]> git.saurik.com Git - wxWidgets.git/blobdiff - src/common/event.cpp
Added chapter on collection and container classes to contents
[wxWidgets.git] / src / common / event.cpp
index c6f1a9023b4efd9a21c03de3c370af148f1c055b..3ace246251136bc2af953944ede28d1f2c09eb7a 100644 (file)
 // Created:     01/02/97
 // RCS-ID:      $Id$
 // Copyright:   (c) Julian Smart and Markus Holzem
 // Created:     01/02/97
 // RCS-ID:      $Id$
 // Copyright:   (c) Julian Smart and Markus Holzem
-// Licence:    wxWindows licence
+// Licence:     wxWindows licence
 /////////////////////////////////////////////////////////////////////////////
 
 /////////////////////////////////////////////////////////////////////////////
 
+// ============================================================================
+// declarations
+// ============================================================================
+
+// ----------------------------------------------------------------------------
+// headers
+// ----------------------------------------------------------------------------
+
 #ifdef __GNUG__
 #ifdef __GNUG__
-#pragma implementation "event.h"
+    #pragma implementation "event.h"
 #endif
 
 // For compilers that support precompilation, includes "wx.h".
 #include "wx/wxprec.h"
 
 #ifdef __BORLANDC__
 #endif
 
 // For compilers that support precompilation, includes "wx.h".
 #include "wx/wxprec.h"
 
 #ifdef __BORLANDC__
-#pragma hdrstop
+    #pragma hdrstop
 #endif
 
 #ifndef WX_PRECOMP
 #endif
 
 #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/defs.h"
+    #include "wx/app.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"
 #endif
 
 #include "wx/event.h"
-#include "wx/validate.h"
 
 
-#if !USE_SHARED_LIBRARY
+#if wxUSE_GUI
+    #include "wx/validate.h"
+#endif // wxUSE_GUI
+
+// ----------------------------------------------------------------------------
+// wxWin macros
+// ----------------------------------------------------------------------------
+
 IMPLEMENT_DYNAMIC_CLASS(wxEvtHandler, wxObject)
 IMPLEMENT_ABSTRACT_CLASS(wxEvent, wxObject)
 IMPLEMENT_DYNAMIC_CLASS(wxEvtHandler, wxObject)
 IMPLEMENT_ABSTRACT_CLASS(wxEvent, wxObject)
-IMPLEMENT_DYNAMIC_CLASS(wxCommandEvent, wxEvent)
-IMPLEMENT_DYNAMIC_CLASS(wxScrollEvent, wxCommandEvent)
-IMPLEMENT_DYNAMIC_CLASS(wxMouseEvent, wxEvent)
-IMPLEMENT_DYNAMIC_CLASS(wxKeyEvent, wxEvent)
-IMPLEMENT_DYNAMIC_CLASS(wxSizeEvent, wxEvent)
-IMPLEMENT_DYNAMIC_CLASS(wxPaintEvent, wxEvent)
-IMPLEMENT_DYNAMIC_CLASS(wxEraseEvent, wxEvent)
-IMPLEMENT_DYNAMIC_CLASS(wxMoveEvent, wxEvent)
-IMPLEMENT_DYNAMIC_CLASS(wxFocusEvent, wxEvent)
-IMPLEMENT_DYNAMIC_CLASS(wxCloseEvent, wxEvent)
-IMPLEMENT_DYNAMIC_CLASS(wxShowEvent, wxEvent)
-IMPLEMENT_DYNAMIC_CLASS(wxMaximizeEvent, wxEvent)
-IMPLEMENT_DYNAMIC_CLASS(wxIconizeEvent, wxEvent)
-IMPLEMENT_DYNAMIC_CLASS(wxMenuEvent, wxEvent)
-IMPLEMENT_DYNAMIC_CLASS(wxJoystickEvent, wxEvent)
-IMPLEMENT_DYNAMIC_CLASS(wxDropFilesEvent, wxEvent)
-IMPLEMENT_DYNAMIC_CLASS(wxActivateEvent, wxEvent)
-IMPLEMENT_DYNAMIC_CLASS(wxInitDialogEvent, wxEvent)
-IMPLEMENT_DYNAMIC_CLASS(wxSysColourChangedEvent, wxEvent)
 IMPLEMENT_DYNAMIC_CLASS(wxIdleEvent, wxEvent)
 IMPLEMENT_DYNAMIC_CLASS(wxIdleEvent, wxEvent)
-IMPLEMENT_DYNAMIC_CLASS(wxUpdateUIEvent, wxEvent)
 
