added alpha channel support

[wxWidgets.git] / src / gtk1 / window.cpp

diff --git a/src/gtk1/window.cpp b/src/gtk1/window.cpp
index 303cad80ea97d3237a9512a7077302e3040bedcd..a461e3b7e889eb862560e142e1ea9d34c47e4649 100644 (file)
--- a/src/gtk1/window.cpp
+++ b/src/gtk1/window.cpp
@@ -95,7 +95,7 @@ extern GtkContainerClass *pizza_parent_class;
 
 /*
    I have been asked several times about writing some documentation about
 
 /*
    I have been asked several times about writing some documentation about

-   the GTK port of wxWindows, especially its internal structures. Obviously,
+   the GTK port of wxWidgets, especially its internal structures. Obviously,

    you cannot understand wxGTK without knowing a little about the GTK, but
    some more information about what the wxWindow, which is the base class
    for all other window classes, does seems required as well.
    you cannot understand wxGTK without knowing a little about the GTK, but
    some more information about what the wxWindow, which is the base class
    for all other window classes, does seems required as well.


@@ -129,14 +129,14 @@ extern GtkContainerClass *pizza_parent_class;
 
    6) Display a border (sunken, raised, simple or none).
 
 
    6) Display a border (sunken, raised, simple or none).
 

-   Normally one might expect, that one wxWindows window would always correspond
+   Normally one might expect, that one wxWidgets window would always correspond

    to one GTK widget. Under GTK, there is no such allround widget that has all
    the functionality. Moreover, the GTK defines a client area as a different
    widget from the actual widget you are handling. Last but not least some
    special classes (e.g. wxFrame) handle different categories of widgets and
    still have the possibility to draw something in the client area.
    It was therefore required to write a special purpose GTK widget, that would
    to one GTK widget. Under GTK, there is no such allround widget that has all
    the functionality. Moreover, the GTK defines a client area as a different
    widget from the actual widget you are handling. Last but not least some
    special classes (e.g. wxFrame) handle different categories of widgets and
    still have the possibility to draw something in the client area.
    It was therefore required to write a special purpose GTK widget, that would

-   represent a client area in the sense of wxWindows capable to do the jobs
+   represent a client area in the sense of wxWidgets capable to do the jobs

    2), 3) and 4). I have written this class and it resides in win_gtk.c of
    this directory.
 
    2), 3) and 4). I have written this class and it resides in win_gtk.c of
    this directory.
 


@@ -145,7 +145,7 @@ extern GtkContainerClass *pizza_parent_class;
    thw wxWindow class has a member variable called m_widget which holds a
    pointer to this widget. When the window class represents a GTK native widget,
    this is (in most cases) the only GTK widget the class manages. E.g. the
    thw wxWindow class has a member variable called m_widget which holds a
    pointer to this widget. When the window class represents a GTK native widget,
    this is (in most cases) the only GTK widget the class manages. E.g. the

-   wxStatitText class handles only a GtkLabel widget a pointer to which you
+   wxStaticText class handles only a GtkLabel widget a pointer to which you

    can find in m_widget (defined in wxWindow)
 
    When the class has a client area for drawing into and for containing children
    can find in m_widget (defined in wxWindow)
 
    When the class has a client area for drawing into and for containing children


@@ -165,18 +165,18 @@ extern GtkContainerClass *pizza_parent_class;
    one is (in the GTK sense) a child of the GtkScrolledWindow.
 
    If the m_wxwindow field is set, then all input to this widget is inter-
    one is (in the GTK sense) a child of the GtkScrolledWindow.
 
    If the m_wxwindow field is set, then all input to this widget is inter-

-   cepted and sent to the wxWindows class. If not, all input to the widget
+   cepted and sent to the wxWidgets class. If not, all input to the widget

    that gets pointed to by m_widget gets intercepted and sent to the class.
 
    II)
 
    that gets pointed to by m_widget gets intercepted and sent to the class.
 
    II)
 

-   The design of scrolling in wxWindows is markedly different from that offered
+   The design of scrolling in wxWidgets is markedly different from that offered

    by the GTK itself and therefore we cannot simply take it as it is. In GTK,
    clicking on a scrollbar belonging to scrolled window will inevitably move
    by the GTK itself and therefore we cannot simply take it as it is. In GTK,
    clicking on a scrollbar belonging to scrolled window will inevitably move

-   the window. In wxWindows, the scrollbar will only emit an event, send this
+   the window. In wxWidgets, the scrollbar will only emit an event, send this

    to (normally) a wxScrolledWindow and that class will call ScrollWindow()
    which actually moves the window and its subchildren. Note that GtkPizza
    to (normally) a wxScrolledWindow and that class will call ScrollWindow()
    which actually moves the window and its subchildren. Note that GtkPizza

-   memorizes how much it has been scrolled but that wxWindows forgets this
+   memorizes how much it has been scrolled but that wxWidgets forgets this

    so that the two coordinates systems have to be kept in synch. This is done
    in various places using the pizza->xoffset and pizza->yoffset values.
 
    so that the two coordinates systems have to be kept in synch. This is done
    in various places using the pizza->xoffset and pizza->yoffset values.
 


@@ -267,10 +267,6 @@ extern bool g_mainThreadLocked;
 // debug
 //-----------------------------------------------------------------------------
 
 // debug
 //-----------------------------------------------------------------------------
 

-#ifndef __WXGTK20__
-#define DISABLE_STYLE_IF_BROKEN_THEME 0
-#endif
-

 #ifdef __WXDEBUG__
 
 #if wxUSE_THREADS
 #ifdef __WXDEBUG__
 
 #if wxUSE_THREADS


@@ -969,6 +965,30 @@ static inline bool wxIsAsciiKeysym(KeySym ks)
     return ks < 256;
 }
 
     return ks < 256;
 }
 

+static void wxFillOtherKeyEventFields(wxKeyEvent& event,
+                                      wxWindowGTK *win,
+                                      GdkEventKey *gdk_event)
+{
+    int x = 0;
+    int y = 0;
+    GdkModifierType state;
+    if (gdk_event->window)
+        gdk_window_get_pointer(gdk_event->window, &x, &y, &state);
+
+    event.SetTimestamp( gdk_event->time );
+    event.m_shiftDown = (gdk_event->state & GDK_SHIFT_MASK) != 0;
+    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;
+    event.m_x = x;
+    event.m_y = y;
+    event.SetEventObject( win );
+}
+
+

 static bool
 wxTranslateGTKKeyEventToWx(wxKeyEvent& event,
                            wxWindowGTK *win,
 static bool
 wxTranslateGTKKeyEventToWx(wxKeyEvent& event,
                            wxWindowGTK *win,


@@ -1064,29 +1084,32 @@ wxTranslateGTKKeyEventToWx(wxKeyEvent& event,
         return FALSE;
 
     // now fill all the other fields
         return FALSE;
 
     // now fill all the other fields

-    int x = 0;
-    int y = 0;
-    GdkModifierType state;
-    if (gdk_event->window)
-        gdk_window_get_pointer(gdk_event->window, &x, &y, &state);
-
-    event.SetTimestamp( gdk_event->time );
-    event.m_shiftDown = (gdk_event->state & GDK_SHIFT_MASK) != 0;
-    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;
+    wxFillOtherKeyEventFields(event, win, gdk_event);
+    

     event.m_keyCode = key_code;
     event.m_keyCode = key_code;

-    event.m_scanCode = gdk_event->keyval;
-    event.m_rawCode = (wxUint32) gdk_event->keyval;
-    event.m_rawFlags = 0;
-    event.m_x = x;
-    event.m_y = y;
-    event.SetEventObject( win );

 
     return TRUE;
 }
 
 
 
     return TRUE;
 }
 
 

+#ifdef __WXGTK20__
+struct wxGtkIMData
+{
+    GtkIMContext *context;
+    GdkEventKey  *lastKeyEvent;
+
+    wxGtkIMData()
+    {
+        context = gtk_im_multicontext_new();
+        lastKeyEvent = NULL;
+    }
+    ~wxGtkIMData()
+    {
+        g_object_unref(context);
+    }
+};
+#endif
+

 static gint gtk_window_key_press_callback( GtkWidget *widget,
                                            GdkEventKey *gdk_event,
                                            wxWindow *win )
 static gint gtk_window_key_press_callback( GtkWidget *widget,
                                            GdkEventKey *gdk_event,
                                            wxWindow *win )


@@ -1100,12 +1123,43 @@ static gint gtk_window_key_press_callback( GtkWidget *widget,
         return FALSE;
     if (g_blockEventsOnDrag)
         return FALSE;
         return FALSE;
     if (g_blockEventsOnDrag)
         return FALSE;

-
-
+    
+#ifdef __WXGTK20__
+    // We have to pass key press events through GTK+'s Input Method context
+    // object in order to get correct characters. By doing so, we loose the
+    // ability to let other GTK+'s handlers (namely, widgets' default signal
+    // handlers) handle the signal by returning false from this callback.
+    // Because GTK+ sends the events to parent widgets as well, we can't
+    // afford loosing it, otherwise native widgets inserted into wxPanel
+    // would break in subtle ways (e.g. spacebar would no longer toggle
+    // wxCheckButton's state). Therefore, we only pass the event to IM if it
+    // originated in this window's widget, which we detect by checking if we've
+    // seen the same event before (no events from children are lost this way,
+    // because gtk_window_key_press_callback is installed for native controls
+    // as well and the wxKeyEvent it creates propagates upwards).
+    static GdkEventKey s_lastEvent;
+    
+    bool useIM = (win->m_imData != NULL) &&
+                 memcmp(gdk_event, &s_lastEvent, sizeof(GdkEventKey)) != 0;
+    
+    s_lastEvent = *gdk_event;
+#endif
+    

     wxKeyEvent event( wxEVT_KEY_DOWN );
     if ( !wxTranslateGTKKeyEventToWx(event, win, gdk_event) )
     {
         // unknown key pressed, ignore (the event would be useless anyhow)
     wxKeyEvent event( wxEVT_KEY_DOWN );
     if ( !wxTranslateGTKKeyEventToWx(event, win, gdk_event) )
     {
         // unknown key pressed, ignore (the event would be useless anyhow)

