X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/f439844be27aa4ec09dd1d3365ce44653291c2af..12b5f4b4d2d8a07962da7ba3b78c8c1ec2634a67:/src/common/event.cpp?ds=sidebyside diff --git a/src/common/event.cpp b/src/common/event.cpp index d0e063d025..85951a1b3e 100644 --- a/src/common/event.cpp +++ b/src/common/event.cpp @@ -1,17 +1,21 @@ ///////////////////////////////////////////////////////////////////////////// -// 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 -// Licence: wxWindows licence +// Copyright: (c) Julian Smart +// Licence: wxWindows licence ///////////////////////////////////////////////////////////////////////////// -#ifdef __GNUG__ - #pragma implementation "event.h" -#endif +// ============================================================================ +// declarations +// ============================================================================ + +// ---------------------------------------------------------------------------- +// headers +// ---------------------------------------------------------------------------- // For compilers that support precompilation, includes "wx.h". #include "wx/wxprec.h" @@ -20,20 +24,46 @@ #pragma hdrstop #endif +#include "wx/event.h" +#include "wx/evtloop.h" + #ifndef WX_PRECOMP - #include "wx/defs.h" - #include "wx/control.h" - #include "wx/utils.h" + #include "wx/list.h" #include "wx/app.h" - #include "wx/dc.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/dc.h" + #include "wx/spinbutt.h" + #include "wx/textctrl.h" + #include "wx/validate.h" + #endif // wxUSE_GUI #endif -#include "wx/event.h" -#include "wx/validate.h" +#include "wx/thread.h" -#if !USE_SHARED_LIBRARY +#if wxUSE_BASE + #include "wx/ptr_scpd.h" + + wxDECLARE_SCOPED_PTR(wxEvent, wxEventPtr) + wxDEFINE_SCOPED_PTR(wxEvent, wxEventPtr) +#endif // wxUSE_BASE + +// ---------------------------------------------------------------------------- +// wxWin macros +// ---------------------------------------------------------------------------- + +#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) @@ -42,9 +72,11 @@ 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) @@ -54,34 +86,271 @@ 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(wxIdleEvent, wxEvent) + IMPLEMENT_DYNAMIC_CLASS(wxDisplayChangedEvent, wxEvent) IMPLEMENT_DYNAMIC_CLASS(wxUpdateUIEvent, wxCommandEvent) - IMPLEMENT_DYNAMIC_CLASS(wxNavigationKeyEvent, 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] }; - const wxEventTableEntry wxEvtHandler::sm_eventTableEntries[] = - { { 0, 0, 0, (wxObjectEventFunction) NULL, (wxObject*) NULL } }; +wxEventHashTable &wxEvtHandler::GetEventHashTable() const + { return wxEvtHandler::sm_eventHashTable; } -#endif // !USE_SHARED_LIBRARY +wxEventHashTable wxEvtHandler::sm_eventHashTable(wxEvtHandler::sm_eventTable); + +const wxEventTableEntry wxEvtHandler::sm_eventTableEntries[] = + { DECLARE_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 defined(__WXDEBUG__) && 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 // __WXDEBUG__ && wxUSE_MEMORY_TRACING + +// ---------------------------------------------------------------------------- +// global variables +// ---------------------------------------------------------------------------- + +// List containing event handlers with pending events (each handler can occur +// at most once here) +wxList *wxHandlersWithPendingEvents = NULL; #if wxUSE_THREADS -/* To put pending event handlers */ -extern wxList *wxPendingEvents; -extern wxCriticalSection *wxPendingEventsLocker; + // protects wxHandlersWithPendingEvents list + wxCriticalSection *wxHandlersWithPendingEventsLocker = NULL; +#endif + +// common event types are defined here, other event types are defined by the +// components which use them + +const wxEventType wxEVT_FIRST = 10000; +const wxEventType wxEVT_USER_FIRST = wxEVT_FIRST + 2000; + +DEFINE_EVENT_TYPE(wxEVT_NULL) +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 ) + +// 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_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 ) + +#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 + * General wxWidgets events, covering * all interesting things that might happen (button