 
-const wxEventTable *wxEvtHandler::GetEventTable() const { return &wxEvtHandler::sm_eventTable; }
+#if wxUSE_GUI
+    IMPLEMENT_DYNAMIC_CLASS(wxCommandEvent, wxEvent)
+    IMPLEMENT_DYNAMIC_CLASS(wxNotifyEvent, wxCommandEvent)
+    IMPLEMENT_DYNAMIC_CLASS(wxScrollEvent, wxCommandEvent)
+    IMPLEMENT_DYNAMIC_CLASS(wxScrollWinEvent, wxEvent)
+    IMPLEMENT_DYNAMIC_CLASS(wxMouseEvent, wxEvent)
+    IMPLEMENT_DYNAMIC_CLASS(wxKeyEvent, wxEvent)
+    IMPLEMENT_DYNAMIC_CLASS(wxSizeEvent, wxEvent)
+    IMPLEMENT_DYNAMIC_CLASS(wxPaintEvent, wxEvent)
+    IMPLEMENT_DYNAMIC_CLASS(wxEraseEvent, wxEvent)
+    IMPLEMENT_DYNAMIC_CLASS(wxMoveEvent, wxEvent)
+    IMPLEMENT_DYNAMIC_CLASS(wxFocusEvent, wxEvent)
+    IMPLEMENT_DYNAMIC_CLASS(wxCloseEvent, wxEvent)
+    IMPLEMENT_DYNAMIC_CLASS(wxShowEvent, wxEvent)
+    IMPLEMENT_DYNAMIC_CLASS(wxMaximizeEvent, wxEvent)
+    IMPLEMENT_DYNAMIC_CLASS(wxIconizeEvent, wxEvent)
+    IMPLEMENT_DYNAMIC_CLASS(wxMenuEvent, wxEvent)
+    IMPLEMENT_DYNAMIC_CLASS(wxJoystickEvent, wxEvent)
+    IMPLEMENT_DYNAMIC_CLASS(wxDropFilesEvent, wxEvent)
+    IMPLEMENT_DYNAMIC_CLASS(wxActivateEvent, wxEvent)
+    IMPLEMENT_DYNAMIC_CLASS(wxInitDialogEvent, wxEvent)
+    IMPLEMENT_DYNAMIC_CLASS(wxSysColourChangedEvent, wxEvent)
+    IMPLEMENT_DYNAMIC_CLASS(wxUpdateUIEvent, wxCommandEvent)
+    IMPLEMENT_DYNAMIC_CLASS(wxNavigationKeyEvent, wxCommandEvent)
+    IMPLEMENT_DYNAMIC_CLASS(wxPaletteChangedEvent, wxEvent)
+    IMPLEMENT_DYNAMIC_CLASS(wxQueryNewPaletteEvent, wxEvent)
+    IMPLEMENT_DYNAMIC_CLASS(wxWindowCreateEvent, wxEvent)
+    IMPLEMENT_DYNAMIC_CLASS(wxWindowDestroyEvent, wxEvent)
+#endif // wxUSE_GUI
+
+const wxEventTable *wxEvtHandler::GetEventTable() const
+    { return &wxEvtHandler::sm_eventTable; }
 
 const wxEventTable wxEvtHandler::sm_eventTable =
 
 const wxEventTable wxEvtHandler::sm_eventTable =
-       { NULL, &wxEvtHandler::sm_eventTableEntries[0] };
+    { (const wxEventTable *)NULL, &wxEvtHandler::sm_eventTableEntries[0] };
+
+const wxEventTableEntry wxEvtHandler::sm_eventTableEntries[] =
+    { { 0, 0, 0, (wxObjectEventFunction) NULL, (wxObject*) NULL } };
+
+
+// ----------------------------------------------------------------------------
+// global variables
+// ----------------------------------------------------------------------------
 
 
-const wxEventTableEntry wxEvtHandler::sm_eventTableEntries[] = { { 0, 0, 0, NULL } };
+// To put pending event handlers
+wxList *wxPendingEvents = (wxList *)NULL;
 
 
+#if wxUSE_THREADS
+    // protects wxPendingEvents list
+    wxCriticalSection *wxPendingEventsLocker = (wxCriticalSection *)NULL;
 #endif
 
 #endif
 
+// ============================================================================
+// implementation
+// ============================================================================
+
+// ----------------------------------------------------------------------------
+// wxEvent
+// ----------------------------------------------------------------------------
+
 /*
  * General wxWindows events, covering
  * all interesting things that might happen (button clicking, resizing,
 /*
  * General wxWindows events, covering
  * all interesting things that might happen (button clicking, resizing,
@@ -76,153 +125,251 @@ const wxEventTableEntry wxEvtHandler::sm_eventTableEntries[] = { { 0, 0, 0, NULL
 
 wxEvent::wxEvent(int theId)
 {
 
 wxEvent::wxEvent(int theId)
 {
-  m_eventType = 0;
-  m_eventObject = NULL;
-  m_eventHandle = NULL;
-  m_timeStamp = 0;
-  m_id = theId;
-  m_skipped = FALSE;
-  m_callbackUserData = NULL;
+    m_eventType = wxEVT_NULL;
+    m_eventObject = (wxObject *) NULL;
+    m_timeStamp = 0;
+    m_id = theId;
+    m_skipped = FALSE;
+    m_callbackUserData = (wxObject *) NULL;
+    m_isCommandEvent = FALSE;
 }
 
