X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/8e40ed8535894eb47af679ad2b08e777c3605dd0..36b52591b51e425b57f60e1cbed9a51d2f5767d9:/src/common/evtloopcmn.cpp diff --git a/src/common/evtloopcmn.cpp b/src/common/evtloopcmn.cpp index 15813725a8..aa1aca9cbc 100644 --- a/src/common/evtloopcmn.cpp +++ b/src/common/evtloopcmn.cpp @@ -63,18 +63,7 @@ void wxEventLoopBase::WakeUpIdle() bool wxEventLoopBase::ProcessIdle() { - if (!wxTheApp) - return false; - - // process pending wx events before sending idle events - wxTheApp->ProcessPendingEvents(); - - // synthetize an idle event and send it to wxApp - wxIdleEvent event; - event.SetEventObject(wxTheApp); - wxTheApp->ProcessEvent(event); - - return event.MoreRequested(); + return wxTheApp && wxTheApp->ProcessIdle(); } bool wxEventLoopBase::Yield(bool onlyIfNeeded) @@ -93,7 +82,7 @@ bool wxEventLoopBase::Yield(bool onlyIfNeeded) } // wxEventLoopManual is unused in the other ports -#if defined(__WXMSW__) || defined(__WXMAC__) || defined(__WXDFB__) || (defined(__UNIX__) && wxUSE_BASE) +#if defined(__WXMSW__) || defined(__WXDFB__) || ( ( defined(__UNIX__) && !defined(__WXOSX__) ) && wxUSE_BASE) // ============================================================================ // wxEventLoopManual implementation @@ -105,18 +94,33 @@ wxEventLoopManual::wxEventLoopManual() m_shouldExit = false; } +bool wxEventLoopManual::ProcessEvents() +{ + // process pending wx events first as they correspond to low-level events + // which happened before, i.e. typically pending events were queued by a + // previous call to Dispatch() and if we didn't process them now the next + // call to it might enqueue them again (as happens with e.g. socket events + // which would be generated as long as there is input available on socket + // and this input is only removed from it when pending event handlers are + // executed) + if ( wxTheApp ) + wxTheApp->ProcessPendingEvents(); + + return Dispatch(); +} + int wxEventLoopManual::Run() { // event loops are not recursive, you need to create another loop! - wxCHECK_MSG( !IsRunning(), -1, _T("can't reenter a message loop") ); + wxCHECK_MSG( !IsRunning(), -1, wxT("can't reenter a message loop") ); - // ProcessIdle() and Dispatch() below may throw so the code here should + // ProcessIdle() and ProcessEvents() below may throw so the code here should // be exception-safe, hence we must use local objects for all actions we // should undo wxEventLoopActivator activate(this); // we must ensure that OnExit() is called even if an exception is thrown - // from inside Dispatch() but we must call it from Exit() in normal + // from inside ProcessEvents() but we must call it from Exit() in normal // situations because it is supposed to be called synchronously, // wxModalEventLoop depends on this (so we can't just use ON_BLOCK_EXIT or // something similar here) @@ -135,7 +139,7 @@ int wxEventLoopManual::Run() // generate and process idle events for as long as we don't // have anything else to do - while ( !Pending() && (wxTheApp && wxTheApp->ProcessIdle()) ) + while ( !Pending() && ProcessIdle() && !m_shouldExit ) ; // if the "should exit" flag is set, the loop should terminate @@ -144,14 +148,15 @@ int wxEventLoopManual::Run() if ( m_shouldExit ) { while ( Pending() ) - Dispatch(); + ProcessEvents(); break; } - // a message came or no more idle processing to do, sit in - // Dispatch() waiting for the next message - if ( !Dispatch() ) + // a message came or no more idle processing to do, dispatch + // all the pending events and call Dispatch() to wait for the + // next message + if ( !ProcessEvents() ) { // we got WM_QUIT break; @@ -190,7 +195,7 @@ int wxEventLoopManual::Run() void wxEventLoopManual::Exit(int rc) { - wxCHECK_RET( IsRunning(), _T("can't call Exit() if not running") ); + wxCHECK_RET( IsRunning(), wxT("can't call Exit() if not running") ); m_exitcode = rc; m_shouldExit = true;