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glib::paramspec

Glib::ParamSpec(3)					User Contributed Perl Documentation					Glib::ParamSpec(3)

NAME

       Glib::ParamSpec

DESCRIPTION

       Glib::ParamSpec encapsulates the metadata required to specify parameters.  You will see these most often when creating new Glib::Object
       types; see "Glib::Type->register" and Glib::Object::Subclass.

       Parameter specifications allow you to provide limits for validation as well as nicknames and blurbs to document the parameters.	Blurbs
       show up in reference documentation such as this page or the gtk+ C API reference; i'm not really sure where the nicknames get used.  The
       Perl bindings for the most part ignore the difference between dashes and underscores in the paramspec names, which typically find use as
       the actual keys for object parameters.

       It's worth noting that Glib offers various sizes of integer and floating point values, while Perl really only deals with full integers and
       double precision floating point values.	The size distinction is important for the underlying C libraries.

HIERARCHY

	 Glib::ParamSpec

METHODS

   paramspec = Glib::ParamSpec->IV ($name, $nick, $blurb, $minimum, $maximum, $default_value, $flags)
       o   $name (string)

       o   $nick (string)

       o   $blurb (string)

       o   $minimum (integer)

       o   $maximum (integer)

       o   $default_value (integer)

       o   $flags (Glib::ParamFlags)

   paramspec = Glib::ParamSpec->UV ($name, $nick, $blurb, $minimum, $maximum, $default_value, $flags)
       o   $name (string)

       o   $nick (string)

       o   $blurb (string)

       o   $minimum (unsigned)

       o   $maximum (unsigned)

       o   $default_value (unsigned)

       o   $flags (Glib::ParamFlags)

   string = $pspec->get_blurb
   paramspec = Glib::ParamSpec->boolean ($name, $nick, $blurb, $default_value, $flags)
       o   $name (string)

       o   $nick (string)

       o   $blurb (string)

       o   $default_value (boolean)

       o   $flags (Glib::ParamFlags)

   paramspec = Glib::ParamSpec->boxed ($name, $nick, $blurb, $package, $flags)
       o   $name (string)

       o   $nick (string)

       o   $blurb (string)

       o   $package (string) name of the class, derived from Glib::Boxed, of the objects this property will hold.

       o   $flags (Glib::ParamFlags)

   paramspec = Glib::ParamSpec->char ($name, $nick, $blurb, $minimum, $maximum, $default_value, $flags)
       o   $name (string)

       o   $nick (string)

       o   $blurb (string)

       o   $minimum (integer)

       o   $maximum (integer)

       o   $default_value (integer)

       o   $flags (Glib::ParamFlags)

   paramspec = Glib::ParamSpec->double ($name, $nick, $blurb, $minimum, $maximum, $default_value, $flags)
       o   $name (string)

       o   $nick (string)

       o   $blurb (string)

       o   $minimum (double)

       o   $maximum (double)

       o   $default_value (double)

       o   $flags (Glib::ParamFlags)

   paramspec = Glib::ParamSpec->enum ($name, $nick, $blurb, $enum_type, $default_value, $flags)
       o   $name (string)

       o   $nick (string)

       o   $blurb (string)

       o   $enum_type (string)

       o   $default_value (scalar)

       o   $flags (Glib::ParamFlags)

   paramspec = Glib::ParamSpec->flags ($name, $nick, $blurb, $flags_type, $default_value, $flags)
       o   $name (string)

       o   $nick (string)

       o   $blurb (string)

       o   $flags_type (string)

       o   $default_value (scalar)

       o   $flags (Glib::ParamFlags)

   paramflags = $pspec->get_flags
   paramspec = Glib::ParamSpec->float ($name, $nick, $blurb, $minimum, $maximum, $default_value, $flags)
       o   $name (string)

       o   $nick (string)

       o   $blurb (string)

       o   $minimum (double)

       o   $maximum (double)

       o   $default_value (double)

       o   $flags (Glib::ParamFlags)

   paramspec = Glib::ParamSpec->int ($name, $nick, $blurb, $minimum, $maximum, $default_value, $flags)
       o   $name (string)

       o   $nick (string)

       o   $blurb (string)

       o   $minimum (integer)

       o   $maximum (integer)

       o   $default_value (integer)

       o   $flags (Glib::ParamFlags)

   paramspec = Glib::ParamSpec->int64 ($name, $nick, $blurb, $minimum, $maximum, $default_value, $flags)
       o   $name (string)

       o   $nick (string)

       o   $blurb (string)

       o   $minimum (Glib::Int64)

       o   $maximum (Glib::Int64)

       o   $default_value (Glib::Int64)

       o   $flags (Glib::ParamFlags)

   paramspec = Glib::ParamSpec->long ($name, $nick, $blurb, $minimum, $maximum, $default_value, $flags)
       o   $name (string)

       o   $nick (string)

       o   $blurb (string)

       o   $minimum (integer)

       o   $maximum (integer)

       o   $default_value (integer)

       o   $flags (Glib::ParamFlags)

   string = $paramspec->get_name
       Dashes in the name are converted to underscores.

