Misc: Add commented-out NEWT X11/XCB-Event and X11ScreenRandR1[13] compilation ; ...

Adding [dead] native source files for NEWT/X11:
  - X11Event and XCBEvent
  - X11ScreenRandR11 X11ScreenRandR13

They are currently excluded from compilation, however I like do version them for later use.

7 files changed, 1347 insertions, 1 deletions

diff --git a/src/jogl/classes/com/jogamp/opengl/swt/GLCanvas.java b/src/jogl/classes/com/jogamp/opengl/swt/GLCanvas.java
index 6fec18470..06114431a 100644
--- a/src/jogl/classes/com/jogamp/opengl/swt/GLCanvas.java
+++ b/src/jogl/classes/com/jogamp/opengl/swt/GLCanvas.java
@@ -288,7 +288,7 @@ public class GLCanvas extends Canvas implements GLAutoDrawable {
       clientArea = GLCanvas.this.getClientArea();
 
       /* Get the nativewindow-Graphics Device associated with this control (which is determined by the parent Composite). 
-       * Note: SWT is owner of the native handle, hence no closing operation will be a NOP. */
+       * Note: SWT is owner of the native handle, hence closing operation will be a NOP. */
       device = SWTAccessor.getDevice(this);
 
       /* Select default GLCapabilities if none was provided, otherwise clone provided caps to ensure safety */
diff --git a/src/newt/native/X11Event.c b/src/newt/native/X11Event.c
new file mode 100644
index 000000000..5402ffe34
--- /dev/null
+++ b/src/newt/native/X11Event.c
@@ -0,0 +1,312 @@
+
+#include "X11Event.h"
+
+void X11EventPoll(JNIEnv *env, jobject obj, Display *dpy, jlong javaObjectAtom, jlong windowDeleteAtom) {
+    Atom wm_delete_atom = (Atom)windowDeleteAtom;
+    int num_events = 100;
+    int autoRepeatModifiers = 0;
+
+    if ( NULL == dpy ) {
+        return;
+    }
+
+    // Periodically take a break
+    while( num_events > 0 ) {
+        jobject jwindow = NULL;
+        XEvent evt;
+        KeySym keySym = 0;
+        jint modifiers = 0;
+        char keyChar = 0;
+        char text[255];
+
+        // XEventsQueued(dpy, X):
+        //   QueuedAlready    == XQLength(): No I/O Flush or system call  doesn't work on some cards (eg ATI) ?) 
+        //   QueuedAfterFlush == XPending(): I/O Flush only if no already queued events are available
+        //   QueuedAfterReading            : QueuedAlready + if queue==0, attempt to read more ..
+        // if ( 0 >= XPending(dpy) ) 
+        if ( 0 >= XEventsQueued(dpy, QueuedAfterFlush) )
+        {
+            // DBG_PRINT( "X11: DispatchMessages 0x%X - Leave 1\n", dpy); 
+            return;
+        }
+
+        XNextEvent(dpy, &evt);
+        num_events--;
+
+        if( 0==evt.xany.window ) {
+            NewtCommon_throwNewRuntimeException(env, "event window NULL, bail out!");
+            return ;
+        }
+
+        if(dpy!=evt.xany.display) {
+            NewtCommon_throwNewRuntimeException(env, "wrong display, bail out!");
+            return ;
+        }
+
+        // DBG_PRINT( "X11: DispatchMessages dpy %p, win %p, Event %d\n", (void*)dpy, (void*)evt.xany.window, (int)evt.type);
+
+        jwindow = getJavaWindowProperty(env, dpy, evt.xany.window, javaObjectAtom,
+        #ifdef VERBOSE_ON
+                True
+        #else
+                False
+        #endif
+            );
+
+        if(NULL==jwindow) {
+            fprintf(stderr, "Warning: NEWT X11 DisplayDispatch %p, Couldn't handle event %d for X11 window %p\n", 
+                (void*)dpy, evt.type, (void*)evt.xany.window);
+            continue;
+        }
+ 
+        switch(evt.type) {
+            case KeyRelease:
+                if (XEventsQueued(dpy, QueuedAfterReading)) {
+                  XEvent nevt;
+                  XPeekEvent(dpy, &nevt);
+
+                  if (nevt.type == KeyPress && nevt.xkey.time == evt.xkey.time &&
+                      nevt.xkey.keycode == evt.xkey.keycode)
+                  {
+                    autoRepeatModifiers |= EVENT_AUTOREPEAT_MASK;
+                  } else {
+                    autoRepeatModifiers &= ~EVENT_AUTOREPEAT_MASK;
+                  }
+                }
+                // fall through intended
+            case KeyPress:
+                if(XLookupString(&evt.xkey,text,255,&keySym,0)==1) {
+                    KeySym lower_return = 0, upper_return = 0;
+                    keyChar=text[0];
+                    XConvertCase(keySym, &lower_return, &upper_return);
+                    // always return upper case, set modifier masks (SHIFT, ..)
+                    keySym = X11KeySym2NewtVKey(upper_return);
+                } else {
+                    keyChar=0;
+                    keySym = X11KeySym2NewtVKey(keySym);
+                }
+                modifiers |= X11InputState2NewtModifiers(evt.xkey.state) | autoRepeatModifiers;
+                break;
+
+            case ButtonPress:
+            case ButtonRelease:
+            case MotionNotify:
+                modifiers |= X11InputState2NewtModifiers(evt.xbutton.state);
+                break;
+
+            default:
+                break;
+        }
+
+        switch(evt.type) {
+            case ButtonPress:
+                (*env)->CallVoidMethod(env, jwindow, requestFocusID, JNI_FALSE);
+                #ifdef USE_SENDIO_DIRECT
+                (*env)->CallVoidMethod(env, jwindow, sendMouseEventID, (jint) EVENT_MOUSE_PRESSED, 
+                                      modifiers,
+                                      (jint) evt.xbutton.x, (jint) evt.xbutton.y, (jint) evt.xbutton.button, 0 /*rotation*/);
+                #else
+                (*env)->CallVoidMethod(env, jwindow, enqueueMouseEventID, JNI_FALSE, (jint) EVENT_MOUSE_PRESSED, 
+                                      modifiers,
+                                      (jint) evt.xbutton.x, (jint) evt.xbutton.y, (jint) evt.xbutton.button, 0 /*rotation*/);
+                #endif
+                break;
+            case ButtonRelease:
+                #ifdef USE_SENDIO_DIRECT
+                (*env)->CallVoidMethod(env, jwindow, sendMouseEventID, (jint) EVENT_MOUSE_RELEASED, 
+                                      modifiers,
+                                      (jint) evt.xbutton.x, (jint) evt.xbutton.y, (jint) evt.xbutton.button, 0 /*rotation*/);
+                #else
+                (*env)->CallVoidMethod(env, jwindow, enqueueMouseEventID, JNI_FALSE, (jint) EVENT_MOUSE_RELEASED, 
+                                      modifiers,
+                                      (jint) evt.xbutton.x, (jint) evt.xbutton.y, (jint) evt.xbutton.button, 0 /*rotation*/);
+                #endif
+                break;
+            case MotionNotify:
+                #ifdef USE_SENDIO_DIRECT
+                (*env)->CallVoidMethod(env, jwindow, sendMouseEventID, (jint) EVENT_MOUSE_MOVED, 
+                                      modifiers,
+                                      (jint) evt.xmotion.x, (jint) evt.xmotion.y, (jint) 0, 0 /*rotation*/); 
+                #else
+                (*env)->CallVoidMethod(env, jwindow, enqueueMouseEventID, JNI_FALSE, (jint) EVENT_MOUSE_MOVED, 
+                                      modifiers,
+                                      (jint) evt.xmotion.x, (jint) evt.xmotion.y, (jint) 0, 0 /*rotation*/); 
+                #endif
+                break;
+            case EnterNotify:
+                DBG_PRINT( "X11: event . EnterNotify call %p %d/%d\n", (void*)evt.xcrossing.window, evt.xcrossing.x, evt.xcrossing.y);
+                #ifdef USE_SENDIO_DIRECT
+                (*env)->CallVoidMethod(env, jwindow, sendMouseEventID, (jint) EVENT_MOUSE_ENTERED, 
+                                      modifiers,
+                                      (jint) evt.xcrossing.x, (jint) evt.xcrossing.y, (jint) 0, 0 /*rotation*/); 
+                #else
+                (*env)->CallVoidMethod(env, jwindow, enqueueMouseEventID, JNI_FALSE, (jint) EVENT_MOUSE_ENTERED, 
+                                      modifiers,
+                                      (jint) evt.xcrossing.x, (jint) evt.xcrossing.y, (jint) 0, 0 /*rotation*/); 
+                #endif
+                break;
+            case LeaveNotify:
+                DBG_PRINT( "X11: event . LeaveNotify call %p %d/%d\n", (void*)evt.xcrossing.window, evt.xcrossing.x, evt.xcrossing.y);
+                #ifdef USE_SENDIO_DIRECT
+                (*env)->CallVoidMethod(env, jwindow, sendMouseEventID, (jint) EVENT_MOUSE_EXITED, 
+                                      modifiers,
+                                      (jint) evt.xcrossing.x, (jint) evt.xcrossing.y, (jint) 0, 0 /*rotation*/); 
+                #else
+                (*env)->CallVoidMethod(env, jwindow, enqueueMouseEventID, JNI_FALSE, (jint) EVENT_MOUSE_EXITED, 
+                                      modifiers,
+                                      (jint) evt.xcrossing.x, (jint) evt.xcrossing.y, (jint) 0, 0 /*rotation*/); 
