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.\" ========================================================================
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.IX Title "Curses::UI::Checkbox 3pm"
.TH Curses::UI::Checkbox 3pm "2021-01-01" "perl v5.32.0" "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"
Curses::UI::Checkbox \- Create and manipulate checkbox widgets
.SH "VERSION"
.IX Header "VERSION"
Version 1.11
.SH "CLASS HIERARCHY"
.IX Header "CLASS HIERARCHY"
.Vb 5
\& Curses::UI::Widget
\&    |
\&    +\-\-\-\-Curses::UI::Container
\&            |
\&            +\-\-\-\-Curses::UI::Checkbox
.Ve
.SH "SYNOPSIS"
.IX Header "SYNOPSIS"
.Vb 3
\&    use Curses::UI;
\&    my $cui = new Curses::UI;
\&    my $win = $cui\->add(\*(Aqwindow_id\*(Aq, \*(AqWindow\*(Aq);
\&
\&    my $checkbox = $win\->add(
\&        \*(Aqmycheckbox\*(Aq, \*(AqCheckbox\*(Aq,
\&        \-label     => \*(AqSay hello to the world\*(Aq,
\&        \-checked   => 1,
\&    );
\&
\&    $checkbox\->focus();
\&    my $checked = $checkbox\->get();
.Ve
.SH "DESCRIPTION"
.IX Header "DESCRIPTION"
Curses::UI::Checkbox provides a checkbox widget.
.PP
A checkbox is a control for a boolean value (an on/off toggle). It
consists of a box which will either be empty (indicating \fBoff\fR or
\&\fBfalse\fR) or contain an \f(CW\*(C`X\*(C'\fR (indicating \fBon\fR or \fBtrue\fR). Following
this is a text label which described the value being controlled.
.PP
.Vb 2
\&    [X] This checkbox is on/true/checked/selected
\&    [ ] This checkbox is off/false/unchecked/deselected
.Ve
.PP
See exampes/demo\-Curses::UI::Checkbox in the distribution for a short
demo.
.SH "STANDARD OPTIONS"
.IX Header "STANDARD OPTIONS"
.Vb 6
\&    \-x  \-y   \-width    \-height
\&    \-pad     \-padleft  \-padright  \-padtop  \-padbottom
\&    \-ipad    \-ipadleft \-ipadright \-ipadtop \-ipadbottom
\&    \-title   \-titlefullwidth      \-titlereverse
\&    \-onfocus \-onblur
\&    \-parent
.Ve
.PP
See Curses::UI::Widget for an explanation of
these.
.SH "WIDGET-SPECIFIC OPTIONS"
.IX Header "WIDGET-SPECIFIC OPTIONS"
.SS "\-label"
.IX Subsection "-label"
Sets the initial label for the checkbox widget to the passed string or
value.
.SS "\-checked"
.IX Subsection "-checked"
Takes a boolean argument. Determines if the widget's initial state is
checked or unchecked.  The default is false (unchecked).
.SS "\-onchange"
.IX Subsection "-onchange"
Expects a coderef and sets it as a callback for the widget. When the
checkbox's state is changed, the given code will be executed.
.SH "STANDARD METHODS"
.IX Header "STANDARD METHODS"
.Vb 2
\&    layout draw    intellidraw
\&    focus  onFocus onBlur
.Ve
.PP
See Curses::UI::Widget for an explanation of
these.
.SH "WIDGET-SPECIFIC METHODS"
.IX Header "WIDGET-SPECIFIC METHODS"
.SS "get"
.IX Subsection "get"
Returns the current state of the checkbox (0 == unchecked, 1 ==
checked).
.SS "check"
.IX Subsection "check"
Sets the checkbox to \*(L"checked\*(R".
.SS "uncheck"
.IX Subsection "uncheck"
Sets the checkbox to \*(L"unchecked\*(R".
.SS "toggle"
.IX Subsection "toggle"
Flip-flops the checkbox to its \*(L"other\*(R" state. If the checkbox is
unchecked then it will become checked, and vice versa.
.SS "onChange"
.IX Subsection "onChange"
This method can be used to set the \f(CW\*(C`\-onchange\*(C'\fR event handler (see
above) after initialization of the checkbox. It expects a coderef as
its argument.
.SH "DEFAULT BINDINGS"
.IX Header "DEFAULT BINDINGS"
.ie n .IP """[TAB]"", ""[ENTER}""" 4
.el .IP "\f(CW[TAB]\fR, \f(CW[ENTER}\fR" 4
.IX Item "[TAB], [ENTER}"
Call the 'loose\-focus' routine, causing the widget to lose focus.
.ie n .IP """[SPACE]""" 4
.el .IP "\f(CW[SPACE]\fR" 4
.IX Item "[SPACE]"
Call the \*(L"toggle\*(R" method.
.ie n .IP "0, ""n""" 4
.el .IP "\f(CW0\fR, \f(CWn\fR" 4
.IX Item "0, n"
Call the \*(L"uncheck\*(R" method.
.ie n .IP "1, ""y""" 4
.el .IP "\f(CW1\fR, \f(CWy\fR" 4
.IX Item "1, y"
Call the \*(L"check\*(R" method.
.SH "SEE ALSO"
.IX Header "SEE ALSO"
Curses::UI,
Curses::UI::Widget,
Curses::UI::Common
.SH "AUTHOR"
.IX Header "AUTHOR"
Shawn Boyette \f(CW\*(C`<mdxi@cpan.org>\*(C'\fR
.SH "COPYRIGHT & LICENSE"
.IX Header "COPYRIGHT & LICENSE"
Copyright 2001\-2002 Maurice Makaay; 2003\-2006 Marcus Thiesen; 2007
Shawn Boyette. All Rights Reserved.
.PP
This program is free software; you can redistribute it and/or modify
it under the same terms as Perl itself.
.PP
This package is free software and is provided \*(L"as is\*(R" without express
or implied warranty. It may be used, redistributed and/or modified
under the same terms as perl itself.