From Code to Community: Sponsoring The Perl and Raku Conference 2025 Learn more

HANJE / Tk-ListBrowser-0.01 / lib / Tk / ListBrowser / List.pm 

            

              
1
—
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
—
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116

              
package Tk::ListBrowser::List;
=head1 NAME
Tk::ListBrowser - Tk::ListBrowser::List - List organizer for Tk::ListBrowser.
=head1 SYNOPSIS
 require Tk::ListBrowser;
 my $ib= $window->ListBrowser(@options,
    -arrange => 'list'
 )->pack;
 $ib->add('item_1', -image => $image1, -text => $text1);
 $ib->add('item_2', -image => $image2, -text => $text2);
 $ib->refresh;
=head1 DESCRIPTION
Contains all the drawing routines for L<Tk::ListBrowser> to
draw and navigate the list in a list organized manner.
No user serviceable parts inside.
=cut
use strict;
use warnings;
use vars qw ($VERSION);
$VERSION =  0.01;
use base qw(Tk::ListBrowser::Row);
sub new {
        my $class = shift;
        my $self = $class->SUPER::new(@_);
        return $self
}
sub KeyArrowNavig {
        my ($self, $dcol, $drow) = @_;
        return undef if $self->anchorInitialize;
        my $pool = $self->pool;
        my $i = $self->anchorGet;
        if ($drow eq 0) { #horizontal move
                my $col = $i->column;
                my $row = $i->row;
                if ($dcol > 0) { #to the right
                        $row ++
                } else { #to the left
                        $row --;
                }
                my $index = $self->indexColumnRow(0, $row);
                return $self->getIndex($index);
        } else { #vertical move
                my $index = $self->index($i->name);
                $index = $index + $drow;
                return $self->getIndex($index);
        }
}
sub nextPosition {
        my ($self, $x, $y, $column, $row) = @_;
        my $cellheight = $self->cellHeight;
        $y = $y + $cellheight + 1;
        $row ++;
        return ($x, $y, $column, $row)
}
sub scroll {
        return 'vertical'
}
sub type {
        return 'column'
}
=back
=head1 LICENSE
Same as Perl.
=head1 AUTHOR
Hans Jeuken (hanje at cpan dot org)
=head1 TODO
=over 4
=back
=head1 BUGS AND CAVEATS
If you find any bugs, please report them here: L<https://github.com/haje61/Tk-ListBrowser/issues>.
=head1 SEE ALSO
=over 4
=item L<Tk::ListBrowser>
=item L<Tk::ListBrowser::Bar>
=item L<Tk::ListBrowser::Column>
=item L<Tk::ListBrowser::Item>
=item L<Tk::ListBrowser::Row>
=back
=cut
1;