clicking, resizing, * setting text in widgets, etc.). * @@ -89,58 +358,157 @@ extern wxCriticalSection *wxPendingEventsLocker; * */ -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_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_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); + + 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_propagationLevel = src.m_propagationLevel; + m_skipped = src.m_skipped; + m_isCommandEvent = src.m_isCommandEvent; - 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; + // don't change m_wasProcessed + + return *this; } +#endif // wxUSE_BASE + +#if wxUSE_GUI + /* * Command events * */ +#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; + } +} + +/* + * UI update events + */ + +#if wxUSE_LONGLONG +wxLongLong wxUpdateUIEvent::sm_lastUpdate = 0; +#endif + +long wxUpdateUIEvent::sm_updateInterval = 0; + +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; + + 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; + } - wxEvent::CopyObject(obj_d); + 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 +} - obj->m_clientData = m_clientData; - obj->m_clientObject = m_clientObject; - obj->m_extraLong = m_extraLong; - obj->m_commandInt = m_commandInt; +// 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 } /* @@ -151,7 +519,7 @@ wxScrollEvent::wxScrollEvent(wxEventType commandType, int id, int pos, int orient) - : wxCommandEvent(commandType, id) + : wxCommandEvent(commandType, id) { m_extraLong = orient; m_commandInt = pos; @@ -170,16 +538,6 @@ 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 * @@ -188,131 +546,207 @@ void wxScrollWinEvent::CopyObject(wxObject& obj_d) const 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); - wxEvent::CopyObject(obj_d); + // 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; - 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_x = event.m_x; + m_y = event.m_y; + + 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; + + 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(_T("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(_T("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(_T("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(_T("invalid parameter in wxMouseEvent::Button")); - } + wxFAIL_MSG(wxT("invalid parameter in wxMouseEvent::Button")); + // fall through + + 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(); - return FALSE; + case wxMOUSE_BTN_AUX2: + return Aux2Down() || Aux2Up() || Aux2DClick(); + } } bool wxMouseEvent::ButtonIsDown(int but) const { - switch (but) { - case -1: - return (LeftIsDown() || MiddleIsDown() || RightIsDown()); - case 1: + switch (but) + { + default: + wxFAIL_MSG(wxT("invalid parameter in wxMouseEvent::ButtonIsDown")); + // fall through + + case wxMOUSE_BTN_ANY: + return LeftIsDown() || MiddleIsDown() || RightIsDown() || Aux1Down() || Aux2Down(); + + case wxMOUSE_BTN_LEFT: return LeftIsDown(); - case 2: + + case wxMOUSE_BTN_MIDDLE: return MiddleIsDown(); - case 3: + + case wxMOUSE_BTN_RIGHT: return RightIsDown(); - default: - wxFAIL_MSG(_T("invalid parameter in wxMouseEvent::ButtonIsDown")); + + case wxMOUSE_BTN_AUX1: + return Aux1IsDown(); + + case wxMOUSE_BTN_AUX2: + return Aux2IsDown(); } +} - return FALSE; +int wxMouseEvent::GetButton() const +{ + for ( int i = 1; i < wxMOUSE_BTN_MAX; i++ ) + { + if ( Button(i) ) + { + return i; + } + } + + return wxMOUSE_BTN_NONE; } // Find the logical position of the event given the DC @@ -324,348 +758,528 @@ wxPoint wxMouseEvent::GetLogicalPosition(const wxDC& dc) const /* - * Keyboard events + * Keyboard event * */ 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; +#if wxUSE_UNICODE + m_uniChar = 0; +#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); + m_x = evt.m_x; + m_y = evt.m_y; - 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_keyCode = evt.m_keyCode; + m_scanCode = evt.m_scanCode; + 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 +wxWindowCreateEvent::wxWindowCreateEvent(wxWindow *win) { - wxSizeEvent *obj = (wxSizeEvent *)&obj_d; - wxEvent::CopyObject(obj_d); - - obj->m_size = m_size; + SetEventType(wxEVT_CREATE); + SetEventObject(win); } -void wxMoveEvent::CopyObject(wxObject& obj_d) const +wxWindowDestroyEvent::wxWindowDestroyEvent(wxWindow *win) { - wxMoveEvent *obj = (wxMoveEvent *)&obj_d; - wxEvent::CopyObject(obj_d); - - obj->m_pos = m_pos; + SetEventType(wxEVT_DESTROY); + SetEventObject(win); } -void wxEraseEvent::CopyObject(wxObject& obj_d) const +wxChildFocusEvent::wxChildFocusEvent(wxWindow *win) + : wxCommandEvent(wxEVT_CHILD_FOCUS) { - wxEraseEvent *obj = (wxEraseEvent *)&obj_d; - wxEvent::CopyObject(obj_d); - - obj->m_dc = m_dc; + SetEventObject(win); } -void wxActivateEvent::CopyObject(wxObject& obj_d) const +// ---------------------------------------------------------------------------- +// wxHelpEvent +// ---------------------------------------------------------------------------- + +/* static */ +wxHelpEvent::Origin wxHelpEvent::GuessOrigin(Origin origin) { - wxActivateEvent *obj = (wxActivateEvent *)&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_active = m_active; + return origin; } -void wxMenuEvent::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) { - wxMenuEvent *obj = (wxMenuEvent *)&obj_d; - wxEvent::CopyObject(obj_d); + AllocEventTypeTable(EVENT_TYPE_TABLE_INIT_SIZE); - obj->m_menuId = m_menuId; + m_next = sm_first; + if (m_next) + m_next->m_previous = this; + sm_first = this; } -void wxCloseEvent::CopyObject(wxObject& obj_d) const +wxEventHashTable::~wxEventHashTable() { - wxCloseEvent *obj = (wxCloseEvent *)&obj_d; - wxEvent::CopyObject(obj_d); - - obj->m_loggingOff = m_loggingOff; - obj->m_veto = m_veto; -#if WXWIN_COMPATIBILITY - obj->m_force = m_force; -#endif - obj->m_canVeto = m_canVeto; + 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 wxShowEvent::CopyObject(wxObject& obj_d) const + +void wxEventHashTable::Clear() { - wxShowEvent *obj = (wxShowEvent *)&obj_d; - wxEvent::CopyObject(obj_d); + for ( size_t i = 0; i < m_size; i++ ) + { + EventTypeTablePointer eTTnode = m_eventTypeTable[i]; + delete eTTnode; + } + + delete[] m_eventTypeTable; + m_eventTypeTable = NULL; - obj->m_show = m_show; + m_size = 0; } -void wxJoystickEvent::CopyObject(wxObject& obj_d) const +#if defined(__WXDEBUG__) && wxUSE_MEMORY_TRACING + +// Clear all tables +void wxEventHashTable::ClearAll() { - wxJoystickEvent *obj = (wxJoystickEvent *)&obj_d; - wxEvent::CopyObject(obj_d); + wxEventHashTable* table = sm_first; + while (table) + { + table->Clear(); + table = table->m_next; + } +} - 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; -} +#endif // __WXDEBUG__ && wxUSE_MEMORY_TRACING -void wxDropFilesEvent::CopyObject(wxObject& obj_d) const +bool wxEventHashTable::HandleEvent(wxEvent &event, wxEvtHandler *self) { - wxDropFilesEvent *obj = (wxDropFilesEvent *)&obj_d; - wxEvent::CopyObject(obj_d); + if (m_rebuildHash) + { + InitHashTable(); + m_rebuildHash = false; + } - 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. -} + if (!m_eventTypeTable) + return false; -void wxIdleEvent::CopyObject(wxObject& obj_d) const -{ - wxIdleEvent *obj = (wxIdleEvent *)&obj_d; - wxEvent::CopyObject(obj_d); + // 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; + } + } - obj->m_requestMore = m_requestMore; + return false; } -void wxUpdateUIEvent::CopyObject(wxObject &obj_d) const +void wxEventHashTable::InitHashTable() { - wxUpdateUIEvent *obj = (wxUpdateUIEvent *)&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_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; -} + entry++; + } -void wxPaletteChangedEvent::CopyObject(wxObject &obj_d) const -{ - wxPaletteChangedEvent *obj = (wxPaletteChangedEvent *)&obj_d; - wxEvent::CopyObject(obj_d); + table = table->baseTable; + } - obj->m_changedWindow = m_changedWindow; + // Lets 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; + + EventTypeTablePointer *peTTnode = &m_eventTypeTable[entry.m_eventType % m_size]; + EventTypeTablePointer eTTnode = *peTTnode; - obj->m_paletteRealized = m_paletteRealized; + 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; + + // TODO: Search the most optimal grow sequence + AllocEventTypeTable(/* GetNextPrime(oldSize) */oldSize*2+1); + + for ( size_t i = 0; i < oldSize; /* */ ) + { + EventTypeTablePointer eTToldNode = oldEventTypeTable[i]; + if (eTToldNode) + { + EventTypeTablePointer *peTTnode = &m_eventTypeTable[eTToldNode->eventType % m_size]; + EventTypeTablePointer eTTnode = *peTTnode; + + // 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; } +// ---------------------------------------------------------------------------- +// wxEvtHandler +// ---------------------------------------------------------------------------- + /* * Event handler */ wxEvtHandler::wxEvtHandler() { - m_nextHandler = (wxEvtHandler *) NULL; - m_previousHandler = (wxEvtHandler *) NULL; - m_enabled = TRUE; - m_dynamicEvents = (wxList *) NULL; - m_isWindow = FALSE; -#if wxUSE_THREADS - m_eventsLocker = new wxCriticalSection(); -#endif - m_pendingEvents = (wxList *) NULL; + 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->GetHandler(); + 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; }; -#if wxUSE_THREADS if (m_pendingEvents) - delete m_pendingEvents; + m_pendingEvents->DeleteContents(true); + delete m_pendingEvents; - delete m_eventsLocker; + // Remove us from wxHandlersWithPendingEvents if necessary. + if ( wxHandlersWithPendingEvents ) + { +#if wxUSE_THREADS + if (wxHandlersWithPendingEventsLocker) + wxENTER_CRIT_SECT(*wxHandlersWithPendingEventsLocker); #endif -} -#if wxUSE_THREADS + if ( wxHandlersWithPendingEvents->DeleteObject(this) ) + { + // check that we were present only once in the list + wxASSERT_MSG( !wxHandlersWithPendingEvents->Find(this), + "Handler occurs twice in wxHandlersWithPendingEvents list" ); + } + //else: we weren't in this list at all, it's ok -#ifdef __WXGTK__ -extern bool g_isIdle; -extern void wxapp_install_idle_handler(); +#if wxUSE_THREADS + if (wxHandlersWithPendingEventsLocker) + wxLEAVE_CRIT_SECT(*wxHandlersWithPendingEventsLocker); #endif + } + + // we only delete object data, not untyped + if ( m_clientDataType == wxClientData_Object ) + delete m_clientObject; +} + +void wxEvtHandler::Unlink() +{ + // this event handler must take itself out of the chain of handlers: -bool wxEvtHandler::ProcessThreadEvent(wxEvent& event) + if (m_previousHandler) + m_previousHandler->SetNextHandler(m_nextHandler); + + if (m_nextHandler) + m_nextHandler->SetPreviousHandler(m_previousHandler); + + m_nextHandler = NULL; + m_previousHandler = NULL; +} + +bool wxEvtHandler::IsUnlinked() const { - wxEvent *event_main; - wxCriticalSectionLocker locker(*m_eventsLocker); + 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( !wxThread::IsMain() ); + wxASSERT_MSG( !wxThread::IsMain(), + wxT("use ProcessEvent() in main thread") ); - if (m_pendingEvents == NULL) - m_pendingEvents = new wxList(); + AddPendingEvent(event); - event_main = (wxEvent *)event.Clone(); + return true; +} - m_pendingEvents->Append(event_main); +#endif // wxUSE_THREADS - wxPendingEventsLocker->Enter(); - wxPendingEvents->Append(this); - wxPendingEventsLocker->Leave(); +void wxEvtHandler::QueueEvent(wxEvent *event) +{ + wxCHECK_RET( event, "NULL event can't be posted" ); - // TODO: Wake up idle handler for the other platforms. -#ifdef __WXGTK__ - if (g_isIdle) - wxapp_install_idle_handler(); -#endif + // 1) Add this event to our list of pending events + wxENTER_CRIT_SECT( m_pendingEventsLock ); - return TRUE; + if ( !m_pendingEvents ) + m_pendingEvents = new wxList; + + m_pendingEvents->Append(event); + + // 2) Add this event handler to list of event handlers that + // have pending events. + + wxENTER_CRIT_SECT(*wxHandlersWithPendingEventsLocker); + + if ( !wxHandlersWithPendingEvents ) + wxHandlersWithPendingEvents = new wxList; + if ( !wxHandlersWithPendingEvents->Find(this) ) + wxHandlersWithPendingEvents->Append(this); + + wxLEAVE_CRIT_SECT(*wxHandlersWithPendingEventsLocker); + + // 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() { - wxCriticalSectionLocker locker(*m_eventsLocker); - wxNode *node = m_pendingEvents->First(); - wxEvent *event; + wxENTER_CRIT_SECT( m_pendingEventsLock ); - while (node != NULL) { - event = (wxEvent *)node->Data(); - ProcessEvent(*event); - delete node; - node = m_pendingEvents->First(); - } -} -#endif + // 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" ); -/* - * Event table stuff - */ + wxList::compatibility_iterator node = m_pendingEvents->GetFirst(); + wxEventPtr