+#ifdef __WXGTK20__
+        if ( useIM )
+        {
+            // it may be useful for the input method, though:
+            win->m_imData->lastKeyEvent = gdk_event;
+            bool ret = gtk_im_context_filter_keypress(win->m_imData->context,
+                                                      gdk_event);
+            win->m_imData->lastKeyEvent = NULL;
+            return ret;
+        }
+#endif

         return FALSE;
     }
 
         return FALSE;
     }
 


@@ -1136,58 +1190,63 @@ static gint gtk_window_key_press_callback( GtkWidget *widget,
     // will only be sent if it is not in an accelerator table.
     if (!ret)
     {
     // will only be sent if it is not in an accelerator table.
     if (!ret)
     {

-        long key_code;
-        KeySym keysym = gdk_event->keyval;

 #ifdef __WXGTK20__
 #ifdef __WXGTK20__

-        // In GTK 2.0, we need to hand over the key event to an input method
-        // and the IM will emit a "commit" event containing the actual utf8
-        // character.  In that case the EVT_CHAR events will be sent from
-        // there.  But only do it this way for non-KeySym keys.
-        key_code = wxTranslateKeySymToWXKey(gdk_event->keyval, FALSE /* isChar */);
-        if ( !key_code && win->m_imContext )
+        if (useIM)

         {
         {

-            gtk_im_context_filter_keypress ( (GtkIMContext*) win->m_imContext, gdk_event );
-            ret = TRUE;
+            // In GTK 2.0, we need to hand over the key event to an input method
+            // and the IM will emit a "commit" event containing the actual utf8
+            // character.  In that case the EVT_CHAR events will be sent from
+            // there.
+            win->m_imData->lastKeyEvent = gdk_event;
+            if ( gtk_im_context_filter_keypress(win->m_imData->context,
+                                                gdk_event) )
+            {
+                win->m_imData->lastKeyEvent = NULL;
+                wxLogTrace(TRACE_KEYS, _T("Key event intercepted by IM"));
+                return TRUE;
+            }
+            else
+                win->m_imData->lastKeyEvent = NULL;

         }
         }

-        else

 #endif
 #endif

+
+        long key_code;
+        KeySym keysym = gdk_event->keyval;
+        // Find key code for EVT_CHAR and EVT_CHAR_HOOK events
+        key_code = wxTranslateKeySymToWXKey(keysym, TRUE /* isChar */);
+        if ( !key_code )

         {
         {

-            // Find key code for EVT_CHAR and EVT_CHAR_HOOK events
-            key_code = wxTranslateKeySymToWXKey(keysym, TRUE /* isChar */);
-            if ( !key_code )
+            if ( gdk_event->length == 1 )

             {
             {

-                if ( gdk_event->length == 1 )
-                {
-                    key_code = (unsigned char)gdk_event->string[0];
-                }
-                else if ( wxIsAsciiKeysym(keysym) )
-                {
-                    // ASCII key
-                    key_code = (unsigned char)keysym;
-                }
+                key_code = (unsigned char)gdk_event->string[0];

             }
             }

-
-            if ( key_code )
+            else if ( wxIsAsciiKeysym(keysym) )

             {
             {

-                wxLogTrace(TRACE_KEYS, _T("Char event: %ld"), key_code);
+                // ASCII key
+                key_code = (unsigned char)keysym;
+            }
+        }

 
 

-                event.m_keyCode = key_code;
+        if ( key_code )
+        {
+            wxLogTrace(TRACE_KEYS, _T("Char event: %ld"), key_code);

 
 

-                // Implement OnCharHook by checking ancesteror top level windows
-                wxWindow *parent = win;
-                while (parent && !parent->IsTopLevel())
-                    parent = parent->GetParent();
-                if (parent)
-                {
-                    event.SetEventType( wxEVT_CHAR_HOOK );
-                    ret = parent->GetEventHandler()->ProcessEvent( event );
-                }
+            event.m_keyCode = key_code;

 
 

-                if (!ret)
-                {
-                    event.SetEventType(wxEVT_CHAR);
-                    ret = win->GetEventHandler()->ProcessEvent( event );
-                }
+            // Implement OnCharHook by checking ancesteror top level windows
+            wxWindow *parent = win;
+            while (parent && !parent->IsTopLevel())
+                parent = parent->GetParent();
+            if (parent)
+            {
+                event.SetEventType( wxEVT_CHAR_HOOK );
+                ret = parent->GetEventHandler()->ProcessEvent( event );
+            }
+
+            if (!ret)
+            {
+                event.SetEventType(wxEVT_CHAR);
+                ret = win->GetEventHandler()->ProcessEvent( event );

             }
         }
     }
             }
         }
     }


@@ -1198,9 +1257,12 @@ static gint gtk_window_key_press_callback( GtkWidget *widget,
 // VZ: testing for wxTE_PROCESS_TAB shouldn't be done here the control may
 //     have this style, yet choose not to process this particular TAB in which
 //     case TAB must still work as a navigational character
 // VZ: testing for wxTE_PROCESS_TAB shouldn't be done here the control may
 //     have this style, yet choose not to process this particular TAB in which
 //     case TAB must still work as a navigational character

-#if 0
-         !win->HasFlag(wxTE_PROCESS_TAB) &&
-#endif // 0
+// JS: enabling again to make consistent with other platforms
+//     (with wxTE_PROCESS_TAB you have to call Navigate to get default
+//     navigation behaviour)
+#if wxUSE_TEXTCTRL
+         (! (win->HasFlag(wxTE_PROCESS_TAB) && win->IsKindOf(CLASSINFO(wxTextCtrl)) )) &&
+#endif

          win->GetParent() && (win->GetParent()->HasFlag( wxTAB_TRAVERSAL)) )
     {
         wxNavigationKeyEvent new_event;
          win->GetParent() && (win->GetParent()->HasFlag( wxTAB_TRAVERSAL)) )
     {
         wxNavigationKeyEvent new_event;


@@ -1264,28 +1326,37 @@ static void gtk_wxwindow_commit_cb (GtkIMContext *context,
                            const gchar  *str,
                            wxWindow     *window)
 {
                            const gchar  *str,
                            wxWindow     *window)
 {

-    bool ret = FALSE;
-

     wxKeyEvent event( wxEVT_KEY_DOWN );
 
     wxKeyEvent event( wxEVT_KEY_DOWN );
 

+    // take modifiers, cursor position, timestamp etc. from the last
+    // key_press_event that was fed into Input Method:
+    if (window->m_imData->lastKeyEvent)
+    {
+        wxFillOtherKeyEventFields(event,
+                                  window, window->m_imData->lastKeyEvent);
+    }
+

 #if wxUSE_UNICODE
     event.m_uniChar = g_utf8_get_char( str );
 
     // Backward compatible for ISO-8859
     if (event.m_uniChar < 256)
         event.m_keyCode = event.m_uniChar;
 #if wxUSE_UNICODE
     event.m_uniChar = g_utf8_get_char( str );
 
     // Backward compatible for ISO-8859
     if (event.m_uniChar < 256)
         event.m_keyCode = event.m_uniChar;

+    wxLogTrace(TRACE_KEYS, _T("IM sent character '%c'"), event.m_uniChar);

 #else
 #else

-    gunichar uniChar = g_utf8_get_char( str );
-    // We cannot handle Unicode in non-Unicode mode
-    if (uniChar > 255) return;
-
-    event.m_keyCode = uniChar;
-#endif
-
-
-    // TODO:  We still need to set all the extra attributes of the
-    //        event, modifiers and such...
+    wchar_t unistr[2];
+    unistr[0] = g_utf8_get_char(str);
+    unistr[1] = 0;
+    wxCharBuffer ansistr(wxConvLocal.cWC2MB(unistr));
+    // We cannot handle characters that cannot be represented in 
+    // current locale's charset in non-Unicode mode:
+    if (ansistr.data() == NULL)
+        return;
+    event.m_keyCode = ansistr[0u];
+    wxLogTrace(TRACE_KEYS, _T("IM sent character '%c'"), (wxChar)event.m_keyCode);
+#endif // wxUSE_UNICODE

 
 

+    bool ret = false;

 
     // Implement OnCharHook by checking ancestor top level windows
     wxWindow *parent = window;
 
     // Implement OnCharHook by checking ancestor top level windows
     wxWindow *parent = window;


@@ -1347,38 +1418,37 @@ static gint gtk_window_key_release_callback( GtkWidget *widget,
 // mouse event processing helpers
 // ----------------------------------------------------------------------------
 
 // mouse event processing helpers
 // ----------------------------------------------------------------------------
 

