X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/80584ea306c78afc54aa50e8f9539ec3afb99183..63a65070911908802c27b52173c3306e93dd63bf:/src/common/event.cpp?ds=sidebyside diff --git a/src/common/event.cpp b/src/common/event.cpp index fb953f101a..fcb917dae8 100644 --- a/src/common/event.cpp +++ b/src/common/event.cpp @@ -1,11 +1,11 @@ ///////////////////////////////////////////////////////////////////////////// -// Name: event.cpp +// Name: src/common/event.cpp // Purpose: Event classes // Author: Julian Smart // Modified by: // Created: 01/02/97 // RCS-ID: $Id$ -// Copyright: (c) Julian Smart and Markus Holzem +// Copyright: (c) Julian Smart // Licence: wxWindows licence ///////////////////////////////////////////////////////////////////////////// @@ -17,10 +17,6 @@ // headers // ---------------------------------------------------------------------------- -#ifdef __GNUG__ - #pragma implementation "event.h" -#endif - // For compilers that support precompilation, includes "wx.h". #include "wx/wxprec.h" @@ -28,176 +24,517 @@ #pragma hdrstop #endif +#include "wx/event.h" +#include "wx/evtloop.h" + #ifndef WX_PRECOMP - #include "wx/defs.h" - #include "wx/app.h" #include "wx/list.h" + #include "wx/log.h" + #include "wx/app.h" + #include "wx/utils.h" + #include "wx/stopwatch.h" + #include "wx/module.h" #if wxUSE_GUI + #include "wx/window.h" #include "wx/control.h" - #include "wx/utils.h" #include "wx/dc.h" + #include "wx/spinbutt.h" + #include "wx/textctrl.h" + #include "wx/validate.h" #endif // wxUSE_GUI #endif -#include "wx/event.h" +#include "wx/thread.h" -#if wxUSE_GUI - #include "wx/validate.h" -#endif // wxUSE_GUI +#if wxUSE_BASE + #include "wx/scopedptr.h" + + wxDECLARE_SCOPED_PTR(wxEvent, wxEventPtr) + wxDEFINE_SCOPED_PTR(wxEvent, wxEventPtr) +#endif // wxUSE_BASE // ---------------------------------------------------------------------------- // wxWin macros // ---------------------------------------------------------------------------- -#if !USE_SHARED_LIBRARY +#if wxUSE_BASE IMPLEMENT_DYNAMIC_CLASS(wxEvtHandler, wxObject) IMPLEMENT_ABSTRACT_CLASS(wxEvent, wxObject) IMPLEMENT_DYNAMIC_CLASS(wxIdleEvent, wxEvent) +#endif // wxUSE_BASE - #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 +#if wxUSE_GUI + IMPLEMENT_DYNAMIC_CLASS(wxCommandEvent, wxEvent) + IMPLEMENT_DYNAMIC_CLASS(wxThreadEvent, wxCommandEvent) + 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(wxNcPaintEvent, wxEvent) + IMPLEMENT_DYNAMIC_CLASS(wxEraseEvent, wxEvent) + IMPLEMENT_DYNAMIC_CLASS(wxMoveEvent, wxEvent) + IMPLEMENT_DYNAMIC_CLASS(wxFocusEvent, wxEvent) + IMPLEMENT_DYNAMIC_CLASS(wxChildFocusEvent, wxCommandEvent) + 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(wxSetCursorEvent, wxEvent) + IMPLEMENT_DYNAMIC_CLASS(wxSysColourChangedEvent, wxEvent) + IMPLEMENT_DYNAMIC_CLASS(wxDisplayChangedEvent, wxEvent) + IMPLEMENT_DYNAMIC_CLASS(wxUpdateUIEvent, wxCommandEvent) + IMPLEMENT_DYNAMIC_CLASS(wxNavigationKeyEvent, wxEvent) + 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) + 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 + +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] }; +wxEventHashTable &wxEvtHandler::GetEventHashTable() const + { return wxEvtHandler::sm_eventHashTable; } - const wxEventTableEntry wxEvtHandler::sm_eventTableEntries[] = - { { 0, 0, 0, (wxObjectEventFunction) NULL, (wxObject*) NULL } }; +wxEventHashTable wxEvtHandler::sm_eventHashTable(wxEvtHandler::sm_eventTable); -#endif // !USE_SHARED_LIBRARY +const wxEventTableEntry wxEvtHandler::sm_eventTableEntries[] = + { wxDECLARE_EVENT_TABLE_TERMINATOR() }; + + +// wxUSE_MEMORY_TRACING considers memory freed from the static objects dtors +// leaked, so we need to manually clean up all event tables before checking for +// the memory leaks when using it, however this breaks re-initializing the +// library (i.e. repeated calls to wxInitialize/wxUninitialize) because the +// event tables won't be rebuilt the next time, so disable this by default +#if wxUSE_MEMORY_TRACING + +class wxEventTableEntryModule: public wxModule +{ +public: + wxEventTableEntryModule() { } + virtual bool OnInit() { return true; } + virtual void OnExit() { wxEventHashTable::ClearAll(); } + + DECLARE_DYNAMIC_CLASS(wxEventTableEntryModule) +}; + +IMPLEMENT_DYNAMIC_CLASS(wxEventTableEntryModule, wxModule) + +#endif // wxUSE_MEMORY_TRACING // ---------------------------------------------------------------------------- // global variables // ---------------------------------------------------------------------------- -// To put pending event handlers -wxList *wxPendingEvents = (wxList *)NULL; +// common event types are defined here, other event types are defined by the +// components which use them -#if wxUSE_THREADS - // protects wxPendingEvents list - wxCriticalSection *wxPendingEventsLocker = (wxCriticalSection *)NULL; +const wxEventType wxEVT_FIRST = 10000; +const wxEventType wxEVT_USER_FIRST = wxEVT_FIRST + 2000; +const wxEventType wxEVT_NULL = wxNewEventType(); + +wxDEFINE_EVENT( wxEVT_IDLE, wxIdleEvent ); + +#endif // wxUSE_BASE + +#if wxUSE_GUI + +wxDEFINE_EVENT( wxEVT_COMMAND_BUTTON_CLICKED, wxCommandEvent ); +wxDEFINE_EVENT( wxEVT_COMMAND_CHECKBOX_CLICKED, wxCommandEvent ); +wxDEFINE_EVENT( wxEVT_COMMAND_CHOICE_SELECTED, wxCommandEvent ); +wxDEFINE_EVENT( wxEVT_COMMAND_LISTBOX_SELECTED, wxCommandEvent ); +wxDEFINE_EVENT( wxEVT_COMMAND_LISTBOX_DOUBLECLICKED, wxCommandEvent ); +wxDEFINE_EVENT( wxEVT_COMMAND_CHECKLISTBOX_TOGGLED, wxCommandEvent ); +wxDEFINE_EVENT( wxEVT_COMMAND_MENU_SELECTED, wxCommandEvent ); +wxDEFINE_EVENT( wxEVT_COMMAND_SLIDER_UPDATED, wxCommandEvent ); +wxDEFINE_EVENT( wxEVT_COMMAND_RADIOBOX_SELECTED, wxCommandEvent ); +wxDEFINE_EVENT( wxEVT_COMMAND_RADIOBUTTON_SELECTED, wxCommandEvent ); +wxDEFINE_EVENT( wxEVT_COMMAND_SCROLLBAR_UPDATED, wxCommandEvent ); +wxDEFINE_EVENT( wxEVT_COMMAND_VLBOX_SELECTED, wxCommandEvent ); +wxDEFINE_EVENT( wxEVT_COMMAND_COMBOBOX_SELECTED, wxCommandEvent ); +wxDEFINE_EVENT( wxEVT_COMMAND_TOOL_RCLICKED, wxCommandEvent ); +wxDEFINE_EVENT( wxEVT_COMMAND_TOOL_ENTER, wxCommandEvent ); +wxDEFINE_EVENT( wxEVT_COMMAND_SPINCTRL_UPDATED, wxCommandEvent ); +wxDEFINE_EVENT( wxEVT_COMMAND_SPINCTRLDOUBLE_UPDATED, wxCommandEvent ); +wxDEFINE_EVENT( wxEVT_COMMAND_TOOL_DROPDOWN_CLICKED, wxCommandEvent ); +wxDEFINE_EVENT( wxEVT_COMMAND_COMBOBOX_DROPDOWN, wxCommandEvent); +wxDEFINE_EVENT( wxEVT_COMMAND_COMBOBOX_CLOSEUP, wxCommandEvent); + +// Mouse event types +wxDEFINE_EVENT( wxEVT_LEFT_DOWN, wxMouseEvent ); +wxDEFINE_EVENT( wxEVT_LEFT_UP, wxMouseEvent ); +wxDEFINE_EVENT( wxEVT_MIDDLE_DOWN, wxMouseEvent ); +wxDEFINE_EVENT( wxEVT_MIDDLE_UP, wxMouseEvent ); +wxDEFINE_EVENT( wxEVT_RIGHT_DOWN, wxMouseEvent ); +wxDEFINE_EVENT( wxEVT_RIGHT_UP, wxMouseEvent ); +wxDEFINE_EVENT( wxEVT_MOTION, wxMouseEvent ); +wxDEFINE_EVENT( wxEVT_ENTER_WINDOW, wxMouseEvent ); +wxDEFINE_EVENT( wxEVT_LEAVE_WINDOW, wxMouseEvent ); +wxDEFINE_EVENT( wxEVT_LEFT_DCLICK, wxMouseEvent ); +wxDEFINE_EVENT( wxEVT_MIDDLE_DCLICK, wxMouseEvent ); +wxDEFINE_EVENT( wxEVT_RIGHT_DCLICK, wxMouseEvent ); +wxDEFINE_EVENT( wxEVT_SET_FOCUS, wxFocusEvent ); +wxDEFINE_EVENT( wxEVT_KILL_FOCUS, wxFocusEvent ); +wxDEFINE_EVENT( wxEVT_CHILD_FOCUS, wxChildFocusEvent ); +wxDEFINE_EVENT( wxEVT_MOUSEWHEEL, wxMouseEvent ); +wxDEFINE_EVENT( wxEVT_AUX1_DOWN, wxMouseEvent ); +wxDEFINE_EVENT( wxEVT_AUX1_UP, wxMouseEvent ); +wxDEFINE_EVENT( wxEVT_AUX1_DCLICK, wxMouseEvent ); +wxDEFINE_EVENT( wxEVT_AUX2_DOWN, wxMouseEvent ); +wxDEFINE_EVENT( wxEVT_AUX2_UP, wxMouseEvent ); +wxDEFINE_EVENT( wxEVT_AUX2_DCLICK, wxMouseEvent ); + +// Character input event type +wxDEFINE_EVENT( wxEVT_CHAR, wxKeyEvent ); +wxDEFINE_EVENT( wxEVT_AFTER_CHAR, wxKeyEvent ); +wxDEFINE_EVENT( wxEVT_CHAR_HOOK, wxKeyEvent ); +wxDEFINE_EVENT( wxEVT_NAVIGATION_KEY, wxNavigationKeyEvent ); +wxDEFINE_EVENT( wxEVT_KEY_DOWN, wxKeyEvent ); +wxDEFINE_EVENT( wxEVT_KEY_UP, wxKeyEvent ); +#if wxUSE_HOTKEY +wxDEFINE_EVENT( wxEVT_HOTKEY, wxKeyEvent ); #endif +// Set cursor event +wxDEFINE_EVENT( wxEVT_SET_CURSOR, wxSetCursorEvent ); + +// wxScrollbar and wxSlider event identifiers +wxDEFINE_EVENT( wxEVT_SCROLL_TOP, wxScrollEvent ); +wxDEFINE_EVENT( wxEVT_SCROLL_BOTTOM, wxScrollEvent ); +wxDEFINE_EVENT( wxEVT_SCROLL_LINEUP, wxScrollEvent ); +wxDEFINE_EVENT( wxEVT_SCROLL_LINEDOWN, wxScrollEvent ); +wxDEFINE_EVENT( wxEVT_SCROLL_PAGEUP, wxScrollEvent ); +wxDEFINE_EVENT( wxEVT_SCROLL_PAGEDOWN, wxScrollEvent ); +wxDEFINE_EVENT( wxEVT_SCROLL_THUMBTRACK, wxScrollEvent ); +wxDEFINE_EVENT( wxEVT_SCROLL_THUMBRELEASE, wxScrollEvent ); +wxDEFINE_EVENT( wxEVT_SCROLL_CHANGED, wxScrollEvent ); + +// Due to a bug in older wx versions, wxSpinEvents were being sent with type of +// wxEVT_SCROLL_LINEUP, wxEVT_SCROLL_LINEDOWN and wxEVT_SCROLL_THUMBTRACK. But +// with the type-safe events in place, these event types are associated with +// wxScrollEvent. To allow handling of spin events, new event types have been +// defined in spinbutt.h/spinnbuttcmn.cpp. To maintain backward compatibility +// the spin event types are being initialized with the scroll event types. + +#if wxUSE_SPINBTN + +wxDEFINE_EVENT_ALIAS( wxEVT_SPIN_UP, wxSpinEvent, wxEVT_SCROLL_LINEUP ); +wxDEFINE_EVENT_ALIAS( wxEVT_SPIN_DOWN, wxSpinEvent, wxEVT_SCROLL_LINEDOWN ); +wxDEFINE_EVENT_ALIAS( wxEVT_SPIN, wxSpinEvent, wxEVT_SCROLL_THUMBTRACK ); + +#endif // wxUSE_SPINBTN + +// Scroll events from wxWindow +wxDEFINE_EVENT( wxEVT_SCROLLWIN_TOP, wxScrollWinEvent ); +wxDEFINE_EVENT( wxEVT_SCROLLWIN_BOTTOM, wxScrollWinEvent ); +wxDEFINE_EVENT( wxEVT_SCROLLWIN_LINEUP, wxScrollWinEvent ); +wxDEFINE_EVENT( wxEVT_SCROLLWIN_LINEDOWN, wxScrollWinEvent ); +wxDEFINE_EVENT( wxEVT_SCROLLWIN_PAGEUP, wxScrollWinEvent ); +wxDEFINE_EVENT( wxEVT_SCROLLWIN_PAGEDOWN, wxScrollWinEvent ); +wxDEFINE_EVENT( wxEVT_SCROLLWIN_THUMBTRACK, wxScrollWinEvent ); +wxDEFINE_EVENT( wxEVT_SCROLLWIN_THUMBRELEASE, wxScrollWinEvent ); + +// System events +wxDEFINE_EVENT( wxEVT_SIZE, wxSizeEvent ); +wxDEFINE_EVENT( wxEVT_SIZING, wxSizeEvent ); +wxDEFINE_EVENT( wxEVT_MOVE, wxMoveEvent ); +wxDEFINE_EVENT( wxEVT_MOVING, wxMoveEvent ); +wxDEFINE_EVENT( wxEVT_MOVE_START, wxMoveEvent ); +wxDEFINE_EVENT( wxEVT_MOVE_END, wxMoveEvent ); +wxDEFINE_EVENT( wxEVT_CLOSE_WINDOW, wxCloseEvent ); +wxDEFINE_EVENT( wxEVT_END_SESSION, wxCloseEvent ); +wxDEFINE_EVENT( wxEVT_QUERY_END_SESSION, wxCloseEvent ); +wxDEFINE_EVENT( wxEVT_HIBERNATE, wxActivateEvent ); +wxDEFINE_EVENT( wxEVT_ACTIVATE_APP, wxActivateEvent ); +wxDEFINE_EVENT( wxEVT_ACTIVATE, wxActivateEvent ); +wxDEFINE_EVENT( wxEVT_CREATE, wxWindowCreateEvent ); +wxDEFINE_EVENT( wxEVT_DESTROY, wxWindowDestroyEvent ); +wxDEFINE_EVENT( wxEVT_SHOW, wxShowEvent ); +wxDEFINE_EVENT( wxEVT_ICONIZE, wxIconizeEvent ); +wxDEFINE_EVENT( wxEVT_MAXIMIZE, wxMaximizeEvent ); +wxDEFINE_EVENT( wxEVT_MOUSE_CAPTURE_CHANGED, wxMouseCaptureChangedEvent ); +wxDEFINE_EVENT( wxEVT_MOUSE_CAPTURE_LOST, wxMouseCaptureLostEvent ); +wxDEFINE_EVENT( wxEVT_PAINT, wxPaintEvent ); +wxDEFINE_EVENT( wxEVT_ERASE_BACKGROUND, wxEraseEvent ); +wxDEFINE_EVENT( wxEVT_NC_PAINT, wxNcPaintEvent ); +wxDEFINE_EVENT( wxEVT_MENU_OPEN, wxMenuEvent ); +wxDEFINE_EVENT( wxEVT_MENU_CLOSE, wxMenuEvent ); +wxDEFINE_EVENT( wxEVT_MENU_HIGHLIGHT, wxMenuEvent ); +wxDEFINE_EVENT( wxEVT_CONTEXT_MENU, wxContextMenuEvent ); +wxDEFINE_EVENT( wxEVT_SYS_COLOUR_CHANGED, wxSysColourChangedEvent ); +wxDEFINE_EVENT( wxEVT_DISPLAY_CHANGED, wxDisplayChangedEvent ); +wxDEFINE_EVENT( wxEVT_QUERY_NEW_PALETTE, wxQueryNewPaletteEvent ); +wxDEFINE_EVENT( wxEVT_PALETTE_CHANGED, wxPaletteChangedEvent ); +wxDEFINE_EVENT( wxEVT_JOY_BUTTON_DOWN, wxJoystickEvent ); +wxDEFINE_EVENT( wxEVT_JOY_BUTTON_UP, wxJoystickEvent ); +wxDEFINE_EVENT( wxEVT_JOY_MOVE, wxJoystickEvent ); +wxDEFINE_EVENT( wxEVT_JOY_ZMOVE, wxJoystickEvent ); +wxDEFINE_EVENT( wxEVT_DROP_FILES, wxDropFilesEvent ); +wxDEFINE_EVENT( wxEVT_INIT_DIALOG, wxInitDialogEvent ); +wxDEFINE_EVENT( wxEVT_UPDATE_UI, wxUpdateUIEvent ); + +// Clipboard events +wxDEFINE_EVENT( wxEVT_COMMAND_TEXT_COPY, wxClipboardTextEvent ); +wxDEFINE_EVENT( wxEVT_COMMAND_TEXT_CUT, wxClipboardTextEvent ); +wxDEFINE_EVENT( wxEVT_COMMAND_TEXT_PASTE, wxClipboardTextEvent ); + +// Generic command events +// Note: a click is a higher-level event than button down/up +wxDEFINE_EVENT( wxEVT_COMMAND_LEFT_CLICK, wxCommandEvent ); +wxDEFINE_EVENT( wxEVT_COMMAND_LEFT_DCLICK, wxCommandEvent ); +wxDEFINE_EVENT( wxEVT_COMMAND_RIGHT_CLICK, wxCommandEvent ); +wxDEFINE_EVENT( wxEVT_COMMAND_RIGHT_DCLICK, wxCommandEvent ); +wxDEFINE_EVENT( wxEVT_COMMAND_SET_FOCUS, wxCommandEvent ); +wxDEFINE_EVENT( wxEVT_COMMAND_KILL_FOCUS, wxCommandEvent ); +wxDEFINE_EVENT( wxEVT_COMMAND_ENTER, wxCommandEvent ); + +// Help events +wxDEFINE_EVENT( wxEVT_HELP, wxHelpEvent ); +wxDEFINE_EVENT( wxEVT_DETAILED_HELP, wxHelpEvent ); + +// Thread event +wxDEFINE_EVENT( wxEVT_COMMAND_THREAD, wxThreadEvent ); + +#endif // wxUSE_GUI + +#if wxUSE_BASE + +wxIdleMode wxIdleEvent::sm_idleMode = wxIDLE_PROCESS_ALL; + // ============================================================================ // implementation // ============================================================================ +// ---------------------------------------------------------------------------- +// event initialization +// ---------------------------------------------------------------------------- + +int wxNewEventType() +{ + // MT-FIXME + static int s_lastUsedEventType = wxEVT_FIRST; + + return s_lastUsedEventType++; +} +// ---------------------------------------------------------------------------- +// wxEventFunctor +// ---------------------------------------------------------------------------- + +wxEventFunctor::~wxEventFunctor() +{ +} + // ---------------------------------------------------------------------------- // wxEvent // ---------------------------------------------------------------------------- /* - * General wxWindows events, covering - * all interesting things that might happen (button clicking, resizing, - * setting text in widgets, etc.). + * General wxWidgets events, covering all interesting things that might happen + * (button clicking, resizing, setting text in widgets, etc.). * * For each completely new event type, derive a new event class. * */ -wxEvent::wxEvent(int theId) +wxEvent::wxEvent(int theId, wxEventType commandType) { - m_eventType = wxEVT_NULL; - m_eventObject = (wxObject *) NULL; + m_eventType = commandType; + m_eventObject = NULL; m_timeStamp = 0; m_id = theId; - m_skipped = FALSE; - m_callbackUserData = (wxObject *) NULL; - m_isCommandEvent = FALSE; + m_skipped = false; + m_callbackUserData = NULL; + m_handlerToProcessOnlyIn = NULL; + m_isCommandEvent = false; + m_propagationLevel = wxEVENT_PROPAGATE_NONE; + m_wasProcessed = false; +} + +wxEvent::wxEvent(const wxEvent& src) + : wxObject(src) + , m_eventObject(src.m_eventObject) + , m_eventType(src.m_eventType) + , m_timeStamp(src.m_timeStamp) + , m_id(src.m_id) + , m_callbackUserData(src.m_callbackUserData) + , m_handlerToProcessOnlyIn(NULL) + , m_propagationLevel(src.m_propagationLevel) + , m_skipped(src.m_skipped) + , m_isCommandEvent(src.m_isCommandEvent) + , m_wasProcessed(false) +{ } -void wxEvent::CopyObject(wxObject& object_dest) const +wxEvent& wxEvent::operator=(const wxEvent& src) { - wxEvent *obj = (wxEvent *)&object_dest; - wxObject::CopyObject(object_dest); + wxObject::operator=(src); - obj->m_eventType = m_eventType; - obj->m_eventObject = m_eventObject; - obj->m_timeStamp = m_timeStamp; - obj->m_id = m_id; - obj->m_skipped = m_skipped; - obj->m_callbackUserData = m_callbackUserData; - obj->m_isCommandEvent = m_isCommandEvent; + m_eventObject = src.m_eventObject; + m_eventType = src.m_eventType; + m_timeStamp = src.m_timeStamp; + m_id = src.m_id; + m_callbackUserData = src.m_callbackUserData; + m_handlerToProcessOnlyIn = NULL; + m_propagationLevel = src.m_propagationLevel; + m_skipped = src.m_skipped; + m_isCommandEvent = src.m_isCommandEvent; + + // don't change m_wasProcessed + + return *this; } +#endif // wxUSE_BASE + #if wxUSE_GUI -/* - * Command events - * - */ +// ---------------------------------------------------------------------------- +// wxCommandEvent +// ---------------------------------------------------------------------------- + +#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) { - m_eventType = commandType; - m_clientData = (char *) NULL; - m_clientObject = (wxClientData *) NULL; + m_clientData = NULL; + m_clientObject = NULL; m_extraLong = 0; m_commandInt = 0; - m_id = theId; - m_commandString = wxEmptyString; - m_isCommandEvent = TRUE; + m_isCommandEvent = true; + + // the command events are propagated upwards by default + m_propagationLevel = wxEVENT_PROPAGATE_MAX; } -void wxCommandEvent::CopyObject(wxObject& obj_d) const +#ifdef __VISUALC__ + #pragma warning(default:4355) +#endif + +wxString wxCommandEvent::GetString() const { - wxCommandEvent *obj = (wxCommandEvent *)&obj_d; + 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; + } +} + +// ---------------------------------------------------------------------------- +// wxUpdateUIEvent +// ---------------------------------------------------------------------------- + +#if wxUSE_LONGLONG +wxLongLong wxUpdateUIEvent::sm_lastUpdate = 0; +#endif - wxEvent::CopyObject(obj_d); +long wxUpdateUIEvent::sm_updateInterval = 0; - obj->m_clientData = m_clientData; - obj->m_clientObject = m_clientObject; - obj->m_extraLong = m_extraLong; - obj->m_commandInt = m_commandInt; +wxUpdateUIMode wxUpdateUIEvent::sm_updateMode = wxUPDATE_UI_PROCESS_ALL; + +// Can we update? +bool wxUpdateUIEvent::CanUpdate(wxWindowBase *win) +{ + // Don't update if we've switched global updating off + // and this window doesn't support updates. + if (win && + (GetMode() == wxUPDATE_UI_PROCESS_SPECIFIED && + ((win->GetExtraStyle() & wxWS_EX_PROCESS_UI_UPDATES) == 0))) + return false; + + // Don't update children of the hidden windows: this is useless as any + // change to their state won't be seen by the user anyhow. Notice that this + // argument doesn't apply to the hidden windows (with visible parent) + // themselves as they could be shown by their EVT_UPDATE_UI handler. + if ( win->GetParent() && !win->GetParent()->IsShownOnScreen() ) + return false; + + if (sm_updateInterval == -1) + return false; + + if (sm_updateInterval == 0) + return true; + +#if wxUSE_STOPWATCH && wxUSE_LONGLONG + wxLongLong now = wxGetLocalTimeMillis(); + if (now > (sm_lastUpdate + sm_updateInterval)) + { + return true; + } + + 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 } -/* - * Scroll events - */ +// Reset the update time to provide a delay until the next +// time we should update +void wxUpdateUIEvent::ResetUpdateTime() +{ +#if wxUSE_STOPWATCH && wxUSE_LONGLONG + if (sm_updateInterval > 0) + { + wxLongLong now = wxGetLocalTimeMillis(); + if (now > (sm_lastUpdate + sm_updateInterval)) + { + sm_lastUpdate = now; + } + } +#endif +} + +// ---------------------------------------------------------------------------- +// wxScrollEvent +// ---------------------------------------------------------------------------- wxScrollEvent::wxScrollEvent(wxEventType commandType, int id, int pos, int orient) - : wxCommandEvent(commandType, id) + : wxCommandEvent(commandType, id) { m_extraLong = orient; m_commandInt = pos; } -/* - * ScrollWin events - */ +// ---------------------------------------------------------------------------- +// wxScrollWinEvent +// ---------------------------------------------------------------------------- wxScrollWinEvent::wxScrollWinEvent(wxEventType commandType, int pos, @@ -208,149 +545,186 @@ 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 - * - */ +// ---------------------------------------------------------------------------- +// wxMouseEvent +// ---------------------------------------------------------------------------- wxMouseEvent::wxMouseEvent(wxEventType commandType) { m_eventType = commandType; - m_metaDown = FALSE; - m_altDown = FALSE; - m_controlDown = FALSE; - m_shiftDown = FALSE; - m_leftDown = FALSE; - m_rightDown = FALSE; - m_middleDown = FALSE; + m_x = 0; m_y = 0; + + m_leftDown = false; + m_middleDown = false; + m_rightDown = false; + m_aux1Down = false; + m_aux2Down = false; + + m_clickCount = -1; + + m_wheelRotation = 0; + m_wheelDelta = 0; + m_linesPerAction = 0; + m_wheelAxis = 0; } -void wxMouseEvent::CopyObject(wxObject& obj_d) const +void wxMouseEvent::Assign(const wxMouseEvent& event) { - wxMouseEvent *obj = (wxMouseEvent *)&obj_d; + wxEvent::operator=(event); + + // Borland C++ 5.82 doesn't compile an explicit call to an implicitly + // defined operator=() so need to do it this way: + *static_cast(this) = event; + + m_x = event.m_x; + m_y = event.m_y; - wxEvent::CopyObject(obj_d); + m_leftDown = event.m_leftDown; + m_middleDown = event.m_middleDown; + m_rightDown = event.m_rightDown; + m_aux1Down = event.m_aux1Down; + m_aux2Down = event.m_aux2Down; - obj->m_metaDown = m_metaDown; - obj->m_altDown = m_altDown; - obj->m_controlDown = m_controlDown; - obj->m_shiftDown = m_shiftDown; - obj->m_leftDown = m_leftDown; - obj->m_rightDown = m_rightDown; - obj->m_middleDown = m_middleDown; - obj->m_x = m_x; - obj->m_y = m_y; + m_wheelRotation = event.m_wheelRotation; + m_wheelDelta = event.m_wheelDelta; + m_linesPerAction = event.m_linesPerAction; + m_wheelAxis = event.m_wheelAxis; } -// True if was a button dclick event (1 = left, 2 = middle, 3 = right) -// or any button dclick event (but = -1) +// return true if was a button dclick event bool wxMouseEvent::ButtonDClick(int but) const { switch (but) { - case -1: - return (LeftDClick() || MiddleDClick() || RightDClick()); - case 1: + default: + wxFAIL_MSG(wxT("invalid parameter in wxMouseEvent::ButtonDClick")); + // fall through + + case wxMOUSE_BTN_ANY: + return (LeftDClick() || MiddleDClick() || RightDClick() || + Aux1DClick() || Aux2DClick()); + + case wxMOUSE_BTN_LEFT: return LeftDClick(); - case 2: + + case wxMOUSE_BTN_MIDDLE: return MiddleDClick(); - case 3: + + case wxMOUSE_BTN_RIGHT: return RightDClick(); - default: - wxFAIL_MSG(wxT("invalid parameter in wxMouseEvent::ButtonDClick")); - } - return FALSE; + case wxMOUSE_BTN_AUX1: + return Aux1DClick(); + + case wxMOUSE_BTN_AUX2: + return Aux2DClick(); + } } -// True if was a button down event (1 = left, 2 = middle, 3 = right) -// or any button down event (but = -1) +// return true if was a button down event bool wxMouseEvent::ButtonDown(int but) const { switch (but) { - case -1: - return (LeftDown() || MiddleDown() || RightDown()); - case 1: + default: + wxFAIL_MSG(wxT("invalid parameter in wxMouseEvent::ButtonDown")); + // fall through + + case wxMOUSE_BTN_ANY: + return (LeftDown() || MiddleDown() || RightDown() || + Aux1Down() || Aux2Down()); + + case wxMOUSE_BTN_LEFT: return LeftDown(); - case 2: + + case wxMOUSE_BTN_MIDDLE: return MiddleDown(); - case 3: + + case wxMOUSE_BTN_RIGHT: return RightDown(); - default: - wxFAIL_MSG(wxT("invalid parameter in wxMouseEvent::ButtonDown")); - } - return