X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/07514334147e80f763e6dac075f96c64836f5a8c..72da4057731919c6d386aa5a4cf8f3d0258bbe46:/src/common/event.cpp

diff --git a/src/common/event.cpp b/src/common/event.cpp
index 3d4ee35534..817f40e4a8 100644
--- a/src/common/event.cpp
+++ b/src/common/event.cpp
@@ -1,5 +1,5 @@
 /////////////////////////////////////////////////////////////////////////////
-// Name:        event.cpp
+// Name:        src/common/event.cpp
 // Purpose:     Event classes
 // Author:      Julian Smart
 // Modified by:
@@ -17,17 +17,6 @@
 // headers
 // ----------------------------------------------------------------------------
 
-#if defined(__GNUG__) && !defined(NO_GCC_PRAGMA) && !defined(__EMX__)
-// Some older compilers (such as EMX) cannot handle
-// #pragma interface/implementation correctly, iff
-// #pragma implementation is used in _two_ translation
-// units (as created by e.g. event.cpp compiled for
-// libwx_base and event.cpp compiled for libwx_gui_core).
-// So we must not use those pragmas for those compilers in
-// such files.
-    #pragma implementation "event.h"
-#endif
-
 // For compilers that support precompilation, includes "wx.h".
 #include "wx/wxprec.h"
 
@@ -35,28 +24,33 @@
     #pragma hdrstop
 #endif
 
+#include "wx/event.h"
+#include "wx/evtloop.h"
+
 #ifndef WX_PRECOMP
-    #include "wx/defs.h"
-    #include "wx/app.h"
     #include "wx/list.h"
+    #include "wx/app.h"
+    #include "wx/utils.h"
+    #include "wx/stopwatch.h"
+    #include "wx/module.h"
 
     #if wxUSE_GUI
+        #include "wx/window.h"
         #include "wx/control.h"
-        #include "wx/utils.h"
         #include "wx/dc.h"
         #include "wx/textctrl.h"
+        #include "wx/validate.h"
     #endif // wxUSE_GUI
 #endif
 
-#include "wx/event.h"
-#include "wx/module.h"
+#include "wx/thread.h"
 
-#if wxUSE_GUI
-    #include "wx/validate.h"
-#if wxUSE_STOPWATCH
-    #include "wx/stopwatch.h"
-#endif
-#endif // wxUSE_GUI
+#if wxUSE_BASE
+    #include "wx/ptr_scpd.h"
+
+    wxDECLARE_SCOPED_PTR(wxEvent, wxEventPtr)
+    wxDEFINE_SCOPED_PTR(wxEvent, wxEventPtr)
+#endif // wxUSE_BASE
 
 // ----------------------------------------------------------------------------
 // wxWin macros
@@ -65,10 +59,10 @@
 #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(wxIdleEvent, wxEvent)
     IMPLEMENT_DYNAMIC_CLASS(wxCommandEvent, wxEvent)
     IMPLEMENT_DYNAMIC_CLASS(wxNotifyEvent, wxCommandEvent)
     IMPLEMENT_DYNAMIC_CLASS(wxScrollEvent, wxCommandEvent)
@@ -103,6 +97,8 @@
     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
@@ -122,37 +118,40 @@ const wxEventTableEntry wxEvtHandler::sm_eventTableEntries[] =
     { DECLARE_EVENT_TABLE_ENTRY(wxEVT_NULL, 0, 0, (wxObjectEventFunction)NULL, NULL) };
 
 
-#ifdef __WXDEBUG__
-// Clear up event hash table contents or we can get problems
-// when C++ is cleaning up the static object
+// 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
 {
-DECLARE_DYNAMIC_CLASS(wxEventTableEntryModule)
 public:
-    wxEventTableEntryModule() {}
-    bool OnInit() { return true; }
-    void OnExit()
-    {
-        wxEventHashTable::ClearAll();
-    }
+    wxEventTableEntryModule() { }
+    virtual bool OnInit() { return true; }
+    virtual void OnExit() { wxEventHashTable::ClearAll(); }
+
+    DECLARE_DYNAMIC_CLASS(wxEventTableEntryModule)
 };
+
 IMPLEMENT_DYNAMIC_CLASS(wxEventTableEntryModule, wxModule)
-#endif
+
+#endif // __WXDEBUG__ && wxUSE_MEMORY_TRACING
 
 // ----------------------------------------------------------------------------
 // global variables
 // ----------------------------------------------------------------------------
 
