diff -r 5223de7979e2 -r d51e334c1439 ui/gtk/container.c
--- a/ui/gtk/container.c	Thu Aug 20 17:14:27 2015 +0200
+++ b/ui/gtk/container.c	Sat Oct 10 15:29:31 2015 +0200
@@ -123,6 +123,13 @@
         ct->layout.newline = FALSE;
     }
     
+    if(ct->layout.fill != UI_LAYOUT_UNDEFINED) {
+        fill = ui_lb2bool(ct->layout.fill);
+    }
+    if(fill) {
+        gtk_widget_set_hexpand(widget, TRUE);
+    }
+    
     gtk_grid_attach(GTK_GRID(ct->widget), widget, grid->x, grid->y, 1, 1);
     grid->x++;
     
@@ -202,10 +209,17 @@
 }
 
 UIWIDGET ui_grid(UiObject *obj) {
+    return ui_grid_sp(obj, 0, 0);
+}
+
+UIWIDGET ui_grid_sp(UiObject *obj, int columnspacing, int rowspacing) {
     UiContainer *ct = uic_get_current_container(obj);
     
 #ifdef UI_GTK3
     GtkWidget *grid = gtk_grid_new();
+    gtk_grid_set_column_spacing(GTK_GRID(grid), columnspacing);
+    gtk_grid_set_row_spacing(GTK_GRID(grid), rowspacing); 
+    
 #elif defined(UI_GTK2)
     GtkWidget *grid = gtk_table_new(1, 1, FALSE);
 #endif