FALSE; + case wxMOUSE_BTN_AUX1: + return Aux1Down(); + + case wxMOUSE_BTN_AUX2: + return Aux2Down(); + } } -// True if was a button up event (1 = left, 2 = middle, 3 = right) -// or any button up event (but = -1) +// return true if was a button up event bool wxMouseEvent::ButtonUp(int but) const { - switch (but) { - case -1: - return (LeftUp() || MiddleUp() || RightUp()); - case 1: + switch (but) + { + default: + wxFAIL_MSG(wxT("invalid parameter in wxMouseEvent::ButtonUp")); + // fall through + + case wxMOUSE_BTN_ANY: + return (LeftUp() || MiddleUp() || RightUp() || + Aux1Up() || Aux2Up()); + + case wxMOUSE_BTN_LEFT: return LeftUp(); - case 2: + + case wxMOUSE_BTN_MIDDLE: return MiddleUp(); - case 3: + + case wxMOUSE_BTN_RIGHT: return RightUp(); - default: - wxFAIL_MSG(wxT("invalid parameter in wxMouseEvent::ButtonUp")); - } - return FALSE; + case wxMOUSE_BTN_AUX1: + return Aux1Up(); + + case wxMOUSE_BTN_AUX2: + return Aux2Up(); + } } -// True if the given button is currently changing state +// return true if the given button is currently changing state bool wxMouseEvent::Button(int but) const { - switch (but) { - case -1: - return (ButtonUp(-1) || ButtonDown(-1) || ButtonDClick(-1)); - case 1: - return (LeftDown() || LeftUp() || LeftDClick()); - case 2: - return (MiddleDown() || MiddleUp() || MiddleDClick()); - case 3: - return (RightDown() || RightUp() || RightDClick()); + switch (but) + { default: wxFAIL_MSG(wxT("invalid parameter in wxMouseEvent::Button")); - } + // fall through - return FALSE; + case wxMOUSE_BTN_ANY: + return ButtonUp(wxMOUSE_BTN_ANY) || + ButtonDown(wxMOUSE_BTN_ANY) || + ButtonDClick(wxMOUSE_BTN_ANY); + + case wxMOUSE_BTN_LEFT: + return LeftDown() || LeftUp() || LeftDClick(); + + case wxMOUSE_BTN_MIDDLE: + return MiddleDown() || MiddleUp() || MiddleDClick(); + + case wxMOUSE_BTN_RIGHT: + return RightDown() || RightUp() || RightDClick(); + + case wxMOUSE_BTN_AUX1: + return Aux1Down() || Aux1Up() || Aux1DClick(); + + case wxMOUSE_BTN_AUX2: + return Aux2Down() || Aux2Up() || Aux2DClick(); + } } -bool wxMouseEvent::ButtonIsDown(int but) const +int wxMouseEvent::GetButton() const { - switch (but) { - case -1: - return (LeftIsDown() || MiddleIsDown() || RightIsDown()); - case 1: - return LeftIsDown(); - case 2: - return MiddleIsDown(); - case 3: - return RightIsDown(); - default: - wxFAIL_MSG(wxT("invalid parameter in wxMouseEvent::ButtonIsDown")); + for ( int i = 1; i < wxMOUSE_BTN_MAX; i++ ) + { + if ( Button(i) ) + { + return i; + } } - return FALSE; + return wxMOUSE_BTN_NONE; } // Find the logical position of the event given the DC @@ -360,370 +734,584 @@ wxPoint wxMouseEvent::GetLogicalPosition(const wxDC& dc) const return pt; } - -/* - * Keyboard events - * - */ +// ---------------------------------------------------------------------------- +// wxKeyEvent +// ---------------------------------------------------------------------------- wxKeyEvent::wxKeyEvent(wxEventType type) { m_eventType = type; - m_shiftDown = FALSE; - m_controlDown = FALSE; - m_metaDown = FALSE; - m_altDown = FALSE; - m_keyCode = 0; - m_scanCode = 0; + m_keyCode = WXK_NONE; +#if wxUSE_UNICODE + m_uniChar = WXK_NONE; +#endif } -void wxKeyEvent::CopyObject(wxObject& obj_d) const +wxKeyEvent::wxKeyEvent(const wxKeyEvent& evt) + : wxEvent(evt), + wxKeyboardState(evt) { - wxKeyEvent *obj = (wxKeyEvent *)&obj_d; - wxEvent::CopyObject(obj_d); - - obj->m_shiftDown = m_shiftDown; - obj->m_controlDown = m_controlDown; - obj->m_metaDown = m_metaDown; - obj->m_altDown = m_altDown; - obj->m_keyCode = m_keyCode; -} + m_x = evt.m_x; + m_y = evt.m_y; + m_keyCode = evt.m_keyCode; + m_rawCode = evt.m_rawCode; + m_rawFlags = evt.m_rawFlags; -/* - * Misc events - */ +#if wxUSE_UNICODE + m_uniChar = evt.m_uniChar; +#endif +} -void wxSizeEvent::CopyObject(wxObject& obj_d) const +bool wxKeyEvent::IsKeyInCategory(int category) const { - wxSizeEvent *obj = (wxSizeEvent *)&obj_d; - wxEvent::CopyObject(obj_d); + switch ( GetKeyCode() ) + { + case WXK_LEFT: + case WXK_RIGHT: + case WXK_UP: + case WXK_DOWN: + case WXK_NUMPAD_LEFT: + case WXK_NUMPAD_RIGHT: + case WXK_NUMPAD_UP: + case WXK_NUMPAD_DOWN: + return (category & WXK_CATEGORY_ARROW) != 0; + + case WXK_PAGEDOWN: + case WXK_END: + case WXK_NUMPAD_PAGEUP: + case WXK_NUMPAD_PAGEDOWN: + return (category & WXK_CATEGORY_PAGING) != 0; + + case WXK_HOME: + case WXK_PAGEUP: + case WXK_NUMPAD_HOME: + case WXK_NUMPAD_END: + return (category & WXK_CATEGORY_JUMP) != 0; + + case WXK_TAB: + case WXK_NUMPAD_TAB: + return (category & WXK_CATEGORY_TAB) != 0; + + case WXK_BACK: + case WXK_DELETE: + case WXK_NUMPAD_DELETE: + return (category & WXK_CATEGORY_CUT) != 0; - obj->m_size = m_size; + default: + return false; + } } -void wxMoveEvent::CopyObject(wxObject& obj_d) const -{ - wxMoveEvent *obj = (wxMoveEvent *)&obj_d; - wxEvent::CopyObject(obj_d); +// ---------------------------------------------------------------------------- +// wxWindowCreateEvent +// ---------------------------------------------------------------------------- - obj->m_pos = m_pos; +wxWindowCreateEvent::wxWindowCreateEvent(wxWindow *win) +{ + SetEventType(wxEVT_CREATE); + SetEventObject(win); } -void wxEraseEvent::CopyObject(wxObject& obj_d) const -{ - wxEraseEvent *obj = (wxEraseEvent *)&obj_d; - wxEvent::CopyObject(obj_d); +// ---------------------------------------------------------------------------- +// wxWindowDestroyEvent +// ---------------------------------------------------------------------------- - obj->m_dc = m_dc; +wxWindowDestroyEvent::wxWindowDestroyEvent(wxWindow *win) +{ + SetEventType(wxEVT_DESTROY); + SetEventObject(win); } -void wxActivateEvent::CopyObject(wxObject& obj_d) const -{ - wxActivateEvent *obj = (wxActivateEvent *)&obj_d; - wxEvent::CopyObject(obj_d); +// ---------------------------------------------------------------------------- +// wxChildFocusEvent +// ---------------------------------------------------------------------------- - obj->m_active = m_active; +wxChildFocusEvent::wxChildFocusEvent(wxWindow *win) + : wxCommandEvent(wxEVT_CHILD_FOCUS) +{ + SetEventObject(win); } -void wxMenuEvent::CopyObject(wxObject& obj_d) const +// ---------------------------------------------------------------------------- +// wxHelpEvent +// ---------------------------------------------------------------------------- + +/* static */ +wxHelpEvent::Origin wxHelpEvent::GuessOrigin(Origin origin) { - wxMenuEvent *obj = (wxMenuEvent *)&obj_d; - wxEvent::CopyObject(obj_d); + 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; + } - obj->m_menuId = m_menuId; + return origin; } -void wxCloseEvent::CopyObject(wxObject& obj_d) const +#endif // wxUSE_GUI + + +#if wxUSE_BASE + +// ---------------------------------------------------------------------------- +// wxEventHashTable +// ---------------------------------------------------------------------------- + +static const int EVENT_TYPE_TABLE_INIT_SIZE = 31; // Not too big not too small... + +wxEventHashTable* wxEventHashTable::sm_first = NULL; + +wxEventHashTable::wxEventHashTable(const wxEventTable &table) + : m_table(table), + m_rebuildHash(true) { - wxCloseEvent *obj = (wxCloseEvent *)&obj_d; - wxEvent::CopyObject(obj_d); + AllocEventTypeTable(EVENT_TYPE_TABLE_INIT_SIZE); - obj->m_loggingOff = m_loggingOff; - obj->m_veto = m_veto; -#if WXWIN_COMPATIBILITY - obj->m_force = m_force; -#endif - obj->m_canVeto = m_canVeto; + m_next = sm_first; + if (m_next) + m_next->m_previous = this; + sm_first = this; } -void wxShowEvent::CopyObject(wxObject& obj_d) const +wxEventHashTable::~wxEventHashTable() { - wxShowEvent *obj = (wxShowEvent *)&obj_d; - wxEvent::CopyObject(obj_d); - - obj->m_show = m_show; + if (m_next) + m_next->m_previous = m_previous; + if (m_previous) + m_previous->m_next = m_next; + if (sm_first == this) + sm_first = m_next; + + Clear(); } -void wxJoystickEvent::CopyObject(wxObject& obj_d) const +void wxEventHashTable::Clear() { - wxJoystickEvent *obj = (wxJoystickEvent *)&obj_d; - wxEvent::CopyObject(obj_d); + for ( size_t i = 0; i < m_size; i++ ) + { + EventTypeTablePointer eTTnode = m_eventTypeTable[i]; + delete eTTnode; + } + + wxDELETEA(m_eventTypeTable); - 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; + m_size = 0; } -void wxDropFilesEvent::CopyObject(wxObject& obj_d) const -{ - wxDropFilesEvent *obj = (wxDropFilesEvent *)&obj_d; - wxEvent::CopyObject(obj_d); +#if wxUSE_MEMORY_TRACING - 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. +// Clear all tables +void wxEventHashTable::ClearAll() +{ + wxEventHashTable* table = sm_first; + while (table) + { + table->Clear(); + table = table->m_next; + } } -void wxUpdateUIEvent::CopyObject(wxObject &obj_d) const +#endif // wxUSE_MEMORY_TRACING + +bool wxEventHashTable::HandleEvent(wxEvent &event, wxEvtHandler *self) { - wxUpdateUIEvent *obj = (wxUpdateUIEvent *)&obj_d; - wxEvent::CopyObject(obj_d); + if (m_rebuildHash) + { + InitHashTable(); + m_rebuildHash = false; + } + + if (!m_eventTypeTable) + return false; - 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; + // Find all entries for the given event type. + wxEventType eventType = event.GetEventType(); + const EventTypeTablePointer eTTnode = m_eventTypeTable[eventType % m_size]; + if (eTTnode && eTTnode->eventType == eventType) + { + // Now start the search for an event handler + // that can handle an event with the given ID. + const wxEventTableEntryPointerArray& + eventEntryTable = eTTnode->eventEntryTable; + + const size_t count = eventEntryTable.GetCount(); + for (size_t n = 0; n < count; n++) + { + const wxEventTableEntry& entry = *eventEntryTable[n]; + if ( wxEvtHandler::ProcessEventIfMatchesId(entry, self, event) ) + return true; + } + } + + return false; } -void wxPaletteChangedEvent::CopyObject(wxObject &obj_d) const +void wxEventHashTable::InitHashTable() { - wxPaletteChangedEvent *obj = (wxPaletteChangedEvent *)&obj_d; - wxEvent::CopyObject(obj_d); + // Loop over the event tables and all its base tables. + const wxEventTable *table = &m_table; + while (table) + { + // Retrieve all valid event handler entries + const wxEventTableEntry *entry = table->entries; + while (entry->m_fn != 0) + { + // Add the event entry in the Hash. + AddEntry(*entry); - obj->m_changedWindow = m_changedWindow; + entry++; + } + + table = table->baseTable; + } + + // Let's free some memory. + size_t i; + for(i = 0; i < m_size; i++) + { + EventTypeTablePointer eTTnode = m_eventTypeTable[i]; + if (eTTnode) + { + eTTnode->eventEntryTable.Shrink(); + } + } } -void wxQueryNewPaletteEvent::CopyObject(wxObject& obj_d) const +void wxEventHashTable::AddEntry(const wxEventTableEntry &entry) { - wxQueryNewPaletteEvent *obj = (wxQueryNewPaletteEvent *)&obj_d; - wxEvent::CopyObject(obj_d); + // This might happen 'accidentally' as the app is exiting + if (!m_eventTypeTable) + return; - obj->m_paletteRealized = m_paletteRealized; + EventTypeTablePointer *peTTnode = &m_eventTypeTable[entry.m_eventType % m_size]; + EventTypeTablePointer eTTnode = *peTTnode; + + if (eTTnode) + { + if (eTTnode->eventType != entry.m_eventType) + { + // Resize the table! + GrowEventTypeTable(); + // Try again to add it. + AddEntry(entry); + return; + } + } + else + { + eTTnode = new EventTypeTable; + eTTnode->eventType = entry.m_eventType; + *peTTnode = eTTnode; + } + + // Fill all hash entries between entry.m_id and entry.m_lastId... + eTTnode->eventEntryTable.Add(&entry); } -wxWindowCreateEvent::wxWindowCreateEvent(wxWindow *win) - : wxEvent(wxEVT_CREATE) +void wxEventHashTable::AllocEventTypeTable(size_t size) { - SetEventObject(win); + m_eventTypeTable = new EventTypeTablePointer[size]; + memset((void *)m_eventTypeTable, 0, sizeof(EventTypeTablePointer)*size); + m_size = size; } -wxWindowDestroyEvent::wxWindowDestroyEvent(wxWindow *win) - : wxEvent(wxEVT_DESTROY) +void wxEventHashTable::GrowEventTypeTable() { - SetEventObject(win); -} + size_t oldSize = m_size; + EventTypeTablePointer *oldEventTypeTable = m_eventTypeTable; -#endif // wxUSE_GUI + // TODO: Search the most optimal grow sequence + AllocEventTypeTable(/* GetNextPrime(oldSize) */oldSize*2+1); -void wxIdleEvent::CopyObject(wxObject& obj_d) const -{ - wxIdleEvent *obj = (wxIdleEvent *)&obj_d; - wxEvent::CopyObject(obj_d); + for ( size_t i = 0; i < oldSize; /* */ ) + { + EventTypeTablePointer eTToldNode = oldEventTypeTable[i]; + if (eTToldNode) + { + EventTypeTablePointer *peTTnode = &m_eventTypeTable[eTToldNode->eventType % m_size]; + EventTypeTablePointer eTTnode = *peTTnode; - obj->m_requestMore = m_requestMore; + // Check for collision, we don't want any. + if (eTTnode) + { + GrowEventTypeTable(); + continue; // Don't increment the counter, + // as we still need to add this element. + } + else + { + // Get the old value and put it in the new table. + *peTTnode = oldEventTypeTable[i]; + } + } + + i++; + } + + delete[] oldEventTypeTable; } -/* - * Event handler - */ +// ---------------------------------------------------------------------------- +// wxEvtHandler +// ---------------------------------------------------------------------------- wxEvtHandler::wxEvtHandler() { - m_nextHandler = (wxEvtHandler *) NULL; - m_previousHandler = (wxEvtHandler *) NULL; - m_enabled = TRUE; - m_dynamicEvents = (wxList *) NULL; - m_isWindow = FALSE; - m_pendingEvents = (wxList *) NULL; -#if wxUSE_THREADS -# if !defined(__VISAGECPP__) - m_eventsLocker = new wxCriticalSection; -# endif -#endif + m_nextHandler = NULL; + m_previousHandler = NULL; + m_enabled = true; + m_dynamicEvents = NULL; + m_pendingEvents = NULL; + + // no client data (yet) + m_clientData = NULL; + m_clientDataType = wxClientData_None; } wxEvtHandler::~wxEvtHandler() { - // Takes itself out of the list of handlers - if (m_previousHandler) - m_previousHandler->m_nextHandler = m_nextHandler; - - if (m_nextHandler) - m_nextHandler->m_previousHandler = m_previousHandler; + Unlink(); if (m_dynamicEvents) { - wxNode *node = m_dynamicEvents->First(); - while (node) + for ( wxList::iterator it = m_dynamicEvents->begin(), + end = m_dynamicEvents->end(); + it != end; + ++it ) { - wxEventTableEntry *entry = (wxEventTableEntry*)node->Data(); - if (entry->m_callbackUserData) delete entry->m_callbackUserData; + wxDynamicEventTableEntry *entry = (wxDynamicEventTableEntry*)*it; + + // Remove ourselves from sink destructor notifications + // (this has usually been done, in wxTrackable destructor) + wxEvtHandler *eventSink = entry->m_fn->GetEvtHandler(); + if ( eventSink ) + { + wxEventConnectionRef * const + evtConnRef = FindRefInTrackerList(eventSink); + if ( evtConnRef ) + { + eventSink->RemoveNode(evtConnRef); + delete evtConnRef; + } + } + + delete entry->m_callbackUserData; delete entry; - node = node->Next(); } delete m_dynamicEvents; - }; + } - delete m_pendingEvents; + // Remove us from the list of the pending events if necessary. + if (wxTheApp) + wxTheApp->RemovePendingEventHandler(this); -#if wxUSE_THREADS -# if !defined(__VISAGECPP__) - delete m_eventsLocker; -# endif -#endif + DeletePendingEvents(); + + // we only delete object data, not untyped + if ( m_clientDataType == wxClientData_Object ) + delete m_clientObject; } -#if wxUSE_THREADS +void wxEvtHandler::Unlink() +{ + // this event handler must take itself out of the chain of handlers: + + if (m_previousHandler) + m_previousHandler->SetNextHandler(m_nextHandler); + + if (m_nextHandler) + m_nextHandler->SetPreviousHandler(m_previousHandler); -bool wxEvtHandler::ProcessThreadEvent(wxEvent& event) + m_nextHandler = NULL; + m_previousHandler = NULL; +} + +bool wxEvtHandler::IsUnlinked() const { -#if defined(__VISAGECPP__) - wxCriticalSectionLocker locker(m_eventsLocker); -#else - wxCriticalSectionLocker locker(*m_eventsLocker); -#endif + return m_previousHandler == NULL && + m_nextHandler == NULL; +} +#if wxUSE_THREADS + +bool wxEvtHandler::ProcessThreadEvent(const wxEvent& event) +{ // check that we are really in a child thread wxASSERT_MSG( !wxThread::IsMain(), wxT("use ProcessEvent() in main thread") ); AddPendingEvent(event); - return TRUE; + return true; } #endif // wxUSE_THREADS -void wxEvtHandler::AddPendingEvent(wxEvent& event) +void wxEvtHandler::QueueEvent(wxEvent *event) { - if ( !m_pendingEvents ) - m_pendingEvents = new wxList; + wxCHECK_RET( event, "NULL event can't be posted" ); + + if (!wxTheApp) + { + // we need an event loop which manages the list of event handlers with + // pending events... cannot proceed without it! + wxLogDebug("No application object! Cannot queue this event!"); + + // anyway delete the given event to avoid memory leaks + delete event; + + return; + } + + // 1) Add this event to our list of pending events + wxENTER_CRIT_SECT( m_pendingEventsLock ); - wxEvent *event2 = (wxEvent *)event.Clone(); + if ( !m_pendingEvents ) + m_pendingEvents = new wxList; - m_pendingEvents->Append(event2); + m_pendingEvents->Append(event); - wxENTER_CRIT_SECT(wxPendingEventsLocker); + // 2) Add this event handler to list of event handlers that + // have pending events. - if ( !wxPendingEvents ) - wxPendingEvents = new wxList; - wxPendingEvents->Append(this); + wxTheApp->AppendPendingEventHandler(this); - wxLEAVE_CRIT_SECT(wxPendingEventsLocker); + // only release m_pendingEventsLock now because otherwise there is a race + // condition as described in the ticket #9093: we could process the event + // just added to m_pendingEvents in our ProcessPendingEvents() below before + // we had time to append this pointer to wxHandlersWithPendingEvents list; thus + // breaking the invariant that a handler should be in the list iff it has + // any pending events to process + wxLEAVE_CRIT_SECT( m_pendingEventsLock ); + // 3) Inform the system that new pending events are somewhere, + // and that these should be processed in idle time. wxWakeUpIdle(); } -void wxEvtHandler::ProcessPendingEvents() +void wxEvtHandler::DeletePendingEvents() { -#if defined(__VISAGECPP__) - wxCRIT_SECT_LOCKER(locker, &m_eventsLocker); -#else - wxCRIT_SECT_LOCKER(locker, m_eventsLocker); -#endif - - wxNode *node = m_pendingEvents->First(); - wxEvent *event; + if (m_pendingEvents) + m_pendingEvents->DeleteContents(true); + wxDELETE(m_pendingEvents); +} - while ( node ) +void wxEvtHandler::ProcessPendingEvents() +{ + if (!wxTheApp) { - event = (wxEvent *)node->Data(); - ProcessEvent(*event); - delete event; - delete node; - node = m_pendingEvents->First(); + // we need an event loop which manages the list of event handlers with + // pending events... cannot proceed without it! + wxLogDebug("No application object! Cannot process pending events!"); + return; } -} -/* - * Event table stuff - */ + // we need to process only a single pending event in this call because + // each call to ProcessEvent() could result in the destruction of this + // same event handler (see the comment at the end of this function) -bool wxEvtHandler::ProcessEvent(wxEvent& event) -{ -#if wxUSE_GUI - // check that our flag corresponds to reality - wxASSERT( m_isWindow == IsKindOf(CLASSINFO(wxWindow)) ); -#endif // wxUSE_GUI + wxENTER_CRIT_SECT( m_pendingEventsLock ); - // An event handler can be enabled or disabled - if ( GetEvtHandlerEnabled() ) - { -#if wxUSE_THREADS - // Check whether we are in a child thread. - if ( !wxThread::IsMain() ) - return ProcessThreadEvent(event); -#endif // wxUSE_THREADS + // this method is only called by wxApp if this handler does have + // pending events + wxCHECK_RET( m_pendingEvents && !m_pendingEvents->IsEmpty(), + "should have pending events if called" ); - // 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. - // Therefore validators won't be processed if the handler - // has been replaced with SetEventHandler. - // 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) - { - wxWindow *win = (wxWindow *)this; + wxList::compatibility_iterator node = m_pendingEvents->GetFirst(); + wxEvent* pEvent = static_cast(node->GetData()); - // Can only use the validator of the window which - // is receiving the event - if ( win == event.GetEventObject() ) - { - wxValidator *validator = win->GetValidator(); - if ( validator && validator->ProcessEvent(event) ) - { - return TRUE; - } - } + // find the first event which can be processed now: + wxEventLoopBase* evtLoop = wxEventLoopBase::GetActive(); + if (evtLoop && evtLoop->IsYielding()) + { + while (node && pEvent && !evtLoop->IsEventAllowedInsideYield(pEvent->GetEventCategory())) + { + node = node->GetNext(); + pEvent = node ? static_cast(node->GetData()) : NULL; } -#endif - // Search upwards through the inheritance hierarchy - while (table) + if (!node) { - if ( SearchEventTable((wxEventTable&)*table, event) ) - return TRUE; - table = table->baseTable; + // all our events are NOT processable now... signal this: + wxTheApp->DelayPendingEventHandler(this); + + // see the comment at the beginning of evtloop.h header for the + // logic behind YieldFor() and behind DelayPendingEventHandler() + + wxLEAVE_CRIT_SECT( m_pendingEventsLock ); + + return; } } - // Try going down the event handler chain - if ( GetNextHandler() ) + wxEventPtr event(pEvent); + + // it's important 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); + + if ( m_pendingEvents->IsEmpty() ) { - if ( GetNextHandler()->ProcessEvent(event) ) - return TRUE; + // if there are no more pending events left, we don't need to + // stay in this list + wxTheApp->RemovePendingEventHandler(this); } -#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 - if ( m_isWindow && event.IsCommandEvent() ) + wxLEAVE_CRIT_SECT( m_pendingEventsLock ); + + ProcessEvent(*event); + + // careful: this object could have been deleted by the event handler + // executed by the above ProcessEvent() call, so we can't access any fields + // of this object any more +} + +/* static */ +bool wxEvtHandler::ProcessEventIfMatchesId(const wxEventTableEntryBase& entry, + wxEvtHandler *handler, + wxEvent& event) +{ + int tableId1 = entry.m_id, + tableId2 = entry.