Fix memory leak when a spacer is added, and crash when a window is added before wxSiz...

[wxWidgets.git] / src / gtk1 / win_gtk.c

diff --git a/src/gtk1/win_gtk.c b/src/gtk1/win_gtk.c
index f97158acf9f60c12a47a49c31db0a41ed6db6aee..526fd5e116dda679fcca77a2d3ab08135b0abace 100644 (file)
--- a/src/gtk1/win_gtk.c
+++ b/src/gtk1/win_gtk.c
@@ -1,19 +1,20 @@
 /* ///////////////////////////////////////////////////////////////////////////
 // Name:        win_gtk.c
 /* ///////////////////////////////////////////////////////////////////////////
 // Name:        win_gtk.c

-// Purpose:     Native GTK+ widget for wxWindows, based on GtkLayout and
+// Purpose:     Native GTK+ widget for wxWidgets, based on GtkLayout and

 //              GtkFixed. It makes use of the gravity window property and
 //              therefore does not work with GTK 1.0.
 // Author:      Robert Roebling
 // Id:          $Id$
 // Copyright:   (c) 1998 Robert Roebling
 //              GtkFixed. It makes use of the gravity window property and
 //              therefore does not work with GTK 1.0.
 // Author:      Robert Roebling
 // Id:          $Id$
 // Copyright:   (c) 1998 Robert Roebling

-// Licence:     wxWindows licence
+// Licence:     wxWidgets licence

 /////////////////////////////////////////////////////////////////////////// */
 
 /////////////////////////////////////////////////////////////////////////// */
 

-#include "wx/gtk/win_gtk.h"
-#ifdef __VMS
-#define gtk_widget_get_child_requisition gtk_widget_get_child_requisitio
-#define gtk_marshal_NONE__POINTER_POINTER gtk_marshal_NONE__POINTER_POINT
+#ifdef VMS
+#define XCheckIfEvent XCHECKIFEVENT

 #endif
 #endif

+
+#include "wx/setup.h"
+#include "wx/gtk/win_gtk.h"

 #include "gtk/gtksignal.h"
 #include "gtk/gtkprivate.h"
 #include "gdk/gdkx.h"
 #include "gtk/gtksignal.h"
 #include "gtk/gtkprivate.h"
 #include "gdk/gdkx.h"


@@ -22,6 +23,8 @@
 extern "C" {
 #endif /* __cplusplus */
 
 extern "C" {
 #endif /* __cplusplus */
 

+#ifndef __WXGTK20__
+

 #include <X11/Xlib.h>
 #include <X11/Xutil.h>
 #include <X11/Xatom.h>
 #include <X11/Xlib.h>
 #include <X11/Xutil.h>
 #include <X11/Xatom.h>


@@ -29,8 +32,9 @@ extern "C" {
 #define IS_ONSCREEN(x,y) ((x >= G_MINSHORT) && (x <= G_MAXSHORT) && \
                           (y >= G_MINSHORT) && (y <= G_MAXSHORT))
 
 #define IS_ONSCREEN(x,y) ((x >= G_MINSHORT) && (x <= G_MAXSHORT) && \
                           (y >= G_MINSHORT) && (y <= G_MAXSHORT))
 

+#endif
+

 typedef struct _GtkPizzaAdjData  GtkPizzaAdjData;
 typedef struct _GtkPizzaAdjData  GtkPizzaAdjData;

-typedef struct _GtkPizzaChild    GtkPizzaChild;

 
 struct _GtkPizzaAdjData
 {
 
 struct _GtkPizzaAdjData
 {


@@ -38,102 +42,150 @@ struct _GtkPizzaAdjData
     gint dy;
 };
 
     gint dy;
 };
 

-struct _GtkPizzaChild
-{
-    GtkWidget *widget;
-    gint x;
-    gint y;
-    gint width;
-    gint height;
-};
-
-static void gtk_pizza_class_init      (GtkPizzaClass  *klass);
-static void gtk_pizza_init            (GtkPizza       *pizza);
+static void gtk_pizza_class_init    (GtkPizzaClass    *klass);
+static void gtk_pizza_init          (GtkPizza         *pizza);

 
 

-static void gtk_pizza_realize         (GtkWidget        *widget);
-static void gtk_pizza_unrealize       (GtkWidget        *widget);
+static void gtk_pizza_realize       (GtkWidget        *widget);
+static void gtk_pizza_unrealize     (GtkWidget        *widget);

 
 

-static void gtk_pizza_map             (GtkWidget        *widget);
+static void gtk_pizza_map           (GtkWidget        *widget);

 
 static void gtk_pizza_size_request  (GtkWidget        *widget,
                                      GtkRequisition   *requisition);
 static void gtk_pizza_size_allocate (GtkWidget        *widget,
                                      GtkAllocation    *allocation);
 
 static void gtk_pizza_size_request  (GtkWidget        *widget,
                                      GtkRequisition   *requisition);
 static void gtk_pizza_size_allocate (GtkWidget        *widget,
                                      GtkAllocation    *allocation);

+#ifndef __WXGTK20__

 static void gtk_pizza_draw          (GtkWidget        *widget,
                                      GdkRectangle     *area);
 static void gtk_pizza_draw          (GtkWidget        *widget,
                                      GdkRectangle     *area);

+#endif /* __WXGTK20__ */

 static gint gtk_pizza_expose        (GtkWidget        *widget,
                                      GdkEventExpose   *event);
 static gint gtk_pizza_expose        (GtkWidget        *widget,
                                      GdkEventExpose   *event);

+static void gtk_pizza_style_set     (GtkWidget *widget,
+                                     GtkStyle  *previous_style);

 static void gtk_pizza_add           (GtkContainer     *container,
                                      GtkWidget        *widget);
 static void gtk_pizza_remove        (GtkContainer     *container,
                                      GtkWidget        *widget);
 static void gtk_pizza_add           (GtkContainer     *container,
                                      GtkWidget        *widget);
 static void gtk_pizza_remove        (GtkContainer     *container,
                                      GtkWidget        *widget);

-static void gtk_pizza_forall       (GtkContainer     *container,
-                                     gboolean              include_internals,
-                                     GtkCallback      callback,
-                                     gpointer         callback_data);
+static void gtk_pizza_forall        (GtkContainer     *container,
+                                     gboolean          include_internals,
+                                     GtkCallback       callback,
+                                     gpointer          callback_data);
+                                     
+static void     gtk_pizza_allocate_child     (GtkPizza      *pizza,
+                                              GtkPizzaChild *child);
+static void     gtk_pizza_adjust_allocations_recurse (GtkWidget *widget,
+                                                      gpointer   cb_data);

 
 

+#ifndef __WXGTK20__

 static void     gtk_pizza_position_child     (GtkPizza      *pizza,
 static void     gtk_pizza_position_child     (GtkPizza      *pizza,

-                                               GtkPizzaChild *child);
-static void     gtk_pizza_allocate_child     (GtkPizza      *pizza,
-                                               GtkPizzaChild *child);
+                                              GtkPizzaChild *child);

 static void     gtk_pizza_position_children  (GtkPizza      *pizza);
 
 static void     gtk_pizza_position_children  (GtkPizza      *pizza);
 

-static void     gtk_pizza_adjust_allocations_recurse (GtkWidget *widget,
-                                                       gpointer   cb_data);
-static void     gtk_pizza_adjust_allocations         (GtkPizza *pizza,
-                                                       gint       dx,
-                                                       gint       dy);
-
-
-static void     gtk_pizza_expose_area        (GtkPizza      *pizza,
-                                               gint            x,
-                                               gint            y,
-                                               gint            width,
-                                               gint            height);
-static void     gtk_pizza_adjustment_changed (GtkAdjustment  *adjustment,
-                                               GtkPizza      *pizza);

 static GdkFilterReturn gtk_pizza_filter      (GdkXEvent      *gdk_xevent,
 static GdkFilterReturn gtk_pizza_filter      (GdkXEvent      *gdk_xevent,