 }
 
+void wxEvent::CopyObject(wxObject& object_dest) const
+{
+    wxEvent *obj = (wxEvent *)&object_dest;
+    wxObject::CopyObject(object_dest);
+
+    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;
+}
+
+#if wxUSE_GUI
+
 /*
  * Command events
  *
  */
 
 /*
  * Command events
  *
  */
 
-wxCommandEvent::wxCommandEvent(WXTYPE commandType, int theId)
+wxCommandEvent::wxCommandEvent(wxEventType commandType, int theId)
 {
 {
-  m_eventType = commandType;
-  m_clientData = NULL;
-  m_extraLong = 0;
-  m_commandInt = 0;
-  m_id = theId;
-  m_commandString = NULL;
+    m_eventType = commandType;
+    m_clientData = (char *) NULL;
+    m_clientObject = (wxClientData *) NULL;
+    m_extraLong = 0;
+    m_commandInt = 0;
+    m_id = theId;
+    m_commandString = wxEmptyString;
+    m_isCommandEvent = TRUE;
+}
+
+void wxCommandEvent::CopyObject(wxObject& obj_d) const
+{
+    wxCommandEvent *obj = (wxCommandEvent *)&obj_d;
+
+    wxEvent::CopyObject(obj_d);
+
+    obj->m_clientData    = m_clientData;
+    obj->m_clientObject  = m_clientObject;
+    obj->m_extraLong     = m_extraLong;
+    obj->m_commandInt    = m_commandInt;
+    obj->m_commandString = m_commandString;
+}
+
+/*
+ * Notify events
+ */
+
+void wxNotifyEvent::CopyObject(wxObject& obj_d) const
+{
+    wxNotifyEvent *obj = (wxNotifyEvent *)&obj_d;
+
+    wxEvent::CopyObject(obj_d);
+
+    if (!m_bAllow) obj->Veto();
 }
 
 /*
  * Scroll events
  */
 
 }
 
 /*
  * Scroll events
  */
 
-wxScrollEvent::wxScrollEvent(WXTYPE commandType, int id, int pos, int orient):
-  wxCommandEvent(commandType, id)
+wxScrollEvent::wxScrollEvent(wxEventType commandType,
+                             int id,
+                             int pos,
+                             int orient)
+             : wxCommandEvent(commandType, id)
 {
 {
-  m_extraLong = orient;
-  m_commandInt = pos;
+    m_extraLong = orient;
+    m_commandInt = pos;
 }
 
 }
 
+/*
+ * ScrollWin events
+ */
+
+wxScrollWinEvent::wxScrollWinEvent(wxEventType commandType,
+                                   int pos,
+                                   int orient)
+{
+    m_eventType = commandType;
+    m_extraLong = orient;
+    m_commandInt = pos;
+}
+
+void wxScrollWinEvent::CopyObject(wxObject& obj_d) const
+{
+    wxScrollWinEvent *obj = (wxScrollWinEvent*)&obj_d;
+
+    wxEvent::CopyObject(obj_d);
+
+    obj->m_extraLong    = m_extraLong;
+    obj->m_commandInt   = m_commandInt;
+}
 
 /*
  * Mouse events
  *
  */
 
 
 /*
  * Mouse events
  *
  */
 
-wxMouseEvent::wxMouseEvent(WXTYPE commandType)
+wxMouseEvent::wxMouseEvent(wxEventType commandType)
 {
 {
-  m_eventType = commandType;
-  m_metaDown = FALSE;
-  m_altDown = FALSE;
-  m_controlDown = FALSE;
-  m_shiftDown = FALSE;
+    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;
+}
+
+void wxMouseEvent::CopyObject(wxObject& obj_d) const
+{
+    wxMouseEvent *obj = (wxMouseEvent *)&obj_d;
+
+    wxEvent::CopyObject(obj_d);
+
+    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;
 }
 
 // True if was a button dclick event (1 = left, 2 = middle, 3 = right)
 // or any button dclick event (but = -1)
 bool wxMouseEvent::ButtonDClick(int but) const
 {
 }
 
 // True if was a button dclick event (1 = left, 2 = middle, 3 = right)
 // or any button dclick event (but = -1)
 bool wxMouseEvent::ButtonDClick(int but) const
 {
-  switch (but) {
-    case -1:
-      return (LeftDClick() || MiddleDClick() || RightDClick());
-    case 1:
-      return LeftDClick();
-    case 2:
-      return MiddleDClick();
-    case 3:
-      return RightDClick();
-    default:
-      return FALSE;
-  }
-  // NOTREACHED
+    switch (but)
+    {
+        case -1:
+            return (LeftDClick() || MiddleDClick() || RightDClick());
+        case 1:
+            return LeftDClick();
+        case 2:
+            return MiddleDClick();
+        case 3:
+            return RightDClick();
+        default:
+            wxFAIL_MSG(wxT("invalid parameter in wxMouseEvent::ButtonDClick"));
+    }
+
+    return FALSE;
 }
 
