diff options
Diffstat (limited to 'PerlQt/tutorials')
32 files changed, 2129 insertions, 0 deletions
diff --git a/PerlQt/tutorials/runall.pl b/PerlQt/tutorials/runall.pl new file mode 100644 index 0000000..d0363f1 --- /dev/null +++ b/PerlQt/tutorials/runall.pl @@ -0,0 +1,8 @@ +#!/usr/bin/perl -w +# Use the tutorials as a test suite +@tutorials = (sort(glob("t?")), sort(glob("t??"))); +for $tutorial (@tutorials) { + chdir($tutorial) || next; + system("$^X -w $tutorial.pl"); + chdir(".."); +} diff --git a/PerlQt/tutorials/t1/t1.pl b/PerlQt/tutorials/t1/t1.pl new file mode 100644 index 0000000..a1e2cd8 --- /dev/null +++ b/PerlQt/tutorials/t1/t1.pl @@ -0,0 +1,13 @@ +#!/usr/bin/perl -w +use strict; +use blib; +use Qt; + +my $a = Qt::Application(\@ARGV); + +my $hello = Qt::PushButton("Hello World!", undef); +$hello->resize(100, 30); + +$a->setMainWidget($hello); +$hello->show; +exit $a->exec; diff --git a/PerlQt/tutorials/t10/CannonField.pm b/PerlQt/tutorials/t10/CannonField.pm new file mode 100644 index 0000000..27bfcee --- /dev/null +++ b/PerlQt/tutorials/t10/CannonField.pm @@ -0,0 +1,76 @@ +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']; +use Qt::attributes qw( + ang + f +); +use POSIX qw(atan); + +sub angle () { ang } +sub force () { f } + +sub NEW { + shift->SUPER::NEW(@_); + + ang = 45; + 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 paintEvent { + my $e = shift; + return unless $e->rect->intersects(cannonRect()); + my $cr = cannonRect(); + my $pix = Qt::Pixmap($cr->size); + $pix->fill(this, $cr->topLeft); + + my $p = Qt::Painter($pix); + $p->setBrush(&blue); + $p->setPen(&NoPen); + $p->translate(0, $pix->height - 1); + $p->drawPie(Qt::Rect(-35, -35, 70, 70), 0, 90*16); + $p->rotate(- ang); + $p->drawRect(Qt::Rect(33, -4, 15, 8)); + $p->end; + + $p->begin(this); + $p->drawPixmap($cr->topLeft, $pix); +} + +sub cannonRect { + my $r = Qt::Rect(0, 0, 50, 50); + $r->moveBottomLeft(rect()->bottomLeft); + return $r; +} + +sub sizePolicy { + Qt::SizePolicy(&Qt::SizePolicy::Expanding, &Qt::SizePolicy::Expanding); +} + +1; diff --git a/PerlQt/tutorials/t10/LCDRange.pm b/PerlQt/tutorials/t10/LCDRange.pm new file mode 100644 index 0000000..be0f8ec --- /dev/null +++ b/PerlQt/tutorials/t10/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/t10/t10.pl b/PerlQt/tutorials/t10/t10.pl new file mode 100644 index 0000000..d9b825e --- /dev/null +++ b/PerlQt/tutorials/t10/t10.pl @@ -0,0 +1,61 @@ +#!/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 $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); + + $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; 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; diff --git a/PerlQt/tutorials/t12/CannonField.pm b/PerlQt/tutorials/t12/CannonField.pm new file mode 100644 index 0000000..df4eb96 --- /dev/null +++ b/PerlQt/tutorials/t12/CannonField.pm @@ -0,0 +1,177 @@ +package CannonField; +use strict; +use Qt; +use Qt::isa qw(Qt::Widget); +use Qt::signals + hit => [], + missed => [], + 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 + + target +); +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; + target = Qt::Point(0, 0); + setPalette(Qt::Palette(Qt::Color(250, 250, 200))); + newTarget(); +} + +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 newTarget { + my $r = Qt::Region(targetRect()); + target = Qt::Point(200 + int(rand(190)), + 10 + int(rand(255))); + repaint($r->unite(Qt::Region(targetRect()))); +} + +sub moveShot { + my $r = Qt::Region(shotRect()); + timerCount++; + + my $shotR = shotRect(); + + if($shotR->intersects(targetRect())) { + autoShootTimer->stop; + emit hit(); + } elsif($shotR->x > width() || $shotR->y > height()) { + autoShootTimer->stop; + emit missed(); + } 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 $updateR->intersects(shotRect()); + paintTarget($p) if $updateR->intersects(targetRect()); +} + +sub paintShot { + my $p = shift; + $p->setBrush(&black); + $p->setPen(&NoPen); + $p->drawRect(shotRect()); +} + +sub paintTarget { + my $p = shift; + $p->setBrush(&red); + $p->setPen(&black); + $p->drawRect(targetRect()); +} + +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 targetRect { + my $r = Qt::Rect(0, 0, 20, 10); + $r->moveCenter(Qt::Point(target->x, height() - 1 - target->y)); + return $r; +} + +sub sizePolicy { + Qt::SizePolicy(&Qt::SizePolicy::Expanding, &Qt::SizePolicy::Expanding); +} + +1; diff --git a/PerlQt/tutorials/t12/LCDRange.pm b/PerlQt/tutorials/t12/LCDRange.pm new file mode 100644 index 0000000..3562fee --- /dev/null +++ b/PerlQt/tutorials/t12/LCDRange.pm @@ -0,0 +1,62 @@ +package LCDRange; +use strict; +use Qt; +use Qt::isa qw(Qt::VBox); +use Qt::slots + setValue => ['int'], + setRange => ['int', 'int'], + setText => ['const char*']; +use Qt::signals + valueChanged => ['int']; +use Qt::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 = Qt::LCDNumber(2, this, "lcd"); + + slider = Qt::Slider(&Horizontal, this, "slider"); + slider->setRange(0, 99); + slider->setValue(0); + + label = Qt::Label(" ", this, "label"); + label->setAlignment(&AlignCenter); + + $lcd->connect(slider, SIGNAL('valueChanged(int)'), SLOT('display(int)')); + this->connect(slider, SIGNAL('valueChanged(int)'), SIGNAL('valueChanged(int)')); + + setFocusProxy(slider); +} + +sub value { slider->value } + +sub text { label->text } + +sub setValue { slider->setValue(shift) } + +sub setRange { + my($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; diff --git a/PerlQt/tutorials/t12/t12.pl b/PerlQt/tutorials/t12/t12.pl new file mode 100644 index 0000000..87c50be --- /dev/null +++ b/PerlQt/tutorials/t12/t12.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("ANGLE", this, "angle"); + $angle->setRange(5, 70); + + my $force = LCDRange("FORCE", 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; diff --git a/PerlQt/tutorials/t13/CannonField.pm b/PerlQt/tutorials/t13/CannonField.pm new file mode 100644 index 0000000..a1475e5 --- /dev/null +++ b/PerlQt/tutorials/t13/CannonField.pm @@ -0,0 +1,207 @@ +package CannonField; +use strict; +use Qt; +use Qt::isa qw(Qt::Widget); +use Qt::signals + hit => [], + missed => [], + angleChanged => ['int'], + forceChanged => ['int'], + canShoot => ['bool']; +use Qt::slots + setAngle => ['int'], + setForce => ['int'], + shoot => [], + moveShot => [], + newTarget => []; +use Qt::attributes qw( + ang + f + + timerCount + autoShootTimer + shoot_ang + shoot_f + + target + + gameEnded +); +use POSIX qw(atan); + +sub angle () { ang } +sub force () { f } +sub gameOver () { gameEnded } + +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; + target = Qt::Point(0, 0); + gameEnded = 0; + setPalette(Qt::Palette(Qt::Color(250, 250, 200))); + newTarget(); +} + +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 isShooting(); + timerCount = 0; + shoot_ang = ang; + shoot_f = f; + autoShootTimer->start(50); + emit canShoot(0); +} + +sub newTarget { + my $r = Qt::Region(targetRect()); + target = Qt::Point(200 + int(rand(190)), + 10 + int(rand(255))); + repaint($r->unite(Qt::Region(targetRect()))); +} + +sub setGameOver { + return if gameEnded; + autoShootTimer->stop if isShooting(); + gameEnded = 1; + repaint(); +} + +sub restartGame { + autoShootTimer->stop if isShooting(); + gameEnded = 0; + repaint(); + emit canShoot(1); +} + +sub moveShot { + my $r = Qt::Region(shotRect()); + timerCount++; + + my $shotR = shotRect(); + + if($shotR->intersects(targetRect())) { + autoShootTimer->stop; + emit hit(); + emit canShoot(1); + } elsif($shotR->x > width() || $shotR->y > height()) { + autoShootTimer->stop; + emit missed(); + emit canShoot(1); + } else { + $r = $r->unite(Qt::Region($shotR)); + } + repaint($r); +} + +sub paintEvent { + my $e = shift; + my $updateR = $e->rect; + my $p = Qt::Painter(this); + + if(gameEnded) { + $p->setPen(&black); + $p->setFont(Qt::Font("Courier", 48, &Qt::Font::Bold)); + $p->drawText(rect(), &AlignCenter, "Game Over"); + } + paintCannon($p) if $updateR->intersects(cannonRect()); + paintShot($p) if isShooting() and $updateR->intersects(shotRect()); + paintTarget($p) if !gameEnded and $updateR->intersects(targetRect()); +} + +sub paintShot { + my $p = shift; + $p->setBrush(&black); + $p->setPen(&NoPen); + $p->drawRect(shotRect()); +} + +sub paintTarget { + my $p = shift; + $p->setBrush(&red); + $p->setPen(&black); + $p->drawRect(targetRect()); +} + +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 targetRect { + my $r = Qt::Rect(0, 0, 20, 10); + $r->moveCenter(Qt::Point(target->x, height() - 1 - target->y)); + return $r; +} + +sub isShooting { autoShootTimer->isActive } + +sub sizePolicy { + Qt::SizePolicy(&Qt::SizePolicy::Expanding, &Qt::SizePolicy::Expanding); +} + +1; diff --git a/PerlQt/tutorials/t13/GameBoard.pm b/PerlQt/tutorials/t13/GameBoard.pm new file mode 100644 index 0000000..1c4ab71 --- /dev/null +++ b/PerlQt/tutorials/t13/GameBoard.pm @@ -0,0 +1,114 @@ +package GameBoard; +use strict; +use Qt; +use Qt::isa qw(Qt::Widget); +use Qt::slots + fire => [], + hit => [], + missed => [], + newGame => []; +use Qt::attributes qw( + hits + shotsLeft + cannonField +); + +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("ANGLE", this, "angle"); + $angle->setRange(5, 70); + + my $force = LCDRange("FORCE", this, "force"); + $force->setRange(10, 50); + + cannonField = CannonField(this, "cannonField"); + + cannonField->connect($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)')); + + this->connect(cannonField, SIGNAL('hit()'), SLOT('hit()')); + this->connect(cannonField, SIGNAL('missed()'), SLOT('missed()')); + + my $shoot = Qt::PushButton('&Shoot', this, "shoot"); + $shoot->setFont(Qt::Font("Times", 18, &Qt::Font::Bold)); + + this->connect($shoot, SIGNAL('clicked()'), SLOT('fire()')); + + $shoot->connect(cannonField, SIGNAL('canShoot(bool)'), SLOT('setEnabled(bool)')); + + my $restart = Qt::PushButton('&New Game', this, "newgame"); + $restart->setFont(Qt::Font("Times", 18, &Qt::Font::Bold)); + + this->connect($restart, SIGNAL('clicked()'), SLOT('newGame()')); + + hits = Qt::LCDNumber(2, this, "hits"); + shotsLeft = Qt::LCDNumber(2, this, "shotsleft"); + my $hitsL = Qt::Label("HITS", this, "hitsLabel"); + my $shotsLeftL = Qt::Label("SHOTS LEFT", this, "shotsLeftLabel"); + + 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->addWidget(hits); + $topBox->addWidget($hitsL); + $topBox->addWidget(shotsLeft); + $topBox->addWidget($shotsLeftL); + $topBox->addStretch(1); + $topBox->addWidget($restart); + + $angle->setValue(60); + $force->setValue(25); + $angle->setFocus(); + + newGame(); +} + +sub