Method paintComponent

app/src/processing/app/ui/MarkerColumn.java:94–114

(Graphics g)

  @Override
  public void paintComponent(Graphics g) {
    PdeTextArea pta = editor.getPdeTextArea();
    if (pta != null) {
      g.drawImage(pta.getGutterGradient(),
                  0, 0, getWidth(), getHeight(), this);
    }

    int currentTabIndex = editor.getSketch().getCurrentCodeIndex();

    for (LineMarker m : errorPoints) {
      Problem problem = m.problem;
      if (problem.getTabIndex() != currentTabIndex) continue;
      if (problem.isError()) {
        g.setColor(errorColor);
      } else {
        g.setColor(warningColor);
      }
      g.drawLine(2, m.y, getWidth() - 2, m.y);
    }
  }


  public void updateErrorPoints(final List<Problem> problems) {