Very new to perl. Manjaro linux, wx installed via cpanm. Very simple script

#!/usr/bin/perl -w

use strict;
use Wx;

my $backcolor = Wx::Colour->new('#123582');
my $butbackcol = Wx::Colour->new('#198cff');

## Button margin
my $l=5;

## Centre screen workaround
#my $cw=1366/2;
#my $ch=500/2;

package MyFrame;

use base 'Wx::Frame';
# import the event registration function
use Wx::Event qw(EVT_BUTTON);

sub new {
    
    my $ref = shift;
    my $self = $ref->SUPER::new( undef,              # parent window
                                 -1,                 # ID -1 means any
                                 'Variety Control',  # title
                                 [50, 50],         # default position
                                 [100, 150],         # size
                                 );

    my $panel = Wx::Panel->new( $self,            # parent window
                                -1,               # ID
                                );
    
    $panel->SetBackgroundColour($backcolor);
    
    my $button1 = Wx::Button->new( $panel,        # parent window
                                  -1,             # ID
                                  'Next >>',      # label
                                  [$l, 10],       # position
                                  [-1, -1],       # default size
                                  );

    # register the OnClick method as an handler for the
    # 'button clicked' event. The first argument is a Wx::EvtHandler
    # that receives the event
    #
    
    
    $button1->SetBackgroundColour($butbackcol);
    
    EVT_BUTTON( $self, $button1, \&OnClick1 );
    
    my $button2 = Wx::Button->new( $panel,         # parent window
                                  -1,              # ID
                                  '<<Previous',    # label
                                  [$l, 50],        # position
                                  [-1, -1],        # default size
                                  );
## Here is where I am having problems : 

$button2->SetForegroundColour(Wx::Colour->new(177,77,77));            
+  
   $button2->SetBackgroundColour(Wx::Colour->new(177,77,77));
   #$button2->SetBackgroundColour(Wx::Colour->new('red'));
    
    # register the OnClick method as an handler for the
    # 'button clicked' event. The first argument is a Wx::EvtHandler
    # that receives the event
    EVT_BUTTON( $self, $button2, \&OnClick2 );    
    
    my $button3 = Wx::Button->new( $panel,         # parent window
                                  -1,              # ID
                                  'Trash',         # label
                                  [$l, 90],        # position
                                  [-1, -1],        # default size
                                  );

    # register the OnClick method as an handler for the
    # 'button clicked' event. The first argument is a Wx::EvtHandler
    # that receives the event
    EVT_BUTTON( $self, $button3, \&OnClick3 );    

    return $self;
}

# this method receives as its first parameter the first argument
# passed to the EVT_BUTTON function. The second parameter
# always is a Wx::Event subclass
sub OnClick1 {
    my( $self, $event ) = @_;

    #$self->SetTitle( 'Clicked' );
     system("variety","-n");
}

sub OnClick2 {
    my( $self, $event ) = @_;

    #$self->SetTitle( 'Clicked' );
     system("variety","-p");
}

sub OnClick3 {
    my( $self, $event ) = @_;

    #$self->SetTitle( 'Clicked' );
     system("variety","-t");
}

package MyApp;

use base 'Wx::App';

sub OnInit {
    my $frame = MyFrame->new;
    $frame->Centre("wxBoth");


    $frame->Show( 1 );
}

package main;

my $app = MyApp->new;
$app->MainLoop;
[download]

To control variety wallpaper changer, playing with a simple example to expand my knowledge. wxperl

yaourt wx | grep -i installed
2 extra/wxgtk 3.0.2-2 [installed]
3 extra/wxgtk2.8 2.8.12.1-2 [installed]
11 community/wxsqlite3 3.1.1-1 [installed]
43 aur/perl-alien-wxwidgets 0.65-1 [installed] (43)
45 aur/perl-wx 0.9923-1 [installed] (35)
47 aur/perl-wx-perl-processstream 0.32-1 [installed] (8)
48 aur/perl-wx-scintilla 0.40_02-2 [installed] (5)
86 aur/wxformbuilder-bin 3.1.70-2 [installed] (3)
[download]

Is the best I can do. Steve

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