fire { + return if cannonField->gameOver or cannonField->isShooting; + shotsLeft->display(int(shotsLeft->intValue - 1)); + cannonField->shoot; +} + +sub hit { + hits->display(int(hits->intValue + 1)); + if(shotsLeft->intValue == 0) { + cannonField->setGameOver; + } else { + cannonField->newTarget; + } +} + +sub missed { + cannonField->setGameOver if shotsLeft->intValue == 0; +} + +sub newGame { + shotsLeft->display(int(15)); + hits->display(0); + cannonField->restartGame; + cannonField->newTarget; +} + +1; diff --git a/PerlQt/tutorials/t13/LCDRange.pm b/PerlQt/tutorials/t13/LCDRange.pm new file mode 100644 index 0000000..b08827e --- /dev/null +++ b/PerlQt/tutorials/t13/LCDRange.pm @@ -0,0 +1,67 @@ +package LCDRange; +use strict; +use Qt; +use Qt::isa qw(Qt::Widget); +use Qt::slots + setValue => ['int'], + setRange => ['int', 'int'], + setText => ['const char*']; +use Qt::signals + valueChanged => ['int']; +use Qt::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 = Qt::LCDNumber(2, this, "lcd"); + + slider = Qt::Slider(&Horizontal, this, "slider"); + slider->setRange(0, 99); + slider->setValue(0); + + label = Qt::Label(" ", this, "label"); + label->setAlignment(&AlignCenter); + + $lcd->connect(slider, SIGNAL('valueChanged(int)'), SLOT('display(int)')); + this->connect(slider, SIGNAL('valueChanged(int)'), SIGNAL('valueChanged(int)')); + + setFocusProxy(slider); + + my $l = Qt::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; diff --git a/PerlQt/tutorials/t13/t13.pl b/PerlQt/tutorials/t13/t13.pl new file mode 100644 index 0000000..b0f5c25 --- /dev/null +++ b/PerlQt/tutorials/t13/t13.pl @@ -0,0 +1,14 @@ +#!/usr/bin/perl -w +use strict; +use blib; +use Qt; +use GameBoard; + +Qt::Application::setColorSpec(&Qt::Application::CustomColor); +my $a = Qt::Application(\@ARGV); + +my $gb = GameBoard; +$gb->setGeometry(100, 100, 500, 355); +$a->setMainWidget($gb); +$gb->show; +exit $a->exec; diff --git a/PerlQt/tutorials/t14/CannonField.pm b/PerlQt/tutorials/t14/CannonField.pm new file mode 100644 index 0000000..05fdbce --- /dev/null +++ b/PerlQt/tutorials/t14/CannonField.pm @@ -0,0 +1,256 @@ +package CannonField; +use strict; +use Qt; +use Qt::isa qw(Qt::Widget); +use Qt::signals + hit => [], + missed => [], + angleChanged => ['int'], + forceChanged => ['int'], + canShoot => ['bool']; +use Qt::slots + setAngle => ['int'], + setForce => ['int'], + shoot => [], + moveShot => [], + newTarget => [], + setGameOver => [], + restartGame => []; +use Qt::attributes qw( + ang + f + + timerCount + autoShootTimer + shoot_ang + shoot_f + + target + + gameEnded + barrelPressed +); +use POSIX qw(atan); + +sub angle () { ang } +sub force () { f } +sub gameOver () { gameEnded } + +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; + target = Qt::Point(0, 0); + gameEnded = 0; + barrelPressed = 0; + setPalette(Qt::Palette(Qt::Color(250, 250, 200))); + newTarget(); +} + +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 isShooting(); + timerCount = 0; + shoot_ang = ang; + shoot_f = f; + autoShootTimer->start(50); + emit canShoot(0); +} + +sub newTarget { + my $r = Qt::Region(targetRect()); + target = Qt::Point(200 + int(rand(190)), + 10 + int(rand(255))); + repaint($r->unite(Qt::Region(targetRect()))); +} + +sub setGameOver { + return if gameEnded; + autoShootTimer->stop if isShooting(); + gameEnded = 1; + repaint(); +} + +sub