+                #endif
+                break;
+            case KeyPress:
+                #ifdef USE_SENDIO_DIRECT
+                (*env)->CallVoidMethod(env, jwindow, sendKeyEventID, (jint) EVENT_KEY_PRESSED, 
+                                      modifiers, keySym, (jchar) -1);
+                #else
+                (*env)->CallVoidMethod(env, jwindow, enqueueKeyEventID, JNI_FALSE, (jint) EVENT_KEY_PRESSED, 
+                                      modifiers, keySym, (jchar) -1);
+                #endif
+
+                break;
+            case KeyRelease:
+                #ifdef USE_SENDIO_DIRECT
+                (*env)->CallVoidMethod(env, jwindow, sendKeyEventID, (jint) EVENT_KEY_RELEASED, 
+                                      modifiers, keySym, (jchar) -1);
+
+                (*env)->CallVoidMethod(env, jwindow, sendKeyEventID, (jint) EVENT_KEY_TYPED, 
+                                      modifiers, keySym, (jchar) keyChar);
+                #else
+                (*env)->CallVoidMethod(env, jwindow, enqueueKeyEventID, JNI_FALSE, (jint) EVENT_KEY_RELEASED, 
+                                      modifiers, keySym, (jchar) -1);
+
+                (*env)->CallVoidMethod(env, jwindow, enqueueKeyEventID, JNI_FALSE, (jint) EVENT_KEY_TYPED, 
+                                      modifiers, keySym, (jchar) keyChar);
+                #endif
+
+                break;
+            case DestroyNotify:
+                DBG_PRINT( "X11: event . DestroyNotify call %p, parent %p, child-event: %d\n", 
+                    (void*)evt.xdestroywindow.window, (void*)evt.xdestroywindow.event, evt.xdestroywindow.window != evt.xdestroywindow.event);
+                if ( evt.xdestroywindow.window == evt.xdestroywindow.event ) {
+                    // ignore child destroy notification
+                }
+                break;
+            case CreateNotify:
+                DBG_PRINT( "X11: event . CreateNotify call %p, parent %p, child-event: 1\n", 
+                    (void*)evt.xcreatewindow.window, (void*) evt.xcreatewindow.parent);
+                break;
+            case ConfigureNotify:
+                DBG_PRINT( "X11: event . ConfigureNotify call %p (parent %p, above %p) %d/%d %dx%d %d, child-event: %d\n", 
+                            (void*)evt.xconfigure.window, (void*)evt.xconfigure.event, (void*)evt.xconfigure.above,
+                            evt.xconfigure.x, evt.xconfigure.y, evt.xconfigure.width, evt.xconfigure.height, 
+                            evt.xconfigure.override_redirect, evt.xconfigure.window != evt.xconfigure.event);
+                if ( evt.xconfigure.window == evt.xconfigure.event ) {
+                    // ignore child window change notification
+                    {
+                        // update insets
+                        int left, right, top, bottom;
+                        NewtWindows_updateInsets(env, jwindow, dpy, evt.xany.window, &left, &right, &top, &bottom);
+                    }
+                    (*env)->CallVoidMethod(env, jwindow, sizeChangedID, JNI_FALSE,
+                                            (jint) evt.xconfigure.width, (jint) evt.xconfigure.height, JNI_FALSE);
+                    (*env)->CallVoidMethod(env, jwindow, positionChangedID, JNI_FALSE,
+                                            (jint) evt.xconfigure.x, (jint) evt.xconfigure.y);
+                }
+                break;
+            case ClientMessage:
+                if (evt.xclient.send_event==True && evt.xclient.data.l[0]==wm_delete_atom) { // windowDeleteAtom
+                    jboolean closed;
+                    DBG_PRINT( "X11: event . ClientMessage call %p type 0x%X ..\n", 
+                        (void*)evt.xclient.window, (unsigned int)evt.xclient.message_type);
+                    closed = (*env)->CallBooleanMethod(env, jwindow, windowDestroyNotifyID, JNI_FALSE);
+                    DBG_PRINT( "X11: event . ClientMessage call %p type 0x%X, closed: %d\n", 
+                        (void*)evt.xclient.window, (unsigned int)evt.xclient.message_type, (int)closed);
+                    // Called by Window.java: CloseWindow(); 
+                    num_events = 0; // end loop in case of destroyed display
+                }
+                break;
+
+            case FocusIn:
+                DBG_PRINT( "X11: event . FocusIn call %p\n", (void*)evt.xvisibility.window);
+                (*env)->CallVoidMethod(env, jwindow, focusChangedID, JNI_FALSE, JNI_TRUE);
+                break;
+
+            case FocusOut:
+                DBG_PRINT( "X11: event . FocusOut call %p\n", (void*)evt.xvisibility.window);
+                (*env)->CallVoidMethod(env, jwindow, focusChangedID, JNI_FALSE, JNI_FALSE);
+                break;
+
+            case Expose:
+                DBG_PRINT( "X11: event . Expose call %p %d/%d %dx%d count %d\n", (void*)evt.xexpose.window,
+                    evt.xexpose.x, evt.xexpose.y, evt.xexpose.width, evt.xexpose.height, evt.xexpose.count);
+
+                if (evt.xexpose.count == 0 && evt.xexpose.width > 0 && evt.xexpose.height > 0) {
+                    (*env)->CallVoidMethod(env, jwindow, windowRepaintID, JNI_FALSE,
+                        evt.xexpose.x, evt.xexpose.y, evt.xexpose.width, evt.xexpose.height);
+                }
+                break;
+
+            case MapNotify:
+                DBG_PRINT( "X11: event . MapNotify call Event %p, Window %p, override_redirect %d, child-event: %d\n", 
+                    (void*)evt.xmap.event, (void*)evt.xmap.window, (int)evt.xmap.override_redirect,
+                    evt.xmap.event!=evt.xmap.window);
+                if( evt.xmap.event == evt.xmap.window ) {
+                    // ignore child window notification
+                    {
+                        // update insets
+                        int left, right, top, bottom;
+                        NewtWindows_updateInsets(env, jwindow, dpy, evt.xany.window, &left, &right, &top, &bottom);
+                    }
+                    (*env)->CallVoidMethod(env, jwindow, visibleChangedID, JNI_FALSE, JNI_TRUE);
+                }
+                break;
+
+            case UnmapNotify:
+                DBG_PRINT( "X11: event . UnmapNotify call Event %p, Window %p, from_configure %d, child-event: %d\n", 
+                    (void*)evt.xunmap.event, (void*)evt.xunmap.window, (int)evt.xunmap.from_configure,
+                    evt.xunmap.event!=evt.xunmap.window);
+                if( evt.xunmap.event == evt.xunmap.window ) {
+                    // ignore child window notification
+                    (*env)->CallVoidMethod(env, jwindow, visibleChangedID, JNI_FALSE, JNI_FALSE);
+                }
+                break;
+
+            case ReparentNotify:
+                {
+                    jlong parentResult; // 0 if root, otherwise proper value
+                    Window winRoot, winTopParent;
+                    #ifdef VERBOSE_ON
+                        Window oldParentRoot, oldParentTopParent;
+                        Window parentRoot, parentTopParent;
+                        if( 0 == NewtWindows_getRootAndParent(dpy, evt.xreparent.event, &oldParentRoot, &oldParentTopParent) ) {
+                            oldParentRoot=0; oldParentTopParent = 0;
+                        }
+                        if( 0 == NewtWindows_getRootAndParent(dpy, evt.xreparent.parent, &parentRoot, &parentTopParent) ) {
+                            parentRoot=0; parentTopParent = 0;
+                        }
+                    #endif
+                    if( 0 == NewtWindows_getRootAndParent(dpy, evt.xreparent.window, &winRoot, &winTopParent) ) {
+                        winRoot=0; winTopParent = 0;
+                    }
+                    if(evt.xreparent.parent == winRoot) {
+                        parentResult = 0; // our java indicator for root window
+                    } else {
+                        parentResult = (jlong) (intptr_t) evt.xreparent.parent;
+                    }
+                    #ifdef VERBOSE_ON
+                        DBG_PRINT( "X11: event . ReparentNotify: call %d/%d OldParent %p (root %p, top %p), NewParent %p (root %p, top %p), Window %p (root %p, top %p)\n", 
+                            evt.xreparent.x, evt.xreparent.y, 
+                            (void*)evt.xreparent.event, (void*)oldParentRoot, (void*)oldParentTopParent,
+                            (void*)evt.xreparent.parent, (void*)parentRoot, (void*)parentTopParent,
+                            (void*)evt.xreparent.window, (void*)winRoot, (void*)winTopParent);
+                    #endif
+                    (*env)->CallVoidMethod(env, jwindow, reparentNotifyID, (jlong)evt.xreparent.parent);
+                }
+                break;
+
+            // unhandled events .. yet ..
