JSplitPane's divider bar click event

Question

Hi all,
I have a JSplitPane like this
sp = new JSplitPane(JSplitPane.HORIZONTAL_SPLIT, canvas, myPanel);
At runtime, when user CLICK on the divider bar (but doesn't drag), the canvas on the left panel is not repainted.
Would you please let me know how I can catch the event when user clicks on the divider bar. (When user drag, I may detect by method ancestorMoved in AncestorListener).
Thank you,
Fanta

Answer 1

I don't know if there is an easier way, but you can add your own MouseListener to the splitpane divider like so:
    JSplitPane split = new JSplitPane();
    BasicSplitPaneUI paneUi = (BasicSplitPaneUI)split.getUI();
    paneUi.getDivider().addMouseListener(new MouseAdapter() {
        public void mousePressed(MouseEvent e) {
            System.out.println("Mouse was clicked");
    });