X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/42e69d6b435a4dd5415caf3750db62cf45b6f373..03424b1b897ff207c3fefc8d9af47ed2f0f9cb05:/src/common/event.cpp?ds=inline diff --git a/src/common/event.cpp b/src/common/event.cpp index 0c2e5f813c..7207ee820b 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 @@ -22,18 +30,31 @@ #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 !USE_SHARED_LIBRARY - IMPLEMENT_DYNAMIC_CLASS(wxEvtHandler, wxObject) - IMPLEMENT_ABSTRACT_CLASS(wxEvent, wxObject) +#if wxUSE_GUI + #include "wx/validate.h" +#endif // wxUSE_GUI + +// ---------------------------------------------------------------------------- +// wxWin macros +// ---------------------------------------------------------------------------- + +IMPLEMENT_DYNAMIC_CLASS(wxEvtHandler, wxObject) +IMPLEMENT_ABSTRACT_CLASS(wxEvent, wxObject) +IMPLEMENT_DYNAMIC_CLASS(wxIdleEvent, wxEvent) + +#if wxUSE_GUI IMPLEMENT_DYNAMIC_CLASS(wxCommandEvent, wxEvent) IMPLEMENT_DYNAMIC_CLASS(wxNotifyEvent, wxCommandEvent) IMPLEMENT_DYNAMIC_CLASS(wxScrollEvent, wxCommandEvent) @@ -55,31 +76,210 @@ 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) IMPLEMENT_DYNAMIC_CLASS(wxWindowCreateEvent, wxEvent) IMPLEMENT_DYNAMIC_CLASS(wxWindowDestroyEvent, wxEvent) + IMPLEMENT_DYNAMIC_CLASS(wxHelpEvent, wxCommandEvent) +#endif // wxUSE_GUI + +const wxEventTable *wxEvtHandler::GetEventTable() const + { return &wxEvtHandler::sm_eventTable; } - const wxEventTable *wxEvtHandler::GetEventTable() const - { return &wxEvtHandler::sm_eventTable; } +const wxEventTable wxEvtHandler::sm_eventTable = + { (const wxEventTable *)NULL, &wxEvtHandler::sm_eventTableEntries[0] }; - const wxEventTable wxEvtHandler::sm_eventTable = - { (const wxEventTable *)NULL, &wxEvtHandler::sm_eventTableEntries[0] }; +const wxEventTableEntry wxEvtHandler::sm_eventTableEntries[] = + { DECLARE_EVENT_TABLE_ENTRY(0, 0, 0, (wxObjectEventFunction)NULL, NULL) }; - const wxEventTableEntry wxEvtHandler::sm_eventTableEntries[] = - { { 0, 0, 0, (wxObjectEventFunction) NULL, (wxObject*) NULL } }; +// ---------------------------------------------------------------------------- +// global variables +// ---------------------------------------------------------------------------- -#endif // !USE_SHARED_LIBRARY +// 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 +#if !WXWIN_COMPATIBILITY_EVENT_TYPES + +// common event types are defined here, other event types are defined by the +// components which use them + +DEFINE_EVENT_TYPE(wxEVT_COMMAND_BUTTON_CLICKED) +DEFINE_EVENT_TYPE(wxEVT_COMMAND_CHECKBOX_CLICKED) +DEFINE_EVENT_TYPE(wxEVT_COMMAND_CHOICE_SELECTED) +DEFINE_EVENT_TYPE(wxEVT_COMMAND_LISTBOX_SELECTED) +DEFINE_EVENT_TYPE(wxEVT_COMMAND_LISTBOX_DOUBLECLICKED) +DEFINE_EVENT_TYPE(wxEVT_COMMAND_CHECKLISTBOX_TOGGLED) +DEFINE_EVENT_TYPE(wxEVT_COMMAND_TEXT_UPDATED) +DEFINE_EVENT_TYPE(wxEVT_COMMAND_TEXT_ENTER) +DEFINE_EVENT_TYPE(wxEVT_COMMAND_MENU_SELECTED) +DEFINE_EVENT_TYPE(wxEVT_COMMAND_SLIDER_UPDATED) +DEFINE_EVENT_TYPE(wxEVT_COMMAND_RADIOBOX_SELECTED) +DEFINE_EVENT_TYPE(wxEVT_COMMAND_RADIOBUTTON_SELECTED) +DEFINE_EVENT_TYPE(wxEVT_COMMAND_SCROLLBAR_UPDATED) +DEFINE_EVENT_TYPE(wxEVT_COMMAND_VLBOX_SELECTED) +DEFINE_EVENT_TYPE(wxEVT_COMMAND_COMBOBOX_SELECTED) +DEFINE_EVENT_TYPE(wxEVT_COMMAND_TOOL_RCLICKED) +DEFINE_EVENT_TYPE(wxEVT_COMMAND_TOOL_ENTER) +DEFINE_EVENT_TYPE(wxEVT_COMMAND_SPINCTRL_UPDATED) + +// Sockets