+
+            default:
+                DBG_PRINT("X11: event . unhandled %d 0x%X call %p\n", (int)evt.type, (unsigned int)evt.type, (void*)evt.xunmap.window);
+        }
+    }
+}
diff --git a/src/newt/native/X11Event.h b/src/newt/native/X11Event.h
new file mode 100644
index 000000000..969bcdeed
--- /dev/null
+++ b/src/newt/native/X11Event.h
@@ -0,0 +1,9 @@
+
+#ifndef _X11Event_h
+#define _X11Event_h
+
+#include "X11Common.h"
+
+extern void X11EventPoll(JNIEnv *env, jobject obj, Display *dpy, jlong javaObjectAtom, jlong wmDeleteAtom);
+
+#endif /* _X11Event_h */
diff --git a/src/newt/native/X11ScreenRandR11.c b/src/newt/native/X11ScreenRandR11.c
new file mode 100644
index 000000000..bc7d91d20
--- /dev/null
+++ b/src/newt/native/X11ScreenRandR11.c
@@ -0,0 +1,329 @@
+/**
+ * Copyright 2011 JogAmp Community. All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without modification, are
+ * permitted provided that the following conditions are met:
+ * 
+ *    1. Redistributions of source code must retain the above copyright notice, this list of
+ *       conditions and the following disclaimer.
+ * 
+ *    2. Redistributions in binary form must reproduce the above copyright notice, this list
+ *       of conditions and the following disclaimer in the documentation and/or other materials
+ *       provided with the distribution.
+ * 
+ * THIS SOFTWARE IS PROVIDED BY JogAmp Community ``AS IS'' AND ANY EXPRESS OR IMPLIED
+ * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
+ * FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL JogAmp Community OR
+ * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
+ * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
+ * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
+ * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
+ * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ * 
+ * The views and conclusions contained in the software and documentation are those of the
+ * authors and should not be interpreted as representing official policies, either expressed
+ * or implied, of JogAmp Community.
+ */
+
+#include "X11Common.h"
+
+JNIEXPORT jintArray JNICALL Java_jogamp_newt_driver_x11_ScreenDriver_getAvailableScreenModeRotations0_RandR11
+  (JNIEnv *env, jclass clazz, jlong display, jint scrn_idx)
+{
+    Display *dpy = (Display *) (intptr_t) display;
+    Window root = RootWindow(dpy, (int)scrn_idx);
+    int num_rotations = 0;
+    Rotation cur_rotation, rotations_supported;
+    int rotations[4];
+    int major, minor;
+
+    if(False == NewtScreen_getRANDRVersion(dpy, &major, &minor)) {
+        fprintf(stderr, "RANDR not available\n");
+        return (*env)->NewIntArray(env, 0);
+    }
+
+    rotations_supported = XRRRotations (dpy, (int)scrn_idx, &cur_rotation);
+
+    if(0 != (rotations_supported & RR_Rotate_0)) {
+      rotations[num_rotations++] = 0;
+    }
+    if(0 != (rotations_supported & RR_Rotate_90)) {
+      rotations[num_rotations++] = 90;
+    }
+    if(0 != (rotations_supported & RR_Rotate_180)) {
+      rotations[num_rotations++] = 180;
+    }
+    if(0 != (rotations_supported & RR_Rotate_270)) {
+      rotations[num_rotations++] = 270;
+    }
+    
+    jintArray properties = NULL;
+
+    if(num_rotations>0) {
+        properties = (*env)->NewIntArray(env, num_rotations);
+        if (properties == NULL) {
+            NewtCommon_throwNewRuntimeException(env, "Could not allocate int array of size %d", num_rotations);
+        }
+        
+        // move from the temp structure to the java structure
+        (*env)->SetIntArrayRegion(env, properties, 0, num_rotations, rotations);
+    }
+        
+    return properties;
+}
+
+JNIEXPORT jint JNICALL Java_jogamp_newt_driver_x11_ScreenDriver_getNumScreenModeResolutions0_RandR11
+  (JNIEnv *env, jclass clazz, jlong display, jint scrn_idx)
+{
+    Display *dpy = (Display *) (intptr_t) display;
+    Window root = RootWindow(dpy, (int)scrn_idx);
+    
+    int num_sizes;   
+    XRRScreenSize *xrrs = XRRSizes(dpy, (int)scrn_idx, &num_sizes); //get possible screen resolutions
+    
+    DBG_PRINT("getNumScreenModeResolutions0: %d\n", num_sizes);
+
+    return num_sizes;
+}
+
+/*
+ * Class:     jogamp_newt_driver_x11_ScreenDriver
+ * Method:    getScreenModeResolutions0_RandR11
+ * Signature: (JII)[I
+ */
+JNIEXPORT jintArray JNICALL Java_jogamp_newt_driver_x11_ScreenDriver_getScreenModeResolution0_RandR11
+  (JNIEnv *env, jclass clazz, jlong display, jint scrn_idx, jint resMode_idx)
+{
+    Display *dpy = (Display *) (intptr_t) display;
+    
+    int num_sizes;   
+    XRRScreenSize *xrrs = XRRSizes(dpy, (int)scrn_idx, &num_sizes); //get possible screen resolutions
+
+    if( 0 > resMode_idx || resMode_idx >= num_sizes ) {
+        NewtCommon_throwNewRuntimeException(env, "Invalid resolution index: ! 0 < %d < %d", resMode_idx, num_sizes);
+    }
+ 
+    // Fill the properties in temp jint array
+    int propIndex = 0;
+    jint prop[4];
+    
+    prop[propIndex++] = xrrs[(int)resMode_idx].width; 
+    prop[propIndex++] = xrrs[(int)resMode_idx].height;
+    prop[propIndex++] = xrrs[(int)resMode_idx].mwidth; 
+    prop[propIndex++] = xrrs[(int)resMode_idx].mheight;
+    
+    jintArray properties = (*env)->NewIntArray(env, 4);
+    if (properties == NULL) {
+        NewtCommon_throwNewRuntimeException(env, "Could not allocate int array of size %d", 4);
+    }
+    
+    // move from the temp structure to the java structure
+    (*env)->SetIntArrayRegion(env, properties, 0, 4, prop);
+    
+    return properties;
+}
+
+/*
+ * Class:     jogamp_newt_driver_x11_ScreenDriver
+ * Method:    getScreenModeRates0_RandR11
+ * Signature: (JII)[I
+ */
+JNIEXPORT jintArray JNICALL Java_jogamp_newt_driver_x11_ScreenDriver_getScreenModeRates0_RandR11
+  (JNIEnv *env, jclass clazz, jlong display, jint scrn_idx, jint resMode_idx)
+{
+    Display *dpy = (Display *) (intptr_t) display;
+    
+    int num_sizes;   
+    XRRScreenSize *xrrs = XRRSizes(dpy, (int)scrn_idx, &num_sizes); //get possible screen resolutions
+
+    if( 0 > resMode_idx || resMode_idx >= num_sizes ) {
+        NewtCommon_throwNewRuntimeException(env, "Invalid resolution index: ! 0 < %d < %d", resMode_idx, num_sizes);
+    }
+ 
+    int num_rates;
+    short *rates = XRRRates(dpy, (int)scrn_idx, (int)resMode_idx, &num_rates);
+ 
+    jint prop[num_rates];
+    int i;
+    for(i=0; i<num_rates; i++) {
+        prop[i] = (int) rates[i];
+        /** fprintf(stderr, "rate[%d, %d, %d/%d]: %d\n", (int)scrn_idx, resMode_idx, i, num_rates, prop[i]); */
+    }
+    
+    jintArray properties = (*env)->NewIntArray(env, num_rates);
+    if (properties == NULL) {
+        NewtCommon_throwNewRuntimeException(env, "Could not allocate int array of size %d", num_rates);
+    }
+    
+    // move from the temp structure to the java structure