-                                               GdkEvent       *event,
-                                               gpointer        data);
+                                              GdkEvent       *event,
+                                              gpointer        data);

 static GdkFilterReturn gtk_pizza_main_filter (GdkXEvent      *gdk_xevent,
 static GdkFilterReturn gtk_pizza_main_filter (GdkXEvent      *gdk_xevent,

-                                               GdkEvent       *event,
-                                               gpointer        data);
-
+                                              GdkEvent       *event,
+                                              gpointer        data);
+#endif /* __WXGTK20__ */

 
 static GtkType gtk_pizza_child_type (GtkContainer     *container);
 
 
 static GtkType gtk_pizza_child_type (GtkContainer     *container);
 

-static void  gtk_pizza_scroll_set_adjustments    (GtkPizza   *pizza,
+static void  gtk_pizza_scroll_set_adjustments (GtkPizza      *pizza,

                                                GtkAdjustment *hadj,
                                                GtkAdjustment *vadj);
 
 
                                                GtkAdjustment *hadj,
                                                GtkAdjustment *vadj);
 
 

-static GtkContainerClass *parent_class = NULL;
+#ifdef __WXGTK20__
+       GtkContainerClass *pizza_parent_class = NULL;
+#else
+static GtkContainerClass *pizza_parent_class = NULL;
+#endif
+

 static gboolean gravity_works;
 
 static gboolean gravity_works;
 

-guint
+GtkType

 gtk_pizza_get_type ()
 {
 gtk_pizza_get_type ()
 {

-    static guint pizza_type = 0;
+    static GtkType pizza_type = 0;

 
     if (!pizza_type)
     {
 
     if (!pizza_type)
     {

+    
+#ifdef __WXGTK20__
+        static const GTypeInfo pizza_info =
+        {
+            sizeof (GtkPizzaClass),
+            NULL,           /* base_init */
+            NULL,           /* base_finalize */
+            (GClassInitFunc) gtk_pizza_class_init,
+            NULL,           /* class_finalize */
+            NULL,           /* class_data */
+            sizeof (GtkPizza),
+            16,             /* n_preallocs */
+            (GInstanceInitFunc) gtk_pizza_init,
+        };
+        pizza_type = g_type_register_static (GTK_TYPE_CONTAINER, "GtkPizza", &pizza_info, 0);
+#else

         GtkTypeInfo pizza_info =
         {
         GtkTypeInfo pizza_info =
         {

-           "GtkPizza",
-           sizeof (GtkPizza),
-           sizeof (GtkPizzaClass),
-           (GtkClassInitFunc) gtk_pizza_class_init,
-           (GtkObjectInitFunc) gtk_pizza_init,
-           /* reserved_1 */ NULL,
-           /* reserved_2 */ NULL,
-           (GtkClassInitFunc) NULL,
+            "GtkPizza",
+            sizeof (GtkPizza),
+            sizeof (GtkPizzaClass),
+            (GtkClassInitFunc) gtk_pizza_class_init,
+            (GtkObjectInitFunc) gtk_pizza_init,
+            /* reserved_1 */ NULL,
+            /* reserved_2 */ NULL,
+            (GtkClassInitFunc) NULL,

         };
         pizza_type = gtk_type_unique (gtk_container_get_type (), &pizza_info);
         };
         pizza_type = gtk_type_unique (gtk_container_get_type (), &pizza_info);

+#endif

     }
 
     return pizza_type;
 }
 
     }
 
     return pizza_type;
 }
 

+#if __WXGTK20__
+/* Marshaller needed for set_scroll_adjustments signal,
+   generated with GLib-2.4.6 glib-genmarshal */
+#define g_marshal_value_peek_object(v)   g_value_get_object (v)
+static void
+g_cclosure_user_marshal_VOID__OBJECT_OBJECT (GClosure     *closure,
+                                             GValue       *return_value,
+                                             guint         n_param_values,
+                                             const GValue *param_values,
+                                             gpointer      invocation_hint,
+                                             gpointer      marshal_data)
+{
+  typedef void (*GMarshalFunc_VOID__OBJECT_OBJECT) (gpointer     data1,
+                                                    gpointer     arg_1,
+                                                    gpointer     arg_2,
+                                                    gpointer     data2);
+  register GMarshalFunc_VOID__OBJECT_OBJECT callback;
+  register GCClosure *cc = (GCClosure*) closure;
+  register gpointer data1, data2;
+
+  g_return_if_fail (n_param_values == 3);
+
+  if (G_CCLOSURE_SWAP_DATA (closure))
+    {
+      data1 = closure->data;
+      data2 = g_value_peek_pointer (param_values + 0);
+    }
+  else
+    {
+      data1 = g_value_peek_pointer (param_values + 0);
+      data2 = closure->data;
+    }
+  callback = (GMarshalFunc_VOID__OBJECT_OBJECT) (marshal_data ? marshal_data : cc->callback);
+
+  callback (data1,
+            g_marshal_value_peek_object (param_values + 1),
+            g_marshal_value_peek_object (param_values + 2),
+            data2);
+}
+#endif /* __WXGTK20__ */
+

 static void
 gtk_pizza_class_init (GtkPizzaClass *klass)
 {
 static void
 gtk_pizza_class_init (GtkPizzaClass *klass)
 {


@@ -144,15 +196,18 @@ gtk_pizza_class_init (GtkPizzaClass *klass)
     object_class = (GtkObjectClass*) klass;
     widget_class = (GtkWidgetClass*) klass;
     container_class = (GtkContainerClass*) klass;
     object_class = (GtkObjectClass*) klass;
     widget_class = (GtkWidgetClass*) klass;
     container_class = (GtkContainerClass*) klass;

-    parent_class = gtk_type_class (GTK_TYPE_CONTAINER);
+    pizza_parent_class = gtk_type_class (GTK_TYPE_CONTAINER);

 
     widget_class->map = gtk_pizza_map;
     widget_class->realize = gtk_pizza_realize;
     widget_class->unrealize = gtk_pizza_unrealize;
     widget_class->size_request = gtk_pizza_size_request;
     widget_class->size_allocate = gtk_pizza_size_allocate;
 
     widget_class->map = gtk_pizza_map;
     widget_class->realize = gtk_pizza_realize;
     widget_class->unrealize = gtk_pizza_unrealize;
     widget_class->size_request = gtk_pizza_size_request;
     widget_class->size_allocate = gtk_pizza_size_allocate;

+#ifndef __WXGTK20__

     widget_class->draw = gtk_pizza_draw;
     widget_class->draw = gtk_pizza_draw;

+#endif

     widget_class->expose_event = gtk_pizza_expose;
     widget_class->expose_event = gtk_pizza_expose;

+    widget_class->style_set = gtk_pizza_style_set;

 
     container_class->add = gtk_pizza_add;
     container_class->remove = gtk_pizza_remove;
 
     container_class->add = gtk_pizza_add;
     container_class->remove = gtk_pizza_remove;