-// To put pending event handlers
-wxList *wxPendingEvents = (wxList *)NULL;
+// List containing event handlers with pending events (each handler can occur
+// at most once here)
+wxList *wxPendingEvents = NULL;
 
 #if wxUSE_THREADS
     // protects wxPendingEvents list
-    wxCriticalSection *wxPendingEventsLocker = (wxCriticalSection *)NULL;
+    wxCriticalSection *wxPendingEventsLocker = NULL;
 #endif
 
-#if !WXWIN_COMPATIBILITY_EVENT_TYPES
-
 // common event types are defined here, other event types are defined by the
 // components which use them
 
@@ -162,15 +161,12 @@ const wxEventType wxEVT_USER_FIRST = wxEVT_FIRST + 2000;
 DEFINE_EVENT_TYPE(wxEVT_NULL)
 DEFINE_EVENT_TYPE(wxEVT_IDLE)
 DEFINE_EVENT_TYPE(wxEVT_SOCKET)
-
-#endif // !WXWIN_COMPATIBILITY_EVENT_TYPES
+DEFINE_EVENT_TYPE(wxEVT_TIMER)
 
 #endif // wxUSE_BASE
 
 #if wxUSE_GUI
 
-#if !WXWIN_COMPATIBILITY_EVENT_TYPES
-
 DEFINE_EVENT_TYPE(wxEVT_COMMAND_BUTTON_CLICKED)
 DEFINE_EVENT_TYPE(wxEVT_COMMAND_CHECKBOX_CLICKED)
 DEFINE_EVENT_TYPE(wxEVT_COMMAND_CHOICE_SELECTED)
@@ -187,9 +183,8 @@ 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_TIMER)
+DEFINE_EVENT_TYPE(wxEVT_COMMAND_SPINCTRLDOUBLE_UPDATED)
+DEFINE_EVENT_TYPE(wxEVT_COMMAND_TOOL_DROPDOWN_CLICKED)
 
 // Mouse event types
 DEFINE_EVENT_TYPE(wxEVT_LEFT_DOWN)
@@ -208,6 +203,12 @@ DEFINE_EVENT_TYPE(wxEVT_SET_FOCUS)
 DEFINE_EVENT_TYPE(wxEVT_KILL_FOCUS)
 DEFINE_EVENT_TYPE(wxEVT_CHILD_FOCUS)
 DEFINE_EVENT_TYPE(wxEVT_MOUSEWHEEL)
+DEFINE_EVENT_TYPE(wxEVT_AUX1_DOWN)
+DEFINE_EVENT_TYPE(wxEVT_AUX1_UP)
+DEFINE_EVENT_TYPE(wxEVT_AUX1_DCLICK)
+DEFINE_EVENT_TYPE(wxEVT_AUX2_DOWN)
+DEFINE_EVENT_TYPE(wxEVT_AUX2_UP)
+DEFINE_EVENT_TYPE(wxEVT_AUX2_DCLICK)
 
 // Non-client mouse events
 DEFINE_EVENT_TYPE(wxEVT_NC_LEFT_DOWN)
@@ -247,14 +248,6 @@ DEFINE_EVENT_TYPE(wxEVT_SCROLL_THUMBTRACK)
 DEFINE_EVENT_TYPE(wxEVT_SCROLL_THUMBRELEASE)
 DEFINE_EVENT_TYPE(wxEVT_SCROLL_CHANGED)
 
-// see comments in wx/event.h, near wxEVT_SCROLL_ENDSCROLL declaration
-#if wxCHECK_VERSION(2, 7, 0)
-    #error "Remove the lines below, not needed any more"
-#endif
-#undef wxEVT_SCROLL_ENDSCROLL
-extern WXDLLIMPEXP_CORE const wxEventType wxEVT_SCROLL_ENDSCROLL;
-const wxEventType wxEVT_SCROLL_ENDSCROLL = wxEVT_SCROLL_CHANGED;
-
 // Scroll events from wxWindow
 DEFINE_EVENT_TYPE(wxEVT_SCROLLWIN_TOP)
 DEFINE_EVENT_TYPE(wxEVT_SCROLLWIN_BOTTOM)
@@ -270,12 +263,13 @@ DEFINE_EVENT_TYPE(wxEVT_SIZE)
 DEFINE_EVENT_TYPE(wxEVT_SIZING)
 DEFINE_EVENT_TYPE(wxEVT_MOVE)
 DEFINE_EVENT_TYPE(wxEVT_MOVING)
+DEFINE_EVENT_TYPE(wxEVT_MOVE_START)
+DEFINE_EVENT_TYPE(wxEVT_MOVE_END)
 DEFINE_EVENT_TYPE(wxEVT_CLOSE_WINDOW)
 DEFINE_EVENT_TYPE(wxEVT_END_SESSION)
 DEFINE_EVENT_TYPE(wxEVT_QUERY_END_SESSION)
 DEFINE_EVENT_TYPE(wxEVT_HIBERNATE)
 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)
@@ -283,6 +277,7 @@ 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_MOUSE_CAPTURE_LOST)
 DEFINE_EVENT_TYPE(wxEVT_PAINT)
 DEFINE_EVENT_TYPE(wxEVT_ERASE_BACKGROUND)
 DEFINE_EVENT_TYPE(wxEVT_NC_PAINT)
@@ -307,6 +302,11 @@ DEFINE_EVENT_TYPE(wxEVT_COMPARE_ITEM)
 DEFINE_EVENT_TYPE(wxEVT_INIT_DIALOG)
 DEFINE_EVENT_TYPE(wxEVT_UPDATE_UI)
 
