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add button to reset zoom/pan of chart viewer

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This commit is contained in:
Axel Kohlmeyer
2023-10-03 22:36:00 -04:00
parent a3c843f590
commit ed631ecd44
2 changed files with 42 additions and 1 deletions
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40
tools/lammps-gui/chartviewer.cpp
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@ -17,6 +17,7 @@
#include <QHBoxLayout>
#include <QLineSeries>
#include <QPushButton>
#include <QSettings>
#include <QSpacerItem>
#include <QVBoxLayout>
@ -30,9 +31,17 @@ ChartWindow::ChartWindow(const QString &_filename, QWidget *parent) :
menu->addMenu(file);
menu->setSizePolicy(QSizePolicy::Minimum, QSizePolicy::Preferred);
// workaround for incorrect highlight bug on macOS
auto *dummy = new QPushButton(QIcon(), "");
dummy->hide();
auto *normal = new QPushButton(QIcon(":/icons/gtk-zoom-fit.png"), "");
normal->setToolTip("Reset zoom to normal");
columns = new QComboBox;
top->addWidget(menu);
top->addSpacerItem(new QSpacerItem(1, 1, QSizePolicy::Expanding, QSizePolicy::Minimum));
top->addWidget(dummy);
top->addWidget(normal);
top->addWidget(new QLabel("Select data:"));
top->addWidget(columns);
saveAsAct = file->addAction("&Save Graph As...", this, &ChartWindow::saveAs);
@ -44,9 +53,10 @@ ChartWindow::ChartWindow(const QString &_filename, QWidget *parent) :
file->addSeparator();
stopAct = file->addAction("Stop &Run", this, &ChartWindow::stop_run);
stopAct->setIcon(QIcon(":/icons/process-stop.png"));
stopAct->setShortcut(QKeySequence(Qt::Key_Slash, Qt::CTRL));
stopAct->setShortcut(QKeySequence::fromString("Ctrl+/"));
closeAct = file->addAction("&Close", this, &QWidget::close);
closeAct->setIcon(QIcon(":/icons/window-close.png"));
closeAct->setShortcut(QKeySequence::fromString("Ctrl+W"));
quitAct = file->addAction("&Quit", this, &ChartWindow::quit);
quitAct->setIcon(QIcon(":/icons/application-exit.png"));
quitAct->setShortcut(QKeySequence::fromString("Ctrl+Q"));
@ -54,6 +64,8 @@ ChartWindow::ChartWindow(const QString &_filename, QWidget *parent) :
layout->addLayout(top);
setLayout(layout);
connect(normal, &QPushButton::released, this, &ChartWindow::reset_zoom);
connect(columns, SIGNAL(currentIndexChanged(int)), this, SLOT(change_chart(int)));
QSettings settings;
resize(settings.value("chartx", 500).toInt(), settings.value("charty", 320).toInt());
@ -108,6 +120,12 @@ void ChartWindow::quit()
main->quit();
}
void ChartWindow::reset_zoom()
{
int choice = columns->currentData().toInt();
charts[choice]->reset_zoom();
}
void ChartWindow::stop_run()
{
LammpsGui *main;
@ -266,6 +284,26 @@ void ChartViewer::add_data(int step, double data)
}
}
/* -------------------------------------------------------------------- */
void ChartViewer::reset_zoom()
{
auto points = series->pointsVector();
qreal xmin = 1.0e100;
qreal xmax = -1.0e100;
qreal ymin = 1.0e100;
qreal ymax = -1.0e100;
for (auto &p : points) {
xmin = qMin(xmin, p.x());
xmax = qMax(xmax, p.x());
ymin = qMin(ymin, p.y());
ymax = qMax(ymax, p.y());
}
xaxis->setRange(xmin, xmax);
yaxis->setRange(ymin, ymax);
}
// Local Variables:
// c-basic-offset: 4
// End: