Use empty check consistent with other parts.

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

diff --git a/src/gtk/win_gtk.c b/src/gtk/win_gtk.c
index 5416e3f177f58d6d0e98c14ae830422eca2fed42..526fd5e116dda679fcca77a2d3ab08135b0abace 100644 (file)
--- a/src/gtk/win_gtk.c
+++ b/src/gtk/win_gtk.c
@@ -60,6 +60,8 @@ static void gtk_pizza_draw          (GtkWidget        *widget,
 #endif /* __WXGTK20__ */
 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,
@@ -102,10 +104,10 @@ static GtkContainerClass *pizza_parent_class = NULL;
 
 static gboolean gravity_works;
 
-guint
+GtkType
 gtk_pizza_get_type ()
 {
-    static guint pizza_type = 0;
+    static GtkType pizza_type = 0;
 
     if (!pizza_type)
     {
@@ -143,6 +145,47 @@ gtk_pizza_get_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)
 {
@@ -164,6 +207,7 @@ gtk_pizza_class_init (GtkPizzaClass *klass)
     widget_class->draw = gtk_pizza_draw;
 #endif
     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;
@@ -174,16 +218,27 @@ gtk_pizza_class_init (GtkPizzaClass *klass)
     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,
-#ifdef __WXGTK20__
-                    GTK_CLASS_TYPE(object_class),
-#else
                     object_class->type,
-#endif
                     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
@@ -587,7 +642,7 @@ 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);
     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 );
@@ -807,6 +862,18 @@ gtk_pizza_expose (GtkWidget      *widget,
 #endif
 }
 
+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
 gtk_pizza_add (GtkContainer *container,
                GtkWidget    *widget)