-// init wxMouseEvent with the info from gdk_event
-//
-// NB: this has to be a macro as gdk_event type is different for different
-//     events we're used with
-#define InitMouseEvent(/* wxWindowGTK * */ win,                               \
-                       /* wxMouseEvent& */ event,                             \
-                       /* GdkEventXXX * */ gdk_event)                         \
-{                                                                             \
-    event.SetTimestamp( gdk_event->time );                                    \
-    event.m_shiftDown = (gdk_event->state & GDK_SHIFT_MASK);                  \
-    event.m_controlDown = (gdk_event->state & GDK_CONTROL_MASK);              \
-    event.m_altDown = (gdk_event->state & GDK_MOD1_MASK);                     \
-    event.m_metaDown = (gdk_event->state & GDK_MOD2_MASK);                    \
-    event.m_leftDown = (gdk_event->state & GDK_BUTTON1_MASK);                 \
-    event.m_middleDown = (gdk_event->state & GDK_BUTTON2_MASK);               \
-    event.m_rightDown = (gdk_event->state & GDK_BUTTON3_MASK);                \
-    if (event.GetEventType()==wxEVT_MOUSEWHEEL)                               \
-    {                                                                         \
-       if (((GdkEventButton*)gdk_event)->button == 4)                         \
-           event.m_wheelRotation = 120;                                       \
-       else if (((GdkEventButton*)gdk_event)->button == 5)                    \
-           event.m_wheelRotation = -120;                                      \
-    }                                                                         \
-                                                                              \
-    wxPoint pt = win->GetClientAreaOrigin();                                  \
-    event.m_x = (wxCoord)gdk_event->x - pt.x;                                 \
-    event.m_y = (wxCoord)gdk_event->y - pt.y;                                 \
-                                                                              \
-    event.SetEventObject( win );                                              \
-    event.SetId( win->GetId() );                                              \
-    event.SetTimestamp( gdk_event->time );                                    \
-}                                                                             \
+// init wxMouseEvent with the info from GdkEventXXX struct
+template<typename T> void InitMouseEvent(wxWindowGTK *win,
+                                         wxMouseEvent& event,
+                                         T *gdk_event)
+{
+    event.SetTimestamp( gdk_event->time );
+    event.m_shiftDown = (gdk_event->state & GDK_SHIFT_MASK);
+    event.m_controlDown = (gdk_event->state & GDK_CONTROL_MASK);
+    event.m_altDown = (gdk_event->state & GDK_MOD1_MASK);
+    event.m_metaDown = (gdk_event->state & GDK_MOD2_MASK);
+    event.m_leftDown = (gdk_event->state & GDK_BUTTON1_MASK);
+    event.m_middleDown = (gdk_event->state & GDK_BUTTON2_MASK);
+    event.m_rightDown = (gdk_event->state & GDK_BUTTON3_MASK);
+    if (event.GetEventType() == wxEVT_MOUSEWHEEL)
+    {
+       event.m_linesPerAction = 3;
+       event.m_wheelDelta = 120;
+       if (((GdkEventButton*)gdk_event)->button == 4)
+           event.m_wheelRotation = 120;
+       else if (((GdkEventButton*)gdk_event)->button == 5)
+           event.m_wheelRotation = -120;
+    }
+
+    wxPoint pt = win->GetClientAreaOrigin();
+    event.m_x = (wxCoord)gdk_event->x - pt.x;
+    event.m_y = (wxCoord)gdk_event->y - pt.y;
+
+    event.SetEventObject( win );
+    event.SetId( win->GetId() );
+    event.SetTimestamp( gdk_event->time );
+}

 
 static void AdjustEventButtonState(wxMouseEvent& event)
 {
 
 static void AdjustEventButtonState(wxMouseEvent& event)
 {


@@ -1537,48 +1607,84 @@ static gint gtk_window_button_press_callback( GtkWidget *widget,
 
     wxEventType event_type = wxEVT_NULL;
 
 
     wxEventType event_type = wxEVT_NULL;
 

+    // GdkDisplay is a GTK+ 2.2.0 thing
+#if defined(__WXGTK20__) && GTK_CHECK_VERSION(2, 2, 0)
+    if ( gdk_event->type == GDK_2BUTTON_PRESS &&
+            gdk_event->button >= 1 && gdk_event->button <= 3 )
+    {
+        // Reset GDK internal timestamp variables in order to disable GDK
+        // triple click events. GDK will then next time believe no button has
+        // been clicked just before, and send a normal button click event.
+        GdkDisplay* display = gtk_widget_get_display (widget);
+        display->button_click_time[1] = 0;
+        display->button_click_time[0] = 0;
+    }
+#endif // GTK 2+
+

     if (gdk_event->button == 1)
     {
     if (gdk_event->button == 1)
     {

+        // note that GDK generates triple click events which are not supported
+        // by wxWidgets but still have to be passed to the app as otherwise
+        // clicks would simply go missing

         switch (gdk_event->type)
         {
         switch (gdk_event->type)
         {

-            case GDK_BUTTON_PRESS: event_type = wxEVT_LEFT_DOWN; break;
-            case GDK_2BUTTON_PRESS: event_type = wxEVT_LEFT_DCLICK; break;
-            case GDK_3BUTTON_PRESS: return FALSE;
-            default:  break;
+            // we shouldn't get triple clicks at all for GTK2 because we
+            // suppress them artificially using the code above but we still
+            // should map them to something for GTK1 and not just ignore them
+            // as this would lose clicks
+            case GDK_3BUTTON_PRESS:     // we could also map this to DCLICK...
+            case GDK_BUTTON_PRESS:
+                event_type = wxEVT_LEFT_DOWN;
+                break;
+
+            case GDK_2BUTTON_PRESS:
+                event_type = wxEVT_LEFT_DCLICK;
+                break;
+
+            default:
+                // just to silence gcc warnings
+                ;

         }
     }
     else if (gdk_event->button == 2)
     {
         switch (gdk_event->type)
         {
         }
     }
     else if (gdk_event->button == 2)
     {
         switch (gdk_event->type)
         {

-            case GDK_BUTTON_PRESS: event_type = wxEVT_MIDDLE_DOWN; break;
-            case GDK_2BUTTON_PRESS: event_type = wxEVT_MIDDLE_DCLICK; break;
-            default:  break;
+            case GDK_3BUTTON_PRESS:
+            case GDK_BUTTON_PRESS:
+                event_type = wxEVT_MIDDLE_DOWN;
+                break;
+
+            case GDK_2BUTTON_PRESS:
+                event_type = wxEVT_MIDDLE_DCLICK;
+                break;
+
+            default:
+                ;

         }
     }
     else if (gdk_event->button == 3)
     {
         switch (gdk_event->type)
         {
         }
     }
     else if (gdk_event->button == 3)
     {
         switch (gdk_event->type)
         {

-            case GDK_BUTTON_PRESS: event_type = wxEVT_RIGHT_DOWN; break;
-            case GDK_2BUTTON_PRESS: event_type = wxEVT_RIGHT_DCLICK; break;
-            default:  break;
-        }
-    }
-    else if (gdk_event->button == 4)
-    {
-        switch (gdk_event->type)
-        {
-            case GDK_BUTTON_PRESS: event_type = wxEVT_MOUSEWHEEL; break;
-            default:  break;
+            case GDK_3BUTTON_PRESS:
+            case GDK_BUTTON_PRESS:
+                event_type = wxEVT_RIGHT_DOWN;
+                break;
+
+            case GDK_2BUTTON_PRESS:
+                event_type = wxEVT_RIGHT_DCLICK;
+                break;
+
+            default:
+                ;

         }
     }
         }
     }

-    else if (gdk_event->button == 5)
+    else if (gdk_event->button == 4 || gdk_event->button == 5)

     {
     {

-        switch (gdk_event->type)
+        if (gdk_event->type == GDK_BUTTON_PRESS )

         {
         {

-            case GDK_BUTTON_PRESS: event_type = wxEVT_MOUSEWHEEL; break;
-            default:  break;
+            event_type = wxEVT_MOUSEWHEEL;

         }
     }
 
         }
     }
 


@@ -1597,6 +1703,21 @@ static gint gtk_window_button_press_callback( GtkWidget *widget,
     // a chance to correct this
     win->FixUpMouseEvent(widget, event.m_x, event.m_y);
 
     // a chance to correct this
     win->FixUpMouseEvent(widget, event.m_x, event.m_y);
 

+    if ( event_type == wxEVT_RIGHT_DOWN )
+    {
+        // generate a "context menu" event: this is similar to right mouse
+        // click under many GUIs except that it is generated differently
+        // (right up under MSW, ctrl-click under Mac, right down here) and
+        //
+        // (a) it's a command event and so is propagated to the parent
+        // (b) under MSW it can be generated from kbd too
+        // (c) it uses screen coords (because of (a))
+        wxContextMenuEvent evtCtx(wxEVT_CONTEXT_MENU,
+                                  win->GetId(),
+                                  win->ClientToScreen(event.GetPosition()));
+        (void)win->GetEventHandler()->ProcessEvent(evtCtx);
+    }
+

     // find the correct window to send the event too: it may be a different one
     // from the one which got it at GTK+ level because some control don't have
     // their own X window and thus cannot get any events.
     // find the correct window to send the event too: it may be a different one
     // from the one which got it at GTK+ level because some control don't have
     // their own X window and thus cannot get any events.