+    (*env)->SetIntArrayRegion(env, properties, 0, num_rates, prop);
+    
+    return properties;
+}
+
+/*
+ * Class:     jogamp_newt_driver_x11_ScreenDriver
+ * Method:    getCurrentScreenRate0_RandR11
+ * Signature: (JI)I
+ */
+JNIEXPORT jint JNICALL Java_jogamp_newt_driver_x11_ScreenDriver_getCurrentScreenRate0_RandR11
+  (JNIEnv *env, jclass clazz, jlong display, jint scrn_idx) 
+{
+    Display *dpy = (Display *) (intptr_t) display;
+    Window root = RootWindow(dpy, (int)scrn_idx);
+    
+    // get current resolutions and frequencies
+    XRRScreenConfiguration  *conf = XRRGetScreenInfo(dpy, root);
+    short original_rate = XRRConfigCurrentRate(conf);
+
+    //free
+    XRRFreeScreenConfigInfo(conf);
+    
+    DBG_PRINT("getCurrentScreenRate0: %d\n", (int)original_rate);
+
+    return (jint) original_rate;
+}
+
+/*
+ * Class:     jogamp_newt_driver_x11_ScreenDriver
+ * Method:    getCurrentScreenRotation0_RandR11
+ * Signature: (JI)I
+ */
+JNIEXPORT jint JNICALL Java_jogamp_newt_driver_x11_ScreenDriver_getCurrentScreenRotation0_RandR11
+  (JNIEnv *env, jclass clazz, jlong display, jint scrn_idx)
+{
+    Display *dpy = (Display *) (intptr_t) display;
+    Window root = RootWindow(dpy, (int)scrn_idx);
+    
+    //get current resolutions and frequencies
+    XRRScreenConfiguration  *conf = XRRGetScreenInfo(dpy, root);
+    
+    Rotation rotation;
+    XRRConfigCurrentConfiguration(conf, &rotation);
+
+    //free
+    XRRFreeScreenConfigInfo(conf);
+    
+    return NewtScreen_XRotation2Degree(env, rotation);
+}
+
+
+/*
+ * Class:     jogamp_newt_driver_x11_ScreenDriver
+ * Method:    getCurrentScreenResolutionIndex0_RandR11
+ * Signature: (JI)I
+ */
+JNIEXPORT jint JNICALL Java_jogamp_newt_driver_x11_ScreenDriver_getCurrentScreenResolutionIndex0_RandR11
+  (JNIEnv *env, jclass clazz, jlong display, jint scrn_idx)
+{
+   Display *dpy = (Display *) (intptr_t) display;
+   Window root = RootWindow(dpy, (int)scrn_idx);
+  
+   // get current resolutions and frequency configuration
+   XRRScreenConfiguration  *conf = XRRGetScreenInfo(dpy, root);
+   short original_rate = XRRConfigCurrentRate(conf);
+   
+   Rotation original_rotation;
+   SizeID original_size_id = XRRConfigCurrentConfiguration(conf, &original_rotation);
+   
+   //free
+   XRRFreeScreenConfigInfo(conf);
+   
+   DBG_PRINT("getCurrentScreenResolutionIndex0: %d\n", (int)original_size_id);
+   return (jint)original_size_id;   
+}
+
+/*
+ * Class:     jogamp_newt_driver_x11_ScreenDriver
+ * Method:    setCurrentScreenModeStart0_RandR11
+ * Signature: (JIIII)Z
+ */
+JNIEXPORT jboolean JNICALL Java_jogamp_newt_driver_x11_ScreenDriver_setCurrentScreenModeStart0_RandR11
+  (JNIEnv *env, jclass clazz, jlong display, jint screen_idx, jint resMode_idx, jint freq, jint rotation)
+{
+    Display *dpy = (Display *) (intptr_t) display;
+    Window root = RootWindow(dpy, (int)screen_idx);
+
+    int num_sizes;   
+    XRRScreenSize *xrrs = XRRSizes(dpy, (int)screen_idx, &num_sizes); //get possible screen resolutions
+    XRRScreenConfiguration *conf;
+    int rot;
+    
+    if( 0 > resMode_idx || resMode_idx >= num_sizes ) {
+        NewtCommon_throwNewRuntimeException(env, "Invalid resolution index: ! 0 < %d < %d", resMode_idx, num_sizes);
+    }
+
+    conf = XRRGetScreenInfo(dpy, root);
+   
+    rot = int NewtScreen_Degree2XRotation(env, rotation);
+    
+    DBG_PRINT("X11Screen.setCurrentScreenMode0: CHANGED TO %d: %d x %d PIXELS, %d Hz, %d degree\n", 
+        resMode_idx, xrrs[resMode_idx].width, xrrs[resMode_idx].height, (int)freq, rotation);
+
+    XRRSelectInput (dpy, root, RRScreenChangeNotifyMask);
+
+    XSync(dpy, False);
+    XRRSetScreenConfigAndRate(dpy, conf, root, (int)resMode_idx, rot, (short)freq, CurrentTime);   
+    XSync(dpy, False);
+
+    //free
+    XRRFreeScreenConfigInfo(conf);
+    XSync(dpy, False);
+
+    return JNI_TRUE;
+}
+
+/*
+ * Class:     jogamp_newt_driver_x11_ScreenDriver
+ * Method:    setCurrentScreenModePollEnd0_RandR11
+ * Signature: (J)Z
+ */
+JNIEXPORT jboolean JNICALL Java_jogamp_newt_driver_x11_ScreenDriver_setCurrentScreenModePollEnd0_RandR11
+  (JNIEnv *env, jclass clazz, jlong display, jint screen_idx, jint resMode_idx, jint freq, jint rotation)
+{
+    Display *dpy = (Display *) (intptr_t) display;
+    int randr_event_base, randr_error_base;
+    XEvent evt;
+    XRRScreenChangeNotifyEvent * scn_event = (XRRScreenChangeNotifyEvent *) &evt;
+
+    int num_sizes;   
+    XRRScreenSize *xrrs = XRRSizes(dpy, (int)screen_idx, &num_sizes); //get possible screen resolutions
+    XRRScreenConfiguration *conf;
+    
+    if( 0 > resMode_idx || resMode_idx >= num_sizes ) {
+        NewtCommon_throwNewRuntimeException(env, "Invalid resolution index: ! 0 < %d < %d", resMode_idx, num_sizes);
+    }
+
+    XRRQueryExtension(dpy, &randr_event_base, &randr_error_base);
+
+    int done = 0;
+    int rot;
+    do {
+        if ( 0 >= XEventsQueued(dpy, QueuedAfterFlush) ) {
+            return;
+        }
+        XNextEvent(dpy, &evt);
+
+        switch (evt.type - randr_event_base) {
+            case RRScreenChangeNotify:
+                rot = NewtScreen_XRotation2Degree(env, (int)scn_event->rotation);
+                DBG_PRINT( "XRANDR: event . RRScreenChangeNotify call %p (root %p) resIdx %d rot %d %dx%d\n", 
+                            (void*)scn_event->window, (void*)scn_event->root, 
+                            (int)scn_event->size_index, rot, 
+                            scn_event->width, scn_event->height);
+                // done = scn_event->size_index == resMode_idx; // not reliable ..
+                done = rot == rotation && 
+                       scn_event->width == xrrs[resMode_idx].width && 
+                       scn_event->height == xrrs[resMode_idx].height;
+                break;
+            default:
+                DBG_PRINT("RANDR: event . unhandled %d 0x%X call %p\n", (int)evt.type, (int)evt.type, (void*)evt.xany.window);
+        }
+        XRRUpdateConfiguration(&evt);
+    } while(!done);
+
+    XSync(dpy, False);
+
+}
+
diff --git a/src/newt/native/X11ScreenRandR13.c b/src/newt/native/X11ScreenRandR13.c
new file mode 100644
index 000000000..da90d15c9
--- /dev/null
+++ b/src/newt/native/X11ScreenRandR13.c
@@ -0,0 +1,372 @@
+/**
+ * Copyright 2011 JogAmp Community. All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without modification, are
+ * permitted provided that the following conditions are met:
+ * 
+ *    1. Redistributions of source code must retain the above copyright notice, this list of
+ *       conditions and the following disclaimer.
+ * 
+ *    2. Redistributions in binary form must reproduce the above copyright notice, this list
+ *       of conditions and the following disclaimer in the documentation and/or other materials
+ *       provided with the distribution.
