X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/1b0fb34be895a9596131233edd1bf68b10c052b4..3a4cf8a84d9a41c63125c1c1cdd6d0fbb98f41f0:/src/x11/evtloop.cpp diff --git a/src/x11/evtloop.cpp b/src/x11/evtloop.cpp index da6b8f6d82..9c9d699571 100644 --- a/src/x11/evtloop.cpp +++ b/src/x11/evtloop.cpp @@ -1,12 +1,11 @@ /////////////////////////////////////////////////////////////////////////////// -// Name: x11/evtloop.cpp +// Name: src/x11/evtloop.cpp // Purpose: implements wxEventLoop for X11 // Author: Julian Smart // Modified by: // Created: 01.06.01 -// RCS-ID: $Id$ // Copyright: (c) 2002 Julian Smart -// License: wxWindows licence +// Licence: wxWindows licence /////////////////////////////////////////////////////////////////////////////// // ============================================================================ @@ -17,17 +16,34 @@ // 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" +#ifndef WX_PRECOMP + #include "wx/hash.h" + #include "wx/app.h" + #include "wx/window.h" + #include "wx/module.h" +#endif + +#include "wx/private/fdiodispatcher.h" +#include "wx/unix/private.h" #include "wx/x11/private.h" -#include "X11/Xlib.h" +#include "wx/generic/private/timer.h" + +#if wxUSE_THREADS + #include "wx/thread.h" +#endif + +#include +#include +#include + +#ifdef HAVE_SYS_SELECT_H +# include +#endif // ---------------------------------------------------------------------------- // wxEventLoopImpl @@ -37,12 +53,12 @@ class WXDLLEXPORT wxEventLoopImpl { public: // ctor - wxEventLoopImpl() { SetExitCode(0); m_keepGoing = FALSE; } + 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 + // generate an idle message, return true if more idle time requested bool SendIdleEvent(); // set/get the exit code @@ -50,9 +66,9 @@ 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 PreProcessMessage(XEvent* event); + bool PreProcessEvent(XEvent* event); // the exit code of the event loop int m_exitcode; @@ -68,43 +84,22 @@ 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); - } -} - -bool wxEventLoopImpl::PreProcessEvent(XEvent *event) -{ - // TODO -#if 0 - HWND hWnd = msg->hwnd; - wxWindow *wndThis = wxGetWindowFromHWND((WXHWND)hWnd); - + if ( PreProcessEvent(event) ) + return true; - // try translations first; find the youngest window with a translation - // table. - wxWindow *wnd; - for ( wnd = wndThis; wnd; wnd = wnd->GetParent() ) - { - if ( wnd->MSWTranslateMessage((WXMSG *)msg) ) - return TRUE; - } + // if it wasn't done, dispatch it to the corresponding window + if (wxTheApp) + return wxTheApp->ProcessXEvent((WXEvent*) event); - // Anyone for a non-translation message? Try youngest descendants first. - for ( wnd = wndThis; wnd; wnd = wnd->GetParent() ) - { - if ( wnd->MSWProcessMessage((WXMSG *)msg) ) - return TRUE; - } -#endif + return false; +} - return FALSE; +bool wxEventLoopImpl::PreProcessEvent(XEvent *WXUNUSED(event)) +{ + return false; } // ---------------------------------------------------------------------------- @@ -113,62 +108,38 @@ 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 // ---------------------------------------------------------------------------- -wxEventLoop::~wxEventLoop() -{ - wxASSERT_MSG( !m_impl, _T("should have been deleted in Run()") ); -} - -bool wxEventLoop::IsRunning() const +wxGUIEventLoop::~wxGUIEventLoop() { - return m_impl != NULL; + wxASSERT_MSG( !m_impl, wxT("should have been deleted in Run()") ); } -int wxEventLoop::Run() +int wxGUIEventLoop::DoRun() { - // 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; + m_impl->m_keepGoing = true; while ( m_impl->m_keepGoing ) { -#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() ) { +#if wxUSE_TIMER + wxGenericTimerImpl::NotifyTimers(); // TODO: is this the correct place for it? +#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; } @@ -182,41 +153,121 @@ int wxEventLoop::Run() } } - int exitcode = m_impl->GetExitCode(); - delete m_impl; - m_impl = NULL; + OnExit(); - ms_activeLoop = oldLoop; + int exitcode = m_impl->GetExitCode(); + wxDELETE(m_impl); return exitcode; } -void wxEventLoop::Exit(int rc) +void wxGUIEventLoop::ScheduleExit(int rc) { - wxCHECK_RET( IsRunning(), _T("can't call Exit() if not running") ); - - m_impl->SetExitCode(rc); - m_impl->m_keepGoing = FALSE; + if ( m_impl ) + { + m_impl->SetExitCode(rc); + m_impl->m_keepGoing = false; + } } // ---------------------------------------------------------------------------- // wxEventLoop message processing dispatching // ---------------------------------------------------------------------------- -bool wxEventLoop::Pending() const +bool wxGUIEventLoop::Pending() const { - XFlush(wxGetDisplay()); - return (XPending(wxGetDisplay()) > 0); + XFlush( wxGlobalDisplay() ); + return (XPending( wxGlobalDisplay() ) > 0); } -bool wxEventLoop::Dispatch() +bool wxGUIEventLoop::Dispatch() { + // see comment in wxEventLoopManual::ProcessEvents() + if ( wxTheApp ) + wxTheApp->ProcessPendingEvents(); + XEvent event; // TODO allowing for threads, as per e.g. wxMSW - XNextEvent(wxGetDisplay(), & event); - 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: + wxFDIODispatcher::DispatchPending(); +#endif + + (void) m_impl->ProcessEvent( &event ); + return true; } +bool wxGUIEventLoop::YieldFor(long eventsToProcess) +{ + // Sometimes only 2 yields seem + // to do the trick, e.g. in the + // progress dialog + int i; + for (i = 0; i < 2; i++) + { + m_isInsideYield = true; + m_eventsToProcessInsideYield = eventsToProcess; + + // Call dispatch at least once so that sockets + // can be tested + wxTheApp->Dispatch(); + + // TODO: implement event filtering using the eventsToProcess mask + while (wxTheApp && wxTheApp->Pending()) + wxTheApp->Dispatch(); + +#if wxUSE_TIMER + wxGenericTimerImpl::NotifyTimers(); +#endif + ProcessIdle(); + + m_isInsideYield = false; + } + + return true; +}