@@ -1605,13 +1726,6 @@ static gint gtk_window_button_press_callback( GtkWidget *widget,
 
     gs_timeLastClick = gdk_event->time;
 
 
     gs_timeLastClick = gdk_event->time;
 

-/*
-    wxPrintf( wxT("2) OnButtonPress from ") );
-    if (win->GetClassInfo() && win->GetClassInfo()->GetClassName())
-        wxPrintf( win->GetClassInfo()->GetClassName() );
-    wxPrintf( wxT(".\n") );
-*/
-

 #ifndef __WXGTK20__
     if (event_type == wxEVT_LEFT_DCLICK)
     {
 #ifndef __WXGTK20__
     if (event_type == wxEVT_LEFT_DCLICK)
     {


@@ -1683,20 +1797,6 @@ static gint gtk_window_button_release_callback( GtkWidget *widget,
     // same wxListBox hack as above
     win->FixUpMouseEvent(widget, event.m_x, event.m_y);
 
     // same wxListBox hack as above
     win->FixUpMouseEvent(widget, event.m_x, event.m_y);
 

-    if ( event_type == wxEVT_RIGHT_UP )
-    {
-        // generate a "context menu" event: this is similar to wxEVT_RIGHT_UP
-        // except that:
-        //
-        // (a) it's a command event and so is propagated to the parent
-        // (b) under MSW it can be generated from kbd too
-        // (c) it uses screen coords (because of (a))
-        wxContextMenuEvent evtCtx(wxEVT_CONTEXT_MENU,
-                                  win->GetId(),
-                                  win->ClientToScreen(event.GetPosition()));
-        (void)win->GetEventHandler()->ProcessEvent(evtCtx);
-    }
-

     if ( !g_captureWindow )
         win = FindWindowForMouseEvent(win, event.m_x, event.m_y);
 
     if ( !g_captureWindow )
         win = FindWindowForMouseEvent(win, event.m_x, event.m_y);
 


@@ -1815,6 +1915,8 @@ static gint gtk_window_wheel_callback (GtkWidget * widget,
     event.m_leftDown = (gdk_event->state & GDK_BUTTON1_MASK);
     event.m_middleDown = (gdk_event->state & GDK_BUTTON2_MASK);
     event.m_rightDown = (gdk_event->state & GDK_BUTTON3_MASK);
     event.m_leftDown = (gdk_event->state & GDK_BUTTON1_MASK);
     event.m_middleDown = (gdk_event->state & GDK_BUTTON2_MASK);
     event.m_rightDown = (gdk_event->state & GDK_BUTTON3_MASK);

+    event.m_linesPerAction = 3;
+    event.m_wheelDelta = 120;

     if (gdk_event->direction == GDK_SCROLL_UP)
         event.m_wheelRotation = 120;
     else
     if (gdk_event->direction == GDK_SCROLL_UP)
         event.m_wheelRotation = 120;
     else


@@ -1866,6 +1968,11 @@ static gint gtk_window_focus_in_callback( GtkWidget *widget,
     if (g_isIdle)
         wxapp_install_idle_handler();
 
     if (g_isIdle)
         wxapp_install_idle_handler();
 

+#ifdef __WXGTK20__
+    if (win->m_imData)
+        gtk_im_context_focus_in(win->m_imData->context);
+#endif
+

     if (!win->m_hasVMT) return FALSE;
     if (g_blockEventsOnDrag) return FALSE;
 
     if (!win->m_hasVMT) return FALSE;
     if (g_blockEventsOnDrag) return FALSE;
 


@@ -1954,6 +2061,11 @@ static gint gtk_window_focus_out_callback( GtkWidget *widget, GdkEventFocus *gdk
     if (g_isIdle)
         wxapp_install_idle_handler();
 
     if (g_isIdle)
         wxapp_install_idle_handler();
 

+#ifdef __WXGTK20__
+    if (win->m_imData)
+        gtk_im_context_focus_out(win->m_imData->context);
+#endif
+

     if (!win->m_hasVMT) return FALSE;
     if (g_blockEventsOnDrag) return FALSE;
 
     if (!win->m_hasVMT) return FALSE;
     if (g_blockEventsOnDrag) return FALSE;
 


@@ -2273,17 +2385,12 @@ gtk_window_realized_callback( GtkWidget *m_widget, wxWindow *win )
     if (g_isIdle)
         wxapp_install_idle_handler();
         
     if (g_isIdle)
         wxapp_install_idle_handler();
         

-    if (win->m_delayedBackgroundColour && !win->GetThemeEnabled())
-        win->GtkSetBackgroundColour( win->GetBackgroundColour() );
-
-    if (win->m_delayedForegroundColour && !win->GetThemeEnabled())
-        win->GtkSetForegroundColour( win->GetForegroundColour() );
-

 #ifdef __WXGTK20__
 #ifdef __WXGTK20__

-    if (win->m_imContext)
+    if (win->m_imData)

     {
         GtkPizza *pizza = GTK_PIZZA( m_widget );
     {
         GtkPizza *pizza = GTK_PIZZA( m_widget );

-        gtk_im_context_set_client_window( (GtkIMContext*) win->m_imContext, pizza->bin_window );
+        gtk_im_context_set_client_window( win->m_imData->context,
+                                          pizza->bin_window );

     }
 #endif
 
     }
 #endif
 


@@ -2531,7 +2638,6 @@ void wxWindowGTK::Init()
     m_oldClientHeight = 0;
 
     m_resizing = FALSE;
     m_oldClientHeight = 0;
 
     m_resizing = FALSE;

-    m_widgetStyle = (GtkStyle*) NULL;

 
     m_insertCallback = (wxInsertChildFunction) NULL;
 
 
     m_insertCallback = (wxInsertChildFunction) NULL;
 


@@ -2542,12 +2648,10 @@ void wxWindowGTK::Init()
 
     m_cursor = *wxSTANDARD_CURSOR;
 
 
     m_cursor = *wxSTANDARD_CURSOR;
 

-    m_delayedForegroundColour = FALSE;
-    m_delayedBackgroundColour = FALSE;
-

 #ifdef __WXGTK20__
 #ifdef __WXGTK20__

-    m_imContext = NULL;
+    m_imData = NULL;

     m_x11Context = NULL;
     m_x11Context = NULL;

+    m_dirtyTabOrder = false;

 #else
 #ifdef HAVE_XIM
     m_ic = (GdkIC*) NULL;
 #else
 #ifdef HAVE_XIM
     m_ic = (GdkIC*) NULL;


@@ -2589,9 +2693,6 @@ bool wxWindowGTK::Create( wxWindow *parent,
 
     m_insertCallback = wxInsertChildInWindow;
 
 
     m_insertCallback = wxInsertChildInWindow;
 

-    // always needed for background clearing
-    m_delayedBackgroundColour = TRUE;
-

     m_widget = gtk_scrolled_window_new( (GtkAdjustment *) NULL, (GtkAdjustment *) NULL );
     GTK_WIDGET_UNSET_FLAGS( m_widget, GTK_CAN_FOCUS );
 
     m_widget = gtk_scrolled_window_new( (GtkAdjustment *) NULL, (GtkAdjustment *) NULL );
     GTK_WIDGET_UNSET_FLAGS( m_widget, GTK_CAN_FOCUS );
 


@@ -2650,7 +2751,7 @@ bool wxWindowGTK::Create( wxWindow *parent,
     gtk_signal_emit_by_name( GTK_OBJECT(m_hAdjust), "changed" );
 
     // these handlers block mouse events to any window during scrolling such as
     gtk_signal_emit_by_name( GTK_OBJECT(m_hAdjust), "changed" );
 
     // these handlers block mouse events to any window during scrolling such as

-    // motion events and prevent GTK and wxWindows from fighting over where the
+    // motion events and prevent GTK and wxWidgets from fighting over where the

     // slider should be
 
     gtk_signal_connect( GTK_OBJECT(scrolledWindow->vscrollbar), "button_press_event",
     // slider should be
 
     gtk_signal_connect( GTK_OBJECT(scrolledWindow->vscrollbar), "button_press_event",


@@ -2674,17 +2775,6 @@ bool wxWindowGTK::Create( wxWindow *parent,
     gtk_signal_connect( GTK_OBJECT(m_vAdjust), "value_changed",
           (GtkSignalFunc) gtk_window_vscroll_callback, (gpointer) this );
 
     gtk_signal_connect( GTK_OBJECT(m_vAdjust), "value_changed",
           (GtkSignalFunc) gtk_window_vscroll_callback, (gpointer) this );
 

-#ifdef __WXGTK20__
-    // Create input method handler
-    m_imContext = (GtkIMMulticontext*) gtk_im_multicontext_new ();
-
-    // Cannot handle drawing preedited text yet
-    gtk_im_context_set_use_preedit( (GtkIMContext*) m_imContext, FALSE );
-
-    g_signal_connect (G_OBJECT (m_imContext), "commit",
-        G_CALLBACK (gtk_wxwindow_commit_cb), this);
-#endif
-

     gtk_widget_show( m_wxwindow );
 
     if (m_parent)
     gtk_widget_show( m_wxwindow );
 
     if (m_parent)


@@ -2694,8 +2784,6 @@ bool wxWindowGTK::Create( wxWindow *parent,
 
     PostCreation();
 
 
     PostCreation();
 

-    Show( TRUE );
-

     return TRUE;
 }
 
     return TRUE;
 }
 


@@ -2727,16 +2815,6 @@ wxWindowGTK::~wxWindowGTK()
         gdk_ic_attr_destroy (m_icattr);
 #endif
 
         gdk_ic_attr_destroy (m_icattr);
 #endif
 

-    if (m_widgetStyle)
-    {
-#if DISABLE_STYLE_IF_BROKEN_THEME
-        // don't delete if it's a pixmap theme style
-        if (!m_widgetStyle->engine_data)
-            gtk_style_unref( m_widgetStyle );
-#endif
-        m_widgetStyle = (GtkStyle*) NULL;
-    }
-

     if (m_wxwindow)
     {
         gtk_widget_destroy( m_wxwindow );
     if (m_wxwindow)
     {
         gtk_widget_destroy( m_wxwindow );


@@ -2748,37 +2826,24 @@ wxWindowGTK::~wxWindowGTK()
         gtk_widget_destroy( m_widget );
         m_widget = (GtkWidget*) NULL;
     }
         gtk_widget_destroy( m_widget );
         m_widget = (GtkWidget*) NULL;
     }

