X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/77fb1a02aac56528bbf3229af32634cc02795906..9f01395e41a6e4c7360e9bdc5b6232238cbf95c2:/src/msw/evtloop.cpp diff --git a/src/msw/evtloop.cpp b/src/msw/evtloop.cpp index 2b6dd09984..805fb95ef4 100644 --- a/src/msw/evtloop.cpp +++ b/src/msw/evtloop.cpp @@ -52,7 +52,6 @@ // wxEventLoop implementation // ============================================================================ -wxEventLoop *wxEventLoopBase::ms_activeLoop = NULL; wxWindowMSW *wxEventLoop::ms_winCritical = NULL; // ---------------------------------------------------------------------------- @@ -179,7 +178,7 @@ bool wxEventLoop::PreProcessMessage(WXMSG *msg) if ( wnd->MSWProcessMessage((WXMSG *)msg) ) return true; } - + // Stop at first top level window (as per comment above). // If we don't do this, pressing ESC on a modal dialog shown as child of a modal // dialog with wxID_CANCEL will cause the parent dialog to be closed, for example @@ -195,106 +194,19 @@ bool wxEventLoop::PreProcessMessage(WXMSG *msg) // wxEventLoop running and exiting // ---------------------------------------------------------------------------- -int wxEventLoop::Run() -{ - // event loops are not recursive, you need to create another loop! - wxCHECK_MSG( !IsRunning(), -1, _T("can't reenter a message loop") ); - - // ProcessIdle() and Dispatch() 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 - // 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) -#if wxUSE_EXCEPTIONS - for ( ;; ) - { - try - { -#endif // wxUSE_EXCEPTIONS - - // this is the event loop itself - for ( ;; ) - { - #if wxUSE_THREADS - wxMutexGuiLeaveOrEnter(); - #endif // wxUSE_THREADS - - // generate and process idle events for as long as we don't - // have anything else to do - while ( !Pending() && (wxTheApp && wxTheApp->ProcessIdle()) ) - ; - - // if the "should exit" flag is set, the loop should terminate - // but not before processing any remaining messages so while - // Pending() returns true, do process them - if ( m_shouldExit ) - { - while ( Pending() ) - Dispatch(); - - break; - } - - // a message came or no more idle processing to do, sit in - // Dispatch() waiting for the next message - if ( !Dispatch() ) - { - // we got WM_QUIT - break; - } - } - -#if wxUSE_EXCEPTIONS - // exit the outer loop as well - break; - } - catch ( ... ) - { - try - { - if ( !wxTheApp || !wxTheApp->OnExceptionInMainLoop() ) - { - OnExit(); - break; - } - //else: continue running the event loop - } - catch ( ... ) - { - // OnException() throwed, possibly rethrowing the same - // exception again: very good, but we still need OnExit() to - // be called - OnExit(); - throw; - } - } - } -#endif // wxUSE_EXCEPTIONS +// ---------------------------------------------------------------------------- +// wxEventLoopManual customization +// ---------------------------------------------------------------------------- - return m_exitcode; +void wxEventLoop::OnNextIteration() +{ +#if wxUSE_THREADS + wxMutexGuiLeaveOrEnter(); +#endif // wxUSE_THREADS } -void wxEventLoop::Exit(int rc) +void wxEventLoop::WakeUp() { - wxCHECK_RET( IsRunning(), _T("can't call Exit() if not running") ); - - m_exitcode = rc; - m_shouldExit = true; - - OnExit(); - - // all we have to do to exit from the loop is to (maybe) wake it up so that - // it can notice that Exit() had been called - // - // in particular, we do *not* use PostQuitMessage() here because we're not - // sure that WM_QUIT is going to be processed by the correct event loop: it - // is possible that another one is started before this one has a chance to - // process WM_QUIT ::PostMessage(NULL, WM_NULL, 0, 0); }