@Override
			public void componentShown(ComponentEvent e) {
				boolean previousState = enabled;
				enabled = flowArrowPanel.getWidth() > LEFT_OFFSET;
				if (enabled && !previousState) {
					updateAndRepaint();
				}
			}
Those arrows that start at the current address
Ghidra/Features/Base/src/main/java/ghidra/app/plugin/core/flowarrow/FlowArrowPlugin.java