X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/193bf013642b9742909ab430d3b422840a478e47..957686c882df820c73e2e35732969a4da8d72098:/src/common/event.cpp?ds=sidebyside diff --git a/src/common/event.cpp b/src/common/event.cpp index 2b596a135e..914df70855 100644 --- a/src/common/event.cpp +++ b/src/common/event.cpp @@ -6,9 +6,17 @@ // Created: 01/02/97 // RCS-ID: $Id$ // Copyright: (c) Julian Smart and Markus Holzem -// Licence: wxWindows licence +// Licence: wxWindows licence ///////////////////////////////////////////////////////////////////////////// +// ============================================================================ +// declarations +// ============================================================================ + +// ---------------------------------------------------------------------------- +// headers +// ---------------------------------------------------------------------------- + #ifdef __GNUG__ #pragma implementation "event.h" #endif @@ -22,28 +30,44 @@ #ifndef WX_PRECOMP #include "wx/defs.h" - #include "wx/control.h" - #include "wx/utils.h" #include "wx/app.h" - #include "wx/dc.h" + #include "wx/list.h" + + #if wxUSE_GUI + #include "wx/control.h" + #include "wx/utils.h" + #include "wx/dc.h" + #endif // wxUSE_GUI #endif #include "wx/event.h" -#include "wx/validate.h" -#if !USE_SHARED_LIBRARY - IMPLEMENT_DYNAMIC_CLASS(wxEvtHandler, wxObject) - IMPLEMENT_ABSTRACT_CLASS(wxEvent, wxObject) +#if wxUSE_GUI + #include "wx/validate.h" +#endif // wxUSE_GUI + +// ---------------------------------------------------------------------------- +// wxWin macros +// ---------------------------------------------------------------------------- + +IMPLEMENT_DYNAMIC_CLASS(wxEvtHandler, wxObject) +IMPLEMENT_ABSTRACT_CLASS(wxEvent, wxObject) + +#if wxUSE_GUI + IMPLEMENT_DYNAMIC_CLASS(wxIdleEvent, wxEvent) 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(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) @@ -53,30 +77,213 @@ 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(wxUpdateUIEvent, wxCommandEvent) IMPLEMENT_DYNAMIC_CLASS(wxNavigationKeyEvent, wxCommandEvent) IMPLEMENT_DYNAMIC_CLASS(wxPaletteChangedEvent, wxEvent) IMPLEMENT_DYNAMIC_CLASS(wxQueryNewPaletteEvent, wxEvent) + IMPLEMENT_DYNAMIC_CLASS(wxWindowCreateEvent, wxEvent) + IMPLEMENT_DYNAMIC_CLASS(wxWindowDestroyEvent, wxEvent) + IMPLEMENT_DYNAMIC_CLASS(wxHelpEvent, wxCommandEvent) + IMPLEMENT_DYNAMIC_CLASS(wxContextMenuEvent, wxCommandEvent) +#endif // wxUSE_GUI + +const wxEventTable *wxEvtHandler::GetEventTable() const + { return &wxEvtHandler::sm_eventTable; } - const wxEventTable *wxEvtHandler::GetEventTable() const - { return &wxEvtHandler::sm_eventTable; } +const wxEventTable wxEvtHandler::sm_eventTable = + { (const wxEventTable *)NULL, &wxEvtHandler::sm_eventTableEntries[0] }; - const wxEventTable wxEvtHandler::sm_eventTable = - { (const wxEventTable *)NULL, &wxEvtHandler::sm_eventTableEntries[0] }; +const wxEventTableEntry wxEvtHandler::sm_eventTableEntries[] = + { DECLARE_EVENT_TABLE_ENTRY(wxEVT_NULL, 0, 0, (wxObjectEventFunction)NULL, NULL) }; - const wxEventTableEntry wxEvtHandler::sm_eventTableEntries[] = - { { 0, 0, 0, - #ifdef __SGI_CC__ - // stupid SGI compiler --- offer aug 98 - 0L } - #else // !SGI CC - NULL } - #endif // SGI/!SGI - }; +// ---------------------------------------------------------------------------- +// global variables +// ---------------------------------------------------------------------------- -#endif // !USE_SHARED_LIBRARY +// To put pending event handlers +wxList *wxPendingEvents = (wxList *)NULL; + +#if wxUSE_THREADS + // protects wxPendingEvents list + wxCriticalSection *wxPendingEventsLocker = (wxCriticalSection *)NULL; +#endif + +#if !WXWIN_COMPATIBILITY_EVENT_TYPES + +// common event types are defined here, other event types are defined by the +// components which use them + +DEFINE_EVENT_TYPE(wxEVT_NULL) +DEFINE_EVENT_TYPE(wxEVT_COMMAND_BUTTON_CLICKED) +DEFINE_EVENT_TYPE(wxEVT_COMMAND_CHECKBOX_CLICKED) +DEFINE_EVENT_TYPE(wxEVT_COMMAND_CHOICE_SELECTED) +DEFINE_EVENT_TYPE(wxEVT_COMMAND_LISTBOX_SELECTED) +DEFINE_EVENT_TYPE(wxEVT_COMMAND_LISTBOX_DOUBLECLICKED) +DEFINE_EVENT_TYPE(wxEVT_COMMAND_CHECKLISTBOX_TOGGLED) +DEFINE_EVENT_TYPE(wxEVT_COMMAND_MENU_SELECTED) +DEFINE_EVENT_TYPE(wxEVT_COMMAND_SLIDER_UPDATED) +DEFINE_EVENT_TYPE(wxEVT_COMMAND_RADIOBOX_SELECTED) +DEFINE_EVENT_TYPE(wxEVT_COMMAND_RADIOBUTTON_SELECTED) +DEFINE_EVENT_TYPE(wxEVT_COMMAND_SCROLLBAR_UPDATED) +DEFINE_EVENT_TYPE(wxEVT_COMMAND_VLBOX_SELECTED) +DEFINE_EVENT_TYPE(wxEVT_COMMAND_COMBOBOX_SELECTED) +DEFINE_EVENT_TYPE(wxEVT_COMMAND_TOOL_RCLICKED) +DEFINE_EVENT_TYPE(wxEVT_COMMAND_TOOL_ENTER) +DEFINE_EVENT_TYPE(wxEVT_COMMAND_SPINCTRL_UPDATED) + +// Sockets and timers send events, too +DEFINE_EVENT_TYPE(wxEVT_SOCKET) +DEFINE_EVENT_TYPE(wxEVT_TIMER) + +// Mouse event types +DEFINE_EVENT_TYPE(wxEVT_LEFT_DOWN) +DEFINE_EVENT_TYPE(wxEVT_LEFT_UP) +DEFINE_EVENT_TYPE(wxEVT_MIDDLE_DOWN) +DEFINE_EVENT_TYPE(wxEVT_MIDDLE_UP) +DEFINE_EVENT_TYPE(wxEVT_RIGHT_DOWN) +DEFINE_EVENT_TYPE(wxEVT_RIGHT_UP) +DEFINE_EVENT_TYPE(wxEVT_MOTION) +DEFINE_EVENT_TYPE(wxEVT_ENTER_WINDOW) +DEFINE_EVENT_TYPE(wxEVT_LEAVE_WINDOW) +DEFINE_EVENT_TYPE(wxEVT_LEFT_DCLICK) +DEFINE_EVENT_TYPE(wxEVT_MIDDLE_DCLICK) +DEFINE_EVENT_TYPE(wxEVT_RIGHT_DCLICK) +DEFINE_EVENT_TYPE(wxEVT_SET_FOCUS) +DEFINE_EVENT_TYPE(wxEVT_KILL_FOCUS) +DEFINE_EVENT_TYPE(wxEVT_CHILD_FOCUS) +DEFINE_EVENT_TYPE(wxEVT_MOUSEWHEEL) + +// Non-client mouse events +DEFINE_EVENT_TYPE(wxEVT_NC_LEFT_DOWN) +DEFINE_EVENT_TYPE(wxEVT_NC_LEFT_UP) +DEFINE_EVENT_TYPE(wxEVT_NC_MIDDLE_DOWN) +DEFINE_EVENT_TYPE(wxEVT_NC_MIDDLE_UP) +DEFINE_EVENT_TYPE(wxEVT_NC_RIGHT_DOWN) +DEFINE_EVENT_TYPE(wxEVT_NC_RIGHT_UP) +DEFINE_EVENT_TYPE(wxEVT_NC_MOTION) +DEFINE_EVENT_TYPE(wxEVT_NC_ENTER_WINDOW) +DEFINE_EVENT_TYPE(wxEVT_NC_LEAVE_WINDOW) +DEFINE_EVENT_TYPE(wxEVT_NC_LEFT_DCLICK) +DEFINE_EVENT_TYPE(wxEVT_NC_MIDDLE_DCLICK) +DEFINE_EVENT_TYPE(wxEVT_NC_RIGHT_DCLICK) + +// Character input event type +DEFINE_EVENT_TYPE(wxEVT_CHAR) +DEFINE_EVENT_TYPE(wxEVT_CHAR_HOOK) +DEFINE_EVENT_TYPE(wxEVT_NAVIGATION_KEY) +DEFINE_EVENT_TYPE(wxEVT_KEY_DOWN) +DEFINE_EVENT_TYPE(wxEVT_KEY_UP) + +// Set cursor event +DEFINE_EVENT_TYPE(wxEVT_SET_CURSOR) + +// wxScrollbar and wxSlider event identifiers +DEFINE_EVENT_TYPE(wxEVT_SCROLL_TOP) +DEFINE_EVENT_TYPE(wxEVT_SCROLL_BOTTOM) +DEFINE_EVENT_TYPE(wxEVT_SCROLL_LINEUP) +DEFINE_EVENT_TYPE(wxEVT_SCROLL_LINEDOWN) +DEFINE_EVENT_TYPE(wxEVT_SCROLL_PAGEUP) +DEFINE_EVENT_TYPE(wxEVT_SCROLL_PAGEDOWN) +DEFINE_EVENT_TYPE(wxEVT_SCROLL_THUMBTRACK) +DEFINE_EVENT_TYPE(wxEVT_SCROLL_THUMBRELEASE) + +// Scroll events from wxWindow +DEFINE_EVENT_TYPE(wxEVT_SCROLLWIN_TOP) +DEFINE_EVENT_TYPE(wxEVT_SCROLLWIN_BOTTOM) +DEFINE_EVENT_TYPE(wxEVT_SCROLLWIN_LINEUP) +DEFINE_EVENT_TYPE(wxEVT_SCROLLWIN_LINEDOWN) +DEFINE_EVENT_TYPE(wxEVT_SCROLLWIN_PAGEUP) +DEFINE_EVENT_TYPE(wxEVT_SCROLLWIN_PAGEDOWN) +DEFINE_EVENT_TYPE(wxEVT_SCROLLWIN_THUMBTRACK) +DEFINE_EVENT_TYPE(wxEVT_SCROLLWIN_THUMBRELEASE) + +// System events +DEFINE_EVENT_TYPE(wxEVT_SIZE) +DEFINE_EVENT_TYPE(wxEVT_MOVE) +DEFINE_EVENT_TYPE(wxEVT_CLOSE_WINDOW) +DEFINE_EVENT_TYPE(wxEVT_END_SESSION) +DEFINE_EVENT_TYPE(wxEVT_QUERY_END_SESSION) +DEFINE_EVENT_TYPE(wxEVT_ACTIVATE_APP) +DEFINE_EVENT_TYPE(wxEVT_POWER) +DEFINE_EVENT_TYPE(wxEVT_ACTIVATE) +DEFINE_EVENT_TYPE(wxEVT_CREATE) +DEFINE_EVENT_TYPE(wxEVT_DESTROY) +DEFINE_EVENT_TYPE(wxEVT_SHOW) +DEFINE_EVENT_TYPE(wxEVT_ICONIZE) +DEFINE_EVENT_TYPE(wxEVT_MAXIMIZE) +DEFINE_EVENT_TYPE(wxEVT_MOUSE_CAPTURE_CHANGED) +DEFINE_EVENT_TYPE(wxEVT_PAINT) +DEFINE_EVENT_TYPE(wxEVT_ERASE_BACKGROUND) +DEFINE_EVENT_TYPE(wxEVT_NC_PAINT) +DEFINE_EVENT_TYPE(wxEVT_PAINT_ICON) +DEFINE_EVENT_TYPE(wxEVT_MENU_CHAR) +DEFINE_EVENT_TYPE(wxEVT_MENU_INIT) +DEFINE_EVENT_TYPE(wxEVT_MENU_HIGHLIGHT) +DEFINE_EVENT_TYPE(wxEVT_POPUP_MENU_INIT) +DEFINE_EVENT_TYPE(wxEVT_CONTEXT_MENU) +DEFINE_EVENT_TYPE(wxEVT_SYS_COLOUR_CHANGED) +DEFINE_EVENT_TYPE(wxEVT_SETTING_CHANGED) +DEFINE_EVENT_TYPE(wxEVT_QUERY_NEW_PALETTE) +DEFINE_EVENT_TYPE(wxEVT_PALETTE_CHANGED) +DEFINE_EVENT_TYPE(wxEVT_JOY_BUTTON_DOWN) +DEFINE_EVENT_TYPE(wxEVT_JOY_BUTTON_UP) +DEFINE_EVENT_TYPE(wxEVT_JOY_MOVE) +DEFINE_EVENT_TYPE(wxEVT_JOY_ZMOVE) +DEFINE_EVENT_TYPE(wxEVT_DROP_FILES) +DEFINE_EVENT_TYPE(wxEVT_DRAW_ITEM) +DEFINE_EVENT_TYPE(wxEVT_MEASURE_ITEM) +DEFINE_EVENT_TYPE(wxEVT_COMPARE_ITEM) +DEFINE_EVENT_TYPE(wxEVT_INIT_DIALOG) +DEFINE_EVENT_TYPE(wxEVT_IDLE) +DEFINE_EVENT_TYPE(wxEVT_UPDATE_UI) + +// Generic command events +// Note: a click is a higher-level event than button down/up +DEFINE_EVENT_TYPE(wxEVT_COMMAND_LEFT_CLICK) +DEFINE_EVENT_TYPE(wxEVT_COMMAND_LEFT_DCLICK) +DEFINE_EVENT_TYPE(wxEVT_COMMAND_RIGHT_CLICK) +DEFINE_EVENT_TYPE(wxEVT_COMMAND_RIGHT_DCLICK) +DEFINE_EVENT_TYPE(wxEVT_COMMAND_SET_FOCUS) +DEFINE_EVENT_TYPE(wxEVT_COMMAND_KILL_FOCUS) +DEFINE_EVENT_TYPE(wxEVT_COMMAND_ENTER) + +// Help events +DEFINE_EVENT_TYPE(wxEVT_HELP) +DEFINE_EVENT_TYPE(wxEVT_DETAILED_HELP) + +#endif // !WXWIN_COMPATIBILITY_EVENT_TYPES + +// ============================================================================ +// implementation +// ============================================================================ + +// ---------------------------------------------------------------------------- +// event initialization +// ---------------------------------------------------------------------------- + +int wxNewEventType() +{ + // MT-FIXME + static int s_lastUsedEventType = wxEVT_FIRST; + +#if WXWIN_COMPATIBILITY_2 + // check that we don't overlap with the user-defined types: if it does + // happen, the best solution is probably to update the existing code to + // use wxNewEventType() instead of wxEVT_USER_FIRST + // + // due to the uncertainty + wxASSERT_MSG( s_lastUsedEventType < wxEVT_USER_FIRST - 1, + _T("possible event type conflict") ); +#endif // WXWIN_COMPATIBILITY_2 + + return s_lastUsedEventType++; +} + +// ---------------------------------------------------------------------------- +// wxEvent +// ---------------------------------------------------------------------------- /* * General wxWindows events, covering @@ -87,11 +294,10 @@ * */ -wxEvent::wxEvent(int theId) +wxEvent::wxEvent(int theId, wxEventType commandType ) { - m_eventType = wxEVT_NULL; + m_eventType = commandType; m_eventObject = (wxObject *) NULL; - m_eventHandle = (char *) NULL; m_timeStamp = 0; m_id = theId; m_skipped = FALSE; @@ -99,20 +305,32 @@ wxEvent::wxEvent(int theId) m_isCommandEvent = FALSE; } +wxEvent::wxEvent(const wxEvent &src) +{ + m_eventType = src.m_eventType; + m_eventObject = src.m_eventObject; + m_timeStamp = src.m_timeStamp; + m_id = src.m_id; + m_skipped = src.m_skipped; + m_callbackUserData = src.m_callbackUserData; + m_isCommandEvent = src.m_isCommandEvent; +} + +#if wxUSE_GUI + /* * Command events * */ wxCommandEvent::wxCommandEvent(wxEventType commandType, int theId) + : wxEvent( theId, commandType ) { - m_eventType = commandType; m_clientData = (char *) NULL; m_clientObject = (wxClientData *) NULL; m_extraLong = 0; m_commandInt = 0; - m_id = theId; - m_commandString = (char *) NULL; + m_commandString = wxEmptyString; m_isCommandEvent = TRUE; } @@ -130,6 +348,18 @@ wxScrollEvent::wxScrollEvent(wxEventType commandType, m_commandInt = pos; } +/* + * ScrollWin events + */ + +wxScrollWinEvent::wxScrollWinEvent(wxEventType commandType, + int pos, + int orient) +{ + m_eventType = commandType; + m_extraLong = orient; + m_commandInt = pos; +} /* * Mouse events @@ -148,6 +378,9 @@ wxMouseEvent::wxMouseEvent(wxEventType commandType) m_middleDown = FALSE; m_x = 0; m_y = 0; + m_wheelRotation = 0; + m_wheelDelta = 0; + m_linesPerAction = 0; } // True if was a button dclick event (1 = left, 2 = middle, 3 = right) @@ -165,7 +398,7 @@ bool wxMouseEvent::ButtonDClick(int but) const case 3: return RightDClick(); default: - wxFAIL_MSG("invalid parameter in wxMouseEvent::ButtonDClick"); + wxFAIL_MSG(wxT("invalid parameter in wxMouseEvent::ButtonDClick")); } return FALSE; @@ -186,7 +419,7 @@ bool wxMouseEvent::ButtonDown(int but) const case 3: return RightDown(); default: - wxFAIL_MSG("invalid parameter in wxMouseEvent::ButtonDown"); + wxFAIL_MSG(wxT("invalid parameter in wxMouseEvent::ButtonDown")); } return FALSE; @@ -196,7 +429,8 @@ bool wxMouseEvent::ButtonDown(int but) const // or any button up event (but = -1) bool wxMouseEvent::ButtonUp(int but) const { - switch (but) { + switch (but) + { case -1: return (LeftUp() || MiddleUp() || RightUp()); case 1: @@ -206,7 +440,7 @@ bool wxMouseEvent::ButtonUp(int but) const case 3: return RightUp(); default: - wxFAIL_MSG("invalid parameter in wxMouseEvent::ButtonUp"); + wxFAIL_MSG(wxT("invalid parameter in wxMouseEvent::ButtonUp")); } return FALSE; @@ -215,9 +449,10 @@ bool wxMouseEvent::ButtonUp(int but) const // True if the given button is currently changing state bool wxMouseEvent::Button(int but) const { - switch (but) { + switch (but) + { case -1: - return (ButtonUp(-1) || ButtonDown(-1) || ButtonDClick(-1)) ; + return (ButtonUp(-1) || ButtonDown(-1) || ButtonDClick(-1)); case 1: return (LeftDown() || LeftUp() || LeftDClick()); case 2: @@ -225,7 +460,7 @@ bool wxMouseEvent::Button(int but) const case 3: return (RightDown() || RightUp() || RightDClick()); default: - wxFAIL_MSG("invalid parameter in wxMouseEvent::Button"); + wxFAIL_MSG(wxT("invalid parameter in wxMouseEvent::Button")); } return