@@ -163,12 +218,27 @@ gtk_pizza_class_init (GtkPizzaClass *klass)
     klass->set_scroll_adjustments = gtk_pizza_scroll_set_adjustments;
 
     widget_class->set_scroll_adjustments_signal =
     klass->set_scroll_adjustments = gtk_pizza_scroll_set_adjustments;
 
     widget_class->set_scroll_adjustments_signal =

+#if __WXGTK20__
+        g_signal_new(
+            "set_scroll_adjustments",
+            G_TYPE_FROM_CLASS(object_class),
+            G_SIGNAL_RUN_LAST,
+            G_STRUCT_OFFSET(GtkPizzaClass, set_scroll_adjustments),
+            NULL,
+            NULL,
+            g_cclosure_user_marshal_VOID__OBJECT_OBJECT,
+            G_TYPE_NONE,
+            2,
+            GTK_TYPE_ADJUSTMENT,
+            GTK_TYPE_ADJUSTMENT);
+#else

     gtk_signal_new ("set_scroll_adjustments",
                     GTK_RUN_LAST,
                     object_class->type,
                     GTK_SIGNAL_OFFSET (GtkPizzaClass, set_scroll_adjustments),
                     gtk_marshal_NONE__POINTER_POINTER,
                     GTK_TYPE_NONE, 2, GTK_TYPE_ADJUSTMENT, GTK_TYPE_ADJUSTMENT);
     gtk_signal_new ("set_scroll_adjustments",
                     GTK_RUN_LAST,
                     object_class->type,
                     GTK_SIGNAL_OFFSET (GtkPizzaClass, set_scroll_adjustments),
                     gtk_marshal_NONE__POINTER_POINTER,
                     GTK_TYPE_NONE, 2, GTK_TYPE_ADJUSTMENT, GTK_TYPE_ADJUSTMENT);

+#endif /* __WXGTK20__ */

 }
 
 static GtkType
 }
 
 static GtkType


@@ -190,7 +260,7 @@ gtk_pizza_init (GtkPizza *pizza)
     pizza->height = 20;
 
     pizza->bin_window = NULL;
     pizza->height = 20;
 
     pizza->bin_window = NULL;

-    
+

     pizza->xoffset = 0;
     pizza->yoffset = 0;
 
     pizza->xoffset = 0;
     pizza->yoffset = 0;
 


@@ -200,7 +270,8 @@ gtk_pizza_init (GtkPizza *pizza)
     pizza->visibility = GDK_VISIBILITY_PARTIAL;
 
     pizza->clear_on_draw = TRUE;
     pizza->visibility = GDK_VISIBILITY_PARTIAL;
 
     pizza->clear_on_draw = TRUE;

-    pizza->use_filter = FALSE;
+    pizza->use_filter = TRUE;
+    pizza->external_expose = FALSE;

 }
 
 GtkWidget*
 }
 
 GtkWidget*


@@ -222,7 +293,7 @@ gtk_pizza_scroll_set_adjustments (GtkPizza     *pizza,
 }
 
 void
 }
 
 void

-gtk_pizza_set_shadow_type (GtkPizza      *pizza,
+gtk_pizza_set_shadow_type (GtkPizza        *pizza,

                            GtkMyShadowType  type)
 {
     g_return_if_fail (pizza != NULL);
                            GtkMyShadowType  type)
 {
     g_return_if_fail (pizza != NULL);


@@ -241,8 +312,8 @@ gtk_pizza_set_shadow_type (GtkPizza      *pizza,
 }
 
 void
 }
 
 void

-gtk_pizza_set_clear (GtkPizza     *pizza,
-                     gboolean        clear)
+gtk_pizza_set_clear (GtkPizza  *pizza,
+                     gboolean   clear)

 {
     g_return_if_fail (pizza != NULL);
     g_return_if_fail (GTK_IS_PIZZA (pizza));
 {
     g_return_if_fail (pizza != NULL);
     g_return_if_fail (GTK_IS_PIZZA (pizza));


@@ -250,23 +321,33 @@ gtk_pizza_set_clear (GtkPizza     *pizza,
     pizza->clear_on_draw = clear;
 }
 
     pizza->clear_on_draw = clear;
 }
 

-void       
-gtk_pizza_set_filter (GtkPizza          *pizza,
-                      gboolean           use)
+void
+gtk_pizza_set_filter (GtkPizza  *pizza,
+                      gboolean   use)

 {
     g_return_if_fail (pizza != NULL);
     g_return_if_fail (GTK_IS_PIZZA (pizza));
 
     pizza->use_filter = use;
 {
     g_return_if_fail (pizza != NULL);
     g_return_if_fail (GTK_IS_PIZZA (pizza));
 
     pizza->use_filter = use;

-}      
-                                       
+}
+
+void
+gtk_pizza_set_external (GtkPizza  *pizza,
+                        gboolean   expose)
+{
+    g_return_if_fail (pizza != NULL);
+    g_return_if_fail (GTK_IS_PIZZA (pizza));
+
+    pizza->external_expose = expose;
+}
+

 void
 void

-gtk_pizza_put (GtkPizza    *pizza,
-                 GtkWidget     *widget,
-                 gint         x,
-                 gint         y,
-                 gint         width,
-                 gint         height)
+gtk_pizza_put (GtkPizza   *pizza,
+               GtkWidget  *widget,
+               gint        x,
+               gint        y,
+               gint        width,
+               gint        height)

 {
     GtkPizzaChild *child_info;
 
 {
     GtkPizzaChild *child_info;
 


@@ -284,37 +365,24 @@ gtk_pizza_put (GtkPizza    *pizza,
 
     pizza->children = g_list_append (pizza->children, child_info);
 
 
     pizza->children = g_list_append (pizza->children, child_info);
 

-    gtk_widget_set_parent (widget, GTK_WIDGET (pizza));
-

     if (GTK_WIDGET_REALIZED (pizza))
       gtk_widget_set_parent_window (widget, pizza->bin_window);
 
     if (GTK_WIDGET_REALIZED (pizza))
       gtk_widget_set_parent_window (widget, pizza->bin_window);
 

+    gtk_widget_set_parent (widget, GTK_WIDGET (pizza));
+
+#ifndef __WXGTK20__ /* FIXME? */

     if (!IS_ONSCREEN (x, y))
        GTK_PRIVATE_SET_FLAG (widget, GTK_IS_OFFSCREEN);
     if (!IS_ONSCREEN (x, y))
        GTK_PRIVATE_SET_FLAG (widget, GTK_IS_OFFSCREEN);

-
-/*
-    if (GTK_WIDGET_REALIZED (pizza))
-        gtk_widget_realize (widget);
-*/
+#endif

 
     gtk_widget_set_usize (widget, width, height);
 
     gtk_widget_set_usize (widget, width, height);

-
-/*
-    if (GTK_WIDGET_VISIBLE (pizza) && GTK_WIDGET_VISIBLE (widget))
-    {
-        if (GTK_WIDGET_MAPPED (pizza))
-            gtk_widget_map (widget);
-
-        gtk_widget_queue_resize (widget);
-    }
-*/

 }
 
 void
 }
 
 void

-gtk_pizza_move (GtkPizza    *pizza,
-                  GtkWidget     *widget,
-                  gint         x,
-                  gint         y)
+gtk_pizza_move (GtkPizza     *pizza,
+                  GtkWidget  *widget,
+                  gint        x,
+                  gint        y)

 {
     GtkPizzaChild *child;
     GList *children;
 {
     GtkPizzaChild *child;
     GList *children;


@@ -336,7 +404,7 @@ gtk_pizza_move (GtkPizza    *pizza,
 
             child->x = x;
             child->y = y;
 
             child->x = x;
             child->y = y;

-
+            

             if (GTK_WIDGET_VISIBLE (widget) && GTK_WIDGET_VISIBLE (pizza))
                 gtk_widget_queue_resize (widget);
             break;
             if (GTK_WIDGET_VISIBLE (widget) && GTK_WIDGET_VISIBLE (pizza))
                 gtk_widget_queue_resize (widget);
             break;


