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package LCDRange;
use strict;
use Qt;
use Qt::isa qw(Qt::VBox);
use Qt::slots
setValue => ['int'],
setRange => ['int', 'int'],
setText => ['const char*'];
use Qt::signals
valueChanged => ['int'];
use Qt::attributes qw(
slider
label
);
sub NEW {
my $class = shift;
my $s;
$s = shift if $_[0] and not ref $_[0];
$class->SUPER::NEW(@_);
init();
setText($s) if $s;
}
sub init {
my $lcd = Qt::LCDNumber(2, this, "lcd");
slider = Qt::Slider(&Horizontal, this, "slider");
slider->setRange(0, 99);
slider->setValue(0);
label = Qt::Label(" ", this, "label");
label->setAlignment(&AlignCenter);
$lcd->connect(slider, SIGNAL('valueChanged(int)'), SLOT('display(int)'));
this->connect(slider, SIGNAL('valueChanged(int)'), SIGNAL('valueChanged(int)'));
setFocusProxy(slider);
}
sub value { slider->value }
sub text { label->text }
sub setValue { slider->setValue(shift) }
sub setRange {
my($minVal, $maxVal) = @_;
if($minVal < 0 || $maxVal > 99 || $minVal > $maxVal) {
warn "LCDRange::setRange($minVal,$maxVal)\n" .
"\tRange must be 0..99\n" .
"\tand minVal must not be greater than maxVal\n";
return;
}
slider->setRange($minVal, $maxVal);
}
sub setText { label->setText(shift) }
1;
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