2 files changed, 69 insertions, 0 deletions
diff --git a/PerlQt/tutorials/t7/LCDRange.pm b/PerlQt/tutorials/t7/LCDRange.pm
new file mode 100644
index 0000000..8a79e39
--- /dev/null
+++ b/PerlQt/tutorials/t7/LCDRange.pm
@@ -0,0 +1,29 @@
+package LCDRange;
+use strict;
+use Qt;
+use Qt::isa qw(Qt::VBox);
+use Qt::slots setValue => ['int'];
+use Qt::signals valueChanged => ['int'];
+use Qt::attributes qw(slider);
+
+sub NEW {
+    shift->SUPER::NEW(@_);
+
+    my $lcd = Qt::LCDNumber(2, this, "lcd");
+
+    my $slider = Qt::Slider(&Horizontal, this, "slider");
+    slider = $slider;
+    slider->setRange(0, 99);
+    slider->setValue(0);
+    $lcd->connect(slider, SIGNAL('valueChanged(int)'), SLOT('display(int)'));
+    this->connect(slider, SIGNAL('valueChanged(int)'), SIGNAL('valueChanged(int)'));
+}
+
+sub value { slider->value }
+
+sub setValue {
+    my $value = shift;
+    slider->setValue($value);
+}
+
+1;
diff --git a/PerlQt/tutorials/t7/t7.pl b/PerlQt/tutorials/t7/t7.pl
new file mode 100644
index 0000000..c798e28
--- /dev/null
+++ b/PerlQt/tutorials/t7/t7.pl
@@ -0,0 +1,40 @@
+#!/usr/bin/perl -w
+use strict;
+use blib;
+
+package MyWidget;
+use Qt;
+use Qt::isa qw(Qt::VBox);
+
+use LCDRange;
+
+sub NEW {
+    shift->SUPER::NEW(@_);
+
+    my $quit = Qt::PushButton("Quit", this, "quit");
+    $quit->setFont(Qt::Font("Times", 18, &Qt::Font::Bold));
+
+    Qt::app->connect($quit, SIGNAL('clicked()'), SLOT('quit()'));
+
+    my $grid = Qt::Grid(4, this);
+
+    my $previous;
+    for my $r (0..3) {
+	for my $c (0..3) {
+	    my $lr = LCDRange($grid);
+	    $previous->connect(
+		$lr, SIGNAL('valueChanged(int)'),
+		SLOT('setValue(int)')) if $previous;
+	    $previous = $lr;
+	}
+    }
+}
+
+package main;
+use MyWidget;
+
+my $a = Qt::Application(\@ARGV);
+my $w = MyWidget;
+$a->setMainWidget($w);
+$w->show;
+exit $a->exec;