X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/7266b6723573ce6317577226cb1e5d32826e24e8..1978421a6d8b81c1f8a961da4b8ddf544fec7b1b:/src/x11/evtloop.cpp diff --git a/src/x11/evtloop.cpp b/src/x11/evtloop.cpp index da51dca79e..0ac0eafb21 100644 --- a/src/x11/evtloop.cpp +++ b/src/x11/evtloop.cpp @@ -17,7 +17,7 @@ // headers // ---------------------------------------------------------------------------- -#ifdef __GNUG__ +#if defined(__GNUG__) && !defined(NO_GCC_PRAGMA) #pragma implementation "evtloop.h" #endif @@ -28,9 +28,227 @@ #if wxUSE_THREADS #include "wx/thread.h" #endif +#include "wx/timer.h" +#include "wx/hash.h" +#include "wx/module.h" #include "wx/x11/private.h" #include "X11/Xlib.h" +#include +#include + +#if wxUSE_SOCKETS +// ---------------------------------------------------------------------------- +// wxSocketTable +// ---------------------------------------------------------------------------- + +typedef void (*wxSocketCallback) (int fd, void* data); + +class wxSocketTableEntry: public wxObject +{ + public: + wxSocketTableEntry() + { + m_fdInput = -1; m_fdOutput = -1; + m_callbackInput = NULL; m_callbackOutput = NULL; + m_dataInput = NULL; m_dataOutput = NULL; + } + + int m_fdInput; + int m_fdOutput; + wxSocketCallback m_callbackInput; + wxSocketCallback m_callbackOutput; + void* m_dataInput; + void* m_dataOutput; +}; + +typedef enum +{ wxSocketTableInput, wxSocketTableOutput } wxSocketTableType ; + +class wxSocketTable: public wxHashTable +{ + public: + wxSocketTable(): wxHashTable(wxKEY_INTEGER) + { + } + ~wxSocketTable() + { + WX_CLEAR_HASH_TABLE(*this) + } + + wxSocketTableEntry* FindEntry(int fd); + + void RegisterCallback(int fd, wxSocketTableType socketType, wxSocketCallback callback, void* data); + + void UnregisterCallback(int fd, wxSocketTableType socketType); + + bool CallCallback(int fd, wxSocketTableType socketType); + + void FillSets(fd_set* readset, fd_set* writeset, int* highest); + + void ProcessEvents(fd_set* readset, fd_set* writeset); +}; + +wxSocketTableEntry* wxSocketTable::FindEntry(int fd) +{ + wxSocketTableEntry* entry = (wxSocketTableEntry*) Get(fd); + return entry; +} + +void wxSocketTable::RegisterCallback(int fd, wxSocketTableType socketType, wxSocketCallback callback, void* data) +{ + wxSocketTableEntry* entry = FindEntry(fd); + if (!entry) + { + entry = new wxSocketTableEntry(); + Put(fd, entry); + } + + if (socketType == wxSocketTableInput) + { + entry->m_fdInput = fd; + entry->m_dataInput = data; + entry->m_callbackInput = callback; + } + else + { + entry->m_fdOutput = fd; + entry->m_dataOutput = data; + entry->m_callbackOutput = callback; + } +} + +void wxSocketTable::UnregisterCallback(int fd, wxSocketTableType socketType) +{ + wxSocketTableEntry* entry = FindEntry(fd); + if (entry) + { + if (socketType == wxSocketTableInput) + { + entry->m_fdInput = -1; + entry->m_dataInput = NULL; + entry->m_callbackInput = NULL; + } + else + { + entry->m_fdOutput = -1; + entry->m_dataOutput = NULL; + entry->m_callbackOutput = NULL; + } + if (entry->m_fdInput == -1 && entry->m_fdOutput == -1) + { + Delete(fd); + delete entry; + } + } +} + +bool wxSocketTable::CallCallback(int fd, wxSocketTableType socketType) +{ + wxSocketTableEntry* entry = FindEntry(fd); + if (entry) + { + if (socketType == wxSocketTableInput) + { + if (entry->m_fdInput != -1 && entry->m_callbackInput) + { + (entry->m_callbackInput) (entry->m_fdInput, entry->m_dataInput); + } + } + else + { + if (entry->m_fdOutput != -1 && entry->m_callbackOutput) + { + (entry->m_callbackOutput) (entry->m_fdOutput, entry->m_dataOutput); + } + } + return TRUE; + } + else + return FALSE; +} + +void wxSocketTable::FillSets(fd_set* readset, fd_set* writeset, int* highest) +{ + BeginFind(); + wxHashTable::compatibility_iterator node = Next(); + while (node) + { + wxSocketTableEntry* entry = (wxSocketTableEntry*) node->GetData(); + + if (entry->m_fdInput != -1) + { + FD_SET(entry->m_fdInput, readset); + if (entry->m_fdInput > *highest) + * highest = entry->m_fdInput; + } + + if (entry->m_fdOutput != -1) + { + FD_SET(entry->m_fdOutput, writeset); + if (entry->m_fdOutput > *highest) + * highest = entry->m_fdOutput; + } + + node = Next(); + } +} + +void wxSocketTable::ProcessEvents(fd_set* readset, fd_set* writeset) +{ + BeginFind(); + wxHashTable::compatibility_iterator node = Next(); + while (node) + { + wxSocketTableEntry* entry = (wxSocketTableEntry*) node->GetData(); + + if (entry->m_fdInput != -1 && FD_ISSET(entry->m_fdInput, readset)) + { + (entry->m_callbackInput) (entry->m_fdInput, entry->m_dataInput); + } + + if (entry->m_fdOutput != -1 && FD_ISSET(entry->m_fdOutput, writeset)) + { + (entry->m_callbackOutput) (entry->m_fdOutput, entry->m_dataOutput); + } + + node = Next(); + } +} + +wxSocketTable* wxTheSocketTable = NULL; + +class wxSocketTableModule: public wxModule +{ +DECLARE_DYNAMIC_CLASS(wxSocketTableModule) +public: + wxSocketTableModule() {} + bool OnInit() { wxTheSocketTable = new wxSocketTable; return TRUE; }; + void OnExit() { delete wxTheSocketTable; wxTheSocketTable = NULL; }; +}; + +IMPLEMENT_DYNAMIC_CLASS(wxSocketTableModule, wxModule) + +// Implement registration functions as C functions so they +// can be called from gsock11.c + +extern "C" void wxRegisterSocketCallback(int fd, wxSocketTableType socketType, wxSocketCallback callback, void* data) +{ + if (wxTheSocketTable) + { + wxTheSocketTable->RegisterCallback(fd, socketType, callback, data); + } +} + +extern "C" void wxUnregisterSocketCallback(int fd, wxSocketTableType socketType) +{ + if (wxTheSocketTable) + { + wxTheSocketTable->UnregisterCallback(fd, socketType); + } +} +#endif + // ---------------------------------------------------------------------------- // wxEventLoopImpl // ---------------------------------------------------------------------------- @@ -41,8 +259,8 @@ public: // ctor wxEventLoopImpl() { SetExitCode(0); m_keepGoing = FALSE; } - // process an XEvent - void ProcessEvent(XEvent* event); + // process an XEvent, return TRUE if it was processed + bool ProcessEvent(XEvent* event); // generate an idle message, return TRUE if more idle time requested bool SendIdleEvent(); @@ -70,15 +288,17 @@ public: // wxEventLoopImpl message processing // ---------------------------------------------------------------------------- -void wxEventLoopImpl::ProcessEvent(XEvent *event) +bool wxEventLoopImpl::ProcessEvent(XEvent *event) { // give us the chance to preprocess the message first - if ( !PreProcessEvent(event) ) - { - // if it wasn't