+void Layout::set_spacing(unsigned s)
+{
+ row_spacing = s;
+ col_spacing = s;
+ if(container)
+ update();
+}
+
+void Layout::set_row_spacing(unsigned s)
+{
+ row_spacing = s;
+ if(container)
+ update();
+}
+
+void Layout::set_column_spacing(unsigned s)
+{
+ col_spacing = s;
+ if(container)
+ update();
+}
+