+ * 
+ * THIS SOFTWARE IS PROVIDED BY JogAmp Community ``AS IS'' AND ANY EXPRESS OR IMPLIED
+ * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
+ * FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL JogAmp Community OR
+ * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
+ * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
+ * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
+ * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
+ * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ * 
+ * The views and conclusions contained in the software and documentation are those of the
+ * authors and should not be interpreted as representing official policies, either expressed
+ * or implied, of JogAmp Community.
+ */
+
+#include "X11Common.h"
+
+JNIEXPORT jintArray JNICALL Java_jogamp_newt_driver_x11_ScreenDriver_getOrigin0_RandR13
+  (JNIEnv *env, jclass clazz, jlong display, jint scrn_idx)
+{
+    Display * dpy = (Display *) (intptr_t) display;
+    Window root = RootWindow(dpy, (int)scrn_idx);
+    int pos[] = { 0, 0 } ;
+
+    int i;
+    XRRScreenResources *xrrScreenResources = XRRGetScreenResources(dpy, root);
+    fprintf(stderr, "XRRScreenResources %p: RRCrtc crtcs %d\n", xrrScreenResources, xrrScreenResources->ncrtc);
+    for(i=0; i<xrrScreenResources->ncrtc; i++) {
+        RRCrtc crtc = xrrScreenResources->crtcs[i];
+        XRRCrtcInfo *xrrCrtcInfo = XRRGetCrtcInfo (dpy, xrrScreenResources, crtc);
+        fprintf(stderr, "RRCrtc %d: %d/%d %dx%d\n", i, xrrCrtcInfo->x, xrrCrtcInfo->y, xrrCrtcInfo->width, xrrCrtcInfo->height);
+        XRRFreeCrtcInfo(xrrCrtcInfo);
+    }
+
+    jintArray jpos = (*env)->NewIntArray(env, num_rotations);
+    if (properties == NULL) {
+        NewtCommon_throwNewRuntimeException(env, "Could not allocate int array of size %d", 2);
+    }
+        
+    // move from the temp structure to the java structure
+    (*env)->SetIntArrayRegion(env, jpos, 0, 2, pos);
+    return jpos;
+}
+
+JNIEXPORT jintArray JNICALL Java_jogamp_newt_driver_x11_ScreenDriver_getAvailableScreenModeRotations0_RandR13
+  (JNIEnv *env, jclass clazz, jlong display, jint scrn_idx)
+{
+    Display *dpy = (Display *) (intptr_t) display;
+    Window root = RootWindow(dpy, (int)scrn_idx);
+    int num_rotations = 0;
+    Rotation cur_rotation, rotations_supported;
+    int rotations[4];
+    int major, minor;
+
+    if(False == NewtScreen_getRANDRVersion(dpy, &major, &minor)) {
+        fprintf(stderr, "RANDR not available\n");
+        return (*env)->NewIntArray(env, 0);
+    }
+
+    rotations_supported = XRRRotations (dpy, (int)scrn_idx, &cur_rotation);
+
+    if(0 != (rotations_supported & RR_Rotate_0)) {
+      rotations[num_rotations++] = 0;
+    }
+    if(0 != (rotations_supported & RR_Rotate_90)) {
+      rotations[num_rotations++] = 90;
+    }
+    if(0 != (rotations_supported & RR_Rotate_180)) {
+      rotations[num_rotations++] = 180;
+    }
+    if(0 != (rotations_supported & RR_Rotate_270)) {
+      rotations[num_rotations++] = 270;
+    }
+    
+    jintArray properties = NULL;
+
+    if(num_rotations>0) {
+        properties = (*env)->NewIntArray(env, num_rotations);
+        if (properties == NULL) {
+            NewtCommon_throwNewRuntimeException(env, "Could not allocate int array of size %d", num_rotations);
+        }
+        
+        // move from the temp structure to the java structure
+        (*env)->SetIntArrayRegion(env, properties, 0, num_rotations, rotations);
+    }
+        
+    return properties;
+}
+
+JNIEXPORT jint JNICALL Java_jogamp_newt_driver_x11_ScreenDriver_getNumScreenModeResolutions0_RandR13
+  (JNIEnv *env, jclass clazz, jlong display, jint scrn_idx)
+{
+    Display *dpy = (Display *) (intptr_t) display;
+    Window root = RootWindow(dpy, (int)scrn_idx);
+    
+    int num_sizes;   
+    XRRScreenSize *xrrs = XRRSizes(dpy, (int)scrn_idx, &num_sizes); //get possible screen resolutions
+    
+    DBG_PRINT("getNumScreenModeResolutions0: %d\n", num_sizes);
+
+    int i;
+    XRRScreenResources *xrrScreenResources = XRRGetScreenResources(dpy, root);
+    fprintf(stderr, "XRRScreenResources %p: RRCrtc crtcs %d\n", xrrScreenResources, xrrScreenResources->ncrtc);
+    for(i=0; i<xrrScreenResources->ncrtc; i++) {
+        RRCrtc crtc = xrrScreenResources->crtcs[i];
+        XRRCrtcInfo *xrrCrtcInfo = XRRGetCrtcInfo (dpy, xrrScreenResources, crtc);
+        fprintf(stderr, "RRCrtc %d: %d/%d %dx%d\n", i, xrrCrtcInfo->x, xrrCrtcInfo->y, xrrCrtcInfo->width, xrrCrtcInfo->height);
+        XRRFreeCrtcInfo(xrrCrtcInfo);
+    }
+    fprintf(stderr, "XRRScreenResources %p: XRRModeInfo modes %d\n", xrrScreenResources, xrrScreenResources->nmode);
+    for(i=0; i<xrrScreenResources->nmode; i++) {
+        XRRModeInfo xrrModeInfo = xrrScreenResources->modes[i];
+        fprintf(stderr, "XRRModeInfo %d: %dx%d, %s, %X\n", i, xrrModeInfo.width, xrrModeInfo.height, xrrModeInfo.name, xrrModeInfo.id);
+    }
+    XRRFreeScreenResources(xrrScreenResources);
+
+    return num_sizes;
+}
+
+/*
+ * Class:     jogamp_newt_driver_x11_ScreenDriver
+ * Method:    getScreenModeResolutions0_RandR13
+ * Signature: (JII)[I
+ */
+JNIEXPORT jintArray JNICALL Java_jogamp_newt_driver_x11_ScreenDriver_getScreenModeResolution0_RandR13
+  (JNIEnv *env, jclass clazz, jlong display, jint scrn_idx, jint resMode_idx)
+{
+    Display *dpy = (Display *) (intptr_t) display;
+    
+    int num_sizes;   
+    XRRScreenSize *xrrs = XRRSizes(dpy, (int)scrn_idx, &num_sizes); //get possible screen resolutions
+
+    if( 0 > resMode_idx || resMode_idx >= num_sizes ) {
+        NewtCommon_throwNewRuntimeException(env, "Invalid resolution index: ! 0 < %d < %d", resMode_idx, num_sizes);
+    }
+ 
+    // Fill the properties in temp jint array
+    int propIndex = 0;
+    jint prop[4];
+    
+    prop[propIndex++] = xrrs[(int)resMode_idx].width; 
+    prop[propIndex++] = xrrs[(int)resMode_idx].height;
+    prop[propIndex++] = xrrs[(int)resMode_idx].mwidth; 
+    prop[propIndex++] = xrrs[(int)resMode_idx].mheight;
+    
+    jintArray properties = (*env)->NewIntArray(env, 4);
+    if (properties == NULL) {
+        NewtCommon_throwNewRuntimeException(env, "Could not allocate int array of size %d", 4);
+    }
+    
+    // move from the temp structure to the java structure
+    (*env)->SetIntArrayRegion(env, properties, 0, 4, prop);
+    
+    return properties;
+}
+
+/*
+ * Class:     jogamp_newt_driver_x11_ScreenDriver
+ * Method:    getScreenModeRates0_RandR13
+ * Signature: (JII)[I
+ */
+JNIEXPORT jintArray JNICALL Java_jogamp_newt_driver_x11_ScreenDriver_getScreenModeRates0_RandR13