restartGame { + autoShootTimer->stop if isShooting(); + gameEnded = 0; + repaint(); + emit canShoot(1); +} + +sub moveShot { + my $r = Qt::Region(shotRect()); + timerCount++; + + my $shotR = shotRect(); + + if($shotR->intersects(targetRect())) { + autoShootTimer->stop; + emit hit(); + emit canShoot(1); + } elsif($shotR->x > width() || $shotR->y > height() || + $shotR->intersects(barrierRect())) { + autoShootTimer->stop; + emit missed(); + emit canShoot(1); + } else { + $r = $r->unite(Qt::Region($shotR)); + } + repaint($r); +} + +sub mousePressEvent { + my $e = shift; + return if $e->button != &LeftButton; + barrelPressed = 1 if barrelHit($e->pos); +} + +sub mouseMoveEvent { + my $e = shift; + return unless barrelPressed; + my $pnt = $e->pos; + $pnt->setX(1) if $pnt->x <= 0; + $pnt->setY(height() - 1) if $pnt->y >= height(); + my $rad = atan((rect()->bottom - $pnt->y) / $pnt->x); + setAngle(int($rad*180/3.14159265)); +} + +sub mouseReleaseEvent { + my $e = shift; + barrelPressed = 0 if $e->button == &LeftButton; +} + +sub paintEvent { + my $e = shift; + my $updateR = $e->rect; + my $p = Qt::Painter(this); + + if(gameEnded) { + $p->setPen(&black); + $p->setFont(Qt::Font("Courier", 48, &Qt::Font::Bold)); + $p->drawText(rect(), &AlignCenter, "Game Over"); + } + paintCannon($p) if $updateR->intersects(cannonRect()); + paintBarrier($p) if $updateR->intersects(barrierRect()); + paintShot($p) if isShooting() and $updateR->intersects(shotRect()); + paintTarget($p) if !gameEnded and $updateR->intersects(targetRect()); +} + +sub paintShot { + my $p = shift; + $p->setBrush(&black); + $p->setPen(&NoPen); + $p->drawRect(shotRect()); +} + +sub paintTarget { + my $p = shift; + $p->setBrush(&red); + $p->setPen(&black); + $p->drawRect(targetRect()); +} + +sub paintBarrier { + my $p = shift; + $p->setBrush(&yellow); + $p->setPen(&black); + $p->drawRect(barrierRect()); +} + +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 targetRect { + my $r = Qt::Rect(0, 0, 20, 10); + $r->moveCenter(Qt::Point(target->x, height() - 1 - target->y)); + return $r; +} + +sub barrierRect { + return Qt::Rect(145, height() - 100, 15, 100); +} + +sub barrelHit { + my $p = shift; + my $mtx = Qt::WMatrix; + $mtx->translate(0, height() - 1); + $mtx->rotate(- ang); + $mtx = $mtx->invert; + return $barrelRect->contains($mtx->map($p)); +} + +sub isShooting { autoShootTimer->isActive } + +sub sizeHint { Qt::Size(400, 300) } + +sub sizePolicy { + Qt::SizePolicy(&Qt::SizePolicy::Expanding, &Qt::SizePolicy::Expanding); +} + +1; diff --git a/PerlQt/tutorials/t14/GameBoard.pm b/PerlQt/tutorials/t14/GameBoard.pm new file mode 100644 index 0000000..96f9cbb --- /dev/null +++ b/PerlQt/tutorials/t14/GameBoard.pm @@ -0,0 +1,125 @@ +package GameBoard; +use strict; +use Qt; +use Qt::isa qw(Qt::Widget); +use Qt::slots + fire => [], + hit => [], + missed => [], + newGame => []; +use Qt::attributes qw( + hits + shotsLeft + cannonField +); + +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("ANGLE", this, "angle"); + $angle->setRange(5, 70); + + my $force = LCDRange("FORCE", this, "force"); + $force->setRange(10, 50); + + my $box = Qt::VBox(this, "cannonFrame"); + $box->setFrameStyle($box->WinPanel | $box->Sunken); + + cannonField = CannonField($box, "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)')); + + this->connect(cannonField, SIGNAL('hit()'), SLOT('hit()')); + this->connect(cannonField, SIGNAL('missed()'), SLOT('missed()')); + + my $shoot = Qt::PushButton('&Shoot', this, "shoot"); + $shoot->setFont(Qt::Font("Times", 18, &Qt::Font::Bold)); + + this->connect($shoot, SIGNAL('clicked()'), SLOT('fire()')); + + $shoot->connect(cannonField, SIGNAL('canShoot(bool)'), SLOT('setEnabled(bool)')); + + my $restart = Qt::PushButton('&New Game', this, "newgame"); + $restart->setFont(Qt::Font("Times", 18, &Qt::Font::Bold)); + + this->connect($restart, SIGNAL('clicked()'), SLOT('newGame()')); + + hits = Qt::LCDNumber(2, this, "hits"); + shotsLeft = Qt::LCDNumber(2, this, "shotsleft"); + my $hitsL = Qt::Label("HITS", this, "hitsLabel"); + my $shotsLeftL = Qt::Label("SHOTS LEFT", this, "shotsLeftLabel"); + + my $accel = Qt::Accel(this); + $accel->connectItem($accel->insertItem(Qt::KeySequence(int &Key_Enter)), + this, SLOT('fire()')); + $accel->connectItem($accel->insertItem(Qt::KeySequence(int &Key_Return)), + this, SLOT('fire()')); + $accel->connectItem($accel->insertItem(Qt::KeySequence(int &CTRL+&Key_Q)), + Qt::app, SLOT('quit()')); + + my $grid = Qt::GridLayout(this, 2, 2, 10); + $grid->addWidget($quit, 0, 0); + $grid->addWidget($box, 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->addWidget(hits); + $topBox->addWidget($hitsL); + $topBox->addWidget(shotsLeft); + $topBox->addWidget($shotsLeftL); + $topBox->addStretch(1); + $topBox->addWidget($restart); + + $angle->setValue(60); + $force->setValue(25); + $angle->setFocus(); + + newGame(); +} + +sub fire { + return if cannonField->gameOver or cannonField->isShooting; + shotsLeft->display(int(shotsLeft->intValue - 1)); + cannonField->shoot; +} + +sub hit { + hits->display(int(hits->intValue + 1)); + if(shotsLeft->intValue == 0) { + cannonField->setGameOver; + } else { + cannonField->newTarget; + } +} + +sub missed { + cannonField->setGameOver if shotsLeft->intValue == 0; +} + +sub newGame { + shotsLeft->display(int(15)); + hits->display(0); + cannonField->restartGame; + cannonField->newTarget; +} + +1; diff --git a/PerlQt/tutorials/t14/LCDRange.pm b/PerlQt/tutorials/t14/LCDRange.pm new file mode 100644 index 0000000..b08827e --- /dev/null +++ b/PerlQt/tutorials/t14/LCDRange.pm @@ -0,0 +1,67 @@ +package LCDRange; +use strict; +use Qt; +use Qt::isa qw(Qt::Widget); +use Qt::slots + setValue => ['int'], + setRange => ['int', 'int'], + setText => ['const char*']; +use Qt::signals + valueChanged => ['int']; +use Qt::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 = Qt::LCDNumber(2, this, "lcd"); + + slider = Qt::Slider(&Horizontal, this, "slider"); + slider->setRange(0, 99); + slider->setValue(0); + + label = Qt::Label(" ", this, "label"); + label->setAlignment(&AlignCenter); + + $lcd->connect(slider, SIGNAL('valueChanged(int)'), SLOT('display(int)')); + this->connect(slider, SIGNAL('valueChanged(int)'), SIGNAL('valueChanged(int)')); + + setFocusProxy(slider); + + my $l = Qt::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; diff --git a/PerlQt/tutorials/t14/t14.pl b/PerlQt/tutorials/t14/t14.pl new file mode 100644 index 0000000..b0f5c25 --- /dev/null +++ b/PerlQt/tutorials/t14/t14.pl @@ -0,0 +1,14 @@ +#!/usr/bin/perl -w +use strict; +use blib; +use Qt; +use GameBoard; + +Qt::Application::setColorSpec(&Qt::Application::CustomColor); +my $a = Qt::Application(\@ARGV); + +my $gb = GameBoard; +$gb->setGeometry(100, 100, 500, 355); +$a->setMainWidget($gb); +$gb->show; +exit $a->exec; diff --git a/PerlQt/tutorials/t2/t2.pl b/PerlQt/tutorials/t2/t2.pl new file mode 100644 index 0000000..970ccb4 --- /dev/null +++ b/PerlQt/tutorials/t2/t2.pl @@ -0,0 +1,16 @@ +#!