@@ -345,10 +413,10 @@ gtk_pizza_move (GtkPizza    *pizza,
 }
 
 void
 }
 
 void

-gtk_pizza_resize (GtkPizza     *pizza,
-                    GtkWidget      *widget,
-                    gint         width,
-                    gint         height)
+gtk_pizza_resize (GtkPizza    *pizza,
+                  GtkWidget   *widget,
+                  gint         width,
+                  gint         height)

 {
     GtkPizzaChild *child;
     GList *children;
 {
     GtkPizzaChild *child;
     GList *children;


@@ -381,12 +449,12 @@ gtk_pizza_resize (GtkPizza     *pizza,
 }
 
 void
 }
 
 void

-gtk_pizza_set_size (GtkPizza    *pizza,
-                      GtkWidget     *widget,
-                      gint        x,
-                      gint         y,
-                      gint         width,
-                      gint         height)
+gtk_pizza_set_size (GtkPizza   *pizza,
+                    GtkWidget  *widget,
+                    gint        x,
+                    gint        y,
+                    gint        width,
+                    gint        height)

 {
     GtkPizzaChild *child;
     GList *children;
 {
     GtkPizzaChild *child;
     GList *children;


@@ -423,6 +491,33 @@ gtk_pizza_set_size (GtkPizza    *pizza,
     }
 }
 
     }
 }
 

+gint
+gtk_pizza_child_resized  (GtkPizza   *pizza,
+                          GtkWidget  *widget)
+{
+    GtkPizzaChild *child;
+    GList *children;
+
+    g_return_val_if_fail (pizza != NULL, FALSE);
+    g_return_val_if_fail (GTK_IS_PIZZA (pizza), FALSE);
+    g_return_val_if_fail (widget != NULL, FALSE);
+
+    children = pizza->children;
+    while (children)
+    {
+        child = children->data;
+        children = children->next;
+
+        if (child->widget == widget)
+        {
+            return ((child->width == widget->allocation.width) &&
+                    (child->height == widget->allocation.height));
+        }
+    }
+
+    return FALSE;
+}
+

 static void
 gtk_pizza_map (GtkWidget *widget)
 {
 static void
 gtk_pizza_map (GtkWidget *widget)
 {


@@ -444,7 +539,11 @@ gtk_pizza_map (GtkWidget *widget)
 
         if ( GTK_WIDGET_VISIBLE (child->widget) &&
             !GTK_WIDGET_MAPPED (child->widget) &&
 
         if ( GTK_WIDGET_VISIBLE (child->widget) &&
             !GTK_WIDGET_MAPPED (child->widget) &&

+#ifdef __WXGTK20__
+            TRUE)
+#else

             !GTK_WIDGET_IS_OFFSCREEN (child->widget))
             !GTK_WIDGET_IS_OFFSCREEN (child->widget))

+#endif

         {
             gtk_widget_map (child->widget);
         }
         {
             gtk_widget_map (child->widget);
         }


@@ -467,7 +566,6 @@ gtk_pizza_realize (GtkWidget *widget)
     g_return_if_fail (GTK_IS_PIZZA (widget));
 
     pizza = GTK_PIZZA (widget);
     g_return_if_fail (GTK_IS_PIZZA (widget));
 
     pizza = GTK_PIZZA (widget);

-

     GTK_WIDGET_SET_FLAGS (widget, GTK_REALIZED);
 
     attributes.window_type = GDK_WINDOW_CHILD;
     GTK_WIDGET_SET_FLAGS (widget, GTK_REALIZED);
 
     attributes.window_type = GDK_WINDOW_CHILD;


@@ -477,18 +575,20 @@ gtk_pizza_realize (GtkWidget *widget)
     attributes.width = widget->allocation.width;
     attributes.height = widget->allocation.height;
 
     attributes.width = widget->allocation.width;
     attributes.height = widget->allocation.height;
 

+#ifndef __WXUNIVERSAL__

     if (pizza->shadow_type == GTK_MYSHADOW_NONE)
     {
         /* no border, no changes to sizes */
     if (pizza->shadow_type == GTK_MYSHADOW_NONE)
     {
         /* no border, no changes to sizes */

-    } else
-    if (pizza->shadow_type == GTK_MYSHADOW_THIN)
+    }
+    else if (pizza->shadow_type == GTK_MYSHADOW_THIN)

     {
         /* GTK_MYSHADOW_THIN == wxSIMPLE_BORDER */
         attributes.x += 1;
         attributes.y += 1;
         attributes.width -= 2;
         attributes.height -= 2;
     {
         /* GTK_MYSHADOW_THIN == wxSIMPLE_BORDER */
         attributes.x += 1;
         attributes.y += 1;
         attributes.width -= 2;
         attributes.height -= 2;

-    } else
+    }
+    else

     {
         /* GTK_MYSHADOW_IN == wxSUNKEN_BORDER */
         /* GTK_MYSHADOW_OUT == wxRAISED_BORDER */
     {
         /* GTK_MYSHADOW_IN == wxSUNKEN_BORDER */
         /* GTK_MYSHADOW_OUT == wxRAISED_BORDER */


@@ -497,6 +597,7 @@ gtk_pizza_realize (GtkWidget *widget)
         attributes.width -= 4;
         attributes.height -= 4;
     }
         attributes.width -= 4;
         attributes.height -= 4;
     }

+#endif /* __WXUNIVERSAL__ */

 
     /* minimal size */
     if (attributes.width < 2) attributes.width = 2;
 
     /* minimal size */
     if (attributes.width < 2) attributes.width = 2;


@@ -505,8 +606,7 @@ gtk_pizza_realize (GtkWidget *widget)
     attributes.wclass = GDK_INPUT_OUTPUT;
     attributes.visual = gtk_widget_get_visual (widget);
     attributes.colormap = gtk_widget_get_colormap (widget);
     attributes.wclass = GDK_INPUT_OUTPUT;
     attributes.visual = gtk_widget_get_visual (widget);
     attributes.colormap = gtk_widget_get_colormap (widget);

-    attributes.event_mask =
-       GDK_VISIBILITY_NOTIFY_MASK;
+    attributes.event_mask = GDK_VISIBILITY_NOTIFY_MASK;

     attributes_mask = GDK_WA_X | GDK_WA_Y | GDK_WA_VISUAL | GDK_WA_COLORMAP;
 
     widget->window = gdk_window_new(gtk_widget_get_parent_window (widget),
     attributes_mask = GDK_WA_X | GDK_WA_Y | GDK_WA_VISUAL | GDK_WA_COLORMAP;
 
     widget->window = gdk_window_new(gtk_widget_get_parent_window (widget),


@@ -517,21 +617,23 @@ gtk_pizza_realize (GtkWidget *widget)
     attributes.y = 0;
 
     attributes.event_mask = gtk_widget_get_events (widget);
     attributes.y = 0;
 
     attributes.event_mask = gtk_widget_get_events (widget);