+
+#ifdef __WXGTK20__
+    delete m_imData;
+#endif

 }
 
 bool wxWindowGTK::PreCreation( wxWindowGTK *parent, const wxPoint &pos,  const wxSize &size )
 {
     wxCHECK_MSG( !m_needParent || parent, FALSE, wxT("Need complete parent.") );
 
 }
 
 bool wxWindowGTK::PreCreation( wxWindowGTK *parent, const wxPoint &pos,  const wxSize &size )
 {
     wxCHECK_MSG( !m_needParent || parent, FALSE, wxT("Need complete parent.") );
 

-    // This turns -1 into 30 so that a minimal window is
-    // visible even although -1,-1 has been given as the
-    // size of the window. the same trick is used in other
-    // ports and should make debugging easier.
+    // Use either the given size, or the default if -1 is given.
+    // See wxWindowBase for these functions.

     m_width = WidthDefault(size.x) ;
     m_height = HeightDefault(size.y);
 
     m_x = (int)pos.x;
     m_y = (int)pos.y;
 
     m_width = WidthDefault(size.x) ;
     m_height = HeightDefault(size.y);
 
     m_x = (int)pos.x;
     m_y = (int)pos.y;
 

-    // some reasonable defaults
-    if (!parent)
-    {
-        if (m_x == -1)
-        {
-            m_x = (gdk_screen_width () - m_width) / 2;
-            if (m_x < 10) m_x = 10;
-        }
-        if (m_y == -1)
-        {
-            m_y = (gdk_screen_height () - m_height) / 2;
-            if (m_y < 10) m_y = 10;
-        }
-    }
-

     return TRUE;
 }
 
     return TRUE;
 }
 


@@ -2790,7 +2855,7 @@ void wxWindowGTK::PostCreation()
     {
         if (!m_noExpose)
         {
     {
         if (!m_noExpose)
         {

-            // these get reported to wxWindows -> wxPaintEvent
+            // these get reported to wxWidgets -> wxPaintEvent

 
             gtk_pizza_set_external( GTK_PIZZA(m_wxwindow), TRUE );
 
 
             gtk_pizza_set_external( GTK_PIZZA(m_wxwindow), TRUE );
 


@@ -2809,18 +2874,18 @@ void wxWindowGTK::PostCreation()
 #else
             // gtk_widget_set_redraw_on_allocate( GTK_WIDGET(m_wxwindow), !HasFlag( wxFULL_REPAINT_ON_RESIZE ) );
 #endif
 #else
             // gtk_widget_set_redraw_on_allocate( GTK_WIDGET(m_wxwindow), !HasFlag( wxFULL_REPAINT_ON_RESIZE ) );
 #endif

+        }

 
 #ifdef __WXGTK20__
         // Create input method handler
 
 #ifdef __WXGTK20__
         // Create input method handler

-        m_imContext = (GtkIMMulticontext*) gtk_im_multicontext_new ();
+        m_imData = new wxGtkIMData;

 
         // Cannot handle drawing preedited text yet
 
         // Cannot handle drawing preedited text yet

-        gtk_im_context_set_use_preedit( (GtkIMContext*) m_imContext, FALSE );
+        gtk_im_context_set_use_preedit( m_imData->context, FALSE );

 
 

-        g_signal_connect (G_OBJECT (m_imContext), "commit",
-            G_CALLBACK (gtk_wxwindow_commit_cb), this);
+        g_signal_connect (G_OBJECT (m_imData->context), "commit",
+                          G_CALLBACK (gtk_wxwindow_commit_cb), this);

 #endif
 #endif

-        }

 
         // these are called when the "sunken" or "raised" borders are drawn
         gtk_signal_connect( GTK_OBJECT(m_widget), "expose_event",
 
         // these are called when the "sunken" or "raised" borders are drawn
         gtk_signal_connect( GTK_OBJECT(m_widget), "expose_event",


@@ -2881,7 +2946,14 @@ void wxWindowGTK::PostCreation()
                             (gpointer) this );
     }
 
                             (gpointer) this );
     }
 

+    InheritAttributes();
+

     m_hasVMT = TRUE;
     m_hasVMT = TRUE;

+
+    // unless the window was created initially hidden (i.e. Hide() had been
+    // called before Create()), we should show it at GTK+ level as well
+    if ( IsShown() )
+        gtk_widget_show( m_widget );

 }
 
 void wxWindowGTK::ConnectWidget( GtkWidget *widget )
 }
 
 void wxWindowGTK::ConnectWidget( GtkWidget *widget )


@@ -2968,18 +3040,22 @@ void wxWindowGTK::DoSetSize( int x, int y, int width, int height, int sizeFlags
             m_x = x + pizza->xoffset;
             m_y = y + pizza->yoffset;
         }
             m_x = x + pizza->xoffset;
             m_y = y + pizza->yoffset;
         }

-        if (width != -1) m_width = width;
-        if (height != -1) m_height = height;

 
 

-        if ((sizeFlags & wxSIZE_AUTO_WIDTH) == wxSIZE_AUTO_WIDTH)
+        // calculate the best size if we should auto size the window
+        if ( ((sizeFlags & wxSIZE_AUTO_WIDTH) && width == -1) ||
+                ((sizeFlags & wxSIZE_AUTO_HEIGHT) && height == -1) )

         {
         {

-             if (width == -1) m_width = 80;
+            const wxSize sizeBest = GetBestSize();
+            if ( (sizeFlags & wxSIZE_AUTO_WIDTH) && width == -1 )
+                width = sizeBest.x;
+            if ( (sizeFlags & wxSIZE_AUTO_HEIGHT) && height == -1 )
+                height = sizeBest.y;

         }
 
         }
 

-        if ((sizeFlags & wxSIZE_AUTO_HEIGHT) == wxSIZE_AUTO_HEIGHT)
-        {
-             if (height == -1) m_height = 26;
-        }
+        if (width != -1)
+            m_width = width;
+        if (height != -1)
+            m_height = height;

 
         int minWidth = GetMinWidth(),
             minHeight = GetMinHeight(),
 
         int minWidth = GetMinWidth(),
             minHeight = GetMinHeight(),


@@ -3039,6 +3115,11 @@ void wxWindowGTK::DoSetSize( int x, int y, int width, int height, int sizeFlags
 
 void wxWindowGTK::OnInternalIdle()
 {
 
 void wxWindowGTK::OnInternalIdle()
 {

+#ifdef __WXGTK20__
+    if ( m_dirtyTabOrder )
+        RealizeTabOrder();
+#endif
+

     // Update invalidated regions.
     GtkUpdate();
 
     // Update invalidated regions.
     GtkUpdate();
 


@@ -3385,7 +3466,8 @@ int wxWindowGTK::GetCharHeight() const
 {
     wxCHECK_MSG( (m_widget != NULL), 12, wxT("invalid window") );
 
 {
     wxCHECK_MSG( (m_widget != NULL), 12, wxT("invalid window") );
 

-    wxCHECK_MSG( m_font.Ok(), 12, wxT("invalid font") );
+    wxFont font = GetFont();
+    wxCHECK_MSG( font.Ok(), 12, wxT("invalid font") );

 
 #ifdef __WXGTK20__
     PangoContext *context = NULL;
 
 #ifdef __WXGTK20__
     PangoContext *context = NULL;


@@ -3395,7 +3477,7 @@ int wxWindowGTK::GetCharHeight() const
     if (!context)
         return 0;
 
     if (!context)
         return 0;
 

-    PangoFontDescription *desc = m_font.GetNativeFontInfo()->description;
+    PangoFontDescription *desc = font.GetNativeFontInfo()->description;

     PangoLayout *layout = pango_layout_new(context);
     pango_layout_set_font_description(layout, desc);
     pango_layout_set_text(layout, "H", 1);
     PangoLayout *layout = pango_layout_new(context);
     pango_layout_set_font_description(layout, desc);
     pango_layout_set_text(layout, "H", 1);


@@ -3406,11 +3488,11 @@ int wxWindowGTK::GetCharHeight() const
 
     g_object_unref( G_OBJECT( layout ) );
 
 
     g_object_unref( G_OBJECT( layout ) );
 

-    return (int) (rect.height / PANGO_SCALE);
+    return (int) PANGO_PIXELS(rect.height);

 #else
 #else

-    GdkFont *font = m_font.GetInternalFont( 1.0 );
+    GdkFont *gfont = font.GetInternalFont( 1.0 );

 
 

-    return font->ascent + font->descent;
+    return gfont->ascent + gfont->descent;

 #endif
 }
 
 #endif
 }
 


@@ -3418,7 +3500,8 @@ int wxWindowGTK::GetCharWidth() const
 {
     wxCHECK_MSG( (m_widget != NULL), 8, wxT("invalid window") );
 
 {
     wxCHECK_MSG( (m_widget != NULL), 8, wxT("invalid window") );
 

-    wxCHECK_MSG( m_font.Ok(), 8, wxT("invalid font") );
+    wxFont font = GetFont();
+    wxCHECK_MSG( font.Ok(), 8, wxT("invalid font") );

 
 #ifdef __WXGTK20__
     PangoContext *context = NULL;
 
 #ifdef __WXGTK20__
     PangoContext *context = NULL;


@@ -3428,7 +3511,7 @@ int wxWindowGTK::GetCharWidth() const
     if (!context)
         return 0;
 
     if (!context)
         return 0;
 

-    PangoFontDescription *desc = m_font.GetNativeFontInfo()->description;
+    PangoFontDescription *desc = font.GetNativeFontInfo()->description;

     PangoLayout *layout = pango_layout_new(context);
     pango_layout_set_font_description(layout, desc);
     pango_layout_set_text(layout, "g", 1);
     PangoLayout *layout = pango_layout_new(context);
     pango_layout_set_font_description(layout, desc);
     pango_layout_set_text(layout, "g", 1);