 // True if was a button down event (1 = left, 2 = middle, 3 = right)
 // or any button down event (but = -1)
 bool wxMouseEvent::ButtonDown(int but) const
 {
 }
 
 // True if was a button down event (1 = left, 2 = middle, 3 = right)
 // or any button down event (but = -1)
 bool wxMouseEvent::ButtonDown(int but) const
 {
-  switch (but) {
-    case -1:
-      return (LeftDown() || MiddleDown() || RightDown());
-    case 1:
-      return LeftDown();
-    case 2:
-      return MiddleDown();
-    case 3:
-      return RightDown();
-    default:
-      return FALSE;
-  }
-  // NOTREACHED
+    switch (but)
+    {
+        case -1:
+            return (LeftDown() || MiddleDown() || RightDown());
+        case 1:
+            return LeftDown();
+        case 2:
+            return MiddleDown();
+        case 3:
+            return RightDown();
+        default:
+            wxFAIL_MSG(wxT("invalid parameter in wxMouseEvent::ButtonDown"));
+    }
+
+    return FALSE;
 }
 
 // True if was a button up event (1 = left, 2 = middle, 3 = right)
 // or any button up event (but = -1)
 bool wxMouseEvent::ButtonUp(int but) const
 {
 }
 
 // True if was a button up event (1 = left, 2 = middle, 3 = right)
 // or any button up event (but = -1)
 bool wxMouseEvent::ButtonUp(int but) const
 {
-  switch (but) {
-    case -1:
-      return (LeftUp() || MiddleUp() || RightUp());
-    case 1:
-      return LeftUp();
-    case 2:
-      return MiddleUp();
-    case 3:
-      return RightUp();
-    default:
-      return FALSE;
-  }
-  // NOTREACHED
+    switch (but) {
+        case -1:
+            return (LeftUp() || MiddleUp() || RightUp());
+        case 1:
+            return LeftUp();
+        case 2:
+            return MiddleUp();
+        case 3:
+            return RightUp();
+        default:
+            wxFAIL_MSG(wxT("invalid parameter in wxMouseEvent::ButtonUp"));
+    }
+
+    return FALSE;
 }
 
 // True if the given button is currently changing state
 bool wxMouseEvent::Button(int but) const
 {
 }
 
 // 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());
-    default:
-      return FALSE;
-  }
-  // NOTREACHED
+    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());
+        default:
+            wxFAIL_MSG(wxT("invalid parameter in wxMouseEvent::Button"));
+    }
+
+    return FALSE;
 }
 
 bool wxMouseEvent::ButtonIsDown(int but) const
 {
 }
 
 bool wxMouseEvent::ButtonIsDown(int but) const
 {
-  switch (but) {
-    case -1:
-      return (LeftIsDown() || MiddleIsDown() || RightIsDown());
-    case 1:
-      return LeftIsDown();
-    case 2:
-      return MiddleIsDown();
-    case 3:
-      return RightIsDown();
-    default:
-      return FALSE;
-  }
-  // NOTREACHED
+    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"));
+    }
+
+    return FALSE;
 }
 
 // Find the logical position of the event given the DC
 wxPoint wxMouseEvent::GetLogicalPosition(const wxDC& dc) const
 {
 }
 
 // Find the logical position of the event given the DC
 wxPoint wxMouseEvent::GetLogicalPosition(const wxDC& dc) const
 {
-       wxPoint pt(dc.DeviceToLogicalX(m_x), dc.DeviceToLogicalY(m_y));
-       return pt;
+    wxPoint pt(dc.DeviceToLogicalX(m_x), dc.DeviceToLogicalY(m_y));
+    return pt;
 }
 
 
 }
 
 
@@ -231,286 +378,580 @@ wxPoint wxMouseEvent::GetLogicalPosition(const wxDC& dc) const
  *
  */
 
  *
  */
 
-wxKeyEvent::wxKeyEvent(WXTYPE type)
+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;
+}
+
+void wxKeyEvent::CopyObject(wxObject& obj_d) const
 {
 {
-  m_eventType = type;
-  m_shiftDown = FALSE;
-  m_controlDown = FALSE;
-  m_metaDown = FALSE;
-  m_altDown = FALSE;
-  m_keyCode = 0;
+    wxKeyEvent *obj = (wxKeyEvent *)&obj_d;
+    wxEvent::CopyObject(obj_d);
+
+    obj->m_x = m_x;
+    obj->m_y = m_y;
+    obj->m_keyCode = m_keyCode;
+    
+    obj->m_shiftDown   = m_shiftDown;
+    obj->m_controlDown = m_controlDown;
+    obj->m_metaDown    = m_metaDown;
+    obj->m_altDown     = m_altDown;
+    obj->m_keyCode     = m_keyCode;
 }
 