-    attributes.event_mask |=
-       GDK_EXPOSURE_MASK        |
-       GDK_POINTER_MOTION_MASK        |
-       GDK_POINTER_MOTION_HINT_MASK  |
-       GDK_BUTTON_MOTION_MASK        |
-       GDK_BUTTON1_MOTION_MASK        |
-       GDK_BUTTON2_MOTION_MASK        |
-       GDK_BUTTON3_MOTION_MASK        |
-       GDK_BUTTON_PRESS_MASK        |
-       GDK_BUTTON_RELEASE_MASK        |
-       GDK_KEY_PRESS_MASK        |
-       GDK_KEY_RELEASE_MASK        |
-       GDK_ENTER_NOTIFY_MASK        |
-       GDK_LEAVE_NOTIFY_MASK        |
-       GDK_FOCUS_CHANGE_MASK;
+    attributes.event_mask |= GDK_EXPOSURE_MASK              |
+#ifdef __WXGTK20__
+                             GDK_SCROLL_MASK                |
+#endif
+                             GDK_POINTER_MOTION_MASK        |
+                             GDK_POINTER_MOTION_HINT_MASK   |
+                             GDK_BUTTON_MOTION_MASK         |
+                             GDK_BUTTON1_MOTION_MASK        |
+                             GDK_BUTTON2_MOTION_MASK        |
+                             GDK_BUTTON3_MOTION_MASK        |
+                             GDK_BUTTON_PRESS_MASK          |
+                             GDK_BUTTON_RELEASE_MASK        |
+                             GDK_KEY_PRESS_MASK             |
+                             GDK_KEY_RELEASE_MASK           |
+                             GDK_ENTER_NOTIFY_MASK          |
+                             GDK_LEAVE_NOTIFY_MASK          |
+                             GDK_FOCUS_CHANGE_MASK;

 
     pizza->bin_window = gdk_window_new(widget->window,
                                           &attributes, attributes_mask);
 
     pizza->bin_window = gdk_window_new(widget->window,
                                           &attributes, attributes_mask);


@@ -539,11 +641,18 @@ gtk_pizza_realize (GtkWidget *widget)
 
     widget->style = gtk_style_attach (widget->style, widget->window);
     gtk_style_set_background (widget->style, widget->window, GTK_STATE_NORMAL);
 
     widget->style = gtk_style_attach (widget->style, widget->window);
     gtk_style_set_background (widget->style, widget->window, GTK_STATE_NORMAL);

-    gtk_style_set_background (widget->style, pizza->bin_window, GTK_STATE_NORMAL);
+    gtk_style_set_background (widget->style, pizza->bin_window, GTK_STATE_NORMAL );
+ 
+/*
+    gdk_window_set_back_pixmap( widget->window, NULL, FALSE );
+    gdk_window_set_back_pixmap( pizza->bin_window, NULL, FALSE );
+*/

 
 

+#ifndef __WXGTK20__

     /* add filters for intercepting visibility and expose events */
     gdk_window_add_filter (widget->window, gtk_pizza_main_filter, pizza);
     gdk_window_add_filter (pizza->bin_window, gtk_pizza_filter, pizza);
     /* add filters for intercepting visibility and expose events */
     gdk_window_add_filter (widget->window, gtk_pizza_main_filter, pizza);
     gdk_window_add_filter (pizza->bin_window, gtk_pizza_filter, pizza);

+#endif

 
     /* we NEED gravity or we'll give up */
     gravity_works = gdk_window_set_static_gravities (pizza->bin_window, TRUE);
 
     /* we NEED gravity or we'll give up */
     gravity_works = gdk_window_set_static_gravities (pizza->bin_window, TRUE);


@@ -562,24 +671,24 @@ gtk_pizza_realize (GtkWidget *widget)
 static void
 gtk_pizza_unrealize (GtkWidget *widget)
 {
 static void
 gtk_pizza_unrealize (GtkWidget *widget)
 {

-  GtkPizza *pizza;
+    GtkPizza *pizza;

 
 

-  g_return_if_fail (widget != NULL);
-  g_return_if_fail (GTK_IS_PIZZA (widget));
+    g_return_if_fail (widget != NULL);
+    g_return_if_fail (GTK_IS_PIZZA (widget));

 
 

-  pizza = GTK_PIZZA (widget);
+    pizza = GTK_PIZZA (widget);

 
 

-  gdk_window_set_user_data (pizza->bin_window, NULL);
-  gdk_window_destroy (pizza->bin_window);
-  pizza->bin_window = NULL;
+    gdk_window_set_user_data (pizza->bin_window, NULL);
+    gdk_window_destroy (pizza->bin_window);
+    pizza->bin_window = NULL;

 
 

-  if (GTK_WIDGET_CLASS (parent_class)->unrealize)
-    (* GTK_WIDGET_CLASS (parent_class)->unrealize) (widget);
+    if (GTK_WIDGET_CLASS (pizza_parent_class)->unrealize)
+       (* GTK_WIDGET_CLASS (pizza_parent_class)->unrealize) (widget);

 }
 
 static void
 gtk_pizza_size_request (GtkWidget      *widget,
 }
 
 static void
 gtk_pizza_size_request (GtkWidget      *widget,

-                          GtkRequisition *requisition)
+                        GtkRequisition *requisition)

 {
     GtkPizza *pizza;
     GtkPizzaChild *child;
 {
     GtkPizza *pizza;
     GtkPizzaChild *child;


@@ -612,7 +721,7 @@ gtk_pizza_size_request (GtkWidget      *widget,
 
 static void
 gtk_pizza_size_allocate (GtkWidget     *widget,
 
 static void
 gtk_pizza_size_allocate (GtkWidget     *widget,

-                           GtkAllocation *allocation)
+                         GtkAllocation *allocation)

 {
     GtkPizza *pizza;
     gint border;
 {
     GtkPizza *pizza;
     gint border;


@@ -653,14 +762,18 @@ gtk_pizza_size_allocate (GtkWidget     *widget,
         child = children->data;
         children = children->next;
 
         child = children->data;
         children = children->next;
 

+#ifndef __WXGTK20__

         gtk_pizza_position_child (pizza, child);
         gtk_pizza_position_child (pizza, child);

+#endif

         gtk_pizza_allocate_child (pizza, child);
     }
 }
 
         gtk_pizza_allocate_child (pizza, child);
     }
 }
 

+#ifndef __WXGTK20__
+

 static void
 gtk_pizza_draw (GtkWidget    *widget,
 static void
 gtk_pizza_draw (GtkWidget    *widget,

-                  GdkRectangle *area)
+                GdkRectangle *area)

 {
     GtkPizza *pizza;
     GtkPizzaChild *child;
 {
     GtkPizza *pizza;
     GtkPizzaChild *child;


@@ -672,6 +785,10 @@ gtk_pizza_draw (GtkWidget    *widget,
 
     pizza = GTK_PIZZA (widget);
 
 
     pizza = GTK_PIZZA (widget);
 

+    /* Sometimes, We handle all expose events in window.cpp now. */
+    if (pizza->external_expose)
+        return;
+

     children = pizza->children;
     if ( !(GTK_WIDGET_APP_PAINTABLE (widget)) &&
          (pizza->clear_on_draw))
     children = pizza->children;
     if ( !(GTK_WIDGET_APP_PAINTABLE (widget)) &&
          (pizza->clear_on_draw))


@@ -690,14 +807,18 @@ gtk_pizza_draw (GtkWidget    *widget,
     }
 }
 
     }
 }
 

+#endif /* __WXGTK20__ */
+

 static gint
 gtk_pizza_expose (GtkWidget      *widget,
 static gint
 gtk_pizza_expose (GtkWidget      *widget,

-                    GdkEventExpose *event)
+                  GdkEventExpose *event)

 {
     GtkPizza *pizza;
 {
     GtkPizza *pizza;

+#ifndef __WXGTK20__

     GtkPizzaChild *child;
     GdkEventExpose child_event;
     GList *children;
     GtkPizzaChild *child;
     GdkEventExpose child_event;
     GList *children;

+#endif

 
     g_return_val_if_fail (widget != NULL, FALSE);
     g_return_val_if_fail (GTK_IS_PIZZA (widget), FALSE);
 
     g_return_val_if_fail (widget != NULL, FALSE);
     g_return_val_if_fail (GTK_IS_PIZZA (widget), FALSE);


