]> git.saurik.com Git - wxWidgets.git/blobdiff - src/gtk1/window.cpp
missing commit
[wxWidgets.git] / src / gtk1 / window.cpp
index 6836677cc89cb6b3efb38d6e68a69003f0cbf3ee..9dc790f7ffb81b9310fc6eeb857986ea51f02f9a 100644 (file)
@@ -49,7 +49,7 @@
 
 #include "wx/fontutil.h"
 
-#ifdef __WXDEBUG__
+#if wxDEBUG_LEVEL
     #include "wx/thread.h"
 #endif
 
@@ -207,19 +207,19 @@ static GdkGC *g_eraseGC = NULL;
 
 // mouse capture state: the window which has it and if the mouse is currently
 // inside it
-static wxWindowGTK  *g_captureWindow = (wxWindowGTK*) NULL;
+static wxWindowGTK  *g_captureWindow = NULL;
 static bool g_captureWindowHasMouse = false;
 
-wxWindowGTK  *g_focusWindow = (wxWindowGTK*) NULL;
+wxWindowGTK  *g_focusWindow = NULL;
 
 // the last window which had the focus - this is normally never NULL (except
 // if we never had focus at all) as even when g_focusWindow is NULL it still
 // keeps its previous value
-wxWindowGTK *g_focusWindowLast = (wxWindowGTK*) NULL;
+wxWindowGTK *g_focusWindowLast = NULL;
 
 // If a window get the focus set but has not been realized
 // yet, defer setting the focus to idle time.
-wxWindowGTK *g_delayedFocus = (wxWindowGTK*) NULL;
+wxWindowGTK *g_delayedFocus = NULL;
 
 // hack: we need something to pass to gtk_menu_popup, so we store the time of
 // the last click here (extern: used from gtk/menu.cpp)
@@ -227,7 +227,7 @@ guint32 wxGtkTimeLastClick = 0;
 
 // global variables because GTK+ DnD want to have the
 // mouse event that caused it
-GdkEvent *g_lastMouseEvent = (GdkEvent*) NULL;
+GdkEvent *g_lastMouseEvent = NULL;
 int g_lastButtonNumber = 0;
 
 extern bool g_mainThreadLocked;
@@ -236,19 +236,16 @@ extern bool g_mainThreadLocked;
 // debug
 //-----------------------------------------------------------------------------
 
-#ifdef __WXDEBUG__
-
 #if wxUSE_THREADS
-#   define DEBUG_MAIN_THREAD if (wxThread::IsMain() && g_mainThreadLocked) printf("gui reentrance");
+#   define DEBUG_MAIN_THREAD \
+        wxASSERT_MSG( !g_mainThreadLocked || !wxThread::IsMain(), \
+                      "GUI reentrancy detected" );
 #else
 #   define DEBUG_MAIN_THREAD
 #endif
-#else
-#define DEBUG_MAIN_THREAD
-#endif // Debug
 
 // the trace mask used for the focus debugging messages
-#define TRACE_FOCUS _T("focus")
+#define TRACE_FOCUS wxT("focus")
 
 //-----------------------------------------------------------------------------
 // missing gdk functions
@@ -294,7 +291,7 @@ wxWindow *wxFindFocusedChild(wxWindowGTK *win)
 {
     wxWindow *winFocus = wxWindowGTK::FindFocus();
     if ( !winFocus )
-        return (wxWindow *)NULL;
+        return NULL;
 
     if ( winFocus == win )
         return (wxWindow *)win;
@@ -308,7 +305,7 @@ wxWindow *wxFindFocusedChild(wxWindowGTK *win)
             return child;
     }
 
-    return (wxWindow *)NULL;
+    return NULL;
 }
 
 static void draw_frame( GtkWidget *widget, wxWindowGTK *win )
@@ -611,7 +608,7 @@ static void gtk_window_draw_callback( GtkWidget *widget,
         GdkRectangle child_area;
         if (gtk_widget_intersect (child->widget, rect, &child_area))
         {
-            gtk_widget_draw (child->widget, &child_area /* (GdkRectangle*) NULL*/ );
+            gtk_widget_draw (child->widget, &child_area /* NULL*/ );
         }
     }
 #endif
@@ -623,7 +620,7 @@ static void gtk_window_draw_callback( GtkWidget *widget,
 //-----------------------------------------------------------------------------
 
 // set WXTRACE to this to see the key event codes on the console
-#define TRACE_KEYS  _T("keyevent")
+#define TRACE_KEYS  wxT("keyevent")
 
