int DrawWindow (void (*DrawWindowContent) (), int (*KeyPressFunction) (int))
{
XEvent Event;
XWindowAttributes Attr;
KeySym nKeySym;
int nDepth;
if ((prDisplay = XOpenDisplay(0)) == 0) return 1;
nScreenNum = DefaultScreen(prDisplay);
nWnd = XCreateSimpleWindow(prDisplay,
RootWindow(prDisplay,nScreenNum),XPos,YPos,WDef,HDef,WBorder,BlackPixel(prDisplay,nScreenNum),WhitePixel(prDisplay,nScreenNum));
if (SetWindowManagerHints(prDisplay,PClass,nWnd,WMin,HMin,WTitle,WITitle,0)) return 2;
XSelectInput(prDisplay, nWnd, ExposureMask | KeyPressMask);
XMapWindow(prDisplay, nWnd);
prGC = XCreateGC(prDisplay, nWnd, 0, 0);
if (AllocColors(prDisplay, DefaultColormap(prDisplay, nScreenNum), &rColors)) return 3;
if (CreateBitmaps(prDisplay, nWnd, prPixmap)) return 4;
if (XGetWindowAttributes(prDisplay, nWnd, &Attr))
{
nWWidth = Attr.width;
nWHeight = Attr.height;
nDepth = Attr.depth;
}
else return 5;
draw = XCreatePixmap(prDisplay, nWnd, nWWidth, nWHeight, nDepth);
if (!draw) return 4;
// message cycle
while (true)
{
XNextEvent (prDisplay, &Event);
switch (Event.type)
{
case Expose:
// if (!
HandleExpose(DrawWindowContent, Event, Attr, nDepth);
// ) return 5; break;
break;
case KeyPress: if (HandleKeyPress(KeyPressFunction, Event, nKeySym)) return 0; break;
}
while (XCheckMaskEvent(prDisplay, KeyPressMask | KeyReleaseMask, &Event));
}
return 0;
}
void MenuExpose(XEvent *event)
{
Menu *mc;
MenuItem *mi;
if(event->xexpose.count) return;
if(!XFindContext(disp, event->xexpose.window, TheScreen.MenuContext,
(XPointer *)&mi)) {
DrawItem(mi, 0);
return;
}
if(!XFindContext(disp, event->xexpose.window, TheScreen.MenuFrameContext,
(XPointer *)&mc)) {
DrawMenuFrame(mc, 0);
return;
}
HandleExpose(event);
}
void Widget::Expose( CullingTarget& target ) const {
if( m_invalidated ) {
m_invalidated = false;
m_drawable.reset( InvalidateImpl() );
if( m_drawable ) {
m_drawable->SetPosition( GetAbsolutePosition() );
}
}
if( IsVisible() ) {
if( m_drawable ) {
target.Draw( *m_drawable );
}
HandleExpose( target );
OnExpose();
}
}
/*
* entry point for the background thread
*/
wxThread::ExitCode WorkerThread::Entry()
{
bool bDone = TestDestroy();
Debug.AddLine("WorkerThread::Entry() begins");
#if defined(__WINDOWS__)
HRESULT hr = CoInitializeEx(NULL, COINIT_MULTITHREADED);
Debug.AddLine("worker thread CoInitializeEx returns %x", hr);
#endif
while (!bDone)
{
WORKER_THREAD_REQUEST message;
bool dummy;
wxMessageQueueError queueError = m_wakeupQueue.Receive(dummy);
Debug.AddLine("Worker thread wakes up");
assert(queueError == wxMSGQUEUE_NO_ERROR);
queueError = m_highPriorityQueue.ReceiveTimeout(0, message);
if (queueError == wxMSGQUEUE_TIMEOUT)
{
queueError = m_lowPriorityQueue.ReceiveTimeout(0, message);
assert(queueError != wxMSGQUEUE_TIMEOUT);
}
assert(queueError == wxMSGQUEUE_NO_ERROR);
switch(message.request)
{
bool bError;
case REQUEST_NONE:
Debug.AddLine("worker thread servicing REQUEST_NONE");
break;
case REQUEST_TERMINATE:
Debug.AddLine("worker thread servicing REQUEST_TERMINATE");
bDone = true;
break;
case REQUEST_EXPOSE:
Debug.AddLine("worker thread servicing REQUEST_EXPOSE %d",
message.args.expose.exposureDuration);
bError = HandleExpose(&message.args.expose);
SendWorkerThreadExposeComplete(message.args.expose.pImage, bError);
break;
case REQUEST_MOVE: {
Debug.AddLine(wxString::Format("worker thread servicing REQUEST_MOVE %s dir %d (%.2f, %.2f)",
message.args.move.pMount->GetMountClassName(), message.args.move.direction,
message.args.move.vectorEndpoint.X, message.args.move.vectorEndpoint.Y));
Mount::MOVE_RESULT moveResult = HandleMove(&message.args.move);
SendWorkerThreadMoveComplete(message.args.move.pMount, moveResult);
break;
}
default:
Debug.AddLine("worker thread servicing unknown request %d", message.request);
break;
}
Debug.AddLine("worker thread done servicing request");
bDone |= TestDestroy();
}
Debug.AddLine("WorkerThread::Entry() ends");
Debug.Flush();
return (wxThread::ExitCode)0;
}
/** 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);
}