@@ -708,6 +829,18 @@ gtk_pizza_expose (GtkWidget      *widget,
     if (event->window != pizza->bin_window)
         return FALSE;
 
     if (event->window != pizza->bin_window)
         return FALSE;
 

+    /* We handle all expose events in window.cpp now. */
+    if (pizza->external_expose)
+        return FALSE;
+
+#ifdef __WXGTK20__
+
+    (* GTK_WIDGET_CLASS (pizza_parent_class)->expose_event) (widget, event);
+    
+    return FALSE;
+    
+#else
+

     children = pizza->children;
     while (children)
     {
     children = pizza->children;
     while (children)
     {


@@ -723,8 +856,22 @@ gtk_pizza_expose (GtkWidget      *widget,
             gtk_widget_event (child->widget, (GdkEvent*) &child_event);
         }
     }
             gtk_widget_event (child->widget, (GdkEvent*) &child_event);
         }
     }

+    
+    return TRUE;
+    
+#endif
+}

 
 

-    return FALSE;
+static void
+gtk_pizza_style_set(GtkWidget *widget, GtkStyle  *previous_style)
+{
+    if (GTK_WIDGET_REALIZED(widget))
+    {
+        gtk_style_set_background(widget->style, widget->window, GTK_STATE_NORMAL);
+        gtk_style_set_background(widget->style, GTK_PIZZA(widget)->bin_window, GTK_STATE_NORMAL );
+    }
+
+    (* GTK_WIDGET_CLASS (pizza_parent_class)->style_set) (widget, previous_style);

 }
 
 static void
 }
 
 static void


@@ -740,7 +887,7 @@ gtk_pizza_add (GtkContainer *container,
 
 static void
 gtk_pizza_remove (GtkContainer *container,
 
 static void
 gtk_pizza_remove (GtkContainer *container,

-                    GtkWidget    *widget)
+                  GtkWidget    *widget)

 {
     GtkPizza *pizza;
     GtkPizzaChild *child;
 {
     GtkPizza *pizza;
     GtkPizzaChild *child;


@@ -771,7 +918,9 @@ gtk_pizza_remove (GtkContainer *container,
             /* security checks */
             g_return_if_fail (GTK_IS_WIDGET (widget));
 
             /* security checks */
             g_return_if_fail (GTK_IS_WIDGET (widget));
 

+#ifndef __WXGTK20__

             GTK_PRIVATE_UNSET_FLAG (widget, GTK_IS_OFFSCREEN);
             GTK_PRIVATE_UNSET_FLAG (widget, GTK_IS_OFFSCREEN);

+#endif

 
             break;
         }
 
             break;
         }


@@ -782,9 +931,9 @@ gtk_pizza_remove (GtkContainer *container,
 
 static void
 gtk_pizza_forall (GtkContainer *container,
 
 static void
 gtk_pizza_forall (GtkContainer *container,

-                   gboolean         include_internals,
-                   GtkCallback   callback,
-                   gpointer      callback_data)
+                  gboolean      include_internals,
+                  GtkCallback   callback,
+                  gpointer      callback_data)

 {
     GtkPizza *pizza;
     GtkPizzaChild *child;
 {
     GtkPizza *pizza;
     GtkPizzaChild *child;


@@ -792,7 +941,7 @@ gtk_pizza_forall (GtkContainer *container,
 
     g_return_if_fail (container != NULL);
     g_return_if_fail (GTK_IS_PIZZA (container));
 
     g_return_if_fail (container != NULL);
     g_return_if_fail (GTK_IS_PIZZA (container));

-    g_return_if_fail (callback != NULL);
+    g_return_if_fail (callback != (GtkCallback)NULL);

 
     pizza = GTK_PIZZA (container);
 
 
     pizza = GTK_PIZZA (container);
 


@@ -806,45 +955,9 @@ gtk_pizza_forall (GtkContainer *container,
     }
 }
 
     }
 }
 

-
-/* Operations on children
- */
-
-static void
-gtk_pizza_position_child (GtkPizza      *pizza,
-                           GtkPizzaChild *child)
-{
-    gint x;
-    gint y;
-
-    x = child->x - pizza->xoffset;
-    y = child->y - pizza->yoffset;
-
-    if (IS_ONSCREEN (x,y))
-    {
-        if (GTK_WIDGET_MAPPED (pizza) &&
-          GTK_WIDGET_VISIBLE (child->widget))
-        {
-            if (!GTK_WIDGET_MAPPED (child->widget))
-                gtk_widget_map (child->widget);
-        }
-
-        if (GTK_WIDGET_IS_OFFSCREEN (child->widget))
-            GTK_PRIVATE_UNSET_FLAG (child->widget, GTK_IS_OFFSCREEN);
-    }
-    else
-    {
-        if (!GTK_WIDGET_IS_OFFSCREEN (child->widget))
-            GTK_PRIVATE_SET_FLAG (child->widget, GTK_IS_OFFSCREEN);
-
-        if (GTK_WIDGET_MAPPED (child->widget))
-            gtk_widget_unmap (child->widget);
-    }
-}
-

 static void
 gtk_pizza_allocate_child (GtkPizza      *pizza,
 static void
 gtk_pizza_allocate_child (GtkPizza      *pizza,

-                           GtkPizzaChild *child)
+                          GtkPizzaChild *child)

 {
     GtkAllocation allocation;
     GtkRequisition requisition;
 {
     GtkAllocation allocation;
     GtkRequisition requisition;


@@ -858,21 +971,6 @@ gtk_pizza_allocate_child (GtkPizza      *pizza,
     gtk_widget_size_allocate (child->widget, &allocation);
 }
 
     gtk_widget_size_allocate (child->widget, &allocation);
 }
 

-static void
-gtk_pizza_position_children (GtkPizza *pizza)
-{
-    GList *tmp_list;
-
-    tmp_list = pizza->children;
-    while (tmp_list)
-    {
-        GtkPizzaChild *child = tmp_list->data;
-        tmp_list = tmp_list->next;
-
-        gtk_pizza_position_child (pizza, child);
-    }
-}
-

 static void
 gtk_pizza_adjust_allocations_recurse (GtkWidget *widget,
                                        gpointer   cb_data)
 static void
 gtk_pizza_adjust_allocations_recurse (GtkWidget *widget,
                                        gpointer   cb_data)


@@ -920,49 +1018,68 @@ gtk_pizza_adjust_allocations (GtkPizza *pizza,
     }
 }
 
     }
 }
 

-/* Callbacks */
-
-/* Send a synthetic expose event to the widget
- */
+#ifndef __WXGTK20__

 static void
 static void

-gtk_pizza_expose_area (GtkPizza    *pizza,
-                        gint x, gint y, gint width, gint height)
+gtk_pizza_position_child (GtkPizza      *pizza,
+                          GtkPizzaChild *child)

 {
 {

-    if (pizza->visibility == GDK_VISIBILITY_UNOBSCURED)
-    {
-        GdkEventExpose event;
+    gint x;
+    gint y;

 
 

-        event.type = GDK_EXPOSE;
-        event.send_event = TRUE;
-        event.window = pizza->bin_window;
-        event.count = 0;
+    x = child->x - pizza->xoffset;
+    y = child->y - pizza->yoffset;

 
 

-        event.area.x = x;
-        event.area.y = y;
-        event.area.width = width;
-        event.area.height = height;
+    if (IS_ONSCREEN (x,y))
+    {
+        if (GTK_WIDGET_MAPPED (pizza) &&
+          GTK_WIDGET_VISIBLE (child->widget))
+        {
+            if (!GTK_WIDGET_MAPPED (child->widget))
+                gtk_widget_map (child->widget);
+        }

