset", 0); d->scalingFactor = group.readEntry("ScalingFactor", 1.0); d->linePen.setStyle( (Qt::PenStyle) group.readEntry("LineStyle", (int) Qt::SolidLine) ); d->linePen.setWidthF( group.readEntry("LineWidth", Worksheet::convertToSceneUnits( 1.0, Worksheet::Point ) ) ); d->lineOpacity = group.readEntry("LineOpacity", 1.0); d->arrowType = (Axis::ArrowType) group.readEntry("ArrowType", (int)Axis::NoArrow); d->arrowPosition = (Axis::ArrowPosition) group.readEntry("ArrowPosition", (int)Axis::ArrowRight); d->arrowSize = group.readEntry("ArrowSize", Worksheet::convertToSceneUnits(10, Worksheet::Point)); // axis title d->title = new TextLabel(this->name(), TextLabel::AxisTitle); connect( d->title, &TextLabel::changed, this, &Axis::labelChanged); addChild(d->title); d->title->setHidden(true); d->title->graphicsItem()->setParentItem(graphicsItem()); d->title->graphicsItem()->setFlag(QGraphicsItem::ItemIsMovable, false); d->title->graphicsItem()->setAcceptHoverEvents(false); d->title->setText(this->name()); if (d->orientation == AxisVertical) d->title->setRotationAngle(90); d->titleOffsetX = Worksheet::convertToSceneUnits(2, Worksheet::Point); //distance to the axis tick labels d->titleOffsetY = Worksheet::convertToSceneUnits(2, Worksheet::Point); //distance to the axis tick labels d->majorTicksDirection = (Axis::TicksDirection) group.readEntry("MajorTicksDirection", (int) Axis::ticksOut); d->majorTicksType = (Axis::TicksType) group.readEntry("MajorTicksType", (int) Axis::TicksTotalNumber); d->majorTicksNumber = group.readEntry("MajorTicksNumber", 11); d->majorTicksIncrement = group.readEntry("MajorTicksIncrement", -1.0); // set to negative value, so axisdocks determines the value to not to have to much labels the first time switched to TicksIncrement d->majorTicksPen.setStyle((Qt::PenStyle) group.readEntry("MajorTicksLineStyle", (int)Qt::SolidLine) ); d->majorTicksPen.setColor( group.readEntry("MajorTicksColor", QColor(Qt::black) ) ); d->majorTicksPen.setWidthF( group.readEntry("MajorTicksWidth", Worksheet::convertToSceneUnits(1.0, Worksheet::Point) ) ); d->majorTicksLength = group.readEntry("MajorTicksLength", Worksheet::convertToSceneUnits(6.0, Worksheet::Point)); d->majorTicksOpacity = group.readEntry("MajorTicksOpacity", 1.0); d->minorTicksDirection = (Axis::TicksDirection) group.readEntry("MinorTicksDirection", (int) Axis::ticksOut); d->minorTicksType = (Axis::TicksType) group.readEntry("MinorTicksType", (int) Axis::TicksTotalNumber); d->minorTicksNumber = group.readEntry("MinorTicksNumber", 1); d->minorTicksIncrement = group.readEntry("MinorTicksIncrement", -1.0); d->minorTicksPen.setStyle((Qt::PenStyle) group.readEntry("MinorTicksLineStyle", (int)Qt::SolidLine) ); d->minorTicksPen.setColor( group.readEntry("MinorTicksColor", QColor(Qt::black) ) ); d->minorTicksPen.setWidthF( group.readEntry("MinorTicksWidth", Worksheet::convertToSceneUnits(1.0, Worksheet::Point) ) ); d->minorTicksLength = group.readEntry("MinorTicksLength", Worksheet::convertToSceneUnits(3.0, Worksheet::Point)); d->minorTicksOpacity = group.readEntry("MinorTicksOpacity", 1.0); //Labels d->labelsFormat = (Axis::LabelsFormat) group.readEntry("LabelsFormat", (int)Axis::FormatDecimal); d->labelsAutoPrecision = group.readEntry("LabelsAutoPrecision", true); d->labelsPrecision = group.readEntry("LabelsPrecision", 1); d->labelsDateTimeFormat = group.readEntry("LabelsDateTimeFormat", "yyyy-MM-dd hh:mm:ss"); d->labelsPosition = (Axis::LabelsPosition) group.readEntry("LabelsPosition", (int) Axis::LabelsOut); d->labelsOffset = group.readEntry("LabelsOffset", Worksheet::convertToSceneUnits( 5.0, Worksheet::Point )); d->labelsRotationAngle = group.readEntry("LabelsRotation", 0); d->labelsFont = group.readEntry("LabelsFont", QFont()); d->labelsFont.setPixelSize( Worksheet::convertToSceneUnits( 10.0, Worksheet::Point ) ); d->labelsColor = group.readEntry("LabelsFontColor", QColor(Qt::black)); d->labelsPrefix = group.readEntry("LabelsPrefix", "" ); d->labelsSuffix = group.readEntry("LabelsSuffix", "" ); d->labelsOpacity = group.readEntry("LabelsOpacity", 1.0); //major grid d->majorGridPen.setStyle( (Qt::PenStyle) group.readEntry("MajorGridStyle", (int) Qt::NoPen) ); d->majorGridPen.setColor(group.readEntry("MajorGridColor", QColor(Qt::gray)) ); d->majorGridPen.setWidthF( group.readEntry("MajorGridWidth", Worksheet::convertToSceneUnits( 1.0, Worksheet::Point ) ) ); d->majorGridOpacity = group.readEntry("MajorGridOpacity", 1.0); //minor grid d->minorGridPen.setStyle( (Qt::PenStyle) group.readEntry("MinorGridStyle", (int) Qt::NoPen) ); d->minorGridPen.setColor(group.readEntry("MajorGridColor", QColor(Qt::gray)) ); d->minorGridPen.setWidthF( group.readEntry("MinorGridWidth", Worksheet::convertToSceneUnits( 1.0, Worksheet::Point ) ) ); d->minorGridOpacity = group.readEntry("MinorGridOpacity", 1.0); } /*! * For the most frequently edited properties, create Actions and ActionGroups for the context menu. * For some ActionGroups the actual actions are created in \c GuiTool, */ void Axis::initActions() { visibilityAction = new QAction(i18n("Visible"), this); visibilityAction->setCheckable(true); connect(visibilityAction, &QAction::triggered, this, &Axis::visibilityChangedSlot); //Orientation orientationActionGroup = new QActionGroup(this); orientationActionGroup->setExclusive(true); connect(orientationActionGroup, &QActionGroup::triggered, this, &Axis::orientationChangedSlot); orientationHorizontalAction = new QAction(i18n("Horizontal"), orientationActionGroup); orientationHorizontalAction->setCheckable(true); orientationVerticalAction = new QAction(i18n("Vertical"), orientationActionGroup); orientationVerticalAction->setCheckable(true); //Line lineStyleActionGroup = new QActionGroup(this); lineStyleActionGroup->setExclusive(true); connect(lineStyleActionGroup, &QActionGroup::triggered, this, &Axis::lineStyleChanged); lineColorActionGroup = new QActionGroup(this); lineColorActionGroup->setExclusive(true); connect(lineColorActionGroup, &QActionGroup::triggered, this, &Axis::lineColorChanged); //Ticks //TODO } void Axis::initMenus() { this->initActions(); //Orientation orientationMenu = new QMenu(i18n("Orientation")); orientationMenu->addAction(orientationHorizontalAction); orientationMenu->addAction(orientationVerticalAction); //Line lineMenu = new QMenu(i18n("Line")); lineStyleMenu = new QMenu(i18n("Style"), lineMenu); lineMenu->addMenu( lineStyleMenu ); lineColorMenu = new QMenu(i18n("Color"), lineMenu); GuiTools::fillColorMenu( lineColorMenu, lineColorActionGroup ); lineMenu->addMenu( lineColorMenu ); m_menusInitialized = true; } QMenu* Axis::createContextMenu() { if (!m_menusInitialized) initMenus(); Q_D(const Axis); 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); //Orientation if ( d->orientation == AxisHorizontal ) orientationHorizontalAction->setChecked(true); else orientationVerticalAction->setChecked(true); menu->insertMenu(firstAction, orientationMenu); //Line styles GuiTools::updatePenStyles( lineStyleMenu, lineStyleActionGroup, d->linePen.color() ); GuiTools::selectPenStyleAction(lineStyleActionGroup, d->linePen.style() ); GuiTools::selectColorAction(lineColorActionGroup, d->linePen.color() ); menu->insertMenu(firstAction, lineMenu); menu->insertSeparator(firstAction); return menu; } /*! Returns an icon to be used in the project explorer. */ QIcon Axis::icon() const{ Q_D(const Axis); QIcon ico; if (d->orientation == Axis::AxisHorizontal) ico = QIcon::fromTheme("labplot-axis-horizontal"); else ico = QIcon::fromTheme("labplot-axis-vertical"); return ico; } Axis::~Axis() { if (m_menusInitialized) { delete orientationMenu; delete lineMenu; } //no need to delete d->title, since it was added with addChild in init(); //no need to delete the d-pointer here - it inherits from QGraphicsItem //and is deleted during the cleanup in QGraphicsScene } QGraphicsItem *Axis::graphicsItem() const { return d_ptr; } /*! * overrides the implementation in WorksheetElement and sets the z-value to the maximal possible, * axes are drawn on top of all other object in the plot. */ void Axis::setZValue(qreal) { Q_D(Axis); d->setZValue(std::numeric_limits::max()); d->gridItem->setParentItem(d->parentItem()); d->gridItem->setZValue(0); } void Axis::retransform() { Q_D(Axis); d->retransform(); } void Axis::retransformTickLabelStrings() { Q_D(Axis); d->retransformTickLabelStrings(); } void Axis::setSuppressRetransform(bool value) { Q_D(Axis); d->suppressRetransform = value; } void Axis::handleResize(double horizontalRatio, double verticalRatio, bool pageResize) { // DEBUG("Axis::handleResize()"); Q_D(Axis); Q_UNUSED(pageResize); double ratio = 0; if (horizontalRatio > 1.0 || verticalRatio > 1.0) ratio = qMax(horizontalRatio, verticalRatio); else ratio = qMin(horizontalRatio, verticalRatio); QPen pen = d->linePen; pen.setWidthF(pen.widthF() * ratio); d->linePen = pen; d->majorTicksLength *= ratio; // ticks are perpendicular to axis line -> verticalRatio relevant d->minorTicksLength *= ratio; d->labelsFont.setPixelSize( d->labelsFont.pixelSize() * ratio ); //TODO: take into account rotated labels d->labelsOffset *= ratio; d->title->handleResize(horizontalRatio, verticalRatio, pageResize); } /* ============================ getter methods ================= */ BASIC_SHARED_D_READER_IMPL(Axis, bool, autoScale, autoScale) BASIC_SHARED_D_READER_IMPL(Axis, Axis::AxisOrientation, orientation, orientation) BASIC_SHARED_D_READER_IMPL(Axis, Axis::AxisPosition, position, position) BASIC_SHARED_D_READER_IMPL(Axis, Axis::AxisScale, scale, scale) BASIC_SHARED_D_READER_IMPL(Axis, double, offset, offset) BASIC_SHARED_D_READER_IMPL(Axis, double, start, start) BASIC_SHARED_D_READER_IMPL(Axis, double, end, end) BASIC_SHARED_D_READER_IMPL(Axis, qreal, scalingFactor, scalingFactor) BASIC_SHARED_D_READER_IMPL(Axis, qreal, zeroOffset, zeroOffset) BASIC_SHARED_D_READER_IMPL(Axis, TextLabel*, title, title) BASIC_SHARED_D_READER_IMPL(Axis, qreal, titleOffsetX, titleOffsetX) BASIC_SHARED_D_READER_IMPL(Axis, qreal, titleOffsetY, titleOffsetY) CLASS_SHARED_D_READER_IMPL(Axis, QPen, linePen, linePen) BASIC_SHARED_D_READER_IMPL(Axis, qreal, lineOpacity, lineOpacity) BASIC_SHARED_D_READER_IMPL(Axis, Axis::ArrowType, arrowType, arrowType) BASIC_SHARED_D_READER_IMPL(Axis, Axis::ArrowPosition, arrowPosition, arrowPosition) BASIC_SHARED_D_READER_IMPL(Axis, qreal, arrowSize, arrowSize) BASIC_SHARED_D_READER_IMPL(Axis, Axis::TicksDirection, majorTicksDirection, majorTicksDirection) BASIC_SHARED_D_READER_IMPL(Axis, Axis::TicksType, majorTicksType, majorTicksType) BASIC_SHARED_D_READER_IMPL(Axis, int, majorTicksNumber, majorTicksNumber) BASIC_SHARED_D_READER_IMPL(Axis, qreal, majorTicksIncrement, majorTicksIncrement) BASIC_SHARED_D_READER_IMPL(Axis, const AbstractColumn*, majorTicksColumn, majorTicksColumn) QString& Axis::majorTicksColumnPath() const { return d_ptr->majorTicksColumnPath; } BASIC_SHARED_D_READER_IMPL(Axis, qreal, majorTicksLength, majorTicksLength) CLASS_SHARED_D_READER_IMPL(Axis, QPen, majorTicksPen, majorTicksPen) BASIC_SHARED_D_READER_IMPL(Axis, qreal, majorTicksOpacity, majorTicksOpacity) BASIC_SHARED_D_READER_IMPL(Axis, Axis::TicksDirection, minorTicksDirection, minorTicksDirection) BASIC_SHARED_D_READER_IMPL(Axis, Axis::TicksType, minorTicksType, minorTicksType) BASIC_SHARED_D_READER_IMPL(Axis, int, minorTicksNumber, minorTicksNumber) BASIC_SHARED_D_READER_IMPL(Axis, qreal, minorTicksIncrement, minorTicksIncrement) BASIC_SHARED_D_READER_IMPL(Axis, const AbstractColumn*, minorTicksColumn, minorTicksColumn) QString& Axis::minorTicksColumnPath() const { return d_ptr->minorTicksColumnPath; } BASIC_SHARED_D_READER_IMPL(Axis, qreal, minorTicksLength, minorTicksLength) CLASS_SHARED_D_READER_IMPL(Axis, QPen, minorTicksPen, minorTicksPen) BASIC_SHARED_D_READER_IMPL(Axis, qreal, minorTicksOpacity, minorTicksOpacity) BASIC_SHARED_D_READER_IMPL(Axis, Axis::LabelsFormat, labelsFormat, labelsFormat); BASIC_SHARED_D_READER_IMPL(Axis, bool, labelsAutoPrecision, labelsAutoPrecision); BASIC_SHARED_D_READER_IMPL(Axis, int, labelsPrecision, labelsPrecision); BASIC_SHARED_D_READER_IMPL(Axis, QString, labelsDateTimeFormat, labelsDateTimeFormat); BASIC_SHARED_D_READER_IMPL(Axis, Axis::LabelsPosition, labelsPosition, labelsPosition); BASIC_SHARED_D_READER_IMPL(Axis, qreal, labelsOffset, labelsOffset); BASIC_SHARED_D_READER_IMPL(Axis, qreal, labelsRotationAngle, labelsRotationAngle); CLASS_SHARED_D_READER_IMPL(Axis, QColor, labelsColor, labelsColor); CLASS_SHARED_D_READER_IMPL(Axis, QFont, labelsFont, labelsFont); CLASS_SHARED_D_READER_IMPL(Axis, QString, labelsPrefix, labelsPrefix); CLASS_SHARED_D_READER_IMPL(Axis, QString, labelsSuffix, labelsSuffix); BASIC_SHARED_D_READER_IMPL(Axis, qreal, labelsOpacity, labelsOpacity); CLASS_SHARED_D_READER_IMPL(Axis, QPen, majorGridPen, majorGridPen) BASIC_SHARED_D_READER_IMPL(Axis, qreal, majorGridOpacity, majorGridOpacity) CLASS_SHARED_D_READER_IMPL(Axis, QPen, minorGridPen, minorGridPen) BASIC_SHARED_D_READER_IMPL(Axis, qreal, minorGridOpacity, minorGridOpacity) /* ============================ setter methods and undo commands ================= */ STD_SETTER_CMD_IMPL_F_S(Axis, SetAutoScale, bool, autoScale, retransform); void Axis::setAutoScale(bool autoScale) { Q_D(Axis); if (autoScale != d->autoScale) { exec(new AxisSetAutoScaleCmd(d, autoScale, ki18n("%1: set axis auto scaling"))); if (autoScale) { auto* plot = qobject_cast(parentAspect()); if (!plot) return; if (d->orientation == Axis::AxisHorizontal) { d->end = plot->xMax(); d->start = plot->xMin(); } else { d->end = plot->yMax(); d->start = plot->yMin(); } retransform(); emit endChanged(d->end); emit startChanged(d->start); } } } STD_SWAP_METHOD_SETTER_CMD_IMPL(Axis, SetVisible, bool, swapVisible); void Axis::setVisible(bool on) { Q_D(Axis); exec(new AxisSetVisibleCmd(d, on, on ? ki18n("%1: set visible") : ki18n("%1: set invisible"))); } bool Axis::isVisible() const { Q_D(const Axis); return d->isVisible(); } void Axis::setPrinting(bool on) { Q_D(Axis); d->setPrinting(on); } STD_SETTER_CMD_IMPL_F_S(Axis, SetOrientation, Axis::AxisOrientation, orientation, retransform); void Axis::setOrientation( AxisOrientation orientation) { Q_D(Axis); if (orientation != d->orientation) exec(new AxisSetOrientationCmd(d, orientation, ki18n("%1: set axis orientation"))); } STD_SETTER_CMD_IMPL_F_S(Axis, SetPosition, Axis::AxisPosition, position, retransform); void Axis::setPosition(AxisPosition position) { Q_D(Axis); if (position != d->position) exec(new AxisSetPositionCmd(d, position, ki18n("%1: set axis position"))); } STD_SETTER_CMD_IMPL_F_S(Axis, SetScaling, Axis::AxisScale, scale, retransformTicks); void Axis::setScale(AxisScale scale) { Q_D(Axis); if (scale != d->scale) exec(new AxisSetScalingCmd(d, scale, ki18n("%1: set axis scale"))); } STD_SETTER_CMD_IMPL_F(Axis, SetOffset, double, offset, retransform); void Axis::setOffset(double offset, bool undo) { Q_D(Axis); if (offset != d->offset) { if (undo) { exec(new AxisSetOffsetCmd(d, offset, ki18n("%1: set axis offset"))); } else { d->offset = offset; //don't need to call retransform() afterward //since the only usage of this call is in CartesianPlot, where retransform is called for all children anyway. } emit positionChanged(offset); } } STD_SETTER_CMD_IMPL_F_S(Axis, SetStart, double, start, retransform); void Axis::setStart(double start) { Q_D(Axis); if (start != d->start) exec(new AxisSetStartCmd(d, start, ki18n("%1: set axis start"))); } STD_SETTER_CMD_IMPL_F_S(Axis, SetEnd, double, end, retransform); void Axis::setEnd(double end) { Q_D(Axis); if (end != d->end) exec(new AxisSetEndCmd(d, end, ki18n("%1: set axis end"))); } STD_SETTER_CMD_IMPL_F_S(Axis, SetZeroOffset, qreal, zeroOffset, retransform); void Axis::setZeroOffset(qreal zeroOffset) { Q_D(Axis); if (zeroOffset != d->zeroOffset) exec(new AxisSetZeroOffsetCmd(d, zeroOffset, ki18n("%1: set axis zero offset"))); } STD_SETTER_CMD_IMPL_F_S(Axis, SetScalingFactor, qreal, scalingFactor, retransform); void Axis::setScalingFactor(qreal scalingFactor) { Q_D(Axis); if (scalingFactor != d->scalingFactor) exec(new AxisSetScalingFactorCmd(d, scalingFactor, ki18n("%1: set axis scaling factor"))); } //Title STD_SETTER_CMD_IMPL_F_S(Axis, SetTitleOffsetX, qreal, titleOffsetX, retransform); void Axis::setTitleOffsetX(qreal offset) { Q_D(Axis); if (offset != d->titleOffsetX) exec(new AxisSetTitleOffsetXCmd(d, offset, ki18n("%1: set title offset"))); } STD_SETTER_CMD_IMPL_F_S(Axis, SetTitleOffsetY, qreal, titleOffsetY, retransform); void Axis::setTitleOffsetY(qreal offset) { Q_D(Axis); if (offset != d->titleOffsetY) exec(new AxisSetTitleOffsetYCmd(d, offset, ki18n("%1: set title offset"))); } //Line STD_SETTER_CMD_IMPL_F_S(Axis, SetLinePen, QPen, linePen, recalcShapeAndBoundingRect); void Axis::setLinePen(const QPen &pen) { Q_D(Axis); if (pen != d->linePen) exec(new AxisSetLinePenCmd(d, pen, ki18n("%1: set line style"))); } STD_SETTER_CMD_IMPL_F_S(Axis, SetLineOpacity, qreal, lineOpacity, update); void Axis::setLineOpacity(qreal opacity) { Q_D(Axis); if (opacity != d->lineOpacity) exec(new AxisSetLineOpacityCmd(d, opacity, ki18n("%1: set line opacity"))); } STD_SETTER_CMD_IMPL_F_S(Axis, SetArrowType, Axis::ArrowType, arrowType, retransformArrow); void Axis::setArrowType(ArrowType type) { Q_D(Axis); if (type != d->arrowType) exec(new AxisSetArrowTypeCmd(d, type, ki18n("%1: set arrow type"))); } STD_SETTER_CMD_IMPL_F_S(Axis, SetArrowPosition, Axis::ArrowPosition, arrowPosition, retransformArrow); void Axis::setArrowPosition(ArrowPosition position) { Q_D(Axis); if (position != d->arrowPosition) exec(new AxisSetArrowPositionCmd(d, position, ki18n("%1: set arrow position"))); } STD_SETTER_CMD_IMPL_F_S(Axis, SetArrowSize, qreal, arrowSize, retransformArrow); void Axis::setArrowSize(qreal arrowSize) { Q_D(Axis); if (arrowSize != d->arrowSize) exec(new AxisSetArrowSizeCmd(d, arrowSize, ki18n("%1: set arrow size"))); } //Major ticks STD_SETTER_CMD_IMPL_F_S(Axis, SetMajorTicksDirection, Axis::TicksDirection, majorTicksDirection, retransformTicks); void Axis::setMajorTicksDirection(TicksDirection majorTicksDirection) { Q_D(Axis); if (majorTicksDirection != d->majorTicksDirection) exec(new AxisSetMajorTicksDirectionCmd(d, majorTicksDirection, ki18n("%1: set major ticks direction"))); } STD_SETTER_CMD_IMPL_F_S(Axis, SetMajorTicksType, Axis::TicksType, majorTicksType, retransformTicks); void Axis::setMajorTicksType(TicksType majorTicksType) { Q_D(Axis); if (majorTicksType!= d->majorTicksType) exec(new AxisSetMajorTicksTypeCmd(d, majorTicksType, ki18n("%1: set major ticks type"))); } STD_SETTER_CMD_IMPL_F_S(Axis, SetMajorTicksNumber, int, majorTicksNumber, retransformTicks); void Axis::setMajorTicksNumber(int majorTicksNumber) { Q_D(Axis); if (majorTicksNumber != d->majorTicksNumber) exec(new AxisSetMajorTicksNumberCmd(d, majorTicksNumber, ki18n("%1: set the total number of the major ticks"))); } STD_SETTER_CMD_IMPL_F_S(Axis, SetMajorTicksIncrement, qreal, majorTicksIncrement, retransformTicks); void Axis::setMajorTicksIncrement(qreal majorTicksIncrement) { Q_D(Axis); if (majorTicksIncrement != d->majorTicksIncrement) exec(new AxisSetMajorTicksIncrementCmd(d, majorTicksIncrement, ki18n("%1: set the increment for the major ticks"))); } STD_SETTER_CMD_IMPL_F_S(Axis, SetMajorTicksColumn, const AbstractColumn*, majorTicksColumn, retransformTicks) void Axis::setMajorTicksColumn(const AbstractColumn* column) { Q_D(Axis); if (column != d->majorTicksColumn) { exec(new AxisSetMajorTicksColumnCmd(d, column, ki18n("%1: assign major ticks' values"))); if (column) { connect(column, &AbstractColumn::dataChanged, this, &Axis::retransformTicks); connect(column->parentAspect(), &AbstractAspect::aspectAboutToBeRemoved, this, &Axis::majorTicksColumnAboutToBeRemoved); //TODO: add disconnect in the undo-function } } } STD_SETTER_CMD_IMPL_F_S(Axis, SetMajorTicksPen, QPen, majorTicksPen, recalcShapeAndBoundingRect); void Axis::setMajorTicksPen(const QPen& pen) { Q_D(Axis); if (pen != d->majorTicksPen) exec(new AxisSetMajorTicksPenCmd(d, pen, ki18n("%1: set major ticks style"))); } STD_SETTER_CMD_IMPL_F_S(Axis, SetMajorTicksLength, qreal, majorTicksLength, retransformTicks); void Axis::setMajorTicksLength(qreal majorTicksLength) { Q_D(Axis); if (majorTicksLength != d->majorTicksLength) exec(new AxisSetMajorTicksLengthCmd(d, majorTicksLength, ki18n("%1: set major ticks length"))); } STD_SETTER_CMD_IMPL_F_S(Axis, SetMajorTicksOpacity, qreal, majorTicksOpacity, update); void Axis::setMajorTicksOpacity(qreal opacity) { Q_D(Axis); if (opacity != d->majorTicksOpacity) exec(new AxisSetMajorTicksOpacityCmd(d, opacity, ki18n("%1: set major ticks opacity"))); } //Minor ticks STD_SETTER_CMD_IMPL_F_S(Axis, SetMinorTicksDirection, Axis::TicksDirection, minorTicksDirection, retransformTicks); void Axis::setMinorTicksDirection(TicksDirection minorTicksDirection) { Q_D(Axis); if (minorTicksDirection != d->minorTicksDirection) exec(new AxisSetMinorTicksDirectionCmd(d, minorTicksDirection, ki18n("%1: set minor ticks direction"))); } STD_SETTER_CMD_IMPL_F_S(Axis, SetMinorTicksType, Axis::TicksType, minorTicksType, retransformTicks); void Axis::setMinorTicksType(TicksType minorTicksType) { Q_D(Axis); if (minorTicksType!