From bcc95cd92ca12c1783464b8ada6816d430dc0e98 Mon Sep 17 00:00:00 2001 From: Timothy Pearson Date: Sun, 18 Dec 2011 03:08:08 -0600 Subject: Initial import of libqt-perl (not yet TQt compatible) --- PerlQt/tutorials/t11/CannonField.pm | 146 ++++++++++++++++++++++++++++++++++++ PerlQt/tutorials/t11/LCDRange.pm | 43 +++++++++++ PerlQt/tutorials/t11/t11.pl | 71 ++++++++++++++++++ 3 files changed, 260 insertions(+) create mode 100644 PerlQt/tutorials/t11/CannonField.pm create mode 100644 PerlQt/tutorials/t11/LCDRange.pm create mode 100644 PerlQt/tutorials/t11/t11.pl (limited to 'PerlQt/tutorials/t11') diff --git a/PerlQt/tutorials/t11/CannonField.pm b/PerlQt/tutorials/t11/CannonField.pm new file mode 100644 index 0000000..7ddfb24 --- /dev/null +++ b/PerlQt/tutorials/t11/CannonField.pm @@ -0,0 +1,146 @@ +package CannonField; +use strict; +use Qt; +use Qt::isa qw(Qt::Widget); +use Qt::signals + angleChanged => ['int'], + forceChanged => ['int']; +use Qt::slots + setAngle => ['int'], + setForce => ['int'], + shoot => [], + moveShot => []; +use Qt::attributes qw( + ang + f + + timerCount + autoShootTimer + shoot_ang + shoot_f +); +use POSIX qw(atan); + +sub angle () { ang } +sub force () { f } + +sub NEW { + shift->SUPER::NEW(@_); + + ang = 45; + f = 0; + timerCount = 0; + autoShootTimer = Qt::Timer(this, "movement handler"); + this->connect(autoShootTimer, SIGNAL('timeout()'), SLOT('moveShot()')); + shoot_ang = 0; + shoot_f = 0; + setPalette(Qt::Palette(Qt::Color(250, 250, 200))); +} + +sub setAngle { + my $degrees = shift; + $degrees = 5 if $degrees < 5; + $degrees = 70 if $degrees > 70; + return if ang == $degrees; + ang = $degrees; + repaint(cannonRect(), 0); + emit angleChanged(ang); +} + +sub setForce { + my $newton = shift; + $newton = 0 if $newton < 0; + return if f == $newton; + f = $newton; + emit forceChanged(f); +} + +sub shoot { + return if autoShootTimer->isActive; + timerCount = 0; + shoot_ang = ang; + shoot_f = f; + autoShootTimer->start(50); +} + +sub moveShot { + my $r = Qt::Region(shotRect()); + timerCount++; + + my $shotR = shotRect(); + + if($shotR->x > width() || $shotR->y > height()) { + autoShootTimer->stop; + } else { + $r = $r->unite(Qt::Region($shotR)); + } + repaint($r); +} + +sub paintEvent { + my $e = shift; + my $updateR = $e->rect; + my $p = Qt::Painter(this); + + paintCannon($p) if $updateR->intersects(cannonRect()); + paintShot($p) if autoShootTimer->isActive and $updateR->intersects(shotRect()); +} + +sub paintShot { + my $p = shift; + $p->setBrush(&black); + $p->setPen(&NoPen); + $p->drawRect(shotRect()); +} + +my $barrelRect = Qt::Rect(33, -4, 15, 8); + +sub paintCannon { + my $p = shift; + my $cr = cannonRect(); + my $pix = Qt::Pixmap($cr->size); + $pix->fill(this, $cr->topLeft); + + my $tmp = Qt::Painter($pix); + $tmp->setBrush(&blue); + $tmp->setPen(&NoPen); + + $tmp->translate(0, $pix->height - 1); + $tmp->drawPie(Qt::Rect(-35, -35, 70, 70), 0, 90*16); + $tmp->rotate(- ang); + $tmp->drawRect($barrelRect); + $tmp->end; + + $p->drawPixmap($cr->topLeft, $pix); +} + +sub cannonRect { + my $r = Qt::Rect(0, 0, 50, 50); + $r->moveBottomLeft(rect()->bottomLeft); + return $r; +} + +sub shotRect { + my $gravity = 4; + + my $time = timerCount / 4.0; + my $velocity = shoot_f; + my $radians = shoot_ang*3.14159265/180; + + my $velx = $velocity*cos($radians); + my $vely = $velocity*sin($radians); + my $x0 = ($barrelRect->right + 5)*cos($radians); + my $y0 = ($barrelRect->right + 5)*sin($radians); + my $x = $x0 + $velx*$time; + my $y = $y0 + $vely*$time - 0.5*$gravity*$time**2; + + my $r = Qt::Rect(0, 0, 6, 6); + $r->moveCenter(Qt::Point(int($x), height() - 1 - int($y))); + return $r; +} + +sub sizePolicy { + Qt::SizePolicy(&Qt::SizePolicy::Expanding, &Qt::SizePolicy::Expanding); +} + +1; diff --git a/PerlQt/tutorials/t11/LCDRange.pm b/PerlQt/tutorials/t11/LCDRange.pm new file mode 100644 index 0000000..be0f8ec --- /dev/null +++ b/PerlQt/tutorials/t11/LCDRange.pm @@ -0,0 +1,43 @@ +package LCDRange; +use strict; +use Qt; +use Qt::isa qw(Qt::VBox); +use Qt::slots + setValue => ['int'], + setRange => ['int', 'int']; +use Qt::signals + valueChanged => ['int']; +use Qt::attributes qw( + slider +); + +sub NEW { + shift->SUPER::NEW(@_); + + my $lcd = Qt::LCDNumber(2, this, "lcd"); + + slider = Qt::Slider(&Horizontal, this, "slider"); + slider->setRange(0, 99); + slider->setValue(0); + $lcd->connect(slider, SIGNAL('valueChanged(int)'), SLOT('display(int)')); + this->connect(slider, SIGNAL('valueChanged(int)'), SIGNAL('valueChanged(int)')); + + setFocusProxy(slider); +} + +sub value { slider->value } + +sub setValue { slider->setValue(shift) } + +sub setRange { + my($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); +} + +1; diff --git a/PerlQt/tutorials/t11/t11.pl b/PerlQt/tutorials/t11/t11.pl new file mode 100644 index 0000000..84d762d --- /dev/null +++ b/PerlQt/tutorials/t11/t11.pl @@ -0,0 +1,71 @@ +#!/usr/bin/perl -w +use strict; +use blib; + +package MyWidget; +use strict; +use Qt; +use Qt::isa qw(Qt::Widget); + +use LCDRange; +use CannonField; + +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 $angle = LCDRange(this, "angle"); + $angle->setRange(5, 70); + + my $force = LCDRange(this, "force"); + $force->setRange(10, 50); + + my $cannonField = CannonField(this, "cannonField"); + + $cannonField->connect($angle, SIGNAL('valueChanged(int)'), SLOT('setAngle(int)')); + $angle->connect($cannonField, SIGNAL('angleChanged(int)'), SLOT('setValue(int)')); + + $cannonField->connect($force, SIGNAL('valueChanged(int)'), SLOT('setForce(int)')); + $force->connect($cannonField, SIGNAL('forceChanged(int)'), SLOT('setValue(int)')); + + my $shoot = Qt::PushButton('&Shoot', this, "shoot"); + $shoot->setFont(Qt::Font("Times", 18, &Qt::Font::Bold)); + + $cannonField->connect($shoot, SIGNAL('clicked()'), SLOT('shoot()')); + + my $grid = Qt::GridLayout(this, 2, 2, 10); + $grid->addWidget($quit, 0, 0); + $grid->addWidget($cannonField, 1, 1); + $grid->setColStretch(1, 10); + + my $leftBox = Qt::VBoxLayout; + $grid->addLayout($leftBox, 1, 0); + $leftBox->addWidget($angle); + $leftBox->addWidget($force); + + my $topBox = Qt::HBoxLayout; + $grid->addLayout($topBox, 0, 1); + $topBox->addWidget($shoot); + $topBox->addStretch(1); + + $angle->setValue(60); + $force->setValue(25); + $angle->setFocus(); +} + +package main; +use Qt; +use MyWidget; + +Qt::Application::setColorSpec(&Qt::Application::CustomColor); +my $a = Qt::Application(\@ARGV); + +my $w = MyWidget; +$w->setGeometry(100, 100, 500, 355); +$a->setMainWidget($w); +$w->show; +exit $a->exec; -- cgit v1.2.1