 // translates an X key symbol to WXK_XXX value
 //
@@ -923,7 +920,6 @@ static void wxFillOtherKeyEventFields(wxKeyEvent& event,
     event.m_controlDown = (gdk_event->state & GDK_CONTROL_MASK) != 0;
     event.m_altDown = (gdk_event->state & GDK_MOD1_MASK) != 0;
     event.m_metaDown = (gdk_event->state & GDK_MOD2_MASK) != 0;
-    event.m_scanCode = gdk_event->keyval;
     event.m_rawCode = (wxUint32) gdk_event->keyval;
     event.m_rawFlags = 0;
 #if wxUSE_UNICODE
@@ -958,9 +954,9 @@ wxTranslateGTKKeyEventToWx(wxKeyEvent& event,
 
     KeySym keysym = gdk_event->keyval;
 
-    wxLogTrace(TRACE_KEYS, _T("Key %s event: keysym = %ld"),
-               event.GetEventType() == wxEVT_KEY_UP ? _T("release")
-                                                    : _T("press"),
+    wxLogTrace(TRACE_KEYS, wxT("Key %s event: keysym = %ld"),
+               event.GetEventType() == wxEVT_KEY_UP ? wxT("release")
+                                                    : wxT("press"),
                keysym);
 
     long key_code = wxTranslateKeySymToWXKey(keysym, false /* !isChar */);
@@ -989,7 +985,7 @@ wxTranslateGTKKeyEventToWx(wxKeyEvent& event,
             Display *dpy = (Display *)wxGetDisplay();
             KeyCode keycode = XKeysymToKeycode(dpy, keysym);
 
-            wxLogTrace(TRACE_KEYS, _T("\t-> keycode %d"), keycode);
+            wxLogTrace(TRACE_KEYS, wxT("\t-> keycode %d"), keycode);
 
             KeySym keysymNormalized = XKeycodeToKeysym(dpy, keycode, 0);
 
@@ -1028,7 +1024,7 @@ wxTranslateGTKKeyEventToWx(wxKeyEvent& event,
         }
     }
 
-    wxLogTrace(TRACE_KEYS, _T("\t-> wxKeyCode %ld"), key_code);
+    wxLogTrace(TRACE_KEYS, wxT("\t-> wxKeyCode %ld"), key_code);
 
     // sending unknown key events doesn't really make sense
     if ( !key_code )
@@ -1066,7 +1062,7 @@ static gint gtk_window_key_press_callback( GtkWidget *widget,
     if ( wxTranslateGTKKeyEventToWx(event, win, gdk_event) )
     {
         // Emit KEY_DOWN event
-        ret = win->GetEventHandler()->ProcessEvent( event );
+        ret = win->HandleWindowEvent( event );
     }
     else
     {
@@ -1122,12 +1118,12 @@ static gint gtk_window_key_press_callback( GtkWidget *widget,
             if (parent)
             {
                 event.SetEventType( wxEVT_CHAR_HOOK );
-                ret = parent->GetEventHandler()->ProcessEvent( event );
+                ret = parent->HandleWindowEvent( event );
             }
             if (!ret)
             {
                 event.SetEventType(wxEVT_CHAR);
-                win->GetEventHandler()->ProcessEvent( event );
+                win->HandleWindowEvent( event );
             }
         }
         return true;
@@ -1145,8 +1141,8 @@ static gint gtk_window_key_press_callback( GtkWidget *widget,
             int command = ancestor->GetAcceleratorTable()->GetCommand( event );
             if (command != -1)
             {
-                wxCommandEvent command_event( wxEVT_COMMAND_MENU_SELECTED, command );
-                ret = ancestor->GetEventHandler()->ProcessEvent( command_event );
+                wxCommandEvent command_event( wxEVT_MENU, command );
+                ret = ancestor->HandleWindowEvent( command_event );
                 break;
             }
             if (ancestor->IsTopLevel())
@@ -1180,7 +1176,7 @@ static gint gtk_window_key_press_callback( GtkWidget *widget,
 
         if ( key_code )
         {
-            wxLogTrace(TRACE_KEYS, _T("Char event: %ld"), key_code);
+            wxLogTrace(TRACE_KEYS, wxT("Char event: %ld"), key_code);
 
             event.m_keyCode = key_code;
 