@@ -3439,11 +3522,11 @@ int wxWindowGTK::GetCharWidth() const
 
     g_object_unref( G_OBJECT( layout ) );
 
 
     g_object_unref( G_OBJECT( layout ) );
 

-    return (int) (rect.width / PANGO_SCALE);
+    return (int) PANGO_PIXELS(rect.width);

 #else
 #else

-    GdkFont *font = m_font.GetInternalFont( 1.0 );
+    GdkFont *gfont = font.GetInternalFont( 1.0 );

 
 

-    return gdk_string_width( font, "g" );
+    return gdk_string_width( gfont, "g" );

 #endif
 }
 
 #endif
 }
 


@@ -3454,8 +3537,7 @@ void wxWindowGTK::GetTextExtent( const wxString& string,
                               int *externalLeading,
                               const wxFont *theFont ) const
 {
                               int *externalLeading,
                               const wxFont *theFont ) const
 {

-    wxFont fontToUse = m_font;
-    if (theFont) fontToUse = *theFont;
+    wxFont fontToUse = theFont ? *theFont : GetFont();

 
     wxCHECK_RET( fontToUse.Ok(), wxT("invalid font") );
 
 
     wxCHECK_RET( fontToUse.Ok(), wxT("invalid font") );
 


@@ -3491,17 +3573,18 @@ void wxWindowGTK::GetTextExtent( const wxString& string,
         pango_layout_set_text(layout, (const char*) data, strlen( (const char*) data ));
 #endif
     }
         pango_layout_set_text(layout, (const char*) data, strlen( (const char*) data ));
 #endif
     }

-    PangoLayoutLine *line = (PangoLayoutLine *)pango_layout_get_lines(layout)->data;

 
     PangoRectangle rect;
 
     PangoRectangle rect;

-    pango_layout_line_get_extents(line, NULL, &rect);
+    pango_layout_get_extents(layout, NULL, &rect);

 
 

-    if (x) (*x) = (wxCoord) (rect.width / PANGO_SCALE);
-    if (y) (*y) = (wxCoord) (rect.height / PANGO_SCALE);
+    if (x) (*x) = (wxCoord) PANGO_PIXELS(rect.width);
+    if (y) (*y) = (wxCoord) PANGO_PIXELS(rect.height);

     if (descent)
     {
     if (descent)
     {

-        // Do something about metrics here
-        (*descent) = 0;
+        PangoLayoutIter *iter = pango_layout_get_iter(layout);
+        int baseline = pango_layout_iter_get_baseline(iter);
+        pango_layout_iter_free(iter);
+        *descent = *y - PANGO_PIXELS(baseline);

     }
     if (externalLeading) (*externalLeading) = 0;  // ??
 
     }
     if (externalLeading) (*externalLeading) = 0;  // ??
 


@@ -3625,6 +3708,62 @@ void wxWindowGTK::DoAddChild(wxWindowGTK *child)
     (*m_insertCallback)(this, child);
 }
 
     (*m_insertCallback)(this, child);
 }
 

+#ifdef __WXGTK20__
+
+void wxWindowGTK::AddChild(wxWindowBase *child)
+{
+    wxWindowBase::AddChild(child);
+    m_dirtyTabOrder = true;
+    if (g_isIdle)
+        wxapp_install_idle_handler();
+}
+
+void wxWindowGTK::RemoveChild(wxWindowBase *child)
+{
+    wxWindowBase::RemoveChild(child);
+    m_dirtyTabOrder = true;
+    if (g_isIdle)
+        wxapp_install_idle_handler();
+}
+    
+void wxWindowGTK::DoMoveInTabOrder(wxWindow *win, MoveKind move)
+{
+    wxWindowBase::DoMoveInTabOrder(win, move);
+    m_dirtyTabOrder = true;
+    if (g_isIdle)
+        wxapp_install_idle_handler();
+}
+
+void wxWindowGTK::RealizeTabOrder()
+{
+    if (m_wxwindow)
+    {
+        if (m_children.size() > 0)
+        {
+            GList *chain = NULL;
+            
+            for (wxWindowList::const_iterator i = m_children.begin();
+                    i != m_children.end(); ++i)
+            {
+                chain = g_list_prepend(chain, (*i)->m_widget);
+            }
+            
+            chain = g_list_reverse(chain);
+            
+            gtk_container_set_focus_chain(GTK_CONTAINER(m_wxwindow), chain);
+            g_list_free(chain);
+        }
+        else
+        {
+            gtk_container_unset_focus_chain(GTK_CONTAINER(m_wxwindow));
+        }
+    }
+    
+    m_dirtyTabOrder = false;
+}
+
+#endif // __WXGTK20__
+

 void wxWindowGTK::Raise()
 {
     wxCHECK_RET( (m_widget != NULL), wxT("invalid window") );
 void wxWindowGTK::Raise()
 {
     wxCHECK_RET( (m_widget != NULL), wxT("invalid window") );


@@ -3793,11 +3932,9 @@ void wxWindowGTK::GtkSendPaintEvents()
     // Clip to paint region in wxClientDC
     m_clipPaintRegion = TRUE;
 
     // Clip to paint region in wxClientDC
     m_clipPaintRegion = TRUE;
 

-#ifndef __WXGTK20__

     // widget to draw on
     GtkPizza *pizza = GTK_PIZZA (m_wxwindow);
 
     // widget to draw on
     GtkPizza *pizza = GTK_PIZZA (m_wxwindow);
 

-    // later for GTK 2.0, too.

     if (GetThemeEnabled())
     {
         // find ancestor from which to steal background
     if (GetThemeEnabled())
     {
         // find ancestor from which to steal background


@@ -3818,7 +3955,7 @@ void wxWindowGTK::GtkSendPaintEvents()
 
             gtk_paint_flat_box( parent->m_widget->style,
                         pizza->bin_window,
 
             gtk_paint_flat_box( parent->m_widget->style,
                         pizza->bin_window,

-                        GTK_STATE_NORMAL,
+                        (GtkStateType)GTK_WIDGET_STATE(m_wxwindow),

                         GTK_SHADOW_NONE,
                         &rect,
                         parent->m_widget,
                         GTK_SHADOW_NONE,
                         &rect,
                         parent->m_widget,


@@ -3829,7 +3966,6 @@ void wxWindowGTK::GtkSendPaintEvents()
         }
     }
     else
         }
     }
     else

-#endif

 
 #ifdef __WXGTK20__
     {
 
 #ifdef __WXGTK20__
     {


@@ -3860,7 +3996,7 @@ void wxWindowGTK::GtkSendPaintEvents()
                 g_eraseGC = gdk_gc_new( pizza->bin_window );
                 gdk_gc_set_fill( g_eraseGC, GDK_SOLID );
             }
                 g_eraseGC = gdk_gc_new( pizza->bin_window );
                 gdk_gc_set_fill( g_eraseGC, GDK_SOLID );
             }

-            gdk_gc_set_foreground( g_eraseGC, m_backgroundColour.GetColor() );
+            gdk_gc_set_foreground( g_eraseGC, GetBackgroundColour().GetColor() );

 
             wxRegionIterator upd( m_clearRegion );
             while (upd)
 
             wxRegionIterator upd( m_clearRegion );
             while (upd)


@@ -3887,7 +4023,7 @@ void wxWindowGTK::GtkSendPaintEvents()
 #ifndef __WXUNIVERSAL__
 #ifndef __WXGTK20__
     // The following code will result in all window-less widgets
 #ifndef __WXUNIVERSAL__
 #ifndef __WXGTK20__
     // The following code will result in all window-less widgets

-    // being redrawn because the wxWindows class is allowed to
+    // being redrawn because the wxWidgets class is allowed to

     // paint over the window-less widgets.
 
     GList *children = pizza->children;
     // paint over the window-less widgets.
 
     GList *children = pizza->children;


@@ -3959,72 +4095,29 @@ void wxWindowGTK::DoSetToolTip( wxToolTip *tip )
 
 void wxWindowGTK::ApplyToolTip( GtkTooltips *tips, const wxChar *tip )
 {
 
 void wxWindowGTK::ApplyToolTip( GtkTooltips *tips, const wxChar *tip )
 {

-    gtk_tooltips_set_tip( tips, GetConnectWidget(), wxConvCurrent->cWX2MB(tip), (gchar*) NULL );
+    wxString tmp( tip );
+    gtk_tooltips_set_tip( tips, GetConnectWidget(), wxGTK_CONV(tmp), (gchar*) NULL );

 }
 #endif // wxUSE_TOOLTIPS
 
 }
 #endif // wxUSE_TOOLTIPS
 

-void wxWindowGTK::GtkSetBackgroundColour( const wxColour &colour )
-{
-    GdkWindow *window = (GdkWindow*) NULL;
-    if (m_wxwindow)
-        window = GTK_PIZZA(m_wxwindow)->bin_window;
-    else
-        window = GetConnectWidget()->window;
-
-    wxASSERT( window );
-
-    // We need the pixel value e.g. for background clearing.
-    m_backgroundColour.CalcPixel( gdk_window_get_colormap( window ) );
-
-    if (m_wxwindow)
-    {
-        // wxMSW doesn't clear the window here, either.
-        gdk_window_set_background( window, m_backgroundColour.GetColor() );
-    }
-
-    ApplyWidgetStyle();
-}
-

 bool wxWindowGTK::SetBackgroundColour( const wxColour &colour )
 {
     wxCHECK_MSG( m_widget != NULL, FALSE, wxT("invalid window") );
 
     if (!wxWindowBase::SetBackgroundColour(colour))
 bool wxWindowGTK::SetBackgroundColour( const wxColour &colour )
 {
     wxCHECK_MSG( m_widget != NULL, FALSE, wxT("invalid window") );
 
     if (!wxWindowBase::SetBackgroundColour(colour))