 
 

-        gdk_window_ref (event.window);
-        gtk_widget_event (GTK_WIDGET (pizza), (GdkEvent *)&event);
-        gdk_window_unref (event.window);
+        if (GTK_WIDGET_IS_OFFSCREEN (child->widget))
+            GTK_PRIVATE_UNSET_FLAG (child->widget, GTK_IS_OFFSCREEN);
+    }
+    else
+    {
+        if (!GTK_WIDGET_IS_OFFSCREEN (child->widget))
+            GTK_PRIVATE_SET_FLAG (child->widget, GTK_IS_OFFSCREEN);
+
+        if (GTK_WIDGET_MAPPED (child->widget))
+            gtk_widget_unmap (child->widget);

     }
 }
 
     }
 }
 

-/* This function is used to find events to process while scrolling
- */
+static void
+gtk_pizza_position_children (GtkPizza *pizza)
+{
+    GList *tmp_list;

 
 

+    tmp_list = pizza->children;
+    while (tmp_list)
+    {
+        GtkPizzaChild *child = tmp_list->data;
+        tmp_list = tmp_list->next;
+
+        gtk_pizza_position_child (pizza, child);
+    }
+}
+
+/* This function is used to find events to process while scrolling */

 static Bool
 gtk_pizza_expose_predicate (Display *display,
                   XEvent  *xevent,
                   XPointer arg)
 {
 static Bool
 gtk_pizza_expose_predicate (Display *display,
                   XEvent  *xevent,
                   XPointer arg)
 {

-  if ((xevent->type == Expose) ||
-      ((xevent->xany.window == *(Window *)arg) &&
+    if ((xevent->type == Expose) ||
+       ((xevent->xany.window == *(Window *)arg) &&

        (xevent->type == ConfigureNotify)))
        (xevent->type == ConfigureNotify)))

-    return True;
-  else
-    return False;
+        return True;
+    else
+        return False;

 }
 }

+#endif /* __WXGTK20__ */

 
 /* This is the main routine to do the scrolling. Scrolling is
  * done by "Guffaw" scrolling, as in the Mozilla XFE, with
 
 /* This is the main routine to do the scrolling. Scrolling is
  * done by "Guffaw" scrolling, as in the Mozilla XFE, with


@@ -979,40 +1096,50 @@ gtk_pizza_expose_predicate (Display *display,
 void
 gtk_pizza_scroll (GtkPizza *pizza, gint dx, gint dy)
 {
 void
 gtk_pizza_scroll (GtkPizza *pizza, gint dx, gint dy)
 {

-  GtkWidget *widget;
-  XEvent xevent;
+#ifdef __WXGTK20__
+    pizza->xoffset += dx;
+    pizza->yoffset += dy;

 
 

-  gint x,y,w,h,border;
+    gtk_pizza_adjust_allocations (pizza, -dx, -dy);
+
+    if (pizza->bin_window)
+        gdk_window_scroll( pizza->bin_window, -dx, -dy );
+#else
+    GtkWidget *widget;
+    XEvent xevent;
+    XID win;

 
 

-  widget = GTK_WIDGET (pizza);
+    gint x,y,w,h,border;

 
 

-  pizza->xoffset += dx;
-  pizza->yoffset += dy;
+    widget = GTK_WIDGET (pizza);

 
 

-  if (!GTK_WIDGET_MAPPED (pizza))
+    pizza->xoffset += dx;
+    pizza->yoffset += dy;
+
+    if (!GTK_WIDGET_MAPPED (pizza))

     {
     {

-      gtk_pizza_position_children (pizza);
-      return;
+        gtk_pizza_position_children (pizza);
+        return;

     }
 
     }
 

-  gtk_pizza_adjust_allocations (pizza, -dx, -dy);
+    gtk_pizza_adjust_allocations (pizza, -dx, -dy);

 
 

-  if (pizza->shadow_type == GTK_MYSHADOW_NONE)
-    border = 0;
-  else
-  if (pizza->shadow_type == GTK_MYSHADOW_THIN)
-    border = 1;
-  else
-    border = 2;
+    if (pizza->shadow_type == GTK_MYSHADOW_NONE)
+        border = 0;
+    else
+    if (pizza->shadow_type == GTK_MYSHADOW_THIN)
+        border = 1;
+    else
+        border = 2;

 
 

-  x = 0;
-  y = 0;
-  w = widget->allocation.width - 2*border;
-  h = widget->allocation.height - 2*border;
+    x = 0;
+    y = 0;
+    w = widget->allocation.width - 2*border;
+    h = widget->allocation.height - 2*border;

 
 

-  if (dx > 0)
+    if (dx > 0)

     {
     {

-      if (gravity_works)
+        if (gravity_works)

         {
           gdk_window_resize (pizza->bin_window,
                              w + dx,
         {
           gdk_window_resize (pizza->bin_window,
                              w + dx,


@@ -1020,20 +1147,14 @@ gtk_pizza_scroll (GtkPizza *pizza, gint dx, gint dy)
           gdk_window_move   (pizza->bin_window, x-dx, y);
           gdk_window_move_resize (pizza->bin_window, x, y, w, h );
         }
           gdk_window_move   (pizza->bin_window, x-dx, y);
           gdk_window_move_resize (pizza->bin_window, x, y, w, h );
         }

-      else
+        else

         {
           /* FIXME */
         }
         {
           /* FIXME */
         }

-
-      gtk_pizza_expose_area (pizza,
-                              MAX ((gint)w - dx, 0),
-                              0,
-                              MIN (dx, w),
-                              h);

     }
     }

-  else if (dx < 0)
+    else if (dx < 0)

     {
     {

-      if (gravity_works)
+        if (gravity_works)

         {
           gdk_window_move_resize (pizza->bin_window,
                                   x + dx,
         {
           gdk_window_move_resize (pizza->bin_window,
                                   x + dx,


@@ -1043,107 +1164,83 @@ gtk_pizza_scroll (GtkPizza *pizza, gint dx, gint dy)
           gdk_window_move   (pizza->bin_window, x, y);
           gdk_window_resize (pizza->bin_window, w, h );
         }
           gdk_window_move   (pizza->bin_window, x, y);
           gdk_window_resize (pizza->bin_window, w, h );
         }

-      else
+        else

         {
           /* FIXME */
         }
         {
           /* FIXME */
         }

-
-      gtk_pizza_expose_area (pizza,
-                              0,
-                              0,
-                              MIN (-dx, w),
-                              h);

     }
 
     }
 

-  if (dy > 0)
+    if (dy > 0)

     {
     {

-      if (gravity_works)
+        if (gravity_works)

         {
           gdk_window_resize (pizza->bin_window, w, h + dy);
           gdk_window_move   (pizza->bin_window, x, y-dy);
           gdk_window_move_resize (pizza->bin_window,
                                   x, y, w, h );
         }
         {
           gdk_window_resize (pizza->bin_window, w, h + dy);
           gdk_window_move   (pizza->bin_window, x, y-dy);
           gdk_window_move_resize (pizza->bin_window,
                                   x, y, w, h );
         }

-      else
+        else

         {
           /* FIXME */
         }
         {
           /* FIXME */
         }

-
-      gtk_pizza_expose_area (pizza,
-                              0,
-                              MAX ((gint)h - dy, 0),
-                              w,
-                              MIN (dy, h));

     }
     }

-  else if (dy < 0)
+    else if (dy < 0)