= d->minorTicksType) exec(new AxisSetMinorTicksTypeCmd(d, minorTicksType, ki18n("%1: set minor ticks type"))); } STD_SETTER_CMD_IMPL_F_S(Axis, SetMinorTicksNumber, int, minorTicksNumber, retransformTicks); void Axis::setMinorTicksNumber(int minorTicksNumber) { Q_D(Axis); if (minorTicksNumber != d->minorTicksNumber) exec(new AxisSetMinorTicksNumberCmd(d, minorTicksNumber, ki18n("%1: set the total number of the minor ticks"))); } STD_SETTER_CMD_IMPL_F_S(Axis, SetMinorTicksIncrement, qreal, minorTicksIncrement, retransformTicks); void Axis::setMinorTicksIncrement(qreal minorTicksIncrement) { Q_D(Axis); if (minorTicksIncrement != d->minorTicksIncrement) exec(new AxisSetMinorTicksIncrementCmd(d, minorTicksIncrement, ki18n("%1: set the increment for the minor ticks"))); } STD_SETTER_CMD_IMPL_F_S(Axis, SetMinorTicksColumn, const AbstractColumn*, minorTicksColumn, retransformTicks) void Axis::setMinorTicksColumn(const AbstractColumn* column) { Q_D(Axis); if (column != d->minorTicksColumn) { exec(new AxisSetMinorTicksColumnCmd(d, column, ki18n("%1: assign minor ticks' values"))); if (column) { connect(column, &AbstractColumn::dataChanged, this, &Axis::retransformTicks); connect(column->parentAspect(), &AbstractAspect::aspectAboutToBeRemoved, this, &Axis::minorTicksColumnAboutToBeRemoved); //TODO: add disconnect in the undo-function } } } STD_SETTER_CMD_IMPL_F_S(Axis, SetMinorTicksPen, QPen, minorTicksPen, recalcShapeAndBoundingRect); void Axis::setMinorTicksPen(const QPen& pen) { Q_D(Axis); if (pen != d->minorTicksPen) exec(new AxisSetMinorTicksPenCmd(d, pen, ki18n("%1: set minor ticks style"))); } STD_SETTER_CMD_IMPL_F_S(Axis, SetMinorTicksLength, qreal, minorTicksLength, retransformTicks); void Axis::setMinorTicksLength(qreal minorTicksLength) { Q_D(Axis); if (minorTicksLength != d->minorTicksLength) exec(new AxisSetMinorTicksLengthCmd(d, minorTicksLength, ki18n("%1: set minor ticks length"))); } STD_SETTER_CMD_IMPL_F_S(Axis, SetMinorTicksOpacity, qreal, minorTicksOpacity, update); void Axis::setMinorTicksOpacity(qreal opacity) { Q_D(Axis); if (opacity != d->minorTicksOpacity) exec(new AxisSetMinorTicksOpacityCmd(d, opacity, ki18n("%1: set minor ticks opacity"))); } //Labels STD_SETTER_CMD_IMPL_F_S(Axis, SetLabelsFormat, Axis::LabelsFormat, labelsFormat, retransformTicks); void Axis::setLabelsFormat(LabelsFormat labelsFormat) { Q_D(Axis); if (labelsFormat != d->labelsFormat) { exec(new AxisSetLabelsFormatCmd(d, labelsFormat, ki18n("%1: set labels format"))); //TODO: this part is not undo/redo-aware if (d->labelsFormatAutoChanged && labelsFormat == Axis::FormatDecimal) d->labelsFormatDecimalOverruled = true; else d->labelsFormatDecimalOverruled = false; } } STD_SETTER_CMD_IMPL_F_S(Axis, SetLabelsAutoPrecision, bool, labelsAutoPrecision, retransformTickLabelStrings); void Axis::setLabelsAutoPrecision(bool labelsAutoPrecision) { Q_D(Axis); if (labelsAutoPrecision != d->labelsAutoPrecision) exec(new AxisSetLabelsAutoPrecisionCmd(d, labelsAutoPrecision, ki18n("%1: set labels precision"))); } STD_SETTER_CMD_IMPL_F_S(Axis, SetLabelsPrecision, int, labelsPrecision, retransformTickLabelStrings); void Axis::setLabelsPrecision(int labelsPrecision) { Q_D(Axis); if (labelsPrecision != d->labelsPrecision) exec(new AxisSetLabelsPrecisionCmd(d, labelsPrecision, ki18n("%1: set labels precision"))); } STD_SETTER_CMD_IMPL_F_S(Axis, SetLabelsDateTimeFormat, QString, labelsDateTimeFormat, retransformTickLabelStrings); void Axis::setLabelsDateTimeFormat(const QString& format) { Q_D(Axis); if (format != d->labelsDateTimeFormat) exec(new AxisSetLabelsDateTimeFormatCmd(d, format, ki18n("%1: set labels datetime format"))); } STD_SETTER_CMD_IMPL_F_S(Axis, SetLabelsPosition, Axis::LabelsPosition, labelsPosition, retransformTickLabelPositions); void Axis::setLabelsPosition(LabelsPosition labelsPosition) { Q_D(Axis); if (labelsPosition != d->labelsPosition) exec(new AxisSetLabelsPositionCmd(d, labelsPosition, ki18n("%1: set labels position"))); } STD_SETTER_CMD_IMPL_F_S(Axis, SetLabelsOffset, double, labelsOffset, retransformTickLabelPositions); void Axis::setLabelsOffset(double offset) { Q_D(Axis); if (offset != d->labelsOffset) exec(new AxisSetLabelsOffsetCmd(d, offset, ki18n("%1: set label offset"))); } STD_SETTER_CMD_IMPL_F_S(Axis, SetLabelsRotationAngle, qreal, labelsRotationAngle, retransformTickLabelPositions); void Axis::setLabelsRotationAngle(qreal angle) { Q_D(Axis); if (angle != d->labelsRotationAngle) exec(new AxisSetLabelsRotationAngleCmd(d, angle, ki18n("%1: set label rotation angle"))); } STD_SETTER_CMD_IMPL_F_S(Axis, SetLabelsColor, QColor, labelsColor, update); void Axis::setLabelsColor(const QColor& color) { Q_D(Axis); if (color != d->labelsColor) exec(new AxisSetLabelsColorCmd(d, color, ki18n("%1: set label color"))); } STD_SETTER_CMD_IMPL_F_S(Axis, SetLabelsFont, QFont, labelsFont, retransformTickLabelStrings); void Axis::setLabelsFont(const QFont& font) { Q_D(Axis); if (font != d->labelsFont) exec(new AxisSetLabelsFontCmd(d, font, ki18n("%1: set label font"))); } STD_SETTER_CMD_IMPL_F_S(Axis, SetLabelsPrefix, QString, labelsPrefix, retransformTickLabelStrings); void Axis::setLabelsPrefix(const QString& prefix) { Q_D(Axis); if (prefix != d->labelsPrefix) exec(new AxisSetLabelsPrefixCmd(d, prefix, ki18n("%1: set label prefix"))); } STD_SETTER_CMD_IMPL_F_S(Axis, SetLabelsSuffix, QString, labelsSuffix, retransformTickLabelStrings); void Axis::setLabelsSuffix(const QString& suffix) { Q_D(Axis); if (suffix != d->labelsSuffix) exec(new AxisSetLabelsSuffixCmd(d, suffix, ki18n("%1: set label suffix"))); } STD_SETTER_CMD_IMPL_F_S(Axis, SetLabelsOpacity, qreal, labelsOpacity, update); void Axis::setLabelsOpacity(qreal opacity) { Q_D(Axis); if (opacity != d->labelsOpacity) exec(new AxisSetLabelsOpacityCmd(d, opacity, ki18n("%1: set labels opacity"))); } //Major grid STD_SETTER_CMD_IMPL_F_S(Axis, SetMajorGridPen, QPen, majorGridPen, retransformMajorGrid); void Axis::setMajorGridPen(const QPen& pen) { Q_D(Axis); if (pen != d->majorGridPen) exec(new AxisSetMajorGridPenCmd(d, pen, ki18n("%1: set major grid style"))); } STD_SETTER_CMD_IMPL_F_S(Axis, SetMajorGridOpacity, qreal, majorGridOpacity, update); void Axis::setMajorGridOpacity(qreal opacity) { Q_D(Axis); if (opacity != d->majorGridOpacity) exec(new AxisSetMajorGridOpacityCmd(d, opacity, ki18n("%1: set major grid opacity"))); } //Minor grid STD_SETTER_CMD_IMPL_F_S(Axis, SetMinorGridPen, QPen, minorGridPen, retransformMinorGrid); void Axis::setMinorGridPen(const QPen& pen) { Q_D(Axis); if (pen != d->minorGridPen) exec(new AxisSetMinorGridPenCmd(d, pen, ki18n("%1: set minor grid style"))); } STD_SETTER_CMD_IMPL_F_S(Axis, SetMinorGridOpacity, qreal, minorGridOpacity, update); void Axis::setMinorGridOpacity(qreal opacity) { Q_D(Axis); if (opacity != d->minorGridOpacity) exec(new AxisSetMinorGridOpacityCmd(d, opacity, ki18n("%1: set minor grid opacity"))); } //############################################################################## //#################################### SLOTs ################################ //############################################################################## void Axis::labelChanged() { Q_D(Axis); d->recalcShapeAndBoundingRect(); } void Axis::retransformTicks() { Q_D(Axis); d->retransformTicks(); } void Axis::majorTicksColumnAboutToBeRemoved(const AbstractAspect* aspect) { Q_D(Axis); if (aspect == d->majorTicksColumn) { d->majorTicksColumn = nullptr; d->retransformTicks(); } } void Axis::minorTicksColumnAboutToBeRemoved(const AbstractAspect* aspect) { Q_D(Axis); if (aspect == d->minorTicksColumn) { d->minorTicksColumn = nullptr; d->retransformTicks(); } } //############################################################################## //###### SLOTs for changes triggered via QActions in the context menu ######## //############################################################################## void Axis::orientationChangedSlot(QAction* action) { if (action == orientationHorizontalAction) this->setOrientation(AxisHorizontal); else this->setOrientation(AxisVertical); } void Axis::lineStyleChanged(QAction* action) { Q_D(const Axis); QPen pen = d->linePen; pen.setStyle(GuiTools::penStyleFromAction(lineStyleActionGroup, action)); this->setLinePen(pen); } void Axis::lineColorChanged(QAction* action) { Q_D(const Axis); QPen pen = d->linePen; pen.setColor(GuiTools::colorFromAction(lineColorActionGroup, action)); this->setLinePen(pen); } void Axis::visibilityChangedSlot() { Q_D(const Axis); this->setVisible(!d->isVisible()); } //##################################################################### //################### Private implementation ########################## //##################################################################### AxisPrivate::AxisPrivate(Axis* owner) : gridItem(new AxisGrid(this)), q(owner) { setFlag(QGraphicsItem::ItemIsSelectable, true); setFlag(QGraphicsItem::ItemIsFocusable, true); setAcceptHoverEvents(true); } QString AxisPrivate::name() const{ return q->name(); } bool AxisPrivate::swapVisible(bool on) { bool oldValue = isVisible(); setVisible(on); emit q->visibilityChanged(on); return oldValue; } QRectF AxisPrivate::boundingRect() const{ return boundingRectangle; } /*! Returns the shape of the XYCurve as a QPainterPath in local coordinates */ QPainterPath AxisPrivate::shape() const{ return axisShape; } /*! recalculates the position of the axis on the worksheet */ void AxisPrivate::retransform() { if (suppressRetransform || !plot) return; // PERFTRACE(name().toLatin1() + ", AxisPrivate::retransform()"); m_suppressRecalc = true; retransformLine(); m_suppressRecalc = false; recalcShapeAndBoundingRect(); } void AxisPrivate::retransformLine() { if (suppressRetransform) return; linePath = QPainterPath(); lines.clear(); QPointF startPoint; QPointF endPoint; if (orientation == Axis::AxisHorizontal) { if (position == Axis::AxisTop) offset = plot->yMax(); else if (position == Axis::AxisBottom) offset = plot->yMin(); else if (position == Axis::AxisCentered) offset = plot->yMin() + (plot->yMax()-plot->yMin())/2; startPoint.setX(start); startPoint.setY(offset); endPoint.setX(end); endPoint.setY(offset); } else { // vertical if (position == Axis::AxisLeft) offset = plot->xMin(); else if (position == Axis::AxisRight) offset = plot->xMax(); else if (position == Axis::AxisCentered) offset = plot->xMin() + (plot->xMax()-plot->xMin())/2; startPoint.setX(offset); startPoint.setY(start); endPoint.setY(end); endPoint.setX(offset); } lines.append(QLineF(startPoint, endPoint)); lines = cSystem->mapLogicalToScene(lines, AbstractCoordinateSystem::MarkGaps); for (const auto& line : lines) { linePath.moveTo(line.p1()); linePath.lineTo(line.p2()); } if (linePath.isEmpty()) { recalcShapeAndBoundingRect(); return; } else { retransformArrow(); retransformTicks(); } } void AxisPrivate::retransformArrow() { if (suppressRetransform) return; arrowPath = QPainterPath(); if (arrowType == Axis::NoArrow || lines.isEmpty()) { recalcShapeAndBoundingRect(); return; } if (arrowPosition == Axis::ArrowRight || arrowPosition == Axis::ArrowBoth) { const QPointF& endPoint = lines.at(lines.size()-1).p2(); this->addArrow(endPoint, 1); } if (arrowPosition == Axis::ArrowLeft || arrowPosition == Axis::ArrowBoth) { const QPointF& endPoint = lines.at(0).p1(); this->addArrow(endPoint, -1); } recalcShapeAndBoundingRect(); } void AxisPrivate::addArrow(QPointF startPoint, int direction) { static const double cos_phi = cos(M_PI/6.); if (orientation == Axis::AxisHorizontal) { QPointF endPoint = QPointF(startPoint.x() + direction*arrowSize, startPoint.y()); arrowPath.moveTo(startPoint); arrowPath.lineTo(endPoint); switch (arrowType) { case Axis::NoArrow: break; case Axis::SimpleArrowSmall: arrowPath.moveTo(endPoint); arrowPath.lineTo(QPointF(endPoint.x()-direction*arrowSize/4, endPoint.y()-arrowSize/4*cos_phi)); arrowPath.moveTo(endPoint); arrowPath.lineTo(QPointF(endPoint.x()-direction*arrowSize/4, endPoint.y()+arrowSize/4*cos_phi)); break; case Axis::SimpleArrowBig: arrowPath.moveTo(endPoint); arrowPath.lineTo(QPointF(endPoint.x()-direction*arrowSize/2, endPoint.y()-arrowSize/2*cos_phi)); arrowPath.moveTo(endPoint); arrowPath.lineTo(QPointF(endPoint.x()-direction*arrowSize/2, endPoint.y()+arrowSize/2*cos_phi)); break; case Axis::FilledArrowSmall: arrowPath.lineTo(QPointF(endPoint.x()-direction*arrowSize/4, endPoint.y()-arrowSize/4*cos_phi)); arrowPath.lineTo(QPointF(endPoint.x()-direction*arrowSize/4, endPoint.y()+arrowSize/4*cos_phi)); arrowPath.lineTo(endPoint); break; case Axis::FilledArrowBig: arrowPath.lineTo(QPointF(endPoint.x()-direction*arrowSize/2, endPoint.y()-arrowSize/2*cos_phi)); arrowPath.lineTo(QPointF(endPoint.x()-direction*arrowSize/2, endPoint.y()+arrowSize/2*cos_phi)); arrowPath.lineTo(endPoint); break; case Axis::SemiFilledArrowSmall: arrowPath.lineTo(QPointF(endPoint.x()-direction*arrowSize/4, endPoint.y()-arrowSize/4*cos_phi)); arrowPath.lineTo(QPointF(endPoint.x()-direction*arrowSize/8, endPoint.y())); arrowPath.lineTo(QPointF(endPoint.x()-direction*arrowSize/4, endPoint.y()+arrowSize/4*cos_phi)); arrowPath.lineTo(endPoint); break; case Axis::SemiFilledArrowBig: arrowPath.lineTo(QPointF(endPoint.x()-direction*arrowSize/2, endPoint.y()-arrowSize/2*cos_phi)); arrowPath.lineTo(QPointF(endPoint.x()-direction*arrowSize/4, endPoint.y())); arrowPath.lineTo(QPointF(endPoint.x()-direction*arrowSize/2, endPoint.y()+arrowSize/2*cos_phi)); arrowPath.lineTo(endPoint); break; } } else { //vertical orientation QPointF endPoint = QPointF(startPoint.x(), startPoint.y()-direction*arrowSize); arrowPath.moveTo(startPoint); arrowPath.lineTo(endPoint); switch (arrowType) { case Axis::NoArrow: break; case Axis::SimpleArrowSmall: arrowPath.moveTo(endPoint); arrowPath.lineTo(QPointF(endPoint.x()-arrowSize/4*cos_phi, endPoint.y()+direction*arrowSize/4)); arrowPath.moveTo(endPoint); arrowPath.lineTo(QPointF(endPoint.x()+arrowSize/4*cos_phi, endPoint.y()+direction*arrowSize/4)); break; case Axis::SimpleArrowBig: arrowPath.moveTo(endPoint); arrowPath.lineTo(QPointF(endPoint.x()-arrowSize/2*cos_phi, endPoint.y()+direction*arrowSize/2)); arrowPath.moveTo(endPoint); arrowPath.lineTo(QPointF(endPoint.x()+arrowSize/2*cos_phi, endPoint.y()+direction*arrowSize/2)); break; case Axis::FilledArrowSmall: arrowPath.lineTo(QPointF(endPoint.x()-arrowSize/4*cos_phi, endPoint.y()+direction*arrowSize/4)); arrowPath.lineTo(QPointF(endPoint.x()+arrowSize/4*cos_phi, endPoint.y()+direction*arrowSize/4)); arrowPath.lineTo(endPoint); break; case Axis::FilledArrowBig: arrowPath.lineTo(QPointF(endPoint.x()-arrowSize/2*cos_phi, endPoint.y()+direction*arrowSize/2)); arrowPath.lineTo(QPointF(endPoint.x()+arrowSize/2*cos_phi, endPoint.y()+direction*arrowSize/2)); arrowPath.lineTo(endPoint); break; case Axis::SemiFilledArrowSmall: arrowPath.lineTo(QPointF(endPoint.x()-arrowSize/4*cos_phi, endPoint.y()+direction*arrowSize/4)); arrowPath.lineTo(QPointF(endPoint.x(), endPoint.y()+direction*arrowSize/8)); arrowPath.lineTo(QPointF(endPoint.x()+arrowSize/4*cos_phi, endPoint.y()+direction*arrowSize/4)); arrowPath.lineTo(endPoint); break; case Axis::SemiFilledArrowBig: arrowPath.lineTo(QPointF(endPoint.x()-arrowSize/2*cos_phi, endPoint.y()+direction*arrowSize/2)); arrowPath.lineTo(QPointF(endPoint.x(), endPoint.y()+direction*arrowSize/4)); arrowPath.lineTo(QPointF(endPoint.x()+arrowSize/2*cos_phi, endPoint.y()+direction*arrowSize/2)); arrowPath.lineTo(endPoint); break; } } } //! helper function for retransformTicks() bool AxisPrivate::transformAnchor(QPointF* anchorPoint) { QVector points; points.append(*anchorPoint); points = cSystem->mapLogicalToScene(points); if (points.count() != 1) { // point is not mappable or in a coordinate gap return false; } else { *anchorPoint = points.at(0); return true; } } /*! recalculates the position of the axis ticks. */ void AxisPrivate::retransformTicks() { if (suppressRetransform) return; //TODO: check that start and end are > 0 for log and >=0 for sqrt, etc. majorTicksPath = QPainterPath(); minorTicksPath = QPainterPath(); majorTickPoints.clear(); minorTickPoints.clear(); tickLabelValues.clear(); if ( majorTicksNumber < 1 || (majorTicksDirection == Axis::noTicks && minorTicksDirection == Axis::noTicks) ) { retransformTickLabelPositions(); //this calls recalcShapeAndBoundingRect() return; } //determine the spacing for the major ticks double majorTicksSpacing = 0; int tmpMajorTicksNumber = 0; if (majorTicksType == Axis::TicksTotalNumber) { //the total number of the major ticks is given - > determine the spacing tmpMajorTicksNumber = majorTicksNumber; switch (scale) { case Axis::ScaleLinear: majorTicksSpacing = (end-start)/(majorTicksNumber-1); break; case Axis::ScaleLog10: majorTicksSpacing = (log10(end)-log10(start))/(majorTicksNumber-1); break; case Axis::ScaleLog2: majorTicksSpacing = (log(end)-log(start))/log(2)/(majorTicksNumber-1); break; case Axis::ScaleLn: majorTicksSpacing = (log(end)-log(start))/(majorTicksNumber-1); break; case Axis::ScaleSqrt: majorTicksSpacing = (sqrt(end)-sqrt(start))/(majorTicksNumber-1); break; case Axis::ScaleX2: majorTicksSpacing = (pow(end,2)-pow(start,2))/(majorTicksNumber-1); } } else if (majorTicksType == Axis::TicksIncrement) { //the spacing (increment) of the major ticks is given - > determine the number majorTicksSpacing = majorTicksIncrement; switch (scale) { case Axis::ScaleLinear: tmpMajorTicksNumber = qRound((end-start)/majorTicksSpacing + 1); break; case Axis::ScaleLog10: tmpMajorTicksNumber = qRound((log10(end)-log10(start))/majorTicksSpacing + 1); break; case Axis::ScaleLog2: tmpMajorTicksNumber = qRound((log(end)-log(start))/log(2)/majorTicksSpacing + 1); break; case Axis::ScaleLn: tmpMajorTicksNumber = qRound((log(end)-log(start))/majorTicksSpacing + 1); break; case Axis::ScaleSqrt: tmpMajorTicksNumber = qRound((sqrt(end)-sqrt(start))/majorTicksSpacing + 1); break; case Axis::ScaleX2: tmpMajorTicksNumber = qRound((pow(end,2)-pow(start,2))/majorTicksSpacing + 1); } } else { //custom column was provided if (majorTicksColumn) { tmpMajorTicksNumber = majorTicksColumn->rowCount(); } else { retransformTickLabelPositions(); //this calls recalcShapeAndBoundingRect() return; } } int tmpMinorTicksNumber; if (minorTicksType == Axis::TicksTotalNumber) tmpMinorTicksNumber = minorTicksNumber; else if (minorTicksType == Axis::TicksIncrement) tmpMinorTicksNumber = (end - start)/ (majorTicksNumber - 1)/minorTicksIncrement - 1; else (minorTicksColumn) ? tmpMinorTicksNumber = minorTicksColumn->rowCount() : tmpMinorTicksNumber = 0; QPointF anchorPoint; QPointF startPoint; QPointF endPoint; qreal majorTickPos = 0.0; qreal minorTickPos; qreal nextMajorTickPos = 0.0; const int xDirection = cSystem->xDirection(); const int yDirection = cSystem->yDirection(); const double middleX = plot->xMin() + (plot->xMax() - plot->xMin())/2; const double middleY = plot->yMin() + (plot->yMax() - plot->yMin())/2; bool valid; for (int iMajor = 0; iMajor < tmpMajorTicksNumber; iMajor++) { //calculate major tick's position if (majorTicksType != Axis::TicksCustomColumn) { switch (scale) { case Axis::ScaleLinear: majorTickPos = start + majorTicksSpacing*iMajor; nextMajorTickPos = start + majorTicksSpacing*(iMajor+1); break; case Axis::ScaleLog10: majorTickPos = pow(10, log10(start) + majorTicksSpacing*iMajor); nextMajorTickPos = pow(10, log10(start) + majorTicksSpacing*(iMajor+1)); break; case Axis::ScaleLog2: majorTickPos = pow(2, log(start)/log(2) + majorTicksSpacing*iMajor); nextMajorTickPos = pow(2, log(start)/log(2) + majorTicksSpacing*(iMajor+1)); break; case Axis::ScaleLn: majorTickPos = exp(log(start) + majorTicksSpacing*iMajor); nextMajorTickPos = exp(log(start) + majorTicksSpacing*(iMajor+1)); break; case Axis::ScaleSqrt: majorTickPos = pow(sqrt(start) + majorTicksSpacing*iMajor, 2); nextMajorTickPos = pow(sqrt(start) + majorTicksSpacing*(iMajor+1), 2); break; case Axis::ScaleX2: majorTickPos = sqrt(sqrt(start) + majorTicksSpacing*iMajor); nextMajorTickPos = sqrt(sqrt(start) + majorTicksSpacing*(iMajor+1)); break; } } else { majorTickPos = majorTicksColumn->valueAt(iMajor); if (std::isnan(majorTickPos)) break; //stop iterating after the first non numerical value in the column } //calculate start and end points for major tick's line if (majorTicksDirection != Axis::noTicks ) { if (orientation == Axis::AxisHorizontal) { anchorPoint.setX(majorTickPos); anchorPoint.setY(offset); valid = transformAnchor(&anchorPoint); if (valid) { if (offset < middleY) { startPoint = anchorPoint + QPointF(0, (majorTicksDirection & Axis::ticksIn) ? yDirection * majorTicksLength : 0); endPoint = anchorPoint + QPointF(0, (majorTicksDirection & Axis::ticksOut) ? -yDirection * majorTicksLength : 0); } else { startPoint = anchorPoint + QPointF(0, (majorTicksDirection & Axis::ticksOut) ? yDirection * majorTicksLength : 0); endPoint = anchorPoint + QPointF(0, (majorTicksDirection & Axis::ticksIn) ? -yDirection * majorTicksLength : 0); } } } else { // vertical anchorPoint.setY(majorTickPos); anchorPoint.setX(offset); valid = transformAnchor(&anchorPoint); if (valid) { if (offset < middleX) { startPoint = anchorPoint + QPointF((majorTicksDirection & Axis::ticksIn) ? xDirection * majorTicksLength : 0, 0); endPoint = anchorPoint + QPointF((majorTicksDirection & Axis::ticksOut) ? -xDirection * majorTicksLength : 0, 0); } else { startPoint = anchorPoint + QPointF((majorTicksDirection & Axis::ticksOut) ? xDirection * majorTicksLength : 0, 0); endPoint = anchorPoint + QPointF((majorTicksDirection & Axis::ticksIn) ? -xDirection * majorTicksLength : 0, 0); } } } //add major tick's line to the painter path if (valid) { majorTicksPath.moveTo(startPoint); majorTicksPath.lineTo(endPoint); majorTickPoints << anchorPoint; tickLabelValues<< scalingFactor*majorTickPos+zeroOffset; } } //minor ticks if ((Axis::noTicks != minorTicksDirection) && (tmpMajorTicksNumber > 1) && (tmpMinorTicksNumber > 0) && (iMajorvalueAt(iMinor); if (std::isnan(minorTickPos)) break; //stop iterating after the first non numerical value in the column //in the case a custom column is used for the minor ticks, we draw them _once_ for the whole range of the axis. //execute the minor ticks loop only once. if (iMajor > 0) break; } //calculate start and end points for minor tick's line if (orientation == Axis::AxisHorizontal) { anchorPoint.setX(minorTickPos); anchorPoint.setY(offset); valid = transformAnchor(&anchorPoint); if (valid) { if (offset < middleY) { startPoint = anchorPoint + QPointF(0, (minorTicksDirection & Axis::ticksIn) ? yDirection * minorTicksLength : 0); endPoint = anchorPoint + QPointF(0, (minorTicksDirection & Axis::ticksOut) ? -yDirection * minorTicksLength : 0); } else { startPoint = anchorPoint + QPointF(0, (minorTicksDirection & Axis::ticksOut) ? yDirection * minorTicksLength : 0); endPoint = anchorPoint + QPointF(0, (minorTicksDirection & Axis::ticksIn) ? -yDirection * minorTicksLength : 0); } } } else { // vertical anchorPoint.setY(minorTickPos); anchorPoint.setX(offset); valid = transformAnchor(&anchorPoint); if (valid) { if (offset < middleX) { startPoint = anchorPoint + QPointF((minorTicksDirection & Axis::ticksIn) ? xDirection * minorTicksLength : 0, 0); endPoint = anchorPoint + QPointF((minorTicksDirection & Axis::ticksOut) ? -xDirection * minorTicksLength : 0, 0); } else { startPoint = anchorPoint + QPointF((minorTicksDirection & Axis::ticksOut) ? xDirection * minorTicksLength : 0, 0); endPoint = anchorPoint + QPointF((minorTicksDirection & Axis::ticksIn) ? -xDirection * minorTicksLength : 0, 0); } } } //add minor tick's line to the painter path if (valid) { minorTicksPath.moveTo(startPoint); minorTicksPath.lineTo(endPoint); minorTickPoints << anchorPoint; } } } } //tick positions where changed -> update the position of the tick labels and grid lines retransformTickLabelStrings(); retransformMajorGrid(); retransformMinorGrid(); } /*! creates the tick label strings starting with the most optimal (=the smallest possible number of float digits) precision for the floats */ void AxisPrivate::retransformTickLabelStrings() { if (suppressRetransform) return; // DEBUG("AxisPrivate::retransformTickLabelStrings()"); if (labelsAutoPrecision) { //check, whether we need to increase the current precision int newPrecision = upperLabelsPrecision(labelsPrecision); if (newPrecision!