+// Clipboard events
+DEFINE_EVENT_TYPE(wxEVT_COMMAND_TEXT_COPY)
+DEFINE_EVENT_TYPE(wxEVT_COMMAND_TEXT_CUT)
+DEFINE_EVENT_TYPE(wxEVT_COMMAND_TEXT_PASTE)
+
 // Generic command events
 // Note: a click is a higher-level event than button down/up
 DEFINE_EVENT_TYPE(wxEVT_COMMAND_LEFT_CLICK)
@@ -321,12 +321,12 @@ DEFINE_EVENT_TYPE(wxEVT_COMMAND_ENTER)
 DEFINE_EVENT_TYPE(wxEVT_HELP)
 DEFINE_EVENT_TYPE(wxEVT_DETAILED_HELP)
 
-#endif // !WXWIN_COMPATIBILITY_EVENT_TYPES
-
 #endif // wxUSE_GUI
 
 #if wxUSE_BASE
 
+wxIdleMode wxIdleEvent::sm_idleMode = wxIDLE_PROCESS_ALL;
+
 // ============================================================================
 // implementation
 // ============================================================================
@@ -369,7 +369,7 @@ wxEvent::wxEvent(int theId, wxEventType commandType )
 }
 
 wxEvent::wxEvent(const wxEvent &src)
-    : wxObject()
+    : wxObject(src)
     , m_eventObject(src.m_eventObject)
     , m_eventType(src.m_eventType)
     , m_timeStamp(src.m_timeStamp)
@@ -397,9 +397,6 @@ wxEvent::wxEvent(const wxEvent &src)
 
 wxCommandEvent::wxCommandEvent(wxEventType commandType, int theId)
               : wxEvent(theId, commandType)
-#if WXWIN_COMPATIBILITY_2_4
-              , m_commandString(this)
-#endif
 {
     m_clientData = (char *) NULL;
     m_clientObject = (wxClientData *) NULL;
@@ -417,13 +414,15 @@ wxCommandEvent::wxCommandEvent(wxEventType commandType, int theId)
 
 wxString wxCommandEvent::GetString() const
 {
-    if(m_eventType != wxEVT_COMMAND_TEXT_UPDATED || !m_eventObject)
+    if (m_eventType != wxEVT_COMMAND_TEXT_UPDATED || !m_eventObject)
+    {
         return m_cmdString;
+    }
     else
     {
 #if wxUSE_TEXTCTRL
         wxTextCtrl *txt = wxDynamicCast(m_eventObject, wxTextCtrl);
-        if(txt)
+        if ( txt )
             return txt->GetValue();
         else
 #endif // wxUSE_TEXTCTRL
@@ -490,25 +489,6 @@ void wxUpdateUIEvent::ResetUpdateTime()
 #endif
 }
 
