Commit 5f41df57 authored by Paul Tvete's avatar Paul Tvete
Browse files

Fix repaint logic 

Nowadays everything is buffered and composed, so we have to request that
the widget should be repainted later.
parent 10ff385c

t14/cannon.cpp

+7 −7
Original line number Original line Diff line number Diff line
@@ -39,7 +39,7 @@ void CannonField::setAngle( int degrees ) 
    if ( ang == degrees )

    if ( ang == degrees )

        return;

        return;

    ang = degrees;

    ang = degrees;

    repaint( cannonRect(), false );

    update( cannonRect() );

    emit angleChanged( ang );

    emit angleChanged( ang );

}

}
@@ -72,10 +72,10 @@ void CannonField::newTarget() 
        QTime midnight( 0, 0, 0 );

        QTime midnight( 0, 0, 0 );

        srand( midnight.secsTo(QTime::currentTime()) );

        srand( midnight.secsTo(QTime::currentTime()) );

    }

    }

    erase( targetRect() );

    update( targetRect() );

    target = QPoint( 200 + rand() % 190,

    target = QPoint( 200 + rand() % 190,

                     10  + rand() % 255 );

                     10  + rand() % 255 );

    repaint( targetRect() );

    update( targetRect() );

}

}





void CannonField::setGameOver()

void CannonField::setGameOver()
@@ -85,7 +85,7 @@ void CannonField::setGameOver() 
    if ( shooting )

    if ( shooting )

        stopShooting();

        stopShooting();

    gameEnded = true;

    gameEnded = true;

    repaint();

    update();

}

}





void CannonField::restartGame()

void CannonField::restartGame()
@@ -93,12 +93,12 @@ void CannonField::restartGame() 
    if ( shooting )

    if ( shooting )

        stopShooting();

        stopShooting();

    gameEnded = false;

    gameEnded = false;

    repaint();

    update();

}

}





void CannonField::timerEvent( QTimerEvent * )

void CannonField::timerEvent( QTimerEvent * )

{

{

    erase( shotRect() );

    update( shotRect() );

    timerCount++;

    timerCount++;





    QRect shotR = shotRect();

    QRect shotR = shotRect();
@@ -114,7 +114,7 @@ void CannonField::timerEvent( QTimerEvent * ) 
        emit missed();

        emit missed();

        return;

        return;

    }	

    }	

    repaint( shotR, false );

    update( shotR );

}

}





void CannonField::paintEvent( QPaintEvent *e )

void CannonField::paintEvent( QPaintEvent *e )