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.

1 files changed, 312 insertions, 0 deletions

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);
+        }
+    }
+}