-        return FALSE;
+        return false;

 
 

-    GdkWindow *window = (GdkWindow*) NULL;
-    if (m_wxwindow)
-        window = GTK_PIZZA(m_wxwindow)->bin_window;
-    else
-        window = GetConnectWidget()->window;
-
-    if (!window)
-    {
-        // indicate that a new style has been set
-        // but it couldn't get applied as the
-        // widget hasn't been realized yet.
-        m_delayedBackgroundColour = TRUE;
-        return TRUE;
-    }
-    else
+    if (colour.Ok())

     {
     {

-        GtkSetBackgroundColour( colour );
+        // We need the pixel value e.g. for background clearing.
+        m_backgroundColour.CalcPixel(gtk_widget_get_colormap(m_widget));

     }
 
     }
 

-    return TRUE;
-}
-
-void wxWindowGTK::GtkSetForegroundColour( const wxColour &colour )
-{
-    GdkWindow *window = (GdkWindow*) NULL;
-    if (m_wxwindow)
-        window = GTK_PIZZA(m_wxwindow)->bin_window;
-    else
-        window = GetConnectWidget()->window;
+    // apply style change (forceStyle=true so that new style is applied
+    // even if the bg colour changed from valid to wxNullColour):
+    ApplyWidgetStyle(true);

 
 

-    wxASSERT( window );
-
-    ApplyWidgetStyle();
+    return true;

 }
 
 bool wxWindowGTK::SetForegroundColour( const wxColour &colour )
 }
 
 bool wxWindowGTK::SetForegroundColour( const wxColour &colour )


@@ -4033,30 +4126,20 @@ bool wxWindowGTK::SetForegroundColour( const wxColour &colour )
 
     if (!wxWindowBase::SetForegroundColour(colour))
     {
 
     if (!wxWindowBase::SetForegroundColour(colour))
     {

-        // don't leave if the GTK widget has just
-        // been realized
-        if (!m_delayedForegroundColour) return FALSE;
+        return false;

     }
     }

-
-    GdkWindow *window = (GdkWindow*) NULL;
-    if (m_wxwindow)
-        window = GTK_PIZZA(m_wxwindow)->bin_window;
-    else
-        window = GetConnectWidget()->window;
-
-    if (!window)
-    {
-        // indicate that a new style has been set
-        // but it couldn't get applied as the
-        // widget hasn't been realized yet.
-        m_delayedForegroundColour = TRUE;
-    }
-    else
+    
+    if (colour.Ok())

     {
     {

-       GtkSetForegroundColour( colour );
+        // We need the pixel value e.g. for background clearing.
+        m_foregroundColour.CalcPixel(gtk_widget_get_colormap(m_widget));

     }
 
     }
 

-    return TRUE;
+    // apply style change (forceStyle=true so that new style is applied
+    // even if the bg colour changed from valid to wxNullColour):
+    ApplyWidgetStyle(true);
+
+    return true;

 }
 
 #ifdef __WXGTK20__
 }
 
 #ifdef __WXGTK20__


@@ -4073,137 +4156,93 @@ PangoContext *wxWindowGTK::GtkGetPangoX11Context()
     return m_x11Context;
 }
 #endif
     return m_x11Context;
 }
 #endif

-
-GtkStyle *wxWindowGTK::GetWidgetStyle()
+ 
+GtkRcStyle *wxWindowGTK::CreateWidgetStyle(bool forceStyle)

 {
 {

-    if (m_widgetStyle)
+    // do we need to apply any changes at all?
+    if ( !forceStyle &&
+         !m_font.Ok() &&
+         !m_foregroundColour.Ok() && !m_backgroundColour.Ok() )

     {
     {

-        GtkStyle *remake = gtk_style_copy( m_widgetStyle );
-
-        // FIXME: no more klass in 2.0
-#ifndef __WXGTK20__
-        remake->klass = m_widgetStyle->klass;
-#endif
-
-        gtk_style_unref( m_widgetStyle );
-        m_widgetStyle = remake;
+        return NULL;

     }
     }

-    else
-    {
-        GtkStyle *def = gtk_rc_get_style( m_widget );
-
-        if (!def)
-            def = gtk_widget_get_default_style();

 
 

-        m_widgetStyle = gtk_style_copy( def );
+    GtkRcStyle *style = gtk_rc_style_new();

 
 

-        // FIXME: no more klass in 2.0
-#ifndef __WXGTK20__
-        m_widgetStyle->klass = def->klass;
+    if ( m_font.Ok() )
+    {
+#ifdef __WXGTK20__
+        style->font_desc = 
+            pango_font_description_copy( m_font.GetNativeFontInfo()->description );
+#else
+        wxString xfontname = m_font.GetNativeFontInfo()->GetXFontName();
+        style->fontset_name = g_strdup(xfontname.c_str());

 #endif
     }
 
 #endif
     }
 

-    return m_widgetStyle;
-}
-
-void wxWindowGTK::SetWidgetStyle()
-{
-#if DISABLE_STYLE_IF_BROKEN_THEME
-    if (m_widget->style->engine_data)
+    if ( m_foregroundColour.Ok() )

     {
     {

-        static bool s_warningPrinted = FALSE;
-        if (!s_warningPrinted)
-        {
-            printf( "wxWindows warning: Widget styles disabled due to buggy GTK theme.\n" );
-            s_warningPrinted = TRUE;
-        }
-        m_widgetStyle = m_widget->style;
-        return;
+        GdkColor *fg = m_foregroundColour.GetColor();
+        
+        style->fg[GTK_STATE_NORMAL] = *fg;
+        style->color_flags[GTK_STATE_NORMAL] = GTK_RC_FG;
+        
+        style->fg[GTK_STATE_PRELIGHT] = *fg;
+        style->color_flags[GTK_STATE_PRELIGHT] = GTK_RC_FG;
+        
+        style->fg[GTK_STATE_ACTIVE] = *fg;
+        style->color_flags[GTK_STATE_ACTIVE] = GTK_RC_FG;

     }
     }

-#endif

 
 

-    GtkStyle *style = GetWidgetStyle();
-
-    if (m_font != wxSystemSettings::GetFont( wxSYS_DEFAULT_GUI_FONT ))
+    if ( m_backgroundColour.Ok() )

     {
     {

-#ifdef __WXGTK20__
-        pango_font_description_free( style->font_desc );
-        style->font_desc = pango_font_description_copy( m_font.GetNativeFontInfo()->description );
-#else
-        gdk_font_unref( style->font );
-        style->font = gdk_font_ref( m_font.GetInternalFont( 1.0 ) );
-#endif
-    }
+        GdkColor *bg = m_backgroundColour.GetColor();

 
 

-    if (m_foregroundColour.Ok())
-    {
-        m_foregroundColour.CalcPixel( gtk_widget_get_colormap( m_widget ) );
-        if (m_foregroundColour != wxSystemSettings::GetColour(wxSYS_COLOUR_BTNTEXT))
-        {
-            style->fg[GTK_STATE_NORMAL] = *m_foregroundColour.GetColor();
-            style->fg[GTK_STATE_PRELIGHT] = *m_foregroundColour.GetColor();
-            style->fg[GTK_STATE_ACTIVE] = *m_foregroundColour.GetColor();
-        }
-        else
-        {
-            // Try to restore the gtk default style.  This is still a little
-            // oversimplified for what is probably really needed here for controls
-            // other than buttons, but is better than not being able to (re)set a
-            // control's foreground colour to *wxBLACK -- RL
-            GtkStyle *def = gtk_rc_get_style( m_widget );
-
-            if (!def)
-                def = gtk_widget_get_default_style();
-
-            style->fg[GTK_STATE_NORMAL] = def->fg[GTK_STATE_NORMAL];
-            style->fg[GTK_STATE_PRELIGHT] = def->fg[GTK_STATE_PRELIGHT];
-            style->fg[GTK_STATE_ACTIVE] = def->fg[GTK_STATE_ACTIVE];
-        }
+        style->bg[GTK_STATE_NORMAL] = *bg;
+        style->base[GTK_STATE_NORMAL] = *bg;
+        style->color_flags[GTK_STATE_NORMAL] = (GtkRcFlags)
+            (style->color_flags[GTK_STATE_NORMAL] | GTK_RC_BG | GTK_RC_BASE);
+        
+        style->bg[GTK_STATE_PRELIGHT] = *bg;
+        style->base[GTK_STATE_PRELIGHT] = *bg;
+        style->color_flags[GTK_STATE_PRELIGHT] = (GtkRcFlags)
+            (style->color_flags[GTK_STATE_PRELIGHT] | GTK_RC_BG | GTK_RC_BASE);
+        
+        style->bg[GTK_STATE_ACTIVE] = *bg;
+        style->base[GTK_STATE_ACTIVE] = *bg;
+        style->color_flags[GTK_STATE_ACTIVE] = (GtkRcFlags)
+            (style->color_flags[GTK_STATE_ACTIVE] | GTK_RC_BG | GTK_RC_BASE);
+        
+        style->bg[GTK_STATE_INSENSITIVE] = *bg;
+        style->base[GTK_STATE_INSENSITIVE] = *bg;
+        style->color_flags[GTK_STATE_INSENSITIVE] = (GtkRcFlags)
+            (style->color_flags[GTK_STATE_INSENSITIVE] | GTK_RC_BG | GTK_RC_BASE);

     }
     }

+    
+    return style;
+}

 
 

-    if (m_backgroundColour.Ok())
+void wxWindowGTK::ApplyWidgetStyle(bool forceStyle)
+{
+    GtkRcStyle *style = CreateWidgetStyle(forceStyle);
+    if ( style )