done, dispatch it to the corresponding window - if (wxTheApp) - wxTheApp->ProcessXEvent((WXEvent*) event); - } + if ( PreProcessEvent(event) ) + return TRUE; + + // if it wasn't done, dispatch it to the corresponding window + if (wxTheApp) + return wxTheApp->ProcessXEvent((WXEvent*) event); + + return FALSE; } bool wxEventLoopImpl::PreProcessEvent(XEvent *event) @@ -115,10 +335,7 @@ bool wxEventLoopImpl::PreProcessEvent(XEvent *event) bool wxEventLoopImpl::SendIdleEvent() { - wxIdleEvent event; - event.SetEventObject(wxTheApp); - - return wxTheApp->ProcessEvent(event) && event.MoreRequested(); + return wxTheApp->ProcessIdle(); } // ============================================================================ @@ -155,13 +372,16 @@ int wxEventLoop::Run() while ( m_impl->m_keepGoing ) { #if 0 // wxUSE_THREADS - wxMutexGuiLeaveOrEnter(); + wxMutexGuiLeaveOrEnter(); #endif // wxUSE_THREADS // generate and process idle events for as long as we don't have // anything else to do while ( ! Pending() ) { +#if wxUSE_TIMER + wxTimer::NotifyTimers(); // TODO: is this the correct place for it? +#endif if (!m_impl->SendIdleEvent()) { #if 0 // wxUSE_THREADS @@ -207,8 +427,8 @@ void wxEventLoop::Exit(int rc) bool wxEventLoop::Pending() const { - XFlush((Display*) wxGetDisplay()); - return (XPending((Display*) wxGetDisplay()) > 0); + XFlush( wxGlobalDisplay() ); + return (XPending( wxGlobalDisplay() ) > 0); } bool wxEventLoop::Dispatch() @@ -217,8 +437,70 @@ bool wxEventLoop::Dispatch() // TODO allowing for threads, as per e.g. wxMSW - XNextEvent((Display*) wxGetDisplay(), & event); - m_impl->ProcessEvent(& event); + // This now waits until either an X event is received, + // or the select times out. So we should now process + // wxTimers in a reasonably timely fashion. However it + // does also mean that idle processing will happen more + // often, so we should probably limit idle processing to + // not be repeated more than every N milliseconds. + + if (XPending( wxGlobalDisplay() ) == 0) + { +#if wxUSE_NANOX + GR_TIMEOUT timeout = 10; // Milliseconds + // Wait for next event, or timeout + GrGetNextEventTimeout(& event, timeout); + + // Fall through to ProcessEvent. + // we'll assume that ProcessEvent will just ignore + // the event if there was a timeout and no event. + +#else + struct timeval tv; + tv.tv_sec=0; + tv.tv_usec=10000; // TODO make this configurable + int fd = ConnectionNumber( wxGlobalDisplay() ); + + fd_set readset; + fd_set writeset; + int highest = fd; + FD_ZERO(&readset); + FD_ZERO(&writeset); + + FD_SET(fd, &readset); + +#if wxUSE_SOCKETS + if (wxTheSocketTable) + wxTheSocketTable->FillSets( &readset, &writeset, &highest ); +#endif + + if (select( highest+1, &readset, &writeset, NULL, &tv ) == 0) + { + // Timed out, so no event to process + return TRUE; + } + else + { + // An X11 event was pending, so get it + if (FD_ISSET( fd, &readset )) + XNextEvent( wxGlobalDisplay(), &event ); + +#if wxUSE_SOCKETS + // Check if any socket events were pending, + // and if so, call their callbacks + if (wxTheSocketTable) + wxTheSocketTable->ProcessEvents( &readset, &writeset ); +#endif + } +#endif + } + else + { + XNextEvent( wxGlobalDisplay(), &event ); + } + + + (void) m_impl->ProcessEvent( &event ); return TRUE; }