 }
 
+
 /*
 /*
- * Event handler
+ * Misc events
  */
 
  */
 
-wxEvtHandler::wxEvtHandler(void)
+void wxSizeEvent::CopyObject(wxObject& obj_d) const
 {
 {
-  m_clientData = NULL;
-  m_nextHandler = NULL;
-  m_previousHandler = NULL;
-  m_enabled = TRUE;
-  m_dynamicEvents = NULL;
+    wxSizeEvent *obj = (wxSizeEvent *)&obj_d;
+    wxEvent::CopyObject(obj_d);
+
+    obj->m_size = m_size;
 }
 
 }
 
-wxEvtHandler::~wxEvtHandler(void)
+void wxMoveEvent::CopyObject(wxObject& obj_d) const
 {
 {
-  // Takes itself out of the list of handlers
-  if (m_previousHandler)
-    m_previousHandler->m_nextHandler = m_nextHandler;
+    wxMoveEvent *obj = (wxMoveEvent *)&obj_d;
+    wxEvent::CopyObject(obj_d);
 
 
-  if (m_nextHandler)
-    m_nextHandler->m_previousHandler = m_previousHandler;
-    
-  if (m_dynamicEvents)
-  {
-    wxNode *node = m_dynamicEvents->First();
-    while (node)
-    {
-      wxEventTableEntry *entry = (wxEventTableEntry*)node->Data();
-      if (entry->m_callbackUserData) delete entry->m_callbackUserData;
-      delete entry;
-      node = node->Next();
-    }
-    delete m_dynamicEvents;
-  };
+    obj->m_pos = m_pos;
 }
 
 }
 
-/*
- * Event table stuff
- */
+void wxEraseEvent::CopyObject(wxObject& obj_d) const
+{
+    wxEraseEvent *obj = (wxEraseEvent *)&obj_d;
+    wxEvent::CopyObject(obj_d);
 
 
-bool wxEvtHandler::ProcessEvent(wxEvent& event)
+    obj->m_dc = m_dc;
+}
+
+void wxActivateEvent::CopyObject(wxObject& obj_d) const
 {
 {
-  // An event handler can be enabled or disabled
-  if ( GetEvtHandlerEnabled() )
-  {
-    // Handle per-instance dynamic event tables first
-  
-    if (SearchDynamicEventTable( event )) return TRUE;
-
-    // Then static per-class event tables  
-  
-    const wxEventTable *table = GetEventTable();
-
-    // 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 (IsKindOf(CLASSINFO(wxWindow)))
-    {
-         wxWindow *win = (wxWindow *)this;
-
-         // Can only use the validator of the window which
-         // is receiving the event
-         if ( (win == event.GetEventObject()) &&
-             win->GetValidator() &&
-                 win->GetValidator()->ProcessEvent(event))
-               return TRUE;
-    }
+    wxActivateEvent *obj = (wxActivateEvent *)&obj_d;
+    wxEvent::CopyObject(obj_d);
 
 
-    // Search upwards through the inheritance hierarchy
-    while (table)
-    {
-      if (SearchEventTable((wxEventTable&)*table, event))
-          return TRUE;
-      table = table->baseTable;
-    }
-  }
-
-  // Try going down the event handler chain
-  if ( GetNextHandler() )
-  {
-           if ( GetNextHandler()->ProcessEvent(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 (IsKindOf(CLASSINFO(wxWindow)) && event.IsKindOf(CLASSINFO(wxCommandEvent)))
-  {
-    wxWindow *win = (wxWindow *)this;
-       wxWindow *parent = win->GetParent();
-    if (parent && !parent->IsBeingDeleted())
-      return win->GetParent()->GetEventHandler()->ProcessEvent(event);
-  }
-
-  // Last try - application object
-  if (wxTheApp && this != wxTheApp && wxTheApp->ProcessEvent(event))
-    return TRUE;
-  else
-    return FALSE;
+    obj->m_active = m_active;
 }
 
