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-rw-r--r--PerlQt/tutorials/t14/GameBoard.pm125
1 files changed, 125 insertions, 0 deletions
diff --git a/PerlQt/tutorials/t14/GameBoard.pm b/PerlQt/tutorials/t14/GameBoard.pm
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+++ 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;