/** Main JWM event loop. */
void EventLoop(void)
{
XEvent event;
TimeType start;
/* Loop processing events until it's time to exit. */
while(JLIKELY(!shouldExit)) {
if(JLIKELY(WaitForEvent(&event))) {
ProcessEvent(&event);
}
}
/* Process events one last time. */
GetCurrentTime(&start);
for(;;) {
if(JXPending(display) == 0) {
if(!IsSwallowPending()) {
break;
} else {
TimeType now;
GetCurrentTime(&now);
if(GetTimeDifference(&start, &now) > RESTART_DELAY) {
break;
}
}
}
if(WaitForEvent(&event)) {
ProcessEvent(&event);
}
}
}
/** Wait for an event and process it. */
char WaitForEvent(XEvent *event)
{
struct timeval timeout;
CallbackNode *cp;
fd_set fds;
long sleepTime;
int fd;
char handled;
#ifdef ConnectionNumber
fd = ConnectionNumber(display);
#else
fd = JXConnectionNumber(display);
#endif
/* Compute how long we should sleep. */
sleepTime = 10 * 1000; /* 10 seconds. */
for(cp = callbacks; cp; cp = cp->next) {
if(cp->freq > 0 && cp->freq < sleepTime) {
sleepTime = cp->freq;
}
}
do {
if(restack_pending) {
RestackClients();
restack_pending = 0;
}
if(task_update_pending) {
UpdateTaskBar();
task_update_pending = 0;
}
if(pager_update_pending) {
UpdatePager();
pager_update_pending = 0;
}
while(JXPending(display) == 0) {
FD_ZERO(&fds);
FD_SET(fd, &fds);
timeout.tv_sec = sleepTime / 1000;
timeout.tv_usec = (sleepTime % 1000) * 1000;
if(select(fd + 1, &fds, NULL, NULL, &timeout) <= 0) {
Signal();
}
if(JUNLIKELY(shouldExit)) {
return 0;
}
}
Signal();
JXNextEvent(display, event);
UpdateTime(event);
switch(event->type) {
case ConfigureRequest:
HandleConfigureRequest(&event->xconfigurerequest);
handled = 1;
break;
case MapRequest:
HandleMapRequest(&event->xmap);
handled = 1;
break;
case PropertyNotify:
handled = HandlePropertyNotify(&event->xproperty);
break;
case ClientMessage:
HandleClientMessage(&event->xclient);
handled = 1;
break;
case UnmapNotify:
HandleUnmapNotify(&event->xunmap);
handled = 1;
break;
case Expose:
handled = HandleExpose(&event->xexpose);
break;
case ColormapNotify:
HandleColormapChange(&event->xcolormap);
handled = 1;
break;
case DestroyNotify:
handled = HandleDestroyNotify(&event->xdestroywindow);
break;
case SelectionClear:
handled = HandleSelectionClear(&event->xselectionclear);
break;
case ResizeRequest:
handled = HandleDockResizeRequest(&event->xresizerequest);
break;
case MotionNotify:
SetMousePosition(event->xmotion.x_root, event->xmotion.y_root,
event->xmotion.window);
handled = 0;
break;
case ButtonPress:
case ButtonRelease:
SetMousePosition(event->xbutton.x_root, event->xbutton.y_root,
event->xbutton.window);
handled = 0;
break;
case EnterNotify:
SetMousePosition(event->xcrossing.x_root, event->xcrossing.y_root,
event->xcrossing.window);
handled = 0;
break;
case LeaveNotify:
SetMousePosition(event->xcrossing.x_root, event->xcrossing.y_root,
None);
handled = 0;
break;
case ReparentNotify:
HandleDockReparentNotify(&event->xreparent);
handled = 1;
break;
case ConfigureNotify:
handled = HandleConfigureNotify(&event->xconfigure);
break;
case CreateNotify:
case MapNotify:
case GraphicsExpose:
case NoExpose:
handled = 1;
break;
default:
if(0) {
#ifdef USE_SHAPE
} else if(haveShape && event->type == shapeEvent) {
HandleShapeEvent((XShapeEvent*)event);
handled = 1;
#endif
} else {
handled = 0;
}
break;
}
if(!handled) {
handled = ProcessTrayEvent(event);
}
if(!handled) {
handled = ProcessDialogEvent(event);
}
if(!handled) {
handled = ProcessSwallowEvent(event);
}
if(!handled) {
handled = ProcessPopupEvent(event);
}
} while(handled && JLIKELY(!shouldExit));
return !handled;
}
/** Wait for an event and process it. */
void WaitForEvent(XEvent *event) {
struct timeval timeout;
fd_set fds;
int fd;
int handled;
fd = JXConnectionNumber(display);
do {
while(JXPending(display) == 0) {
FD_ZERO(&fds);
FD_SET(fd, &fds);
timeout.tv_usec = 0;
timeout.tv_sec = 1;
if(select(fd + 1, &fds, NULL, NULL, &timeout) <= 0) {
Signal();
}
}
Signal();
JXNextEvent(display, event);
switch(event->type) {
case ConfigureRequest:
HandleConfigureRequest(&event->xconfigurerequest);
handled = 1;
break;
case MapRequest:
HandleMapRequest(&event->xmap);
handled = 1;
break;
case PropertyNotify:
handled = HandlePropertyNotify(&event->xproperty);
break;
case ClientMessage:
HandleClientMessage(&event->xclient);
handled = 1;
break;
case UnmapNotify:
HandleUnmapNotify(&event->xunmap);
handled = 1;
break;
case Expose:
handled = HandleExpose(&event->xexpose);
break;
case ColormapNotify:
HandleColormapChange(&event->xcolormap);
handled = 1;
break;
case DestroyNotify:
handled = HandleDestroyNotify(&event->xdestroywindow);
break;
case SelectionClear:
handled = HandleSelectionClear(&event->xselectionclear);
break;
case ResizeRequest:
handled = HandleDockResizeRequest(&event->xresizerequest);
break;
case MotionNotify:
SetMousePosition(event->xmotion.x_root, event->xmotion.y_root);
handled = 0;
break;
case ReparentNotify:
HandleDockReparentNotify(&event->xreparent);
handled = 1;
break;
case ConfigureNotify:
handled = 0;
break;
case CreateNotify:
case MapNotify:
case GraphicsExpose:
case NoExpose:
handled = 1;
break;
default:
#ifdef USE_SHAPE
if(haveShape && event->type == shapeEvent) {
HandleShapeEvent((XShapeEvent*)event);
handled = 1;
} else {
handled = 0;
}
#else
handled = 0;
#endif
break;
}
if(!handled) {
handled = ProcessTrayEvent(event);
}
if(!handled) {
handled = ProcessDialogEvent(event);
}
if(!handled) {
handled = ProcessSwallowEvent(event);
}
if(!handled) {
handled = ProcessPopupEvent(event);
}
} while(handled && !shouldExit);
}