X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/b2b9de21cbc6f61663a9dee2ab086df671f581d6..6493aacaeb7b22b9fa35c559f7753e9fec0da71f:/src/common/event.cpp diff --git a/src/common/event.cpp b/src/common/event.cpp index 5c40ecf1c8..a4f85d7d61 100644 --- a/src/common/event.cpp +++ b/src/common/event.cpp @@ -1,5 +1,5 @@ ///////////////////////////////////////////////////////////////////////////// -// Name: event.cpp +// Name: src/common/event.cpp // Purpose: Event classes // Author: Julian Smart // Modified by: @@ -17,17 +17,6 @@ // headers // ---------------------------------------------------------------------------- -#if defined(__GNUG__) && !defined(NO_GCC_PRAGMA) && !defined(__EMX__) -// Some older compilers (such as EMX) cannot handle -// #pragma interface/implementation correctly, iff -// #pragma implementation is used in _two_ translation -// units (as created by e.g. event.cpp compiled for -// libwx_base and event.cpp compiled for libwx_gui_core). -// So we must not use those pragmas for those compilers in -// such files. - #pragma implementation "event.h" -#endif - // For compilers that support precompilation, includes "wx.h". #include "wx/wxprec.h" @@ -36,7 +25,6 @@ #endif #ifndef WX_PRECOMP - #include "wx/defs.h" #include "wx/app.h" #include "wx/list.h" @@ -44,6 +32,7 @@ #include "wx/control.h" #include "wx/utils.h" #include "wx/dc.h" + #include "wx/textctrl.h" #endif // wxUSE_GUI #endif @@ -120,7 +109,7 @@ wxEventHashTable wxEvtHandler::sm_eventHashTable(wxEvtHandler::sm_eventTable); const wxEventTableEntry wxEvtHandler::sm_eventTableEntries[] = { DECLARE_EVENT_TABLE_ENTRY(wxEVT_NULL, 0, 0, (wxObjectEventFunction)NULL, NULL) }; - + #ifdef __WXDEBUG__ // Clear up event hash table contents or we can get problems // when C++ is cleaning up the static object @@ -137,7 +126,7 @@ public: }; IMPLEMENT_DYNAMIC_CLASS(wxEventTableEntryModule, wxModule) #endif - + // ---------------------------------------------------------------------------- // global variables // ---------------------------------------------------------------------------- @@ -244,7 +233,7 @@ DEFINE_EVENT_TYPE(wxEVT_SCROLL_PAGEUP) DEFINE_EVENT_TYPE(wxEVT_SCROLL_PAGEDOWN) DEFINE_EVENT_TYPE(wxEVT_SCROLL_THUMBTRACK) DEFINE_EVENT_TYPE(wxEVT_SCROLL_THUMBRELEASE) -DEFINE_EVENT_TYPE(wxEVT_SCROLL_ENDSCROLL) +DEFINE_EVENT_TYPE(wxEVT_SCROLL_CHANGED) // Scroll events from wxWindow DEFINE_EVENT_TYPE(wxEVT_SCROLLWIN_TOP) @@ -264,6 +253,7 @@ DEFINE_EVENT_TYPE(wxEVT_MOVING) DEFINE_EVENT_TYPE(wxEVT_CLOSE_WINDOW) DEFINE_EVENT_TYPE(wxEVT_END_SESSION) DEFINE_EVENT_TYPE(wxEVT_QUERY_END_SESSION) +DEFINE_EVENT_TYPE(wxEVT_HIBERNATE) DEFINE_EVENT_TYPE(wxEVT_ACTIVATE_APP) DEFINE_EVENT_TYPE(wxEVT_POWER) DEFINE_EVENT_TYPE(wxEVT_ACTIVATE) @@ -338,7 +328,7 @@ int wxNewEventType() // ---------------------------------------------------------------------------- /* - * General wxWindows events, covering + * General wxWidgets events, covering * all interesting things that might happen (button clicking, resizing, * setting text in widgets, etc.). * @@ -380,8 +370,16 @@ wxEvent::wxEvent(const wxEvent &src) * */ +#ifdef __VISUALC__ + // 'this' : used in base member initializer list (for m_commandString) + #pragma warning(disable:4355) +#endif + wxCommandEvent::wxCommandEvent(wxEventType commandType, int theId) : wxEvent(theId, commandType) +#if WXWIN_COMPATIBILITY_2_4 + , m_commandString(this) +#endif { m_clientData = (char *) NULL; m_clientObject = (wxClientData *) NULL; @@ -393,6 +391,26 @@ wxCommandEvent::wxCommandEvent(wxEventType commandType, int theId) m_propagationLevel = wxEVENT_PROPAGATE_MAX; } +#ifdef __VISUALC__ + #pragma warning(default:4355) +#endif + +wxString wxCommandEvent::GetString() const +{ + if(m_eventType != wxEVT_COMMAND_TEXT_UPDATED || !m_eventObject) + return m_cmdString; + else + { +#if