and timers send events, too +DEFINE_EVENT_TYPE(wxEVT_SOCKET) +DEFINE_EVENT_TYPE(wxEVT_TIMER) + +// Mouse event types +DEFINE_EVENT_TYPE(wxEVT_LEFT_DOWN) +DEFINE_EVENT_TYPE(wxEVT_LEFT_UP) +DEFINE_EVENT_TYPE(wxEVT_MIDDLE_DOWN) +DEFINE_EVENT_TYPE(wxEVT_MIDDLE_UP) +DEFINE_EVENT_TYPE(wxEVT_RIGHT_DOWN) +DEFINE_EVENT_TYPE(wxEVT_RIGHT_UP) +DEFINE_EVENT_TYPE(wxEVT_MOTION) +DEFINE_EVENT_TYPE(wxEVT_ENTER_WINDOW) +DEFINE_EVENT_TYPE(wxEVT_LEAVE_WINDOW) +DEFINE_EVENT_TYPE(wxEVT_LEFT_DCLICK) +DEFINE_EVENT_TYPE(wxEVT_MIDDLE_DCLICK) +DEFINE_EVENT_TYPE(wxEVT_RIGHT_DCLICK) +DEFINE_EVENT_TYPE(wxEVT_SET_FOCUS) +DEFINE_EVENT_TYPE(wxEVT_KILL_FOCUS) + +// Non-client mouse events +DEFINE_EVENT_TYPE(wxEVT_NC_LEFT_DOWN) +DEFINE_EVENT_TYPE(wxEVT_NC_LEFT_UP) +DEFINE_EVENT_TYPE(wxEVT_NC_MIDDLE_DOWN) +DEFINE_EVENT_TYPE(wxEVT_NC_MIDDLE_UP) +DEFINE_EVENT_TYPE(wxEVT_NC_RIGHT_DOWN) +DEFINE_EVENT_TYPE(wxEVT_NC_RIGHT_UP) +DEFINE_EVENT_TYPE(wxEVT_NC_MOTION) +DEFINE_EVENT_TYPE(wxEVT_NC_ENTER_WINDOW) +DEFINE_EVENT_TYPE(wxEVT_NC_LEAVE_WINDOW) +DEFINE_EVENT_TYPE(wxEVT_NC_LEFT_DCLICK) +DEFINE_EVENT_TYPE(wxEVT_NC_MIDDLE_DCLICK) +DEFINE_EVENT_TYPE(wxEVT_NC_RIGHT_DCLICK) + +// Character input event type +DEFINE_EVENT_TYPE(wxEVT_CHAR) +DEFINE_EVENT_TYPE(wxEVT_CHAR_HOOK) +DEFINE_EVENT_TYPE(wxEVT_NAVIGATION_KEY) +DEFINE_EVENT_TYPE(wxEVT_KEY_DOWN) +DEFINE_EVENT_TYPE(wxEVT_KEY_UP) + +// Set cursor event +DEFINE_EVENT_TYPE(wxEVT_SET_CURSOR) + +// wxScrollbar and wxSlider event identifiers +DEFINE_EVENT_TYPE(wxEVT_SCROLL_TOP) +DEFINE_EVENT_TYPE(wxEVT_SCROLL_BOTTOM) +DEFINE_EVENT_TYPE(wxEVT_SCROLL_LINEUP) +DEFINE_EVENT_TYPE(wxEVT_SCROLL_LINEDOWN) +DEFINE_EVENT_TYPE(wxEVT_SCROLL_PAGEUP) +DEFINE_EVENT_TYPE(wxEVT_SCROLL_PAGEDOWN) +DEFINE_EVENT_TYPE(wxEVT_SCROLL_THUMBTRACK) +DEFINE_EVENT_TYPE(wxEVT_SCROLL_THUMBRELEASE) + +// Scroll events from wxWindow +DEFINE_EVENT_TYPE(wxEVT_SCROLLWIN_TOP) +DEFINE_EVENT_TYPE(wxEVT_SCROLLWIN_BOTTOM) +DEFINE_EVENT_TYPE(wxEVT_SCROLLWIN_LINEUP) +DEFINE_EVENT_TYPE(wxEVT_SCROLLWIN_LINEDOWN) +DEFINE_EVENT_TYPE(wxEVT_SCROLLWIN_PAGEUP) +DEFINE_EVENT_TYPE(wxEVT_SCROLLWIN_PAGEDOWN) +DEFINE_EVENT_TYPE(wxEVT_SCROLLWIN_THUMBTRACK) +DEFINE_EVENT_TYPE(wxEVT_SCROLLWIN_THUMBRELEASE) + +// System events +DEFINE_EVENT_TYPE(wxEVT_SIZE) +DEFINE_EVENT_TYPE(wxEVT_MOVE) +DEFINE_EVENT_TYPE(wxEVT_CLOSE_WINDOW) +DEFINE_EVENT_TYPE(wxEVT_END_SESSION) +DEFINE_EVENT_TYPE(wxEVT_QUERY_END_SESSION) +DEFINE_EVENT_TYPE(wxEVT_ACTIVATE_APP) +DEFINE_EVENT_TYPE(wxEVT_POWER) +DEFINE_EVENT_TYPE(wxEVT_ACTIVATE) +DEFINE_EVENT_TYPE(wxEVT_CREATE) +DEFINE_EVENT_TYPE(wxEVT_DESTROY) +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_PAINT) +DEFINE_EVENT_TYPE(wxEVT_ERASE_BACKGROUND) +DEFINE_EVENT_TYPE(wxEVT_NC_PAINT) +DEFINE_EVENT_TYPE(wxEVT_PAINT_ICON) +DEFINE_EVENT_TYPE(wxEVT_MENU_CHAR) +DEFINE_EVENT_TYPE(wxEVT_MENU_INIT) +DEFINE_EVENT_TYPE(wxEVT_MENU_HIGHLIGHT) +DEFINE_EVENT_TYPE(wxEVT_POPUP_MENU_INIT) +DEFINE_EVENT_TYPE(wxEVT_CONTEXT_MENU) +DEFINE_EVENT_TYPE(wxEVT_SYS_COLOUR_CHANGED) +DEFINE_EVENT_TYPE(wxEVT_SETTING_CHANGED) +DEFINE_EVENT_TYPE(wxEVT_QUERY_NEW_PALETTE) +DEFINE_EVENT_TYPE(wxEVT_PALETTE_CHANGED) +DEFINE_EVENT_TYPE(wxEVT_JOY_BUTTON_DOWN) +DEFINE_EVENT_TYPE(wxEVT_JOY_BUTTON_UP) +DEFINE_EVENT_TYPE(wxEVT_JOY_MOVE) +DEFINE_EVENT_TYPE(wxEVT_JOY_ZMOVE) +DEFINE_EVENT_TYPE(wxEVT_DROP_FILES) +DEFINE_EVENT_TYPE(wxEVT_DRAW_ITEM) +DEFINE_EVENT_TYPE(wxEVT_MEASURE_ITEM) +DEFINE_EVENT_TYPE(wxEVT_COMPARE_ITEM) +DEFINE_EVENT_TYPE(wxEVT_INIT_DIALOG) +DEFINE_EVENT_TYPE(wxEVT_IDLE) +DEFINE_EVENT_TYPE(wxEVT_UPDATE_UI) + +// Generic command events +// Note: a click is a higher-level event than button down/up +DEFINE_EVENT_TYPE(wxEVT_COMMAND_LEFT_CLICK) +DEFINE_EVENT_TYPE(wxEVT_COMMAND_LEFT_DCLICK) +DEFINE_EVENT_TYPE(wxEVT_COMMAND_RIGHT_CLICK) +DEFINE_EVENT_TYPE(wxEVT_COMMAND_RIGHT_DCLICK) +DEFINE_EVENT_TYPE(wxEVT_COMMAND_SET_FOCUS) +DEFINE_EVENT_TYPE(wxEVT_COMMAND_KILL_FOCUS) +DEFINE_EVENT_TYPE(wxEVT_COMMAND_ENTER) + +// Help events +DEFINE_EVENT_TYPE(wxEVT_HELP) +DEFINE_EVENT_TYPE(wxEVT_DETAILED_HELP) + +#endif // !WXWIN_COMPATIBILITY_EVENT_TYPES + +// ============================================================================ +// implementation +// ============================================================================ + +// ---------------------------------------------------------------------------- +// event initialization +// ---------------------------------------------------------------------------- + +int wxNewEventType() +{ + // MT-FIXME + static int s_lastUsedEventType = wxEVT_FIRST; + +#if WXWIN_COMPATIBILITY_2 + // check that we don't overlap with the user-defined types: if it does + // happen, the best solution is probably to update the existing code to + // use wxNewEventType() instead of wxEVT_USER_FIRST + // + // due to the uncertainty + wxASSERT_MSG( s_lastUsedEventType < wxEVT_USER_FIRST - 1, + _T("possible event type conflict") ); +#endif // WXWIN_COMPATIBILITY_2 + + return s_lastUsedEventType++; +} + +// ---------------------------------------------------------------------------- +// wxEvent +// ---------------------------------------------------------------------------- + /* * General wxWindows events, covering * all interesting things that might happen (button clicking, resizing, @@ -102,7 +302,7 @@ 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; @@ -114,6 +314,8 @@ void wxEvent::CopyObject(wxObject& object_dest) const obj->m_isCommandEvent = m_isCommandEvent; } +#if wxUSE_GUI + /* * Command events * @@ -127,20 +329,34 @@ 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); - obj->m_clientData = m_clientData; - obj->m_clientObject = m_clientObject; - obj->m_extraLong = m_extraLong; - obj->m_commandInt = m_commandInt; + obj->m_clientData = m_clientData; + obj->m_clientObject = m_clientObject; + obj->m_extraLong = m_extraLong; + obj->m_commandInt = m_commandInt; + obj->m_commandString = m_commandString; +} + +/* + * Notify events + */ + +void wxNotifyEvent::CopyObject(wxObject& obj_d) const +{ + wxNotifyEvent *obj = (wxNotifyEvent *)&obj_d; + + wxEvent::CopyObject(obj_d); + + if (!m_bAllow) obj->Veto(); } /* @@ -170,6 +386,16 @@ wxScrollWinEvent::wxScrollWinEvent(wxEventType commandType, 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 * @@ -221,7 +447,7 @@ 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; @@ -242,7 +468,7 @@ 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; @@ -262,7 +488,7 @@ 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; @@ -273,7 +499,7 @@ 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: @@ -281,7 +507,7 @@ 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; @@ -299,7 +525,7 @@ 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; @@ -334,6 +560,10 @@ void wxKeyEvent::CopyObject(wxObject& obj_d) const wxKeyEvent *obj = (wxKeyEvent *)&obj_d; wxEvent::CopyObject(obj_d); + obj->m_x = m_x; + obj->m_y = m_y; + obj->m_keyCode = m_keyCode; + obj->m_shiftDown = m_shiftDown; obj->m_controlDown = m_controlDown; obj->m_metaDown = m_metaDown; @@ -398,7 +628,7 @@ 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; @@ -417,7 +647,7 @@ void wxJoystickEvent::CopyObject(wxObject& obj_d) const obj->m_buttonChange = m_buttonChange; obj->m_buttonState = m_buttonState; obj->m_joyStick = m_joyStick; -} +} void wxDropFilesEvent::CopyObject(wxObject& obj_d) const { @@ -427,15 +657,7 @@ void wxDropFilesEvent::CopyObject(wxObject& obj_d) const 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 wxIdleEvent::CopyObject(wxObject& obj_d) const -{ - wxIdleEvent *obj = (wxIdleEvent *)&obj_d; - wxEvent::CopyObject(obj_d); - - obj->m_requestMore = m_requestMore; + // destructor of the event. } void wxUpdateUIEvent::CopyObject(wxObject &obj_d) const @@ -468,17 +690,27 @@ void wxQueryNewPaletteEvent::CopyObject(wxObject& obj_d) const } wxWindowCreateEvent::wxWindowCreateEvent(wxWindow *win) - : wxEvent(wxEVT_CREATE) { + SetEventType(wxEVT_CREATE); SetEventObject(win); } wxWindowDestroyEvent::wxWindowDestroyEvent(wxWindow *win) - : wxEvent(wxEVT_DESTROY) { + SetEventType(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 */ @@ -490,10 +722,12 @@ 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() @@ -510,70 +744,121 @@ wxEvtHandler::~wxEvtHandler() wxNode *node = m_dynamicEvents->First(); while (node) { +#if WXWIN_COMPATIBILITY_EVENT_TYPES wxEventTableEntry *entry = (wxEventTableEntry*)node->Data(); - if (entry->m_callbackUserData) delete entry->m_callbackUserData; +#else // !WXWIN_COMPATIBILITY_EVENT_TYPES + wxDynamicEventTableEntry *entry = (wxDynamicEventTableEntry*)node->Data(); +#endif // WXWIN_COMPATIBILITY_EVENT_TYPES/!WXWIN_COMPATIBILITY_EVENT_TYPES + + if (entry->m_callbackUserData) + delete entry->m_callbackUserData; delete entry; node = node->Next(); } 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 - // check that we are really in