/** * The following code is a trick! By default Swing uses lightweight and "medium" weight popups to * show JPopupMenu. The code below force the creation of real heavyweight menus - this increases * speed of popups and allows to get rid of some drawing artifacts. */ private static void fixPopupWeight() { int popupWeight = OurPopupFactory.WEIGHT_MEDIUM; String property = System.getProperty("idea.popup.weight"); if (property != null) property = property.toLowerCase(Locale.ENGLISH).trim(); if (SystemInfo.isMacOSLeopard) { // force heavy weight popups under Leopard, otherwise they don't have shadow or any kind of // border. popupWeight = OurPopupFactory.WEIGHT_HEAVY; } else if (property == null) { // use defaults if popup weight isn't specified if (SystemInfo.isWindows) { popupWeight = OurPopupFactory.WEIGHT_HEAVY; } } else { if ("light".equals(property)) { popupWeight = OurPopupFactory.WEIGHT_LIGHT; } else if ("medium".equals(property)) { popupWeight = OurPopupFactory.WEIGHT_MEDIUM; } else if ("heavy".equals(property)) { popupWeight = OurPopupFactory.WEIGHT_HEAVY; } else { LOG.error("Illegal value of property \"idea.popup.weight\": " + property); } } PopupFactory factory = PopupFactory.getSharedInstance(); if (!(factory instanceof OurPopupFactory)) { factory = new OurPopupFactory(factory); PopupFactory.setSharedInstance(factory); } PopupUtil.setPopupType(factory, popupWeight); }
@Override public Popup getPopup(final Component owner, final Component contents, final int x, final int y) throws IllegalArgumentException { final Point point = fixPopupLocation(contents, x, y); final int popupType = UIUtil.isUnderGTKLookAndFeel() ? WEIGHT_HEAVY : PopupUtil.getPopupType(this); if (popupType >= 0) { PopupUtil.setPopupType(myDelegate, popupType); } final Popup popup = myDelegate.getPopup(owner, contents, point.x, point.y); fixPopupSize(popup, contents); return popup; }