event(static_cast(node->GetData())); -bool wxEvtHandler::ProcessEvent(wxEvent& event) -{ - /* check that our flag corresponds to reality */ - wxASSERT( m_isWindow == IsKindOf(CLASSINFO(wxWindow)) ); + // 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); - /* An event handler can be enabled or disabled */ - if ( GetEvtHandlerEnabled() ) + // if there are no more pending events left, we don't need to stay in this + // list + if ( m_pendingEvents->IsEmpty() ) { #if wxUSE_THREADS - /* Check whether we are in a child thread. */ - if (!wxThread::IsMain()) - return ProcessThreadEvent(event); + if (wxHandlersWithPendingEventsLocker) + wxENTER_CRIT_SECT(*wxHandlersWithPendingEventsLocker); +#endif + wxHandlersWithPendingEvents->DeleteObject(this); +#if wxUSE_THREADS + if (wxHandlersWithPendingEventsLocker) + wxLEAVE_CRIT_SECT(*wxHandlersWithPendingEventsLocker); #endif - /* Handle per-instance dynamic event tables first */ + } - if ( m_dynamicEvents && SearchDynamicEventTable(event) ) - return TRUE; + wxLEAVE_CRIT_SECT( m_pendingEventsLock ); - /* Then static per-class event tables */ + ProcessEvent(*event); - const wxEventTable *table = GetEventTable(); + // 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 +} -#if 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; +/* + * Event table stuff + */ +/* 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))) + { + event.Skip(false); + event.m_callbackUserData = entry.m_callbackUserData; - // 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; - } - } +#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); } -#endif - - // Search upwards through the inheritance hierarchy - while (table) + else +#endif // wxUSE_EXCEPTIONS { - if ( SearchEventTable((wxEventTable&)*table, event) ) - return TRUE; - table = table->baseTable; + (*entry.m_fn)(handler, event); } - } - // Try going down the event handler chain - if ( GetNextHandler() ) - { - if ( GetNextHandler()->ProcessEvent(event) ) - return TRUE; + if (!event.GetSkipped()) + return true; } - // 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() ) + return false; +} + +bool wxEvtHandler::TryParent(wxEvent& event) +{ + if ( GetNextHandler() ) { - wxWindow *win = (wxWindow *)this; - wxWindow *parent = win->GetParent(); - if (parent && !parent->IsBeingDeleted()) - return parent->GetEventHandler()->ProcessEvent(event); + // the next handler will pass it to wxTheApp if it doesn't process it, + // so return from here to avoid doing it again + return GetNextHandler()->TryParent(event); } - // Last try - application object. if ( wxTheApp && (this != wxTheApp) ) { // Special case: don't pass wxEVT_IDLE to wxApp, since it'll always @@ -674,110 +1288,302 @@ 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::ProcessEvent(wxEvent& event) { - int i = 0; - int commandId = event.GetId(); + // allow the application to hook into event processing + // + // 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 ( wxTheApp ) + { + int rc = wxTheApp->FilterEvent(event); + if ( rc != -1 ) + { + wxASSERT_MSG( rc == 1 || rc == 0, + "unexpected wxApp::FilterEvent return value" ); - // BC++ doesn't like while (table.entries[i].m_fn) + return rc != 0; + } + //else: proceed normally + } + } -#ifdef __SC__ - while (table.entries[i].m_fn != 0) -#else - while (table.entries[i].m_fn != 0L) + if ( ProcessEventHere(event) ) + return true; + + // pass the event to the next handler, notice that we shouldn't call + // TryParent() even if it doesn't handle the event as the last handler in + // the chain will do it + if ( GetNextHandler() ) + return GetNextHandler()->ProcessEvent(event); + + // propagate the event upwards the window chain and/or to the application + // object if it wasn't processed at this level + return TryParent(event); +} + +bool wxEvtHandler::ProcessEventHere(wxEvent& event) +{ + // If the event handler is disabled it doesn't process any events + if ( !GetEvtHandlerEnabled() ) + return false; + + // If we have a validator, it has higher priority than our own event + // handlers + if ( TryValidator(event) ) + return true; + + // 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 ( ... ) { - 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)))) + wxEventLoopBase *loop = wxEventLoopBase::GetActive(); + try + { + if ( !wxTheApp || !wxTheApp->OnExceptionInMainLoop() ) + { + if ( loop ) + loop->Exit(); + } + //else: continue running current event loop + + return false; + } + catch ( ... ) { - event.Skip(FALSE); - event.m_callbackUserData = table.entries[i].m_callbackUserData; + // OnExceptionInMainLoop() threw, possibly rethrowing the same + // exception again: very good, but we still need Exit() to + // be called + if ( loop ) + loop->Exit(); + throw; + } + } +#endif // wxUSE_EXCEPTIONS +} - (this->*((wxEventFunction) (table.entries[i].m_fn)))(event); - if ( event.GetSkipped() ) - return FALSE; - else - return TRUE; +bool wxEvtHandler::SearchEventTable(wxEventTable& table, wxEvent& event) +{ + 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; } - i++; } - return FALSE; + + return false; } -void wxEvtHandler::Connect( int id, int lastId, + +void wxEvtHandler::Subscribe( int id, int lastId, wxEventType eventType, - wxObjectEventFunction func, + wxEventFunctor *func, wxObject *userData ) { - wxEventTableEntry *entry = new wxEventTableEntry; - entry->m_id = id; - entry->m_lastId = lastId; - entry->m_eventType = eventType; - entry->m_fn = func; - entry->m_callbackUserData = 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->GetHandler(); + if ( eventSink && eventSink != this ) + { + wxEventConnectionRef *evtConnRef = FindRefInTrackerList(eventSink); + if ( evtConnRef ) + evtConnRef->IncRef( ); + else + new wxEventConnectionRef(this, eventSink); + } } -bool wxEvtHandler::SearchDynamicEventTable( wxEvent& event ) +bool +wxEvtHandler::Unsubscribe(int id, + int lastId, + wxEventType eventType, + const wxEventFunctor& func, + wxObject *userData) { - wxCHECK_MSG( m_dynamicEvents, FALSE, - _T("caller should check that we have dynamic events") ); + if (!m_dynamicEvents) + return false; - int commandId = event.GetId(); + // Remove connection from tracker node (wxEventConnectionRef) + wxEvtHandler *eventSink = func.GetHandler(); + if ( eventSink && eventSink != this ) + { + wxEventConnectionRef *evtConnRef = FindRefInTrackerList(eventSink); + if ( evtConnRef ) + evtConnRef->DecRef(); + } - 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) + if ((entry->m_id == id) && + ((entry->m_lastId == lastId) || (lastId == wxID_ANY)) && + ((entry->m_eventType == eventType) || (eventType == wxEVT_NULL)) && + entry->m_fn->Matches(func) && + ((entry->m_callbackUserData == userData) || !userData)) { - // 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; + delete entry->m_callbackUserData; + m_dynamicEvents->Erase( node ); + delete entry; + return true; + } + node = node->GetNext(); + } + return false; +} - (this->*((wxEventFunction) (entry->m_fn)))(event); +bool wxEvtHandler::SearchDynamicEventTable( wxEvent& event ) +{ + wxCHECK_MSG( m_dynamicEvents, false, + wxT("caller should check that we have dynamic events") ); - if (event.GetSkipped()) - return FALSE; - else - return TRUE; - } + wxList::compatibility_iterator node = m_dynamicEvents->GetFirst(); + while (node) + { + wxDynamicEventTableEntry *entry = (wxDynamicEventTableEntry*)node->GetData(); + + // 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 ) + { + wxEvtHandler *handler = entry->m_fn->GetHandler(); + if ( !handler ) + handler = this; + if ( ProcessEventIfMatchesId(*entry, handler, event) ) + return true; } - node = node->Next(); } - return FALSE; -}; -#if WXWIN_COMPATIBILITY -bool wxEvtHandler::OnClose() + return false; +} + +void wxEvtHandler::DoSetClientObject( wxClientData *data ) { - if (GetNextHandler()) - return GetNextHandler()->OnClose(); - else - return FALSE; + 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; + } + } + + return NULL; +} + +void wxEvtHandler::OnSinkDestroyed( wxEvtHandler *sink ) +{ + 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->GetHandler() == sink ) + { + delete entry->m_callbackUserData; + m_dynamicEvents->Erase( node ); + delete entry; + } + node = node_nxt; + } } -#endif // WXWIN_COMPATIBILITY + +#endif // wxUSE_BASE + +#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. @@ -796,9 +1602,45 @@ 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 +