Method bindEditorToPlot

pj_app/src/MainWindow.cpp:4030–4058

}

void MainWindow::bindEditorToPlot(PlotWidget* plot) {
  if (curve_editor_ != nullptr) {
    curve_editor_->setPlot(plot);
  }
  // The width/style buttons act on the editor's plot, so keep them
  // visibly disabled when there is none to act on.
  const bool enable = plot != nullptr;
  // Style/width are plot-level, so the toolbar must reflect the plot we just
  // bound to (not the last button clicked). The group ids are the LineWidth
  // index / CurveStyle enum value. Resync happens on every active-plot change;
  // an in-place state swap on the focused plot (xmlLoadState / paste) is not
  // covered, since the bound plot does not change there.
  if (width_button_group_ != nullptr) {
    for (auto* btn : width_button_group_->buttons()) {
      btn->setEnabled(enable);
    }
    if (plot != nullptr) {
      checkGroupButton(width_button_group_, static_cast<int>(plot->lineWidth()));
    }
  }
  if (style_button_group_ != nullptr) {
    for (auto* btn : style_button_group_->buttons()) {
      btn->setEnabled(enable);
    }
    if (plot != nullptr) {
      checkGroupButton(style_button_group_, static_cast<int>(plot->defaultCurveStyle()));
    }
  }
}

PlotWidget* MainWindow::firstPlotOfActiveTab() const {
  auto* docker = ui_->tabbedPlotWidget->currentTab();