-/*
- * Idle events
- */
-
-wxIdleMode wxIdleEvent::sm_idleMode = wxIDLE_PROCESS_ALL;
-
-// Can we send an idle event?
-bool wxIdleEvent::CanSend(wxWindow* win)
-{
-    // Don't update if we've switched global updating off
-    // and this window doesn't support updates.
-    if (win &&
-       (GetMode() == wxIDLE_PROCESS_SPECIFIED &&
-       ((win->GetExtraStyle() & wxWS_EX_PROCESS_IDLE) == 0)))
-        return false;
-
-    return true;
-}
-
 /*
  * Scroll events
  */
@@ -544,18 +524,27 @@ wxScrollWinEvent::wxScrollWinEvent(wxEventType commandType,
 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_controlDown = false;
+    m_shiftDown = false;
+    m_altDown = false;
+    m_metaDown = false;
+
+    m_clickCount = -1;
+
     m_wheelRotation = 0;
     m_wheelDelta = 0;
     m_linesPerAction = 0;
+    m_wheelAxis = 0;
 }
 
 void wxMouseEvent::Assign(const wxMouseEvent& event)
@@ -568,6 +557,8 @@ void wxMouseEvent::Assign(const wxMouseEvent& event)
     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_controlDown = event.m_controlDown;
     m_shiftDown = event.m_shiftDown;
@@ -577,6 +568,7 @@ void wxMouseEvent::Assign(const wxMouseEvent& event)
     m_wheelRotation = event.m_wheelRotation;
     m_wheelDelta = event.m_wheelDelta;
     m_linesPerAction = event.m_linesPerAction;
+    m_wheelAxis = event.m_wheelAxis;
 }
 
 // return true if was a button dclick event
@@ -589,7 +581,8 @@ bool wxMouseEvent::ButtonDClick(int but) const
             // fall through
 
         case wxMOUSE_BTN_ANY:
-            return (LeftDClick() || MiddleDClick() || RightDClick());
+            return (LeftDClick() || MiddleDClick() || RightDClick() ||
+                    Aux1DClick() || Aux2DClick());
 
         case wxMOUSE_BTN_LEFT:
             return LeftDClick();
@@ -599,6 +592,12 @@ bool wxMouseEvent::ButtonDClick(int but) const
 
         case wxMOUSE_BTN_RIGHT:
             return RightDClick();
+
+        case wxMOUSE_BTN_AUX1:
+            return Aux1DClick();
+
+        case wxMOUSE_BTN_AUX2:
+            return Aux2DClick();
     }
 }
 
@@ -612,7 +611,8 @@ bool wxMouseEvent::ButtonDown(int but) const
             // fall through
 
         case wxMOUSE_BTN_ANY:
-            return (LeftDown() || MiddleDown() || RightDown());
+            return (LeftDown() || MiddleDown() || RightDown() ||
+                    Aux1Down() || Aux2Down());
 
         case wxMOUSE_BTN_LEFT:
             return LeftDown();
@@ -622,6 +622,12 @@ bool wxMouseEvent::ButtonDown(int but) const
 
         case wxMOUSE_BTN_RIGHT:
             return RightDown();
+
+        case wxMOUSE_BTN_AUX1:
+            return Aux1Down();
+
+        case wxMOUSE_BTN_AUX2:
+            return Aux2Down();
     }
 }
 
@@ -635,7 +641,8 @@ bool wxMouseEvent::ButtonUp(int but) const
             // fall through
 
         case wxMOUSE_BTN_ANY:
-            return (LeftUp() || MiddleUp() || RightUp());
+            return (LeftUp() || MiddleUp() || RightUp() ||
+                    Aux1Up() || Aux2Up());
 
         case wxMOUSE_BTN_LEFT:
             return LeftUp();
@@ -645,6 +652,12 @@ bool wxMouseEvent::ButtonUp(int but) const
 
         case wxMOUSE_BTN_RIGHT:
             return RightUp();
+
+        case wxMOUSE_BTN_AUX1:
+            return Aux1Up();
+
+        case wxMOUSE_BTN_AUX2:
+            return Aux2Up();
     }
 }
 
@@ -670,6 +683,12 @@ bool wxMouseEvent::Button(int but) const
 
         case wxMOUSE_BTN_RIGHT:
             return RightDown() || RightUp() || RightDClick();
+
+        case wxMOUSE_BTN_AUX1:
+           return Aux1Down() || Aux1Up() || Aux1DClick();
+
+        case wxMOUSE_BTN_AUX2:
+           return Aux2Down() || Aux2Up() || Aux2DClick();
     }
 }
 
