@param w The width component of the new size for the client.
@param h The height component of the new size for the client.
@param logicalw Returns the width component of the new logical width.
+ This value is only returned when the new w or h calculated
+ differ from the ones passed in.
@param logicalh Returns the height component of the new logical height.
+ This value is only returned when the new w or h calculated
+ differ from the ones passed in.
@param user Specifies whether this is a user-requested change or a
program requested change. For program requested changes, the
constraints are not checked.