+  (JNIEnv *env, jclass clazz, jlong display, jint scrn_idx, jint resMode_idx)
+{
+    Display *dpy = (Display *) (intptr_t) display;
+    
+    int num_sizes;   
+    XRRScreenSize *xrrs = XRRSizes(dpy, (int)scrn_idx, &num_sizes); //get possible screen resolutions
+
+    if( 0 > resMode_idx || resMode_idx >= num_sizes ) {
+        NewtCommon_throwNewRuntimeException(env, "Invalid resolution index: ! 0 < %d < %d", resMode_idx, num_sizes);
+    }
+ 
+    int num_rates;
+    short *rates = XRRRates(dpy, (int)scrn_idx, (int)resMode_idx, &num_rates);
+ 
+    jint prop[num_rates];
+    int i;
+    for(i=0; i<num_rates; i++) {
+        prop[i] = (int) rates[i];
+        /** fprintf(stderr, "rate[%d, %d, %d/%d]: %d\n", (int)scrn_idx, resMode_idx, i, num_rates, prop[i]); */
+    }
+    
+    jintArray properties = (*env)->NewIntArray(env, num_rates);
+    if (properties == NULL) {
+        NewtCommon_throwNewRuntimeException(env, "Could not allocate int array of size %d", num_rates);
+    }
+    
+    // move from the temp structure to the java structure
+    (*env)->SetIntArrayRegion(env, properties, 0, num_rates, prop);
+    
+    return properties;
+}
+
+/*
+ * Class:     jogamp_newt_driver_x11_ScreenDriver
+ * Method:    getCurrentScreenRate0_RandR13
+ * Signature: (JI)I
+ */
+JNIEXPORT jint JNICALL Java_jogamp_newt_driver_x11_ScreenDriver_getCurrentScreenRate0_RandR13
+  (JNIEnv *env, jclass clazz, jlong display, jint scrn_idx) 
+{
+    Display *dpy = (Display *) (intptr_t) display;
+    Window root = RootWindow(dpy, (int)scrn_idx);
+    
+    // get current resolutions and frequencies
+    XRRScreenConfiguration  *conf = XRRGetScreenInfo(dpy, root);
+    short original_rate = XRRConfigCurrentRate(conf);
+
+    //free
+    XRRFreeScreenConfigInfo(conf);
+    
+    DBG_PRINT("getCurrentScreenRate0: %d\n", (int)original_rate);
+
+    return (jint) original_rate;
+}
+
+/*
+ * Class:     jogamp_newt_driver_x11_ScreenDriver
+ * Method:    getCurrentScreenRotation0_RandR13
+ * Signature: (JI)I
+ */
+JNIEXPORT jint JNICALL Java_jogamp_newt_driver_x11_ScreenDriver_getCurrentScreenRotation0_RandR13
+  (JNIEnv *env, jclass clazz, jlong display, jint scrn_idx)
+{
+    Display *dpy = (Display *) (intptr_t) display;
+    Window root = RootWindow(dpy, (int)scrn_idx);
+    
+    //get current resolutions and frequencies
+    XRRScreenConfiguration  *conf = XRRGetScreenInfo(dpy, root);
+    
+    Rotation rotation;
+    XRRConfigCurrentConfiguration(conf, &rotation);
+
+    //free
+    XRRFreeScreenConfigInfo(conf);
+    
+    return NewtScreen_XRotation2Degree(env, rotation);
+}
+
+
+/*
+ * Class:     jogamp_newt_driver_x11_ScreenDriver
+ * Method:    getCurrentScreenResolutionIndex0_RandR13
+ * Signature: (JI)I
+ */
+JNIEXPORT jint JNICALL Java_jogamp_newt_driver_x11_ScreenDriver_getCurrentScreenResolutionIndex0_RandR13
+  (JNIEnv *env, jclass clazz, jlong display, jint scrn_idx)
+{
+   Display *dpy = (Display *) (intptr_t) display;
+   Window root = RootWindow(dpy, (int)scrn_idx);
+  
+   // get current resolutions and frequency configuration
+   XRRScreenConfiguration  *conf = XRRGetScreenInfo(dpy, root);
+   short original_rate = XRRConfigCurrentRate(conf);
+   
+   Rotation original_rotation;
+   SizeID original_size_id = XRRConfigCurrentConfiguration(conf, &original_rotation);
+   
+   //free
+   XRRFreeScreenConfigInfo(conf);
+   
+   DBG_PRINT("getCurrentScreenResolutionIndex0: %d\n", (int)original_size_id);
+   return (jint)original_size_id;   
+}
+
+/*
+ * Class:     jogamp_newt_driver_x11_ScreenDriver
+ * Method:    setCurrentScreenModeStart0_RandR13
+ * Signature: (JIIII)Z
+ */
+JNIEXPORT jboolean JNICALL Java_jogamp_newt_driver_x11_ScreenDriver_setCurrentScreenModeStart0_RandR13
+  (JNIEnv *env, jclass clazz, jlong display, jint screen_idx, jint resMode_idx, jint freq, jint rotation)
+{
+    Display *dpy = (Display *) (intptr_t) display;
+    Window root = RootWindow(dpy, (int)screen_idx);
+
+    int num_sizes;   
+    XRRScreenSize *xrrs = XRRSizes(dpy, (int)screen_idx, &num_sizes); //get possible screen resolutions
+    XRRScreenConfiguration *conf;
+    int rot;
+    
+    if( 0 > resMode_idx || resMode_idx >= num_sizes ) {
+        NewtCommon_throwNewRuntimeException(env, "Invalid resolution index: ! 0 < %d < %d", resMode_idx, num_sizes);
+    }
+
+    conf = XRRGetScreenInfo(dpy, root);
+   
+    rot = int NewtScreen_Degree2XRotation(env, rotation);
+    
+    DBG_PRINT("X11Screen.setCurrentScreenMode0: CHANGED TO %d: %d x %d PIXELS, %d Hz, %d degree\n", 
+        resMode_idx, xrrs[resMode_idx].width, xrrs[resMode_idx].height, (int)freq, rotation);
+
+    XRRSelectInput (dpy, root, RRScreenChangeNotifyMask);
+
+    XSync(dpy, False);
+    XRRSetScreenConfigAndRate(dpy, conf, root, (int)resMode_idx, rot, (short)freq, CurrentTime);   
+    XSync(dpy, False);
+
+    //free
+    XRRFreeScreenConfigInfo(conf);
+    XSync(dpy, False);
+
+    return JNI_TRUE;
+}
+
+/*
+ * Class:     jogamp_newt_driver_x11_ScreenDriver
+ * Method:    setCurrentScreenModePollEnd0_RandR13
+ * Signature: (J)Z
+ */
+JNIEXPORT jboolean JNICALL Java_jogamp_newt_driver_x11_ScreenDriver_setCurrentScreenModePollEnd0_RandR13
+  (JNIEnv *env, jclass clazz, jlong display, jint screen_idx, jint resMode_idx, jint freq, jint rotation)
+{
+    Display *dpy = (Display *) (intptr_t) display;
+    int randr_event_base, randr_error_base;
+    XEvent evt;
+    XRRScreenChangeNotifyEvent * scn_event = (XRRScreenChangeNotifyEvent *) &evt;
+
+    int num_sizes;   
+    XRRScreenSize *xrrs = XRRSizes(dpy, (int)screen_idx, &num_sizes); //get possible screen resolutions
+    XRRScreenConfiguration *conf;
+    
+    if( 0 > resMode_idx || resMode_idx >= num_sizes ) {
+        NewtCommon_throwNewRuntimeException(env, "Invalid resolution index: ! 0 < %d < %d", resMode_idx, num_sizes);
+    }
+
+    XRRQueryExtension(dpy, &randr_event_base, &randr_error_base);
+
+    int done = 0;
+    int rot;
+    do {
+        if ( 0 >= XEventsQueued(dpy, QueuedAfterFlush) ) {
+            return;
+        }
+        XNextEvent(dpy, &evt);
+
+        switch (evt.type - randr_event_base) {
+            case RRScreenChangeNotify:
+                rot = NewtScreen_XRotation2Degree(env, (int)scn_event->rotation);
+                DBG_PRINT( "XRANDR: event . RRScreenChangeNotify call %p (root %p) resIdx %d rot %d %dx%d\n", 
+                            (void*)scn_event->window, (void*)scn_event->root, 
+                            (int)scn_event->size_index, rot, 
+                            scn_event->width, scn_event->height);
+                // done = scn_event->size_index == resMode_idx; // not reliable ..
