Removed deprecated functions.

common/lc_timelinewidget.cpp

@@ -212,7 +212,7 @@ void lcTimelineWidget::Update(bool Clear, bool UpdateItems)
 			QColor Color = palette().text().color();
 			if (Piece->IsHidden())
 				Color.setAlpha(128);
-			PieceItem->setTextColor(0, Color);
+			PieceItem->setForeground(0, Color);
 		}
 
 		PieceItem->setSelected(Piece->IsSelected());

qt/lc_qutils.h

@@ -28,7 +28,11 @@ public:
 	{
 		QFontMetrics FontMetrics(font());
 
+#if (QT_VERSION >= QT_VERSION_CHECK(5, 11, 0))
+		int Width = FontMetrics.horizontalAdvance(QLatin1Char('x')) * 10;
+#else
 		int Width = FontMetrics.width(QLatin1Char('x')) * 10;
+#endif
 
 		return QLineEdit::sizeHint() - QSize(Width, 0);
 	}