require 'Qt' require 'lcdrange.rb' require 'cannon.rb' class GameBoard < TQt::Widget slots 'fire()', 'hit()', 'missed()', 'newGame()' def initialize() super quit = TQt::PushButton.new('&Quit', self, 'quit') quit.setFont(TQt::Font.new('Times', 18, TQt::Font::Bold)) connect(quit, SIGNAL('clicked()'), $qApp, SLOT('quit()')) angle = LCDRange.new( 'ANGLE', self, 'angle' ) angle.setRange( 5, 70 ) force = LCDRange.new( 'FORCE', self, 'force' ) force.setRange( 10, 50 ) @cannonField = CannonField.new( self, 'cannonField' ) connect( angle, SIGNAL('valueChanged(int)'), @cannonField, SLOT('setAngle(int)') ) connect( @cannonField, SIGNAL('angleChanged(int)'), angle, SLOT('setValue(int)') ) connect( force, SIGNAL('valueChanged(int)'), @cannonField, SLOT('setForce(int)') ) connect( @cannonField, SIGNAL('forceChanged(int)'), force, SLOT('setValue(int)') ) connect( @cannonField, SIGNAL('hit()'), self, SLOT('hit()') ) connect( @cannonField, SIGNAL('missed()'), self, SLOT('missed()') ) shoot = TQt::PushButton.new( '&Shoot', self, 'shoot' ) shoot.setFont( TQt::Font.new( 'Times', 18, TQt::Font::Bold ) ) connect( shoot, SIGNAL('clicked()'), SLOT('fire()') ) connect( @cannonField, SIGNAL('canShoot(bool)'), shoot, SLOT('setEnabled(bool)') ) restart = TQt::PushButton.new( '&New Game', self, 'newgame' ) restart.setFont( TQt::Font.new( 'Times', 18, TQt::Font::Bold ) ) connect( restart, SIGNAL('clicked()'), self, SLOT('newGame()') ) @hits = TQt::LCDNumber.new( 2, self, 'hits' ) @shotsLeft = TQt::LCDNumber.new( 2, self, 'shotsleft' ) hitsL = TQt::Label.new( 'HITS', self, 'hitsLabel' ) shotsLeftL = TQt::Label.new( 'SHOTS LEFT', self, 'shotsleftLabel' ) grid = TQt::GridLayout.new( self, 2, 2, 10 ) grid.addWidget( quit, 0, 0 ) grid.addWidget( @cannonField, 1, 1 ) grid.setColStretch( 1, 10 ) leftBox = TQt::VBoxLayout.new() grid.addLayout( leftBox, 1, 0 ) leftBox.addWidget( angle ) leftBox.addWidget( force ) topBox = TQt::HBoxLayout.new() 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() end def fire() if @cannonField.gameOver() || @cannonField.isShooting() return end @shotsLeft.display( @shotsLeft.intValue() - 1 ) @cannonField.shoot() end def hit() @hits.display( @hits.intValue() + 1 ) if @shotsLeft.intValue() == 0 @cannonField.setGameOver() else @cannonField.newTarget() end end def missed() if @shotsLeft.intValue() == 0 @cannonField.setGameOver() end end def newGame() @shotsLeft.display( 15.0 ) @hits.display( 0 ) @cannonField.restartGame() @cannonField.newTarget() end end