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.\" ========================================================================
.\"
.IX Title "Gtk2::Adjustment 3pm"
.TH Gtk2::Adjustment 3pm "2019-09-16" "perl v5.28.1" "User Contributed Perl Documentation"
.\" For nroff, turn off justification.  Always turn off hyphenation; it makes
.\" way too many mistakes in technical documents.
.if n .ad l
.nh
.SH "NAME"
Gtk2::Adjustment \- wrapper for GtkAdjustment
.SH "HIERARCHY"
.IX Header "HIERARCHY"
.Vb 4
\&  Glib::Object
\&  +\-\-\-\-Glib::InitiallyUnowned
\&       +\-\-\-\-Gtk2::Object
\&            +\-\-\-\-Gtk2::Adjustment
.Ve
.SH "METHODS"
.IX Header "METHODS"
.ie n .SS "object = Gtk2::Adjustment\->\fBnew\fP ($value, $lower, $upper, $step_increment, $page_increment, $page_size)"
.el .SS "object = Gtk2::Adjustment\->\fBnew\fP ($value, \f(CW$lower\fP, \f(CW$upper\fP, \f(CW$step_increment\fP, \f(CW$page_increment\fP, \f(CW$page_size\fP)"
.IX Subsection "object = Gtk2::Adjustment->new ($value, $lower, $upper, $step_increment, $page_increment, $page_size)"
.IP "\(bu" 4
\&\f(CW$value\fR (double)
.IP "\(bu" 4
\&\f(CW$lower\fR (double)
.IP "\(bu" 4
\&\f(CW$upper\fR (double)
.IP "\(bu" 4
\&\f(CW$step_increment\fR (double)
.IP "\(bu" 4
\&\f(CW$page_increment\fR (double)
.IP "\(bu" 4
\&\f(CW$page_size\fR (double)
.ie n .SS "$adjustment\->\fBchanged\fP"
.el .SS "\f(CW$adjustment\fP\->\fBchanged\fP"
.IX Subsection "$adjustment->changed"
.ie n .SS "$adjustment\->\fBclamp_page\fP ($lower, $upper)"
.el .SS "\f(CW$adjustment\fP\->\fBclamp_page\fP ($lower, \f(CW$upper\fP)"
.IX Subsection "$adjustment->clamp_page ($lower, $upper)"
.IP "\(bu" 4
\&\f(CW$lower\fR (double)
.IP "\(bu" 4
\&\f(CW$upper\fR (double)
.ie n .SS "$adjustment\->\fBconfigure\fP ($value, $lower, $upper, $step_increment, $page_increment, $page_size)"
.el .SS "\f(CW$adjustment\fP\->\fBconfigure\fP ($value, \f(CW$lower\fP, \f(CW$upper\fP, \f(CW$step_increment\fP, \f(CW$page_increment\fP, \f(CW$page_size\fP)"
.IX Subsection "$adjustment->configure ($value, $lower, $upper, $step_increment, $page_increment, $page_size)"
.IP "\(bu" 4
\&\f(CW$value\fR (double)
.IP "\(bu" 4
\&\f(CW$lower\fR (double)
.IP "\(bu" 4
\&\f(CW$upper\fR (double)
.IP "\(bu" 4
\&\f(CW$step_increment\fR (double)
.IP "\(bu" 4
\&\f(CW$page_increment\fR (double)
.IP "\(bu" 4
\&\f(CW$page_size\fR (double)
.PP
Since: gtk+ 2.14
.ie n .SS "$adjustment\->\fBset_lower\fP ($newval)"
.el .SS "\f(CW$adjustment\fP\->\fBset_lower\fP ($newval)"
.IX Subsection "$adjustment->set_lower ($newval)"
.ie n .SS "$adjustment\->\fBset_page_increment\fP ($newval)"
.el .SS "\f(CW$adjustment\fP\->\fBset_page_increment\fP ($newval)"
.IX Subsection "$adjustment->set_page_increment ($newval)"
.ie n .SS "$adjustment\->\fBset_page_size\fP ($newval)"
.el .SS "\f(CW$adjustment\fP\->\fBset_page_size\fP ($newval)"
.IX Subsection "$adjustment->set_page_size ($newval)"
.ie n .SS "$adjustment\->\fBset_step_increment\fP ($newval)"
.el .SS "\f(CW$adjustment\fP\->\fBset_step_increment\fP ($newval)"
.IX Subsection "$adjustment->set_step_increment ($newval)"
.ie n .SS "$adjustment\->\fBset_upper\fP ($newval)"
.el .SS "\f(CW$adjustment\fP\->\fBset_upper\fP ($newval)"
.IX Subsection "$adjustment->set_upper ($newval)"
.IP "\(bu" 4
\&\f(CW$newval\fR (double)
.PP
These functions differ from the plain \f(CW\*(C`\->lower\*(C'\fR etc setters in that
they emit \f(CW\*(C`notify\*(C'\fR and \f(CW\*(C`changed\*(C'\fR signals if \f(CW$newval\fR is different from
the current value.
.PP
The corresponding \f(CW\*(C`get_lower\*(C'\fR etc are not wrapped because they're the
same as the \f(CW\*(C`lower\*(C'\fR etc field accessors above.