@@ -1191,13 +1187,13 @@ static gint gtk_window_key_press_callback( GtkWidget *widget,
             if (parent)
             {
                 event.SetEventType( wxEVT_CHAR_HOOK );
-                ret = parent->GetEventHandler()->ProcessEvent( event );
+                ret = parent->HandleWindowEvent( event );
             }
 
             if (!ret)
             {
                 event.SetEventType(wxEVT_CHAR);
-                ret = win->GetEventHandler()->ProcessEvent( event );
+                ret = win->HandleWindowEvent( event );
             }
         }
     }
@@ -1227,7 +1223,7 @@ static gint gtk_window_key_press_callback( GtkWidget *widget,
         // CTRL-TAB changes the (parent) window, i.e. switch notebook page
         new_event.SetWindowChange( (gdk_event->state & GDK_CONTROL_MASK) );
         new_event.SetCurrentFocus( win );
-        ret = win->GetParent()->GetEventHandler()->ProcessEvent( new_event );
+        ret = win->GetParent()->HandleWindowEvent( new_event );
     }
 
     // generate wxID_CANCEL if <esc> has been pressed (typically in dialogs)
@@ -1261,9 +1257,9 @@ static gint gtk_window_key_press_callback( GtkWidget *widget,
 
         if ( btnCancel )
         {
-            wxCommandEvent eventClick(wxEVT_COMMAND_BUTTON_CLICKED, wxID_CANCEL);
+            wxCommandEvent eventClick(wxEVT_BUTTON, wxID_CANCEL);
             eventClick.SetEventObject(btnCancel);
-            ret = btnCancel->GetEventHandler()->ProcessEvent(eventClick);
+            ret = btnCancel->HandleWindowEvent(eventClick);
         }
     }
 
@@ -1304,7 +1300,7 @@ static gint gtk_window_key_release_callback( GtkWidget *widget,
         return FALSE;
     }
 
-    if ( !win->GetEventHandler()->ProcessEvent( event ) )
+    if ( !win->HandleWindowEvent( event ) )
         return FALSE;
 
     gtk_signal_emit_stop_by_name( GTK_OBJECT(widget), "key_release_event" );
@@ -1336,6 +1332,7 @@ template<typename T> void InitMouseEvent(wxWindowGTK *win,
     if (event.GetEventType() == wxEVT_MOUSEWHEEL)
     {
        event.m_linesPerAction = 3;
+       event.m_columnsPerAction = 3;
        event.m_wheelDelta = 120;
        if (((GdkEventButton*)gdk_event)->button == 4)
            event.m_wheelRotation = 120;
@@ -1433,7 +1430,7 @@ wxWindowGTK *FindWindowForMouseEvent(wxWindowGTK *win, wxCoord& x, wxCoord& y)
         }
         else
         {
-            if ((child->m_wxwindow == (GtkWidget*) NULL) &&
+            if ((child->m_wxwindow == NULL) &&
                 (child->m_x <= xx) &&
                 (child->m_y <= yy) &&
                 (child->m_x+child->m_width  >= xx) &&
@@ -1616,7 +1613,7 @@ static gint gtk_window_button_press_callback( GtkWidget *widget,
         }
     }
 
-    if (win->GetEventHandler()->ProcessEvent( event ))
+    if (win->HandleWindowEvent( event ))
     {
         gtk_signal_emit_stop_by_name( GTK_OBJECT(widget), "button_press_event" );
         g_lastMouseEvent = NULL;
@@ -1638,7 +1635,7 @@ static gint gtk_window_button_press_callback( GtkWidget *widget,
             win->GetId(),
             win->ClientToScreen(event.GetPosition()));
         evtCtx.SetEventObject(win);
-        return win->GetEventHandler()->ProcessEvent(evtCtx);
+        return win->HandleWindowEvent(evtCtx);
     }
 
     return FALSE;
@@ -1684,7 +1681,7 @@ static gint gtk_window_button_release_callback( GtkWidget *widget,
             break;
 
         default:
-            // unknwon button, don't process
+            // unknown button, don't process
             return FALSE;
     }
 
@@ -1701,7 +1698,7 @@ static gint gtk_window_button_release_callback( GtkWidget *widget,
     if ( !g_captureWindow )
         win = FindWindowForMouseEvent(win, event.m_x, event.m_y);
 