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 ((tableId1 == wxID_ANY) || + (tableId2 == wxID_ANY && tableId1 == event.GetId()) || + (tableId2 != wxID_ANY && + (event.GetId() >= tableId1 && event.GetId() <= tableId2))) { - wxWindow *win = (wxWindow *)this; - wxWindow *parent = win->GetParent(); - if (parent && !parent->IsBeingDeleted()) - return parent->GetEventHandler()->ProcessEvent(event); + event.Skip(false); + event.m_callbackUserData = entry.m_callbackUserData; + +#if wxUSE_EXCEPTIONS + if ( wxTheApp ) + { + // call the handler via wxApp method which allows the user to catch + // any exceptions which may be thrown by any handler in the program + // in one place + wxTheApp->CallEventHandler(handler, *entry.m_fn, event); + } + else +#endif // wxUSE_EXCEPTIONS + { + (*entry.m_fn)(handler, event); + } + + if (!event.GetSkipped()) + return true; } -#endif // wxUSE_GUI - // Last try - application object. + return false; +} + +bool wxEvtHandler::DoTryApp(wxEvent& event) +{ if ( wxTheApp && (this != wxTheApp) ) { // Special case: don't pass wxEVT_IDLE to wxApp, since it'll always @@ -732,138 +1320,411 @@ bool wxEvtHandler::ProcessEvent(wxEvent& event) if ( event.GetEventType() != wxEVT_IDLE ) { if ( wxTheApp->ProcessEvent(event) ) - return TRUE; + return true; } } - return FALSE; + return false; } -bool wxEvtHandler::SearchEventTable(wxEventTable& table, wxEvent& event) +bool wxEvtHandler::TryBefore(wxEvent& event) { - int i = 0; - int commandId = event.GetId(); +#if WXWIN_COMPATIBILITY_2_8 + // call the old virtual function to keep the code overriding it working + return TryValidator(event); +#else + wxUnusedVar(event); + return false; +#endif +} - // BC++ doesn't like while (table.entries[i].m_fn) +bool wxEvtHandler::TryAfter(wxEvent& event) +{ + // We only want to pass the window to the application object once even if + // there are several chained handlers. Ensure that this is what happens by + // only calling DoTryApp() if there is no next handler (which would do it). + // + // Notice that, unlike simply calling TryAfter() on the last handler in the + // chain only from ProcessEvent(), this also works with wxWindow object in + // the middle of the chain: its overridden TryAfter() will still be called + // and propagate the event upwards the window hierarchy even if it's not + // the last one in the chain (which, admittedly, shouldn't happen often). + if ( GetNextHandler() ) + return GetNextHandler()->TryAfter(event); -#ifdef __SC__ - while (table.entries[i].m_fn != 0) +#if WXWIN_COMPATIBILITY_2_8 + // as above, call the old virtual function for compatibility + return TryParent(event); #else - while (table.entries[i].m_fn != 0L) + return DoTryApp(event); #endif +} + +bool wxEvtHandler::ProcessEvent(wxEvent& event) +{ + // The very first thing we do is to allow the application to hook into + // event processing in order to globally pre-process all events. + // + // Note that we should only do it if we're the first event handler called + // to avoid calling FilterEvent() multiple times as the event goes through + // the event handler chain and possibly upwards the window hierarchy. + if ( !event.WasProcessed() ) { - 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)))) + if ( wxTheApp ) { - event.Skip(FALSE); - event.m_callbackUserData = table.entries[i].m_callbackUserData; + int rc = wxTheApp->FilterEvent(event); + if ( rc != -1 ) + { + wxASSERT_MSG( rc == 1 || rc == 0, + "unexpected wxApp::FilterEvent return value" ); - (this->*((wxEventFunction) (table.entries[i].m_fn)))(event); + return rc != 0; + } + //else: proceed normally + } + } - if ( event.GetSkipped() ) - return FALSE; - else - return TRUE; + // Short circuit the event processing logic if we're requested to process + // this event in this handler only, see DoTryChain() for more details. + if ( event.ShouldProcessOnlyIn(this) ) + return TryBeforeAndHere(event); + + + // Try to process the event in this handler itself. + if ( ProcessEventLocally(event) ) + { + // It is possible that DoTryChain() called from ProcessEventLocally() + // returned true but the event was not really processed: this happens + // if a custom handler ignores the request to process the event in this + // handler only and in this case we should skip the post processing + // done in TryAfter() but still return the correct value ourselves to + // indicate whether we did or did not find a handler for this event. + return !event.GetSkipped(); + } + + // If we still didn't find a handler, propagate the event upwards the + // window chain and/or to the application object. + if ( TryAfter(event) ) + return true; + + + // No handler found anywhere, bail out. + return false; +} + +bool wxEvtHandler::ProcessEventLocally(wxEvent& event) +{ + // Try the hooks which should be called before our own handlers and this + // handler itself first. Notice that we should not call ProcessEvent() on + // this one as we're already called from it, which explains why we do it + // here and not in DoTryChain() + return TryBeforeAndHere(event) || DoTryChain(event); +} + +bool wxEvtHandler::DoTryChain(wxEvent& event) +{ + for ( wxEvtHandler *h = GetNextHandler(); h; h = h->GetNextHandler() ) + { + // We need to process this event at the level of this handler only + // right now, the pre-/post-processing was either already done by + // ProcessEvent() from which we were called or will be done by it when + // we return. + // + // However we must call ProcessEvent() and not TryHereOnly() because the + // existing code (including some in wxWidgets itself) expects the + // overridden ProcessEvent() in its custom event handlers pushed on a + // window to be called. + // + // So we must call ProcessEvent() but it must not do what it usually + // does. To resolve this paradox we set up a special flag inside the + // object itself to let ProcessEvent() know that it shouldn't do any + // pre/post-processing for this event if it gets it. Note that this + // only applies to this handler, if the event is passed to another one + // by explicitly calling its ProcessEvent(), pre/post-processing should + // be done as usual. + // + // Final complication is that if the implementation of ProcessEvent() + // called wxEvent::DidntHonourProcessOnlyIn() (as the gross hack that + // is wxScrollHelperEvtHandler::ProcessEvent() does) and ignored our + // request to process event in this handler only, we have to compensate + // for it by not processing the event further because this was already + // done by that rogue event handler. + wxEventProcessInHandlerOnly processInHandlerOnly(event, h); + if ( h->ProcessEvent(event) ) + { + // Make sure "skipped" flag is not set as the event was really + // processed in this case. Normally it shouldn't be set anyhow but + // make sure just in case the user code does something strange. + event.Skip(false); + + return true; + } + + if ( !event.ShouldProcessOnlyIn(h) ) + { + // Still return true to indicate that no further processing should + // be undertaken but ensure that "skipped" flag is set so that the + // caller knows that the event was not really processed. + event.Skip(); + + return true; + } + } + + return false; +} + +bool wxEvtHandler::TryHereOnly(wxEvent& event) +{ + // If the event handler is disabled it doesn't process any events + if ( !GetEvtHandlerEnabled() ) + return false; + + // Handle per-instance dynamic event tables first + if ( m_dynamicEvents && SearchDynamicEventTable(event) ) + return true; + + // Then static per-class event tables + if ( GetEventHashTable().HandleEvent(event, this) ) + return true; + + // We don't have a handler for this event. + return false; +} + +bool wxEvtHandler::SafelyProcessEvent(wxEvent& event) +{ +#if wxUSE_EXCEPTIONS + try + { +#endif + return ProcessEvent(event); +#if wxUSE_EXCEPTIONS + } + catch ( ... ) + { + // notice that we do it in 2 steps to avoid warnings about possibly + // uninitialized loop variable from some versions of g++ which are not + // smart enough to figure out that GetActive() doesn't throw and so + // that loop will always be initialized + wxEventLoopBase *loop = NULL; + try + { + loop = wxEventLoopBase::GetActive(); + + if ( !wxTheApp || !wxTheApp->OnExceptionInMainLoop() ) + { + if ( loop ) + loop->Exit(); + } + //else: continue running current event loop + + return false; + } + catch ( ... ) + { + // OnExceptionInMainLoop() threw, possibly rethrowing the same + // exception again: very good, but we still need Exit() to + // be called + if ( loop ) + loop->Exit(); + throw; } - i++; } - return FALSE; +#endif // wxUSE_EXCEPTIONS } -void wxEvtHandler::Connect( int id, int lastId, - wxEventType eventType, - wxObjectEventFunction