 }
 
-bool wxEvtHandler::SearchEventTable(wxEventTable& table, wxEvent& event)
+void wxMenuEvent::CopyObject(wxObject& obj_d) const
 {
 {
-  int i = 0;
-  int commandId = event.GetId();
-  
-  while (table.entries[i].m_fn != NULL)
-  {
-    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))))
-    {
-               event.Skip(FALSE);
-                event.m_callbackUserData = table.entries[i].m_callbackUserData;
-       
-        (this->*((wxEventFunction) (table.entries[i].m_fn)))(event);
-
-               if ( event.GetSkipped() )
-                       return FALSE;
-                 else
-            return TRUE;
-    }
-    i ++;
-  }
-  return FALSE;
-}
-
-void wxEvtHandler::Connect( const int id, const int lastId,
-                            const int eventType, 
-                           wxObjectEventFunction 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;
-  
-  if (!m_dynamicEvents) 
-    m_dynamicEvents = new wxList;
-    
-  m_dynamicEvents->Append( (wxObject*) entry );
+    wxMenuEvent *obj = (wxMenuEvent *)&obj_d;
+    wxEvent::CopyObject(obj_d);
+
+    obj->m_menuId = m_menuId;
 }
 
 }
 
-bool wxEvtHandler::SearchDynamicEventTable( wxEvent& event )
+void wxCloseEvent::CopyObject(wxObject& obj_d) const
 {
 {
-  if (!m_dynamicEvents) return FALSE;
-  
-  int commandId = event.GetId();
-  
-  wxNode *node = m_dynamicEvents->First();
-  while (node)
-  {
-    wxEventTableEntry *entry = (wxEventTableEntry*)node->Data();
-    if (entry->m_fn)
-    {
-    if ((event.GetEventType() == entry->m_eventType) &&
-        (entry->m_id == -1 ||     // Match, if event spec says any id will do (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;
-       
-          (this->*((wxEventFunction) (entry->m_fn)))(event);
-
-         if (event.GetSkipped()) 
-           return FALSE;
-         else
-            return TRUE;
-       }
-    };
-    node = node->Next();
-  }
-  return FALSE;
-};
+    wxCloseEvent *obj = (wxCloseEvent *)&obj_d;
+    wxEvent::CopyObject(obj_d);
 
 
+    obj->m_loggingOff = m_loggingOff;
+    obj->m_veto = m_veto;
 #if WXWIN_COMPATIBILITY
 #if WXWIN_COMPATIBILITY
-void wxEvtHandler::OldOnMenuCommand(int cmd)
+    obj->m_force = m_force;
+#endif
+    obj->m_canVeto = m_canVeto;
+}
+
+void wxShowEvent::CopyObject(wxObject& obj_d) const
 {
 {
-    if (GetNextHandler()) GetNextHandler()->OldOnMenuCommand(cmd);
+    wxShowEvent *obj = (wxShowEvent *)&obj_d;
+    wxEvent::CopyObject(obj_d);
+
+    obj->m_show = m_show;
 }
 
 }
 
-void wxEvtHandler::OldOnMenuSelect(int cmd)
+void wxJoystickEvent::CopyObject(wxObject& obj_d) const
 {
 {
-    if (GetNextHandler()) GetNextHandler()->OldOnMenuSelect(cmd);
+    wxJoystickEvent *obj = (wxJoystickEvent *)&obj_d;
+    wxEvent::CopyObject(obj_d);
+
+    obj->m_pos = m_pos;
+    obj->m_zPosition = m_zPosition;
+    obj->m_buttonChange = m_buttonChange;
+    obj->m_buttonState = m_buttonState;
+    obj->m_joyStick = m_joyStick;
 }
 
 }
 
-void wxEvtHandler::OldOnInitMenuPopup(int pos)
+void wxDropFilesEvent::CopyObject(wxObject& obj_d) const
 {
 {
-    if (GetNextHandler()) GetNextHandler()->OldOnInitMenuPopup(pos);
+    wxDropFilesEvent *obj = (wxDropFilesEvent *)&obj_d;
+    wxEvent::CopyObject(obj_d);
+
+    obj->m_noFiles = m_noFiles;
+    obj->m_pos = m_pos;
+    // TODO: Problem with obj->m_files. It should be deallocated by the
+    // destructor of the event.
 }
 
 }
 
-void wxEvtHandler::OldOnScroll(wxCommandEvent& event)
+void wxUpdateUIEvent::CopyObject(wxObject &obj_d) const
 {
 {
-    if (GetNextHandler()) GetNextHandler()->OldOnScroll(event);
+    wxUpdateUIEvent *obj = (wxUpdateUIEvent *)&obj_d;
+    wxEvent::CopyObject(obj_d);
+
+    obj->m_checked = m_checked;
+    obj->m_enabled = m_enabled;
+    obj->m_text = m_text;
+    obj->m_setText = m_setText;
+    obj->m_setChecked = m_setChecked;
+    obj->m_setEnabled = m_setEnabled;
 }
 