-    if (win->GetEventHandler()->ProcessEvent( event ))
+    if (win->HandleWindowEvent( event ))
     {
         gtk_signal_emit_stop_by_name( GTK_OBJECT(widget), "button_release_event" );
         return TRUE;
@@ -1771,7 +1768,7 @@ static gint gtk_window_motion_notify_callback( GtkWidget *widget,
                                                         : wxEVT_LEAVE_WINDOW);
             InitMouseEvent(win, eventM, gdk_event);
             eventM.SetEventObject(win);
-            win->GetEventHandler()->ProcessEvent(eventM);
+            win->HandleWindowEvent(eventM);
         }
     }
     else // no capture
@@ -1779,7 +1776,7 @@ static gint gtk_window_motion_notify_callback( GtkWidget *widget,
         win = FindWindowForMouseEvent(win, event.m_x, event.m_y);
     }
 
-    bool ret = win->GetEventHandler()->ProcessEvent( event );
+    bool ret = win->HandleWindowEvent( event );
     g_lastMouseEvent = NULL;
 
     if ( ret )
@@ -1802,12 +1799,12 @@ static bool DoSendFocusEvents(wxWindow *win)
     // Notify the parent keeping track of focus for the kbd navigation
     // purposes that we got it.
     wxChildFocusEvent eventChildFocus(win);
-    (void)win->GetEventHandler()->ProcessEvent(eventChildFocus);
+    (void)win->HandleWindowEvent(eventChildFocus);
 
     wxFocusEvent eventFocus(wxEVT_SET_FOCUS, win->GetId());
     eventFocus.SetEventObject(win);
 
-    return win->GetEventHandler()->ProcessEvent(eventFocus);
+    return win->HandleWindowEvent(eventFocus);
 }
 
 extern "C" {
@@ -1824,7 +1821,7 @@ static gint gtk_window_focus_in_callback( GtkWidget *widget,
     g_focusWindow = win;
 
     wxLogTrace(TRACE_FOCUS,
-               _T("%s: focus in"), win->GetName().c_str());
+               wxT("%s: focus in"), win->GetName().c_str());
 
 #ifdef HAVE_XIM
     if (win->m_ic)
@@ -1872,14 +1869,14 @@ static gint gtk_window_focus_out_callback( GtkWidget *WXUNUSED(widget),
         wxapp_install_idle_handler();
 
     wxLogTrace( TRACE_FOCUS,
-                _T("%s: focus out"), win->GetName().c_str() );
+                wxT("%s: focus out"), win->GetName().c_str() );
 
 
     wxWindowGTK *winFocus = wxFindFocusedChild(win);
     if ( winFocus )
         win = winFocus;
 
-    g_focusWindow = (wxWindowGTK *)NULL;
+    g_focusWindow = NULL;
 
 #ifdef HAVE_XIM
     if (win->m_ic)
@@ -1908,7 +1905,7 @@ static gint gtk_window_focus_out_callback( GtkWidget *WXUNUSED(widget),
         // process it too as otherwise bad things happen, especially in GTK2
         // where the text control simply aborts the program if it doesn't get
         // the matching focus out event
-        (void)win->GetEventHandler()->ProcessEvent( event );
+        (void)win->HandleWindowEvent( event );
     }
 
     return FALSE;
@@ -1950,7 +1947,7 @@ gint gtk_window_enter_callback( GtkWidget *widget,
     event.m_x = x + pt.x;
     event.m_y = y + pt.y;
 
-    if (win->GetEventHandler()->ProcessEvent( event ))
+    if (win->HandleWindowEvent( event ))
     {
        gtk_signal_emit_stop_by_name( GTK_OBJECT(widget), "enter_notify_event" );
        return TRUE;
@@ -2002,7 +1999,7 @@ static gint gtk_window_leave_callback( GtkWidget *widget, GdkEventCrossing *gdk_
     event.m_x = x + pt.x;
     event.m_y = y + pt.y;
 
-    if (win->GetEventHandler()->ProcessEvent( event ))
+    if (win->HandleWindowEvent( event ))
     {
         gtk_signal_emit_stop_by_name( GTK_OBJECT(widget), "leave_notify_event" );
         return TRUE;
@@ -2042,7 +2039,7 @@ static void gtk_window_vscroll_callback( GtkAdjustment *adjust,
 
     wxScrollWinEvent event( command, value, wxVERTICAL );
     event.SetEventObject( win );
-    win->GetEventHandler()->ProcessEvent( event );
+    win->HandleWindowEvent( event );
 }
 }
 
