toplevel.cpp

Trolltech公司发布的图形界面操作系统。可在qt-embedded-2.3.10平台上编译为嵌入式图形界面操作系统。

    launchButtonText = tr("Select Key");
#endif

    view->showText( tr( "Press '%1'\nto start playing", "e.g. Select Key" ).
	arg(launchButtonText), yellow );

    setFocusPolicy( StrongFocus );
}

KAstTopLevel::~KAstTopLevel()
{
}

void KAstTopLevel::keyPressEvent( QKeyEvent *event )
{
    if ( event->isAutoRepeat() || !actions.contains( event->key() ) )
    {
	event->ignore();
        return;
    }

    havePress = TRUE;

    Action a = actions[ event->key() ];

    switch ( a )
    {
        case RotateLeft:
            view->rotateLeft( TRUE );
            break;

        case RotateRight:
            view->rotateRight( TRUE );
            break;

        case Thrust:
            view->thrust( TRUE );
            break;

        case Shoot:
            view->shoot( TRUE );
            break;

        case Shield:
            view->setShield( TRUE );
            break;

        case Teleport:
            view->teleport( TRUE );
            break;

        case Brake:
            view->brake( TRUE );
            break;

        default:
	    event->ignore();
            return;
    }
    event->accept();
}

void KAstTopLevel::keyReleaseEvent( QKeyEvent *event )
{
    if ( event->isAutoRepeat() || !actions.contains( event->key() ) )
    {
        event->ignore();
        return;
    }

    Action a = actions[ event->key() ];

    switch ( a )
    {
        case RotateLeft:
            view->rotateLeft( FALSE );
            break;

        case RotateRight:
            view->rotateRight( FALSE );
            break;

        case Thrust:
            view->thrust( FALSE );
            break;

        case Brake:
            view->brake( FALSE );
            break;

        case Shield:
            view->setShield( FALSE );
            break;

        case Teleport:
            view->teleport( FALSE );
            break;

        case Shoot:
#ifndef QTOPIA_PHONE
            view->shoot( FALSE );
            break;
#else
	    if ( !view->gameOver() && !waitShip ) {
		view->shoot(FALSE);
		break;
	    }
	    // rollover intended
#endif
        case Launch:
	    if ( havePress && view->gameOver() ) {
		slotNewGame();
	    } else if ( havePress && waitShip ) {
                view->newShip();
                waitShip = FALSE;
                view->hideText();
#ifdef QTOPIA_PHONE
		ContextBar::setLabel(this, Key_Select, "qasteroids/powerups/shoot", tr("Shoot") );
		updateContext1();
#endif
            } else {
                event->ignore();
		havePress = FALSE;
                return;
            }
            break;
	
	case NewGame:
	    slotNewGame();
	    break;
/*
        case Pause:
            {
                view->pause( TRUE );
                QMessageBox::information( this,
                                          tr("KAsteroids is paused"),
                                          tr("Paused") );
                view->pause( FALSE );
            }
            break;
*/
        default:
            event->ignore();
	    havePress = FALSE;
            return;
    }

    havePress = FALSE;
    event->accept();
}

void KAstTopLevel::showEvent( QShowEvent *e )
{
    QMainWindow::showEvent( e );
    view->pause( FALSE );
    setFocus();
}

void KAstTopLevel::hideEvent( QHideEvent *e )
{
    QMainWindow::hideEvent( e );
    view->pause( TRUE );
}

void KAstTopLevel::focusInEvent( QFocusEvent * )
{
    view->pause( FALSE );
    setFocus();
}

void KAstTopLevel::focusOutEvent( QFocusEvent * )
{
    view->pause( TRUE );
}

void KAstTopLevel::slotNewGame()
{
#ifdef QTOPIA_PHONE
    delete contextMenu;
    contextMenu = 0;
    ContextBar::setLabel(this, Key_Select, "qasteroids/powerups/shoot", tr("Shoot") );
#endif
    shipsRemain = 3;
    score = 0;
    scoreLCD->display( 0 );
    level = 0;
    levelLCD->display( level+1 );
    shipsLCD->display( shipsRemain );
    view->newGame();
    view->setRockSpeed( levels[0].rockSpeed );
    view->addRocks( levels[0].nrocks );
    view->newShip();
    waitShip = FALSE;
    view->hideText();
    isPaused = FALSE;
}

void KAstTopLevel::slotMissileFired()
{
    missileFired.play();
}

void KAstTopLevel::slotShipKilled()
{
    shipsRemain--;
    shipsLCD->display( shipsRemain );

    shipDestroyed.play();

    if ( shipsRemain > 0 )
    {
        waitShip = TRUE;
        view->showText( tr( "Ship Destroyed\nPress '%1'", "e.g. Select Key").arg(launchButtonText), yellow );
    }
    else
    {
        view->endGame();
	doStats();
    }
#ifdef QTOPIA_PHONE
    ContextBar::setLabel(this, Key_Select, "qasteroids/ship/ship0000", tr("Launch"));
    ContextBar::clearLabel(this, Key_Context1);
    if (!contextMenu)
	contextMenu = new ContextMenu( this );
#endif
}

void KAstTopLevel::slotRockHit( int size )
{
    switch ( size )
    {
	case 0:
	    score += 10;
	     break;

	case 1:
	    score += 20;
	    break;

	default:
	    score += 40;
      }

    rockDestroyed.play();

    scoreLCD->display( score );
}

void KAstTopLevel::slotRocksRemoved()
{
    level++;

    if ( level >= MAX_LEVELS )
	level = MAX_LEVELS - 1;

    view->setRockSpeed( levels[level-1].rockSpeed );
    view->addRocks( levels[level-1].nrocks );

    levelLCD->display( level+1 );
}

void KAstTopLevel::doStats()
{
    QString r( "0.00" );
    if ( view->shots() )
	 r = QString::number( (double)view->hits() / view->shots() * 100.0,
			     'g', 2 );

    view->showText( tr( "GAME OVER\nPress '%1'\nfor a new game.", "%1 = e.g. Select Key" ).arg(launchButtonText), yellow, FALSE );
}

void KAstTopLevel::slotUpdateVitals()
{
    brakesLCD->display( view->brakeCount() );
    shieldLCD->display( view->shieldCount() );
    shootLCD->display( view->shootCount() );
//    teleportsLCD->display( view->teleportCount() );
    powerMeter->setValue( view->power() );
    
#ifdef QTOPIA_PHONE
    updateContext1();
#endif
}

#ifdef QTOPIA_PHONE
void KAstTopLevel::updateContext1()
{
    static int lastLabel = -1;

    int label = view->shieldCount() && view->power() ? 1 : 0;

    if (label != lastLabel) {
	if (label) {
	    if(contextMenu) {
		delete contextMenu;
		contextMenu = 0;
	    }
	    ContextBar::setLabel(this, Key_Context1, "qasteroids/powerups/shield", tr("Shield"));
	} else {
	    ContextBar::clearLabel(this, Key_Context1);
	    if(waitShip) {
		if(!contextMenu)
		    contextMenu = new ContextMenu(this);
	    } else {
		if(contextMenu) {
		    delete contextMenu;
		    contextMenu = 0;
		}
	    }
	}
	lastLabel = label;
    }
}
#endif