Fix all remaining GTK3 issues.

Work around the issue of GnomeCanvasItem amending its own flags to
GtkObject::flags (which is sealed) by giving it its own flags field.
This breaks libgnomecanvas ABI and API, but I see no other way.

1 files changed, 12 insertions, 5 deletions

diff --git a/libgnomecanvas/gnome-canvas-shape.c b/libgnomecanvas/gnome-canvas-shape.c
index 79d8124525..b951cbc014 100644
--- a/libgnomecanvas/gnome-canvas-shape.c
+++ b/libgnomecanvas/gnome-canvas-shape.c
@@ -648,12 +648,18 @@ gnome_canvas_shape_realize (GnomeCanvasItem *item)
 		(* parent_class->realize) (item);
 
 	if (!item->canvas->aa) {
+		GtkLayout *layout;
+		GdkWindow *bin_window;
+
 		gcbp_ensure_gdk (shape);
 
-		g_assert(item->canvas->layout.bin_window != NULL);
+		layout = GTK_LAYOUT (item->canvas);
+		bin_window = gtk_layout_get_bin_window (layout);
+
+		g_assert (bin_window != NULL);
 
-		shape->priv->gdk->fill_gc = gdk_gc_new (item->canvas->layout.bin_window);
-		shape->priv->gdk->outline_gc = gdk_gc_new (item->canvas->layout.bin_window);
+		shape->priv->gdk->fill_gc = gdk_gc_new (bin_window);
+		shape->priv->gdk->outline_gc = gdk_gc_new (bin_window);
 	}
 }
 
@@ -1428,10 +1434,11 @@ gcbp_ensure_mask (GnomeCanvasShape * shape, gint width, gint height)
 
 	if ((width > ctx->width) || (height > ctx->height)) {
 		/* Ctx is too small */
-
+		GtkWidget *widget;
 		GdkWindow * window;
 
-		window = ((GtkWidget *) (((GnomeCanvasItem *) shape)->canvas))->window;
+		widget = GTK_WIDGET (GNOME_CANVAS_ITEM (shape)->canvas);
+		window = gtk_widget_get_window (widget);
 
 		if (ctx->clear_gc) g_object_unref (ctx->clear_gc);
 		if (ctx->xor_gc) g_object_unref (ctx->xor_gc);