@@ -2075,7 +2072,7 @@ static void gtk_window_hscroll_callback( GtkAdjustment *adjust,
 
     wxScrollWinEvent event( command, value, wxHORIZONTAL );
     event.SetEventObject( win );
-    win->GetEventHandler()->ProcessEvent( event );
+    win->HandleWindowEvent( event );
 }
 }
 
@@ -2141,7 +2138,7 @@ static gint gtk_scrollbar_button_release_callback( GtkRange *widget,
 
         wxScrollWinEvent event( command, value, dir );
         event.SetEventObject( win );
-        win->GetEventHandler()->ProcessEvent( event );
+        win->HandleWindowEvent( event );
     }
 
     win->m_isScrolling = false;
@@ -2179,7 +2176,7 @@ gtk_window_realized_callback( GtkWidget *WXUNUSED(widget), wxWindow *win )
 
     wxWindowCreateEvent event( win );
     event.SetEventObject( win );
-    win->GetEventHandler()->ProcessEvent( event );
+    win->HandleWindowEvent( event );
 
     return FALSE;
 }
@@ -2213,7 +2210,7 @@ void gtk_window_size_callback( GtkWidget *WXUNUSED(widget),
     {
         wxSizeEvent event( win->GetSize(), win->GetId() );
         event.SetEventObject( win );
-        win->GetEventHandler()->ProcessEvent( event );
+        win->HandleWindowEvent( event );
     }
 }
 }
@@ -2417,16 +2414,14 @@ wxMouseState wxGetMouseState()
 // method
 #ifdef __WXUNIVERSAL__
     IMPLEMENT_ABSTRACT_CLASS(wxWindowGTK, wxWindowBase)
-#else // __WXGTK__
-    IMPLEMENT_DYNAMIC_CLASS(wxWindow, wxWindowBase)
-#endif // __WXUNIVERSAL__/__WXGTK__
+#endif // __WXUNIVERSAL__
 
 void wxWindowGTK::Init()
 {
     // GTK specific
-    m_widget = (GtkWidget *) NULL;
-    m_wxwindow = (GtkWidget *) NULL;
-    m_focusWidget = (GtkWidget *) NULL;
+    m_widget = NULL;
+    m_wxwindow = NULL;
+    m_focusWidget = NULL;
 
     // position/size
     m_x = 0;
@@ -2437,7 +2432,6 @@ void wxWindowGTK::Init()
     m_sizeSet = false;
     m_hasVMT = false;
     m_needParent = true;
-    m_isBeingDeleted = false;
 
     m_noExpose = false;
     m_nativeSizeEvent = false;
@@ -2445,8 +2439,8 @@ void wxWindowGTK::Init()
     m_hasScrolling = false;
     m_isScrolling = false;
 
-    m_hAdjust = (GtkAdjustment*) NULL;
-    m_vAdjust = (GtkAdjustment*) NULL;
+    m_hAdjust = NULL;
+    m_vAdjust = NULL;
     m_oldHorizontalPos =
     m_oldVerticalPos = 0.0;
     m_oldClientWidth =
@@ -2466,8 +2460,8 @@ void wxWindowGTK::Init()
     m_cursor = *wxSTANDARD_CURSOR;
 
 #ifdef HAVE_XIM
-    m_ic = (GdkIC*) NULL;
-    m_icattr = (GdkICAttr*) NULL;
+    m_ic = NULL;
+    m_icattr = NULL;
 #endif
 }
 
@@ -2509,7 +2503,7 @@ bool wxWindowGTK::Create( wxWindow *parent,
 
     m_insertCallback = wxInsertChildInWindow;
 
-    m_widget = gtk_scrolled_window_new( (GtkAdjustment *) NULL, (GtkAdjustment *) NULL );
+    m_widget = gtk_scrolled_window_new( NULL, NULL );
     GTK_WIDGET_UNSET_FLAGS( m_widget, GTK_CAN_FOCUS );
 
     GtkScrolledWindow *scrolledWindow = GTK_SCROLLED_WINDOW(m_widget);
@@ -2613,7 +2607,6 @@ wxWindowGTK::~wxWindowGTK()
     if ( g_delayedFocus == this )
         g_delayedFocus = NULL;
 
-    m_isBeingDeleted = true;
     m_hasVMT = false;
 
     // destroy children before destroying this window itself
@@ -2642,13 +2635,13 @@ wxWindowGTK::~wxWindowGTK()
     if (m_wxwindow)
     {
         gtk_widget_destroy( m_wxwindow );
-        m_wxwindow = (GtkWidget*) NULL;
+        m_wxwindow = NULL;
     }
 
     if (m_widget)
     {
         gtk_widget_destroy( m_widget );
-        m_widget = (GtkWidget*) NULL;
+        m_widget = NULL;
     }
 }
 