     {
     {

-        m_backgroundColour.CalcPixel( gtk_widget_get_colormap( m_widget ) );
-        if (m_backgroundColour != wxSystemSettings::GetColour(wxSYS_COLOUR_BTNFACE))
-        {
-            style->bg[GTK_STATE_NORMAL] = *m_backgroundColour.GetColor();
-            style->base[GTK_STATE_NORMAL] = *m_backgroundColour.GetColor();
-            style->bg[GTK_STATE_PRELIGHT] = *m_backgroundColour.GetColor();
-            style->base[GTK_STATE_PRELIGHT] = *m_backgroundColour.GetColor();
-            style->bg[GTK_STATE_ACTIVE] = *m_backgroundColour.GetColor();
-            style->base[GTK_STATE_ACTIVE] = *m_backgroundColour.GetColor();
-            style->bg[GTK_STATE_INSENSITIVE] = *m_backgroundColour.GetColor();
-            style->base[GTK_STATE_INSENSITIVE] = *m_backgroundColour.GetColor();
-        }
-        else
-        {
-            // Try to restore the gtk default style.  This is still a little
-            // oversimplified for what is probably really needed here for controls
-            // other than buttons, but is better than not being able to (re)set a
-            // control's background colour to default grey and means resetting a
-            // button to wxSYS_COLOUR_BTNFACE will restore its usual highlighting
-            // behavior -- RL
-            GtkStyle *def = gtk_rc_get_style( m_widget );
-
-            if (!def)
-                def = gtk_widget_get_default_style();
-
-            style->bg[GTK_STATE_NORMAL] = def->bg[GTK_STATE_NORMAL];
-            style->base[GTK_STATE_NORMAL] = def->base[GTK_STATE_NORMAL];
-            style->bg[GTK_STATE_PRELIGHT] = def->bg[GTK_STATE_PRELIGHT];
-            style->base[GTK_STATE_PRELIGHT] = def->base[GTK_STATE_PRELIGHT];
-            style->bg[GTK_STATE_ACTIVE] = def->bg[GTK_STATE_ACTIVE];
-            style->base[GTK_STATE_ACTIVE] = def->base[GTK_STATE_ACTIVE];
-            style->bg[GTK_STATE_INSENSITIVE] = def->bg[GTK_STATE_INSENSITIVE];
-            style->base[GTK_STATE_INSENSITIVE] = def->base[GTK_STATE_INSENSITIVE];
-        }
+        DoApplyWidgetStyle(style);
+        gtk_rc_style_unref(style);

     }
     }

+
+    // Style change may affect GTK+'s size calculation:
+    InvalidateBestSize();

 }
 
 }
 

-void wxWindowGTK::ApplyWidgetStyle()
+void wxWindowGTK::DoApplyWidgetStyle(GtkRcStyle *style)

 {
 {

+    if (m_wxwindow)
+        gtk_widget_modify_style(m_wxwindow, style);
+    gtk_widget_modify_style(m_widget, style);

 }
 
 }
 

+

 //-----------------------------------------------------------------------------
 // Pop-up menu stuff
 //-----------------------------------------------------------------------------
 //-----------------------------------------------------------------------------
 // Pop-up menu stuff
 //-----------------------------------------------------------------------------


@@ -4232,61 +4271,66 @@ static void SetInvokingWindow( wxMenu *menu, wxWindowGTK *win )
     }
 }
 
     }
 }
 

-// used to pass the coordinates from wxWindowGTK::DoPopupMenu() to
-// wxPopupMenuPositionCallback()
-//
-// should be safe even in the MT case as the user can hardly popup 2 menus
-// simultaneously, can he?
-static gint gs_pop_x = 0;
-static gint gs_pop_y = 0;
-

 extern "C" void wxPopupMenuPositionCallback( GtkMenu *menu,
                                              gint *x, gint *y,
 #ifdef __WXGTK20__
                                              gboolean * WXUNUSED(whatever),
 #endif
 extern "C" void wxPopupMenuPositionCallback( GtkMenu *menu,
                                              gint *x, gint *y,
 #ifdef __WXGTK20__
                                              gboolean * WXUNUSED(whatever),
 #endif

-                                             gpointer WXUNUSED(user_data) )
+                                             gpointer user_data )

 {
     // ensure that the menu appears entirely on screen
     GtkRequisition req;
     gtk_widget_get_child_requisition(GTK_WIDGET(menu), &req);
 
     wxSize sizeScreen = wxGetDisplaySize();
 {
     // ensure that the menu appears entirely on screen
     GtkRequisition req;
     gtk_widget_get_child_requisition(GTK_WIDGET(menu), &req);
 
     wxSize sizeScreen = wxGetDisplaySize();

+    wxPoint *pos = (wxPoint*)user_data;

 
     gint xmax = sizeScreen.x - req.width,
          ymax = sizeScreen.y - req.height;
 
 
     gint xmax = sizeScreen.x - req.width,
          ymax = sizeScreen.y - req.height;
 

-    *x = gs_pop_x < xmax ? gs_pop_x : xmax;
-    *y = gs_pop_y < ymax ? gs_pop_y : ymax;
+    *x = pos->x < xmax ? pos->x : xmax;
+    *y = pos->y < ymax ? pos->y : ymax;

 }
 
 bool wxWindowGTK::DoPopupMenu( wxMenu *menu, int x, int y )
 {
 }
 
 bool wxWindowGTK::DoPopupMenu( wxMenu *menu, int x, int y )
 {

-    wxCHECK_MSG( m_widget != NULL, FALSE, wxT("invalid window") );
+    wxCHECK_MSG( m_widget != NULL, false, wxT("invalid window") );

 
 

-    wxCHECK_MSG( menu != NULL, FALSE, wxT("invalid popup-menu") );
+    wxCHECK_MSG( menu != NULL, false, wxT("invalid popup-menu") );

 
     SetInvokingWindow( menu, this );
 
     menu->UpdateUI();
 
 
     SetInvokingWindow( menu, this );
 
     menu->UpdateUI();
 

-    gs_pop_x = x;
-    gs_pop_y = y;
-    ClientToScreen( &gs_pop_x, &gs_pop_y );
+    bool is_waiting = true;

 
 

-    bool is_waiting = TRUE;
+    gulong handler = gtk_signal_connect( GTK_OBJECT(menu->m_menu),
+                                         "hide",
+                                         GTK_SIGNAL_FUNC(gtk_pop_hide_callback),
+                                         (gpointer)&is_waiting );

 
 

-    gtk_signal_connect( GTK_OBJECT(menu->m_menu),
-                        "hide",
-                        GTK_SIGNAL_FUNC(gtk_pop_hide_callback),
-                        (gpointer)&is_waiting );
+    wxPoint pos;
+    gpointer userdata;
+    GtkMenuPositionFunc posfunc;
+    if ( x == -1 && y == -1 )
+    {
+        // use GTK's default positioning algorithm
+        userdata = NULL;
+        posfunc = NULL;
+    }
+    else
+    {
+        pos = ClientToScreen(wxPoint(x, y));
+        userdata = &pos;
+        posfunc = wxPopupMenuPositionCallback;
+    }

 
     gtk_menu_popup(
                   GTK_MENU(menu->m_menu),
                   (GtkWidget *) NULL,           // parent menu shell
                   (GtkWidget *) NULL,           // parent menu item
 
     gtk_menu_popup(
                   GTK_MENU(menu->m_menu),
                   (GtkWidget *) NULL,           // parent menu shell
                   (GtkWidget *) NULL,           // parent menu item

-                  wxPopupMenuPositionCallback,  // function to position it
-                  NULL,                         // client data
+                  posfunc,                      // function to position it
+                  userdata,                     // client data

                   0,                            // button used to activate it
 #ifdef __WXGTK20__
                   gtk_get_current_event_time()
                   0,                            // button used to activate it
 #ifdef __WXGTK20__
                   gtk_get_current_event_time()


@@ -4300,7 +4344,9 @@ bool wxWindowGTK::DoPopupMenu( wxMenu *menu, int x, int y )
         gtk_main_iteration();
     }
 
         gtk_main_iteration();
     }
 

-    return TRUE;
+    gtk_signal_disconnect(GTK_OBJECT(menu->m_menu), handler);
+
+    return true;

 }
 
 #endif // wxUSE_MENUS_NATIVE
 }
 
 #endif // wxUSE_MENUS_NATIVE


@@ -4341,24 +4387,16 @@ bool wxWindowGTK::IsOwnGtkWindow( GdkWindow *window )
 
 bool wxWindowGTK::SetFont( const wxFont &font )
 {
 
 bool wxWindowGTK::SetFont( const wxFont &font )
 {

-    if (!wxWindowBase::SetFont(font) || !m_widget)
-    {
-        return FALSE;
-    }
+    wxCHECK_MSG( m_widget != NULL, FALSE, wxT("invalid window") );

 
 

-    wxColour sysbg = wxSystemSettings::GetColour( wxSYS_COLOUR_BTNFACE );
-    if ( sysbg == m_backgroundColour )
-    {
-        m_backgroundColour = wxNullColour;
-        ApplyWidgetStyle();
-        m_backgroundColour = sysbg;
-    }
-    else
-    {
-        ApplyWidgetStyle();
-    }
+    if (!wxWindowBase::SetFont(font))
+        return false;

 
 

-    return TRUE;
+    // apply style change (forceStyle=true so that new style is applied
+    // even if the font changed from valid to wxNullFont):
+    ApplyWidgetStyle(true);    
+
+    return true;

 }
 
 void wxWindowGTK::DoCaptureMouse()
 }
 
 void wxWindowGTK::DoCaptureMouse()