+// "draw" of m_mainWidget
+//-----------------------------------------------------------------------------
+
+static void gtk_window_own_draw_callback( GtkWidget *widget, GdkRectangle *WXUNUSED(rect), wxFrame *win )
+{
+    if (g_isIdle) wxapp_install_idle_handler();
+
+    if (!win->m_hasVMT) return;
+    
+    GtkPizza *pizza = GTK_PIZZA(widget);
+    
+    gtk_draw_shadow( widget->style, 
+                     pizza->bin_window,
+                     GTK_STATE_NORMAL,
+                     GTK_SHADOW_OUT,
+                     0, 0,
+                     win->m_width, win->m_height );
+                     
+    if (!win->m_title.IsEmpty() &&
+        ((win->GetWindowStyle() & wxCAPTION) || 
+         (win->GetWindowStyle() & wxTINY_CAPTION_HORIZ) || 
+         (win->GetWindowStyle() & wxTINY_CAPTION_VERT)))
+    {
+        GdkGC *gc = gdk_gc_new( pizza->bin_window );
+        GdkFont *font = wxSMALL_FONT->GetInternalFont(1.0);
+        
+        gdk_gc_set_foreground( gc, &widget->style->bg[GTK_STATE_SELECTED] );
+        gdk_draw_rectangle( pizza->bin_window, gc, TRUE, 
+                            3, 
+                            3,
+                            win->m_width - 7,
+                            font->ascent + font->descent+1 );
+                            
+        gdk_gc_set_foreground( gc, &widget->style->fg[GTK_STATE_SELECTED] );
+        gdk_draw_string( pizza->bin_window, font, gc, 
+                         6, 
+                         3+font->ascent, 
+                         win->m_title.mb_str() );
+        
+        gdk_gc_unref( gc );
+    }
+}
+
+//-----------------------------------------------------------------------------
+// "button_press_event" of m_mainWidget
+//-----------------------------------------------------------------------------
+
+static gint gtk_window_button_press_callback( GtkWidget *widget, GdkEventButton *gdk_event, wxMiniFrame *win )
+{
+    if (g_isIdle) wxapp_install_idle_handler();
+
+    if (!win->m_hasVMT) return FALSE;
+    if (g_blockEventsOnDrag) return TRUE;
+    if (g_blockEventsOnScroll) return TRUE;
+
+    if (win->m_isDragging) return TRUE;
+
+    gdk_window_raise( win->m_widget->window );
+    
+    gdk_pointer_grab( widget->window, FALSE,
+                      (GdkEventMask)
+                         (GDK_BUTTON_PRESS_MASK |
+                          GDK_BUTTON_RELEASE_MASK |
+                          GDK_POINTER_MOTION_MASK        |
+                          GDK_POINTER_MOTION_HINT_MASK  |
+                          GDK_BUTTON_MOTION_MASK        |
+                          GDK_BUTTON1_MOTION_MASK),
+                      (GdkWindow *) NULL,
+                      (GdkCursor *) NULL,
+                      (unsigned int) GDK_CURRENT_TIME );
+                     
+    win->m_diffX = (int)gdk_event->x;
+    win->m_diffY = (int)gdk_event->y;
+    DrawFrame( widget, 0, 0, win->m_width, win->m_height );
+    win->m_oldX = 0;
+    win->m_oldY = 0;
+    
+    win->m_isDragging = TRUE;
+
+    return TRUE;
+}
+
+//-----------------------------------------------------------------------------
+// "button_release_event" of m_mainWidget
+//-----------------------------------------------------------------------------
+
+static gint gtk_window_button_release_callback( GtkWidget *widget, GdkEventButton *gdk_event, wxMiniFrame *win )
+{
+    if (g_isIdle) wxapp_install_idle_handler();
+
+    if (!win->m_hasVMT) return FALSE;
+    if (g_blockEventsOnDrag) return TRUE;
+    if (g_blockEventsOnScroll) return TRUE;
+
+    if (!win->m_isDragging) return TRUE;
+    
+    win->m_isDragging = FALSE;
+     
+    int x = (int)gdk_event->x;
+    int y = (int)gdk_event->y;
+    
+    DrawFrame( widget, win->m_oldX, win->m_oldY, win->m_width, win->m_height );
+    gdk_pointer_ungrab ( (guint32)GDK_CURRENT_TIME );
+    int org_x = 0;    
+    int org_y = 0;
+    gdk_window_get_origin( widget->window, &org_x, &org_y );
+    x += org_x - win->m_diffX;
+    y += org_y - win->m_diffY;
+    win->m_x = x;
+    win->m_y = y;
+    gtk_widget_set_uposition( win->m_widget, x, y );
+
+    return TRUE;
+}
+
+//-----------------------------------------------------------------------------
+// "motion_notify_event" of m_mainWidget
+//-----------------------------------------------------------------------------
+
+static gint gtk_window_motion_notify_callback( GtkWidget *widget, GdkEventMotion *gdk_event, wxMiniFrame *win )
+{
+    if (g_isIdle) wxapp_install_idle_handler();
+
+    if (!win->m_hasVMT) return FALSE;
+    if (g_blockEventsOnDrag) return TRUE;
+    if (g_blockEventsOnScroll) return TRUE;
+
+    if (!win->m_isDragging) return TRUE;
+    
+    if (gdk_event->is_hint)
+    {
+       int x = 0;
+       int y = 0;
+       GdkModifierType state;
+       gdk_window_get_pointer(gdk_event->window, &x, &y, &state);
+       gdk_event->x = x;
+       gdk_event->y = y;
+       gdk_event->state = state;
+    }
+
+    DrawFrame( widget, win->m_oldX, win->m_oldY, win->m_width, win->m_height );
+    win->m_oldX = (int)gdk_event->x - win->m_diffX;
+    win->m_oldY = (int)gdk_event->y - win->m_diffY;
+    DrawFrame( widget, win->m_oldX, win->m_oldY, win->m_width, win->m_height );
+    
+    return TRUE;
+}
+
+//-----------------------------------------------------------------------------
+// "clicked" of X system button