@@ -2917,7 +2910,7 @@ void wxWindowGTK::DoSetSize( int x, int y, int width, int height, int sizeFlags
     {
         wxSizeEvent event( wxSize(m_width,m_height), GetId() );
         event.SetEventObject( this );
-        GetEventHandler()->ProcessEvent( event );
+        HandleWindowEvent( event );
     }
 
     m_resizing = false;
@@ -2937,9 +2930,9 @@ void wxWindowGTK::OnInternalIdle()
     GtkUpdate();
 
     wxCursor cursor = m_cursor;
-    if (g_globalCursor.Ok()) cursor = g_globalCursor;
+    if (g_globalCursor.IsOk()) cursor = g_globalCursor;
 
-    if (cursor.Ok())
+    if (cursor.IsOk())
     {
         /* I now set the cursor anew in every OnInternalIdle call
            as setting the cursor in a parent window also effects the
@@ -2952,7 +2945,7 @@ void wxWindowGTK::OnInternalIdle()
             if (window)
                 gdk_window_set_cursor( window, cursor.GetCursor() );
 
-            if (!g_globalCursor.Ok())
+            if (!g_globalCursor.IsOk())
                 cursor = *wxSTANDARD_CURSOR;
 
             window = m_widget->window;
@@ -2968,8 +2961,7 @@ void wxWindowGTK::OnInternalIdle()
         }
     }
 
-    if (wxUpdateUIEvent::CanUpdate(this) && IsShown())
-        UpdateWindowUI(wxUPDATE_UI_FROMIDLE);
+    wxWindowBase::OnInternalIdle();
 }
 
 void wxWindowGTK::DoGetSize( int *width, int *height ) const
@@ -3138,7 +3130,7 @@ void wxWindowGTK::DoClientToScreen( int *x, int *y ) const
 
     if (!m_widget->window) return;
 
-    GdkWindow *source = (GdkWindow *) NULL;
+    GdkWindow *source = NULL;
     if (m_wxwindow)
         source = GTK_PIZZA(m_wxwindow)->bin_window;
     else
@@ -3167,7 +3159,7 @@ void wxWindowGTK::DoScreenToClient( int *x, int *y ) const
 
     if (!m_widget->window) return;
 
-    GdkWindow *source = (GdkWindow *) NULL;
+    GdkWindow *source = NULL;
     if (m_wxwindow)
         source = GTK_PIZZA(m_wxwindow)->bin_window;
     else
@@ -3208,7 +3200,7 @@ bool wxWindowGTK::Show( bool show )
     wxShowEvent eventShow(GetId(), show);
     eventShow.SetEventObject(this);
 
-    GetEventHandler()->ProcessEvent(eventShow);
+    HandleWindowEvent(eventShow);
 
     return true;
 }
@@ -3227,7 +3219,7 @@ int wxWindowGTK::GetCharHeight() const
     wxCHECK_MSG( (m_widget != NULL), 12, wxT("invalid window") );
 
     wxFont font = GetFont();
-    wxCHECK_MSG( font.Ok(), 12, wxT("invalid font") );
+    wxCHECK_MSG( font.IsOk(), 12, wxT("invalid font") );
 
     GdkFont *gfont = font.GetInternalFont( 1.0 );
 
@@ -3239,23 +3231,23 @@ int wxWindowGTK::GetCharWidth() const
     wxCHECK_MSG( (m_widget != NULL), 8, wxT("invalid window") );
 
     wxFont font = GetFont();
-    wxCHECK_MSG( font.Ok(), 8, wxT("invalid font") );
+    wxCHECK_MSG( font.IsOk(), 8, wxT("invalid font") );
 
     GdkFont *gfont = font.GetInternalFont( 1.0 );
 
     return gdk_string_width( gfont, "g" );
 }
 
-void wxWindowGTK::GetTextExtent( const wxString& string,
-                                 int *x,
-                                 int *y,
-                                 int *descent,
-                                 int *externalLeading,
-                                 const wxFont *theFont ) const
+void wxWindowGTK::DoGetTextExtent(const wxString& string,
+                                  int *x,
+                                  int *y,
+                                  int *descent,
+                                  int *externalLeading,
+                                  const wxFont *theFont) const
 {
     wxFont fontToUse = theFont ? *theFont : GetFont();
 
