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#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, 0.0f /*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, 0.0f /*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, 0.0f /*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, 0.0f /*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, 0.0f /*rotation*/);
#else
(*env)->CallVoidMethod(env, jwindow, enqueueMouseEventID, JNI_FALSE, (jint) EVENT_MOUSE_MOVED,
modifiers,
(jint) _evt->event_x, (jint) _evt->event_y, (jint)0, 0.0f /*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);
}
}
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