/** 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;
}