-    wxCHECK_RET( fontToUse.Ok(), wxT("invalid font") );
+    wxCHECK_RET( fontToUse.IsOk(), wxT("invalid font") );
 
     if (string.empty())
     {
@@ -3298,7 +3290,7 @@ void wxWindowGTK::SetFocus()
                 // it should be focused and will do it later, during the idle
                 // time, as soon as we can
                 wxLogTrace(TRACE_FOCUS,
-                           _T("Delaying setting focus to %s(%s)"),
+                           wxT("Delaying setting focus to %s(%s)"),
                            GetClassInfo()->GetClassName(), GetLabel().c_str());
 
                 g_delayedFocus = this;
@@ -3306,7 +3298,7 @@ void wxWindowGTK::SetFocus()
             else
             {
                 wxLogTrace(TRACE_FOCUS,
-                           _T("Setting focus to %s(%s)"),
+                           wxT("Setting focus to %s(%s)"),
                            GetClassInfo()->GetClassName(), GetLabel().c_str());
 
                 gtk_widget_grab_focus (m_widget);
@@ -3320,7 +3312,7 @@ void wxWindowGTK::SetFocus()
         else
         {
            wxLogTrace(TRACE_FOCUS,
-                      _T("Can't set focus to %s(%s)"),
+                      wxT("Can't set focus to %s(%s)"),
                       GetClassInfo()->GetClassName(), GetLabel().c_str());
         }
     }
@@ -3431,7 +3423,7 @@ void wxWindowGTK::WarpPointer( int x, int y )
     // We provide this function ourselves as it is
     // missing in GDK (top of this file).
 
-    GdkWindow *window = (GdkWindow*) NULL;
+    GdkWindow *window = NULL;
     if (m_wxwindow)
         window = GTK_PIZZA(m_wxwindow)->bin_window;
     else
@@ -3505,7 +3497,7 @@ void wxWindowGTK::Refresh( bool eraseBackground, const wxRect *rect )
         }
         else
         {
-            gtk_widget_draw( m_widget, (GdkRectangle*) NULL );
+            gtk_widget_draw( m_widget, NULL );
         }
     }
 }
@@ -3583,20 +3575,16 @@ void wxWindowGTK::GtkSendPaintEvents()
             }
         }
     }
-    else
-
-    // if (!m_clearRegion.IsEmpty())   // Always send an erase event under GTK 1.2
+    else // Always send an erase event under GTK 1.2
     {
         wxWindowDC dc( (wxWindow*)this );
-        if (m_clearRegion.IsEmpty())
-            dc.SetClippingRegion( m_updateRegion );
-        else
-            dc.SetClippingRegion( m_clearRegion );
+        dc.SetDeviceClippingRegion( m_clearRegion.IsEmpty() ? m_updateRegion
+                                                            : m_clearRegion );
 
         wxEraseEvent erase_event( GetId(), &dc );
         erase_event.SetEventObject( this );
 
-        if (!GetEventHandler()->ProcessEvent(erase_event) && GetBackgroundStyle() != wxBG_STYLE_CUSTOM)
+        if (!HandleWindowEvent(erase_event) && GetBackgroundStyle() != wxBG_STYLE_CUSTOM)
         {
             if (!g_eraseGC)
             {
@@ -3618,11 +3606,11 @@ void wxWindowGTK::GtkSendPaintEvents()
 
     wxNcPaintEvent nc_paint_event( GetId() );
     nc_paint_event.SetEventObject( this );
-    GetEventHandler()->ProcessEvent( nc_paint_event );
+    HandleWindowEvent( nc_paint_event );
 
     wxPaintEvent paint_event( GetId() );
     paint_event.SetEventObject( this );
-    GetEventHandler()->ProcessEvent( paint_event );
+    HandleWindowEvent( paint_event );
 
     m_clipPaintRegion = false;
 
@@ -3699,7 +3687,7 @@ void wxWindowGTK::DoSetToolTip( wxToolTip *tip )
 void wxWindowGTK::ApplyToolTip( GtkTooltips *tips, const wxChar *tip )
 {
     wxString tmp( tip );
-    gtk_tooltips_set_tip( tips, GetConnectWidget(), wxGTK_CONV(tmp), (gchar*) NULL );
+    gtk_tooltips_set_tip( tips, GetConnectWidget(), wxGTK_CONV(tmp), NULL );
 }
 #endif // wxUSE_TOOLTIPS
 