wxUSE_TEXTCTRL + wxTextCtrl *txt = wxDynamicCast(m_eventObject, wxTextCtrl); + if(txt) + return txt->GetValue(); + else +#endif // wxUSE_TEXTCTRL + return m_cmdString; + } +} + /* * UI update events */ @@ -417,23 +435,23 @@ bool wxUpdateUIEvent::CanUpdate(wxWindowBase *win) if (sm_updateInterval == -1) return false; - else if (sm_updateInterval == 0) + + if (sm_updateInterval == 0) return true; - else - { + #if wxUSE_STOPWATCH && wxUSE_LONGLONG - wxLongLong now = wxGetLocalTimeMillis(); - if (now > (sm_lastUpdate + sm_updateInterval)) - { - return true; - } -#else - // If we don't have wxStopWatch or wxLongLong, we - // should err on the safe side and update now anyway. + wxLongLong now = wxGetLocalTimeMillis(); + if (now > (sm_lastUpdate + sm_updateInterval)) + { return true; -#endif } + return false; +#else + // If we don't have wxStopWatch or wxLongLong, we + // should err on the safe side and update now anyway. + return true; +#endif } // Reset the update time to provide a delay until the next @@ -718,10 +736,12 @@ wxKeyEvent::wxKeyEvent(const wxKeyEvent& evt) #endif } +#if WXWIN_COMPATIBILITY_2_6 long wxKeyEvent::KeyCode() const { return m_keyCode; } +#endif // WXWIN_COMPATIBILITY_2_6 wxWindowCreateEvent::wxWindowCreateEvent(wxWindow *win) { @@ -759,7 +779,7 @@ wxEventHashTable::wxEventHashTable(const wxEventTable &table) m_rebuildHash(true) { AllocEventTypeTable(EVENT_TYPE_TABLE_INIT_SIZE); - + m_next = sm_first; if (m_next) m_next->m_previous = this; @@ -774,7 +794,7 @@ wxEventHashTable::~wxEventHashTable() m_previous->m_next = m_next; if (sm_first == this) sm_first = m_next; - + Clear(); } @@ -817,9 +837,9 @@ bool wxEventHashTable::HandleEvent(wxEvent &event, wxEvtHandler *self) InitHashTable(); m_rebuildHash = false; } - + if (!m_eventTypeTable) - return FALSE; + return false; // Find all entries for the given event type. wxEventType eventType = event.GetEventType(); @@ -881,7 +901,7 @@ void wxEventHashTable::AddEntry(const wxEventTableEntry &entry) // This might happen 'accidentally' as the app is exiting if (!m_eventTypeTable) return; - + EventTypeTablePointer *peTTnode = &m_eventTypeTable[entry.m_eventType % m_size]; EventTypeTablePointer eTTnode = *peTTnode; @@ -1004,6 +1024,8 @@ wxEvtHandler::~wxEvtHandler() delete m_dynamicEvents; }; + if (m_pendingEvents) + m_pendingEvents->DeleteContents(true); delete m_pendingEvents; #if wxUSE_THREADS @@ -1014,8 +1036,10 @@ wxEvtHandler::~wxEvtHandler() // Remove us from wxPendingEvents if necessary. if(wxPendingEventsLocker) wxENTER_CRIT_SECT(*wxPendingEventsLocker); - if ( wxPendingEvents ) { - wxPendingEvents->DeleteObject(this); + if ( wxPendingEvents ) + { + // Delete all occurences of this from the list of pending events + while (wxPendingEvents->DeleteObject(this)) { } // Do nothing } if(wxPendingEventsLocker) wxLEAVE_CRIT_SECT(*wxPendingEventsLocker); @@ -1045,7 +1069,7 @@ void wxEvtHandler::ClearEventLocker() delete m_eventsLocker; m_eventsLocker = NULL; #endif -}; +} #endif // wxUSE_THREADS @@ -1060,22 +1084,14 @@ void wxEvtHandler::AddPendingEvent(wxEvent& event) wxCHECK_RET( eventCopy, _T("events of this type aren't supposed to be posted") ); -#if defined(__VISAGECPP__) - wxENTER_CRIT_SECT( m_eventsLocker); -#else - wxENTER_CRIT_SECT( *m_eventsLocker); -#endif + wxENTER_CRIT_SECT( Lock() ); if ( !m_pendingEvents ) m_pendingEvents = new wxList; m_pendingEvents->Append(eventCopy); -#if defined(__VISAGECPP__) - wxLEAVE_CRIT_SECT( m_eventsLocker); -#else - wxLEAVE_CRIT_SECT( *m_eventsLocker); -#endif + wxLEAVE_CRIT_SECT( Lock() ); // 2) Add this event handler to list of event handlers that // have pending events. @@ -1088,48 +1104,48 @@ void wxEvtHandler::AddPendingEvent(wxEvent& event) wxLEAVE_CRIT_SECT(*wxPendingEventsLocker); - // 3) Inform the system that new pending events are somwehere, + // 