= labelsPrecision) { labelsPrecision = newPrecision; emit q->labelsPrecisionChanged(labelsPrecision); } else { //check, whether we can reduce the current precision newPrecision = lowerLabelsPrecision(labelsPrecision); if (newPrecision!= labelsPrecision) { labelsPrecision = newPrecision; emit q->labelsPrecisionChanged(labelsPrecision); } } } // DEBUG("labelsPrecision =" << labelsPrecision); //automatically switch from 'decimal' to 'scientific' format for big numbers (>10^4) //and back to decimal when the numbers get smaller after the auto-switch again if (labelsFormat == Axis::FormatDecimal && !labelsFormatDecimalOverruled) { for (auto value : tickLabelValues) { if (std::abs(value) > 1e4) { labelsFormat = Axis::FormatScientificE; emit q->labelsFormatChanged(labelsFormat); labelsFormatAutoChanged = true; break; } } } else if (labelsFormatAutoChanged ) { //check whether we still have big numbers bool changeBack = true; for (auto value : tickLabelValues) { if (std::abs(value) > 1e4) { changeBack = false; break; } } if (changeBack) { labelsFormatAutoChanged = false; labelsFormat = Axis::FormatDecimal; emit q->labelsFormatChanged(labelsFormat); } } tickLabelStrings.clear(); QString str; if ( (orientation == Axis::AxisHorizontal && plot->xRangeFormat() == CartesianPlot::Numeric) || (orientation == Axis::AxisVertical && plot->yRangeFormat() == CartesianPlot::Numeric) ) { if (labelsFormat == Axis::FormatDecimal) { QString nullStr = QString::number(0, 'f', labelsPrecision); for (const auto value : tickLabelValues) { str = QString::number(value, 'f', labelsPrecision); if (str == "-" + nullStr) str = nullStr; str = labelsPrefix + str + labelsSuffix; tickLabelStrings << str; } } else if (labelsFormat == Axis::FormatScientificE) { QString nullStr = QString::number(0, 'e', labelsPrecision); for (const auto value : tickLabelValues) { str = QString::number(value, 'e', labelsPrecision); if (str == "-" + nullStr) str = nullStr; str = labelsPrefix + str + labelsSuffix; tickLabelStrings << str; } } else if (labelsFormat == Axis::FormatPowers10) { for (const auto value : tickLabelValues) { str = "10" + QString::number(log10(value), 'f', labelsPrecision) + ""; str = labelsPrefix + str + labelsSuffix; tickLabelStrings << str; } } else if (labelsFormat == Axis::FormatPowers2) { for (const auto value : tickLabelValues) { str = "2" + QString::number(log2(value), 'f', labelsPrecision) + ""; str = labelsPrefix + str + labelsSuffix; tickLabelStrings << str; } } else if (labelsFormat == Axis::FormatPowersE) { for (const auto value : tickLabelValues) { str = "e" + QString::number(log(value), 'f', labelsPrecision) + ""; str = labelsPrefix + str + labelsSuffix; tickLabelStrings << str; } } else if (labelsFormat == Axis::FormatMultipliesPi) { for (const auto value : tickLabelValues) { str = "" + QString::number(value / M_PI, 'f', labelsPrecision) + "" + QChar(0x03C0); str = labelsPrefix + str + labelsSuffix; tickLabelStrings << str; } } } else { for (const auto value : tickLabelValues) { QDateTime dateTime; dateTime.setMSecsSinceEpoch(value); str = dateTime.toString(labelsDateTimeFormat); str = labelsPrefix + str + labelsSuffix; tickLabelStrings << str; } } //recalculate the position of the tick labels retransformTickLabelPositions(); } /*! returns the smallest upper limit for the precision where no duplicates for the tick label float occur. */ int AxisPrivate::upperLabelsPrecision(int precision) { // DEBUG("AxisPrivate::upperLabelsPrecision() precision =" << precision); //round float to the current precision and look for duplicates. //if there are duplicates, increase the precision. QVector tempValues; for (const auto value : tickLabelValues) tempValues.append( nsl_math_round_places(value, precision) ); for (int i = 0; i < tempValues.size(); ++i) { for (int j = 0; j < tempValues.size(); ++j) { if (i == j) continue; if (tempValues.at(i) == tempValues.at(j)) { //duplicate for the current precision found, increase the precision and check again return upperLabelsPrecision(precision + 1); } } } //no duplicates for the current precision found: return the current value - DEBUG(" upper precision = " << precision); +// DEBUG(" upper precision = " << precision); return precision; } /*! returns highest lower limit for the precision where no duplicates for the tick label float occur. */ int AxisPrivate::lowerLabelsPrecision(int precision) { // DEBUG("AxisPrivate::lowerLabelsPrecision() precision =" << precision); //round float to the current precision and look for duplicates. //if there are duplicates, decrease the precision. QVector tempValues; for (const auto value : tickLabelValues) tempValues.append( nsl_math_round_places(value, precision-1) ); for (int i = 0; i < tempValues.size(); ++i) { for (int j = 0; j < tempValues.size(); ++j) { if (i == j) continue; if (tempValues.at(i) == tempValues.at(j)) { //duplicate found for the reduced precision //-> current precision cannot be reduced, return the current value - DEBUG(" lower precision = " << precision); +// DEBUG(" lower precision = " << precision); return precision; } } } //no duplicates found, reduce further, and check again if (precision == 0) return 0; else return lowerLabelsPrecision(precision - 1); } /*! recalculates the position of the tick labels. Called when the geometry related properties (position, offset, font size, suffix, prefix) of the labels are changed. */ void AxisPrivate::retransformTickLabelPositions() { tickLabelPoints.clear(); if (majorTicksDirection == Axis::noTicks || labelsPosition == Axis::NoLabels) { recalcShapeAndBoundingRect(); return; } QFontMetrics fm(labelsFont); float width = 0; float height = fm.ascent(); QPointF pos; const double middleX = plot->xMin() + (plot->xMax() - plot->xMin())/2; const double middleY = plot->yMin() + (plot->yMax() - plot->yMin())/2; const int xDirection = cSystem->xDirection(); const int yDirection = cSystem->yDirection(); QPointF startPoint, endPoint, anchorPoint; QTextDocument td; td.setDefaultFont(labelsFont); double cosinus = cos(labelsRotationAngle * M_PI / 180); // calculate only one time double sinus = sin(labelsRotationAngle * M_PI / 180); // calculate only one time for ( int i = 0; i < majorTickPoints.size(); i++ ) { if ((orientation == Axis::AxisHorizontal && plot->xRangeFormat() == CartesianPlot::Numeric) || (orientation == Axis::AxisVertical && plot->yRangeFormat() == CartesianPlot::Numeric)) { if (labelsFormat == Axis::FormatDecimal || labelsFormat == Axis::FormatScientificE) { width = fm.width(tickLabelStrings.at(i)); } else { td.setHtml(tickLabelStrings.at(i)); width = td.size().width(); height = td.size().height(); } } else { // Datetime width = fm.width(tickLabelStrings.at(i)); } double diffx = cosinus * width; double diffy = sinus * width; anchorPoint = majorTickPoints.at(i); //center align all labels with respect to the end point of the tick line if (orientation == Axis::AxisHorizontal) { if (offset < middleY) { startPoint = anchorPoint + QPointF(0, (majorTicksDirection & Axis::ticksIn) ? yDirection * majorTicksLength : 0); endPoint = anchorPoint + QPointF(0, (majorTicksDirection & Axis::ticksOut) ? -yDirection * majorTicksLength : 0); } else { startPoint = anchorPoint + QPointF(0, (majorTicksDirection & Axis::ticksOut) ? yDirection * majorTicksLength : 0); endPoint = anchorPoint + QPointF(0, (majorTicksDirection & Axis::ticksIn) ? -yDirection * majorTicksLength : 0); } // for rotated labels (angle is not zero), align label's corner at the position of the tick if (abs(labelsRotationAngle) > 179.999 && abs(labelsRotationAngle) < 180.009) { // +-180° if (labelsPosition == Axis::LabelsOut) { pos.setX( endPoint.x() + width/2); pos.setY( endPoint.y() + labelsOffset ); } else { pos.setX( startPoint.x() + width/2); pos.setY( startPoint.y() - height + labelsOffset ); } } else if (labelsRotationAngle <= -0.01) { // [-0.01°, -180°) if (labelsPosition == Axis::LabelsOut) { pos.setX( endPoint.x() + sinus * height/2); pos.setY( endPoint.y() + labelsOffset + cosinus * height/2); } else { pos.setX( startPoint.x() + sinus * height/2 - diffx); pos.setY( startPoint.y() + labelsOffset + cosinus * height/2 + diffy); } } else if (labelsRotationAngle >= 0.01) { // [0.01°, 180°) if (labelsPosition == Axis::LabelsOut) { pos.setX( endPoint.x() - diffx + sinus * height/2); pos.setY( endPoint.y() + labelsOffset + diffy + cosinus * height/2); } else { pos.setX( startPoint.x() + sinus * height/2); pos.setY( startPoint.y() + labelsOffset + cosinus * height/2); } } else { // 0° if (labelsPosition == Axis::LabelsOut) { pos.setX( endPoint.x() - width/2); pos.setY( endPoint.y() + height + labelsOffset ); } else { pos.setX( startPoint.x() - width/2); pos.setY( startPoint.y() + labelsOffset ); } } // ---------------------- vertical ------------------------- } else { if (offset < middleX) { startPoint = anchorPoint + QPointF((majorTicksDirection & Axis::ticksIn) ? xDirection * majorTicksLength : 0, 0); endPoint = anchorPoint + QPointF((majorTicksDirection & Axis::ticksOut) ? -xDirection * majorTicksLength : 0, 0); } else { startPoint = anchorPoint + QPointF((majorTicksDirection & Axis::ticksOut) ? xDirection * majorTicksLength : 0, 0); endPoint = anchorPoint + QPointF((majorTicksDirection & Axis::ticksIn) ? -xDirection * majorTicksLength : 0, 0); } if (labelsRotationAngle >= 89.999 && labelsRotationAngle <= 90.009) { // +90° if (labelsPosition == Axis::LabelsOut) { pos.setX( endPoint.x() - labelsOffset); pos.setY( endPoint.y() + width/2 ); } else { pos.setX( startPoint.x() - labelsOffset); pos.setY( startPoint.y() + width/2); } } else if (labelsRotationAngle >= -90.999 && labelsRotationAngle <= -89.009) { // -90° if (labelsPosition == Axis::LabelsOut) { pos.setX( endPoint.x() - labelsOffset - height); pos.setY( endPoint.y() - width/2 ); } else { pos.setX( startPoint.x() - labelsOffset); pos.setY( startPoint.y() - width/2 ); } } else if (abs(labelsRotationAngle) > 179.999 && abs(labelsRotationAngle) < 180.009) { // +-180° if (labelsPosition == Axis::LabelsOut) { pos.setX( endPoint.x() - labelsOffset); pos.setY( endPoint.y() - height/2); } else { pos.setX( startPoint.x() - labelsOffset + width); pos.setY( startPoint.y() - height/2 ); } } else if (abs(labelsRotationAngle) >= 0.01 && abs(labelsRotationAngle) < 90.01) { // [0.01°, 90°) if (labelsPosition == Axis::LabelsOut) { // left pos.setX( endPoint.x() - labelsOffset - diffx + sinus * height/2); pos.setY( endPoint.y() + cosinus * height/2 + diffy); } else { pos.setX( startPoint.x() - labelsOffset + sinus * height/2); pos.setY( startPoint.y() + cosinus * height/2); } } else if (abs(labelsRotationAngle) >= 90.01 && abs(labelsRotationAngle) < 180) { // [90.01, 180) if (labelsPosition == Axis::LabelsOut) { // left pos.setX( endPoint.x() - labelsOffset + sinus * height/2); pos.setY( endPoint.y() + cosinus * height/2); } else { pos.setX( startPoint.x() - labelsOffset - diffx + sinus * height/2); pos.setY( startPoint.y() + diffy + cosinus * height/2); } } else { // 0° if (labelsPosition == Axis::LabelsOut) { pos.setX( endPoint.x() - width - labelsOffset); pos.setY( endPoint.y() + height/2 ); } else { pos.setX( startPoint.x() - labelsOffset); pos.setY( startPoint.y() + height/2 ); } } } tickLabelPoints << pos; } recalcShapeAndBoundingRect(); } void AxisPrivate::retransformMajorGrid() { if (suppressRetransform) return; majorGridPath = QPainterPath(); if (majorGridPen.style() == Qt::NoPen || majorTickPoints.size() == 0) { recalcShapeAndBoundingRect(); return; } //major tick points are already in scene coordinates, convert them back to logical... //TODO: mapping should work without SuppressPageClipping-flag, check float comparisons in the map-function. //Currently, grid lines disappear somtimes without this flag QVector logicalMajorTickPoints = cSystem->mapSceneToLogical(majorTickPoints, AbstractCoordinateSystem::SuppressPageClipping); if (logicalMajorTickPoints.isEmpty()) return; //TODO: //when iterating over all grid lines, skip the first and the last points for auto scaled axes, //since we don't want to paint any grid lines at the plot boundaries bool skipLowestTick, skipUpperTick; if (orientation == Axis::AxisHorizontal) { //horizontal axis skipLowestTick = qFuzzyCompare(logicalMajorTickPoints.at(0).x(), plot->xMin()); skipUpperTick = qFuzzyCompare(logicalMajorTickPoints.at(logicalMajorTickPoints.size()-1).x(), plot->xMax()); } else { skipLowestTick = qFuzzyCompare(logicalMajorTickPoints.at(0).y(), plot->yMin()); skipUpperTick = qFuzzyCompare(logicalMajorTickPoints.at(logicalMajorTickPoints.size()-1).y(), plot->yMax()); } int start, end; if (skipLowestTick) { if (logicalMajorTickPoints.size() > 1) start = 1; else start = 0; } else { start = 0; } if (skipUpperTick) { if (logicalMajorTickPoints.size() > 1) end = logicalMajorTickPoints.size() - 1; else end = 0; } else { end = logicalMajorTickPoints.size(); } QVector lines; if (orientation == Axis::AxisHorizontal) { //horizontal axis double yMin = plot->yMin(); double yMax = plot->yMax(); for (int i = start; i < end; ++i) { const QPointF& point = logicalMajorTickPoints.at(i); lines.append( QLineF(point.x(), yMin, point.x(), yMax) ); } } else { //vertical axis double xMin = plot->xMin(); double xMax = plot->xMax(); //skip the first and the last points, since we don't want to paint any grid lines at the plot boundaries for (int i = start; i < end; ++i) { const QPointF& point = logicalMajorTickPoints.at(i); lines.append( QLineF(xMin, point.y(), xMax, point.y()) ); } } lines = cSystem->mapLogicalToScene(lines, AbstractCoordinateSystem::SuppressPageClipping); for (const auto& line : lines) { majorGridPath.moveTo(line.p1()); majorGridPath.lineTo(line.p2()); } recalcShapeAndBoundingRect(); } void AxisPrivate::retransformMinorGrid() { if (suppressRetransform) return; minorGridPath = QPainterPath(); if (minorGridPen.style() == Qt::NoPen) { recalcShapeAndBoundingRect(); return; } //minor tick points are already in scene coordinates, convert them back to logical... //TODO: mapping should work without SuppressPageClipping-flag, check float comparisons in the map-function. //Currently, grid lines disappear somtimes without this flag QVector logicalMinorTickPoints = cSystem->mapSceneToLogical(minorTickPoints, AbstractCoordinateSystem::SuppressPageClipping); QVector lines; if (orientation == Axis::AxisHorizontal) { //horizontal axis double yMin = plot->yMin(); double yMax = plot->yMax(); for (const auto point : logicalMinorTickPoints) lines.append( QLineF(point.x(), yMin, point.x(), yMax) ); } else { //vertical axis double xMin = plot->xMin(); double xMax = plot->xMax(); for (const auto point: logicalMinorTickPoints) lines.append( QLineF(xMin, point.y(), xMax, point.y()) ); } lines = cSystem->mapLogicalToScene(lines, AbstractCoordinateSystem::SuppressPageClipping); for (const auto& line : lines) { minorGridPath.moveTo(line.p1()); minorGridPath.lineTo(line.p2()); } recalcShapeAndBoundingRect(); } void AxisPrivate::recalcShapeAndBoundingRect() { if (m_suppressRecalc) return; prepareGeometryChange(); if (linePath.isEmpty()) { axisShape = QPainterPath(); boundingRectangle = QRectF(); title->setPositionInvalid(true); if (plot) plot->prepareGeometryChange(); return; } else { title->setPositionInvalid(false); } axisShape = WorksheetElement::shapeFromPath(linePath, linePen); axisShape.addPath(WorksheetElement::shapeFromPath(arrowPath, linePen)); axisShape.addPath(WorksheetElement::shapeFromPath(majorTicksPath, majorTicksPen)); axisShape.addPath(WorksheetElement::shapeFromPath(minorTicksPath, minorTicksPen)); QPainterPath tickLabelsPath = QPainterPath(); if (labelsPosition != Axis::NoLabels) { QTransform trafo; QPainterPath tempPath; QFontMetrics fm(labelsFont); QTextDocument td; td.setDefaultFont(labelsFont); for (int i = 0; i < tickLabelPoints.size(); i++) { tempPath = QPainterPath(); if (labelsFormat == Axis::FormatDecimal || labelsFormat == Axis::FormatScientificE) { tempPath.addRect(fm.boundingRect(tickLabelStrings.at(i))); } else { td.setHtml(tickLabelStrings.at(i)); tempPath.addRect(QRectF(0, -td.size().height(), td.size().width(), td.size().height())); } trafo.reset(); trafo.translate( tickLabelPoints.at(i).x(), tickLabelPoints.at(i).y() ); trafo.rotate(-labelsRotationAngle); tempPath = trafo.map(tempPath); tickLabelsPath.addPath(WorksheetElement::shapeFromPath(tempPath, linePen)); } axisShape.addPath(WorksheetElement::shapeFromPath(tickLabelsPath, QPen())); } //add title label, if available if ( title->isVisible() && !title->text().text.isEmpty() ) { //determine the new position of the title label: //we calculate the new position here and not in retransform(), //since it depends on the size and position of the tick labels, tickLabelsPath, available here. QRectF rect = linePath.boundingRect(); qreal offsetX = titleOffsetX - labelsOffset; //the distance to the axis line qreal offsetY = titleOffsetY - labelsOffset; //the distance to the axis line if (orientation == Axis::AxisHorizontal) { offsetY -= title->graphicsItem()->boundingRect().height()/2; if (labelsPosition == Axis::LabelsOut) offsetY -= tickLabelsPath.boundingRect().height(); title->setPosition( QPointF( (rect.topLeft().x() + rect.topRight().x())/2 + titleOffsetX, rect.bottomLeft().y() - offsetY ) ); } else { offsetX -= title->graphicsItem()->boundingRect().width()/2; if (labelsPosition == Axis::LabelsOut) offsetX -= tickLabelsPath.boundingRect().width(); title->setPosition( QPointF( rect.topLeft().x() + offsetX, (rect.topLeft().y() + rect.bottomLeft().y())/2 - titleOffsetY) ); } axisShape.addPath(WorksheetElement::shapeFromPath(title->graphicsItem()->mapToParent(title->graphicsItem()->shape()), linePen)); } boundingRectangle = axisShape.boundingRect(); //if the axis goes beyond the current bounding box of the plot (too high offset is used, too long labels etc.) //request a prepareGeometryChange() for the plot in order to properly keep track of geometry changes if (plot) plot->prepareGeometryChange(); } /*! paints the content of the axis. Reimplemented from \c QGraphicsItem. \sa QGraphicsItem::paint() */ void AxisPrivate::paint(QPainter *painter, const QStyleOptionGraphicsItem* option, QWidget* widget) { Q_UNUSED(option) Q_UNUSED(widget) if (!isVisible()) return; if (linePath.isEmpty()) return; //draw the line if (linePen.style() != Qt::NoPen) { painter->setOpacity(lineOpacity); painter->setPen(linePen); painter->setBrush(Qt::SolidPattern); painter->drawPath(linePath); //draw the arrow if (arrowType != Axis::NoArrow) painter->drawPath(arrowPath); } //draw the major ticks if (majorTicksDirection != Axis::noTicks) { painter->setOpacity(majorTicksOpacity); painter->setPen(majorTicksPen); painter->setBrush(Qt::NoBrush); painter->drawPath(majorTicksPath); } //draw the minor ticks if (minorTicksDirection != Axis::noTicks) { painter->setOpacity(minorTicksOpacity); painter->setPen(minorTicksPen); painter->setBrush(Qt::NoBrush); painter->drawPath(minorTicksPath); } // draw tick labels if (labelsPosition != Axis::NoLabels) { painter->setOpacity(labelsOpacity); painter->setPen(QPen(labelsColor)); painter->setFont(labelsFont); QTextDocument td; td.setDefaultFont(labelsFont); if ((orientation == Axis::AxisHorizontal && plot->xRangeFormat() == CartesianPlot::Numeric) || (orientation == Axis::AxisVertical && plot->yRangeFormat() == CartesianPlot::Numeric)) { for (int i = 0; i < tickLabelPoints.size(); i++) { painter->translate(tickLabelPoints.at(i)); painter->save(); painter->rotate(-labelsRotationAngle); if (labelsFormat == Axis::FormatDecimal || labelsFormat == Axis::FormatScientificE) { painter->drawText(QPoint(0,0), tickLabelStrings.at(i)); } else { td.setHtml(tickLabelStrings.at(i)); painter->translate(0, -td.size().height()); td.drawContents(painter); } painter->restore(); painter->translate(-tickLabelPoints.at(i)); } } else { // datetime for (int i = 0; i < tickLabelPoints.size(); i++) { painter->translate(tickLabelPoints.at(i)); painter->save(); painter->rotate(-labelsRotationAngle); painter->drawText(QPoint(0,0), tickLabelStrings.at(i)); painter->restore(); painter->translate(-tickLabelPoints.at(i)); } } } if (m_hovered && !isSelected() && !m_printing) { painter->setPen(QPen(QApplication::palette().color(QPalette::Shadow), 2, Qt::SolidLine)); painter->drawPath(axisShape); } if (isSelected() && !m_printing) { painter->setPen(QPen(QApplication::palette().color(QPalette::Highlight), 2, Qt::SolidLine)); painter->drawPath(axisShape); } } void AxisPrivate::contextMenuEvent(QGraphicsSceneContextMenuEvent* event) { q->createContextMenu()->exec(event->screenPos()); } void AxisPrivate::hoverEnterEvent(QGraphicsSceneHoverEvent*) { if (!isSelected()) { m_hovered = true; emit q->hovered(); update(axisShape.boundingRect()); } } void AxisPrivate::hoverLeaveEvent(QGraphicsSceneHoverEvent*) { if (m_hovered) { m_hovered = false; emit q->unhovered(); update(axisShape.boundingRect()); } } void AxisPrivate::setPrinting(bool on) { m_printing = on; } //############################################################################## //################## Serialization/Deserialization ########################### //############################################################################## //! Save as XML void Axis::save(QXmlStreamWriter* writer) const{ Q_D(const Axis); writer->writeStartElement( "axis" ); writeBasicAttributes( writer ); writeCommentElement( writer ); //general writer->writeStartElement( "general" ); writer->writeAttribute( "autoScale", QString::number(d->autoScale) ); writer->writeAttribute( "orientation", QString::number(d->orientation) ); writer->writeAttribute( "position", QString::number(d->position) ); writer->writeAttribute( "scale", QString::number(d->scale) ); writer->writeAttribute( "offset", QString::number(d->offset) ); writer->writeAttribute( "start", QString::number(d->start) ); writer->writeAttribute( "end", QString::number(d->end) ); writer->writeAttribute( "scalingFactor", QString::number(d->scalingFactor) ); writer->writeAttribute( "zeroOffset", QString::number(d->zeroOffset) ); writer->writeAttribute( "titleOffsetX", QString::number(d->titleOffsetX) ); writer->writeAttribute( "titleOffsetY", QString::number(d->titleOffsetY) ); writer->writeAttribute( "visible", QString::number(d->isVisible()) ); writer->writeEndElement(); //label d->title->save( writer ); //line writer->writeStartElement( "line" ); WRITE_QPEN(d->linePen); writer->writeAttribute( "opacity", QString::number(d->lineOpacity) ); writer->writeAttribute( "arrowType", QString::number(d->arrowType) ); writer->writeAttribute( "arrowPosition", QString::number(d->arrowPosition) ); writer->writeAttribute( "arrowSize", QString::number(d->arrowSize) ); writer->writeEndElement(); //major ticks