serves as an out-of-bounds value when we need to indicate
"no cursor". NULL/0 doesn't work for this, because it
is actually a valid value for a Gdk::Cursor - it indicates
"use the parent window's cursor"
*/
serves as an out-of-bounds value when we need to indicate
"no cursor". NULL/0 doesn't work for this, because it
is actually a valid value for a Gdk::Cursor - it indicates
"use the parent window's cursor"
*/