X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/7ded318bef0a588317b97ff741695c2a4ffb18ee..7749035c4edc84ff7ad722c0de8ff1679b68976f:/src/x11/evtloop.cpp diff --git a/src/x11/evtloop.cpp b/src/x11/evtloop.cpp index 483c4683f0..ed86512596 100644 --- a/src/x11/evtloop.cpp +++ b/src/x11/evtloop.cpp @@ -1,5 +1,5 @@ /////////////////////////////////////////////////////////////////////////////// -// Name: x11/evtloop.cpp +// Name: src/x11/evtloop.cpp // Purpose: implements wxEventLoop for X11 // Author: Julian Smart // Modified by: @@ -17,21 +17,35 @@ // headers // ---------------------------------------------------------------------------- -#ifdef __GNUG__ - #pragma implementation "evtloop.h" -#endif +// for compilers that support precompilation, includes "wx.h". +#include "wx/wxprec.h" -#include "wx/window.h" -#include "wx/app.h" #include "wx/evtloop.h" -#include "wx/tooltip.h" -#if wxUSE_THREADS -#include "wx/thread.h" + +#ifndef WX_PRECOMP + #include "wx/hash.h" + #include "wx/app.h" + #include "wx/window.h" + #include "wx/timer.h" + #include "wx/module.h" #endif -#include "wx/timer.h" + +#include "wx/private/socketevtdispatch.h" +#include "wx/unix/private.h" #include "wx/x11/private.h" #include "X11/Xlib.h" +#if wxUSE_THREADS + #include "wx/thread.h" +#endif + +#include +#include + +#ifdef HAVE_SYS_SELECT_H +# include +#endif + // ---------------------------------------------------------------------------- // wxEventLoopImpl // ---------------------------------------------------------------------------- @@ -40,12 +54,12 @@ class WXDLLEXPORT wxEventLoopImpl { public: // ctor - wxEventLoopImpl() { SetExitCode(0); m_keepGoing = FALSE; } + wxEventLoopImpl() { SetExitCode(0); m_keepGoing = false; } - // process an XEvent, return TRUE if it was processed + // process an XEvent, return true if it was processed bool ProcessEvent(XEvent* event); - // generate an idle message, return TRUE if more idle time requested + // generate an idle message, return true if more idle time requested bool SendIdleEvent(); // set/get the exit code @@ -53,7 +67,7 @@ public: int GetExitCode() const { return m_exitcode; } public: - // preprocess an event, return TRUE if processed (i.e. no further + // preprocess an event, return true if processed (i.e. no further // dispatching required) bool PreProcessEvent(XEvent* event); @@ -75,13 +89,13 @@ bool wxEventLoopImpl::ProcessEvent(XEvent *event) { // give us the chance to preprocess the message first if ( PreProcessEvent(event) ) - return TRUE; - + return true; + // if it wasn't done, dispatch it to the corresponding window if (wxTheApp) return wxTheApp->ProcessXEvent((WXEvent*) event); - return FALSE; + return false; } bool wxEventLoopImpl::PreProcessEvent(XEvent *event) @@ -98,18 +112,18 @@ bool wxEventLoopImpl::PreProcessEvent(XEvent *event) for ( wnd = wndThis; wnd; wnd = wnd->GetParent() ) { if ( wnd->MSWTranslateMessage((WXMSG *)msg) ) - return TRUE; + return true; } // Anyone for a non-translation message? Try youngest descendants first. for ( wnd = wndThis; wnd; wnd = wnd->GetParent() ) { if ( wnd->MSWProcessMessage((WXMSG *)msg) ) - return TRUE; + return true; } #endif - return FALSE; + return false; } // ---------------------------------------------------------------------------- @@ -118,18 +132,13 @@ bool wxEventLoopImpl::PreProcessEvent(XEvent *event) bool wxEventLoopImpl::SendIdleEvent() { - wxIdleEvent event; - event.SetEventObject(wxTheApp); - - return wxTheApp->ProcessEvent(event) && event.MoreRequested(); + return wxTheApp->ProcessIdle(); } // ============================================================================ // wxEventLoop implementation // ============================================================================ -wxEventLoop *wxEventLoop::ms_activeLoop = NULL; - // ---------------------------------------------------------------------------- // wxEventLoop running and exiting // ---------------------------------------------------------------------------- @@ -139,28 +148,18 @@ wxEventLoop::~wxEventLoop() wxASSERT_MSG( !m_impl, _T("should have been deleted in Run()") ); } -bool wxEventLoop::IsRunning() const -{ - return m_impl != NULL; -} - 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") ); m_impl = new wxEventLoopImpl; - - wxEventLoop *oldLoop = ms_activeLoop; - ms_activeLoop = this; - m_impl->m_keepGoing = TRUE; + wxEventLoopActivator activate(this); + + m_impl->m_keepGoing = true; while ( m_impl->m_keepGoing ) { -#if 0 // 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() ) @@ -170,13 +169,6 @@ int wxEventLoop::Run() #endif if (!m_impl->SendIdleEvent()) { -#if wxUSE_THREADS - // leave the main loop to give other threads a chance to - // perform their GUI work - wxMutexGuiLeave(); - wxUsleep(20); - wxMutexGuiEnter(); -#endif // Break out of while loop break; } @@ -190,12 +182,12 @@ int wxEventLoop::Run() } } + OnExit(); + int exitcode = m_impl->GetExitCode(); delete m_impl; m_impl = NULL; - ms_activeLoop = oldLoop; - return exitcode; } @@ -204,7 +196,7 @@ void wxEventLoop::Exit(int rc) wxCHECK_RET( IsRunning(), _T("can't call Exit() if not running") ); m_impl->SetExitCode(rc); - m_impl->m_keepGoing = FALSE; + m_impl->m_keepGoing = false; } // ---------------------------------------------------------------------------- @@ -213,18 +205,67 @@ 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() { XEvent event; + // Start off by checking if any of our child processes have finished. + wxCheckForFinishedChildren(); + // TODO allowing for threads, as per e.g. wxMSW - XNextEvent((Display*) wxGetDisplay(), & event); - (void) m_impl->ProcessEvent(& event); - return TRUE; -} + // 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; + wxFD_ZERO(&readset); + wxFD_ZERO(&writeset); + wxFD_SET(fd, &readset); + + if (select( fd+1, &readset, &writeset, NULL, &tv ) != 0) + { + // An X11 event was pending, get it + if (wxFD_ISSET( fd, &readset )) + XNextEvent( wxGlobalDisplay(), &event ); + } +#endif + } + else + { + XNextEvent( wxGlobalDisplay(), &event ); + } + +#if wxUSE_SOCKETS + // handle any pending socket events: + wxSocketEventDispatcher::Get().RunLoop(); +#endif + + (void) m_impl->ProcessEvent( &event ); + return true; +}