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