writer->writeStartElement( "majorTicks" ); writer->writeAttribute( "direction", QString::number(d->majorTicksDirection) ); writer->writeAttribute( "type", QString::number(d->majorTicksType) ); writer->writeAttribute( "number", QString::number(d->majorTicksNumber) ); writer->writeAttribute( "increment", QString::number(d->majorTicksIncrement) ); WRITE_COLUMN(d->majorTicksColumn, majorTicksColumn); writer->writeAttribute( "length", QString::number(d->majorTicksLength) ); WRITE_QPEN(d->majorTicksPen); writer->writeAttribute( "opacity", QString::number(d->majorTicksOpacity) ); writer->writeEndElement(); //minor ticks writer->writeStartElement( "minorTicks" ); writer->writeAttribute( "direction", QString::number(d->minorTicksDirection) ); writer->writeAttribute( "type", QString::number(d->minorTicksType) ); writer->writeAttribute( "number", QString::number(d->minorTicksNumber) ); writer->writeAttribute( "increment", QString::number(d->minorTicksIncrement) ); WRITE_COLUMN(d->minorTicksColumn, minorTicksColumn); writer->writeAttribute( "length", QString::number(d->minorTicksLength) ); WRITE_QPEN(d->minorTicksPen); writer->writeAttribute( "opacity", QString::number(d->minorTicksOpacity) ); writer->writeEndElement(); //extra ticks //labels writer->writeStartElement( "labels" ); writer->writeAttribute( "position", QString::number(d->labelsPosition) ); writer->writeAttribute( "offset", QString::number(d->labelsOffset) ); writer->writeAttribute( "rotation", QString::number(d->labelsRotationAngle) ); writer->writeAttribute( "format", QString::number(d->labelsFormat) ); writer->writeAttribute( "precision", QString::number(d->labelsPrecision) ); writer->writeAttribute( "autoPrecision", QString::number(d->labelsAutoPrecision) ); writer->writeAttribute( "dateTimeFormat", d->labelsDateTimeFormat ); WRITE_QCOLOR(d->labelsColor); WRITE_QFONT(d->labelsFont); writer->writeAttribute( "prefix", d->labelsPrefix ); writer->writeAttribute( "suffix", d->labelsSuffix ); writer->writeAttribute( "opacity", QString::number(d->labelsOpacity) ); writer->writeEndElement(); //grid writer->writeStartElement( "majorGrid" ); WRITE_QPEN(d->majorGridPen); writer->writeAttribute( "opacity", QString::number(d->majorGridOpacity) ); writer->writeEndElement(); writer->writeStartElement( "minorGrid" ); WRITE_QPEN(d->minorGridPen); writer->writeAttribute( "opacity", QString::number(d->minorGridOpacity) ); writer->writeEndElement(); writer->writeEndElement(); // close "axis" section } //! Load from XML bool Axis::load(XmlStreamReader* reader, bool preview) { Q_D(Axis); if (!readBasicAttributes(reader)) return false; KLocalizedString attributeWarning = ki18n("Attribute '%1' missing or empty, default value is used"); QXmlStreamAttributes attribs; QString str; while (!reader->atEnd()) { reader->readNext(); if (reader->isEndElement() && reader->name() == "axis") break; if (!reader->isStartElement()) continue; if (!preview && reader->name() == "comment") { if (!readCommentElement(reader)) return false; } else if (!preview && reader->name() == "general") { attribs = reader->attributes(); READ_INT_VALUE("autoScale", autoScale, bool); READ_INT_VALUE("orientation", orientation, Axis::AxisOrientation); READ_INT_VALUE("position", position, Axis::AxisPosition); READ_INT_VALUE("scale", scale, Axis::AxisScale); READ_DOUBLE_VALUE("offset", offset); READ_DOUBLE_VALUE("start", start); READ_DOUBLE_VALUE("end", end); READ_DOUBLE_VALUE("scalingFactor", scalingFactor); READ_DOUBLE_VALUE("zeroOffset", zeroOffset); READ_DOUBLE_VALUE("titleOffsetX", titleOffsetX); READ_DOUBLE_VALUE("titleOffsetY", titleOffsetY); str = attribs.value("visible").toString(); if (str.isEmpty()) reader->raiseWarning(attributeWarning.subs("visible").toString()); else d->setVisible(str.toInt()); } else if (reader->name() == "textLabel") { d->title->load(reader, preview); } else if (!preview && reader->name() == "line") { attribs = reader->attributes(); READ_QPEN(d->linePen); READ_DOUBLE_VALUE("opacity", lineOpacity); READ_INT_VALUE("arrowType", arrowType, Axis::ArrowType); READ_INT_VALUE("arrowPosition", arrowPosition, Axis::ArrowPosition); READ_DOUBLE_VALUE("arrowSize", arrowSize); } else if (!preview && reader->name() == "majorTicks") { attribs = reader->attributes(); READ_INT_VALUE("direction", majorTicksDirection, Axis::TicksDirection); READ_INT_VALUE("type", majorTicksType, Axis::TicksType); READ_INT_VALUE("number", majorTicksNumber, int); READ_DOUBLE_VALUE("increment", majorTicksIncrement); READ_COLUMN(majorTicksColumn); READ_DOUBLE_VALUE("length", majorTicksLength); READ_QPEN(d->majorTicksPen); READ_DOUBLE_VALUE("opacity", majorTicksOpacity); } else if (!preview && reader->name() == "minorTicks") { attribs = reader->attributes(); READ_INT_VALUE("direction", minorTicksDirection, Axis::TicksDirection); READ_INT_VALUE("type", minorTicksType, Axis::TicksType); READ_INT_VALUE("number", minorTicksNumber, int); READ_DOUBLE_VALUE("increment", minorTicksIncrement); READ_COLUMN(minorTicksColumn); READ_DOUBLE_VALUE("length", minorTicksLength); READ_QPEN(d->minorTicksPen); READ_DOUBLE_VALUE("opacity", minorTicksOpacity); } else if (!preview && reader->name() == "labels") { attribs = reader->attributes(); READ_INT_VALUE("position", labelsPosition, Axis::LabelsPosition); READ_DOUBLE_VALUE("offset", labelsOffset); READ_DOUBLE_VALUE("rotation", labelsRotationAngle); READ_INT_VALUE("format", labelsFormat, Axis::LabelsFormat); READ_INT_VALUE("precision", labelsPrecision, int); READ_INT_VALUE("autoPrecision", labelsAutoPrecision, bool); d->labelsDateTimeFormat = attribs.value("dateTimeFormat").toString(); READ_QCOLOR(d->labelsColor); READ_QFONT(d->labelsFont); //don't produce any warning if no prefix or suffix is set (empty string is allowed here in xml) d->labelsPrefix = attribs.value("prefix").toString(); d->labelsSuffix = attribs.value("suffix").toString(); READ_DOUBLE_VALUE("opacity", labelsOpacity); } else if (!preview && reader->name() == "majorGrid") { attribs = reader->attributes(); READ_QPEN(d->majorGridPen); READ_DOUBLE_VALUE("opacity", majorGridOpacity); } else if (!preview && reader->name() == "minorGrid") { attribs = reader->attributes(); READ_QPEN(d->minorGridPen); READ_DOUBLE_VALUE("opacity", minorGridOpacity); } else { // unknown element reader->raiseWarning(i18n("unknown element '%1'", reader->name().toString())); if (!reader->skipToEndElement()) return false; } } return true; } //############################################################################## //######################### Theme management ################################## //############################################################################## void Axis::loadThemeConfig(const KConfig& config) { const KConfigGroup group = config.group("Axis"); //we don't want to show the major and minor grid lines for non-first horizontal/vertical axes //determine the index of the axis among other axes having the same orientation bool firstAxis = true; for (const auto* axis : parentAspect()->children()) { if (orientation() == axis->orientation()) { if (axis == this) { break; } else { firstAxis = false; break; } } } QPen p; // Tick label this->setLabelsColor(group.readEntry("LabelsFontColor",(QColor) this->labelsColor())); this->setLabelsOpacity(group.readEntry("LabelsOpacity",this->labelsOpacity())); //Line this->setLineOpacity(group.readEntry("LineOpacity",this->lineOpacity())); p.setColor(group.readEntry("LineColor", (QColor) this->linePen().color())); p.setStyle((Qt::PenStyle)group.readEntry("LineStyle",(int) this->linePen().style())); p.setWidthF(group.readEntry("LineWidth", this->linePen().widthF())); this->setLinePen(p); //Major ticks this->setMajorGridOpacity(group.readEntry("MajorGridOpacity", this->majorGridOpacity())); p.setColor(group.readEntry("MajorGridColor",(QColor) this->majorGridPen().color())); if (firstAxis) p.setStyle((Qt::PenStyle)group.readEntry("MajorGridStyle",(int) this->majorGridPen().style())); else p.setStyle(Qt::NoPen); p.setWidthF(group.readEntry("MajorGridWidth", this->majorGridPen().widthF())); this->setMajorGridPen(p); p.setColor(group.readEntry("MajorTicksColor",(QColor)this->majorTicksPen().color())); p.setStyle((Qt::PenStyle)group.readEntry("MajorTicksLineStyle",(int) this->majorTicksPen().style())); p.setWidthF(group.readEntry("MajorTicksWidth", this->majorTicksPen().widthF())); this->setMajorTicksPen(p); this->setMajorTicksOpacity(group.readEntry("MajorTicksOpacity",this->majorTicksOpacity())); //Minor ticks this->setMinorGridOpacity(group.readEntry("MinorGridOpacity", this->minorGridOpacity())); p.setColor(group.readEntry("MinorGridColor",(QColor) this->minorGridPen().color())); if (firstAxis) p.setStyle((Qt::PenStyle)group.readEntry("MinorGridStyle",(int) this->minorGridPen().style())); else p.setStyle(Qt::NoPen); p.setWidthF(group.readEntry("MinorGridWidth", this->minorGridPen().widthF())); this->setMinorGridPen(p); p.setColor(group.readEntry("MinorTicksColor",(QColor) this->minorTicksPen().color())); p.setWidthF(group.readEntry("MinorTicksWidth", this->minorTicksPen().widthF())); this->setMinorTicksPen(p); this->setMinorTicksOpacity(group.readEntry("MinorTicksOpacity",this->minorTicksOpacity())); const QVector& childElements = children(AbstractAspect::IncludeHidden); for (auto* child : childElements) child->loadThemeConfig(config); } void Axis::saveThemeConfig(const KConfig& config) { KConfigGroup group = config.group("Axis"); // Tick label group.writeEntry("LabelsFontColor", (QColor) this->labelsColor()); group.writeEntry("LabelsOpacity", this->labelsOpacity()); //Line group.writeEntry("LineOpacity", this->lineOpacity()); group.writeEntry("LineColor", (QColor) this->linePen().color()); group.writeEntry("LineStyle", (int) this->linePen().style()); group.writeEntry("LineWidth", this->linePen().widthF()); //Major ticks group.writeEntry("MajorGridOpacity", this->majorGridOpacity()); group.writeEntry("MajorGridColor", (QColor) this->majorGridPen().color()); group.writeEntry("MajorGridStyle", (int) this->majorGridPen().style()); group.writeEntry("MajorGridWidth", this->majorGridPen().widthF()); group.writeEntry("MajorTicksColor", (QColor)this->majorTicksPen().color()); group.writeEntry("MajorTicksLineStyle", (int) this->majorTicksPen().style()); group.writeEntry("MajorTicksWidth", this->majorTicksPen().widthF()); group.writeEntry("MajorTicksOpacity", this->majorTicksOpacity()); group.writeEntry("MajorTicksType", (int)this->majorTicksType()); //Minor ticks group.writeEntry("MinorGridOpacity", this->minorGridOpacity()); group.writeEntry("MinorGridColor",(QColor) this->minorGridPen().color()); group.writeEntry("MinorGridStyle", (int) this->minorGridPen().style()); group.writeEntry("MinorGridWidth", this->minorGridPen().widthF()); group.writeEntry("MinorTicksColor", (QColor) this->minorTicksPen().color()); group.writeEntry("MinorTicksLineStyle",( int) this->minorTicksPen().style()); group.writeEntry("MinorTicksWidth", this->minorTicksPen().widthF()); group.writeEntry("MinorTicksOpacity", this->minorTicksOpacity()); group.writeEntry("MinorTicksType", (int)this->minorTicksType()); const QVector& childElements = children(AbstractAspect::IncludeHidden); childElements.at(0)->saveThemeConfig(config); } diff --git a/src/backend/worksheet/plots/cartesian/CartesianPlot.cpp b/src/backend/worksheet/plots/cartesian/CartesianPlot.cpp index ef528d842..d46daeea4 100644 --- a/src/backend/worksheet/plots/cartesian/CartesianPlot.cpp +++ b/src/backend/worksheet/plots/cartesian/CartesianPlot.cpp @@ -1,3210 +1,3212 @@ /*************************************************************************** File : CartesianPlot.cpp Project : LabPlot Description : Cartesian plot -------------------------------------------------------------------- Copyright : (C) 2011-2018 by Alexander Semke (alexander.semke@web.de) Copyright : (C) 2016-2018 by Stefan Gerlach (stefan.gerlach@uni.kn) Copyright : (C) 2017-2018 by Garvit Khatri (garvitdelhi@gmail.com) ***************************************************************************/ /*************************************************************************** * * * 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 "CartesianPlot.h" #include "CartesianPlotPrivate.h" #include "Axis.h" #include "XYCurve.h" #include "Histogram.h" #include "XYEquationCurve.h" #include "XYDataReductionCurve.h" #include "XYDifferentiationCurve.h" #include "XYIntegrationCurve.h" #include "XYInterpolationCurve.h" #include "XYSmoothCurve.h" #include "XYFitCurve.h" #include "XYFourierFilterCurve.h" #include "XYFourierTransformCurve.h" #include "XYConvolutionCurve.h" #include "XYCorrelationCurve.h" #include "backend/core/Project.h" #include "backend/core/datatypes/DateTime2StringFilter.h" #include "backend/spreadsheet/Spreadsheet.h" #include "backend/worksheet/plots/cartesian/CartesianPlotLegend.h" #include "backend/worksheet/plots/cartesian/CustomPoint.h" #include "backend/worksheet/plots/PlotArea.h" #include "backend/worksheet/plots/AbstractPlotPrivate.h" #include "backend/worksheet/Worksheet.h" #include "backend/worksheet/plots/cartesian/Axis.h" #include "backend/worksheet/TextLabel.h" #include "backend/lib/XmlStreamReader.h" #include "backend/lib/commandtemplates.h" #include "backend/lib/macros.h" #include "backend/lib/trace.h" #include "kdefrontend/spreadsheet/PlotDataDialog.h" //for PlotDataDialog::AnalysisAction. TODO: find a better place for this enum. #include "kdefrontend/ThemeHandler.h" #include "kdefrontend/widgets/ThemesWidget.h" #include #include #include #include #include #include #include #include #include #include /** * \class CartesianPlot * \brief A xy-plot. * * */ CartesianPlot::CartesianPlot(const QString &name) : AbstractPlot(name, new CartesianPlotPrivate(this)) { init(); } CartesianPlot::CartesianPlot(const QString &name, CartesianPlotPrivate *dd) : AbstractPlot(name, dd) { init(); } CartesianPlot::~CartesianPlot() { if (m_menusInitialized) { delete addNewMenu; delete zoomMenu; delete themeMenu; } delete m_coordinateSystem; //don't need to delete objects added with addChild() //no need to delete the d-pointer here - it inherits from QGraphicsItem //and is deleted during the cleanup in QGraphicsScene } /*! initializes all member variables of \c CartesianPlot */ void CartesianPlot::init() { Q_D(CartesianPlot); d->cSystem = new CartesianCoordinateSystem(this); m_coordinateSystem = d->cSystem; d->rangeType = CartesianPlot::RangeFree; d->xRangeFormat = CartesianPlot::Numeric; d->yRangeFormat = CartesianPlot::Numeric; d->xRangeDateTimeFormat = "yyyy-MM-dd hh:mm:ss"; d->yRangeDateTimeFormat = "yyyy-MM-dd hh:mm:ss"; d->rangeFirstValues = 1000; d->rangeLastValues = 1000; d->autoScaleX = true; d->autoScaleY = true; d->xScale = ScaleLinear; d->yScale = ScaleLinear; d->xRangeBreakingEnabled = false; d->yRangeBreakingEnabled = false; //the following factor determines the size of the offset between the min/max points of the curves //and the coordinate system ranges, when doing auto scaling //Factor 0 corresponds to the exact match - min/max values of the curves correspond to the start/end values of the ranges. //TODO: make this factor optional. //Provide in the UI the possibility to choose between "exact" or 0% offset, 2%, 5% and 10% for the auto fit option d->autoScaleOffsetFactor = 0.0f; m_plotArea = new PlotArea(name() + " plot area"); addChildFast(m_plotArea); //Plot title m_title = new TextLabel(this->name() + QLatin1String("- ") + i18n("Title"), TextLabel::PlotTitle); addChild(m_title); m_title->setHidden(true); m_title->setParentGraphicsItem(m_plotArea->graphicsItem()); //offset between the plot area and the area defining the coordinate system, in scene units. d->horizontalPadding = Worksheet::convertToSceneUnits(1.5, Worksheet::Centimeter); d->verticalPadding = Worksheet::convertToSceneUnits(1.5, Worksheet::Centimeter); connect(this, SIGNAL(aspectAdded(const AbstractAspect*)), this, SLOT(childAdded(const AbstractAspect*))); connect(this, SIGNAL(aspectRemoved(const AbstractAspect*,const AbstractAspect*,const AbstractAspect*)), this, SLOT(childRemoved(const AbstractAspect*,const AbstractAspect*,const AbstractAspect*))); graphicsItem()->setFlag(QGraphicsItem::ItemIsMovable, true); graphicsItem()->setFlag(QGraphicsItem::ItemClipsChildrenToShape, true); graphicsItem()->setFlag(QGraphicsItem::ItemIsSelectable, true); graphicsItem()->setFlag(QGraphicsItem::ItemSendsGeometryChanges, true); graphicsItem()->setFlag(QGraphicsItem::ItemIsFocusable, true); } /*! initializes all children of \c CartesianPlot and setups a default plot of type \c type with a plot title. */ void CartesianPlot::initDefault(Type type) { Q_D(CartesianPlot); switch (type) { case FourAxes: { d->xMin = 0.0; d->xMax = 1.0; d->yMin = 0.0; d->yMax = 1.0; //Axes Axis* axis = new Axis("x axis 1", Axis::AxisHorizontal); axis->setSuppressRetransform(true); addChild(axis); axis->setPosition(Axis::AxisBottom); axis->setStart(0); axis->setEnd(1); axis->setMajorTicksDirection(Axis::ticksIn); axis->setMajorTicksNumber(6); axis->setMinorTicksDirection(Axis::ticksIn); axis->setMinorTicksNumber(1); QPen pen = axis->majorGridPen(); pen.setStyle(Qt::SolidLine); axis->setMajorGridPen(pen); pen = axis->minorGridPen(); pen.setStyle(Qt::DotLine); axis->setMinorGridPen(pen); axis->setSuppressRetransform(false); axis = new Axis("x axis 2", Axis::AxisHorizontal); axis->setSuppressRetransform(true); addChild(axis); axis->setPosition(Axis::AxisTop); axis->setStart(0); axis->setEnd(1); axis->setMajorTicksDirection(Axis::ticksIn); axis->setMajorTicksNumber(6); axis->setMinorTicksDirection(Axis::ticksIn); axis->setMinorTicksNumber(1); pen = axis->minorGridPen(); pen.setStyle(Qt::NoPen); axis->setMajorGridPen(pen); pen = axis->minorGridPen(); pen.setStyle(Qt::NoPen); axis->setMinorGridPen(pen); axis->setLabelsPosition(Axis::NoLabels); axis->title()->setText(QString()); axis->setSuppressRetransform(false); axis = new Axis("y axis 1", Axis::AxisVertical); axis->setSuppressRetransform(true); addChild(axis); axis->setPosition(Axis::AxisLeft); axis->setStart(0); axis->setEnd(1); axis->setMajorTicksDirection(Axis::ticksIn); axis->setMajorTicksNumber(6); axis->setMinorTicksDirection(Axis::ticksIn); axis->setMinorTicksNumber(1); pen = axis->majorGridPen(); pen.setStyle(Qt::SolidLine); axis->setMajorGridPen(pen); pen = axis->minorGridPen(); pen.setStyle(Qt::DotLine); axis->setMinorGridPen(pen); axis->setSuppressRetransform(false); axis = new Axis("y axis 2", Axis::AxisVertical); axis->setSuppressRetransform(true); addChild(axis); axis->setPosition(Axis::AxisRight); axis->setStart(0); axis->setEnd(1); axis->setOffset(1); axis->setMajorTicksDirection(Axis::ticksIn); axis->setMajorTicksNumber(6); axis->setMinorTicksDirection(Axis::ticksIn); axis->setMinorTicksNumber(1); pen = axis->minorGridPen(); pen.setStyle(Qt::NoPen); axis->setMajorGridPen(pen); pen = axis->minorGridPen(); pen.setStyle(Qt::NoPen); axis->setLabelsPosition(Axis::NoLabels); axis->title()->setText(QString()); axis->setSuppressRetransform(false); break; } case TwoAxes: { d->xMin = 0.0; d->xMax = 1.0; d->yMin = 0.0; d->yMax = 1.0; Axis* axis = new Axis("x axis 1", Axis::AxisHorizontal); axis->setSuppressRetransform(true); addChild(axis); axis->setPosition(Axis::AxisBottom); axis->setStart(0); axis->setEnd(1); axis->setMajorTicksDirection(Axis::ticksBoth); axis->setMajorTicksNumber(6); axis->setMinorTicksDirection(Axis::ticksBoth); axis->setMinorTicksNumber(1); axis->setArrowType(Axis::FilledArrowSmall); axis->setSuppressRetransform(false); axis = new Axis("y axis 1", Axis::AxisVertical); axis->setSuppressRetransform(true); addChild(axis); axis->setPosition(Axis::AxisLeft); axis->setStart(0); axis->setEnd(1); axis->setMajorTicksDirection(Axis::ticksBoth); axis->setMajorTicksNumber(6); axis->setMinorTicksDirection(Axis::ticksBoth); axis->setMinorTicksNumber(1); axis->setArrowType(Axis::FilledArrowSmall); axis->setSuppressRetransform(false); break; } case TwoAxesCentered: { d->xMin = -0.5; d->xMax = 0.5; d->yMin = -0.5; d->yMax = 0.5; d->horizontalPadding = Worksheet::convertToSceneUnits(1.0, Worksheet::Centimeter); d->verticalPadding = Worksheet::convertToSceneUnits(1.0, Worksheet::Centimeter); QPen pen = m_plotArea->borderPen(); pen.setStyle(Qt::NoPen); m_plotArea->setBorderPen(pen); Axis* axis = new Axis("x axis 1", Axis::AxisHorizontal); axis->setSuppressRetransform(true); addChild(axis); axis->setPosition(Axis::AxisCentered); axis->setStart(-0.5); axis->setEnd(0.5); axis->setMajorTicksDirection(Axis::ticksBoth); axis->setMajorTicksNumber(6); axis->setMinorTicksDirection(Axis::ticksBoth); axis->setMinorTicksNumber(1); axis->setArrowType(Axis::FilledArrowSmall); axis->title()->setText(QString()); axis->setSuppressRetransform(false); axis = new Axis("y axis 1", Axis::AxisVertical); axis->setSuppressRetransform(true); addChild(axis); axis->setPosition(Axis::AxisCentered); axis->setStart(-0.5); axis->setEnd(0.5); axis->setMajorTicksDirection(Axis::ticksBoth); axis->setMajorTicksNumber(6); axis->setMinorTicksDirection(Axis::ticksBoth); axis->setMinorTicksNumber(1); axis->setArrowType(Axis::FilledArrowSmall); axis->title()->setText(QString()); axis->setSuppressRetransform(false); break; } case TwoAxesCenteredZero: { d->xMin = -0.5; d->xMax = 0.5; d->yMin = -0.5; d->yMax = 0.5; d->horizontalPadding = Worksheet::convertToSceneUnits(1.0, Worksheet::Centimeter); d->verticalPadding = Worksheet::convertToSceneUnits(1.0, Worksheet::Centimeter); QPen pen = m_plotArea->borderPen(); pen.setStyle(Qt::NoPen); m_plotArea->setBorderPen(pen); Axis* axis = new Axis("x axis 1", Axis::AxisHorizontal); axis->setSuppressRetransform(true); addChild(axis); axis->setPosition(Axis::AxisCustom); axis->setOffset(0); axis->setStart(-0.5); axis->setEnd(0.5); axis->setMajorTicksDirection(Axis::ticksBoth); axis->setMajorTicksNumber(6); axis->setMinorTicksDirection(Axis::ticksBoth); axis->setMinorTicksNumber(1); axis->setArrowType(Axis::FilledArrowSmall); axis->title()->setText(QString()); axis->setSuppressRetransform(false); axis = new Axis("y axis 1", Axis::AxisVertical); axis->setSuppressRetransform(true); addChild(axis); axis->setPosition(Axis::AxisCustom); axis->setOffset(0); axis->setStart(-0.5); axis->setEnd(0.5); axis->setMajorTicksDirection(Axis::ticksBoth); axis->setMajorTicksNumber(6); axis->setMinorTicksDirection(Axis::ticksBoth); axis->setMinorTicksNumber(1); axis->setArrowType(Axis::FilledArrowSmall); axis->title()->setText(QString()); axis->setSuppressRetransform(false); break; } } d->xMinPrev = d->xMin; d->xMaxPrev = d->xMax; d->yMinPrev = d->yMin; d->yMaxPrev = d->yMax; //Geometry, specify the plot rect in scene coordinates. //TODO: Use default settings for left, top, width, height and for min/max for the coordinate system float x = Worksheet::convertToSceneUnits(2, Worksheet::Centimeter); float