 }
 
-void wxEvtHandler::OldOnPaint(void)
+void wxPaletteChangedEvent::CopyObject(wxObject &obj_d) const
 {
 {
-    if (GetNextHandler()) GetNextHandler()->OldOnPaint();
+    wxPaletteChangedEvent *obj = (wxPaletteChangedEvent *)&obj_d;
+    wxEvent::CopyObject(obj_d);
+
+    obj->m_changedWindow = m_changedWindow;
 }
 }
-void wxEvtHandler::OldOnSize(int width, int height)
+
+void wxQueryNewPaletteEvent::CopyObject(wxObject& obj_d) const
 {
 {
-    if (GetNextHandler()) GetNextHandler()->OldOnSize(width, height);
+    wxQueryNewPaletteEvent *obj = (wxQueryNewPaletteEvent *)&obj_d;
+    wxEvent::CopyObject(obj_d);
+
+    obj->m_paletteRealized = m_paletteRealized;
 }
 
 }
 
-void wxEvtHandler::OldOnMove(int x, int y)
+wxWindowCreateEvent::wxWindowCreateEvent(wxWindow *win)
 {
 {
-    if (GetNextHandler()) GetNextHandler()->OldOnMove(x, y);
+    SetEventType(wxEVT_CREATE);
+    SetEventObject(win);
 }
 
 }
 
-void wxEvtHandler::OldOnMouseEvent(wxMouseEvent& event)
+wxWindowDestroyEvent::wxWindowDestroyEvent(wxWindow *win)
 {
 {
-    if (GetNextHandler()) GetNextHandler()->OldOnMouseEvent(event);
+    SetEventType(wxEVT_DESTROY);
+    SetEventObject(win);
 }
 
 }
 
-void wxEvtHandler::OldOnChar(wxKeyEvent& event)
+#endif // wxUSE_GUI
+
+void wxIdleEvent::CopyObject(wxObject& obj_d) const
 {
 {
-    if (GetNextHandler()) GetNextHandler()->OldOnChar(event);
+    wxIdleEvent *obj = (wxIdleEvent *)&obj_d;
+    wxEvent::CopyObject(obj_d);
+
+    obj->m_requestMore = m_requestMore;
 }
 
 }
 
-// Under Windows, we can intercept character input per dialog or frame
-bool wxEvtHandler::OldOnCharHook(wxKeyEvent& event)
+/*
+ * Event handler
+ */
+
+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
+}
+
+wxEvtHandler::~wxEvtHandler()
 {
 {
-    if (GetNextHandler()) return GetNextHandler()->OldOnCharHook(event);
-       else return FALSE;
+    // 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;
+
+    if (m_dynamicEvents)
+    {
+        wxNode *node = m_dynamicEvents->First();
+        while (node)
+        {
+            wxEventTableEntry *entry = (wxEventTableEntry*)node->Data();
+            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
 }
 
 }
 
-void wxEvtHandler::OldOnActivate(bool active)
+#if wxUSE_THREADS
+
+bool wxEvtHandler::ProcessThreadEvent(wxEvent& event)
 {
 {
-    if (GetNextHandler()) GetNextHandler()->OldOnActivate(active);
+    // check that we are really in a child thread
+    wxASSERT_MSG( !wxThread::IsMain(),
+                  wxT("use ProcessEvent() in main thread") );
+
+    AddPendingEvent(event);
+
+    return TRUE;
 }
 
 }
 
-void wxEvtHandler::OldOnSetFocus(void)
+#endif // wxUSE_THREADS
+
+void wxEvtHandler::AddPendingEvent(wxEvent& event)
 {
 {
-    if (GetNextHandler()) GetNextHandler()->OldOnSetFocus();
+    // 1) Add event to list of pending events of this event handler
+
+#if defined(__VISAGECPP__)
+    wxENTER_CRIT_SECT( m_eventsLocker);
+#else
+    wxENTER_CRIT_SECT( *m_eventsLocker);
+#endif
+
+    if ( !m_pendingEvents )
+      m_pendingEvents = new wxList;
+
+    wxEvent *event2 = (wxEvent *)event.Clone();
+
+    m_pendingEvents->Append(event2);
+
+#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::OldOnKillFocus(void)
+void wxEvtHandler::ProcessPendingEvents()
 {
 {
-    if (GetNextHandler()) GetNextHandler()->OldOnKillFocus();
+#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
 }
 
