/* This is global for SDL_eventloop.c */
int SDL_PrivateAppActive(Uint8 gain, Uint8 state)
{
int posted;
Uint8 new_state;
/* Modify the current state with the given mask */
if ( gain ) {
new_state = (SDL_appstate | state);
} else {
new_state = (SDL_appstate & ~state);
}
/* Drop events that don't change state */
if ( new_state == SDL_appstate ) {
return(0);
}
/* Update internal active state */
SDL_appstate = new_state;
/* Post the event, if desired */
posted = 0;
if ( SDL_ProcessEvents[SDL_ACTIVEEVENT] == SDL_ENABLE ) {
SDL_Event event;
SDL_memset(&event, 0, sizeof(event));
event.type = SDL_ACTIVEEVENT;
event.active.gain = gain;
event.active.state = state;
if ( (SDL_EventOK == NULL) || (*SDL_EventOK)(&event) ) {
posted = 1;
SDL_PushEvent(&event);
}
}
/* If we lost keyboard focus, post key-up events */
if ( (state & SDL_APPINPUTFOCUS) && !gain ) {
SDL_ResetKeyboard();
}
/* If we were minimized, post button-up events */
if ( (state & SDL_APPACTIVE) && !gain ) {
SDL_ResetMouse();
}
return(posted);
}
static void
X11_DispatchEvent(_THIS)
{
SDL_VideoData *videodata = (SDL_VideoData *) _this->driverdata;
Display *display = videodata->display;
SDL_WindowData *data;
XEvent xevent;
int i;
SDL_zero(xevent); /* valgrind fix. --ryan. */
XNextEvent(display, &xevent);
/* filter events catchs XIM events and sends them to the correct
handler */
if (XFilterEvent(&xevent, None) == True) {
#if 0
printf("Filtered event type = %d display = %d window = %d\n",
xevent.type, xevent.xany.display, xevent.xany.window);
#endif
return;
}
/* Send a SDL_SYSWMEVENT if the application wants them */
if (SDL_GetEventState(SDL_SYSWMEVENT) == SDL_ENABLE) {
SDL_SysWMmsg wmmsg;
SDL_VERSION(&wmmsg.version);
wmmsg.subsystem = SDL_SYSWM_X11;
wmmsg.msg.x11.event = xevent;
SDL_SendSysWMEvent(&wmmsg);
}
#if SDL_VIDEO_DRIVER_X11_SUPPORTS_GENERIC_EVENTS
if(xevent.type == GenericEvent) {
X11_HandleGenericEvent(videodata,xevent);
return;
}
#endif
#if 0
printf("type = %d display = %d window = %d\n",
xevent.type, xevent.xany.display, xevent.xany.window);
#endif
data = NULL;
if (videodata && videodata->windowlist) {
for (i = 0; i < videodata->numwindows; ++i) {
if ((videodata->windowlist[i] != NULL) &&
(videodata->windowlist[i]->xwindow == xevent.xany.window)) {
data = videodata->windowlist[i];
break;
}
}
}
if (!data) {
return;
}
switch (xevent.type) {
/* Gaining mouse coverage? */
case EnterNotify:{
#ifdef DEBUG_XEVENTS
printf("window %p: EnterNotify! (%d,%d,%d)\n", data,
xevent.xcrossing.x,
xevent.xcrossing.y,
xevent.xcrossing.mode);
if (xevent.xcrossing.mode == NotifyGrab)
printf("Mode: NotifyGrab\n");
if (xevent.xcrossing.mode == NotifyUngrab)
printf("Mode: NotifyUngrab\n");
#endif
SDL_SetMouseFocus(data->window);
}
break;
/* Losing mouse coverage? */
case LeaveNotify:{
#ifdef DEBUG_XEVENTS
printf("window %p: LeaveNotify! (%d,%d,%d)\n", data,
xevent.xcrossing.x,
xevent.xcrossing.y,
xevent.xcrossing.mode);
if (xevent.xcrossing.mode == NotifyGrab)
printf("Mode: NotifyGrab\n");
if (xevent.xcrossing.mode == NotifyUngrab)
printf("Mode: NotifyUngrab\n");
#endif
if (xevent.xcrossing.mode != NotifyGrab &&
xevent.xcrossing.mode != NotifyUngrab &&
xevent.xcrossing.detail != NotifyInferior) {
SDL_SetMouseFocus(NULL);
}
}
break;
/* Gaining input focus? */
case FocusIn:{
if (xevent.xfocus.detail == NotifyInferior) {
#ifdef DEBUG_XEVENTS
printf("window %p: FocusIn (NotifierInferior, ignoring)\n", data);
#endif
break;
}
#ifdef DEBUG_XEVENTS
printf("window %p: FocusIn!\n", data);
#endif
if (data->pending_focus == PENDING_FOCUS_OUT &&
data->window == SDL_GetKeyboardFocus()) {
/* We want to reset the keyboard here, because we may have
missed keyboard messages after our previous FocusOut.
