# Change header 2.pl: following James: http://www.perlmonks.org/?node_
+id=1025552

use strict;
use warnings;
use Wx;
 use 5.014;
 use autodie; 
 use Carp;
 use Carp qw {cluck};
 use Carp::Always; 

package MyFrame;
   use Wx ':everything';
   use Wx ':listctrl';
   use Wx::Event 'EVT_BUTTON';
   use parent -norequire, 'Wx::Frame';
   sub new {     #1    MyFrame::
       my ($class, $parent, $title) = @_;
      my $self = $class->SUPER::new(
         $parent,    -1,         # parent window; ID -1 means any
         $title,  # title
         [150, 150 ],    # position
         [ 350, 400 ],    # size
      );
      my $panel = Wx::Panel->new($self);
        my $itemCol = Wx::ListItem->new;
        $itemCol->SetText('Column 1');
        my $f = Wx::Font->new(12, -1, wxNORMAL, wxBOLD, 0, 'Arial');
        $itemCol->SetFont($f);
      $self->{list_control} = 
                    Wx::ListCtrl->new($panel, -1, wxDefaultPosition, [
+320,100], wxLC_REPORT);    # create a list control
        $self->{list_control}->InsertColumn(0, $itemCol);
        $self->{list_control}->SetColumnWidth(0, 100);
        $itemCol->SetText('Column 2');
        $self->{list_control}->InsertColumn(1, $itemCol);
        $self->{list_control}->SetColumnWidth(1, 100);
        $itemCol->SetText('Column 3');
        $self->{list_control}->InsertColumn(2, $itemCol);
        $self->{list_control}->SetColumnWidth(2, 100);
        $self->{list_control}->InsertStringItem( 0, 'Data 1' );
        $self->{list_control}->SetItem( 0, 1, 'Data 3');
        $self->{list_control}->InsertStringItem( 1, 'Data 2' );
        $self->{list_control}->SetItem( 1, 1, 'Data 4');
        my $btn_header = Wx::Button->new($panel, -1, 'Change header', 
+wxDefaultPosition, wxDefaultSize);
        my $btn_item = Wx::Button->new($panel, -1, 'Change item font',
+ wxDefaultPosition, wxDefaultSize);
        my $btn_header2 = Wx::Button->new($panel, -1, 'Change header2 
+font', wxDefaultPosition, wxDefaultSize);
        EVT_BUTTON ($self, $btn_header, sub { $self->{list_control}->M
+yFrame::on_header });
        EVT_BUTTON ($self, $btn_item, sub { $self->{list_control}->MyF
+rame::on_item });
        EVT_BUTTON ($self, $btn_header2, sub { $self->{list_control}->
+MyFrame::on_item });
      my $sizer = Wx::BoxSizer->new(wxVERTICAL);
      $sizer->Add($self->{list_control}, 0, wxALL, 10);
        $sizer->Add($btn_header, 0, wxALL, 10);
        $sizer->Add($btn_item, 0, wxALL, 10);
        $sizer->Add($btn_header2, 0, wxALL, 10);
      $panel->SetSizer($sizer);
      $panel->Layout();
        return $self;
   }    #1 end sub new MyFrame::
    
    sub on_header {
        my $this = shift;
        say 'In on_header';
        my $column = $this->GetColumn(1);
        say '$column->GetText =', $column->GetText;
        $column->SetMask(wxLIST_MASK_TEXT);
        $column->SetText('NEW TITLE');
        my $f = Wx::Font->new(12, -1, wxNORMAL, wxBOLD, 0, 'times new 
+roman');
        $column->SetFont($f);
        $this->SetColumn(1, $column);
    } #1    end sub on_header
    sub on_item {
        my $this = shift;
        say 'In on_item';
        my $item = $this->GetItem(1);
        my $f = Wx::Font->new(12, -1, wxNORMAL, wxBOLD, 0, 'times new 
+roman');
        say "In on_item, \$this= $this, \$item = $item, \$f= $f";
      $item->SetFont($f);
        $this->SetItem($item);
    } #1    end sub on_item
    sub on_header2 {
        my $this = shift;
        say 'In on_header2';
        my $itemCol = Wx::ListItem->new;
        $itemCol->SetText('Column 2');
        my $f = Wx::Font->new(12, -1, wxNORMAL, wxBOLD, 0, 'Arial');
        $itemCol->SetFont($f);
        $this->SetColumn(1, $itemCol);
    } #1    end sub on_header2
# end package MyFrame::        

package main;
my $frame = MyFrame->new(undef, 'Setting headers');
$frame->Show(1);   
my $app = Wx::SimpleApp->new;
$app->MainLoop;

1;
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