@@ -682,7 +701,7 @@ bool wxMouseEvent::ButtonIsDown(int but) const
             // fall through
 
         case wxMOUSE_BTN_ANY:
-            return LeftIsDown() || MiddleIsDown() || RightIsDown();
+            return LeftIsDown() || MiddleIsDown() || RightIsDown() || Aux1Down() || Aux2Down();
 
         case wxMOUSE_BTN_LEFT:
             return LeftIsDown();
@@ -692,12 +711,18 @@ bool wxMouseEvent::ButtonIsDown(int but) const
 
         case wxMOUSE_BTN_RIGHT:
             return RightIsDown();
+
+        case wxMOUSE_BTN_AUX1:
+            return Aux1IsDown();
+
+        case wxMOUSE_BTN_AUX2:
+            return Aux2IsDown();
     }
 }
 
 int wxMouseEvent::GetButton() const
 {
-    for ( int i = 1; i <= 3; i++ )
+    for ( int i = 1; i < wxMOUSE_BTN_MAX; i++ )
     {
         if ( Button(i) )
         {
@@ -756,11 +781,6 @@ wxKeyEvent::wxKeyEvent(const wxKeyEvent& evt)
 #endif
 }
 
-long wxKeyEvent::KeyCode() const
-{
-    return m_keyCode;
-}
-
 wxWindowCreateEvent::wxWindowCreateEvent(wxWindow *win)
 {
     SetEventType(wxEVT_CREATE);
@@ -779,6 +799,23 @@ wxChildFocusEvent::wxChildFocusEvent(wxWindow *win)
     SetEventObject(win);
 }
 
+// ----------------------------------------------------------------------------
+// wxHelpEvent
+// ----------------------------------------------------------------------------
+
+/* static */
+wxHelpEvent::Origin wxHelpEvent::GuessOrigin(Origin origin)
+{
+    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;
+    }
+
+    return origin;
+}
+
 #endif // wxUSE_GUI
 
 
@@ -818,25 +855,20 @@ wxEventHashTable::~wxEventHashTable()
 
 void wxEventHashTable::Clear()
 {
-    size_t i;
-    for(i = 0; i < m_size; i++)
+    for ( size_t i = 0; i < m_size; i++ )
     {
         EventTypeTablePointer  eTTnode = m_eventTypeTable[i];
-        if (eTTnode)
-        {
-            delete eTTnode;
-        }
+        delete eTTnode;
     }
 
-    // Necessary in order to not invoke the
-    // overloaded delete operator when statics are cleaned up
-    if (m_eventTypeTable)
-        delete[] m_eventTypeTable;
-
+    delete[] m_eventTypeTable;
     m_eventTypeTable = NULL;
+
     m_size = 0;
 }
 
+#if defined(__WXDEBUG__) && wxUSE_MEMORY_TRACING
+
 // Clear all tables
 void wxEventHashTable::ClearAll()
 {
@@ -848,6 +880,8 @@ void wxEventHashTable::ClearAll()
     }
 }
 
+#endif // __WXDEBUG__ && wxUSE_MEMORY_TRACING
+
 bool wxEventHashTable::HandleEvent(wxEvent &event, wxEvtHandler *self)
 {
     if (m_rebuildHash)
@@ -988,7 +1022,6 @@ void wxEventHashTable::GrowEventTypeTable()
     delete[] oldEventTypeTable;
 }
 
-
 // ----------------------------------------------------------------------------
 // wxEvtHandler
 // ----------------------------------------------------------------------------
@@ -1004,11 +1037,7 @@ wxEvtHandler::wxEvtHandler()
     m_enabled = true;
     m_dynamicEvents = (wxList *) NULL;
     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;
@@ -1025,15 +1054,28 @@ wxEvtHandler::~wxEvtHandler()
 
     if (m_dynamicEvents)
     {
-        wxList::iterator it = m_dynamicEvents->begin(),
-                         en = m_dynamicEvents->end();
-        for (;it != en; ++it)
+        for ( wxList::iterator it = m_dynamicEvents->begin(),
+                               end = m_dynamicEvents->end();
+              it != end;
+              ++it )
         {
-#if WXWIN_COMPATIBILITY_EVENT_TYPES
-            wxEventTableEntry *entry = (wxEventTableEntry*)*it;
-#else // !WXWIN_COMPATIBILITY_EVENT_TYPES
             wxDynamicEventTableEntry *entry = (wxDynamicEventTableEntry*)*it;
-#endif // WXWIN_COMPATIBILITY_EVENT_TYPES/!WXWIN_COMPATIBILITY_EVENT_TYPES
+
+#if wxUSE_WEAKREF
+            // Remove ourselves from sink destructor notifications
+            // (this has usually been been done, in wxTrackable destructor)
+            wxEvtHandler *eventSink = entry->m_eventSink;
+            if ( eventSink )
+            {
+                wxEventConnectionRef * const
+                    evtConnRef = FindRefInTrackerList(eventSink);
+                if ( evtConnRef )
+                {
+                    eventSink->RemoveNode(evtConnRef);
+                    delete evtConnRef;
+                }
+            }
+#endif // wxUSE_WEAKREF
 
             if (entry->m_callbackUserData)
                 delete entry->m_callbackUserData;
@@ -1042,25 +1084,32 @@ wxEvtHandler::~wxEvtHandler()
         delete m_dynamicEvents;
     };
 