*/
SDL_ResetKeyboard();
}
data->pending_focus = PENDING_FOCUS_IN;
data->pending_focus_time = SDL_GetTicks() + PENDING_FOCUS_IN_TIME;
}
break;
/* Losing input focus? */
case FocusOut:{
if (xevent.xfocus.detail == NotifyInferior) {
/* We still have focus if a child gets focus */
#ifdef DEBUG_XEVENTS
printf("window %p: FocusOut (NotifierInferior, ignoring)\n", data);
#endif
break;
}
#ifdef DEBUG_XEVENTS
printf("window %p: FocusOut!\n", data);
#endif
data->pending_focus = PENDING_FOCUS_OUT;
data->pending_focus_time = SDL_GetTicks() + PENDING_FOCUS_OUT_TIME;
}
break;
/* Generated upon EnterWindow and FocusIn */
case KeymapNotify:{
#ifdef DEBUG_XEVENTS
printf("window %p: KeymapNotify!\n", data);
#endif
/* FIXME:
X11_SetKeyboardState(SDL_Display, xevent.xkeymap.key_vector);
*/
}
break;
/* Has the keyboard layout changed? */
case MappingNotify:{
#ifdef DEBUG_XEVENTS
printf("window %p: MappingNotify!\n", data);
#endif
X11_UpdateKeymap(_this);
}
break;
/* Key press? */
case KeyPress:{
KeyCode keycode = xevent.xkey.keycode;
KeySym keysym = NoSymbol;
char text[SDL_TEXTINPUTEVENT_TEXT_SIZE];
Status status = 0;
#ifdef DEBUG_XEVENTS
printf("window %p: KeyPress (X11 keycode = 0x%X)\n", data, xevent.xkey.keycode);
#endif
SDL_SendKeyboardKey(SDL_PRESSED, videodata->key_layout[keycode]);
#if 1
if (videodata->key_layout[keycode] == SDL_SCANCODE_UNKNOWN) {
int min_keycode, max_keycode;
XDisplayKeycodes(display, &min_keycode, &max_keycode);
#if SDL_VIDEO_DRIVER_X11_HAS_XKBKEYCODETOKEYSYM
keysym = XkbKeycodeToKeysym(display, keycode, 0, 0);
#else
keysym = XKeycodeToKeysym(display, keycode, 0);
#endif
fprintf(stderr,
"The key you just pressed is not recognized by SDL. To help get this fixed, please report this to the SDL mailing list <*****@*****.**> X11 KeyCode %d (%d), X11 KeySym 0x%lX (%s).\n",
keycode, keycode - min_keycode, keysym,
XKeysymToString(keysym));
}
#endif
/* */
SDL_zero(text);
#ifdef X_HAVE_UTF8_STRING
if (data->ic) {
Xutf8LookupString(data->ic, &xevent.xkey, text, sizeof(text),
&keysym, &status);
}
#else
XLookupString(&xevent.xkey, text, sizeof(text), &keysym, NULL);
#endif
if (*text) {
SDL_SendKeyboardText(text);
}
}
break;
/* Key release? */
case KeyRelease:{
KeyCode keycode = xevent.xkey.keycode;
#ifdef DEBUG_XEVENTS
printf("window %p: KeyRelease (X11 keycode = 0x%X)\n", data, xevent.xkey.keycode);
#endif
if (X11_KeyRepeat(display, &xevent)) {
/* We're about to get a repeated key down, ignore the key up */
break;
}
SDL_SendKeyboardKey(SDL_RELEASED, videodata->key_layout[keycode]);
}
break;
/* Have we been iconified? */
case UnmapNotify:{
#ifdef DEBUG_XEVENTS
printf("window %p: UnmapNotify!\n", data);
#endif
X11_DispatchUnmapNotify(data);
}
break;
/* Have we been restored? */
case MapNotify:{
#ifdef DEBUG_XEVENTS
printf("window %p: MapNotify!\n", data);
#endif
X11_DispatchMapNotify(data);
}
break;
/* Have we been resized or moved? */
case ConfigureNotify:{
#ifdef DEBUG_XEVENTS
printf("window %p: ConfigureNotify! (position: %d,%d, size: %dx%d)\n", data,
xevent.xconfigure.x, xevent.xconfigure.y,
