X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/21eefb768a6613cc2275cc0595e21d9b165802ee..db71eb0640221199170ac9ea83371c2d467fa456:/src/common/event.cpp diff --git a/src/common/event.cpp b/src/common/event.cpp index a2431a5b6c..df764235ac 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" @@ -35,29 +24,23 @@ #pragma hdrstop #endif +#include "wx/event.h" + #ifndef WX_PRECOMP - #include "wx/defs.h" - #include "wx/app.h" #include "wx/list.h" + #include "wx/app.h" + #include "wx/utils.h" + #include "wx/stopwatch.h" + #include "wx/module.h" #if wxUSE_GUI #include "wx/control.h" - #include "wx/utils.h" #include "wx/dc.h" #include "wx/textctrl.h" + #include "wx/validate.h" #endif // wxUSE_GUI #endif -#include "wx/event.h" -#include "wx/module.h" - -#if wxUSE_GUI - #include "wx/validate.h" -#if wxUSE_STOPWATCH - #include "wx/stopwatch.h" -#endif -#endif // wxUSE_GUI - // ---------------------------------------------------------------------------- // wxWin macros // ---------------------------------------------------------------------------- @@ -103,6 +86,8 @@ IMPLEMENT_DYNAMIC_CLASS(wxHelpEvent, wxCommandEvent) IMPLEMENT_DYNAMIC_CLASS(wxContextMenuEvent, wxCommandEvent) IMPLEMENT_DYNAMIC_CLASS(wxMouseCaptureChangedEvent, wxEvent) + IMPLEMENT_DYNAMIC_CLASS(wxMouseCaptureLostEvent, wxEvent) + IMPLEMENT_DYNAMIC_CLASS(wxClipboardTextEvent, wxCommandEvent) #endif // wxUSE_GUI #if wxUSE_BASE @@ -245,7 +230,7 @@ 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) @@ -265,6 +250,7 @@ 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) @@ -274,6 +260,7 @@ DEFINE_EVENT_TYPE(wxEVT_SHOW) DEFINE_EVENT_TYPE(wxEVT_ICONIZE) DEFINE_EVENT_TYPE(wxEVT_MAXIMIZE) DEFINE_EVENT_TYPE(wxEVT_MOUSE_CAPTURE_CHANGED) +DEFINE_EVENT_TYPE(wxEVT_MOUSE_CAPTURE_LOST) DEFINE_EVENT_TYPE(wxEVT_PAINT) DEFINE_EVENT_TYPE(wxEVT_ERASE_BACKGROUND) DEFINE_EVENT_TYPE(wxEVT_NC_PAINT) @@ -298,6 +285,11 @@ DEFINE_EVENT_TYPE(wxEVT_COMPARE_ITEM) DEFINE_EVENT_TYPE(wxEVT_INIT_DIALOG) DEFINE_EVENT_TYPE(wxEVT_UPDATE_UI) +// Clipboard events +DEFINE_EVENT_TYPE(wxEVT_COMMAND_TEXT_COPY) +DEFINE_EVENT_TYPE(wxEVT_COMMAND_TEXT_CUT) +DEFINE_EVENT_TYPE(wxEVT_COMMAND_TEXT_PASTE) + // Generic command events // Note: a click is a higher-level event than button down/up DEFINE_EVENT_TYPE(wxEVT_COMMAND_LEFT_CLICK) @@ -412,10 +404,12 @@ wxString wxCommandEvent::GetString() const 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; } } @@ -745,10 +739,12 @@ 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) { @@ -768,6 +764,23 @@ wxChildFocusEvent::wxChildFocusEvent(wxWindow *win) SetEventObject(win); } +// ---------------------------------------------------------------------------- +// wxHelpEvent +// ---------------------------------------------------------------------------- + +/* static */ +wxHelpEvent::Origin wxHelpEvent::GuessOrigin(Origin origin) +{ + if ( origin == Origin_Unknown ) + { + // assume that the event comes from the help button if it's not from + // keyboard and that pressing F1 always results in the help event + origin = wxGetKeyState(WXK_F1) ? Origin_Keyboard : Origin_HelpButton; + } + + return origin; +} + #endif // wxUSE_GUI @@ -998,6 +1011,10 @@ wxEvtHandler::wxEvtHandler() m_eventsLocker = new wxCriticalSection; # endif #endif + // reentrace not allowed by default + m_reentranceAllowed = false; + m_eventHandlingInProgress = false; + // no client data (yet) m_clientData = NULL; m_clientDataType = wxClientData_None; @@ -1031,6 +1048,8 @@ wxEvtHandler::~wxEvtHandler() delete m_dynamicEvents; }; + if (m_pendingEvents) + m_pendingEvents->DeleteContents(true); delete m_pendingEvents; #if wxUSE_THREADS @@ -1041,8 +1060,10 @@ 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); @@ -1072,7 +1093,7 @@ void wxEvtHandler::ClearEventLocker() delete m_eventsLocker; m_eventsLocker = NULL; #endif -}; +} #endif // wxUSE_THREADS @@ -1087,22 +1108,14 @@ 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. @@ -1115,63 +1128,56 @@ 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() { - // this method is only called by wxApp if this handler does have pending - // events + // this method is only called by wxApp if this handler does have + // pending events wxCHECK_RET( m_pendingEvents, wxT("Please call wxApp::ProcessPendingEvents() instead") ); - -#if defined(__VISAGECPP__) - wxENTER_CRIT_SECT( m_eventsLocker); -#else - wxENTER_CRIT_SECT( *m_eventsLocker); -#endif - - // remember last event to process during this iteration - wxList::compatibility_iterator lastPendingNode = m_pendingEvents->GetLast(); - - wxList::compatibility_iterator node = m_pendingEvents->GetFirst(); - while ( node ) + + // eventhandling is now in progess + m_eventHandlingInProgress = true; + + 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 - // 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 - if ( node == lastPendingNode ) - break; + wxENTER_CRIT_SECT( Lock() ); - node = m_pendingEvents->GetFirst(); + if ( --n == 0 ) + break; } -#if defined(__VISAGECPP__) - wxLEAVE_CRIT_SECT( m_eventsLocker); -#else - wxLEAVE_CRIT_SECT( *m_eventsLocker); -#endif + wxLEAVE_CRIT_SECT( Lock() ); + + // eventhandling no longer in progess + m_eventHandlingInProgress = false; } /* @@ -1372,6 +1378,10 @@ bool wxEvtHandler::SearchDynamicEventTable( wxEvent& event ) wxDynamicEventTableEntry *entry = (wxDynamicEventTableEntry*)node->GetData(); #endif // WXWIN_COMPATIBILITY_EVENT_TYPES/!WXWIN_COMPATIBILITY_EVENT_TYPES + // 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 = @@ -1386,12 +1396,10 @@ bool wxEvtHandler::SearchDynamicEventTable( wxEvent& event ) return true; } } - - node = node->GetNext(); } return false; -}; +} void wxEvtHandler::DoSetClientObject( wxClientData *data ) {