/usr/bin/perl -w +use strict; +use blib; +use Qt; + +my $a = Qt::Application(\@ARGV); + +my $quit = Qt::PushButton("Quit", undef); +$quit->resize(75, 30); +$quit->setFont(Qt::Font("Times", 18, &Qt::Font::Bold)); + +$a->connect($quit, SIGNAL('clicked()'), SLOT('quit()')); + +$a->setMainWidget($quit); +$quit->show; +exit $a->exec; diff --git a/PerlQt/tutorials/t3/t3.pl b/PerlQt/tutorials/t3/t3.pl new file mode 100644 index 0000000..bdd27fd --- /dev/null +++ b/PerlQt/tutorials/t3/t3.pl @@ -0,0 +1,19 @@ +#!/usr/bin/perl -w +use strict; +use blib; +use Qt; + +my $a = Qt::Application(\@ARGV); + +my $box = Qt::VBox; +$box->resize(200, 120); + +my $quit = Qt::PushButton("Quit", $box); +$quit->setFont(Qt::Font("Times", 18, &Qt::Font::Bold)); + +$a->connect($quit, SIGNAL('clicked()'), SLOT('quit()')); + +$a->setMainWidget($box); +$box->show; + +exit $a->exec; diff --git a/PerlQt/tutorials/t4/t4.pl b/PerlQt/tutorials/t4/t4.pl new file mode 100644 index 0000000..889a96a --- /dev/null +++ b/PerlQt/tutorials/t4/t4.pl @@ -0,0 +1,31 @@ +#!/usr/bin/perl -w +use strict; +use blib; + +package MyWidget; +use Qt; +use Qt::isa qw(Qt::Widget); + +sub NEW { + shift->SUPER::NEW(@_); + + setMinimumSize(200, 120); + setMaximumSize(200, 120); + + my $quit = Qt::PushButton("Quit", this, "quit"); + $quit->setGeometry(62, 40, 75, 30); + $quit->setFont(Qt::Font("Times", 18, &Qt::Font::Bold)); + + Qt::app->connect($quit, SIGNAL('clicked()'), SLOT('quit()')); +} + +package main; +use MyWidget; + +my $a = Qt::Application(\@ARGV); + +my $w = MyWidget; +$w->setGeometry(100, 100, 200, 120); +$a->setMainWidget($w); +$w->show; +exit $a->exec; diff --git a/PerlQt/tutorials/t5/t5.pl b/PerlQt/tutorials/t5/t5.pl new file mode 100644 index 0000000..d2dc201 --- /dev/null +++ b/PerlQt/tutorials/t5/t5.pl @@ -0,0 +1,34 @@ +#!/usr/bin/perl -w +use strict; +use blib; + +package MyWidget; +use Qt; +use Qt::isa qw(Qt::VBox); + +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 $lcd = Qt::LCDNumber(2, this, "lcd"); + + my $slider = Qt::Slider(&Horizontal, this, "slider"); + $slider->setRange(0, 99); + $slider->setValue(0); + + $lcd->connect($slider, SIGNAL('valueChanged(int)'), SLOT('display(int)')); +} + +package main; +use MyWidget; + +my $a = Qt::Application(\@ARGV); + +my $w = MyWidget; +$a->setMainWidget($w); +$w->show; +exit $a->exec; diff --git a/PerlQt/tutorials/t6/t6.pl b/PerlQt/tutorials/t6/t6.pl new file mode 100644 index 0000000..210626a --- /dev/null +++ b/PerlQt/tutorials/t6/t6.pl @@ -0,0 +1,49 @@ +#!/usr/bin/perl -w +use strict; +use blib; + +package LCDRange; +use Qt; +use Qt::isa qw(Qt::VBox); + +sub NEW { + shift->SUPER::NEW(@_); + + my $lcd = Qt::LCDNumber(2, this, "lcd"); + my $slider = Qt::Slider(&Horizontal, this, "slider"); + $slider->setRange(0, 99); + $slider->setValue(0); + $lcd->connect($slider, SIGNAL('valueChanged(int)'), SLOT('display(int)')); +} + +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 $grid = Qt::Grid(4, this); + + for(0..3) { + for(0..3) { + LCDRange($grid); + } + } +} + +package main; +use MyWidget; + +my $a = Qt::Application(\@ARGV); + +my $w = MyWidget; +$a->setMainWidget($w); +$w->show; +exit $a->exec; 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; diff --git a/PerlQt/tutorials/t8/CannonField.pm b/PerlQt/tutorials/t8/CannonField.pm new file mode 100644 index 0000000..28e4986 --- /dev/null +++ b/PerlQt/tutorials/t8/CannonField.pm @@ -0,0 +1,43 @@ +package CannonField; +use