/** Returns a created or reused named display. */
public static long openDisplay(String name) {
long dpy = 0;
NamedDisplay namedDpy = null;
name = validateDisplayName(name);
boolean reused = false;
synchronized (globalLock) {
for (int i = 0; i < reusableDisplayList.size(); i++) {
if (reusableDisplayList.get(i).getName().equals(name)) {
namedDpy = reusableDisplayList.remove(i);
dpy = namedDpy.getHandle();
reused = true;
break;
}
}
if (0 == dpy) {
dpy = XOpenDisplay(name);
if (0 == dpy) {
throw new NativeWindowException(
"X11Util.Display: Unable to create a display("
+ name
+ ") connection. Thread "
+ Thread.currentThread().getName());
}
// if you like to debug and synchronize X11 commands ..
// setSynchronizeDisplay(dpy, true);
namedDpy = new NamedDisplay(name, dpy);
pendingDisplayList.add(namedDpy);
}
namedDpy.addRef();
openDisplayMap.put(dpy, namedDpy);
openDisplayList.add(namedDpy);
if (markAllDisplaysUnclosable) {
namedDpy.setUncloseable(true);
}
}
if (DEBUG) {
System.err.println(
"X11Util.Display: openDisplay [reuse "
+ reused
+ "] "
+ namedDpy
+ ". Thread "
+ Thread.currentThread().getName());
// Thread.dumpStack();
}
return namedDpy.getHandle();
}
