/** Returns the supported cursor size */ static Dimension getBestCursorSize(int preferredWidth, int preferredHeight) { // Fix for bug 4212593 The Toolkit.createCustomCursor does not // check absence of the image of cursor // We use XQueryBestCursor which accepts unsigned ints to obtain // the largest cursor size that could be dislpayed // Dimension d = new Dimension(Math.abs(preferredWidth), Math.abs(preferredHeight)); Dimension d; XToolkit.awtLock(); try { long display = XToolkit.getDisplay(); long root_window = XlibWrapper.RootWindow(display, XlibWrapper.DefaultScreen(display)); XlibWrapper.XQueryBestCursor( display, root_window, Math.abs(preferredWidth), Math.abs(preferredHeight), XlibWrapper.larg1, XlibWrapper.larg2); d = new Dimension( XlibWrapper.unsafe.getInt(XlibWrapper.larg1), XlibWrapper.unsafe.getInt(XlibWrapper.larg2)); } finally { XToolkit.awtUnlock(); } return d; }