   string = $pspec->get_nick
   paramspec = Glib::ParamSpec->object ($name, $nick, $blurb, $package, $flags)
       o   $name (string)

       o   $nick (string)

       o   $blurb (string)

       o   $package (string) name of the class, derived from Glib::Object, of the objects this property will hold.

       o   $flags (Glib::ParamFlags)

   string = $pspec->get_owner_type
   paramspec = Glib::ParamSpec->param_spec ($name, $nick, $blurb, $package, $flags)
       o   $name (string)

       o   $nick (string)

       o   $blurb (string)

       o   $package (string) name of the class, derived from Glib::ParamSpec, of the objects this property will hold.

       o   $flags (Glib::ParamFlags)

   paramspec = Glib::ParamSpec->scalar ($name, $nick, $blurb, $flags)
       o   $name (string)

       o   $nick (string)

       o   $blurb (string)

       o   $flags (Glib::ParamFlags)

       ParamSpec to be used for any generic perl scalar, including references to complex objects.

   paramspec = Glib::ParamSpec->string ($name, $nick, $blurb, $default_value, $flags)
       o   $name (string)

       o   $nick (string)

       o   $blurb (string)

       o   $default_value (string)

       o   $flags (Glib::ParamFlags)

   paramspec = Glib::ParamSpec->uchar ($name, $nick, $blurb, $minimum, $maximum, $default_value, $flags)
       o   $name (string)

       o   $nick (string)

       o   $blurb (string)

       o   $minimum (unsigned)

       o   $maximum (unsigned)

       o   $default_value (unsigned)

       o   $flags (Glib::ParamFlags)

   paramspec = Glib::ParamSpec->uint ($name, $nick, $blurb, $minimum, $maximum, $default_value, $flags)
       o   $name (string)

       o   $nick (string)

       o   $blurb (string)

       o   $minimum (unsigned)

       o   $maximum (unsigned)

       o   $default_value (unsigned)

       o   $flags (Glib::ParamFlags)

   paramspec = Glib::ParamSpec->uint64 ($name, $nick, $blurb, $minimum, $maximum, $default_value, $flags)
       o   $name (string)

       o   $nick (string)

       o   $blurb (string)

       o   $minimum (Glib::UInt64)

       o   $maximum (Glib::UInt64)

       o   $default_value (Glib::UInt64)

       o   $flags (Glib::ParamFlags)

   paramspec = Glib::ParamSpec->ulong ($name, $nick, $blurb, $minimum, $maximum, $default_value, $flags)
       o   $name (string)

       o   $nick (string)

       o   $blurb (string)

       o   $minimum (unsigned)

       o   $maximum (unsigned)

       o   $default_value (unsigned)

       o   $flags (Glib::ParamFlags)

   paramspec = Glib::ParamSpec->unichar ($name, $nick, $blurb, $default_value, $flags)
       o   $name (string)

       o   $nick (string)

       o   $blurb (string)

       o   $default_value (character)

       o   $flags (Glib::ParamFlags)

   string = $pspec->get_value_type
   bool = $paramspec->value_validate ($value)
   (bool, newval) = $paramspec->value_validate ($value)
       o   $value (scalar)

       In scalar context return true if $value must be modified to be valid for $paramspec, or false if it's valid already.  In array context
       return also a new value which is $value made valid.

       $value must be the right type for $paramspec (with usual stringizing, numizing, etc).  "value_validate" checks the further restrictions
       such as minimum and maximum for a numeric type or allowed characters in a string.  The "made valid" return is then for instance clamped to
       the min/max, or offending chars replaced by a substitutor.

   integer = $pspec->values_cmp ($value1, $value2)
       o   $value1 (scalar)

       o   $value2 (scalar)

       Compares value1 with value2 according to pspec, and returns -1, 0 or +1, if value1 is found to be less than, equal to or greater than
       value2, respectively.

ENUMS AND FLAGS

   flags Glib::ParamFlags
       o   'readable' / 'G_PARAM_READABLE'

       o   'writable' / 'G_PARAM_WRITABLE'

       o   'construct' / 'G_PARAM_CONSTRUCT'

       o   'construct-only' / 'G_PARAM_CONSTRUCT_ONLY'

       o   'lax-validation' / 'G_PARAM_LAX_VALIDATION'

       o   'private' / 'G_PARAM_PRIVATE'

SEE ALSO

       Glib

COPYRIGHT

       Copyright (C) 2003-2009 by the gtk2-perl team.

       This software is licensed under the LGPL.  See Glib for a full notice.

perl v5.12.1							    2010-07-05							Glib::ParamSpec(3)