+    if (m_pendingEvents)
+        m_pendingEvents->DeleteContents(true);
     delete m_pendingEvents;
 
-#if wxUSE_THREADS
-#  if !defined(__VISAGECPP__)
-    delete m_eventsLocker;
-#  endif
-
     // Remove us from wxPendingEvents if necessary.
-    if(wxPendingEventsLocker)
-        wxENTER_CRIT_SECT(*wxPendingEventsLocker);
     if ( wxPendingEvents )
     {
-        // Delete all occurences of this from the list of pending events
-        while (wxPendingEvents->DeleteObject(this)) { } // Do nothing
-    }
-    if(wxPendingEventsLocker)
-        wxLEAVE_CRIT_SECT(*wxPendingEventsLocker);
+#if wxUSE_THREADS
+        if (wxPendingEventsLocker)
+            wxENTER_CRIT_SECT(*wxPendingEventsLocker);
 #endif
 
+        if ( wxPendingEvents->DeleteObject(this) )
+        {
+            // check that we were present only once in the list
+            wxASSERT_MSG( !wxPendingEvents->Find(this),
+                          "Handler occurs twice in wxPendingEvents list" );
+        }
+        //else: we weren't in this list at all, it's ok
+
+#if wxUSE_THREADS
+        if (wxPendingEventsLocker)
+            wxLEAVE_CRIT_SECT(*wxPendingEventsLocker);
+#endif
+    }
+
     // we only delete object data, not untyped
     if ( m_clientDataType == wxClientData_Object )
         delete m_clientObject;
@@ -1068,7 +1117,7 @@ wxEvtHandler::~wxEvtHandler()
 
 #if wxUSE_THREADS
 
-bool wxEvtHandler::ProcessThreadEvent(wxEvent& event)
+bool wxEvtHandler::ProcessThreadEvent(const wxEvent& event)
 {
     // check that we are really in a child thread
     wxASSERT_MSG( !wxThread::IsMain(),
@@ -1079,17 +1128,9 @@ bool wxEvtHandler::ProcessThreadEvent(wxEvent& event)
     return true;
 }
 
-void wxEvtHandler::ClearEventLocker()
-{
-#if !defined(__VISAGECPP__)
-    delete m_eventsLocker;
-    m_eventsLocker = NULL;
-#endif
-};
-
 #endif // wxUSE_THREADS
 
-void wxEvtHandler::AddPendingEvent(wxEvent& event)
+void wxEvtHandler::AddPendingEvent(const wxEvent& event)
 {
     // 1) Add event to list of pending events of this event handler
 
@@ -1100,14 +1141,14 @@ void wxEvtHandler::AddPendingEvent(wxEvent& event)
     wxCHECK_RET( eventCopy,
                  _T("events of this type aren't supposed to be posted") );
 
-    wxENTER_CRIT_SECT( Lock() );
+    wxENTER_CRIT_SECT( m_pendingEventsLock );
 
     if ( !m_pendingEvents )
       m_pendingEvents = new wxList;
 
     m_pendingEvents->Append(eventCopy);
 
-    wxLEAVE_CRIT_SECT( Lock() );
+    wxLEAVE_CRIT_SECT( m_pendingEventsLock );
 
     // 2) Add this event handler to list of event handlers that
     //    have pending events.
@@ -1116,49 +1157,55 @@ void wxEvtHandler::AddPendingEvent(wxEvent& event)
 
     if ( !wxPendingEvents )
         wxPendingEvents = new wxList;
-    wxPendingEvents->Append(this);
+    if ( !wxPendingEvents->Find(this) )
+        wxPendingEvents->Append(this);
 
     wxLEAVE_CRIT_SECT(*wxPendingEventsLocker);
 