xevent.xconfigure.width, xevent.xconfigure.height);
#endif
if (xevent.xconfigure.x != data->last_xconfigure.x ||
xevent.xconfigure.y != data->last_xconfigure.y) {
SDL_SendWindowEvent(data->window, SDL_WINDOWEVENT_MOVED,
xevent.xconfigure.x, xevent.xconfigure.y);
}
if (xevent.xconfigure.width != data->last_xconfigure.width ||
xevent.xconfigure.height != data->last_xconfigure.height) {
SDL_SendWindowEvent(data->window, SDL_WINDOWEVENT_RESIZED,
xevent.xconfigure.width,
xevent.xconfigure.height);
}
data->last_xconfigure = xevent.xconfigure;
}
break;
/* Have we been requested to quit (or another client message?) */
case ClientMessage:{
if ((xevent.xclient.message_type == videodata->WM_PROTOCOLS) &&
(xevent.xclient.format == 32) &&
(xevent.xclient.data.l[0] == videodata->_NET_WM_PING)) {
Window root = DefaultRootWindow(display);
#ifdef DEBUG_XEVENTS
printf("window %p: _NET_WM_PING\n", data);
#endif
xevent.xclient.window = root;
XSendEvent(display, root, False, SubstructureRedirectMask | SubstructureNotifyMask, &xevent);
break;
}
else if ((xevent.xclient.message_type == videodata->WM_PROTOCOLS) &&
(xevent.xclient.format == 32) &&
(xevent.xclient.data.l[0] == videodata->WM_DELETE_WINDOW)) {
#ifdef DEBUG_XEVENTS
printf("window %p: WM_DELETE_WINDOW\n", data);
#endif
SDL_SendWindowEvent(data->window, SDL_WINDOWEVENT_CLOSE, 0, 0);
break;
}
}
break;
/* Do we need to refresh ourselves? */
case Expose:{
#ifdef DEBUG_XEVENTS
printf("window %p: Expose (count = %d)\n", data, xevent.xexpose.count);
#endif
SDL_SendWindowEvent(data->window, SDL_WINDOWEVENT_EXPOSED, 0, 0);
}
break;
case MotionNotify:{
SDL_Mouse *mouse = SDL_GetMouse();
if(!mouse->relative_mode) {
#ifdef DEBUG_MOTION
printf("window %p: X11 motion: %d,%d\n", xevent.xmotion.x, xevent.xmotion.y);
#endif
SDL_SendMouseMotion(data->window, 0, xevent.xmotion.x, xevent.xmotion.y);
}
}
break;
case ButtonPress:{
int ticks = 0;
if (X11_IsWheelEvent(display,&xevent,&ticks) == SDL_TRUE) {
SDL_SendMouseWheel(data->window, 0, ticks);
}
else {
SDL_SendMouseButton(data->window, SDL_PRESSED, xevent.xbutton.button);
}
}
break;
case ButtonRelease:{
SDL_SendMouseButton(data->window, SDL_RELEASED, xevent.xbutton.button);
}
break;
case PropertyNotify:{
#ifdef DEBUG_XEVENTS
unsigned char *propdata;
int status, real_format;
Atom real_type;
unsigned long items_read, items_left, i;
char *name = XGetAtomName(display, xevent.xproperty.atom);
if (name) {
printf("window %p: PropertyNotify: %s %s\n", data, name, (xevent.xproperty.state == PropertyDelete) ? "deleted" : "changed");
XFree(name);
}
status = XGetWindowProperty(display, data->xwindow, xevent.xproperty.atom, 0L, 8192L, False, AnyPropertyType, &real_type, &real_format, &items_read, &items_left, &propdata);
if (status == Success && items_read > 0) {
if (real_type == XA_INTEGER) {
int *values = (int *)propdata;
printf("{");
for (i = 0; i < items_read; i++) {
printf(" %d", values[i]);
}
printf(" }\n");
} else if (real_type == XA_CARDINAL) {
if (real_format == 32) {
Uint32 *values = (Uint32 *)propdata;
