Sets a new value to the #GtkSourceSpaceDrawer:matrix property, as a #GVariant. If @matrix is %NULL, then an empty array is set.
If @matrix is floating, it is consumed.
The gtk_source_space_drawer_set_types_for_locations() function may be more convenient to use.
the new matrix value, or %NULL.
3.24
See Implementation
Sets a new value to the #GtkSourceSpaceDrawer:matrix property, as a #GVariant. If @matrix is %NULL, then an empty array is set.
If @matrix is floating, it is consumed.
The gtk_source_space_drawer_set_types_for_locations() function may be more convenient to use.