strict; +use Qt; +use Qt::isa qw(Qt::Widget); +use Qt::signals + angleChanged => ['int']; +use Qt::slots + setAngle => ['int']; +use Qt::attributes qw( + ang +); +use POSIX qw(atan); + +sub angle () { ang } + +sub NEW { + shift->SUPER::NEW(@_); + + ang = 45; + 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(); + emit angleChanged(ang); +} + +sub paintEvent { + my $s = "Angle = " . ang; + my $p = Qt::Painter(this); + $p->drawText(200, 200, $s); +} + +sub sizePolicy { + Qt::SizePolicy(&Qt::SizePolicy::Expanding, &Qt::SizePolicy::Expanding); +} + +1; diff --git a/PerlQt/tutorials/t8/LCDRange.pm b/PerlQt/tutorials/t8/LCDRange.pm new file mode 100644 index 0000000..be0f8ec --- /dev/null +++ b/PerlQt/tutorials/t8/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/t8/t8.pl b/PerlQt/tutorials/t8/t8.pl new file mode 100644 index 0000000..51967ca --- /dev/null +++ b/PerlQt/tutorials/t8/t8.pl @@ -0,0 +1,49 @@ +#!/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 $cannonField = CannonField(this, "cannonField"); + + $cannonField->connect($angle, SIGNAL('valueChanged(int)'), SLOT('setAngle(int)')); + $angle->connect($cannonField, SIGNAL('angleChanged(int)'), SLOT('setValue(int)')); + + my $grid = Qt::GridLayout(this, 2, 2, 10); + $grid->addWidget($quit, 0, 0); + $grid->addWidget($angle, 1, 0, &AlignTop); + $grid->addWidget($cannonField, 1, 1); + $grid->setColStretch(1, 10); + + $angle->setValue(60); + $angle->setFocus(); +} + +package main; +use Qt; +use MyWidget; + +my $a = Qt::Application(\@ARGV); + +my $w = MyWidget; +$w->setGeometry(100, 100, 500, 355); +$a->setMainWidget($w); +$w->show; +exit $a->exec; diff --git a/PerlQt/tutorials/t9/CannonField.pm b/PerlQt/tutorials/t9/CannonField.pm new file mode 100644 index 0000000..e12489a --- /dev/null +++ b/PerlQt/tutorials/t9/CannonField.pm @@ -0,0 +1,48 @@ +package CannonField; +use strict; +use Qt; +use Qt::isa qw(Qt::Widget); +use Qt::signals + angleChanged => ['int']; +use Qt::slots + setAngle => ['int']; +use Qt::attributes qw( + ang +); +use POSIX qw(atan); + +sub angle () { ang } + +sub NEW { + shift->SUPER::NEW(@_); + + ang = 45; + 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(); + emit angleChanged(ang); +} + +sub paintEvent { + my $p = Qt::Painter(this); + $p->setBrush(&blue); + $p->setPen(&NoPen); + + $p->translate(0, rect()->bottom); + $p->drawPie(Qt::Rect(-35, -35, 70, 70), 0, 90*16); + $p->rotate(- ang); + $p->drawRect(Qt::Rect(33, -4, 15, 8)); +} + +sub sizePolicy { + Qt::SizePolicy(&Qt::SizePolicy::Expanding, &Qt::SizePolicy::Expanding); +} + +1; diff --git a/PerlQt/tutorials/t9/LCDRange.pm b/PerlQt/tutorials/t9/LCDRange.pm new file mode 100644 index 0000000..be0f8ec --- /dev/null +++ b/PerlQt/tutorials/t9/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/t9/t9.pl b/PerlQt/tutorials/t9/t9.pl new file mode 100644 index 0000000..192041c --- /dev/null +++ b/PerlQt/tutorials/t9/t9.pl @@ -0,0 +1,50 @@ +#!/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 $cannonField = CannonField(this, "cannonField"); + + $cannonField->connect($angle, SIGNAL('valueChanged(int)'), SLOT('setAngle(int)')); + $angle->connect($cannonField, SIGNAL('angleChanged(int)'), SLOT('setValue(int)')); + + my $grid = Qt::GridLayout(this, 2, 2, 10); + $grid->addWidget($quit, 0, 0); + $grid->addWidget($angle, 1, 0, &AlignTop); + $grid->addWidget($cannonField, 1, 1); + $grid->setColStretch(1, 10); + + $angle->setValue(60); + $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; |