From b2af005db21bd8fd068cb79b2ae700953128af2c Mon Sep 17 00:00:00 2001 From: Timothy Pearson Date: Sun, 1 Jan 2012 18:29:30 -0600 Subject: Move PerlQt --- PerlTQt/tutorials/t11/CannonField.pm | 146 +++++++++++++++++++++++++++++++++++ PerlTQt/tutorials/t11/LCDRange.pm | 43 +++++++++++ PerlTQt/tutorials/t11/t11.pl | 71 +++++++++++++++++ 3 files changed, 260 insertions(+) create mode 100644 PerlTQt/tutorials/t11/CannonField.pm create mode 100644 PerlTQt/tutorials/t11/LCDRange.pm create mode 100644 PerlTQt/tutorials/t11/t11.pl (limited to 'PerlTQt/tutorials/t11') diff --git a/PerlTQt/tutorials/t11/CannonField.pm b/PerlTQt/tutorials/t11/CannonField.pm new file mode 100644 index 0000000..0806f66 --- /dev/null +++ b/PerlTQt/tutorials/t11/CannonField.pm @@ -0,0 +1,146 @@ +package CannonField; +use strict; +use TQt; +use TQt::isa qw(TQt::Widget); +use TQt::signals + angleChanged => ['int'], + forceChanged => ['int']; +use TQt::slots + setAngle => ['int'], + setForce => ['int'], + shoot => [], + moveShot => []; +use TQt::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 = TQt::Timer(this, "movement handler"); + this->connect(autoShootTimer, TQT_SIGNAL('timeout()'), TQT_SLOT('moveShot()')); + shoot_ang = 0; + shoot_f = 0; + setPalette(TQt::Palette(TQt::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 = TQt::Region(shotRect()); + timerCount++; + + my $shotR = shotRect(); + + if($shotR->x > width() || $shotR->y > height()) { + autoShootTimer->stop; + } else { + $r = $r->unite(TQt::Region($shotR)); + } + repaint($r); +} + +sub paintEvent { + my $e = shift; + my $updateR = $e->rect; + my $p = TQt::Painter(this); + + paintCannon($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 = TQt::Rect(33, -4, 15, 8); + +sub paintCannon { + my $p = shift; + my $cr = cannonRect(); + my $pix = TQt::Pixmap($cr->size); + $pix->fill(this, $cr->topLeft); + + my $tmp = TQt::Painter($pix); + $tmp->setBrush(&blue); + $tmp->setPen(&NoPen); + + $tmp->translate(0, $pix->height - 1); + $tmp->drawPie(TQt::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 = TQt::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 = TQt::Rect(0, 0, 6, 6); + $r->moveCenter(TQt::Point(int($x), height() - 1 - int($y))); + return $r; +} + +sub sizePolicy { + TQt::SizePolicy(&TQt::SizePolicy::Expanding, &TQt::SizePolicy::Expanding); +} + +1; diff --git a/PerlTQt/tutorials/t11/LCDRange.pm b/PerlTQt/tutorials/t11/LCDRange.pm new file mode 100644 index 0000000..ab63af0 --- /dev/null +++ b/PerlTQt/tutorials/t11/LCDRange.pm @@ -0,0 +1,43 @@ +package LCDRange; +use strict; +use TQt; +use TQt::isa qw(TQt::VBox); +use TQt::slots + setValue => ['int'], + setRange => ['int', 'int']; +use TQt::signals + valueChanged => ['int']; +use TQt::attributes qw( + slider +); + +sub NEW { + shift->SUPER::NEW(@_); + + my $lcd = TQt::LCDNumber(2, this, "lcd"); + + slider = TQt::Slider(&Horizontal, this, "slider"); + slider->setRange(0, 99); + slider->setValue(0); + $lcd->connect(slider, TQT_SIGNAL('valueChanged(int)'), TQT_SLOT('display(int)')); + this->connect(slider, TQT_SIGNAL('valueChanged(int)'), TQT_SIGNAL('valueChanged(int)')); + + setFocusProxy(slider); +} + +sub value { slider->value } + +sub setValue { slider->setValue(shift) } + +sub setRange { + my($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/PerlTQt/tutorials/t11/t11.pl b/PerlTQt/tutorials/t11/t11.pl new file mode 100644 index 0000000..d493b1e --- /dev/null +++ b/PerlTQt/tutorials/t11/t11.pl @@ -0,0 +1,71 @@ +#!/usr/bin/perl -w +use strict; +use blib; + +package MyWidget; +use strict; +use TQt; +use TQt::isa qw(TQt::Widget); + +use LCDRange; +use CannonField; + +sub NEW { + shift->SUPER::NEW(@_); + + my $quit = TQt::PushButton("&Quit", this, "quit"); + $quit->setFont(TQt::Font("Times", 18, &TQt::Font::Bold)); + + TQt::app->connect($quit, TQT_SIGNAL('clicked()'), TQT_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, TQT_SIGNAL('valueChanged(int)'), TQT_SLOT('setAngle(int)')); + $angle->connect($cannonField, TQT_SIGNAL('angleChanged(int)'), TQT_SLOT('setValue(int)')); + + $cannonField->connect($force, TQT_SIGNAL('valueChanged(int)'), TQT_SLOT('setForce(int)')); + $force->connect($cannonField, TQT_SIGNAL('forceChanged(int)'), TQT_SLOT('setValue(int)')); + + my $shoot = TQt::PushButton('&Shoot', this, "shoot"); + $shoot->setFont(TQt::Font("Times", 18, &TQt::Font::Bold)); + + $cannonField->connect($shoot, TQT_SIGNAL('clicked()'), TQT_SLOT('shoot()')); + + my $grid = TQt::GridLayout(this, 2, 2, 10); + $grid->addWidget($quit, 0, 0); + $grid->addWidget($cannonField, 1, 1); + $grid->setColStretch(1, 10); + + my $leftBox = TQt::VBoxLayout; + $grid->addLayout($leftBox, 1, 0); + $leftBox->addWidget($angle); + $leftBox->addWidget($force); + + my $topBox = TQt::HBoxLayout; + $grid->addLayout($topBox, 0, 1); + $topBox->addWidget($shoot); + $topBox->addStretch(1); + + $angle->setValue(60); + $force->setValue(25); + $angle->setFocus(); +} + +package main; +use TQt; +use MyWidget; + +TQt::Application::setColorSpec(&TQt::Application::CustomColor); +my $a = TQt::Application(\@ARGV); + +my $w = MyWidget; +$w->setGeometry(100, 100, 500, 355); +$a->setMainWidget($w); +$w->show; +exit $a->exec; -- cgit v1.2.1