a child thread - wxASSERT( !wxThread::IsMain() ); +#if defined(__VISAGECPP__) + wxENTER_CRIT_SECT( m_eventsLocker); +#else + wxENTER_CRIT_SECT( *m_eventsLocker); +#endif + + if ( !m_pendingEvents ) + m_pendingEvents = new wxList; - if (m_pendingEvents == NULL) - m_pendingEvents = new wxList(); + wxEvent *event2 = (wxEvent *)event.Clone(); + + m_pendingEvents->Append(event2); + +#if defined(__VISAGECPP__) + wxLEAVE_CRIT_SECT( m_eventsLocker); +#else + wxLEAVE_CRIT_SECT( *m_eventsLocker); +#endif - event_main = (wxEvent *)event.Clone(); + // 2) Add this event handler to list of event handlers that + // have pending events. - m_pendingEvents->Append(event_main); + 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 + wxLEAVE_CRIT_SECT(*wxPendingEventsLocker); - return TRUE; + // 3) Inform the system that new pending events are somwehere, + // and that these should be processed in idle time. + wxWakeUpIdle(); } void wxEvtHandler::ProcessPendingEvents() { - wxCriticalSectionLocker locker(*m_eventsLocker); +#if defined(__VISAGECPP__) + wxENTER_CRIT_SECT( m_eventsLocker); +#else + wxENTER_CRIT_SECT( *m_eventsLocker); +#endif + wxNode *node = m_pendingEvents->First(); - wxEvent *event; + while ( node ) + { + wxEvent *event = (wxEvent *)node->Data(); + delete node; - while (node != NULL) { - event = (wxEvent *)node->Data(); - ProcessEvent(*event); - delete node; - node = m_pendingEvents->First(); + // 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 @@ -581,26 +866,35 @@ 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()) + +#if 0 +/* + What is this? When using GUI threads, a non main + threads can send an event and process it itself. + This breaks GTK's GUI threads, so please explain. +*/ + + // Check whether we are in a child thread. + if ( !wxThread::IsMain() ) return ProcessThreadEvent(event); #endif - // Handle per-instance dynamic event tables first + // 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. @@ -609,7 +903,7 @@ 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; @@ -624,9 +918,10 @@ bool wxEvtHandler::ProcessEvent(wxEvent& event) } } } +#endif // Search upwards through the inheritance hierarchy - while ( table ) + while (table) { if ( SearchEventTable((wxEventTable&)*table, event) ) return TRUE; @@ -641,6 +936,7 @@ 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 @@ -651,6 +947,7 @@ 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) ) @@ -670,48 +967,64 @@ bool wxEvtHandler::ProcessEvent(wxEvent& event) bool wxEvtHandler::SearchEventTable(wxEventTable& table, wxEvent& event) { - int i = 0; - int commandId = event.GetId(); + wxEventType eventType = event.GetEventType(); + int eventId = event.GetId(); - // BC++ doesn't like while (table.entries[i].m_fn) - -#ifdef __SC__ - while (table.entries[i].m_fn != 0) + // BC++ doesn't like testing for m_fn without != 0 + for ( int i = 0; table.entries[i].m_fn != 0; i++ ) + { + // the line using reference exposes a bug in gcc: although it _seems_ + // to work, it leads to weird crashes later on during program + // execution +#ifdef __GNUG__ + wxEventTableEntry entry = table.entries[i]; #else - while (table.entries[i].m_fn != 0L) + const wxEventTableEntry& entry = table.entries[i]; #endif - { - if ((event.GetEventType() == table.entries[i].m_eventType) && - (table.entries[i].m_id == -1 || // Match, if event spec says any id will do (id == -1) - (table.entries[i].m_lastId == -1 && commandId == table.entries[i].m_id) || - (table.entries[i].m_lastId != -1 && - (commandId >= table.entries[i].m_id && commandId <= table.entries[i].m_lastId)))) + + // match only if the event type is the same and the id is either -1 in + // 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 ( eventType == entry.m_eventType ) { - event.Skip(FALSE); - event.m_callbackUserData = table.entries[i].m_callbackUserData; + int tableId1 = entry.m_id, + tableId2 = entry.m_lastId; - (this->*((wxEventFunction) (table.entries[i].m_fn)))(event); + if ( (tableId1 == -1) || + (tableId2 == -1 && eventId == tableId1) || + (tableId2 != -1 && + (eventId >= tableId1 && eventId <= tableId2)) ) + { + event.Skip(FALSE); + event.m_callbackUserData = entry.m_callbackUserData; - if ( event.GetSkipped() ) - return FALSE; - else - return TRUE; + (this->*((wxEventFunction) (entry.m_fn)))(event); + + return !event.GetSkipped(); + } } - i++; } + return FALSE; } + void wxEvtHandler::Connect( int id, int lastId, - wxEventType eventType, + int eventType, wxObjectEventFunction func, wxObject *userData ) { +#if WXWIN_COMPATIBILITY_EVENT_TYPES wxEventTableEntry *entry = new wxEventTableEntry; + entry->m_eventType = eventType; entry->m_id = id; entry->m_lastId = lastId; - entry->m_eventType = eventType; entry->m_fn = func; entry->m_callbackUserData = userData; +#else // !WXWIN_COMPATIBILITY_EVENT_TYPES + wxDynamicEventTableEntry *entry = + new wxDynamicEventTableEntry(eventType, id, lastId, func, userData); +#endif // WXWIN_COMPATIBILITY_EVENT_TYPES/!WXWIN_COMPATIBILITY_EVENT_TYPES if (!m_dynamicEvents) m_dynamicEvents = new wxList; @@ -719,17 +1032,54 @@ 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) + { +#if WXWIN_COMPATIBILITY_EVENT_TYPES + wxEventTableEntry *entry = (wxEventTableEntry*)node->Data(); +#else // !WXWIN_COMPATIBILITY_EVENT_TYPES + wxDynamicEventTableEntry *entry = (wxDynamicEventTableEntry*)node->Data(); +#endif // WXWIN_COMPATIBILITY_EVENT_TYPES/!WXWIN_COMPATIBILITY_EVENT_TYPES + + 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(); wxNode *node = m_dynamicEvents->First(); while (node) { - wxEventTableEntry *entry = (wxEventTableEntry*)node->Data(); +#if WXWIN_COMPATIBILITY_EVENT_TYPES + wxEventTableEntry *entry = (wxEventTableEntry*)node->Data(); +#else // !WXWIN_COMPATIBILITY_EVENT_TYPES + wxDynamicEventTableEntry *entry = (wxDynamicEventTableEntry*)node->Data(); +#endif // WXWIN_COMPATIBILITY_EVENT_TYPES/!WXWIN_COMPATIBILITY_EVENT_TYPES if (entry->m_fn) { @@ -766,6 +1116,8 @@ 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) @@ -789,3 +1141,4 @@ wxWindow* wxFindFocusDescendant(wxWindow* ancestor) return focusWin; } +#endif // wxUSE_GUI