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, 314 insertions, 0 deletions

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);
+    }
+}
+
+