 }
 
-bool wxEvtHandler::OldOnSysColourChange(void)
+/*
+ * Event table stuff
+ */
+
+bool wxEvtHandler::ProcessEvent(wxEvent& event)
 {
 {
-    if (GetNextHandler()) return GetNextHandler()->OldOnSysColourChange();
+#if wxUSE_GUI
+    // check that our flag corresponds to reality
+    wxASSERT( m_isWindow == IsKindOf(CLASSINFO(wxWindow)) );
+#endif // wxUSE_GUI
+
+    // An event handler can be enabled or disabled
+    if ( GetEvtHandlerEnabled() )
+    {
+    
+#if 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.
+        // 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;
+
+            // 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;
+                }
+            }
+        }
+#endif
+
+        // Search upwards through the inheritance hierarchy
+        while (table)
+        {
+            if ( SearchEventTable((wxEventTable&)*table, event) )
+                return TRUE;
+            table = table->baseTable;
+        }
+    }
+
+    // Try going down the event handler chain
+    if ( GetNextHandler() )
+    {
+        if ( GetNextHandler()->ProcessEvent(event) )
+            return TRUE;
+    }
+
+#if wxUSE_GUI
+    // Carry on up the parent-child hierarchy,
+    // but only if event is a command event: it wouldn't
+    // make sense for a parent to receive a child's size event, for example
+    if ( m_isWindow && event.IsCommandEvent() )
+    {
+        wxWindow *win = (wxWindow *)this;
+        wxWindow *parent = win->GetParent();
+        if (parent && !parent->IsBeingDeleted())
+            return parent->GetEventHandler()->ProcessEvent(event);
+    }
+#endif // wxUSE_GUI
+
+    // Last try - application object.
+    if ( wxTheApp && (this != wxTheApp) )
+    {
+        // Special case: don't pass wxEVT_IDLE to wxApp, since it'll always
+        // swallow it. wxEVT_IDLE is sent explicitly to wxApp so it will be
+        // processed appropriately via SearchEventTable.
+        if ( event.GetEventType() != wxEVT_IDLE )
+        {
+            if ( wxTheApp->ProcessEvent(event) )
+                return TRUE;
+        }
+    }
+
     return FALSE;
 }
 
     return FALSE;
 }
 
-void wxEvtHandler::OldOnDropFiles(int n, char *files[], int x, int y)
+bool wxEvtHandler::SearchEventTable(wxEventTable& table, wxEvent& event)
 {
 {
-    if (GetNextHandler()) GetNextHandler()->OldOnDropFiles(n, files, x, y);
-}
+    wxEventType eventType = event.GetEventType();
+    int eventId = event.GetId();
+
+    // 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
+        const wxEventTableEntry& entry = table.entries[i];
 #endif
 
 #endif
 
-bool wxEvtHandler::OnClose(void)
+        // 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 )
+        {
+            int tableId1 = entry.m_id,
+                tableId2 = entry.m_lastId;
+
+            if ( (tableId1 == -1) ||
+                 (tableId2 == -1 && eventId == tableId1) ||
+                 (tableId2 != -1 &&
+                    (eventId >= tableId1 && eventId <= tableId2)) )
+            {
+                event.Skip(FALSE);
+                event.m_callbackUserData = entry.m_callbackUserData;
+
+                (this->*((wxEventFunction) (entry.m_fn)))(event);
+
+                return !event.GetSkipped();
+            }
+        }
+    }
+
+    return FALSE;
+}
+
+void wxEvtHandler::Connect( int id, int lastId,
+                            wxEventType eventType,
+                            wxObjectEventFunction 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;
+
+    if (!m_dynamicEvents)
+        m_dynamicEvents = new wxList;
+
+    m_dynamicEvents->Append( (wxObject*) entry );
+}
+
+bool wxEvtHandler::Disconnect( int id, int lastId, wxEventType eventType,
+                  wxObjectEventFunction func,
+                  wxObject *userData )
+{
+    if (!m_dynamicEvents)
+        return FALSE;
+
+    wxNode *node = m_dynamicEvents->First();
+    while (node)
+    {
+        wxEventTableEntry *entry = (wxEventTableEntry*)node->Data();
+        if ((entry->m_id == id) &&
+            ((entry->m_lastId == lastId) || (lastId == -1)) &&
+            ((entry->m_eventType == eventType) || (eventType == wxEVT_NULL)) &&
+            ((entry->m_fn == func) || (func == (wxObjectEventFunction)NULL)) &&
+            ((entry->m_callbackUserData == userData) || (userData == (wxObject*)NULL)))
+        {
+            if (entry->m_callbackUserData) delete entry->m_callbackUserData;
+            m_dynamicEvents->DeleteNode( node );
+            delete entry;
+            return TRUE;
+        }
+        node = node->Next();
+    }
+    return FALSE;
+}
+
+bool wxEvtHandler::SearchDynamicEventTable( wxEvent& event )
 {
 {
-    if (GetNextHandler()) return GetNextHandler()->OnClose();
-    else return FALSE;
+    wxCHECK_MSG( m_dynamicEvents, FALSE,
+                 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 (entry->m_fn)
+        {
+            // 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;
+
+                (this->*((wxEventFunction) (entry->m_fn)))(event);
+
+                if (event.GetSkipped())
+                    return FALSE;
+                else
+                    return TRUE;
+            }
+        }
+        node = node->Next();
+    }
+    return FALSE;
+};
+
+#if WXWIN_COMPATIBILITY
+bool wxEvtHandler::OnClose()
+{
+    if (GetNextHandler())
+        return GetNextHandler()->OnClose();
+    else
+        return FALSE;
 }
 }
+#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