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private static final boolean DEBUG = Debug.debug("GDI");
private static final String dummyWindowClassNameBase = "_dummyWindow_clazz" ;
private static RegisteredClassFactory dummyWindowClassFactory;
private static boolean isInit = false;
private static native boolean initIDs0();
private static native long getDummyWndProc0();
public static synchronized void initSingleton(boolean firstX11ActionOnProcess) {
if(!isInit) {
NWJNILibLoader.loadNativeWindow("win32");
if( !initIDs0() ) {
throw new NativeWindowException("GDI: Could not initialized native stub");
}
if(DEBUG) {
System.out.println("GDI.isFirstX11ActionOnProcess: "+firstX11ActionOnProcess);
}
dummyWindowClassFactory = new RegisteredClassFactory(dummyWindowClassNameBase, getDummyWndProc0());
isInit = true;
}
}
public static boolean requiresToolkitLock() { return false; }
private static RegisteredClass dummyWindowClass = null;
private static Object dummyWindowSync = new Object();
public static long CreateDummyWindow(int x, int y, int width, int height) {
synchronized(dummyWindowSync) {
dummyWindowClass = dummyWindowClassFactory.getSharedClass();
return CreateDummyWindow0(dummyWindowClass.getHandle(), dummyWindowClass.getName(), dummyWindowClass.getName(), x, y, width, height);
}
}
public static boolean DestroyDummyWindow(long hwnd) {
boolean res;
synchronized(dummyWindowSync) {
if( null == dummyWindowClass ) {
throw new InternalError("GDI Error ("+dummyWindowClassFactory.getSharedRefCount()+"): SharedClass is null");
}
res = DestroyWindow(hwnd);
dummyWindowClassFactory.releaseSharedClass();
}
return res;
}
public static Point GetRelativeLocation(long src_win, long dest_win, int src_x, int src_y) {
return (Point) GetRelativeLocation0(src_win, dest_win, src_x, src_y);
}
private static native Object GetRelativeLocation0(long src_win, long dest_win, int src_x, int src_y);
public static native boolean CreateWindowClass(long hInstance, String clazzName, long wndProc);
public static native boolean DestroyWindowClass(long hInstance, String className);
static native long CreateDummyWindow0(long hInstance, String className, String windowName, int x, int y, int width, int height);
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