Signals

AZPlottingClass emits Qt signals for various user interactions.

Mouse Signals

Signal	Description
mouseMove(double x, double y)	Mouse moved over plot area
mouseClick(double x, double y, Qt::MouseButton)	Mouse click on plot
mouseDoubleClick(double x, double y)	Double-click on plot
selectionChanged()	Selection rectangle changed

Data Signals

Signal	Description
dataPointSelected(int series, int index)	Data point clicked
rangeChanged(QCPRange xRange, QCPRange yRange)	View range changed
legendClick(int seriesId)	Legend item clicked

Usage Example

connect(plot, &AZPlottingClass::mouseMove, [](double x, double y) {
    qDebug() << "Mouse at:" << x << y;
});

connect(plot, &AZPlottingClass::dataPointSelected, 
    [](int series, int index) {
        qDebug() << "Selected point" << index << "in series" << series;
    });