-    // 3) Inform the system that new pending events are somwehere,
+    // 3) Inform the system that new pending events are somewhere,
     //    and that these should be processed in idle time.
     wxWakeUpIdle();
 }
 
 void wxEvtHandler::ProcessPendingEvents()
 {
-    // this method is only called by wxApp if this handler does have pending
-    // events
-    wxCHECK_RET( m_pendingEvents,
-                 wxT("Please call wxApp::ProcessPendingEvents() instead") );
-
-    wxENTER_CRIT_SECT( Lock() );
-
-    // we leave the loop once we have processed all events that were present at
-    // the start of ProcessPendingEvents because otherwise we could get into
-    // infinite loop if the pending event handler execution resulted in another
-    // event being posted
-    size_t n = m_pendingEvents->size();
-    for ( wxList::compatibility_iterator node = m_pendingEvents->GetFirst();
-          node;
-          node = m_pendingEvents->GetFirst() )
-    {
-        wxEvent *event = (wxEvent *)node->GetData();
-
-        m_pendingEvents->Erase(node);
+    wxENTER_CRIT_SECT( m_pendingEventsLock );
 
-        wxLEAVE_CRIT_SECT( Lock() );
+    // 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" );
 
-        ProcessEvent(*event);
-        delete event;
+    wxList::compatibility_iterator node = m_pendingEvents->GetFirst();
+    wxEventPtr event(wx_static_cast(wxEvent *, node->GetData()));
 
-        wxENTER_CRIT_SECT( Lock() );
+    // it's important we remove event from list before processing it, else a
+    // nested event loop, for example from a modal dialog, might process the
+    // same event again.
+    m_pendingEvents->Erase(node);
 
-        if ( !--n )
-            break;
+    // if there are no more pending events left, we don't need to stay in this
+    // list
+    if ( m_pendingEvents->IsEmpty() )
+    {
+#if wxUSE_THREADS
+        if (wxPendingEventsLocker)
+            wxENTER_CRIT_SECT(*wxPendingEventsLocker);
+#endif
+        wxPendingEvents->DeleteObject(this);
+#if wxUSE_THREADS
+        if (wxPendingEventsLocker)
+            wxLEAVE_CRIT_SECT(*wxPendingEventsLocker);
+#endif
     }
 
-    wxLEAVE_CRIT_SECT( Lock() );
+    wxLEAVE_CRIT_SECT( m_pendingEventsLock );
+
+    ProcessEvent(*event);
+
+    // careful: this object could have been deleted by the event handler
+    // executed by the above ProcessEvent() call, so we can't access any fields
+    // of this object any more
 }
 
 /*
@@ -1259,8 +1306,10 @@ bool wxEvtHandler::ProcessEvent(wxEvent& event)
     // Try going down the event handler chain
     if ( GetNextHandler() )
     {
-        if ( GetNextHandler()->ProcessEvent(event) )
-            return true;
+        // notice that we shouldn't let the parent have the event even if the
+        // next handler does not process it because it will have already passed
+        // it to the parent in this case
+        return GetNextHandler()->ProcessEvent(event);
     }
 
     // Finally propagate the event upwards the window chain and/or to the
@@ -1268,6 +1317,42 @@ bool wxEvtHandler::ProcessEvent(wxEvent& event)
     return TryParent(event);
 }
 
+bool wxEvtHandler::SafelyProcessEvent(wxEvent& event)
+{
+#if wxUSE_EXCEPTIONS
+    try
+    {
+#endif
+        return ProcessEvent(event);
+#if wxUSE_EXCEPTIONS
+    }
+    catch ( ... )
+    {
+        wxEventLoopBase *loop = wxEventLoopBase::GetActive();
+        try
+        {
+            if ( !wxTheApp || !wxTheApp->OnExceptionInMainLoop() )
+            {
+                if ( loop )
+                    loop->Exit();
+            }
+            //else: continue running current event loop
+
+            return false;
+        }
+        catch ( ... )
+        {
+            // OnExceptionInMainLoop() threw, possibly rethrowing the same
+            // exception again: very good, but we still need Exit() to
+            // be called
+            if ( loop )
+                loop->Exit();
+            throw;
+        }
+    }
+#endif // wxUSE_EXCEPTIONS
+}
+
 
 bool wxEvtHandler::SearchEventTable(wxEventTable& table, wxEvent& event)
 {
@@ -1291,23 +1376,26 @@ void wxEvtHandler::Connect( int id, int lastId,
                             wxObject *userData,
                             wxEvtHandler* eventSink )
 {
-#if WXWIN_COMPATIBILITY_EVENT_TYPES
-    wxEventTableEntry *entry = new wxEventTableEntry;
-    entry->m_eventType = eventType;
-    entry->m_id = id;
-    entry->m_lastId = lastId;
-    entry->m_fn = func;
-    entry->m_callbackUserData = userData;
-#else // !WXWIN_COMPATIBILITY_EVENT_TYPES
     wxDynamicEventTableEntry *entry =
         new wxDynamicEventTableEntry(eventType, id, lastId, func, userData, eventSink);
-#endif // WXWIN_COMPATIBILITY_EVENT_TYPES/!WXWIN_COMPATIBILITY_EVENT_TYPES
 
     if (!m_dynamicEvents)
         m_dynamicEvents = new wxList;
 
