From 5f41df571714fc2e43452b58f679fdc5012f6b29 Mon Sep 17 00:00:00 2001
From: Paul Olav Tvete <paul.tvete@qt.io>
Date: Tue, 22 May 2018 16:07:53 +0200
Subject: [PATCH] Fix repaint logic
Nowadays everything is buffered and composed, so we have to request that
the widget should be repainted later.
---
t14/cannon.cpp | 14 +++++++-------
1 file changed, 7 insertions(+), 7 deletions(-)
diff --git a/t14/cannon.cpp b/t14/cannon.cpp
index c0b5f42..68b9a95 100644
--- a/t14/cannon.cpp
+++ b/t14/cannon.cpp
@@ -39,7 +39,7 @@ void CannonField::setAngle( int degrees )
if ( ang == degrees )
return;
ang = degrees;
- repaint( cannonRect(), false );
+ update( cannonRect() );
emit angleChanged( ang );
}
@@ -72,10 +72,10 @@ void CannonField::newTarget()
QTime midnight( 0, 0, 0 );
srand( midnight.secsTo(QTime::currentTime()) );
}
- erase( targetRect() );
+ update( targetRect() );
target = QPoint( 200 + rand() % 190,
10 + rand() % 255 );
- repaint( targetRect() );
+ update( targetRect() );
}
void CannonField::setGameOver()
@@ -85,7 +85,7 @@ void CannonField::setGameOver()
if ( shooting )
stopShooting();
gameEnded = true;
- repaint();
+ update();
}
void CannonField::restartGame()
@@ -93,12 +93,12 @@ void CannonField::restartGame()
if ( shooting )
stopShooting();
gameEnded = false;
- repaint();
+ update();
}
void CannonField::timerEvent( QTimerEvent * )
{
- erase( shotRect() );
+ update( shotRect() );
timerCount++;
QRect shotR = shotRect();
@@ -114,7 +114,7 @@ void CannonField::timerEvent( QTimerEvent * )
emit missed();
return;
}
- repaint( shotR, false );
+ update( shotR );
}
void CannonField::paintEvent( QPaintEvent *e )
--
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