y = Worksheet::convertToSceneUnits(2, Worksheet::Centimeter); float w = Worksheet::convertToSceneUnits(10, Worksheet::Centimeter); float h = Worksheet::convertToSceneUnits(10, Worksheet::Centimeter); //all plot children are initialized -> set the geometry of the plot in scene coordinates. d->rect = QRectF(x,y,w,h); + qDebug()<<"rect am Anfang " << d->rect; +// setRect(QRectF(x,y,w,h)); + d->retransform(); } void CartesianPlot::initActions() { //"add new" actions addCurveAction = new QAction(QIcon::fromTheme("labplot-xy-curve"), i18n("xy-curve"), this); addHistogramAction = new QAction(QIcon::fromTheme("view-object-histogram-linear"), i18n("Histogram"), this); addEquationCurveAction = new QAction(QIcon::fromTheme("labplot-xy-equation-curve"), i18n("xy-curve from a mathematical Equation"), this); // no icons yet addDataReductionCurveAction = new QAction(i18n("xy-curve from a Data Reduction"), this); addDifferentiationCurveAction = new QAction(i18n("xy-curve from a Differentiation"), this); addIntegrationCurveAction = new QAction(i18n("xy-curve from an Integration"), this); addInterpolationCurveAction = new QAction(i18n("xy-curve from an Interpolation"), this); addSmoothCurveAction = new QAction(i18n("xy-curve from a Smooth"), this); addFitCurveAction = new QAction(QIcon::fromTheme("labplot-xy-fit-curve"), i18n("xy-curve from a Fit to Data"), this); addFourierFilterCurveAction = new QAction(i18n("xy-curve from a Fourier Filter"), this); addFourierTransformCurveAction = new QAction(i18n("xy-curve from a Fourier Transform"), this); addConvolutionCurveAction = new QAction(i18n("xy-curve from a (De-)Convolution"), this); addCorrelationCurveAction = new QAction(i18n("xy-curve from a Auto-/Cross-Correlation"), this); // addInterpolationCurveAction = new QAction(QIcon::fromTheme("labplot-xy-interpolation-curve"), i18n("xy-curve from an interpolation"), this); // addSmoothCurveAction = new QAction(QIcon::fromTheme("labplot-xy-smooth-curve"), i18n("xy-curve from a smooth"), this); // addFourierFilterCurveAction = new QAction(QIcon::fromTheme("labplot-xy-fourier_filter-curve"), i18n("xy-curve from a Fourier filter"), this); // addFourierTransformCurveAction = new QAction(QIcon::fromTheme("labplot-xy-fourier_transform-curve"), i18n("xy-curve from a Fourier transform"), this); // addConvolutionCurveAction = new QAction(QIcon::fromTheme("labplot-xy-convolution-curve"), i18n("xy-curve from a (de-)convolution"), this); // addCorrelationCurveAction = new QAction(QIcon::fromTheme("labplot-xy-correlation-curve"), i18n("xy-curve from a auto-/cross-correlation"), this); addLegendAction = new QAction(QIcon::fromTheme("text-field"), i18n("Legend"), this); if (children().size()>0) addLegendAction->setEnabled(false); //only one legend is allowed -> disable the action addHorizontalAxisAction = new QAction(QIcon::fromTheme("labplot-axis-horizontal"), i18n("Horizontal Axis"), this); addVerticalAxisAction = new QAction(QIcon::fromTheme("labplot-axis-vertical"), i18n("Vertical Axis"), this); addTextLabelAction = new QAction(QIcon::fromTheme("draw-text"), i18n("Text Label"), this); addCustomPointAction = new QAction(QIcon::fromTheme("draw-cross"), i18n("Custom Point"), this); connect(addCurveAction, SIGNAL(triggered()), SLOT(addCurve())); connect(addHistogramAction,SIGNAL(triggered()), SLOT(addHistogram())); connect(addEquationCurveAction, SIGNAL(triggered()), SLOT(addEquationCurve())); connect(addDataReductionCurveAction, SIGNAL(triggered()), SLOT(addDataReductionCurve())); connect(addDifferentiationCurveAction, SIGNAL(triggered()), SLOT(addDifferentiationCurve())); connect(addIntegrationCurveAction, SIGNAL(triggered()), SLOT(addIntegrationCurve())); connect(addInterpolationCurveAction, SIGNAL(triggered()), SLOT(addInterpolationCurve())); connect(addSmoothCurveAction, SIGNAL(triggered()), SLOT(addSmoothCurve())); connect(addFitCurveAction, SIGNAL(triggered()), SLOT(addFitCurve())); connect(addFourierFilterCurveAction, SIGNAL(triggered()), SLOT(addFourierFilterCurve())); connect(addFourierTransformCurveAction, SIGNAL(triggered()), SLOT(addFourierTransformCurve())); connect(addConvolutionCurveAction, SIGNAL(triggered()), SLOT(addConvolutionCurve())); connect(addCorrelationCurveAction, SIGNAL(triggered()), SLOT(addCorrelationCurve())); connect(addLegendAction, SIGNAL(triggered()), SLOT(addLegend())); connect(addHorizontalAxisAction, SIGNAL(triggered()), SLOT(addHorizontalAxis())); connect(addVerticalAxisAction, SIGNAL(triggered()), SLOT(addVerticalAxis())); connect(addTextLabelAction, SIGNAL(triggered()), SLOT(addTextLabel())); connect(addCustomPointAction, SIGNAL(triggered()), SLOT(addCustomPoint())); //Analysis menu actions addDataOperationAction = new QAction(i18n("Data Operation"), this); addDataReductionAction = new QAction(i18n("Reduce Data"), this); addDifferentiationAction = new QAction(i18n("Differentiate"), this); addIntegrationAction = new QAction(i18n("Integrate"), this); addInterpolationAction = new QAction(i18n("Interpolate"), this); addSmoothAction = new QAction(i18n("Smooth"), this); addConvolutionAction = new QAction(i18n("Convolute/Deconvolute"), this); addCorrelationAction = new QAction(i18n("Auto-/Cross-Correlation"), this); QAction* fitAction = new QAction(i18n("Linear"), this); fitAction->setData(PlotDataDialog::FitLinear); addFitAction.append(fitAction); fitAction = new QAction(i18n("Power"), this); fitAction->setData(PlotDataDialog::FitPower); addFitAction.append(fitAction); fitAction = new QAction(i18n("Exponential (degree 1)"), this); fitAction->setData(PlotDataDialog::FitExp1); addFitAction.append(fitAction); fitAction = new QAction(i18n("Exponential (degree 2)"), this); fitAction->setData(PlotDataDialog::FitExp2); addFitAction.append(fitAction); fitAction = new QAction(i18n("Inverse exponential"), this); fitAction->setData(PlotDataDialog::FitInvExp); addFitAction.append(fitAction); fitAction = new QAction(i18n("Gauss"), this); fitAction->setData(PlotDataDialog::FitGauss); addFitAction.append(fitAction); fitAction = new QAction(i18n("Cauchy-Lorentz"), this); fitAction->setData(PlotDataDialog::FitCauchyLorentz); addFitAction.append(fitAction); fitAction = new QAction(i18n("Arc Tangent"), this); fitAction->setData(PlotDataDialog::FitTan); addFitAction.append(fitAction); fitAction = new QAction(i18n("Hyperbolic Tangent"), this); fitAction->setData(PlotDataDialog::FitTanh); addFitAction.append(fitAction); fitAction = new QAction(i18n("Error Function"), this); fitAction->setData(PlotDataDialog::FitErrFunc); addFitAction.append(fitAction); fitAction = new QAction(i18n("Custom"), this); fitAction->setData(PlotDataDialog::FitCustom); addFitAction.append(fitAction); addFourierFilterAction = new QAction(i18n("Fourier Filter"), this); connect(addDataReductionAction, SIGNAL(triggered()), SLOT(addDataReductionCurve())); connect(addDifferentiationAction, SIGNAL(triggered()), SLOT(addDifferentiationCurve())); connect(addIntegrationAction, SIGNAL(triggered()), SLOT(addIntegrationCurve())); connect(addInterpolationAction, SIGNAL(triggered()), SLOT(addInterpolationCurve())); connect(addSmoothAction, SIGNAL(triggered()), SLOT(addSmoothCurve())); connect(addConvolutionAction, SIGNAL(triggered()), SLOT(addConvolutionCurve())); connect(addCorrelationAction, SIGNAL(triggered()), SLOT(addCorrelationCurve())); for (const auto& action : addFitAction) connect(action, SIGNAL(triggered()), SLOT(addFitCurve())); connect(addFourierFilterAction, SIGNAL(triggered()), SLOT(addFourierFilterCurve())); //zoom/navigate actions scaleAutoAction = new QAction(QIcon::fromTheme("labplot-auto-scale-all"), i18n("Auto Scale"), this); scaleAutoXAction = new QAction(QIcon::fromTheme("labplot-auto-scale-x"), i18n("Auto Scale X"), this); scaleAutoYAction = new QAction(QIcon::fromTheme("labplot-auto-scale-y"), i18n("Auto Scale Y"), this); zoomInAction = new QAction(QIcon::fromTheme("zoom-in"), i18n("Zoom In"), this); zoomOutAction = new QAction(QIcon::fromTheme("zoom-out"), i18n("Zoom Out"), this); zoomInXAction = new QAction(QIcon::fromTheme("labplot-zoom-in-x"), i18n("Zoom In X"), this); zoomOutXAction = new QAction(QIcon::fromTheme("labplot-zoom-out-x"), i18n("Zoom Out X"), this); zoomInYAction = new QAction(QIcon::fromTheme("labplot-zoom-in-y"), i18n("Zoom In Y"), this); zoomOutYAction = new QAction(QIcon::fromTheme("labplot-zoom-out-y"), i18n("Zoom Out Y"), this); shiftLeftXAction = new QAction(QIcon::fromTheme("labplot-shift-left-x"), i18n("Shift Left X"), this); shiftRightXAction = new QAction(QIcon::fromTheme("labplot-shift-right-x"), i18n("Shift Right X"), this); shiftUpYAction = new QAction(QIcon::fromTheme("labplot-shift-up-y"), i18n("Shift Up Y"), this); shiftDownYAction = new QAction(QIcon::fromTheme("labplot-shift-down-y"), i18n("Shift Down Y"), this); connect(scaleAutoAction, SIGNAL(triggered()), SLOT(scaleAuto())); connect(scaleAutoXAction, SIGNAL(triggered()), SLOT(scaleAutoX())); connect(scaleAutoYAction, SIGNAL(triggered()), SLOT(scaleAutoY())); connect(zoomInAction, SIGNAL(triggered()), SLOT(zoomIn())); connect(zoomOutAction, SIGNAL(triggered()), SLOT(zoomOut())); connect(zoomInXAction, SIGNAL(triggered()), SLOT(zoomInX())); connect(zoomOutXAction, SIGNAL(triggered()), SLOT(zoomOutX())); connect(zoomInYAction, SIGNAL(triggered()), SLOT(zoomInY())); connect(zoomOutYAction, SIGNAL(triggered()), SLOT(zoomOutY())); connect(shiftLeftXAction, SIGNAL(triggered()), SLOT(shiftLeftX())); connect(shiftRightXAction, SIGNAL(triggered()), SLOT(shiftRightX())); connect(shiftUpYAction, SIGNAL(triggered()), SLOT(shiftUpY())); connect(shiftDownYAction, SIGNAL(triggered()), SLOT(shiftDownY())); //visibility action visibilityAction = new QAction(i18n("Visible"), this); visibilityAction->setCheckable(true); connect(visibilityAction, SIGNAL(triggered()), this, SLOT(visibilityChanged())); } void CartesianPlot::initMenus() { initActions(); addNewMenu = new QMenu(i18n("Add New")); addNewMenu->addAction(addCurveAction); addNewMenu->addAction(addHistogramAction); addNewMenu->addAction(addEquationCurveAction); addNewMenu->addSeparator(); addNewMenu->addAction(addDataReductionCurveAction); addNewMenu->addAction(addDifferentiationCurveAction); addNewMenu->addAction(addIntegrationCurveAction); addNewMenu->addAction(addInterpolationCurveAction); addNewMenu->addAction(addSmoothCurveAction); addNewMenu->addAction(addFitCurveAction); addNewMenu->addAction(addFourierFilterCurveAction); addNewMenu->addAction(addFourierTransformCurveAction); addNewMenu->addAction(addConvolutionCurveAction); addNewMenu->addAction(addCorrelationCurveAction); addNewMenu->addSeparator(); addNewMenu->addAction(addLegendAction); addNewMenu->addSeparator(); addNewMenu->addAction(addHorizontalAxisAction); addNewMenu->addAction(addVerticalAxisAction); addNewMenu->addSeparator(); addNewMenu->addAction(addTextLabelAction); addNewMenu->addSeparator(); addNewMenu->addAction(addCustomPointAction); zoomMenu = new QMenu(i18n("Zoom")); zoomMenu->addAction(scaleAutoAction); zoomMenu->addAction(scaleAutoXAction); zoomMenu->addAction(scaleAutoYAction); zoomMenu->addSeparator(); zoomMenu->addAction(zoomInAction); zoomMenu->addAction(zoomOutAction); zoomMenu->addSeparator(); zoomMenu->addAction(zoomInXAction); zoomMenu->addAction(zoomOutXAction); zoomMenu->addSeparator(); zoomMenu->addAction(zoomInYAction); zoomMenu->addAction(zoomOutYAction); zoomMenu->addSeparator(); zoomMenu->addAction(shiftLeftXAction); zoomMenu->addAction(shiftRightXAction); zoomMenu->addSeparator(); zoomMenu->addAction(shiftUpYAction); zoomMenu->addAction(shiftDownYAction); // Data manipulation menu QMenu* dataManipulationMenu = new QMenu(i18n("Data Manipulation")); dataManipulationMenu->setIcon(QIcon::fromTheme("zoom-draw")); dataManipulationMenu->addAction(addDataOperationAction); dataManipulationMenu->addAction(addDataReductionAction); // Data fit menu QMenu* dataFitMenu = new QMenu(i18n("Fit")); dataFitMenu->setIcon(QIcon::fromTheme("labplot-xy-fit-curve")); dataFitMenu->addAction(addFitAction.at(0)); dataFitMenu->addAction(addFitAction.at(1)); dataFitMenu->addAction(addFitAction.at(2)); dataFitMenu->addAction(addFitAction.at(3)); dataFitMenu->addAction(addFitAction.at(4)); dataFitMenu->addSeparator(); dataFitMenu->addAction(addFitAction.at(5)); dataFitMenu->addAction(addFitAction.at(6)); dataFitMenu->addSeparator(); dataFitMenu->addAction(addFitAction.at(7)); dataFitMenu->addAction(addFitAction.at(8)); dataFitMenu->addAction(addFitAction.at(9)); dataFitMenu->addSeparator(); dataFitMenu->addAction(addFitAction.at(10)); //analysis menu dataAnalysisMenu = new QMenu(i18n("Analysis")); dataAnalysisMenu->insertMenu(nullptr, dataManipulationMenu); dataAnalysisMenu->addSeparator(); dataAnalysisMenu->addAction(addDifferentiationAction); dataAnalysisMenu->addAction(addIntegrationAction); dataAnalysisMenu->addSeparator(); dataAnalysisMenu->addAction(addInterpolationAction); dataAnalysisMenu->addAction(addSmoothAction); dataAnalysisMenu->addAction(addFourierFilterAction); dataAnalysisMenu->addAction(addConvolutionAction); dataAnalysisMenu->addAction(addCorrelationAction); dataAnalysisMenu->addSeparator(); dataAnalysisMenu->addMenu(dataFitMenu); //themes menu themeMenu = new QMenu(i18n("Apply Theme")); auto* themeWidget = new ThemesWidget(nullptr); connect(themeWidget, SIGNAL(themeSelected(QString)), this, SLOT(loadTheme(QString))); connect(themeWidget, SIGNAL(themeSelected(QString)), themeMenu, SLOT(close())); auto* widgetAction = new QWidgetAction(this); widgetAction->setDefaultWidget(themeWidget); themeMenu->addAction(widgetAction); m_menusInitialized = true; } QMenu* CartesianPlot::createContextMenu() { if (!m_menusInitialized) initMenus(); QMenu* menu = WorksheetElement::createContextMenu(); QAction* firstAction = menu->actions().at(1); visibilityAction->setChecked(isVisible()); menu->insertAction(firstAction, visibilityAction); menu->insertMenu(firstAction, addNewMenu); menu->insertMenu(firstAction, zoomMenu); menu->insertSeparator(firstAction); menu->insertMenu(firstAction, themeMenu); menu->insertSeparator(firstAction); return menu; } QMenu* CartesianPlot::analysisMenu() { if (!m_menusInitialized) initMenus(); return dataAnalysisMenu; } /*! Returns an icon to be used in the project explorer. */ QIcon CartesianPlot::icon() const { return QIcon::fromTheme("office-chart-line"); } QVector CartesianPlot::dependsOn() const { //aspects which the plotted data in the worksheet depends on (spreadsheets and later matrices) QVector aspects; for (const auto* curve : children()) { if (curve->xColumn() && dynamic_cast(curve->xColumn()->parentAspect()) ) aspects << curve->xColumn()->parentAspect(); if (curve->yColumn() && dynamic_cast(curve->yColumn()->parentAspect()) ) aspects << curve->yColumn()->parentAspect(); } return aspects; } void CartesianPlot::navigate(CartesianPlot::NavigationOperation op) { if (op == ScaleAuto) scaleAuto(); else if (op == ScaleAutoX) scaleAutoX(); else if (op == ScaleAutoY) scaleAutoY(); else if (op == ZoomIn) zoomIn(); else if (op == ZoomOut) zoomOut(); else if (op == ZoomInX) zoomInX(); else if (op == ZoomOutX) zoomOutX(); else if (op == ZoomInY) zoomInY(); else if (op == ZoomOutY) zoomOutY(); else if (op == ShiftLeftX) shiftLeftX(); else if (op == ShiftRightX) shiftRightX(); else if (op == ShiftUpY) shiftUpY(); else if (op == ShiftDownY) shiftDownY(); } void CartesianPlot::setSuppressDataChangedSignal(bool value) { Q_D(CartesianPlot); d->suppressRetransform = value; } void CartesianPlot::processDropEvent(QDropEvent* event) { PERFTRACE("CartesianPlot::processDropEvent"); const QMimeData* mimeData = event->mimeData(); if (!mimeData) return; //deserialize the mime data to the vector of aspect pointers QByteArray data = mimeData->data(QLatin1String("labplot-dnd")); QVector vec; QDataStream stream(&data, QIODevice::ReadOnly); stream >> vec; QVector columns; for (auto a : vec) { auto* aspect = (AbstractAspect*)a; auto* column = dynamic_cast(aspect); if (column) columns << column; } //return if there are no columns being dropped. //TODO: extend this later when we allow to drag&drop plots, etc. if (columns.isEmpty()) return; //determine the first column with "x plot designation" as the x-data column for all curves to be created const AbstractColumn* xColumn = nullptr; for (const auto* column : columns) { if (column->plotDesignation() == AbstractColumn::X) { xColumn = column; break; } } //if no column with "x plot designation" is available, use the x-data column of the first curve in the plot, if (xColumn == nullptr) { QVector curves = children(); if (!curves.isEmpty()) xColumn = curves.at(0)->xColumn(); } //use the first dropped column if no column with "x plot designation" nor curves are available if (xColumn == nullptr) xColumn = columns.at(0); //create curves bool curvesAdded = false; for (const auto* column : columns) { if (column == xColumn) continue; XYCurve* curve = new XYCurve(column->name()); curve->suppressRetransform(true); //suppress retransform, all curved will be recalculated at the end curve->setXColumn(xColumn); curve->setYColumn(column); addChild(curve); curve->suppressRetransform(false); curvesAdded = true; } if (curvesAdded) dataChanged(); } bool CartesianPlot::isPanningActive() const { Q_D(const CartesianPlot); return d->panningStarted; } //############################################################################## //################################ getter methods ############################ //############################################################################## BASIC_SHARED_D_READER_IMPL(CartesianPlot, CartesianPlot::RangeType, rangeType, rangeType) BASIC_SHARED_D_READER_IMPL(CartesianPlot, CartesianPlot::RangeFormat, xRangeFormat, xRangeFormat) BASIC_SHARED_D_READER_IMPL(CartesianPlot, CartesianPlot::RangeFormat, yRangeFormat, yRangeFormat) BASIC_SHARED_D_READER_IMPL(CartesianPlot, int, rangeLastValues, rangeLastValues) BASIC_SHARED_D_READER_IMPL(CartesianPlot, int, rangeFirstValues, rangeFirstValues) BASIC_SHARED_D_READER_IMPL(CartesianPlot, bool, autoScaleX, autoScaleX) BASIC_SHARED_D_READER_IMPL(CartesianPlot, double, xMin, xMin) BASIC_SHARED_D_READER_IMPL(CartesianPlot, double, xMax, xMax) BASIC_SHARED_D_READER_IMPL(CartesianPlot, CartesianPlot::Scale, xScale, xScale) BASIC_SHARED_D_READER_IMPL(CartesianPlot, bool, xRangeBreakingEnabled, xRangeBreakingEnabled) CLASS_SHARED_D_READER_IMPL(CartesianPlot, CartesianPlot::RangeBreaks, xRangeBreaks, xRangeBreaks) BASIC_SHARED_D_READER_IMPL(CartesianPlot, bool, autoScaleY, autoScaleY) BASIC_SHARED_D_READER_IMPL(CartesianPlot, double, yMin, yMin) BASIC_SHARED_D_READER_IMPL(CartesianPlot, double, yMax, yMax) BASIC_SHARED_D_READER_IMPL(CartesianPlot, CartesianPlot::Scale, yScale, yScale) BASIC_SHARED_D_READER_IMPL(CartesianPlot, bool, yRangeBreakingEnabled, yRangeBreakingEnabled) CLASS_SHARED_D_READER_IMPL(CartesianPlot, CartesianPlot::RangeBreaks, yRangeBreaks, yRangeBreaks) CLASS_SHARED_D_READER_IMPL(CartesianPlot, QString, theme, theme) /*! returns the actual bounding rectangular of the plot area showing data (plot's rectangular minus padding) in plot's coordinates */ QRectF CartesianPlot::dataRect() const { Q_D(const CartesianPlot); return d->dataRect; } CartesianPlot::MouseMode CartesianPlot::mouseMode() const { Q_D(const CartesianPlot); return d->mouseMode; } const QString& CartesianPlot::xRangeDateTimeFormat() const { Q_D(const CartesianPlot); return d->xRangeDateTimeFormat; } const QString& CartesianPlot::yRangeDateTimeFormat() const { Q_D(const CartesianPlot); return d->yRangeDateTimeFormat; } //############################################################################## //###################### setter methods and undo commands #################### //############################################################################## /*! set the rectangular, defined in scene coordinates */ class CartesianPlotSetRectCmd : public QUndoCommand { public: CartesianPlotSetRectCmd(CartesianPlotPrivate* private_obj, QRectF rect) : m_private(private_obj), m_rect(rect) { setText(i18n("%1: change geometry rect", m_private->name())); }; void redo() override { - QRectF tmp = m_private->rect; - //TODO: -// const double horizontalRatio = m_rect.width() / m_private->rect.width(); -// const double verticalRatio = m_rect.height() / m_private->rect.height(); -// m_private->q->handleResize(horizontalRatio, verticalRatio, false); - m_private->rect = m_rect; - m_rect = tmp; + const double horizontalRatio = m_rect.width() / m_private->rect.width(); + const double verticalRatio = m_rect.height() / m_private->rect.height(); + + qSwap(m_private->rect, m_rect); + + m_private->q->handleResize(horizontalRatio, verticalRatio, false); m_private->retransform(); emit m_private->q->rectChanged(m_private->rect); }; void undo() override { redo(); } private: CartesianPlotPrivate* m_private; QRectF m_rect; }; void CartesianPlot::setRect(const QRectF& rect) { Q_D(CartesianPlot); if (rect != d->rect) exec(new CartesianPlotSetRectCmd(d, rect)); } STD_SETTER_CMD_IMPL_F_S(CartesianPlot, SetRangeType, CartesianPlot::RangeType, rangeType, rangeChanged); void CartesianPlot::setRangeType(RangeType type) { Q_D(CartesianPlot); if (type != d->rangeType) exec(new CartesianPlotSetRangeTypeCmd(d, type, ki18n("%1: set range type"))); } STD_SETTER_CMD_IMPL_F_S(CartesianPlot, SetXRangeFormat, CartesianPlot::RangeFormat, xRangeFormat, xRangeFormatChanged); void CartesianPlot::setXRangeFormat(RangeFormat format) { Q_D(CartesianPlot); if (format != d->xRangeFormat) exec(new CartesianPlotSetXRangeFormatCmd(d, format, ki18n("%1: set x-range format"))); } STD_SETTER_CMD_IMPL_F_S(CartesianPlot, SetYRangeFormat, CartesianPlot::RangeFormat, yRangeFormat, yRangeFormatChanged); void CartesianPlot::setYRangeFormat(RangeFormat format) { Q_D(CartesianPlot); if (format != d->yRangeFormat) exec(new CartesianPlotSetYRangeFormatCmd(d, format, ki18n("%1: set y-range format"))); } STD_SETTER_CMD_IMPL_F_S(CartesianPlot, SetRangeLastValues, int, rangeLastValues, rangeChanged); void CartesianPlot::setRangeLastValues(int values) { Q_D(CartesianPlot); if (values != d->rangeLastValues) exec(new CartesianPlotSetRangeLastValuesCmd(d, values, ki18n("%1: set range"))); } STD_SETTER_CMD_IMPL_F_S(CartesianPlot, SetRangeFirstValues, int, rangeFirstValues, rangeChanged); void CartesianPlot::setRangeFirstValues(int values) { Q_D(CartesianPlot); if (values != d->rangeFirstValues) exec(new CartesianPlotSetRangeFirstValuesCmd(d, values, ki18n("%1: set range"))); } class CartesianPlotSetAutoScaleXCmd : public QUndoCommand { public: CartesianPlotSetAutoScaleXCmd(CartesianPlotPrivate* private_obj, bool autoScale) : m_private(private_obj), m_autoScale(autoScale), m_autoScaleOld(false), m_minOld(0.0), m_maxOld(0.0) { setText(i18n("%1: change x-range auto scaling", m_private->name())); }; void redo() override { m_autoScaleOld = m_private->autoScaleX; if (m_autoScale) { m_minOld = m_private->xMin; m_maxOld = m_private->xMax; m_private->q->scaleAutoX(); } m_private->autoScaleX = m_autoScale; emit m_private->q->xAutoScaleChanged(m_autoScale); }; void undo() override { if (!m_autoScaleOld) { m_private->xMin = m_minOld; m_private->xMax = m_maxOld; m_private->retransformScales(); } m_private->autoScaleX = m_autoScaleOld; emit m_private->q->xAutoScaleChanged(m_autoScaleOld); } private: CartesianPlotPrivate* m_private; bool m_autoScale; bool m_autoScaleOld; double m_minOld; double m_maxOld; }; void CartesianPlot::setAutoScaleX(bool autoScaleX) { Q_D(CartesianPlot); if (autoScaleX != d->autoScaleX) exec(new CartesianPlotSetAutoScaleXCmd(d, autoScaleX)); } STD_SETTER_CMD_IMPL_F_S(CartesianPlot, SetXMin, double, xMin, retransformScales) void CartesianPlot::setXMin(double xMin) { Q_D(CartesianPlot); if (xMin != d->xMin && xMin != -INFINITY && xMin != INFINITY) exec(new CartesianPlotSetXMinCmd(d, xMin, ki18n("%1: set min x"))); } STD_SETTER_CMD_IMPL_F_S(CartesianPlot, SetXMax, double, xMax, retransformScales) void CartesianPlot::setXMax(double xMax) { Q_D(CartesianPlot); if (xMax != d->xMax && xMax != -INFINITY && xMax != INFINITY) exec(new CartesianPlotSetXMaxCmd(d, xMax, ki18n("%1: set max x"))); } STD_SETTER_CMD_IMPL_F_S(CartesianPlot, SetXScale, CartesianPlot::Scale, xScale, retransformScales) void CartesianPlot::setXScale(Scale scale) { Q_D(CartesianPlot); if (scale != d->xScale) exec(new CartesianPlotSetXScaleCmd(d, scale, ki18n("%1: set x scale"))); } STD_SETTER_CMD_IMPL_F_S(CartesianPlot, SetXRangeBreakingEnabled, bool, xRangeBreakingEnabled, retransformScales) void CartesianPlot::setXRangeBreakingEnabled(bool enabled) { Q_D(CartesianPlot); if (enabled != d->xRangeBreakingEnabled) exec(new CartesianPlotSetXRangeBreakingEnabledCmd(d, enabled, ki18n("%1: x-range breaking enabled"))); } STD_SETTER_CMD_IMPL_F_S(CartesianPlot, SetXRangeBreaks, CartesianPlot::RangeBreaks, xRangeBreaks, retransformScales) void CartesianPlot::setXRangeBreaks(const RangeBreaks& breakings) { Q_D(CartesianPlot); exec(new CartesianPlotSetXRangeBreaksCmd(d, breakings, ki18n("%1: x-range breaks changed"))); } class CartesianPlotSetAutoScaleYCmd : public QUndoCommand { public: CartesianPlotSetAutoScaleYCmd(CartesianPlotPrivate* private_obj, bool autoScale) : m_private(private_obj), m_autoScale(autoScale), m_autoScaleOld(false), m_minOld(0.0), m_maxOld(0.0) { setText(i18n("%1: change y-range auto scaling", m_private->name())); }; void redo() override { m_autoScaleOld = m_private->autoScaleY; if (m_autoScale) { m_minOld = m_private->yMin; m_maxOld = m_private->yMax; m_private->q->scaleAutoY(); } m_private->autoScaleY = m_autoScale; emit m_private->q->yAutoScaleChanged(m_autoScale); }; void undo() override { if (!m_autoScaleOld) { m_private->yMin = m_minOld; m_private->yMax = m_maxOld; m_private->retransformScales(); } m_private->autoScaleY = m_autoScaleOld; emit m_private->q->yAutoScaleChanged(m_autoScaleOld); } private: CartesianPlotPrivate* m_private; bool m_autoScale; bool m_autoScaleOld; double m_minOld; double m_maxOld; }; void CartesianPlot::setAutoScaleY(bool autoScaleY) { Q_D(CartesianPlot); if (autoScaleY != d->autoScaleY) exec(new CartesianPlotSetAutoScaleYCmd(d, autoScaleY)); } STD_SETTER_CMD_IMPL_F_S(CartesianPlot, SetYMin, double, yMin, retransformScales) void CartesianPlot::setYMin(double yMin) { Q_D(CartesianPlot); if (yMin != d->yMin) exec(new CartesianPlotSetYMinCmd(d, yMin, ki18n("%1: set min y"))); } STD_SETTER_CMD_IMPL_F_S(CartesianPlot, SetYMax, double, yMax, retransformScales) void CartesianPlot::setYMax(double yMax) { Q_D(CartesianPlot); if (yMax != d->yMax) exec(new CartesianPlotSetYMaxCmd(d, yMax, ki18n("%1: set max y"))); } STD_SETTER_CMD_IMPL_F_S(CartesianPlot, SetYScale, CartesianPlot::Scale, yScale, retransformScales) void CartesianPlot::setYScale(Scale scale) { Q_D(CartesianPlot); if (scale != d->yScale) exec(new CartesianPlotSetYScaleCmd(d, scale, ki18n("%1: set y scale"))); } STD_SETTER_CMD_IMPL_F_S(CartesianPlot, SetYRangeBreakingEnabled, bool, yRangeBreakingEnabled, retransformScales) void CartesianPlot::setYRangeBreakingEnabled(bool enabled) { Q_D(CartesianPlot); if (enabled != d->yRangeBreakingEnabled) exec(new CartesianPlotSetYRangeBreakingEnabledCmd(d, enabled, ki18n("%1: y-range breaking enabled"))); } STD_SETTER_CMD_IMPL_F_S(CartesianPlot, SetYRangeBreaks, CartesianPlot::RangeBreaks, yRangeBreaks, retransformScales) void CartesianPlot::setYRangeBreaks(const RangeBreaks& breaks) { Q_D(CartesianPlot); exec(new CartesianPlotSetYRangeBreaksCmd(d, breaks, ki18n("%1: y-range breaks changed"))); } STD_SETTER_CMD_IMPL_S(CartesianPlot, SetTheme, QString, theme) void CartesianPlot::setTheme(const QString& theme) { Q_D(CartesianPlot); if (theme != d->theme) { if (!theme.isEmpty()) { beginMacro( i18n("%1: load theme %2", name(), theme) ); exec(new CartesianPlotSetThemeCmd(d, theme, ki18n("%1: set theme"))); loadTheme(theme); endMacro(); } else exec(new CartesianPlotSetThemeCmd(d, theme, ki18n("%1: disable theming"))); } } //################################################################ //########################## Slots ############################### //################################################################ void CartesianPlot::addHorizontalAxis() { Axis* axis = new Axis("x-axis", Axis::AxisHorizontal); if (axis->autoScale()) { axis->setUndoAware(false); axis->setStart(xMin()); axis->setEnd(xMax()); axis->setUndoAware(true); } addChild(axis); } void CartesianPlot::addVerticalAxis() { Axis* axis = new Axis("y-axis", Axis::AxisVertical); if (axis->autoScale()) { axis->setUndoAware(false); axis->setStart(yMin()); axis->setEnd(yMax()); axis->setUndoAware(true); } addChild(axis); } void CartesianPlot::addCurve() { addChild(new XYCurve("xy-curve")); } void CartesianPlot::addEquationCurve() { addChild(new XYEquationCurve("f(x)")); } void CartesianPlot::addHistogram() { addChild(new Histogram("Histogram")); } /*! * returns the first selected XYCurve in the plot */ const XYCurve* CartesianPlot::currentCurve() const { for (const auto* curve : this->children()) { if (curve->graphicsItem()->isSelected()) return curve; } return nullptr; } void CartesianPlot::addDataReductionCurve() { XYDataReductionCurve* curve = new XYDataReductionCurve("Data reduction"); const XYCurve* curCurve = currentCurve(); if (curCurve) { beginMacro( i18n("%1: reduce '%2'", name(), curCurve->name()) ); curve->setName( i18n("Reduction of '%1'", curCurve->name()) ); curve->setDataSourceType(XYAnalysisCurve::DataSourceCurve); curve->setDataSourceCurve(curCurve); this->addChild(curve); curve->recalculate(); emit curve->dataReductionDataChanged(curve->dataReductionData()); } else { beginMacro(i18n("%1: add data reduction curve", name())); this->addChild(curve); } endMacro(); } void CartesianPlot::addDifferentiationCurve() { XYDifferentiationCurve* curve = new XYDifferentiationCurve("Differentiation"); const XYCurve* curCurve = currentCurve(); if (curCurve) { beginMacro( i18n("%1: differentiate '%2'", name(), curCurve->name()) ); curve->setName( i18n("Derivative of '%1'", curCurve->name()) ); curve->setDataSourceType(XYAnalysisCurve::DataSourceCurve); curve->setDataSourceCurve(curCurve); this->addChild(curve); curve->recalculate(); emit curve->differentiationDataChanged(curve->differentiationData()); } else { beginMacro(i18n("%1: add differentiation curve", name())); this->addChild(curve); } endMacro(); } void CartesianPlot::addIntegrationCurve() { XYIntegrationCurve* curve = new XYIntegrationCurve("Integration"); const XYCurve* curCurve = currentCurve(); if (curCurve) { beginMacro( i18n("%1: integrate '%2'", name(), curCurve->name()) ); curve->setName( i18n("Integral of '%1'", curCurve->name()) ); curve->setDataSourceType(XYAnalysisCurve::DataSourceCurve); curve->setDataSourceCurve(curCurve); this->addChild(curve); curve->recalculate(); emit curve->integrationDataChanged(curve->integrationData()); } else { beginMacro(i18n("%1: add integration curve", name())); this->addChild(curve); } endMacro(); } void CartesianPlot::addInterpolationCurve() { XYInterpolationCurve* curve = new XYInterpolationCurve("Interpolation"); const XYCurve* curCurve = currentCurve(); if (curCurve) { beginMacro( i18n("%1: interpolate '%2'", name(), curCurve->name()) ); curve->setName( i18n("Interpolation of '%1'", curCurve->name()) ); curve->setDataSourceType(XYAnalysisCurve::DataSourceCurve); curve->setDataSourceCurve(curCurve); curve->recalculate(); this->addChild(curve); emit curve->interpolationDataChanged(curve->interpolationData()); } else { beginMacro(i18n("%1: add interpolation curve", name())); this->addChild(curve); } endMacro(); } void CartesianPlot::addSmoothCurve() { XYSmoothCurve* curve = new XYSmoothCurve("Smooth"); const XYCurve* curCurve = currentCurve(); if (curCurve) { beginMacro( i18n("%1: smooth '%2'", name(), curCurve->name()) ); curve->setName( i18n("Smoothing of '%1'", curCurve->name()) ); curve->setDataSourceType(XYAnalysisCurve::DataSourceCurve); curve->setDataSourceCurve(curCurve); this->addChild(curve); curve->recalculate(); emit curve->smoothDataChanged(curve->smoothData()); } else { beginMacro(i18n("%1: add smoothing curve", name())); this->addChild(curve); } endMacro(); } void CartesianPlot::addFitCurve() { DEBUG("CartesianPlot::addFitCurve()"); XYFitCurve* curve = new XYFitCurve("fit"); const XYCurve* curCurve = currentCurve(); if (curCurve) { beginMacro( i18n("%1: fit to '%2'", name(), curCurve->name()) ); curve->setName( i18n("Fit to '%1'", curCurve->name()) ); curve->setDataSourceType(XYAnalysisCurve::DataSourceCurve); curve->setDataSourceCurve(curCurve); //set the fit model category and type const auto* action = qobject_cast(QObject::sender()); PlotDataDialog::AnalysisAction type = (PlotDataDialog::AnalysisAction)action->data().toInt(); curve->initFitData(type); curve->initStartValues(curCurve); //fit with weights for y if the curve has error bars for y if (curCurve->yErrorType() == XYCurve::SymmetricError && curCurve->yErrorPlusColumn()) { XYFitCurve::FitData fitData = curve->fitData(); fitData.yWeightsType = nsl_fit_weight_instrumental; curve->setFitData(fitData); curve->setYErrorColumn(curCurve->yErrorPlusColumn()); } this->addChild(curve); curve->recalculate(); emit curve->fitDataChanged(curve->fitData()); } else { beginMacro(i18n("%1: add fit curve", name())); this->addChild(curve); } endMacro(); } void CartesianPlot::addFourierFilterCurve() { XYFourierFilterCurve* curve = new XYFourierFilterCurve("Fourier filter"); const XYCurve* curCurve = currentCurve(); if (curCurve) { beginMacro( i18n("%1: Fourier filtering of '%2'", name(), curCurve->name()) ); curve->setName( i18n("Fourier filtering of '%1'", curCurve->name()) ); curve->setDataSourceType(XYAnalysisCurve::DataSourceCurve); curve->setDataSourceCurve(curCurve); this->addChild(curve); } else { beginMacro(i18n("%1: add Fourier filter curve", name())); this->addChild(curve); } endMacro(); } void CartesianPlot::addFourierTransformCurve() { XYFourierTransformCurve* curve = new XYFourierTransformCurve("Fourier transform"); this->addChild(curve); } void CartesianPlot::addConvolutionCurve() { XYConvolutionCurve* curve = new XYConvolutionCurve("Convolution"); this->addChild(curve); } void CartesianPlot::addCorrelationCurve() { XYCorrelationCurve* curve = new XYCorrelationCurve("Auto-/Cross-Correlation"); this->addChild(curve); } /*! * public helper function to set a legend object created outside of CartesianPlot, e.g. in \c OriginProjectParser. */ void CartesianPlot::addLegend(CartesianPlotLegend* legend) { m_legend = legend; this->addChild(legend); } void CartesianPlot::addLegend() { //don't do anything if there's already a legend if (m_legend) return; m_legend = new CartesianPlotLegend(this, "legend"); this->addChild(m_legend); m_legend->retransform(); //only one legend is allowed -> disable the action if (m_menusInitialized) addLegendAction->setEnabled(false); } void CartesianPlot::addTextLabel() { TextLabel* label = new TextLabel("text label"); this->addChild(label); label->setParentGraphicsItem(graphicsItem()); } void CartesianPlot::addCustomPoint() { CustomPoint* point = new CustomPoint(this, "custom point"); this->addChild(point); } void CartesianPlot::childAdded(const AbstractAspect* child) { Q_D(CartesianPlot); const auto* curve = qobject_cast(child); if (curve) { connect(curve, SIGNAL(dataChanged()), this, SLOT(dataChanged())); connect(curve, SIGNAL(xDataChanged()), this, SLOT(xDataChanged())); connect(curve, SIGNAL(yDataChanged()), this, SLOT(yDataChanged())); connect(curve, SIGNAL(visibilityChanged(bool)), this, SLOT(curveVisibilityChanged())); //update the legend on changes of the name, line and symbol styles connect(curve, SIGNAL(aspectDescriptionChanged(const AbstractAspect*)), this, SLOT(updateLegend())); connect(curve, SIGNAL(lineTypeChanged(XYCurve::LineType)), this, SLOT(updateLegend())); connect(curve, SIGNAL(linePenChanged(QPen)), this, SLOT(updateLegend())); connect(curve, SIGNAL(lineOpacityChanged(qreal)), this, SLOT(updateLegend())); connect(curve, SIGNAL(symbolsStyleChanged(Symbol::Style)), this, SLOT(updateLegend())); connect(curve, SIGNAL(symbolsSizeChanged(qreal)), this, SLOT(updateLegend())); connect(curve, SIGNAL(symbolsRotationAngleChanged(qreal)), this, SLOT(updateLegend())); connect(curve, SIGNAL(symbolsOpacityChanged(qreal)), this, SLOT(updateLegend())); connect(curve, SIGNAL(symbolsBrushChanged(QBrush)), this, SLOT(updateLegend())); connect(curve, SIGNAL(symbolsPenChanged(QPen)), this, SLOT(updateLegend())); updateLegend(); d->curvesXMinMaxIsDirty = true; d->curvesYMinMaxIsDirty = true; //in case the first curve is added, check whether we start plotting datetime data if (children().size() == 1) { const auto* col = dynamic_cast(curve->xColumn()); if (col) { if (col->columnMode() == AbstractColumn::DateTime) { setUndoAware(false); setXRangeFormat(CartesianPlot::DateTime); setUndoAware(true); //set column's datetime format for all horizontal axis for (auto* axis : children()) { if (axis->orientation() == Axis::AxisHorizontal) { auto* filter = static_cast(col->outputFilter()); d->xRangeDateTimeFormat = filter->format(); axis->setUndoAware(false); axis->setLabelsDateTimeFormat(d->xRangeDateTimeFormat); axis->setUndoAware(true); } } } } col = dynamic_cast(curve->yColumn()); if (col) { if (col->columnMode() == AbstractColumn::DateTime) { setUndoAware(false); setYRangeFormat(CartesianPlot::DateTime); setUndoAware(true); //set column's datetime format for all vertical axis for (auto* axis : children()) { if (axis->orientation() == Axis::AxisVertical) { auto* filter = static_cast(col->outputFilter()); d->yRangeDateTimeFormat = filter->format(); axis->setUndoAware(false); axis->setLabelsDateTimeFormat(d->yRangeDateTimeFormat); axis->setUndoAware(true); } } } } } } else { const auto* hist = qobject_cast(child); if (hist) { connect(hist, &Histogram::dataChanged, this, &CartesianPlot::dataChanged); connect(hist, &Histogram::visibilityChanged, this, &CartesianPlot::curveVisibilityChanged); updateLegend(); } } if (!isLoading()) { //if a theme was selected, apply the theme settings for newly added children, too if (!d->theme.isEmpty()) { const auto* elem = dynamic_cast(child); if (elem) { KConfig config(ThemeHandler::themeFilePath(d->theme), KConfig::SimpleConfig); const_cast(elem)->loadThemeConfig(config); } } else { //no theme is available, apply the default colors for curves only, s.a. XYCurve::loadThemeConfig() const auto* curve = dynamic_cast(child); if (curve) { int index = indexOfChild(curve); QColor themeColor; if (index < m_themeColorPalette.size()) themeColor = m_themeColorPalette.at(index); else { if (m_themeColorPalette.size()) themeColor = m_themeColorPalette.last(); } auto* c = const_cast(curve); //Line QPen p = curve->linePen(); p.setColor(themeColor); c->setLinePen(p); //Drop line p = curve->dropLinePen(); p.setColor(themeColor); c->setDropLinePen(p); //Symbol QBrush brush = c->symbolsBrush(); brush.setColor(themeColor); c->setSymbolsBrush(brush); p = c->symbolsPen(); p.setColor(themeColor); c->setSymbolsPen(p); //Filling c->setFillingFirstColor(themeColor); //Error bars p.setColor(themeColor); c->setErrorBarsPen(p); } } } } void CartesianPlot::childRemoved(const AbstractAspect* parent, const AbstractAspect* before, const AbstractAspect* child) { Q_UNUSED(parent); Q_UNUSED(before); if (m_legend == child) { if (m_menusInitialized) addLegendAction->setEnabled(true); m_legend = nullptr; } else { const auto* curve = qobject_cast(child); if (curve) updateLegend(); } } void CartesianPlot::updateLegend() { if (m_legend) m_legend->retransform(); } /*! called when in one of the curves the data was changed. Autoscales the coordinate system and the x-axes, when "auto-scale" is active. */ void CartesianPlot::dataChanged() { Q_D(CartesianPlot); d->curvesXMinMaxIsDirty = true; d->curvesYMinMaxIsDirty = true; bool updated = false; if (d->autoScaleX && d->autoScaleY) updated = this->scaleAuto(); else if (d->autoScaleX) updated = this->scaleAutoX(); else if (d->autoScaleY) updated = this->scaleAutoY(); if (!updated || !QObject::sender()) { //even if the plot ranges were not changed, either no auto scale active or the new data //is within the current ranges and no change of the ranges is required, //retransform the curve in order to show the changes auto* curve = dynamic_cast(QObject::sender()); if (curve) curve->retransform(); else { auto* hist = dynamic_cast(QObject::sender()); if (hist) hist->retransform(); else { //no sender available, the function was called in CartesianPlot::dataChanged() //via plot->dataChaged() in the file filter (live data source got new data) //-> retransform all available curves since we don't know which curves are affected. //TODO: this logic can be very expensive for (auto* c : children()) { c->recalcLogicalPoints(); c->retransform(); } } } } } /*! called when in one of the curves the x-data was changed. Autoscales the coordinate system and the x-axes, when "auto-scale" is active. */ void CartesianPlot::xDataChanged() { if (project() && project()->isLoading()) return; Q_D(CartesianPlot); if (d->suppressRetransform) return; d->curvesXMinMaxIsDirty = true; bool updated = false; if (d->autoScaleX) updated = this->scaleAutoX(); if (!updated) { //even if the plot ranges were not changed, either no auto scale active or the new data //is within the current ranges and no change of the ranges is required, //retransform the curve in order to show the changes auto* curve = dynamic_cast(QObject::sender()); if (curve) curve->retransform(); else { auto* hist = dynamic_cast(QObject::sender()); if (hist) hist->retransform(); } } //in case there is only one curve and its column mode was changed, check whether we start plotting datetime data if (children().size() == 1) { auto* curve = dynamic_cast(QObject::sender()); const AbstractColumn* col = curve->xColumn(); if (col->columnMode() == AbstractColumn::DateTime && d->xRangeFormat != CartesianPlot::DateTime) { setUndoAware(false); setXRangeFormat(CartesianPlot::DateTime); setUndoAware(true); } } } /*! called when in one of the curves the x-data was changed. Autoscales the coordinate system and the x-axes, when "auto-scale" is active. */ void CartesianPlot::yDataChanged() { if (project() && project()->isLoading()) return; Q_D(CartesianPlot); if (d->suppressRetransform) return; d->curvesYMinMaxIsDirty = true; bool updated = false; if (d->autoScaleY) this->scaleAutoY(); if (!updated) { //even if the plot ranges were not changed, either no auto scale active or the new data //is within the current ranges and no change of the ranges is required, //retransform the curve in order to show the changes auto* curve = dynamic_cast(QObject::sender()); if (curve) curve->retransform(); else { auto* hist = dynamic_cast(QObject::sender()); if (hist) hist->retransform(); } } //in case there is only one curve and its column mode was changed, check whether we start plotting datetime data if (children().size() == 1) { auto* curve = dynamic_cast(QObject::sender()); const AbstractColumn* col = curve->yColumn(); if (col->columnMode() == AbstractColumn::DateTime && d->xRangeFormat != CartesianPlot::DateTime) { setUndoAware(false); setYRangeFormat(CartesianPlot::DateTime); setUndoAware(true); } } } void CartesianPlot::curveVisibilityChanged() { Q_D(CartesianPlot); d->curvesXMinMaxIsDirty = true; d->curvesYMinMaxIsDirty = true; updateLegend(); if (d->autoScaleX && d->autoScaleY) this->scaleAuto(); else if (d->autoScaleX) this->scaleAutoX(); else if (d->autoScaleY) this->scaleAutoY(); } void CartesianPlot::setMouseMode(const MouseMode mouseMode) { Q_D(CartesianPlot); d->mouseMode = mouseMode; d->setHandlesChildEvents(mouseMode != CartesianPlot::SelectionMode); QList items = d->childItems(); if (d->mouseMode == CartesianPlot::SelectionMode) { for (auto* item : items) item->setFlag(QGraphicsItem::ItemStacksBehindParent, false); } else { for (auto* item : items) item->setFlag(QGraphicsItem::ItemStacksBehindParent, true); } //when doing zoom selection, prevent the graphics item from being movable //if it's currently movable (no worksheet layout available) const auto* worksheet = dynamic_cast(parentAspect()); if (worksheet) { if (mouseMode == CartesianPlot::SelectionMode) { if (worksheet->layout() != Worksheet::NoLayout) graphicsItem()->setFlag(QGraphicsItem::ItemIsMovable, false); else graphicsItem()->setFlag(QGraphicsItem::ItemIsMovable, true); } else //zoom m_selection graphicsItem()->setFlag(QGraphicsItem::ItemIsMovable, false); } } void CartesianPlot::setLocked(bool locked) { Q_D(CartesianPlot); d->locked = locked; } bool CartesianPlot::scaleAutoX() { Q_D(CartesianPlot); if (d->curvesXMinMaxIsDirty) { int count = 0; switch (d->rangeType) { case CartesianPlot::RangeFree: count = 0; break; case CartesianPlot::RangeLast: count = -d->rangeLastValues; break; case CartesianPlot::RangeFirst: count = d->rangeFirstValues; break; } d->curvesXMin = INFINITY; d->curvesXMax = -INFINITY; //loop over all xy-curves and determine the maximum and minimum x-values for (const auto* curve : this->children()) { if (!curve->isVisible()) continue; if (!curve->xColumn()) continue; const double min = curve->xColumn()->minimum(count); if (min < d->curvesXMin) d->curvesXMin = min; const double max = curve->xColumn()->maximum(count); if (max > d->curvesXMax) d->curvesXMax = max; } //loop over all histograms and determine the maximum and minimum x-values for (const auto* curve : this->children()) { if (!curve->isVisible()) continue; if (!curve->dataColumn()) continue; const double