printf("{");
for (i = 0; i < items_read; i++) {
printf(" %d", values[i]);
}
printf(" }\n");
} else if (real_format == 16) {
Uint16 *values = (Uint16 *)propdata;
printf("{");
for (i = 0; i < items_read; i++) {
printf(" %d", values[i]);
}
printf(" }\n");
} else if (real_format == 8) {
Uint8 *values = (Uint8 *)propdata;
printf("{");
for (i = 0; i < items_read; i++) {
printf(" %d", values[i]);
}
printf(" }\n");
}
} else if (real_type == XA_STRING ||
real_type == videodata->UTF8_STRING) {
printf("{ \"%s\" }\n", propdata);
} else if (real_type == XA_ATOM) {
Atom *atoms = (Atom *)propdata;
printf("{");
for (i = 0; i < items_read; i++) {
char *name = XGetAtomName(display, atoms[i]);
if (name) {
printf(" %s", name);
XFree(name);
}
}
printf(" }\n");
} else {
char *name = XGetAtomName(display, real_type);
printf("Unknown type: %ld (%s)\n", real_type, name ? name : "UNKNOWN");
if (name) {
XFree(name);
}
}
}
if (status == Success) {
XFree(propdata);
}
#endif /* DEBUG_XEVENTS */
if (xevent.xproperty.atom == data->videodata->_NET_WM_STATE) {
/* Get the new state from the window manager.
Compositing window managers can alter visibility of windows
without ever mapping / unmapping them, so we handle that here,
because they use the NETWM protocol to notify us of changes.
*/
Uint32 flags = X11_GetNetWMState(_this, xevent.xproperty.window);
if ((flags^data->window->flags) & SDL_WINDOW_HIDDEN) {
if (flags & SDL_WINDOW_HIDDEN) {
X11_DispatchUnmapNotify(data);
} else {
X11_DispatchMapNotify(data);
}
}
}
}
break;
/* Copy the selection from XA_CUT_BUFFER0 to the requested property */
case SelectionRequest: {
XSelectionRequestEvent *req;
XEvent sevent;
int seln_format;
unsigned long nbytes;
unsigned long overflow;
unsigned char *seln_data;
req = &xevent.xselectionrequest;
#ifdef DEBUG_XEVENTS
printf("window %p: SelectionRequest (requestor = %ld, target = %ld)\n", data,
req->requestor, req->target);
#endif
SDL_zero(sevent);
sevent.xany.type = SelectionNotify;
sevent.xselection.selection = req->selection;
sevent.xselection.target = None;
sevent.xselection.property = None;
sevent.xselection.requestor = req->requestor;
sevent.xselection.time = req->time;
if (XGetWindowProperty(display, DefaultRootWindow(display),
XA_CUT_BUFFER0, 0, INT_MAX/4, False, req->target,
&sevent.xselection.target, &seln_format, &nbytes,
&overflow, &seln_data) == Success) {
if (sevent.xselection.target == req->target) {
XChangeProperty(display, req->requestor, req->property,
sevent.xselection.target, seln_format, PropModeReplace,
seln_data, nbytes);
sevent.xselection.property = req->property;
}
XFree(seln_data);
}
XSendEvent(display, req->requestor, False, 0, &sevent);
XSync(display, False);
}
break;
case SelectionNotify: {
#ifdef DEBUG_XEVENTS
printf("window %p: SelectionNotify (requestor = %ld, target = %ld)\n", data,
xevent.xselection.requestor, xevent.xselection.target);
#endif
videodata->selection_waiting = SDL_FALSE;
}
break;
default:{
#ifdef DEBUG_XEVENTS
printf("window %p: Unhandled event %d\n", data, xevent.type);
#endif
}
break;
}
}