.PP
Since: gtk+ 2.14
.ie n .SS "double = $adjustment\->\fBvalue\fP"
.el .SS "double = \f(CW$adjustment\fP\->\fBvalue\fP"
.IX Subsection "double = $adjustment->value"
.ie n .SS "double = $adjustment\->\fBvalue\fP ($newval)"
.el .SS "double = \f(CW$adjustment\fP\->\fBvalue\fP ($newval)"
.IX Subsection "double = $adjustment->value ($newval)"
.ie n .SS "double = $adjustment\->\fBlower\fP"
.el .SS "double = \f(CW$adjustment\fP\->\fBlower\fP"
.IX Subsection "double = $adjustment->lower"
.ie n .SS "double = $adjustment\->\fBlower\fP ($newval)"
.el .SS "double = \f(CW$adjustment\fP\->\fBlower\fP ($newval)"
.IX Subsection "double = $adjustment->lower ($newval)"
.ie n .SS "double = $adjustment\->\fBupper\fP"
.el .SS "double = \f(CW$adjustment\fP\->\fBupper\fP"
.IX Subsection "double = $adjustment->upper"
.ie n .SS "double = $adjustment\->\fBupper\fP ($newval)"
.el .SS "double = \f(CW$adjustment\fP\->\fBupper\fP ($newval)"
.IX Subsection "double = $adjustment->upper ($newval)"
.ie n .SS "double = $adjustment\->\fBstep_increment\fP"
.el .SS "double = \f(CW$adjustment\fP\->\fBstep_increment\fP"
.IX Subsection "double = $adjustment->step_increment"
.ie n .SS "double = $adjustment\->\fBstep_increment\fP ($newval)"
.el .SS "double = \f(CW$adjustment\fP\->\fBstep_increment\fP ($newval)"
.IX Subsection "double = $adjustment->step_increment ($newval)"
.ie n .SS "double = $adjustment\->\fBpage_increment\fP"
.el .SS "double = \f(CW$adjustment\fP\->\fBpage_increment\fP"
.IX Subsection "double = $adjustment->page_increment"
.ie n .SS "double = $adjustment\->\fBpage_increment\fP ($newval)"
.el .SS "double = \f(CW$adjustment\fP\->\fBpage_increment\fP ($newval)"
.IX Subsection "double = $adjustment->page_increment ($newval)"
.ie n .SS "double = $adjustment\->\fBpage_size\fP"
.el .SS "double = \f(CW$adjustment\fP\->\fBpage_size\fP"
.IX Subsection "double = $adjustment->page_size"
.ie n .SS "double = $adjustment\->\fBpage_size\fP ($newval)"
.el .SS "double = \f(CW$adjustment\fP\->\fBpage_size\fP ($newval)"
.IX Subsection "double = $adjustment->page_size ($newval)"
.IP "\(bu" 4
\&\f(CW$newval\fR (double)
.PP
Get or set the six fields of a Gtk2::Adjustment.
.PP
The setter functions store \f(CW$newval\fR and return the old value.  Note
that they don't emit any signals; it's up to you to emit \*(L"notify\*(R"
(because the fields are also properties) and \*(L"changed\*(R" or
\&\*(L"value-changed\*(R", when you're ready.
.ie n .SS "$adjustment\->\fBvalue_changed\fP"
.el .SS "\f(CW$adjustment\fP\->\fBvalue_changed\fP"
.IX Subsection "$adjustment->value_changed"
.ie n .SS "double = $adjustment\->\fBget_value\fP"
.el .SS "double = \f(CW$adjustment\fP\->\fBget_value\fP"
.IX Subsection "double = $adjustment->get_value"
.ie n .SS "$adjustment\->\fBset_value\fP ($value)"
.el .SS "\f(CW$adjustment\fP\->\fBset_value\fP ($value)"
.IX Subsection "$adjustment->set_value ($value)"
.IP "\(bu" 4
\&\f(CW$value\fR (double)
.SH "PROPERTIES"
.IX Header "PROPERTIES"
.IP "'lower' (double : default 0 : readable / writable / private)" 4
.IX Item "'lower' (double : default 0 : readable / writable / private)"
The minimum value of the adjustment
.IP "'page\-increment' (double : default 0 : readable / writable / private)" 4
.IX Item "'page-increment' (double : default 0 : readable / writable / private)"
The page increment of the adjustment
.IP "'page\-size' (double : default 0 : readable / writable / private)" 4
.IX Item "'page-size' (double : default 0 : readable / writable / private)"
The page size of the adjustment
.IP "'step\-increment' (double : default 0 : readable / writable / private)" 4
.IX Item "'step-increment' (double : default 0 : readable / writable / private)"
The step increment of the adjustment
.IP "'upper' (double : default 0 : readable / writable / private)" 4
.IX Item "'upper' (double : default 0 : readable / writable / private)"
The maximum value of the adjustment
.IP "'value' (double : default 0 : readable / writable / private)" 4
.IX Item "'value' (double : default 0 : readable / writable / private)"
The value of the adjustment
.SH "SIGNALS"
.IX Header "SIGNALS"
.IP "\fBchanged\fR (Gtk2::Adjustment)" 4
.IX Item "changed (Gtk2::Adjustment)"
.PD 0
.IP "\fBvalue-changed\fR (Gtk2::Adjustment)" 4
.IX Item "value-changed (Gtk2::Adjustment)"
.PD
.SH "SEE ALSO"
.IX Header "SEE ALSO"
Gtk2, Glib::Object, Glib::InitiallyUnowned, Gtk2::Object
.SH "COPYRIGHT"
.IX Header "COPYRIGHT"
Copyright (C) 2003\-2011 by the gtk2\-perl team.
.PP
This software is licensed under the \s-1LGPL.\s0  See Gtk2 for a full notice.