3) Inform the system that new pending events are somewhere, // and that these should be processed in idle time. wxWakeUpIdle(); } void wxEvtHandler::ProcessPendingEvents() { -#if defined(__VISAGECPP__) - wxENTER_CRIT_SECT( m_eventsLocker); -#else - wxENTER_CRIT_SECT( *m_eventsLocker); -#endif - - wxList::compatibility_iterator node = m_pendingEvents->GetFirst(); - while ( node ) + // this method is only called by wxApp if this handler does have pending + // events + wxCHECK_RET( m_pendingEvents, + wxT("Please call wxApp::ProcessPendingEvents() instead") ); + + wxENTER_CRIT_SECT( Lock() ); + + // we leave the loop once we have processed all events that were present at + // the start of ProcessPendingEvents because otherwise we could get into + // infinite loop if the pending event handler execution resulted in another + // event being posted + size_t n = m_pendingEvents->size(); + for ( wxList::compatibility_iterator node = m_pendingEvents->GetFirst(); + node; + node = m_pendingEvents->GetFirst() ) { wxEvent *event = (wxEvent *)node->GetData(); + + // It's importan we remove event from list before processing it. + // Else a nested event loop, for example from a modal dialog, might + // process the same event again. m_pendingEvents->Erase(node); - // In ProcessEvent, new events might get added and - // we can safely leave the crtical section here. -#if defined(__VISAGECPP__) - wxLEAVE_CRIT_SECT( m_eventsLocker); -#else - wxLEAVE_CRIT_SECT( *m_eventsLocker); -#endif + wxLEAVE_CRIT_SECT( Lock() ); + ProcessEvent(*event); delete event; -#if defined(__VISAGECPP__) - wxENTER_CRIT_SECT( m_eventsLocker); -#else - wxENTER_CRIT_SECT( *m_eventsLocker); -#endif - node = m_pendingEvents->GetFirst(); + wxENTER_CRIT_SECT( Lock() ); + + if ( --n == 0 ) + break; } -#if defined(__VISAGECPP__) - wxLEAVE_CRIT_SECT( m_eventsLocker); -#else - wxLEAVE_CRIT_SECT( *m_eventsLocker); -#endif + wxLEAVE_CRIT_SECT( Lock() ); } /* @@ -1147,9 +1163,9 @@ wxEvtHandler::ProcessEventIfMatches(const wxEventTableEntryBase& entry, // the event table (meaning "any") or the event id matches the id // specified in the event table either exactly or by falling into // range between first and last - if ((tableId1 == -1) || - (tableId2 == -1 && tableId1 == event.GetId()) || - (tableId2 != -1 && + if ((tableId1 == wxID_ANY) || + (tableId2 == wxID_ANY && tableId1 == event.GetId()) || + (tableId2 != wxID_ANY && (event.GetId() >= tableId1 && event.GetId() <= tableId2))) { event.Skip(false); @@ -1299,7 +1315,7 @@ bool wxEvtHandler::Disconnect( int id, int lastId, wxEventType eventType, #endif // WXWIN_COMPATIBILITY_EVENT_TYPES/!WXWIN_COMPATIBILITY_EVENT_TYPES if ((entry->m_id == id) && - ((entry->m_lastId == lastId) || (lastId == -1)) && + ((entry->m_lastId == lastId) || (lastId == wxID_ANY)) && ((entry->m_eventType == eventType) || (eventType == wxEVT_NULL)) && ((entry->m_fn == func) || (func == (wxObjectEventFunction)NULL)) && ((entry->m_eventSink == eventSink) || (eventSink == (wxEvtHandler*)NULL)) && @@ -1330,7 +1346,11 @@ bool wxEvtHandler::SearchDynamicEventTable( wxEvent& event ) wxDynamicEventTableEntry *entry = (wxDynamicEventTableEntry*)node->GetData(); #endif // WXWIN_COMPATIBILITY_EVENT_TYPES/!WXWIN_COMPATIBILITY_EVENT_TYPES - if ((event.m_eventType == entry->m_eventType) && (entry->m_fn != 0)) + // get next node before (maybe) calling the event handler as it could + // call Disconnect() invalidating the current node + node = node->GetNext(); + + if ((event.GetEventType() == entry->m_eventType) && (entry->m_fn != 0)) { wxEvtHandler *handler = #if !WXWIN_COMPATIBILITY_EVENT_TYPES @@ -1344,12 +1364,10 @@ bool wxEvtHandler::SearchDynamicEventTable( wxEvent& event ) return true; } } - - node = node->GetNext(); } return false; -}; +} void wxEvtHandler::DoSetClientObject( wxClientData *data ) {