JPopupMenu is not displayed on right click

二次信任 提交于 2019-12-01 14:03:12

From Java Doc : isPopupTrigger()

Popup menus are triggered differently on different systems. Therefore, isPopupTrigger should be checked in both mousePressed and mouseReleased for proper cross-platform functionality.

Instead of mouseClicked() add below two methods:

public void mousePressed(MouseEvent e) {
        if(e.isPopupTrigger())  
            popup.show(frame,e.getX(),e.getY());
    }

    public void mouseReleased(MouseEvent e) {
        if(e.isPopupTrigger())  
            popup.show(frame,e.getX(),e.getY());
    }
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