X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/aadbdf11bda695e2ca135ef1e4dc09d6c01d2521..41b1047d910c3aba988b5b619ba885b7ac89cf20:/src/common/event.cpp diff --git a/src/common/event.cpp b/src/common/event.cpp index 0b831bb6a9..795bbef448 100644 --- a/src/common/event.cpp +++ b/src/common/event.cpp @@ -6,9 +6,17 @@ // Created: 01/02/97 // RCS-ID: $Id$ // Copyright: (c) Julian Smart and Markus Holzem -// Licence: wxWindows licence +// Licence: wxWindows licence ///////////////////////////////////////////////////////////////////////////// +// ============================================================================ +// declarations +// ============================================================================ + +// ---------------------------------------------------------------------------- +// headers +// ---------------------------------------------------------------------------- + #ifdef __GNUG__ #pragma implementation "event.h" #endif @@ -22,43 +30,60 @@ #ifndef WX_PRECOMP #include "wx/defs.h" - #include "wx/control.h" - #include "wx/utils.h" #include "wx/app.h" - #include "wx/dc.h" + #include "wx/list.h" + + #if wxUSE_GUI + #include "wx/control.h" + #include "wx/utils.h" + #include "wx/dc.h" + #endif // wxUSE_GUI #endif #include "wx/event.h" -#include "wx/validate.h" + +#if wxUSE_GUI + #include "wx/validate.h" +#endif // wxUSE_GUI + +// ---------------------------------------------------------------------------- +// wxWin macros +// ---------------------------------------------------------------------------- #if !USE_SHARED_LIBRARY IMPLEMENT_DYNAMIC_CLASS(wxEvtHandler, wxObject) IMPLEMENT_ABSTRACT_CLASS(wxEvent, wxObject) - IMPLEMENT_DYNAMIC_CLASS(wxCommandEvent, wxEvent) - IMPLEMENT_DYNAMIC_CLASS(wxNotifyEvent, wxCommandEvent) - IMPLEMENT_DYNAMIC_CLASS(wxScrollEvent, wxCommandEvent) - IMPLEMENT_DYNAMIC_CLASS(wxMouseEvent, wxEvent) - IMPLEMENT_DYNAMIC_CLASS(wxKeyEvent, wxEvent) - IMPLEMENT_DYNAMIC_CLASS(wxSizeEvent, wxEvent) - IMPLEMENT_DYNAMIC_CLASS(wxPaintEvent, wxEvent) - IMPLEMENT_DYNAMIC_CLASS(wxEraseEvent, wxEvent) - IMPLEMENT_DYNAMIC_CLASS(wxMoveEvent, wxEvent) - IMPLEMENT_DYNAMIC_CLASS(wxFocusEvent, wxEvent) - IMPLEMENT_DYNAMIC_CLASS(wxCloseEvent, wxEvent) - IMPLEMENT_DYNAMIC_CLASS(wxShowEvent, wxEvent) - IMPLEMENT_DYNAMIC_CLASS(wxMaximizeEvent, wxEvent) - IMPLEMENT_DYNAMIC_CLASS(wxIconizeEvent, wxEvent) - IMPLEMENT_DYNAMIC_CLASS(wxMenuEvent, wxEvent) - IMPLEMENT_DYNAMIC_CLASS(wxJoystickEvent, wxEvent) - IMPLEMENT_DYNAMIC_CLASS(wxDropFilesEvent, wxEvent) - IMPLEMENT_DYNAMIC_CLASS(wxActivateEvent, wxEvent) - IMPLEMENT_DYNAMIC_CLASS(wxInitDialogEvent, wxEvent) - IMPLEMENT_DYNAMIC_CLASS(wxSysColourChangedEvent, wxEvent) IMPLEMENT_DYNAMIC_CLASS(wxIdleEvent, wxEvent) - IMPLEMENT_DYNAMIC_CLASS(wxUpdateUIEvent, wxCommandEvent) - IMPLEMENT_DYNAMIC_CLASS(wxNavigationKeyEvent, wxCommandEvent) - IMPLEMENT_DYNAMIC_CLASS(wxPaletteChangedEvent, wxEvent) - IMPLEMENT_DYNAMIC_CLASS(wxQueryNewPaletteEvent, wxEvent) + + #if wxUSE_GUI + IMPLEMENT_DYNAMIC_CLASS(wxCommandEvent, wxEvent) + IMPLEMENT_DYNAMIC_CLASS(wxNotifyEvent, wxCommandEvent) + IMPLEMENT_DYNAMIC_CLASS(wxScrollEvent, wxCommandEvent) + IMPLEMENT_DYNAMIC_CLASS(wxScrollWinEvent, wxEvent) + IMPLEMENT_DYNAMIC_CLASS(wxMouseEvent, wxEvent) + IMPLEMENT_DYNAMIC_CLASS(wxKeyEvent, wxEvent) + IMPLEMENT_DYNAMIC_CLASS(wxSizeEvent, wxEvent) + IMPLEMENT_DYNAMIC_CLASS(wxPaintEvent, wxEvent) + IMPLEMENT_DYNAMIC_CLASS(wxEraseEvent, wxEvent) + IMPLEMENT_DYNAMIC_CLASS(wxMoveEvent, wxEvent) + IMPLEMENT_DYNAMIC_CLASS(wxFocusEvent, wxEvent) + IMPLEMENT_DYNAMIC_CLASS(wxCloseEvent, wxEvent) + IMPLEMENT_DYNAMIC_CLASS(wxShowEvent, wxEvent) + IMPLEMENT_DYNAMIC_CLASS(wxMaximizeEvent, wxEvent) + IMPLEMENT_DYNAMIC_CLASS(wxIconizeEvent, wxEvent) + IMPLEMENT_DYNAMIC_CLASS(wxMenuEvent, wxEvent) + IMPLEMENT_DYNAMIC_CLASS(wxJoystickEvent, wxEvent) + IMPLEMENT_DYNAMIC_CLASS(wxDropFilesEvent, wxEvent) + IMPLEMENT_DYNAMIC_CLASS(wxActivateEvent, wxEvent) + IMPLEMENT_DYNAMIC_CLASS(wxInitDialogEvent, wxEvent) + IMPLEMENT_DYNAMIC_CLASS(wxSysColourChangedEvent, wxEvent) + IMPLEMENT_DYNAMIC_CLASS(wxUpdateUIEvent, wxCommandEvent) + IMPLEMENT_DYNAMIC_CLASS(wxNavigationKeyEvent, wxCommandEvent) + IMPLEMENT_DYNAMIC_CLASS(wxPaletteChangedEvent, wxEvent) + IMPLEMENT_DYNAMIC_CLASS(wxQueryNewPaletteEvent, wxEvent) + IMPLEMENT_DYNAMIC_CLASS(wxWindowCreateEvent, wxEvent) + IMPLEMENT_DYNAMIC_CLASS(wxWindowDestroyEvent, wxEvent) + #endif // wxUSE_GUI const wxEventTable *wxEvtHandler::GetEventTable() const { return &wxEvtHandler::sm_eventTable; } @@ -71,12 +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, @@ -90,7 +129,6 @@ wxEvent::wxEvent(int theId) { m_eventType = wxEVT_NULL; m_eventObject = (wxObject *) NULL; - m_eventHandle = (char *) NULL; m_timeStamp = 0; m_id = theId; m_skipped = FALSE; @@ -100,12 +138,11 @@ wxEvent::wxEvent(int theId) void wxEvent::CopyObject(wxObject& object_dest) const { - wxEvent *obj = (wxEvent *)&object_dest; + wxEvent *obj = (wxEvent *)&object_dest; wxObject::CopyObject(object_dest); obj->m_eventType = m_eventType; obj->m_eventObject = m_eventObject; - obj->m_eventHandle = m_eventHandle; obj->m_timeStamp = m_timeStamp; obj->m_id = m_id; obj->m_skipped = m_skipped; @@ -113,6 +150,8 @@ void wxEvent::CopyObject(wxObject& object_dest) const obj->m_isCommandEvent = m_isCommandEvent; } +#if wxUSE_GUI + /* * Command events * @@ -126,13 +165,13 @@ wxCommandEvent::wxCommandEvent(wxEventType commandType, int theId) m_extraLong = 0; m_commandInt = 0; m_id = theId; - m_commandString = (wxChar *) NULL; + m_commandString = wxEmptyString; m_isCommandEvent = TRUE; } void wxCommandEvent::CopyObject(wxObject& obj_d) const { - wxCommandEvent *obj = (wxCommandEvent *)&obj_d; + wxCommandEvent *obj = (wxCommandEvent *)&obj_d; wxEvent::CopyObject(obj_d); @@ -156,6 +195,29 @@ wxScrollEvent::wxScrollEvent(wxEventType commandType, m_commandInt = pos; } +/* + * ScrollWin events + */ + +wxScrollWinEvent::wxScrollWinEvent(wxEventType commandType, + int pos, + int orient) +{ + m_eventType = commandType; + m_extraLong = orient; + m_commandInt = pos; +} + +void wxScrollWinEvent::CopyObject(wxObject& obj_d) const +{ + wxScrollWinEvent *obj = (wxScrollWinEvent*)&obj_d; + + wxEvent::CopyObject(obj_d); + + obj->m_extraLong = m_extraLong; + obj->m_commandInt = m_commandInt; +} + /* * Mouse events * @@ -207,7 +269,7 @@ bool wxMouseEvent::ButtonDClick(int but) const case 3: return RightDClick(); default: - wxFAIL_MSG(_T("invalid parameter in wxMouseEvent::ButtonDClick")); + wxFAIL_MSG(wxT("invalid parameter in wxMouseEvent::ButtonDClick")); } return FALSE; @@ -228,7 +290,7 @@ bool wxMouseEvent::ButtonDown(int but) const case 3: return RightDown(); default: - wxFAIL_MSG(_T("invalid parameter in wxMouseEvent::ButtonDown")); + wxFAIL_MSG(wxT("invalid parameter in wxMouseEvent::ButtonDown")); } return FALSE; @@ -248,7 +310,7 @@ bool wxMouseEvent::ButtonUp(int but) const case 3: return RightUp(); default: - wxFAIL_MSG(_T("invalid parameter in wxMouseEvent::ButtonUp")); + wxFAIL_MSG(wxT("invalid parameter in wxMouseEvent::ButtonUp")); } return FALSE; @@ -259,7 +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: @@ -267,7 +329,7 @@ bool wxMouseEvent::Button(int but) const case 3: return (RightDown() || RightUp() || RightDClick()); default: - wxFAIL_MSG(_T("invalid parameter in wxMouseEvent::Button")); + wxFAIL_MSG(wxT("invalid parameter in wxMouseEvent::Button")); } return FALSE; @@ -285,7 +347,7 @@ bool wxMouseEvent::ButtonIsDown(int but) const case 3: return RightIsDown(); default: - wxFAIL_MSG(_T("invalid parameter in wxMouseEvent::ButtonIsDown")); + wxFAIL_MSG(wxT("invalid parameter in wxMouseEvent::ButtonIsDown")); } return FALSE; @@ -312,6 +374,7 @@ wxKeyEvent::wxKeyEvent(wxEventType type) m_metaDown = FALSE; m_altDown = FALSE; m_keyCode = 0; + m_scanCode = 0; } void wxKeyEvent::CopyObject(wxObject& obj_d) const @@ -383,7 +446,7 @@ void wxCloseEvent::CopyObject(wxObject& obj_d) const #endif obj->m_canVeto = m_canVeto; } - + void wxShowEvent::CopyObject(wxObject& obj_d) const { wxShowEvent *obj = (wxShowEvent *)&obj_d; @@ -391,7 +454,80 @@ void wxShowEvent::CopyObject(wxObject& obj_d) const obj->m_show = m_show; } - + +void wxJoystickEvent::CopyObject(wxObject& obj_d) const +{ + wxJoystickEvent *obj = (wxJoystickEvent *)&obj_d; + wxEvent::CopyObject(obj_d); + + obj->m_pos = m_pos; + obj->m_zPosition = m_zPosition; + obj->m_buttonChange = m_buttonChange; + obj->m_buttonState = m_buttonState; + obj->m_joyStick = m_joyStick; +} + +void wxDropFilesEvent::CopyObject(wxObject& obj_d) const +{ + wxDropFilesEvent *obj = (wxDropFilesEvent *)&obj_d; + wxEvent::CopyObject(obj_d); + + obj->m_noFiles = m_noFiles; + obj->m_pos = m_pos; + // TODO: Problem with obj->m_files. It should be deallocated by the + // destructor of the event. +} + +void wxUpdateUIEvent::CopyObject(wxObject &obj_d) const +{ + wxUpdateUIEvent *obj = (wxUpdateUIEvent *)&obj_d; + wxEvent::CopyObject(obj_d); + + obj->m_checked = m_checked; + obj->m_enabled = m_enabled; + obj->m_text = m_text; + obj->m_setText = m_setText; + obj->m_setChecked = m_setChecked; + obj->m_setEnabled = m_setEnabled; +} + +void wxPaletteChangedEvent::CopyObject(wxObject &obj_d) const +{ + wxPaletteChangedEvent *obj = (wxPaletteChangedEvent *)&obj_d; + wxEvent::CopyObject(obj_d); + + obj->m_changedWindow = m_changedWindow; +} + +void wxQueryNewPaletteEvent::CopyObject(wxObject& obj_d) const +{ + wxQueryNewPaletteEvent *obj = (wxQueryNewPaletteEvent *)&obj_d; + wxEvent::CopyObject(obj_d); + + obj->m_paletteRealized = m_paletteRealized; +} + +wxWindowCreateEvent::wxWindowCreateEvent(wxWindow *win) + : wxEvent(wxEVT_CREATE) +{ + SetEventObject(win); +} + +wxWindowDestroyEvent::wxWindowDestroyEvent(wxWindow *win) + : wxEvent(wxEVT_DESTROY) +{ + SetEventObject(win); +} + +#endif // wxUSE_GUI + +void wxIdleEvent::CopyObject(wxObject& obj_d) const +{ + wxIdleEvent *obj = (wxIdleEvent *)&obj_d; + wxEvent::CopyObject(obj_d); + + obj->m_requestMore = m_requestMore; +} /* * Event handler @@ -404,10 +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() @@ -432,63 +570,108 @@ 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; +bool wxEvtHandler::ProcessThreadEvent(wxEvent& event) +{ + // check that we are really in a child thread + wxASSERT_MSG( !wxThread::IsMain(), + wxT("use ProcessEvent() in main thread") ); -extern void wxapp_install_idle_handler(); -#endif + AddPendingEvent(event); -bool wxEvtHandler::ProcessThreadEvent(wxEvent& event) + return TRUE; +} + +#endif // wxUSE_THREADS + +void wxEvtHandler::AddPendingEvent(wxEvent& event) { - wxEvent *event_main; - wxCriticalSectionLocker locker(*m_eventsLocker); + // 1) Add event to list of pending events of this event handler + +#if defined(__VISAGECPP__) + wxENTER_CRIT_SECT( m_eventsLocker); +#else + wxENTER_CRIT_SECT( *m_eventsLocker); +#endif + if ( !m_pendingEvents ) + m_pendingEvents = new wxList; - // check that we are really in a child thread - wxASSERT( !wxThread::IsMain() ); + wxEvent *event2 = (wxEvent *)event.Clone(); - if (m_pendingEvents == NULL) - m_pendingEvents = new wxList(); + m_pendingEvents->Append(event2); - event_main = (wxEvent *)event.Clone(); +#if defined(__VISAGECPP__) + wxLEAVE_CRIT_SECT( m_eventsLocker); +#else + wxLEAVE_CRIT_SECT( *m_eventsLocker); +#endif - m_pendingEvents->Append(event_main); + // 2) Add this event handler to list of event handlers that + // have pending events. + + wxENTER_CRIT_SECT(*wxPendingEventsLocker); - wxPendingEventsLocker->Enter(); + if ( !wxPendingEvents ) + wxPendingEvents = new wxList; wxPendingEvents->Append(this); - wxPendingEventsLocker->Leave(); -#ifdef __WXGTK__ - if (g_isIdle) wxapp_install_idle_handler(); -#endif + // 3) Inform the system that new pending events are somwehere, + // and that these should be processed in idle time. + + wxWakeUpIdle(); - return TRUE; + wxLEAVE_CRIT_SECT(*wxPendingEventsLocker); } void wxEvtHandler::ProcessPendingEvents() { - wxCriticalSectionLocker locker(*m_eventsLocker); - wxNode *node = m_pendingEvents->First(); - wxEvent *event; +#if defined(__VISAGECPP__) + wxENTER_CRIT_SECT( m_eventsLocker); +#else + wxENTER_CRIT_SECT( *m_eventsLocker); +#endif - while (node != NULL) { - event = (wxEvent *)node->Data(); - ProcessEvent(*event); - delete