First implementation of SpecularDataWidget

(copy of HistogramPlot for now)

GUI/coregui/CMakeLists.txt

@@ -38,6 +38,7 @@ set(include_dirs
     ${CMAKE_CURRENT_SOURCE_DIR}/Views/AccordionWidget
     ${CMAKE_CURRENT_SOURCE_DIR}/Views/ImportDataWidgets
     ${CMAKE_CURRENT_SOURCE_DIR}/Views/CommonWidgets
+    ${CMAKE_CURRENT_SOURCE_DIR}/Views/SpecularDataWidgets
 )
 
 if(BORNAGAIN_OPENGL)

GUI/coregui/Views/SpecularDataWidgets/SpecularDataWidget.cpp

+// ************************************************************************** //
+//
+//  BornAgain: simulate and fit scattering at grazing incidence
+//
+//! @file      GUI/coregui/Views/SpecularDataWidgets/SpecularDataWidget.cpp
+//! @brief     Implements class SpecularDataWidget
+//!
+//! @homepage  http://www.bornagainproject.org
+//! @license   GNU General Public License v3 or higher (see COPYING)
+//! @copyright Forschungszentrum Jülich GmbH 2018
+//! @authors   Scientific Computing Group at MLZ (see CITATION, AUTHORS)
+//
+// ************************************************************************** //
+
+#include "ColorMapUtils.h"
+#include "SpecularDataWidget.h"
+#include "SpecularDataItem.h"
+#include "plot_constants.h"
+
+SpecularDataWidget::SpecularDataWidget(QWidget* parent)
+    : QWidget(parent), m_customPlot(new QCustomPlot)
+
+{
+    QVBoxLayout* vlayout = new QVBoxLayout(this);
+    vlayout->setMargin(0);
+    vlayout->setSpacing(0);
+    vlayout->setContentsMargins(0, 0, 0, 0);
+    vlayout->addWidget(m_customPlot);
+    setLayout(vlayout);
+    setStyleSheet("background-color:white;");
+
+    initGraph();
+
+    m_customPlot->xAxis->setTickLabelFont(QFont(QFont().family(), Constants::plot_tick_label_size));
+    m_customPlot->yAxis->setTickLabelFont(QFont(QFont().family(), Constants::plot_tick_label_size));
+
+    ColorMapUtils::setLogz(m_customPlot->yAxis, true);
+
+    m_customPlot->xAxis->setLabel("iteration");
+    m_customPlot->yAxis->setLabel("chi2");
+
+    m_customPlot->xAxis->setLabelFont(QFont(QFont().family(), Constants::plot_axes_label_size));
+    m_customPlot->yAxis->setLabelFont(QFont(QFont().family(), Constants::plot_axes_label_size));
+}
+
+void SpecularDataWidget::setData(SpecularDataItem* data_item)
+{
+    m_data_item = data_item;
+    initGraphFromItem();
+}
+
+void SpecularDataWidget::clearData()
+{
+    m_customPlot->removeGraph(m_customPlot->graph());
+    initGraph();
+    m_customPlot->replot();
+}
+
+void SpecularDataWidget::initGraph()
+{
+    m_customPlot->addGraph();
+
+    QPen pen(QColor(0, 0, 255, 200));
+    m_customPlot->graph()->setLineStyle(QCPGraph::lsLine);
+    m_customPlot->graph()->setPen(pen);
+
+    QFontMetrics fontMetric(font());
+    auto em = fontMetric.width('M'), fontAscent = fontMetric.ascent();
+    auto* axisRectangle = m_customPlot->axisRect();
+    axisRectangle->setAutoMargins(QCP::msTop | QCP::msBottom);
+    axisRectangle->setMargins(QMargins(em*4, fontAscent*2, em*2, fontAscent*2));
+}
+
+void SpecularDataWidget::initGraphFromItem()
+{
+    const auto underlying_data = intensityData()->getOutputData();
+    for (size_t i = 0, size = underlying_data->getAllocatedSize(); i < size; ++i) {
+        double x = underlying_data->getAxisValue(i, 0);
+        double y = underlying_data->operator[](i);
+        m_customPlot->graph()->addData(x, y);
+    }
+}

GUI/coregui/Views/SpecularDataWidgets/SpecularDataWidget.h

+// ************************************************************************** //
+//
+//  BornAgain: simulate and fit scattering at grazing incidence
+//
+//! @file      GUI/coregui/Views/SpecularDataWidgets/SpecularDataWidget.h
+//! @brief     Defines class SpecularDataWidget
+//!
+//! @homepage  http://www.bornagainproject.org
+//! @license   GNU General Public License v3 or higher (see COPYING)
+//! @copyright Forschungszentrum Jülich GmbH 2018
+//! @authors   Scientific Computing Group at MLZ (see CITATION, AUTHORS)
+//
+// ************************************************************************** //
+
+#ifndef SPECULARDATAWIDGET_H
+#define SPECULARDATAWIDGET_H
+
+#include "WinDllMacros.h"
+#include "qcustomplot.h"
+#include <QWidget>
+
+class SpecularDataItem;
+
+class BA_CORE_API_ SpecularDataWidget : public QWidget
+{
+    Q_OBJECT
+public:
+    explicit SpecularDataWidget(QWidget* parent = nullptr);
+
+public slots:
+    void setData(SpecularDataItem* data_item);
+    void clearData();
+
+private:
+    void initGraph();
+    void initGraphFromItem();
+    SpecularDataItem* intensityData() {return m_data_item;}
+
+    QCustomPlot* m_customPlot;
+    SpecularDataItem* m_data_item;
+};
+
+#endif // SPECULARDATAWIDGET_H