func, - wxObject *userData ) +bool wxEvtHandler::SearchEventTable(wxEventTable& table, wxEvent& event) { - wxEventTableEntry *entry = new wxEventTableEntry; - entry->m_id = id; - entry->m_lastId = lastId; - entry->m_eventType = eventType; - entry->m_fn = func; - entry->m_callbackUserData = userData; + const wxEventType eventType = event.GetEventType(); + for ( int i = 0; table.entries[i].m_fn != 0; i++ ) + { + const wxEventTableEntry& entry = table.entries[i]; + if ( eventType == entry.m_eventType ) + { + if ( ProcessEventIfMatchesId(entry, this, event) ) + return true; + } + } + + return false; +} + +void wxEvtHandler::DoBind(int id, + int lastId, + wxEventType eventType, + wxEventFunctor *func, + wxObject *userData) +{ + wxDynamicEventTableEntry *entry = + new wxDynamicEventTableEntry(eventType, id, lastId, func, userData); if (!m_dynamicEvents) m_dynamicEvents = new wxList; - m_dynamicEvents->Append( (wxObject*) entry ); + // Insert at the front of the list so most recent additions are found first + m_dynamicEvents->Insert( (wxObject*) entry ); + + // Make sure we get to know when a sink is destroyed + wxEvtHandler *eventSink = func->GetEvtHandler(); + if ( eventSink && eventSink != this ) + { + wxEventConnectionRef *evtConnRef = FindRefInTrackerList(eventSink); + if ( evtConnRef ) + evtConnRef->IncRef( ); + else + new wxEventConnectionRef(this, eventSink); + } } -bool wxEvtHandler::Disconnect( int id, int lastId, wxEventType eventType, - wxObjectEventFunction func, - wxObject *userData ) +bool +wxEvtHandler::DoUnbind(int id, + int lastId, + wxEventType eventType, + const wxEventFunctor& func, + wxObject *userData) { if (!m_dynamicEvents) - return FALSE; - - wxNode *node = m_dynamicEvents->First(); + return false; + + // Remove connection from tracker node (wxEventConnectionRef) + wxEvtHandler *eventSink = func.GetEvtHandler(); + if ( eventSink && eventSink != this ) + { + wxEventConnectionRef *evtConnRef = FindRefInTrackerList(eventSink); + if ( evtConnRef ) + evtConnRef->DecRef(); + } + + wxList::compatibility_iterator node = m_dynamicEvents->GetFirst(); while (node) { - wxEventTableEntry *entry = (wxEventTableEntry*)node->Data(); + wxDynamicEventTableEntry *entry = (wxDynamicEventTableEntry*)node->GetData(); + 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_callbackUserData == userData) || (userData == (wxObject*)NULL))) + entry->m_fn->IsMatching(func) && + ((entry->m_callbackUserData == userData) || !userData)) { - if (entry->m_callbackUserData) delete entry->m_callbackUserData; - m_dynamicEvents->DeleteNode( node ); + delete entry->m_callbackUserData; + m_dynamicEvents->Erase( node ); delete entry; - return TRUE; + return true; } - node = node->Next(); + node = node->GetNext(); } - return FALSE; + return false; } bool wxEvtHandler::SearchDynamicEventTable( wxEvent& event ) { - wxCHECK_MSG( m_dynamicEvents, FALSE, + wxCHECK_MSG( m_dynamicEvents, false, wxT("caller should check that we have dynamic events") ); - int commandId = event.GetId(); - - wxNode *node = m_dynamicEvents->First(); + wxList::compatibility_iterator node = m_dynamicEvents->GetFirst(); while (node) { - wxEventTableEntry *entry = (wxEventTableEntry*)node->Data(); + wxDynamicEventTableEntry *entry = (wxDynamicEventTableEntry*)node->GetData(); - if (entry->m_fn) + // 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 ) { - // Match, if event spec says any id will do (id == -1) - if ( (event.GetEventType() == entry->m_eventType) && - (entry->m_id == -1 || - (entry->m_lastId == -1 && commandId == entry->m_id) || - (entry->m_lastId != -1 && - (commandId >= entry->m_id && commandId <= entry->m_lastId))) ) - { - event.Skip(FALSE); - event.m_callbackUserData = entry->m_callbackUserData; + wxEvtHandler *handler = entry->m_fn->GetEvtHandler(); + if ( !handler ) + handler = this; + if ( ProcessEventIfMatchesId(*entry, handler, event) ) + return true; + } + } - (this->*((wxEventFunction) (entry->m_fn)))(event); + return false; +} - if (event.GetSkipped()) - return FALSE; - else - return TRUE; - } +void wxEvtHandler::DoSetClientObject( wxClientData *data ) +{ + wxASSERT_MSG( m_clientDataType != wxClientData_Void, + wxT("can't have both object and void client data") ); + + if ( m_clientObject ) + delete m_clientObject; + + m_clientObject = data; + m_clientDataType = wxClientData_Object; +} + +wxClientData *wxEvtHandler::DoGetClientObject() const +{ + // it's not an error to call GetClientObject() on a window which doesn't + // have client data at all - NULL will be returned + wxASSERT_MSG( m_clientDataType != wxClientData_Void, + wxT("this window doesn't have object client data") ); + + return m_clientObject; +} + +void wxEvtHandler::DoSetClientData( void *data ) +{ + wxASSERT_MSG( m_clientDataType != wxClientData_Object, + wxT("can't have both object and void client data") ); + + m_clientData = data; + m_clientDataType = wxClientData_Void; +} + +void *wxEvtHandler::DoGetClientData() const +{ + // it's not an error to call GetClientData() on a window which doesn't have + // client data at all - NULL will be returned + wxASSERT_MSG( m_clientDataType != wxClientData_Object, + wxT("this window doesn't have void client data") ); + + return m_clientData; +} + +// A helper to find an wxEventConnectionRef object +wxEventConnectionRef * +wxEvtHandler::FindRefInTrackerList(wxEvtHandler *eventSink) +{ + for ( wxTrackerNode *node = eventSink->GetFirst(); node; node = node->m_nxt ) + { + // we only want wxEventConnectionRef nodes here + wxEventConnectionRef *evtConnRef = node->ToEventConnection(); + if ( evtConnRef && evtConnRef->m_src == this ) + { + wxASSERT( evtConnRef->m_sink==eventSink ); + return evtConnRef; } - node = node->Next(); } - return FALSE; -}; -#if WXWIN_COMPATIBILITY -bool wxEvtHandler::OnClose() + return NULL; +} + +void wxEvtHandler::OnSinkDestroyed( wxEvtHandler *sink ) { - if (GetNextHandler()) - return GetNextHandler()->OnClose(); - else - return FALSE; + wxASSERT(m_dynamicEvents); + + // remove all connections with this sink + wxList::compatibility_iterator node = m_dynamicEvents->GetFirst(), node_nxt; + while (node) + { + wxDynamicEventTableEntry *entry = (wxDynamicEventTableEntry*)node->GetData(); + node_nxt = node->GetNext(); + + if ( entry->m_fn->GetEvtHandler() == sink ) + { + delete entry->m_callbackUserData; + m_dynamicEvents->Erase( node ); + delete entry; + } + node = node_nxt; + } } -#endif // WXWIN_COMPATIBILITY + +#endif // wxUSE_BASE #if wxUSE_GUI @@ -884,10 +1745,45 @@ wxWindow* wxFindFocusDescendant(wxWindow* ancestor) else win = win->GetParent(); } - if (win == (wxWindow*) NULL) - focusWin = (wxWindow*) NULL; + if (win == NULL) + focusWin = NULL; return focusWin; } +// ---------------------------------------------------------------------------- +// wxEventBlocker +// ---------------------------------------------------------------------------- + +wxEventBlocker::wxEventBlocker(wxWindow *win, wxEventType type) +{ + wxCHECK_RET(win, wxT("Null window given to wxEventBlocker")); + + m_window = win; + + Block(type); + m_window->PushEventHandler(this); +} + +wxEventBlocker::~wxEventBlocker() +{ + wxEvtHandler *popped = m_window->PopEventHandler(false); + wxCHECK_RET(popped == this, + wxT("Don't push other event handlers into a window managed by wxEventBlocker!")); +} + +bool wxEventBlocker::ProcessEvent(wxEvent& event) +{ + // should this event be blocked? + for ( size_t i = 0; i < m_eventsToBlock.size(); i++ ) + { + wxEventType t = (wxEventType)m_eventsToBlock[i]; + if ( t == wxEVT_ANY || t == event.GetEventType() ) + return true; // yes, it should: mark this event as processed + } + + return false; +} + #endif // wxUSE_GUI +