Replace QAccel with QShortcut

QShortcut is more powerful and easier to use.

t14/gamebrd.cpp

@@ -65,9 +65,10 @@ GameBoard::GameBoard(QWidget *parent)
     QLabel *hitsL      = new QLabel( "HITS", this );
     QLabel *shotsLeftL = new QLabel( "SHOTS LEFT", this );
 
-    QAccel *accel = new QAccel( this );
-    accel->connectItem( accel->insertItem( Qt::Key_Space), this, SLOT(fire()) );
-    accel->connectItem( accel->insertItem( Qt::Key_Q), qApp, SLOT(quit()) );
+    QShortcut *fireShortcut = new QShortcut(Qt::Key_Space, this);
+    connect(fireShortcut, SIGNAL(activated()), this, SLOT(fire()));
+    QShortcut *quitShortcut = new QShortcut(Qt::Key_Q, this);
+    connect(quitShortcut, SIGNAL(activated()), qApp, SLOT(quit()));
 
     quit->setGeometry( 10, 10, 75, 30 );
     angle->setGeometry( 10, quit->y() + quit->height() + 10, 75, 130 );