+                done = rot == rotation && 
+                       scn_event->width == xrrs[resMode_idx].width && 
+                       scn_event->height == xrrs[resMode_idx].height;
+                break;
+            default:
+                DBG_PRINT("RANDR: event . unhandled %d 0x%X call %p\n", (int)evt.type, (int)evt.type, (void*)evt.xany.window);
+        }
+        XRRUpdateConfiguration(&evt);
+    } while(!done);
+
+    XSync(dpy, False);
+
+}
+
diff --git a/src/newt/native/XCBEvent.c b/src/newt/native/XCBEvent.c
new file mode 100644
index 000000000..77a3380db
--- /dev/null
+++ b/src/newt/native/XCBEvent.c
@@ -0,0 +1,314 @@
+
+#define VERBOSE_ON 1
+
+#include "XCBEvent.h"
+
+#include <xcb/xcb.h>
+#include <xcb/xcb_event.h>
+#include <xcb/xproto.h>
+#include <xcb/xcb_keysyms.h>
+#include <X11/Xlib-xcb.h>
+
+void XCBSetEventQueueOwner(Display *dpy) {
+    XSetEventQueueOwner(dpy, XCBOwnsEventQueue);
+}
+
+void XCBEventPoll(JNIEnv *env, jobject obj, Display *dpy, jlong javaObjectAtom, jlong wmDeleteAtom) {
+    int num_events = 100;
+    xcb_connection_t *conn = NULL;
+
+    if ( NULL == dpy ) {
+        return;
+    }
+    conn = XGetXCBConnection(dpy);
+
+    // Periodically take a break
+    while( num_events > 0 ) {
+        jobject jwindow = NULL;
+        xcb_generic_event_t *evt;
+        // KeySym keySym = 0;
+        jint modifiers = 0;
+        char keyChar = 0;
+        // char text[255];
+
+        evt = xcb_poll_for_event(conn);
+        if(NULL == evt) {
+            // DBG_PRINT( "X11: DispatchMessages 0x%X - Leave 1\n", dpy); 
+            return;
+        }
+        num_events--;
+
+        /*if( 0==evt.xany.window ) {
+            free(evt);
+            NewtCommon_throwNewRuntimeException(env, "event window NULL, bail out!");
+            return ;
+        }
+
+        if(dpy!=evt.xany.display) {
+            free(evt);
+            NewtCommon_throwNewRuntimeException(env, "wrong display, bail out!");
+            return ;
+        }*/
+
+        // DBG_PRINT( "X11: DispatchMessages dpy %p, win %p, Event %d\n", (void*)dpy, (void*)evt.xany.window, evt.type);
+
+        // X11WindowDisplayErrorHandlerEnable(1, env);
+
+        // jwindow = X11WindowGetJavaWindowProperty(env, dpy, evt.xany.window, javaObjectAtom, VERBOSE_BOOL);
+
+        //X11WindowDisplayErrorHandlerEnable(0, env);
+
+        /*if(NULL==jwindow) {
+            fprintf(stderr, "Warning: NEWT X11 DisplayDispatch %p, Couldn't handle event %d for X11 window %p\n", 
+                (void*)dpy, evt.type, (void*)evt.xany.window);
+            continue;
+        }*/
+ 
+        uint8_t xcb_event_type = evt->response_type & ~0x80;
+        xcb_window_t event_window = 0;
+
+        switch( xcb_event_type ) {
+            case XCB_BUTTON_PRESS:
+            case XCB_BUTTON_RELEASE:
+                event_window = ((xcb_button_press_event_t *)evt)->event;
+                modifiers = X11InputState2NewtModifiers(((xcb_button_press_event_t *)evt)->state);
+                break;
+            case XCB_MOTION_NOTIFY:
+                event_window = ((xcb_motion_notify_event_t *)evt)->event;
+                break;
+            case XCB_KEY_PRESS:
+            case XCB_KEY_RELEASE: {
+                    xcb_key_press_event_t *_evt = (xcb_key_press_event_t *)evt;
+                    event_window = _evt->event;
+                    /*
+                    xcb_keycode_t   detail = _evt->detail;
+                    if(XLookupString(&evt.xkey,text,255,&keySym,0)==1) {
+                        KeySym lower_return = 0, upper_return = 0;
+                        keyChar=text[0];
+                        XConvertCase(keySym, &lower_return, &upper_return);
+                        // always return upper case, set modifier masks (SHIFT, ..)
+                        keySym = upper_return;
+                        modifiers = X11InputState2NewtModifiers(evt.xkey.state);
+                    } else {
+                        keyChar=0;
+                    }*/
+                }
+                break;
+            case  XCB_EXPOSE:
+                event_window = ((xcb_expose_event_t *)evt)->window;
+                break;
+            case XCB_MAP_NOTIFY:
+                event_window = ((xcb_map_notify_event_t *)evt)->window;
+                break;
+            case XCB_UNMAP_NOTIFY:
+                event_window = ((xcb_unmap_notify_event_t *)evt)->window;
+                break;
+        } 
+        if(0==event_window) {
+            fprintf(stderr, "Warning: NEWT X11 DisplayDispatch %p, Couldn't handle event %d, no X11 window associated\n", 
+                (void*)dpy, xcb_event_type);
+            continue;
+        }
+        jwindow = getJavaWindowProperty(env, dpy, event_window, javaObjectAtom,
+        #ifdef VERBOSE_ON
+                True
+        #else
+                False
+        #endif
+            );
+        if(NULL==jwindow) {
+            fprintf(stderr, "Warning: NEWT X11 DisplayDispatch %p, Couldn't handle event %d for X11 window %p\n", 
+                (void*)(intptr_t)dpy, xcb_event_type, (void*)(intptr_t)event_window);
+            continue;
+        }
+
+        switch( xcb_event_type ) {
+            case XCB_BUTTON_PRESS: {
+                    xcb_button_press_event_t *_evt = (xcb_button_press_event_t *)evt;
+                    (*env)->CallVoidMethod(env, jwindow, requestFocusID, JNI_FALSE);
+                    #ifdef USE_SENDIO_DIRECT
+                    (*env)->CallVoidMethod(env, jwindow, sendMouseEventID, (jint) EVENT_MOUSE_PRESSED, 
+                                          modifiers,
+                                          (jint) _evt->event_x, (jint) _evt->event_y, (jint) _evt->state, 0 /*rotation*/);
+                    #else
+                    (*env)->CallVoidMethod(env, jwindow, enqueueMouseEventID, JNI_FALSE, (jint) EVENT_MOUSE_PRESSED, 
+                                          modifiers,
+                                          (jint) _evt->event_x, (jint) _evt->event_y, (jint) _evt->state, 0 /*rotation*/);
+                    #endif
+                } break;
+            case XCB_BUTTON_RELEASE: {
+                    xcb_button_release_event_t *_evt = (xcb_button_release_event_t *)evt;
+                    #ifdef USE_SENDIO_DIRECT
+                    (*env)->CallVoidMethod(env, jwindow, sendMouseEventID, (jint) EVENT_MOUSE_RELEASED, 
+                                          modifiers,
+                                          (jint) _evt->event_x, (jint) _evt->event_y, (jint) _evt->state, 0 /*rotation*/);
+                    #else
+                    (*env)->CallVoidMethod(env, jwindow, enqueueMouseEventID, JNI_FALSE, (jint) EVENT_MOUSE_RELEASED, 
+                                          modifiers,
+                                          (jint) _evt->event_x, (jint) _evt->event_y, (jint) _evt->state, 0 /*rotation*/);
+                    #endif
+                } break;
+            case XCB_MOTION_NOTIFY: {
+                    xcb_motion_notify_event_t *_evt = (xcb_motion_notify_event_t *)evt;
+                    #ifdef USE_SENDIO_DIRECT
+                    (*env)->CallVoidMethod(env, jwindow, sendMouseEventID, (jint) EVENT_MOUSE_MOVED, 
+                                          modifiers,
+                                          (jint) _evt->event_x, (jint) _evt->event_y, (jint)0, 0 /*rotation*/);
+                    #else
+                    (*env)->CallVoidMethod(env, jwindow, enqueueMouseEventID, JNI_FALSE, (jint) EVENT_MOUSE_MOVED, 
+                                          modifiers,
+                                          (jint) _evt->event_x, (jint) _evt->event_y, (jint)0, 0 /*rotation*/);
+                    #endif
+                } break;
+            case XCB_KEY_PRESS: {
+                    xcb_key_press_event_t *_evt = (xcb_key_press_event_t *)evt;
+                    #ifdef USE_SENDIO_DIRECT
+                    (*env)->CallVoidMethod(env, jwindow, sendKeyEventID, (jint) EVENT_KEY_PRESSED, 
+                                          modifiers, X11KeySym2NewtVKey(_evt->state), (jchar) keyChar);
+                    #else
+                    (*env)->CallVoidMethod(env, jwindow, enqueueKeyEventID, JNI_FALSE, (jint) EVENT_KEY_PRESSED, 
+                                          modifiers, X11KeySym2NewtVKey(_evt->state), (jchar) keyChar);
+                    #endif
+                } break;
+            case XCB_KEY_RELEASE: {