node; - node = m_pendingEvents->First(); + wxNode *node = m_pendingEvents->First(); + while ( node ) + { + wxEvent *event = (wxEvent *)node->Data(); + delete 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 + ProcessEvent(*event); + delete event; +#if defined(__VISAGECPP__) + wxENTER_CRIT_SECT( m_eventsLocker); +#else + wxENTER_CRIT_SECT( *m_eventsLocker); +#endif + + node = m_pendingEvents->First(); } -} + +#if defined(__VISAGECPP__) + wxLEAVE_CRIT_SECT( m_eventsLocker); +#else + wxLEAVE_CRIT_SECT( *m_eventsLocker); #endif +} /* * Event table stuff @@ -496,26 +679,28 @@ void wxEvtHandler::ProcessPendingEvents() bool wxEvtHandler::ProcessEvent(wxEvent& event) { +#if wxUSE_GUI // check that our flag corresponds to reality wxASSERT( m_isWindow == IsKindOf(CLASSINFO(wxWindow)) ); +#endif // wxUSE_GUI // 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 - const wxEventTable *table = GetEventTable(); +#if wxUSE_GUI && wxUSE_VALIDATORS // Try the associated validator first, if this is a window. // Problem: if the event handler of the window has been replaced, // this wxEvtHandler may no longer be a window. @@ -524,7 +709,7 @@ bool wxEvtHandler::ProcessEvent(wxEvent& event) // THIS CAN BE CURED if PushEventHandler is used instead of // SetEventHandler, and then processing will be passed down the // chain of event handlers. - if ( m_isWindow ) + if (m_isWindow) { wxWindow *win = (wxWindow *)this; @@ -539,9 +724,10 @@ bool wxEvtHandler::ProcessEvent(wxEvent& event) } } } +#endif // Search upwards through the inheritance hierarchy - while ( table ) + while (table) { if ( SearchEventTable((wxEventTable&)*table, event) ) return TRUE; @@ -556,6 +742,7 @@ bool wxEvtHandler::ProcessEvent(wxEvent& event) return TRUE; } +#if wxUSE_GUI // Carry on up the parent-child hierarchy, // but only if event is a command event: it wouldn't // make sense for a parent to receive a child's size event, for example @@ -566,6 +753,7 @@ bool wxEvtHandler::ProcessEvent(wxEvent& event) if (parent && !parent->IsBeingDeleted()) return parent->GetEventHandler()->ProcessEvent(event); } +#endif // wxUSE_GUI // Last try - application object. if ( wxTheApp && (this != wxTheApp) ) @@ -616,6 +804,7 @@ bool wxEvtHandler::SearchEventTable(wxEventTable& table, wxEvent& event) } return FALSE; } + void wxEvtHandler::Connect( int id, int lastId, wxEventType eventType, wxObjectEventFunction func, @@ -634,10 +823,37 @@ 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, - _T("caller should check that we have dynamic events") ); + wxT("caller should check that we have dynamic events") ); int commandId = event.GetId(); @@ -681,6 +897,8 @@ bool wxEvtHandler::OnClose() } #endif // WXWIN_COMPATIBILITY +#if wxUSE_GUI + // Find a window with the focus, that is also a descendant of the given window. // This is used to determine the window to initially send commands to. wxWindow* wxFindFocusDescendant(wxWindow* ancestor) @@ -704,3 +922,4 @@ wxWindow* wxFindFocusDescendant(wxWindow* ancestor) return focusWin; } +#endif // wxUSE_GUI