FALSE; @@ -233,7 +468,8 @@ bool wxMouseEvent::Button(int but) const bool wxMouseEvent::ButtonIsDown(int but) const { - switch (but) { + switch (but) + { case -1: return (LeftIsDown() || MiddleIsDown() || RightIsDown()); case 1: @@ -243,12 +479,25 @@ bool wxMouseEvent::ButtonIsDown(int but) const case 3: return RightIsDown(); default: - wxFAIL_MSG("invalid parameter in wxMouseEvent::ButtonIsDown"); + wxFAIL_MSG(wxT("invalid parameter in wxMouseEvent::ButtonIsDown")); } return FALSE; } +int wxMouseEvent::GetButton() const +{ + for ( int i = 1; i <= 3; i++ ) + { + if ( Button(i) ) + { + return i; + } + } + + return -1; +} + // Find the logical position of the event given the DC wxPoint wxMouseEvent::GetLogicalPosition(const wxDC& dc) const { @@ -258,7 +507,7 @@ wxPoint wxMouseEvent::GetLogicalPosition(const wxDC& dc) const /* - * Keyboard events + * Keyboard event * */ @@ -270,8 +519,34 @@ wxKeyEvent::wxKeyEvent(wxEventType type) m_metaDown = FALSE; m_altDown = FALSE; m_keyCode = 0; + m_scanCode = 0; } + +wxWindowCreateEvent::wxWindowCreateEvent(wxWindow *win) +{ + SetEventType(wxEVT_CREATE); + SetEventObject(win); +} + +wxWindowDestroyEvent::wxWindowDestroyEvent(wxWindow *win) +{ + SetEventType(wxEVT_DESTROY); + SetEventObject(win); +} + +wxChildFocusEvent::wxChildFocusEvent(wxWindow *win) + : wxCommandEvent(wxEVT_CHILD_FOCUS) +{ + SetEventObject(win); +} + +#endif // wxUSE_GUI + +// ---------------------------------------------------------------------------- +// wxEvtHandler +// ---------------------------------------------------------------------------- + /* * Event handler */ @@ -283,6 +558,15 @@ wxEvtHandler::wxEvtHandler() 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 + // no client data (yet) + m_clientData = NULL; + m_clientDataType = wxClientData_None; } wxEvtHandler::~wxEvtHandler() @@ -299,13 +583,129 @@ wxEvtHandler::~wxEvtHandler() wxNode *node = m_dynamicEvents->First(); while (node) { +#if WXWIN_COMPATIBILITY_EVENT_TYPES wxEventTableEntry *entry = (wxEventTableEntry*)node->Data(); - if (entry->m_callbackUserData) delete entry->m_callbackUserData; +#else // !WXWIN_COMPATIBILITY_EVENT_TYPES + wxDynamicEventTableEntry *entry = (wxDynamicEventTableEntry*)node->Data(); +#endif // WXWIN_COMPATIBILITY_EVENT_TYPES/!WXWIN_COMPATIBILITY_EVENT_TYPES + + if (entry->m_callbackUserData) + delete entry->m_callbackUserData; delete entry; node = node->Next(); } delete m_dynamicEvents; }; + + delete m_pendingEvents; + +#if wxUSE_THREADS +# if !defined(__VISAGECPP__) + delete m_eventsLocker; +# endif +#endif + + // we only delete object data, not untyped + if ( m_clientDataType == wxClientData_Object ) + delete m_clientObject; +} + +#if wxUSE_THREADS + +bool wxEvtHandler::ProcessThreadEvent(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; +} + +#endif // wxUSE_THREADS + +void wxEvtHandler::AddPendingEvent(wxEvent& event) +{ + // 1) Add event to list of pending events of this event handler + + wxEvent *eventCopy = event.Clone(); + + // we must be able to copy the events here so the event class must + // implement Clone() properly instead of just providing a NULL stab for it + wxCHECK_RET( eventCopy, + _T("events of this type aren't supposed to be posted") ); + +#if defined(__VISAGECPP__) + wxENTER_CRIT_SECT( m_eventsLocker); +#else + wxENTER_CRIT_SECT( *m_eventsLocker); +#endif + + if ( !m_pendingEvents ) + m_pendingEvents = new wxList; + + m_pendingEvents->Append(eventCopy); + +#if defined(__VISAGECPP__) + wxLEAVE_CRIT_SECT( m_eventsLocker); +#else + wxLEAVE_CRIT_SECT( *m_eventsLocker); +#endif + + // 2) Add this event handler to list of event handlers that + // have pending events. + + wxENTER_CRIT_SECT(*wxPendingEventsLocker); + + if ( !wxPendingEvents ) + wxPendingEvents = new wxList; + wxPendingEvents->Append(this); + + wxLEAVE_CRIT_SECT(*wxPendingEventsLocker); + + // 3) Inform the system that new pending events are somwehere, + // and that these should be processed in idle time. + wxWakeUpIdle(); +} + +void wxEvtHandler::ProcessPendingEvents() +{ +#if defined(__VISAGECPP__) + wxENTER_CRIT_SECT( m_eventsLocker); +#else + wxENTER_CRIT_SECT( *m_eventsLocker); +#endif + + wxNode *node = m_pendingEvents->First(); + while ( node ) + { + wxEvent *event = (wxEvent *)node->Data(); + delete node; + + // In ProcessEvent, new events might get added and + // we can safely leave the crtical section here. +#if defined(__VISAGECPP__) + wxLEAVE_CRIT_SECT( m_eventsLocker); +#else + wxLEAVE_CRIT_SECT( *m_eventsLocker); +#endif + ProcessEvent(*event); + delete event; +#if defined(__VISAGECPP__) + wxENTER_CRIT_SECT( m_eventsLocker); +#else + wxENTER_CRIT_SECT( *m_eventsLocker); +#endif + + node = m_pendingEvents->First(); + } + +#if defined(__VISAGECPP__) + wxLEAVE_CRIT_SECT( m_eventsLocker); +#else + wxLEAVE_CRIT_SECT( *m_eventsLocker); +#endif } /* @@ -314,21 +714,61 @@ wxEvtHandler::~wxEvtHandler() bool wxEvtHandler::ProcessEvent(wxEvent& event) { +#if wxUSE_GUI + + // We have to use the actual window or processing events from + // wxWindowNative destructor won't work (we don't see the wxWindow class) +#ifdef __WXDEBUG__ // check that our flag corresponds to reality - wxASSERT( m_isWindow == IsKindOf(CLASSINFO(wxWindow)) ); + wxClassInfo* info = NULL; +#ifdef __WXUNIVERSAL__ +# if defined(__WXMSW__) + info = CLASSINFO(wxWindowMSW); +# elif defined(__WXGTK__) + info = CLASSINFO(wxWindowGTK); +# elif defined(__WXMGL__) + info = CLASSINFO(wxWindowMGL); +# elif defined(__WXPM__) + info = CLASSINFO(wxWindowOS2); +# elif defined(__WXMAC__) + info = CLASSINFO(wxWindowMac); +# elif defined(__WXMOTIF__) + info = CLASSINFO(wxWindowMotif); +# endif +#else + info = CLASSINFO(wxWindow); +#endif + + wxASSERT_MSG( m_isWindow == IsKindOf(info), + wxString(GetClassInfo()->GetClassName()) + _T(" should [not] be a window but it is [not]") ); +#endif + +#endif // wxUSE_GUI // An event handler can be enabled or disabled if ( GetEvtHandlerEnabled() ) { - // Handle per-instance dynamic event tables first +#if 0 +/* + What is this? When using GUI threads, a non main + threads can send an event and process it itself. + This breaks GTK's GUI threads, so please explain. +*/ + + // Check whether we are in a child thread. + if ( !wxThread::IsMain() ) + return ProcessThreadEvent(event); +#endif + + // Handle per-instance dynamic event tables first 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. @@ -337,7 +777,7 @@ bool wxEvtHandler::ProcessEvent(wxEvent& event) // THIS CAN BE CURED if PushEventHandler is used instead of // SetEventHandler, and then processing will be passed down the // chain of event handlers. - if ( m_isWindow ) + if (m_isWindow) { wxWindow *win = (wxWindow *)this; @@ -352,9 +792,10 @@ bool wxEvtHandler::ProcessEvent(wxEvent& event) } } } +#endif // Search upwards through the inheritance hierarchy - while ( table ) + while (table) { if ( SearchEventTable((wxEventTable&)*table, event) ) return TRUE; @@ -369,16 +810,26 @@ bool wxEvtHandler::ProcessEvent(wxEvent& event) 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 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() ) { wxWindow *win = (wxWindow *)this; - wxWindow *parent = win->GetParent(); - if (parent && !parent->IsBeingDeleted()) - return parent->GetEventHandler()->ProcessEvent(event); + + // honour the requests to stop propagation at this window: this is + // used by the dialogs, for example, to prevent processing the events + // from the dialog controls in the parent frame which rarely, if ever, + // makes sense + if ( !(win->GetExtraStyle() & wxWS_EX_BLOCK_EVENTS) ) + { + wxWindow *parent = win->GetParent(); + if ( parent && !parent->IsBeingDeleted() ) + return parent->GetEventHandler()->ProcessEvent(event); + } } +#endif // wxUSE_GUI // Last try - application object. if ( wxTheApp && (this != wxTheApp) ) @@ -398,49 +849,64 @@ bool wxEvtHandler::ProcessEvent(wxEvent& event) bool wxEvtHandler::SearchEventTable(wxEventTable& table, wxEvent& event) { - int i = 0; - int commandId = event.GetId(); + wxEventType eventType = event.GetEventType(); + int eventId = event.GetId(); - // BC++ doesn't like while (table.entries[i].m_fn) - -#ifdef __SC__ - while (table.entries[i].m_fn != 0) + // BC++ doesn't like testing for m_fn without != 0 + for ( int i = 0; table.entries[i].m_fn != 0; i++ ) + { + // the line using reference exposes a bug in gcc: although it _seems_ + // to work, it leads to weird crashes later on during program + // execution +#ifdef __GNUG__ + wxEventTableEntry entry = table.entries[i]; #else - while (table.entries[i].m_fn != 0L) + const wxEventTableEntry& entry = table.entries[i]; #endif - { - if ((event.GetEventType() == table.entries[i].m_eventType) && - (table.entries[i].m_id == -1 || // Match, if event spec says any id will do (id == -1) - (table.entries[i].m_lastId == -1 && commandId == table.entries[i].m_id) || - (table.entries[i].m_lastId != -1 && - (commandId >= table.entries[i].m_id && commandId <= table.entries[i].m_lastId)))) + + // match only if the event type is the same and the id is either -1 in + // the event table (meaning "any") or the event id matches the id + // specified in the event table either exactly or by falling into + // range between first and last + if ( eventType == entry.m_eventType ) { - event.Skip(FALSE); - event.m_callbackUserData = table.entries[i].m_callbackUserData; + int tableId1 = entry.m_id, + tableId2 = entry.m_lastId; - (this->*((wxEventFunction) (table.entries[i].m_fn)))(event); + if ( (tableId1 == -1) || + (tableId2 == -1 && eventId == tableId1) || + (tableId2 != -1 && + (eventId >= tableId1 && eventId <= tableId2)) ) + { + event.Skip(FALSE); + event.m_callbackUserData = entry.m_callbackUserData; - if ( event.GetSkipped() ) - return FALSE; - else - return TRUE; + (this->*((wxEventFunction) (entry.m_fn)))(event); + + return !event.GetSkipped(); + } } - i++; } + return FALSE; } void wxEvtHandler::Connect( int id, int lastId, - wxEventType eventType, + int eventType, wxObjectEventFunction func, wxObject *userData ) { +#if WXWIN_COMPATIBILITY_EVENT_TYPES wxEventTableEntry *entry = new wxEventTableEntry; + entry->m_eventType = eventType; entry->m_id = id; entry->m_lastId = lastId; - entry->m_eventType = eventType; entry->m_fn = func; entry->m_callbackUserData = userData; +#else // !WXWIN_COMPATIBILITY_EVENT_TYPES + wxDynamicEventTableEntry *entry = + new wxDynamicEventTableEntry(eventType, id, lastId, func, userData); +#endif // WXWIN_COMPATIBILITY_EVENT_TYPES/!WXWIN_COMPATIBILITY_EVENT_TYPES if (!m_dynamicEvents) m_dynamicEvents = new wxList; @@ -448,17 +914,54 @@ void wxEvtHandler::Connect( int id, int lastId, m_dynamicEvents->Append( (wxObject*) entry ); } +bool wxEvtHandler::Disconnect( int id, int lastId, wxEventType eventType, + wxObjectEventFunction func, + wxObject *userData ) +{ + if (!m_dynamicEvents) + return FALSE; + + wxNode *node = m_dynamicEvents->First(); + while (node) + { +#if WXWIN_COMPATIBILITY_EVENT_TYPES + wxEventTableEntry *entry = (wxEventTableEntry*)node->Data(); +#else // !WXWIN_COMPATIBILITY_EVENT_TYPES + wxDynamicEventTableEntry *entry = (wxDynamicEventTableEntry*)node->Data(); +#endif // WXWIN_COMPATIBILITY_EVENT_TYPES/!WXWIN_COMPATIBILITY_EVENT_TYPES + + if ((entry->m_id == id) && + ((entry->m_lastId == lastId) || (lastId == -1)) && + ((entry->m_eventType == eventType) || (eventType == wxEVT_NULL)) && + ((entry->m_fn == func) || (func == (wxObjectEventFunction)NULL)) && + ((entry->m_callbackUserData == userData) || (userData == (wxObject*)NULL))) + { + if (entry->m_callbackUserData) + delete entry->m_callbackUserData; + m_dynamicEvents->DeleteNode( node ); + delete entry; + return TRUE; + } + node = node->Next(); + } + return FALSE; +} + bool wxEvtHandler::SearchDynamicEventTable( wxEvent& event ) { wxCHECK_MSG( m_dynamicEvents, FALSE, - "caller should check that we have dynamic events" ); + wxT("caller should check that we have dynamic events") ); int commandId = event.GetId(); wxNode *node = m_dynamicEvents->First(); while (node) { - wxEventTableEntry *entry = (wxEventTableEntry*)node->Data(); +#if WXWIN_COMPATIBILITY_EVENT_TYPES + wxEventTableEntry *entry = (wxEventTableEntry*)node->Data(); +#else // !WXWIN_COMPATIBILITY_EVENT_TYPES + wxDynamicEventTableEntry *entry = (wxDynamicEventTableEntry*)node->Data(); +#endif // WXWIN_COMPATIBILITY_EVENT_TYPES/!WXWIN_COMPATIBILITY_EVENT_TYPES if (entry->m_fn) { @@ -485,6 +988,48 @@ bool wxEvtHandler::SearchDynamicEventTable( wxEvent& event ) return FALSE; }; +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; +} + + #if WXWIN_COMPATIBILITY bool wxEvtHandler::OnClose() { @@ -495,3 +1040,29 @@ bool wxEvtHandler::OnClose() } #endif // WXWIN_COMPATIBILITY +#if wxUSE_GUI + +// Find a window with the focus, that is also a descendant of the given window. +// This is used to determine the window to initially send commands to. +wxWindow* wxFindFocusDescendant(wxWindow* ancestor) +{ + // Process events starting with the window with the focus, if any. + wxWindow* focusWin = wxWindow::FindFocus(); + wxWindow* win = focusWin; + + // Check if this is a descendant of this frame. + // If not, win will be set to NULL. + while (win) + { + if (win == ancestor) + break; + else + win = win->GetParent(); + } + if (win == (wxWindow*) NULL) + focusWin = (wxWindow*) NULL; + + return focusWin; +} + +#endif // wxUSE_GUI