min = curve->getXMinimum(); if (d->curvesXMin > min) d->curvesXMin = min; const double max = curve->getXMaximum(); if (max > d->curvesXMax) d->curvesXMax = max; } d->curvesXMinMaxIsDirty = false; } bool update = false; if (d->curvesXMin != d->xMin && d->curvesXMin != INFINITY) { d->xMin = d->curvesXMin; update = true; } if (d->curvesXMax != d->xMax && d->curvesXMax != -INFINITY) { d->xMax = d->curvesXMax; update = true; } if (update) { if (d->xMax == d->xMin) { //in case min and max are equal (e.g. if we plot a single point), subtract/add 10% of the value if (d->xMax != 0) { d->xMax = d->xMax*1.1; d->xMin = d->xMin*0.9; } else { d->xMax = 0.1; d->xMin = -0.1; } } else { double offset = (d->xMax - d->xMin)*d->autoScaleOffsetFactor; d->xMin -= offset; d->xMax += offset; } d->retransformScales(); } return update; } bool CartesianPlot::scaleAutoY() { Q_D(CartesianPlot); if (d->curvesYMinMaxIsDirty) { int count = 0; switch (d->rangeType) { case CartesianPlot::RangeFree: count = 0; break; case CartesianPlot::RangeLast: count = -d->rangeLastValues; break; case CartesianPlot::RangeFirst: count = d->rangeFirstValues; break; } d->curvesYMin = INFINITY; d->curvesYMax = -INFINITY; //loop over all xy-curves and determine the maximum and minimum y-values for (const auto* curve : this->children()) { if (!curve->isVisible()) continue; if (!curve->yColumn()) continue; const double min = curve->yColumn()->minimum(count); if (min < d->curvesYMin) d->curvesYMin = min; const double max = curve->yColumn()->maximum(count); if (max > d->curvesYMax) d->curvesYMax = max; } //loop over all histograms and determine the maximum y-value for (const auto* curve : this->children()) { if (!curve->isVisible()) continue; const double min = curve->getYMinimum(); if (d->curvesYMin > min) d->curvesYMin = min; const double max = curve->getYMaximum(); if (max > d->curvesYMax) d->curvesYMax = max; } d->curvesYMinMaxIsDirty = false; } bool update = false; if (d->curvesYMin != d->yMin && d->curvesYMin != INFINITY) { d->yMin = d->curvesYMin; update = true; } if (d->curvesYMax != d->yMax && d->curvesYMax != -INFINITY) { d->yMax = d->curvesYMax; update = true; } if (update) { if (d->yMax == d->yMin) { //in case min and max are equal (e.g. if we plot a single point), subtract/add 10% of the value if (d->yMax != 0) { d->yMax = d->yMax*1.1; d->yMin = d->yMin*0.9; } else { d->yMax = 0.1; d->yMin = -0.1; } } else { double offset = (d->yMax - d->yMin)*d->autoScaleOffsetFactor; d->yMin -= offset; d->yMax += offset; } d->retransformScales(); } return update; } bool CartesianPlot::scaleAuto() { DEBUG("CartesianPlot::scaleAuto()"); Q_D(CartesianPlot); int count = 0; switch (d->rangeType) { case CartesianPlot::RangeFree: count = 0; break; case CartesianPlot::RangeLast: count = -d->rangeLastValues; break; case CartesianPlot::RangeFirst: count = d->rangeFirstValues; break; } if (d->curvesXMinMaxIsDirty) { d->curvesXMin = INFINITY; d->curvesXMax = -INFINITY; //loop over all xy-curves and determine the maximum and minimum x-values for (const auto* curve : this->children()) { if (!curve->isVisible()) continue; if (!curve->xColumn()) continue; const double min = curve->xColumn()->minimum(count); if (min < d->curvesXMin) d->curvesXMin = min; double max = curve->xColumn()->maximum(count); if (max > d->curvesXMax) d->curvesXMax = max; } //loop over all histograms and determine the maximum and minimum x-values for (const auto* curve : this->children()) { if (!curve->isVisible()) continue; if (!curve->dataColumn()) continue; const double min = curve->getXMinimum(); if (d->curvesXMin > min) d->curvesXMin = min; const double max = curve->getXMaximum(); if (max > d->curvesXMax) d->curvesXMax = max; } d->curvesXMinMaxIsDirty = false; } if (d->curvesYMinMaxIsDirty) { d->curvesYMin = INFINITY; d->curvesYMax = -INFINITY; //loop over all xy-curves and determine the maximum and minimum y-values for (const auto* curve : this->children()) { if (!curve->isVisible()) continue; if (!curve->yColumn()) continue; const double min = curve->yColumn()->minimum(count); if (min < d->curvesYMin) d->curvesYMin = min; const double max = curve->yColumn()->maximum(count); if (max > d->curvesYMax) d->curvesYMax = max; } //loop over all histograms and determine the maximum y-value for (const auto* curve : this->children()) { if (!curve->isVisible()) continue; const double min = curve->getYMinimum(); if (d->curvesYMin > min) d->curvesYMin = min; const double max = curve->getYMaximum(); if (max > d->curvesYMax) d->curvesYMax = max; } } bool updateX = false; bool updateY = false; if (d->curvesXMin != d->xMin && d->curvesXMin != INFINITY) { d->xMin = d->curvesXMin; updateX = true; } if (d->curvesXMax != d->xMax && d->curvesXMax != -INFINITY) { d->xMax = d->curvesXMax; updateX = true; } if (d->curvesYMin != d->yMin && d->curvesYMin != INFINITY) { d->yMin = d->curvesYMin; updateY = true; } if (d->curvesYMax != d->yMax && d->curvesYMax != -INFINITY) { d->yMax = d->curvesYMax; updateY = true; } DEBUG(" xmin/xmax = " << d->xMin << '/' << d->xMax << ", ymin/ymax = " << d->yMin << '/' << d->yMax); if (updateX || updateY) { if (updateX) { if (d->xMax == d->xMin) { //in case min and max are equal (e.g. if we plot a single point), subtract/add 10% of the value if (d->xMax != 0) { d->xMax = d->xMax*1.1; d->xMin = d->xMin*0.9; } else { d->xMax = 0.1; d->xMin = -0.1; } } else { double offset = (d->xMax - d->xMin)*d->autoScaleOffsetFactor; d->xMin -= offset; d->xMax += offset; } } if (updateY) { if (d->yMax == d->yMin) { //in case min and max are equal (e.g. if we plot a single point), subtract/add 10% of the value if (d->yMax != 0) { d->yMax = d->yMax*1.1; d->yMin = d->yMin*0.9; } else { d->yMax = 0.1; d->yMin = -0.1; } } else { double offset = (d->yMax - d->yMin)*d->autoScaleOffsetFactor; d->yMin -= offset; d->yMax += offset; } } d->retransformScales(); } return (updateX || updateY); } void CartesianPlot::zoomIn() { Q_D(CartesianPlot); double oldRange = (d->xMax - d->xMin); double newRange = (d->xMax - d->xMin) / m_zoomFactor; d->xMax = d->xMax + (newRange - oldRange) / 2; d->xMin = d->xMin - (newRange - oldRange) / 2; oldRange = (d->yMax - d->yMin); newRange = (d->yMax - d->yMin) / m_zoomFactor; d->yMax = d->yMax + (newRange - oldRange) / 2; d->yMin = d->yMin - (newRange - oldRange) / 2; d->retransformScales(); } void CartesianPlot::zoomOut() { Q_D(CartesianPlot); double oldRange = (d->xMax-d->xMin); double newRange = (d->xMax-d->xMin)*m_zoomFactor; d->xMax = d->xMax + (newRange-oldRange)/2; d->xMin = d->xMin - (newRange-oldRange)/2; oldRange = (d->yMax-d->yMin); newRange = (d->yMax-d->yMin)*m_zoomFactor; d->yMax = d->yMax + (newRange-oldRange)/2; d->yMin = d->yMin - (newRange-oldRange)/2; d->retransformScales(); } void CartesianPlot::zoomInX() { Q_D(CartesianPlot); double oldRange = (d->xMax-d->xMin); double newRange = (d->xMax-d->xMin)/m_zoomFactor; d->xMax = d->xMax + (newRange-oldRange)/2; d->xMin = d->xMin - (newRange-oldRange)/2; d->retransformScales(); } void CartesianPlot::zoomOutX() { Q_D(CartesianPlot); double oldRange = (d->xMax-d->xMin); double newRange = (d->xMax-d->xMin)*m_zoomFactor; d->xMax = d->xMax + (newRange-oldRange)/2; d->xMin = d->xMin - (newRange-oldRange)/2; d->retransformScales(); } void CartesianPlot::zoomInY() { Q_D(CartesianPlot); double oldRange = (d->yMax-d->yMin); double newRange = (d->yMax-d->yMin)/m_zoomFactor; d->yMax = d->yMax + (newRange-oldRange)/2; d->yMin = d->yMin - (newRange-oldRange)/2; d->retransformScales(); } void CartesianPlot::zoomOutY() { Q_D(CartesianPlot); double oldRange = (d->yMax-d->yMin); double newRange = (d->yMax-d->yMin)*m_zoomFactor; d->yMax = d->yMax + (newRange-oldRange)/2; d->yMin = d->yMin - (newRange-oldRange)/2; d->retransformScales(); } void CartesianPlot::shiftLeftX() { Q_D(CartesianPlot); double offsetX = (d->xMax-d->xMin)*0.1; d->xMax -= offsetX; d->xMin -= offsetX; d->retransformScales(); } void CartesianPlot::shiftRightX() { Q_D(CartesianPlot); double offsetX = (d->xMax-d->xMin)*0.1; d->xMax += offsetX; d->xMin += offsetX; d->retransformScales(); } void CartesianPlot::shiftUpY() { Q_D(CartesianPlot); double offsetY = (d->yMax-d->yMin)*0.1; d->yMax += offsetY; d->yMin += offsetY; d->retransformScales(); } void CartesianPlot::shiftDownY() { Q_D(CartesianPlot); double offsetY = (d->yMax-d->yMin)*0.1; d->yMax -= offsetY; d->yMin -= offsetY; d->retransformScales(); } //############################################################################## //###### SLOTs for changes triggered via QActions in the context menu ######## //############################################################################## void CartesianPlot::visibilityChanged() { Q_D(CartesianPlot); this->setVisible(!d->isVisible()); } //##################################################################### //################### Private implementation ########################## //##################################################################### CartesianPlotPrivate::CartesianPlotPrivate(CartesianPlot* plot) : AbstractPlotPrivate(plot), q(plot) { setData(0, WorksheetElement::NameCartesianPlot); } /*! updates the position of plot rectangular in scene coordinates to \c r and recalculates the scales. The size of the plot corresponds to the size of the plot area, the area which is filled with the background color etc. and which can pose the parent item for several sub-items (like TextLabel). Note, the size of the area used to define the coordinate system doesn't need to be equal to this plot area. Also, the size (=bounding box) of CartesianPlot can be greater than the size of the plot area. */ void CartesianPlotPrivate::retransform() { if (suppressRetransform) return; PERFTRACE("CartesianPlotPrivate::retransform()"); prepareGeometryChange(); setPos( rect.x()+rect.width()/2, rect.y()+rect.height()/2); updateDataRect(); retransformScales(); //plotArea position is always (0, 0) in parent's coordinates, don't need to update here q->plotArea()->setRect(rect); //call retransform() for the title and the legend (if available) //when a predefined position relative to the (Left, Centered etc.) is used, //the actual position needs to be updated on plot's geometry changes. if (q->title()) q->title()->retransform(); if (q->m_legend) q->m_legend->retransform(); WorksheetElementContainerPrivate::recalcShapeAndBoundingRect(); } void CartesianPlotPrivate::retransformScales() { DEBUG("CartesianPlotPrivate::retransformScales()"); DEBUG(" xmin/xmax = " << xMin << '/'<< xMax << ", ymin/ymax = " << yMin << '/' << yMax); PERFTRACE("CartesianPlotPrivate::retransformScales()"); auto* plot = dynamic_cast(q); QVector scales; //perform the mapping from the scene coordinates to the plot's coordinates here. QRectF itemRect = mapRectFromScene(rect); //check ranges for log-scales if (xScale != CartesianPlot::ScaleLinear) checkXRange(); //check whether we have x-range breaks - the first break, if available, should be valid bool hasValidBreak = (xRangeBreakingEnabled && !xRangeBreaks.list.isEmpty() && xRangeBreaks.list.first().isValid()); static const int breakGap = 20; double sceneStart, sceneEnd, logicalStart, logicalEnd; //create x-scales int plotSceneStart = itemRect.x() + horizontalPadding; int plotSceneEnd = itemRect.x() + itemRect.width() - horizontalPadding; if (!hasValidBreak) { //no breaks available -> range goes from the plot beginning to the end of the plot sceneStart = plotSceneStart; sceneEnd = plotSceneEnd; logicalStart = xMin; logicalEnd = xMax; //TODO: how should we handle the case sceneStart == sceneEnd? //(to reproduce, create plots and adjust the spacing/pading to get zero size for the plots) if (sceneStart != sceneEnd) scales << this->createScale(xScale, sceneStart, sceneEnd, logicalStart, logicalEnd); } else { int sceneEndLast = plotSceneStart; int logicalEndLast = xMin; for (const auto& rb : xRangeBreaks.list) { if (!rb.isValid()) break; //current range goes from the end of the previous one (or from the plot beginning) to curBreak.start sceneStart = sceneEndLast; if (&rb == &xRangeBreaks.list.first()) sceneStart += breakGap; sceneEnd = plotSceneStart + (plotSceneEnd-plotSceneStart) * rb.position; logicalStart = logicalEndLast; logicalEnd = rb.start; if (sceneStart != sceneEnd) scales << this->createScale(xScale, sceneStart, sceneEnd, logicalStart, logicalEnd); sceneEndLast = sceneEnd; logicalEndLast = rb.end; } //add the remaining range going from the last available range break to the end of the plot (=end of the x-data range) sceneStart = sceneEndLast+breakGap; sceneEnd = plotSceneEnd; logicalStart = logicalEndLast; logicalEnd = xMax; if (sceneStart != sceneEnd) scales << this->createScale(xScale, sceneStart, sceneEnd, logicalStart, logicalEnd); } cSystem->setXScales(scales); //check ranges for log-scales if (yScale != CartesianPlot::ScaleLinear) checkYRange(); //check whether we have y-range breaks - the first break, if available, should be valid hasValidBreak = (yRangeBreakingEnabled && !yRangeBreaks.list.isEmpty() && yRangeBreaks.list.first().isValid()); //create y-scales scales.clear(); plotSceneStart = itemRect.y()+itemRect.height()-verticalPadding; plotSceneEnd = itemRect.y()+verticalPadding; if (!hasValidBreak) { //no breaks available -> range goes from the plot beginning to the end of the plot sceneStart = plotSceneStart; sceneEnd = plotSceneEnd; logicalStart = yMin; logicalEnd = yMax; if (sceneStart != sceneEnd) scales << this->createScale(yScale, sceneStart, sceneEnd, logicalStart, logicalEnd); } else { int sceneEndLast = plotSceneStart; int logicalEndLast = yMin; for (const auto& rb : yRangeBreaks.list) { if (!rb.isValid()) break; //current range goes from the end of the previous one (or from the plot beginning) to curBreak.start sceneStart = sceneEndLast; if (&rb == &yRangeBreaks.list.first()) sceneStart -= breakGap; sceneEnd = plotSceneStart + (plotSceneEnd-plotSceneStart) * rb.position; logicalStart = logicalEndLast; logicalEnd = rb.start; if (sceneStart != sceneEnd) scales << this->createScale(yScale, sceneStart, sceneEnd, logicalStart, logicalEnd); sceneEndLast = sceneEnd; logicalEndLast = rb.end; } //add the remaining range going from the last available range break to the end of the plot (=end of the y-data range) sceneStart = sceneEndLast-breakGap; sceneEnd = plotSceneEnd; logicalStart = logicalEndLast; logicalEnd = yMax; if (sceneStart != sceneEnd) scales << this->createScale(yScale, sceneStart, sceneEnd, logicalStart, logicalEnd); } cSystem->setYScales(scales); //calculate the changes in x and y and save the current values for xMin, xMax, yMin, yMax double deltaXMin = 0; double deltaXMax = 0; double deltaYMin = 0; double deltaYMax = 0; if (xMin != xMinPrev) { deltaXMin = xMin - xMinPrev; emit plot->xMinChanged(xMin); } if (xMax != xMaxPrev) { deltaXMax = xMax - xMaxPrev; emit plot->xMaxChanged(xMax); } if (yMin != yMinPrev) { deltaYMin = yMin - yMinPrev; emit plot->yMinChanged(yMin); } if (yMax != yMaxPrev) { deltaYMax = yMax - yMaxPrev; emit plot->yMaxChanged(yMax); } xMinPrev = xMin; xMaxPrev = xMax; yMinPrev = yMin; yMaxPrev = yMax; //adjust auto-scale axes for (auto* axis : q->children()) { if (!axis->autoScale()) continue; if (axis->orientation() == Axis::AxisHorizontal) { if (deltaXMax != 0) { axis->setUndoAware(false); axis->setSuppressRetransform(true); axis->setEnd(xMax); axis->setUndoAware(true); axis->setSuppressRetransform(false); } if (deltaXMin != 0) { axis->setUndoAware(false); axis->setSuppressRetransform(true); axis->setStart(xMin); axis->setUndoAware(true); axis->setSuppressRetransform(false); } //TODO; // if (axis->position() == Axis::AxisCustom && deltaYMin != 0) { // axis->setOffset(axis->offset() + deltaYMin, false); // } } else { if (deltaYMax != 0) { axis->setUndoAware(false); axis->setSuppressRetransform(true); axis->setEnd(yMax); axis->setUndoAware(true); axis->setSuppressRetransform(false); } if (deltaYMin != 0) { axis->setUndoAware(false); axis->setSuppressRetransform(true); axis->setStart(yMin); axis->setUndoAware(true); axis->setSuppressRetransform(false); } //TODO; // if (axis->position() == Axis::AxisCustom && deltaXMin != 0) { // axis->setOffset(axis->offset() + deltaXMin, false); // } } } // call retransform() on the parent to trigger the update of all axes and curvesю //no need to do this on load since all plots are retransformed again after the project is loaded. if (!q->isLoading()) q->retransform(); } /* * calculates the rectangular of the are showing the actual data (plot's rect minus padding), * in plot's coordinates. */ void CartesianPlotPrivate::updateDataRect() { dataRect = mapRectFromScene(rect); dataRect.setX(dataRect.x() + horizontalPadding); dataRect.setY(dataRect.y() + verticalPadding); dataRect.setWidth(dataRect.width() - horizontalPadding); dataRect.setHeight(dataRect.height() - verticalPadding); } void CartesianPlotPrivate::rangeChanged() { curvesXMinMaxIsDirty = true; curvesYMinMaxIsDirty = true; if (autoScaleX && autoScaleY) q->scaleAuto(); else if (autoScaleX) q->scaleAutoX(); else if (autoScaleY) q->scaleAutoY(); } void CartesianPlotPrivate::xRangeFormatChanged() { for (auto* axis : q->children()) { if (axis->orientation() == Axis::AxisHorizontal) axis->retransformTickLabelStrings(); } } void CartesianPlotPrivate::yRangeFormatChanged() { for (auto* axis : q->children()) { if (axis->orientation() == Axis::AxisVertical) axis->retransformTickLabelStrings(); } } /*! * don't allow any negative values for the x range when log or sqrt scalings are used */ void CartesianPlotPrivate::checkXRange() { double min = 0.01; if (xMin <= 0.0) { (min < xMax*min) ? xMin = min : xMin = xMax*min; emit q->xMinChanged(xMin); } else if (xMax <= 0.0) { (-min > xMin*min) ? xMax = -min : xMax = xMin*min; emit q->xMaxChanged(xMax); } } /*! * don't allow any negative values for the y range when log or sqrt scalings are used */ void CartesianPlotPrivate::checkYRange() { double min = 0.01; if (yMin <= 0.0) { (min < yMax*min) ? yMin = min : yMin = yMax*min; emit q->yMinChanged(yMin); } else if (yMax <= 0.0) { (-min > yMin*min) ? yMax = -min : yMax = yMin*min; emit q->yMaxChanged(yMax); } } CartesianScale* CartesianPlotPrivate::createScale(CartesianPlot::Scale type, double sceneStart, double sceneEnd, double logicalStart, double logicalEnd) { DEBUG("CartesianPlotPrivate::createScale() scene start/end = " << sceneStart << '/' << sceneEnd << ", logical start/end = " << logicalStart << '/' << logicalEnd); // Interval interval (logicalStart-0.01, logicalEnd+0.01); //TODO: move this to CartesianScale Interval interval (std::numeric_limits::lowest(), std::numeric_limits::max()); // Interval interval (logicalStart, logicalEnd); if (type == CartesianPlot::ScaleLinear) return CartesianScale::createLinearScale(interval, sceneStart, sceneEnd, logicalStart, logicalEnd); else return CartesianScale::createLogScale(interval, sceneStart, sceneEnd, logicalStart, logicalEnd, type); } /*! * Reimplemented from QGraphicsItem. */ QVariant CartesianPlotPrivate::itemChange(GraphicsItemChange change, const QVariant &value) { if (change == QGraphicsItem::ItemPositionChange) { const QPointF& itemPos = value.toPointF();//item's center point in parent's coordinates; const qreal x = itemPos.x(); const qreal y = itemPos.y(); //calculate the new rect and forward the changes to the frontend QRectF newRect; const qreal w = rect.width(); const qreal h = rect.height(); newRect.setX(x-w/2); newRect.setY(y-h/2); newRect.setWidth(w); newRect.setHeight(h); emit q->rectChanged(newRect); } return QGraphicsItem::itemChange(change, value); } //############################################################################## //################################## Events ################################## //############################################################################## void CartesianPlotPrivate::mousePressEvent(QGraphicsSceneMouseEvent *event) { if (mouseMode == CartesianPlot::ZoomSelectionMode || mouseMode == CartesianPlot::ZoomXSelectionMode || mouseMode == CartesianPlot::ZoomYSelectionMode) { if (mouseMode == CartesianPlot::ZoomSelectionMode) m_selectionStart = event->pos(); else if (mouseMode == CartesianPlot::ZoomXSelectionMode) { m_selectionStart.setX(event->pos().x()); m_selectionStart.setY(dataRect.height()/2); } else if (mouseMode == CartesianPlot::ZoomYSelectionMode) { m_selectionStart.setX(-dataRect.width()/2); m_selectionStart.setY(event->pos().y()); } m_selectionEnd = m_selectionStart; m_selectionBandIsShown = true; } else { if (!locked && dataRect.contains(event->pos()) ){ panningStarted = true; m_panningStart = event->pos(); setCursor(Qt::ClosedHandCursor); } QGraphicsItem::mousePressEvent(event); } } void CartesianPlotPrivate::mouseMoveEvent(QGraphicsSceneMouseEvent* event) { if (mouseMode == CartesianPlot::SelectionMode) { if (panningStarted && dataRect.contains(event->pos()) ) { //don't retransform on small mouse movement deltas const int deltaXScene = (m_panningStart.x() - event->pos().x()); const int deltaYScene = (m_panningStart.y() - event->pos().y()); if (abs(deltaXScene) < 5 && abs(deltaYScene) < 5) return; const QPointF logicalEnd = cSystem->mapSceneToLogical(event->pos()); const QPointF logicalStart = cSystem->mapSceneToLogical(m_panningStart); const float deltaX = (logicalStart.x() - logicalEnd.x()); const float deltaY = (logicalStart.y() - logicalEnd.y()); xMax += deltaX; xMin += deltaX; yMax += deltaY; yMin += deltaY; retransformScales(); m_panningStart = event->pos(); } else QGraphicsItem::mouseMoveEvent(event); } else if (mouseMode == CartesianPlot::ZoomSelectionMode || mouseMode == CartesianPlot::ZoomXSelectionMode || mouseMode == CartesianPlot::ZoomYSelectionMode) { QGraphicsItem::mouseMoveEvent(event); if ( !boundingRect().contains(event->pos()) ) { q->info(QString()); return; } QString info; QPointF logicalStart = cSystem->mapSceneToLogical(m_selectionStart); if (mouseMode == CartesianPlot::ZoomSelectionMode) { m_selectionEnd = event->pos(); QPointF logicalEnd = cSystem->mapSceneToLogical(m_selectionEnd); if (xRangeFormat == CartesianPlot::Numeric) info = QString::fromUtf8("Δx=") + QString::number(logicalEnd.x()-logicalStart.x()); else info = i18n("from x=%1 to x=%2", QDateTime::fromMSecsSinceEpoch(logicalStart.x()).toString(xRangeDateTimeFormat), QDateTime::fromMSecsSinceEpoch(logicalEnd.x()).toString(xRangeDateTimeFormat)); info += QLatin1String(", "); if (yRangeFormat == CartesianPlot::Numeric) info += QString::fromUtf8("Δy=") + QString::number(logicalEnd.y()-logicalStart.y()); else info += i18n("from y=%1 to y=%2", QDateTime::fromMSecsSinceEpoch(logicalStart.y()).toString(xRangeDateTimeFormat), QDateTime::fromMSecsSinceEpoch(logicalEnd.y()).toString(xRangeDateTimeFormat)); } else if (mouseMode == CartesianPlot::ZoomXSelectionMode) { m_selectionEnd.setX(event->pos().x()); m_selectionEnd.setY(-dataRect.height()/2); QPointF logicalEnd = cSystem->mapSceneToLogical(m_selectionEnd); if (xRangeFormat == CartesianPlot::Numeric) info = QString::fromUtf8("Δx=") + QString::number(logicalEnd.x()-logicalStart.x()); else info = i18n("from x=%1 to x=%2", QDateTime::fromMSecsSinceEpoch(logicalStart.x()).toString(xRangeDateTimeFormat), QDateTime::fromMSecsSinceEpoch(logicalEnd.x()).toString(xRangeDateTimeFormat)); } else if (mouseMode == CartesianPlot::ZoomYSelectionMode) { m_selectionEnd.setX(dataRect.width()/2); m_selectionEnd.setY(event->pos().y()); QPointF logicalEnd = cSystem->mapSceneToLogical(m_selectionEnd); if (yRangeFormat == CartesianPlot::Numeric) info = QString::fromUtf8("Δy=") + QString::number(logicalEnd.y()-logicalStart.y()); else info = i18n("from y=%1 to y=%2", QDateTime::fromMSecsSinceEpoch(logicalStart.y()).toString(xRangeDateTimeFormat), QDateTime::fromMSecsSinceEpoch(logicalEnd.y()).toString(xRangeDateTimeFormat)); } q->info(info); update(); } } void CartesianPlotPrivate::mouseReleaseEvent(QGraphicsSceneMouseEvent* event) { setCursor(Qt::ArrowCursor); if (mouseMode == CartesianPlot::SelectionMode) { panningStarted = false; //TODO: why do we do this all the time?!?! const QPointF& itemPos = pos();//item's center point in parent's coordinates; const qreal x = itemPos.x(); const qreal y = itemPos.y(); //calculate the new rect and set it QRectF newRect; const qreal w = rect.width(); const qreal h = rect.height(); newRect.setX(x-w/2); newRect.setY(y-h/2); newRect.setWidth(w); newRect.setHeight(h); suppressRetransform = true; q->setRect(newRect); suppressRetransform = false; QGraphicsItem::mouseReleaseEvent(event); } else if (mouseMode == CartesianPlot::ZoomSelectionMode || mouseMode == CartesianPlot::ZoomXSelectionMode || mouseMode == CartesianPlot::ZoomYSelectionMode) { //don't zoom if very small region was selected, avoid occasional/unwanted zooming if ( qAbs(m_selectionEnd.x()-m_selectionStart.x()) < 20 || qAbs(m_selectionEnd.y()-m_selectionStart.y()) < 20 ) { m_selectionBandIsShown = false; return; } //determine the new plot ranges QPointF logicalZoomStart = cSystem->mapSceneToLogical(m_selectionStart, AbstractCoordinateSystem::SuppressPageClipping); QPointF logicalZoomEnd = cSystem->mapSceneToLogical(m_selectionEnd, AbstractCoordinateSystem::SuppressPageClipping); if (m_selectionEnd.x() > m_selectionStart.x()) { xMin = logicalZoomStart.x(); xMax = logicalZoomEnd.x(); } else { xMin = logicalZoomEnd.x(); xMax = logicalZoomStart.x(); } if (m_selectionEnd.y() > m_selectionStart.y()) { yMin = logicalZoomEnd.y(); yMax = logicalZoomStart.y(); } else { yMin = logicalZoomStart.y(); yMax = logicalZoomEnd.y(); } m_selectionBandIsShown = false; retransformScales(); } } void CartesianPlotPrivate::wheelEvent(QGraphicsSceneWheelEvent* event) { if (locked) return; //determine first, which axes are selected and zoom only in the corresponding direction. //zoom the entire plot if no axes selected. bool zoomX = false; bool zoomY = false; for (auto* axis : q->children()) { if (!axis->graphicsItem()->isSelected()) continue; if (axis->orientation() == Axis::AxisHorizontal) zoomX = true; else zoomY = true; } if (event->delta() > 0) { if (!zoomX && !zoomY) { //no special axis selected -> zoom in everything q->zoomIn(); } else { if (zoomX) q->zoomInX(); if (zoomY) q->zoomInY(); } } else { if (!zoomX && !zoomY) { //no special axis selected -> zoom in everything q->zoomOut(); } else { if (zoomX) q->zoomOutX(); if (zoomY) q->zoomOutY(); } } } void CartesianPlotPrivate::hoverMoveEvent(QGraphicsSceneHoverEvent* event) { QPointF point = event->pos(); QString info; if (dataRect.contains(point)) { QPointF logicalPoint = cSystem->mapSceneToLogical(point); if (mouseMode == CartesianPlot::ZoomSelectionMode && !m_selectionBandIsShown) { info = "x="; if (xRangeFormat == CartesianPlot::Numeric) info += QString::number(logicalPoint.x()); else info += QDateTime::fromMSecsSinceEpoch(logicalPoint.x()).toString(xRangeDateTimeFormat); info += ", y="; if (yRangeFormat == CartesianPlot::Numeric) info += QString::number(logicalPoint.y()); else info += QDateTime::fromMSecsSinceEpoch(logicalPoint.y()).toString(yRangeDateTimeFormat); } else if (mouseMode == CartesianPlot::ZoomXSelectionMode && !m_selectionBandIsShown) { QPointF p1(logicalPoint.x(), yMin); QPointF p2(logicalPoint.x(), yMax); m_selectionStartLine.setP1(cSystem->mapLogicalToScene(p1)); m_selectionStartLine.setP2(cSystem->mapLogicalToScene(p2)); info = "x="; if (xRangeFormat == CartesianPlot::Numeric) info += QString::number(logicalPoint.x()); else info += QDateTime::fromMSecsSinceEpoch(logicalPoint.x()).toString(xRangeDateTimeFormat); update(); } else if (mouseMode == CartesianPlot::ZoomYSelectionMode && !m_selectionBandIsShown) { QPointF p1(xMin, logicalPoint.y()); QPointF p2(xMax, logicalPoint.y()); m_selectionStartLine.setP1(cSystem->mapLogicalToScene(p1)); m_selectionStartLine.setP2(cSystem->mapLogicalToScene(p2)); info = "y="; if (yRangeFormat == CartesianPlot::Numeric) info += QString::number(logicalPoint.y()); else info += QDateTime::fromMSecsSinceEpoch(logicalPoint.y()).toString(yRangeDateTimeFormat); update(); } } q->info(info); QGraphicsItem::hoverMoveEvent(event); } void CartesianPlotPrivate::paint(QPainter* painter, const QStyleOptionGraphicsItem* option, QWidget* widget) { Q_UNUSED(option) Q_UNUSED(widget) if (!isVisible()) return; painter->setPen(QPen(Qt::black, 3)); if ((mouseMode == CartesianPlot::ZoomXSelectionMode || mouseMode == CartesianPlot::ZoomYSelectionMode) && (!m_selectionBandIsShown)) painter->drawLine(m_selectionStartLine); if (m_selectionBandIsShown) { painter->save(); painter->setPen(QPen(Qt::black, 5)); painter->drawRect(QRectF(m_selectionStart, m_selectionEnd)); painter->setBrush(Qt::blue); painter->setOpacity(0.2); painter->drawRect(QRectF(m_selectionStart, m_selectionEnd)); painter->restore(); } float penWidth = 6.; QRectF rect = q->m_plotArea->graphicsItem()->boundingRect(); rect = QRectF(-rect.width()/2 - penWidth / 2, -rect.height()/2 - penWidth / 2, rect.width() + penWidth, rect.height() + penWidth); if (m_hovered && !isSelected() && !m_printing) { painter->setPen(QPen(QApplication::palette().color(QPalette::Shadow), penWidth, Qt::SolidLine)); painter->drawRect(rect); } if (isSelected() && !m_printing) { painter->setPen(QPen(QApplication::palette().color(QPalette::Highlight), penWidth, Qt::SolidLine)); painter->drawRect(rect); } } //############################################################################## //################## Serialization/Deserialization ########################### //############################################################################## //! Save as XML void CartesianPlot::save(QXmlStreamWriter* writer) const { Q_D(const CartesianPlot); writer->writeStartElement( "cartesianPlot" ); writeBasicAttributes(writer); writeCommentElement(writer); //applied theme if (!d->theme.isEmpty()) { writer->writeStartElement( "theme" ); writer->writeAttribute("name", d->theme); writer->writeEndElement(); } //geometry writer->writeStartElement( "geometry" ); writer->writeAttribute( "x", QString::number(d->rect.x()) ); writer->writeAttribute( "y", QString::number(d->rect.y()) ); writer->writeAttribute( "width", QString::number(d->rect.width()) ); writer->writeAttribute( "height", QString::number(d->rect.height()) ); writer->writeAttribute( "visible", QString::number(d->isVisible()) ); writer->writeEndElement(); //coordinate system and padding writer->writeStartElement( "coordinateSystem" ); writer->writeAttribute( "autoScaleX", QString::number(d->autoScaleX) ); writer->writeAttribute( "autoScaleY", QString::number(d->autoScaleY) ); writer->writeAttribute( "xMin", QString::number(d->xMin, 'g', 16)); writer->writeAttribute( "xMax", QString::number(d->xMax, 'g', 16) ); writer->writeAttribute( "yMin", QString::number(d->yMin, 'g', 16) ); writer->writeAttribute( "yMax", QString::number(d->yMax, 'g', 16) ); writer->writeAttribute( "xScale", QString::number(d->xScale) ); writer->writeAttribute( "yScale", QString::number(d->yScale) ); writer->writeAttribute( "xRangeFormat", QString::number(d->xRangeFormat) ); writer->writeAttribute( "yRangeFormat", QString::number(d->yRangeFormat) ); writer->writeAttribute( "horizontalPadding", QString::number(d->horizontalPadding) ); writer->writeAttribute( "verticalPadding", QString::number(d->verticalPadding) ); writer->writeEndElement(); //x-scale breaks if (d->xRangeBreakingEnabled || !d->xRangeBreaks.list.isEmpty()) { writer->writeStartElement("xRangeBreaks"); writer->writeAttribute( "enabled", QString::number(d->xRangeBreakingEnabled) ); for (const auto& rb : d->xRangeBreaks.list) { writer->writeStartElement("xRangeBreak"); writer->writeAttribute("start", QString::number(rb.start)); writer->writeAttribute("end", QString::number(rb.end)); writer->writeAttribute("position", QString::number(rb.position)); writer->writeAttribute("style", QString::number(rb.style)); writer->writeEndElement(); } writer->writeEndElement(); } //y-scale breaks if (d->yRangeBreakingEnabled || !d->yRangeBreaks.list.isEmpty()) { writer->writeStartElement("yRangeBreaks"); writer->writeAttribute( "enabled", QString::number(d->yRangeBreakingEnabled) ); for (const auto& rb : d->yRangeBreaks.list) { writer->writeStartElement("yRangeBreak"); writer->writeAttribute("start", QString::number(rb.start)); writer->writeAttribute("end", QString::number(rb.end)); writer->writeAttribute("position", QString::number(rb.position)); writer->writeAttribute("style", QString::number(rb.style)); writer->writeEndElement(); } writer->writeEndElement(); } //serialize all children (plot area, title text label, axes and curves) for (auto* elem : children(IncludeHidden)) elem->save(writer); writer->writeEndElement(); // close "cartesianPlot" section } //! Load from XML bool CartesianPlot::load(XmlStreamReader* reader, bool preview) { Q_D(CartesianPlot); if (!readBasicAttributes(reader)) return false; KLocalizedString attributeWarning = ki18n("Attribute '%1' missing or empty, default value is used"); QXmlStreamAttributes attribs; QString str; bool titleLabelRead = false; while (!reader->atEnd()) { reader->readNext(); if (reader->isEndElement() && reader->name() == "cartesianPlot") break; if (!reader->isStartElement()) continue; if (reader->name() == "comment") { if (!readCommentElement(reader)) return false; } else if (!preview && reader->name() == "theme") { attribs = reader->attributes(); d->theme = attribs.value("name").toString(); } else if (!preview && reader->name() == "geometry") { attribs = reader->attributes(); str = attribs.value("x").toString(); if (str.isEmpty()) reader->raiseWarning(attributeWarning.subs("x").toString()); else d->rect.setX( str.toDouble() ); str = attribs.value("y").toString(); if (str.isEmpty()) reader->raiseWarning(attributeWarning.subs("y").toString()); else d->rect.setY( str.toDouble() ); str = attribs.value("width").toString(); if (str.isEmpty()) reader->raiseWarning(attributeWarning.subs("width").toString()); else d->rect.setWidth( str.toDouble() ); str = attribs.value("height").toString(); if (str.isEmpty()) reader->raiseWarning(attributeWarning.subs("height").toString()); else d->rect.setHeight( str.toDouble() ); str = attribs.value("visible").toString(); if (str.isEmpty()) reader->raiseWarning(attributeWarning.subs("visible").toString()); else d->setVisible(str.toInt()); } else if (!preview && reader->name() == "coordinateSystem") { attribs = reader->attributes(); READ_INT_VALUE("autoScaleX", autoScaleX, bool); READ_INT_VALUE("autoScaleY", autoScaleY, bool); str = attribs.value("xMin").toString(); if (str.isEmpty()) reader->raiseWarning(attributeWarning.subs("xMin").toString()); else { d->xMin = str.toDouble(); d->xMinPrev = d->xMin; } str = attribs.value("xMax").toString(); if (str.isEmpty()) reader->raiseWarning(attributeWarning.subs("xMax").toString()); else { d->xMax = str.toDouble(); d->xMaxPrev = d->xMax; } str = attribs.value("yMin").toString(); if (str.isEmpty()) reader->raiseWarning(attributeWarning.subs("yMin").toString()); else { d->yMin = str.toDouble(); d->yMinPrev = d->yMin; } str = attribs.value("yMax").toString(); if (str.isEmpty()) reader->raiseWarning(attributeWarning.subs("yMax").toString()); else { d->yMax = str.toDouble(); d->yMaxPrev = d->yMax; } READ_INT_VALUE("xScale", xScale, CartesianPlot::Scale); READ_INT_VALUE("yScale", yScale, CartesianPlot::Scale); READ_INT_VALUE("xRangeFormat", xRangeFormat, CartesianPlot::RangeFormat); READ_INT_VALUE("yRangeFormat", yRangeFormat, CartesianPlot::RangeFormat); READ_DOUBLE_VALUE("horizontalPadding", horizontalPadding); READ_DOUBLE_VALUE("verticalPadding", verticalPadding); } else if (!preview && reader->name() == "xRangeBreaks") { //delete default rang break d->xRangeBreaks.list.clear(); attribs = reader->attributes(); READ_INT_VALUE("enabled", xRangeBreakingEnabled, bool); } else if (!preview && reader->name() == "xRangeBreak") { attribs = reader->attributes(); RangeBreak b; str = attribs.value("start").toString(); if (str.isEmpty()) reader->raiseWarning(attributeWarning.subs("start").toString()); else b.start = str.toDouble(); str = attribs.value("end").toString(); if (str.isEmpty()) reader->raiseWarning(attributeWarning.subs("end").toString()); else b.end = str.toDouble(); str = attribs.value("position").toString(); if (str.isEmpty()) reader->raiseWarning(attributeWarning.subs("position").toString()); else b.position = str.toDouble(); str = attribs.value("style").toString(); if (str.isEmpty()) reader->raiseWarning(attributeWarning.subs("style").toString()); else b.style = CartesianPlot::RangeBreakStyle(str.toInt()); d->xRangeBreaks.list << b; } else if (!preview && reader->name() == "yRangeBreaks") { //delete default rang break d->yRangeBreaks.list.clear(); attribs = reader->attributes(); READ_INT_VALUE("enabled", yRangeBreakingEnabled, bool); } else if (!preview && reader->name() == "yRangeBreak") { attribs = reader->attributes(); RangeBreak b; str = attribs.value("start").toString(); if (str.isEmpty()) reader->raiseWarning(attributeWarning.subs("start").toString()); else b.start = str.toDouble(); str = attribs.value("end").toString(); if (str.isEmpty()) reader->raiseWarning(attributeWarning.subs("end").toString()); else b.end = str.toDouble(); str = attribs.value("position").toString(); if (str.isEmpty()) reader->raiseWarning(attributeWarning.subs("position").toString()); else b.position = str.toDouble(); str = attribs.value("style").toString(); if (str.isEmpty()) reader->raiseWarning(attributeWarning.subs("style").toString()); else b.style = CartesianPlot::RangeBreakStyle(str.toInt()); d->yRangeBreaks.list << b; } else if (reader->name() == "textLabel") { if (!titleLabelRead) { //the first text label is always the title label m_title->load(reader, preview); titleLabelRead = true; //TODO: the name is read in m_title->load() but we overwrite it here //since the old projects don't have this " - Title" appendix yet that we add in init(). //can be removed in couple of releases m_title->setName(name() + QLatin1String(" - ") + i18n("Title")); } else { TextLabel* label = new TextLabel("text label"); if (label->load(reader, preview)) { addChildFast(label); label->setParentGraphicsItem(graphicsItem()); } else { delete label; return false; } } } else if (reader->name() == "plotArea") m_plotArea->load(reader, preview); else if (reader->name() == "axis") { Axis* axis = new Axis(QString()); if (axis->load(reader, preview)) addChildFast(axis); else { delete axis; return false; } } else if (reader->name() == "xyCurve") { XYCurve* curve = new XYCurve(QString()); if (curve->load(reader, preview)) addChildFast(curve); else { removeChild(curve); return false; } } else if (reader->name() == "xyEquationCurve") { XYEquationCurve* curve = new XYEquationCurve(QString()); if (curve->load(reader, preview)) addChildFast(curve); else { removeChild(curve); return false; } } else if (reader->name() == "xyDataReductionCurve") { XYDataReductionCurve* curve = new XYDataReductionCurve(QString()); if (curve->load(reader, preview)) addChildFast(curve); else { removeChild(curve); return false; } } else if (reader->name() == "xyDifferentiationCurve") { XYDifferentiationCurve* curve = new XYDifferentiationCurve(QString()); if (curve->load(reader, preview)) addChildFast(curve); else { removeChild(curve); return false; } } else if (reader->name() == "xyIntegrationCurve") { XYIntegrationCurve* curve = new XYIntegrationCurve(QString()); if (curve->load(reader, preview)) addChildFast(curve); else { removeChild(curve); return false; } } else if (reader->name() == "xyInterpolationCurve") { XYInterpolationCurve* curve = new XYInterpolationCurve(QString()); if (curve->load(reader, preview)) addChildFast(curve); else { removeChild(curve); return false; } } else if (reader->name() == "xySmoothCurve") { XYSmoothCurve* curve = new XYSmoothCurve(QString()); if (curve->load(reader, preview)) addChildFast(curve); else { removeChild(curve); return false; } } else if (reader->name() == "xyFitCurve") { XYFitCurve* curve = new XYFitCurve(QString()); if (curve->load(reader, preview)) addChildFast(curve); else { removeChild(curve); return false; } } else if (reader->name() == "xyFourierFilterCurve") { XYFourierFilterCurve* curve = new XYFourierFilterCurve(QString()); if (curve->load(reader, preview)) addChildFast(curve); else { removeChild(curve); return false; } } else if (reader->name() == "xyFourierTransformCurve") { XYFourierTransformCurve* curve = new XYFourierTransformCurve(QString()); if (curve->load(reader, preview)) addChildFast(curve); else { removeChild(curve); return false; } } else if (reader->name() == "xyConvolutionCurve") { XYConvolutionCurve* curve = new XYConvolutionCurve(QString()); if (curve->load(reader, preview)) addChildFast(curve); else { removeChild(curve); return false; } } else if (reader->name() == "xyCorrelationCurve") { XYCorrelationCurve* curve = new XYCorrelationCurve(QString()); if (curve->load(reader, preview)) addChildFast(curve); else { removeChild(curve); return false; } } else if (reader->name() == "cartesianPlotLegend") { m_legend = new CartesianPlotLegend(this, QString()); if (m_legend->load(reader, preview)) addChildFast(m_legend); else { delete m_legend; return false; } } else if (reader->name() == "customPoint") { CustomPoint* point = new CustomPoint(this, QString()); if (point->load(reader, preview)) addChildFast(point); else { delete point; return false; } } else if (reader->name() == "Histogram") { Histogram* curve = new Histogram("Histogram"); if (curve->load(reader, preview)) addChildFast(curve); else { removeChild(curve); return false; } } else { // unknown element reader->raiseWarning(i18n("unknown cartesianPlot element '%1'", reader->name().toString())); if (!reader->skipToEndElement()) return false; } } if (preview) return true; d->retransform(); //if a theme was used, initialize the color palette if (!d->theme.isEmpty()) { //TODO: check whether the theme config really exists KConfig config( ThemeHandler::themeFilePath(d->theme), KConfig::SimpleConfig ); this->setColorPalette(config); } else { //initialize the color palette with default colors this->setColorPalette(KConfig()); } return true; } //############################################################################## //######################### Theme management ################################## //############################################################################## void CartesianPlot::loadTheme(const QString& theme) { KConfig config(ThemeHandler::themeFilePath(theme), KConfig::SimpleConfig); loadThemeConfig(config); } void CartesianPlot::loadThemeConfig(const KConfig& config) { QString str = config.name(); // theme path is saved with UNIX dir separator str = str.right(str.length() - str.lastIndexOf(QLatin1Char('/')) - 1); DEBUG(" set theme to " << str.toStdString()); this->setTheme(str); //load the color palettes for the curves this->setColorPalette(config); //load the theme for all the children for (auto* child : children(AbstractAspect::IncludeHidden)) child->loadThemeConfig(config); Q_D(CartesianPlot); d->update(this->rect()); } void CartesianPlot::saveTheme(KConfig &config) { const QVector& axisElements = children(AbstractAspect::IncludeHidden); const QVector& plotAreaElements = children(AbstractAspect::IncludeHidden); const QVector& textLabelElements = children(AbstractAspect::IncludeHidden); axisElements.at(0)->saveThemeConfig(config); plotAreaElements.at(0)->saveThemeConfig(config); textLabelElements.at(0)->saveThemeConfig(config); for (auto *child : children(AbstractAspect::IncludeHidden)) child->saveThemeConfig(config); } //Generating colors from 5-color theme palette void CartesianPlot::setColorPalette(const KConfig& config) { if (config.hasGroup(QLatin1String("Theme"))) { KConfigGroup group = config.group(QLatin1String("Theme")); //read the five colors defining the palette m_themeColorPalette.clear(); m_themeColorPalette.append(group.readEntry("ThemePaletteColor1", QColor())); m_themeColorPalette.append(group.readEntry("ThemePaletteColor2", QColor())); m_themeColorPalette.append(group.readEntry("ThemePaletteColor3", QColor())); m_themeColorPalette.append(group.readEntry("ThemePaletteColor4", QColor())); m_themeColorPalette.append(group.readEntry("ThemePaletteColor5", QColor())); } else { //no theme is available, provide 5 "default colors" m_themeColorPalette.clear(); m_themeColorPalette.append(QColor(25, 25, 25)); m_themeColorPalette.append(QColor(0, 0, 127)); m_themeColorPalette.append(QColor(127 ,0, 0)); m_themeColorPalette.append(QColor(0, 127, 0)); m_themeColorPalette.append(QColor(85, 0, 127)); } //generate 30 additional shades if the color palette contains more than one color if (m_themeColorPalette.at(0) != m_themeColorPalette.at(1)) { QColor c; //3 factors to create shades from theme's palette float fac[3] = {0.25f,0.45f,0.65f}; //Generate 15 lighter shades for (int i = 0; i < 5; i++) { for (int j = 1; j < 4; j++) { c.setRed( m_themeColorPalette.at(i).red()*(1-fac[j-1]) ); c.setGreen( m_themeColorPalette.at(i).green()*(1-fac[j-1]) ); c.setBlue( m_themeColorPalette.at(i).blue()*(1-fac[j-1]) ); m_themeColorPalette.append(c); } } //Generate 15 darker shades for (int i = 0; i < 5; i++) { for (int j = 4; j < 7; j++) { c.setRed( m_themeColorPalette.at(i).red()+((255-m_themeColorPalette.at(i).red())*fac[j-4]) ); c.setGreen( m_themeColorPalette.at(i).green()+((255-m_themeColorPalette.at(i).green())*fac[j-4]) ); c.setBlue( m_themeColorPalette.at(i).blue()+((255-m_themeColorPalette.at(i).blue())*fac[j-4]) ); m_themeColorPalette.append(c); } } } } const QList& CartesianPlot::themeColorPalette() const { return m_themeColorPalette; }