From: Juergen Spitzmueller <spitz@lyx.org>
Date: Thu, 27 Aug 2020 12:43:23 +0000 (+0200)
Subject: address deprecation warning
X-Git-Tag: lyx-2.4.0dev-acb2ca7b~273
X-Git-Url: https://git.lyx.org/gitweb/?a=commitdiff_plain;h=4fdcf0e9293c4fbf79ff2dc4279cdf7941783592;p=lyx.git

address deprecation warning
---

diff --git a/src/frontends/qt/qt_helpers.cpp b/src/frontends/qt/qt_helpers.cpp
index 2e5e7da9c5..fc1f961b5a 100644
--- a/src/frontends/qt/qt_helpers.cpp
+++ b/src/frontends/qt/qt_helpers.cpp
@@ -703,7 +703,11 @@ QString formatToolTip(QString text, int em)
 		text = Qt::convertFromPlainText(text, Qt::WhiteSpaceNormal);
 	// Compute desired width in pixels
 	QFont const font = QToolTip::font();
+#if (QT_VERSION >= QT_VERSION_CHECK(5, 11, 0))
+	int const px_width = em * QFontMetrics(font).horizontalAdvance("M");
+#else
 	int const px_width = em * QFontMetrics(font).width("M");
+#endif
 	// Determine the ideal width of the tooltip
 	QTextDocument td("");
 	td.setHtml(text);