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package LCDRange;
use strict;
use TQt;
use TQt::isa qw(TQt::Widget);
use TQt::slots
setValue => ['int'],
setRange => ['int', 'int'],
setText => ['const char*'];
use TQt::signals
valueChanged => ['int'];
use TQt::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 = TQt::LCDNumber(2, this, "lcd");
slider = TQt::Slider(&Horizontal, this, "slider");
slider->setRange(0, 99);
slider->setValue(0);
label = TQt::Label(" ", this, "label");
label->setAlignment(&AlignCenter);
$lcd->connect(slider, TQ_SIGNAL('valueChanged(int)'), TQ_SLOT('display(int)'));
this->connect(slider, TQ_SIGNAL('valueChanged(int)'), TQ_SIGNAL('valueChanged(int)'));
setFocusProxy(slider);
my $l = TQt::VBoxLayout(this);
$l->addWidget($lcd, 1);
$l->addWidget(slider);
$l->addWidget(label);
}
sub value { slider->value }
sub text { label->text }
sub setValue { slider->setValue(shift) }
sub setRange {
my($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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