public void showBusyCursor(boolean showBusyCursor) {
		Cursor currentCursor = getCursor();
		if (showBusyCursor) {
			if (currentCursor.equals(BUSY_CURSOR)) {
				return; // already showing busy
			}

			nonBusyCursor = currentCursor;
			setCursor(BUSY_CURSOR);
		}
		else {
			if (!currentCursor.equals(BUSY_CURSOR)) {
				return; // already showing busy
			}

			setCursor(nonBusyCursor);
		}
	}
Returns true if this glass pane is blocking user input.
@return true if this glass pane is blocking user input.
Ghidra/Framework/Gui/src/main/java/ghidra/util/bean/GGlassPane.java