X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/223d09f6b523aac674ef9b72a883dfa8d37c5d4e..848bc5ba1888bfa9fcbf5719b68a155ece28d7f6:/src/common/event.cpp diff --git a/src/common/event.cpp b/src/common/event.cpp index c20371c475..fb953f101a 100644 --- a/src/common/event.cpp +++ b/src/common/event.cpp @@ -9,6 +9,14 @@ // Licence: wxWindows licence ///////////////////////////////////////////////////////////////////////////// +// ============================================================================ +// declarations +// ============================================================================ + +// ---------------------------------------------------------------------------- +// headers +// ---------------------------------------------------------------------------- + #ifdef __GNUG__ #pragma implementation "event.h" #endif @@ -38,6 +46,10 @@ #include "wx/validate.h" #endif // wxUSE_GUI +// ---------------------------------------------------------------------------- +// wxWin macros +// ---------------------------------------------------------------------------- + #if !USE_SHARED_LIBRARY IMPLEMENT_DYNAMIC_CLASS(wxEvtHandler, wxObject) IMPLEMENT_ABSTRACT_CLASS(wxEvent, wxObject) @@ -84,12 +96,26 @@ #endif // !USE_SHARED_LIBRARY +// ---------------------------------------------------------------------------- +// global variables +// ---------------------------------------------------------------------------- + +// To put pending event handlers +wxList *wxPendingEvents = (wxList *)NULL; + #if wxUSE_THREADS -/* To put pending event handlers */ -extern wxList *wxPendingEvents; -extern wxCriticalSection *wxPendingEventsLocker; + // protects wxPendingEvents list + wxCriticalSection *wxPendingEventsLocker = (wxCriticalSection *)NULL; #endif +// ============================================================================ +// implementation +// ============================================================================ + +// ---------------------------------------------------------------------------- +// wxEvent +// ---------------------------------------------------------------------------- + /* * General wxWindows events, covering * all interesting things that might happen (button clicking, resizing, @@ -295,7 +321,7 @@ bool wxMouseEvent::Button(int but) const { switch (but) { case -1: - return (ButtonUp(-1) || ButtonDown(-1) || ButtonDClick(-1)) ; + return (ButtonUp(-1) || ButtonDown(-1) || ButtonDClick(-1)); case 1: return (LeftDown() || LeftUp() || LeftDClick()); case 2: @@ -514,10 +540,12 @@ wxEvtHandler::wxEvtHandler() m_enabled = TRUE; m_dynamicEvents = (wxList *) NULL; m_isWindow = FALSE; + m_pendingEvents = (wxList *) NULL; #if wxUSE_THREADS - m_eventsLocker = new wxCriticalSection(); +# if !defined(__VISAGECPP__) + m_eventsLocker = new wxCriticalSection; +# endif #endif - m_pendingEvents = (wxList *) NULL; } wxEvtHandler::~wxEvtHandler() @@ -542,63 +570,76 @@ wxEvtHandler::~wxEvtHandler() delete m_dynamicEvents; }; -#if wxUSE_THREADS - if (m_pendingEvents) - delete m_pendingEvents; + delete m_pendingEvents; +#if wxUSE_THREADS +# if !defined(__VISAGECPP__) delete m_eventsLocker; +# endif #endif } #if wxUSE_THREADS -#ifdef __WXGTK__ -extern bool g_isIdle; -extern void wxapp_install_idle_handler(); -#endif - bool wxEvtHandler::ProcessThreadEvent(wxEvent& event) { - wxEvent *event_main; +#if defined(__VISAGECPP__) + wxCriticalSectionLocker locker(m_eventsLocker); +#else wxCriticalSectionLocker locker(*m_eventsLocker); +#endif // check that we are really in a child thread - wxASSERT( !wxThread::IsMain() ); + wxASSERT_MSG( !wxThread::IsMain(), + wxT("use ProcessEvent() in main