     // Insert at the front of the list so most recent additions are found first
     m_dynamicEvents->Insert( (wxObject*) entry );
+
+#if wxUSE_WEAKREF
+    // Make sure we get to know when a sink is destroyed
+    if ( eventSink && eventSink != this )
+    {
+        wxEventConnectionRef *evtConnRef = FindRefInTrackerList(eventSink);
+        if ( evtConnRef )
+            evtConnRef->IncRef( );
+        else
+            evtConnRef = new wxEventConnectionRef(this, eventSink);
+    }
+#endif // wxUSE_WEAKREF
 }
 
 bool wxEvtHandler::Disconnect( int id, int lastId, wxEventType eventType,
@@ -1318,14 +1406,20 @@ bool wxEvtHandler::Disconnect( int id, int lastId, wxEventType eventType,
     if (!m_dynamicEvents)
         return false;
 
+#if wxUSE_WEAKREF
+    // Remove connection from tracker node (wxEventConnectionRef)
+    if ( eventSink && eventSink != this )
+    {
+        wxEventConnectionRef *evtConnRef = FindRefInTrackerList(eventSink);
+        if ( evtConnRef )
+            evtConnRef->DecRef();
+    }
+#endif // wxUSE_WEAKREF
+
     wxList::compatibility_iterator node = m_dynamicEvents->GetFirst();
     while (node)
     {
-#if WXWIN_COMPATIBILITY_EVENT_TYPES
-            wxEventTableEntry *entry = (wxEventTableEntry*)node->GetData();
-#else // !WXWIN_COMPATIBILITY_EVENT_TYPES
-            wxDynamicEventTableEntry *entry = (wxDynamicEventTableEntry*)node->GetData();
-#endif // WXWIN_COMPATIBILITY_EVENT_TYPES/!WXWIN_COMPATIBILITY_EVENT_TYPES
+        wxDynamicEventTableEntry *entry = (wxDynamicEventTableEntry*)node->GetData();
 
         if ((entry->m_id == id) &&
             ((entry->m_lastId == lastId) || (lastId == wxID_ANY)) &&
@@ -1353,32 +1447,23 @@ bool wxEvtHandler::SearchDynamicEventTable( wxEvent& event )
     wxList::compatibility_iterator node = m_dynamicEvents->GetFirst();
     while (node)
     {
-#if WXWIN_COMPATIBILITY_EVENT_TYPES
-        wxEventTableEntry *entry = (wxEventTableEntry*)node->GetData();
-#else // !WXWIN_COMPATIBILITY_EVENT_TYPES
         wxDynamicEventTableEntry *entry = (wxDynamicEventTableEntry*)node->GetData();
-#endif // WXWIN_COMPATIBILITY_EVENT_TYPES/!WXWIN_COMPATIBILITY_EVENT_TYPES
+
+        // 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) && (entry->m_fn != 0))
         {
-            wxEvtHandler *handler =
-#if !WXWIN_COMPATIBILITY_EVENT_TYPES
-                                    entry->m_eventSink ? entry->m_eventSink
-                                                       :
-#endif
-                                                         this;
-
+            wxEvtHandler *handler = entry->m_eventSink ? entry->m_eventSink
+                                                       : this;
             if ( ProcessEventIfMatches(*entry, handler, event) )
-            {
                 return true;
-            }
         }
-
-        node = node->GetNext();
     }
 
     return false;
-};
+}
 
 void wxEvtHandler::DoSetClientObject( wxClientData *data )
 {
@@ -1421,6 +1506,48 @@ void *wxEvtHandler::DoGetClientData() const
     return m_clientData;
 }
 
+#if wxUSE_WEAKREF
+// 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_eventSink==sink )
+        {
+            if (entry->m_callbackUserData)
+                delete entry->m_callbackUserData;
+            m_dynamicEvents->Erase( node );
+            delete entry;
+        }
+        node = node_nxt;
+    }
+}
+#endif // wxUSE_WEAKREF
+
 #endif // wxUSE_BASE
 
 #if wxUSE_GUI
@@ -1448,4 +1575,38 @@ wxWindow* wxFindFocusDescendant(wxWindow* ancestor)
     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