@@ -3710,7 +3698,7 @@ bool wxWindowGTK::SetBackgroundColour( const wxColour &colour )
     if (!wxWindowBase::SetBackgroundColour(colour))
         return false;
 
-    if (colour.Ok())
+    if (colour.IsOk())
     {
         // We need the pixel value e.g. for background clearing.
         m_backgroundColour.CalcPixel(gtk_widget_get_colormap(m_widget));
@@ -3733,7 +3721,7 @@ bool wxWindowGTK::SetForegroundColour( const wxColour &colour )
         return false;
     }
 
-    if (colour.Ok())
+    if (colour.IsOk())
     {
         // We need the pixel value e.g. for background clearing.
         m_foregroundColour.CalcPixel(gtk_widget_get_colormap(m_widget));
@@ -3750,21 +3738,21 @@ GtkRcStyle *wxWindowGTK::CreateWidgetStyle(bool forceStyle)
 {
     // do we need to apply any changes at all?
     if ( !forceStyle &&
-         !m_font.Ok() &&
-         !m_foregroundColour.Ok() && !m_backgroundColour.Ok() )
+         !m_font.IsOk() &&
+         !m_foregroundColour.IsOk() && !m_backgroundColour.IsOk() )
     {
         return NULL;
     }
 
     GtkRcStyle *style = gtk_rc_style_new();
 
-    if ( m_font.Ok() )
+    if ( m_font.IsOk() )
     {
         wxString xfontname = m_font.GetNativeFontInfo()->GetXFontName();
         style->fontset_name = g_strdup(xfontname.c_str());
     }
 
-    if ( m_foregroundColour.Ok() )
+    if ( m_foregroundColour.IsOk() )
     {
         GdkColor *fg = m_foregroundColour.GetColor();
 
@@ -3778,7 +3766,7 @@ GtkRcStyle *wxWindowGTK::CreateWidgetStyle(bool forceStyle)
         style->color_flags[GTK_STATE_ACTIVE] = GTK_RC_FG;
     }
 
-    if ( m_backgroundColour.Ok() )
+    if ( m_backgroundColour.IsOk() )
     {
         GdkColor *bg = m_backgroundColour.GetColor();
 
@@ -3833,7 +3821,7 @@ bool wxWindowGTK::SetBackgroundStyle(wxBackgroundStyle style)
 
     if (style == wxBG_STYLE_CUSTOM)
     {
-        GdkWindow *window = (GdkWindow*) NULL;
+        GdkWindow *window = NULL;
         if (m_wxwindow)
             window = GTK_PIZZA(m_wxwindow)->bin_window;
         else
@@ -3917,16 +3905,16 @@ void wxWindowGTK::DoCaptureMouse()
 {
     wxCHECK_RET( m_widget != NULL, wxT("invalid window") );
 
-    GdkWindow *window = (GdkWindow*) NULL;
+    GdkWindow *window = NULL;
     if (m_wxwindow)
         window = GTK_PIZZA(m_wxwindow)->bin_window;
     else
         window = GetConnectWidget()->window;
 
-    wxCHECK_RET( window, _T("CaptureMouse() failed") );
+    wxCHECK_RET( window, wxT("CaptureMouse() failed") );
 
     const wxCursor* cursor = &m_cursor;
-    if (!cursor->Ok())
+    if (!cursor->IsOk())
         cursor = wxSTANDARD_CURSOR;
 
     gdk_pointer_grab( window, FALSE,
@@ -3935,7 +3923,7 @@ void wxWindowGTK::DoCaptureMouse()
                           GDK_BUTTON_RELEASE_MASK |
                           GDK_POINTER_MOTION_HINT_MASK |
                           GDK_POINTER_MOTION_MASK),
-                      (GdkWindow *) NULL,
+                      NULL,
                       cursor->GetCursor(),
                       (guint32)GDK_CURRENT_TIME );
     g_captureWindow = this;
@@ -3948,9 +3936,9 @@ void wxWindowGTK::DoReleaseMouse()
 
     wxCHECK_RET( g_captureWindow, wxT("can't release mouse - not captured") );
 
-    g_captureWindow = (wxWindowGTK*) NULL;
+    g_captureWindow = NULL;
 
-    GdkWindow *window = (GdkWindow*) NULL;
+    GdkWindow *window = NULL;
     if (m_wxwindow)
         window = GTK_PIZZA(m_wxwindow)->bin_window;
     else