thread") ); + + AddPendingEvent(event); + + return TRUE; +} - if (m_pendingEvents == NULL) - m_pendingEvents = new wxList(); +#endif // wxUSE_THREADS - event_main = (wxEvent *)event.Clone(); +void wxEvtHandler::AddPendingEvent(wxEvent& event) +{ + if ( !m_pendingEvents ) + m_pendingEvents = new wxList; + + wxEvent *event2 = (wxEvent *)event.Clone(); + + m_pendingEvents->Append(event2); - m_pendingEvents->Append(event_main); + wxENTER_CRIT_SECT(wxPendingEventsLocker); - wxPendingEventsLocker->Enter(); + if ( !wxPendingEvents ) + wxPendingEvents = new wxList; wxPendingEvents->Append(this); - wxPendingEventsLocker->Leave(); - // TODO: Wake up idle handler for the other platforms. -#ifdef __WXGTK__ - if (g_isIdle) - wxapp_install_idle_handler(); -#endif + wxLEAVE_CRIT_SECT(wxPendingEventsLocker); - return TRUE; + wxWakeUpIdle(); } void wxEvtHandler::ProcessPendingEvents() { - wxCriticalSectionLocker locker(*m_eventsLocker); +#if defined(__VISAGECPP__) + wxCRIT_SECT_LOCKER(locker, &m_eventsLocker); +#else + wxCRIT_SECT_LOCKER(locker, m_eventsLocker); +#endif + wxNode *node = m_pendingEvents->First(); wxEvent *event; - while (node != NULL) { - event = (wxEvent *)node->Data(); - ProcessEvent(*event); - delete node; - node = m_pendingEvents->First(); + while ( node ) + { + event = (wxEvent *)node->Data(); + ProcessEvent(*event); + delete event; + delete node; + node = m_pendingEvents->First(); } } -#endif /* * Event table stuff @@ -607,25 +648,24 @@ void wxEvtHandler::ProcessPendingEvents() bool wxEvtHandler::ProcessEvent(wxEvent& event) { #if wxUSE_GUI - /* check that our flag corresponds to reality */ + // check that our flag corresponds to reality wxASSERT( m_isWindow == IsKindOf(CLASSINFO(wxWindow)) ); #endif // wxUSE_GUI - /* An event handler can be enabled or disabled */ + // An event handler can be enabled or disabled if ( GetEvtHandlerEnabled() ) { #if wxUSE_THREADS - /* Check whether we are in a child thread. */ - if (!wxThread::IsMain()) + // Check whether we are in a child thread. + if ( !wxThread::IsMain() ) return ProcessThreadEvent(event); -#endif - /* Handle per-instance dynamic event tables first */ +#endif // wxUSE_THREADS + // Handle per-instance dynamic event tables first if ( m_dynamicEvents && SearchDynamicEventTable(event) ) return TRUE; - /* Then static per-class event tables */ - + // Then static per-class event tables const wxEventTable *table = GetEventTable(); #if wxUSE_GUI && wxUSE_VALIDATORS @@ -732,6 +772,7 @@ bool wxEvtHandler::SearchEventTable(wxEventTable& table, wxEvent& event) } return FALSE; } + void wxEvtHandler::Connect( int id, int lastId, wxEventType eventType, wxObjectEventFunction func, @@ -750,6 +791,33 @@ void wxEvtHandler::Connect( int id, int lastId, m_dynamicEvents->Append( (wxObject*) entry ); } +bool wxEvtHandler::Disconnect( int id, int lastId, wxEventType eventType, + wxObjectEventFunction func, + wxObject *userData ) +{ + if (!m_dynamicEvents) + return FALSE; + + wxNode *node = m_dynamicEvents->First(); + while (node) + { + wxEventTableEntry *entry = (wxEventTableEntry*)node->Data(); + if ((entry->m_id == id) && + ((entry->m_lastId == lastId) || (lastId == -1)) && + ((entry->m_eventType == eventType) || (eventType == wxEVT_NULL)) && + ((entry->m_fn == func) || (func == (wxObjectEventFunction)NULL)) && + ((entry->m_callbackUserData == userData) || (userData == (wxObject*)NULL))) + { + if (entry->m_callbackUserData) delete entry->m_callbackUserData; + m_dynamicEvents->DeleteNode( node ); + delete entry; + return TRUE; + } + node = node->Next(); + } + return FALSE; +} + bool wxEvtHandler::SearchDynamicEventTable( wxEvent& event ) { wxCHECK_MSG( m_dynamicEvents, FALSE,