54 lines
1.7 KiB
C++
54 lines
1.7 KiB
C++
// SPDX-FileCopyrightText: 2025 Filip Leonarski, Paul Scherrer Institute <filip.leonarski@psi.ch>
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// SPDX-License-Identifier: GPL-3.0-only
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#include "JFJochSimpleChartView.h"
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#include <QMenu>
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#include <QClipboard>
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#include <QApplication>
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JFJochSimpleChartView::JFJochSimpleChartView(QWidget *parent)
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: QChartView(new QChart(), parent) {
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chart()->legend()->hide();
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setFixedHeight(200);
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setRenderHint(QPainter::Antialiasing);
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//setRubberBand(QChartView::RubberBand::HorizontalRubberBand);
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}
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void JFJochSimpleChartView::UpdateData(const std::vector<float> &in_x, const std::vector<float> &in_y) {
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x = in_x;
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y = in_y;
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chart()->removeAllSeries();
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if (!x.empty() && x.size() == y.size()) {
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series = new QLineSeries(this);
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for (int i = 0; i < x.size(); i++)
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series->append(x[i], in_y[i]);
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chart()->addSeries(series);
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chart()->createDefaultAxes();
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}
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}
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void JFJochSimpleChartView::ClearData() {
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chart()->removeAllSeries();
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}
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void JFJochSimpleChartView::contextMenuEvent(QContextMenuEvent *event) {
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QMenu menu(this);
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QAction *copyXY = menu.addAction("Copy (x y) points");
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copyXY->setEnabled(!x.empty() && x.size() == y.size());
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QAction *chosen = menu.exec(event->globalPos());
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if (chosen == copyXY) {
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QString out;
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out.reserve(static_cast<int>(x.size() * 16)); // rough prealloc
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for (size_t i = 0; i < x.size() && i < y.size(); ++i) {
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out.append(QString::number(x[i], 'g', 10));
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out.append(' ');
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out.append(QString::number(y[i], 'g', 10));
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if (i + 1 < x.size()) out.append('\n');
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}
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QClipboard *cb = QApplication::clipboard();
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cb->setText(out);
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}
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}
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