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KARASIK / Prima-1.76 / examples / pointers.pl 

            

              
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=pod
=head1 NAME
examples/pointers.pl - mouse pointer example
=head1 FEATURES
Demonstrates the usage of the mouse pointer functionality.
Note the custom pointer creation and its dynamic change ( the "User" button ).
=cut
use strict;
use warnings;
use Prima qw( StdBitmap Buttons Application);
package UserInit;
my $ph = Prima::Application-> get_system_value(sv::YPointer);
my $sc = $::application-> uiScaling;
$ph = $::application->font->height * 2 if $ph < $::application->font->height * 2;
my $w = Prima::MainWindow-> new(
        size    => [ 350 * $sc, 20 + ($ph+8)*15],
        left    => 200,
        text    => 'Pointers',
);
my %grep_out = (
        'BEGIN' => 1,
        'END' => 1,
        'AUTOLOAD' => 1,
        'constant' => 1
);
my @a = sort { &{$cr::{$a}}() <=> &{$cr::{$b}}()} grep { !exists $grep_out{$_}} keys %cr::;
shift @a;
$::application-> pointerVisible(0);
my $i = 1;
for my $c ( @a[0..$#a-1])
{
        my $p = eval("cr::$c");
        $w-> pointer( $p);
        my $b = $w-> insert( Button =>
                flat => 1,
                left    => (10 + (($i-1) % 2)*170) * $sc,
                width   => 160 * $sc,
                height  => $ph + 4,
                bottom  => $w-> height - int(($i+1)/2) * ($ph+8) - 10,
                pointer => $p,
                name    => $c,
                image   => $w-> pointerIcon,
                onClick => sub { $::application-> pointer( $_[0]-> pointer); },
        );
        $i++;
};
my $ptr = Prima::StdBitmap::icon( sbmp::DriveCDROM, argb => 0, copy => 1);
my $color_pointer = $::application->get_system_value(sv::ColorPointer);
my @mapset = map {
        my ($x,$r) = $ptr-> split;
        my $j = Prima::Icon-> new;
        $x-> begin_paint;
        $x-> text_out( $_, 3, 3);
        $x-> end_paint;
        $r-> begin_paint;
        $r-> text_out( $_, 3, 3);
        $r-> end_paint;
        if ( $color_pointer ) { # add alpha
                $r-> type(im::Byte);
                $r-> rop2(rop::CopyPut);
                $r->color(0xc0c0c0);
                $r->backColor(0);
                $r->map(0);
        }
        $j-> combine( $x, $r);
        $j;
} 1..4;
my $mapsetID = 0;
my $b = $w-> insert( SpeedButton =>
        left    => $sc * ( 10 + (($i-1) % 2)*170 ),
        width   => 160 * $sc,
        height  => $ph+4,
        bottom  => $w-> height - int(($i+1)/2) * ($ph+8) - 10,
        pointer => $mapset[-1],
        image   => $mapset[-1],
        text => $a[-1],
        flat => 1,
        onClick => sub {
                $::application-> pointer( $_[0]-> pointer);
        },
);
$b-> insert( Timer =>
        timeout => 1250,
        onTick  => sub {
                $b-> pointerIcon( $mapset[$mapsetID]);
                $b-> image( $mapset[$mapsetID]);
                $mapsetID++;
                $mapsetID = 0 if $mapsetID >= @mapset;
        },
)-> start;
$w-> pointer( cr::Default);
$::application-> pointerVisible(1);
Prima->run;