+                    xcb_key_release_event_t *_evt = (xcb_key_release_event_t *)evt;
+                event_window = ((xcb_key_release_event_t *)evt)->event;
+                #ifdef USE_SENDIO_DIRECT
+                (*env)->CallVoidMethod(env, jwindow, sendKeyEventID, (jint) EVENT_KEY_RELEASED, 
+                                      modifiers, X11KeySym2NewtVKey(_evt->state), (jchar) keyChar);
+
+                (*env)->CallVoidMethod(env, jwindow, sendKeyEventID, (jint) EVENT_KEY_TYPED, 
+                                      modifiers, (jint) -1, (jchar) keyChar);
+                #else
+                (*env)->CallVoidMethod(env, jwindow, enqueueKeyEventID, JNI_FALSE, (jint) EVENT_KEY_RELEASED, 
+                                      modifiers, X11KeySym2NewtVKey(_evt->state), (jchar) keyChar);
+
+                (*env)->CallVoidMethod(env, jwindow, enqueueKeyEventID, JNI_FALSE, (jint) EVENT_KEY_TYPED, 
+                                      modifiers, (jint) -1, (jchar) keyChar);
+                #endif
+
+                } break;
+                /*
+            case DestroyNotify:
+                DBG_PRINT( "X11: event . DestroyNotify call %p, parent %p, child-event: %d\n", 
+                    (void*)evt.xdestroywindow.window, (void*)evt.xdestroywindow.event, evt.xdestroywindow.window != evt.xdestroywindow.event);
+                if ( evt.xdestroywindow.window == evt.xdestroywindow.event ) {
+                    // ignore child destroy notification
+                }
+                break;
+            case CreateNotify:
+                DBG_PRINT( "X11: event . CreateNotify call %p, parent %p, child-event: 1\n", 
+                    (void*)evt.xcreatewindow.window, (void*) evt.xcreatewindow.parent);
+                break;
+            case ConfigureNotify:
+                DBG_PRINT( "X11: event . ConfigureNotify call %p (parent %p, above %p) %d/%d %dx%d %d, child-event: %d\n", 
+                            (void*)evt.xconfigure.window, (void*)evt.xconfigure.event, (void*)evt.xconfigure.above,
+                            evt.xconfigure.x, evt.xconfigure.y, evt.xconfigure.width, evt.xconfigure.height, 
+                            evt.xconfigure.override_redirect, evt.xconfigure.window != evt.xconfigure.event);
+                if ( evt.xconfigure.window == evt.xconfigure.event ) {
+                    // ignore child window change notification
+                    (*env)->CallVoidMethod(env, jwindow, sizeChangedID, 
+                                            (jint) evt.xconfigure.width, (jint) evt.xconfigure.height, JNI_FALSE);
+                    (*env)->CallVoidMethod(env, jwindow, positionChangedID, 
+                                            (jint) evt.xconfigure.x, (jint) evt.xconfigure.y);
+                }
+                break;
+            case ClientMessage:
+                if (evt.xclient.send_event==True && evt.xclient.data.l[0]==(Atom)wmDeleteAtom) {
+                    DBG_PRINT( "X11: event . ClientMessage call %p type 0x%X !!!\n", 
+                        (void*)evt.xclient.window, (unsigned int)evt.xclient.message_type);
+                    (*env)->CallVoidMethod(env, jwindow, windowDestroyNotifyID);
+                    // Called by Window.java: CloseWindow(); 
+                    num_events = 0; // end loop in case of destroyed display
+                }
+                break;
+
+            case FocusIn:
+                DBG_PRINT( "X11: event . FocusIn call %p\n", (void*)evt.xvisibility.window);
+                (*env)->CallVoidMethod(env, jwindow, focusChangedID, JNI_TRUE);
+                break;
+
+            case FocusOut:
+                DBG_PRINT( "X11: event . FocusOut call %p\n", (void*)evt.xvisibility.window);
+                (*env)->CallVoidMethod(env, jwindow, focusChangedID, JNI_FALSE);
+                break;
+                */
+
+            case  XCB_EXPOSE: {
+                    xcb_expose_event_t *_evt = (xcb_expose_event_t *)evt;
+                    DBG_PRINT( "X11: event . Expose call %p %d/%d %dx%d count %d\n", (void*)(intptr_t)_evt->window,
+                        _evt->x, _evt->y, _evt->width, _evt->height, _evt->count);
+
+                    if (_evt->count == 0 && _evt->width > 0 && _evt->height > 0) {
+                        (*env)->CallVoidMethod(env, jwindow, windowRepaintID, 
+                            _evt->x, _evt->y, _evt->width, _evt->height);
+                    }
+                } break;
+
+            case XCB_MAP_NOTIFY: {
+                    xcb_map_notify_event_t *_evt = (xcb_map_notify_event_t *)evt;
+                    DBG_PRINT( "X11: event . MapNotify call Event %p, Window %p, override_redirect %d, child-event: %d\n", 
+                        (void*)(intptr_t)_evt->event, (void*)(intptr_t)_evt->window, (int)_evt->override_redirect,
+                        _evt->event!=_evt->window);
+                    if( _evt->event == _evt->window ) {
+                        // ignore child window notification
+                        (*env)->CallVoidMethod(env, jwindow, visibleChangedID, JNI_TRUE);
+                    }
+                } break;
+
+            case XCB_UNMAP_NOTIFY: {
+                    xcb_unmap_notify_event_t *_evt = (xcb_unmap_notify_event_t *)evt;
+                    DBG_PRINT( "X11: event . UnmapNotify call Event %p, Window %p, child-event: %d\n", 
+                        (void*)(intptr_t)_evt->event, (void*)(intptr_t)_evt->window,
+                        _evt->event!=_evt->window);
+                    if( _evt->event == _evt->window ) {
+                        // ignore child window notification
+                        (*env)->CallVoidMethod(env, jwindow, visibleChangedID, JNI_FALSE);
+                    }
+                } break;
+                /*
+
+            case ReparentNotify:
+                {
+                    jlong parentResult; // 0 if root, otherwise proper value
+                    Window winRoot, winTopParent;
+                    #ifdef VERBOSE_ON
+                        Window oldParentRoot, oldParentTopParent;
+                        Window parentRoot, parentTopParent;
+                        if( 0 == NewtWindows_getRootAndParent(dpy, evt.xreparent.event, &oldParentRoot, &oldParentTopParent) ) {
+                            oldParentRoot=0; oldParentTopParent = 0;
+                        }
+                        if( 0 == NewtWindows_getRootAndParent(dpy, evt.xreparent.parent, &parentRoot, &parentTopParent) ) {
+                            parentRoot=0; parentTopParent = 0;
+                        }
+                    #endif
+                    if( 0 == NewtWindows_getRootAndParent(dpy, evt.xreparent.window, &winRoot, &winTopParent) ) {
+                        winRoot=0; winTopParent = 0;
+                    }
+                    if(evt.xreparent.parent == winRoot) {
+                        parentResult = 0; // our java indicator for root window
+                    } else {
+                        parentResult = (jlong) (intptr_t) evt.xreparent.parent;
+                    }
+                    #ifdef VERBOSE_ON
+                        DBG_PRINT( "X11: event . ReparentNotify: call OldParent %p (root %p, top %p), NewParent %p (root %p, top %p), Window %p (root %p, top %p)\n", 
+                            (void*)evt.xreparent.event, (void*)oldParentRoot, (void*)oldParentTopParent,
+                            (void*)evt.xreparent.parent, (void*)parentRoot, (void*)parentTopParent,
+                            (void*)evt.xreparent.window, (void*)winRoot, (void*)winTopParent);
+                    #endif
+
+                    (*env)->CallVoidMethod(env, jwindow, windowReparentedID, parentResult);
+                }
+                break;
+                */
+
+            // unhandled events .. yet ..
+
+            default:
+                DBG_PRINT("XCB: event . unhandled %d 0x%X call %p\n", (int)xcb_event_type, (unsigned int)xcb_event_type, (void*)(intptr_t)event_window);
+        }
+        free(evt);
+    }
+}
+
+
diff --git a/src/newt/native/XCBEvent.h b/src/newt/native/XCBEvent.h
new file mode 100644
index 000000000..d70797566
--- /dev/null
+++ b/src/newt/native/XCBEvent.h
@@ -0,0 +1,10 @@
+
+#ifndef _XCBEvent_h
+#define _XCBEvent_h
+
+#include "X11Common.h"
+
+extern void XCBSetEventQueueOwner(Display *dpy);
+extern void XCBEventPoll(JNIEnv *env, jobject obj, Display *dpy, jlong javaObjectAtom, jlong wmDeleteAtom);
+
+#endif /* _XCBDisplayXCBEvent_h */