     {
     {

-      if (gravity_works)
+        if (gravity_works)

         {
           gdk_window_move_resize (pizza->bin_window,
                                   x, y+dy, w, h - dy );
           gdk_window_move   (pizza->bin_window, x, y);
           gdk_window_resize (pizza->bin_window, w, h );
         }
         {
           gdk_window_move_resize (pizza->bin_window,
                                   x, y+dy, w, h - dy );
           gdk_window_move   (pizza->bin_window, x, y);
           gdk_window_resize (pizza->bin_window, w, h );
         }

-      else
+        else

         {
           /* FIXME */
         }
         {
           /* FIXME */
         }

-      gtk_pizza_expose_area (pizza,
-                              0,
-                              0,
-                              w,
-                              MIN (-dy, (gint)h));

     }
 
     }
 

-  gtk_pizza_position_children (pizza);
-
-  /* We have to make sure that all exposes from this scroll get
-   * processed before we scroll again, or the expose events will
-   * have invalid coordinates.
-   *
-   * We also do expose events for other windows, since otherwise
-   * their updating will fall behind the scrolling
-   *
-   * This also avoids a problem in pre-1.0 GTK where filters don't
-   * have access to configure events that were compressed.
-   */
-
-  gdk_flush();
-  while (XCheckIfEvent(GDK_WINDOW_XDISPLAY (pizza->bin_window),
-                       &xevent,
-                       gtk_pizza_expose_predicate,
-                       (XPointer)&GDK_WINDOW_XWINDOW (pizza->bin_window)))
+    gtk_pizza_position_children (pizza);
+
+    gdk_flush();
+
+    win = GDK_WINDOW_XWINDOW (pizza->bin_window);
+    while (XCheckIfEvent(GDK_WINDOW_XDISPLAY (pizza->bin_window),
+                         &xevent,
+                         gtk_pizza_expose_predicate,
+                         (XPointer)&win))

     {
     {

-      GdkEvent event;
-      GtkWidget *event_widget;
+        GdkEvent event;
+        GtkWidget *event_widget;

 
 

-      if ((xevent.xany.window == GDK_WINDOW_XWINDOW (pizza->bin_window)) &&
-          (gtk_pizza_filter (&xevent, &event, pizza) == GDK_FILTER_REMOVE))
-        continue;
+        if ((xevent.xany.window == GDK_WINDOW_XWINDOW (pizza->bin_window)) )
+            gtk_pizza_filter (&xevent, &event, pizza);

 
 

-      if (xevent.type == Expose)
+        if (xevent.type == Expose)

         {
         {

-          event.expose.window = gdk_window_lookup (xevent.xany.window);
-          gdk_window_get_user_data (event.expose.window,
+            event.expose.window = gdk_window_lookup (xevent.xany.window);
+            gdk_window_get_user_data (event.expose.window,

                                     (gpointer *)&event_widget);
 
                                     (gpointer *)&event_widget);
 

-          if (event_widget)
+            if (event_widget)

             {
             {

-              event.expose.type = GDK_EXPOSE;
-              event.expose.area.x = xevent.xexpose.x;
-              event.expose.area.y = xevent.xexpose.y;
-              event.expose.area.width = xevent.xexpose.width;
-              event.expose.area.height = xevent.xexpose.height;
-              event.expose.count = xevent.xexpose.count;
-
-              gdk_window_ref (event.expose.window);
-              gtk_widget_event (event_widget, &event);
-              gdk_window_unref (event.expose.window);
+                event.expose.type = GDK_EXPOSE;
+                event.expose.area.x = xevent.xexpose.x;
+                event.expose.area.y = xevent.xexpose.y;
+                event.expose.area.width = xevent.xexpose.width;
+                event.expose.area.height = xevent.xexpose.height;
+                event.expose.count = xevent.xexpose.count;
+
+                gdk_window_ref (event.expose.window);
+                gtk_widget_event (event_widget, &event);
+                gdk_window_unref (event.expose.window);

             }
         }
     }
             }
         }
     }

+#endif /* __WXGTK20__ */

 }
 
 }
 

+
+#ifndef __WXGTK20__

 /* The main event filter. Actually, we probably don't really need
  * to install this as a filter at all, since we are calling it
  * directly above in the expose-handling hack. But in case scrollbars
 /* The main event filter. Actually, we probably don't really need
  * to install this as a filter at all, since we are calling it
  * directly above in the expose-handling hack. But in case scrollbars


@@ -1163,34 +1260,29 @@ gtk_pizza_filter (GdkXEvent *gdk_xevent,
     GtkPizza *pizza;
 
     xevent = (XEvent *)gdk_xevent;
     GtkPizza *pizza;
 
     xevent = (XEvent *)gdk_xevent;

-    
+

     pizza = GTK_PIZZA (data);
     pizza = GTK_PIZZA (data);

-    
-  switch (xevent->type)
+
+    if (!pizza->use_filter)
+        return GDK_FILTER_CONTINUE;
+
+    switch (xevent->type)

     {
     {

-    case Expose:
-      if (xevent->xexpose.serial == pizza->configure_serial)
-        {
-          if (pizza->visibility == GDK_VISIBILITY_UNOBSCURED)
-            return GDK_FILTER_REMOVE;
-          else
+        case Expose:
+            if (xevent->xexpose.serial == pizza->configure_serial)

             {
             {

-              xevent->xexpose.x += pizza->scroll_x;
-              xevent->xexpose.y += pizza->scroll_y;
-
-              break;
+                xevent->xexpose.x += pizza->scroll_x;
+                xevent->xexpose.y += pizza->scroll_y;

             }
             }

-        }
-      break;
+            break;

 
 

-    case ConfigureNotify:
-       if ((xevent->xconfigure.x != 0) || (xevent->xconfigure.y != 0))
-        {
-          pizza->configure_serial = xevent->xconfigure.serial;
-          pizza->scroll_x = xevent->xconfigure.x;
-          pizza->scroll_y = xevent->xconfigure.y;
-        }
-      break;
+        case ConfigureNotify:
+            {
+                pizza->configure_serial = xevent->xconfigure.serial;
+                pizza->scroll_x = xevent->xconfigure.x;
+                pizza->scroll_y = xevent->xconfigure.y;
+            }
+            break;

     }
 
     return GDK_FILTER_CONTINUE;
     }
 
     return GDK_FILTER_CONTINUE;


@@ -1211,6 +1303,9 @@ gtk_pizza_main_filter (GdkXEvent *gdk_xevent,
     xevent = (XEvent *)gdk_xevent;
     pizza = GTK_PIZZA (data);
 
     xevent = (XEvent *)gdk_xevent;
     pizza = GTK_PIZZA (data);
 

+    if (!pizza->use_filter)
+        return GDK_FILTER_CONTINUE;
+

     if (xevent->type == VisibilityNotify)
     {
         switch (xevent->xvisibility.state)
     if (xevent->type == VisibilityNotify)
     {
         switch (xevent->xvisibility.state)


@@ -1227,14 +1322,13 @@ gtk_pizza_main_filter (GdkXEvent *gdk_xevent,
                 pizza->visibility = GDK_VISIBILITY_UNOBSCURED;
                 break;
         }
                 pizza->visibility = GDK_VISIBILITY_UNOBSCURED;
                 break;
         }

-        
+

         return GDK_FILTER_REMOVE;
     }
 
     return GDK_FILTER_CONTINUE;
 }
         return GDK_FILTER_REMOVE;
     }
 
     return GDK_FILTER_CONTINUE;
 }

-
-
+#endif /* __WXGTK20__ */

 
 
 #ifdef __cplusplus
 
 
 #ifdef __cplusplus